PMID- 27863337 TI - Lead accumulation and metallothionein content in female rats of different ages and generations after daily intake of Pb-contaminated food. AB - Female Wistar rats of different ages (45, 90 and 140 days) and generations (mothers and offspring) were fed a feed containing 2.0mg of Pb kg-1 daily from weaning and the Pb accumulation was determined in different organs and in maternal milk, in addition metallothioneins (MTs) content was determined in the liver and kidneys. The results showed that Pb accumulation exhibited the following pattern: bone>liver>kidney>gut>blood cells>muscle>brain>ovary. Bones accumulated the most Pb in all animals, with its concentration increasing with age and prenatal exposure. Pb accumulation in the liver, kidney and blood cells, did not follow a consistent pattern with increasing age and our data did not indicate a relationship between the presence of MTs in liver and kidney and metal accumulation in these organs. However, in the offspring and with increasing age, Pb accumulated in more organs. Mothers fed with Pb produced contaminated milk, exposing their offspring to the metal via nursing Thus, increasing age and prenatal exposure increases susceptibility to Pb toxicity-induced damage. PMID- 27863336 TI - A potentially protective role of IL-18 Binding Protein in HIV-infected Long-Term Non-Progressors. AB - An imbalance between IL-18 and its antagonist, IL-18 Binding Protein, occurs in the circulation of HIV-infected individuals. We show here for the first time that HIV-infected Long Term Non-Progressors (LTNPs) do not develop this imbalance, and maintain normal levels of IL-18BP in the circulation. Their circulating levels of the antagonist correlate negatively with viral loads and show a positive trend with CD4+ T cells counts. The maintenance of normal production of IL-18BP may contribute, at least in part, to the ability of LTNPs to delay AIDS progression. PMID- 27863338 TI - Improved building up a model of toxicity towards Pimephales promelas by the Monte Carlo method. AB - By optimization of so-called correlation weights of attributes of simplified molecular input-line entry system (SMILES) quantitative structure - activity relationships (QSAR) for toxicity towards Pimephales promelas are established. A new SMILES attribute has been utilized in this work. This attribute is a molecular descriptor, which reflects (i) presence of different kinds of bonds (double, triple, and stereo chemical bonds); (ii) presence of nitrogen, oxygen, sulphur, and phosphorus atoms; and (iii) presence of fluorine, chlorine, bromine, and iodine atoms. The statistical characteristics of the best model are the following: n=226, r2=0.7630, RMSE=0.654 (training set); n=114, r2=0.7024, RMSE=0.766 (calibration set); n=226, r2=0.6292, RMSE=0.870 (validation set). A new criterion to select a preferable split into the training and validation sets are suggested and discussed. PMID- 27863339 TI - Classifying injury narratives of large administrative databases for surveillance A practical approach combining machine learning ensembles and human review. AB - Injury narratives are now available real time and include useful information for injury surveillance and prevention. However, manual classification of the cause or events leading to injury found in large batches of narratives, such as workers compensation claims databases, can be prohibitive. In this study we compare the utility of four machine learning algorithms (Naive Bayes, Single word and Bi-gram models, Support Vector Machine and Logistic Regression) for classifying narratives into Bureau of Labor Statistics Occupational Injury and Illness event leading to injury classifications for a large workers compensation database. These algorithms are known to do well classifying narrative text and are fairly easy to implement with off-the-shelf software packages such as Python. We propose human-machine learning ensemble approaches which maximize the power and accuracy of the algorithms for machine-assigned codes and allow for strategic filtering of rare, emerging or ambiguous narratives for manual review. We compare human machine approaches based on filtering on the prediction strength of the classifier vs. agreement between algorithms. Regularized Logistic Regression (LR) was the best performing algorithm alone. Using this algorithm and filtering out the bottom 30% of predictions for manual review resulted in high accuracy (overall sensitivity/positive predictive value of 0.89) of the final machine human coded dataset. The best pairings of algorithms included Naive Bayes with Support Vector Machine whereby the triple ensemble NBSW=NBBI-GRAM=SVM had very high performance (0.93 overall sensitivity/positive predictive value and high accuracy (i.e. high sensitivity and positive predictive values)) across both large and small categories leaving 41% of the narratives for manual review. Integrating LR into this ensemble mix improved performance only slightly. For large administrative datasets we propose incorporation of methods based on human machine pairings such as we have done here, utilizing readily-available off-the shelf machine learning techniques and resulting in only a fraction of narratives that require manual review. Human-machine ensemble methods are likely to improve performance over total manual coding. PMID- 27863340 TI - Solder joint failure localization of welded joint based on acoustic emission beamforming. AB - A localization approach of welded joint damage is proposed based on acoustic emission (AE) beamforming. In this method, a uniform line array is introduced to detect the AE signal of welded joints in specified area. In order to investigate the influence of fillet and crimping commonly existing in a welded plate structure during the AE wave propagation process, the finite element method (FEM) is applied to simulate the behavior of AE wave in the specimen. The simulation localization results indicate that the proposed localization approach can effectively localize AE sources although there exist the fillet and crimping, and it is also validated by the pencil-lead-broken test on rectangular steel tube with welded joints. Finally, the proposed method is adopted to localize the failure of solder joint in operation vibration condition. The proposed method is successful to localize the compact AE source caused by the cracked joint based on wavelet packet transform. PMID- 27863341 TI - Physical constraints on the non-dimensional absorption coefficients of compressional and shear waves for viscoelastic cylinders. AB - BACKGROUND: Normalized absorption coefficients for the longitudinal and shear waves in viscoelastic (polymer-type) materials, extracted from non-fictional experimental data showed anomalous effects, such as the generation of a negative radiation force (NRF) in plane progressive waves, negative energy absorption and extinction efficiencies and a scattering enhancement, not in agreement with energy conservation. OBJECTIVE: The objective of this work is directed towards analyzing those anomalies from the standpoint of energy conservation. Physical conditions which demonstrate that the ratio of the normalized absorption coefficients cannot be of arbitrary value but depends on the ratio of the square of the compressional and shear wave speeds, are established and discussed. METHOD: The necessary physical condition for the validity of the linear viscoelastic (VE) model for any passive (i.e. that does not generate energy) polymeric cylinder with an ultrasonic absorption of hysteresis-type submerged in a non-viscous fluid requires that the absorption efficiency be positive (Qabs>0) since there are no active radiating sources inside the core material. This condition imposes restrictions on the values attributed to the normalized absorption coefficients for the compressional and shear-wave wavenumbers for each partial-wave mode n. The forbidden values produce anomalous/unphysical NRF, negative absorption and extinction efficiencies, as well as an enhancement of the scattering efficiency using plane progressive waves, not in agreement with energy conservation. RESULTS: Based on the partial wave series expansion method in cylindrical coordinates, numerical results for the radiation force, extinction, absorption and scattering energy efficiencies assuming plane progressive wave incidence are performed for three VE polymer cylinders immersed in a non-viscous host liquid (i.e. water) with particular emphasis on the shear-wave absorption coefficient, the dimensionless size parameter ka (where k is the wavenumber and a is the radius of the cylinder) and the partial-wave mode number n. Physical and mathematical conditions are established for the non-dimensional absorption coefficients of the longitudinal and shear waves for a cylinder (i.e. the 2D case) in terms of the sound velocities in the VE material. The physical condition for the spherical 3D case is also noted. CONCLUSION: For passive materials, the physical conditions must be always satisfied to allow accurate computations of the acoustic radiation force, torque, and energy absorption, extinction and scattering efficiencies for VE cylinders having a hysteresis type of absorption (such as polymers and plastics), and submerged in a non-viscous fluid. The physical conditions must be always satisfied regardless of the shape of the incident field. They also serve to validate and verify experimental data for VE materials and test the accuracy of related numerical computations. PMID- 27863342 TI - A case report describing diverticulosis of the appendix presenting as acute appendicitis. AB - INTRODUCTION: Diverticulosis of the appendix (DA) is a rare clinical finding which is often confused with acute or chronic appendicitis and is usually only identified during or after appendectomy. The symptoms of DA can last for up to two weeks and laboratory studies tend to reflect a more chronic inflammation. Distinguishing the two entities is important as DA has a higher risk for perforation and may be associated with an underlying malignancy. PRESENTATION OF CASE: A 54--year old African--American male presented with three--days of right sided abdominal pain, nausea, and vomiting. Physical exam and abdominal CT imaging were concerning for early acute appendicitis. The patient was taken emergently to the operating room for laparoscopic appendectomy. Extensive adhesions were found around the Appendix which was grossly abnormal with multiple diverticula. The patient had an uneventful recovery. DISCUSSION: Patients with DA are often misdiagnosed with chronic or acute appendicitis based on their presenting symptoms and imaging. While appendectomy is the definitive treatment, diagnosing DA before surgery is important in determining the patient's risks and potential complications. CONCLUSION: Diverticulosis of the Appendix is a rare clinical entity which is often misdiagnosed. Better imaging techniques and higher indices of clinical suspicion are needed to make the appropriate diagnoses before patients are taken for surgery. PMID- 27863343 TI - Acrometastasis following colorectal cancer: A case report and review of literature. AB - INTRODUCTION: Colorectal cancer commonly metastasises to the liver, peritoneum and lungs. Bony metastases are uncommon in colorectal cancer and in particular metastases to the hands or feet (acrometastasis) are an extremely rare occurrence. CASE PRESENTATION: A 65-year-old male with a colonic malignancy underwent elective anterior resection. Intra-operatively he was found to have a pelvic collection necessitating an end colostomy. Histology confirmed complete Dukes B tumour excision with no evidence of lymph node metastases. The patient underwent chemo-radiotherapy but was unsuitable for reversal of Hartmann's due to elevated CEA levels and asymmetrical thickening of the rectal stump with a solitary lung nodule identified at a one-year surveillance CT. The lung nodule was resected revealing metastatic adenocarcinoma and biopsies from the rectal stump showed chronic inflammatory changes. The patient was offered further chemotherapy. However, six years after his original surgery the patient presented with an acutely painful left foot with radiographic appearances of an infiltrative sclerotic and lucent lesion confirmed as a calcaneal acrometastasis on Magnetic Resonance Imaging (MRI). DISCUSSION: Diagnosis of acrometastasis is challenging and generally constitutes a wider metastatic process with poor prognosis. Patients are often asymptomatic or present with symptoms mimicking benign lesions such as arthritis, infection or ligamentous sprains of the hands or feet. Therefore, there should be a high index of suspicion and prompt radiological investigation is warranted in order to exclude disease recurrence. CONCLUSION: Although acrometastasis may indicate a poor prognosis, timely diagnosis and intervention may facilitate improvement of long-term survival and symptomatic management. PMID- 27863344 TI - Selection criteria limit generalizability of smoking pharmacotherapy studies differentially across clinical trials and laboratory studies: A systematic review on varenicline. AB - BACKGROUND: The selection criteria used in clinical trials for smoking cessation and in laboratory studies that seek to understand mechanisms responsible for treatment outcomes may limit their generalizability to one another and to the general population. METHODS: We reviewed studies on varenicline versus placebo and compared eligibility criteria and participant characteristics of clinical trials (N=23) and laboratory studies (N=22) across study type and to nationally representative survey data on adult, daily USA smokers (2014 National Health Interview Survey; 2014 National Survey on Drug Use and Health). RESULTS: Relative to laboratory studies, clinical trials more commonly reported excluding smokers who were unmotivated to quit and for specific medical conditions (e.g., cardiovascular disease, COPD), although both study types frequently reported excluding for general medical or psychiatric reasons. Laboratory versus clinical samples smoked less, had lower nicotine dependence, were younger, and more homogeneous with respect to smoking level and nicotine dependence. Application of common eligibility criteria to national survey data resulted in considerable elimination of the daily-smoking population for both clinical trials (>=47%) and laboratory studies (>=39%). Relative to the target population, studies in this review recruited participants who smoked considerably more and had a later smoking onset age, and were under-representative of Caucasians. CONCLUSIONS: Results suggest that selection criteria of varenicline studies limit generalizability in meaningful ways, and differences in criteria across study type may undermine efforts at translational research. Recommendations for improvements in participant selection and reporting standards are discussed. PMID- 27863345 TI - Suppression of TNF-alpha and free radicals reduces systematic inflammatory and metabolic disorders: Radioprotective effects of ginseng oligopeptides on intestinal barrier function and antioxidant defense. AB - Irradiation therapy is markedly associated with intestinal injure and oxidant stress. This study aimed to investigate the effects of ginseng (Panax ginseng C.A. Mey.) oligopeptides (GOP) on irradiation-induced intestinal injury and antioxidant defense in mice. BALB/c mice (8 weeks old) were randomly divided into six groups: vehicle control, irradiation control (IR), IR+whey protein [0.30 g/kg body weight (BW)], IR+GOP 0.15 g/kg BW, IR+GOP 0.30 g/kg BW and IR+GOP 0.60 g/kg BW. Postirradiation 30-day survival trial, white blood cells count and bone marrow hematopoietic system damage were performed to identify the injury degree induced by irradiation. Then, histopathology analysis was observed and intestinal permeability in vivo was quantified with fluorescein isothiocyanate-dextran. The enzyme-linked immunosorbent assay was used to determine antioxidant ability, plasma inflammatory cytokines, diamine oxidase (DAO) and endotoxin (LPS) levels. The immunohistochemistry assay was used to analyze the expression levels of tight junction proteins. We found that GOP-treated mice exhibited lower concentrations of plasma LPS and DAO and decreased instructors of inflammatory and oxidative stress which were linked to the lower intestinal permeability and higher tight junction proteins expression. The blockage of GOP was linked with the reduction of TNF-alpha and free radicals. The 15-day pretreatment of GOP could exhibit radioprotective effects, and another 15-day posttreatment benefited the quick repair of irradiation-induced injury. We confirm that GOP would exhibit effective therapeutic value on attenuating irradiation-induced hematopoietic, gastrointestinal and oxidative injury in cancer patients. PMID- 27863346 TI - A diet-induced Sprague-Dawley rat model of nonalcoholic steatohepatitis-related cirrhosis. AB - Certain modified diets containing saturated fatty acids, cholesterol or fructose lead to the development of nonalcoholic steatohepatitis (NASH)-related fibrosis in rodents; however, progression to cirrhosis is rare. Experimental liver cirrhosis models have relied on genetic manipulation or administration of hepatotoxins. This study aimed to establish a reliable dietary model of NASH related cirrhosis in a relatively short period. Male Sprague-Dawley rats (9 weeks of age) were randomly assigned to normal, high-fat (HF), or two types (1.25% or 2.5% cholesterol) of high-fat and high-cholesterol (HFC) diets for 18 weeks. All HFC diets contained 2% cholic acid by weight. Histopathological analysis revealed that the HFC diets induced obvious hepatic steatosis, inflammation with hepatocyte ballooning and advanced fibrosis (stage 3-4) in all 12 rats at 27 weeks of age. In contrast, all five rats given the HF diet developed mild steatosis and inflammation without fibrosis. The amount of cholesterol in the liver and hepatocellular mitochondrial and microsomal fractions was significantly higher in rats fed the HFC diets than the normal or HF diets. The HFC diets significantly suppressed mRNA levels of microsomal triglyceride transfer protein, adenosine triphosphate binding cassette transporter G5, bile acid CoA: amino acid N-acyltransferase and bile salt export pump, as well as the enzymatic activity of carnitine palmitoyltransferase in the liver. In conclusion, the HFC diets induced liver cirrhosis in conjunction with hepatic features of NASH in Sprague-Dawley rats within 18 weeks, and altered gene expression and enzyme activity to accumulate lipid and bile acid in the liver. PMID- 27863347 TI - Preventive effects of Goji berry on dextran-sulfate-sodium-induced colitis in mice. AB - Goji berry (Lycium barbarum) exerts immune modulation and suppresses inflammation in vitro and in vivo. We hypothesized that Goji berry had beneficial effects on dextran sulfate sodium (DSS)-induced colitis in C57BL/6 mice through suppressing inflammation. Six-week-old male C57BL/6 mice were supplemented with a standard AIN-93G diet with or without 1% (w/w) Goji berry for 4 weeks. Then, colitis was induced by supplementing 3% DSS in drinking water for 7 days, followed by 7 days of remission period to mimic ulcerative colitis symptoms. Goji berry supplementation ameliorated DSS-induced body weight loss, diminished diarrhea and gross bleeding, and resulted in a significantly decreased disease activity index, as well as DSS-associated colon shortening. Moreover, 30% mortality rate caused by DSS-induced colitis was avoided because of Goji berry supplementation. Histologically, Goji berry ameliorated colonic edema, mucosal damage and neutrophil infiltration into colonic intestinal tissue in response to DSS challenge, which was associated with decreased expression of chemokine (C-X-C motif) ligand 1 and monocyte chemoattractant protein-1, as well as inflammatory mediators interleukin-6 and cyclooxygenase-2. In conclusion, Goji supplementation confers protective effects against DSS-induced colitis, which is associated with decreased neutrophil infiltration and suppressed inflammation. Thus, dietary Goji is likely beneficial to inflammatory bowel disease patients as a complementary therapeutic strategy. PMID- 27863348 TI - Outpatient follow-up during the first year after heart transplantation, is it feasible? AB - INTRODUCTION: First year follow-up after heart transplantation requires invasive tests. Although patients used to be hospitalized for this purpose, ambulatory invasive procedures now offer the possibility of outpatient follow-up. The feasibility and security of this strategy is unknown. METHODS: From 2007 we transitioned to outpatient follow-up. We have retrospectively reviewed the clinical course of the outpatient group (2007 to 2014) and an inpatient group (2000-2006). Basal characteristics, hospital stay, infections, rejection episodes and vascular complications were evaluated. RESULTS: 87 patients had Inpatient Follow-up (IF) and 98 Outpatient Follow-up (OF). Basal characteristics were similar, with significant differences in immunosuppression (tacrolimus IF 44.8% vs. OF 90.8%, and mycophenolate IF 86.2% vs OF 100%, both p values <0.001) and age (IF 52+/-11.5years vs. OF 56.1+/-11years, p=0.016). In the OF group more clinical visits were performed (IF 10 vs. OF 13, p<0.001) while hospital stay was lower (IF 23days vs. OF 3days, p<0.001). The rate of infection, rejection, and vascular complications was similar. No difference was found in 1-year mortality (IF 2.3% vs. 1.0%, p=0.60). CONCLUSION: First year post-cardiac transplantation outpatient follow-up seems to be feasible and safe in terms of infection, rejection, vascular complications and mortality. PMID- 27863349 TI - TRPV1 channels in cardiovascular system: A double edged sword? AB - Apart from modulating nociception, there is vital role of TRPV1 channels in modulating atherosclerosis, congestive heart failure, systemic hypertension, pulmonary hypertension, hemorrhagic shock and vascular remodeling. TRPV1 channel activation has shielding effect against the development of atherosclerosis and systemic hypertension. TRPV1 channel activation alleviates the formation of atherosclerotic lesions via increasing the expression of cholesterol efflux regulatory protein, UCP 2 and enhancing autophagy. Furthermore, activation of these channels enhances Na+ excretion and NO release to reduce the blood pressure. TRPV1 channel activation in the cardiac sensory neurons and subsequent CGRP release reduces ischemia-reperfusion injury. Activation of these channels during conditioning enhances CGRP and SP release from the sensory nerve fibers innervating the heart to induce cardioprotection. However, activation of these channels may elicit detrimental effects in pulmonary hypertension, hemorrhage and vascular remodeling. Activation of TRPV1 channels enhances smooth muscle cell proliferation to promote pulmonary hypertension. Moreover, TRPV1 channel inhibition reduces massive catecholamine release, improves survival during hemorrhage. Activation of these channels enhances vascular remodeling via enhancing NO release. Furthermore, dual role of TRPV1 channels has been reported in the perpetuation of congestive heart failure. On one hand, TRPV1 channel activation increases the expression of UCP2, PPAR- delta and mitochondrial sirtuin 3 to decrease oxidative stress and reduce heart injury. On the other hand, activation of these channels may enhance the expression of hypertrophic fibrotic proteins viz. GATA4, MMP to promote cardiac fibrosis. The present review discusses the dual role of activation of TRPV1 channels in diseases associated with cardiovascular system. PMID- 27863350 TI - Arterial calcification: A new perspective? AB - Arterial calcification is commonly seen in atherosclerosis, chronic kidney disease (CKD) and diabetes and has long been considered a natural progression of atherosclerosis. Yet it is a systemic condition, occurring in a wide and diverse range of disease states and no medical treatment for cardiovascular disease has yet found a way to regress it; on the contrary, lipid-lowering therapy may worsen its progression. Although numerous studies have found associations between calcification and biomarkers, none has yet found a unifying mechanism that explains the calcification found in atherosclerosis, CKD or diabetes and many of the biomarkers are equally associated with atheroma development and cardiovascular events. Furthermore, both presence and absence of coronary artery calcification appear predictive of plaque rupture and cardiovascular events, indicating that the association is not causal. This suggests that we are no further forward in understanding the true nature of arterial calcification or its pathogenesis, other than noting that it is 'multifactorial'. This is because most researchers view arterial calcification as a progressive pathological condition which must be treated. Instead, we hypothesise that calcification develops as an immune response to endothelial injury, such as shear stress or oxidative stress in diabetics, and is consequently part of the body's natural defences. This would explain why it has been found to be protective of plaque rupture and why it is unresponsive to lipid-lowering agents. We propose that instead of attempting to treat arterial calcification, we should instead be attempting to prevent or treat all causes of endothelial injury. PMID- 27863351 TI - Abnormal heart-rate response during cardiopulmonary exercise testing identifies cardiac dysfunction in symptomatic patients with non-obstructive coronary artery disease. AB - BACKGROUND: Symptomatic non-obstructive coronary artery disease is a growing clinical dilemma for which contemporary testing is proving to be of limited clinical utility. New methods are needed to identify cardiac dysfunction. METHODS AND RESULTS: This is a prospective observational cohort study conducted from December 2013 to August 2015 in two outpatient cardiology clinics (symptomatic cohort) and 24 outpatient practices throughout the US (healthy cohort) with centralized methodology and monitoring to compare heart-rate responses during cardiopulmonary exercise testing (CPET). Participants were 208 consecutive patients (median age, 61; range, 32-86years) with exercise intolerance and without prior heart or lung disease in whom coronary anatomy was defined and 116 healthy subjects (median age, 45; range, 26-66years). Compared to stress ECG, the novel change in heart-rate as a function of work-rate parameter (DeltaHR-WR Slope) demonstrated significantly higher sensitivity to detect under-treated atherosclerosis with similar specificity. In men, area under the ROC curve increased from 60% to 94% for non-obstructive CAD and from 64% to 80% for obstructive CAD. In women, AUC increased from 64% to 85% for non-obstructive CAD and from 66% to 90% for obstructive CAD. DeltaHR-WR Slope correctly reclassified abnormal studies in the non-obstructive CAD group from 22% to 81%; in the obstructive CAD group from 18% to 84% and in the revascularization group from 35% to 78%. CONCLUSION: Abnormal heart-rate response during CPET is more effective than stress ECG for identifying under-treated atherosclerosis and may be of utility to identify cardiac dysfunction in symptomatic patients with normal routine cardiac testing. PMID- 27863352 TI - Ultrafiltration for acute decompensated cardiac failure: A systematic review and meta-analysis. AB - BACKGROUND: Ultrafiltration is a method used to achieve diuresis in acute decompensated heart failure (ADHF) when there is diuretic resistance, but its efficacy in other settings is unclear. We therefore conducted a systematic review and meta-analysis to evaluate the use of ultrafiltration in ADHF. METHODS: We searched MEDLINE and EMBASE for studies that evaluated outcomes following filtration compared to diuretic therapy in ADHF. The outcomes of interest were body weight change, change in renal function, length of stay, frequency of rehospitalization, mortality and dependence on dialysis. We performed random effects meta-analyses to pool studies that evaluated the desired outcomes and assessed statistical heterogeneity using the I2 statistic. RESULTS: A total of 10 trials with 857 participants (mean age 68years, 71% male) compared filtration to usual diuretic care in ADHF. Nine studies evaluated weight change following filtration and the pooled results suggest a decline in mean body weight -1.8; 95% CI, -4.68 to 0.97 kg. Pooled results showed no difference between the filtration and diuretic group in change in creatinine or estimated glomerular filtration rate. The pooled results suggest longer hospital stay with filtration (mean difference, 3.70; 95% CI, -3.39 to 10.80days) and a reduction in heart failure hospitalization (RR, 0.71; 95% CI, 0.51-1.00) and all-cause rehospitalization (RR, 0.89; 95% CI, 0.43-1.86) compared to the diuretic group. Filtration was associated with a non-significant greater risk of death compared to diuretic use (RR, 1.08; 95% CI, 0.77-1.52). CONCLUSIONS: There is insufficient evidence supporting routine use of ultrafiltration in acute decompensated heart failure. PMID- 27863353 TI - Association of increased serum CTRP5 levels with in-stent restenosis after coronary drug-eluting stent implantation: CTRP5 promoting inflammation, migration and proliferation in vascular smooth muscle cells. AB - BACKGROUND: We investigated whether serum level of C1q/TNF-related protein (CTRP) 5 is associated with in-stent restenosis (ISR) after percutaneous coronary intervention (PCI) with drug-eluting stent (DES) implantation, and assessed the biological effects of CTRP5 in human aortic smooth muscle cells (hASMCs). METHODS AND RESULTS: Serum CTRP5 levels were assayed in 306 patients with and 306 patients without angiographic ISR at approximately one year after DES-based PCI. Multivariate logistic regression analysis was performed to determine risk factors for ISR. Notably, serum CTRP5 levels were higher in ISR patients than in non-ISR counterparts (197+/-84ng/mL vs. 150+/-74ng/mL, P<0.001). Compared with the lowest tertile (<125ng/mL) of CTRP5, patients with the mid (125-200ng/mL) and the highest tertile (>200ng/mL) of CTRP5 had a more than 1.6-fold (adjusted OR=1.670 2.127, P<=0.039) and 7.4-fold (adjusted OR=7.478-11.264, all P<0.001) increased risk of ISR (all P for trend <0.001), respectively, after adjustment for potential clinical, biochemical and angiographic characteristics. To assess the biological effects of CTRP5, we stimulated hASMCs with this protein. CTRP5 concentration-dependently induced the expression of MMP-2, cyclin D1 and TNF alpha in hASMCs, with activation of Notch1, TGF-beta and hedgehog signaling pathways. Consistently, this protein promoted migration and proliferation of hASMCs in wound-healing, Boyden chamber and Brdu incorporation assay. CONCLUSION: Increased serum CTRP5 level is associated with ISR after PCI with DES implantation. CTRP5 promotes proliferation, inflammation and migration in vascular smooth muscle cells through activation of multiple pathways. PMID- 27863354 TI - Contrast media use in patients with chronic kidney disease undergoing coronary angiography: A systematic review and meta-analysis of randomized trials. AB - BACKGROUND: Patients with chronic kidney disease (CKD) undergoing coronary angiography (CA), adequate hydration and minimizing volume of contrast media (CM) are class 1b recommendations for preventing contrast induced nephropathy (CIN). Current data are insufficient to justify specific recommendations about isoosmolar vs. low-osmolar contrast media by the ACCF/AHA/SCAI guidelines. METHODS: Randomized trials comparing IOCM to LOCM in CKD stage 3 and above patients undergoing CA, and reporting incidence of CIN (defined by a rise in creatinine of 25% from baseline) were included in the analysis. The secondary outcome of the study was the incidence of serum creatinine increase by >1mg/dl. RESULTS: A total of 2839 patients were included in 10 trials, in which 1430 patients received IOCM and 1393 received LOCM. When compared to LOCM, IOCM was not associated with significant benefit in preventing CIN (OR=0.72, [CI: 0.50 1.04], P=0.08, I2=59%). Subgroup analysis revealed non-significant difference in incidence of CIN based on baseline use of N-acetylcystine (NAC), diabetes status, ejection fraction, and whether percutaneous coronary intervention vs coronary angiography alone was performed. The difference between IOCM and LOCM was further attenuated when restricted to studies with larger sample size (>250 patients) (OR=0.93; [CI: 0.66-1.30]) or when compared with non-ionic LOCM (OR=0.79, [CI: 0.52-1.21]). CONCLUSION: In patients with CKD stage 3 and above undergoing coronary angiography, use of IOCM showed overall non-significant difference in incidence of CIN compared to LOCM. The difference was further attenuated when IOCM was compared with non-ionic LOCM. PMID- 27863355 TI - Changes in the severity of aortic regurgitation at peak effort during exercise. AB - BACKGROUND: Chronic aortic regurgitation can be well tolerated for a long time. Some patients with normal ventricular function can even reach high levels of sporting performance. How the severity of regurgitation may change during exercise, however, is little known, although some studies suggest it diminishes. The present work examines, during exercise, the functional capacity, ventricular function, and regurgitation fraction (RF) in asymptomatic subjects with moderate or severe aortic regurgitation with preserved ejection fraction. METHODS: The study subjects (n=32; 23 men, 9 women) were patients referred to our echocardiography laboratory with moderate or severe aortic regurgitation, preserved left ventricular systolic function, and sinus rhythm into NYHA functional class I. All underwent transthoracic echocardiography at rest and at peak effort during an exercise protocol involving an inclined cycloergometer. Left atrial and ventricular volume indices were recorded, along with diastolic and systolic function, cardiac index, peripheral resistance, and RF. RESULTS: The mean age of the subjects was 43.8+/-18.2years; 59% suffered moderate regurgitation, 41% severe aortic regurgitation, and 84% had a dilated left ventricle. All subjects managed exercise loads adequate for their age. Peak effort was associated with a significant reduction (mean 44.5% [range 10-95%]) in the RF (21.8+/-13.2 vs. 39.3%+/-14.7% at rest; p=0.0001). The absolute reduction in the RF at peak effort was greater among the subjects with severe aortic regurgitation (21.2% vs. 13.3% in those with moderate regurgitation; p=0.018). CONCLUSIONS: The RF becomes smaller during exercise in asymptomatic subjects with moderate or severe aortic regurgitation and preserved ventricular function. PMID- 27863356 TI - Left ventricular assist devices and gastrointestinal evaluation: Results of a consecutive case series. AB - AIMS: To evaluate the benefit of preoperative gastrointestinal endoscopic evaluation in patients undergoing continuous flow left ventricular assist devices (CF-LVADs) implantation. METHODS AND RESULTS: A retrospective review of all fifty three patients undergoing CF-LVADs at West-German Heart and Vascular Center, University of Duisburg-Essen was performed. A routine preoperative esophagogastroduodenoscopy was performed in seven patients to assess gastrointestinal (GI) bleeding. None of the patients had GI bleeding at the time. All patients received HeartWare CF-LVAD (HVAD, HeartWare Inc., Framingham, MA, USA). Six of the patients had relevant endoscopic findings and received therapy accordingly. None of these patients developed GI bleeding in the first 30days after CF-LVAD implantation. CONCLUSION: Preoperative GI evaluation in patients undergoing elective CF-LVAD implantation might be beneficial in reducing GI bleeding postoperatively. PMID- 27863357 TI - Cardiovascular health among two ethnic groups living in the same region: A population-based study. AB - BACKGROUND: Poor cardiovascular health (CVH) among ethnic/racial minorities, studied primarily in the USA, may reflect lower access to healthcare. We examined factors associated with minority CVH in a setting of universal access to healthcare. METHODS AND RESULTS: CVH behaviors and factors were evaluated in a random population sample (551 Arabs, 553 Jews) stratified by sex, ethnicity and age. More Jews (10%) than Arabs (3%) had 3 ideal health behaviors. Only one participant had all four. Although ideal diet was rare (<=1.5%) across groups, Arabs were more likely to meet intake recommendations for whole grains, but less likely to meet intake recommendations for fruits/vegetables and fish. Arabs had lower odds of attaining ideal levels for body mass index and physical activity. Smoking prevalence was 57% among Arab men and 6% among Arab women. Having four ideal health factors (cholesterol, blood pressure, glucose, smoking) was observed in 2% and 8% of Arab and Jewish men, respectively, and 13% of Arab and Jewish women. Higher prevalence of ideal total-cholesterol corresponded to lower high density lipoprotein cholesterol among Arabs. No participant met ideal levels for all 7 metrics and only 1.8% presented with 6. Accounting for age and lower socioeconomic status, Arabs were less likely to meet a greater number of metric goals (odds ratio (95% confidence interval): 0.62 (0.42-0.92) for men, and 0.73 (0.48-1.12) for women). CONCLUSIONS: Ideal CVH, rare altogether, was less prevalent among the Arab minority albeit universal access to healthcare. Health behaviors were the main contributors to the CVH disparity. PMID- 27863358 TI - Temporal trends and long term follow-up of implantable cardioverter defibrillator therapy for secondary prevention: A 15-year single-centre experience. AB - BACKGROUND: The aim of this study was to determine overall and aetiology-related incidence of secondary prevention ICD implantation over the last 15years in Canton Ticino and to assess clinical outcome according to time period of implantation. METHODS AND RESULTS: Consecutive patients treated by implantation of an ICD for secondary prevention from 2000 to 2015 were included in the current study and compared between 5-year cohorts (2000/2004; 2005/2009; 2010/2015). Yearly implantation rate, changing in clinical presentation over years and events during follow-up were evaluated. One-hundred fifty six patients were included. ICD implantation rate increased from 2.1 in 2000-2005 to 5.1 in 2010-2015, respectively (p 0.001). There was an increase in the proportion of non-ischaemic patients and of ventricular tachycardia (VT) as presenting rhythm. No differences in appropriate ICD interventions were observed according to aetiology, presenting arrhythmia or type of device. Reverse remodelling was observed more often in non ischaemic patients, without any influence on the occurrence of appropriate interventions. Previous myocardial infarction (MI), atrial fibrillation (AF), NYHA class 2-3 and left ventricular ejection fraction (LVEF)<35% were predictors of appropriate therapies during follow-up. CONCLUSIONS: Rate of implants for secondary prevention indication has almost doubled during the last 15years. Importantly, there has been a progressive increase of non-ischaemic patients receiving an ICD, and of VT as presenting rhythm. Patients had an overall good survival and a relatively low incidence of appropriate therapies. Improvement of ejection fraction did not correlate with risk reduction of ventricular arrhythmias. PMID- 27863359 TI - Is hyperhomocysteinemia a causal factor for heart failure? The impact of the functional variants of MTHFR and PON1 on ischemic and non-ischemic etiology. AB - BACKGROUND: Hyperhomocysteinemia was found to be uniformly associated with the development of heart failure (HF) and HF mortality; however, it is uncertain whether this relation is causative or not. We used Mendelian randomization to examine the associations of the methylene tetrahydrofolate gene (MTHFR) and paraoxonase 1 gene (PON1) variants as a proxy for lifelong exposure to high Hcy and Hcy-thiolactone concentrations with the development of HF in men aged <=60years and the occurrence of adverse effects at one-year follow-up. METHODS: The study enrolled 172 men with HF: 117 with ischemic etiology (iHF) related to coronary artery disease (CAD) and 55 with non-ischemic etiology (niHF) related to dilated cardiomyopathy (DCM). The reference group of 329 CAD patients without HF and the control group of 384 men were also analyzed. RESULTS: Hyperhomocysteinemia (OR=2.0, P<0.05) and the MTHFR 677TT/1298AA, 677CC/1298CC genotypes (OR=1.6, P=0.03) were associated with HF regardless of its etiology, especially among normotensives (OR=4.6, P=0.001 and OR=2.3, P=0.003, respectively). In niHF, the PON1 162AA (OR=2.3, P=0.03) and 575AG+GG (OR=0.46, P=0.01) genotypes also influenced the risk. The interaction between HDLC<1mmol/L and the PON1 575GG genotype was found to influence the risk of iHF (OR=7.2, P=0.009). Hyperhomocysteinemia improved the classification of niHF patients as 'high-risk' by 10.1%. Ejection fraction <30% and DCM increased the probability of HF death or re-hospitalization within one year. CONCLUSION: Our results provide evidence that hyperhomocysteinemia is a causal factor for niHF in DCM, while dysfunctional HDL could contribute to the pathogenesis of iHF. PMID- 27863360 TI - The effect of beta-blockers on mortality in heart failure with preserved ejection fraction: A meta-analysis of observational cohort and randomized controlled studies. AB - BACKGROUND: Nearly half of patients with heart failure (HF) have preserved ejection fraction (EF) and the mortality of patients with HF with preserved EF (HFpEF) is high. However, there is no therapy to improve survival in HFpEF. Although observational cohort studies (OCSs) have examined the survival benefit of beta-blockers in HFpEF, the results are inconsistent due to limited power with small sample sizes and/or lack of adjustment for known confounders. Furthermore, recent randomized controlled trial (RCT)s failed to show the mortality benefit of beta-blockers in HFpEF. However, these RCTs were not adequately powered and thus the definite conclusion cannot be drawn. METHODS AND RESULTS: We aimed to conduct a meta-analysis of the effect of beta-blockers on mortality in HFpEF. The search of electronic databases identified 5 OCSs with propensity score (PS) analysis (12,315 patients), 6 OCSs without PS analysis (15,275 patients), and 3 RCTs (1046 patients). Beta-blocker use was associated with improved survival in the pooled analysis of OCSs with PS analysis (RR [95% CI]=0.79 [0.66-0.95]) and in that of OCSs without PS analysis (0.70 [0.52-0.94]). In the pooled analysis of RCTs, beta blocker use was associated with non-significant reduced risk for mortality (RR [95% CI]=0.80 [0.61-1.05]). Overall, use of beta-blockers reduced the risk of mortality by 21% (RR [95% CI]=0.79 [0.71-0.88]). CONCLUSION: Our meta-analysis suggests the potential mortality benefit of beta-blockers in HFpEF. Well-designed and powered RCTs should be planned to confirm our observed potential survival benefit of beta-blockers in HFpEF. PMID- 27863361 TI - Transradial approach for coronary angiography and intervention in the elderly: A meta-analysis of 777,841 patients. AB - BACKGROUND: Studies showing an advantage of transradial approach (TR) for coronary angiography and intervention (PCI) compared to the transfemoral approach (TF) predominantly included a younger population. Therefore, we conducted a meta analysis of published studies to determine the efficacy of TR in the elderly population. METHODS AND RESULTS: A comprehensive search identified 16 studies [3 randomized controlled studies, 13 observational] comprising 777,841 elderly patients undergoing PCI. TR was used in 99,201 patients and TF in 678,640 patients. The results from observational studies showed that TR was associated with a lower rate of vascular complications (0.4% vs. 0.8%, OR 0.36, 95% CI 0.30 0.44), stroke (0.3% vs. 0.4%, OR 0.81, 95% CI 0.66-1.0) and death (2.0% vs. 2.2%, OR 0.51, 95% CI 0.41-0.63). RCTs confirmed findings from observational studies for both significant reduction in vascular complications (2.7% vs. 7%, OR 0.37, 95% CI 0.23-0.60) and stroke (0.4% vs. 1.4%, OR 0.31, 95% CI 0.10-0.97) but showed no effect on mortality (3.3% vs. 2.8%, OR 1.20, 95% CI 0.69-2.09). However, among patients with ST elevation myocardial infarction (STEMI), TR was associated with a mortality benefit (5% vs. 7%, OR 0.48, 95% CI 0.25-0.90, p=0.02). Access site crossover rate was higher for TR compared to the TF approach (11% vs. 3%, p=0.0003) but there was no difference in contrast media use, procedure duration, fluoroscopy time and door to balloon time for STEMI. CONCLUSION: TR for PCI in the elderly is associated with a reduced risk of stroke, lower rate of vascular complications overall and a mortality benefit for patients presenting with STEMI. The access site cross rate for TR is higher compared to TF but remains acceptably low. TR should be the preferred strategy for PCI in the elderly to optimize clinical benefit in this high-risk group. PMID- 27863362 TI - Comparison of cardiovascular risk assessment tools and their guidelines in evaluation of 10-year CVD risk and preventive recommendations: A population based study. AB - BACKGROUND: Identification of individuals at risk of cardiovascular diseases (CVDs) results in better clinical outcomes and may help policy makers in conscious decision making for community based and national intervention strategies. The main aim of this study was to compare various CVD risk assessment tools and their related guidelines in estimation of 10-year CVD risk and subsequent therapeutic recommendations, respectively. METHODS: Data of 3086 subjects aged 40-74years from a cohort study of northern Iran were utilized in this cross-sectional study. The risks were calculated based on American College of Cardiology/American Heart Association (ACC/AHA) tool, two versions of Systematic Coronary Risk Evaluation (SCORE) equations (for low and high risk European countries) and Framingham approach. We also detected participants who ought to be recommended for treatment based on the specific guidelines related to each of the risk assessment tools. RESULTS: Mean cardiovascular risks were 12.96%, 8.84%, 1.90% and 3.45% in men and 5.87%, 2.13%, 0.8% and 1.13% in women based on ACC/AHA, Framingham, SCORE equation for low-risk European countries and high-risk European countries, respectively. Based on ACC/AHA, Adult Treatment Panel III (ATPIII) and European Society of Cardiology (ESC) guidelines related to SCORE equations for low and high risk European countries 58.2%, 27.1%, 21.1% and 28.6% of men and 39.7%, 33.0%, 29.5% and 30.7% of women were recommended to statin therapy, respectively. CONCLUSIONS: In conclusion, more individuals were recommended for treatment by ACC/AHA guideline than the other guidelines. PMID- 27863363 TI - Exercise-based cardiac rehabilitation in twelve European countries results of the European cardiac rehabilitation registry. AB - AIM: Results from EuroCaReD study should serve as a benchmark to improve guideline adherence and treatment quality of cardiac rehabilitation (CR) in Europe. METHODS AND RESULTS: Data from 2.054 CR patients in 12 European countries were derived from 69 centres. 76% were male. Indication for CR differed between countries being predominantly ACS in Switzerland (79%), Portugal (62%) and Germany (61%), elective PCI in Greece (37%), Austria (36%) and Spain (32%), and CABG in Croatia and Russia (36%). A minority of patients presented with chronic heart failure (4%). At CR start, most patients already were under medication according to current guidelines for the treatment of CV risk factors. A wide range of CR programme designs was found (duration 3 to 24weeks; total number of sessions 30 to 196). Patient programme adherence after admission was high (85%). With reservations that eCRF follow-up data exchange remained incomplete, patient CV risk profiles experienced only small improvements. CR success as defined by an increase of exercise capacity >25W was significantly higher in young patients and those who were employed. Results differed by countries. After CR only 9% of patients were admitted to a structured post-CR programme. CONCLUSIONS: Clinical characteristics of CR patients, indications and programmes in Europe are different. Guideline adherence is poor. Thus, patient selection and CR programme designs should become more evidence-based. Routine eCRF documentation of CR results throughout European countries was not sufficient in its first application because of incomplete data exchange. Therefore better adherence of CR centres to minimal routine clinical standards is requested. PMID- 27863364 TI - Interactions of digitalis and class-III antiarrhythmic drugs: Amiodarone versus dronedarone. AB - BACKGROUND: A post hoc analysis of the PALLAS trial suggested possible interactions of dronedarone and digitalis glycosides. The aim of the present study was to compare the effects dronedarone or amiodarone in combination with digitalis glycosides. METHODS AND RESULTS: Eleven female rabbits underwent chronic oral treatment with amiodarone (50mg/kg/d for 6weeks). Ten rabbits were treated with dronedarone (50mg/kg/d for 6weeks). Ten rabbits were used as controls. Hearts were isolated and Langendorff-perfused. Monophasic action potentials and ECG showed a moderate prolongation of QT interval and action potential duration (APD). Both drugs also increased effective refractory period. Additional application of ouabain (0.2MUM) resulted in a significant decrease of QT interval, APD, and ERP in all groups. Ventricular arrhythmias were induced by programmed ventricular stimulation and aggressive burst stimulation. Reproducible occurrence was defined as occurrence of at least 3 episodes. Under baseline conditions in control hearts, ventricular fibrillation (VF) was inducible in 1 of 10 hearts (7 episodes). After the application of 0.2MUM ouabain, 4 of 10 control hearts were inducible (24 episodes). One of 10 dronedarone-pretreated hearts (3 episodes) and 2 of 11 amiodarone-pretreated hearts (6 episodes) showed VF before ouabain infusion. After the application of 0.2MUM ouabain, 7 of 10 dronedarone pretreated hearts were inducible (73 episodes). By contrast, only 4 of 11 amiodarone-pretreated hearts (13 episodes) showed VF. CONCLUSION: In the present study, additional treatment with ouabain resulted in an increased ventricular vulnerability in al study groups. Of note, chronically dronedarone-pretreated hearts were significantly more vulnerable than amiodarone-pretreated hearts. PMID- 27863365 TI - Preoperative evaluation of coronary artery fistula using dual-source computed tomography. AB - OBJECTIVES: To evaluate the efficacy of dual-source computed tomography (DSCT) in assessing the morphological features, quantitative features, and associated coronary artery lesions among patients with coronary artery fistula (CAF) before surgery. METHODS: We enrolled 34 patients with CAF that were morphologically and quantitatively analyzed by DSCT and compared the analyses with surgical results (reference standard). The associated coronary artery lesions were also assessed. RESULTS: By DSCT, we identified 15 patients (44.1%) with left-sided CAF, 9 (26.5%) with right-sided CAF, and 10 (29.4%) with bilateral CAF; the left anterior descending coronary artery (50.0%) was most frequently involved. Drainage was most commonly in the main pulmonary artery (41.2%), and those with right-sided CAF had larger feeding coronary arteries and drainage sites than those with left-sided or bilateral CAF (p<0.05). All the morphological features presented by DSCT were confirmed at surgery. In the quantitative analysis of CAF, DSCT was as accurate as surgery (r=0.95-0.98, p<0.001), and it was able to evaluate associated lesions accurately, including arteriosclerotic plaques, coronary artery aneurysms, and myocardial bridges. The evaluation could be completed in a single scan, without requiring an increased radiation dose (mean ED=2.27+/-1.92mSv). CONCLUSIONS: DSCT is an alternative noninvasive imaging method that enables accurate assessment of morphological features, quantitative features, and associated coronary artery lesions in patients with CAF. It can be used to provide comprehensive information for determining surgical strategies. PMID- 27863366 TI - Early versus late thrombolysis in acute arterial occlusion of lower extremity. AB - BACKGROUND: Acute arterial occlusion in lower extremity is an urgent condition which occurs when there is an abrupt interruption of blood flow into an extremity. Reperfusion through early intervention can increase limb salvage and decrease mortality. There was no common agreement when is the best to start thrombolysis in treating acute arterial occlusion. This study was designed to study the efficacy of an early thrombolysis compared with a late thrombolysis. METHOD: We identified all patients discharged from the Gwangju Veterans hospital with a diagnosis of acute arterial occlusion between 2006 and 2014. 72 patients were eligible, and every patient had treated with catheter-directed thrombolysis on the day or 1day after admission. Among them, 42 patients had undergone an early thrombolysis (less than 7days after the onset of symptoms) and the other 30 patients had undergone a late thrombolysis (more than 7days after the onset of symptoms). The primary outcome was amputation rate at 6months. The secondary outcomes were all cause mortality at 6months and increase of ankle brachial index (ABI). RESULTS: Amputation rate at 180days in the early thrombolysis group was 7.1% as compared with 30% in the late thrombolysis group. All cause mortality at 6months and increase of ABI were not different between two groups. In multivariable Cox-regression analysis, late thrombolysis was independent predictor of amputation at 6months. CONCLUSION: Early thrombolysis was superior in preventing amputation than late thrombolysis. PMID- 27863367 TI - Prescription pattern of Chinese herbal products for heart failure in Taiwan: A population-based study. AB - BACKGROUND: Certain Chinese herbal products (CHPs) may protect against the progression of heart failure (HF). However, there is a lack of research regarding the use of CHPs in patients with HF. The aims of this study were to analyze CHPs usage patterns in patients with HF and to identify the frequency and combination of CHPs most commonly used for HF. METHODS: This retrospective, nationwide, population-based cohort study was conducted using a randomly sampled cohort of one million patients selected from the National Health Insurance Research Database (NHIRD) for the years 2000-2010 in Taiwan. CHP use and the top ten most frequently prescribed formulae and single herbs for treating HF were assessed, including total formulae number and average and frequency of prescriptions. Demographic characteristics, including sex and age at diagnosis of HF, were examined, together with existing comorbidities. RESULTS: The cohort included 19,988 newly diagnosed AD patients, who were given CHP treatment for HF between 2000 and 2010. Among them, female patients (53.3%) and those over 65years old (63.9%) were more likely to use CM. After adjusting for demographic factors, HF patients suffering from coronary artery disease (CAD) were more likely to seek traditional Chinese medicine (TCM) treatment than those with non-TCM users (57.6% vs. 52.6%). Zhi-Gan-Cao-Tang (4.07%) and Danshen (5.13%) were the most frequent formula CHP and single CHP prescribed by TCM practitioners for treating HF, respectively. CONCLUSION: Most people with HF who consumed CHPs used CHPs to supplement Yang-Qi, nourish the Ying-blood, and strengthen the heart spirit as complementary medicines to relieve HF-related symptoms, in addition to using standard anti-HF treatments. Further large-scale, randomized clinical trials are warranted in order to determine the effectiveness and safety of these herbal medicines. PMID- 27863368 TI - Clinical and echocardiographic course in tako-tsubo cardiomyopathy: Long-term follow-up from a multicenter study. AB - OBJECTIVES: To jointly describe clinical characteristics, ECG and echocardiographic findings, and adverse cardiovascular events in patients with tako-tsubo cardiomyopathy (TC) in the long-term. METHODS: Longitudinal multicenter study including retrospective analysis of clinical and ECG data, and follow-up evaluation with clinical interview, electrocardiogram and echocardiogram. RESULTS: Data from 66 cases of TC were available for analysis of clinical and adverse cardiovascular events, and 56 of them completed the follow up visit including electrocardiogram and echocardiogram. Most patients (97%) were asymptomatic or oligosymptomatic (NYHA I [58%] or II [39%], respectively) at follow-up (median time: 3.7 [1.8-6.6] years). The vast majority of individual QRS complex and repolarization abnormalities had disappeared (87% with no ECG abnormalities at follow-up). On echocardiography, left ventricular ejection fraction was >=50% in all patients (mean: 63+/-6%). Wall motion abnormalities were observed in 4 patients (7%; 3 with apical wall motion abnormalities and 1 with mild global hypokinesia). Long-term outcomes were as follows: 4 deaths (6%), 2 cardiovascular and 2 non-cardiovascular; no atrial fibrillation development; no stroke events; 5 acute recurrence events of TC (8%). Globally, 57 patients (86%) had a clinical course free from adverse cardiovascular events. CONCLUSIONS: After a long period following the admission event, patients discharged from TC remain asymptomatic or minimally symptomatic, and feature a low prevalence of both ECG and left ventricular wall motion abnormalities; moreover, the latter lead to a very mild impairment of ejection fraction. Among cardiovascular adverse events, recurrence of the TC event appears to play the most significant role. PMID- 27863369 TI - Occurrence of antibiotics in rural catchments. AB - The transfer of 23 antibiotics from domestic and hospital sources was investigated in two elementary river watersheds receiving wastewater treatment plant (WWTP) discharges, in relation with the hydrological cycle and seasonal conditions. Antibiotic concentrations in the effluent of a WWTP treating wastewaters from both hospital and domestic sources (18-12 850 ng L-1) were far higher than those from domestic sources exclusively (3-550 ng L-1). In rivers, upstream of the WWTP discharges, fluoroquinolones only were found at low concentrations (<=10 ng L-1). Their presence might be explained by transfer from contaminated agricultural fields located on the river banks. Immediately downstream of the WWTP discharge, antibiotic occurrence increased strongly with mean concentrations up to 1210 ng L-1 for ofloxacin and 100% detection frequencies for vancomycin, sulfamethoxazole, trimethoprim and three fluoroquinolones. Dilution processes during high-flow periods led to concentrations 14 times lower than during low-flow periods. Downstream of the discharge, the antibiotic dissipation rate from the water column was higher for fluoroquinolones, in relation with their high sorption upon suspended matter and sediment. Only five antibiotics (vancomycin and four fluoroquinolones ciprofloxacin, norfloxacin, ofloxacin and enoxacin) were partly distributed (11% 36%) in the particulate phase. Downstream of the discharge, antibiotic contents in sediment ranged from 1700 to 3500 ng g-1 dry weight, fluoroquinolones accounting for 97% of the total. PMID- 27863370 TI - Novel tacrine-1,2,3-triazole hybrids: In vitro, in vivo biological evaluation and docking study of cholinesterase inhibitors. AB - A new series of tacrine-1,2,3-triazole hybrids were designed, synthesized, and evaluated as potent dual cholinesterase inhibitors. Most of synthesized compounds showed good in vitro inhibitory activities toward both acetylcholinesterase (AChE) and butyrylcholinesterase (BChE). Among them, 7-chloro-N-((1-(4 methoxybenzyl)-1H-1,2,3-triazol-4-yl)methyl)-1,2,3,4-tetrahydroacridin-9-amine (5l) was found to be the most potent anti-AChE derivative (IC50 = 0.521 MUM) and N-((1-(4-methoxybenzyl)-1H-1,2,3-triazol-4-yl)methyl)-1,2,3,4-tetrahydroacridin-9 amine (5j) demonstrated the best anti-BChE activity (IC50 = 0.055 MUM). In vivo studies of compound 5l in Morris water maze task confirmed memory improvement in scopolamine-induced impairment. Also, molecular modeling and kinetic studies showed that compounds 5l and 5j bound simultaneously to the peripheral anionic site (PAS) and catalytic sites (CS) of the AChE and BChE. PMID- 27863371 TI - Healthy me: A gender-specific program to address body image concerns and risk factors among preadolescents. AB - This study evaluated a gender-specific, school-based program to promote positive body image and address risk factors for body dissatisfaction. In total, 652 children aged 8-10 years participated (335 intervention, 317 wait-list control). Children participated in four 60min sessions and a recap session at three months post-intervention. The broad content areas were body image, peer relationships, media awareness, healthy diet, and exercise. The activities and examples for each session were gender specific. The recap session was an overview of the four sessions. Assessment measures were completed at pre-intervention, post intervention, and after the recap. Boys and girls in the intervention demonstrated higher muscle esteem and vegetable intake at post-intervention, compared to children in the control condition. Boys and girls demonstrated higher body esteem, muscle esteem and fruit and vegetable intake at the recap. Boys in the intervention demonstrated less investment in masculine gender norms at post intervention and at recap. PMID- 27863372 TI - The fucosylated CD147 enhances the autophagy in epithelial ovarian cancer cells. AB - Autophagy is modulated by multiple factors including CD147, but little is know about the effects and mechanism by which the modification of CD147 by Lewis y antigen regulates autophagy of ovarian cancer cell. Here, we reported that Lewis y antigen can promote basic autophagy activity and restrain autophagic cell death in ovarian cancer cells. Furthermore, human whole genome expression profile microarrays and massage pathway analysis revealed that during early stages of autophagy in ovarian cancer cells with highly expressing Lewis y antigen, PI3K/Akt-mTOR activity was reduced, in contrast, the PI3K/Akt-mTOR signaling pathway was activated as the length of amino acid deprivation increased, which inhibited eIF4G2 expression, further decreased the transcription of autophagy related genes, suppressed autophagic cell death. we also elaborated that co regulates protein degradation in cells via the ubiquitin-proteasome system and the autophagy-lysosome pathway. These findings suggested that the modification of CD147 by Lewis y antigen enhanced the survival ability by promoting basic autophagy activity and restraining autophagic cell death in ovarian cancer , thus playing an important role in ovarian cancer malignant progression. PMID- 27863373 TI - Tumor-targeting adenovirus OBP-401 inhibits primary and metastatic tumor growth of triple-negative breast cancer in orthotopic nude-mouse models. AB - Our laboratory previously developed a highly-invasive, triple-negative breast cancer (TNBC) variant using serial orthotopic implantation of the human MDA-MB 231 cell line in nude mice. The isolated variant was highly-invasive in the mammary gland and lymphatic channels and metastasized to lymph nodes in 10 of 12 mice compared to 2 of 12 of the parental cell line. In the present study, the tumor-selective telomerase dependent OBP-401 adenovirus was injected intratumorally (i.t.) (1 * 108 PFU) when the high-metastatic MDA-MB-231 primary tumor expressing red fluorescent protein (MDA-MB-231-RFP) reached approximately 500 mm3 (diameter; 10 mm). The mock-infected orthotopic primary tumor grew rapidly. After i.t. OBP-401 injection, the growth of the orthotopic tumors was arrested. Six weeks after implantation, the fluorescent area and fluorescence intensity showed no increase from the beginning of treatment. OBP-401 was then injected into high-metastatic MDA-MB-231-RFP primary orthotopic tumor growing in mice which already had developed metastasis within lymphatic ducts. All 7 of 7 control mice subsequently developed lymph node metastasis. In contrast, none of 7 mice which received OBP-401 had lymph node metastasis. Seven of 7 control mice also had gross lung metastasis. In contrast, none of the 7 mice which received OBP-401 had gross lung metastasis. Confocal laser microscopy imaging demonstrated that all control mice had diffuse lung metastases. In contrast, all 7 mice which received OBP-401 only had a few metastatic cells in the lung. OBP-401 treatment significantly extended survival of the treated mice. PMID- 27863374 TI - Magic year for multiple myeloma therapeutics: Key takeaways from the ASH 2015 annual meeting. AB - Despite the availability of various anticancer agents, Multiple Myeloma (MM) remains incurable in most cases, along with high relapse rate in the patients treated with these agents. The year 2015 saw major advancements in our battle against multiple myeloma. In 2015, the U.S. Food and Drug Administration (FDA) approved three new therapies for multiple myeloma, namely Ixazomib (an oral proteasome inhibitor), Daratumumab and Elotuzumab (monoclonal antibodies against CD38 and SLAMF7 respectively). The purpose of this review is to provide a detailed analysis of these aforementioned breakthrough therapies and two other newer agents, Filanesib (kinesis spindle inhibitor) and selinexor (SINE inhibitor), presented at the 2015 annual meeting of American Society of Hematology (ASH). We also describe the role of agents targeting PD-1 axis and chimeric antigen receptor T (CAR-T) cells in the treatment of MM. PMID- 27863375 TI - H2O2 treatment or serum deprivation induces autophagy and apoptosis in naked mole rat skin fibroblasts by inhibiting the PI3K/Akt signaling pathway. AB - Naked mole-rats (NMR; Heterocephalus glaber) display extreme longevity and resistance to cancer. Here, we examined whether autophagy contributes to the longevity of NMRs by assessing the effects of the PI3K/Akt pathway inhibitor LY294002 and the autophagy inhibitor chloroquine (CQ) on autophagy and apoptosis in NMR skin fibroblasts. Serum starvation, H2O2 treatment, and LY294002 treatment all increased the LC3-II/LC3-I ratio and numbers of double-membraned autophagosomes and autophagic vacuoles, and decreased levels of p70S6K, p AktSer473, and p-AktThr308. By contrast, CQ treatment decreased p70S6K, AktSer473, and AktThr308 levels. The Bax/Bcl-2 ratio increased after 12 h of exposure to LY294002 or CQ. These data show that inhibiting the Akt pathway promotes autophagy and apoptosis in NMR skin fibroblasts. Furthermore, LY294002 or CQ treatment decreased caspase-3, p53, and HIF1-alpha levels, suggesting that serum starvation or H2O2 treatment increase autophagy and apoptosis in NMR skin fibroblasts by inhibiting the PI3K/Akt pathway. CQ-induced inhibition of late autophagy stages also prevented Akt activation and induced apoptosis. Finally, the HIF-1alpha and p53 pathways were involved in serum starvation- or H2O2 induced autophagy in NMR skin fibroblasts. PMID- 27863376 TI - CXCR4 increases in-vivo glioma perivascular invasion, and reduces radiation induced apoptosis: A genetic knockdown study. AB - Glioblastoma (GBM) is a highly invasive brain tumor. Perivascular invasion, autovascularization and vascular co-option occur throughout the disease and lead to tumor invasion and progression. The molecular basis for perivascular invasion, i.e., the interaction of glioma tumor cells with endothelial cells is not well characterized. Recent studies indicate that glioma cells have increased expression of CXCR4. We investigated the in-vivo role of CXCR4 in perivascular invasion of glioma cells using shRNA-mediated knock down of CXCR4. We show that primary cultures of human glioma stem cells HF2303 and mouse glioma GL26-Cit cells exhibit significant migration towards human (HBMVE) and mouse (MBVE) brain microvascular endothelial cells. Blocking CXCR4 on tumor cells with AMD3100 in vitro, inhibits migration of GL26-Cit and HF2303 toward MBVE and HBMVE cells. Additionally, genetic down regulation of CXCR4 in mouse glioma GL26-Cit cells inhibits their in-vitro migration towards MBVE cells; in an in-vivo intracranial mouse model, these cells display reduced tumor growth and perivascular invasion, leading to increased survival. Quantitative analysis of brain sections showed that CXCR4 knockdown tumors are less invasive. Lastly, we tested the effects of radiation on CXCR4 knock down GL26-Cit cells in an orthotopic brain tumor model. Radiation treatment increased apoptosis of CXCR4 downregulated tumor cells and prolonged median survival. In summary, our data suggest that CXCR4 signaling is critical for perivascular invasion of GBM cells and targeting this receptor makes tumors less invasive and more sensitive to radiation therapy. Combination of CXCR4 knock down and radiation treatment might improve the efficacy of GBM therapy. PMID- 27863377 TI - Variable patterns of ectopic mineralization in Enpp1asj-2J mice, a model for generalized arterial calcification of infancy. AB - Generalized arterial calcification of infancy (GACI) is an autosomal recessive disorder characterized by early onset of extensive mineralization of the cardiovascular system. The classical forms of GACI are caused by mutations in the ENPP1 gene, encoding a membrane-bound pyrophosphatase/phosphodiesterase that hydrolyzes ATP to AMP and inorganic pyrophosphate. The asj-2J mouse harboring a spontaneous mutation in the Enpp1 gene has been characterized as a model for GACI. These mutant mice develop ectopic mineralization in skin and vascular connective tissues as well as in cartilage and collagen-rich tendons and ligaments. This study examined in detail the temporal ectopic mineralization phenotype of connective tissues in this mouse model, utilizing a novel cryo histological method that does not require decalcification of bones. The wild type, heterozygous, and homozygous mice were administered fluorescent mineralization labels at 4 weeks (calcein), 10 weeks (alizarin complexone), and 11 weeks of age (demeclocycline). Twenty-four hours later, outer ears, muzzle skin, trachea, aorta, shoulders, and vertebrae were collected from these mice and examined for progression of mineralization. The results revealed differential timeline for disease initiation and progression in various tissues of this mouse model. It also highlights the advantages of cryo-histological fluorescent imaging technique to study mineral deposition in mouse models of ectopic mineralization disorders. PMID- 27863378 TI - Aberrant localization of apoptosis protease activating factor-1 in lipid raft sub domains of diffuse large B cell lymphomas. AB - Resistance to chemotherapy remains a challenge in the clinical management of diffuse B cell lymphomas despite aggressive chemotherapy such as CHOP and monoclonal CD20. Here we provide evidence that the apoptosome adaptor protein, Apaf-1, is mislocalized in primary cells derived from patients with diffuse large B cell lymphomas (DLBCL). Whereas, the total expression of Apaf-1 did not change, its sub-cellular localization was significantly different in DLBCL, compared to T cell lymphomas as well as cells derived from reactive lymphadenopathy biopsies. As expected, Apaf-1 was detected in the cytosolic fractions of non-B cell lymphomas and non-cancerous tissues; however, in B cell derived lymphomas the protein was detected in membrane raft sub-domains rather than the cytosol. Disruption of lipid raft structures resulted in the redistribution of Apaf-1 to the cytosol and restored apoptosis sensitivity of DLBCL. Furthermore, we identified novel small molecule compounds that target DLBCL by promoting Apaf-1 release form lipid rafts via mechanisms that involve an increase in intracellular reactive oxygen species production. Taken together, our results implicate Apaf-1 mislocalization as a potential diagnostic and prognostic marker for DLBCL, and provide a novel therapeutic strategy for circumventing the drug refractory nature of this sub-class of B cell lymphoma. PMID- 27863379 TI - Targeted next generation sequencing identifies two novel mutations in SEPN1 in rigid spine muscular dystrophy 1. AB - Rigid spine muscular dystrophy 1 (RSMD1) is a neuromuscular disorder, manifested with poor axial muscle strength, scoliosis and neck weakness, and a variable degree of spinal rigidity with an early ventilatory insufficiency which can lead to death by respiratory failure. Mutations of SEPN1 gene are associated with autosomal recessive RSMD1. Here, we present a clinical molecular study of a Chinese proband with RSMD1. The proband is a 17 years old male, showing difficulty in feeding, delayed motor response, problem in running with frequent fall down, early onset respiratory insufficiency, general muscle weakness and rigid cervical spine. Muscle biopsy identified increased variability of fiber size with atrophic muscle cells consistent with non-specific myopathic changes. Proband's elder brother presented with same phenotype as the proband and died at the age of 15 years due to acute respiratory failure. Proband's father and mother are phenotypically normal. Targeted exome capture based next generation sequencing and Sanger sequencing identified that the proband was a compound heterozygote with two novel mutations in SEPN1 gene; a novel missense mutation (c.1384T>C; p.Sec462Arg) and a novel nonsense mutation (c.1525C>T; p.Gln509Ter), inherited from his father and mother respectively. These two mutations are co segregated with the disease phenotypes in the proband and was absent in normal healthy controls. Our present study expands the mutational spectrum of the SEPN1 associated RSMD1. PMID- 27863380 TI - Arctigenin functions as a selective agonist of estrogen receptor beta to restrict mTORC1 activation and consequent Th17 differentiation. AB - Arctigenin was previously proven to inhibit Th17 cell differentiation and thereby attenuate colitis in mice by down-regulating the activation of mechanistic target of rapamycin complex 1 (mTORC1). The present study was performed to address its underlying mechanism in view of estrogen receptor (ER). The specific antagonist PHTPP or siRNA of ERbeta largely diminished the inhibitory effect of arctigenin on the mTORC1 activation in T cell lines and primary CD4+ T cells under Th17 polarization condition, suggesting that arctigenin functioned in an ERbeta dependent manner. Moreover, arctigenin was recognized to be an agonist of ERbeta, which could bind to ERbeta with a moderate affinity, promote dissociation of ERbeta/HSP90 complex and nuclear translocation and phosphorylation of ERbeta, and increase the transcription activity. Following activation of ERbeta, arctigenin inhibited the activity of mTORC1 by disruption of ERbeta-raptor-mTOR complex assembly. Deficiency of ERbeta markedly abolished arctigenin-mediated inhibition of Th17 cell differentiation. In colitis mice, the activation of ERbeta, inhibition of mTORC1 activation and Th17 response by arctigenin were abolished by PHTPP treatment. In conclusion, ERbeta might be the target protein of arctigenin responsible for inhibition of mTORC1 activation and resultant prevention of Th17 cell differentiation and colitis development. PMID- 27863381 TI - Probucol prevents atrial ion channel remodeling in an alloxan-induced diabetes rabbit model. AB - Diabetes mellitus (DM) increases the risk of developing atrial fibrillation (AF), but the molecular mechanisms of diabetes-induced atrial remodeling processes have not been fully characterized. The aim of this study was to examine the mechanisms underlying atrial ion channel remodeling in alloxan-induced diabetes model in rabbits. A total of 40 Japanese rabbits were randomly assigned to a control group (C), alloxan-induced diabetic group (DM), probucol-treated control group (Control P), and probucol-treated diabetic group (DM-P). Using whole-cell voltage-clamp techniques, ICa,L, INa and action potential durations (APDs) were measured in cardiomyocytes isolated from the left atria in the four groups, respectively. In the DM group, increased Ica,L and decreased INa currents were reflected in prolonged APD90 and APD50 values. These changes were reversed in the DM-P group. In conclusion, probucol cured AF by alleviating the ion channel remodeling of atrial myocytes in the setting of diabetes and the promising therapeutic potential of anti-oxidative compounds in the treatment of AF warrants further study. PMID- 27863382 TI - An early-screening biomarker of endometrial carcinoma: NGAL is associated with epithelio-mesenchymal transition. AB - Neutrophil gelatinase-associated lipocalin is currently one of the most interesting and enigmatic proteins involved in the development of malignancies. In this study, we found that the expression of neutrophil gelatinase-associated lipocalin was up-regulated in endometrial cancer tissues and cell lines, significantly increased in early-grade ones, suggesting it may serve as a biomarker for early-stage screening for endometrial carcinoma. Moreover, neutrophil gelatinase-associated lipocalin was up-regulated in Ishikawa cells under going epithelio-mesenchymal transition induced by epidermal growth factor (5 ng/ml). Up-regulation of neutrophil gelatinase-associated lipocalin may correlate with the down-regulation of E-cadherin expression, up-regulation of Vimentin expression, enhanced cell migration, invasion and proliferation, which are the typical hallmarks of epithelio-mesenchymal transition processes. Neutrophil gelatinase-associated lipocalin may play a dual role during tumorigenetic and developmental processes of endometrial carcinoma. These results suggested neutrophil gelatinase-associated lipocalin to be a potential molecular target in the early diagnosis and treatment of endometrial carcinoma. Further studies are warranted to clarify the molecular mechanisms behind the expression and function of neutrophil gelatinase-associated lipocalin and epithelio mesenchymal transition. PMID- 27863383 TI - Adipocytes secreted leptin is a pro-tumor factor for survival of multiple myeloma under chemotherapy. AB - Accumulating evidences have shown that adipokines secreted from adipocytes contributes to tumor development, especially leptin. However, underlying mechanisms remain unclear. This study aims to explore the effect of leptin on development and chemoresistance in multiple myeloma cells and the potential mechanism. Analysis of levels of adipokines including leptin and adiponectin in 28 multiple myeloma patients identified significantly higher leptin compared with 28 normal controls(P < 0.05), and leptin level was positively correlated with clinical stage, IgG, ER, and beta2MG. Next, by using co-culture system of myeloma and adipocytes, and pharmacologic enhancement of leptin, we found that increased growth of myeloma cells and reduced toxicity of bortezomib were best observed at 50 ng/ml of leptin, along with increased expression of cyclinD1, Bcl-2 and decreased caspase-3 expression. We also found that phosphorylated AKT and STAT3 but not the proteins expression reached peak after 1h and 6h treatment of leptin, respectively. By using AG490, an agent blocking the phosphorylation of AKT and ERK, the proliferation of myeloma cells was inhibited, as well as the phosphorylation of AKT and STAT3, even adding leptin. Taken together, our study demonstrated that up-regulated leptin could stimulate proliferation of myeloma and reduce the anti-tumor effect of chemotherapy possibly via activating AKT and STAT3 pathways, and leptin might be one of the potential therapeutic targets for treating myeloma. PMID- 27863385 TI - Gli1 promotes colorectal cancer metastasis in a Foxm1-dependent manner by activating EMT and PI3K-AKT signaling. AB - Colorectal cancer(CRC) is one of the most commonly diagnosed cancers in human beings and metastasis is the main death reason. Recently, Gli1 has been reported to be a key regulator of various cancer biologies and genes expressions. However, the detailed molecular mechanism of Gli1 in CRC metastasis remains largely unknown. In this study, we aimed to investigate the role of Gli1 in CRC metastasis. We used qRT-PCR, Immunohistochemistry and Western blot to test the expression levels of Gli1, Foxm1 and other target genes in the tissues and cells; Lentivirus stable transfection to change the expression levels of Gli1 and Foxm1; Wound-healing, cell invasion, migration assays and tail vein metastatic assay to test the role of Gli1 in CRC metastasis in vitro and vivo. We demonstrated that Gli1 was significantly overexpressed in colorectal cancer tissues and cells. Foxm1 level had a positive correlation with Gli1. Furthermore, we found that Gli1 promotes colorectal cancer cells metastasis in a Foxm1-dependent manner by activating EMT and PI3K-AKT signaling. Thus, we proved that Gli1 plays important role in CRC metastasis and provided a new visual field on the therapy of CRC metastasis. PMID- 27863384 TI - A novel highly potent trivalent TGF-beta receptor trap inhibits early-stage tumorigenesis and tumor cell invasion in murine Pten-deficient prostate glands. AB - The effects of transforming growth factor beta (TGF-beta) signaling on prostate tumorigenesis has been shown to be strongly dependent on the stage of development, with TGF-beta functioning as a tumor suppressor in early stages of disease and as a promoter in later stages. To study in further detail the paradoxical tumor-suppressive and tumor-promoting roles of the TGF-beta pathway, we investigated the effect of systemic treatment with a TGF-beta inhibitor on early stages of prostate tumorigenesis. To ensure effective inhibition, we developed and employed a novel trivalent TGF-beta receptor trap, RER, comprised of domains derived from the TGF-beta type II and type III receptors. This trap was shown to completely block TbetaRII binding, to antagonize TGF-beta1 and TGF beta3 signaling in cultured epithelial cells at low picomolar concentrations, and it showed equal or better anti-TGF-beta activities than a pan TGF-beta neutralizing antibody and a TGF-beta receptor I kinase inhibitor in various prostate cancer cell lines. Systemic administration of RER inhibited prostate tumor cell proliferation as indicated by reduced Ki67 positive cells and invasion potential of tumor cells in high grade prostatic intraepithelial neoplasia (PIN) lesions in the prostate glands of Pten conditional null mice. These results provide evidence that TGF-beta acts as a promoter rather than a suppressor in the relatively early stages of this spontaneous prostate tumorigenesis model. Thus, inhibition of TGF-beta signaling in early stages of prostate cancer may be a novel therapeutic strategy to inhibit the progression as well as the metastatic potential in patients with prostate cancer. PMID- 27863386 TI - Prognostic and diagnostic potential of isocitrate dehydrogenase 1 in esophageal squamous cell carcinoma. AB - We aimed to investigate the pattern of expression and clinical significance of isocitrate dehydrogenase 1(IDH1) in esophageal squamous cell carcinoma (ESCC). The IDH1 expression was determined by quantitative real-time polymerase chain reaction, immunohistochemistry, and Western blot analysis using 38 pairs of frozen tissues. Enzyme-linked immunosorbent assay was employed to measure 67 pairs of serum samples from patients and their controls to evaluate its diagnostic value. Immunohistochemistry analysis of 111 formalin-fixed paraffin embedded tissue samples was conducted for explaining its prognostic value. After shRNA transfection, CCK8 and clonal efficiency assays were carried on for verifying the function of IDH1 in vitro. Increased expression at mRNA (P < 0.001) and protein levels (immunohistochemistry: P < 0.001, Western blot analysis: P < 0.001) were observed. Similarly, the IDH1 expression in serum from patients with ESCC was significantly upregulated relative to that from healthy controls (P < 0.001). Kaplan-Meier curve indicated that IDH1 upregulation predicted worse overall survival (OS) and progression-free survival (PFS). Univariate and multivariate analyses identified IDH1 expression as an independent prognostic factor for OS and PFS. Furthermore, OD450 values and colony numbers were decreased in sh-IDH1 groups (all P < 0.05). In conclusion, IDH1 is upregulated in patients with ESCC and can be used as a good potential biomarker for diagnosis and prognosis. PMID- 27863387 TI - Aberrant overexpression of ADAR1 promotes gastric cancer progression by activating mTOR/p70S6K signaling. AB - ADAR1, one of adenosine deaminases acting on RNA, modulates RNA transcripts through converting adenosine (A) to inosine (I) by deamination. Emerging evidence has implicated that ADAR1 plays an important role in a few of human cancers, however, its expression and physiological significance in gastric cancer remain undefined. In the present study, we demonstrated that ADAR1 was frequently overexpressed in gastric cancer samples by quantitative real-time PCR analysis. In a gastric cancer tissue microarray, ADAR1 staining was closely correlated with tumor stage (P < 0.001) and N classification (P < 0.001). Functional analysis indicated that ADAR1 overexpression promoted cell proliferation and migration in vitro, whereas ADAR1 knockdown resulted in an opposite phenotypes. Furthermore, ADAR1 knockdown also inhibited tumorigenicity and lung metastasis potential of gastric cancer cells in nude mice models. Mechanistically, ADAR1 expression had a significant effect on phosphorylation level of mTOR, p70S kinase, and S6 ribosomal protein, implying its involvement in the regulation of mTOR signaling pathway. We conclude that ADAR1 contributes to gastric cancer development and progression via activating mTOR/p70S6K/S6 ribosomal protein signaling axis. Our findings suggest that ADAR1 may be a valuable biomarker for GC diagnosis and prognosis and may represent a new novel therapeutic opportunities. PMID- 27863388 TI - Comprehensive analysis of aberrantly expressed profiles of lncRNAs and miRNAs with associated ceRNA network in muscle-invasive bladder cancer. AB - Although initially thought to be transcriptional noise, long noncoding RNAs (lncRNAs) are gaining increased attention in human cancers as its diversity function. At present, lncRNAs are regarded as the main part of competing endogenous RNA (ceRNA) network due to its regulation on protein-coding gene expression by acting as miRNA sponges. However, functional roles of lncRNA mediated ceRNAs in muscle-invasive bladder cancer remain unclear. To clarify relevant potential mechanisms, here we comprehensively compared the expression profiles of mRNAs, lncRNAs and miRNAs between 322 muscle-invasive bladder cancer tissues and 19 non-tumor bladder tissues, based on the Cancer Genome Atlas (TCGA). A total of 22 lncRNAs were identified as aberrantly expressed and had correlations with tumorigenesis and/or progression of muscle-invasive bladder cancer (|log2FoldChange| > 1.5, corrected P value < 0.01). 6 out of the 22 dysregulated lncRNAs functioned as prognostic biomarkers for patients with muscle invasive bladder cancer according to the overall survival analysis (P value < 0.05). Finally, a dysregulated lncRNA-associated ceRNA network was successfully constructed, which inculdes five muscle-invasive bladder cancer-specific lncRNAs, nine miRNAs and 32 mRNAs. In summary, our study identified novel lncRNAs as candidate prognostic biomarkers and potential therapeutic targets for muscle invasive bladder cancer, based on large-scale sample size. More importantly, the newly identified ceRNA network will be beneficial for improving the understanding of lncRNA-mediated ceRNA regulatory mechanisms in the pathogenesis of muscle invasive bladder cancer. PMID- 27863389 TI - NT1721, a novel epidithiodiketopiperazine, exhibits potent in vitro and in vivo efficacy against acute myeloid leukemia. AB - Acute myeloid leukemia (AML) is an aggressive malignancy characterized by heterogeneous genetic and epigenetic changes in hematopoietic progenitors that lead to abnormal self-renewal and proliferation. Despite high initial remission rates, prognosis remains poor for most AML patients, especially for those harboring internal tandem duplication (ITD) mutations in the fms-related tyrosine kinase-3 (FLT3). Here, we report that a novel epidithiodiketopiperazine, NT1721, potently decreased the cell viability of FLT3-ITD+ AML cell lines, displaying IC50 values in the low nanomolar range, while leaving normal CD34+ bone marrow cells largely unaffected. The IC50 values for NT1721 were significantly lower than those for clinically used AML drugs (i.e. cytarabine, sorafenib) in all tested AML cell lines regardless of their FLT3 mutation status. Moreover, combinations of NT1721 with sorafenib or cytarabine showed better antileukemic effects than the single agents in vitro. Combining cytarabine with NT1721 also attenuated the cytarabine-induced FLT3 ligand surge that has been linked to resistance to tyrosine kinase inhibitors. Mechanistically, NT1721 depleted DNA methyltransferase 1 (DNMT1) protein levels, leading to the re-expression of silenced tumor suppressor genes and apoptosis induction. NT1721 concomitantly decreased the expression of EZH2 and BMI1, two genes that are associated with the maintenance of leukemic stem/progenitor cells. In a systemic FLT3-ITD+ AML mouse model, treatment with NT1721 reduced tumor burdens by > 95% compared to the control and significantly increased survival times. Taken together, our results suggest that NT1721 may represent a promising novel agent for the treatment of AML. PMID- 27863390 TI - Suppression of hepatic stellate cell activation through downregulation of gremlin1 expression by the miR-23b/27b cluster. AB - The imbalance between transforming growth factor beta and bone morphogenetic protein 7 signaling pathways is a critical step in promoting hepatic stellate cell activation during hepatic fibrogenesis. Gremlin1 may impair the balance. Something remains unclear about the regulatory mechanisms of gremlin1 action on hepatic stellate cell activation and hepatic fibrosis. In the current study, gremlin1 overexpression promotes activation of hepatic stellate cells. Knockdown of gremlin1 with siRNAs suppresses hepatic stellate cell activation and attenuates hepatic fibrosis in rat model. Our results also show that miR-23b/27b cluster members bind to 3'-untranslated region of gremlin1 resulting in reduction of transforming growth factor beta, alpha-smooth muscle actin and collagenI alpha1/2 gene expression. Our findings suggest that gremlin1 promotes hepatic stellate cell activation and hepatic fibrogenesis through impairment of the balance between transforming growth factor beta and bone morphogenetic protein 7 signaling pathways. The miR-23b/27b cluster suppresses activation of hepatic stellate cells through binding gremlin1 to rectify the imbalance. PMID- 27863391 TI - Nordihydroguaiaretic acid impairs prostate cancer cell migration and tumor metastasis by suppressing neuropilin 1. AB - Tumor metastasis is a major cause leading to the deaths of cancer patients. Nordihydroguaiaretic acid (NDGA) is a natural product that has been demonstrated to show therapeutic values in multiple diseases. In this study, we report that NDGA can inhibit cell migration and tumor metastasis via a novel mechanism. NDGA suppresses NRP1 function by downregulating its expression, which leads to attenuated cell motility, cell adhesion to ECM and FAK signaling in cancer cells. Moreover, due to its cross-cell type activity on NRP1 suppression, NDGA also impairs angiogenesis function of endothelial cells and fibronectin assembly by fibroblasts, both of which are critical to promote metastasis. Based on these comprehensive effects, NDGA effectively suppresses tumor metastasis in nude mice model. Our findings reveal a novel mechanism underlying the anti-metastasis function of NDGA and indicate the potential value of NDGA in NRP1 targeting therapy for selected subtypes of cancer. PMID- 27863392 TI - Discovery of BPR1K871, a quinazoline based, multi-kinase inhibitor for the treatment of AML and solid tumors: Rational design, synthesis, in vitro and in vivo evaluation. AB - The design and synthesis of a quinazoline-based, multi-kinase inhibitor for the treatment of acute myeloid leukemia (AML) and other malignancies is reported. Based on the previously reported furanopyrimidine 3, quinazoline core containing lead 4 was synthesized and found to impart dual FLT3/AURKA inhibition (IC50 = 127/5 nM), as well as improved physicochemical properties. A detailed structure activity relationship study of the lead 4 allowed FLT3 and AURKA inhibition to be finely tuned, resulting in AURKA selective (5 and 7; 100-fold selective over FLT3), FLT3 selective (13; 30-fold selective over AURKA) and dual FLT3/AURKA selective (BPR1K871; IC50 = 19/22 nM) agents. BPR1K871 showed potent anti proliferative activities in MOLM-13 and MV4-11 AML cells (EC50 ~ 5 nM). Moreover, kinase profiling and cell-line profiling revealed BPR1K871 to be a potential multi-kinase inhibitor. Functional studies using western blot and DNA content analysis in MV4-11 and HCT-116 cell lines revealed FLT3 and AURKA/B target modulation inside the cells. In vivo efficacy in AML xenograft models (MOLM-13 and MV4-11), as well as in solid tumor models (COLO205 and Mia-PaCa2), led to the selection of BPR1K871 as a preclinical development candidate for anti-cancer therapy. Further detailed studies could help to investigate the full potential of BPR1K871 as a multi-kinase inhibitor. PMID- 27863393 TI - A promoter polymorphism in APJ gene is significantly associated with blood pressure changes and hypertension risk in Chinese women. AB - The aim of this study was to interrogate the gender-specific association of 5 well-defined polymorphisms in apelin/APJ system with both blood pressure changes and hypertension risk in a northeastern Chinese population. This is a population based case-control study, including 650 hypertensive patients and 645 normotensive controls. Data were analyzed by STATA and Haplo.Stats. The genotype distributions of 5 study polymorphisms were in Hardy-Weinberg equilibrium in both genders. The rs7119375 and rs10501367 were completely linked. The genotypes (P = 0.001) and alleles (P < 0.001) of rs7119375 differed significantly between patients and controls in women. Carriers of rs7119375-AA genotype had significant higher systolic blood pressure (SBP) than carriers of rs7119375-GG genotype in both patients and controls of female gender (P < 0.01). Moreover, carriers of rs7119375-A allele were 1.80 times more likely to develop hypertension relative to carriers of rs7119375-GG genotype after adjusting for age, body mass index and glucose (odds ratio: 1.80; 95% confidence interval: 1.03-3.16; P= 0.040). Further allele combination analysis supported the leading contribution of rs7119375 to hypertension risk. Our findings demonstrated that the mutation of promoter polymorphism rs7119375 in APJ gene was significantly associated with elevated SBP and increased hypertension risk in Chinese women. PMID- 27863394 TI - MDA-9/Syntenin (SDCBP) modulates small GTPases RhoA and Cdc42 via transforming growth factor beta1 to enhance epithelial-mesenchymal transition in breast cancer. AB - Epithelial-mesenchymal transition (EMT) is one of the decisive steps regulating cancer invasion and metastasis. However, the molecular mechanisms underlying this transition require further clarification. MDA-9/syntenin (SDCBP) expression is elevated in breast cancer patient samples as well as cultured breast cancer cells. Silencing expression of MDA-9 in mesenchymal metastatic breast cancer cells triggered a change in cell morphology in both 2D- and 3D-cultures to a more epithelial-like phenotype, along with changes in EMT markers, cytoskeletal rearrangement and decreased invasion. Conversely, over expressing MDA-9 in epithelial non-metastatic breast cancer cells instigated a change in morphology to a more mesenchymal phenotype with corresponding changes in EMT markers, cytoskeletal rearrangement and an increase in invasion. We also found that MDA-9 upregulated active levels of known modulators of EMT, the small GTPases RhoA and Cdc42, via TGFbeta1. Reintroducing TGFbeta1 in MDA-9 silenced cells restored active RhoA and cdc42 levels, modulated cytoskeletal rearrangement and increased invasion. We further determined that MDA-9 interacts with TGFbeta1 via its PDZ1 domain. Finally, in vivo studies demonstrated that silencing the expression of MDA-9 resulted in decreased lung metastasis and TGFbeta1 re-expression partially restored lung metastases. Our findings provide evidence for the relevance of MDA 9 in mediating EMT in breast cancer and support the potential of MDA-9 as a therapeutic target against metastatic disease. PMID- 27863395 TI - High cord blood CCL22/CXCL10 chemokine ratios precede allergic sensitization in early childhood. AB - Atopic diseases are known to be characterized by a T helper (Th) 2-skewed immunity; however, there are few studies addressing the Th1/Th2 immunity at birth related to the development of atopic diseases in early childhood. We investigated 186 children followed up regularly at the clinic for 4 years in a birth cohort study. The Th1-associated CXC chemokine ligand (CXCL)-10, CXCL11, and the Th2 associated CC chemokine ligand (CCL)-17 and CCL22 were quantified in cord blood by multiplex Luminex kits. Specific immunoglobulin E antibodies against food and inhalant allergens were measured at 6 months as well as 1, 1.5, 2, 3, and 4 years of age. Cord blood CCL22 levels were positively associated with IgE sensitization at age 2, whereas cord blood CXCL10 levels were negatively associated with mite sensitization at age 3. Furthermore, a high cord blood CCL22/CXCL10 chemokine ratio was significantly associated with a higher risk of allergic sensitization at age 3 (OR, 1.02; 95% confidence interval [CI], 1.005-1.039; P = 0.012). However, cord blood Th1- and Th2-associated chemokines and their ratios were not associated with atopic diseases at different age. Our study indicates that a Th2 skewed immunity at birth may increase risk of allergic sensitization but not of allergic outcomes later in life. PMID- 27863396 TI - P2rx4 deficiency in mice alleviates allergen-induced airway inflammation. AB - Compelling evidences point out a crucial role for extracellular nucleotides such as adenosine triphosphate (ATP) during inflammatory conditions. Once released into the extracellular space, ATP modulates migration, maturation and function of various inflammatory cells via activating of purinergic receptors of the P2Y- and P2X- family. P2RX4 is an ATP-guided ion channel expressed on structural cells such as alveolar epithelial and smooth muscle cells as well as inflammatory cells including macrophages, dendritic cells (DCs) and T cells. P2RX4 has been shown to interact with P2RX7 and promote NLRP3 inflammasome activation. Although P2RX7 has already been implicated in allergic asthma, the role of P2RX4 in airway inflammation has not been elucidated yet. Therefore, we used a selective pharmacological antagonist and genetic ablation to investigate the role of P2RX4 in an ovalbumin (OVA) driven model of allergen-induced airway inflammation (AAI). Both, P2RX4 antagonist 5-BDBD treatment and P2rx4 deficiency resulted in an alleviated broncho alveolar lavage fluid eosinophilia, peribronchial inflammation, Th2 cytokine production and bronchial hyperresponsiveness. Furthermore, P2rx4-deficient bone marrow derived DCs (BMDCs) showed a reduced IL 1beta production in response to ATP accompanied by a decreased P2rx7 expression and attenuated Th2 priming capacity compared to wild type (WT) BMDCs in vitro. Moreover, mice adoptively transferred with P2rx4-deficient BMDCs exhibit a diminished AAI in vivo. In conclusion our data suggests that P2RX4-signaling contributes to AAI pathogenesis by regulating DC mediated Th2 cell priming via modulating IL-1beta secretion and selective P2RX4-antagonists might be a new therapeutic option for allergic asthma. PMID- 27863398 TI - Unique epigenetic gene profiles define human breast cancers with poor prognosis. AB - Epigenetic enzymes are at the nexus of cellular regulatory cascades and can drive cancer-specific deregulation at all stages of the oncogenic process, yet little is known about their prognostic value in human patients. Here, we used qRT-PCR to profile at high resolution the expression of fifty-five epigenetic genes in over one hundred human breast cancer samples and patient-matched benign tissues. We correlated expression patterns with clinical and histological parameters and validated our findings in two independent large patient cohorts (TCGA and METABRIC). We found that human breast malignancies have unique epigenetic profiles and cluster into epigenetic subgroups. A subset of epigenetic genes defined an Epigenetic Signature as an independent predictor of patient survival that outperforms triple negative status and other clinical variables. Our results also suggest that breast cancer grade, but not stage, is driven by transcriptional alterations of epigenetic modifiers. Overall, this study uncovers the presence of epigenetic subtypes within human mammary malignancies and identifies tumor subgroups with specific pharmacologically targetable epigenetic susceptibilities not yet therapeutically exploited. PMID- 27863397 TI - Targeting GLI by GANT61 involves mechanisms dependent on inhibition of both transcription and DNA licensing. AB - The GLI genes are transcription factors and in cancers are oncogenes, aberrantly and constitutively activated. GANT61, a specific GLI inhibitor, has induced extensive cytotoxicity in human models of colon cancer. The FOXM1 promoter was determined to be a transcriptional target of GLI1. In HT29 cells, inhibition of GLI1 binding at the GLI consensus sequence by GANT61 led to inhibited binding of Pol II, the pause-release factors DSIF, NELF and p-TEFb. The formation of R-loops (RNA:DNA hybrids, ssDNA), were reduced by GANT61 at the FOXM1 promoter. Pretreatment of HT29 cells with alpha-amanitin reduced GANT61-induced gammaH2AX foci. Co-localization of GLI1 and BrdU foci, inhibited by GANT61, indicated GLI1 and DNA replication to be linked. By co-immunoprecipitation and confocal microscopy, GLI1 co-localized with the DNA licensing factors ORC4, CDT1, and MCM2. Significant co-localization of GLI1 and ORC4 was inhibited by GANT61, and enrichment of ORC4 occurred at the GLI binding site in the FOXM1 promoter. CDT1 was found to be a transcription target of GLI1. Overexpression of CDT1 in HT29 and SW480 cells reduced GANT61-induced cell death, gH2AX foci, and cleavage of caspase-3. Data demonstrate involvement of transcription and of DNA replication licensing factors by non-transcriptional and transcriptional mechanisms in the GLI-dependent mechanism of action of GANT61. PMID- 27863399 TI - Different non-synonymous polymorphisms modulate the interaction of the WRN protein to its protein partners and its enzymatic activities. AB - Werner syndrome (WS) is characterized by the premature onset of several age associated pathologies including cancer. The protein defective in WS patients (WRN) is a helicase/exonuclease involved in DNA replication and repair. Here, we present the results of a large-scale proteome analysis that has been undertaken to determine protein partners of different polymorphic WRN proteins found with relatively high prevalence in the human population. We expressed different fluorescently tagged-WRN (eYFP-WRN) variants in human 293 embryonic kidney cells (HEK293) and used a combination of affinity-purification and mass spectrometry to identify different compositions of WRN-associated protein complexes. We found that a WRN variant containing a phenylalanine residue at position 1074 and an arginine at position 1367 (eYFP-WRN(F-R)) possesses more affinity for DNA-PKc, KU86, KU70, and PARP1 than a variant containing a leucine at position 1074 and a cysteine at position 1367 (eYFP-WRN(L-C)). Such results were confirmed in a WRN deficient background using WS fibroblasts. Interestingly, the exonuclase activity of WRN recovered from immunoprecipitated eYFP-WRN(L-C) variant was lower than the eYFP-WRN(F-R) in WS cells. Finally, HEK293 cells and WS fibroblasts overexpressing the eYFP-WRN(F-R) variant were more resistant to the benzene metabolite hydroquinone than cells expressing the eYFP-WRN(L-C) variant. These results indicate that the protein-protein interaction landscape of WRN is subject to modulation by polymorphic amino acids, a characteristic associated with distinctive cell survival outcome. PMID- 27863400 TI - Differentiated regulation of immune-response related genes between LUAD and LUSC subtypes of lung cancers. AB - Lung squamous cell carcinoma (LUSC) and lung adenocarcinoma (LUAD) are the two major subtypes of lung cancer, with LUSC exhibits faster progression rate than LUAD. To investigate the roles of immune-response related genes (IRGs) in lung cancer progression, we used LUAD and LUSC samples at different cancer progression stages, and identified that the expression profiles of IRGs could serve as a better classification marker for cancerous tissues of both LUAD and LUSC. We found that the expression changes of IRGs were different between LUAD and LUSC. Cell cycle promoting genes, including KIFs and proteasomes, showed faster up regulation in LUSC, whereas immune response promoting genes, including MHC molecules and chemokines, were more rapidly repressed in LUSC. Comparative pathway analysis revealed that members of the Toll-like receptor and T cell receptor signaling pathways exhibited diverged expression changes between LUAD and LUSC, especially at the early cancer stages. Our results revealed the difference of LUAD and LUSC from the immune response point of view, and provided new clues for the differential treatment of LUAD and LUSC. PMID- 27863402 TI - A fully human anti-CD47 blocking antibody with therapeutic potential for cancer. AB - CD47/SIRPalpha interaction serves as an immune checkpoint for macrophage-mediated phagocytosis. Mouse anti-CD47 blocking antibodies had demonstrated potent efficacy in the treatment of both leukemic and solid tumors in preclinical experimentations, and therefore had moved forward rapidly into clinical trials. However, a fully human blocking antibody, which meets clinical purpose better, has not been reported for CD47 up to date. In this study, we reported the isolation of a fully human anti-CD47 blocking antibody, ZF1, from a phage display library. ZF1 displayed high specificity and affinity for CD47 protein, which were comparable to those for humanized anti-CD47 blocking antibody B6H12. Importantly, ZF1 treatment could induce robust, or even stronger than B6H12, phagocytosis of leukemic cancer cells by macrophage in vitro, and protect BALB/c nude mice from cancer killing by engrafted leukemic cells (CCRF and U937) to a similar extent as B6H12 did. Thus, these data provide primary early pre-clinical support for the development of ZF1 as a fully human blocking antibody to treat human leukemia by targeting CD47 molecule. PMID- 27863401 TI - Isoliquiritigenin decreases the incidence of colitis-associated colorectal cancer by modulating the intestinal microbiota. AB - Imbalances in intestinal bacteria correlate with colitis-associated colorectal cancer (CAC). Traditional Chinese medicines have been used to adjust the gut microbiota, and isoliquiritigenin (ISL), a flavonoid extracted from licorice, has shown antitumor efficacy. In this study, the effects of ISL on CAC development and the gut microbiota were evaluated using an azoxymethane and dextran sulphate sodium (AOM/DSS)-induced mouse model of CAC (CACM). Histopathological analysis suggested that ISL reduced tumor incidence in vivo. Moreover, high-throughput sequencing and terminal restriction fragment length polymorphism (T-RFLP) studies of the bacterial 16S rRNA gene revealed that the structure of the gut microbial community shifted significantly following AOM/DSS treatment, and that effect was alleviated by treatment with high-dose ISL (150 mg/kg). Compared to the microbiota in the control mice (CK), the levels of Bacteroidetes decreased and the levels of Firmicutes increased during CAC development. ISL reversed the imbalance at the phylum level and altered the familial constituents of the gut microbiota. Specifically, the abundance of Helicobacteraceae increased after treatment with high-dose ISL, while the abundance of Lachnospiraceae and Rikenellaceae decreased. At the genus level, ISL reduced the abundance of opportunistic pathogens (Escherichia and Enterococcus), and increased the levels of probiotics, particularly butyrate-producing bacteria (Butyricicoccus, Clostridium, and Ruminococcus). Thus, ISL protects mice from AOM/DSS-induced CAC, and ISL and the gut microbiota may have synergistic anti-cancer effects. PMID- 27863403 TI - Enumeration and targeted analysis of KRAS, BRAF and PIK3CA mutations in CTCs captured by a label-free platform: Comparison to ctDNA and tissue in metastatic colorectal cancer. AB - Treatment of advanced colorectal cancer (CRC) requires multimodal therapeutic approaches and need for monitoring tumor plasticity. Liquid biopsy biomarkers, including CTCs and ctDNA, hold promise for evaluating treatment response in real time and guiding therapeutic modifications. From 15 patients with advanced CRC undergoing liver metastasectomy with curative intent, we collected 41 blood samples at different time points before and after surgery for CTC isolation and quantification using label-free Vortex technology. For mutational profiling, KRAS, BRAF, and PIK3CA hotspot mutations were analyzed in CTCs and ctDNA from 23 samples, nine matched liver metastases and three primary tumor samples. Mutational patterns were compared. 80% of patient blood samples were positive for CTCs, using a healthy baseline value as threshold (0.4 CTCs/mL), and 81.4% of captured cells were EpCAM+ CTCs. At least one mutation was detected in 78% of our blood samples. Among 23 matched CTC and ctDNA samples, we found a concordance of 78.2% for KRAS, 73.9% for BRAF and 91.3% for PIK3CA mutations. In several cases, CTCs exhibited a mutation that was not detected in ctDNA, and vice versa. Complementary assessment of both CTCs and ctDNA appears advantageous to assess dynamic tumor profiles. PMID- 27863404 TI - Kallikrein-related peptidase 6 induces chemotherapeutic resistance by attenuating auranofin-induced cell death through activation of autophagy in gastric cancer. AB - Kallikrein-related peptidase 6 (KLK6) is a biomarker of gastric cancer associated with poor prognosis. Mechanisms by which KLK6 could be exploited for chemotherapeutic use are unclear. We evaluated auranofin (AF), a compound with cytotoxic effects, in KLK6-deficient cells, and we investigated whether KLK6 expression induces autophagy and acquisition of drug resistance in gastric cancer. Using cultured human cells and a mouse xenograft model, we investigated how KLK6 affects antitumor-reagent-induced cell death and autophagy. Expression levels of KLK6, p53, and autophagy marker LC3B were determined in gastric cancer tissues. We analyzed the effects of knockdown/overexpression of KLK6, LC3B, and p53 on AF-induced cell death in cancer cells. Increased KLK6 expression in human gastric cancer tissues and cells inhibited AF-induced cell motility due to increased autophagy and p53 levels. p53 dependent induction of KLK6 expression increased autophagy and drug resistance, whereas KLK6 silencing decreased the autophagy level and increased drug sensitivity. During AF-induced cell death, KLK6 and LC3B colocalized to autophagosomes, associated with p53, and were then trafficked to the cytosol. In the xenograft model of gastric cancer, KLK6 expression decreased AF-induced cell death and KLK6-induced autophagy increased AF resistance. Taken together, the data suggest that the induction of autophagic processes through KLK6 expression may increase acquisition of resistance to AF. Our findings may contribute to a new paradigm for tumor therapeutics. PMID- 27863405 TI - Identification of evolutionarily conserved DNA damage response genes that alter sensitivity to cisplatin. AB - Ovarian, head and neck, and other cancers are commonly treated with cisplatin and other DNA damaging cytotoxic agents. Altered DNA damage response (DDR) contributes to resistance of these tumors to chemotherapies, some targeted therapies, and radiation. DDR involves multiple protein complexes and signaling pathways, some of which are evolutionarily ancient and involve protein orthologs conserved from yeast to humans. To identify new regulators of cisplatin resistance in human tumors, we integrated high throughput and curated datasets describing yeast genes that regulate sensitivity to cisplatin and/or ionizing radiation. Next, we clustered highly validated genes based on chemogenomic profiling, and then mapped orthologs of these genes in expanded genomic networks for multiple metazoans, including humans. This approach identified an enriched candidate set of genes involved in the regulation of resistance to radiation and/or cisplatin in humans. Direct functional assessment of selected candidate genes using RNA interference confirmed their activity in influencing cisplatin resistance, degree of gammaH2AX focus formation and ATR phosphorylation, in ovarian and head and neck cancer cell lines, suggesting impaired DDR signaling as the driving mechanism. This work enlarges the set of genes that may contribute to chemotherapy resistance and provides a new contextual resource for interpreting next generation sequencing (NGS) genomic profiling of tumors. PMID- 27863406 TI - STC2 promotes head and neck squamous cell carcinoma metastasis through modulating the PI3K/AKT/Snail signaling. AB - The mammalian peptide hormone stanniocalcin 2 (STC2) plays an oncogenic role in many human cancers. However, the exact function of STC2 in human head and neck squamous cell carcinoma (HNSCC) is unclear. We aimed to examine the function and clinical significance of STC2 in HNSCC. Using in vitro and in vivo assays, we show that overexpression of STC2 suppressed cell apoptosis, promoted cell proliferation, migration, invasion, and cell cycle arrest at the G1/S transition. By contrast, silencing of STC2 inhibited these activities. We further show that STC2 upregulated the phosphorylation of AKT and enhanced HNSCC metastasis via Snail-mediated increase of vimentin and decrease of E-cadherin. These responses were blocked by silencing of STC2/Snail expression or inhibition of pAKT activity. Furthermore, clinical data indicate that high STC2 expression was associated with high levels of pAKT and Snail in tumor samples from HNSCC patients with regional lymph node metastasis (P < 0.01). Thus, we conclude that STC2 controls HNSCC metastasis via the PI3K/AKT/Snail signaling axis and that targeted therapy against STC2 may be a novel strategy to effectively treat patients with metastatic HNSCC. PMID- 27863407 TI - Induction of mitochondria-mediated apoptosis and PI3K/Akt/ mTOR-mediated autophagy by aflatoxin B2 in hepatocytes of broilers. AB - Aflatoxins have been shown to induce hepatotoxicity in animal models, but the effects of aflatoxin B2 (AFB2) on broiler hepatocytes is unclear. This study aimed to investigate the effects of AFB2 on apoptosis and autophagy to provide an experimental basis for understanding the mechanism of aflatoxin-induced hepatotoxicity. One hundred-twenty Cobb500 broilers were allocated to four groups and exposed to 0 mg/kg, 0.2 mg/kg, 0.4 mg/kg, and 0.8 mg/kg of AFB2 per day for 21 d. AFB2 exerted potent proapoptotic and proautophagic effects on hepatocytes, with increased numbers of apoptotic and autophagic hepatocytes.Poly ADP-ribose polymerase (PARP) was cleaved and caspase-3 was activated in experimental groups, showing that the apoptosis of hepatocytes was triggered by AFB2. Increased levels of the autophagy factors Beclin-1 and LC3-II/LC3-I, as well as down-regulation of p62, a marker of autophagic flux, provided additional evidence for AFB2-triggered autophagy. AFB2 induced mitochondria-mediated apoptosis via the production of reactive oxygen species (ROS) and promotion of the translocation of Bax and cytochrome c (cyt c) between mitochondria and the cytosol, triggering the formation of apoptosomes. AFB2 also inhibited the phosphoinositide 3 kinase/Akt/mammalian target of rapamycin (PI3K/Akt/mTOR) pathway by activating PI3K, Akt, and mTOR and inhibiting their phosphorylation, contributing to the proautophagic activity of AFB2. These findings provide new insights into the mechanisms involved in AFB2-induced hepatotoxicity in broilers. PMID- 27863408 TI - An 8-gene signature for prediction of prognosis and chemoresponse in non-small cell lung cancer. AB - Identification of a potential gene signature for improved diagnosis in non-small cell lung cancer (NSCLC) patient is necessary. Here, we aim to establish and validate the prognostic efficacy of a gene set that can predict prognosis and benefits of adjuvant chemotherapy (ACT) in NSCLC patients from various ethnicities. An 8-gene signature was calculated from the gene expression of 181 patients using univariate Cox proportional hazard regression analysis. The prognostic value of the signature was robustly validated in 1,477 patients from five microarray independent data sets and one RNA-seq data set. The 8-gene signature was identified as an independent predictor of patient survival in the presence of clinical parameters in univariate and multivariate analyses [hazard ratio (HR): 2.84, 95% confidence interval CI (1.74-4.65), p=3.06e-05, [HR] 2.62, 95% CI (1.51-4.53), p=0.001], respectively. Subset analysis demonstrated that the 8-gene signature could identify high-risk patients in stage II-III with improved survival from ACT [(HR) 1.47, 95% CI (1.01-2.14), p=0.044]. The 8-gene signature also stratified risk groups in EGFR-mutated and wild-type patients. In conclusion, the 8-gene signature is a strong and independent predictor that can significantly stratify patients into low- and high-risk groups. Our gene signature also has the potential to predict patients in stage II-III that are likely to benefit from ACT. PMID- 27863410 TI - Elevated expression of STIM1 is involved in lung tumorigenesis. AB - This study aimed to address the potential role of STIM1 (stromal interaction molecule 1) in lung tumorigenesis. Colony formation in soft agar assay and tumorigenicity in nude mice assay were conducted. Western blot, immunohistochemistry and quantitative real-time polymerase chain reaction were used to measure the STIM1 expression. The distribution of cell cycle was detected by flow cytometry assay. Our results showed that the expression of STIM1 mRNA was significantly higher in human lung tumors than that in adjacent non-neoplastic lung tissues. Significantly increased expression of STIM1 mRNA and protein was observed in 16HBE-benzo(a)pyrene (BaP) cells and in BaP-treated mice lung tissues compared with 16HBE-control cells and the control group, respectively. Silencing STIM1 inhibited the proliferation and colony formation of A549 cells in in vitro experiments, attenuated the growth of tumor xenografts of A549 cells in in vivo experiments and induced the arrest of cell cycle in the G1 phase. The markedly decreased expression of cyclin D1 protein was observed in A549-shRNA-STIM1 cells as compared to A549-shRNA-control cells. The markedly increased expression of p21 protein was observed in A549-shRNA-STIM1 cells as compared to A549-shRNA-control cells. The expression levels of beta-catenin and TGIF proteins were lower in A549 shRNA-STIM1 cells than those in A549-shRNA-control cells. In conclusion, this study indicated that the elevated expression of STIM1 might be involved in lung tumorigenesis. PMID- 27863409 TI - Integrating mechanisms of response and resistance against the tubulin binding agent Eribulin in preclinical models of osteosarcoma. AB - Osteosarcoma is the most frequently occurring bone cancer in children and adolescents. Unfortunately, treatment failures are common. Eribulin is a synthetic microtubule inhibitor that has demonstrated activity in preclinical osteosarcoma models. The effects of eribulin were evaluated in two human osteosarcoma cell lines as well as in eribulin-sensitive and -resistant osteosarcoma xenograft tumors of the Pediatric Preclinical Testing Program (PPTP) by characterizing cell viability, microtubule destabilization, mitotic arrest and mechanism of cell death. Eribulin demonstrated cytotoxic activity in vitro, through promotion of microtubule dynamic instability, arrest of cells in the G2/M phase, mitotic catastrophe and cell death. The microtubule-destabilizing protein stathmin-1 (STMN1) was coimmunoprecipitated with the cyclin-dependent kinase inhibitor p27 indicating that these cytoplasmic complexes can protect cells from the microtubule destabilizing effect of eribulin. Increased tumoral expression of P-glycoprotein (P-gp) and TUBB3 were also associated with lower drug sensitivity. In summary, eribulin successfully blocked cells in G2/M phase but interfered with mitochondria activity to inhibit proteins involved in apoptosis. Understanding the complex and inter-related mechanisms involved in the overall drug response to eribulin may help in the design of therapeutic strategies that enhance drug activity and improve benefits of eribulin in pediatric patients with osteosarcoma. PMID- 27863411 TI - Sesamin inhibits IL-1beta-stimulated inflammatory response in human osteoarthritis chondrocytes by activating Nrf2 signaling pathway. AB - Sesamin, a bioactive component extracted from sesame, has been reported to exert anti-inflammatory and anti-oxidant effects. In this study, we evaluated the anti inflammatory effects of sesamin on IL-1beta-stimulated human osteoarthritis chondrocytes and investigated the possible mechanism. Results demonstrated that sesamin treatment significantly inhibited PGE2 and NO production induced by IL 1beta. Sesamin inhibited MMP1, MMP3, and MMP13 production in IL-1beta-stimulated chondrocytes. Sesamin also inhibited IL-1beta-induced phosphorylation of NF kappaB p65 and IkappaBalpha. Meanwhile, sesamin was found to up-regulate the expression of Nrf2 and HO-1. However, Nrf2 siRNA reversed the anti-inflammatory effects of sesamin. In conclusion, our results suggested that sesamin showed anti inflammatory effects in IL-1beta-stimulated chondrocytes by activating Nrf2 signaling pathway. PMID- 27863412 TI - Associations between XRCC2 rs3218536 and ERCC2 rs13181 polymorphisms and ovarian cancer. AB - Recent studies explored XRCC2 rs3218536 and ERCC2 rs13181 polymorphisms and ovarian cancer (OC) risk. However, the association between these two single nucleotide polymorphisms and OC risk remains conflicting. Thus, we conducted a comprehensive systematic review and meta-analysis to investigate the association. We searched the databases of PubMed, and Embase. Pooled odds ratios (ORs) and 95% confidence intervals (CIs) were calculated by using fixed-effect or random-effect models. 15 case-control studies published in 11 papers including 4,757 cases and 8,431 controls were included in this meta-analysis. No associations were obtained between XRCC2 rs3218536 and ERCC2 rs13181 polymorphisms and OC risk. Stratification analyses of Hardy-Weinberg equilibrium status indicated that rs3218536 polymorphism was associated with the decreased risk of OC when in analysis of combined HWE positive studies. In conclusion, this meta-analysis indicates that XRCC2 rs3218536 and ERCC2 rs13181 polymorphisms may not be associated with the risk of OC. PMID- 27863413 TI - RICTOR amplification identifies a subgroup in small cell lung cancer and predicts response to drugs targeting mTOR. AB - Small cell lung cancer (SCLC) is an aggressive cancer that represents ~15% of all lung cancers. Currently there are no targeted therapies to treat SCLC. Our genomic analysis of a metastatic SCLC cohort identified recurrent RICTOR amplification. Here, we examine the translational potential of this observation. RICTOR was the most frequently amplified gene observed (~14% patients), and co amplified with FGF10 and IL7R on chromosome 5p13. RICTOR copy number variation correlated with RICTOR protein expression in SCLC cells. In parallel, cells with RICTOR copy number (CN) gain showed increased sensitivity to three mTOR inhibitors, AZD8055, AZD2014 and INK128 in cell growth assays, with AZD2014 demonstrating the best inhibition of downstream signaling. SCLC cells with RICTOR CN gain also migrated more rapidly in chemotaxis and scratch wound assays and were again more sensitive to mTOR inhibitors. The overall survival in SCLC patients with RICTOR amplification was significantly decreased (p = 0.021). Taken together, our results suggest that SCLC patients with RICTOR amplification may constitute a clinically important subgroup because of their potential response to mTORC1/2 inhibitors. PMID- 27863414 TI - Smoking increases risks of all-cause and breast cancer specific mortality in breast cancer individuals: a dose-response meta-analysis of prospective cohort studies involving 39725 breast cancer cases. AB - Smoking is associated with the risks of mortality from breast cancer (BC) or all causes in BC survivors. Two-stage dose-response meta-analysis was conducted. A search of PubMed and Embase was performed, and a random-effect model was used to yield summary hazard ratios (HRs). Eleven prospective cohort studies were included. The summary HR per 10 cigarettes/day, 10 pack-years, 10 years increase were 1.10 (95% confidence interval (CI) = 1.04-1.16), 1.09 (95% CI = 1.06-1.12), 1.10 (95% CI = 1.06-1.14) for BC specific mortality, and 1.15 (95% CI = 1.10 1.19), 1.15 (95% CI = 1.10-1.20), 1.17 (95% CI = 1.11-1.23) for all-cause mortality, respectively. The linear or non-linear associations between smoking and risks of mortality from BC or all causes were revealed. Subgroup analyses suggested a positive association between ever or former smoking and the risk of all-cause mortality in BC patients, especially in high doses consumption. In conclusion, higher smoking intensity, more cumulative amount of cigarettes consumption and longer time for smoking is associated with elevated risk of mortality from BC and all causes in BC individuals. The results regarding smoking cessation and "ever or former" smokers should be treated with caution due to limited studies. PMID- 27863416 TI - CRISPR-mediated multiplexed genetic manipulation. PMID- 27863415 TI - Induction of the mitochondria-mediated apoptosis in human esophageal cancer cells by DS2, a newly synthetic diterpenoid analog, is regulated by Bax and caused by generation of reactive oxygen species. AB - Ent-kaurane diterpene compounds have attracted considerable attention in recent years due to its antitumor, antibacterial, and antiviral activities. However, the clinical development of natural kaurane diterpenes, for example, oridonin for cancer therapy has been hampered by its relatively moderate potency, limited bioavailability. Herein, we report a newly synthetic analog of natural ent kaurane diterpene, DS2, which exhibits significantly improved activity of antiproliferation against various cancer cell lines relative to oridonin. DS2 treatment triggers the mitochondria-mediated apoptosis and cell cycle arrest in human esophageal cancer cell lines (EC9706, EC109). Interestingly, normal human esophageal epithelial cells (HEECs) and normal human liver cells (HL-7702) are both significantly more resistant to the growth inhibition by DS2 compared with esophageal cancer cells. The DS2-induced apoptosis in EC9706 cells correlated with the drop of mitochondrial membrane potential (MMP), release of cytochrome c into the cytosol and activation of caspase-9 and -3. The induction of proapoptotic proteins p21 and Bax were also observed in DS2-treated cells. The DS2-induced apoptosis was significantly attenuated by knockdown of Bax proteins. Meanwhile, the DS2 treatment caused generation of reactive oxygen species (ROS) in human esophageal cancer cells, but not in HEECs, which was attenuated by pretreatment with ROS scavenger N-acetylcysteine (NAC). More interestingly, the antioxidants pretreatment completely attenuated DS2 mediated loss of the MMP and apoptosis, as well as Bax expression and growth inhibition. In conclusion, the present study reveals that the mitochondria-mediated cell death by DS2 is associated with Bax regulation and ROS generation, and understanding the function and mechanism of DS2 will help us to design better anti-cancer drugs. PMID- 27863417 TI - Hyponatremia normalization as an independent prognostic factor in patients with advanced non-small cell lung cancer treated with first-line therapy. AB - The aim of the study was to assess, for the first time, the prognostic role of hyponatremia and sodium normalization in patients receiving first-line chemo- or targeted therapy for advanced non-small cell lung cancer.Four hundred thirty three patients with advanced non small cell lung cancer were treated with first line chemo- or targeted therapy between 2006 and 2015 at our institutions. Patients were stratified in two groups, with or without hyponatremia (group A and B, respectively). Progression free survival (PFS) and overall survival (OS) were estimated using Kaplan-Meier method. A Cox regression model was carried out for univariate and multivariate analyses.Sixty-nine patients (16%) presented with hyponatremia at the start of first-line therapy. The median OS was 8.78 months in Group A and 15.5 months in Group B (p < 0.001), while the median PFS was 4.1 months and 6.3 months respectively (p = 0.24). In Group A, median OS was significantly higher in patients who normalized their sodium levels (11.6 vs. 4.7 months, p = 0.0435). Similarly, the median PFS was significantly higher in patients who normalized their sodium levels (6.7 vs. 3.3 months, p = 0.011). At multivariate analysis, sodium normalization was an independent prognostic factor for both OS and PFS.Sodium normalization during first-line therapy is an independent prognostic factor for OS and PFS in patients with advanced lung cancer treated with first-line therapies. Frequent clinical monitoring and prompt treatment of hyponatremia should be emphasized to optimize the outcome of these patients. PMID- 27863418 TI - Pin1 induces the ADP-induced migration of human dental pulp cells through P2Y1 stabilization. AB - PIN1, which belongs to a family of prolyl isomerases, specifically binds to phosphorylated Ser/Thr-pro motifs to catalytically regulate the post phosphorylation conformation of its substrates. This study aimed to investigate the importance of Pin1 expression in human dental pulp cells (hDPCs) to understand the involvement of Pin1 in the regulation of P2Y1 and the activation of ADP-mediated P2Y1 signaling. This study found that the protein levels of P2Y1 gradually decreased after the onset of cell recovery following heat stress. Interestedly, hDPC migration significantly decreased during the recovery period. An in vitro study revealed that the silencing of PIN1 by siRNA or the pharmacologic inhibition of its activity decreased the migration of P2Y1 and P2Y1 expression in these cells. In addition, we found that Pin1 directly interacts with S252 of P2Y1 and that its binding stabilizes the P2Y1 protein to increase migration activity. These results strongly suggest that Pin1 mediates cell migration by stabilizing P2Y1 and that the Pin1/P2Y1 signaling pathways might serve as a novel mechanism of cell migration progression in hDPCs. PMID- 27863419 TI - TSC loss distorts DNA replication programme and sensitises cells to genotoxic stress. AB - Tuberous Sclerosis (TSC) is characterized by exorbitant mTORC1 signalling and manifests as non-malignant, apoptosis-prone neoplasia. Previous reports have shown that TSC-/- cells are highly susceptible to mild, innocuous doses of genotoxic stress, which drive TSC-/- cells into apoptotic death. It has been argued that this hypersensitivity to stress derives from a metabolic/energetic shortfall in TSC-/- cells, but how metabolic dysregulation affects the DNA damage response and cell cycle alterations in TSC-/- cells exposed to genotoxic stress is not understood. We report here the occurrence of futile checkpoint responses and an unusual type of replicative stress (RS) in TSC1-/- fibroblasts exposed to low-dose genotoxins. This RS is characterized by elevated nucleotide incorporation rates despite only modest origin over-firing. Strikingly, an increased propensity for asymmetric fork progression and profuse chromosomal aberrations upon mild DNA damage confirmed that TSC loss indeed proved detrimental to stress adaptation. We conclude that low stress tolerance of TSC-/- cells manifests at the level of DNA replication control, imposing strong negative selection on genomic instability that could in turn detain TSC-mutant tumours benign. PMID- 27863420 TI - YWHAE silencing induces cell proliferation, invasion and migration through the up regulation of CDC25B and MYC in gastric cancer cells: new insights about YWHAE role in the tumor development and metastasis process. AB - We previously observed reduced YWHAE (14-3-3epsilon) protein expression in a small set of gastric cancer samples. YWHAE may act as a negative regulator of the cyclin CDC25B, which is a transcriptional target of MYC oncogene. The understanding of YWHAE role and its targets is important for the better knowledge of gastric carcinogenesis. Thus, we aimed to evaluate the relationship among YWHAE, CDC25B, and MYC in vitro and in vivo. For this, we analyzed the YWHAE, CDC25B, and MYC expression in YWHA-silenced, CDC25B-silenced, and MYC-silenced gastric cancer cell lines, as well as in gastric cancer and non-neoplastic gastric samples. In gastric cancer cell lines, YWHAE was able to inhibit the cell proliferation, invasion and migration through the reduction of MYC and CDC25B expression. Conversely, MYC induced the cell proliferation, invasion and migration through the induction of CDC25B and the reduction of YWHAE. Most of the tumors presented reduced YWHAE and increased CDC25B expression, which seems to be important for tumor development. Increased MYC expression was a common finding in gastric cancer and has a role in poor prognosis. In the tumor initiation, the opposite role of YWHAE and CDC25B in gastric carcinogenesis seems to be independent of MYC expression. However, the inversely correlation between YWHAE and MYC expression seems to be important for gastric cancer cells invasion and migration. The interaction between YWHAE and MYC and the activation of the pathways related to this interaction play a role in the metastasis process. PMID- 27863421 TI - LncRNA GAS5 contributes to lymphatic metastasis in colorectal cancer. AB - Colorectal cancer (CRC) ranks the third most common type of cancer worldwide. However, the detailed molecular mechanisms underlying these processes are poorly understood. Recent studies have shown that lncRNAs play important roles in carcinogenesis and progression of CRC. The lncRNA growth arrest special 5 (GAS5), was previously identified to be down-regulated and functions as a tumor suppressor gene in many kinds of cancers. In current two-stage, case-control study, we systematically evaluated the potential role of lncRNA GAS5 and its genetic variation rs145204276 in the development and metastasis process of CRC in a Chinese population. We found the allele del of rs145204276 was significantly associated with 21% decreased risk of CRC (OR=0.79; 95% CI=0.70-0.89; P value = 5.21*10-5). Compared with the genotype ins/ins, both the genotype ins/del (OR=0.78; 95% CI=0.68-0.91) and del/del (OR=0.64; 95% CI=0.49-0.84) showed decreased susceptibility. For both in colon and rectum cancers, the associations kept statistically significant (OR=O.78 and 0.80, while P value = 4.56*10-4, and 3.80*10-3, respectively). The results also showed that the carriers of allele del are less likely to get lymph node metastasis (OR=0.80; 95% CI=0.68-0.95; P value = 0.010). Taken together, our findings provided strong evidence for the hypothesis that GAS5 rs145204276 were significantly associated with the susceptibility and progression of CRC. PMID- 27863423 TI - Cancer cell CCL5 mediates bone marrow independent angiogenesis in breast cancer. AB - It has recently been suggested that the chemokine receptor (CCR5) is required for bone marrow (BM) derived endothelial progenitor cell (EPC) mediated angiogenesis. Here we show that suppression of either cancer cell produced CCL5, or host CCR5 leads to distinctive vascular and tumor growth defects in breast cancer. Surprisingly, CCR5 restoration in the BM alone was not sufficient to rescue the wild type phenotype, suggesting that impaired tumor growth associated with inhibiting CCL5/CCR5 is not due to defects in EPC biology. Instead, to promote angiogenesis cancer cell CCL5 may signal directly to endothelium in the tumor stroma. In support of this hypothesis, we have also shown: (i) that endothelial cell CCR5 levels increases in response to tumor-conditioned media; (ii) that the amount of CCR5+ tumor vasculature correlates with invasive grade; and (iii) that inhibition of CCL5/CCR5 signaling impairs endothelial cell migration, associated with a decrease in activation of mTOR/AKT pathway members. Finally, we show that treatment with CCR5 antagonist results in less vasculature, impaired tumor growth, reduced metastases and improved survival. Taken as a whole, this work demonstrates that directly inhibiting CCR5 expressing vasculature constitutes a novel strategy for inhibiting angiogenesis and blocking metastatic progression in breast cancer. PMID- 27863422 TI - In silico and in vitro drug screening identifies new therapeutic approaches for Ewing sarcoma. AB - The long-term overall survival of Ewing sarcoma (EWS) patients remains poor; less than 30% of patients with metastatic or recurrent disease survive despite aggressive combinations of chemotherapy, radiation and surgery. To identify new therapeutic options, we employed a multi-pronged approach using in silico predictions of drug activity via an integrated bioinformatics approach in parallel with an in vitro screen of FDA-approved drugs. Twenty-seven drugs and forty-six drugs were identified, respectively, to have anti-proliferative effects for EWS, including several classes of drugs in both screening approaches. Among these drugs, 30 were extensively validated as mono-therapeutic agents and 9 in 14 various combinations in vitro. Two drugs, auranofin, a thioredoxin reductase inhibitor, and ganetespib, an HSP90 inhibitor, were predicted to have anti-cancer activities in silico and were confirmed active across a panel of genetically diverse EWS cells. When given in combination, the survival rate in vivo was superior compared to auranofin or ganetespib alone. Importantly, extensive formulations, dose tolerance, and pharmacokinetics studies demonstrated that auranofin requires alternative delivery routes to achieve therapeutically effective levels of the gold compound. These combined screening approaches provide a rapid means to identify new treatment options for patients with a rare and often-fatal disease. PMID- 27863424 TI - Novel metastatic models of esophageal adenocarcinoma derived from FLO-1 cells highlight the importance of E-cadherin in cancer metastasis. AB - There is currently a paucity of preclinical models available to study the metastatic process in esophageal cancer. Here we report FLO-1, and its isogenic derivative FLO-1LM, as two spontaneously metastatic cell line models of human esophageal adenocarcinoma. We show that FLO-1 has undergone epithelial mesenchymal transition and metastasizes following subcutaneous injection in mice. FLO-1LM, derived from a FLO-1 liver metastasis, has markedly enhanced proliferative, clonogenic, anti-apoptotic, invasive, immune-tolerant and metastatic potential. Genome-wide RNAseq profiling revealed a significant enrichment of metastasis-related pathways in FLO-1LM cells. Moreover, CDH1, which encodes the adhesion molecule E-cadherin, was the most significantly downregulated gene in FLO-1LM compared to FLO-1. Consistent with this, repression of E-cadherin expression in FLO-1 cells resulted in increased metastatic activity. Importantly, reduced E-cadherin expression is commonly reported in esophageal adenocarcinoma and independently predicts poor patient survival. Collectively, these findings highlight the biological importance of E-cadherin activity in the pathogenesis of metastatic esophageal adenocarcinoma and validate the utility of FLO-1 parental and FLO-1LM cells as preclinical models of metastasis in this disease. PMID- 27863425 TI - Identification of an HSP90 modulated multi-step process for ERBB2 degradation in breast cancer cells. AB - The receptor tyrosine kinase ERBB2 interacts with HSP90 and is overexpressed in aggressive breast cancers. Therapeutic HSP90 inhibitors, i.e. Geldanamycin (GA), target ERBB2 to degradation. We have previously shown that HSP90 is responsible for the missorting of recycling ERBB2 to degradation compartments. In this study, we used biochemical, immunofluorescence and electron microscopy techniques to demonstrate that in SKBR3 human breast cancer cells, GA strongly induces polyubiquitination and internalization of the full-length p185-ERBB2, and promotes its cleavage, with the formation of a p116-ERBB2 form in EEA1-positive endosomes (EE). p116-ERBB2 corresponds to a non-ubiquitinated, signaling impaired, membrane-bound fragment, which is readily sorted to lysosomes and degraded. To define the sequence of events leading to p116-ERBB2 degradation, we first blocked the EE maturation/trafficking to late endosomes/lysosomes with wortmannin, and found an increase in GA-dependent formation of p116-ERBB2; we then inhibited the proteasome activity with MG-132 or lactacystin, and observed an efficient block of p185-ERBB2 cleavage, and its accumulation in EE, suggesting that p185-ERBB2 polyubiquitination is necessary for proteasome-dependent p116 ERBB2 generation occurring in EE. As polyubiquitination has also been implicated in autophagy-mediated degradation of ERBB2 under different experimental conditions, we exploited this possibility and demonstrate that GA strongly inhibits early autophagy, and reduces the levels of the autophagy markers atg5-12 and LC3-II, irrespective of GA-induced ERBB2 polyubiquitination, ruling out a GA dependent autophagic degradation of ERBB2. In conclusion, we propose that HSP90 inhibition fosters ERBB2 polyubiquitination and proteasome-dependent generation of a non-ubiquitinated and inactive p116-ERBB2 form in EE, which is trafficked from altered EE to lysosomes. PMID- 27863426 TI - Quantification of tumor-derived cell free DNA(cfDNA) by digital PCR (DigPCR) in cerebrospinal fluid of patients with BRAFV600 mutated malignancies. AB - Tumor-derived cell free DNA (cfDNA) can be detected in plasma. We hypothesized that mutated BRAF V600 cfDNA could be quantified in the cerebrospinal fluid (CSF) of patients with central nervous system (CNS) metastases. We collected CSF from patients with BRAF V600E or K-mutated melanoma (N=8) or BRAF V600E mutated Erdheim-Chester Disease (ECD) (N=3) with suspected central nervous system (CNS) involvement on the basis of neurological symptoms (10/11), MRI imaging (8/11), or both. Tumor-derived cfDNA was quantified by digital PCR in the CSF of 6/11 patients (range from 0.15-10.56 copies/MUL). Conventional cytology was negative in all patients except in the two patients with markedly elevated levels of tumor derived cfDNA. In 2 patients with serial measurements, CSF tumor-derived cfDNA levels reflected response to treatment or progressive disease. CSF tumor-derived cfDNA has the potential to serve as a diagnostic tool that complements MRI and may be more sensitive than conventional cytology. PMID- 27863427 TI - Sorafenib pretreatment enhances radiotherapy through targeting MEK/ERK/NF-kappaB pathway in human hepatocellular carcinoma-bearing mouse model. AB - Patients with unresectable hepatocellular carcinoma (HCC) usually have poor prognosis because current monotherapy including surgery, chemotherapy and radiotherapy (RT) are not effective. Combination therapy may be effective to overcome this clinical problem. Here, we proposed the combination of sorafenib and RT, which have been applied in HCC treatment, could improve the treatment outcome of HCC. Our previous study showed that sorafenib could suppress the expression of NF-kappaB which is related to the chemo- and radio-resistance. Nevertheless, the expression of NF-kappaB is oscillatory and is affected by the treatments. Thus, understanding the oscillation of NF-kappaB expression would be beneficial for determining the optimal treatment schedule in combination therapy. Here established Huh7/NF-kappaB-tk-luc2/rfp cell line, in which NF-kappaB indicates a NF-kappaB promoter, was utilized to noninvasively monitor the expression of NF-kappaB overtime in vitro and in vivo. The results show that pretreatment of sorafenib with RT suppresses the expressions of NF-kappaB and its downstream proteins induced by radiation through downregulation of phosphorylated extracellular signal-regulated kinase (pERK) most significantly compared with other treatment schedules. The results were further verified with Western blotting, EMSA, and NF-kappaB molecular imaging. These findings suggest that pretreatment of sorafenib with RT may be the ideal treatment schedule for the treatment of HCC. PMID- 27863428 TI - Impact of diabetes-related gene polymorphisms on the clinical characteristics of type 2 diabetes Chinese Han population. AB - We investigated the correlation between type 2 diabetes (T2D)-related genes and the clinical characteristics of T2D in the Chinese Han population. Our study included 319 patients and 387 controls. Age, gender, clinical features, medications intake and biochemical blood profiles were analyzed. Genotyping was performed on a total of 18 single nucleotide polymorphisms previously reported to be associated with T2D. Our analyses revealed that the CT genotype of ARHGAP22 rs4838605 is associated with T2D risk. Upon analyzing the subjects' clinical characteristics, we found that for rs2811893, the TT genotype correlated with high creatinine levels, while the AA genotype of rs17045754 and the TT genotype of rs4838605 correlated with elevated triglyceride levels. In addition, the AA genotype of rs17376456 and the TT genotype of rs6214 (p = 0.006) correlated with elevated hemoglobin A1c levels. Lastly, those carrying the TT genotype of rs7772697 and the CA genotype of rs3918227 exhibited higher mean body mass index and Cystatin C than controls. Our results showing that the ARHGAP22 gene is associated with an increased risk of T2D, and that seven SNPs in MYSM1, PLXDC2, ARHGAP22 and HS6ST3 promote T2D progression and could help predict the clinical course of T2D in patients at risk. PMID- 27863429 TI - Epigenetically upregulated WIPF1 plays a major role in BRAF V600E-promoted papillary thyroid cancer aggressiveness. AB - How the BRAF V600E mutation promotes the pathogenesis and aggressiveness of papillary thyroid cancer (PTC) is not completely understood. Here we explored a novel mechanism involving WASP interacting protein family member 1 (WIPF1). In PTC tumors, compared with the wild-type BRAF, BRAF V600E was associated with over expression and hypomethylation of the WIPF1 gene. In thyroid cancer cell lines with wild-type BRAF, WIPF1 expression was robustly upregulated upon introduced expression of BRAF V600E (P=0.03) whereas the opposite was seen upon BRAF knockdown or treatment with BRAF V600E or MEK inhibitors in cells harboring BRAF V600E. Methylation of a functionally critical region of the WIPF1 promoter was decreased by expressing BRAF V600E in cells harboring the wild-type BRAF and increased by BRAF knockdown or treatment with BRAF V600E or MEK inhibitors in cells harboring BRAF V600E mutation. Under-expression and hypermethylation of WIPF1 induced by stable BRAF knockdown was reversed by DNA demethylating agent 5' azadeoxycytidine. Knockdown of WIPF1 robustly inhibited anchorage-independent colony formation, migration, and invasion of thyroid cancer cells and suppressed xenograft thyroid cancer tumor growth and vascular invasion, mimicking the effects of BRAF knockdown. In human PTC tumors, WIPF1 expression was associated with extrathyroidal invasion (P=0.01) and lymph node metastasis (P=2.64E-05). In summary, BRAF V600E-activated MAP kinase pathway causes hypomethylation and overexpression of WIPF1; WIPF1 then functions like an oncoprotein to robustly promote aggressive cellular and tumor behaviors of PTC. This represents a novel mechanism in BRAF V600E-promoted PTC aggressiveness and identifies WIPF1 as a novel therapeutic target for thyroid cancer. PMID- 27863430 TI - Diisononyl phthalate aggravates allergic dermatitis by activation of NF-kB. AB - Several epidemiological studies have suggested a possible link between exposure to Diisononyl phthalate (DINP) and the development of allergies. These findings remain controversial since there is insufficient scientific evidence to assess the ability of DINP to influence allergic immune responses. In addition, the mechanisms behind DINP-caused allergic diseases have not been fully elucidated. In this study, Balb/c mice were orally exposed to DINP for 3 weeks and were then sensitized with fluorescein isothiocyanate (FITC). We showed that oral exposure to DINP could aggravate allergic-dermatitis-like lesions, indicated by an increase in the number of mast cells, and in increased skin edema in FITC-induced contact hypersensitivity. This deterioration was concomitant with increased total serum immunoglobulin-E and Th2 cytokines. We determined the oxidative damage and the activation of nuclear factor-kb (NF-kB). The data demonstrated that DINP could promote oxidative damage and the activation of NF-kB in the skin. The expression of thymic stromal lymphopoietin and the activation of signal transducer and activator of transcriptions 3, 5 and 6 were enhanced concomitant with exacerbated allergic dermatitis effects and the activation of NF-kB induced by DINP. These effects were alleviated by pyrollidine dithiocarbamate, an inhibitor of NF-kB. The results suggest that oral exposure to DINP aggravated allergic contact dermatitis, which was positively regulated via NF-kB. PMID- 27863431 TI - Synergistic antitumor activity of the combination of salubrinal and rapamycin against human cholangiocarcinoma cells. AB - Less is known about the roles of eukaryotic initiation factor alpha (eIF2alpha) in cholangiocarcinoma (CCA). Here, we report that eIF2alpha inhibitor salubrinal inhibits the proliferation of human CCA cells. Clinical application of mammalian target of rapamycin (mTOR) inhibitors only has moderate antitumor efficacy. Therefore, combination approaches may be required for effective clinical use of mTOR inhibitors. Here, we investigated the efficacy of the combination of salubrinal and rapamycin in the treatment of CCA. Our data demonstrate a synergistic antitumor effect of the combination of salubrinal and rapamycin against CCA cells. Rapamycin significantly inhibits the proliferation of CCA cells. However, rapamycin initiates a negative feedback activation of Akt. Inhibition of Akt by salubrinal potentiates the efficacy of rapamycin both in vitro and in vivo. Additionally, rapamycin treatment results in the up-regulation of Bcl-xL in a xenograft mouse model. It is notable that salubrinal inhibits rapamycin-induced Bcl-xL up-regulation in vivo. Taken together, our data suggest that salubrinal and rapamycin combination might be a new and effective strategy for the treatment of CCA. PMID- 27863432 TI - E-cadherin downregulation sensitizes PTEN-mutant tumors to PI3Kbeta silencing. AB - Alterations in phosphatidylinositol 3-kinase (PI3K) and in PTEN (phosphatase and tensin homolog), the negative regulator of the PI3K pathway, are found in nearly half of human tumors. As PI3Kbeta, the main isoform activated in PTEN-mutant tumors, has kinase-dependent and -independent activities, we compared the effects of depleting vs. drug-inhibiting PI3Kbeta kinase activity in a collection of diverse tumor types and in a set of bladder carcinoma cell lines grown as xenografts in mice. PI3Kbeta depletion (by intratumor injection of PIK3CB siRNA) induced apoptosis and triggered regression of PTEN-mutant tumors more efficiently than PI3Kbeta inhibition. A small proportion of these tumors was resistant to PI3Kbeta downregulation; we analyzed what determined resistance in these cases. Using add-back experiments, we show that both PTEN mutation and low E-cadherin expression are necessary for PI3Kbeta dependence. In bladder carcinoma, loss of E cadherin expression coincides with N-cadherin upregulation. We found that PI3Kbeta associated with N-cadherin and that PIK3CB depletion selectively disrupted N-cadherin cell adhesions in PTEN-mutant bladder carcinoma. These results support the use of PIK3CB interfering RNA as a therapeutic approach for high-risk bladder cancers that show E-cadherin loss and express mutant PTEN. PMID- 27863433 TI - Assessment of differentially expressed plasma microRNAs in nonsyndromic cleft palate and nonsyndromic cleft lip with cleft palate. AB - Plasma microRNAs (miRNAs) have recently emerged as a new class of regulatory molecules that influence many biological functions. However, the expression profile of plasma microRNAs in nonsyndromic cleft palate (NSCP) or nonsyndromic cleft lip with cleft palate (NSCLP) remains poorly investigated. In this study, we used Agilent human miRNA microarray chips to monitor miRNA levels in three NSCP plasma samples (mixed as the CP group), three NSCLP plasma samples (mixed as the CLP group) and three normal plasma samples (mixed as the Control group). Six selected plasma miRNAs were validated in samples from an additional 16 CP, 33 CLP and 8 healthy children using qRT-PCR. Using Venn diagrams, distinct and overlapping dysregulated miRNAs were identified. Their respective target genes were further assessed using gene ontology and pathway analysis. The results show that distinct or overlapping biological processes and signalling pathways were involved in CP and CLP. Our study showed that the common key gene targets reflected functional relationships to the Notch, Wnt, phosphatidylinositol and Hedgehog signalling pathways. Further studies should examine the mechanism of the potential target genes, which may provide new avenues for future clinical prevention and therapy. PMID- 27863434 TI - A microRNA biomarker panel for the non-invasive detection of bladder cancer. AB - The development of accurate, non-invasive urinary assays for bladder cancer would greatly facilitate the detection and management of a disease that has a high rate of recurrence and progression. In this study, we employed a discovery and validation strategy to identify microRNA signatures that can perform as a non invasive bladder cancer diagnostic assay. Expression profiling of 754 human microRNAs (TaqMan low density arrays) was performed on naturally voided urine samples from a cohort of 85 subjects of known bladder disease status (27 with active BCa). A panel of 46 microRNAs significantly associated with bladder cancer were subsequently monitored in an independent cohort of 121 subjects (61 with active BCa) using quantitative real-time PCR (RT-PCR). Multivariable modeling identified a 25-target diagnostic signature that predicted the presence of BCa with an estimated sensitivity of 87% at a specificity of 100% (AUC 0.982). With additional validation, the monitoring of a urinary microRNA biomarker panel could facilitate the non-invasive evaluation of patients under investigation for BCa. PMID- 27863435 TI - Myb expression is critical for myeloid leukemia development induced by Setbp1 activation. AB - SETBP1 missense mutations have been frequently identified in multiple myeloid neoplasms; however, their oncogenic potential remains unclear. Here we show that expression of Setbp1 mutants carrying two such mutations in mouse bone marrow progenitors efficiently induced development of acute myeloid leukemias (AMLs) in irradiated recipient mice with significantly shorter latencies and greater penetrance than expression of wild-type Setbp1, suggesting that these mutations are highly oncogenic. The increased oncogenicity of Setbp1 missense mutants could be due in part to their capability to drive significantly higher target gene transcription. We further identify Myb as a critical mediator of Setbp1-induced self-renewal as its knockdown caused efficient differentiation of myeloid progenitors immortalized by wild-type Setbp1 and Setbp1 missense mutants. Interestingly, Myb is also a direct transcriptional target of Setbp1 and Setbp1 missense mutants as they directly bind to the Myb locus in immortalized cells and dramatically activate a critical enhancer/promoter region of Myb in luciferase reporter assays. Furthermore, Myb knockdown in Setbp1 and Setbp1 missense mutations-induced AML cells also efficiently induced their differentiation in culture and significantly prolonged the survival of their secondary recipient mice, suggesting that targeting MYB pathway could be a promising strategy for treating human myeloid neoplasms with SETBP1 activation. PMID- 27863436 TI - Chemotherapy plus dendritic cells co-cultured with cytokine-induced killer cells versus chemotherapy alone to treat advanced non-small-cell lung cancer: A meta analysis. AB - This study was aimed to investigate the efficacy and safety of the combination treatment of dendritic cells co-cultured with cytokine-induced killer cells and chemotherapy for patients with advanced non-small-cell lung cancer (NSCLC). Literatures were searched from the Cochrane Library Central, PubMed, Web of Science and EMBASE. The primary endpoint of interest was overall survival (OS), and secondary endpoints were disease control rate (DCR) and progression free survival (PFS). Finally 7 trials published between January 2005 and March 2016 met inclusion criteria and totally 610 patients were enrolled. The combination group showed advance in DCR (RR = 1.31, 95% CI = 1.13-1.52, p = 0.0004), 1-year OS (RR = 1.18, 95% CI = 1.05-1.33, p = 0.007), and 2-year OS (RR = 1.37, 95% CI = 1.10-1.70, p = 0.005), with statistical significance. The proportions of CD3+ T cells (p = 0.002), NK cells (p = 0.02) and NKT cells (p = 0.001) were significantly higher in the peripheral blood of combination group, compared with those of the control group. Moreover, adverse reactions were obviously decreased in the combination group. However, no significant difference was identified in ORR and PFS between two groups (p > 0.05). In conclusion, the combination therapy was safe and applicable for patients with advanced NSCLC. PMID- 27863437 TI - Association of multiple genetic variants with breast cancer susceptibility in the Han Chinese population. AB - We selected 13 tag single nucleotide polymorphisms (tSNPs) to investigate whether they were associated with breast cancer risk in the Chinese Han population. Upon statistical analyses of clinical data from 551 patients and 577 controls, we found that six of the 13 SNPs were associated with breast cancer; namely, rs4973768(Odds ratio (OR) = 1.30, 95% confidence interval (CI) =1.01-1.67), rs981782(OR =1.30, 95% CI=1.01-1.66), rs1432679(OR =0.84, 95% CI=0.70-0.99), rs10759243(OR=1.30, 95%CI=1.09-1.55), rs10822013(OR =1.18, 95% CI=1.00-1.39) and rs704010(OR =1.63, 95% CI=1.04-2.56). When stratified based on breast cancer subtype, our analyses revealed that three SNPs (rs981782, rs10759243 and rs704010) correlated with ER+ breast cancer, while another three (rs4973768, rs1432679 and rs10822013) correlated with ER- breast cancer. We obtained similar results while investigating the correlation of SNPs with PR status or clinical stage. Our results suggest that associations identified between SNPs and breast cancer through genome-wide association studies (GWAS) may not always be generalizable across races. PMID- 27863438 TI - Immunohistochemical staining of ERG and SOX9 as potential biomarkers of docetaxel response in patients with metastatic castration-resistant prostate cancer. AB - We aimed to evaluate ERG and SOX9 as potential biomarkers of docetaxel response in metastatic castration-resistant prostate cancer (mCRPC) patients. Seventy-one mCRPC patients were evaluated. Tissue microarrays were constructed and immunohistochemistry was performed. Treatment response was assessed by prostate specific antigen (PSA) response rate, PSA progression-free survival (PSA-PFS), clinical/radiologic PFS (C/R-PFS) and overall survival (OS). ERG and SOX9 were found in 13 (18.3%) and 62 (87.3%) patients, respectively. ERG-positive had lower PSA response rates than negative (15.4% vs 62.1%, p = 0.004), and SOX9 showed a same trend (46.8% vs 100.0%, p = 0.003). ERG positivity correlated with a lower PSA-PFS (3.2 mos vs 7.4 mos, p < 0.001), C/R-PFS (3.8 mos vs 9.0 mos, p < 0.001) and OS (10.8 mos vs 21.4 mos, p < 0.001). SOX9 positivity also showed a lower PSA PFS, C/R-PFS and OS (p =0.006, p =0.012 and p =0.023, respectively). On multivariate analysis, ERG positivity was a significant risk factor for a lower PSA-PFS, C/R-PFS and OS (p < 0.001, p < 0.001 and p =0.001, respectively). SOX9 expression was also a risk factor for a lower PSA-PFS, C/R-PFS and OS (p = 0.018, p = 0.025 and p =0.047, respectively). These findings indicate that ERG and SOX9 is potential biomarkers for prediction to docetaxel treatment in mCRPC patients. PMID- 27863439 TI - Re-purposing of curcumin as an anti-metastatic agent for the treatment of epithelial ovarian cancer: in vitro model using cancer stem cell enriched ovarian cancer spheroids. AB - Malignant epithelial ovarian cancer (EOC) spheroids high frequently are detected in the malignant ascites of the patients with the extensive peritoneal metastasis of ovarian cancer, which represent a significant obstacle to efficacious treatment. Clinical data also suggested that EOC spheroids play a putative role in the development of chemoresistance. Since standard surgery and conventional chemotherapy is the only available treatment, there is an urgent need to identify a more effective therapeutic strategy. Recent studies demonstrated that curcumin exerts an anticancer effect in a variety of human cancers including ovarian cancer. This study evaluates anti-peritoneal metastasis and chemoresistance of curcumin related to the EOC spheroids. In this study, we confirm that the high invasive EOC cells forming the spheroids express a high level of a cancer stem cell (CSC) marker, aldehyde dehydrogenase 1 family member A1 (ALDH1A1), which was significantly down-regulated by curcumin treatment. Curcumin treatment markedly enhances the sensitivity of EOC spheroids to cisplatin in a dose-dependent manner. Our experiments provided evidence that curcumin could abolish the sphere forming capacity of EOC cells in a dose-dependent manner. Moreover, curcumin substantially suppressed the growth of the pre-existed EOC spheroids, inhibited the adhesion of EOC spheroids to ECM as well as the invasion of EOC spheroids to the mesothelial monolayers. We propose to re-purpose curcumin as anti-metastatic and chemoresistant agent for EOC management in combination with conventional regimen. Further preclinical studies are necessary to validate the anti-cancer effect of curcumin in patients with EOC. PMID- 27863440 TI - Patient-derived glioblastoma stem cells respond differentially to targeted therapies. AB - The dismal prognosis of glioblastoma is, at least in part, attributable to the difficulty in eradicating glioblastoma stem cells (GSCs). However, whether this difficulty is caused by the differential responses of GSCs to drugs remains to be determined. To address this, we isolated and characterized ten GSC lines from established cell lines, xenografts, or patient specimens. Six lines formed spheres in a regular culture condition, whereas the remaining four lines grew as monolayer. These adherent lines formed spheres only in plates coated with poly-2 hydroxyethyl methacrylate. The self-renewal capabilities of GSCs varied, with the cell density needed for sphere formation ranging from 4 to 23.8 cells/well. Moreover, a single non-adherent GSC either remained quiescent or divided into two cells in four-seven days. The stem cell identity of GSCs was further verified by the expression of nestin or glial fibrillary acidic protein. Of the two GSC lines that were injected in immunodeficient mice, only one line formed a tumor in two months. The protein levels of NOTCH1 and platelet derived growth factor receptor alpha positively correlated with the responsiveness of GSCs to gamma-secretase inhibitor IX or imatinib, two compounds that inhibit these two proteins, respectively. Furthermore, a combination of temozolomide and a connexin 43 inhibitor robustly inhibited the growth of GSCs. Collectively, our results demonstrate that patient-derived GSCs exhibit different growth rates in culture, possess differential capabilities to form a tumor, and have varied responses to targeted therapies. Our findings underscore the importance of patient-derived GSCs in glioblastoma research and therapeutic development. PMID- 27863442 TI - Loss of organic anion transporting polypeptide 1B3 function causes marked delay in indocyanine green clearance without any clinical symptoms. PMID- 27863441 TI - Sulforaphane inhibits proliferation and invasive activity of everolimus-resistant kidney cancer cells in vitro. AB - Although the mechanistic target of rapamycin (mTOR) inhibitor, everolimus, has improved the outcome of patients with renal cell carcinoma (RCC), improvement is temporary due to the development of drug resistance. Since many patients encountering resistance turn to alternative/complementary treatment options, an investigation was initiated to evaluate whether the natural compound, sulforaphane (SFN), influences growth and invasive activity of everolimus resistant (RCCres) compared to everolimus-sensitive (RCCpar) RCC cell lines in vitro. RCC cells were exposed to different concentrations of SFN and cell growth, cell proliferation, apoptosis, cell cycle, cell cycle regulating proteins, the mTOR-akt signaling axis, adhesion to human vascular endothelium and immobilized collagen, chemotactic activity, and influence on surface integrin receptor expression were investigated. SFN caused a significant reduction in both RCCres and RCCpar cell growth and proliferation, which correlated with an elevation in G2/M- and S-phase cells. SFN induced a marked decrease in the cell cycle activating proteins cdk1 and cyclin B and siRNA knock-down of cdk1 and cyclin B resulted in significantly diminished RCC cell growth. SFN also modulated adhesion and chemotaxis, which was associated with reduced expression of the integrin subtypes alpha5, alpha6, and beta4. Distinct differences were seen in RCCres adhesion and chemotaxis (diminished by SFN) and RCCpar adhesion (enhanced by SFN) and chemotaxis (not influenced by SFN). Functional blocking of integrin subtypes demonstrated divergent action on RCC binding and invasion, depending on RCC cell sensitivity to everolimus. Therefore, SFN administration could hold potential for treating RCC patients with established resistance towards everolimus. PMID- 27863443 TI - Gait assessment with solesound instrumented footwear in spinal muscular atrophy. AB - INTRODUCTION: Gait impairment is common in spinal muscular atrophy (SMA) and is described using clinical assessments and instrumented walkways. Continuous over ground walking has not been studied. METHODS: Nine SMA participants completed the 6-minute walk test (6MWT) and 10-meter walk/run wearing instrumented footwear (SoleSound). Data were simultaneously collected using a reference system (GAITRite). The root-mean-square error (RMSE) indicated criterion validity. The decrease in walking speed represented fatigue. Foot loading patterns were evaluated using force sensors. RESULTS: The RMSE for stride time, length, and velocity ranged from 1.3% to 1.7%. Fatigue was 11.6 +/- 9.1%, which corresponded to an average deceleration of 0.37 +/- 0.28 mm/s2 . Participants spent most of their stance without heel contact. Forefoot contact occurred early in the gait cycle. CONCLUSIONS: These results suggest that footwear-based devices are an alternative to specialized equipment for gait assessment. Better understanding of gait disturbances should inform ongoing treatment efforts and provide a more sensitive outcome measure. Muscle Nerve 56: 230-236, 2017. PMID- 27863445 TI - Dissociable profiles of generalization/discrimination in the human hippocampus during associative retrieval. AB - When encountering stimuli that vary slightly from previous experiences, neural signals within the CA3 and dentate gyrus (CA3 DG) hippocampal subfields are thought to facilitate mnemonic discrimination, whereas CA1 may be less sensitive to minor stimulus changes, allowing for generalization across similar events. Studies have also posited a critical role for CA1 in the comparison of events to memory-derived expectations, but the degree to which these processes are impacted by explicit retrieval demands is yet unclear. To evaluate extant accounts of hippocampal subfield function, we acquired high-resolution fMRI data as participants performed a task in which famous names were used to cue the retrieval of previously paired images. Although both left CA3 DG and CA1 showed match enhancement effects, responding more to original paired images (targets) than to never-before-seen images (novels), the sensitivity of these subfields to stimulus changes and task demands diverged. CA3 DG showed a goal-independent, yet highly specific, preference for previously encountered stimuli, responding equally strongly to targets and mispaired associates, while showing equally weak responses to close lures and novels. In contrast, recognition signals in CA1 were goal-dependent (i.e., not evoked by mispaired associates), yet accommodating of subtle stimulus differences, such that close lures evoked comparable activity as targets. (c) 2016 Wiley Periodicals, Inc. PMID- 27863444 TI - AV-1451 tau and beta-amyloid positron emission tomography imaging in dementia with Lewy bodies. AB - OBJECTIVE: Patients with probable dementia with Lewy bodies (DLB) often have Alzheimer's disease (AD)-related pathology. Our objective was to determine the pattern of positron emission tomography (PET) tau tracer AV-1451 uptake in patients with probable DLB, compared to AD, and its relationship to beta-amyloid deposition on PET. METHODS: Consecutive patients with clinically probable DLB (n = 19) from the Mayo Clinic Alzheimer's Disease Research Center underwent magnetic resonance imaging, AV-1451, and Pittsburgh compound-B (PiB) PET examinations. Age and sex-matched groups of AD dementia (n = 19) patients and clinically normal controls (n = 95) from an epidemiological cohort served as a comparison groups. Atlas- and voxel-based analyses were performed. RESULTS: The AD dementia group had significantly higher AV-1451 uptake than the probable DLB group, and medial temporal uptake completely distinguished AD dementia from probable DLB. Patients with probable DLB had greater AV-1451 uptake in the posterior temporoparietal and occipital cortex compared to clinically normal controls, and in probable DLB, the uptake in these regions correlated with global cortical PiB uptake (Spearman rho = 0.63; p = 0.006). INTERPRETATION: Medial temporal lobe AV-1451 uptake distinguishes AD dementia from probable DLB, which may be useful for differential diagnosis. Elevated posterior temporoparietal and occipital AV-1451 uptake in probable DLB and its association with global cortical PiB uptake suggest an atypical pattern of tau deposition in DLB. ANN NEUROL 2017;81:58-67. PMID- 27863446 TI - Glutathione transferase P1-1 as an arsenic drug-sequestering enzyme. AB - Arsenic-based compounds are paradoxically both poisons and drugs. Glutathione transferase (GSTP1-1) is a major factor in resistance to such drugs. Here we describe using crystallography, X-ray absorption spectroscopy, mutagenesis, mass spectrometry, and kinetic studies how GSTP1-1 recognizes the drug phenylarsine oxide (PAO). In conditions of cellular stress where glutathione (GSH) levels are low, PAO crosslinks C47 to C101 of the opposing monomer, a distance of 19.9 A, and causes a dramatic widening of the dimer interface by approximately 10 A. The GSH conjugate of PAO, which forms rapidly in cancerous cells, is a potent inhibitor (Ki = 90 nM) and binds as a di-GSH complex in the active site forming part of a continuous network of interactions from one active site to the other. In summary, GSTP1-1 can detoxify arsenic-based drugs by sequestration at the active site and at the dimer interface, in situations where there is a plentiful supply of GSH, and at the reactive cysteines in conditions of low GSH. PMID- 27863447 TI - Hepatitis C virus infection triggers a tumor-like glutamine metabolism. AB - : Chronic infection with hepatitis C virus (HCV) is one of the main causes of hepatocellular carcinoma. However, the molecular mechanisms linking the infection to cancer development remain poorly understood. Here we used HCV-infected cells and liver biopsies to study how HCV modulates the glutaminolysis pathway, which is known to play an important role in cellular energetics, stress defense, and neoplastic transformation. Transcript levels of glutaminolytic factors were quantified in Huh7.5 cells or primary human hepatocytes infected with the Japanese fulminant hepatitis 1 HCV strain as well as in biopsies of chronic HCV patients. Nutrient deprivation, biochemical analysis, and metabolite quantification were performed with HCV-infected Huh7.5 cells. Furthermore, short hairpin RNA vectors and small molecule inhibitors were used to investigate the dependence of HCV replication on metabolic changes. We show that HCV modulates the transcript levels of key enzymes of glutamine metabolism in vitro and in liver biopsies of chronic HCV patients. Consistently, HCV infection increases glutamine use and dependence. We finally show that inhibiting glutamine metabolism attenuates HCV infection and the oxidative stress associated with HCV infection. CONCLUSION: Our data suggest that HCV establishes glutamine dependence, which is required for viral replication, and, importantly, that glutamine addiction is a hallmark of tumor cells. While HCV induces glutaminolysis to create an environment favorable for viral replication, it predisposes the cell to transformation. Glutaminolytic enzymes may be interesting therapeutic targets for prevention of hepatocarcinogenesis in chronic hepatitis C. (Hepatology 2017;65:789-803). PMID- 27863448 TI - Lipid zonation and phospholipid remodeling in nonalcoholic fatty liver disease. AB - : Nonalcoholic fatty liver disease (NAFLD) can progress from simple steatosis (i.e., nonalcoholic fatty liver [NAFL]) to nonalcoholic steatohepatitis (NASH), cirrhosis, and cancer. Currently, the driver for this progression is not fully understood; in particular, it is not known how NAFLD and its early progression affects the distribution of lipids in the liver, producing lipotoxicity and inflammation. In this study, we used dietary and genetic mouse models of NAFL and NASH and translated the results to humans by correlating the spatial distribution of lipids in liver tissue with disease progression using advanced mass spectrometry imaging technology. We identified several lipids with distinct zonal distributions in control and NAFL samples and observed partial to complete loss of lipid zonation in NASH. In addition, we found increased hepatic expression of genes associated with remodeling the phospholipid membrane, release of arachidonic acid (AA) from the membrane, and production of eicosanoid species that promote inflammation and cell injury. The results of our immunohistochemistry analyses suggest that the zonal location of remodeling enzyme LPCAT2 plays a role in the change in spatial distribution for AA containing lipids. This results in a cycle of AA-enrichment in pericentral hepatocytes, membrane release of AA, and generation of proinflammatory eicosanoids and may account for increased oxidative damage in pericentral regions in NASH. CONCLUSION: NAFLD is associated not only with lipid enrichment, but also with zonal changes of specific lipids and their associated metabolic pathways. This may play a role in the heterogeneous development of NAFLD. (Hepatology 2017;65:1165-1180). PMID- 27863449 TI - IL6-mediated inflammatory loop reprograms normal to epithelial-mesenchymal transition+ metastatic cancer stem cells in preneoplastic liver of transforming growth factor beta-deficient beta2-spectrin+/- mice. AB - : Hepatocellular carcinoma (HCC) is the second-leading cause of cancer-related deaths worldwide with a poor survival rate. As many as 40% of HCCs are clonal, with alteration of key tumor-suppressor pathways in stem cells as the primary cause of HCC initiation. However, mechanisms that generate metastatic stem cells in preneoplastic liver tissue are not well understood. We hypothesized that chronic inflammation is a major driver of the transformation of genetically defective liver stem cells (LSCs) into highly metastatic liver cancer cells in premalignant liver tissue. We developed models of chronic inflammation in wild type (WT) and beta2-spectrin (beta2SP)+/- (SPTBN1) mice. CD133+ LSCs derived from preneoplastic livers of beta2SP+/- mice treated with interleukin-6 (pIL6; IL6 beta2SP+/- LSCs) were highly tumorigenic and metastatic, whereas those derived from WT mice treated with pIL6 (IL6 WT LSCs) had significantly less proliferation and no tumorigenic properties. IL6 beta2SP+/- LSCs not only exhibited nuclear localization of Twist and Slug, markers of epithelial-mesenchymal transition (EMT), but also constitutive activation of nuclear factor kappa B (NFkappaB; RELA). Knockdown of NFkappaB decreased the EMT phenotypes and metastatic capacity of these cells. NFkappaB in IL6 beta2SP+/- LSCs was activated by transforming growth factor beta (TGFbeta)-activated kinase 1 (TAK1; MAP3K7), which is associated with poor survival in HCC and interleukin-6 (IL6) expression. The amount of constitutively activated NFkappaB increased dramatically from normal to cirrhotic to HCC tissues from human patients. CONCLUSION: IL6-mediated inflammation programs constitutive activation of the TAK1-NFkappaB signaling cascade in CD133+ LSCs, and this program interacts with deficient TGFbeta signaling, thereby accelerating the transformation of normal LSCs to metastatic cancer stem cells (mCSCs). Indeed, this study delineates the development of EMT positive mCSCs in HCC-free liver tissue upon chronic inflammation. (Hepatology 2017;65:1222-1236). PMID- 27863451 TI - Cerebral white matter abnormalities in patients with charcot-marie-tooth disease. AB - Here, we report the structural evidence of cerebral white matter abnormalities in Charcot-Marie-Tooth (CMT) patients and the relationship between these abnormalities and clinical disability. Brain diffusion tensor imaging (DTI) was performed in CMT patients with demyelinating (CMT1A/CMT1E), axonal (CMT2A/CMT2E), or intermediate (CMTX1/DI-CMT) peripheral neuropathy. Although all patients had normal brain magnetic resonance imaging, all genetic subgroups except CMT1A had abnormal DTI findings indicative of significant cerebral white matter abnormalities: decreased fractional anisotropy and axial diffusivity, and increased radial diffusivity. DTI abnormalities were correlated with clinical disability, suggesting that there is comorbidity of central nervous system damage with peripheral neuropathy in CMT patients. ANN NEUROL 2017;81:147-151. PMID- 27863452 TI - Mutation in noncoding RNA RNU12 causes early onset cerebellar ataxia. AB - OBJECTIVE: Exome sequences account for only 2% of the genome and may overlook mutations causing disease. To obtain a more complete view, whole genome sequencing (WGS) was analyzed in a large consanguineous family in which members displayed autosomal recessively inherited cerebellar ataxia manifesting before 2 years of age. METHODS: WGS from blood-derived genomic DNA was used for homozygosity mapping and a rare variant search. RNA from isolated blood leukocytes was used for quantitative polymerase chain reaction (PCR), RNA sequencing, and comparison of the transcriptomes of affected and unaffected family members. RESULTS: WGS revealed a point mutation in noncoding RNA RNU12 that was associated with early onset cerebellar ataxia. The U12-dependent minor spliceosome edits 879 known transcripts. Reverse transcriptase PCR demonstrated minor intron retention in all of 9 randomly selected RNAs from this group, and RNAseq showed splicing disruption specific to all U12-type introns detected in blood monocytes from affected individuals. Moreover, 144 minor intron-containing RNAs were differentially expressed, including transcripts for 3 genes previously associated with cerebellar neurodegeneration. INTERPRETATION: Interference with particular spliceosome components, including small nuclear RNAs, cause reproducible uniquely distributed phenotypic and transcript-specific effects, making this an important category of disease-associated mutation. Our approach to differential expression analysis of minor intron-containing genes is applicable to other diseases involving altered transcriptome processing. ANN NEUROL 2017;81:68-78. PMID- 27863450 TI - Interaction network of the ribosome assembly machinery from a eukaryotic thermophile. AB - Ribosome biogenesis in eukaryotic cells is a highly dynamic and complex process innately linked to cell proliferation. The assembly of ribosomes is driven by a myriad of biogenesis factors that shape pre-ribosomal particles by processing and folding the ribosomal RNA and incorporating ribosomal proteins. Biochemical approaches allowed the isolation and characterization of pre-ribosomal particles from Saccharomyces cerevisiae, which lead to a spatiotemporal map of biogenesis intermediates along the path from the nucleolus to the cytoplasm. Here, we cloned almost the entire set (~180) of ribosome biogenesis factors from the thermophilic fungus Chaetomium thermophilum in order to perform an in-depth analysis of their protein-protein interaction network as well as exploring the suitability of these thermostable proteins for structural studies. First, we performed a systematic screen, testing about 80 factors for crystallization and structure determination. Next, we performed a yeast 2-hybrid analysis and tested about 32,000 binary combinations, which identified more than 1000 protein-protein contacts between the thermophilic ribosome assembly factors. To exemplary verify several of these interactions, we performed biochemical reconstitution with the focus on the interaction network between 90S pre-ribosome factors forming the ctUTP-A and ctUTP-B modules, and the Brix-domain containing assembly factors of the pre-60S subunit. Our work provides a rich resource for biochemical reconstitution and structural analyses of the conserved ribosome assembly machinery from a eukaryotic thermophile. PMID- 27863453 TI - A new class of hepatitis B and D virus entry inhibitors, proanthocyanidin and its analogs, that directly act on the viral large surface proteins. AB - : Introduction of direct-acting antivirals against hepatitis C virus (HCV) has provided a revolutionary improvement in the treatment outcome. In contrast to HCV, however, the strategy for developing new antiviral agents against hepatitis B virus (HBV), especially viral-targeting compounds, is limited because HBV requires only four viral genes for its efficient replication/infection. Here, we identify an oligomeric flavonoid, proanthocyanidin (PAC) and its analogs, which inhibit HBV entry into host cells by targeting the HBV large surface protein (LHBs). Through cell-based chemical screening, PAC was identified to inhibit HBV infection with little cytotoxic effect. PAC prevented the attachment of the preS1 region in the LHBs to its cellular receptor, sodium taurocholate cotransporting polypeptide (NTCP). PAC was shown to target HBV particles and impair their infectivity, whereas it did not affect the NTCP-mediated bile acid transport activity. Chemical biological techniques demonstrated that PAC directly interacted with the region essential for receptor binding in the preS1 region in the LHBs protein. Importantly, PAC had a pan-genotypic anti-HBV activity and was also effective against a clinically relevant nucleoside analog-resistant HBV isolate. We further showed that PAC augmented the ability of a nucleoside analog, tenofovir, to interrupt HBV spread over time in primary human hepatocytes by cotreatment. Moreover, derivative analysis could identify small molecules that demonstrated more-potent anti-HBV activity over PAC. CONCLUSION: PAC and its analogs represent a new class of anti-HBV agents that directly target the preS1 region of the HBV large surface protein. These agents could contribute to the development of a potent, well-tolerated, and broadly active inhibitor of HBV infection. (Hepatology 2017;65:1104-1116). PMID- 27863454 TI - Sensory organisation and reactive balance control of amateur rugby players: A cross-sectional study. AB - PURPOSE: This study compared the sensory organisation and reactive balance control of amateur rugby players and a control group. METHODS: Forty-one amateur rugby players (22 males: 19 females; mean height +/- SD = 168.8 +/- 8.8 cm; mean weight +/- SD = 63.9 +/- 12.5 kg) and 31 control participants (22 males: 9 females; mean height +/- SD = 171.5 +/- 10.3 cm; mean weight +/- SD = 63.8 +/- 10.3 kg) completed the study. Their sensory organisation and standing balance performance were evaluated using a sensory organisation test (SOT), and their reactive balance performance was quantified using a motor control test (MCT). The SOT equilibrium scores (ES) and sensory ratios and the MCT motor response latencies were the major outcome measures. RESULTS: The results revealed that compared to the controls, amateur rugby players had lower SOT ESs under different sensory environments (P < .001, [Formula: see text] = 0.142-0.254) and prolonged reactive motor response times in the MCT (P < .001, d = 0.890). The vestibular and visual ratios were also lower in the rugby group (P = .005, [Formula: see text] = 0.107 and 0.108, respectively). No significant difference was found in the somatosensory ratio (P = .853, [Formula: see text] < 0.001) between the two groups. CONCLUSIONS: Amateur rugby players demonstrated inferior standing balance performance compared to their non-trained counterparts. They relied less heavily on vestibular and visual inputs to maintain standing balance under different sensory environments. In addition, they reacted more slowly to postural disturbance, reflecting their suboptimal reactive balance ability in standing. PMID- 27863455 TI - What Did We Learn from the Animal Studies of Body Weight-Supported Treadmill Training and Where Do We Go from Here? AB - Body weight-supported treadmill training (BWSTT) developed from animal studies of spinal cord injury (SCI). Evidence that spinal cats (i.e., cats that have a complete surgical transection of the cord) could regain the ability to step on a moving treadmill indicated a vast potential for spinal circuits to generate walking without the brain. BWSTT represented a means to unlock that potential. As the technique was adapted as a rehabilitation intervention for humans with SCI, shortcomings in the translation to walking in the real world were exposed. Evidence that BWSTT has not been as successful for humans with SCI leads us to revisit key animal studies. In this short review, we describe the task-specific nature of BWSTT and discuss how this specificity may pose limits on the recovery of overground walking. Also discussed are more recent studies that have introduced new strategies and tools that adapt BWSTT ideas to more functionally relevant tasks. We introduce a new device for weight-supported overground walking in rats called Circular BART (Body weight supported Ambulatory Rat Trainer) and demonstrate that it is relatively easy and inexpensive to produce. Future animal studies will benefit from the development of simple tools that facilitate training and testing of overground walking. PMID- 27863456 TI - A microplate reader-based method to quantify NADH-cytochrome b5 reductase activity for diagnosis of recessive congenital methaemoglobinemia. AB - OBJECTIVES: Congenital methemoglobinemia due to NADH-cytochrome b5 reductase 3 (CYB5R3) deficiencies is an autosomal recessive disorder that occurs sporadically worldwide, A sensitive, accurate, and rapid analysis of NADH-CYB5R enzyme concentrations is necessary for the diagnosis of RCM. Here we present an alternative microplate method that is based on a standard 96-well microplate format and microplate reader that simplify the quantification of NADH-CYB5R activity. METHODS: TECAN (Infinite 200 PRO series) microplate reader with Tecan's proven MagellanTM software measured the NADH-CYB5R enzyme activity in 250 normal controls and previously diagnosed 25 cases of RCM due to NADH-CYB5R deficiency in the Indian population using 96-well microplates using 200 MUl of total reaction mixture and also compared with standard spectrophotometric assay. We have also studied stability of the hemolysate stored at 4 and -20 degrees C temperature. RESULTS AND DISCUSSION: Enzyme activity in all 25 samples ranged from 6.09 to 10.07 IU/g Hb (mean +/- SD: 8.08 +/- 1.99 IU/g Hb) where as normal control ranged (n = 250) between 13.42 and 21.58 IU/g Hb) (mean +/- SD: 17.5 +/- 4.08 IU/g of Hb). Data obtained from the microplate reader were compared with standard spectrophotometer method and found 100% concordance using both methods. Microplate method allows differentiating between normal, deficient and intermediate enzyme activity. It was observed that samples had significant loss of activity when stored at 4 degrees C and retained stable activity at -20 degrees C for 1 week time. CONCLUSION: Our new method, incorporating a whole process of enzyme assay into a microplate format is readily applicable and allows rapid monitoring of enzyme assay. It is readily applicable to quantitative assay on pediatric sample as well as large number of samples for population screening. PMID- 27863457 TI - The effects of high resistance-few repetitions and low resistance-high repetitions resistance training on climbing performance. AB - The aim of the study was to compare the effects of different strength training intensities on climbing performance, climbing-specific tests and a general strength test. Thirty lower grade and intermediate-level climbers participated in a 10-week training programme. The participants were randomized into three groups: high resistance-few repetitions training groups (HR-FR), low resistance-high repetitions training groups (LR-HR) and a control group (CON) which continued climbing/training as usual. Post-testing results demonstrated statistical tendencies for climbing performance improvements in the HR-FR and LR-HR (p = 0.088-0.090, effect size = 0.55-0.73), but no differences were observed between the groups (p = 0.950). For the climbing-specific tests, no differences were observed between the groups (p = 0.507-1.000), but the HR-FR and LR-HR improved their time in both Dead-hang (p = 0.004-0.026) and Bent-arm hang (p < 0.001 0.002). The HR-FR and LR-HR improved their 12RM strength in pull-down (p <= 0.001), but not the CON group (p = 0.250). No differences were observed in the CON group in any of the tests (p = 0.190-0.596) with the exception of improvement in Bent-arm Hang (p = 0.018). The training groups reduced their climbing sessions during the intervention compared to the CON group (p = 0.057-0.074). In conclusion, HR-FR and LR-HR training programmes demonstrated an 11% and 12% non significant improvement in climbing performance despite a 50% reduction in climbing sessions, but improved the results in strength and climbing-specific tests. None of the training intensities was superior compared to the others. PMID- 27863458 TI - Benchtop and Initial Clinical Evaluation of the ShockPulse Stone Eliminator in Percutaneous Nephrolithotomy. AB - PURPOSE: Standardized bench testing of the new ShockPulseTM intracorporeal lithotripter was performed against three commercially available lithotripsy systems to determine differences and nuances in performance. MATERIALS AND METHODS: The ShockPulse intracorporeal lithotripter was tested against the LUS 2TM, CyberWand,TM and EMS LithoClastTM in a standardized bench setting using hard (Ultracal-30) and soft (plaster of Paris) stone phantoms. An in vitro kidney model was used to record the time needed to fragment stone samples into retrievable-sized pieces. The time needed to fully comminute and evacuate stone samples was also recorded. The efficacy of each device at various applied pressures was determined using a hands-free apparatus, which was used to apply 1.0, 1.5, and 2.0 pounds of fixed force. RESULTS: For hard and soft stones, the time needed to create retrievable fragments was similar among all systems (p = 0.585). The ShockPulse was significantly faster than the LUS-2 and LithoClast at fully fragmenting and evacuating stone samples (p = 0.046), while the CyberWand was significantly slower than all three systems at this task (p = 0.001). When fixed forces were applied to a large stone phantom, the ShockPulse and CyberWand were significantly faster than the LUS-2 and LithoClast (p < 0.0001). When groups of smaller stones were tested, the ShockPulse was significantly faster at 1.0 pound (p < 0.001) and 1.5 pounds (p < 0.002) of force. At 2.0 pounds, no differences were observed (p = 0.09). CONCLUSIONS: The ShockPulse is equally as effective and, in some circumstances, more effective than the three commercially available devices against which it was tested in an in vitro setting. PMID- 27863460 TI - The effects of a three-year integrated Olympic education programme on adolescents' prosocial behaviours. AB - The concept of Olympic education and its use of moral education to shape the development of personality have received insufficient empirical support. The aim of this study was to examine the effects of an integrated Olympic education programme on the development of prosocial behaviour in adolescents. A natural experimental research design was applied in this study. The pre-test sample included 411 adolescents (aged 13-14) who were randomly selected from schools that had begun to apply an integrated Olympic education programme, along with 430 adolescents from schools without an Olympic education programme. The post-test sample included 381 students from schools implementing the Olympic education programme and 402 students from schools without an Olympic education programme. The revised prosocial tendencies measure was administered to the participants at pre- and post-test time points to assess changes in prosocial behaviour and specifically on six types of prosocial behaviour: public, anonymous, dire, emotional, compliant, and altruistic. The analyses showed significant improvements in prosocial behaviour in adolescents from schools that had implemented an integrated Olympic education programme. Changes in prosocial behaviour following the implementation of an integrated Olympic education programme were observed for the compliant, altruistic, and dire types of prosocial behaviour. In conclusion, these findings suggest that an integrated Olympic education programme effectively encourages prosocial behaviour in adolescents. This study expands our understanding of the efficiency of implementing an Olympic education programme in schools. We suggest that future research should investigate the behavioural changes in students of different ages from perspective of both teachers and students. PMID- 27863459 TI - Properties of Human Embryonic Stem Cells and Their Differentiated Derivatives Depend on Nonhistone DNA-Binding HMGB1 and HMGB2 Proteins. AB - HMGB1 and HMGB2 proteins have been implicated in numerous cellular processes, including proliferation, differentiation, apoptosis, and tumor growth. It is unknown whether they are involved in regulating the typical functions of pluripotent human embryonic stem cells (hESCs) and/or those of the differentiated derivatives of hESCs. Using inducible, stably transfected hESCs capable of shRNA mediated knockdown of HMGB1 and HMGB2, we provide evidence that downregulation of HMGB1 and/or HMGB2 in undifferentiated hESCs does not affect the stemness of cells and induces only minor changes to the proliferation rate, cell-cycle profile, and apoptosis. After differentiation is induced, however, the downregulation of those proteins has important effects on proliferation, apoptosis, telomerase activity, and the efficiency of differentiation toward the neuroectodermal lineage. Furthermore, those processes are affected only when one, but not both, of the two proteins is downregulated; the knockdown of both HMGB1 and HMGB2 results in a normal phenotype. Those results advance our knowledge of regulation of hESC and human neuroectodermal cell differentiation and illustrate the distinct roles of HMGB1 and HMGB2 during early human development. PMID- 27863462 TI - Liver abscess and bacteremia caused by lactobacillus: role of probiotics? Case report and review of the literature. AB - BACKGROUND: Lactobacilli are non-spore forming, lactic acid producing, gram positive rods. They are a part of the normal gastrointestinal and genitourinary microbiota and have rarely been reported to be the cause of infections. Lactobacilli species are considered non-pathogenic organisms and have been used as probiotics to prevent antibiotic associated diarrhea. There are sporadic reported cases of infections related to lactobacilli containing probiotics. CASE PRESENTATION: In this paper we discuss a case of an 82 year old female with liver abscess and bacteremia from lactobacillus after using probiotics containing lactobacilli in the course of her treatment of Clostridium difficile colitis. The Lactobacillus strain identification was not performed and therefore, both commensal microbiota and the probiotic product should be considered as possible sources of the strain. CONCLUSION: Lactobacilli can lead to bacteremia and liver abscesses in some susceptible persons and greater awareness of this potential side effect is warranted with the increasing use of probiotics containing lactobacilli. PMID- 27863461 TI - Pooled genome wide association detects association upstream of FCRL3 with Graves' disease. AB - BACKGROUND: Graves' disease is an autoimmune thyroid disease of complex inheritance. Multiple genetic susceptibility loci are thought to be involved in Graves' disease and it is therefore likely that these can be identified by genome wide association studies. This study aimed to determine if a genome wide association study, using a pooling methodology, could detect genomic loci associated with Graves' disease. RESULTS: Nineteen of the top ranking single nucleotide polymorphisms including HLA-DQA1 and C6orf10, were clustered within the Major Histo-compatibility Complex region on chromosome 6p21, with rs1613056 reaching genome wide significance (p = 5 * 10-8). Technical validation of top ranking non-Major Histo-compatablity complex single nucleotide polymorphisms with individual genotyping in the discovery cohort revealed four single nucleotide polymorphisms with p <= 10-4. Rs17676303 on chromosome 1q23.1, located upstream of FCRL3, showed evidence of association with Graves' disease across the discovery, replication and combined cohorts. A second single nucleotide polymorphism rs9644119 downstream of DPYSL2 showed some evidence of association supported by finding in the replication cohort that warrants further study. CONCLUSIONS: Pooled genome wide association study identified a genetic variant upstream of FCRL3 as a susceptibility locus for Graves' disease in addition to those identified in the Major Histo-compatibility Complex. A second locus downstream of DPYSL2 is potentially a novel genetic variant in Graves' disease that requires further confirmation. PMID- 27863463 TI - The ChIP-Seq tools and web server: a resource for analyzing ChIP-seq and other types of genomic data. AB - BACKGROUND: ChIP-seq and related high-throughput chromatin profilig assays generate ever increasing volumes of highly valuable biological data. To make sense out of it, biologists need versatile, efficient and user-friendly tools for access, visualization and itegrative analysis of such data. RESULTS: Here we present the ChIP-Seq command line tools and web server, implementing basic algorithms for ChIP-seq data analysis starting with a read alignment file. The tools are optimized for memory-efficiency and speed thus allowing for processing of large data volumes on inexpensive hardware. The web interface provides access to a large database of public data. The ChIP-Seq tools have a modular and interoperable design in that the output from one application can serve as input to another one. Complex and innovative tasks can thus be achieved by running several tools in a cascade. CONCLUSIONS: The various ChIP-Seq command line tools and web services either complement or compare favorably to related bioinformatics resources in terms of computational efficiency, ease of access to public data and interoperability with other web-based tools. The ChIP-Seq server is accessible at http://ccg.vital-it.ch/chipseq/ . PMID- 27863464 TI - Low wall shear stress is associated with the rupture of intracranial aneurysm with known rupture point: case report and literature review. AB - BACKGROUND: Few previous hemodynamic studies demonstrated the detailed features of rupture point of intracranial aneurysms. The hemodynamic simulation for the case that ruptured during angiography was even rare. In the present study, we studied the hemodynamic characteristics of a posterior communicating artery segment aneurysm that ruptured during angiography and detailed the hemodynamic features at the rupture point. CASE PRESENTATION: One 64-years-patient was 60-69 years old and suffered a subarachnoid hemorrhage within 24 h. Standard digital subtraction angiography and three-dimensional (3D) rotational angiography were performed and an 8 mm left posterior communicating artery segment aneurysm was found. The patient had a seizure immediately following 3D angiography for about 40 s and the immediate follow-up angiography showed contrast extravasation from the tip of identified aneurysms. The consequent vital sign of the patient became unstable. Urgent embolization under general anesthesia was planned, but the relatives refused interventional operation considering the high risk of procedure and poor condition of the patient. The computational fluid dynamic (CFD) method was used to evaluate the hemodynamic characteristics at rupture point, and the results showed that the rupture point was associated with markedly low wall shear stress and high oscillatory shear index without flow impingement. CONCLUSIONS: We present a rare case of which the rupture site was identified during angiography. The hemodynamic simulations revealed that the rupture point was associated with markedly low WSS and high OSI without flow impingement. The result may be unique to this particular aneurysm; however, our findings provide insight into the hemodynamics of rupture point. PMID- 27863465 TI - Bacillus species (BT42) isolated from Coffea arabica L. rhizosphere antagonizes Colletotrichum gloeosporioides and Fusarium oxysporum and also exhibits multiple plant growth promoting activity. AB - BACKGROUND: Colletotrichum and Fusarium species are among pathogenic fungi widely affecting Coffea arabica L., resulting in major yield loss. In the present study, we aimed to isolate bacteria from root rhizosphere of the same plant that is capable of antagonizing Colletotrichum gloeosporioides and Fusarium oxysporum as well as promotes plant growth. RESULTS: A total of 42 Bacillus species were isolated, one of the isolates named BT42 showed maximum radial mycelial growth inhibition against Colletotrichum gloeosporioides (78%) and Fusarium oxysporum (86%). BT42 increased germination of Coffee arabica L. seeds by 38.89%, decreased disease incidence due to infection of Colletotrichum gloeosporioides to 2.77% and due to infection of Fusarium oxysporum to 0 (p < 0.001). The isolate BT42 showed multiple growth-promoting traits. The isolate showed maximum similarity with Bacillus amyloliquefaciens. CONCLUSION: Bacillus species (BT42), isolated in the present work was found to be capable of antagonizing the pathogenic effects of Colletotrichum gloeosporioides and Fusarium oxysporum. The mechanism of action of inhibition of the pathogenic fungi found to be synergistic effects of secondary metabolites, lytic enzymes, and siderophores. The major inhibitory secondary metabolite identified as harmine (beta-carboline alkaloids). PMID- 27863466 TI - Brachial-ankle pulse wave velocity and metabolic syndrome in general population: the APAC study. AB - BACKGROUND: Metabolic syndrome (MetS) is correlated with arterial stiffness and can be evaluated by brachial-ankle pulse wave velocity (baPWV). We investigated potential associations between MetS and baPWV in a Chinese community population. METHODS: The community-based Asymptomatic Polyvascular Abnormalities in Community study examined asymptomatic polyvascular abnormalities in a Chinese population aged >=40 years. The relationship between MetS and its components and baPWV was analyzed by multivariate logistic and linear regression models. RESULTS: Out of 5181 study participants, 1271 subjects (24.53%) had MetS. Mean values of baPWV in subjects with 0, 1, 2,3, 4, and 5 components of MetS were 1430, 1526, 1647, 1676,1740, and 1860 cm/s, respectively (p < 0.001 for trend). After adjusting for confounding risk factors, MetS was significantly associated with baPWV (odds ratio [OR]: 2.74; 95% CI: 2.28, 3.30). Among the five components of MetS, elevated blood pressure was the most important factor for baPWV. All models of multivariate linear regression analysis showed a significant positive correlation between the increasing numbers of MetS components and baPWV (p < 0.0001). CONCLUSIONS: baPWV was associated with MetS and was greater with increasing numbers of MetS components. Elevated blood pressure was the most important factor for baPWV. PMID- 27863467 TI - Microarray analysis reveals a potential role of LncRNAs expression in cardiac cell proliferation. AB - BACKGROUND: Long non-coding RNAs (LncRNAs) have been identified to play important roles in epigenetic processes that underpin organogenesis. However, the role of LncRNAs in the regulation of transition from fetal to adult life of human heart has not been evaluated. METHODS: Immunofiuorescent staining was used to determine the extent of cardiac cell proliferation. Human LncRNA microarrays were applied to define gene expression signatures of the fetal (13-17 weeks of gestation, n = 4) and adult hearts (30-40 years old, n = 4). Pathway analysis was performed to predict the function of differentially expressed mRNAs (DEM). DEM related to cell proliferation were selected to construct a lncRNA-mRNA co-expression network. Eight lncRNAs were confirmed by quantificational real-time polymerase chain reaction (n = 6). RESULTS: Cardiac cell proliferation was significant in the fetal heart. Two thousand six hundred six lncRNAs and 3079 mRNAs were found to be differentially expressed. Cell cycle was the most enriched pathway in down regulated genes in the adult heart. Eight lncRNAs (RP11-119 F7.5, AX747860, HBBP1, LINC00304, TPTE2P6, AC034193.5, XLOC_006934 and AL833346) were predicted to play a central role in cardiac cell proliferation. CONCLUSIONS: We discovered a profile of lncRNAs differentially expressed between the human fetal and adult heart. Several meaningful lncRNAs involved in cardiac cell proliferation were disclosed. PMID- 27863468 TI - The changing epidemiology of bacillary dysentery and characteristics of antimicrobial resistance of Shigella isolated in China from 2004-2014. AB - BACKGROUND: Bacillary dysentery caused by bacteria of the genus Shigella is a significant public health problem in developing countries such as China. The objective of this study was to analyze the epidemiological pattern of bacillary dysentery, the diversity of the causative agent, and the antimicrobial resistance patterns of Shigella spp. for the purpose of determining the most effective allocation of resources and prioritization of interventions. METHODS: Surveillance data were acquired from the National Infectious Disease Information Reporting System (2004-2014) and from the sentinel hospital-based surveillance system (2005-2014). We analyzed the spatial and temporal distribution of bacillary dysentery, age and sex distribution, species diversity, and antimicrobial resistance patterns of Shigella spp. RESULTS: The surveillance registry included over 3 million probable cases of bacillary dysentery during the period 2004-2014. The annual incidence rate of bacillary dysentery decreased from 38.03 cases per 100,000 person-years in 2004 to 11.24 cases per 100,000 person years in 2014. The case-fatality rate decreased from 0.028% in 2004 to 0.003% in 2014. Children aged <1 year and 1-4 years were most affected, with higher incidence rates (228.59 cases per 100,000 person-years and 92.58 cases per 100,000 person-years respectively). The annual epidemic season occurred between June and September. A higher incidence rate of bacillary dysentery was found in the Northwest region, Beijing and Tianjin during the study period. Shigella flexneri was the most prevalent species that caused bacillary dysentery in China (63.86%), followed by Shigella sonnei (34.89%). Shigella isolates were highly resistant to nalidixic acid (89.13%), ampicillin (88.90%), tetracycline (88.43%), and sulfamethoxazole (82.92%). During the study period, isolates resistant to ciprofloxacin and cefotaxime increased from 8.53 and 7.87% in 2005 to 44.65 and 29.94% in 2014, respectively. CONCLUSIONS: The incidence rate of bacillary dysentery has undergone an obvious decrease from 2004 to 2014. Priority interventions should be delivered to populations in northwest China and to individuals aged <5 years. Antimicrobial resistance of Shigella is a serious public health problem and it is important to consider the susceptibility profile of isolates before determining treatment. PMID- 27863469 TI - Changes in intraocular pressure values measured with noncontact tonometer (NCT), ocular response analyzer (ORA) and corvis scheimpflug technology tonometer (CST) in the early phase after small incision lenticule extraction (SMILE). AB - BACKGROUND: Corneal biomechanical properties are always compromised after corneal refractive surgeries thus leading to underestimated intraocular pressure (IOP) that complicates the management of IOP. We investigated the changes in postoperative baseline of IOP values measured with noncontact tonometer (NCT), ocular response analyzer (ORA) and corvis scheimpflug technology (CST) in the early phase after small incision lenticule extraction (SMILE). METHODS: Twenty two eyes (-6.76 +/- 1.39D) of 22 moderate and high myopes, (28.36 +/- 7.14 years, 12 male and 10 female) were involved in this prospective study. IOP values were measured using a non-contact tomometer (NCT-IOP), an ocular response analyzer (corneal-compensated IOP, IOPcc and Goldmann-correlated IOP, IOPg) and a Corvis scheimpflug technology tonometer (CST-IOP) preoperatively, at 20 min and 24 h, postoperatively. Repeated measures analysis of variance (RM-ANOVA), Pearson's correlation analysis and multiple linear regression models (stepwise) were performed. Cut-off P values were 0.05. RESULTS: Except for IOPcc, NCT-IOP, IOPg, and CST-IOP values significantly decreased after SMILE procedure (All P values <0.05). DeltaCCT, as well as DeltaMRSE and DeltaKm, did not significantly correlated with DeltaNCT-IOP, DeltaIOPcc, DeltaIOPg or DeltaCST-IOP, (all P values >0.05). Multiple linear regression models (stepwise) showed that the practical post-operative IOP value was the main predictor of the theoretical post operative NCT-IOP, IOPcc and IOPg values (all P values <0.001). The postoperative applanation time 1 (AT1) value (B = 8.079, t = 4.866, P < 0.001), preoperative central corneal thickness (CCT) value (B = 0.035, t = 2.732, P = 0.014) and postoperative peak distance (PD) value (B = 0.515, t = 2.176, P = 0.043) were the main predictors of the theoretical post-operative CST-IOP value. CONCLUSIONS: IOP values are underestimated when assessed after SMILE by using NCT-IOP, IOPg and CST-IOP. The practical postoperative IOPcc value and theoretical post-operative CST-IOP value may be more preferable for IOP assessment in the early phase after SMILE. TRIAL REGISTRATION: Current Controlled Trials ChiCTRONRC13003114 . Retrospectively registered 17 March 2013. PMID- 27863470 TI - Transcript profiling for early stages during embryo development in Scots pine. AB - BACKGROUND: Characterization of the expression and function of genes regulating embryo development in conifers is interesting from an evolutionary point of view. However, our knowledge about the regulation of embryo development in conifers is limited. During early embryo development in Pinus species the proembyo goes through a cleavage process, named cleavage polyembryony, giving rise to four embryos. One of these embryos develops to a dominant embryo, which will develop further into a mature, cotyledonary embryo, while the other embryos, the subordinate embryos, are degraded. The main goal of this study has been to identify processes that might be important for regulating the cleavage process and for the development of a dominant embryo. RESULTS: RNA samples from embryos and megagametophytes at four early developmental stages during seed development in Pinus sylvestris were subjected to high-throughput sequencing. A total of 6.6 million raw reads was generated, resulting in 121,938 transcripts, out of which 36.106 contained ORFs. 18,638 transcripts were differentially expressed (DETs) in embryos and megagametophytes. GO enrichment analysis of transcripts up-regulated in embryos showed enrichment for different cellular processes, while those up regulated in megagametophytes were enriched for accumulation of storage material and responses to stress. The highest number of DETs was detected during the initiation of the cleavage process. Transcripts related to embryogenic competence, cell wall modifications, cell division pattern, axis specification and response to hormones and stress were highly abundant and differentially expressed during early embryo development. The abundance of representative DETs was confirmed by qRT-PCR analyses. CONCLUSION: Based on the processes identified in the GO enrichment analyses and the expression of the selected transcripts we suggest that (i) processes related to embryogenic competence and cell wall loosening are involved in activating the cleavage process; (ii) apical-basal polarization is strictly regulated in dominant embryos but not in the subordinate embryos; (iii) the transition from the morphogenic phase to the maturation phase is not completed in subordinate embryos. This is the first genome-wide transcript expression profiling of the earliest stages during embryo development in a Pinus species. Our results can serve as a framework for future studies to reveal the functions of identified genes. PMID- 27863471 TI - Tanshinone IIA combined with adriamycin inhibited malignant biological behaviors of NSCLC A549 cell line in a synergistic way. AB - BACKGROUND: The study was designed to develop a platform to verify whether the extract of herbs combined with chemotherapy drugs play a synergistic role in anti tumor effects, and to provide experimental evidence and theoretical reference for finding new effective sensitizers. METHODS: Inhibition of tanshinone IIA and adriamycin on the proliferation of A549, PC9 and HLF cells were assessed by CCK8 assays. The combination index (CI) was calculated with the Chou-Talalay method, based on the median-effect principle. Migration and invasion ability of A549 cells were determined by wound healing assay and transwell assay. Flow cytometry was used to detect the cell apoptosis and the distribution of cell cycles. TUNEL staining was used to detect the apoptotic cells. Immunofluorescence staining was used to detect the expression of Cleaved Caspase-3. Western blotting was used to detect the proteins expression of relative apoptotic signal pathways. CDOCKER module in DS 2.5 was used to detect the binding modes of the drugs and the proteins. RESULTS: Both tanshinone IIA and adriamycin could inhibit the growth of A549, PC9, and HLF cells in a dose- and time-dependent manner, while the proliferative inhibition effect of tanshinone IIA on cells was much weaker than that of adriamycin. Different from the cancer cells, HLF cells displayed a stronger sensitivity to adriamycin, and a weaker sensitivity to tanshinone IIA. When tanshinone IIA combined with adriamycin at a ratio of 20:1, they exhibited a synergistic anti-proliferation effect on A549 and PC9 cells, but not in HLF cells. Tanshinone IIA combined with adriamycin could synergistically inhibit migration, induce apoptosis and arrest cell cycle at the S and G2 phases in A549 cells. Both groups of the single drug treatment and the drug combination up regulated the expressions of Cleaved Caspase-3 and Bax, but down-regulated the expressions of VEGF, VEGFR2, p-PI3K, p-Akt, Bcl-2, and Caspase-3 protein. Compared with the single drug treatment groups, the drug combination groups were more statistically significant. The molecular docking algorithms indicated that tanshinone IIA could be docked into the active sites of all the tested proteins with H-bond and aromatic interactions, compared with that of adriamycin. CONCLUSIONS: Tanshinone IIA can be developed as a novel agent in the postoperative adjuvant therapy combined with other anti-tumor agents, and improve the sensibility of chemotherapeutics for non-small cell lung cancer with fewer side effects. In addition, this experiment can not only provide a reference for the development of more effective anti-tumor medicine ingredients, but also build a platform for evaluating the anti-tumor effects of Chinese herbal medicines in combination with chemotherapy drugs. PMID- 27863472 TI - The extent of using mobility assistive devices can partly explain fatigue among persons with late effects of polio - a retrospective registry study in Sweden. AB - BACKGROUND: Fatigue is reported as one of the most disabling symptoms and is common among persons living with late effects of polio. Although fatigue has been studied in the context of people living with late effects of polio, there is a lack of knowledge concerning the association of fatigue and variables of importance for participation in daily life. Therefore, the aim of this study was to explore possible factors associated with fatigue among persons with late effects of polio in Sweden. METHODS: This retrospective registry study consisted of 89 persons with late effects of polio living in Sweden. Fatigue was measured with the Multidimensional Fatigue Inventory (MFI-20) scale, Swedish version. Pearson's correlation coefficient was used to analyse the correlation between the factors and fatigue, and a multiple linear regression was carried out to explore factors for fatigue. RESULTS: Fatigue statistically significantly correlated with age (r = 0.234, p < 0.05) and the use of mobility assistive devices (r = 0.255, p < 0.05). The multiple linear regression model showed that the factors age (beta = 0.304, p < 0.019) and mobility assistive devices (beta = 0.262, p < 0.017) were associated with fatigue among persons living with late effects of polio, and the model partly explained 14% of the variation of fatigue. CONCLUSIONS: Fatigue could partly be explained by the extent of using mobility assistive devices and age. Healthcare professionals should provide and demonstrate the importance of assistive devices to ensure management of fatigue in persons living with late effects of polio. PMID- 27863473 TI - ANLN is a prognostic biomarker independent of Ki-67 and essential for cell cycle progression in primary breast cancer. AB - BACKGROUND: Anillin (ANLN), an actin-binding protein required for cytokinesis, has recently been presented as part of a prognostic marker panel in breast cancer. The objective of the current study was to further explore the prognostic and functional value of ANLN as a single biomarker in breast cancer. METHODS: Immunohistochemical assessment of ANLN protein expression was performed in two well characterized breast cancer cohorts (n = 484) with long-term clinical follow up data and the results were further validated at the mRNA level in a publicly available transcriptomics dataset. The functional relevance of ANLN was investigated in two breast cancer cell lines using RNA interference. RESULTS: High nuclear fraction of ANLN in breast tumor cells was significantly associated with large tumor size, high histological grade, high proliferation rate, hormone receptor negative tumors and poor prognosis in both examined cohorts. Multivariable analysis showed that the association between ANLN and survival was significantly independent of age in cohort I and significantly independent of proliferation, as assessed by Ki-67 expression in tumor cells, age, tumor size, ER and PR status, HER2 status and nodal status in cohort II. Analysis of ANLN mRNA expression confirmed that high expression of ANLN was significantly correlated to poor overall survival in breast cancer patients. Consistent with the role of ANLN during cytokinesis, transient knock-down of ANLN protein expression in breast cancer cell lines resulted in an increase of senescent cells and an accumulation of cells in the G2/M phase of the cell cycle with altered cell morphology including large, poly-nucleated cells. Moreover, ANLN siRNA knockdown also resulted in decreased expression of cyclins D1, A2 and B1. CONCLUSIONS: ANLN expression in breast cancer cells plays an important role during cell division and a high fraction of nuclear ANLN expression in tumor cells is correlated to poor prognosis in breast cancer patients, independent of Ki-67, tumor size, hormone receptor status, HER2 status, nodal status and age. PMID- 27863475 TI - Spanish modified version of the palliative care outcome scale-symptoms renal: cross-cultural adaptation and validation. AB - BACKGROUND: Patients with chronic kidney disease (CKD) have a high symptoms burden that is related to a poor health-related quality of life (HRQoL) and high costs of care. Validated instruments may be useful for assessing the symptoms and monitoring outcomes in these patients. The Palliative care Outcome Scale-Symptoms Renal (POS-S Renal) is a patient-reported outcome measure for assessing symptoms in CKD stage 4-5. This study is the first cross-cultural adaptation and psychometric analysis of this clinical tool. The purpose of this study is to carry out a cross-cultural adaptation of the POS-S Renal for Spanish-speaking patients, and to perform an analysis of the psychometric properties of this questionnaire. METHODS: The English version of the POS-S Renal was culturally adapted and translated into Spanish using a double forward and backward method. An expert panel evaluated the content validity. The questionnaire was pilot tested in 30 patients. A total of 200 patients with CKD stage 4-5 filled in a modified Spanish version of the POS-S Renal and the MSAS-SF. Statistical analysis to evaluate the psychometric properties of the questionnaire was carried out. RESULTS: The content validity index (CVI) was 0.97, which indicated that the content of the instrument is an adequate reflection of the symptoms in advanced CKD (ACKD). The factor analysis indicated a two-factor solution explaining 35.05% of total variance. The confirmatory factor analysis (CFA) demonstrated that the two factor model was well supported (comparative fit index = 0.98, root mean square error of approximation = 0.068). This assessment tool demonstrated a satisfactory test-retest reliability (r = 0.909 to factor 1, r = 0.695 to factor 2, r = 0.887 to total score), good internal consistency to factor 1 (alpha = 0.78) and moderate internal consistency to factor 2 (alpha = 0.56). Concurrent criterion-related validity with MSAS-SF was also demonstrated, with r = 0.860, which indicated a high degree of correlation with a validated instrument that has been used in patients with ACKD. CONCLUSIONS: The Spanish modified version of the POS-S Renal is a reliable and valid instrument that can be used to assess symptoms in Spanish patients with CKD stage 4-5. PMID- 27863474 TI - Hypoxic resistance of KRAS mutant tumor cells to 3-Bromopyruvate is counteracted by Prima-1 and reversed by N-acetylcysteine. AB - BACKGROUND: The metabolic inhibitor 3-bromopyruvate (3-BrPA) is a promising anti cancer alkylating agent, shown to inhibit growth of some colorectal carcinoma with KRAS mutation. Recently, we demonstrated increased resistance to 3-BrPA in wt p53 tumor cells compared to those with p53 silencing or mutation. Since hypoxic microenvironments select for tumor cells with diminished therapeutic response, we investigated whether hypoxia unequally increases resistance to 3 BrPA in wt p53 MelJuso melanoma harbouring (Q61L)-mutant NRAS and wt BRAF, C8161 melanoma with (G12D)-mutant KRAS (G464E)-mutant BRAF, and A549 lung carcinoma with a KRAS (G12S)-mutation. Since hypoxia increases the toxicity of the p53 activator, Prima-1 against breast cancer cells irrespective of their p53 status, we also investigated whether Prima-1 reversed hypoxic resistance to 3-BrPA. RESULTS: In contrast to the high susceptibility of hypoxic mutant NRAS MelJuso cells to 3-BrPA or Prima-1, KRAS mutant C8161 and A549 cells revealed hypoxic resistance to 3-BrPA counteracted by Prima-1. In A549 cells, Prima-1 increased p21CDKN1mRNA, and reciprocally inhibited mRNA expression of the SLC2A1-GLUT1 glucose transporter-1 and ALDH1A1, gene linked to detoxification and stem cell properties. 3-BrPA lowered CAIX and VEGF mRNA expression. Death from joint Prima 1 and 3-BrPA treatment in KRAS mutant A549 and C8161 cells seemed mediated by potentiating oxidative stress, since it was antagonized by the anti-oxidant and glutathione precursor N-acetylcysteine. CONCLUSIONS: This report is the first to show that Prima-1 kills hypoxic wt p53 KRAS-mutant cells resistant to 3-BrPA, partly by decreasing GLUT-1 expression and exacerbating pro-oxidant stress. PMID- 27863476 TI - Is immunohistochemistry of BRAF V600E useful as a screening tool and during progression disease of melanoma patients? AB - BACKGROUND: In clinical practice the gold standard method to assess BRAF status in patients with metastatic melanoma is based on molecular assays. Recently, a mutation-specific monoclonal antibody (VE1), which detects the BRAF V600E mutated protein, has been developed. With this study we aimed to confirm the clinical value of the VE1 Ventana(r) antibody, as today a univocal validated and accredited immunohistochemical procedure does not exist, to preliminary detect BRAF status in our routine diagnostic procedures. Moreover, we explored the biological meaning of BRAF immunohistochemical labeling both as a predictor marker of response to target therapy and, for the first time, as a player of acquired tumor drug resistance. METHODS: We analyzed a retrospective series of 64 metastatic melanoma samples, previously investigated for molecular BRAF status, using a fully automatized immunohistochemical method. We correlated the data to the clinicopathologic characteristics of patients and their clinical outcome. RESULTS: The sensitivity and the specificity of the Ventana(r) VE1 antibody were 89.2 and 96.2% respectively, while the positive predictive value and negative predictive value were 97.1 and 86.2%, respectively. For six mutated patients the histological sample before treatment and when disease progressed was available. The immunohistochemical BRAF V600E expression in the specimens when disease progressed was less intense and more heterogeneous compared to the basal expression. Multivariate analysis revealed that a less intense grade of positive expression is an independent predictor of a less aggressive stage at diagnosis (p = 0.0413). CONCLUSIONS: Our findings encourage the introduction of immunohistochemistry as a rapid screening tool for the assessment of BRAF status in melanoma patients in routine diagnostic procedures and prepare the ground for other studies to highlight the role of immunohistochemical BRAF V600E expression in patients at the time of progression. PMID- 27863477 TI - Keratin 19 as a key molecule in progression of human hepatocellular carcinomas through invasion and angiogenesis. AB - BACKGROUND: Keratin (K) 19-positive hepatocellular carcinoma (HCC) is well known to have a higher malignant potential than K19-negative HCC: However, the molecular mechanisms involved in K19-mediated progression of HCC remain unclear. We attempted to clarify whether K19 directly affects cell survival and invasiveness in association with cellular senescence or epithelial-mesenchymal transition (EMT) in K19-positive HCC. METHODS: K19 expression was analysed in 136 HCC surgical specimens. The relationship of K19 with clinicopathological factors and survival was analysed. Further, the effect of K19 on cell proliferation, invasion, and angiogenesis was examined by silencing K19 in the human HCC cell lines, HepG2, HuH-7, and PLC/PRF/5. Finally, we investigated HCC invasion, proliferation, and angiogenesis using K19-positive HCC specimens. RESULTS: Analysis of HCC surgical specimens revealed that K19-positive HCC exhibited higher invasiveness, metastatic potential, and poorer prognosis. In vitro experiments using the human HCC cell lines revealed that K19 silencing suppressed cell growth by inducting apoptosis or upregulating p16 and p27, resulting in cellular senescence. In addition, transfection with K19 siRNA upregulated E cadherin gene expression, significantly inhibited the invasive capacity of the cells, downregulated angiogenesis-related molecules such as vasohibin-1 (VASH1) and fibroblast growth factor 1 (FGFR1), and upregulated vasohibin-2 (VASH2). K19 positive HCC specimens exhibited a high MIB-1 labelling index, decreased E cadherin expression, and high microvessel density around cancer foci. CONCLUSION: K19 directly promotes cancer cell survival, invasion, and angiogenesis, resulting in HCC progression and poor clinical outcome. K19 may therefore be a novel drug target for the treatment of K19-positive HCC. PMID- 27863478 TI - Prognostic value of CD66b positive tumor-infiltrating neutrophils in testicular germ cell tumor. AB - BACKGROUND: Prognostic value of immune cells is not clear in testicular germ cell tumors (TGCTs). We aimed to investigate the prognostic value of tumor infiltrating neutrophils in TGCTs. METHODS: A total of 102 patients who underwent orchiectomy for TGCT were investigated for CD66b positive tumor-infiltrating neutrophils (CD66b + TINs). Immmunostaining for CD66b was performed in 102 sections as described. Clinicopathological parameters as well as cancer specific survival and overall survival were assessed for correlation with CD66b + TIN density. RESULTS: High density group was significantly correlated with tumor diameter >= 10 cm, presence of nodal/distant metastasis, S stage, diagnosis of nonseminomatous germ cell tumor (NGCT), and presence of venous invasion (p = 0.0198, p < 0.0001, p = 0.0275, p = 0.0004, and p = 0.0287, respectively). It was also significantly associated with cancer-specific and overall survival (logrank p = 0.0036, and p = 0.0002, respectively). Multivariate analysis showed that increased CD66b + TIN was an independent prognostic factor for overall survival (p = 0.0095). CONCLUSIONS: Increased CD66b + TIN was significantly associated with presence of metastasis, S stage, and nonseminomatous germ cell tumor diagnosis. It was also an independent prognostic factor of overall survival in patients with TGCT. PMID- 27863479 TI - Myasthenic symptoms in anti-low-density lipoprotein receptor-related protein 4 antibody-seropositive amyotrophic lateral sclerosis: two case reports. AB - BACKGROUND: Myasthenic symptoms can be present in patients with amyotrophic lateral sclerosis (ALS). These symptoms have been considered to be caused by the degeneration of distal motor neurons and the neuromuscular junction (NMJ). Recent studies suggested that antibody to low-density lipoprotein receptor-related protein 4 (LRP4) was a pathogenic agent of myasthenia gravis (MG), and it was also detected in ALS patients. CASE PRESENTATION: Patient 1: A 58-year-old Japanese man developed progressive weakness and subsequent myasthenic symptoms including oculomotor disturbance. Clinical examination and electrophysiological studies confirmed upper and lower motor neuron involvement and NMJ dysfunction, and anti-LRP4 antibody was detected in his serum. A series of immunotherapies, including steroid pulse therapy, intravenous immunoglobulin, and plasmapheresis, was performed, and the myasthenic symptoms partially improved. The titer of anti LRP4 antibody subsequently decreased. However, the therapeutic effect was transient, and ALS symptoms progressed. His clinical findings fulfilled the criteria of probable ALS using the Awaji criteria. Patient 2: A 74-year-old Japanese man suffered from progressive weakness of all limbs and dropped head in the evening. He complained of diplopia with a lateral horizontal gaze. Probable ALS was diagnosed because of the upper and lower motor neuron signs, whereas anti LRP4 antibody was detected. Several immunotherapies were administered, and the myasthenic symptoms partially responded to each therapy. However, the truncal muscle weakness progressed, and he died of respiratory failure. CONCLUSION: We report two anti-LRP4 antibody-seropositive ALS patients with myasthenia who were not typical of ALS patients, and showed partial responses to immunotherapies. The anti-LRP4 antibody-seropositive status may influence developing ALS and cause additional ALS symptoms. PMID- 27863480 TI - Effects of lifestyle intervention using patient-centered cognitive behavioral therapy among patients with cardio-metabolic syndrome: a randomized, controlled trial. AB - BACKGROUND: Cardio-metabolic syndrome (CMS) is a highly prevalent condition. There is an urgent need to identify effective and integrated multi-disciplinary approaches that can reduce risk factors for CMS. METHODS: Sixty-two patients with a history of CMS were randomized 1:1 into two groups: a standard information only group (control), or a self-regulated lifestyle waist circumference (patient centered cognitive behavioral therapy) intervention group. A pretest and posttest, controlled, experimental design was used. Outcomes were measured at the baseline (week 0) and at the end of intervention (week 12). Comparisons were drawn between groups and over time. RESULTS: The mean (standard deviation) age of the subjects was 48.6 (5.8) years ranging from 32 to 63, and 56.9% of the participants were female. Both groups showed no significant differences in Demographic variables and the metabolic syndrome indicators at baseline. While the control group only showed modest improvement after 12 weeks, compared to baseline, the intervention group demonstrated significant improvement from baseline. This study controlled for patients' demographics and baseline characteristics when assessing the effects of intervention. After adjusting for age, education and baseline level, the experimental group and the control group were statistically significant different in the following post-treatment outcomes: WC (F = 35.96, P < 0.001), TG (F = 18.93, P < 0.001), RSBP (F = 33.89, P < 0.001) and SF-36(F = 157.93, P < 0.001). The results showed patients' age and education were not strong predictors of patients' outcome (including WC, TG, RSBP and SF-36). CONCLUSIONS: Lifestyle intervention on patient-centered cognitive behavioral therapy can improve the physical and mental health conditions among individuals reporting a history of cardio-metabolic syndrome, and possibly provided preliminary benefits for the treatment of CMS. TRIAL REGISTRATION: Chinese Clinical Trial Register #, ChiCTR15006148 . PMID- 27863481 TI - Association of nutritional status-related indices and chemotherapy-induced adverse events in gastric cancer patients. AB - BACKGROUND: Malnutrition in gastrectomized patients receiving chemotherapy is associated with the susceptibility to chemotherapy-related adverse events. This study evaluated pre-operative nutritional status-related indices associated with adverse events in post-operation gastric cancer patients receiving chemotherapy. METHODS: Medical records of 234 gastrectomized patients under adjuvant tegafur/gimeracil/oteracil chemotherapy with extended lymph node dissection were analyzed. Nutritional status assessment included Patient-Generated Subjective Global Assessment (PG-SGA), body weight, body mass index, serum albumin concentration, and Nutrition Risk Index (NRI). Chemotherapy-originated adverse events were determined using Common Terminology Criteria for Adverse Events. RESULTS: PG-SGA indicated 59% of the patients were malnourished, and 27.8% of the patients revealed serious malnutrition with PG-SGA score of >=9. Fifteen % of patients lost >=10% of the initial body weight, 14.5% of the patients had hypoalbuminemia (<3.5 g/dL), and 66.2% had NRI score less than 97.5 indicating moderate to severe malnutrition. Hematological adverse events were present in 94% (>=grade 1) and 16.2% (>=grade 3). Non-hematological adverse events occurred in 95.7% (>=grade1) and 16.7% (>=grade 3) of the patients. PG-SGA and NRI score was not associated with treatment-induced adverse events. Multivariate analyses indicated that female, low body mass index, and hypoalbuminemia were independent risk factors for grade 3/4 hematological adverse events. Age was an independent risk factor for grade 3/4 non-hematological adverse events. Neutropenia was the most frequently occurring adverse event, and associated risk factors were female, total gastrectomy, and hypoalbuminemia. CONCLUSIONS: Hypoalbuminemia, not PG-SGA or NRI may predict chemotherapy-induced adverse events in gastrectomized cancer patients. PMID- 27863482 TI - In silico SNP analysis of the breast cancer antigen NY-BR-1. AB - BACKGROUND: Breast cancer is one of the most common malignancies with increasing incidences every year and a leading cause of death among women. Although early stage breast cancer can be effectively treated, there are limited numbers of treatment options available for patients with advanced and metastatic disease. The novel breast cancer associated antigen NY-BR-1 was identified by SEREX analysis and is expressed in the majority (>70%) of breast tumors as well as metastases, in normal breast tissue, in testis and occasionally in prostate tissue. The biological function and regulation of NY-BR-1 is up to date unknown. METHODS: We performed an in silico analysis on the genetic variations of the NY BR-1 gene using data available in public SNP databases and the tools SIFT, Polyphen and Provean to find possible functional SNPs. Additionally, we considered the allele frequency of the found damaging SNPs and also analyzed data from an in-house sequencing project of 55 breast cancer samples for recurring SNPs, recorded in dbSNP. RESULTS: Over 2800 SNPs are recorded in the dbSNP and NHLBI ESP databases for the NY-BR-1 gene. Of these, 65 (2.07%) are synonymous SNPs, 191 (6.09%) are non-synoymous SNPs, and 2430 (77.48%) are noncoding intronic SNPs. As a result, 69 non-synoymous SNPs were predicted to be damaging by at least two, and 16 SNPs were predicted as damaging by all three of the used tools. The SNPs rs200639888, rs367841401 and rs377750885 were categorized as highly damaging by all three tools. Eight damaging SNPs are located in the ankyrin repeat domain (ANK), a domain known for its frequent involvement in protein-protein interactions. No distinctive features could be observed in the allele frequency of the analyzed SNPs. CONCLUSION: Considering these results we expect to gain more insights into the variations of the NY-BR-1 gene and their possible impact on giving rise to splice variants and therefore influence the function of NY-BR-1 in healthy tissue as well as in breast cancer. PMID- 27863483 TI - Estimation of tulathromycin depletion in plasma and milk after subcutaneous injection in lactating goats using a nonlinear mixed-effects pharmacokinetic modeling approach. AB - BACKGROUND: Extra-label use of tulathromycin in lactating goats is common and may cause violative residues in milk. The objective of this study was to develop a nonlinear mixed-effects pharmacokinetic (NLME-PK) model to estimate tulathromycin depletion in plasma and milk of lactating goats. Eight lactating goats received two subcutaneous injections of 2.5 mg/kg tulathromycin 7 days apart; blood and milk samples were analyzed for concentrations of tulathromycin and the common fragment of tulathromycin (i.e., the marker residue CP-60,300), respectively, using liquid chromatography mass spectrometry. Based on these new data and related literature data, a NLME-PK compartmental model with first-order absorption and elimination was used to model plasma concentrations and cumulative excreted amount in milk. Monte Carlo simulations with 100 replicates were performed to predict the time when the upper limit of the 95% confidence interval of milk concentrations was below the tolerance. RESULTS: All animals were healthy throughout the study with normal appetite and milk production levels, and with mild-moderate injection-site reactions that diminished by the end of the study. The measured data showed that milk concentrations of the marker residue of tulathromycin were below the limit of detection (LOD = 1.8 ng/ml) 39 days after the second injection. A 2-compartment model with milk as an excretory compartment best described tulathromycin plasma and CP-60,300 milk pharmacokinetic data. The model-predicted data correlated with the measured data very well. The NLME-PK model estimated that tulathromycin plasma concentrations were below LOD (1.2 ng/ml) 43 days after a single injection, and 62 days after the second injection with a 95% confidence. These estimated times are much longer than the current meat withdrawal time recommendation of 18 days for tulathromycin in non-lactating cattle. CONCLUSIONS: The results suggest that twice subcutaneous injections of 2.5 mg/kg tulathromycin are a clinically safe extra-label alternative approach for treating pulmonary infections in lactating goats, but a prolonged withdrawal time of at least 39 days after the second injection should be considered to prevent violative residues in milk and any dairy goat being used for meat should have an extended meat withdrawal time. PMID- 27863484 TI - Methods used to address fidelity of receipt in health intervention research: a citation analysis and systematic review. AB - BACKGROUND: The American Behaviour Change Consortium (BCC) framework acknowledges patients as active participants and supports the need to investigate the fidelity with which they receive interventions, i.e. receipt. According to this framework, addressing receipt consists in using strategies to assess or enhance participants' understanding and/or performance of intervention skills. This systematic review aims to establish the frequency with which receipt is addressed as defined in the BCC framework in health research, and to describe the methods used in papers informed by the BCC framework and in the wider literature. METHODS: A forward citation search on papers presenting the BCC framework was performed to determine the frequency with which receipt as defined in this framework was addressed. A second electronic database search, including search terms pertaining to fidelity, receipt, health and process evaluations was performed to identify papers reporting on receipt in the wider literature and irrespective of the framework used. These results were combined with forward citation search results to review methods to assess receipt. Eligibility criteria and data extraction forms were developed and applied to papers. Results are described in a narrative synthesis. RESULTS: 19.6% of 33 studies identified from the forward citation search to report on fidelity were found to address receipt. In 60.6% of these, receipt was assessed in relation to understanding and in 42.4% in relation to performance of skill. Strategies to enhance these were present in 12.1% and 21.1% of studies, respectively. Fifty-five studies were included in the review of the wider literature. Several frameworks and operationalisations of receipt were reported, but the latter were not always consistent with the guiding framework. Receipt was most frequently operationalised in relation to intervention content (16.4%), satisfaction (14.5%), engagement (14.5%), and attendance (14.5%). The majority of studies (90.0%) included subjective assessments of receipt. These relied on quantitative (76.0%) rather than qualitative (42.0%) methods and studies collected data on intervention recipients (50.0%), intervention deliverers (28.0%), or both (22.0%). Few studies (26.0%) reported on the reliability or validity of methods used. CONCLUSIONS: Receipt is infrequently addressed in health research and improvements to methods of assessment and reporting are required. PMID- 27863485 TI - Potential effects of samsum ant, Brachyponera sennaarensis, venom on TNF-alpha/NF kappaB mediated inflammation in CCL4-toxicity in vivo. AB - BACKGROUND: Ant venom shows antimicrobial, anti-parasitic and anti-inflammatory activities, both in vitro and in vivo. Our recent studies have confirmed the role of samsum ant venom (SAV) as a powerful antioxidant. This study aimed to investigate whether SAV as a potential treatment for CCl4-induced acute liver toxicity in an animal (rat) model. METHODS: Thirty-two rats were assigned into four groups; the first one served as the control. The second group received a single dose of 1 ml/kg CCl4 in a 1:1 ratio with olive oil through an intraperitoneal injection. The third group received a single dose of 1 ml/kg CCl4 and then treated with SAV at a dose of 100 MUg SAV twice a week for three weeks. The fourth group received a dose of 100 MUg SAV only twice a week for three weeks. ELISA, RT-PCR and histopathological examinations were applied. RESULTS: Results showed that antioxidant enzymes were significantly reduced in the diseased animals. SAV was found to significantly restore the oxidative stability in diseased animals. ELISA estimation and RT-PCR analysis also showed significant upregulation of both nuclear factor (kappaB) NF-kappaB and inhibitor (kappaB) IkappaB, respectively, in the diseased animals compared to the normal ones. The expression of tumour necrosis factor alpha (TNF-alpha) and pro-apoptotic receptor (Fas) were also significantly up-regulated in the diseased rats. Interestingly, SAV was found to significantly restore NF-kappaB, IkappaB and TNF-alpha in the diseased rats to the normal values. As a result, liver enzymes, serum proteins and lipid concentrations were significantly improved by SAV in CCl4-animals in comparison with the control ones. Moreover, SAV obviously improved the hepatic tissues of the same group was. CONCLUSION: SAV treatment restores the normal biochemical and oxidative stability by improving the TNF-alpha/NF-kappaB mediated inflammation in CCL4-treated rats. PMID- 27863486 TI - Costs of conservative management of early-stage prostate cancer compared to radical prostatectomy-a claims data analysis. AB - BACKGROUND: Due to widespread PSA testing incidence rates of localized prostate cancer increase but curative treatment is often not required. Overtreatment imposes a substantial economic burden on health care systems. We compared the direct medical costs of conservative management and radical therapy for the management of early-stage prostate cancer in routine care. METHODS: An observational study design is chosen based on claims data of a German statutory health insurance fund for the years 2008-2011. Three hundred fifty-three age matched men diagnosed with prostate cancer and treated with conservative management and radical prostatectomy, are included. Individuals with diagnoses of metastases or treatment of advanced prostate cancer are excluded. In an excess cost approach direct medical costs are considered from an insured community perspective for in- and outpatient care, pharmaceuticals, physiotherapy, and assistive technologies. Generalized linear models adjust for comorbidity by Charlson comorbidity score and recycled predictions method calculates per capita costs per treatment strategy. RESULTS: After follow-up of 2.5 years per capita costs of conservative management are ?6611 lower than costs of prostatectomy ([ 9734;-3547], p < 0.0001). Complications increase costs of assistive technologies by 30% (p = 0.0182), but do not influence any other costs. Results are robust to cost outliers and incidence of prostate cancer diagnosis. The short time horizon does not allow assessing long-term consequences of conservative management. CONCLUSIONS: At a time horizon of 2.5 years, conservative management is preferable to radical prostatectomy in terms of costs. Claims data analysis is limited in the selection of comparable treatment groups, as clinical information is scarce and bias due to non-randomization can only be partly mitigated by matching and confounder adjustment. PMID- 27863487 TI - Analyses of density-dependent effects are needed to understand how and when Wolbachia can control dengue vectors. AB - Releases of Wolbachia-infected mosquitoes have been shown to be an effective method of controlling Aedes aegypti, the main vector of dengue fever, in Australia. A study in BMC Biology from Penelope Hancock and others shows that incorporation of density-dependent effects into population models can provide major improvements in understanding how and when the infected populations can become established.See research article: https://bmcbiol.biomedcentral.com/articles/10.1186/s12915-016-0319-5 . PMID- 27863489 TI - The effect of cumulative glycemic burden on the incidence of diabetic foot disease. AB - BACKGROUND: Glycemic control is a known modifiable risk factor for diabetic foot disease. Prior attempts to define its relationship with diabetic foot ulcer and Charcot arthropathy fail to account for variability in control and duration of diabetic disease. We developed a novel metric to reflect aggregate disease exposure in a diabetic, termed cumulative glycemic burden. We hypothesized that it would be positively associated with both diabetic foot ulcer and radiographically diagnosed Charcot arthropathy. METHODS: Patients aged 18 to 90 years with >=3 hemoglobin A1c (HbA1c) values were identified retrospectively at a single institution over a 15-year period. Primary outcomes were ICD-9 diagnosis of foot ulcer and radiographically diagnosed Charcot arthropathy. Cumulative glycemic burden was calculated by trapezoidal integration of the area under a curve defined by HbA1c values above 7 over time. Patients were stratified into quartiles based on cumulative glycemic burden (excellent, good, fair, and poor control). chi 2 tests compared the proportion of foot ulcer and Charcot across quartiles. Regression analysis identified associated demographic and comorbidity factors with diabetic foot disease. Statistical significance was set at P < .05. RESULTS: Out of 22,913 diabetics, 1643 (7.2%) had a foot ulcer; 54 out of 771 diabetics (7.0%) had radiographic Charcot arthropathy. There was a statistically significant stepwise increase in the incidence of foot ulcer with increasing cumulative glycemic burden by patient quartile (5.2 vs. 6.4 vs. 7.9 vs. 13.9%; P < .001). No significant trend was seen between incidence of Charcot arthropathy and greater cumulative glycemic burden (7.8 vs. 5.6 vs. 4.4 vs. 10.0%; P = .469). Peripheral vascular disease was most strongly associated with diabetic foot ulcer. Hypertension and diabetic neuropathy were independently associated with Charcot arthropathy. CONCLUSIONS: Increasing cumulative glycemic burden is positively associated with diabetic foot ulcer. Greater attention should be paid towards the most poorly controlled diabetics with the longest duration of disease to reduce their risk. Cumulative glycemic burden is not associated with Charcot arthropathy. PMID- 27863488 TI - Mathematical model on Alzheimer's disease. AB - BACKGROUND: Alzheimer disease (AD) is a progressive neurodegenerative disease that destroys memory and cognitive skills. AD is characterized by the presence of two types of neuropathological hallmarks: extracellular plaques consisting of amyloid beta-peptides and intracellular neurofibrillary tangles of hyperphosphorylated tau proteins. The disease affects 5 million people in the United States and 44 million world-wide. Currently there is no drug that can cure, stop or even slow the progression of the disease. If no cure is found, by 2050 the number of alzheimer's patients in the U.S. will reach 15 million and the cost of caring for them will exceed $ 1 trillion annually. RESULTS: The present paper develops a mathematical model of AD that includes neurons, astrocytes, microglias and peripheral macrophages, as well as amyloid beta aggregation and hyperphosphorylated tau proteins. The model is represented by a system of partial differential equations. The model is used to simulate the effect of drugs that either failed in clinical trials, or are currently in clinical trials. CONCLUSIONS: Based on these simulations it is suggested that combined therapy with TNF- alpha inhibitor and anti amyloid beta could yield significant efficacy in slowing the progression of AD. PMID- 27863491 TI - The Year of the Wisent. AB - Delving into European prehistory, two recent studies analyze ancient DNA from bison species depicted by our ancestors on the walls of their caves. The DNA tells a story of migrations driven by climate change but leaves some mystery clouding the genetic descent and climate preference of the still-extant wisent, otherwise known as the European bison.See research articles: https://bmcbiol.biomedcentral.com/articles/10.1186/s12915-016-0317-7 http://www.nature.com/articles/ncomms13158. PMID- 27863490 TI - Suberoylanilide hydroxamic acid represses glioma stem-like cells. AB - BACKGROUND: Glioma stem-like cells (GSCs) are proposed to be responsible for high resistance in glioblastoma multiforme (GBM) treatment. In order to find new strategies aimed at reducing GSC stemness and improving GBM patient survival, we investigated the effects and mechanism of a histone deacetylases (HDACs) inhibitor, suberoylanilide hydroxamic acid (SAHA), since HDAC activity has been linked to cancer stem-like cell (CSC) abundance and properties. METHODS: Human GBM cell lines were plated in serum-free suspension cultures allowed for sphere forming and CSC enrichment. Subsequently, upon SAHA treatment, the stemness markers, cell proliferation, and viability of GSCs as well as cellular apoptosis and senescence were examined in order to clarify whether inhibition of GSCs occurs. RESULTS: We demonstrated that SAHA attenuated cell proliferation and diminished the expression stemness-related markers (CD133 and Bmi1) in GSCs. Furthermore, at high concentrations (more than 5 MUM), SAHA triggered apoptosis of GSCs accompanied by increases in both activation of caspase 8- and caspase 9 mediated pathways. Interestingly, we found that a lower dose of SAHA (1 MUM and 2.5 MUM) inhibited GSCs via cell cycle arrest and induced premature senescence through p53 up-regulation and p38 activation. CONCLUSION: SAHA induces apoptosis and functions as a potent modulator of senescence via the p38-p53 pathway in GSCs. Our results provide a perspective on targeting GSCs via SAHA treatment, and suggest that SAHA could be used as a potent agent to overcome drug resistance in GBM patients. PMID- 27863492 TI - Defective autophagy leads to the suppression of stem-like features of CD271+ osteosarcoma cells. AB - BACKGROUND: As an important stress-response mechanism, autophagy plays crucial role in the tumor formation and drug resistance of cancer cells including osteosarcoma (OS). OS cancer stem cells (CSCs) also are considered a key factor of tumorigenesis, drug resistance and tumor recurrence. However, the relationship between autophagy and OS CSCs still remains unclear. METHODS: CD271+ OS CSCs and CD271- OS cells were isolated by magnetic activated cell sorting. The autophagy level was evaluated by the mRNA expression of autophagy genes, the protein level of LC3II and p62, and the mean number of GFP-LC3 dot per cell. Lentivirus delivered specific shRNA was utilized to inhibit the corresponding gene expression. The cell viability was examined with CCK8 assay. The cell proliferation level was detected with BrdU staining assay. Cell death was determined by Annexin V/PI double staining of fluorescence activated cell sorting, lactate dehydrogenase release and caspase-3 activity. Tumorigenicity ability was evaluated by colony and sphere formation assay, the protein expression of stemness markers and tumor formation in nude mice. RESULTS: Our data indicated that CD271+ OS CSCs had a similar basic autophagy level with CD271 OS cells. Autophagy deficiency had no observable effects on the levels of cell proliferation and death both in CD271+ and CD271- OS cells under normal condition. However, CD271+ OS cells showed a higher autophagy activity than CD271 OS cells under hypoxia and low nutrient (LH) condition. Moreover, autophagy deficient CD271+ OS cells lost the advantage of tolerance to LH condition compared to CD271- OS cells. Meanwhile, autophagy deficiency enhanced the sensitivity to chemotherapeutics in the CD271+ cells to the comparable level in the CD271- cells. More importantly, deficient-autophagy decreased the protein expression of stemness markers and caused the disappearance of the superiority in tumorigenicity in vitro and vivo in CD271+ OS cells. CONCLUSION: The results above demonstrated that autophagy contributes to the stem-like features of CD271+ OS CSCs. Inhibition of autophagy is a promising strategy in the CSCs-targeting OS therapy. PMID- 27863493 TI - Impact of low high-density lipoprotein-cholesterol level on 2-year clinical outcomes after acute myocardial infarction in patients with diabetes mellitus. AB - BACKGROUND: It is still unclear whether low high-density lipoprotein cholesterol (HDL-C) affects cardiovascular outcomes after acute myocardial infarction (AMI), especially in patients with diabetes mellitus. METHODS: A total of 984 AMI patients with diabetes mellitus from the DIabetic Acute Myocardial InfarctiON Disease (DIAMOND) Korean multicenter registry were divided into two groups based on HDL-C level on admission: normal HDL-C group (HDL-C >= 40 mg/dL, n = 519) and low HDL-C group (HDL-C < 40 mg/dL, n = 465). The primary endpoint was 2-year major adverse cardiovascular events (MACE), defined as a composite of cardiac death, non-fatal myocardial infarction (MI), and target vessel revascularization (TVR). RESULTS: The median follow-up duration was 730 days. The 2-year MACE rates were significantly higher in the low HDL-C group than in the normal HDL-C group (MACE, 7.44% vs. 3.49%, p = 0.006; cardiac death, 3.72% vs. 0.97%, p = 0.004; non fatal MI, 1.75% vs. 1.55%, p = 0.806; TVR, 3.50% vs. 0.97%, p = 0.007). Kaplan Meier analysis revealed that the low HDL-C group had a significantly higher incidence of MACE compared to the normal HDL-C group (log-rank p = 0.013). After adjusting for conventional risk factors, Cox proportional hazards analysis suggested that low HDL-C was an independent risk predictor for MACE (hazard ratio [HR] 3.075, 95% confidence interval [CI] 1.034-9.144, p = 0.043). CONCLUSIONS: In patients with diabetes mellitus, low HDL-C remained an independent risk predictor for MACE after adjusting for multiple risk factors during 2-year follow-up of AMI. TRIAL REGISTRATION: This study was the sub-analysis of the prospective multi center registry of DIAMOND (Diabetic acute myocardial infarction Disease) in Korea. This is the observational study supported by Bayer HealthCare, Korea. Study number is 15614. First patient first visit was 02 April 2010 and last patient last visit was 09 December 2013. PMID- 27863494 TI - Molecular epidemiology of hydropericardium syndrome outbreak-associated serotype 4 fowl adenovirus isolates in central China. AB - In several parts of China, there have been a large number of hydropericardium syndrome (HPS) outbreaks caused by serotype 4 fowl adenovirus (FAdV-4) in broiler chickens since 2015. These outbreak-associated FAdV-4 strains were distinct from previous circulating strains which did not lead to severe HPS outbreaks. To better understand the molecular epidemiology of the currently circulating FAdV strains for effective diagnosis and treatment of HPS, we isolated 12 HPS outbreak associated FAdV-4 strains from different regions in central China and investigated their molecular characteristics by performing phylogenetic analyses based on the hexon genes. Our results indicated the FAdV-4 strains in this study all belonged to serotype FAdV-4, species FAdV-C. And in comparison with ON1, KR5, MX-SHP95, PK-01, PJ-06 strains within the cluster where outbreak-associated FAdV 4 strains were located, the nucleotide sequence divergence were 1.31, 1.10, 1.42, 2.77 and 2.84%, respectively. Phylogenetic analyses revealed the hexon genes of the 12 outbreak-associated strains clustered to a relatively independent branch of the tree, and evolved from the same ancestor and we suggested that these outbreak-associated FAdV-4 strains originate from earlier strains in India. PMID- 27863495 TI - Anaerobic poly-3-D-hydroxybutyrate production from xylose in recombinant Saccharomyces cerevisiae using a NADH-dependent acetoacetyl-CoA reductase. AB - BACKGROUND: Poly-3-D-hydroxybutyrate (PHB) that is a promising precursor for bioplastic with similar physical properties as polypropylene, is naturally produced by several bacterial species. The bacterial pathway is comprised of the three enzymes beta-ketothiolase, acetoacetyl-CoA reductase (AAR) and PHB synthase, which all together convert acetyl-CoA into PHB. Heterologous expression of the pathway genes from Cupriavidus necator has enabled PHB production in the yeast Saccharomyces cerevisiae from glucose as well as from xylose, after introduction of the fungal xylose utilization pathway from Scheffersomyces stipitis including xylose reductase (XR) and xylitol dehydrogenase (XDH). However PHB titers are still low. RESULTS: In this study the acetoacetyl-CoA reductase gene from C. necator (CnAAR), a NADPH-dependent enzyme, was replaced by the NADH dependent AAR gene from Allochromatium vinosum (AvAAR) in recombinant xylose utilizing S. cerevisiae and PHB production was compared. A. vinosum AAR was found to be active in S. cerevisiae and able to use both NADH and NADPH as cofactors. This resulted in improved PHB titers in S. cerevisiae when xylose was used as sole carbon source (5-fold in aerobic conditions and 8.4-fold under oxygen limited conditions) and PHB yields (4-fold in aerobic conditions and up to 5.6 fold under oxygen limited conditions). Moreover, the best strain was able to accumulate up to 14% of PHB per cell dry weight under fully anaerobic conditions. CONCLUSIONS: This study reports a novel approach for boosting PHB accumulation in S. cerevisiae by replacement of the commonly used AAR from C. necator with the NADH-dependent alternative from A. vinosum. Additionally, to the best of our knowledge, it is the first demonstration of anaerobic PHB synthesis from xylose. PMID- 27863496 TI - Evaluation of anti-tumorigenic activity of BP3B against colon cancer with patient derived tumor xenograft model. AB - BACKGROUND: KIOM-CRC#BP3B (BP3B) is a novel herbal prescription that is composed of three plant extracts. Our preliminary study identified that BP3B exhibited potent anti-proliferative activity against various types of cancer cell lines in vitro. Because the in vivo anti-tumor effect of BP3B is not evaluated before clinical trial, we want to test it using patient's samples. METHODS: To confirm the in vivo anti-cancer effect of BP3B, we used genetically characterized patient derived colon tumor xenograft (PDTX) mouse model. Anti-cancer activity was evaluated with apoptosis, proliferation, angiogenesis and histological analysis. RESULTS: Oral administration of BP3B significantly inhibited the tumor growth in two PDTX models. Furthermore, TUNEL assay showed that BP3B induced apoptosis of tumor tissues, which was associated with degradation of PARP and Caspase 8 and activation of Caspase 3. We also observed that BP3B inhibited cancer cell proliferation by down-regulation of Cyclin D1 and induction of p27 proteins. Inhibition of angiogenesis in BP3B-treated group was observed with immunofluorescence staining using CD31 and Tie-2 antibodies. CONCLUSION: These findings indicated that BP3B has a strong growth-inhibitory activity against colon cancer in in vivo model and will be a good therapeutic candidate for treatment of refractory colon cancer. PMID- 27863497 TI - Next-generation sequencing facilitates detection of the classic E13-A20 EML4-ALK fusion in an ALK-FISH/IHC inconclusive biopsy of a stage IV lung cancer patient: a case report. AB - BACKGROUND: Inhibition of the oncogenic fusion-gene EML4-ALK is a current first line approach for patients with stage IV non-small cell lung cancer. While FISH was established as the gold standard for identifying these patients, there is accumulating evidence that other methods of detection, i.e., immunohistochemistry and next-generation sequencing (NGS), exist that may be equally successful. However, the concordance of these methods is under investigation. CASE PRESENTATION: Adding to the current literature, we here report a 56 year old female never-smoker with stage IV lung adenocarcinoma whose biopsy was IHC and FISH inconclusive but positive in NGS. Retroactive profiling of the resection specimen corroborated fusion reads obtained by NGS, FISH-positivity and showed weak ALK-positivity by IHC. Consequently, we diagnosed the case as ALK-positive rendering the patient eligible to crizotinib treatment. CONCLUSIONS: With IHC on biopsy material only, this case would have been overlooked withholding effective therapy. PMID- 27863498 TI - Factors affecting implementation of perinatal mental health screening in women of refugee background. AB - BACKGROUND: For women of refugee background, the increased risk of mental illness associated with pregnancy is compounded by pre- and post-settlement stressors. In Australia, antenatal screening for depression and anxiety symptoms using the Edinburgh Postnatal Depression Scale is recommended for all women. Despite this, screening is not routinely implemented and little is known about barriers and enablers to implementation for women of refugee background. METHODS: Semi structured interviews were conducted with a range of health professionals (n = 28: midwives, obstetricians, perinatal mental health and refugee health experts, interpreters) and women of refugee background (n = 9). Themes generated from thematic analysis were examined in relation to the Theoretical Domains Framework and Cultural Competence Conceptual Framework, followed by identification of effective behaviour change techniques to address the barriers and enablers identified by participants. These techniques formed the basis of recommendations to inform sustainable implementation of screening and referral. RESULTS: Almost all participants perceived perinatal mental health screening to be necessary and most recognised the importance of post-traumatic stress disorder (PTSD) screening. Barriers and enablers were identified and related to eight domains: knowledge, skills, professional roles, beliefs about capabilities and consequences, environmental context, social influences and behavioural regulation. CONCLUSIONS: This research clarifies how mental health screening may be integrated into routine antenatal care for women of refugee background, in order to improve provision of recommended care. These theory-informed recommendations include an inter-disciplinary approach, coordinating care within and across services, addition of PTSD screening, and effective communication with women. PMID- 27863499 TI - What do health workers in Timor-Leste want, know and do? Findings from a national health labour market survey. AB - BACKGROUND: The objectives of this study were to understand the labour market dynamics among health workers, including their preferences and concerns, and to assess the skills, competence and performance (i.e. the 'know-do gap') of doctors working in Timor-Leste. METHODS: This cross-sectional survey was implemented in all 13 districts of Timor-Leste in 2014. We surveyed 443 health workers, including 175 doctors, 150 nurses and 118 midwives (about 20% of the health workers in the country). We also observed 632 clinical consultations with doctors, including 442 direct clinical observations, and tested 190 vignettes. RESULTS: The study highlights some positive findings, including the gender balance of health workers overall, the concentration of doctors in rural areas, the high overall reported satisfaction of staff with their work and high motivation, the positive intention to stay in the public sector, the feeling of being well prepared by training for work, the relatively frequent and satisfactory supervisions, and the good attitudes towards patients as identified in observations and vignettes. However, some areas require more investigations and investments. The overall clinical performance of the doctors was very good in terms of attitude and moderate in regard to history taking, health education and treatment. However, the average physical examination performance score was low. Doctors performed better with simulated cases than the real cases in general, which means they have better knowledge and skills than they actually demonstrated. The factors that were significantly associated with the clinical performance of doctors were location of the health facility (urban doctors were better) and consultation time (cases with more consultation time were better). Regression analysis suggests that lack of knowledge was significantly associated with lack of performance, while lack of motivation and equipment were not significant. CONCLUSIONS: The survey provides essential information for workforce planning and for developing training policies and terms and conditions that will attract and retain health workers in rural service. Improving the work environment and performance of doctors working in rural health facilities and ensuring compliance with clinical protocols are two priority areas needed to improve the performance of doctors in Timor-Leste. PMID- 27863500 TI - Simultaneous reconstruction of the bone and vessels for complex femoral defect. AB - BACKGROUND: Several methods have been reported for intercalary reconstruction of femoral defects. Of these, free vascularized fibula grafts (FVFG) are preferred because of their durability, bone-healing potential, and tolerance to infection. If the bone tumor invades the femoral vessels, simultaneous vascular reconstruction also becomes necessary and significant technical hurdles make limb salvage difficult. CASE PRESENTATION: We present a 10-year-old girl who underwent limb-sparing surgery for a distal femur osteosarcoma. The femoral defect was 15 cm long, and the femoral vessel defect was 10 cm long. The femur was reconstructed with bilateral FVFG, and the femoral vessels were reconstructed with saphenous vein grafts. The grafts survived without vascular compromise, and the affected limb was preserved successfully. CONCLUSIONS: Combined use of bilateral FVFG and autologous vein grafts makes limb-sparing surgery for a large osteosarcoma of the femur possible. PMID- 27863501 TI - Mutations in LRRK2 impair NF-kappaB pathway in iPSC-derived neurons. AB - BACKGROUND: Mutations in leucine-rich repeat kinase 2 (LRRK2) contribute to both familial and idiopathic forms of Parkinson's disease (PD). Neuroinflammation is a key event in neurodegeneration and aging, and there is mounting evidence of LRRK2 involvement in inflammatory pathways. In a previous study, we described an alteration of the inflammatory response in dermal fibroblasts from PD patients expressing the G2019S and R1441G mutations in LRRK2. METHODS: Taking advantage of cellular reprogramming, we generated induced pluripotent stem cell (iPSC) lines and neurons thereafter, harboring LRRK2G2019S and LRRK2R1441G mutations. We used gene silencing and functional reporter assays to characterize the effect of the mutations. We examined the temporal profile of TNFalpha-induced changes in proteins of the NF-kappaB pathway and optimized western blot analysis to capture alpha-synuclein dynamics. The effects of the mutations and interventions were analyzed by two-way ANOVA tests with respect to corresponding controls. RESULTS: LRRK2 silencing decreased alpha-synuclein protein levels in mutated neurons and modified NF-kappaB transcriptional targets, such as PTGS2 (COX-2) and TNFAIP3 (A20). We next tested whether NF-kappaB and alpha-synuclein pathways converged and found that TNFalpha modulated alpha-synuclein levels, although we could not detect an effect of LRRK2 mutations, partly because of the individual variability. Nevertheless, we confirmed NF-kappaB dysregulation in mutated neurons, as shown by a protracted recovery of IkappaBalpha and a clear impairment in p65 nuclear translocation in the LRRK2 mutants. CONCLUSIONS: Altogether, our results show that LRRK2 mutations affect alpha-synuclein regulation and impair NF kappaB canonical signaling in iPSC-derived neurons. TNFalpha modulated alpha synuclein proteostasis but was not modified by the LRRK2 mutations in this paradigm. These results strengthen the link between LRRK2 and the innate immunity system underscoring the involvement of inflammatory pathways in the neurodegenerative process in PD. PMID- 27863503 TI - Lateral gene transfer in eukaryotes: tip of the iceberg or of the ice cube? AB - Lateral gene transfer (LGT) is the transmission of genes, sometimes across species barriers, outwith the classic vertical inheritance from parent to offspring. LGT is recognized as an important phenomenon that has shaped the genomes and biology of prokaryotes. Whether LGT in eukaryotes is important and widespread remains controversial. A study in BMC Biology concludes that LGT in eukaryotes is neither continuous nor prevalent and suggests a rule of thumb for judging when apparent LGT may reflect contamination.See research article: http://bmcbiol.biomedcentral.com/articles/10.1186/s12915-016-0315-9 . PMID- 27863502 TI - Annexin A2 antibodies but not inhibitors of the annexin A2 heterotetramer impair productive HIV-1 infection of macrophages in vitro. AB - During sexual transmission of human immunodeficiency virus (HIV), macrophages are initial targets for HIV infection. Secretory leukocyte protease inhibitor (SLPI) has been shown to protect against HIV infection of macrophages through interactions with annexin A2 (A2), which is found on the macrophage cell surface as a heterotetramer (A2t) consisting of A2 and S100A10. Therefore, we investigated potential protein-protein interactions between A2 and HIV-1 gp120 through a series of co-immunoprecipitation assays and a single molecule pulldown (SiMPull) technique. Additionally, inhibitors of A2t (A2ti) that target the interaction between A2 and S100A10 were tested for their ability to impair productive HIV-1 infection of macrophages. Our data suggest that interactions between HIV-1 gp120 and A2 exist, though this interaction may be indirect. Furthermore, an anti-A2 antibody impaired HIV-1 particle production in macrophages in vitro, whereas A2ti did not indicating that annexin A2 may promote HIV-1 infection of macrophages in its monomeric rather than tetrameric form. PMID- 27863504 TI - B-cell imaging with zirconium-89 labelled rituximab PET-CT at baseline is associated with therapeutic response 24 weeks after initiation of rituximab treatment in rheumatoid arthritis patients. AB - BACKGROUND: B cells are key players in the pathogenesis of rheumatoid arthritis (RA). Although successful in 50-60% of patients with RA, anti-B-cell therapy given as rituximab could be more efficient by identifying potential responders prior to treatment. Positron emission tomography (PET) using radiolabeled rituximab for B-cell imaging might provide the means to fulfil this unmet clinical need. The objective of this study was to investigate the association between biodistribution of zirconium-89 (89Zr)-rituximab on PET-computed tomography (CT) and clinical response in patients with RA. METHODS: We included 20 patients with RA who were starting rituximab treatment. At the first intravenous (i.v.) therapeutic dose, patients were also injected with 89Zr rituximab, followed by PET-CT. European League Against Rheumatism (EULAR) response criteria were applied to determine response at week 24. PET-CT was analyzed visually and quantitatively. Lymph node (LN) biopsies were performed at 0 and 4 weeks to correlate B-cell counts with imaging data. RESULTS: PET-positive hand joints (range 1-20) were observed in 18/20 patients. Responders had significantly higher 89Zr-rituximab uptake in PET-positive hand joints than non responders (median target-to-background (T/B)) ratios (IQR) were 6.2 (4.0-8.8) vs. 3.1 (2.2-3.9), p = 0.02). At T/B >=4.0, positive and negative predictive values for clinical response were respectively 90% and 75%. Quantitative 89Zr rituximab hand joint uptake on PET correlated inversely with CD22+ B-cell count in LN tissue at 4 weeks of treatment (r = 0.6, p = 0.05). In addition, the CD22+ B-cell count in LN correlated positively with quantitative LN PET data at baseline, supporting the specificity of B-cell imaging on PET. CONCLUSIONS: Non invasive B-cell imaging by 89Zr-rituximab PET-CT has promising clinical value to select RA responders to rituximab at baseline. 89Zr-rituximab PET-CT may also hold promise for monitoring anti-B-cell therapies in other B-cell driven autoimmune diseases, such as systemic lupus erythematosus and Sjogren's disease. PMID- 27863505 TI - A genomic case study of desmoplastic small round cell tumor: comprehensive analysis reveals insights into potential therapeutic targets and development of a monitoring tool for a rare and aggressive disease. AB - BACKGROUND: Genome-wide profiling of rare tumors is crucial for improvement of diagnosis, treatment, and, consequently, achieving better outcomes. Desmoplastic small round cell tumor (DSRCT) is a rare type of sarcoma arising from mesenchymal cells of abdominal peritoneum that usually develops in male adolescents and young adults. A specific translocation, t(11;22)(p13;q12), resulting in EWS and WT1 gene fusion is the only recurrent molecular hallmark and no other genetic factor has been associated to this aggressive tumor. Here, we present a comprehensive genomic profiling of one DSRCT affecting a 26-year-old male, who achieved an excellent outcome. METHODS: We investigated somatic and germline variants through whole-exome sequencing using a family based approach and, by array CGH, we explored the occurrence of genomic imbalances. Additionally, we performed mate paired whole-genome sequencing for defining the specific breakpoint of the EWS WT1 translocation, allowing us to develop a personalized tumor marker for monitoring the patient by liquid biopsy. RESULTS: We identified genetic variants leading to protein alterations including 12 somatic and 14 germline events (11 germline compound heterozygous mutations and 3 rare homozygous polymorphisms) affecting genes predominantly involved in mesenchymal cell differentiation pathways. Regarding copy number alterations (CNA) few events were detected, mainly restricted to gains in chromosomes 5 and 18 and losses at 11p, 13q, and 22q. The deletions at 11p and 22q indicated the presence of the classic translocation, t(11;22)(p13;q12). In addition, the mapping of the specific genomic breakpoint of the EWS-WT1 gene fusion allowed the design of a personalized biomarker for assessing circulating tumor DNA (ctDNA) in plasma during patient follow-up. This biomarker has been used in four post-treatment blood samples, 3 years after surgery, and no trace of EWS-WT1 gene fusion was detected, in accordance with imaging tests showing no evidence of disease and with the good general health status of the patient. CONCLUSIONS: Overall, our findings revealed genes with potential to be associated with risk assessment and tumorigenesis of this rare type of sarcoma. Additionally, we established a liquid biopsy approach for monitoring patient follow-up based on genomic information that can be similarly adopted for patients diagnosed with a rare tumor. PMID- 27863506 TI - Interleukin 37 limits monosodium urate crystal-induced innate immune responses in human and murine models of gout. AB - BACKGROUND: Interleukin (IL)-37 has emerged as a fundamental inhibitor of innate immunity. Acute gout is a self-limiting inflammatory response to monosodium urate (MSU) crystals. In the current study, we assessed the preventive and therapeutic effect of recombinant human IL-37 (rhIL-37) in human and murine gout models. METHODS: We investigated the expression of IL-37 in patients with active and inactive gouty arthritis and assessed the effect of rhIL-37 in human and murine gout models: a human monocyte cell line (THP-1) and human synovial cells (containing macrophage-like and fibroblast-like synoviocytes) exposed to MSU crystals, a peritoneal murine model of gout and a murine gouty arthritis model. After inhibition of Mer receptor tyrosine kinase (Mertk), levels of IL-1beta, IL 8 and chemokine (C-C motif) ligand 2 (CCL-2) were detected by ELISA and expression of mammalian homologs of the drosophila Mad gene 3 (Smad), suppressor of cytokine signaling 3 (SOCS3), NACHT-LRR-PYD-containing protein 3 (NLRP3), and IL-8R of THP-1 were assessed by qPCR and western blot to explore the molecular mechanisms. RESULTS: Our studies strongly indicated that rhIL-37 played a potent immunosuppressive role in the pathogenesis of experimental gout models both in vitro and in vivo, by downregulating proinflammatory cytokines and chemokines, markedly reducing neutrophil and monocyte recruitment, and mitigating pathological joint inflammation. In our studies, rhIL-37 suppressed MSU-induced innate immune responses by enhancing expression of Smad3 and IL-1R8 to trigger multiple intracellular switches to block inflammation, including inhibition of NLRP3 and activation of SOCS3. Mertk signaling participated in rhIL-37 inhibitory pathways in gout models. By inhibition of Mertk, the anti-inflammatory effect of rhIL-37 was partly abrogated, and IL-1R8, Smad3 and SOCS3 expression were suppressed, whereas NLRP3 expression was reactivated. CONCLUSIONS: Our studies reveal that IL-37 limits runaway inflammation initiated by MSU crystal-induced immune responses, partly in a Mertk-dependent fashion. Thus, rhIL-37 has both preventive and therapeutic effects in gouty arthritis. PMID- 27863507 TI - Transgenic mice overexpressing the ALS-linked protein Matrin 3 develop a profound muscle phenotype. AB - Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disorder of upper and lower motor neurons. Mutations in the gene encoding the nuclear matrix protein Matrin 3 have been found in familial cases of ALS, as well as autosomal dominant distal myopathy with vocal cord and pharyngeal weakness. We previously found that spinal cord and muscle, organs involved in either ALS or distal myopathy, have relatively lower levels of Matrin 3 compared to the brain and other peripheral organs in the murine system. This suggests that these organs may be vulnerable to any changes in Matrin 3. In order to determine the role of Matrin 3 in these diseases, we created a transgenic mouse model for human wild type Matrin 3 using the mouse prion promoter (MoPrP) on a FVB background.We identified three founder transgenic lines that produced offspring in which mice developed either hindlimb paresis or paralysis with hindlimb and forelimb muscle atrophy. Muscles of affected mice showed a striking increase in nuclear Matrin 3, as well as the presence of rounded fibers, vacuoles, nuclear chains, and subsarcolemmal nuclei. Immunoblot analysis of the gastrocnemius muscle from phenotypic mice showed increased levels of Matrin 3 products migrating at approximately 120 (doublet), 90, 70, and 55 kDa. While there was no significant change in the levels of Matrin 3 in the spinal cord in the phenotypic mice, the ventral horn contained individual cells with cytoplasmic redistribution of Matrin 3, as well as gliosis. The phenotypes of these mice indicate that dysregulation of Matrin 3 levels is deleterious to neuromuscular function. PMID- 27863508 TI - The effects of MCH insurance cards on improving equity in access and use of maternal and child health care services in Tanzania: a mixed methods analysis. AB - BACKGROUND: Inequity in access and use of child and maternal health services is impeding progress towards reduction of maternal mortality in low-income countries. To address low usage of maternal and newborn health care services as well as financial protection of families, some countries have adopted demand-side financing. In 2010, Tanzania introduced free health insurance cards to pregnant women and their families to influence access, use, and provision of health services. However, little is known about whether the use of the maternal and child health cards improved equity in access and use of maternal and child health care services. METHODS: A mixed methods approach was used in Rungwe district where maternal and child health insurance cards had been implemented. To assess equity, three categories of beneficiaries' education levels were used and were compared to that of women of reproductive age in the region from previous surveys. To explore factors influencing women's decisions on delivery site and use of the maternal and child health insurance card and attitudes towards the birth experience itself, a qualitative assessment was conducted at representative facilities at the district, ward, facility, and community level. A total of 31 in depth interviews were conducted on women who delivered during the previous year and other key informants. RESULTS: Women with low educational attainment were under-represented amongst those who reported having received the maternal and child health insurance card and used it for facility delivery. Qualitative findings revealed that problems during the current pregnancy served as both a motivator and a barrier for choosing a facility-based delivery. Decision about delivery site was also influenced by having experienced or witnessed problems during previous birth delivery and by other individual, financial, and health system factors, including fines levied on women who delivered at home. CONCLUSIONS: To improve equity in access to facility-based delivery care using strategies such as maternal and child health insurance cards is necessary to ensure beneficiaries and other stakeholders are well informed of the programme, as giving women insurance cards only does not guarantee facility-based delivery. PMID- 27863509 TI - Profibrotic mediators in tendon disease: a systematic review. AB - BACKGROUND: Tendon disease is characterized by the development of fibrosis. Transforming growth factor beta (TGF-beta), bone morphogenic proteins (BMPs) and connective tissue growth factor (CTGF) are key mediators in the pathogenesis of fibrotic disorders. The aim of this systematic review was to investigate the evidence for the expression of TGF-beta, BMPs and CTGF along tendon disease progression and the response of tendon cells to these growth factors accordingly. METHOD: We conducted a systematic screen of the scientific literature using the Medline database. The search terms used were "tendon AND TGF-beta," "tendon AND BMP" or "tendon AND CTGF." Studies of human samples, animal tendon injury and overuse models were included. RESULTS: Thirty-three studies were included. In eight studies the expression of TGF-beta, BMPs or CTGF was dysregulated in chronic tendinopathy and tendon tear patient tissues in comparison with healthy control tissues. The expression of TGF-beta, BMPs and CTGF was increased and showed temporal changes in expression in tendon tissues from animal injury or overuse models compared with the healthy control (23 studies), but the pattern of upregulation was inconsistent between growth factors and also the type of animal model. No study investigated the differences in the effect of TGF-beta, BMPs or CTGF treatment between patient-derived cells from healthy and diseased tendon tissues. Tendon cells derived from animal models of tendon injury showed increased expression of extracellular matrix protein genes and increased cell signaling response to TGF-beta and BMP treatments compared with the control cells (two studies). CONCLUSION: The expression of TGF-beta, BMPs and CTGF in tendon tissues is altered temporally during healing in animal models of tendon injury or overuse, but the transition during the development of human tendon disease is currently unknown. Findings from this systematic review suggest a potential and compelling role for TGF-beta, BMPs and CTGF in tendon disease; however, there is a paucity of studies analyzing their expression and stimulated cellular response in well-phenotyped human samples. Future work should investigate the dynamic expression of these fibrotic growth factors and their interaction with tendon cells using patient samples at different stages of human tendon disease. PMID- 27863510 TI - Establishing a reference array for the CS-alphabeta superfamily of defensive peptides. AB - BACKGROUND: "Invertebrate defensins" belong to the cysteine-stabilized alpha-beta (CS-alphabeta), also known as the scorpion toxin-like, superfamily. Some other peptides belonging to this superfamily of defensive peptides are indistinguishable from "defensins," but have been assigned other names, making it unclear what, if any, criteria must be met to qualify as an "invertebrate defensin." In addition, there are other groups of defensins in invertebrates and vertebrates that are considered to be evolutionarily unrelated to those in the CS alphabeta superfamily. This complicates analyses and discussions of this peptide group. This paper investigates the criteria for classifying a peptide as an invertebrate defensin, suggests a reference cysteine array that may be helpful in discussing peptides in this superfamily, and proposes that the superfamily (rather than the name "defensin") is the appropriate context for studying the evolution of invertebrate defensins with the CS-alphabeta fold. METHODS: CS alphabeta superfamily sequences were identified from previous literature and BLAST searches of public databases. Sequences were retrieved from databases, and the relevant motifs were identified and used to create a conceptual alignment to a ten-cysteine reference array. Amino acid sequences were aligned in MEGA6 with manual adjustments to ensure accurate alignment of cysteines. Phylogenetic analyses were performed in MEGA6 (maximum likelihood) and MrBayes (Bayesian). RESULTS: Across invertebrate taxa, the term "defensin" is not consistently applied based on number of cysteines, cysteine spacing pattern, spectrum of antimicrobial activity, or phylogenetic relationship. The analyses failed to reveal any criteria that unify "invertebrate defensins" and differentiate them from other defensive peptides in the CS-alphabeta superfamily. Sequences from various groups within the CS-alphabeta superfamily of defensive peptides can be described by a ten-cysteine reference array that aligns their defining structural motifs. CONCLUSIONS: The proposed ten-cysteine reference array can be used in addition to current nomenclature to compare sequences in the CS-alphabeta superfamily and clarify their features relative to one another. This will facilitate analysis and discussion of "invertebrate defensins" in an appropriate evolutionary context, rather than relying on nomenclature. PMID- 27863511 TI - Analysis of complement biomarkers in systemic sclerosis indicates a distinct pattern in scleroderma renal crisis. AB - BACKGROUND: The complement system has been implicated in pathogenesis of systemic sclerosis (SSc). The goal of the present study was to evaluate improved complement biomarkers in SSc. METHODS: The presence of C4d, reflecting activation of the classical/lectin pathways, C3bBbP corresponding to activation of the alternative pathway, and soluble terminal complement complexes (all complement pathways), was measured in plasma samples by enzyme-linked immunosorbent assay and correlated to clinical parameters. The study included 81 patients with limited cutaneous SSc and 41 with diffuse cutaneous SSc, as well as 47 matched healthy controls and 81 patients with rheumatoid arthritis, 22 with psoriatic arthritis and 20 with ankylosing spondylitis. Skin and kidney biopsies of selected patients were stained to detect deposited C3b as a marker of local complement activation. RESULTS: Biomarkers of activation of all complement pathways were increased in SSc compared with healthy controls and were similar to those in other rheumatic diseases. When patients with SSc were divided into subgroups, a distinct pattern of complement markers was observed in individuals with scleroderma renal crisis (SRC). By functional assay, we confirmed a significant decrease in complement haemolytic activity in SRC vs. non-SRC patients, indicating complement consumption. Further, we detected glomerular deposits of C3b in some patients with SRC. CONCLUSIONS: The data indicate that complement activation is an important feature of SRC. PMID- 27863513 TI - Epidemiology of rubella virus cases in the pre-vaccination era of Ethiopia, 2009 2015. AB - BACKGROUND: Rubella is a common mild rash illness caused by rubella virus. The majority of infections occur in children and young adults. The infection is the cause of a serious birth defect known as Congenital Rubella Syndrome (CRS) when a woman acquires infection early in pregnancy. Ethiopia has not yet established rubella virus surveillance and has not yet introduced rubella vaccine into the routine immunization program. We characterize the epidemiology of laboratory confirmed rubella virus cases collected through measles surveillance from 2009 to 2015 to better understand the burden of the disease in the country. METHODS: A descriptive analysis was made to characterize rubella cases reported through the national measles case based surveillance system. The measles case definition was used to capture potential rubella cases. A suspected measles case was a person with generalized rash and fever with cough, or coryza or conjunctivitis. Those cases whose sera were negative for measles IgM antibodies were tested for rubella IgM antibody. A confirmed rubella case was a person who tested positive for rubella IgM. Only laboratory confirmed rubella cases were analyzed in this article. RESULTS: Between 2009 and 2015, a total of 28,284 serum/plasma samples were collected and tested for measles IgM antibody and 11,151 (39.4%) were found positive. A total of 17,066 measles IgM negative or indeterminate samples were tested for rubella virus IgM and 2615 (15.3%) were found positive during the same period. Of 2615 confirmed rubella cases, 52.2% were females. The age of confirmed cases ranged from one month to 42 years with a mean age of 7.3 years. Three fourth of all confirmed rubella cases were aged less than 10 years. The number of laboratory confirmed rubella cases linearly increased from 83 in 2009 to 856 in 2013 but dropped to 222 and 319 in 2014 and 2015 respectively. Higher number of cases occurred in the hot dry season (January through June) and in the central and western part of Ethiopia with 127 lab-confirmed outbreaks in the study period. CONCLUSIONS: Based on our analysis, rubella was found to be endemic throughout Ethiopia. Children below the age of 10 years were the most affected. The burden of rubella cases varied from year to year but had a seasonal peak in March. To better understand the magnitude of rubella prior to vaccine introduction, establishing rubella surveillance system, conducting sero prevalence studies among child bearing age females and establishing CRS sentinel surveillance among young infants are critical. PMID- 27863512 TI - Rheumatoid synovial fibroblasts differentiate into distinct subsets in the presence of cytokines and cartilage. AB - BACKGROUND: We investigated two distinct synovial fibroblast populations that were located preferentially in the lining or sub-lining layers and defined by their expression of either podoplanin (PDPN) or CD248, and explored their ability to undergo self-assembly and transmigration in vivo. METHODS: Synovial fibroblasts (SF) were cultured in vitro and phenotypic changes following stimulation with interleukin (IL)-1beta, tumor necrosis factor (TNF)-alpha, and transforming growth factor (TGF)-beta1 were examined. To examine the phenotype of SF in vivo, a severe combined immunodeficiency (SCID) human-mouse model of cartilage destruction was utilised. RESULTS: SF in the lining layer in rheumatoid arthritis (RA) expressed high levels of PDPN compared to the normal synovium, whereas CD248 expression was restricted to sub-lining layer cells. TNF-alpha or IL1 stimulation in vitro resulted in an increased expression of PDPN. In contrast, stimulation with TGF-beta1 induced CD248 expression. In the SCID human mouse model, rheumatoid SF recapitulated the expression of PDPN and CD248. Fibroblasts adjacent to cartilage expressed PDPN, and attached to, invaded, and degraded cartilage. PDPN+ CD248- SF preceded the appearance of PDPN- CD248+ cells in contralateral implants. CONCLUSIONS: We have identified two distinct SF populations identified by expression of either PDPN or CD248 which are located within different anatomical compartments of the inflamed synovial membrane. These markers discriminate between SF subsets with distinct biological properties. As PDPN-expressing cells are associated with early fibroblast migration and cartilage erosion in vivo, we propose that PDPN-expressing cells may be an attractive therapeutic target in RA. PMID- 27863514 TI - Statistical methods and modelling techniques for analysing hospital readmission of discharged psychiatric patients: a systematic literature review. AB - BACKGROUND: Psychiatric services have undergone profound changes over the last decades. CEPHOS-LINK is an EU-funded study project with the aim to compare readmission of patients discharged with psychiatric diagnoses using a registry based observational record linkage study design and to analyse differences in the findings for five different countries. A range of different approaches is available for analysis of the available data. Although there are some studies that compare selected methods for evaluating questions on readmission, there are to our knowledge no published systematic literature reviews on commonly used methods and their comparison. This work shall therefore provide an overview of the methods in use, their evolution throughout history and new developments which can further improve the research quality in this area. METHODS: Based on systematic literature reviews realized in the course of the CEPHOS-LINK study, this work is a systematic evaluation of mathematical (statistical and modelling) methods used in studies examining psychiatric readmission. The starting point were 502 papers, of which 407 were analysed in detail; Methods used were assigned to one of five categories with subcategories and analysed accordingly. Our particular interest next to survival analysis and regression models is modelling and simulation. RESULTS: As population sizes and follow-up times in the included studies varied widely, a range of methods was applied. Studies with bigger sample sizes conducted survival and regression analysis more often than studies with fewer patients did. These latter relied more on classical statistical tests (e.g. t-tests and Student Newman Keuls). Statistical strategies were often insufficiently described, posing a major problem for the evaluation. Almost all cases failed to provide and explanation of the rationale behind using certain methods. CONCLUSION: There is a discernible trend from classical parametric/nonparametric tests in older studies towards regression and survival analyses in more recent ones. Modelling and simulation were under-represented despite their high usability, as has been identified in other health applications and comparable research areas. PMID- 27863515 TI - Feasibility trial of a scalable psychological intervention for women affected by urban adversity and gender-based violence in Nairobi. AB - BACKGROUND: Living in conditions of chronic adversity renders many women more vulnerable to experiencing gender-based violence (GBV). In addition to GBV's physical and social consequences, the psychological effects can be pervasive. Access to evidence-based psychological interventions that seek to support the mental health of women affected by such adversity is rare in low- and middle income countries. METHODS: The current study evaluates a brief evidence-informed psychological intervention developed by the World Health Organization for adults impacted by adversity (Problem Management Plus; PM+). A feasibility randomised control trial (RCT) was conducted to inform a fully powered trial. Community health workers delivered the intervention to 70 women residing in three peri urban settings in Nairobi, Kenya. Women, among whom 80% were survivors of GBV (N = 56), were randomised to receive five sessions of either PM+ (n = 35) by community health workers or enhanced treatment as usual (ETAU; n = 35). RESULTS: PM+ was not associated with any adverse events. Although the study was not powered to identify effects and accordingly did not identify effects on the primary outcome measure of general psychological distress, women survivors of adversity, including GBV, who received PM+ displayed greater reductions in posttraumatic stress disorder symptoms following treatment than those receiving ETAU. CONCLUSIONS: This feasibility study suggests that PM+ delivered by lay health workers is an acceptable and safe intervention to reach women experiencing common mental disorders and be inclusive for those affected by GBV and can be studied in a RCT in this setting. The study sets the stage for a fully powered, definitive controlled trial to assess this potentially effective intervention. TRIAL REGISTRATION: ACTRN12614001291673 , 10/12/2014, retrospectively registered during the recruitment phase. PMID- 27863516 TI - Residential neighbourhood greenspace is associated with reduced risk of incident diabetes in older people: a prospective cohort study. AB - BACKGROUND: Three cross sectional studies suggest that neighbourhood greenspace may protect against incident diabetes. This study uses data from a longitudinal study with a large sample size to investigate the association between greenspace and the occurrence of incident diabetes over time. METHODS: Data was from the European Prospective Investigation of Cancer Norfolk, UK, cohort, recruitment 1993-2007 (N = 23,865). Neighbourhoods were defined as 800 m circular buffers around participants' home locations, according to their home postcode (zip code). Greenspace exposure was defined as the percentage of the home neighbourhood that was woodland, grassland, arable land, mountain, heath and bog, according to the UK Land Cover Map. Cox proportional hazards regression examined the association between neighbourhood greenspace exposure and incident diabetes. The population attributable fraction assessed the proportion of diabetes cases attributable to exposure to least green neighbourhoods. Mediation analysis assessed if physical activity explained associations between greenspace and diabetes. Interaction analysis was used to test for the modifying effect of rurality and socio-economic status on the relationship between greenspace and diabetes. Models were adjusted for known and hypothesised confounders. RESULTS: The mean age of participants was 59 years at baseline and 55.1% were female. The mean follow-up time was 11.3 years. Individuals living in the greenest neighbourhood quartile had a 19% lower relative hazard of developing diabetes (HR 0.81; 95% CI 0.67, 0.99; p = 0.035; linear trend p = 0.010). The hazard ratio remained similar (HR 0.81; 95% CI 0.65, 0.99; p = 0.042) after adjusting for age, sex, BMI, whether a parent had been diagnosed with diabetes and socio-economic status at the individual and neighbourhood level. A HR of 0.97 was attributed to the pathway through physical activity in a fully adjusted model, although this was non-significant (95% CI 0.88, 1.08; p = 0.603). The incidence of diabetes in the least green neighbourhoods (with 20% greenspace on average) would fall by 10.7% (95% CI 2.1%, 25.2%; p = 0.106) if they were as green as the average neighbourhood observed across the whole cohort (59% greenspace on average). There were no significant interactions between rurality or socio-economic status and level of greenspace. CONCLUSIONS: Greener home neighbourhoods may protect against risk of diabetes in older adults, although this study does not support a mediation role for physical activity. Causal mechanisms underlying the associations require further investigation. PMID- 27863517 TI - Retrospective observation on contribution and limitations of screening for breast cancer with mammography in Korea: detection rate of breast cancer and incidence rate of interval cancer of the breast. AB - BACKGROUND: The purpose of this study was to determine the benefits and limitations of screening for breast cancer using mammography. METHODS: Descriptive design with follow-up was used in the study. Data from breast cancer screening and health insurance claim data were used. The study population consisted of all participants in breast cancer screening from 2009 to 2014. Crude detection rate, positive predictive value and sensitivity and specificity of breast cancer screening and, incidence rate of interval cancer of the breast were calculated. RESULTS: The crude detection rate of breast cancer screening per 100,000 participants increased from 126.3 in 2009 to 182.1 in 2014. The positive predictive value of breast cancer screening per 100,000 positives increased from 741.2 in 2009 to 1,367.9 in 2014. The incidence rate of interval cancer of the breast per 100,000 negatives increased from 51.7 in 2009 to 76.3 in 2014. The sensitivities of screening for breast cancer were 74.6% in 2009 and 75.1% in 2014 and the specificities were 83.1% in 2009 and 85.7% in 2014. CONCLUSIONS: To increase the detection rate of breast cancer by breast cancer screening using mammography, the participation rate should be higher and an environment where accurate mammography and reading can be performed and reinforcement of quality control are required. To reduce the incidence rate of interval cancer of the breast, it will be necessary to educate women after their 20s to perform self examination of the breast once a month regardless of participation in screening for breast cancer. PMID- 27863518 TI - Safety and efficacy of bridging to lung transplantation with antifibrotic drugs in idiopathic pulmonary fibrosis: a case series. AB - BACKGROUND: Following recent approval of pirfenidone and nintedanib for idiopathic pulmonary fibrosis (IPF), questions arise about the use of these antifibrotics in patients awaiting lung transplantation (LTx). METHODS: Safety and efficacy of antifibrotic drugs in IPF patients undergoing LTx were investigated in a single-centre retrospective cohort analysis. RESULTS: A total of nine patients, receiving antifibrotic therapy for 419 +/- 315 days until subsequent LTx, were included. No major side effects were noted. Significant weight loss occurred during antifibrotic treatment (p = 0.0062). FVC tended to stabilize after 12 weeks of treatment in most patients. A moderate decline in FVC, TLC and DLCO was noted during the whole pretransplant time period of antifibrotic therapy. Functional exercise capacity and lung allocation score remained unchanged. No post-operative thoracic wound healing problems, nor severe early anastomotic airway complications were attributable to prior antifibrotic treatment. None of the patients developed chronic lung allograft dysfunction after a median follow-up of 19.8 (11.2-26.5) months; and post-transplant survival was 100% after 1 year and 80% after 2 years. CONCLUSIONS: Antifibrotic drugs can probably be safely administered in IPF patients, possibly attenuating disease progression over time, while awaiting LTx. PMID- 27863519 TI - TET-dependent regulation of retrotransposable elements in mouse embryonic stem cells. AB - BACKGROUND: Ten-eleven translocation (TET) enzymes oxidise DNA methylation as part of an active demethylation pathway. Despite extensive research into the role of TETs in genome regulation, little is known about their effect on transposable elements (TEs), which make up nearly half of the mouse and human genomes. Epigenetic mechanisms controlling TEs have the potential to affect their mobility and to drive the co-adoption of TEs for the benefit of the host. RESULTS: We performed a detailed investigation of the role of TET enzymes in the regulation of TEs in mouse embryonic stem cells (ESCs). We find that TET1 and TET2 bind multiple TE classes that harbour a variety of epigenetic signatures indicative of different functional roles. TETs co-bind with pluripotency factors to enhancer like TEs that interact with highly expressed genes in ESCs whose expression is partly maintained by TET2-mediated DNA demethylation. TETs and 5 hydroxymethylcytosine (5hmC) are also strongly enriched at the 5' UTR of full length, evolutionarily young LINE-1 elements, a pattern that is conserved in human ESCs. TETs drive LINE-1 demethylation, but surprisingly, LINE-1s are kept repressed through additional TET-dependent activities. We find that the SIN3A co repressive complex binds to LINE-1s, ensuring their repression in a TET1 dependent manner. CONCLUSIONS: Our data implicate TET enzymes in the evolutionary dynamics of TEs, both in the context of exaptation processes and of retrotransposition control. The dual role of TET action on LINE-1s may reflect the evolutionary battle between TEs and the host. PMID- 27863520 TI - Modeling the effects of palm-house proximity on the theoretical risk of Chagas disease transmission in a rural locality of the Orinoco basin, Colombia. AB - BACKGROUND: Chagas disease is a major public health concern in Latin America and it is transmitted by insects of the subfamily Triatominae, including Rhodnius spp. Since palm trees are ubiquitous in Colombia and a habitat for Rhodnius spp., the presence of palms near villages could increase contact rates between vectors and humans. Therefore, knowing whether a relationship exists between the proximity of palms to villages and the abundance and distribution of vectors therein, may be critical for Chagas disease prevention programs. Adapting a mathematical model for R. prolixus population dynamics in a small village, we model the implications of changing distances between palms and dwellings, to the risk of Chagas disease infection. METHODS: We implemented a mathematical model that reflects R. prolixus population dynamics in a small village located in the department of Casanare (Colombia) to study the role of palm-house proximity. We varied the distance between palms and houses by monitoring the network global efficiency metric. We constructed 1,000 hypothetical villages varying distances and each one was run 100 times. RESULTS: According to the model, as palm-house proximity increases, houses were more likely to be visited by triatomine bugs. The number of bugs per unit time increased progressively in a non-linear fashion with high variability. We stress the importance of village configuration on the model output. CONCLUSIONS: From a theoretical perspective, palm-house proximity may have a positive effect on the incidence of Chagas disease. The model predicts a 1% increase in new human cases per year when houses and palms are brought closer by 75%. PMID- 27863521 TI - Seroprevalence of bovine theileriosis in northern China. AB - BACKGROUND: Bovine theileriosis is a common disease transmitted by ticks, and can cause loss of beef and dairy cattle worldwide. Here, an indirect enzyme-linked immunosorbent assay (iELISA) based on Theileria luwenshuni surface protein (TlSP) was developed and used to carry out a seroepidemiological survey of bovine theileriosis in northern China. METHODS: We used the BugBuster Ni-NTA His*Bind Purification Kit to purify recombinant TlSP (rTlSP), which was subsequently analyzed by Western Blotting to evaluate cross-reactivity with other pathogen positive sera. The iELISA method based on rTlSP was successfully developed. Sera from 2005 blood samples were tested with the rTlSP-iELISA method, and blood smears from these samples were observed by microscopy. RESULTS: The specificity of iELISA was 98.9%, the sensitivity was 98.5%, and the cut-off was selected as 24.6%. Western Blot analysis of rTlSP confirmed that there were cross-reactions with Theileria luwenshuni, Theileria uilenbergi, Theileria ovis, Theileria annulata, Theileria orientalis and Theileria sinensis. The epidemiological survey showed that the highest positive rate of bovine theileriosis was 98.3%, the lowest rate was 84.1%, and the average positive rate was 95.4% by iELISA. With microscopy, the highest positive rate was 38.9%, the lowest rate was 5.1%, and the relative average positive rate was 13.7%. CONCLUSIONS: An rTlSP-iELISA was developed to detect circulating antibodies against bovine Theileria in northern China. This is the first report on the seroprevalence of bovine theileriosis in northern China, and it also provides seroepidemiological data on bovine theileriosis in China. PMID- 27863523 TI - Oligoclonal expansion of TCR Vdelta T cells may be a potential immune biomarker for clinical outcome of acute myeloid leukemia. AB - BACKGROUND: Recent data have shown that gammadelta T cells can act as mediators for immune defense against tumors. Our previous study has demonstrated that persisting clonally expanded TRDV4 T cells might be relatively beneficial for the outcome of patients with T cell acute lymphoblastic leukemia after hematopoietic stem cell transplantation (HSCT). However, little is known about the distribution and clonality of the TRDV repertoire in T cell receptor (TCR) of gammadelta T cells and their effects on the clinical outcome of patients with acute myeloid leukemia (AML). The aim of this study was to assess whether the oligoclonal expansion of TCR Vdelta T cells could be used as an immune biomarker for AML outcome. FINDINGS: gammadelta T cells were sorted from the peripheral blood of 30 patients with untreated AML and 12 healthy donors. The complementarity determining region 3 (CDR3) sizes of eight TCR Vdelta subfamily genes (TRDV1 to TRDV8) were analyzed in sorted gammadelta T cells using RT-PCR and GeneScan. The most frequently expressed TRDV subfamilies in the AML patients were TRDV8 (86.67 %) and TRDV2 (83.33 %), and the frequencies for TRDV1, TRDV3, TRDV4, and TRDV6 were significantly lower than those in healthy individuals. The most frequent clonally expanded TRDV subfamilies in the AML patients included TRDV8 (56.67 %) and TRDV4 (40 %). The clonal expansion frequencies of the TRDV2 and TRDV4 T cells were significantly higher than those in healthy individuals, whereas a significantly lower TRDV1 clonal expansion frequency was observed in those with AML. Moreover, the oligoclones of TRDV4 and TRDV8 were independent protective factors for complete remission. Furthermore, the oligoclonal expansion frequencies of TRDV5 and TRDV6 in patients with relapse were significantly higher than those in non-recurrent cases. CONCLUSIONS: To the best of our knowledge, we characterized for the first time a significant alteration in the distribution and clonality of the TRDV subfamily members in gammadelta T cells sorted from AML patients. Clonally expanded TRDV4 and TRDV8 T cells might contribute to the immune response directed against AML, while oligoclonal TRDV5 and TRDV6 might occur in patients who undergo relapse. While the function of such gammadelta T cell clones requires further investigation, TRDV gammadelta T cell clones might be potential immune biomarkers for AML outcome. PMID- 27863522 TI - Cardiometabolic health, prescribed antipsychotics and health-related quality of life in people with schizophrenia-spectrum disorders: a cross-sectional study. AB - BACKGROUND: People with schizophrenia-spectrum disorders (SSD) often have high levels of obesity and poor cardiometabolic health. Certain types of antipsychotics have been shown to contribute towards weight gain and there is some equivocal evidence that obesity is related to poor health-related quality of life (HRQoL) in people with SSD. It is also still uncertain if antipsychotic polypharmacy/higher doses of antipsychotics are linked with HRQoL and/or increased risk of obesity/Cardiovascular Disease (CVD). Therefore, this study aimed to examine potential relationships between prescribed antipsychotic medication regimens, cardiometabolic health risks and HRQoL in community-based Chinese people with SSD. METHOD: This cross-sectional study reports the results of baseline measurements of a random sample of patients in an ongoing controlled trial of physical health intervention for people with severe mental illness. Data from these randomly-selected participants (n = 82) were analysed to calculate 10 year CVD relative-risk (using QRISK(r)2 score), estimate the prevalence of metabolic syndrome and contextualize patients' prescribed antipsychotics (types, combinations and Daily Defined Dose equivalent). Patients self-reported their HRQoL (SF12v2) and their obesity condition was assessed by waist-circumference and Body Mass Index (BMI). RESULTS: Two-thirds of patients had a BMI >=23 kg/m2, almost half were centrally obese and 29% met the criteria for metabolic syndrome. The individual relative-risk of CVD ranged from 0.62 to 15, and 13% had a moderate-to-high 10-year CVD risk score. Regression models showed that lower physical HRQoL was predicted by higher BMI and lower mental HRQoL. Higher Defined Daily Dose, clozapine, younger age and male gender were found to explain 40% of the variance in CVD relative risk. CONCLUSION: The findings indicate that cardiometabolic health risks in people with SSD may be more common than those reported in the general Hong Kong population. The results also provide further support for the need to consider antipsychotic polypharmacy and higher doses of antipsychotics as factors that may contribute towards cardiometabolic risk in Chinese patients with SSD. Clinicians in Hong Kong should consider using routine CVD risk screening, and be aware that younger male patients who are taking clozapine and prescribed higher Defined Daily Dose seem to have the highest relative-risk of CVD. TRIAL REGISTRATION: Clinicaltrials.gov NCT02453217 . Prospectively registered on 19th May 2015. PMID- 27863524 TI - Positive mental health in outpatients: comparison within diagnostic groups. AB - BACKGROUND: Positive mental health (PMH) supplements the definition of mental health which is not just the mere absence of mental illness. It encompasses an individual's social, emotional and psychological well-being. This cross-sectional study examines the PMH levels in a multi-ethnic outpatient population and the socio-demographic correlates of PMH across the various diagnostic groups. In addition comparisons with the general population were conducted. METHODS: Outpatients with schizophrenia spectrum, depressive or anxiety disorders seeking treatment at a tertiary psychiatric care hospital were included in the study sample. All respondents completed the PMH instrument. Independent t-tests and ANOVA with Bonferroni post-hoc tests were used to establish differences between the PMH levels and domains. RESULTS: Three hundred and sixty outpatients with a mean age of 39.2 years were included in the study. 52.5% were younger adults (21 39 years). There were slightly more males (50.8%) and 56.1% of the sample was unemployed. PMH scores differed between the patient and general populations. There were significant associations of the PMH domains with socio-demographic variables such as age, ethnicity, gender and education status in the patient population. CONCLUSIONS: PMH can be viewed as a protective factor of mental illnesses. As such it is critical that mental health professionals examine the domains of PMH in individuals with mental illnesses. This will in turn allow them to develop coping strategies that can look into focusing on emotional, psychological and social well-being appropriately to allow these individuals to thrive. PMID- 27863525 TI - Sexual dysfunction among youth: an overlooked sexual health concern. AB - BACKGROUND: There is growing recognition that youth sexual health entails a broad range of physical, emotional and psychosocial responses to sexual interactions, yet little is known about sexual dysfunctions and well being in youth populations. This study explored sexual dysfunctions among youth and its associations with other domains of sexual health. Sexual dysfunctions were defined as: problems related to orgasm, pain during intercourse, lack of sexual desire or sexual pleasure. METHODS: Data were drawn from the 2010 French national sexual and reproductive health survey comprising a random sample of 2309 respondents aged 15-24 years. The current analysis included 842 females and 642 males who had sexual intercourse in the last 12 months. Chi square tests were used to test for differences in sexual dysfunctions by sex and explore associations with other domains of sexual health. RESULTS: Half of females (48%) reported at least one sexual dysfunction versus 23% of males. However, over half (57%) of youth reporting at least one dysfunction did not consider this to hinder their sexuality. Altogether, 31% of females cited at least one sexual dysfunction hindering their sexuality-more than three times the 9% of males. Sexual dysfunction was strongly and inversely related to sexual satisfaction for both males and females and additionally to a recent diagnosis of STI or unintended pregnancy for females. Sexual dysfunctions hindering sexuality were also correlated with a history of unintended pregnancy among males. CONCLUSION: While most youth in France enjoy a satisfying sexual life, sexual dysfunction is common, especially among females. Public health programs and clinicians should screen for and address sexual dysfunction, which substantially reduce youth sexual wellbeing. PMID- 27863526 TI - Assessment of ICount software, a precise and fast egg counting tool for the mosquito vector Aedes aegypti. AB - BACKGROUND: Widespread in the tropics, the mosquito Aedes aegypti is an important vector of many viruses, posing a significant threat to human health. Vector monitoring often requires fecundity estimation by counting eggs laid by female mosquitoes. Traditionally, manual data analyses have been used but this requires a lot of effort and is the methods are prone to errors. An easy tool to assess the number of eggs laid would facilitate experimentation and vector control operations. RESULTS: This study introduces a built-in software called ICount allowing automatic egg counting of the mosquito vector, Aedes aegypti. ICount egg estimation compared to manual counting is statistically equivalent, making the software effective for automatic and semi-automatic data analysis. This technique also allows rapid analysis compared to manual methods. Finally, the software has been used to assess p-cresol oviposition choices under laboratory conditions in order to test the system with different egg densities. CONCLUSIONS: ICount is a powerful tool for fast and precise egg count analysis, freeing experimenters from manual data processing. Software access is free and its user-friendly interface allows easy use by non-experts. Its efficiency has been tested in our laboratory with oviposition dual choices of Aedes aegypti females. The next step will be the development of a mobile application, based on the ICount platform, for vector monitoring surveys in the field. PMID- 27863527 TI - The role of social position and depressive symptoms in adolescence for life course trajectories of education and work: a cohort study. AB - BACKGROUND: While a vast amount of studies confirm the social reproduction of class and status from one generation to the next, less is known about the role of health in the child generation for these processes. Research has shown that particularly mental distress in adolescence is important for future life chances. This study aimed to examine the importance of parental socioeconomic position and depressive symptoms in youth for life-course trajectories of education and labour market attachment among men and women. METHODS: Based on four waves of questionnaire data from the Northern Swedish Cohort (n = 1,001), consisting of individuals born in 1965, three steps of gender-separate analyses were undertaken. First, the individual trajectories of education and labour market attachment from age 18 to 42 were mapped through sequence analysis. Second, cluster analysis was used to identify typical trajectories. Third, two indicators of parental socioeconomic position - occupational class and employment status - and depressive symptoms at age 16 were used in multinomial regression analyses to predict adult life-course trajectories. RESULTS: Four typical trajectories were identified for men, of which three were characterised by stable employment and various lengths of education, and the fourth reflected a more unstable situation. Among women, five trajectories emerged, characterised by more instability compared to men. Low parental occupational class and unemployment were significantly associated with a higher risk of ending up in less advantaged trajectories for men while, for women, this was only the case for occupational class. Youth levels of depressive symptoms did not significantly differ across the trajectories. CONCLUSIONS: This study found support for the intergenerational reproduction of social position, particularly when measured in terms of parental occupational class. Youth depressive symptoms did not show clear differences across types of trajectories, subsequently impeding such symptoms to trigger any selection processes. While this could be a consequence of the specific framework of the current study, it may also suggest that depressive symptoms in youth are not a root cause for the more complex processes through which how social position develops across life. The possible impact of welfare and labour market policies is discussed. PMID- 27863529 TI - The expression of SIRT1 in articular cartilage of patients with knee osteoarthritis and its correlation with disease severity. AB - BACKGROUND: The study aims to investigate the expression of SIRT1 in articular cartilage of patients with primary knee osteoarthritis (OA) and its relationship with disease severity. METHODS: Cartilage tissue samples were collected from 38 knee OA patients and 9 normal healthy controls and then ascribed to normal, mild, moderate, and severe groups on the basis of the improved Mankin grading system. The expression of SIRT1 in articular cartilage was detected by immunohistochemistry and western blots. The expression of p53 and acetylated p53 (Ac-p53) was also measured by western blots. RESULTS: The mutual comparisons of the SIRT1 expression levels in all groups have statistical significance except the one between the mild and moderate groups. Moreover, western blot results showed that the SIRT1 was decreased and p53/Ac-p53 were increased in the OA group. The average gray level of SIRT1 increases with the improving grade of the improved Mankin grading system scorers. CONCLUSIONS: The expression of SIRT1 in articular cartilage is negatively associated with severity of knee OA, indicating that SIRT1 may act as a monitoring indicator for determining development and progression of knee OA. PMID- 27863528 TI - Oligodendrocyte development in the embryonic tuberal hypothalamus and the influence of Ascl1. AB - BACKGROUND: Although the vast majority of cells in our brains are glia, we are only beginning to understand programs governing their development, especially within the embryonic hypothalamus. In mice, gliogenesis is a protracted process that begins during embryonic stages and continues into the early postnatal period, with glial progenitors first producing oligodendrocyte precursor cells, which then differentiate into pro-oligodendrocytes, pro-myelinating oligodendrocytes, and finally, mature myelinating oligodendrocytes. The exact timing of the transition from neurogenesis to gliogenesis and the subsequent differentiation of glial lineages remains unknown for most of the Central Nervous System (CNS), and is especially true for the hypothalamus. METHODS: Here we used mouse embryonic brain samples to determine the onset of gliogenesis and expansion of glial populations in the tuberal hypothalamus using glial markers Sox9, Sox10, Olig2, PdgfRalpha, Aldh1L1, and MBP. We further employed Ascl1 and Neurog2 mutant mice to probe the influence of these proneual genes on developing embryonic gliogenic populations. RESULTS: Using marker analyses for glial precursors, we found that gliogenesis commences just prior to E13.5 in the tuberal hypothalamus, beginning with the detection of glioblast and oligodendrocyte precursor cell markers in a restricted domain adjacent to the third ventricle. Sox9+ and Olig2+ glioblasts are also observed in the mantle region from E13.5 onwards, many of which are Ki67+ proliferating cells, and peaks at E17.5. Using Ascl1 and Neurog2 mutant mice to investigate the influence of these bHLH transcription factors on the progression of gliogenesis in the tuberal hypothalamus, we found that the elimination of Ascl1 resulted in an increase in oligodendrocyte cells throughout the expansive period of oligodendrogenesis. CONCLUSION: Our results are the first to define the timing of gliogenesis in the tuberal hypothalamus and indicate that Ascl1 is required to repress oligodendrocyte differentiation within this brain region. PMID- 27863530 TI - Performances of low level hospital health caregivers after a neonatal resuscitation course. AB - BACKGROUND: High fidelity simulation has been executed to allow the evaluation of technical and non-technical skills of health caregivers. Our objective was to assess technical and non-technical performances of low level hospitals health caregivers who attended a Neonatal Resuscitation course using high fidelity simulation in a standard-setting scenario. METHODS: Twenty-three volunteers were asked to manage a simple scenario (infant with secondary apnea) after the course. Technical and non-technical skills were assessed by using previously published scores. Performances were assessed during the scenario and after 2 months by filmed video recordings. RESULTS: Sixteen (69.5%) participants failed to pass the minimum required technical score. Staff experience and participation in previous courses were associated to higher score in technical and non-technical skills, while working in level I or II hospitals did not affect the scores. Previous experience in neonatal resuscitation requiring positive pressure ventilation was associated to better non-technical performance. Technical and non-technical scores were significantly correlated (r = 0.67, p = 0.0005). Delayed and direct evaluation of technical skills provided the same scores. CONCLUSIONS: A neonatal resuscitation course, performed by using a high fidelity simulation manikin, had a limited impact on technical and non-technical skills of participants working in low level hospitals. Training programs should be tailored to the participants' professional background and to the more relevant sessions. PMID- 27863531 TI - Effects of continuous renal replacement therapy on linezolid pharmacokinetic/pharmacodynamics: a systematic review. AB - BACKGROUND: Major alterations in linezolid pharmacokinetic/pharmacodynamic (PK/PD) parameters might be expected in critically ill septic patients with acute kidney injury (AKI) who are undergoing continuous renal replacement therapy (CRRT). The present review is aimed at describing extracorporeal removal of linezolid and the main PK-PD parameter changes observed in critically ill septic patients with AKI, who are on CRRT. METHOD: Citations published on PubMed up to January 2016 were systematically reviewed according to the preferred reporting items for systematic reviews and meta-analyses (PRISMA) statement. All authors assessed the methodological quality of the studies and consensus was used to ensure studies met inclusion criteria. In-vivo studies in adult patients with AKI treated with linezolid and on CRRT were considered eligible for the analysis only if operational settings of the CRRT machine, membrane type, linezolid blood concentrations and main PK-PD parameters were all clearly reported. RESULTS: Among 68 potentially relevant articles, only 9 were considered eligible for the analysis. Across these, 53 treatments were identified among the 49 patients included (46 treated with high-flux and 3 with high cut-off membranes). Continuous veno-venous hemofiltration (CVVH) was the most frequent treatment performed amongst the studies. The extracorporeal clearance values of linezolid across the different modalities were 1.2-2.3 L/h for CVVH, 0.9-2.2 L/h for hemodiafiltration and 2.3 L/h for hemodialysis, and large variability in PK/PD parameters was reported. The optimal area under the curve/minimum inhibitory concentration (AUC/MIC) ratio was reached for pathogens with an MIC of 4 mg/L in one study only. CONCLUSIONS: Wide variability in linezolid PK/PD parameters has been observed across critically ill septic patients with AKI treated with CRRT. Particular attention should be paid to linezolid therapy in order to avoid antibiotic failure in these patients. Strategies to improve the effectiveness of this antimicrobial therapy (such as routine use of target drug monitoring, increased posology or extended infusion) should be carefully evaluated, both in clinical and research settings. PMID- 27863534 TI - Diagnosis a posteriori? Assessing gestational diabetes screening and management in Morocco. AB - BACKGROUND: In Morocco, gestational diabetes affects 1 in 10 pregnant women, but knowledge about screening and management practices outside university settings is limited. OBJECTIVE: To provide a comprehensive picture about the current situation of screening and management of gestational diabetes at different levels of care and to highlight existing challenges. DESIGN: We conducted a descriptive mixed methods study in the districts of Al Haouz and Marrakech by using both quantitative and qualitative methods, including document reviews of 369 antenatal cards and 299 hospital files, health facility inventories related to resource availability, 20 key informant interviews as well as focus group discussions with 32 pregnant women and exit interviews with 122 antenatal care (ANC) clients. Quantitative data were descriptively analyzed using STATA Version 13, whereas qualitative data were thematically analyzed using NVIVO Version 10. RESULTS: The findings revealed that sensitization of women about gestational diabetes is low, and only 34.4% have ever heard about it before attending ANC. Fasting blood sugar is used for screening, and women are sent to external laboratories for testing. A fasting blood sugar of 0.92 g/l and above was documented in 12.3% of all antenatal cards examined. Women diagnosed with gestational diabetes are usually referred to a specialist despite general practitioners at health center level being responsible for the management of non-pregnant diabetic patients. CONCLUSIONS: Decentralization of screening for gestational diabetes and initial management of uncomplicated cases at the primary level of care could ease access to care and reduce the number of mothers who are diagnosed after a complication occurred. PMID- 27863533 TI - Ecological niche modelling of Rift Valley fever virus vectors in Baringo, Kenya. AB - BACKGROUND: Rift Valley fever (RVF) is a vector-borne zoonotic disease that has an impact on human health and animal productivity. Here, we explore the use of vector presence modelling to predict the distribution of RVF vector species under climate change scenario to demonstrate the potential for geographic spread of Rift Valley fever virus (RVFV). OBJECTIVES: To evaluate the effect of climate change on RVF vector distribution in Baringo County, Kenya, with an aim of developing a risk map for spatial prediction of RVF outbreaks. METHODOLOGY: The study used data on vector presence and ecological niche modelling (MaxEnt) algorithm to predict the effect of climatic change on habitat suitability and the spatial distribution of RVF vectors in Baringo County. Data on species occurrence were obtained from longitudinal sampling of adult mosquitoes and larvae in the study area. We used present (2000) and future (2050) Bioclim climate databases to model the vector distribution. RESULTS: Model results predicted potential suitable areas with high success rates for Culex quinquefasciatus, Culex univitattus, Mansonia africana, and Mansonia uniformis. Under the present climatic conditions, the lowlands were found to be highly suitable for all the species. Future climatic conditions indicate an increase in the spatial distribution of Cx. quinquefasciatus and M. africana. Model performance was statistically significant. CONCLUSION: Soil types, precipitation in the driest quarter, precipitation seasonality, and isothermality showed the highest predictive potential for the four species. PMID- 27863532 TI - Microvesicles secreted from equine amniotic-derived cells and their potential role in reducing inflammation in endometrial cells in an in-vitro model. AB - BACKGROUND: It is known that a paracrine mechanism exists between mesenchymal stem cells and target cells. This process may involve microvesicles (MVs) as an integral component of cell-to-cell communication. METHODS: In this context, this study aims to understand the efficacy of MVs in in-vitro endometrial stressed cells in view of potential healing in in-vivo studies. For this purpose, the presence and type of MVs secreted by amniotic mesenchymal stem cells (AMCs) were investigated and the response of endometrial cells to MVs was studied using a dose-response curve at different concentrations and times. Moreover, the ability of MVs to counteract the in vitro stress in endometrial cells induced by lipopolysaccharide was studied by measuring the rate of apoptosis and cell proliferation, the expression of some pro-inflammatory genes such as tumor necrosis factor-alpha (TNF-alpha), interleukin-6 (IL-6), interleukin 1beta (IL 1beta), and metalloproteinases (MMP) 1 and 13, and the release of some pro- or anti-inflammatory cytokines. RESULTS: MVs secreted by the AMCs ranged in size from 100 to 200 nm. The incorporation of MVs was gradual over time and peaked at 72 h. MVs reduced the apoptosis rate, increased cell proliferation values, downregulated pro-inflammatory gene expression, and decreased the secretion of pro-inflammatory cytokines. CONCLUSION: Our data suggest that some microRNAs could contribute to counteracting in-vivo inflammation of endometrial tissue. PMID- 27863535 TI - Towards an integrated primary and secondary HIV prevention continuum for the United States: a cyclical process model. AB - INTRODUCTION: Every new HIV infection is preventable and every HIV-related death is avoidable. As many jurisdictions around the world endeavour to end HIV as an epidemic, missed HIV prevention and treatment opportunities must be regarded as public health emergencies, and efforts to quickly fill gaps in service provision for all people living with and vulnerable to HIV infection must be prioritized. DISCUSSION: We present a novel, comprehensive, primary and secondary HIV prevention continuum model for the United States as a conceptual framework to identify key steps in reducing HIV incidence and improving health outcomes among those vulnerable to, as well as those living with, HIV infection. We further discuss potential approaches to address gaps in data required for programme planning, implementation and evaluation across the elements of the HIV prevention continuum. CONCLUSIONS: Our model conceptualizes opportunities to monitor and quantify primary HIV prevention efforts and, importantly, illustrates the interplay between an outcomes-oriented primary HIV prevention process and the HIV care continuum to move aggressively forward in reaching ambitious reductions in HIV incidence. To optimize the utility of this outcomes-oriented HIV prevention continuum, a key gap to be addressed includes the creation and increased coordination of data relevant to HIV prevention across sectors. PMID- 27863536 TI - How to support staff deploying on overseas humanitarian work: a qualitative analysis of responder views about the 2014/15 West African Ebola outbreak. AB - BACKGROUND: Responding to health crises overseas can be both rewarding and distressing for staff involved. OBJECTIVE: We interviewed UK staff involved in the 2014/15 Ebola response to identify experiences that positively or negatively affected them. METHOD: We conducted qualitative telephone interviews with 30 Public Health England (PHE) staff and 21 non-governmental organisation (NGO) staff who had deployed to West Africa. RESULTS: The main motivations for deploying were for moral reasons and personal development. Families were largely supportive of deployment, although family tension was apparent. Pre-deployment training was largely viewed positively. Common stressors included dealing with death and suffering as well as concerns about contagion, while uplifting aspects included seeing patients improve and receiving thanks from community members. Communications with home were largely satisfactory, although participants commonly self-censored their communication. Inter-organisational tensions caused stress, particularly for PHE staff hosted by NGOs. After deployment, loss of motivation and being avoided by friends and family were common. CONCLUSION: Highlighting the personal benefits arising from deployments, as well as their moral value, may help to increase volunteering. Efforts to improve the support given to responders should focus on identifying how to better support families, preparing all staff members for dealing with death and the risk of contagion, providing opportunities for staff to more frequently experience the uplifting aspects of deployment, resolving inter-organisational difficulties, and educating others about the low risk posed by responders on their return. PMID- 27863537 TI - High-resolution proteomic and lipidomic analysis of exosomes and microvesicles from different cell sources. AB - Extracellular vesicles (EVs), including exosomes and microvesicles (MVs), are explored for use in diagnostics, therapeutics and drug delivery. However, little is known about the relationship of protein and lipid composition of EVs and their source cells. Here, we report high-resolution lipidomic and proteomic analyses of exosomes and MVs derived by differential ultracentrifugation from 3 different cell types: U87 glioblastoma cells, Huh7 hepatocellular carcinoma cells and human bone marrow-derived mesenchymal stem cells (MSCs). We identified 3,532 proteins and 1,961 lipid species in the screen. Exosomes differed from MVs in several different areas: (a) The protein patterns of exosomes were more likely different from their cells of origin than were the protein patterns of MVs; (b) The proteomes of U87 and Huh7 exosomes were similar to each other but different from the proteomes of MSC exosomes, whereas the lipidomes of Huh7 and MSC exosomes were similar to each other but different from the lipidomes of U87 exosomes; (c) exosomes exhibited proteins of extracellular matrix, heparin-binding, receptors, immune response and cell adhesion functions, whereas MVs were enriched in endoplasmic reticulum, proteasome and mitochondrial proteins. Exosomes and MVs also differed in their types of lipid contents. Enrichment in glycolipids and free fatty acids characterized exosomes, whereas enrichment in ceramides and sphingomyelins characterized MVs. Furthermore, Huh7 and MSC exosomes were specifically enriched in cardiolipins; U87 exosomes were enriched in sphingomyelins. This study comprehensively analyses the protein and lipid composition of exosomes, MVs and source cells in 3 different cell types. PMID- 27863538 TI - In vivo relevance of polymorphic Interleukin 8 promoter haplotype for the systemic immune response to LPS in Holstein-Friesian calves. AB - Interleukin 8, also known as CXC chemokine ligand 8 (CXCL8), is a critical chemokine in the recruitment of leukocytes to sites of infection and is a potent mediator of inflammation. We previously discovered 29 polymorphic sites in the promoter region of the bovine Interleukin 8 gene, which segregate into two distinct haplotypes, denoted IL8-h1 and IL8-h2. Population genetic analysis of these two haplotypes showed significant inter-breed differences in haplotype frequency, which is suggestive of selection acting at this locus. Furthermore functional characterisation identified that IL8-h2 was more active in mammary epithelial cells stimulated with the bacterial endotoxin, LPS. However, the in vivo relevance of these functional differences in the IL8 gene has not been ascertained. Therefore, in the current study, we tested the hypothesis that IL8 haplotype would result in variation in the systemic immune response to LPS challenge in Holstein-Friesian (HF) calves. A Taqman assay was designed to genotype both Jersey and HF calves, from which 20 healthy HF calves (representing IL8-h1 and IL8-h2) from the same farm were subjected to LPS stimulation via jugular venepuncture (100ng/kg). Systemic immune profiling was subsequently performed up to 216h post-challenge. Haematological analysis showed perturbations in leukocyte populations of cells but only the lymphocyte response was significantly different between IL8-h1 and IL8-h2. IL8 expression levels were significantly different between haplogroups, at both the gene expression and protein levels (P<0.05). Circulating neutrophils were subsequently purified from each haplogroup to measure potential haplotype specific effects on neutrophil migration and bacterial killing but no significant differences were detected, which is likely due to the low circulating levels of IL8. We conclude that IL8 haplotype significantly affects IL8 expression profile in response to bacterial endotoxin in vivo, and the significant increase in IL8 in IL8-h2 calves supports our earlier findings in vitro. Genetic variation at the IL8 locus therefore explains a proportion of the inter-breed and inter-individual variation in immunity between neonatal calves which is likely to influence their resistance to infection. PMID- 27863539 TI - Single nucleotide polymorphisms in major histocompatibility class II haplotypes are associated with potential resistance to inflammatory bowel disease in German shepherd dogs. AB - German shepherd dogs (GSD) in the UK are at increased risk of developing the Inflammatory Bowel Disaese (IBD). IBD is believed to be a multifactorial immune mediated disease affecting genetically predisposed dogs. The aim of the current study was to investigate whether susceptibility to IBD in GSD is associated with the major histocompatibility complex (MHC) class II locus (Dog Leukocyte Antigen, DLA). Sequence-based genotyping of the three polymorphic DLA genes DLA-DRB1, DQA1 and -DQB1 was performed in 56 GSDs affected by IBD and in 50 breed-matched controls without any history of gastrointestinal signs. The haplotype DLA DRB1*015:02-DQA1*006:01-DQB1*023:01 was found to be present only in the control population and was associated with a reduced risk of IBD (P<0.001). In contrast, the haplotype DLA-DRB1*015:01-DQA1*006:01-DQB1*003:01 was associated with IBD (Odds ratio [OR]=1.93, confidence interval [CI]=1.02-3.67, P=0.05). This study has identified an association between DLA-type and canine IBD, supporting the immunogenetic aetiology and immunopathogenesis of this disease. PMID- 27863540 TI - Comparison of serum cytokine levels between dogs with multicentric lymphoma and healthy dogs. AB - In humans, multiple cytokines have been linked to the development of lymphoma, and are relevant biomarkers for response to chemotherapy and prognosis. In contrast, only a few circulating cytokines have been studied in dogs with lymphoma. We prospectively enrolled thirty-one dogs newly diagnosed with multicentric lymphoma. Immunophenotype was determined by flow cytometry in all dogs, separating them into 2 subgroups: B cell lymphoma (n=21) and T cell lymphoma (n=10). Nineteen healthy dogs were enrolled in the control group. Circulating cytokine concentrations were measured using a commercial canine multiplex magnetic bead-based assay which included Interleukin-2 (IL-2), IL-6, IL 7, IL-8, IL-10, IL-15, IL-18, Granulocyte Macrophage Colony-Stimulating Factor (GM-CSF), Tumor Necrosis Factor-alpha (TNF-alpha), Interferon gamma (IFN-gamma), IFN-gamma induced Protein-10 (IP-10), Keratinocyte Chemoattractant-like (KC like), and Monocyte Chemoattractant Protein-1 (MCP-1). The serum levels of each cytokine were first compared between the lymphoma and control groups, and then between the B cell lymphoma, T cell lymphoma, and control groups. There was no significant difference between the lymphoma and healthy control groups regarding sex, age and weight. MCP-1, IL-6, and IL-10 were significantly higher in dogs with lymphoma compared to healthy dogs (p<0.01, p=0.01 and p=0.03, respectively). MCP-1 and IL-10 were significantly higher in the B cell lymphoma group than in the healthy group (p=0.01, p=0.01, respectively). MCP-1 and IL-6 levels were significantly higher in the T cell lymphoma group than in the healthy group (p=0.02, p<0.01, respectively). IL-6 was significantly higher in the T cell lymphoma group than in the B cell lymphoma group (p=0.03). Significant differences among the groups were found for IL-15 and KC-like, but they were affected by age and/or sex. There were no significant differences in serum IL-2, IL-7, IL-8, IL-18, GM-CSF, TNF-alpha, IFN-gamma, and IP-10 between any of the groups. Significant differences in red blood cell, white blood cell, neutrophil, lymphocyte and monocyte counts were also found between the different groups of dogs. Our data showed different serum cytokine and peripheral blood cell profiles between dogs with lymphoma and healthy dogs, and between dogs with B cell and T cell lymphoma. Further study is necessary to investigate the role of these cytokines in lymphoma pathogenesis, response to treatment, and prognosis, and the influence of age, sex and blood cell counts on their expression. PMID- 27863541 TI - Cellular endocytic compartment localization of expressed canine CD1 molecules. AB - CD1 molecules are glycoproteins present primarily on dendritic cells (DCs), which recognize and present a variety of foreign- and self-lipid antigens to T-cells. Humans have five different CD1 isoforms that survey distinct cellular compartments allowing for recognition of a large repertoire of lipids. The canine CD1 family consists of seven functional CD1 molecules (canine CD1a2, CD1a6, CD1a8, CD1a9, CD1b, CD1c and CD1e) and one presumed non-functional isoform (canine CD1d) due to a disrupted gene structure. The aim of this study was to describe in vitro steady-state localization ptterns of canine CD1 isoforms and their correlation with endocytic organelles. GFP-fused canine CD1 293T cell transfectants were stained with markers for early endocytic compartments (EEA-1) and late endocytic/lysosomal compartments (LAMP-1), respectively, and analyzed by confocal microscopy. Canine CD1a molecules localized to the plasma membrane and partially to the early endocytic compartment, but not to late endosomes or lysosomes. In contrast, canine CD1b was highly associated with late endosomal/lysosomal compartments and showed a predominant intracellular expression pattern. Canine CD1c protein expression localized more promiscuously to both the early endosomal compartments and the late endosomal/lysosomal compartments. The canine CD1e molecule showed a strictly intracellular expression with a partial overlap with late endosomal/lysosomal compartments. Lastly, canine CD1d was expressed abnormally showing only a diminished GFP expression. In conclusion, canine CD1 transfectants show distinct localization patterns that are similar to human CD1 proteins with the exception of the canine CD1d isoform, which most likely is non-functional. These findings imply that canine CD1 localization overall resembles human CD1 trafficking patterns. This knowledge is important for the understanding of lipid antigen-receptor immunity in the dog. PMID- 27863542 TI - Optimisation and validation of a PCR for antigen receptor rearrangement (PARR) assay to detect clonality in canine lymphoid malignancies. AB - PCR for antigen receptor gene rearrangements (PARR) analysis is being increasingly used to assist diagnosis of canine lymphoma. In this study, PARR was carried out on consecutive samples received as part of routine diagnostic practice from 271 patients: 195 with lymphoid malignancies, 53 with reactive conditions and 23 with other neoplasms. Initially, published primer sets were used but later minor primer modifications were introduced and primers were rationalised to give a PARR panel that provides a good compromise between sensitivity and cost. Results were compared to diagnoses made by histology or cytology, coupled with immunophenotyping by flow cytometry or immunohistochemistry where possible. After exclusion of 11 poor quality samples, 230/260 (88%) gave a clear result with 162/163 (99%) of samples classified as clonal and 56/67 (84%) classified as polyclonal giving results concordant with the cytological/histological diagnosis. Among 30 samples with equivocal results, 21 had clonal peaks in a polyclonal background and nine showed little amplification. These were from patients with a range of neoplastic and non neoplastic conditions emphasising the need to interpret such results carefully in concert with other diagnostic tests. The combination of primer sets used in this study resulted in a robust, highly specific and sensitive assay for detecting clonality. PMID- 27863543 TI - Reduced humoral immunity and atypical cell-mediated immunity in response to vaccination in cows naturally infected with bovine leukemia virus. AB - Bovine leukemia virus (BLV) is a retrovirus that is widely distributed across US dairy herds: over 83% of herds are BLV-infected and within-herd infection rates can approach 50%. BLV infection reduces both animal longevity and milk production and can interfere with normal immune health. With such a high prevalence of BLV infection in dairy herds, it is essential to understand the circumstances by which BLV negatively affects the immune system of infected cattle. To address this question, BLV- and BLV+ adult, lactating Holstein dairy cows were vaccinated with Bovi-Shield GOLD(r) FP(r) 5 L5 HB and their immune response to vaccination was measured over the course of 28days. On day 0 prior to vaccination and days 7, 14 and 28 post-vaccination, fresh PBMCs were characterized for T and B cell ratios in the periphery. Plasma was collected to measure titers of IgM, IgG1 and IgG2 produced against bovine herpesvirus 1 (BHV1), Leptospira hardjo and L. pomona, as well as to characterize neutralizing antibody titers produced against BHV1 and bovine viral diarrhea virus types 1 and 2. On day 18 post-vaccination, PBMCs were cultured in the presence of BHV1 and flow cytometry was used to determine IFNgamma production by CD4+, CD8+ and gammadelta T cells and to investigate CD25 and MHCII expression on B cells. BLV+ cows produced significantly lower titers of IgM against BHV1, L. hardjo and L. pomona and produced lower titers of IgG2 against BHV1. gammadelta T cells from BLV+ cows displayed a hyper reactive response to stimulation in vitro, although no differences were observed in CD4+ or CD8+ T cell activation. Finally, B cells from BLV+ cows exhibited higher CD25 expression and reduced MHCII expression in response to stimulation in vitro. All together, data from this study support the hypothesis that BLV+ cows fail to respond to vaccination as strongly as BLV- cows and, consequently, may have reduced protective immunity when compared to healthy BLV- cows. PMID- 27863544 TI - Effect of a post-weaning diet supplemented with functional feed additives on ileal transcriptome activity and serum cytokines in piglets challenged with lipopolysaccharide. AB - This study evaluated the potential of a weanling diet supplemented with trace minerals, vitamins, prebiotics, essential oils, antioxidants and bovine colostrum (BC) to modulate the inflammatory response of low-weight (LW) and high-weight (HW) piglets challenged with lipopolysaccharide (LPS). At weaning (20+/-1 d), litters from 32 sows were assigned to four groups: control diet (CTL), CTL plus dietary supplements (DS) or the antibiotic chlortetracycline (ATB), or DS plus BC in place of plasma proteins in the weanling diet (DS+BC). At 37 d (T0), two LW and two HW piglets were bled to evaluate ex vivo cytokine production by LPS activated peripheral blood mononuclear cells (PBMCs). In parallel, LW and HW piglets received intraperitoneal LPS and were bled at slaughter at 4h (T4) or 18h (T18) post-injection. Ileal tissues from these piglets and two unchallenged medium weight (MW) piglets per treatment were excised and analyzed by microarray. At T0, cytokine production of LPS-activated PBMCs was not affected by dietary treatments. At T4 after LPS challenge, serum concentrations of TNF-alpha, IL-6, IL-8, and IL-10 were increased in all piglets (P<0.01). Interestingly, the LW piglets had a higher TNF-alpha level than the HW piglets did (P=0.05). Dietary treatments had no effect on the piglet serum concentration of these cytokines neither at T4 nor at T18. Microarray data and QPCR analysis reveal that several genes were differentially expressed in the LPS-challenged piglets in comparison with the two control MW piglets (P<0.001). However, the dietary treatments had a slight effect on the ileal gene expression of the T4 and T18 LPS-challenged piglets when all piglets were included in the analysis. But when body weight (LW and HW) was considered as a fixed effect, the microarray analysis showed that the expression of 54 genes was differentially modulated by the dietary treatments in the T4 and T18 LPS-challenged LW piglets (P<0.05) while in HW piglets no difference was observed. QPCR analyses confirm that the level expression of several genes was reduced in LW piglets fed DS or DS+BC diet compared with ATB piglets. In conclusion, LPS challenge induced a transitional inflammation in weanling piglets that was characterized by increased blood-circulating cytokines and gut transcriptome activity. Results also suggest that the weanling diet supplemented with feed additives attenuated the ileal gene response to the LPS challenge, an effect that was more pronounced in the LW piglets. PMID- 27863545 TI - Porcine Treg depletion with a novel diphtheria toxin-based anti-human CCR4 immunotoxin. AB - Regulatory T cells (Tregs) are known to play an important role in immunoregulation and have been shown to facilitate induction of transplantation tolerance. Chemokine (C-C motif) receptor 4 (CCR4) is expressed on the surface of effector Tregs involved in controlling alloimmune and autoimmune responses. Recently we have developed a novel diphtheria-toxin based anti-human CCR4 immunotoxin for depleting CCR4+ cells in vivo. In this study, we have demonstrated that the anti-human CCR4 immunotoxin bound to porcine lymphocytes including CD4+FoxP3+ Tregs. Anti-human CCR4 immunotoxin effectively depleted CCR4+ Foxp3+ porcine Tregs in vivo. We observed depletion of up to 70-85% of the CCR4+Foxp3+ porcine Tregs in the peripheral blood and 85-91% in the lymph nodes following the anti-human CCR4 immunotoxin treatment in Massachusetts General Hospital (MGH) miniature swine. The depletion lasted for about one week with no significant reduction observed within CCR4- cell populations including CD8alpha+ T cells, CCR4-CD4+ T cells and B cells. In summary, anti-human CCR4 immunotoxin effectively depleted CCR4+Foxp3+ porcine Tregs in both peripheral blood and lymph nodes. PMID- 27863546 TI - Identification of three novel B-cell epitopes of VMH protein from Vibrio mimicus by screening a phage display peptide library. AB - Vibrio mimicus is the causative agent of ascites disease in fish. The heat-labile hemolytic toxin designated VMH is an immunoprotective antigen of V. mimicus. However, its epitopes have not been well characterized. Here, a commercially available phage displayed 12-mer peptide library was used to screen epitopes of VMH protein using polyclonal rabbit anti-rVMH protein antibodies, and then five positive phage clones were identified by sandwich and competitive ELISA. Sequences analysis showed that the motif of DPTLL displayed on phage clone 15 and the consensus motif of SLDDDST displayed on the clone 4/11 corresponded to the residues 134-138 and 238-244 of VMH protein, respectively, and the synthetic motif peptides could also be recognized by anti-rVMH-HD antibody in peptide ELISA. Thus, both motifs DPTLL and SLDDDST were identified as minimal linear B cell epitopes of VMH protein. Although no similarity was found between VMH protein and the consensus motif of ADGLVPR displayed on the clone 2/6, the synthetic peptide ADGLVPR could absorb anti-rVMH-HD antibody and inhibit the antibody binding to rVMH protein in enhanced chemoluminescence Western blotting, whereas irrelevant control peptide did not affect the antibody binding with rVMH. These results revealed that the peptide ADGLVPR was a mimotope of VMH protein. Taken together, three novel B-cell epitopes of VMH protein were identified, which provide a foundation for developing epitope-based vaccine against V. mimicus infection in fish. PMID- 27863547 TI - Identification of histamine receptors in the canine gastrointestinal tract. AB - The important role of histamine in chronic gastrointestinal diseases has been increasingly recognized over the last two decades in human medicine. Histamine is released following mast cell activation and exerts its action through binding to four different histamine receptors (H1, H2, H3, and H4). Histamine receptors are dispersed throughout the body, and each different receptor mediates a unique response. Documentation of the presence and type of histamine receptors in the differing sections of the canine gastrointestinal tract will provide additional research opportunities to further explore the role of histamine and its receptors in chronic canine enteropathies, as well as potential therapeutic options. Full thickness gastric, duodenal, jejunal, ileal, and colonic biopsies were obtained from 6 clinically normal adult dogs immediately after humane euthanasia. Commercially available histamine receptor antibodies predicted to react with canine tissues were applied to paraffin-embedded tissue sections using standard immunohistochemistry techniques to identify different histamine receptors. Staining intensity was graded from negative to strong, and the specificity of each antibody was evaluated with western blot. The presence and distribution of histamine receptors varied by anatomic site and histologic level within sections of the canine gastrointestinal tract. All 4 histamine receptors were readily identified, although the distribution of H4 receptors was decreased in comparison to the other histamine receptors. The distribution of the various histamine receptors was similar to that seen in the normal human gastrointestinal tract. H1 receptors were located in the stomach, lymphoid tissue of the ileum and colon, and the smooth muscle and ganglia of all sections. H2 receptors were located in all sections of the gastrointestinal tract, with greatest staining intensity in the gastric mucosa. H3 receptors were located in the stomach and colonic mucosa, smooth muscle and ganglia of all sections, and ileal and colonic lymphoid tissue. H4 receptors were located in the ganglia and smooth muscle of the gastrointestinal tract, as well as the gastric and colonic mucosal and ileal lymphoid tissue. Western blot demonstrated both specific and non-specific staining with the H1 and H3 receptor antibody, but good specificity with the H4 receptor antibody. The H2 receptor antibody was not compatible with western blot techniques, despite excellent immunohistochemical specificity and consistency. Further studies to compare the density and distribution of the various histamine receptors in dogs with gastrointestinal disease are warranted. PMID- 27863548 TI - Impact of in vitro treatments of physiological levels of estradiol and progesterone observed in pregnancy on bovine monocyte-derived dendritic cell differentiation and maturation. AB - The specific factors which regulate differentiation and maturation of dendritic cells in bovine pregnancy remain unclear. We evaluated the influence of physiologically relevant in vitro treatments of progesterone (PG) and estradiol (E2) observed in late pregnancy on the differentiation and maturation of CD14+ monocyte-derived dendritic cell (moDC) from non-pregnant, lactating dairy cows (n=7). We found that moDC differentiated in the presence of both E2 and PG had impaired E. coli-induced phenotypic maturation, specifically a significant reduction in CD80 and MHC II expression. Contrary to our previous work characterizing moDC from late gestating dairy cattle, we did not observe an increase in CD14 expression relative to the untreated control; this increase was only observed in the current data in the dexamethasone-treated moDC. The moDC treated with a combination of both E2 and PG had significantly greater upregulation of anti-inflammatory cytokine IL-10 relative to the untreated control, but TNFalpha production was not suppressed; only dexamethasone-treated moDC showed abrogated TNFalpha production. These data suggest moDC may be regulated by E2 and PG to hinder phenotypic maturation and regulate inflammatory responses. Pregnancy-associated hormone profiles appear to be involved in the generation of maternal immune tolerance in pregnancy. These hormone-facilitated changes to moDC in pregnancy may also impede optimal immune responses to both invading pathogens and routine vaccinations administered in late gestation through limited antigen presentation and increased anti-inflammatory cytokine production. These results provide insight into maternal immune modulation and elucidate potential immune changes necessary to facilitate bovine pregnancy. PMID- 27863549 TI - Cytokine and chemokine profiles of aqueous humor and serum in horses with uveitis measured using multiplex bead immunoassay analysis. AB - OBJECTIVE: To determine whether horses with clinically diagnosed Equine Recurrent Uveitis (ERU) and those with Leptospirosis infection have a specific cytokine profile in their aqueous humor (AH) and serum that differs from horses with uveitis secondary to other ocular inflammatory processes and from horses with normal eyes. ANIMALS STUDIED: Twenty-five client-owned horses with uveitis that were presented to the North Carolina State University Ophthalmology Service, and four University-owned horses without history or clinical signs of ocular disease. PROCEDURE: Samples of AH and serum were obtained from horses with ERU (n=13), acute or non-recurrent uveitis (UV; n=7), uveitis secondary to infectious keratitis (IK; n=5), and normal eyes (N; n=4). Cytokine levels in AH and serum were quantified using a multiplex bead immunoassay. Leptospiral antibody titers in serum and AH and PCR for Leptospiral DNA in AH were performed. RESULTS: In the AH of horses with ERU, increased levels of IL-1a, IL-4, IL-6, IL-8, IL-12p70, FGF 2, G-CSF, and RANTES were measured compared to UV, IK and N eyes, but the differences were not significant. However, IL-10 was significantly higher in ERU eyes compared to IK and N (P=0.029; 0.013), and IP-10 in ERU eyes was significantly higher than in UV and N (P=0.004). Furthermore, MCP-1 was significantly higher in ERU than N (P=0.04). In the serum, increased levels of IL 1a, IL-4, IL-6, IL-8, IL-12p70, fractalkine, and G-CSF were measured in horses with ERU, but the levels were not significantly higher than those observed in UV, IK, or N horses. However, serum IP-10 levels in horses with ERU were significantly higher than in UV and N horses (P=0.005) and MCP-1 levels were significantly higher in ERU than N (P=0.03). Horses with marked ocular inflammation had significantly higher serum levels of G-CSF, IL-1a, fractalkine, IL-13, IL-4, IL-17a, IL-12p70, IFN-gamma, and MCP-1. Elevated IL-10 in AH was significantly associated with disease chronicity, both overall and in ERU eyes (P=0.049), and in horses with positive ocular leptospiral titers or leptospiral PCR, significant elevations of IL-10 (P=0.0018; 0.0032) and IP-10 (P=0.0342; 0.043) were detected in the AH compared to leptospiral negative eyes. CONCLUSIONS: The anti-inflammatory cytokine IL-10 and the pro-inflammatory cytokine IP-10 appear to play an important role in ERU. Further studies are needed to further clarify and characterize cytokine profiles of specific ocular inflammatory diseases, but multiplex bead immunoassay technology shows promise as a diagnostically valuable tool. PMID- 27863550 TI - CC chemokine ligand 2 and CXC chemokine ligand 8 as neutrophil chemoattractant factors in canine idiopathic polyarthritis. AB - Canine idiopathic polyarthritis (IPA) is characterized by increased numbers of polymorphonuclear leukocytes (PMNs) in the synovial fluid (SF). In humans, CC chemokine ligand 2 (CCL2) and CXC chemokine ligand 8 (CXCL8) recruit monocytes and neutrophils, respectively, and are involved in various inflammatory disorders. The aim of this study was to assess the roles of these chemokines in driving PMNs infiltration into the joints of dogs with IPA. SF samples were collected from dogs with IPA (n=19) and healthy controls (n=8), and the concentrations of SF CCL2 and CXCL8 were determined by ELISA. Dogs with IPA had significantly higher concentrations of CCL2 (3316+/-2452pg/ml, mean+/-SD) and CXCL8 (3668+/-3879pg/ml) compared with the healthy controls (235+/-45pg/ml and <15.6pg/ml, respectively). Then, an in vitro chemotaxis assay was performed using a modified Boyden chamber (pore size: 3MUm). SF from IPA dogs had a chemoattractant activity for PMNs that purified from the peripheral blood of a healthy dog. We subsequently found that combination treatment with MK-0812 (an antagonist of CCL2 receptor) and repertaxin (an antagonist of CXCL8 receptors) significantly inhibited the migration of PMNs to SF from IPA dogs. Thus, expression of the CCL2 receptor (chemokine (CC motif) receptor 2 (CCR2)) was examined using polymerase chain reaction and immunocytochemistry. Canine peripheral blood PMNs exhibited significantly higher CCR2 mRNA expression levels than those in monocytes. In addition, we observed strong CCR2 expression on PMNs obtained from healthy controls and IPA dogs, although mononuclear cells did not express CCR2. Taken together, the data suggest that CCL2 acts as a canine PMNs chemotactic factor as well as CXCL8 and both CCL2 and CXCL8 facilitate the infiltration of PMNs into the joints of dogs with IPA. PMID- 27863552 TI - Generation of potent porcine monocyte-derived dendritic cells (MoDCs) by modified culture protocol. AB - In vitro derivation of dendritic cells (DCs) is an alternative approach to overcome the low frequency of primary DCs and the difficulty of isolation techniques for studying DC immunobiology. To date, the conventional culture protocol of porcine monocyte-derived DCs (MoDCs) has been widely used. However, this protocol is not practical due to the requirement of a substantial number of blood monocytes, and the process often interferes with DC maturation. To improve in vitro porcine MoDC generation, we modified the previous conventional DC generation protocol, based on the human and mouse primary DC culture system, and compared phenotypic and functional features of MoDCs derived from the modified protocol to the conventional protocol. The modified protocol consumed fewer monocytes but generated higher CD1+ cells with DC-like morphology and the ability of maturation. In addition, MoDCs from the modified protocol exhibited increased antigen uptake and IFN-gamma production in response to LPS stimulation. Our findings indicate that the modified protocol is expedient and reliable for generating potent MoDCs that substitute for primary DCs. This will be a valuable platform for future research in antigen delivery, vaccines and immunotherapy in pigs, as well as relevant veterinary species. PMID- 27863551 TI - In vitro cow uterine response to Escherichia coli, leukotrienes and cytokines. AB - The aim was to determine the dynamic profile of interactions between Escherichia coli (E. coli) and the actions of leukotrienes (LTs) and TNF and INFgamma (cytokines) in the uterus in vitro. Uterine explants (N=6) were incubated for 2, 12 and 24h either as E. coli-treated (106CFU) or non-treated and/or with: LTB4 and C4 (10-6M, for both LTs), LTs receptors antagonists (aLTR; 10-6M) and/or cytokines (each 10ng/ml). Toll Like Receptor 4 (TLR4) mRNA expression increased in explants incubated with E. coli, cytokines and LTs after 2 and 12h and aLTR inhibited the effect of LTs in explants incubated with E. coli (P<0.05). IL-6 mRNA expression was up-regulated in E.coli-treated explants with cytokines after 2h and cytokines with LTs after 12h (P<0.05). E. coli increased prostaglandin (PG)E2 output after all examined time points, and PGF2alpha and IL-6 levels in E.coli-treated explants after 12 and 24h with cytokines, with LTs (P<0.05). aLTR inhibited LT stimulating action on PGs and IL-6 output in explants incubated with E. coli after 12 and 24h (P<0.05). LTs modify and enhance experimentally induced infection: TLR4 and IL-6 mRNA expression, IL-6 and PGs secretion, and cytokines participate in this process. PMID- 27863553 TI - A comparison of serum and plasma cytokine values using a multiplexed assay in cats. AB - BACKGROUND: Degenerative joint disease (DJD) is highly prevalent in cats, and pain contributes to morbidity. In humans, alterations of cytokine concentrations have been associated with joint deterioration and pain. Similar changes have not been investigated in cats. Cytokine concentrations can be measured using multiplex technology with small samples of serum or plasma, however, serum and plasma are not interchangeable for most bioassays. Correlations for cytokine concentrations between serum and plasma have not been evaluated in cats. OBJECTIVE: To evaluate the levels of detection and agreement between serum and plasma samples in cats. ANIMALS: Paired serum and plasma samples obtained from 38 cats. METHODS: Blood was collected into anti-coagulant free and EDTA Vacutainer(r) tubes, serum or plasma extracted, and samples frozen at -80 degrees C until testing. Duplicate samples were tested using a 19-plex feline cytokine/chemokine magnetic bead panel. RESULTS: Agreement between serum and plasma for many analytes was high, however correlation coefficients ranged from 0.01 to 0.97. Results from >50% of samples were below the lower limit of quantification for both serum and plasma for nine analytes, and for an additional three analytes for plasma only. CONCLUSIONS AND CLINICAL IMPORTANCE: While serum and plasma agreement was generally good, detection was improved using serum samples. PMID- 27863554 TI - Acute phase protein haptoglobin as inflammatory marker in serum and synovial fluid in an equine model of arthritis. AB - Acute phase proteins are useful inflammatory markers in horses. Haptoglobin (Hp) serum level is increased in horses undergoing different inflammatory processes, including arthritis. However, Hp concentration has not been assessed in inflammatory synovial fluid (SF). The aim of the present study was to investigate the Hp response in serum and SF in horses undergoing experimentally induced arthritis. For this purpose, serum and SF samples were collected from 12 animals before amphotericin B-induced arthritis was created (T0, healthy) and 15days after the lesion induction (T1, joint inflammation) and Hp was determined by single radial immunodiffusion. The Hp increase between T0 and T1 was significant in both serum and SF, and serum Hp concentration at T0 was significantly higher than in SF, but significant differences were not found at T1, indicating a higher Hp increase in SF. A significant positive correlation for Hp concentration between serum and SF samples was found. These results highlight the potential usefulness of Hp as inflammatory marker in horses, showing for the first time the increase of Hp in SF from joint inflammation in the horse. PMID- 27863556 TI - Oral vaccination of cattle with heat inactivated Mycobacterium bovis does not compromise bovine TB diagnostic tests. AB - In this study we investigated whether oral uptake of a heat inactivated M. bovis wildlife vaccine by domestic cattle induced systemic immune responses that compromised the use of tuberculin or defined antigens in diagnostic tests for bovine TB. Positive skin test and blood-based IFN-gamma release assay (IGRA) results were observed in all calves vaccinated via the parenteral route (i.e. intramuscular). In contrast, no positive responses to tuberculin or defined antigens were observed in either the skin test or IGRA test when performed in calves vaccinated via the oral route. In conclusion, our results suggest that the heat inactivated M. bovis vaccine could be used to vaccinate wildlife in a baited form in conjunction with the following in cattle: (i) continuation of existing tuberculin skin testing or novel skin test formats based on defined antigens; and (ii) the use of IGRA tests utilizing tuberculin or defined antigens. PMID- 27863555 TI - Test performance of three serological assays for the detection of Mycobacterium bovis infection in common warthogs (Phacochoerus africanus). AB - Sporadic cases of bovine tuberculosis (bTB) have been reported in warthogs in Southern Africa and confirmed through mycobacterial culture. However, there are no validated ante-mortem tests currently available for bTB in warthogs. In this study, we evaluated the use of three serological assays for the detection of Mycobacterium bovis infection in warthogs; an indirect enzyme-linked immunosorbent assay (ELISA) using bovine purified protein derivative (PPDb) as a capture antigen (indirect PPD ELISA), as well as two commercial assays, the TB ELISA-VK(r) and DPP(r) VetTB Assay. Test performance of these assays was compared using sera from 35 warthogs of known Mycobacterium bovis infection status. All three assays were able to distinguish M. bovis-infected from uninfected individuals with high sensitivity (Se) and specificity (Sp) (indirect PPD ELISA Se: 88%, Sp: 89%; TB ELISA-VK(r) 88%, 79%; DPP(r) VetTB Assay 75%, 89%, respectively). The assays performed very similarly and the ELISA assays showed the greatest agreement (kappa=0.89). These results indicate that M. bovis infected warthogs develop measurable pathogen-specific humoral responses which can be used to distinguish them from uninfected animals. Therefore, serological assays have value as ante-mortem bTB diagnostic tests in warthogs. PMID- 27863557 TI - In vitro assessment of the effects of temperature on phagocytosis, reactive oxygen species production and apoptosis in bovine polymorphonuclear cells. AB - Heat stress exerts a direct negative effect on farm animal health, triggering physiological responses. Environmental high temperature induces immunosuppression in dairy cows, increasing the risk of mastitis and milk somatic cell counts. The influence of heat stress on leukocytes activities has not been fully elucidated. The present in vitro study was aimed at assessing whether the exposure to temperature simulating conditions of severe whole body hyperthermia affects defensive functions of bovine blood polymorphonuclear cells. Blood was collected from seven clinically healthy, multiparous, late lactating Holstein cows. After isolation, PMN were incubated at either 39 or 41 degrees C. Phagocytosis, respiratory burst and apoptosis were then investigated. The selected temperatures of 39 degrees C or 41 degrees C mimicked conditions of normothermia or severe heat stress, respectively. Phagocytosis assay was carried out by measuring the fluorescence of phagocyted fluorescein-labelled E. coli bioparticles. The modulation of oxidative burst activity was studied by the cytochrome C reduction method. Apoptosis was determined by measuring the activities of two enzymes that play an effector role in the process, namely Caspase-3 and Caspase-7. Statistical analyses were performed using SPSS 22.0. A Student t-test for paired samples and a Generalised Estimating Equation were used based on data distribution. The phagocytosis rate was reduced (-37%, P<0.01) when PMN were incubated for 2h at 41 degrees C, when compared to phagocytosis rate measured at 39 degrees C. The oxidative burst, as determined by extracellular production of reactive oxygen species (ROS), was also reduced by the exposure of cells to 41 degrees C compared to 39 degrees C. Such reduction ranged between -2 and -21% (P<0.05). Apoptosis rate was not affected by different temperatures. The results reported in this study suggest that phagocytosis and ROS production in PMN exposed to severe high temperature are impaired, partially explaining the higher occurrence of infections during periods of hot weather. PMID- 27863558 TI - Development of an autologous canine cancer vaccine system for resectable malignant tumors in dogs. AB - While conventional therapies exist for canine cancer, immunotherapies need to be further explored and applied to the canine setting. We have developed an autologous cancer vaccine (K9-ACV), which is available for all dogs with resectable disease. K9-ACV was evaluated for safety and immunogenicity for a variety of cancer types in a cohort of companion dogs under veterinary care. The autologous vaccine was prepared by enzymatic digestion of solid tumor biopsies. The resultant single cell suspensions were then UV-irradiated resulting in immunogenic cell death of the tumor cells. Following sterility and endotoxin testing, the tumor cells were admixed with CpG ODN adjuvant and shipped to the participating veterinary clinics. The treating veterinarians then vaccinated each patient with three intradermal injections (10 million cells per dose) at 30-day intervals (one prime and two boost injections). In a cohort of 20 dogs completing the study, 17 dogs (85%) developed an augmented IgG response to autologous tumor antigens as demonstrated using western blot analysis of pre- and post-peripheral blood samples. We also report several dogs have lived beyond expected survival time based on previously published data. In summary, K9-ACV is an additional option to be considered for the treatment of dogs with resectable cancer. PMID- 27863559 TI - Erratum to "Introduction" [Seminars in Diagnostic Pathology 33(5) (2016) 243]. PMID- 27863560 TI - Signaling in the hypothalamus: New concepts. PMID- 27863561 TI - Precision Medicine and PET/Computed Tomography: Challenges and Implementation. AB - Precision Medicine is about selecting the right therapy for the right patient, at the right time, specific to the molecular targets expressed by disease or tumors, in the context of patient's environment and lifestyle. Some of the challenges for delivery of precision medicine in oncology include biomarkers for patient selection for enrichment-precision diagnostics, mapping out tumor heterogeneity that contributes to therapy failures, and early therapy assessment to identify resistance to therapies. PET/computed tomography offers solutions in these important areas of challenges and facilitates implementation of precision medicine. PMID- 27863562 TI - Molecular Imaging and Precision Medicine: PET/Computed Tomography and Therapy Response Assessment in Oncology. AB - A variety of methods have been developed to assess tumor response to therapy. Standardized qualitative criteria based on 18F-fluoro-deoxyglucose PET/computed tomography have been proposed to evaluate the treatment effectiveness in specific cancers and these allow more accurate therapy response assessment and survival prognostication. Multiple studies have addressed the utility of the volumetric PET biomarkers as prognostic indicators but there is no consensus about the preferred segmentation methodology for these metrics. Heterogeneous intratumoral uptake was proposed as a novel PET metric for therapy response assessment. PET imaging techniques will be used to study the biological behavior of cancers during therapy. PMID- 27863563 TI - Molecular Imaging and Precision Medicine in Dementia and Movement Disorders. AB - Precision medicine (PM) has been defined as "prevention and treatment strategies that take individual variability into account." Molecular imaging (MI) is an ideally suited tool for PM approaches to neurodegenerative dementia and movement disorders (MD). Here we review PM approaches and discuss how they may be applied to other associated neurodegenerative dementia and MD. With ongoing major therapeutic research initiatives that include the use of molecular imaging, we look forward to established interventions targeted to specific molecular pathophysiology and expect the potential benefit of MI PM approaches in neurodegenerative dementia and MD will only increase. PMID- 27863564 TI - Designing and Developing PET-Based Precision Model in Thyroid Carcinoma: The Potential Avenues for a Personalized Clinical Care. AB - This communication enumerates the current uses and potential areas where PET could be clinically utilized for developing "precision medicine" type model in thyroid carcinoma. (1) In routine clinics, PET imaging (with fluorodeoxyglucose [FDG]) is utilized to investigate patients of differentiated thyroid carcinoma (DTC) with high thyroglobulin and negative iodine scintigraphy (TENIS) and in medullary carcinoma thyroid (MCT) when the tumor markers (eg, calcitonin and carcino embryonic antigen [CEA]) are raised postoperatively (PET with FDG, 68Ga DOTA-NOC/TATE, FDOPA). Both are examples of management personalization, where PET computed tomography (CT) has been found substantially useful in detecting sites of metastatic disease and making decision with regard to feasibility and planning of surgery on an individual patient basis. (2) The next important area of management personalization is in patients of TENIS with metastatic disease not amenable to surgery through examining FDG-PET findings in tandem with radio iodine scan and 68Ga-DOTA-TATE/NOC PET/CT. Heterogeneous behavior of the metastatic lesions is frequently observed clinically: analyzing the findings of three studies aids in sub-segmenting patients into subgroups and thereby deciding upon the best approach (observation with LT4 suppression vs PRRT vs tyrosine kinase inhibitors) that could be individualized in a given case. (3) In metastatic/inoperable MCT, 68Ga-DOTA-TATE/NOC PET-CT helps in deciding upon feasibility of targeted PRRT in an individual patient and helps in follow-up and response evaluation. (4) Disease prognostification with FDG-PET is evolving both in DTC and MCT, where FDG avidity would indicate an aggressive biology, though the implication of this from treatment viewpoint is unclear at this point. Conversely, a negative FDG-PET in DTC and TENIS would suggest a favorable prognosis in an individual. (5) Iodine-124 PET/CT has the added potential of obtaining lesional dosimetry compared to the SPECT approach, and could help in selecting appropriate doses on an individual basis. PMID- 27863565 TI - Molecular Imaging and Precision Medicine in Breast Cancer. AB - Precision medicine, basing treatment approaches on patient traits and specific molecular features of disease processes, has an important role in the management of patients with breast cancer as targeted therapies continue to improve. PET imaging offers noninvasive information that is complementary to traditional tissue biomarkers, including information about tumor burden, tumor metabolism, receptor status, and proliferation. Several PET agents that image breast cancer receptors can visually demonstrate the extent and heterogeneity of receptor positive disease and help predict which tumors are likely to respond to targeted treatments. This review presents applications of PET imaging in the targeted treatment of breast cancer. PMID- 27863566 TI - Molecular Imaging and Precision Medicine in Lung Cancer. AB - Precision medicine allows tailoring of preventive or therapeutic interventions to avoid the expense and toxicity of futile treatment given to those who will not respond. Lung cancer is a heterogeneous disease functionally and morphologically. PET is a sensitive molecular imaging technique with a major role in the precision medicine algorithm of patients with lung cancer. It contributes to the precision medicine of lung neoplasia by interrogating tumor heterogeneity throughout the body. It provides anatomofunctional insight during diagnosis, staging, and restaging of the disease. It is a biomarker of tumoral heterogeneity that helps direct selection of the most appropriate treatment, the prediction of early response to cytotoxic and cytostatic therapies, and is a prognostic biomarker in patients with lung cancer. PMID- 27863567 TI - Advancing Precision Nuclear Medicine and Molecular Imaging for Lymphoma. AB - PET with fluorodeoxyglucose F 18 (18F FDG-PET) is a meaningful biomarker for the detection, targeted biopsy, and treatment of lymphoma. This article reviews the evolution of 18F FDG-PET as a putative biomarker for lymphoma and addresses the current capabilities, challenges, and opportunities to enable precision medicine practices for lymphoma. Precision nuclear medicine is driven by new imaging technologies and methodologies to more accurately detect malignant disease. Although quantitative assessment of response is limited, such technologies will enable a more precise metabolic mapping with much higher definition image detail and thus may make it a robust and valid quantitative response assessment methodology. PMID- 27863568 TI - Molecular Imaging and Precision Medicine in Head and Neck Cancer. AB - The concept of using tumor genomic profiling information has revolutionized personalized cancer treatment. Head and neck (HN) cancer management is being influenced by recent discoveries of activating mutations in epidermal growth factor receptor and related targeted therapies with tyrosine kinase inhibitors, targeted therapies for Kristen Rat Sarcoma, and MET proto-oncogenes. Molecular imaging using PET plays an important role in assessing the biologic behavior of HN cancer with the goal of delivering individualized cancer treatment. This review summarizes recent genomic discoveries in HN cancer and their implications for functional PET imaging in assessing response to targeted therapies, and drug resistance mechanisms. PMID- 27863569 TI - Molecular Imaging and Precision Medicine in Prostate Cancer. AB - The aim of the present review is to discuss about the role of new probes for molecular imaging in the evaluation of prostate cancer (PCa). This review focuses particularly on the role of new promising radiotracers for the molecular imaging with PET/computed tomography in the detection of PCa recurrence. The role of these new imaging techniques to guide lesion-target therapies and the potential application of these molecular probes as theranostics agents is discussed. Finally, the molecular mechanisms underlying resistance to castration in PCa and the maintenance of active androgen receptor are discussed. PMID- 27863570 TI - Radionuclide Therapies in Molecular Imaging and Precision Medicine. AB - This article reviews recent advances and applications of radionuclide therapy. Individualized precision medicine, new treatments, and the evolving role of radionuclide therapy are discussed. PMID- 27863571 TI - Precision Medicine and PET/Computed Tomography: Time Has Arrived. PMID- 27863572 TI - Emergency Preparedness and the Development of Health Care Coalitions: A Dynamic Process. AB - Health care emergency preparedness has undergone significant changes since the first widespread distribution of federal funds occurred in 2002. Prior to the development of the Health Resources and Service Administration Bioterrorism Preparedness grant, support to hospitals and public health was limited to smaller regional preparedness programs such as the Chemical Stockpile Emergency Preparedness Program. Measurable progress with both the hospital preparedness program and public health emergency preparedness requires development of partnerships, establishment of coalitions, development of measurable objectives, and a community willingness to work together to solve complex preparedness problems. PMID- 27863573 TI - National Disaster Health Consortium: Competency-Based Training and a Report on the American Nurses Credentialing Center Disaster Certification Development. AB - As the largest profession of health care providers, nurses are an integral component of disaster response. Having clearly delineated competencies and developing training to acquire those competencies are needed to ensure nurses are ready when disasters occur. This article provides a review of nursing and interprofessional disaster competencies and development of a new interprofessional disaster certification. An overview of a standardized disaster training program, the National Disaster Health Consortium, is provided as an exemplar of a competency-based interprofessional disaster education program. PMID- 27863574 TI - All the Resources was Gone: The Environmental Context of Disaster Nursing. AB - US nurses are not prepared for the altered conditions of the disaster environment, nor has the context of providing disaster nursing care been a focus of disaster research. Using an existential phenomenologic approach, US nurses described the "not normal" conditions of the disaster environment they experienced as physically and emotionally challenging, because of the reduced infrastructural capabilities, unfamiliar patient populations, and reliance on low technology nursing with insufficient staff and supplies. Preparation for the reduced resources of the disaster environment should be integrated into current nursing education, clinical practice, and disaster preparedness policy. PMID- 27863575 TI - Complicated Realities: Mental Health and Moral Incongruence in Disaster/Humanitarian Response. AB - In the course of disaster/humanitarian response, providers are exposed to chaotic environments riddled with morally complex situations. This article disseminates research findings that highlight the impact of moral incongruence on responder mental health within the disaster/humanitarian setting by focusing on the theme "Everything was gray." The information is extracted from a larger, mixed methods study examining numerous variables considered within relevant literature to be influential in the occurrence of psychological distress among disaster/humanitarian responders. PMID- 27863576 TI - Federal Emergency Management Agency Response in Rural Appalachia: A Tale of Miscommunication, Unrealistic Expectations, and "Hurt, Hurt, Hurt". AB - In spring of 2012, rural southeastern Kentucky was impacted by torrential storms and flooding that activated federal disaster response through Federal Emergency Management Agency (FEMA). This qualitative research study examines the experience of community members affected by the Kentucky floods of 2012 (N=9) and describes their interactions with FEMA representatives, in their own voice, thereby giving insight into gaps in rural disaster response. The principal investigator spent 6 weeks living in the community and conducted open-ended interviews. Narratives were transcribed verbatim and analyzed using a phenomenological approach. PMID- 27863577 TI - US Military Nurses: Serving Within the Chaos of Disaster. AB - The purpose of this article is to share US military nurses' experiences of responding to disasters. Using phenomenology, 23 participants serving as US military nurses from different service branches and the US Public Health Service volunteered for a single face-to-face interview. Five polar themes plus one final theme emerged from the narratives. Nurses expressed a sense of loss, reshaping of thoughts regarding disasters, and new appreciation of how people's lives are totally disrupted. Findings showed a need for change in nursing education, practice, training, policy, and recommendations for higher education and how the military may better educate its personnel. PMID- 27863578 TI - Wildfire Disasters and Nursing. AB - Multiple factors contribute to wildfires in California and other regions: drought, winds, climate change, and spreading urbanization. Little has been done to study the multiple roles of nurses related to wildfire disasters. Major nursing organizations support disaster education for nurses. It is essential for nurses to recognize their roles in each phase of the disaster cycle: mitigation, preparedness, response, and recovery. Skills learned in the US federal all hazards approach to disasters can then be adapted to more specific disasters, such as wildfires, and issues affecting health care. Nursing has an important role in each phase of the disaster cycle. PMID- 27863579 TI - Evolution of a Nursing Model for Identifying Client Needs in a Disaster Shelter: A Case Study with the American Red Cross. AB - From the time of Clara Barton, Red Cross nursing has had a key role in the care and support of persons affected by disasters in the United States. Hurricane Katrina and other events brought to light the need for a shelter model that was inclusive of the whole community, including persons with disabilities, at-risk and vulnerable populations, and children. From an intake process to a nursing model for assessment, an evidence-guided process informed a systematic approach for a registered nurse-led model of care. PMID- 27863580 TI - Hospital Decontamination: What Nurses Need to Know. AB - Incidents involving the release of hazardous materials challenge medical providers with safely, quickly, and correctly removing contaminants from the victim. While doing so, the safety of the first receiver, current patients, bystanders, as well as the victim all have to be considered. Key challenges with hospital decontamination include, but are not limited to, selection of team members, training protocols, employee turnover, and funding. Best practices, based on the available literature and evidence, include administration buy-in and support; strong policy and procedure documentation; equipment maintenance programs; and team member recruitment, retention, and education. PMID- 27863581 TI - Radiation, Fear, and Common Sense Adaptations in Patient Care. AB - Lack of understanding about the basic nature of radiation exposure and contamination may lead to unreasonable fear in nursing staff. A brief review of a well-known case shows that in general, both the public and health care providers are radiophobic. Studies have shown that the level of fear correlates inversely with an understanding of radiation. This article explores underlying principles of ionizing radiation and their application in patient management. Reality based, scientifically accurate information along with practical suggestions can free health care providers from unreasonable fear of victims of a radiation accident. PMID- 27863582 TI - Vehicle of Hope: Faith-based Disaster Response. AB - In August 2005, the United States experienced one of the most catastrophic and costly disasters in its history: Hurricane Katrina. Faith-based Organizations (FBOs) made a major contribution to the response and recovery efforts. Whereas the activities and skill sets of FBOs vary, their core missions are very similar: they want to provide hope. As a concept, hope has been purported to be essential for health and well-being, is viewed as multidimensional and a life force, as well as is highly individualized. This mixed methods study used interviews of the phenomenology tradition and the Herth Hope Index. PMID- 27863583 TI - Disaster Planning, Preparedness, Mitigation, Response, and Recovery: A Call for All Nurses to Action. PMID- 27863584 TI - Implications of Disaster Preparedness for Nursing. PMID- 27863585 TI - Transcending Our Boundaries. PMID- 27863586 TI - Jo Eland May Be Gone, but Her Legacy Remains. PMID- 27863587 TI - Corrigendum to "Maintaining canine sperm function and osmolyte content with multistep freezing protocol and different cryoprotective agents" [Cryobiol. 71 (2015) 344-349]. PMID- 27863588 TI - From the Editor's Perspective.... PMID- 27863589 TI - Limb loss: The unspoken psychological aspect. AB - In the United States, health care providers have diagnosed 29.1 million people with diabetes. Uncontrolled diabetes is the main reason for limb loss. This review addresses the lack of psychological support after limb loss. Few scholarly sources analyze the psychological aspects of limb loss before and after amputation. These sources report that patients do not have a clear understanding of their disease process and that patients often report a lack of empathy and communication from health care providers. There is no standardization of postoperative care instructions causing great confusion and increasing anxiety for both the patient and the caregivers. Individuals with limb amputation express increased depression and body image disturbance along with social embarrassment after amputation. Postoperatively, patients report a decrease in resources once discharged home. Some studies suggest psychiatric consultation preamputation and postamputation. The literature also suggests increased communication between the patient undergoing amputation and their health care provider preoperatively and postoperatively. PMID- 27863590 TI - Quality of life of people with chronic ulcers. AB - INTRODUCTION: Patients with chronic ulcers have physical, social, and psychological changes that directly affect their quality of life. OBJECTIVES: To evaluate the quality of life and analyze the association between personal and health characteristics in patient quality of life for those with chronic ulcers. METHOD: A cross-sectional study, nonprobabilistic. The questionnaire to evaluate personal and health characteristics and the Ferrans and Power Quality of Life Index-Wound Version were used for the data collection. The sample consisted of 200 patients with chronic ulcers of several etiologies (venous ulcers, pressure ulcers, diabetic ulcers, and mixed) recruited at the basic health units in two cities in the South of Minas Gerais, Brazil. RESULTS: Overall, the study found that their quality of life was rated as good. There was a positive correlation between the different ages (P = 0.0165), number of children (P = 0.0083), and practice of religion (P = 0.0394) with quality of life. PMID- 27863591 TI - Identifying beliefs about smoking in patients with peripheral vascular disease. AB - Peripheral vascular disease (PVD) is a chronic disabling illness that frequently results in the occlusion of arteries in lower limbs and may cause ischemia, gangrene, or infection. The single most significant factor contributing to both the onset and progression of PVD is smoking, which has addictive properties. Once smoking becomes a habitual behavior, combined with the atherosclerotic process, a disastrous pathway ensues. The aim of this project was to gain an understanding of the beliefs of patients with PVD who smoked. A nonexperimental, descriptive design was used. Data were obtained from a sample of participants with a known history of PVD who have had a previous vascular intervention and who are established patients in a vascular surgeon's private office N = 50. The majority of participants were male (n = 31; 63%) 65-74 years of age (n = 18; 36%), were unemployed (n = 30; 60%), and have smoked for greater than 51+ years (n = 13; 26%). A scale that was developed guided by the behavioral beliefs subscale revealed that PVD patients enjoyed smoking, smoking helped them to relax, and they believed that they were addicted to smoking. Results from the normative beliefs subscale indicated that the spouse or significant other, children or those whom they lived with, did not approve of their smoking and also that their healthcare provider had discussed smoking cessation with them. The control beliefs subscale results demonstrated that most patients had attempted to quit smoking and believed that it would be a difficult behavior to stop and they would require the assistance of a patch or medication and feared the withdrawal symptoms. In conclusion, exploring the beliefs and thought process of patients who smoked provided a rich body of knowledge which can afford the healthcare professional with the ability to better understand the smoking experience as seen through the patients' eyes. PMID- 27863592 TI - Nursing interventions in stroke care delivery: An evidence-based clinical review. AB - INTRODUCTION: Generally, nursing interventions during the acute stages following a stroke aim at preventing secondary brain injury (intracranial hypertension), maintaining the airways (due to paralysis of the pharynx muscles), providing general body support (vital signs, fluid and electrolyte balance), and anticipating the occurrence of complications (atelectasis and pneumonia). AIM: This literature review is to prioritize nursing interventions for acute stroke and to update nursing roles and input considering recommended levels of evidence of care to date. METHOD AND MATERIALS: A systematic review was undertaken, and databases searched were Electronic Library Information Navigator (ELIN), Medline and the Cumulative Index to Nursing and Allied Health Literature from 1990 to 2015, using the OVID interface. RESULTS: The search originally yielded 400 articles of which 65 were selected for analysis and 12 of these included evidence synthesis (class I-IV, level A-Good Clinical Practice [GCP]). To facilitate early patient recovery, advanced nursing care should include the routine practice of a wide range of specific nursing interventions such as continence management, pressure area care, swallowing management, and early mobilization. Other important nursing interventions include the prevention of pulmonary thromboembolism and early antiplatelet therapy. CONCLUSIONS: For over 20 years, it has been established that specialized stroke care save lives, reduce disability, shorten length of stay, and generally have been associated with improved patient outcomes. Highly specialized nursing input is of paramount importance in achieving optimum patient outcomes and high quality of interdisciplinary care, providing a comprehensive, interactive, and holistic approach for both acute stroke and rehabilitation. PMID- 27863593 TI - Quality of life in elder adults one-year after coronary bypass. AB - BACKGROUND: Survival rates in the elderly after cardiac surgery have improved over the last decades and therewith more attention is directed toward Quality of Life (QoL) as a patient reported outcome measure. OBJECTIVE: The purpose of this study was to explore QoL in patients one year after coronary artery bypass grafting, with special interest in the elderly patients (>=80 years). METHODS: In a quantitative, retrospective single-center study patients with isolated coronary artery bypass grafting (eg, nonvalve) surgery aged 80 years or older and operated in 2013 were included (n = 32). A control group of patients aged younger than 80 years was selected by matching based on gender and a recalculated (for age) logistic European System for Cardiac Operative Risk Evaluation (log EuroSCORE I) during the same period (n = 48). QoL assessment by the EuroQol questionnaire (EQ 5D) and additional questions were performed at one-year follow-up. RESULTS: QoL in elderly patients was 0.79 versus 0.90 in younger patients (P = 0.013). Overall, 54.8% of the elderly experience some or extreme problems in mobility versus 18.8% in the younger group (P = 0.001). Elderly patients also experience more problems in self care (19.3 vs 4.2%, P = 0.029). Nine of the elderly (29%) valued their postoperative health status to be worse than preoperatively versus 5 (10%) in the younger group (P = 0.028). Only patients aged 80 years or older would choose not to have surgery again (12.9%). Hospital mortality was 3.1% in the elderly group (n = 32) and 0% in the younger group (n = 48). CONCLUSION: Not all elderly patients experience benefits in terms of QoL one year after cardiac surgery. Therefore, potential benefits and risks need to be considered and discussed by physicians and patients before making the decision to operate or not. PMID- 27863594 TI - Research article review: Clinical comparison of automatic, noninvasive measurements of blood pressure in the forearm and upper arm. PMID- 27863595 TI - Utility of the hand-held continuous wave Doppler in the vascular examination: A review. PMID- 27863596 TI - Dermal Drug Delivery by Nanocarriers. PMID- 27863597 TI - Erratum. PMID- 27863598 TI - The effects of a simulated laughter programme on mood, cortisol levels, and health-related quality of life among haemodialysis patients. AB - OBJECTIVE: This study aimed to evaluate the effects of a simulated laughter programme on mood, cortisol levels, and health-related quality of life among haemodialysis patients. METHODS: Forty participants were randomly assigned to a laughter group (n = 20) or a control group (n = 20). Eleven participants completed the laughter programme after haemodialysis sessions and 18 control participants remained. The 4-week simulated laughter programme included weekly 60 min group sessions of simulated laughter, breathing, stretching exercises, and meditation, as well as daily 15 s individual laughter sessions administered via telephone. Mood, cortisol levels, and health-related quality of life were analysed using the rank analysis of covariance, and Wilcoxon's signed rank test. RESULTS: The laughter group exhibited improvements in mood, symptoms, social interaction quality, and role limitations due to physical health. CONCLUSION: The simulated laughter programme may help improve mood and health-related quality of life among haemodialysis patients. PMID- 27863599 TI - Comparison between the effects of muscle relaxation and support groups on the anxiety of nursing students: A randomized controlled trial. AB - OBJECTIVE: To compare the effects of the two methods of muscle relaxation and support group on the anxiety levels of the nursing students. METHODS: In this randomized controlled trial, 150 nursing students who met the inclusion criteria were divided into three equal groups-muscle relaxation, support group, and control-using the permuted-block randomization method. The experimental groups received 5 sessions of intervention, while the control group did not receive any intervention at all. Using Spielberger's inventory, the researchers measured the anxiety levels of all three groups before and after the intervention. RESULTS: The results showed that both methods had a significant impact on anxiety levels of the nursing students; however, a comparison between their effects revealed that muscle relaxation had been more effective than support group. CONCLUSIONS: Considering the seriousness of the issue of anxiety for nursing students, it is important that measures be taken to reduce anxiety in this group. PMID- 27863600 TI - Herbal medicine for low sexual desire in menopausal women: A clinical review. AB - Many women typically experience a significant reduction in sexual desire during the late perimenopausal and early postmenopausal stages, with the biggest decline in sexual desire occurring from three years prior to two years after the final menstrual period. Despite being a prevalent female complaint, currently no standard treatment for low sexual desire exists. Herbal medicines have been used therapeutically all around the world, and are an important component of Traditional and Complementary Medicine. There have been numerous trials and pharmacological studies of specific herbal preparations related to the treatment of low sexual desire. This article serves to provide a clinical review of the evidence relating to the herbal treatment options for this common condition. PMID- 27863601 TI - Clinical efficacy of turmeric use in gingivitis: A comprehensive review. AB - INTRODUCTION: Gingivitis affects an estimated 80% of the population, and is characterized as the world's most predominant inflammatory periodontal disease. Without intervention, gingivitis can advance to alveolar bone loss. Therefore, the primary goal in patients suffering with gingivitis is to control plaque buildup and soft tissue inflammation. Current guidelines consider chlorhexidine as the gold standard in the prevention and treatment of gingivitis. However, negative side effects of chlorhexidine, including oral mucosal erosion, discoloration of teeth, and bitter taste, provide an opportunity for alternative medications. Turmeric, a commonly used herb, possesses anti-inflammatory, antioxidant, antibacterial, antiviral, and antifungal properties. By virtue of these properties, multiple controlled trials have been performed to investigate the efficacy of turmeric in gingivitis. OBJECTIVES: The aim of this comprehensive review is to summarize and evaluate the evidence on the efficacy of turmeric as compared to chlorhexidine in the prevention and treatment of gingivitis. RESULTS: PubMed, MedLine (Web of Science), and EBSCO (academic search complete) were utilized as primary literature search tools. The following search strategy was used: ((turmeric OR curcumin OR curcuma) AND (gingivitis OR "gum inflammation")). Five reviewed studies show that both turmeric and chlorhexidine significantly decrease plaque index (PI) and gingival index (GI), and can therefore be used in the prevention and treatment of gingivitis. CONCLUSIONS: Both chlorhexidine and turmeric can be used as an adjunct to mechanical means in preventing and treating gingivitis. However, trials longer than 21 days with a greater number of patients are necessary to further evaluate the comparison between turmeric and chlorhexidine. PMID- 27863602 TI - Effect of Fordyce Happiness Model on depression, stress, anxiety, and fatigue in patients with multiple sclerosis. AB - PURPOSE: This study was conducted to investigate the effect of Fordyce Happiness Model (FHM) on depression, stress, anxiety, and fatigue in MS patients. METHODS: In this clinical trial, 140 MS patients assigned to experimental and control groups. Depression, anxiety, stress, and fatigue were measured by Depression Anxiety Stress Scale-21 and Piper Standard Scale before and immediately and three months after the implementation of FHM. The data were analyzed by SPSS 18. RESULTS: Independent t-test indicated that total scores of stress, depression, and fatigue of the two groups were not significantly different before the intervention but were significantly different after the intervention (P?0.05). Moreover, anxiety scores of the two were not significantly different after the intervention (P?0.05). CONCLUSION: FHM can assist MS patients to manage their disease and associated problems in life. Besides that, since FHM is efficient and costless, it can be incorporated into the health interventions for MS patients. PMID- 27863603 TI - Effect of 'Exercise Without Movement' yoga method on mindfulness, anxiety and depression. AB - OBJECTIVE: To analyze the effect of the 'Exercise Without Movement' (E.W.M) yoga method on mindfulness and on the improvement of anxiety and depression symptoms. METHODS: A quasi-experimental study examined the effect of one month E.W.M. intervention among 38 participants who were enrolled voluntarily to both groups, study (n = 16) and control (n = 22). Five participants dropped out during the study. The State Mindfulness Scale (SMS) was used to measure mindfulness. The Anxiety Inventory Beck (BAI) and the Beck Depression Inventory (BDI-II) were used to measure the anxiety and depression symptoms, respectively, before and after the intervention. RESULTS: Study group showed both a statistically significant increase in mindfulness and decrease in anxiety and depression symptoms, compared with the control group. CONCLUSIONS: The E.W.M. has been useful in the development of mindfulness and in the treatment of anxiety and depression symptoms and may represent a new method in the mindfulness-based therapeutic application. PMID- 27863604 TI - Bowenwork for symptom management of women breast cancer survivors with lymphedema: A pilot study. AB - PURPOSE: The objectives of this pilot study for women breast cancer survivors with lymphedema was 1) to evaluate recruitment rates, retention rates, adherence to Bowenwork (a noninvasive complementary therapy involving gentle muscle movements), home exercises, safety and comfort; 2) determine the effect of Bowenwork on quality of life (QOL), functional status, perceived pain, range of motion (ROM), arm/ankle circumference (to assess for localized and systemic changes). METHODS: Participants received 4 Bowenwork sessions with home exercises. Initial and post assessments included QOL, functional status, and pain. ROM, arm/ankle circumference and pain measures were recorded before each session. RESULTS: Twenty-one women enrolled in the study; 95% completion; adherence 100%; home exercises 95%; no adverse events. The intervention improved mental health (SF-36-MCS); breast cancer-related functional (FACT-B); increased ROM; reduced arm circumferences. P value set at <0.05. CONCLUSIONS: The Bowenwork intervention was safe and acceptable for women breast cancer survivors with lymphedema. PMID- 27863605 TI - Perceptions of a hospital-based animal assisted intervention program: An exploratory study. AB - Research has shown that there are multiple benefits of animal assisted interventions for patients. However, the impact of interaction with these animals in staff is understudied, particularly in the acute care setting, and is thus a novel contribution to the literature on human-animal interaction. The purpose of this qualitative pilot study was to contribute to the body of knowledge surrounding the experiences and perceptions of hospital staff who have participated in a hospital-based animal assisted intervention program. Nine face to-face semi-structured interviews were conducted (4 staff nurses, 3 support staff members, and 2 hospital volunteers). Five themes emerged from the respondent interviews: (1) descriptions of the therapy dogs; (2) contacts with the dogs at work; (3) connection with the dogs outside of work; (4) benefits; (5) drawbacks. Our findings reflect abundantly positive hospital staff experiences. PMID- 27863606 TI - Use of complementary and alternative medicine in pregnancy and its impact on obstetric outcome. AB - OBJECTIVE: To evaluate the prevalence of use of complementary and alternative medicine (CAM) in a Malaysian antenatal population and its impact on obstetric outcome. DESIGN: Cross sectional study. SETTING: Obstetric Unit, Hospital Sultanah Bahiyah, Alor Setar, Kedah. MATERIAL AND METHOD: Women attending antenatal clinic and Patient Admission Centre (PAC) above 30 weeks gestation were given structured questionnaires to fill. Pregnancy outcome measures were documented and analyzed in relation to the information gathered through the questionnaire. SPSS Version 21 was used to analyze all data obtained. RESULTS: Out of 447 women, the overall prevalence of CAM usage in pregnancy was 85.2%. It was popular among pregnant mothers aged between 26 and 35 years old and most commonly used in the third trimester (p = 0.0.010) to facilitate labour. Other sociodemographic factors such as race, parity, education, occupation and residence were not significantly important. Traditional herbs was the commonest type of CAM used in pregnancy (58.3%) followed by selusuh (24.3%). About 78.5% of the CAM users delivered vaginally (p = 0.020) but a significant proportion (14.3%) had fetal distress (p = 0.035) compared to non CAM users. The most common type of herbs used was akar kayu bunga Fatimah (37.7%) and gamat (13.4%). In our study, usage of selusuh product and akar kayu bunga Fatimah had a significant impact in achieving vaginal delivery and shortened the duration of labour particularly in multiparae. The usage of Kacip Fatimah and Salindah was associated with preterm labour (p = 0.04)Tongkat Ali herbal coffee had a significant association with hypertensive disorders in pregnancy (p = 0.011) and fetal distress (p = 0.04) Meanwhile, the usage of Jamu Mustika Ratu was significantly associated with low birth weight in grandmultiparae (p = 0.026)and spirulina was significantly associated with oligohydramnios (p = 0.04). CONCLUSION: Usage of CAM in pregnancy in the Malaysian population is of high prevalence CAM in pregnancy has beneficial and adverse obstetric outcomes. More research is needed to establish the safety of usage of various forms of CAM in pregnancy. PMID- 27863607 TI - "Awareness is the first step": An interprofessional course on mindfulness & mindful-movement for healthcare professionals and students. AB - High levels of stress and related burnout in healthcare professionals (HCPs) are prevalent and costly conditions. Mindfulness training has received recent attention as a possible prevention/intervention strategy to enhance resilience to stress and reduce risk of burnout in HCPs. The purpose of this mixed-methods pilot study was to evaluate the preliminary feasibility, acceptability, and preliminary effects of an 8-week mindfulness curriculum for interprofessional HCPs and trainees (n = 27). Qualitative findings supported feasibility and acceptability of the course for a wide variety of HCP disciplines, including nursing, dentistry, medicine, pharmacy, social work, mental health, and clinical research. Despite being limited by a small sample size, there were statistically significant reductions in perceived stress, anxiety, and specific aspects of burnout from pre-to post-intervention and there was a trend in an enhanced sense of personal accomplishment over time. PMID- 27863608 TI - Is energy healing an effective non-pharmacological therapy for improving symptom management of chronic illnesses? A systematic review. AB - BACKGROUND: Emerging evidence suggests that some people living with non communicable diseases (NCDs) have integrated energy healing into their self management strategy, however little is known about its efficacy. PURPOSE: To identify energy healing interventions that impacted positively on the symptom management outcomes for patients living in the community with various NCDs. METHODS: A systematic review of energy healing interventions for the management of non-communicable disease related symptoms, conducted between 01 January 2000 and 21 April 2015, published in an English peer-reviewed journal. This review conforms to the PRISMA statement. RESULTS: Twenty seven studies were identified that evaluated various energy healing interventions involving 3159 participants. Thirteen of the energy healing trials generated statistically significant outcomes. CONCLUSIONS: Energy healing has demonstrated some improvement in illness symptoms, however high level evidence consistently demonstrating efficacy is lacking. Further more robust trials are required to better understand which elements of energy healing interventions are associated with positive outcomes. PMID- 27863609 TI - The impact of listening to pleasant natural sounds on anxiety and physiologic parameters in patients undergoing coronary angiography: A pragmatic quasi randomized-controlled trial. AB - OBJECTIVE: This study aimed to investigate the impact of listening to pleasant natural sounds on anxiety and physiological parameters in patients undergoing coronary angiography. METHODS: The present pragmatic quasi-randomized controlled clinical trial was conducted on 130 patients undergone elective angiography. The participants were randomly divided into two groups, including a pleasant natural sounds group, and a control group (n1/2 65 per group). Spielberger's state/trait anxiety inventory was used to assess levels of anxiety. The patients' anxiety level and physiological parameters were measured at baseline, before, during, immediately after, and 20 min after coronary angiography. RESULTS: The mean level of anxiety was similar in both arms at baseline (t = 1.317, df = 128, p = 0.190). The intervention arm displayed significantly lower anxiety levels than the control arm during the intervention (Wilks' lambda 0.11, Pillai's trace 0.89, P 0.001, F 2.05). The physiological parameters (systolic and diastolic blood pressure, mean arterial pressure, heart rate, and oxygen saturation) of both groups showed statistically significant differences (p < 0.05) over time and in group-by time interactions. CONCLUSION: As an effective nursing intervention presenting no side-effects, listening to pleasant natural sounds can be helpful in the management of anxiety. PMID- 27863610 TI - Exploring the body through reflexology: Physical behaviors observed during application. AB - Recent studies on reflexology describe the appearance of different application associated effects, attributed to a self-regulatory mechanism related to treatment efficacy. On the other hand, sleep is a physiological process of vital importance for health. Its main value lies in restoring the natural balance between neuronal centers. Among its associated behavioral characteristics are spontaneous movements and eye movements. The aim of this study is to investigate the effects that occur during application of reflexology and that are not described in the literature. This is a descriptive observational study with a quantitative methodology. Abivariate anlysis has been conductec through chi square test or Anova as apropiate. A total of 111 clients of a therapy center in Tarragona have participated in the study. They were assigned into four groups (musculoskeletal, stress, anxiety, mantenance). Reflexology was administered and observered the manifestations that occured during the session. The findings have identified four categories of effects, of which there was no previous reference. These effects can be related to any of the stages of sleep. This study shows that reflexology promotes its application for different effects, such as eye movements and spontaneous movements. These data reveal the need to investigate these effects and their impact on health as well as their possible relationship with sleep. PMID- 27863611 TI - Mindfulness based stress reduction adapted for depressed disadvantaged women in an urban Federally Qualified Health Center. AB - BACKGROUND: In this study we examine the feasibility and preliminary effectiveness of mindfulness based stress reduction adapted for delivery in an urban Federally Qualified Health Center (FQHC). METHODS: Thirty-one African- American adult women ages 18-65 with depressive symptoms enrolled to participate in an 8-week mindfulness group intervention. The primary outcome (depression) and secondary outcomes (stress, mindfulness, functioning, well-being, and depression stigma) were assessed at baseline, 8 and 16-weeks. RESULTS: Depressive symptoms significantly decreased from baseline to 16 weeks. A significant decrease in stress and significant increase in mindfulness was found from baseline to 8 weeks and baseline to 16 weeks. Additionally, aspects of well-being-self-acceptance and growth-significantly increased from baseline to 8-weeks. Stigma significantly increased from baseline to 8 weeks and significantly decreased from 8 to 16 weeks (all p's < 0.05). CONCLUSIONS: Mindfulness-based interventions implemented in FQHCs may increase access to effective treatments for mental health symptoms. PMID- 27863612 TI - Complementary and alternative medicine use in children with cystic fibrosis. AB - PURPOSE: To estimate the overall prevalence of complementary and alternative medicine use among children with cystic fibrosis, determine specific modalities used, predictors of use and subjective helpfulness or harm from individual modalities. RESULTS: Of 53 children attending the cystic fibrosis clinic in London, Ontario (100% recruitment), 79% had used complementary and alternative medicine. The most commonly used modalities were air purifiers, humidifiers, probiotics, and omega-3 fatty acids. Family complementary and alternative medicine use was the only independent predictor of overall use. The majority of patients perceived benefit from specific modalities for cystic fibrosis symptoms. CONCLUSIONS: Given the high frequency and number of modalities used and lack of patient and disease characteristics predicting use, we recommend that health care providers should routinely ask about complementary and alternative medicine among all pediatric cystic fibrosis patients and assist patients in understanding the potential benefits and risks to make informed decisions about its use. PMID- 27863613 TI - Effect of aromatherapy massage with lavender essential oil on pain in patients with osteoarthritis of the knee: A randomized controlled clinical trial. AB - BACKGROUND: Osteoarthritis of the knee is the most common chronic joint disease that involves middle aged and elderly people. The purpose of this study was to investigate the effect of aromatherapy massage with lavender essential oil on pain in patients with osteoarthritis of the knee. METHODS: In this single blinded, randomized clinical trial, 90 patients with osteoarthritis of the knee who referred to the outpatient rheumatology clinics affiliated with Birjand University of Medical Sciences were selected through convenience sampling method. They were randomly assigned to three groups: intervention (aromatherapy massage with lavender essential oil), placebo (massage with almond oil) and control (without massage). The patients were evaluated at baseline, immediately after the intervention, 1 week, and 4 weeks after the intervention in terms of pain via visual analogue scale. The data were analyzed in SPSS (version 16) using the repeated measure ANOVA, one-way ANOVA, and chi-squared test. RESULTS: Pain severity of the patients in the intervention group was significantly different immediately and 1 week after the intervention compared with their initial status (p < 0.001) and that of the control group (p < 0.001 and p = 0.009 respectively). However, at the third phase of follow-up (i.e., 4 weeks after the intervention), there was no significant difference between the groups according to the visual analogue scale (p = 0.67). CONCLUSION: Aromatherapy massage with lavender essential oil was found effective in relieving pain in patients with knee osteoarthritis. However, further studies are needed to confirm findings of this study. PMID- 27863614 TI - Guided imagery effects on chemotherapy induced nausea and vomiting in Iranian breast cancer patients. AB - BACKGROUND: The objective of this study was to examine the effect of guided imagery on chemotherapy induced nausea and vomiting in breast cancer patients. DESIGN: This was a quasi-experimental study in which a group of sample was evaluated pre and post intervention. A convenience sample of 55 eligible breast cancer patients enrolled to participate in this study after giving informed consent. They completed the Morrow Assessment of Nausea and Vomiting, before and after the intervention. The intervention consisted of listening to the two guided imagery tracks. FINDINGS: After the intervention, patients at the third session of chemotherapy had significantly lower mean scores in the frequency and severity of nausea and vomiting pre and post chemotherapy (p < 0.05). CONCLUSIONS: Guided imagery, as an inexpensive and noninvasive method, is particularly appealing option to alleviate chemotherapy induced nausea and vomiting. It can be used in addition to pharmacological strategies and can be implemented by patients independently with sufficient training. Therefore, this therapy will considerably improve severity and frequency of chemotherapy induced nausea and vomiting. PMID- 27863615 TI - The effect of aromatherapy with lavender essence on severity of labor pain and duration of labor in primiparous women. AB - OBJECTIVE: The aim of this study was to investigate the effect of Lavender essence inhalation on severity of labor pain and duration of labor. METHODS AND MATERIALS: This single-blind, randomized clinical trial was conducted on 120 pregnant women in two groups. The experimental group received 2 drops of Lavender essence inhaled at three stages (4-5, 6-7, 8-9 cm cervical dilation) and severity of the labor pain and duration of labor was measured before and after intervention. The control group was treated with distilled water as a placebo in the similar ways, too. RESULTS: The results showed that difference in the labor pain before and after intervention in two groups was significant (P = 0/001). But there was no difference in mean duration of the active phase and the second stage of labor between the two groups. CONCLUSION: Lavender essence aromatherapy may be an effective therapeutic option for pain management for women in labor. PMID- 27863616 TI - Attitudes, beliefs and behaviours of Australia dietitians regarding dietary supplements: A cross-sectional survey. AB - BACKGROUND: The aim of this study was to investigate the attitudes, beliefs and behaviors of Australian dietitians regarding dietary supplements. METHODS: An online survey was disseminated through the mailing lists of multiple healthcare organizations. There were 231 Australian dietitians that replied to the online survey. RESULTS: The results indicate that Australian dietitians are interested in dietary supplements (65%); however, the results also indicate that Australian dietitians are tentative about integrating dietary supplements into their dietetic practice. Concerns regarding potential drug-nutrient/herbal interactions were reported as the primary barrier (67%) to utilizing dietary supplements as part of clinical practice. In addition, there was a strong interest in additional training in dietary supplements (79%). CONCLUSIONS: In summary, Australian dietitians are interested in the use of dietary supplements; however, due to current barriers, few dietitians utilize dietary supplements as part of dietetic practice. PMID- 27863617 TI - Effectiveness of SP6 (Sanyinjiao) acupressure for relief of primary dysmenorrhea symptoms: A systematic review with meta- and sensitivity analyses. AB - We reviewed the available evidence for SP6 (Sanyinjiao) acupressure for the relief of primary dysmenorrhea (PD) symptoms, as well as patients' experiences of this intervention. We searched six relevant databases and gray literature for publications dated up to March 2016. The search yielded 72 potential studies. Six of these studies, contributing a total of 461 participants, were included in this review. The primary outcome was pain intensity. Studies with significant homogeneity were pooled for meta-analysis. Qualitative data and quantitative data not suitable for meta-analysis were presented as a narrative synthesis. The Cochrane criteria demonstrated that the included studies were generally of low quality with a high risk of bias. SP6 acupressure delivered by trained personnel significantly decreased pain intensity immediately after the intervention (effect size = -0.718; CI = -0.951 to -0.585; p = 0.000), and pain relief remained up to 3 h after the intervention (effect size = -0.979; CI = -1.296 to 0.662; p = 0.000). However, patient-administered intervention required multiple monthly cycles to effect pain reduction. SP6 acupressure appears to be effective when delivered by trained personnel for some PD symptoms. Findings suggest that self administered acupressure shows promise for the alleviation of PD symptoms. High quality research is needed before conclusive recommendations are proposed. PMID- 27863619 TI - Identification of SLC26A4 mutations p.L582LfsX4, p.I188T and p.E704K in a Chinese family with large vestibular aqueduct syndrome (LVAS). AB - Large vestibular aqueduct syndrome (LVAS) is a type of hearing loss characterized by an autosomal recessive inheritance. LVAS has been shown to be associated with mutations in SLC26A4 gene. In the present study, we report the clinical, genetic and molecular characterization of a Chinese family with LVAS. By using the targeted sequence capture and next-generation sequencing, we identified heterozygous mutations of SLC26A4 p.I188T (c.563T > C), p.L582LfsX4 (c.1746 delG) and p.E704K (c.2110G > A) in the affected individual of this family, of which SLC26A4 p.E704K is a novel mutation associated with LVAS. By tracing the transmission and functional prediction of these mutations in the pedigree, the heterozygous mutations of p.I188T, p.L582LfsX4 and p.E704K in SLC26A4 gene were responsible for the LVAS of the affected individual. This is the first case of LVAS caused by these mutations. PMID- 27863620 TI - Paediatric airway foreign body - The human factors influencing patient safety in our hospitals. AB - Foreign bodies in the pediatric airway are an uncommon emergency with a high morbidity and mortality rate. Morbidity ranges from 10 to 20% worldwide and this pathology accounts for up to 7% of accidental deaths in children under 4. Dealing with this emergency safely and effectively is complex, requiring a tight coupling of procedures and processes and optimal anesthetic and operating conditions to prevent errors. These factors are recognized by the World Health Organization as 'Human Factors'. We perform a multi-center assessment of human factors pertinent to this emergency. Specifically, equipment provision and staff training in this emergency. Data was collected from 13 sites in the United Kingdom, using two questionnaires for medical and nursing staff. Information including equipment availability, location of equipment, and surgeon and nursing experience was recorded. Royal Manchester Children's Hospital (RMCH) set the study standard. Our study shows there is huge variability in equipment provision across units. There is a lack of experience, confidence and training amongst middle grade otolaryngology surgeons and emergency theatre staff in handling this emergency. Issues with equipment and inexperience of both middle grade doctors and nursing staff could result in significant patient morbidity and mortality. We suggest a standardized age appropriate equipment list and staff training in use of this equipment. Implementation of these simple changes could reduce preventable error in this rare but serious emergency. PMID- 27863621 TI - Impact of adenotonsillectomy on the quality of life in children with sleep disordered breathing. PMID- 27863622 TI - Objective characterization of airway dimensions using image processing. AB - OBJECTIVES: With the evolution of medical and surgical management for pediatric airway disorders, the development of easily translated techniques of measuring airway dimensions can improve the quantification of outcomes of these interventions. We have developed a technique that improves the ability to characterize endoscopic airway dimensions using common bronchoscopic equipment and an open-source image-processing platform. METHODS: We validated our technique of Endoscopic Airway Measurement (EAM) using optical instruments in simulation tracheas. We then evaluated EAM in a large animal model (Ovis aries, n = 5), comparing tracheal dimensions obtained with EAM to measurements obtained via 3-D fluoroscopic reconstruction. The animal then underwent resection of the measured segment, and direct measurement of this segment was performed and compared to radiographic measurements and those obtained using EAM. RESULTS: The simulation tracheas had a direct measurement of 13.6, 18.5, and 24.2 mm in diameter. The mean difference of diameter in simulation tracheas between direct measurements and measurements obtained using EAM was 0.70 +/- 0.57 mm. The excised ovine tracheas had an average diameter of 18.54 +/- 0.68 mm. The percent difference in diameter obtained from EAM and from 3-D fluoroscopic reconstruction when compared to measurement of the excised tracheal segment was 4.98 +/- 2.43% and 10.74 +/- 4.07% respectively. Comparison of these three measurements (EAM, measurement of resected trachea, 3-D fluoroscopic reconstruction) with repeated measures ANOVA demonstrated no statistical significance. CONCLUSIONS: Endoscopic airway measurement (EAM) provides equivalent measurements of the airway with the improved versatility of measuring non-circular and multi-level dimensions. Using optical bronchoscopic instruments and open-source image-processing software, our data supports preclinical and clinical translation of an accessible technique to provide objective quantification of airway diameter. PMID- 27863623 TI - Tuberculous lymphadenitis of the head and neck in Canadian children: Experience from a low-burden region. AB - BACKGROUND: Children are more likely than adults to develop extra-pulmonary tuberculosis (EPTB), which often presents as cervical lymphadenopathy. The role of surgery in management is uncertain. We reviewed all head and neck EPTB cases presenting to our tertiary care pediatric institution over a twelve-year period. METHODS: All children 18 years of age and younger with EPTB involving the head and neck were included. We recorded clinical data and age at diagnosis, birth country, BCG vaccination status, as well as radiographic, surgical, histological, and microbiological results. RESULTS: All 16 patients presented with cervical lymphadenopathy. Fourteen were born outside of Canada in TB endemic areas and all had foreign-born parents. Diagnosis was confirmed microbiologically from lymph node biopsies in 14 cases. Multi-drug resistant TB was identified in two cases: both had previous excisional node biopsies that had not been cultured. Two patients had culture negative suppuration despite adequate anti-tuberculous treatment that required surgery for cure. CONCLUSION: Ongoing suppuration despite appropriate drug therapy is seen in a minority of patients. We found that excisional lymph node biopsy of diseased cervical lymph nodes is diagnostic, and also therapeutic in some cases with ongoing suppuration despite appropriate drug therapy. Mycobacterial culture of lymph nodes is important for diagnosis and determination of drug resistance patterns. PMID- 27863624 TI - Comparison of auditory comprehension skills in children with cochlear implant and typically developing children. AB - OBJECTIVE: The main goal of this study was to obtain auditory comprehension skills of native Hindi speaking children with cochlear implant and typically developing children across the age of 3-7 years and compare the scores between two groups. METHODOLOGY: A total of sixty Hindi speaking participants were selected for the study. They were divided into two groups- Group-A consisted of thirty children with normal hearing and Group-B thirty children using cochlear implants. To assess the auditory comprehension skills, Test of auditory comprehension in Hindi (TACH) was used. The participant was required to point to one of three pictures which would best correspond to the stimulus presented. Correct answers were scored as 1 and incorrect answers as 0. RESULTS: TACH was administered on for both groups. Independent t-test was applied and it was found that auditory comprehension scores of children using cochlear implant were significantly poorer than the score of children with normal hearing for all three subtests. Pearson's correlation coefficient revealed poor correlation between the scores of children with normal hearing and children using cochlear implant. CONCLUSION: The results of this study suggest that children using cochlear implant have poor auditory comprehension skills than children with normal hearing. PMID- 27863625 TI - Facial nerve stimulation following cochlear implantation for X-linked stapes gusher syndrome leading to identification of a novel POU3F4 mutation. AB - We report a case of a nine-year-old male who presented with facial nerve stimulation four years after cochlear implantation. Computed tomography was performed revealing a dilated internal auditory meatus and the cochlear implant electrode was found to be protruding into the fallopian canal at the level of the geniculate ganglion. Subsequent genetic analysis demonstrated X-linked deafness type 2 (DFNX2) caused by a novel c.769C > T nucleotide change in the POU domain, class 3, transcription factor 4 gene (POU3F4). Inactivation of electrodes 1 and 19-21 successfully abated facial nerve stimulation. PMID- 27863626 TI - Temporalis myofascial flap coverage for extrusion of internal device after cochlear implantation. AB - Two pediatric patients with internal device exposure of cochlear implant (CI) were treated successfully using vascularized temporalis myofascial flaps. The visible scarring was minimal, and the CI function was excellent. Although we used temporalis myofascial flaps for late complications of an implanted ear, it can also be used in a primary case to provide flap reinforcement. In conclusion, the temporalis myofascial flap technique is an ultimate surgical option that offers advantages for CI patients with flap-related problems. PMID- 27863627 TI - A mismatch negativity study in Mandarin-speaking children with sensorineural hearing loss. AB - OBJECTIVE: a) To examine the effects of sensorineural hearing loss on the discriminability of linguistic and non-linguistic stimuli at the cortical level, and b) to examine whether the cortical responses differ based on the chronological age at intervention, the degree of hearing loss, or the acoustic stimulation mode in children with severe and profound hearing loss. METHODS: Mismatch negativity (MMN) responses were collected from 43 children with severe and profound bilateral sensorineural hearing loss, and 20 children with normal hearing (age: 3-6 years). In the non-verbal stimulation condition, pure tones with frequencies of 1 kHz and 1.1 kHz were used as the standard and the deviant respectively. In the verbal stimulation condition, the Chinese mandarin tokens/ba2/and/ba4/were used as the standard and the deviant respectively. Latency and amplitude of the MMN responses were collected and analyzed. RESULTS: Overall, children with hearing loss showed longer latencies and lower amplitudes of the MMN responses to both non-verbal and verbal stimulations. The latency of the verbal/ba2/-/ba4/pair was longer than that of the nonverbal 1 kHz-1.1 kHz pair in both groups of children. CONCLUSIONS: Children with hearing loss, especially those who received intervention after 2 years of age, showed substantial weakness in the neural responses to lexical tones and pure tones. Thus, the chronological age when the children receive hearing intervention may have an impact on the effectiveness of discriminating between verbal and non verbal signals. PMID- 27863628 TI - An effective compromise between cost and referral rate: A sequential hearing screening protocol using TEOAEs and AABRs for healthy newborns. AB - OBJECTIVE: This study evaluated the efficacy of a sequential hearing screening protocol using transient evoked otoacoustic emission (TEOAE) and automated auditory brainstem response (AABR) tests in healthy newborns. DESIGN: A TEOAE screening was performed during the first 48-72 h of life. If the infants failed, an AABR test was performed at the same time, and they were referred for a TEOAE rescreening at six weeks old. The results of screening Protocol 1 (only TEOAE) were compared with those of screening Protocol 2 (sequential TEOAE + AABR screenings for the first screening and TEOAE for the rescreening). STUDY SAMPLE: A total of 1062 healthy newborns were enrolled in this research. RESULTS: For Protocol 1, the first screening and rescreening referral rates were 11.1% and 2.2%, respectively. In contrast, for Protocol 2, the referral rates were significant lower at 3.8% and 0.9%, respectively. Using the two protocols, six infants were diagnosed with hearing loss (0.57%). CONCLUSIONS: Adding simultaneous AABR tests for infants who fail TEOAE testing at the first screening stage can significantly reduce referral rates without increasing misdiagnosis rates. Although this sequential screening process involves slightly more time and has a higher cost than TEOAE alone, its greater accuracy compensates for this difference. PMID- 27863629 TI - Development of the maxillary sinus in infants and children. AB - OBJECTIVE: To examine the age related volume change of the maxillary sinus in children by measuring the change of the height, weight, and depth using computed tomography (CT). METHODS: Children <18 years of age who underwent a CT Scan of the sinuses for reasons other than sinus related issues were included in the study. RESULTS: 139 patients were included (68 females and 71 Males) and the mean age of the patients was 9.6 +/- 5.4 years. The cohort was divided into three groups based on their ages - Age <6 years (n = 45), age between 6 and 12 years (n = 44) and age > 12 years (n = 50). Patients in each age group demonstrated an increase in their Maxillary sinus height (p<0.001). Patients < 6years of age and between 6 and 12 years of age had a significant increase in their maxillary sinus width and depth (p < 0.001). The maxillary sinus width, depth and volume did not increase significantly after the age of 12 years in these patients. CONCLUSION: We demonstrated periods of significant size increase of the maxillary sinuses as determined by different dimensions in children at various ages. The height of the maxillary sinus has steady growth from birth to at least the age of 18 years. The width and depth increase up to 12 years of age. PMID- 27863630 TI - Comparison of treatment outcomes between intracapsular and total tonsillectomy for pediatric obstructive sleep apnea. AB - BACKGROUND: Intracapsular tonsillectomy (IT) has been advocated as a treatment for pediatric obstructive sleep apnea (OSA). However, evidence in the literature utilizing polysomnography (PSG) is limited. OBJECTIVE: To examine the experience at a tertiary children's hospital to evaluate the effectiveness and risks of intracapsular tonsillectomy compared to total tonsillectomy (TT) for treating pediatric OSA. METHODS: A retrospective study was undertaken of pediatric tonsillectomy cases performed for OSA at a tertiary children's hospital from 2005 to 2010. Patients with recurrent tonsillitis, craniofacial abnormalities, chromosomal abnormalities, neuromuscular disease, and congenital malformations were excluded. Main outcome measures were apnea-hypopnea index (AHI), minimum oxygen saturation (minO2), and surgical complications. RESULTS: Of the 1583 patients reviewed in this study, there were 75 IT and 93 TT patients with pre- and post-operative PSG results. The IT patients were younger, had lower BMI, larger tonsil size, lower pre-operative (AHI) and lower post-operative AHI (p < 0.05). There was a similar percentage of patients that showed improvement in AHI and minimum oxygen saturation between the IT and TT groups. There were statistically similar average change in AHI and minimum oxygen saturation between the IT and TT groups at 5.6 +/- 8.6 and 8.6 +/- 12.9, respectively (p = 0.8) as well as similar improvement in minimum oxygen saturation between the two groups at 3.3% +/- 4.3% and 3.0% +/- 5.2%, respectively (p = 0.66). Of TT patients, 2.9% experienced post-operative bleeding with 1.6% requiring OR for control of hemorrhage. Of IT patients, 2.2% were found to have tonsillar regrowth with 2.0% returning to the OR for secondary tonsillectomy. CONCLUSIONS: Intracapsular tonsillectomy, like total tonsillectomy, is effective in improving polysomnogram results in appropriately selected children. Intracapsular tonsillectomy is a suitable option for the surgical treatment of pediatric OSA consequent to its demonstrated efficacy in relieving OSA and its favorable safety profile. PMID- 27863631 TI - Diagnostic hearing testing of infants aged 0-36 months in 3 South African provinces - Comparison of audiology records to HPCSA guidelines. AB - INTRODUCTION: Within the Early Hearing Detection and Intervention (EHDI) pathway, which includes the processes of screening, diagnosis and intervention for paediatric hearing loss, paediatric diagnostic audiology involves a battery of specific tests and procedures. International studies have highlighted a golden standard for diagnosis of paediatric hearing loss as based on the Joint Committee of Infant Hearing (2007) diagnostic guidelines, closely resembling the HPCSA diagnostic guidelines. There are limited South African studies on the processes and protocols followed in diagnostic paediatric audiology. OBJECTIVES: This study aims to provide a comparison for how the tests used for diagnosis of paediatric hearing loss in South Africa (within both the public and private healthcare sectors) compare to the HPCSA recommended diagnostic guidelines. METHODS: A retrospective record review of paediatric clients with hearing loss (recruited through nonprobability convenience sampling) was conducted. This study is part of a longitudinal study of 711 deaf or hard of hearing children referred to the HI HOPES early intervention programme from September 2006 to December 2011. Diagnostic data from audiology reports of 117 children between 0 and 36 months were coded and analysed. RESULTS: Large variation was found in the tests included in the diagnostic audiology reports. For 22 children (19%) a comprehensive test battery was used. Health Professions Council of South Africa (HPCSA) recommended guidelines for diagnostic testing were not followed in any of the records analysed. Components of the HPCSA recommended test battery most frequently omitted was bone conduction testing. For both electrophysiology and behavioural testing, there was limited frequency specificity information. This exclusion of information is evidence of deficiencies in data recording and management, as well as having an effect on accuracy of classification of degree and type of hearing loss. CONCLUSION: There are gaps in age-appropriate assessment protocols, which will have an effect on accurate differential diagnosis of paediatric hearing loss. Reasons for not including all testing components of the HPCSA recommended guidelines, as well as the possibility of developing guidelines more relevant to a developing world context, should be explored. There might be a need for. The impact of South African specific factors that have an effect on provision of accurate paediatric diagnostic audiology services should be determined. PMID- 27863632 TI - Soft-wall reconstruction of the canal wall with retrograde bone work for pediatric cholesteatoma: Long-term results. AB - OBJECTIVE: To retrospectively evaluate the long-term results of surgery for retrograde bone work, using soft-wall reconstruction of the canal wall, for pediatric cholesteatoma. METHODS: We retrospectively evaluated a series of 25 consecutive ears of 24 patients who were <=16 years of age. All children underwent cholesteatoma surgery between October 2002 and August 2008. The type of cholesteatoma, the length of follow-up, the incidence of residual and recurrent cholesteatoma, postoperative hearing results, and the form of the reconstructed external canal wall and tympanic membrane were assessed. RESULTS: There were 21 males and 3 females. The procedure was performed on both ears of one patient who had bilateral congenital cholesteatoma (CC). At the initial surgery, 16 cases (64%) had CC and nine (36%) had acquired cholesteatoma (AC). The mean age at surgery was 8.2 years and 10.4 years for CC and AC cases, respectively. The mean postoperative follow-up period after the initial surgery was 90 months for CC cases and 108 months for AC cases. Cholesteatoma recurrence occurred for 6% and 56% of cases with CC and AC, respectively. Successful serviceable hearing was achieved for 93.8% with CC and 100% with AC. Cases with inadequate hearing after surgery were characterized by disease extension to the mastoid and the protympanum. The long-term forms of the reconstructed external canal wall changed depending on their middle ear aeration. Some cases of tympanic membrane perforation and otitis media with effusion were occurred during the follow-up period. CONCLUSION: Overall, the retrograde approach with soft-wall reconstruction of the canal wall achieved a low recurrence rate for cholesteatoma and good hearing outcomes during long-term follow-up for the pediatric case. However, in cases with eustachian tube dysfunction and/or cholesteatoma involving the protympanum, the hearing outcomes were less favorable. PMID- 27863633 TI - Intersurgical interval increased with use of quadrivalent human papillomavirus vaccine (Gardasil) in a pediatric patient with recurrent respiratory papillomatosis: A case report. AB - This is a case of a 4 year old female with recalcitrant recurrent respiratory papillomatosis with decreasing intersurgical interval that had improvement in clinical course after administration of the quadrivalent HPV vaccine. PMID- 27863634 TI - Predictors of flourishing among children with hearing loss. AB - OBJECTIVES: To examine parent report of flourishing in children with hearing impairments compared to children without hearing impairments, and to explore whether school engagement and bullying related to child flourishing. METHODS: Participants were 655 children with hearing impairments and 44, 618 children without hearing impairments who were 10-17 years of age. Caregivers completed telephone interviews about their child's functioning for the National Survey of Children's Health. RESULTS: Children without hearing loss had higher parent reported flourishing compared to children with hearing loss when controlling for child demographics (i.e., race, age, sex). School engagement was positively related to flourishing of children with hearing loss. Bullying behaviors were not related to flourishing of children with hearing loss. CONCLUSION: Improving school engagement may increase flourishing of children with hearing loss, which is critical given that children with hearing loss experience lower flourishing than children without hearing loss. Examining the relationships among other risk and resilience factors and flourishing for children with hearing loss will provide information for interventions to enhance the adaptation of these children. PMID- 27863635 TI - Cochlear implantation of solid organ transplant patients receiving immunosuppressive therapy. AB - OBJECTIVE: To evaluate the incidence of infectious complications and healing problems in cochlear implant (CI) patients receiving immunosuppressive therapy following solid organ transplant. STUDY DESIGN: IRB-approved retrospective chart review of implanted patients. SETTING: Tertiary care children's hospital. METHODS: Seven patients of the more than 1000 implanted during the time period between 1991 and 2014 underwent cochlear implantation while on immunosuppressive therapy after having received a solid organ transplant. Their charts were reviewed for demographic and medical information pre- and post-implantation. The 4 males and 3 females ranged in age at CI from 2.4 to 18.8 years, with a mean of 9.0 years. Postimplant follow-up averaged 3.9 years (range: 0.1-13.1). Main outcome measures were occurrence of wound healing, infectious complications, whether open-set word recognition was achieved, and communication mode(s). RESULTS: No wound infections or delayed healing, mastoiditis, or bacterial meningitis occurred after cochlear implantation. All seven patients had received at least one pneumococcal vaccination prior to implantation. Five of 6 (83%) developed open-set speech perception, of whom 4 (67%) use only oral communication. CONCLUSION: In our series of patients receiving immunosuppressive therapy following solid organ transplantation, none developed wound healing or infectious complications after cochlear implantation. History of solid organ transplantation alone should not be a contraindication to cochlear implant candidacy which would deprive the child of the potential benefits of hearing, including language development. PMID- 27863636 TI - The effect of propofol infusion with topical epinephrine on cochlear blood flow and hearing: An experimental study. AB - BACKGROUND AND OBJECTIVE: Propofol is the most commonly used intravenous (IV) anesthetic agent and is associated with hypotension upon induction of anesthesia. Intravenous propofol infusion has several properties that may be beneficial to patients undergoing middle ear surgery. Topical application of concentrated epinephrine is a valuable tool for achieving hemostasis in the middle ear and during mastoid surgery. The purpose of the present study was to determine the effects of propofol infusion with topical epinephrine on cochlear blood flow (CBF) and hearing in rats. MATERIALS AND METHODS: Twenty one male Sprague-Dawley rats were divided into three groups. The rate of intravenous infusion of propofol was 4-6 ml/kg/hour. The first group (control group, n = 7) was given IV infusion of phosphate buffered saline (PBS) with topical application of PBS in the round window. In study group A (n = 7), the effect of topical phosphate buffered saline with IV infusion of propofol on CBF and hearing was evaluated. In study group B (n = 7), additional effects of topical epinephrine with IV infusion of propofol on CBF and hearing were evaluated. The laser Doppler blood flowmeter, CBF, and the mean arterial blood pressure (MAP) were measured and analyzed. Additionally, hearing test using auditory brainstem response (ABR) was performed in both groups. RESULTS: In both groups, infusion of propofol induced a time-dependent decrease in MAP. Approximately 30 min after the start of the propofol infusion, the CBF started to decrease slowly. The decrease in CBF was significantly greater in the study group compared to the control group. The threshold was elevated in the study group relative to the control group. CONCLUSION: During middle ear surgery, use of IV infusion of propofol with topical epinephrine cotton ball or cottonoid application is not recommended. PMID- 27863637 TI - Nasal septal abscess in association with pediatric acute rhinosinusitis. AB - INTRODUCTION: Nasal septal abscess (NSA) in the pediatric population is rare and can result in devastating complications. Objective of this study is to review a case series of pediatric patients presenting with NSA in association with acute rhinosinusitis (ARS) for possible risk factors and predisposing conditions. METHOD: This is a retrospective review of pediatric patients that presented to a tertiary care hospital with nasal septal abscess associated with ARS. Patient demographics, presence of ARS, sinuses involved, and other potential risk factors were recorded. In addition, a literature review was conducted to evaluate other reported cases of NSA in association with ARS. Cases of NSA associated with trauma or other causes were excluded from analysis. RESULTS: Five patients with NSA were treated by the pediatric otolaryngology department of a tertiary care center from 2003 to 2014. Three of these cases were associated with ARS. Of these cases, the average age at diagnosis was 9.7 years. Two were male and one was female. In these cases, the bilateral frontal, maxillary and ethmoid sinuses were involved. Sphenoid involvement occurred in two patients. One case was associated with ipsilateral middle turbinate concha bullosa. The cartilaginous septum was compromised in all three cases. All patients were treated with incision and drainage. CONCLUSION: This is the largest case series of NSA described in the pediatric population. NSA is exceedingly rare but may be associated with ARS. While the etiology of NSA is not always clear, identifying and treating nasal septal abscesses early is imperative to reduce potentially devastating complications. PMID- 27863638 TI - Comparison of the effects of lipoic acid and glutathione against cisplatin induced ototoxicity in auditory cells. AB - OBJECTIVES: The aims of this study were to examine lipoic acid (LA)- or glutathione (GSH)-mediated protection against cytotoxicity following cisplatin exposure in HEI-OC1 auditory cells and measure the potential of LA and GSH to scavenge reactive oxygen species (ROS). This study also compares their protective effects and discusses the determination of a preventive or therapeutic dose. METHODS: HEI-OC1 cells were pretreated with LA or GSH for 24 h and then exposed to 15 MUM cisplatin for 48 h. The resulting cytotoxicity was measured using a cell counting kit-8, and intracellular ROS level was measured using flow cytometry. The protective or anti-ROS effects of LA and GSH were compared. Measurement of caspase 3, 8, 9 activity and Western blot analysis of PARP were performed. RESULTS: Pretreatment with LA at 300 MUM and GSH at 3 mM protected HEI OC1 cells against cisplatin-induced cytotoxicity and significantly reduced the cisplatin-induced increase in ROS. LA showed a significantly more effective protection against cisplatin-induced ototoxicity compared to that shown by GSH (85.4% vs. 73.1% cell viability). Both LA and GSH showed the maximal protective effect at different concentrations in normal or cisplatin-induced cytotoxic conditions. The preventive or therapeutic dose for harmful conditions is quite different for the two drugs and needs careful adjustments. CONCLUSION: This comparative study on the protective effects of LA and GSH against cisplatin induced ototoxicity in an auditory cell line posed many challenges. Although LA and GSH showed a significant protective effect against cisplatin, the LA's effect was superior. The concentration at which the maximal protective effect of LA or GSH was noted was 3 times higher in cytotoxic conditions than in normal conditions, which suggests the need for drug dose adjustments based on the purpose (preventive or therapeutic). PMID- 27863639 TI - Conversion of traditional osseointegrated bone-anchored hearing aids to the Baha(r) attract in four pediatric patients. AB - Bone-anchored hearing aids are external devices attached to the skull via a titanium implant, and can be used for multiple types of hearing loss. Traditionally, osseointegrated implants have been coupled to the external processor with a percutaneous abutment, but more recently, a fully implanted, transcutaneous magnet-based system has become available. Skin reactions from the percutaneous portion are a common complication that can prevent use of the device during critical windows of language development and learning in children. We describe our experience replacing the Baha(r) abutment system with the Baha(r) Attract in four pediatric patients. Specific operative considerations for incision placement, and magnet and implant coverage are discussed. All patients maintained osseointegration, had excellent long-term wound healing without post operative infection, and were able to wear their devices more consistently. PMID- 27863640 TI - Assessment of adenotonsillar size and caregiver-reported sleep symptoms among 3-6 year old children undergoing adenotonsillectomy. AB - INTRODUCTION: Adenotonsillectomy remains the accepted first-line treatment for obstructive sleep apnea syndrome (OSAS) in children. Tonsillar size may be especially relevant in risk stratification as it may impact symptoms of sleep disordered breathing (SDB). This study assesses correlations among subjective tonsillar grading, measured tonsillar size, and degree of adenoid obstruction in patients age 3-6 years with caregiver-reported symptoms. METHODS: Children 3-6 years old undergoing adenotonsillectomy for OSAS were enrolled prospectively. The subjective tonsillar grade and degree of adenoid obstruction were recorded on physical examination by the otolaryngologist, and the objective tonsillar size was obtained from pathology reports. Spearman's rho was used to assess agreement among measures of tonsillar size and adenoid obstruction; and to correlate these measures with caregiver-reported SDB symptoms obtained from a pre-operative standardized questionnaire. RESULTS: The cohort included 103 boys and 97 girls of median age 4.8 (interquartile range [IQR]: 3.9, 5.9) years. Median subjective tonsillar grade was 3+ (IQR: 3+, 4+) while median tonsillar size was 2.7 cm (IQR: 2.5, 3) and median adenoid obstruction was 60% (IQR: 50%, 80%). The subjective tonsillar grade and measured tonsillar size were strongly correlated (rho = 0.31, p < 0.001), whereas adenoid obstruction was uncorrelated with either subjective tonsillar grade (rho = 0.01, p = 0.860) or measured size (rho = -0.05, p = 0.497). Tonsillar grade was positively correlated with 3 common caregiver reported SDB symptoms (loud snoring, trouble breathing at night, and daytime sleepiness). Objective tonsillar size was positively correlated only with difficulty organizing tasks or activities, and adenoid obstruction was positively correlated only with stopping breathing during sleep. CONCLUSION: Subjective tonsillar grading by the otolaryngologist achieved better correlation than measured tonsillar size or degree of adenoid obstruction with caregiver-reported SDB symptoms in children 3-6 years of age undergoing adenotonsillectomy. PMID- 27863641 TI - The influence of pediatric tracheostomy on the body weight percentile of children. AB - OBJECTIVES: The purpose of this study was to evaluate the changes in body weight following tracheostomy in pediatric patients. METHODS: Ninety-eight patients who underwent tracheostomy at the age of 0-6 years were enrolled. The body weight and growth percentile were measured before tracheostomy and at 1, 6, and 12 months after surgery. The body weight and growth percentile were plotted against time, which was compared with Korean growth chart curve. A Retrospective observational cohort study was performed. RESULTS: The mean body weight increased gradually from 6.7 (+/-0.51) kg to 10.84 (+/-0.15) kg at 12 months post-surgery (p < 0.01). The growth percentile also increased from 24.41 (+/-3.18) to 40.6 (+/-4.10) during the follow-up period (p < 0.01). We analyzed the patients with a low growth percentile (<=50th percentile). In these patients, the mean body weight increased from 4.92 (+/-0.27) kg to 8.97 (+/-0.27) kg and the growth percentile also increased from 11.02 (+/-1.32) to 30.56 (+/-3.31) (all p < 0.01). Ventilator independent patients also presented similar pattern of body weight and its percentile. CONCLUSIONS: Body weight increased after tracheostomy that was safely performed in children requiring airway management. PMID- 27863642 TI - Tissue-engineered trachea: A review. AB - Tracheal replacement is performed after resection of a portion of the trachea that was impossible to reconnect via direct anastomosis. A tissue-engineered trachea is one of the available options that offer many advantages compared to other types of graft. Fabrication of a functional tissue-engineered trachea for grafting is very challenging, as it is a complex organ with important components, including cartilage, epithelium and vasculature. A number of studies have been reported on the preparation of a graftable trachea. A laterally rigid but longitudinally flexible hollow cylindrical scaffold which supports cartilage and epithelial tissue formation is the key element. The scaffold can be prepared via decellularization of an allograft or fabricated using biodegradable or non biodegradable biomaterials. Commonly, the scaffold is seeded with chondrocytes and epithelial cells at the outer and luminal surfaces, respectively, to hasten tissue formation and improve functionality. To date, several clinical trials of tracheal replacement with tissue-engineered trachea have been performed. This article reviews the formation of cartilage tissue, epithelium and neovascularization of tissue-engineered trachea, together with the obstacles, possible solutions and future. Furthermore, the role of the bioreactor for in vitro tracheal graft formation and recently reported clinical applications of tracheal graft were also discussed. Generally, although encouraging results have been achieved, however, some obstacles remain to be resolved before the tissue engineered trachea can be widely used in clinical settings. PMID- 27863643 TI - The safety and efficacy of pediatric lingual tonsillectomy. AB - OBJECTIVE: Lingual tonsillar hypertrophy is recognized as a cause of persistent obstructive sleep apnea (OSA) after adenotonsillectomy in children. However, little has been reported regarding the complications, postoperative course and effectiveness of lingual tonsillectomy (LT). Our objective was to review the safety and effectiveness of LT in children. METHODS: Retrospective review of children undergoing LT from January 2009 to December 2015 at a tertiary children's hospital. Complications, postoperative course and polysomnographic (PSG) outcomes were recorded for all patients. RESULTS: We identified 92 children (mean age = 8.6 years, 50% female) who underwent LT; 43.5% had a syndromic diagnosis. The most common complications were emergency department presentation for bleeding (4.4%) and poor oral intake (3.3%). The readmission rate was 4.4% including 2 children (2.2%) who required operative control of hemorrhage. No children required unplanned reintubation or ICU admission. In children with PSG data (n = 18), the median apnea-hypopnea index (AHI) decreased from 8.5 to 3.8 events/hour (p = 0.022) and the median obstructive AHI (oAHI) decreased from 8.3 to 3.1 events/hour (p = 0.021). In addition, the oxygen saturation nadir increased from 83.8% to 89.0% (p = 0.0007). After surgery the percentage of patients with oAHI<5 events/hour increased from 27.8% to 61.1% (p = 0.08). CONCLUSIONS: Readmission and bleeding rates after lingual tonsillectomy in children were similar to that seen with tonsillectomy. Polysomnographic data showed that lingual tonsillectomy resulted in a significant reduction of both AHI and oAHI with a postoperative oAHI <5 achieved in 61% of patients. PMID- 27863644 TI - Ultrasound-guided removal of impalpable, radiolucent vegetative foreign bodies embedded into facial soft tissues of a toddler. AB - Otolaryngologists frequently encounter children with foreign bodies retained inside the lumen of their upper aerodigestive tract. However, total capture in the soft tissues happens rarely, and could be clinically, as well as radiographically, silent. Ultrasonography is a safe and effective imaging modality, aiding both diagnosis and surgical treatment. We report on a 14-month girl with chronic, fluctuating cheek edema and erythema, induced by an impalpable, radiolucent bundle of organic fibers embedded intramuscularly. Foreign body identification and atraumatic removal were facilitated by real-time ultrasound scanning. PMID- 27863645 TI - Identification of a de novo mutation of SOX10 in a Chinese patient with Waardenburg syndrome type IV. AB - OBJECTIVES: Waardenburg syndrome is a rare genetic disorder, characterized by the association of sensorineural hearing loss and pigmentation abnormalities. Four subtypes have been classified. The present study aimed to analyze the clinical feature and investigate the genetic cause for a Chinese case of Waardenburg type IV (WS4). METHODS: The patient and his family members were subjected to mutation detection in the candidate gene SOX10 by Sanger sequencing. RESULTS: The patient has the clinical features of WS4, including sensorineural hearing loss, bright blue irides, premature graying of the hair and Hirschsprung disease. A novel heterozygous frameshift mutation, c.752_753ins7 (p.Gly252Alafs*31) in the exon 5 of SOX10 was detected in the patient, but not found in the unaffected family members and 100 normal controls. This mutation results in a premature stop codon 31 amino acid downstream. CONCLUSIONS: The novel mutation c.752_753ins7 (p.Gly252Alafs*31) arose de novo and was considered as the cause of WS4 in the proband. This study further characterized the molecular complexity of WS4 and provided a clinical case for genotype-phenotype correlation studies of different phenotypes caused by SOX10 mutations. PMID- 27863646 TI - Regenerative efficacy of mesenchymal stromal cells from human placenta in sensorineural hearing loss. AB - INTRODUCTION: Hearing loss is a common chronic disorder characterized by decline of auditory function. The global population have suffered from deafness and the transplantation of stem cells is regarded as a therapeutic strategy for this disease. METHODS: We collected placenta from a total of 13 samples of full term pregnant women and isolated MSCs derived from human placenta and transplanted MSCs on deaf animal model. The normal group and the sensorineural hearing loss (SNHL) group and the experimental (transplanted MSCs) group were compared and estimated hearing level using auditory brainstem response (ABR) recordings and the otoacoustic emission (OAE) test. RESULTS: ABR threshold value and DPOAE level showed that MSCs transplantation groups was improved than the SNHL group. And the number of spiral ganglion neurons were increased in all turn of the cochlea. And there was no evidence of acute immunological rejection and inflammation response was not observed. DISCUSSION: This study is to evaluate regenerative efficacy of hearing loss by transplanting mesenchymal stromal cells (MSCs) derived from human placenta (amnion and chorion) in deaf animal model. We identified that MSCs transplantation restored auditory impairment and promoted cell regeneration. We hope to overcome sensorineural hearing loss by transplanting stem cells such as mesenchymal stromal cells (MSCs) from easily accessible adult stem cell source in placenta. PMID- 27863647 TI - A tonsillectomy increased the risk of chronic rhinosinusitis among children: A three-year follow-up study. AB - OBJECTIVES: The study aimed to estimate the risk of developing chronic rhinosinusitis (CRS) among children who had undergone a tonsillectomy by utilizing a cohort study based on a population-based database. METHODS: Data for this retrospective cohort study were sourced from the Taiwan "Longitudinal Health Insurance Database 2000". We included 202 children who had undergone a tonsillectomy as the study group and 2020 sex- and age-matched children as the comparison group. We used stratified Cox proportional hazard regressions to calculate the hazard ratio (HR) and its corresponding 95% confidence interval (CI) for CRS during the 3-year follow-up period. RESULTS: Of 2222 sampled children, the incidence rate of CRS during the 3-year follow-up period was 3.2 (95% CI = 2.0-4.8) 1000 person-years; 18.2 (95% CI = 9.1-32.5) per 1000 person years and 1.7 (95% CI = 0.8-3.0) per 1000 person-years for the study and comparison group, respectively. The stratified Cox proportional analysis showed that the adjusted hazard ratio for CRS during the 3-year follow-up period was 8.28 (95% CI = 3.24-21.16) for children who had undergone a tonsillectomy than comparison patients. CONCLUSIONS: We demonstrated that the risk of developing CRS is significantly increased among children who have undergone a tonsillectomy. PMID- 27863648 TI - Biodegradable airway stents in infants - Potential life-threatening pitfalls. AB - OBJECTIVE: The solution of severe tracheobronchial obstructions in early childhood means a great challenge. Biodegradable stents were intended to be a minimally invasive temporary solution which may decrease the number of interventions and limit the possible complications of stenting procedures. However, our first experiences have brought out a new, - especially in childhood potentially life-threatening complication of this concept. METHODS: Five SX-ELLA biodegradable polydioxanone stents was applied in three patients because of severe tracheobronchial obstruction: congenital tracheomalacia (7 day-old), acquired tracheomalacia (10 month-old), and congenital trachea-bronchomalacia (10 month-old). RESULTS: The breathing of all children improved right after the procedure. We observed degradation of the stent from the 5th postoperative week which resulted in large intraluminar fragments causing significant airway obstruction: one patient died of severe pneumonia, the other baby required urgent bronchoscopy to remove the obstructing 'foreign body' from the trachea. In the third case repeated stent placements successfully maintained the tracheal lumen. CONCLUSIONS: Polydioxanone stents may offer an alternative to metallic or silastic stents for collapse or external compression of the trachea in children; however, large decaying fragments mean a potential risk especially in the small size pediatric airway. The fragmentation of the stent, which generally starts in the 4-6 postoperative weeks, may create large sharp pieces. These may be anchored to the mucosa and covered by crust leading to obstruction. As repeated interventions are required, we do not consider the application of biodegradable stents unambiguously advantageous. PMID- 27863649 TI - The universal newborn hearing screening program in a public hospital: The importance of the day of examination. AB - OBJECTIVES: Newborn hearing screening programs are already implemented in many countries worldwide. Nonetheless there is still no consensus about the most proper post-birth day of examination. The purpose of this study was to assess the most appropriate day of universal hearing screening program in a public hospital. MATERIAL AND METHODS: A prospective cohort study was conducted in "Attiko University National Health System Hospital" and included 2494 newborns. They were examined before discharge from the hospital, using transient evoked otoacoustic emissions (TEOAEs). RESULTS: From 2494 neonates included in the study, 2129 (85.4%) bilaterally passed the screening examination, while 365 (14.6%) failed the test. Higher levels of "pass" result per day of life were presented the third (90%) and fourth (94%) day of life. These days the referral scores were lower, reaching 6% the 4th post-birth day. CONCLUSION: All infants should be screened for their hearing in the first days of life as otoacoustic emissions can be recorded from the first 24 h of life. If the babies stay in the maternity unit for more that 1-2 days for any reason (protocol of the maternity unit, parents leave in remote areas, etc.) we recommend the 4th day of life as the most appropriate day of examination in order to minimize the false positive ("refer") results at the initial examination. PMID- 27863650 TI - Perioperative considerations and complications in pediatric parathyroidectomy. AB - OBJECTIVES/HYPOTHESIS: To evaluate perioperative considerations and post operative complications associated with parathyroidectomy in the pediatric population. METHODS: The Kids' Inpatient Database 21 (KID) was searched for patients who underwent parathyroidectomy in 2009 and 2012. Patient demographics, hospital stay, associated charges, and post-operative adverse sequelae were evaluated in all patients and included patient comorbidity and additional procedure requirement analysis. RESULTS: There were 182 patients extrapolating to 262 parathyroidectomies over the two years analyzed. Although a minority of patients were male (45.4%), these patients had greater rates of complications, length of stay, and hospital charges. Importantly, minorities and younger patients (<=15y) also had more complicated post-operative courses. The lengths of stay for patients experiencing post-operative altered mental status (18.7d), post operative infection (15.5d), respiratory complications (19d), and cardiac complications (13d) were significantly increased compared to individuals without major complications (3.4d) (p < 0.001). Patients with pre-existing chronic kidney disease, dialysis-dependence, and bone sequelae (most commonly from hungry bone syndrome) also had significantly lengthier stays and greater associated costs. CONCLUSION: Findings from this analysis can be included in a comprehensive pre operative informed consent process between physicians and patients discussing perioperative considerations and potential complications of parathyroidectomy. Males, younger children, and patients with preexisting renal conditions experienced lengthier and more complicated hospital stays, suggesting the need for closer monitoring of these cohorts. PMID- 27863651 TI - Professor Alexander T. Florence: An exceptional scientist and man. PMID- 27863652 TI - Hyaluronic acid-conjugated lipoplexes for targeted delivery of siRNA in a murine metastatic lung cancer model. AB - We have investigated the impact of hyaluronic acid (HA)-coating on the targeting capacity of siRNA lipoplexes to CD44-overexpressing tumor cells. Cellular uptake and localization of HA-lipoplexes were evaluated by flow cytometry and fluorescence microscopy and both methods showed that these lipoplexes were rapidly internalized and localized primarily within the cytoplasm. Inhibition of luciferase expression on the A549-luciferase lung cancer cell line was achieved in vitro using an anti-Luc siRNA. 81% of luciferase gene expression inhibition was obtained in vitro with HA-lipoplexes at +/- ratio 2. In vivo, in a murine A549 metastatic lung cancer model, the treatment with HA-lipoplexes carrying anti luciferase siRNA led to a statistically significant decrease of luciferase expression as opposed to progressive increase with non-modified lipoplexes or NaCl 0.9%. The reduction of the expression of luciferase mRNA tumor of mice treated with HA-lipoplexes supported the inhibition effect due to siRNA. These results highlight the potential of HA-lipoplexes in CD44-targeting siRNA delivery. PMID- 27863653 TI - Pharmacy preparations: Back in the limelight? Pharmacists make up your mind! AB - In this contribution to the theme issue recognizing prof. Florence's achievements as editor -in-chief of the Int. J. Pharmaceutics, we analyze the future of pharmacy preparations (also known as extemporaneous preparations or compounded products). Pharmacy preparations, long considered as an endangered part of the pharmacy profession on its way to extinction, may be at the brink of a revival. Drivers of this revival are a set of changes related to new clinical concepts and supply shortages. Moreover, new production and IT paradigms are being developed that facilitate the preparation processes and provide the necessary quality management systems. Finally, more detailed legislation (EU) and guidelines (US) gets a better hold on preparation in pharmacies. The question is now: is the pharmacy profession willing to accept preparation of high quality medicines in the pharmacy as an integral part of its professional tasks? If so, institutions for pharmacy education should provide the required competences to the pharmacy student. If not, alternative scenarios with other disciplines taking the lead should be considered. Whatever the choice made, the 'Physicochemical principles of pharmacy: in manufacture, formulation and clinical use' by Florence and Attwood (2016); will be on the engineer/pharmacy student's desk. PMID- 27863654 TI - High systemic availability of core-crosslinked polymeric micelles after subcutaneous administration. AB - Covalent entrapment of drug molecules within core-crosslinked polymeric micelles (CCPM) represents an attractive approach to improve their therapeutic index. As an alternative to the most commonly employed intravenous (i.v.) route, subcutaneous (s.c.) administration offers the possibility of self-administration and thereby may reduce healthcare costs. The aim of this work was to assess the pharmacokinetic profile and systemic availability of drug-containing CCPM following s.c. injection. We here derivatised dexamethasone (DMS) with three different linkers, which enabled covalent attachment of this drug to the core of CCPM. The obtained DMS-containing CCPM exhibited varying drug release kinetics in vitro. Remarkably, a single dose of DMS-containing CCPM resulted in high systemic availability of about 30% following s.c. injection into the flank of healthy mice, as evidenced by an AUC between 26-37% relative to the AUC attained following i.v. injection. Although different linkers resulted in moderate variations in pharmacokinetic parameters, the overall pharmacokinetic profiles of these i.v. or s.c. administered nanomedicines were not substantially different. Next to DMS, we covalently attached paclitaxel (PTX) to the core of CCPM. Similarly, a single s.c. dose of PTX-containing CCPM resulted in high systemic availability of about 40% compared to i.v. injection and PTX (entrapped plus released) was detected in the blood for at least 3days. Importantly, the systemic availability of s.c. administered drug-containing CCPM is substantially higher than that of other nanoformulations as reported in the literature (e.g. 3% in rodents). These results demonstrate that s.c. administration is a promising route to attain high systemic availability of CCPM, enabling a potentially more patient friendly and cost-effective treatment approach than the i.v. route. PMID- 27863655 TI - Direct in vivo evidence on the mechanism by which nanoparticles facilitate the absorption of a water insoluble, P-gp substrate. AB - Here we examine the mechanisms by which nanoparticles enable the oral absorption of water-insoluble, P-glycoprotein efflux pump (P-gp) substrates, without recourse to P-gp inhibitors. Both 200nm paclitaxel N-(2-phenoxyacetyl)-6-O glycolchitosan (GCPh) nanoparticles (GCPh-PTX) and a simulated Taxol formulation, facilitate drug dissolution in biorelevant media, unlike paclitaxel nanocrystals. Verapamil (40mgkg-1) increased the oral absorption from low dose Taxol (6 or 10mgkg-1) by 100%, whereas the oral absorption from high dose Taxol (20mgkg-1) or low dose GCPh-PTX (6 or 10mgkg-1) was largely unchanged by verapamil. There was virtually no absorption from control paclitaxel nanocrystals (20mgkg-1). Imaging of ex-vivo rat ileum samples showed that fluorescently labelled GCPh nanoparticles are mucoadhesive and are taken up by ileum epithelial cells. GCPh nanoparticles were also found to open Caco-2 cell tight junctions. In conclusion, mucoadhesive, drug solubilising GCPh nanoparticles enable the oral absorption of paclitaxel via the saturation of the P-gp pump (by high local drug concentrations) and by particle uptake and tight junction opening mechanisms. PMID- 27863656 TI - Engineering thermosensitive liposome-nanoparticle hybrids loaded with doxorubicin for heat-triggered drug release. AB - The engineering of responsive multifunctional delivery systems that combine therapeutic and diagnostic (theranostic) capabilities holds great promise and interest. We describe the design of thermosensitive liposome-nanoparticle (NP) hybrids that can modulate drug release in response to external heating stimulus. These hybrid systems were successfully engineered by the incorporation of gold, silver, and iron oxide NPs into the lipid bilayer of lysolipid-containing thermosensitive liposomes (LTSL). Structural characterization of LTSL-NP hybrids using cryo-EM and AFM revealed the incorporation of metallic NPs into the lipid membranes without compromising doxorubicin loading and retention capability. The presence of metallic NPs in the lipid bilayer reinforced bilayer retention and offered a nanoparticle concentration-dependent modulation of drug release in response to external heating. In conclusion, LTSL-NP hybrids represent a promising versatile platform based on LTSL liposomes that could further utilize the properties of the embedded NPs for multifunctional theranostic applications. PMID- 27863657 TI - Development and characterization of polo-like kinase 2 loaded nanoparticles-A novel strategy for (serine-129) phosphorylation of alpha-synuclein. AB - Polo like kinase 2 (PLK2), a serine/threonine serum inducible kinase, has been proposed to be the major factor responsible for phosphorylating alpha-synuclein (alpha-syn) at Serine-129 (Ser-129) in Parkinson's disease (PD). A suitable strategy to gain insights into PLK2's biological effects might be to increase PLK2 intracellular levels with the aim of reproducing the slow progressive neuronal changes that occur in PD. The goal of this study was to develop and characterize a novel drug delivery system (DDS) for PLK2 cytosolic delivery using Total recirculating one machine system (TROMS), a technique capable of encapsulating fragile molecules while maintaining their native properties. A protocol for nanoparticle (NP) preparation using TROMS was set up. NPs showed a mean diameter of 257+/-15.61nm and zeta potential of -16+/-2mV, suitable for cell internalization. TEM and SEM images showed individual, spherical, dispersed NPs. The drug entrapment efficacy was 61.86+/-3.9%. PLK2-NPs were able to enter SH SY5Y cells and phosphorylate alpha-syn at Ser-129, demonstrating that the enzyme retained its activity after the NP manufacturing process. This is the first study to develop a DDS for continuous intracellular delivery of PLK2. These promising results indicate that this novel nanotechnology approach could be used to elucidate the biological effects of PLK2 on dopaminergic neurons. PMID- 27863658 TI - Regulatory aspects in the pharmaceutical development of nanoparticle drug delivery systems designed to cross the intestinal epithelium and M-cells. AB - This article reviews the field of oral uptake of nanoparticles across the gastrointestinal epithelium for the period 2006-2016. Analysis is conducted from the viewpoint of i) M-cell genetics and model development, ii) drug targeting to Peyer's patches and M-cells, and iii) physicochemical interactions of nanoparticles in the intestinal milieu. In light of these recent developments, regulatory considerations in the development of orally-absorbable nanoparticle drug products are discussed and focused on Module 3.2.P sub-sections of the Common Technical Document. Particular attention is paid to novel excipients, ligands and the non-standard method of manufacture. The novelty of this drug delivery system demands not only a multi-disciplinary scientific and regulatory approach but also a risk-adjusted consideration for a system defined by both processes and specifications. Given the current state of scientific development in the field it is suggested (in the author's personal opinion) that the design of nanoparticulate drug delivery systems should be kept as simple as possible (from a regulatory and manufacturing perspective) and to target the entire gastrointestinal epithelium. PMID- 27863659 TI - Docetaxel-loaded liposomes: The effect of lipid composition and purification on drug encapsulation and in vitro toxicity. AB - Docetaxel (DTX)-loaded liposomes have been formulated to overcome DTX solubility issue, improve its efficacy and reduce its toxicity. This study investigated the effect of steric stabilisation, varying liposome composition, and lipid:drug molar ratio on drug loading and on the physicochemical properties of the DTX loaded liposomes. Size exclusion chromatography (SEC) was used to remove free DTX from the liposomal formulation, and its impact on drug loading and in vitro cytotoxicity was also evaluated. Liposomes composed of fluid, unsaturated lipid (DOPC:Chol:DSPE-PEG2000) showed the highest DTX loading compared to rigid, saturated lipids (DPPC:Chol:DSPE-PEG2000 and DSPC:Chol:DSPE-PEG2000). The inclusion of PEG showed a minimum effect on DTX encapsulation. Decreasing lipid:drug molar ratio from 40:1 to 5:1 led to an improvement in the loading capacities of DOPC-based liposomes only. Up to 3.6-fold decrease in drug loading was observed after liposome purification, likely due to the loss of adsorbed and loosely entrapped DTX in the SEC column. Our in vitro toxicity results in PC3 monolayer showed that non-purified, DTX-loaded DOPC:Chol liposomes were initially (24h) more potent than the purified ones, due to the fast action of the surface- adsorbed drug. However, we hypothesize that over time (48 and 72h) the purified, DTX-loaded DOPC:Chol liposomes became more toxic due to high intracellular release of encapsulated DTX. Finally, our cytotoxicity results in PC3 spheroids showed the superior activity of DTX-loaded liposomes compared to free DTX, which could overcome the DTX poor tissue penetration, drug resistance, and improve its therapeutic efficacy following systemic administration. PMID- 27863660 TI - Microfluidics based manufacture of liposomes simultaneously entrapping hydrophilic and lipophilic drugs. AB - Despite the substantial body of research investigating the use of liposomes, niosomes and other bilayer vesicles for drug delivery, the translation of these systems into licensed products remains limited. Indeed, recent shortages in the supply of liposomal products demonstrate the need for new scalable production methods for liposomes. Therefore, the aim of our research has been to consider the application of microfluidics in the manufacture of liposomes containing either or both a water soluble and a lipid soluble drug to promote co-delivery of drugs. For the first time, we demonstrate the entrapment of a hydrophilic and a lipophilic drug (metformin and glipizide respectively) both individually, and in combination, using a scalable microfluidics manufacturing system. In terms of the operating parameters, the choice of solvents, lipid concentration and aqueous:solvent ratio all impact on liposome size with vesicle diameter ranging from ~90 to 300nm. In terms of drug loading, microfluidics production promoted high loading within ~100nm vesicles for both the water soluble drug (20-25% of initial amount added) and the bilayer embedded drug (40-42% of initial amount added) with co-loading of the drugs making no impact on entrapment efficacy. However, co-loading of glipizide and metformin within the same liposome formulation did impact on the drug release profiles; in both instances the presence of both drugs in the one formulation promoted faster (up to 2 fold) release compared to liposomes containing a single drug alone. Overall, these results demonstrate the application of microfluidics to prepare liposomal systems incorporating either or both an aqueous soluble drug and a bilayer loaded drug. PMID- 27863661 TI - Doxorubicin enhances curcumin's cytotoxicity in human prostate cancer cells in vitro by enhancing its cellular uptake. AB - Doxorubicin (DOX) is a widely used drug in cancer treatment. Despite its popularity, it suffers from systemic side effects and susceptibility to drug resistance. Curcumin (CURC), on the other hand, is a drug that recently gained popularity due to its wide range of biological activities, including anti inflammatory and anti-cancer activities. Limitations to its clinical translation include its poor water solubility and the need for administration of high doses. Combinatory anti-cancer therapy has been proposed as a common approach to overcome one or more of these challenges. In this work, we propose a combinatory DOX and CURC anti-cancer therapy of prostate cancer cells in vitro. DOX and CURC were administered in the free drug and nanocapsule form, respectively. Cell size and complexity, cytotoxicity and apoptosis were studied by flow cytometry, MTT assay and sub-G1 quantification, respectively. Cellular uptake of CURC nanocapsules (CURC NCs) was quantified by fluorescence microscopy and high performance liquid chromatography fluorescence detection. Results showed that in vitro treatment with CURC NCs in the presence of subtherapeutic concentrations of DOX, led to significant increase in prostate cancer cells (PC3) apoptosis and death. This was likely due to significantly enhanced CURC uptake by the cells. The study presents a good rationale for pursuing combinatory CURC/DOX therapy in pre-clinical tumor animal models in the near future. PMID- 27863662 TI - Surface-assembled poly(I:C) on PEGylated PLGA microspheres as vaccine adjuvant: APC activation and bystander cell stimulation. AB - Biodegradable poly(lactic-co-glycolic acid) (PLGA) microspheres are potential vehicles to deliver antigens for vaccination. Because they lack the full capacity to activate professional antigen presenting cells (APCs), combination with an immunostimulatory adjuvant may be considered. A candidate is the synthetic TLR3 ligand polyriboinosinic acid-polyribocytidylic acid, poly(I:C), which drives cell mediated immunity. However, poly(I:C) has also been linked to the pathogenesis of autoimmunity, as affected by widespread stimulation of non-hematopoietic bystander cells. To address this aspect, we propose to minimize the poly(I:C) dose as well as to control the stimulation of non-immune bystander cells by poly(I:C). To facilitate the maturation of APCs with minimal poly(I:C) doses, we surface-assembled poly(I:C) onto PLGA microspheres. The microspheres' surface was further modified by poly(ethylene glycol) (PEG) coronas with varying PEG densities. PLGA microspheres loaded with tetanus toxoid (tt) as model antigen were manufactured by microextrusion-based solvent extraction. The negatively charged PLGA(tt) microspheres were coated with polycationic poly(l-lysine) (PLL) polymers, either PLL itself or PEG-grafted PLL (PLL-g-PEG) with varying grafting ratios (g=2.2 and g=10.1). Stable surface assembly of poly(I:C) was achieved by subsequent incubation of polymer-coated PLGA microspheres with aqueous poly(I:C) solutions. We evaluated the immunostimulatory potential of such PLGA(tt) microsphere formulations on monocyte-derived dendritic cells (MoDCs) as well as human foreskin fibroblasts (HFFs) as model for non-hematopoietic bystander cells. Formulations with surface-assembled poly(I:C) readily activated MoDCs with respect to the expression of maturation-related surface markers, proinflammatory cytokine secretion and directed migration. When surface-assembled, poly(I:C) enhanced its immunostimulatory activity by more than one order of magnitude as compared to free poly(I:C). On fibroblasts, surface-assembled poly(I:C) upregulated class I MHC but not class II MHC. Phagocytosis of PLGA(tt) microsphere formulations by MoDCs and HFFs remained mostly unaffected by PEG grafted PLL coatings. In contrast, high concentrations of free poly(I:C) led to a marked drop of microsphere phagocytosis by HFFs. Overall, surface assembly on PEGylated PLGA microspheres holds promise to improve both efficacy and safety of poly(I:C) as vaccine adjuvant. PMID- 27863663 TI - Preparation of theophylline inhalable microcomposite particles by wet milling and spray drying: The influence of mannitol as a co-milling agent. AB - Inhalable theophylline particles with various amounts of mannitol were prepared by combining wet milling in isopropanol followed by spray drying. The effect of mannitol as a co-milling agent on the micromeritic properties, solid state and aerosol performance of the engineered particles was investigated. Crystal morphology modelling and geometric lattice matching calculations were employed to gain insight into the intermolecular interactions that may influence the mechanical properties of theophylline and mannitol. The addition of mannitol facilitated the size reduction of the needle-like crystals of theophylline and also their assembly in microcomposites by forming a porous structure of mannitol nanocrystals wherein theophylline particles are embedded. The microcomposites were found to be in the same crystalline state as the starting material(s) ensuring their long-term physical stability upon storage. Incorporation of mannitol resulted in microcomposite particles with smaller size, more spherical shape and increased porosity. The aerosol performance of the microcomposites was markedly enhanced compared to the spray-dried suspension of theophylline wet milled without mannitol. Overall, wet co-milling with mannitol in an organic solvent followed by spray drying may be used as a formulation approach for producing respirable particles of water-soluble drugs or drugs that are prone to crystal transformation in an aqueous environment (i.e. formation of hydrates). PMID- 27863664 TI - Optimized synthesis and crystalline stability of gamma-cyclodextrin metal-organic frameworks for drug adsorption. AB - The biocompatible and renewable cyclodextrin metal-organic frameworks (CD-MOFs) have addressed a range of opportunities in molecular storage and separation sciences. The reported protocols for their synthesis, however, were carried out at room temperature over long time periods of time (24h), producing crystals of relatively poor uniformity. In this investigation, micron sized gamma-CD-MOFs were synthesized by an optimized vapor diffusion method at elevated temperature (50 degrees C) within 6h, after which the size control, crystalline stability and drug adsorption behavior were investigated in detail. In this manner, uniform cubic gamma-CD-MOF crystals were obtained when the reaction temperature was raised to 50 degrees C with pre-addition of the reaction solvent. The size of gamma-CD-MOFs was adjusted efficiently by changing the reactant concentrations, temperatures, time, gamma-CD ratios to KOH and surfactant concentrations, without influencing the porosity and crystallinity of the material markedly. Varing degrees of reduction in crystallinity and change in morphology were observed when the gamma-CD-MOF crystals are treated under conditions of high temperature (100 degrees C), high humidity (92.5%) and polar solvents (e.g., MeOH and DMF). In relation to drug adsorption by gamma-CD-MOFs, most of the drug molecules containing carboxyl groups showed relatively high adsorption (>5%), while low adsorption (<5%) was found for drugs with nitrogen-containing heterocyclic rings. In addition, the adsorption kinetics of captopril to standard gamma-CD-MOFs matched a pseudo-second-order model rather well, whilst captopril adsorption to the damaged gamma-CD-MOFs only partially matched the pseudo-second-order model. In summary, based upon the optimized synthesis and size control of gamma-CD-MOFs, the crystalline stability and drug adsorption characteristics of gamma-CD-MOF crystals have been evaluated as a fundamental requirement of a potential vehicle for drug delivery. PMID- 27863665 TI - Biodegradable hydrophilic carriers for the oral delivery of hematological factor IX for hemophilia B treatment. AB - Current protein replacement therapies for hemophilia B, a genetic bleeding disorder caused by a deficiency in coagulation factor IX, rely on IV injections and infusions. Oral delivery of factor IX is a desirable needle-free option, especially for prophylaxis. We have developed a biodegradable, pH-responsive hydrogel microcarrier system based on the poly(methacrylic acid)-grafted poly(ethylene glycol) [P(MAA-g-EG)]. Incorporation of an enzymatically degradable peptide crosslinking agent allows for site-specific degradation by trypsin in the small intestine. P(MAA-g-EG) polymer was synthesized by UV polymerization, and then subsequently crosslinked with peptide crosslinking agent using EDC-NHS chemistry. Physical characterization included FTIR for determining the composition of the peptide crosslinked polymer and SEM for microparticle morphology. The pH-responsive swelling and enzyme-specific degradation were confirmed by bright-field microscopy and the corresponding kinetics were determined by turbidimetric measurements. Evaluating the drug delivery application of this degradable system, factor IX release studies showed site specific release, and in vitro transport studies resulted in improved factor IX absorption. Incorporation of the degradable crosslinking agent significantly improved the delivery potential as compared to previously reported non-degradable drug delivery systems. Using this degradable P(MAA-g-EG) system as a delivery vehicle for factor IX can possibly lead to an orally administered prophylactic treatment for hemophilia B patients. PMID- 27863666 TI - Nasal powders of thalidomide for local treatment of nose bleeding in persons affected by hereditary hemorrhagic telangiectasia. AB - In this work nasal powder formulations of thalidomide were designed and studied to be used by persons affected by hereditary hemorrhagic telangiectasia as a complementary anti-epistaxis therapy, with the goal of sustaining the effect obtained with thalidomide oral treatment after its discontinuation for adverse effects. Three nasal powders were prepared using as carriers beta-CD or its more hydrophilic derivatives such as hydropropyl-beta-CD and sulphobutylether-beta-CD and tested with respect to technological and biopharmaceutical features after emission with active and passive nasal powder devices. For all formulated powders, improved dissolution rate was found compared to that of the raw material, making thalidomide promptly available in the nasal environment at a concentration favouring an accumulation in the mucosa. The very limited transmucosal transport measured in vitro suggests a low likelihood of significant systemic absorption. The topical action on bleeding could benefit from the poor absorption and from the fact that about 2-3% of the thalidomide applied on the nasal mucosa was accumulated within the tissue, particularly with the beta-CD nasal powder. PMID- 27863667 TI - Ibuprofen delivery into and through the skin from novel oxidized cellulose-based gels and conventional topical formulations. AB - The delivery of ibuprofen into and through the skin from novel formulations containing TEMPO-oxidized cellulose nanofibril-based (TOCN) gels was compared to that from two conventional and commercially available products. The gels were evaluated in-vitro (using both silicone membranes, and pig skin) and in-vivo in human volunteers. All gels showed consistent behaviour in a standard in vitro release test. The stratum corneum (SC) uptake and skin penetration of ibuprofen in vitro from the novel gels and the marketed formulations were generally comparable even though the drug loading in the TOCN-based vehicles was only 20% of that in the 'reference' products. In vivo, the new gels appeared to enhance drug uptake into the SC following a relatively short application time, again matching the performance of the commercial formulations. Taken together, the results of this research provide proof-of-concept for the idea that the sustainable, oxidized cellulose gels may provide more efficient drug delivery into and through the skin, thereby improving drug utilisation and reducing potential adverse effects when such formulations are applied chronically over large skin areas. PMID- 27863668 TI - Nanotechnologies for the treatment of colon cancer: From old drugs to new hope. AB - Colorectal cancer is a wide-reaching health problem due to its incidence and to the high mortality rates. Adjuvant chemotherapies have considerably improved the prognosis and/or the overall survival of patients with locally advanced and metastatic cancers. Nevertheless, their efficiency remains limited due to intrinsic and emerging multidrug resistance (MDR) of cancer cells, and to major adverse effects and dose limiting toxicities. The present review discusses the knowledge of clinically relevant mechanisms of resistance to cytotoxic and targeted therapies for the treatment of colorectal cancer, and focuses on the benefit of nanomedicine approach to circumvent these processes. Nanomedicaments should allow extensive cancer cell drug loading independent on cell surface transporters, -thus overwhelming drug metabolism and efflux-, but also alleviate side-effects related to tissue-dependent drug uptake. Finally, we provide an outline of preclinical and clinical studies of nanoparticles formulations for colorectal cancer treatment, and briefly discuss strategies to optimize the selective delivery of these nanomedicines to colorectal cancer cells. PMID- 27863669 TI - UV-curable gels as topical nail medicines:In vivo residence, anti-fungal efficacy and influence of gel components on their properties. AB - UV-curable gels, used as nail cosmetics for their in vivo durability, were reported to be promising as topical nail medicines. Our first aim was thus to investigate whether such durability applies to drug-loaded formulations. This was found to be true. However, ethanol inclusion in the pharmaceutical formulation (to enable drug loading) reduced the in vivo residence. The second aim was therefore to determine any other effects of ethanol, and if ethanol could be avoided by the choice of monomers. Thus, three methacrylate monomers, ethyl methacrylate, isobornyl methacrylate and 2-hydroxyethyl methacrylate (HEMA) were selected, and their influence on the formulation properties were determined. Ethanol and the methacrylate monomer influenced some (but not all) of the formulation properties. The most significant was that HEMA could dissolve drug and enable the preparation of ethanol-free, drug-loaded formulations, which would benefit in vivo residence. The absence of ethanol reduced drug loading, release and ungual flux, but had no negative impact on the in vitro anti-fungal efficacy. Thus, judicious selection of gel components enabled the exclusion of ethanol. The long in vivo residence, little residual monomers, sufficient ungual permeation and in vitro anti-fungal activity of the gels indicates their potential as anti onychomycotic topical medicines. PMID- 27863670 TI - Selection and fabrication of a non-woven polycarbonate urethane cover for a tissue engineered airway stent. AB - One of the major problems in end-stage bronchotracheal cancer is stenosis of the upper airways, either due to luminal ingrowth of the tumor or mucus plugging. Airway stents that suppress tumor ingrowth and sustain mucociliary transport can alleviate these problems in end-stage bronchial cancer. We evaluated different types of polymeric covers for a tissue engineered airway stent. The distinguishing feature of this stent concept is that respiratory epithelial cells can grow on the luminal surface of the stent which facilitates mucociliary clearance. To facilitate growth of epithelial cells at the air-liquid interface of the stent, we developed a polyurethane cover that allows transport of nutrients to the cells. Nonwoven polycarbonate urethane (PCU) covers were prepared by a spraying process and evaluated for their porosity and glucose permeability. Respiratory epithelial cells harvested from sheep trachea were cultured onto the selected PCU cover and remained viable at the air-liquid interface when cultured for 21days. Lastly, we evaluated the radial force of a PCU-covered nitinol stent, and showed the PCU covers did not adversely affect the mechanical properties of the stents for their intended application in the smaller bronchi. These in vitro data corroborate the design of a novel airway stent for palliative treatment of bronchotracheal stenosis by combination of stent technology with tissue-engineered epithelial cells. PMID- 27863671 TI - Oral transmucosal delivery of naratriptan. AB - Naratriptan (NAR) is currently used as the hydrochloride salt (NAR.HCl) for the treatment of migraine and is available in tablet dosage forms for oral administration. Buccal drug delivery offers a number of advantages compared with conventional oral delivery including rapid absorption, avoidance of first pass metabolism and improved patient compliance. We have previously prepared and characterised the base form of NAR and shown that it has more favourable properties for buccal delivery compared with NAR.HCl. This study describes the design and evaluation of a range of formulations for oral transmucosal delivery of NAR base. Permeation studies were conducted using excised porcine buccal tissue mounted in Franz cells. Of the neat solvents examined, Transcutol(r) P (TC) showed the greatest enhancement effects and was the vehicle in which NAR was most soluble. The mechanisms by which TC might promote permeation were further probed using binary systems containing TC with either buffer or Miglyol 812(r) (MG). Mass balance studies were also conducted for these systems. The permeation of TC as well as NAR was also monitored for TC:MG formulations. Overall, TC appears to promote enhanced membrane permeation of NAR because of its rapid uptake into the buccal tissue. Synergistic enhancement of buccal permeation was observed when TC was combined with MG and this is attributed to the increased thermodynamic activity of NAR in these formulations. Significantly enhanced permeation of NAR was achieved for TC:MG and this was also associated with less TC remaining on the tissue or in the tissue at the end of the experiment. To our knowledge this is the first report where both enhancer and active have been monitored in buccal permeation studies. The findings underline the importance of understanding the fate of vehicle components for rational formulation design of buccal delivery systems. PMID- 27863672 TI - Hot melt extruded transdermal films based on amorphous solid dispersions in Eudragit RS PO: The inclusion of hydrophilic additives to develop moisture activated release systems. AB - A series of Eudragit RS PO-based hot melt extruded films were evaluated as potential transdermal systems, with particular emphasis on the inclusion of hydrophilic excipients to allow water sorption, which in turn would allow drug release on application to the skin. More specifically, sucrose, methyl cellulose, xanthan gum (Xantural(r)75), poloxamer (Pluronic(r)F127), Gelucire 44/14 were added to Eudragit RS PO and assessed in terms of physical structure (modulated temperature DSC (MTDSC), thermogravimetric analysis (TGA), powder XRD (PXRD), scanning electron microscopy(SEM)) and in vitro drug release and permeation properties. In addition, the effect of prior hydration on drug permeation was studied for selected systems. Phase separation was noted for sucrose, methylcellulose (high loading), xanthan gum (high loading), poloxamer and Gelucire 44/14 (high loading) using both visual observation and MTDSC. PXRD studies indicated drug crystallization within the phase separated systems. SEM studies broadly followed the same pattern. Dissolution studies indicated that the hydrophilic excipients considerably enhanced the release rate, while Franz diffusion cell studies showed a much greater variability in effectiveness, which we ascribe to the paucity of water of hydration present which would not allow swellable additives such as xanthan to release the drug. However, films containing Gelucire 44/14 emerged as the most satisfactory systems, despite the higher additive loaded systems showing drug phase separation. This may be related to emulsification rather than swelling on contact with water, as noted for the permeation studies involving pre-hydration. This strategy therefore presents a promising approach for triggered transdermal drug delivery, activated by hydration from the skin itself. PMID- 27863673 TI - Laser irradiation to produce amorphous pharmaceuticals. AB - Using a high-power CO2 laser to irradiate powder beds, it was possible to induce phase transformation to the amorphous state. Irradiation of a model drug, indometacin, resulted in formation of a glass. Varying the settings of the laser (power and raster speed) was shown to change the physicochemical properties of the glasses produced and all irradiated glasses were found to be more stable than a reference glass produced by melt-quenching. Irradiation of a powder blend of paracetamol and polyvinylpyrrolidone K30 was found to produce a solid amorphous dispersion. The results suggest that laser-irradiation might be a useful method for making amorphous pharmaceuticals. PMID- 27863674 TI - Fused-filament 3D printing of drug products: Microstructure analysis and drug release characteristics of PVA-based caplets. AB - Fused deposition modeling (FDM) 3-Dimensional (3D) printing is becoming an increasingly important technology in the pharmaceutical sciences, since it allows the manufacture of personalized oral dosage forms by deposition of thin layers of material. Here, a filament extruder was used to obtain filaments of polyvinyl alcohol (PVA) containing paracetamol or caffeine appropriate for 3D printing. The filaments were used to manufacture caplets for oral administration by FDM 3D printing, with the aim of evaluating the effect of the internal structure (micropore volume), drug loading and composition on drug dissolution behaviour. Micropore volume of the caplets was primarily determined by the presence of large pores due to gaps in the printed layers/net while printing, and the porosity of the caplets was 10 fold higher than the porosity of the extruded filament. Dynamic dissolution drug release tests on the caplets in biorelevant bicarbonate media revealed distinctive release profiles, which were dependent on drug solubility and drug loading. Porosity of the caplets did not help to predict the different drug release profiles. This study confirms the potential of 3D printing to fabricate caplets and helps to elucidate which factors influence drug release from this type of new dosage form. PMID- 27863675 TI - Age-appropriate and acceptable paediatric dosage forms: Insights into end-user perceptions, preferences and practices from the Children's Acceptability of Oral Formulations (CALF) Study. AB - A lack of evidence to guide the design of age-appropriate and acceptable dosage forms has been a longstanding knowledge gap in paediatric formulation development. The Children's Acceptability of Oral Formulations (CALF) study captured end-user perceptions and practices with a focus on solid oral dosage forms, namely tablets, capsules, chewables, orodispersibles, multiparticulates (administered with food) and mini-tablets (administered directly into the mouth). A rigorous development and testing phase produced age-adapted questionnaires as measurement tools with strong evidence of validity and reliability. Overall, 590 school children and adolescents, and 428 adult caregivers were surveyed across hospitals and various community settings. Attitudes towards dosage forms primarily differed based on age and prior use. Positive attitudes to tablets and capsules increased with age until around 14 years. Preference was seen for chewable and orodispersible preparations across ages, while multiparticulates were seemingly less favourable. Overall, 59.6% of school children reported willingness to take 10mm diameter tablets, although only 32.1% of caregivers perceived this size to be suitable. While not to be taken as prescriptive guidance, the results of this study provide some evidence towards rational dosage form design, as well as methodological approaches to help design tools for further evaluation of acceptability within paediatric studies. PMID- 27863676 TI - My dear friend Professor Alexander Taylor Florence the epitome of British humour and elegance, who has had a tremendous influence on the Japanese pharmaceutical community. PMID- 27863677 TI - An observational study of the effect of vibration on the caking of suspensions in oily vehicles. AB - An oily suspension of penethamate (PNT) that was physically stable on storage, caked solidly during road/air transport. This paper reports on the caking behaviour of PNT oily suspension formulations exposed to vibrations in a lab based test designed to simulate road/air transport. The lab-test was used to study the effects of container type (glass v PET) and formulation (oil, surfactant type and concentration) on the physical stability of suspension under vibration. Redispersibility of the sediment was lower at longer vibrations times and at higher intensity of vibration. Caking on vibration was strongly influenced by the type of container (caking in glass but not in PET) possibly due to tribo charging of particles. Caking on vibration was dependent on the formulation: type and concentration of surfactant; type of oil. The physical stability of oily suspensions, and the effect of vibration are two areas which have been largely neglected in the pharmaceutical literature. This paper discusses some potential mechanisms for the observations but studies using fully characterised materials are required. Finally we conclude that static testing of physical stability of oily suspensions is not sufficient and that a vibrational stress test is required. PMID- 27863678 TI - Formulation and characterization of a liquid crystalline hexagonal mesophase region of phosphatidylcholine, sorbitan monooleate, and tocopherol acetate for sustained delivery of leuprolide acetate. AB - Although liquid crystal (LC) systems have been studied before, their utility in drug delivery applications has not been explored in depth. This study examined the development of a 1-month sustained release formulation of leuprolide acetate using an in situ-forming LC matrix. The phase progression upon water absorption was tested through construction of ternary phase diagrams of phosphatidylcholine, sorbitan monooleate, and tocopherol acetate (TA) at increasing water content. Small angle X-ray scattering revealed the presence of lamellar and hexagonal mesophases. The physicochemical characteristics and in vitro drug release were evaluated as a function of the ternary component ratio and its resultant phase behavior. Formulations with increased water uptake capacity displayed greater drug release and enhanced erodability. Removal of TA resulted in increased water uptake capacity and drug release, where 8% (w/w) TA was determined as the critical concentration threshold for divergence of release profiles. In conclusion, characterization of the resultant HII mesophase region provided information of the impact the individual components have on the physicochemical properties and potential drug release mechanisms. This high mitigating impact of TA on drug release indicates the use of TA as a tailoring agent, broadening the therapeutic applications of this LC system. PMID- 27863679 TI - Effect of moisture sorption on the performance of crospovidone. AB - Crospovidone is a commonly used tablet disintegrant. However, the synthetic disintegrant has been known to be hygroscopic and high moisture content in crospovidone used could exert deleterious effects on tablets formulated with it. The objective of this study was to elicit a better understanding between crospovidone-water interaction and its effect on disintegrant performance. Moisture sorption and desorption isotherms were obtained together with the enthalpy of immersion. Crospovidone samples stored at four relative humidities were used to formulate tablets and the resultant tablets were evaluated for their mechanical, dimensional and disintegratability attributes. Analyses of the moisture sorption isotherms indicated that externally adsorbed moisture accounted for the bulk of the total moisture content in crospovidone, with minimal amount of moisture absorbed intramolecularly. Enthalpy of immersion became less exothermic with crospovidone samples stored at increasing storage humidity. Correspondingly, improvement in disintegration time became less pronounced. This was postulated to be a consequence of premature wetting of the particle surfaces by externally adsorbed moisture. High humidity was also detrimental to tablet hardness and thickness. In conclusion, the impact of moisture sorption during storage by excipients such as crospovidone could be better understood by the appreciation of crospovidone-water interaction and its consequence on tablet quality. PMID- 27863680 TI - In honor of Prof. A.T. Florence. PMID- 27863682 TI - Professor A.T. Florence: A towering figure in Pharmaceutics. PMID- 27863681 TI - Combinatorial nanodiamond in pharmaceutical and biomedical applications. AB - One of the newly emerging carbon materials, nanodiamond (ND), has been exploited for use in traditional electric materials and this has extended into biomedical and pharmaceutical applications. Recently, NDs have attained significant interests as a multifunctional and combinational drug delivery system. ND studies have provided insights into granting new potentials with their wide ranging surface chemistry, complex formation with biopolymers, and combination with biomolecules. The studies that have proved ND inertness, biocompatibility, and low toxicity have made NDs much more feasible for use in real in vivo applications. This review gives an understanding of NDs in biomedical engineering and pharmaceuticals, focusing on the classified introduction of ND/drug complexes. In addition, the diverse potential applications that can be obtained with chemical modification are presented. PMID- 27863683 TI - Thirty years with cyclodextrins. AB - This paper reviews the work carried out on cyclodextrins during some thirty years at the Institut Galien Paris-Sud, UMR CNRS 8612, Universite Paris-Sud. It represents the normal evolution of this domain of science and the numerous possibilities of cyclodextrins for being a tool adaptable to the most complex situations. The works which have been carried out concern: the investigation of general characteristics of cyclodextrins and derivatives, the preparation and evaluation of inclusion complexes, the use of cyclodextrins in the preparation of drug delivery systems, the various possibilities offered by cyclodextrins and their derivatives for nanoparticle preparation and finally the use of cyclodextrins for the preparation of biomaterials is evoked. PMID- 27863684 TI - Sandy Florence: The renaissance man. PMID- 27863685 TI - The gut in the beaker: Missing the surfactants? AB - Gastrointestinal drug administration is the preferred route for the majority of drugs however, the natural physiology and physicochemistry of the gastrointestinal tract is critical to absorption but complex and influenced by factors such as diet or disease. The pharmaceutical sciences drive for product consistency has led to the development of in vitro product performance tests whose utility and interpretation is hindered by the complexity, variability and a lack of understanding. This article explores some of these issues with respect to the drug, formulation and the presence of surfactant excipients and how these interact with the natural bile salt surfactants. Interactions start in the mouth and during swallowing but the stomach and small intestine present the major challenges related to drug dissolution, solubility, the impact of surfactants and supersaturation along with precipitation. The behaviour of lipid based formulations and the influence of surfactant excipients is explored along with the difficulties of translating in vitro results to in vivo performance. Possible future research areas are highlighted with the conclusion that, "a great deal of work using modern methods is still required to clarify the situation". PMID- 27863686 TI - Formulation design space for stable, pH sensitive crystalline nifedipine nanoparticles. AB - Enteric coated formulations protect drugs from degrading in the harsh environment of the stomach (acidic pH and enzymes), and promotes drug delivery to and absorption into the duodenum and/or later parts of the intestine. Four DoE models were applied to optimize formulation parameters for the preparation of pH sensitive nifedipine nanoparticles. Stability studies were performed on the optimized formulations to monitor any possible variation in particle size distribution, homogeneity index, surface charge and drug release (pH 1.2 and pH 6.8). Stability studies were performed for 3 months at 4 degrees C, 25 degrees C and 40 degrees C. A combination of Eudragit(r)L 100-55 and polyvinyl alcohol was determined to be the most effective in stabilizing the nanoparticle suspension. The average particle size distribution, polydispersity index and surface charge of the optimized pH sensitive nifedipine nanoparticles were determined to be 131.86+/-8.21nm, 0.135+/-0.008 and -7.631+/-0.146mV, respectively. Following three months storage, it was observed that the formulations stored at 4 degrees C were stable in terms of particle size distribution, polydispersity index, surface charge, drug loading and drug release, whereas those stored at 25 degrees C and 40 degrees C were relatively unstable. A predictive model to prepare stable pH sensitive nifedipine nanoparticles, was successfully developed using multiple linear regression analysis. PMID- 27863687 TI - Sandy Florence, a man of many talents! PMID- 27863688 TI - Determination of the activity of maleimide-functionalized phospholipids during preparation of liposomes. AB - Numerous examples exist in the literature for the use of maleimide-thiol reactions in the area of functionalized nanoparticles. Although the hydrolysis tendency of maleimides is well-known, qualitative and quantitative information on the stability and reactivity of maleimide groups during preparation and in final formulations are missing. This is surprising, since hydrolysis of maleimides prevents nanoparticle functionalization and results in an increase of negative surface charge due to the hydrolysis product maleic acid. In this study we investigated the stability of 1,2-distearoyl-sn-glycero-3-phosphoethanolamine-N [maleimide-2000] (DSPE-PEG2000-Mal) during the preparation of liposomes via two common preparation methods, which can be distinguished by the insertion of DSPE PEG2000-Mal during or after the liposome formation process (pre-insertion and post-insertion process). The liposomes prepared by the pre-insertion method had 63% active maleimide groups remaining on their surface. The activity decreased dramatically during the purification process down to 32%. The preparation by post insertion showed minimal effects with regard to maleimide activity. 76% of maleimide groups were active and therefore available for coupling reaction. By identifying active maleimide groups on the surface of the final formulations, the presented work revealed the dramatic impact of preparation methods on the activity of maleimide groups. PMID- 27863689 TI - Endophthalmitis. PMID- 27863690 TI - Cocoon syndrome with hepatic involvement. Incidental finding during orthotopic liver transplantation. PMID- 27863691 TI - Atypical location of a glomus tumor in the liver. PMID- 27863692 TI - Intrahepatic Masson tumor (intravascular papillary endothelial hyperplasia). PMID- 27863693 TI - Surgical treatment of non-functioning pancreatic neuroendocrine tumours based on three clinical scenarios. AB - INTRODUCTION: The treatment of patients with non-functioning pancreatic neuroendocrine tumours (NFPNET) is resection in locally pancreatic disease, or with resectable liver metastases. There is controversy about unresectable liver disease. METHODS: We analysed the perioperative data and survival outcome of 63 patients who underwent resection of NFPNET between 1993 and 2012. They were divided into 3 scenarios: A, pancreatic resection (44patients); B, pancreatic and liver resection in synchronous resectable liver metastases (12patients); and C, pancreatic resection in synchronous unresectable liver metastases (6patients). The prognostic factors for survival and recurrence were studied. RESULTS: Distal pancreatectomy (51%) and pancreaticoduodenectomy (38%) were more frequently performed. Associated surgery was required in 44% of patients, including synchronous liver resections in 9patients. Two patients received a liver transplant during follow-up. According to the WHO classification they were distributed into G1: 10 (16%), G2: 45 (71%), and G3: 8 (13%). The median hospital stay was 11days. Postoperative morbidity and mortality were 49% and 1.6%, respectively. At the closure of the study, 43 (68%) patients were still alive, with a mean actuarial survival of 9.6years. The WHO classification and tumour recurrence were risk factors of mortality in the multivariate analysis. The median actuarial survival by scenarios was 131months (A), 102months (B), and 75months (C) without statistically significant differences. CONCLUSIONS: Surgical resection is the treatment for NFPNET without distant disease. Resectable liver metastases in well-differentiated tumours must be resected. The resection of the pancreatic tumour with unresectable synchronous liver metastasis must be considered in well-differentiated NFPNET. The WHO classification grade and recurrence are risk factors of long-term mortality. PMID- 27863694 TI - Titanium posts and bonded amalgam core longevity: A 22-year clinical survival retrospective study. AB - BACKGROUND: The authors conducted a retrospective study to evaluate the long-term (18-22 years) clinic results of titanium post and bonded amalgam core restorations with metal-ceramic crowns placed in patients. METHODS: From 1992 through 1996, the authors placed 88 restorations in 66 patients. They measured the ferrule effect in the minor dentin collar area. In 2014, the authors analyzed the following variables: ferrule length, length and thickness of the post, and tooth position. RESULTS: The overall survival of the restorations decreased over time with survival rates of 89.6% after 5 years of follow-up appointments and 64.2% after 18 years of follow-up appointments. There were 42 failures, and the maxillary premolars had the most failures. The teeth with 2 or more millimeters ferrule length had a higher survival rate than those with a 0 to less than 2 mm ferrule length; these results were not statistically significant. CONCLUSIONS: Statistically significant differences were detected according to the location of the tooth. The cores in the anterior teeth were 3.26 times more likely to fail than those in the molars, which presented higher survival rates; maxillary premolars had the most failures (28.5%). Both the metallic post length and its diameter did not influence restoration survival. The ferrule length was not statistically significant. PRACTICAL IMPLICATIONS: The clinical technique to restore endodontically treated teeth that includes a titanium post and bonded amalgam restorations results in greater coronal destruction but shows good long term results, ease of fabrication, and modest cost in comparison with other techniques. PMID- 27863695 TI - Analysis of a Low Dose Protocol to Reduce Patient Radiation Exposure During Percutaneous Coronary Interventions. AB - The cardiac catheterization laboratory is an important source of radiation for patients and operators and it is good practice to limit exposure as much as possible. The purpose of this study was to evaluate the effectiveness and impact of a radiological low dose protocol (LDP) in terms of reduction in patient radiation exposure during percutaneous coronary interventions (PCIs). From November 2014 to October 2015, 906 consecutive patients who underwent PCI were evaluated. Of these, 571 patients (63%) were treated with the standard dose protocol (SDP) of 15 frames per second for cine acquisition and standard settings for fluoroscopy, and 335 patients (37%) with the LDP of 7.5 frames per second for cine acquisition and low-dose settings for fluoroscopy. In the LDP group, we observed a significant reduction of kerma area product (53.3 LDP vs 115 SDP Gycm2, p <0.0001) and air kerma at interventional reference point (0.79 LDP vs 1.976 SDP Gy, p <0.0001). Marked differences were observed regarding the exceeding of International Commission on Radiological Protection and National Council on Radiation Protection and Measurements' air kerma at interventional reference point trigger level (cutoff for potential skin injuries), which were significantly lower in the LDP group (1.8% vs 7.2%, p <0.0001). Such difference was more relevant in complex PCI. In conclusion, the implementation of LDP allowed a marked reduction in patient dosimetric parameters for PCI and significantly reduced the risk of exceeding the International Commission on Radiological Protection/National Council on Radiation Protection and Measurements trigger levels for potential skin injuries. PMID- 27863696 TI - A Discussion of Contemporary Nomenclature, Diagnosis, Imaging, and Management of Patients With Hypertrophic Cardiomyopathy. PMID- 27863697 TI - A new model for the study of neuropathic pain after brachial plexus injury. AB - The study was to introduce a new and reliable behavioral model of upper trunk of brachial plexus avulsion for the study of persistent neuropathic pain. 60 rats were divided into three groups randomly: upper trunk of brachial plexus avulsion (UTBPA) group (20), global brachial plexus avulsion (GBPA) group (20), and sham- operated group (20). The animals were tested for behavioral responsiveness before surgeries and 3, 7, 14, 21, 28, 56, 84days after surgeries. The injured level of spinal cord was resected and the sections were processed for GFAP (astrocyte) and Iba1 (microglia) immunohistochemistry 3 weeks after surgeries. The UTBPA group developed significant signs both of mechanical and cold hypersensitivity, which matched the immunohistochemistry result, as well as the nature of avulsion was close to the clinical type of injury, the UTBPA group could be used as a suitable and effective persistent neuropathic pain model following brachial plexus injury. PMID- 27863699 TI - Systematic review and meta-analysis of prostatic artery embolisation for lower urinary tract symptoms related to benign prostatic hyperplasia. AB - AIM: To evaluate the efficacy of prostatic artery embolisation (PAE) in lower urinary tract symptoms (LUTS) related to benign prostatic hyperplasia (BPH) at short- and mid-term follow-up. MATERIALS AND METHODS: The current study included 484 BPH patients from seven eligible studies. A meta-analysis was performed to determine the mean differences in parameters associated with LUTS, including the international prostate symptom score (IPSS), peak urinary flow (Qmax), post-void residual volume (PVR), quality of life score (QoL), prostate-specific antigen level (PSA), and prostatic volume (PV), between baseline and follow-up periods. RESULTS: Nearly all parameters at follow-up of 3-24 months were significantly improved compared to the baseline. Mean differences in IPSS at 3, 6, 12, and 24 months were -14.06 (95% confidence interval [CI]: -16.47 to -11.64), -12.32 (95% CI: -15.57 to -9.08), -16.41 (95% CI: -19.81 to -13.02), and -17 (95% CI: -17.91 to -16.09), respectively. In addition, mean differences of Qmax, PVR, PV, and QoL between the follow-up period and baseline were improved significantly; however, there were no significant differences in PSA at 24 months. CONCLUSION: The present data shows that PAE could improve LUTS by BPH after short- and mid-term follow-up; however, more cumulative studies for long-term follow-up and comparison with other therapeutic modalities will be needed. PMID- 27863700 TI - The Journal of Comparative Pathology Educational Trust 2016 Awards. PMID- 27863698 TI - Striatal H3K27 Acetylation Linked to Glutamatergic Gene Dysregulation in Human Heroin Abusers Holds Promise as Therapeutic Target. AB - BACKGROUND: Opiate abuse and overdose reached epidemic levels in the United States. However, despite significant advances in animal and in vitro models, little knowledge has been directly accrued regarding the neurobiology of the opiate-addicted human brain. METHODS: We used postmortem human brain specimens from a homogeneous European Caucasian population of heroin users for transcriptional and epigenetic profiling, as well as direct assessment of chromatin accessibility in the striatum, a brain region central to reward and emotion. A rat heroin self-administration model was used to obtain translational molecular and behavioral insights. RESULTS: Our transcriptome approach revealed marked impairments related to glutamatergic neurotransmission and chromatin remodeling in the human striatum. A series of biochemical experiments tracked the specific location of the epigenetic disturbances to hyperacetylation of lysine 27 of histone H3, showing dynamic correlations with heroin use history and acute opiate toxicology. Targeted investigation of GRIA1, a glutamatergic gene implicated in drug-seeking behavior, verified the increased enrichment of lysine 27 acetylated histone H3 at discrete loci, accompanied by enhanced chromatin accessibility at hyperacetylated regions in the gene body. Analogous epigenetic impairments were detected in the striatum of heroin self-administering rats. Using this translational model, we showed that bromodomain inhibitor JQ1, which blocks the functional readout of acetylated lysines, reduced heroin self administration and cue-induced drug-seeking behavior. CONCLUSIONS: Overall, our data suggest that heroin-related histone H3 hyperacetylation contributes to glutamatergic transcriptional changes that underlie addiction behavior and identify JQ1 as a promising candidate for targeted clinical interventions in heroin use disorder. PMID- 27863702 TI - Detecting asymptomatic rams infected with Mycoplasma agalactiae in ovine artificial insemination centers. AB - Mycoplasma agalactiae (Ma) is the main causative agent of ovine contagious agalactia, which is a serious disease of small ruminants. In endemic areas, its most common clinical situation consists of chronically infected herds, and asymptomatic infected individuals represent an epidemiological risk regarding the transmission of this disease. The aim of this work was to detect the presence of asymptomatic rams infected with Ma in different artificial insemination centers, and to determine the most effective way to identify these individuals so as to implement adequate surveillance protocols. For this purpose, 215 rams and 14 teaser sheep were sampled taking auricular, nasal, and vaginal swabs and serum samples. In addition, ejaculates from 147 rams were analyzed. These samples were subjected to specific culture and molecular techniques to isolate and identify mycoplasmas, and to a serological test to detect antibodies against Ma. Mycoplasma agalactiae was detected in 47 (4.4%) of the 1077 samples analyzed, and also one individual resulted seropositive. Thus, 37 (17.2%) of the 215 studied rams were infected with Ma. The specimens which proportionally yielded the greatest number of positive results for this pathogen were semen samples (13.6%), followed by nasal swabs (5.8%). In contrast, the sampling of the external auricular canal and the serological analyses resulted insufficient to effectively detect infected individuals. Asymptomatic rams infected with Ma were detected in all the analyzed artificial insemination centers, highlighting the need to implement adequate surveillance protocols to prevent the presence of these individuals in these centers, reducing the risk of transmitting contagious agalactia. PMID- 27863703 TI - Reprint of: Object-based attentional facilitation and inhibition are neuropsychologically dissociated. AB - Salient peripheral cues produce a transient shift of attention which is superseded by a sustained inhibitory effect. Cueing part of an object produces an inhibitory cueing effect (ICE) that spreads throughout the object. In dynamic scenes the ICE stays with objects as they move. We examined object-centred attentional facilitation and inhibition in a patient with visual form agnosia. There was no evidence of object-centred attentional facilitation. In contrast, object-centred ICE was observed in 3 out of 4 tasks. These inhibitory effects were strongest where cues to objecthood were highly salient. These data are evidence of a neuropsychological dissociation between the facilitatory and inhibitory effects of attentional cueing. From a theoretical perspective the findings suggest that 'grouped arrays' are sufficient for object-based inhibition, but insufficient to generate object-centred attentional facilitation. PMID- 27863701 TI - The many wounds of war: The association of service-related and clinical characteristics with problems with the law in Iraq and Afghanistan veterans. AB - Previous research has demonstrated that veterans with posttraumatic stress disorder (PTSD) are at higher risk for aggression, hostility, and anger, potentially leading to problems with the law or disciplinary action while in the military. There have been calls for increased consideration of the unique aspects of the judicial system in legal matters with veterans involved. The bulk of the research so far has considered the link between PTSD, traumatic brain injury (TBI), and combat exposure, but little is known about the potential role of chronic pain and Military Sexual Trauma (MST) in a veteran's experience of anger, aggression, and discipline while in the military and legal concerns. The present study used retrospective cross-sectional health screening data in a sample of 1250 Iraq and Afghanistan veterans to examine the associations of demographic, service-related, and clinical characteristics with self-reported legal problems. A total of 440 veterans (34.6%) endorsed having experienced some type of problems with the law. Independent logistic regression analyses demonstrated that those who screened positive for PTSD, MST, TBI, and clinical levels of pain were more likely to report legal problems; only the associations with positive PTSD (p=0.001) and MST (p=0.007) screens remained significant in multivariate regression analyses. The findings underscore the need for a thorough psychological evaluation when veterans are involved in the legal system with a special emphasis on factors prevalent to Iraq and Afghanistan veterans. PMID- 27863704 TI - Cardiovascular Effects of Glucose-lowering Therapies for Type 2 Diabetes: New Drugs in Perspective. AB - PURPOSE: The purpose of this study was to review the results of clinical trials assessing the cardiovascular effects of drugs for type 2 diabetes and the cardiovascular effects of newer available drugs. METHODS: We performed a detailed search of PubMed-listed publications, reports from international meetings, and ongoing studies from clinical trials.gov. FINDINGS: Currently available drugs have neutral or, in some cases, negative effects on cardiovascular outcomes. Modern sulfonylureas appear to be safe, although the biguanide metformin has a slightly better cardiovascular safety profile than the sulfonylureas and is the first choice for monotherapy. The cardiovascular tolerability of thiazolidinediones (glitazones) remains controversial, with particularly adverse effects in patients with cardiac failure. The cardiovascular effects of insulin in type 2 diabetes appear neutral. Newer incretin-based therapies have been closely examined in a large number of clinical trials, some of which are still ongoing. The dipeptidyl peptidase-4 inhibitor (gliptins) trials to date have all found a neutral effect. Of the glucagon-like peptide-1 (GLP-1) agonists, lixisenatide had a neutral effect, whereas liraglutide and semaglutide had a benefit on outcomes. The results of the sodium-glucose transporter-2 (SGLT-2) inhibitor empaglifozin attracted interest when it was the first to report a strong benefit on cardiovascular mortality. Liraglutide and semaglutide had a neutral effect on cardiac failure admissions, whereas empaglifozin had a benefit. In each of the trials, there was not a clear effect on myocardial infarction and stroke. The mechanism of the cardiovascular benefit is debated, and further studies with other GLP-1 agonists and SGLT-2 inhibitors are awaited. IMPLICATIONS: After 2 decades of disappointment in attempting to control cardiovascular progression in type 2 diabetes with careful glycemic control, there is distinct hope that newer drugs, particularly the GLP-1 agonists and the SGLT-2 inhibitors, will have cardiovascular benefits independent of glycemic control. PMID- 27863705 TI - Intake of selective beta blockers has no impact on survival in patients with epithelial ovarian cancer. AB - BACKGROUND AND OBJECTIVE: Some authors have claimed a significant impact of beta blocking agents on outcome in epithelial ovarian cancer (EOC). This study investigated the impact of concurrent medication with selective beta blockers (SBB) in patients undergoing primary treatment for EOC. METHODS: The study included all consecutive patients with primary EOC treated in two tertiary gynecological-oncologic units between 1999 and 2014. Medication was retrospectively analyzed by chart review. RESULTS: The study cohort comprised 801 patients, of whom 141 (17.6%) had received SBB. Median age of patients without SBB medication was 56years (range: 19-90years) and 64years (range: 41-84years) in patients taking SBB (p<0.001). The main prognostic factor FIGO stage did not differ between both cohorts. 63.8% of patients taking SBB underwent complete tumor resection compared to 74.2% of patients without SBB (p=0.012). Patients without SBB experienced less severe post-operative complications according to the Clavien-Dindo classification (18.8% vs 29.0%; p=0.003). Between the both groups without and with SBB intake, PFS and OS did not differ significantly (PFS: 27months and 24months, p=0.40; OS: 56months and 44, p=0.15). Multivariate analyses did not yield any association between SBB intake and prognosis but confirmed well-known prognostic factors. CONCLUSIONS: Intake of selective beta blockers did not influence the prognosis of patients with EOC. PMID- 27863707 TI - Outcomes in childhood following therapeutic hypothermia for neonatal hypoxic ischemic encephalopathy (HIE). AB - In this article, we review the childhood outcomes of neonates with birth depression and/or hypoxic-ischemic encephalopathy. The outcomes of these children prior to the era of hypothermia for neuroprotection will first be summarized, followed by discussion of results from randomized controlled trials of therapeutic hypothermia for neonatal hypoxic-ischemic encephalopathy. The predictors of outcome in childhood following neonatal HIE using clinical and imaging biomarkers following hypothermia therapy will be described. PMID- 27863706 TI - Advanced neuroimaging and its role in predicting neurodevelopmental outcomes in very preterm infants. AB - Up to 35% of very preterm infants survive with neurodevelopmental impairments (NDI) such as cognitive deficits, cerebral palsy, and attention deficit disorder. Advanced MRI quantitative tools such as brain morphometry, diffusion MRI, magnetic resonance spectroscopy, and functional MRI at term-equivalent age are ideally suited to improve current efforts to predict later development of disabilities. This would facilitate application of targeted early intervention therapies during the first few years of life when neuroplasticity is optimal. A systematic search and review identified 47 published studies of advanced MRI to predict NDI. Diffusion MRI and morphometry studies were the most commonly studied modalities. Despite several limitations, studies clearly showed that brain structural and metabolite biomarkers are promising independent predictors of NDI. Large representative multicenter studies are needed to validate these studies. PMID- 27863708 TI - Nuclear distribution of the chromatin-remodeling protein ATRX in mouse early embryogenesis. AB - The nucleus of mammalian embryos differs by transcriptional activity at different stages of early development. Here, we studied nuclear distribution of the chromatin-remodeling protein ATRX in pre-implantation mouse embryos. Immunofluorescent staining revealed the changes of ATRX nuclear distribution at the initial stages of early mouse development. At the stage of early zygote, a diffuse ATRX distribution pattern was prevalent. During the course of zygotic genome activation (ZGA), zones of increased ATRX concentration are observed, and they are most expressed in the nuclei of late 2-cell embryos. In the morula stage, the ATRX distribution becomes diffuse again. In zygotes, the patterns of ATRX distribution differ between male and female pronuclei. At all the stages, ATRX concentrates in the DAPI-positive areas of condensed chromatin. The level of colocalization between ATRX and heterochromatin was found the highest at the late 2-cell stage. When transcription was artificially suppressed, the pattern of intranuclear ATRX distribution was mostly determined by the mechanism of inhibitor action rather than the decreased level of transcriptional activity. Thus, the obvious changes of ATRX distribution occur and partially correlate with the main stages of ZGA during mouse early development, but these changes seem to be determined by other processes of structural and functional rearrangements of blastomere nuclei. PMID- 27863709 TI - The neuronal basis of copper induced modulation of anxiety state in rat. AB - Recently, studies have provided strong evidence indicating the involvement of trace elements in the physiopathology of psychiatric disorders, particularly anxiety. We aimed, through the present study, to describe the effect of acute exposure to Cu (10mg/kg BW) on anxiety state together with the serotoninergic and dopaminergic systems in rat by means of neurobehavioral tests (elevated plus maze, dark light box) and immunohistochemistry using anti-serotonin (5HT) and anti-tyrosine hydroxylase (TH). Our data report that Cu enhanced 5HT innervation in the dorsal raphe nucleus (DRN) together with a loss of TH expression within the ventral tegmental area (VTA), Substantia nigra compacta (SNc) and their subsequent outputs including the medial forebrain bundle (MFB) and striatum. In the elevated plus maze Cu significantly increased the time and the number of entries into the open arms, and raised the time spent in the Dark Box indicating a clear reduced anxiety state induced by Cu. The present data show for the first time a powerful neuro-modulatory potential of Cu in rat which involves primarily a dysfunction of 5HT and DA neurotransmissions. PMID- 27863711 TI - N-Acylated chitosan bis(arylcarbamate)s: A class of promising chiral separation materials with powerful enantioseparation capability and high eluents tolerability. AB - In order to comprehensively understand the influence of coordination of the substituent at 2-position with those at 3- and 6-positions on the properties of chitosan derivatives, a series of chitosan 3,6-bis(arylcarbamate)-2-(amide)s (CACAs) and the related chiral stationary phases (CSPs) were prepared and reported in the present study. Specifically, chitosan was N-acylated with carboxylic acid anhydrides, and then further derivatized with various aryl isocyanates to afford CACAs, from which a class of coated-type CSPs were prepared. When the substituent introduced on the acyl group at 2-position and those on the phenyl group of the carbamates at 3- and 6-positions were fittingly combined, these prepared CACAs based CSPs would exhibit powerful chiral recognition ability, further resulting in a class of promising chiral separation materials with excellent enantioseparation performance. Meanwhile, these newly developed materials with suitable molecular weight also bear a high tolerability towards organic solvents, even including pure tetrahydrofuran, thus broadening their application in enantiomeric separation. PMID- 27863710 TI - Predictors of remission from generalized anxiety disorder and major depressive disorder. AB - BACKGROUND: The predictors of onset of major depressive disorder (MDD) and generalized anxiety disorder (GAD) are well-characterized. However the factors that predict remission from these conditions are less clear, and the study of this area is further complicated by differing definitions of remission. METHODS: Data come from the National Comorbidity Survey - Replication, and analysis was limited to respondents with a lifetime history of GAD (n=621) or MDD (n=1299) assessed by the Composite International Diagnostic Interview. Predictors of remission included demographic factors, adverse childhood events, family history, and clinical characteristics. Multiple definitions of remission were explored to account for residual symptoms. RESULTS: Half (54.4%) of respondents with MDD and 41.1% of respondents with GAD experienced full remission. Older age and higher socioeconomic status were positively related to remission in a dose-response manner for both disorders. Adverse childhood experiences and family history of anxious/depressive symptoms were negatively associated with remission from MDD. Comorbid GAD was inversely associated with remission from MDD (Odds ratio (OR): 0.62, 95% Confidence interval (CI): 0.44-0.88), but comorbid MDD did not impact remission from GAD (OR: 0.93, 95% CI: 0.64-1.35). With the exception of the influence of comorbidity, these associations were robust across definitions of remission. LIMITATIONS: Cross-sectional analysis and retrospective recall of onset of MDD/GAD. CONCLUSIONS: Many individuals with MDD or GAD will experience full remission. Some predictors appear to have a general association with remission from both disorders, while others are uniquely associated with remission from MDD. PMID- 27863712 TI - Glycoform analysis of alpha1-acid glycoprotein by capillary electrophoresis. AB - A relatively fast and reproducible CE separation was developed for the glycoform analysis of alpha1-acid glycoprotein (AGP). Factors that were considered included the pH for this separation and various techniques for coating the capillary and/or to minimize electroosmotic flow and protein adsorption. Optimum resolution of the AGP glycoforms was obtained at pH 4.2 with a running buffer containing 0.1% Brij 35 and by using static and dynamic coatings of PEO on the capillary. These conditions made it possible to separate nine AGP glycoform bands in about 20min. The limit of detection (based on absorbance measurements) ranged from 0.09 to 0.38MUM for these AGP glycoform bands, and the linear range extended up to a total AGP concentration of at least 240MUM. The migration times for the glycoform bands had typical within-day and day-to-day precisions of +/-0.16-0.23% or less, respectively, on a single treated capillary and the variation between capillaries was +/-0.56% or less. A charge ladder approach was employed to examine the mass or charge differences in the glycoforms that made up these bands, giving a good fit to a model in which the neighboring bands differed by one charge (e.g., from a sialic acid residue) and had an average mass difference of approximately 0.7 0.9kDa. The approaches used to develop this separation method are not limited to AGP but could be extended to the analysis of other glycoproteins by CE. PMID- 27863714 TI - Corrigendum to "Revisiting the understanding of "transactional sex" in sub Saharan Africa: A review and synthesis of the literature" [Soc. Sci. Med. 168 (2016) 186-197]. PMID- 27863713 TI - Improving the productivity of a multidimensional chromatographic preparative system by collecting pure chemicals after each of three chromatographic dimensions. AB - The enhanced sample collection capability of a heart-cutting three-dimensional GC prep system is reported. In its original configuration, a highly pure component can be usually collected after the last (3D) column outlet by means of a dedicated preparative station. The latter is located after the last chromatographic column, and this poses the requirement for multiple heart cuts even for those components showing satisfactory degree of purity after the first (or second) separation dimension. The feasibility to collect pure components after each chromatographic dimension is here described, employing a three dimension MDGC system equipped with high-temperature valves, located inside the first and second GC ovens, with the aim to improve the productivity of the collection procedure. In addition to a commercial preparative collector located at the 3D outlet, two laboratory-made collection systems were applied in the first and second dimension, reached by the effluent to be collected trough a high temperature valve switching the heart-cut fraction between either the detector (FID), or the collector. Highly pure sesquiterpene components were collected, namely: patchouli alcohol after the first column [poly(5% diphenyl/95% dimethylsiloxane)], alpha-bulnesene after a second column coated with high molecular weight polyethylene glycol, and alpha-guaiene after an ionic-liquid based column (SLB-IL60), used as the third dimension. Purity levels ranging from 85 to 95% were achieved with an average collection recovery of 90% (n=5). The following average amounts were collected per run: 160MUg for alpha-guaiene, 295MUg for alpha-bulnesene, and 496MUg for patchouli alcohol. PMID- 27863715 TI - Kawasaki disease and immunisation: Standardised case definition & guidelines for data collection, analysis. PMID- 27863716 TI - Antibodies against the C-terminus of alpha-synuclein modulate its fibrillation. AB - The 140-residue natively disordered protein alpha-synuclein (aSN) is a central component in the development of a family of neurodegenerative diseases termed synucleinopathies. This is attributed to its ability to form cytotoxic aggregates such as oligomers and amyloid fibrils. Consequently there have been intense efforts to avoid aggregation or reroute the aggregation pathway using pharmaceutical agents such as small molecules, chaperones and antibodies. aSN's lack of persistent structure in the monomeric state, as well as the multitude of different oligomeric and even different fibrillar states, makes it difficult to raise antibodies that would be efficacious in neutralizing all conformations of aSN. However, the C-terminal 20-40 residues of aSN are a promising epitope for antibody development. It is primarily disordered in both monomeric and aggregated forms, and an anti-C-terminal antibody will therefore be able to bind all forms. Furthermore, it might not interfere with the folding of aSN into membranes, which could be important for its physiological role. Here we report a screen of a series of monoclonal antibodies, which all target the C-terminal of aSN. According to dot blot analyses, different antibodies bound different forms of aSN with different preferences and showed reduced binding to monomeric compared to aggregated (oligomeric and fibrillary) aSN. Consequently they have different effects on aSN's ability to fibrillate and permeabilize membranes. Generally, the antibodies with strongest binding to aggregated aSN in dot blot, also inhibited fibrillation and membrane permeabilization the most, and promoted formation of amorphous aggregates surrounded by small and thin fibers. This suggests that the development of antibodies that targets the C-terminus, exposed in the aggregated forms of aSN, may be beneficial for improved immunotherapy against PD. PMID- 27863717 TI - Finding routes towards understanding and the successful correction of presbyopia. PMID- 27863718 TI - The impact of immediate breast reconstruction after mastectomy on time to first adjuvant treatment in women with breast cancer in a community setting. AB - BACKGROUND: The impact of immediate breast reconstruction on the time to first adjuvant therapy is controversial. METHODS: Retrospective study design comparing time to first treatment in women undergoing mastectomy with and without immediate reconstruction in a community cancer center. RESULTS: Seventy-six cases fit inclusion criteria of which 44 (58%) underwent mastectomy with immediate reconstruction. Women undergoing immediate reconstruction were younger, had more bilateral mastectomies and had fewer prior breast procedures. The median time to first adjuvant therapy was longer in the immediate reconstruction group [80.5days (36-343) versus 53.5 days (18-96), p = 0.003]. Fifteen of 44 patients had the start of adjuvant treatment over 90 days after resection, 14 of whom (93%) had immediate reconstruction versus 1 (7%) who did not (p = 0.01). CONCLUSION: In this study immediate breast reconstruction was associated with a longer time to first adjuvant treatment, with adjuvant therapies being more likely delayed over 90 days. PMID- 27863719 TI - Utility of feeding jejunostomy tubes in pancreaticoduodenectomy. AB - BACKGROUND: Routine placement of jejunostomy tubes (JT) during pancreaticoduodenectomy (PD) is controversial. METHODS: A retrospective chart review of patients undergoing PD from 1/1/08 through 12/31/14 was performed. The patients were divided into groups by placement of JT. Outcome measures were 90 day morbidity, 90-day mortality, length of stay, rate of delayed gastric emptying (DGE), and JT-specific complications. RESULTS: 256 patients were included. There were no significant differences in 90-day morbidity (39.9% vs. 37.9%, p = 0.747), 90-day mortality (3.9% vs. 1.0%, p = 0.247) or TPN use (24.8 vs. 25.2%, p = 0.941) between those with and without JT, respectively. Patients with a JT had a higher rate of DGE (p < 0.001), longer hospital stay (14.3 vs. 11.6, p < 0.001), and longer time to solid intake (9.4 vs. 7.3, p < 0.001). Eleven patients (7.2%) with JT had tube-related morbidity. CONCLUSIONS: Routine placement of JT at the time of PD should be abandoned with efforts focused on preoperative nutrition optimization and early oral diet trials. PMID- 27863720 TI - Can residents detect errors in technique while observing central line insertions? AB - BACKGROUND: Procedural teaching and the ability to detect and correct errors are important components of surgical education. This study evaluates whether review of an instructional video will improve residents' ability to detect errors. We hypothesized that clinical experience and confidence do not correlate with ability to detect errors. METHODS: Participants were randomized to 2 groups: the study group viewed an instructional video demonstrating correct technique, whereas the control group did not view the instructional video. Forty general surgery residents described errors in technique during an ultrasound-guided right internal jugular vein catheterization pre and post randomization. RESULTS: Participants who viewed the video improved their error identification rate by 72.6% (P < .001). No correlation between postgraduate year or confidence in error detection and the actual ability to detect errors was noted (r = .17 and r = .14 respectively). CONCLUSIONS: Experience and seniority may not be sufficient to detect procedural errors during central line insertion. Instructional videos improve error recognition. PMID- 27863721 TI - Ambulatory bilateral neck exploration for primary hyperparathyroidism: Is it safe? PMID- 27863723 TI - Actually, guns Do kill people. PMID- 27863722 TI - Is nasotracheal intubation safe in facial trauma patients? AB - BACKGROUND: In the prehospital setting, oral intubation is preferred in facial trauma patients due to the potential for further injury during nasotracheal intubation. This study compared the complications of nasal vs. oral vs. nasal + oral intubations performed by first responder crews in facial trauma patients. Our objective was to assess patient outcomes and complications to determine the risk of nasal intubation in facial trauma patients in the prehospital setting. METHODS: Patients with facial trauma between 2008 and 13 were abstracted from the Miami Valley Hospital trauma registry: 50 were nasal only (n), 27 nasal + oral (no), and 135 oral only (o) intubation. Analysis of variance with the post-hoc Least Significance Difference Test and the chi square test were used in the analysis. RESULTS: The oral group was older [41.1 +/- 17.6 (o) vs. 36.2 +/- 14.1 (n) vs. 33.0 +/- 15.7 (no), p = 0.032] and had a higher facial abbreviated injury severity (AIS) mean score (1.8 +/- 0.6 vs. 1.3 +/- 0.5 vs. 1.5 +/- 0.5, p < 0.001). The three groups did not differ in mortality (n = 20% vs. o = 18% vs. no = 30%, p = 0.37). The n + o group was intubated longer (p < 0.001) and had longer ICU and hospital lengths of stay (p = 0.015 and p = 0.023). The three groups did not differ on the composite of any pulmonary complication - i.e., any one of sinusitis, pneumonia, atelectasis, and respiratory failure - 44% (no) vs. 24% (o) vs. 30% (n), p = 0.10). However, nasal + oral patients were more likely to have one or more of the eight complication studied [63% (no) vs. 28% (o) vs. 34% (n), p = 0.002], and have a longer ICU and HLOS. CONCLUSIONS: Prehospital nasal intubation is a viable short-term alternative to oral intubation in patients with facial trauma and warrants further research. PMID- 27863724 TI - [Which approach of therapeutic education (TE) for adolescents and young adults with cancer? Experience from the TE working group of "Go-AJA"]. AB - INTRODUCTION: Therapeutic education (TE) is a practice developed over 40 years at an international level to give people with chronic illness the skills necessary to help them better manage their disease. The lengthening survival time of cancer patients as well as changes in the patient-caregiver relationship have contributed to the development of TE in oncologic diseases. Every year in France, about 1900 adolescents and young adults (15-25 years old) are diagnosed with cancer which is the second leading cause of death in this age group. The observed survival rates for these patients are lower when compared with children's. Some of the hypotheses put forward to explain this difference include a lack of constancy in care and a non-following treatment, as failure to adhere to therapies is common in this age group. "Go-AJA", an interdisciplinary national organization established in 2012, aims to improve the quality of care and treatment results for AYA living with cancer. Therapeutic education for AYA in oncology is an active working group of "Go-AJA" and intends to draw recommendations and to improve adapted communication on different education topics. Elaboration and preparation of TE programs by skilled multidisciplinary teams engaged in interactive educational actions is the first and most crucial step. MATERIALS AND METHODS: The TE "Go-AJA" working group has federated pediatric and adult oncologists, nurses, psychologists, TE professionals, and resource patients, thanks to the commitment of professionals from the 8 national teams supported by the National Cancer Institute. Physical meetings and conference calls were organized from 2012 to 2015 to construct TE tools and programs for AYA with cancer. RESULTS: A competence referential was built and adapted to AYA population with cancer, after focused groups organized in 2 main oncology centers with on-therapy sarcoma patients and members of the multidisciplinary TE working group. Tools were validated and adapted to adolescents or young adults with cancer, to help in the 4 stages of TE: the "educational diagnosis" allowing the caregiver to better understand the patient in his life journey with the disease; the "therapeutic alliance" allowing to agree with the patient on his/her priorities; the "implementation" which is an action step: information, awareness, learning and psychosocial support. The final step called "assessment" allows the caregiver to take stock on the changes and difficulties with the patient. TE for AYA with cancer included individual and/or group sessions to improve self-care skills: knowledge about the disease (group sessions "what is cancer?" with use of microscopes to visualize sarcoma cells, and guided tours in a tumor research laboratory), and details about the treatment and its consequences (workshops about "management of febrile neutropenia"). Moreover, TE aimed to enrich the field of coping skills, in particular to improve the coordination and experience of cares between the different complex and varied network of care (group and/or individual sessions focused on physical rehabilitation, and adapted school/professional orientation). CONCLUSION: Regardless of the care system, care workers dedicated to AYA with cancer should use TE-specific actions to reinforce treatment participation and therapeutic relationships. This active multidisciplinary TE working group dedicated to AYA with cancer elaborated TE programs by skilled multidisciplinary teams engaged in interactive educational actions. After this work of a national TE organization, more studies using methodological tools are still required to evaluate the impact of such implemented programs on the treatment results and the quality of life. PMID- 27863725 TI - [What specific socialisation, social, educational and professional for teenagers and young adults with cancer?] AB - Socialisation, education, first jobs and autonomy are key steps to teenagers and young adults (TYA) integration into the society. The occurrence of a cancer in this population increases the difficulties. Although, suffering of cancer do affect TYA life journey at social, scholar and professional levels, from diagnosis to the after-cancer live and sometime forever, few studies exist in France. A national study on TYA with cancer (TYAC) social, scholar and professional pathways is on-going (ESPOIR-AJA). A national survey of the existing TYAC insertion support in 2013 by the "Insertion group" of groupe onco hematologie adolescents et jeunes adultes (GO-AJA) revealed structured and ancient support at scholar level based on national governmental or associative structures, but insufficient and non-specific scholar help in secondary school and professional help. Specific initiatives have emerged since 2012 with the "Plan cancer 2". All these helps remain unequal across the country. A referential on TYAC social, scholar and professional insertion has been prepared by GO-AJA in collaboration with the association francophone des soins oncologiques de support (AFSOS). The impact of the action 9 of the nation "plan cancer 3" is awaited. PMID- 27863726 TI - [MET receptor inhibition: Hope against resistance to targeted therapies?] AB - Overcoming the drug resistance remains a crucial issue in cancer treatment. For refractory patients, the use of MET receptor tyrosine kinase inhibitors seems to be hopeful. Indeed, important mechanisms underlying drug resistance argue for association of MET inhibitors with targeted therapies, both on first-line to prevent a primary resistance and on the second line to overcoming acquired resistance. Indeed, met gene amplification is the second most common alteration involved in acquired resistance to anti-epidermal growth factor receptor (EGFR) therapies in non-small cells lung cancer (NSCLC). Hypoxia, for its part, can activate MET transcription and amplifies HGF signaling resulting in MET activation, which could be involved in vascular endothelial growth factor (VEGF) inhibitors escape. In HER2 positive breast cancers, MET amplification may also induce tumor cells a hatch escape, resulting in secondary resistance. Finally, some patients with BRAF mutated melanoma exhibit primary resistance to BRAF inhibition by stromal HGF (ligand of MET) secretion resulting in MET receptor activation. Experimental data highlight the role of MET in primary and secondary resistance and encourage combined treatments including MET inhibitors. In this context, several promising clinical trials are in progress in numerous cancers (NSCLC, melanoma, breast cancer, glioblastoma...) using combination of anti-MET and other specific therapies targeting EGFR, BRAF, VEGF or HER2. This review summarizes the potential benefits that MET inhibition should provide to patients with cancer refractory to targeted therapies. PMID- 27863729 TI - Outcomes of Anterolateral Thoracotomy With or Without Partial Sternotomy for Kommerell Diverticulum. AB - BACKGROUND: Kommerell diverticulum is a rare aortic arch anomaly. The indications for operative intervention and surgical strategy are still controversial. The standard surgical procedure at our institution is total aortic arch plus descending aortic replacement using anterolateral thoracotomy with partial sternotomy. The aberrant subclavian artery is reconstructed anatomically or extraanatomically. METHODS: From 2002 to 2014, 6 patients (1 woman), aged 55 to 78 years, underwent graft replacement through an anterolateral thoracotomy or anterolateral thoracotomy with a partial sternotomy approach for Kommerell diverticulum. All patients underwent graft replacement of the descending aorta or total aortic arch plus descending aorta in addition to aberrant subclavian artery reconstruction. RESULTS: No hospital deaths or major complications occurred. Recurrent nerve injury developed at discharge in 1 patient. All patients were well during the follow-up period (range, 11 to 116 months). CONCLUSIONS: Kommerell diverticulum and its associated symptoms were surgically treated with acceptable outcomes. PMID- 27863728 TI - Fontan Patient Survival After Pediatric Heart Transplantation Has Improved in the Current Era. AB - BACKGROUND: Historically, patients with a prior Fontan procedure for complex congenital heart disease (CHD) have been considered at higher risk for death after heart transplant (HT) compared with other HT transplant candidates. With the overall trend of improved survival of pediatric HT recipients, it is unclear of Fontan patient post-HT survival has also improved in the current era. METHODS: Data from the Pediatric Heart Transplant Study database for Fontan patients who underwent HT was compared between the early era (1993 to 2006, n = 150) and late era (2007 to 2014, n = 252). Post-HT survival and pre-HT characteristics were compared among eras and also with non-Fontan CHD patients. RESULTS: At time of HT, Fontan patients in the late era were more likely to require inotropic support, have protein-losing enteropathy, have failure to thrive, and be further from time of Fontan, although less likely to be on ventilator support. Only ventilator support and earlier year of HT were significant risk factors for death in the multivariate analysis. Post-HT Fontan patient survival significantly improved from the early to late era (p = 0.02), particularly in the early phase, with 1-year survival of 77% in the early era and 89% in the late era. Late era non-Fontan CHD patient 1-year post-HT survival was similar to Fontan patients at 92%. CONCLUSIONS: Survival of Fontan patients after HT has significantly improved in the current era. Currently, expected post-HT survival for Fontan patients is on par with other CHD patients. Fontan patients should not be excluded from consideration for HT solely on a history of Fontan. PMID- 27863730 TI - Psoas Muscle Area and Length of Stay in Older Adults Undergoing Cardiac Operations. AB - BACKGROUND: Frailty assessment can help predict which older adults will experience adverse events after cardiac surgical procedures. Low muscle mass is a core component of frailty that is suboptimally captured by self-reported weight loss; refined measures using computed tomographic (CT) images have emerged and are predictive of outcomes in noncardiac surgical procedures. The objective of this study was to evaluate the association between CT muscle area and length of stay (LOS) after cardiac surgical procedures. METHODS: Frail patients who had a perioperative abdominal or thoracic CT scan were identified. The CT scans were analyzed to measure cross-sectional lean muscle area at the L4 vertebra (psoas muscle area [PMA], lumbar muscle area [LMA]) and the T4 vertebra (thoracic muscle area [TMA]). The associations of PMA, LMA, and TMA with frailty markers and postoperative LOS were investigated. RESULTS: Eighty-two patients were included; the mean age was 69.2 +/- 9.97 years. Low muscle area was correlated with lower handgrip strength and short physical performance battery (SPPB) scores indicative of physical frailty. Postoperative LOS was correlated with PMA (R = -0.47, p = 0.004), LMA (R = -0.41, p = 0.01), and TMA (R = -0.29, p = 0.03). After adjustment for the predicted risk of prolonged LOS, age, sex, and body surface area, PMA remained significantly associated with LOS (beta = -2.35, 95% CI -4.48 to -0.22). The combination of low PMA and handgrip strength, indicative of sarcopenia, yielded the greatest incremental value in predicting LOS. CONCLUSIONS: Low PMA is a marker of physical frailty associated with increased LOS in older adults undergoing cardiac surgical procedures. Further research is necessary to validate PMA as a prognostic marker and therapeutic target in this vulnerable population. PMID- 27863731 TI - Pulmonary Resection for Synchronous M1b-cStage IV Non-Small Cell Lung Cancer Patients. AB - BACKGROUND: We wanted to assess the efficacy of curative intent pulmonary resection for non-small cell lung cancer (NSCLC) patients with synchronous M1b distant metastases in a single organ or lesion. METHODS: Between 1995 and 2015, 23 consecutive synchronous M1b-cStage IV NSCLC patients who underwent any treatment for metastases and curative intent pulmonary resection were retrospectively analyzed. RESULTS: Sixteen patients were men and 7 were women, with a median age of 56 years (range: 41 to 76 years). There were 17 adenocarcinoma, 4 large-cell carcinoma, 1 large-cell neuroendocrine cancer, and 1 carcinosarcoma. Thirteen patients had no lymph node metastasis. Fourteen patients received preoperative chemotherapy, and 10 received postoperative chemotherapy. The metastatic sites were the brain in 13 patients; bone in 3 patients; adrenal glands and extrathoracic lymph nodes in 2 patients each; and the liver, small intestine, and subcutaneous tissue in 1 patient each. Nineteen patients underwent lobectomy, and the other 4 patients underwent pneumonectomy. Seventeen patients experienced recurrence as follows: local recurrence in 3 patients, distant recurrence in 13 patients, and both in 1 patient. The 5-year progression-free survival rates in the 23 patients was14.5% (95% confidence interval: 0% to 30.6%), and the 5-year overall survival rate was 41.7% (95% confidence interval: 19.6% to 63.8%). CONCLUSIONS: Some M1b-cStage IV NSCLC patients achieved longer survival than others with the same stage disease by using local treatment for distant metastases and curative intent pulmonary resection. Oligometastatic patients might have been inadvertently included in the present cohort. However, at present, the optimum method for patient selection remains unclear. PMID- 27863732 TI - Efficacy of Aortic Valve Resuspension in Establishing Valve Competence in Acute Type A Dissections. AB - BACKGROUND: This study investigates the efficacy of aortic valve (AV) resuspension with preservation of the native aortic root in maintaining AV competence during type A dissection repair. METHODS: A total of 154 acute type A dissection repairs were performed from January 2000 to July 2015. AV resuspension was performed in 120 patients to address AV insufficiency (AI). Survival data were derived from 120 patients who had AV resuspensions and all 154 acute type A dissection repairs. RESULTS: Of the 70 patients who presented initially with moderate-to-severe AI, 43 underwent AV resuspension. Echocardiographic data for analysis were available in 40 of these 43 patients. In the group with moderate-to severe AI at presentation, AV resuspension was able to achieve mild or less AI in 38 of 40 patients (95%) and trivial or no AI in 29 of 40 patients (73%) after weaning from cardiopulmonary bypass. The presence of moderate-to-severe preoperative AI did not predict the ability to achieve trivial or no AI with resuspension immediately after coming off cardiopulmonary bypass (p = 0.3) or on subsequent follow-up (p = 0.8). Mean echocardiographic follow-up for AV resuspension was 1.21 +/- 2.57 years. Three patients who underwent AV resuspension required AV reoperation at follow-up. There was no survival difference between patients who did or did not have AV resuspension (p = 0.3). CONCLUSIONS: AV resuspension is able to improve valve competency with good outcomes even in patients with moderate or severe AI at presentation. Overall long-term survival is unchanged compared with other operative strategies for the AV. PMID- 27863733 TI - Impact of Left Ventricular Systolic Function on Outcome of Correction of Chronic Severe Aortic Valve Regurgitation: Implications for Timing of Surgical Intervention. AB - BACKGROUND: The timing of valve repair or replacement in patients with severe aortic valve regurgitation (AR) is controversial. We investigated the effect of left ventricular (LV) function on survival and recovery of LV performance and dimensions after correction of chronic severe AR. METHODS: We reviewed 530 consecutive patients who underwent aortic valve repair or replacement for severe AR between January 1, 2004, and June 30, 2014. RESULTS: The 30-day mortality was 0.75%. In multivariate analysis, older age (hazard ratio [HR] = 1.02, p = 0.03), preoperative LV ejection fraction (EF) <60% (HR = 1.78, p = 0.04), previous myocardial infarction (HR = 2.53, p = 0.01), and previous cardiac operation (HR = 1.82, p = 0.03) were associated with all-cause mortality. Ejection fraction was reduced before hospital discharge but then improved and was greater than preoperative levels at all subsequent intervals. The LV dimensions decreased early postoperatively and continued to decrease thereafter. In multivariate analysis, factors associated with LV dysfunction (EF <60%) 1 year after aortic valve replacement were preoperative LV end-systolic dimension >=40 mm (odds ratio [OR] = 5.39, p < 0.01) and previous myocardial infarction (OR = 3.62, p = 0.04). CONCLUSIONS: Preoperative LV dysfunction (EF <60%) had an adverse effect on overall survival after correction of chronic severe AR. Because survival is improved in patients with greater preoperative LVEF and because reverse LV remodeling is more complete with smaller LV dimensions, surgical intervention should be considered promptly in patients with chronic severe AR and deterioration of these indicators during echocardiographic surveillance. PMID- 27863734 TI - Provider-parent Communication When Discussing Vaccines: A Systematic Review. AB - PROBLEM: Expert literature on communication practices with vaccine hesitant parents posits that a non-confrontational/participatory discussion with the parent would be the best approach to improve compliance. A prior literature review found limited evidence to recommend any particular face to face intervention other than to incorporate communication about vaccination effectiveness during an encounter. Hence, a systematic review was performed in an attempt to determine the most efficacious communication practices to use with parents with vaccination concerns. ELIGIBILITY CRITERIA: Quantitative and qualitative studies written in English that assessed the communication framework/style of the provider-parent interaction and studies where provider communication was listed as an intervention were reviewed. SAMPLE: Nine articles were included in the sample. RESULTS: The majority of the studies were descriptive and qualitative in nature with only one randomized controlled trial. Five of the 9 studies utilized a descriptive cross-sectional design. Two main themes included message types recommended or given by the provider and message types that were requested by the parent. CONCLUSIONS: Overall, findings showed that there is currently not enough information to definitively state the type of provider-parent communication style that should be employed to affect the parents' vaccination viewpoint. However, recurring themes of trust in the provider and a personalized provider-parent interaction were evident, which promotes a participatory type of interaction. IMPLICATIONS: The literature indirectly supports providers engaging with vaccine hesitant parents in a more individualized, participatory format, though higher quality and more rigorous studies that focus specifically on provider-parent communication practices are needed. PMID- 27863735 TI - Validity and reliability of the Functional Dexterity Test in children. AB - STUDY DESIGN: Clinical measurement study. INTRODUCTION: The Functional Dexterity Test (FDT) has not been validated in children. PURPOSE OF THE STUDY: To determine reliability and validity of the FDT in a pediatric population. METHODS: Intraclass Correlation Coefficients (ICCs) were used to calculate interrater and test-retest reliability in typically developing children. Pearson correlation coefficients were used to compare FDT speed with the Jebsen-Taylor Hand Function Test (JHFT) and with 2 activities of daily living tasks to establish validity in children with congenital hand differences. RESULTS: The FDT demonstrated excellent interrater (ICC, 0.99) and test-retest (ICC, 0.90) reliability. Pearson correlation coefficients exceeded 0.67 for JHFT subsets of fine dexterity and were all less than 0.66 for JHFT subsets of gross grasp. Correlations with the activities of daily living tasks were good to excellent. FDT speeds in TD children exceeded those of children with congenital hand differences (P < .001), demonstrating discriminant validity. DISCUSSION: Children with congenital hand differences are often treated early in life, making it important to reliably assess hand function of these young children to distinguish developmental change from changes due to interventions. The FDT can reliably measure functional progress over time, help clinicians monitor the efficacy of treatment, and provide families realistic feedback on their child's progress. CONCLUSION: The FDT is a valid and reliable instrument for the measurement of fine motor dexterity in children. PMID- 27863736 TI - Moberg Picking-Up Test in patients with hand osteoarthritis. AB - STUDY DESIGN: Clinical measurement. INTRODUCTION: The Moberg Pick-up Test (MPUT) was previously used to evaluate functional performance in patients with hand inflammatory disease. This is the first study using the MPUT in hand osteoarthritis (OA). PURPOSE OF THE STUDY: Compare the functional performance (MPUT) in hand OA patients and healthy controls. METHODS: Fifty hand OA patients and 50 controls were assessed using the MPUT, AUSCAN and Cochin questionnaires, grip and pinch strength, pain using a visual analog scale and a Likert scale regarding difficulty to perform MPUT. RESULTS: In the MPUT evaluation, the OA group presented a statistically significant difference from the control group. The OA group spent more time executing test. The grip and pinch strength measurements showed higher values for the control group. The OA group reported a greater difficulty than the control group in performing the test. CONCLUSION: The MPUT is a short and easy to apply test, which can be safely used to assess the functional performance of the hand OA. LEVEL OF EVIDENCE: II. PMID- 27863738 TI - Presence of an adsorbent cake layer improves the performance of gravity-driven membrane (GDM) filtration system. AB - Gravity-driven membrane (GDM) filtration is a promising decentralized drinking water treatment process. To improve the performance of GDM system, a thin layer of adsorbent was pre-deposited on the membrane surface prior to filtration (adsorbent-laden GDM system). The tested adsorbents include powdered activated carbon (PAC) and anion exchange resin (AER), and an unmodified GDM system and a SiO2-laden GDM system were used as controls. In the adsorbent-laden GDM systems, the adsorption of the PAC and AER increased the removal efficiency of natural organic matter by 7.2-43.5% and microcystin-LR, atrazine, and bisphenol A by 7.9 81.2%. The presence of adsorbent particles increased the amount of microorganisms in the cake layer and therefore increased the removal efficiency of assimilable organic matter (AOC) by 20.1-34.4%. In the adsorbent-laden GDM systems, the physically irrecoverable fouling decreased because of the reduction in membrane foulants by the adsorbent layer. However, the presence of adsorbent particles in the cake layer counteracted this effect and increased the physically recoverable fouling. Consequently, the pre-deposited adsorbent layers had only a limited effect on the stabilized flux (2.26-2.65 L/m2 h). A bilayer structure was found in the cake layer of the adsorbent-laden GDM systems via scanning electron microscopy (SEM), and the cake layer was looser in the presence of adsorbent particles. These results demonstrate that pre-depositing a thin layer of adsorbents on the membrane surface of the GDM system can significantly improve the quality of the permeate without decreasing the stabilized flux. PMID- 27863737 TI - Intensified nitrate and phosphorus removal in an electrolysis -integrated horizontal subsurface-flow constructed wetland. AB - A novel electrolysis-integrated horizontal subsurface-flow constructed wetland system (E-HFCWs) was developed for intensified removal of nitrogen and phosphorus contaminated water. The dynamics of nitrogen and phosphorus removal and that of main water qualities of inflow and outflow were also evaluated. The hydraulic retention time (HRT) greatly enhanced nitrate removal when the electrolysis current intensity was stabilized at 0.07 mA/cm2. When the HRT ranged from 2 h to 12 h, the removal rate of nitrate increased from 20% to 84%. Phosphorus (P) removal was also greatly enhanced-exceeding 90% when the HRT was longer than 4 h in the electrolysis-integrated HFCWs. This improved P removal is due to the in situ formation of ferric ions by anodizing of sacrificial iron anodes, causing chemical precipitation, physical adsorption and flocculation of phosphorus. Thus, electrolysis plays an important role in nitrate and phosphorus removal. The diversity and communities of bacteria in the biofilm of substrate was established by the analysis of 16S rDNA gene sequences, and the biofilm was abundant with Comamonadaceae and Xanthomonadaceae bacteria in E-HFCWs. Test results illustrated that the electrolysis integrated with horizontal subsurface-flow constructed wetland is a feasible and effective technology for intensified nitrogen and phosphorus removal. PMID- 27863739 TI - The influence of testing angle on the biomechanical properties of the rat supraspinatus tendon. AB - Rotator cuff tears are a common shoulder pathology. The rat supraspinatus tendon model is commonly employed for preclinical assessment of rotator cuff pathology or regeneration. However, there is a lack of a standardized biomechanical testing protocol; previous studies have tested the tendon at abduction angles ranging from -15 degrees to 90 degrees . This study aimed to assess the effect of abduction/testing angle on the biomechanical properties of the rat supraspinatus tendon. Fourty-eight shoulders (n=12/group) from healthy Sprague-Dawley rats were randomized to 4 testing angle groups: 0 degrees (corresponding to 90 degrees abduction), 30 degrees , 60 degrees , and 90 degrees (0 degrees abduction). Biomechanical testing of the supraspinatus was performed, consisting of stress relaxation and load-to-failure. Mechanical properties were calculated, and nonlinear tensile modeling was performed via the Quasilinear Viscoelastic (QLV) and Structurally Based Elastic (SBE) models. Results indicate that testing angle significantly affects supraspinatus tendon biomechanics. Stiffness and modulus significantly decreased with increasing testing angle (stiffness: 20.93+/-5.8N/mm at 0 degrees vs. 6.12+/-1.0N/mm at 90 degrees , P<.001; modulus: 59.51+/-34.0MPa at 0 degrees vs. 22.37+/-7.4MPa at 90 degrees , P=.002). Testing angle correlated significantly to ultimate strain, yield strain, and all coefficients of the SBE and QLV models, implying differences in collagen fiber crimp patterns and viscoelastic behavior as a function of testing angle. These results suggest that differences in testing methodology, in particular testing angle, significantly affect the measured mechanical properties of the supraspinatus tendon. Future studies may consider utilizing testing angles of 0 degrees -30 degrees , at which tendon stiffness is maximized, and full standardization of rat rotator cuff testing protocols is necessary. PMID- 27863740 TI - Understanding the fluid mechanics behind transverse wall shear stress. AB - The patchy distribution of atherosclerosis within arteries is widely attributed to local variation in haemodynamic wall shear stress (WSS). A recently-introduced metric, the transverse wall shear stress (transWSS), which is the average over the cardiac cycle of WSS components perpendicular to the temporal mean WSS vector, correlates particularly well with the pattern of lesions around aortic branch ostia. Here we use numerical methods to investigate the nature of the arterial flows captured by transWSS and the sensitivity of transWSS to inflow waveform and aortic geometry. TransWSS developed chiefly in the acceleration, peak systolic and deceleration phases of the cardiac cycle; the reverse flow phase was too short, and WSS in diastole was too low, for these periods to have a significant influence. Most of the spatial variation in transWSS arose from variation in the angle by which instantaneous WSS vectors deviated from the mean WSS vector rather than from variation in the magnitude of the vectors. The pattern of transWSS was insensitive to inflow waveform; only unphysiologically high Womersley numbers produced substantial changes. However, transWSS was sensitive to changes in geometry. The curvature of the arch and proximal descending aorta were responsible for the principal features, the non-planar nature of the aorta produced asymmetries in the location and position of streaks of high transWSS, and taper determined the persistence of the streaks down the aorta. These results reflect the importance of the fluctuating strength of Dean vortices in generating transWSS. PMID- 27863741 TI - Shear targeted drug delivery to stenotic blood vessels. AB - In this review we focus on shear targeted drug delivery as a novel strategy to selectively deliver drugs to sites of vascular obstruction. We review the physics of stenotic (abnormally narrowed) blood vessels, while focusing mainly on the hemodynamics and transport phenomena at these sites. We then discuss how the local abnormal levels of shear stress, which can mechanically activate platelets, can be leveraged for localized drug delivery. We describe the development of Shear Activated Nano-particle Aggregates (SA-NPAs) that are designed to release and localize their nanoparticle drug carriers at sites of vascular stenosis. We present results in a variety of in vivo models, demonstrating the superiority of SA-NPAs carrying a thrombolytic drug compared to conventional treatment with the free drug. We also describe, shear-stress sensitive lenticular liposomes, which also show selective release under stenotic flow conditions. We then discuss limitations of both technologies, challenges in this new field and potential future applications. Altogether, we believe that mechano-sensitive therapeutics may offer a potential new approach for treatment of cardiovascular diseases. PMID- 27863743 TI - In vitro and in silico approaches to quantify the effects of the Mitraclip(r) system on mitral valve function. AB - Mitraclip(r) implantation is widely used as a valid alternative to conventional open-chest surgery in high-risk patients with severe mitral valve (MV) regurgitation. Although effective in reducing mitral regurgitation (MR) in the majority of cases, the clip implantation produces a double-orifice area that can result in altered MV biomechanics, particularly in term of hemodynamics and mechanical stress distribution on the leaflets. In this scenario, we combined the consistency of in vitro experimental platforms with the versatility of numerical simulations to investigate clip impact on MV functioning. The fluid dynamic determinants of the procedure were experimentally investigated under different working conditions (from 40bpm to 100bpm of simulated heart rate) on six swine hearts; subsequently, fluid dynamic data served as realistic boundary conditions in a computational framework able to quantitatively assess the post-procedural MV biomechanics. The finite element model of a human mitral valve featuring an isolated posterior leaflet prolapse was reconstructed from cardiac magnetic resonance. A complete as well as a marginal, sub-optimal grasping of the leaflets were finally simulated. The clipping procedure resulted in a properly coapting valve from the geometrical perspective in all the simulated configurations. Symmetrical complete grasping resulted in symmetrical distribution of the mechanical stress, while uncomplete asymmetrical grasping resulted in higher stress distribution, particularly on the prolapsing leaflet. This work pinpointed that the mechanical stress distribution following the clipping procedure is dependent on the cardiac hemodynamics and has a correlation with the proper execution of the grasping procedure, requiring accurate evaluation prior to clip delivery. PMID- 27863742 TI - Nanoparticle transport and delivery in a heterogeneous pulmonary vasculature. AB - Quantitative understanding of nanoparticles delivery in a complex vascular networks is very challenging because it involves interplay of transport, hydrodynamic force, and multivalent interactions across different scales. Heterogeneous pulmonary network includes up to 16 generations of vessels in its arterial tree. Modeling the complete pulmonary vascular system in 3D is computationally unrealistic. To save computational cost, a model reconstructed from MRI scanned images is cut into an arbitrary pathway consisting of the upper 4-generations. The remaining generations are represented by an artificially rebuilt pathway. Physiological data such as branch information and connectivity matrix are used for geometry reconstruction. A lumped model is used to model the flow resistance of the branches that are cut off from the truncated pathway. Moreover, since the nanoparticle binding process is stochastic in nature, a binding probability function is used to simplify the carrier attachment and detachment processes. The stitched realistic and artificial geometries coupled with the lumped model at the unresolved outlets are used to resolve the flow field within the truncated arterial tree. Then, the biodistribution of 200nm, 700nm and 2um particles at different vessel generations is studied. At the end, 0.2-0.5% nanocarrier deposition is predicted during one time passage of drug carriers through pulmonary vascular tree. Our truncated approach enabled us to efficiently model hemodynamics and accordingly particle distribution in a complex 3D vasculature providing a simple, yet efficient predictive tool to study drug delivery at organ level. PMID- 27863745 TI - A Systematic Review of Voice Therapy: What "Effectiveness" Really Implies. AB - INTRODUCTION: Behavioral voice therapy guided by a speech-language pathologist is recommended as the main treatment approach for many kinds of voice disorders. Encouraging evidence regard of good outcomes from voice therapy has been found in two previous reviews on broad patient populations. However, no definitive conclusion on the effectiveness of direct voice therapy can be drawn from these reviews due to limitations of the included studies. AIMS: To review recent literature on voice therapy; to provide clinicians with a list of evidence-based voice therapy techniques; to incorporate the therapy components in a physiologically based model; to assess the limitations and progress achieved in the recent research on voice therapy. METHODS: A literature search was conducted using three electronic databases: PubMed, Scopus, and CINAHL. A similar strategy was used in all three databases to highlight the concepts of "therapy" and "voice disorders." Only randomized controlled trials were included in the review. RESULTS: Fifteen papers met the inclusion criteria, covering five categories of voice disorders (functional, Parkinson induced, GERD induced, presbyphonia, unilateral vocal fold paresis) and seven specific behavioral voice therapy approaches. Statistically significant improvements were found postintervention on at least one outcome variable in all but one study. Clinical significance of the results was rarely discussed. Discrepancies in reported outcome measures were found across studies, making comparisons between interventions challenging. CONCLUSION: Behavioral voice therapy generally leads to significant improvements in voice outcomes, but further research considering clinical meaningfulness of the results are needed to establish what is really meant by the term "effectiveness" when it comes to voice therapy. PMID- 27863744 TI - Towards the improved quantification of in vivo abnormal wall shear stresses in BAV-affected patients from 4D-flow imaging: Benchmarking and application to real data. AB - Bicuspid aortic valve (BAV), i.e. the fusion of two aortic valve cusps, is the most frequent congenital cardiac malformation. Its progression is often characterized by accelerated leaflet calcification and aortic wall dilation. These processes are likely enhanced by altered biomechanical stimuli, including fluid-dynamic wall shear stresses (WSS) acting on both the aortic wall and the aortic valve. Several studies have proposed the exploitation of 4D-flow magnetic resonance imaging sequences to characterize abnormal in vivo WSS in BAV-affected patients, to support prognosis and timing of intervention. However, current methods fail to quantify WSS peak values. On this basis, we developed two new methods for the improved quantification of in vivo WSS acting on the aortic wall based on 4D-flow data. We tested both methods separately and in combination on synthetic datasets obtained by two computational fluid-dynamics (CFD) models of the aorta with healthy and bicuspid aortic valve. Tests highlighted the need for data spatial resolution at least comparable to current clinical guidelines, the low sensitivity of the methods to data noise, and their capability, when used jointly, to compute more realistic peak WSS values as compared to state-of-the art methods. The integrated application of the two methods on the real 4D-flow data from a preliminary cohort of three healthy volunteers and three BAV-affected patients confirmed these indications. In particular, quantified WSS peak values were one order of magnitude higher than those reported in previous 4D-flow studies, and much closer to those computed by highly time- and space-resolved CFD simulations. PMID- 27863746 TI - Biophysical skin properties of grade 1 pressure ulcers and unaffected skin in spinal cord injured and able-bodied persons in the unloaded sacral region. AB - AIM OF THE STUDY: To examine biophysical skin properties in the sacral region in spinal cord injury (SCI) patients suffering from a grade 1 pressure ulcer (PU) defined as non-blanchable erythema (SCI/PU), SCI patients in the post-acute phase (SCI/PA) and able-bodied participants (CON). Also, for SCI/PU patients, both the affected skin and healthy skin close to the PU were examined. STUDY DESIGN: An experimental controlled study with a convenience sample. SETTING: A Swiss acute care and rehabilitation clinic specializing in SCIs. MATERIALS AND METHODS: We determined hydration, redness, elasticity and perfusion of the unloaded skin in the sacral region of 6 SCI/PU patients (affected and healthy skin), 20 SCI/PA patients and 10 able-bodied controls. These measures were made by two trained examiners after the patients were lying in the supine position. RESULTS: The affected skin of SCI/PU patients showed elevated redness: median 595.5 arbitrary units (AU) (quartiles 440.4; 631.6) and perfusion: 263.0 AU (104.1; 659.4), both significantly increased compared to the healthy skin in SCI/PA patients and CON (p < 0.001). Similarly, healthy skin of SCI/PA patients showed elevated redness (p = 0.016) and perfusion (p < 0.001) compared to CON. On the other hand, differences in redness and perfusion between the affected and unaffected skin in SCI/PU patients were not significant. The results for skin hydration and skin elasticity were similar in all groups. CONCLUSIONS: Skin perfusion and redness were significantly increased in grade 1 PUs and for healthy skin in both SCI/PA patients and CON participants; thus, these are important in understanding the pathophysiology of PUs and skin in SCI. PMID- 27863747 TI - Symmetrical aryl linked bis-iminothiazolidinones as new chemical entities for the inhibition of monoamine oxidases: Synthesis, in vitro biological evaluation and molecular modelling analysis. AB - The multifactorial nature of Parkinson's disease necessitates the development of new chemical entities with inherent ability to address key pathogenic processes. To this end, two series of new symmetrical 1,2- and 1,4-bis(2-aroyl/alkoylimino-5 (2-methoxy-2-oxoethylidene)-4-oxo-thiazolidin-3-yl)benzene derivatives (3a-g and 5a-e) were synthesized in good yields by the cyclization of 1,2- and 1,4-bis(N' substituted thioureido)benzene intermediates with dimethyl acetylenedicarboxylate (DMAD) in methanol at ambient temperature. The bis-iminothiazolidinone compounds were investigated in vitro for their inhibition of monoamine oxidase (MAO-A & MAO B) enzymes with the aim to identify new and distinct pharmacophores for the treatment of neurodegenerative disorders like Parkinson's disease. Most of the designed compounds exhibited good inhibitory efficacy against monoamine oxidases. Compound 5a was identified as the most potent inhibitor of MAO-A depicting an IC50 value of 0.001MUM, a 4-fold stronger inhibitory strength compared to standard inhibitor (clorgyline: IC50=0.0045MUM). Molecular docking studies provided insights into enzyme-inhibitor interactions and a rationale for the observed inhibition towards monoamine oxidases. PMID- 27863749 TI - Emerging issues on hepatitis C virus infection after the introduction of the Directly Acting Antivirals. PMID- 27863750 TI - Tribute to 100 years of Professor Dr. Michel Abu Jamra. PMID- 27863748 TI - Ethyl nitrobenzoate: A novel scaffold for cholinesterase inhibition. AB - A series of novel cholinesterase inhibitors containing nitrobenzoate core structure were synthesized by a facile and efficient method. The structure of the novel compounds were fully characterized and confirmed by analytical as well as spectroscopic methods. Compound indicated as 2f was found to possess the best cholinesterase inhibitory activities of all the evaluated compounds. Results suggest that 2f is a selective acetylcholinesterase inhibitor, although it also inhibits butyrylcholinesterase at higher concentration. Kinetics inhibition result suggest that 2f is a mixed-mode inhibitor of acetylcholinesterase. In addition, it was found to have low cytotoxicity. Molecular docking on compound 2f was carried out to rationalize the observed in vitro enzymatic assay results. Most importantly, the potential of nitrobenzoate derivatives as cholinesterase inhibitor was shown through this study. In summary, we discovered nitrobenzoates as a new scaffold that may eventually yield useful compounds in treatment of Alzheimer's disease. PMID- 27863751 TI - New developments in the understanding and diagnosis of myelodysplastic syndromes with ring sideroblasts. PMID- 27863752 TI - Hematopoietic stem cell mobilization for autologous transplantation in multiple myeloma patients previously exposed to cyclophosphamide, thalidomide, and dexamethasone: is granulocyte-colony stimulating factor alone enough? PMID- 27863753 TI - Platelet and reticulocyte new parameters: why and how to use them? PMID- 27863754 TI - Survival and treatment response in adults with acute promyelocytic leukemia treated with a modified International Consortium on Acute Promyelocytic Leukemia protocol. AB - Acute promyelocytic leukemia has good prognosis in view of the high complete remission and survival rates achieved with therapies containing all-trans retinoic acid or arsenic trioxide. However, there is a significant risk of death during induction due to hemorrhage secondary to disseminated intravascular coagulation. This has contributed to a gap in the prognosis of patients between developed and developing countries. The International Consortium on Acute Promyelocytic Leukemia was created in 2005 and proposed a treatment protocol based on daunorubicin and all-trans retinoic acid stratified by risk geared toward developing countries. Herein are presented the results from the first patient cohort treated in a single developing country hospital employing a slightly modified version of the International Consortium protocol in a real life setting. Twenty patients with acute promyelocytic leukemia were enrolled: 27.8% had low-risk, 55.6% intermediate risk and 16.7% high-risk. The complete remission rate was 94.4% after a median of 42 days. Both relapse rates and death rates were one patient (5.5%) each. No deaths were observed during consolidation. After a median follow-up of 29 months, the overall survival rate was 89.1%. Efficacy and safety of the International Consortium on Acute Promyelocytic Leukemia protocol has been reproduced in acute promyelocytic leukemia patients from a developing country. PMID- 27863756 TI - Herpes zoster after autologous hematopoietic stem cell transplantation. AB - BACKGROUND: The autologous hematopoietic stem cell transplantation procedure involves immunosuppression of the patient. Thus, the patient has an elevated risk for several diseases, such as infections with the varicella-zoster virus. Prevention protocols have been proposed based on the use of acyclovir from the first day of conditioning, and maintaining this drug for 30-100 days after the procedure or for as much as one year. The objective of this work was to evaluate the incidence of herpes zoster after autologous transplantations related to the early suspension of acyclovir. METHODS: A retrospective study was carried out based on the collection of data from 231 medical records of transplant patients in the Bone Marrow Transplant Unit of the teaching hospital of the Universidade Federal de Juiz de Fora in the period between 2004 and 2014. RESULTS: Fourteen (6.1%) patients had herpes zoster in the post-transplant period on average within six months of the procedure. Patients with multiple myeloma (64.3%) were the most affected. There was a statistically significant difference in the age of the patients, with older individuals having a greater chance of developing the infection (p-value=0.002). There were no significant differences for the other variables analyzed. CONCLUSION: The early suspension of acyclovir can be safe in patients who receive autologous hematopoietic stem cell transplants. However some groups may benefit from extended prophylaxis with acyclovir, particularly older patients and patients with multiple myeloma. PMID- 27863755 TI - Identification of the MYST3-CREBBP fusion gene in infants with acute myeloid leukemia and hemophagocytosis. AB - BACKGROUND: Acute myeloid leukemia presenting the MYST3-CREBBP fusion gene is a rare subgroup associated with hemophagocytosis in early infancy and monocytic differentiation. The aim of this study was to define the relevant molecular cytogenetic characteristics of a unique series of early infancy acute myeloid leukemia cases (<=24months old), based on the presence of hemophagocytosis by blast cells at diagnosis. METHODS: A series of 266 infant cases of acute myeloid leukemia was the reference cohort for the present analysis. Acute myeloid leukemia cases with hemophagocytosis by blast cells were reviewed to investigate the presence of the MYST3-CREBBP fusion gene by fluorescence in situ hybridization (FISH) and reverse transcription polymerase chain reaction. RESULTS: Eleven cases with hemophagocytosis were identified with hemophagocytic lymphohistiocytosis being ruled out. Six cases were classified as myelomonocytic leukemia, three as AML-M7 and two as AML-M2. In five cases, the presence of the MYST3-CREBBP fusion gene identified by molecular cytogenetics was confirmed by fluorescence in situ hybridization. All patients received treatment according to the Berlin-Frankfurt-Munster acute myeloid leukemia protocols and only one out of the five patients with the MYST3-CREBBP fusion gene is still alive. CONCLUSIONS: Our findings demonstrate that the presence of hemophagocytosis in acute myeloid leukemia was not exclusively associated to the MYST3-CREBBP fusion gene. Improvements in molecular cytogenetics may help to elucidate more complex chromosomal rearrangements in infants with acute myeloid leukemia and hemophagocytosis. PMID- 27863757 TI - Is it feasible to use granulocyte-colony stimulating factor alone to mobilize progenitor cells in multiple myeloma patients induced with a cyclophosphamide, thalidomide and dexamethasone regimen? AB - BACKGROUND: Cyclophosphamide plus thalidomide as induction for multiple myeloma patients eligible for autologous stem cell transplantation may be a limiting factor for cell mobilization. The minimum acceptable mobilized peripheral blood stem cell count to prevent deleterious effects during transplantation is 2.0*106 CD34+ cells/kg. Combining other treatments to granulocyte-colony stimulating factor, such as cyclophosphamide, could overcome the mobilization limitation. The objective of this study was to assess the number of CD34+ cells mobilized using granulocyte-colony stimulating factor with and without cyclophosphamide after induction with cyclophosphamide, thalidomide and dexamethasone. METHODS: A retrospective study was performed of a cohort of multiple myeloma patients submitted to autologous stem cell transplantations at two Brazilian centers between May 2009 and July 2013. The oral cyclophosphamide and thalidomide induction doses used were 1500mg/month and 100-200mg/day, respectively. Mobilization doses were 10-15mcg/kg granulocyte-colony stimulating factor with 2 4g/m2 cyclophosphamide, or 15-20mcg/kg granulocyte-colony stimulating factor alone for 5 days. Collection of >2.0*106 CD34+ cells/kg was considered sufficient. RESULTS: Eighty-eight patients were analyzed; only 18 received cyclophosphamide. The median age was 58 years old (range: 51-62) for the granulocyte-colony stimulating factor group and 56.5 years old (range: 54-60) for granulocyte-colony stimulating factor plus cyclophosphamide group. Fifty-two patients were male. Eighty cases (90.9%) were Durie-Salmon Staging System III-A/B and 38 (44.7%) and 20 cases (23.5%) were International Staging System 2 and 3, respectively. The group that received cyclophosphamide collected a higher median number of progenitor cells [3.8 (range: 3.1-4.4) vs. 3.2 (range: 2.3-3.8)] (p value=0.008). No correlation was observed between better responses or number of induction cycles and the number of cells collected. CONCLUSION: The number of cells mobilized with granulocyte-colony stimulating factor plus cyclophosphamide was higher. However, in both groups, the median number of CD34+ cells was sufficient to perform a single autologous stem cell transplantation; no deleterious effects were reported during harvesting. PMID- 27863758 TI - Determination of reference ranges for immature platelet and reticulocyte fractions and reticulocyte hemoglobin equivalent. AB - INTRODUCTION: The immature platelet and immature reticulocyte fractions represent the ratios of platelets and reticulocytes recently released into the circulation and thus with higher RNA content. They are considered early indicators of bone marrow recovery. OBJECTIVE: The aim of this study was to determine the reference ranges for the immature platelet and reticulocyte fractions of hematologically normal individuals in a university hospital. METHODS: Venous blood samples collected in ethylenediaminetetraacetic acid K3 were analyzed using a Sysmex XE 5000TM analyzer. Individuals with platelet and reticulocyte counts within the reference ranges, and a blood count within the laboratory's screening criteria were included. Individuals with clinical conditions that could affect hematological results were excluded. The immature platelet fraction, high, medium and low fluorescence reticulocyte fractions and reticulocyte hemoglobin equivalent were evaluated. The reference ranges were determined according to the recommendations of the International Federation of Clinical Chemistry. RESULTS: One hundred and thirty-two outpatients were evaluated. The mean age was 44 years (range: 13-80 years), 72 (54.5%) were women treated in a university hospital. The mean platelet count was 250.8*109/L and the mean reticulocyte count was 0.052*109/L. The following reference ranges were obtained: immature reticulocyte fraction 1.6-12.1%, the high, medium and low fluorescence reticulocyte fractions were 0.0-1.7%, 1.6-11.0% and 87.9-98.4%, respectively, the reticulocyte hemoglobin equivalent was 30.0-37.6% and immature platelet fraction was 0.8-5.6%. There was a statistically significant difference (p-value=0.006) between genders in respect to the immature platelet fraction with 0.8-4.7% for females and 0.7 6.1% for males. The immature reticulocyte fraction was directly correlated with the reticulocyte count. CONCLUSION: Determining the reference range is critical to the introduction of a new parameter. The reference ranges obtained herein corroborate those reported in previous publications and will contribute to the clinical and laboratory application of the indices. PMID- 27863759 TI - Outcomes of allogeneic hematopoietic stem cell transplantation for lymphomas: a single-institution experience. AB - INTRODUCTION: Allogeneic hematopoietic stem cell transplantation offers the opportunity for extended survival in patients with Hodgkin's and non-Hodgkin lymphomas who relapsed after, or were deemed ineligible for, autologous transplantation. This study reports the cumulative experience of a single center over the past 14 years aiming to define the impact of patient, disease, and transplant-related characteristics on outcomes. METHODS: All patients with histologically confirmed diagnosis of Hodgkin's or non-Hodgkin lymphomas who received allogeneic transplantation from 2000 to 2014 were retrospectively studied. RESULTS: Forty-one patients were reviewed: 10 (24%) had Hodgkin's and 31 (76%) had non-Hodgkin lymphomas. The median age was 50 years and 23 (56%) were male. The majority of patients (68%) had had a prior autologous transplantation. At the time of allogeneic transplantation, 18 (43%) patients were in complete and seven (17%) were in partial remission. Most (95%) patients received reduced intensity conditioning, 49% received matched sibling donor grafts, 24% matched unrelated donor grafts, and 27% received double umbilical cord blood grafts. The 100-day treatment-related mortality rate was 12%. After a median duration of follow up of 17.1 months, the median progression-free and overall survival was 40.5 and 95.8 months, respectively. On multivariate analysis, patients who had active disease at the time of transplant had inferior survival. CONCLUSIONS: Allogeneic transplantation results extend survival in selected patients with relapsed/refractory Hodgkin's and non-Hodgkin lymphomas with low treatment related mortality. Patients who have active disease at the time of allogeneic transplantation have poor outcomes. PMID- 27863760 TI - Splicing factor SF3B1 mutations and ring sideroblasts in myelodysplastic syndromes: a Brazilian cohort screening study. AB - BACKGROUND: Myelodysplastic syndromes (MDS) comprise a group of malignant clonal hematologic disorders characterized by ineffective hematopoiesis and propensity for progression to acute myeloid leukemia. Acquired mutations in the gene encoding RNA splicing factor 3B subunit 1 (SF3B1) are highly associated with the MDS subtypes presenting ring sideroblasts, and represent a specific nosological entity. The effects of these mutations on clinical outcomes are diverse and contrasting. METHODS: A cohort of 91 Brazilian MDS patients, including patients with ring sideroblasts in the bone marrow, were screened for mutations in the SF3B1 hotspots (exons 12-15) by direct Sanger sequencing. RESULTS: SF3B1 heterozygous mutations were identified in six patients (7%), all of them with ring sideroblasts, thus confirming the association between SF3B1 mutations and myelodysplastic syndrome subtypes bearing this morphologic feature (frequency of 6/13, p-value<0.0001). CONCLUSION: This is the first screening of SF3B1 mutations in a cohort of Brazilian myelodysplastic syndrome patients. Our findings confirm that mutations in this splicing gene correlate with bone marrow ringed sideroblasts. PMID- 27863761 TI - Iron deficiency in cancer patients. AB - Anemia is a frequent complication in cancer patients, both at diagnosis and during treatment, with a multifactorial etiology in most cases. Iron deficiency is among the most common causes of anemia in this setting and can develop in nearly half of patients with solid tumors and hematologic malignancies. Surprisingly, this fact is usually neglected by the attending physician in a way that proper and prompt investigation of the iron status is either not performed or postponed. In cancer patients, functional iron deficiency is the predominant mechanism, in which iron availability is reduced due to disease or the therapy related inflammatory process. Hence, serum ferritin is not reliable in detecting iron deficiency in this setting, whereas transferrin saturation seems more appropriate for this purpose. Besides, lack of bioavailable iron can be further worsened by the use of erythropoiesis stimulating agents that increase iron utilization in the bone marrow. Iron deficiency can cause anemia or worsen pre existing anemia, leading to a decline in performance status and adherence to treatment, with possible implications in clinical outcome. Due to its frequency and importance, treatment of this condition is already recommended in many specialty guidelines and should be performed preferably with intravenous iron. The evidences regarding the efficacy of this treatment are solid, with response gain when combined with erythropoiesis stimulating agents and significant increments in hemoglobin as monotherapy. Among intravenous iron formulations, slow release preparations present more favorable pharmacological characteristics and efficacy in cancer patients. PMID- 27863762 TI - Structural diversity and biological importance of ABO, H, Lewis and secretor histo-blood group carbohydrates. AB - ABO, H, secretor and Lewis histo-blood system genes control the expression of part of the carbohydrate repertoire present in areas of the body occupied by microorganisms. These carbohydrates, besides having great structural diversity, act as potential receptors for pathogenic and non-pathogenic microorganisms influencing susceptibility and resistance to infection and illness. Despite the knowledge of some structural variability of these carbohydrate antigens and their polymorphic levels of expression in tissue and exocrine secretions, little is known about their biological importance and potential applications in medicine. This review highlights the structural diversity, the biological importance and potential applications of ABO, H, Lewis and secretor histo-blood carbohydrates. PMID- 27863763 TI - Guidelines on Beta-thalassemia major - regular blood transfusion therapy: Associacao Brasileira de Hematologia, Hemoterapia e Terapia Celular: project guidelines: Associacao Medica Brasileira - 2016. PMID- 27863766 TI - A closer look into blood group discrepancy arising due to an underlying malignancy. PMID- 27863765 TI - A clinical challenge: Treatment of acute myeloid leukemia in a Jehovah's Witness. PMID- 27863767 TI - Stroke-like encephalopathy following high-dose intravenous methotrexate in an adolescent with osteosarcoma: a case report. PMID- 27863769 TI - Erratum to "Frequencies of polymorphisms of Rh, Kell, Kidd, Duffy and Diego systems of Santa Catarina, southern Brazil" [Rev Bras Hematol Hemoter. 2016;38(3):199-205]. PMID- 27863764 TI - Diagnosis and treatment of chronic lymphocytic leukemia: recommendations from the Brazilian Group of Chronic Lymphocytic Leukemia. AB - Chronic lymphocytic leukemia is characterized by clonal proliferation and progressive accumulation of B-cell lymphocytes that typically express CD19+, CD5+ and CD23+. The lymphocytes usually infiltrate the bone marrow, peripheral blood, lymph nodes, and spleen. The diagnosis is established by immunophenotyping circulating B-lymphocytes, and prognosis is defined by two staging systems (Rai and Binet) established by physical examination and blood counts, as well as by several biological and genetic markers. In this update, we present the recommendations from the Brazilian Group of Chronic Lymphocytic Leukemia for the diagnosis and treatment of chronic lymphocytic leukemia. The following recommendations are based on an extensive literature review with the aim of contributing to more uniform patient care in Brazil and possibly in other countries with a similar social-economic profile. PMID- 27863768 TI - Differential profile of CDKN1A and TP53 expressions in bone marrow mesenchymal stromal cells from myeloid neoplasms. PMID- 27863770 TI - Chimney, periscope, or snorkel technique to relieve dysphagia. PMID- 27863771 TI - Selection of emission factor standards for estimating emissions from diesel construction equipment in building construction in the Australian context. AB - Emissions from equipment usage and transportation at the construction stage are classified as the direct emissions which include both greenhouse gas (GHG) and non-GHG emissions due to partial combustion of fuel. Unavailability of a reliable and complete inventory restricts an accurate emission evaluation on construction work. The study attempts to review emission factor standards readily available worldwide for estimating emissions from construction equipment. Emission factors published by United States Environmental Protection Agency (US EPA), Australian National Greenhouse Accounts (AUS NGA), Intergovernmental Panel on Climate Change (IPCC) and European Environmental Agency (EEA) are critically reviewed to identify their strengths and weaknesses. A selection process based on the availability and applicability is then developed to help identify the most suitable emission factor standards for estimating emissions from construction equipment in the Australian context. A case study indicates that a fuel based emission factor is more suitable for GHG emission estimation and a time based emission factor is more appropriate for estimation of non-GHG emissions. However, the selection of emission factor standards also depends on factors like the place of analysis (country of origin), data availability and the scope of analysis. Therefore, suitable modifications and assumptions should be incorporated in order to represent these factors. PMID- 27863773 TI - Simulating the environmental performance of post-harvest management measures to comply with the EU Nitrates Directive. AB - Nitrate (NO3-) leaching from farmland remains the predominant source of nitrogen (N) loads to European ground- and surface water. As soil mineral N content at harvest is often high and may increase by mineralisation from crop residues and soil organic matter, it is critical to understand which post-harvest management measures can be taken to restrict the average NO3- concentration in ground- and surface waters below the norm of 50 mg l-1. Nitrate leaching was simulated with the EU-rotate_N model on a silty and a sandy soil following the five main arable crops cultivated in Flanders: cut grassland, silage maize, potatoes, sugar beets and winter wheat, in scenarios of optimum fertilisation with and without post harvest measures. We compared the average NO3- concentration in the leaching water at a depth of 90 cm in these scenarios after dividing it by a factor of 2.1 to include natural attenuation processes occurring during transport towards ground- and surface water. For cut grassland, the average attenuated NO3- concentration remained below the norm on both soils. In order to comply with the Nitrates Directive, post-harvest measures seemed to be necessary on sandy soils for the four other crops and on silty soils for silage maize and for potatoes. Successful measures appeared to be the early sowing of winter crops after harvesting winter wheat, the undersowing of grass in silage maize and the removal of sugar beet leaves. Potatoes remained a problematic crop as N uptake by winter crops was insufficient to prevent excessive NO3- leaching. For each crop, maximum levels of soil mineral N content at harvest were proposed, both with and without additional measures, which could be used in future nutrient legislation. The approach taken here could be upscaled from the field level to the subcatchment level to see how different crops could be arranged within a subcatchment to permit the cultivation of problem crops without adversely affecting the water quality in such a subcatchment. PMID- 27863772 TI - The evolution of crop cultivation and paleoenvironment in the Longji Terraces, southern China: Organic geochemical evidence from paleosols. AB - The Longji ancient agricultural terraces in the Longji Mountain area (Guilin, southern China), which still remain in use, are famous for their magnificent terraced landscape with a mix of ecosystem and human inhabitation. Previous research has revealed the genesis and preliminary paleoenvironmental record of the agricultural terraces, but little is known about variations in crop cultivation over time. In this study, organic geochemical analyses and radiocarbon dating of an aggradational cultivated soil from a terrace profile were used to explore crop type variation and relevant paleoenvironmental change during the period of cultivation on the Longji Terraces. Hydroponic farming with rice (C3) planting has been the dominant cultivation mode since the initial construction of the terraces. Warm-dry climate contributed to the growth of drought-tolerant crop (C4) cultivation in the late 15th century. Temperature deterioration during the Little Ice Age had a negative impact on dry and hydroponic farming activities from the late 15th century to the late 19th century, while climate warming after the Little Ice Age promoted the redevelopment of hydroponic farming. PMID- 27863774 TI - [Women's knowledge of folic acid]. AB - Many trials have shown that folic acid supplementation before and during pregnancy reduces the risk of neural tube defects in general population. We investigated the knowledge of folic acid in women of child-bearing age. Women of child-bearing age were interviewed by 20 pharmacists living in Haute-Garonne between January and February 2014. One hundred ninety-six women were included in the present study. Out of them, 36% of women never heard of folic acid and 82% were not aware of its benefits. Knowledge was higher in older women, women in a couple and women with higher educational level (P<10-2). This study underlines that women are not enough aware of benefits of folic acid during pregnancy. Moreover, previous studies have shown that French women have low use of folic acid during peri-conceptional period. Information of general population will be required for a better prevention of folic acid-preventable NTDs. PMID- 27863775 TI - Operation for insulinomas in multiple endocrine neoplasia type 1: When pancreatoduodenectomy is appropriate. AB - BACKGROUND: Distal pancreatectomy is the most frequent operation for insulinomas complicating multiple endocrine neoplasia type 1 insulinoma, although there are conditions for which a different operative approach might be preferable. In this article, we report the operative experience of a referral center for multiple endocrine neoplasia type 1 insulinoma. METHODS: Twelve patients underwent operations between 1992 and 2015: 8 underwent a distal pancreatic resection, and 4 underwent a pancreatoduodenectomy. Enucleation of other macroadenomas present in the remnant pancreas was performed in 9 out of these 12 patients. RESULTS: Operative complications (2 pancreatic fistulas and 2 cases of pancreatitis) occurred in 4 of the 8 distal pancreatic resections. In 1 patient, reoperation was required to resolve the complications of the first operation. At pathologic analysis, multiple insulinomas were found in 5 patients, lymph-nodal metastasis positive for insulin in 2 patients, multiple nonfunctioning pancreatic tumors in all patients, glucagonoma in 4 patients, and gastrinoma in the duodenum or lymph nodes in 4 patients. All the patients were treated successfully for the hypoglycemic/hyperinsulinemic syndrome with no clinical recurrence at a mean follow-up of 85 months (range 4-242 months). Recurrent nonfunctioning pancreatic tumor macroadenomas in the remnant pancreas occurred in only 1 of the 12 patients, and no progression of the gastrinomas was observed. None of the patients developed diabetes mellitus. CONCLUSION: Resection of the most severely affected part of the pancreas, whether left or right, associated with enucleation of concomitant macroadenomas in the preserved pancreas is recommended for the treatment of hypoglycemic/hyperinsulinemic syndrome and to prevent malignant progression of nonfunctioning pancreatic tumors in patients with multiple endocrine neoplasia type 1. If the head of the pancreas is the most affected site and the Zollinger-Ellison syndrome is concomitant, then pancreatoduodenectomy should be preferred over distal pancreatectomy. PMID- 27863776 TI - Parathyroidectomy prior to kidney transplant decreases graft failure. AB - BACKGROUND: Uncorrected uremic hyperparathyroidism is associated with delayed graft function after kidney transplantation. The current guidelines of the Kidney Disease Improving Global Outcomes recommend maintaining parathyroid hormone <=9x normal in patients pre-kidney transplantation. This study explores the effect of increased levels of serum parathyroid hormone and preoperative parathyroidectomy on outcomes after kidney transplantation. METHODS: A retrospective review was performed of adult patients who underwent kidney transplantation between January 1, 2005, and December 31, 2014, at a single institution. Biochemistries and outcomes were analyzed pre-kidney transplantation and at 30 days, 6 months, and 1 year post-kidney transplantation. RESULTS: A total of 913 patients underwent kidney transplantation from 2005-2014. Graft survival 1 year post-kidney transplantation was 97.8%. Overall, 462 (50.6%) patients had a pre-kidney transplantation diagnosis of uncorrected uremic hyperparathyroidism, which was associated with complications in the first year post-kidney transplantation (odds ratio 1.44; 95% confidence interval, 1.11-1.87); no statistical association with delayed graft function or graft failure was detected. Pre-kidney transplantation parathyroid hormone >=6x normal was associated with post-kidney transplantation graft failure (P < .05). A total of 57 (6.2%) patients underwent pre-kidney transplantation parathyroidectomy, which was associated with lesser risk of graft failure (odds ratio: 0.547; 95% confidence interval, 0.327-0.913), but no statistically significant association with delayed graft function or complications were detected. CONCLUSION: Pre-kidney transplantation parathyroidectomy decreases post-kidney transplantation graft failure and may benefit patients whose serum parathyroid hormone levels decrease into the target range of current Kidney Disease Improving Global Outcomes guidelines. PMID- 27863777 TI - Concentration of serum calcium is not correlated with symptoms or severity of primary hyperparathyroidism: An examination of 20,081 consecutive adults. AB - BACKGROUND: Guidelines for operative treatment of primary hyperparathyroidism include calcium levels >1 mg/dL above normal. We sought to determine whether greater calcium concentrations were associated with increased symptoms or disease severity. METHODS: A retrospective review of a prospectively maintained database of adults undergoing parathyroidectomy for primary hyperparathyroidism, grouped according to greatest preoperative calcium level: those patients with calcium concentrations between 10.0 and 11.0 mg/dL and those with >11.0 mg/dL. We compared subjective symptoms and objective measures of disease severity. RESULTS: The review included 20,081 adults who were split nearly evenly between calcium concentrations between 10.0 and 11.0 (10,430, 51.9%) and those with >11.0 mg/dL (9,651, 48.1%). In both groups, an absence of symptoms related to primary hyperparathyroidism was uncommon (<5%). All subjective and objective measures of disease severity were nearly identical with no significant differences (percentages for calcium concentrations between 10.0 and 11.0 and those with >11.0 mg/dL, respectively), including fatigue (72% for both groups), heartburn (37% vs 34%), bone pain (50% vs 48%), sleep disturbances (68% vs 65%), osteoporosis (40% in both groups), kidney stones (21% vs 22%), chronic kidney disease with glomerular filtration rate <60 (29% vs 32%), and hypertension (50% vs 53%). CONCLUSION: Serum calcium concentrations of greater than or less than 11 mg/dL are unrelated to symptoms and disease severity in primary hyperparathyroidism. There is no evidence to support a serum calcium threshold in parathyroidectomy guidelines. PMID- 27863778 TI - Discussion. PMID- 27863779 TI - How long should we follow patients after apparently curative parathyroidectomy? AB - BACKGROUND: Little is known about the long-term recurrence risk for primary hyperparathyroidism after immediately "curative" parathyroidectomy. This study aimed to evaluate the risk of recurrent hyperparathyroidism in the 10 years after operation. METHOD: We retrospectively identified patients with sporadic primary hyperparathyroidism undergoing initial parathyroidectomy between November 1, 2000 and June 30, 2005. Recurrence was defined as serum calcium >10.2 mg/dL after 6 months from operation. Kaplan-Meier estimates and Cox proportional hazards were used to evaluate disease-free survival and predictors of recurrence. RESULTS: We evaluated 196 patients with a 14.8% 10-year recurrence rate. Median time to recurrence was 6.3 years (interquartile range 3.4-10.8 years), and 34.5% of all recurrences were identified >10 years after operation. There was no difference in recurrence between open and minimally invasive operation (P = .448). Double adenomas (P = .006), intraoperative parathyroid hormone drop <70% (P = .015), and young age (P = .032) were predictive of disease recurrence. Multivariable analysis demonstrated that older age was protective against recurrence (hazard ratio 0.97, 95% confidence interval 0.94-0.99, P = .034), while double adenomas (hazard ratio 3.52, 95% confidence interval 1.23-10.08, P = .019) were an independent predictor for recurrence. CONCLUSION: The long-term recurrence rate for sporadic primary hyperparathyroidism after "curative" parathyroidectomy is likely greater than reported. With over one-third of our institutional recurrences at >10 years after the initial operation, long-term follow-up is essential. PMID- 27863781 TI - Discussion. PMID- 27863782 TI - Discussion. PMID- 27863780 TI - Identification of primary tumors in patients presenting with metastatic gastroenteropancreatic neuroendocrine tumors. AB - BACKGROUND: Patients with gastroenteropancreatic neuroendocrine tumors often present with metastases. Identification of the primary tumor is important for operative management, and therefore we sought to determine our success at identifying primary tumors with diagnostic testing and operative exploration. METHODS: A clinical neuroendocrine tumor database was reviewed to identify patients presenting with metastases and primary tumor in situ. Results of radiologic, endoscopic, and operative procedures were evaluated to determine which correctly identified the primary tumor. RESULTS: There were 197 patients presenting with metastases and unresected primaries, 134 who had an operation and 63 managed nonoperatively. Primaries were identified preoperatively in 168 (84%), at operative exploration in 7, and were not found in 22 patients. Computed tomography found 150/197 primary tumors, somatostatin-receptor scintigraphy 88/155, and endoscopy 43/107. The sensitivity of computed tomography surpassed scintigraphy (76% vs 57%, P < .01). The primary was removed in 130/134 (97%) patients, and hepatic debulking was performed in 67%. Median survival for operative patients with small bowel and pancreatic tumors was 145 and 71 months, respectively. CONCLUSION: Imaging and endoscopy identified the primary tumor in most patients, and the majority of the others were found at exploration. Preoperative testing facilitated operative planning, allowing for resection of the primary and hepatic debulking in most patients. PMID- 27863783 TI - Discussion. PMID- 27863784 TI - Discussion. PMID- 27863785 TI - Discussion. PMID- 27863786 TI - Preoperative detection of RAS mutation may guide extent of thyroidectomy. AB - BACKGROUND: Preoperative detection of RAS mutations can contribute to cancer risk assessment in indeterminate thyroid nodules, although RAS is not always associated with malignancy. METHODS: Fine-needle aspiration samples classified in 1 of 3 indeterminate cytology categories were prospectively tested for N-, H-, and K-RAS mutations using next-generation sequencing assay. RESULTS: In the study, 93 patients with 94 nodules had preoperative RAS detected, of whom 86 patients had an operation (69% total thyroidectomy, 29% lobectomy). In total, 76% of RAS-positive nodules were malignant and follicular variant papillary thyroid cancer was the most common cancer type (83%). HRAS mutations had the greatest risk of cancer (92%) followed by NRAS (74%) and KRAS (64%; P = .05). No preoperative variables were associated with malignancy including age (P = .07), sex (P = .49), RAS isoform (P = .05), mutational allelic frequency (P = .49), nodule size (P = .14), cytology category (P = .63), or ultrasound bilaterality (P = .24), multifocality (P = .23), or presence of >=1 suspicious feature (P = .86). Only 60% of patients with a unifocal nodule on ultrasound had single focus low risk encapsulated follicular variant papillary thyroid cancer or benign disease. CONCLUSION: Preoperative RAS mutation detection in thyroid nodules carries a substantial risk of cancer with a greater risk associated with HRAS and NRAS. Most RAS malignancies are follicular variant papillary thyroid cancer, which may inform the extent of operation. PMID- 27863787 TI - Characterizing the operative findings and utility of intraoperative parathyroid hormone (IOPTH) monitoring in patients with normal baseline IOPTH and normohormonal primary hyperparathyroidism. AB - BACKGROUND: During parathyroidectomy with intraoperative parathyroid hormone monitoring, the successful removal of a hypersecreting gland(s) resulting in normocalcemia is indicated by a >50% decrease in intraoperative parathyroid hormone level, typically into the normal range. Some patients, however, will have baseline parathyroid hormone levels within the normal range. We sought to determine the utility of intraoperative parathyroid hormone testing in these patients. METHODS: We retrospectively studied all patients who underwent parathyroidectomy for primary hyperparathyroidism at our institution over a 10 year period. RESULTS: Overall, 317 (17%) patients had parathyroid hormone within the normal range at the onset of operation (baseline intraoperative parathyroid hormone), and 1,544 (83%) had classic primary hyperparathyroidism. The intraoperative parathyroid hormone degradation was slower in normal baseline intraoperative parathyroid hormone patients than classic primary hyperparathyroidism patients, though this did not reach statistical significance (P < .254). A >50% intraoperative parathyroid hormone decrease predicted cure in 98.7% of normal baseline patients and 98.8% of classic primary hyperparathyroidism patients (P = .810). Normal baseline patients had a lesser cure rate the longer it took to achieve a 50% decrease intraoperatively; however, the cure rate was constant at any time point the 50% decrease occurred in patients with classic primary hyperparathyroidism (P < .05). CONCLUSION: The 50% rule delineating operative cure can be applied with equal confidence to patients with normal range, baseline intraoperative parathyroid hormone. Moreover, the time at which the 50% drop is achieved impacts operative success rates in these patients. PMID- 27863788 TI - Editorial: Treatment decision making in the era of genetic testing and molecular diagnostics. PMID- 27863790 TI - The history of the American Association of Endocrine Surgeons' Oliver Cope Meritorious Achievement Award and its eighth recipient: Stuart D. Wilson. PMID- 27863791 TI - Discussion. PMID- 27863789 TI - Comparative analysis of radioactive iodine versus thyroidectomy for definitive treatment of Graves disease. AB - BACKGROUND: Management of Graves disease includes antithyroid drugs, 131I therapy, or thyroidectomy. Our aim was to review our institutional experience with definitive treatments for Graves disease. METHODS: This was a retrospective review of patients undergoing 131I therapy (n = 295) or thyroidectomy (n = 103) for Graves disease (2003-2015). Demographic, clinical, pathology, and outcome data were collected from institutional databases. RESULTS: 131I therapy patients were older (39.1 years vs 33.4 years, P = .001). There was no difference in the presence of ophthalmopathy between groups. A larger proportion of children received thyroidectomy than 131I therapy (17.1% vs 9.2%, P = .026). The success rate of the first 131I therapy dose was 81.4%. Overall success rate, including additional doses, was 90.1%. Rapid turnover of iodine correlated with 131I therapy failure (58.3% rapid turnover failure vs 14.9% non-rapid turnover failure, P < .05). All surgical patients underwent total or near-total thyroidectomy. 131I therapy complications included worsening thyrotoxicosis (1%) and deteriorating orbitopathy (0.7%). Operative complications were higher than 131I therapy complications (P < .05) but were transient. There was no worsening orbitopathy or recurrent Graves disease among surgical patients. CONCLUSION: A higher proportion of pediatric Graves disease patients underwent thyroidectomy than 131I therapy. Rapid turnover suggested more effective initial management with operation than 131I therapy. Although transient operative complications were high, 131I therapy complications included worsening of Graves orbitopathy among those with pre-existing orbitopathy. PMID- 27863792 TI - Presence of Latent Myofascial Trigger Points and Determination of Pressure Pain Thresholds of the Shoulder Girdle in Healthy Children and Young Adults: A Cross sectional Study. AB - OBJECTIVE: The primary objective of this study was to compare the number of myofascial trigger points (MTPs) and the pressure pain thresholds (PPTs) in the shoulder girdle, on the dominant and nondominant sides, between healthy children and adults. The secondary aim was to assess the correlations between the number of MTPs and the PPTs in these populations. METHODS: A cross-sectional study was performed. Thirty-five children (aged 9.1 +/- 1.7 years) and 35 adults (aged 23.4 +/- 3.4 years) with no history of shoulder or cervical pathology were included. All participants were examined for MTPs in the shoulder muscles and assessed for PPTs in the neck, shoulder, and tibialis anterior. Parametric and nonparametric tests, effect sizes, and odds ratios were used to determine the differences between groups and sides. Spearman's sigma test was used to assess correlations between latent MTPs (LTPs) and PPTs in each group. RESULTS: Children had fewer LTPs than adults did (P = .03). The upper trapezius was the muscle with the largest number of LTPs, affecting 13 adults on the dominant side. Children had lower PPTs compared with adults (P < .05). Correlations between the number of LTPs (on both sides and in total) and PPTs were observed only in adults. CONCLUSIONS: Healthy children have fewer LTPs and lower PPTs in the shoulder girdle than healthy adults. A relationship was observed between sensitivity to pressure and the presence of LTPs in adults, in whom lower PPT was associated with more LTPs. This relationship was not detected in children. PMID- 27863793 TI - Plantar pressure asymmetry and risk of stress injuries in the foot of young soccer players. AB - BACKGROUND: Asymmetries in the magnitude of plantar pressure are considered a risk factor for stress fracture of the fifth metatarsal in soccer athletes. OBJECTIVE: To investigate the presence of plantar pressure asymmetries among young soccer athletes. DESIGN: Observational. SETTING: Laboratory. PARTICIPANTS: Thirty young adolescents divided into a soccer player group (n = 15) or a matched control group (n = 15). MAIN OUTCOME MEASURES: Mean plantar pressure was determined for seven different regions of the foot. Data were compared between the preferred and non-preferred foot, and between the groups, during barefoot standing on a pressure mat system. RESULTS: Higher pressure was found in the hallux, 5th metatarsal and medial rearfoot of the non-preferred foot in the young soccer players. These asymmetries were not observed in the control group. Magnitudes of plantar pressure did not differ between the groups. CONCLUSION: Young soccer players present asymmetries in plantar pressure in the hallux, 5th metatarsal and medial rearfoot, with higher pressure observed in the non preferred foot. PMID- 27863794 TI - Biotransfer of Cd along a soil-plant- mealybug-ladybird food chain: A comparison with host plants. AB - Agro-ecosystem contamination by the heavy metals present in different agricultural products is a serious challenge faced by the living organisms. This study explains the cadmium (Cd) transfer from soils contaminated with different cadmium concentrations through a plant (eggplant and tomato) - mealybug (Dysmicoccus neobrevipes) - predator (Cryptolaemus-montrouzieri) food chain. The soils were amended with Cd at the rates of 0, 12.5, 25 and 50 mg/kg (w/w). Our findings showed that considerably higher Cd transfer through tomato plant. Cadmium was biomagnified during soil-root transfer while bio-minimization of Cd was observed for shoot-mealybug - ladybird transfer. Our results further showed sequestration of Cd during the metamorphosis of ladybird beetle whilst transfer of Cd through soil-plant-mealybug-ladybird multi-trophic food chain increased in a dose dependent manner. Our results emphasize the need of further studies to elaborate possible mechanisms of Cd bio-minimization by plants, mealybugs and ladybirds observed during this study. PMID- 27863795 TI - Decomposition of acetaminophen in water by a gas phase dielectric barrier discharge plasma combined with TiO2-rGO nanocomposite: Mechanism and degradation pathway. AB - Acetaminophen (APAP) served as the model pollutant to evaluate the feasibility of pollutant removal by gas phase dielectric barrier discharge plasma combined with the titanium dioxide-reduced Graphene Oxide (TiO2-rGO) nanocomposite. TiO2-rGO nanocomposite was prepared using the modified hydrothermal method and characterized by TEM and XPS before and after plasma process. The results indicated that the APAP degradation efficiency was significantly improved to 92% after 18min of discharge plasma treatment coupling 0.25gL-1 TiO2-rGO 5%wt at 18kV, compared with the plasma alone and plasma combined with P25 TiO2. The degradation mechanism for APAP in this system was studied by investigating the effects of the operational variables (e.g. discharge voltage and pH value) and the amount of the generated active species; and the results showed that O3 and H2O2 yields were influenced notably by adding TiO2-rGO. Also, it was observed that, compared with unused TiO2-rGO, the photocatalytic performance of used TiO2 rGO declined after several recirculation times due to the further reduction of Graphene Oxide in plasma system. Finally, intermediate products were analyzed by UV-vis spectrometry and HPLC/MS, and possible transformation pathways were identified with the support of theoretically calculating the frontier electron density of APAP. PMID- 27863796 TI - Reprint of "Extracellular production of tellurium nanoparticles by the photosynthetic bacterium Rhodobacter capsulatus". AB - The toxic oxyanion tellurite (TeO32-) is acquired by cells of Rhodobacter capsulatus grown anaerobically in the light, via acetate permease ActP2 and then reduced to Te0 in the cytoplasm as needle-like black precipitates. Interestingly, photosynthetic cultures of R. capsulatus can also generate Te0 nanoprecipitates (TeNPs) outside the cells upon addition of the redox mediator lawsone (2-hydroxy 1,4-naphtoquinone). TeNPs generation kinetics were monitored to define the optimal conditions to produce TeNPs as a function of various carbon sources and lawsone concentration. We report that growing cultures over a 10 days period with daily additions of 1mM tellurite led to the accumulation in the growth medium of TeNPs with dimensions from 200 up to 600-700nm in length as determined by atomic force microscopy (AFM). This result suggests that nucleation of TeNPs takes place over the entire cell growth period although the addition of new tellurium Te0 to pre-formed TeNPs is the main strategy used by R. capsulatus to generate TeNPs outside the cells. Finally, X-ray photoelectron spectroscopy (XPS) and Fourier transform infrared (FT-IR) analysis of TeNPs indicate they are coated with an organic material which keeps the particles in solution in aqueous solvents. PMID- 27863797 TI - Stabilization of Pb(II) accumulated in biomass through phosphate-pretreated pyrolysis at low temperatures. AB - The remediation of heavy metal-contaminated soil and water using plant biomass is considered to be a green technological approach, although the harmless disposal of biomass accumulated with heavy metals remains a challenge. A potential solution to this problem explored in this work involves combining phosphate pretreatment with pyrolysis. Pb(II) was accumulated in celery biomass with superior sorption capacity and also in ordinary wood biomass through biosorption. The Pb(II)-impregnated biomass was then pretreated with phosphoric acid or calcium dihydrogen phosphate (CaP) and pyrolyzed at 350 or 450 degrees C. Pb(II) from biomass was in turn almost totally retained in chars, and the percentage of DTPA-extractable Pb(II) was reduced to less than 5% of total Pb(II) in chars through CaP pretreatment. Pb(II) stabilization was further confirmed through a sequential extraction test, which showed that more than 95% of Pb(II) was converted into stable species composed mainly of lead phosphates according to X ray diffraction (XRD) and scanning electron microscopy/energy-dispersive X-ray spectroscopy (SEM/EDX) analyses. Overall, phosphate-pretreated pyrolysis can stabilize both Pb(II) and degradable biomass, so as to control efficiently the hazards of heavy metal-contaminated biomass. PMID- 27863798 TI - Use of soil amendments to immobilize antimony and lead in moderately contaminated shooting range soils. AB - Shooting ranges are a source of environmental concern around the world as they are a source of toxic antimony (Sb) and lead (Pb). In-situ chemical stabilization is a strategy to reduce metal(loid) leaching and bioavailability. However it is difficult to find the right treatment due to the fact that Pb is a cation and Sb an anion, under oxidised conditions and they often show the opposite mobility in soil, on the application of amendments. A batch experiment was set up with two soils (slightly acidic and alkaline), two red mud based amendments (ViroSoilTM 1 and 2) alone and in combination with two reducing agents (zero valent iron and iron sulphate), to assess the effect of the treatments on metal(loid) leaching and compare it to unamended soil and soil amended with goethite, a known Sb adsorbent. Iron sulphate was effective at reducing Sb leaching due to the reduction of SbV to SbIII which bound more strongly to iron (hyr)oxides in soil. However it had an adverse effect on the leaching of Pb due to its acidifying effect and reductive dissolution of manganese (hyd)roxides. Combining ViroSoilTM amendments with FeSO4 still reduced Sb leaching but also Pb leaching and proved a suitable treatment. PMID- 27863799 TI - Retrospective analysis of the prevalence and incidence of caries in the distal surface of mandibular second molars in British military personnel. AB - Mandibular third molars are commonly removed because of distal caries in the adjacent tooth. To find out the prevalence of distal caries in mandibular second molars we retrospectively studied the primary care dental records of 720 British military personnel (653 men and 67 women) from various centres. These records are standardised and personnel are required to attend for inspection regularly. Those who had been under 20 years of age at enlistment, who had served for at least five years, and had five recorded dental inspections, were included. The median (IQR) period from the first to last inspection was 15 (9.7 - 19.2) years, and inspections were a median (IQR) of 14.1 (12.8 - 15.8) months apart. A total of 59/1414 (4.2%) mandibular second molars developed caries in their distal surfaces. This was 4% higher when they were associated with a partially-erupted mandibular third molar than when associated with one that was fully erupted or absent (29/414 (7%) compared with 30/1000 (3%); p=0.001). Carious lesions developed in the distal aspect of 22/133 mandibular second molars (16.5%) that were adjacent to a mesioangularly impacted third molar. Of these, 19/22 were successfully restored. Four mesioangularly impacted mandibular third molars would have to be extracted to prevent one case of distal caries in a second molar (number needed to treat=3.25). Second molars that are associated with a partially erupted mesioangular mandibular third molar have a higher risk of caries, and this can be reduced by removal of the third molar. However, distal caries in second molars seems to be a treatable and slowly-developing phenomenon and we recommend that the merits and risks of the prophylactic removal of third molars should be discussed with the patient, who should have long-term clinical and radiographic checks if the tooth is retained. PMID- 27863800 TI - Rare incidence of two histologically different, separate tumours in the right parotid gland. PMID- 27863801 TI - Long-acting injectable antipsychotics for the prevention of relapse in patients with recent-onset psychotic disorders: A systematic review and meta-analysis of randomized controlled trials. AB - This meta-analysis of randomized controlled trials (RCTs) investigated the advantages of long-acting injectable antipsychotics (LAI-APs) over oral antipsychotics (OAPs) with regard to efficacy and safety for patients with recent onset psychotic disorders. Effect sizes and 95% confidence intervals (95%CIs) were calculated. We identified five RCTs (1022 patients, mean study duration=18+/ 7.59 months) that compared LAI-APs (paliperidone or risperidone) with OAPs. Pooled LAI-APs did not outperform OAPs in terms of the preventing of relapse (N=3, n=875). However, there was significant heterogeneity (I2=76%), with one study showing no superiority of LAI-APs over OAPs [Malla 2013: risk ratio (RR)=1.83, 95%CI=0.70-4.77, n=77] and the other two studies showing LAI-APs to be superior [Schreiner 2015: [RR=0.71, 95%CI=0.51-0.97, number needed to treat (NNT)=-17, n=715, Subotnik 2015: RR=0.15, 95%CI=0.04-0.63, NNT=-4, n=83]. Pooling the studies, there were no significant differences between LAI-APs and OAPs in the improvement of Positive and Negative Syndrome Scale scores or in discontinuation due to all-cause, adverse events (AEs), and death, but LAI-APs outperformed OAPs in terms of discontinuation due to inefficacy (RR=0.34, NNT= 50) and nonadherence (RR=0.30, NNT=-33). However, the LAI-APs were associated with a higher incidence of at least one AE (RR=1.13) and tremor (RR=2.38) compared with OAPs. PMID- 27863802 TI - Calcium mass balance with citrate dialysate is lower than with acetate. PMID- 27863804 TI - Phthalate metabolites in 24-h urine samples of the German Environmental Specimen Bank (ESB) from 1988 to 2015 and a comparison with US NHANES data from 1999 to 2012. AB - The German Environmental Specimen Bank (ESB) continuously collects 24-h urine samples since the early 1980s in Germany. In this study we analyzed 300 urine samples from the years 2007 to 2015 for 21 phthalate metabolites (representing exposure to 11 parent phthalates) and combined the data with two previous retrospective measurement campaigns (1988 to 2003 and 2002 to 2008). The combined dataset comprised 1162 24-h urine samples spanning the years 1988 to 2015. With this detailed set of human biomonitoring data we describe the time course of phthalate exposure in Germany over a time frame of 27 years. For the metabolites of the endocrine disrupting phthalates di(2-ethylhexyl) phthalate (DEHP), di-n butyl phthalate (DnBP) and butylbenzyl phthalate (BBzP) we observed a roughly ten fold decline in median metabolite levels from their peak levels in the late 1980s/early 1990s compared to most recent levels from 2015. Probably, bans (first enacted in 1999) and classifications/labelings (enacted in 2001 and 2004) in the European Union lead to this drop. A decline in di-isobutyl phthalate (DiBP) metabolite levels set in only quite recently, possibly due to its later classification as a reproductive toxicant in the EU in 2009. In a considerable number of samples collected before 2002 health based guidance values (BE, HBM I) have been exceeded for DnBP (27.2%) and DEHP (2.3%) but also in recent samples some individual exceedances can still be observed (DEHP 1.0%). A decrease in concentration for all low molecular weight phthalates, labelled or not, was seen in the most recent years of sampling. For the high molecular weight phthalates, DEHP seems to have been substituted in part by di-isononyl phthalate (DiNP), but DiNP metabolite levels have also been declining in the last years. Probably, non phthalate alternatives increasingly take over for the phthalates in Germany. A comparison with NHANES (National Health and Nutrition Examination Survey) data from the United States covering the years 1999 to 2012 revealed both similarities and differences in phthalate exposure between Germany and the US. Exposure to critical phthalates has decreased in both countries with metabolite levels more and more aligning with each other, but high molecular weight phthalates substituting DEHP (such as DiNP) seem to become more important in the US than in Germany. PMID- 27863803 TI - Research domain criteria and the study of trauma in children: Implications for assessment and treatment research. AB - By definition, the Diagnostic and Statistical Manual (DSM) diagnosis of posttraumatic stress disorder (PTSD) requires exposure to a traumatic event. Yet, the DSM diagnostic requirements for children and adolescents for PTSD may fail to capture traumatized youth with significant distress and functional impairment. Many important studies have utilized PTSD diagnosis as a mechanism for grouping individuals for comparative studies examining brain functioning, neuroendocrinology, genetics, attachment, and cognition; however, focusing only on those with the diagnosis of PTSD can miss the spectrum of symptoms and difficulties that impact children who experience trauma and subsequent impairment. Some studying child trauma have focused on examining brain and biology of those with exposure and potential impairment rather than only those with PTSD. This line of inquiry, complementary to PTSD specific studies, has aided our understanding of some of the changes in brain structure and neuroregulatory systems at different developmental periods following traumatic exposure. Application of the Research Domain Criteria (RDoC) framework proposed by NIMH to the study of child trauma exposure and subsequent impairment is an opportunity to examine domains of function and how they are impacted by trauma. Research to date has focused largely in the areas of negative valence, regulatory, and cognitive systems, however those studying complex or developmental trauma have identified an array of domains that are impacted which map onto many of the RDoC categories. This paper will review the relevant literature associated with child trauma as it relates to the RDoC domains, outline areas of needed research, and describe their implications for treatment and the advancement of the field. PMID- 27863805 TI - Computational Dehydration of Crystalline Hydrates Using Molecular Dynamics Simulations. AB - Molecular dynamics (MD) simulations have evolved to an increasingly reliable and accessible technique and are today implemented in many areas of biomedical sciences. We present a generally applicable method to study dehydration of hydrates based on MD simulations and apply this approach to the dehydration of ampicillin trihydrate. The crystallographic unit cell of the trihydrate is used to construct the simulation cell containing 216 ampicillin and 648 water molecules. This system is dehydrated by removing water molecules during a 2200 ps simulation, and depending on the computational dehydration rate, different dehydrated structures were observed. Removing all water molecules immediately and removing water relatively fast (10 water molecules/10 ps) resulted in an amorphous system, whereas relatively slow computational dehydration (3 water molecules/10 ps) resulted in a crystalline anhydrate. The structural changes could be followed in real time, and in addition, an intermediate amorphous phase was identified. The computationally identified dehydrated structure (anhydrate) was slightly different from the experimentally known anhydrate structure suggesting that the simulated computational structure could represent a kinetically trapped dehydration intermediate. PMID- 27863806 TI - Pharmacokinetics, Safety, and Tolerability of Single and Multiple Doses of ABT 493: A First-In-Human Study. AB - ABT-493 is a hepatitis C virus nonstructural protein 3/4A protease inhibitor with pangenotypic antiviral activity. This study investigated the pharmacokinetics, safety, and tolerability of single and multiple ascending doses of ABT-493 and the effect of food and ritonavir coadministration on ABT-493 pharmacokinetics in healthy adults. In the blinded, randomized, placebo-controlled phase 1 single- and multiple-dose portions of the study, ABT-493 25-800 mg were evaluated as single doses, and 200, 400, and 800 mg were evaluated as multiple doses. The effect of food and ritonavir was assessed in a crossover unblinded fashion. ABT 493 pharmacokinetic parameters were estimated using noncompartmental methods. ABT 493 25-800 mg showed a greater than dose-proportional increase in exposures. Minimal accumulation (<=15%) was observed after ABT-493 200- and 400-mg multiple dosing; higher accumulations (approximately 80%) were observed after the 800-mg dose. ABT-493 harmonic mean half-life was 6-9 hours. Food had a minimal effect on ABT-493 exposures. All adverse events were assessed by the investigator as mild to moderate in severity, no serious adverse events were reported, and no subjects discontinued from the study. No clinically significant laboratory tests, vital signs, or electrocardiogram values were reported. A maximum tolerated dose was not reached. PMID- 27863807 TI - Head-to-head comparison of certolizumab pegol versus adalimumab in rheumatoid arthritis: 2-year efficacy and safety results from the randomised EXXELERATE study. AB - BACKGROUND: To date, head-to-head trials comparing the efficacy and safety of biological disease-modifying antirheumatic drugs within the same class, including TNF inhibitors, in patients with active rheumatoid arthritis despite methotrexate therapy are lacking. We aimed to compare the efficacy and safety of two different TNF inhibitors and to assess the efficacy and safety of switching to the other TNF inhibitor without a washout period after insufficient primary response to the first TNF inhibitor at week 12. METHODS: In this 104-week, randomised, single blind (double-blind until week 12 and investigator blind thereafter), parallel group, head-to-head superiority study (EXXELERATE), eligible patients from 151 centres worldwide were aged 18 years or older with a diagnosis of rheumatoid arthritis at screening, as defined by the 2010 ACR/EULAR criteria, and had prognostic factors for severe disease progression, including a positive rheumatoid factor, or anti-cyclic citrullinated peptide antibody result, or both. Participants were randomly assigned (1:1) via an interactive voice and web response system with no stratification to receive certolizumab pegol plus methotrexate or adalimumab plus methotrexate. All study staff were kept masked throughout the study and participants were masked until week 12. At week 12, patients were classified as responders (by either achieving low disease activity [LDA] according to Disease Activity Score 28-erythrocyte sedimentation rate [DAS28-ESR] <=3.2 or DAS28-ESR reduction >=1.2 from baseline) or as non responders. Non-responders to the first TNF inhibitor to which they were randomised were switched to the other TNF inhibitor with no washout period. Primary endpoints were the percentage of patients achieving a 20% improvement according to the American College of Rheumatology criteria (ACR20) at week 12 and LDA at week 104 (week 12 non-responders were considered LDA non-responders). This study is registered with ClinicalTrials.gov, number NCT01500278. FINDINGS: Between Dec 14, 2011, and Nov 11, 2013, 1488 patients were screened of whom 915 were randomly assigned; 457 to certolizumab pegol plus methotrexate and 458 to adalimumab plus methotrexate. No statistically significant difference was observed in ACR20 response at week 12 (314 [69%] of 454 patients and 324 [71%] of 454 patients; odds ratio [OR] 0.90 [95% CI 0.67-1.20]; p=0.467) or DAS28-ESR LDA at week 104 (161 [35%] of 454 patients and 152 [33%] of 454 patients; OR 1.09 [0.82-1.45]; p=0.532) between certolizumab pegol plus methotrexate and adalimumab plus methotrexate, respectively. At week 12, 65 non-responders to certolizumab pegol were switched to adalimumab and 57 non-responders to adalimumab were switched to certolizumab pegol; 33 (58%) of 57 patients switching to certolizumab pegol and 40 (62%) of 65 patients switching to adalimumab responded 12 weeks later by achieving LDA or a DAS28-ESR reduction 1.2 or greater. 389 [75%] of 516 patients who received certolizumab pegol plus methotrexate and 386 [74%] of 523 patients who received adalimumab plus methotrexate reported treatment-emergent adverse events. Three deaths (1%) occurred in each group. No serious infection events were reported in the 70-day period after treatment switch. INTERPRETATION: These results show that certolizumab pegol plus methotrexate is not superior to adalimumab plus methotrexate. The data also show the clinical benefit and safety of switching to a second TNF inhibitor without a washout period after primary failure to a first TNF inhibitor. FUNDING: UCB Pharma. PMID- 27863808 TI - Targeting tau protein in Alzheimer's disease. PMID- 27863810 TI - Bending the blood pressure curve down: are we succeeding? PMID- 27863811 TI - EXXELERATE: a negative trial with importance for clinical practice. PMID- 27863809 TI - Efficacy and safety of tau-aggregation inhibitor therapy in patients with mild or moderate Alzheimer's disease: a randomised, controlled, double-blind, parallel arm, phase 3 trial. AB - BACKGROUND: Leuco-methylthioninium bis(hydromethanesulfonate; LMTM), a stable reduced form of the methylthioninium moiety, acts as a selective inhibitor of tau protein aggregation both in vitro and in transgenic mouse models. Methylthioninium chloride has previously shown potential efficacy as monotherapy in patients with Alzheimer's disease. We aimed to determine whether LMTM was safe and effective in modifying disease progression in patients with mild to moderate Alzheimer's disease. METHODS: We did a 15-month, randomised, controlled double blind, parallel-group trial at 115 academic centres and private research clinics in 16 countries in Europe, North America, Asia, and Russia with patients younger than 90 years with mild to moderate Alzheimer's disease. Patients concomitantly using other medicines for Alzheimer's disease were permitted to be included because we considered it infeasible not to allow their inclusion; however, patients using medicines carrying warnings of methaemoglobinaemia were excluded because the oxidised form of methylthioninium in high doses has been shown to induce this condition. We randomly assigned participants (3:3:4) to 75 mg LMTM twice a day, 125 mg LMTM twice a day, or control (4 mg LMTM twice a day to maintain blinding with respect to urine or faecal discolouration) administered as oral tablets. We did the randomisation with an interactive web response system using 600 blocks of length ten, and stratified patients by severity of disease, global region, whether they were concomitantly using Alzheimer's disease-labelled medications, and site PET capability. Participants, their study partners (generally carers), and all assessors were masked to treatment assignment throughout the study. The coprimary outcomes were progression on the Alzheimer's Disease Assessment Scale-Cognitive Subscale (ADAS-Cog) and the Alzheimer's Disease Co-operative Study-Activities of Daily Living Inventory (ADCS-ADL) scales from baseline assessed at week 65 in the modified intention-to-treat population. This trial is registered with Clinicaltrials.gov (NCT01689246) and the European Union Clinical Trials Registry (2012-002866-11). FINDINGS: Between Jan 29, 2013, and June 26, 2014, we recruited and randomly assigned 891 participants to treatment (357 to control, 268 to 75 mg LMTM twice a day, and 266 to 125 mg LMTM twice a day). The prespecified primary analyses did not show any treatment benefit at either of the doses tested for the coprimary outcomes (change in ADAS Cog score compared with control [n=354, 6.32, 95% CI 5.31-7.34]: 75 mg LMTM twice a day [n=257] -0.02, -1.60 to 1.56, p=0.9834, 125 mg LMTM twice a day [n=250] 0.43, -2.06 to 1.20, p=0.9323; change in ADCS-ADL score compared with control [ 8.22, 95% CI -9.63 to -6.82]: 75 mg LMTM twice a day -0.93, -3.12 to 1.26, p=0.8659; 125 mg LMTM twice a day -0.34, -2.61 to 1.93, p=0.9479). Gastrointestinal and urinary effects were the most common adverse events with both high doses of LMTM, and the most common causes for discontinuation. Non clinically significant dose-dependent reductions in haemoglobin concentrations were the most common laboratory abnormality. Amyloid-related imaging abnormalities were noted in less than 1% (8/885) of participants. INTERPRETATION: The primary analysis for this study was negative, and the results do not suggest benefit of LMTM as an add-on treatment for patients with mild to moderate Alzheimer's disease. Findings from a recently completed 18-month trial of patients with mild Alzheimer's disease will be reported soon. FUNDING: TauRx Therapeutics. PMID- 27863812 TI - Open letter on the SDGs: a robust measure for universal health coverage is essential. PMID- 27863814 TI - Erratum to "Personalized peptide vaccine-induced immune response associated with long-term survival of a metastatic cholangiocarcinoma patient". PMID- 27863815 TI - Risk factors for recurrent wheezing in the first year of life in the city of Cordoba, Argentina. AB - BACKGROUND: Wheezing is a very common respiratory symptom in infants. The prevalence of wheezing in infants, conducted in developed countries shows prevalence rates ranging between 20% and 30%. However, we do not know the risk factors in our population of wheezing infants. METHODS: A standardised written questionnaire (WQ-P1-EISL) in infants between 12 and 18 months of age residing in the city of Cordoba was used; population/sample included 1031 infants. Recurrent wheezing (RW) was defined as three or more episodes of wheezing reported by the parents during the first 12 months of life. Data obtained were coded in Epi InfoTM (version 7) and statistically analysed with SPSS (version 17.5) software in Spanish. Parametric tests (one-way ANOVA) were performed for identifying significantly associated variables. RESULTS: The prevalence of wheezing infants was 39.7%; recurrent wheezing 33%; and severe wheezing 14.7%; 13.7% had pneumonia before the first year and of these 6.3% were hospitalised, multiple variables as risk factors for wheezing were found such as: >6 high airway infections and bronchiolitis in the first three months of life, smokers who smoke in the home among other risk factors and protective factors in those who have an elevated socioeconomic status. CONCLUSION: It is known that persistent respiratory problems in children due to low socioeconomic status is a risk factor for wheezing, pneumonia and could be a determining factor in the prevalence and severity of RW in infants. Research suggests that there are areas for improvement in the implementation of new educational strategies. PMID- 27863816 TI - Incidence of allergic rhinitis in a cohort of young adults from 13-15 years old to 23-25 years old in Castellon (Spain). AB - BACKGROUND: The objective of this study was to estimate the incidence of Allergic Rhinitis (AR) in young adults and its risk or protective factors. METHODS: A population-based prospective cohort study was carried out in 2012. The cohort participated in the International Study of Asthma and Allergy in Childhood in Castellon in 1994 and 2002. A telephone survey was conducted using the same questionnaires. A new case of AR was defined as the participants free of the disease in 2002, who self-reported suffering from AR or taking medications for AR in the period 2002-2012. RESULTS: Of the 1805 schoolchildren in the cohort in 2002, 1435 young adults (23-25 years old) participated (follow-up 79.1%) in 2012; 743 were female and 692 male; their mean age was 24.9+/-0.6 years. Two hundred new cases of AR occurred in 1259 participants free of the disease with an incidence of 17.3 per 1000 person-years, and the incidence increased from 2002 (RR=1.42; 95% CI 1.15-1.75). The risk factors of AR adjusted by age and gender were sinusitis (RR=1.77; 95% CI 1.16-2.68), atopic dermatitis (RR=1.51; 95% CI 1.11-2.06) and constant exposure to truck traffic (RR=1.88; 95% CI 1.12-3.17). For male participants, the risk factors were asthma, sinusitis and atopic dermatitis, and for females bronchitis was a risk factor and presence of older siblings a protective factor. CONCLUSIONS: An increase in AR incidence was observed. Sinusitis, atopic dermatitis and constant exposure to truck traffic were the risk factors of the AR with some differences by gender. PMID- 27863817 TI - Tumor clone dynamics in lethal prostate cancer. PMID- 27863818 TI - Re: Ten-year Outcomes after Monitoring, Surgery, or Radiotherapy for Localized Prostate Cancer. PMID- 27863819 TI - Unfounded concerns about the use of automated office blood pressure measurement in SPRINT. AB - SPRINT reported significantly fewer cardiovascular events when patients with a higher cardiovascular risk were treated to a target systolic blood pressure (BP) of <120 versus <140 mm Hg. In SPRINT, BP was recorded using the automated office BP (AOBP) method, with multiple readings being taken automatically with the patient resting alone. This technique for BP measurement eliminates the white coat effect and gives lower BP readings than conventional manual office BP. Critics have questioned if the readings were actually taken with the subject alone and have expressed concerns about the time taken to obtain the readings and the cost of automated sphygmomanometers. Others have suggested that the findings in SPRINT can be applied to current clinical practice if a correction factor is used to convert conventional BP readings to AOBP. This article responds to these criticisms and explains why current methods for recording BP in clinical practice should be changed to AOBP, the technique for BP measurement used in SPRINT. PMID- 27863820 TI - B cell depleting therapy regulates splenic and circulating T follicular helper cells in immune thrombocytopenia. AB - B cells are involved in immune thrombocytopenia (ITP) pathophysiology by producing antiplatelet auto-antibodies. However more than a half of ITP patients do not respond to B cell depletion induced by rituximab (RTX). The persistence of splenic T follicular helper cells (TFH) that we demonstrated to be expanded during ITP and to support B cell differentiation and antiplatelet antibody production may participate to RTX inefficiency. Whereas it is well established that the survival of TFH depends on B cells in animal models, nothing is known in humans yet. To determine the effect of B cell depletion on human TFH, we quantified B cells and TFH in the spleen and in the blood from ITP patients treated or not with RTX. We showed that B cell depletion led to a dramatic decrease in splenic TFH and in CXCL13 and IL-21, two cytokines predominantly produced by TFH. The absolute count of circulating TFH and serum CXCL13 also decreased after RTX treatment, whatever the therapeutic response. Therefore, we showed that the maintenance of TFH required B cells and that TFH are not involved in the inefficiency of RTX in ITP. PMID- 27863821 TI - Analyzing recurrent events when the history of previous episodes is unknown or not taken into account: proceed with caution. AB - OBJECTIVE: Researchers in public health are often interested in examining the effect of several exposures on the incidence of a recurrent event. The aim of the present study is to assess how well the common-baseline hazard models perform to estimate the effect of multiple exposures on the hazard of presenting an episode of a recurrent event, in presence of event dependence and when the history of prior-episodes is unknown or is not taken into account. METHODS: Through a comprehensive simulation study, using specific-baseline hazard models as the reference, we evaluate the performance of common-baseline hazard models by means of several criteria: bias, mean squared error, coverage, confidence intervals mean length and compliance with the assumption of proportional hazards. RESULTS: Results indicate that the bias worsen as event dependence increases, leading to a considerable overestimation of the exposure effect; coverage levels and compliance with the proportional hazards assumption are low or extremely low, worsening with increasing event dependence, effects to be estimated, and sample sizes. CONCLUSIONS: Common-baseline hazard models cannot be recommended when we analyse recurrent events in the presence of event dependence. It is important to have access to the history of prior-episodes per subject, it can permit to obtain better estimations of the effects of the exposures. PMID- 27863822 TI - Surgical site infection reporting: more than meets the agar. AB - BACKGROUND/PURPOSE: Surgical site infection (SSI) rate in pediatric appendicitis is a commonly used hospital quality metric. We hypothesized that surveillance of organ-space SSI (OSI) using cultures alone would fail to capture many clinically important events. METHODS: A prospective, multidisciplinary surveillance program recorded 30-day SSI and hospital length of stay (LOS) for patients <18years undergoing appendectomy for perforated appendicitis from 2012 to 2015. Standardized treatment pathways were utilized, and OSI was identified by imaging and/or bacterial cultures. RESULTS: Four hundred ten appendectomies for perforated appendicitis were performed, and a total of 84 OSIs (20.5%) were diagnosed with imaging. Positive cultures were obtained for 39 (46%) OSIs, whereas 45 (54%) had imaging only. Compared to the mean LOS for patients without OSI (5.2+/-2.9days), LOS for patients with OSI and positive cultures (13.7+/ 5.4days) or with OSI without cultures (10.4+/-3.7days) was significantly longer (both p<0.001). The OSI rate identified by positive cultures alone was 9.5%, whereas the clinically-relevant OSI rate was 20.5%. CONCLUSIONS: Using positive cultures alone to capture OSI would have identified less than half of clinically important infections. Utilizing clinically-relevant SSI is an appropriate metric for comparing hospital quality but requires agreed upon standards for diagnosis and reporting. LEVEL OF EVIDENCE: II. TYPE OF STUDY: Diagnostic study. PMID- 27863823 TI - General endotracheal vs. non-endotracheal regional anesthesia for elective inguinal hernia surgery in very preterm neonates: A single institution experience. AB - BACKGROUND: Very pre-term infants (VP) at <32 weeks post menstrual age PMA have a high incidence of bronchopulmonary dysplasia BPD. BPD places them at risk for pulmonary-related perioperative complications from general endotracheal anesthesia GE during elective inguinal hernia repair. METHODS: A retrospective cohort study was done to compare pulmonary-related perioperative risks between VP patients undergoing non-emergent inguinal hernia repair prior to NICU discharge under GE (n=58) vs regional anesthesia RA (n=37). RESULTS: Median PMA (RA 26 vs GE 27 weeks), operative weight (RA 2.2 vs GE 2.27 kg), % with BPD, medical and surgical comorbidities, number of concurrent procedures are similar between groups, except for sac laparoscopy (0% RA vs 36% GE). Procedural anesthesia time was 40 minutes for RA vs 69 minutes for GE, (p < 0.001). GE (17%) vs RA (0%) remained intubated post op (p<0.001). Oral feeding was fully tolerated in RA (97%) vs GE (72%, p=0.002) by 48h after surgery. The statistical differences hold after regression analysis controlling for sac laparoscopy and procedure time. No difference in intraoperative or postoperative hernia complications is found. CONCLUSION: RA is safe. RA is associated with early resumption of full feed, avoidance of prolonged mechanical intubation. We recommend a randomized controlled trial comparing the safety and efficacy of GE vs RA in VP infants undergoing elective NICU inguinal hernia repair. LEVEL OF EVIDENCE: II Retrospective study. PMID- 27863824 TI - The financial impact of flipping the coin. AB - BACKGROUND: Esophageal foreign body retrieval is typically performed by rigid or flexible esophagoscopy. Despite evidence supporting the efficacy and safety of balloon extraction, it is rarely performed. We sought to establish the financial benefits of this minimally invasive approach. METHODS: A retrospective review of 241 children with esophageal coins between 2011 and 2013 was performed. Coins were removed via endoscopy or fluoroscopic-guided balloon retrieval. Timing, symptoms, facility cost, and patient charges were compared. RESULTS: Two hundred patients had attempted balloon retrieval with 80% success. Forty-one patients went directly for operative removal. Patients with respiratory difficulty (p=0.05), wheezing (p<0.01), or fever (p=0.03) were more often taken directly for endoscopic retrieval. The median cost and charges for attempted balloon extraction were $484 and $1647. The median cost and charges for primary endoscopy were $1834 and $6746. The median total cost and charges of attempted balloon extraction including ED, OR, transport, admission, and balloon retrieval were $1231 and $3539 versus $3615 and $12,204 in the primary endoscopy group (p<0.001, p<0.001). Seventeen percent of patients who underwent attempted balloon retrieval were admitted prior to removal compared to 76% who underwent primary endoscopy (p<0.001). CONCLUSIONS: Fluoroscopic guided balloon extraction of esophageal coins is a financially prudent choice which shortens hospital stay. LEVEL OF EVIDENCE: III. TYPE OF STUDY: Retrospective treatment and economic study. PMID- 27863825 TI - Implications of lipid monolayer charge characteristics on their selective interactions with a short antimicrobial peptide. AB - Many antimicrobial peptides (AMPs) target bacterial membranes and they kill bacteria by causing structural disruptions. One of the fundamental issues however lies in the selective responses of AMPs to different cell membranes as a lack of selectivity can elicit toxic side effects to mammalian host cells. A key difference between the outer surfaces of bacterial and mammalian cells is the charge characteristics. We report a careful study of the binding of one of the representative AMPs, with the general sequence G(IIKK)4I-NH2 (G4), to the spread lipid monolayers of DPPC (1,2-dipalmitoyl-sn-glycero-3-phosphocholine) and DPPG (1,2-dipalmitoyl-sn-glycero-3-phospho-(1'-rac-glycerol) (sodium salt)) mimicking the charge difference between them, using the combined measurements from Langmuir trough, Brewster angle microscopy (BAM) and neutron reflection (NR). The difference in pressure rise upon peptide addition into the subphase clearly demonstrated the different interactions arising from different lipid charge features. Morphological changes from the BAM imaging confirmed the association of the peptide into the lipid monolayers, but there was little difference between them. However, NR studies revealed that the peptide bound 4 times more onto the DPPG monolayer than onto the DPPC monolayer. Importantly, whilst the peptide could only be associated with the head groups of DPPC it was well penetrated into the entire DPPG monolayer, showing that the electrostatic interaction strengthened the hydrophobic interaction and that the combined molecular interactive processes increased the power of G4 in disrupting the charged membranes. The results are discussed in the context of general antibacterial actions as observed from other AMPs and membrane lytic actions. PMID- 27863826 TI - [An unusual cause of acute respiratory failure]. PMID- 27863827 TI - [Assessment of physicians' and nurses' knowledge and practices of aerosol therapy]. AB - INTRODUCTION: Aerosol therapy is an efficient, but complex procedure. National and international practice guidelines are regularly updated. However, only a few studies have assessed the application of guidelines by users. The aim of this study is to assess the knowledge and practices of physicians and nurses regarding these guidelines. METHODS: Two self-administered questionnaires were designed by a working team and presented to physicians and nurses of four university hospitals in Paris. A pharmacy resident collected and analyzed the data with the aid of an online survey website. RESULTS: A total of 481 physicians and nurses completed the questionnaires (33 % of physicians and 67 % of nurses). Only 241/480 physicians and nurses (50 %) knew that several intravenous drugs cannot be nebulized. Ninety-four of 422 (22 %) of them always choose oxygen as the driving gas and 239/311 nurses (77 %) think that single use nebulizers can be re used for the same patient. CONCLUSIONS: This survey shows that many physicians and nurses lack knowledge and use inappropriate practices. Based on these results, a booklet has been designed by the working team. This booklet should help health professionals to harmonize practices across hospitals and to follow the guidelines correctly. PMID- 27863829 TI - The Effect of Carpal Tunnel Release on Typing Performance. AB - PURPOSE: To describe the effect of carpal tunnel release (CTR) on typing performance. METHODS: We prospectively studied 27 patients undergoing open CTR. Patient demographics and clinical characteristics including nerve conduction studies, electromyography results, and duration of symptoms were collected. Before surgery and at 8 time points after surgery, ranging from 1 to 12 weeks, typing performance for an approximately 500-character paragraph was assessed via an on-line platform. The Michigan Hand Questionnaire (MHQ) and the Boston Carpal Tunnel Questionnaire functional component (BCTQ-F) and symptom severity component (BCTQ-S) component were completed before surgery and at 1, 3, 6, and 12 weeks after surgery. We used repeated-measures analyses of variance and follow-up dependent-samples t tests to analyze change in typing performance across sessions, and linear regressions to assess relationships between typing performance and demographic and outcome measures. We compared typing speed with the MHQ, BCTQ-F, and BCTQ-S using the Pearson correlation test. RESULTS: Average typing speed decreased significantly from 49.7 +/- 2.7 words per minute (wpm) before surgery to 45.2 +/- 3.1 wpm at 8 to 10 days after surgery. Mean typing speed for the group exceeded the preoperative value between weeks 2 and 3, with continued improvement to 53.5 +/- 3.5 wpm at 12 weeks after surgery. No clinical or demographic variables were associated with the rate of recovery or the magnitude of improvement after CTR. The MHQ, BCTQ-F, and BCTQ-S each demonstrated significant improvement from preoperative values over the 12-week period. The MHQ and BCTQ-F scores correlated well with typing speed. CONCLUSIONS: On average, typing speed returned to preoperative levels between 2 and 3 weeks after CTR and typing speed showed improvement beyond preoperative levels after surgery. The MHQ and BCTQ-F correlate well with typing speed after CTR. TYPE OF STUDY/LEVEL OF EVIDENCE: Prognostic IV. PMID- 27863828 TI - [Health care providers' knowledge and abilities to use inhalation devices and spacers]. AB - INTRODUCTION: Inhaled therapy is the mainstay of asthma treatment due to its local and rapid action. However, its efficiency relies on the teaching of a good inhalation technique by health care providers. We assessed health care providers' knowledge and practical skills in the use of inhalation devices. METHODS: An observational multicenter study was conducted in the pulmonology and paediatric wards in Marseille. The departments' common practices, theoretical knowledge and practical skills were assessed through a questionnaire and a demonstration using a spacer device. RESULTS: Forty health care providers were interviewed (9 attending physicians, 14 residents, 16 nurses and 1 physiotherapist), in 8 different pulmonology and paediatric wards. A total of 42.5% reported previous training in inhalation device technique. When evaluating theoretical knowledge, we found a mean of 54% correct answers. Attending physicians did significantly better than residents and nurses. With regard to practical skills, we found a mean of 1.12 failed steps out of 7. Here again attending physicians did significantly better than residents and nurses. CONCLUSION: Based on the results of our study, we recommend that attending physicians provide training of inhalation technique to nurses and residents, as they did significantly better theoretically and practically. PMID- 27863830 TI - Caveolin-3 is aberrantly expressed in skeletal muscle cells in myasthenia gravis. AB - Caveolin-3 is a muscle-specific membrane protein that localizes to the sarcolemma and T-tubule system. Caveolin-3 is needed for muscle repair and skeletal muscle development. The objective of this study was to compare caveolin-3 expression in myasthenia gravis (MG) and control muscles. Caveolin-3 was abnormally expressed in the MG muscle membrane, with partial loss of expression and overexpression in 5/15 and 10/15 patients, respectively. Caveolin-3 mRNA and protein levels were higher in MG than in control muscles, suggesting that partial deficiency of caveolin-3 is occasionally detected in MG muscle and that caveolin-3 overexpression may be required after MG muscle damage. PMID- 27863832 TI - Management of non-ST-elevation myocardial infarction: A constant challenge. PMID- 27863831 TI - Therapy of Treatment-Related Hypertension in Metastatic Renal-Cell Cancer Patients Receiving Sunitinib. AB - INTRODUCTION: Treatment-related hypertension (tHTN) is frequent during sunitinib treatment. However, data on risk factors and treatment of tHTN remain scarce. PATIENTS AND METHODS: Patients with metastatic renal-cell carcinoma treated with sunitinib from June 2004 to December 2011 were included. Medical records were retrospectively analyzed for tHTN risk factors and antihypertensive treatments (AHT). Descriptive statistics, Cox regression, and competitive risk models were applied. RESULTS: A total of 51 (70.8%) of 72 patients developed tHTN after a median sunitinib treatment of 28 days. Mean blood pressure increased from 130/75 (range, 90 to 190/58 to 101) mm Hg on day 1 to 140/80 (range, 90 to 190/60 to 120, P < .001) mm Hg on day 28. Standard dose of sunitinib, age > 50 years, and prehypertension were identified as independent risk factors for tHTN. Thirty eight patients (72.5%) in the tHTN subgroup received modification of AHT. Calcium channel blockers (CCB) were identified as the best at controlling tHTN compared to other drugs (P = .045). The combination of AHT was more potent than a dose increase of a single-drug AHT, and early AHT intervention was more efficacious than delayed start of therapy. CONCLUSION: Patients at risk for tHTN require more rigorous blood pressure measurement. CCB seemed to be most potent and efficient, and an early combination of different classes of AHT was more efficacious than full-dose, single-agent AHT. PMID- 27863833 TI - Rapid Systematic Review: Intra-Arterial Thrombectomy ("Clot Retrieval") for Selected Patients with Acute Ischemic Stroke. AB - BACKGROUND: Acute ischemic stroke (AIS) is a leading cause of morbidity and mortality. However, precisely defining the optimal treatment for individual patients early after AIS onset remains elusive. There has recently been a surge in published studies documenting the effectiveness of mechanical intra-arterial thrombectomy for treatment of a subset of patients with AIS. This therapy has been proposed and studied for the small (<1.2%) subgroup of patients with ischemic strokes who have "large vessel" strokes or strokes that fail to improve after the administration of tissue plasminogen activator (t-PA). The current rapid systematic review provides practicing emergency physicians updated information regarding mechanical thrombectomy as a treatment option for carefully selected AIS patients. METHODS: A PubMed literature search was conducted from January 1996 to June 2016 and limited to human clinical trials written in English with relevant keywords. High-quality randomized controlled studies identified then underwent a structured review. RESULTS: In total, 179 papers fulfilling the search criteria were screened and 8 appropriate articles were rigorously reviewed in detail and recommendations given on the effectiveness and indication of mechanical intra-arterial thrombectomy for the treatment of AIS. CONCLUSIONS: Mechanical intra-arterial thrombectomy reduces long-term disability in a properly selected subset of patients who have an AIS caused by large vessel occlusion. Many of these patients will have failed to improve after intravenous administration of t-PA, and mortality is not increased when combined with t-PA. Careful screening criteria should be in place to identify the limited subset of patients to whom this therapy is delivered to derive optimal treatment benefits. PMID- 27863834 TI - Correlation Between United States Medical Licensing Examination and Comprehensive Osteopathic Medical Licensing Examination Scores for Applicants to a Dually Approved Emergency Medicine Residency. AB - BACKGROUND: It is important for emergency medicine (EM) residency programs to be able to correlate the United States (US) Medical Licensing Examination (USMLE) and Comprehensive Osteopathic Medical Licensing Examination (COMLEX) scores of applicants. OBJECTIVE: We sought to determine the correlation between USMLE and COMLEX scores for EM residency applicants. METHODS: Retrospectively, from 2006 through 2013, USMLE and COMLEX examination scores for applicants to our 4-year, 56-member, dually approved EM residency were analyzed. Using the COMLEX score as the outcome variable and USMLE score as the predictor, multiple linear regression models, stratified by test step, were created. RESULTS: There were 556 students representing 25 discrete medical schools included. Pair 1 consisted of applicants submitting COMLEX Level-1 and USMLE Step-1 scores (n = 486). Pair 2 were those with COMLEX Level-2 and USMLE Step-2 scores (n = 356). For Pair 1, mean, standard deviation, and median scores on the COMLEX were 551, 69, and 548, respectively; for the USMLE, scores were 216, 16, and 217, respectively. Results for Pair 2 on COMLEX were 566, 80, and 562, respectively; USMLE results were 228, 18, and 229, respectively. A strong correlation was observed for Pair 1 (r = 0.78; p < 0.001). A 1-point increase in USMLE Step-1 is associated with a 3.55-point increase in the COMLEX Level-1 score (beta = 3.55; 95% confidence interval [CI] 3.30-3.80; p < 0.001). A similar strong correlation was observed for Pair 2 (r = 0.72; p < 0.001), where a 1-point increase in USMLE Step-2 is associated with a 3.29-point increase in the COMLEX Level-2 score (beta = 3.29; 95% CI 2.96-3.62; p < 0.001). CONCLUSIONS: A strong positive correlation between Steps 1 and 2 of the USMLE and COMLEX was found. PMID- 27863835 TI - Metabolites profiling reveals for antimicrobial compositional differences and action mechanism in the toothbrushing stick "miswak" Salvadora persica. AB - Among many plant species suitable for preparing toothbrushing sticks, miswak (Salvadora persica, family Salvadoraceae) is found the most effective tool for oral hygiene. S. persica possesses antibacterial, antiviral and antifungal effects against oral microbes, mostly due to its benzyl isothiocyanate content. To provide insight into S. persica chemical composition, volatile constituents from roots and stems of S. persica grown in Egypt and Saudi Arabia were profiled using solid-phase microextraction (SPME) coupled to gas chromatography-mass spectrometry (GC-MS). A total of 21 volatiles were identified with sulfur compounds amounting for the major volatile class. Orthogonal projection to latent structures-discriminant analysis (OPLS-DA) revealed for benzyl isothiocyanate (BITC) enrichment in roots versus stems. Primary metabolites contributing to S. persica taste viz. sugars and organic acids were profiled using GC-MS with silylation. Polyols (sugars) viz. arabitol, meso-erythritol, and mannitol were found to predominate sugars composition in S. persica stems being most enriched in meso-erythritol. The impact of saliva on S. persica aroma profile was further assessed and revealing for no enhancement in BITC production with salivation, and further not being detected in toothpaste preparation claimed to contain S. persica extract. This study provides the most complete profile of volatiles, sugars, and organic acids in S. persica organs and more rationalizing its use as a toothbrush. PMID- 27863836 TI - Looking at flubromazolam metabolism from four different angles: Metabolite profiling in human liver microsomes, human hepatocytes, mice and authentic human urine samples with liquid chromatography high-resolution mass spectrometry. AB - Flubromazolam is a triazolam benzodiazepine that recently emerged as a new psychoactive substance. Since metabolism data are scarce and good analytical targets besides the parent are unknown, we investigated flubromazolam metabolism in vitro and in vivo. 10MUmol/L flubromazolam was incubated with human liver microsomes for 1h and with cryopreserved human hepatocytes for 5h. Mice were administered 0.5 or 1.0mg flubromazolam/kg body weight intraperitoneally, urine was collected for 24h. All samples, together with six authentic forensic human case specimens, were analyzed (with or without hydrolysis, in case it was urine) by UHPLC-HRMS on an Acquity HSS T3 column with an Agilent 6550 QTOF. Data mining was performed manually and with MassMetasite software (Molecular Discovery). A total of nine metabolites were found, all generated by hydroxylation and/or glucuronidation. Besides O-glucuronidation, flubromazolam formed an N+ glucuronide. Flubromazolam was not metabolized extensively in vitro, as only two monohydroxy metabolites were detected in low intensity in hepatocytes. In the mice samples, seven metabolites were identified, which mostly matched the metabolites in the human samples. However, less flubromazolam N+-glucuronide and an additional hydroxy metabolite were observed. The six human urine specimens showed different extent of metabolism: some samples had an intense flubromazolam peak next to a minute signal for a monohydroxy metabolite, others showed the whole variety of hydroxylated and glucuronidated metabolites. Overall, the most abundant metabolite was a monohydroxy metabolite, which we propose as alpha hydroxyflubromazolam based on MSMS fragmentation. These metabolism data will assist in interpretation and analytical method development. PMID- 27863837 TI - The effects of ropivacaine hydrochloride on the expression of CaMK II mRNA in the dorsal root ganglion neurons. AB - In this study, we identified the subtype of Calcium/calmodulin-dependent protein kinase II (CaMK II) mRNA in dorsal root ganglion neurons and observed the effects of ropivacaine hydrochloride in different concentration and different exposure time on the mRNA expression. Dorsal root ganglion neurons were isolated from the SD rats and cultured in vitro. The mRNA of the CaMK II subtype in dorsal root ganglion neurons were detected by real-time PCR. As well as, the dorsal root ganglion neurons were treated with ropivacaine hydrochloride in different concentration (1mM,2mM, 3mM and 4mM) for the same exposure time of 4h, or different exposure time (0h,2h,3h,4h and 6h) at the same concentration(3mM). The changes of the mRNA expression of the CaMK II subtype were observed with real time PCR. All subtype mRNA of the CaMK II, CaMK IIalpha, CaMK IIbeta, CaMK II delta, CaMK IIgamma, can be detected in dorsal root ganglion neurons. With the increased of the concentration and exposure time of the ropivacaine hydrochloride, all the subtype mRNA expression increased. Ropivacaine hydrochloride up-regulate the CaMK IIbeta, CaMK IIdelta, CaMK IIg mRNA expression with the concentration and exposure time increasing. The nerve blocking or the neurotoxicity of the ropivacaine hydrochloride maybe involved with CaMK II. PMID- 27863838 TI - Resveratrol enhances the efficacy of sorafenib mediated apoptosis in human breast cancer MCF7 cells through ROS, cell cycle inhibition, caspase 3 and PARP cleavage. AB - Despite advances in diagnosis and treatment options, breast cancer is one of the main causes of cancer related death among women worldwide. Present study is aimed to preliminarily evaluate our hypothesis that the combination of resveratrol (RSV), a natural antioxidant, and lower dose of sorafenib (SF), a multi-kinase inhibitor and a component of ERK1/2 (extracellular signal-regulated kinase 1/2) pathway, would augment apoptosis in human breast cancer MCF7 cells. MCF7 cellexpressions s were treated with RSV, SF and their combination. MTT (3-[4,5 dimethylthiazol-2-yl] -2, 5-diphenyl-tetrazolium bromide) assay, DNA fragmentation assay, Hoechst33342, H2DCFDA (2', 7'-Dichlorodihydrofluorescein diacetate), Rhodamine123 staining, and Western Blot to detect different signaling protein expressions, were conducted to test the hypothesis. Combination of RSV and SF showed higher cytotoxicity on MCF7 cells than their individual treatment. Results from morphology change, Hoechst33342 staining, and DNA fragmentation suggested higher apoptosis data in the combinational treatment. Intracellular ROS (reactive oxygen species) levels, p53 and Bax/Bcl2 expressions, and decrease in mitochondrial membrane potential were also higher in the combinational treatment. Up-regulation of apaf-1, cl. caspase 9, cl. caspase 3 and cl. PARP (poly (ADP Ribose) polymerase) were also noticed, while the expressions of cyclinD1 and cyclinB1 were decreased in the combinational group. The increase in apoptosis and signaling protein expressions with RSV and SF combinational treatment were increased over time. The combination of RSV and lower dose of SF at 6MUM showed enhanced apoptotic activity than SF alone. Therefore, RSV can be considered as a neo-adjuvant to improve SF efficacy in breast cancer treatment. PMID- 27863839 TI - Antihyperuricemic effect of liquiritigenin in potassium oxonate-induced hyperuricemic rats. AB - The aim is to investigate the anti-hyperuricemic and renal protective effects of liquiritigenin in potassium oxonate-induced hyperuricemic rats. Hyperuricemia in rats was induced were induced with potassium oxonate (250mg/kg) intragastrically for 7 days, and liquiritigenin (20, 40mg/kg) and allopurinol (5mg/kg) were daily administrated to the rats orally 1h after the potassium oxonate exposure. Liquiritigenin significantly reversed the elevated productions of uric acid in serum and urine and pro-inflammation cytokines in serum and kidney, which shown that liquiritigenin has renal protective effects. Histological study shows that liquiritigenin inhibited severe necrosis and inflammatory cell infiltration in potassium oxonate-treated rats. Furthermore, liquiritigenin mediated the activities of aquaporins 4 (AQP4), and regulated the activation of NF-kappaB p65 and the degradation of IkappaBalpha. Finally, significant increases of nod-like receptor protein 3 (NLRP3) inflammasome, apoptosis-associated speck-like protein adaptor (ASC) adaptor and cleaved caspased-1 were restored by liquiritigenin. Therefore, liquiritigenin might improve renal inflammation by suppressing renal AQP4/NF-kappaB/IkappaBalpha and NLRP3 inflammasome activation in hyperuricemic rats. PMID- 27863840 TI - Long-term pre-treatment of antioxidant Ginkgo biloba extract EGb-761 attenuates cerebral-ischemia-induced neuronal damage in aged mice. AB - Antioxidant activity has been attributed to the neuroprotective effects of Ginkgo biloba extract EGb-761 on brain disorders including ischemic stroke. It is suggested that oxidative stress implicates in neuron injuries during aging. However, whether or not EGb-761 could be used to treat age-related cerebral ischemia is unclear. In the present study, we directly studied the protective effects of EGb-761 in brain ischemia in the mice with different age. As expected, the recovery from brain damages was impaired in aged mice (24 months) in an animal model of middle cerebral artery occlusion (MCAO). Notably, a 12-month pretreatment of EGb-761 significantly ameliorated the ischemic injury of aged mice in a dose-dependent manner. The decreased stroke severity by EGb-761 was suggested by the reduced infarct volumes and brain edema, accompanied by alleviated oxidative stress. Additionally, we further explored the potential involvement of extra-cellular signal-regulated kinase (ERK) activation by MCAO in aged mice. ERK activation after MCAO was diminished by EGb-761, and this reduction may be mediated through an upregulation of phosphatase PP2A by EGb-761. These observations collectively support that natural antioxidant EGb-761 could be potentially exploited as an effective approach in treating neurological injury during aging. PMID- 27863841 TI - The role and impact of estrogens and xenoestrogen on the development of cervical cancer. AB - Throughout an individual's lifetime, the human body is exposed to many different chemical compounds, including xenoestrogens (XEs) that can be found in the environment, food, air, cosmetics and other substances, which have a positive or negative impact on their health and lifestyle. Whereas high-risk human papillomavirus (HR-HPV) is necessary but not sufficient for full malignant cervical cell transformation, other compounds such as estrogens and XEs may be risk factors for cervical cancer (CC) development. The causes and effects of some diseases such as cancer, cardiovascular, metabolic or immune system disorders are partly due to signaling pathways in response to estrogens. XEs are a vast group of natural and synthetic compounds, behaving like estrogens, that have been studied over the recent years and which may interact with estrogen receptors. The major problem with XEs is the difficulty in studying the mechanism of such complex substances as well as investigating the influences of some of the compounds (dose-dependent) over time. The impact of XEs on CC is variable, with no direct comparison between in vitro studies and in vivo XEs action. PMID- 27863813 TI - Worldwide trends in blood pressure from 1975 to 2015: a pooled analysis of 1479 population-based measurement studies with 19.1 million participants. AB - BACKGROUND: Raised blood pressure is an important risk factor for cardiovascular diseases and chronic kidney disease. We estimated worldwide trends in mean systolic and mean diastolic blood pressure, and the prevalence of, and number of people with, raised blood pressure, defined as systolic blood pressure of 140 mm Hg or higher or diastolic blood pressure of 90 mm Hg or higher. METHODS: For this analysis, we pooled national, subnational, or community population-based studies that had measured blood pressure in adults aged 18 years and older. We used a Bayesian hierarchical model to estimate trends from 1975 to 2015 in mean systolic and mean diastolic blood pressure, and the prevalence of raised blood pressure for 200 countries. We calculated the contributions of changes in prevalence versus population growth and ageing to the increase in the number of adults with raised blood pressure. FINDINGS: We pooled 1479 studies that had measured the blood pressures of 19.1 million adults. Global age-standardised mean systolic blood pressure in 2015 was 127.0 mm Hg (95% credible interval 125.7-128.3) in men and 122.3 mm Hg (121.0-123.6) in women; age-standardised mean diastolic blood pressure was 78.7 mm Hg (77.9-79.5) for men and 76.7 mm Hg (75.9-77.6) for women. Global age-standardised prevalence of raised blood pressure was 24.1% (21.4-27.1) in men and 20.1% (17.8-22.5) in women in 2015. Mean systolic and mean diastolic blood pressure decreased substantially from 1975 to 2015 in high-income western and Asia Pacific countries, moving these countries from having some of the highest worldwide blood pressure in 1975 to the lowest in 2015. Mean blood pressure also decreased in women in central and eastern Europe, Latin America and the Caribbean, and, more recently, central Asia, Middle East, and north Africa, but the estimated trends in these super-regions had larger uncertainty than in high-income super-regions. By contrast, mean blood pressure might have increased in east and southeast Asia, south Asia, Oceania, and sub-Saharan Africa. In 2015, central and eastern Europe, sub-Saharan Africa, and south Asia had the highest blood pressure levels. Prevalence of raised blood pressure decreased in high income and some middle-income countries; it remained unchanged elsewhere. The number of adults with raised blood pressure increased from 594 million in 1975 to 1.13 billion in 2015, with the increase largely in low-income and middle-income countries. The global increase in the number of adults with raised blood pressure is a net effect of increase due to population growth and ageing, and decrease due to declining age-specific prevalence. INTERPRETATION: During the past four decades, the highest worldwide blood pressure levels have shifted from high income countries to low-income countries in south Asia and sub-Saharan Africa due to opposite trends, while blood pressure has been persistently high in central and eastern Europe. FUNDING: Wellcome Trust. PMID- 27863842 TI - Development of T follicular helper cells and their role in disease and immune system. AB - The T follicular helper cells (TFH) are a subset of CD4+ T cells specialized to regulate antibody responses. The production of these cells is associated with the dendritic cells (DCs) and B cells. TFH cells help B cells form germinal centers (GC) differentiate into memory and plasma cells (antibody-secreting cells) as humoral responses. In addition, there is strong evidence that TFH cells play a pivotal role in the development of long-lived humoral immunity. Molecular factors such as transcription factors, surface receptors, cytokine and micro RNAs are involved in the formation of TFH cells. Such TFH cells are diagnosed by transcription factor (BCL-6), surface marker expression (including CXCR5, PD-1, ICOS and CD40L) and a unique cytokine production pattern (such as IL-21 and IL 6). Memory TFH cells, accompanied by memory B cells, are known to be formed during antibody responses. It is now clear that the precise control of TFH cells is critically important for both inducing the optimal affinity maturation of antibody responses and preventing self-reactivity. Exclusive controls of TFH cell function and production are essential for human health. However, it is important to note that excessive activities may lead to autoimmune diseases, while reduced activity often results in immunodeficiency. It has also been shown that TFH cells are associated with cancers such as angioimmunoblastic T-cell lymphoma (AITL), follicular T-cell lymphoma (FTCL) and nonspecific Peripheral T-cell lymphomas (PTCLs). The biology of TFH cells, including their differentiation and transcriptional regulation will be described in the present review. Some of The developments of these cells in immunodeficiency diseases, autoimmunity and cancer will also be taken into account. PMID- 27863843 TI - SCORE2 Report 2: Study Design and Baseline Characteristics. AB - PURPOSE: To describe the design and baseline characteristics of participants in the Study of COmparative Treatments for REtinal Vein Occlusion 2 (SCORE2) and to compare with cohorts from other retinal vein occlusion trials. DESIGN: Phase III prospective, multicenter, randomized clinical trial designed to assess whether intravitreal bevacizumab is noninferior to intravitreal aflibercept for treatment of decreased vision attributable to macular edema associated with central retinal vein occlusion (CRVO) or hemiretinal vein occlusion (HRVO). PARTICIPANTS: Total of 362 participants: 307 with CRVO and 55 with HRVO. METHODS: Demographic and study eye characteristics are summarized and compared between CRVO and HRVO study participants. MAIN OUTCOME MEASURES: Baseline ophthalmic characteristics, including visual acuity and retinal thickness, and medical history characteristics, including hypertension, diabetes mellitus, and coronary artery disease. RESULTS: The mean age of participants was 69 years, 76% of participants were white, and 90% were non-Hispanic. There was a racial disparity with respect to disease type, with 38% of HRVO patients being black compared with 11% of CRVO patients (P value adjusted for multiple testing = 0.0001). This is similar to findings from the previous SCORE Study. Comorbidities included hypertension (77%), diabetes mellitus (31%), and coronary artery disease (15%). At baseline, mean visual acuity letter score was 50 (20/100) (range, 19-73 [20/400 to 20/40]), mean optical coherence tomography (OCT)-measured central subfield thickness was 678 MUm (range, 300-1203 MUm), and mean number of months from diagnosis of macular edema to randomization was 6 (range, 0-104 months). One hundred twenty (33%) SCORE2 participants had been treated previously with anti-vascular endothelial growth factor (anti-VEGF) therapy, with these participants having baseline visual acuity letter score and OCT-measured central subfield thickness similar to those without prior anti-VEGF treatment, but longer mean duration of macular edema before randomization (18 months vs. 1 month for those without prior anti-VEGF treatment; P < 0.0001). CONCLUSIONS: The SCORE2 cohort is a heterogeneous population, including both CRVO and HRVO eyes and both treatment naive eyes and eyes treated previously with anti-VEGF, which will allow study results to have broad applicability to CRVO and HRVO patients receiving treatment for macular edema. Similarities of the baseline characteristics of the SCORE2 population to other CRVO trial cohorts will allow meaningful comparisons of outcome results across trials. PMID- 27863844 TI - Persistent Impairment of Quality of Life in Patients with Herpes Simplex Keratitis. AB - PURPOSE: To evaluate the quality of life (QoL) in patients with quiescent herpes simplex keratitis compared with control patients without ocular herpes. DESIGN: Prospective, case-control study. PARTICIPANTS: Thirty-three patients with a unilateral and relapsing herpes simplex keratitis (HSK group) that was quiescent during evaluation (no acute episode in the past 3 months) and 66 patients with no history of HSK (control group). Both groups were age and gender matched. METHODS: Three previously validated QoL questionnaires were used in this study: the National Eye Institute Visual Functioning Questionnaire-25 (NEI VFQ-25), Glaucoma Quality of Life 17 (Glau-QoL17) questionnaire, and Ocular Surface Disease Quality of Life (OSD-QoL) questionnaire. Each questionnaire covered various aspects of the disease. MAIN OUTCOME MEASURES: The outcomes of the 3 questionnaires were compared between groups. For the HSK group, the results were correlated to the clinical findings and the history of herpetic disease. RESULTS: The mean total questionnaire scores of the 3 QoL questionnaires were significantly lower in the HSK group compared with controls (NEI VFQ-25: 70.5+/-3.8 vs. 91.1+/-0.8, P < 0.0001; Glau-QoL17: 68.2+/-3.1 vs. 87.9+/-1.0, P < 0.0001; and OSD-QoL: 65.4+/ 2.9 vs. 93.1+/-0.6, P < 0.0001, respectively). In the HSK group, the level of visual acuity (VA) in the affected eye had the greatest impact on QoL, inducing lower QoL results related to "general vision," "distance activities," "dependency," "peripheral vision," "self-image," "daily living," and "driving" dimensions. Decreased VA in the unaffected eye also negatively affected "self image" and "driving" results. Patients with frequent HSK relapses had lower QoL related to "ocular pain" and "acknowledgement." CONCLUSIONS: Even during a quiescent phase of the disease, unilateral and relapsing HSK significantly impairs the QoL of patients to a similar level as most sight-threatening diseases. The decrease of VA has the greatest overall effect, but other factors also significantly affect QoL, such as the frequency of relapses. PMID- 27863846 TI - Chemotherapy and radiation components of neoadjuvant treatment of pancreatic head adenocarcinoma: Impact on perioperative mortality and long-term survival. AB - BACKGROUND: We compared outcomes of neoadjuvant therapy delivered as chemotherapy only (Chemo) versus concurrent chemoradiation (ChemoRT) versus chemotherapy followed by radiation (Chemo-ChemoRT) among pancreatic head adenocarcinoma patients receiving pancreaticoduodenectomy. METHODS: National Cancer Data Base cases diagnosed 2006-2011 treated by neoadjuvant therapy and pancreaticoduodenectomy. RESULTS: 1163 pts received neoadjuvant treatment with Chemo (n = 309; 26.6%), ChemoRT (n = 626; 53.8%), or Chemo-ChemoRT (n = 228; 19.6%). Odds of 30-day and 90-day mortality were not influenced by delivery of any neoadjuvant therapy type. Median overall survival for Chemo, ChemoRT, and Chemo-ChemoRT groups were 25.6 (95% confidence interval 23.1-28.7), 22.9 (21.4 24.8), and 26.9 (23.7-29.4) months, respectively. There was no statistically significant difference between Chemo and Chemo-ChemoRT groups (log rank test p = 0.854), while there was significant difference of ChemoRT (p = 0.017 versus Chemo; p = 0.021 versus Chemo-ChemoRT). Multivariate model suggests delivery of concurrent ChemoRT as opposed to neoadjuvant therapy with full dose systemic chemotherapy is associated with shortened survival (aHR = 1.311, p = 0.001). CONCLUSIONS: There is no detectable difference in early outcomes (30-day and 90 day postsurgical mortality) among pancreaticoduodenectomy patients treated with various types of neoadjuvant therapy. Overall survival appears better among patients exposed preoperatively to full dose systemic chemotherapy rather than concurrent chemoradiation only. Further studies with more detailed data sources are needed. PMID- 27863845 TI - Macular Atrophy in Neovascular Age-Related Macular Degeneration with Monthly versus Treat-and-Extend Ranibizumab: Findings from the TREX-AMD Trial. AB - PURPOSE: To compare the enlargement rate of macular atrophy (ERMA) in eyes treated with ranibizumab monthly or using a treat-and-extend (TREX) regimen for neovascular age-related macular degeneration (AMD) or fellow control eyes, as well as analyze risk factors for macular atrophy (MA) development and progression. DESIGN: Eighteen-month, multicenter, randomized, controlled clinical trial. PARTICIPANTS: Sixty patients with treatment-naive neovascular AMD in 1 eye randomized 1:2 to monthly or TREX ranibizumab. METHODS: Patients' study and fellow eyes were followed for 18 months using spectral-domain optical coherence tomography (SD OCT) and fundus autofluorescence (FAF) imaging. The MA was quantified on FAF images using Heidelberg Region Finder software (Heidelberg Engineering, Heidelberg, Germany), with suspected areas of atrophy confirmed by SD OCT and infrared reflectance imaging. For eyes without baseline MA yet developed MA by 18 months, intervening visits were assessed to determine the first visit at which MA appeared to define progression rates. Foveal choroidal thickness (FCT), subretinal hyperreflective material (SHRM), and pigment epithelial detachment (PED), were assessed at baseline to determine whether they influenced MA progression. MAIN OUTCOME MEASURES: Mean ERMA at 18 months. Relationship between visual acuity and MA, and the baseline risk factors for ERMA were also assessed. RESULTS: The final analysis cohort included 88 eyes in 3 groups: monthly (n = 19), TREX (n = 30), and control fellow eyes (n = 39). Mean ERMA over 18 months was 0.39+/-0.67 (monthly), 1.1+/-1.9 (TREX), and 0.49+/-1 mm2 (control, P = 0.12). Mean ERMA per group among the 40.9% (n = 36) of baseline patients with MA was 0.9+/-1, 1.9+/-2.2, and 1+/-1.3 mm2, respectively (P = 0.31). The incidence rate of MA in the 3 groups was 40%, 0%, and 8.3%, respectively. Mann-Whitney U test revealed a statistically significant association between baseline FCT (127+/-46 vs. 155+/-55 MUm, P = 0.01) and SHRM thickness (106+/-131 vs. 50+/-85 MUm, P = 0.02) on MA. In eyes with no baseline MA, presence of SHRM, SHRM, and PED thickness, and presence of baseline hemorrhage were all significant predictors of new MA development (P = 0.04, 0.01, 0.04, 0.004, 0.01, respectively). CONCLUSIONS: Ranibizumab did not show a statistically significant influence on new MA development in eyes with neovascular AMD, whether dosed monthly or per TREX regimen. The FCT, SHRM thickness, and hemorrhage at baseline were all significant predictors of new MA. PMID- 27863847 TI - Parental Attitudes About Placebo Use in Children. AB - OBJECTIVE: To assess parental attitudes regarding placebo use in pediatric randomized controlled trials and clinical care. STUDY DESIGN: Parents with children under age 18 years living in the US completed and submitted an online survey between September and November 2014. RESULTS: Among all 1300 participants, 1000 (76.9%; 538 mothers and 462 fathers) met the study inclusion criteria. The majority of surveyed parents considered the use of placebos acceptable in some pediatric care situations (86%) and some pediatric trials (91.5%), whereas only 5.7% of parents found the use of placebos in children always unacceptable. The clinical use of placebo was considered acceptable by a majority of parents for only 7 (mostly psychological) of the 17 conditions presented. Respondents' judgment about acceptability was influenced by the doctors' opinions about the therapeutic benefits of placebo treatment, the conditions for pediatric placebo use, transparency, safety, and purity of placebos. CONCLUSION: Most surveyed parents accepted the idea of using placebos in pediatric trials and within the clinic for some conditions without the practice of deception and with the creation of guidelines for ethical and safe use. This study suggests a need to reconsider pediatric trial design and clinical therapy in the light of generally positive parental support of appropriate placebo use. PMID- 27863848 TI - Hypermobility and Musculoskeletal Pain in Adolescents. AB - OBJECTIVE: To determine the prevalence of generalized joint hypermobility (GJH) in a large cohort of Australian children and determine the associations between GJH and musculoskeletal pain. STUDY DESIGN: This is a cross-sectional analysis of the Western Australian Pregnancy Cohort (Raine) Study. Hypermobility was measured in 1584 participants at 14 years of age using the Beighton scoring system, along with a range of other factors including musculoskeletal pain status. Logistic regression models were used to assess independent associations of GJH with factors of interest. RESULTS: The prevalence of GJH was 60.6% and 36.7% in girls and boys, respectively, when defined as a Beighton score of >=4; when defined as >=6, it was 26.1% and 11.5%. In girls, positive associations between GJH and higher socioeconomic status and better motor competence were observed. In boys, positive associations between GJH and lower body mass index were observed. After adjusting for potential confounders, an association between number of pain areas in the last month and made worse with sport were identified in boys but not girls. CONCLUSION: The high prevalence rates of GJH as defined by commonly used Beighton cutoff values in this cohort highlight the need to question the appropriateness of these cutoffs in future studies. Future prospective studies of the association between GJH and musculoskeletal pain should be adjusted for confounding variables identified in this study, and be powered for sex-specific analyses owing to the differing prevalence rates and hypermobility correlates in male and female samples. PMID- 27863849 TI - Nasogastric Tube in the Right Hemithorax: Where Is It? PMID- 27863850 TI - Pediatric Concussion Management in the Emergency Department: A National Survey of Parents. AB - OBJECTIVE: To examine parental expectations and beliefs about diagnosis and management of pediatric concussion. STUDY DESIGN: We conducted a cross-sectional web-based survey of a nationally representative panel of US parents in March 2014. Parents of 10- to 17-year-old children responded to questions about their expectations and beliefs about diagnosis and management of pediatric concussion in the emergency department (ED). Weighted percentages for descriptive statistics were calculated, and chi2 statistics were used for bivariate analysis. RESULTS: Survey participation was 53%, and of 912 parent respondents with a child 10-17 years of age who were presented with a scenario of their child having mild symptoms of concussion, 42% would seek immediate ED care. Parents who would seek immediate ED care for this scenario were more likely than parents who would consult their child's usual provider or wait at home to "definitely expect" imaging (65% vs 21%), definitive diagnosis of concussion (77% vs 61%), a timeline for return to activity (80% vs 60%), and a signed return to play form (55% vs 41%). CONCLUSIONS: Many parents who bring children to the ED following a possible concussion are likely to expect comprehensive and definitive care, including imaging, a definitive diagnosis, a timeline for return to activity, and a signed return to play form. To manage these expectations, healthcare providers should continue to educate parents about the evaluation and management of concussion. PMID- 27863851 TI - Long-term exposition to a high fat diet favors the appearance of beta-amyloid depositions in the brain of C57BL/6J mice. A potential model of sporadic Alzheimer's disease. AB - AIMS: The sporadic and late-onset form of Alzheimer's disease (AD) constitutes the most common form of dementia. This non-familiar form could be a consequence of metabolic syndrome, characterized by obesity and the development of a brain specific insulin resistance known as type III diabetes. This work demonstrates the development of a significant AD-like neuropathology due to these metabolic alterations. METHODS: C57BL/6J mice strain were divided into two groups, one fed with a diet rich in palmitic acid (high-fat diet, HFD) since their weaning until 16 months of age, and another group used as a control with a regular diet. The analyses were carried out in the dentate gyrus area of the hippocampus using a Thioflavin-S stain and immunofluorescence assays. RESULTS: The most significant finding of the present research was that HFD induced the deposition of the betaA peptide. Moreover, the diet also caused alterations in different cell processes, such as increased inflammatory reactions that lead to a decrease in the neuronal precursor cells. In addition, the results show that there were also dysregulations in normal autophagy and apoptosis, mechanisms related to betaA formation. CONCLUSIONS: The present findings confirm that HFD favors the formation of betaA depositions in the brain, a key feature of AD, supporting the metabolic hypothesis of sporadic AD. PMID- 27863852 TI - The RAG recombinase: Beyond breaking. AB - DNA double-strand breaks (DSBs) are commonly seen as lesions that threaten genome integrity and contribute to cancer and aging processes. However, in the context of antigen receptor gene assembly, known as V(D)J recombination, DSBs are obligatory intermediates that allow the establishment of genetic diversity and adaptive immunity. V(D)J recombination is initiated when the lymphoid-restricted recombination-activating genes RAG1 and RAG2 are expressed and form a site specific endonuclease (the RAG nuclease or RAG recombinase). Here, we discuss the ability of the RAG nuclease to minimize the risks of genome disruption by coupling the breakage and repair steps of the V(D)J reaction. This implies that the RAG genes, derived from an ancient transposon, have undergone strong selective pressure to prohibit transposition in favor of promoting controlled DNA end joining in cis by the ubiquitous DNA damage response and DNA repair machineries. We also discuss the idea that, in addition to being essential for the rearrangement of antigen receptor genes, RAG-mediated DSBs could impact cellular processes and outcomes by affecting genetic and epigenetic programs. PMID- 27863853 TI - Balancing Inflammation: Computational Design of Small-Molecule Toll-like Receptor Modulators. AB - As essential proteins of the innate immune system, Toll-like receptors (TLRs) are involved in a plethora of physiological pathologies and their modulation is an ongoing quest in the field of drug discovery. Although TLRs recognize an unusually broad range of different molecular patterns, only a few small-molecule TLR modulators have been reported to date. Recent advances in crystallography and in silico techniques provide promising opportunities for TLR investigations and drug design. Here, three application areas for computational approaches are considered: (i) exploration of TLR structure and activation; (ii) understanding TLR modulation; and (iii) TLR drug discovery. By providing an overview on state of-the-art computational methods, we highlight the value of molecular modeling in mechanistically understanding TLR function and guiding drug design. PMID- 27863854 TI - The Various Metabolic Sources of Histone Acetylation. AB - Glucose-derived acetyl-CoA levels directly impact histone acetylation, linking the energetic status of the cell to its epigenome. Two recent reports showed that other carbon sources can contribute to the acetyl-CoA pool used for histone acetylation, highlighting the metabolic plasticity that allows cells to respond to nutrient availability. PMID- 27863856 TI - Accuracy of intraoral digital impressions using an artificial landmark. AB - STATEMENT OF PROBLEM: Intraoral scanners have been reported to have limited accuracy in edentulous areas. Large amounts of mobile tissue and the lack of obvious anatomic landmarks make it difficult to acquire a precise digital impression of an edentulous area with an intraoral scanner. PURPOSE: The purpose of this in vitro study was to determine the effect of an artificial landmark on a long edentulous space on the accuracy outcomes of intraoral digital impressions. MATERIAL AND METHODS: A mandibular model containing 4 prepared teeth and an edentulous space of 26 mm in length was used. A blue-light light-emitting diode tabletop scanner was used as a control scanner, and 3 intraoral scanners were used as experimental groups. Five scans were made using each intraoral scanner without an artificial landmark, and another 5 scans were performed after application of an artificial landmark (a 4*3 mm alumina material) on the edentulous area. The obtained datasets were used to evaluate trueness and precision. RESULTS: Without an artificial landmark on the edentulous area, the mean trueness for the intraoral scanner ranged from 36.1 to 38.8 MUm and the mean precision ranged from 13.0 to 43.6 MUm. With an artificial landmark on the edentulous area, accuracy was improved significantly: the mean trueness was 26.7 to 31.8 MUm, and the mean precision was 9.2 to 12.4 MUm. CONCLUSIONS: The use of an alumina artificial landmark in an edentulous space improved the trueness and precision of the intraoral scanners tested. PMID- 27863855 TI - Erratum to "Intra-individual changes in Stroop-related activations linked to cigarette abstinence in adolescent tobacco smokers: Preliminary findings" [Drug Alcohol Depend. 167 (2016) 182-189]. PMID- 27863857 TI - Retention and wear behaviors of two implant overdenture stud-type attachments at different implant angulations. AB - STATEMENT OF PROBLEM: Implant angulation should be considered when selecting an attachment. Some in vitro studies have investigated the relationship between implant angulation and changes in the retention force of the stud attachment, but few studies have evaluated the effect of cyclic loading and repeated cycles of insertion and removal on the stud attachment. PURPOSE: The purpose of this in vitro study was to evaluate the effects of implant angulation on the retentive characteristics of overdentures with 2 different stud attachments, an experimental system and O-rings in red and orange, after cyclic loading and repeated insertion and removal cycles. MATERIAL AND METHODS: The canine region of a mandibular experimental model was fitted with 2 implant fixtures with 2 different stud attachment systems at implant angulations of 0, 15, or 30 degrees. A mastication simulator was used to simulate cyclic loading, and a universal testing machine was used to evaluate retentive force changes after repeated insertion and removal cycles. To simulate the numbers of mastication and insertion and removal cycles per annum, 400000 cyclic loadings and 1080 insertion and removal cycles were performed. Wear patterns and attachment surface deformations were evaluated by scanning electron microscopy. Data were analyzed using the Kruskal-Wallis test, Mann-Whitney U test with Bonferroni correction (alpha=.05/3=.017), and the paired-sample Student t test (alpha=.05). RESULTS: When retentive forces before and after testing were compared, O-ring showed significant retention loss at all implant angulations (P<.001). In contrast, the experimental system showed little retention loss in the 0- and 15-degree models (P>.05), whereas the 30-degree model showed a significant increase in retentive force (P=.001). At all implant angulations, retention loss increased significantly for the orange O-ring, followed by the red O-ring, and the experimental system (P<.001). Scanning electron microscopy analysis showed more intense wear in the matrix than the patrix (abutment that matches to matrix) and more severe wear and deformation of the O-ring rubber matrix than of the experimental zirconia ball. CONCLUSIONS: Upon completion of the experiment, wear and deformation were found for all attachment systems. Even when implants are not installed in parallel, the experimental system can be used without involving great loss of retention. PMID- 27863858 TI - Authors' Response. PMID- 27863859 TI - Effect of fiber posts on the fracture resistance of maxillary central incisors with Class III restorations: An in vitro study. AB - STATEMENT OF PROBLEM: Endodontically treated teeth with Class III restorations show reduced fracture resistance. The placement of glass fiber posts may affect fracture resistance and should be further evaluated. PURPOSE: The purpose of this in vitro study was to evaluate the effect of fiber posts on the fracture resistance of endodontically treated maxillary central incisors with Class III restorations. MATERIAL AND METHODS: Forty extracted human maxillary central incisors were selected and divided into 4 test groups (n=10 each) according to the restoration strategy: control group; endodontically treated teeth without endodontic posts (GHT); endodontically treated teeth with 2 Class III restorations simulating coronal destruction (GCT); endodontically treated teeth with 2 Class III restorations and a carbon fiber post (GCF); and endodontically treated teeth with 2 Class III restorations and a glass-fiber post (GGF). The fiber posts were adhesively cemented with composite resin cement, and the cavities were restored with composite resin. After 3 months of water storage, all specimens were loaded at 45 degrees in a universal testing machine until fracture and evaluated for fracture mode. The data were analyzed using 1-way ANOVA, followed by the Tukey honest significant difference multiple comparisons test (alpha=.05). RESULTS: Mean +/-SD failure loads ranged from 687.5 +/-84.0 N to 943.8 +/-93.1 N. One-way ANOVA revealed a statistically significant difference among the groups (P<=.05). The control group (GHT) had significantly higher resistance to fracture than the other groups (P<=.05). CONCLUSIONS: Within the limitations of this in vitro study, placement of a fiber post did not affect the fracture resistance of endodontically treated maxillary central incisors with 2 Class III restorations. PMID- 27863860 TI - Orofacial rehabilitation with zygomatic implants: CAD-CAM bar and magnets for patients with nasal cancer after rhinectomy and partial maxillectomy. AB - Nasal carcinoma extending into the premaxilla requires radical surgical excision including rhinectomy and partial maxillectomy. Rehabilitation is complex and involves the use of removable prostheses. Three patients treated with zygomatic implants and custom-milled bars to retain an obturator and nasal prosthesis are presented. PMID- 27863861 TI - Health care utilization and consequences of readmission in the first year after lung transplantation. AB - BACKGROUND: Hospital readmissions are costly and have become a focus for quality improvement. We aimed to determine risk factors, rate, and outcomes of readmissions within the first year after lung transplantation and the potential impact on patient survival. METHODS: A retrospective cohort study of all lung transplant recipients >=18 years old who had undergone initial transplantation (2004-2013) at a single center was conducted. Logistic regression was used to identify independent predictors of readmission for patients who survived hospitalization. Cox regression was used to explore the relationship between readmission and long-term risk of death, while adjusting for potential confounders for patients who survived the first year. RESULTS: During the study period, 412 patients met inclusion criteria for the readmission analysis. There were 276 patients (67%) readmitted within 1 year after lung transplantation for a total of 609 readmissions (average +/- SD, 1.5 +/- 2). Average length of readmission stay was 6 days +/- 7, with 44% of readmissions lasting <=3 days. Airway complications were found to be a significant risk factor for readmission (odds ratio, 4.18; 95% confidence interval, 1.78-9.54; p = 0.001). After adjustment, the overall risk of death was significantly higher with each readmission during the first year (hazard ratio, 1.22; 95% confidence interval, 1.13-1.31, p < 0.0001). CONCLUSIONS: Most patients who survive the first post operative year experience at least 1 readmission, with patients who experience airway complications at particular risk. Patients discharged to inpatient rehabilitation were less likely to be readmitted. The cumulative burden of multiple readmissions is associated with worse long-term survival. PMID- 27863862 TI - Extracorporeal membrane oxygenation with multiple-organ failure: Can molecular adsorbent recirculating system therapy improve survival? AB - BACKGROUND: Liver dialysis, molecular adsorbent recirculating system (MARS) particularly, has been used in liver failure to bridge to transplantation. We expanded the indication for MARS to patients with acute shock liver failure and cardiopulmonary failure on extracorporeal membrane oxygenation (ECMO), aiming to improve survival to wean from ECMO. METHODS: Retrospective chart analysis of patients on ECMO between 2010 and 2015 found 28 patients who met the criteria for acute liver failure, diagnosed by hyperbilirubinemia (total bilirubin >=10 mg/dl) or by elevated transaminase (alanine transaminase >1,000 IU/liter). Of these patients, 14 underwent MARS treatment (Group M), and 14 were supported with optimal medical treatment without MARS (Group C). Patient characteristics, liver function, and survival were compared between groups. RESULTS: Demographics, clinical risk factors, and pre-ECMO laboratory data were identical between the groups. MARS was used continuously for 8 days +/- 9 in Group M. Total bilirubin, alanine transaminase, and international normalized ratio were improved significantly in Group M. There were no MARS-related complications. Survival to wean from ECMO for Group M was 64% (9/14) vs 21% (3/14) for Group C (p = 0.02). Mortality related to worsening liver dysfunction during ECMO was 40% (2/5 deaths) in Group M and 100% (11/11 deaths) in Group C (p = 0.004). The 30-day survival after ECMO was 43% (6/14) in Group M and 14% (2/14) in Group C (p = 0.09). CONCLUSIONS: MARS therapy in patients on ECMO safely accelerated recovery of liver function and improved survival to wean from ECMO, without increasing complications. PMID- 27863863 TI - Effect of beta2-adrenergic receptor stimulation on lung fluid in stable heart failure patients. AB - BACKGROUND: The purpose of this study was to determine: (1) whether stable heart failure patients with reduced ejection fraction (HFrEF) have elevated extravascular lung water (EVLW) when compared with healthy control subjects; and (2) the effect of acute beta2-adrenergic receptor (beta2AR) agonist inhalation on lung fluid balance. METHODS: Twenty-two stable HFrEF patients and 18 age- and gender-matched healthy subjects were studied. Lung diffusing capacity for carbon monoxide (DLCO), alveolar-capillary membrane conductance (DmCO), pulmonary capillary blood volume (Vc) (via re-breathe) and lung tissue volume (Vtis) (via computed tomography) were assessed before and within 30 minutes after administration of nebulized albuterol. EVLW was derived as Vtis - Vc. RESULTS: Before administration of albuterol, Vtis and EVLW were higher in HFrEF vs control (998 +/- 200 vs 884 +/- 123 ml, p = 0.041; and 943 +/- 202 vs 802 +/- 133 ml, p = 0.015, respectively). Albuterol decreased Vtis and EVLW in HFrEF patients (-4.6 +/- 7.8%, p = 0.010; -4.6 +/- 8.8%, p = 0.018) and control subjects (-2.8 +/- 4.9%, p = 0.029; -3.0 +/- 5.7%, p = 0.045). There was an inverse relationship between pre-albuterol values and pre- to post-albuterol change for EVLW (r2 = 0.264, p = 0.015) and DmCO (r2 = -0.343, p = 0.004) in HFrEF only. CONCLUSION: Lung fluid is elevated in stable HFrEF patients relative to healthy subjects. Stimulation of beta2ARs may cause fluid removal in HFrEF, especially in patients with greater evidence of increased lung water at baseline. PMID- 27863864 TI - Laminin-5 and insulin-like growth factor-II mRNA binding protein-3 (IMP3) expression in preoperative biopsy specimens from oral cancer patients: Their role in neural spread risk and survival stratification. AB - Perineural invasion (PNI) hinders the ability to establish local control of oral squamous cell carcinoma (OSCC). To date, PNI can be evaluated only in surgical specimens and not in preoperative biopsy material, rendering timely therapeutic planning impossible. Insulin-like growth factor-II mRNA binding protein-3 (IMP3) expression appears to be of diagnostic and prognostic utility for many solid tumours, and laminin-5 expression in surgical specimens has been identified as a valid predictor of neural spread of head-and-neck neoplasms. The ability to use preoperative biopsy material to identify patients exhibiting PNI is fundamental for good management of OSCC. We examined a series of 64 consecutive patients treated (primarily via surgery) for OSCC between 2009 and 2014 at the Maxillofacial Surgery Unit, University of Bologna. We evaluated IMP3 and laminin 5 expression in preoperative biopsy material using immunohistochemistry and quantitative reverse transcription polymerase chain reaction. We sought to correlate expression of IMP3 and laminin-5 with PNI evident in surgical specimens. Expression of IMP3 and laminin-5 in preoperative biopsy material appeared to be predictive of PNI in patients with OSCC (P < 0.001). Additionally, the results of multivariate analyses showed that IMP3 status was an independent predictor of death of patients with OSCC (P = 0.001). The present study demonstrates that IMP3 and laminin-5 expression in preoperative biopsy material correlate well with PNI status and may allow accurate preoperative risk stratification of patients with OSCC. PMID- 27863866 TI - Insights into bedrock surface morphology using low-cost passive seismic surveys and integrated geostatistical analysis. AB - The HVSR (Horizontal to Vertical Spectral Ratio) technique is very popular in the context of seismic microzonation and for the mapping of shallow seismic reflectors, such as the sediment/bedrock transition surface. This easy-to-deploy single station passive seismic technique permits the collection of a considerable amount of HVSR data in a cost-effective way. It is not surprising that some recent studies have adopted single station micro-tremor analyses in order to retrieve information on geological structures in 1D, 2D or even 3D reconstructions. However, the interpolation approaches followed in these studies for extending the punctual HVSR data spatially are not supported by a detailed spatial statistical analysis. Conversely, in order to exploit the informative content and quantify the related uncertainty of HVSR data it is necessary to utilize a deep spatial statistical analysis and objective interpolation approaches. Moreover, the interpolation approach should make it possible to use expert knowledge and auxiliary information. Accordingly, we present an integrated geostatistical approach applied to HVSR data, collected for retrieving information on the morphology of a buried bedrock surface. The geostatistical study is conducted on an experimental dataset of 116 HVSR data collected in a small thermal basin located in the Venetian Plain (Caldiero Basin, N-E Italy). The explorative geostatistical analysis of the data coupled with the use of interpolation kriging techniques permit the extraction of relevant information on the resonance properties of the subsoil. The utilized approach, based on kriging with external drift (or its extension, i.e. regression kriging), permits the researcher to take into account auxiliary information, evaluate the related prediction uncertainty, and highlight abrupt variations in subsoil resonance frequencies. The results of the analysis are discussed, also with reflections pertaining to the geo-engineering and geo-environmental context. PMID- 27863865 TI - Solubility of indium-tin oxide in simulated lung and gastric fluids: Pathways for human intake. AB - From being a metal with very limited natural distribution, indium (In) has recently become disseminated throughout the human society. Little is known of how In compounds behave in the natural environment, but recent medical studies link exposure to In compounds to elevated risk of respiratory disorders. Animal tests suggest that exposure may lead to more widespread damage in the body, notably the liver, kidneys and spleen. In this paper, we investigate the solubility of the most widely used In compound, indium-tin oxide (ITO) in simulated lung and gastric fluids in order to better understand the potential pathways for metals to be introduced into the bloodstream. Our results show significant potential for release of In and tin (Sn) in the deep parts of the lungs (artificial lysosomal fluid) and digestive tract, while the solubility in the upper parts of the lungs (the respiratory tract or tracheobronchial tree) is very low. Our study confirms that ITO is likely to remain as solid particles in the upper parts of the lungs, but that particles are likely to slowly dissolve in the deep lungs. Considering the prolonged residence time of inhaled particles in the deep lung, this environment is likely to provide the major route for uptake of In and Sn from inhaled ITO nano- and microparticles. Although dissolution through digestion may also lead to some uptake, the much shorter residence time is likely to lead to much lower risk of uptake. PMID- 27863867 TI - Prenatal di-2-ethylhexyl phthalate exposure and cord blood adipokine levels and birth size: The Hokkaido study on environment and children's health. AB - Di-2-ethylhexyl phthalate (DEHP) is one of the most widely used phthalates. Metabolites of DEHP are detectable in majority of the population. Findings on adverse health outcomes, particularly birth weight in association with prenatal exposure to DEHP remain equivocal. Besides, there is insufficient evidence to address influence on metabolic function from epidemiological studies. Thus, our objective was to investigate cord blood adipokine levels and birth size in association with prenatal DEHP exposure in prospective birth cohort study. Mono-2 methylhexyl phthalate (MEHP), primary metabolite of DEHP was determined as exposure by using maternal blood sample of 3rd trimester. Leptin and adiponectin levels in cord blood were measured as markers of metabolic function. Birth weight and length were obtained from birth record. Association between maternal MEHP levels and cord blood adiponectin and leptin levels, birth weight and ponderal index (PI) were examined for 167 mother-child pairs who had both MEHP and cord blood adipokine measurements. The median MEHP level was 8.81ng/ml and the detection rate was 100%. There was no sex difference in MEHP levels. Both leptin and adiponectin levels were higher in girls than in boys. MEHP level was positively associated with adiponectin level among boys and was negatively associated with leptin level among girls. MEHP level were negatively associated with PI only in girls and this could be due to decreased leptin level. This study suggested that prenatal DEHP exposure may be associated with cord blood adipokine and birth size. The influence potentially be sex-specific and could be more significant in girls. PMID- 27863868 TI - Establishing geochemical background variation and threshold values for 59 elements in Australian surface soil. AB - During the National Geochemical Survey of Australia over 1300 top (0-10cm depth) and bottom (~60-80cm depth) sediment samples (including ~10% field duplicates) were collected from the outlet of 1186 catchments covering 81% of the continent at an average sample density of 1 site/5200km2. The <2mm fraction of these samples was analysed for 59 elements by ICP-MS following an aqua regia digestion. Results are used here to establish the geochemical background variation of these elements, including potentially toxic elements (PTEs), in Australian surface soil. Different methods of obtaining geochemical threshold values, which differentiate between background and those samples with unusually high element concentrations and requiring attention, are presented and compared to Western Australia's 'ecological investigation levels' (EILs) established for 14 PTEs. For Mn and V these EILs are so low that an unrealistically large proportion (~24%) of the sampled sites would need investigation in Australia. For the 12 remaining elements (As, Ba, Cd, Co, Cr, Cu, Hg, Mo, Ni, Pb, Sn and Zn) few sample sites require investigation and as most of these are located far from human activity centres, they potentially suggest either minor local contamination or mineral exploration potential rather than pollution. No major diffuse source of contamination by PTEs affects Australian soil at the continental scale. Of the statistical methods used to establish geochemical threshold values, the most pertinent results come from identifying breaks in cumulative probability distributions, the Tukey inner fence and the 98th percentile. Geochemical threshold values for 59 elements, including emerging 'high-tech' critical elements such as lanthanides, Be, Ga or Ge, for which no EILs currently exist, are presented. PMID- 27863869 TI - Similarities and differences in occurrence and temporal fluctuations in glyphosate and atrazine in small Midwestern streams (USA) during the 2013 growing season. AB - Glyphosate and atrazine are the most intensively used herbicides in the United States. Although there is abundant spatial and temporal information on atrazine occurrence at regional scales, there are far fewer data for glyphosate, and studies that compare the two herbicides are rare. We investigated temporal patterns in glyphosate and atrazine concentrations measured weekly during the 2013 growing season in 100 small streams in the Midwestern United States. Glyphosate was detected in 44% of samples (method reporting level 0.2MUg/L); atrazine was detected above a threshold of 0.2MUg/L in 54% of samples. Glyphosate was detected more frequently in 12 urban streams than in 88 agricultural streams, and at concentrations similar to those in streams with high agricultural land use (>40% row crop) in the watershed. In contrast, atrazine was detected more frequently and at higher concentrations in agricultural streams than in urban streams. The maximum concentration of glyphosate measured at most urban sites exceeded the maximum atrazine concentration, whereas at agricultural sites the reverse was true. Measurement at a 2-day interval at 8 sites in northern Missouri revealed that transport of both herbicide compounds appeared to be controlled by spring flush, that peak concentration duration was brief, but that peaks in atrazine concentrations were of longer duration than those of glyphosate. The 2 day sampling also indicated that weekly sampling is unlikely to capture peak concentrations of glyphosate and atrazine. PMID- 27863870 TI - Fast and slow adsorption of carbamazepine on biochar as affected by carbon structure and mineral composition. AB - The influence of carbon structure and mineral composition of biochar on fast adsorption and slow adsorption of ionic organic contaminants (IOCs) is still unclear. This study used carbamazepine (CBZ) as adsorbate, peanut-shell-derived biochars produced at different charred temperatures, and the corresponding acid washed biochars as adsorbents, to investigate the adsorption kinetics as affected by carbon structure and mineral composition of biochar. The adsorption of CBZ on amorphous (loose) carbon was lower than aromatic (condensed) carbon, but the former mainly contributed to the fast adsorption of CBZ. The hydrophobic and pi pi interactions were likely the predominant adsorption mechanisms of CBZ on biochar. The ratio of CBZ fast and slow adsorption fractions (ffast/fslow) significantly reduced after acid-wash treatment of the biochars. The X-ray diffraction and Fourier transform infrared spectra indicated that minerals, including CaCO3, KAlO2, and quartz, were likely responsible for the fast adsorption of CBZ by the hydrogen bonds between CBZ and -OH on the surface of minerals. These results are useful for better understanding of the environmental behavior and prediction of the environmental risks of IOCs in biochar-amended soils. PMID- 27863871 TI - Bacterial mineralization of phenanthrene on thermally activated palygorskite: A 14C radiotracer study. AB - Clay-bacterial interaction can significantly influence the biodegradation of organic contaminants in the environment. A moderate heat treatment of palygorskite could alter the physicochemical properties of the clay mineral and thus support the growth and function of polycyclic aromatic hydrocarbon (PAH) degrading bacteria. By using 14C-labelled phenanthrene and a model bacterium Burkholderia sartisoli, we studied the mineralization of phenanthrene on the surface of a moderately heat-treated (up to 400 degrees C) palygorskite. The heat treatment at 400 degrees C induced a reduction of binding sites (e.g., by the elimination of organic matter and/or channel shrinkage) in the palygorskite and thus imparted a weaker sequestration of phenanthrene on its surface and within the pores. As a result, a supplement with the thermally modified palygorskite (400 degrees C) significantly increased (20-30%; p<0.05) the biomineralization of total phenanthrene in a simulated soil slurry system. These results are highly promising to develop a clay mineral based technology for the bioremediation of PAH contaminants in water and soil environments. PMID- 27863873 TI - A Case of Transient Global Amnesia with Small Left Putamen Infarction. AB - A 67-year-old right-handed woman experienced a sudden anterograde and retrograde short-term memory deficit that recovered on the next day. Magnetic resonance imaging (MRI) showed a spotty high-intensity lesion in the left putamen in the diffusion-weighted and fluid-attenuated inversion recovery images. Transient global amnesia due to lacunar infarction of the left putamen was diagnosed. Transient global amnesia is characterized by a sudden onset of anterograde amnesia that disappears within 24 hours. The cause of transient global amnesia is still uncertain. Some studies with MRI showed small lesions in the hippocampus at 24-74 hours after the episode. These lesions disappear within several weeks. However, our case of transient global amnesia showed a small lesion in the left putamen, not the hippocampus. Some studies with functional MRI reported that the stratum plays an important role in short-term memory and cognitive function. This case showed only a left putamen lesion, which indicates that a putamen lesion can cause transient global amnesia. PMID- 27863872 TI - Seasonal and temperature modifications of the association between fine particulate air pollution and cardiovascular hospitalization in New York state. AB - It is known that extreme temperature and ambient air pollution are each independently associated with human health outcomes. However, findings from the few studies that have examined modified effects by seasons and the interaction between air pollution and temperature on health endpoints are inconsistent. This study examines the effects of short-term PM2.5 (particulate matter less than or equal to 2.5MUm in aerodynamic diameter) on hospitalization for cardiovascular diseases (CVDs), its modifications by season and temperature, and whether these effects are heterogeneous across different regions in New York State (NYS). We used daily average temperature and PM2.5 concentrations as exposure indicators and performed a time series analysis with a quasi-Poisson model, controlling for possible confounders, such as time-relevant variables and dew point, for CVDs in NYS, 1991-2006. Stratification parametric models were applied to evaluate the modifying effects by seasons and temperature. Across the whole year, a 10-MUg/m3 increment in PM2.5 concentration accounted for a 1.37% increase in CVDs (95% confidence interval (CI): 0.90%, 1.84%) in New York City, Long Island & Hudson. The PM2.5 effect was strongest in winter, with an additional 2.06% (95% CI: 1.33%, 2.80%) increase in CVDs observed per 10-MUg/m3 increment in PM2.5. Temperature modified the PM2.5 effects on CVDs, and these modifications by temperature on PM2.5 effects on CVDs were found at low temperature days. These associations were heterogeneous across four PM2.5 concentration regions. PM2.5 was positively associated with CVD hospitalizations. The short-term PM2.5 effect varied with season and temperature levels, and stronger effects were observed in winter and at low temperature days. PMID- 27863874 TI - Successful autologous haematopoietic stem cell transplantation for refractory myasthenia gravis - a case report. AB - Myasthenia gravis (MG) is an autoimmune disease, with immune reactivity against the post-synaptic endplate of the neuromuscular junction. Apart from symptomatic treatment with choline esterase blockers, many patients also require immunomodulatory treatment. Despite existing treatment options, some patients are treatment refractory. We describe a patient with severe MG refractory to corticosteroids, four oral immunosuppressants, cyclophosphamide, rituximab and bortezomib who was treated with autologous haematopoietic stem cell transplantation. Two years after this, the patient has significantly improved in objective tests and in quality of life and leads an active life. Diplopia is her only remaining symptom and she is completely free of medication for MG. We believe that autologous haematopoietic stem cell transplantation can be an effective therapeutic option for carefully selected cases of severe, treatment refractory MG. PMID- 27863875 TI - Knowledge of carrier status and barriers to testing among mothers of sons with Duchenne or Becker muscular dystrophy. AB - Our study objective was to survey female carriers for Duchenne and Becker muscular dystrophy to identify barriers to carrier testing and the impact of carrier risk knowledge on cardiac and reproductive health management. We surveyed women who have or had biological sons with Duchenne or Becker muscular dystrophy and were enrolled in the US DuchenneConnect patient registry, with questions assessing knowledge of carrier status and recurrence risk, knowledge of care standards for carriers, and barriers to testing. Of the 182 eligible respondents, 25% did not know their carrier status and 14% incorrectly classified themselves as not at risk. Cost of testing was the most commonly identified barrier to testing. Women reporting unknown carrier status were 13 times as likely to express uncertainty regarding their recurrence risk compared to women reporting positive carrier status. 37% of women at an increased risk for cardiomyopathy had never had an echocardiogram. Women who were certain of their positive carrier status were twice as likely to have had an echocardiogram in the last five years compared to women with unknown carrier status. Future research on reducing barriers to counseling and carrier testing, such as cost, may improve care standard adherence. PMID- 27863876 TI - Scoping review: The use of early warning systems for the identification of in hospital patients at risk of deterioration. AB - INTRODUCTION: Early warning systems (EWS) were developed as a means of alerting medical staff to patient clinical decline. Since 85% of severe adverse events are preceded by abnormal physiological signs, the patient bed-side vital signs observation chart has emerged as an EWS tool to help staff identify and quantify deteriorating patients. There are three broad categories of patient observation chart EWS: single or multiple parameter systems; aggregated weighted scoring systems; or combinations of single or multiple parameter and aggregated weighted scoring systems. OBJECTIVE: This scoping review is an overview of quantitative studies and systematic reviews examining the efficiency of the adult EWS charts in the recognition of in-hospital patient deterioration. METHOD: A broad search was undertaken of peer-reviewed publications, official government websites and databases housing research theses, using combinations of keywords and phrases. DATA SOURCES: CINAHL with full text; MedLine, PsycINFO, MasterFILE Premier, GreenFILE and ScienceDirect. Also, the Cochrane Library database, Department of Health government websites and Ethos, ProQuest and Trove databases were searched. EXCLUSIONS: Paediatric, obstetric and intensive care studies, studies undertaken at the point of hospital admission or pre-admission, non-English publications and editorials. RESULTS: Five hundred and sixty five publications, government documents, reports and theses were located of which 91 were considered and 21 were included in the scoping review. Of the 21 publications eight studies compared the efficacy of various EWS and 13 publications validated specific EWS. CONCLUSIONS: There is low level quantitative evidence that EWS improve patient outcomes and strong anecdotal evidence that they augment the ability of the clinical staff to recognise and respond to patient decline, thus reducing the incidence of severe adverse events. Although aggregated weighted scoring systems are most frequently used, the efficiency of the specific EWS appears to be dependent on the patient cohort, facilities available and staff training and attitude. While the review demonstrates support for EWS, researchers caution that given the contribution of human factors to the EWS decision-making process, patient EWS charts alone cannot replace good clinical judgment. PMID- 27863877 TI - Pro: Inhaled Pulmonary Vasodilators Should Be Used Routinely in the Management of Patients Undergoing Lung Transplantation. PMID- 27863878 TI - A Hazard of Transesophageal Echocardiography in a Neonate. PMID- 27863879 TI - Settling velocity of microplastic particles of regular shapes. AB - Terminal settling velocity of around 600 microplastic particles, ranging from 0.5 to 5mm, of three regular shapes was measured in a series of sink experiments: Polycaprolactone (material density 1131kgm-3) spheres and short cylinders with equal dimensions, and long cylinders cut from fishing lines (1130-1168kgm-3) of different diameters (0.15-0.71mm). Settling velocities ranging from 5 to 127mms-1 were compared with several semi-empirical predictions developed for natural sediments showing reasonable consistency with observations except for the case of long cylinders, for which the new approximation is proposed. The effect of particle's shape on its settling velocity is highlighted, indicating the need of further experiments with real marine microplastics of different shapes and the necessity of the development of reasonable parameterization of microplastics settling for proper modeling of their transport in the water column. PMID- 27863880 TI - Fractionation of heavy metals in sediments and assessment of their availability risk: A case study in the northwestern of Persian Gulf. AB - Sequential extraction procedure was applied to determine the chemical forms of heavy metals in sediments in order to assess their mobility and availability in the aquatic environment. The mean concentrations of Cr, Ni, Pb, Cd, Cu and Zn in exchangeable and carbonate fractions were 14.9, 30.9, 17, 0.37, 4.4 and 14.4mg/kg, respectively. Based on the sediments quality guidelines (SQGs), the adverse biological effects caused by Ni, can occur frequently across the study area. Risk assessment code (RAC) suggested that the Cd has the highest level of environmental risk compared with other studied metals. Modified risk assessment code (mRAC) demonstrated a high potential adverse effect in the many of sampling sites. According to the fractionation results, the concentration of Ni in exchangeable and carbonate fractions was very considerable and more than other metals, hence, the potential risk of nickel release can be much more than other investigated metals. PMID- 27863881 TI - Isolation and characterization of a high-efficiency erythromycin A-degrading Ochrobactrum sp. strain. AB - In this work, Erythromycin A(EA)- degrading bacteria was isolated from the contaminated soil obtained from a pharmaceutical factory in China. The isolate designated as strain WX-J1 was identified as Ochrobactrum sp. by sequence analysis of its 16S rDNA gene. It can grow in a medium containing EA as the sole source of carbon and its optimal growth pH and temperature were 6.5 and 32 degrees C, respectively. Under these conditions, when the initial Erythromycin A concentration was 100mg.L-1, 97% of Erythromycin A has been degraded. HPLC-MS analyses indicated that Erythromycin A degradation produced intermediates contained the following three substances: 3-depyranosyloxy erythromycin A, 7,12 dyhydroxy-6-deoxyerythronolide B, 6-deoxyerythronolide B and propionaldehyde. Since Erythromycin A-degrading Ochrobactrum sp. strain rapidly degraded Erythromycin A, this strain might be useful for bioremediation purposes. PMID- 27863882 TI - Chemical composition of two mineralogically contrasting Arctic bivalves' shells and their relationships to environmental variables. AB - The main goal of this study was to determine the concentrations of trace elements in the mineralogically contrasting shells of two Arctic bivalves: Chlamys islandica and Ciliatocardium ciliatum. Aragonite shells seem to be more susceptible to the binding of metal ions, which is most likely a result of their crystal lattice structure. We suggest that less biologically controlled aragonite mineralization tends to incorporate more metal impurities into the crystal lattice in waters with a lower pH, where metal ions are more available. Higher concentrations of impurities may further increase the lattice distortion causing lower crystal lattice stability and higher susceptibility to dissolution. Calcitic shells seem to be less prone to bind metal ions than aragonite shells most likely because under strict biological control, the uptake of ions from ambient seawater is more selective; thus, the final crystal lattice is less contaminated by other metals and is more resistant to dissolution. PMID- 27863883 TI - Polymer/reduced graphene oxide functionalized sponges as superabsorbents for oil removal and recovery. AB - Polyurethane dish-washing (PU-DW) sponges are functionalized sequentially with polyethylenimine (PEI) and graphene oxide (GO) to form PEI/reduced graphene oxide (RGO) PU-DW sponges. The PEI/RGO PU-DW sponge consists of PEI/RGO sheets having numerous pores, with diameters ranging from 236 to 254nm. To further enhance hydrophobicity and absorption capacity of oil, PEI/RGO PU-DW sponge is further coated with 20% phenyltrimethoxysilane (PTMOS). The PTMOS/PEI/RGO PU-DW sponge absorbs various oils within 20s, with maximum absorption capacity values of 880% and 840% for bicycle chain oil and motorcycle engine oil, respectively. The absorbed oils were released completely by squeezing or immersed in hexane. The PTMOS/PEI/RGO PU-DW sponge efficiently separates oil/water mixtures through a flowing system. Having the advantages of faster absorption rate, reusability, and low cost, the PTMOS/PEI/RGO PU-DW sponge holds great potential as a superabsorbent for efficient removal and recovery of oil spills as well as for the separation of oil/water mixtures. PMID- 27863884 TI - Cultivation of activated sludge using sea mud as seed to treat industrial phenolic wastewater with high salinity. AB - A technique is proposed to treat saline hazardous wastewater by using marine activated sludge, cultivated with sea mud as seed. Since the developed marine activated sludge had phenol-tolerant microorganisms (MAS-1, MAS-2 and MAS-3) which originated from the ocean, it was envisaged that these bacteria could survive and breakdown phenol in saline environments. In this work, typical phenol tolerant microorganisms were isolated from the marine activated sludge and identified. After a hierarchical acclimation process, the marine activated sludge was used to treat the industrial phenolic wastewater with high salinity. The marine activated sludge was able to break down phenol and other organic components effectively and efficiently in treating the wastewater with salinity of 5.7% w/v. The results showed a high removal of phenol (99%), COD (80%) and NH3 N (68%). PMID- 27863885 TI - Cell-type specific variation in the induction of ER stress and downstream events in chikungunya virus infection. AB - Over the last decade infections with the mosquito transmitted chikungunya virus (CHIKV) have become a major worldwide concern, and considerable efforts have been made in understanding the interaction of this virus with the host cell machinery. Studies have documented the induction of the unfolded protein response (UPR), as well as the induction of apoptosis and autophagy in response to CHIKV infection. This study comparatively analysed these three processes in two cell lines, Hela and HepG2. Infection of Hela cells was characterized by activation of the PERK/eIF2alpha branch of the UPR, the induction of autophagy and early apoptosis, while infection of HepG2 cells was characterized by activation of the IRE/XBP1 branch of the UPR, limited or no activation of autophagy and comparatively later apoptosis. These results show that the specific cell context is an important mediator of the host cell response to CHIKV infection. PMID- 27863886 TI - Cognitive Control As a Double-Edged Sword. AB - Cognitive control, the ability to limit attention to goal-relevant information, aids performance on a wide range of laboratory tasks. However, there are many day to-day functions which require little to no control and others which even benefit from reduced control. We review behavioral and neuroimaging evidence demonstrating that reduced control can enhance the performance of both older and, under some circumstances, younger adults. Using healthy aging as a model, we demonstrate that decreased cognitive control benefits performance on tasks ranging from acquiring and using environmental information to generating creative solutions to problems. Cognitive control is thus a double-edged sword - aiding performance on some tasks when fully engaged, and many others when less engaged. PMID- 27863888 TI - Lipoma arborescens in bilateral knee joints accompany gouty tophi: A case-based review of the literature. PMID- 27863887 TI - Comfort and acceptability of various immobilization positions using a shoulder external rotation and abduction brace. AB - BACKGROUND: Immobilization with shoulder braces is used for conservative treatment of an initial shoulder dislocation. Various arm positions have been investigated to determine optimal position in terms of the anatomical reduction of the Bankart lesion. Recently, the effect of immobilization in shoulder abduction as well as in external rotation has been reported. However, there are few studies assessing subjects' acceptability of the brace in various arm positions. We hypothesized that a certain arm position regarding abduction or external rotation for immobilization would induce significant discomfort during activities of daily living. METHODS: A dominant arm of 20 healthy participants was immobilized with a shoulder brace in 4 different positions; adduction and internal rotation (Add-IR), adduction and external rotation (Add-ER), 30 degrees of abduction and 30 degrees of external rotation (Abd-30ER), and 30 degrees of abduction and 60 degrees of external rotation (Abd-60ER). After completing immobilization for 24 h, subjects were asked to assess the discomfort of bracing for overall and individual activities, using a visual analogue scale. Data were compared among the four positions. RESULTS: For overall activities and several activities (eating, reading books, and removing and putting on pants), Abd-60ER was significantly more uncomfortable than adducted arm positions. Abd-30ER did not show any differences compared to the other arm positions. CONCLUSION: Immobilization in abduction and external rotation seems to be acceptable although the arm position in 30 degrees of abduction and 60 degrees of external rotation is less comfortable than the others. Our results might be useful in determining and developing the ideal shoulder brace which could keep patients' compliance and improve their outcomes. PMID- 27863889 TI - Same-Day Discharge in Laparoscopic Acute Non-Perforated Appendectomy. AB - BACKGROUND: Small studies done during the past decade have demonstrated same-day discharge after appendectomy as an option for non-perforated appendicitis. Here we have examined a large cohort to confirm that same-day discharge in acute non perforated appendicitis is a safe option. STUDY DESIGN: This was a retrospective study of patients from 14 Southern California Region Kaiser Permanente medical centers. All patients older than 18 years of age with acute, non-perforated appendicitis who underwent a laparoscopic appendectomy between 2010 and 2014 were included. We compared patients discharged on the day of surgery with patients hospitalized for 1 night. We examined readmission rates, complication rates, postoperative emergency department visits, postoperative diagnostic or therapeutic radiology visits, reoperations, and cost of treatment. RESULTS: The cohort was composed of 12,703 patients; 6,710 patients were in the same-day discharge group and 5,993 patients were in the hospitalized group. Patients in the same-day discharge group had a lower rate of readmission within 30 days when compared with the hospitalized group (2.2% vs 3.1%; p < 0.005). In both groups, postoperative rates of visits to emergency or radiology department for diagnostic or therapeutic imaging studies were statistically similar. Postoperative general surgery department visits were slightly higher in the hospitalized group (85% vs 81%; p < 0.001). CONCLUSIONS: Adult patients with acute, non-perforated appendicitis can be discharged safely on the day of surgery without higher rates of postoperative complication or readmission rates compared with those hospitalized after surgery. In addition, same-day discharge in this patient group is cost-effective. PMID- 27863890 TI - Normal values of cervical vertebral measurements according to age and sex in CT. AB - INTRODUCTION: Atlantodental interval (ADI), basion-dental interval (BDI) and the thickness of prevertebral soft tissue (TOPST) measured in lateral cervical radiographs were reported to be useful indicators and indirect signs of underlying cervical spine injuries. However, cervical computed tomography (MDCT) is the first method of imaging used in all trauma patients and upper normal limits (UNLs) of cervical distances according to age and sex are undetermined. Therefore, we aimed to calculate these metrics. METHODS: 500 adult trauma patients with cervical MDCT at the time of admission were retrospectively selected. ADI, BDI, and TOPSTs were measured by two blinded researchers. RESULTS: 488 cervical spine CT scans were reported to be normal and 12 has pathological findings. Mean ADI, BDI and TOPST of C1, C2, C6 and C7 were statistically significantly wider in males. In females, ADI and BDI were significantly narrower with the increase in age. In males, only ADI was significantly narrower, and TOPST of C6 and C7 vertebra were significantly wider with the increase in age. We found the optimal UNLs as follows: ADI 2.5mm, BDI 8.5mm, C1 6.5mm, C2 5.7mm, C3 6.3mm (6mm for C1-3 for practical purposes), C4 11.7 and C5-7 17mm. DISCUSSION: We believe that the increase in distances with age may be affected by the height losses of discs and vertebral bodies, formation of anterior osteophytes and regional kyphosis by age. Those results were compatible with the previous reports. PMID- 27863891 TI - Splenic rupture after emesis: A rare finding of generalized abdominal pain. PMID- 27863893 TI - Professor Carlo J. De Luca (1943-2016). PMID- 27863892 TI - Pericarditis mimicking Brugada syndrome. AB - INTRODUCTION: Brugada syndrome (BrS) is a genetic heart disorder due to alteration of the ion channels function that causes an impaired in the cardiac conduction system. It is characterized by an abnormal electrocardiogram pattern and may be complicated by malignant ventricular arrhythmias. Pericarditis is an inflammation of the pericardium and 90% of isolated cases of acute pericarditis are idiopathic or viral. Acute pericarditis may appears with chest pain, fever, pericardial friction rub, and cardiac tamponade. Moreover, widespread ST segment changes occur due to involvement of the underlying epicardium. CASE REPORT: A 27 year-old man was admitted to the Emergency Department of the .... Hospital due to fatigue and chest discomfort. Laboratory findings showed that WBC count and C reactive protein were increased. Echocardiographic finding was normal. The patient was admitted with a diagnosis of pericarditis. Electrocardiogram (ECG) showed a "saddle back"-type ST elevation in leads V2, recognised as type 2 Brugada pattern. The ECG normalized within a few days after the beginning of anti inflammatory therapy and the follow-up was uneventful. Based on findings in our patient and data from literature, we hypothesize that the patient developed a Brugada ECG pattern due the pericarditis. CONCLUSIONS: Our case report shows that the pericarditis may mimic BrS. Moreover, it is important to underline that a Brugada ECG pattern should only be considered as a sign of electrical heart disease but detailed diagnostic tests are anyway needed. PMID- 27863894 TI - Precise measurement of scleral radius using anterior eye profilometry. AB - PURPOSE: To develop a new and precise methodology to measure the scleral radius based on anterior eye surface. METHODS: Eye Surface Profiler (ESP, Eaglet-Eye, Netherlands) was used to acquire the anterior eye surface of 23 emmetropic subjects aged 28.1+/-6.6years (mean+/-standard deviation) ranging from 20 to 45. Scleral radius was obtained based on the approximation of the topographical scleral data to a sphere using least squares fitting and considering the axial length as a reference point. To better understand the role of scleral radius in ocular biometry, measurements of corneal radius, central corneal thickness, anterior chamber depth and white-to-white corneal diameter were acquired with IOLMaster 700 (Carl Zeiss Meditec AG, Jena, Germany). RESULTS: The estimated scleral radius (11.2+/-0.3mm) was shown to be highly precise with a coefficient of variation of 0.4%. A statistically significant correlation between axial length and scleral radius (R2=0.957, p<0.001) was observed. Moreover, corneal radius (R2=0.420, p<0.001), anterior chamber depth (R2=0.141, p=0.039) and white to-white corneal diameter (R2=0.146, p=0.036) have also shown statistically significant correlations with the scleral radius. Lastly, no correlation was observed comparing scleral radius to the central corneal thickness (R2=0.047, p=0.161). CONCLUSIONS: Three-dimensional topography of anterior eye acquired with Eye Surface Profiler together with a given estimate of the axial length, can be used to calculate the scleral radius with high precision. PMID- 27863895 TI - Paraoxonase 1 (Q192R) gene polymorphism, coronary heart disease and the risk of a new acute coronary event. AB - INTRODUCTION: Paraoxonase 1 (PON1) plays a major role in the oxidation of low density lipoprotein and in the prevention of coronary atherogenesis. In this context, coding region polymorphisms of PON1 gene, responsible for the enzyme activity, has become of interest as a marker for atherogenesis. METHODS: A study and follow-up was conducted on 529 patients with an acute coronary event in order to assess the association between the PON1 Q192R (rs662;A/G) polymorphism, the type of acute coronary syndrome, cardiovascular risk factors (arterial hypertension, diabetes mellitus, dyslipidaemia, and smoking), the extent and severity of coronary atherosclerosis, and the medium-term clinical follow-up. RESULTS: The QQ genotype was found in 245 (46.3%) patients, with 218 (41.2%) patients showing the QR genotype, and 66 (14.5%) patients had the RR genotype. No significant differences were found between the QQ and QR/RR genotypes as regards the clinical characteristics, the analytical data, and the angiographic variables. Similarly, Kaplan-Meier survival analysis showed no significant differences in presenting with a new acute coronary event (p=0.598), cardiac mortality (p=0.701), stent thrombosis (p=0.508), or stent re-stenosis (p=0.598) between QQ and QR/RR genotypes during the follow-up period (3.3+/-2.2 years). CONCLUSIONS: In patients with an acute coronary syndrome, the PON1 Q192R genotypes did not influence the risk of suffering a new acute coronary event during the medium-term follow-up. PMID- 27863897 TI - Fishing and the Radiologist. PMID- 27863896 TI - [Chronic kidney disease and dyslipidaemia]. AB - Chronic kidney disease (CKD) has to be considered as a high, or even very high risk cardiovascular risk condition, since it leads to an increase in cardiovascular mortality that continues to increase as the disease progresses. An early diagnosis of CKD is required, together with an adequate identification of the risk factors, in order to slow down its progression to more severe states, prevent complications, and to delay, whenever possible, the need for renal replacement therapy. Dyslipidaemia is a factor of the progression of CKD that increases the risk in developing atherosclerosis and its complications. Its proper control contributes to reducing the elevated cardiovascular morbidity and mortality presented by these patients. In this review, an assessment is made of the lipid-lowering therapeutic measures required to achieve to recommended objectives, by adjusting the treatment to the progression of the disease and to the characteristics of the patient. In CKD, it seems that an early and intensive intervention of the dyslipidaemia is a priority before there is a significant decrease in kidney function. Treatment with statins has been shown to be safe and effective in decreasing LDL-Cholesterol, and in the reduction of cardiovascular events in individuals with CKD, or after renal transplant, although there is less evidence in the case of dialysed patients. PMID- 27863898 TI - Automated 3D Rendering of Ribs in 110 Polytrauma Patients: Strengths and Limitations. AB - RATIONALE AND OBJECTIVES: To evaluate the strengths and limitations of a rib unfolding software in a polytrauma context. MATERIALS AND METHODS: Chest computed tomography (CT) examinations of 110 patients were reviewed for specific detection of rib fractures using: (1) transverse CT sections +/- multiplanar reformattings (ie, the standard of reference), and (2) unfolded rib images reconstructed by the CT Bone Reading software with the possibility of rib analysis along their long axis and creation of standard orthogonal views in different orientations of any area suspected of fracture. RESULTS: The software provided complete reconstruction of the whole rib cage in 94 patients (85.5%) and partially incomplete reconstruction in 16 patients (14.5%). The percentage of ribs inadequately reconstructed was 1.5% (40 of 2640 ribs), mainly related to unfused epiphyses (13 of 40), costal hypoplasia (8 of 40), and vertebral fracture (6 of 40). The sensitivity and specificity in detecting rib fractures at a per-patient, per-rib, and per-costal arc level ranged from 0.73 to 0.84 and 0.99 to 1, respectively. At a costal arc level, the reader's misinterpretations accounted for 67% (4 of 6) of false-positive and 24% (20/84) of false-negative results, and interpretive difficulties were encountered for single-cortex fractures or fractures at the extremities of the costal shaft. CONCLUSIONS: An accurate diagnosis of rib fracture was achieved with the reading of unfolded rib images. In a polytrauma context, the evaluated system could facilitate rib analysis. PMID- 27863899 TI - CT Angiography: Post-processed Contrast Enhancement for Improved Detection of Pulmonary Embolism. AB - RATIONALE AND OBJECTIVES: The study aimed to improve the detection of pulmonary embolism via an iodine contrast enhancement tool in patients who underwent suboptimal enhanced computed tomography angiography (CTA). MATERIALS AND METHODS: We evaluated the CT examinations of 41 patients who underwent CTA for evaluation of the pulmonary arteries which suffered from suboptimal contrast enhancement. The contrast enhancement of the reconstructed images was increased via a post processing tool (vContrast). Image noise and contrast-to-noise ratio (CNR) were assessed in eight different regions: main pulmonary artery, right and left pulmonary arteries, right and left segment arteries, muscle, subcutaneous fat, and bone. For subjective image assessment, three experienced radiologists evaluated the diagnostic quality. RESULTS: While employing the post-processing algorithm, the CNR for contrast-filled lumen and thrombus/muscle improves significantly by a factor of 1.7 (CNR without vContrast = 8.48 +/- 6.79/CNR with vContrast = 14.46 +/- 5.29) (P <0.01). No strengthening of artifacts occurred, and the mean Hounsfield unit values of the muscle, subcutaneous fat, and the bone showed no significant changes. Subjective image analysis illustrated a significant improvement using post-processing for clinically relevant criteria such as diagnostic confidence. CONCLUSIONS: vContrast makes CT angiograms with inadequate contrast applicable for diagnostic evaluation, offering an improved visualization of the pulmonary arteries. In addition, vContrast can help in the significant reduction of the iodine contrast material. PMID- 27863900 TI - Introduction to special issue. PMID- 27863902 TI - Prediction and Prevention of Parasitic Diseases Using a Landscape Genomics Framework. AB - Substantial heterogeneity exists in the dispersal, distribution and transmission of parasitic species. Understanding and predicting how such features are governed by the ecological variation of landscape they inhabit is the central goal of spatial epidemiology. Genetic data can further inform functional connectivity among parasite, host and vector populations in a landscape. Gene flow correlates with the spread of epidemiologically relevant phenotypes among parasite and vector populations (e.g., virulence, drug and pesticide resistance), as well as invasion and re-invasion risk where parasite transmission is absent due to current or past intervention measures. However, the formal integration of spatial and genetic data ('landscape genetics') is scarcely ever applied to parasites. Here, we discuss the specific challenges and practical prospects for the use of landscape genetics and genomics to understand the biology and control of parasitic disease and present a practical framework for doing so. PMID- 27863903 TI - TrypTag.org: A Trypanosome Genome-wide Protein Localisation Resource. PMID- 27863904 TI - Exacerbating factors of itch in atopic dermatitis. AB - Atopic dermatitis (AD) displays different clinical symptoms, progress, and response to treatment during early infancy and after childhood. After the childhood period, itch appears first, followed by formation of well-circumscribed plaque or polymorphous dermatoses at the same site. When accompanied with dermatitis and dry skin, treatment of skin lesions should be prioritized. When itch appears first, disease history, such as causes and time of appearance of itch should be obtained by history taking. In many cases, itch increases in the evening when the sympathetic nerve activity decreased. Treatment is provided considering that hypersensitivity to various external stimulations can cause itch. Heat and sweating are thought to especially exacerbate itch. Factors causing itch, such as cytokines and chemical messengers, also induce itch mainly by stimulating the nerve. Scratching further aggravates dermatitis. Skin hypersensibility, where other non-itch senses, such as pain and heat, are felt as itch, sometimes occurs in AD. Abnormal elongation of the sensory nerve into the epidermis, as well as sensitizing of the peripheral/central nerve, are possible causes of hypersensitivity, leading to itch. To control itch induced by environmental factors such as heat, treatment for dermatitis is given priority. In the background of itch exacerbated by sweating, attention should be given to the negative impact of sweat on skin homeostasis due to 1) leaving excess sweat on the skin, and 2) heat retention due to insufficient sweating. Excess sweat on the skin should be properly wiped off, and dermatitis should be controlled so that appropriate amount of sweat can be produced. Not only stimulation from the skin surface, but also visual and auditory stimulation can induce new itch. This "contagious itch" can be notably observed in patients with AD. This article reviews and introduces causes of aggravation of itch and information regarding how to cope with such causes. PMID- 27863905 TI - Eyes in the Chameleon Vine? PMID- 27863907 TI - Evidence of epigenetic tags in cardiac fibrosis. AB - In cardiac fibrosis, following an injury or a stress, non-functional fibrotic tissue substitutes normal myocardium, thus leading to progressive heart failure. Activated fibroblasts are principal determinants of cardiac fibrosis by producing excessive fibrotic extracellular matrix and causing hypertrophy of cardiomyocytes. Epigenetic changes, such as DNA methylation, histone modifications, and miRNAs have been involved in these mechanisms. Therefore, there is a strong interest in reverting such epigenetic transformations in order to arrest myocardial fibrotic degeneration. Demethylating agents, such as 5-aza 2'-deoxycytidine, 5-azacytidine, some selective histone deacetylase inhibitors, including mocetinostat, trichostatin A, and MPT0E014, have a direct action on important inducers of cardiac fibrosis. Also dietary compounds, such as resveratrol, can suppress the differentiation of fibroblasts to myofibroblasts. Although in vivo and in vitro studies suggest specific epigenetic therapies to treat cardiac fibrosis, the related clinical trials are still lacking. A better understanding of the epigenetic effects of dietary compounds (e.g. curcumin and green tea catechins) on the onset and progression of cardiac fibrosis, will allow the identification of protective dietary patterns and/or the generation of novel potential epidrugs. PMID- 27863906 TI - Post-translational Control of Intracellular Pathogen Sensing Pathways. AB - Mammalian cells recognize virus-derived nucleic acids using a defined set of intracellular sensors including the DNA sensors cyclic GMP-AMP (cGAMP) synthase (cGAS) and interferon gamma (IFNgamma)-inducible protein 16 (IFI16) as well as viral RNA receptors of the retinoic acid-inducible gene I (RIG-I)-like receptor (RLR) family. Following innate immune recognition, these sensors launch an immune response that is characterized by the transcriptional upregulation of many antiviral molecules, including proinflammatory cytokines, chemokines, and IFN stimulated genes. Recent studies have demonstrated that the signal transduction initiated by these sensors is sophisticatedly regulated by post-translational modifications (PTMs) resulting in a robust yet 'tunable' cytokine response to maintain immune homeostasis. Here we summarize recent advances in our understanding of how PTMs and regulatory enzymes control the signaling activity of RLRs, cGAS, and IFI16 as well as their proximal adaptor proteins. PMID- 27863908 TI - Role of echocardiography for catheter-based management of valvular heart disease. AB - Catheter-based treatment of valvular heart disease, such as transvalvular aortic valve replacement (TAVR) or mitral clip procedure, has been increasingly accepted as a treatment choice for the past several years. Such new treatment options have been changing the management of patients with valvular heart disease drastically while socio-economic factors regarding their application need to be taken into consideration. The use of echocardiography, including transesophageal echocardiography (TEE), for such catheter-based treatments is essential for the success of the procedures. Severe hypotension after TAVR is a life-threatening emergency. Rapid assessment and diagnosis in the catheterization or hybrid laboratory is essential for safety and a positive outcome. Possible diagnoses in this critical situation would include severe left ventricular dysfunction due to coronary obstruction, cardiac tamponade, aortic rupture, acute severe aortic and/or mitral valve regurgitation, and hypovolemia due to bleeding. Although new types of TAVR valves reduce para-valvular aortic regurgitation (AR) significantly, it is still important to judge the severity of para-valvular AR correctly in the laboratory. As for mitral clip procedure, TEE is vital for guiding and monitoring the entire process. Accurate identification of the location and the geometry of the regurgitant orifice is necessary for proper placement of the clip. Real-time 3D TEE provides helpful en face view of the mitral valve and clip together to this end. Residual mitral regurgitation (MR) after the first clip is not uncommon. Quick and precise imaging of the residual MR (location and severity) with TEE is extremely important for the interventionist to place the second clip and possibly third clip properly. After the completion of the clip procedure, mitral valve stenosis and also iatrogenic atrial septal defect need to be checked by TEE. Echocardiography, especially TEE, is also vital for the success of other newer trans-catheter procedures such as device closure of para-valvular MR of the artificial valve, valve in valve procedure, and native valve replacement. PMID- 27863909 TI - Low frequency of toothbrushing practices is an independent risk factor for diabetes mellitus in male and dyslipidemia in female: A large-scale, 5-year cohort study in Japan. AB - BACKGROUND: We previously reported the association between toothbrushing practices and diabetes mellitus (DM) and dyslipidemia (DL) in a cross-sectional study. This study was conducted to clarify whether low frequency of toothbrushing practices is an independent risk factor for DM and DL using a follow-up design. METHODS: This study was a 5-year retrospective cohort study at St. Luke's International Hospital, Tokyo, Japan. We analyzed study subjects between 30 and 85 years old in 2004, who underwent annual medical examination both in 2004 and 2009. We compared the cumulative incidences of developing DM, DL, hypertension (HT), and hyperuricemia (HUA) between 2004 and 2009 among 3 groups: toothbrushing practices 'after every meal,' 'at least once a day,' and 'less than once a day'. Furthermore, we analyzed odds ratios (ORs) of risk for developing DM and DL by sex after making adjustments for age, obesity, DM, DL, HT, and HUA between two groups: 'after every meal' and 'not after every meal.' RESULTS: The number of study subjects was 13,070. Of 13,070 study subjects, 575 had DM, 5118 had DL, 2599 had HT, and 1908 had HUA in 2004. We excluded the subjects with each disease in 2004. The cumulative incidences (rates) of DM, DL, HT, and HUA between 2004 and 2009 were 318 (2.5%), 1454 (18.3%), 1108 (10.6%), and 489 (4.4%), respectively. Toothbrushing practices 'not after every meal' was a significant risk factor for developing DM in male [OR: 1.43; 95% confidence interval (CI), 1.040-1.970] and developing DL in female (OR: 1.18; 95% CI, 1.004-1.383) compared with toothbrushing practices 'after every meal.' CONCLUSION: Toothbrushing practices 'after every meal' prevented developing DM in males and DL in females significantly. Toothbrushing practices may be beneficial to reduce developing risk factors for cardiovascular disease. PMID- 27863901 TI - A systematic review of the literature on disorders of sleep and wakefulness in Parkinson's disease from 2005 to 2015. AB - Sleep disorders are among the most common non-motor manifestations in Parkinson's disease (PD) and have a significant negative impact on quality of life. While sleep disorders in PD share most characteristics with those that occur in the general population, there are several considerations specific to this patient population regarding diagnosis, management, and implications. The available research on these disorders is expanding rapidly, but many questions remain unanswered. We thus conducted a systematic review of the literature published from 2005 to 2015 on the following disorders of sleep and wakefulness in PD: REM sleep behavior disorder, insomnia, nocturia, restless legs syndrome and periodic limb movements, sleep disordered breathing, excessive daytime sleepiness, and circadian rhythm disorders. We discuss the epidemiology, etiology, clinical implications, associated features, evaluation measures, and management of these disorders. The influence on sleep of medications used in the treatment of motor and non-motor symptoms of PD is detailed. Additionally, we suggest areas in need of further research. PMID- 27863910 TI - Gabor frames for classification of paroxysmal and persistent atrial fibrillation episodes. AB - In this study, we propose a new classification method for early differentiation of paroxysmal and persistent atrial fibrillation episodes, i.e. those which spontaneously or with external intervention will return to sinus rhythm within 7 days of onset from the ones where the arrhythmia is sustained for more than 7 days. Today, clinicians provide patients classification once the course of the arrhythmia has been disclosed. This classification problem is dealt with in this study. We study a sparse representation of surface electrocardiogram signals by means of Gabor frames and afterwards we apply a linear discriminant analysis. Thus, we provide an early discrimination, obtaining promising performances on a heterogeneous cohort of patients in terms of pharmacological treatment and state of progression of the arrhythmia: 95% sensitivity, 82% specificity, 89% accuracy. In this manner, the proposed method can help clinicians to choose the most appropriate treatment using the electrocardiogram, which is a widely available and non-invasive technique. This early differentiation is clinically highly significant in order to choose optimal patients who may undergo catheter ablation with higher success rates. PMID- 27863911 TI - Crizotinib for ROS1 patients: One small step in biomarker testing, one giant leap for advanced NSCLC patients. PMID- 27863912 TI - Concerns About the "Methods" Sections of Reviewed Papers. PMID- 27863913 TI - Commentary on "Randomised Controlled Trial: Potential Benefit of a Footplate Neuromuscular Electrical Stimulation Device in Patients with Chronic Venous Disease". PMID- 27863914 TI - Cultural aspects and mythologies surrounding menstruation and abnormal uterine bleeding. AB - The objective of this chapter is to present an overview of how menstruation, a normal bodily function, was and is perceived in various ethnic groups and cultures in the world, from ancient mythology, historical, or traditional practices to contemporary belief systems. Mythical tales about menstruation abound in the legends and prehistory of ancient cultures. These tales characterize menstrual blood variously as sacred, a gift from the gods, or a punishment for sin, but it is almost always magical and powerful. In contrast, most world religions view menstruation, with varying degrees of severity, as a major problem, a sign of impurity and uncleanliness, and therefore, menstruating women are isolated, prohibited from polluting the holy places, and shunned. Many of these myths and cultural misperceptions persist to the present day, reflected in a wide range of negative attitudes toward menstruation, which can have serious and direct implications for reproductive health. In view of the increasingly globalized nature of current clinical practice, it is crucial that health care providers are familiar with existing cultural and social views and attitudes toward the menstrual function. The ultimate goal is to be able to provide women culturally sensitive and medically appropriate therapies for their menstrual disorders. This biocultural approach to menstruation management is desirable in contemporary medical practice. PMID- 27863915 TI - Prenatal ultrasound monitoring of homozygous alpha0-thalassemia-induced fetal anemia. AB - A noninvasive approach by serial ultrasound examination at 12-15, 18, and 30 weeks of gestation can be used to exclude homozygous alpha0-thalassemia-induced fetal anemia. At 12-15 weeks of gestation, the predictive values for the fetal cardio-thoracic ratio were better than that for the placental thickness. At 16-20 weeks of gestation, measuring middle cerebral artery peak systolic velocity is associated with a low false-positive rate. However, the false-positive rate of this noninvasive approach can be about 3%, requiring an invasive test to confirm the diagnosis. A false-negative may result in a delay in diagnosis. The success of this noninvasive approach depends on an accurate measurement of the fetal cardiothoracic ratio which can be improved by adequate training and subsequent quality control. Currently, there is a lack of data reporting the performance of a noninvasive approach before 12 weeks of gestation. PMID- 27863916 TI - Structure-activity relationship study towards non-peptidic positron emission tomography (PET) radiotracer for gastrin releasing peptide receptors: Development of [18F] (S)-3-(1H-indol-3-yl)-N-[1-[5-(2-fluoroethoxy)pyridin-2 yl]cyclohexylmethyl]-2-methyl-2-[3-(4-nitrophenyl)ureido]propionamide. AB - Gastrin-releasing peptide receptors (GRP-Rs, also known as bombesin 2 receptors) are overexpressed in a variety of human cancers, including prostate cancer, and therefore they represent a promising target for in vivo imaging of tumors using positron emission tomography (PET). Structural modifications of the non-peptidic GRP-R antagonist PD-176252 ((S)-1a) led to the identification of the fluorinated analog (S)-3-(1H-indol-3-yl)-N-[1-[5-(2-fluoroethoxy)pyridin-2 yl]cyclohexylmethyl]-2-methyl-2-[3-(4-nitrophenyl)ureido]propionamide ((S)-1m) that showed high affinity and antagonistic properties for GRP-R. This antagonist was stable in rat plasma and towards microsomal oxidative metabolism in vitro. (S)-1m was successfully radiolabeled with fluorine-18 through a conventional radiochemistry procedure. [18F](S)-1m showed high affinity and displaceable interaction for GRP-Rs in PC3 cells in vitro. PMID- 27863917 TI - Pelvic fracture in multiple trauma: A 67-case series. AB - INTRODUCTION: Severe pelvic trauma remains associated with elevated mortality, largely due to hemorrhagic shock. OBJECTIVE: The main study objective was to test for correlation between fracture type and mortality. The secondary objective was to assess the efficacy in terms of mortality of multidisciplinary management following a decision-tree in multiple trauma victims admitted to a level 1 trauma center. MATERIAL AND METHODS: Between July 2011 and July 2013, 534 severe trauma patients were included in a single-center continuous prospective observational study. All patients with hemorrhagic shock received early treatment by pelvic binder. Patients with active bleeding on full-body CT or persisting hemorrhagic shock underwent arteriography with or without embolization. Pelvic trauma was graded on the Tile classification. The principle end-point was mortality. RESULTS: Median age was 40 years (range, 26-48 years), with a 79% male/female sex ratio. Thirty-two of the 67 patients with pelvic trauma (48%) were in hemorrhagic shock at admission. Median injury severity score (ISS) was 36 (range, 24-43). On the Tile classification, 22 patients (33%) were grade A, 33 (49%) grade B and 12 (18%) grade C. Overall mortality was 19%, and 42% in case of hemorrhagic shock. Mortality was significantly higher with Tile C than A or B (58% vs. 9.1% and 12.1%, respectively; P=0.001). CONCLUSION: Vertical shear fracture (Tile C) was associated with greater mortality from hemorrhagic shock. LEVEL OF EVIDENCE: IV, case series. PMID- 27863918 TI - Discontinuation of Plavix(r) (clopidogrel) for hip fracture surgery. A systematic review of the literature. AB - : The elderly population is increasing worldwide, associated with an increase in diseases related to aging, such as hip fractures. These patients are sometimes treated with clopidogrel. There are no arguments at present to clearly determine the risk/benefit ratio of early surgical management of traumatic hip fractures in patients treated with clopidogrel (perioperative blood loss, postoperative complications). The goal of this systematic review of the literature was to show that early surgical management (<48h) of patients treated with clopidogrel does not increase postoperative morbidity or mortality. Systematic review of the literature: level of evidence IV. A bibliographic search was performed in July 2015 in PubMed, Embase and Cochrane databases using the MeSh keywords "Clopidogrel or Plavix(r)" AND "hip fracture". Two of the authors analyzed 48 articles based on the title and abstract. Twenty-one articles were selected and read completely with an analysis of the references. Nine articles were chosen. Early surgical management (<48h) of patients receiving clopidogrel did not increase mortality at 30days, 3months or 1 year (between 25 and 30% mortality at 1 year) and did not result in an increase in perioperative bleeding. The risk/benefit ratio of early surgical management of patients with hip fractures receiving clopidogrel is good; morbidity and mortality are not increased in these patients if surgery is performed immediately or less than 48h after admission. LEVEL OF EVIDENCE: IV. PMID- 27863919 TI - Direct lateral vs posterolateral approach to hemiarthroplasty for femoral neck fractures. AB - INTRODUCTION: Adopting the direct lateral (DL) instead of the posterolateral (PL) approach in hip arthroplasty for femoral neck fracture (FNF) patients could lower the rate of prosthetic dislocation. However, little is known about how the approach influences the functional outcome. HYPOTHESIS: We hypothesized that both approaches would give comparable results. MATERIAL AND METHODS: In a prospective cohort study, we enrolled 185 hips (183 patients, 128 women, median age 84 years) with a displaced FNF. Subjects were assigned to treatment using DL (n=102) or PL approach (n=83) with a hemiarthroplasty (HA). Functional outcome was assessed by Harris Hip Score (HHS), Western Ontario and McMaster Universities Arthritis (WOMAC) index, pain numeric rating scale (PNRS) for pain, mortality and hip complications. Patients were followed-up after 1 year. RESULTS: The HHS was 71 (SD 18) in the DL group and 72 (SD 17) in the PL group (P=0.59). We found no difference in WOMAC, PNRS and mortality. Seven patients (6.9%) in the DL group and 11 patients (13.3%) in the PL group had undergone a major reoperation (adjusted OR 0.51; 95% CI, 0.18-2.07; P=0.23). DISCUSSION: In this prospective cohort study, patients treated with HA for FNF using either the DL or PL approaches had comparable functional outcome after 1 year. The PL approach had a tendency towards a higher reoperation rate. TYPE OF STUDY: Prospective cohort study. LEVEL OF PROOF: Level 2. PMID- 27863920 TI - Haplotype data for 17 Y-STR loci in the population of Madhya Pradesh, India. PMID- 27863921 TI - Unhealthy Weight Management Practices and Non-medical Use of Prescription Drugs. AB - INTRODUCTION: Non-medical use of prescription drugs (NMUPD) has reached epidemic proportions in the U.S. With approximately one in five high school students engaging in NMUPD, it is important to understand behavioral correlates. METHODS: Data were combined from the 2011 and 2013 cycles of the Youth Risk Behavior Survey, a nationally representative, cross-sectional survey. After restricting the analytic sample to students who reported a weight loss goal of either staying the same weight or losing weight, logistic regression models were used to estimate adjusted prevalence ratios and 95% CIs for associations between unhealthy weight management practices (UWMPs) and lifetime NMUPD. Individual UWMPs-fasting; taking diet pills, powders, or liquids without a doctor's advice; and vomiting or taking laxatives-and total number of UWMPs were examined. Data were analyzed in 2016. RESULTS: UWMPs were more prevalent among female students (21.1% vs 10.7% for fasting; 7.5% vs 5.2% for taking diet pills, powders, or liquids; and 7.6% vs 3.2% for vomiting or taking laxatives). Significant associations between individual UWMPs and NMUPD and between the number of UWMPs and NMUPD were observed. DISCUSSION: UWMPs were associated with NMUPD. Health educators in the school setting, as well as other health professionals who provide services to an adolescent population, can focus on healthy weight management strategies, and other substance-specific messages. CONCLUSIONS: The association between UWMPs and NMUPD may reflect a constellation of problem behaviors exhibited among some adolescents. PMID- 27863922 TI - Dual energy CT to reveal pseudo leakage of frozen elephant trunk. PMID- 27863923 TI - Pretreatment Red Blood Cell Total Folate Concentration Is Associated With Response to Pemetrexed in Stage IV Nonsquamous Non-Small-cell Lung Cancer. AB - INTRODUCTION: Pemetrexed inhibits folate-dependent enzymes involved in pyrimidine and purine synthesis. Previous studies of genetic variation in these enzymes as predictors of pemetrexed efficacy have yielded inconsistent results. We investigated whether red blood cell (RBC) total folate, a phenotypic rather than genotypic, marker of cellular folate status was associated with the response to pemetrexed-based chemotherapy in advanced nonsquamous non-small-cell lung cancer (NSCLC). MATERIALS AND METHODS: We conducted a prospective cohort study of patients with stage IV nonsquamous NSCLC receiving first-line chemotherapy containing pemetrexed. The pretreatment RBC total folate level was quantified using liquid chromatography mass spectrometry. We then compared the objective response rate (ORR) between patients with RBC total folate concentrations greater than and less than an optimal cutoff value determined from the receiver operating characteristic curve. A logistic regression model was used to adjust for age, sex, and the use of bevacizumab. RESULTS: The ORR was 62% (32 of 52 patients). Receiver operating characteristic analysis was used to establish that a RBC total folate cutoff value of 364.6 nM optimally discriminated between pemetrexed responders and nonresponders. Patients with RBC total folate < 364.5 nM had an ORR of 27% compared with 71% for patients with RBC total folate > 364.5 nM (P = .01). This difference persisted after adjusting for age, sex, and the use of bevacizumab (odds ratio, 0.07; 95% confidence interval, 0.01-0.57; P = .01). CONCLUSION: A low pretreatment RBC total folate was associated with an inferior response to pemetrexed-based chemotherapy in stage IV nonsquamous NSCLC. Larger, multicenter studies are needed to validate RBC total folate as a predictive marker of pemetrexed response. PMID- 27863924 TI - Successful Use of Afatinib After Erlotinib-induced Pneumonitis in a Patient With Epidermal Growth Factor Receptor-mutant Lung Cancer. PMID- 27863925 TI - Number and function of circulating endothelial progenitor cells in patients with primary Budd-Chiari syndrome. AB - BACKGROUND AND AIM: Primary Budd-Chiari syndrome (BCS) is associated with vascular endothelial injury. Circulating endothelial progenitor cells (EPCs) provide an endogenous mechanism to repair endothelial injury. This study investigated the levels and functionality of EPCs in patients with primary BCS. METHODS: EPCs (CD34+/CD133+/KDR+) were quantified in 82 patients with primary BCS (inferior vena cava type: n=19; hepatic vein type: n=22; and mixed type: n=41), 10 cirrhosis controls (CC group) and 10 age-matched healthy controls (HC group), using flow cytometry. EPCs proliferation was detected by MTT assay, adhesion by adhesion activity assay, and migration capacity by Transwell assay. RESULTS: EPCs levels were significantly lower in the BCS group (0.020+/-0.005%) than in the CC and HC groups (0.260+/-0.201%, 0.038+/-0.007%; P<0.001 for each). EPCs cultured in vitro from BCS and CC groups had, respectively, lower proliferation activity (0.20+/-0.04, 0.23+/-0.06 vs 0.58+/-0.07, each P<0.001), adhesion activity (15.8+/-1.7, 18.2+/-4.3 vs 35.0+/-2.5 cells/random microscopic field (RMF), each P<0.001) and migration activity (16.1+/-1.5, 16.7+/-3.0 vs 23.9+/-2.0 cells/RMF, each P<0.001) than in the HC group. EPCs functionality did not significantly differ between the BCS and CC groups. The numbers and functions of EPCs did not significantly differ among patients with inferior vena cava type, hepatic vein type and mixed type of BCS. CONCLUSION: Patients with primary BCS had lower EPCs levels, with less proliferation, adhesion and migration activities. These findings suggest that lower levels of less functional EPCs may be associated with venous occlusion in primary BCS patients. PMID- 27863926 TI - Combination of temsirolimus and adriamycin exhibits an enhanced antitumor effect in hepatocellular carcinoma. AB - OBJECTIVE: The oncogenic PI3K/Akt/mTOR pathway is frequently activated in hepatocellular carcinoma (HCC). The aim of this study is to investigate the anti HCC effect of combination of temsirolimus, an mTOR inhibitor, and adriamycin, a routinely used drug for treating HCC. METHODS AND MATERIALS: Proliferation of HCC cells exposure to temsirolimus, adriamycin, and their combination was determined using MTT assay in vitro as well as in a nude mice model in vivo. Cell apoptosis was examined using flow cytometry. Expressions of apoptosis-related proteins including caspase-9, -3, PARP, Bax, and Bcl-2 were determined using Western blotting. RESULTS: Temsirolimus plus adriamycin showed an enhanced inhibitory effect on cell proliferation compared to temsirolimus or adriamycin in HCC cells PLC/PRF/5, BEL7402, and HuH7 in vitro. The drug combination solicited a higher percentage of apoptosis cells and induced higher levels of cleaved caspase-9, -3, and PARP than temsirolimus or adriamycin used alone. The ratio of Bax/Bcl-2 was increased in cells exposed to the combination treatment. The enhanced anti-tumor effect of this drug combination was verified in a nude mice model. We also observed that half doses of temsirolimus and adriamycin used in combination achieved a comparable tumor growth inhibitor rate with full dose of temsirolimus or adriamycin used alone. CONCLUSION: Temsirolimus plus adriamycin exhibited an enhanced antitumor effect in HCC and this drug combination might have a potential value in treatment of HCC. Studies are warranted to comprehensively evaluate the efficacy and safety of this regimen in the future. PMID- 27863927 TI - Concomitant injury of the annular ligament in fractures of the coronoid process and the supinator crest. AB - BACKGROUND: Fractures of the coronoid process or the supinator crest, as well as arthroscopic resection of osteophytes around the coronoid process, can endanger the attachment of the annular ligament (AL) to the proximal ulna. The purpose of this study was to investigate the corresponding insertional areas of the AL within this context. METHODS: In 30 embalmed human cadaveric elbow specimens, the insertional area of the AL at the anterior and posterior margin of the sigmoid notch was characterized. The distances and relations of the AL insertion anteriorly to the coronoid surface, the coronoid tip, and the depth of the coronoid process, as well as posteriorly to the supinator crest, were evaluated macroscopically. RESULTS: The mean distance of the anterior insertion area was 1.9 +/- 0.6 mm (range, 1.0-3.1 mm) to the coronoid articular surface and 6.2 +/- 1.7 mm (range, 2.9-10.2 mm) to the tip of the coronoid. The distance of the anterior insertion in relation to the depth of the coronoid process was 44% +/- 11% (range, 30%-69%). The distance of the posterior insertion area to the level of the sigmoid notch measured from 3.5 +/- 1.5 mm (range, 0.5-6.5 mm) to 17.7 +/- 2.9 mm (range, 13.1-25.4 mm). CONCLUSIONS: Coronoid fractures involving 44% or more of the coronoid process and anterolaterally oriented fractures where one third of the anterolateral facet is affected are accompanied by a complete anterior bony disruption of the AL. Arthroscopic resection of the coronoid tip should be limited to 1 mm distal to the coronoid articular surface to avoid injury to the AL. Fractures of the upper half of the supinator crest place the AL at risk at its posterior insertion. PMID- 27863928 TI - A scoping review of the role of LEGO(r) therapy for improving inclusion and social skills among children and youth with autism. AB - BACKGROUND: LEGO(r) therapy uses children's natural interest in play to help motivate behavioural change and may be an effective teaching tool to increase social competency and communication skills. Although the literature is growing it has not been synthesized. OBJECTIVES: To review the literature on the role of LEGO(r) therapy on social skills and inclusion among children and youth with Autism Spectrum Disorder (ASD). METHODS: A scoping review was conducted, involving comprehensive searches of international databases. Eligible articles included: (a) youth aged 19 or younger, with ASD; (b) empirical research on LEGO(r) therapy interventions; (c) published from 1996 to 2016 in a peer-reviewed journal, conference proceedings, or dissertation. RESULTS: Of the 6964 studies identified, 15 articles-involving 293 participants, aged 5-16 (mean age 8.7 years), across five countries-met the inclusion criteria. Although the outcomes of the LEGO(r) therapy varied across the studies, 14 studies reported at least one improvement in social and communication skills (e.g., building friendships, improved social interactions and social competence), ASD-specific behaviors, belonging, family relationships, coping, and reductions in playing alone. CONCLUSIONS: Although LEGO(r) therapy shows promise as an intervention for children and youth with ASD, more rigorously designed studies are needed to fully understand its impact. PMID- 27863930 TI - [An atypical presentation of human brucellosis]. PMID- 27863929 TI - Global Trends in Adolescent Fertility, 1990-2012, in Relation to National Wealth, Income Inequalities, and Educational Expenditures. AB - PURPOSE: National wealth, income inequalities, and expenditures on education can profoundly influence the health of a nation's women, children, and adolescents. We explored the association of trends in national socioeconomic status (SES) indicators with trends in adolescent birth rates (ABRs), by nation and region. METHODS: An ecologic research design was employed using national-level data from the World Bank on birth rates per 1,000 women aged 15-19 years, national wealth (per capita gross domestic product or GDP), income inequality (Gini index), and expenditures on education as a percentage of GDP (EduExp). Data were available for 142 countries and seven regions for 1990-2012. Multiple linear regression for repeated measures with generalized estimating equations was used to examine independent associations. RESULTS: ABRs in 2012 varied >200-fold-with the highest rates in Sub-Saharan Africa and lowest rates in the Western Europe/Central Asia region. The median national ABR fell 40% from 72.4/1,000 in 1990 to 43.6/1,000 in 2012. The largest regional declines in ABR occurred in South Asia (70%), Europe/Central Asia (63%), and the Middle East/North Africa (53%)-regions with lower income inequality. In multivariable analyses considering change over time, ABRs were negatively associated with GDP and EduExp and positively associated with greater income inequality. CONCLUSIONS: ABRs have declined globally since 1990. Declines closely followed rising socioeconomic status and were greater where income inequalities were lower in 1990. Reducing poverty and income inequalities and increasing investments in education should be essential components of national policies to prevent adolescent childbearing. PMID- 27863932 TI - Late-onset folie a deux in monozygotic twins. PMID- 27863933 TI - Lifestyle factors may be linked to symptoms of metabolic syndrome in people at risk for psychosis. PMID- 27863931 TI - The Multibiome: The Intestinal Ecosystem's Influence on Immune Homeostasis, Health, and Disease. AB - Mammalian evolution has occurred in the presence of mutualistic, commensal, and pathogenic micro- and macro-organisms for millennia. The presence of these organisms during mammalian evolution has allowed for intimate crosstalk between these colonizing species and the host immune system. In this review, we introduce the concept of the 'multibiome' to holistically refer to the biodiverse collection of bacteria, viruses, fungi and multicellular helminthic worms colonizing the mammalian intestine. Furthermore, we discuss new insights into multibiome-host interactions in the context of host-protective immunity and immune-mediated diseases, including inflammatory bowel disease and multiple sclerosis. Finally, we provide reasons to account for the multibiome in experimental design, analysis and in therapeutic applications. PMID- 27863934 TI - Child death and maternal psychosis-like experiences in 44 low- and middle-income countries: The role of depression. AB - BACKGROUND: Studies on the effect of child death on the mental wellbeing of women in low- and middle-income countries (LMICs) are scarce despite the high child mortality rates. Thus, the aim of the current study was to assess the association between child death and psychosis-like experiences (PLEs), as well as the role of depression in this association. METHODS: Data from 44 LMICs which participated in the World Health Survey (WHS) were analyzed. A total of 59,444 women who ever gave birth, aged 18-49years, without a self-reported lifetime psychosis diagnosis, were included in the analysis. The World Mental Health Survey version of the Composite International Diagnostic Interview (CIDI) was used to establish the diagnosis of past 12-month DSM-IV depression, and assess four positive psychotic symptoms. Depression was defined as self-reported lifetime depression diagnosis and/or past 12-month depression. Multivariable logistic regression analyses were performed. RESULTS: After adjustment for potential confounders, women who experienced child death had higher odds for all types of PLEs (when unadjusted for depression) (OR 1.20-1.71; p<0.05) and depression (OR=1.64; 95%CI=1.39-1.93). When adjusted for depression, only delusion of control was strongly associated with child death (OR=1.54; 95%CI=1.20-1.97). CONCLUSIONS: Child death may be an important determinant of mental wellbeing among women in LMICs. Given the known adverse health outcomes associated with PLEs and depression, as well as the co-occurrence of these symptoms, mental health care may be particularly important for mothers who have experienced child loss in LMICs. PMID- 27863936 TI - Measurements of time intervals after in-hospital cardiac arrest give important information but can be further improved. PMID- 27863935 TI - Association of sFlt-1 and worsening psychopathology in relatives at high risk for psychosis: A longitudinal study. AB - BACKGROUND: Angiogenic dysfunction and abnormalities in psychopathology and brain structure have been reported in schizophrenia, but their relationships are mostly unknown. We recently demonstrated that sFlt-1, anti-angiogenic factor, was significantly elevated in patients at familial high-risk for psychosis (FHR). We hypothesized that elevated sFlt-1 correlates with baseline and longitudinal changes in psychopathology, cognition, and brain structure. METHODS: Plasma sFlt 1 in FHR (n=35) and HC (n=39) was obtained at baseline. Schizotypal, cognitive, soft neurologic signs, and structural brain imaging (1.5T T1-weighted MRI, FreeSurfer software) measures were obtained in both groups. Longitudinal clinical and brain structural measures were obtained in a subgroup of FHR patients. Baseline data analysis used correlations between sFlt-1 and clinical/imaging measures and adjusted for multiple corrections. Linear mixed-effects models described differences in trajectories between high sFlt-1 and low sFlt-1. RESULTS: Baseline sFlt-1 was significantly correlated with soft neurologic signs (r=0.27, p=0.02) and right entorhinal volume (r=0.50, p=0.02), but not other baseline clinical/brain structural measures. Longitudinal examination of the FHR group (sFlt-1 high, n=14; sFlt-1 low, n=14) demonstrated that high sFlt-1 was significantly associated with worsening schizotypal symptoms (t=2.4, p=0.018). Reduced right hippocampal/parahippocampal volume/thickness trajectories were observed in high versus low sFlt-1 groups. CONCLUSIONS: The findings from this FHR study demonstrate that peripheral markers of angiogenic dysfunction can predict longitudinal clinical and brain structural changes. Also, these findings further support the hypothesis of altered microvascular circulation in schizophrenia and those at risk. PMID- 27863937 TI - Corrigendum to "Clinical Experience of Contrast Venography Guided Axillary Vein Puncture in Biventricular Pacing" [Int. J. Cardiol. 92 (2003) 55-58]. PMID- 27863938 TI - Corrigendum to "One-quarter standard-dose ticagrelor better than standard-dose clopidogrel in Chinese patients with stable coronary artery disease: A randomized, single-blind, crossover clinical study" [Int. J. Cardiol. 215 (2016) 209-213]. PMID- 27863939 TI - All cause mortality and body mass index in a young Asian occupational cohort without baseline metabolic syndrome components: Methodological issues. PMID- 27863940 TI - Acute fluoride poisoning alters myocardial cytoskeletal and AMPK signaling proteins in rats. AB - BACKGROUND: Our previous findings revealed that increased oxidative stress, apoptosis and necrosis were implicated in acute fluoride (F-) induced cardiac dysfunction apart from hypocalcemia and hyperkalemia. Cardiac intermediate filaments (desmin and vimentin) and cytoskeleton linker molecule vinculin plays an imperative role in maintaining the architecture of cardiac cytoskeleton. In addition, AMPK is a stress activated kinase that regulates the energy homeostasis during stressed state. The present study was aimed to examine the role of cytoskeletal proteins and AMPK signaling molecules in acute F- induced cardiotoxicity in rats. METHODS: In order to study this, male Wistar rats were treated with single oral doses of 45 and 90mg/kgF- for 24h. RESULTS: Acute F- intoxicated rats showed declined cytoskeletal protein expression of desmin, vimentin and vinculin in a dose dependent manner compared to control. A significant increase in phosphorylation of AMPKalpha (Thr172), AMPKbeta1 (Ser108) and Acetyl-coA carboxylase (ACC) (Ser79) in the myocardium and associated ATP deprivation were found in acute F- intoxicated rats. Further, ultra-structural studies confirmed myofibril lysis with interruption of Z lines, dilated sarcoplasmic reticulum and damaged mitochondrion were observed in both the groups of F- intoxicated rats. CONCLUSION: Taken together, these findings reveal that acute F- exposure causes sudden heart failure by altering the expression of cytoskeletal proteins and AMPK signaling molecules. PMID- 27863941 TI - The l-arginine/NO pathway in the MELAS syndrome: An insufficiently explored and controversial research area. PMID- 27863942 TI - What is really meant by "complete mesocolic excision?" PMID- 27863943 TI - Surgical management of chronic mesh infection following incisional hernia repair. PMID- 27863944 TI - How to introduce a program of Enhanced Recovery after Surgery? The experience of the CAPIO group. AB - The traditional model of hospital care has been challenged by the development of a care-management process that allows early patient autonomy (outpatient surgery, Enhanced Recovery after Surgery). Hospitalization has been transformed in response to this development, based on innovative medical and organizational strategies. Within a surgical service, the deployment of these processes requires the creation of a support structure, with re-organization of existing structures, analysis of potential obstacles, implementation of management tools, and ongoing follow-up of organizational function, clinical results, organizational and patient satisfaction. These will ultimately assess adaptation of structures within these new organizations. In this article, we share our insights based on experience gained over the past six years by surgical teams of the CAPIO group. PMID- 27863945 TI - Intussuscepted pancreatico-gastric anastomosis: A reproducible technique. PMID- 27863946 TI - Should CT scan be performed when CRP is elevated after colorectal surgery? Results from the inflammatory markers after colorectal surgery study. AB - INTRODUCTION: Serum concentration of C-reactive protein (CRP) that exceeds a pre defined threshold between the 3rd and 5th postoperative day is a reliable marker of infectious complications after colorectal surgery. However, the optimal strategy to follow when a high CRP is found has not been defined. The aim of this study was to analyze the usefulness of computed tomography (CT) scan in this situation in a prospective cohort of patients following colorectal surgery. METHODS: Between November 2011 and April 2015, patients at two surgical centers who had undergone elective colorectal resection with anastomosis and who had a CRP>12.5mg/dL on the 4th postoperative day (POD) were prospectively included in a database. Data were collected concerning all complications occurring during the 30days following surgery, method of diagnosis, management and clinical course. The decision to perform a CT scan between POD 4 and POD 6 day was guided only by the elevation of CRP in the absence of any other clinical signs; results were analyzed to evaluate the diagnostic value of elevated CRP. Uni- and multivariable analyses were performed to identify risk factors for postoperative infection. RESULTS: The study included a total of 174 patients: 56 (32.1%) had a CT between POD 4 and 6, and this helped detect a postoperative complication in 55.4% of cases. Patients who did not undergo CT had lower CRP values (16.3 vs. 18.5, P=0.02). Among the 118 patients who did not undergo CT, 50.8% eventually developed an infectious complication. The sensitivity of CRP-guided CT was 76.7% with a negative predictive value of 78.8%. CONCLUSION: If an elevated CRP is found on POD 4, an abdominopelvic CT should be performed. A normal result does not formally eliminate the existence of intra-abdominal complication. A study protocol should be set up to evaluate whether systematic revisional surgery or repeat CT scan is the appropriate management if CRP in the next two days reveals persistent inflammation. PMID- 27863947 TI - The effects of low-dose radiotherapy on fresh osteochondral allografts: An experimental study in rabbits. AB - OBJECTIVE: The aim of this study was to investigate the effects of low-dose fractionated radiotherapy on cartilage degeneration after distal femoral fresh massive osteochondral allograft transplantation. METHODS: Twenty-four New Zealand White rabbits were divided into three groups of 8 rabbits each. All rabbits underwent distal femoral medial condyle fresh massive osteochondral allograft transplantation from California rabbits. The group 1 underwent transplantation without any preliminary process. The group 2 underwent fractionated local radiotherapy of 100 cGy for five days starting on the transplantation day. The group 3 included the rabbits to which the grafts transplanted after radiating in vitro by a single dose radiation of 1500 cGy. The hosts were sacrificed twelve weeks later. Anteroposterior and lateral radiographs were taken. Synovial tissue, cartilaginous tissue, and subchondral bone were assessed histopathologically. RESULTS: Nonunion was present in three cases of group 2 and one of group 3 in which cartilage degeneration was more severe. Synovial hypertrophy and pannus formation were more obvious in non-radiated rabbits. Hypocellularity and necrosis of the subchondral bone were rare in group 2. More cartilage tissue impairment was present in group 3 compared to group 1. CONCLUSION: In osteochondral massive allograft transplantations, the immune reaction of the host could be precluded with radiotherapy, and the side-effects can be prevented by low-dose fractionated regimen. The total dose of fractionated radiotherapy for an immune suppression should be adjusted not to damage the cartilage tissue, but to avoid articular degeneration in the long term. PMID- 27863948 TI - Tree-structured survival analysis of patients with Pseudomonas aeruginosa bacteremia: A multicenter observational cohort study. AB - This study aimed to construct a prediction algorithm, which is readily applicable in the clinical setting, to determine the mortality rate for patients with P. aeruginosa bacteremia. A multicenter observational cohort study was performed retrospectively in seven university-affiliated hospitals in Korea from March 2012 to February 2015. In total, 264 adult patients with monomicrobial P. aeruginosa bacteremia were included in the analyses. Among the predictors independently associated with 30-day mortality in the Cox regression model, Pitt bacteremia score >2 and high-risk source of bacteremia were identified as critical nodes in the tree-structured survival analysis. Particularly, the empirical combination therapy was not associated with any survival benefit in the Cox regression model compared to the empirical monotherapy. This study suggests that determining the infection source and evaluating the clinical severity are critical to predict the clinical outcome in patients with P. aeruginosa bacteremia. PMID- 27863949 TI - Imipenem-avibactam: a novel combination for the rapid detection of carbapenemase activity in Enterobacteriaceae and Acinetobacter baumannii by matrix-assisted laser desorption ionization-time of flight mass spectrometry. AB - In the present study, we propose a novel matrix-assisted laser desorption ionization-time of flight mass spectrometry (MALDI-TOF MS)-based method for detecting carbapenemase-producing Enterobacteriaceae and Acinetobacter baumannii. For this, we analyzed a series of 131 isolates. Among them, a total of 115 Enterobacteriaceae: 79 of them carrying a carbapenemase enzyme (15blaKPC, 7blaNDM, 11blaIMP, 12blaVIM, and 34blaOXA-48) and 16 A. baumannii isolates: 15 of them carrying carbapenemases (10blaOXA-23, 2blaOXA-58, 2blaOXA-24, and 1blaOXA 237). The rest of the isolates were noncarbapenemase producers and used as negative controls. The isolates were submitted to susceptibility testing using a combination of imipenem-avibactam and analysis by the MALDI-TOF Biotyper Compass software (Bruker Daltonik, Germany). The assay showed an overall sensitivity and specificity for carbapenemase detection of 98% and 100%, respectively. The combination of imipenem and avibactam displayed activity against KPC and OXA-48 producing Enterobacteriaceae and thus represents a new strategy for identifying and confirming these carbapenemases. However, the combination did not provide any benefit over A. baumannii. PMID- 27863950 TI - Evaluation of the SHIGA TOXIN QUIK CHEK and ImmunoCard STAT! EHEC as screening tools for the detection of Shiga toxin in fecal specimens. AB - In this study we evaluated the performance of the SHIGA TOXIN QUIK CHEK (Techlab(r), Blacksburg, VA) and the ImmunoCard STAT! Enterohaemorrhagic E. coli (EHEC) (Meridian BioScience, Cincinnati, OH, USA) assays as methods for qualitatively detecting the presence of Shiga toxin in human fecal specimens. A multiplex PCR for the detection of stx1 and stx2 was used as the standard for comparison. The SHIGA TOXIN QUIK CHEK detected all known Shiga toxin subtypes with the exception of Stx2f, while the ImmunoCard STAT! EHEC was unable to identify four of the seven Stx2 subtypes, including Stx2b and Stx2d. When compared to multiplex PCR based on Shiga toxin gene presence alone both assays demonstrated 100% specificity, and gave sensitivity values of 50.0% and 41.2% respectively. Correlation between each assay and the multiplex PCR was calculated by the use of kappa, with both assays exhibiting a moderate level of agreement. PMID- 27863951 TI - Detection of Helicobacter pylori and the genotypes of resistance to clarithromycin and the heterogeneous genotype to this antibiotic in biopsies obtained from symptomatic children. AB - : The aim of this study was to use a commercially available kit (GenoType(r) HelicoDR; Hain Life Science, Germany) to detect Helicobacter pylori infection and clarithromycin resistance genotype in biopsies obtained from symptomatic children. RESULTS: 111 out of 136 (81.6%) biopsies were H. pylori positive by genotype: 47 (42.3%) showed wild-type genotype, 53 resistant genotype (47.7%) and 11 heterogeneous genotype (9.9%). Culture was negative in 27 out of the 111 genotyped biopsies. Mutation A2143G (87.5%), followed by A2142G (7.5%) and double mutant A2142C-A2143G (5%) were found. The 11 heterogeneous genotype biopsies showed wild-type plus A2143G in 9 and plus A2142G in 2. CONCLUSIONS: This kit is a rapid, culture-independent method for routine application in biopsies from the pediatric population that allows detection of clarithromycin resistance and heterogeneous genotypes. It is important to know the clinical impact of infection with this type of strains as well as the role in treatment success. PMID- 27863952 TI - Differences in the dynamics of affective and cognitive processing - An ERP study. AB - A controversy in emotion research concerns the question of whether affective or cognitive primacy are evident in processing affective stimuli and the factors contributing to each alternative. Using electrophysiological recordings in an adapted visual oddball paradigm allowed tracking the dynamics of affective and cognitive effects. Stimuli consisted of face pictures displaying affective expressions with rare oddballs differing from frequent stimuli in either affective expression, structure (while frequent stimuli were shown frontally these deviants were turned sideways) or they differed on both dimensions, i.e. in affective expression and structure. Results revealed a defined sequence of differences in ERP amplitudes: For stimuli deviating in their affective expression only, P1 modulations ~100ms were evident, while affective differences of structure deviants were not evident before the N170 time window. All three types of deviants differed in P300 amplitudes, indicating integration of affective and structural information. These results encompass evidence for both, cognitive and affective primacy depending on stimulus properties. Specifically affective primacy is only visible when the respective facial features can be extracted with ease. When structural differences make face processing harder, however, cognitive primacy is brought forward. PMID- 27863953 TI - Reliability of a Kid's Activity and Nutrition Questionnaire for School-Based SNAP Ed Interventions as Part of a Tiered Development Process. AB - OBJECTIVE: To assess the reliability of the Kids' Activity and Nutrition Questionnaire (KAN-Q) as part of a tiered process for developing Supplemental Nutrition Assistance Program-Education tools. METHODS: The KAN-Q was administered at 2 time points to assess internal consistency using standardized values of Cronbach alpha and test-retest reliability using the intraclass correlation coefficient for continuous variables, Cohen's kappa (kappa) statistic for categorical variables, and the weighted kappa statistic for ordinal data. RESULTS: Data were collected from 119 fourth graders. Cronbach alpha was adequate for behavior (.71) and knowledge (.72) scales and nutrition behavior (.78) and nutrition knowledge (.75) subscales. Test-retest reliability was generally acceptable, with intraclass correlation coefficients from 0.40 to 0.75 and kappa coefficients showing fair to substantial agreement (0.30 to 0.72). CONCLUSIONS AND IMPLICATIONS: The KAN-Q is a practical and reliable questionnaire for school based administration that aligns directly with Supplemental Nutrition Assistance Program-Education evaluation priorities. PMID- 27863954 TI - Cardiovascular disease biomarkers on cognitive function in older adults: Joint effects of cardiovascular disease biomarkers and cognitive function on mortality risk. AB - Previous research demonstrates an inverse association between age and cardiovascular disease (CVD) biomarkers with cognitive function; however, little is known about the combined associations of CVD risk factors and cognitive function with all-cause mortality in an older adult population, which was the purpose of this study. Data from the 1999-2002 NHANES were used (N=2,097; 60+yrs), with mortality follow-up through 2011. Evaluated individual biomarkers included mean arterial pressure (MAP), high-sensitivity C-reactive protein (CRP), HDL-C, total cholesterol (TC), A1C, and measured body mass index (BMI). Cognitive function was assessed using the Digit Symbol Substitution Test (DSST). Further, 4 groups were created based on CVD risk and cognitive function. Group 1: high cognitive function and low CVD risk; Group 2: high cognitive function and high CVD risk; Group 3: low cognitive function and low CVD risk; Group 4: low cognitive function and high CVD risk. An inverse relationship was observed where those with more CVD risk factors had a lower (worse) cognitive function score. Compared to those in Group 1, only those in Group 3 and 4 had an increase mortality risk. PMID- 27863955 TI - The BLUEPRINT Data Analysis Portal. AB - The impact of large and complex epigenomic datasets on biological insights or clinical applications is limited by the lack of accessibility by easy, intuitive, and fast tools. Here, we describe an epigenomics comparative cyber-infrastructure (EPICO), an open-access reference set of libraries to develop comparative epigenomic data portals. Using EPICO, large epigenome projects can make available their rich datasets to the community without requiring specific technical skills. As a first instance of EPICO, we implemented the BLUEPRINT Data Analysis Portal (BDAP). BDAP provides a desktop for the comparative analysis of epigenomes of hematopoietic cell types based on results, such as the position of epigenetic features, from basic analysis pipelines. The BDAP interface facilitates interactive exploration of genomic regions, genes, and pathways in the context of differentiation of hematopoietic lineages. This work represents initial steps toward broadly accessible integrative analysis of epigenomic data across international consortia. EPICO can be accessed at https://github.com/inab, and BDAP can be accessed at http://blueprint-data.bsc.es. PMID- 27863956 TI - The International Human Epigenome Consortium Data Portal. AB - The International Human Epigenome Consortium (IHEC) coordinates the production of reference epigenome maps through the characterization of the regulome, methylome, and transcriptome from a wide range of tissues and cell types. To define conventions ensuring the compatibility of datasets and establish an infrastructure enabling data integration, analysis, and sharing, we developed the IHEC Data Portal (http://epigenomesportal.ca/ihec). The portal provides access to >7,000 reference epigenomic datasets, generated from >600 tissues, which have been contributed by seven international consortia: ENCODE, NIH Roadmap, CEEHRC, Blueprint, DEEP, AMED-CREST, and KNIH. The portal enhances the utility of these reference maps by facilitating the discovery, visualization, analysis, download, and sharing of epigenomics data. The IHEC Data Portal is the official source to navigate through IHEC datasets and represents a strategy for unifying the distributed data produced by international research consortia. PMID- 27863957 TI - Ex-vivo complexation, skin permeation, interaction and cytodermal toxicity studies of p-tertbutylcalix[4]arene nanoemulsion for radiation decontamination. AB - AIMS: p-tertbutylcalix[4]arene loaded nanoemulsion has been designed, characterized and evaluated for skin decontamination of radionuclides of interest in nuclear and radiological emergencies. Further, nanoemulsion was evaluated for Ex-vivo complexation, skin permeation, interaction and cytodermal toxicity. MATERIALS AND METHODS: Ex-vivo skin complexation studies were conducted using High-resolution sector field inductively coupled plasma mass spectroscopy (HR-SF ICPMS). Skin studies at dermal and cyto-dermal level have been carried out using techniques such as florescence microscopy, Differential scanning calorimetry (DSC), Flow cytometry, Confocal microscopy, Prestoblue and Comet assay. KEY FINDINGS: HR-SF-ICPMS study confirmed >95% complexation of surrogate nuclides of thallium and Iodine applied on excised rat skin mounted over Franz diffusion cell. Temporal analysis of aliquots obtained from Franz diffusion cell using UV Vis absorption spectroscopy indicated that only 3.37% of formulation permeates through the skin. Skin penetration study of rhodamine 123 nanoemulsion carried out using florescence microscopy confirmed that formulation remains localised in epidermis of rat skin. DSC data confirmed skin compatibility of nanoemulsion, as no lipid extraction was observed from skin. In-vitro cell viability and cellular uptake assays performed on human skin fibroblasts prove no cellular uptake and cytotoxic effects. Comet assay, cell cycle arrest, and apoptosis-inducing mechanistic studies prove that prepared nanoemulsion is safe at cellular level. SIGNIFICANCE: Taken together, data indicate that p-tertbutylcalix[4]arene nanoemulsion is both effective and safe formulation to use on skin for radio decontamination. PMID- 27863958 TI - The expression of bitter taste receptors in mesenteric, cerebral and omental arteries. AB - AIM: Bitter taste is sensed by the bitter taste receptor (TAS2R), which is mainly expressed in the tongue as well as in extra-oral organs, such as the gastrointestinal tract, respiratory tract, brain, heart and testis. This study aimed to investigate whether TAS2R is expressed in the mesenteric, cerebral and omental arteries. MAIN METHODS: The expression levels of TAS2R mRNA and protein were determined by reverse-transcription polymerase chain reaction and Western blotting, respectively. The location of TAS2R was determined by immunofluorescence imaging. TAS2R agonists were used in a sensitive myograph to study the function of TAS2R in arteries. KEY FINDINGS: The mRNA of rat TAS2Rs, including rTAS2R39, rTAS2R40, rTAS2R108, rTAS2R114, rTAS2R130, rTAS2R137, and rTAS2R140, was expressed in rat mesenteric and cerebral arteries, but rTAS2R114 was not expressed in the cerebral arteries. The mRNA of human TAS2Rs, including hTAS2R3, hTAS2R4, hTAS2R7, hTAS2R10, hTAS2R14, hTAS2R39 and hTAS2R40, was expressed in human omental arteries. The TAS2R7 protein was expressed in rat mesenteric and cerebral arteries, as well as in human omental arteries. Immunofluorescence imaging confirmed that TAS2R7 was located in vascular smooth muscle cells and endothelial cells. The TAS2R agonists, chloroquine and quinine relaxed rat mesenteric arteries and cerebral arteries and human omental arteries in a concentration-dependent manner. SIGNIFICANCE: TAS2R is expressed in the arteries of systemic circulation, including rat mesenteric and cerebral arteries and human omental arteries. This study provides evidence that TAS2R do exist in the arteries and may be involved in the mediation of vessel functions. PMID- 27863960 TI - Route of transmission of Staphylococcus aureus. PMID- 27863959 TI - Transmission of Staphylococcus aureus between health-care workers, the environment, and patients in an intensive care unit: a longitudinal cohort study based on whole-genome sequencing. AB - BACKGROUND: Health-care workers have been implicated in nosocomial outbreaks of Staphylococcus aureus, but the dearth of evidence from non-outbreak situations means that routine health-care worker screening and S aureus eradication are controversial. We aimed to determine how often S aureus is transmitted from health-care workers or the environment to patients in an intensive care unit (ICU) and a high-dependency unit (HDU) where standard infection control measures were in place. METHODS: In this longitudinal cohort study, we systematically sampled health-care workers, the environment, and patients over 14 months at the ICU and HDU of the Royal Sussex County Hospital, Brighton, England. Nasal swabs were taken from health-care workers every 4 weeks, bed spaces were sampled monthly, and screening swabs were obtained from patients at admission to the ICU or HDU, weekly thereafter, and at discharge. Isolates were cultured and their whole genome sequenced, and we used the threshold of 40 single-nucleotide variants (SNVs) or fewer to define subtypes and infer recent transmission. FINDINGS: Between Oct 31, 2011, and Dec 23, 2012, we sampled 198 health-care workers, 40 environmental locations, and 1854 patients; 1819 isolates were sequenced. Median nasal carriage rate of S aureus in health-care workers at 4 weekly timepoints was 36.9% (IQR 35.7-37.3), and 115 (58%) health-care workers had S aureus detected at least once during the study. S aureus was identified in 8-50% of environmental samples. 605 genetically distinct subtypes were identified (median SNV difference 273, IQR 162-399) at a rate of 38 (IQR 34-42) per 4-weekly cycle. Only 25 instances of transmission to patients (seven from health-care workers, two from the environment, and 16 from other patients) were detected. INTERPRETATION: In the presence of standard infection control measures, health care workers were infrequently sources of transmission to patients. S aureus epidemiology in the ICU and HDU is characterised by continuous ingress of distinct subtypes rather than transmission of genetically related strains. FUNDING: UK Medical Research Council, Wellcome Trust, Biotechnology and Biological Sciences Research Council, UK National Institute for Health Research, and Public Health England. PMID- 27863961 TI - Glycan region of GPI anchored-protein is required for cytocidal oligomerization of an anticancer parasporin-2, Cry46Aa1 protein, from Bacillus thuringiensis strain A1547. AB - Parasporin-2 (PS2), alternatively named Cry46Aa1, an anticancer protein derived from Bacillus thuringiensis strain A1547, causes specific cell damage via PS2 oligomerization in the cell membrane. Although PS2 requires glycosylphosphatidylinositol (GPI)-anchored proteins for its cytocidal action, their precise role is unknown. Here, we report that the glycan of GPI induces PS2 oligomerization, which causes cell death. Cytotoxicity, cell-binding and oligomerization of the toxin were not observed in GPI-anchored protein-deficient Chinese hamster ovary cells. Expression and protease-treatment analyses showed that the actions of the toxin were dependent on the glycan core, not the polypeptide moiety, of GPI-anchored proteins. However, surface expression of some GPI-anchored proteins is observed in PS2-insensitive cells. These data suggest that GPI-anchored proteins do not determine the target specificity, but instead function as a kind of coreceptor, in the cytocidal action of PS2. PMID- 27863963 TI - The dose-response of salvage radiotherapy following radical prostatectomy: A systematic review and meta-analysis. AB - PURPOSE/OBJECTIVES: To date neither the optimal radiotherapy dose nor the existence of a dose-response has been established for salvage RT (SRT). MATERIALS/METHODS: A systematic review from 1996 to 2015 and meta-analysis was performed to identify the pathologic, clinical and treatment factors associated with relapse-free survival (RFS) after SRT (uniformly defined as a PSA>0.2ng/mL or rising above post-SRT nadir). A sigmoidal dose-response curve was objectively fitted and a non-parametric statistical test used to determine significance. RESULTS: 71 studies (10,034 patients) satisfied the meta-analysis criteria. SRT dose (p=0.0001), PSA prior to SRT (p=0.0009), ECE+ (p=0.039) and SV+ (p=0.046) had significant associations with RFS. Statistical analyses confirmed the independence of SRT dose-response. Omission of series with ADT did not alter results. Dose-response is well fit by a sigmoidal curve (p=0.0001) with a TCD50 of 65.8Gy, with a dose of 70Gy achieving 58.4% RFS vs. 38.5% for 60Gy. A 2.0% [95% CI 1.1-3.2] improvement in RFS is achieved for each Gy. The SRT dose response remarkably parallels that for definitive RT of localized disease. CONCLUSIONS: This study provides level 2a evidence for dose-escalated SRT>70Gy. The presence of an SRT dose-response for microscopic disease supports the hypothesis that prostate cancer is inherently radio-resistant. PMID- 27863962 TI - Understanding the impact of pelvic organ motion on dose delivered to target volumes during IMRT for cervical cancer. AB - BACKGROUND: Advanced radiotherapy techniques reduce normal tissue dose by conforming closely to target volumes. In cervical cancer radiotherapy, organ filling affects clinical target volume (CTV; cervix, uterus) position. This study estimates the dosimetric effect of this primary CTV position variation during chemoradiation. METHODS/MATERIALS: Twice weekly cone-beam computed tomography (CBCT) images of ten patients undergoing cervical chemoradiation were retrospectively analysed. Primary CTV, bladder and rectum were delineated. RapidArc plans were created using 10-15mm CTV-PTV margins and dose delivered to CTV based on each CBCT position was calculated using a novel vector approach. Dose delivered along the central uterine, mid-uterus and cervix vectors were analysed as well as dose delivered to points at uterine tip, anterior mid-uterus and anterior cervix. Additional RapidArc plans were created for large planning bladder volume cases using the CTV acquired with bladder volume at 150-300cc. RESULTS: 105 scans for 10 patients were analysed. Vector analysis revealed CTV underdosing in certain cases. Below 95% average vector coverage was found for all three vectors in 2 cases and one vector in 1 case. Volumetric analysis revealed D99<95% in 48% of fractions. Patients with large planning bladder volumes (>300cc) demonstrated the largest variation. Replanning improved this coverage. The anterior mid-uterus point was least well-covered; median 98.7% dose, reducing to 91.4% in cases with large planning bladder volumes. Again, replanning significantly improved this. D99>95% was maintained in 93% of fractions when bladder volume was 50cc below to 150cc above planning volume compared to 24% of fractions if bladder volume was outside this range. Similarly, D95>95% was 100% versus 84%. CONCLUSION: Organ position variation detrimentally affected dose delivered to CTV including cervix. Large planning bladder volumes (>300cc) led to more variation. We recommend bladder volumes of 150-300cc at planning and a range of 50cc below to 150cc above planning for treatment. PMID- 27863964 TI - Clinical evidence of variable proton biological effectiveness in pediatric patients treated for ependymoma. AB - BACKGROUND AND PURPOSE: A constant relative biological effectiveness (RBE) is used for clinical proton therapy; however, experimental evidence indicates that RBE can vary. We analyzed pediatric ependymoma patients who received proton therapy to determine if areas of normal tissue damage indicated by post-treatment image changes were associated with increased biological dose effectiveness. MATERIAL AND METHODS: Fourteen of 34 children showed T2-FLAIR hyperintensity on post-treatment magnetic resonance (MR) images. We delineated regions of treatment related change and calculated dose and linear energy transfer (LET) distributions with Monte Carlo. Voxel-level image change data were fit to a generalized linear model incorporating dose and LET. Cross-validation was used to determine model parameters and for receiver operating characteristic curve analysis. Tolerance dose (TD50; dose at which 50% of patients would experience toxicity) was interpolated from the model. RESULTS: Image changes showed dependence on increasing LET and dose. TD50 decreased with increasing LET, indicating an increase in biological dose effectiveness. The cross-validated area under the curve for the model was 0.91 (95% confidence interval 0.88-0.94). CONCLUSIONS: Our correlation of changes on MR images after proton therapy with increased LET constitutes the first clinical evidence of variable proton biological effectiveness. PMID- 27863965 TI - Robustness of the Reichert Unistat Bilirubinometer for analysis of hemolyzed samples from neonates. AB - BACKGROUND AND OBJECTIVES: Bilirubin is routinely measured in neonates to avoid the irreversible effects of kernicterus. Grossly hemolyzed samples are routinely rejected under the assumption that bilirubin cannot be accurately measured in hemolyzed samples. The objective of this study was to determine the effect of hemolysis on bilirubin measurement in neonates. METHODS: Data included 2-years of paired bilirubin results (n=70) where hemolyzed and non-hemolyzed samples were collected and measured within 6h of each other. Bilirubin results were compared by Passing-Bablock linear regression and difference plots. Bilirubin results were also compared using the Bhutani nomogram to determine if hemolysis affected the hyperbilirubinemia risk-category. RESULTS: Gross hemolysis resulted in a mean negative bias of -5.2MUmol/L (95% CI: -30.7 to 20.3MUmol/L). Based on the Bhutani nomogram, 1/70 samples would have been classified as Low-intermediate instead of High-intermediate risk and 3/70 would have been classified as Low instead of Low intermediate risk; 5/70 samples would have been classified as Low-intermediate instead of Low risk. CONCLUSIONS: Collectively the data support that neonatal bilirubin may be reported from grossly hemolyzed samples measured using the Reichert Unistat Bilirubinometer. This practice has been adopted at our institution where results are reported with comments describing the effects of hemolysis. Implementation of this approach has decreased the number of blood re collections in neonates. PMID- 27863966 TI - Activation of telomerase by HPVs. AB - Telomerase extends the ends of linear chromosomes, and its expression leads to cellular immortalization. In HPV-associated cancers, telomerase is universally detected, and this occurs by activation of the catalytic subunit of telomerase, hTERT. The expression of hTERT is affected by both high-risk HPV E6 and E7. Seminal studies over the last two decades have identified the transcriptional, epigenetic, and post-transcriptional roles high-risk E6 and E7 have in telomerase regulation. This review will summarize these findings and highlight the importance of telomerase activation as an oncogenic pathway in HPV-associated cancer development and progression. PMID- 27863968 TI - Periocular, periorbital, and orbital pathology in liver disease. AB - Although the connection is not often apparent, hepatic pathology may be associated with ophthalmic disease. We review the literature concerning the periocular, periorbital, and orbital manifestations of various hepatic disorders. This includes periocular or periorbital jaundice, the impact of hepatitis B and C, eyelid changes in cirrhosis, orbital mass lesions in hepatocellular carcinoma, and cutaneous vascular malformations as they are related to liver disease. The motility disorders associated with Wilson disease, the ophthalmic manifestations of Alagille syndrome, and the effects of liver transplantation are also discussed. PMID- 27863969 TI - Moving forward with obesity research in breast cancer. PMID- 27863971 TI - Systemic inaccuracies in the National Surgical Quality Improvement Program database: Implications for accuracy and validity for neurosurgery outcomes research. AB - The American College of Surgeons (ACS) National Surgical Quality Improvement Program (NSQIP) provides a rich database of North American surgical procedures and their complications. Yet no external source has validated the accuracy of the information within this database. Using records from the 2006 to 2013 NSQIP database, we used two methods to identify errors: (1) mismatches between the Current Procedural Terminology (CPT) code that was used to identify the surgical procedure, and the International Classification of Diseases (ICD-9) post operative diagnosis: i.e., a diagnosis that is incompatible with a certain procedure. (2) Primary anesthetic and CPT code mismatching: i.e., anesthesia not indicated for a particular procedure. Analyzing data for movement disorders, epilepsy, and tumor resection, we found evidence of CPT code and postoperative diagnosis mismatches in 0.4-100% of cases, depending on the CPT code examined. When analyzing anesthetic data from brain tumor, epilepsy, trauma, and spine surgery, we found evidence of miscoded anesthesia in 0.1-0.8% of cases. National databases like NSQIP are an important tool for quality improvement. Yet all databases are subject to errors, and measures of internal consistency show that errors affect up to 100% of case records for certain procedures in NSQIP. Steps should be taken to improve data collection on the frontend of NSQIP, and also to ensure that future studies with NSQIP take steps to exclude erroneous cases from analysis. PMID- 27863970 TI - Treatment of distal anterior cerebral artery aneurysms with the Pipeline Embolization Device. AB - Aneurysms of the anterior cerebral artery (ACA) located distal to the anterior communicating artery complex (ACOM) remain challenging to treat with surgical clip reconstruction as well as with endovascular coil-embolization strategies. We have treated five complex geometry distal ACA aneurysms with endoluminal reconstruction using the Pipeline Embolization Device (PED). Two aneurysms were of the dysplastic fusiform type. Three aneurysms were of complex saccular configuration. Three aneurysms were treated electively at the outset with PED. One patient had previously undergone aborted clip reconstruction, and one was treated for recurrent aneurysm growth after coil embolization. The mean diameter of the ACA in this cohort was 1.96mm proximal to the aneurysm and 1.79mm distal to the aneurysmal segment. A single PED of 2.5mm inner diameter was the sole treatment in four cases. Two PEDs, telescopically overlapped across the aneurysm, were used in the remaining case. All devices were deployed successfully. No parent artery occlusion or stenosis was observed. In all cases an associated branch vessel arising from the vicinity of the aneurysm or incorporated into its neck was covered by the endoluminal construct. At follow-up angiography, robust antegrade flow was maintained in the jailed branch. One patient experienced asymptomatic, delayed occlusion of the jailed branch. Complete aneurysm occlusion was seen in all patients. We confirm that PED can be deployed in parent vessels smaller than 2mm diameter, and that endoluminal reconstruction with the PED may be a safe and effective treatment alternative for selected distal ACA aneurysms. PMID- 27863972 TI - Vagus nerve stimulator-related speech/exercise induced cough. AB - Vagal nerve stimulation (VNS) therapy is an effective adjunctive treatment for chronic or recurrent treatment resistant depression. Although considered a safe procedure, increasing output current can be associated with stimulation induced side effects. We report the first case of dry cough induced by speech and mild exercise, occurring in the off mode following implantation of a vagal nerve stimulator (VNSor). We discuss the possible pathophysiology and the potential treatment options of this rare complication. PMID- 27863973 TI - White blood cell subtypes and risk of type 2 diabetes. AB - OBJECTIVE: It is reported that total white blood cell is associated with risk of diabetes mellitus. The present study is to investigate the relationship of white blood cell subsets with incidence of type 2 diabetes at baseline and 3year follow up. METHODS: We chose individuals without diabetes history as our study population; 8991 individuals were included at baseline. All of the participants underwent a 75-g OGTT at baseline. White blood cell count including all the subsets were measured along with all the other laboratory indices. The participants who were not diagnosed with type 2 diabetes according to the WHO 1999 diagnostic criteria underwent another 75-g OGTT at 3year follow-up. RESULTS: The total WBC count, neutrophil count, and lymphocyte count were significantly increased in subjects newly diagnosed with diabetes mellitus compared to non-DM subjects at baseline (all p<0.001). The ORs for DM were increased from the 1st to the 4th quartiles at both baseline and follow-up (both p<0.001 for trend). At baseline, in the highest WBC quartile, the adjusted OR of DM was 2.51 (95% confidence interval [CI] 2.09 to 3.02). In the highest neutrophils quartile, the adjusted OR of DM was 2.11 (95% confidence interval [CI] 1.78 to 2.51). In the highest lymphocytes quartile, the adjusted OR of DM was 1.85 (95% confidence interval [CI] 1.56 to 2.18). At follow-up, in the highest WBC quartile, the adjusted OR of DM was 1.79 (95% confidence interval [CI] 1.38 to 2.33). In the highest neutrophils quartile, the adjusted OR of DM was 1.58 (95% confidence interval [CI] 1.23 to 2.03). In the highest lymphocytes quartile, the adjusted OR of DM was 1.74 (95% confidence interval [CI] 1.37 to 2.22). HOMA-IR and HbA1c correlated to elevated levels of WBC count, neutrophils and lymphocytes significantly (all p<0.001). CONCLUSIONS: Increased levels of WBC count, neutrophils and lymphocytes are all predictors for incidence of type 2 diabetes. PMID- 27863974 TI - Establishment of Aedes aegypti (L.) in mountainous regions in Mexico: Increasing number of population at risk of mosquito-borne disease and future climate conditions. AB - The study was conducted in the central region of Veracruz Mexico, in the metropolitan area of Xalapa. It is a mountainous area where Aedes aegypti (L.) is not currently endemic. An entomological survey was done along an elevation gradient using the Ae. aegypti occurrences at different life cycle stages. Seven sites were sampled and a total of 24 mosquito species were recorded: 9 species were found in urban areas, 18 in non-urban areas with remnant vegetation, and 3 occurred in both environments. Ae. aegypti was found only in the urban areas, usually below 1200m a.s.l., but in this study was recorded for the first time at 1420m a.s.l. These occurrences, together with additional distribution data in the state of Veracruz were used to developed species distribution models using Maxlike software in R to identify the current projected suitable areas for the establishment of this vector and the human populations that might be affected by dengue transmission at higher elevations. Its emergence in previously unsuitable places appears to be driven by both habitat destruction and biodiversity loss associated with biotic homogenization. A border study using data from the edges of the vector's distribution might allow sensitive monitoring to detect any changes in this mosquito's distribution pattern, and any changes in the anthropic drivers or climate that could increase transmission risk. PMID- 27863967 TI - Host cell restriction factors that limit transcription and replication of human papillomavirus. AB - The life cycle of human papillomaviruses (HPV) is tightly regulated by the differentiation state of mucosal and cutaneous keratinocytes. To counteract viral infection, constitutively expressed cellular factors, which are defined herein as restriction factors, directly mitigate viral gene expression and replication. In turn, some HPV gene products target these restriction factors and abrogate their anti-viral effects to establish efficient gene expression and replication programs. Ironically, in certain circumstances, this delicate counterbalance between viral gene products and restriction factors facilitates persistent infection by HPVs. This review serves to recapitulate the current knowledge of nuclear restriction factors that directly affect the HPV infectious cycle. PMID- 27863975 TI - Brief Academic Bio of the Senior Guest Editor: Dr Jerard Seghatchian. PMID- 27863976 TI - Postoperative hyperglycaemia control reduces postoperative complications in patients subject to total knee arthroplasty. AB - BACKGROUND: The aim of our study was the early detection and treatment of patients with unknown alterations of the hydrocarbon metabolism subject to total knee arthroplasty in order to reduce the incidence of postoperative complications. METHODS: Patients were classified as non-diabetic patients (group 1), diabetic patients (group 2) and patients with stress hyperglycaemia (group 3). The last two groups were recommended assessment by a primary care physician (PCP). After one year follow-up the groups were compared with respect to incidence of postoperative complications. The groups were also compared regarding the decrease or increase of HbA1c levels with the incidence of complications. RESULTS: Of the 228 patients, 116 (50%) were included in group 1, 40 (17.5%) in group 2 and 72 (31.6%) in group 3. Patients that consulted their PCP presented lower medical complication rates than those who did not (9.2% vs. 26.4%, P=0.020). Not being attended by a PCP was an independent predictive factor of medical complication (odds ratio (OR): 21.3; 95% confidence interval (95% CI): 4.6-98.5), surgical site infection (OR: 4.1; 95% CI: 1.1-15.0) and mechanical complication (OR: 5.0; 95% CI: 1.3-18.8). A decrease of HbA1c value was related to less medical systemic complications (7.3% vs. 24.2%, P=0.035). CONCLUSIONS: Patients with hyperglycaemia during the postoperative total knee arthroplasty period, who are controlled by the PCP present lower incidence of complications. Decrease of HbA1c value during postoperative total knee arthroplasty period leads to a lower rate of medical complications. PMID- 27863977 TI - Foreword. PMID- 27863978 TI - Predicting the physiological response of Tivela stultorum hearts with digoxin from cardiac parameters using artificial neural networks. AB - Multi-layer perceptron artificial neural networks (MLP-ANNs) were used to predict the concentration of digoxin needed to obtain a cardio-activity of specific biophysical parameters in Tivela stultorum hearts. The inputs of the neural networks were the minimum and maximum values of heart contraction force, the time of ventricular filling, the volume used for dilution, heart rate and weight, volume, length and width of the heart, while the output was the digoxin concentration in dilution necessary to obtain a desired physiological response. ANNs were trained, validated and tested with the dataset of the in vivo experiment results. To select the optimal network, predictions for all the dataset for each configuration of ANNs were made, a maximum 5% relative error for the digoxin concentration was set and the diagnostic accuracy of the predictions made was evaluated. The double-layer perceptron had a barely higher performance than the single-layer perceptron; therefore, both had a good predictive ability. The double-layer perceptron was able to obtain the most accurate predictions of digoxin concentration required in the hearts of T. stultorum using MLP-ANNs. PMID- 27863980 TI - The need for international consensus on prediabetes. PMID- 27863979 TI - Comparative prognostic performance of definitions of prediabetes: a prospective cohort analysis of the Atherosclerosis Risk in Communities (ARIC) study. AB - BACKGROUND: No consensus on definitions of prediabetes exists among international organisations. Analysis of associations with different definitions and clinical complications can inform the comparative value of different prediabetes definitions. We compared the risk of future outcomes across different prediabetes definitions based on fasting glucose concentration, HbA1c, and 2 h glucose concentration during over two decades of follow-up in the community-based Atherosclerosis Risk in Communities (ARIC) study. We aimed to analyse the associations of definitions with outcomes to provide a comparison of different definitions. METHODS: We did a prospective cohort study of participants in the ARIC study who did not have diagnosed diabetes and who attended visit 2 (1990-92; n=10 844) and who attended visit 4 (1996-98; n=7194). ARIC participants were enrolled from four communities across the USA. Fasting glucose concentration and HbA1c were measured at visit 2 and fasting glucose concentration and 2 h glucose concentration were measured at visit 4. We compared prediabetes definitions based on fasting glucose concentration (American Diabetes Association [ADA] fasting glucose concentration cutoff 5.6-6.9 mmol/L and WHO fasting glucose concentration cutoff 6.1-6.9 mmol/L), HbA1c (ADA HbA1c cutoff 5.7-6.4% [39-46 mmol/mol] and International Expert Committee [IEC] HbA1c cutoff 6.0-6.4% [42-46 mmol/mol]), and 2 h glucose concentration (ADA and WHO 2 h glucose concentration cutoff 7.8-11.0 mmol/L). FINDINGS: Prediabetes defined using the ADA fasting glucose concentration cutoff (prevalence 4112 [38%] of 10 844 people; 95% CI 37.0-38.8) was the most sensitive for major clinical outcomes, whereas using the ADA HbA1c cutoff (2027 [19%] of 10 884 people; 18.0-19.4) and IEC HbA1c cutoff (970 [9%] of 10 844 people; 8.4-9.5), and the WHO fasting glucose concentration cutoff (1213 [11%] of 10 844 people; 10.6-11.8) were more specific. After demographic adjustment, HbA1c-based definitions of prediabetes had higher hazard ratios and better risk discrimination for chronic kidney disease, cardiovascular disease, peripheral arterial disease, and all-cause mortality than did fasting glucose concentration-based definitions (all p<0.05). The C-statistic for incident chronic kidney disease was 0.636 for ADA fasting glucose concentration clinical categories and 0.640 for ADA HbA1c clinical categories (difference -0.005, 95% CI -0.008 to -0.001). The C-statistics were 0.662 for ADA fasting glucose clinical concentration categories and 0.672 for ADA HbA1c clinical categories for atherosclerotic cardiovascular disease, 0.701 for ADA fasting glucose concentration clinical categories and 0.722 for ADA HbA1c clinical categories for peripheral arterial disease, and 0.683 for ADA fasting glucose concentration clinical categories and 0.688 for ADA HbA1c clinical categories for all-cause mortality. Prediabetes defined using the ADA HbA1c cutoff showed a significant overall improvement in the net reclassification index for cardiovascular outcomes and death compared with prediabetes defined with glucose-based definitions. ADA fasting glucose concentration clinical categories, WHO fasting glucose concentration clinical categories, and ADA and WHO 2 h glucose concentrations clinical categories were not significantly different in terms of risk discrimination for chronic kidney disease, cardiovascular outcomes, or mortality outcomes. INTERPRETATION: Our results suggest that prediabetes definitions using HbA1c were more specific and provided modest improvements in risk discrimination for clinical complications. The definition of prediabetes using the ADA fasting glucose concentration cutoff was more sensitive overall. FUNDING: US National Institutes of Health. PMID- 27863983 TI - Professor Alexander T. Florence: An exceptional scientist and man. PMID- 27863981 TI - Physicians' Perceived Roles, as Well as Barriers, Toward Caring for Women Sex Assault Survivors. AB - BACKGROUND: Sexual assault (SA) affects about 40% of women in the United States and has many mental and physical health sequelae. Physicians often do not address SA with patients, although SA survivors describe a desire to talk to physicians to obtain additional help. Little information exists on how providers perceive their roles regarding caring for women SA survivors and what barriers they face in providing this care. METHODS: We performed a qualitative study using semistructured one-on-one interviews with 16 faculty physicians from five specialties: obstetrics and gynecology (n = 4), internal medicine (n = 4), family medicine (n = 1), emergency medicine (n = 3), and psychiatry (n = 4). Interviews were conducted between July 2011 and July 2012, transcribed verbatim, and coded using a constant comparative approach. Once a final coding scheme was applied to all transcripts, we identified patterns and themes related to perceived roles and barriers to caring for SA survivors. RESULTS: Physicians described two main categories of roles: clinical tasks (e.g., testing and treating for sexually transmitted infections, managing associated mental health sequelae) and interpersonal roles (e.g., providing support, acting as patient advocate). Physician barriers fell into three main categories: 1) internal barriers (e.g., discomfort with the topic of SA), 2) physician-patient communication, and 3) system obstacles (e.g., competing priorities for time). CONCLUSIONS: Although physicians describe key roles in caring for SA survivors, several barriers hinder their ability to fulfill these roles. Training interventions are needed to reduce the barriers that would ultimately improve clinical care for SA survivors. PMID- 27863984 TI - Pharmacy preparations: Back in the limelight? Pharmacists make up your mind! AB - In this contribution to the theme issue recognizing prof. Florence's achievements as editor -in-chief of the Int. J. Pharmaceutics, we analyze the future of pharmacy preparations (also known as extemporaneous preparations or compounded products). Pharmacy preparations, long considered as an endangered part of the pharmacy profession on its way to extinction, may be at the brink of a revival. Drivers of this revival are a set of changes related to new clinical concepts and supply shortages. Moreover, new production and IT paradigms are being developed that facilitate the preparation processes and provide the necessary quality management systems. Finally, more detailed legislation (EU) and guidelines (US) gets a better hold on preparation in pharmacies. The question is now: is the pharmacy profession willing to accept preparation of high quality medicines in the pharmacy as an integral part of its professional tasks? If so, institutions for pharmacy education should provide the required competences to the pharmacy student. If not, alternative scenarios with other disciplines taking the lead should be considered. Whatever the choice made, the 'Physicochemical principles of pharmacy: in manufacture, formulation and clinical use' by Florence and Attwood (2016); will be on the engineer/pharmacy student's desk. PMID- 27863985 TI - High systemic availability of core-crosslinked polymeric micelles after subcutaneous administration. AB - Covalent entrapment of drug molecules within core-crosslinked polymeric micelles (CCPM) represents an attractive approach to improve their therapeutic index. As an alternative to the most commonly employed intravenous (i.v.) route, subcutaneous (s.c.) administration offers the possibility of self-administration and thereby may reduce healthcare costs. The aim of this work was to assess the pharmacokinetic profile and systemic availability of drug-containing CCPM following s.c. injection. We here derivatised dexamethasone (DMS) with three different linkers, which enabled covalent attachment of this drug to the core of CCPM. The obtained DMS-containing CCPM exhibited varying drug release kinetics in vitro. Remarkably, a single dose of DMS-containing CCPM resulted in high systemic availability of about 30% following s.c. injection into the flank of healthy mice, as evidenced by an AUC between 26-37% relative to the AUC attained following i.v. injection. Although different linkers resulted in moderate variations in pharmacokinetic parameters, the overall pharmacokinetic profiles of these i.v. or s.c. administered nanomedicines were not substantially different. Next to DMS, we covalently attached paclitaxel (PTX) to the core of CCPM. Similarly, a single s.c. dose of PTX-containing CCPM resulted in high systemic availability of about 40% compared to i.v. injection and PTX (entrapped plus released) was detected in the blood for at least 3days. Importantly, the systemic availability of s.c. administered drug-containing CCPM is substantially higher than that of other nanoformulations as reported in the literature (e.g. 3% in rodents). These results demonstrate that s.c. administration is a promising route to attain high systemic availability of CCPM, enabling a potentially more patient friendly and cost-effective treatment approach than the i.v. route. PMID- 27863982 TI - Predictors of Breast Cancer Worry in a Hispanic and Predominantly Immigrant Mammography Screening Population. AB - OBJECTIVE: Worry about developing breast cancer (BC) has been associated with participation in screening and genetic testing and with follow-up of abnormal screening results. Little is known about the scope and predictors of BC worry in Hispanic and immigrant populations. METHODS: We collected in-person interview data from 250 self-identified Hispanic women recruited from an urban mammography facility (average age 50.4 years; 82% foreign-born). Women reported whether they worried about developing breast cancer rarely/never (low worry), sometimes (moderate worry), or often/all the time (high worry). We examined whether sociocultural and psychological factors (e.g., acculturation, education, perceived risk), and risk factors and objective risk for BC (e.g., family history, Gail model 5-year risk estimates, parity) predicted BC worry using multinomial and logistic regression. RESULTS: In multivariable models, women who perceived higher absolute BC risk (odds ratio, 1.66 [95% confidence interval, 1.28-2.14] for a one-unit increase in perceived lifetime risk) and comparative BC risk (e.g., odds ratio, 2.73, 95% confidence interval, 1.23-6.06) were more likely to report high BC worry than moderate or low BC worry. There were no associations between BC worry and indicators of objective risk or acculturation. CONCLUSIONS: In Hispanic women undergoing screening mammography, higher perceptions of BC risk, in both absolute and comparative terms, were associated independently with high BC worry, and were stronger predictors of BC worry than indicators of objective BC risk, including family history, mammographic density, and personal BC risk estimates. PMID- 27863986 TI - Microfluidics based manufacture of liposomes simultaneously entrapping hydrophilic and lipophilic drugs. AB - Despite the substantial body of research investigating the use of liposomes, niosomes and other bilayer vesicles for drug delivery, the translation of these systems into licensed products remains limited. Indeed, recent shortages in the supply of liposomal products demonstrate the need for new scalable production methods for liposomes. Therefore, the aim of our research has been to consider the application of microfluidics in the manufacture of liposomes containing either or both a water soluble and a lipid soluble drug to promote co-delivery of drugs. For the first time, we demonstrate the entrapment of a hydrophilic and a lipophilic drug (metformin and glipizide respectively) both individually, and in combination, using a scalable microfluidics manufacturing system. In terms of the operating parameters, the choice of solvents, lipid concentration and aqueous:solvent ratio all impact on liposome size with vesicle diameter ranging from ~90 to 300nm. In terms of drug loading, microfluidics production promoted high loading within ~100nm vesicles for both the water soluble drug (20-25% of initial amount added) and the bilayer embedded drug (40-42% of initial amount added) with co-loading of the drugs making no impact on entrapment efficacy. However, co-loading of glipizide and metformin within the same liposome formulation did impact on the drug release profiles; in both instances the presence of both drugs in the one formulation promoted faster (up to 2 fold) release compared to liposomes containing a single drug alone. Overall, these results demonstrate the application of microfluidics to prepare liposomal systems incorporating either or both an aqueous soluble drug and a bilayer loaded drug. PMID- 27863987 TI - Optimized synthesis and crystalline stability of gamma-cyclodextrin metal-organic frameworks for drug adsorption. AB - The biocompatible and renewable cyclodextrin metal-organic frameworks (CD-MOFs) have addressed a range of opportunities in molecular storage and separation sciences. The reported protocols for their synthesis, however, were carried out at room temperature over long time periods of time (24h), producing crystals of relatively poor uniformity. In this investigation, micron sized gamma-CD-MOFs were synthesized by an optimized vapor diffusion method at elevated temperature (50 degrees C) within 6h, after which the size control, crystalline stability and drug adsorption behavior were investigated in detail. In this manner, uniform cubic gamma-CD-MOF crystals were obtained when the reaction temperature was raised to 50 degrees C with pre-addition of the reaction solvent. The size of gamma-CD-MOFs was adjusted efficiently by changing the reactant concentrations, temperatures, time, gamma-CD ratios to KOH and surfactant concentrations, without influencing the porosity and crystallinity of the material markedly. Varing degrees of reduction in crystallinity and change in morphology were observed when the gamma-CD-MOF crystals are treated under conditions of high temperature (100 degrees C), high humidity (92.5%) and polar solvents (e.g., MeOH and DMF). In relation to drug adsorption by gamma-CD-MOFs, most of the drug molecules containing carboxyl groups showed relatively high adsorption (>5%), while low adsorption (<5%) was found for drugs with nitrogen-containing heterocyclic rings. In addition, the adsorption kinetics of captopril to standard gamma-CD-MOFs matched a pseudo-second-order model rather well, whilst captopril adsorption to the damaged gamma-CD-MOFs only partially matched the pseudo-second-order model. In summary, based upon the optimized synthesis and size control of gamma-CD-MOFs, the crystalline stability and drug adsorption characteristics of gamma-CD-MOF crystals have been evaluated as a fundamental requirement of a potential vehicle for drug delivery. PMID- 27863988 TI - Ibuprofen delivery into and through the skin from novel oxidized cellulose-based gels and conventional topical formulations. AB - The delivery of ibuprofen into and through the skin from novel formulations containing TEMPO-oxidized cellulose nanofibril-based (TOCN) gels was compared to that from two conventional and commercially available products. The gels were evaluated in-vitro (using both silicone membranes, and pig skin) and in-vivo in human volunteers. All gels showed consistent behaviour in a standard in vitro release test. The stratum corneum (SC) uptake and skin penetration of ibuprofen in vitro from the novel gels and the marketed formulations were generally comparable even though the drug loading in the TOCN-based vehicles was only 20% of that in the 'reference' products. In vivo, the new gels appeared to enhance drug uptake into the SC following a relatively short application time, again matching the performance of the commercial formulations. Taken together, the results of this research provide proof-of-concept for the idea that the sustainable, oxidized cellulose gels may provide more efficient drug delivery into and through the skin, thereby improving drug utilisation and reducing potential adverse effects when such formulations are applied chronically over large skin areas. PMID- 27863989 TI - The gut in the beaker: Missing the surfactants? AB - Gastrointestinal drug administration is the preferred route for the majority of drugs however, the natural physiology and physicochemistry of the gastrointestinal tract is critical to absorption but complex and influenced by factors such as diet or disease. The pharmaceutical sciences drive for product consistency has led to the development of in vitro product performance tests whose utility and interpretation is hindered by the complexity, variability and a lack of understanding. This article explores some of these issues with respect to the drug, formulation and the presence of surfactant excipients and how these interact with the natural bile salt surfactants. Interactions start in the mouth and during swallowing but the stomach and small intestine present the major challenges related to drug dissolution, solubility, the impact of surfactants and supersaturation along with precipitation. The behaviour of lipid based formulations and the influence of surfactant excipients is explored along with the difficulties of translating in vitro results to in vivo performance. Possible future research areas are highlighted with the conclusion that, "a great deal of work using modern methods is still required to clarify the situation". PMID- 27863991 TI - Applicability of the modified CHA2DS2-VASc score for stroke risk stratification in Caucasian atrial fibrillation patients. PMID- 27863990 TI - Cytochrome P450 enzymes but not NADPH oxidases are the source of the NADPH dependent lucigenin chemiluminescence in membrane assays. AB - : Measuring NADPH oxidase (Nox)-derived reactive oxygen species (ROS) in living tissues and cells is a constant challenge. All probes available display limitations regarding sensitivity, specificity or demand highly specialized detection techniques. In search for a presumably easy, versatile, sensitive and specific technique, numerous studies have used NADPH-stimulated assays in membrane fractions which have been suggested to reflect Nox activity. However, we previously found an unaltered activity with these assays in triple Nox knockout mouse (Nox1-Nox2-Nox4-/-) tissue and cells compared to wild type. Moreover, the high ROS production of intact cells overexpressing Nox enzymes could not be recapitulated in NADPH-stimulated membrane assays. Thus, the signal obtained in these assays has to derive from a source other than NADPH oxidases. Using a combination of native protein electrophoresis, NADPH-stimulated assays and mass spectrometry, mitochondrial proteins and cytochrome P450 were identified as possible source of the assay signal. Cells lacking functional mitochondrial complexes, however, displayed a normal activity in NADPH-stimulated membrane assays suggesting that mitochondrial oxidoreductases are unlikely sources of the signal. Microsomes overexpressing P450 reductase, cytochromes b5 and P450 generated a NADPH-dependent signal in assays utilizing lucigenin, L-012 and dihydroethidium (DHE). Knockout of the cytochrome P450 reductase by CRISPR/Cas9 technology (POR-/-) in HEK293 cells overexpressing Nox4 or Nox5 did not interfere with ROS production in intact cells. However, POR-/- abolished the signal in NADPH-stimulated assays using membrane fractions from the very same cells. Moreover, membranes of rat smooth muscle cells treated with angiotensin II showed an increased NADPH-dependent signal with lucigenin which was abolished by the knockout of POR but not by knockout of p22phox. IN CONCLUSION: the cytochrome P450 system accounts for the majority of the signal of Nox activity chemiluminescence based assays. PMID- 27863992 TI - Delirium: Time to climb this babylon tower. PMID- 27863993 TI - Association between Micronutrients Intake/Status and Carotid Intima Media Thickness: A Systematic Review. AB - BACKGROUND: Carotid intima media thickness (IMT) is a noninvasive marker of the extent and severity of subclinical atherosclerosis. Micronutrient intake may affect atherosclerosis and play a major role in the development of cardiovascular diseases (CVDs). OBJECTIVE: The primary aim of this review was to synthesize the evidence regarding the association between carotid IMT and selected micronutrients. METHOD: The authors searched PubMed, Cochrane, and EMBASE databases from inception to June 2016 for selected micronutrients, CVD, carotid IMT, and antioxidants. Thirty-five original studies met the inclusion criteria and were reviewed following preferred reporting items for systematic review and meta-analysis guidelines. RESULTS: Although not all studies found consistent results, the weight of the evidence suggests that high intakes and/or circulatory levels of magnesium, as well as vitamin D and the vitamin B group, may be associated with lower carotid IMT or reduced progression of carotid IMT. The majority of studies did not find any significant association between vitamin E and C and carotid IMT. Less evidence was available for associations of retinol, zinc, and iron with carotid IMT. CONCLUSIONS: In general, the current evidence concerning micronutrient intake and carotid IMT is largely inconclusive. Pragmatic clinical trials are required to determine whether dietary or supplemental intake of specific micronutrients alters carotid IMT, which is a surrogate measure of cardiovascular risk. PMID- 27863994 TI - Understanding the Physics of Functional Fibers in the Gastrointestinal Tract: An Evidence-Based Approach to Resolving Enduring Misconceptions about Insoluble and Soluble Fiber. AB - Enduring misconceptions about the physical effects of fiber in the gut have led to misunderstandings about the health benefits attributable to insoluble and soluble fiber. This review will focus on isolated functional fibers (eg, fiber supplements) whose effects on clinical outcomes have been readily assessed in well-controlled clinical studies. This review will also focus on three health benefits (cholesterol lowering, improved glycemic control, and normalizing stool form [constipation and diarrhea]) for which reproducible evidence of clinical efficacy has been published. In the small bowel, clinically meaningful health benefits (eg, cholesterol lowering and improved glycemic control) are highly correlated with the viscosity of soluble fibers: high viscosity fibers (eg, gel forming fibers such as b-glucan, psyllium, and raw guar gum) exhibit a significant effect on cholesterol lowering and improved glycemic control, whereas nonviscous soluble fibers (eg, inulin, fructooligosaccharides, and wheat dextrin) and insoluble fibers (eg, wheat bran) do not provide these viscosity-dependent health benefits. In the large bowel, there are only two mechanisms that drive a laxative effect: large/coarse insoluble fiber particles (eg, wheat bran) mechanically irritate the gut mucosa stimulating water and mucous secretion, and the high water-holding capacity of gel-forming soluble fiber (eg, psyllium) resists dehydration. Both mechanisms require that the fiber resist fermentation and remain relatively intact throughout the large bowel (ie, the fiber must be present in stool), and both mechanisms lead to increased stool water content, resulting in bulky/soft/easy-to-pass stools. Soluble fermentable fibers (eg, inulin, fructooligosaccharide, and wheat dextrin) do not provide a laxative effect, and some fibers can be constipating (eg, wheat dextrin and fine/smooth insoluble wheat bran particles). When making recommendations for a fiber supplement, it is essential to recognize which fibers possess the physical characteristics required to provide a beneficial health effect, and which fiber supplements are supported by reproducible, rigorous evidence of one or more clinically meaningful health benefits. PMID- 27863996 TI - Interventions to improve adherence to antiretroviral therapy: a systematic review and network meta-analysis. AB - BACKGROUND: High adherence to antiretroviral therapy is crucial to the success of HIV treatment. We evaluated comparative effectiveness of adherence interventions with the aim of informing the WHO's global guidance on interventions to increase adherence. METHODS: For this systematic review and network meta-analysis, we searched for randomised controlled trials of interventions that aimed to improve adherence to antiretroviral therapy regimens in populations with HIV. We searched Cochrane Central Register of Controlled Trials, Embase, and MEDLINE for reports published up to July 16, 2015, and searched major conference abstracts from Jan 1, 2013, to July 16, 2015. We extracted data from eligible studies for study characteristics, interventions, patients' characteristics at baseline, and outcomes for the study populations of interest. We used network meta-analyses to compare adherence and viral suppression for all study settings (global network) and for studies in low-income and middle-income countries only (LMIC network). FINDINGS: We obtained data from 85 trials with 16 271 participants. Short message service (SMS; text message) interventions were superior to standard of care in improving adherence in both the global network (odds ratio [OR] 1.48, 95% credible interval [CrI] 1.00-2.16) and in the LMIC network (1.49, 1.04-2.09). Multiple interventions showed generally superior adherence to single interventions, indicating additive effects. For viral suppression, only cognitive behavioural therapy (1.46, 1.05-2.12) and supporter interventions (1.28, 1.01 1.71) were superior to standard of care in the global network; none of the interventions improved viral response in the LMIC network. For the global network, the time discrepancy (whether the study outcome was measured during or after intervention was withdrawn) was an effect modifier for both adherence to antiretroviral therapy (coefficient estimate -0.43, 95% CrI -0.75 to -0.11) and viral suppression (-0.48; -0.84 to -0.12), suggesting that the effects of interventions wane over time. INTERPRETATION: Several interventions can improve adherence and viral suppression; generally, their estimated effects were modest and waned over time. FUNDING: WHO. PMID- 27863997 TI - A link between antiretrovirals and perinatal outcomes? PMID- 27863995 TI - Tumor-targeted delivery of sunitinib base enhances vaccine therapy for advanced melanoma by remodeling the tumor microenvironment. AB - Development of an effective treatment against advanced tumors remains a major challenge for cancer immunotherapy. We have previously developed a potent mannose modified lipid calcium phosphate (LCP) nanoparticle (NP)-based Trp2 vaccine for melanoma therapy, but because this vaccine can induce a potent anti-tumor immune response only during the early stages of melanoma, poor tumor growth inhibition has been observed in more advanced melanoma models, likely due to the development of an immune-suppressive tumor microenvironment (TME). To effectively treat this aggressive tumor, a multi-target receptor tyrosine kinase inhibitor, sunitinib base, was efficiently encapsulated into a targeted polymeric micelle nano delivery system (SUNb-PM), working in a synergistic manner with vaccine therapy in an advanced mouse melanoma model. SUNb-PM not only increased cytotoxic T-cell infiltration and decreased the number and percentage of MDSCs and Tregs in the TME, but also induced a shift in cytokine expression from Th2 to Th1 type while remodeling the tumor-associated fibroblasts, collagen, and blood vessels in the tumor. Additionally, inhibition of the Stat3 and AKT signaling pathways by SUNb PM may induce tumor cell apoptosis or decrease tumor immune evasion. Our findings indicated that targeted delivery of a tyrosine kinase inhibitor to tumors can be used in a novel synergistic way to enhance the therapeutic efficacy of existing immune-based therapies for advanced melanoma. PMID- 27863999 TI - Assessing progress with HIV incidence in national cohorts. PMID- 27863998 TI - Swaziland HIV Incidence Measurement Survey (SHIMS): a prospective national cohort study. AB - BACKGROUND: Swaziland has the highest national HIV prevalence worldwide. The Swaziland HIV Incidence Measurement Survey (SHIMS) provides the first national HIV incidence estimate based on prospectively observed HIV seroconversions. METHODS: A two-stage survey sampling design was used to select a nationally representative sample of men and women aged 18-49 years from 14 891 households in 575 enumeration areas in Swaziland, who underwent household-based counselling and rapid HIV testing during 2011. All individuals aged 18-49 years who resided or had slept in the household the night before and were willing to undergo home based HIV testing, answer demographic and behavioural questions in English or siSwati, and provide written informed consent were eligible for the study. We performed rapid HIV testing and assessed sociodemographic and behavioural characteristics with use of a questionnaire at baseline and, for HIV-seronegative individuals, 6 months later. We calculated HIV incidence with Poisson regression modelling as events per person-years * 100, and we assessed covariables as predictors with Cox proportional hazards modelling. Survey weighting was applied and all models used survey sampling methods. FINDINGS: Between Dec 10, 2010, and June 25, 2011, 11 897 HIV-seronegative adults were enrolled in SHIMS and 11 232 (94%) were re-tested. Of these, 145 HIV seroconversions were observed, resulting in a weighted HIV incidence of 2.4% (95% CI 2.1-2.8). Incidence was nearly twice as high in women (3.1%; 95% CI 2.6-3.7) as in men (1.7%; 1.3-2.1, p<0.0001). Among men, partner's HIV-positive status (adjusted hazard ratio [aHR] 2.67, 1.06 6.82, p=0.040) or unknown serostatus (aHR 4.64, 2.32-9.27, p<0.0001) in the past 6 months predicted HIV seroconversion. Among women, significant predictors included not being married (aHR 2.90, 1.44-5.84, p=0.0030), having a spouse who lives elsewhere (aHR 2.66, 1.29-5.45, p=0.0078), and having a partner in the past 6 months with unknown HIV status (aHR 2.87, 1.44-5.84, p=0.0030). INTERPRETATION: Swaziland has the highest national HIV incidence in the world. In high-prevalence countries, population-based incidence measures and programmes that further expand HIV testing and support disclosure of HIV status are needed. FUNDING: President's Emergency Plan for AIDS Relief (PEPFAR) by the Centers for Disease Control and Prevention. PMID- 27864000 TI - Timing of initiation of antiretroviral therapy and adverse pregnancy outcomes: a systematic review and meta-analysis. AB - BACKGROUND: Although lifelong combination antiretroviral therapy (ART) is recommended for all individuals with HIV, few data exist for pregnancy outcomes associated with ART initiation before conception. We assessed adverse pregnancy outcomes associated with ART initiated before conception compared with that of ART started after conception. METHODS: We did a systematic review of studies from low-income, middle-income, and high-income countries by searching the Cochrane Central Register of Controlled Trials, Embase, LILACS, MEDLINE, Toxline, Web of Knowledge, and WHO Global Index Medicus and trials in progress (International Clinical Trials Registry Platform) for randomised trials, quasi-randomised trials, and prospective cohort studies done between Jan 1, 1980, and June 1, 2016, in which timing of ART initiation in pregnant women living with HIV was reported. We used the risk ratio (RR) and corresponding 95% CIs as the primary measure to assess the association between the selected outcomes and ART initiation before conception versus after conception. We used a random-effects model to pool risk ratios. FINDINGS: We included 11 studies with 19 189 mother infant pairs. Women who started ART before conception were significantly more likely to deliver preterm (pooled RR 1.20, 95% CI 1.01-1.44) or very preterm (1.53, 1.22-1.92), or to have low-birthweight infants (1.30, 1.04-1.62) than were those who began ART after conception. Few data exist for neonatal mortality. The risk of very low birthweight, small for gestational age, severe small for gestational age, stillbirth, and congenital anomalies did not differ significantly between women who were taking ART before conception and those who began ART after conception. INTERPRETATION: The benefits of ART for maternal health and prevention of perinatal transmission outweigh risks, but data for the extent and severity of these risks are scarce and of low quality. As use of ART before conception rapidly increases globally, monitoring for potential adverse pregnancy outcomes will be crucial. FUNDING: WHO. PMID- 27864001 TI - Actionable adherence monitoring to optimise intervention. PMID- 27864002 TI - Gamma-tocotrienol reverses multidrug resistance of breast cancer cells with a mechanism distinct from that of atorvastatin. AB - In addition to its antioxidant properties, gamma-tocotrienol also has the ability to inhibit HMG-CoA reductase, which is the key enzyme in the mevalonate pathway for cholesterol biosynthesis. Statins, the competitive inhibitors of HMG-CoA reductase, display potent anticancer activity and reversal ability of multidrug resistance in a variety of tumor cells, which is believed to be due to their inhibition of HMG-CoA reductase. Here, we determined the role of the mevalonate pathway in gamma-tocotrienol-mediated reversal of multidrug resistance in cancer cells. We found both gamma-tocotrienol and atorvastatin effectively reversed multidrug resistance of MCF-7/Adr and markedly inhibited the intracellular levels of FPP and GGPP. Exogenous addition of mevalonate or FPP and GGPP almost completely prevented the reversal ability of atorvastatin but only partly attenuated the reversal effect of gamma-tocotrienol on doxorubicin resistance. In addition, gamma-tocotrienol actively inhibited the expression of P-gp and increased the accumulation of doxorubicin in cells, which led to the enhanced G2/M arrest and cell apoptosis. Taken together, gamma-tocotrienol reversed the multidrug resistance of MCF-7/Adr with a mechanism distinct from that of atorvastatin. Instead of the mevalonate pathway, the inhibition of P-gp expression is a potential mechanism by which gamma-tocotrienol reverses multidrug resistance in MCF-7/Adr. PMID- 27864003 TI - Novel screening system for high-affinity ligand of heredity vitamin D-resistant rickets-associated vitamin D receptor mutant R274L using bioluminescent sensor. AB - Hereditary vitamin D-resistant rickets (HVDRR) is caused by mutations in the vitamin D receptor (VDR) gene. Arg274 located in the ligand binding domain (LBD) of VDR is responsible for anchoring 1alpha,25-dihydroxyvitamin D3 (1alpha,25(OH)2D3) by forming a hydrogen bond with the 1alpha-hydroxyl group of 1alpha,25(OH)2D3. The Arg274Leu (R274L) mutation identified in patients with HVDRR causes a 1000-fold decrease in the affinity for 1alpha,25(OH)2D3, and dramatically reduces vitamin D- related gene expression. Recently, we successfully constructed fusion proteins consisting of split-luciferase and LBD of the VDR. The chimeric protein LucC-LBD-LucN, which displays the C-terminal domain of luciferase (LucC) at its N-terminus, can detect and discriminate between VDR agonists and antagonists. The LucC-LBD (R274L)-LucN was constructed to screen high-affinity ligands for the mutant VDR (R274L). Of the 33 vitamin D analogs, 5 showed much higher affinities for the mutant VDR (R274L) than 1alpha,25(OH)2D3, and 2alpha-[2-(tetrazol-2-yl)ethyl]-1alpha,25-(OH)2D3 showed the highest affinity. These compounds might be potential therapeutics for HVDRR caused by the mutant VDR (R274L). PMID- 27864004 TI - Beta adrenergic blockade and decompensated cirrhosis. AB - Non-selective betablockers (NSBBs) remain the cornerstone of medical treatment of portal hypertension. The evidence for their efficacy to prevent variceal bleeding is derived from prospective trials, which largely excluded patients with refractory ascites and renal failure. In parallel to the increasing knowledge on portal hypertension-induced changes in systemic hemodynamics, cardiac function, and renal perfusion, emerging studies have raised concerns about harmful effects of NSBBs. Clinicians are facing an ongoing controversy on the use of NSBBs in patients with advanced cirrhosis. On the one hand, NSBBs are effective in preventing variceal bleeding and might also have beneficial non-hemodynamic effects, however, they also potentially induce hypotension and limit the cardiac reserve. An individualized NSBB regimen tailored to the specific pathophysiological stage of cirrhosis might optimize patient management at this point. This article aims to give practical recommendations on the use of NSBBs in patients with decompensated cirrhosis. PMID- 27864005 TI - Changes in DTI parameters in the optic tracts of macaque monkeys with monocular blindness. AB - For humans and non-human primates, the alteration of the visual pathway's white matter fibers after visual deprivation has been partially explored. However, the changes in the optic tracts after the transection of the optic nerve have not been well characterized. In the current study, we attempted to investigate the differences in optic tracts between normal and unilateral optic nerve transected macaque monkeys using diffusion tensor imaging (DTI). Four healthy neonatal macaque monkeys were randomly divided into 2 groups, with 2 in each group. Group A served as a control group, and Group B underwent unilateral (right eye) optic nerve transection to produce monocular blindness. Sixteen months (Group B16M) and thirty-two months (Group B32M) after optic nerve transection, diffusion tensor imaging was performed on all monkeys. Then, we compared fractional anisotropy (FA), mean diffusivity (MD), axial diffusivity (AD) and radial diffusivity (RD) in bilateral optic tracts between Group A and Group B and between Group B16M and Group B32M. In both Group B16M and Group B32M, when compared with normal monkeys in Group A, FA was decreased and MD, AD and RD were increased in the bilateral optic tracts of monkeys with monocular blindness. Furthermore, compared with Group B16M, FA was reduced and MD, AD, RD were more obviously increased in the bilateral optic tracts of Group B32M, and noticeable differences in MD, AD and RD were found between the left and right optic tracts in group B32M. We believe that the results of this study would be helpful in investigation of the histological abnormalities of the integrity damage, axonal degeneration and demyelination of optic tracts in macaque monkeys with monocular blindness by DTI parameters in noninvasively and quantitatively. PMID- 27864006 TI - Corrections. PMID- 27864007 TI - Six generations of epidermolytic palmoplantar keratoderma, associated with a KRT9 R163W mutation. AB - Epidermolytic palmoplantar keratoderma (EPPK) is a rare autosomal dominant skin disorder characterized by diffuse hyperkeratosis on the palms and soles. Whole exome sequencing (WES) has become a powerful tool for the detection of rare causal variants of Mendelian disorders. However, no causal gene for EPPK in the Uygur population has been identified until now, and no treatment exists than can address the underlying pathology.WES analysis was undertaken on two individuals from a large Uygur EPPK pedigree whose disease locus mapped to 17q21.2 (chr:38994621-39893408) following previous linkage analysis. KRT9 (NM_000226.3:c.487C>T, p.Arg163Trp), and KRT15 (XM_005257346.1:c.212G>T, XP_005257403.1:p.Gly71Val) located in this region, have been identified as two candidate causative genes for EPPK in the Uygur family. Sanger sequencing was conducted on this region in other affected individuals (n = 38) from this family, non-affected individuals (n = 56) from this family and 100 unrelated controls. The missense mutation KRT9 c.487C>T, identified in this large Uygur population, is a potential causative mutation. To date, EPPK has no effective therapy, and siRNA is a potential avenue for EPPK therapy. To investigate this, full-length wild-type Keratin9 (KRT9; pKRT9-WT) and p.Arg163Trp (pKRT9-R163W) were then transfected into HaCaT cells. The small interfering RNAs targeting the KRT9 R163W mutant and wildtype KRT9 were transfected into HaCaT cells, and total RNA isolated at 72 h post-transfection. Quantitative polymerase chain reaction and western blotting were used to analyse the effects of knock-down on KRT9 mRNA and protein levels, respectively. siRNA was shown to specifically inhibit mutant KRT9 mRNA and protein expression (p < 0.01, with 95% confidence limits). Our study suggests that KRT9 is a causal gene for EPPK. This information is helpful for understanding the pathogenesis of EPPK in the Uygur population and raises the possibility of designing a novel siRNA treatment strategy for this population of EPPK patients. PMID- 27864009 TI - Evolutionary dynamics of triosephosphate isomerase gene intron location pattern in Metazoa: A new perspective on intron evolution in animals. AB - Intron evolution, including its dynamics in the evolutionary transitions and diversification of eukaryotes, remains elusive. Inadequate taxon sampling due to data shortage, unclear phylogenetic framework, and inappropriate outgroup application might be among the causes. Besides, the integrity of all the introns within a gene was often neglected previously. Taking advantage of the ancient conserved triosephosphate isomerase gene (tim), the relatively robust phylogeny of Metazoa, and choanoflagellates as outgroup, the evolutionary dynamics of tim intron location pattern (ILP) in Metazoa was investigated. From 133 representative species of ten phyla, 30 types of ILPs were identified. A most common one, which harbors the maximum six intron positions, is deduced to be the common ancestral tim ILP of Metazoa, which almost had formed in their protozoan ancestor and was surprisingly retained and passed down till to each ancestors of metazoan phyla. In the subsequent animal diversification, it underwent different evolutionary trajectories: within Deuterostomia, it was almost completely retained only with changes in a few species with relatively recently fast evolving histories, while within the rapidly radiating Protostomia, besides few but remarkable retention, it usually displayed extensive intron losses and a few gains. Therefore, a common ancestral exon-intron arrangement pattern of an animal gene is definitely discovered; besides the 'intron-rich view' of early animal genes being confirmed, the novel insight that high exon-intron re-arrangements of genes seem to be associated with the relatively recently rapid evolution of lineages/species/genomes but have no correlation with the ancient major evolutionary transitions in animal evolution, is revealed. PMID- 27864008 TI - Renal plasma flow (RPF) measured with multiple-inversion-time arterial spin labeling (ASL) and tracer kinetic analysis: Validation against a dynamic contrast enhancement method. AB - PURPOSE: To propose and validate a method for accurately quantifying renal plasma flow (RPF) with arterial spin labeling (ASL). MATERIALS AND METHODS: The proposed method employs a tracer-kinetic approach and derives perfusion from the slope of the ASL difference signal sampled at multiple inversion-times (TIs). To validate the method's accuracy, we performed a HIPAA-compliant and IRB-approved study with 15 subjects (9 male, 6 female; age range 24-73) to compare RPF estimates obtained from ASL to those from a more established dynamic contrast-enhanced (DCE) MRI method. We also investigated the impact of TI-sampling density on the accuracy of estimated RPF. RESULTS: Good agreement was found between ASL- and DCE-measured RPF, with a mean difference of 9+/-30ml/min and a correlation coefficient R=0.92 when ASL signals were acquired at 16 TIs and a mean difference of 9+/-57ml/min and R=0.81 when ASL signals were acquired at 5 TIs. RPF estimated from ASL signals acquired at only 2 TIs (400 and 1200ms) showed a low correlation with DCE measured values (R=0.30). CONCLUSION: The proposed ASL method is capable of measuring RPF with an accuracy that is comparable to DCE MRI. At least 5 TIs are recommended for the ASL acquisition to ensure reliability of RPF measurements. PMID- 27864010 TI - Differentially expressed genes in the testicular tissues of adenylyl cyclase 3 knockout mice. AB - Adenylate cyclase 3 (AC3) is an important component of the cyclic adenosine 3',5' monophosphate (cAMP) signaling pathway and converts adenosine triphosphate into cAMP. Male mice with AC3 deletion (AC3-/-) are sterile. However, the mechanical mechanism remains unclear. By TUNEL staining, we found that cell apoptosis in the testicular tissues of AC3-/- mice increased significantly compared with that in the wild-type (AC3+/+) mice. Differentially expressed genes regulated by AC3 in the testicular tissues were identified by gene chip hybridization. We observed that the expression of 693 genes was altered in the testicular tissues of AC3-/- mice, including 330 up-regulated and 363 down-regulated gene expression with fold changes higher than 2 (>=2) as the standards. Furthermore, part of these differentially expressed genes was verified by the real-time fluorescence quantification PCR and immunofluorescent staining. The expression levels of the genes related to olfactory receptors, cell apoptosis, transcriptional activity, defensive reaction, cell adhesion, cell death, and immunoreactions were significantly altered in the testicular tissues of AC3-/- mice compared with AC3+/+ mice. In addition, the corresponding Ca2+, cAMP, and cell adhesion signaling pathways, as well as the signaling pathways related to axon guidance and cell interaction, were altered significantly in the AC3-/- mice. These data would help elucidate the general understanding of the mechanisms underlying the sterility in AC3-/- male mice. PMID- 27864011 TI - Molecular characterization of Candida isolates from intensive care unit patients, Krakow, Poland. AB - BACKGROUND: Over the last decades, Candida species have emerged as important pathogens in immunocompromised patients. Nosocomial infections are mainly of endogenous origin. Nevertheless, some cases of exogenous candidiasis have also been reported. AIMS: The aim of this study was to evaluate the genetic relatedness between Candida albicans, Candida glabrata, Candida tropicalis, Candida krusei and Candida kefyr isolates recovered from intensive care unit (ICU) patients. METHODS: A total of 132 Candida clinical isolates (62 C. albicans, 40 C. glabrata, 13 C. tropicalis, 11 C. krusei, 6 C. kefyr), obtained from specimens of endotracheal aspirate, urine and blood taken from patients of a tertiary hospital in Poland, were included in the study. Species identification was performed by PCR method and genetic relatedness was assessed by randomly amplified polymorphic DNA assay (RAPD) with five primers. RESULTS: The RAPD analysis revealed high genetic diversity among the studied Candida isolates, indicating that most of the strains were from endogenous sources. Only two clonal strains of C. glabrata isolated from different patients were observed, suggesting a possible cross-transmission of these pathogens. CONCLUSIONS: Our study confirmed the high discriminatory power of the RAPD assay. This genotyping method can be applied to local epidemiological studies of Candida species. PMID- 27864012 TI - Toolbox of multiple-item measures aligning with the ICF Core Sets for children and youth with cerebral palsy. AB - Selecting appropriate measure(s) for clinical and/or research applications for children and youth with Cerebral Palsy (CP) poses many challenges. The newly developed International Classification of Functioning, Disability and Health (ICF) Core Sets for children and youth with CP serve as universal guidelines for assessment, intervention and follow-up. The aims of this study were: 1) to identify valid and reliable measures used in studies with children and youth with CP, 2) to characterize the content of each measure using the ICF Core Sets for children and youth with CP as a framework, and finally 3) to create a toolbox of psychometrically sound measures covering the content of each ICF Core Set for children and youth with CP. All clearly defined multiple-item measures used in studies with CP between 1998 and 2015 were identified. Psychometric properties were extracted when available. Construct of the measures were linked to the ICF Core Sets. Overall, 83 multiple-item measures were identified. Of these, 68 measures (80%) included reliability and validity testing. The majority of the measures were discriminative, generic and designed for school-aged children. The degree to which measures with proven psychometric properties represented the ICF Core Sets for children and youth with CP varied considerably. Finally, 25 valid and reliable measures aligned highly with the content of the ICF Core Sets, and as such, these measures are proposed as a novel ICF Core Sets-based toolbox of measures for CP. Our results will guide professionals seeking appropriate measures to meet their research and clinical needs worldwide. PMID- 27864013 TI - Factors predictive of response, disease progression, and overall survival after dabrafenib and trametinib combination treatment: a pooled analysis of individual patient data from randomised trials. AB - BACKGROUND: Dabrafenib plus trametinib treatment provides significant benefits over BRAF-inhibitor monotherapy in patients with BRAFV600E-mutant or BRAFV600K mutant advanced melanoma; however, in many patients the disease progresses, leading to death. With many treatment options available, understanding clinical factors that predict long-term response and survival for treatments is important for optimisation of patient management. We aimed to identify clinical factors associated with long-term response and survival using pooled data from randomised trials of dabrafenib plus trametinib in patients with metastatic BRAF-mutant melanoma. METHODS: We did a retrospective individual data analysis based on all published randomised trials that included treatment-naive patients with BRAFV600E mutant or BRAFV600K-mutant metastatic melanoma who received the approved dose of dabrafenib 150 mg twice daily plus trametinib 2 mg once daily. Data were pooled from patients in the BRF113220 (part C; March 26, 2010, to Jan 15, 2015), COMBI-d (May 4, 2012, to Jan 12, 2015), and COMBI-v (June 4, 2012, to March 13, 2015) randomised trials. Patients with untreated brain metastases were not permitted to enrol in these trials. Baseline factors, identified a priori based on known melanoma clinical or prognostic characteristics, were analysed for association with progression-free survival and overall survival using univariate and multivariate analyses and assessed for hierarchical effect on outcomes using regression tree analyses. We also analysed factors identified after baseline, on treatment, and at progression, for associations with survival after progression. The trials included in this analysis are registered with ClinicalTrials.gov: BRF113220, number NCT01072175; COMBI-d, number NCT01584648; COMBI-v, number NCT01597908. FINDINGS: 617 patients were included in this analysis with a median follow-up of 20.0 months (range 0-48.0, IQR 10.1-24.8); 396 patients had progression events (ie, disease progression or death) and 290 patients had died. Median progression-free survival (11.1 months [95% CI 9.7-12.9]), median overall survival (25.6 months [23.1-34.3]), 1-year progression-free survival (48% [44 52]) and overall survival (74% [71-78]), and 2-year progression-free survival (30% [26-34]) and overall survival (53% [49-57]) were consistent with those in the individual trials. Patients with normal lactate dehydrogenase (LDH) concentration and fewer than three organ sites containing metastases (n=237) had the longest 1-year progression-free survival (68% [95% CI 62-74]) and overall survival (90% [87-94]) and 2-year progression-free survival (46% [40-54]) and overall survival (75% [70-81]), whereas patients with LDH concentration at least two times the upper limit of normal (n=70) had the shortest 1-year progression free survival (8% [3-19]) and overall survival (40% [29-55]) and 2-year progression-free survival (2% [0-13]) and overall survival (7% [3-19]). Of patients with disease progression (n=379), survival after progression was longest in those with progression in baseline or new non-CNS lesions (n=205; median 10.0 months [95% CI 7.9-12.0]) and shortest in those with new CNS lesions or concurrent progression in baseline and new lesions (n=171; median 4.0 months [3.5 4.9]). INTERPRETATION: Several patient and clinical characteristics at and after baseline are associated with outcomes with dabrafenib plus trametinib, and durable benefit is possible with targeted treatment in defined patient subsets. FUNDING: Novartis. PMID- 27864014 TI - Challenges of data sharing: valuable but costly? PMID- 27864016 TI - Generation of antigen-specific cytotoxic T lymphocytes with activated B cells. AB - BACKGROUND AIMS: Dendritic cells are well known as the most potent antigen presenting cells. Nonetheless, their use in immunotherapy has been limited by the time-consuming and laborious steps involved in their generation in vitro. Therefore, much attention has been placed on alternative antigen-presenting cells that are relatively more convenient to manipulate. METHODS: In this study, the efficacy of B cells as antigen-presenting cells, compared with dendritic cells, in the induction of cytotoxic T lymphocytes against cytomegalovirus-specific antigens was evaluated. B cells were isolated from the peripheral blood mononuclear cells of healthy individuals, loaded with alpha-galactosylceramide for activation, and nucleofected with cytomegalovirus-antigen coding plasmid DNA. Antigen-nucleofected B cells or dendritic cells were cocultured with T cells for 14 days in vitro. RESULTS: The proliferation of cytotoxic T lymphocytes induced by B cells was similar to that of those induced by dendritic cells. Additionally, the immunogenicity of both sets of cytotoxic T lymphocytes was similar not only in interferon-gamma enzyme-linked immunospot assays but also in cytotoxicity assays. DISCUSSION: These observations suggest that alpha-galactosylceramide loaded B cells could be used as antigen-presenting cells as an alternative to dendritic cells. Using B cells has several benefits, including cost-effectiveness and being both less time-consuming and less labor-intensive. PMID- 27864017 TI - Value-added products from dairy waste using edible fungi. PMID- 27864018 TI - Synthesis and biological evaluation of novel 3-O-tethered triazoles of diosgenin as potent antiproliferative agents. AB - Diosgenin, a promising anticancer steroidal sapogenin, was isolated from Dioscorea deltoidea. Keeping its stereochemistry rich architecture intact, a scheme for the synthesis of novel diosgenin analogues was designed using Cu (I) catalysed alkyne-azide cycloaddition in order to study their structure-activity relationship. Both diosgenin and its analogues exhibited interesting anti proliferative effect against four human cancer cell lines viz. HBL-100 (breast), A549 (lung), HT-29 (colon) and HCT-116 (colon) using [3-(4,5-dimethylthiazolyl-2) 2,5-diphenyltetrazoliumbromide] (MTT) assay. Among the synthesized analogues, Dgn 1 bearing a simple phenyl R moiety attached via triazole to the parent molecule was identified as the most potent analogue against A549 cancer cell line having IC50 of 5.54MUM, better than the positive control (BEZ-235). Dgn-2 and Dgn-5 bearing o-nitrophenyl and o-cyanophenyl R moieties respectively, displayed impressive anti-proliferative activity against all the tested human cancer cell lines with IC50 values ranging from 5.77 to 9.44MUM. The structure-activity relationship (SAR) revealed that the analogues with simple phenyl R moiety or electron withdrawing ortho substituted R moieties seem to have beneficial impact on the anti-proliferative activity. PMID- 27864019 TI - Bioconversion of 6-(N-methyl-N-phenyl)aminomethyl androstane steroids by Nocardioides simplex. AB - The newly synthesized (alpha/beta)-diastereomers of 6-(N-methyl-N phenyl)aminomethylandrost-4-ene-3,17-dione (5) and 6-(N-methyl-N phenyl)aminomethylandrost-4-en-17beta-ol-3-one (6) were firstly investigated as substrates for the whole cells of Nocardioides simplex VKM Ac-2033D in comparison with their unsubstituted analogs, - androst-4-ene-3,17-dione (1) and androst-4-en 17beta-ol-3-one (2). 1(2)-Dehydroderivatives were identified as the major bioconversion products from all the substrates tested. When using the mixtures of (alpha/beta)-stereoisomers of 5 and 6 as the substrates, only beta-stereoisomers of the corresponding 1,4-diene-steroids were formed. Along with 1(2) dehydrogenation, N. simplex VKM Ac-2033D promoted oxidation of the hydroxyl group at C-17 position of 6: both 6(alpha) and 6(beta) were transformed to the corresponding 17-keto derivatives. No steroid core destruction was observed during the conversion of the 6-substituted androstanes 5 and 6, while it was significant when 1 or 2 was used as the substrate. The results suggested high potentials of N. simplex VKM Ac-2033D for the generation of novel 1(2) dehydroanalogs. PMID- 27864020 TI - Regio- and stereoselective reduction of 17-oxosteroids to 17beta-hydroxysteroids by a yeast strain Zygowilliopsis sp. WY7905. AB - The reduction of 17-oxosteroids to 17beta-hydroxysteroids is one of the important transformations for the preparation of many steroidal drugs and intermediates. The strain Zygowilliopsis sp. WY7905 was found to catalyze the reduction of C-17 carbonyl group of androst-4-ene-3,17-dione (AD) to give testosterone (TS) as the sole product by the constitutive 17beta-hydroxysteroid dehydrogenase (17beta HSD). The optimal conditions for the reduction were pH 8.0 and 30 degrees C with supplementing 10g/l glucose and 1% Tween 80 (w/v). Under the optimized transformation conditions, 0.75g/l AD was reduced to a single product TS with >90% yield and >99% diastereomeric excess (de) within 24h. This strain also reduced other 17-oxosteroids such as estrone, 3beta-hydroxyandrost-5-en-17-one and norandrostenedione, to give the corresponding 17beta-hydroxysteroids, while the C-3 and C-20 carbonyl groups were intact. The absence of by-products in this microbial 17beta-reduction would facilitate the product purification. As such, the strain might serve as a useful biocatalyst for this important transformation. PMID- 27864021 TI - Trio approach reveals higher risk of PD in carriers of severe vs. mild GBA mutations. AB - Heterozygote GBA (glucosylceramidase beta) mutations increase the risk of Parkinson's disease (PD). Data based on the measured frequencies of GBA mutated alleles in the healthy population suggest that severe GBA mutations are associated with even higher risk for PD. These data, however, are prone to methodological biases resulting from the rarity of severe mutations and from ethnic-dependent differences in allele frequencies. To overcome these biases, we traced 13 Gaucher disease (GD) patients who were compound heterozygotes for one mild (N370S) and one severe GBA mutation and who reported a parent with PD. We determined the GBA mutation status of all parents and examined them whenever possible. While 50% of the parents carried a mild GBA mutation, we hypothesized that PD cases would be more likely to carry a severe mutation. We found that 10/13 PD parents had a severe mutation and only 3/10 carried a mild mutation (binomial test P<0.05). Using an unbiased methodology, we show that carriers of severe GBA mutations are at higher risk for PD relative to carriers of the mild mutations. PMID- 27864015 TI - Prediction of overall survival for patients with metastatic castration-resistant prostate cancer: development of a prognostic model through a crowdsourced challenge with open clinical trial data. AB - BACKGROUND: Improvements to prognostic models in metastatic castration-resistant prostate cancer have the potential to augment clinical trial design and guide treatment strategies. In partnership with Project Data Sphere, a not-for-profit initiative allowing data from cancer clinical trials to be shared broadly with researchers, we designed an open-data, crowdsourced, DREAM (Dialogue for Reverse Engineering Assessments and Methods) challenge to not only identify a better prognostic model for prediction of survival in patients with metastatic castration-resistant prostate cancer but also engage a community of international data scientists to study this disease. METHODS: Data from the comparator arms of four phase 3 clinical trials in first-line metastatic castration-resistant prostate cancer were obtained from Project Data Sphere, comprising 476 patients treated with docetaxel and prednisone from the ASCENT2 trial, 526 patients treated with docetaxel, prednisone, and placebo in the MAINSAIL trial, 598 patients treated with docetaxel, prednisone or prednisolone, and placebo in the VENICE trial, and 470 patients treated with docetaxel and placebo in the ENTHUSE 33 trial. Datasets consisting of more than 150 clinical variables were curated centrally, including demographics, laboratory values, medical history, lesion sites, and previous treatments. Data from ASCENT2, MAINSAIL, and VENICE were released publicly to be used as training data to predict the outcome of interest namely, overall survival. Clinical data were also released for ENTHUSE 33, but data for outcome variables (overall survival and event status) were hidden from the challenge participants so that ENTHUSE 33 could be used for independent validation. Methods were evaluated using the integrated time-dependent area under the curve (iAUC). The reference model, based on eight clinical variables and a penalised Cox proportional-hazards model, was used to compare method performance. Further validation was done using data from a fifth trial-ENTHUSE M1-in which 266 patients with metastatic castration-resistant prostate cancer were treated with placebo alone. FINDINGS: 50 independent methods were developed to predict overall survival and were evaluated through the DREAM challenge. The top performer was based on an ensemble of penalised Cox regression models (ePCR), which uniquely identified predictive interaction effects with immune biomarkers and markers of hepatic and renal function. Overall, ePCR outperformed all other methods (iAUC 0.791; Bayes factor >5) and surpassed the reference model (iAUC 0.743; Bayes factor >20). Both the ePCR model and reference models stratified patients in the ENTHUSE 33 trial into high-risk and low-risk groups with significantly different overall survival (ePCR: hazard ratio 3.32, 95% CI 2.39-4.62, p<0.0001; reference model: 2.56, 1.85-3.53, p<0.0001). The new model was validated further on the ENTHUSE M1 cohort with similarly high performance (iAUC 0.768). Meta-analysis across all methods confirmed previously identified predictive clinical variables and revealed aspartate aminotransferase as an important, albeit previously under reported, prognostic biomarker. INTERPRETATION: Novel prognostic factors were delineated, and the assessment of 50 methods developed by independent international teams establishes a benchmark for development of methods in the future. The results of this effort show that data-sharing, when combined with a crowdsourced challenge, is a robust and powerful framework to develop new prognostic models in advanced prostate cancer. FUNDING: Sanofi US Services, Project Data Sphere. PMID- 27864022 TI - Shikonin inhibits gefitinib-resistant non-small cell lung cancer by inhibiting TrxR and activating the EGFR proteasomal degradation pathway. AB - Non-small cell lung cancer (NSCLC) is the dominant type of lung cancer. Molecular targeting has highly improved the treatment efficacy of lung cancer, but new challenges have emerged, such as gefitinib-resistance and cancer recurrence. Therefore, new chemotherapeutic agents and treatment strategies are urgently needed. Shikonin is the main active component of a Chinese medicinal plant 'Zi Cao', which has been shown to exhibit powerful anti-cancer activity in certain types of cancer; however, its activity in gefitinib-resistant lung cancer has never been addressed. In this study, we used a high-throughput screening assay for epidermal growth factor receptor (EGFR) inhibitors and discovered that Shikonin is a potent inhibitor of EGFR. The cytotoxicity of Shikonin and its anti cancer mechanism in NSCLC was deeply explored. Shikonin exhibited selective cytotoxicity among two NSCLC cell lines (H1975 and H1650) and one normal lung fibroblast cell line (CCD-19LU). Shikonin significantly increased the activity of caspases and poly (ADP-ribosyl) polymerase (PARP), which are indicators of apoptosis, and the intensity of ROS by greater than 10-fold. NAC, an inhibitor of ROS, completely blocked apoptosis, caspase and PARP activation induced by Shikonin. Shikonin remarkably suppressed the phosphorylation of EGFR and led to EGFR degradation. The enhancement of ROS generation in H1650 and H1975 gefitinib resistant NSCLC cells leads to impairment of growth and induction of apoptosis, whereas modulation of EGFR degradation and its downstream signalling pathways by Shikonin contributes to its anti-tumour properties in H1975 gefitinib-resistant NSCLC cells (with T790M and L858R activating mutations). Shikonin-induced cell apoptosis is closely associated with ROS elevation in the cells. These findings indicate that Shikonin can be an effective small molecule treating gefitinib resistant NSCLC. PMID- 27864023 TI - Association of ORAI1 gene polymorphisms with chronic spontaneous urticaria and the efficacy of the nonsedating H1 antihistamine desloratadine. PMID- 27864025 TI - Heterotaxy syndrome with and without spleen: Different infection risk and management. PMID- 27864024 TI - Efficacy and safety of the SQ house dust mite sublingual immunotherapy tablet in Japanese adults and adolescents with house dust mite-induced allergic rhinitis. AB - BACKGROUND: The SQ house dust mite (HDM) sublingual immunotherapy (SLIT) tablet has been approved in 11 European countries and Japan for patients with HDM induced respiratory allergic disease. OBJECTIVE: This trial was conducted to confirm the efficacy and safety of the SQ HDM SLIT tablet in Japanese patients with moderate-to-severe HDM-induced allergic rhinitis (AR). METHODS: The trial was a randomized, double-blind, placebo-controlled trial including 946 Japanese adults and adolescents (12-64 years). Subjects were randomly assigned to daily treatment with the SQ HDM SLIT tablet at a dose of 10,000 Japanese allergy units (JAU) or 20,000 JAU or to placebo (1:1:1). The primary end point was the total combined rhinitis score (TCRS), which is composed of AR symptom and medication scores during the efficacy evaluation period. Symptom and medication scores of AR and conjunctivitis, rhinitis quality of life, and symptom-free and symptom-severe days were evaluated as secondary end points. RESULTS: Analysis of the primary end point demonstrated statistically significant reductions in TCRSs of 1.15 (22%, P < .001) in the 10,000-JAU group and 0.99 (19%, P < .001) in the 20,000-JAU group compared with the placebo group. The statistically significant treatment effect was evident from 12 weeks of treatment onward. All secondary end points, except AR medication score, were statistically significant in favor of active treatment compared with placebo. Post hoc analysis of TCRSs in adolescents showed the same efficacy as in adults (P < .05). The treatment was well tolerated by both adults and adolescents. CONCLUSION: The trial confirmed the efficacy and safety profile of the SQ HDM SLIT tablet in Japanese adult and adolescent patients with moderate to-severe HDM-induced AR. These data support the robust efficacy and safety profile of previously reported European data. PMID- 27864026 TI - B cells differentiate in human thymus and express AIRE. PMID- 27864027 TI - Patterns of neural activity predict picture-naming performance of a patient with chronic aphasia. AB - Naming objects represents a substantial challenge for patients with chronic aphasia. This could be in part because the reorganized compensatory language networks of persons with aphasia may be less stable than the intact language systems of healthy individuals. Here, we hypothesized that the degree of stability would be instantiated by spatially differential neural patterns rather than either increased or diminished amplitudes of neural activity within a putative compensatory language system. We recruited a chronic aphasic patient (KL; 66 year-old male) who exhibited a semantic deficit (e.g., often said "milk" for "cow" and "pillow" for "blanket"). Over the course of four behavioral sessions involving a naming task performed in a mock scanner, we identified visual objects that yielded an approximately 50% success rate. We then conducted two fMRI sessions in which the patient performed a naming task for multiple exemplars of those objects. Multivoxel pattern analysis (MVPA) searchlight revealed differential activity patterns associated with correct and incorrect trials throughout intact brain regions. The most robust and largest cluster was found in the right occipito-temporal cortex encompassing fusiform cortex, lateral occipital cortex (LOC), and middle occipital cortex, which may account for the patient's propensity for semantic naming errors. None of these areas were found by a conventional univariate analysis. By using an alternative approach, we extend current evidence for compensatory naming processes that operate through spatially differential patterns within the reorganized language system. PMID- 27864029 TI - Time-frequency phase-synchrony approaches with ERPs. AB - Time-frequency signal processing approaches are well-developed, and have been widely employed for the study of the energy distribution of event-related potential (ERP) data across time and frequency. Wavelet time-frequency transform (TFT) and Cohen's class of time-frequency distributions (TFD) are the most widely used in the field. While ERP TFT approaches have been most extensively developed for amplitude measures, reflecting the magnitude of regional neuronal activity, time-frequency phase-synchrony measures have gained increased utility in recent years for the assessment of functional connectivity. Phase synchrony measures can be used to index the functional integration between regions (interregional), in addition to the consistency of activity within region (intertrial). In this paper, we focus on a particular class of time-frequency distributions belonging to Cohen's class, known as the Reduced Interference Distribution (RID) for quantifying functional connectivity, which we recently introduced (Aviyente et al., 2011). The present report first summarizes common time-frequency approaches to computing phase-synchrony with ERP data in order to highlight the similarities and differences relative to the RID. In previous work, we demonstrated differences between the RID and wavelet approaches to indexing phase-synchrony, and have applied the RID to demonstrate that RID-based time-frequency phase synchrony measures can index increased functional connectivity between medial and lateral prefrontal regions during control processing, observed in the theta band during the error-related negativity (ERN). Because ERN amplitude measures have been associated with two other widely studied medial-frontal theta components (no go N2; feedback negativity, FN), the application of the RID phase synchrony measure in the present report extends our previous work with ERN to include theta activity during the no-go N2 (inhibitory processing) and the feedback negativity (FN; loss feedback processing). Findings support the idea that similar medial lateral prefrontal functional connectivity underlies the ERN, no-go N2, and FN components, and provide initial validation that the proposed RID-based time frequency phase-synchrony measure can index this activity. PMID- 27864028 TI - Anti-TNF therapy is able to stabilize bowel damage progression in patients with Crohn's disease. A study performed using the Lemann Index. AB - AIMS: The Lemann Index (LI) was developed to assess the cumulative structural damage of the intestinal tract in patients with Crohn's Disease (CD) independently of clinical and biochemical activity. Recently, the goal of CD focused on obtaining mucosal healing and deep remission rather than simple symptom control. These new therapeutic aims emphasize the need to prevent progression of bowel damage. In this study we aimed to evaluate the influence of different treatments on structural damage progression, assessed by means of LI in a series of CD patients consistently treated with various drugs. METHODS: The LI was calculated at inclusion and at the end of follow-up in 104 CD patients subdivided according to treatments received: biological drugs (n=40, 38.4%), azathioprine (n=19, 18.3%), and mesalazine (n=45, 43.3%). RESULTS: The median follow-up was 29 months, with no difference among groups. During follow-up, the median LI was stable in the biological group [from 6.3 (range, 0.6-37.3) to 6.4 (range, 0.6-37.6), P=0.543], whereas it significantly increased from 4.1 (range, 0.6-30) to 8.3 (range, 0.6-31.8) in the azathioprine group (P=0.0006), and from 2.4 (range, 0.6-25.8) to 4.1 (range, 0.6-28.8) in the mesalazine group (P<0.0001). Also during follow-up the LI increased significantly (P=0.004) in the azathioprine (68.4%) and mesalazine (60.0%) groups as compared with the biological therapy group (30.0%). CONCLUSIONS: In CD patients the LI tends to increase over time, although the use of biological drugs rather than azathioprine or mesalazine seems to be able to reduce the progressive bowel damage. PMID- 27864031 TI - Fractional CO2 Laser Treatment of the Vestibule for Patients with Vestibulodynia and Genitourinary Syndrome of Menopause: A Pilot Study. AB - INTRODUCTION: Chronic vulvar pain and burning remains one of the most perplexing problems faced by practicing gynecologists. AIM: To evaluate the effectiveness and safety of the application of micro-ablative fractional CO2 laser to the vulvar vestibule in the management of patients with vulvar pain from vestibulodynia or genitourinary syndrome of menopause. METHODS: Patients (N = 70) underwent fractional micro-ablative CO2 laser treatment for vestibular pain plus vestibulodynia (n = 37) or genitourinary syndrome of menopause (n = 33). Inclusion criteria were the existence of vestibular atrophic changes and the absence of moderate or severe pelvic floor hypertonic dysfunction. MAIN OUTCOME MEASURES: A visual analog scale of pain and the Marinoff score of dyspareunia were chosen to evaluate improvement. Grading of vestibular health also was quantified using a four-point scoring system (0 = no atrophy, 3 = severe atrophy). Data were collected at baseline, at weeks 4, 8, and 12, and 4 months after the final treatment. RESULTS: For visual analog scale and dyspareunia scoring and for the overall vestibular health index scoring, statistically significant improvement was noted after three sessions of vestibular fractional CO2 laser treatment. Improvement gradually increased throughout the study period and was maintained through the 4-month follow-up visit. There was no statistically significant difference in outcomes between the two study groups. No adverse events from fractional CO2 laser treatment were noted. Overall, 67.6% of patients stated significant improvement from the laser procedure. CONCLUSION: This preliminary case series showed encouraging results using fractional CO2 laser treatment of the vestibule in women with vestibulodynia and genitourinary syndrome of menopause. PMID- 27864030 TI - Incident Heart Failure and Cognitive Decline: The Atherosclerosis Risk in Communities Study. AB - BACKGROUND: Cognitive impairment is found in a significant proportion of patients with heart failure (HF). Although cognitive impairment may be a consequence of HF, early signs of cognitive impairment may also indicate subclinical vascular disease, and thus a risk factor for future cardiovascular events. METHODS AND RESULTS: The Atherosclerosis Risk in Communities Study is a prospective cohort study of the development of atherosclerosis. Cox proportional hazards regression was used to examine the association between mean 6-year change in cognitive function and incident HF in 7962 white and 1933 African-American men and women aged 46 to 70 years and free of clinical stroke. Scores were obtained for the Delayed Word Recall Test, the Digit Symbol Substitution Test (DSST), and the Word Fluency Test. There was a significantly increased risk of developing HF during the mean 12.6-year follow-up period after adjustment for age, gender, race, and education for those in the quartile with the greatest decline in DSST scores (hazard ratio [HR] = 1.17, P = .009), and in the quartile with the lowest baseline DSST scores (HR = 1.43, P < .001). CONCLUSIONS: The results suggest that relatively low performance on a test of information processing speed may serve as an indicator of HF risk in middle age. PMID- 27864033 TI - Bronchiectasis: shaking off its orphan status. PMID- 27864032 TI - alpha1A-Adrenergic Receptor Antagonism Improves Erectile and Cavernosal Responses in Rats With Cavernous Nerve Injury and Enhances Neurogenic Responses in Human Corpus Cavernosum From Patients With Erectile Dysfunction Secondary to Radical Prostatectomy. AB - INTRODUCTION: Cavernous nerve injury (CNI) in rats and radical prostatectomy (RP) in men result in loss of nitrergic function and increased adrenergic-neurogenic contractions of cavernosal tissue. AIM: To evaluate the modulation of the alpha adrenergic system as a strategy to relieve erectile dysfunction (ED) and functional cavernosal alterations induced by CNI. METHODS: A non-selective alpha blocker (phentolamine 1 mg/kg daily), a selective alpha1A-blocker (silodosin [SILOD] 0.1 mg/kg daily), or vehicle was orally administered for 4 weeks after bilateral crush CNI (BCNI). Erectile and neurogenic responses of the corpus cavernosum (CC) were evaluated. The acute effects of SILOD also were evaluated in vivo (0.03 mg/kg intravenously) and ex vivo (10 nmol/L). The effects of SILOD and tadalafil (TAD) on nitrergic relaxations were determined in human CC from patients with ED with a vascular etiology or ED secondary to RP. MAIN OUTCOME MEASURES: Erectile responses in vivo in rats and neurogenic contractions and relaxations of rat and human CC. RESULTS: Long-term treatment with SILOD significantly improved erectile responses and allowed for the potentiation of erectile responses by acute treatment with TAD (0.3 mg/kg intravenously) in rats with BCNI. SILOD partly recovered nitrergic relaxations and normalized neurogenic contractions in CC from rats with BCNI. Long-term treatment with SILOD partly prevented BCNI-induced decreases in neuronal nitric oxide synthase expression. Acute administration of SILOD (0.03 mg/kg intravenously) improved erectile responses in vivo and potentiated nitrergic relaxation and decreased neurogenic contractions ex vivo in CC from rats with BCNI. In human CC from patients with ED with a vascular etiology, TAD (30 nmol/L), SILOD (10 nmol/L), or their combination increased nitrergic relaxations. Potentiation by TAD was lost in human CC from patients with ED after RP but was recovered after co-treatment with SILOD. CONCLUSION: alpha-Adrenergic modulation, especially selective alpha1A blockade, improves erectile and cavernosal functions after BCNI. Modulation of the adrenergic system, mainly in combination strategies, could have a role in the management of ED after RP. PMID- 27864034 TI - 2016 CHEST annual meeting. PMID- 27864035 TI - 47th Union World Conference on Lung Health. PMID- 27864036 TI - Comorbidities and the risk of mortality in patients with bronchiectasis: an international multicentre cohort study. AB - BACKGROUND: Patients with bronchiectasis often have concurrent comorbidities, but the nature, prevalence, and impact of these comorbidities on disease severity and outcome are poorly understood. We aimed to investigate comorbidities in patients with bronchiectasis and establish their prognostic value on disease severity and mortality rate. METHODS: An international multicentre cohort analysis of outpatients with bronchiectasis from four European centres followed up for 5 years was done for score derivation. Eligible patients were those with bronchiectasis confirmed by high-resolution CT and a compatible clinical history. Comorbidity diagnoses were based on standardised definitions and were obtained from full review of paper and electronic medical records, prescriptions, and investigator definitions. Weibull parametric survival analysis was used to model the prediction of the 5 year mortality rate to construct the Bronchiectasis Aetiology Comorbidity Index (BACI). We tested the BACI as a predictor of outcomes and explored whether the BACI added further prognostic information when used alongside the Bronchiectasis Severity Index (BSI). The BACI was validated in two independent international cohorts from the UK and Serbia. FINDINGS: Between June 1, 2006, and Nov 22, 2013, 1340 patients with bronchiectasis were screened and 986 patients were analysed. Patients had a median of four comorbidities (IQR 2-6; range 0-20). 13 comorbidities independently predicting mortality rate were integrated into the BACI. The overall hazard ratio for death conferred by a one point increase in the BACI was 1.18 (95% CI 1.14-1.23; p<0.0001). The BACI predicted 5 year mortality rate, hospital admissions, exacerbations, and health related quality of life across all BSI risk strata (p<0.0001 for mortality and hospital admissions, p=0.03 for exacerbations, p=0.0008 for quality of life). When used in conjunction with the BSI, the combined model was superior to either model alone (p=0.01 for combined vs BACI; p=0.008 for combined vs BSI). INTERPRETATION: Multimorbidity is frequent in bronchiectasis and can negatively affect survival. The BACI complements the BSI in the assessment and prediction of mortality and disease outcomes in patients with bronchiectasis. FUNDING: European Bronchiectasis Network (EMBARC). PMID- 27864037 TI - Early monitoring and quantitative evaluation of macrophage infiltration after experimental traumatic brain injury: A magnetic resonance imaging and flow cytometric analysis. AB - The inflammatory response following traumatic brain injury (TBI) is regulated by phagocytic cells. These cells comprising resident microglia and infiltrating macrophages play a pivotal role in the interface between early detrimental and delayed beneficial effects of inflammation. The aim of the present study was to monitor the early effect of monocyte/phagocytic accumulation and further to explore its kinetics in TBI mice. Localized macrophage population was monitored using ultrasmall superparamagnetic iron oxide (USPIO) nanoparticle enhanced in vivo serial magnetic resonance imaging (MRI). Flow cytometry based gating study was performed to discriminate between resident microglia (Ly6G-CD11b+CD45low) and infiltrating macrophages (Ly6G-CD11b+CD45high) at the injury site. The T2* relaxation analysis revealed that maximum macrophage infiltration occurs between 66 and 72h post injury (42-48h post administration of USPIO) at the site of inflammation. This imaging data was well supported by iron oxide specific Prussian blue staining and macrophage specific F4/80 immunohistochemistry (IHC) analysis. Quantitative real-time PCR analysis found significant expression of monocyte chemoattractant protein-1 (MCP-1) at 72h post injury. Also, we found that flow cytometric analysis demonstrated a 7-fold increase in infiltrating macrophages around 72h post injuries as compared to control. The MR imaging in combination with flow cytometric analysis enabled the dynamic measurement of macrophage infiltration at the injury site. This study may help in setting an optimal time window to intervene and prevent damage due to inflammation and to increase the therapeutic efficacy. PMID- 27864038 TI - A systematic review with meta-analysis of fluticasone furoate/vilanterol combination for the treatment of stable COPD. AB - BACKGROUND: Current guidelines recommend the use of inhaled corticosteroids/long acting beta2-agonists as first-line therapy for COPD patients at risk for acute exacerbations and/or severe airflow limitation. This systematic review assesses available evidence on the efficacy and safety of fluticasone furoate/vilanterol (FF/VI) combination versus each alone, for the treatment of patients with severe to very severe stable COPD. METHODS: Randomized, placebo-controlled trials of >8 weeks of duration were included. Primary end points were pulmonary function, COPD exacerbations and serious adverse events. FF/VI was compared with its mono components. RESULTS: Five reports with six trials (n = 15,515 patients) met the entry criteria. FF/VI was associated with significant increases in trough FEV1 compared with vilanterol (VI) and fluticasone furoate (FF) (45 mL and 90 mL respectively). FF/VI significantly reduced the number of subjects with at least one moderate to severe exacerbation compared with VI (number needed to treat for benefit [NNTB] = 21) and with FF (NNTB = 26). There were no statistical differences in the rates of serious adverse events, cardiac events and all-cause mortality. On the contrary, FF/VI showed a significant 52% increase in the rate of pneumonia compared with VI monotherapy (5.3% vs. 3.5%). However, there was no difference in the rate of pneumonia when FF/VI was compared with FF alone. CONCLUSIONS: FF/VI combination was associated with a decrease of the rate of COPD exacerbations, without affecting mortality or cardiovascular outcomes in patients with moderate to severe stable COPD. Also, the use of FF was associated with an increased risk of pneumonia. PMID- 27864039 TI - Effects of the sequence and orientation of an expression cassette in tobacco transformed by dual Bt genes. AB - This study investigated the effects of the sequence arrangement and orientation of a target gene expression cassette in vectors on expression levels to determine the optimal combination for highly efficient multi-gene expression. Five plant transformation vectors were constructed using dual Bt genes, Cry1Ac and Cry3A, which differed in the sequence arrangement and orientation of the target gene expression cassette. Through an Agrobacterium-mediated method, 5 vectors were used for the genetic transformation of tobacco to obtain transgenic lines. Fluorescence quantitative PCR showed that the target genes were expressed at the transcriptional level, which did not differ significantly among the different vectors. However, an enzyme-linked immunosorbent assay showed that there were significant differences in the toxin expression levels of the different vectors. In vectors N12 and N19, the Cry1Ac gene, located upstream, showed lower average expression than the Cry3A gene, located downstream. Similarly, in vectors N13 and N18, the Cry3A gene, located upstream, had lower expression than the downstream Cry1Ac gene. For vector N21, with the expression cassette containing the Cry1Ac gene located upstream in a trans-arrangement and that of the Cry3A gene located downstream in a cis-arrangement, the Cry1Ac and Cry3A toxin levels were the highest, at 7.41 and 13.24MUg.g-1, respectively. The insect resistance of transgenic lines transformed by the different vectors was related to the Bt toxin level. Resistance to H. armigera, Lepidoptera, and Cry1Ac toxin level were positively correlated; resistance to A. germari larvae, Coleoptera, and Cry3A toxin content were also positively correlated. This study showed that the sequence arrangement of 2 expression cassettes with target genes may be the key to the target gene expression. Two expression cassettes in the same orientation had little influence on gene expression; however, when the 2 expression cassettes were in the reverse arrangement, the expression of both of the target genes was promoted to a certain extent. PMID- 27864040 TI - Study of circadian rhythmicity of physiological response and skin temperature of sheep during summer and winter in semi-arid tropical environment. AB - The present study aimed to evaluate the circadian rhythmicity of some physiological variables, including rectal temperature (RT), respiration rate (RR), heart rate (HR) and skin temperature (ST) in sheep during the summer and winter in semi-arid tropical environment. Eight Malpura rams of 3-4year of age with an average body weight of 37.1+/-1.99kg were selected for the study. All the animals were fed individually for a maintenance requirement on a body weight basis. The RT, RR, HR and ST values were measured in each animal at 3hour intervals for 24 consecutive hours. Ambient temperature (DBT) and relative humidity (RH) was also recorded inside the shed at the time of physiological parameter study. The cosinor analysis showed a daily circadian rhythm (P<0.01) in RR, HR and ST values during the summer and winter in sheep under semi-arid environment. The RR, HR and ST differ significantly (P<0.05) between summer and winter. The amplitude of RR, RT and ST differ significantly (P<0.05) between the seasons. The results indicate that the circadian rhythmicity of RR, HR, RT and ST during summer and winter changed as expected in compliance to the seasonal requirements of animal's adaptability. PMID- 27864041 TI - Apnea-hypopnea index prediction through an assessment of autonomic influence on heart rate in wakefulness. AB - With the high prevalence of obstructive sleep apnea, the issue of developing a practical tool for obstructive sleep apnea screening has been raised. Conventional obstructive sleep apnea screening tools are limited in their ability to help clinicians make rational decisions due to their inability to predict the apnea-hypopnea index. Our study aimed to develop a new prediction model that can provide a reliable apnea-hypopnea index value during wakefulness. We hypothesized that patients with more severe obstructive sleep apnea would exhibit more attenuated waking vagal tone, which may result in lower effectiveness in decreasing heart rate as a response to deep inspiration breath-holding. Prior to conducting nocturnal in-laboratory polysomnography, 30 non-obstructive sleep apnea (apnea-hypopnea index<5events/h) subjects and 246 patients with obstructive sleep apnea participated in a 75-second experiment that consisted of a 60-second baseline measurement and consecutive 15-second deep inspiration breath-hold sessions. Two apnea-hypopnea index predictors were devised by considering the vagal activities reflected in the electrocardiographic recordings acquired during the experiment. Using the predictors obtained from 184 individuals, regression analyses and k-fold cross-validation tests were performed to develop an apnea hypopnea index prediction model. For the remaining 92 individuals, the developed model provided an absolute error (mean+/-SD) of 3.53+/-2.67events/h and a Pearson's correlation coefficient of 0.99 (P<0.01) between the apnea-hypopnea index predictive values and the reference values reported by polysomnography. Our study is the first to achieve reliable and time-efficient prediction of the apnea hypopnea index during wakefulness. PMID- 27864042 TI - Migratory behavior, metabolism, oxidative stress and mercury concentrations in marine and estuarine European glass eels (Anguilla anguilla). AB - The relationships between the migratory behavior, methylmercury (MeHg) concentrations, oxidative stress response and detoxification processes were investigated in glass eels collected in marine (Molliets) and estuarine (Urt) waters (Adour estuary, South West France) at the end of the fishing season (April). Glass eel migratory behavior was investigated in an experimental flume according to their response to dusk. Fish responding to the decrease in light intensity by ascending in the water column and moving with or against the flow were considered as having a high propensity to migrate (migrant). Glass eels still sheltering at the end of the 24h catching period were considered as having a low propensity to migrate and were called non-migrant. Our results provide some evidence that estuarine glass eels were bigger, presented a higher propensity to migrate and a lower oxidative stress response than marine glass eels. This might reflect a selection process, some marine glass eels progressively settling or dying before reaching Urt and/or a change in feeding behavior. In April, glass eels restart feeding in the Adour estuary which might decrease the oxidative stress possibly related to starvation, and enhance migration. MeHg concentrations was significantly higher in non-migrant than in migrant glass eels and it is suggested that non-migrant glass eels might present a higher vulnerability to stress (at least contamination and/or starvation), although the underlying mechanisms remain to be elucidated. PMID- 27864043 TI - Maternal trans fat intake during pregnancy or lactation impairs memory and alters BDNF and TrkB levels in the hippocampus of adult offspring exposed to chronic mild stress. AB - This study aimed to assess the influence of maternal dietary fat intake during pregnancy or lactation on memory of adult offspring after chronic mild stress (CMS) exposure. Female Wistar rats were supplemented daily with soybean oil/fish oil (SO/FO) or hydrogenated vegetable fat (HVF) by oral gavage (3.0g/kg body weight) during pregnancy or lactation. On post-natal day (PND) 60, half of the animals were exposed to CMS following behavioral assessments. While the adult offspring born under influence of SO/FO and HVF supplementations during pregnancy showed higher levels of n-3 and n-6 fatty acids (FA) series DHA and ARA metabolites, respectively, in the hippocampus, adult offspring born from supplemented dams during lactation showed higher levels of their precursors: ALA and LA. However, only HVF supplementation allowed TFA incorporation of adult offspring, and levels were higher in lactation period. Adult offspring born from dams supplemented with trans fat in both pregnancy and lactation showed short and long-term memory impairments before and after CMS. Furthermore, our study also showed higher memory impairment in offspring born from HVF-supplemented dams during lactation in comparison to pregnancy. BDNF expression was increased by stress exposure in offspring from both SO/FO- and HVF-supplemented dams during pregnancy. In addition, offspring from HVF-supplemented dams showed decreased TrkB expression in both supplemented periods, regardless of stress exposure. In conclusion, these findings show for the first time that the type of dietary FA as well as the period of brain development is able to change FA incorporation in brain neural membranes. PMID- 27864044 TI - Localization Methods for Excisional Biopsy in Women With Nonpalpable Mammographic Abnormalities. AB - INTRODUCTION: With the advent and proliferation of breast cancer screening programs, more women are being diagnosed with mammographic abnormalities that require tissue diagnosis. If imaged-guided biopsy is not possible or previous image-guided biopsies reveal pathologies that require more extensive surgery, guided excisional biopsy/lumpectomy may be necessary. METHODS: Fifteen women were enrolled in the study of the feasibility of off-site or day-before wire localization excisional biopsy of the breast with mammographic abnormalities. Five patients had their localization wire placed the day before, whereas 10 patients had their localization the same day with surgery in a distant procedure room under straight local anesthesia. RESULTS: Two of the 15 patients had an eventual cancer diagnosis from their wire-localized excisional breast biopsy. All patients had their mammographic abnormality removed with the previously placed core biopsy clip, and there was 100% radiologic/clinical correlation. All patients' wounds healed primarily without any surgical site infections. CONCLUSION: The protocol answers 2 questions concerning the wire-localized excisional breast biopsy technique. The series shows that the wire-localization technique can be performed the night before or in a location away from the procedure room that would allow better synchronization with surgical schedules or allow the procedure to take place in low-cost settings away from the expense of the hospital operating room. PMID- 27864045 TI - Influence of chronic L-DOPA treatment on immune response following allogeneic and xenogeneic graft in a rat model of Parkinson's disease. AB - Although intrastriatal transplantation of fetal cells for the treatment of Parkinson's disease had shown encouraging results in initial open-label clinical trials, subsequent double-blind studies reported more debatable outcomes. These studies highlighted the need for greater preclinical analysis of the parameters that may influence the success of cell therapy. While much of this has focused on the cells and location of the transplants, few have attempted to replicate potentially critical patient centered factors. Of particular relevance is that patients will be under continued L-DOPA treatment prior to and following transplantation, and that typically the grafts will not be immunologically compatible with the host. The aim of this study was therefore to determine the effect of chronic L-DOPA administered during different phases of the transplantation process on the survival and function of grafts with differing degrees of immunological compatibility. To that end, unilaterally 6-OHDA lesioned rats received sham surgery, allogeneic or xenogeneic transplants, while being treated with L-DOPA before and/or after transplantation. Irrespective of the L DOPA treatment, dopaminergic grafts improved function and reduced the onset of L DOPA induced dyskinesia. Importantly, although L-DOPA administered post transplantation was found to have no detrimental effect on graft survival, it did significantly promote the immune response around xenogeneic transplants, despite the administration of immunosuppressive treatment (cyclosporine). This study is the first to systematically examine the effect of L-DOPA on graft tolerance, which is dependent on the donor-host compatibility. These findings emphasize the importance of using animal models that adequately represent the patient paradigm. PMID- 27864046 TI - Acute colitis chronically alters immune infiltration mechanisms and sensory neuro immune interactions. AB - OBJECTIVE: Little is understood regarding how disease progression alters immune and sensory nerve function in colitis. We investigated how acute colitis chronically alters immune recruitment and the impact this has on re-activated colitis. To understand the impact of disease progress on sensory systems we investigated the mechanisms underlying altered colonic neuro-immune interactions after acute colitis. DESIGN: Inflammation was compared in mouse models of health, acute tri-nitrobenzene sulphonic acid (TNBS) colitis, Remission and Reactivated colitis. Cytokine concentrations were compared by ELISA in-situ and in explanted colon tissue. Colonic infiltration by CD11b/F4-80 macrophage, CD4 THELPER (TH) and CD8 TCYTOTOXIC (TC) and alpha4beta7 expression on mesenteric lymph node (MLN) TH and TC was determined by flow cytometry. Cytokine and effector receptor mRNA expression was determined on colo-rectal afferent neurons and the mechanisms underlying cytokinergic effects on high-threshold colo-rectal afferent function were investigated using electrophysiology. RESULTS: Colonic damage, MPO activity, macrophage infiltration, IL-1beta and IL-6 concentrations were lower in Reactivated compared to Acute colitis. TH infiltration and alpha4beta7 expression on TH MLN was increased in Remission but not Acute colitis. IFN-gamma concentrations, TH infiltration and alpha4beta7 expression on TH and TC MLN increased in Reactivated compared to Acute colitis. Reactivated explants secreted more IL-1beta and IL-6 than Acute explants. IL-6 and TNF-alpha inhibited colo rectal afferent mechanosensitivity in Remission mice via a BKCa dependent mechanism. CONCLUSIONS: Acute colitis persistently alters immune responses and afferent nerve signalling pathways to successive episodes of colitis. These findings highlight the complexity of viscero-sensory neuro-immune interactions in painful remitting and relapsing diseases. PMID- 27864048 TI - Aversive properties of negative incentive shifts in Fischer 344 and Lewis rats. AB - Research on incentive contrast highlights that reward value is not absolute but rather is based upon comparisons we make to rewards we have received and expect to receive. Both human and nonhuman studies on incentive contrast show that shifting from a larger more-valued reward to a smaller less-valued reward is associated with long periods of nonresponding - a negative contrast effect. In this investigation, we used two different genetic rat strains, Fischer 344 and Lewis rats that putatively differ in their sensitivity to aversive stimulation, to assess the aversive properties of large-to-small reward shifts (negative incentive shifts). Additionally, we examined the extent to which increasing cost (fixed-ratio requirements) modulates negative contrast effects. In the presence of a cue that signaled the upcoming reward magnitude, lever pressing was reinforced with one of two different magnitudes of food (large or small). This design created two contrast shifts (small-to-large, large-to-small) and two shifts used as control conditions (small-to-small, large-to-large). Results showed a significant interaction between rat strain and cost requirements only during the negative incentive shift with the emotionally reactive Fischer 344 rats exhibiting significantly longer response latencies with increasing cost, highlighting greater negative contrast. These findings are more consistent with emotionality accounts of negative contrast and results of neurophysiological research that suggests shifting from a large to a small reward is aversive. Findings also highlight how subjective reward value and motivation is a product of gene-environment interactions. PMID- 27864047 TI - APOEepsilon4 impacts up-regulation of brain-derived neurotrophic factor after a six-month stretch and aerobic exercise intervention in mild cognitively impaired elderly African Americans: A pilot study. AB - Possession of the Apolipoprotein E (APOE) gene epsilon4 allele is the most prevalent genetic risk factor for late onset Alzheimer's disease (AD). Recent evidence suggests that APOE genotype differentially affects the expression of brain-derived neurotrophic factor (BDNF). Notably, aerobic exercise-induced upregulation of BDNF is well documented; and exercise has been shown to improve cognitive function. As BDNF is known for its role in neuroplasticity and survival, its upregulation is a proposed mechanism for the neuroprotective effects of physical exercise. In this pilot study designed to analyze exercise induced BDNF upregulation in an understudied population, we examined the effects of APOEepsilon4 (epsilon4) carrier status on changes in BDNF expression after a standardized exercise program. African Americans, age 55years and older, diagnosed with mild cognitive impairment participated in a six-month, supervised program of either stretch (control treatment) or aerobic (experimental treatment) exercise. An exercise-induced increase in VO2Max was detected only in male participants. BDNF levels in serum were measured using ELISA. Age, screening MMSE scores and baseline measures of BMI, VO2Max, and BDNF did not differ between epsilon4 carriers and non-epsilon4 carriers. A significant association between epsilon4 status and serum BDNF levels was detected. Non-epsilon4 carriers showed a significant increase in BDNF levels at the 6month time point while epsilon4 carriers did not. We believe we have identified a relationship between the epsilon4 allele and BDNF response to physiologic adaptation which likely impacts the extent of neuroprotective benefit gained from engagement in physical exercise. Replication of our results with inclusion of diverse racial cohorts, and a no-exercise control group will be necessary to determine the scope of this association in the general population. PMID- 27864049 TI - Phosphodiesterase-7 inhibition affects accumbal and hypothalamic thyrotropin releasing hormone expression, feeding and anxiety behavior of rats. AB - Thyrotropin-releasing hormone (TRH) has anorexigenic and anxiolytic functions when injected intraventricularly. Nucleus accumbens (NAcc) is a possible brain region involved, since it expresses proTRH. TRH from hypothalamic paraventricular nucleus (PVN) has a food intake-regulating role. TRHergic pathways of NAcc and PVN are implicated in anxiety and feeding. Both behaviors depend on cAMP and phosphorylated-cAMP response element binding protein (pCREB) intracellular levels. Intracellular levels of cAMP are controlled by the degrading activity of phosphodiesterases (PDEs). Since TRH transcription is activated by pCREB, a specific inhibitor of PDE7B may regulate TRH-induced effects on anxiety and feeding. We evaluated the effectiveness of an intra-accumbal and intraperitoneal (i.p.) administration of a PDE7 inhibitor (BRL-50481) on rats' anxiety-like behavior and food intake; also on TRH mRNA and protein expression in NAcc and PVN to define its mediating role on the PDE7 inhibitor-induced behavioral changes. Accumbal injection of 4MUg/0.3MUL of PDE7 inhibitor decreased rats' anxiety. The i.p. injection of 0.2mg/kg of the inhibitor was able to increase the PVN TRH mRNA expression and to decrease feeding but did not change animals' anxiety levels; in contrast, 2mg/kg b.w inhibitor enhanced accumbal TRH mRNA, induced anxiolysis with no change in food intake. PDE7 inhibitor induced anxiolytic and anorexigenic like behavior depending on the dose used. Results supported hypothalamic TRH mediated feeding-reduction effects, and accumbal TRH mediation of inhibitor induced anxiolysis. Thus, an i.p dose of this inhibitor might be reducing anxiety with no change in feeding, which could be useful for obese patients. PMID- 27864050 TI - Ancestry trumps experience: Transgenerational but not early life stress affects the adult physiological stress response. AB - Exposure to stressors can affect an organism's physiology and behavior as well as that of its descendants (e.g. through maternal effects, epigenetics, and/or selection). We examined the relative influence of early life vs. transgenerational stress exposure on adult stress physiology in a species that has populations with and without ancestral exposure to an invasive predator. We raised offspring of eastern fence lizards (Sceloporus undulatus) from sites historically invaded (high stress) or uninvaded (low stress) by predatory fire ants (Solenopsis invicta) and determined how this different transgenerational exposure to stress interacted with the effects of early life stress exposure to influence the physiological stress response in adulthood. Offspring from these high- and low-stress populations were exposed weekly to either sub-lethal attack by fire ants (an ecologically relevant stressor), topical treatment with a physiologically-appropriate dose of the stress-relevant hormone, corticosterone (CORT), or a control treatment from 2 to 43weeks of age. Several months after treatments ended, we quantified plasma CORT concentrations at baseline and following restraint, exposure to fire ants, and adrenocorticotropic hormone (ACTH) injection. Exposure to fire ants or CORT during early life did not affect lizard stress physiology in adulthood. However, offspring of lizards from populations that had experienced multiple generations of fire ant-invasion exhibited more robust adult CORT responses to restraint and ACTH-injection compared to offspring from uninvaded populations. Together, these results indicate that transgenerational stress history may be at least as important, if not more important, than early life stress in affecting adult physiological stress responses. PMID- 27864052 TI - Tumor tissue slice cultures as a platform for analyzing tissue-penetration and biological activities of nanoparticles. AB - The success of therapeutic nanoparticles depends, among others, on their ability to penetrate a tissue for actually reaching the target cells, and their efficient cellular uptake in the context of intact tissue and stroma. Various nanoparticle modifications have been implemented for altering physicochemical and biological properties. Their analysis, however, so far mainly relies on cell culture experiments which only poorly reflect the in vivo situation, or is based on in vivo experiments that are often complicated by whole-body pharmacokinetics and are rather tedious especially when analyzing larger nanoparticle sets. For the more precise analysis of nanoparticle properties at their desired site of action, efficient ex vivo systems closely mimicking in vivo tissue properties are needed. In this paper, we describe the setup of organotypic tumor tissue slice cultures for the analysis of tissue-penetrating properties and biological activities of nanoparticles. As a model system, we employ 350MUm thick slice cultures from different tumor xenograft tissues, and analyze modified or non-modified polyethylenimine (PEI) complexes as well as their lipopolyplex derivatives for siRNA delivery. The described conditions for tissue slice preparation and culture ensure excellent tissue preservation for at least 14days, thus allowing for prolonged experimentation and analysis. When using fluorescently labeled siRNA for complex visualization, fluorescence microscopy of cryo-sectioned tissue slices reveals different degrees of nanoparticle tissue penetration, dependent on their surface charge. More importantly, the determination of siRNA-mediated knockdown efficacies of an endogenous target gene, the oncogenic survival factor Survivin, reveals the possibility to accurately assess biological nanoparticle activities in situ, i.e. in living cells in their original environment. Taken together, we establish tumor (xenograft) tissue slices for the accurate and facile ex vivo assessment of important biological nanoparticle properties. Beyond the quantitative analysis of nanoparticle tissue-penetration, the excellent tissue preservation and cell viability also allows for the evaluation of biological activities. PMID- 27864053 TI - Studies for improved understanding of lipid distributions in human skin by combining stimulated and spontaneous Raman microscopy. AB - Advanced Raman techniques, such as stimulated Raman spectroscopy (SRS), have become a valuable tool for investigations of distributions of substances in biological samples. However, these techniques lack spectral information and are therefore highly affected by cross-sensitivities, which are due to blended Raman bands. One typical example is the symmetric CH2 stretching vibration of lipids, which is blended with the more intense Raman band of proteins. We report in this work an approach to reduce such cross-sensitivities by a factor of 8 in human skin samples. This is accomplished by careful spectral deconvolutions revealing the neat spectra of skin lipids. Extensive Raman studies combining the complementary advantages of fast mapping and scanning, i.e. SRS, as well as spectral information provided by spontaneous Raman spectroscopy, were performed on the same skin regions. In addition, an approach for correcting artifacts is reported, which are due to transmission and reflection geometries in Raman microscopy as well as scattering of radiation from rough and highly structured skin samples. As a result, these developments offer improved results obtained from label-free spectromicroscopy provided by Raman techniques. These yield substance specific information from spectral regimes in which blended bands dominate. This improvement is illustrated by studies on the asymmetric CH2 stretching vibration of lipids, which was previously difficult to identify due to the strong background signal from proteins. The advantage of the correction procedures is demonstrated by higher spatial resolution permitting to perform more detailed investigations on lipids and their composition in skin. PMID- 27864051 TI - Individual differences in speech-in-noise perception parallel neural speech processing and attention in preschoolers. AB - From bustling classrooms to unruly lunchrooms, school settings are noisy. To learn effectively in the unwelcome company of numerous distractions, children must clearly perceive speech in noise. In older children and adults, speech-in noise perception is supported by sensory and cognitive processes, but the correlates underlying this critical listening skill in young children (3-5 year olds) remain undetermined. Employing a longitudinal design (two evaluations separated by ~12 months), we followed a cohort of 59 preschoolers, ages 3.0-4.9, assessing word-in-noise perception, cognitive abilities (intelligence, short-term memory, attention), and neural responses to speech. Results reveal changes in word-in-noise perception parallel changes in processing of the fundamental frequency (F0), an acoustic cue known for playing a role central to speaker identification and auditory scene analysis. Four unique developmental trajectories (speech-in-noise perception groups) confirm this relationship, in that improvements and declines in word-in-noise perception couple with enhancements and diminishments of F0 encoding, respectively. Improvements in word in-noise perception also pair with gains in attention. Word-in-noise perception does not relate to strength of neural harmonic representation or short-term memory. These findings reinforce previously-reported roles of F0 and attention in hearing speech in noise in older children and adults, and extend this relationship to preschool children. PMID- 27864054 TI - Ultrasound-assisted extraction of beta-d-glucan from hull-less barley: Assessment of physicochemical and functional properties. AB - The present study was carried out to investigate the effect of ultrasound assisted extraction (UAE) method on physicochemical and molecular properties of hull-less barley beta-d-glucan. With increasing sonication time, beta-d-glucan flow behavior index (n) and its extraction yield significantly increased while its consistency coefficient and lightness decreased. Sonication time had no significant effect on beta-d-glucan purity, emulsion and foam stabilizing effect and colour. Increasing pH from 5 to 9 significantly enhanced extraction yield, purity, consistency coefficient (k), emulsion stabilizing effect and yellowness of the final product. At higher pHs, flow behavior index (n) and redness and yellowness decreased. With increasing the amplitude, extracted beta-d-glucan flow behavior index (n), redness significantly increased. In contrast, beta-d-glucan purity, emulsion stability, consistency coefficient (k) and yellowness decreased as a result of increase in sound amplitude. However, sound amplitude had no significant effect on beta-d-glucan lightness. Models presented in this study were highly significant and the correlation coefficient could be used for optimization of beta-d-glucan extraction from hull-less barley. Considering the importance and desirability of the response variables, the best results were obtained when the sonication time, amplitude and pH were 4.8min, 50% and 9, respectively. beta-d-Glucans extracted by UAE had lower average molecular weight compared to those extracted by water extraction method. There was no difference between the chemical structures of beta-d-glucans extracted by UAE and conventional method. This means that short time ultrasonic extraction had no effect on chemical structure of beta-d-glucan. These results indicate that UAE method was a very effective tool for extraction of beta-d-glucan as a potential hydrocolloid agent for food industries. PMID- 27864055 TI - Gastroprotective effect and chemical characterization of a polysaccharide fraction from leaves of Croton cajucara. AB - Croton cajucara Benth. is a tree from the Amazon Forest, where it is known as sacaca. Its leaves and barks are used in medicinal preparations to treat different diseases, including gastric ulcers. The crude polysaccharide fraction (CCP), obtained from the hot aqueous extract of C. cajucara leaves, was able to promote gastroprotection on an ethanol induced gastric ulcer model. Therefore, a bioguided fractionation was performed to isolate the active polysaccharide fraction. After freezing-thawing, ultrafiltration and dialyses at 100, 50, and 25kDa cut-off membranes, fraction 25R was obtained. It contained glucose, galactose, rhamnose, arabinose, galacturonic acid and mannose in a 7:5:5:3:1:1 molar ratio approximately, and had a Mw of 42,840g/mol. Methylation analysis and NMR spectroscopy indicated that 25R is a very complex polysaccharide fraction containing type I rhamnogalacturonan, arabinan, type I arabinogalactan, type II arabinogalactan, rhamnan, starch and mannan. It was able to reduce ethanol induced gastric ulcers in rats, through preservation of mucus and GSH levels. PMID- 27864056 TI - Lactoferrin nanoparticle mediated targeted delivery of 5-fluorouracil for enhanced therapeutic efficacy. AB - Malignant melanoma is an aggressive form of skin cancer with high mortality rates. Common treatments for malignant melanoma involve a combination of radiotherapy and chemotherapy with fluorouracil (5-FU). A major challenge with melanoma treatment is active resistance to chemotherapeutic drugs. Superior treatment outcome lies on balance involving optimum therapeutic doses and the side effects associated with dose escalation. The study aimed to efficiently entrap 5-FU in lactoferrin nanoparticles (LfNPs) in an attempt to enhance its therapeutic efficacy. 5-FU loaded lactoferrin nanoparticles (5-FU-LfNPs) were prepared by sol-oil method with a narrow size distribution of 150+/-20nm 5-FU LfNPs exhibits high encapsulation efficiency (64+/-2.3%) and increased storage stability at 4 degrees C. Competitive ligand binding and lysosomal colocalization studies suggested a receptor mediated uptake for LfNPs internalization in B16F10 cells. Moreover, 5-FU-LfNPs show a pH dependent drug release similar to endosomal pH (pH 5 and 6). In addition compared to free 5-FU, 5-FU- LfNPs showed a higher intracellular uptake, prolonged retention and improved cytotoxicity (2.7-fold) in melanoma cells (B16F10). To conclude, LfNPs represent a superior nano-carrier for the targeted delivery of 5-FU in melanoma cells intended for the efficient treatment of melanoma though detailed in vivo investigations are warranted. PMID- 27864057 TI - Inhibitory effects of the dietary flavonoid quercetin on the enzyme activity of zinc(II)-dependent yeast alcohol dehydrogenase: Spectroscopic and molecular docking studies. AB - A multispectroscopic exploration was employed to investigate the interaction between the metallo-enzyme alcohol dehydrogenase (ADH) from yeast with bioflavonoid quercetin (QTN). Here, we have characterized the complex formation between QTN and Zn2+ in aqueous solution and then examined the effect of such complex formation on the enzymatic activity of a zinc(II)-dependent enzyme alcohol dehydrogenase from yeast. We have observed an inhibition of enzymatic activity of ADH in presence of QTN. Enzyme inhibition kinetic experiments revealed QTN as a non-competitive inhibitor of yeast ADH. Perturbation of Circular dichroic (CD) spectrum of ADH in presence of QTN is observed due to the structural changes of ADH on complexation with the above flavonoid. Our results indicate a conformational change of ADH due to removal of Zn2+ present in the enzyme by QTN. This was further established by molecular modeling study which shows that the flavonoid binds to the Zn2+ ion which maintains the tertiary structure of the metallo-enzyme. So, QTN abstracts only half of the Zn2+ ions present in the enzyme i.e. one Zn2+ ion per monomer. From the present study, the structural alteration and loss of enzymatic activity of ADH are attributed to the complex formation between QTN and Zn2+. PMID- 27864058 TI - A novel alkaline surfactant-stable keratinase with superior feather-degrading potential based on library screening strategy. AB - A novel keratinase was mined and expressed in Escherichia coli BL21 (DE3) via function-driven screening with fosmid library. The catalytic properties of purified keratinase were investigated in detail following enzyme purification. The recombinant keratinase was purified to homogeneity with an estimated molecular weight of 26kDa using nickel affinity chromatography, of which the optimal reaction pH and temperature were 10.0 and 55 degrees C, respectively. It could remain stable at pH 5.0-12.0 and 40-60 degrees C. Metal ions such as Ca2+, Mn2+, Ag+, Na+, Mg2+, Li+, Sn2+ (1mM) displayed positive influence on keratinase, and particularly, Ca2+ exhibited remarkable improvement effect by 2.6 folds. It was strongly inhibited by PMSF as a protease inhibitor. On the contrary, it could be obviously activated by various surfactants, such as Tween 40 and Triton X-114. The recombinant keratinase showed high specificity towards casein, soluble keratin, BSA, and wool. The keratinase could efficiently degrade the feathers, which demonstrated its applicable potential for biodegradation of keratin wastes and regeneration of soluble protein. PMID- 27864059 TI - Biosynthesis and physicochemical characterization of a bacterial polysaccharide/polyamide blend, applied for microfluidics study in porous media. AB - Screening among some new isolated bacteria from oily samples, which were capable of producing extracellular polymeric substances (EPSs), one was selected and identified as Bacillus sonorensis. An efficient micro-total analysis approach was carried out to assay the produced EPSs by this bacterium. Sucrose and yeast concentrations as carbon and nitrogen sources, respectively, sodium salt concentration and initial pH were selected to be the variables in experimental design. Production of EPS in optimal condition was increased by 5.3 times. Further EPS purification was carried out to identify the biopolymers. The bacteria produced high molecular weight biopolymers with a number average molecular weight (Mn) of 9.1*106g/mol determined by gel permeation chromatography (GPC). Biopolymer characterization demonstrated the biosynthesis of both polysaccharides and polyamides by the bacteria. For the biopolymer blend, thermal properties and morphological characteristics were studied using simultaneous differential scanning calorimetric and thermal gravimetric analyses (DSC/TGA) and field emission scanning electron microscope (FESEM) analyses. Finally, the biopolymer blend was injected into an oil saturated glass micro model to study the enhancement of oil recovery by biopolymer flooding in contrast with water flooding. It was found that oil recovery increased by 36%, from 23% using water flooding to 59% for biopolymer injection. PMID- 27864060 TI - FOS-1 functions as a transcriptional activator downstream of the C. elegans JNK homolog KGB-1. AB - JNK proteins are conserved stress-activated MAP kinases. In C. elegans, the JNK homolog KGB-1 plays essential roles in protection from heavy metals and protein folding stress. However, the contributions of KGB-1 are age-dependent, providing protection in larvae, but reducing stress resistance and shortening lifespan in adults. Attenuation of DAF-16 was linked to the detrimental contributions of KGB 1 in adults, but its involvement in KGB-1-dependent protection in larvae remains unclear. To characterize age-dependent contributions of KGB-1, we used microarray analysis to measure gene expression following KGB-1 activation either in developing larvae or in adults, achieved by knocking down its negative phosphatase regulator vhp-1. This revealed a robust KGB-1 regulon, most of which consisting of genes induced following KGB-1 activation regardless of age; a smaller number of genes was regulated in an age-dependent manner. We found that the bZIP transcription factor FOS-1 was essential for age-invariant KGB-1 dependent gene induction, but not for age-dependent expression. The latter was more affected by DAF-16, which was further found to be required for KGB-1 dependent cadmium resistance in larvae. Our results identify FOS-1 as a transcriptional activator mediating age-invariant contributions of KGB-1, including a regulatory loop of KGB-1 signaling, but also stress the importance of DAF-16 as a mediator of age-dependent contributions. PMID- 27864062 TI - En Face Optical Coherence Tomography Imaging for the Detection of Nascent Geographic Atrophy. AB - PURPOSE: To determine if en face optical coherence tomography (OCT) imaging can identify nascent geographic atrophy (nGA) in eyes with intermediate age-related macular degeneration (iAMD). DESIGN: Retrospective observational case series. METHODS: Patients with iAMD from the COMPLETE study at the Bascom Palmer Eye Institute were evaluated to determine if nGA was present at baseline and at follow-up using high-density Spectralis OCT B-scans and en face OCT images from the Cirrus OCT instrument. If available, additional en face OCT images and B scans were analyzed at follow-up times beyond the 52-week period. RESULTS: A total of 37 eyes (27 patients) were evaluated for at least 1 year using both B scans and en face images. Two drusen suspicious for nGA at baseline were identified, but neither druse developed GA after 24 and 62 months of follow-up, respectively. Another druse displayed hypertransmission into the choroid at week 52 on B-scan imaging and was classified as nGA. En face OCT imaging identified this druse as a focal bright area. Drusen breakdown occurred during a follow-up of 39 months. CONCLUSIONS: En face OCT imaging appeared to be as useful as routine B-scan imaging for identifying areas suspicious for nGA in this population from the COMPLETE Study. Additional longitudinal follow-up of eyes with drusen is needed to determine if en face OCT imaging can replace the evaluation of individual B-scans for the detection of nGA. PMID- 27864061 TI - Melanogenesis inhibits respiration in B16-F10 melanoma cells whereas enhances mitochondrial cell content. AB - Melanoma is a rare and aggressive skin tumor; the survival of patients diagnosed late is fairly low. This high mortality rate is due to the characteristics of the cells that allow them to be resistant to radiotherapy and conventional chemotherapy, besides of being able to evade the immune system. Melanin, the pigment responsible for skin, hair and eye color, seems to be involved in this resistance. The main function of melanin is to protect the cells against ultraviolet (UV) light by absorbing this radiation and reactive oxygen species (ROS) scavenging. But this pigment may have also a role as photosensitizer, because when it is irradiated with UVA light (320-400 nm), the generation of ROS was detected. Besides, the melanogenesis stimulation on B16-F10 cells resulted in cell cycle arrest, induction of a quiescent state, change in the expression of several proteins and alterations on ADP/ATP ratio. The present study aimed to investigate the influence of melanogenesis stimulation in mitochondrial function of B16-F10 melanoma cells. Therefore, we analyzed cells respiration, mitochondrial membrane potential (Deltapsim) and mitochondria mass in B16-F10 melanoma cells stimulated with 0.4mML-tyrosine and 10mM NH4Cl. Our results showed that the induction of melanin synthesis was able to reduce significantly the oxygen consumption after 48h of stimulation, without changes of mitochondrial membrane potential when compared to non-stimulated cells. Despite of respiration inhibition, the mitochondria mass was higher in cells with melanogenesis stimulation. We suggest that the stimulation in the melanin synthesis might be promoting the inhibition of electrons transport chain by some intermediate compound from the synthesis of the pigment and this effect could contribute to explain the entry in the quiescent state. PMID- 27864063 TI - Quercetin impregnated chitosan-fibrin composite scaffolds as potential wound dressing materials - Fabrication, characterization and in vivo analysis. AB - The present study efforts at fabricating chitosan-fibrin composite (CF) scaffolds impregnated with quercetin for wound dressing application and aims at investigating their physicochemical properties. CF scaffolds were prepared by mixing acidic solution of chitosan with an alkaline solution of fibrin, to which quercetin (Q) was added, homogenized and lyophilized obtain Q-CF scaffold. FTIR spectra were used to determine the interactions between the functional groups of quercetin and CF scaffolds. TGA analysis revealed the decomposition of saccharide rings and amino acids of chitosan and fibrin at the temperature range of 255-400 degrees C. Q-CF scaffold exhibited maximum tensile strength of 1.45MPa, an ideal mechanical strength for a wound dressing material. Q-CF scaffolds exhibited good bactericidal activity against Escherichia coli and Staphylococcus aureus. Biocompatibility of Q-CF scaffold was assessed using MTT assay, which elucidated its non-toxic property and excellent suitability for tissue engineering applications. In vivo wound healing experiments performed using albino rats revealed that topical application of Q-CF scaffold on open excision type of wounds can significantly accelerate the process of wound healing. These results suggest that Q-CF scaffold could serve as a promising wound dressing material. PMID- 27864064 TI - An emerging class of amphiphilic dendrimers for pharmaceutical and biomedical applications: Janus amphiphilic dendrimers. AB - In recent years, a new class of dendrimer, known as Janus dendrimers (JDs), has attracted much attention due to their different structures and properties to the conventional symmetric forms. The broken symmetry of JDs offers the opportunity to form complex self-assembled materials, and presents new sets of properties that are presently inconceivable for homogeneous or symmetrical dendrimers. Due to their unique features, JDs have a promising future in pharmaceutical and biomedical fields, as seen from the recent interest in their application in conjugating multiple drugs and targeting moieties, forming supramolecular hydrogels, enabling micellar delivery systems, and preparing nano-vesicles, known as dendrimersomes, for drug encapsulation. The present paper is the first review, with an emphasis on various emerging applications of JDs, in the drug delivery and biomedical field reported so far. In addition, the paper describes different synthetic methods for producing JDs that can guide the design of new biocompatible forms with pharmacological activities, and that have the potential to be nano drug delivery vehicles. Furthermore, future studies to optimize the applications of JDs in drug delivery sciences and biomedical field to realize their potential to treat various disease conditions are identified and highlighted. Overall, this review identifies the current status of JDs in terms of their synthesis and applications, as well as the future research for their translation into macromolecules for clinical applications to solve health problems. It highlights the future combined efforts needed to be taken by dendrimer chemists, formulation scientist and microbiologists to develop novel antibacterials and nanomedicines from JDs. PMID- 27864065 TI - Lateralization of splay posture in reticulated giraffe (Giraffa camelopardalis reticulate). AB - Motor laterality is quite often studied in non-human primates, but rarely has been investigated within ungulates. The aim of the study was to use the naturally occurring splay behavior in giraffe as a method to look for the presence of laterality. Four male giraffes housed at Zoo Atlanta were watched for three months, recording their first leg moved to begin the splay posture and the total number of leg movements to achieve a secure stance. All four giraffe significantly moved their left leg first to begin the stance, which suggests at least individual level laterality. However, using the number of leg movements overall, the last leg moved was only significant in one individual. PMID- 27864066 TI - Stimulus control in two rodent models of attention-deficit/hyperactivity disorder. AB - The spontaneously hypertensive (SHR/NCrl) rat from Charles River is one of the most widely used models of the combined subtype of Attention Deficit/Hyperactivity Disorder (ADHD-C). Although often used as its control strain, the Wistar Kyoto (WKY/NCrl) from Charles River has been proposed as a model of the predominately inattentive subtype of ADHD (ADHD-PI). In Experiment 1 SHR/NCrl, WKY/NCrl, and Wistar (WI; the progenitor strain for the two models) rats were trained on a left->right lever-press sequence in the presence of light discriminative stimuli that signaled the active lever in the sequence. In subsequent conditions the discriminative light cues were removed or reversed. WKY/NCrl accuracy remained relatively stable across cue light transitions. SHR/NCrl and WI accuracy was more disrupted when light cues were removed or reversed-an indication that behavior of the WKY/NCrl rats may not have come under control of the discriminative light cues as it did for the other strains, but relied more on past behavior and spatial cues. In Experiment 2, all three strains were exposed to a response-initiated fixed-interval (RIFI) 8-s schedule of reinforcement. In RIFI schedules behavior must be timed from a past instance of the target response. Replicating previous work, timing during the FI was roughly equivalent across the three strains; however, latencies to initiate the FI were significantly longer for SHR/NCrl than WKY/NCrl and WI rats, suggesting SHR/NCrl behavior was less sensitive to the first-response:food contingency in the RIFI schedule. These findings identify differences in stimulus control between the three strains and may help determine the efficacy of SHR/NCrl and WKY/NCrl as models of ADHD subtypes in humans. PMID- 27864067 TI - "Better" clinical decisions do not necessarily require more time to make. PMID- 27864068 TI - Bibliographic study showed improving statistical methodology of network meta analyses published between 1999 and 2015. AB - OBJECTIVES: To assess the characteristics and core statistical methodology specific to network meta-analyses (NMAs) in clinical research articles. STUDY DESIGN AND SETTING: We searched MEDLINE, EMBASE, and the Cochrane Database of Systematic Reviews from inception until April 14, 2015, for NMAs of randomized controlled trials including at least four different interventions. Two reviewers independently screened potential studies, whereas data abstraction was performed by a single reviewer and verified by a second. RESULTS: A total of 456 NMAs, which included a median (interquartile range) of 21 (13-40) studies and 7 (5-9) treatment nodes, were assessed. A total of 125 NMAs (27%) were star networks; this proportion declined from 100% in 2005 to 19% in 2015 (P = 0.01 by test of trend). An increasing number of NMAs discussed transitivity or inconsistency (0% in 2005, 86% in 2015, P < 0.01) and 150 (45%) used appropriate methods to test for inconsistency (14% in 2006, 74% in 2015, P < 0.01). Heterogeneity was explored in 256 NMAs (56%), with no change over time (P = 0.10). All pairwise effects were reported in 234 NMAs (51%), with some increase over time (P = 0.02). The hierarchy of treatments was presented in 195 NMAs (43%), the probability of being best was most commonly reported (137 NMAs, 70%), but use of surface under the cumulative ranking curves increased steeply (0% in 2005, 33% in 2015, P < 0.01). CONCLUSION: Many NMAs published in the medical literature have significant limitations in both the conduct and reporting of the statistical analysis and numerical results. The situation has, however, improved in recent years, in particular with respect to the evaluation of the underlying assumptions, but considerable room for further improvements remains. PMID- 27864069 TI - Microencapsulated SLN: An innovative strategy for pulmonary protein delivery. AB - Associating protein with nanoparticles is an interesting strategy to improve their bioavailability and biological activity. Solid lipid nanoparticles (SLN) have been sought as carriers for therapeutic proteins transport to the lung epithelium. Nevertheless, because of their low inertia, nanoparticles intended for pulmonary application usually escape from lung deposition. To overcome this problem, the production of spray-dried powders containing nanoparticles has been recently reported. Herein we developed new hybrid microencapsulated SLN for pulmonary administration, containing a model protein (papain, PAP). PAP was adsorbed onto glyceryl dibehenate and glyceryl tristearate SLN. Physical characterization using transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FTIR) and differential scanning calorimetry (DSC) confirmed the interaction between PAP and SLN corroborating that the protein was efficiently adsorbed at SLN's surface. PAP adsorption onto SLN (PAP-SLN) slightly increased particle size, while decreasing the SLN negative surface charge. The adsorption process followed a Freundlich type of adsorption isotherm. Nanoformulations were then spray-dried, originating spherical microparticles with suitable aerodynamic characteristics. Full characterization of microparticles was performed using scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS) and isothermal titration calorimetry (ITC). PAP was released from dry powders in a higher extent when compared with non spray-dried SLN. Nevertheless, protein stability was kept throughout microsphere production, as assessed by SDS-PAGE. PMID- 27864070 TI - Friend or foe? The tumour microenvironment dilemma in colorectal cancer. AB - The network of bidirectional homotypic and heterotypic interactions established among parenchymal tumour cells and surrounding mesenchymal stromal cells generates the tumour microenvironment (TME). These intricate crosstalks elicit both beneficial and adverse effects on tumour initiation and progression unbalancing the signals and responses from the neighbouring cells. Here, we highlight the structure, activities and evolution of TME cells considering a novel colorectal cancer (CRC) classification based on differential stromal composition and gene expression profiles. In this scenario, we scrutinise the molecular pathways that either change or become corrupted during CRC development and their relative prognostic value. Finally, we survey the therapeutic molecules directed against TME components currently available in clinical trials as well as those with stronger potential in preclinical studies. Elucidation of dynamic variations in the CRC TME cell composition and their relative contribution could provide novel diagnostic or prognostic biomarkers and allow more personalised therapeutic strategies. PMID- 27864071 TI - Tetrahydroquinoline-based tricyclic amines as potent and selective agonists of the 5-HT2C receptor. AB - The syntheses, structure-activity relationships (SARs), and biological activities of tetrahydroquinoline-based tricyclic amines as 5-HT2C receptor agonists are reported. An early lead containing a highly unique 6,6,7-ring system was optimized for both in vitro potency and selectivity at the related 5-HT2B receptor. Orally bioactive, potent, and selective 6,6,6-tricyclic 5-HT2C agonists were identified. PMID- 27864073 TI - Eating behaviour of university students in Germany: Dietary intake, barriers to healthy eating and changes in eating behaviour since the time of matriculation. AB - A healthy diet plays a key role in preventing obesity and non-communicable diseases such as type 2 diabetes. This is true for all age groups, including young adults. While unhealthy eating habits among young adults, in particular university students, have been identified in former studies, this group has been neglected in existing health promotion strategies. Our aim was to explore baseline dietary intake, common barriers to healthy eating, and changes in eating behaviour among university students since the time of matriculation. We used data from the quantitative part of the Nutrition and Physical Activity Study (NuPhA), a cross-sectional online survey (data collection: 2014/10/31-2015/01/15). Students were recruited from all over Germany. Overall, 689 university students (30.5% male; mean age: 22.69) from more than 40 universities across Germany participated. We found that there is room for improvement with regard to the consumption of specific food groups, for example, fruits and vegetables. The main barriers to healthy eating were lack of time due to studies, lack of healthy meals at the university canteen, and high prices of healthy foods. Cluster analysis revealed that barriers to healthy eating might affect only specific subgroups, for instance freshmen. Changes in eating behaviour since matriculation were found in the consumption of meat, fish, and regular meals. Future qualitative studies may help to explore why university students change their eating behaviour since the time of matriculation. Such knowledge is necessary to inform health promotion strategies in the university setting. PMID- 27864072 TI - Racial and gender disparities in sugar consumption change efficacy among first year college students. AB - Reducing excess dietary sugar intake among emerging adults involves replacing sugar sweetened beverages (SSBs) and sugary snacks (SSN) with healthier options. Few studies have assessed the perceived degree of difficulty associated with making lifestyle modifications among a diverse group of emerging adults. The purpose of this study was to assess race and gender disparities in SSB and SSN behavioral modification efficacy among African American and White first year college students. A self-administered, cross-sectional survey was completed by a subsample of freshmen (n = 499) at a medium-sized southern university. Key outcome variables were self-efficacy in reducing consumption of SSBs and SSNs, respectively. Primary independent variables were BMI, concerns about weight, and attempts to lose weight, takeout food consumption frequency, and physical activity. Half of the sample was African American (50.1%) and a majority of participants were female (59.3%). Fewer African Americans than Whites were very sure they could substitute SSBs with water (48.8% vs 64.7%, p < 0.001) or eat fewer SSNs (39.2% vs 48.2%, p < 0.04). A smaller segment of males reported being confident in their ability replace SSBs with water (51.2% vs 60.5%, p < 0.04). African Americans (OR = 0.38, CI: 0.22-0.64) and males (OR = 0.49, CI: 0.27-0.88) had lower odds of being more confident in their ability to change their SSB intake. Race and gender differences were not present in models predicting confidence to reduce SSN consumption. These findings highlight the need to consider race and gender in interventions seeking to increase self-efficacy to make lifestyle modifications. PMID- 27864074 TI - Clinically isolated enterovirus A71 subgenogroup C4 strain with lethal pathogenicity in 14-day-old mice and the application as an EV-A71 mouse infection model. AB - The Enterovirus A71 (EV-A71) subgenogroup C4 is prevalent in China. EV-A71 causes hand, foot and mouth disease (HFMD) in children and may lead to severe neurological diseases. The development of antiviral and protective vaccines against EV-A71 is significantly hindered by the lack of suitable animal models to recapitulate human neurological symptoms. In this study, GZ-CII, a highly virulent EV-A71 subgenogroup C4 strain, was isolated from hospitalized children with HFMD. Intraperitoneal infections of GZ-CII resulted in progressive neurological disease in mice as old as 14 days. Administration of an inactivated EV-A71 vaccine or an anti-EV-A71 immune serum protected the mice against the GZ CII infection. This demonstrated that a mouse model with EV-A71 GZ-CII could be used to evaluate potential vaccine candidates and therapeutics for subgenogroup C4. Comparing the genome sequence of GZ-CII with that of the avirulent EV-A71 subgenogroup C4 strain revealed unique mutations in GZ-CII. When mutation VP2 K149I was introduced into the nonpathogenic EV-A71 subgenogroup C4 strain, the variant similar to GZ-CII significantly increased viral replication and virulence in mice. These results indicated that the VP2-K149I mutation played an important role in enhancing the virulence of the EV-A71 subgenogroup C4 strain in mice, and that mice infected with the GZ-CII strain are a promising model for evaluating vaccines and therapeutics against the EV-A71 subgenogroup C4. PMID- 27864075 TI - The natural compound silvestrol is a potent inhibitor of Ebola virus replication. AB - The DEAD-box RNA helicase eIF4A, which is part of the heterotrimeric translation initiation complex in eukaryotes, is an important novel drug target in cancer research because its helicase activity is required to unwind extended and highly structured 5'-UTRs of several proto-oncogenes. Silvestrol, a natural compound isolated from the plant Aglaia foveolata, is a highly efficient, non-toxic and specific inhibitor of eIF4A. Importantly, 5'-capped viral mRNAs often contain structured 5'-UTRs as well, which may suggest a dependence on eIF4A for their translation by the host protein synthesis machinery. In view of the recent Ebola virus (EBOV) outbreak in West Africa, the identification of potent antiviral compounds is urgently required. Since Ebola mRNAs are 5'-capped and harbor RNA secondary structures in their extended 5'-UTRs, we initiated a BSL4 study to analyze silvestrol in EBOV-infected Huh-7 cells and in primary human macrophages for its antiviral activity. We observed that silvestrol inhibits EBOV infection at low nanomolar concentrations, as inferred from large reductions of viral titers. This correlated with an almost complete disappearance of EBOV proteins, comparable in effect to the translational shutdown of expression of the proto oncoprotein PIM1, a cellular kinase known to be affected by silvestrol. Effective silvestrol concentrations were non-toxic in the tested cell systems. Thus, silvestrol appears to be a promising first-line drug for the treatment of acute EBOV and possibly other viral infections. PMID- 27864076 TI - Electric field as a potential directional cue in homing of bone marrow-derived mesenchymal stem cells to cutaneous wounds. AB - Bone marrow-derived cells are thought to participate and enhance the healing process contributing to skin cells or releasing regulatory cytokines. Directional cell migration in a weak direct current electric field (DC-EF), known as electrotaxis, may be a way of cell recruitment to the wound site. Here we examined the influence of electric field on bone marrow adherent cells (BMACs) and its potential role as a factor attracting mesenchymal stem cells to cutaneous wounds. We observed that in an external EF, BMAC movement was accelerated and highly directed with distinction of two cell populations migrating toward opposite poles: mesenchymal stem cells migrated toward the cathode, whereas macrophages toward the anode. Analysis of intracellular pathways revealed that macrophage electrotaxis mostly depended on Rho family small GTPases and calcium ions, but interruption of PI3K and Arp2/3 had the most pronounced effect on electrotaxis of MSCs. However, in all cases we observed only a partial decrease in directionality of cell movement after inhibition of certain proteins. Additionally, although we noticed the accumulation of EGFR at the cathodal side of MSCs, it was not involved in electrotaxis. Moreover, the cell reaction to EF was very dynamic with first symptoms occurring within <1min. In conclusion, the physiological DC-EF may act as a factor positioning bone marrow cells within a wound bed and the opposite direction of MSC and macrophage movement did not result either from utilizing different signalling or redistribution of investigated cell surface receptors. PMID- 27864077 TI - TRPV1 participates in the activation of clock molecular machinery in the brown adipose tissue in response to light-dark cycle. AB - Transient receptor potential (TRPs) channels are involved in thermogenesis, and temperature and energy balance control. Mice lacking TrpV1 become more obese and develop insulin resistance when fed with high fat diet; however, a relationship between metabolic disorders, TRP channels, and clock genes is still unknown. Based on this, we hypothesized that TRPV1 channels would be involved in the synchronization of clock genes in the peripheral tissues. To address this question, we used wild type (WT) and TrpV1 knockout (KO) mice kept in constant darkness (DD) or in light-dark cycle (LD). In WT mouse brown adipose tissue (BAT), TrpV1 oscillated with higher expression at scotophase, Per1 and Per2 showed the same profile, and Bmal1 transcript only oscillated in DD. Interestingly, the oscillatory profile of these clock genes was abolished in TrpV1 KO mice. WT mouse Ucp1 was upregulated in LD as compared to DD, showing no temporal variation; mice lacking TrpV1 showed Ucp1 oscillation with a peak at the photophase. Remarkably, TrpV1 KO mice displayed less total activity than WT only when submitted to LD. We provide evidence that TRPV1 is an important modulator of BAT clock gene oscillations. Therefore, temperature and/or light-dependent regulation of TRPV1 activity might provide novel pharmacological approaches to treat metabolic disorders. PMID- 27864078 TI - Inappropriate translation inhibition and P-body formation cause cold-sensitivity in tryptophan-auxotroph yeast mutants. AB - In response to different adverse conditions, most eukaryotic organisms, including Saccharomyces cerevisiae, downregulate protein synthesis through the phosphorylation of eIF2alpha (eukaryotic initiation factor 2alpha) by Gcn2, a highly conserved protein kinase. Gcn2 also controls the translation of Gcn4, a transcription factor involved in the induction of amino acid biosynthesis enzymes. Here, we have studied the functional role of Gcn2 and Gcn2-regulating proteins, in controlling translation during temperature downshifts of TRP1 and trp1 yeast cells. Our results suggest that neither cold-instigated amino acid limitation nor Gcn2 are involved in the translation suppression at low temperature. However, loss of TRP1 causes increased eIF2alpha phosphorylation, Gcn2-dependent polysome disassembly and overactivity of Gcn4, which result in cold-sensitivity. Indeed, knock-out of GCN2 improves cold growth of trp1 cells. Likewise, mutation of several Gcn2-regulators and effectors results in cold growth effects. Remarkably, we found that Hog1, the osmoresponsive MAPK, plays a role in the regulatory mechanism of Gcn2-eIF2alpha. Finally, we demonstrated that P-body formation responds to a downshift in temperature in a TRP1-dependent manner and is required for cold tolerance. PMID- 27864079 TI - Temporal reliability of ultra-high field resting-state MRI for single-subject sensorimotor and language mapping. AB - Resting-state fMRI is a well-suited technique to map functional networks in the brain because unlike task-based approaches it requires little collaboration from subjects. This is especially relevant in clinical settings where a number of subjects cannot comply with task demands. Previous studies using conventional scanner fields have shown that resting-state fMRI is able to map functional networks in single subjects, albeit with moderate temporal reliability. Ultra high resolution (7T) imaging provides higher signal-to-noise ratio and better spatial resolution and is thus well suited to assess the temporal reliability of mapping results, and to determine if resting-state fMRI can be applied in clinical decision making including preoperative planning. We used resting-state fMRI at ultra-high resolution to examine whether the sensorimotor and language networks are reliable over time - same session and one week after. Resting-state networks were identified for all subjects and sessions with good accuracy. Both networks were well delimited within classical regions of interest. Mapping was temporally reliable at short and medium time-scales as demonstrated by high values of overlap in the same session and one week after for both networks. Results were stable independently of data quality metrics and physiological variables. Taken together, these findings provide strong support for the suitability of ultra-high field resting-state fMRI mapping at the single-subject level. PMID- 27864080 TI - Alterations of resting state functional network connectivity in the brain of nicotine and alcohol users. AB - Alcohol and nicotine intake result in neurological alterations at the circuit level. Resting state functional connectivity has shown great potential in identifying these alterations. However, current studies focus on specific seeds and leave out many brain regions where effects might exist. The present study uses a data driven technique for brain segmentation covering the whole brain. Functional magnetic-resonance-imaging (fMRI) data were collected from 188 subjects:51 non-substance consumption controls (CTR), 36 smoking-and-drinking subjects (SAD), 28 drinkers (DRN), and 73 smokers (SMK). Data were processed using group independent component analysis to derive resting state networks (RSN). The resting state functional network connectivity (rsFNC) was then calculated through correlation between time courses. One-way ANOVA tests were used to detect rsFNC differences among the four groups. A total of 50 ANOVA tests were significant after multi-comparison correction. Results delineate a general pattern of hypo-connectivity in the substance consumers. Precuneus, postcentral gyrus, insula and visual cortex were the main brain areas with rsFNC reduction suggesting reduced interoceptive awareness in drinkers. In addition, connectivity reduction between postcentral and one RSN covering right fusiform and lingual gyri showed significant association with severity of hazardous drinking. In smokers, connectivity changes agreed with the idea of a shift towards endogenous information processing, represented by the DMN. Hypo-connectivity between thalamus and putamen was observed in smokers. In contrast, the angular gyrus showed hyper-connectivity with the precuneus linked to smoking and significantly correlated with nicotine dependence severity. In spite of the presence of common effects, our results suggest that particular effects of alcohol and nicotine can be separated and identified. Results also suggest that concurrent use of both substances affects brain connectivity in a complex manner, requiring careful consideration of interaction effects. PMID- 27864082 TI - Individual variation in intentionality in the mind-wandering state is reflected in the integration of the default-mode, fronto-parietal, and limbic networks. AB - Mind-wandering has a controversial relationship with cognitive control. Existing psychological evidence supports the hypothesis that episodes of mind-wandering reflect a failure to constrain thinking to task-relevant material, as well the apparently alternative view that control can facilitate the expression of self generated mental content. We assessed whether this apparent contradiction arises because of a failure to consider differences in the types of thoughts that occur during mind-wandering, and in particular, the associated level of intentionality. Using multi-modal magnetic resonance imaging (MRI) analysis, we examined the cortical organisation that underlies inter-individual differences in descriptions of the spontaneous or deliberate nature of mind-wandering. Cortical thickness, as well as functional connectivity analyses, implicated regions relevant to cognitive control and regions of the default-mode network for individuals who reported high rates of deliberate mind-wandering. In contrast, higher reports of spontaneous mind-wandering were associated with cortical thinning in parietal and posterior temporal regions in the left hemisphere (which are important in the control of cognition and attention) as well as heightened connectivity between the intraparietal sulcus and a region that spanned limbic and default-mode regions in the ventral inferior frontal gyrus. Finally, we observed a dissociation in the thickness of the retrosplenial cortex/lingual gyrus, with higher reports of spontaneous mind-wandering being associated with thickening in the left hemisphere, and higher repots of deliberate mind-wandering with thinning in the right hemisphere. These results suggest that the intentionality of the mind-wandering state depends on integration between the control and default-mode networks, with more deliberation being associated with greater integration between these systems. We conclude that one reason why mind-wandering has a controversial relationship with control is because it depends on whether the thoughts emerge in a deliberate or spontaneous fashion. PMID- 27864081 TI - Genetic and environmental influences on cortical mean diffusivity. AB - Magnetic resonance imaging (MRI) has become an important tool in the early detection of age-related and neuropathological brain changes. Recent studies suggest that changes in mean diffusivity (MD) of cortical gray matter derived from diffusion MRI scans may be useful in detecting early effects of Alzheimer's disease (AD), and that these changes may be detected earlier than alterations associated with standard structural MRI measures such as cortical thickness. Thus, due to its potential clinical relevance, we examined the genetic and environmental influences on cortical MD in middle-aged men to provide support for the biological relevance of this measure and to guide future gene association studies. It is not clear whether individual differences in cortical MD reflect neuroanatomical variability similarly detected by other MRI measures, or whether unique features are captured. For instance, variability in cortical MD may reflect morphological variability more commonly measured by cortical thickness. Differences among individuals in cortical MD may also arise from breakdowns in myelinated fibers running through the cortical mantle. Thus, we investigated whether genetic influences on variation in cortical MD are the same or different from those influencing cortical thickness and MD of white matter (WM) subjacent to the cortical ribbon. Univariate twin analyses indicated that cortical MD is heritable in the majority of brain regions; the average of regional heritability estimates ranged from 0.38 in the cingulate cortex to 0.66 in the occipital cortex, consistent with the heritability of other MRI measures of the brain. Trivariate analyses found that, while there was some shared genetic variance between cortical MD and each of the other two measures, this overlap was not complete (i.e., the correlation was statistically different from 1). A significant amount of distinct genetic variance influences inter-individual variability in cortical MD; therefore, this measure could be useful for further investigation in studies of neurodegenerative diseases and gene association studies. PMID- 27864083 TI - Robust skull stripping using multiple MR image contrasts insensitive to pathology. AB - Automatic skull-stripping or brain extraction of magnetic resonance (MR) images is often a fundamental step in many neuroimage processing pipelines. The accuracy of subsequent image processing relies on the accuracy of the skull-stripping. Although many automated stripping methods have been proposed in the past, it is still an active area of research particularly in the context of brain pathology. Most stripping methods are validated on T1-w MR images of normal brains, especially because high resolution T1-w sequences are widely acquired and ground truth manual brain mask segmentations are publicly available for normal brains. However, different MR acquisition protocols can provide complementary information about the brain tissues, which can be exploited for better distinction between brain, cerebrospinal fluid, and unwanted tissues such as skull, dura, marrow, or fat. This is especially true in the presence of pathology, where hemorrhages or other types of lesions can have similar intensities as skull in a T1-w image. In this paper, we propose a sparse patch based Multi-cONtrast brain STRipping method (MONSTR),2 where non-local patch information from one or more atlases, which contain multiple MR sequences and reference delineations of brain masks, are combined to generate a target brain mask. We compared MONSTR with four state-of the-art, publicly available methods: BEaST, SPECTRE, ROBEX, and OptiBET. We evaluated the performance of these methods on 6 datasets consisting of both healthy subjects and patients with various pathologies. Three datasets (ADNI, MRBrainS, NAMIC) are publicly available, consisting of 44 healthy volunteers and 10 patients with schizophrenia. Other three in-house datasets, comprising 87 subjects in total, consisted of patients with mild to severe traumatic brain injury, brain tumors, and various movement disorders. A combination of T1-w, T2-w were used to skull-strip these datasets. We show significant improvement in stripping over the competing methods on both healthy and pathological brains. We also show that our multi-contrast framework is robust and maintains accurate performance across different types of acquisitions and scanners, even when using normal brains as atlases to strip pathological brains, demonstrating that our algorithm is applicable even when reference segmentations of pathological brains are not available to be used as atlases. PMID- 27864085 TI - Single cell screening approaches for antibody discovery. AB - Microtools that have been developed to allow in depth interrogation of individual cells in high throughput are improving our understanding of biological processes at the single cell level and are opening up new possibilities for biological research. In relation to antibody discovery, these tools are now helping to maximise the full potential of well-established methodologies for antibody generation. Being complementary to both recombinant and native antibody secreting cells, some of these tools are finding widespread use in the field. In this review, we discuss how microtools for single cell analysis are addressing some of the limitations of traditional approaches for antibody screening. We describe the main classes of microtools for antibody discovery along with a comparison of each technology and an outlook for the future utility of some of these microtools for discovery and research. PMID- 27864086 TI - Targeted memory reactivation of newly learned words during sleep triggers REM mediated integration of new memories and existing knowledge. AB - Recent memories are spontaneously reactivated during sleep, leading to their gradual strengthening. Whether reactivation also mediates the integration of new memories with existing knowledge is unknown. We used targeted memory reactivation (TMR) during slow-wave sleep (SWS) to selectively cue reactivation of newly learned spoken words. While integration of new words into their phonological neighbourhood was observed in both cued and uncued words after sleep, TMR triggered integration was predicted by the time spent in rapid eye movement (REM) sleep. These data support complementary roles for SWS and REM in memory consolidation. PMID- 27864088 TI - Modality-invariant audio-visual association coding in crow endbrain neurons. AB - Single neuron activity in the corvid nidopallium caudolaterale (NCL), the supposed avian functional analog of the prefrontal cortex, represents associations of auditory with visual stimuli. This is of high adaptive value for songbirds that need to rely on audio-visual associations to communicate, find a mate or escape predators. However, it remains unclear whether NCL neurons can represent cross-modal associations in a modality invariant, abstract fashion. To dissociate between modality-dependent and modality-invariant NCL activity, we trained two crows to match auditory sample cues with visual test stimuli, and vice versa, across a temporal memory delay. During sample presentation, NCL activity selectively encoded associations in a modality invariant fashion. During the delay, we observed subject specific, population-level coding biases in NCL activity. Despite of these biases, task relevant information could be decoded equally well from either subject's neuronal delay activity. Decoding success was facilitated by many mixed selectivity neurons, which mediated high dimensional representations of task variables on the NCL population level. These results parallel findings from the mammalian PFC, suggesting common mechanisms responsible for the adaptability of multimodal association areas across taxa. PMID- 27864087 TI - Setting the occasion for adolescent inhibitory control. AB - During adolescence, individuals experience a broad range of dynamic environments as they strive to establish independence. Learning to respond appropriately in both new and previously encountered environments requires that an individual identify and learn the meaning of cues indicating that a behavior is appropriate, or alternatively, that it should be altered or inhibited. Although the ability to regulate goal-directed behavior continues to develop across adolescence, the specific circumstances under which adolescents experience difficulty with inhibitory control remain unclear. Here we review recent findings in our laboratory that address how adolescents learn to proactively inhibit a response. Much of our research has utilized a negative occasion setting paradigm, in which one cue (a feature) gates the meaning of a second cue (a target). The feature provides information that resolves the ambiguity of the target and indicates the appropriate behavioral response to the target. As such, we have been able to determine how adolescents learn about ambiguous stimuli, such as those whose meaning changes in accordance with other features of the surrounding environment. We consider why adolescents in particular exhibit difficulty in negative occasion setting compared to either pre-adolescents or adults. In addition, we review findings indicating that a balance in neural activity between orbitofrontal cortex and nucleus accumbens is necessary to support normal negative occasion setting. Finally, we consider aspects of associative learning that may contribute to adolescent inhibitory control, as well as provide insight into adolescent behavior as a whole. PMID- 27864090 TI - Prevalence of food allergies in South Asia. AB - OBJECTIVE: To evaluate the published medical literature on the prevalence and types of food allergies in South Asia. DATA SOURCES: A PubMed search was performed using the keywords India and food allergy, Asia and food allergy, and South Asia and food allergy for any period. Articles cited in selected studies were reviewed for their appropriateness of inclusion into this review. STUDY SELECTIONS: Publications were included that were original research and fit the topic of food allergy and South Asia. South Asia is defined as region inclusive of India, Pakistan, Bangladesh, and Sri Lanka. RESULTS: A total of 169 articles were initially identified, and 47 were reviewed in detail for inclusion in this review. The primary focus was placed on 10 studies that consisted of case reports of newly reported or documented food allergy, survey studies that investigated food allergy prevalence in specific demographics, and prospective and cross sectional studies with case controls, all of which investigated food allergy prevalence by allergy testing in a selected population. CONCLUSION: The medical literature on the prevalence and types of food allergy in South Asia indicates that there is a variety of unusual and unique allergens and an overall low incidence of food allergy. There is also an association of increased food allergy prevalence in individuals who live in metropolitan regions or who migrate to communities that have adopted westernization. PMID- 27864089 TI - Anaphylaxis induced by ingested molds. PMID- 27864091 TI - Diurnal variations in subcutaneous allergen immunotherapy reactions. AB - BACKGROUND: Circadian rhythms underlie many immune responses and allergic diseases. Subcutaneous immunotherapy (SCIT) can result in adverse reactions; however, it is unclear whether such reactions have a diurnal pattern. OBJECTIVE: To assess whether the timing of SCIT affects the rate of adverse reactions. METHODS: This study was a retrospective medical record review of adult patients (n = 289) who received SCIT at the Northwestern Medical Faculty Foundation, Chicago, Illinois, during a 10-year period (2004-2014). Injections were given in the outpatient setting. There were a total of 17,457 injections with 574 reactions. Covariates included age, sex, median income, asthma status, vial contents, number of injections, and previous immunotherapy reactions. Logistical regression was used to calculate the odds of having a reaction with time of SCIT administration as the primary determinate. RESULTS: Immunotherapy reactions occurred more frequently after afternoon or evening (pm) injections (328/8721 = 3.8%) vs morning (am) injections (246/8736 = 2.8%), (chi2 = 12.26, P < .01). Systemic reactions, defined as World Allergy Organization grade 1 or higher, did not have diurnal variation (59/8721 = 0.67% for pm vs am 56/8736 = 0.64% for morning; chi2 = 0.08; P = .77). pm injections resulted in higher odds of reaction compared with am injection in a fully adjusted logistic regression model (odds ratio = 1.43; 95% confidence interval, 1.20-1.70; P < .01). When considering time as 4 categories, the highest odds of reaction were noted for the period from 15:01 to 17:30 (odds ratio, 1.55; 95% confidence interval, 1.21-2.00; P < .01). CONCLUSION: pm injections of SCIT are associated with increased cutaneous reaction rates when compared with am injections. In patients experiencing bothersome local reactions, it may be beneficial to administer SCIT in the morning. PMID- 27864084 TI - Development and regeneration of vestibular hair cells in mammals. AB - Vestibular sensation is essential for gaze stabilization, balance, and perception of gravity. The vestibular receptors in mammals, Type I and Type II hair cells, are located in five small organs in the inner ear. Damage to hair cells and their innervating neurons can cause crippling symptoms such as vertigo, visual field oscillation, and imbalance. In adult rodents, some Type II hair cells are regenerated and become re-innervated after damage, presenting opportunities for restoring vestibular function after hair cell damage. This article reviews features of vestibular sensory cells in mammals, including their basic properties, how they develop, and how they are replaced after damage. We discuss molecules that control vestibular hair cell regeneration and highlight areas in which our understanding of development and regeneration needs to be deepened. PMID- 27864092 TI - Successful desensitization to natalizumab using a 1-solution protocol. PMID- 27864093 TI - Skin testing and drug challenge outcomes in antibiotic-allergic patients with immediate-type hypersensitivity. AB - BACKGROUND: The evaluation of antibiotic immediate-type hypersensitivity is intricate because of nonstandardized skin testing and challenge method variability. OBJECTIVE: To determine the safety outcomes and risk factors for antibiotic challenge reactions in patients reporting a history of antibiotic immediate-type hypersensitivity. METHODS: A 5-year retrospective review of patients evaluated for immediate-type antibiotic allergy was conducted. Data analyzed included patient demographics, index reaction details, and outcomes of skin testing and challenges, classified as single-step or multistep. RESULTS: Antibiotic hypersensitivity history was identified in 211 patients: 78% to penicillins, 10% to fluoroquinolones, 7.6% to cephalosporins, and 3.8% to carbapenems. In total, 179 patients completed the challenges (median age 67 years, range 50-76 years, 56% women), and compared with nonchallenged patients, they reported nonanaphylactic (P < .001) and remote index (P = .003) reactions. Sixteen patients (8.9%) experienced challenge reactions (5 of 28 for single-step challenge, 11 of 151 for multistep challenge), and 11 of these patients had negative skin testing results before the challenge. Challenge-reactive patients were significantly younger (P = .007), more often women (P = .036), and had additional reported antibiotic allergies (P = .005). No correlation was detected between the reported index and observed challenge reaction severities (kappa = 0.05, 95% confidence interval -0.34 to 0.24). Anaphylactic rates were similar during single-step and multistep challenges (3.6% vs 3.3%). CONCLUSION: In the present population, younger women with multiple reported antibiotic allergies were at greatest risk for challenge reactions. Negative skin testing results did not exclude reactions, and index severity was not predictive of challenge outcome. The multistep and full-dose methods demonstrated a comparable reaction risk for anaphylaxis. PMID- 27864095 TI - Optimization of an in vitro chemotherapy to avoid resistant tumours. AB - Chemotherapy use against solid tumours often results in the resistance of the cancer cells to the molecule used. In this paper, we will set up and analyse an ODE model for heterogeneous in vitro tumours, consisting of cells that are sensitive or resistant to a certain drug. We will then use this model to develop different protocols, that aim at reducing the tumour volume while preserving its heterogeneity. These drug administration schedules are determined through analysis of the system dynamics, and optimal control theory. PMID- 27864096 TI - Effects of initial telomere length distribution on senescence onset and heterogeneity. AB - Replicative senescence, induced by telomere shortening, exhibits considerable asynchrony and heterogeneity, the origins of which remain unclear. Here, we formally study how telomere shortening mechanisms impact on senescence kinetics and define two regimes of senescence, depending on the initial telomere length variance. We provide analytical solutions to the model, highlighting a non-linear relationship between senescence onset and initial telomere length distribution. This study reveals the complexity of the collective behavior of telomeres as they shorten, leading to senescence heterogeneity. PMID- 27864097 TI - Post-translational regulation by structural changes of 4-dihydromethyltrisporate dehydrogenase, a key enzyme in sexual and parasitic communication mediated by the trisporic acid pheromone system, of the fungal fusion parasite Parasitella parasitica. AB - Sexual communication between complementary mating partners in the fungal group of zygomycetes is mediated by the trisporoid pheromone system. A key enzyme towards biosynthesis of hormonally active trisporoids is 4-dihydromethyltrisporate dehydrogenase (TSP1), an enzyme occurring in all zygomycetous fungi. Trisporic acid and some of its precursor molecules serve as pheromones for recognizing complementary mating partners and for induction of the differentiation program towards sexual spore formation. In the parasitic zygomycete Parasitella parasitica, a biotrophic fusion parasite infecting many other zygomycetes, these substances have an additional function: They are also responsible for host parasite recognition and the formation of the characteristic infection structures. Parasitic interactions are mating type dependent as well. In the Mucor-related mycoparasite P. parasitica we can study both types of communication in parallel. We were interested in protein structures of TSP1 from P. parasitica, the genome of which was recently sequenced by us, and especially in the mechanisms involved in the switch from sexual to parasitic communication. P. parasitica contains at least six genes coding for TSP1-like proteins. We created models of tertiary structures and performed protein-protein docking with the resulting protein structures to simulate dimerization and to provide support for probable regulatory mechanisms at the protein level. The resulting structure models show differences in putative activity and binding preferences between the different TSP1-like proteins. Two of them seem to be able to form solid binding pockets for substrate and cosubstrate after dimerization. The other four TSP1 like proteins are more likely to represent regulating subunits for the two active isoforms. The ability to form homodimers with enzymatic activity could be the crucial difference between sexual and parasitic communication pathways. TSP1 PARPA_07791 forms enzymatically inactive homodimers. The second TSP1, PARPA_04105, forms active homodimers and could be responsible for the parasitic pathway of communication. Both TSP1 proteins can form more or less active heterodimers with the additional TSP1-like proteins. TSP1 PARPA_07791 mediates the sexual pathway probably as in other zygomycetous fungi like Mucor mucedo. High sequence identities between this TSP1 isomer and TSP1 proteins from other zygomycetes substantiate its function. This bioinformatic study supports previous experimental findings of post-translational regulation of 4 dihydromethyltrisporate dehydrogenases in zygomycetes and, for the first time, provides a substantiated hypothesis of the underlying mechanism. PMID- 27864094 TI - Sternopygus macrurus electric organ transcriptome and cell size exhibit insensitivity to short-term electrical inactivity. AB - Electrical activity is an important regulator of cellular function and gene expression in electrically excitable cell types. In the weakly electric teleost fish Sternopygus macrurus, electrocytes, i.e., the current-producing cells of the electric organ, derive from a striated muscle lineage. Mature electrocytes are larger than muscle fibers, do not contain sarcomeres, and are driven continuously at frequencies higher than those exerted on muscle cells. Previous work showed that the removal of electrical activity by spinal cord transection (ST) for two and five weeks led to an upregulation of some sarcomeric proteins and a decrease in electrocyte size. To test whether changes in gene transcription preceded these phenotypic changes, we determined the sensitivity of electrocyte gene expression to electrical inactivity periods of two and five days after ST. Whole tissue gene expression profiles using deep RNA sequencing showed minimal alterations in the levels of myogenic transcription factor and sarcomeric transcripts after either ST period. Moreover, while analysis of differentially expressed genes showed a transient upregulation of genes associated with proteolytic mechanisms at two days and an increase in mRNA levels of cytoskeletal genes at five days after electrical silencing, electrocyte size was not affected. Electrical inactivity also resulted in the downregulation of genes that were classified into enriched clusters associated with functions of axon migration and synapse structure. Overall, these data demonstrate that unlike tissues in the myogenic lineage in other vertebrate species, regulation of gene transcription and cell size in the muscle-like electrocytes of S. macrurus is highly insensitive to short-term electrical inactivity. Moreover, together with data obtained from control and long-term ST studies, the present data suggest that neural input might influence post-transcriptional processes to affect the mature electrocyte phenotype. PMID- 27864098 TI - Screening for mucopolysaccharidoses in the Turkish population: Analytical and clinical performance of an age-range specific, dye-based, urinary glycosaminoglycan assay. AB - Comprehensive analytical and diagnostic performance of urinary quantitative GAG analysis with dimethylmethylene blue (DMB) and the age-specific reference ranges were determined in Turkish population, which has a high incidence of MPSs. Precision, linearity, recovery and accuracy/trueness, limits, stability, and effect of interferents were tested according to CLSI guideline. Clinical performance was evaluated with ROC analyses including 45 MPS patients. Intra-day and inter-day precisions were <5% and <11% (CV), respectively. LoD was 9.12mg/L and LoQ was 23.3mg/L. The highest reference values for urinary GAG excretion were determined in an age-specific manner. In the 2-13years age cohort, a cut-off of 89.86mg/g creatinine resulted in 98.07% sensitivity and 93.33% specificity. Proteinuria and hematuria interfered with analysis in some instances. Neither leukocyturia nor pH changes affected the assay. Stability analysis indicated that freezing urine samples for transfer is unnecessary. Of the 45 MPS patient samples evaluated, only three tested negative including MPS II, IVA and VI. Despite limitations due to low levels of urinary GAG excretion in some cases, urinary GAG analysis with DMB with its technical simplicity, low cost, and precise quantitative results, is a valuable screening method, particularly in populations with a high rate of MPSs. PMID- 27864099 TI - Comparability of the effect of storage time and temperature on serum anti Mullerian hormone measurement between original and modified enzyme-linked immunosorbent assay. AB - OBJECTIVE: To explore the effect of modified enzyme-linked immunosorbent assay on the AMH results is increased or decreased, and to investigate the effect of storage time and temperature on AMH measurements with and without sample premixing assay buffer using the Kangrun ELISA method. METHOD: Serum AMH concentration were measured by ELISA, consistency between two kits, and comparability between original and the modified assay under different stored conditions were analyzed by Passing-Bablok regression analysis and Bland-Altman bias evaluation. RESULT: There was a strong consistency between AMH concentrations measured in Kangrun ELISA and Ansh Labs ultra-sensitive AMH ELISA. Pre-mixing serum specimens with assay buffer gave consistent results compared with original assay. Modified protocol can reduce the amplitude of increase affected by sample aged and give the most consistent results regardless of storage conditions. CONCLUSION: Pre-mixing protocol did not influence the results of fresh serum or frozen serum incubation <3days at 4 degrees C and -80 degrees C, but when specimens detected after collection and stored in other storage conditions, should be pre-mixed with assay buffer to insure its accuracy. PMID- 27864100 TI - Clinical relevance of combined anti-mitochondrial M2 detection assays for primary biliary cirrhosis. AB - BACKGROUND: Antimitochondrial antibody (AMA) is a specific serologic marker in primary biliary cirrhosis (PBC). The aim of this study was to evaluate the clinical relevance of combined AMA assays. METHODS: Sera were obtained from 79 patients with PBC and 108 patients with other liver disease. They were tested by indirect immunofluorescence (IIF) using rat kidney/stomach tissue and HEp2 cells as substrate, 4 AMA-M2 assays, anti-sp100, and anti-gp210 assays. RESULTS: Using IIF-AMA with cut-off titer of 1:40, the sensitivity and specificity for PBC were 88.6% and 87.0%, respectively. A cut-off titer of 1:80 improved the specificity to 93.5%. The 4 commercial assay kits using AMA-M2 autoantibodies showed sensitivity of 55.7-79.7% and specificity of 91.7-95.4% with moderate to good agreement. AMA-M2 assays using both native and recombinant E2 antigens had higher sensitivity. ANAs on HEp2 cells, anti-sp100, and anti-gp210 were detected in 67.1%, 13.9-15.2%, and 22.8-27.8% of PBC patients, respectively. Additional AMA M2 specific assays in IIF-AMA negative and low titer positive (1:40) sera increased the sensitivity and specificity to 88.6% and 90.7%, respectively. CONCLUSIONS: Serological diagnosis for PBC using IIF with high titer cut-off and additional AMA-M2 specific tests by ELISA or LIA in IIF-negative sera should be used. PMID- 27864101 TI - Targeted exome sequencing identifies novel compound heterozygous mutations in P3H1 in a fetus with osteogenesis imperfecta type VIII. AB - Osteogenesis imperfecta (OI) is a highly clinically and genetically heterogeneous group of disorders. It is difficult to identify severe OI in the perinatal period. Here, a Chinese woman with a suspected history of fetal OI was referred to our institution at 19weeks of gestation, due to ultrasound inspection during antenatal screening, which revealed bulbous metaphyses, short humeri, and short thick bent femora in the fetus. Using targeted exome sequencing of 248 genes known to be involved in skeletal system diseases, we identified novel compound heterozygous mutation in the P3H1 gene in the fetus with OI type VIII: c.105_120del (p.D36Rfs*16) and c.2164C>T (p.Q722*). These two mutations were inherited from the father and mother, respectively. The mRNA level of P3H1 wasn't changed suggested that mRNA with this mutation escaped from nonsense-mediated RNA decay. Besides, the level of P3H1 was absence while the CRTAP was mildly decreased. In conclusion, our findings imply this novel compound heterozygous mutation as the molecular pathogenetic in a Chinese fetus with OI type VIII, and demonstrate that targeted next-generation sequencing (NGS) is an accurate, rapid, and cost-effective method in the genetic diagnosis of fetal skeletal dysplasia with genetic and clinical heterogeneity, especially for autosomal recessive skeletal disorders. PMID- 27864102 TI - A health sciences student-run smoking cessation clinic experience within a homeless population. AB - OBJECTIVE: The primary objective is to describe a professional and graduate student-run approach to smoking cessation education combined with motivational interviewing and pharmacotherapy in regard to the frequency of follow-up with a smoking cessation quitline program in the homeless population. The secondary objective is to assess participants' self-reported level of confidence, knowledge, and willingness to quit before and after participation in the student run smoking cessation clinic. SETTING: Homeless shelter in Phoenix, Arizona. PRACTICE DESCRIPTION: A previously established professional and graduate student led clinic focused on providing a wide variety of free health services to homeless populations at a homeless shelter. One service not offered was smoking cessation support; thus, a student-run smoking cessation clinic was established. PRACTICE INNOVATION: Patients were provided smoking cessation education, motivational interviewing, and pharmacotherapy by health sciences professional and graduate students. Patients were then given a 2-week supply of nicotine replacement therapy and referred to the state's smoking cessation quitline. The impact of multiple concomitant smoking cessation strategies provided by students within a homeless population has not been studied previously. EVALUATION: A 10 day post-referral status update on the success of contact with patients was provided to study investigators from the smoking cessation quitline. Surveys were also used to assess the patient's self-reported level of perceived benefit with the student-run smoking cessation clinic. RESULTS: Of the 139 unique patients, 19 (13.7%) successfully contacted the smoking cessation quitline. Patients reported high baseline confidence, knowledge, and willingness related to quit attempts; they reported a small improvement in reported values after participation in the student-run clinics. CONCLUSION: In the homeless population, smoking cessation education, motivational interviewing, and pharmacotherapy had a low follow-up frequency with a smoking cessation quitline, but slightly increased the patient's confidence, knowledge, and willingness to quit. PMID- 27864103 TI - Beneficial effect of coenzyme Q10 injection on nitric oxide -related dilation of the rat aorta. AB - This study examined whether coenzyme Q10 can improve nitric oxide (NO)-dependent vasodilatation in the rat aorta after pre-incubation or intravenous administration. In initial experiments, intact isolated aortic rings were incubated with coenzyme Q10 or L-arginine. In further experiments, coenzyme Q10 was administered intravenously in anesthetized rats, then in 2h aorta was isolated. In both cases, after preliminary preparation the isolated aortic rings were tested for acetylcholine-induced NO-dependent relaxation. Acetylcholine elicited concentration-dependent relaxation of phenylephine precontracted aortic rings. Relaxant responses to acetylcholine were markedly potentiated after pre incubation with coenzyme Q10 or L-arginine. The maximum relaxant responses (%) were significantly increased from 64.1+/-5.3 (control) to 89.8+/-3.0 and 83.6+/ 3.0 (coenzyme Q10 and L-arginine, respectively). pD2 (-lgEC50) value in control study was 5.81+/-0.28, after pretreatment with coenzyme Q10 or L-arginine were 7.59+/-0.16 and 7.26+/-0.32, respectively. There was no difference between coenzyme Q10 and L-arginine groups. After intravenous administration, the relaxant responses to acetylcholine were significantly increased in coenzyme Q10 treated group (94.2+/-2.0) compared with controls (68.1+/-4.4). pD2 values were also different between control and treatment groups (5.79+/-0.29 vs. 8.14+/-0.65, respectively). Thus, coenzyme Q10 improved NO-mediated vasodilation in rat aorta in magnitude close to the effects of L-arginine - substrate for eNOS. Our data first show that exogenous coenzyme Q10 through intravenous administration is able to improve rapidly NO-dependent vasodilation in rat aorta, likely due to accumulation of coenzyme Q10 in the vessel wall. Improvement of endothelial function can contribute, at least in part, to beneficial effects of coenzyme Q10 in cardiovascular diseases associated with endothelial dysfunction. PMID- 27864104 TI - Pharmacological response sensitization in nerve cell networks exposed to the antibiotic gentamicin. AB - Gentamicin is an aminoglycoside antibiotic that is used in clinical, organismic, and agricultural applications to combat gram-negative, aerobic bacteria. The clinical use of gentamicin is widely linked to various toxicities, but there is a void in our knowledge about the neuromodulatory or neurotoxicity effects of gentamicin. This investigation explored the electrophysiologic effects of gentamicin on GABAergic pharmacological profiles in spontaneously active neuronal networks in vitro derived from auditory cortices of E16 mouse embryos and grown on microelectrode arrays. Using the GABAA agonist muscimol as the test substance, responses from networks to dose titrations of muscimol were compared in the presence and absence of 100uM gentamicin (the recommended concentration for cell culture conditions). Spike-rate based EC50 values were generated using sigmoidal fit concentration response curves (CRCs). Exposure to 100uM gentamicin exhibited a muscimol EC50+/-S.E.M. of 80+/-6nM (n=10). The EC50 value obtained in the absence of gentamicin was 124+/-11nM (n=10). The 35% increase in potency suggests network sensitization to muscimol in the presence of gentamicin. Action potential (AP) waveform analyses of neurons exposed to gentamicin demonstrated a concentration-dependent decrease in AP amplitudes (extracellular recordings), possibly reflecting gentamicin effects on voltage-gated ion channels. These in vitro results reveal alteration of pharmacological responses by antibiotics that could have significant influence on the behavior and performance of animals. PMID- 27864106 TI - WITHDRAWN: Transurethral Resection of Prostate and Bleeding: A Prospective Randomized, Double-blind, Placebo-controlled Trial to See Efficacy of Short-term Use of Finasteride and Dutasteride on Operative Blood Loss and Prostatic Microvessel Density. AB - This article has been withdrawn at the request of the author(s) and/or editor. The Publisher apologizes for any inconvenience this may cause. The full Elsevier Policy on Article Withdrawal can be found at http://www.elsevier.com/locate/withdrawalpolicy. PMID- 27864105 TI - Epigallocatechin-3-gallate prevents cardiac apoptosis by modulating the intrinsic apoptotic pathway in isoproterenol-induced myocardial infarction. AB - (-)Epigallocatechin-gallate (EGCG) is an emerging natural therapy. This study examined the cardioprotective effect of EGCG on isoproterenol-induced myocardial damage and apoptosis and EGCG's role in modulating the expression of apoptotic signaling proteins. Experimental myocardial infarction was induced in albino Westar rats by isoproterenol (ISO) administration (100mg/kg, s.c.) at an interval of 24h on the 6th and 7th day. EGCG (15mg/kg, i.p.) was administered seven days before ISO. EGCG pretreatment significantly showed an anti-lipidemic effect and protected the cell membrane integrity, as shown by the blocking of changes in serum levels of CK-MB, LDH, ALP, ALT and troponin T. EGCG also maintained the redox balance by preventing the inhibition of the activity of SOD and CAT while limiting lipid peroxidation. Pretreatment with EGCG inhibited the stimulation of the pro-inflammatory cytokine, TNF-alpha, in the serum. In animals treated with EGCG, tissue Bcl-2 expression exceeded the values observed after ISO treatment and down-regulated the expression of pro-apoptotic signaling proteins, including Bax, caspase-9 and 3. This is accompanied by the protection of genomic integrity by inhibiting DNA fragmentation coincident with the down-regulation of P53. In conclusion, EGCG protected against cardiac damage by decreasing apoptosis in myocardium tissue by 1) maintaining the balance of anti-apoptotic / pro-apoptotic signaling proteins in the mitochondrial pathway of cell death, 2) limiting oxidative stress while performing antioxidant and anti-inflammatory effects, and 3) protecting DNA integrity, sustaining cardiac health. Therefore, EGCG is potentially beneficial as an early intervention in cardiac attack. PMID- 27864107 TI - Should Hypoechoic Lesions on Transrectal Ultrasound Be Sampled During Magnetic Resonance Imaging-targeted Prostate Biopsy? AB - OBJECTIVE: To determine whether supplemental biopsy of hypoechoic ultrasound lesions (HUL) incidentally found during magnetic resonance imaging (MRI) transrectal ultrasound (TRUS) fusion-targeted prostate biopsy results in improved prostate cancer (PCa) detection. METHODS: Patients underwent MRI-TRUS-targeted biopsy as part of an ongoing prospective trial from August 2007 to February 2015. For men with HUL, the biopsy pathology of HUL and MRI lesions was classified according to the updated 2014 International Society of Urological Pathology (ISUP) grading system. The detection of PCa by MRI-targeted biopsy with and without HUL biopsy was compared. RESULTS: Of 1260 men in the trial, 106 underwent biopsy of 119 HULs. PCa was diagnosed in 52 out of 106 men (49%) by biopsy of either MRI lesions or HUL. Biopsy of HUL in addition to MRI lesions resulted in 4 additional diagnoses of high-grade (ISUP grades 3-5) PCa versus biopsy of MRI lesions alone (20 vs 16 men, P = .046). Three of these cases were upgraded from lower grade (ISUP grades 1-2) PCa on MRI-guided biopsy alone, and only 1 case (1% of cohort) was diagnosed that would have been missed by MRI-guided biopsy alone. Supplemental biopsy of HUL did not change the PCa risk category in 96% (102 out of 106) of men with HUL. CONCLUSION: Supplemental biopsy of HUL yields a small increase in the detection of higher grade PCa as compared with biopsy of MRI lesions alone. As upgrading is rare, routinely screening for HUL during MRI targeted biopsy remains controversial. PMID- 27864108 TI - Biopsy Perineural Invasion in Prostate Cancer Patients Who Are Candidates for Active Surveillance by Strict and Expanded Criteria. AB - OBJECTIVE: To evaluate the association of biopsy perineural invasion (PNI) with adverse pathologic findings on radical prostatectomy in patients who would have been candidates for active surveillance (AS). METHODS: Using a prospectively populated database of 3084 men who underwent open radical prostatectomy, candidates for AS by strict (Johns Hopkins) and expanded (University of Toronto) criteria were identified. The presence of adverse pathologic features at radical prostatectomy was compared between those men with and without biopsy PNI. RESULTS: Of 596 men who met strict criteria for AS, 16 (3%) had biopsy PNI. In the strict AS cohort, there were no differences in adverse pathologic features at radical prostatectomy between those with and without PNI. Of 1197 men who were candidates for AS by expanded criteria, 102 (9%) had biopsy PNI. Men with biopsy PNI in the expanded AS cohort were more likely to have extraprostatic extension (P < .001) and pathologic upgrading (P = .01) at prostatectomy. In addition, those with PNI had larger dominant nodules (P < .001), and cancer comprised a greater percentage of their prostate glands (P < .001). There was no difference in the proportion with a positive margin between the 2 groups (P = .77). CONCLUSION: Biopsy PNI was rare in patients who met strict criteria for AS. Among those men who met expanded criteria, PNI was associated with adverse pathologic findings upon prostatectomy. The presence of biopsy PNI may have a role in further risk stratifying patients who meet expanded criteria for AS. PMID- 27864109 TI - Selective cytotoxicity of microcystins LR, LW and LF in rat astrocytes. AB - Microcystins (MCs) comprise a group of cyanobacterial toxins with hepatotoxic, nephrotoxic and, possibly, neurotoxic activity in mammals. In order to understand the development of their neurotoxicity we investigated the toxic effects of MC variants, MC-LR, MC-LW and MC-LF, in astrocytes that play a central role in maintaining brain homeostasis. 24h exposure of cultured rat cortical astrocytes to MCs revealed dose-dependent toxicity of MC-LF and MC-LW, but not of MC-LR, observed by significant reduction in cell number, declined viability monitored by MTT test and an increased percentage of apoptotic cells, confirmed by Annexin-V labelling. The cultured astrocytes expressed organic anion-transporting polypeptides (Oatp) Oatp1a4, Oatp1c1 and Oatp1a5, but not Oatp1b2. Intracellular localisation of MC-LF and MC-LW, proven by anti-Adda primary antibody, demonstrated transport of tested MCs into cultured astrocytes. Acute MC-LW and MC LF intoxication induced cytoskeletal disruption as seen by the degradation of glial fibrillary acid protein (GFAP), actin and the tubulin network. In this in vitro study, MC-LF and MC-LW, but not MC-LR, are shown to cause the dysfunction of astrocytic homeostatic capabilities, already at low concentrations, suggesting that astrocyte atrophy, with loss of function, could be expected in the brain response to the toxic insult. PMID- 27864110 TI - Antinociceptive activity and mechanism of action of hydroalcoholic extract and dichloromethane fraction of Amphilophium crucigerum seeds in mice. AB - ETHNOPHARMACOLOGICAL RELEVANCE: The medicinal plant generally known as monkey's comb (Amphilophium crucigerum) has been popularly described for the treatment of neuropathic and inflammatory pain, specially seeds preparations. AIM OF THE STUDY: The goal of the present study was to evaluate the antinociceptive effect of the crude extract (Crd) and dichloromethane fraction (Dcm) of A. crucigerum seeds, and investigate the involvement of transient receptor potential vanilloid 1 (TRPV1) receptor in this effect. MATERIALS AND METHODS: Male Swiss mice were used in this study. The effects of Crd and Dcm was tested on capsaicin-induced Ca2+ influx or the specific binding of [3H]-resiniferatoxin. Moreover, after treatment with Crd or Dcm, animals were exposed to acute pain (hot water tail flick and capsaicin intraplantar test) or chronic pain models (injection of complete Freund's adjuvant or partial ligation of the sciatic nerve). Acute adverse effects were also noted: locomotor activity, corporal temperature, hepatic or renal damage, gastrointestinal transit alteration, and ulcerogenic activity. RESULTS: The oral administration of Crd or Dcm resulted in an antinociceptive effect in the hot water tail-flick (48 degrees C) and capsaicin intraplantar tests. Furthermore, these preparations exhibited antinociceptive and anti-inflammatory effects in a chronic inflammatory pain model, and antinociceptive effects in a neuropathic pain model. Moreover, Crd and Dcm reduced capsaicin-induced Ca2+ influx and diminished the [3H]-resiniferatoxin specific binding to spinal cord membranes. Acute adverse events were not found with Crd or Dcm administration. CONCLUSION: In conclusion, our results support the analgesic effect of A. crucigerum and suggest the presence of compounds that may act as TRPV1 antagonists. PMID- 27864111 TI - Secondary metabolites from Tetracera potatoria stem bark with anti-mycobacterial activity. AB - ETHNOPHARMACOLOGICAL RELEVANCE: Tetracera potatoria Afzel. Exg. Don (Dilleniaceae) is a medicinal plant used traditionally in Africa for the treatment of tuberculosis related ailments and respiratory infections. The antibacterial activity of the medium polar extracts of T. potatoria leaves and stem bark was recently reported against Mycobacterium smegmatis (MIC 25ug/mL) and M. aurum (65ug/mL), two fast-growing Mycobacterium strains used as model micro organisms for the more pathogenic strain Mycobacterium tuberculosis (Fomogne Fodjo et al., 2014). The aim of this study was consequently to isolate the compounds possibly contributing to this activity, and which may therefore be promising precursors to be used for the development of novel anti-TB drugs. MATERIALS AND METHODS: T. potatoria medium polar extract [MeOH/DCM (1:1, v/v)] was fractionated sequentially with petroleum ether to which EtOAC and MeOH were gradually added to increase the polarity. The examination of T. potatoria extract and its fractions was guided by bioassays for anti-mycobacterial activity against M. smegmatis (ATCC 23246) and M. aurum (NCTC 10437) using the minimum inhibitory concentration (MIC) method. All the isolated compounds were structurally elucidated using spectroscopic techniques and evaluated for their anti mycobacterial activity. RESULTS: Two novel secondary metabolites (1, 2) named tetraceranoate and N-hydroxy imidate-tetracerane, together with five known compounds [beta-stigmasterol (3), stigmast-5-en-3beta-yl acetate (4), betulinic acid (5), betulin (6) and lupeol (7)] were isolated and identified. Tetraceranoate exhibited the best activity against M. smegmatis with a minimum inhibitory concentration (MIC) of 7.8ug/mL, while beta-stigmasterol, betulinic acid and betulin showed appreciable anti-mycobacterial activity against both strains (MIC 15ug/mL). CONCLUSION: Seven compounds were isolated from the medium polar extract [MeOH/DCM (1:1, v/v)] of T. potatoria stem bark. Only tetraceranoate one of the isolated compounds showed antibacterial activity against M. smegmatis having efficacy as high as rifampicin (one of a three drug regimen recommended in the initial phase short-course anti-tuberculosis therapy). Thus, tetraceranoate might be an interesting target for systematic testing of anti-TB treatment and management. This research supports the use of T. potatoria in African traditional medicine for the treatment of tuberculosis related symptoms. PMID- 27864112 TI - Polar extracts from the berry-like fruits of Hypericum androsaemum L. as a promising ingredient in skin care formulations. AB - ETHNOPHARMACOLOGICAL RELEVANCE: The top flowering aerial parts of the Hypericum species are traditionally used to prepare ointments to heal cuts and burns. Sometimes even the fruits are used for these purposes. Hypericum androsaemum L., commonly known as tutsan or shrubby St. John's Wort, is a Mediterranean medicinal plant which has been traditionally used to prepare an ointment for treating cuts and wounds. AIM OF THE STUDY: To evaluate the extracts obtained from H. androsaemum red berries as functional ingredients for skin care formulations. MATERIALS AND METHODS: The methanolic extract was obtained by Soxhlet extraction while the aqueous extract was prepared by decoction; their composition was determined by HPLC analysis. Their biological activities were measured in terms of proliferation and migration of human fibroblasts, inhibition of collagenase activity, and immunomodulatory effects on human peripheral blood mononuclear cells (PBMCs). In addition, we evaluated their photostability by UV spectroscopy and their protective effects against APPH-induced hemolysis in red blood cells (RBC). RESULTS: The polar extracts contained significant amounts of shikimic (108,143.7-115,901.3mg/kg) and chlorogenic acids (45,781.1-57,002.7mg/kg). The main components of these extracts made an important contribution to a significant increase in human fibroblast migration. Both extracts were also active as collagenase inhibitors, with the aqueous one showing a greater inhibitory capacity (IC50 value of 88.1ug/mL), similar to that of chlorogenic acid. The kinetic parameters determined for the enzymatic reaction revealed for both aqueous extract and chlorogenic acid an uncompetitive mechanism of inhibition. The methanolic extract showed important effects on PBMCs by modulating IL-6. Both extracts proved to be photostable in the UVA/B range and protected RBC against peroxidation at low concentrations. CONCLUSIONS: H. androsaemum red berries were proven to contain phytochemicals that improve skin regeneration, hence potentially employable in skin care formulations. PMID- 27864113 TI - Chenopodium album Linn. leaves prevent ethylene glycol-induced urolithiasis in rats. AB - ETHNOPHARMACOLOGICAL RELEVANCE: The leaves of Chenopodium album Linn. are traditionally used for correction of kidney diseases and urinary stones. The present work investigated the effect of methanolic and aqueous extracts of leaves of Chenopodium album on experimentally-induced urolithiasis in rats to substantiate its traditional use as antilithiatic agent. MATERIALS AND METHODS: The leaf extract was standardized by HPLC. Urolithiasis was induced in rats by administration of 0.75% v/v of ethylene glycol (EG) in distilled water and in addition, vehicle or methanol (CAME) or aqueous (CAAE) extract of the leaves of Chenopodium album each in the dose 100, 200 and 400mg/kg or Cystone (750mg/kg) were administered daily orally for 28 days. Urolithiasis was assessed by estimating the calcium, phosphorus, urea, uric acid, and creatinine in both urine and plasma. The volume, pH and oxalate levels were also estimated in urine. The renal oxalate content was estimated in kidney while calcium oxalate deposits were observed histologically. RESULTS: The treatment with CAME or CAAE for 28 days significantly attenuated the EG-induced elevations in the urine and plasma levels of calcium, phosphorus, urea, uric acid and creatinine along with decrease in urine volume, pH and oxalates. The treatments also decreased renal tissue oxalate and deposition of oxalate crystals in kidney due to EG treatment. The effects of CAME and CAAE were comparable to standard antilithiatic agent, cystone. The findings indicate the preventive effect of CAME and CAAE which can be due to inhibitory effect on crystallization and stone dissolution. The effect was attributed to the presence of phytochemicals like flavonoids and saponins. CONCLUSION: In conclusion, Chenopodium album leaves exhibited antilithiatic effect and validates its ethnomedicinal use in urinary disorders and kidney stones. PMID- 27864114 TI - Lipopolysaccharide promotes tumorigenicity of hepatic progenitor cells by promoting proliferation and blocking normal differentiation. AB - Hepatic progenitor cells (HPCs) are bipotential stem cells that can differentiate into mature hepatocytes or biliary epithelial cells (BECs). They are thought to be involved in repair of liver injury and the incidence of hepatic carcinoma. Their physiology is closely associated with the microenvironment where they reside. Lipopolysaccharide (LPS), an important component of the hepatic pathological microenvironment, is stored in the liver and affects many types of cells in various hepatosis. HPCs may also be influenced by LPS. In this paper, mouse ED13.5 E-cadherin+ foetal liver cells were isolated as mouse hepatic progenitor cells (mHPCs). Proliferation of mHPCs was promoted under LPS conditions both in vivo and in vitro. Moreover, LPS enhanced colony formation ability of mHPCs, and blocked them differentiation into mature hepatocytes and formation of a bile duct-liked structure. More importantly, long-term treatment with LPS promoted tumorigenesis of mHPCs in nude mice. Thus, we conclude that LPS may promote aberrant proliferation of mHPCs and restrict their normal differentiation. Long-term exposure of mHPCs to LPS increased the risk of tumour formation. These data provide insight into the links between LPS, HPCs fate, and tumorigenesis, and present novel insight into the relationship between HPCs and their microenvironment. PMID- 27864115 TI - Synergistic antitumor activity of regorafenib and lapatinib in preclinical models of human colorectal cancer. AB - Regorafenib significantly prolongs overall survival in patients with metastatic colorectal cancer (mCRC), but the overall clinical efficacy of regorafenib remains quite limited. Combination chemotherapy is a potentially promising approach to enhance anticancer activity, overcome drug resistance, and improve disease-free and overall survival. The current study investigates the antitumor activity of regorafenib in combination with lapatinib in preclinical models of human CRC. Our results show improved antitumor efficacy when regorafenib is combined with lapatinib both in vitro and in vivo. Furthermore, pharmacokinetic analyses revealed that regorafenib and lapatinib do not influence on each plasma concentration. The finding that regorafenib in combination with lapatinib have synergistic activity warrants further clinical investigation of this beneficial combination as a potential treatment strategy for CRC patients. PMID- 27864116 TI - Solid pseudopapillary tumor: a new tumor entity in the testis? Reply. PMID- 27864117 TI - Microcystic, elongated, and fragmented pattern invasion is mainly associated with isolated tumor cell pattern metastases in International Federation of Gynecology and Obstetrics grade I endometrioid endometrial cancer. AB - Although many studies have evaluated the impact of mismatch repair protein loss of expression (MMR LOE) or microcystic, elongated, and fragmented (MELF) pattern of myometrial invasion as individual factors in endometrial cancer, we analyzed the combined impact of both. We reviewed every case of International Federation of Gynecology and Obstetrics (FIGO) grade 1 endometrioid endometrial cancers (EECs) from our institution, between 2011 and 2015, that had a sentinel lymph node biopsy and/or a lymphadenectomy, and examined the following data: age, myometrial infiltration, MELF infiltration, lymphovascular space invasion, and lymph node status. These cases were then grouped according to the absence of lymph node metastases, the presence of isolated tumor cell (ITC) lymph node metastases, or the presence of non-ITC metastases. Among the 127 cases that were in our study, 105 patients did not have nodal metastases, whereas 22 patients showed metastases, of which 11 were ITC. MMR LOE was only significantly associated with a higher odds ratio (OR) of metastases (OR, 7.44; P < .001). MELF was only associated with a higher OR of ITC-pattern metastases (OR, 32.3; P < .001). This study distinguished the effects of MELF and MMR LOE on the risk of metastases in FIGO grade 1 EEC. Further research on the clinical impact of MELF and ITC-pattern metastases is warranted to better guide clinicians on the management of patients with FIGO grade 1 EEC harboring such characteristics, which are still considered low-risk cancer. PMID- 27864118 TI - Azzopardi phenomenon reported in metal-on-metal arthroplasties is in fact iron encrustation of blood vessels. PMID- 27864119 TI - Role of miR-139 as a surrogate marker for tumor aggression in breast cancer. AB - MicroRNAs are non-protein coding molecules that play a key role in oncogenesis, tumor progression, and metastasis in many types of malignancies including breast cancer. In the current study, we studied the expression of microRNA-139-5p (miR 139) in invasive ductal carcinoma (IDC) of the breast and correlated its expression with tumor grade, molecular subtype, hormonal status, human epidermal growth factor receptor 2 status, proliferation index, tumor size, lymph node status, patient's age, and overall survival in 74 IDC cases. In addition, we compared and correlated miR-139 expression in 18 paired serum and tissue samples from patients with IDC to assess its value as a serum marker. Our data showed that miR-139 was down-regulated in all tumor tissue samples compared with control. More pronounced down-regulation was seen in tumors that were higher grade, estrogen receptor negative, progesterone receptor negative, more proliferative, or larger in size (P < .05). Although not statistically significant, lower miR-139 level was frequently associated with human epidermal growth factor receptor 2 overexpression. In addition, significantly lower miR-139 tissue level was seen in patients who were deceased (P = .027), although older age (>50 years) and positive local nodal disease did not adversely affect miR-139 expression. In contrast, serum miR-139 profile of the patients appeared similar to that of normal control. In conclusion, our study demonstrated that down regulation of miR-139 was associated with aggressive tumor behavior and disease progression in breast cancer. miR-139 may serve as a risk assessment biomarker in tailoring treatment options. PMID- 27864120 TI - Epidermal growth factor receptor as an adverse survival predictor in squamous cell carcinoma of the penis. AB - Penile carcinoma (PC) is more frequent in underdeveloped countries, generally is diagnosed at an advanced stage when therapeutic options are restricted, and thus is associated with high morbidity/mortality rates. Recent studies have demonstrated clinical benefits with epidermal growth factor receptor (EGFR) targeted therapy in patients with PC, although there is no test that provides accurate patient selection. The aim of the present study was to evaluate the prognostic value of EGFR gene and protein status in tumor samples from patients with primary penile squamous cell carcinoma. We assessed the expression of wild type and 2 mutant EGFR isoforms (delA746-E750 and mL858R) by immunohistochemistry in 139 samples, of which 49 were also evaluated for EGFR copy number by fluorescence in situ hybridization (FISH). Positive immunohistochemical staining of wild-type and mutant EGFR was evidenced by complete and strong membranous staining. For FISH analysis, cases were considered unaltered, polysomic, or amplified, as determined by signals of the EGFR gene and chromosome 7. An independent cohort of 107 PC samples was evaluated for mutations in EGFR, KRAS, and BRAF. Protein overexpression was noted in nearly half of the cases and was associated with cancer recurrence (P=.004) and perineural invasion (P=.005). Expression of the 2 mutated EGFR isoforms was not observed. The FISH status was not associated with protein expression. Altered FISH (polysomy and gene amplification) was an independent risk factor for dying of cancer. Only 1 patient of 107 presented KRAS mutations, and no mutations of EGFR or BRAF were observed. PMID- 27864121 TI - Gene amplification of CCNE1, CCND1, and CDK6 in gastric cancers detected by multiplex ligation-dependent probe amplification and fluorescence in situ hybridization. AB - New and effective treatments for advanced gastric cancer are urgently needed. Cyclins E and D1 form a complex with cyclin-dependent kinase 2, 4, or 6 to regulate G1-S transition. The G1-S regulatory genes encoding cyclin E (CCNE1), cyclin D1 (CCND1), and CDK6 (CDK6) are frequently amplified in gastric cancer and may therefore influence molecularly targeted therapies against ERBB2 or EGFR when coamplified. A total of 179 formalin-fixed and paraffin-embedded gastric cancer specimens were examined for these gene amplifications by multiplex ligation dependent probe amplification and fluorescence in situ hybridization. Amplification of at least 1 G1-S regulatory gene was found in 35 tumors (CCNE1 amplification, 15% of samples; CCND1, 6%; CDK6, 1%). In 13 of the 35 tumors, dual color fluorescence in situ hybridization identified coamplification of the G1-S regulatory genes with ERBB2, EGFR, and/or KRAS in single cancer nuclei. The observation that cells with G1-S regulatory gene amplification contained clonal subpopulations with coamplification of ERBB2, EGFR, or KRAS in 5 early and 3 advanced cancers suggests that amplification of the G1-S regulatory genes represents an early event, which precedes ERBB2, EGFR, or KRAS amplification. Amplified CCNE1, CCND1, and CDK6 in advanced gastric cancer may be potentially useful as direct targets for molecular therapy or for combination therapy with ERBB2 or EGFR inhibitors. Multiplex ligation-dependent probe amplification could be a useful tool for identification of patients who would benefit from such therapies. PMID- 27864122 TI - Sclerosing TFEB-rearrangement renal cell carcinoma: a recurring histologic pattern. AB - Renal cell carcinoma with TFEB rearrangement (t[6;11][p21;q13]) was initially recognized to be composed of dual populations of large cells with clear cytoplasm and small cells forming rosettes around hyaline material. With increasing awareness, however, the spectrum of described morphology has been found to be more heterogeneous. We report a 54-year-old woman who underwent partial nephrectomy for a 2.4-cm renal mass, composed of fibrosis, hyalinization, calcification, and ossification and a smaller component of epithelioid cells. Immunohistochemical staining revealed diffuse positivity for cytokeratin AE1/AE3 and PAX8, patchy labeling for melan-A, human melanosome, and cathepsin K, and negative caldesmon, smooth muscle actin, TFE3 protein, carbonic anhydrase IX, CD10, cytokeratin 7, epithelial membrane antigen, and inhibin. Fluorescence in situ hybridization confirmed rearrangement of TFEB and not TFE3. Together with one recent case in another report, our findings suggest that extensive sclerosis and ossification may be a less common recurring histology of TFEB-rearrangement renal cell carcinoma. PMID- 27864123 TI - PTEN/PI3K/AKT protein expression is related to clinicopathological features and prognosis in breast cancer with axillary lymph node metastases. AB - We explored the relations between PTEN/PI3K/AKT expression and clinicopathological characteristics and prognosis in breast cancer patients with and without axillary lymph node metastasis (LNM). Tissues and follow-up data from 142 patients with (LNM group) and 154 without (non-LNM group) metastases were collected. Expression of PTEN/PI3K/AKT was detected using immunohistochemistry staining. With axillary LNM, the positive rate of PTEN was reduced, whereas that of PI3K and AKT was increased. Expression of AKT was negatively correlated with PTEN expression but positively correlated with PI3K expression. Apparent correlations were detected between AKT and axillary LNM with a tumor size of 2 cm or less; between PTEN, PI3K, and AKT and axillary LNM in stage T1 or T2 breast cancer and invasive carcinoma of a nonspecial type; and between PTEN and AKT and axillary LNM of histologic grade I or II tumors and non-triple-negative breast cancer (all P<.05). In the LNM group, the 5-year survival rate of patients with PTEN-positive tumors was higher than that of patients with PTEN-negative lesions; whereas in the non-LNM group, the 5-year survival rate of patients with AKT positive tumors was lower than that of patients with AKT-negative lesions (both P<.05). Cox regression analysis showed that PTEN expression was an independent prognostic factor for patients with LNM; AKT expression, tumor diameter, pathologic grade, and pathologic type were independent prognostic factors for patients without LNM. In conclusion, TEN/PI3K/AKT proteins are related to the clinicopathological features and prognosis of breast cancer with axillary LNM. PMID- 27864124 TI - CD133 expression in well-differentiated pancreatic neuroendocrine tumors: a potential predictor of progressive clinical courses. AB - The present study aimed to elucidate whether the stemness molecule, CD133, is expressed in well-differentiated pancreatic neuroendocrine tumors (PanNETs; World Health Organization grades 1 and 2) and establish its clinical relevance using 2 separate cohorts. In the first series (n = 178) in which tissue microarrays were available, immunohistochemistry revealed that CD133 was expressed in 14 cases (8%). CD133+ PanNETs had higher TNM stages (P < .01), more frequent lymphovascular invasion (P = .01), and higher recurrence rates (P = .01). In the second cohort (n = 56), the expression of CD133 and CK19 was examined in whole tissue sections. CD133 and CK19 were positive in 10 (18%) and 36 (64%) cases, respectively. CD133 expression correlated with higher pT scores (P < .01), the presence of microscopic venous infiltration (P = .03), and shorter disease-free periods (P < .01). When cases were divided into grade 1 and 2 neoplasms, patients with CD133+ PanNET continued to have shorter disease-free periods than did those with CD133- tumors in both groups (P < .01 and P = .02, respectively). Although CK19+ cases had shorter disease-free periods than did CK19- cases in the whole cohort (P = .02), this difference was less apparent in subanalyses of grade 1 and 2 cases. CD133 expression also appeared to be an independent predictive factor for tumor recurrence in a multivariate analysis (P = .018). The CD133 phenotype was identical between primary and metastatic foci in 17 of 18 cases from which tissues of metastatic deposits were available. In conclusion, the combination of CD133 phenotyping and World Health Organization grading may assist in stratifying patients in terms of the risk of progressive clinical courses. PMID- 27864125 TI - Solid pseudopapillary tumor: a new tumor entity in the testis? PMID- 27864126 TI - The Use of Life-Sustaining Procedures in the Last Month of Life Is Associated With More Depressive Symptoms in Surviving Spouses. AB - CONTEXT: Family caregivers of individuals with serious illness who undergo intensive life-sustaining medical procedures at the end of life may be at risk of negative consequences including depression. OBJECTIVES: The objective of this study was to determine the association between patients' use of life-sustaining procedures at the end of life and depressive symptoms in their surviving spouses. METHODS: We used data from the Health and Retirement Study, a longitudinal survey of U.S. residents, linked to Medicare claims data. We included married Medicare beneficiaries aged 65 years and older who died between 2000 and 2011 (n = 1258) and their surviving spouses. The use of life-sustaining procedures (i.e., intubation/mechanical ventilation, tracheostomy, gastrostomy tube insertion, enteral/parenteral nutrition, and cardiopulmonary resuscitation) in the last month of life was measured via claims data. Using propensity score matching, we compared change in depressive symptoms of surviving spouses. RESULTS: Eighteen percent of decedents underwent one or more life-sustaining procedures in the last month of life. Those whose spouses underwent life-sustaining procedures had a 0.32-point increase in depressive symptoms after death (scale range = 0-8) and a greater likelihood of clinically significant depression (odds ratio = 1.51) compared with a matched sample of spouses of those who did not have procedures (P < 0.05). CONCLUSION: Surviving spouses of those who undergo intensive life sustaining procedures at the end of life experience a greater magnitude of increase in depressive symptoms than those whose spouses do not undergo such procedures. Further study of the circumstances and decision making surrounding these procedures is needed to understand their relationship with survivors' negative mental health consequences and how best to provide appropriate support. PMID- 27864129 TI - Pretreatment of cashew apple bagasse using protic ionic liquids: Enhanced enzymatic hydrolysis. AB - To enhance the enzymatic digestibility of cashew apple bagasse (CAB) feedstock in order to produce sugar fermentation-derived bioproducts, the CAB was subjected to three different pretreatments with the ionic liquid 2-hydroxyl-ethylammonium acetate (2-HEAA) and characterized by FTIR, NMR and chemical methods. All conditions were able to delignify CAB, however the best lignin removal (95.8%) was achieved through the method performed with 8.7% w/w of CAB/2-HEAA ratio at 130 degrees C for 24h. Although the cellulose crystallinity has been increased in CAB treated with the ionic liquid, but this fact did not influence its digestibility. Nevertheless, the pretreatment with 2-HEAA enhanced significantly the cellulose digestibility, increasing the glucose yield from 48 to 747.72mgglucose/gCAB. Furthermore, 2-HEAA pretreatment was efficient even with reused ionic liquid, obtaining high glucose concentration. PMID- 27864127 TI - No Difference Between Latiglutenase and Placebo in Reducing Villous Atrophy or Improving Symptoms in Patients With Symptomatic Celiac Disease. AB - BACKGROUND & AIMS: Gluten ingestion leads to symptoms and small intestinal mucosal injury in patients with celiac disease. The only option is the strict lifelong exclusion of dietary gluten, which is difficult to accomplish. Many patients following a gluten-free diet continue to have symptoms and have small intestinal mucosal injury. Nondietary therapies are needed. We performed a phase 2 study of the ability of latiglutenase, an orally administered mixture of 2 recombinant gluten-targeting proteases, to reduce mucosal morphometric measures in biopsy specimens from patients with celiac disease. METHODS: We performed a double-blind, placebo-controlled, dose-ranging study to assess the efficacy and safety of latiglutenase in 494 patients with celiac disease (with moderate or severe symptoms) in North America and Europe, from August 2013 until December 2014. Participants reported following a gluten-free diet for at least 1 year before the study began. Patients with documented moderate or severe symptoms and villous atrophy (villous height:crypt depth ratio of <=2.0) were assigned randomly to groups given placebo or 100, 300, 450, 600, or 900 mg latiglutenase daily for 12 or 24 weeks. Subjects completed the Celiac Disease Symptom Diary each day for 28 days and underwent an upper gastrointestinal endoscopy with duodenal biopsy of the distal duodenum at baseline and at weeks 12 and 24. The primary end point was a change in the villous height:crypt depth ratio. Secondary end points included numbers of intraepithelial lymphocytes, serology test results (for levels of antibodies against tissue transglutaminase-2 and deamidated gliadin peptide), symptom frequencies, and safety. RESULTS: In a modified intent to-treat population, there were no differences between latiglutenase and placebo groups in change from baseline in villous height:crypt depth ratio, numbers of intraepithelial lymphocytes, or serologic markers of celiac disease. All groups had significant improvements in histologic and symptom scores. CONCLUSIONS: In a phase 2 study of patients with symptomatic celiac disease and histologic evidence of significant duodenal mucosal injury, latiglutenase did not improve histologic and symptom scores when compared with placebo. There were no significant differences in change from baseline between groups. ClinicalTrials.gov no: NCT01917630. PMID- 27864128 TI - Prostaglandin E2 Activates YAP and a Positive-Signaling Loop to Promote Colon Regeneration After Colitis but Also Carcinogenesis in Mice. AB - BACKGROUND & AIMS: Prostaglandin E2 (PGE2) is mediator of inflammation that regulates tissue regeneration, but its continual activation has been associated with carcinogenesis. Little is known about factors in the PGE2 signaling pathway that contribute to tumor formation. We investigated whether yes-associated protein 1 (YAP1), a transcriptional co-activator in the Hippo signaling pathway, mediates PGE2 function. METHODS: DLD-1 and SW480 colon cancer cell lines were transfected with vectors expressing transgenes or small hairpin RNAs and incubated with recombinant PGE2, with or without pharmacologic inhibitors of signaling proteins, and analyzed by immunoblot, immunofluorescence, quantitative reverse-transcription polymerase chain reaction, transcriptional reporter, and proliferation assays. Dextran sodium sulfate (DSS) was given to induce colitis in C57/BL6 (control) mice, as well as in mice with disruption of the hydroxyprostaglandin dehydrogenase 15 gene (15-PGDH-knockout mice), Yap1 gene (YAP-knockout mice), and double-knockout mice. Some mice also were given indomethacin to block PGE2 synthesis. 15-PGDH knockout mice were crossed with mice with intestine-specific disruption of the salvador family WW domain containing 1 gene (Sav1), which encodes an activator of Hippo signaling. We performed immunohistochemical analyses of colon biopsy samples from 26 patients with colitis-associated cancer and 51 age-and sex-matched patients with colorectal cancer (without colitis). RESULTS: Incubation of colon cancer cell lines with PGE2 led to phosphorylation of cyclic adenosine monophosphate responsive element binding protein 1 and increased levels of YAP1 messenger RNA, protein, and YAP1 transcriptional activity. This led to increased transcription of the prostaglandin-endoperoxide synthase 2 gene (PTGS2 or cyclooxygenase 2) and prostaglandin E-receptor 4 gene (PTGER4 or EP4). Incubation with PGE2 promoted proliferation of colon cancer cell lines, but not cells with knockdown of YAP1. Control mice developed colitis after administration of DSS, but injection of PGE2 led to colon regeneration in these mice. However, YAP-knockout mice did not regenerate colon tissues and died soon after administration of DSS. 15-PGDH knockout mice regenerated colon tissues more rapidly than control mice after withdrawal of DSS, and had faster recovery of body weight, colon length, and colitis histology scores. These effects were reversed by injection of indomethacin. SAV1-knockout or 15-PGDH-knockout mice did not develop spontaneous tumors after colitis induction, but SAV1/15-PGDH double-knockout mice developed polyps that eventually progressed to carcinoma in situ. Administration of indomethacin to these mice prevented spontaneous tumor formation. Levels of PGE2 correlated with those of YAP levels in human sporadic colorectal tumors and colitis-associated tumors. CONCLUSIONS: PGE2 signaling increases the expression and transcriptional activities of YAP1, leading to increased expression of cyclooxygenase 2 and EP4 to activate a positive signaling loop. This pathway promotes proliferation of colon cancer cell lines and colon tissue regeneration in mice with colitis. Constitutive activation of this pathway led to formation of polyps and colon tumors in mice. PMID- 27864130 TI - Role of macrophyte and effect of supplementary aeration in up-flow constructed wetland-microbial fuel cell for simultaneous wastewater treatment and energy recovery. AB - This study investigates the role of plant (Elodea nuttallii) and effect of supplementary aeration on wastewater treatment and bioelectricity generation in an up-flow constructed wetland-microbial fuel cell (UFCW-MFC). Aeration rates were varied from 1900 to 0mL/min and a control reactor was operated without supplementary aeration. 600mL/min was the optimum aeration flow rate to achieve highest energy recovery as the oxygen was sufficient to use as terminal electron acceptor for electrical current generation. The maximum voltage output, power density, normalized energy recovery and Coulombic efficiency were 545.77+/-25mV, 184.75+/-7.50mW/m3, 204.49W/kg COD, 1.29W/m3 and 10.28%, respectively. The variation of aeration flow rates influenced the NO3- and NH4+ removal differently as nitrification and denitrification involved conflicting requirement. In terms of wastewater treatment performance, at 60mL/min aeration rate, UFCW-MFC achieved 50 and 81% of NO3- and NH4+ removal, respectively. E. nuttallii enhanced nitrification by 17% and significantly contributed to bioelectricity generation. PMID- 27864131 TI - Combinations of fungal and milling pretreatments for enhancing rice straw biogas production during solid-state anaerobic digestion. AB - Rice straw was pretreated by different combinations of physical (milling) and biological (incubation with Pleurotus ostreatus fungus) treatment to improve its biodegradability and biogas production during solid-state anaerobic digestion (SS AD). Effects of milling (?2mm) and incubation time (10, 20 and 30d), on lignin, cellulose, and hemicellulose degradation during fungal pretreatment and methane yield during digestion were assessed by comparison with untreated rice straw. Both incubation time and milling had significant impacts on both lignin removal during fungal pre-treatment and methane yield during digestion. A combination of fungal pretreatment at 30days followed by milling prior to anaerobic digestion resulted in 30.4% lignin removal, the highest selectivity value (the ratio between relative lignin removal and relative cellulose removal) of 4.22, and the highest methane yield of 258L/kgVS. This was equivalent to a 165% increase in methane yield from SS-AD compared to untreated rice straw. PMID- 27864133 TI - Pilot scale dilute acid pretreatment of rice straw and fermentable sugar recovery at high solid loadings. AB - The aim of this work was to study the dilute acid pretreatment of rice straw (RS) and fermentable sugar recovery at high solid loadings at pilot scale. A series of pretreatment experiments were performed on RS resulting in >25wt% solids followed by enzymatic hydrolysis without solid-liquid separation at 20 and 25wt% using 10FPU/g of the pretreated residue. The overall sugar recovery including the sugars released in pretreatment and enzymatic hydrolysis was calculated along with a mass balance. Accordingly, the optimized conditions, i.e. 0.35wt% acid, 162 degrees C and 10min were identified. The final glucose and xylose concentrations obtained were 83.3 and 31.9g/L respectively resulting in total concentration of 115.2g/L, with a potential to produce >50g/L of ethanol. This is the first report on pilot scale study on acid pretreatment of RS in a screw feeder horizontal reactor followed by enzymatic hydrolysis at high solid loadings. PMID- 27864132 TI - Effect of nickel on the flocculability, settleability, and dewaterability of activated sludge. AB - Short-term and long-term effects of nickel (Ni) (0.1-10mg/L) on the physicochemical properties of activated sludge, including the flocculability, settleability, and dewaterability, were investigated. It was found that these properties were unaffected after short-term exposure (1day) to Ni(II) even at the level of 10mg/L. After long-term exposure (60days) to 1 and 10mg/L of Ni(II), however, the sludge flocculability has seriously deteriorated, while the settleability, and dewaterability became gradually better than the control. The mechanism studies revealed that long-term exposure to Ni(II) resulted in the decrease of protein content in extracellular polymeric substances (EPS) and the damage to EPS structures. Although Ni(II) did not bring any adverse effect on the cell membrane, the relative hydrophobicity of activated sludge was significantly decreased. The negative effects on the flocculability and phosphorus removal performance of activated sludge could be completely eliminated by adding the chelator such as EDTA and citrate. PMID- 27864135 TI - Comparison of autohydrolysis and ionic liquid 1-butyl-3-methylimidazolium acetate pretreatment to enhance enzymatic hydrolysis of sugarcane bagasse. AB - The aim of this work was to evaluate the efficiency of an ionic liquid (IL) 1 butyl-3-methylimidazolium acetate ([C4mim][OAc]) pretreatment (110 degrees C for 30min) in comparison to high severity autohydrolysis pretreatment in terms of delignification, cellulose crystallinity and enzymatic digestibility. The increase in severity of autohydrolysis pretreatment had positive effect on glucan digestibility, but was limited by the crystallinity of cellulose. [C4mim][OAc] pretreated sugarcane bagasse exhibited a substantial decrease in lignin content, reduced cellulose crystallinity, and enhanced glucan and xylan digestibility. Glucan and xylan digestibility was determined as 97.4% and 98.6% from [C4mim][OAc] pretreated bagasse, and 62.1% and 57.5% from the bagasse autohydrolyzed at 205 degrees C for 6min, respectively. The results indicated the improved digestibility and hydrolysis rates after [C4mim][OAc] pretreatment when compared against a comparable autohydrolyzed biomass. PMID- 27864134 TI - Biochemical methane potential of oil-extracted microalgae and glycerol in co digestion with chicken litter. AB - The objective of this work was to evaluate the technical feasibility of using both oil-extracted microalgae (M) and glycerol (G) in co-digestion with chicken litter (CL), thereby improving biochemical methane potential (BMP). Different feedstock ratios of M (0-30%), G (0-3%) and CL (67-100%) were investigated to determine the best co-digestion condition under mesophilic conditions. According to the modified Gompertz model, the best BMP (131.1mLCH4gVSfed-1) was obtained with the triple co-digestion (M:G:CL) in a proportion of 30:3:67. This yielded a methane production rate (MUm) of 3.3mLCH4gVSfed-1d-1 and a lag time (lambda) of 17.4d. This treatment reduced chemical oxygen demand (COD) by 91.02% and increased the methane yield 15.8% with respect to the CL control. PMID- 27864136 TI - The underlying mechanisms of genetic innovation and speciation in the family Corynebacteriaceae: A phylogenomics approach. AB - The pangenome of a bacterial species population is formed by genetic reduction and genetic expansion over the long course of evolution. Gene loss is a pervasive source of genetic reduction, and (exogenous and endogenous) gene gain is the main driver of genetic expansion. To understand the genetic innovation and speciation of the family Corynebacteriaceae, which cause a wide range of serious infections in humans and animals, we analyzed the pangenome of this family, and reconstructed its phylogeny using a phylogenomics approach. Genetic variations have occurred throughout the whole evolutionary history of the Corynebacteriaceae. Gene loss has been the primary force causing genetic changes, not only in terms of the number of protein families affected, but also because of its continuity on the time series. The variation in metabolism caused by these genetic changes mainly occurred for membrane transporters, two-component systems, and metabolism related to amino acids and carbohydrates. Interestingly, horizontal gene transfer (HGT) not only caused changes related to pathogenicity, but also triggered the acquisition of antimicrobial resistance. The Darwinian theory of evolution did not adequately explain the effects of dispersive HGT and/or gene loss in the evolution of the Corynebacteriaceae. These findings provide new insight into the evolution and speciation of Corynebacteriaceae and advance our understanding of the genetic innovation in microbial populations. PMID- 27864137 TI - Intergenomic evolution and metabolic cross-talk between rumen and thermophilic autotrophic methanogenic archaea. AB - Methanobrevibacter ruminantium M1 (MRU) is a rumen methanogenic archaean that can be able to utilize formate and CO2/H2 as growth substrates. Extensive analysis on the evolutionary genomic contexts considered herein to unravel its intergenomic relationship and metabolic adjustment acquired from the genomic content of Methanothermobacter thermautotrophicus DeltaH. We demonstrated its intergenomic distance, genome function, synteny homologs and gene families, origin of replication, and methanogenesis to reveal the evolutionary relationships between Methanobrevibacter and Methanothermobacter. Comparison of the phylogenetic and metabolic markers was suggested for its archaeal metabolic core lineage that might have evolved from Methanothermobacter. Orthologous genes involved in its hydrogenotrophic methanogenesis might be acquired from intergenomic ancestry of Methanothermobacter via Methanobacterium formicicum. Formate dehydrogenase (fdhAB) coding gene cluster and carbon monoxide dehydrogenase (cooF) coding gene might have evolved from duplication events within Methanobrevibacter Methanothermobacter lineage, and fdhCD gene cluster acquired from bacterial origins. Genome-wide metabolic survey found the existence of four novel pathways viz. l-tyrosine catabolism, mevalonate pathway II, acyl-carrier protein metabolism II and glutathione redox reactions II in MRU. Finding of these pathways suggested that MRU has shown a metabolic potential to tolerate molecular oxygen, antimicrobial metabolite biosynthesis and atypical lipid composition in cell wall, which was acquainted by metabolic cross-talk with mammalian bacterial origins. We conclude that coevolution of genomic contents between Methanobrevibacter and Methanothermobacter provides a clue to understand the metabolic adaptation of MRU in the rumen at different environmental niches. PMID- 27864138 TI - Sarniensine, a mesembrine-type alkaloid isolated from Nerine sarniensis, an indigenous South African Amaryllidaceae, with larvicidal and adulticidal activities against Aedes aegypti. AB - A new mesembrine-type alkaloid, named sarniensine, was isolated together with tazettine, lycorine, the main alkaloid, and 3-epimacronine from Nerine sarniensis, with the last two produced for the first time by this plant. This Amaryllidaceae, which is indigenous of South Africa, was investigated for its alkaloid content, because the organic extract of its bulbs showed strong larvicidal activity with an LC50 value of 0.008MUgMUL-1 against first instar Aedes aegypti larvae and with an LD50 value 4.6MUg/mosquito against adult female Ae. aegypti, which is the major vector for dengue, yellow fever and the Zika virus. The extract did not show repellency at MED value of 0.375mgcm2 against adult Ae. aegypti. Sarniensine was characterized using spectroscopic and chiroptical methods as (3aR,4Z,6S,7aS)-6-methoxy-3a-(2'-methoxymethyl-benzo [1,3]dioxol-1'-yl)-1-methyl-2,3,3a,6,7,7a-hexahydro-1H-indole. It was less effective against larva at the lowest concentration of 0.1MUgMUL-1, however it showed strong adulticidal activity with an LD50 value of 1.38+/-0.056MUgmosquito 1. PMID- 27864139 TI - Evening and morning peroxiredoxin-2 redox/oligomeric state changes in obstructive sleep apnea red blood cells: Correlation with polysomnographic and metabolic parameters. AB - We have examined the effects of Obstructive Sleep Apnea (OSA) on red blood cell (RBC) proteome variation at evening/morning day time to uncover new insights into OSA-induced RBC dysfunction that may lead to OSA manifestations. Dysregulated proteins mainly fall in the group of catalytic enzymes, stress response and redox regulators such as peroxiredoxin 2 (PRDX2). Validation assays confirmed that at morning the monomeric/dimeric forms of PRDX2 were more overoxidized in OSA RBC compared to evening samples. Six month of positive airway pressure (PAP) treatment decreased this overoxidation and generated multimeric overoxidized forms associated with chaperone/transduction signaling activity of PRDX2. Morning levels of overoxidized PRDX2 correlated with polysomnographic (PSG)-arousal index and metabolic parameters whereas the evening level of disulfide-linked dimer (associated with peroxidase activity of PRDX2) correlated with PSG parameters. After treatment, morning overoxidized multimer of PRDX2 negatively correlated with fasting glucose and dopamine levels. Overall, these data point toward severe oxidative stress and altered antioxidant homeostasis in OSA RBC occurring mainly at morning time but with consequences till evening. The beneficial effect of PAP involves modulation of the redox/oligomeric state of PRDX2, whose mechanism and associated chaperone/transduction signaling functions deserves further investigation. RBC PRDX2 is a promising candidate biomarker for OSA severity and treatment monitoring, warranting further investigation and validation. PMID- 27864140 TI - The role of miR-190a in methylglyoxal-induced insulin resistance in endothelial cells. AB - Methylglyoxal (MGO) is a reactive dicarbonyl produced as by-product of glycolysis, and its formation is heightened in hyperglycaemia. MGO plasma levels are two-fold to five-fold increased in diabetics and its accumulation promotes the progression of vascular complications. Impairment of endothelium-derived nitric oxide represents a common feature of endothelial dysfunction in diabetics. We previously demonstrated that MGO induces endothelial insulin resistance. Increasing evidence shows that high glucose and MGO modify vascular expression of several microRNAs (miRNAs), suggesting their potential role in the impairment of endothelial insulin sensitivity. The aim of the study is to investigate whether miRNAs may be involved in MGO-induced endothelial insulin resistance in endothelial cells. MGO reduces the expression of miR-190a both in mouse aortic endothelial cells (MAECs) and in aortae from mice knocked-down for glyoxalase-1. miR-190a inhibition impairs insulin sensitivity, whereas its overexpression prevents the MGO-induced insulin resistance in MAECs. miR-190a levels are not affected by the inhibition of ERK1/2 phosphorylation. Conversely, ERK1/2 activation is sustained by miR-190a inhibitor and the MGO-induced ERK1/2 hyper activation is reduced by miR-190a mimic transfection. Similarly, protein levels of the upstream KRAS are increased by both MGO and miR-190a inhibitor, and these levels are reduced by miR-190a mimic transfection. Interestingly, silencing of KRAS is able to rescue the MGO-impaired activation of IRS1/Akt/eNOS pathway in response to insulin. In conclusion, miR-190a down-regulation plays a role in MGO induced endothelial insulin resistance by increasing KRAS. This study highlights miR-190a as new candidate for the identification of strategies aiming at ameliorating vascular function in diabetes. PMID- 27864141 TI - Long-term inhibition of cyclophilin D results in intracellular translocation of calcein AM from mitochondria to lysosomes. AB - Cyclophilin D is a peptidyl-prolyl cis-trans isomerase localized in the mitochondrial matrix. Although its effects on mitochondrial characteristics have been well studied, its relation to the uptake of molecules by mitochondria remains unknown. Here, we demonstrated the effects of cyclophilin D on the intracellular translocation of calcein AM. Following addition of calcein AM to control cells or cells overexpressing wild-type cyclophilin D, calcein fluorescence was observed in mitochondria. However, long-term inhibition of cyclophilin D in these cells altered the localization of calcein fluorescence from mitochondria to lysosomes without changing mitochondrial esterase activity. In addition, depletion of glucose from the medium recovered calcein localization from lysosomes to mitochondria. This is the first demonstration of the effects of cyclophilin D on the intracellular translocation of molecules other than proteins and suggests that cyclophilin D may modify mitochondrial features by inducing the translocation of molecules to the mitochondria through the mechanism associated with cellular energy metabolism. PMID- 27864142 TI - Glycogen storage disease type Ib neutrophils exhibit impaired cell adhesion and migration. AB - Glycogen storage disease type Ib (GSD-Ib), characterized by impaired glucose homeostasis, neutropenia, and neutrophil dysfunction, is an inherited autosomal recessive disorder caused by a deficiency in the glucose-6-phosphate transporter (G6PT). Neutrophils play an essential role in the defense against invading pathogens. The recruitment of neutrophils towards the inflammation sites in response to inflammatory stimuli is a tightly regulated process involving rolling, adhesion, and transmigration. In this study, we investigated the role of G6PT in neutrophil adhesion and migration using in vivo and in vitro models. We showed that the GSD-Ib (G6pt-/-) mice manifested severe neutropenia in both blood and bone marrow, and treating G6pt-/- mice with granulocyte colony-stimulating factor (G-CSF) corrected neutropenia. However, upon thioglycolate challenge, neutrophils from both untreated and G-CSF-treated G6pt-/-mice exhibited decreased ability to migrate to the peritoneal cavity. In vitro migration and cell adhesion of G6PT-deficient neutrophils were also significantly impaired. Defects in cell migration were not due to enhanced apoptosis or altered fMLP receptor expression. Remarkably, the expression of the beta2 integrins CD11a and CD11b, which are critical for cell adhesion, was greatly decreased in G6PT-deficient neutrophils. This study suggests that deficiencies in G6PT cause impairment in neutrophil adhesion and migration via aberrant expression of beta2 integrins, and our finding should facilitate the development of novel therapies for GSD-Ib. PMID- 27864144 TI - Transcriptional regulation of microsomal prostaglandin E synthase 1 by the proto oncogene, c-myc, in the pathogenesis of inflammation and cancer. AB - Pro-inflammatory molecules play a key role in the progression of various types of cancers highlighting the importance of studying the pathways that regulate the inflammatory cytokine production. To this end, prostaglandins have been reported to correlate with exacerbated cancer phenotypes that may be prevented by using anti-inflammatory drugs in humans. To understand how the prostaglandin E synthase 1 (mPGES1) may be regulated we analyzed its promoter sequence and identified myc binding sites. Functional validation was performed by mutating the sites that led to attenuated promoter activation of mPGES1. The known c-myc inhibitor (10058-F4) also blocked PGE2 activity, indicating the importance of c-Myc in PGE2 synthesis. Isocoumarin analogs were able to reduce the expressions of both c-myc as well as mPGES1 and also inhibit the production of PGE2. Based on these data and the well established role of c-myc in oncogenesis, we have demonstrated an additional role of c-myc in exacerbating cancers via PGE2 production, which may provide a therapeutic opportunity to treat these diseases. PMID- 27864143 TI - C14orf93 (RTFC) is identified as a novel susceptibility gene for familial nonmedullary thyroid cancer. AB - The genetic causes for familial nonmedullary thyroid cancer (FNMTC) remain largely unknown. Through genetic linkage analysis and exome sequencing, C14orf93 (RTFC), PYGL, and BMP4 were identified as susceptibility gene candidates in a FNMTC family. By examining the expression and the oncogenic functions of these candidate genes, PYGL and BMP4 were excluded. We further characterized the functions of the uncharacterized gene RTFC in thyroid cancer. RTFC promotes thyroid cancer cell survival under starving conditions, and thyroid cancer cell migration. The R115Q, V205M and G209D RTFC mutants enhance the colony forming capacity of thyroid cancer cells, and are able to transform normal thyroid cells. In summary, our data suggest the roles of RTFC in thyroid carcinogenesis. PMID- 27864145 TI - MyD88 NEDDylation negatively regulates MyD88-dependent NF-kappaB signaling through antagonizing its ubiquitination. AB - Myeloid differentiation factor 88 (MyD88) plays a central role in innate immunity response, however, how its activity is tightly regulated remains largely unknown. In this study, we identify MyD88 as a novel substrate of NEDD8, and demonstrate that MyD88 NEDDylation antagonizes its ubiquitination. Interestingly, in response to the stimulation of IL-1beta, MyD88 NEDDylation is downregulated while its ubiquitination is upregulated. We also show that deNEDDylase NEDP1 serves as a regulator of this process. Furthermore, we demonstrate that NEDD8 negatively regulates the dimerization of MyD88 and suppresses MyD88-dependent NF-kappaB signaling. Taken together, this study reveals that NEDDylation of MyD88 regulates NF-kappaB activity through antagonizing its ubiquitination, suggesting a novel mechanism of modulating NF-kappaB signaling pathway. PMID- 27864146 TI - MicroRNA-187 regulates gastric cancer progression by targeting the tumor suppressor CRMP1. AB - Aberrant expression of microRNAs contributes to the initiation and progression of numerous human cancers. The underlying effects and molecular mechanisms of microRNA-187 (miR-187) in gastric cancer (GC) remain unclear. The present study reports that miR-187 was significantly overexpressed in GC tissues compared to that in non-tumor tissues and was associated with malignant clinical factors such as depth of invasion (P = 0.005), tumor size (P = 0.024), lymph node metastasis (P = 0.048), and TNM stage (P = 0.035). Additionally, miR-187 promoted tumor growth in vivo, and significantly increased migration, invasion, and proliferation, but inhibited apoptosis in GC cells. It was found that collapsin response mediator protein 1 (CRMP1), a tumor suppressor, was a direct downstream target of miR-187 in GC. Furthermore, CRMP1 silencing resulted in similar effects on cell proliferation, migration, and apoptosis as those of miR-187 overexpressing GC cells. Additionally, the effects of miR-187 inhibitor on cell migration and cell apoptosis were reversed by CRMP1 downregulation. In summary, miR-187 promotes tumor progression by regulating CRMP1 expression in GC and may thus be a potential prognostic marker and a therapeutic target in GC. PMID- 27864147 TI - Host factor PRPF31 is involved in cccDNA production in HBV-replicating cells. AB - Hepatitis B virus (HBV) covalently closed circular DNA (cccDNA) plays a central role in chronic HBV infection and replication, and is an important factor for HBV surface antigen loss indicating the endpoint of HBV treatment. However, there is a known problem that current anti-HBV drugs, including interferons and nucleos(t)ide analogues, reduce HBV replication but have a little or no effect on reducing cccDNA. Therefore, the development of new therapeutic agents is necessary to eradicate cccDNA. In this study, we identified pre-mRNA processing factor 31 (PRPF31) by siRNA screening as a factor associated with cccDNA. PRPF31 knockdown by siRNA decreased cccDNA formation without serious cytotoxicity. In rescue experiments, expression of siRNA-resistant PRPF31 recovered cccDNA formation. PRPF31 knockdown did not affect HBV core protein and HBV core DNA levels in HBV-replicating cells. Chromatin immunoprecipitation and immunoprecipitation assays revealed an association between PRPF31 and cccDNA. Furthermore, co-overexpression of PRPF31 and HBx enhanced cccDNA formation in HepAD38 cells. Taken together, the present findings suggest that the interaction between PRPF31 and HBx may be a novel target for anti-HBV treatment. PMID- 27864148 TI - Three pentraxins C-reactive protein, serum amyloid p component and pentraxin 3 mediate complement activation using Collectin CL-P1. AB - BACKGROUND: Pentraxins (PTXs) are a superfamily of multifunctional conserved proteins involved in acute-phase responses. Recently, we have shown that collectin placenta 1 (CL-P1) and C-reactive protein (CRP) mediated complement activation and failed to form terminal complement complex (TCC) in normal serum conditions because of complement factor H inhibition. METHODS: We used CL-P1 expressing CHO/ldlA7 cells to study the interaction with PTXs. Soluble type CL-P1 was used in an ELISA assay for the binding, C3 and TCC deposition experiments. Furthermore, we used our previously established CL-P1 expressing HEK293 cells for the C3 fragment and TCC deposition assay. RESULTS: We demonstrated that CL-P1 also bound serum amyloid p component (SAP) and pentraxin 3 (PTX3) to activate the classical pathway and the alternative pathway using factor B. CRP and PTX3 further amplified complement deposition by properdin. We found that CRP and PTX3 recruit CFH, whereas SAP recruits C4 binding protein on CL-P1 expressing cell surfaces to prevent the formation of TCC in normal serum conditions. In addition, depletion of CFH, C4BP and complement factor I (CFI) failed to prevent TCC formation both in ELISA and cell experiments. Furthermore, soluble complement receptor 1, an inhibitor of all complement pathways prevents PTX induced TCC formation. CONCLUSION: Our current study hypothesizes that the interaction of pentraxins with CL-P1 is involved in complement activation. GENERAL SIGNIFICANCE: CL-P1 might generally inhibit PTX induced complement activation and host damage to protect self-tissues. PMID- 27864149 TI - Mechanistic insight into the procoagulant activity of tumor-derived apoptotic vesicles. AB - BACKGROUND: Chemotherapy induces the release of apoptotic vesicles (ApoV) from the tumor plasma membrane. Tumor ApoV may enhance the risk of thrombotic events in cancer patients undergoing chemotherapy. However, the relative contribution of ApoV to coagulation and the pathways involved remain poorly characterized. In addition, this study sets out to compare the procoagulant activity of chemotherapy-induced ApoV with their cell of origin and to determine the mechanisms of ApoV-induced coagulation. METHODS: We utilized human and murine cancer cell lines and chemotherapeutic agents to determine the requirement for the coagulation factors (tissue factor; TF, FII, FV, FVII, FVIII, FIX and phosphatidylserine) in the procoagulant activity of ApoV. The role of previously identified ApoV-associated FV was determined in a FV functional assay. RESULTS: ApoV were significantly more procoagulant per microgram of protein compared to parental living or dying tumor cells. In the phase to peak fibrin generation, procoagulant activity was dependent on phosphatidylserine, TF expression, FVII and the prothrombinase complex. However, the intrinsic coagulation factors FIX and FVIII were dispensable. ApoV-associated FV could not support coagulation in the absence of supplied, exogenous FV. CONCLUSIONS: ApoV are significantly more procoagulant than their parental tumor cells. ApoV require the extrinsic tenase and prothrombinase complex to activate the early phase of coagulation. Endogenous FV identified on tumor ApoV is serum-derived and functional, but is non-essential for ApoV-mediated fibrin generation. GENERAL SIGNIFICANCE: This study clarifies the mechanisms of procoagulant activity of vesicles released from dying tumor cells. PMID- 27864150 TI - Effect of malondialdehyde on the ovalbumin structure and its interactions with T84 epithelial cells. AB - BACKGROUND: Protein oxidation can occur as a consequence of lipid peroxidation during food processing. The aim of this work was to explore the effect of malondialdehyde (MDA) modification of ovalbumin (OVA) on its interaction with T84 intestinal cells. METHODS: Molecular dynamics simulation was employed for the prediction of MDA modification in the OVA, while introduced structural changes were evaluated by measurement of carbonyl group content, fluorescence spectra, MS/MS analysis, and IgE reactivity. Effects of MDA modified OVA on T84 epithelial cells were analyzed by gene expression for pro-inflammatory cytokines and protein secretion. RESULTS: Out of 9 predicted, five modified Lys residues were confirmed by MS/MS analysis: 51TQINKVVR58, 85DILNQITKPNDVYSFSLASR104, 111YPILPEYLQCVKELYR126, 187AFKDEDTQAMPFR199, 277KIKVYLPR284, and 278IKVYLPR284. The introduced MDA modifications influenced profile of IgE reactivity to OVA. Treatment of T84 epithelial cells with OVA and OVA modified with 1mM MDA, induced up-regulation of pro-inflammatory cytokines (IL-1beta, IL-25, IL-33, TSLP and TNFalpha), while OVA modification with 10mM MDA induced down regulation of the cytokine expression profile, except for IL-1beta. OVA and OVA modified with 1mM MDA induced secretion of epithelial cells specific cytokine IL-33. CONCLUSIONS: This finding indicated that OVA and its MDA modified form have the potential to trigger the innate immunity by inducing up-regulation and secretion of pro allergenic IL-33 in T84 intestinal epithelial cells. GENERAL SIGNIFICANCE: Interactions of ovalbumin and its MDA modified form with intestinal epithelial cells can induce a specific immunological priming necessary for the downstream activation of innate immunity. PMID- 27864151 TI - Gelatin/nanoceria nanocomposite fibers as antioxidant scaffolds for neuronal regeneration. AB - BACKGROUND: The design of efficient nerve conduits able to sustain the axonal outgrowth and its guidance towards appropriate targets is of paramount importance in nerve tissue engineering. METHODS: In this work, we propose the preparation of highly aligned nanocomposite fibers of gelatin/cerium oxide nanoparticles (nanoceria), prepared by electrospinning. Nanoceria are powerful self regenerative antioxidant nanomaterials, that behave as strong reactive oxygen species scavengers, and among various beneficial effects, they have been proven to inhibit the cell senescence and to promote the neurite sprouting. RESULTS: After a detailed characterization of the developed substrates, they have been tested on neuron-like SH-SY5Y cells, demonstrating strong antioxidant properties and beneficial multi-cue effects in terms of neurite development and alignment. CONCLUSIONS: Obtained findings suggest efficiency of the proposed substrates in providing combined topographical stimuli and antioxidant effects to cultured cells. GENERAL SIGNIFICANCE: Proposed nanocomposite scaffolds represent a promising approach for nerve tissue engineering and regenerative medicine. PMID- 27864153 TI - Immunogenicity of murine mPEG-red blood cells and the risk of anti-PEG antibodies in human blood donors. AB - The immunocamouflage of non-ABO blood group antigens by membrane-grafted methoxypoly(ethylene glycol) (mPEG) may attenuate the risk of red blood cell (RBC) alloimmunization. However, concerns have been raised over the immunogenic risk of PEG and PEG-RBCs. To assess this risk, murine and human studies were performed. Mice were exposed to soluble PEG prior to, or between, multiple transfusions (~60-day intervals) of control or mPEG-RBCs, and cell survival was determined by flow cytometry. In some studies, the control and mPEG-RBC groups were reversed after one or more transfusions. Furthermore, human blood donors and commercial intravenous immunoglobulin products were examined to detect anti-PEG antibodies and to assess the risk for false positives. Naive mice receiving chronic mPEG-RBC transfusions had normal RBC survival curves with no evidence of anti-PEG antibodies. Similarly, challenge with soluble PEG did not elicit anti PEG antibodies in mice. Studies in humans revealed no evidence of a high prevalence of anti-PEG antibodies in either blood donors or commercial intravenous immunoglobulin. However, by use of the methods employed by studies identifying high levels of anti-PEG antibodies, a significant level (~15%) of "false positives" were detected in commercial antibodies of known (non-PEG) specificities. These findings suggest that methodologic problems yielded a high rate of false positives in these earlier studies. These data continue to support the clinical utility of cellular PEGylation and the low immunogenic risk of grafted mPEG. PMID- 27864152 TI - The flavinyl transferase ApbE of Pseudomonas stutzeri matures the NosR protein required for nitrous oxide reduction. AB - The copper-containing enzyme nitrous oxide reductase (N2OR) catalyzes the transformation of nitrous oxide (N2O) to dinitrogen (N2) in microbial denitrification. Several accessory factors are essential for assembling the two copper sites CuA and CuZ, and for maintaining the activity. In particular, the deletion of either the transmembrane iron-sulfur flavoprotein NosR or the periplasmic protein NosX, a member of the ApbE family, abolishes N2O respiration. Here we demonstrate through biochemical and structural studies that the ApbE protein from Pseudomonas stutzeri, where the nosX gene is absent, is a monomeric FAD-binding protein that can serve as the flavin donor for NosR maturation via covalent flavinylation of a threonine residue. The flavin transfer reaction proceeds both in vivo and in vitro to generate post-translationally modified NosR with covalently bound FMN. Only FAD can act as substrate and the reaction requires a divalent cation, preferably Mg2+ that was also present in the crystal structure. In addition, the reaction is species-specific to a certain extent. PMID- 27864154 TI - Root cause analysis of limitations of virtual crossmatch for kidney allocation to highly-sensitized patients. AB - Efficient allocation of deceased donor organs depends upon effective prediction of immunologic compatibility based on donor HLA genotype and recipient alloantibody profile, referred to as virtual crossmatching (VCXM). VCXM has demonstrated utility in predicting compatibility, though there is reduced efficacy for patients highly sensitized against allogeneic HLA antigens. The recently revised deceased donor kidney allocation system (KAS) has increased transplantation for this group, but with an increased burden for histocompatibility testing and organ sharing. Given the limitations of VCXM, we hypothesized that increased organ offers for highly-sensitized patients could result in a concomitant increase in offers rejected due to unexpectedly positive crossmatch. Review of 645 crossmatches performed for deceased donor kidney transplantation at our center did not reveal a significant increase in positive crossmatches following KAS implementation. Positive crossmatches not predicted by VCXM were concentrated among highly-sensitized patients. Root cause analysis of VCXM failures identified technical limitations of anti-HLA antibody testing as the most significant contributor to VCXM error. Contributions of technical limitations including additive/synergistic antibody effects, prozone phenomenon, and antigens not represented in standard testing panels, were evaluated by retrospective testing. These data provide insight into the limitations of VCXM, particularly those affecting allocation of kidneys to highly-sensitized patients. PMID- 27864155 TI - Minimally Invasive Whipple's Technique for Laparoscopic-Assisted Pylorus Preserving Pancreaticoduodenectomy. PMID- 27864156 TI - Neurocognitive predictors of treatment response to randomized treatment in adults with tic disorders. AB - Tourette's disorder (TS) and chronic tic disorder (CTD) are neurodevelopmental disorders characterized by involuntary vocal and motor tics. Consequently, TS/CTD have been conceptualized as disorders of cognitive and motor inhibitory control. However, most neurocognitive studies have found comparable or superior inhibitory capacity among individuals with TS/CTD relative to healthy controls. These findings have led to the hypothesis that individuals with TS/CTD develop increased inhibitory control due to the constant need to inhibit tics. However, the role of cognitive control in TS/CTD is not yet understood, particularly in adults. To examine the role of inhibitory control in TS/CTD, the present study investigated this association by assessing the relationship between inhibitory control and treatment response in a large sample of adults with TS/CTD. As part of a large randomized trial comparing behavior therapy versus supportive psychotherapy for TS/CTD, a battery of tests, including tests of inhibitory control was administered to 122 adults with TS/CTD at baseline. We assessed the association between neuropsychological test performance and change in symptom severity, as well as compared the performance of treatment responders and non responders as defined by the Clinical Global Impression Scale. Results indicated that change in symptoms, and treatment response were not associated with neuropsychological performance on tests of inhibitory control, intellectual ability, or motor function, regardless of type of treatment. The finding that significant change in symptom severity of TS/CTD patients is not associated with impairment or change in inhibitory control regardless of treatment type suggests that inhibitory control may not be a clinically relevant facet of these disorders in adults. PMID- 27864157 TI - The effect of feed-based vaccination on tilapia farm endemic for streptococcosis. AB - A tilapia farm experiencing endemic streptococcosis was selected to study the effect of vaccination with a feed-based vaccine on naturally ocurring streptococcosis. A total of 9000 red tilapia, Oreochromis niloticus * Oreochromis mossambicus of 100 +/- 20 g were divided into 9 cages. Fish of Group 1 in cages 1, 2 and 3 were not vaccinated. Group 2 in cages 4, 5 and 6 were vaccinated on days 0 and 14 (single booster) while Group 3 in cages 7, 8 and 9 were vaccinated on days 0, 14 and 42 (double booster). Vaccination was done by oral administration of the feed-based bacterin vaccine at 4% bodyweight. Samples of serum for antibody study and the brain, eyes and kidney for bacterial isolation were collected at 14-day intervals. The study was carried out during the critical months between April and June. Following vaccination and booster, there was significant (p < 0.05) increase in the antibody levels in all vaccinated groups from week 1 that reached the peak at week 3 before declining gradually until week 6. However, second booster on week 6 significantly (p < 0.05) increased the antibody level that remained high until the end of the 16-week study period (double booster). Streptococcus agalactiae was isolated at the start of the experiment (day 0) at an average of 10 +/- 5.0% of the sampled fish. In week 4, the isolation rate was 13 +/- 5.7% but increased to 18 +/- 7.6% in week 8, to 25 +/- 10.0% in week 10, to 28 +/- 5.8% in week 12 and 25 +/- 7.3% in week 14. The average isolation rate was 28 +/- 7.2%, 18 +/- 7.1% and 13 +/- 8.2% of the fish sampled from unvaccinated, single booster and double booster groups, respectively. At the end of the study period, the survival rate was 45.2 +/- 2.45% for unvaccinated, 65.3 +/- 4.8% for single booster and 75.1 +/- 2.1% for double booster groups. Vaccinating fish in endemic farm might not eliminate the disease but was able to significantly improve the survival rate. PMID- 27864158 TI - Feeding of nano scale oats beta-glucan enhances the host resistance against Edwardsiella tarda and protective immune modulation in zebrafish larvae. AB - In this study, we prepared and characterized the oats origin of nano scale beta glucan (NBG) and investigated the immunomodulatory properties in zebrafish larvae. Newly prepared NBG (average particle size of 465 nm) was fully soluble in water. Zebrafish larvae survival rate was increased against pathogenic bacteria Edwardsiella tarda, when NBG was added to the water (500 MUg/mL) compared to NBG non-exposed controls. Moreover, quantitative real time PCR (qRT-PCR) results showed up-regulation of immune functional genes including TNF-alpha, IL-1beta, beta-defensin, lysozyme, IL 10, IL 12 and C-Rel indicating higher survival rate could be due to stronger immunomodulatory function of NBG (500 MUg/mL). Thus, non toxic, water soluble and biodegradable NBG from oats could be considered as the potential immunostimulant for larval aquaculture. PMID- 27864159 TI - High-level expression and efficient refolding of therapeutically important recombinant human Interleukin-3 (hIL-3) in E. coli. AB - Human interleukin-3 (hIL-3) is a pleiotropic cytokine that stimulates the differentiation and proliferation of multipotent hematopoietic cells thus making it a therapeutically important molecule. In this study, its poor expression yield was improved by addressing various upstream bottlenecks in E. coli heterologous system. The codon-optimized hIL-3 gene was cloned under various signal sequences and solubility enhancer fusion tags for its hyper-expression under a strong T7 promoter. The optimization of shake flask expression studies resulted in a hIL-3 protein concentration of 225 mg/L in the form of inclusion bodies (IBs). Lowering of inducer concentration and cultivation temperature did not improve its solubility. The hIL-3 protein was refolded from IBs and resulted a protein recovery yield of 53% after optimization of refolding conditions. The refolded protein was subsequently purified using Ni-NTA affinity chromatography and gave ~95% pure protein. The conformational properties of the refolded hIL-3 protein were studied by CD and fluorescence spectrometry where protein showed 40% alpha helix and 12% beta-sheets with a fluorescence emission maxima at 344 nm. The molecular identity was further confirmed by MALDI-TOF/TOF and western blot analysis. The biological activity of refolded protein was confirmed via cell proliferation assay on human erythroleukemia TF-1 cells where commercial hIL-3 was taken as a standard control. PMID- 27864160 TI - Blotting-free and lossless cryo-electron microscopy grid preparation from nanoliter-sized protein samples and single-cell extracts. AB - We present a sample preparation method for cryo-electron microscopy (cryo-EM) that requires only 3-20nL of sample to prepare a cryo-EM grid, depending on the protocol used. The sample is applied and spread on the grid by a microcapillary. The procedure does not involve any blotting steps, and real-time monitoring allows the water film thickness to be assessed and decreased to an optimum value prior to vitrification. We demonstrate that the method is suitable for high resolution cryo-EM and will enable alternative electron microscopy approaches, such as single-cell visual proteomics. PMID- 27864162 TI - Aging: Treating the Older Patient. PMID- 27864161 TI - Maintenance versus Induction Therapy Choice on Outcomes after Autologous Transplantation for Multiple Myeloma. AB - Bortezomib (V), lenalidomide (R), cyclophosphamide (C), and dexamethasone (D) are components of the most commonly used modern doublet (RD, VD) or triplet (VRD, CVD) initial induction regimens before autologous hematopoietic cell transplantation (AHCT) for multiple myeloma (MM) in the United States. In this study we evaluated 693 patients receiving "upfront" AHCT after initial induction therapy with modern doublet or triplet regimens using data reported to the Center for International Blood and Marrow Transplant Research from 2008 to 2013. Analysis was limited to those receiving a single AHCT after 1 line of induction therapy within 12 months from treatment initiation for MM. In multivariate analysis, progression-free survival (PFS) and overall survival were similar irrespective of induction regimen. However, high-risk cytogenetics and nonreceipt of post-transplant maintenance/consolidation therapy were associated with higher risk of relapse. Patients receiving post-transplant therapy had significantly improved 3-year PFS versus no post-transplant therapy (55% versus 39%, P = .0001). This benefit was most evident in patients not achieving at least a complete response post-AHCT (P = .005). In patients receiving upfront AHCT, the choice of induction regimen (doublet or triplet therapies) appears to be of lower impact than use of post-transplant therapy. PMID- 27864163 TI - Developing a Web-Based Weight Management Program for Childhood Cancer Survivors: Rationale and Methods. AB - BACKGROUND: Due to advances in the field of oncology, survival rates for children with cancer have improved significantly. However, these childhood cancer survivors are at a higher risk for obesity and cardiovascular diseases and for developing these conditions at an earlier age. OBJECTIVE: In this paper, we describe the rationale, conceptual framework, development process, novel components, and delivery plan of a behavioral intervention program for preventing unhealthy weight gain in survivors of childhood acute lymphoblastic leukemia (ALL). METHODS: A Web-based program, the Healthy Eating and Active Living (HEAL) program, was designed by a multidisciplinary team of researchers who first identified behaviors that are appropriate targets for weight management in childhood ALL survivors and subsequently developed the intervention components, following core behavioral change strategies grounded in social cognitive and self determination theories. RESULTS: The Web-based HEAL curriculum has 12 weekly self guided sessions to increase parents' awareness of the potential impact of cancer treatment on weight and lifestyle habits and the importance of weight management in survivors' long-term health. It empowers parents with knowledge and skills on parenting, nutrition, and physical activity to help them facilitate healthy eating and active living soon after the child completes intensive cancer treatment. Based on social cognitive theory, the program is designed to increase behavioral skills (goal-setting, self-monitoring, and problem-solving) and self efficacy and to provide positive reinforcement to sustain behavioral change. CONCLUSIONS: Lifestyle interventions are a priority for preventing the early onset of obesity and cardiovascular risk factors in childhood cancer survivors. Intervention programs need to meet survivors' targeted behavioral needs, address specific barriers, and capture a sensitive window for behavioral change. In addition, they should be convenient, cost-effective and scalable. Future studies are needed to evaluate the feasibility of introducing weight management early in cancer care and the efficacy of early weight management on survivors' health outcomes. PMID- 27864164 TI - Perceptions Toward a Smoking Cessation App Targeting LGBTQ+ Youth and Young Adults: A Qualitative Framework Analysis of Focus Groups. AB - BACKGROUND: The prevalence of smoking among lesbian, gay, bisexual, trans, queer, and other sexual minority (LGBTQ+) youth and young adults (YYA) is significantly higher compared with that among non-LGBTQ+ persons. However, in the past, interventions were primarily group cessation classes that targeted LGBTQ+ persons of all ages. mHealth interventions offer an alternate and modern intervention platform for this subpopulation and may be of particular interest for young LGBTQ+ persons. OBJECTIVE: This study explored LGBTQ+ YYA (the potential users') perceptions of a culturally tailored mobile app for smoking cessation. Specifically, we sought to understand what LGBTQ+ YYA like and dislike about this potential cessation tool, along with how such interventions could be improved. METHODS: We conducted 24 focus groups with 204 LGBTQ+ YYA (aged 16-29 years) in Toronto and Ottawa, Canada. Participants reflected on how an app might support LGBTQ+ persons with smoking cessation. Participants indicated their feelings, likes and dislikes, concerns, and additional ideas for culturally tailored smoking cessation apps. Framework analysis was used to code transcripts and identify the overarching themes. RESULTS: Study findings suggested that LGBTQ+ YYA were eager about using culturally tailored mobile apps for smoking cessation. Accessibility, monitoring and tracking, connecting with community members, tailoring, connecting with social networks, and personalization were key reasons that were valued for a mobile app cessation program. However, concerns were raised about individual privacy and that not all individuals had access to a mobile phone, users might lose interest quickly, an app would need to be marketed effectively, and app users might cheat and lie about progress to themselves. Participants highlighted that the addition of distractions, rewards, notifications, and Web-based and print versions of the app would be extremely useful to mitigate some of their concerns. CONCLUSIONS: This study provided insight into the perspectives of LGBTQ+ YYA on a smoking cessation intervention delivered through a mobile app. The findings suggested a number of components of a mobile app that were valued and those that were concerning, as well as suggestions on how to make a mobile app cessation program successful. App development for this subpopulation should take into consideration the opinions of the intended users and involve them in the development and evaluation of mobile based smoking cessation programs. PMID- 27864166 TI - Perivascular Adipose Tissue Inflammation and Coronary Artery Disease: An Autopsy Study Protocol. AB - BACKGROUND: Perivascular adipose tissue (PAT) inflammation may have a role in coronary artery disease (CAD) pathophysiology. However, most evidence has come from samples obtained during surgical procedures that may imply in some limitations. Moreover, the role of B lymphocytes and inflammation in PAT that is adjacent to unstable atheroma plaques has not been investigated in humans using morphometric measurements. OBJECTIVE: The objective of this study is to investigate the inflammation in PAT, subcutaneous, and perirenal adipose tissues (SAT and PrAT) among chronic CAD, acute CAD, and control groups in an autopsy study. METHODS: Heart, SAT, and PrAT samples are collected from autopsied subjects in a general autopsy service, with the written informed consent of the next-of-kin (NOK). Sociodemographic and clinical data are obtained from a semistructure interview with the NOK. Coronary arteries are dissected and PAT are removed. Sections with the greatest arterial obstruction or unstable plaques, and the local with absence of atherosclerosis in all coronary arteries are sampled. PAT are represented adjacent to these fragments. Adipose tissues are fixed in 4% buffered paraformaldehyde solution and analyzed immunohistochemically for macrophages (CD68), macrophage polarization (CD11c for proinflammatory and CD206 for anti-inflammatory), B lymphocytes (CD20), and T lymphocytes (CD3). Slides will be scanned, and inflammatory cells will be quantified in 20 random fields. Participants will be categorized in CAD groups, after morphometric measurement of arterial obstruction and plaque composition analysis in accordance with American Heart Association classification. Three study groups will be investigated: acute CAD (at least one unstable plaque); chronic CAD (>=50% arterial obstruction); and controls (<50% arterial obstruction). Inflammatory cells in PAT, SAT, and PrAT will be counted and compared between groups using multivariate linear regression, adjusted for age, body mass index, hypertension, diabetes, alcohol use, and smoking. RESULTS: We present the methods of our study that was developed from 2 pilots. Currently, data collection and tissue processing are ongoing. Data collection, histology and immunochemistry procedures, and quantification of all inflammatory cells are expected to be concluded within 1 year. CONCLUSIONS: This study will contribute for the understanding of the mechanisms of CAD pathophysiology because it will help to clarify the role of inflammation both in chronic and acute CAD. PMID- 27864167 TI - Testing the Feasibility of Remote Patient Monitoring in Prenatal Care Using a Mobile App and Connected Devices: A Prospective Observational Trial. AB - BACKGROUND: Excessive weight gain and elevated blood pressure are significant risk factors for adverse pregnancy outcomes such as gestational diabetes, premature birth, and preeclampsia. More effective strategies to facilitate adherence to gestational weight gain goals and monitor blood pressure may have a positive health benefit for pregnant women and their babies. The impact of utilizing a remote patient monitoring system to monitor blood pressure and weight gain as a component of prenatal care has not been previously assessed. OBJECTIVE: The objective of this study is to determine the feasibility of monitoring patients remotely in prenatal care using a mobile phone app and connected digital devices. METHODS: In this prospective observational study, 8 women with low risk pregnancy in the first trimester were recruited at an urban academic medical center. Participants received a mobile phone app with a connected digital weight scale and blood pressure cuff for at-home data collection for the duration of pregnancy. At-home data was assessed for abnormal values of blood pressure or weight to generate clinical alerts to the patient and provider. As measures of the feasibility of the system, participants were studied for engagement with the app, accuracy of remote data, efficacy of alert system, and patient satisfaction. RESULTS: Patient engagement with the mobile app averaged 5.5 times per week over the 6-month study period. Weight data collection and blood pressure data collection averaged 1.5 times and 1.1 times per week, respectively. At-home measurements of weight and blood pressure were highly accurate compared to in office measurements. Automatic clinical alerts identified two episodes of abnormal weight gain with no false triggers. Patients demonstrated high satisfaction with the system. CONCLUSIONS: In this pilot study, we demonstrated that a system using a mobile phone app coupled to remote monitoring devices is feasible for prenatal care. PMID- 27864165 TI - Text to Move: A Randomized Controlled Trial of a Text-Messaging Program to Improve Physical Activity Behaviors in Patients With Type 2 Diabetes Mellitus. AB - BACKGROUND: Text messages are increasingly being used because of the low cost and the ubiquitous nature of mobile phones to engage patients in self-care behaviors. Self-care is particularly important in achieving treatment outcomes in type 2 diabetes mellitus (T2DM). OBJECTIVE: This study examined the effect of personalized text messages on physical activity, as measured by a pedometer, and clinical outcomes in a diverse population of patients with T2DM. METHODS: Text to Move (TTM) incorporates physical activity monitoring and coaching to provide automated and personalized text messages to help patients with T2DM achieve their physical activity goals. A total of 126 English- or Spanish-speaking patients with glycated hemoglobin A1c (HbA1c) >7 were enrolled in-person to participate in the study for 6 months and were randomized into either the intervention arm that received the full complement of the intervention or a control arm that received only pedometers. The primary outcome was change in physical activity. We also assessed the effect of the intervention on HbA1c, weight, and participant engagement. RESULTS: All participants (intervention: n=64; control: n=62) were included in the analyses. The intervention group had significantly higher monthly step counts in the third (risk ratio [RR] 4.89, 95% CI 1.20 to 19.92, P=.03) and fourth (RR 6.88, 95% CI 1.21 to 39.00, P=.03) months of the study compared to the control group. However, over the 6-month follow-up period, monthly step counts did not differ statistically by group (intervention group: 9092 steps; control group: 3722 steps; RR 2.44, 95% CI 0.68 to 8.74, P=.17). HbA1c decreased by 0.07% (95% CI -0.47 to 0.34, P=.75) in the TTM group compared to the control group. Within groups, HbA1c decreased significantly from baseline in the TTM group by 0.43% (95% CI -0.75 to -0.12, P=.01), but nonsignificantly in the control group by -0.21% (95% CI -0.49 to 0.06, P=.13). Similar changes were observed for other secondary outcomes. CONCLUSION: Personalized text messaging can be used to improve outcomes in patients with T2DM by employing optimal patient engagement measures. PMID- 27864168 TI - Biogeography of Oenococcus oeni Reveals Distinctive but Nonspecific Populations in Wine-Producing Regions. AB - : Understanding the mechanisms behind the typicity of regional wines inevitably brings attention to microorganisms associated with their production. Oenococcus oeni is the main bacterial species involved in wine and cider making. It develops after the yeast-driven alcoholic fermentation and performs the malolactic fermentation, which improves the taste and aromatic complexity of most wines. Here, we have evaluated the diversity and specificity of O. oeni strains in six regions. A total of 235 wines and ciders were collected during spontaneous malolactic fermentations and used to isolate 3,212 bacterial colonies. They were typed by multilocus variable analysis, which disclosed a total of 514 O. oeni strains. Their phylogenetic relationships were evaluated by a second typing method based on single nucleotide polymorphism (SNP) analysis. Taken together, the results indicate that each region holds a high diversity of strains that constitute a unique population. However, strains present in each region belong to diverse phylogenetic groups, and the same groups can be detected in different regions, indicating that strains are not genetically adapted to regions. In contrast, greater strain identity was seen for cider, white wine, or red wine of Burgundy, suggesting that genetic adaptation to these products occurred. IMPORTANCE: This study reports the isolation, genotyping, and geographic distribution analysis of the largest collection of O. oeni strains performed to date. It reveals that there is very high diversity of strains in each region, the majority of them being detected in a single region. The study also reports the development of an SNP genotyping method that is useful for analyzing the distribution of O. oeni phylogroups. The results show that strains are not genetically adapted to regions but to specific types of wines. They reveal new phylogroups of strains, particularly two phylogroups associated with white wines and red wines of Burgundy. Taken together, the results shed light on the diversity and specificity of wild strains of O. oeni, which is crucial for understanding their real contribution to the unique properties of wines. PMID- 27864169 TI - Increasing the Thermostable Sugar-1-Phosphate Nucleotidylyltransferase Activities of the Archaeal ST0452 Protein through Site Saturation Mutagenesis of the 97th Amino Acid Position. AB - : The ST0452 protein is a bifunctional protein exhibiting sugar-1-phosphate nucleotidylyltransferase (sugar-1-P NTase) and amino-sugar-1-phosphate acetyltransferase activities and was isolated from the thermophilic archaeon Sulfolobus tokodaii Based on the previous observation that five single mutations increased ST0452 sugar-1-P NTase activity, nine double-mutant ST0452 proteins were generated with the intent of obtaining enzymes exhibiting a further increase in catalysis, but all showed less than 15% of the wild-type N-acetyl-d glucosamine-1-phosphate uridyltransferase (GlcNAc-1-P UTase) activity. The Y97A mutant exhibited the highest activity of the single-mutant proteins, and thus site saturation mutagenesis of the 97th position (Tyr) was conducted. Six mutants showed both increased GlcNAc-1-P UTase and glucose-1-phosphate uridyltransferase activities, eight mutants showed only enhanced GlcNAc-1-P UTase activity, and six exhibited higher GlcNAc-1-P UTase activity than that of the Y97A mutant. Kinetic analyses of three typical mutants indicated that the increase in sugar-1-P NTase activity was mainly due to an increase in the apparent kcat value. We hypothesized that changing the 97th position (Tyr) to a smaller amino acid with similar electronic properties would increase activity, and thus the Tyr at the corresponding 103rd position of the Escherichia coli GlmU (EcGlmU) enzyme was replaced with the same residues. The Y103N mutant EcGlmU showed increased GlcNAc 1-P UTase activity, revealing that the Tyr at the 97th position of the ST0452 protein (103rd position in EcGlmU) plays an important role in catalysis. The present results provide useful information regarding how to improve the activity of natural enzymes and how to generate powerful enzymes for the industrial production of sugar nucleotides. IMPORTANCE: It is typically difficult to increase enzymatic activity by introducing substitutions into a natural enzyme. However, it was previously found that the ST0452 protein, a thermostable enzyme from the thermophilic archaeon Sulfolobus tokodaii, exhibited increased activity following single amino acid substitutions of Ala. In this study, ST0452 proteins exhibiting a further increase in activity were created using a site saturation mutagenesis strategy at the 97th position. Kinetic analyses showed that the increased activities of the mutant proteins were principally due to increased apparent kcat values. These mutant proteins might suggest clues regarding the mechanism underlying the reaction process and provide very important information for the design of synthetic improved enzymes, and they can be used as powerful biocatalysts for the production of sugar nucleotide molecules. Moreover, this work generated useful proteins for three-dimensional structural analysis clarifying the processes underlying the regulation and mechanism of enzymatic activity. PMID- 27864170 TI - Control of Biofilm Formation: Antibiotics and Beyond. AB - Biofilm-associated bacteria are less sensitive to antibiotics than free-living (planktonic) cells. Furthermore, with variations in the concentration of antibiotics throughout a biofilm, microbial cells are often exposed to levels below inhibitory concentrations and may develop resistance. This, as well as the irresponsible use of antibiotics, leads to the selection of pathogens that are difficult to eradicate. The Centers for Disease Control and Prevention use the terms "antibiotic" and "antimicrobial agent" interchangeably. However, a clear distinction between these two terms is required for the purpose of this assessment. Therefore, we define "antibiotics" as pharmaceutically formulated and medically administered substances and "antimicrobials" as a broad category of substances which are not regulated as drugs. This comprehensive minireview evaluates the effect of natural antimicrobials on pathogens in biofilms when used instead of, or in combination with, commonly prescribed antibiotics. PMID- 27864171 TI - Mitochondrial Superoxide Dismutase and Yap1p Act as a Signaling Module Contributing to Ethanol Tolerance of the Yeast Saccharomyces cerevisiae. AB - : There are two superoxide dismutases in the yeast Saccharomyces cerevisiae cytoplasmic and mitochondrial enzymes. Inactivation of the cytoplasmic enzyme, Sod1p, renders the cells sensitive to a variety of stresses, while inactivation of the mitochondrial isoform, Sod2p, typically has a weaker effect. One exception is ethanol-induced stress. Here we studied the role of Sod2p in ethanol tolerance of yeast. First, we found that repression of SOD2 prevents ethanol-induced relocalization of yeast hydrogen peroxide-sensing transcription factor Yap1p, one of the key stress resistance proteins. In agreement with this, the levels of Trx2p and Gsh1p, proteins encoded by Yap1 target genes, were decreased in the absence of Sod2p. Analysis of the ethanol sensitivities of the cells lacking Sod2p, Yap1p, or both indicated that the two proteins act in the same pathway. Moreover, preconditioning with hydrogen peroxide restored the ethanol resistance of yeast cells with repressed SOD2 Interestingly, we found that mitochondrion-to nucleus signaling by Rtg proteins antagonizes Yap1p activation. Together, our data suggest that hydrogen peroxide produced by Sod2p activates Yap1p and thus plays a signaling role in ethanol tolerance. IMPORTANCE: Baker's yeast harbors multiple systems that ensure tolerance to high concentrations of ethanol. Still, the role of mitochondria under severe ethanol stress in yeast is not completely clear. Our study revealed a signaling function of mitochondria which contributes significantly to the ethanol tolerance of yeast cells. We found that mitochondrial superoxide dismutase Sod2p and cytoplasmic hydrogen peroxide sensor Yap1p act together as a module of the mitochondrion-to-nucleus signaling pathway. We also report cross talk between this pathway and the conventional retrograde signaling cascade activated by dysfunctional mitochondria. PMID- 27864172 TI - The EbpA-RpoN Regulatory Pathway of the Pathogen Leptospira interrogans Is Essential for Survival in the Environment. AB - Leptospira interrogans is the agent of leptospirosis, a reemerging zoonotic disease. It is transmitted to humans through environmental surface waters contaminated by the urine of mammals chronically infected by pathogenic strains able to survive in water for long periods. Little is known about the regulatory pathways underlying environmental sensing and host adaptation of L. interrogans during its enzootic cycle. This study identifies the EbpA-RpoN regulatory pathway in L. interrogans In this pathway, EbpA, a sigma54 activator and putative prokaryotic enhancer-binding protein (EBP), and the alternative sigma factor RpoN (sigma54) control expression of at least three genes, encoding AmtB (an ammonium transport protein) and two proteins of unknown function. Electrophoresis mobility shift assay demonstrated that recombinant RpoN and EbpA bind to the promoter region and upstream of these three identified genes, respectively. Genetic disruption of ebpA in L. interrogans serovar Manilae virtually abolished expression of the three genes, including amtB in two independent ebpA mutants. Complementation of the ebpA mutant restored expression of these genes. Intraperitoneal inoculation of gerbils with the ebpA mutant did not affect mortality. However, the ebpA mutant had decreased cell length in vitro and had a significantly lowered cell density at stationary phase when grown with l-alanine as the sole nitrogen source. Furthermore, the ebpA mutant has dramatically reduced long-term survival ability in water. Together, these studies identify a regulatory pathway, the EbpA-RpoN pathway, that plays an important role in the zoonotic cycle of L. interrogans IMPORTANCE: Leptospirosis is a reemerging disease with global importance. However, our understanding of gene regulation of the spirochetal pathogen Leptospira interrogans is still in its infancy, largely due to the lack of robust tools for genetic manipulation of this spirochete. Little is known about how the pathogen achieves its long-term survival in the aquatic environment. By utilizing bioinformatic, genetic, and biochemical methods, we discovered a regulatory pathway in L. interrogans, the EbpA-RpoN pathway, and demonstrated that this pathway plays an important role in environmental survival of this pathogen. PMID- 27864173 TI - Salad Leaf Juices Enhance Salmonella Growth, Colonization of Fresh Produce, and Virulence. AB - : We show in this report that traces of juices released from salad leaves as they become damaged can significantly enhance colonization of salad leaves by Salmonella enterica Salad juices in water increased Salmonella growth by 110% over the level seen with the unsupplemented control and in host-like serum-based media by more than 2,400-fold over control levels. In serum-based media, salad juices induced growth of Salmonella via provision of Fe from transferrin, and siderophore production was found to be integral to the growth induction process. Other aspects relevant to salad leaf colonization and retention were enhanced, such as motility and biofilm formation, which were increased over control levels by >220% and 250%, respectively; direct attachment to salad leaves increased by >350% when a salad leaf juice was present. In terms of growth and biofilm formation, the endogenous salad leaf microbiota was largely unresponsive to leaf juice, suggesting that Salmonella gains a marked growth advantage from fluids released by salad leaf damage. Salad leaf juices also enhanced pathogen attachment to the salad bag plastic. Over 5 days of refrigeration (a typical storage time for bagged salad leaves), even traces of juice within the salad bag fluids increased Salmonella growth in water by up to 280-fold over control cultures, as well as enhancing salad bag colonization, which could be an unappreciated factor in retention of pathogens in fresh produce. Collectively, the study data show that exposure to salad leaf juice may contribute to the persistence of Salmonella on salad leaves and strongly emphasize the importance of ensuring the microbiological safety of fresh produce. IMPORTANCE: Salad leaves are an important part of a healthy diet but have been associated in recent years with a growing risk of food poisoning from bacterial pathogens such as Salmonella enterica Although this is considered a significant public health problem, very little is known about the behavior of Salmonella in the actual salad bag. We show that juices released from the cut ends of the salad leaves enabled the Salmonella cells to grow in water, even when it was refrigerated. Salad juice exposure also helped the Salmonella cells to attach to the salad leaves so strongly that washing could not remove them. Collectively, the results presented in this report show that exposure to even traces of salad leaf juice may contribute to the persistence of Salmonella on salad leaves as well as priming it for establishing an infection in the consumer. PMID- 27864175 TI - The Acceptor Side of Photosystem II Is the Initial Target of Nitrite Stress in Synechocystis sp. Strain PCC 6803. AB - Nitrite, a common form of inorganic nitrogen (N), can be used as a nitrogen source through N assimilation. However, high levels of nitrite depress photosynthesis in various organisms. In this study, we investigated which components of the photosynthetic electron transfer chain are targeted by nitrite stress in Synechocystis sp. strain PCC 6803 cells. Measurements of whole-chain and photosystem II (PSII)-mediated electron transport activities revealed that high levels of nitrite primarily impair electron flow in PSII. Changes in PSII activity in response to nitrite stress occurred in two distinct phases. During the first phase, which occurred in the first 3 h of nitrite treatment, electron transfer from the primary quinone acceptor (QA) to the secondary quinone acceptor (QB) was retarded, as indicated by chlorophyll (Chl) a fluorescence induction, S state distribution, and QA- reoxidation tests. In the second phase, which occurred after 6 h of nitrite exposure, the reaction center was inactivated and the donor side of photosystem II was inhibited, as revealed by changes in Chl fluorescence parameters and thermoluminescence and by immunoblot analysis. Our data suggest that nitrite stress is highly damaging to PSII and disrupts PSII activity by a stepwise mechanism in which the acceptor side is the initial target. IMPORTANCE In our previous studies, an alga-based technology was proposed to fix the large amounts of nitrite that are released from NOX-rich flue gases and proved to be a promising industrial strategy for flue gas NOX bioremediation (W. Chen et al., Environ Sci Technol 50:1620-1627, 2016, https://doi.org/10.1021/acs.est.5b04696; X. Zhang et al., Environ Sci Technol 48:10497-10504, 2014, https://doi.org/10.1021/es5013824). However, the toxic effects of high concentrations of nitrite on algal cells remain obscure. The analysis of growth rates, photochemistry, and protein profiles in our study provides important evidence that the inhibition by nitrite occurs in two phases: in the first phase, electron transfer between QA- and QB is retarded, whereas in the second, the donor side of PSII is affected. This is an excellent example of investigating the "early" inhibitory effects (i.e., within the first 6 h) on the PSII electron transfer chain in vivo This paper provides novel insights into the mechanisms of nitrite inhibition of photosynthesis in an oxygenic phototrophic cyanobacterium. PMID- 27864174 TI - Multilocus Sequence Analysis of Phylogroup 1 and 2 Oral Treponeme Strains. AB - : More than 75 "species-level" phylotypes of spirochete bacteria belonging to the genus Treponema reside within the human oral cavity. The majority of these oral treponeme phylotypes correspond to as-yet-uncultivated taxa or strains of uncertain standing in taxonomy. Here, we analyze phylogenetic and taxonomic relationships between oral treponeme strains using a multilocus sequence analysis (MLSA) scheme based on the highly conserved 16S rRNA, pyrH, recA, and flaA genes. We utilized this MLSA scheme to analyze genetic data from a curated collection of oral treponeme strains (n = 71) of diverse geographical origins. This comprises phylogroup 1 (n = 23) and phylogroup 2 (n = 48) treponeme strains, including all relevant American Type Culture Collection reference strains. The taxonomy of all strains was confirmed or inferred via the analysis of ca. 1,450-bp 16S rRNA gene sequences using a combination of bioinformatic and phylogenetic approaches. Taxonomic and phylogenetic relationships between the respective treponeme strains were further investigated by analyzing individual and concatenated flaA (1,074 nucleotide [nt]), recA (1,377-nt), and pyrH (696-nt) gene sequence data sets. Our data confirmed the species differentiation between Treponema denticola (n = 41) and Treponema putidum (n = 7) strains. Notably, our results clearly supported the differentiation of the 23 phylogroup 1 treponeme strains into five distinct "species-level" phylotypes. These respectively corresponded to "Treponema vincentii" (n = 11), Treponema medium (n = 1), "Treponema sinensis" (Treponema sp. IA; n = 4), Treponema sp. IB (n = 3), and Treponema sp. IC (n = 4). In conclusion, our MLSA-based approach can be used to effectively discriminate oral treponeme taxa, confirm taxonomic assignment, and enable the delineation of species boundaries with high confidence. IMPORTANCE: Periodontal diseases are caused by persistent polymicrobial biofilm infections of the gums and underlying tooth-supporting structures and have a complex and variable etiology. Although Treponema denticola is strongly associated with periodontal diseases, the etiological roles of other treponeme species/phylotypes are less well defined. This is due to a paucity of formal species descriptions and a poor understanding of genetic relationships between oral treponeme taxa. Our study directly addresses these issues. It represents one of the most comprehensive analyses of oral treponeme strains performed to date, including isolates from North America, Europe, and Asia. We envisage that our results will greatly facilitate future metagenomic efforts aimed at characterizing the clinical distributions of oral treponeme species/phylotypes, helping investigators to establish a more detailed understanding of their etiological roles in periodontal diseases and other infectious diseases. Our results are also directly relevant to various polymicrobial tissue infections in animals, which also involve treponeme populations. PMID- 27864176 TI - Insights into the Biosynthesis of Duramycin. AB - : Lantibiotics are ribosomally synthesized and posttranslationally modified antimicrobial peptides that are characterized by the thioether cross-linked bisamino acids lanthionine (Lan) and methyllanthionine (MeLan). Duramycin contains 19 amino acids, including one Lan and two MeLans, an unusual lysinoalanine (Lal) bridge formed from the epsilon-amino group of lysine 19 and a serine residue at position 6, and an erythro-3-hydroxy-l-aspartic acid at position 15. These modifications are important for the interactions of duramycin with its biological target, phosphatidylethanolamine (PE). Based on the binding affinity and specificity for PE, duramycin has been investigated as a potential therapeutic, as a molecular probe to investigate the role and localization of PE in biological systems, and to block viral entry into mammalian cells. In this study, we identified the duramycin biosynthetic gene cluster by genome sequencing of Streptomyces cinnamoneus ATCC 12686 and investigated the dur biosynthetic machinery by heterologous expression in Escherichia coli In addition, the analog duramycin C, containing six amino acid changes compared to duramycin, was successfully generated in E. coli The substrate recognition motif of DurX, an alpha-ketoglutarate/iron(II)-dependent hydroxylase that carries out the hydroxylation of aspartate 15 of the precursor peptide DurA, was also investigated using mutagenesis of the DurA peptide. Both in vivo and in vitro results demonstrated that Gly16 is important for DurX activity. IMPORTANCE: Duramycin is a natural product produced by certain bacteria that binds to phosphatidylethanolamine (PE). Because PE is involved in many cellular processes, duramycin is an antibiotic that kills bacteria, but it has also been used as a molecular probe to detect PE and monitor its localization in mammalian cells and even whole organisms, and it was recently shown to display broad-spectrum inhibition of viral entry into host cells. In addition, the molecule has been evaluated as treatment for cystic fibrosis. We report here the genes that are involved in duramycin biosynthesis, and we produced duramycin by expressing those genes in Escherichia coli We show that duramycin analogs can also be produced. The ability to access duramycin and analogs by production in E. coli opens opportunities to improve duramycin as an antibiotic, PE probe, antiviral, or cystic fibrosis therapeutic. PMID- 27864177 TI - Histone Deacetylase HDA-2 Regulates Trichoderma atroviride Growth, Conidiation, Blue Light Perception, and Oxidative Stress Responses. AB - : Fungal blue-light photoreceptors have been proposed as integrators of light and oxidative stress. However, additional elements participating in the integrative pathway remain to be identified. In Trichoderma atroviride, the blue-light regulator (BLR) proteins BLR-1 and -2 are known to regulate gene transcription, mycelial growth, and asexual development upon illumination, and recent global transcriptional analysis revealed that the histone deacetylase-encoding gene hda 2 is induced by light. Here, by assessing responses to stimuli in wild-type and Deltahda-2 backgrounds, we evaluate the role of HDA-2 in the regulation of genes responsive to light and oxidative stress. Deltahda-2 strains present reduced growth, misregulation of the con-1 gene, and absence of conidia in response to light and mechanical injury. We found that the expression of hda-2 is BLR-1 dependent and HDA-2 in turn is essential for the transcription of early and late light-responsive genes that include blr-1, indicating a regulatory feedback loop. When subjected to reactive oxygen species (ROS), Deltahda-2 mutants display high sensitivity whereas Deltablr strains exhibit the opposite phenotype. Consistently, in the presence of ROS, ROS-related genes show high transcription levels in wild-type and Deltablr strains but misregulation in Deltahda-2 mutants. Finally, chromatin immunoprecipitations of histone H3 acetylated at Lys9/Lys14 on cat-3 and gst-1 promoters display low accumulation of H3K9K14ac in Deltablr and Deltahda-2 strains, suggesting indirect regulation of ROS-related genes by HDA-2. Our results point to a mutual dependence between HDA-2 and BLR proteins and reveal the role of these proteins in an intricate gene regulation landscape in response to blue light and ROS. IMPORTANCE: Trichoderma atroviride is a free living fungus commonly found in soil or colonizing plant roots and is widely used as an agent in biocontrol as it parasitizes other fungi, stimulates plant growth, and induces the plant defense system. To survive in various environments, fungi constantly sense and respond to potentially threatening external factors, such as light. In particular, UV light can damage biomolecules by producing free-radical reactions, in most cases involving reactive oxygen species (ROS). In T. atroviride, conidiation is essential for its survival, which is induced by light and mechanical injury. Notably, conidia are typically used as the inoculum in the field during biocontrol. Therefore, understanding the linkages between responses to light and exposure to ROS in T. atroviride is of major basic and practical relevance. Here, the histone deacetylase-encoding gene hda-2 is induced by light and ROS, and its product regulates growth, conidiation, blue light perception, and oxidative stress responses. PMID- 27864180 TI - Alison Mary Bangham. PMID- 27864179 TI - Prevalence of Antibiotic Resistance Genes among Human Gut-Derived Bifidobacteria. AB - : The microbiota of the human gastrointestinal tract (GIT) may regularly be exposed to antibiotics, which are used to prevent and treat infectious diseases caused by bacteria and fungi. Bacterial communities of the gut retain a reservoir of antibiotic resistance (AR) genes, and antibiotic therapy thus positively selects for those microorganisms that harbor such genetic features, causing microbiota modulation. During the first months following birth, bifidobacteria represent some of the most dominant components of the human gut microbiota, although little is known about their AR gene complement (or resistome). In the current study, we assessed the resistome of the Bifidobacterium genus based on phenotypic and genotypic data of members that represent all currently recognized bifidobacterial (sub)species. Moreover, a comparison between the bifidobacterial resistome and gut metagenome data sets from adults and infants shows that the bifidobacterial community present at the first week following birth possesses a reduced AR arsenal compared to that present in the infant bifidobacterial population in subsequent weeks of the first year of life. Our findings reinforce the concept that the early infant gut microbiota is more susceptible to disturbances by antibiotic treatment than the gut microbiota developed at a later life stage. IMPORTANCE: The spread of resistance to antibiotics among bacterial communities has represented a major concern since their discovery in the last century. The risk of genetic transfer of resistance genes between microorganisms has been extensively investigated due to its relevance to human health. In contrast, there is only limited information available on antibiotic resistance among human gut commensal microorganisms such as bifidobacteria, which are widely exploited by the food industry as health-promoting microorganisms or probiotic ingredients. In the current study, we explored the occurrence of antibiotic resistance genes in the genomes of bifidobacteria and evaluated their genetic mobility to other human gut commensal microorganisms. PMID- 27864181 TI - David Davin. PMID- 27864178 TI - Microbial Nursery Production of High-Quality Biological Soil Crust Biomass for Restoration of Degraded Dryland Soils. AB - Biological soil crusts (biocrusts) are slow-growing, phototroph-based microbial assemblages that develop on the topsoils of drylands. Biocrusts help maintain soil fertility and reduce erosion. Because their loss through human activities has negative ecological and environmental health consequences, biocrust restoration is of interest. Active soil inoculation with biocrust microorganisms can be an important tool in this endeavor. We present a culture-independent, two step process to grow multispecies biocrusts in open greenhouse nursery facilities, based on the inoculation of local soils with local biocrust remnants and incubation under seminatural conditions that maintain the essence of the habitat but lessen its harshness. In each of four U.S. Southwest sites, we tested and deployed combinations of factors that maximized growth (gauged as chlorophyll a content) while minimizing microbial community shifts (assessed by 16S rRNA sequencing and bioinformatics), particularly for crust-forming cyanobacteria. Generally, doubling the frequency of natural wetting events, a 60% reduction in sunlight, and inoculation by slurry were optimal. Nutrient addition effects were site specific. In 4 months, our approach yielded crusts of high inoculum quality reared on local soil exposed to locally matched climates, acclimated to desiccation, and containing communities minimally shifted in composition from local ones. Our inoculum contained abundant crust-forming cyanobacteria and no significant numbers of allochthonous phototrophs, and it was sufficient to treat ca. 6,000 m2 of degraded dryland soils at 1 to 5% of the typical crust biomass concentration, having started from a natural crust remnant as small as 6 to 30 cm2 IMPORTANCE: Soil surface crusts can protect dryland soils from erosion, but they are often negatively impacted by human activities. Their degradation causes a loss of fertility, increased production of fugitive dust and intensity of dust storms with associated traffic problems, and provokes general public health hazards. Our results constitute an advance in the quest to actively restore biological soil covers by providing a means to obtain high-quality inoculum within a reasonable time (a few months), thereby allowing land managers to recover essential, but damaged, ecosystem services in a sustainable, self perpetuating way as provided by biocrust communities. PMID- 27864182 TI - Pleuromediastinal Epithelial-Myoepithelial Carcinomas: A Clinicopathologic and Immunohistochemical Study of Two Cases. AB - OBJECTIVES: Two cases of epithelial-myoepithelial carcinoma are presented, one arising in the pleura and the other in the anterior mediastinum. The cases represent a unique distribution of these tumors within the thoracic cavity. METHODS: Both patients were men aged 25 and 68 years, respectively, who had chest pain and dyspnea. Imaging revealed an anterior mediastinal mass in one patient and a pleural-based tumor in the other. Neither patient had any history of malignancy, and physical examination did not disclose any tumor elsewhere. RESULTS: Initial biopsy specimens were inconclusive, and final diagnosis was deferred to surgical resection performed via median sternotomy and thoracotomy, respectively. Histologically, the lesions were characterized by epithelial and myoepithelial elements distributed as discrete tubules or duct-like structures or sheets of neoplastic cells. Immunohistochemistry showed positive staining for cytokeratin and epithelial membrane antigen in the epithelial component, while S100 protein and smooth muscle actin were expressed in the myoepithelial elements. Follow-up showed that both patients were alive 6 and 12 months after surgery, respectively. CONCLUSIONS: These cases highlight the ubiquitous distribution of salivary gland-type tumors in the thoracic cavity. These tumors should be included in the differential diagnosis of thoracic neoplasms also in locations other than the lung. PMID- 27864183 TI - County-Level Variation in Cardiovascular Disease Mortality in the United States in 2009-2013: Comparative Assessment of Contributing Factors. AB - We examined factors responsible for variation in cardiovascular disease (CVD) mortality across US counties in 2009-2013. We linked county-level census, survey, administrative, and vital statistics data to examine 4 sets of features: demographic factors, social and economic factors, health-care utilization and features of the environment, and population health indicators. County-level associations of these features (standardized to a mean of 0 with a standard deviation of 1) with cardiovascular deaths per 100,000 person-years among adults aged 45-74 years was modeled using 2-level hierarchical linear regression with random intercept for state. The percentage of CVD mortality variation (intercounty disparity) modeled by each set of features was quantified. Demographic composition accounted for 36% of county CVD mortality variation, and another 32% was explained after inclusion of economic/social conditions. Health care utilization, features of the environment, and health indicators explained an additional 6% of CVD mortality variation. The largest contributors to CVD mortality levels were median income (-23.61 deaths/100,000 person-years, 95% CI: 26.95, -20.26) and percentage without a high school education (20.71 deaths/100,000 person-years, 95% CI: 16.48, 24.94). In comparison, the largest health-related contributors were health-care utilization (19.35 deaths/100,000 person-years, 95% CI: 16.36, 22.34) and CVD risk factors (4.80 deaths/100,000 person-years, 95% CI: 2.14, 7.46). Improving health-care access and decreasing the prevalence of traditional CVD risk factors may reduce county CVD mortality levels, but improving socioeconomic circumstances of disadvantaged counties will be required in order to reduce CVD mortality disparities across counties. PMID- 27864184 TI - Surgical Versus Nonsurgical Treatment for Midshaft Clavicle Fractures in Patients Aged 16 Years and Older: A Systematic Review, Meta-analysis, and Comparison of Randomized Controlled Trials and Observational Studies. AB - BACKGROUND: There is no consensus on the choice of treatment of midshaft clavicle fractures (MCFs). PURPOSE: The aims of this systematic review and meta-analysis were (1) to compare fracture healing disorders and functional outcomes of surgical versus nonsurgical treatment of MCFs and (2) to compare effect estimates obtained from randomized controlled trials (RCTs) and observational studies. STUDY DESIGN: Systematic review and meta-analysis. METHODS: The PubMed/MEDLINE, Embase, CENTRAL, and CINAHL databases were searched for both RCTs and observational studies. Using the MINORS instrument, all included studies were assessed on their methodological quality. The primary outcome was a nonunion. Effects of surgical versus nonsurgical treatment were estimated using random effects meta-analysis models. RESULTS: A total of 20 studies were included, of which 8 were RCTs and 12 were observational studies including 1760 patients. Results were similar across the different study designs. A meta-analysis of 19 studies revealed that nonunions were significantly less common after surgical treatment than after nonsurgical treatment (odds ratio [OR], 0.18 [95% CI, 0.10 0.33]). The risk of malunions did not differ between surgical and nonsurgical treatment (OR, 0.38 [95% CI, 0.12-1.19]). Both the long-term Disabilities of the Arm, Shoulder and Hand (DASH) and Constant-Murley scores favored surgical treatment (DASH: mean difference [MD], -2.04 [95% CI, -3.56 to -0.52]; Constant Murley: MD, 3.23 [95% CI, 1.52 to 4.95]). No differences were observed regarding revision surgery (OR, 0.85 [95% CI, 0.42-1.73]). Including only high-quality studies, both the number of malunions and days to return to work show significant differences in favor of surgical treatment (malunions: OR, 0.26 [95% CI, 0.07 to 0.92]; return to work: MD, -8.64 [95% CI, -16.22 to -1.05]). CONCLUSION: This meta-analysis of high-quality studies showed that surgical treatment of MCFs results in fewer nonunions, fewer malunions, and an accelerated return to work compared with nonsurgical treatment. A meta-analysis of surgical treatments need not be restricted to randomized trials, provided that the included observational studies are of high quality. PMID- 27864185 TI - The Pediatric International Knee Documentation Committee (Pedi-IKDC) Subjective Knee Evaluation Form: Normative Data. AB - BACKGROUND: Children are participating in sports at an increasingly younger age, which has contributed to an increased incidence of knee injuries among this population. Because of increased interest in the application of patient-reported outcome measures in orthopaedic surgery to evaluate treatment results, numerous knee outcome scores, including the International Knee Documentation Committee Subjective Form (IKDC), have been used to evaluate the knee. Although the IKDC has been validated only in adults, it is also being used for children because of a lack of appropriate outcome scores in the pediatric population. To address this concern, a pediatric version of the IKDC (Pedi-IKDC) was developed and evaluated for reliability, validity, and responsiveness. However, normative data for the Pedi-IKDC have not been established. PURPOSE: We aimed to aid the interpretation of Pedi-IKDC scores by characterizing normative data in children and adolescents and to validate the Pedi-IKDC by examining differences in scores among children who had a history of knee surgery or limited activity compared with those who did not. STUDY DESIGN: Cross-sectional study; Level of evidence, 3. METHODS: We conducted a cross-sectional survey of 2000 children and adolescents aged 10 to 18 years living in the United States, who were recruited by ORC International to obtain equal numbers of participants by sex and by integer age group. Participants were asked to complete the Pedi-IKDC for 1 study-designated "index" knee (right or left) and to provide demographic data and information on their knee surgery history and recent (4-week) activity limitations. Raw Pedi-IKDC total scores were rescaled to a 0 to 100 scale. We used nonparametric Wilcoxon or Kruskal-Wallis tests to compare subgroup scores, and we used the van Elteren test to adjust for age. Unadjusted and adjusted P values were similar, and only unadjusted values are reported. RESULTS: The number of respondents (N = 2000) was uniform with respect to age and sex, with 11% in each age represented (10-18 years). Fifty percent of respondents were female. Forty-nine states plus Washington, DC, were represented. In addition, 68% and 86% of respondents identified themselves as white and non-Hispanic, respectively. Seven percent of respondents (n = 136) respondents reported having prior surgery in 1 or both knees; 4% of these surgeries (n = 79) were in the index knee. The Pedi-IKDC score distribution was skewed left (mean +/- SD score, 86.7 +/- 16.8; median, 94.6) and 34% of scores reached the ceiling value of 100. Participants who reported prior surgery or limited activity in the index knee had median Pedi-IKDC scores that were approximately 25 points lower than participants without these histories ( P < .0001 for both comparisons). In contrast, although it was statistically significant, the variation by age ( P = .02), race ( P = .02), ethnicity ( P = .01), and level of sports/exercise participation ( P = .04) was much smaller (all ranges of median scores <4.5). There were no significant differences in scores in terms of respondent sex or geographic region. CONCLUSION: Normative Pedi-IKDC scores were determined in this study. The strong association between Pedi-IKDC scores and prior knee surgery as well as recent activity limitations in the index knee can be used to evaluate clinical outcomes and supports the construct validity of the Pedi-IKDC. There was a large ceiling effect, with 34% of scores at the maximum value of 100. The lack of a sex-based effect and the minor variation with age both simplify the interpretation and use of the Pedi-IKDC. Therefore, Pedi-IKDC score distributions can provide assumptions for use in sample size or power calculations for research. PMID- 27864187 TI - Experts weigh minimum naloxone dose as opioid crisis evolves. PMID- 27864188 TI - FDA approves new naloxone strength. PMID- 27864189 TI - Hospital's team effort helps to save boy from deadly amoebic infection. PMID- 27864186 TI - Does Industry-Driven Alcohol Marketing Influence Adolescent Drinking Behaviour? A Systematic Review. AB - AIM: To systematically review evidence on the influence of specific marketing components (Price, Promotion, Product attributes and Place of sale/availability) on key drinking outcomes (initiation, continuation, frequency and intensity) in young people aged 9-17. METHODS: MEDLINE, EMBASE, SCOPUS, PsychINFO, CINAHL and ProQuest were searched from inception to July 2015, supplemented with searches of Google Scholar, hand searches of key journals and backward and forward citation searches of reference lists of identified papers. RESULTS: Forty-eight papers covering 35 unique studies met inclusion criteria. Authors tended to report that greater exposure to alcohol marketing impacted on drinking initiation, continuation, frequency and intensity during adolescence. Nevertheless, 23 (66%) studies reported null results or negative associations, often in combination with positive associations, resulting in mixed findings within and across studies. Heterogeneity in study design, content and outcomes prevented estimation of effect sizes or exploration of variation between countries or age subgroups. The strength of the evidence base differed according to type of marketing exposure and drinking outcome studied, with support for an association between alcohol promotion (mainly advertising) and drinking outcomes in adolescence, whilst only two studies examined the relationship between alcohol price and the drinking behaviour of those under the age of 18. CONCLUSION: Despite the volume of work, evidence is inconclusive in all four areas of marketing but strongest for promotional activity. Future research with standardized measures is needed to build on this work and better inform interventions and policy responses. PMID- 27864192 TI - California Medicaid to pay for five pharmacist services other than CMM. PMID- 27864194 TI - Bezlotoxumab approved to prevent Clostridium difficile recurrence. PMID- 27864195 TI - Summaries of safety labeling changes approved by FDA-boxed warnings highlights, July-September 2016. PMID- 27864196 TI - State affiliate initiative to advance ambulatory care practice. PMID- 27864197 TI - Documentation of clinical interventions by pharmacy students and recent pharmacy graduates. PMID- 27864198 TI - Problems with the current approach to residency research. PMID- 27864199 TI - Problems with the current approach to residency research. PMID- 27864200 TI - Implementation of chronic care management services in primary care practice. PMID- 27864201 TI - Precision medicine in oncology: New practice models and roles for oncology pharmacists. AB - PURPOSE: Three different precision medicine practice models developed by oncology pharmacists are described, including strategies for implementation and recommendations for educating the next generation of oncology pharmacy practitioners. SUMMARY: Oncology is unique in that somatic mutations can both drive the development of a tumor and serve as a therapeutic target for treating the cancer. Precision medicine practice models are a forum through which interprofessional teams, including pharmacists, discuss tumor somatic mutations to guide patient-specific treatment. The University of Wisconsin, Indiana University, and Moffit Cancer Center have implemented precision medicine practice models developed and led by oncology pharmacists. Different practice models, including a clinic, a clinical consultation service, and a molecular tumor board (MTB), were adopted to enhance integration into health systems and payment structures. Although the practice models vary, commonalities of three models include leadership by the clinical pharmacist, specific therapeutic recommendations, procurement of medications for off-label use, and a research component. These three practice models function as interprofessional training sites for pharmacy and medical students and residents, providing an important training resource at these institutions. Key implementation strategies include interprofessional involvement, institutional support, integration into clinical workflow, and selection of model by payer mix. CONCLUSION: MTBs are a pathway for clinical implementation of genomic medicine in oncology and are an emerging practice model for oncology pharmacists. Because pharmacists must be prepared to participate fully in contemporary practice, oncology pharmacy residents must be trained in genomic oncology, schools of pharmacy should expand precision medicine and genomics education, and opportunities for continuing education in precision medicine should be made available to practicing pharmacists. PMID- 27864203 TI - Implementation of a multidisciplinary pharmacogenomics clinic in a community health system. AB - PURPOSE: The development and implementation of a multidisciplinary pharmacogenomics clinic within the framework of an established community-based medical genetics program are described. SUMMARY: Pharmacogenomics is an important component of precision medicine that holds considerable promise for pharmacotherapy optimization. As part of the development of a health system-wide integrated pharmacogenomics program, in early 2015 Northshore University Health System established a pharmacogenomics clinic run by a multidisciplinary team including a medical geneticist, a pharmacist, a nurse practitioner, and genetic counselors. The team identified five key program elements: (1) a billable-service provider, (2) a process for documentation of relevant medication and family histories, (3) personnel with the knowledge required to interpret pharmacogenomic results, (4) personnel to discuss risks, benefits, and limitations of pharmacogenomic testing, and (5) a mechanism for reporting results. The most important program component is expert interpretation of genetic test results to provide clinically useful information; pharmacists are well positioned to provide that expertise. At the Northshore University HealthSystem pharmacogenomics clinic, patient encounters typically entail two one-hour visits and follow a standardized workflow. At the first visit, pharmacogenomics-focused medication and family histories are obtained, risks and benefits of genetic testing are explained, and a test sample is collected; at the second visit, test results are provided along with evidence-based pharmacotherapy recommendations. CONCLUSION: A multidisciplinary clinic providing genotyping and related services can facilitate the integration of pharmacogenomics into clinical care and meet the needs of early adopters of precision medicine. PMID- 27864202 TI - Implementation of inpatient models of pharmacogenetics programs. AB - PURPOSE: The operational elements essential for establishing an inpatient pharmacogenetic service are reviewed, and the role of the pharmacist in the provision of genotype-guided drug therapy in pharmacogenetics programs at three institutions is highlighted. SUMMARY: Pharmacists are well positioned to assume important roles in facilitating the clinical use of genetic information to optimize drug therapy given their expertise in clinical pharmacology and therapeutics. Pharmacists have assumed important roles in implementing inpatient pharmacogenetics programs. This includes programs designed to incorporate genetic test results to optimize antiplatelet drug selection after percutaneous coronary intervention and personalize warfarin dosing. Pharmacist involvement occurs on many levels, including championing and leading pharmacogenetics implementation efforts, establishing clinical processes to support genotype-guided therapy, assisting the clinical staff with interpreting genetic test results and applying them to prescribing decisions, and educating other healthcare providers and patients on genomic medicine. The three inpatient pharmacogenetics programs described use reactive versus preemptive genotyping, the most feasible approach under the current third-party payment structure. All three sites also follow Clinical Pharmacogenetics Implementation Consortium guidelines for drug therapy recommendations based on genetic test results. CONCLUSION: With the clinical emergence of pharmacogenetics into the inpatient setting, it is important that pharmacists caring for hospitalized patients are well prepared to serve as experts in interpreting and applying genetic test results to guide drug therapy decisions. Since genetic test results may not be available until after patient discharge, pharmacists practicing in the ambulatory care setting should also be prepared to assist with genotype-guided drug therapy as part of transitions in care. PMID- 27864204 TI - Integrating pharmacogenomics into electronic health records with clinical decision support. AB - PURPOSE: Existing pharmacogenomic informatics models, key implementation steps, and emerging resources to facilitate the development of pharmacogenomic clinical decision support (CDS) are described. SUMMARY: Pharmacogenomics is an important component of precision medicine. Informatics, especially CDS in the electronic health record (EHR), is a critical tool for the integration of pharmacogenomics into routine patient care. Effective integration of pharmacogenomic CDS into the EHR can address implementation challenges, including the increasing volume of pharmacogenomic clinical knowledge, the enduring nature of pharmacogenomic test results, and the complexity of interpreting results. Both passive and active CDS provide point-of-care information to clinicians that can guide the systematic use of pharmacogenomics to proactively optimize pharmacotherapy. Key considerations for a successful implementation have been identified; these include clinical workflows, identification of alert triggers, and tools to guide interpretation of results. These considerations, along with emerging resources from the Clinical Pharmacogenetics Implementation Consortium and the National Academy of Medicine, are described. CONCLUSION: The EHR with CDS is essential to curate pharmacogenomic data and disseminate patient-specific information at the point of care. As part of the successful implementation of pharmacogenomics into clinical settings, all relevant clinical recommendations pertaining to gene-drug pairs must be summarized and presented to clinicians in a manner that is seamlessly integrated into the clinical workflow of the EHR. In some situations, ancillary systems and applications outside the EHR may be integrated to augment the capabilities of the EHR. PMID- 27864205 TI - Evidence and resources to implement pharmacogenetic knowledge for precision medicine. AB - PURPOSE: The current state of pharmacogenetic data curation and dissemination is described, and evidence-based resources for applying pharmacogenetic data in clinical practice are reviewed. SUMMARY: Implementation of pharmacogenetics in clinical practice has been relatively slow despite substantial scientific progress in understanding linkages between genetic variation and variability of drug response and effect. One factor that has inhibited the adoption of genetic data to guide medication use is a lack of knowledge of how to translate genetic test results into clinical action based on currently available evidence. Other implementation challenges include controversy over selection of appropriate evidentiary thresholds for routine clinical implementation of pharmacogenetic data and the difficulty of compiling scientific data to support clinical recommendations given that large randomized controlled trials to demonstrate the utility of pharmacogenetic testing are not feasible or are not considered necessary to establish clinical utility. Organizations such as the Clinical Pharmacogenetics Implementation Consortium (CPIC) and the Pharmacogenomics Knowledgebase (PharmGKB) systematically evaluate emerging evidence of pharmacogenomic linkages and publish evidence-based prescribing recommendations to inform clinical practice. Both CPIC and PharmGKB provide online resources that facilitate the interpretation of genetic test results and provide prescribing recommendations for specific gene-drug pairs. CONCLUSION: Resources provided by organizations such as CPIC and PharmGKB, which use standardized approaches to evaluate the literature and provide clinical guidance for a growing number of gene-drug pairs, are essential for the implementation of pharmacogenetics into routine clinical practice. PMID- 27864207 TI - Clinical and regulatory considerations in pharmacogenetic testing. AB - PURPOSE: Both regulatory science and clinical practice rely on best available scientific data to guide decision-making. However, changes in clinical practice may be driven by numerous other factors such as cost. In this review, we reexamine noteworthy examples where pharmacogenetic testing information was added to drug labeling to explore how the available evidence, potential public health impact, and predictive utility of each pharmacogenetic biomarker impacts clinical uptake. SUMMARY: Advances in the field of pharmacogenetics have led to new discoveries about the genetic basis for variability in drug response. The Food and Drug Administration recognizes the value of pharmacogenetic testing strategies and has been proactive about incorporating pharmacogenetic information into the labeling of both new drugs and drugs already on the market. Although some examples have readily translated to routine clinical practice, clinical uptake of genetic testing for many drugs has been limited. CONCLUSION: Both regulatory science and clinical practice rely on data-driven approaches to guide decision making; however, additional factors are also important in clinical practice that do not impact regulatory decision making, and these considerations may result in heterogeneity in clinical uptake of pharmacogenetic testing. PMID- 27864208 TI - Payer view of personalized medicine. AB - PURPOSE: The process and methods used by payers when evaluating coverage of personalized medicine testing are described. SUMMARY: Personalized medicine encompasses a number of diagnostic tools that measure drug metabolism, genetic risk for disease development, and tumor type or markers that can guide oncology treatments. However, whole genome testing, tumor marker testing, and testing for drug metabolism are additional costs to the healthcare system. In order to justify these costs, payers and health technology assessment bodies must evaluate the individual tests or groups of tests on their own merits. In order for a test to be covered by payers, test developers must demonstrate clinical utility as measured by improved outcomes or well-informed decision-making. In the United States, payers generally focus on clinical benefit to individual patients and benefits to the healthcare system. Clinical benefits include improved outcomes. Benefits to the healthcare system are generally considered to be cost offsets, which may be due to reductions in the use of unnecessary interventions or to more efficient use of resources. Provider organizations have been assuming more responsibility and liability for healthcare costs through various risk arrangements, including accountable care organizations and patient-centered medical homes. Diagnostic tests that increase efficiency, reduce unnecessary interventions, and improve outcomes will be chosen by specialists in provider organizations. CONCLUSION: For personalized medicine approaches to be adopted and covered by health plans, the methods must be shown to be analytically and clinically valid and provide clinical utility at a reasonable level of cost effectiveness to payers. PMID- 27864206 TI - Educational strategies to enable expansion of pharmacogenomics-based care. AB - PURPOSE: The current state of pharmacogenomics education for pharmacy students and practitioners is discussed, and resources and strategies to address persistent challenges in this area are reviewed. SUMMARY: Consensus-based pharmacist competencies and guidelines have been published to guide pharmacogenomics knowledge attainment and application in clinical practice. Pharmacogenomics education is integrated into various pharmacy school courses and, increasingly, into Pharm.D. curricula in the form of required standalone courses. Continuing-education programs and a limited number of postgraduate training opportunities are available to practicing pharmacists. For colleges and schools of pharmacy, identifying the optimal structure and content of pharmacogenomics education remains a challenge; insufficient numbers of faculty members with pharmacogenomics expertise and the inadequate availability of practice settings for experiential education are other limiting factors. Strategies for overcoming those challenges include providing early exposure to pharmacogenomics through foundational courses and incorporating pharmacogenomics into practice-based therapeutics courses and introductory and advanced pharmacy practice experiences. For practitioner education, online resources, clinical decision support-based tools, and certificate programs can be used to supplement structured postgraduate training in pharmacogenomics. Recently published data indicate successful use of "shared curricula" and participatory education models involving opportunities for learners to undergo personal genomic testing. CONCLUSION: The pharmacy profession has taken a leadership role in expanding student and practitioner education to meet the demand for increased pharmacist involvement in precision medicine initiatives. Effective approaches to teaching pharmacogenomics knowledge and driving its appropriate application in clinical practice are increasingly available. PMID- 27864210 TI - Summaries of safety labeling changes approved by FDA-boxed warnings highlights, July-September 2016. PMID- 27864209 TI - Pharmacists should jump onto the clinical pharmacogenetics train. PMID- 27864212 TI - Rosalind Mary Maskell. PMID- 27864213 TI - Many US patients are hit with surprise emergency care bills, study finds. PMID- 27864214 TI - Vasculitic neuropathy induced by pembrolizumab. PMID- 27864215 TI - Atrophic exocrine pancreatic insufficiency associated with anti-PD1 therapy. PMID- 27864217 TI - Risk of second malignant neoplasms in women and girls with germ cell tumors. AB - Background: While an elevated risk of second malignant neoplasms (SMNs) has been observed in men treated for germ cell tumors (GCTs), risk of SMNs have not been quantified in adult women or in girls treated for GCTs. Patients and methods: One year survivors of primary GCTs diagnosed between January 1980 and December 2012 were identified from Surveillance, Epidemiology, and End Results (SEER 9) registries. Risk of SMNs was calculated using SEER*Stat. Results: Among 1507 patients, a total of 47 SMNs were identified. The overall risk of SMNs was not elevated in females overall or in females treated for GCT during adulthood although SMN sites (pancreas, soft tissue, bladder, kidney, and thyroid) and trends were comparable with those in men. There were too few childhood GCT cases with SMNs for further analysis. Conclusions: Unlike men, women treated for GCTs did not have a statistically significant elevated risk of SMNs [standardized incidence ratio = 1.11; 95% confidence interval (CI) = 0.81-1.47]. The fact that SMNs in women occur in sites similar to those observed in men indicate that long term follow-up of a larger cohort of females treated for GCT is warranted. PMID- 27864218 TI - Second primary malignancies in multiple myeloma: an overview and IMWG consensus. AB - Background: Therapeutic advancements following the introduction of autologous stem cell transplantation and 'novel' agents have significantly improved clinical outcomes for patients with multiple myeloma (MM). Increased life expectancy, however, has led to renewed concerns about the long-term risk of second primary malignancies (SPMs). This review outlines the most up-to-date knowledge of possible host-, disease-, and treatment-related risk factors for the development of SPMs in patients with MM, and provides practical recommendations to assist physicians. Design: A Panel of International Myeloma Working Group members reviewed the most relevant data published in the literature as full papers, or presented at meetings of the American Society of Clinical Oncology, American Society of Hematology, European Hematology Association, or International Myeloma Workshops, up to June 2016. Here, we present the recommendations of the Panel, based on this literature review. Results: Overall, the risk of SPMs in MM is low, multifactorial, and partially related to the length of patients' survival and MM intrinsic susceptibility. Studies suggest a significantly increased incidence of SPMs when lenalidomide is administered either following, or concurrently with, oral melphalan. Increased SPM incidence has also been reported with lenalidomide maintenance following high-dose melphalan, albeit to a lesser degree. In both cases, the risk of death from MM was significantly higher than the risk of death from SPMs, with lenalidomide possibly providing a survival benefit. No increase in SPM incidence was reported with lenalidomide plus dexamethasone (without melphalan), or with bortezomib plus oral melphalan, dexamethasone, or thalidomide. Conclusion: In general, the risk of SPMs should not alter the current therapeutic decision-making process in MM. However, regimens such as lenalidomide plus dexamethasone should be preferred to prolonged exposure to lenalidomide plus oral melphalan. SPM risk should be carefully discussed with the patient in the context of benefits and risks of different treatment options. PMID- 27864222 TI - Johan Willem Rademaker. PMID- 27864216 TI - Resistance to anticancer immunity in cancer patients: potential strategies to reverse resistance. AB - In the 1990s, the application of immunotherapy approaches to target cancer cells resulted in significant clinical responses in patients with advanced malignancies who were refractory to conventional therapies. While early immunotherapeutics were focused on T cell-mediated cytotoxic activity, subsequent efforts were centered on targeted antibody-mediated anticancer therapy. The initial success with antibody therapy encouraged further studies and, consequently, there are now more than 25 FDA-approved antibodies directed against a range of targets. Although both T cell and antibody therapies continue to result in significant clinical responses with minimal toxicity, a significant subset of patients does not respond to immunotherapy and another subset develops resistance following an initial response. This review is focused on describing examples showing that cancer resistance to immunotherapies indeed occurs. In addition, it reviews the mechanisms being used to overcome the resistance to immunotherapies by targeting the tumor cell directly and/or the tumor microenvironment. PMID- 27864220 TI - Estimating 12-week death probability in patients with refractory metastatic colorectal cancer: the Colon Life nomogram. AB - Background: Regorafenib and TAS-102 have recently demonstrated statistically significant survival gains in patients with refractory metastatic colorectal cancer (mCRC). Life expectancy >=12 weeks was an inclusion criterion in registrative trials, and the identification of proper clinical selection tools for the daily use of these drugs in heavily pre-treated patients is needed to improve the cost-benefit ratio. We aimed at building a nomogram able to predict death probability within 12 weeks from the date of assessment of refractory mCRC. Patients and methods: Four hundred eleven refractory mCRC patients with ECOG performance status (PS) <=2 receiving regorafenib, TAS-102 or other treatments were used as developing set. Putative prognostic variables were selected using a random forest model and included in a binary logistic model from which the nomogram was developed. The nomogram was externally validated and its performance was evaluated by examining calibration (how close predictions were to the actual outcome) and discriminative ability (Harrell C index) both on developing (internal validation) and validating (external validation) sets. Results: Four variables were selected and included in the nomogram: PS (P < 0.0001), primary tumor resection (P = 0.027), LDH value (P = 0.0001) and peritoneal involvement (P = 0.081). In the developing set, the nomogram discriminative ability was high (C = 0.778), and was confirmed in the validating set (C = 0.778), where the overall outcome was better as a consequence of the enrichment in patients receiving regorafenib or TAS-102 (46% versus 34%; P < 0.0001). Conclusions: Our nomogram may be a useful tool to predict the probability of death within 12 weeks in patients with refractory mCRC. Based on four easy-to-collect variables, the 'Colon Life' nomogram and free app for smartphones may improve mCRC patients' selection for later-line therapies and assist researchers for the enrollment in clinical trials in this setting. PMID- 27864219 TI - Neoadjuvant chemotherapy (NACT) increases immune infiltration and programmed death-ligand 1 (PD-L1) expression in epithelial ovarian cancer (EOC). AB - Background: Lymphocytic infiltration at diagnosis is prognostic in EOC, however, the impact of NACT on tumour infiltrating lymphocytes (TILs) or PD-L1 expression remains poorly described. Patients and methods: Patients with EOC and sequential samples (pre-NACT, post-NACT or relapse) were retrospectively identified. TILs were evaluated on whole sections; stromal TILs (sTILs) scored as percentage of stromal area with high sTILs defined as >=50%; intra-epithelial TILs (ieTILs) scored semi-quantitatively (0-3) with high ieTILs >=2. A smaller number were available for PD-L1 evaluation, cut-off for positivity was >=5% staining. Results: sTILs were detected in all tumours at diagnosis (range 2-90%, median 20%), with 22% (25/113) showing high sTILs. Among evaluable paired pre/post-NACT samples (N = 83), an overall increase in median sTILs from 20% to 30% was seen following NACT (P = 0.0005); individually the impact of NACT varied with sTILs increasing in 51% (42/83), decreasing in 25%, and stable in 24%. Post-NACT sTILs were predictive of platinum-free interval (PFI), patients with PFI >=6 months had significantly higher post-NACT sTILs (sTILs 28% versus 18% for PFI <6 months, P = 0.026); pre-NACT sTILS were not predictive. At diagnosis, 23% showed high ieTILs, and following NACT 33% showed increasing ieTILs. Proportion of tumours with PD-L1 positive immune cells was 30% (15/50) pre-NACT and 53% (27/51) post-NACT (P = 0.026). Among paired tumours, 63% of PD-L1-negative tumours became positive after NACT, furthermore cisplatin induced PD-L1 expression in PD-L1-negative EOC cell lines. On multivariate analysis, high sTILs both pre- and post-NACT were independent prognostic factors for progression-free survival (PFS) (HR 0.49, P = 0.02 and HR 0.60, P = 0.05, respectively). No prognostic impact of ieTILs or PD L1 expression was detected. Conclusions: In EOC, sTILs levels are prognostic at diagnosis and remain prognostic after NACT. TILs and PD-L1 expression increase following NACT. Evaluation of immune parameters in the post-NACT tumour may help select patients for immunotherapy trials. PMID- 27864223 TI - Field evidence of strong differential pollen placement by Old World bat pollinated plants. AB - BACKGROUND AND AIMS: Sympatric plant species that share pollinators potentially compete for pollination and risk interspecific pollen transfer, but this competition can be minimized when plant species place pollen on different areas of the pollinator's body. Multiple studies have demonstrated strong differential pollen placement by sympatric plant species under laboratory conditions; however, field evidence collected in natural settings is less common. Furthermore, it is unknown whether precise pollen placement on the pollinator's body remains constant throughout the foraging period, or if such patterns become diffused over time (e.g. due to grooming). To test the prevalence of differential pollen placement in the wild, we examined a community of five night-blooming plant species in southern Thailand that share common bat pollinators. METHODS: We mist netted wild foraging nectar bats and collected pollen samples from four body parts: the crown of the head, face, chest and ventral side of one wing. We also noted the time of pollen collection to assess how pollinator pollen loads change throughout the foraging period. KEY RESULTS: Our findings revealed that most of our plant study species placed pollen on precise areas of the bat, consistent with experimental work, and that patterns of differential pollen placement remained constant throughout the night. CONCLUSIONS: This study demonstrates how diverse floral morphologies effectively limit interspecific pollen transfer among Old World bat-pollinated plants under natural conditions. Additionally, interspecific pollen transfer is probably minimal throughout the entire foraging period, since patterns of pollen on the bats' bodies were consistent over time. PMID- 27864226 TI - Pinpointing Cancer Stem Cells in Oligodendroglioma. AB - Through single-cell RNA sequencing of low-grade oligodendrogliomas, researchers have identified a cell population featuring a gene expression signature similar to those of neural stem and progenitor cells. These cancer stem cells have enriched proliferative potential and may be responsible for fueling the growth of this glioma subtype. PMID- 27864224 TI - Infection by Rhodococcus fascians maintains cotyledons as a sink tissue for the pathogen. AB - Background and Aims: Pisum sativum L. (pea) seed is a source of carbohydrate and protein for the developing plant. By studying pea seeds inoculated by the cytokinin-producing bacterium, Rhodococcus fascians , we sought to determine the impact of both an epiphytic (avirulent) strain and a pathogenic strain on source sink activity within the cotyledons during and following germination. Methods: Bacterial spread was monitored microscopically, and real-time reverse transcription-quantitative PCR was used to determine the expression of cytokinin biosynthesis, degradation and response regulator gene family members, along with expression of family members of SWEET , SUT , CWINV and AAP genes - gene families identified initially in pea by transcriptomic analysis. The endogenous cytokinin content was also determined. Key Results: The cotyledons infected by the virulent strain remained intact and turned green, while multiple shoots were formed and root growth was reduced. The epiphytic strain had no such marked impact. Isopentenyl adenine was elevated in the cotyledons infected by the virulent strain. Strong expression of RfIPT , RfLOG and RfCKX was detected in the cotyledons infected by the virulent strain throughout the experiment, with elevated expression also observed for PsSWEET , PsSUT and PsINV gene family members. The epiphytic strain had some impact on the expression of these genes, especially at the later stages of reserve mobilization from the cotyledons. Conclusions: The pathogenic strain retained the cotyledons as a sink tissue for the pathogen rather than the cotyledon converting completely to a source tissue for the germinating plant. We suggest that the interaction of cytokinins, CWINVs and SWEETs may lead to the loss of apical dominance and the appearance of multiple shoots. PMID- 27864228 TI - IFNgamma Mutations Prompt CTLA-4 Inhibitor Resistance. AB - A recent study pinpoints loss of IFNgamma signaling as one reason why many patients do not respond to the CTLA-4 inhibitor ipilimumab. Analyzing whole-exome tumor sequencing data from 16 patients with melanoma, the researchers found multiple copy-number alterations that led to the loss of key IFNgamma pathway genes in 12 ipilimumab nonresponders. Mice bearing melanoma tumors that lacked one of these genes, IFNGR1, also had an impaired response to anti-CTLA-4 therapy and significantly reduced overall survival, compared with their counterparts whose tumors had intact IFNGR1. PMID- 27864225 TI - Should I fight or should I grow now? The role of cytokinins in plant growth and immunity and in the growth-defence trade-off. AB - Background: Perception and activation of plant immunity require a remarkable level of signalling plasticity and control. In Arabidopsis and other plant species, constitutive defence activation leads to resistance to a broad spectrum of biotrophic pathogens, but also frequently to stunted growth and reduced seed set. Plant hormones are important integrators of the physiological responses that influence the outcome of plant-pathogen interactions. Scope: We review the mechanisms by which the plant hormone cytokinin regulates both plant growth and response to pathogens, and how cytokinins may connect these two processes, ultimately affecting the growth trade-offs observed in plant immunity. PMID- 27864232 TI - Bringing Precision Medicine to Community Oncologists. AB - Quest Diagnostics has teamed up with Memorial Sloan Kettering Cancer Center and IBM Watson Health to offer IBM Watson Genomics to its network of community cancer centers and hospitals. This new service aims to advance precision medicine by combining genomic tumor sequencing with the power of cognitive computing. PMID- 27864233 TI - Aging is associated with impaired angiogenesis, but normal microvascular network structure, in the rat mesentery. AB - : A big problem associated with aging is thought to be impaired microvascular growth or angiogenesis. However, to link the evidence for impaired angiogenesis to microvascular dysfunction in aged tissues, we must compare adult vs. aged microvascular networks in unstimulated scenarios. The objective of this study was to test the hypothesis that aged microvascular networks are characterized by both fewer vessels and the impaired ability to undergo angiogenesis. Mesentery tissues from adult (9-mo) and aged (24-mo) male Fischer 344 rats were harvested and immunolabeled for platelet/endothelial cell adhesion molecule (an endothelial cell marker) according to two scenarios: unstimulated and stimulated. For unstimulated groups, tissues harvested from adult and aged rats were compared. For stimulated groups, tissues were harvested 3 or 10 days after compound 48/80 induced mast cell degranulation stimulation. Unstimulated aged microvascular networks displayed larger mean vascular area per tissue area compared with the unstimulated adult networks. The lack of a decrease in vessel density was supported at the gene expression level with RNA-Seq analysis and with comparison of vessel densities in soleus muscle. Following stimulation, capillary sprouting and vessel density were impaired in aged networks at 3 and 10 days, respectively. Our results suggest that aging associated with impaired angiogenesis mechanisms might not influence normal microvascular function, since unstimulated aged microvascular networks can display a "normal adult-like" vessel density and architecture. NEW & NOTEWORTHY: Using a multidimensional approach, we present evidence supporting that aged microvascular networks display vessel density and patterning similar to adult networks despite also being characterized by a decreased capacity to undergo angiogenesis. Thus, vessel loss is not necessarily a characteristic of aging. PMID- 27864234 TI - Interruption of perivascular sympathetic nerves of cerebral arteries offers neuroprotection against ischemia. AB - : Sympathetic nervous system activity is increased after cardiopulmonary arrest, resulting in vasoconstrictor release from the perivascular sympathetic nerves of cerebral arteries. However, the pathophysiological function of the perivascular sympathetic nerves in the ischemic brain remains unclear. A rat model of global cerebral ischemia (asphyxial cardiac arrest, ACA) was used to investigate perivascular sympathetic nerves of cerebral arteries via bilateral decentralization (preganglionic lesion) of the superior cervical ganglion (SCG). Decentralization of the SCG 5 days before ACA alleviated hypoperfusion and afforded hippocampal neuroprotection and improved functional outcomes. These studies can provide further insights into the functional mechanism(s) of the sympathetic nervous system during ischemia. NEW & NOTEWORTHY: Interruption of the perivascular sympathetic nerves can alleviate CA-induced hypoperfusion and neuronal cell death in the CA1 region of the hippocampus to enhance functional learning and memory. PMID- 27864235 TI - L5-LDL from ST-elevation myocardial infarction patients induces IL-1beta production via LOX-1 and NLRP3 inflammasome activation in macrophages. AB - : L5-LDL, the most electronegative LDL associated with major cardiovascular risks, significantly rises in patients with ST-segment elevation myocardial infarction (STEMI). The inflammatory nature of atherosclerotic vascular diseases has prompted us to investigate whether L5-LDL induces the production of inflammatory cytokines, especially vascular ischemia-related interleukin (IL) 1beta, in the pathogenesis of STEMI. Clinical data showed that plasma levels of L5-LDL and IL-1beta were higher in the STEMI patients than in the controls (P < 0.05). In THP-1-derived human macrophages, L5-LDL significantly increased the levels of both IL-1beta and cleaved caspase-1, indicating the activation of NOD like receptor pyrin domain containing 3 (NLRP3) inflammasomes by L5-LDL. Knockdown of NLRP3 and its adaptor protein apoptosis-associated speck-like protein containing a CARD (ASC) resulted in decreased L5-LDL-induced IL-1beta. Furthermore, knock down of the lectin-type oxidized LDL receptor (LOX-1) in THP-1 cells attenuated L5-LDL-induced activation of NF-kappaB and caspase-1, leading to subsequent inhibition of IL-1beta in macrophages. Furthermore, blockade LOX-1 with neutralizing antibody also inhibited L5-LDL-induced IL-1beta in human peripheral blood mononuclear cell-derived macrophages. In conclusion, L5-LDL induces IL-1beta production in macrophages by activation of NF-kappaB and caspase 1 through the LOX-1-dependent pathway. This study represents the evidence linking L5-LDL and the inflammatory cytokine IL-1beta in STEMI, and identifies L5-LDL as a novel therapeutic target in acute myocardial infarction. NEW & NOTEWORTHY: This study represents the evidence linking L5-LDL and the inflammatory cytokine IL 1beta in ST-segment elevation myocardial infarction (STEMI). We elucidate the molecular mechanism underlying L5-LDL-induced production of IL-1beta in macrophages. The results showed that L5-LDL induced activation of caspase-1 and NF-kappaB through the lectin-type oxidized LDL receptor (LOX-1)-dependent pathway, leading to the production of IL-1beta. PMID- 27864237 TI - Effect of selected clinical trial publication on adjunctive nonstatin medication prescribing in the Veterans Health Administration system. AB - PURPOSE: The question of whether publication of selected clinical trials is temporally followed by changes in prescribing of adjunctive lipid-lowering medications was evaluated. METHODS: In this retrospective preanalysis and postanalysis, Veterans Health Administration (VHA) patients 18 years or older who received a new or renewed order for any lipid-lowering medication between April 2, 2004, and September 2, 2014, were included. This period was chosen based on the publication dates of three trials investigating the efficacy of nonstatin medications: Simvastatin with or without Ezetimibe in Familial Hypercholesterolemia (ENHANCE, April 3, 2008), Effects of Combination Lipid Therapy in Type 2 Diabetes Mellitus (ACCORD Lipid, March 14, 2010), and Niacin in Patients with Low HDL Cholesterol Levels Receiving Intensive Statin Therapy (AIM HIGH, December 15, 2011). Annual prescribing rates for ezetimibe, fibrates, and niacin were analyzed for 4 years before and after the ENHANCE, ACCORD, and AIM HIGH trial publication dates, respectively (3 years for niacin in AIM-HIGH) and reported as percent of patients in the cohort. RESULTS: Among patients receiving lipid-lowering medications, relatively low overall prescribing rates were observed for all three target medications. Prescribing rates for each medication decreased after its respective trial publication, with ezetimibe having the greatest change. CONCLUSION: Prescribing of fibrates, niacin, and ezetimibe in the VHA system decreased after the publication of landmark trials assessing their addition to a statin, consistent with the recommendations in the 2013 American College of Cardiology/American Heart Association (ACC/AHA) guideline, which did not encourage routine use of adjunctive therapies to lower the risk of cardiovascular disease. PMID- 27864236 TI - Evaluation of adherence to current guidelines for treatment of hyperlipidemia in adults in an outpatient setting. AB - PURPOSE: Adherence to the 2013 American College of Cardiology (ACC)/American Heart Association (AHA) cholesterol guideline at an outpatient clinic was evaluated. METHODS: This retrospective chart review study was conducted from December 1, 2013, through November 30, 2014, at an urban outpatient clinic. Estimated 10-year atherosclerotic cardiovascular disease (ASCVD) risk was calculated based on the pooled cohort equation for all patients. Patients were categorized into one of four statin-benefit groups, in descending order of ASCVD risk. The recommended intensity of a statin and the therapeutic response were determined for each patient. If statin therapy was indicated, patients were assigned to the moderate-intensity, moderate- or high-intensity, or high intensity group according to guideline recommendations. These guideline recommended statin intensities were then compared to the patient's prescribed statin to determine guideline concordance. Therapeutic response, expressed as the percent decrease in low-density lipoprotein cholesterol, was determined based on recommended statin intensity. RESULTS: A total of 255 patients were initiated on statin therapy; 193 were included for data analysis. Overall adherence to the guideline was 65.8%, with the highest rate in the group of patients with the lowest risk of ASCVD (97.8%). The group with the lowest rate of adherence to recommendations was patients with clinical ASCVD (46.9%). Only 31.6% of patients had a follow-up lipid panel performed, and even fewer achieved a therapeutic response. CONCLUSION: A majority of patients were initiated on the appropriate intensity of statin therapy according to the ACC/AHA cholesterol guideline. Of the small number of patients who had follow-up visits, few achieved a therapeutic response based on their prescribed statin therapy. PMID- 27864238 TI - Outcomes of a pharmacist-managed glucose collaborative practice agreement. AB - PURPOSE: The impact of a pharmacist-managed glucose collaborative practice agreement (CPA) on glycemic control at a tertiary medical center was investigated. METHODS: A retrospective data analysis was performed on hospitalized, noncritically ill patients admitted between December 2012 and June 2014 who received at least one dose of subcutaneous insulin and experienced at least one blood glucose concentration of 140 mg/dL or higher. The study population was divided into cohorts based on admittance before versus after implementation of the CPA, as well as glucose management by pharmacist versus nonpharmacist provider. The primary endpoint of the study was glycemic control, defined as the percentage of total admitted days spent within a goal blood glucose range of 70-180 mg/dL. Secondary endpoints included the rate of hypoglycemia (less than 70 mg/dL), the rate of severe hypoglycemia (less than 40 mg/dL), the rate of severe hyperglycemia (greater than 300 mg/dL), the length of stay, and workload metrics. RESULTS: A total of 5146 patients were included in the study. There was no statistically significant difference in glycemic control across all cohorts (p > 0.05). Secondary outcomes showed no statistically significant differences in the rates of hypoglycemia, severe hypoglycemia, and severe hyperglycemia across all cohorts. There was a significantly longer length of stay in the pharmacist-managed cohort (p < 0.001). Workload metrics indicated a 25.8% increase in the number of pharmacist-managed glucose consults post-CPA implementation. CONCLUSION: Pharmacists at a tertiary medical center were able to provide an inpatient glucose management service that maintained similar glycemic control for patients with diabetes as nonpharmacist providers. PMID- 27864239 TI - Development and implementation of a pharmacist-run comprehensive medication review program in Wisconsin. AB - PURPOSE: The development and implementation of a centralized, pharmacist-run population health program were pursued within a health system to increase patient exposure to comprehensive medication reviews (CMRs) and improve visit processes. SUMMARY: Program implementation included choosing appropriate pilot pharmacy locations, developing a feasible staffing model, standardizing the workflow, and creating a patient referral process. The impact on patient exposure, specific interventions, and the sustainability of the program were evaluated over a seven month period. A total of 96 CMRs were scheduled during the data collection period. Attendance at scheduled CMRs was 54% (52 visits); there were 25 cancellations (26%) and 19 no-shows (20%). Since program implementation, there has been more than a twofold increase (2.08) in the number of CMRs completed within the health system. On average, all aspects of each patient visit took 1.78 hours to complete. Pharmacists spent 28% of scheduled time on CMR tasks and 72% of time on telephone calls and technical tasks to maintain appointments. CONCLUSION: A pharmacist-run CMR program helped to elevate the role of the community pharmacist in a health system and to improve patient exposure to CMRs. Sustaining a centralized CMR program requires support from other members of the health-system team so that pharmacists can spend more time providing patient care and less time on the technical tasks involved. PMID- 27864240 TI - New Horizons in orthostatic hypotension. AB - Background: orthostatic hypotension (OH) is a common disabling condition associated with increased morbidity and mortality. Much of the evidence available is derived from younger populations with chronic neurological disease leading to uncertainty for the diagnosis and management of older people. Objective: to provide an overview of recent and emerging evidence for the diagnosis, management and prognosis of OH in older persons. Methods: a narrative review of recent studies, emerging therapies and relevant regulatory updates. Findings: revisions to the diagnostic criteria for OH include the duration of the blood pressure drop, specific criteria for initial and delayed OH and OH with hypertension. Non drug therapies remain the first-line treatment option and Comprehensive Geriatric Assessment appears to result in lower rates of OH. Recent evidence concerning withdrawal of causative medication is inconsistent. Midodrine has recently become the only licenced medication for OH in the UK. Other emerging treatments include atomoxetine and droxidopa but these require further evaluation. Many other agents may be used but are not supported by high-quality evidence. The increase in mortality associated with OH is less apparent in older people. Summary: OH remains common in older people, the new diagnostic criteria address some of the previous uncertainty but evidence concerning withdrawal of antihypertensives is conflicting. Midodrine is now the only licenced medication for OH in the UK, but non-drug therapies remain first line and fludrocortisone may be considered before midodrine. We may see other agents such as droxidopa becoming increasingly used over the coming years. PMID- 27864242 TI - Understanding the delayed prescribing of antibiotics for respiratory tract infection in primary care: a qualitative analysis. AB - OBJECTIVE: To identify general practitioner (GP) views and understanding on the use of delayed prescribing in primary care. DESIGN: Qualitative semistructured telephone interview study. SETTING: Primary care general practices in England. PARTICIPANTS: 32 GPs from identified high-prescribing and low-prescribing general practices in England. METHOD: Semistructured telephone interviews were conducted with GPs identified from practices within clinical commissioning groups with the highest and lowest prescribing rates in England. A thematic analysis of the data was conducted to generate themes. RESULTS: All GPs had a good understanding of respiratory tract infection (RTI) management and how the delayed prescribing approach could be used in primary care. However, GPs highlighted factors that were influential as to whether delayed prescribing was successfully carried out during the consultation. These included the increase in evidence of antimicrobial resistance, and GPs' prior experiences of using delayed prescribing during the consultation. The patient-practitioner relationship could also influence treatment outcomes for RTI, and a lack of an agreed prescribing strategy within and between practices was considered to be of significance to GPs. Participants expressed that a lack of feedback on prescribing data at an individual and practice level made it difficult to know if delayed prescribing strategies were successful in reducing unnecessary consumption. GPs agreed that coherent and uniform training and guidelines would be of some benefit to ensure consistent prescribing throughout the UK. CONCLUSIONS: Delayed prescribing is encouraged in primary care, but is not always implemented successfully. Greater uniformity within and between practices in the UK is needed to operationalise delayed prescribing, as well as providing feedback on the uptake of antibiotics. Finally, GPs may need further guidance on how to answer the concerns of patients without interpreting these questions as a demand for antibiotics, as well as educating the patient about antimicrobial resistance and supporting a good patient practitioner relationship. PMID- 27864241 TI - Retrospective analysis of age-adjusted body mass index among pre-pregnant women in the Lithuanian urban area during three decades. AB - BACKGROUND: The prevalence of maternal obesity at the beginning of pregnancy is increasing. However, there are some studies reporting the stabilisation of obesity epidemic or even the downward trend in the general population. OBJECTIVE: To determine the prevalence of overweight and obesity in Lithuanian pre-pregnant women during 3 decades. METHODS: This observational retrospective study included a sample of 2827, women aged 18-44 years who gave birth in 1987-1989, 1996-1997 and 2007-2010: 861 (30.5%), 995 (35.2%) and 971 (34.3%), respectively. All women were divided into groups by body mass index (BMI) calculated from self-reported weight and height, and age reported during the first antenatal visit. Quantitative parametric variables were expressed as mean and SD; qualitative variables, as absolute numbers (n) and percentage (%). For parametric data, analysis of variance (ANOVA) was used. Differences were considered statistically significant at p<0.05. RESULTS: The prevalence of overweight and obesity among women aged 18-24 years decreased from 20.9% in 1987-1989 to 9.5% in 1996-1997 but increased to 15.7% in 2007-2010; among women aged 25-34 years, decreased from 35.5% in 1987-1989 to 23% in 1996-1997 and to 22.4% in 2007-2010; and among women aged 35-44 years decreased from 64.9% in 1987-1989 to 34% in 1996-1997 but increased to 45.3% in 2007-2010. BMI increased with an increasing age (r=0.254, p<0.05). Analysis by separate periods (1987-1989, 1996-1997 and 2007-2010) revealed a positive correlation between BMI and age at the first antenatal visit in all periods (r=0.325, p<0.01; r=0.266, p<0.01; and r=0.210, p<0.01, respectively). CONCLUSIONS: The prevalence of overweight and obesity among pre pregnant women tended to decrease in the Lithuanian urban area during 3 decades. A slight increase in overweight and obesity documented in 2007-2010 compared with 1996-1997 most likely was caused by older maternal age. PMID- 27864243 TI - Determinants of the sustained employment of physician assistants in hospitals: a qualitative study. AB - OBJECTIVES: To identify determinants of the initial employment of physician assistants (PAs) for inpatient care as well as of the sustainability of their employment. DESIGN: We conducted a qualitative study with semistructured interviews with care providers. Interviews continued until data saturation was achieved. All interviews were transcribed verbatim. A framework approach was used for data analysis. Codes were sorted by the themes, bringing similar concepts together. SETTING: This study was conducted between June 2014 and May 2015 within 11 different hospital wards in the Netherlands. The wards varied in medical speciality, as well as in hospital type and the organisational model for inpatient care. PARTICIPANTS: Participant included staff physicians, residents, PAs and nurses. RESULTS: The following themes emerged to be important for the initial employment of PAs and the sustainability of their employment: the innovation, individual factors, professional interactions, incentives and resources, capacity for organisational change and social, political and legal factors. CONCLUSIONS: 10 years after the introduction of PAs, there was little discussion among the adopters about the added value of PAs, but organisational and financial uncertainties played an important role in the decision to employ and continue employment of PAs. Barriers to employ and continue PA employment were mostly a consequence of locally arranged restrictions by hospital management and staff physicians, as barriers regarding national laws, PA education and competencies seemed absent. PMID- 27864244 TI - Impact of smoking on fertility and age of menopause: a population-based assessment. AB - BACKGROUND AND AIMS: Studies in patients seeking medically assisted reproduction have shown that smoking reduces fertility, but little information is available in the general population. We assessed the associations between smoking and the number of children, childbearing planning and age at menopause in a representative sample of the population of Lausanne, Switzerland. METHODS: Data from 6711 participants (3530 women, age range 35-75 years) collected between 2003 and 2006 and again in 2009 and 2012. Smoking status, number of offsprings and age of menopause were assessed. RESULTS: Women who currently smoke had significantly less children than former or never smokers: the number of children per women (average+/-SD) was 1.38+/-1.05, 1.45+/-1.07 and 1.576+/-1.16, respectively (p<0.001). Women who currently smoke had their first child at an earlier age than the others: 26.7+/-5.2, 27.4+/-5.4 and 26.9+/-5.2 years old for current, former and never smokers, respectively, (p=0.01). Similar findings were found for men: number of children per men 1.475+/-1.16, 1.67+/-1.13 and 1.55+/-1.22 for current, former and never smokers, respectively (p<0.001); no difference was found regarding age at the first child. The difference persisted after multivariate adjustment (adjusted for age, body mass index, Caucasian origins, alcohol consumption, caffeinated drinks consumption, educational level, receiving social help and women taking contraceptives) for the age at first child among women. No association was found between Heaviness of Smoking Index and the number of children among current smokers in both genders. Women who smoke had their menopause more than 1 year prior than never-smoking women (48.9+/-0.2 years compared with 47.8+/-0.3 years, respectively, p=0.002). CONCLUSIONS: Smoking is associated with an earlier age of having the first child and of menopause among women. PMID- 27864245 TI - Social networks of men who have sex with men and their implications for HIV/STI interventions: results from a cross-sectional study using respondent-driven sampling in a large and a small city in Tanzania. AB - OBJECTIVE: Men who have sex with men (MSM) in sub-Saharan Africa remain hidden and hard to reach for involvement in HIV and sexually transmitted infection (STI) services. The aim of the current study was to describe MSM social networks in a large and a small Tanzanian city in order to explore their utility for peer-based healthcare interventions. METHODS: Data were collected through respondent-driven sampling (RDS) in Dar es Salaam (n=197) and in Tanga (n=99) in 2012 and 2013, using 5 and 4 seeds, respectively. All results were adjusted for RDS sampling design. RESULTS: Mean personal network size based on the number of MSM who were reported by the participants, as known to them was 12.0+/-15.5 in Dar es Salaam and 7.6+/-8.1 in Tanga. Mean actual RDS network size was 39.4+/-31.4 in Dar es Salaam and 25.3+/-9.7 in Tanga. A majority (97%) reported that the person from whom they received the recruitment coupon was a sexual partner, close friend or acquaintance. Homophile in recruitment patterns (selective affiliation) was present for age, gay openness, and HIV status in Dar es Salaam, and for sexual identification in Tanga. CONCLUSIONS: The personal network sizes and existence of contacts between recruiter and referral indicate that it is possible to use peer driven interventions to reach MSM for HIV/STI interventions in larger and smaller sub-Saharan African cities. The study was reviewed and approved by the University of Texas Health Science Center's Institutional Review Board (HSC-SPH-10-0033) and the Tanzanian National Institute for Medical Research (NIMR/HQ/R.8a/Vol. IX/1088). PMID- 27864246 TI - Preventing postnatal maternal mental health problems using a psychoeducational intervention: the cost-effectiveness of What Were We Thinking. AB - OBJECTIVES: Postnatal maternal mental health problems, including depression and anxiety, entail a significant burden globally, and finding cost-effective preventive solutions is a public policy priority. This paper presents a cost effectiveness analysis of the intervention, What Were We Thinking (WWWT), for the prevention of postnatal maternal mental health problems. DESIGN: The economic evaluation, including cost-effectiveness and cost-utility analyses, was conducted alongside a cluster-randomised trial. SETTING: 48 Maternal and Child Health Centres in Victoria, Australia. PARTICIPANTS: Participants were English-speaking first-time mothers attending participating Maternal and Child Health Centres. Full data were collected for 175 participants in the control arm and 184 in the intervention arm. INTERVENTION: WWWT is a psychoeducational intervention targeted at the partner relationship, management of infant behaviour and parental fatigue. OUTCOME MEASURES: The evaluation considered public sector plus participant out-of pocket costs, while outcomes were expressed in the 30-day prevalence of depression, anxiety and adjustment disorders, and quality-adjusted life years (QALYs). Incremental costs and outcomes were estimated using regression analyses to account for relevant sociodemographic, prognostic and clinical characteristics. RESULTS: The intervention was estimated to cost $A118.16 per participant. The analysis showed no statistically significant difference between the intervention and control groups in costs or outcomes. The incremental cost effectiveness ratios were $A36 451 per QALY gained and $A152 per percentage-point reduction in 30-day prevalence of depression, anxiety and adjustment disorders. The estimate lies under the unofficial cost-effectiveness threshold of $A55 000 per QALY; however, there was considerable uncertainty surrounding the results, with a 55% probability that WWWT would be considered cost-effective at that threshold. CONCLUSIONS: The results suggest that, although WWWT shows promise as a preventive intervention for postnatal maternal mental health problems, further research is required to reduce the uncertainty over its cost-effectiveness as there were no statistically significant differences in costs or outcomes. TRIAL REGISTRATION NUMBER: ACTRN12613000506796; results. PMID- 27864247 TI - Impact of a pharmacist-delivered discharge and follow-up intervention for patients with acute coronary syndromes in Qatar: a study protocol for a randomised controlled trial. AB - INTRODUCTION: Acute coronary syndrome (ACS) is one of the leading causes of morbidity and mortality worldwide. Secondary cardiovascular risk reduction therapy (consisting of an aspirin, a beta-blocker, an ACE inhibitor or an angiotensin II receptor blocker and a statin) is needed for all patients with ACS. Less than 80% of patients with ACS in Qatar use this combination after discharge. This study is aimed to evaluate the effectiveness of clinical pharmacist-delivered intervention at discharge and tailored follow-up postdischarge on decreasing hospital readmissions, emergency department (ED) visits and mortality among patients with ACS. METHODS AND ANALYSIS: A prospective, randomised controlled trial will be conducted at the Heart Hospital in Qatar. Patients are eligible for enrolment if they are at least 18 years of age and are discharged from any non-surgical cardiology service with ACS. Participants will be randomised into 1 of 3 arms: (1) 'control' arm which includes patients discharged during weekends or after hours; (2) 'clinical pharmacist delivered usual care at discharge' arm which includes patients receiving the usual care at discharge by clinical pharmacists; and (3) 'clinical pharmacist-delivered structured intervention at discharge and tailored follow-up postdischarge' arm which includes patients receiving intensive structured discharge interventions in addition to 2 follow-up sessions by intervention clinical pharmacists. Outcomes will be measured by blinded research assistants at 3, 6 and 12 months after discharge and will include: all-cause hospitalisations and cardiac-related hospital readmissions (primary outcome), all-cause mortality including cardiac-related mortality, ED visits including cardiac-related ED visits, adherence to medications and treatment burden. Percentage of readmissions between the 3 arms will be compared on intent-to-treat basis using chi2 test with Bonferroni's adjusted pairwise comparisons if needed. ETHICS AND DISSEMINATION: The study was ethically approved by the Qatar University and the Hamad Medical Corporation Institutional Review Boards. The results shall be disseminated in international conferences and peer-reviewed publications. TRIALS REGISTRATION NUMBER: NCT02648243; pre-results. PMID- 27864248 TI - The Challenge of Universal Eye Health in Latin America: distributive inequality of ophthalmologists in 14 countries. AB - BACKGROUND: No comprehensive study currently exists on the supply of ophthalmologists across Latin America. We explored sociogeographic inequalities in the availability and distribution of ophthalmologists across 14 Latin American countries. METHODS: The National Ophthalmologic Societies of Argentina, Bolivia, Brazil, Colombia, Costa Rica, Chile, the Dominican Republic, Ecuador, Guatemala, Mexico, Paraguay, Peru, Uruguay and Venezuela provided data on affiliated ophthalmologists by first-order subnational divisions in 2013. Human Development Index (HDI) estimates at the corresponding subnational division were used as equity stratifiers. Distributional inequality of ophthalmologists within each country was assessed by the health concentration index (HCI) and the index of dissimilarity (ID), along with the mean level of ophthalmologists per population. RESULTS: Across all countries studied, there were 5.2 ophthalmologists per 100 000 population on average (95% CI 5.0 to 5.4) in 2013, with a mean HCI of 0.26 (0.16 to 0.37) and a mean relative ID of 22.7% (20.9% to 24.7%). There was wide inequality in ophthalmologist availability between countries, ranging from 1.2 (1.1 to 1.4) in Ecuador to 8.6 (8.5 to 8.8) in Brazil. All countries had positive (ie, pro-rich) HCI values ranging from 0.68 (0.66 to 0.71) in Guatemala to 0.02 ( 0.11 to 0.14) in Venezuela. Correspondingly, redistributive potential to achieve equity was closest in Venezuela (ID: 1.5%) and farthest in Guatemala (ID: 60.3%). Benchmarked against regional averages, most countries had a lower availability of ophthalmologists and higher relative inequality. CONCLUSIONS: There is high inequality in the level and distribution of ophthalmologists between and within countries in Latin America, with a disproportionate number concentrated in more developed, socially advantaged areas. More equitable access to ophthalmologists could be achieved by implementing incentivised human resources redistribution programmes and by improving the social determinants of health in underserved areas. PMID- 27864249 TI - Positive predictive value of cardiovascular diagnoses in the Danish National Patient Registry: a validation study. AB - OBJECTIVE: The majority of cardiovascular diagnoses in the Danish National Patient Registry (DNPR) remain to be validated despite extensive use in epidemiological research. We therefore examined the positive predictive value (PPV) of cardiovascular diagnoses in the DNPR. DESIGN: Population-based validation study. SETTING: 1 university hospital and 2 regional hospitals in the Central Denmark Region, 2010-2012. PARTICIPANTS: For each cardiovascular diagnosis, up to 100 patients from participating hospitals were randomly sampled during the study period using the DNPR. MAIN OUTCOME MEASURE: Using medical record review as the reference standard, we examined the PPV for cardiovascular diagnoses in the DNPR, coded according to the International Classification of Diseases, 10th Revision. RESULTS: A total of 2153 medical records (97% of the total sample) were available for review. The PPVs ranged from 64% to 100%, with a mean PPV of 88%. The PPVs were >=90% for first-time myocardial infarction, stent thrombosis, stable angina pectoris, hypertrophic cardiomyopathy, arrhythmogenic right ventricular cardiomyopathy, takotsubo cardiomyopathy, arterial hypertension, atrial fibrillation or flutter, cardiac arrest, mitral valve regurgitation or stenosis, aortic valve regurgitation or stenosis, pericarditis, hypercholesterolaemia, aortic dissection, aortic aneurysm/dilation and arterial claudication. The PPVs were between 80% and 90% for recurrent myocardial infarction, first-time unstable angina pectoris, pulmonary hypertension, bradycardia, ventricular tachycardia/fibrillation, endocarditis, cardiac tumours, first-time venous thromboembolism and between 70% and 80% for first-time and recurrent admission due to heart failure, first-time dilated cardiomyopathy, restrictive cardiomyopathy and recurrent venous thromboembolism. The PPV for first-time myocarditis was 64%. The PPVs were consistent within age, sex, calendar year and hospital categories. CONCLUSIONS: The validity of cardiovascular diagnoses in the DNPR is overall high and sufficient for use in research since 2010. PMID- 27864250 TI - Reporting quality in abstracts of meta-analyses of depression screening tool accuracy: a review of systematic reviews and meta-analyses. AB - OBJECTIVE: Concerns have been raised regarding the quality and completeness of abstract reporting in evidence reviews, but this had not been evaluated in meta analyses of diagnostic accuracy. Our objective was to evaluate reporting quality and completeness in abstracts of systematic reviews with meta-analyses of depression screening tool accuracy, using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) for Abstracts tool. DESIGN: Cross sectional study. INCLUSION CRITERIA: We searched MEDLINE and PsycINFO from 1 January 2005 through 13 March 2016 for recent systematic reviews with meta analyses in any language that compared a depression screening tool to a diagnosis based on clinical or validated diagnostic interview. DATA EXTRACTION: Two reviewers independently assessed quality and completeness of abstract reporting using the PRISMA for Abstracts tool with appropriate adaptations made for studies of diagnostic test accuracy. Bivariate associations of number of PRISMA for Abstracts items complied with (1) journal abstract word limit and (2) A Measurement Tool to Assess Systematic Reviews (AMSTAR) scores of meta-analyses were also assessed. RESULTS: We identified 21 eligible meta-analyses. Only two of 21 included meta-analyses complied with at least half of adapted PRISMA for Abstracts items. The majority met criteria for reporting an appropriate title (95%), result interpretation (95%) and synthesis of results (76%). Meta-analyses less consistently reported databases searched (43%), associated search dates (33%) and strengths and limitations of evidence (19%). Most meta-analyses did not adequately report a clinically meaningful description of outcomes (14%), risk of bias (14%), included study characteristics (10%), study eligibility criteria (5%), registration information (5%), clear objectives (0%), report eligibility criteria (0%) or funding (0%). Overall meta-analyses quality scores were significantly associated with the number of PRISMA for Abstracts scores items reported adequately (r=0.45). CONCLUSIONS: Quality and completeness of reporting were found to be suboptimal. Journal editors should endorse PRISMA for Abstracts and allow for flexibility in abstract word counts to improve quality of abstracts. PMID- 27864251 TI - Post hoc evaluation of a common-sense intervention for asthma management in community pharmacy. AB - OBJECTIVES: The aim was to evaluate a common-sense, behavioural change intervention to implement clinical guidelines for asthma management in the community pharmacy setting. DESIGN: The components of the common-sense intervention were described in terms of categories and dimensions using the Intervention Taxonomy (ITAX) and Behaviour Change Techniques (BCTs) using the Behaviour Change Wheel (BCW), Capability, Opportunity and Motivation-Behaviour (COM-B) System and Behaviour Change Techniques Taxonomy (BCTTv1). The retrospective application of these existing tools facilitated evaluation of the mechanism, fidelity, logistics and rationale of the common-sense intervention. INTERVENTION: The initial intervention study was conducted in 336 community pharmacies in the metropolitan area of Perth, Western Australia. Small-group workshops were conducted in 25 pharmacies; 162 received academic detailing and 149 acted as controls. The intervention was designed to improve pharmacy compliance with guidelines for a non-prescription supply of asthma reliever medications. RESULTS: Retrospective application of ITAX identified mechanisms for the short-acting beta agonists intervention including improving knowledge, behavioural skills, problem-solving skills, motivation and self-efficacy. All the logistical elements were considered in the intervention design but the duration and intensity of the intervention was minimal. The intervention was delivered as intended (as a workshop) to 13.4% of participants indicating compromised fidelity and significant adaptation. Retrospective application of the BCW, COM-B system and BCTTv1 identified 9 different behaviour change techniques as the rationale for promoting guideline-based practice change. CONCLUSIONS: There was a sound rationale and clear mechanism for all the components of the intervention but issues related to logistics, adaptability and fidelity might have affected outcomes. Small group workshops could be a useful implementation strategy in community pharmacy, if logistical issues can be overcome and less adaptation occurs. Duration, intensity and reinforcement need consideration for successful wider implementation. Further qualitative evaluations, triangulation of research and evaluations across interventions should be used to provide a greater understanding of unresolved issues. PMID- 27864252 TI - Predictors of care home and hospital admissions and their costs for older people with Alzheimer's disease: findings from a large London case register. AB - OBJECTIVES: To examine links between clinical and other characteristics of people with Alzheimer's disease living in the community, likelihood of care home or hospital admission, and associated costs. DESIGN: Observational data extracted from clinical records using natural language processing and Hospital Episode Statistics. Statistical analyses examined effects of cognition, physical health, mental health, sociodemographic factors and living circumstances on risk of admission to care home or hospital over 6 months and associated costs, adjusting for repeated observations. SETTING: Catchment area for South London and Maudsley National Health Service Foundation Trust, provider for 1.2 million people in Southeast London. PARTICIPANTS: Every individual with diagnosis of Alzheimer's disease seen and treated by mental health services in the catchment area, with at least one rating of cognition, not resident in care home at time of assessment (n=3075). INTERVENTIONS: Usual treatment. MAIN OUTCOME MEASURES: Risk of admission to, and days spent in three settings during 6-month period following routine clinical assessment: care home, mental health inpatient care and general hospital inpatient care. RESULTS: Predictors of probability of care home or hospital admission and/or associated costs over 6 months include cognition, functional problems, agitation, depression, physical illness, previous hospitalisations, age, gender, ethnicity, living alone and having a partner. Patterns of association differed considerably by destination. CONCLUSIONS: Most people with dementia prefer to remain in their own homes, and funding bodies see this as cheaper than institutionalisation. Better treatment in the community that reduces health and social care needs of Alzheimer's patients would reduce admission rates. Living alone, poor living circumstances and functional problems all raise admission rates, and so major cuts in social care budgets increase the risk of high-cost admissions which older people do not want. Routinely collected data can be used to reveal local patterns of admission and costs. PMID- 27864253 TI - Macquarie Surgical Innovation Identification Tool (MSIIT): a study protocol for a usability and pilot test. AB - INTRODUCTION: Medicine relies on innovation to continually improve. However, innovation is potentially risky, and not all innovations are successful. Therefore, it is important to identify innovations prospectively and provide support, to make innovation as safe and effective as possible. The Macquarie Surgical Innovation Identification Tool (MSIIT) is a simple checklist designed as a practical tool for hospitals to identify planned surgical innovations. This project aims to test the usability and pilot the use of the MSIIT in a surgical setting. METHODS AND ANALYSIS: The project will run in two phases at two Australian hospitals, one public and one private. Phase I will involve interviews, focus groups and a survey of hospital administrators and surgical teams to assess the usability and system requirements for the use of the MSIIT. Current practice regarding surgical innovation within participating hospitals will be mapped, and the best implementation strategy for MSIIT completion will be established. Phase II will involve trialling the MSIIT for each surgery within the trial period by various surgical personnel. Follow-up interviews, focus groups and a survey will be conducted with trial participants to collect feedback on their experience of using the MSIIT during the trial period. Comparative data on rates of surgical innovation during the trial period will also be gathered from existing hospital systems and compared to the rates identified by the MSIIT. ETHICS AND DISSEMINATION: Ethical approval has been obtained. The results of this study will be presented to interested health services and other stakeholders, presented at conferences and published in a peer-reviewed MEDLINE-indexed journal. PMID- 27864254 TI - Physical activity and incident asthma in adults: the HUNT Study, Norway. AB - OBJECTIVE: We aimed to investigate the associations of physical activity and change in physical activity with incident asthma in a cohort of Norwegian adults. DESIGN: We conducted a prospective cohort study using data on self-reported physical activity from 3 waves of the Nord-Trondelag Health Study. Physical activity was reported at the first and second surveys (1985-1986 and 1995-1997). Physical activity was defined from the second survey as inactive or active and the active group was further defined as very low, low, moderate and high. Change in physical activity was defined from the first and second surveys. SETTING: A large population-based health survey in Norway. PARTICIPANTS: We followed 18 894 adults over 11 years who were free from asthma at baseline in 1995-1997. OUTCOME: Incident asthma was reported in the third survey (2006-2008). RESULTS: The cumulative incidence of asthma was 3.6% over the 11 years. The adjusted OR for incident asthma among active participants compared with inactive participants was 0.95 (95% CI 0.69 to 1.34). The adjusted OR for those who were active in the first or second survey versus those who were inactive in both surveys was 0.64 (95% CI 0.34 to 1.38); however, this association was strongly attenuated in sensitivity analysis (OR 0.93, 95% CI 0.38 to 3.09). CONCLUSIONS: We did not observe statistically significant associations of physical activity or change in physical activity with incident asthma in adults over the 11-year follow-up. PMID- 27864256 TI - UK must act to stem brain drain of scientists, MPs say. PMID- 27864257 TI - COPD diagnosis must improve, says report by Royal College of Physicians. PMID- 27864255 TI - Improving self-management of cancer risk factors, underscreening for cancer and depression among general practice patients: study protocol of a randomised controlled trial. AB - INTRODUCTION: General practitioners have a key role in reducing cancer risk factors, screening for cancer and managing depression. Given the time-limited nature of consultations, a new and more time-efficient approach is needed which addresses multiple health needs simultaneously, and encourages patient self management to address health risks. The aim of this cluster randomised controlled trial is to test the effectiveness of a patient feedback intervention in improving patient self-management of health needs related to smoking, risky alcohol consumption and underscreening for cancers at 1 month follow-up. METHODS AND ANALYSIS: Adult general practice patients will be invited to participate in a baseline survey to assess cancer risk factors, screening needs and depression. A total of 360 participants identified by the baseline survey as having at least one health need (a self-reported cancer risk factor, underscreening for cancer, or an elevated depression score) will be randomised to an intervention or control group. Participants in the intervention group will receive tailored printed feedback summarising their identified health needs and recommended self management actions to address these. All participants will be invited to complete a telephone interview 1 month following recruitment to assess self-management actions taken in relation to health needs identified in the baseline survey. Control group participants will receive tailored printed feedback on their identified health needs after their follow-up interview. A logistic regression model, with group allocation as the main predictor, will be used to assess the impact of the intervention on self-management actions. ETHICAL CONSIDERATIONS AND DISSEMINATION: Participants identified as being at risk of depression will be advised to speak with their doctor. Results will be disseminated via publication in peer-reviewed journals. The study has been approved by the University of Newcastle Human Research Ethics Committee. TRIAL REGISTRATION NUMBER: ACTRN12616001443482. PMID- 27864260 TI - Light availability affects sex lability in a gynodioecious plant. AB - PREMISE OF THE STUDY: Sex lability (i.e., gender diphasy) in plants is classically linked to the larger resource needs associated with the female sexual function (i.e., seed production) compared to the male function (i.e., pollen production). Sex lability in response to the environment is extensively documented in dioecious species, but has been largely overlooked in gynodioecious plants. METHODS: Here, we tested whether environmental conditions induce sex lability in the gynodioecious Geranium sylvaticum. We conducted a transplantation experiment in the field where plants with different sex expression were reciprocally transplanted between high light and low light habitats. We measured plants' reproductive output and sex expression over four years. KEY RESULTS: Our results show that sex expression was labile over the study period. The light level at the destination habitat had a significant effect on sexual expression and reproductive output, because plants decreased their reproductive output when transplanted to the low light habitat. Transplantation origin did not affect any parameter measured. CONCLUSIONS: This study shows that sex expression in Geranium sylvaticum is labile and related to light availability. Sexually labile plants did not produce more seeds or pollen, and thus, there was no apparent fitness gain in sexually labile individuals. Sex lability in gynodioecious plants may be more common than previously believed because detection of sex lability necessitates data on the same individuals over time, which is rare in sexually dimorphic herbaceous plants. PMID- 27864261 TI - Female fruit production depends on female flower production and crown size rather than male density in a continuous population of a tropical dioecious tree (Virola surinamensis). AB - PREMISE OF THE STUDY: Factors related to pollen and resource limitation were evaluated to predict female fruit production in a tropical dioecious tree. Pollen limitation via variation in the male density at local scales is expected to limit female reproduction success in dioecious plants. METHODOLOGY: We modeled the roles of local male density, female crown size, crown illumination, and female flower production on female fruit initiation and mature fruit production in a continuous population (62 ha plot) of a tropical dioecious tree (Virola surinamensis). In addition, we used microsatellites to describe the scale of effective pollen flow, the male effective population size, and the spatial genetic structure within/between progenies and males. KEY RESULTS: The local male density was not related to female fruit initiation or mature fruit production. Female floral production had a positive effect on fruit initiation. The female crown size was positively related to fruit maturation. Seeds from the same female and seeds from different but spatially proximal females were generally half siblings; however, proximal females showed greater variation. Proximal male female adult pairs were not significantly more genetically related than distant pairs. The probability of paternity was negatively affected by the distance between seeds and males; most effective pollen dispersal events (~85%) occurred from males located less than 150 m from females. The number of males siring progenies was greater than the number of males found at local scales. CONCLUSIONS: Female fecundity in this continuous population of Virola surinamensis is not limited by the availability of pollen from proximal males. Rather, resource allocation to floral production may ultimately determine female reproductive success. PMID- 27864262 TI - Interspecific reproductive barriers between sympatric populations of wild tomato species (Solanum section Lycopersicon). AB - PREMISE OF THE STUDY: Interspecific reproductive barriers (IRBs) often prevent hybridization between closely related species in sympatry. In the tomato clade (Solanum section Lycopersicon), interspecific interactions between natural sympatric populations have not been evaluated previously. In this study, we assessed IRBs between members of the tomato clade from nine sympatric sites in Peru. METHODS: Coflowering was assessed at sympatric sites in Peru. Using previously collected seeds from sympatric sites in Peru, we evaluated premating prezygotic (floral morphology), postmating prezygotic (pollen-tube growth), and postzygotic barriers (fruit and seed development) between sympatric species in common gardens. Pollen-tube growth and seed development were examined in reciprocal crosses between sympatric species. KEY RESULTS: We confirmed coflowering of sympatric species at five sites in Peru. We found three types of postmating prezygotic IRBs during pollen-pistil interactions: (1) unilateral pollen-tube rejection between pistils of self-incompatible species and pollen of self-compatible species; (2) potential conspecific pollen precedence in a cross between two self-incompatible species; and (3) failure of pollen tubes to target ovules. In addition, we found strong postzygotic IRBs that prevented normal seed development in 11 interspecific crosses, resulting in seed-like structures containing globular embryos and aborted endosperm and, in some cases, overgrown endothelium. Viable seed and F1 hybrid plants were recovered from three of 19 interspecific crosses. CONCLUSIONS: We have identified diverse prezygotic and postzygotic IRBs that would prevent hybridization between sympatric wild tomato species, but interspecific hybridization is possible in a few cases. PMID- 27864264 TI - Reproductive success through high pollinator visitation rates despite self incompatibility in an endangered wallflower. AB - PREMISE OF THE STUDY: Self incompatibility (SI) in rare plants presents a unique challenge-SI protects plants from inbreeding depression, but requires a sufficient number of mates and xenogamous pollination. Does SI persist in an endangered polyploid? Is pollinator visitation sufficient to ensure reproductive success? Is there evidence of inbreeding/outbreeding depression? We characterized the mating system, primary pollinators, pollen limitation, and inbreeding/outbreeding depression in Erysimum teretifolium to guide conservation efforts. METHODS: We compared seed production following self pollination and within- and between-population crosses. Pollen tubes were visualized after self pollinations and between-population pollinations. Pollen limitation was tested in the field. Pollinator observations were quantified using digital video. Inbreeding/outbreeding depression was assessed in progeny from self and outcross pollinations at early and later developmental stages. KEY RESULTS: Self pollination reduced seed set by 6.5* and quadrupled reproductive failure compared with outcross pollination. Pollen tubes of some self pollinations were arrested at the stigmatic surface. Seed-set data indicated strong SI, and fruit-set data suggested partial SI. Pollinator diversity and visitation rates were high, and there was no evidence of pollen limitation. Inbreeding depression (delta) was weak for early developmental stages and strong for later developmental stages, with no evidence of outbreeding depression. CONCLUSIONS: The rare hexaploid E. teretifolium is largely self incompatible and suffers from late-acting inbreeding depression. Reproductive success in natural populations was accomplished through high pollinator visitation rates consistent with a lack of pollen limitation. Future reproductive health for this species will require large population sizes with sufficient mates and a robust pollinator community. PMID- 27864265 TI - Systems genetics of plant adaptation to environmental stresses. PMID- 27864266 TI - Unusual twig "twistiness" in pawpaw (Asimina triloba) provides biomechanical protection for distal foliage in high winds. AB - PREMISE OF STUDY: Deciduous woody species invest considerable resources in the growth of new foliage and distal stems. This new growth is at risk for mechanical damage from high winds and storms. Pawpaw has large leaves borne distally on thin twigs. Following a storm, pawpaw branches sometimes exhibit a persistent "flipped" orientation, slowly returning upright over 24 h. We investigated biomechanical properties of pawpaw twigs, comparing them to co-occurring species with similarly high leaf areas and loads, which do not exhibit this "flipping". Our goal was to determine biomechanical and structural properties in these species and how variation in form might relate to functional differences. METHODS: We measured flexural stiffness, torsional stiffness, and viscoelastic creep in pawpaw and co-occurring trees Liriodendron tulipifera and Carya cordiformis. We also recorded twig/foliage reconfiguration in high winds. We stained thin cross sections of distal twigs and recorded images using fluorescent light microscopy. KEY RESULTS: Flexural and torsional stiffness increased with twig radius in pawpaw and tulip tree, although torsional stiffness increased more slowly in pawpaw. Pawpaw had a high ratio of flexural to torsional stiffness (EI/GJ) across a range of twig radii and significant viscoelastic creep compared with the other species. CONCLUSIONS: Biomechanical data showed that pawpaw twigs were "twistier" than the comparison species, which were shown previously to alleviate drag-induced damage by reorienting petioles and leaves. Pawpaw has an unusual strategy of low torsional stiffness in twigs, allowing for reorientation of the entire distal appendage, likely minimizing drag-induced damage in storms. PMID- 27864267 TI - Clinical behaviour of spinocerebellar ataxia type 12 and intermediate length abnormal CAG repeats in PPP2R2B. AB - Spinocerebellar ataxia type 12 (SCA12) is a rare neurodegenerative disorder caused by CAG repeat expansion in the PPP2R2B gene. Previously, the causal length of CAG repeats ascribed to SCA12 was more than 51; however, a few reports have also described unusual occurrence of CAG repeat length 36-51 repeats among patients of different geographical population, with atypical clinical association. From our systematic search for SCA12 in a genetic screening programme, we have identified a large number of SCA12 cases. In this study, we specifically describe the clinical behaviour of 18 patients who harbour CAG repeats in the range of 43-50 and compare their clinical behaviour with patients carrying typical pathogenic threshold length of 51 CAG repeats. Unsurprisingly, we observed that the clinical characteristics were similar to those of typical SCA12 phenotype, with large variability in the age at onset. Radiologically, we observed a variable degree of cerebro-cerebellar degeneration along with white matter changes that do not correlate with the disease severity. We define a new pathogenic threshold of CAG-43 to be pathogenic for SCA12 diagnosis and also describe the clinical profiles of two biallelic CAG expansion carriers. We also propose that SCA12 might not be that restricted in terms of occurrence in other geographical or ethnic populations, as it was previously presumed to be. PMID- 27864269 TI - Reply: In vitro effects of a human monoclonal antibody against the N-methyl-d aspartate receptor. PMID- 27864271 TI - Fears raised over plan to scale back GP and A&E care in east London. PMID- 27864268 TI - De novo GABRG2 mutations associated with epileptic encephalopathies. AB - Epileptic encephalopathies are a devastating group of severe childhood onset epilepsies with medication-resistant seizures and poor developmental outcomes. Many epileptic encephalopathies have a genetic aetiology and are often associated with de novo mutations in genes mediating synaptic transmission, including GABAA receptor subunit genes. Recently, we performed next generation sequencing on patients with a spectrum of epileptic encephalopathy phenotypes, and we identified five novel (A106T, I107T, P282S, R323W and F343L) and one known (R323Q) de novo GABRG2 pathogenic variants (mutations) in eight patients. To gain insight into the molecular basis for how these mutations contribute to epileptic encephalopathies, we compared the effects of the mutations on the properties of recombinant alpha1beta2gamma2L GABAA receptors transiently expressed in HEK293T cells. Using a combination of patch clamp recording, immunoblotting, confocal imaging and structural modelling, we characterized the effects of these GABRG2 mutations on GABAA receptor biogenesis and channel function. Compared with wild type alpha1beta2gamma2L receptors, GABAA receptors containing a mutant gamma2 subunit had reduced cell surface expression with altered subunit stoichiometry or decreased GABA-evoked whole-cell current amplitudes, but with different levels of reduction. While a causal role of these mutations cannot be established directly from these results, the functional analysis together with the genetic information suggests that these GABRG2 variants may be major contributors to the epileptic encephalopathy phenotypes. Our study further expands the GABRG2 phenotypic spectrum and supports growing evidence that defects in GABAergic neurotransmission participate in the pathogenesis of genetic epilepsies including epileptic encephalopathies. PMID- 27864270 TI - In vitro effects of a human monoclonal antibody against the N-methyl-d-aspartate receptor. PMID- 27864273 TI - Doctors talking to friends and families. PMID- 27864276 TI - Death song. PMID- 27864277 TI - Molecular characterization of GhPLDalpha1 and its relationship with secondary cell wall thickening in cotton fibers. AB - Phospholipase D (PLD) hydrolyzes phospholipids to generate a free polar head group (e.g., choline) and a second messenger phosphatidic acid and plays diverse roles in plant growth and development, including seed germination, leaf senescence, root hair growth, and hypocotyl elongation. However, the function of PLD in cotton remains largely unexplored. Here, the comprehensive molecular characterization of GhPLDalpha1 was explored with its role in upland cotton (Gossypium hirsutum) fiber development. The GhPLDalpha1 gene was cloned successfully, and a sequence alignment showed that GhPLDalpha1 contains one C2 domain and two HKD (HxKxxxxD) domains. Quantitative reverse transcriptase polymerase chain reaction measured the expression of GhPLDalpha1 in various cotton tissues with the highest level in fibers at 20 days post anthesis (d.p.a.). Fluorescent microscopy and immunoblotting in tobacco epidermis showed the GhPLDalpha1 distribution in both cell membranes and the cytoplasm. An activity assay indicated changes in PLDalpha enzyme activity in developing fiber cells with a peak level at 20 d.p.a., coinciding with the onset of cellulose accumulation and the increased H2O2 content during fiber development. Furthermore, the inhibition of PLDalpha activity obviously decreased the cellulose and H2O2 contents of in vitro-cultured cotton fibers. These results provide important evidence explaining the relationship of GhPLDalpha1 with secondary cell wall thickening in cotton fibers in that GhPLDalpha1 may correlate with the increased H2O2 content at the onset of secondary cell wall thickening, ultimately promoting cellulose biosynthesis. PMID- 27864279 TI - Nutrition deficiency promotes apoptosis of cartilage endplate stem cells in a caspase-independent manner partially through upregulating BNIP3. AB - Nutrition deficiency is reported to induce apoptosis of chondrocytes and degeneration of cartilage endplate (CEP) in rabbit. Cartilage endplate stem cells (CESCs) are important for the integrity of structure and function of CEP. Bcl 2/adenovirus E1B 19-kDa-interacting protein 3 (BNIP3) has been reported to regulate apoptosis, autophagy, and cytoprotection. In this study, we aimed to determine whether nutrition deficiency induces apoptosis of CESCs, and whether or not the BNIP3-related pathway is activated in CESCs during nutrition deficiency. CESCs isolated from degenerated human CEP were cultured under normal or nutrition deficient condition. Then, apoptosis was analyzed by flow cytometry. The expression and intracellular localization of BNIP3 were detected by quantitative real-time polymerase chain reaction, western blot analysis, and immunofluorescence assay, respectively. Mitochondrial membrane potential (MMP) and caspase-3 activity were measured by JC-1 staining and caspase-3 activity assay. Our results showed that nutrition deficiency promotes apoptosis and BNIP3 expression in CESCs. Notably, knockdown of BNIP3 could partially decrease nutrition deficiency-induced apoptosis of CESCs. In addition, nutrition deficiency could also induce upregulation of BNIP3, resulting in mitochondrial translocation of BNIP3 and loss of MMP in CESCs in a time-dependent manner. However, nutrition deficiency showed no effects on caspase-3 activity in CESCs. In summary, nutrition deficiency may promote CESC apoptosis partially through upregulating BNIP3, which might lead to activation of the BNIP3-related pathway and apoptosis of CESCs in a caspase-independent manner. PMID- 27864278 TI - Integrative analysis for the role of long non-coding RNAs in radiation-induced mouse thymocytes responses. AB - Long non-coding RNAs (lncRNAs) are a critical class of regulatory molecules involved in a variety of biological functions; however, their role in immune cells response to radiation is unknown. Therefore, in this study we used integrative analysis to determine the expression profile of lncRNAs in mouse thymocytes and the potential functions of lncRNAs in response to radiation. Microarray data profiling indicated that 53 lncRNAs (36 up-regulated and 17 down regulated) and 74 coding genes (39 up-regulated and 35 down-regulated) were highly differentially expressed in the high dose radiation (HDR) group compared with the control group. In the low dose radiation (LDR) group, only one lncRNA was down-regulated. Moreover, as compared with the control group, 109 lncRNA pathways in the HDR group and 14 lncRNA pathways in the LDR group were differentially expressed. Our data revealed the expression pattern of lncRNAs in mouse thymocytes and predicted their potential functions in response to LDR and HDR. In the HDR group, GO analysis showed that the role of lncRNAs in damage responses of thymocytes to HDR mainly involved chromatin organization and cell death. These findings might improve our understanding of the role of lncRNAs in LDR- and HDR-induced immune cells and provide a new experimental basis for further investigation. PMID- 27864281 TI - Lipoprotein lipase and phospholipid transfer protein overexpression in human glioma cells and their effect on cell growth, apoptosis, and migration. AB - Glioma is one of the common tumors in brain. The expression level of lipoprotein lipase (LPL) or phospholipid transfer protein (PLTP) may influence glioma progression and its relationship with clinical and pathological parameters. The clinical significance of LPL or PLTP expression in glioma has not been established. In the present study, the LPL and PLTP levels in glioma tumors were investigated and the relationship between the LPL and PLTP level and the grade of malignant glioma was analyzed, with the aim to provide new ideas for the diagnosis and treatment of gliomas in clinical and basic research settings. LPL and PLTP mRNA and protein levels were significantly higher in Grade IV glioma than those in the lower grade tumors (P < 0.01). Double immunofluorescent staining showed that the levels of LPL and PLTP were significantly associated with the pathological grade of glioma (P = 0.005). The levels of LPL and PLTP were increased with the shortened survival of glioma patients (P < 0.001). Knockdown of LPL and PLTP led to decreased cell growth and migration but increased apoptosis in vitro Additionally, cell cycle-related cyclins and their partners were found to be down-regulated while cyclin-dependent kinase inhibitors p16, p21, and Rb were up-regulated. Furthermore, knockdown of LPL or PLTP resulted in the up-regulation of pro-apoptotic molecules and the down-regulation of anti-apoptotic molecules. Ablation of LPL or PLTP in U251 cells resulted in the down-regulation of epithelial mesenchymal transition markers and invasion molecules matrix metalloproteinases. LPL and PLTP appear to be novel glioma associated proteins and play a role in the progression of human glioma. PMID- 27864280 TI - Edaravone injection reverses learning and memory deficits in a rat model of vascular dementia. AB - Edaravone is a novel free radical scavenger that exerts neuroprotective effects by inhibiting endothelial injury and by ameliorating neuronal damage in brain ischemia. Recently, it was reported that edaravone could alleviate the pathology and cognitive deficits of Alzheimer's disease patients. However, its relevance to vascular dementia (VaD) is not clear. In this study, we partially occluded the bilateral carotid arteries of rats surgically to induce chronic cerebral hypoperfusion (CCH), a well-known rat model of VaD. Water maze and step-down inhibitory test were used to evaluate the memory deficit. The activities of superoxide dismutase (SOD) and lactate dehydrogenase (LDH), the content of malondialdehyde (MDA) and total reactive oxygen species were measured to evaluate the oxidative stress level. Western blot analysis was used to evaluate the synaptic protein expression. It was found that treatment with edaravone for a 5 week period was able to reverse both spatial and fear-memory deficits in rats with CCH. Edaravone significantly reduced the level of oxidative stress in the brains of rats with CCH by increasing SOD activity and decreasing the content of MDA, LDH, and total reactive oxygen species. Furthermore, edaravone treatment also restored the levels of multiple synaptic proteins in the hippocampi of rats with CCH. Our data provide direct evidence supporting the neuroprotective effects of edaravone in VaD. We propose that the alleviation of oxidative stress and restoration of synaptic proteins play important roles in neuroprotection. PMID- 27864282 TI - Bxb1 integrase serves as a highly efficient DNA recombinase in rapid metabolite pathway assembly. AB - Phage-encoded serine integrases are widely used in genetic engineering. They also have the potential to serve as efficient DNA assemblers, demonstrated by the method of site-specific recombination-based tandem assembly (SSRTA) that can combine biological parts into devices, pathways, and systems. Here, four serine integrases, phiBT1, TG1, phiRv1, and Bxb1, were investigated to ascertain their in vitro DNA assembly activities. Bxb1 integrase displayed the highest efficiency to obtain final products. Thus, we conclude that Bxb1 integrase is an excellent choice for DNA assembly in vitro Using this enzyme and its recognition sites, BioBrick standards were designed that are compatible with the SSRTA method for module addition. A rapid and efficient procedure was developed for the assembly of a multigene metabolic pathway in one step, directly from non-cutting plasmids containing the gene fragments. This technique is easy and convenient, and would be of interest to the synthetic biology community. PMID- 27864283 TI - Tumor necrosis factor-alpha: a key contributor to intervertebral disc degeneration. AB - Intervertebral disc (IVD) degeneration (IDD) is the most common cause leading to low back pain (LBP), which is a highly prevalent, costly, and crippling condition worldwide. Current treatments for IDD are limited to treat the symptoms and do not target the pathophysiology. Tumor necrosis factor-alpha (TNF-alpha) is one of the most potent pro-inflammatory cytokines and signals through its receptors TNFR1 and TNFR2. TNF-alpha is highly expressed in degenerative IVD tissues, and it is deeply involved in multiple pathological processes of disc degeneration, including matrix destruction, inflammatory responses, apoptosis, autophagy, and cell proliferation. Importantly, anti-TNF-alpha therapy has shown promise for mitigating disc degeneration and relieving LBP. In this review, following a brief description of TNF-alpha signal transduction, we mainly focus on the expression pattern and roles of TNF-alpha in IDD, and summarize the emerging progress regarding its inhibition as a promising biological therapeutic approach to disc degeneration and associated LBP. A better understanding will help to develop novel TNF-alpha-centered therapeutic interventions for degenerative disc disease. PMID- 27864285 TI - IL-23 secreted by bronchial epithelial cells contributes to allergic sensitization in asthma model: role of IL-23 secreted by bronchial epithelial cells. AB - IL-23 has been postulated to be a critical mediator contributing to various inflammatory diseases. Dermatophagoides pteronyssinus (Der p) is one of the most common inhalant allergens. However, the role of IL-23 in Der p-induced mouse asthma model is not well understood, particularly with regard to the development of allergic sensitization in the airways. The objective of this study was to evaluate roles of IL-23 in Der p sensitization and asthma development. BALB/c mice were repeatedly administered Der p intranasally to develop Der p allergic sensitization and asthma. After Der p local administration, changes in IL-23 expression were examined in lung tissues and primary epithelial cells. Anti-IL 23p19 antibody was given during the Der p sensitization period, and its effects were examined. Effects of anti-IL-23p19 antibody at bronchial epithelial levels were also examined in vitro. The expression of IL-23 at bronchial epithelial layers was increased after Der p local administration in mouse. In Der p-induced mouse models, anti-IL-23p19 antibody treatment during allergen sensitization significantly diminished Der p allergic sensitization and several features of allergic asthma including the production of Th2 cytokines and the population of type 2 innate lymphoid cells in lungs. The activation of dendritic cells in lung draining lymph nodes was also reduced by anti-IL-23 treatment. In murine lung alveolar type II-like epithelial cell line (MLE-12) cells, IL-23 blockade prevented cytokine responses to Der p stimulation, such as IL-1alpha, granulocyte macrophage colony-stimulating factor (GM-CSF), IL-33, and also bone marrow derived dendritic cell activation. In conclusion, IL-23 is another important bronchial epithelial cell-driven cytokine which may contribute to the development of house dust mite allergic sensitization and asthma. PMID- 27864284 TI - Region-specific role for Pten in maintenance of epithelial phenotype and integrity. AB - Previous studies have demonstrated resistance to naphthalene-induced injury in proximal airways of mice with lung epithelial-specific deletion of the tumor suppressor gene Pten, attributed to increased proliferation of airway progenitors. We tested effects of Pten loss following bleomycin injury, a model typically used to study distal lung epithelial injury, in conditional PtenSFTPC cre knockout mice. Pten-deficient airway epithelium exhibited marked hyperplasia, particularly in small bronchioles and at bronchoalveolar duct junctions, with reduced E-cadherin and beta-catenin expression between cells toward the luminal aspect of the hyperplastic epithelium. Bronchiolar epithelial and alveolar epithelial type II (AT2) cells in PtenSFTPC-cre mice showed decreased expression of epithelial markers and increased expression of mesenchymal markers, suggesting at least partial epithelial-mesenchymal transition at baseline. Surprisingly, and in contrast to previous studies, mutant mice were exquisitely sensitive to bleomycin, manifesting rapid weight loss, respiratory distress, increased early mortality (by day 5), and reduced dynamic lung compliance. This was accompanied by sloughing of the hyperplastic airway epithelium with occlusion of small bronchioles by cellular debris, without evidence of increased parenchymal lung injury. Increased airway epithelial cell apoptosis due to loss of antioxidant defenses, reflected by decreased expression of superoxide dismutase 3, in combination with deficient intercellular adhesion, likely predisposed to airway sloughing in knockout mice. These findings demonstrate an important role for Pten in maintenance of airway epithelial phenotype integrity and indicate that responses to Pten deletion in respiratory epithelium following acute lung injury are highly context-dependent and region-specific. PMID- 27864287 TI - Double-hit mouse model of cigarette smoke priming for acute lung injury. AB - Epidemiological studies indicate that cigarette smoking (CS) increases the risk and severity of acute lung injury (ALI)/acute respiratory distress syndrome (ARDS). The mechanism is not understood, at least in part because of lack of animal models that reproduce the key features of the CS priming process. In this study, using two strains of mice, we characterized a double-hit mouse model of ALI induced by CS priming of injury caused by lipopolysaccharide (LPS). C57BL/6 and AKR mice were preexposed to CS briefly (3 h) or subacutely (3 wk) before intratracheal instillation of LPS and ALI was assessed 18 h after LPS administration by measuring lung static compliance, lung edema, vascular permeability, inflammation, and alveolar apoptosis. We found that as little as 3 h of exposure to CS enhanced LPS-induced ALI in both strains of mice. Similar exacerbating effects were observed after 3 wk of preexposure to CS. However, there was a strain difference in susceptibility to CS priming for ALI, with a greater effect in AKR mice. The key features we observed suggest that 3 wk of CS preexposure of AKR mice is a reproducible, clinically relevant animal model that is useful for studying mechanisms and treatment of CS priming for a second-hit induced ALI. Our data also support the concept that increased susceptibility to ALI/ARDS is an important adverse health consequence of CS exposure that needs to be taken into consideration when treating critically ill individuals. PMID- 27864288 TI - The role of nuclear factor-erythroid 2 related factor 2 (Nrf-2) in the protection against lung injury. AB - Nuclear factor-erythroid 2 related factor 2 (Nrf2) is a ubiquitous master transcription factor that upregulates antioxidant response elements (AREs) mediated expression of antioxidant enzyme and cytoprotective proteins. Activation of Nrf2 has been shown to be protective against lung injury. In the lung, diverse stimuli including environmental oxidants, medicinal agents, and pathogens can activate Nrf2. Nrf2 translocates to the nucleus and binds to an ARE. Through transcriptional induction of ARE-bearing genes encoding antioxidant-detoxifying proteins, Nrf2 induces cellular rescue pathways against oxidative pulmonary injury, abnormal inflammatory and immune responses, and apoptosis. The Nrf2 antioxidant pathway has been shown to be important in the protection against various lung injuries including acute lung injury/acute respiratory distress syndrome and bronchopulmonary dysplasia, chronic obstructive pulmonary disease, idiopathic pulmonary fibrosis, asthma, and allergy and was widely examined for new therapeutic targets. The present review explores the protective role of Nrf-2 against lung injury and the therapeutic potential in targeting Nrf-2. PMID- 27864286 TI - Transforming growth factor-beta plays divergent roles in modulating vascular remodeling, inflammation, and pulmonary fibrosis in a murine model of scleroderma. AB - The efficacy and feasibility of targeting transforming growth factor-beta (TGFbeta) in pulmonary fibrosis and lung vascular remodeling in systemic sclerosis (SSc) have not been well elucidated. In this study we analyzed how blocking TGFbeta signaling affects pulmonary abnormalities in Fos-related antigen 2 (Fra-2) transgenic (Tg) mice, a murine model that manifests three important lung pathological features of SSc: fibrosis, inflammation, and vascular remodeling. To interrupt TGFbeta signaling in the Fra-2 Tg mice, we used a pan TGFbeta-blocking antibody, 1D11, and Tg mice in which TGFbeta receptor type 2 (Tgfbr2) is deleted from smooth muscle cells and myofibroblasts (alpha-SMA CreER;Tgfbr2flox/flox). Global inhibition of TGFbeta by 1D11 did not ameliorate lung fibrosis histologically or biochemically, whereas it resulted in a significant increase in the number of immune cells infiltrating the lungs. In contrast, 1D11 treatment ameliorated the severity of pulmonary vascular remodeling in Fra-2 Tg mice. Similarly, genetic deletion of Tgfbr2 from smooth muscle cells resulted in improvement of pulmonary vascular remodeling in the Fra 2 Tg mice, as well as a decrease in the number of Ki67-positive vascular smooth muscle cells, suggesting that TGFbeta signaling contributes to development of pulmonary vascular remodeling by promoting the proliferation of vascular smooth muscle cells. Deletion of Tgfbr2 from alpha-smooth muscle actin-expressing cells had no effect on fibrosis or inflammation in this model. These results suggest that efforts to target TGFbeta in SSc will likely require more precision than simply global inhibition of TGFbeta function. PMID- 27864289 TI - Immunotherapy for arterial ischaemic stroke in childhood: a systematic review. AB - BACKGROUND: There is little evidence about either prevention or treatment of childhood arterial ischaemic stroke (AIS). However, drugs that regulate the immune and inflammatory response could theoretically prevent occurrence or recurrence of AIS. Additionally, as an acute treatment, they may limit the neurological damage caused by AIS. Here, we systematically review the evidence on the use of immunotherapy in childhood AIS. DESIGN: A systematic review of publications in databases Embase and Medline from inception. All types of evidence were included from trials, cohorts, case-control and cross-sectional studies and case reports. RESULTS: 34 reports were included: 32 observational studies and 2 trials. Immunotherapy was used in two key patient groups: arteriopathy and acute infection. The majority were cases of varicella and primary angiitis of the central nervous system. All three cohorts and 80% of the case studies were treated with steroids. Recurrence rates were low. Analytical studies weakly associated steroids with lower odds of new stroke and neurological deficits, and better cognitive outcomes in the context of Moyamoya disease and tuberculosis. CONCLUSIONS: Immunotherapies are used in children with AIS, mainly as steroids for children with arteriopathy. However, there is currently little robust evidence to either encourage or discourage this practice. There is weak evidence consistent with the hypothesis that in certain children at risk, steroids may both reduce the risk of occurrent/recurrent stroke and enhance neurological outcomes. As the potential benefit is still uncertain, this indicates that a trial of steroids in childhood AIS may be justified. PMID- 27864290 TI - Sleep is an important factor when considering rugby union player load. PMID- 27864291 TI - Ranald Philip Clayton Handfield-Jones. PMID- 27864292 TI - Clinical efficacy of fecal occult blood test and colonoscopy for dasatinib induced hemorrhagic colitis in CML patients. PMID- 27864293 TI - Expressions of the CagA protein and CagA-signaling molecules predict Helicobacter pylori dependence of early-stage gastric DLBCL. AB - We previously reported that early-stage gastric diffuse large B-cell lymphomas (DLBCLs), including DLBCLs with mucosa-associated lymphoid tissue (DLBCL[MALT]) and without ("pure" DLBCL) the features of MALT lymphomas, can achieve long-term complete remission after frontline Helicobacter pylori (HP) eradication (HPE). We recently reported that expression of cytotoxin-associated gene A (CagA) and CagA signaling molecules (phospho-Src homology-2 domain-containing phosphatase [p SHP2] and phospho-extracellular signal-regulated kinase [p-ERK]) is associated with HP dependence of gastric MALT lymphoma. However, the significance of CagA and CagA-signaling molecules in gastric DLBCL remains unexplored. The association between expression of CagA, p-SHP-2, and p-ERK in malignant B cells and tumor response to HPE was evaluated in 63 patients with stage IE/IIE1 HP-positive gastric DLBCL who received HPE as frontline treatment. We detected CagA expression in 20 of 42 DLBCL (MALT) cases (47.6%) and in 13 of 21 "pure" DLBCL cases (61.9%). CagA expression was higher in HP-dependent tumors than in HP independent tumors (74.3% [26 of 35] vs 25.0% [7 of 28]). Patients with CagA expression responded to HPE quicker than those without expression (median time to complete remission, 4.0 months vs 5.0 months). The expression of CagA was closely associated with p-SHP-2 and p-ERK expression. Combined CagA, p-SHP-2, and p-ERK expression showed an increased positive predictive value (81.8% vs 75.9%) and an increased specificity (84.0% vs 75.0%) for HP dependence compared with CagA expression alone. Our results indicated that CagA and its signaling molecules can be detected in the malignant B cells of gastric DLBCL, and the expression of these molecules is clinically and biologically associated with HP dependence. PMID- 27864297 TI - Expression of biologically active murine interleukin-18 in Lactococcus lactis. AB - The food-grade bacterium Lactococcus lactis is increasingly used for heterologous protein expression in therapeutic and industrial applications. The ability of L. lactis to secrete biologically active cytokines may be used for the generation of therapeutic cytokines. Interleukin (IL)-18 enhances the immune response, especially on mucosal surfaces, emphasizing its therapeutic potential. However, it is produced as an inactive precursor and has to be enzymatically cleaved for maturation. We genetically manipulated L. lactis to secrete murine IL-18. The mature murine IL-18 gene was inserted downstream of a nisin promoter in pNZ8149 plasmid and the construct was used to transform L. lactis NZ3900. The transformants were selected on Elliker agar and confirmed by restriction enzyme digestion and sequencing. The expression and secretion of IL-18 protein was verified by SDS-PAGE, western blotting and ELISA. The biological activity of recombinant IL-18 was determined by its ability to induce interferon (IFN)-gamma production in L. lactis co-cultured with murine splenic T cells. The amounts of IL-18 in bacterial lysates and supernatants were 3-4 MUg mL-1 and 0.6-0.7 ng mL 1, respectively. The successfully generated L. lactis strain that expressed biologically active murine IL-18 can be used to evaluate the possible therapeutic effects of IL-18 on mucosal surfaces. PMID- 27864294 TI - B-cell receptor-driven MALT1 activity regulates MYC signaling in mantle cell lymphoma. AB - Mantle cell lymphoma (MCL) is a mature B-cell lymphoma characterized by poor clinical outcome. Recent studies revealed the importance of B-cell receptor (BCR) signaling in maintaining MCL survival. However, it remains unclear which role MALT1, an essential component of the CARD11-BCL10-MALT1 complex that links BCR signaling to the NF-kappaB pathway, plays in the biology of MCL. Here we show that a subset of MCLs is addicted to MALT1, as its inhibition by either RNA or pharmacologic interference induced cytotoxicity both in vitro and in vivo. Gene expression profiling following MALT1 inhibition demonstrated that MALT1 controls an MYC-driven gene expression network predominantly through increasing MYC protein stability. Thus, our analyses identify a previously unappreciated regulatory mechanism of MYC expression. Investigating primary mouse splenocytes, we could demonstrate that MALT1-induced MYC regulation is not restricted to MCL, but represents a common mechanism. MYC itself is pivotal for MCL survival because its downregulation and pharmacologic inhibition induced cytotoxicity in all MCL models. Collectively, these results provide a strong mechanistic rationale to investigate the therapeutic efficacy of targeting the MALT1-MYC axis in MCL patients. PMID- 27864295 TI - Endothelial cells produce bone morphogenetic protein 6 required for iron homeostasis in mice. AB - Bone morphogenetic protein 6 (BMP6) signaling in hepatocytes is a central transcriptional regulator of the iron hormone hepcidin that controls systemic iron balance. How iron levels are sensed to regulate hepcidin production is not known, but local induction of liver BMP6 expression by iron is proposed to have a critical role. To identify the cellular source of BMP6 responsible for hepcidin and iron homeostasis regulation, we generated mice with tissue-specific ablation of Bmp6 in different liver cell populations and evaluated their iron phenotype. Efficiency and specificity of Cre-mediated recombination was assessed by using Cre-reporter mice, polymerase chain reaction of genomic DNA, and quantitation of Bmp6 messenger RNA expression from isolated liver cell populations. Localization of the BMP co-receptor hemojuvelin was visualized by immunofluorescence microscopy. Analysis of the Bmp6 conditional knockout mice revealed that liver endothelial cells (ECs) expressed Bmp6, whereas resident liver macrophages (Kupffer cells) and hepatocytes did not. Loss of Bmp6 in ECs recapitulated the hemochromatosis phenotype of global Bmp6 knockout mice, whereas hepatocyte and macrophage Bmp6 conditional knockout mice exhibited no iron phenotype. Hemojuvelin was localized on the hepatocyte sinusoidal membrane immediately adjacent to Bmp6-producing sinusoidal ECs. Together, these data demonstrate that ECs are the predominant source of BMP6 in the liver and support a model in which EC BMP6 has paracrine actions on hepatocyte hemojuvelin to regulate hepcidin transcription and maintain systemic iron homeostasis. PMID- 27864298 TI - N-(3-oxo-hexanoyl)-homoserine lactone has a critical contribution to the quorum sensing-dependent regulation in phytopathogen Pseudomonas syringae pv. tabaci 11528. AB - The phytopathogen Pseudomonas syringae pv. tabaci 11528 (P. syringae 11528), causing wild-fire disease in soybean and tobacco plants, processes PsyI-PsyR quorum-sensing (QS) system, in which PsyI is the N-(3-oxo-hexanoyl)-homoserine lactone (3OC6-HSL) synthase. In comparison to P. syringae 11528 AHL-deficient mutant, 845 3OC6-HSL-dependent genes were identified using RNA sequencing (RNA seq) in the AHL-deficient mutant grown with exogenous 3OC6-HSL in the transition from the exponential to the stationary phase, and many of them were associated with virulence, which were negatively regulated. The gene ontology and KEGG pathway enrichment analysis of those genes presented that the most pronounced regulation was involved in bacterial motility. Moreover, similar expression profiles of genes during growth phases were observed in both the wild type and the AHL-deficient mutant with exogenous 3OC6-HSL compared with the AHL-deficient mutant. These findings imply that 3OC6-HSL has a critical contribution to the QS dependent regulation on gene expression, and 3OC6-HSL-dependent regulation may play a significant role in plant infection. PMID- 27864299 TI - Challenges in the use of immunotherapy in metastatic melanoma. AB - A 65-year-old man with metastatic melanoma was started on immunotherapy, switched to alternative targeted therapy and developed disseminated intravascular coagulation. This case underscores the complexity of interpreting and managing side effects of novel therapies in cancer care, identification of progression versus pseudoprogression and challenges in sequencing treatments in metastatic melanoma. PMID- 27864296 TI - A mechanistic investigation of thrombotic microangiopathy associated with IV abuse of Opana ER. AB - Since 2012, a number of case reports have described the occurrence of thrombotic microangiopathy (TMA) following IV abuse of extended-release oxymorphone hydrochloride (Opana ER), an oral opioid for long-term treatment of chronic pain. Here, we present unique clinical features of 3 patients and investigate IV exposure to the tablet's inert ingredients as a possible causal mechanism. Guinea pigs were used as an animal model to understand the hematopathologic and nephrotoxic potential of the inert ingredient mixture (termed here as PEO+) which primarily contains high-molecular-weight polyethylene oxide (HMW PEO). Microangiopathic hemolytic anemia, thrombocytopenia, and acute kidney injury were found in a group of 3 patients following recent injection of adulterated extended release oxymorphone tablets. Varying degrees of cardiac involvement and retinal ischemia occurred, with TMA evident on kidney biopsy. A TMA-like state also developed in guinea pigs IV administered PEO+. Acute tubular and glomerular renal injury was accompanied by nonheme iron deposition and hypoxia-inducible factor 1alpha upregulation in the renal cortex. Similar outcomes were observed following dosing with HMW PEO alone. IV exposure to the inert ingredients in reformulated extended-release oxymorphone can elicit TMA. Although prescription opioid abuse shows geographic variation, all physicians should be highly inquisitive of IV drug abuse when presented with cases of TMA. PMID- 27864301 TI - Bacteraemia due to Parvimonas micra, a commensal pathogen, in a patient with an oesophageal tumour. AB - A man aged 53 years was admitted to our hospital due to general malaise, fever and chills for the past 24 hours. He had a history of chronic alcoholic liver disease. The blood tests showed leucocytosis with neutrophilia, lactic acidosis and acute-phase reactants. The blood cultures were positive for Parvimonas micra, an anaerobic pathogen which is part of the flora of the oral cavity. There was no evidence of abscess formation in either the examination or the imaging tests, but in the work-up that followed, a gastroscopy showed a stenotic oesophageal mass that turned out to be an invasive squamous cell carcinoma. PMID- 27864300 TI - Oral and gastrointestinal symptomatic metastases as initial presentation of lung cancer. AB - Metastasis to the tongue, duodenum or pancreas from primary lung cancer is uncommon. Primary lung cancer presenting with symptoms related to metastases at these sites, at initial presentation is extremely rare. We report a 45-year-old man with disseminated lung malignancy who presented with dyspepsia, melena, symptoms due to anaemia and swelling in the tongue. Oral examination revealed a hard submucosal anterior tongue lesion. Biopsies from the tongue lesion and the duodenal ulcer seen on upper gastrointestinal endoscopy were suggestive of metastasis from lung primary. CT revealed lung primary with disseminated metastasis to lung, liver, adrenals, kidneys, head and body of pancreas, duodenum and intra-abdominal lymph nodes. The patient was treated with palliative chemotherapy. The unusual presentation and diagnostic details are discussed. PMID- 27864302 TI - Interpregnancy interval following miscarriage and adverse pregnancy outcomes: systematic review and meta-analysis. AB - BACKGROUND: A short interpregnancy interval (IPI) following a delivery is believed to be associated with adverse outcomes in the next pregnancy. The optimum IPI following miscarriage is controversial. Based on a single large-scale study in Latin and South America, the World Health Organization recommends delaying pregnancy for 6 months after a miscarriage to achieve optimal outcomes in the next pregnancy. OBJECTIVE AND RATIONALE: Our aim was to determine if a short IPI (<6 months) following miscarriage is associated with adverse outcomes in the next pregnancy. SEARCH METHODS: Studies were retrieved from MEDLINE, Embase and Pubmed, with no time and language restrictions. The search strategy used a combination of Medical Subject Headings terms for miscarriage, IPI and adverse outcomes. Bibliographies of the retrieved articles were also searched by hand. All studies including women with at least one miscarriage, comparing subsequent adverse pregnancy outcomes for IPIs of less than and more than 6 months were included. Two independent reviewers screened titles and abstracts for inclusion. Characteristics of the studies were extracted and quality assessed using Critical Appraisal Skills Programme criteria. A systematic review and meta analysis were conducted to compare short (<6 months) versus long (>6 months) IPI following miscarriage in terms of risk of further miscarriage, preterm birth, stillbirth, pre-eclampsia and low birthweight babies in the subsequent pregnancy. Review Manager 5.3 was used for conducting meta-analyses. OUTCOMES: Sixteen studies including 1 043 840 women were included in the systematic review and data from 10 of these were included in one or more meta-analyses (977 972 women). With an IPI of less than 6 months, the overall risk of further miscarriage (Risk ratio (RR) 0.82 95% CI 0.78, 0.86) and preterm delivery (RR 0.79 95% CI 0.75, 0.83) were significantly reduced. The pooled risks of stillbirth (RR 0.88 95% CI 0.76, 1.02); low birthweight (RR 1.05 95% CI 0.48, 2.29) and pre-eclampsia (RR 0.95 95% CI 0.88, 1.02) were not affected by IPI. Similar findings were obtained in subgroup analyses when IPI of <6 months was compared with IPI of 6-12 months and >12 months. WIDER IMPLICATIONS: This is the first systematic review and meta analysis providing clear evidence that an IPI of less than 6 months following miscarriage is not associated with adverse outcomes in the next pregnancy. This information may be used to revise current guidance. PMID- 27864303 TI - Diagnosis of Left Ventricular Assist Device Outflow Graft Obstruction Using Intravascular Ultrasound. PMID- 27864304 TI - Constrictive Pericarditis and Protein-Losing Enteropathy: Is Extremely Severe Hypoalbuminemia Reversible by Pericardiectomy? PMID- 27864306 TI - The Transactivation Domains of the p53 Protein. AB - The p53 tumor suppressor is a transcriptional activator, with discrete domains that participate in sequence-specific DNA binding, tetramerization, and transcriptional activation. Mutagenesis and reporter studies have delineated two distinct activation domains (TADs) and specific hydrophobic residues within these TADs that are critical for their function. Knockin mice expressing p53 mutants with alterations in either or both of the two TADs have revealed that TAD1 is critical for responses to acute DNA damage, whereas both TAD1 and TAD2 participate in tumor suppression. Biochemical and structural studies have identified factors that bind either or both TADs, including general transcription factors (GTFs), chromatin modifiers, and negative regulators, helping to elaborate a model through which p53 activates transcription. Posttranslational modifications (PTMs) of the p53 TADs through phosphorylation also regulate TAD activity. Together, these studies on p53 TADs provide great insight into how p53 serves as a tumor suppressor. PMID- 27864305 TI - Oncogenic Mechanisms of Histone H3 Mutations. AB - Recurrent missense mutations in histone H3 were recently reported in pediatric gliomas and soft tissue tumors. Strikingly, these mutations only affected a minority of the total cellular H3 proteins and occurred at or near lysine residues at positions 27 and 36 on the amino-terminal tail of H3 that are subject to well-characterized posttranslational modifications. Here we review recent progress in elucidating the mechanisms by which these mutations perturb the chromatin landscape in cells through their effects on chromatin-modifying machinery, particularly through inhibition of specific histone lysine methyltransferases. One common feature of histone mutations is their ability to arrest cells in a primitive state refractory to differentiation induction, highlighting the importance of studying these mutations in their proper developmental context. PMID- 27864308 TI - Working in hot weather: a review of policies and guidelines to minimise the risk of harm to Australian workers. PMID- 27864307 TI - Pancreatic beta-Cells Express the Fetal Islet Hormone Gastrin in Rodent and Human Diabetes. AB - beta-Cell failure in type 2 diabetes (T2D) was recently proposed to involve dedifferentiation of beta-cells and ectopic expression of other islet hormones, including somatostatin and glucagon. Here we show that gastrin, a stomach hormone typically expressed in the pancreas only during embryogenesis, is expressed in islets of diabetic rodents and humans with T2D. Although gastrin in mice is expressed in insulin+ cells, gastrin expression in humans with T2D occurs in both insulin+ and somatostatin+ cells. Genetic lineage tracing in mice indicates that gastrin expression is turned on in a subset of differentiated beta-cells after exposure to severe hyperglycemia. Gastrin expression in adult beta-cells does not involve the endocrine progenitor cell regulator neurogenin3 but requires membrane depolarization, calcium influx, and calcineurin signaling. In vivo and in vitro experiments show that gastrin expression is rapidly eliminated upon exposure of beta-cells to normal glucose levels. These results reveal the fetal hormone gastrin as a novel marker for reversible human beta-cell reprogramming in diabetes. PMID- 27864309 TI - Railway suicide clusters: how common are they and what predicts them? AB - BACKGROUND: A growing number of studies have sought to detect clusters of all suicides, but few have sought to identify clusters of method-specific suicides. METHODS: Data on railway suicides occurring in Victoria, Australia, between 2001 and 2012 were obtained from the National Coronial Information System. We used the Poisson discrete scan statistic to identify railway suicides that occurred close together in space and/or time. We then used a case-control design to compare clustered railway suicides with non-clustered railway suicides on a range of individual and neighbourhood factors. RESULTS: We detected four spatial clusters that accounted for 35% of all railway suicides. Railway suicides by individuals who were hospitalised for mental illness had nearly double the odds of being in a cluster compared with those individuals who had never been hospitalised (OR 1.80, 95% CI 1.02 to 3.18). Higher frequency train services were associated with increased odds of being in a cluster (OR 1.11, 95% CI 1.03 to 1.19). No other predictors were associated with being in a cluster. CONCLUSIONS: Railway suicides that occur in clusters warrant particular attention because of the ripple effect they can have for communities and the risk that they may lead to copycat acts. Railway suicide prevention strategies should consider the fact that these suicides can occur in clusters, particularly among individuals who had previous hospitalisations for mental illness or live in areas with high-frequency train services. PMID- 27864311 TI - Late Dehiscence of Left Atrial Appendage Closure Device. PMID- 27864312 TI - Atrial Pathology Findings in a Patient With PRKAG2 Cardiomyopathy and Persistent Atrial Fibrillation. PMID- 27864310 TI - Low TLR7 gene expression in atherosclerotic plaques is associated with major adverse cardio- and cerebrovascular events. AB - AIMS: Processes in the development of atherosclerotic lesions can lead to plaque rupture or erosion, which can in turn elicit myocardial infarction or ischaemic stroke. The aims of this study were to determine whether Toll-like receptor 7 (TLR7) gene expression levels influence patient outcome and to explore the mechanisms linked to TLR7 expression in atherosclerosis. METHODS AND RESULTS: Atherosclerotic plaques were removed by carotid endarterectomy (CEA) and subjected to gene array expression analysis (n = 123). Increased levels of TLR7 transcript in the plaques were associated with better outcome in a follow-up study over a maximum of 8 years. Patients with higher TLR7 transcript levels had a lower risk of experiencing major cardiovascular and cerebrovascular events (MACCE) during the follow-up period after CEA (hazard ratio: 2.38, P = 0.012, 95% CI 1.21-4.67). TLR7 was expressed in all plaques by T cells, macrophages and endothelial cells in capillaries, as shown by immunohistochemistry. In short-term tissue cultures, ex vivo treatment of plaques with the TLR7 ligand imiquimod elicited dose-dependent secretion of IL-10, TNF-alpha, GM-CSF, and IL-12/IL 23p40. This secretion was blocked with a TLR7 inhibitor. Immunofluorescent tissue analysis after TLR7 stimulation showed IL-10 expression in T cells, macrophages and vascular smooth muscle cells. TLR7 mRNA levels in the plaques were correlated with IL-10 receptor (r = 0.4031, P < 0.0001) and GM-CSF receptor A (r = 0.4354, P < 0.0001) transcripts. CONCLUSION: These findings demonstrate that TLR7 is abundantly expressed in human atherosclerotic plaques. TLR7 ligation elicits the secretion of pro-inflammatory and anti-inflammatory cytokines, and high TLR7 expression in plaques is associated with better patient outcome, suggesting that TLR7 is a potential therapeutic target for prevention of complications of atherosclerosis. PMID- 27864313 TI - Non-Smad Signaling Pathways of the TGF-beta Family. AB - Transforming growth factor beta (TGF-beta) and structurally related factors use several intracellular signaling pathways in addition to Smad signaling to regulate a wide array of cellular functions. These non-Smad signaling pathways are activated directly by ligand-occupied receptors to reinforce, attenuate, or otherwise modulate downstream cellular responses. This review summarizes the current knowledge of the mechanisms by which non-Smad signaling pathways are directly activated in response to ligand binding, how activation of these pathways impinges on Smads and non-Smad targets, and how final cellular responses are affected in response to these noncanonical signaling modes. PMID- 27864315 TI - Protein Quality Control in Health and Disease. AB - Maintaining functional protein homeostasis (proteostasis) is a constant challenge in the face of limited protein-folding capacity, environmental threats, and aging. Cells have developed several quality-control mechanisms that assist nascent polypeptides to fold properly, clear misfolded molecules, respond to the accumulation of protein aggregates, and deposit potentially toxic conformers in designated sites. Proteostasis collapse can lead to the development of diseases known as proteinopathies. Here we delineate the current knowledge on the different layers of protein quality-control mechanisms at the organelle and cellular levels with an emphasis on the prion protein (PrP). We also describe how protein quality control is integrated at the organismal level and discuss future perspectives on utilizing proteostasis maintenance as a strategy to develop novel therapies for the treatment of proteinopathies. PMID- 27864314 TI - Cilia and Mucociliary Clearance. AB - Mucociliary clearance (MCC) is the primary innate defense mechanism of the lung. The functional components are the protective mucous layer, the airway surface liquid layer, and the cilia on the surface of ciliated cells. The cilia are specialized organelles that beat in metachronal waves to propel pathogens and inhaled particles trapped in the mucous layer out of the airways. In health this clearance mechanism is effective, but in patients with primary cilia dyskinesia (PCD) the cilia are abnormal, resulting in deficient MCC and chronic lung disease. This demonstrates the critical importance of the cilia for human health. In this review, we summarize the current knowledge of the components of the MCC apparatus, focusing on the role of cilia in MCC. PMID- 27864317 TI - Prednisolone is associated with a worse lipid profile than hydrocortisone in patients with adrenal insufficiency. AB - OBJECTIVE: Prednisolone is used as glucocorticoid replacement therapy for adrenal insufficiency (AI). Recent data indicate that its use in AI is associated with low bone mineral density. Data on risk factors for cardiovascular disease in patients with AI treated with prednisolone are scarce, despite this condition being the predominant cause of excess mortality. We aimed to address this question using real-world data from the European Adrenal Insufficiency Registry (EU-AIR). DESIGN/METHODS: EU-AIR, comprising of 19 centres across Germany, the Netherlands, Sweden and the UK, commenced enrolling patients with AI in August 2012. Patients receiving prednisolone (3-6 mg/day, n = 50) or hydrocortisone (15 30 mg/day, n = 909) were identified and grouped at a ratio of 1:3 (prednisolone:hydrocortisone) by matching for gender, age, duration and type of disease. Data from baseline and follow-up visits were analysed. Data from patients with congenital adrenal hyperplasia were excluded. RESULTS: Significantly higher mean +/- s.d. total (6.3 +/- 1.6 vs 5.4 +/- 1.1 mmol/L; P = 0.003) and low-density lipoprotein (LDL) cholesterol levels (3.9 +/- 1.4 vs 3.2 +/- 1.0 mmol/L; P = 0.013) were identified in 47 patients on prednisolone vs 141 receiving hydrocortisone at baseline and at follow-up (P = 0.005 and P = 0.006, respectively). HbA1c, high-density lipoprotein and triglyceride levels, body mass index, systolic and diastolic blood pressure and waist circumference were not significantly different. CONCLUSIONS: This is the first matched analysis of its kind. Significantly higher LDL levels in patients receiving prednisolone relative to hydrocortisone could predict a higher relative risk of cardiovascular disease in the former group. PMID- 27864319 TI - Structured telephone support or non-invasive telemonitoring for patients with heart failure. PMID- 27864318 TI - Coronary heart disease and risk factors as predictors of trajectories of psychological distress from midlife to old age. AB - OBJECTIVE: To examine coronary heart disease (CHD) and its risk factors as predictors of long-term trajectories of psychological distress from midlife to old age. METHODS: In the Whitehall II cohort study, 6890 participants (4814 men, 2076 women; mean age 49.5 years) had up to seven repeat assessments of psychological distress over 21 years (mean follow-up 19 years). CHD and its risk factors (lifestyle-related risk factors, diabetes, hypertension and cholesterol) were assessed at baseline. Group-based trajectory modelling was used to identify clusters of individuals with a similar pattern of psychological distress over time. RESULTS: We identified four trajectories of psychological distress over the follow-up: 'persistently low' (69% of the participants), 'persistently intermediate' (13%), 'intermediate to low' (12%) and 'persistently high' (7%). The corresponding proportions were 60%, 16%, 13% and 11% among participants with CHD; 63%, 15%, 12% and 10% among smokers and 63%, 16%, 12% and 10% among obese participants. In multivariable adjusted multinomial regression analyses comparing other trajectories to persistently low trajectory, prevalent CHD was associated with intermediate to low (OR 1.70, 95% CI 1.08 to 2.68) and persistently high (OR 1.92, 95% CI 1.16 to 3.19) trajectories. Smoking (OR 1.33, 95% CI 1.07 to 1.64; OR 1.55, 95% CI 1.19 to 2.04) and obesity (OR 1.33, 95% CI 1.04 to 1.70; OR 1.47, 95% CI 1.07 to 2.01) were associated with persistently intermediate and persistently high trajectories, respectively. CONCLUSION: CHD, smoking and obesity may have a role in the development of long-lasting psychological distress from midlife to old age. PMID- 27864320 TI - Three questionnaires to assess the perception of fixed orthodontic therapy before, during and after treatment: validity and reliability. AB - Background/objective: To assess the validity and reliability of a series of three questionnaires for the quantification of patient perception of fixed appliance orthodontic treatment. Subjects and methods: The study was carried out at the University of Dundee with content and face validity being assessed using proformas. Initially ten experts (Orthodontic Specialists) assessed content validity with 11 professionals (seven Orthodontic Specialists and four Postgraduates) and 20 patients assessing face validity. Content validity was determined according to the values of item-level content validity index (I-CVI) and scale-level CVI (S-CVI/Ave), while specially designed feedback forms were used for face validation. Internal consistency determined the reliability of the questionnaires according to the value of Cronbach alpha correlation coefficient test. The three questionnaires were then modified according to the recommendations of professionals and patients with seven experts reassessing content validity and ten newly selected patients assessing face validity. Results: The first round of content validity revealed that around half of the items in the questionnaires were not valid. Therefore, the questionnaires were not valid as a whole (S-CVI/Ave = 0.60). After modifying the questionnaires and removing the non-valid items, the new versions of the Pre-treatment, Orthodontic Experience, and Post-treatment Questionnaires showed high levels of face validity, content validity (S-CVI/Ave: 0.99, 0.97, and 0.99, respectively) and good levels of internal consistency (alpha = 0.86, 0.78, and 0.88, respectively). Limitation: The patient sample was collected from a single university clinic and from one city within the UK and this could affect the generalizability of the results. Conclusion: Three content valid and reliable questionnaires have been developed and validated for the evaluation of patient perception of fixed appliance orthodontic treatment. Implications: Unlike other tools that assess oral health-related quality of life, this series of three questionnaires assess the perception of fixed appliance orthodontic treatment before, during and after treatment. PMID- 27864321 TI - Atg8 family LC3/GABARAP proteins are crucial for autophagosome-lysosome fusion but not autophagosome formation during PINK1/Parkin mitophagy and starvation. AB - Members of the Atg8 family of proteins are conjugated to autophagosomal membranes, where they have been proposed to drive autophagosome formation and selective sequestration of cargo. In mammals, the Atg8 family consists of six members divided into the LC3 and GABARAP subfamilies. To define Atg8 function, we used genome editing to generate knockouts of the LC3 and GABARAP subfamilies as well as all six Atg8 family members in HeLa cells. We show that Atg8s are dispensable for autophagosome formation and selective engulfment of mitochondria, but essential for autophagosome-lysosome fusion. We find that the GABARAP subfamily promotes PLEKHM1 recruitment and governs autophagosome-lysosome fusion, whereas the LC3 subfamily plays a less prominent role in these processes. Although neither GABARAPs nor LC3s are required for autophagosome biogenesis, loss of all Atg8s yields smaller autophagosomes and a slowed initial rate of autophagosome formation. Our results clarify the essential function of the Atg8 family and identify GABARAP subfamily members as primary contributors to PINK1/Parkin mitophagy and starvation autophagy. PMID- 27864323 TI - What is policy and where do we look for it when we want to research it? AB - Public health researchers are increasingly concerned with achieving 'upstream' change to achieve reductions in the global burden of disease and health inequalities. Consequently, understanding policy and how to change it has become a central goal of public health. Yet conceptualisation of what constitutes policy and where it can be found is very limited within this field. Our glossary demonstrates that policy is many headed. It is located in a vast array of documents, discussions dialogues and actions which can be captured variously by formal and informal forms of documentation and observation. Effectively understanding policy and its relevance for public health requires an awareness of the full range of places and contexts in which policy work happens and policy documents are produced. PMID- 27864322 TI - Escherichia coli Proteome Microarrays Identified the Substrates of ClpYQ Protease. AB - Proteolysis is a vital mechanism to regulate the cellular proteome in all kingdoms of life, and ATP-dependent proteases play a crucial role within this process. In Escherichia coli, ClpYQ is one of the primary ATP-dependent proteases. In addition to function with removals of abnormal peptides in the cells, ClpYQ degrades regulatory proteins if necessary and thus let cells adjust to various environmental conditions. In E. coli, SulA, RcsA, RpoH and TraJ as well as RNase R, have been identified as natural protein substrates of ClpYQ. ClpYQ contains ClpY and ClpQ. The ATPase ClpY is responsible for protein recognition, unfolding, and translocation into the catalytic core of ClpQ. In this study, we use an indirect identification strategy to screen possible ClpY targets with E. coli K12 proteome chips. The chip assay results showed that YbaB strongly bound to ClpY. We used yeast two-hybrid assay to confirm the interactions between ClpY and YbaB protein and determined the Kd between ClpY and YbaB by quartz crystal microbalance. Furthermore, we validated that YbaB was successfully degraded by ClpYQ protease activity using ClpYQ in vitro and in vivo degradation assay. These findings demonstrated the YbaB is a novel substrate of ClpYQ protease. This work also successfully demonstrated that with the use of recognition element of a protease can successfully screen its substrates by indirect proteome chip screening assay. PMID- 27864324 TI - Colorectal cancer is a leading cause of cancer incidence and mortality among adults younger than 50 years in the USA: a SEER-based analysis with comparison to other young-onset cancers. AB - Colorectal cancer (CRC) incidence and mortality are rising among young adults. Our aim was to contrast the relative incidence and mortality of CRC to other common cancers among young adults in the USA. We used Surveillance, Epidemiology, and End Results registry data to compare cancer site-specific and age-specific mortality and incident rates for adults younger than age 50. We summarized extracted data, both overall, and stratified by sex. We found CRC was the third leading cause of cancer death among adults younger than age 50, after breast and lung cancer (1.67 cases per 100,000). Among young women, CRC was the fourth leading cause of cancer death (1.51 per 100,000). Among young men, CRC was the second leading cause of cancer death (1.82 cases per 100,000). CRC was the second most incident cancer among young adults for men and women combined. Among men, CRC was the second most incident cancer after age 30, with 4.9, 9.0, 16.4, and 30.8 cases per 100,000 for ages 30-34, 35-39, 40-44, and 45-49 years, respectively. Among women, CRC incidence was similar with 4.2, 7.6, 15.3, and 25.9 cases per 100,000 for ages 30-34, 35-39, 40-44, and 45-49 years, respectively. These results show that CRC is a leading cause of cancer incidence and mortality among young adults in the USA, relative to other cancers. Given trends toward increasing rates of CRC among young adults, strategies for identifying individuals at risk for young-onset CRC who might benefit from early age of screening initiation merit investigation. PMID- 27864325 TI - A technical consideration when using flow diversion for recurrent aneurysms following stent-assisted coiling. AB - Flow diversion (FD) is a treatment option for recurrent aneurysms including following stent-assisted coiling (SAC), although this approach is both 'off label' and unproven. A technical challenge of FD placement may involve the microwire catching on the tines of the previously placed stent or potentially going 'in-out-in' from the central axis of the stent. We report a case and technique that assures the wire has safely remained within the central axis of the stent. The procedure was performed in standard fashion except that the intermediate catheter was passed completely through the previously placed stent after the microwire/microcatheter had crossed. The large diameter of the intermediate catheter assured that the microwire did not go 'in-out-in'. The intermediate catheter was completely withdrawn from the stent and the FD was placed in standard fashion. This technique may help to achieve complete FD opening and prevent thromboembolic complications associated with incomplete FD opening. PMID- 27864327 TI - Erratum. PMID- 27864326 TI - Both maternal and offspring Elovl2 genotypes determine systemic DHA levels in perinatal mice. AB - The molecular details relevant to dietary supplementation of the omega-3 fatty acid DHA in mothers as well as in their offspring are not clear. The PUFA elongase, elongation of very long-chain fatty acid (ELOVL)2, is a critical enzyme in the formation of DHA in mammals. In order to address the question regarding the origin of DHA during perinatal life, we have used DHA-deficient Elovl2 ablated mice as a model system to analyze the maternal impact on the DHA level in their offspring of various genotypes. Elovl2-/- mothers maintained on control diet had significantly lower systemic levels of DHA compared with the Elovl2+/- and Elovl2+/+ mothers. Dietary DHA administration during the pregnancy and lactation periods led to increased DHA accretion in maternal tissues and serum of all genotypes. The proportion of DHA in the liver and serum of the Elovl2-/- offspring was significantly lower than in the Elovl2+/+ offspring. Remarkably, the DHA level in the Elovl2+/- offspring nursed by DHA-free-fed Elovl2-/- mothers was almost as high as in +/+ pups delivered by +/+ mothers, suggesting that endogenous synthesis in the offspring can compensate for maternal DHA deficiency. Maternal DHA supplementation had a strong impact on offspring hepatic gene expression, especially of the fatty acid transporter, Mfsd2a, suggesting a dynamic interplay between DHA synthesis and DHA uptake in the control of systemic levels in the offspring. PMID- 27864330 TI - Three-dimensional stochastic model of actin-myosin binding in the sarcomere lattice. AB - The effect of molecule tethering in three-dimensional (3-D) space on bimolecular binding kinetics is rarely addressed and only occasionally incorporated into models of cell motility. The simplest system that can quantitatively determine this effect is the 3-D sarcomere lattice of the striated muscle, where tethered myosin in thick filaments can only bind to a relatively small number of available sites on the actin filament, positioned within a limited range of thermal movement of the myosin head. Here we implement spatially explicit actomyosin interactions into the multiscale Monte Carlo platform MUSICO, specifically defining how geometrical constraints on tethered myosins can modulate state transition rates in the actomyosin cycle. The simulations provide the distribution of myosin bound to sites on actin, ensure conservation of the number of interacting myosins and actin monomers, and most importantly, the departure in behavior of tethered myosin molecules from unconstrained myosin interactions with actin. In addition, MUSICO determines the number of cross-bridges in each actomyosin cycle state, the force and number of attached cross-bridges per myosin filament, the range of cross-bridge forces and accounts for energy consumption. At the macroscopic scale, MUSICO simulations show large differences in predicted force-velocity curves and in the response during early force recovery phase after a step change in length comparing to the two simplest mass action kinetic models. The origin of these differences is rooted in the different fluxes of myosin binding and corresponding instantaneous cross-bridge distributions and quantitatively reflects a major flaw of the mathematical description in all mass action kinetic models. Consequently, this new approach shows that accurate recapitulation of experimental data requires significantly different binding rates, number of actomyosin states, and cross-bridge elasticity than typically used in mass action kinetic models to correctly describe the biochemical reactions of tethered molecules and their interaction energetics. PMID- 27864332 TI - Weak silica nanomaterial-induced genotoxicity can be explained by indirect DNA damage as shown by the OGG1-modified comet assay and genomic analysis. AB - In a previous study, 15-nm silica nanoparticles (NPs) caused small increases in DNA damage in liver as measured in the in vivo comet and micronucleus assays after intravenous administration to rats at their maximum tolerated dose, a worst case exposure scenario. Histopathological examination supported a particle induced, tissue damage-mediated inflammatory response. This study used a targeted approach to provide insight into the mode of action (MoA) by examining transcriptional regulation of genes in liver in a time and dose-dependent manner at 1, 2, 4, 8 and 24 h after intravenous administration of 15-nm silica NPs. DNA damage was assessed using the standard comet assay and hOGG1 glycosylase-modified comet assay that also measures oxidative DNA damage. Potassium bromate, an IARC Class 2B carcinogen that specifically operates via an oxidative stress MoA, was used as a positive control for the hOGG1 comet assay and gave a strong signal in its main target organ, the kidney, while showing less activity in liver. Treatment of rats with silica NPs at 50 mg/kg body weight (bw) caused small, statistically insignificant increases in DNA damage in liver measured by the standard comet assay, while a statistically significant increase was observed at 4 h with the hOGG1 comet assay, consistent with a MoA involving reactive oxygen species. Histopathology showed liver damage and neutrophil involvement while genomic analysis and response pattern of key genes involved in inflammation and oxidative stress supported a tissue damage-mediated inflammatory response involving the complement system for removing/phagocytising damaged cells. No changes were observed for histopathology or gene array for the low-dose (5 mg/kg bw) silica NPs. The results of this study confirm our hypothesis that the weak DNA damage observed by silica NPs occurs secondary to inflammation/immune response, indicating that a threshold can be applied in the risk assessment of these materials. PMID- 27864331 TI - Role of Sphingosine Kinase 1 and S1P Transporter Spns2 in HGF-mediated Lamellipodia Formation in Lung Endothelium. AB - Hepatocyte growth factor (HGF) signaling via c-Met is known to promote endothelial cell motility and angiogenesis. We have previously reported that HGF stimulates lamellipodia formation and motility of human lung microvascular endothelial cells (HLMVECs) via PI3K/Akt signal transduction and reactive oxygen species generation. Here, we report a role for HGF-induced intracellular sphingosine-1-phosphate (S1P) generation catalyzed by sphingosine kinase 1 (SphK1), S1P transporter, spinster homolog 2 (Spns2), and S1P receptor, S1P1, in lamellipodia formation and perhaps motility of HLMVECs. HGF stimulated SphK1 phosphorylation and enhanced intracellular S1P levels in HLMVECs, which was blocked by inhibition of SphK1. HGF enhanced co-localization of SphK1/p-SphK1 with actin/cortactin in lamellipodia and down-regulation or inhibition of SphK1 attenuated HGF-induced lamellipodia formation in HLMVECs. In addition, down regulation of Spns2 also suppressed HGF-induced lamellipodia formation, suggesting a key role for inside-out S1P signaling. The HGF-mediated phosphorylation of SphK1 and its localization in lamellipodia was dependent on c Met and ERK1/2 signaling, but not the PI3K/Akt pathway; however, blocking PI3K/Akt signaling attenuated HGF-mediated phosphorylation of Spns2. Down regulation of S1P1, but not S1P2 or S1P3, with specific siRNA attenuated HGF induced lamellipodia formation. Further, HGF enhanced association of Spns2 with S1P1 that was blocked by inhibiting SphK1 activity with PF-543. Moreover, HGF induced migration of HLMVECs was attenuated by down-regulation of Spns2. Taken together, these results suggest that HGF/c-Met-mediated lamellipodia formation, and perhaps motility is dependent on intracellular generation of S1P via activation and localization of SphK1 to cell periphery and Spns2-mediated extracellular transportation of S1P and its inside-out signaling via S1P1. PMID- 27864334 TI - Deubiquitinase OTUD6B Isoforms Are Important Regulators of Growth and Proliferation. AB - : Deubiquitinases (DUB) are increasingly linked to the regulation of fundamental processes in normal and cancer cells, including DNA replication and repair, programmed cell death, and oncogenes and tumor suppressor signaling. Here, evidence is presented that the deubiquitinase OTUD6B regulates protein synthesis in non-small cell lung cancer (NSCLC) cells, operating downstream from mTORC1. OTUD6B associates with the protein synthesis initiation complex and modifies components of the 48S preinitiation complex. The two main OTUD6B splicing isoforms seem to regulate protein synthesis in opposing fashions: the long OTUD6B 1 isoform is inhibitory, while the short OTUD6B-2 isoform stimulates protein synthesis. These properties affect NSCLC cell proliferation, because OTUD6B-1 represses DNA synthesis while OTUD6B-2 promotes it. Mutational analysis and downstream mediators suggest that the two OTUD6B isoforms modify different cellular targets. OTUD6B-2 influences the expression of cyclin D1 by promoting its translation while regulating (directly or indirectly) c-Myc protein stability. This phenomenon appears to have clinical relevance as NSCLC cells and human tumor specimens have a reduced OTUD6B-1/OTUD6B-2 mRNA ratio compared with normal samples. The global OTUD6B expression level does not change significantly between nonneoplastic and malignant tissues, suggesting that modifications of splicing factors during the process of transformation are responsible for this isoform switch. IMPLICATIONS: Because protein synthesis inhibition is a viable treatment strategy for NSCLC, these data indicate that OTUD6B isoform 2, being specifically linked to NSCLC growth, represents an attractive, novel therapeutic target and potential biomarker for early diagnosis of malignant NSCLC. Mol Cancer Res; 15(2); 117-27. (c)2016 AACR. PMID- 27864338 TI - Ertapenem and Valproic Acid Drug Interaction in an Adult Status Epilepticus Patient. PMID- 27864339 TI - Development of a Platform to Enable Fully Automated Cross-Titration Experiments. AB - In the triage of hits from a high-throughput screening campaign or during the optimization of a lead compound, it is relatively routine to test compounds at multiple concentrations to determine potency and maximal effect. Additional follow-up experiments, such as agonist shift, can be quite valuable in ascertaining compound mechanism of action (MOA). However, these experiments require cross-titration of a test compound with the activating ligand of the receptor requiring 100-200 data points, severely limiting the number tested in MOA assays in a screening triage. We describe a process to enhance the throughput of such cross-titration experiments through the integration of Hewlett Packard's D300 digital dispenser onto one of our robotics platforms to enable on-the-fly cross-titration of compounds in a 1536-well plate format. The process handles all the compound management and data tracking, as well as the biological assay. The process relies heavily on in-house-built software and hardware, and uses our proprietary control software for the platform. Using this system, we were able to automate the cross-titration of compounds for both positive and negative allosteric modulators of two different G protein-coupled receptors (GPCRs) using two distinct assay detection formats, IP1 and Ca2+ detection, on nearly 100 compounds for each target. PMID- 27864336 TI - BMP4 promotes mouse iPS cell differentiation to male germ cells via Smad1/5, Gata4, Id1 and Id2. AB - Generation of male germ cells from pluripotent cells could provide male gametes for treating male infertility and offer an ideal model for unveiling molecular mechanisms of spermatogenesis. However, the influence and exact molecular mechanisms, especially downstream effectors of BMP4 signaling pathways, in male germ cell differentiation of the induce pluripotent stem (iPS) cells, remain unknown. This study was designed to explore the role and mechanism of BMP4 signaling in the differentiation of mouse iPS cells to male germ cells. Embryoid body (EB) formation and recombinant BMP4 or Noggin were utilized to evaluate the effect of BMP4 on male germ cell generation from mouse iPS cells. Germ cell specific genes and proteins as well as the downstream effectors of BMP4 signaling pathway were assessed using real-time PCR and Western blots. We found that BMP4 ligand and its multiple receptors, including BMPR1a, BMPR1b and BMPR2, were expressed in mouse iPS cells. Real-time PCR and Western blots revealed that BMP4 could upregulate the levels of genes and proteins for germ cell markers in iPS cells-derived EBs, whereas Noggin decreased their expression in these cells. Moreover, Smad1/5 phosphorylation, Gata4 transcription and the transcripts of Id1 and Id2 were enhanced by BMP4 but decreased when exposed to Noggin. Collectively, these results suggest that BMP4 promotes the generation of male germ cells from iPS cells via Smad1/5 pathway and the activation of Gata4, Id1 and Id2 This study thus offers novel insights into molecular mechanisms underlying male germ cell development. PMID- 27864335 TI - Effects of maternal obesity on placental function and fetal development. AB - Obesity has reached epidemic proportions, and pregnancies in obese mothers have increased risk for complications including gestational diabetes, hypertensive disorders, pre-term birth and caesarian section. Children born to obese mothers are at increased risk of obesity and metabolic disease and are susceptible to develop neuropsychiatric and cognitive disorders. Changes in placental function not only play a critical role in the development of pregnancy complications but may also be involved in linking maternal obesity to long-term health risks in the infant. Maternal adipokines, i.e., interleukin 6 (IL-6), tumor necrosis factor alpha (TNF-alpha), leptin and adiponectin link maternal nutritional status and adipose tissue metabolism to placental function. Adipokines and metabolic hormones have direct impact on placental function by modulating placental nutrient transport. Nutrient delivery to the fetus is regulated by a complex interaction including insulin signaling, cytokine profile and insulin responsiveness, which is modulated by adiponectin and IL-1beta. In addition, obese pregnant women are at risk for hypertension and preeclampsia with reduced placental vascularity and blood flow, which would restrict placental nutrient delivery to the developing fetus. These sometimes opposing signals regulating placental function may contribute to the diversity of short and long-term outcomes observed in pregnant obese women. This review focuses on the changes in adipokines and obesity-related metabolic hormones, how these factors influence placental function and fetal development to contribute to long-term metabolic and behavioral consequences of children born to obese mothers. PMID- 27864340 TI - Microfluidic Tissue Mesodissection in Molecular Cancer Diagnostics. AB - We present a mesodissection platform that retains the advantages of laser-based dissection instrumentation with the speed and ease of manual dissection. Tissue dissection in clinical laboratories is often performed by manually scraping a physician-selected region from standard glass slide mounts. In this manner, costs associated with dissection remain low, but spatial resolution is compromised. In contrast, laser microdissection methods maintain spatial resolution that matches the requirements for analysis of important tissue heterogeneity but remains costly and labor intensive. We demonstrate a microfluidic tool for rapid extraction of histological regions of interest from formalin-fixed paraffin embedded tissue, which uses a simple and automated method that is compatible with most downstream enzymatic reactions, including protocols used for next-generation DNA sequencing. PMID- 27864341 TI - Density and Proximity of Licensed Tobacco Retailers and Adolescent Smoking. AB - Adolescent smoking prevention is an important issue in health care. This literature review describes the theoretical concept of ecological model for adolescent smoking and tobacco retailers and summarizes previous studies on the association between the density and proximity of tobacco retailers and adolescent smoking. We reviewed nine studies on tobacco retailer density and proximity in relation to adolescent smoking, published in peer-reviewed journals between 2004 and 2014. The tobacco retailer density and proximity were correlated with adolescent lifetime smoking, past 12-month smoking, past 30-day smoking, and susceptibility to smoking. School nurses or other school health professionals may need to include the density and proximity of tobacco retailer factors around schools in school-based tobacco-use prevention programs. Health policy makers may need to consider zoning or licensing restrictions of tobacco retailers around schools for adolescent smoking prevention. PMID- 27864343 TI - Lessons learned from Restoring Study 329: Transparent reporting, open databases and network meta-analyses as the way forward. PMID- 27864342 TI - Systemic Levels of Estrogens and PGE2 Synthesis in Relation to Postmenopausal Breast Cancer Risk. AB - Background: Prostaglandin E2 (PGE2) induces aromatase expression in adipose tissue, leading to increased estrogen production that may promote the development and progression of breast cancer. However, few studies have simultaneously investigated systemic levels of PGE2 and estrogen in relation to postmenopausal breast cancer risk.Methods: Here, we determined urinary estrogen metabolites (EM) using mass spectrometry in a case-cohort study (295 incident breast cancer cases and 294 subcohort members), and using linear regression estimated the effect of urinary levels of a major PGE2 metabolite (PGE-M) on EMs. HRs for the risk of developing breast cancer in relation to PGE-M and EMs were compared between Cox regression models with and without mutual adjustment.Results: PGE-M was a significant predictor of estrone (E1), but not estradiol (E2) levels in multivariable analysis. Elevated E2 levels were associated with an increased risk of developing breast cancer [HRQ5vs.Q1, 1.54; 95% confidence interval (CI), 1.01 2.35], and this association remained unchanged after adjustment for PGE-M (HRQ5vs.Q1, 1.52; 95% CI, 0.99-2.33). Similarly, elevated levels of PGE-M were associated with increased risk of developing breast cancer (HRQ4vs.Q1, 2.01; 95% CI, 1.01-4.29), and this association was only nominally changed after consideration of E1 or E2 levels.Conclusions: Urinary levels of PGE-M and estrogens were independently associated with future risk of developing breast cancer among these postmenopausal women.Impact: Increased breast cancer risk associated with PGE-M might not be fully explained by the estrogens-breast cancer association alone but also by additional effects related to inflammation. Cancer Epidemiol Biomarkers Prev; 26(3); 383-8. (c)2016 AACR. PMID- 27864344 TI - Targeting Tumor-Associated Fibroblasts for Therapeutic Delivery in Desmoplastic Tumors. AB - The off-target distribution of anticancer nanoparticles to fibroblasts creates a barrier to the effective treatment of desmoplastic tumors. However, we hypothesized that this nanoparticle detriment might be exploited to target the expression of secreted cytotoxic proteins from tumor-associated fibroblasts (TAF) as an anticancer strategy. In addressing this hypothesis, plasmids encoding the secretable TNF-related factor sTRAIL were loaded into lipid-coated protamine DNA complexes and administered by infusion in a murine xenograft model of human desmoplastic bladder carcinoma. Three doses were sufficient to generate approximately 70% of TAFs as sTRAIL-producing cells. sTRAIL triggered apoptosis in tumor cell nests adjacent to TAFs. Furthermore, it reverted residual fibroblasts to a quiescent state due to insufficient activation, further compromising tumor growth and remodeling the microenvironment to favor second wave nanotherapy. We confirmed the efficacy of this strategy in an orthotopic xenograft model of human pancreatic cancer, where the desmoplastic stroma is well known to be a major barrier to the delivery of therapeutic nanoparticles. Collectively, our results offer a proof of concept for the use of nanoparticles to modify TAFs as an effective strategy to treat desmoplastic cancers. Cancer Res; 77(3); 719-31. (c)2016 AACR. PMID- 27864345 TI - PAX3-FOXO1A Expression in Rhabdomyosarcoma Is Driven by the Targetable Nuclear Receptor NR4A1. AB - Alveolar rhabdomyosarcoma (ARMS) is a devastating pediatric disease driven by expression of the oncogenic fusion gene PAX3-FOXO1A. In this study, we report overexpression of the nuclear receptor NR4A1 in rhabdomyosarcomas that is sufficient to drive high expression of PAX3-FOXO1A there. RNAi-mediated silencing of NR4A1 decreased expression of PAX3-FOXO1A and its downstream effector genes. Similarly, cell treatment with the NR4A1 small-molecule antagonists 1,1-bis(3 indolyl)-1-(p-hydroxy or p-carbomethoxyphenyl)methane (C-DIM) decreased PAX3 FOXO1A. Mechanistic investigations revealed a requirement for the NR4A1/Sp4 complex to bind GC-rich promoter regions to elevate transcription of the PAX3 FOXO1A gene. In parallel, NR4A1 also regulated expression of beta1-integrin, which with PAX3-FOXO1A, contributed to tumor cell migration that was blocked by C DIM/NR4A1 antagonists. Taken together, our results provide a preclinical rationale for the use of NR4A1 small-molecule antagonists to treat ARMS and other rhabdomyosarcomas driven by PAX3-FOXO1A. Cancer Res; 77(3); 732-41. (c)2016 AACR. PMID- 27864346 TI - CBX4 Suppresses Metastasis via Recruitment of HDAC3 to the Runx2 Promoter in Colorectal Carcinoma. AB - Polycomb chromobox (CBX) proteins participate in the polycomb repressive complex (PRC1) that mediates epigenetic gene silencing and endows PRC1 with distinct oncogenic or tumor suppressor functions in a cell-type-dependent manner. In this study, we report that inhibition of cell migration, invasion, and metastasis in colorectal carcinoma requires CBX4-mediated repression of Runx2, a key transcription factor that promotes colorectal carcinoma metastasis. CBX4 inversely correlated with Runx2 expression in colorectal carcinoma tissues, and the combination of high CBX4 expression and low Runx2 expression significantly correlated with overall survival, more so than either CBX4 or Runx2 expression alone. Mechanistically, CBX4 maintained recruited histone deacetylase 3 (HDAC3) to the Runx2 promoter, which maintained a deacetylated histone H3K27 state to suppress Runx2 expression. This function of CBX4 was dependent on its interaction with HDAC3, but not on its SUMO E3 ligase, its chromodomain, or the PRC1 complex. Disrupting the CBX4-HDAC3 interaction abolished Runx2 inhibition as well as the inhibition of cell migration and invasion. Collectively, our data show that CBX4 may act as a tumor suppressor in colorectal carcinoma, and strategies that stabilize the interaction of CBX4 with HDAC3 may benefit the colorectal carcinoma patients with metastases. Cancer Res; 76(24); 7277-89. (c)2016 AACR. PMID- 27864348 TI - Systems Approaches to Cancer Biology. AB - Cancer systems biology aims to understand cancer as an integrated system of genes, proteins, networks, and interactions rather than an entity of isolated molecular and cellular components. The inaugural Systems Approaches to Cancer Biology Conference, cosponsored by the Association of Early Career Cancer Systems Biologists and the National Cancer Institute of the NIH, focused on the interdisciplinary field of cancer systems biology and the challenging cancer questions that are best addressed through the combination of experimental and computational analyses. Attendees found that elucidating the many molecular features of cancer inevitably reveals new forms of complexity and concluded that ensuring the reproducibility and impact of cancer systems biology studies will require widespread method and data sharing and, ultimately, the translation of important findings to the clinic. Cancer Res; 76(23); 6774-7. (c)2016 AACR. PMID- 27864347 TI - Human Pancreatic Cancer Cells Induce a MyD88-Dependent Stromal Response to Promote a Tumor-Tolerant Immune Microenvironment. AB - Cancer cells exert mastery over the local tumor-associated stroma (TAS) to configure protective immunity within the tumor microenvironment. The immunomodulatory character of pancreatic lysates of patients with cancer differs from those with pancreatitis. In this study, we evaluated the cross-talk between pancreatic cancer and its TAS in primary human cell culture models. Upon exposure of TAS to pancreatic cancer cell-conditioned media, we documented robust secretion of IL6 and IL8. This TAS response was MyD88-dependent and sufficient to directly suppress both CD4+ and CD8+ T-cell proliferation, inducing Th17 polarization at the expense of Th1. We found that patients possessed a similar shift in circulating effector memory Th17:Th1 ratios compared with healthy controls. The TAS response also directly suppressed CD8+ T-cell-mediated cytotoxicity. Overall, our results demonstrate how TAS contributes to the production of an immunosuppressive tumor microenvironment in pancreatic cancer. Cancer Res; 77(3); 672-83. (c)2016 AACR. PMID- 27864349 TI - Substantial Equivalence Standards in Tobacco Governance: Statutory Clarity and Regulatory Precedent for the FSPTCA. AB - The Family Smoking Prevention and Tobacco Control Act (FSPTCA) of 2009 creates the first national system of premarket regulation of tobacco products in American history. The FDA must now review and give marketing authorization to all new tobacco products, based on a public health standard, before they can be legally marketed. Yet the law also contains an alternative pathway for market entry-the substantial equivalence (SE) clause-by which novel and altered tobacco products can be marketed by demonstrating their substantial equivalence to existing products. Over 99 percent of tobacco product applications sent to the FDA under the new law have used this mechanism, and loose application of the SE mechanism carries the risk of undoing the FDA's gatekeeping power under the law. We review the statutory and regulatory precedent for SE, examining the FSPTCA itself as well as regulatory precedent from drug and device regulation (from which the term substantial equivalence and much of the associated statutory language was derived). Our review of standards and scientific precedent demonstrates that exacting scrutiny under the public health standard should govern all SE reviews and that clinical data incorporating social scientific evidence should be routinely required for SE claims by tobacco product sponsors. PMID- 27864350 TI - Grit and burnout in UK doctors: a cross-sectional study across specialties and stages of training. AB - PURPOSE OF THE STUDY: Grit is characterised by the ability to persevere during difficulties and maintain a sustained effort over an extended period of time. Throughout their careers, doctors will experience many periods of stress and difficulty. This may result in burnout, defined by the presence of exhaustion and disengagement from work. This study aims to characterise the relationship between grit and burnout in doctors and to establish whether there are differences between specialties and levels of training. STUDY DESIGN: A multicentre cross sectional survey by questionnaire was used. Participants were recruited from training days and an online medical forum. The survey consisted of the Short Grit Scale and the Oldenburg Burnout Inventory, which examine levels of grit and burnout, respectively. RESULTS: 548 responses were collected. We found a weak negative correlation between grit and burnout in UK doctors (r=-0.243, p<0.001). Hospital consultants had significantly higher grit scores than trainees. The highest level of burnout was found among general practitioners (GPs). When GPs were analysed separately, the correlation between grit and resilience was not seen. CONCLUSIONS: An understanding of an individual's level of grit may be used to identify doctors at a greater risk of burnout. As a high level of grit is associated with less burnout, interventions to improve grit through resilience training should be examined. Further research is needed to understand how grit levels change during a doctor's career and why GPs experience higher levels of burnout. PMID- 27864351 TI - Detecting differential growth of microbial populations with Gaussian process regression. AB - Microbial growth curves are used to study differential effects of media, genetics, and stress on microbial population growth. Consequently, many modeling frameworks exist to capture microbial population growth measurements. However, current models are designed to quantify growth under conditions for which growth has a specific functional form. Extensions to these models are required to quantify the effects of perturbations, which often exhibit nonstandard growth curves. Rather than assume specific functional forms for experimental perturbations, we developed a general and robust model of microbial population growth curves using Gaussian process (GP) regression. GP regression modeling of high-resolution time-series growth data enables accurate quantification of population growth and allows explicit control of effects from other covariates such as genetic background. This framework substantially outperforms commonly used microbial population growth models, particularly when modeling growth data from environmentally stressed populations. We apply the GP growth model and develop statistical tests to quantify the differential effects of environmental perturbations on microbial growth across a large compendium of genotypes in archaea and yeast. This method accurately identifies known transcriptional regulators and implicates novel regulators of growth under standard and stress conditions in the model archaeal organism Halobacterium salinarum For yeast, our method correctly identifies known phenotypes for a diversity of genetic backgrounds under cyclohexamide stress and also detects previously unidentified oxidative stress sensitivity across a subset of strains. Together, these results demonstrate that the GP models are interpretable, recapitulating biological knowledge of growth response while providing new insights into the relevant parameters affecting microbial population growth. PMID- 27864352 TI - Single-cell transcriptomes identify human islet cell signatures and reveal cell type-specific expression changes in type 2 diabetes. AB - Blood glucose levels are tightly controlled by the coordinated action of at least four cell types constituting pancreatic islets. Changes in the proportion and/or function of these cells are associated with genetic and molecular pathophysiology of monogenic, type 1, and type 2 (T2D) diabetes. Cellular heterogeneity impedes precise understanding of the molecular components of each islet cell type that govern islet (dys)function, particularly the less abundant delta and gamma/pancreatic polypeptide (PP) cells. Here, we report single-cell transcriptomes for 638 cells from nondiabetic (ND) and T2D human islet samples. Analyses of ND single-cell transcriptomes identified distinct alpha, beta, delta, and PP/gamma cell-type signatures. Genes linked to rare and common forms of islet dysfunction and diabetes were expressed in the delta and PP/gamma cell types. Moreover, this study revealed that delta cells specifically express receptors that receive and coordinate systemic cues from the leptin, ghrelin, and dopamine signaling pathways implicating them as integrators of central and peripheral metabolic signals into the pancreatic islet. Finally, single-cell transcriptome profiling revealed genes differentially regulated between T2D and ND alpha, beta, and delta cells that were undetectable in paired whole islet analyses. This study thus identifies fundamental cell-type-specific features of pancreatic islet (dys)function and provides a critical resource for comprehensive understanding of islet biology and diabetes pathogenesis. PMID- 27864357 TI - Global region of birth is an independent risk factor for type 2 diabetes in Stockholm, Sweden. AB - Background: In Stockholm, type 2 diabetes (T2D) is a public health concern and much more prevalent in areas with a high proportion of foreign-born individuals. One in five individuals in Stockholm County are born outside of Sweden, and we therefore investigated if global region of birth was associated with diabetes risk, adjusting for established risk factors. Cross-sectional data from the population-based Stockholm Public Health Survey 2010 ( N = 69 115) was combined with registry-based information on country of birth grouped into eight global geographical regions. Cases of T2D were identified through self-reported physician-diagnosed diabetes and age at diagnosis. Region of birth was the independent risk factor and multivariable logistic regression analysis was performed adjusting for the risk factors age, sex, weight status, educational level, multiple dietary factors, tobacco, alcohol and physical activity. T2D prevalence was 5.1% in the sample. Relative to Swedish-born participants, higher odds ratio (OR) were found in those born in Asia [OR 3.2, 95% confidence interval (CI) 2.2-4.7], Sub-Saharan Africa (OR 2.5, 95% CI 1.5-4.1) and North Africa/the Middle East (OR 2.1, 95% CI 1.6-2.8), after adjustment for established risk factors. Participants from Eastern Europe and Latin America had an elevated risk but this did not remain after adjustment for other risk factors. Region of birth was found to be an independent risk factor for T2D for participants born in Asia, Africa and the Middle East. This increased risk should be taken into consideration when allocating resources for prevention, detection and care. PMID- 27864353 TI - Identification of clinically predictive metagenes that encode components of a network coupling cell shape to transcription by image-omics. AB - The associations between clinical phenotypes (tumor grade, survival) and cell phenotypes, such as shape, signaling activity, and gene expression, are the basis for cancer pathology, but the mechanisms explaining these relationships are not always clear. The generation of large data sets containing information regarding cell phenotypes and clinical data provides an opportunity to describe these mechanisms. Here, we develop an image-omics approach to integrate quantitative cell imaging data, gene expression, and protein-protein interaction data to systematically describe a "shape-gene network" that couples specific aspects of breast cancer cell shape to signaling and transcriptional events. The actions of this network converge on NF-kappaB, and support the idea that NF-kappaB is responsive to mechanical stimuli. By integrating RNAi screening data, we identify components of the shape-gene network that regulate NF-kappaB in response to cell shape changes. This network was also used to generate metagene models that predict NF-kappaB activity and aspects of morphology such as cell area, elongation, and protrusiveness. Critically, these metagenes also have predictive value regarding tumor grade and patient outcomes. Taken together, these data strongly suggest that changes in cell shape, driven by gene expression and/or mechanical forces, can promote breast cancer progression by modulating NF-kappaB activation. Our findings highlight the importance of integrating phenotypic data at the molecular level (signaling and gene expression) with those at the cellular and tissue levels to better understand breast cancer oncogenesis. PMID- 27864358 TI - Effects of the histone deacetylase inhibitor 'Scriptaid' on the developmental competence of mouse embryos generated through round spermatid injection. AB - STUDY QUESTION: Can the histone deacetylase inhibitor Scriptaid improve the efficiency of the development of round spermatid injection (ROSI)-fertilized embryos in a mouse model? SUMMARY ANSWER: Treatment of ROSI mouse zygotes with Scriptaid increased the expression levels of several development-related genes at the blastocyst stage, resulting in more efficient in vitro development of the blastocyst and an increased birth rate of ROSI-derived embryos. WHAT IS KNOWN ALREADY: The full-term development of embryos derived through ROSI is significantly lower than that following ICSI in humans and other species. STUDY DESIGN, SIZE, DURATION: Oocytes, spermatozoa and round spermatids were collected from BDF1 (C57BL/6 * DBA/2) mice. For in vitro development experiments, mouse ROSI-derived zygotes were treated with Scriptaid at different concentrations (0, 125, 250, 500 and 1000 nM) and for different exposure times (0, 6, 10, 16 or 24 h). Next, blastocysts of the optimal Scriptaid-treated group and the non-treated ROSI group were separately transferred into surrogate ICR mice to compare in vivo development with the ICSI group (control). Each experiment was repeated at least three times. PARTICIPANTS/MATERIALS, SETTING, METHODS: Metaphase II (MII) oocytes, spermatozoa and round spermatids were obtained from sexually mature BDF1 female or male mice. The developmental potential of embryos among the three groups (the ICSI, ROSI and optimal Scriptaid-treated ROSI groups) was assessed based on the rates of obtaining zygotes, two-cell stage embryos, four-cell stage embryos, blastocysts and full-term offspring. In addition, the expression levels of development-related genes (Oct4, Nanog, Klf4 and Sox2) were analysed using real-time PCR, and the methylation states of imprinted genes (H19 and Snrpn) in these three groups were detected using methylation-specific PCR (MS-PCR) sequencing following bisulfite treatment. MAIN RESULTS AND THE ROLE OF CHANCE: The in vitro experiments revealed that treating ROSI-derived zygotes with 250 nM Scriptaid for 10 h significantly improved the blastocyst formation rate (59%) compared with the non-treated group (38%) and further increased the birth rates of ROSI-derived embryos from 21% to 40% in vivo. Moreover, in ROSI-derived embryos, the expression of the Oct4, Nanog and Sox2 genes at the blastocyst stage was decreased, but the optimal Scriptaid treatment restored expression to a level similar to their ICSI counterparts. In addition, Scriptaid treatment moderately repaired the abnormal DNA methylation pattern in the imprinting control regions (ICRs) of H19 and Snrpn. LARGE SCALE DATA: N/A LIMITATIONS, REASONS FOR CAUTION: Because of the ethics regarding the use of human gametes for ROSI studies, the mouse model was used as an approach to explore the effects of Scriptaid on the developmental potential of ROSI-derived embryos. However, to determine whether these findings can be applied to humans, further investigation will be required. WIDER IMPLICATIONS OF THE FINDINGS: Scriptaid treatment provides a new means of improving the efficiency and safety of clinical human ROSI. STUDY FUNDING/COMPETING INTERESTS: The study was financially supported through grants from the National Key Research Program of China (No. 2016YFC1304800); the National Natural Science Foundation of China (Nos: 81170756, 81571486); the Natural Science Foundation of Shanghai (Nos: 15140901700, 15ZR1424900) and the Programme for Professor of Special Appointment (Eastern Scholar) at Shanghai Institutions of Higher Learning. There are no conflicts of interest to declare. PMID- 27864360 TI - Evidence-based medicine in ART. PMID- 27864359 TI - Endothelin-1 down-regulates matrix metalloproteinase 14 and 15 expression in human first trimester trophoblasts via endothelin receptor type B. AB - STUDY QUESTION: Does endothelin-1 (ET-1) regulate matrix metalloproteinase (MMP) 14 and 15 production and invasion of human first trimester trophoblasts? SUMMARY ANSWER: ET-1 in pathophysiological concentrations down-regulates MMP14 and MMP15 expression via endothelin receptor (ETR) type B and decreases trophoblast migration and invasion. WHAT IS KNOWN ALREADY: MMP14 and MMP15 are involved in trophoblast invasion. Impairment of invasion has been linked to pregnancy complications such as pre-eclampsia (PE). ET-1 is up-regulated in PE. STUDY DESIGN, SIZE, DURATION: In vitro study using primary human trophoblasts from 50 first trimester placentas (gestational week 7-12). PARTICIPANTS/MATERIALS, SETTING, METHODS: Trophoblasts were cultured in the absence or presence of 10-100 nM ET-1. MMP14 and MMP15 mRNA and protein were quantified by RT-qPCR and Western blotting, respectively. Selective antagonists for ETRA (BQ-123) or ETRB (BQ-788) were used to identify ETR subtypes involved. Functional ET-1 effects were tested in first trimester chorionic villous explants and transwell invasion assays. The roles of tumor necrosis factor (TNF)-alpha (25 ng/ml) and oxygen (1%) in ET-1 regulation of MMP14 and 15 expression were assessed by Western blotting. MAIN RESULTS AND THE ROLE OF CHANCE: ET-1 down-regulated MMP14 and MMP15 mRNA (-21% and -26%, respectively, P < 0.05) and protein levels (-18% and -22%, respectively, P < 0.05). This effect was mediated via ETRB. ET-1 decreased trophoblast outgrowth in placental explants (-24%, P < 0.05) and trophoblast invasion (-26%, P <= 0.01). TNF-alpha enhanced ET-1 mediated MMP15 down regulation (by 10%, P < 0.05), whereas hypoxia abolished the effect of ET-1 on both MMPs. LARGE SCALE DATA: N/A. LIMITATIONS, REASONS FOR CAUTION: Only primary trophoblasts were used in this study. Since trophoblast yield from first trimester placental material is limited, further aspects of MMP14 and 15 regulation could not be characterized. Other anti-invasive factors may be altered by ET-1 in trophoblasts and, thus, contribute to the reduced invasion, but have not been investigated. Oxygen levels similar to those found in the decidua (5-8% O2) were not analyzed in this study. WIDER IMPLICATIONS OF THE FINDINGS: ET-1 modifies placental function already during the first trimester of pregnancy, the time-window when the placental changes implicated in PE occur. Thus, our results improve the understanding of the placental mechanisms underlying trophoblast invasion and PE. STUDY FUNDING/COMPETING INTERESTS: The study was funded by the Oesterreichische Nationalbank (Anniversary Fund, project number: 14796) and the Herzfelder'sche Familienstiftung (to J.P.; number: 00685). AMM received funding from the Austrian Science Fund FWF (W1241) and the Medical University Graz through the PhD Program Molecular Fundamentals of Inflammation (DK-MOLIN). The authors have no conflict of interest. PMID- 27864361 TI - Causes of male infertility: a 9-year prospective monocentre study on 1737 patients with reduced total sperm counts. AB - STUDY QUESTION: What are the primary causes of severe male factor infertility? SUMMARY ANSWER: Although 40% of all patients showed primary causes of infertility, which could be subdivided into three groups based on the severity of their effect, ~75% of oligozoospermia cases remained idiopathic. WHAT IS KNOWN ALREADY: There are few large-scale epidemiological studies analyzing the causes of male factor infertility. STUDY DESIGN, SIZE, DURATION: A prospective clinical epidemiological study was conducted at the Andrology Centre, Tartu University Hospital between 2005 and 2013, recruiting male partners of couples failing to conceive a child for over >=12 months. Among 8518 patients, 1737 (20.4%) were diagnosed with severe male factor infertility. A reference group of fertile controls was comprised of 325 partners of pregnant women. PARTICIPANTS/MATERIALS, SETTING, METHODS: The mean age of infertility patients and fertile controls was 33.2 +/- 7.3 and 31.7 +/- 6.3 years, respectively. All participants were examined using a standardized andrology workup, accompanied by a structured medical interview. Hormonal analysis included serum FSH, LH and testosterone. Semen quality was determined in accordance to the World Health Organization recommendations. Cases with spermatozoa concentrations of <=5 million/ml were screened for chromosomal aberrations and Y-chromosomal microdeletions. MAIN RESULTS AND THE ROLE OF CHANCE: The primary cause of infertility was defined for 695 of 1737 patients (~40%). The analyzed causal factors could be divided into absolute (secondary hypogonadism, genetic causes, seminal tract obstruction), severe (oncological diseases, severe sexual dysfunction) and plausible causal factors (congenital anomalies in uro-genital tract, acquired or secondary testicular damage). The latter were also detected for 11 (3.4%) men with proven fertility (diagnoses: unilateral cryptorchidism, testis cancer, orchitis, mumps orchitis). The causal factors behind the most severe forms of impaired spermatogenesis were relatively well understood; causes were assigned: for aspermia in 46/46 cases (100%), for azoospermia in 321/388 cases (82.7%), and for cryptozoospermia in 54/130 cases (41.5%). In contrast, 75% of oligozoospermia cases remained unexplained. The main cause of aspermia was severe sexual dysfunction (71.7% of aspermia patients). Azoospermia patients accounted for 86.4% of all cases diagnosed with secondary hypogonadism and 97.1% of patients with seminal tract obstruction. Of patients with a known genetic factor, 87.4% had extreme infertility (azoo-, crypto- or aspermia). The prevalence of congenital anomalies in the uro-genital tract was not clearly correlated with the severity of impaired sperm production. Previously defined 'potential contributing factors' varicocele and leukocytospermia were excluded as the primary causes of male infertility. However, their incidence was >2-fold higher (31.0 vs 13.5% and 16.1 vs 7.4%; P < 0.001) in the idiopathic infertility group compared to controls. In addition, the proportions of overweight (or obese) patients and patients suffering from a chronic disease were significantly increased in almost all of the patient subgroups. LIMITATIONS REASONS FOR CAUTION: The study included only subjects with reduced total spermatozoa counts. Thus, these findings cannot be automatically applied to all male factor infertility cases. WIDER IMPLICATIONS OF THE FINDINGS: The novel insights and improved clarity achieved in the comprehensive analysis regarding the absolute, causative and plausible factors behind male infertility, as well as the 'potential contributing factors', will be valuable tools in updating the current clinical guidelines. The study highlights knowledge gaps and reiterates an urgent need to uncover the causes and mechanisms behind, and potential treatments of, oligozoospermic cases, representing the majority of idiopathic infertility patients (86.3%). STUDY FUNDING/COMPETING INTERESTS: The project was financed by the EU through the ERDF, project HAPPY PREGNANCY, no. 3.2.0701.12-004 (M.P., M.L.) and the Estonian Research Council: grants PUT181 (M.P.) and IUT34-12 (M.L.). The funders had no role in study design, data collection and analysis, decision to publish or preparation of the manuscript. We have no competing interests to declare. TRAIL REGISTRATION NUMBER: Not applicable. PMID- 27864362 TI - Identification of Lysophosphatidic Acid Receptor 1 in Astroglial Cells as a Target for Glial Cell Line-derived Neurotrophic Factor Expression Induced by Antidepressants. AB - Preclinical and clinical evidence suggests that glial cell line-derived neurotrophic factor (GDNF) is important in the therapeutic effect of antidepressants. A previous study demonstrated that the tricyclic antidepressant amitriptyline induces Galphai/o activation, which leads to GDNF expression in astrocytes. However, the specific target expressed in astrocytes that mediates antidepressant-evoked Galphai/o activation has yet to be identified. Thus, the current study explored the possibility that antidepressant-induced Galphai/o activation depends on lysophosphatidic acid receptor 1 (LPAR1), a Galphai/o coupled receptor. GDNF mRNA expression was examined using real-time PCR and Galphai/o activation was examined using the cell-based receptor assay system CellKeyTM in rat C6 astroglial cells and rat primary cultured astrocytes. LPAR1 antagonists blocked GDNF mRNA expression and Galphai/o activation evoked by various classes of antidepressants (amitriptyline, nortriptyline, mianserin, and fluoxetine). In addition, deletion of LPAR1 by RNAi suppressed amitriptyline evoked GDNF mRNA expression. Treatment of astroglial cells with the endogenous LPAR agonist LPA increased GDNF mRNA expression through LPAR1, whereas treatment of primary cultured neurons with LPA failed to affect GDNF mRNA expression. Astrocytic GDNF expression evoked by either amitriptyline or LPA utilized, in part, transactivation of fibroblast growth factor receptor and a subsequent ERK cascade. The current results suggest that LPAR1 is a novel, specific target of antidepressants that leads to GDNF expression in astrocytes. PMID- 27864363 TI - Induction of Airway Allergic Inflammation by Hypothiocyanite via Epithelial Cells. AB - Hypothiocyanite (OSCN-) serves as a potent innate defense system against microbes in the lungs. OSCN- is generated by the catalysis of peroxidases using thiocyanate transported via several anion transporters, including pendrin/SLC26A4 and hydrogen peroxide (H2O2) generated by Duox1 and Duox2. We previously demonstrated that expression of pendrin, peroxidases, and Duox1/Duox2 is up regulated in bronchial asthma patients and/or asthma model mice and that these molecules are important in accelerating airway inflammation. However, it remained unclear how activating these molecules would lead to airway inflammation. In this study, we examined whether OSCN- produced via the pendrin/peroxidase/Duox pathway causes inflammation via airway epithelial cells. In an in vitro OSCN- production system, OSCN-, but not H2O2, activated NF-kappaB, a transcription factor critical for inflammatory responses, in the airway epithelial cells. OSCN- was sensed by protein kinase A (PKA) followed by formation of the dimerization of PKA. The dimerized PKA, the active form, was critical in activating NF-kappaB. Detoxifying H2O2, mainly by catalase, enabled the dominant abilities of OSCN- to dimerize PKA and activate NF-kappaB, compared with untreated H2O2 Furthermore, OSCN- in high doses caused necrosis of the cells, inducing release of IL-33, a trigger to initiate type 2 inflammation. These results demonstrate that OSCN- in low doses activates NF-kappaB via PKA in airway epithelial cells, whereas OSCN- in high doses causes necrosis, suggesting an important role in airway allergic inflammation for the production of OSCN- via the pendrin/peroxidase/Duox pathway. PMID- 27864364 TI - Membrane Recruitment of the Non-receptor Protein GIV/Girdin (Galpha-interacting, Vesicle-associated Protein/Girdin) Is Sufficient for Activating Heterotrimeric G Protein Signaling. AB - GIV (aka Girdin) is a guanine nucleotide exchange factor that activates heterotrimeric G protein signaling downstream of RTKs and integrins, thereby serving as a platform for signaling cascade cross-talk. GIV is recruited to the cytoplasmic tail of receptors upon stimulation, but the mechanism of activation of its G protein regulatory function is not well understood. Here we used assays in humanized yeast models and G protein activity biosensors in mammalian cells to investigate the role of GIV subcellular compartmentalization in regulating its ability to promote G protein signaling. We found that in unstimulated cells GIV does not co-fractionate with its substrate G protein Galphai3 on cell membranes and that constitutive membrane anchoring of GIV in yeast cells or rapid membrane translocation in mammalian cells via chemically induced dimerization leads to robust G protein activation. We show that membrane recruitment of the GIV "Galpha binding and activating" motif alone is sufficient for G protein activation and that it does not require phosphomodification. Furthermore, we engineered a synthetic protein to show that recruitment of the GIV "Galpha binding and activating" motif to membranes via association with active RTKs, instead of via chemically induced dimerization, is also sufficient for G protein activation. These results reveal that recruitment of GIV to membranes in close proximity to its substrate G protein is a major mechanism responsible for the activation of its G protein regulatory function. PMID- 27864365 TI - NMR Investigation of Structures of G-protein Coupled Receptor Folding Intermediates. AB - Folding of G-protein coupled receptors (GPCRs) according to the two-stage model (Popot, J. L., and Engelman, D. M. (1990) Biochemistry 29, 4031-4037) is postulated to proceed in 2 steps: partitioning of the polypeptide into the membrane followed by diffusion until native contacts are formed. Herein we investigate conformational preferences of fragments of the yeast Ste2p receptor using NMR. Constructs comprising the first, the first two, and the first three transmembrane (TM) segments, as well as a construct comprising TM1-TM2 covalently linked to TM7 were examined. We observed that the isolated TM1 does not form a stable helix nor does it integrate well into the micelle. TM1 is significantly stabilized upon interaction with TM2, forming a helical hairpin reported previously (Neumoin, A., Cohen, L. S., Arshava, B., Tantry, S., Becker, J. M., Zerbe, O., and Naider, F. (2009) Biophys. J. 96, 3187-3196), and in this case the protein integrates into the hydrophobic interior of the micelle. TM123 displays a strong tendency to oligomerize, but hydrogen exchange data reveal that the center of TM3 is solvent exposed. In all GPCRs so-far structurally characterized TM7 forms many contacts with TM1 and TM2. In our study TM127 integrates well into the hydrophobic environment, but TM7 does not stably pack against the remaining helices. Topology mapping in microsomal membranes also indicates that TM1 does not integrate in a membrane-spanning fashion, but that TM12, TM123, and TM127 adopt predominantly native-like topologies. The data from our study would be consistent with the retention of individual helices of incompletely synthesized GPCRs in the vicinity of the translocon until the complete receptor is released into the membrane interior. PMID- 27864366 TI - Siah2 Protein Mediates Early Events in Commitment to an Adipogenic Pathway. AB - Adipose tissue expansion occurs by increasing the size of existing adipocytes or by increasing the number of adipocytes via adipogenesis. Adipose tissue dysfunction in obesity is associated with adipocyte hypertrophy and impaired adipogenesis. We recently demonstrated that deletion of the ubiquitin ligase Siah2 is associated with enlarged adipocytes in lean or obese mice. In this study, we find that adipogenesis is impaired in 3T3-L1 preadipocytes stably transfected with Siah2 shRNA and that overexpression of Siah2 in non-precursor fibroblasts promotes adipogenesis. In the 3T3-L1 model, loss of Siah2 is associated with sustained beta-catenin expression post-induction, but depletion of beta-catenin only partially restores PPARgamma expression and adipocyte formation. Using wild-type and Siah2-/- adipose tissue and adipose stromal vascular cells, we observe that Siah2 influences the expression of several factors that control adipogenesis, including Wnt pathway genes, beta-catenin, Zfp432, and Bmp-4 Consistent with increased beta-catenin levels in shSiah2 preadipocytes, Wnt10b is elevated in Siah2-/- adipose tissue and remains elevated in Siah2-/- primary stromal cells after addition of the induction mixture. However, addition of BMP-4 to Siah2-/- stromal cells reduces Wnt10b expression, reduces Zfp521 protein levels, and increases expression of Zfp423, a transcriptional regulator of peroxisome proliferator-activated receptor gamma expression that controls commitment to adipogenesis and is repressed by Zfp521. These results indicate that Siah2 acts upstream of BMP-4 to regulate factors that control the commitment of adipocyte progenitors to an adipogenic pathway. Our findings reveal an essential role for Siah2 in the early events that signal undifferentiated progenitor cells to become mature adipocytes. PMID- 27864368 TI - Role of the Cys Loop and Transmembrane Domain in the Allosteric Modulation of alpha4beta2 Nicotinic Acetylcholine Receptors. AB - Allosteric modulators of pentameric ligand-gated ion channels are thought to act on elements of the pathways that couple agonist binding to channel gating. Using alpha4beta2 nicotinic acetylcholine receptors and the alpha4beta2-selective positive modulators 17beta-estradiol (betaEST) and desformylflustrabromine (dFBr), we have identified pathways that link the binding sites for these modulators to the Cys loop, a region that is critical for channel gating in all pentameric ligand-gated ion channels. Previous studies have shown that the binding site for potentiating betaEST is in the C-terminal (post-M4) region of the alpha4 subunit. Here, using homology modeling in combination with mutagenesis and electrophysiology, we identified the binding site for potentiating dFBr on the top half of a cavity between the third (M3) and fourth transmembrane (M4) alpha-helices of the alpha4 subunit. We found that the binding sites for betaEST and dFBr communicate with the Cys loop, through interactions between the last residue of post-M4 and Phe170 of the conserved FPF sequence of the Cys loop, and that these interactions affect potentiating efficacy. In addition, interactions between a residue in M3 (Tyr309) and Phe167, a residue adjacent to the Cys loop FPF motif, also affect dFBr potentiating efficacy. Thus, the Cys loop acts as a key control element in the allosteric transduction pathway for potentiating betaEST and dFBr. Overall, we propose that positive allosteric modulators that bind the M3-M4 cavity or post-M4 region increase the efficacy of channel gating through interactions with the Cys loop. PMID- 27864370 TI - Acceptability of Strategies to Reduce Student Sitting: A Mixed-Methods Study With College Teachers. AB - BACKGROUND: As school days among adolescents include long periods of prolonged sitting, teachers are key agents to deliver interventions to reduce youth sedentary behavior. To develop an intervention, acceptability and feasibility of alternative strategies should be tested. We aimed to examine teachers' current use and willingness to use various strategies to decrease student sitting and potential barriers and facilitators of use. METHOD: Mixed-methods design with college teachers using an online cross-sectional survey (n = 192) and focus group interviews (n = 13). FINDINGS: Although a vast majority (87%) of the teachers found reducing prolonged sitting an important goal, only 47% were actually including practices to reduce sitting in their classroom. 89% of the teachers reported willingness to use at least one of the five alternative strategies presented. Focus groups revealed a discussion emphasis on environmental opportunity and motivation as key to implementation. Teachers also generated additional ideas for intervention content. DISCUSSION: Despite low levels of current sitting reduction, teachers were willing to try at least one strategy to reduce sitting. Results informed intervention development regarding parameters of use for each strategy. When possible, interventions should provide teachers with a variety of alternative strategies that are easy to use to reduce prolonged sitting. PMID- 27864367 TI - Phaseic Acid, an Endogenous and Reversible Inhibitor of Glutamate Receptors in Mouse Brain. AB - Phaseic acid (PA) is a phytohormone regulating important physiological functions in higher plants. Here, we show the presence of naturally occurring (-)-PA in mouse and rat brains. (-)-PA is exclusively present in the choroid plexus and the cerebral vascular endothelial cells. Purified (-)-PA has no toxicity and protects cultured cortical neurons against glutamate toxicity through reversible inhibition of glutamate receptors. Focal occlusion of the middle cerebral artery elicited a significant induction in (-)-PA expression in the cerebrospinal fluid but not in the peripheral blood. Importantly, (-)-PA induction only occurred in the penumbra area, indicting a protective role of PA in the brain. Indeed, elevating the (-)-PA level in the brain reduced ischemic brain injury, whereas reducing the (-)-PA level using a monoclonal antibody against (-)-PA increased ischemic injury. Collectively, these studies showed for the first time that (-) PA is an endogenous neuroprotective molecule capable of reversibly inhibiting glutamate receptors during ischemic brain injury. PMID- 27864369 TI - Structures of the Multidrug Transporter P-glycoprotein Reveal Asymmetric ATP Binding and the Mechanism of Polyspecificity. AB - P-glycoprotein (P-gp) is a polyspecific ATP-dependent transporter linked to multidrug resistance in cancer; it plays important roles in determining the pharmacokinetics of many drugs. Understanding the structural basis of P-gp, substrate polyspecificity has been hampered by its intrinsic flexibility, which is facilitated by a 75-residue linker that connects the two halves of P-gp. Here we constructed a mutant murine P-gp with a shortened linker to facilitate structural determination. Despite dramatic reduction in rhodamine 123 and calcein AM transport, the linker-shortened mutant P-gp possesses basal ATPase activity and binds ATP only in its N-terminal nucleotide-binding domain. Nine independently determined structures of wild type, the linker mutant, and a methylated P-gp at up to 3.3 A resolution display significant movements of individual transmembrane domain helices, which correlated with the opening and closing motion of the two halves of P-gp. The open-and-close motion alters the surface topology of P-gp within the drug-binding pocket, providing a mechanistic explanation for the polyspecificity of P-gp in substrate interactions. PMID- 27864371 TI - Applicability of recycled aggregates in concrete piles for soft soil improvement. AB - The expressive generation of construction and demolition waste is stimulating several studies for reusing this material. The improvement of soft soils by concrete compaction piles has been widely applied for 40 years in some Brazilian cities. This technique is used to improve the bearing capacity of soft soils, allowing executing shallow foundations instead of deep foundations. The compaction piles use a high volume of material. This article explored the possibility of using recycled aggregates from construction waste to replace the natural aggregates in order to improve the bearing capacity of the soft soil, regarding its compressive strength. Construction wastes from different stages of a construction were used in order to make samples of concrete with recycled aggregates. The strength of concretes with natural aggregates was compared with the strength of concretes with recycled (fine and coarse) aggregates. Results show that all samples met the minimum compressive strength specified for compaction piles used to improve the bearing capacity of soft soils. The concrete with recycled aggregate from the structural stage had even higher resistances than the concrete with natural aggregates. This behaviour was attributed to the large amount of cementitious materials in the composition of this type of concrete. It was also observed that concrete with recycled fine aggregate has a superior resistance to concrete with recycled coarse aggregate. PMID- 27864374 TI - Classic Spotlight: Metabolic Flux-Which Way To Go? PMID- 27864372 TI - When Far Becomes Near. AB - On many occasions, people spontaneously or deliberately take the perspective of a person facing them rather than their own perspective. How is this done? Using a spatial perspective task in which participants were asked to identify objects at specific locations, we found that self-perspective judgments were faster for objects presented to the right, rather than the left, and for objects presented closer to the participants' own bodies. Strikingly, taking the opposing perspective of another person led to a reversal (i.e., remapping) of these effects, with reference to the other person's position (Experiment 1). A remapping of spatial relations was also observed when an empty chair replaced the other person (Experiment 2), but not when access to the other viewpoint was blocked (Experiment 3). Thus, when the spatial scene allows a physically feasible but opposing point of view, people respond as if their own bodies were in that place. Imagination can thus overcome perception. PMID- 27864376 TI - Probing function and structure of trehalose-6-phosphate phosphatases from pathogenic organisms suggests distinct molecular groupings. AB - The trehalose biosynthetic pathway is of great interest for the development of novel therapeutics because trehalose is an essential disaccharide in many pathogens but is neither required nor synthesized in mammalian hosts. As such, trehalose-6-phosphate phosphatase (TPP), a key enzyme in trehalose biosynthesis, is likely an attractive target for novel chemotherapeutics. Based on a survey of genomes from a panel of parasitic nematodes and bacterial organisms and by way of a structure-based amino acid sequence alignment, we derive the topological structure of monoenzyme TPPs and classify them into 3 groups. Comparison of the functional roles of amino acid residues located in the active site for TPPs belonging to different groups reveal nuanced variations. Because current literature on this enzyme family shows a tendency to infer functional roles for individual amino acid residues, we investigated the roles of the strictly conserved aspartate tetrad in TPPs of the nematode Brugia malayi by using a conservative mutation approach. In contrast to aspartate-213, the residue inferred to carry out the nucleophilic attack on the substrate, we found that aspartate-215 and aspartate-428 of BmTPP are involved in the chemistry steps of enzymatic hydrolysis of the substrate. Therefore, we suggest that homology-based inference of functionally important amino acids by sequence comparison for monoenzyme TPPs should only be carried out for each of the 3 groups.-Cross, M., Lepage, R., Rajan, S., Biberacher, S., Young, N. D., Kim, B.-N., Coster, M. J., Gasser, R. B., Kim, J.-S., Hofmann, A. Probing function and structure of trehalose-6-phosphate phosphatases from pathogenic organisms suggests distinct molecular groupings. PMID- 27864377 TI - Mitochondrial and redox abnormalities in autism lymphoblastoid cells: a sibling control study. AB - Autism spectrum disorder (ASD) is associated with physiological abnormalities, including abnormal redox and mitochondrial metabolism. Lymphoblastoid cell lines (LCLs) from some children with ASD exhibit increased oxidative stress, decreased glutathione redox capacity, and highly active mitochondria with increased vulnerability to reactive oxygen species (ROS). Because unaffected siblings (Sibs) of individuals with ASD share some redox abnormalities, we sought to determine whether LCLs from Sibs share ASD-associated mitochondrial abnormalities. We evaluated mitochondrial bioenergetics in 10 sets of LCLs from children with ASD, Sibs, and unrelated/unaffected controls (Cons) after acute increases in ROS. Additionally, intracellular glutathione and uncoupling protein 2 (UCP2) gene expressions were quantified. Compared to Sib LCLs, ASD LCLs exhibited significantly higher ATP-linked respiration, higher maximal and reserve respiratory capacity, and greater glycolysis and glycolytic reserve. ASD LCLs exhibited a significantly greater change in these parameters, with acute increases in ROS compared to both Sib and Con LCLs. Compared to Con, both ASD and Sib LCLs exhibited significantly higher proton leak respiration. Consistent with this, intracellular glutathione redox capacity was decreased and UCP2 gene expression was increased in both ASD and Sib compared to Con LCLs. These data indicate that mitochondrial respiratory function, not abnormal redox homeostasis, distinguishes ASD from unaffected LCLs.-Rose, S., Bennuri, S. C., Wynne, R., Melnyk, S., James, S. J., Frye, R. E. Mitochondrial and redox abnormalities in autism lymphoblastoid cells: a sibling control study. PMID- 27864378 TI - Loss of scleraxis in mice leads to geometric and structural changes in cortical bone, as well as asymmetry in fracture healing. AB - Scleraxis (Scx) is a known regulator of tendon development, and recent work has identified the role of Scx in bone modeling. However, the role of Scx in fracture healing has not yet been explored. This study was conducted to identify the role of Scx in cortical bone development and fracture healing. Scx green fluorescent protein-labeled (ScxGFP) reporter and Scx-knockout (Scx-mutant) mice were used to assess bone morphometry and the effects of fracture healing on Scx localization and gene expression, as well as callus healing response. Botulinum toxin (BTX) was used to investigate muscle unloading effects on callus shape. Scx-mutant long bones had structural and mechanical defects. Scx gene expression was elevated and bmp4 was decreased at 24 h after fracture. ScxGFP+ cells were localized throughout the healing callus after fracture. Scx-mutant mice demonstrated disrupted callus healing and asymmetry. Asymmetry of Scx-mutant callus was not due to muscle unloading. Wild-type littermates (age matched) served as controls. This is the first study to explore the role of Scx in cortical bone mechanics and fracture healing. Deletion of Scx during development led to altered long bone properties and callus healing. This study also demonstrated that Scx may play a role in the periosteal response during fracture healing.-McKenzie, J. A., Buettmann, E., Abraham, A. C., Gardner, M. J., Silva, M. J., Killian, M. L. Loss of scleraxis in mice leads to geometric and structural changes in cortical bone, as well as asymmetry in fracture healing. PMID- 27864379 TI - Foxn4 promotes gene expression required for the formation of multiple motile cilia. AB - Multiciliated cell (MCC) differentiation involves extensive organelle biogenesis required to extend hundreds of motile cilia. Key transcriptional regulators known to drive the gene expression required for this organelle biogenesis are activated by the related coiled-coil proteins Multicilin and Gemc1. Here we identify foxn4 as a new downstream target of Multicilin required for MCC differentiation in Xenopus skin. When Foxn4 activity is inhibited in Xenopus embryos, MCCs show transient ciliogenesis defects similar to those seen in mutants of Foxj1, a known key regulator of genes required for motile ciliation. RNAseq analysis indicates that Foxn4 co-activates some Foxj1 target genes strongly and many Foxj1 targets weakly. ChIPseq suggests that whereas Foxn4 and Foxj1 frequently bind to different targets at distal enhancers, they largely bind together at MCC gene promoters. Consistent with this co-regulation, cilia extension by MCCs is more severely compromised in foxn4 and foxj1 double mutants than in single mutants. In contrast to Foxj1, Foxn4 is not required to extend a single motile cilium by cells involved in left-right patterning. These results indicate that Foxn4 complements Foxj1 transcriptionally during MCC differentiation, thereby shaping the levels of gene expression required for the timely and complete biogenesis of multiple motile cilia. PMID- 27864380 TI - Setd5 is essential for mammalian development and the co-transcriptional regulation of histone acetylation. AB - SET domain-containing proteins play a vital role in regulating gene expression during development through modifications in chromatin structure. Here we show that SET domain-containing 5 (Setd5) is divergently transcribed with Gt(ROSA26)Sor, is necessary for mammalian development, and interacts with the PAF1 co-transcriptional complex and other proteins. Setd5-deficient mouse embryos exhibit severe defects in neural tube formation, somitogenesis and cardiac development, have aberrant vasculogenesis in embryos, yolk sacs and placentas, and die between embryonic day 10.5 and 11.5. Setd5-deficient embryonic stem cells have impaired cellular proliferation, increased apoptosis, defective cell cycle progression, a diminished ability to differentiate into cardiomyocytes and greatly perturbed gene expression. SETD5 co-immunoprecipitates with multiple components of the PAF1 and histone deacetylase-containing NCoR complexes and is not solely required for major histone lysine methylation marks. In the absence of Setd5, histone acetylation is increased at transcription start sites and near downstream regions. These findings suggest that SETD5 functions in a manner similar to yeast Set3p and Drosophila UpSET, and that it is essential for regulating histone acetylation during gene transcription. PMID- 27864383 TI - Use of Pharmacogenetic Information in the Treatment of Cardiovascular Disease. AB - BACKGROUND: In 1964, Robert A. O'Reilly's research group identified members of a family who required remarkably high warfarin doses (up to 145 mg/day, 20 times the average dose) to achieve appropriate anticoagulation. Since this time, pharmacogenetics has become a mainstay of cardiovascular science, and genetic variants have been implicated in several fundamental classes of medications used in cardiovascular medicine. CONTENT: In this review, we discuss genetic variants that affect drug response to 3 classes of cardiovascular drugs: statins, platelet P2Y12 inhibitors, and anticoagulants. These genetic variations have pharmacodynamic and pharmacokinetic effects and have been shown to explain differences in drug response such as lipid lowering, prevention of cardiovascular disease, and prevention of stroke, as well as incidence of adverse events such as musculoskeletal side effects and bleeding. Several groups have begun to implement pharmacogenetics testing as part of routine clinical care with the goal of improving health outcomes. Such strategies identify both patients at increased risk of adverse outcomes and alternative strategies to mitigate this risk as well as patients with "normal" genotypes, who, armed with this information, may have increased confidence and adherence to prescribed medications. While much is known about the genetic variants that underlie these effects, translation of this knowledge into clinical practice has been hampered by difficulty in implementing cost-effective, point-of-care tools to improve physician decision-making as well as a lack of data, as of yet, demonstrating the efficacy of using genetic information to improve health. SUMMARY: Many genetic variants that affect individual responses to drugs used in cardiovascular disease prevention and treatment have been described. Further study of these variants is needed before successful implementation into clinical practice. PMID- 27864381 TI - Dynein light chain DLC-1 promotes localization and function of the PUF protein FBF-2 in germline progenitor cells. AB - PUF family translational repressors are conserved developmental regulators, but the molecular function provided by the regions flanking the PUF RNA-binding domain is unknown. In C. elegans, the PUF proteins FBF-1 and FBF-2 support germline progenitor maintenance by repressing production of meiotic proteins and use distinct mechanisms to repress their target mRNAs. We identify dynein light chain DLC-1 as an important regulator of FBF-2 function. DLC-1 directly binds to FBF-2 outside of the RNA-binding domain and promotes FBF-2 localization and function. By contrast, DLC-1 does not interact with FBF-1 and does not contribute to FBF-1 activity. Surprisingly, we find that the contribution of DLC-1 to FBF-2 activity is independent of the dynein motor. Our findings suggest that PUF protein localization and activity are mediated by sequences flanking the RNA binding domain that bind specific molecular partners. Furthermore, these results identify a new role for DLC-1 in post-transcriptional regulation of gene expression. PMID- 27864384 TI - Reconciling Systems for Acute Myocardial Infarction Definition and Coding Classification. PMID- 27864382 TI - Molecular dynamics of Dkk4 modulates Wnt action and regulates meibomian gland development. AB - Secreted Dickkopf (Dkk) proteins are major Wnt pathway modulators during organ development. Dkk1 has been widely studied and acts as a general Wnt inhibitor. However, the molecular function of other Dkks remains largely unknown. Here, we show that Dkk4 selectively inhibits a subset of Wnts, but is further inactivated by proteolytic cleavage. Meibomian gland (MG) formation is employed as a model where Dkk4 and its Wnt targets are expressed. Skin-specific expression of Dkk4 arrests MG growth at early germ phase, which is similar to that observed in Eda ablated Tabby mice. Consistent with transient Dkk4 action, intact Dkk4 inhibits MG extension but the cleaved form progressively increases during MG development with a concomitant upswing in Wnt activity. Furthermore, both Dkk4 and its receptor (and Wnt co-receptor) Lrp6 are direct Eda targets during MG induction. In cell and organotypic cultures, Dkk4 inhibition is eliminated by elevation of Lrp6. Also, Lrp6 upregulation restores MG formation in Tabby mice. Thus, the dynamic state of Dkk4 itself and its interaction with Lrp6 modulates Wnt function during MG development, with a novel limitation of Dkk4 action by proteolytic cleavage. PMID- 27864385 TI - One Shot to Rule Out: Does the Limit of Detection of a High-Sensitivity Troponin Assay Hit the Mark? PMID- 27864386 TI - A Roadmap to Successful Clinical Proteomics. PMID- 27864388 TI - Payer Perspectives on Coverage of Biomarker Testing in Cardiovascular Disease. PMID- 27864389 TI - Troponin Autoantibodies: From Assay Interferent to Mediator of Cardiotoxicity. PMID- 27864387 TI - Increased Trimethylamine N-Oxide Portends High Mortality Risk Independent of Glycemic Control in Patients with Type 2 Diabetes Mellitus. AB - BACKGROUND: Recent studies show a mechanistic link between intestinal microbial metabolism of dietary phosphatidylcholine and coronary artery disease pathogenesis. Concentrations of a proatherogenic gut microbe-generated metabolite, trimethylamine N-oxide (TMAO), predict increased incident cardiovascular disease risks in multiple cohorts. TMAO concentrations are increased in patients with type 2 diabetes mellitus (T2DM), but their prognostic value and relation to glycemic control are unclear. METHODS: We examined the relationship between fasting TMAO and 2 of its nutrient precursors, choline and betaine, vs 3-year major adverse cardiac events and 5-year mortality in 1216 stable patients with T2DM who underwent elective diagnostic coronary angiography. RESULTS: TMAO [4.4 MUmol/L (interquartile range 2.8-7.7 MUmol/L) vs 3.6 (2.3-5.7 MUmol/L); P < 0.001] and choline concentrations were higher in individuals with T2DM vs healthy controls. Within T2DM patients, higher plasma TMAO was associated with a significant 3.0-fold increased 3-year major adverse cardiac event risk (P < 0.001) and a 3.6-fold increased 5-year mortality risk (P < 0.001). Following adjustments for traditional risk factors and high-sensitivity C-reactive protein, glycohemoglobin, and estimated glomerular filtration rate, increased TMAO concentrations remained predictive of both major adverse cardiac events and mortality risks in T2DM patients [e.g., quartiles 4 vs 1, hazard ratio 2.05 (95% CI, 1.31-3.20), P < 0.001; and 2.07 (95% CI, 1.37-3.14), P < 0.001, respectively]. CONCLUSIONS: Fasting plasma concentrations of the proatherogenic gut microbe-generated metabolite TMAO are higher in diabetic patients and portend higher major adverse cardiac events and mortality risks independent of traditional risk factors, renal function, and relationship to glycemic control. PMID- 27864392 TI - BET 1: Trimethoprim-sulfamethoxazole in uncomplicated skin abscess. AB - A short cut review was carried out to establish whether incision and drainage followed by treatment with oral trimethoprim-sulfamethoxazole is better than incision and drainage alone at treating patients with uncomplicated skin abscesses. One hundred and ninety-seven papers were found using the reported searches, of which three presented the best evidence to answer the clinical question. The author, date and country of publication, patient group studied, study type, relevant outcomes, results and study weaknesses of these papers are tabulated. It is concluded that trimethoprim-sulfamethoxazole may help with abscess cure, and will decrease abscess formation at new sites. PMID- 27864391 TI - A woman with swelling of the neck. PMID- 27864394 TI - BET 2: Low-dose ketamine for acute pain in the ED. AB - A short cut review was carried out to establish whether low-dose ketamine is better than morphine at safely and effectively reducing pain scores in ED patients with acute pain who do not respond to conventional therapies. One hundred and thirty-two papers were found using the reported searches, of these three presented the best evidence to answer the clinical question. The author, date and country of publication, patient group studied, study type, relevant outcomes, results and study weaknesses of these best papers are tabulated. It is concluded that the evidence is limited, but that ketamine can be an effective alternative or adjunct to intravenous opioid pain medications and in some instances may provide more effective pain relief when compared with opioids. PMID- 27864395 TI - The blue patient. PMID- 27864396 TI - Work Life and Family Life Collide: Online Support for New Fathers. AB - The purpose of this investigation was to analyze online discussions about parental leave in relation to the work lives and private lives of new fathers. A netnographic study of nearly 100 discussion threads from a freely accessible online forum for fathers was conducted. Data were coded, sorted, and categorized by qualitative similarities and differences. The results of the study indicate that new fathers seek Internet forums to discuss work-related topics. Parental leave can provoke worries and anxiety related to management and co-worker attitudes which can create concern that they should be back at work. The results are presented in two categories: (a) attitudes expressed by employers and colleagues and (b) leaving work but longing to be back. The phenomenon of parental leave for fathers is more complex than simply "for" or "against" attitudes. Fathers can use Internet forums to discuss their experiences, fears, and anxiety and provide reasonable accommodations for both work and family life. PMID- 27864397 TI - Sociodemographic distribution of non-communicable disease risk factors in rural Uganda: a cross-sectional study. PMID- 27864398 TI - Association of HIV and ART with cardiometabolic traits in sub-Saharan Africa: a systematic review and meta-analysis. PMID- 27864400 TI - Malaria in Uganda: school-based rapid diagnostic testing and treatment. PMID- 27864401 TI - Change in body size and mortality: a systematic review and meta-analysis. AB - Background: : Observational studies have reported that weight loss in later life is associated with an increased risk of mortality. However, the association with weight gain is unclear. We conducted a systematic review and meta-analysis of prospective studies assessing the association of weight gain and loss, and mortality. Methods: : We searched PubMed, Scopus and Web of Science for articles published before 5 September 2015. We included prospective studies that reported enough information to extract hazard ratios (HRs) with the corresponding 95% confidence intervals (CIs) for the association between weight gain and/or weight loss, and all-cause and cause-specific mortality. The estimates were pooled using a random-effects model. Meta-regression models were fitted to explore sources of potential between-study heterogeneity. Results: : A total of 25 (providing data from 437 772 participants with 34 038 deaths from all causes) and 24 studies (434 694 participants with 31 978 deaths) presented results for the exposures, weight loss and weight gain. Weight loss compared with a stable weight was associated with an increased risk of all-cause (pooled HR: 1.45; 95% CI: 1.34, 1.58), and cardiovascular disease (CVD) mortality (1.50; 1.32, 1.70) and a slightly increased risk of cancer mortality (1.19; 0.97, 1.46). Weight gain was associated with an increased risk of CVD mortality (1.21; 1.07, 1.36) and a slightly increased risk of all-cause mortality (1.07; 1.01, 1.13) and cancer mortality (1.04; 0.96, 1.13). Considerable heterogeneity was observed; the method used to ascertain body size and the proportion of the baseline sample included in the final analysis explained most of the heterogeneity. Conclusion: : Weight loss and weight gain in midlife are associated with increased risk of all-cause and CVD mortality. PMID- 27864399 TI - Novel genetic loci associated with long-term deterioration in blood lipid concentrations and coronary artery disease in European adults. AB - Background: Cross-sectional genome-wide association studies have identified hundreds of loci associated with blood lipids and related cardiovascular traits, but few genetic association studies have focused on long-term changes in blood lipids. Methods: Participants from the GLACIER Study (Nmax = 3492) were genotyped with the MetaboChip array, from which 29 387 SNPs (single nucleotide polymorphisms; replication, fine-mapping regions and wildcard SNPs for lipid traits) were extracted for association tests with 10-year change in total cholesterol (DeltaTC) and triglycerides (DeltaTG). Four additional prospective cohort studies (MDC, PIVUS, ULSAM, MRC Ely; Nmax = 8263 participants) were used for replication. We conducted an in silico look-up for association with coronary artery disease (CAD) in the Coronary ARtery DIsease Genome-wide Replication and Meta-analysis (CARDIoGRAMplusC4D) Consortium (N ~ 190 000) and functional annotation for the top ranking variants. Results: In total, 956 variants were associated (P < 0.01) with either DeltaTC or DeltaTG in GLACIER. In GLACIER, chr19:50121999 at APOE was associated with DeltaTG and multiple SNPs in the APOA1/A4/C3/A5 region at genome-wide significance (P < 5 * 10-8), whereas variants in four loci, DOCK7, BRE, SYNE1 and KCNIP1, reached study-wide significance (P < 1.7 * 10-6). The rs7412 variant at APOE was associated with DeltaTC in GLACIER (P < 1.7 * 10-6). In pooled analyses of all cohorts, 139 SNPs at six and five loci were associated with DeltaTC and for DeltaTG, respectively (P < 10-3). Of these, a variant at CAPN3 (P = 1.2 * 10-4), multiple variants at HPR (Pmin = 1.5 * 10-6) and a variant at SIX5 (P = 1.9 * 10-4) showed evidence for association with CAD. Conclusions: We identified seven novel genomic regions associated with long-term changes in blood lipids, of which three also raise CAD risk. PMID- 27864402 TI - Molecular genetic contributions to self-rated health. AB - Background: Poorer self-rated health (SRH) predicts worse health outcomes, even when adjusted for objective measures of disease at time of rating. Twin studies indicate SRH has a heritability of up to 60% and that its genetic architecture may overlap with that of personality and cognition. Methods: We carried out a genome-wide association study (GWAS) of SRH on 111 749 members of the UK Biobank sample. Univariate genome-wide complex trait analysis (GCTA)-GREML analyses were used to estimate the proportion of variance explained by all common autosomal single nucleotide polymorphisms (SNPs) for SRH. Linkage disequilibrium (LD) score regression and polygenic risk scoring, two complementary methods, were used to investigate pleiotropy between SRH in the UK Biobank and up to 21 health-related and personality and cognitive traits from published GWAS consortia. Results: The GWAS identified 13 independent signals associated with SRH, including several in regions previously associated with diseases or disease-related traits. The strongest signal was on chromosome 2 (rs2360675, P = 1.77 x 10 -10 ) close to KLF7 . A second strong peak was identified on chromosome 6 in the major histocompatibility region (rs76380179, P = 6.15 x 10 -10 ). The proportion of variance in SRH that was explained by all common genetic variants was 13%. Polygenic scores for the following traits and disorders were associated with SRH: cognitive ability, education, neuroticism, body mass index (BMI), longevity, attention-deficit hyperactivity disorder (ADHD), major depressive disorder, schizophrenia, lung function, blood pressure, coronary artery disease, large vessel disease stroke and type 2 diabetes. Conclusions: Individual differences in how people respond to a single item on SRH are partly explained by their genetic propensity to many common psychiatric and physical disorders and psychological traits. PMID- 27864404 TI - Causation, mediation and explanation. PMID- 27864403 TI - Using group data to treat individuals: understanding heterogeneous treatment effects in the age of precision medicine and patient-centred evidence. AB - Although often conflated, determining the best treatment for an individual (the task of a doctor) is fundamentally different from determining the average effect of treatment in a population (the purpose of a trial). In this paper, we review concepts of heterogeneity of treatment effects (HTE) essential in providing the evidence base for precision medicine and patient-centred care, and explore some inherent limitations of using group data (e.g. from a randomized trial) to guide treatment decisions for individuals. We distinguish between person-level HTE (i.e. that individuals experience different effects from a treatment) and group level HTE (i.e. that subgroups have different average treatment effects), and discuss the reference class problem, engendered by the large number of potentially informative subgroupings of a study population (each of which may lead to applying a different estimated effect to the same patient), and the scale dependence of group-level HTE. We also review the limitations of conventional 'one-variable-at-a-time' subgroup analyses and discuss the potential benefits of using more comprehensive subgrouping schemes that incorporate information on multiple variables, such as those based on predicted outcome risk. Understanding the conceptual underpinnings of HTE is critical for understanding how studies can be designed, analysed, and interpreted to better inform individualized clinical decisions. PMID- 27864405 TI - Prenatal exposure to mercury and neuropsychological development in young children: the role of fish consumption. AB - Background: Vulnerability of the central nervous system to mercury exposure is increased during early development. The aim of this study is to evaluate the association between prenatal exposure to mercury and child neuropsychological development in high-fish-intake areas in Spain. Methods: Study subjects were 1362 children, participants in the INMA (Environment and Childhood) birth cohort study. Cord blood total mercury (CB-Hg) and cord polyunsaturated fatty acids (PUFA) concentrations were analysed in samples collected between 2004 and 2008. Child neuropsychological development was assessed at age 4-5 years by the McCarthy Scales of Children's Abilities (MSCA). Socio-demographic, lifestyle and dietary information was obtained by questionnaires administered during pregnancy and childhood. Results: The geometric mean of CB-Hg was 8.8 ug/L [95% confidence interval (CI) 8.4, 9.2]. A doubling in CB-Hg was associated with higher scores in most of the MSCA scales ( beta =1.29; 95% CI 0.28, 2.31 for the general cognitive scale). The association between CB-Hg and the scores obtained on the scales was inverse among children whose mothers consumed fewer than three weekly servings of fish during the first trimester of pregnancy, although confidence intervals did not exclude the null ( beta =-1.20; 95% CI -2.62, 0.22 for the perceptive manipulative scale and beta =-3.06; 95% CI -6.37, 0.24 for the general cognitive scale). An inverse association between CB-Hg and the scores on the motor scale was also suggested for children with an n-6/n-3 PUFA ratio above the median ( beta =-0.23; 95% CI -0.87, 0.40, interaction p -value=0.03). Conclusion: The relationship between CB-Hg concentrations and child neuropsychological development was influenced by maternal nutritional factors, such as fish consumption and the PUFA status. PMID- 27864406 TI - Explanation in causal inference: developments in mediation and interaction. PMID- 27864408 TI - The epidemiology of two things considered together. Commentary on: Explanation in Causal Inference: Developments in Mediation and Interaction, by Tyler J. VanderWeele. PMID- 27864409 TI - Mediation, interaction, interference for social epidemiology. PMID- 27864411 TI - Commentary: Increasing uptake of HIV testing: gifts are good but more is needed. PMID- 27864410 TI - Effectiveness of motivational interviewing interventions on medication adherence in adults with chronic diseases: a systematic review and meta-analysis. AB - Background: Medication adherence is frequently suboptimal in adults with chronic diseases, resulting in negative consequences. Motivational interviewing (MI) is a collaborative conversational style for strengthening a person's motivation and commitment to change. We aimed to assess whether MI interventions are effective to enhance medication adherence in adults with chronic diseases and to explore the effect of individual MI intervention characteristics. Methods: We searched electronic databases and reference lists of relevant articles to find randomized controlled trials (RCTs) that assessed MI intervention effectiveness on medication adherence in adults with chronic diseases. A random-effects model was used to estimate a pooled MI intervention effect size and its heterogeneity (I 2 ). We also explored the effects of individual MI characteristics on MI intervention effect size using a meta-regression with linear mixed model. Results: : Nineteen RCTs were identified, and 16 were included in the meta analysis. The pooled MI intervention effect size was 0.12 [95% confidence interval (CI) = (0.05, 0.20), I 2 = 1%]. Interventions that were based on MI only [beta = 0.183, 95% CI = (0.004, 0.362)] or those in which interventionists were coached during intervention implementation [beta = 0.465, 95% CI = (0.028, 0.902)] were the most effective. MI interventions that were delivered solely face to face were more effective than those that were delivered solely by phone [beta = 0.270, 95% CI = (0.041, 0.498)]. Conclusions: This synthesis of RCTs suggests that MI interventions might be effective at enhancing of medication adherence in adults treated for chronic diseases. Further research is however warranted, as the observed intervention effect size was small. PMID- 27864412 TI - Multilevel regression modelling to investigate variation in disease prevalence across locations. AB - In this article, we show how to investigate the role of individual (personal) risk factors in outcome prevalence in multicentre studies with multilevel modelling. The variation in outcome prevalence is modelled by introducing a random intercept. In the next step, the empty model is compared with the model containing the risk factor(s). Because the outcome is dichotomous, this comparison can only be carried out after having rescaled the models' parameter values to the variance of an underlying continuous variable. We illustrate this approach with data from Phase Two of the International Study of Asthma and Allergies in Childhood (ISAAC) and provide a corresponding Stata do-file. PMID- 27864413 TI - Cohort Profile: Collaboration of Observational HIV Epidemiological Research Europe (COHERE) in EuroCoord. PMID- 27864416 TI - Correction. PMID- 27864414 TI - Author's reply: The role of potential outcomes thinking in assessing mediation and interaction. PMID- 27864417 TI - Tumor Thickness and Mitotic Rate Robustly Predict Melanoma-Specific Survival in Patients with Primary Vulvar Melanoma: A Retrospective Review of 100 Cases. AB - Purpose: Primary vulvar melanoma (PVM) is the second most common vulvar malignancy. Despite their distinct anatomic site and unique molecular-genetic alterations, PVMs are staged according to the American Joint Committee on Cancer (AJCC) guidelines for primary cutaneous melanomas (PCM). However, whether parameters derived for PCM also apply to PVM remain a critical yet largely unexplored clinical question. The objective of this study was to determine the parameters predictive of survival in PVM.Experimental Design: We retrospectively reviewed 100 patients with PVM and determined associations between clinical and histopathologic parameters and disease-specific survival (DSS) and overall survival (OS).Results: Univariate Cox regression analysis demonstrated older age (>56 years), greater tumor thickness, higher dermal mitotic rate, ulceration, lymphovascular invasion, perineural invasion, microscopic satellitosis, and absence of precursor nevus associated with decreased OS. Furthermore, age, midline, and/or multifocal involvement, greater tumor thickness, higher dermal mitotic rate, ulceration, lack of regression, lymphovascular invasion, perineural invasion, and microscopic satellitosis associated with decreased DSS. Multivariate analysis demonstrated tumor thickness, dermal mitotic rate, lymphovascular invasion, microscopic satellitosis, and absence of precursor nevus independently predicted shorter OS. Only tumor thickness and increased dermal mitotic rate (>=2/mm2) independently predicted reduced DSS. In comparison with the AJCC T-category, a novel, bivariate T-category based only on tumor thickness and dermal mitotic rate robustly predicted OS and DSS in our patient cohort.Conclusions: In the largest single institutional study of PVM, we demonstrate a combination of tumor thickness and mitotic rate comprise a simple but robust T-category to direct staging and prognosis. Clin Cancer Res; 23(8); 2093-104. (c)2016 AACR. PMID- 27864418 TI - AMPK-ULK1-Mediated Autophagy Confers Resistance to BET Inhibitor JQ1 in Acute Myeloid Leukemia Stem Cells. AB - Purpose: Bromodomain and extraterminal domain (BET) inhibitors are promising epigenetic agents for the treatment of various subsets of acute myeloid leukemia (AML). However, the resistance of leukemia stem cells (LSC) to BET inhibitors remains a major challenge. In this study, we evaluated the mechanisms underlying LSC resistance to the BET inhibitor JQ1.Experimental Design: We evaluated the levels of apoptosis and autophagy induced by JQ1 in LSC-like leukemia cell lines and primary CD34+CD38- leukemic blasts obtained from AML cases with normal karyotype without recurrent mutations.Results: JQ1 effectively induced apoptosis in a concentration-dependent manner in JQ1-sensitive AML cells. However, in JQ1 resistant AML LSCs, JQ1 induced little apoptosis and led to upregulation of beclin-1, increased LC3-II lipidation, formation of autophagosomes, and downregulation of p62/SQSTM1. Inhibition of autophagy by pharmacologic inhibitors or knockdown of beclin-1 using specific siRNA enhanced JQ1-induced apoptosis in resistant cells, indicating that prosurvival autophagy occurred in these cells. Independent of mTOR signaling, activation of the AMPK (pThr172)/ULK1 (pSer555) pathway was found to be associated with JQ1-induced autophagy in resistant cells. AMPK inhibition using the pharmacologic inhibitor compound C or by knockdown of AMPKalpha suppressed autophagy and promoted JQ1-induced apoptosis in AML LSCs.Conclusions: These findings revealed that prosurvival autophagy was one of the mechanisms involved in the resistance AML LSCs to JQ1. Targeting the AMPK/ULK1 pathway or inhibition of autophagy could be an effective therapeutic strategy for combating resistance to BET inhibitors in AML and other types of cancer. Clin Cancer Res; 23(11); 2781-94. (c)2016 AACR. PMID- 27864419 TI - How Subclonal Modeling Is Changing the Metastatic Paradigm. AB - A concerted effort to sequence matched primary and metastatic tumors is vastly improving our ability to understand metastasis in humans. Compelling evidence has emerged that supports the existence of diverse and surprising metastatic patterns. Enhancing these efforts is a new class of algorithms that facilitate high-resolution subclonal modeling of metastatic spread. Here we summarize how subclonal models of metastasis are influencing the metastatic paradigm. Clin Cancer Res; 23(3); 630-5. (c)2016 AACR. PMID- 27864420 TI - The Landscape of Viral Expression Reveals Clinically Relevant Viruses with Potential Capability of Promoting Malignancy in Lower-Grade Glioma. AB - Purpose: RNA sequencing (RNA-seq) has recently proved to be effective for revealing novel virus-tumor associations. To get a thorough investigation of virus-glioma associations, we screened viruses in gliomas with RNA-seq data from the Chinese Glioma Genome Atlas project.Experimental Design: In total, 325 samples were enrolled into this study. Reads that failed to map to the human genome were aligned to viral genomes and screened for potential virus-derived transcripts. For quantification, VPKM was calculated according to mapped reads weighted by genome sizes and sequencing depth.Results: We observed that viruses tended to concertedly express in a certain subgroup of patients. Survival analysis revealed that individuals who were infected with Simian virus 40 (SV40) or woolly monkey sarcoma virus (WMSV) had a significantly shorter overall survival than those uninfected. A multivariate Cox proportional hazards model, taking clinical and molecular factors into account, was applied to assess the prognostic value of SV40 and WMSV. Both SV40 and WMSV were independent prognostic factors for predicting patient's survival in lower-grade gliomas. Subsequent gene analysis demonstrated that SV40 was correlated with regulation of transcription, whereas WMSV was correlated with cell-cycle phase, which indicated frequent proliferation of tumor cells.Conclusions: RNA-seq was sufficient to identify virus infection in glioma samples. SV40 and WMSV were identified to be prognostic markers for patients with lower-grade gliomas and showed potential values for targeting therapy. Clin Cancer Res; 23(9); 2177-85. (c)2016 AACR. PMID- 27864423 TI - The Right Stand by ASM regarding Journal Impact Factors. PMID- 27864424 TI - Erratum for Voelz et al., Cytokine Signaling Regulates the Outcome of Intracellular Macrophage Parasitism by Cryptococcus neoformans. PMID- 27864426 TI - Intraspinal pressure and spinal cord perfusion pressure predict neurological outcome after traumatic spinal cord injury. PMID- 27864425 TI - Isoform-Specific Biased Agonism of Histamine H3 Receptor Agonists. AB - The human histamine H3 receptor (hH3R) is subject to extensive gene splicing that gives rise to a large number of functional and nonfunctional isoforms. Despite the general acceptance that G protein-coupled receptors can adopt different ligand-induced conformations that give rise to biased signaling, this has not been studied for the H3R; further, it is unknown whether splice variants of the same receptor engender the same or differential biased signaling. Herein, we profiled the pharmacology of histamine receptor agonists at the two most abundant hH3R splice variants (hH3R445 and hH3R365) across seven signaling endpoints. Both isoforms engender biased signaling, notably for 4-[3-(benzyloxy)propyl]-1H imidazole (proxyfan) [e.g., strong bias toward phosphorylation of glycogen synthase kinase 3beta (GSK3beta) via the full-length receptor] and its congener 3 (1H-imidazol-4-yl)propyl-(4-iodophenyl)-methyl ether (iodoproxyfan), which are strongly consistent with the former's designation as a "protean" agonist. The 80 amino acid IL3 deleted isoform hH3R365 is more permissive in its signaling than hH3R445: 2-(1H-imidazol-5-yl)ethyl imidothiocarbamate (imetit), proxyfan, and iodoproxyfan were all markedly biased away from calcium signaling, and principal component analysis of the full data set revealed divergent profiles for all five agonists. However, most interesting was the identification of differential biased signaling between the two isoforms. Strikingly, hH3R365 was completely unable to stimulate GSK3beta phosphorylation, an endpoint robustly activated by the full length receptor. To the best of our knowledge, this is the first quantitative example of differential biased signaling via isoforms of the same G protein coupled receptor that are simultaneously expressed in vivo and gives rise to the possibility of selective pharmacological targeting of individual receptor splice variants. PMID- 27864427 TI - Dyskinesia in Treatment-Naive and Stimulant-Treated Children With ADHD. AB - OBJECTIVE: Stimulants are safe and effective medications for the treatment of ADHD. There are a number of case studies that report stimulant-induced dyskinesia. The aim of this study was to compare dyskinesia in a treated and a treatment-naive group of children with ADHD, and a healthy control group. METHOD: Children aged 6 to 18 years were involved in the study (n = 158). Diagnosis of ADHD was measured with the Mini International Neuropsychiatric Interview Kid (MINI Kid). Dyskinesia was assessed with the Abnormal Involuntary Movement Scale (AIMS). RESULTS: Before methylphenidate administration, the treated ADHD group showed significantly higher AIMS total score than the control group (p = .001) and the treatment-naive ADHD group (p < .001). We found the same pattern 1.5 hr after methylphenidate administration. CONCLUSION: These results call attention that clinicians should take special care for the possible development of dyskinesia during the treatment of their ADHD patients with methylphenidate. PMID- 27864429 TI - Association Between Auditory and Visual Continuous Performance Tests in Students With ADHD. AB - OBJECTIVE: Continuous Performance Tests (CPTs) are known to measure inattention and impulsivity in students with ADHD. Many CPTs utilize a visual format. It is accepted that auditory tasks reflect attentional demand more closely in the classroom. Thus, the association between deficits found by auditory and visual CPTs needs to be studied. We hypothesized that impulsivity would be dependent on sensory modality and inattention would be a unitary cross-modal construct. METHOD: Forty-four students with ADHD performed two CPTs (visual and auditory). We analyzed correlations between the variables examined by the two tasks. RESULTS: There were strong correlations between variables measuring inattention. Correlations between auditory and visual measures of impulsivity were weak. CONCLUSION: Inattention is partially independent of modality. In contrast, response inhibition is modality-specific. Although ADHD is defined regardless of modality, hyperactive students may exhibit deficits in the auditory modality but not in the visual modality or vice versa. PMID- 27864428 TI - Adults With Persistent ADHD: Gender and Psychiatric Comorbidities-A Population Based Longitudinal Study. AB - OBJECTIVE: The aim of the study was to evaluate associations between ADHD and comorbid psychiatric disorders among adults from a population-based birth cohort. METHOD: Participants were recruited from all children born between 1976 and 1982 remaining in Rochester, Minnesota, after age 5. Participants with childhood ADHD ( n = 232; M age = 27.0 years; 72% men) and non-ADHD controls ( n = 335; M age = 28.6 years; 63% men) completed a structured interview (M.I.N.I. International Neuropsychiatric Interview) assessing current ADHD status and comorbid psychiatric disorders. RESULTS: Among 232 with childhood ADHD, 68 (49 men, 19 women) had persistent adult ADHD. Compared with non-ADHD controls and non persistent ADHD participants, adults with persistent ADHD were significantly more likely to have any or each of 12 psychiatric comorbidities. The associations retained significant or marginally significant when stratified by gender. Externalizing psychiatric disorders were more common in men (74%) and internalizing disorders in women (58%). CONCLUSION: Persistent ADHD is associated with an increased risk of comorbid psychiatric disorders in adult men and women. PMID- 27864430 TI - APOL1-G1 in Nephrocytes Induces Hypertrophy and Accelerates Cell Death. AB - People of African ancestry carrying certain APOL1 mutant alleles are at elevated risk of developing renal diseases. However, the mechanisms underlying APOL1 associated renal diseases are unknown. Because the APOL1 gene is unique to humans and some primates, new animal models are needed to understand the function of APOL1 in vivo We generated transgenic Drosophila fly lines expressing the human APOL1 wild type allele (G0) or the predominant APOL1 risk allele (G1) in different tissues. Ubiquitous expression of APOL1 G0 or G1 in Drosophila induced lethal phenotypes, and G1 was more toxic than was G0. Selective expression of the APOL1 G0 or G1 transgene in nephrocytes, fly cells homologous to mammalian podocytes, induced increased endocytic activity and accumulation of hemolymph proteins, dextran particles, and silver nitrate. As transgenic flies with either allele aged, nephrocyte function declined, cell size increased, and nephrocytes died prematurely. Compared with G0-expressing cells, however, G1-expressing cells showed more dramatic phenotypes, resembling those observed in cultured mammalian podocytes overexpressing APOL1-G1. Expressing the G0 or G1 APOL1 transgene in nephrocytes also impaired the acidification of organelles. We conclude that expression of an APOL1 transgene initially enhances nephrocyte function, causing hypertrophy and subsequent cell death. This new Drosophila model uncovers a novel mechanism by which upregulated expression of APOL1-G1 could precipitate renal disease in humans. Furthermore, this model may facilitate the identification of APOL1-interacting molecules that could serve as new drug targets to treat APOL1 associated renal diseases. PMID- 27864432 TI - Underemployment and mental health: comparing fixed-effects and random-effects regression approaches in an Australian working population cohort. AB - OBJECTIVES: Underemployment occurs when workers are available for more hours of work than offered. It is a serious problem in many Organisation for Economic Co operation and Development (OECD) countries, and particularly in Australia, where it affects about 8% of the employed population. This paper seeks to answer the question: does an increase in underemployment have an influence on mental health? METHODS: The current paper uses data from an Australian cohort of working people (2001-2013) to investigate both within-person and between-person differences in mental health associated with being underemployed compared with being fully employed. The main exposure was underemployment (not underemployed, underemployed 1-5, 6-10, 11-20 and over 21 hours), and the outcome was the five-item Mental Health Inventory. RESULTS: Results suggest that stepwise declines in mental health are associated with an increasing number of hours underemployed. Results were stronger in the random-effects (11-20 hours =-1.53, 95% CI -2.03 to -1.03, p<0.001; 21 hours and over -2.24, 95% CI -3.06 to -1.43, p<0.001) than fixed effects models (11-20 hours =-1.11, 95% CI -1.63 to -0.58, p<0.001; 21 hours and over -1.19, 95% CI -2.06 to -0.32, p=0.008). This likely reflects the fact that certain workers were more likely to suffer the negative effects of underemployment than others (eg, women, younger workers, workers in lower-skilled jobs and who were casually employed). CONCLUSIONS: We suggest underemployment to be a target of future workplace prevention strategies. PMID- 27864431 TI - APOL1-Mediated Cell Injury Involves Disruption of Conserved Trafficking Processes. AB - APOL1 harbors C-terminal sequence variants (G1 and G2), which account for much of the increased risk for kidney disease in sub-Saharan African ancestry populations. Expression of the risk variants has also been shown to cause injury to podocytes and other cell types, but the underlying mechanisms are not understood. We used Drosophila melanogaster and Saccharomyces cerevisiae to help clarify these mechanisms. Ubiquitous expression of the human APOL1 G1 and G2 disease risk alleles caused near-complete lethality in D. melanogaster, with no effect of the G0 nonrisk APOL1 allele, corresponding to the pattern of human disease risk. We also observed a congruent pattern of cellular damage with tissue specific expression of APOL1. In particular, expression of APOL1 risk variants in D. melanogaster nephrocytes caused cell-autonomous accumulation of the endocytic tracer atrial natriuretic factor-red fluorescent protein at early stages and nephrocyte loss at later stages. We also observed differential toxicity of the APOL1 risk variants compared with the APOL1 nonrisk variants in S. cerevisiae, including impairment of vacuole acidification. Yeast strains defective in endosomal trafficking or organelle acidification but not those defective in autophagy displayed augmented APOL1 toxicity with all isoforms. This pattern of differential injury by the APOL1 risk alleles compared with the nonrisk alleles across evolutionarily divergent species is consistent with an impairment of conserved core intracellular endosomal trafficking processes. This finding should facilitate the identification of cell injury pathways and corresponding therapeutic targets of interest in these amenable experimental platforms. PMID- 27864433 TI - Effect of occupational physical activities on vertebral dimensions in midlife in the Northern Finland Birth Cohort 1966. AB - OBJECTIVES: The vertebral cross-sectional area (CSA) is a major determinant of vertebral strength. Since leisure-time physical activity (LTPA) is known to affect vertebral CSA, we hypothesised that engagement in physical activity at work might have similar effects on vertebral size. We aimed to examine the association between various adulthood occupational physical activities (OPA) and vertebral CSA, and to evaluate the association between OPA intensity and vertebral CSA. METHODS: We used the prospective population-based Northern Finland Birth Cohort 1966. Our sample consisted of 712 participants with a mean age of 46.8 years. We assessed their engagement in various individual physical work activities at the ages of 31 and 46, and created overall OPA categories (high, moderate and low intensity), which we used in the analyses to study their association with vertebral CSA in middle age. Linear regression was used as the statistical method with adjustments for LTPA, vertebral height, body mass index and smoking. RESULTS: A statistically significant association was found between occupational sitting and smaller vertebral CSA in men, but only at the age of 31 (49.2 mm2 smaller among those who sit often vs rarely (95% CI -96.0 to -2.4)). No significant differences were detected between OPA categories and vertebral CSA (p>0.05). Thus, we found no consistent association between OPA and vertebral size among either sex. CONCLUSIONS: OPA seems to have very little effect on vertebral size. Our results suggest that the effect of LTPA on vertebral size is different to that of OPA. PMID- 27864434 TI - Occupational causes of amyotrophic lateral sclerosis: where to from here? PMID- 27864436 TI - BASHH annual conference. PMID- 27864437 TI - Sex and relationships education (SRE) in schools: feedback from the Sexpectations Project, Hastings, UK. PMID- 27864439 TI - Effectiveness of harm reduction education on decreasing risky-behaviour among injecting drug users in Egypt. PMID- 27864438 TI - Monitoring and assessment of bone mineral density in HIV-infected individuals. PMID- 27864440 TI - Clinical round-up. PMID- 27864441 TI - Essentials of anatomic pathology. PMID- 27864444 TI - Simultaneous Burst Imaging of Dual Species Using Planar Laser-Induced Fluorescence at 50 kHz in Turbulent Premixed Flames. AB - Spatially and temporally resolved measurements are of great importance in turbulent premixed flame studies, especially when investigating rapid processes such as when flame local extinction, re-ignition, or flashback occur in a reacting flow. Here, an experimental approach for simultaneously probing two different species at high frame rates (50 kHz) is presented by employing a multi YAG laser system. The laser radiation at 355 nm generated by a multi-YAG laser system was split into two beam paths: one beam for exciting formaldehyde and the other for pumping an optical parametric oscillator (OPO). To be able to capture the resulting fluorescence at such a high frame rate without significant loss in spatial resolution, two framing cameras, containing a total of 16 intensified charge-coupled devices (CCDs), were employed. In principle, the proposed setup provides the possibility of probing formaldehyde and simultaneously accessing the distribution of one other relevant species at this high frame rate. In this demonstration, the laser wavelength was tuned to 283 nm and, in conjunction with the 355 nm beam path, simultaneously high speed two-dimensional (2D) visualization of OH-radicals and formaldehyde was achieved. A modified flat flame, McKenna-type burner was used to provide a turbulent premixed jet-flame supported by a surrounding pilot flame. Local flame extinction and re-ignition processes were recorded for fuel/air jet speeds of 120 m/s. PMID- 27864442 TI - Two Trichome Birefringence-Like Proteins Mediate Xylan Acetylation, Which Is Essential for Leaf Blight Resistance in Rice. AB - Acetylation is a ubiquitous modification on cell wall polymers, which play a structural role in plant growth and stress defenses. However, the mechanisms for how crop plants accomplish cell wall polymer O-acetylation are largely unknown. Here, we report on the isolation and characterization of two trichome birefringence-like (tbl) mutants in rice (Oryza sativa), which are affected in xylan O-acetylation. ostbl1 and ostbl2 single mutant and the tbl1 tbl2 double mutant displayed a stunted growth phenotype with varied degree of dwarfism. As shown by chemical assays, the wall acetylation level is affected in the mutants and the knock-down and overexpression transgenic plants. Furthermore, NMR spectroscopy analyses showed that all those mutants have varied decreases in xylan monoacetylation. The divergent expression levels of OsTBL1 and OsTBL2 explained the chemotype difference and indicated that OsTBL1 is a functionally dominant gene. OsTBL1 was found to be Golgi-localized. The recombinant OsTBL1 protein incorporates acetyl groups onto xylan. By using xylopentaose, a preferred acceptor substrate, OsTBL1 can transfer up to four acetyl residues onto xylopentaose, and this activity showed saturable kinetics. 2D-NMR spectroscopy showed that OsTBL1 transfers acetate to both 2-O and 3-O sites of xylosyl residues. In addition, ostbl1 and tbl1 tbl2 displayed susceptibility to rice blight disease, indicating that this xylan modification is required for pathogen resistance. This study identifies the major genes responsible for xylan acetylation in rice plants. PMID- 27864445 TI - Comparison of Fiber Optic and Conduit Attenuated Total Reflection (ATR) Fourier Transform Infrared (FT-IR) Setup for In-Line Fermentation Monitoring. AB - The performance of a fiber optic and an optical conduit in-line attenuated total reflection mid-infrared (IR) probe during in situ monitoring of Penicillium chrysogenum fermentation were compared. The fiber optic probe was connected to a sealed, portable, Fourier transform infrared (FT-IR) process spectrometer via a plug-and-play interface. The optical conduit, on the other hand, was connected to a FT-IR process spectrometer via a knuckled probe with mirrors that had to be adjusted prior to each fermentation, which were purged with dry air. Penicillin V (PenV) and its precursor phenoxyacetic acid (POX) concentrations were determined by online high-performance liquid chromatography and the obtained concentrations were used as reference to build partial least squares regression models. Cross validated root-mean-square errors of prediction were found to be 0.2 g L-1 (POX) and 0.19 g L-1 (PenV) for the fiber optic setup and 0.17 g L-1 (both POX and PenV) for the conduit setup. Higher noise-levels and spectrum-to-spectrum variations of the fiber optic setup lead to higher noise of estimated (i.e., unknown) POX and PenV concentrations than was found for the conduit setup. It seems that trade-off has to be made between ease of handling (fiber optic setup) and measurement accuracy (optical conduit setup) when choosing one of these systems for bioprocess monitoring. PMID- 27864443 TI - Integrative Approaches for the Identification and Localization of Specialized Metabolites in Tripterygium Roots. AB - Members of the genus Tripterygium are known to contain an astonishing diversity of specialized metabolites. The lack of authentic standards has been an impediment to the rapid identification of such metabolites in extracts. We employed an approach that involves the searching of multiple, complementary chromatographic and spectroscopic data sets against the Spektraris database to speed up the metabolite identification process. Mass spectrometry-based imaging indicated a differential localization of triterpenoids to the periderm and sesquiterpene alkaloids to the cortex layer of Tripterygium roots. We further provide evidence that triterpenoids are accumulated to high levels in cells that contain suberized cell walls, which might indicate a mechanism for storage. To our knowledge, our data provide first insights into the cell type specificity of metabolite accumulation in Tripterygium and set the stage for furthering our understanding of the biological implications of specialized metabolites in this genus. PMID- 27864446 TI - Simultaneous Imaging and Spectroscopy of Detonation Interaction in Reactive and Energetic Materials. AB - A dual framing camera system was coupled with custom-designed ultrafast imaging spectrometer optics to yield simultaneous imaging and imaging spectroscopy of extremely short detonation interaction events in reactive materials. For short exposures of 100 ns or less, spectral resolutions of 2.4 A are achievable, allowing for time-resolved identification of key intermediate species evolving from prompt reaction. Under some circumstances, emission can be fit to a local emission temperature, assuming the optically thin limit. Applications to reactive metal systems involving aluminum, magnesium, titanium, boron, and silicon are demonstrated. PMID- 27864447 TI - Analysis of the Thermo-Reflectivity Coefficient Influence Using Photothermal Pump Probe Techniques. AB - Recent improvements in the modeling of photo-induced thermo-optical-mechanical effects have broadened the application of photothermal techniques to a large class of solids and fluids. During laser excitation, changes in optical reflectivity due to temperature variation may affect the photothermal signal. In this study, the influence of the reflectivity change due to heating is analyzed for two pump-probe photothermal techniques, thermal lens and thermal mirror. A linear equation for the temperature dependence of the reflectivity is derived, and the solution is tested using optical properties of semi-transparent and opaque materials. For semi-transparent materials, the influence of the reflectivity change in photothermal signals is less than 0.01%, while for opaque materials it is lower than 3%. PMID- 27864448 TI - Evaluation of a rapid antigen test for detection of Streptococcus pneumoniae in cerebrospinal fluid. AB - Detection of Streptococcus pneumoniae antigen in cerebrospinal fluid (CSF) using lateral flow immunochromatography tests (ICTs) is an effective, rapid and low cost method to diagnose pneumococcal meningitis. This study evaluated the diagnostic accuracy of the Uni-Gold ICT to detect pneumococcal antigen in CSF specimens, compared with gold standard bacteriology and quantitative real-time PCR (qPCR) testing. CSF specimens (n=69) from patients with suspected bacterial meningitis were included in the study. 13/69 (19%) were positive and 56/69 (81%) were negative for pneumococcus by the gold standard tests. The ICT had sensitivity of 85% (55%-98%), specificity of 96% (88%-100%), positive likelihood ratio of 23.7 (6-94) and negative likelihood ratio of 0.16 (0.04-0.57). Overall, a strong correlation between the ICT and qPCR results was seen (kappa=0.81). In contrast, CSF microscopy and culture were exceptionally insensitive. The ICT method is sufficiently robust and accurate for use in algorithms to diagnose bacterial meningitis. PMID- 27864449 TI - What are the critical steps in processing blood cultures? A prospective audit evaluating current practice of reporting blood cultures in a centralised laboratory serving secondary care hospitals. AB - AIMS: To assess current procedures of processing positive blood cultures against national standards with an aim to evaluate its clinical impact and to determine the utility of currently available rapid identification and susceptibility tests in processing of blood cultures. METHODS: Blood cultures from three secondary care hospitals, processed at a centralised laboratory, were prospectively audited. Data regarding processing times, communication with prescribers, changes to patient management and mortality within 30 days of a significant blood culture were collected in a preplanned pro forma for a 4-week period. RESULTS: Of 2206 blood cultures, 211 positive blood cultures flagged positive. Sixty-nine (3.1%) of all cultures were considered to be contaminated. Fifty per cent of blood cultures that flagged positive had a Gram stain reported within 2 hours. Two (0.99%) patients with a significant bacteraemia had escalation of antimicrobial treatment at the point of reporting the Gram stain that was subsequently deemed necessary once sensitivity results were known. Most common intervention was de escalation of therapy for Gram-positive organisms at the point of availability of pathogen identification (25.6% in Gram positive vs 10% in Gram negative; p=0.012). For Gram-negative organisms, the most common intervention was de escalation of therapy at the point of availability of sensitivity results (43% in Gram negatives vs 17.9% in Gram positive; p=0.0097). Overall mortality within 30 days of a positive blood culture was 10.9% (23/211). Antibiotic resistance may have contributed to mortality in four of these patients (three Gram negative and one Gram positive). CONCLUSION: Gram stain result had the least impact on antibiotic treatment interventions (escalation or de-escalation). Tests that improve identification time for Gram-positive pathogens and sensitivity time for Gram-negative pathogens had the greatest impact in making significant changes to antimicrobial treatment. PMID- 27864451 TI - Reacquisition of E-cadherin expression in metastatic deposits of signet-ring cell carcinoma of the upper gastrointestinal system: a potential anchor for metastatic deposition. AB - AIMS: To examine the expression of E-cadherin in paired primary and metastatic signet-ring cell carcinomas (SRCC) of various organ systems in order to explore the potential role of the molecule in metastatic dissemination of this unique tumour type. METHODS: Thirty-seven consecutive cases of SRCC from various organs with paired primary and metastatic tumorous tissue available were retrieved. The intensity of membranous E-cadherin expression was semiquantitatively scored on a scale of 0-3+. RESULTS: Reduced E-cadherin expression was a distinct feature of primary SRCC and was observed in 78% of primary tumours. Interestingly, the E cadherin reduction was less frequently seen in metastatic SRCC when compared with their primary counterparts, and was only found in 57% of tumours in lymph node metastases or at distant sites of relapse. Furthermore, the mean score of E cadherin expression of primary SRCC was significantly lower than that of their metastatic counterparts (2.3 vs 1.8; p=0.008). When divided by organ systems, the reacquisition of E-cadherin expression in the metastatic deposits was most remarkable in the SRCC of upper gastrointestinal tract origin (2.3 vs 1.4; p=0.003), whereas no significant difference was observed in other organ systems. CONCLUSIONS: While the reduction of E-cadherin in primary SRCC supports its pivotal role in epithelial-mesenchymal transition, a process crucial in tumour progression and metastatic dissemination, the re-expression of this molecule in metastatic SRCC cells implies a reversal to their epithelial phenotype (thus mesenchymal-epithelial transition) which, in turn, theoretically helps tumour cells to anchor and form cohesive metastatic deposits. PMID- 27864450 TI - MAGE-A family expression is correlated with poor survival of patients with lung adenocarcinoma: a retrospective clinical study based on tissue microarray. AB - OBJECTIVES: As the best characterised cancer/testis antigen family members, melanoma-associated antigens (MAGE) have been reported to be expressed in various malignant tumours. However, the expression pattern of MAGE-A family in lung adenocarcinoma (LAC) specimens and their prognostic and therapeutic significance for patients with LAC is still unclear. MATERIALS AND METHODS: Tissue microarray based immunohistochemistry analysis was used to examine the expression of MAGE-A family members (including MAGE-A1, A2, A3, A4, A6, A10, A11 and A12) in 105 paired LAC specimens and the corresponding pericarcinoma specimens. The association between MAGE-A expression and the clinicopathological parameters, and the 10-year overall survival of patients with LAC were analysed. In addition, the association between MAGE-A expression and the epithelial growth factor receptor (EGFR) amplification and ALK-EML4 rearrangements of patients with LAC were also analysed. RESULTS: The immunohistochemical evaluation revealed that MAGE-A family was expressed in 46.66% of LAC specimens, but not in the corresponding pericarcinoma specimens. MAGE-A expression was not associated with the clinicopathological factors but with worse 10-year survival, and was a poor prognostic marker for patients with LAC. MAGE-A expression was not correlated with EGFR amplification and ALK rearrangements. Interestingly, MAGE-A expression can affect the overall survival of patients with LAC without EGFR amplification or ALK rearrangements, but not affect the overall survival of patients with LAC and EGFR amplification or ALK rearrangements. CONCLUSIONS: Molecular assessment of MAGE-A family members could be considered to improve the prognostic evaluation and to provide a new potential therapeutic strategy for patients with LAC. PMID- 27864452 TI - Identifying progression predictors of breast ductal carcinoma in situ. AB - Ductal carcinoma in situ (DCIS) refers to neoplastic epithelial cells proliferating within the mammary ducts of the breast, which have not breached the basement membrane nor invaded surrounding tissues. Traditional thinking holds that DCIS represents an early step in a linear progression towards invasive ductal carcinoma (IDC). However, as only approximately half of DCIS cases progress to IDC, important questions around the key determinants of malignant progression need to be answered. Recent studies have revealed that molecular differences between DCIS and IDC cells are not found at the genomic level; instead, altered patterns of gene expression and post-translational regulation lead to distinct transcriptomic and proteomic profiles. Therefore, understanding malignant progression will require a different approach that takes into account the diverse tumour cell extrinsic factors driving changes in tumour cell gene expression necessary for the invasive phenotype. Here, we review the roles of the tumour stroma (including mesenchymal cells, immune cells and the extracellular matrix) and myoepithelial cells in malignant progression and make a case for a more integrated approach to the study and assessment of DCIS and its progression, or lack thereof, to invasive disease. PMID- 27864453 TI - Glial cells and energy balance. AB - The search for new strategies and drugs to abate the current obesity epidemic has led to the intensification of research aimed at understanding the neuroendocrine control of appetite and energy expenditure. This intensified investigation of metabolic control has also included the study of how glial cells participate in this process. Glia, the most abundant cell type in the central nervous system, perform a wide spectrum of functions and are vital for the correct functioning of neurons and neuronal circuits. Current evidence indicates that hypothalamic glia, in particular astrocytes, tanycytes and microglia, are involved in both physiological and pathophysiological mechanisms of appetite and metabolic control, at least in part by regulating the signals reaching metabolic neuronal circuits. Glia transport nutrients, hormones and neurotransmitters; they secrete growth factors, hormones, cytokines and gliotransmitters and are a source of neuroprogenitor cells. These functions are regulated, as glia also respond to numerous hormones and nutrients, with the lack of specific hormonal signaling in hypothalamic astrocytes disrupting metabolic homeostasis. Here, we review some of the more recent advances in the role of glial cells in metabolic control, with a special emphasis on the differences between glial cell responses in males and females. PMID- 27864454 TI - Minimal Medial Injury After Orbital Atherectomy. PMID- 27864455 TI - Commentary: Internal Iliac Artery Embolization During EVAR. PMID- 27864456 TI - Endovascular Treatment of Common Iliac Artery Aneurysms With an Iliac Branch Device: Multicenter Experience of 140 Patients. AB - PURPOSE: To evaluate the efficacy, feasibility, and long-term outcomes of the Zenith ZBIS iliac branch device (IBD) to preserve internal iliac artery (IIA) perfusion in a large Dutch multicenter cohort. METHODS: Between September 2004 and August 2015, 140 patients (mean age 70.9+/-7.4 years; 130 men) with 162 IBD implantations were identified in 7 vascular centers. The indication for IBD implantation was an abdominal aortic aneurysm >55 mm with a concomitant common iliac artery (CIA) aneurysm >20 mm (n=40), a CIA aneurysm with a diameter >30 mm (n=89), or revision of a type Ib endoleak after endovascular aneurysm repair (n=11). RESULTS: Technical success (aneurysm exclusion, no type I or III endoleak, and a patent IIA) was obtained in 157 (96.9%) of 162 IBD implantations. Six (4.3%) patients developed major complications; 2 (1.4%) died. Mean follow-up was 26.6+/-24.1 months, during which 17 (12.1%) IBD-associated secondary interventions were performed. Including technical failures and intentional IIA embolizations, 15 (9.3%) IIA branch occlusions were identified; buttock claudication developed in 6 of these patients. The freedom from secondary intervention estimate was 75.9% (95% confidence interval 59.7 to 86.3) at 5 years. CONCLUSION: CIA aneurysms can be treated safely and effectively by IBDs with preservation of antegrade flow to the IIA. Secondary interventions are indicated in >10% of patients during follow-up but can be performed endovascularly in most. PMID- 27864457 TI - Embolization or Simple Coverage to Exclude the Internal Iliac Artery During Endovascular Repair of Aortoiliac Aneurysms? Systematic Review and Meta-analysis of Comparative Studies. AB - PURPOSE: To compare results of simple coverage vs preemptive embolization to exclude the internal iliac artery (IIA) during endovascular repair of aortoiliac aneurysms. METHODS: A systematic review of the literature was conducted by searching MEDLINE, CENTRAL, and OpenGray databases until March 2016. Primary outcome measures were safety and efficacy of the 2 strategies. Safety was determined by 30-day mortality and the minor and major complication rates. Efficacy was determined by absence of endoleak from the target IIA. Secondary outcomes of any endoleak, reintervention, operative time, fluoroscopy time, blood loss, contrast volume, and length of hospitalization were also examined. The random effects model was used to calculate combined overall effect sizes of pooled data. Data are presented as the odds ratio (OR) or mean difference (MD) with 95% confidence interval (CI). Forest plots and inconsistency ( I2) statistics were used to evaluate the heterogeneity of the included studies. RESULTS: Eight observational studies were included in the analysis. Overall, 284 and 255 subjects underwent IIA coverage or embolization, respectively. IIA coverage resulted in a significantly lower major complication rate (6% vs 29%; OR 2.97, 95% CI 1.46 to 6.04, p=0.003; I2=0%) and shorter hospitalization (MD 0.48 days, 95% CI 0.08 to 0.89, p=0.02; I2=0%), while differences in all other outcomes were not statistically significant. CONCLUSION: In the presence of limited data, available evidence suggests that simple coverage of the IIA may result in significantly fewer major complications compared to preemptive embolization; at the same time, the rates of endoleaks and/or reinterventions are similar between groups. PMID- 27864458 TI - Three-Dimensional Analysis of Component Stability of the Nellix Endovascular Aneurysm Sealing System After Treatment of Infrarenal Abdominal Aortic Aneurysms. AB - PURPOSE: To assess short-term stability and conformational changes of the Nellix EndoVascular Aneurysm Sealing (EVAS) System using 3-dimensional (3D) analysis. METHODS: Postoperative computed tomography (CT) scans obtained at 0, 3, and 12 months in 24 patients (mean age 75+/-7 years; 22 men) who underwent EVAS between December 2013 and December 2014 for intact abdominal aortic aneurysm (within the instructions for use) were evaluated for stent-graft deviation in multiple planes using dedicated 3D analysis software. In addition, 2D analysis using an anatomically fixed reference landmark was performed to assess craniocaudal migration. Clinical and follow-up data of the patients were recorded and matched with results of the imaging analysis. RESULTS: Overall stability of the Nellix endografts was promising. Relevant conformational changes in the majority of cases were limited to the iliac graft segment and were clinically benign in all cases. Conversely, the only deviation of the proximal stent-graft segment was found in a patient with type Ia endoleak. Additional 2D analysis found relevant (>=5 mm) caudal migration of the Nellix stent-graft in 6 patients, including the one with the type Ia endoleak. In 3 patients, 3D analysis demonstrated the absence of relevant conformational changes of the endografts despite caudal migration. CONCLUSION: Overall stability of the separate EVAS stent-grafts is promising in the short term. Relevant conformational changes (stent-graft deviation) in the majority of cases were benign and confined to the iliac segment. PMID- 27864459 TI - Feasibility and Technical Aspects of Proximal Nellix-in-Nellix Extension for Late Caudal Endograft Migration. AB - PURPOSE: To describe the feasibility and technical aspects of a proximal Nellix in-Nellix extension to treat caudal stent-graft migration after endovascular aneurysm sealing (EVAS) in the in vitro and in vivo settings. METHODS: In vitro studies were designed (1) to assess inner diameters of Nellix-in-Nellix extensions after postdilation with 12-mm balloons and (2) to test wall apposition in tubes with different diameters using a Nellix-in-Nellix stent-graft that extended out of the original Nellix stent-graft lumen by 10, 20, 30, and 40 mm. Simulated-use experiments were performed using silicone models in conjunction with a pulsatile flow pump. In the clinical setting, 5 patients (median age 74 years, range 73-83) presented at 2 centers with type Ia endoleak secondary to caudal Nellix stent-graft migration measuring a median 9 mm (range 7-15) on the left and 7 mm (range 0-11) on the right. Median polymer fill volume at the initial EVAS procedure was 42.5 mL (range 25-71). The median time to reintervention with a proximal Nellix extension was 15 months (range 13-32). RESULTS: In vitro, the inner diameters of the Nellix-in-Nellix extensions were consistent after postdilation. Cases with 10 and 20 mm of exposed endobag resulted in a poor seal with endoleak, while cases with 30 and 40 mm of exposed endobag length exhibited angiographic seal. Fill line pressures of the second Nellix were higher than expected. In the 5 clinical cases, chimney grafts were required in each case to create an adequate proximal landing zone. The Nellix-in Nellix procedure was successful in all patients. There were no procedure-related complications, and no endoleaks were observed during a median 12-month follow-up. Reinterventions were performed in 2 patients because of in-stent stenosis and chimney graft compression, respectively. CONCLUSION: Proximal Nellix-in-Nellix extension can be used to treat caudally migrated Nellix stent-grafts and to treat the consequent type Ia endoleak, but the technique differs from primary EVAS. The development of dedicated proximal extensions is desirable. PMID- 27864460 TI - Use of the Octopus Endograft Technique to Reconstruct Renovisceral Arteries Arising From the False Lumen of a Rapidly Expanding Type B Aortic Dissection After Endovascular Repair. AB - PURPOSE: To describe the use and 6-month outcomes of the octopus endograft technique to reconstruct renovisceral arteries arising from the false lumen (FL) of a type B aortic dissection after thoracic endovascular aortic repair (TEVAR). CASE REPORT: A 46-year-old man post TEVAR for type B aortic dissection was admitted with persistent back pain and a rapidly expanding residual dissection. The celiac and left renal arteries arose from the FL and the superior mesenteric artery from both lumens, with the FL as its main supply. A 20% oversized Endurant stent-graft was deployed with the short limb just above the beginning of the dissection flap and the long limb in the aortic true lumen. A 120-mm-long Endurant extended limb was delivered antegradely via a conduit and deployed into the FL, with a 3-cm overlap with the short limb of the Endurant main body. The 3 renovisceral arteries were reconstructed by lining each with a series of Viabahn or Fluency stent-grafts whose proximal ends were subsequently placed parallel in the FL Endurant extended limb and dilated with kissing balloons. Imaging at 6 months showed an excluded FL, without stenosis or occlusion in the stent-graft or the renovisceral arteries. CONCLUSION: This case illustrates the successful use of the octopus endograft technique to reconstruct renovisceral arteries arising from a rapidly expanding FL in a post-TEVAR type B aortic dissection; the technique might be applicable in carefully selected patients. PMID- 27864461 TI - Commentary: Endovascular Repair of Postdissection Aneurysms Involving the Thoracoabdominal Aorta. PMID- 27864462 TI - Collateral status and tissue outcome after intra-arterial therapy for patients with acute ischemic stroke. AB - Intra-arterial therapy (IAT) for ischemic stroke aims to save brain tissue. Collaterals are thought to contribute to prolonged penumbra sustenance. In this study, we investigate the effect of collateral status on brain tissue salvage with IAT. In 500 patients randomized between IAT and standard care, collateral status was graded from 0 (absent) to 3 (good). Final infarct volumes (FIV) were calculated on post-treatment CT. FIVs were compared between treatment groups per collateral grade. Multivariable linear regression with interaction terms was performed to study whether collaterals modified IAT effect on FIV. Four-hundred forty-nine patients were included in the analysis. Median FIV for the IAT group was significantly lower with 54.5 mL (95% IQR: 21.8-145.0) than for the controls with 81.8 mL (95% IQR: 40.0-154.0) ( p = 0.020). Treatment effect differed across collateral grades, although there was no significant interaction (unadjusted p = 0.054; adjusted p = 0.105). For grade 3, IAT resulted in a FIV reduction of 30.1 mL ( p = 0.024). For grade 2 and 1, this difference was, respectively, 28.4 mL ( p = 0.028) and 28.4 mL ( p = 0.29). For grade 0, this was 88.6 mL ( p = 0.28) in favour of controls. IAT saves substantially more brain tissue as compared to standard care. We observed a trend of increasing effect of IAT with higher collateral grades. PMID- 27864463 TI - Increased brain hemopexin levels improve outcomes after intracerebral hemorrhage. AB - Following intracerebral hemorrhage (ICH), extracellular heme precipitates secondary brain injury, which results in irreversible brain damage and enduring neurological deficits. Hemopexin (Hpx) is an endogenous protein responsible for scavenging heme, thereby modulating its intrinsic proxidant/proinflammatory properties. Although Hpx is present in the brain, the endogenous levels are insufficient to combat the massive heme overload following ICH. We hypothesized that increasing brain Hpx levels would improve ICH outcomes. Unique recombinant adeno-associated viral vectors were designed to specifically overexpress Hpx within the mouse brain. Western blotting, ELISA, and immunohistochemistry of brain homogenates/sections, CSF, and serum were performed. As compared to controls, Hpx mice have increased Hpx protein levels in all three types of biospecimens evaluated, which results in 45.6 +/- 6.9% smaller lesions and improved functional recovery after ICH (n=14-19/group, p < 0.05). Local mechanistic analyses show significantly less tissue injury, trends toward smaller hematoma volumes, unchanged heme oxygenase 1 and iron levels, and significantly increased microgliosis and decreased astrogliosis and lipid peroxidation. Peripheral levels of heme-related markers indicate a positive modulation of iron binding capacity. These findings reveal that high local Hpx levels improve ICH outcomes, likely through both central and peripheral clearance mechanisms, and establish the potential for therapeutically administering clinical-grade Hpx for ICH. PMID- 27864464 TI - Inhibition of stress fiber formation preserves blood-brain barrier after intracerebral hemorrhage in mice. AB - Intracerebral hemorrhage (ICH) represents the deadliest subtype of all strokes. The development of brain edema, a consequence of blood-brain barrier (BBB) disruption, is the most life-threatening event after ICH. Pathophysiological conditions activate the endothelium, one of the components of BBB, inducing rearrangement of the actin cytoskeleton. Upon activation, globular actin assembles into a filamentous actin resulting in the formation of contractile actin bundles, stress fibers. The contraction of stress fibers leads to the formation of intercellular gaps between endothelial cells increasing the permeability of BBB. In the present study, we investigated the effect of ICH on stress fiber formation in CD1 mice. We hypothesized that ICH-induced formation of stress fiber is triggered by the activation of PDGFR-beta and mediated by the cortactin/RhoA/LIMK pathway. We demonstrated that ICH induces formation of stress fibers. Furthermore, we demonstrated that the inhibition of PDGFR-beta and its downstream reduced the number of stress fibers, preserving BBB and resulting in the amelioration of brain edema and improvement of neurological functions in mice after ICH. PMID- 27864465 TI - Posttraumatic therapeutic hypothermia alters microglial and macrophage polarization toward a beneficial phenotype. AB - Posttraumatic inflammatory processes contribute to pathological and reparative processes observed after traumatic brain injury (TBI). Recent findings have emphasized that these divergent effects result from subsets of proinflammatory (M1) or anti-inflammatory (M2) microglia and macrophages. Therapeutic hypothermia has been tested in preclinical and clinical models of TBI to limit secondary injury mechanisms including proinflammatory processes. This study evaluated the effects of posttraumatic hypothermia (PTH) on phenotype patterns of microglia/macrophages. Sprague-Dawley rats underwent moderate fluid percussion brain injury with normothermia (37C) or hypothermia (33C). Cortical and hippocampal regions were analyzed using flow cytometry and reverse transcription polymerase chain reaction (RT-PCR) at several periods after injury. Compared to normothermia, PTH attenuated infiltrating cortical macrophages positive for CD11b+ and CD45high. At 24 h, the ratio of iNOS+ (M1) to arginase+ (M2) cells after hypothermia showed a decrease compared to normothermia. RT-PCR of M1 associated genes including iNOS and IL-1beta was significantly reduced with hypothermia while M2-associated genes including arginase and CD163 were significantly increased compared to normothermic conditions. The injury-induced increased expression of the chemokine Ccl2 was also reduced with PTH. These studies provide a link between temperature-sensitive alterations in macrophage/microglia activation and polarization toward a M2 phenotype that could be permissive for cell survival and repair. PMID- 27864466 TI - Thiamet G mediates neuroprotection in experimental stroke by modulating microglia/macrophage polarization and inhibiting NF-kappaB p65 signaling. AB - Inflammatory responses are accountable for secondary injury induced by acute ischemic stroke (AIS). Previous studies indicated that O-GlcNAc modification (O GlcNAcylation) is involved in the pathology of AIS, and increase of O GlcNAcylation by glucosamine attenuated the brain damage after ischemia/reperfusion. Inhibition of beta-N-acetylglucosaminidase (OGA) with thiamet G (TMG) is an alternative option for accumulating O-GlcNAcylated proteins. In this study, we investigate the neuroprotective effect of TMG in a mouse model of experimental stroke. Our results indicate that TMG administration either before or after middle cerebral artery occlusion (MCAO) surgery dramatically reduced infarct volume compared with that in untreated controls. TMG treatment ameliorated the neurological deficits and improved clinical outcomes in neurobehavioral tests by modulating the expression of pro-inflammatory and anti inflammatory cytokines. Additionally, TMG administration reduced the number of Iba1+ cells in MCAO mice, decreased expression of the M1 markers, and increased expression of the M2 markers in vivo. In vitro, M1 polarization of BV2 cells was inhibited by TMG treatment. Moreover, TMG decreased the expression of iNOS and COX2 mainly by suppressing NF-kappaB p65 signaling. These results suggest that TMG exerts a neuroprotective effect and could be useful as an anti-inflammatory agent for ischemic stroke therapy. PMID- 27864468 TI - Response to the Letter to the Editor: "Factors Influencing Early Dental Implant Failures" PMID- 27864469 TI - Letter to the Editor: "Factors Influencing Early Dental Implant Failures" PMID- 27864467 TI - Human dendritic cells (DCs) are derived from distinct circulating precursors that are precommitted to become CD1c+ or CD141+ DCs. AB - In humans, conventional dendritic cells (cDCs) exist as two unique populations characterized by expression of CD1c and CD141. cDCs arise from increasingly restricted but well-defined bone marrow progenitors that include the common DC progenitor that differentiates into the pre-cDC, which is the direct precursor of cDCs. In this study, we show that pre-cDCs in humans are heterogeneous, consisting of two distinct populations of precursors that are precommitted to become either CD1c+ or CD141+ cDCs. The two groups of lineage-primed precursors can be distinguished based on differential expression of CD172a. Both subpopulations of pre-cDCs arise in the adult bone marrow and can be found in cord blood and adult peripheral blood. Gene expression analysis revealed that CD172a+ and CD172a- pre-cDCs represent developmentally discrete populations that differentially express lineage-restricted transcription factors. A clinical trial of Flt3L injection revealed that this cytokine increases the number of both CD172a- and CD172a+ pre-cDCs in human peripheral blood. PMID- 27864470 TI - Percutaneous Pulmonary Valve Implantation in the Native Right Ventricular Outflow Tract Using a 29-mm Edwards SAPIEN 3 Valve. AB - Percutaneous pulmonary valve implantation is now an acceptable treatment option. The Edwards SAPIEN valve, intended for transcatheter aortic valve implantation, has been used in patients whose landing zone diameter is >22 to 24 mm which is not suitable for Melody valve. We report a patient in whom we successfully placed the latest generation, Edwards SAPIEN 3 (ES3) in the pulmonary position. However, because of the short covered portion of this valve, there was a significant paravalvular leak through the stent struts requiring implantation of a second ES3 valve. PMID- 27864471 TI - Structuring Process Evaluation to Forecast Use and Sustainability of an Intervention: Theory and Data From the Efficacy Trial for Lunch Is in the Bag. AB - BACKGROUND: A cluster-randomized trial at 30 early care and education centers (Intervention = 15, waitlist Control = 15) showed the Lunch Is in the Bag intervention increased parents' packing of fruits, vegetables, and whole grains in their preschool children's bag lunches (parent-child dyads = 351 Intervention, 282 Control). PURPOSE: To examine the utility of structuring the trial's process evaluation to forecast use, sustainability, and readiness of the intervention for wider dissemination and implementation. METHOD: Pretrial, the research team simulated user experience to forecast use of the intervention. Multiattribute evaluation of user experience measured during the trial assessed use and sustainability of the intervention. Thematic analysis of posttrial interviews with users evaluated sustained use and readiness for wider dissemination. RESULTS: Moderate use was forecast by the research team. Multiattribute evaluation of activity logs, surveys, and observations during the trial indicated use consistent with the forecast except that prevalence of parents reading the newsletters was greater (83% vs. 50%) and hearing their children talk about the classroom was less (4% vs. 50%) than forecast. Early care and education center level likelihood of sustained use was projected to be near zero. Posttrial interviews indicated use was sustained at zero centers. DISCUSSION: Structuring the efficacy trial's process evaluation as a progression of assessments of user experience produced generally accurate forecasts of use and sustainability of the intervention at the trial sites. CONCLUSION: This approach can assist interpretation of trial outcomes, aid decisions about dissemination of the intervention, and contribute to translational science for improving health. PMID- 27864473 TI - A recommendation for timing of repeat Chlamydia trachomatis test following infection and treatment in pregnant and nonpregnant women. AB - The objective of this study was to describe the time required to obtain a negative chlamydia test in pregnant and nonpregnant women following treatment to inform test-of-cure collection and recommend an abstinence period to avoid reinfection. Seventy-two women with Chlamydia trachomatis infection, 36 pregnant and 36 nonpregnant, were enrolled in a prospective cohort study. Women were excluded less than 18 years of age, if they had been treated for chlamydia, reported an allergy to macrolide antibiotics, or if they had Myasthenia Gravis. Women were treated for chlamydia with single-dose therapy and submitted weekly vaginal chlamydia nucleic acid amplification tests (NAATs). Once NAAT were negative, the participants completed the study. Forty-seven women completed the study per protocol. The primary outcome was to determine the time to a negative chlamydia NAAT following treatment, with secondary outcomes of determining the appropriate time to collect a test-of-cure following chlamydia treatment and to recommend an appropriate abstinence period following treatment to avoid reinfection. Results showed that the time to a negative chlamydia NAAT was significantly different between groups (log-rank p = 0.0013). The median number of days to obtain a negative chlamydia NAAT was 8 days (IQR 7-14) in pregnant and 7 days (IQR 6-10) in nonpregnant women (WRST p = 0.04). All participants had a negative chlamydia NAAT by day 29 post-treatment. Following single-dose treatment for chlamydia, both pregnant and nonpregnant women should test negative with NAAT by 30 days post-treatment. Clinicians should collect a test-of-cure in pregnant women no earlier than 1 month. To avoid reinfection, women should avoid condomless intercourse for at least 1 month. PMID- 27864472 TI - Transcriptome-wide identification of NMD-targeted human mRNAs reveals extensive redundancy between SMG6- and SMG7-mediated degradation pathways. AB - Besides degrading aberrant mRNAs that harbor a premature translation termination codon (PTC), nonsense-mediated mRNA decay (NMD) also targets many seemingly "normal" mRNAs that encode for full-length proteins. To identify a bona fide set of such endogenous NMD targets in human cells, we applied a meta-analysis approach in which we combined transcriptome profiling of knockdowns and rescues of the three NMD factors UPF1, SMG6, and SMG7. We provide evidence that this combinatorial approach identifies NMD-targeted transcripts more reliably than previous attempts that focused on inactivation of single NMD factors. Our data revealed that SMG6 and SMG7 act on essentially the same transcripts, indicating extensive redundancy between the endo- and exonucleolytic decay routes. Besides mRNAs, we also identified as NMD targets many long noncoding RNAs as well as miRNA and snoRNA host genes. The NMD target feature with the most predictive value is an intron in the 3' UTR, followed by the presence of upstream open reading frames (uORFs) and long 3' UTRs. Furthermore, the 3' UTRs of NMD-targeted transcripts tend to have an increased GC content and to be phylogenetically less conserved when compared to 3' UTRs of NMD insensitive transcripts. PMID- 27864474 TI - Complement Component 3 Regulates IFN-alpha Production by Plasmacytoid Dendritic Cells following TLR7 Activation by a Plant Virus-like Nanoparticle. AB - The increasing use of plant viruses for the development of new vaccines and immunotherapy approaches poses questions regarding the mechanism by which the mammalian immune system recognizes these viruses. For example, although natural Abs (NA) and complement are key components of the innate immune system involved in the opsonization, phagocytosis, and destruction of microorganisms infecting mammals, their implication in plant virus recognition and immunogenicity is not well defined. In this study, we address the involvement of NA and the complement system in the activation of innate immunity through engagement of TLR7 with papaya mosaic virus (PapMV)-like nanoparticles. We demonstrate that NA, although binding to PapMV, are not involved in its recognition by the immune system. On the other hand, C3 strongly binds to PapMV nanoparticles and its depletion significantly reduces PapMV's interaction with immune cells. Unexpectedly, however, we observed increased immune cell activation following administration of PapMV to complement-depleted mice. TLR7 activation by PapMV in the absence of C3 induced higher IFN-alpha production, resulting in superior immune cell activation and increased immunotherapeutic properties. In conclusion, in this study we established the involvement of the complement system in the recognition and the phagocytosis of PapMV nanoparticles and identified an unsuspected role for C3 in regulating the production of IFN-alpha following TLR7 activation. PMID- 27864475 TI - IL-17-Producing Innate and Pathogen-Specific Tissue Resident Memory gammadelta T Cells Expand in the Lungs of Bordetella pertussis-Infected Mice. AB - gammadelta T cells play a role in protective immunity to infection at mucosal surface, but also mediate pathology in certain autoimmune diseases through innate IL-17 production. Recent reports have suggested that gammadelta T cells can have memory analogous to conventional alphabeta T cells. In this study we have examined the role of gammadelta T cells in immunity to the respiratory pathogen Bordetella pertussis gammadelta T cells, predominantly Vgamma4-gamma1- cells, produced IL-17 in the lungs as early as 2 h after infection. The bacterial burden during primary infection was significantly enhanced and the induction of antimicrobial peptides was reduced in the absence of early IL-17. A second peak of gammadelta T cells is detected in the lungs 7-14 d after challenge and these gammadelta T cells were pathogen specific. gammadelta T cells, exclusively Vgamma4, from the lungs of infected but not naive mice produced IL-17 in response to heat-killed B. pertussis in the presence of APC. Furthermore, gammadelta T cells from the lungs of mice reinfected with B. pertussis produced significantly more IL-17 than gammadelta T cells from infected unprimed mice. gammadelta T cells with a tissue resident memory T cell phenotype (CD69+CD103+) were expanded in the lungs during infection with B. pertussis and proliferated rapidly after rechallenge of convalescent mice. Our findings demonstrate that lung gammadelta T cells provide an early source of innate IL-17, which promotes antimicrobial peptide production, whereas pathogen-specific Vgamma4 cells function in adaptive immunological memory against B. pertussis. PMID- 27864476 TI - Anti-Hinge Antibodies Recognize IgG Subclass- and Protease-Restricted Neoepitopes. AB - Anti-hinge Abs (AHAs) target neoepitopes exposed after proteolytic cleavage of IgG. In this study, we explored the diversity of protease- and IgG subclass restricted AHAs and their potential as immunological markers in healthy donors (HDs) and patients with rheumatoid arthritis (RA) or systemic lupus erythematosus (SLE). AHA reactivity against IgG-degrading enzyme of Streptococcus pyogenes (IdeS)- or pepsin-generated F(ab')2 fragments of all four human IgG subclasses was determined. AHA reactivity against one or more out of eight F(ab')2 targets was found in 68% (68 of 100) of HDs, 69% (68 of 99) of SLE patients, and 81% (79 of 97) of RA patients. Specific recognition of hinge epitopes was dependent on IgG subclass and protease used to create the F(ab')2 targets, as confirmed by inhibition experiments with F(ab')2 fragments and hinge peptides. Reactivity against IdeS-generated F(ab')2 targets was found most frequently, whereas reactivity against pepsin-generated F(ab')2 targets better discriminated between RA and HDs or SLE, with significantly higher AHA levels against IgG1/3/4. In contrast, AHA levels against pepsin-cleaved IgG2 were comparable. No reactivity against IdeS-generated IgG2-F(ab')2s was detected. The most discriminatory AHA reactivity in RA was against pepsin-cleaved IgG4, with a 35% prevalence, >=5.8 fold higher than in HDs/SLE, and significantly higher levels (p < 0.0001). Cross reactivity for F(ab')2s generated from different IgG subclasses was only observed for subclasses having homologous F(ab')2 C termini (IgG1/3/4). For IgG2, two pepsin cleavage sites were identified; anti-hinge reactivity was restricted to only one of these. In conclusion, AHAs specifically recognize IgG subclass- and protease-restricted hinge neoepitopes. Their protease-restricted specificity suggests that different AHA responses developed under distinct inflammatory or infectious conditions and may be markers of, and participants in, such processes. PMID- 27864477 TI - Is visceral flow during intra-aortic balloon pumping size or volume dependent? AB - AIM: We evaluated the influence of intra-aortic balloon size and volume on mesenteric and renal flows. METHODS: Thirty healthy swine underwent 120-minute ligation of the left anterior descending coronary artery followed by 6 hours of reperfusion. Then, they were randomly assigned to the following five groups of animals, with six animals in each group: no intra-aortic balloon pump (IABP), a short 35-mL IABP, a short 40-mL IABP, a long 35-mL IABP and a long 40-mL IABP. Superior mesenteric artery (SMA) and renal flows were measured at baseline (t0), at 2-hour ischemia (t1) and every hour thereafter until 6 hours of reperfusion (from tR1 to tR6). RESULTS: SMA flows increased significantly at tR1 only in the two short IABP groups (p<0.001) and balloon volume did not appear to affect flows which, at any experimental time-point, were comparable using 35 mL or 40 mL balloons (p>0.05). Renal flows appeared to be influenced by balloon length, but not by volume. Indeed, flows in the renal arteries rose during IABP treatment; the increase was significantly higher in the short balloon groups and throughout the whole reperfusion (all, p<0.001). CONCLUSIONS: Changes in visceral perfusion during IABP assistance were significantly related to balloon length, but not to its volume. This could be relevant for the evolution of balloon engineering design in order to reduce the incidence of mesenteric ischemia following IABP. Further research is necessary to confirm these findings. PMID- 27864478 TI - Patient and Caregiver Interplay in Behavioral and Psychological Symptoms of Dementia: Family Caregiver's Experience. AB - The purpose of this study was to identify family caregivers' experiences in managing the behavioral and psychological symptoms of dementia (BPSD) with particular focus on their interpersonal interactions with patient with dementia. Data were collected through focus-group interviews with 15 family caregivers from three local dementia-support centers located in Seoul. Data were analyzed using content analysis. Three main themes were identified through data analysis: triggers of BPSD, family caregiver's actions in response to BPSD and patient's reactions, and the effect of BPSD on family caregivers. Findings demonstrated that BPSD depended on the complex interplay of family caregivers and patients, including their interaction style. This information could help nurses when counseling and educating family caregivers to improve or modify their attitudes and approaches to behavioral symptoms of patients. PMID- 27864479 TI - Epicardial adipose tissue and cardiovascular outcome in patients with acute coronary syndrome undergoing percutaneous coronary intervention. AB - AIMS: We investigated the association between epicardial adipose tissue (EAT) thickness and cardiovascular outcomes in a cohort of high-risk patients with acute coronary syndrome undergoing percutaneous coronary intervention. METHODS: Of 1198 patients undergoing percutaneous coronary intervention, transthoracic echocardiography was performed in 438 patients during the index hospitalization. EAT thickness was measured in the parasternal long-axis view perpendicularly on the free wall of the right ventricle at end-systole in three consecutive cardiac cycles and then averaged. As the primary outcome measure, a composite of major adverse cardiovascular events - including cardiovascular death, non-fatal myocardial infarction and non-fatal stroke - was investigated after three years of follow-up. RESULTS: Patients were included between 2004 and 2012 and 293 (66.9%) were men. The median EAT thickness was 2.65 mm (interquartile range 2.00 3.00). EAT was correlated with body mass index ( R=0.404; p<0.001), weight ( R=0.314; p<0.001), baseline creatinine ( R=0.118; p=0.014) and baseline glucose ( R=0.129; p=0.007). After a follow-up period of three years, a major adverse cardiovascular event occurred in 64 patients (14.6%) corresponding to 36 (8.2%) with cardiovascular death, 21 (4.8%) with myocardial infarction and seven (1.6%) with stroke. Regarding the primary endpoint, EAT thickness revealed a significant predictive effect on univariate Cox regression (hazards ratio 1.479, 95% CI 1.192 1.953; p=0.006) and multivariate Cox regression analysis (hazards ratio 1.524, 95% CI 1.011-2.267; p=0.038) after adjusting for established cardiovascular confounders. CONCLUSIONS: In a cohort of high-risk patients with acute coronary syndrome undergoing percutaneous coronary intervention, EAT was associated with established markers of cardiovascular death and had a predictive value for the three-year cardiovascular outcome. PMID- 27864480 TI - Racial and Ethnic Disparities in Infant Mortality in North Carolina, 2008-2009. AB - BACKGROUND: This study was designed to investigate whether racial and ethnic disparities in infant mortality still exist in North Carolina and to examine predictors of infant mortality using the North Carolina Vital Statistics Dataverse. METHODS: This was a retrospective, cross-sectional, observational study that included all 257,543 births in North Carolina in 2008-2009. Infant mortality was assessed based on birth records included in the database. Infant births and deaths were summarized by demographic and maternal/infant characteristics. A multivariate logistic regression model was constructed to jointly assess predictors of infant mortality. RESULTS: The overall infant mortality rate in North Carolina was 0.8%. Adjusting for confounders through the construction and assessment of a multivariate logistic regression model, statistically significant associations were found between infant mortality and each of the following: maternal race (both black and 'other' versus white), infant sex, both premature and preterm gestation (versus full term), birth weight (both low and high versus normal), maternal education (both less than high school graduate and more than high school versus college graduate), prenatal care (both intermediate and inadequate versus adequate), and maternal tobacco use. LIMITATIONS: Maternal race was limited to white, black, and other. Data on socioeconomic status, maternal medical risk factors, and quality of prenatal care were not available. At the time of the analysis, data for years beyond 2009 were limited. CONCLUSIONS: Racial disparities in infant mortality persist in North Carolina; specifically, infants of nonwhite mothers have a higher mortality rate than do infants of white mothers. Other factors that continue to play a significant role in infant mortality in North Carolina include preterm and premature births, male infant sex, low birth weight, maternal education less than college graduate, maternal tobacco use, and less than adequate prenatal care. PMID- 27864481 TI - Meaningful Use in Chronic Care: Improved Diabetes Outcomes Using a Primary Care Extension Center Model. AB - BACKGROUND: The effect of practice facilitation that provides onsite quality improvement (QI) and electronic health record (EHR) coaching on chronic care outcomes is unclear. This study evaluates the effectiveness of such a program similar to an agricultural extension center model-that provides these services. METHODS: Through the Health Information Technology for Economic and Clinical Health (HITECH) portion of the American Recovery and Reinvestment Act, the North Carolina Area Health Education Centers program became the Regional Extension Center for Health Information Technology (REC) for North Carolina. The REC program provides onsite technical assistance to help small primary care practices achieve meaningful use of certified EHRs. While pursuing meaningful use functionality, practices were also offered complementary onsite advice regarding QI issues. We followed the first 50 primary care practices that utilized both EHR and QI advice targeting diabetes care. RESULTS: The achievement of meaningful use of certified EHRs and performance of QI with onsite practice facilitation showed an absolute improvement of 19% in the proportion of patients who achieved excellent diabetes control (hemoglobin A1c < 7%) compared to baseline. In addition, the percentages of patients with poorly controlled diabetes (hemoglobin A1c > 9%) fell steeply in these practices. LIMITATIONS: No control group was available for comparison. CONCLUSION: Practice facilitation that provided EHR and QI coaching support showed important improvements in diabetes outcomes in practices that achieved meaningful use of their EHR systems. This approach holds promise as a way to help small primary care practices achieve excellent patient outcomes. PMID- 27864482 TI - Women's Health. PMID- 27864483 TI - Creating a Better State of Health for Women. AB - Women's wellness spans from childhood into adolescence, through the childbearing period, and into older age. It includes not only wellness issues related to cardiovascular disease, cancer, and other chronic conditions but also the consequences of intimate partner violence and mental health issues.Throughout the life course, women's health should be a priority. Healthier women lead to healthier babies, which lead to healthier communities. In addition, when women are connected to the health care system, their families are also more likely to be connected. This issue of the North Carolina Medical Journal explores the many aspects of women's health and its many impacts. PMID- 27864484 TI - Down With Teen Pregnancy, Up With Mobility: Teen Pregnancy Prevention Efforts in Gaston County, North Carolina. AB - Unintended pregnancies are typically associated with poor health outcomes for mothers and babies, and they also limit the social mobility of women and their families. Gaston County has achieved great success in reducing both teen pregnancies and unintended pregnancies among low-income women through the Gaston Youth Connected project and the local health department's push to increase accessibility to long-acting reversible contraception. Reductions in the racial disparities in teen pregnancy rates, higher graduation rates for females, and fewer pregnancies among low-income women all indicate a potential for better reproductive health to increase the social mobility of Gaston County women. The ability to clearly connect health outcomes to long-term social improvements helps create sustainable community buy-in and should be a priority in public health initiatives. PMID- 27864485 TI - A Public-Private Partnership to Reduce Unintended Pregnancy Rates and Improve Economic Mobility. PMID- 27864486 TI - CenteringPregnancy: Meeting the Quadruple Aim in Prenatal Care. AB - CenteringPregnancy is a group prenatal care model that engages pregnant women in their care, which results in promising health and system outcomes. This commentary will review this innovative care model with a focus on patient experience, population health outcomes, cost effectiveness, and provider experience. PMID- 27864487 TI - Intimate Partner Violence Prevention Programs in North Carolina. AB - One in 4 women will experience intimate partner violence in her lifetime. The goal of primary intimate partner violence prevention programs is to stop the violence before it begins. Secondary prevention programs identify violence that is occurring and intervene as soon as possible to prevent the problem from progressing. This commentary discusses intimate partner violence, primary and secondary prevention, and current prevention programs in North Carolina. PMID- 27864488 TI - Domestic Violence and Families: Trauma-Focused Treatment Options. PMID- 27864489 TI - Protecting Women Against Human Papillomavirus: Benefits, Barriers, and Evidence Based Strategies to Increase Vaccine Uptake. AB - Human papillomavirus (HPV) infection significantly impacts women, as it can cause cancers and precancers of the cervix, vulva, vagina, oropharynx, and anus. However, many of these cancers can be prevented by HPV vaccination. Despite evidence of vaccine effectiveness and safety, vaccination rates remain low. Evidence-based strategies should be utilized to reduce barriers and increase vaccination rates. PMID- 27864490 TI - Women and Cardiovascular Disease: What Can Health Care Providers Do to Reduce the Risks? AB - Cardiovascular disease impacts everybody and places significant burdens on the health care system. Educating women on their risks and how to reduce these risks will not only make women more aware but will help to improve lives and reduce health care costs. This commentary will review heart disease in women and what women can do to improve their cardiovascular health. PMID- 27864491 TI - North Carolina's Perinatal Health Strategic Plan: Striving to Improve Birth Outcomes for All Families. AB - While North Carolina has made progress in improving perinatal health, much work remains to be done to ensure health for all communities. The state's new perinatal health strategic plan provides an innovative approach that highlights strategies for addressing biomedical, social, and economic inequalities. PMID- 27864492 TI - A Retrospective Look at North Carolina's Efforts to Reduce Infant Mortality. PMID- 27864493 TI - Challenges in the Screening and Management of Osteoporosis. AB - Osteoporosis imposes a significant burden of morbidity, mortality, and cost on patients and the health care system. Compliance with existing screening and treatment recommendations is low. There are multiple barriers to treatment including complexity of medical management, cost of medications, real and perceived side effects of medications, and nonadherence. PMID- 27864494 TI - A Review of the Current Cervical Cancer Screening Guidelines. AB - For many decades, Pap smear screening has been synonymous with well-woman visits. Although Pap smears have greatly decreased the rates of cervical cancer, current guidelines support less frequent screening. This commentary reviews the currently recommended strategies for cervical cancer screening. PMID- 27864495 TI - Urinary Incontinence in Women. AB - Urinary incontinence, the involuntary loss of urine, can result from a multitude of etiologies and can have a significant negative impact on a woman's physical, social, economic, and psychological well-being. This commentary will review the current evidence regarding the screening, diagnosis, and treatment options for urinary incontinence in women. PMID- 27864496 TI - Understanding and Treating Women's Body Image and Eating Disorders. AB - This article provides an overview of the etiology of eating disorders, screening recommendations, and evidence-based treatment options. These disorders are a noteworthy concern among girls and women in the United States, especially given the resulting medical comorbidities and high mortality rates. PMID- 27864497 TI - The Impact of Infertility on Women's Mental Health. PMID- 27864498 TI - Exploring Female Sexuality: Embracing the Whole Narrative. AB - Sexuality is inseparable from sexual health and can refer to sex, gender identities, orientation, pleasure, intimacy, expression, and reproduction. While each element of human sexuality is important, all of these components interconnect to make us complete sexual beings. Educators and other human service providers thus require professional preparation to ensure they can meet the needs of their learners, effectively manage programming, and successfully implement strategies that allow individuals to embrace or manage their sexual existence. An inclusive approach to sexual health is best to meet the sexual health needs of all women, while ensuring their agency and control of their own bodies. PMID- 27864499 TI - Project NO REST: Addressing Human Trafficking in North Carolina. AB - Project NO REST (North Carolina Organizing and Responding to the Exploitation and Sexual Trafficking of Children) is a 5-year effort funded by the US Children's Bureau to address the trafficking of individuals age 25 years and younger in North Carolina. The project aims to increase awareness of human trafficking affecting children and youth, especially those in the child welfare system; to reduce the number of these youth who are trafficked; and to improve outcomes for those who are trafficked. In the project's first year, nearly 100 stakeholders statewide developed a comprehensive plan to address trafficking. Later, 5 communities were recruited to implement the plan at the local level. Their experiences will be used to develop a toolkit for future anti-trafficking efforts. PMID- 27864500 TI - Issue Brief: Transforming North Carolina's Mental Health and Substance Use Systems: A Report from the NCIOM Task Force on Mental Health and Substance Use. PMID- 27864501 TI - Editorial for Palliative Medicine. PMID- 27864505 TI - Endoscopic Management of Idiopathic Subglottic Stenosis. AB - OBJECTIVE: To describe a homogeneous idiopathic subglottic stenosis (ISS) population undergoing endoscopic balloon dilation and evaluate factors affecting inter-dilation interval (IDI). METHODS: Retrospective review of 37 patients. Co morbidity prevalence versus normal population was evaluated using chi-square tests. Correlations were evaluated using Pearson product moment tests. Independent samples t tests/rank sum tests assessed differences between groups of interest. RESULTS: All patients were female aged 45.9 +/- 15.4 years at diagnosis. Four required a tracheotomy during management. Most prevalent co morbidity was gastroesophageal reflux disease (GERD) (64.9%; P = .036). Body mass indices (BMI) at first and most recent dilation were 29.8 and 30.8 ( P = .564). Degree of stenosis before first dilation was 53 +/- 14%. Patients underwent 3.8 +/- 1.8 dilations (range, 1-11). Average IDI was 635 +/- 615 days (range, 49-3130 days), including 556 +/- 397 days for patients receiving concomitant steroid injection and 283 +/- 36 for those who did not ( P = .079). Inter-dilation interval was not correlated with BMI ( r = 0.0486; P = .802) or number of co morbidities ( r = -0.225, P = .223). CONCLUSIONS: Most patients with ISS can be managed endoscopically, and IDI may be increased with steroid injection. Gastroesophageal reflux disease is a common co-morbidity. Body mass index did not change over time despite potential effects on exercise tolerance; BMI did not affect IDI. Methods to determine optimal timing for next intervention are warranted. PMID- 27864504 TI - Youth Baseball Pitching Stride Length: Normal Values and Correlation With Field Testing. AB - BACKGROUND: Pitching biomechanical analysis has been recommended as an important component of performance, injury prevention, and rehabilitation. Normal values for youth pitching stride length have not been established, leading to application of normative values found among professional pitchers to youth pitchers. HYPOTHESES: The average youth pitching stride length will be significantly less than that of college and professional pitchers. There will be a positive correlation between stride length, lower extremity power, balance, and pitching experience. STUDY DESIGN: Prospective cohort study. LEVEL OF EVIDENCE: Level 3. METHODS: Ninety-two youth baseball pitchers (aged 9-14 years) met the inclusion/exclusion criteria and completed the study. Stride length was recorded using a Dartfish video system over 3 maximal effort pitches. Both intra- and interrater reliability was calculated for the assessment of stride length. Double leg vertical jump, single-leg stance time, leg length, weight, age, and pitching experience were also recorded. RESULTS: Mean (SD) stride length was 66.0% (7.1%) of height. Stride length was correlated ( P < 0.01) with vertical jump (0.38), pitching experience (0.36), and single-leg balance (0.28), with excellent intra- and interrater reliability (0.985 or higher). No significant correlations between stride length and body weight, leg length, or age existed. CONCLUSIONS: There was a significant difference between youth pitching stride length and the current published norms for older and more elite throwers. There was a positive correlation between stride length and lower extremity power, pitching experience, and single-leg balance. CLINICAL RELEVANCE: Two-dimensional analysis of stride length allows for the assessment of pitching biomechanics in a practical manner. These values can be used for return to pitching parameters after an injury and designing injury prevention and performance programs. PMID- 27864506 TI - Mitigation of whole-body gamma radiation-induced damages by Clerodendron infortunatum in mammalian organisms. AB - Several phytoceuticals and extracts of medicinal plants are reported to mitigate deleterious effects of ionizing radiation. The potential of hydro-alcoholic extract of Clerodendron infortunatum (CIE) for providing protection to mice exposed to gamma radiation was investigated. Oral administration of CIE bestowed a survival advantage to mice exposed to lethal doses of gamma radiation. Radiation-induced depletion of the total blood count and bone marrow cellularity were prevented by treatment with CIE. Damage to the cellular DNA (as was evident from the comet assay and the micronucleus index) was also found to be decreased upon CIE administration. Radiation-induced damages to intestinal crypt cells was also reduced by CIE. Studies on gene expression in intestinal cells revealed that there was a marked increase in the Bax/Bcl-2 ratio in mice exposed to whole-body 4 Gy gamma radiation, and that administration of CIE resulted in significant lowering of this ratio, suggestive of reduction of radiation-induced apoptosis. Also, in the intestinal tissue of irradiated animals, following CIE treatment, levels of expression of the DNA repair gene Atm were found to be elevated, and there was reduction in the expression of the inflammatory Cox-2 gene. Thus, our results suggest a beneficial use of Clerodendron infortunatum for mitigating radiation toxicity. PMID- 27864507 TI - Multicentre dose audit for clinical trials of radiation therapy in Asia. AB - A dose audit of 16 facilities in 11 countries has been performed within the framework of the Forum for Nuclear Cooperation in Asia (FNCA) quality assurance program. The quality of radiation dosimetry varies because of the large variation in radiation therapy among the participating countries. One of the most important aspects of international multicentre clinical trials is uniformity of absolute dose between centres. The National Institute of Radiological Sciences (NIRS) in Japan has conducted a dose audit of participating countries since 2006 by using radiophotoluminescent glass dosimeters (RGDs). RGDs have been successfully applied to a domestic postal dose audit in Japan. The authors used the same audit system to perform a dose audit of the FNCA countries. The average and standard deviation of the relative deviation between the measured and intended dose among 46 beams was 0.4% and 1.5% (k = 1), respectively. This is an excellent level of uniformity for the multicountry data. However, of the 46 beams measured, a single beam exceeded the permitted tolerance level of +/-5%. We investigated the cause for this and solved the problem. This event highlights the importance of external audits in radiation therapy. PMID- 27864508 TI - Radiotherapy using IMRT boosts after hyperbaric oxygen therapy with chemotherapy for glioblastoma. AB - The purpose of this study was to evaluate the feasibility and efficacy of radiotherapy (RT) using intensity-modulated radiotherapy (IMRT) boosts after hyperbaric oxygen (HBO) therapy with chemotherapy in patients with glioblastoma. Twenty-four patients with glioblastoma were treated with the combined therapy, which was RT using IMRT boosts after HBO with chemotherapy, and were retrospectively analyzed. The RT protocol was as follows: first, 3D conformal RT [40 Gy/20 fractions (fr)] was delivered to the gross tumor volume (GTV) and the surrounding edema, including an additional 1.5-2.0 cm. The IMRT boost doses were then continuously delivered to the GTV plus 5 mm (28 Gy/8 fr) and the surrounding edema (16 Gy/8 fr). Each IMRT boost session was performed immediately after HBO to achieve radiosensitization. The planned RT dose was completed in all patients, while HBO therapy was terminated in one patient (4%) due to Grade 2 aural pain. The toxicities were mild, no non-hematological toxicity of Grade 3-5 was observed. The 2-year overall survival (OS) and progression-free survival rates in all patients were 46.5% and 35.4%, respectively. The median OS time was 22.1 months. In conclusion, the combined therapy of RT using IMRT boosts after HBO with chemotherapy was a feasible and promising treatment modality for patients with glioblastoma. The results justify further evaluation to clarify the benefits of this therapy. PMID- 27864509 TI - Loss of beta-adrenergic-stimulated phosphorylation of CaV1.2 channels on Ser1700 leads to heart failure. AB - L-type Ca2+ currents conducted by voltage-gated calcium channel 1.2 (CaV1.2) initiate excitation-contraction coupling in the heart, and altered expression of CaV1.2 causes heart failure in mice. Here we show unexpectedly that reducing beta adrenergic regulation of CaV1.2 channels by mutation of a single PKA site, Ser1700, in the proximal C-terminal domain causes reduced contractile function, cardiac hypertrophy, and heart failure without changes in expression, localization, or function of the CaV1.2 protein in the mutant mice (SA mice). These deficits were aggravated with aging. Dual mutation of Ser1700 and a nearby casein-kinase II site (Thr1704) caused accelerated hypertrophy, heart failure, and death in mice with these mutations (STAA mice). Cardiac hypertrophy was increased by voluntary exercise and by persistent beta-adrenergic stimulation. PKA expression was increased, and PKA sites Ser2808 in ryanodine receptor type-2, Ser16 in phospholamban, and Ser23/24 in troponin-I were hyperphosphorylated in SA mice, whereas phosphorylation of substrates for calcium/calmodulin-dependent protein kinase II was unchanged. The Ca2+ pool in the sarcoplasmic reticulum was increased, the activity of calcineurin was elevated, and calcineurin inhibitors improved contractility and ameliorated cardiac hypertrophy. Cardio-specific expression of the SA mutation also caused reduced contractility and hypertrophy. These results suggest engagement of compensatory mechanisms, which initially may enhance the contractility of individual myocytes but eventually contribute to an increased sensitivity to cardiovascular stress and to heart failure in vivo. Our results demonstrate that normal regulation of CaV1.2 channels by phosphorylation of Ser1700 in cardiomyocytes is required for cardiovascular homeostasis and normal physiological regulation in vivo. PMID- 27864510 TI - Profile of Charles M. Rice, Ralf F. W. Bartenschlager, and Michael J. Sofia, 2016 Lasker-DeBakey Clinical Medical Research Awardees. PMID- 27864511 TI - Root nodule symbiosis in Lotus japonicus drives the establishment of distinctive rhizosphere, root, and nodule bacterial communities. AB - Lotus japonicus has been used for decades as a model legume to study the establishment of binary symbiotic relationships with nitrogen-fixing rhizobia that trigger root nodule organogenesis for bacterial accommodation. Using community profiling of 16S rRNA gene amplicons, we reveal that in Lotus, distinctive nodule- and root-inhabiting communities are established by parallel, rather than consecutive, selection of bacteria from the rhizosphere and root compartments. Comparative analyses of wild-type (WT) and symbiotic mutants in Nod factor receptor5 (nfr5), Nodule inception (nin) and Lotus histidine kinase1 (lhk1) genes identified a previously unsuspected role of the nodulation pathway in the establishment of different bacterial assemblages in the root and rhizosphere. We found that the loss of nitrogen-fixing symbiosis dramatically alters community structure in the latter two compartments, affecting at least 14 bacterial orders. The differential plant growth phenotypes seen between WT and the symbiotic mutants in nonsupplemented soil were retained under nitrogen supplemented conditions that blocked the formation of functional nodules in WT, whereas the symbiosis-impaired mutants maintain an altered community structure in the nitrogen-supplemented soil. This finding provides strong evidence that the root-associated community shift in the symbiotic mutants is a direct consequence of the disabled symbiosis pathway rather than an indirect effect resulting from abolished symbiotic nitrogen fixation. Our findings imply a role of the legume host in selecting a broad taxonomic range of root-associated bacteria that, in addition to rhizobia, likely contribute to plant growth and ecological performance. PMID- 27864512 TI - Epstein-Barr virus super-enhancer eRNAs are essential for MYC oncogene expression and lymphoblast proliferation. AB - Epstein-Barr virus (EBV) super-enhancers (ESEs) are essential for lymphoblastoid cell (LCL) growth and survival. Reanalyses of LCL global run-on sequencing (Gro seq) data found abundant enhancer RNAs (eRNAs) being transcribed at ESEs. Inactivation of ESE components, EBV nuclear antigen 2 (EBNA2) and bromodomain containing protein 4 (BRD4), significantly decreased eRNAs at ESEs -428 and -525 kb upstream of the MYC oncogene transcription start site (TSS). shRNA knockdown of the MYC -428 and -525 ESE eRNA caused LCL growth arrest and reduced cell growth. Furthermore, MYC ESE eRNA knockdown also significantly reduced MYC expression, ESE H3K27ac signals, and MYC ESEs looping to MYC TSS. These data indicate that ESE eRNAs strongly affect cell gene expression and enable LCL growth. PMID- 27864513 TI - Construction of a male sterility system for hybrid rice breeding and seed production using a nuclear male sterility gene. AB - The breeding and large-scale adoption of hybrid seeds is an important achievement in agriculture. Rice hybrid seed production uses cytoplasmic male sterile lines or photoperiod/thermo-sensitive genic male sterile lines (PTGMS) as female parent. Cytoplasmic male sterile lines are propagated via cross-pollination by corresponding maintainer lines, whereas PTGMS lines are propagated via self pollination under environmental conditions restoring male fertility. Despite huge successes, both systems have their intrinsic drawbacks. Here, we constructed a rice male sterility system using a nuclear gene named Oryza sativa No Pollen 1 (OsNP1). OsNP1 encodes a putative glucose-methanol-choline oxidoreductase regulating tapetum degeneration and pollen exine formation; it is specifically expressed in the tapetum and miscrospores. The osnp1 mutant plant displays normal vegetative growth but complete male sterility insensitive to environmental conditions. OsNP1 was coupled with an alpha-amylase gene to devitalize transgenic pollen and the red fluorescence protein (DsRed) gene to mark transgenic seed and transformed into the osnp1 mutant. Self-pollination of the transgenic plant carrying a single hemizygous transgene produced nontransgenic male sterile and transgenic fertile seeds in 1:1 ratio that can be sorted out based on the red fluorescence coded by DsRed Cross-pollination of the fertile transgenic plants to the nontransgenic male sterile plants propagated the male sterile seeds of high purity. The male sterile line was crossed with ~1,200 individual rice germplasms available. Approximately 85% of the F1s outperformed their parents in per plant yield, and 10% out-yielded the best local cultivars, indicating that the technology is promising in hybrid rice breeding and production. PMID- 27864514 TI - Proteomics and comparative genomics of Nitrososphaera viennensis reveal the core genome and adaptations of archaeal ammonia oxidizers. AB - Ammonia-oxidizing archaea (AOA) are among the most abundant microorganisms and key players in the global nitrogen and carbon cycles. They share a common energy metabolism but represent a heterogeneous group with respect to their environmental distribution and adaptions, growth requirements, and genome contents. We report here the genome and proteome of Nitrososphaera viennensis EN76, the type species of the archaeal class Nitrososphaeria of the phylum Thaumarchaeota encompassing all known AOA. N. viennensis is a soil organism with a 2.52-Mb genome and 3,123 predicted protein-coding genes. Proteomic analysis revealed that nearly 50% of the predicted genes were translated under standard laboratory growth conditions. Comparison with genomes of closely related species of the predominantly terrestrial Nitrososphaerales as well as the more streamlined marine Nitrosopumilales [Candidatus (Ca.) order] and the acidophile "Ca. Nitrosotalea devanaterra" revealed a core genome of AOA comprising 860 genes, which allowed for the reconstruction of central metabolic pathways common to all known AOA and expressed in the N. viennensis and "Ca Nitrosopelagicus brevis" proteomes. Concomitantly, we were able to identify candidate proteins for as yet unidentified crucial steps in central metabolisms. In addition to unraveling aspects of core AOA metabolism, we identified specific metabolic innovations associated with the Nitrososphaerales mediating growth and survival in the soil milieu, including the capacity for biofilm formation, cell surface modifications and cell adhesion, and carbohydrate conversions as well as detoxification of aromatic compounds and drugs. PMID- 27864515 TI - Discovery of cofactor-specific, bactericidal Mycobacterium tuberculosis InhA inhibitors using DNA-encoded library technology. AB - Millions of individuals are infected with and die from tuberculosis (TB) each year, and multidrug-resistant (MDR) strains of TB are increasingly prevalent. As such, there is an urgent need to identify novel drugs to treat TB infections. Current frontline therapies include the drug isoniazid, which inhibits the essential NADH-dependent enoyl-acyl-carrier protein (ACP) reductase, InhA. To inhibit InhA, isoniazid must be activated by the catalase-peroxidase KatG. Isoniazid resistance is linked primarily to mutations in the katG gene. Discovery of InhA inhibitors that do not require KatG activation is crucial to combat MDR TB. Multiple discovery efforts have been made against InhA in recent years. Until recently, despite achieving high potency against the enzyme, these efforts have been thwarted by lack of cellular activity. We describe here the use of DNA encoded X-Chem (DEX) screening, combined with selection of appropriate physical properties, to identify multiple classes of InhA inhibitors with cell-based activity. The utilization of DEX screening allowed the interrogation of very large compound libraries (1011 unique small molecules) against multiple forms of the InhA enzyme in a multiplexed format. Comparison of the enriched library members across various screening conditions allowed the identification of cofactor-specific inhibitors of InhA that do not require activation by KatG, many of which had bactericidal activity in cell-based assays. PMID- 27864518 TI - Housing improvement: a novel paradigm for urban vector-borne disease control? PMID- 27864519 TI - Faith and Marital Violence in Sub-Saharan Africa: Exploring the Links Between Religious Affiliation and Intimate Partner Violence Among Women in Ghana. AB - Research shows that intimate partner violence is quite widespread throughout the world. In the case of sub-Saharan Africa (SSA), studies have concluded that cultural and economic factors help to sustain the spread and maintenance of intimate partner violence in the region. Although the cultural interpretations predominate in current research, few have examined the links between religion, an important cultural variable, and intimate partner violence in SSA. Given the growth and importance of religion in African cultures, we used data from the 2008 Ghana Demographic Health Survey ( n = 1,831) and ordinary least squares regression method to investigate the links between religious affiliation and intimate partner violence. Findings from our study point to some variations in intimate partner violence by affiliation. This is especially true with regard to women's experience with sexual violence and emotional violence. Besides religion, we also found ideologies that support wife abuse, the nature of decision-making process at the household level, and husband's use of alcohol to be important determinants of intimate partner violence in Ghana. We examined the implications of these findings. PMID- 27864516 TI - On the (un)predictability of a large intragenic fitness landscape. AB - The study of fitness landscapes, which aims at mapping genotypes to fitness, is receiving ever-increasing attention. Novel experimental approaches combined with next-generation sequencing (NGS) methods enable accurate and extensive studies of the fitness effects of mutations, allowing us to test theoretical predictions and improve our understanding of the shape of the true underlying fitness landscape and its implications for the predictability and repeatability of evolution. Here, we present a uniquely large multiallelic fitness landscape comprising 640 engineered mutants that represent all possible combinations of 13 amino acid changing mutations at 6 sites in the heat-shock protein Hsp90 in Saccharomyces cerevisiae under elevated salinity. Despite a prevalent pattern of negative epistasis in the landscape, we find that the global fitness peak is reached via four positively epistatic mutations. Combining traditional and extending recently proposed theoretical and statistical approaches, we quantify features of the global multiallelic fitness landscape. Using subsets of the data, we demonstrate that extrapolation beyond a known part of the landscape is difficult owing to both local ruggedness and amino acid-specific epistatic hotspots and that inference is additionally confounded by the nonrandom choice of mutations for experimental fitness landscapes. PMID- 27864517 TI - An extensive burden of giardiasis associated with intestinal schistosomiasis and anaemia in school children on the shoreline of Lake Albert, Uganda. AB - BACKGROUND: Water-borne parasitic diseases associated with poverty still blight the lives of African school children. In Uganda, intestinal schistosomiasis is still common along the shoreline of Lake Albert, despite ongoing control, and co infection with giardiasis and malaria is poorly described. To shed light on putative interactions between diseases, a prospective cross-sectional parasitological survey was undertaken in five primary schools. METHODS: Stool samples from 254 school children, aged 5-10 years, were examined by microscopy and rapid diagnostic tests (RDTs), with additional real-time PCR assays for detection of Giardia DNA. A finger-prick blood sample was also taken from each child and tested for malaria, and haemoblobin levels measured. Assocations between diseases and anaemia were assessed. RESULTS: Intestinal schistosomiasis (46.5%), giardiasis (41.6%) and malaria (56.2%) were common, and a quarter of children were anaemic (<115 g/L). Up to 87.0% of children were excreting Giardia DNA and the prevalence of heavy infection by real-time PCR (Ct<=19) was 19.5%, being positively associated with light, moderate and heavy egg-patent schistosomiasis, as well as with anaemia. CONCLUSIONS: In this setting, an extensive burden of giardiasis was revealed with heavy intensity infections associated with egg-patent intestinal schistosomiasis and anaemia. To improve child health, greater attention on giardiasis is needed along with exploring joined-up actions across diseases that promote better water hygiene and sanitation measures. PMID- 27864520 TI - Ibrutinib monotherapy in relapsed/refractory CNS lymphoma: A retrospective case series. PMID- 27864521 TI - Enlargement of deep medullary veins during the early clinical course of Sturge Weber syndrome. PMID- 27864522 TI - Comorbidity between central disorders of hypersomnolence and immune-based disorders. AB - OBJECTIVE: To assess and compare the frequencies of personal and family history of autoimmune diseases (AID), autoinflammatory disorders (ID), and allergies in a population of patients, adults and children, with narcolepsy type 1 (NT1), narcolepsy type 2 (NT2), and idiopathic hypersomnia (IH), 3 central hypersomnia disorders, and healthy controls. METHODS: Personal and family history of AID, ID, and allergies were assessed by questionnaire and medical interview in a large cohort of 450 consecutive adult patients (206 NT1, 106 NT2, 138 IH) and 95 pediatric patients (80 NT1) diagnosed according to the third International Classification of Sleep Disorders criteria in national reference centers for narcolepsy in France and 751 controls (700 adults, 51 children) from the general population. RESULTS: Ten adults with NT1 (4.9%) had a comorbid AID vs 3.4% of adult controls, without between-group differences in adjusted models. AID frequency did not differ between children with NT1 and controls. Conversely, compared with controls, AID frequency was higher in adults with NT2 (p = 0.002), whereas ID (p = 0.0002) and allergy (p = 0.003) frequencies were higher in adults with IH. A positive family history of AID was found in the NT1 group and of ID in the IH group. CONCLUSIONS: NT1 is not associated with increased risk of comorbid immune disorders, in favor of a potentially unique pathophysiology. Conversely, compared with controls, the frequency of autoimmune diseases was higher in adults with NT2, whereas allergies and autoinflammatory disorders were more common in adults with IH, suggesting an immune dysregulation mechanism in these conditions. PMID- 27864523 TI - Carotid artery web and ischemic stroke: A case-control study. AB - OBJECTIVE: To determine whether there is an association between carotid artery web and ischemic stroke. METHODS: This was a single-center, age- and sex-matched, case-control study. Cases were consecutive patients with anterior circulation ischemic stroke of undetermined etiology (Trial of Org 10172 in Acute Stroke Treatment [TOAST] classification). Controls were consecutive patients with cerebral aneurysms, arteriovenous malformations, or primary intracerebral hemorrhages. Additional inclusion criteria were age <60 years and CT angiography of the neck. Two neuroradiologists diagnosed webs according to previously published criteria. One neuroradiologist also assessed for nonstenotic atherosclerotic plaque (carotid wall thickness >=3 mm or intramural calcification). We used conditional logistic regression to estimate the odds ratio between carotid web and ischemic stroke and its 95% confidence interval. RESULTS: Fifty-three of 62 cases (85%) were matched by age (within 1 year) and by sex to 102 controls. There was a carotid web in 4 of 53 cases (9.4%) vs 1 of 102 controls (1.0%, odds ratio = 8.0, 95% confidence interval = 1.2-67, p = 0.032). There was no significant difference in the prevalence of nonstenotic carotid atherosclerotic plaque between the case and control groups. There was agreement on diagnosis of web for 163 of 164 patients (99%) and 7 of 8 webs (88%), and the Cohen kappa for interobserver agreement was 0.93. CONCLUSIONS: There is an association between carotid artery web and ischemic stroke in patients who lack an alternative cause of stroke. Carotid web may be an underappreciated risk factor for stroke. PMID- 27864525 TI - AEDs after ICH: Preventing the prophylaxis. PMID- 27864524 TI - Evolving use of seizure medications after intracerebral hemorrhage: A multicenter study. AB - OBJECTIVE: Prophylactic medications can be a source of preventable harm, potentially affecting large numbers of patients. Few data exist about how clinicians change prescribing practices in response to new data and revisions to guidelines about preventable harm from a prophylactic medication. We sought to determine the changes in prescribing practice of seizure medications for patients with intracerebral hemorrhage (ICH) across a metropolitan area before and after new outcomes data and revised prescribing guidelines were published. METHODS: We conducted an observational study using electronic medical record data from 4 academic medical centers in a large US metropolitan area. RESULTS: A total of 3,422 patients with ICH, diagnosed between 2007 and 2012, were included. In 2009, after a publication found an association of phenytoin with higher odds of dependence or death, the use of phenytoin declined from 9.6% in 2009 to 2.2% in 2012 (p < 0.00001). Conversely, the use of levetiracetam more than doubled, from 15.1% in 2007 to 35% in 2012 (p < 0.00001). Use of levetiracetam varied among the 4 institutions from 6.7% to 29.8% (p < 0.00001). CONCLUSIONS: New data that led to revised prescribing guidelines for prophylactic seizure medications for patients with ICH were temporally associated with a significant decrease in use of the medication, potentially reducing adverse outcomes. However, a corresponding increase in the use of an alternative medication, levetiracetam, occurred despite limited knowledge about its potential effects on outcomes. Future guideline changes should anticipate and address alternatives. PMID- 27864526 TI - RAB39a binds caspase-1 and is required for caspase-1-dependent interleukin-1beta secretion. PMID- 27864527 TI - IL-1-induced post-transcriptional mechanisms target overlapping translational silencing and destabilizing elements in IkappaBzeta mRNA. PMID- 27864528 TI - IRAK1 and IRAK4 promote phosphorylation, ubiquitination, and degradation of MyD88 adaptor-like (Mal). PMID- 27864529 TI - Subversion of Schwann cell glucose metabolism by Mycobacterium leprae. PMID- 27864530 TI - Why Information Matters: Examining the Consequences of Suggesting That Pedophilia Is Immutable. AB - In this study, the impact of suggesting that pedophilia is immutable on a man's specific self-efficacy for modifying his sexual interest in children was examined in 94 men with a sexual interest in children. The participants were selected from differing contexts and included non-forensic patients, forensic patients, and participants from the Internet. Randomly distributed to two conditions, the mutable condition group received the information that experts consider pedophilia to be modifiable, whereas the immutable condition group received the information that experts consider pedophilia to be stable. Afterward, the participants' levels of specific self-efficacy for modifying their sexual interest in children were assessed. Non-forensic participants in the mutable condition reported higher levels of specific self-efficacy than those in the immutable condition. No differences in specific self-efficacy were revealed for the forensic and Internet participants when comparing the mutable and immutable conditions. It would appear appropriate to avoid generalized and absolute statements about the (im)mutability of sexual interest in children, as scientific research on this topic remains insufficient. Furthermore, given the present results, such statements might have serious consequences for an individual's belief in being able to change his sexual interest in children. PMID- 27864531 TI - Familial Depressive Symptoms and Delinquency: Separate Self-Reports From Mothers and Their Offspring. AB - Research has documented that both unipolar and bipolar depression are positively correlated with involvement in delinquency and crime. The present study sought to broaden the understanding of these relationships by looking for links between offending and family histories of depressive symptoms in relationship to offspring delinquency. More than 6,000 college students and their mothers provided self-reported information regarding feelings of depression. Students provided self-reports of involvement in various categories of offending and drug use from ages 10 through 18. Numerous significant positive correlations were found between general feelings of depression and of manic depression and involvement in delinquency. The depression-delinquency relationships were strongest when considering offspring themselves, although maternal depression symptoms were also associated with various forms of offspring delinquency and drug use. To help assess the causal chains that might be involved, multiple regression and mediation analysis revealed that parental depression enhanced the probability of offspring feeling depressed and may have thereby contributed to offspring being delinquent, particularly in the case of manic depression. This study reconfirmed the well-established relationship between depression and involvement in delinquency and drug use, and suggests that it extends back to parental forms of depression, especially by the mother. PMID- 27864532 TI - The Impact of Types and Extent of Trauma on Depressive Affect Among Male Juvenile Sexual Offenders. AB - High levels of depression have been found among incarcerated youth, which suggests that mental health problems are associated with delinquent behavior and are part of a constellation of risk factors that contribute to youth entering the juvenile justice system. In this project, we investigated trauma and mental health issues among male youth in residential treatment, and addressed the following questions: (a) Does childhood trauma predict current depression for male juvenile sexual offenders? (b) If so, do different types of traumas predict depressive affect better than others? and, (c) Does extent of trauma exposure predict depression? Data on incarcerated male juvenile sexual offenders were analyzed ( n = 379). Multiple regressions of various types of traumas and cumulative trauma and depression were conducted. Emotional abuse was the strongest predictor of depressive affect for this sample, and multiple exposures to trauma were the second strongest predictor. PMID- 27864533 TI - Calculating Probability in Sex Offender Risk Assessment. AB - Risk is the probability of an adverse event or outcome. In a previous article, I compared the Bayesian and Frequentist models of defining probability. This article compares the Bayesian and regression models of quantifying probability. Both approaches are widely used in the biomedical and behavioral sciences even though they yield different results. No consensus has emerged as to which is more appropriate. The choice between them remains controversial. This article concludes that the Bayesian model provides a viable alternative to logistic regression and may be more useful in quantifying the absolute recidivism risk of individual sex offenders. It shows how evaluators can easily calculate Bayesian probabilities and their associated credible intervals from an actuarial data set. Last, the article proposes a forensic practice guideline that evaluators do not conclude that an offender meets an absolute risk threshold unless the subject's risk exceeds the threshold by a credible margin of error. PMID- 27864534 TI - Microbiome and nutrition in autism spectrum disorder: current knowledge and research needs. AB - Autism spectrum disorder (ASD) is the fastest growing neurodevelopmental disorder in the United States. Besides genetic risks, environmental factors have been suggested to contribute to the increase in ASD diagnosis over the past decade. Several studies have reported abnormalities in microbiota composition and differences in microbial metabolites in children with ASD. Gastrointestinal discomfort is commonly reported in children with ASD. Additionally, food selectivity and picky eating patterns are commonly reported. A number of mechanisms underlying the interaction between nutrition, the gut microbiota, and ASD symptoms via the microbiota-gut-brain axis have been proposed, including immune, hormonal, or neuronal pathways. Here, the current evidence base regarding the gut environment and nutritional status of children with ASD is reviewed. Potential underlying mechanisms of the microbiota-gut-brain axis in ASD and the interplay between nutrition, microbiota, and ASD symptoms are also reviewed. Future studies investigating the microbiota in the context of dietary intake are needed to increase understanding of the interplay between diet and the gut microbiota in ASD and to identify potential dietary, probiotic, or prebiotic intervention strategies. PMID- 27864537 TI - Effects of probiotic supplementation in patients with type 2 diabetes: systematic review and meta-analysis. AB - CONTEXT: The rising prevalence of type 2 diabetes requires increased efforts to find effective therapeutic agents for this complex condition. Following the recent observation that the gut microbiota is altered in diabetic patients, researchers investigated the effect of probiotics in patients with diabetes. OBJECTIVE: The aim of this systematic review was to assess the effects of probiotic consumption on glycemic control in diabetic patients. DATA SOURCES: PubMed, Scopus, Web of Science (formerly ISI Web of Knowledge), Cochrane Central Register of Controlled Trials, ClinicalTrials.gov, and ProQuest Dissertations and Theses databases were searched up to November 2015. STUDY SELECTION: Clinical trials in diabetic patients in whom probiotics were administered as an intervention were included. DATA EXTRACTION: Primary outcomes were fasting blood glucose, insulin concentration, insulin resistance, and hemoglobin A1c. Secondary outcomes were adverse events. DATA SYNTHESIS: Of the 2736 reports that were screened, 13 clinical trials met the inclusion criteria. Pooling data from eligible clinical trials revealed that probiotic supplementation significantly (P < 0.05) decreased fasting blood glucose and hemoglobin A1c in diabetic patients, although the participants' characteristics (eg, body mass index) and the number and type of probiotic microorganisms affected the clinical response. CONCLUSIONS: Administration of probiotics appears to have a beneficial role in the management of type 2 diabetes; however, more clinical studies with adequate sample sizes and sound methodology are required to inform the development of evidence-based treatment guidelines. PMID- 27864538 TI - Erratum for "Role of maternal vitamins in programming health and chronic disease." Nutrition Reviews 2016; 74: 166-180. PMID- 27864536 TI - Influence of dietary protein and its amino acid composition on postoperative outcomes after gastric bypass surgery: a systematic review. AB - CONTEXT: Bariatric surgery is an effective method to reduce morbid obesity. Nutritional counseling is essential to achieve maximal treatment success and to avoid long-term complications. Increased dietary protein intake may improve various postoperative results. OBJECTIVE: The aim of this systematic review is to examine the relationship between intake of dietary protein or supplementation with amino acids and postoperative outcomes after gastric bypass surgery. DATA SOURCES: A systematic literature search was conducted in 4 electronic databases: Cochrane, Embase, PubMed, and Scopus. STUDY SELECTION: The initial search retrieved 7333 hits, which included 2390 duplicates. DATA EXTRACTION: Tweny-three studies with varying study designs, interventions, and outcomes were included. RESULTS: Studies did not provide convincing evidence of a beneficial effect on any postoperative outcome. CONCLUSIONS: The study of the influence of protein and its amino acid composition represents an important developing domain of knowledge and warrants further attention considering the popularity of bariatric surgery. Future studies should include a clear description of the quantity and composition of proteins and amino acids in the diet or supplement. PMID- 27864535 TI - Effect of diet on mortality and cancer recurrence among cancer survivors: a systematic review and meta-analysis of cohort studies. AB - CONTEXT: Evidence of an association between dietary patterns and individual foods and the risk of overall mortality among cancer survivors has not been reviewed systematically. OBJECTIVE: The aim of this meta-analysis of cohort studies was to investigate the association between food intake and dietary patterns and overall mortality among cancer survivors. DATA SOURCES: The PubMed and Embase databases were searched. STUDY SELECTION: A total of 117 studies enrolling 209 597 cancer survivors were included. DATA EXTRACTION: The following data were extracted: study location, types of outcome, population characteristics, dietary assessment method, risk estimates, and adjustment factors. RESULTS: Higher intakes of vegetables and fish were inversely associated with overall mortality, and higher alcohol consumption was positively associated with overall mortality (RR, 1.08; 95%CI, 1.02-1.16). Adherence to the highest category of diet quality was inversely associated with overall mortality (RR, 0.78; 95%CI, 0.72-0.85; postdiagnosis RR, 0.79; 95%CI, 0.71-0.89), as was adherence to the highest category of a prudent/healthy dietary pattern (RR, 0.81; 95%CI, 0.67-0.98; postdiagnosis RR, 0.77; 95%CI, 0.60-0.99). The Western dietary pattern was associated with increased risk of overall mortality (RR, 1.46; 95%CI, 1.27-1.68; postdiagnosis RR, 1.51; 95%CI, 1.24-1.85). CONCLUSION: Adherence to a high quality diet and a prudent/healthy dietary pattern is inversely associated with overall mortality among cancer survivors, whereas a Western dietary pattern is positively associated with overall mortality in this population. PMID- 27864541 TI - Overexpression of soybean miR172c confers tolerance to water deficit and salt stress, but increases ABA sensitivity in transgenic Arabidopsis thaliana. PMID- 27864539 TI - Bundle-sheath leakiness and intrinsic water use efficiency of a perennial C4 grass are increased at high vapour pressure deficit during growth. AB - Bundle-sheath leakiness (phi) is a key parameter of the CO2-concentrating mechanism of C4 photosynthesis and is related to leaf-level intrinsic water use efficiency (WUEi). This work studied short-term dynamic responses of phi to alterations of atmospheric CO2 concentration in Cleistogenes squarrosa, a perennial grass, grown at high (1.6 kPa) or low (0.6 kPa) vapour pressure deficit (VPD) combined with high or low N supply in controlled environment experiments. phi was determined by concurrent measurements of photosynthetic gas exchange and on-line carbon isotope discrimination, using a new protocol. Growth at high VPD led to an increase of phi by 0.13 and a concurrent increase of WUEi by 14%, with similar effects at both N levels. phi responded dynamically to intercellular CO2 concentration (C i), increasing with C i Across treatments, phi was negatively correlated to the ratio of CO2 saturated assimilation rate to carboxylation efficiency (a proxy of the relative activities of Rubisco and phosphoenolpyruvate carboxylase) indicating that the long-term environmental effect on phi was related to the balance between C3 and C4 cycles. Our study revealed considerable dynamic and long-term variation in phi of C. squarrosa, suggesting that phi should be determined when carbon isotope discrimination is used to assess WUEi Also, the data indicate a trade-off between WUEi and energetic efficiency in C. squarrosa. PMID- 27864544 TI - From the Cover: Investigative Nonclinical Cardiovascular Safety and Toxicology Studies with BMS-986094, an NS5b RNA-Dependent RNA Polymerase Inhibitor. AB - BMS-986094, a 2'-C-methylguanosine prodrug that was in development for treatment of chronic hepatitis C infection was withdrawn from Phase 2 clinical trials because of unexpected cardiac and renal adverse events. Investigative nonclinical studies were conducted to extend the understanding of these findings using more comprehensive endpoints. BMS-986094 was given orally to female CD-1 mice (25 and 150 mg/kg/d) for 2 weeks (53/group) and to cynomolgus monkeys (15 and 30 mg/kg/d) for up to 6 weeks (2-3/sex/group for cardiovascular safety, and 5/sex/group for toxicology). Endpoints included toxicokinetics; echocardiography, telemetric hemodynamics and electrocardiography, and tissue injury biomarkers (monkey); and light and ultrastructural pathology of heart, kidney, and skeletal muscle (mouse/monkey). Dose-related and time-dependent findings included: severe toxicity in mice at 150 mg/kg/d and monkeys at 30 mg/kg/d; decreased left ventricular (LV) ejection fraction, fractional shortening, stroke volume, and dP/dt; LV dilatation, increased QTc interval, and T-wave flattening/inversion (monkeys at >= 15 mg/kg/d); cardiomyocyte degeneration (mice at 150 mg/kg/d and monkeys at >= 15 mg/kg/d) with myofilament lysis/myofbril disassembly; time dependent proteinuria and increased urine beta-2 microglobulin, calbindin, clusterin; kidney pallor macroscopically; and tubular dilatation (monkeys); tubular regeneration (mice 150 mg/kg/d); and acute proximal tubule degeneration ultrastructurally (mice/monkeys); and skeletal muscle degeneration with increased urine myoglobin and serum sTnI. These studies identified changes not described previously in studies of BMS-986094 including premonitory cardiovascular functional changes as well as additional biomarkers for muscle and renal toxicities. Although the mechanism of potential toxicities observed in BMS-986094 studies was not established, there was no evidence for direct mitochondrial toxicity. PMID- 27864546 TI - Comment on "DNA Sensing via TLR-9 Constitutes a Major Innate Immunity Pathway Activated during Erythema Nodosum Leprosum". PMID- 27864547 TI - Response to Comment on "DNA Sensing via TLR-9 Constitutes a Major Innate Immunity Pathway Activated during Erythema Nodosum Leprosum". PMID- 27864543 TI - Long Non-Coding RNAs: A Novel Paradigm for Toxicology. AB - Long non-coding RNAs (lncRNAs) are over 200 nucleotides in length and are transcribed from the mammalian genome in a tissue-specific and developmentally regulated pattern. There is growing recognition that lncRNAs are novel biomarkers and/or key regulators of toxicological responses in humans and animal models. Lacking protein-coding capacity, the numerous types of lncRNAs possess a myriad of transcriptional regulatory functions that include cis and trans gene expression, transcription factor activity, chromatin remodeling, imprinting, and enhancer up-regulation. LncRNAs also influence mRNA processing, post transcriptional regulation, and protein trafficking. Dysregulation of lncRNAs has been implicated in various human health outcomes such as various cancers, Alzheimer's disease, cardiovascular disease, autoimmune diseases, as well as intermediary metabolism such as glucose, lipid, and bile acid homeostasis. Interestingly, emerging evidence in the literature over the past five years has shown that lncRNA regulation is impacted by exposures to various chemicals such as polycyclic aromatic hydrocarbons, benzene, cadmium, chlorpyrifos-methyl, bisphenol A, phthalates, phenols, and bile acids. Recent technological advancements, including next-generation sequencing technologies and novel computational algorithms, have enabled the profiling and functional characterizations of lncRNAs on a genomic scale. In this review, we summarize the biogenesis and general biological functions of lncRNAs, highlight the important roles of lncRNAs in human diseases and especially during the toxicological responses to various xenobiotics, evaluate current methods for identifying aberrant lncRNA expression and molecular target interactions, and discuss the potential to implement these tools to address fundamental questions in toxicology. PMID- 27864549 TI - The Old One-Two: Solving the Mystery of Cognate Help. PMID- 27864550 TI - Pillars Article: A 39-kDa Protein on Activated Helper T Cells Binds CD40 and Transduces the Signal for Cognate Activation of B Cells. Proc. Natl. Acad. Sci. 1992. 89: 6550-6554. PMID- 27864553 TI - Correction: Transcription Factors Directing Th2 Differentiation: Gata-3 Plays a Dominant Role. PMID- 27864548 TI - From IgE to Omalizumab. AB - IgE is the least abundant Ig isotype, yet it plays a critical role in allergic reactions and host protection from helminth infection. Although IgE was discovered 50 years ago, the ultimate evidence for its role in human allergic diseases was obtained by the efficacy of anti-IgE therapy in many clinical trials on asthma and other allergic diseases. Beginning from the discovery of IgE 50 y ago, followed by studies of IgE receptors and activation mechanisms, this review provides a historic perspective of allergy research that has led to the development of anti-IgE therapy and other strategies targeting IgE and its receptors. Current IgE studies toward future precision medicine are also reviewed. PMID- 27864551 TI - Immunological Outcomes of Antibody Binding to Glycans Shared between Microorganisms and Mammals. AB - Glycans constitute basic cellular components of living organisms across biological kingdoms, and glycan-binding Abs participate in many cellular interactions during immune defense against pathogenic organisms. Glycan epitopes are expressed as carbohydrate-only entities or as oligomers or polymers on proteins and lipids. Such epitopes on glycoproteins may be formed by posttranslational modifications or neoepitopes resulting from metabolic-catabolic processes and can be altered during inflammation. Pathogenic organisms can display host-like glycans to evade the host immune response. However, Abs to glycans, shared between microorganisms and the host, exist naturally. These Abs are able to not only protect against infectious disease, but also are involved in host housekeeping functions and can suppress allergic disease. Despite the reactivity of these Abs to glycans shared between microorganisms and host, diverse tolerance-inducing mechanisms permit the B cell precursors of these Ab secreting cells to exist within the normal B cell repertoire. PMID- 27864555 TI - Working Memory Capacity Predicts Selection and Identification Errors in Visual Search. AB - As public safety relies on the ability of professionals, such as radiologists and baggage screeners, to detect rare targets, it could be useful to identify predictors of visual search performance. Schwark, Sandry, and Dolgov found that working memory capacity (WMC) predicts hit rate and reaction time in low prevalence searches. This link was attributed to higher WMC individuals exhibiting a higher quitting threshold and increasing the probability of finding the target before terminating search in low prevalence search. These conclusions were limited based on the methods; without eye tracking, the researchers could not differentiate between an increase in accuracy due to fewer identification errors (failing to identify a fixated target), selection errors (failing to fixate a target), or a combination of both. Here, we measure WMC and correlate it with reaction time and accuracy in a visual search task. We replicate the finding that WMC predicts reaction time and hit rate. However, our analysis shows that it does so through both a reduction in selection and identification errors. The correlation between WMC and selection errors is attributable to increased quitting thresholds in those with high WMC. The correlation between WMC and identification errors is less clear, though potentially attributable to increased item inspection times in those with higher WMC. In addition, unlike Schwark and coworkers, we find that these WMC effects are fairly consistent across prevalence rates rather than being specific to low-prevalence searches. PMID- 27864554 TI - Nostril Advantage in Trigeminal/Olfactory Perception and Its Relation to Handedness. AB - Introduction Few studies investigated nostril-advantage in chemosensory perception, particularly, in relation to handedness. The aim of the present article was therefore to assess whether trigeminal/olfactory perception is altered by handedness. Methods We tested 50 (all right-handed) and 43 (22 left handed) participants in Studies 1 and 2, respectively. We used binary mixtures of cinnamaldehyde and eucalyptol, in different proportions presented as physical mixtures (the same exact mixture presented birhinally to each nostril) or as a dichorhinic mixtures (different mixtures presented to each nostril). Presenting dichorhinic mixtures allowed us to assess nostril dominance based on participants' report on whether the mixture smelled more like cinnamon or eucalyptus. Participants also evaluated whether the stimuli were "painful," "warm," "cold," and "intense" on visual scales. Results In Study 1, we find that in right handers, stimuli presented to the right nostril dominated over those presented to the left nostril. These stimuli were also rated as more "painful" and "intense." In Study 2, we could not corroborate the findings in the right handed individuals, and we found limited support for a nostril advantage left handed individuals. Conclusion Although our data points toward a certain nostril advantage in chemosensory perception, the finding is not systematic, we discuss possible underlying factors. PMID- 27864556 TI - The Independent Perceptual Calibration of Action-Neutral and -Referential Environmental Properties. AB - Two experiments were conducted to explore how the calibration of perception of environmental properties taken with reference to an animal and their action capabilities (e.g., affordances) and those that are independent of action capabilities (e.g., metric properties) relate. In both experiments, participants provided reports of the maximum height they could reach above their head with a number of different stick(s) (reach-with-stick height) and the length of those stick(s), a property that is a constituent of reach-with-stick height. In Experiment 1 reach-with-stick height reports improved over trials whereas stick length reports remained constant. In Experiment 2, feedback about maximum reach with-stick height improved perception of this affordance, but such improvements did not transfer to perception of stick length in a pretest/practice task/posttest design. The results suggest that the perceptual calibration with practice perceiving or feedback about actual dimensions of action-referential and action-neutral properties do not necessarily depend on one another. PMID- 27864552 TI - Immune-Mediated Protection and Pathogenesis of Chikungunya Virus. AB - Chikungunya virus (CHIKV) is a re-emerging alphavirus that causes debilitating acute and chronic arthritis. Infection by CHIKV induces a robust immune response that is characterized by production of type I IFNs, recruitment of innate and adaptive immune cells, and development of neutralizing Abs. Despite this response, chronic arthritis can develop in some individuals, which may be due to a failure to eliminate viral RNA and Ag and/or persistent immune responses that cause chronic joint inflammation. In this review, based primarily on advances from recent studies in mice, we discuss the innate and adaptive immune factors that control CHIKV dissemination and clearance or contribute to pathogenesis. PMID- 27864559 TI - Effect of Calcaneus Fracture Gap Without Step-Off on Stress Distribution Across the Subtalar Joint. AB - BACKGROUND: Subtalar arthritis is a common consequence following calcaneal fracture, and its development is related to the severity of the fracture. Previous calcaneal fracture models have demonstrated altered contact characteristics when a step-off is created in the posterior facet articular surface. Changes in posterior facet contact characteristics have not been previously characterized for calcaneal fracture gap without step-off. METHODS: The contact characteristics (peak pressure, area of contact, and centroid of pressure) of the posterior facet of the subtalar joint were determined in 6 cadaveric specimens. After creating a calcaneal fracture to simulate a Sanders type II fracture, the contact characteristics were determined with the posterior facet anatomically reduced followed by an incremental increase in fracture gap displacement of 2, 3, and 5 mm without a step-off of the articular surface. RESULTS: Peak pressure on the medial fragment was significantly less with a 5-mm gap compared to a 2- or 3-mm gap, or reduced. On the lateral fragment, the peak pressure was significantly increased with a 5-mm gap compared to a 2- or 3-mm gap. Contact area significantly changed with increased gap. CONCLUSION: In this study, there were no significant differences in contact characteristics between a <3-mm gap and an anatomically reduced fracture, conceding the study limitations including limiting axial loading to 50% of donor body weight. CLINICAL RELEVANCE: A small amount of articular incongruity without a step-off can be tolerated by the subtalar joint, in contrast to articular incongruity with a step-off present. PMID- 27864558 TI - Prospective study of the innate cellular immune response in low vaccine responder children. AB - We recently reported our findings from a longitudinal, prospective study where we identified 10% infants who were low vaccine responders (LVR) at age 9-12 mo following routine primary series vaccine schedule. We found multiple cellular deficiencies in LVR children, including low number of memory B cells, reduced polyclonal stimulation of naive/memory T cell response and suboptimal APC response. These children outgrew their poor vaccine response by the time they received booster doses of vaccine. Studies in human infant innate immunity are rare because of the unique challenges in specimen collection. As innate immunity instructs adaptive immunity, we hypothesized that the primary immune defect lies with innate immunity and in this study we sought to determine the ontogeny of innate immune response in LVR children between 6 and 36 mo of age. Interestingly, suboptimal APC response observed in LVR children at 6-9 mo of age characterized by significantly ( P < 0.05) low basal MHC II expression, low R848 induced IRF7 fold change, as well as low IFN-alpha, IL-12p70 and IL-1beta levels, came to parity with normal vaccine responders by 12-15 mo of age, suggesting that the observed immune deficiency in LVR children may be the result of delayed maturation of immune system. PMID- 27864560 TI - What is pathological May-Thurner syndrome? PMID- 27864561 TI - Incidence of deep vein thrombosis in patients undergoing breast reconstruction with autologous tissue transfer. AB - Background Breast reconstruction is associated with multiple risk factors for venous thromboembolism. However, the incidence of deep vein thrombosis in patients undergoing breast reconstruction is uncertain. Objective The aim of this study was to prospectively evaluate the incidence of deep vein thrombosis in patients undergoing breast reconstruction using autologous tissue transfer and to identify potential risk factors for deep vein thrombosis. Methods Thirty-five patients undergoing breast reconstruction were enrolled. We measured patients' preoperative characteristics including age, body mass index (kg/m2), and risk factors for deep vein thrombosis. The preoperative diameter of each venous segment in the deep veins was measured using duplex ultrasound. All patients received intermittent pneumatic pump and elastic compression stockings for postoperative thromboprophylaxis. Results Among the 35 patients evaluated, 11 (31.4%) were found to have deep vein thrombosis postoperatively, and one patient was found to have pulmonary embolism postoperatively. All instances of deep vein thrombosis developed in the calf and were asymptomatic. Ten of 11 patients underwent free flap transfer, and the remaining one patient received a latissimus dorsi pedicled flap. Deep vein thrombosis incidence did not significantly differ between patients with a free flap or pedicled flap (P = 0.13). Documented risk factors for deep vein thrombosis demonstrated no significant differences between patients with and without deep vein thrombosis. The diameter of the common femoral vein was significantly larger in patients who developed postoperative deep vein thrombosis than in those who did not ( P < 0.05). Conclusions The morbidity of deep vein thrombosis in patients who underwent breast reconstruction using autologous tissue transfer was relatively high. Since only the diameter of the common femoral vein was predictive of developing postoperative deep vein thrombosis, postoperative pharmacological thromboprophylaxis should be considered for all patients undergoing breast reconstruction regardless of operative procedure. PMID- 27864562 TI - Response to letter: Long-term follow-up results of patients undergoing transjugular coil embolisation. PMID- 27864564 TI - Hierarchical structure and importance of patients' reasons for treatment choices in knee and hip osteoarthritis: a concept mapping study. AB - OBJECTIVES: To improve patients' use of conservative treatment options of hip and knee OA, in-depth understanding of reasons underlying patients' treatment choices is required. The current study adopted a concept mapping method to thematically structure and prioritize reasons for treatment choice in knee and hip OA from a patients' perspective. METHODS: Multiple reasons for treatment choices were previously identified using in-depth interviews. In consensus meetings, experts derived 51 representative reasons from the interviews. Thirty-six patients individually sorted the 51 reasons in two card-sorting tasks: one based on content similarity, and one based on importance of reasons. The individual sortings of the first card-sorting task provided input for a hierarchical cluster analysis (squared Euclidian distances, Ward's method). The importance of the reasons and clusters were examined using descriptive statistics. RESULTS: The hierarchical structure of reasons for treatment choices showed a core distinction between two categories of clusters: barriers [subdivided into context (e.g. the healthcare system) and disadvantages] and outcome (subdivided into treatment and personal life). At the lowest level, 15 clusters were identified of which the clusters Physical functioning, Risks and Prosthesis were considered most important when making a treatment decision for hip or knee OA. CONCLUSION: Patients' treatment choices in knee and hip OA are guided by contextual barriers, disadvantages of the treatment, outcomes of the treatment and consequences for personal life. The structured overview of reasons can be used to support shared decision-making. PMID- 27864563 TI - A replication study and meta-analysis of mitochondrial DNA variants in the radiographic progression of knee osteoarthritis. AB - OBJECTIVE: To conduct a replication study and meta-analysis involving the study of mtDNA variants in the radiographic progression of OA in different cohorts worldwide, including Cohort Hip and Cohort Knee (CHECK), the OA Initiative and a cohort from Spain. METHODS: The influence of the haplogroups in the rate of radiographic progression at 96 months in 431 subjects from CHECK was assessed in terms of Kellgren and Lawrence (KL) grade. Progression was defined as a change from KL ? 1 at baseline to any higher grade during the follow-up. Extended Cox proportional hazard models were used to analyse the influence of mtDNA variants in the rate of radiographic knee OA progression. A subsequent meta-analysis of 1603 subjects following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines was conducted to combine the data of individual studies. A sensitivity analysis was performed to validate the stability of the results. RESULTS: CHECK subjects carrying the haplogroup T showed the lowest rate of radiographic knee OA progression [hazard ratio (HR) 0.645 (95% CI 0.419, 0.978); P < 0.05]. When pooled, subjects within the superhaplogroup JT showed the same trend [HR 0.707 (95% CI 0.501, 0.965); P < 0.05]. BMI [HR 1.046 (95% CI 1.018, 1.073); P < 0.05] and bilateral OA [HR 2.266 (95% CI 1.733, 2.954); P < 0.05] at baseline are risk factors for radiographic knee OA progression as well. In the meta-analysis there was a reduced rate of radiographic progression in subjects with haplogroup T [HR 0.612 (95% CI 0.454, 0.824); P = 0.001] or in the superhaplogroup JT [HR 0.765 (95% CI 0.624, 0.938); P = 0.009]. Sensitivity analysis revealed that the results were robust. CONCLUSION: The mtDNA variants in the superhaplogroup JT associate with a reduced rate of radiographic OA progression. The mtDNA polymorphisms in the superhaplogroup JT emerge as potential complementary genetic biomarkers for disease progression. PMID- 27864566 TI - Using Practice-Based Evidence to Improve Supportive Care Practices to Reduce Central Line-Associated Bloodstream Infections in a Pediatric Oncology Unit [Formula: see text]. AB - Children with cancer are a subset of patients with central lines with distinct risk factors for infection including periods of prolonged neutropenia and compromised mucous membrane integrity. This article relates the implementation of principles of practice-based evidence to identify interventions in addition to best practice maintenance care bundles to reduce central line-associated bloodstream infections involving viridans group streptococci and coagulase negative staphylococci on an inpatient pediatric oncology unit. Review of individual events combined with review of current clinical practice guided the development of structured protocols emphasizing routine oral care and general supportive cares. Key principles of the protocols emphasized a 1-2-3 mnemonic and included daily bathing, twice daily oral care, and out-of-bed activity 3 times daily. Poisson regression identified a significant main effect for time period for central line-associated bloodstream infection rates involving both viridans group streptococci and coagulase-negative staphylococci. Significant differences were present between the preintervention baseline and implementation of the supportive care protocols. Project outcomes demonstrate the added value of using principles of practice-based evidence to guide the development of interventions to improve clinical care when evidence-based sources are limited. PMID- 27864567 TI - Remembering to learn: the overlooked role of remembrance in safety improvement. PMID- 27864565 TI - Targeting non-canonical nuclear factor-kappaB signalling attenuates neovascularization in a novel 3D model of rheumatoid arthritis synovial angiogenesis. AB - OBJECTIVE: Angiogenesis is crucial in RA disease progression. Lymphotoxin beta receptor (LTbetaR)-induced activation of the non-canonical nuclear factor-kappaB (NF-kappaB) pathway via NF-kappaB-inducing kinase (NIK) has been implicated in this process. Consequently, inhibition of this pathway may hold therapeutic potential in RA. We describe a novel three-dimensional (3D) model of synovial angiogenesis incorporating endothelial cells (ECs), RA fibroblast-like synoviocytes (RAFLSs) and RA synovial fluid (RASF) to further investigate the contributions of NF-kappaB in this process. METHODS: Spheroids consisting of RAFLSs and ECs were stimulated with RASF, the LTbetaR ligands LTbeta and LIGHT, or growth factor bFGF and VEGF, followed by quantification of EC sprouting using confocal microscopy and digital image analysis. Next, the effects of anginex, NIK targeting siRNA (siNIK), LTbetaR-Ig fusion protein (baminercept) and a novel pharmacological NIK inhibitor were investigated. RESULTS: RASF significantly promoted sprout formation, which was blocked by the established angiogenesis inhibitor anginex (P < 0.05). LTbeta and LIGHT induced significant sprouting (P < 0.05), as did bFGF/VEGF (P < 0.01). siNIK pre-treatment of ECs led to reductions in LTbetaR-induced vessel formation (P < 0.05). LTbetaR-Ig not only blocked LTbeta- or LIGHT-induced sprouting, but also RASF-induced sprouting (P < 0.05). The NIK inhibitor blocked angiogenesis induced by LTbeta, LIGHT, growth factors (P < 0.05) and RASF (P < 0.01). CONCLUSION: We present a novel 3D model of synovial angiogenesis incorporating RAFLSs, ECs and RASF that mimics the in vivo situation. Using this system, we demonstrate that non-canonical NF-kappaB signalling promotes neovascularization and show that this model is useful for dissecting relative contributions of signalling pathways in specific cell types to angiogenic responses and for testing pharmacological inhibitors of angiogenesis. PMID- 27864568 TI - Value of dynamic MRI using the Ktrans technique for assessment of native kidneys in pre-emptive renal transplantation. AB - Background Different non-invasive imaging techniques such as Doppler ultrasonography and renal scintigraphy are commonly employed to assess allograft function and associated complications. However, all such methods lack sufficient specificity to discriminate between residual renal function of native kidneys. Dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) evaluates signal dynamics during the passage of contrast material through the renal cortex, medulla, and collecting system. Purpose To investigate the value of DCE 3T MRI using a quantitative pharmacokinetic parameter (Ktrans) for the assessment of native kidneys before and after pre-emptive renal transplantation. Material and Methods Twenty-five consecutive patients with end-stage renal disease underwent DCE MRI before and 6 months after kidney transplantation. MRI was performed using a 3T scanner. Regions of interests were drawn over each kidney, encompassing the cortex and medulla but excluding the collecting system and any coexisting cysts. Parametric Ktrans values were automatically generated. Results In the pre transplantation group, mean Ktrans values for the right and left kidneys were 0.55 +/- 0.09 min-1 and 0.44 +/- 0.15 min-1, respectively. In the post transplantation group, mean Ktrans values of the right and left kidneys were 0.27 +/- 0.07 min-1 and 0.25 +/- 0.10 min-1, respectively. There were statistically significant differences between right and left kidneys in terms of mean Ktrans values in the pre- and post-transplantation groups ( P < 0.001). Conclusion Our preliminary results show that native kidneys were still functioning 6 months after transplantation. MR perfusion using Ktrans may constitute a non-invasive means of determination of the viability of native kidneys after renal transplantation. PMID- 27864569 TI - Repeated self-harm in young people: a review. AB - OBJECTIVES: This paper provides a review of the rates of self-harm and repeated self-harm among young people. It describes some of the risk factors associated with these behaviours and summarises some of the barriers to delivering optimal treatment. CONCLUSIONS: The review concludes that there is an urgent need for the delivery of respectful and evidence-based practice to all young people who present with self-harm. In addition, improved monitoring of self-harm presentations to hospitals across Australia is required in order that robust data are collected and the impact of practice change can be reliably assessed. PMID- 27864570 TI - Comparing Help-Seeking Behavior of Male and Female Survivors of Sexual Assault: A Content Analysis of a Hotline. AB - This content analysis examines written documentation of telephone calls to a regional sexual assault hotline over a 5-year period. All male callers identified as primary victims were selected for analysis ( n = 58) and a corresponding sample of female primary victims ( n = 58) were randomly selected for comparison to better understand the help-seeking behavior of sexual assault survivors and inform services accordingly. A summative content analysis revealed significant contrasting themes between male and female victims, including females significantly receiving more referrals and males accessing the hotline to tell their experience of being sexually assaulted due to perceived limited support. Implications for training, practice, and future research are discussed. PMID- 27864571 TI - The Relationship Between Coach and Player Training Load Perceptions in Professional Soccer. AB - The training load imposed and perceived by coaches and soccer players, respectively, was compared for three weeks of the basic preparatory period of a professional soccer team through session ratings of perceived exertion (S-RPE). Participants were 24 professional Brazilian soccer players (all males, age: 24.1 +/- 3.4 years) and their coaches. Athletes responded to the scale of perceived exertion (scores from 0 to10) after the training, while the coaches completed the scale prior to the training session, based on prior planning. The t-test for independent samples was used to compare S-RPE responses, and the Pearson correlation test was used to examine possible correlations between the parameters analyzed. There were no statistical differences between perceptions of prescribed (coaches) and experienced (players) S-RPE, and moderate correlations were found between these parameters ( r = .60; p = .003). No statistically significant group differences were found in the perceived exertion during any of three types of training: physical, technical, or tactical. The results suggest that the S-RPE prescribed during the preseason period (by coaches) was not different from that perceived by professional soccer players. PMID- 27864572 TI - Models of health behaviour predict intention to use long acting reversible contraception use. PMID- 27864573 TI - Multi-Level Assessment to Reach Out to Rural Breast Cancer Survivors. PMID- 27864575 TI - Tumor Humor? PMID- 27864576 TI - A Case of Nivolumab-Induced Myositis. PMID- 27864574 TI - Enhancing Endocrine Therapy Combination Strategies for the Treatment of Postmenopausal HR+/HER2- Advanced Breast Cancer. AB - : Breast cancer (BC) is the most common malignancy in women worldwide, with approximately two-thirds having hormone receptor-positive (HR+) tumors. New endocrine therapy (ET) strategies include combining ET agents as well as adding inhibitors targeting growth factors, angiogenesis, the mechanistic target of rapamycin, phosphoinositide 3-kinase (PI3K), or cyclin-dependent kinase 4/6 to ET. Level 1 evidence supports use of fulvestrant plus anastrozole or palbociclib plus letrozole as first-line therapy for HR+/HER- advanced BC with special consideration for the former in ET-naive patients, as well as everolimus plus exemestane or palbociclib plus fulvestrant as second-line therapy with special consideration in select first-line patients. Although the safety profiles of these combinations are generally predictable and manageable, both everolimus and palbociclib are associated with an increased risk of potentially serious or early onset toxicities requiring individualized a priori adverse event risk stratification, earlier and more rigorous agent-specific monitoring, and patient education. Although each of these combinations improves progression-free survival, none with the exception of anastrazole plus fulvestrant have demonstrated improved overall survival. PI3K catalytic-alpha mutations assessed from circulating tumor DNA represent the first potentially viable serum biomarker for the selection of ET combinations, and new data demonstrate the feasibility of this minimally invasive technique as an alternative to traditional tissue analysis. Therapeutic ratios of select ET combinations support their use in first and second-line settings, but optimal sequencing has yet to be determined. THE ONCOLOGIST: 2017;22:12-24 IMPLICATIONS FOR PRACTICE: Emerging data show that new endocrine therapy (ET) combinations can improve progression-free and overall survival outcomes in patients with hormone receptor-positive, HER2-negative (HR+/HER-) advanced breast cancer. Level 1 evidence supports consideration of dual ET regimens, particularly in ET-naive patients, or palbociclib plus letrozole as first-line therapy, as well as the addition of mTOR or CDK4/6 inhibitors to established ET in the second-line setting and in select first-line patients. Some combinations are associated with increased risk of class-specific toxicities that will require individualized risk stratification, earlier and more rigorous agent-specific monitoring, and patient education. Recent data on a noninvasive biomarker assay that predicts response to a phosphoinositide 3-kinase inhibitor demonstrates the feasibility of this minimally invasive technique as an alternative to traditional tissue analysis. PMID- 27864577 TI - Diagnosing necrotic meningioma: a distinctive imaging pattern in diffusion MRI and MR spectroscopy. AB - The differential diagnosis of necrotic meningiomas includes brain abscess and malignant neoplasms. We report and discuss hereby the work-up of two patients diagnosed with necrotic meningioma using diffusion-weighted imaging, magnetic resonance spectroscopy, resective surgery, and histopathology. The purpose of the present article is to add to the scant literature on the use of advanced imaging modalities in the routine investigation of brain lesions and their utility in arriving at the final diagnosis. PMID- 27864580 TI - Farewell 2016, it's been swell! PMID- 27864579 TI - Automated segmentation reveals silent radiographic progression in adult-onset vanishing white-matter disease. AB - Adult-onset vanishing white-matter disease (VWM) is a rare autosomal recessive disease with neurological symptoms such as ataxia and paraparesis, showing extensive white-matter hyperintensities (WMH) on magnetic resonance (MR) imaging. Besides symptom-specific scores like the International Cooperative Ataxia Rating Scale (ICARS), there is no established tool to monitor disease progression. Because of extensive WMH, visual comparison of MR images is challenging. Here, we report the results of an automated method of segmentation to detect alterations in T2-weighted fluid-attenuated-inversion-recovery (FLAIR) sequences in a one year follow-up study of a clinically stable patient with genetically diagnosed VWM. Signal alterations in MR imaging were quantified with a recently published WMH segmentation method by means of extreme value distribution (EVD). Our analysis revealed progressive FLAIR alterations of 5.84% in the course of one year, whereas no significant WMH change could be detected in a stable multiple sclerosis (MS) control group. This result demonstrates that automated EVD-based segmentation allows a precise and rapid quantification of extensive FLAIR alterations like in VWM and might be a powerful tool for the clinical and scientific monitoring of degenerative white-matter diseases and potential therapeutic interventions. PMID- 27864581 TI - Prognostic Value of Diffusion-Weighted Imaging (DWI) Apparent Diffusion Coefficient (ADC) in Patients with Hyperacute Cerebral Infarction Receiving rt-PA Intravenous Thrombolytic Therapy. AB - BACKGROUND The aim of this study was to investigate the potential value of apparent diffusion coefficient (ADC) of diffusion-weighted imaging (DWI) in the prognosis of patients with hyperacute cerebral infarction (HCI) receiving intravenous thrombolytic therapy with recombinant tissue plasminogen activator (rt-PA). MATERIAL AND METHODS From June 2012 to June 2015, 58 cases of HCI (<6 h) undergoing rt-PA intravenous thrombolytic therapy (thrombolysis group) and 70 cases of HCI (<6 h) undergoing conventional antiplatelet and anticoagulant therapy (control group) in the same period were collected. DWI was conducted on all the subjects, and ADC maps were generated with Functool software to quantify ADC value. The clinical outcomes of HCI patients were observed for 3 months, and prognostic factors were analyzed. RESULTS Before thrombolysis treatment, the lesion area presented high signal intensity on DWI map and low signal intensity on ADC map, and gradually weakened signal intensity on DWI map and gradually enhanced signal intensity on ADC map were observed after thrombolysis. The ADC values of the thrombolysis group were significantly higher than those of the control group after treatment (24 h, 7 d, 30 d, and 90 d) (all P<0.05), and the ADC and rADC values in the thrombolysis group gradually increased over time (all P<0.05). Multiple logistic regression analysis showed that baseline National Institutes of Health Stroke Scale (NIHSS) score, baseline rADC value, and stroke history were the independent factors for the prognosis of HIC patients with thrombolysis (all P<0.05). CONCLUSIONS The values of ADC and rADC may provide guidance in the prognosis of HCI patients receiving rt-PA, and the baseline rADC value is the protective factor for the prognosis of HCI patients receiving rt-PA. PMID- 27864578 TI - Mesoscopic imaging of glioblastomas: Are diffusion, perfusion and spectroscopic measures influenced by the radiogenetic phenotype? AB - The purpose of this study was to identify markers from perfusion, diffusion, and chemical shift imaging in glioblastomas (GBMs) and to correlate them with genetically determined and previously published patterns of structural magnetic resonance (MR) imaging. Twenty-six patients (mean age 60 years, 13 female) with GBM were investigated. Imaging consisted of native and contrast-enhanced 3D data, perfusion, diffusion, and spectroscopic imaging. In the presence of minor necrosis, cerebral blood volume (CBV) was higher (median +/- SD, 2.23% +/- 0.93) than in pronounced necrosis (1.02% +/- 0.71), pcorr = 0.0003. CBV adjacent to peritumoral fluid-attenuated inversion recovery (FLAIR) hyperintensity was lower in edema (1.72% +/- 0.31) than in infiltration (1.91% +/- 0.35), pcorr = 0.039. Axial diffusivity adjacent to peritumoral FLAIR hyperintensity was lower in severe mass effect (1.08*10-3 mm2/s +/- 0.08) than in mild mass effect (1.14*10-3 mm2/s +/- 0.06), pcorr = 0.048. Myo-inositol was positively correlated with a marker for mitosis (Ki-67) in contrast-enhancing tumor, r = 0.5, pcorr = 0.0002. Changed CBV and axial diffusivity, even outside FLAIR hyperintensity, in adjacent normal-appearing matter can be discussed as to be related to angiogenesis pathways and to activated proliferation genes. The correlation between myo inositol and Ki-67 might be attributed to its binding to cell surface receptors regulating tumorous proliferation of astrocytic cells. PMID- 27864582 TI - [Skin diseases due to systemic vasculitides and vasculopathies]. AB - Vasculitis and vasculopathy are two distinct disease entities. Each entity comprises a large number of heterogeneous diseases, which can occur alone or associated with autoimmune, infectious or neoplastic diseases. The terms vasculitis and vasculopathy are often falsely used synonymously. A vasculitis initially causes inflammation of the vessel walls that may result in a secondary occlusion. In contrast, a vasculopathy is a primary occlusion of the vascular lumen, which is followed by inflammation after ischemia and ulceration. In most patients the distinction can be made based on the clinical presentation. A clear clinical diagnosis is then followed by targeted serological, histological and imaging procedures to confirm the clinical diagnosis. On this basis a well founded treatment can be initiated. In the presence of vasculitis an anti inflammatory therapy is indicated, whereas in the case of vasculopathy, removal of the vascular occlusion is the main focus. This article provides an overview of the various diseases and addresses the pathogenetic and clinical characteristics used to differentiate the individual disease entities. It also provides an insight into the therapy options and prophylaxis. PMID- 27864584 TI - Reminiscence of Forty Years of Environmental Chemistry. PMID- 27864583 TI - Removal and Biodegradation of Phenanthrene, Fluoranthene and Pyrene by the Marine Algae Rhodomonas baltica Enriched from North Atlantic Coasts. AB - This study is focused on the removal, accumulation and degradation of three environmental ubiquitous polycyclic aromatic hydrocarbons (PAHs), phenanthrene (PHE), fluoranthene (FLA) and pyrene (PYR), by the marine alga Rhodomonas baltica enriched from the English Channel. After separation, purification and culture in several phases, R. baltica was exposed to PAH concentrations that are frequently encountered in the field in several anthropized environments. The results showed that R. baltica can grow under PAH stress, efficiently remove up to 70% of these compounds from the medium by 216 h of culture and selectively bioaccumulate PAHs by their hydrophobicity. Between PHE, FLA and PYR, phenanthrene was the compound with higher degradation rates throughout incubation. The equilibrium partitioning theoretical approach showed that physico-chemical partitioning, rather than active bioconcentration, was the major factor governing the bioaccumulation, outlying a potential application in decontamination processes for this species. PMID- 27864585 TI - Changes in Glutathione S-Transferase Activity and Parental Care Patterns in a Catfish (Pisces, Ariidae) as a Biomarker of Anthropogenic Impact in a Brazilian Harbor. AB - Catfish have been used as a model system for studying biochemical mechanisms of biotransformation. The main goal of this study was to identify alterations in hepatic glutathione S-transferase (GST) activity and changes in the parental care pattern of a mouth-brooding catfish, Sciades herzbergii, as a biomarker of anthropogenic impact in a port area on the northeastern coast of Brazil. The fish were sampled from a natural reserve (A1 = reference site) and from an industrialized port area (A2 = impacted site). Two analyses were carried out: hepatic GST activity and mouth-brooding behavior of males. Catfish collected from the A1 site displayed all stages of gonadal maturation, and some of the adult males were mouth brooding 12-30 embryos. Not all gonadal maturation stages of the catfish were represented at the A2 site, and no mouth-brooding males were observed. GST activity in the liver of S. herzbergii was significantly higher in fish from the impacted site compared with fish from the reference site. Values for the enzymatic activity increased progressively in fish sampled from the reserve area as they became more reproductively mature (immature <= maturing <= mature <= spent). However, the greatest values for GST activity (2.84 +/- 0.31 MUmol min-1 mg protein-1) among fish sampled from the impacted area were found in (immature) juveniles. These data suggest that changes in hepatic GST activity and mouth-brooding behavior of S. herzbergii can be used as biomarkers of anthropogenic impact. PMID- 27864586 TI - Lifetime prevalence of and factors associated with non-traumatic musculoskeletal pains amongst surgeons and patients. AB - PURPOSE: There is evidence that surgeons make different recommendations for people seeking their care than they make for themselves. There may also be differences in pain episodes and management strategies between surgeons and people seeking care, knowledge of which might improve care. We aimed to assess whether the prevalence of non-traumatic pains, treatments and other factors differed between patients and surgeons. MATERIALS AND METHODS: Two-hundred and twenty surgeons, members of the Science of Variation Group (SOVG), and 248 patients seeking care at the Hand Service at a large academic hospital completed a survey regarding the lifetime incidence of non-traumatic pains lasting > one month using short versions of the Pain Catastrophising Scale (PCS-4); Patient Health Questionnaire (PHQ-2); and Short Health Anxiety Inventory (SHAI-5). RESULTS: Surgeons had a higher prevalence of at least one non-traumatic pain than patients and were more likely to report pain at more than one anatomical site. Patients were more likely to receive any treatment: surgery; injection; non opioid medication; opioid medication; physical or occupational therapy. Patients missed work more often than surgeons. Age was the only factor independently associated with patient pain. Practicing in the United States was the only factor independently associated with surgeon pain. CONCLUSIONS: Non-traumatic pains are extremely common. Surgeons have particularly effective coping strategies, allowing them to maintain their life roles with limited medical care when in pain. Increasing the appeal and availability of methods for optimising coping strategies might help to narrow the gap between surgeon and patient health. PMID- 27864587 TI - Evaluation of the genetic basis of primary hypoadrenocorticism in Standard Poodles using SNP array genotyping and whole-genome sequencing. AB - Primary hypoadrenocorticism, also known as Addison's disease, is an autoimmune disorder leading to the destruction of the adrenal cortex and subsequent loss of glucocorticoid and mineralocorticoid hormones. The disease is prevalent in Standard Poodles and is believed to be highly heritable in the breed. Using genotypes derived from the Illumina Canine HD SNP array, we performed a genome wide association study of 133 carefully phenotyped Standard Poodles (61 affected, 72 unaffected) and found no markers significantly associated with the disease. We also sequenced the entire genomes of 20 Standard Poodles (13 affected, 7 unaffected) and analyzed the data to identify common variants (including SNPs, indels, structural variants, and copy number variants) across affected dogs and variants segregating within a single pedigree of highly affected dogs. We identified several candidate genes that may be fixed in both Standard Poodles and a small population of dogs of related breeds. Further studies are required to confirm these findings more broadly, as well as additional gene-mapping efforts aimed at fully understanding the genetic basis of what is likely a complex inherited disorder. PMID- 27864588 TI - Impact of perioperative hypoglycaemia in subjects with diabetes undergoing colorectal surgery. AB - INTRODUCTION: This study explores the association between perioperative hypoglycaemia and surgical outcomes in subjects with diabetes, undergoing colorectal surgery. METHODS: A retrospective review of 149 subjects with Type 2 Diabetes Mellitus (DM) who underwent colorectal surgery between 2010 and 2015 was performed. Perioperative glucose levels, glycated haemoglobin (HbA1c) measurements within 3 months of surgery and surgical complications based on Clavien-Dindo classification were analysed. RESULTS: The mean age was 67 years (67 +/- 11.2). Perioperative hypoglycaemia was found in 7.4% of subjects. The mean HbA1c of subjects with Clavien 2 and above surgical complications were higher than patients with Clavien 1 or no complications, Hba1c 7.6% (7.6 +/- 2.5%) and 7.0% (7.0 +/- 1.1%, p = 0.008), respectively. Similar findings in subjects with Clavien 3 and above complications, HbA1c of 8.2% (8.2 +/- 3.9%) as compared to those with Clavien 2 and below complications, 7.2% (7.2 +/- 1.5%, p = 0.001). Adjusted multivariate analysis showed that hypoglycaemia was significantly associated with Clavien 2 and above surgical complications, OR of 19.0 (CI 2.23-162, p = 0.007). Preoperative hypoglycaemia was associated with Clavien 2 and above surgical complications, OR 10.7 (CI 1.22-94.1, p = 0.032). Suboptimal glycaemic control (Hba1c >8.0%) was significantly associated with Clavien 2 and above complications, OR 2.48 (CI 1.04-5.91, p = 0.04), but not with Clavien 3 and above complications, OR 1.50 (CI 0.450-4.98, p = 0.511). CONCLUSION: Perioperative hypoglycaemia is associated with adverse surgical outcomes in diabetic patients undergoing colorectal surgery. Prevention of hypoglycaemia may improve surgical outcomes. HbA1c is an independent predictor for adverse surgical outcomes. PMID- 27864589 TI - Functionality of Tn916 in Paenibacillus larvae. AB - The conjugative transposon Tn916 was determined to be functional in Paenibacillus larvae in regard to expression of tetracycline resistance and conjugative transfer. Expression of erythromycin resistance, using Tn916DeltaE, was also observed. Conjugative transfer experiments employing Paenibacillus popilliae strains Tc1001 and Em1001 as transposon donors and experiments using different P. larvae subspecies or different transposon-containing strains demonstrated interspecies and intraspecies transfer occurred for Tn916 and Tn916DeltaE. Southern hybridization analysis of several Tn916-containing P. larvae isolates showed that the transposon randomly inserted into the bacterial chromosome with an indication that hot spot insertion had occurred. Hybridization analysis indicated single-copy insertion of Tn916 into the genome predominated. However, selection of multiple-resistant isolates (i.e., isolates containing Tn916 and Tn916DeltaE) demonstrated that multiple copies of the transposon could coexist in the bacterial genome. Growth of transposon-containing isolates in broth medium in the absence of selective antibiotic pressure showed that Tn916 and Tn916DeltaE were stably maintained in the bacterium. PMID- 27864590 TI - Do we need FDG-PET/CT to assess atherosclerosis? PMID- 27864591 TI - Comparison of S.T.O.N.E and CROES nephrolithometry scoring systems for predicting stone-free status and complication rates after percutaneous nephrolithotomy: a single center study with 262 cases. AB - The aim of this study was to compare the accuracy of the CROES nephrolithometric nomogram and S.T.O.N.E. scoring system in predicting PCNL outcomes in terms of stone-free rate, estimated blood loss (EBL), operative time (OR), length of hospital stay (LOS), and complications. Patients who underwent PCNL for renal stones between May 2012 and January 2015 were analyzed retrospectively. The patients' demographic characteristics and operational features were recorded prospectively in all patients postoperatively. S.T.O.N.E. and CROES nephrolithometry scores' correlation with stone-free status, operation and fluoroscopy time, length of hospital stay (LOS) and blood loss (BL) was evaluated. Patients were categorized according to S.T.O.N.E. nephrolithometry and CROES nephrolithometry scores. Postoperative complications were graded according to modified Clavien classification (Dindo et al. in Ann Surg 240:205-213, 2004) and the correlation of both scoring systems with postoperative complications was also evaluated. We identified 437 patients who underwent PCNL between May 2012 and January 2015. A total of 262 patients who are available data for the CROES and S.T.O.N.E. scoring systems were included in the recent study. The mean S.T.O.N.E score was 7.65 +/- 1.56 and the mean CROES score was 191.13 +/- 64.39. The overall stone-free rate was 71.4%. Of the 262 patients, 89 experienced postoperative complications. Stone-free patients had significantly lower BMI (<0.001) and stone burden (p < 0.001). Regression analysis showed that both scoring systems were significantly associated with stone-free rates and operation time. We demonstrated that S.T.O.N.E. and CROES scoring systems were useful for predicting post-PCNL stone-free status. But both scoring systems were not useful for predicting post-PCNL complications. PMID- 27864592 TI - Evaluation of 5-fluorouracil degradation rate and Pharmacogenetic profiling to predict toxicity following adjuvant Capecitabine. AB - BACKGROUND: On account of the lack of predictive biomarkers of toxicity, we investigated whether polymorphisms of genes involved in fluoropyrimidine metabolism and 5-fluorouracil (5-FU) degradation rate were associated with outcomes of adjuvant capecitabine in patients with early stage gastrointestinal cancers. METHODS: Genotyping of DPYD GIVS14A, MTHFR C677T and A1298C SNPs were performed by pyro-sequencing technology. PCR analysis was used for genotyping TYMS-TSER. We also evaluated the 5-FU degradation rate, which determines the amount of drug consumed by PBMC in a time unit. Association of these variables with clinical outcome was evaluated using multivariate logistic regression analysis. RESULTS: One hundred forty-two patients with early stage colon (39%), rectal (28%), stomach (20%) and pancreatic (13%) cancer, treated with adjuvant capecitabine, were included in this retrospective analysis. Seventy and 20% of the patients suffered from at least one G1-4 and G3-4 adverse events, respectively. According to the 5-FU degradation rate, three and 13 patients were assigned as poor (<0.86 ng/mL/106 cells/min) and ultra-rapid (>2.1 ng/mL/106 cells/min) metabolizers, respectively. At a multivariate logistic regression analysis, an altered 5-FU degradation rate (values <0.86 or >2.10 ng/mL/106 cells/min) was associated with grade 3-4 adverse events (OR = 2.09, 95% CI: 1.14 3.82, P = 0.01). No correlation was reported between toxicity and gene polymorphisms except for hand-foot syndrome that was more frequent in the MTHFR 1298CC homozygous variant genotype (OR = 2.03, 95% CI 1.04-3.96, P = 0.03). CONCLUSIONS: 5-FU degradation rate may be regarded as possible predictive biomarker of capecitabine toxicity in early stage gastrointestinal cancer. PMID- 27864593 TI - Toxicogenomics in Environmental Science. AB - This chapter reviews the current knowledge and recent progress in the field of environmental, aquatic ecotoxicogenomics with a focus on transcriptomic methods. In ecotoxicogenomics the omics technologies are applied for the detection and assessment of adverse effects in the environment, and thus are to be distinguished from omics used in human toxicology [Snape et al., Aquat Toxicol 67:143-154, 2004]. Transcriptomic methods in ecotoxicology are applied to gain a mechanistic understanding of toxic effects on organisms or populations, and thus aim to bridge the gap between cause and effect. A worthwhile effect-based interpretation of stressor induced changes on the transcriptome is based on the principle of phenotypic-anchoring [Paules, Environ Health Perspect 111:A338-A339, 2003]. Thereby, changes on the transcriptomic level can only be identified as effects if they are clearly linked to a specific stressor-induced effect on the macroscopic level. By integrating those macroscopic and transcriptomic effects, conclusions on the effect-inducing type of the stressor can be drawn. Stressor specific effects on the transcriptomic level can be identified as stressor specific induced pathways, transcriptomic patterns, or stressors-specific genetic biomarkers. In this chapter, examples of the combined application of macroscopic and transcriptional effects for the identification of environmental stressors, such as aquatic pollutants, are given and discussed. By means of these examples, challenges on the way to a standardized application of transcriptomics in ecotoxicology are discussed. This is also done against the background of the application of transcriptomic methods in environmental regulation such as the EU regulation Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH). PMID- 27864594 TI - Morphologic classification of the right auricule on 256-slice computed tomography. AB - PURPOSE: To investigate the shape of right auricule on 256-slice computed tomography (CT). MATERIALS AND METHODS: Five hundred people (250 men, age range 16-84 years) who had cardiac multidetector CT angiography were recruited in this study. All patients had normal sinus rhythm with normal blood pressure (<140/90 mmHg for systolic/diastolic pressure). The morphology of the right auricule was studied and compared after reconstruction of the raw images. RESULTS: All patients successfully had cardiac CT angiography (100%), and the right auricule morphology was divided into five types and nine subtypes, including Type I of triangular shape (Ia and Ib), Type II of M shape (IIa and IIb), Type III of L shape (IIIa and IIIb), Type IV of reverse L shape (IVa and IVb), and Type V of balanced shape. The most common type of right auricule is Type IV (28.4%) followed by Type II (24.0%), whereas the least common is Type V (11.0%). Type Ia was present significantly (P < 0.0001) more frequently in females than in males, whereas Type IIa significantly (P = 0.042) more frequently in males than females. No other significant (P > 0.05) sex difference existed in the constitution ratio of the types. The normal angle was greater in Type Ib than in Ia. The greater the normal angle in Type I, the greater the deviation of the right auricule tip towards the left. CONCLUSION: A good understanding of the right auricule anatomical morphology can better guide atrial pacing, radiofrequency ablation and other surgical procedures while preventing possible intra-procedural complications. PMID- 27864595 TI - Accelerated solvent extraction combined with solid phase extraction for the determination of organophosphate esters from sewage sludge compost by UHPLC MS/MS. AB - Organophosphate esters (OPEs), widely used as flame retardants and plasticizers, are regarded as emerging pollutants. OPEs are prone to concentrate into residual activated sludge, which might cause secondary pollution if not suitably treated. Composting is an economical and effective approach to make sewage sludge stable and harmless. Therefore, it is essential to develop a novel method for analyzing OPEs in sewage sludge compost samples. However, in the composting process, large amounts of amendments are doped into the sludge to adjust the carbon-nitrogen ratio. Amendment has a strong capacity for adsorption and thus induces a decrease of extraction efficiency. This study developed a novel procedure for determining OPEs in compost samples. Accelerated solvent extraction (ASE) and solid phase extraction (SPE) were used for extracting and concentrating the OPEs from sewage sludge compost samples, and then analyzed by UHPLC-MS/MS. Some parameters were optimized in this study, mainly including the extraction solvent type, extraction temperature, static extraction time, extraction cycles, and flush volume. Under the optimal conditions, the proposed method showed good linearity between 0.50 and 100 MUg kg-1 with regression coefficients in the range of 0.9984-0.9998. Detection limits were in the range of 0.02-3 MUg kg-1 with standard deviations ranging from 2 to 6%. Acceptable recoveries between 56 and 119% for samples spiked at different concentration levels were achieved. In contrast, the recoveries merely ranged from 24 to 58% by using ultrasonic-assisted extraction. Graphical abstract A comparison of recoveries between ultrasonic-assisted extraction (UAS) and accelerated solvent extraction (ASE) for organophosphate esters from sewage sludge compost samples. PMID- 27864596 TI - Motor hysteresis in a sequential grasping and pointing task is absent in task critical joints. AB - In a prior study (Schutz et al. in Exp Brain Res 2016. doi: 10.1007/s00221-016 4608-6 ), we demonstrated that the cognitive cost of motor planning did not differ in a vertical pointing and grasping task. It was unclear whether the similar cost implied that both tasks required the same number of independent degrees of freedom (IDOFs) or that the number of IDOFs did not affect motor planning. To differentiate between both cases, a reanalysis of the prior data was conducted. The number of IDOFs in the pointing and grasping tasks was computed by factor analysis. In both tasks, two IDOFs were used, which was the minimum number required for position control. This indicates that hand alignment in the grasping task did not require an additional IDOF. No conclusions regarding the link between the cognitive cost of motor planning and the number of IDOFs could be drawn. A subset of task-critical joint angles was not affected by motor hysteresis. This indicates that a joint's susceptibility to motor hysteresis depends on its relevance to the task goal. In task-critical joints, planning cost minimization by motor plan reuse is suppressed in favor of the task goal. PMID- 27864597 TI - Genome-wide association mapping and agronomic impact of cowpea root architecture. AB - KEY MESSAGE: Genetic analysis of data produced by novel root phenotyping tools was used to establish relationships between cowpea root traits and performance indicators as well between root traits and Striga tolerance. Selection and breeding for better root phenotypes can improve acquisition of soil resources and hence crop production in marginal environments. We hypothesized that biologically relevant variation is measurable in cowpea root architecture. This study implemented manual phenotyping (shovelomics) and automated image phenotyping (DIRT) on a 189-entry diversity panel of cowpea to reveal biologically important variation and genome regions affecting root architecture phenes. Significant variation in root phenes was found and relatively high heritabilities were detected for root traits assessed manually (0.4 for nodulation and 0.8 for number of larger laterals) as well as repeatability traits phenotyped via DIRT (0.5 for a measure of root width and 0.3 for a measure of root tips). Genome-wide association study identified 11 significant quantitative trait loci (QTL) from manually scored root architecture traits and 21 QTL from root architecture traits phenotyped by DIRT image analysis. Subsequent comparisons of results from this root study with other field studies revealed QTL co-localizations between root traits and performance indicators including seed weight per plant, pod number, and Striga (Striga gesnerioides) tolerance. The data suggest selection for root phenotypes could be employed by breeding programs to improve production in multiple constraint environments. PMID- 27864599 TI - In Memory of Jay L. Grosfeld, M.D. PMID- 27864598 TI - Impact of fetal counseling on outcome of antenatal congenital surgical anomalies. AB - AIM: To analyze the impact of counseling on antenatal congenital surgical anomalies (ACSA). METHODS: Cases presenting with ACSA for fetal counseling and those presenting in post-natal period following diagnosis of ACSA (PACSA) for surgical opinion were analyzed for spectrum, presentation and outcome. RESULTS: 117 cases including ACSA(68);PACSA(49) were analyzed. Gestational age at diagnosis of ACSA;PACSA was 17-37;17-39 weeks (median 24;32 weeks). Diagnoses in ACSA;PACSA included urological (26;31), neurological (10;5), congenital diaphragmatic hernia (CDH)(5;1), gastrointestinal (5;5), lung and chest anomalies (5;1), intraabdominal cysts (4;1), abdominal wall defects (4;0), tumors (3;3), limb anomaly (1;1), esophageal atresia (1;1), conjoint twins (1;0), hepatomegaly (1;0), and major cardiac anomalies (2;0). Two antenatal interventions were done for ACSA; vesicoamniotic shunt and amnioinfusion for oligohydramnios. 17;24 ACSA;PACSA required early surgical intervention in post-natal period. Nine ACSA underwent medical termination of pregnancy and 4 had intrauterine demise. Nine ACSA babies died including two CDH, one gastroschisis, one duodenal atresia, one conjoint twins, one megacystitis with motility disorder and three posterior urethral valves. All PACSA babies survived. CONCLUSION: Fetal counseling for CSA portrays true outcome of ACSA with 32.3% (22/68) mortality versus 0% for PACSA due to selection bias. However, fetal counseling ensures optimal perinatal care. PMID- 27864600 TI - Comparison of true unenhanced and virtual unenhanced (VUE) attenuation values in abdominopelvic single-source rapid kilovoltage-switching spectral CT. AB - OBJECTIVE: To assess the agreement between the true non-contrast (TNC) attenuation values of intra-abdominal structures and attenuation values obtained on virtual-unenhanced (VUE) images based on rapid kVp-switching dual-energy CT. The effects of contrast phase and patient characteristics (e.g., BMI, hematocrit, hemoglobin content) on VUE values were also investigated. METHODS: Ninety four patients who underwent triphasic abdominal CT (liver mass protocol, n = 47; pancreas mass protocol, n = 47) between August 2014 and May 2015 were retrospectively reviewed. Unenhanced series was performed using conventional single-energy mode at 120 kVp. Late arterial and venous phase post-contrast series were obtained utilizing rapid kVp-switching dual-energy CT technique. VUE images were processed off of arterial (VUE-art) and venous (VUE-ven) phase series. Attenuation values of liver, pancreas, kidneys, adrenal glands, muscle, subcutaneous fat, aorta, IVC, and main portal vein were recorded on TNC and VUE sets of images. Attenuation values were compared using univariate linear regression and Student two-tailed paired t test. RESULTS: There was excellent correlation between TNC, VUE-art, and VUE-ven attenuation values across all organs (p < 0.0001). Paired Student t test, however, showed significant difference between TNC and VUE-art attenuation of kidneys, right adrenal gland, paraspinal muscle, and aorta. There was also significant difference between TNC and VUE-ven attenuation of left kidney. Percentage of cases which had >10 HU difference between VUE and TNC for an individual was calculated which ranged between 13% (right kidney) and 42% (right adrenal gland). CONCLUSION: Although the correlation between VUE and TNC attenuation values was excellent and mean difference between TNC and VUE attenuation values was negligible (ranging between -5.94 HU for paraspinal muscles to 6.2 HU in aorta), intra-patient analysis showed a considerable number of cases which had >10 HU difference between VUE and TNC. VUE-ven generally offered a better approximation of TNC values. Further optimization of post-processing algorithms might be necessary before complete replacement of TNC with VUE images. PMID- 27864602 TI - Beyond bread and beer: whole cell protein extracts from baker's yeast as a bulk source for 3D cell culture matrices. AB - Here, we present a novel approach to form hydrogels from yeast whole cell protein. Countless hydrogels are available for sophisticated research, but their fabrication is often difficult to reproduce, with the gels being complicated to handle or simply too expensive. The yeast hydrogels presented here are polymerized using a four-armed, amine reactive crosslinker and show a high chemical and thermal resistance. The free water content was determined by measuring swelling ratios for different protein concentrations, and in a freeze drying approach, pore sizes of up to 100 MUm in the gel could be created without destabilizing the 3D network. Elasticity was proofed to be adjustable with the help of atomic force microscopy by merely changing the amount of used protein. Furthermore, the material was tested for possible cell culture applications; diffusion rates in the network are high enough for sufficient supply of human breast cancer cells and adenocarcinomic human alveolar basal epithelial cells with nutrition, and cells showed high viabilities when tested for compatibility with the material. Furthermore, hydrogels could be functionalized with RGD peptide and the optimal concentration for sufficient cell adhesion was determined to be 150 MUM. Given that yeast protein is one of the cheapest and easiest available protein sources and that hydrogels are extremely easy to handle, the developed material has highly promising potential for both sophisticated cell culture techniques as well as for larger scale industrial applications. PMID- 27864601 TI - Predictors of primary care provider adoption of CT colonography for colorectal cancer screening. AB - PURPOSE: To examine factors influencing primary care provider (PCP) adoption of CT colonography (CTC) for colorectal cancer (CRC) screening. MATERIALS AND METHODS: We performed a retrospective cohort study linking electronic health record (EHR) data with PCP survey data. Patients were eligible for inclusion if they were not up-to-date with CRC screening and if they had CTC insurance coverage in the year prior to survey administration. PCPs were included if they had at least one eligible patient in their panel and completed the survey (final sample N = 95 PCPs; N = 6245 patients). Survey data included perceptions of CRC screening by any method, as well as CTC specifically. Multivariate logistic regression estimated odds ratios and 95% confidence intervals for PCP and clinic predictors of CRC screening by any method and screening with CTC. RESULTS: Substantial variation in CTC use was seen among PCPs and clinics (range 0-16% of CRC screening). Predictors of higher CTC use were PCP perceptions that CTC is effective in reducing CRC mortality, higher number of perceived advantages to screening with CTC, and Internal Medicine specialty. Factors not associated with CTC use were PCP perceptions of less organizational capacity to meet demand for colonoscopy, number of perceived disadvantages to screening with CTC, PCP age and gender, and clinic factors. CONCLUSION: Significant variation in PCP adoption of CTC exists. PCP perceptions of CTC and specialty practice were related to CTC adoption. Strategies to increase PCP adoption of CTC for CRC screening should include emphasis on the effectiveness and advantages of CTC. PMID- 27864603 TI - Presence of risk factors does not affect outcome in early stage pediatric Hodgkin lymphoma treated with ABVD. PMID- 27864604 TI - The long-term outcome of reduced-intensity allogeneic stem cell transplantation from a matched related or unrelated donor, or haploidentical family donor in patients with leukemia: a retrospective analysis of data from the China RIC Cooperative Group. AB - This study compared 6-year follow-up data from patients undergoing reduced intensity conditioning (RIC) transplantation with an HLA-matched related donor (MRD), an HLA-matched unrelated donor (MUD), or an HLA-haploidentical donor (HID) for leukemia. Four hundred and twenty-seven patients from the China RIC Cooperative Group were enrolled, including 301 in the MRD, 79 in the HID, and 47 in the MUD groups. The conditioning regimen involved fludarabine combined with anti-lymphocyte globulin and cyclophosphamide. Graft-versus-host disease (GVHD) prophylaxis was administered using cyclosporin A (CsA) and mycophenolate mofetil (MMF). Four hundred and nineteen patients achieved stable donor chimerism. The incidence of stage II-IV acute GVHD in the HID group was 44.3 %, significantly higher than that in the MRD (23.6 %) and MUD (19.1 %) groups. The 1-year transplantation-related mortality (TRM) rates were 44.3, 17.6, and 21.3, respectively. Event-free survival (EFS) at 6 years in the HID group was 36.7 %, significantly lower than that of the MRD and MUD groups (59.1 and 66.0 %, P < 0.001 and P = 0.001, respectively). For advanced leukemia, the relapse rate of the HID group was 18.5 %, lower than that of the MRD group (37.5 %, P = 0.05), but the EFS at 6 years was 31.7 and 30.4 % (P > 0.05), respectively. RIC transplantation with MRD and MUD had similar outcome in leukemia which is better than that with HID. RIC transplantation with HID had lower relapsed with higher TRM and GVHD rate, particularly in advanced leukemias. RIC transplantation with MRD and MUD had similar outcomes in leukemia and they were better than those with HID. RIC transplantation with HID had a lower relapse rate but higher TRM and GVHD rates, particularly in cases of advanced leukemia. PMID- 27864605 TI - Erratum to: BCR-ABL-positive acute myeloid leukemia: About one case treated with ponatinib. PMID- 27864606 TI - Growth increase of Arabidopsis by forced expression of rice 45S rRNA gene. AB - KEY MESSAGE: Forced expression of rice 45S rRNA gene conferred ca. 2-fold increase of above-ground growth in transgenic Arabidopsis . This growth increase was probably brought by cell proliferation, not by cell enlargement. Recent increase in carbon dioxide emissions is causing global climate change. The use of plant biomass as alternative energy source is one way to reduce these emissions. Therefore, reinforcement of plant biomass production is an urgent key issue to overcome both depletion of fossil energies and emission of carbon dioxide. Here, we created transgenic Arabidopsis with a 2-fold increase in above-ground growth by forced expression of the rice 45S rRNA gene using the maize ubiquitin promoter. Although the size of guard cells and ploidy of leaf-cells were similar between transgenic and control plants, numbers of stomata and pavement cells were much increased in the transgenic leaf. This data suggested that cell number, not cell expansion, was responsible for the growth increase, which might be brought by the forced expression of exogenous and full-length 45S rRNA gene. The expression level of rice 45S rRNA transcripts was very low, possibly triggering unknown machinery to enhance cell proliferation. Although microarray analysis showed enhanced expression of ethylene-responsive transcription factors, these factors might respond to ethylene induced by abiotic/biotic stresses or genomic incompatibility, which might be involved in the expression of species-specific internal transcribed spacer (ITS) sequences within rice 45S rRNA transcripts. Further analysis of the mechanism underlying the growth increase will contribute to understanding the regulation of the cell proliferation and the mechanism of hybrid vigor. PMID- 27864608 TI - Viper Venom Botox: The Molecular Origin and Evolution of the Waglerin Peptides Used in Anti-Wrinkle Skin Cream. AB - The molecular origin of waglerin peptides has remained enigmatic despite their industrial application in skin cream products to paralyse facial muscles and thus reduce the incidence of wrinkles. Here we show that these neurotoxic peptides are the result of de novo evolution within the prepro region of the C-type natriuretic peptide gene in Tropidolaemus venoms, at a site distinct from the domain encoding for the natriuretic peptide. It is the same region that yielded the azemiopsin peptides from Azemiops feae, indicative of a close relationship of this toxin gene between these two genera. The precursor region for the molecular evolution is a biodiversity hotspot that has yielded other novel bioactive peptides with novel activities. We detail the diversity of components in this and other species in order to explore what characteristics enable it to be such a biodiscovery treasure trove. The unusual function of Tropidolaemus venoms may have been selected for due to evolutionary pressures brought about by a high likelihood of prey escape. PMID- 27864609 TI - Myocardial Infarction as a Complication of Bronchial Artery Embolization. AB - Bronchial artery embolization is now a common treatment for massive pulmonary hemoptysis if flexible bronchoscopy at the bedside failed to control the bleeding. Complications of this technique range from benign chest pain to devastating neurological impairments. We report the case of a 41-year-old man who developed an ST elevation myocardial infarction during bronchial artery embolization, presumably because of coronary embolism by injected particles. In this patient who had no previously known coronary artery disease, we retrospectively found a communication between the left bronchial artery and the circumflex coronary artery. This fistula was not visible on the initial angiographic view and likely opened because of the hemodynamic changes resulting from the embolization. This case advocates for careful search for bronchial-to coronary arterial fistulas and the need for repeated angiographic views during embolization procedures. PMID- 27864610 TI - The Monorail Technique to Overcome Difficult Anatomical Course During Implantation of Central Venous Port via the Left Internal Jugular Vein. AB - PURPOSE: The study aimed to introduce a monorail technique to overcome difficult anatomical course via left internal jugular vein in implantable port insertion. METHODS: From 2007 to 2016, a total of 9346 patients were referred for implantable port insertion in our interventional unit, among which 79 cases were requested to insert on the left side. Our monorail technique was applied only when the technical challenge of the catheter tip entering the azygos vein instead of the superior vena cava occurred (n = 7). The technique consists of puncturing at the distal tip of the port catheter with a 21-gauge micropuncture needle and advancing a 0.018-in. hair-wire to guide and provide support for pre-assembled port. RESULTS: The monorail technique was performed in seven patients and all but one case were technically successful, showing a technical success rate of 85.7%. There were no immediate or delayed complications. CONCLUSIONS: The monorail technique is helpful to overcome the difficult anatomical course via left internal jugular vein in implantable port insertion. PMID- 27864607 TI - Computed tomography versus invasive coronary angiography: design and methods of the pragmatic randomised multicentre DISCHARGE trial. AB - OBJECTIVES: More than 3.5 million invasive coronary angiographies (ICA) are performed in Europe annually. Approximately 2 million of these invasive procedures might be reduced by noninvasive tests because no coronary intervention is performed. Computed tomography (CT) is the most accurate noninvasive test for detection and exclusion of coronary artery disease (CAD). To investigate the comparative effectiveness of CT and ICA, we designed the European pragmatic multicentre DISCHARGE trial funded by the 7th Framework Programme of the European Union (EC-GA 603266). METHODS: In this trial, patients with a low-to-intermediate pretest probability (10-60 %) of suspected CAD and a clinical indication for ICA because of stable chest pain will be randomised in a 1-to-1 ratio to CT or ICA. CT and ICA findings guide subsequent management decisions by the local heart teams according to current evidence and European guidelines. RESULTS: Major adverse cardiovascular events (MACE) defined as cardiovascular death, myocardial infarction and stroke as a composite endpoint will be the primary outcome measure. Secondary and other outcomes include cost-effectiveness, radiation exposure, health-related quality of life (HRQoL), socioeconomic status, lifestyle, adverse events related to CT/ICA, and gender differences. CONCLUSIONS: The DISCHARGE trial will assess the comparative effectiveness of CT and ICA. KEY POINTS: * Coronary artery disease (CAD) is a major cause of morbidity and mortality. * Invasive coronary angiography (ICA) is the reference standard for detection of CAD. * Noninvasive computed tomography angiography excludes CAD with high sensitivity. * CT may effectively reduce the approximately 2 million negative ICAs in Europe. * DISCHARGE addresses this hypothesis in patients with low-to-intermediate pretest probability for CAD. PMID- 27864611 TI - Perioperative Hemodynamic Monitoring of Common Hepatic Artery for Endovascular Embolization of a Pancreaticoduodenal Arcade Aneurysm with Celiac Stenosis. AB - This report describes perioperative hemodynamic monitoring of the common hepatic artery (CHA) during endovascular treatment of a pancreaticoduodenal arcade aneurysm, in a patient with celiac artery stenosis caused by the median arcuate ligament. Pressure monitoring was performed as a safety measure against critical complications such as liver ischemia. As the aneurysm was located in the anterior pancreaticoduodenal artery (APDA) and the posterior pancreaticoduodenal artery (PPDA) was small in caliber, the patient was considered to be at a high risk of liver ischemia. No significant change in pressure was observed in the CHA on balloon occlusion test in the APDA. Immediately after embolization, the PPDA enlarged and the pressure in the CHA was well maintained. Pressure monitoring appears to improve patient safety during endovascular treatment of visceral aneurysms. PMID- 27864612 TI - Secretory products from epicardial adipose tissue from patients with type 2 diabetes impair mitochondrial beta-oxidation in cardiomyocytes via activation of the cardiac renin-angiotensin system and induction of miR-208a. AB - Secretory products from epicardial adipose tissue (EAT) from patients with type 2 diabetes (T2D) impair cardiomyocyte function. These changes associate with alterations in miRNA expression, including the induction of miR-208a. Recent studies suggest that activation of the cardiac-specific renin-angiotensin system (RAS) may affect cardiac energy metabolism via induction of miR-208a. This study investigated whether cardiomyocyte dysfunction induced by conditioned media (CM) from EAT-T2D involves activation of the RAS/miR-208a pathway. Therefore, primary adult rat cardiomyocytes were incubated with CM generated from EAT biopsies from patients with T2D and without T2D (ND). Exposing cardiomyocytes to CM-EAT-T2D reduced sarcomere shortening and increased miR-208a expression versus cells exposed to CM-EAT-ND or control medium. The angiotensin II receptor type 1 (AGTR1) antagonist losartan reversed these effects. Accordingly, incubation with angiotensin II (Ang II) reduced sarcomere shortening, and lowered palmitate induced mitochondrial respiration and carnitine palmitoyltransferase 1c (CPT1c) expression in cardiomyocytes. Locked-nucleic-acid-mediated inhibition of miR-208a function reversed the detrimental effects induced by Ang II. Interestingly, Ang II levels in CM-EAT-T2D were increased by 2.6-fold after culture with cardiomyocytes. The paracrine activation of the cardiac-specific RAS by CM-EAT T2D was corroborated by increases in the expression of AGTR1 and renin, as well as a reduction in angiotensin-converting enzyme 2 levels. Collectively, these data show that secretory products from EAT-T2D impair cardiomyocyte contractile function and mitochondrial beta-oxidation via activation of the cardiac-specific RAS system and induction of miR-208a, and suggest that alterations in the secretory profile of EAT may contribute to the development of diabetes-related heart disease. PMID- 27864614 TI - Paediatric cardiopulmonary bypass surgery: the challenges of heterogeneity and identifying a meaningful endpoint for clinical trials. PMID- 27864613 TI - Oncolysate-loaded Escherichia coli bacterial ghosts enhance the stimulatory capacity of human dendritic cells. AB - The natural adjuvant properties of bacterial ghosts (BGs) lie within the presence of intact pathogen-associated molecular patterns on their surface. BGs can improve the direct delivery, natural processing and presentation of target antigens within dendritic cells (DCs). Moreover, sensitization of human DCs by cancer cell lysate (oncolysate)-loaded BGs in the presence of IFN-alpha and GM CSF enhanced DC maturation as indicated by an increased expression of maturation markers and co-stimulatory molecules, higher production of IL-12p70 and stimulation of significantly increased proliferation of both autologous CD4+ and CD8+ T cells compared to DCs matured in the presence of purified lipopolysaccharide. The induced T cells efficiently recognized oncolysate-derived tumor-associated antigens expressed by cancer cells used for the production of oncolysate. Our optimized one-step simultaneous antigen delivery and DC maturation-inducing method emerges as a promising tool for the development and implementation of next-generation cellular cancer immunotherapies. PMID- 27864615 TI - The effects of active mobilisation and rehabilitation in ICU on mortality and function: a systematic review. AB - PURPOSE: Early active mobilisation and rehabilitation in the intensive care unit (ICU) is being used to prevent the long-term functional consequences of critical illness. This review aimed to determine the effect of active mobilisation and rehabilitation in the ICU on mortality, function, mobility, muscle strength, quality of life, days alive and out of hospital to 180 days, ICU and hospital lengths of stay, duration of mechanical ventilation and discharge destination, linking outcomes with the World Health Organization International Classification of Function Framework. METHODS: A PRISMA checklist-guided systematic review and meta-analysis of randomised and controlled clinical trials. RESULTS: Fourteen studies of varying quality including a total of 1753 patients were reviewed. Active mobilisation and rehabilitation had no impact on short- or long-term mortality (p > 0.05). Meta-analysis showed that active mobilisation and rehabilitation led to greater muscle strength (body function) at ICU discharge as measured using the Medical Research Council Sum Score (mean difference 8.62 points, 95% confidence interval (CI) 1.39-15.86), greater probability of walking without assistance (activity limitation) at hospital discharge (odds ratio 2.13, 95% CI 1.19-3.83), and more days alive and out of hospital to day 180 (participation restriction) (mean difference 9.69, 95% CI 1.7-17.66). There were no consistent effects on function, quality of life, ICU or hospital length of stay, duration of mechanical ventilation or discharge destination. CONCLUSION: Active mobilisation and rehabilitation in the ICU has no impact on short- and long-term mortality, but may improve mobility status, muscle strength and days alive and out of hospital to 180 days. REGISTRATION OF PROTOCOL NUMBER: CRD42015029836. PMID- 27864616 TI - Randomized Clinical Trial Comparing Cyanoacrylate Glue Versus Suture Fixation in Lichtenstein Hernia Repair: 7-Year Outcome Analysis. AB - BACKGROUND: Lichtenstein hernioplasty has relatively low recurrence rate, but chronic inguinal pain may cause harm to the patient. The aim of our study was to compare long-term results of cyanoacrylate glue versus absorbable sutures for mesh fixation in Lichtenstein hernioplasty. METHODS: Lichtenstein hernioplasty (n = 302) was performed under local anesthesia in three hospitals. The patients were randomized to receive either 1 ml of butyl-2-cyanoacrylate tissue glue (Glubran(r); 151 hernias) or absorbable polyglycolic acid sutures (Dexon(r); 151 hernias) for mesh fixation (Optilene(r) mesh). Short-term results were published previously. Chronic groin pain, foreign body sensation, use of analgesics, recurrence and re-operations were analyzed 7 years after surgery. RESULTS: We reached 236 patients (78%) to present study. In the glue group (n = 115), there were five (4.3%) and in the suture group (n = 121) three (2.5%) recurrent hernias (p = 0.491). The prevalence of chronic pain (NRS >= 3) in the patients without re operations was similar in two groups: 15/118 (13%) and 13/111 (12%), respectively (p = 0.843). There were no significant differences in the foreign body sensation (8/14, p = 0.267) or in the need of analgesics (2/2, p = 1.00) between the two study groups. CONCLUSION: Both cyanoacrylate glue and mesh fixation with absorbable sutures were equal in terms of chronic pain and rate of recurrences in Lichtenstein hernioplasty after 7-year follow-up. TRIAL REGISTRATION NUMBER: NCT00659542. PMID- 27864618 TI - Hypertension is the primary component of metabolic syndrome associated with pathologic features of kidney cancer: methodological issues. PMID- 27864617 TI - Diagnostic Accuracy of Abdominal Ultrasound for Diagnosis of Acute Appendicitis: Systematic Review and Meta-analysis. AB - BACKGROUND: To determine the diagnostic accuracy of abdominal ultrasound (US) for the diagnosis of acute appendicitis (AA), in terms of sensitivity, specificity and post-test probabilities for positive and negative result. METHODS: A systematic search of MEDLINE, Embase, The Cochrane library and Science Citation Index Expanded from January 1994 to October 2014 was performed. Two authors independently evaluated studies for inclusion, extracted data and performed analyses. The reference standard for evaluation of final diagnosis was pathohistological report on tissue obtained at appendectomy. Summary sensitivity, specificity and post-test probability of AA after positive and negative result of US with corresponding 95% confidence intervals (CI) were calculated. RESULTS: Out of 3306 references identified through electronic searches, 17 reports met the inclusion criteria, with 2841 included participants. The summary sensitivity and specificity of US for diagnosis of AA were 69% (95% CI 59-78%) and 81% (95% CI 73 88%), respectively. At the median pretest probability of AA of 76.4%, the post test probability for a positive and negative result of US was 92% (95% CI 88-95%) and 55% (95% CI 46-63%), respectively. CONCLUSIONS: Abdominal ultrasound does not seem to have a role in the diagnostic pathway for diagnosis of AA in suspected patients. The summary sensitivity and specificity of US do not exceed that of physical examination. Patients that require additional diagnostic workup should be referred to more sensitive and specific diagnostic procedures, such as computed tomography. PMID- 27864619 TI - Bicentric prospective evaluation of corporoplasty with porcine small intestinal submucosa (SIS) in patients with severe Peyronie's disease. AB - INTRODUCTION: Advanced Peyronie's disease (PD) with severe penile deviation demands grafting procedures following plaque incision or partial plaque excision in order to avoid penile shortening and to improve quality of life of affected patients. Small intestinal submucosa (SIS) is an established xenograft. The objective of the present study was to validate external results in a bicentric prospective manner. METHODS: Patient selection criteria, surgical technique and standards for pre- and postoperative care were defined. Consecutively, patients with severe penile deviation in stable disease and sufficient erectile function were included between 2007 and 2015. After plaque incision, grafting was performed using SIS in a standardized manner. The postoperative evaluation using a non-validated questionnaire included complications, correction of curvature, pre- and postoperative erectile function, change in penile length and general satisfaction with the procedure. RESULTS: Forty-three patients underwent surgery between 2007 and 2015. The mean degree of preoperative curvature was 73.8 degrees (range 60-90 degrees ). No intraoperative or major postoperative complications were reported. After a mean follow-up of 33.0 months (range 10-59), complete straightening of the penis was achieved in 74.4%. 88.4% of all patients were able to achieve satisfying sexual intercourse (67.4% unaided, 21.0% with assistance). The IIEF-5 score was improved in 69.8% (mean improvement 4.0 points). Overall 86.0% were satisfied with the surgical treatment. CONCLUSION: Corporoplasty with SIS in patients with PD and severe penile curvature is a safe approach and shows good long-term results. A thorough patient selection and a standardized pre-, intra- and postoperative procedure are decisive for a satisfying outcome. PMID- 27864620 TI - Long-term outcomes of transobturator tension-free vaginal tapes as secondary continence procedures. AB - PURPOSE: To assess the long-term patient-reported outcomes following TO-TVT as a secondary continence procedure in women with recurrent stress urinary incontinence (R-SUI). METHODS: A secondary analysis of the 9-year follow-up of the E-TOT study was performed: 341 women with predominant SUI symptoms were randomised to undergo either Inside-out or Outside-in TO-TVT between April 2005 and April 2007. Forty-six women had R-SUI following previously failed continence surgery at time of randomisation and are the basis of this analysis as a one single cohort. Primary outcome was the patient-reported success rate defined as very/much improved on Patient's Global Impression of Improvement (PGI-I). Secondary outcomes included late adverse events and impact on women's quality of life and sexual function. Statistical analysis was performed using SPSS version 23. RESULTS: Sixty-three per cent completed the 9-year follow-up. The success based on the PGI-I was 62.1% with no significant difference between groups (OR 5.33; 95% CI 1.03, 27.76; p = 0.094). Clinically significant improvement in QoL was found in 84.2%. Adverse events included vaginal erosions (n = 3) and groin pain (n = 2). The small sample size is a limitation in this study; nevertheless, this is one of the largest cohorts reported for women with R-SUI and the first to report the long-term outcomes of TO-TVT as a secondary continence procedure. CONCLUSIONS: TO-TVT operations are associated with good patient-reported success rates (62%) in women with previous failed continence surgery with up to 9-years follow-up. There is a non-significant trend towards better outcomes with the inside-out TO-TVT. PMID- 27864621 TI - Factors associated with the presence of postoperative headache in elective surgery patients: a prospective single center cohort study. AB - PURPOSE: Headache is an important cause of minor postoperative morbidity. In this study we evaluated the association of anesthesia and surgery with the occurrence of postoperative headache in elective surgery patients. METHODS: After obtaining ethical approval, 446 patients were enrolled in this prospective, single-centre cohort study. Participants were interviewed preoperatively, and for five days postoperatively, regarding the appearance of headache, while demographics, lifestyle, type of anesthesia and surgery, the anesthetic drugs administered and intraoperative adverse effects were recorded. Multiple logistic regression analysis was conducted in order to identify independent factors associated with postoperative headache, both in the total sample and in patients without previous history of headache. RESULTS: The observed overall frequency of postoperative headache was 28.3% (N = 126) in the total sample. In patients with previous history of headache, the frequency of postoperative headache was 41% (N = 89), while in those with no history the frequency of postoperative headache was 16.2% (N = 37). Female gender [p = 0.024; odds ratio (OR) = 2.1], sevoflurane administration (p < 0.001; OR = 3.66), intraoperative hypotension (p = 0.008; OR = 2.12) and smoking (p = 0.006; OR = 1.74) were independently associated with postoperative headache. In patients without previous history, female gender (p = 0.005; OR = 4.77), sevoflurane administration (p = 0.001; OR = 6.9), intraoperative hypotension (p = 0.006; OR = 6.7) and caffeine consumption (p = 0.041; OR = 5.28) presented greater likelihood for postoperative headache, while smoking revealed no association. CONCLUSION: Female gender, sevoflurane, smoking and intraoperative hypotension were documented as independent risk factors for postoperative headache. In patients with no previous history of headache, caffeine consumption was an additional independent factor for postoperative headache, while smoking revealed no association. PMID- 27864622 TI - How obesity impacts outcomes of infectious diseases. AB - Obesity is associated with co-morbidities and increased risk of acquiring infections with worse outcomes. Paradoxically, a few studies indicate that obesity may have a decreased mortality in hospitalized patients with pneumonia. The objective of this study was to determine the impact of body mass index (BMI) on short-term all-cause mortality and clinical outcomes among hospitalized adults with pneumonia, urinary tract infections, skin and soft tissue infections, and bacteremia. The study cohort included 1437 consecutive patients who were admitted with infectious disease including pneumonia (717), urinary tract infection (506), bacteremia (69), and skin and soft tissue infections (145), and hospitalized in internal medical departments, during 2013-2015. BMI was categorized as underweight (<=20 kg/m2), normal (20-25 kg/m2), overweight (25.1-29.9 kg/m2), and obese (>=30 kg/m2). Clinical outcomes of 30- and 90-day all-cause mortality rates, length of hospital stay, and transfer to the intensive care unit (ICU) were compared among groups, sorted according to BMI and different infectious diseases. Obesity was associated with decreased 30-day mortality in patients with pneumonia [odds ratio (OR) = 0.26, 95 % confidence interval (CI) 0.06-1.01; p = 0.052]. On the contrary, increased 30-day mortality was observed in the underweight patients (OR = 2.89, 95 % CI 1.1-7.6; p = 0.03). Similar impacts were not found for urinary tract infections, skin and soft tissue infections, or bloodstream infections. Furthermore, obesity had no effect on 90-day mortality, length of hospital stay, or transfer to the ICU in all kinds of infectious diseases. Obesity is associated with reduced short-term mortality among hospitalized patients with pneumonia. Whether gut microbiota in obese individuals plays a role in this protective effect remains to be investigated by further studies. PMID- 27864623 TI - Simplified HCC-ART score for highly sensitive detection of small-sized and early stage hepatocellular carcinoma in the widely used Okuda, CLIP, and BCLC staging systems. AB - BACKGROUND: Small-sized HCC can be effectively cured by surgery with good clinical outcomes. A highly sensitive HCC alpha-fetoprotein routine test (HCC ART) for HCC diagnosis as well as a simplied form of the HCC-ART were reported in the British Journal of Cancer. Here, we verified and studied the applicability of the HCC-ART to the detection of early-stage HCC. METHODS: 341 cirrhotic patients and 318 HCC patients were included in this study. For each, the HCC-ART score was calculated, and then the sensitivity, specificity, and results of an ROC curve analysis were compared between the HCC-ART and AFP when these biomarkers were used to detect small-sized HCC. RESULTS: Different HCC-ART cutoffs were set for the detection of different tumor sizes. The HCC-ART (AUC = 0.871, 70% sensitivity, 97% specificity) and the simplified HCC-ART (AUC = 0.934, 82% sensitivity, 100% specificity) were found to have high predictive power when attempting to separate cirrhotic patients from those with small-sized HCC. The simplified HCC-ART score was superior to AFP for determining stages according to the early Okuda (0.950 AUC, 84% sensitivity, 99% specificity), CLIP (0.945 AUC, 84% sensitivity, 99% specificity), and BCLC (1.000 AUC, 100% sensitivity, 99% specificity) staging systems. The simplified HCC-ART score was more strongly correlated than AFP and other staging systems with HCC tumor size (P < 0.0001; r = 0.8). CONCLUSION: The HCC-ART is superior to AFP for diagnosing early-stage HCC. Due to its advantages of minimal variability and a wide continuous scale for assessing HCC severity, the simplified HCC-ART has the potential to be more widely used than the original HCC-ART. PMID- 27864624 TI - Sentinel lymph node biopsy using indocyanine green fluorescence in early-stage breast cancer: a meta-analysis. AB - Sentinel lymph node (SLN) biopsy using indocyanine green (ICG) fluorescence is safe and has a high detection rate for SLNs. However, the results of this novel technique are heterogeneous. The objective of this meta-analysis was to evaluate the diagnostic performance of the ICG fluorescence method compared with the standard radioisotope (RI) method. All eligible studies were identified from 2005 through 2015. A proportion meta-analysis was performed using a fixed effects and/or random effects model based on the study heterogeneity. A total of 12 studies met the inclusion criteria and included 1736 women. There was no significant difference between ICG fluorescence and RI for SLN detection using either the fixed effects model [odds ratio (OR) 1.29, 95% confidence interval (CI) 0.87-1.90] or the random effects model (OR 1.32, 95% CI 0.54-3.18). There were seven studies reporting the detection rate for tumor-positive SLN. The ICG fluorescence method was significantly better than the RI method in the fixed effects model (OR 1.87, 95% CI 1.00-3.49) for staging axilla. However, there was no difference in the random effects model (OR 1.90, 95% CI 0.74-4.86). There was study outcome heterogeneity for the detection of SLN but not for tumor-positive SLN. There was no publication bias observed in the studies included. The ICG fluorescence method has valid diagnostic performance for SLN detection and shows a trend toward better axilla staging compared with the RI method. ICG fluorescence is a useful alternative to RI for SLN biopsy. PMID- 27864625 TI - The Impact of Comorbidities, Depression, and Substance Use Problems on Quality of Life Among Older Adults Living With HIV. AB - Older adults living with HIV (OALWH) comprise a growing population with a range of complex and interconnecting medical and psychosocial needs. Based on the biopsychosocial model with its emphasis on a holistic approach to various aspects of people's lives, the current study explored associations between physical health, psychological health, substance use, and overall quality of life. Drawing on data from 114 substance-using OALWH (aged 50 or older), we employed linear regression to show associations between the number of current comorbid health conditions on quality of life, over and above depression, substance use problems, and demographic characteristics (age, race/ethnicity, gender, sexual orientation, education, and relationship status). In both bivariate and multivariable contexts, the number of comorbid conditions was associated with reduced quality of life. Depression and substance use were also negatively associated with quality of life. These findings indicate that clinical and supportive care for OALWH, particularly when related to mental health and substance use, should also include an integrated focus on the comparatively high number of current comorbid conditions that often accompany, and potentially complicate, HIV treatment and quality of life. PMID- 27864626 TI - Can Policy Interventions Affect HIV-Related Behaviors? A Systematic Review of the Evidence from Low- and Middle-Income Countries. AB - In their response to HIV, many countries have adopted and enacted policies to reduce transmission and increase HIV-related service use. Theoretically, policy level interventions for HIV prevention have the potential to improve health behavior outcomes. These policy interventions vary in their scale, from relatively minor changes in clinical policy to major national legal initiatives. Assessing the effectiveness of HIV policy interventions is a challenging undertaking. While many policies exist and guide HIV programmes, relatively few have specifically been evaluated for their effects on reducing HIV risk taking or increasing HIV health-seeking behaviors. Thus, questions on the effectiveness of policy interventions to prevent HIV and change HIV-related risk behaviors remain largely unanswered. To address this current gap in the literature, we systematically reviewed the existing evidence on the effect of HIV policy interventions on changing HIV-related behaviors in low-and middle-income countries. PMID- 27864627 TI - Participation in treatment decision-making among Chinese-Australian women with breast cancer. AB - PURPOSE: Using Confucian philosophy as a conceptual framework, this article examines the extent to which cultural values and language affect the participation preferences and experiences of the breast cancer treatment decision making (TDM) process among Chinese women with breast cancer in Australia. METHODS: Three focus groups were conducted with 23 Chinese-Australian women diagnosed with breast cancer in their native language (Mandarin and Cantonese). Each interview was translated and transcribed. Content analysis was used to uncover the major themes. FINDINGS: Four typologies emerged: the patient as an active decision maker, the patient as a passive decision maker, the patient as a reluctant decision maker and the patient as a reluctant passive decision maker. Language barriers, cultural expectation of doctor's role and family role in Chinese culture appear as influential factors in TDM process among this group of women. CONCLUSIONS: Intervention to improve doctors' cultural sensitivities in order to help them assess women's role preferences in TDM and the ability of doctors to communicate in a culturally appropriate manner, may improve the process of breast cancer TDM among women from Chinese background. PMID- 27864629 TI - Cytokeratin AE1/AE3 immunostaining and 3D-histology: improvement of diagnosis in desmoplastic squamous cell carcinoma of the skin. AB - Desmoplastic squamous cell carcinoma (DSCC) as a rare subtype of cutaneous SCC has specific histological features, characterized by columns, bands, and strands of squamoid cells infiltrating a dense collagenous stroma. To decrease the high rates of local recurrence in DSSC, improvement of diagnostic methods is highly demanded. Objective was to evaluate whether immunohistochemistry (IHC) is suited to increase diagnostic accuracy. A total number of 18 patients were included in this study. After recutting of the original paraffin blocks, parallel staining of serial sections with conventionally H&E and cytokeratin AE1/AE3 immunohistochemical staining was performed. Results were evaluated by an experienced dermatohistopathologist. In 55.6% (n = 10), the margins of 3D histology still showed no evidence of neoplastic lesions in both stainings. In contrast, we found neoplastic lesions in 5 of 18 cases (27.8%) with cytokeratin AE1/AE3 staining, while H&E-staining remained negative. In addition, neoplastic lesions were found in both, H&E as well as cytokeratin AE1/AE3 staining in three cases (16.7%). The data presented show improvement of diagnosis in 27.8% of cases using IHC and 3D-histology. This method is suitable to improve the diagnosis of DSCC. PMID- 27864628 TI - Provider perspectives on patient-provider communication for adjuvant endocrine therapy symptom management. AB - PURPOSE: Providers' communication skills play a key role in encouraging breast cancer survivors to report symptoms and adhere to long-term treatments such as adjuvant endocrine therapy (AET). The purpose of this study was to examine provider perspectives on patient-provider communication regarding AET symptom management and to explore whether provider perspectives vary across the multi disciplinary team of providers involved in survivorship care. METHODS: We conducted three one-hour focus groups with a multi-disciplinary group of health care providers including oncology specialists, primary care physicians, and non physician providers experienced in caring for breast cancer survivors undergoing AET (n = 13). Themes were organized using Epstein and Street's (2007) Framework for Patient-Centered Communication in Cancer Care. RESULTS: The findings of this study suggest providers' communication behaviors including managing survivors' uncertainty, responding to survivors' emotions, exchanging information, and enabling self-management influences the quality of patient-provider communication about AET symptoms. Additionally, lack of systematic symptom assessment tools for AET requires providers to use discretion in determining which symptoms to discuss with survivors resulting in approaches that vary based on providers' discipline. CONCLUSION: There may be AET-specific provider communication skills and behaviors that promote effective patient-provider communication but additional research is needed to identify practices and policies that encourage these skills and behaviors among the many providers involved in survivorship care. Efforts are also needed to coordinate AET symptom assessment across providers, clarify providers' roles in symptom assessment, and determine best practices for AET symptom communication. PMID- 27864630 TI - The interlaminar glia: from serendipity to hypothesis. AB - An account of work performed at the UNA laboratories since 1992 on the detection and description of interlaminar glial processes, is presented. The incidental observation (serendipity) of longer than expected glial processes in the superficial layers of the cerebral cortex in hemiparkinsonian Cebus apella monkeys, was expanded afterwards to cover the largest possible sampling of representatives of mammalian orders and species, as well as in experimental and pathological conditions, in human and non-human primates. The term interlaminar was coined to differentiate these processes from the classical astroglial stellate, intralaminar ones. Such account grew to the point of inspiring, on speculative grounds, possible roles in the organization of the cerebral cortex. Interlaminar glial processes represent an essentially primate characteristic, affected by neuropathological conditions such as DS and AD and experimental procedures affecting normal sensory input, suggesting thalamic involvement in their normal expression. Their ontogenetic development, phylogenetic evolution and aging changes are described. PMID- 27864631 TI - Factors affecting efficacy of packed red blood cell transfusion in neonates. AB - : The degree of increase in haematocrit and equilibration time following packed red blood cell (PRBC) transfusion in neonates is not well studied. We evaluated change in haematocrit 15 min, 6 h and 24 h after PRBC transfusion in neonates and factors predicting this change. Among neonates receiving PRBC transfusion, we recorded pre-transfusion haematocrit and a priori identified putative variables affecting change in haematocrit following transfusion. The factors affecting change in haematocrit were analyzed by multiple linear regression analysis. Eighty-one neonates received 119 PRBC transfusions (mean volume 16 +/- 4 mL/kg). Haematocrit increased from 26 +/- 5 to 41 +/- 5% at 15 min after PRBC transfusion (p = 0.001) and remained stable till 6 h (41 +/- 5%, p = 0.11). It decreased to 40 +/- 5%, at 24 h post transfusion (p < 0.001). On linear regression analysis, baseline haematocrit of the baby, donor blood haematocrit and volume of PRBC transfusion were independent determinants of increase in haematocrit. CONCLUSION: After 16 mL/kg PRBC transfusion in neonates, haematocrit increased by 15% at 15 min post transfusion. The equilibration in haematocrit values was achieved by 15 min after transfusion. Baseline haematocrit of neonate, donor blood haematocrit and transfusion volume independently determine the rise in haematocrit. What is Known: * Rise in haematocrit following PRBC transfusion in neonates has been studied in a small number of stable infants. * Determinants of efficacy of PRBC transfusion have not been well studied in newborns. What is New: * Each milliliter/kilogramme of PRBC transfusion increases the neonate's haematocrit by approximately 1%. * Baseline haematocrit, donor blood haematocrit and transfusion volume per kilogramme body weight independently determine the rise in haematocrit. PMID- 27864633 TI - Biological characterization of highly pathogenic avian influenza H5N1 viruses that infected humans in Egypt in 2014-2015. AB - Highly pathogenic avian influenza (HPAI) H5N1 influenza viruses emerged as a human pathogen in 1997 with expected potential to undergo sustained human-to human transmission and pandemic viral spread. HPAI H5N1 is endemic in Egyptian poultry and has caused sporadic human infection. The first outbreak in early 2006 was caused by clade 2.2 viruses that rapidly evolved genetically and antigenically. A sharp increase in the number of human cases was reported in Egypt in the 2014/2015 season. In this study, we analyzed and characterized three isolates of HPAI H5N1 viruses isolated from infected humans in Egypt in 2014/2015. Phylogenetic analysis demonstrated that the nucleotide sequences of eight segments of the three isolates were clustered with those of members of clade 2.2.1.2. We also found that the human isolates from 2014/2015 had a slight, non-significant difference in their affinity for human-like sialic acid receptors. In contrast, they showed significant differences in their replication kinetics in MDCK, MDCK-SIAT, and A549 cells as well as in embryonated chicken eggs. An antiviral bioassay study revealed that all of the isolates were susceptible to amantadine. Therefore, further investigation and monitoring is required to correlate the genetic and/or antigenic changes of the emerging HPAI H5N1 viruses with possible alteration in their characteristics and their potential to become a further threat to public health. PMID- 27864634 TI - Reactions of aquacobalamin and cob(II)alamin with chlorite and chlorine dioxide. AB - Reactions of aquacobalamin (H2O-Cbl(III)) and its one-electron reduced form (cob(II)alamin, Cbl(II)) with chlorite (ClO2-) and chlorine dioxide (ClO 2* ) were studied by conventional and stopped-flow UV-Vis spectroscopies and matrix assisted laser desorption/ionization-mass spectrometry (MALDI-MS). ClO2- does not react with H2O-Cbl(III), but oxidizes Cbl(II) to H2O-Cbl(III) as a major product and corrin-modified species as minor products. The proposed mechanism of chlorite reduction involves formation of OCl- that modifies the corrin ring during the course of reaction with Cbl(II). H2O-Cbl(III) undergoes relatively slow destruction by ClO 2* via transient formation of oxygenated species, whereas reaction between Cbl(II) and ClO 2* proceeds extremely rapidly and leads to the oxidation of the Co(II)-center. PMID- 27864636 TI - Do early postoperative CT findings following type A aortic dissection repair predict early clinical outcome? AB - PURPOSE: The purposes of this study are to determine the prevalence of specific postoperative CT findings following Stanford type A aortic dissection repair in the early postoperative period and to determine if these postoperative findings are predictive of adverse clinical outcome. METHODS: Patients who underwent type A dissection repair between January 2012 and December 2014 were identified from our institutional cardiac surgery database. Postoperative CT exams within 1 month of surgery were retrospectively reviewed to determine sizes and attenuation of mediastinal, pericardial, and pleural fluid, and the presence or absence of pneumomediastinum, pneumothorax, or lung consolidation. Poor early clinical outcome was defined as length of stay (LOS) > 14 days. Student's t test and chi square test were used to determine the relationship between postoperative CT features and early clinical outcome. RESULTS: Thirty-nine patients (24 M, 15 F, mean age 58.5 +/- 13.7 years) underwent type A dissection repair and mean LOS was 17.3 +/- 21.2 days. A subset of 19 patients underwent postoperative CTs within 30 days of surgery, and there was no significant relationship between LOS and sizes and attenuation of mediastinal, pericardial, and pleural fluid, and the presence or absence of pneumomediastinum, pneumothorax, or lung consolidation. CONCLUSIONS: CT features such as mediastinal, pericardial, and pleural fluid were ubiquitous in the early postoperative period. There was no consistent CT feature or threshold that could reliably differentiate between "normal postoperative findings" and early postoperative complications. PMID- 27864635 TI - Soluble CD200 Correlates With Interleukin-6 Levels in Sera of COPD Patients: Potential Implication of the CD200/CD200R Axis in the Disease Course. AB - BACKGROUND: COPD represents a multifactorial lung disorder with high morbidity and mortality. Despite intensive research concerning the underlying disease mechanisms, the involvement of the CD200/CD200R axis in supporting or preventing the onset of COPD has not yet been addressed. Since the CD200/CD200R axis is crucially implicated in the maintenance of pulmonary immune homeostasis, we hypothesized that it might be involved in controlling the onset of COPD. METHODS: To address this, we analyzed the serum samples from COPD patients and normal controls for soluble (s) CD200 and correlated the data to COPD-relevant clinical parameters. In addition, basic studies were conducted in CD200-deficient and wild type mice in which COPD-like inflammation was induced with elastase/LPS followed by lung and serum component analysis. RESULTS: We observed a positive correlation between serum sCD200 and IL-6 levels as well as a trend toward a negative correlation of sCD200 with vitamin D3 in COPD patients. Further investigations in mice revealed that despite elevated serum concentration of MMP-9 in CD200KO mice, the early onset of COPD-like lung inflammation was similar in CD200-deficient and wild-type animals in terms of immune cell infiltration, emphysematous changes, and mucus overproduction. CONCLUSIONS: While our murine studies suggest that the co-inhibitory molecule CD200 does not appear to play a prominent role in the early onset of COPD-like features, correlation of sCD200 serum levels with COPD related parameters in humans with established disease revealed that the CD200/CD200R axis may be mechanistically linked to the disease course in COPD patients. PMID- 27864637 TI - Separate and combined effects of exposure to heat stress and mental fatigue on endurance exercise capacity in the heat. AB - PURPOSE: This study investigated the effects of exposure to pre-exercise heat stress and mental fatigue on endurance exercise capacity in a hot environment. METHODS: Eight volunteers completed four cycle exercise trials at 80% maximum oxygen uptake until exhaustion in an environmental chamber maintained at 30 degrees C and 50% relative humidity. The four trials required them to complete a 90 min pre-exercise routine of either a seated rest (CON), a prolonged demanding cognitive task to induce mental fatigue (MF), warm water immersion at 40 degrees C during the last 30 min to induce increasing core temperature (WI), or a prolonged demanding cognitive task and warm water immersion at 40 degrees C during the last 30 min (MF + WI). RESULTS: Core temperature when starting exercise was higher following warm water immersion (~38 degrees C; WI and MF + WI) than with no water immersion (~36.8 degrees C; CON and MF, P < 0.001). Self reported mental fatigue when commencing exercise was higher following cognitive task (MF and MF + WI) than with no cognitive task (CON and WI; P < 0.05). Exercise time to exhaustion was reduced by warm water immersion (P < 0.001) and cognitive task (P < 0.05). Compared with CON (18 +/- 7 min), exercise duration reduced 0.8, 26.6 and 46.3% in MF (17 +/- 7 min), WI (12 +/- 5 min) and MF + WI (9 +/- 3 min), respectively. CONCLUSIONS: This study demonstrates that endurance exercise capacity in a hot environment is impaired by either exposure to pre exercise heat stress or mental fatigue, and this response is synergistically increased during combined exposure to them. PMID- 27864638 TI - Effects of caffeine on neuromuscular fatigue and performance during high intensity cycling exercise in moderate hypoxia. AB - PURPOSE: To investigate the effects of caffeine on performance, neuromuscular fatigue and perception of effort during high-intensity cycling exercise in moderate hypoxia. METHODS: Seven adult male participants firstly underwent an incremental exercise test on a cycle ergometer in conditions of acute normobaric hypoxia (fraction inspired oxygen = 0.15) to establish peak power output (PPO). In the following two visits, they performed a time to exhaustion test (78 +/- 3% PPO) in the same hypoxic conditions after caffeine ingestion (4 mg kg-1) and one after placebo ingestion in a double-blind, randomized, counterbalanced cross-over design. RESULTS: Caffeine significantly improved time to exhaustion by 12%. A significant decrease in subjective fatigue was found after caffeine consumption. Perception of effort and surface electromyographic signal amplitude of the vastus lateralis were lower and heart rate was higher in the caffeine condition when compared to placebo. However, caffeine did not reduce the peripheral and central fatigue induced by high-intensity cycling exercise in moderate hypoxia. CONCLUSION: The caffeine-induced improvement in time to exhaustion during high intensity cycling exercise in moderate hypoxia seems to be mediated by a reduction in perception of effort, which occurs despite no reduction in neuromuscular fatigue. PMID- 27864639 TI - Molecular phylogeny of the cosmopolitan aquatic plant genus Limosella (Scrophulariaceae) with a particular focus on the origin of the Australasian L. curdieana. AB - Limosella is a small aquatic genus of Scrophulariaceae of twelve species, of which one is distributed in northern circumpolar regions, two in southern circumpolar regions, two in the Americas, one endemic to Australia, and six in tropical or southern Africa or both. The Australasian L. curdieana has always been considered distinct but its close phylogenetic relationships have never been inferred. Here, we investigated the following alternative phylogenetic hypotheses based on comparative leaf morphology and habitat preferences or floral morphology: (1) L. curdieana is sister to the African L. grandiflora; or (2) it is closely related to a group of other African species and the northern circumpolar L. aquatica. We tested these hypotheses in a phylogenetic framework using DNA sequence data from four plastid DNA regions and the nuclear ITS region. These were analyzed using maximum parsimony and Bayesian inference. We obtained moderately resolved, partially conflicting phylogenies, supporting that accessions of L. grandiflora form the sister group to the rest of the genus and that L. curdieana groups with the African taxa, L. africana and L. major, and L. aquatica. Thus, the molecular evidence supports the second hypothesis. A biogeographic analysis suggests an out-of-southern Africa scenario and several dispersal events in the Southern Hemisphere. Past dispersal from southern Africa to Australasia is suggested, yet it cannot be excluded that a route via tropical Africa and temperate Asia has existed. PMID- 27864640 TI - Arabidopsis phospholipase D alpha 1-derived phosphatidic acid regulates microtubule organization and cell development under microtubule-interacting drugs treatment. AB - Phospholipase D (PLD) and its product phosphatidic acid (PA) are emerging as essential regulators of cytoskeleton organization in plants. However, the underlying molecular mechanisms of PA-mediated microtubule reorganization in plants remain largely unknown. In this study, we used pharmacological and genetic approaches to analyze the function of Arabidopsis thaliana PLDalpha1 in the regulation of microtubule organization and cell development in response to microtubule-affecting drugs. Treatment with the microtubule-stabilizing drug paclitaxel resulted in less growth inhibition and decreased rightward slant of roots, longitudinal alignment of microtubules, and enhanced length of hypocotyl epidermal cells in the pldalpha1 mutant, the phenotype of which was rescued by exogenous application of PA. Moreover, the pldalpha1 mutant was sensitive to the microtubule-disrupting drugs oryzalin and propyzamide in terms of seedling survival ratio, left-skewing angle of roots and microtubule organization. In addition, both disruption and stabilization of microtubules induced by drugs activated PLDalpha1 activity. Our findings demonstrate that in A. thaliana, PLDalpha1/PA might regulate cell development by modulating microtubule organization in an activity-dependent manner. PMID- 27864642 TI - Evolution of kin recognition mechanisms in a fish. AB - Both selection and phylogenetic history can influence the evolution of phenotypic traits. Here we used recently characterized variation in kin recognition mechanisms among six guppy populations to explore the phylogenetic history of this trait. Guppies can use two different kin recognition mechanisms: either phenotype matching, in which individuals are identified based on comparison with a recognition template, or familiarity, in which individuals are remembered based on previous interactions. Across the six populations, we identified four transitions in recognition mechanism: phenotype matching evolved once and was subsequently lost in a single population, whereas familiarity evolved twice. Based on a molecular clock, these transitions occurred among populations that had diverged on a timescale of hundreds of thousands of years, which is two orders of magnitude faster than previously documented transitions in recognition mechanisms. A randomization test provided no evidence that recognition mechanisms were constrained by phylogeny, suggesting that recognition mechanisms have the capacity to evolve rapidly, although the specific selection pressures that may be contributing to variation in recognition mechanisms across populations remain unknown. PMID- 27864641 TI - An open prospective single cohort multicenter study evaluating the novel, tapered, conical connection implants supporting single crowns in the anterior and premolar maxilla: interim 1-year results. AB - OBJECTIVES: The aim of this multicenter prospective clinical study was to evaluate anodized tapered implants with a conical connection and integrated platform shifting placed in the anterior and premolar maxilla. MATERIALS AND METHODS: The study enrolled patients requiring single-tooth restorations in healed sites of maxillary anterior and premolar teeth. All implants were immediately temporized. Clinical and radiographic evaluations were conducted at implant insertion, 6 months, and 1 year. Outcome measures included bone remodeling, cumulative survival rate (CSR), success rate, soft-tissue health and esthetics, and patient satisfaction. Bone remodeling and pink esthetic score were analyzed using Wilcoxon signed-rank tests. CSR was calculated using life table analysis. Other soft-tissue outcomes were analyzed using sign tests. RESULTS: Out of 97 enrolled patients (102 implants), 87 patients (91 implants) completed the 1 year visit. Marginal bone remodeling was -0.85 +/- 1.36 mm. After the expected initial bone loss, a mean bone gain of 0.11 +/- 1.05 mm was observed between 6 months and 1 year. The CSR was 99.0%, and the cumulative success rate was 97.0%. Partial or full papilla was observed at 30.8% of sites at baseline, 87.2% at 6 months, and 90.5% at 1 year. Soft-tissue response, esthetics, and patient satisfaction all improved during the study period. CONCLUSIONS: Bone gain was observed following the expected initial bone loss, and soft-tissue outcomes improved suggesting favorable tissue response using anodized tapered conical connection implants. CLINICAL RELEVANCE: Rapid stabilization of bone remodeling and robust papilla regeneration indicate favorable tissue healing promoted by the conical connection, platform-shift design. TRIAL REGISTRATION: clinicaltrials.gov NCT02175550. PMID- 27864643 TI - Robust representations of individual faces in chimpanzees (Pan troglodytes) but not monkeys (Macaca mulatta). AB - Being able to recognize the faces of our friends and family members no matter where we see them represents a substantial challenge for the visual system because the retinal image of a face can be degraded by both changes in the person (age, expression, pose, hairstyle, etc.) and changes in the viewing conditions (direction and degree of illumination). Yet most of us are able to recognize familiar people effortlessly. A popular theory for how face recognition is achieved has argued that the brain stabilizes facial appearance by building average representations that enhance diagnostic features that reliably vary between people while diluting features that vary between instances of the same person. This explains why people find it easier to recognize average images of people, created by averaging multiple images of the same person together, than single instances (i.e. photographs). Although this theory is gathering momentum in the psychological and computer sciences, there is no evidence of whether this mechanism represents a unique specialization for individual recognition in humans. Here we tested two species, chimpanzees (Pan troglodytes) and rhesus monkeys (Macaca mulatta), to determine whether average images of different familiar individuals were easier to discriminate than photographs of familiar individuals. Using a two-alternative forced-choice, match-to-sample procedure, we report a behaviour response profile that suggests chimpanzees encode the faces of conspecifics differently than rhesus monkeys and in a manner similar to humans. PMID- 27864645 TI - Factors influencing and consequences of breeding dispersal and habitat choice in female grey seals (Halichoerus grypus) on Sable Island, Nova Scotia. AB - Selection of breeding location can influence reproductive success and fitness. Breeding dispersal links habitat use and reproduction. This study investigated factors affecting breeding dispersal and its reproductive consequences in grey seals (Halichoerus grypus) on Sable Island, Nova Scotia. Breeding dispersal distance was determined in 692 individually marked, known-age female grey seals observed from 2004 to 2014. We used generalized linear mixed-effects models to test hypotheses concerning environmental and demographic factors influencing breeding dispersal distance and the consequences of dispersal distance on offspring weaning mass. Grey seal females rarely exhibited fidelity to previous breeding sites. Median dispersal distance between years was 5.1 km. Only 2.9% of females returned to a previous breeding site. Breeding dispersal distance was affected by parity and density, but effects were small and are presumably of no biological significance. Variation in dispersal distance among adult females was large. Dispersal distance had no significant influence on offspring weaning mass; however, as previously found, pup sex and maternal age did. Although breeding location was not important, heavier pups were born in habitats with no tidal or storm-surge influence indicating that breeding habitat type did influence offspring size at weaning. The lack of site fidelity in grey seals on Sable Island is associated with an unpredictable and changing landscape (sand dunes) that could make it difficult for females to locate previous breeding locations. Although breeding location within habitat type had small consequences on offspring weaning mass, we detected no evidence that breeding site selection within the habitat had consequences to females. PMID- 27864647 TI - Prethrombotic, prothrombotic, thrombophilic states, hypercoagulable state, thrombophilia etc.: semantics should be respected even in medical papers. AB - The study of prothrombotic or thrombophilic states have drawn considerable attention during the past two decades. This was the result of the increasing number of thrombotic events, both arterial and venous reported all over the world but especially in the developed countries. This wealth of studies and papers have not always respected the semantical significance of the various terms used, namely prethrombotic state, hypercoagulable state, thrombophilic or prothrombotic state, thrombophilia, susceptibility to thrombosis and procoagulant state. This review is an attempt to adhere to a correct Semantic format in order to avoid confusion and misinterpretations. This is of fundamental importance in order to avoid the wrong attribution of a thrombosis to a hypercoagulable or a prethrombotic state. PMID- 27864644 TI - Targeting and alteration of tight junctions by bacteria and their virulence factors such as Clostridium perfringens enterotoxin. AB - The integrity of tight junctions, which regulate paracellular permeability, is challenged by many bacterial pathogens. This is caused by inflammatory responses triggered by pathogens and direct interaction of bacteria or their toxins with host epithelial cells. In some cases, tight junction proteins represent receptors for cell surface proteins or toxins of the pathogen, such as Clostridium perfringens enterotoxin (CPE). CPE causes diarrhea and cramps-the symptoms of a common foodborne illness, caused by C. perfringens type A. It uses a subgroup of the claudin family of tight junction proteins as receptors and forms pores in the membrane of intestinal epithelial cells. Ca2+ influx through these pores finally triggers cell damage. In this review, we summarize tight junction targeting and alteration by a multitude of different microorganisms such as C. perfringens, Escherichia coli, Helicobacter pylori, Salmonella typhimurium, Shigella flexneri, Vibrio cholerae, Yersinia enterocolitica, protozoan parasites, and their proteins. A focus is drawn towards CPE, the interaction with its receptors, cellular, and pathophysiological consequences for the intestinal epithelium. In addition, we portend to the use of CPE-based claudin modulators for drug delivery as well as diagnosis and therapy of cancer. PMID- 27864646 TI - Low-level laser irradiation modulates brain-derived neurotrophic factor mRNA transcription through calcium-dependent activation of the ERK/CREB pathway. AB - Low-level laser (LLL) irradiation has been reported to promote neuronal differentiation, but the mechanism remains unclear. Brain-derived neurotrophic factor (BDNF) has been confirmed to be one of the most important neurotrophic factors because it is critical for the differentiation and survival of neurons during development. Thus, this study aimed to investigate the effects of LLL irradiation on Bdnf messenger RNA (mRNA) transcription and the molecular pathway involved in LLL-induced Bdnf mRNA transcription in cultured dorsal root ganglion neurons (DRGNs) using Ca2+ imaging, pharmacological detections, RNA interference, immunocytochemistry assay, Western blot, and qPCR analysis. We show here that LLL induced increases in the [Ca2+] i level, Bdnf mRNA transcription, cAMP-response element-binding protein (CREB) phosphorylation, and extracellular signal regulated kinase (ERK) phosphorylation, mediated by Ca2+ release via inositol triphosphate receptor (IP3R)-sensitive calcium (Ca2+) stores. Blockade of Ca2+ increase suppressed Bdnf mRNA transcription, CREB phosphorylation, and ERK phosphorylation. Downregulation of phosphorylated (p)-CREB reduced Bdnf mRNA transcription triggered by LLL. Furthermore, blockade of ERK using PD98059 inhibitor reduced p-CREB and Bdnf mRNA transcription induced by LLL. Taken together, these findings establish the Ca2+-ERK-CREB cascade as a potential signaling pathway involved in LLL-induced Bdnf mRNA transcription. To our knowledge, this is the first report of the mechanisms of Ca2+-dependent Bdnf mRNA transcription triggered by LLL. These findings may help further explore the complex molecular signaling networks in LLL-triggered nerve regeneration in vivo and may also provide experimental evidence for the development of LLL for clinical applications. PMID- 27864650 TI - Heme oxygenase-1 protects spinal cord neurons from hydrogen peroxide-induced apoptosis via suppression of Cdc42/MLK3/MKK7/JNK3 signaling. AB - The mechanisms by which oxidative stress induces spinal cord neuron death has not been completely understood. Investigation on the molecular signal pathways involved in oxidative stress-mediated neuronal death is important for development of new therapeutics for oxidative stress-associated spinal cord disorders. In current study we examined the role of heme oxygenase-1 (HO-1) in the modulation of MLK3/MKK7/JNK3 signaling, which is a pro-apoptotic pathway, after treating primary spinal cord neurons with H2O2. We found that MLK3/MKK7/JNK3 signaling was substantially activated by H2O2 in a time-dependent manner, demonstrated by increase of activating phosphorylation of MLK3, MKK7 and JNK3. H2O2 also induced expression of HO-1. Transduction of neurons with HO-1-expressing adeno-associated virus before H2O2 treatment introduced expression of exogenous HO-1 in neurons. Exogenous HO-1 reduced phosphorylation of MLK3, MKK7 and JNK3. Consistent with its inhibitory effect on MLK3/MKK7/JNK3 signaling, exogenous HO-1 decreased H2O2 induced neuronal apoptosis and necrosis. Furthermore, we found that exogenous HO 1 inhibited expression of Cdc42, which is crucial for MLK3 activation. In addition, HO-1-induced down-regulation of MLK3/MKK7/JNK3 signaling might be related to up-regulation of microRNA-137 (mir-137). A mir-137 inhibitor alleviated the inhibitory effect of HO-1 on JNK3 activation. This inhibitor also increased neuronal death even when exogenous HO-1 was expressed. Therefore, our study suggests a novel mechanism by which HO-1 exerted its neuroprotective efficacy on oxidative stress. PMID- 27864651 TI - All in the family? Analyzing the impact of family history in addition to genotype on medullary thyroid carcinoma aggressiveness in MEN2A patients. AB - Several guidelines for patients with multiple endocrine neoplasia 2A (MEN2A) take into account genotype and family history of medullary thyroid carcinoma (MTC) disease aggressiveness. We sought to determine if an association exists independent of genotype, which could provide important information for counseling MEN2A patients in management of their MTC. Pedigrees of patients with >=5 family members with MEN2A were retrospectively reviewed. Analysis was performed among kindreds with the most frequently observed codon mutation (RET 634). Familial MTC disease aggressiveness was evaluated using: (1) mean age at diagnosis of MTC, (2) current mean age of carriers without MTC, (3) proportion of kindred with MTC with metastatic disease at diagnosis, (4) proportion of kindred with MTC with metastasis/death from MTC as worst outcome, and (5) proportion of kindred with disease progression. 170 affected patients from 12 different MEN2A kindreds met inclusion criteria. The number of affected family members available for study per kindred ranged from 8 to 43 individuals. A difference in mean age of MTC diagnosis was found in screened patients (p = 0.01); mean age of MTC-free patients did not differ (p = 0.93). No differences were noted among kindreds in disease stage at presentation, worst outcome, or progression; marked variation in these measures was noted within families. In conclusion, a difference in age of MTC diagnosis among different RET 634 kindreds was identified. In contrast, notable intra-familial variability in disease aggressiveness was observed. Based on these findings, we recommend counseling patients with codon 634 mutations that their MTC disease course cannot be predicted by that of their relatives. PMID- 27864648 TI - Actomyosin based contraction: one mechanokinetic model from single molecules to muscle? AB - Bridging the gaps between experimental systems on different hierarchical scales is needed to overcome remaining challenges in the understanding of muscle contraction. Here, a mathematical model with well-characterized structural and biochemical actomyosin states is developed to that end. We hypothesize that this model accounts for generation of force and motion from single motor molecules to the large ensembles of muscle. In partial support of this idea, a wide range of contractile phenomena are reproduced without the need to invoke cooperative interactions or ad hoc states/transitions. However, remaining limitations exist, associated with ambiguities in available data for model definition e.g.: (1) the affinity of weakly bound cross-bridges, (2) the characteristics of the cross bridge elasticity and (3) the exact mechanistic relationship between the force generating transition and phosphate release in the actomyosin ATPase. Further, the simulated number of attached myosin heads in the in vitro motility assay differs several-fold from duty ratios, (fraction of strongly attached ATPase cycle times) derived in standard analysis. After addressing the mentioned issues the model should be useful in fundamental studies, for engineering of myosin motors as well as for studies of muscle disease and drug development. PMID- 27864649 TI - Cardioprotective effects of omega 3 fatty acids: origin of the variability. AB - Since 40 years, it is known that omega-3 poly-unsaturated fatty acids (omega3 PUFAs) have cardioprotective effects. These include antiarrhythmic effects, improvements of autonomic function, endothelial function, platelet anti aggregation and inflammatory properties, lowering blood pressure, plaque stabilization and reduced atherosclerosis. However, recently, conflicting results regarding the health benefits of omega3 PUFAs from seafood or omega3 PUFAs supplements have emerged. The aim of this review is to examine recent literature regarding health aspects of omega3 PUFAs intake from fish or supplements, and to discuss different arguments/reasons supporting these conflicting findings. PMID- 27864652 TI - Differences in mammographic density between Asian and Caucasian populations: a comparative analysis. AB - PURPOSE: Mammographic density is a measurable and modifiable biomarker that is strongly and independently associated with breast cancer risk. Paradoxically, although Asian women have lower risk of breast cancer, studies of minority Asian women in predominantly Caucasian populations have found that Asian women have higher percent density. In this cross-sectional study, we compared the distribution of mammographic density for a matched cohort of Asian women from Malaysia and Caucasian women from Sweden, and determined if variations in mammographic density could be attributed to population differences in breast cancer risk factors. METHODS: Volumetric mammographic density was compared for 1501 Malaysian and 4501 Swedish healthy women, matched on age and body mass index. We used multivariable log-linear regression to determine the risk factors associated with mammographic density and mediation analysis to identify factors that account for differences in mammographic density between the two cohorts. RESULTS: Compared to Caucasian women, percent density was 2.0% higher among Asian women (p < 0.001), and dense volume was 5.7 cm3 higher among pre-menopausal Asian women (p < 0.001). Dense volume was 3.0 cm3 lower among post-menopausal Asian women (p = 0.009) compared to post-menopausal Caucasian women, and this difference was attributed to population differences in height, weight, and parity (p < 0.001). CONCLUSIONS: Our analysis suggests that among post-menopausal women, population differences in mammographic density and risk to breast cancer may be accounted for by height, weight, and parity. Given that pre-menopausal Asian and Caucasian women have similar population risk to breast cancer but different dense volume, development of more appropriate biomarkers of risk in pre-menopausal women is required. PMID- 27864653 TI - The developmental competence of oocytes parthenogenetically activated by an electric pulse and anisomycin treatment. AB - OBJECTIVE: The aim of this study was to investigate the developmental competence of oocytes parthenogenetically activated by an electric pulse (EP) and treated with anisomycin and to determine whether this method is applicable to somatic cell nuclear transfer (SCNT). RESULTS: Embryos derived from porcine oocytes parthenogenetically activated by an EP and treatment with 0.01 ug/mL anisomycin had a significantly improved in vitro developmental capacity. Furthermore, 66.6% of blastocysts derived from these embryos had a diploid karyotype. The blastocyst formation rate of cloned embryos was similar between oocytes activated by an EP and treated with 2 mM 6-dimethylaminopurine for 4 h and those activated by an EP and treated with 0.01 ug/mL anisomycin for 4 h. The level of maturation-promoting factor was significantly decreased in oocytes activated by an EP and treated with anisomycin. Finally, the mRNA expression levels of apoptosis-related genes (Bax and Bcl-2) and pluripotency-related genes (Oct4, Nanog, and Sox2) were checked by RT-PCR. CONCLUSION: Our results demonstrate that porcine oocyte activation via an EP in combination with anisomycin treatment can lead to a high blastocyst formation rate in parthenogenetic activation and SCNT experiments. PMID- 27864654 TI - A dual substrate kinetic model for cytochrome P450BM3-F87G catalysis: simultaneous binding of long chain aldehydes and 4-fluorophenol. AB - OBJECTIVE: To develop a model for binding and catalysis associated with the stimulation of 4-fluorophenol (4-FP) oxidation in the presence of long chain aldehydes by the enzymatic catalyst, cytochrome P450BM3-F87G. RESULTS: A variation of the Michaeli-Menten kinetic model was employed to describe interactions at the active site of the enzyme, along with computer aided modeling approaches. In addition to the hydroquinone product arising from de-fluorination of 4-FP, a second product (p-fluorocatechol) was also observed and, like the hydroquinone, its rate of formation increased in the presence of the aldehyde. When only aldehyde was present with the enzyme, BM3-F87G catalyzed its oxidation to the corresponding carboxylic acid; however, this activity was inhibited when 4 FP was added to the reaction. A 3D computer model of the active site containing both aldehyde and 4-FP was generated, guided by these kinetic observations. Finally, partitioning between the two phenolic products was examined with an emphasis on the conditions directing the initial epoxidation at either the 2,3- or 3,4-positions on the substrate. Temperature, reaction time, substrate concentration, and the structure of the aldehyde had no substantial effect on the overall product ratios, however the NADPH coupling efficiency decreased when unsaturated aldehydes were included, or when the temperature of the reaction was reduced. CONCLUSIONS: The unsaturated aldehyde, trans-2-decenal, stimulates BM3 F87G catalyzed oxidation of 4-fluorophenol through a cooperative active site binding mode that doesn't influence product distributions or coupling efficiencies, while 4-fluorophenol acts as a competitive inhibitor of aldehyde oxidation. PMID- 27864655 TI - Imitating the effect of amblyopia on VEP-based acuity estimates. AB - PURPOSE: Acuity testing based on visual evoked potentials (VEPs) overestimates acuity in patients with amblyopia. We hypothesized that distortion and fragmentation of the stimulus in amblyopia impede recognition of optotypes, while it leaves the pattern onset response in the VEP mostly unaffected, resulting in overestimation of acuity. METHODS: Acuity VEPs were recorded in visually normal participants with the stimulus degraded by patterned polymethyl methacrylate panes, which induce distortion and fragmentation. For comparison, frosted panes were used to induce blur through wide-angle scattering. Standard psychophysical optotype acuity was recorded under the same conditions. RESULTS: With the distorted and fragmented stimuli, the VEP consistently overestimated acuity relative to psychophysical optotype acuity. With blurred stimuli, both measures were in good agreement. CONCLUSIONS: The data support the assumption that stimulus distortion and fragmentation leave VEP-based measures of acuity relatively unaffected, resulting in a discrepancy between measures of acuity that are based on checkerboard VEPs on one hand and psychophysical optotype recognition on the other hand. The technique of stimulus degradation described here provides a simple and efficient way of imitating effects that are known from amblyopia and may thus serve as a tool in the evaluation of vision tests. PMID- 27864657 TI - Erratum to: Vedolizumab Therapy Is Associated with an Improvement in Sleep Quality and Mood in Inflammatory Bowel Diseases. PMID- 27864658 TI - Conjugates between photosystem I and a carbon nanotube for a photoresponse device. AB - Photosystem I (PS I) is a large pigment-protein complex embedded in the thylakoid membranes that performs light-driven electron transfer across the thylakoid membrane. Carbon nanotubes exhibit excellent electrical conductivities and excellent strength and stiffness. In this study, we generated PSI-carbon nanotube conjugates dispersed in a solution aimed at application in artificial photosynthesis. PS I complexes in which a carbon nanotube binding peptide was introduced into the middle of the PsaE subunit were conjugated on a single-walled carbon nanotube, orienting the electron acceptor side to the nanotube. Spectral and photoluminescence analysis showed that the PS I is bound to a single-walled carbon nanotube, which was confirmed by transmission electron microscopy. Photocurrent observation proved that the photoexcited electron originated from PSI and transferred to the carbon nanotube with light irradiation, which also confirmed its orientated conjugation. The PS I-carbon nanotube conjugate will be a useful nano-optoelectronic device for the development of artificial systems. PMID- 27864656 TI - Nitric Oxide and Hydrogen Sulfide Interact When Modulating Gastric Physiological Functions in Rodents. AB - AIM: The objective was to evaluate the effects of nitric oxide (NO) and hydrogen sulfide (H2S) donors and possible interactions between these two systems in modulating gastric function. METHODS: Mice received saline, sodium nitroprusside (SNP), or sodium hydrosulfite (NaHS), and after 1 h, the animals were killed for immunofluorescence analysis of CSE or eNOS expressions, respectively. Other groups received saline, SNP, NaHS, Lawesson's reagent (H2S donor), PAG + SNP, L NAME, L-NAME + NaHS, or L-NAME + Lawesson's reagent. Then, the gastric secretions (mucous and acid), gastric blood flow, gastric defense against ethanol, and gastric motility (gastric emptying and gastric contractility) were evaluated. RESULTS: SNP and NaHS increased the expression of CSE or eNOS, respectively. SNP or Lawesson's reagent did not alter gastric acid secretion but increased mucus production, and these effects reverted with PAG and L-NAME treatment, respectively. SNP or NaHS increased gastric blood flow and protected the gastric mucosa against ethanol injury, and these effects reverted with PAG and L-NAME treatments, respectively. SNP delayed gastric emptying when compared with saline, and PAG partially reversed this effect. NaHS accelerate gastric emptying, and L NAME partially reversed this effect. SNP and NaHS alone induced gastric fundus and pylorus relaxation. However, pretreatment with PAG or L-NAME reversed these relaxant effects only in the pylorus but not in the gastric fundus. CONCLUSION: NO and H2S interact in gastric physiological functions, and this "cross-talk" is important in the control of mucus secretion, gastric blood flow, gastric mucosal defense, and gastric motility, but not in the control of basal gastric acid secretion. PMID- 27864659 TI - Immune complexes and complexity: investigating mechanisms of renal disease. AB - The deposition of immune complexes is the causal factor in distinct renal pathologies, e.g., lupus nephritis and membranous nephritis. The location of these deposits within a tissue biopsy is often the key to establishing a diagnosis. However, how immune complexes come to be deposited below the vascular endothelium was, until now, a mystery, as was their contribution to inducing inflammation. A recent paper in Cell by Stamatiades et al. (Cell 164(4):991-1003, 2016) demonstrates the active transport of immune complexes by the vascular endothelial cells and an Fc receptor-dependent uptake by tissue-resident macrophages. This leads to the activation of these macrophages and the release of pro-inflammatory cytokines, which in turn recruits immune cells from the blood into the kidney. The identification of these mechanisms should lead to a better stratification of kidney diseases and hopefully to the development of specific therapies. PMID- 27864660 TI - Effects of CYP2C9 genetic polymorphisms on the pharmacokinetics of celecoxib and its carboxylic acid metabolite. AB - Celecoxib, a selective cyclooxygenase (COX)-2 inhibitor, is used for the treatment of rheumatoid arthritis and osteoarthritis. The predominant hepatic metabolism of celecoxib to celecoxib carboxylic acid (CCA) is mediated mainly by CYP2C9. We investigated the effects of the major CYP2C9 genetic variants in Asian populations, CYP2C9*3 and CYP2C9*13, on the pharmacokinetics of celecoxib and its carboxylic acid metabolite in healthy Korean subjects. A single 200-mg oral dose of celecoxib was given to 52 Korean subjects with different CYP2C9 genotypes: CYP2C9EM (n = 26; CYP2C9*1/*1), CYP2C9IM (n = 24; CYP2C9*1/*3 and *1/*13), and CYP2C9PM (n = 2; CYP2C9*3/*3). Celecoxib and CCA concentrations in plasma samples collected up to 48 or 96 h after drug intake were determined by HPLC-MS/MS. The mean area under the plasma concentration-time curve (AUC0-infinity) of celecoxib was increased 1.63-fold (P < 0.001), and the apparent oral clearance (CL/F) of celecoxib was decreased by 39.6% in the CYP2C9IM genotype group compared with that of CYP2C9EM (P < 0.001). The overall pharmacokinetic parameters for celecoxib in CYP2C9*1/*13 subjects were similar to those in CYP2C9*1/*3 subjects. Two subjects with CYP2C9PM genotype both showed markedly higher AUC0-infinity, prolonged half-life, and lower CL/F for celecoxib than did subjects with CYP2C9EM and IM genotypes. CYP2C9*3 and CYP2C9*13 variant alleles significantly affected the plasma concentration of celecoxib. PMID- 27864662 TI - Erratum to: Plant Posters. PMID- 27864663 TI - Mesenchymal stem cells attenuate hydrogen peroxide-induced oxidative stress and enhance neuroprotective effects in retinal ganglion cells. AB - The apoptosis of retinal ganglion cells leads to visual impairment and blindness in ocular neurodegenerative diseases, especially in diabetic retinopathy (DR). Mounting evidence suggests that oxidative stress contributes to the pathogenesis of DR. In the present study, we investigated whether bone mesenchymal stem cells (BMSCs) have protective ability to relieve hydrogen peroxide (H2O2)-induced injury on retinal ganglion cells in vitro. An immortalized retinal ganglion cells, RGC-5 cells, were exposed to an indicated concentration of H2O2 for 24 h. Cell viability was analyzed by CCK-8 assay to find out a certain concentration to build H2O2 oxidative damage model. Morphological changes in RGC-5 cells were observed under optical microscope, and cell apoptosis was detected with Hoechst fluorescence staining. Then, BMSCs were co-cultured with RGC-5 cells in a transwell culture system for 24 h and 48 h. Flow cytometry was performed to qualify the apoptosis rate of RGC-5 cells. Conditioned medium was collected for evaluation the inflammatory cytokines by ELISA. The content of intracellular malondialdehyde (MDA) and superoxide dismutase (SOD) was assayed by thiobarbituric acid and xanthine oxidase method, respectively. qRT-PCR and ELISA were conducted for analysis of the expression changes in brain-derived neurotrophic factor (BDNF) and ciliary neurotrophic factor (CNTF), respectively. After H2O2 exposure, the morphological varieties were observed as cytoplasm shrinking and paramorphia together with nuclear gathering. Meanwhile, the apoptotic cells had hyperfluorescence with Hoechst 33258 staining. Co-culture with BMSCs significantly inhibited retinal cell death. It was found that BMSCs reduced H2O2-induced inflammatory factors IL-1beta and TNF-alpha, down-regulated intracellular oxidant factor MDA, up-regulated intracellular antioxidant factor SOD, and increased neurotrophins BDNF and CNTF expression. BMSCs may enhance protective effect of RGC-5 cells in H2O2-induced damage through improving antioxidant capacity, inhibiting pro-inflammatory cytokine secretion, and promoting neurotrophin expression. PMID- 27864664 TI - Radiofrequency ablation of pulmonary metastases from sarcoma: single-center retrospective evaluation of 46 patients. AB - PURPOSE: This retrospective, single-center study evaluated radiofrequency (RF) ablation for pulmonary metastases of sarcoma. MATERIALS AND METHODS: Forty-six patients with sarcoma (144 pulmonary metastases) underwent 88 RF ablation sessions. Data regarding local tumor progression, efficacy, procedural adverse events (AEs; National Cancer Institute Common Terminology Criteria for Adverse Events, version 4.0), overall survival (OS), and OS-associated prognostic factors were retrospectively evaluated using univariate analyses. RESULTS: Local progression occurred in 22 of 144 tumors (15.3%). Primary and secondary efficacy rates were 83.5 and 90.0% at 1 year and 76.3 and 81.4% at 2 years, respectively. Seventy-three grade 1 AEs, 33 grade 2 AEs, and no grade >= 3 AEs were observed. Twenty-eight patients (60.9%) remained alive and 18 died, yielding 1-, 2-, and 3 year OS rates of 80.6, 70.1, and 47.1% (median survival time, 31.7 months). Univariate analysis revealed extrapulmonary metastasis (P = 0.005), noncurative RF ablation (P = 0.009), and a post-RF ablation disease-free interval of <=12 months (P = 0.015) as significant negative prognostic factors. CONCLUSION: RF ablation is safe, offers good local control, and may be a viable treatment option for pulmonary metastasis of sarcoma. PMID- 27864661 TI - Molecular Anti-inflammatory Mechanisms of Retinoids and Carotenoids in Alzheimer's Disease: a Review of Current Evidence. AB - Alzheimer's disease (AD) is considered as one of the most prevalent neurodegenerative disorders characterized by progressive loss of mental function and ability to learn. AD is a multifactorial disorder. Various hypotheses are suggested for the pathophysiology of AD including "Abeta hypothesis," "tau hypothesis," and "cholinergic hypothesis." Recently, it has been demonstrated that neuroinflammation is involved in the pathogenesis of AD. Neuroinflammation causes synaptic dysfunction and neuronal death within the brain. Excessive production of pro-inflammatory mediators induces Abeta peptide production/accumulation and hyperphosphorylated tau generating inflammatory molecules and cytokines. These inflammatory molecules disrupt blood-brain barrier integrity and increase the production of Abeta42 oligomers. Retinoids and carotenoids are potent antioxidants and anti-inflammatory agents having neuroprotective properties. They are able to prevent disease progression through several mechanisms such as suppression of Abeta peptide production/accumulation, oxidative stress, and pro-inflammatory mediator's secretion as well as improvement of cognitive performance. These observations, therefore, confirm the neuroprotective role of retinoids and carotenoids through multiple pathways. Therefore, the administration of these nutrients is considered as a promising approach to the prevention and/or treatment of AD in the future. The aim of this review is to present existing evidences regarding the beneficial effects of retinoids and carotenoids on AD's risk and outcomes, seeking the mechanism of their action. PMID- 27864666 TI - Evaluation of Serum Trace Element Levels and Superoxide Dismutase Activity in Patients with Inflammatory Bowel Disease: Translating Basic Research into Clinical Application. AB - The relationship of minerals and trace elements with inflammatory bowel disease (IBD) is complex. Alterations in their metabolism can be induced by the diseases and their complications. To study the role of trace elements in IBD patients' serum zinc and copper and their related enzymes, including superoxide dismutase (SOD), activity were measured in patients with IBD patients as well as in healthy subjects. In addition, the correlation between serum trace element levels, albumin, total protein, urea level, copper/zinc ratio, and disease activity (DA) was determined in these subjects. Serum samples were obtained from 35 patients (19 ulcerative colitis (UC) and 16 Crohn's disease (CD)) in the active phase of the disease and 30 healthy control subjects. Serum levels of zinc, copper, SOD activity, albumin, total protein, and urea were measured. The results were compared between the two groups using independent Student's t test in statistical analysis. Serum levels of zinc, SOD activity, albumin, and total protein were significantly lower (P < 0.05) in patients than controls, while serum urea level was significantly higher in patients compared to controls. Copper concentrations did not differ between patients with IBD (mean +/- SD, 58.8 +/- 20.7 MUg/d) and controls (55.57 +/- 12.6 MUg/d). Decreased levels of zinc and SOD activity are associated with increased inflammatory processes indicating inappropriate antioxidant system in patients with IBD. Additionally, lower levels of albumin and total protein with higher level of urea reflect metabolic problems in liver system. PMID- 27864665 TI - Risk factors for bacteremia in urinary tract infections attended in the emergency department. AB - Urinary tract infections (UTI) are common in emergency departments (ED), and at least 15% of them are bacteremic. However, there are few data on how to predict which patients are at high risk of developing bacteremic UTI (b-UTI). We performed a retrospective observational cohort study including patients diagnosed with UTI who were admitted to the ED of a tertiary-care hospital in Spain. We included only those patients in whom blood cultures were performed. A nomogram for b-UTI was developed as visualizations of a logistic regression model. Two hundred and thirteen patients with UTI were finally included, 108 of them developed b-UTI (50.7%). The mean age was 60.5 +/- 21.4 years. A previous urologic disease was present in 45.5%, 12 out of 213 patients (5.6%) had a urologic tumor (10.2% in b-UTI group vs. 1% in non b-UTI, p = 0.003), and 4.2% were kidney transplant recipients. In a multivariate analysis, variables associated with b-UTI were: solid organ malignancy (OR 3.19; CI 95% 1.01-10.03, p = 0.04), elevated neutrophil count (more than 80% of neutrophils) (OR 5.84; CI 95% 2.13-15.99, p = 0.0006), elevated C reactive protein (OR 1.046; CI 95% 1.006 1.087, p = 0.022), and pyuria (presence of >=50 white cells per high-power field of urine) (OR 4.43; CI 95% 1.94-10.11, p = 0.0004). The presence of solid tumor, elevated neutrophil count, elevated C reactive protein, and pyuria are independent risk factors that could be useful in anticipating the development of bacteremia in patients with UTI seen in the ED. PMID- 27864667 TI - Examining the Impact of Rehospitalization on Healthcare Cost of Myocardial Infarction Patients in Beijing: A Retrospective Observational Study. AB - INTRODUCTION: To examine the impact of rehospitalization on the healthcare expenditure of myocardial infarction (MI) patients in Beijing. METHODS: Retrospective data of MI patients were retrieved from the Beijing Medical Insurance Database, an administrative database of social medical reimbursement activities for the urban population in Beijing, China. Ten percent of patients diagnosed with MI from January 1 to December 31, 2012 were randomly selected and their first hospitalization was considered as the index event. Their hospital utilization after the index event was extracted till September 30, 2013. Rehospitalization was defined as an event of hospital admission due to the same diagnosis and with a time interval of at least 14 days from the most recent admission. The healthcare cost of patients was analyzed, including inpatient cost and outpatient cost. Patients' demographic characteristics, co-morbidities, and length of hospital stay were also collected from the database. RESULTS: Of the 1235 MI patients identified, 335 (mean age of 66.14 +/- 15.04 years; 84.18% males) had rehospitalization. The rate of MI recurrence was 27.13%. The annual healthcare expense was significantly higher for MI patients with rehospitalization compared to MI patients without rehospitalization (99,920.43 +/ 84,113.52 CNY vs. 58,877.89 +/- 93,942.90 CNY; P < 0.001). The significant positive predictors of incurring healthcare expenditure were male gender, age 45 years old or more, length of stay at first hospital admission, whether having rehospitalization (yes/no), co-morbidity (heart failure and diabetes), and admission to a tertiary hospital at first hospital admission. CONCLUSION: There was a high risk of MI recurrence for patients in Beijing. The annual healthcare cost of MI patients with rehospitalization was significantly higher than MI patients without rehospitalization. Male patients of 45 years old or more with heart failure and diabetes are likely to incur higher healthcare expenditure. PMID- 27864669 TI - Subaxial cervical spine trauma. AB - Subaxial cervical spine trauma is common and an often missed diagnosis. Accurate and efficient diagnosis and management is necessary to avoid devastating complications such as spinal cord injury. Several classification schemes have been devised to help categorize fractures of the subaxial spine and define treatment algorithms. The Subaxial Cervical Spine Injury Classification System (SLIC) is widely used and evaluates not only fracture morphology but also considers ligamentous injury and neurological status in surgical decision making. However, interobserver reliability is poor, which proves to be the defining pitfall of this tool. More modern classification systems have been developed, which aim to improve the interobserver reliability; however, further large-scale studies are needed for more definitive evaluation. Overall, treatment of subaxial cervical spine injuries should include a protocol with initial trauma evaluation, leading to expedient operative intervention if indicated. Surgical techniques include both anterior and posterior approaches to the cervical spine depending on fracture classification. PMID- 27864668 TI - Unproven Therapies for Diabetes and Their Implications. AB - Diabetes is a chronic disease and is one of the leading causes of morbidity and mortality worldwide. Being an ancient disease, many individuals follow complementary and alternative medicinal (CAM) therapies for either the cure or prevention of the disease. The popularity of these practices among the general public is in no way a testimony to their safety and efficacy. Due to the possibility of undesirable interactions with conventional medicines, it is imperative that patients are asked about CAM use during patient assessment. Patient- and physician-targeted awareness programs on various aspects of CAM use must be initiated to create a better understanding of evidence-based use of these practices. In addition, there should be guidelines in place based on clinical trial outcomes, and stricter regulations need to be enforced on CAM practices to ensure their safety and effectiveness. PMID- 27864670 TI - Relationship Between Vitamin D Deficiency and the Components of Metabolic Syndrome in Patients with Morbid Obesity, Before and 1 Year After Laparoscopic Roux-en-Y Gastric Bypass or Sleeve Gastrectomy. AB - BACKGROUND: Vitamin D deficiency (VDD) is associated with obesity and metabolic syndrome (MS). After bariatric surgery (BS), high rates of VDD often persist and some patients are refractory to the resolution of comorbidities. The aim of the present study is to analyse the relationship between the levels of vitamin D and the persistence of MS components at 12 months after BS, according to the surgical technique used. METHODS: We performed a retrospective study of 46 patients undergoing BS: 23 underwent laparoscopic Roux-en-Y gastric bypass (LRYGBP) and 23 laparoscopic sleeve gastrectomy (LSG). These patients had an average BMI of 45 kg/m2 (34-63). Levels of vitamin D were classified as deficient (<20 ng/dl), insufficient (20-30 ng/dl) or normal (>30 ng/dl) and analysed in relation to the components of MS (high blood pressure (HBP), dyslipidaemia (DL) and type 2 diabetes mellitus (T2DM) preoperatively and 12 months after surgery. RESULTS: VDD was observed in 77% of the patients prior to surgery. There were no significant associations between predisposing factors and baseline vitamin D. After surgery, plasma levels of vitamin D increased in both groups, but only 18% of the patients achieved normal values. Both groups had achieved significant improvements in MS components. Thus, 63% of all the patients achieved complete resolution of HBP, 54% that of DL and 77% that of T2DM. Moreover, MS was present in 11% of the patients, compared to 63% at baseline, and the MS resolution rate was 83%, with no significant differences between LRYGBP and LSG. CONCLUSIONS: There is a relationship between VDD and persistence of MS, and particularly so with T2DM. VDD could represent a predictor of MS persistence at 12 months after surgery. PMID- 27864671 TI - Effects of polymer-based, silver nanoparticle-coated silicone splints on the nasal mucosa of rats. AB - Infection is a serious complication after nasal packing that otolaryngologists seek to avoid. The aim of this study is to investigate the use of silver (Ag) nanoparticle, which serves as antimicrobial agents, with nasal tampons. The study design is an experimental animal model and the setting is tertiary referral center. Twenty-four rats were randomized into the following four groups: (1) control group (n = 6); (2) silicone nasal splint (SNS) group (n = 6); (3) polypropylene-grafted polyethylene glycol (PP-g-PEG) amphiphilic graft copolymer coated SNS group (n = 6); and (4) Ag nanoparticle-embedded PP-g-PEG (Ag-PP-g PEG) amphiphilic graft copolymer-coated SNS group (n = 6). These tampons were applied to rats for 48 h, after which they were removed in a sterile manner, and the rats were sacrificed. The nasal septa of the rats were excised, and assessments of tissue changes in the nasal mucosa were compared among the groups. The removed tampons were microbiologically examined, and quantitative analyses were made. When the groups were compared microbiologically, there were no significant differences in bacterial colonization rates of coagulase-negative Staphylococcus spp. among the three groups (p = 0.519), but there was a statistically significant difference among bacterial colonization rates of Heamophilus parainfluenzae and Corynebacterium spp. (p = 0.018, p = 0.004). We found that H. parainfluenzae grew less robustly in the Ag-PP-g-PEG than the PP-g PEG group (p = 0.017). However, we found no significant difference between the Ag PP-g-PEG and SNS groups, or between the SNS and PP-g-PEG groups. The growth of Corynebacterium spp. did not differ significantly between the Ag-PP-g-PEG and SNS groups (p = 1.000). When Group 4 was compared with Group 2, the former showed less inflammation. Compared with other tampons, Ag-PP-g-PEG amphiphilic graft copolymer-coated silicone nasal tampons caused less microbiological colonization and inflammation. Therefore, the use of these tampons may prevent secondary infections and reduce the risk of developing complications by minimizing tissue damage. PMID- 27864672 TI - Rhinophototherapy in persistent allergic rhinitis. AB - Previous published results have revealed that Rhinolight(r) intranasal phototherapy is safe and effective in intermittent allergic rhinitis. The present objective was to assess whether phototherapy is also safe and effective in persistent allergic rhinitis. Thirty-four patients with persistent allergic rhinitis were randomized into two groups; twenty-five subjects completed the study. The Rhinolight(r) group was treated with a combination of UV-B, UV-A, and high-intensity visible light, while the placebo group received low-intensity visible white light intranasal phototherapy on a total of 13 occasions in 6 weeks. The assessment was based on the diary of symptoms, nasal inspiratory peak flow, quantitative smell threshold, mucociliary transport function, and ICAM-1 expression of the epithelial cells. All nasal symptom scores and nasal inspiratory peak flow measurements improved significantly in the Rhinolight(r) group relative to the placebo group and this finding persisted after 4 weeks of follow-up. The smell and mucociliary functions did not change significantly in either group. The number of ICAM-1 positive cells decreased non-significantly in the Rhinolight(r) group. No severe side-effects were reported during the treatment period. These results suggest that Rhinolight(r) treatment is safe and effective in persistent allergic rhinitis. PMID- 27864673 TI - Proteomic analysis of differentially expressed proteins in the two developmental stages of Ichthyophthirius multifiliis. AB - Ichthyophthirius is a severe disease of farmed freshwater fish caused by the parasitic ciliate Ichthyophthirius multifiliis (Ich). This disease can lead to considerable economic loss, but the protein profiles in different developmental stages of the parasite remain unknown. In the present study, proteins from trophonts and theronts of Ich were identified by isobaric tags for relative and absolute quantitation (iTRAQ). A total of 2300 proteins were identified in the two developmental stages, of which 1520 proteins were differentially expressed. Among them, 84 proteins were uniquely expressed in the theronts stage, while 656 proteins were expressed only in trophonts. The differentially expressed proteins were catalogued (assorted) to various functions of Ich life cycle, including biological process, cellular component, and molecular function that occur at distinct stages. Using a 1.5-fold change in expression as a physiologically significant benchmark, a lot of differentially expressed proteins were reliably quantified by iTRAQ analysis. Two hundred forty upregulated and 57 downregulated proteins in the trophonts stage were identified as compared with theronts. The identified proteins were involved in various functions of the I. multifiliis life cycle, including binding, catalytic activity, structural molecule activity, and transporter activity. Further investigation of the transcriptional levels of periplasmic immunogenic protein, transketolase, zinc finger, isocitrate dehydrogenase, etc., from the different protein profiles using quantitative RT PCR showed identical results to the iTRAQ analysis. This work provides an effective resource to further our understanding of Ich biology, and lays the groundwork for the identification of potential drug targets and vaccines candidates for the control of this devastating fish pathogen. PMID- 27864674 TI - Interactions between Giardia duodenalis Sm proteins and their association with spliceosomal snRNAs. AB - Giardia duodenalis is a parasite that colonises the intestines of humans and other vertebrates, causing diarrhoea and poor nutrient absorption. G. duodenalis is sometimes considered an early diverging eukaryote, and its genome exhibits simplified molecular machinery for many cellular processes, which makes it an interesting model to study. The spliceosome, one of the most complex molecular machines in the eukaryotic cell, is responsible for intron excision and exon splicing. Just over a decade ago, it was believed that the G. duodenalis genome did not contain introns or undergo splicing. Research now shows that this speculation was incorrect and that uncommon mechanisms, such as trans-splicing from different genes, occur. In silico studies of the parasite suggest the possibility of a simplified spliceosome and spliceosomal small nuclear RNA (snRNA) candidates; however, none of these components have been identified in vivo. Here, we developed a strategy to study the in vivo expression, interactions and localisation of these spliceosome components in G. duodenalis. Haemagglutinin (HA)-tagged SmB and SmD3 proteins, which form part of the spliceosome core, were overexpressed in the parasite. Immunoprecipitation with anti-HA revealed that the SmD3 protein is associated with the proteins SmB, SmD1, SmD2, SmE and SmF in vivo. In addition, the U1, U2 and U4 snRNA candidates reported previously were found in the protein complex, suggesting that these molecules are spliceosomal snRNAs of G. duodenalis and they contained a 2,2,7-trimethylguanosine modification at their 5' end. Our data indicate that the actively expressed spliceosome in G. duodenalis is similar to that of highly evolved protists and higher animals. PMID- 27864675 TI - Drugs Affecting TRP Channels. AB - Chronic obstructive pulmonary disease (COPD) and asthma are both common respiratory diseases that are associated with airflow reduction/obstruction and pulmonary inflammation. Whilst drug therapies offer adequate symptom control for many mild to moderate asthmatic patients, severe asthmatics and COPD patients symptoms are often not controlled, and in these cases, irreversible structural damage occurs with disease progression over time. Transient receptor potential (TRP) channels, in particular TRPV1, TRPA1, TRPV4 and TRPM8, have been implicated with roles in the regulation of inflammation and autonomic nervous control of the lungs. Evidence suggests that inflammation elevates levels of activators and sensitisers of TRP channels and additionally that TRP channel expression may be increased, resulting in excessive channel activation. The enhanced activity of these channels is thought to then play a key role in the propagation and maintenance of the inflammatory disease state and neuronal symptoms such as bronchoconstriction and cough. For TRPM8 the evidence is less clear, but as with TRPV1, TRPA1 and TRPV4, antagonists are being developed by multiple companies for indications including asthma and COPD, which will help in elucidating their role in respiratory disease. PMID- 27864676 TI - Anti-IgE and Biologic Approaches for the Treatment of Asthma. AB - Current asthma treatments are effective for the majority of patients with mild-to moderate disease. However, in those with more severe refractory asthma, agents other than inhaled corticosteroids and beta-agonists are needed both to better manage this group of patients and to avoid the side effects of high-dose corticosteroids and the social and personal hardship endured. Several biological pathways have been targeted over the last 20 years, and this research has resulted in pharmacological approaches to attempt to better treat patients with severe refractory asthma. The flagship of the biologics, the anti-IgE monoclonal antibody, omalizumab, has proven efficacious in selected subgroups of asthma patients. Tailoring asthma treatments to suit specific subtypes of asthma patients is in keeping with ideals of personalized medicine. Research in the complex interplay of allergens, epithelial host defenses, cytokines, and innate and adaptive immunity interactions has allowed better understanding of the mechanics of allergy and inflammation in asthma. As a result, new biologic treatments have been developed that target several different phenotypes and endotypes in asthma. As knowledge of the efficacy of these biological agents in asthma emerges, as well as the type of patients in whom they are most beneficial, the movement toward personalized asthma treatment will follow. PMID- 27864677 TI - Glucocorticoids. AB - The most effective anti-inflammatory drugs used to treat patients with airways disease are topical glucocorticosteroids (GCs). These act on virtually all cells within the airway to suppress airway inflammation or prevent the recruitment of inflammatory cells into the airway. They also have profound effects on airway structural cells to reverse the effects of disease on their function. Glucorticosteroids act via specific receptors-the glucocorticosteroid receptor (GR)-which are a member of the nuclear receptor family. As such, many of the important actions of GCs are to modulate gene transcription through a number of distinct and complementary mechanisms. Targets genes include most inflammatory mediators such as chemokines, cytokines, growth factors and their receptors. GCs delivered by the inhaled route are very effective for most patients and have few systemic side effects. However, in some patients, even high doses of topical or even systemic GCs fail to control their disease. A number of mechanisms relating to inflammation have been reported to be responsible for the failure of these patients to respond correctly to GCs and these provide insight into GC actions within the airways. In these patients, the side-effect profile of GCs prevent continued use of high doses and new drugs are needed for these patients. Targeting the defective pathways associated with GC function in these patients may also reactivate GC responsiveness. PMID- 27864678 TI - Polymorphic Variation in FFA Receptors: Functions and Consequences. AB - Overfeeding of fat can cause various metabolic disorders including obesity and type 2 diabetes (T2D). Diet provided free fatty acids (FFAs) are not only essential nutrients, but they are also recognized as signaling molecules, which stimulate various important biological functions. Recently, several G protein coupled receptors (GPCRs), including FFA1-4, have been identified as receptors of FFAs by various physiological and pharmacological studies. FFAs exert physiological functions through these FFA receptors (FFARs) depending on carbon chain length and degree of unsaturation. Functional analyses have revealed that several important metabolic processes, such as peptide hormone secretion, cell maturation and nerve activities, are regulated by FFARs and thereby FFARs contribute to the energy homeostasis through these physiological functions. Hence, FFARs are expected to be promising pharmacological targets for metabolic disorders since imbalances in energy homeostasis lead to metabolic disorders. In human, it is established that different responses of individuals to endogenous ligands and chemical drugs may be due to differences in the ability of such ligands to activate nucleotide polymorphic variants of receptors. However, the clear links between genetic variations that are involved in metabolic disorders and polymorphisms receptors have been relatively difficult to assess. In this review, I summarize current literature describing physiological functions of FFARs and genetic variations of those receptors to discuss the potential of FFARs as drug targets for metabolic disorders. PMID- 27864679 TI - [Prescription of antimalarial drugs in the pediatric ward of the National Hospital of Lamorde, in Niamey]. AB - In Niger, malaria is a major public health problem, due to the high number of deaths that are attributable to it and because of its heavy weight and socioeconomic status. The objective of this study was to contribute to the inventory of medical practices to rationalize the use of medicines and minimize the resistance phenomenon. This is a prospective study, which took place from May 1 to July 31, 2009, in the pediatric ward of the National Hospital of Lamorde. It concerned children aged from 0 to 14 years hospitalized and having received one or more antimalarial drugs during at least 24 h. During the 3 months of the study, 1,248 children had been admitted in the department. Among them, 881 children received antimalarial treatment, i.e., 70.5% with prescriptions. Malaria was confirmed by microscopy in 410 children, i.e., 46.5% of the sick children received antimalarial treatment. Prescription control was deemed noncompliant in 258 patients, i.e., 29.3% of the total. Treatments based on microscopic diagnosis are one of the strategies that will help to streamline the use of antimalarial drugs to improve their effectiveness and efficiency and also to reduce the risk of emergence of resistance. PMID- 27864680 TI - The transitional vertebra and sacroiliac joint dysfunction association. AB - PURPOSE: The purpose of this study was to investigate whether transitional vertebrae contribute to the development of sacroiliac joint dysfunction. The prevalence of transitional vertebrae in patients with lumbar pain was determined during this process, and the prevalence of sacroiliac dysfunction was compared between patients with low back pain and healthy volunteers. METHODS: 700 subjects, 500 with low back pain and 200 healthy volunteers were included in this study. Five tests were applied to all participants to determine sacroiliac joint dysfunction. Positivity in three tests was regarded as dysfunction. Lateral lumbosacral and Ferguson angle X-rays were taken from the group with low back pain. The patient was evaluated a specialist radiologist in terms of presence or absence of transitional vertebrae, and if identified, what type. RESULTS: Transitional vertebrae were determined in 26% (n = 130) of the patients with low back pain. Type 1a was determined in 20%, type 1b in 10%, type 2a in 26.9%, type 2b in 30.8%, type 3a in 0.8%, type 3b in 4.6% and type 4 in 6.9%. The prevalence of sacroiliac joint dysfunction in the low back pain group (15.4%) and the prevalence of sacroiliac joint dysfunction in cases of transitional vertebra (28.5%) were significantly higher compared to the control groups (p < 0.05). CONCLUSION: Sacroiliac joint dysfunction must be considered when investigating the etiology of low back pain. Particular sensitivity must be exhibited on this subject in patients with transitional vertebrae. PMID- 27864681 TI - Are sagittal spinopelvic radiographic parameters significantly associated with quality of life of adult spinal deformity patients? Multivariate linear regression analyses for pre-operative and short-term post-operative health related quality of life. AB - PURPOSE: To evaluate the association in ASD patients between spinopelvic sagittal parameters and health-related quality of life (HRQL), adjusted for demographic and surgical variables. METHODS: We constructed multiple linear regression models to investigate pre-operative (PreOp) and 6-month post-operative (PostOp) HRQL as assessed by the Oswestry Disability Index (ODI), with sagittal parameters as independent variables adjusted for potential confounders, such as age, sex, body mass index, past spine surgery, types of surgical treatment, and complications. RESULTS: A total of 204 patients (164 women, 40 men, mean age 53.1 years) were included in this study. In multivariate models for PreOp ODI, no significant association was observed between PreOp HRQL and sagittal parameters when adjusted for covariates. Interestingly, age, sex, American Society of Anesthesiologists score, and body mass index were still significantly associated with PreOp HRQL. In contrast to PreOp analysis, there was a significant association between PostOp worse HRQL (higher ODI) and positive T1 sagittal tilt (T1ST: the angle between a line drawn from the center of the femoral head axis to the midpoint of the T1 vertebral body and a vertical line). Sagittal vertical axis had a weaker association with HRQL than T1ST. PostOp ASD patients lose flexibility in the fused spinal segment, and might be predisposed to symptoms related to spinal sagittal malalignment due to limited compensatory ability to maintain a balanced standing posture. Interestingly, in patients with sagittal imbalance, low pelvic tilt (PT) of <20 was significantly associated with PostOp worse HRQL; this suggests that lack of pelvic compensatory ability can cause significant disability after ASD surgery. CONCLUSIONS: Pre-operatively, the impact of sagittal parameters on HRQL was not as strong as reported in the previous studies that used univariate analysis. Not only sagittal parameters, but also the pre operative patient's general condition should be carefully reviewed when considering indication for ASD surgery. In contrast, although this is a short term follow-up study, PostOp HRQL was significantly associated with sagittal parameters. When ASD surgery has been indicated, restoration of spinal sagittal alignment is certainly important for PostOp HRQL. PMID- 27864682 TI - Posterior implant removal in patients with thoracolumbar spine fractures: long term results. AB - PURPOSE: Debate remains whether posterior implants after thoracolumbar spine fracture stabilization should be removed routinely or only in symptomatic cases. Implant related problems might be resolved or even prevented but removal includes secondary risks. The aim of this study was to evaluate safety, patient satisfaction and quality of life after implant removal. METHODS: A retrospective cohort study was performed concerning 102 patients that underwent posterior implant removal after stabilization of a traumatic thoracolumbar fracture between 2003 and 2015. Patients were invited to fill in SF-36, EQ-5D and RMDQ questionnaires after implant removal. Additionally, questions concerning satisfaction were presented. Cobb angles before and after removal were measured and in- or decrease of symptoms was gathered from hospital charts. RESULTS: Mean age at removal was 38 years and time from implant removal to questionnaire was approximately 7 years, 62 patients filled in the questionnaires. Complications were present in 8% and quality of life was reported as fairly good. Patients had less back pain related disability compared to chronic low back pain patients. After removal there was a kyphosis increase which did not correspond with worsened clinical outcome. Removal decreased most symptoms and even asymptomatic patients reported benefit in most cases. An increase of symptoms after removal was reported in 11% of patients. CONCLUSION: Implant removal is generally safe and provides high patient satisfaction. Overall, patients have a fairly good quality of life. Most symptomatic and asymptomatic patients report benefit from removal. However, low risks of complications and increase of symptoms have to be weighted for individual patients. PMID- 27864683 TI - Cervical sagittal alignment variations in adolescent idiopathic scoliosis patients treated with thoraco-lumbo-sacral orthosis. AB - PURPOSE: Thoraco-lumbo-sacral orthosis (TLSO) is an effective treatment in adolescent idiopathic scoliosis (AIS) patients, but cervical sagittal alignment (CSA) variations after bracing have never been evaluated. The purpose of this study was to assess changes in CSA before, during and after TLSO treatment, and to determine whether patients developed cervical pain. METHODS: This was a retrospective study in 38 AIS patients (33 females; mean age 10.8 years) treated by TLSO. Patients were Risser 0 (n = 34) or 1 (n = 4). Major curve deformity (MC) in the coronal plane and cervical (CSA), thoracic (TSA) and lumbar (LSA) sagittal alignment were evaluated radiographically at start of treatment (t 0), after 1 month of brace treatment (t 1), and 1 year after end of treatment (t 2). Cervical pain was evaluated at t 2 using a visual analogue scale (VAS). RESULTS: The TLSO was worn for an average of 4.6 years. Mean CSA, TSA and LSA were significantly lower at t 2 than at t 0: 0 +/- 2.5 degrees vs. 9.4 +/- 2.3 degrees , 24.1 +/- 2.6 degrees vs. 29.3 +/- 2.4 degrees and 5 +/- 1.9 degrees vs. 44.2 +/- 2.5 degrees , respectively (p < 0.05). CSA and TSA showed moderate-good correlation (r = 0.57). CSA was normolordotic in 1/38 patients at t 2 compared to 18/38 at t 0 (p < 0.05). MC did not progress during treatment (p > 0.8). VAS score was 0 in all patients. CONCLUSIONS: The TLSO can control progression of the deformity in the frontal plane, but it influences CSA, TSA and LSA. In particular, it decreases cervical spine lordosis, with reduction maintained 1 year after the end of treatment. Numerical differences, although statistically significant, were not clinically relevant. PMID- 27864685 TI - Regulation of autophagy by Ca2. AB - Autophagy is an evolutionarily conserved lysosomal catabolic process used as an internal engine in response to nutrient starvation or metabolic stress. A number of protein complexes and an intricate network of stress signaling cascades impinge on the regulation of autophagy; the mammalian target of rapamycin serves as a canonical player. Ca2+, as a major intracellular second messenger, regulates multiple physiological and pathological functions. Although significant information is already well-established about the role of Ca2+ in apoptosis, its role in autophagy has been recently determined and is poorly understood. Intracellular Ca2+ positively and negatively affects autophagy. In this review, evidence for both views and the interplay of Ca2+ between autophagy and apoptosis induction are discussed. The available data revealed the bidirectional role of Ca2+ in the regulation of autophagy. Moreover, the data also indicated that this role probably depends on the context of time, space, Ca2+ source, and cell state, thus either preventing or enhancing autophagy. PMID- 27864686 TI - Zoledronic Acid (Reclast(r), Aclasta(r)): A Review in Osteoporosis. AB - Zoledronic acid (Reclast(r), Aclasta(r)) is an intravenous, highly potent aminobisphosphonate approved worldwide, including in the USA, EU and Japan for use in patients with primary or secondary osteoporosis or low bone mass (approved indications vary between countries). Its high affinity to and long half-life in bone, and long duration of action, allow for once-yearly administration, which has the potential to improve adherence to therapy. Zoledronic acid once yearly for up to 3 years improved bone mineral density (BMD) at several skeletal sites, reduced fracture risk and bone turnover, and/or preserved bone structure and mass relative to placebo in clinical studies in patients with primary or secondary osteoporosis. While additional benefits were seen when treatment was continued for up to 6 years, as evidenced by a reduced risk of vertebral fractures and higher BMD relative to 3 years' therapy, there was minimal advantage of treatment beyond 6 years. Therefore, in patients with low fracture risk, treatment discontinuation should be considered after approximately 5 years' therapy. Zoledronic acid administered annually or once in 2 years was also effective in preventing bone loss in patients with low bone mass. Zoledronic acid was generally well tolerated, with the most common adverse events (AEs) being transient, mild-to-moderate post-infusion symptoms, which decreased with subsequent infusions. To conclude, zoledronic acid once yearly is an effective and generally well tolerated treatment option for patients with osteoporosis. PMID- 27864684 TI - Network mechanisms of hippocampal laterality, place coding, and goal-directed navigation. AB - The hippocampus and associated structures are responsible for episodic memory in humans. In rodents, the most prominent behavioral correlate of hippocampal neural activity is place coding, which is thought to underlie spatial navigation. While episodic memory is considered to be unique to humans in a restricted context, it has been proposed that the same neural circuitry and algorithms that enable spatial coding and navigation also support episodic memory. Here we review the recent progress in neural circuit mechanisms of hippocampal activity by introducing several topics: (1) cooperation and specialization of the bilateral hippocampi, (2) the role of synaptic plasticity in gamma phase-locking of spikes and place cell formation, (3) impaired goal-related activity and oscillations in a mouse model of mental disorders, and (4) a prefrontal-thalamo-hippocampal circuit for goal-directed spatial navigation. PMID- 27864687 TI - Omega-3 fatty acid EPA improves regenerative capacity of mouse skeletal muscle cells exposed to saturated fat and inflammation. AB - Sarcopenic obesity is characterised by high fat mass, low muscle mass and an elevated inflammatory environmental milieu. We therefore investigated the effects of elevated inflammatory cytokine TNF-alpha (aging/obesity) and saturated fatty acid, palmitate (obesity) on skeletal muscle cells in the presence/absence of EPA, a-3 polyunsaturated fatty acid with proposed anti-inflammatory, anti-obesity activities. In the present study we show that palmitate was lipotoxic, inducing high levels of cell death and blocking myotube formation. Cell death under these conditions was associated with increased caspase activity, suppression of differentiation, reductions in both creatine kinase activity and gene expression of myogenic factors; IGF-II, IGFBP-5, MyoD and myogenin. However, inhibition of caspase activity via administration of Z-VDVAD-FMK (caspase-2), Z-DEVD-FMK (caspase-3) and ZIETD-KMK (caspase 8) was without effect on cell death. By contrast, lipotoxicity associated with elevated palmitate was reduced with the MEK inhibitor PD98059, indicating palmitate induced cell death was MAPK mediated. These lipotoxic conditions were further exacerbated in the presence of inflammation via TNF-alpha co-administration. Addition of EPA under cytotoxic stress (TNF-alpha) was shown to partially rescue differentiation with enhanced myotube formation being associated with increased MyoD, myogenin, IGF-II and IGFBP-5 expression. EPA had little impact on the cell death phenotype observed in lipotoxic conditions but did show benefit in restoring differentiation under lipotoxic plus cytotoxic conditions. Under these conditions Id3 (inhibitor of differentiation) gene expression was inversely linked with survival rates, potentially indicating a novel role of EPA and Id3 in the regulation of apoptosis in lipotoxic/cytotoxic conditions. Additionally, signalling studies indicated the combination of lipo- and cyto-toxic effects on the muscle cells acted through ceramide, JNK and MAPK pathways and blocking these pathways using PD98059 (MEK inhibitor) and Fumonisin B1 (ceramide inhibitor) significantly reduced levels of cell death. These findings highlight novel pathways associated with in vitro models of lipotoxicity (palmitate-mediated) and cytotoxicity (inflammatory cytokine mediated) in the potential targeting of molecular modulators of sarcopenic obesity. PMID- 27864688 TI - Detection of mutations in the BRAF gene in patients with KIT and PDGFRA wild-type gastrointestinal stromal tumors. AB - Gastrointestinal stromal tumors (GISTs) are characterized by mutations in exons 9, 11, 13, and 17 of KIT or exons 12, 14, and 18 of PDGFRA gene. However, approximately 10 to 15 % of GISTs lack the mutations in KIT and PDGFRA, and these are referred to as wild-type GISTs which are less sensitive to tyrosine-kinase inhibitors. The aim of this study was to detect BRAF mutations in patients with wild-type GISTs. We applied a sensitive allele-specific PCR, which was optimized using the V600E mutation-harboring cell line RKO, followed by verification of the results by dideoxy sequencing. We selected 149 GIST patients without detectable mutations in KIT and PDGFRA genes from the Slovak national GIST register and analyzed biopsy specimens for the presence of BRAF mutations in exon 15. We identified nine patients with the V600E mutation. The BRAF-driven GISTs were primary gastric (n = 3), small intestinal (n = 3), colon (n = 1), and of uncertain origin (n = 1). We also included a liver metastasis of a patient with a simultaneous KIT exon 11-mutated intra-abdominal metastasis. We conclude that genome analysis of wild-type GISTs for mutations should include the BRAF gene, as its mutation status contributes to understanding of pathogenesis and might be important for decisions on therapy. PMID- 27864689 TI - Epstein-Barr virus infection and gene promoter hypermethylation in rheumatoid arthritis patients with methotrexate-associated B cell lymphoproliferative disorders. AB - We analyzed CpG-island hypermethylation status in 12 genes of paraffin-embedded tissues from 38 rheumatoid arthritis (RA) patients with methotrexate (MTX) associated large B cell lymphoproliferative disorder (BLPD), 11 RA patients with non-MTX-associated BLPD (non-MTX-BLPD), 22 controls with diffuse large B cell lymphoma (DLBCL), and 10 controls with Epstein-Barr virus (EBV)+ DLBCL. Among them, tumor cells from EBV+ MTX-BLPD patients and control EBV+ DLBCL patients had significantly lower median incidence of CpG island methylator phenotype (CIMP) than those from non-MTX-BLPD and control DLBCL groups (2.3 and 1.7 vs. 4.3 and 4.4; P < 0.01 for each). In the MTX-BLPD group, EBV+ patients showed lower median CIMP than EBV- patients (2.3 vs. 3.2); they also had significantly lower hypermethylation incidence in four apoptosis-related genes, especially death associated protein kinase (14 vs. 55 %), higher incidence of massive tumor necrosis (86 vs. 27 %), and lower BCL2 protein expression (19 vs. 86 %) than did the control DLBCL group (P < 0.01 for all). In all clinical stages, EBV+ MTX-BLPD patients had better prognoses than the EBV- MTX-BLPD (P = 0.011), non-MTX-BLPD (P = 0.002), and control DLBCL groups (P = 0.015). MTX-BLPD patients without hypermethylated RAS-associated domain family-1A (RASSF1A) or O 6 -methyl guanine DNA methyltransferase (MGMT) had significantly better prognosis than those with hypermethylation of those genes (P = 0.033). We conclude that in RA patients with MTX-BLPD, EBV infection is associated with a lower incidence of CIMP, apoptosis related gene hypermethylation, and BCL2 expression, which can induce tumor regression by MTX withdrawal and lead to better prognoses. PMID- 27864690 TI - Infrequent mismatch repair protein loss in gallbladder cancer patients in Japan. PMID- 27864691 TI - Characterization of TG2 and TG1-TG2 double knock-out mouse epidermis. AB - Transglutaminases (TGs) are a family of enzymes that catalyse the formation of isopeptide bonds between the gamma-carboxamide groups of glutamine residues and the epsilon-amino groups of lysine residues leading to cross-linking reactions among proteins. Four members, TG1, TG2, TG3, and TG5, of the nine mammalian enzymes are expressed in the skin. TG1, TG3 and TG5 crosslinking properties are fundamental for cornified envelope assembly. In contrast, the role of TG2 in keratinization has never been studied at biochemical level in vivo. In this study, taking advantage of the TG2 knock-out (KO) and TG1 heterozygous mice, we generated and characterized the epidermis of TG1-TG2 double knock-out (DKO) mice. We performed morphological analysis of the epidermis and evaluation of the expression of differentiation markers. In addition, we performed analysis of the amino acid composition from isolated corneocytes. We found a significant change in amino acid composition in TG1KO cornified cell envelopes (CEs) while TG2KO amino acid composition was similar to wild-type CEs. Our results confirm a key role of TG1 in skin differentiation and CE assembly and demonstrate that TG2 is not essential for CE assembly and skin formation. PMID- 27864692 TI - Transglutaminase 2 is involved in amyloid-beta1-42-induced pro-inflammatory activation via AP1/JNK signalling pathways in THP-1 monocytes. AB - Deposition of amyloid-beta (Abeta) peptides has been shown to induce the release of inflammatory factors by activated microglia and brain infiltrating monocytes/macrophages. Interestingly, the enzyme transglutaminase 2 (TG2) has been shown to play a key role in neuroinflammation and regulation of transcription factors involved in immunomodulation. In this study, we aimed to better elucidate the mechanisms underlying TG2 involvement in the pro inflammatory signaling pathway activated by fibrillar Abeta1-42 in THP-1 monocytes. Cell exposure for 24 h to 500 nM Abeta1-42, induced the up-regulation of CD14, CD16, and TG2, suggesting THP-1 cell functional activation. Abeta1-42 also increased the production of reactive oxygen species, that was reduced by the pre-incubation with genistein (25 ug/ml), a soy isoflavone with antioxidant properties. Moreover, IL-1beta and IL-6 mRNA transcript and protein levels were eightfold increased in Abeta1-42-treated THP-1 monocytes. Interestingly, these effects were significantly reduced by R283 (~45%), a specific inhibitor of TG activity, and genistein (~40%). Abeta1-42 induced the activation of p54/p46 JNK, as well as ERK 1/2 at a lower extent. The inactivation of ERK1/2 signalling pathway, but not JNK, by either genistein or U0126, a MEK1/2 inhibitor, was not able to blunt Abeta1-42-induced TG2 up-regulation, that, instead, was significantly reduced by R283. Abeta1-42 also induced AP-1 activation that was not significantly affected by genistein or U0126, while was strongly reduced by R283. Our preliminary findings first suggest that TG2 up-regulation is involved in the pro-inflammatory activation of THP-1 monocytes induced by Abeta1-42 via AP1/JNK signalling pathways. PMID- 27864693 TI - Synthesis and biological evaluation of a novel Amadori compound. AB - Here, we report the synthesis, purification, ESI MS and NMR characterization, as well as the SEM analysis of a fructosyl thiophenyl-substituted triazolyl-thione L alanine (denominated Fru-L-TTA). This novel fructosyl derivative was obtained by solution synthesis using the Amadori reaction, in analogy to other natural fructosyl-amino acids, and fully characterized. In particular, we report an accurate NMR/MS/SEM characterization of Fru-L-TTA alongside some biological properties, and investigated to compare the properties of the artificial derivative of this work with the natural counterparts. In particular, Fru-L-TTA shares with natural fructosyl-amino acids the possibility to inhibit the colony formation of prostate cancer cells and additionally decreases their migration. PMID- 27864695 TI - Adjuvant Chemotherapy Improves Overall Survival of Rectal Cancer Patients Treated with Neoadjuvant Chemoradiotherapy Regardless of Pathologic Nodal Status. AB - BACKGROUND: After neoadjuvant chemoradiotherapy for rectal cancer, the interpretation of surgical pathology poses difficulties in deciding the need for adjuvant chemotherapy (AC). The aim of this study was to determine whether there is a survival benefit to providing AC in patients with node-negative disease on surgical pathology. METHODS: Patients with clinical stage II and III rectal adenocarcinoma who received neoadjuvant chemoradiation and definitive surgical resection from 2006 to 2012 were identified in the National Cancer Data Base. Patients were stratified by both receipt of AC and nodal status on surgical pathology. Propensity score matching was used to form two cohorts (AC vs. no AC) with otherwise balanced characteristics. Overall survival was compared by Kaplan Meier analysis, and multivariable survival analysis was performed by a Weibull model. RESULTS: After propensity score matching, 4172 patients who received adjuvant therapy (2645 node negative and 1527 node positive) and 4172 patients who did not receive adjuvant therapy (3063 node negative and 1109 node positive) were identified. Among patients with either node-negative or node-positive disease, the use of AC was associated with a significant improvement in overall survival. These results were also observed after using a multivariable survival model to control for clinical stage as well as patient- and facility-related characteristics. CONCLUSIONS: In both patients with node-negative and node positive disease on surgical pathology, the use of AC is associated with a survival benefit. In the absence of contraindications, AC should continue to be routinely recommended to patients after neoadjuvant chemoradiotherapy for locally advanced rectal cancers. PMID- 27864694 TI - The Effect on Surgical Complications of Bevacizumab Added to Neoadjuvant Chemotherapy for Breast Cancer: NRG Oncology/NSABP Protocol B-40. AB - BACKGROUND: NRG Oncology/NSABP trial B-40 tested the impact of adding bevacizumab (bev) to neoadjuvant chemotherapy for operable breast cancer. Secondary endpoints included rates of surgical complications after surgery in patients who did or did not receive bev. METHODS: A total of 1206 women with HER2-negative operable breast cancer were randomly assigned to receive one of three different docetaxel plus-anthracycline-based regimens, without or with bev (15 mg/kg every 3 weeks) for the first 6 of 8 cycles and for 10 doses postoperatively. Surgical complications were assessed from date of surgery through 24 months following study entry. RESULTS: Early surgical complications were significantly more frequent in the bev group (25.4 vs. 18.9%; trend test p = 0.008), but most were grade 1-2. Early noninfectious wound dehiscences were infrequent and not significantly different (5.4 vs. 3.1%; trend test p = 0.15). Long-term noninfectious wound complications were significantly higher for patients receiving bev (11.8 vs. 5.1%; trend test p = 0.0007), but the incidence of grade >=3 wound dehiscence was low in both groups (<1%). Among 193 patients undergoing expander or implant reconstructions, 19 (19.6%) of 97 in the bev-receiving group versus 10 (10.4%) of 96 in the non-bev group had grade >=3 complications (Pearson, p = 0.11). CONCLUSIONS: Overall, adding bev increased surgical complications, but most serious complications were not significantly increased. In particular, the need for surgical intervention in patients undergoing breast reconstruction with prosthetic implants was higher with bev but was not statistically significantly different. With precautions, bev can be used safely perioperatively in patients undergoing surgery for breast cancer. PMID- 27864696 TI - Generation and differentiation of induced pluripotent stem cells reveal ankylosing spondylitis risk gene expression in bone progenitors. AB - Axial spondyloarthritis (axSpA), which encompasses ankylosing spondylitis, is a complex genetic disease. Aberrant bone formation is a key feature of pathogenesis that can lead to ankylosis of the spine. Our objective is to determine, whether genes whose variants confer susceptibility to AS are expressed in bone progenitors like mesenchymal stem cells (MSCs). Since MSCs from bone marrow is difficult to obtain, we first examined, whether MSCs can be derived from induced pluripotent stem cells (iPSCs). Dermal fibroblasts of two axSpA patients and one healthy control were reprogrammed into iPSCs using a Sendai virus vector encoding pluripotency genes. Pluripotency of iPSCs was examined by embryoid body formation and by testing for stem cell specific gene and protein expression using RT-PCR and immuno fluorescence. iPSCs were differentiated into MSCs by a TGFbeta inhibitor. MSCs were characterized by flow cytometry using lineage specific antibodies and by their capacity to develop into chondrocytes, adipocytes, and osteoblasts in lineage-specific medium. RNA-seq was applied to determine genome wide gene expression patterns in MSCs, iPSCs, and blood. We show for the first time, that expression levels of several AS susceptibility genes (EDIL3, ANO6, HAPLN1, ANTXR2) involved in bone formation are significantly elevated in MSCs (2 15-fold; p <= 0.05) compared to blood or iPSCs and demonstrate that iPSC-derived MSCs can be differentiated into osteoblasts, chondrocytes, and adipocytes. We conclude, MSCs generated from patient fibroblast-derived iPSC lines are useful tools for studying functional genomics of risk genes associated with bone formation in AS pathogenesis. PMID- 27864697 TI - Characteristics of primary Sjogren's syndrome patients with IgG4 positive plasma cells infiltration in the labial salivary glands. AB - The purpose of this study was to investigate the characteristics of primary Sjogren's syndrome (pSS) patients with IgG4 positive (IgG4+) plasma cell infiltration in labial salivary glands (LSGs). Paraffin sections of LSGs from 336 pSS patients were stained with IgG4 and IgG monoclonal antibodies. According to the infiltration of IgG4+ plasma cells, patients were divided and clinical and serological characteristics were analyzed and compared. Based on the infiltration of IgG4+ plasma cells in the LSGs, patients were divided into three subgroups, low IgG4, moderate IgG4, and high IgG4 groups. A negative association between the number of infiltrated IgG4+ plasma cells and the disease characteristics was observed. We found that the higher the IgG4+ expression in plasma cells, the lower the positive rates of serum anti-SSA antibodies, anti-SSB antibodies, antinuclear antibodies (ANA), and rheumatoid factor (RF). Besides, patients from the high IgG4 group had the highest frequency of interstitial lung disease (ILD, 30.6%) and tubulointerstitial nephritis (TIN, 13.9%), but the lowest frequency of leucopenia (13.9%), thrombocytopenia (11.1%), and abnormal thyroidal function (0%). PSS patients with different IgG4+ plasma cells infiltration in the LSGs had distinctive clinical and laboratory characteristics. It may help us to further understand the role of IgG4+ plasma cells in pSS. PMID- 27864698 TI - BLK pathway-associated rs13277113 GA genotype is more frequent in SLE patients and associated with low gene expression and increased flares. AB - We aimed to evaluate the relationship between some important genetic variations and expressions of these genes in our SLE population. We also determined their association with clinical parameters. Eighty-four SLE patients (79 F, 5 M) and 105 healthy controls (98 F, 7 M) were included in the study. rs13277113, rs2736340, rs7829816, rs6983130, rs2613310, and rs704853 polymorphisms, gene expressions of Src family kinases (Blk, Hck, Lck, and Lyn), and Syk kinases (Syk, ZAP70) were studied by real-time PCR. The heterozygous genotypic pattern (GA) for rs13277113 polymorphism was more frequent in patients with SLE when compared to that in controls (48.8 vs. 31.4%, p = 0.035). Other genotype variants were similar in SLE patients and controls. In the SLE group, the heterozygous genotype for rs13277113 was significantly less frequent in active SLE patients (58.8 vs. 26.7%, p = 0.01). SLE flares according to the SELENA-SLEDAI flare index were significantly more frequent in GA (rs13277113) (70 vs. 37%) and CT (rs2736340) genotypes (66.7 vs. 35.2%) than those in other genotypes (p values <0.01). The relative expression of Blk gene was significantly decreased in the SLE group as compared to that in controls (0.52 times, 95%CI 0.19-0.85). The gene expressions of Blk and ZAP70 were significantly lower in SLE patients who had flares according to the SELENA-SLEDAI flare index when compared to those in others (p values 0.01 and 0.017). We observed more frequent heterozygous GA genotypic pattern (rs13277113) in our SLE patients compared to that in controls; and it was associated with disease flares. Blk gene expression in SLE was lower, especially in relapsing patients. PMID- 27864699 TI - An Experimental Framework for Generating Evolvable Chemical Systems in the Laboratory. AB - Most experimental work on the origin of life has focused on either characterizing the chemical synthesis of particular biochemicals and their precursors or on designing simple chemical systems that manifest life-like properties such as self propagation or adaptive evolution. Here we propose a new class of experiments, analogous to artificial ecosystem selection, where we select for spontaneously forming self-propagating chemical assemblages in the lab and then seek evidence of a response to that selection as a key indicator that life-like chemical systems have arisen. Since surfaces and surface metabolism likely played an important role in the origin of life, a key experimental challenge is to find conditions that foster nucleation and spread of chemical consortia on surfaces. We propose high-throughput screening of a diverse set of conditions in order to identify combinations of "food," energy sources, and mineral surfaces that foster the emergence of surface-associated chemical consortia that are capable of adaptive evolution. Identification of such systems would greatly advance our understanding of the emergence of self-propagating entities and the onset of adaptive evolution during the origin of life. PMID- 27864700 TI - A highly Sensitive Turn-on Fluorescent Sensor for Ba2+ Based on G-Quadruplexes. AB - A G-quadruplex-based fluorescent biosensor for highly sensitive detection of barium ion (Ba2+) was constructed for the first time. In the absence of Ba2+, the G-quadruplex-specific fluorescence ligand N-methyl mesoporphyrin IX (NMM) remained weakly fluorescent when coexisted with a single-stranded G-quadruplex sequence AGRO100. Upon addition of Ba2+, AGRO100 was folded into G-quadruplex structures with the aid of Ba2+, which bound with NMM by stacking forces and significantly enhanced its fluorescence. The maximum fluorescence intensity of NMM was increased by ca. 22-fold in response to 1 MUM Ba2+. This simple method exhibites a good linear relationship in the range of 0-600 nM with the detection limit of 4 nM. The detection method is turn-on, fast, economic, high in signal-to noise ratio and free of participation of toxic organic solvents, demonstrating its great potential for on-site and real-time Ba2+ detection. PMID- 27864701 TI - Atomistic Engineering of Chemiluminogens: Synthesis, Properties and Polymerization of 2,3-Dihydro-Pyrrolo[3,4-d]Pyridazine-1,4-Dione Scaffolds. AB - Two chemiluminescent compounds containing 2,5-di(thien-2-yl)pyrrole and pyridazine units, namely 5,7-di(thiophen-2-yl)-2,3-dihydro-1H-pyrrolo[3,4 d]pyridazine-1,4(6H)-dione (5) and 6-phenyl-5,7-di(thiophen-2-yl)-2,3-dihydro-1H pyrrolo[3,4-d]pyridazine-1,4(6H)-dione (6), were successfully synthesized and electrochemically polymerized. The compounds have chemiluminescent properties and glow in the presence of hydrogen peroxide in basic medium. The intensity of the glow can be increased dramatically by using Fe3+ ions, hemin (1.0 ppm) or blood samples (1.0 ppm) as catalyst. The compounds 5 and 6 have one well-defined irreversible oxidation peak at 1.08 V and 1.33 V vs Ag/AgCl, respectively. Electrochemical polymerization of both 5 and 6 were carried out successfully by repeating potential scanning in the presence of BF3. Et2O in an electrolyte solution of 0.1 M LiClO4 dissolved in acetonitrile. The electronic band gaps (Eg) of the polymers P5 and P6 were found to be 2.02 eV and 2.16 eV, respectively. On the other hand, the corresponding polymers are electroactive and exhibited electrochromic features. Graphical Abstract ?. PMID- 27864702 TI - Selective Spectrofluorimetric Method with Enhanced Sensitivity for Determination of Silodosine in Dosage Form and Human Plasma. Application to Stability Studies and Content Uniformity Testing. AB - A novel, sensitive and selective spectrofluorimetric method has been developed and validated for determination of silodosine (SLD) in its dosage form and human plasma. The method is based on nucleophilic substitution reaction of SLD with 5 (dimethylamino) naphthalene-1-sulfonyl chloride (dansyl chloride) in presence of 5.0 * 10-4 M sodium carbonate (pH 10.50) to yield a highly fluorescent derivative that was measured at 435 nm after excitation at 347 nm. The different experimental parameters affecting the development and stability of the reaction product were carefully studied and optimized. The fluorescence-concentration plot was rectilinear over the range 30.0-200.0 ng ml-1, with a correlation coefficient of 0.9979. The limits of detection (LOD) and quantification (LOQ) were found to be 5.44 and 16.47 ng ml-1, respectively. The proposed method was validated according to ICH guidelines, and successfully applied to the assay of commercial capsules as well as content uniformity testing. The high sensitivity of the proposed method allowed its successful application to the analysis of SLD in spiked human plasma with % recovery of 92.88 +/- 1.05-100.73 +/- 0.75%, (n = 6). The application of the proposed method was further extended to stability studies of SLD after exposure to different forced degradation conditions, such as acidic, alkaline and oxidative conditions, according to ICH guidelines, where this work describe the first attempt for selective spectrofluorimetric determination of silodosine in plasma and in the presence of its oxidative degradation. PMID- 27864703 TI - Longitudinal experience with WHO Grade III (anaplastic) meningiomas at a single institution. AB - To retrospectively analyze and assess the outcomes and prognostic factors in patients with anaplastic meningioma (AM) (WHO Grade III). Clinical data and outcome [overall (OS) and progression-free (PFS) survival] from 18 patients with Grade III meningioma (AM, based on World Health Organization 2016 definition) initially treated between March 2000 and June 2015 were analyzed. Eleven patients (61%) were male, median age at diagnosis was 63 (range 48-86), and 55% (10/18 patients) had good performance status (KPS >= 80). Eight patients (45%) had lower grade disease (Grade I-n = 2; Grade II-n = 6) prior to being upgraded to AM. Ten patients had fractionated radiation after primary surgery, eight patients had salvage fractionated RT, stereotactic radiosurgery (SRS) boost along with primary RT in 1 patient, and salvage SRS to 18 separate areas in 14 patients. Salvage chemotherapy was mainly considered in third or fourth recurrences. 13 (72%) patients recurred and 10 (56%) have died. Median PFS was 14.5 months (95% CI 6.9 22.2). The 5-year survival rate was 40 +/- 15% and median OS was 55.8 months (95% CI 27.7-80.3). Of all factors examined, only Karnofsky performance status (KPS) affected outcome (PFS p = 0.0003; OS p = 0.0003). With median OS of 55 months (4.6 years) our results are consistent with existing reports of the poor outcomes for AM patients. From the available data, surgical resection followed by RT and salvage radiosurgery and/or chemotherapy can lead to extended survival; however the benefit may decrease with successive treatments. PMID- 27864704 TI - A clinicopathologic study of extraventricular neurocytoma. AB - In 2007, extraventricular neurocytoma was classified as a separate entity among glioneuronal tumors. However, extraventricular neurocytoma is not fully understood and may be misdiagnosed. Here, we describe the clinical and pathological features, prognoses, and treatments of 13 extraventricular neurocytoma cases, and compare their immunophenotypes with those of oligodendroglioma, diffuse astrocytoma, and ependymoma. Six typical and 7 atypical cases comprised the 13 extraventricular neurocytoma cases. Histological features included oligodendroglioma-like perinuclear halo, neuropil-like matrix, ganglion or ganglioid cells, perivascular pseudorosettes, vessel hyalinization, calcifications, and myxoid degeneration. Atypical histological features included increased mitotic figures, focal necrosis, endothelial cell proliferation, and/or a Ki-67 index of >2%. All lesions expressed synaptophysin and microtubule associated protein-2, which distinguished them from other similar tumors. Two patients with atypical extraventricular neurocytoma had tumor recurrence, one of whom had cerebrospinal fluid dissemination, suggesting that atypical histological features might represent adverse prognostic factors. In conclusion, the present study identified morphological and immunohistochemical features that would aid the differential diagnosis of extraventricular neurocytoma. In addition, radiotherapy with subtotal resection could be considered an effective treatment for extraventricular neurocytoma, but because a pediatric patient died of intracranial hemorrhage during radiotherapy, radiotherapy-related side effects should be considered, especially when treating children. Additional cases with long-term follow-up are needed to develop optimal management protocols for extraventricular neurocytoma. PMID- 27864705 TI - The clinical and financial impact of a pediatric surgical neuro-oncology clinical trial. AB - Pediatric surgical trials are rare and the impact of such trials on the institutions in which they are conducted is unknown. The purpose of this study was to analyze the clinical and financial impact of The Re-MATCH trial, a Phase I clinical trial requiring the biopsy or resection of recurrent medulloblastoma or PNET for enrollment. Inpatient financial and clinical volume information was collected during the 3 years of trial enrollment and the years preceding and following it. The primary endpoints were the difference in direct contribution margin (DCM), or net gain, of study and non-study patients and the difference in surgical volume during the study and non-study periods. The trial enrolled 18 patients; 15 had surgery at the sponsor institution and three had surgery at their home institution, then transferred tumor material to the sponsor institution. There were no differences between the two groups for potentially confounding variables such as neurosurgical procedure work relative value units (P = 0.13) or insurance provider (P = 0.26). There was no difference between the inpatient DCM per case for the institution for non-study patients (mean +/- SD, $9039 +/- $28,549) and study patients ($14,332 +/- $20,231) (P = 0.4819). During the non-study period, there were a mean of 2.78 +/- 1.65 pediatric brain tumor resections per month compared to 3.34 +/- 1.66 cases per month during the study period, a 17% increase. When the 15 study patients were excluded, there were 2.97 +/- 1.64 cases per month, a 7% increase. However, this increase in total case volume including study and non-study patients was not significant (P = 0.121). Phase I investigator-initiated surgically-based clinical trials may increase institutional surgical volume without imposing a financial burden. Finances are unlikely to be a barrier for researchers negotiating for resources to conduct such trials. PMID- 27864706 TI - Influence of insurance status and income in anaplastic astrocytoma: an analysis of 4325 patients. AB - To determine the impact of insurance status and income for anaplastic astrocytoma (AA). Data were extracted from the National Cancer Data Base. Chi square test, Kaplan-Meier method, and Cox regression models were employed in SPSS 22.0 (Armonk, NY: IBM Corp.) for data analyses. 4325 patients with AA diagnosed from 2004 to 2013 were identified. 2781 (64.3%) had private insurance, 925 (21.4%) Medicare, 396 (9.2%) Medicaid, and 223 (5.2%) were uninsured. Those uninsured were more likely to be Black or Hispanic versus White or Asian (p < 0.001), have lower median income (p < 0.001), less educated (p < 0.001), and not receive adjuvant chemoradiation (p < 0.001). 1651 (38.2%) had income >=$63,000, 1204 (27.8%) $48,000-$62,999, 889 (20.5%) $38,000-$47,999, and 581 (13.4%) had income <$38,000. Those with lower income were more likely to be Black or Hispanic versus White or Asian (p < 0.001), uninsured (p < 0.001), reside in a rural area (p < 0.001), less educated (p < 0.001), and not receive adjuvant chemoradiation (p < 0.001). Those with private insurance had significantly higher overall survival (OS) than those uninsured, on Medicaid, or on Medicare (p < 0.001). Those with income >=$63,000 had significantly higher OS than those with lower income (p < 0.001). On multivariate analysis, age, insurance status, income, and adjuvant therapy were independent prognostic factors for OS. Being uninsured and having income <$38,000 were independent prognostic factors for worse OS in AA. Further investigations are warranted to help determine ways to ensure adequate medical care for those who may be socially disadvantaged so that outcome can be maximized for all patients regardless of socioeconomic status. PMID- 27864707 TI - Impact of operative length on post-operative complications in meningioma surgery: a NSQIP analysis. AB - Many studies have implicated operative length as a predictor of post-operative complications, including venous thromboembolism [deep vein thrombosis (DVT) and pulmonary embolism (PE)]. We analyzed the American College of Surgeons (ACS) National Surgical Quality Improvement Program (NSQIP) database from 2006 to 2014, to evaluate whether length of operation had a statistically significant effect on post-operative complications in patients undergoing surgical resection of meningioma. Patients were included for this study if they had a post-operative diagnosis of meningioma. Patient demographics, pre-operative comorbidities, and post-operative 30-day complications were analyzed. Of 3743 patients undergoing craniotomy for meningioma, 13.6 % experienced any complication. The most common complications and their median time to occurrence were urinary tract infection (2.6 %) at 10 days postoperatively (IQR 7-15), unplanned intubation (2.5 %) at 3 days (IQR 1-7), failure to wean from ventilator (2.4 %) at 2.0 days (IQR 2-4), and DVT (2.4 %) at 6 days (IQR 11-19). Postoperatively, 3.6 % developed VTE; 2.4 % developed DVT and 1.7 % developed PE. Multivariable analysis identified older age (third and upper quartile), obesity, preoperative ventilator dependence, preoperative steroid use, anemia, and longer operative time as significant risk factors for VTE. Separate multivariable logistic regression models demonstrated longer operative time as a significant risk factor for VTE, all complications, major complications, and minor complications. Meningioma resection is associated with various post-operative complications that increase patient morbidity and mortality risk. this large, multi-institutional patient sample, longer operative length was associated with increased risk for postoperative venous thromboembolisms, as well as major and minor complications. PMID- 27864710 TI - Regulation of sporopollenin synthesis for pollen wall formation in plant. PMID- 27864711 TI - Mesenchymal stem cells-derived exosomal microRNAs contribute to wound inflammation. AB - Clinical and experimental studies have highlighted the significance of inflammation in coordinating wound repair and regeneration. However, it remains challenging to control the inflammatory response and tolerance at systemic levels without causing toxicity to injured tissues. Mesenchymal stem cells (MSCs) possess potent immunomodulatory properties and facilitate tissue repair by releasing exosomes, which generate a suitable microenvironment for inflammatory resolution. Exosomes contain several effective bioactive molecules and act as a cell-cell communication vehicle to influence cellular activities in recipient cells. During this process, the horizontal transfer of exosomal microRNAs (miRNAs) to acceptor cells, where they regulate target gene expression, is of particular interest for understanding the basic biology of inflammation ablation, tissue homeostasis, and development of therapeutic approaches. In this review, we describe a signature of three specific miRNAs (miR-21, miR-146a, and miR-181) present in human umbilical cord MSC-derived exosomes (MSC-EXO) identified microarray chip analysis and focus on the inflammatory regulatory functions of these immune-related miRNAs. We also discuss the potential mechanisms contributing to the resolution of wound inflammation and tissue healing. PMID- 27864712 TI - Associations between serum lipids and breast cancer incidence and survival in the E3N prospective cohort study. AB - PURPOSE: Several mechanistic studies support a role of cholesterol or its metabolites in breast cancer etiology, but associations have been inconsistent in epidemiological studies. In observational studies, possible reverse causation must be accounted for using a prospective design. We investigated prospective associations between pre-diagnostic serum lipid concentrations [total cholesterol (TC), high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, triglycerides], and both breast cancer risk and survival in the E3N cohort study. METHODS: Analyses were performed on 583 cases from the E3N prospective cohort diagnosed between 1994 and 2005, and 1,043 controls matched on date, age, recruitment center and menopausal status at blood collection. Odds ratios (OR) and 95% confidence intervals were estimated using conditional logistic regression. Risks of recurrence were estimated among cases using Cox proportional hazards model. Models were adjusted for lifestyle risk factors and mutually adjusted for lipid concentrations. Survival analyses were additionally adjusted for tumor characteristics. RESULTS: Overall, there was no association between any serum lipid and breast cancer risk or survival. In stratified analyses, statistically significant interaction was observed between TC and menopausal status (P interaction = 0.05) and between TC and waist circumference (P interaction = 0.03), although the ORs did not reach statistical significance in any of the strata. There was no statistically significant effect modification by BMI, time between blood donation and diagnosis or ER status. CONCLUSIONS: Our results suggest that serum lipids are not associated with breast cancer risk overall, but that menopausal status and waist circumference should be considered in further studies. PMID- 27864708 TI - Thyroid dysfunction and kidney disease: An update. AB - Thyroid hormones influence renal development, kidney hemodynamics, glomerular filtration rate and sodium and water homeostasis. Hypothyroidism and hyperthyroidism affect renal function by direct renal effects as well as systemic hemodynamic, metabolic and cardiovascular effects. Hypothyroidism has been associated with increased serum creatinine and decreased glomerular filtration rate. The reverse effects have been reported in thyrotoxicosis. Most of renal manifestations of thyroid dysfunction are reversible with treatment. Kidney disease may also cause thyroid dysfunction by several mechanisms. Nephrotic syndrome has been associated to changes in serum thyroid hormone concentrations. Different forms of glomerulonephritis and tubulointerstitial disease may be linked to thyroid derangements. A high prevalence of thyroid hormone alteration has been reported in acute kidney injury. Thyroid dysfunction is highly prevalent in chronic kidney disease patients. Subclinical hypothyroidism and low triiodothyronine syndrome are common features in patients with chronic kidney disease. Patients treated by both hemodialysis and peritoneal dialysis, and renal transplantation recipients, exhibit thyroid hormone alterations and thyroid disease with higher frequency than that found in the general population. Drugs used in the therapy of thyroid disease may lead to renal complications and, similarly, drugs used in kidney disorders may be associated to thyroid alterations. Lastly, low thyroid hormones, especially low triiodothyronine levels, in patients with chronic kidney disease have been related to a higher risk of cardiovascular disease and all-cause mortality. Interpretation of the interactions between thyroid and renal function is a challenge for clinicians involved in the treatment of patients with thyroid and kidney disease. PMID- 27864713 TI - A prospective randomized study for efficacy of an uncovered double bare metal stent compared to a single bare metal stent in malignant biliary obstruction. AB - BACKGROUND AND AIMS: A biliary self-expandable metal stent (SEMS) is commonly used to relieve malignant biliary obstruction. The aim of this study was to compare the efficacy of a conventional uncovered SEMS with that of a newly developed uncovered double bare metal stent in reducing the risk of stent occlusion caused by tumor ingrowth. PATIENTS AND METHODS: We performed a prospective, open-labeled, randomized trial in 71 patients at Severance Hospital, Yonsei University College of Medicine from June 2013 to June 2014. Patients with inoperable malignant biliary obstruction were included and randomized to receive an uncovered single bare metal stent (SBSs; S&G Biotech Inc.), an uncovered single bare metal stent (SBSt; Taewoong Medical), or an uncovered double bare metal stent (DBS; S&G Biotech Inc.). RESULTS: The mean age was 66.6 years (range, 35-83), and 42 (59.2%) were male. The mean duration of stent patency was 212 days (+/-152) in the DBS group (n = 24) compared with 124 days (+/-98) in the SBSs group (n = 23; P = 0.022 for noninferiority) and 116 days (+/-79) in the SBSt group (n = 24; P = 0.010 for noninferiority). There were no differences in the incidences of early and delayed complications or migration. CONCLUSIONS: The newly developed DBS is noninferior to the conventional uncovered SEMSs on duration of stent patency and tumor ingrowth occurred less frequently in the DBS group. This might decrease the need for reintervention and offer a better quality of life. The trial is registered with Clinicaltrials.gov no: NCT01869894. PMID- 27864714 TI - Clinical features of postoperative anastomotic bleeding after gastrectomy and efficacy of endoscopic hemostasis: a case-control study. AB - BACKGROUND: Postoperative anastomotic bleeding (PAB) is relatively rare; however, it can be lethal if not treated immediately. The aim of our study was to investigate the clinical features of PAB and the efficacy of endoscopic hemostasis (EH) for PAB. METHODS: Between January 2004 and May 2013, 16,591 patients underwent gastrectomy for gastric cancer at Asan Medical Center. Among them, 36 patients who experienced PAB within 2 months after the gastrectomy were enrolled as a case group. Each subject was matched at a ratio of 1:5 with randomly selected patients without bleeding during the same period (n = 180, control group). The clinical outcomes and risk factors for patients with PAB were compared with those of the control group, and the results of EH were evaluated retrospectively. RESULTS: The incidence of PAB was 0.22% (n = 36), and the median duration from gastrectomy to PAB was 34.5 h (interquartile range, 12.3-132.8 h). EH was attempted in 25 patients (69.4%); surgery was performed in 6 patients (16.7%); and conservative management was applied in 5 patients (13.9%). PAB related death occurred in three patients (8.3%; one in each treatment modality). Among 25 patients with primary EH, 16 were treated successfully (64%) and hemoclip was the most commonly used endoscopic tool (52%). In the multivariate analysis, the type of gastrectomy was found to be a risk factor for PAB (odds ratio 3.448, 95% confidence interval, 1.138-10.448, p = .029). CONCLUSIONS: Although PAB is an infrequent and potentially life-threatening complication, endoscopy can be considered as a useful method to avoid additional surgery in properly selected patients. PMID- 27864715 TI - Laparoscopic antireflux surgery increases health-related quality of life in children with GERD. AB - INTRODUCTION: Improving health-related quality of life (HRQoL) is increasingly recognized as an essential part of patient care outcome. Little is known about the effect of laparoscopic antireflux surgery (LARS) on the HRQoL in the pediatric patients. The aims of this study were to evaluate the effect of LARS on HRQoL in children with gastroesophageal reflux disease (GERD) and to identify predictors that influence HRQoL outcome after LARS. METHODS: Between 2011 and 2013, 25 patients with therapy-resistant GERD [median age 6 (2-18) years] were included prospectively. Caregivers and children with normal neurodevelopment (>4 years) were asked to fill out the validated PedsQL 4.0 Generic Core Scales before and 3-4 months after LARS. RESULTS: The PedsQL was completed by all caregivers (n = 25) and 12 children. HRQoL total score improved significantly after LARS, both from a parental (p = 0.009) and child's perspective (p = 0.018). The psychosocial health summary and physical health summary scores also improved significantly after LARS. HRQoL before and after LARS was significantly lower in children with impaired neurodevelopment (p < 0.001). However, neurodevelopment did not influence the effect of LARS on HRQoL. The only significant predictor for improvement in HRQoL after LARS was age at the time of operation (p = 0.001). CONCLUSIONS: HRQoL significantly improves after LARS. Although children with impaired neurodevelopment had lower overall HRQoL, neurodevelopment by itself does not predict inferior improvement in HRQoL after LARS. Older children have a more favorable HRQoL outcome after LARS compared to younger children. This may suggest caution when considering LARS in younger GERD patients. PMID- 27864716 TI - Single-incision laparoscopic surgery increases the risk of unintentional thermal injury from the monopolar "Bovie" instrument in comparison with traditional laparoscopy. AB - BACKGROUND: Single-incision laparoscopic surgery (SILS) places multiple instruments in close, parallel proximity, an orientation that may have implications in the production of stray current from the monopolar "Bovie" instrument. The purpose of this study was to compare the energy transferred during SILS compared to traditional four-port laparoscopic surgery (TRD). METHOD: In a laparoscopic simulator, instruments were inserted via SILS or TRD setup. The monopolar generator delivered energy to a laparoscopic L-hook instrument for 5-s activations on 30-Watts coag mode. The primary outcome (stray current) was quantified by measuring the heat of liver tissue held adjacent to the non electrically active 10-mm telescope tip and Maryland grasper in both the SILS and TRD setups. To control for the potential confounder of stray energy coupling via wires outside the surgical field, the camera cord and active electrode wires were oriented parallel or completely separated. RESULTS: SILS and TRD setups create similar amounts of stray current as measured by increased tissue temperature at the non-electrically active telescope tip (41 +/- 12 vs. 39 +/- 10 degrees C; p = 0.71). Stray current was greater in SILS compared to TRD at the tip of the non electrically active Maryland forceps (38 +/- 9 vs. 20 +/- 10 degrees C; p < 0.01). Separation of the active electrode and camera cords did not change the amount of stray energy in the SILS orientation for either telescope (39 +/- 10 degrees C bundled vs. 36 +/- 10 degrees C separated; p = 0.40) or grasper (38 +/ 9 degrees C bundled vs. 34 +/- 11 degrees C separated; p = 0.19) but did in the TRD orientation (41 +/- 12 bundled vs. 24 +/- 10 separated; p < 0.01). When SILS was compared to TRD with the cords separated, SILS increased stray energy at both the telescope tip and grasper tip (36 +/- 10 vs. 24 +/- 10 degrees C; p < 0.01 and 34 +/- 11 vs. 17 +/- 8 degrees C; p < 0.01). CONCLUSION: SILS increases stray energy transfer nearly twice as much as TRD with the use of the monopolar instrument. Strategies to mitigate the amount of stray energy in the TRD setup such as separation of the active electrode and camera cords are not effective in the SILS setup. These practical findings should enhance surgeons using the SILS approach of increased stray energy that could result in injury. PMID- 27864717 TI - Intraoperative localization of the parathyroid glands with indocyanine green and Firefly(R) technology during BABA robotic thyroidectomy. AB - BACKGROUND: It is unclear whether near-infrared (NIR) light-induced indocyanine green (ICG) fluorescence can effectively identify, and thus permit the preservation of, parathyroid glands in bilateral axillo-breast approach (BABA) robotic thyroidectomy. This case-control study with a prospectively recruited consecutive series and a retrospectively selected control group assessed the usefulness of ICG with Firefly(R) technology to identify the parathyroid glands intraoperatively during BABA robotic thyroidectomy. METHODS: All consecutive patients (N = 22) who were scheduled to undergo BABA robotic thyroidectomy for papillary thyroid carcinoma in December 2013-August 2015 and met the study eligibility criteria were recruited prospectively. ICG fluorescence was used with the Firefly system (NIR illuminator: 805 nm; filter: 825 nm) integrated in the da Vinci Si robot system to identify the lower parathyroid glands. Parathyroid hormone levels were recorded on postoperative days 0, 1, 2, and 14. Propensity score matching was used to identify an age-, gender-, tumor size-, and operation type-matched group of control patients who underwent BABA robotic thyroidectomy without the Firefly system. The two groups were compared in terms of parathyroid related outcomes. RESULTS: ICG fluorescence-mediated identification of the parathyroid and thyroid glands required on average (range) 203 +/- 89 (125-331) and 207 +/- 112 (130-356) s, respectively. The mean (range) fluorescence duration in these glands was 20.8 +/- 6.0 (16.6-35.8) and 20.1 +/- 7.3 (15.5-33.8) min, respectively. The ICG group had a significantly lower rate of incidental parathyroidectomy than the control group (0 vs. 15.9%, P = 0.048). CONCLUSIONS: ICG with NIR light may feasibly and safely identify the parathyroid glands in BABA robotic thyroidectomy. PMID- 27864718 TI - Phosphate tablets or polyethylene glycol for preparation to colonoscopy? A multicentre non-inferiority randomized controlled trial. AB - BACKGROUND: Adequate bowel preparation is a crucial step in colonoscopy procedure and has been identified as the cornerstone of a quality colonoscopy. Polyethylene glycol (PEG) for bowel cleansing still had up to 10 % unprepared colon. AIM: We herein compare efficacy, acceptability, tolerance and safety of sodium phosphate (NaP) tablets and split-dose PEG for bowel cleansing. PATIENTS AND METHODS: A prospective non-inferiority randomized trial was performed and registered on www.clinicaltrials.gov (NCT01840553). Patients were randomized to either 32 NaP tablets or 4 L of PEG. Blind readers assessed the efficacy of colon cleansing using the Boston Bowel Preparation Scale (BBPS). RESULTS: A total of 461 patients were randomized in groups (NaP group: n = 231; PEG group: n = 230). Median age was 54 and 52 in NaP group and PEG group, respectively (p < 0.01). Patients experienced an overall compliance to the treatment in 99.6 and 94.1 % in the NaP group and in the PEG group, respectively (p < 0.001). The mean time of withdrawal was 15.1 +/- 8.9 and 15.4 +/- 9.5 min in the NaP group and in the PEG group, respectively (p = 0.95). The good quality of bowel preparation, defined as BBPS score >=7, was obtained in 86.4 and 89.0 % of cases in the NaP group and in the PEG group, respectively (p = 0.42). In all segment (right colon, transverse colon and left colon and rectum), the NaP group was non-inferior to the PEG group. Bowel prep regimen was more frequently considered as "easy" by patients from the NaP group (54.8 % of patients) than patients from the PEG group (29.0 % of patients; p < 0.001). No serious adverse events were reported. No statistical differences were found between the NaP group and the PEG group concerning the incidence of an adverse event (338 vs. 322, respectively). CONCLUSION: While NaP tablets appeared as efficient as PEG in terms of colon cleansing prior to a colonoscopy, they significantly improved the overall compliance and eased product administration. At an era where bowel cleansing appears to be the cornerstone of a quality colonoscopy, NaP tablets in patients without contraindication might be considered as an option. PMID- 27864719 TI - Routine staging with endoscopic ultrasound in patients with obstructing esophageal cancer and dysphagia rarely impacts treatment decisions. AB - BACKGROUND: Endoscopic ultrasound (EUS) has been routinely utilized for the locoregional staging of esophageal cancer. One important aspect of clinical staging has been to stratify patients to treatment with neoadjuvant chemoradiation or primary surgical therapy. We hypothesized that EUS may have a limited impact on clinical decision making in patients with dysphagia and obstructing esophageal masses. METHODS: This retrospective cohort study included all patients with esophageal adenocarcinoma undergoing esophageal EUS between July 2008 and September 2013. Dysplastic Barrett's esophagus without invasive adenocarcinoma or incomplete staging was excluded. Patient demographics, endoscopic tumor characteristics, the presence of dysphagia, sonographic staging, and post-EUS therapy were recorded. Pathologic staging for patients who underwent primary surgical therapy was also recorded. Locally advanced disease was defined as at least T3 or N1, as these patients are typically treated with neoadjuvant therapy. RESULTS: Two hundred sixteen patients underwent EUS for esophageal adenocarcinoma, with 147 (68.1%) patients having symptoms of dysphagia on initial presentation. Patients with dysphagia were significantly more likely to have locally advanced disease on EUS than patients without dysphagia (p < 0.0001). Additionally, 145 (67.1%) patients had a partially or completely obstructing mass on initial endoscopy, of which 136 (93.8%) were locally advanced (p < 0.0001 vs. non-obstructing lesions). CONCLUSIONS: An overwhelming majority of patients presenting with dysphagia and/or the presence of at least partially obstructing esophageal mass at the time of esophageal cancer diagnosis had an EUS that demonstrated at least locally advanced disease. The present study supports the hypothesis that EUS may be of limited benefit for management of esophageal cancer in patients with an obstructing mass and dysphagia. PMID- 27864720 TI - A comparative study of delta-shaped and conventional Billroth I anastomosis after laparoscopic distal gastrectomy for gastric cancer. AB - BACKGROUND: Delta-shaped anastomosis (DA) is a newly developed intracorporeal gastroduodenostomy. This meta-analysis is performed to compare the safety, feasibility and clinical outcomes of DA with conventional extracorporeal Billroth I anastomosis (B-I) after laparoscopic distal gastrectomy for gastric cancer. METHODS: Both randomized controlled trials (RCTs) and nonrandomized cohort studies comparing outcomes of DA and B-I after laparoscopic distal gastrectomy for gastric cancer were searched in electronic database. Surgical outcomes, postoperative recovery, postoperative complications and outcomes were pooled and compared by meta-analysis using RevMan 5.3 software. Weighted mean differences (WMDs), odds ratios and risk differences were calculated with 95% confidence intervals (CIs). P values of <0.05 were considered statistically significant. RESULTS: Eight nonrandomized cohort studies of 2450 patients were included. Meta analysis showed significantly less blood loss (WMD -28.72; 95% CI -49.21 to 8.23; P = 0.006), more lymph nodes retrieved (WMD 3.23; 95% CI 0.86-5.61; P = 0.008), shorter time to first soft diet (WMD -0.34; 95% CI -0.47 to -0.21, P < 0.00001), less pain and analgesic use (WMC -0.29; 95% CI -0.56 to -0.02; P = 0.03) in DA than in B-I. Both methods had similar operative time, resection margin, time to first flatus, length of hospital stay and rate of complications. Most of the postoperative symptoms were comparable between groups. The subgroup of obese patient showed more favorable outcomes in DA, and the learning curve of DA is steep. CONCLUSION: DA is a safe and feasible reconstruction method after laparoscopic distal gastrectomy, with comparable postoperative surgical outcomes, postoperative complications comparing to B-I. DA is less invasive with quicker resume of diet than B-I, especially for the obese patients. PMID- 27864722 TI - Comparison between submucosal tunneling endoscopic resection and endoscopic full thickness resection for gastric stromal tumors originating from the muscularis propria layer. AB - BACKGROUND: Both submucosal tunneling endoscopic resection (STER) and endoscopic full-thickness resection (EFTR) are effective method for treating gastric gastrointestinal stromal tumors (GISTs); however, little is known about the comparison between STER and EFTR. The aim of the study was to compare the safety and efficacy of STER and EFTR for treating gastric GIST. METHODS: We retrospectively collected the clinical data about patients with gastric GISTs who received STER or EFTR at our hospital from April 2011 to June 2016. Epidemiological data (gender, age), tumor size, procedure-related parameters, complications, length of stay, cost and follow-up data were compared between STER and EFTR. RESULTS: A total of 52 patients were enrolled, and 20 of them received STER, while the other 32 cases received EFTR. There was no significant difference between the two groups in terms of gender, age, concomitant diseases, tumor size, en bloc resection rate, operation time, complications, pathohistological grade of GIST, hospital stay and cost (P > 0.05). However, patients who received EFTR had a longer suture time and needed more clips to close the gastric-wall defect (STER vs EFTR, 291.5 +/- 68.7 vs 380.6 +/- 96.9s and 6.0 +/- 1.2 vs 7.6 +/- 1.6, P < 0.05). No recurrence was noted in the STER and EFTR groups during a mean follow up of 10.9 and 23.8 months, respectively. CONCLUSIONS: The treatment efficacy between STER and EFTR for treating gastric GISTs was comparable, and a large scale, randomized study is necessary for a more confirmed conclusion. PMID- 27864721 TI - Intraoperative endoscopic nasobiliary drainage over primary closure of the common bile duct for choledocholithiasis combined with cholecystolithiasis: a cohort study of 211 cases. AB - BACKGROUND: Endoscopic nasobiliary drainage (ENBD) was often used for preoperative biliary drainage in cases like cholangiocarcinoma or acute obstructive suppurative cholangitis, reports on endoscopic nasobiliary drainage (ENBD) over primary closure of the common bile duct (CBD) are limited. This study compares outcomes of laparoscopic cholecystectomy (LC) + laparoscopic CBD exploration (LCBDE) + intraoperative ENBD + primary closure of CBD with equivalent patients who underwent preoperative endoscopic retrograde cholangiopancreatography (ERCP) and subsequent LC. METHODS: From January 2013 to December 2015, 829 consecutive patients with choledocholithiasis combined with cholecystolithiasis underwent surgery in our department. 211 patients underwent LC + LCBDE + intraoperative ENBD + primary closure of CBD (group A) and 117 preoperative ERCP + subsequent LC (group B). A total of 501 patients (355 who underwent T-tube drainage and 146 who underwent transcystic exploration) were excluded from the analysis. Clinical records, operative findings, and postoperative follow-up were analyzed. RESULTS: Age and sex distribution, comorbidity, presentations, CBD diameter, and size and number of stones were similar in the two groups, and there was no postoperative mortality. Duration of surgery in group A was shorter (83 vs. 104 min, P < 0.01), as was postoperative hospital stay (6 vs. 9 days, P < 0.01). Average operative expenditure in group A was less than that of group B ($ 3816 vs. $ 4015, P < 0.01). The success rate in group A was higher (100 vs. 91%, P < 0.01). Ten patients in group B converted to LCBDE. The postoperative complication rate was higher in group B but without significant difference (1.9 vs. 4.2%, P = 0.29). Median follow-up time was 24 (3 28) months (n = 302 patients). Two patients in group B reported residual stones. CONCLUSION: LC + LCBDE + intraoperative ENBD + primary closure of CBD should have priority over preoperative ERCP + subsequent LC for choledocholithiasis combined with cholecystolithiasis. PMID- 27864723 TI - Pre-treatment Eckardt score is a simple factor for predicting one-year peroral endoscopic myotomy failure in patients with achalasia. AB - BACKGROUND: Peroral endoscopic myotomy (POEM) is a novel treatment for achalasia with excellent outcomes. But the predictor for treatment failure is not well defined. This study was aimed to prospectively investigate the factors for predicting failed POEM. METHODS: From June 2011 to May 2015, a total of 115 achalasia patients treated by POEM were included for the retrospective cohort study from Nanfang Hospital and the First People's Hospital of Yunnan Province. Patients were followed up with Eckardt score, high-resolution manometry and endoscope. POEM failure was defined as primary failure (Eckardt score failed to decrease to 3 or below) and recurrences (decrease of Eckardt score to 3 or below, then rise to more than 3) during one-year follow-up. Univariate and multivariate Cox regression analyses were performed to assess the predictive factor. For the associated factor, receiver operating characteristic curve (ROC) was utilized to determine the cutoff value of the predicting factor. RESULTS: The failure rate of POEM after 1 year was 7.0% (8/115), including 5 primary failure cases and 3 recurrences. Multivariate analysis showed higher pre-treatment Eckardt score was the single independent factor associated with POEM failure [9.5 (6-12) vs. 7 (2 12), odds ratio (OR) 2.24, 95 confidence interval (95% CI) 1.39-3.93, p = 0.001]. The cutoff value (Eckardt score >=9) had 87.5 sensitivity (95% CI 47.3-99.7%) and 73.8% specificity (95% CI 64.4-81.9%) for predicting failed POEM. CONCLUSIONS: Pre-treatment Eckardt score could be a predictive factor for failed POEM. Eckardt score >=9 was associated with high sensitivity and specificity for predicting POEM failure. PMID- 27864725 TI - Endoscope-assisted extracapsular dissection of benign parotid tumors through a single cephaloauricular furrow incision versus a conventional approach. AB - BACKGROUND: A few modified approaches have been reported for performing endoscope assisted dissections of benign parotid tumors, but none that use incisions totally hidden in a natural furrow. This study evaluated the feasibility of performing endoscope-assisted extracapsular dissections of benign parotid tumors using a single cephaloauricular furrow incision. METHODS: Forty-six patients with benign parotid superficial lobe tumors were randomly divided into two groups: an endoscope-assisted (21 patients) group or a conventional (25 patients) surgery group. Perioperative and postoperative outcomes of the patients were evaluated, including the maximum diameter of the tumors, length of the incision, operating time, estimated blood loss during the operation, amount and duration of drainage, satisfaction scores based on the cosmetic results, perioperative complications, and follow-up information. RESULTS: The diameters of the tumors were comparable between the groups, and all operations were successfully performed as planned. The mean length of the incision in the endoscope-assisted group (3.6 +/- 0.5 cm) was significantly shorter than that in the conventional group (9.1 +/- 1.9). Meanwhile, the intraoperative blood loss, amount of drainage, perioperative complications, and cosmetic outcomes were all improved in the endoscope-assisted group. No tumor recurrence was found during 11-40 months of follow-up. CONCLUSIONS: Cephaloauricular furrow incisions were totally and naturally hidden in this procedure. Endoscope-assisted extracapsular dissections of benign parotid tumors via a small cephaloauricular furrow incision were found to be feasible and reliable, providing a minimally invasive approach and a satisfactory appearance. PMID- 27864724 TI - Cosmesis, patient satisfaction, and quality of life after da Vinci Single-Site cholecystectomy and multiport laparoscopic cholecystectomy: short-term results from a prospective, multicenter, randomized, controlled trial. AB - BACKGROUND: Single-incision laparoscopic cholecystectomy evolved from the traditional multiport laparoscopic technique. Prior trials have demonstrated improved cosmesis with the single-incision technique. Robotic single-site surgery minimizes the technical difficulties associated with laparoscopic single-incision approach. This is the first prospective, randomized, controlled study comparing robotic single-site cholecystectomy (RSSC) and multiport laparoscopic cholecystectomy (MPLC) in terms of cosmesis and patient satisfaction. METHODS: Patients with symptomatic benign gallbladder disease were randomized to RSSC or MPLC. Data included perioperative variables such as operative time, conversion and complications and cosmesis satisfaction, body image perception, quality of life using validated questionnaires, at postoperative visits of 2, 6 weeks and 3 months. RESULTS: One hundred thirty-six patients were randomized to RSSC (N = 83) and MPLC (N = 53) at 8 institutions. Both cohorts were dominated by higher enrollment of females (RSSC = 78%, MPLC = 92%). The RSSC and MPLC cohorts were otherwise statistically matched. Operative time was longer for RSSC (61 min vs. 44 min, P < 0.0001). There were no differences in complication rates. RSSC demonstrated a significant superiority in cosmesis satisfaction and body image perception (P value < 0.05 at every follow-up). There was no statistically significant difference in patient-reported quality of life. Multivariate analysis of female patients demonstrated significantly higher preference for RSSC over MPLC in cosmesis satisfaction and body image perception with no difference seen in overall quality of life. CONCLUSIONS: Results from this trial show that RSSC is associated with improved cosmesis satisfaction and body image perception without a difference in observed complication rate. The uncompromised safety and the improved cosmesis satisfaction and body image perception provided by RSSC for female patients support consideration of the robotic single-site approach. ClinicalTrials.gov identifier NCT01932216. PMID- 27864726 TI - Hand-assisted laparoscopic right hemicolectomy with complete mesocolic excision and central vascular ligation: a novel technique for right colon cancer. AB - BACKGROUND: It can be difficult to locate the superior mesenteric vein and dissect around middle colic vessels during laparoscopic right hemicolectomy with complete mesocolon excision due to a high rate of vascular variations in the superior mesenteric vessels. Therefore, we report a modified technique for hand assisted laparoscopic right hemicolectomy with complete mesocolic excision and central vascular ligation, which addresses these two problems. METHODS: Thirty one consecutive patients with right colon cancer underwent this procedure from March 2014 to August 2015. Extracorporeally, the transverse colon and distal ileum were excised with a transumbilical hand-port incision, and the distal part of the superior mesenteric vein was identified. Intracorporeally, with the assistance of the surgeon's left hand inserted through the incision, D3 lymphadenectomy with central vascular ligation was performed, and the colon with the tumor, which had no blood supply, was removed. Patients' demographic data and intraoperative, postoperative and pathological characteristics were examined. RESULTS: The median operative time was 130.0 (range 115-180) minutes. The median blood loss was 45.0 (range 20-300) milliliters. The median length of the hand port incision was 7.3 (range 6.0-8.2) centimeters. The median numbers of lymph nodes and central lymph nodes was 34.0 (range 18-91) and 13.0 (range 3-28), respectively. Five (16.1%) of 31 patients had positive central lymph nodes. Specimen morphometric quantitation was as follows: the median distances from the tumor and nearest bowel wall to the high tie were 10.5 (range 5.0-15.0) and 8.0 (range 6.0-12.0) centimeters, respectively; the median resected area of the mesentery was 200.0 (range 96.0-300.0) square centimeters; the median width of the chain of lymph-adipose tissue at the central lymph nodes area was 2.0 (range 0.8-8.0) centimeters; and the median length of the central lymph-adipose chain was 19.0 (range 3.0-26.0) centimeters. CONCLUSIONS: Our procedure confers technical advantages and is feasible for treatment of right colon cancer. PMID- 27864727 TI - Post-translational modification by acetylation regulates the mitochondrial carnitine/acylcarnitine transport protein. AB - The carnitine/acylcarnitine transporter (CACT; SLC25A20) mediates an antiport reaction allowing entry of acyl moieties in the form of acylcarnitines into the mitochondrial matrix and exit of free carnitine. The transport function of CACT is crucial for the beta-oxidation pathway. In this work, it has been found that CACT is partially acetylated in rat liver mitochondria as demonstrated by anti acetyl-lys antibody immunostaining. Acetylation was reversed by the deacetylase Sirtuin 3 in the presence of NAD+. After treatment of the mitochondrial extract with the deacetylase, the CACT activity, assayed in proteoliposomes, increased. The half-saturation constant of the CACT was not influenced, while the V max was increased by deacetylation. Sirtuin 3 was not able to deacetylate the CACT when incubation was performed in intact mitoplasts, indicating that the acetylation sites are located in the mitochondrial matrix. Prediction on the localization of acetylated residues by bioinformatics correlates well with the experimental data. Recombinant CACT treated with acetyl-CoA was partially acetylated by non enzymatic mechanism with a corresponding decrease of transport activity. The experimental data indicate that acetylation of CACT inhibits its transport activity, and thus may contribute to the regulation of the mitochondrial beta oxidation pathway. PMID- 27864728 TI - Variation in pestivirus growth in testicle primary cell culture is more dependent on the individual cell donor than cattle breed. AB - The causes of bovine respiratory disease complex (BRDC) are multifactorial and include infection with both viral and bacterial pathogens. Host factors are also involved as different breeds of cattle appear to have different susceptibilities to BRDC. Infection with bovine pestiviruses, including bovine viral diarrhea virus 1 (BVDV1), BVDV2 and 'HoBi'-like viruses, is linked to the development of BRDC. The aim of the present study was to compare the growth of different bovine pestiviruses in primary testicle cell cultures obtained from taurine, indicine and mixed taurine and indicine cattle breeds. Primary cells strains, derived from testicular tissue, were generated from three animals from each breed. Bovine pestivirus strains used were from BVDV-1a, BVDV-1b, BVDV-2a and 'HoBi'-like virus. Growth was compared by determining virus titers after one passage in primary cells. All tests were run in triplicate. Virus titers were determined by endpoint dilution and RT-qPCR. Statistical analysis was performed using one way analysis of variance (ANOVA) followed by the Tukey's Multiple Comparison Test (P?0.05). Significant differences in virus growth did not correlate with cattle breed. However, significant differences were observed between cells derived from different individuals regardless of breed. Variation in the replication of virus in primary cell strains may reflect a genetic predisposition that favors virus replication. PMID- 27864729 TI - Assessment of right ventricular metabolism: An emerging tool for monitoring pulmonary artery hypertension. PMID- 27864730 TI - Design specifications for cellular regulation. AB - A critical feature of all cellular processes is the ability to control the rate of gene or protein expression and metabolic flux in changing environments through regulatory feedback. We review the many ways that regulation is represented through causal, logical, and dynamical components. Formalizing the nature of these components promotes effective comparison among distinct regulatory networks and provides a common framework for the potential design and control of regulatory systems in synthetic biology. PMID- 27864731 TI - Multiple Sclerosis-Related Pain Syndromes: An Imaging Update. AB - Pain in multiple sclerosis (MS) is a common manifestation, made up of complex phenomenon involving intricate neurophysiological processing at central levels of the pain pathway. Our understanding of the clinical and neurophysiological mechanisms of central/neuropathic pain related to MS continues to improve with improved imaging techniques but remains a challenging area of research. The advancements in imaging techniques for lesion evaluation of the various neuroanatomic structures have improved our detection, diagnosis, and understanding of MS pain and help validate subjective symptoms. This article will discuss the updated criteria of MS neuropathic pain and critically review some of the latest research into imaging correlations of MS pain syndromes. And discuss how advanced MRI imaging techniques (such as functional magnetic resonance imaging [fMRI], 3D imaging, fluid attenuated inversion recovery [FLAIR*], and diffusion tensor imaging [DTI]) have detailed neuropathic pain with a focus on migraines and trigeminal neuralgias and will highlight some of the ongoing limitations, variabilities, and deficiencies. PMID- 27864732 TI - Impact of pharmaceutical care on cardiovascular risk among older HIV patients on antiretroviral therapy. AB - Background Advances in the treatment of HIV infection have enabled better control of the disease, allowing patients to enjoy a longer life expectancy. However, the ageing of patients leads to an increased prevalence of cardiovascular disease. Various studies have found that pharmaceutical care results in better control of cardiovascular risk factors. Objective To measure the impact of pharmaceutical care on cardiovascular risk in patients older than 50 years receiving combination antiretroviral therapy. Setting Outpatient pharmacy service of a tertiary hospital, Spain. Methods A pre/post-intervention quasi-experimental clinical study was conducted in which health education and pharmacist interventions to reduce cardiovascular risk factors were carried out in a single patient cohort using the Dader method of pharmacotherapy, with a 12-month follow-up period per patient. Patients included were older than 50 years, with moderate/elevated cardiovascular risk. Data were obtained from patient clinical histories, dispensing records and patient interviews, and were subjected to statistical analysis. Main outcome measure Cardiovascular risk estimated by SCORE and REGICOR equations. Results Forty-two patients completed the study. Of these, 93 % were men, with an average age of 57 years and 15 years since diagnosis of HIV. A reduction was observed in the mean values (baseline vs. 12 months) of the following cardiovascular risk factors: systolic blood pressure (P = 0.009), diastolic blood pressure (P = 0.010), total cholesterol (P = 0.006), low-density lipoprotein cholesterol (LDL-c; P = 0.039), triglycerides (P = 0.010) and total cholesterol/high-density lipoprotein cholesterol (HDL-c; P < 0.001). An increase in HDL-c (P = 0.037) was also observed. The average cardiovascular risk estimated by the SCORE instrument was reduced from 7.6 % at the beginning of the study to 6.4 % after 12 months (P = 0.039). The risk estimate according to REGICOR also decreased (P = 0.002). Over the 12-month period, 6.3 +/- 3.4 interventions were carried out per patient. Quantitative ineffectiveness was the most prevalent negative outcome associated with medication throughout the study, and noncompliance was the most frequent cause. Interventions on health education were the most common, followed by interventions on improving adherence. Conclusion Pharmaceutical care, delivered as a combination of health education and pharmacotherapy follow-up to outpatients at a tertiary hospital, had a positive impact on cardiovascular risk in patients older than 50 years receiving combination antiretroviral therapy. PMID- 27864734 TI - Myelin Genes and the Corpus Callosum: Proteolipid Protein 1 (PLP1) and Contactin 1 (CNTN1) Gene Variation Modulates Interhemispheric Integration. AB - Interhemispheric communication during demanding cognitive tasks shows pronounced interindividual variation. Differences in interhemispheric transfer time are constituted by the relative composition of slow and fast fibers. The speed of axonal conduction depends on the diameter of the axon and its myelination. To understand the possible genetic impact of myelin genes on performance in the Banich-Belger Task, a widely used paradigm to assess interhemispheric integration, 453 healthy adults were genotyped for 18 single nucleotide polymorphisms (SNPs) in six myelin-related candidate genes. We replicated the typical pattern of results in the Banich-Belger Task, supporting the idea that performance on cognitively demanding tasks is enhanced when cognitive processing is distributed across the two hemispheres. Moreover, allelic variations in the proteolipid protein 1 gene PLP1 and the contactin 1 gene CNTN1 correlated with the extent to which individual performance is enhanced by interhemispheric integration. Variation in myelin genes possibly affects the microstructure of the corpus callosum by altering oligodendrocyte structure. Therefore, these results provide a foundation for understanding how genetics plays a role in modulating the efficacy of transcallosal transmission. PMID- 27864733 TI - (-)-Epicatechin, a Natural Flavonoid Compound, Protects Astrocytes Against Hemoglobin Toxicity via Nrf2 and AP-1 Signaling Pathways. AB - (-)-Epicatechin is a brain-permeable, natural product found at high concentrations in green tea and cocoa. Our previous research has shown that (-) epicatechin treatment reduces hemorrhagic stroke injury via nuclear factor erythroid 2-related factor 2 (Nrf2) signaling pathway in vivo. However, the mechanism of action of this compound in modulation of oxidant stress and in protection against hemoglobin-induced astrocyte injury is unclear. Therefore, we explored the cellular and molecular mechanisms that underlie these protective effects in vitro. Mouse primary astrocytes isolated from wild-type mice and Nrf2 knockout (KO) mice were preconditioned with hemoglobin to simulate intracerebral hemorrhage (ICH) in vitro. Effects of (-)-epicatechin were measured by Western blotting, immunostaining, MTT assay, and reactive oxidant stress (ROS) assay. (-) Epicatechin increased Nrf2 nuclear accumulation and cytoplasmic levels of superoxide dismutase 1 (SOD1) in wild-type astrocytes but did not increase SOD1 expression in Nrf2 knockout (KO) astrocytes. Furthermore, (-)-epicatechin treatment did not alter heme oxygenase 1 (HO1) expression in wild-type astrocytes after hemoglobin exposure, but it did decrease HO1 expression in similarly treated Nrf2 KO astrocytes. In both wild-type and Nrf2 KO astrocytes, (-) epicatechin suppressed phosphorylated JNK and nuclear expression of JNK, c-jun, and c-fos, indicating that inhibition of activator protein-1 (AP-1) activity by ( )-epicatechin is Nrf2-independent. These novel findings indicate that (-) epicatechin protects astrocytes against hemoglobin toxicity through upregulation of Nrf2 and inhibition of AP-1 activity. These cellular and molecular effects may partially explain the cerebroprotection as we previously observed for (-) epicatechin in animal models of ICH. PMID- 27864735 TI - Environmental analysis of waste foundry sand via life cycle assessment. AB - The aim of this manuscript is to provide an environmental assessment of the creation and use of waste foundry sand (WFS) via an LCA in a foundry for grey cast iron. A life cycle impact assessment was carried out using SimaPro 8. This environmental analysis assessed the impact of creating waste foundry sand (WFS) in a foundry, Hronec (Slovakia, Central Europe). According to BREF, this foundry is classified as an iron foundry with a production capacity greater than 20 t/day with processes typical for grey cast iron foundries. Molten metal is poured into single-use sand moulds. We identified those factors influencing the creation and use of WFS which significantly affect the quality of the environment. The use of WFS from the production of cores in regenerated moulding mixtures with installed circuits brings marked minimisation of material and energy inputs in the processes of creating WFS and it positively influences the consumption of resources and the quality of the ecosystem. Space for lessening the impact of WFS processes upon the consumption of resources and ecosystem quality is mainly found in recycling WFS in the building sector. In the next step, it is necessary to thoroughly verify the eco-toxicological properties of not only the created WFS and other foundry waste, but mainly the building products for which this waste is used. In terms of transportation, it is important that waste is recycled at local level. The processes of creating WFS have a marked influence upon all the selected waste categories (consumption of resources, ecosystem quality, human health). By minimising material inputs into processes and the effective adjustment of production technology, a foundry can significantly lessen the impacts of processes for creating WFS upon the environment. PMID- 27864736 TI - Assessment of different route choice on commuters' exposure to air pollution in Taipei, Taiwan. AB - The purposes of this study are to develop a healthy commute map indicating cleanest route in Taipei metropolitan area for any given journey and to evaluate the pollutant doses exposed in different commuting modes. In Taiwan, there are more than 13.6 million motorcycles and 7.7 million vehicles among the 23 million people. Exposure to traffic-related air pollutants can thus cause adverse health effects. Moreover, increasing the level of physical activity during commuting and longer distances will result in inhalation of more polluted air. In this study, we utilized air pollution monitoring data (CO, SO2, NO2, PM10, and PM2.5) from Taiwan EPA's air quality monitoring stations in Taipei metropolitan area to estimate each pollutant exposure while commuting by different modes (motorcycling, bicycling, and walking). Spatial interpolation methods such as inverse distance weighting (IDW) were used to estimate each pollutant's distribution in Taipei metropolitan area. Three routes were selected to represent the variety of different daily commuting pathways. The cleanest route choice was based upon Dijkstra's algorithm to find the lowest cumulative pollutant exposure. The IDW interpolated values of CO, SO2, NO2, PM10, and PM2.5 ranged from 0.42-2.2 (ppm), 2.6-4.8 (ppb), 17.8-42.9 (ppb), 32.4-65.6 (MUg/m3), and 14.2-38.9 (MUg/m3), respectively. To compare with the IDW results, concentration of particulate matter (PM10, PM2.5, and PM1) along the motorcycle route was measured in real time. In conclusion, the results showed that the shortest commuting route for motorcyclists resulted in a much higher cumulative dose (PM2.5 3340.8 MUg/m3) than the cleanest route (PM2.5 912.5 MUg/m3). The mobile personal monitoring indicated that the motorcyclists inhaled significant high pollutants during commuting as a result of high-concentration exposure and short-duration peaks. The study could effectively present less polluted commuting routes for citizen health benefits. PMID- 27864737 TI - Significance of diazotrophic plant growth-promoting Herbaspirillum sp. GW103 on phytoextraction of Pband Zn by Zea mays L. AB - Microbe-assisted phytoremediation has been considered a promising measure for the remediation of heavy metal-polluted soil. The aim of this study was to assess the effect of diazotrophic plant growth-promoting Herbaspirillum sp. GW103 on growth and lead (Pb) and zinc (Zn) accumulation in Zea mays L. The strain GW103 exhibited plant growth-promoting traits such as indole-3-acetic acid, siderophores, and 1-aminocyclopropane-1-carboxylic deaminase. Treatment of Z. mays L. plants with GW103 significantly increased 19, 31, and 52% of plant biomass and 10, 50, and 126% of chlorophyll a contents in Pb, Zn, and Pb + Zn amended soils, respectively. Similarly, the strain GW103 significantly increased Pb and Zn accumulation in shoots and roots of Z. mays L., which were 77 and 25% in Pb-amended soil, 42 and 73% in Zn-amended soil, and 27 and 84% in Pb + Zn amended soil. Furthermore, addition of GW103 increased 8, 12, and 7% of total protein content, catalase, and superoxide dismutase levels, respectively, in Z. mays L. plants. The results pointed out that isolate GW103 could potentially reduce the phytotoxicity of metals and increase Pb and Zn accumulation in Z. mays L. plant. PMID- 27864738 TI - Biochemical and histological biomarkers in the midgut of Apis mellifera from polluted environment at Beheira Governorate, Egypt. AB - The aim of this study was to analyze the impact of organophosphorus (OP) pollutants on oxidative stress and ultrastructural biomarkers in the midgut of the honeybee Apis mellifera collected from three locations that differ in their extent of spraying load with OP insecticides: a weakly anthropised rural site, Bolin which is considered as a reference site; moderately spraying site, El Kaza; and a strongly anthropised urban site, Tiba with a long history of pesticide use. Results showed that high concentrations of chlorpyrifos, malathion, diazinon, chlorpyrifos-methyl, and pirimiphos-methyl were detected in midgut at locations with extensive pesticide spraying. Reduced glutathione content, superoxide dismutase, catalase, and glutathione peroxidase displayed lowest activities in the heavily sprayed location (Tiba). Lipid peroxidation level in the midgut of honeybees in the sprayed locations was found to be significantly higher compared to the reference values. Meanwhile, various ultrastructural abnormalities were observed in the epithelial cells of midgut of honeybees collected from El Kaza and Tiba, included confluent and disorganized microvilli and destruction of their brush border, the cytoplasm with large vacuoles and alteration of cytoplasmic organelles including the presence of swollen mitochondria with lysis of matrices, disruption of limiting membranes, and disintegration of cristae. The nuclei with indented nuclear envelope and disorganized chromatin were observed. These investigated biomarkers indicated that the surveyed honeybees are being under stressful environmental conditions. So, we suggest using those biomarkers in the assessment of environmental quality using honeybees in future monitoring of ecotoxicological studies. PMID- 27864739 TI - Long-term 2007-2013 monitoring of reproductive disturbance in the dun sentinel Assiminea grayana with regard to polymeric materials pollution at the coast of Lower Saxony, North Sea, Germany. AB - During biological effect monitoring studies of endocrine active compounds with the snail Assiminea grayana in 2007-2013, reproductive disorders including atresia, transformation of capsule/albumen glands into prostates in females and ovotestis, transformation of prostates to capsule/albumen glands, disruption of spermatogenesis, and calcification of tubules in males, were encountered in several years. The search of sources of endocrine active substances was first directed to antifouling biocides from paint particles and extended to leaching compounds from polymeric materials. In contrast to the reference sites, most of the observed disorders occurred at a station near harbors and dockyards polluted with residues from antifouling paints and polymeric materials. Beside of investigations about the potential ingestion of polymer particles by the snails, further investigations of compounds of polymeric materials with endocrine potential should follow. PMID- 27864740 TI - Expression Levels of Warburg-Effect Related microRNAs Correlate with each Other and that of Histone Deacetylase Enzymes in Adult Hematological Malignancies with Emphasis on Acute Myeloid Leukemia. AB - Disruption of epigenetic regulation and characteristic metabolic alterations (known as the Warburg-effect) are well-known hallmarks of cancer. In our study we investigated the expression levels of microRNAs and histone deacetylase enzymes via RT-qPCR in bone marrow specimens of adult patients suffering from hematological malignancies (total cohort n = 40), especially acute myeloid leukemia (n = 27). The levels of the three examined Warburg-effect related microRNAs (miR-378*, miR-23b, miR-26a) positively correlated with each other and the oncogenic miR-155 and miR-125b, while negatively with the level of the tumorsuppressor miR-124. Significant relationships have been confirmed between the levels of SIRT6, HDAC4 and the microRNAs listed above. In NPM1-mutated AML (n = 6), the level of miR-125b was significantly lower than in the group of AML patients not carrying this mutation (n = 13) (p < 0.05). In M5 FAB type of AML (n = 5), the level of miR-124 was significantly higher compared to the M2 group (n = 7) (p < 0.05). In two cases of FAB M5 AML, the levels of SIRT6 and miR-26a increased during the first 4 weeks of treatment. In the total cohort, white blood cell count at the time of the diagnosis significantly correlated with the levels of HDAC4, SIRT6, miR-124 and miR-26a. Our results suggest that Warburg-effect related microRNAs may have important role in the pathogenesis of leukemia, and the potential oncogenic property of HDAC4 and SIRT6 cannot be excluded in hematological malignancies. Elevated level of miR-125b can contribute to adverse prognosis of AML without NPM1 mutation. The prevailment of the tumorsuppressor property of miR-124 may depend on the accompanying genetic alterations. PMID- 27864741 TI - An ultrasensitive label free nanobiosensor platform for the detection of cardiac biomarkers. AB - We report the fabrication of a label free nano biosensor platform comprising single nanofiber that is derived out of multi-walled carbon nanotubes (MWCNTs) embedded SU-8 photoresist, for the detection of three important human cardiac biomarkers viz., myoglobin (Myo), cardiac Troponin I (cTn I) and Creatine Kinase MB (CK-MB). These composite nanofibers were synthesized using electrospinning process. Single nanofibers were aligned between pairs of electrodes in-situ during the electrospinning process. The target proteins were detected using chemiresistive detection methodology. Each biomarker was detected using a specific, single, aligned nanofiber, functionalized with its corresponding monoclonal antibody. Chemiresistive detection involves measuring the change in conductance of the functionalized nanofibers upon the binding of the targeted antigen. The minimum detection limits of Myo, CK-MB and cTn I were experimentally found out to be as low as 6, 20 and 50 fg/ml respectively. No response was observed when the nanofibers were exposed to a non-specific protein, demonstrating excellent specificity to the targeted detection. These MWCNTs embedded SU-8 nanofibers based nanobiosensor platform shows great promise in the detection of cardiac markers and other proteins as they have fast response time, high sensitivity and good specificity. PMID- 27864743 TI - How to get a smoker addicted to quitting. PMID- 27864742 TI - A review of the application, feasibility, and the psychometric properties of the individualized measures in cancer. AB - PURPOSE: To identify from the published literature the feasibility and the application of the individualized measures [Patient Generated Index (PGI), Schedule for the Evaluation of Individual Quality of Life (SEIQOL), and the short form of it (the direct weighting SEIQOL-DW)] in the context of cancer and to summarize the evidence on the psychometric properties of these measures. METHODS: Ovid Medline, PubMed, Embase, and CINAHL were searched up to April 2016. All studies were included if they reported information about the psychometric properties of the individualized measures and included patients diagnosed with any type of cancer at any age. Effect size (ES) was calculated to test for the responsiveness. RESULTS: Fifty-four full articles were reviewed. Full-text assessment of these articles resulted in 27 eligible studies that were included in our analysis. The majority of the studies (81%) reported data on the SEIQOL DW, and only 15% on the PGI. Fourteen areas of quality-of-life (QOL) concerns were identified by patients using the PGI with the top 4 being family (90%), health (85%), finance (85%), and work (80%). At the global level, the correlation between the individualized and standard measures ranged from 0.45 to 0.49 and, at the symptom level, from 0.26 to 0.51. The ES of the individualized measures was high (ranged from 0.98 to 1.0) in the studies that expected high positive change compared to standard QOL measures (ES = 0.1). CONCLUSION: Individualized measures are feasible and acceptable among people with cancer and could easily be incorporated clinically and used in a research context. Individualized measures are sensitive to change and cover a wide range of patients QOL concerns in comparison with standard measures. PMID- 27864746 TI - Revalidation of the Sat-Chit-Ananda Scale. AB - Sat-Chit-Ananda is an indigenous construct that refers to absolute bliss and consciousness. The present study aimed to strengthen the psychometric properties of the newly developed Sat-Chit-Ananda scale (Singh et al. in Int J Vedic Found Manag 1(2):54-74, 2014). A total of 398 students aged 17-36 years (mean age = 21.33 years, SD = 2.2, 70% males) participated in this study. An exploratory as well as confirmatory factor analysis was computed for the 17-item scale. Its' concurrent validity was established by assessing its correlation with other well being measures, namely Flourishing (Diener et al. in Soc Indic Res 97:143-156 2010) and Scale of Positive and Negative Experience (Diener et al. 2010). Satisfactory results were obtained from both exploratory and confirmatory factor analyses. Sat-Chit-Ananda and its factors were found to be significantly positively correlated with Flourishing and Positive Experiences and were negatively correlated with Negative Experiences. Thus, the validity of the Sat Chit-Ananda (Singh et al. 2014) scale stands further substantiated-offering this scale as a promising new assessment tool. PMID- 27864745 TI - Use of Sedatives, Antidepressants and Antipsychotic Medicine among Seventh-day Adventists and Baptists in Denmark. AB - Earlier it has been found that female Seventh-day Adventists (SDA) and Baptists have an increased incidence of psychiatric affective disorders, in contrast to findings that religious practice is associated with better health. In this study, we examined whether the increase in incidence is due to less use of prescribed antidepressants, sedatives and antipsychotics by members of these religious societies than by the general population. In a cohort study, we examined records of all drugs redeemed by 3121 SDA and 2888 Baptists and 29,817 age- and gender matched members of the general population between 1995 and 2010 in the Danish Prescription Register and compared the prevalence and incidence of use of antidepressants, sedatives and antipsychotics. The prevalence of antidepressant use by women was lower in 1998 but no different from that in controls in 2003 and 2008; the prevalence of antidepressant use by men was higher in both 1998 and 2008 than in the Danish population. The incidence of antidepressant use was lower for female members in 1996-2000, but no difference was observed in the other periods. The prevalence and incidence of use of sedatives and antipsychotics did not consistently differ from those of the general population. The prevalence and incidence of use of antidepressants, sedatives and antipsychotics by female SDA and Baptists were not consistently lower than in the general Danish population. Our findings hence do not explain the increased incidence of psychiatric disorders among female members of these Danish religious societies. PMID- 27864744 TI - A Generic Multi-Compartmental CNS Distribution Model Structure for 9 Drugs Allows Prediction of Human Brain Target Site Concentrations. AB - PURPOSE: Predicting target site drug concentration in the brain is of key importance for the successful development of drugs acting on the central nervous system. We propose a generic mathematical model to describe the pharmacokinetics in brain compartments, and apply this model to predict human brain disposition. METHODS: A mathematical model consisting of several physiological brain compartments in the rat was developed using rich concentration-time profiles from nine structurally diverse drugs in plasma, brain extracellular fluid, and two cerebrospinal fluid compartments. The effect of active drug transporters was also accounted for. Subsequently, the model was translated to predict human concentration-time profiles for acetaminophen and morphine, by scaling or replacing system- and drug-specific parameters in the model. RESULTS: A common model structure was identified that adequately described the rat pharmacokinetic profiles for each of the nine drugs across brain compartments, with good precision of structural model parameters (relative standard error <37.5%). The model predicted the human concentration-time profiles in different brain compartments well (symmetric mean absolute percentage error <90%). CONCLUSIONS: A multi-compartmental brain pharmacokinetic model was developed and its structure could adequately describe data across nine different drugs. The model could be successfully translated to predict human brain concentrations. PMID- 27864747 TI - Surgical Management of Metastatic Colorectal Cancer: A Single-Centre Experience on Oncological Outcomes of Pulmonary Resection vs Cytoreductive Surgery and HIPEC. AB - PURPOSE: Metastasectomy is accepted as standard of care for selected patients with colorectal pulmonary metastases (CLM); however, the role of cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC) for colorectal peritoneal metastases (CPM) is not universally accepted. We aim to compare oncological outcomes of patients with CLM and CPM after pulmonary resection and CRS-HIPEC, respectively, by comparing overall survival (OS) and disease-free survival (DFS). METHODS: A retrospective review of 49 CLM patients who underwent pulmonary resection, and 52 CPM patients who underwent CRS-HIPEC in a single institution from January 2003 to March 2015, was performed. RESULTS: The 5-year OS for CLM patients and CPM patients were 59.6 and 40.5%, respectively (p = 0.100), while the 5-year DFS were 24.0 and 14.2%, respectively (p = 0.173). CPM patients had longer median operative time (8.38 vs. 1.75 h, p < 0.001), median hospital stay (13 vs. 5 days, p < 0.001), a higher rate of intensive care unit (ICU) admissions (67.3 vs. 8.2%, p < 0.001), and a higher rate of high-grade complications (17.3 vs. 4.1%, p < 0.001). Multivariate analysis demonstrated that recurrent lung metastasis after metastasectomy was an independent prognostic factor for OS of CLM patients (OR = 0.045, 95%, CL 0.003-0.622, p = 0.021). There were no independent prognostic factors for OS in CPM patients by multivariate analysis. There were no independent prognostic factors for DFS in CLM patients by multivariate analysis, but peritoneal cancer index score, bladder involvement, and higher nodal stage at presentation of the initial malignancy were independent prognostic factors for DFS in CPM patients. CONCLUSIONS: OS and DFS for CPM patients after CRS and HIPEC are comparable to CLM patients after lung resection, although morbidity appears higher. The prognostic factors affecting survival after surgery are different between CPM and CLM patients and must be considered when selecting patients for metastasectomy. PMID- 27864749 TI - Incidence and Impact of Unintentional Childhood Injuries: A Community Based Study in Rural South India. AB - OBJECTIVE: To estimate the incidence of unintentional childhood injuries and to assess the impact of injury during childhood. METHODS: This is a cross sectional study, conducted in 13 clusters of a rural block in Vellore. Children were screened by two-stage cluster sampling method by two weeks and three months recall method. The primary caregivers of injured children were administered a questionnaire to assess the impact of the injury. RESULTS: Childhood injury related morbidity was 292.5 per 1000 y. Children between 10 and 14 y (4.6%) and boys (4.5%) had a higher rate of injury. Fall (43.1 %) was the most common cause of injury followed by RTIs (Road Traffic Incidents- 27.6%). Work absenteeism for primary caregivers ranged from 1 to 60 (IQR 2-7) days. Sickness absenteeism ranged from 1 to 45 d with a mean of 7.64 (IQR 2-7) days. Half of the children missed school after an injury. The days spent with temporary disability ranged from 1 to 60 d with a mean of 11.79 (IQR 2-7) d and 7.73% had permanent disability. CONCLUSIONS: Unintentional childhood injury is a neglected public health problem which leads to sickness absenteeism and disability. Boys and older children are the most common victims of injury. There is a need for establishing state or nationwide injury registries to help understand accurate estimates of disability-adjusted life year (DALY) and loss of productivity. PMID- 27864750 TI - Survival and Short Term Outcomes of Very Preterm Infants. PMID- 27864748 TI - IRS1 and IRS2: molecular characterization, tissue expression and transcriptional regulation by insulin in yellow catfish Pelteobagrus fulvidraco. AB - The insulin receptor substrate (IRS) proteins, in particular, IRS1 and IRS2, are the key downstream players of insulin signaling pathway and the regulation of lipid metabolism. In the present study, two genes of IRS (IRS1 and IRS2) were isolated and characterized from yellow catfish Pelteobagrus fulvidraco. Their molecular characterizations, tissue expressions, and transcriptional levels by insulin both in vivo and in vitro were determined. The validated complementary DNAs encoding for IRS1 and IRS2 were 3693 and 3177 bp in length, encoding proteins of 1230 and 1058 amino acid residues, respectively. Similarly to mammals, amino acid sequence alignment revealed that IRSs contained an N-terminal pleckstrin homology (PH) domain, a phosphotyrosine-binding (PTB) domain, and several C-terminal multiple sites of tyrosine phosphorylation. Both IRS1 and IRS2 were widely expressed across the ten tissues (liver, white muscle, spleen, brain, gill, mesenteric fat, anterior intestine, heart, mid-kidney, and ovary), but at the variable levels. Insulin injection at 1 MUg/g in vivo significantly stimulated the messenger RNA (mRNA) expression of IRS2, but not IRS1 mRNA expression levels in the liver of yellow catfish after 48 h. In hepatocytes of yellow catfish, insulin incubation significantly stimulated the IRS1 (at a 1000 nM insulin group) and IRS2 (at both 100 and 1000 nM insulin groups) mRNA expressions, which indicated that IRS2 was more sensitive than IRS1 to insulin stimulation in the liver of yellow catfish, and IRS2 played a more important role in mediating insulin's effects on the liver metabolism. The present study serves to increase our understanding into the function of IRS in fish. PMID- 27864752 TI - Real-Time Analysis of the Apical Hook Development. AB - Mechanisms for cell protection are essential for survival of multicellular organisms. In plants, the apical hook, which is transiently formed in darkness when the germinating seedling penetrates towards the soil surface, plays such protective role and shields the vitally important shoot apical meristem and cotyledons from damage. The apical hook is formed by bending of the upper hypocotyl soon after germination, and it is maintained in a closed stage while the hypocotyl continues to penetrate through the soil and rapidly opens when exposed to light in proximity of the soil surface. To uncover the complex molecular network orchestrating this spatiotemporally tightly coordinated process, monitoring of the apical hook development in real time is indispensable. Here we describe an imaging platform that enables high-resolution kinetic analysis of this dynamic developmental process. PMID- 27864751 TI - Defining the Risk and Associated Morbidity and Mortality of Severe Respiratory Syncytial Virus Infection Among Infants with Chronic Lung Disease. AB - INTRODUCTION: The REGAL (RSV evidence-a geographical archive of the literature) series provide a comprehensive review of the published evidence in the field of respiratory syncytial virus (RSV) in Western countries over the last 20 years. This third publication covers the risk and burden of RSV infection in infants with chronic lung disease (CLD), formerly called bronchopulmonary dysplasia (BPD). METHODS: A systematic review was undertaken of publications between January 1, 1995 and December 31, 2015 across PubMed, Embase, The Cochrane Library, and Clinicaltrials.gov. Studies reporting data for hospital visits/admissions for RSV infection among infants with CLD/BPD who were not prophylaxed, as well as studies reporting RSV-associated morbidity, mortality, and healthcare costs, were included. Burdens of disease data were compared with preterm infants without CLD/BPD, other high-risk groups and term infants. Study quality and strength of evidence (SOE) were graded using recognized criteria. RESULTS: A total of 1837 studies were identified and 39 were included. CLD/BPD is a significant independent risk factor for RSV hospitalization [RSVH (odds ratio 2.2-7.2); high SOE]. Infants and young children with CLD/BPD had high RSVH rates which were generally similar in Europe, the United States, and Canada, mostly varying between 12 and 21%. Infants with CLD also had a longer length of hospital stay than other high-risk groups and term infants (high SOE). On average, infants spent 4-11 days in hospital (moderate SOE). Once hospitalized for RSV, affected children were at risk for a more severe course of disease than children with no RSVH (moderate SOE). CONCLUSION: Severe RSV infection in infants and young children with CLD/BPD poses a significant health burden in Western countries. Further studies focussing on the burden of RSV infection in this well-recognized population at high risk for severe disease are needed to help improve outcomes and plan allocation of healthcare resources. FUNDING: AbbVie. PMID- 27864753 TI - Grafting with Arabidopsis thaliana. AB - Generating chimeric organisms is an invaluable way to study cell-to-cell movement and non-cell-autonomous actions of molecules. Plant grafting is an ancient method of generating chimeric organisms and recently has been used to study the movement of hormones, proteins, and RNAs. Here, I describe a simple and efficient way to graft Arabidopsis thaliana at the seedling stage to generate plants with roots and shoots of different genotypes. Using this protocol, success rates of over 80 % with up to 80 grafts assembled per hour can be achieved. PMID- 27864754 TI - Tips and Tricks for Exogenous Application of Synthetic Post-translationally Modified Peptides to Plants. AB - The first signaling peptide discovered and purified was insulin in 1921. However, it was not until 1991 that the first peptide signal, systemin, was discovered in plants. Since the discovery of systemin, peptides have emerged as a potent and diverse class of signaling molecules in plant systems. Peptides consist of small amino acid sequences, which often act as ligands of receptor kinases. However, not all peptides are created equal, and signaling peptides are grouped into several subgroups dependent on the type of post-translational processing they undergo. Here, we focus on the application of synthetic, post-translationally modified peptides (PTMPs) to plant systems, describing several methods appropriate for the use of peptides in Arabidopsis thaliana and crop models. PMID- 27864755 TI - Assaying Germination and Seedling Responses of Arabidopsis to Karrikins. AB - Karrikins are a small family of naturally occurring plant growth regulators present in the smoke and char produced from burning plant material in wildfires. They can stimulate germination of dormant seed and can influence seedling morphogenesis. Although Arabidopsis thaliana is not considered to be a smoke responsive species, karrikins will stimulate seed germination under the appropriate circumstances and will cause repression of hypocotyl elongation in low light. This chapter describes how to conduct assays of the activity of karrikins on Arabidopsis seeds and seedlings. The methods presented can potentially be modified for use in a range of Arabidopsis genotypes or in other plant species. PMID- 27864756 TI - Low-Cost Microprocessor-Controlled Rotating Stage for Medium-Throughput Time Lapse Plant Phenotyping. AB - Here we provide the instructions to build a cost-friendly rotating stage, which enables time-lapse phenotyping of seedlings, grown vertically on in vitro plates, in a medium-throughput manner. PMID- 27864757 TI - Genome-Wide Association Mapping of Root Traits in the Context of Plant Hormone Research. AB - Genome-wide association (GWA) mapping is a powerful method for the identification of alleles that underlie quantitative traits. It enables one to understand how genetic variation translates into phenotypic variation. In particular, plant hormone signaling pathways play a key role in shaping phenotypes. This chapter presents a protocol for genome-wide association mapping of root traits of Arabidopsis thaliana in the context of hormone research. We describe a specific protocol for acquiring primary and lateral root trait data that is appropriate for GWA studies using FIJI (ImageJ), and subsequent GWA mapping using a user friendly Internet application. PMID- 27864758 TI - High-Throughput Scoring of Seed Germination. AB - High-throughput analysis of seed germination for phenotyping large genetic populations or mutant collections is very labor intensive and would highly benefit from an automated setup. Although very often used, the total germination percentage after a nominated period of time is not very informative as it lacks information about start, rate, and uniformity of germination, which are highly indicative of such traits as dormancy, stress tolerance, and seed longevity. The calculation of cumulative germination curves requires information about germination percentage at various time points. We developed the GERMINATOR package: a simple, highly cost-efficient, and flexible procedure for high throughput automatic scoring and evaluation of germination that can be implemented without the use of complex robotics. The GERMINATOR package contains three modules: (I) design of experimental setup with various options to replicate and randomize samples; (II) automatic scoring of germination based on the color contrast between the protruding radicle and seed coat on a single image; and (III) curve fitting of cumulative germination data and the extraction, recap, and visualization of the various germination parameters. GERMINATOR is a freely available package that allows the monitoring and analysis of several thousands of germination tests, several times a day by a single person. PMID- 27864759 TI - Histochemical Staining of beta-Glucuronidase and Its Spatial Quantification. AB - Microscope images of plant specimens showing expression of GUS markers, besides being very beautiful, provide useful information regarding various biological processes. However, the information extracted from these images is often purely qualitative, and in many publications is not subjected to quantification. Here, we describe a very simple quantification method for GUS histochemical staining that enables detection of subtle differences in gene expression at cellular, tissue, or organ level. The quantification method described is based on the freely available image analysis software ImageJ that is widely used by the scientific community. We exemplify the method by quantifying small and precise changes (at the cellular level) as well as broad changes (at the organ level) in the expression of two previously published reporter lines, such as the pPILS2::GUS and pPILS5::GUS. The method presented here represents an easy tool for converting visual information from GUS histochemical staining images into quantifiable data and is of general importance for plant biologists performing GUS activity-based evaluation of reporter genes. PMID- 27864760 TI - Imaging TCSn::GFP, a Synthetic Cytokinin Reporter, in Arabidopsis thaliana. AB - Cytokinins are classical plant hormones that control numerous developmental processes throughout the plant life cycle. Cytokinin-responsive cells activate transcription via a phospho-relay signaling network. Type-B nuclear RESPONSE REGULATOR (RR) proteins mediate transcriptional activation as the final step in the signaling cascade. They bind to promoters of immediate-early target genes via a conserved Myb-related DNA-binding domain. To monitor transcriptional activation in response to a cytokinin stimulus, we have constructed a synthetic promoter, TCS (two-component signaling sensor) that harbors the concatemerized binding motifs for activated type-B RR in an optimized configuration. Here, we describe our protocols for imaging TCSn::GFP expression in transgenic Arabidopsis plants. The use of the fluorescent reporter GFP allows the visualization of cytokinin responding cells by fluorescent microscopy without the need for tissue processing steps, or staining reactions. This method is fast and with a low risk of artifacts. However, since cytokinin signaling integrates various environmental information including light, nutrient status, and biotic and abiotic stress, special care needs to be devoted to the control of growth conditions. PMID- 27864761 TI - Highlighting Gibberellins Accumulation Sites in Arabidopsis thaliana Root Using Fluorescently Labeled Gibberellins. AB - The physical location of plant hormones is an important factor in maintaining their proper metabolism, perception, and mediated developmental responses. Thus, unveiling plant hormones dynamics at the molecule's level is essential for a comprehensive, detailed understanding of both their functions and the regulative mechanisms they are subjected to. Here, we describe the use of fluorescently labeled, bioactive gibberellins (GAs) to highlight the dynamic distribution and accumulation sites of bioactive GAs in Arabidopsis thaliana roots by confocal microscopy. PMID- 27864762 TI - In Silico Methods for Cell Annotation, Quantification of Gene Expression, and Cell Geometry at Single-Cell Resolution Using 3DCellAtlas. AB - A comprehensive understanding of plant growth and development requires the integration of the spatial and temporal dynamics of gene regulatory networks with changes in cellular geometry during 3D organ growth. 3DCellAtlas is an integrative computational pipeline that semi-automatically identifies cell type and position within radially symmetric plant organs, and simultaneously quantifies 3D cell anisotropy and reporter abundance at single-cell resolution. It is a powerful tool that generates digital single-cell cellular atlases of plant organs and enables 3D cell geometry and reporter abundance (gene/protein/biosensor) from multiple samples to be integrated at single-cell resolution across whole organs. Here we describe how to use 3DCellAtlas to process and analyze radially symmetric organs, and to identify cell types and extract geometric cell data within these 3D cellular datasets. We detail how to use two statistical tools in 3DCellAtlas to compare cellular geometries, and to analyze reporter abundance at single-cell resolution. PMID- 27864763 TI - Analyzing Cell Wall Elasticity After Hormone Treatment: An Example Using Tobacco BY-2 Cells and Auxin. AB - Atomic force microscopy, and related nano-indentation techniques, is a valuable tool for analyzing the elastic properties of plant cell walls as they relate to changes in cell wall chemistry, changes in development, and response to hormones. Within this chapter I will describe a method for analyzing the effect of the phytohormone auxin on the cell wall elasticity of tobacco BY-2 cells. This general method may be easily altered for different experimental systems and hormones of interest. PMID- 27864764 TI - FRET-FLIM for Visualizing and Quantifying Protein Interactions in Live Plant Cells. AB - Proteins are the workhorses that control most biological processes in living cells. Although proteins can accomplish their functions independently, the vast majority of functions require proteins to interact with other proteins or biomacromolecules. Protein interactions can be investigated through biochemical assays such as co-immunoprecipitation (co-IP) or Western blot analysis, but such assays lack spatial information. Here we describe a well-developed imaging method, Forster resonance energy transfer (FRET) analyzed by fluorescence lifetime imaging microscopy (FLIM), that can be used to visualize protein interactions with both spatial and temporal resolution in live cells. We demonstrate its use in plant developmental research by visualizing in vivo dimerization of AUXIN RESPONSE FACTOR (ARF) proteins, mediating auxin responses. PMID- 27864765 TI - In Vivo Identification of Plant Protein Complexes Using IP-MS/MS. AB - Individual proteins often function as part of a protein complex. The identification of interacting proteins is therefore vital to understand the biological role and function of the studied protein. Here we describe a method for the in vivo identification of nuclear, cytoplasmic, and membrane-associated protein complexes from plant tissues using a strategy of immunoprecipitation followed by tandem mass spectrometry. By performing quantitative mass spectrometry measurements on biological triplicates, relative abundance of proteins in GFP-tagged complexes compared to background controls can be statistically evaluated to identify high-confidence interactors. We detail the entire workflow of this approach. PMID- 27864766 TI - Assaying Auxin Receptor Activity Using SPR Assays with F-Box Proteins and Aux/IAA Degrons. AB - The identification of TIR1 as an auxin receptor combined with advanced biophysical instrumentation has led to the development of real-time activity assays for auxins. Traditionally, molecules have been assessed for auxinic activity using bioassays, and agrochemical compound discovery continues to be based on "spray and pray" technologies. Here, we describe the methodology behind an SPR-based assay that uses TIR1 and related F-box proteins with surface plasmon resonance spectrometry for rapid compound screening. In addition, methods for collecting kinetic binding data and data processing are given so that they may support programs for rational design of novel auxin ligands. PMID- 27864767 TI - Studying Transcription Factor Binding to Specific Genomic Loci by Chromatin Immunoprecipitation (ChIP). AB - Plant hormone signaling involves complex transcriptional networks, where transcription factors orchestrate the control of specific gene expression. These networks include cross talk between hormone signaling pathways, and the integration of environmental signals and the developmental program. Understanding how particular transcription factors respond and integrate specific signals is crucial in order to understand the basic mechanisms of hormonal signaling and cross talk. Studying transcription factor binding at specific genomic loci by chromatin immunoprecipitation (ChIP) is therefore a valuable technique in order to analyze transcriptional regulation. The method is based on cross-linking proteins to DNA, the isolation of chromatin, and immunoprecipitation of a transcription factor of interest. The attached DNA is then recovered and analyzed by quantitative real-time PCR in order to establish binding sites of the respective transcription factor. Here, we present a relatively simple and short protocol for ChIP on single loci. PMID- 27864768 TI - Hormone Receptor Glycosylation. AB - Glycosylation is essential for all trees of life. N-glycosylation is one of the most common covalent protein modifications and influences a large variety of cellular processes including protein folding, quality control and protein receptor interactions. Despite recent progress in understanding of N-glycan biosynthesis, our knowledge of N-glycan function on individual plant proteins is still very limited. In this respect, plant hormone receptors are an interesting group of proteins as several of these proteins are present at distinct sites in the secretory pathway or at the plasma membrane and have numerous potential N glycosylation sites. Identifying and characterization of N-glycan structures on these proteins is essential to investigate the functional role of this abundant protein modification. Here, a straightforward immunoblot-based approach is presented that enables the analysis of N-glycosylation on endogenous hormone receptors like the brassinosteroid receptor BRI1. PMID- 27864769 TI - Highly Sensitive Salicylic Acid Quantification in Milligram Amounts of Plant Tissue. AB - Technical advances in mass spectrometry constantly raise the bar for analyzing trace amounts of plant hormones in only very small amounts of tissue. Here, a highly sensitive and accurate method is described for the quantitative analysis of the plant hormone salicylic acid not only in the model plant Arabidopsis thaliana but also in other plant species. The presented method is optimized for the working up of as little as 20 to 50 mg of plant tissue. The discussed protocol and the utilized laboratory equipment facilitate the implementation of the method into other laboratories that possess access to adequate state-of-the art gas chromatography-mass spectrometry (GC-MS) equipment. PMID- 27864770 TI - High-Resolution Cell-Type Specific Analysis of Cytokinins in Sorted Root Cell Populations of Arabidopsis thaliana. AB - We describe a method combining fluorescence-activated cell sorting (FACS) with one-step miniaturized isolation and accurate quantification of cytokinins (CKs) using ultra-high performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) to measure these phytohormones in specific cell types of Arabidopsis thaliana roots. The methodology provides information of unprecedented resolution about spatial distributions of CKs, and thus should facilitate attempts to elucidate regulatory networks involved in root developmental processes. PMID- 27864771 TI - Hormone Profiling in Plant Tissues. AB - Plant hormones are for a long time known to act as chemical messengers in the regulation of physiological processes during a plant's life cycle, from germination to senescence. Furthermore, plant hormones simultaneously coordinate physiological responses to biotic and abiotic stresses. To study the hormonal regulation of physiological processes, three main approaches have been used (1) exogenous application of hormones, (2) correlative studies through measurements of endogenous hormone levels, and (3) use of transgenic and/or mutant plants altered in hormone metabolism or signaling. A plant hormone profiling method is useful to unravel cross talk between hormones and help unravel the hormonal regulation of physiological processes in studies using any of the aforementioned approaches. However, hormone profiling is still particularly challenging due to their very low abundance in plant tissues. In this chapter, a sensitive, rapid, and accurate method to quantify all the five "classic" classes of plant hormones plus other plant growth regulators, such as jasmonates, salicylic acid, melatonin, and brassinosteroids is described. The method includes a fast and simple extraction procedure without time consuming steps as purification or derivatization, followed by optimized ultrahigh-performance liquid chromatography coupled to electrospray ionization-tandem mass spectrometry (UHPLC-MS/MS) analysis. This protocol facilitates the high-throughput analysis of hormone profiling and is applicable to different plant tissues. PMID- 27864772 TI - Use of Xenopus laevis Oocytes to Study Auxin Transport. AB - Xenopus laevis oocytes are an expression system that is particularly well suited for the characterization of membrane transporters. Oocytes possess only very little endogenous transport systems and therefore transporters can be studied with a high signal-to-noise ratio. This book chapter provides the basic methods to use Xenopus oocytes for the characterization of transporters by radiotracer experiments. While the methods described here were established to study auxin transport they can easily be adapted to study other hormone transporters and their substrates. PMID- 27864773 TI - Characterizing Auxin Response Circuits in Saccharomyces cerevisiae by Flow Cytometry. AB - Recapitulation of the nuclear auxin response pathway in Saccharomyces cerevisiae (yeast) provides a means to functionally assay the contribution of individual signaling components to response dynamics. Here, we describe a time course assay for characterizing auxin response circuits using flow cytometry. This method allows for quantitative measurements of the dynamic response of up to 12 circuits (strains) at once. We also describe a steady-state assay and how to utilize an R package we developed to facilitate data analysis. PMID- 27864774 TI - Comparison of an automatic analysis and a manual analysis of conjunctival microcirculation in a sheep model of haemorrhagic shock. AB - BACKGROUND: Life-threatening diseases of critically ill patients are known to derange microcirculation. Automatic analysis of microcirculation would provide a bedside diagnostic tool for microcirculatory disorders and allow immediate therapeutic decisions based upon microcirculation analysis. METHODS: After induction of general anaesthesia and instrumentation for haemodynamic monitoring, haemorrhagic shock was induced in ten female sheep by stepwise blood withdrawal of 3 * 10 mL per kilogram body weight. Before and after the induction of haemorrhagic shock, haemodynamic variables, samples for blood gas analysis, and videos of conjunctival microcirculation were obtained by incident dark field illumination microscopy. Microcirculatory videos were analysed (1) manually with AVA software version 3.2 by an experienced user and (2) automatically by AVA software version 4.2 for total vessel density (TVD), perfused vessel density (PVD) and proportion of perfused vessels (PPV). Correlation between the two analysis methods was examined by intraclass correlation coefficient and Bland Altman analysis. RESULTS: The induction of haemorrhagic shock decreased the mean arterial pressure (from 87 +/- 11 to 40 +/- 7 mmHg; p < 0.001); stroke volume index (from 38 +/- 14 to 20 +/- 5 ml.m-2; p = 0.001) and cardiac index (from 2.9 +/- 0.9 to 1.8 +/- 0.5 L.min-1.m-2; p < 0.001) and increased the heart rate (from 72 +/- 9 to 87 +/- 11 bpm; p < 0.001) and lactate concentration (from 0.9 +/- 0.3 to 2.0 +/- 0.6 mmol.L-1; p = 0.001). Manual analysis showed no change in TVD (17.8 +/- 4.2 to 17.8 +/- 3.8 mm*mm-2; p = 0.993), whereas PVD (from 15.6 +/- 4.6 to 11.5 +/- 6.5 mm*mm-2; p = 0.041) and PPV (from 85.9 +/- 11.8 to 62.7 +/- 29.6%; p = 0.017) decreased significantly. Automatic analysis was not able to identify these changes. Correlation analysis showed a poor correlation between the analysis methods and a wide spread of values in Bland-Altman analysis. CONCLUSIONS: As characteristic changes in microcirculation during ovine haemorrhagic shock were not detected by automatic analysis and correlation between automatic and manual analyses (current gold standard) was poor, the use of the investigated software for automatic analysis of microcirculation cannot be recommended in its current version at least in the investigated model. Further improvements in automatic vessel detection are needed before its routine use. PMID- 27864775 TI - Assessing mercury contamination in a tropical coastal system using the mussel Perna perna and the sea anemone Bunodosoma caissarum. AB - Total mercury concentrations in the mussel Perna perna and the sea anemone Bunodosoma caissarum were determined to assess Hg contamination in Guanabara Bay, Rio de Janeiro, Brazil, and an adjacent sea area. Concentrations in the tissues of these species were compared. Average total mercury concentrations ranged from 3.54 to 21.01 MUg kg-1 (wet wt.) in P. perna and from 4.51 to 23.19 MUg kg-1 (wet wt.) for B. caissarum. Concentrations varied according to the sampling stations. Distribution of concentrations for both species was similar along the sampling stations, and a significant correlation was observed. Results suggest that B. caissarum could be a suitable biomonitor species for mercury contamination in the study area and could be used as a complementary species for monitoring studies. Further research is, however, needed to assess how environmental conditions and other variables affect Hg concentrations in B. caissarum. PMID- 27864776 TI - Potable water quality monitoring of primary schools in Magura district, Bangladesh: children's health risk assessment. AB - Safe potable water is essential for good health. Worldwide, school-aged children especially in the developing countries are suffering from various water-borne diseases. In the study, drinking water supplies for primary school children were monitored at Magura district, Bangladesh, to ensure safe potable water. APHA standard analytical methods were applied for determining the physicochemical parameters of the water samples. For determination of the essential physicochemical parameters, the samples were collected from 20 randomly selected tube wells of primary schools at Magura. The metal contents, especially arsenic (As), iron (Fe), and manganese (Mn), in the water samples were analyzed by atomic absorption spectroscopy. The range of physicochemical parameters found in water samples were as follows: pH 7.05-9.03, electrical conductivity 400-2340 MUS/cm, chloride 10-640 mg/L, hardness 200-535 mg/L as CaCO3, and total dissolved solids 208-1216 mg/L. The level of metals in the tube well water samples were as follows: As 1 to 55 MUg/L, Fe 40 to 9890 MUg/L, and Mn 10 to 370 MUg/L. Drinking water parameters of Magura district did not meet the requirement of the World Health Organization drinking water quality guideline, or the Drinking Water Quality Standards of Bangladesh. PMID- 27864778 TI - A Serious Games Platform for Cognitive Rehabilitation with Preliminary Evaluation. AB - In recent years Serious Games have evolved substantially, solving problems in diverse areas. In particular, in Cognitive Rehabilitation, Serious Games assume a relevant role. Traditional cognitive therapies are often considered repetitive and discouraging for patients and Serious Games can be used to create more dynamic rehabilitation processes, holding patients' attention throughout the process and motivating them during their road to recovery. This paper reviews Serious Games and user interfaces in rehabilitation area and details a Serious Games platform for Cognitive Rehabilitation that includes a set of features such as: natural and multimodal user interfaces and social features (competition, collaboration, and handicapping) which can contribute to augment the motivation of patients during the rehabilitation process. The web platform was tested with healthy subjects. Results of this preliminary evaluation show the motivation and the interest of the participants by playing the games. PMID- 27864777 TI - Bioaccumulation and cancer risk of polycyclic aromatic hydrocarbons in leafy vegetables grown in soils within automobile repair complex and environ in Uyo, Nigeria. AB - Using gas chromatography-mass spectrometry and an incremental lifetime cancer risks (ILCRs) assessment model, the bioaccumulation and cancer risk of 16 USEPA priority polycyclic aromatic hydrocarbons (PAHs) in leafy vegetables (Vernonia amygdalina and Lasianthera africanum) grown in soils within an automobile repair complex environment in Uyo, Nigeria was studied. The total PAHs concentrations recorded for soils ranged from 0.02 to 1.77 mg/kg. The highest level of 1.77 mg/kg was recorded for soils from the main automobile repair complex (site 1). Low molecular weight (LMW) PAHs were predominant although some high molecular weight (HMW) PAHs suites (0.04 mg/kg of chrysene and 0.04 of benzo[k]fluoranthene) were also found in site 1. The leafy vegetables accumulated PAHs were mostly LMW. Accumulation levels were similar but the extent of PAH uptake in vegetables was species dependent as V. amygdalina accumulated more (0.81 mg/kg). The bioaccumulation factors (BaFs) calculated ranged from 0.22 to 0.63 for L. africanum, and 0.18 to 0.55 for V. amygdalina in site 1 where high PAH levels were recorded in soil. Pearson correlation coefficient analysis revealed a strong positive relation between the PAH content of soil and the amount accumulated by L. africanum (r = 0.5) and V. amygdalina (r = 0.8) at p = 0.05. The vegetable's potential to bioaccumulate PAHs is indicative of their use as good bioindicators for PAH contamination in soil. Only two of the USEPA possible human carcinogenic PAHs were detected, and carcinogenic risk assessment based on occupational exposures to soil particles by adults revealed that the total risk level (7.17 * 10-5) contribution from incidental soil ingestion, dermal contact, and soil particle dust inhalation slightly exceed the USEPA acceptable limits (< 1.00 * 10-5). There is a need for public education on consumption of vegetables grown in and around automobile repair complexes across Nigeria. PMID- 27864779 TI - Activity of novel inhibitors of Staphylococcus aureus biofilms. AB - Staphylococcus aureus is one of the most important pathogens causing chronic biofilm infections. These are becoming more difficult to treat owing to drug resistance, particularly because S. aureus biofilms limit the efficacy of antimicrobial agents, leading to high morbidity and mortality. In the present study, we screened for inhibitors of S. aureus biofilm formation using a natural product library from the Korea Chemical Bank (KCB). Screening by crystal violet based biomass staining assay identified hit compounds. Further examination of antibiofilm properties of these compounds was conducted and led to the identification of celastrol and telithromycin. In vitro, both celastrol and telithromycin were toxic to planktonic S. aureus and also active against a clinical methicillin-resistant S. aureus (MRSA) isolate. The effect of the compounds on preformed biofilms of clinical MRSA isolates was evaluated by confocal laser scanning microscopy (CLSM), which revealed the absence of typical biofilm architecture. In addition, celastrol and telithromycin inhibited the production of extracellular protein at selected sub-MIC concentrations, which revealed the reduced extracellular polymeric substance (EPS) secretion. Celastrol exhibited greater cytotoxicity than telithromycin. These data suggest that the hit compounds, especially telithromycin, could be considered novel inhibitors of S. aureus biofilm. Although the mechanisms of the effects on S. aureus biofilms are not fully understood, our data suggest that telithromycin could be a useful adjuvant therapeutic agent for S. aureus biofilm-related infections. PMID- 27864781 TI - Isolation, Identification and High-Throughput Screening of Neutral Lipid Producing Indigenous Microalgae from South African Aquatic Habitats. AB - Exploring indigenous microalgae capable of producing significant amounts of neutral lipids through high-throughput screening is crucial for sustainable biodiesel production. In this study, 31 indigenous microalgal strains were isolated from diverse aquatic habitats in KwaZulu-Natal, South Africa. Eight superior lipid-producing strains were selected for further analysis, based on Nile red fluorescence microscopy screening. The microalgal isolates were identified to belong to the genera Chlorella, Neochloris and Chlamydomonas via morpho-taxonomic and molecular approach by 18S rRNA gene sequencing. Chlorella vulgaris PH2 had the highest specific growth rate (MU) and lowest doubling time of 0.24 day-1 and 2.89 +/- 0.05 day-1, respectively. Chlorella vulgaris T4 had the highest biomass productivity of 35.71 +/- 0.03 mg L-1day-1. Chlorella vulgaris PH2 had the highest lipid content of 34.28 +/- 0.47 and 38 +/- 9.2% (dcw) as determined by gravimetric analysis and the sulfo-phospho-vanillin (SPV) method, respectively. Chlorella vulgaris PH2 exhibited a high content of saturated fatty acids, while Chlorella sp. T4 exhibited a high total content of saturated and monounsaturated fatty acids with a low content of polyunsaturated fatty acids. The preponderance of neutral lipids suggests that Chlorella sp. T4 is a suitable candidate for biomass feedstock for biodiesel production. PMID- 27864780 TI - Inhibition of the nuclear export of p65 and IQCG in leukemogenesis by NUP98-IQCG. AB - NUP98 fuses with approximately 34 different partner genes via translocation in hematological malignancies. Transgenic or retrovirus-mediated bone marrow transplanted mouse models reveal the leukemogenesis of some NUP98-related fusion genes. We previously reported the fusion protein NUP98-IQ motif containing G (IQCG) in a myeloid/T lymphoid bi-phenoleukemia patient with t(3;11) and confirmed its leukemogenic ability. Herein, we demonstrated the association of NUP98-IQCG with CRM1, and found that NUP98-IQCG expression inhibits the CRM1 mediated nuclear export of p65 and enhances the transcriptional activity of nuclear factor-kappaB. Moreover, IQCG could be entrapped in the nucleus by NUP98 IQCG, and the fusion protein interacts with calmodulin via the IQ motif in a calcium-independent manner. Therefore, the inhibition of nuclear exports of p65 and IQCG might contribute to the leukemogenesis of NUP98-IQCG. PMID- 27864782 TI - The cost of inpatient management of heart failure patients: a microcosting study in the Irish healthcare setting. AB - AIMS: To formally assess the resource use and cost of the inpatient treatment of heart failure (HF) from the health-payer's perspective. In addition, to compare costs in our cohort to (a) locally derived patient-level costs (PLC) and (b) national costs as per disease-related group (DRG). METHODS AND RESULTS: Study population Demographics and resource utilisation data were obtained from a cohort of 30 patients (57% male, mean age 70 years) admitted into a single tertiary centre with heart failure. Patients were identified retrospectively. Costing A microcosting approach was used to examine admission costs that were compared to PLC costs and DRG costs. Main outcome measure The bootstrap estimation was used to determine mean inpatient length of stay (LOS) with standard deviation (+/-SD) and mean costs +/-SD. RESULTS: The bootstrapped mean cost per HF episode was ?10,474 +/- 2478. The major cost drivers were ward stay (mean cost ?6068 +/- ?1681): laboratory costs (?1373 +/- 79) and cath lab costs (?1415 +/- 729). HF was more expensive to manage in patients <=65 years (?18,930 +/- 5546) compared to those aged over 65 years (?6209 +/- 1732); p = 0.001. No significant difference was found in managing heart failure in males (?11,035 +/- 3564) versus females (?9629 +/- 3294), p = 0.69. DRG costing frequently over or underestimated the admission cost. PLC costs were similar to microcosting derived costs. The bootstrapped mean LOS per HF episode was 15.7 days +/- 3.4. CONCLUSIONS: This study confirms that heart failure is a costly condition and that inpatient stay is the major cost driver. HF was significantly more expensive to manage in patients <=65 years compared to those aged over 65 years. DRG costing frequently over or underestimated the admission cost. Patient-level costs and microcosting are more accurate methods of costing inpatient HF admissions. To our knowledge, this is the first study of the cost of the inpatient treatment of HF within the context of the Irish healthcare setting. PMID- 27864784 TI - Capsule Commentary on Schiavoni et al., How Primary Care Physicians Integrate Price Information into Clinical Decision Making. PMID- 27864785 TI - Isolation Precautions for Hospitalized Patients: The Challenges of Identifying Unintended Individual Consequences and Measuring the Prevention of Community Harm. PMID- 27864783 TI - miR-26a-5p suppresses tumor metastasis by regulating EMT and is associated with prognosis in HCC. AB - OBJECTIVE: To determine the role of miR-26a-5p in tumor invasion and metastasis in hepatocellular carcinoma (HCC). METHODS: We evaluated miR-26a-5p expression in HCC tissues by quantitative PCR and then analyzed its clinical significance using a Cox regression model. Transwell and nude mouse models were used to examine tumor metastasis in vitro and in vivo, respectively. The relationship between miR 26a-5p and epithelial-mesenchymal transition was also investigated by q-PCR and western blot. RESULTS: Strong downregulation of miR-26a-5p was observed in tumor tissues compared to paired adjacent normal tissues. Moreover, patients with low miR-26a-5p expression had a significantly poorer prognosis than those with high expression. The multivariate analysis indicated that miR-26a-5p expression was an independent prognostic indicator. The experimental transwell model and athymic mouse model revealed that miR-26a-5p depressed tumor metastasis in vitro and in vivo, respectively. In addition, the decreased miR-26a-5p level observed in HCC was associated with reduced E-cadherin expression and upregulation of vimentin, which affects the molecular mechanism of EMT. CONCLUSION: Downregulation of miR 26a-5p promotes tumor metastasis by targeting EMT and influences the prognosis of HCC patients. Therefore, miR-26a-5p has potential as a new biomarker and therapeutic target. PMID- 27864786 TI - Clinical pharmacokinetics of an amorphous solid dispersion tablet of elacridar. AB - Elacridar is an inhibitor of the permeability glycoprotein (P-gp) and the breast cancer resistance protein (BCRP) and is a promising absorption enhancer of drugs that are substrates of these drug-efflux transporters. However, elacridar is practically insoluble in water, resulting in low bioavailability which currently limits its clinical application. We evaluated the in vitro dissolution and clinical pharmacokinetics of a novel amorphous solid dispersion (ASD) tablet containing elacridar. The dissolution from ASD tablets was compared to that from a crystalline powder mixture in a USP type II dissolution apparatus. The pharmacokinetics of the ASD tablet were evaluated in an exploratory clinical study at oral doses of 25, 250, or 1000 mg in 12 healthy volunteers. A target Cmax was set at >= 200 ng/mL based on previous clinical data. The in vitro dissolution from the ASD tablet was 16.9 +/- 3.7 times higher compared to that from a crystalline powder mixture. Cmax and AUC0-infinity increased linearly with dose over the explored range. The target Cmax of >= 200 ng/mL was achieved at the 1000-mg dose level. At this dose, the Cmax and AUC0-infinity were 326 +/- 67 ng/mL and 13.4 +/- 8.6 . 103 ng . h/mL, respectively. In summary, the ASD tablet was well tolerated, resulted in relevant pharmacokinetic exposure, and can be used for proof-of-concept clinical studies. PMID- 27864787 TI - Glycaemic Effects of Non-statin Lipid-Lowering Therapies. AB - Since the publication of the JUPITER trial, attention has been focused on the adverse glycemic effects of statin therapy. Although the modest increase in the risk of new diabetes mellitus is outweighed by the reduction in cardiovascular events for statins, emerging biochemical and genetic links between lipid metabolism and glycemic control raise the prospect of a broader diabetogenic effect of lipid-lowering therapies. For the novel and powerful PCSK9-inhibitor class available evidence does not support a major glycaemic effect with the results of large scale trials awaited although preliminary genetic data does suggest a link. In contrast, there is clear evidence of a diabetogenic effect for the now outdated but well-studied niacin. For ezetimibe and fibrates, evidence is scarce but currently broadly unconcerning. For now, the glycemic effects of lipid lowering therapies should have a limited influence on clinical decision-making. Further study in this topical area is needed. PMID- 27864788 TI - Reply to the Letter to the Editor: Editor's Spotlight/Take 5: No Benefit after THA Performed with Computer-assisted Cup Placement: 10-year Results of a Randomized Controlled Study. PMID- 27864789 TI - Informational Support in Pediatric Oncology: Review of the Challenges Among Arab Families. AB - Childhood cancer and its invasive treatment is a distressing life experience for the child and his family. Providing informational support is an essential part of community care, and defining parent's burden is an important part of this goal. However, providing such information can be particularly challenging in Arab countries where beliefs, traditions, religion, and socioeconomic factors influence parents' needs and their priorities of needs. This article presents a review of these specificities among Arab families. Implications of health-care providers are also discussed. PMID- 27864791 TI - The Harms of Antipsychotic Drugs: Evidence from Key Studies. AB - This safety assessment provides a detailed analysis of key studies and focuses on the six most widely used antipsychotic drugs. Lines of evidence include mechanisms of action, short-term treatment of psychosis, relapse prevention, early intervention in schizophrenia, long-term comparisons between first- and second-generation agents, and flexible treatment algorithms. Despite the diversity of study settings, several common features were seen. All the agents obstruct normal signaling through widely dispersed dopamine D2 receptors. Treatment failure or psychosis relapse was the most frequent outcome in most key studies, ranging from 38 to 93%. High discontinuation rates caused most trials to fail to demonstrate a substantial treatment benefit, or difference from an active comparator. Assessment of harm to the extrapyramidal motor system was confounded because of extensive neurological impairment from previous antipsychotic drug treatment measured at baseline, abrupt discontinuation effects, and high rates of concomitant medications to manage drug adverse effects. Claims that second generation antipsychotic drugs have safety advantages over classical neuroleptic drugs and prevent relapse were not supported in these key studies. The extent of injury to and impairment of multiple body systems caused by antipsychotic drugs shows the need for a scientific, clinical, and regulatory reappraisal of the appropriate use of these agents. PMID- 27864790 TI - Understanding pacing postconditioning-mediated cardiac protection: a role of oxidative stress and a synergistic effect of adenosine. AB - We and others have demonstrated a protective role for pacing postconditioning (PPC) against ischemia/reperfusion (I/R) injury in the heart; however, the underlying mechanisms behind these protective effects are not completely understood. In this study, we wanted to further characterize PPC-mediated cardiac protection, specifically identify optimal pacing sites; examine the role of oxidative stress; and test the existence of a potential synergistic effect between PPC and adenosine. Isolated rat hearts were subjected to coronary occlusion followed by reperfusion. PPC involved three, 30 s, episodes of alternating left ventricular (LV) and right atrial (RA) pacing. Multiple pacing protocols with different pacing electrode locations were used. To test the involvement of oxidative stress, target-specific agonists or antagonists were infused at the beginning of reperfusion. Hemodynamic data were digitally recorded, and cardiac enzymes, oxidant, and antioxidant status were chemically measured. Pacing at the LV or RV but not at the heart apex or base significantly (P < 0.001) protected against ischemia-reperfusion injury. PPC-mediated protection was completely abrogated in the presence of reactive oxygen species (ROS) scavenger, ebselen; peroxynitrite (ONOO-) scavenger, uric acid; and nitric oxide synthase inhibitor, L-NAME. Nitric oxide (NO) donor, snap, however significantly (P < 0.05) protected the heart against I/R injury in the absence of PPC. The protective effects of PPC were significantly improved by adenosine. PPC stimulated protection can be achieved by alternating LV and RA pacing applied at the beginning of reperfusion. NO, ROS, and the product of their interaction ONOO- play a significant role in PPC-induced cardiac protection. Finally, the protective effects of PPC can be synergized with adenosine. PMID- 27864792 TI - Readmission Risk in Chronic Obstructive Pulmonary Disease Patients: Comparative Study of Nebulized beta2-Agonists. AB - BACKGROUND: Bronchodilators are used for managing the symptoms of chronic obstructive pulmonary disease (COPD) and minimizing the risk of hospitalization and readmission. Hospital readmission is predictive of morbidity and mortality. OBJECTIVE: The study objective was to compare all-cause readmission risk in COPD patients receiving nebulized long-acting beta2-agonists (neb-LABAs) versus nebulized short-acting beta2-agonists (neb-SABA) following COPD-related hospitalization discharge. METHODS: This retrospective analysis utilized US-based pharmacy and medical claims records (2001-2011) to identify COPD patients aged >=40 years receiving neb-LABA or neb-SABA treatment within 30 days following discharge from a COPD-related hospitalization. Patients had to be continuously enrolled in their health plan for >=6 months before and after their first neb LABA or neb-SABA prescription fill (index date), and adherent to the treatment for the first 3 months post-index date. To select patients with similar severity profiles, neb-LABA and neb-SABA patients were matched by baseline characteristics. Readmission risks were observed over the 6-month period following the index date and compared between neb-LABA and neb-SABA cohorts using the multiple variable Cox proportional hazards model. RESULTS: The analysis included 246 matched patients (neb-LABA = 123; neb-SABA = 123). The mean age was 67 years, and 54% were female. The average length of stay during index hospitalization was 4.4 days. After adjusting for potential confounders, the risk of readmission was 47% lower in the neb-LABA cohort than in the neb-SABA cohort (hazard ratio 0.53, 95% confidence interval 0.30-0.96; P = 0.0349). CONCLUSIONS: Patients receiving neb-LABAs had a significantly lower readmission risk within 6 months following a COPD-related hospitalization versus patients treated with neb SABAs. PMID- 27864793 TI - Serum Fatty Acid-Binding Protein 4 is Increased in Patients with Psoriasis. AB - Psoriasis is associated with metabolic syndrome and cardiovascular disease. Fatty acid-binding proteins (FABP) have been recognized as predictors of these systemic disorders. The aim of this study was to assess correlations between levels of serum heart and adipocyte fatty acid-binding proteins (FABP3, FABP4) and disease severity, indicators of inflammation or metabolic disturbances, and topical treatment in psoriatic patients. Thirty-seven patients with relapse of plaque type psoriasis and 16 healthy volunteers were recruited. Blood samples were collected before and after 14 days of therapy. Serum FABP concentrations were examined by enzyme-linked immunosorbent assay for correlation with Psoriasis Area and Severity Index (PASI), body mass index (BMI), inflammatory or metabolic parameters, and treatment used. The median FABP4 serum levels were significantly increased (p = 0.038) in psoriatic patients, while FABP3 levels did not differ (p = 0.47) compared to the controls. No significant correlations were noted between the proteins and PASI, C-reactive protein (CRP), BMI, or levels of glucose or lipids. FABP3 significantly correlated with white blood count (p = 0.03) and aspartate aminotransferase (p = 0.04). After topical treatment, there was no significant change in serum FABP3 [11.5 (4.9-30.3) vs. 12.9 (3.5-30.3) ng/ml] (p = 0.96), whereas FABP4 was decreased [27,286 (20,344-32,257) vs. 23,034 (18,320 29,874) pg/ml] (p = 0.12), losing its basal significance. FABP4 may be a marker of psoriasis, and FABP3 may be associated with inflammation or liver disorders in psoriatic patients. FABP do not appear to be useful for determining disease severity or the effectiveness of antipsoriatic treatment. PMID- 27864794 TI - Fatty Acids from a Glass Sponge Aulosaccus sp. Occurrence of New Cyclopropane Containing and Methyl-Branched Acids. AB - In order to identify new structures, the free fatty acids from an extract of a glass sponge Aulosaccus sp. (from the north-west Pacific) belonging to one of the least chemically investigated classes (Hexactinellida), were fractionated by RP HPLC and analyzed by NMR spectroscopy and GC-MS of their pyrrolidine derivatives, methyl(ethyl) esters and their dimethyl disulfide adducts. One hundred and twenty three C12-C31 acids (including nine new compounds) were detected, one hundred and ten of these compounds have not been found previously in glass sponges. The levels of common methylene-interrupted polyenes, monoenes of the (n-7) family and less common branched-chain components proved to be high. New acids were shown to be 5,13-dimethyl-tetradec-4-enoic, cis-10,11-methylene-heptadecanoic, 10,12 dimethyl-octadecanoic, cis-12,13-methylene-nonadecanoic, (14E)-13-methyl-eicos-14 enoic, 19-methyl-eicos-13-enoic, cis-20,21-methylene-heptacosanoic, 27-methyl octacos-21-enoic and (22Z)-nonacos-22-enoic. Some important mass spectrometric characteristics of pyrrolidides of homologous cyclopropane fatty acids are reported and discussed. PMID- 27864796 TI - Erratum to: Student-directed retrieval practice is a predictor of medical licensing examination performance. PMID- 27864797 TI - ? PMID- 27864795 TI - Prevalence of ocular surface disease symptoms and risk factors in group of university students in Monterrey, Mexico. AB - BACKGROUND: The objective of this study was to determine the prevalence of symptoms of ocular surface disease and its relationship with associated risk factors in students from the University of Monterrey using Ocular Surface Disease (OSDI) questionnaire. METHODS: A cross-sectional survey was conducted between October and December 2014 to assess the prevalence and risk factors for ocular surface disease in a group of students from Universidad de Monterrey in Monterrey, Mexico. The severity of the disease was measured via the Ocular Surface Disease Index (OSDI) questionnaire. RESULTS: The OSDI average value was 26.85 +/- 20.79 points, with 70.4% of students (579) had OSDI score higher than 12 points. Women had ocular surface disease 1.63 times more than men (OR 1.29, 95% CI 1.13,1.48). Students who used ophthalmic drops have an OR 2.00 (95% CI 1.65,2.40), and students who smoke have an OR 1.24 (95% CI 1.06,1.46). Use of contact lenses, hours in front of computer or history of refractive surgery has low-estimated effect on the probability of presenting an ocular disease. CONCLUSIONS: University students have a prevalence of 70.4% of ocular surface disease (OSD). OSD was associated with gender (women have a higher prevalence), smoking and the use of eye drops. A program to modify these risk factors to reduce the prevalence is needed. PMID- 27864799 TI - Primordial Prevention of Cardiometabolic Risk in Childhood. AB - Fetal life and childhood are important in the development of cardiometabolic risk and later clinical disease of atherosclerosis, hypertension and diabetes mellitus. Molecular and environmental conditions leading to cardiometabolic risk in early life bring us a challenge to develop effective prevention and intervention strategies to reduce cardiovascular (CV) risk in children and later disease. It is important that prevention strategies begin at an early age to reduce future CV morbidity and mortality. Pioneering work from longitudinal studies such as Bogalusa Heart Study (BHS), the Finnish Youth Study and other programs provide an awareness of the need for public and health services to begin primordial prevention. The impending CV risk beginning in childhood has a significant socioeconomic burden. Directions to achieve primordial prevention of cardiometabolic risk in children have been developed by prior longitudinal studies. Based on those studies that show risk factors in childhood as precursors of adult CV risk, implementation of primordial prevention will have effects at broad levels. Considering the epidemic of obesity, the high prevalence of hypertension and cardiometabolic risk, prevention early in life is valuable. Comprehensive health education, such as 'Health Ahead/Heart Smart', for all elementary school age children is one approach to begin primordial prevention and can be included in public education beginning in kindergarten along with the traditional education subject matter. PMID- 27864798 TI - Pharmacokinetic Drug Interactions with Panax ginseng. AB - Panax ginseng is widely used as an adaptogen throughout the world. The major active constituents of P. ginseng are ginsenosides. Most naturally occurring ginsenosides are deglycosylated by colonic bacteria to intestinal metabolites. Ginsenosides along with these metabolites are widely accepted as being responsible for the pharmacologic activity and drug interaction potential of ginseng. Numerous preclinical studies have assessed the influence of various ginseng components on cytochrome P450 (CYP), glucuronidation, and drug transport activity. Results from these investigations have been largely inconclusive due to the use of different ginseng products and variations in methodology between studies. Drug interaction studies in humans have been conflicting and have largely yielded negative results or results that suggest only a weak interaction. One study using a midazolam probe found weak CYP3A induction and another using a fexofenadine probe found weak P-gp inhibition. Despite several case reports indicating a drug interaction between warfarin and P. ginseng, pharmacokinetic studies involving these agents in combination have failed to find significant pharmacokinetic or pharmacodynamic interactions. To this end, drug interactions involving P. ginseng appear to be rare; however, close clinical monitoring is still suggested for patients taking warfarin or CYP3A or P-gp substrates with narrow therapeutic indices. PMID- 27864800 TI - Resistant Hypertension. AB - Conservatively, ten million people in the USA alone may suffer from RH and may be similarly prevalent elsewhere. Given the strong linear correlation between hypertension and cardiovascular outcomes, better control is paramount. We favor a multi-pronged approach. It may not suffice to address this by pharmacologic means only. Careful attention to modifiable risk factors, particularly sodium intake, adhering to a proper diet (i.e. DASH), and avoiding agents, i.e. non-steroidals, that can elevate the blood pressure, is key. Frequent follow up to establish the right treatment regimen and home blood pressuring monitoring can have a strong impact on control. Finally, consideration of device therapy may be a more viable option in the future. PMID- 27864801 TI - High Prevalence of Human Herpesvirus 8 Infection in Diabetes Type 2 Patients and Detection of a New Virus Subtype. AB - The prevalence of Human Herpesvirus 8 (HHV8) DNA and antiviral antibodies in Diabetes type 2 (DM2) and control subjects was studied, in order to confirm a possible link between DM2 and HHV8 infection. The HHV8-DNA from diabetic patients was typed for detecting possible genomic differences with known HHV8 reference viruses.DM2 patients and healthy controls were examined for the presence of HHV8 DNA into the peripheral blood lymphocytes. Both anti-lytic and latent phase antibodies were detected in HHV8 positive and negative diabetic patients, as well in a number of controls. The HHV8 ORF K1 and ORF 26 genes from DM2 patients were typed and matched to reference strains.A significant prevalence of HHV8 DNA in DM2 subjects versus healthy controls was detected (about 58 % against 27 %). Anti lytic phase, but not anti-latent phase antibodies, were significantly increased in DM2 patients versus controls. In addition, about 30 % of HHV8 strains isolated from DM2 lymphocytes showed consistent differences in the ORF 26 gene sequence, so that a new HHV8 subtype was proposed. These findings give additional support to the hypothesis that HHV8 could be considered an additional risk factor for DM2 onset. PMID- 27864802 TI - Secreted Phospholipase A2 Type IIA (sPLA2-IIA) Activates Integrins in an Allosteric Manner. AB - Secreted phospholipase A2 type IIA (sPLA2-IIA) is a well-established pro inflammatory protein and has been a major target for drug discovery. However, the mechanism of its signaling action has not been fully understood. We previously found that sPLA2-IIA binds to integrins alphavbeta3 and alpha4beta1 in human and that this interaction plays a role in sPLA2-IIA's signaling action. Our recent studies found that sPLA2-IIA activates integrins in an allosteric manner through direct binding to a newly identified binding site of integrins (site 2), which is distinct from the classical RGD-binding site (site 1). The sPLA2-IIA-induced integrin activation may be related to the signaling action of sPLA2-IIA. Since sPLA2-IIA is present in normal human tears in addition to rheumatoid synovial fluid at high concentrations the sPLA2-IIA-mediated integrin activation on leukocytes may be involved in immune responses in normal and pathological conditions. PMID- 27864803 TI - Enabling Rapid Response to the 2014-2016 Ebola Epidemic: The Experience and the Results of the National Institute for Infectious Diseases Lazzaro Spallanzani. AB - The unprecedented epidemic of Ebola virus disease (EVD) in West Africa highlighted the need for stronger systems for disease surveillance, response, and prevention worldwide. Tackling an epidemic event today requires a broader view, not only limited to medical management of the patients, but which also includes heroic efforts by clinicians and public health personnel.Since its foundation in 1936, INMI has been devoted to the prevention, diagnosis and care for infectious diseases. In 2009, INMI became a WHO collaborative center for clinical care, diagnosis, response and training on Highly Infectious Diseases. This paper is aimed to present the activities and the challenging issues encountered by INMI during the 2014-2015 EVD outbreak in terms of preparedness and response to the epidemiological, clinical, diagnostic and research controversial aspects of EVD, both in Italy and in the field. PMID- 27864805 TI - Endocrine Hypertension: A Practical Approach. AB - Elevated blood pressure resulting from few endocrine disorders (endocrine hypertension) accounts for a high proportion of cases of secondary hypertension. Although some features may be suggestive, many cases of endocrine hypertension remain silent until worked up for the disease. A majority of cases result from primary aldosteronism. Other conditions that can cause endocrine hypertension are: congenital adrenal hyperplasia, Liddle syndrome, pheochromocytomas, Cushing's syndrome, acromegaly, thyroid diseases, primary hyperparathyroidism and iatrogenic hormone manipulation. Early identification and treatment of the cause of endocrine hypertension may help to reduce morbidity and mortality related to these disorders. This article gives a comprehensive and practical approach to the diagnosis and management of endocrine hypertension. PMID- 27864804 TI - Activity of Norspermidine on Bacterial Biofilms of Multidrug-Resistant Clinical Isolates Associated with Persistent Extremity Wound Infections. AB - Biofilm formation is a major virulence factor for numerous pathogenic bacteria and is cited as a central event in the pathogenesis of chronic human infections, which is in large part due to excessive extracellular matrix secretion and metabolic changes that occur within the biofilm rendering them highly tolerant to antimicrobial treatments. Polyamines, including norspermidine, play central roles in bacterial biofilm development, but have also recently been shown to inhibit biofilm formation in select strains of various pathogenic bacteria. The aim of this study was to evaluate in vitro the biofilm dispersive and inhibitory activities of norspermidine against multidrug-resistant clinical isolates of Acinetobacter baumannii(n = 4), Klebsiella pneumoniae (n = 3), Pseudomonas aeruginosa (n = 5) and Staphylococcus aureus (n = 4) associated with chronic extremity wound infections using the semi-quantitative 96-well plate method and confocal laser microscopy. In addition to the antibiofilm activity, biocompatibility of norspermidine was also evaluated by measuring toxicity in vitro to human cell lines and whole porcine tissue explants using MTT viability assay and histological analysis. Norspermidine (5-20 mM) had variable dispersive and inhibitory activity on biofilms which was dependent on both the strain and species. Of the clinical bacterial species evaluated herein, A. baumannii isolates were the most sensitive to the effect of norspermidine, which was in part due to the inhibitory effects of norspermidine on bacterial motility and expression of genes involved in the production of homoserine lactones and quorum sensing molecules both essential for biofilm formation. Importantly, exposure of cell lines and whole tissues to norspermidine for prolonged periods of time (>=24 h) was observed to reduce viability and alter tissue histology in a time and concentration dependent manner, with 20 mM exposure having the greatest negative effects on both tissues and individual cell lines. Collectively our findings demonstrate that, similar to other polyamines, norspermidine displays both inhibitory and dispersive activities on biofilms of clinical multidrug-resistant bacterial isolates, in particular for strains of A. baumannii. Additionally our findings suggest that direct application may be considered on tissues, albeit for limited exposure times. PMID- 27864806 TI - Pathophysiological Mechanisms and Correlates of Therapeutic Pharmacological Interventions in Essential Arterial Hypertension. AB - Treating arterial hypertension (HT) remains a hard task. The hypertensive patient is often a subject with several comorbidities and metabolic abnormalities. Clinicians everyday have to choose the right drug for the single patient among the different classes of antihypertensives. Apart from lowering blood pressure, a main therapeutic target should be that of counteracting all the possible pathophysiological mechanisms involved in HT itself and in existing/potential comorbidities. All the ancillary positive and negative effects of the administered drugs should be considered: in particular, since hypertensive patients are often glucose intolerant/diabetic, carrier of serum lipids disorder, have already developed atherosclerotic diseases and endothelial dysfunction, they should not be treated with drugs negatively interfering with these conditions but with molecules that, if possible, improve them. The main pathophysiological mechanisms and correlates of therapeutic pharmacological interventions in essential HT are reviewed here. PMID- 27864807 TI - Assessing the Associations Between Awareness of Myocardial Infarction Symptoms, Socioeconomic Factors, and Cardiovascular Disease Risk Factors Through Regression Models. AB - There are few studies that consider the association between awareness of symptoms of acute myocardial infarction (MI), socioeconomic factors (household income, sex, race/ethnicity, and educational attainment), and cardiovascular (CVD) risk factors. It is important to understand these associations because there is evidence that suggests that disparities in the awareness of MI symptoms lead to disparities in delays in receiving treatment and outcomes of patients with MI. The study was to determine if there are disparities in the awareness of different MI symptoms among different groups with respect to self-reported race, ethnicity, education, age, and income (i.e., various SES factors) in the presence/absence of modifiable cardiovascular disease risk factors. We utilized the 2003-2009 Behavioral Risk Factor Surveillance Survey, a nationally representative telephone based survey, to evaluate the relationships between five common symptoms of MI, socioeconomic factors, and four major modifiable CVD risk factors. We found that being college-educated, a higher household income, making $75,000 a year or more, being female, being non-Hispanic White, having hypertension, and exercising regularly were generally associated with a higher probability of being aware of the MI symptoms evaluated in this study. Additionally, awareness that jaw/back/neck pain and feeling weak/light-headed/faint are symptoms of MI were found to be consistently lower compared to that of other MI symptoms, ranging from 50 to 75%, across all SES factors and CVD risk factors. The findings from this study can serve as a useful guide to facilitating targeted educational efforts aimed at improving awareness of MI symptoms that may ultimately reduce disparities in the outcomes of patients at risk for MI. PMID- 27864808 TI - Latina and Black/African American Women's Perspectives on Cancer Screening and Cancer Screening Reminders. AB - INTRODUCTION: Racial and ethnic disparities continue to exist in cancer screening rates, especially among US Latina and Black/African American populations. We conducted six focus groups among 41 women from these communities in order to better understand their preferences about cancer screening reminders and the motivators and deterrents they face in obtaining recommended breast, cervical, and colon cancer screening. METHODS: Using self-reported patient race/ethnicity from electronic medical records of a large, integrated health care system in Seattle, we recruited women ages 30-60 to participate in one of five 2-hour focus groups. Using verbatim transcripts from these discussions, we conducted a qualitative analysis to identify common themes. RESULTS: The focus group participants were primarily strong endorsers and utilizers of recommended breast, cervical, and colon cancer screening services. Insurance and belief in preventive care were the most common motivators that they cited in obtaining cancer screening. However, they still reported multiple barriers to getting recommended cancer screening for themselves and community members, including lack of time, conflicting information about screening intervals, distrust in the health care system, and a lack of understanding of the benefits of preventive care. CONCLUSIONS: Efforts to improve understanding about the benefits of cancer screening, clarify cancer screening guideline recommendations, increase cultural competency among health care professionals, and expand the times and locations where cancer screening is available are all options that may improve cancer screening rates among Latinas and Black/African American women. PMID- 27864809 TI - Determinants of Prostate Cancer Screening Intentions of Young Black Men Aged 18 to 40 Years. AB - INTRODUCTION: Black men are more likely to be diagnosed with prostate cancer, with higher stage and higher grade at presentation. Evidence suggests that for education in health promotion behaviors (such as screenings) in early adult years, young Black men can be better equipped to make informed decisions in later years. OBJECTIVE: Using the theory of reasoned action (TRA), we assessed the intention of young Black men to screen for prostate cancer when it is recommended and determined its correlates. METHODS: This was a cross-sectional study of 267 Black men aged 18 to 40 years. A 47-item questionnaire collected information on demographics/personal factors, attitudes toward prostate cancer screening, social influence, comfortability with prostate examinations, cues to action, health screening experiences, knowledge of prostate cancer and screening, and intention. Descriptive statistics were calculated for all variables and hierarchical logistic regression was employed to determine significant predictors of prostate cancer screening intentions. RESULTS: The regression model accounted for 46% of the variance in intention (p < 0.01), with excellent perception of health, having private or public health insurance, longer regular source of care, positive attitude, positive social influence, positive cues to action, and higher knowledge levels being significant predictors of intentions. CONCLUSION: This study provides support for the use of TRA in predicting prostate cancer screening intentions among young Black men when it is recommended by a physician. Findings may inform the development of empirical-based interventions to educate and inform at-risk young Black men about the pros and cons of prostate cancer screening so that they can make informed decision on screening when recommended later in life. PMID- 27864810 TI - A case of Pitt-Hopkins syndrome presented with Angelman-like syndromic phenotypes. AB - Pitt-Hopkins syndrome (PTHS), caused by a TCF4 gene mutation, is a condition characterized by intellectual disability and developmental delay, breathing anomalies, epilepsy, and distinctive facial dysmorphism [1]. Its diverse clinical appearance causes pediatricians to confuse it with Angelman syndrome, which is considered one of the family members of Angelman-like syndrome. Herein, we report on a 4 y/o boy with PTHS and discuss its similarities and differences with Angelman syndrome. In doing so we hope to provide a feasible pathway to diagnose rare diseases, especially Angelman-like syndrome. PMID- 27864813 TI - Silex: A database for silent-letter endings in French words. AB - Silent-letter endings are often claimed to be a major source of inconsistency in the French orthography. In this report, we introduce Silex, a database designed to facilitate the study of spelling performance in general, and silent-letter endings in particular. It was derived from two large and recent corpora based on child- and adult-targeted material. Silex consists of three kinds of Excel workbooks: a set of Stimuli Selector workbooks that allow researchers to select words based on a variety of statistics and word characteristics; a Table Generator workbook that allows researchers to build consistency distribution tables by selecting specific phonological or orthographic units; and a Master File workbook, from which all statistics were derived, and that allows researchers to compute other statistics. Silex is different from existing databases in the manner that silent-letter endings were coded and how consistency indices were computed. Importantly, Silex provides unconditional- and conditional consistency indices for silent-letter endings. To demonstrate the utility of Silex, we first described the silent-letter phenomenon in French. We found that, at minimum, 28 % of French words end with a silent letter. Moreover, silent letter endings are usually t, e, s, x, or d, and the occurrence of these letters is conditioned by the phonological ending of words. Second, we showed how Silex could prove useful for the development of theoretical models and for empirical studies. The novel information provided in Silex as well as the flexibility of this database should enable researchers to advance our understanding of developing and skilled spelling performance. PMID- 27864814 TI - nodeGame: Real-time, synchronous, online experiments in the browser. AB - nodeGame is a free, open-source JavaScript/ HTML5 framework for conducting synchronous experiments online and in the lab directly in the browser window. It is specifically designed to support behavioral research along three dimensions: (i) larger group sizes, (ii) real-time (but also discrete time) experiments, and (iii) batches of simultaneous experiments. nodeGame has a modular source code, and defines an API (application programming interface) through which experimenters can create new strategic environments and configure the platform. With zero-install, nodeGame can run on a great variety of devices, from desktop computers to laptops, smartphones, and tablets. The current version of the software is 3.0, and extensive documentation is available on the wiki pages at http://nodegame.org . PMID- 27864815 TI - Delayed onset hypokinetic-rigid syndrome due to hypoxic-ischemic damage of the striatum. PMID- 27864812 TI - How In Vitro Assays Contribute to Allergy Diagnosis. AB - Diagnosis of allergic disorders is based upon the clinical history of the disease, the immunoglobulin E (IgE) antibody response, and the allergen exposure. During the last decade, many changes have occurred in the in vitro diagnostic tests used in daily practice. The most important one is the use of allergenic molecules, which helps to define severe profile of allergy and/or to better understand cross-reactivity. The correlation between IgE sensitization and bronchial or nasal response in provocation tests is not so clear, which implies that such tests are still helpful in allergy diagnosis. In order to strengthen the link between a real allergen exposure and allergic symptoms, environmental allergen load assessment can be performed. For clinicians, it appears obvious to know the pollen count to treat their patients; however, they rarely measure the allergen load in the indoor environment, while nowadays home-tests (semi quantitative or quantitative) make the assessment very easy. In the future, assessment of the environmental exposure (preferably with an indoor technician) of an allergic patient should take into account not only the allergens but also the other indoor pollutants, which could enhance respiratory symptoms in allergic patients. PMID- 27864816 TI - Giant insulinoma: report of a case and review of published reports. AB - BACKGROUND: Larger insulinomas are reportedly more likely to be malignant; however, their biological behavior has not been clearly elucidated. We here report the characteristics and treatment of a giant insulinoma with local invasion and lymph node metastasis. We also review published reports concerning the clinical features of giant insulinomas and comparing their grading with that of pancreatic neuroendocrine tumors. CASE PRESENTATION: A 71-year-old man was referred to our hospital for investigation of persistent hypoglycemia. On the current presentation, laboratory tests showed serum glucose, immunoreactive insulin, and C peptide concentrations of 45 mg/dL, 17.2 MUIU/mL and 4.1 ng/mL, respectively. Dynamic magnetic resonance imaging showed a hypervascular tumor measuring 13.5 cm in the head of the pancreas. Computed tomography scanning demonstrated local invasion and lymph node involvement. He thus had Whipple's triad, which is associated with malignant insulinoma. No distant metastases having been identified, pancreaticoduodenectomy was performed. Intraoperatively, three separate tumors were identified in the pancreatic head. Pathological examination showed all three tumors were pancreatic neuroendocrine tumors; the tumor cells in the largest mass were strongly immunoreactive for insulin. The Ki 67 index was 2-5% in most parts of the largest tumor and over 20% in the poorly differentiated areas. This tumor was classified as neuroendocrine carcinoma in accordance with the 2010 World Health Organization classification of pancreatic endocrine neoplasms. He remains free of evidence of recurrence 2 years postsurgery. A review of published reports indicated that giant insulinomas are more malignant than smaller ones, and metastatic disease is found on presentation in 56% of patients with giant insulinomas; however, we were unable to identify any correlation between grade of pancreatic neuroendocrine tumor and biological behavior of giant insulinomas. CONCLUSIONS: Giant insulinomas more frequently exhibit malignant behavior, such as local invasion, lymph node involvement, and liver metastasis, than smaller ones. However, there was no relationship between grade and rate of metastases or survival in this small case series. Identification of useful biological markers is necessary. PMID- 27864817 TI - Surgical resection of recurrent gastrointestinal stromal tumor after interruption of long-term nilotinib therapy. AB - BACKGROUND: Nilotinib inhibits the tyrosine kinase activities of ABL1/BCR-ABL1, KIT, and platelet-derived growth factor receptors (PDGFRs). The results of a phase III clinical trial indicated that nilotinib could not be recommended for broad use as first-line therapy for gastrointestinal stromal tumor (GIST). However, some clinical studies have reported the effectiveness of nilotinib. We report here the cases of two patients who underwent surgical resections of nilotinib-resistant lesions after long-term nilotinib administration. CASE PRESENTATION: Two Japanese female patients, aged 66 and 70 years, experienced peritoneal recurrence of intestinal GIST several years after surgery. Both were registered in the ENESTg1 trial and received nilotinib therapy. Although they continued nilotinib administration with a partial response according to the protocol, nilotinib-resistant lesions, which were diagnosed as focally progressive disease, developed and complete surgical resection was performed. Pathological examination revealed that the tumors were composed of viable KIT positive spindle cells, and the recurrent tumors were diagnosed as nilotinib resistant GIST. In gene mutation analysis, a secondary KIT gene mutation was detected in one case. Both patients have survived more than 5 years after the first surgery. CONCLUSIONS: Of patients who were registered in this trial, we have encountered two patients with long-term effects after nilotinib administration. Moreover, secondary mutations in the KIT gene, similar to those involved in resistance to imatinib, might be involved in resistance to nilotinib. PMID- 27864818 TI - Effects of Thickness of a Low-Temperature Buffer and Impurity Incorporation on the Characteristics of Nitrogen-polar GaN. AB - In this study, effects of the thickness of a low temperature (LT) buffer and impurity incorporation on the characteristics of Nitrogen (N)-polar GaN are investigated. By using either a nitridation or thermal annealing step before the deposition of a LT buffer, three N-polar GaN samples with different thicknesses of LT buffer and different impurity incorporations are prepared. It is found that the sample with the thinnest LT buffer and a nitridation step proves to be the best in terms of a fewer impurity incorporations, strong PL intensity, fast mobility, small biaxial strain, and smooth surface. As the temperature increases at ~10 K, the apparent donor-acceptor-pair band is responsible for the decreasing integral intensity of the band-to-band emission peak. In addition, the thermal annealing of the sapphire substrates may cause more impurity incorporation around the HT-GaN/LT-GaN/sapphire interfacial regions, which in turn may result in a lower carrier mobility, larger biaxial strain, larger bandgap shift, and stronger yellow luminescence. By using a nitridation step, both a thinner LT buffer and less impurity incorporation are beneficial to obtaining a high quality N-polar GaN. PMID- 27864820 TI - Response to 'A functional mechanistic study of the effect of emollients on the structure and function of the skin barrier'. PMID- 27864819 TI - Can We Optimize Arc Discharge and Laser Ablation for Well-Controlled Carbon Nanotube Synthesis? AB - Although many methods have been documented for carbon nanotube (CNT) synthesis, still, we notice many arguments, criticisms, and appeals for its optimization and process control. Industrial grade CNT production is urgent such that invention of novel methods and engineering principles for large-scale synthesis are needed. Here, we comprehensively review arc discharge (AD) and laser ablation (LA) methods with highlighted features for CNT production. We also display the growth mechanisms of CNT with reasonable grassroots knowledge to make the synthesis more efficient. We postulate the latest developments in engineering carbon feedstock, catalysts, and temperature cum other minor reaction parameters to optimize the CNT yield with desired diameter and chirality. The rate limiting steps of AD and LA are highlighted because of their direct role in tuning the growth process. Future roadmap towards the exploration of CNT synthesis methods is also outlined. PMID- 27864821 TI - Effect of alterations in apoptotic pathway on development of metabolic syndrome in patients with psoriasis vulgaris. AB - BACKGROUND: An increase in the incidence of metabolic syndrome (MetS) has been identified in patients with psoriasis. OBJECTIVES: To evaluate the role of changes in expression of apoptosis activators [B-cell lymphoma (Bcl)-2-like protein 4 (BAX), cytochrome c (cytC) and caspase-3 (CASP3)] and apoptosis inhibitors [Bcl-2, survivin, cyclin D1 (CCND1), superoxide dismutase (SOD), catalase 3 (CAT), glutathione synthetase (GS), heat shock protein (Hsp)27, Hsp60, Hsp70 and Hsp90] on development of MetS in patients with psoriasis vulgaris. METHODS: Fifty patients with psoriasis were enrolled; 25 had MetS. Twenty-five healthy people and 25 people with only MetS were included as a control group. Serum fasting blood glucose, urea, creatinine, total cholesterol, high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, triglycerides, thyroid-stimulating hormone, fraction of thyroxine, fasting insulin and highly sensitive C-reactive protein levels were measured. Expression of BAX, cytC, CASP3, Bcl-2, survivin, CCND1, SOD, CAT, GS, and Hsp27, Hsp60, Hsp70 and Hsp90 were measured in peripheral blood. Clinical activation of patients with psoriasis was calculated using Psoriasis Area and Severity Index scores. RESULTS: In patients with MetS there was an increase in expression of genes for cytC, survivin and Hsp27, Hsp60 and Hsp90, and a decrease in expression of CCND1. Furthermore, expression levels of CCND1 were identified to be an independent risk factor for MetS development in patients with psoriasis. CONCLUSIONS: The increase in expression of survivin and Hsp27, Hsp60 and Hsp90, and the decrease in CCND1 expression may be important mechanisms in the development of MetS in patients with psoriasis. PMID- 27864822 TI - Caregiver-directed home-based intensive bimanual training in young children with unilateral spastic cerebral palsy: a randomized trial. AB - AIM: To examine the efficacy of caregiver-directed, home-based intensive bimanual training in children with unilateral spastic cerebral palsy (USCP) using a randomized control trial. METHOD: Twenty-four children (ages 2y 6mo-10y 1mo; 10 males, 14 females) performed home-based activities directed by a caregiver for 2 hours per day, 5 days per week, for 9 weeks (total=90h). Cohorts of children were age-matched into groups and randomized to receive home-based hand-arm bimanual intensive therapy (H-HABIT; n=12) or lower-limb functional intensive training (LIFT-control; n=12). Caregivers were trained before the intervention and supervised remotely via telerehabilitation. Dexterity and bimanual hand function were assessed using the Box and Blocks test (BBT) and the Assisting Hand Assessment (AHA) respectively. Caregiver perception of functional goals was measured using the Canadian Occupational Performance Measure (COPM). RESULTS: H HABIT showed greater improvement on the BBT compared to LIFT-control and no improvement on the AHA. H-HABIT demonstrated significant improvement in COPM Performance compared to LIFT-control and both groups showed equal improvement in COPM-Satisfaction. INTERPRETATION: H-HABIT improved dexterity and performance of functional goals, but not bimanual performance, in children with USCP compared to a control group receiving intervention of equal intensity/duration that also controlled for increased caregiver attention. Home-based models provide a valuable, family-centered approach to achieve increased treatment intensity. PMID- 27864823 TI - Aberrant mTOR signaling and disrupted autophagy: The missing link in potential vigabatrin-associated ocular toxicity? AB - Vigabatrin (VGB; gamma-vinylGABA) is a unique antiepileptic directly elevating CNS GABA via inactivation of the GABA metabolic enzyme GABA-transaminase. VGB is effective in treating infantile spasms, a rare seizure disorder associated with significant morbidity. The potential for unexplained bilateral constriction of the visual field associated with VGB intervention can severely limit its temporal utility. Removal of this potential adverse effect with adjuvant intervention(s) would represent a significant advance in epilepsy therapeutics. PMID- 27864824 TI - Successful treatment of ustekinumab in a psoriasis patient with human T-cell leukemia/lymphotropic virus type 1 infection. PMID- 27864825 TI - Individual hippocampal subfield assessment indicates that matrix macromolecules and gliosis are key elements for the increased T2 relaxation time seen in temporal lobe epilepsy. AB - OBJECTIVE: Increased T2 relaxation time is often seen in temporal lobe epilepsy (TLE) with hippocampal sclerosis. Water content directly affects the effective T2 in a voxel. Our aim was to evaluate the relation between T2 values and two molecules associated with brain water homeostasis aquaporin 4 (AQP4) and chondroitin sulfate proteoglycan (CSPG), as well as cellular populations in the hippocampal region of patients with TLE. METHODS: Hippocampal T2 imaging and diffusion tensor imaging (DTI) were obtained from 42 drug-resistant patients with TLE and 20 healthy volunteers (radiologic controls, RCs). A similar protocol (ex vivo) was applied to hippocampal sections from the same TLE cases and 14 autopsy control hippocampi (histologic and radiologic controls, HRCs), and each hippocampal subfield was evaluated. Hippocampal sections from TLE cases and HRC controls were submitted to immunohistochemistry for neurons (neuron nuclei [NeuN]), reactive astrocytes (glial fibrillary acidic protein [GFAP]), activated microglia (human leukocyte antigen-D-related [HLA-DR]), polarized AQP4, and CSPG. RESULTS: Patients with TLE had higher in vivo and ex vivo hippocampal T2 relaxation time. Hippocampi from epilepsy cases had lower neuron density, higher gliosis, decreased AQP4 polarization, and increased CSPG immunoreactive area. In vivo relaxation correlated with astrogliosis in the subiculum and extracellular CSPG in the hilus. Ex vivo T2 relaxation time correlated with astrogliosis in the hilus, CA4, and subiculum, and with microgliosis in CA1. The difference between in vivo and ex vivo relaxation ratio correlated with mean diffusivity and with the immunopositive area for CSPG in the hilus. SIGNIFICANCE: Our data indicate that astrogliosis, microgliosis, and CSPG expression correlate with the increased T2 relaxation time seen in the hippocampi of patients with TLE. PMID- 27864826 TI - Dietary intervention in the dystopian world of severe mental illness: measure for measure, then manage. PMID- 27864828 TI - Maternal Na+ intake induces renal function injury in rats prevented by a short term angiotensin converting enzyme inhibitor. AB - The Na+ -ATPase, a secondary pump in the proximal tubule, is only weakly responsive to angiotensin II in adult offspring exposed perinatally to high Na+ intake. We have investigated whether the offspring from mothers given 0.3 mol/L NaCl show an ineffective angiotensin II action to increase in blood pressure. It was hypothesized that functional alterations at adult life are associated with the number of angiotensin II-positive cells in the developing kidney, with increased oxidative stress in maternal/foetal organs, or with morphometrical changes in placentas. Wistar female rats were maintained on 0.3 mol/L NaCl in their drinking water from 20 days before conception until weaning. After weaning, some of the male offspring were treated with enalapril for 21 days. Glomerular filtration rate was recorded up to 210 days of age, when mean arterial pressure was measured after infusion of angiotensin II. To investigate the placenta and foetal kidneys, mothers on tap water or NaCl were also treated with alpha tocopherol, pregnancy being interrupted on the 20th day. There were no changes in the number of cells positive for angiotensin II in the foetal kidney and unchanged lipid peroxidation in the placenta of offspring exposed to NaCl, but the intermediate trophoblast area in the junctional zone was increased, possibly reducing maternal-foetal exchange. Glomerular filtration rate was reduced and there was an attenuated effect of angiotensin II on elevation of blood pressure, which could be mediated by an elevated angiotensin II during early life, once these disturbances had been prevented by early and short-term treatment with enalapril. PMID- 27864830 TI - Risk of psychiatric disorders, self-harm behaviour and service use associated with bariatric surgery. AB - OBJECTIVE: To investigate psychiatric outcomes after bariatric surgery, including suicide, self-harm, psychiatric service use and substance misuse. METHOD: Retrospective study on a Danish nationwide register-based cohort of 22 451 patients followed for 1 029 736 person-years. Data were analysed utilizing single and multi-event Cox regression with non-operated controls with obesity and mirror-image analyses with the operated patient serving as their own controls. RESULTS: We showed an increased ratio of self-harm (hazard ratio [HR] 3.23, P < 0.001; incidence rate ratio [IRR] 1.71, P < 0.001), psychiatric service use (admissions IRR 1.52, P < 0.001; emergency room visits IRR 1.70, P < 0.001), psychiatric diagnosis (organic psychiatric disorders HR 1.78, P < 0.001; substance use HR 2.06, P < 0.001; mood disorders HR 2.66, P < 0.001; neurotic, stress-related and somatoform disorders HR 2.48, P < 0.001; behavioural syndromes HR 3.15, P < 0.001; disorders of personality HR 2.68, P < 0.001; behavioural and emotional disorders HR 6.43, P < 0.001), as well as substance misuse utilizing Cox regression as well as mirror-image analyses, as compared to non-operated. We did not find an increased suicide rate (HR 1.35, P = 0.658) among operated as compared to non-operated. CONCLUSION: Our study shows that undergoing bariatric surgery is associated with increases in self-harm, psychiatric service use and occurrence of mental disorders. PMID- 27864827 TI - Biomarkers of oxidative and nitro-oxidative stress: conventional and novel approaches. AB - : The concept of oxidative stress (OS) that connects altered redox biology with various diseases was introduced 30 years ago and has generated intensive research over the past two decades. Whereas it is now commonly accepted that macromolecule oxidation in response to ROS is associated with a variety of pathologies, the emergence of NO as a key regulator of redox signalling has led to the discovery of the pathophysiological significance of reactive nitrogen species (RNS). RNS can elicit various modifications of macromolecules and lead to nitrative or nitro OS. In order to investigate oxidative and nitro-OS in human and in live animal models, circulating biomarker assays have been developed. This article provides an overview of key biomarkers used to assess lipid peroxidation and NO/NO2 signalling, thereby stressing the necessity to analyse several OS biomarkers in relation to the overall (aerobic) metabolism and health condition of patients. In addition, the potential interest of heart rate variability as the non-invasive integrative biomarker of OS is discussed. LINKED ARTICLES: This article is part of a themed section on Redox Biology and Oxidative Stress in Health and Disease. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v174.12/issuetoc. PMID- 27864831 TI - Alveolar bone in human immunodeficiency virus infection: is it changed by long term antiretroviral therapy? AB - BACKGROUND: Previous studies have reported that human immunodeficiency virus (HIV) infection and antiretroviral therapy (ART) can lead to osteoporosis in HIV infected individuals. However, their effects on alveolar bone are not well established. The objective of this study was to measure the alveolar bone mineral density (BMD) of HIV-infected patients, with and without antiretroviral therapy (ART), in comparison with that of HIV-free individuals, and to determine factors associated with the BMD of alveolar bone. METHODS: A cross-sectional study was performed in non-HIV-infected individuals and HIV-infected individuals, with and without ART. Medical status and clinical data were recorded. Periapical radiographs of maxillary and mandibular right premolars were analysed for changes of alveolar BMD based on HIV/ART status. Other factors associated with the changes of alveolar BMD were explored using a parametric multivariate analysis of covariance (MANCOVA). RESULTS: One-hundred and one HIV-infected individuals receiving ART (age range: 23-57 years; median age 39 years), 58 receiving no ART (age range: 20-59 years; median age 34 years) and 50 HIV-negative individuals (age range: 19-59 years; median age 36 years) were enrolled. Neither HIV status nor use of ART was significantly associated with the changes of alveolar BMD. CONCLUSION: Although osteoporosis has been reported in HIV-infected individuals treated with ART, alveolar BMD does not appear to be changed as a result of the infection, or use of ART. PMID- 27864829 TI - Pediatric case of anaplastic lymphoma kinase-positive anaplastic large cell lymphoma forming a solitary skin tumor on the forearm. AB - A 5-year-old girl noticed a rapidly growing reddish nodule on her right forearm. Although oral antibiotics had been administrated for 2 weeks, the tumor enlarged. Skin biopsy revealed excessive infiltration of atypical neoplastic cells expressing CD4, CD30 and anaplastic lymphoma kinase (ALK). These histological and immunohistochemical findings were consistent with anaplastic large cell lymphoma (ALCL). Computed tomography showed multiple lymphadenopathy, but lymph node biopsy and bone marrow examination did not show any evidence of systemic dissemination. However, due to the positive results for ALK and multiple lymphadenopathy, we diagnosed ALK-positive ALCL forming a solitary skin tumor on the forearm. The patient received chemotherapy and presented marked improvement. This paper discusses the difficulty of diagnosing pediatric ALK-positive ALCL limited to the skin and reviews the medical published work. PMID- 27864832 TI - Colistin Reduces LPS-Triggered Inflammation in a Human Sepsis Model In Vivo: A Randomized Controlled Trial. AB - The previously described anti-endotoxin effect of colistin has not been investigated in humans yet. We performed a randomized, double-blind, placebo controlled crossover trial to determine the degree of colistin-driven modulation of inflammatory response in blood of lipopolysaccharide (LPS)-challenged healthy volunteers in a human endotoxemia model. After a single intravenous dose of 2.5 million IU colistin methanesulfonate, interleukin (IL)-6, IL-8, tumor necrosis factor alpha (TNF-alpha), and IL-1beta concentrations as well as other biomarkers of inflammation such as C-reactive protein, differential leukocyte counts, and body temperature were measured up to 24 h postdose. Colistin significantly decreased the inflammatory cytokine response to LPS in blood of healthy volunteers. This effect was most evident for IL-6, IL-8, and TNF-alpha. This study is the first to confirm the anti-endotoxin effect of colistin in humans in vivo. Further studies might increase our knowledge on the interaction between colistin and the effectors of the immune system. PMID- 27864834 TI - Case of metastatic uveal melanoma in which an antitumor effect appeared after ipilimumab discontinuation due to autoimmune hypophysitis. PMID- 27864833 TI - Structured clinical documentation in the electronic medical record to improve quality and to support practice-based research in epilepsy. AB - OBJECTIVE: Using the electronic medical record (EMR) to capture structured clinical data at the point of care would be a practical way to support quality improvement and practice-based research in epilepsy. METHODS: We describe our stepwise process for building structured clinical documentation support tools in the EMR that define best practices in epilepsy, and we describe how we incorporated these toolkits into our clinical workflow. RESULTS: These tools write notes and capture hundreds of fields of data including several score tests: Generalized Anxiety Disorder-7 items, Neurological Disorders Depression Inventory for Epilepsy, Epworth Sleepiness Scale, Quality of Life in Epilepsy-10 items, Montreal Cognitive Assessment/Short Test of Mental Status, and Medical Research Council Prognostic Index. The tools summarize brain imaging, blood laboratory, and electroencephalography results, and document neuromodulation treatments. The tools provide Best Practices Advisories and other clinical decision support when appropriate. The tools prompt enrollment in a DNA biobanking study. We have thus far enrolled 231 patients for initial visits and are starting our first annual follow-up visits and provide a brief description of our cohort. SIGNIFICANCE: We are sharing these EMR tools and captured data with other epilepsy clinics as part of a Neurology Practice Based Research Network, and are using the tools to conduct pragmatic trials using subgroup-based adaptive designs. PMID- 27864835 TI - Intrahepatic cholangiocarcinoma frequently shows loss of BAP1 and PBRM1 expression, and demonstrates specific clinicopathological and genetic characteristics with BAP1 loss. AB - AIMS: BAP1 and PBRM1 expression loss has been observed in multiple cancers, including intrahepatic cholangiocarcinoma (ICC). We investigated BAP1 and PBRM1 expression in ICC using immunohistochemistry, and analysed its association with clinicopathological and genetic features, including two histological subtypes. METHODS AND RESULTS: Whole-section slides of 108 consecutive primary ICC cases were immunostained against BAP1 and PBRM1. Complete loss of BAP1 and PBRM1 was observed in 21 (19.4%) and 25 (23.1%) cases, respectively, and partial loss was identified in four (3.7%) and nine (8.4%) cases. In all cases, normal bile ducts were strongly and diffusely positive for both BAP1 and PBRM1. ICC with BAP1 loss showed lower serum CA19-9 levels, less perineural invasion, rare mucin production, weaker immunoreactivity against S-100P and stronger immunoreactivity against N-cadherin and NCAM. IDH mutations were identified more frequently in ICCs with BAP1 loss. All ICC with BAP1 loss corresponded to small-duct type ICC. Multivariate Cox regression analysis showed that BAP1 loss was an independent prognostic factor for both overall and recurrence-free survival (P < 0.05). Conversely, PBRM1 loss was found in both small-duct type and large-duct type ICC, and was not associated significantly with any specific characteristics, including prognosis. CONCLUSION: BAP1 and PBRM1 loss is seen frequently in ICC. ICC with BAP1 loss shares features of small-duct type ICC. PMID- 27864836 TI - Choroidal and central foveal thickness in patients with scleroderma and its systemic associations. AB - BACKGROUND: The aim was to investigate the morphological changes in the fovea and choroid in patients with scleroderma and its systemic associations. METHODS: Thirty-four scleroderma patients and 31 healthy controls were enrolled. Choroidal thickness (CT) at five defined points (subfoveal [sfCT] and 1.0 [N1.0] and 3.0 um nasal [N3.0] and 1.0 [T1.0] and 3.0 um temporal [T3.0] from the centre of the fovea) and central foveal thickness were measured. RESULTS: The mean central foveal thickness (right eye 229.3 +/- 28.6 versus 232.6 +/- 29.7 and left eye 219.8 +/- 21.4 versus 223.3 +/- 21.9 um) and sfCT (right eye 326.4 +/- 56.5 versus 327.3 +/- 62.1 and left eye 316.7 +/- 53.4 versus 317.6 +/- 51.6 um) values were not different in patients with scleroderma compared with the controls (p > 0.05). The mean CT at N1.0, N3.0, T1.0 and T3.0 did not differ among these groups in both eyes (p > 0.05). There was no difference in the mean central foveal thickness and CT of both eyes in diffuse and limited scleroderma (p > 0.05). A negative correlation was found between anti-nuclear antibody positivity and CT at T3 and N3 (respectively, r = -0.439 and r = -0.383, p < 0.05). CONCLUSION: Choroidal thickness at five points and central foveal thickness in both eyes did not significantly differ in scleroderma patients compared with healthy controls. Choroidal thickness at the T3 and N3 points showed a negative correlation with anti-nuclear antibody positivity. PMID- 27864837 TI - Risk factors for nonpurulent leg cellulitis: a systematic review and meta analysis. AB - Nonpurulent cellulitis is an acute bacterial infection of the dermal and subdermal tissues that is not associated with purulent drainage, discharge or abscess. The objectives of this systematic review and meta-analysis were to identify and appraise all controlled observational studies that have examined risk factors for the development of nonpurulent cellulitis of the leg (NPLC). A systematic literature search of electronic databases and grey literature sources was performed in July 2015. The Newcastle-Ottawa Scale (NOS) was used to assess methodological quality of included studies. Of 3059 potentially eligible studies retrieved and screened, six case-control studies were included. An increased risk of developing NPLC was associated with previous cellulitis [odds ratio (OR) 40.3, 95% confidence interval (CI) 22.6-72.0], wound (OR 19.1, 95% CI 9.1-40.0), current leg ulcers (OR 13.7, 95% CI 7.9-23.6), lymphoedema/chronic leg oedema (OR 6.8, 95% CI 3.5-13.3), excoriating skin diseases (OR 4.4, 95% CI 2.7-7.1), tinea pedis (OR 3.2, 95% CI 1.9-5.3) and body mass index > 30 kg m-2 (OR 2.4, 95% CI 1.4-4.0). Diabetes, smoking and alcohol consumption were not associated with NPLC. Although diabetics may have been underrepresented in the included studies, local risk factors appear to play a more significant role in the development of NPLC than do systemic risk factors. Clinicians should consider the treatment of modifiable risk factors including leg oedema, wounds, ulcers, areas of skin breakdown and toe-web intertrigo while administering antibiotic treatment for NPLC. PMID- 27864838 TI - Preoperative alpha-blockade in phaeochromocytoma and paraganglioma: is it always necessary? AB - Resection of phaeochromocytoma and paraganglioma (PPGL) is traditionally preceded by alpha-blockade to prevent complications of haemodynamic instability intraoperatively. While there is general agreement on preoperative alpha-blockade for classic PPGLs presenting with hypertension, it is less clear whether alpha blockade is necessary in predominantly dopamine-secreting tumours, normotensive PPGLs, as well as tumours that appear to be biochemically 'silent'. Preoperative management of these 'atypical' PPGLs is challenging and the treatment approach must be individualized, carefully weighing the risk of intraoperative hypertension against the possibility of orthostatic and prolonged postoperative hypotension. Consideration of antihypertensive medication pharmacology in the light of catecholamine physiology and PPGL secretory profile will facilitate the formulation of individualized preoperative preparatory strategies. PMID- 27864839 TI - Reduction of the foreign body response and neuroprotection by apyrase and minocycline in chronic cannula implantation in the rat brain. AB - Implantation of electrodes or cannulae into the brain is accompanied by a tissue response referred to as foreign body response. Adenosine triphosphate (ATP) is one of the signalling molecules released by injured cells which mediate the chemoattraction of microglial cells. The constitutive release of pro-inflammatory and cytotoxic substances by microglial cells in chronic implants exacerbates neuronal cell death and the immune response. This study aimed to interfere with the initial events of the foreign body response in order to mitigate neurotoxicity and inflammation. For this purpose, the ATP-hydrolysing enzyme apyrase and the antibiotic minocycline with a broad range of anti-inflammatory, anti-apoptotic and glutamate-antagonist properties were locally infused during cannula implantation in the caudal forelimb area of the motor cortex in Lister Hooded rats. The rats' motor performance was assessed in a skilled reaching task and the distribution of neurons and glial cells in the vicinity of the implant was examined 2 and 6 weeks post-implantation. Apyrase as well as minocycline increased the number of surviving neurons and reduced microglial activation. Moreover, minocycline improved the motor performance and, additionally, caused a temporary reduction in astrogliosis, suggesting it as a possible therapeutic candidate to improve the biocompatibility of chronic brain implants. PMID- 27864840 TI - Ectopic respiratory mucosa in the skin which showed the repetitive distribution of ciliated bronchogenic epithelia and squamous metaplasia. PMID- 27864841 TI - Clinical factors predicting the therapeutic response to ustekinumab in patients with moderate to severe chronic plaque psoriasis. AB - While ustekinumab has been widely used as an effective biologic for the treatment of chronic plaque psoriasis, no prospective studies have specifically investigated the clinical factors that may influence treatment outcomes with ustekinumab. This post-hoc analysis aimed to identify specific clinical factors that may influence treatment outcomes with ustekinumab in psoriasis patients. In the MARCOPOLO study, 102 Korean patients with moderate to severe psoriasis were analyzed to assess the influence of baseline characteristics as clinical factors on clinical response (improvement in Psoriasis Area and Severity Index by >=75%/90% [PASI75/PASI90]) to ustekinumab. In addition, differences in PASI75 and PASI90 responses between the responder group and non-responders were evaluated at weeks 28 and 52. Multiple logistic regression analysis was used to determine adjusted clinical factors predicting treatment outcomes among patient characteristics. At week 28, there was a significant difference in PASI75/PASI90 response based on prior biologic experience, although the difference did not persist at week 52. In addition, after adjusting for the effects of relevant clinical factors, biologic experience was significantly associated with less PASI75 (odds ratio [OR] = 0.14, P = 0.001) and PASI90 (OR = 0.22, P = 0.036) responses at week 28. The presence of comorbidities was higher among non responders than among PASI75/PASI90 responders at both weeks 28 and 52, but was not statistically significant. Previous biologic use was the only clinical factor predicting less response at week 28, although it did not influence the clinical response after week 52. Further studies are warranted to investigate the association between presence of comorbidities and clinical response. PMID- 27864842 TI - Elevation of serum carcinoembryonic antigen in a case of cholinergic urticaria with failed detection of hypohidrosis by the conventional starch-iodine test. PMID- 27864843 TI - Measurement of caffeine and its three primary metabolites in human plasma by HPLC ESI-MS/MS and clinical application. AB - Caffeine is a mild stimulant with significant potential for abuse, being consumed in larger doses with the widespread availability of energy drinks and by novel routes of administration such as inspired powder, oral sprays and electronic cigarettes. How these recent changes in caffeine consumption affecting caffeine disposition and abuse potential is of growing concern. In the study of caffeine disposition in humans, it is common to only measure the caffeine concentration; however, caffeine's three major metabolites (paraxanthine, theobromine and theophylline) retain central nervous system stimulant activity that may contribute to the overall pharmacological activity and toxicity. Therefore, it would be scientifically more rigorous to measure caffeine and its major metabolites in the evaluation of caffeine disposition in human subjects. Herein, we report a method for the simultaneous quantification of caffeine and its three major metabolites in human plasma by high-performance liquid chromatography coupled to electrospray tandem mass spectrometry (HPLC-ESI-MS/MS). Human plasma samples were treated by simple protein precipitation and the analytes were separated using a 6 min gradient program. Precision and accuracy were well within in the 15% acceptance range. The simple sample preparation, short runtime, sensitivity and the inclusion of caffeine's major metabolites make this assay methodology optimal for the study of caffeine's pharmacokinetics and pharmacodynamics in human subjects. PMID- 27864844 TI - Pyogenic granuloma possibly associated with capecitabine therapy. PMID- 27864845 TI - Activity of the anticonvulsant lacosamide in experimental and human epilepsy via selective effects on slow Na+ channel inactivation. AB - OBJECTIVE: In human epilepsy, pharmacoresistance to antiepileptic drug therapy is a major problem affecting ~30% of patients with epilepsy. Many classical antiepileptic drugs target voltage-gated sodium channels, and their potent activity in inhibiting high-frequency firing has been attributed to their strong use-dependent blocking action. In chronic epilepsy, a loss of use-dependent block has emerged as a potential cellular mechanism of pharmacoresistance for anticonvulsants acting on voltage-gated sodium channels. The anticonvulsant drug lacosamide (LCM) also targets sodium channels, but has been shown to preferentially affect sodium channel slow inactivation processes, in contrast to most other anticonvulsants. METHODS: We used whole-cell voltage clamp recordings in acutely isolated cells to investigate the effects of LCM on transient Na+ currents. Furthermore, we used whole-cell current clamp recordings to assess effects on repetitive action potential firing in hippocampal slices. RESULTS: We show here that LCM exerts its effects primarily via shifting the slow inactivation voltage dependence to more hyperpolarized potentials in hippocampal dentate granule cells from control and epileptic rats, and from patients with epilepsy. It is important to note that this activity of LCM was maintained in chronic experimental and human epilepsy. Furthermore, we demonstrate that the efficacy of LCM in inhibiting high-frequency firing is undiminished in chronic experimental and human epilepsy. SIGNIFICANCE: Taken together, these results show that LCM exhibits maintained efficacy in chronic epilepsy, in contrast to conventional use-dependent sodium channel blockers such as carbamazepine. They also establish that targeting slow inactivation may be a promising strategy for overcoming target mechanisms of pharmacoresistance. PMID- 27864846 TI - Monochorial diamniotic dizygotic twins in a German Shepherd Dog: A case report. AB - CASE REPORT: A 6.5-year-old clinically healthy German Shepherd Dog with regular oestrous cycles of 6 months was presented for pregnancy diagnosis on day 38 after ovulation (p.ov.). Ultrasonography revealed three individual placental sites in progressed resorption and two vital adequately developed foetuses sharing a joint placenta. On days 41 and 48 p.ov., sonographic signs indicated normal development of both foetuses, but on day 52 p.ov., both foetuses were found to be dead. A caesarean section was performed the same day. Examination of the removed uterus confirmed the diagnosis of a "twin" pregnancy with two foetuses sharing the same placental site but separate amniotic membranes. One foetus showed generalized oedema (anasarca). Bacterial culture of swabs taken from inside the placental cavity was negative. At histological examination of the uterus, no signs of inflammation were found. Serum relaxin concentrations (day 38, 41, 48 and 52. p.ov.) were consistent with those of bitches with normal pregnancies. Cytogenetic analysis of the two foetuses revealed dizygotic twins, one male and one female according to SRY-PCR. By genotyping 17 high-polymorphic canine microsatellites, it could be demonstrated that the two foetuses developed from two different oocytes. PMID- 27864847 TI - Diagnostic Targeted Resequencing in 349 Patients with Drug-Resistant Pediatric Epilepsies Identifies Causative Mutations in 30 Different Genes. AB - Targeted resequencing gene panels are used in the diagnostic setting to identify gene defects in epilepsy. We performed targeted resequencing using a 30-genes panel and a 95-genes panel in 349 patients with drug-resistant epilepsies beginning in the first years of life. We identified 71 pathogenic variants, 42 of which novel, in 30 genes, corresponding to 20.3% of the probands. In 66% of mutation positive patients, epilepsy onset occurred before the age of 6 months. The 95-genes panel allowed a genetic diagnosis in 22 (6.3%) patients that would have otherwise been missed using the 30-gene panel. About 50% of mutations were identified in genes coding for sodium and potassium channel components. SCN2A was the most frequently mutated gene followed by SCN1A, KCNQ2, STXBP1, SCN8A, CDKL5, and MECP2. Twenty-nine mutations were identified in 23 additional genes, most of them recently associated with epilepsy. Our data show that panels targeting about 100 genes represent the best cost-effective diagnostic option in pediatric drug resistant epilepsies. They enable molecular diagnosis of atypical phenotypes, allowing to broaden phenotype-genotype correlations. Molecular diagnosis might influence patients' management and translate into better and specific treatment recommendations in some conditions. PMID- 27864848 TI - Age-related small vessel disease: a potential contributor to neurodegeneration in multiple sclerosis. AB - Multiple sclerosis (MS) is a chronic inflammatory demyelinating disorder of the central nervous system wherein, after an initial phase of transient neurological defects, slow neurological deterioration due to progressive neuronal loss ensues. Age is a major determinant of MS progression onset and disability. Over the past years, several mechanisms have been proposed to explain the key drivers of neurodegeneration and disability accumulation in MS. However, the effect of commonly encountered age-related cerebral vessel disease, namely small vessel disease (SVD), has been largely neglected and constitutes the aim of this review. SVD shares some features with MS, that is, white matter demyelination and brain atrophy, and has been shown to contribute to the neuronal damage seen in vascular cognitive impairment. Several lines of evidence suggest that an interaction between MS and SVD may influence MS-related neurodegeneration. SVD may contribute to hypoperfusion, reduced vascular reactivity and tissue hypoxia, features seen in MS. Venule and endothelium abnormalities have been documented in MS but the role of arterioles and of other neurovascular unit structures, such as the pericyte, has not been explored. Vascular risk factors (VRF) have recently been associated with faster progression in MS, though the mechanisms are unclear since very few studies have addressed the impact of VRF and SVD on MS imaging and pathology outcomes. Therapeutic agents targeting the microvasculature and the neurovascular unit may impact both SVD and MS and may benefit patients with dual pathology. PMID- 27864849 TI - Impact of plant growth-promoting rhizobacteria on root colonization potential and life cycle of Rhizophagus irregularis following co-entrapment into alginate beads. AB - AIMS: This study aimed at evaluating the impact of seven plant growth-promoting rhizobacteria (PGPR) on root colonization and life cycle of Rhizophagus irregularis MUCL 41833 when co-entrapped in alginate beads. METHODS AND RESULTS: Two in vitro experiments were conducted. The first consisted of the immobilization of R. irregularis and seven PGPR isolates into alginate beads to assess the effect of the bacteria on the pre-symbiotic growth of the fungus. In the second experiment, the best performing PGPR from experiment 1 was tested for its ability to promote the symbiotic development of the AMF in potato plantlets from three cultivars. Results showed that only one isolate identified as Pseudomonas plecoglossicida (R-67094) promoted germ tube elongation and hyphal branching of germinated spores during the pre-symbiotic phase of the fungus. This PGPR further promoted the symbiotic development of the AMF in potato plants. CONCLUSIONS: The co-entrapment of Ps. plecoglossicida R-67094 and R. irregularis MUCL 41833 in alginate beads improved root colonization by the AMF and its further life cycle under the experimental conditions. SIGNIFICANCE AND IMPACT OF THE STUDY: Co-entrapment of suitable AMF-PGPR combinations within alginate beads may represent an innovative technology that can be fine-tuned for the development of efficient consortia-based bioformulations. PMID- 27864851 TI - Letter to the editor - HPV vaccine and autoimmunity Incidence of new-onset autoimmune disease in girls and women with pre-existing autoimmune disease after quadrivalent human papillomavirus vaccination: a cohort study. PMID- 27864850 TI - Hyperhomocysteinemia in Greyhounds and its Association with Hypofolatemia and Other Clinicopathologic Variables. AB - BACKGROUND: Folate and cobalamin are essential cofactors for homocysteine (HCY) metabolism. Hyperhomocysteinemia, a multifactorial condition, may reflect B vitamin deficiency and is associated with increased risk of cardiovascular disease, thrombosis, and neurodegenerative and chronic gastrointestinal diseases in humans. Hyperhomocysteinemia has been reported in Greyhounds with suspected chronic enteropathy. OBJECTIVES: To evaluate the frequencies of and the association between hypofolatemia and hyperhomocysteinemia in Greyhounds. ANIMALS: Data and serum samples from 559 Greyhounds. METHODS: Nested case-control study. The frequency of hypofolatemia in Greyhounds was determined by a laboratory database search. The relationship between hyperhomocysteinemia (measured by gas chromatography-mass spectrometry) and hypocobalaminemia and hypofolatemia was evaluated, and its frequency compared between healthy Greyhounds and Greyhounds with thrombosis or chronic diarrhea. RESULTS: Hypofolatemia was identified in 172 of 423 (41%) Greyhounds and was more common in hypo- than in normocobalaminemic dogs (49% vs. 35%; P = .0064). Hyperhomocysteinemia was detected in 53 of 78 (68%) of Greyhounds, being more common in hypo- than in normofolatemic dogs (88% vs. 59%; P = .0175). All healthy Greyhounds, 21 of 30 (70%) of dogs with chronic diarrhea and 6 of 8 (75%) of those with thrombosis, were hyperhomocysteinemic. Serum HCY concentrations were inversely correlated with serum folate concentration (rho = -0.28; P = .0386) and were positively associated with serum albumin concentration (rho = 0.66; P = .0022). CONCLUSIONS AND CLINICAL RELEVANCE: Hyperhomocysteinemia occurs frequently in the Greyhound population. Its association with hypofolatemia suggests decreased intracellular availability of B vitamins, but the functional implications warrant further investigation. Hyperhomocysteinemia in Greyhounds potentially may serve as a spontaneous canine model to further investigate hyperhomocysteinemia in humans. PMID- 27864854 TI - IgG4-related hypophysitis is highly prevalent among cases of histologically confirmed hypophysitis. AB - IgG4-related disease is an immune-mediated disease with manifestations in most organ systems among them the pituitary gland. To date, few cases of histologically confirmed cases of IgG-related hypophysitis have been reported. The aim of this study was to retrospectively determine the prevalence of IgG4 related hypophysitis among cases previously diagnosed as primary hypophysitis (lymphocytic hypophysitis, granulomatous hypophysitis and hypophysitis not otherwise specified). Histological and immunohistochemical analysis revealed that 12 of 29 cases (41.4%) previously diagnosed as primary hypophysitis fulfilled the criteria for IgG4-related disease and, thus, IgG4-related hypophysitis should always be considered in the differential diagnosis of primary hypophysitis. All cases of IgG4-related hypophysitis showed a dense lymphoplasmacytic infiltrate with more than 10 IgG4-positive cells per high power field and a ratio of IgG4/IgG-positive cells of more than 40%, whereas storiform fibrosis was an inconsistent histological feature and was also seen in few cases of non-IgG related hypophysitis, thus lacking sensitivity and specificity. Obliterative phlebitis was not seen in any case. Thus, histological criteria defined for IgG4 related disease in other organs should be modified for IgG4-related hypophysitis, accordingly. PMID- 27864853 TI - PET radiotracer development for imaging high-affinity state of dopamine D2 and D3 receptors: Binding studies of fluorine-18 labeled aminotetralins in rodents. AB - Imaging the high-affinity, functional state (HA) of dopamine D2 and D3 receptors has been pursued in PET imaging studies of various brain functions. We report further evaluation of 18 F-5-OH-FPPAT, and the newer 18 F-5-OH-FHXPAT and 18 F-7 OH-FHXPAT. Syntheses of 18 F-5-OH-FHXPAT and 18 F-7-OH-FHXPAT were improved by modifications of our previously reported procedures. Brain slices and brain homogenates from male Sprague-Dawley rats were used with the 3 radiotracers (74 111 kBq/cc). Competition with dopamine (1-100 nM) and Gpp(NH)p (10-50 uM) were carried out to demonstrate binding to dopamine D2 and D3 HA-states and binding kinetics of 18 F-5-OH-FPPAT measured. Ex vivo brain slice autoradiography was carried out on rats administered with 18 F-5-OH-FHXPAT to ascertain HA-state binding. PET/CT imaging in rats and wild type (WT) and D2 knock-out mice were carried out using 18 F-7-OH-FHXPAT (2-37 MBq). Striatum was clearly visualized by the three radiotracers in brain slices and dopamine displaced more than 80% of binding, with dissociation rate in homogenates of 2.2 * 10-2 min-1 for 18 F-5-OH FPPAT. Treatment with Gpp(NH)p significantly reduced 50-80% striatal binding with faster dissociation rates (5.0 * 10-2 min-1 ), suggesting HA-state binding of 18 F-5-OH-FPPAT and 18 F-5-OH-FHXPAT. Striatal binding of 18 F-5-OH-FHXPAT in ex vivo brain slices were sensitive to Gpp(NH)p, suggesting HA-state binding in vivo. PET binding ratios of 18 F-7-OH-FHXPAT in rat brain were ventral striatum/cerebellum = 2.09 and dorsal striatum/cerebellum = 1.65; similar binding ratios were found in the D2 WT mice. These results suggest that in vivo PET measures of agonists in the brain at least in part reflect binding to the membrane-bound HA-state of the dopamine receptor. PMID- 27864852 TI - H+ -pyrophosphatase IbVP1 promotes efficient iron use in sweet potato [Ipomoea batatas (L.) Lam.]. AB - Iron (Fe) deficiency is one of the most common micronutrient deficiencies limiting crop production globally, especially in arid regions because of decreased availability of iron in alkaline soils. Sweet potato [Ipomoea batatas (L.) Lam.] grows well in arid regions and is tolerant to Fe deficiency. Here, we report that the transcription of type I H+ -pyrophosphatase (H+ -PPase) gene IbVP1 in sweet potato plants was strongly induced by Fe deficiency and auxin in hydroponics, improving Fe acquisition via increased rhizosphere acidification and auxin regulation. When overexpressed, transgenic plants show higher pyrophosphate hydrolysis and plasma membrane H+ -ATPase activity compared with the wild type, leading to increased rhizosphere acidification. The IbVP1-overexpressing plants showed better growth, including enlarged root systems, under Fe-sufficient or Fe deficient conditions. Increased ferric precipitation and ferric chelate reductase activity in the roots of transgenic lines indicate improved iron uptake, which is also confirmed by increased Fe content and up-regulation of Fe uptake genes, e.g. FRO2, IRT1 and FIT. Carbohydrate metabolism is significantly affected in the transgenic lines, showing increased sugar and starch content associated with the increased expression of AGPase and SUT1 genes and the decrease in beta-amylase gene expression. Improved antioxidant capacities were also detected in the transgenic plants, which showed reduced H2 O2 accumulation associated with up regulated ROS-scavenging activity. Therefore, H+ -PPase plays a key role in the response to Fe deficiency by sweet potato and effectively improves the Fe acquisition by overexpressing IbVP1 in crops cultivated in micronutrient deficient soils. PMID- 27864855 TI - Planar PtPd3 Complexes Stabilized by Three Bridging Silylene Ligands. AB - A heterobimetallic PtPd3 complex supported by three bridging diphenylsilylene ligands, [Pt{Pd(dmpe)}3 (MU3 -SiPh2 )3 ] (1, dmpe=1,2 bis(dimethylphosphino)ethane), has been synthesized from mononuclear Pd and Pt complexes. The hexagonal core composed of Pt, Pd, and Si atoms is slightly larger than that of the tetrapalladium complex, [Pd{Pd(dmpe)}3 (MU3 -SiPh2 )3 ] (2). Reaction of PhSiH3 with complex 1 in the presence and absence of Ph2 SiH2 results in the formation of a tetranuclear complex with silyl and hydride ligands at the Pt center, [PtH(SiPh2 H){Pd(dmpe)}3 (MU3 -SiHPh)3 ] (3), and an octanuclear complex, [{Pt{Pd(dmpe)}3 (MU3 -SiHPh)3 }2 (kappa2 -dmpe)] (5), respectively. Both M-Si (M=Pt, Pd) bond lengths and the 29 Si NMR chemical shifts of 1 and 2 are located between those of mononuclear late transition-metal complexes with a silylene ligand and complexes with donor-stabilized silylene ligands. CuI and AgI adducts of 1 and 2, formulated as [M(MU-M'I){Pd(dmpe)}3 (MU3 -SiPh2 )3 ] (M=Pt, Pd; M'=Cu, Ag), undergo elimination of CuI (AgI) and regenerate the tetrametallic complexes upon heating or addition of a chelating diphosphine. Elimination of AgI from 2-AgI occurs more rapidly than elimination of CuI from 2-CuI, as determined from the results of kinetics experiments. PMID- 27864856 TI - Capturing differences in dental training using a virtual reality simulator. AB - Virtual reality simulators are becoming increasingly popular in dental schools across the world. But to what extent do these systems reflect actual dental ability? Addressing this question of construct validity is a fundamental step that is necessary before these systems can be fully integrated into a dental school's curriculum. In this study, we examined the sensitivity of the Simodont (a haptic virtual reality dental simulator) to differences in dental training experience. Two hundred and eighty-nine participants, with 1 (n = 92), 3 (n = 79), 4 (n = 57) and 5 (n = 61) years of dental training, performed a series of tasks upon their first exposure to the simulator. We found statistically significant differences between novice (Year 1) and experienced dental trainees (operationalised as 3 or more years of training), but no differences between performance of experienced trainees with varying levels of experience. This work represents a crucial first step in understanding the value of haptic virtual reality simulators in dental education. PMID- 27864857 TI - Protein SUMOylation is Involved in Cell-cycle Progression and Cell Morphology in Giardia lamblia. AB - The unicellular protozoa Giardia lamblia is a food- and waterborne parasite that causes giardiasis. This illness is manifested as acute and self-limited diarrhea and can evolve to long-term complications. Successful establishment of infection by Giardia trophozoites requires adhesion to host cells and colonization of the small intestine, where parasites multiply by mitotic division. The tight binding of trophozoites to host cells occurs by means of the ventral adhesive disc, a spiral array of microtubules and associated proteins such as giardins. In this work we show that knock down of the Small Ubiquitin-like MOdifier (SUMO) results in less adhesive trophzoites, decreased cell proliferation and deep morphological alterations, including at the ventral disc. Consistent with the reduced proliferation, SUMO knocked-down trophozoites were arrested in G1 and in S phases of the cell cycle. Mass spectrometry analysis of anti-SUMO immunoprecipitates was performed to identify SUMO substrates possibly involved in these events. Among the identified SUMOylation targets, alpha-tubulin was further validated by Western blot and confirmed to be a SUMO target in Giardia trophozoites. PMID- 27864858 TI - Authors' response: Letter to the Editor - HPV vaccine and autoimmunity. PMID- 27864859 TI - Roles and competences for educators of undergraduate dental students: a discussion paper. AB - INTRODUCTION: Dental educators are important people who contribute to the development of every aspect of dental education. In part due to the lack of understanding of their roles and competences, dental educator development has so far received little consideration. With the aim of enhancing the dental profession's contribution to the development of undergraduate dental education, this article explores common roles of educators of undergraduate dental students and the competences needed to be effective educators. METHODS: This is a discussion paper based on a wide reading of the literature on the education of health professionals with a specific focus on roles and competences of educators. RESULTS AND DISCUSSION: Roles of educators of undergraduate dental students typically encompass four areas: teaching, research, administration and providing healthcare. Educators may not be involved in every role; they normally perform the roles relevant to their work contexts. Competences for dental educators based on the four main roles comprise 12 domains: educational theories and principles; modes of education; learner issues; educational materials and instructional design; assessment and feedback; curriculum matters; evaluation; educational research; educational management; quality assurance; patient care and healthcare system and professionalism. Not all competences are required by all educators although educators need to be competent in the areas related to their roles and duties. CONCLUSION: Understanding the roles and competences for educators of undergraduate dental students can help individual educators to improve their personal effectiveness and institutions to tailor staff development programmes appropriate to the needs of their staff. Faculty development contributes to sustained enhancement of undergraduate dental education. PMID- 27864860 TI - Evaluation of a loop-mediated isothermal amplification assay based on hrpZ gene for rapid detection and identification of Pseudomonas syringae pv. lachrymans in cucumber leaves. AB - AIMS: Cucumber angular leaf spot caused by Pseudomonas syringae pv. lachrymans (Psl) is an important and destructive disease worldwide, and no effective technique has been developed for the control of the pathogen. Detection of infection or latent in cucumber plants is critical to evaluate disease progress and strengthening management to avoid a serious epidemic in the fields. In this paper, we developed a rapid and sensitive method for detection of Psl using an isothermal method known as loop-mediated amplification (LAMP). METHODS AND RESULTS: A set of six primers was designed to amplify the gene coding for the hrpZ, and conditions for detection were optimized to complete in 60 min at 67 degrees C, and the amplification were confirmed through gel electrophoresis or visually inspected using calcein stain. The specificity of LAMP primers set was widely validated on Psl and nontarget strains. In sensitivity testing, LAMP allowed detection as low as 104 CFU per ml bacterial cells without DNA extraction. The novel method was also applied for detecting Psl in infected cucumber leaves, and even the early onset of disease can be detected by the assay. CONCLUSIONS: This study confirmed that the novel developed LAMP assay is an easy, rapid and sensitive method for the detection of Psl in infected leaves. SIGNIFICANCE AND IMPACT OF THE STUDY: The method is suitable for direct detection of Psl without strain enrichment and complex DNA extraction from samples in the field, and hence it has the capability to be used for on-site disease diagnosis and field surveys. PMID- 27864862 TI - Heparin-induced multi-electrode aggregometry method for heparin-induced thrombocytopenia testing: communication from the SSC of the ISTH. PMID- 27864863 TI - Subretinal neovascularization as the only ocular sign of osteogenesis imperfecta: a case report. PMID- 27864861 TI - Fight or flight? - Flight increases immune gene expression but does not help to fight an infection. AB - Flight represents a key trait in most insects, being energetically extremely demanding, yet often necessary for foraging and reproduction. Additionally, dispersal via flight is especially important for species living in fragmented landscapes. Even though, based on life-history theory, a negative relationship may be expected between flight and immunity, a number of previous studies have indicated flight to induce an increased immune response. In this study, we assessed whether induced immunity (i.e. immune gene expression) in response to 15 min forced flight treatment impacts individual survival of bacterial infection in the Glanville fritillary butterfly (Melitaea cinxia). We were able to confirm previous findings of flight-induced immune gene expression, but still observed substantially stronger effects on both gene expression levels and life span due to bacterial infection compared to flight treatment. Even though gene expression levels of some immunity-related genes were elevated due to flight, these individuals did not show increased survival of bacterial infection, indicating that flight-induced immune activation does not completely protect them from the negative effects of bacterial infection. Finally, an interaction between flight and immune treatment indicated a potential trade-off: flight treatment increased immune gene expression in naive individuals only, whereas in infected individuals no increase in immune gene expression was induced by flight. Our results suggest that the up-regulation of immune genes upon flight is based on a general stress response rather than reflecting an adaptive response to cope with potential infections during flight or in new habitats. PMID- 27864865 TI - Introduction to symposium: 'New genetics with impact on treatment of endocrine tumour disease'. PMID- 27864864 TI - Genetics of adrenocortical tumours. AB - The recently available genomic sequencing techniques have led to breakthroughs in understanding of the underlying genetic mechanisms in adrenocortical tumours. Disease-causing mutations have been described for aldosterone-producing adenomas, cortisol-producing adenomas and adrenocortical carcinomas. Further, knowledge gained from transcriptome analyses and methylation arrays has provided new insights into the development of these tumours. Elucidation of the genomic landscape of adrenocortical tumours and improved techniques may in the future be useful for early diagnosis through the detection of mutated DNA in the circulation. Moreover, compounds that bind specifically to altered proteins may be used as screening targets or therapeutic agents. Regulation of cortisol release by interaction with an altered subunit in adenylate cyclase may be more complex, but may provide a new option for regulating steroid release. Information about derangements in adrenocortical carcinoma is already helpful for determining patient prognosis. With further knowledge, we may be able to identify novel biomarkers that effectively and noninvasively help in differentiating between benign and malignant disease. It is clear that the next few years will provide much novel information that hopefully will aid in the treatment of patients with adrenocortical tumours. PMID- 27864867 TI - Potential beneficial effect of low-dose danazol in combination with renin angiotensin system inhibitors in diabetic macular oedema. PMID- 27864868 TI - Repigmentation in vitiligo: position paper of the Vitiligo Global Issues Consensus Conference. AB - The Vitiligo Global Issues Consensus Conference (VGICC), through an international e-Delphi consensus, concluded that 'repigmentation' and 'maintenance of gained repigmentation' are essential core outcome measures in future vitiligo trials. This VGICC position paper addresses these core topics in two sections and includes an atlas depicting vitiligo repigmentation patterns and color match. The first section delineates mechanisms and characteristics of vitiligo repigmentation, and the second section summarizes the outcomes of international meeting discussions and two e-surveys on vitiligo repigmentation, which had been carried out over 3 yr. Treatment is defined as successful if repigmentation exceeds 80% and at least 80% of the gained repigmentation is maintained for over 6 months. No agreement was found on the best outcome measure for assessing target or global repigmentation, therefore highlighting the limitations of e-surveys in addressing clinical measurements. Until there is a clear consensus, existing tools should be selected according to the specific needs of each study. A workshop will be conducted to address the remaining issues so as to achieve a consensus. PMID- 27864870 TI - Hereditary hemorrhagic telangiectasia: to transplant or not to transplant? AB - This report comments the case reported by Muller et al. which describes a combination of at least two different indications for orthotopic liver transplant (OLT) in a same patient: hepatocarcinoma and HHT complicated with severe liver involvement and high output cardiac failure. This case report highlighted that the clear time for OLT in HHT can be difficult to determine. In HHT, if intensive medical approach is not efficient, OLT, has to be considered. In the case of Muller et al., the patient was correctly listed for OLT for a single hepatocellular carcinoma, however, he did not receive a sufficient priority so as to avoid worsening of liver vascular malformations complications. Bevacizumab may be a therapeutic option in the treatment of complicated liver VMs in HHT, However, the recurrence of symptoms after withdrawal of the drug make it unsuitable as a replacement for OLT in the cure of complicated liver VMs in HHT. In the case reported by Muller et al. the right "OLT window" after bevacizumab was lost. The right time for OLT in severe complicated liver VMs in HHT does exist but, as this case illustrates, it can be very difficult to determine. As OLT is a radical cure for liver VMs, with excellent outcomes, it should be the therapeutic choice in patients under the age of 65 years. Bevacizumab may be an interesting option, either for patients over the age of 65 years, or those who are poor candidates for surgery; if these latter respond to bevacizumab they should be re- evaluated for OLT (with a "fast- track") as the prognosis of severe complicated liver VMs is very poor. PMID- 27864871 TI - Hereditary haemorrhagic telangiectasia: to transplant or not to transplant? AB - The Association of hereditary hemorrhagic telangiectasia (HHT) and type I hereditary angioedema is a very rare condition in medicine. The case reported by Muller et al., describes the coexistence of the two diseases and emphasizes the need for listing HHT patients for liver transplantation in case indications occurs, such as the presence of HCC, abnormally increased cardiac output, and gastrointestinal bleeding as reported for this case. The case described by Mueller et al. is anecdotal for the usefulness of liver transplantation in HHT patients and shows that liver transplantation may be the best supportive care and, sometimes, the unique and final therapeutic option for these patients. PMID- 27864872 TI - Management of hepatitis B-related cirrhosis in the era of effective antiviral therapy. PMID- 27864869 TI - Anthoxanthin Polyphenols Attenuate Abeta Oligomer-induced Neuronal Responses Associated with Alzheimer's Disease. AB - AIMS: Epidemiological evidence implicates polyphenols as potential natural therapeutics for Alzheimer's disease (AD). To investigate this prospect, five anthoxanthin polyphenols were characterized for their ability to reduce amyloid beta (Abeta) oligomer-induced neuronal responses by two mechanisms of action, modulation of oligomerization and antioxidant activity, as well as the synergy between these two mechanisms. METHODS: Anthoxanthin oligomerization modulation and antioxidant capabilities were evaluated and correlated with anthoxanthin attenuation of oligomer-induced intracellular reactive oxygen species (ROS) and caspase activation using human neuroblastoma cell treatments designed to isolate these mechanisms of action and to achieve dual-action. RESULTS: While modulation of oligomerization resulted in only minor reductions to neuronal responses, anthoxanthin antioxidant action significantly attenuated oligomer-induced intracellular ROS and caspase activation. Kaempferol uniquely exhibited synergism when the two mechanisms functioned in concert, leading to a pronounced reduction in both ROS and caspase activation. CONCLUSIONS: Together, these findings identify the dominant mechanism by which these anthoxanthins attenuate Abeta oligomer-induced neuronal responses, elucidate their prospective synergy, and demonstrate the potential of anthoxanthin polyphenols as natural AD therapeutics. PMID- 27864873 TI - Hereditary haemorrhagic telangiectasia: to transplant or not to transplant - is there a right time for liver transplantation? AB - BACKGROUND & AIMS: Hereditary haemorrhagic telangiectasia is characterized by arterio-venous malformations (AVM). It frequently involves the liver without clinical symptoms, but may lead to biliary ischaemia, portal hypertension, or fatal high-output heart failure. The indication of liver transplantation is controversial. METHODS: Herein, we report the case of a 65-year-old female patient with a 'double Osler syndrome' consisting of hereditary haemorrhagic telangiectasia (HHT) and type I hereditary angioedema diagnosed at the age of 25 and 22 years respectively. RESULTS: Hereditary angioedema was treated with danazol for several decades until multiple hypoechogenic liver masses were detected. Albeit danazol treatment was replaced by C1 esterase inhibitor infusions, hepatocellular carcinoma was diagnosed at the age of 64 and the patient was listed for liver transplantation. HHT was marked by recurrent epistaxis until the age of 63 when severe intestinal bleeding occurred. At the age of 65, severe dyspnoea (NYHA class IV) developed and rapidly progressive high output cardiac failure was diagnosed. Despite argon plasma coagulation to control bleeding from intestinal angiodysplasia, and treatment with bevacizumab to inhibit angiogenesis, the patient died from severe gastrointestinal bleeding associated with cardiogenic shock at the age of 66 before being transplanted. CONCLUSION: The indication to list this patient for liver transplantation was debated several times before the diagnosis of hepatocellular carcinoma because of good general condition and low MELD score. Precise guidelines for screening and management of patients with hepatic HHT need to be better defined. PMID- 27864874 TI - Prognostic biomarkers and surrogate end points in PSC. PMID- 27864875 TI - Response to Ablation and resection for hepatocellular carcinoma within the Milan criteria and high alpha-fetoprotein levels. PMID- 27864877 TI - The role of retinopathy distribution and other lesion types for the definition of examination intervals during screening for diabetic retinopathy. AB - PURPOSE: It has previously been shown that the intervals between screening examinations for diabetic retinopathy can be optimized by including individual risk factors for the development of the disease in the risk assessment. However, in some cases, the risk model calculating the screening interval may recommend a different interval than an experienced clinician. The purpose of this study was to evaluate the influence of factors unrelated to diabetic retinopathy and the distribution of lesions for discrepancies between decisions made by the clinician and the risk model. METHODS: Therefore, fundus photographs from 90 screening examinations where the recommendations of the clinician and a risk model had been discrepant were evaluated. Forty features were defined to describe the type and location of the lesions, and classification and ranking techniques were used to assess whether the features could predict the discrepancy between the grader and the risk model. RESULTS: Suspicion of tumours, retinal degeneration and vascular diseases other than diabetic retinopathy could explain why the clinician recommended shorter examination intervals than the model. Additionally, the regional distribution of microaneurysms/dot haemorrhages was important for defining a photograph as belonging to the group where both the clinician and the risk model had recommended a short screening interval as opposed to the other decision alternatives. CONCLUSIONS: Features unrelated to diabetic retinopathy and the regional distribution of retinal lesions may affect the recommendation of the examination interval during screening for diabetic retinopathy. The development of automated computerized algorithms for extracting information about the type and location of retinal lesions could be expected to further optimize examination intervals during screening for diabetic retinopathy. PMID- 27864878 TI - Toric intraocular lens implantation in children with developmental cataract and preexisting corneal astigmatism. PMID- 27864879 TI - Highly Fluorescent Non-Conventional Boron-Difluoride-Based pi Organogel with Gelation-Assisted Piezochromism. AB - Triphenylamine-functionalized boron 2-(2'-pyridyl)imidazole complex bearing no alkyl chains or H-bond unit was found to be able to gelate a series of solvents, and the balanced intermolecular pi-pi interactions play an important role in its supramolecular self-assembly. The gelator molecule is piezochromic, and the dried gel responded to pressure more sensitively than regular crystalline powder. PMID- 27864876 TI - Kinase gene fusions in defined subsets of melanoma. AB - Genomic rearrangements resulting in activating kinase fusions have been increasingly described in a number of cancers including malignant melanoma, but their frequency in specific melanoma subtypes has not been reported. We used break-apart fluorescence in situ hybridization (FISH) to identify genomic rearrangements in tissues from 59 patients with various types of malignant melanoma including acral lentiginous, mucosal, superficial spreading, and nodular. We identified four genomic rearrangements involving the genes BRAF, RET, and ROS1. Of these, three were confirmed by Immunohistochemistry (IHC) or sequencing and one was found to be an ARMC10-BRAF fusion that has not been previously reported in melanoma. These fusions occurred in different subtypes of melanoma but all in tumors lacking known driver mutations. Our data suggest gene fusions are more common than previously thought and should be further explored particularly in melanomas lacking known driver mutations. PMID- 27864880 TI - Preoperative and postoperative measurements of retinal vessel oxygen saturation in patients with different grades of cataracts. AB - PURPOSE: To assess the retinal vessel blood oxygen saturation preoperatively and postoperatively in patients with different grades of cataracts. METHODS: This study included 40 eyes from 40 patients with senile cataracts ranging from grade 1 to 3. All 40 eyes received standard phacoemulsification and intraocular lens implantation. The mean retinal arterial and venular oxygen saturation (SO2 ) levels were measured using the Oxymap system prior to, immediately after and 3 months after cataract surgery. The arterial-venular difference (AVD) was calculated as the difference between the arterial and venular saturations. Linear regression analysis was performed to identify the relationship between the lens density grades and changes in the measured retina vessel SO2 . RESULTS: The mean age of the subjects was 64.1 +/- 7.8 years, and 14 (35%) were male. The mean SO2 level increased in the retinal arterioles from 90.5 +/- 7.8% to 95.0 +/- 6.7% immediately postoperatively and to 98.3 +/- 5.3% at 3 months after surgery (p < 0.001). The mean venular saturation levels were 43.4 +/- 9.7%, 58.0 +/- 8.5% and 61.9 +/- 6.5% at baseline, immediately after and at 3 months postoperatively, respectively, with a statistically significant increase after surgery (p < 0.001). The mean AVD significantly decreased from 47.1 +/- 8.9% before surgery to 37.1 +/- 7.3% immediately after and 36.4 +/- 6.4% 3 months after surgery (p < 0.02). A linear regression model indicated that denser lens opacity was significantly associated with a larger amplitude of the venular SO2 level and the AVD after cataract surgery: change of venous SO2 = 5.934-0.191 * Age + 13.534 * Lens Grade (age: p = 0.586; lens grade: p < 0.001); change in AVD = -7.438-0.037 * Age + 7.744 * Lens Grade (age: p = 0.917; lens grade: p = 0.031). CONCLUSIONS: Retinal arterial and venular oxygen saturation levels are significantly increased after cataract surgery, and increase rates vary with the preoperative grading of lens density. PMID- 27864881 TI - Visual system manifestations of Alzheimer's disease. AB - Alzheimer's disease (AD) is an increasingly common disease with massive personal and economic costs. While it has long been known that AD impacts the visual system, there has recently been an increased focus on understanding both pathophysiological mechanisms that may be shared between the eye and brain and how related biomarkers could be useful for AD diagnosis. Here, were review pertinent cellular and molecular mechanisms of AD pathophysiology, the presence of AD pathology in the visual system, associated functional changes, and potential development of diagnostic tools based on the visual system. Additionally, we discuss links between AD and visual disorders, including possible pathophysiological mechanisms and their relevance for improving our understanding of AD. PMID- 27864882 TI - Diversification of the kinetic properties of yeast NADP-glutamate-dehydrogenase isozymes proceeds independently of their evolutionary origin. AB - In the yeast Saccharomyces cerevisiae, the ScGDH1 and ScGDH3 encoded glutamate dehydrogenases (NADP-GDHs) catalyze the synthesis of glutamate from ammonium and alpha-ketoglutarate (alpha-KG). Previous kinetic characterization showed that these enzymes displayed different allosteric properties and respectively high or low rate of alpha-KG utilization. Accordingly, the coordinated action of ScGdh1 and ScGdh3, regulated balanced alpha-KG utilization for glutamate biosynthesis under either fermentative or respiratory conditions, safeguarding energy provision. Here, we have addressed the question of whether there is a correlation between the regulation and kinetic properties of the NADP-GDH isozymes present in S. cerevisiae (ScGdh1 and ScGdh3), Kluyveromyces lactis (KlGdh1), and Lachancea kluyveri (LkGdh1) and their evolutionary history. Our results show that the kinetic properties of K. lactis and L. kluyveri single NADP-GDHs are respectively similar to either ScGDH3 or ScGDH1, which arose from the whole genome duplication event of the S. cerevisiae lineage, although, KlGDH1 and LkGDH1 originated from a GDH clade, through an ancient interspecies hybridization event that preceded the divergence between the Saccharomyces clade and the one containing the genera Kluyveromyces, Lachancea, and Eremothecium. Thus, the kinetic properties which determine the NADP-GDHs capacity to utilize alpha-KG and synthesize glutamate do not correlate with their evolutionary origin. PMID- 27864883 TI - Neuronal sources of hedgehog modulate neurogenesis in the adult planarian brain. AB - The asexual freshwater planarian is a constitutive adult, whose central nervous system (CNS) is in a state of constant homeostatic neurogenesis. However, very little is known about the extrinsic signals that act on planarian stem cells to modulate rates of neurogenesis. We have identified two planarian homeobox transcription factors, Smed-nkx2.1 and Smed-arx, which are required for the maintenance of cholinergic, GABAergic, and octopaminergic neurons in the planarian CNS. These very same neurons also produce the planarian hedgehog ligand (Smed-hh), which appears to communicate with brain-adjacent stem cells to promote normal levels of neurogenesis. Planarian stem cells nearby the brain express core hh signal transduction genes, and consistent hh signaling levels are required to maintain normal production of neural progenitor cells and new mature cholinergic neurons, revealing an important mitogenic role for the planarian hh signaling molecule in the adult CNS. PMID- 27864885 TI - Phylogenetic and Functional Classification of the Photolyase/Cryptochrome Family. AB - The photolyase/cryptochrome (PHR/CRY) family is a large group of proteins with similar structure but very diverge functions such as DNA repair, circadian clock resetting and regulation of transcription. As a result of advances in the biochemistry of the CRY/PHR family and identification of new members, several adjustments have been made to the classification of this protein family. For example, a new class of PHRs, Class III, has been proposed. Furthermore, CRYs have been suggested to function as photosensory proteins in the primordial eye of sponge larvae. Additionally, a magnetosensory function has been attributed to certain CRYs. Recent advances in the field enabled us to propose a comprehensive classification scheme and nomenclatural system for this family. This review focuses on the computational and biochemical classifications of the PHR/CRY family. Several examples show that computational analysis can give a hinge about the function of newly discovered members before performing any biochemical study. PMID- 27864884 TI - Mfd Protein and Transcription-Repair Coupling in Escherichia coli. AB - In 1989, transcription-repair coupling (TRC) was first described in Escherichia coli, as the transcription-dependent, preferential nucleotide excision repair (NER) of UV photoproducts located in the template DNA strand. This finding led to pioneering biochemical studies of TRC in the laboratory of Professor Aziz Sancar, where, at the time, major contributions were being made toward understanding the roles of the UvrA, UvrB and UvrC proteins in NER. When the repair studies were extended to TRC, template but not coding strand lesions were found to block RNA polymerase (RNAP) in vitro, and unexpectedly, the blocked RNAP inhibited NER. A transcription-repair coupling factor, also called Mfd protein, was found to remove the blocked RNAP, deliver the repair enzyme to the lesion and thereby mediate more rapid repair of the transcription-blocking lesion compared with lesions elsewhere. Structural and functional analyses of Mfd protein revealed helicase motifs responsible for ATP hydrolysis and DNA binding, and regions that interact with RNAP and UvrA. These and additional studies provided a basis upon which other investigators, in following decades, have characterized fascinating and unexpected structural and mechanistic features of Mfd, revealed the possible existence of additional pathways of TRC and discovered additional roles of Mfd in the cell. PMID- 27864887 TI - Ethical use of animal models in musculoskeletal research. AB - The use of animals in research is under increasing scrutiny from the general public, funding agencies, and regulatory authorities. Our ability to continue to perform in-vivo studies in laboratory animals will be critically determined by how researchers respond to this new reality. This Perspectives article summarizes recent and ongoing initiatives within ORS and allied organizations to ensure that musculoskeletal research is performed to the highest ethical standards. It goes on to present an overview of the practical application of the 3Rs (reduction, refinement, and replacement) into experimental design and execution, and discusses recent guidance with regard to improvements in the way in which animal data are reported in publications. The overarching goal of this review is to challenge the status quo, to highlight the absolute interdependence between animal welfare and rigorous science, and to provide practical recommendations and resources to allow clinicians and scientists to optimize the ways in which they undertake preclinical studies involving animals. (c) 2016 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 35:740-751, 2017. PMID- 27864886 TI - Perceptions of risks for diabetes-related complications in Type 2 diabetes populations: a systematic review. AB - AIM: In Type 2 diabetes, there is no clear understanding of how people perceive their risk of experiencing diabetes-related complications. To address this issue, we undertook an evidence-based synthesis of how people with Type 2 diabetes perceive their risk of complications. METHODS: We performed a systematic search of nine electronic databases for peer-reviewed articles published on or before 1 March 2016. Data from 18 studies reporting lay perceptions of risks for complications in Type 2 diabetes populations were included. Publication year ranged between 2002 and 2014. RESULTS: Methods used to assess risk perceptions were heterogeneous, ranging from questionnaires measuring the accuracy of perceived risks to semi-structured and focus group interviews. We found evidence of low risk awareness in most dimensions of risk perceptions measured and the existence of optimistic bias. CONCLUSIONS: Perceptions were generally biased and varied according to the dimension of risk measured, the subpopulation concerned and the type of complications considered. Future work is needed to identify the best practical ways of correcting for biased risk perceptions so as to encourage self-care behaviours and treatment adherence. PMID- 27864888 TI - EBV infection is prevalent in the adenoid and palatine tonsils in adults. AB - Epstein-Barr virus (EBV) is associated with the pathogenesis of several diseases in both adults and children. However, there have been no reports on the prevalence and amount of EBV in the adenoids of adults; thus, it is important to investigate these in the adenoids and tonsils of adults and children. In this study, 67 patients who underwent tonsillectomy or adenotonsillectomy were included and divided into two groups: adults aged >= 16 years (n = 35) and children aged <16 years (n = 32). Patients' adenoid and tonsil tissues were analyzed using quantitative polymerase chain reaction for EBV DNA. EBV was detected in 26 (74%) adenoids and 25 (71%) tonsils among the adult group and was detected 21 (66%) adenoids and 20 (63%) tonsils in the child group. There was no significant difference in EBV DNA prevalence between the adenoids and tonsils for each group. However, there was a significant correlation between EBV DNA load in the adenoids and tonsils of the same individual in both groups (r = 0.579, P < 0.01, adult group; r = 0.919, P < 0.01, child group). In conclusion, EBV infection is prevalent in the adenoids and tonsils in adults and children. These results indicate that EBV continuously reside in the nasopharyngeal region after primal infection and may develop several diseases. PMID- 27864889 TI - Goal-Directed Treatment for Osteoporosis: A Progress Report From the ASBMR-NOF Working Group on Goal-Directed Treatment for Osteoporosis. AB - The American Society for Bone and Mineral Research and the United States National Osteoporosis Foundation (NOF) formed a working group to develop principles of goal-directed treatment and identify gaps that need to be filled to implement this approach. With goal-directed treatment, a treatment goal would first be established and choice of treatment determined by the probability of achieving that goal. Goals of treatment would be freedom from fracture, a T-score > -2.5, which is above the NOF threshold for initiating treatment, or achievement of an estimated risk level below the threshold for initiating treatment. Progress toward reaching the patient's goal would be periodically and systematically assessed by estimating the patient's compliance with treatment, reviewing fracture history, repeating vertebral imaging when indicated, and repeating measurement of bone mineral density (BMD). Using these data, a decision would be made to stop, continue, or change therapy. Some of these approaches can now be applied to clinical practice. However, the application of goal-directed treatment cannot be fully achieved until medications are available that provide greater increases in BMD and greater reduction in fracture risk than those that are currently approved; only then can patients with very high fracture risk and very low BMD achieve such goals. Furthermore, assessing future fracture risk in patients on treatment requires a new assessment tool that accurately captures the change in fracture risk associated with treatment and should also be sensitive to the importance of recent fractures as predictors of imminent fracture risk. Lastly, evidence is needed to confirm that selecting and switching treatments to achieve goals reduces fracture risk more effectively than current standard care. (c) 2016 American Society for Bone and Mineral Research. PMID- 27864890 TI - Anti-EGFR monoclonal antibodies enhance sensitivity to DNA-damaging agents in BRCA1-mutated and PTEN-wild-type triple-negative breast cancer cells. AB - Increased epidermal growth factor receptor (EGFR) expression in triple-negative breast cancer (TNBC) is recognized as a promising therapeutic target, specifically through the use of selective EGFR inhibitors combined with chemotherapies. TNBC is characterized by genetic instability that leads to increased sensitivity to cytotoxic agents. We analyzed the effect of anti-EGFR monoclonal antibodies (mAbs; cetuximab and panitumumab) in combination with chemotherapeutic agents (docetaxel, cisplatin, and epirubicin) on EGFR-expressing TNBC cell lines that have different mutation statuses for one oncogene (KRAS) and two tumor suppressor genes (PTEN and BRCA1). Both mAbs failed to improve the cytotoxic effect of chemotherapies in the KRAS mutant cell line (MDA-MB-231) and PTEN-null cell lines (HCC-1937 and MDA-MB-468). In contrast, mAbs combined with DNA-damaging agents (cisplatin or epirubicin) had a synergistic effect in the BRCA1-mutant cell line SUM-1315 (wild-type KRAS and PTEN). The reintroduction of wild-type BRCA1 into SUM-1315 cells abolished this synergism. The improved effect of combination therapy was associated with cell cycle arrest at G1 phase and inhibition of the phosphorylation of EGFR and ERK1/2 proteins. These results suggest that patients with BRCA1-associated TNBC without genetic alterations in the PTEN and KRAS genes may have improved therapeutic responses to anti-EGFR mAbs combined with DNA-damaging agents. (c) 2017 Wiley Periodicals, Inc. PMID- 27864891 TI - 3D MRI Quantification of Femoral Head Deformity in Legg-Calve-Perthes Disease. AB - The purpose of this study was to quantify femoral head deformity in patients with Legg-Calve-Perthes disease (LCPD) using a novel three dimensional (3D) magnetic resonance imaging (MRI) reconstruction and volume based analysis. Bilateral femoral heads of 17 patients (mean age 9.9 +/- 2.0 years; 12 boys, 5 girls) with LCPD were scanned 1-2 times (n = 33 LCPD heads, 20 normal heads) using a 1.5T MRI scanner. Fourteen patients had unilateral and three had bilateral LCPD with five hips in the Waldenstrom initial stage, 9 in the fragmentation stage, 14 in the reossification stage, and 5 in the healed stage. 3D digital reconstructions of femoral heads were created using MIMICS software. Deformity was quantified using a 3D volume ratio method based on reference hemisphere volume as well as two surface geometry methods. Intra-observer analysis showed that 97% of the LCPD femoral heads were within 10% of the original value and test shapes had 99.6% accuracy. For normal femoral heads, the volume ratios of all except one were between 95 and 98% (n = 20) of a perfect hemisphere volume. For femoral heads affected with LCPD, the volume ratios ranged from 43% to 96% of a perfect hemisphere (n = 33). The volume ratio method and the two surface geometry comparison methods had high correlation (r = 0.89 and 0.96). In summary, the 3D MRI volume ratio method allowed accurate quantification and demonstrated small changes (<10%) of the femoral head deformity in LCPD. This method may serve as a useful tool to evaluate the effects of treatment on femoral head shape. (c) 2016 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 35:2051-2058, 2017. PMID- 27864892 TI - Introgression of mtDNA in Urosaurus lizards: historical and ecological processes. AB - Introgression of mtDNA appears common in animals, but the implications of acquiring a novel mitochondrial genome are not well known. This study investigates mito-genome introgression between the lizard species Urosaurus graciosus, a thermal specialist, and U. ornatus, a species that occupies a wider range of thermal environments. As ectotherms, their metabolic rate is strongly influenced by the thermal environment; with mitochondria being linked to metabolic rates, overall energy budgets could be impacted by introgression. I use mitochondrial gene trees, inferred from Bayesian analyses of Cyt-B and ND1 gene sequences, along with morphology and microsatellites from nineteen populations of these two species to address if the direction and location of mito-nuclear discordance match predictions of introgression resulting from past population expansions. MtDNA is expected to move from resident species into expanding or invading species. Second, does having a heterospecific form of mitochondria impact body size, a trait strongly associated with fitness? Multiple independent introgression events of historic origin were detected. All introgression was unidirectional with U. ornatus-type mtDNA found in U. graciosus parental type individuals. This result was consistent with population expansions detected in U. graciosus but not U. ornatus. Females with heterospecific mtDNA were significantly smaller than homospecific forms, and heterospecific males had a different relationship of body mass to body length than those with homospecific mtDNA. These changes indicate a potential selective disadvantage for individuals with heterospecific mitochondria and are consistent with the theoretical expectation that deleterious alleles are more likely to persist in expanding populations. PMID- 27864893 TI - High alcohol intake in deceased donors has no effect on pancreas graft survival: a registry analysis. AB - Outcomes of pancreas transplantation from donors with high alcohol consumption are poorly described. The UK Transplant Registry was used to determine whether donor alcohol intake influenced pancreas survival in simultaneous pancreas-kidney (SPK) transplants performed between 2006 and 2012 (n = 770). Recipients were stratified by donor alcohol intake: group I (n = 122)-high recent alcohol intake (>21 or >14 units of alcohol/week in males or females, respectively) or previous alcohol abuse and group II (n = 648)-low/unknown current intake and no previous alcohol abuse. Median current alcohol intake was higher in group I than group II: 36.3 vs. 10 units/week; P < 0.001. One- and five-year pancreas graft survivals were 88.5% and 73.6% in group I, and 87% and 74.9% in group II. There was no difference in unadjusted graft survival between groups I and II (P = 0.76), and no difference between group II and a subgroup of group I with a donor history of alcohol abuse and high current intake (P = 0.26), or from donors with current alcohol consumption of >50 units/week (P = 0.41). Pancreas donors with past alcohol abuse or current high intake are common, and graft outcomes appear to be acceptable. This analysis suggests that high donor alcohol intake, by itself, should not exclude consideration of pancreas transplantation. PMID- 27864894 TI - Maternal dietary intake in pregnancy and lactation and allergic disease outcomes in offspring. AB - As the prevalence of allergic disease dramatically rises worldwide, prevention strategies are increasingly being considered. Given the potential modulatory effect of nutritional factors on disease, altering maternal diet during pregnancy and/or lactation has been considered in preventing allergic disease in offspring. Although there are a number of observational studies that have examined possible associations between maternal diet and allergic outcomes in offspring, interventional trials are limited. Furthermore, there is a paucity of studies that have prospectively studied maternal dietary intake as well as measuring maternal and infant biologic samples (blood, urine, breast milk) and their relation to allergic outcomes in infants. There is also a particular need to define terminology such as 'fruit and vegetables intake', 'healthy diet', and 'diet diversity' in order to make studies comparable. In this review, we discuss current evidence of maternal dietary factors during pregnancy and/or lactation that may play a role in the offspring developing allergic disease, including factors such as overall dietary intake patterns, specific whole food consumption (fish, fruit and vegetables, and common allergic foods), and individual immunomodulatory nutrient intakes. Additionally, we discuss the limitations of previous studies and propose improvements to study design for future investigation. PMID- 27864896 TI - Family Medical History. PMID- 27864895 TI - The postreperfusion syndrome is associated with acute kidney injury following donation after brain death liver transplantation. AB - Acute kidney injury (AKI) is frequently observed after donation after brain death (DBD) liver transplantation (LT) and associated with impaired recipient survival and chronic kidney disease. Hepatic ischemia/reperfusion injury (IRI) is suggested to be an important factor in this process. The postreperfusion syndrome (PRS) is the first manifestation of severe hepatic IRI directly after reperfusion. We performed a retrospective study on the relation between hepatic IRI and PRS and their impact on AKI in 155 DBD LT recipients. Severity of hepatic IRI was measured by peak postoperative AST levels and PRS was defined as >30% decrease in MAP >=1 min within 5 min after reperfusion. AKI was observed in 39% of the recipients. AKI was significantly more observed in recipients with PRS (53% vs. 32%; P = 0.013). Median peak AST level was higher in recipients with PRS (1388 vs. 771 U/l; P < 0.001). Decrease in MAP after reperfusion correlated well with both severity of AKI (P = 0.012) and hepatic IRI (P < 0.001). Multiple logistic regression identified PRS as an independent factor for postoperative AKI (OR 2.28; 95% CI 1.06-4.99; P = 0.035). In conclusion, PRS reflects severe hepatic IRI and predicts AKI after DBD LT. PRS immediately after reperfusion is an early warning sign and creates opportunities to preserve postoperative renal function. PMID- 27864897 TI - Tolerogenic dendritic cell therapy in organ transplantation. AB - Although the occurrence of acute rejection was significantly reduced and the allograft survival at 1 year was massively improved by the development of pharmacological immunosuppressive drugs, little progress has been made regarding long-term graft survival. Cell therapy appears to be an innovative and promising strategy to minimize the use of immunosuppression in transplantation and consequently increases long-term graft survival. The strength of cell therapy is that it will induce graft-specific tolerance and not a general immunosuppression of the patients. Several candidates, such as tolerogenic dendritic cells, have been gaining interest as an efficient means of promoting antigen-specific tolerance over recent years. Studies performed in rodent models have demonstrated the feasibility and efficacy of tolerogenic dendritic cells for the induction of tolerance in transplantation. In parallel, protocols to generate human tolerogenic dendritic cells in vitro have been defined, and some phase I clinical trials in autoimmune diseases have been recently performed to evaluate the safety of tolerogenic dendritic cell therapy. In this review, we will focus on the potential therapeutic interest of these cells in transplantation as well as their generation and characterization in humans. Finally, we will describe our current clinical trial using autologous tolerogenic dendritic cells in transplantation. PMID- 27864898 TI - Anti-inflammatory drugs decrease infection of brain endothelial cells with EHV-1 in vitro. AB - BACKGROUND: Equine herpesvirus-associated myeloencephalopathy is the result of endothelial cell infection of the spinal cord vasculature with equine herpesvirus 1 (EHV-1) during cell-associated viraemia. Endothelial cell infection requires contact between infected peripheral blood mononuclear and endothelial cells. Inflammation generated during viraemia likely upregulates adhesion molecule expression on both cell types increasing contact and facilitating endothelial cell infection. OBJECTIVES: Evaluating the role of anti-inflammatory drugs in decreasing endothelial cell infection with EHV-1. STUDY DESIGN: In vitro assay, crossover design, multiple drug testing. METHODS: In vitro modified infectious centre assay using immortalised carotid artery endothelial cells or primary brain endothelial cells with plaque counts per well as outcome. Cells were either anti inflammatory drug treated or left untreated. RESULTS: Significant reduction of plaque count when cells were treated compared with untreated cells. No dose dependent effect when drug concentrations were increased to 10* dose. Treatment of both peripheral blood mononuclear cells (PBMC) and endothelial cells (EC) is required for significant plaque count reduction. MAIN LIMITATIONS: In vitro study. CONCLUSIONS: Anti-inflammatory drugs decrease infection of endothelial cells likely by reducing contact between EHV-1 infected PBMC and endothelial cells in vitro. The role of adhesion molecules in this process needs further investigation. In vitro results suggest anti-inflammatory drug therapy during EHV 1 infection and viraemia in horses could be clinically relevant. PMID- 27864899 TI - N-Glycosylation at Asn 402 Stabilizes N-Cadherin and Promotes Cell-Cell Adhesion of Glioma Cells. AB - Cadherin is crucial for cell-cell adhesion and N-glycosylation of N-cadherin has been implicated in the process of mammary, renal, and ovarian carcinogenesis. However, whether N-glycosylation of N-cadherin plays a role in glioma remains unknown. Previous studies had indicated that N-glycosylation could occur at three asparagine residues of N-cadherin. By generating and over-expressing N glycosylation-deficient N-cadherin mutants in the human glioma cell lines SHG66 and U87, we found that mutation of N402 but not of the other potentially N glycosylated residues destabilized N-cadherin and led to its ubiquitylation and subsequent proteasomal degradation. Furthermore, destabilized N-cadherin inhibited cadherin-mediated cell-cell adhesion and promoted cell migration. Our findings reveal that N-glycosylation controls N-cadherin stability and plays a role in glioma migration. J. Cell. Biochem. 118: 1423-1431, 2017. (c) 2016 Wiley Periodicals, Inc. PMID- 27864901 TI - Kidney temperature course during living organ procurement and transplantation. AB - Little is known about the actual kidney graft temperature during the 2nd warm ischemia time (WIT2). We aimed to determine the actual temperature course of the WIT2, with emphasis on the 15 degrees C metabolic threshold. Data of 152 consecutive adult living donor kidney transplantations were collected. The mean WIT2 was 41.3 +/- 10.1 (SD) minutes with a temperature of 5.4 degrees C at baseline which gradually increased to 13.7, 17.4, and 20.2 degrees C after 10, 20, and 30 min, respectively. The percentage of kidneys with a temperature of 15 degrees C or higher was 81.2% after 20 min and 97.5% after 30 min. Duration of surgery (95% CI: -0.017 to -0.002, P = 0.02), multiple veins (95% CI: 0.0003 2.720, P = 0.05) and WIT2 (95% CI: 0.016-0.099, P = 0.006) were associated with a rapid temperature increase. No correlation could be determined between a rapid temperature rise and diminished graft function. This study showed a rapid increase in kidney temperature during WIT2, wherein the 15 degrees C threshold was reached within 20 min in more than 80% of the patients. PMID- 27864902 TI - Quantitative structure-activity relationship and molecular docking revealed a potency of anti-hepatitis C virus drugs against human corona viruses. AB - A number of human coronaviruses (HCoVs) were reported in the last and present centuries. Some outbreaks of which (eg, SARS and MERS CoVs) caused the mortality of hundreds of people worldwide. The problem of finding a potent drug against HCoV strains lies in the inability of finding a drug that stops the viral replication through inhibiting its important proteins. In spite of its limited efficacy and potential side effects, Ribavirin is extensively used as a first choice against HCoVs. Therefore, scientists reverted towards the investigation of different drugs that can more specifically target proteins. In this study, four anti-HCV drugs (one approved by FDA and others under clinical trials) are tested against HCoV polymerases. Quantitative Structure-Activity Relationship (QSAR) and molecular docking are both used to compare the performance of the selected nucleotide inhibitors to their parent nucleotides and Ribavirin. Both QSAR and molecular docking showed that IDX-184 is superior compared to Ribavirin against MERS CoV, a result that was also reported for HCV. MK-0608 showed a performance that is comparable to Ribavirin. We strongly suggest an in vitro study on the potency of these two drugs against MERS CoV. PMID- 27864900 TI - Recombination rate variation in mice from an isolated island. AB - Recombination rate is a heritable trait that varies among individuals. Despite the major impact of recombination rate on patterns of genetic diversity and the efficacy of selection, natural variation in this phenotype remains poorly characterized. We present a comparison of genetic maps, sampling 1212 meioses, from a unique population of wild house mice (Mus musculus domesticus) that recently colonized remote Gough Island. Crosses to a mainland reference strain (WSB/EiJ) reveal pervasive variation in recombination rate among Gough Island mice, including subchromosomal intervals spanning up to 28% of the genome. In spite of this high level of polymorphism, the genomewide recombination rate does not significantly vary. In general, we find that recombination rate varies more when measured in smaller genomic intervals. Using the current standard genetic map of the laboratory mouse to polarize intervals with divergent recombination rates, we infer that the majority of evolutionary change occurred in one of the two tested lines of Gough Island mice. Our results confirm that natural populations harbour a high level of recombination rate polymorphism and highlight the disparities in recombination rate evolution across genomic scales. PMID- 27864903 TI - Long-term monitoring of cardiorespiratory patterns in drug-resistant epilepsy. AB - OBJECTIVE: Sudden unexplained death in epilepsy (SUDEP) during inpatient electroencephalography (EEG) monitoring has been a rare but potentially preventable event, with associated cardiopulmonary markers. To date, no systematic evaluation of alarm settings for a continuous pulse oximeter (SpO2 ) has been performed. In addition, evaluation of the interrelationship between the ictal and interictal states for cardiopulmonary measures has not been reported. METHODS: Patients with epilepsy were monitored using video-EEG, SpO2 , and electrocardiography (ECG). Alarm thresholds were tested systematically, balancing the number of false alarms with true seizure detections. Additional cardiopulmonary patterns were explored using automated ECG analysis software. RESULTS: One hundred ninety-three seizures (32 generalized) were evaluated from 45 patients (7,104 h recorded). Alarm thresholds of 80-86% SpO2 detected 63-73% of all generalized convulsions and 20-28% of all focal seizures (81-94% of generalized and 25-36% of focal seizures when considering only evaluable data). These same thresholds resulted in 25-146 min between false alarms. The sequential probability of ictal SpO2 revealed a potential common seizure termination pathway of desaturation. A statistical model of corrected QT intervals (QTc), heart rate (HR), and SpO2 revealed close cardiopulmonary coupling ictally. Joint probability maps of QTc and SpO2 demonstrated that many patients had baseline dysfunction in either cardiac, pulmonary, or both domains, and that ictally there was dissociation-some patients exhibited further dysfunction in one or both domains. SIGNIFICANCE: Optimal selection of continuous pulse oximetry thresholds involves a tradeoff between seizure detection accuracy and false alarm frequency. Alarming at 86% for patients that tend to have fewer false alarms and at 80% for those who have more, would likely result in a reasonable tradeoff. The cardiopulmonary findings may lead to SUDEP biomarkers and early seizure termination therapies. PMID- 27864904 TI - An update on the current management of head and neck mucosal melanoma. AB - Primary mucosal melanomas of the head and neck are rare and aggressive tumours that arise in the nasal cavity, paranasal sinuses and more rarely in the oral cavity. The current treatment options include radical surgical resection with adjuvant external beam radiotherapy being offered in high-risk patients. Although the latter can improve regional control, it does not reduce overall survival. Elective neck dissection is recommended for nodular oral mucosal melanoma, but its role in the clinically node negative neck is controversial. Systemic therapies including the use of tyrosine kinase inhibitors for tumours with c-KIT mutations are suitable for patients with advanced loco-regional and/or metastatic disease, but current results are variable. Patients with head and neck mucosal melanoma have a poor prognosis due to the high incidence of metastatic disease. This review assesses the latest evidence in the diagnosis and management of primary oral and head and neck mucosal melanoma including details of systemic therapies. PMID- 27864905 TI - Polyacrylamide gel as a culture substrate improves in vitro oocyte growth from porcine early antral follicles. AB - A major difference between in vivo and in vitro follicle culture is the stiffness of the substrate in which the follicles grow. In this study, we examined the effect of polyacrylamide gel (PAG), as a culture substrate, on the development of porcine oocytes derived from early antral follicles. Oocyte-granulosa cell complexes (OGCs) were collected from the early antral follicles of gilts, and incubated individually for 14 days in a 96-well culture plate without or with PAG. We then evaluated the number of granulosa cells present in OGCs as well as the abundance of ATP, lipid, and acetylated lysine in oocytes. OGCs cultured on PAG showed significantly greater antrum formation and granulosa cell proliferation than controls cultured on standard plastic. Oocytes grown on PAG also possessed significantly larger diameter, ATP and lipid content, and lysine acetylation, as well as competence to develop to the blastocyst stage. Transcriptome analysis of the granulosa cells revealed that genes involved in follicular development and mechanosensing are up-regulated under PAG culturing conditions. Thus, in vitro culturing OGCs on PAG profoundly induced granulosa cell proliferation, resulting in improved developmental competence of the oocytes. Mol. Reprod. Dev. 84: 44-54, 2017. (c) 2016 Wiley Periodicals, Inc. PMID- 27864906 TI - Role and regulation of Glycogen synthase kinase-3 beta in bovine spermatozoa. AB - The serine/threonine kinase Glycogen synthase kinase 3 (GSK-3) is a master switch that regulates a multitude of cellular pathways, including the acrosome reaction in sperm. In epididymal sperm cells, for example, GSK-3 activity correlates with inhibition of motility-yet no direct pathways connecting GSK-3 activation with loss of motility have been described. Indeed, the details of how GSK-3 is regulated during sperm capacitation and the acrosome reaction remains obscure. To this end, we addressed the involvement of the GSK-3 beta isoform in several known pathways that contribute to motility and the acrosome reaction. We established that Protein kinase A (PKA) is the main regulator of GSK-3beta in sperm, as pre treatment of cells with a GSK-3 inhibitor prior to addition of H89, an inhibitor of PKA, attenuated the motility loss induced by blocking PKA activity. Both induced and spontaneous acrosome reactions also occurred less frequently in sperm treated with GSK-3 inhibitors. Finally, we observed a slow decline in phosphorylation of GSK-3beta on Ser 9, which represents an inhibited state, during sperm capacitation; this phenotype is reversed during the induced acrosome reaction, in parallel to activation of Protein phosphatase 1. These results suggest that maintenance of sperm motility and acrosome reaction timing are mediated by PKA through the regulation of GSK-3 beta activity. Mol. Reprod. Dev. 84: 8-18, 2017. (c) 2016 Wiley Periodicals, Inc. PMID- 27864907 TI - Stimulation effects of ciprofloxacin and sulphamethoxazole in Microcystis aeruginosa and isobaric tag for relative and absolute quantitation-based screening of antibiotic targets. AB - Antibiotics are normally regarded as safe to aquatic ecosystems when their contamination concentrations are lower than the toxic threshold. This study observed the hazard of ciprofloxacin, sulphamethoxazole and their binary mixture to the aquatic environment at environmentally relevant concentrations lower than the toxic threshold, due to the stimulation on the bloom of Microcystis aeruginosa. The enhanced growth of M. aeruginosa, coupled with elevated photosynthesis activity, was exerted by 50-200 ng/L of ciprofloxacin, 100-200 ng/L of sulphamethoxazole and 20-100 ng/L of the binary antibiotic mixture. Stimulated production and release of microcystins were observed at even lower concentrations. The upregulation of transcription-related proteins, cell division related proteins, a gas vesicle protein, a global nitrogen regulator (ntcA), two microcystin synthetases (mcyC and mcyH) and ATP-binding cassette transporters provided direct proteomic evidence for the regulation of target antibiotics on M. aeruginosa bloom. Cytochrome P450 was an essential component involved in stress responses and antibiotic biodegradation. Proteomic responses to antibiotic exposure presented a shift in the energy metabolism of M. aeruginosa towards the excitation of photosynthesis, an increase of carbohydrate biosynthesis and the inhibition of carbohydrate catabolism. Superoxide dismutase, enolase and D1 protein were candidate target proteins of different antibiotics in M. aeruginosa. The antibiotic mixture showed a greater hazard than single antibiotics, and a safe threshold of 5 ng/L was suggested for each target antibiotic under the coexistence condition. PMID- 27864909 TI - The mechanism of CIRP in inhibition of keratinocytes growth arrest and apoptosis following low dose UVB radiation. AB - UV induces CIRP expression and subsequent Stat3 activation, but the biological function and mechanism of CIRP and Stat3 in mediating UVB-induced skin carcinogenesis have not been fully elucidated. In this study, we demonstrate that CIRP is elevated in all tested melanoma and non-melanoma skin cancer cell lines; and the expression of CIRP is upregulated in keratinocytes after being irradiated with relatively low dose (<5 mJ/cm2 ), but not high dose (50 mJ/cm2 ), UVB acutely and chronically. The increased expression of CIRP, either induced by UVB or through overexpression, leads to resistance of keratinocytes to UVB-induced growth arrest and death; and reduced expression of CIRP by RNA knockdown sensitizes keratinocyte cells to the low dose UVB radiation. We also demonstrated that CIRP expression is required for the low dose UVB-induced Tyr705 phosphorylation, but not total amount, of Stat3. The p-Stat3 level is correlated with the expression levels of cyclin D1 and VEGF, two known downstream cell growth regulators of Stat3, as well as Bag-1/S, an apoptosis regulator. Inhibition of Stat3 DNA-binding activity by S3I-201 leads to a reduction of the p Stat3 and Bag-1/S along with growth and survival of keratinocytes post-UVB; and the effect of S3I-201 on the UVB-irradiated cells can be partially inhibited by overexpression of CIRP or Bag-1/S. Furthermore, the overexpression of Bag-1/S can totally inhibit UVB-induced PARP cleavage and caspase 3 activation. The results presented above led us to propose that CIRP-p(705)Stat3 cascade promotes cell proliferation and survival post-UVB via upregulating the expression of cyclin D1 and Bag-1/S, respectively. Published 2017. This article is a U.S. Government work and is in the public domain in the USA. PMID- 27864908 TI - E2F transcription factor 2 variants as predictive biomarkers for recurrence risk in patients with squamous cell carcinoma of the oropharynx. AB - Because E2F transcription factor 2 (E2F2) promoter polymorphisms have been implicated in carcinogenesis and prognosis, we investigated associations between genetic variants in five E2F2 promoter polymorphisms and recurrence risk of squamous cell carcinoma of the oropharynx (SCCOP) in 1 008 patients. A log-rank test and multivariable Cox models were used to assess the associations. Compared with patients with variant genotypes of E2F2-rs2742976 and E2F2-rs3218123, patients with common homozygous genotypes had better disease-free survival (both log-rank, P < 0.001) and lower SCCOP recurrence risk (HR, 0.4, 95% CI, 0.3-0.6 and HR, 0.3, 95% CI, 0.2-0.5, respectively) after multivariable adjustment. Furthermore, among patients with HPV16-positive tumors, those with common homozygous genotypes of E2F2-rs2742976 and E2F2-rs3218123 had better disease-free survival rates (both log-rank, P < 0.001) and lower recurrence risk (HR, 0.1, 95% CI, 0.1-0.4 and HR, 0.1, 95% CI, 0.0-0.2, respectively) than patients with variant genotypes. However, no significant differences were found for the other three polymorphisms. After combining the risk genotypes of the five polymorphisms and using the high-risk group (2-5 risk genotypes) as the reference group, we found that the low-risk groups (0 or 1 risk genotype) had significantly lower recurrence risk among all patients (HR, 0.4, 95% CI, 0.3-0.6) and among HPV16 positive patients (HR, 0.2, 95% CI, 0.1-0.5). Our findings suggest that E2F2 polymorphisms may individually or jointly modify SCCOP recurrence risk, particularly for SCCOP patients with HPV16-positive tumors. (c) 2017 Wiley Periodicals, Inc. PMID- 27864910 TI - Genomic islands of divergence linked to ecotypic variation in sockeye salmon. AB - Regions of the genome displaying elevated differentiation (genomic islands of divergence) are thought to play an important role in local adaptation, especially in populations experiencing high gene flow. However, the characteristics of these islands as well as the functional significance of genes located within them remain largely unknown. Here, we used data from thousands of SNPs aligned to a linkage map to investigate genomic islands of divergence in three ecotypes of sockeye salmon (Oncorhynchus nerka) from a single drainage in southwestern Alaska. We found ten islands displaying high differentiation among ecotypes. Conversely, neutral structure observed throughout the rest of the genome was low and not partitioned by ecotype. One island on linkage group So13 was particularly large and contained six SNPs with FST > 0.14 (average FST of neutral SNPs = 0.01). Functional annotation revealed that the peak of this island contained a nonsynonymous mutation in a gene involved in growth in other species (TULP4). The islands that we discovered were relatively small (80-402 Kb), loci found in islands did not show reduced levels of diversity, and loci in islands displayed slightly elevated linkage disequilibrium. These attributes suggest that the islands discovered here were likely generated by divergence hitchhiking; however, we cannot rule out the possibility that other mechanisms may have produced them. Our results suggest that islands of divergence serve an important role in local adaptation with gene flow and represent a significant advance towards understanding the genetic basis of ecotypic differentiation. PMID- 27864911 TI - Spatio-temporal variation in parasite communities maintains diversity at the major histocompatibility complex class IIbeta in the endangered Rio Grande silvery minnow. AB - Climate change will strongly impact aquatic ecosystems particularly in arid and semi-arid regions. Fish-parasite interactions will also be affected by predicted altered flow and temperature regimes, and other environmental stressors. Hence, identifying environmental and genetic factors associated with maintaining diversity at immune genes is critical for understanding species' adaptive capacity. Here, we combine genetic (MHC class IIbeta and microsatellites), parasitological and ecological data to explore the relationship between these factors in the remnant wild Rio Grande silvery minnow (Hybognathus amarus) population, an endangered species found in the southwestern United States. Infections with multiple parasites on the gills were observed and there was spatio-temporal variation in parasite communities and patterns of infection among individuals. Despite its highly endangered status and chronically low genetic effective size, Rio Grande silvery minnow had high allelic diversity at MHC class IIbeta with more alleles recognized at the presumptive DAB1 locus compared to the DAB3 locus. We identified significant associations between specific parasites and MHC alleles against a backdrop of generalist parasite prevalence. We also found that individuals with higher individual neutral heterozygosity and higher amino acid divergence between MHC alleles had lower parasite abundance and diversity. Taken together, these results suggest a role for fluctuating selection imposed by spatio-temporal variation in pathogen communities and divergent allele advantage in maintenance of high MHC polymorphism. Understanding the complex interaction of habitat, pathogens and immunity in protected species will require integrated experimental, genetic and field studies. PMID- 27864912 TI - Inferring contemporary and historical genetic connectivity from juveniles. AB - Measuring population connectivity is a critical task in conservation biology. While genetic markers can provide reliable long-term historical estimates of population connectivity, scientists are still limited in their ability to determine contemporary patterns of gene flow, the most practical time frame for management. Here, we tackled this issue by developing a new approach that only requires juvenile sampling at a single time period. To demonstrate the usefulness of our method, we used the Speartooth shark (Glyphis glyphis), a critically endangered species of river shark found only in tropical northern Australia and southern Papua New Guinea. Contemporary adult and juvenile shark movements, estimated with the spatial distribution of kin pairs across and within three river systems, was contrasted with historical long-term connectivity patterns, estimated from mitogenomes and genome-wide SNP data. We found strong support for river fidelity in juveniles with the within-cohort relationship analysis. Male breeding movements were highlighted with the cross-cohort relationship analysis, and female reproductive philopatry to the river systems was revealed by the mitogenomic analysis. We show that accounting for juvenile river fidelity and female philopatry is important in population structure analysis and that targeted sampling in nurseries and juvenile aggregations should be included in the genomic toolbox of threatened species management. PMID- 27864913 TI - Human Secretory IgM Antibodies Activate Human Complement and Offer Protection at Mucosal Surface. AB - IgM molecules circulate in serum as large polymers, mainly pentamers, which can be transported by the poly-Ig receptor (pIgR) across epithelial cells to mucosal surfaces and released as secretory IgM (SIgM). The mucosal SIgM molecules have non-covalently attached secretory component (SC), which is the extracellular part of pIgR which is cleaved from the epithelial cell membrane. Serum IgM antibodies do not contain SC and have previously been shown to make a conformational change from 'a star' to a 'staple' conformation upon reaction with antigens on a cell surface, enabling them to activate complement. However, it is not clear whether SIgM similarly can induce complement activation. To clarify this issue, we constructed recombinant chimeric (mouse/human) IgM antibodies against hapten 5 iodo-4-hydroxy-3-nitro-phenacetyl (NIP) and in addition studied polyclonal IgM formed after immunization with a meningococcal group B vaccine. The monoclonal and polyclonal IgM molecules were purified by affinity chromatography on a column containing human SC in order to isolate joining-chain (J-chain) containing IgM, followed by addition of excess amounts of soluble SC to create SIgM (IgM J+ SC+). These SIgM preparations were tested for complement activation ability and shown to be nearly as active as the parental IgM J+ molecules. Thus, SIgM may offer protection against pathogens at mucosal surface by complement-mediated cell lysis or by phagocytosis mediated by complement receptors present on effector cells on mucosa. PMID- 27864914 TI - The lek mating system of the worm pipefish (Nerophis lumbriciformis): a molecular maternity analysis and test of the phenotype-linked fertility hypothesis. AB - The origin and maintenance of mating preferences continues to be an important and controversial topic in sexual selection research. Leks and lek-like mating systems, where individuals gather in particular spots for the sole purpose of mate choice, are particularly puzzling, because the strong directional selection imposed by mate choice should erode genetic variation among competing individuals and negate any benefit for the choosing sex. Here, we take advantage of the lek like mating system of the worm pipefish (Nerophis lumbriciformis) to test the phenotype-linked fertility hypothesis for the maintenance of mating preferences. We use microsatellite markers to perform a parentage analysis, along with a mark recapture study, to confirm that the worm pipefish has an unusual mating system that strongly resembles a female lek, where females display and males visit the lek to choose mates. Our results show that the most highly ornamented females occupy positions near the centre of the breeding area, and males mating with these females receive fuller broods with larger eggs compared to males mating with less-ornamented females. We also conduct a laboratory experiment to show that female ornaments are condition-dependent and honestly signal reproductive potential. Overall, these results are consistent with the predictions of a sex independent version of the phenotype-linked fertility hypothesis, as male preference for female ornaments correlates with fertility benefits. PMID- 27864915 TI - Identification of Emergency Department Visits in Medicare Administrative Claims: Approaches and Implications. AB - OBJECTIVES: Administrative claims data sets are often used for emergency care research and policy investigations of healthcare resource utilization, acute care practices, and evaluation of quality improvement interventions. Despite the high profile of emergency department (ED) visits in analyses using administrative claims, little work has evaluated the degree to which existing definitions based on claims data accurately captures conventionally defined hospital-based ED services. We sought to construct an operational definition for ED visitation using a comprehensive Medicare data set and to compare this definition to existing operational definitions used by researchers and policymakers. METHODS: We examined four operational definitions of an ED visit commonly used by researchers and policymakers using a 20% sample of the 2012 Medicare Chronic Condition Warehouse (CCW) data set. The CCW data set included all Part A (hospital) and Part B (hospital outpatient, physician) claims for a nationally representative sample of continuously enrolled Medicare fee-for-services beneficiaries. Three definitions were based on published research or existing quality metrics including: 1) provider claims-based definition, 2) facility claims-based definition, and 3) CMS Research Data Assistance Center (ResDAC) definition. In addition, we developed a fourth operational definition (Yale definition) that sought to incorporate additional coding rules for identifying ED visits. We report levels of agreement and disagreement among the four definitions. RESULTS: Of 10,717,786 beneficiaries included in the sample data set, 22% had evidence of ED use during the study year under any of the ED visit definitions. The definition using provider claims identified a total of 4,199,148 ED visits, the facility definition 4,795,057 visits, the ResDAC definition 5,278,980 ED visits, and the Yale definition 5,192,235 ED visits. The Yale definition identified a statistically different (p < 0.05) collection of ED visits than all other definitions including 17% more ED visits than the provider definition and 2% fewer visits than the ResDAC definition. Differences in ED visitation counts between each definition occurred for several reasons including the inclusion of critical care or observation services in the ED, discrepancies between facility and provider billing regulations, and operational decisions of each definition. CONCLUSION: Current operational definitions of ED visitation using administrative claims produce different estimates of ED visitation based on the underlying assumptions applied to billing data and data set availability. Future analyses using administrative claims data should seek to validate specific definitions and inform the development of a consistent, consensus ED visitation definitions to standardize research reporting and the interpretation of policy interventions. PMID- 27864916 TI - Enhanced contractility of intraparenchymal arterioles after global cerebral ischaemia in rat - new insights into the development of delayed cerebral hypoperfusion. AB - AIM: Delayed cerebral hypoperfusion is a secondary complication found in the days after transient global cerebral ischaemia that worsens the ischaemic damage inflicted by the initial transient episode of global cerebral ischaemia. A recent study demonstrated increased cerebral vasoconstriction in the large arteries on the brain surface (pial arteries) after global cerebral ischaemia. However, smaller arterioles inside the brain (parenchymal arterioles) are equally important in the regulation of cerebral blood flow and yet their pathophysiology after global cerebral ischaemia is largely unknown. Therefore, we investigated whether increased contractility occurs in the intraparenchymal arterioles. METHODS: Global cerebral ischaemia was induced in male Wistar rats by bilateral common carotid occlusion for 15 min combined with hypovolaemia. Regional cerebral blood flow was determined by quantitative autoradiography. Intraparenchymal arterioles were isolated and pressurized, and concentration-response curves to endothelin-1 with and without the endothelin B receptor-selective antagonist BQ788 was generated. Endothelin B receptor expression was investigated by quantitative flow cytometry and immunohistochemistry. RESULTS: We observed increased endothelin-1-mediated contractility of parenchymal arterioles correlating with reduced cerebral blood flow of the cortex, hippocampus and caudate nucleus 48 h after global cerebral ischaemia. The increased endothelin-1 mediated contractility was abolished by BQ788, and the vascular smooth muscle cell-specific expression of endothelin B receptors was significantly increased after global cerebral ischaemia. CONCLUSION: Increased endothelin-1-mediated contractility and expression of endothelin B receptors in the intraparenchymal vasculature contributes to the development of delayed cerebral hypoperfusion after global cerebral ischaemia in combination with vascular changes of the pial vasculature. PMID- 27864917 TI - Genetic variation in the miR-708 gene and its binding targets in bipolar disorder. AB - OBJECTIVE: rs12576775 was found to be associated with bipolar disorder (BD) in a genome-wide association study (GWAS). The GWAS signal implicates genes for the microRNAs miR-708 and miR-5579 and the first exon of the Odd Oz/ten-m homolog 4 gene (ODZ4). In the present study, miR-708, its surrounding region, and its targets were analyzed for potential BD-associated functional variants. METHODS: The miR-708 gene and surrounding regions were screened for variation using high resolution melting (HRM) analysis in 1099 cases of BD, followed by genotyping of rare variants in an enlarged sample of 2078 subjects with BD, 1303 subjects with schizophrenia, and 1355 healthy controls. Whole-genome sequencing data from 99 subjects with BD were analyzed for variation in potential miR-708 binding sites. The minor allele frequencies (MAFs) of these variants were compared with those reported in reference individuals. RESULTS: Three variants detected by HRM were selected to be genotyped. rs754333774 was detected in three cases of BD, two cases of schizophrenia, and no controls. This variant is located 260 base pairs upstream from miR-708 and may play a role in controlling the expression of the miR. Four variants were identified in miR-708 targets binding sites. The MAFs of each of these variants were similar in BD and reference samples. CONCLUSIONS: We report a single recurrent variant located near the miR-708 gene that may have a role in BD and schizophrenia susceptibility. These findings await replication in independent cohorts, as do functional analyses of the potential consequences of this variant. PMID- 27864918 TI - How prior preferences determine decision-making frames and biases in the human brain. AB - Understanding how option values are compared when making a choice is a key objective for decision neuroscience. In natural situations, agents may have a priori on their preferences that create default policies and shape the neural comparison process. We asked participants to make choices between items belonging to different categories (e.g., jazz vs. rock music). Behavioral data confirmed that the items taken from the preferred category were chosen more often and more rapidly, which qualified them as default options. FMRI data showed that baseline activity in classical brain valuation regions, such as the ventromedial Prefrontal Cortex (vmPFC), reflected the strength of prior preferences. In addition, evoked activity in the same regions scaled with the default option value, irrespective of the eventual choice. We therefore suggest that in the brain valuation system, choices are framed as comparisons between default and alternative options, which might save some resource but induce a decision bias. PMID- 27864919 TI - Using a novel assessment of procedural proficiency provides medical educators insight into blood pressure measurement. AB - Objective: This investigation was performed to determine how students in a health sciences program utilize and explain techniques within blood pressure measurement using a novel assessment, and changes associated with greater curricular exposure. Methods: An exploratory, qualitative and quantitative study was conducted using a 'Think Aloud' design with protocol analysis. Following familiarization, participants performed the task of measuring blood pressure on a reference subject while stating their thought processes. A trained practitioner recorded each participant's procedural proficiency using a standardized rubric. There were 112 participants in the study with varying levels of curricular exposure to blood pressure measurement. Results: Four trends are noted. Specifically, a trend was observed wherein a marked increase in procedural proficiency with a plateau occurred (e.g. released cuff pressure 2-4 mmHg, 10%, 60%, 83%, 82%). Secondly, a trend was observed with improvement across groups (e.g. cuff placed snugly/smoothly on upper arm, 20%, 60%, 81%, and 91%). Other trends included a marked improvement with subsequent decrease, and an improvement without achieving proficiency (e.g. palpation of the brachial pulse, 5%, 90%, 81%, 68%, appropriate size cuff, 17%, 40%, 33%, 41%, respectively). Qualitatively, transcript interpretation resulted in a need for clarification in the way blood pressure procedure is instructed in the curriculum. Conclusions: The current investigation provides a snapshot of proficiency in blood pressure assessment across a curriculum and highlights considerations for best instructional practices, including the use of Think Aloud. Consequently, medical educators should use qualitative and quantitative assessments concurrently to determine achievement of blood pressure skill proficiency. PMID- 27864920 TI - Design of small molecule inhibitors of type III secretion system ATPase EscN from enteropathogenic Escherichia coli. AB - Enteropathogenic E. coli (EPEC) is a human pathogen using type III secretion system for delivery of proteins directly into the human host. The system contains a single ATPase, EscN, which is essential for uncoupling of proteins from their complexes with chaperones before the delivery. The structure of EscN ATPase (PDB code: 2obm) was used to screen computationally for small molecule inhibitors blocking its active site. Two lead candidates were examined but only one, Compound 54, was selected for further optimization. After extended QSAR optimization, two derivatives were found to be competitive inhibitors of EscN capable of blocking ATPase activity with a Ki below 50 uM. One candidate, WEN05 03, with a Ki=16+/-2 uM, was also minimally toxic to mammalian cells as determined by other assays. In the cell infection model of HeLa cells with EPEC, Compound WEN05-03 completely blocked actin cluster formation at 100 uM concentration, when analyzed by confocal microscopy. The second best inhibitor of EscN ATPase activity was WEN04-34 with a Ki=46+/-2 uM. However, the compound was highly toxic to the BALB/3T3 cell line. In summary, the work identifies a compound blocking bacterial ATPase in its active site without causing cellular toxicity to the host cells. It is the first report showing feasibility of using bacterial virulence system ATPase as a target for safe, non-toxic compounds and offering a proof-of-concept for non-antibiotic alternatives. PMID- 27864922 TI - Estimates of local biodiversity change over time stand up to scrutiny. AB - We present new data and analyses revealing fundamental flaws in a critique of two recent meta-analyses of local-scale temporal biodiversity change. First, the conclusion that short-term time series lead to biased estimates of long-term change was based on two errors in the simulations used to support it. Second, the conclusion of negative relationships between temporal biodiversity change and study duration was entirely dependent on unrealistic model assumptions, the use of a subset of data, and inclusion of one outlier data point in one study. Third, the finding of a decline in local biodiversity, after eliminating post disturbance studies, is not robust to alternative analyses on the original data set, and is absent in a larger, updated data set. Finally, the undebatable point, noted in both original papers, that studies in the ecological literature are geographically biased, was used to cast doubt on the conclusion that, outside of areas converted to croplands or asphalt, the distribution of biodiversity trends is centered approximately on zero. Future studies may modify conclusions, but at present, alternative conclusions based on the geographic-bias argument rely on speculation. In sum, the critique raises points of uncertainty typical of all ecological studies, but does not provide an evidence-based alternative interpretation. PMID- 27864923 TI - 3D bioengineered tissues: From advancements in in vitro safety to new horizons in disease modeling. AB - Research aimed at more fully emulating human biology in vitro has rapidly progressed in recent years with advancements in 3D tissue engineering and microphysiological systems. The initial target of such systems has been directed towards drug and chemical safety assessment, with the goal of improving sensitivity and predictive capabilities. Here we discuss recent developments of in vitro organ culture systems, and their future applications in modeling human disease. PMID- 27864921 TI - What is the role of retroperitoneal exploration in optimally debulked stage IIIC epithelial ovarian cancer? An NRG Oncology/Gynecologic Oncology Group ancillary data study. AB - BACKGROUND: The purpose of this study was to determine the effect of retroperitoneal (RP) exploration on progression-free survival (PFS) and overall survival (OS) in epithelial ovarian cancer (EOC) patients with stage IIIC disease who underwent optimal debulking surgery. METHODS: Data were collected from records of the Gynecologic Oncology Group 182 (GOG-182) study of stage IIIC EOC patients cytoreduced to no gross residual disease (R0) or minimal gross residual (<1 cm) disease (MGRD) at primary surgery. Patients with stage IIIC disease by intraperitoneal (IP) tumor were included and divided into 3 groups: 1) > 2 cm IP tumor without lymph node involvement (IP/RP-), 2) > 2 cm IP tumor with lymph node involvement (IP/RP+), and 3) > 2 cm IP tumor with no RP exploration (IP/RP?). The effects of disease distribution and RP exploration on PFS and OS were assessed using Kaplan-Meier and proportional hazards methods. RESULTS: There were 1871 stage IIIC patients in GOG-182 who underwent optimal primary debulking surgery. Of these, 689 (36.8%) underwent RP exploration with removal of lymph nodes from at least 1 para-aortic site, and 1182 (63.2%) did not. There were 269 patients in the IP/RP- group, 420 patients in the IP/RP + group, and 1182 patients in the IP/RP? group. Improved PFS (18.5 vs 16.0 months; P < .0001) and OS (53.3 vs 42.8 months; P < .0001) were associated with RP exploration versus no exploration. Patients with MGRD had improved PFS (16.8 vs 15.1 months, P = 0.0108) and OS (44.9 vs 40.5 months, P = 0.0076) versus no exploration. CONCLUSIONS: RP exploration at the time of primary surgery in patients with optimally debulked stage IIIC EOC is associated with a survival benefit. Cancer 2017;123:985-93. (c) 2016 American Cancer Society. PMID- 27864925 TI - Drug-induced pyoderma gangrenosum: a model to understand the pathogenesis of pyoderma gangrenosum. AB - Pyoderma gangrenosum (PG) is a rare autoinflammatory condition in which the alteration of neutrophil function and the innate immune response play key roles in its pathogenesis. Cases of PG have been reported in patients being treated with certain medications, which may help us to understand some of the possible pathways involved in the aetiology of PG. The aim of this review is to review the cases of PG triggered by certain drugs and try to thoroughly understand the pathogenesis of the disease. To accomplish this, a PubMed search was completed using the following words: pyoderma gangrenosum, neutrophilic dermatosis, pathophysiology, drug-induced pyoderma gangrenosum. In total, we found 43 cases of drug-induced PG. Most of them were caused by colony-stimulating factors and small-molecule tyrosine kinase inhibitors. We propose that drugs induce PG through various mechanisms such as dysfunctional neutrophil migration and function, dysregulated inflammatory response, promotion of keratinocyte apoptosis and alteration of epigenetic mechanisms. PG is a rare condition with complex pathophysiology and drug-induced cases are even more scarce; this is the main limitation of this review. Understanding the possible mechanisms of drug-induced PG, via abnormal neutrophil migration and function, abnormal inflammation, keratinocyte apoptosis and alteration of epigenetic mechanisms would help to better understand the pathogenesis of PG and ultimately to optimize targeted therapy. PMID- 27864926 TI - Synaptic distribution of individually labeled mitral cells in the external plexiform layer of the mouse olfactory bulb. AB - Mitral cells are the major projection neurons of the olfactory bulb. They receive olfactory inputs, regulate information, and project their axons to the olfactory cortex. To understand output regulation of mitral cells better, we established a method to visualize individual projection neurons and quantitatively examined their synaptic distribution. Individual mitral cells were labeled by viral injection, reconstructed three dimensionally with light microscopy, and serial sectioned for electron microscopy. Synaptic distributions were analyzed in electron microscopically reconstructed cell bodies, two regions of secondary dendrites (near the somata and ~200 MUm from the somata), and primary dendrites. The ratio of presynaptic sites (60%) and reciprocal synapses (60% presynaptic and 80% postsynaptic sites) were similar in each region. Characteristically, primary dendrite synapses were distributed mainly within the inner half of the external plexiform layer (EPL). For comparison, tufted cells were also examined, and the synaptic distribution in two secondary dendrite regions, which corresponded with mitral cells, was analyzed. The results showed that the ratio of reciprocal synapses (80% presynaptic and 90% postsynaptic sites) was greater than in mitral cells. The distribution of symmetrical synapses was also analyzed with synaptic and neuronal markers, such as parvalbumin, vesicular gamma-aminobutyric acid transporter, and gephyrin. Parvalbumin-expressing neurons tended to form synapses on secondary dendrites near the somata and were more uniformly distributed on primary dendrites of mitral cells. These results indicate that local mitral cell synaptic circuits are formed in accordance with their functional roles and restricted to the inner half of the EPL. J. Comp. Neurol. 525:1633-1648, 2017. (c) 2016 Wiley Periodicals, Inc. PMID- 27864927 TI - Indications for major hepatectomy and combined procedures for advanced gallbladder cancer. AB - BACKGROUND: The clinical impact of major hepatectomy for advanced gallbladder cancer is currently unclear. METHODS: Patients who underwent resection for stage II, III or IV gallbladder cancer were enrolled. The surgical outcomes of patients who underwent major hepatectomy were compared with those of patients treated with minor hepatectomy and those with unresectable gallbladder cancer. The clinical impact of major hepatectomy and combined advanced procedures such as portal vein resection or pancreatoduodenectomy for advanced gallbladder cancer were evaluated. RESULTS: A total of 96 patients were enrolled; 29 patients underwent major and 67 had minor hepatectomy. The overall morbidity rate was higher in the major hepatectomy group (55 versus 27 per cent; P = 0.022). There were no deaths after major hepatectomy. Overall survival was better in the major hepatectomy group than in the group of 15 patients with unresectable disease (median survival 17.7 versus 11.4 months; P = 0.003). In a subgroup analysis of the major hepatectomy group, liver metastasis (P = 0.038) and hepatic arterial invasion (P = 0.017) were independently associated with overall survival. Overall survival in patients with liver metastasis (P = 0.572) or hepatic arterial invasion (P = 0.776) was comparable with that in the unresectable group. However, overall survival among patients with lymph node metastasis (P = 0.062) or following portal vein resection (P = 0.054) or pancreatoduodenectomy (P = 0.011) was better than in the unresectable group. CONCLUSION: Major hepatectomy combined with portal vein resection or pancreatoduodenectomy, if necessary, may be considered in the treatment of advanced gallbladder cancer, especially in selected patients without liver metastasis or hepatic arterial invasion. PMID- 27864928 TI - Classification of Porcine Cranial Fracture Patterns Using a Fracture Printing Interface,. AB - Distinguishing between accidental and abusive head trauma in children can be difficult, as there is a lack of baseline data for pediatric cranial fracture patterns. A porcine head model has recently been developed and utilized in a series of studies to investigate the effects of impact energy level, surface type, and constraint condition on cranial fracture patterns. In the current study, an automated pattern recognition method, or a fracture printing interface (FPI), was developed to classify cranial fracture patterns that were associated with different impact scenarios documented in previous experiments. The FPI accurately predicted the energy level when the impact surface type was rigid. Additionally, the FPI was exceedingly successful in determining fractures caused by skulls being dropped with a high-level energy (97% accuracy). The FPI, currently developed on the porcine data, may in the future be transformed to the task of cranial fracture pattern classification for human infant skulls. PMID- 27864924 TI - Pentraxin 3 in patients with severe sepsis or shock: the ALBIOS trial. AB - BACKGROUND: The long pentraxin PTX3 is a key component of the humoral arm of innate immunity related to sepsis severity and mortality. We evaluated the clinical and prognostic significance of circulating PTX3 in the largest cohort ever reported of patients with severe sepsis or septic shock. MATERIALS AND METHODS: Plasma PTX3 was measured on days 1, 2 and 7 after randomization of 958 patients to albumin or crystalloids for fluid resuscitation in the multicentre Albumin Italian Outcome Sepsis (ALBIOS) trial. We tested the association of PTX3 and its changes over time with clinical severity, prevalent and incident organ dysfunctions, 90-day mortality and treatment. RESULTS: PTX3 was high at baseline (72 [33-186] ng/mL) and rose with the severity and number of organ dysfunctions (P < 0.001) and the incidence of subsequent new failures. The PTX3 concentration dropped from day 1 to 7, but this decrease was less pronounced in patients with septic shock (P = 0.0004). Higher concentrations of PTX3 on day 1 predicted incident organ dysfunctions. Albumin supplementation was associated with lower levels of PTX3 in patients with septic shock (P = 0.005) but not in those without shock. In a fully adjusted multivariable model, PTX3 on day 7 predicted 90-day mortality. Smaller drops in PTX3 predicted higher 90-day mortality. CONCLUSIONS: In severe sepsis and septic shock, early high PTX3 predict subsequent new organ failures, while a smaller drop in circulating PTX3 over time predicts an increased risk of death. Patients with septic shock show lower levels of PTX3 when assigned to albumin than to crystalloids. PMID- 27864930 TI - Patients with atopic dermatitis with filaggrin loss-of-function mutations show good but lower responses to immunosuppressive treatment. PMID- 27864929 TI - Temporal lobe epilepsy and focal cortical dysplasia in children: A tip to find the abnormality. AB - OBJECTIVE: To demonstrate an association between magnetic resonance imaging (MRI) findings and pathologic characteristics in children who had surgery for medically refractory epilepsy due to focal cortical dysplasia (FCD). METHODS: We retrospectively studied 110 children who had epilepsy surgery. Twenty-seven patients with FCD were included. Thirteen had temporal lobe epilepsy (TLE) and 14 had extra-temporal lobe epilepsy (ETLE). Three patients had associated mesial temporal sclerosis. Preoperative 3T MRIs interleaved with nine controls were blindly re-reviewed and categorized according to signal alteration. Pathologic specimens were classified according to the 2011 International League Against Epilepsy (ILAE) classification and compared to MRI studies. RESULTS: Rates of pathology subtypes differed between TLE and ETLE (chi2 (3) = 8.57, p = 0.04). FCD type I was more frequent in TLE, whereas FCD type II was more frequent in ETLE. In the TLE group, nine patients had temporal tip abnormalities. They all exhibited gray-white matter blurring with decreased myelination and white matter hyperintense signal. Blurring involved the whole temporal tip, not just the area of dysplasia. These patients were less likely to demonstrate cortical thickening compared to those without temporal tip findings (chi2 (1) = 9.55, p = 0.002). Three of them had FCD Ib, three had FCD IIa, two had FCD IIIa, and one had FCD IIb; MRI features could not entirely distinguish between FCD subtypes. TLE patients showed more pronounced findings than ETLE on MRI (chi2 (1) = 11.95, p = 0.003, odds ratio [OR] 18.00). In all cases of FCD, isolated blurring was more likely to be associated with FCD II, whereas blurring with decreased myelination was seen with FCD I (chi2 (6) = 13.07, p = 0.042). SIGNIFICANCE: Our study described associations between MRI characteristics and pathology in children with FCD and offered a detailed analysis of temporal lobe tip abnormalities and FCD subtypes in children with TLE. These findings may contribute to the presurgical evaluation of patients with refractory epilepsy. PMID- 27864931 TI - Spatial distribution of synapses on tyrosine hydroxylase-expressing juxtaglomerular cells in the mouse olfactory glomerulus. AB - Olfactory sensory axons converge in specific glomeruli where they form excitatory synapses onto dendrites of mitral/tufted (M/T) and juxtaglomerular (JG) cells, including periglomerular (PG), external tufted (ET), and superficial-short axon cells. JG cells consist of heterogeneous subpopulations with different neurochemical, physiological, and morphological properties. Among JG cells, previous electron microscopic (EM) studies have shown that the majority of synaptic inputs to tyrosine hydroxylase (TH)-immunoreactive neurons were asymmetrical synapses from olfactory nerve (ON) terminals. However, recent physiological results revealed that 70% of dopaminergic/gamma-aminobutyric acid (GABA)ergic neurons received polysynaptic inputs via ET cells, whereas the remaining 30% received monosynaptic ON inputs. To understand the discrepancies between EM and physiological data, we used serial EM analysis combined with confocal laser scanning microscope images to examine the spatial distribution of synapses on dendrites using mice expressing enhanced green fluorescent protein under the control of the TH promoter. The majority of synaptic inputs to TH expressing JG cells were from ON terminals, and they preferentially targeted distal dendrites from the soma. On the other hand, the numbers of non-ON inputs were fewer and targeted proximal dendrites. Furthermore, individual TH-expressing JG cells formed serial synapses, such as M/T->TH->another presumed M/T or ON->TH >presumed M/T, but not reciprocal synapses. Serotonergic fibers also associated with somatic regions of TH neurons, displaying non-ON profiles. Thus, fewer proximal non-ON synapses provide more effective inputs than large numbers of distal ON synapses and may occur on the physiologically characterized population of dopaminergic-GABAergic neurons (70%) that receive their most effective inputs indirectly via an ON->ET->TH circuit. J. Comp. Neurol. 525:1059-1074, 2017. (c) 2017 Wiley Periodicals, Inc. PMID- 27864932 TI - HPV status and favourable outcome in vulvar squamous cancer. AB - It is universally accepted that high-risk human papillomavirus (HR-HPV) is the cause of cervical dysplasia and cancer. More recently, it has been shown that HPV is also a marker of clinical outcome in oropharyngeal cancer. However, contemporary information is lacking on both the prevalence of HPV infection in vulvar cancer (VSCC), its precursor lesion, vulvar intraepithelial neoplasia (VIN) and the influence of HPV-status on the prognosis of this malignancy. We have conducted a detailed population-based study to examine rates of progression of VIN to VSCC, type-specific HPV prevalence in vulvar disease and the influence of HPV status on clinical outcome in VSCC. We observed that the age at which women are diagnosed with VSCC is falling and there is a significant time gap between first diagnosis of VIN and progression to invasive disease. HR-HPV infection was detected in 87% (97/112) cases of VIN and 52% cases (32/62) of VSCC. The presence of HR-HPV in squamous intraepithelial lesion was associated with lower rates of progression to invasive cancer (hazard ratio, 0.22, p = 0.001). In the adjusted analysis, HR-HPV was associated with improved progression free survival of VSCC compared to those with HPV negative tumours (hazard ratio, 0.32, p = 0.02). PMID- 27864933 TI - Woody plant richness does not influence invertebrate community reassembly trajectories in a tree diversity experiment. AB - Understanding the relationship between plant diversity and diversity at higher trophic levels is important from both conservation and restoration perspectives. Although there is strong evidence for bottom-up maintenance of biodiversity, this is based largely on studies of simplified grassland systems. Recently, studies in the TreeDivNet global network of tree diversity experiments have begun to test whether these findings are generalizable to more complex ecosystems, such as woodlands. We monitored invertebrate community reassembly over 5 yr of experimental woodland restoration at the TreeDivNet Ridgefield site in southwest Australia, testing the effects of woody plant species richness and herb-layer manipulation on invertebrate community structure and ant species composition. From 2010 to 2014, we sampled ground-dwelling invertebrates using pitfall traps in herbicide vs. no-herbicide subplots nested within each of 10 woody plant treatments varying in richness from zero (bare controls) to eight species, which produced a total of 211, 235 invertebrates, including 98, 979 ants belonging to 74 species. In mixed model analyses, the presence of woody plants was an important driver of faunal community reassembly (relative to bare control plots), but faunal responses to woody plant treatment combinations were idiosyncratic and unrelated to woody plant richness across treatments. We also found that a herbicide-induced reduction in herbaceous plant cover and richness had a positive effect on ant richness and caused more rapid convergence of invertebrate community composition toward the composition of a woodland reference site. These findings show that woody plant richness did not have direct positive effects on the diversity and community reassembly trajectories of higher trophic levels in our woodland system. From a management perspective, this suggests that even low diversity restoration or carbon sequestration plantings can potentially lead to faunal reassembly outcomes that are comparable to more complex re-planting designs. PMID- 27864934 TI - Recovery of Trace DNA on Clothing: A Comparison of Mini-tape Lifting and Three Other Forensic Evidence Collection Techniques. AB - Trace DNA is often found in forensic science investigations. Experience has shown that it is difficult to retrieve a DNA profile when trace DNA is collected from clothing. The aim of this study was to compare four different DNA collection techniques on six different types of clothing in order to determine the best trace DNA recovery method. The classical stain recovery technique using a wet cotton swab was tested against dry swabbing, scraping and a new method, referred to as the mini-tape lifting technique. Physical contact was simulated with three different "perpetrators" on 18 machine-washed garments. DNA was collected with the four different DNA recovery methods and subjected to standard PCR-based DNA profiling. The comparison of STR results showed best results for the mini-tape lifting and scraping methods independent of the type of clothing. The new mini tape lifting technique proved to be an easy and reliable DNA collection method for textiles. PMID- 27864935 TI - Adenoid Cystic Carcinoma of the Trachea Resulting in Fatal Asphyxia. AB - Primary malignant tumors of the trachea are uncommon. The authors report a case of a 72-year-old female who died from asphyxia due to an undiagnosed obstructing adenoid cystic carcinoma of the trachea. The decedent became unresponsive while eating cereal and was pronounced upon arrival at the local hospital. The autopsy revealed a near occlusive tumor mass just superior to the bifurcation of the distal trachea. There was no evidence of aspiration. The death was the result of asphyxia due to obstruction of the trachea by an adenoid cystic carcinoma. This case demonstrates that an obstructive tumor mass may remain undiagnosed until an obstructive episode results in a sudden death. PMID- 27864937 TI - Pax3 overexpression induces cell aggregation and perturbs commissural axon projection during embryonic spinal cord development. AB - Pax3 is a transcription factor that belongs to the paired box family. In the developing spinal cord it is expressed in the dorsal commissural neurons, which project ascending axons contralaterally to form proper spinal cord-brain circuitry. While it has been shown that Pax3 induces cell aggregation in vitro, little is known about the role of Pax3 in cell aggregation and spinal circuit formation in vivo. We have reported that Pax3 is involved in neuron differentiation and that its overexpression induces ectopic cadherin-7 expression. In this study we report that Pax3 overexpression also induces cell aggregation in vivo. Tissue sections and open book preparations revealed that Pax3 overexpression prevents commissural axons from projecting to the contralateral side of the spinal cord. Cells overexpressing Pax3 aggregated in cell clusters that contained shortened neurites with perturbed axon growth and elongation. Pax3-specific shRNA partially rescued the morphological change induced by Pax3 overexpression in vivo. Our results indicate that the normal expression of Pax3 is necessary for proper axonal pathway finding and commissural axon projection. In conclusion, Pax3 regulates neural circuit formation during embryonic development. J. Comp. Neurol. 525:1618-1632, 2017. (c) 2016 Wiley Periodicals, Inc. PMID- 27864936 TI - Effect of sphingosine kinase modulators on interleukin-1beta release, sphingosine 1-phosphate receptor 1 expression and experimental autoimmune encephalomyelitis. AB - BACKGROUND AND PURPOSE: The sphingosine analogue, FTY720 (GilenyaR ), alleviates clinical disease progression in multiple sclerosis. Here, we variously assessed the effects of an azide analogue of (S)-FTY720 vinylphosphonate (compound 5; a sphingosine kinase 1 activator), (R)-FTY720 methyl ether (ROMe, a sphingosine kinase 2 inhibitor) and RB-020 (a sphingosine kinase 1 inhibitor and sphingosine kinase 2 substrate) on IL-1beta formation, sphingosine 1-phosphate levels and expression of S1P1 receptors. We also assessed the effect of compound 5 and ROMe in an experimental autoimmune encephalomyelitis (EAE) model in mice. EXPERIMENTAL APPROACH: We measured IL-1beta formation by macrophages, sphingosine 1-phosphate levels and expression levels of S1P1 receptors in vitro and clinical score in mice with EAE and the extent of inflammatory cell infiltration into the spinal cord in vivo. KEY RESULTS: Treatment of differentiated U937 macrophages with compound 5, RB-020 or sphingosine (but not ROMe) enhanced IL-1beta release. These data suggest that these compounds might be pro-inflammatory in vitro. However, compound 5 or ROMe reduced disease progression and infiltration of inflammatory cells into the spinal cord in EAE, and ROMe induced a reduction in CD4+ and CD8+ T-cell levels in the blood (lymphopenia). Indeed, ROMe induced a marked decrease in expression of cell surface S1P1 receptors in vitro. CONCLUSION AND IMPLICATIONS: This is the first demonstration that an activator of sphingosine kinase 1 (compound 5) and an inhibitor of sphingosine kinase 2 (ROMe, which also reduces cell surface S1P1 receptor expression) have an anti-inflammatory action in EAE. PMID- 27864938 TI - Harms of cervical cancer screening in the United States and the Netherlands. AB - We studied harms related to cervical cancer screening and management of screen positive women in the United States (US) and the Netherlands. We utilized data from four US integrated health care systems (SEARCH), the US National Health Interview Survey, New Mexico state, the Netherlands national histopathology registry, and included studies on adverse health effects of cervical screening. We compared the number of Papanicolaou (Pap) smear tests, abnormal test results, punch biopsies, treatments, health problems (anxiety, pain, bleeding and discharge) and preterm births associated with excisional treatments. Results were age-standardized to the 2007 US population. Based on SEARCH, an estimated 36 million Pap tests were performed in 2007 for 91 million US women aged 21-65 years, leading to 2.3 million abnormal Pap tests, 1.5 million punch biopsies, 0.3 million treatments for precancerous lesions, 5 thousand preterm births and over 8 million health problems. Under the Netherlands screening practice, fewer Pap tests (58%), abnormal test results (64%), punch biopsies (75%), treatment procedures (40%), preterm births (60%) and health problems (63%) would have occurred. The SEARCH data did not differ much from other US data for 2007 or from more recent data up to 2013. Thus compared to the less intensive screening practice in the Netherlands, US practice of cervical cancer screening may have resulted in two- to threefold higher harms, while the effects on cervical cancer incidence and mortality are similar. The results are also of high relevance in making recommendations for HPV screening. Systematic collection of harms data is needed for monitoring and for better incorporation of harms in making screening recommendations. PMID- 27864939 TI - GABAergic innervation of the ciliary ganglion in macaque monkeys - A light and electron microscopic study. AB - The vertebrate ciliary ganglion (CG) is a relay station in the parasympathetic pathway activating the iris sphincter and ciliary muscle to mediate pupillary constriction and lens accommodation, respectively. While the postganglionic motoneurons in the CG are cholinergic, as are their inputs, there is evidence from avian studies that GABA may also be involved. Here, we used light and electron microscopic methods to examine the GABAergic innervation of the CG in Macaca fascicularis monkeys. Immunohistochemistry for the gamma aminobutyric acid synthesizing enzyme glutamic acid decarboxylase (GAD) and choline acetyltransferase (ChAT) revealed that all CG neurons are contacted by ChAT positive terminals. A subpopulation of 17.5% of CG neurons was associated with terminal boutons expressing GAD-immunoreactivity in addition. Double-labeling for GAD and synaptophysin confirmed that these were synaptic terminals. Electron microscopic analysis in conjunction with GABA-immunogold staining showed that (1) GAD-positive terminals mainly target dendrites and spines in the perisomatic neuropil of CG neurons; (2) GABA is restricted to a specific terminal type, which displays intermediate features lying between classically excitatory and inhibitory endings; and (3) if a CG neuron is contacted by GABA-positive terminals, virtually all perisomatic terminals supplying it show GABA immunoreactivity. The source of this GABAergic input and whether GABA contributes to a specific CG function remains to be investigated. Nevertheless, our data indicate that the innervation of the ciliary ganglion is more complex than previously thought, and that GABA may play a neuromodulatory role in the control of lens or pupil function. J. Comp. Neurol. 525:1517-1531, 2017. (c) 2016 Wiley Periodicals, Inc. PMID- 27864941 TI - Male, old age and low income to predispose epilepsy in migraineurs. AB - BACKGROUND: This study investigated whether sex, age, income and any comorbidity affect subsequent epilepsy development in migraineurs. MATERIALS AND METHODS: A total of 4915 men diagnosed with migraine who were aged older than 20 years were identified as the study cohort. A total of 4882 female migraineurs were included in the comparison cohort. We calculated the adjusted hazard ratio (aHR) for the risk of epilepsy in the two cohorts after adjustment for age and comorbidity. Kaplan-Meier analysis was used to analyse the cumulative epilepsy incidence, and the log-rank test was used to estimate the differences between the two cumulative incidence curves. RESULTS: The risk of epilepsy was 2.31-fold higher in male migraineurs than in female migraineurs. The income-specific analysis showed that the risk of epilepsy was high in migraineurs with a low monthly income [aHR: 2.73 for 15 000-25 000 new Taiwan dollar (NTD; approximately 500-833 USD) and aHR: 2.71 for < 15 000 NTD]. Among patients with one or more comorbidity, a 2.48-fold (95% confidence interval: 1.65-3.74) high risk of epilepsy was noted in male migraineurs, regardless of the presence of head injury. Additional analyses revealed that male migraineurs aged 65 years or older had the highest risk of epilepsy. CONCLUSION: Migraineurs have an increased risk of subsequent epilepsy. Male sex, old age and low income may interact with migraine and result in a high risk of epilepsy in migraineurs. PMID- 27864942 TI - A review of capture and post-release mortality of elasmobranchs. AB - There is a need to better understand the survivorship of discarded fishes, both for commercial stocks and species of conservation concern. Within European waters, the landing obligations that are currently being phased in as part of the European Union's reformed common fisheries policy means that an increasing number of fish stocks, with certain exceptions, should not be discarded unless it can be demonstrated that there is a high probability of survival. This study reviews the various approaches that have been used to examine the discard survival of elasmobranchs, both in terms of at-vessel mortality (AVM) and post-release mortality (PRM), with relevant findings summarized for both the main types of fishing gear used and by taxonomic group. Discard survival varies with a range of biological attributes (species, size, sex and mode of gill ventilation) as well as the range of factors associated with capture (e.g. gear type, soak time, catch mass and composition, handling practices and the degree of exposure to air and any associated change in ambient temperature). In general, demersal species with buccal-pump ventilation have a higher survival than obligate ram ventilators. Several studies have indicated that females may have a higher survival than males. Certain taxa (including hammerhead sharks Sphyrna spp. and thresher sharks Alopias spp.) may be particularly prone to higher rates of mortality when caught. PMID- 27864943 TI - "Hummingbird" floral traits interact synergistically to discourage visitation by bumble bee foragers. AB - Pollination syndromes are suites of floral traits presumed to reflect adaptations to attract and utilize a "primary" type of animal pollinator. However, syndrome traits may also function to deter "secondary" flower visitors that reduce plant fitness through their foraging activities. Here we use the hummingbird-pollinated plant species Mimulus cardinalis as a model to investigate the potential deterrent effects of classic bird syndrome traits on bumble bee foragers. To establish that M. cardinalis flowers elicit an avoidance response in bees, we assessed the choice behavior of individual foragers on a mixed experimental array of M. cardinalis and its bee-pollinated sister species M. lewisii. As expected, bees showed a strong preference against M. cardinalis flowers (only 22% of total bee visits were to M. cardinalis), but surprisingly also showed a high degree of individual specialization (95.2% of total plant transitions were between conspecifics). To determine M. cardinalis floral traits that discourage bee visitation, we then assessed foraging responses of individuals to M. cardinalis like and M. lewisii-like floral models differing in color, orientation, reward, and combinations thereof. Across experiments, M. cardinalis-like trait combinations consistently produced a higher degree of flower avoidance behavior and individual specialization than expected based on bee responses to each trait in isolation. We then conducted a series of flower discrimination experiments to assess the ability of bees to utilize traits and trait combinations associated with each species. Relative to M. lewisii-like alternatives, M. cardinalis-like traits alone had a minimal effect on bee foraging proficiency but together increased the time bees spent searching for rewarding flowers from 1.49 to 2.65 s per visit. Collectively, our results show that M. cardinalis flowers impose foraging costs on bumble bees sufficient to discourage visitation and remarkably, generate such costs through synergistic color-orientation and color-reward trait interactions. Floral syndromes therefore represent complex adaptations to multiple pollinator groups, rather than simply the primary pollinator. PMID- 27864940 TI - Endogenous lysophosphatidic acid (LPA1 ) receptor agonists demonstrate ligand bias between calcium and ERK signalling pathways in human lung fibroblasts. AB - BACKGROUND AND PURPOSE: Human lung fibroblasts (HLF) express high levels of the LPA1 receptor, a GPCR that responds to the endogenous lipid mediator, lysophosphatidic acid (LPA). Several molecular species or analogues of LPA exist and have been detected in biological fluids such as serum and plasma. The most widely expressed of the LPA receptor family is the LPA1 receptor, which predominantly couples to Gq/11 , Gi/o and G12/13 proteins. This promiscuity of coupling raises the possibility that some of the LPA analogues may bias the LPA1 receptor towards one signalling pathway over another. EXPERIMENTAL APPROACH: Here, we have explored the signalling profiles of a range of LPA analogues in HLF that endogenously express the LPA1 receptor. HLF were treated with LPA analogues and receptor activation monitored via calcium mobilization and ERK phosphorylation. KEY RESULTS: These analyses demonstrated that the 16:0, 17:0, 18:2 and C18:1 LPA analogues appear to exhibit ligand bias between ERK phosphorylation and calcium mobilization when compared with 18:1 LPA, one of the most abundant forms of LPA that has been found in human plasma. CONCLUSION AND IMPLICATIONS: The importance of LPA as a key signalling molecule is shown by its widespread occurrence in biological fluids and its association with disease conditions such as fibrosis and cancer. These findings have important, as yet unexplored, implications for the (patho-) physiological signalling of the LPA1 receptor, as it may be influenced not only by the concentration of endogenous ligand but the isoform as well. PMID- 27864944 TI - Spatial vegetation patterns and neighborhood competition among woody plants in an East African savanna. AB - The majority of research on savanna vegetation dynamics has focused on the coexistence of woody and herbaceous vegetation. Interactions among woody plants in savannas are relatively poorly understood. We present data from a 10-yr longitudinal study of spatially explicit growth patterns of woody vegetation in an East African savanna following exclusion of large herbivores and in the absence of fire. We examined plant spatial patterns and quantified the degree of competition among woody individuals. Woody plants in this semiarid savanna exhibit strongly clumped spatial distributions at scales of 1-5 m. However, analysis of woody plant growth rates relative to their conspecific and heterospecific neighbors revealed evidence for strong competitive interactions at neighborhood scales of up to 5 m for most woody plant species. Thus, woody plants were aggregated in clumps despite significantly decreased growth rates in close proximity to neighbors, indicating that the spatial distribution of woody plants in this region depends on dispersal and establishment processes rather than on competitive, density-dependent mortality. However, our documentation of suppressive effects of woody plants on neighbors also suggests a potentially important role for tree-tree competition in controlling vegetation structure and indicates that the balanced-competition hypothesis may contribute to well-known patterns in maximum tree cover across rainfall gradients in Africa. PMID- 27864946 TI - Development of a Mobile Toolmark Characterization/Comparison System. AB - Since the development of the striagraph, various attempts have been made to enhance forensic investigation through the use of measuring and imaging equipment. This study describes the development of a prototype system employing an easy-to-use software interface designed to provide forensic examiners with the ability to measure topography of a toolmarked surface and then conduct various comparisons using a statistical algorithm. Acquisition of the data is carried out using a portable 3D optical profilometer, and comparison of the resulting data files is made using software named "MANTIS" (Mark and Tool Inspection Suite). The system has been tested on laboratory-produced markings that include fully striated marks (e.g., screwdriver markings), quasistriated markings produced by shear-cut pliers, impression marks left by chisels, rifling marks on bullets, and cut marks produced by knives. Using the system, an examiner has the potential to (i) visually compare two toolmarked surfaces in a manner similar to a comparison microscope and (ii) use the quantitative information embedded within the acquired data to obtain an objective statistical comparison of the data files. This study shows that, based on the results from laboratory samples, the system has great potential for aiding examiners in conducting comparisons of toolmarks. PMID- 27864945 TI - Risk of nasopharyngeal carcinoma penetrates across immigrant generations: A migrant cohort study of 2.3 million Jewish Israeli adolescents. AB - Nasopharyngeal cancer (NPC) incidence varies widely across geographic regions and ethnic groups. We conducted a large-scale migrant cohort study to assess origin and migrant generation as predictors of NPC, controlling for possible confounders. Data on 2.3 million Jewish Israeli adolescents, who underwent a compulsory general health examination at ages 16-19 between the years 1967 and 2011 were linked to the Israel National Cancer Registry to obtain incident NPC up to 2012. Cox proportional hazards were used to model time to event. During 46.5 million person-years of follow-up, 276 incident cases were identified. Origin was a strong independent predictor of NPC with high rates for first generation North African born (adjusted HR 5.52; 95% CI 2.43-12.52; p < 0.000044) and Asian born (adjusted HR 3.79; 95% CI 1.43-10.00; p = 0.007) compared to European-born, adjusted for sex, year of birth, residential socio-economic position, years of education, rural residence, body mass index and height. The magnitude of the associations was similar in the Israeli-born of North African and Asian origin, with these second and third generation immigrants showing elevated HRs (adjusted HR 6.09; 95% CI 2.81-13.20; p = 4.72.10-6 and 3.86; 95% CI 1.77-8.41; p = 0.00067, respectively). These findings suggest a strong genetic predisposition and/or efficient cultural transmission of environmental exposures in the etiology of NPC. PMID- 27864947 TI - Determining the Toxicological Significance of Pregabalin in Fatalities. AB - Pregabalin has become more widely prescribed and abused in recent years but is still not always included in laboratory analysis. An LC-MS-MS method has been developed and applied to measure pregabalin in 93 postmortem cases, including drug-related deaths, alternative causes of death, and fatalities where pregabalin was likely to have contributed to death. Other drugs or alcohol was detected, and the most common drug types (in decreasing frequency) were antidepressants, opioids, benzodiazepines, opiates, alcohol, antipsychotics, cocaine, cardiac drugs, amphetamines, cannabis, anticonvulsants, and antihistamines. New psychoactive substances (methoxphenidine and synthetic cannabinoids) were only found in two cases. The results provide further data to assist in evaluating the significance of postmortem pregabalin concentrations and a toxicologically significant concentration of 25 mg/L is proposed. Pregabalin, especially with concomitant use of other CNS depressant drugs, presents a significant toxicological risk and existing laboratory protocols should be reviewed for their suitability to detect pregabalin. PMID- 27864948 TI - Using Frons Width to Differentiate Blow Fly Species (Diptera: Calliphoridae) Phormia regina (Meigen) and Protophormia terraenovae (Robineau-Desvoidy). AB - Protophormia terraenovae (Robineau-Desvoidy) (Diptera: Calliphoridae) and Phormia regina (Meigen) (Diptera: Calliphoridae) are morphologically similar blow fly species commonly used for estimating postmortem intervals. Field collection and storage of adults can result in color changes, in particular on calypters and palps; often collected specimens show damage such as wing fray or fungal growth. We measured the frons width: total head width ratio using photographs (ImageJ version 1.49) to differentiate these two species. Both sexes were distinguishable to species, with the greatest difference between males: 12.34% P. terraenovae versus 1.62% P. regina, less so for females: 40.25% P. terraenovae, versus 33.65% P. regina. Incorporating this feature into future blow fly keys would help with distinguishing field-caught specimens when other features are obstructed. PMID- 27864949 TI - Multimethod Resolution of a Small-Scale Case of Commingling. AB - This study highlights the use of multiple methods for resolving a case of commingled human remains. Skeletal remains were located in a marijuana field in rural northern California by law enforcement. Although initially buried in shallow graves, the remains of two decedents were disturbed by large carnivores and scattered over a wide area. The remains were submitted by law enforcement for forensic anthropological analysis and resolution of commingling. To segregate the remains of the two individuals, a number of methods were employed, including: (i) physical matching of fragmented remains; (ii) articulation to evaluate joint congruence; (iii) visual pair-matching of bilateral elements; (iv) osteometric pair-matching; (v) evaluation of taphonomic patterns; (vi) DNA analysis; and (vii) portable X-ray spectrometry (pXRF). This multimethod approach resulted in accurate resolution of the commingling and facilitated reconstruction of the biological profiles, taphonomic patterns, and trauma analysis for each individual. PMID- 27864950 TI - The Impact of Freezing on Bone Mineral Density: Implications for Forensic Research. AB - It is common for researchers using animal or human remains for scientific study to freeze samples prior to use. However, effects of freezing on bone macro- or microstructure are relatively unknown. The research objective of this study was to determine whether freezing could potentially bias experimental results by analyzing changes in bone mineral density (BMD) with the freezing of remains over time. Eight fetal pigs were scanned to determine their initial BMD before freezing. Three piglets underwent a freeze-thaw cycle to assess the effects of the freezing process. Four piglets were frozen and scanned weekly for 20 weeks to assess freezing over time. The overall average between the fresh initial scan and final frozen scan was significantly different (p < 0.001). Per contra, the final thawed BMD scans did not differ from the initial fresh scan (p = 0.418). Thus, completely thawed remains are recommended for experimental studies. PMID- 27864951 TI - Evaluation of the Role of Toxicological Data in Discriminating Between H2 S Femoral Blood Concentration Secondary to Lethal poisoning and Endogenous H2 S Putrefactive Production. AB - Hydrogen sulfide is a colorless gas and has a strong odor of rotten eggs. It is absorbed by the upper respiratory tract mucosa, and it causes histotoxic hypoxemia and respiratory depression by exerting an inhibitory effect on cytochrome oxidase. To evaluate the role of toxicological data in distinguishing between the H2 S blood concentration secondary to lethal poisoning and the endogenous H2 S produced during putrefaction, we compared the postmortem H2 S concentrations of six fatal H2 S poisoning cases (8.7-28.6 mg/L) with the postmortem concentrations of endogenous H2 S of 12 subjects who died from other causes (traffic-related deaths) (2.2-32.7 mg/L). These results will be of interest to the forensic community as it underlines the importance of considering circumstantial evidence along with the toxicological and pathological findings in the identification of H2 S lethal poisoning. PMID- 27864952 TI - Sudden Infant and Early Childhood Death and Sinus of Valsalva Pseudoaneurysms. AB - Two cases of occult pseudoaneurysms of the sinus of Valsalva (SoV) are reported to demonstrate different etiologies and lethal mechanisms. A previously well 9 month-old boy who suffered an unexpected fatal cardiorespiratory arrest was found at autopsy to have a ruptured pseudoaneurysm of the left SoV resulting in lethal hemopericardium. A 13.5-month-old boy died soon after presenting with a 24-h history of poor feeding and reduced urine output. At autopsy, destruction of the noncoronary cusp of the aortic valve by bacterial endocarditis was found with extension of the inflammation into a pseudoaneurysm of the SoV with surrounding abscess formation involving the atrioventricular node. Death was most likely due to an arrhythmia. Pseudoaneurysms of the SoV are exceedingly rare but may result in sudden/unexpected death in infancy and early childhood from rupture or involvement of the conduction system or myocardium. Detailed cardiac examination is essential in all unexpected deaths in early life. PMID- 27864953 TI - Deaths in Unlicensed Alcohol Rehabilitation Facilities. AB - Non-English-speaking people do not always seek medical care through established institutions. This paper reports a series of deaths in unlicensed alcohol rehabilitation facilities serving Spanish-speaking men. These facilities are informal groups of alcohol abusing men who live together. New members receive various treatments, including administration of ethanol or isopropanol, restraint, and seclusion. We reviewed 42 deaths in unlicensed alcohol rehabilitation facilities in Los Angeles County during the years 2003-2014. Data gathered included age, length of time spent in the facility, blood alcohol and drugs at autopsy, and cause and manner of death. Causes of death included acute alcohol poisoning, alcohol withdrawal, and a variety of other causes. Three cases were considered homicides from restraint asphyxia. The Department of Medical Examiner-Coroner has worked with the police, district attorney, and State Department of Health Services to try to prevent additional deaths in unlicensed alcohol rehabilitation facilities. Nevertheless, prevention has been difficult. PMID- 27864954 TI - Prevalence of comorbidity and associated risk factors in adults with atopic dermatitis. AB - BACKGROUND: Atopic dermatitis (AD) is a common chronic skin disorder, which may persist into adulthood; however, the prevalence of comorbidities in patients with AD is not well characterized. AD is considered a systemic disorder like psoriasis, which has raised a need for data on the comorbidity profile of patients with AD, to assess the potential risks, benefits, and complications in management of patients with AD. We described the occurrence of medical and psychiatric comorbidities and associated risk factors in adults with AD compared with psoriasis and the general population. METHODS: All Danish individuals aged >=18 years with a hospital (inpatient or ambulatory) diagnosis of AD or psoriasis during the study period (January 1, 1995-December 31, 2012) were linked in administrative registers. RESULTS: Overall, prevalence of smoking and alcohol abuse was higher among patients with AD than the general population, but lower than psoriasis patients. Similarly, patients with AD had more risk factors and higher prevalence of comorbidity than the general population, but lower prevalence and reduced risk compared to psoriasis patients, except for use of anxiolytics, which was higher in severe AD. Prevalence of diabetes was lower in AD than psoriasis patients as well as general population controls. CONCLUSIONS: Despite an increased risk of various medical and psychiatric comorbidities compared to general population controls, adult patients with AD had markedly lower prevalence of cardiovascular disease than psoriasis patients. However, prevalence of psychiatric comorbidity and tobacco smoking was alarmingly high in severe patients with AD, which might be target for intervention in patient management. PMID- 27864957 TI - Applications of the fast-slow continuum and reproductive strategy framework of plant life histories. AB - Contents 1618 I. 1618 II. 1619 III. 1620 IV. 1623 1623 References 1624 SUMMARY: Understanding the forces that shape the great amount of variation in plant longevity, reproductive output and growth rate is fundamental to effective predictions of viability, invasions and evolutionary pressures. Here, I extend the recently introduced 'fast-slow continuum and reproductive strategy' framework to quantify the variation in plant life history strategies world-wide. I use high resolution demographic information from 625 plant species and show that this framework predicts not only key demographic properties, such as population growth rate and demographic resilience, but also has important connections to the leaf economics spectrum, biogeographical characteristics, evolutionary biology and conservation biology. This framework may allow plant biologists to unlock powerful global plant predictions from a handful of open-access field measurements. PMID- 27864955 TI - Not only age but also tactile perception influences the preference for cosmetic creams applied to the forearm. AB - OBJECTIVE: We aimed to examine whether and how age as well as tactile sensitivity and perception had an impact on how women liked richer and lighter creams. Furthermore, the question arose if age and tactile perception had an influence on the ability to distinguish between the creams and how the ability to distinguish between creams influenced the liking of these creams. METHODS: A total of 299 female participants were invited to rate how much they liked four different cosmetic creams applied to their forearms. The creams were based on the same base formula but differed with respect to the texture. In order to arouse the impression of more lightness (quasi-light) or more richness (quasi-rich), polyethylene particles of different sizes were added to the base formula. First of all, the participants were tested for their tactile sensitivity and perception. Tactile sensitivity was tested by Von Frey filaments, tactile spatial perception by the tactile Landolt ring test and the ability to discriminate surface structures by a sandpaper test. Furthermore, the participants rated the creams with respect to the acceptance, the subjective skin feeling after application and performed paired-comparison tests. Analyses of variance and regression analyses were applied to the data. RESULTS: In general, participants liked quasi-rich creams less than quasi-light creams. However, older women compared to younger women and women with lower tactile performance in comparison with women with higher tactile performance revealed a weaker influence of cream type-specific acceptance ratings. Further results revealed that young participants perceived the quasi-light creams (with particles of ~50 MUm diameter) as soft and quasi-rich creams (with particles of ~100 MUm and ~165 MUm diameter), as coarse. In contrast, this subjective skin feeling after application in participants at age 50 and older did not differ much. CONCLUSION: Age and tactile perceptual abilities have additive effects on the acceptance of creams with different textures when applied to the forearm. PMID- 27864956 TI - An Examination of the Transition of Fracture Characteristics in Long Bones from Fresh to Dry in Central Florida: Evaluating the Timing of Injury. AB - It is important to conduct timing of injury research analyzing fracture characteristics at known postmortem intervals (PMI) because bone can retain fresh characteristics throughout the PMI. Defleshed pig (Sus scrofa) long bones were fractured weekly in two environments (full sun and shade) over 14 weeks in Central Florida and fracture characteristics were categorized (N = 136) for analysis. Results of analysis of variance (ANOVA) using time in weeks (PMI) as a dependent variable indicate significant relationships between PMI and Fracture Angle (p < 0.001), Fracture Surface (p < 0.001), and Fracture Outline (p < 0.001). Fracture characteristics associated with perimortem trauma (smooth Fracture Surfaces and curved or V-shaped Fracture Outlines) were commonly observed. Analysis of fracture characteristics for each environment demonstrated similar patterns. Overall, the loss of only fresh fracture characteristics for each bone was noted earlier in the PMI for the Central Florida region than previously reported. PMID- 27864958 TI - Patient Profiles of Criminal Behavior in the Context of Traumatic Brain Injury. AB - Traumatic brain injury (TBI) can lead to significant post-traumatic disturbances in mood and behavior, with the frontal lobes playing a key role in emotional and behavioral regulation. Injury to the frontal lobe can result in disinhibition and aggression which can result in police intervention and/or incarceration. We highlight four adult cases with a history of severe TBI with frontal lobe injuries and the presence of post-TBI criminal behaviors. There is evidence to support an anatomical basis for aggressive behaviors, yet there are other risk factors to be considered. Behaviors must be investigated thoroughly by obtaining adequate pre- and post-TBI psychiatric and psychosocial histories. By having a comprehensive understanding of aggression while appreciating the complex relationship between TBI, aggression, and premorbid risk factors, clinicians can more adequately treat patients with TBI, with the aim of potentially preventing criminal behaviors and recidivism. PMID- 27864959 TI - Measuring the Frequency Occurrence of Handwriting and Handprinting Characteristics. AB - The premise of this study was to take a valid population sampling of handwriting and handprinting and assess how many times each of the predetermined characteristic is found in the samples. Approximately 1500 handwriting specimens were collected from across the United States and pared to obtain a representative sample of the U.S. adult population according to selected demographics based on age, sex, ethnicity, handedness, education level, and location of lower-grade school education. This study has been able to support a quantitative assessment of extrinsic and intrinsic effects in handwriting and handprinting for the six subgroups. Additional results include analyses of the interdependence of characteristics. This study found that 98.55% of handprinted characteristics and 97.39% of cursive characteristics had an independence correlation of under 0.2. The conclusions support use of the product rule in general, but with noted caveats. Finally, this study provides frequency occurrence proportions for 776 handwriting and handprinting characteristics. PMID- 27864960 TI - The Interplay Between Diabetes and Pancreatitis: Two Case Reports of Sudden, Natural Deaths and a Review of the Literature. AB - Diabetes mellitus (DM) is a common disease involving insulin resistance or deficit that, when left unchecked, may cause severe hyperglycemia and subsequent end-organ damage. Acute pancreatitis (AP) is inflammation of the pancreas that can lead to significant morbidity and mortality. AP and DM both account for a significant amount of sudden deaths, and rarely both disease processes may be present in the same decedent, causing some difficulty in wording the cause of death statement. Although much research has been directed at studying the causes and risk factors for AP and DM, there is a complex interplay between these diseases that is not fully understood. This study presents two autopsy cases of sudden, natural deaths that illustrate this interplay, along with a review of the literature. An algorithm for differentiating AP and DM is then discussed in the context of the presented cases as a proposed aid for forensic pathologists in the certification of such deaths. PMID- 27864961 TI - Sexual Dimorphism of Maxillary Sinus Dimensions Using Cone-Beam Computed Tomography. AB - Sex determination of unknown persons plays an important role in forensic medicine. Cone-beam computed tomography (CBCT) is an excellent imaging modality for accurate measurement of maxillary sinus dimensions. This study aimed to evaluate whether maxillary sinus measurements on CBCT scans can be applied for sex determination. The width, length, and height of maxillary sinuses in CBCT images of 100 patients (50 males and 50 females) were measured. Student's t-test and discriminant function analysis were used to compare differences in the measured parameters between males and females. The correct predictive accuracy rate of sex determination was 78% in females and 74% in males with overall accuracy of 76%. Based on discriminant analysis, the most pronounced variable in differentiation of sex groups was maxillary sinus height. This study suggests that maxillary sinus measurements can be valuable for sex determination in forensic investigation, especially for cases in which other traditional methods are not applicable. PMID- 27864962 TI - The Aquilegia JAGGED homolog promotes proliferation of adaxial cell types in both leaves and stems. AB - In order to explore the functional conservation of JAGGED, a key gene involved in the sculpting of lateral organs in several model species, we identified its ortholog AqJAG in the lower eudicot species Aquilegia coerulea. We analyzed the expression patterns of AqJAG in various tissues and developmental stages, and used RNAi-based methods to generate knockdown phenotypes of AqJAG. AqJAG was strongly expressed in shoot apices, floral meristems, lateral root primordia and all lateral organ primordia. Silencing of AqJAG revealed a wide range of defects in the developing stems, leaves and flowers; strongest phenotypes include severe reduction of leaflet laminae due to a decrease in cell size and number, change of adaxial cell identity, outgrowth of laminar-like tissue on the inflorescence stem, and early arrest of floral meristems and floral organ primordia. Our results indicate that AqJAG plays a critical role in controlling primordia initiation and distal growth of floral organs, and laminar development of leaflets. Most strikingly, we demonstrated that AqJAG disproportionally controls the behavior of cells with adaxial identity in vegetative tissues, providing evidence of how cell proliferation is controlled in an identity-specific manner. PMID- 27864963 TI - Chronic Alcohol Abuse Leads to Low Bone Mass with No General Loss of Bone Structure or Bone Mechanical Strength. AB - : Chronic alcohol abuse (CAA) has deleterious effects on skeletal health. This study examined the impact of CAA on bone with regard to bone density, structure, and strength. Bone specimens from 42 individuals with CAA and 42 individuals without alcohol abuse were obtained at autopsy. Dual-energy X-ray absorptiometry (DEXA), compression testing, ashing, and bone histomorphometry were performed. Individuals with CAA had significantly lower bone mineral density (BMD) in the femoral neck and significantly lower bone volume demonstrated by thinner trabeculae, decreased extent of osteoid surfaces, and lower mean wall thickness of trabecular osteons compared to individuals without alcohol abuse. No significant difference was found for bone strength and structure. CONCLUSION: CAA leads to low bone mass due to a decrease in bone formation but with no destruction of bone architecture nor a decrease in bone strength. It is questionable whether this per se increases fracture risk. PMID- 27864964 TI - No evidence that boron influences tree species distributions in lowland tropical forests of Panama. AB - It was recently proposed that boron might be the most important nutrient structuring tree species distributions in tropical forests. Here we combine observational and experimental studies to test this hypothesis for lowland tropical forests of Panama. Plant-available boron is uniformly low in tropical forest soils of Panama and is not significantly associated with any of the > 500 species in a regional network of forest dynamics plots. Experimental manipulation of boron supply to seedlings of three tropical tree species revealed no evidence of boron deficiency or toxicity at concentrations likely to occur in tropical forest soils. Foliar boron did not correlate with soil boron along a local scale gradient of boron availability. Fifteen years of boron addition to a tropical forest increased plant-available boron by 70% but did not significantly change tree productivity or boron concentrations in live leaves, wood or leaf litter. The annual input of boron in rainfall accounts for a considerable proportion of the boron in annual litterfall and is similar to the pool of plant-available boron in the soil, and is therefore sufficient to preclude boron deficiency. We conclude that boron does not influence tree species distributions in Panama and presumably elsewhere in the lowland tropics. PMID- 27864965 TI - Attempted Drug-facilitated Sexual Assault-Xylazine Intoxication in a Child. AB - There are only a few cases of drug-facilitated sexual assaults on children reported in the literature so far. Here, a case of a four-year-old boy is presented. He was unconscious, and the accompanying adults reported that the child had been at a playground on his own. Returning home, he complained of having been stung and collapsed immediately. Urine and serum samples of the child were investigated. In the toxicological analysis, xylazine, a sedative and muscle relaxant used in animals, was detected. Subsequent quantification by GC/MS after solid-phase extraction revealed 0.053 mg/L xylazine in serum and approximately 0.63 mg/L in urine. Furthermore, the child was examined by a forensic medical specialist. Police investigations revealed that the godfather, who had been previously accused of sexual abuse of children, had injected the child with the drug, possibly in preparation for a shared bath. PMID- 27864966 TI - Interactive effects of water limitation and elevated temperature on the physiology, development and fitness of diverse accessions of Brachypodium distachyon. AB - An enduring question in plant physiology and evolution is how single genotypes of plants optimize performance in diverse, often highly variable, environments. We grew 35 natural accessions of the grass Brachypodium distachyon in four environments in the glasshouse, contrasting soil water deficit, elevated temperature and their interaction. We modeled treatment, genotype and interactive effects on leaf-level and whole-plant traits, including fecundity. We also assessed the relationship between glasshouse-measured traits and parameters related to climate at the place of origin. We found abundant genetic variation in both constitutive and induced traits related to plant-water relations. Most traits showed strong interaction between temperature and water availability, and we observed genotype-by-environment interaction for several traits. Notably, leaf free proline abundance showed a strong effect of genotype * temperature * water. We found strong associations between phenology, biomass and water use efficiency (WUE) with parameters describing climate of origin. Plants respond to multiple stressors in ways not directly predictable from single stressors, underscoring the complex and trait-specific mechanisms of environmental response. Climate trait correlations support a role for WUE and phenology in local adaptation to climate in B. distachyon. PMID- 27864967 TI - Chemokine receptors in allergic diseases. AB - Under homeostatic conditions, as well as in various diseases, leukocyte migration is a crucial issue for the immune system that is mainly organized through the activation of bone marrow-derived cells in various tissues. Immune cell trafficking is orchestrated by a family of small proteins called chemokines. Leukocytes express cell-surface receptors that bind to chemokines and trigger transendothelial migration. Most allergic diseases, such as asthma, rhinitis, food allergies, and atopic dermatitis, are generally classified by the tissue rather than the type of inflammation, making the chemokine/chemokine receptor system a key point of the immune response. Moreover, because small antagonists can easily block such receptors, various molecules have been developed to suppress the recruitment of immune cells during allergic reactions, representing potential new drugs for allergies. We review the chemokines and chemokine receptors that are important in asthma, food allergies, and atopic dermatitis and their respectively developed antagonists. PMID- 27864968 TI - Taphonomic Effects of Mechanical Plowing on Buried Juvenile-Sized Remains. AB - Agricultural activity is a worldwide taphonomic process and can present unique challenges in the recovery of buried remains. Previous research has been mostly within the realm of site formation processes of archeological sites utilizing only surface material. This research expands upon the previous research by incorporating the distribution of subsurface material by the use of archeological excavation techniques. An experiment was conducted utilizing juvenile pig (Sus scrofa) skeletons buried in relative anatomical position at two different depths (15 cm below the surface [cmbs] and 22 cmbs). The burials were then subjected to different intervals of mechanical plowing: one, three, five, seven, or 10 plow passes. The skeletal material was recovered using pedestrian survey followed by hand excavation and screening of all sediments. This research shows that there is a significant relationship between the degree of plowing and the distance skeletal material is distributed and the percentage of material recovered undamaged. PMID- 27864969 TI - Transformation of the cucurbit powdery mildew pathogen Podosphaera xanthii by Agrobacterium tumefaciens. AB - The obligate biotrophic fungal pathogen Podosphaera xanthii is the main causal agent of powdery mildew in cucurbit crops all over the world. A major limitation of molecular studies of powdery mildew fungi (Erysiphales) is their genetic intractability. In this work, we describe a robust method based on the promiscuous transformation ability of Agrobacterium tumefaciens for reliable transformation of P. xanthii. The A. tumefaciens-mediated transformation (ATMT) system yielded transformants of P. xanthii with diverse transferred DNA (T-DNA) constructs. Analysis of the resultant transformants showed the random integration of T-DNA into the P. xanthii genome. The integrations were maintained in successive generations in the presence of selection pressure. Transformation was found to be transient, because in the absence of selection agent, the introduced genetic markers were lost due to excision of T-DNA from the genome. The ATMT system represents a potent tool for genetic manipulation of P. xanthii and will likely be useful for studying other biotrophic fungi. We hope that this method will contribute to the development of detailed molecular studies of the intimate interaction established between powdery mildew fungi and their host plants. PMID- 27864970 TI - Color Stability of Dental Restorative Materials Submitted to Heat Sources, for Forensic Purposes. AB - During postmortem examination of the dental arches of carbonized victims, dental restorative materials may be found. The aim of this study was to evaluate the effect of heat source action on the color stability of composite resin (CR) and glass ionomer cement (GIC) restorations, to discriminate between them and compare with antemortem dental data. Sixty bovine teeth (30 CR and 30 GIC) were prepared (6 * 6 * 2 mm) and separated into groups (n = 10). The color readouts were taken by spectrophotometer, before and after heat action (100 degrees C, 200 degrees C, 300 degrees C), in an oven for 15 min. There were color alterations for all coordinates (DeltaE, DeltaL*, Deltaa* eDeltab*) for both materials. GIC presented greater change. The authors concluded that it is possible to distinguish between the materials by the color changes analyzed by instrumental method, helping victim identification. PMID- 27864971 TI - Proximal End Root Morphology Characteristics in Antemortem Anagen Head Hairs. AB - The proximal end morphology of antemortem anagen head hair was compared with the characteristics documented to occur in postmortem hairs. Antemortem anagen and telogen head hairs (N = 967) were recovered following exposure to seven environments. Root morphology characteristics consistent with those reported in postmortem hairs were observed in 66 (14%) hairs exposed to a water, normal saline, outdoor soil, or indoor shower environment. Thirty-three anagen hairs (7%) exhibited a root band at the proximal end. The mean distance from the root tip to the onset of the root band ranged from 0.23 to 0.7 mm, depending on the environment. The mean distance from the root tip to the onset of the root band was 0.46 mm, with a mean band length of 0.44 mm. The results illustrate the need to better characterize postmortem banding through quantitative measurements, including the range for root tip to band distance and the overall band length. PMID- 27864972 TI - A Morphological and Morphometric Study of Bite Marks Caused by Mice (Mus Musculus) on Different Baits for Forensic Purposes. AB - In animal bites, the dental attributes can be fundamental in identifying the marks made by various species on different matrices. Although rodent bite marks have been studied in the context of postmortem interference, little research has used different baits to analyze these marks linking not only specific behavior patterns but also the possibility of structural damage. Twenty mice (Mus musculus) were exposed to different baits to study their bite marks in a controlled model. The known pattern of parallel and multiple grooves has been seen in all baits, but polyvinyl chloride and fiber-optic cable were significantly different between each other and the other baits. Some baits showed patterns of anchorage of the upper incisors and space between the lower incisors when gnawing. This technical note represents a novel model of analysis where veterinarians and/or dentists may be asked to give an opinion on alleged animal bite marks. PMID- 27864974 TI - NLRP3 inflammasome may regulate inflammatory response of human periodontal ligament fibroblasts in an apoptosis-associated speck-like protein containing a CARD (ASC)-dependent manner. AB - AIM: To explore the role of NLRP3 (NACHT [nucleotide-binding oligomerization], LRR [leucine-rich repeat] and PYD [pyrin domain] domains-containing protein 3) inflammasome in the inflammatory response of human periodontal ligament fibroblasts (HPDLFs). METHODOLOGY: The expression of NLRP3 and apoptosis associated speck-like protein containing a CARD (ASC) in inflammatory periapical tissues and HPDLFs was examined by immunohistochemical and immunofluorescent staining. HPDLFs were stimulated with muramyl dipeptide (MDP) and lipopolysaccharide (LPS) from E. coli with or without the silencing of ASC. The expression of NLRP3, ASC and caspase-1 was examined using quantitative real-time polymerase chain reaction. The secretion of proinflammatory cytokines, including interleukin-1beta (IL-1beta), interleukin-6 (IL-6) and tumour necrosis factor alpha (TNF-alpha) was measured in the cell supernatant with an enzyme-linked immunosorbent assay. Data were statistically analysed using independent sample t tests. RESULTS: Immunohistochemistry and immunocytochemistry staining revealed that NLRP3 and ASC were expressed in HPDLFs and inflammatory periapical tissues. MDP and LPS promoted the expression of NLRP3, ASC and caspase-1 in HPDLFs (P < 0.05). The secretion of proinflammatory cytokines was also increased with MDP and LPS stimulation (P < 0.05). After silencing ASC, the secretion of IL-1beta induced by MDP and LPS was significantly attenuated (P < 0.05). CONCLUSION: In HPDLFs, MDP and LPS activated NLRP3 inflammasome and induced IL-1beta secretion. ASC plays an important role in this inflammatory response. PMID- 27864973 TI - The evolution of symbiont preference traits in the model legume Medicago truncatula. AB - Many hosts preferentially associate with or reward better symbionts, but how these symbiont preference traits evolve is an open question. Legumes often form more nodules with or provide more resources to rhizobia that fix more nitrogen (N), but they also acquire N from soil via root foraging. It is unclear whether root responses to abiotically and symbiotically derived N evolve independently. Here, we measured root foraging and both preferential allocation of root resources to and preferential association with an effective vs an ineffective N fixing Ensifer meliloti strain in 35 inbred lines of the model legume Medicago truncatula. We found that M. truncatula is an efficient root forager and forms more nodules with the effective rhizobium; root biomass increases with the number of effective, but not ineffective, nodules, indicating preferential allocation to roots harbouring effective rhizobia; root foraging is not genetically correlated with either preferential allocation or association; and selection favours plant genotypes that form more effective nodules. Root foraging and symbiont preference traits appear to be genetically uncoupled in M. truncatula. Rather than evolving to exclude ineffective partners, our results suggest that preference traits probably evolve to take better advantage of effective symbionts. PMID- 27864975 TI - On the importance of composite protein multiple ligand interactions in protein pockets. AB - Conventional small molecule drug-discovery approaches target protein pockets. However, the limited number of geometrically distinct pockets leads to widespread promiscuity and deleterious side-effects. Here, the idea of COmposite protein LIGands (COLIG) that interact with each other as well as the protein within a single ligand binding pocket is examined. As a practical illustration, experimental evidence that E. coli Dihydrofolate reductase inhibitors are COLIGs is presented. Then, analysis of a non-redundant set of all holo PDB structures indicates that almost 47-76% of proteins (based on different sequence identity thresholds) can simultaneously bind multiple, interacting ligands in the same pocket. Moreover, most ligands that are either Singletons and COLIGs bind at the bottom of ligand binding pocket and occupy 30% and 43% of the volume of the bottom of the pocket. This suggests the use of COLIGs as a potential new class of small molecule drugs. (c) 2016 Wiley Periodicals, Inc. PMID- 27864976 TI - An effective diagnostic strategy for accurate detection of RhD variants including Asian DEL type in apparently RhD-negative blood donors in Korea. AB - BACKGROUND AND OBJECTIVES: The purpose of this study was to provide an effective RHD genotyping strategy for the East Asian blood donors. MATERIAL AND METHODS: RhD phenotyping, weak D testing and RhCE phenotyping were performed on 110 samples from members of the RhD-negative club, private organization composed of RhD-negative blood donors, in the GwangJu-Chonnam region of Korea. The RHD promoter, intron 4, and exons 7 and 10 were analysed by real-time PCR. Two nucleotide changes (c.1227 G>A, and c.1222 T>C) in exon 9 were analysed by sequencing. RESULTS: Of 110 RhD-negative club members, 79 (71.8%) showed complete deletion of the RHD gene, 10 (9.1%) showed results consistent with RHD-CE-D hybrid, and 21 (19.1%) showed amplification of RHD promoter, intron 4, and exons 7 and 10. Of the latter group, 16 (14.5%) were in the DEL blood group including c.1227 G>A (N = 14) and c.1222 T>C (N = 2), 2 (1.8%) were weak D, 1(0.9%) was partial D, and 2 (1.8%) were undetermined. The RhD-negative phenotype samples consisted of 58 C-E-c+e+, 19 C-E+c+e+, 3 C-E+c+e-, 21 C+E-c+e-, 6 C+E-c+e+ and 3 C+E-c-e + . Notably, all 58 samples with the C-E-c+e+ phenotype were revealed to have complete deletion of the RHD gene. The C-E-c+e+ phenotype showed 100% positive predictive value for detecting D-negative cases. CONCLUSIONS: RHD genotyping is not required in half of D-negative cases. We suggest here an effective RHD genotyping strategy for accurate detection of RhD variants in apparently RhD-negative blood donors in East Asia. PMID- 27864978 TI - Reduction of biological response modifiers in the supernatant of washed paediatric red blood cells. AB - BACKGROUND: Washing of red blood cells (RBC) can reduce unwanted biological response modifiers (BRMs) that can mediate transfusion complications in infants. The aim of this study was to examine the in vitro quality and the changes in BRMs following washing in paediatric RBC units. MATERIALS AND METHODS: A pool and split design was used to prepare RBC (either 1 or 4 days old; n = 26 pairs). One unit was washed with 0.9% saline by centrifugation and then resuspended in SAG-M, while the other remained unwashed. Each RBC unit was divided to produce four units of paediatric-sized components. Samples were taken after 3 h and subsequently on days 1, 2, 7 and 14 post-wash. RESULTS: Washing of RBC resulted in some red cell loss, with a minor increase in haemolysis. Washing effectively reduced supernatant potassium and IgA, as well as cytokines and complement proteins. RBC microparticles were significantly reduced in RBC washed at 1, but not 4 days post-collection. Incubation with supernatant from unwashed but not washed RBC led to endothelial cell activation, with increased cell surface expression of CD62E (E-selectin) and CD106 (VCAM). CONCLUSION: Although washing affected some aspects of the in vitro quality of RBC, it effectively reduced the concentration and activity of BRMs in the supernatant of RBC. Such a reduction may be clinically beneficial in selected patient groups. PMID- 27864980 TI - Erratum. PMID- 27864979 TI - Modelling gas exchange during platelet storage without agitation. AB - The aim of this study was to create a model of oxygen distribution within platelet storage bags to evaluate implications of reduced agitation approaches. Based on our model, platelet concentration and surface area most affect internal partial pressure of oxygen, while temperature modifications have least effect, indicating primary potential approaches for optimization of platelet storage with reduced or absent agitation. PMID- 27864981 TI - Interventions for nurses' well-being at work: a quantitative systematic review. AB - AIM: To gather, assess and synthesize current research knowledge on the interventions aiming to improve nurses' well-being at work. BACKGROUND: Previous reviews describe health care professionals' well-being at work from the perspective of burnout. Research on the interventions for and their effectiveness on nurses' well-being at work is sporadic. DESIGN: A quantitative systematic review based on the procedure of the Centre for Reviews and Dissemination. METHODS: CINAHL, Cochrane, EBSCO, PubMed, PsycInfo, Scopus databases were sought from 2009-March 2015. The final data consisted of eight studies described in 10 articles. The study design was RCT in three studies, CBA in three and ITS in two studies. The studies were assessed with the Cochrane risk of bias tool. Data were summarised narratively and displayed in a harvest plot. RESULTS: Two of the six interventions were person-directed, two combined person- and organisation directed and two organisation-directed interventions. Half of them were mainly targeted at stress management while the others aimed at improving interaction with colleagues, work methods and conditions or at supervision of professional skills. CONCLUSIONS: There was a lot variation in the conceptual bases and the use of evaluation measurements in the studies and the interventions were carried out in a heterogeneous way. Moderate evidence was found to support the use of interventions among nurses employed at in-patient and out-patient units in four out of the six interventions. The review pointed out a need for research on standardised interventions on nurses' well-being at work and their effectiveness with long-term follow-ups. PMID- 27864982 TI - Unusual findings in common peripheral ossifying fibromas: transepithelial elimination and epithelial inclusion. PMID- 27864983 TI - Diagnosis of unilateral trapezius muscle palsy: 54 Cases. AB - INTRODUCTION: We assessed medical and surgical causes of unilateral trapezius muscle (TM) palsy and/or wasting. METHODS: Clinical and electrodiagnostic data were collected in 54 patients with TM impairment over 21 years. RESULTS: In total, 35 cases had a medical origin: neuralgic amyotrophy (NA, n = 22), idiopathic unilateral TM palsy (n = 5), regional neck radiotherapy for different conditions (n = 2), facioscapulohumeral dystrophy (FSH) (n = 4), abnormal loop of the jugular vein (n = 1), or basilar impression (n = 1). Other etiologies were neck surgery (n = 16), cervicofacial lift (n = 2), or trauma (n = 1). CONCLUSIONS: There were 5 main diagnostic findings in unilateral TM palsy: (1) dynamic examination of the scapula provides a new clinical sign; (2) NA is the most frequent medical cause; (3) in medical cases, partial preservation of the upper TM can offer good recovery; (4) FSH must be considered, especially in young patients; and (5) minor neck surgery can lead to severe TM palsy. Muscle Nerve 56: 215-223, 2017. PMID- 27864984 TI - Simultaneous biodegradation of three mononitrophenol isomers by a tailor-made microbial consortium immobilized in sequential batch reactors. AB - : The ortho-nitrophenol (ONP)-utilizing Alcaligenes sp. strain NyZ215, meta nitrophenol (MNP)-utilizing Cupriavidus necator JMP134 and para-nitrophenol (PNP) utilizing Pseudomonas sp. strain WBC-3 were assembled as a consortium to degrade three nitrophenol isomers in sequential batch reactors. Pilot test was conducted in flasks to demonstrate that a mixture of three mononitrophenols at 0.5 mol l-1 each could be mineralized by this microbial consortium within 84 h. Interestingly, neither ONP nor MNP was degraded until PNP was almost consumed by strain WBC-3. By immobilizing this consortium into polyurethane cubes, all three mononitrophenols were continuously degraded in lab-scale sequential reactors for six batch cycles over 18 days. Total concentrations of ONP, MMP and PNP that were degraded were 2.8, 1.5 and 2.3 mol l-1 during this time course respectively. Quantitative real-time PCR analysis showed that each member in the microbial consortium was relatively stable during the entire degradation process. This study provides a novel approach to treat polluted water, particularly with a mixture of co-existing isomers. SIGNIFICANCE AND IMPACT OF THE STUDY: Nitroaromatic compounds are readily spread in the environment and pose great potential toxicity concerns. Here, we report the simultaneous degradation of three isomers of mononitrophenol in a single system by employing a consortium of three bacteria, both in flasks and lab-scale sequential batch reactors. The results demonstrate that simultaneous biodegradation of three mononitrophenol isomers can be achieved by a tailor-made microbial consortium immobilized in sequential batch reactors, providing a pilot study for a novel approach for the bioremediation of mixed pollutants, especially isomers present in wastewater. PMID- 27864985 TI - Telomeric repeat-containing RNA (TERRA) related to polycystic ovary syndrome (PCOS). AB - CONTEXT: Telomeric repeat-containing RNA (TERRA) participates in the regulation of telomere length, and leucocyte telomere length (LTL) plays an important role in the pathophysiology of polycystic ovary syndrome (PCOS), but little is known about the role of TERRA in PCOS. OBJECTIVE: To evaluate the role of TERRA and peripheral blood LTL in PCOS. DESIGN AND PARTICIPANTS: Forty women with PCOS and 35 healthy women without PCOS were recruited. A prospective case-control study was performed. MEASUREMENTS: RNA fluorescence in situ hybridization (FISH) was used to detect TERRA expression in peripheral blood leucocyte. Quantitative PCR was used to measure TERRA expression and the mean LTL in the PCOS and control groups. We analysed the association between related clinical parameters and the age-adjusted ratio of the telomere repeat length (T/S ratio) or TERRA. RESULTS: Telomeric repeat-containing RNA was expressed in human peripheral blood leucocytes, and the signal was abolished after culture with RNase A. The age adjusted LTLs were significantly longer in the PCOS group than in the control group (P < 0.01). The age-adjusted TERRA level was significantly lower in the PCOS group than in the control group (P < 0.01). Testosterone (TTE) was related positively to LTL and negatively to TERRA in the PCOS group (r = 0.532, P = 0.002; r = -0.477, P = 0.017). CONCLUSION: We found TERRA expression in human peripheral blood leucocytes, and LTLs were positively associated with PCOS. TERRA and testosterone play an important role in the LTL regulation in PCOS. PMID- 27864986 TI - Urinary iodine excretion (UIE) estimated by iodine/creatinine ratio from spot urine in Chinese school-age children. AB - OBJECTIVE: To assess the validity of urinary iodine excretion (UIE) estimated by urinary iodine/creatinine ratio (UI/Cr) from spot urines in Chinese school-age children. DESIGN: A cross-sectional survey was performed in which twice-repeated collections of 24-h urine, and spot urine samples were obtained within 1 month. MEASUREMENTS: Urinary iodine concentration (UIC), urinary creatinine concentration (UCr), urine volume (Uvol) of spot and 24-h urine samples were measured. Measured 24-h UIE was calculated from 24-h UIC multiplied by 24-h Uvol, while the estimated 24-h UIE was calculated from spot UI/Cr multiplied by 24-h urinary creatinine excretion (24-h UCrE). RESULTS: No significant difference was observed in 24-h Uvol between two repeated collections (P = 0.70), while spot UIC, 24-h UIC, spot UI/Cr and measured 24-h UIE were significantly different (P < 0.05). The estimated 24-h UIE was 247 (136-431) MUg/day in the first collection, lower than the measured 24-h UIE of 329 (183-536) MUg/day (P < 0.001), while no significant difference was observed (P = 0.30) in the second sampling as the estimated 24-h UIE was 355 (168-624) MUg/day and the measured 24-h UIE 350 (181 615) MUg/day. The spot UIC (r = 0.57, P < 0.001), spot UI/Cr (r = 0.63, P < 0.001) and the estimated 24-h UIE (r = 0.83, P < 0.001) were strongly correlated with the measured 24-h UIE in the first collection. Likewise, in the second sampling, spot UIC (r = 0.60, P < 0.001), spot UI/Cr (r = 0.72, P < 0.001) and the estimated 24-h UIE (r = 0.89, P < 0.001) were also correlated with measured 24-h UIE. The Bland-Altman results indicated 95% of subjects were expected to locate within the limits of agreement (LOA), but showed an underestimation of the urinary iodine excretion by the estimated 24-h UIE. In addition, moderate-to-good agreement was found for the estimated and measured 24-h UIE, with kappa values of 0.55 and 0.66. CONCLUSIONS: Estimated 24-h UIE by UI/Cr ratio from spot urine could represent a valid and reliable alternative for measured 24-h UIE in estimating iodine excretion in children. PMID- 27864987 TI - 'Mental health day' sickness absence amongst nurses and midwives: workplace, workforce, psychosocial and health characteristics. AB - AIM: To examine the workforce, workplace, psychosocial and health characteristics of nurses and midwives in relation to their reported use of sickness absence described as 'mental health days'. BACKGROUND: The occupational stress associated with the nursing profession is increasingly recognized and nurse/midwifery absenteeism is a significant global problem. Taking a 'mental health day' as sickness absence is a common phenomenon in Australian health care. No previous studies have empirically explored the characteristics of nurses and midwives using such sickness absence. DESIGN: Online cross-sectional survey. METHODS: Survey comprising validated tools and questions on workplace and health characteristics was distributed to nurses and midwives in New South Wales, Australia, between May 2014 - February 2015. Sample characteristics were reported using descriptive statistics. Factors independently predictive of 'mental health day' reportage were determined using logistic regression. RESULTS: Fifty-four percentage of the n = 5041 nurse and midwife respondents took 'mental health days'. Those affected were significantly more likely to be at younger ages, working shifts with less time sitting at work; to report workplace abuse and plans to leave; having been admitted to hospital in previous 12 months; to be current smokers; to report mental health problems, accomplishing less due to emotional problems and current psychotropic medication use. CONCLUSION: Specific characteristics of nurses and midwives who report taking 'mental health day' sickness absence offer healthcare administrators and managers opportunities for early identification and intervention with workplace measures and support frameworks to promote well-being, health promotion and safety. PMID- 27864988 TI - Time to question diabetes self-management support for Arabic-speaking migrants: exploring a new model of care. AB - AIM: The objective of this study was to explore a new model for diabetes self management support in Arabic-speaking migrants. METHODS: Two qualitative methods were used: face-to-face semi-structured individual interviews and focus groups. Interviews were audio-taped, transcribed verbatim and coded thematically. Arabic speaking migrants with Type 2 diabetes were recruited from several primary, secondary and tertiary healthcare settings in metropolitan Melbourne, Australia. These settings were purposefully selected to obtain a diverse group of participants. Data collection continued until saturation was reached. This is the first study that involved members of Arabic-speaking communities in Australia in a formal process of consumer and public involvement to inform research design and recruitment in order to provide evidence for a new model of diabetes self management for Arabic-speaking migrants. RESULTS: No self-management support was offered to Arabic-speaking migrants beyond the initial diagnosis period. Significant knowledge gaps and skills deficits in all self-management domains were evident. The provision of tailored self-management support was considered crucial. When asked about preferred structure and delivery modalities, a strong preference was reported for face-to-face storytelling interactions over telephone or internet-based interventions. Gender-specific group education and self management support sessions delivered by Arabic-speaking diabetes health professionals, lay peers or social workers trained in diabetes self-management were highly regarded. CONCLUSIONS: A patient and public involvement approach allows genuine engagement with Arabic-speaking migrants with diabetes. There is urgent need for a new model for self-management support among Arabic-speaking migrants. Findings yielded new recommendations for diabetes health professionals working with these migrant communities to support behaviour change. PMID- 27864989 TI - The mitosis-specific marker phosphohistone-H3 (PHH3) is an independent prognosticator in uterine smooth muscle tumours: an outcome-based study. AB - AIMS: Accurate mitosis counting, which is important in the diagnosis of uterine smooth muscle tumours (USMTs), is often difficult and subjective. The mitosis specific immunohistochemical marker phosphohistone-H3 (PHH3) has been shown to be diagnostically useful, but its expression, in relation to outcome, has not been thoroughly investigated. The aim of this study is to evaluate PHH3 as a diagnostic and prognostic marker in USMTs. METHODS AND RESULTS: PHH3 expression was evaluated in 55 leiomyosarcomas (LMSs), 26 smooth muscle tumours of uncertain malignant potential (STUMPs), 18 leiomyomas with bizarre nuclei (LBN), and 12 leiomyomas (LMs). Scores were expressed as counts per 10 high-power fields (HPFs). Median follow-up durations of patients with LMS, STUMP, LBN and LM were, respectively, 39, 78, 65.5 and 49.5 months. Twenty-eight patients with LMSs (50.9%) died, and two (7.7%) patients with STUMPs experienced recurrence. The median PHH3 scores for LMSs were significantly higher than those for other categories of tumour. A score of >=29/10 HPFs was also independently associated with a poor outcome. To test whether the PHH3 score could distinguish between benign USMTs with atypical histology and those that were clinically malignant, two biological groups were further delineated. Patients in group 1 (18 LBNs and 24 STUMPs) all had an uneventful outcome, whereas patients in group 2 (two recurrent STUMPs and 32 LMSs) all had a recurrence or tumour-related death. Median PHH3 scores for the two groups were, respectively, 2/10 HPFs and 27/10 HPFs. A PHH3 score of >=7/10 HPFs was highly associated with malignancy. CONCLUSION: PHH3 is useful in evaluation of the biological behaviour of USMTs, and may serve as a prognostic indicator for LMSs. PMID- 27864991 TI - The effects of life review on psycho-spiritual well-being among patients with life-threatening illness: a systematic review and meta-analysis. AB - AIM: The aim of this study was to examine the strength of evidence regarding the effects of life review on psycho-spiritual well-being among patients with life threatening illness. BACKGROUND: Life-threatening illness not only causes physical symptoms but also psycho-spiritual burdens. Life review has been widely implemented to assist people coping with these burdens. However, the effectiveness of life review is not clear. To date, no systematic review or meta analysis has been published on this topic. DESIGN AND REVIEW METHODS: A systematic review with meta- analysis consistent with the recommendations of the Cochrane Collaboration was conducted. DATA SOURCES: Database searches included MEDLINE, Cochrane Central Register of Controlled Trials, EMBASE, CINAHL, PsycINFO, CNKI and VIP et al. up to April 2015. We also searched the grey literature, reviewed reference lists from relevant articles and book chapters and contacted experts. RESULTS: Nine randomized controlled trials (RCTs) and two controlled clinical trials (CCTs) were eligible for this systematic review and meta-analysis. The risk of bias for those studies were rated as moderate (n = 11). The meta-analyses demonstrated significant standardized mean differences or mean differences in favour of life review compared with the control for depression, quality of life and self-esteem. CONCLUSION: The findings indicate that life review can decrease depressive symptoms, improve quality of life and enhance self-esteem among patients with life-threatening illnesses. Multi-centre studies with adequate sample size and rigorous designs are needed in future research. PMID- 27864990 TI - The Clinical Relevance of Antifibrillarin (anti-U3-RNP) Autoantibodies in Systemic Sclerosis. AB - Systemic sclerosis (SSc) is a heterogeneous autoimmune disease associated with several antinuclear autoantibodies useful to diagnosis and prognosis. The aim of the present multicentric study was to determine the clinical relevance of antifibrillarin autoantibodies (AFA) in patients with SSc. The clinical features of 37 patients with SSc positive for AFA (AFA+) and 139 SSc patients without AFA (AFA-) were collected retrospectively from medical records to enable a comparison between AFA- and AFA+ patients. Antifibrillarin autoantibodies were screened by an indirect immunofluorescence technique using HEp2 cells and identified by an in house Western blot technique and/or an EliA test. Comparing AFA+ and AFA- patients, AFA+ patients were significantly younger at disease onset (36.9 versus 42.9; P = 0.02), more frequently male (P = 0.02) and of Afro-Caribbean descent (65% versus 7.7%; P < 0.001). At diagnosis, the Rodnan skin score evaluating the cutaneous manifestations was higher (13.3 versus 8.7; P = 0.01) and myositis was also more common in the AFA+ group (31.4% versus 12.2%; P < 0.01). Patients with AFA+ were not associated with diffuse cutaneous SSc or with lung involvement and no difference in survival was observed. Antifibrillarin autoantibodies are associated with patients of Afro-Caribbean origin and can identify patients with SSc who are younger at disease onset and display a higher prevalence of myositis. PMID- 27864992 TI - MRI bullseye sign: An indicator of peripheral nerve constriction in parsonage turner syndrome. AB - INTRODUCTION: The role of MRI in identifying hourglass constrictions (HGCs) of nerves in Parsonage-Turner syndrome (PTS) is largely unknown. METHODS: Six patients with PTS and absent or minimal recovery underwent MRI. Surgical exploration was performed at identified pathologic sites. RESULTS: The time between symptom onset and surgery was 12.4 +/- 6.9 months; the time between MRI and surgery was 1.3 +/- 0.6 months. Involved nerves included suprascapular, axillary, radial, and median nerve anterior interosseous and pronator teres fascicles. Twenty-three constriction sites in 10 nerves were identified on MRI. A "bullseye sign" of the nerve, identified immediately proximal to 21 of 23 sites, manifested as peripheral signal hyperintensity and central hypointensity orthogonal to the long axis of the nerve. All constrictions were confirmed operatively. CONCLUSIONS: In PTS, a bullseye sign on MRI can accurately localize HGCs, a previously unreported finding. Causes of HGCs and the bullseye sign are unknown. Muscle Nerve 56: 99-106, 2017. PMID- 27864993 TI - Thyrotropin Alters T Cell Development in the Thymus in Subclinical Hypothyroidism Mouse Model. AB - Subclinical hypothyroidism (SCH) is highly prevalent in the general population and is associated with potential deleterious effects. Although developing T cells express thyroid-stimulating hormone receptor (TSH-R), the changes of T cell development in thymus in SCH have not been fully clarified. SCH mouse model, which is characterized by elevated serum TSH but similar thyroid hormone levels, was used to study the role of TSH in T cell development. Thymus weight of SCH mice increased 18% compared with controls. Importantly, the frequencies of CD4+ and CD8+ single-positive (SP) thymocytes increased 38% and 44%, respectively. We demonstrated that TSH protected thymocytes from apoptosis as evidenced by a significant decrease of Annexin V-positive thymocytes in SCH mice. Further analysis showed that extracellular-regulated kinases (ERK) 1/2 in thymus were activated in SCH mice. With analysis of T cell receptor excision circles (TREC), we found that TSH increased recent thymic emigrants (RTE) in spleen tissue in SCH mice. Thus, these results suggest that TSH promoted T cell development and enhanced the thymic recent output in SCH mice, possibly by suppression of apoptosis of thymocytes, indicating that modification of the ERK signalling pathways. PMID- 27864994 TI - Serum sPD-L1, Upregulated in Sepsis, May Reflect Disease Severity and Clinical Outcomes in Septic Patients. AB - We aimed to find the correlation between serum sPD-L1 (soluble programmed cell death L-1 ligand) and sepsis. Totally 91 consecutive patients with sepsis were performed in a 15-bed medical intensive care unit (ICU) of the second affiliated hospital, Xi'an Jiaotong University in Xi'an, China, between February 2015 and May 2016. Healthy controls (HC) consisted of 29 healthy volunteer. Baseline demographic data were recorded. Blood samples were collected through an indwelling central venous or by peripheral venipuncture. Serum sPD-L1 and sPD-1 levels were determined with enzyme-linked immunosorbent assay kits (Elabscience Biotechnology Co. Ltd, Wuhan, China). SPSS19.0 software (SPSS Inc., Chicago, Illinois, USA) was used for statistical analysis. Kaplan-Meier survival analysis and Cox regression analysis were also performed. Serum sPD-L1 levels and sPD-1 levels were significantly increased in septic patients compared with HC (P = 0.000). Serum sPD-L1 levels were significantly increased in non-survivors compared with survivors (P < 0.05), but there was no statistically difference on serum sPD-1 levels between non-survivors and survivors (P > 0.05). Serum sPD-L1 levels were correlated with absolute lymphocyte (ALC), platelets and SOFA scores. Serum sPD-L1/sPD-1 levels were negatively correlated with ALC and platelets, and SOFA scores. The prognostic accuracy of the sPD-L1 level to predict 28-day mortality was similar to that of the APACHE-II scores and SOFA scores. Cox regression analysis showed that sPD-L1 was an independent prognostic factor. Serum sPD-L1 is upregulated in sepsis and may reflect disease severity and clinical outcomes in patients. Serum sPD-L1 may be an independent prognostic factor for sepsis. PMID- 27864995 TI - A systematic review: effectiveness of pediatric peripheral intravenous catheterization strategies. AB - AIM: The aim of this study was to identify interventions associated with peripheral intravenous catheterization first attempt success in pediatric inpatients and emergency department patients who require vascular access for therapeutic interventions. BACKGROUND: Unsuccessful peripheral intravenous catheterization puts children at risk for increased pain and treatment delays. Effective interventions to increase peripheral intravenous catheterization first attempt success are unclear. DESIGN: Systematic review of randomized controlled trials according to the Cochrane Handbook for the Systematic Review of Interventions. DATA SOURCES: Through November and December 2014, we searched 10 databases including MEDLINE (OVID), EMBASE (OVID) and CINAHL (EBSCO) without date limits. The references of articles were also reviewed. We included full text reports of randomized controlled trials testing intervention first attempt success rates vs. standard of care. REVIEW METHODS: According to inclusion and exclusion criteria set a priori, data were extracted using a standardized tool. We assessed for risk of bias with the Cochrane Collaboration Risk of Bias Tool. Due to unclear reporting narrative synthesis was used to report results. RESULTS: Four cluster randomized control trials and ten randomized control trials involving 4539 participants ranging from 15.6 days to 16 years of age met our inclusion criteria. We excluded the four cluster trials from meta-analysis due to unclear reporting. Interventions did not increase first attempt success rate compared with standard of care. CONCLUSIONS: There was insufficient evidence to support the use of ultrasound, infrared light or transillumination. Interventions to reduce children's pain did not decrease first attempt success. Research examining between-clinician proficiency and persistence differences is absent. PMID- 27864996 TI - Skin microtopography as a measure of photoaging and risk of squamous cell carcinoma of the skin in a US population. AB - BACKGROUND: Skin microtopography as a measure of photoaging is a noninvasive approach to measuring chronic ultraviolet radiation exposure and reflects the degree of dermal elastosis in populations of European descent in the subtropics. Less is known about the utility of this approach in populations at different latitudes, and whether it relates to skin cancer risk. METHODS: A population based case-control study of 342 squamous cell carcinoma (SCC) cases and 331 age- and gender-matched controls were evaluated for histologic evidence of solar damage and severity of photoaging based on microtopography on a six-grade scale. Odds ratios (OR) for SCC associated with degree of photoaging were estimated using logistic regression analysis adjusted for potentially confounding factors. RESULTS: After adjustment for known risk factors, SCC was associated with increasing photoaging grade (OR = 1.7, 95% CI = 0.9-3.0 for severe photoaging; OR = 2.8, 95% CI = 1.6-5.0 for very severe photoaging). Associations remained among those with actinic keratosis (OR = 3.4, 95% CI = 0.9-12.4 for severe photoaging, OR = 5.7, 95% CI = 1.7-19.6 for very severe photoaging). LIMITATIONS: There was limited statistical power, particularly for subgroup analyses. CONCLUSION: Our findings provide further evidence of microtopography as an independent, objective indicator of risk of SCC. PMID- 27864997 TI - Evaluation of the efficacy of photodynamic therapy for the treatment of actinic cheilitis. AB - INTRODUCTION: Actinic cheilitis (AC) is a lip intraepithelial neoplasia, whose cells present alterations similar to those presented by invasive squamous cell carcinomas (SCCs). OBJECTIVE: To conduct clinical and laboratory evaluation by histopathology and immunohistochemistry of the efficacy of actinic cheilitis treatment using photodynamic therapy (PDT) with methyl aminolevulinate (MAL) and noncoherent red light. MATERIALS AND METHODS: Patients with actinic cheilitis detected by histopathological examination were submitted to two sessions of photodynamic therapy with a two-week interval between them. They were examined immediately after the sessions, four, six, and twelve weeks after beginning treatment when a new biopsy was carried out. Clinical histopathological and immunohistochemical parameters were evaluated before and after treatment. RESULTS: Of the 23 patients who underwent biopsy, 16 completed two photodynamic therapy sessions and the material of one patient was insufficient for immunohistochemistry. Complete clinical response was achieved in 62.5% (10 of 16 patients) and 37.5% still remained with clinical evidence of AC. In spite of this, no case of cure by histopathological analysis was found. There was no significant statistical change among the values of Ki-67, survivin, and p53 observed before and after treatment. CONCLUSION: Photodynamic therapy, as carried out in this trial, was not an efficacious therapeutic option for treating patients with actinic cheilitis included in this sample. PMID- 27864998 TI - RNF43 mutation frequently occurs with GNAS mutation and mucin hypersecretion in intraductal papillary neoplasms of the bile duct. AB - AIMS: RNF43 is a tumour suppressor gene that suppresses the Wnt-beta-catenin signalling pathway. We investigated the role of RNF43 in intraductal papillary neoplasm of the bile duct (IPNB). METHODS AND RESULTS: We conducted mutation analysis of RNF43 in 50 IPNBs, and identified six (12%) RNF43 mutations. RNF43 mutation was more frequent in the intestinal subtype of IPNB (17%) than in the gastric/pancreatobiliary subtype (5%). There was a strong association of RNF43 mutation with GNAS (P = 0.007) mutation, and a borderline correlation with KRAS (P = 0.074) mutation. The presence of macroscopic mucin hypersecretion was closely related to RNF43 (P = 0.024) and GNAS (P < 0.001) mutations. A two-step clustering analysis algorithm successfully categorized IPNBs into two subgroups by using the clinicopathological and molecular features of IPNBs. One subgroup of IPNB represented the 'biliary counterpart of intraductal papillary mucinous neoplasm of the pancreas' (biliary-IPMN), and showed unique features reminiscent of IPMN, such as macroscopic and microscopic mucin hypersecretion, an intestinal cell lineage, GNAS mutation, and RNF43 mutation. Biliary-IPMNs were significantly associated with high expression of cytokeratin (CK) 20, mucin 2 (MUC2), and CDX2, as shown by immunostaining (P = 0.032, P = 0.001, and P = 0.026, respectively), and had a borderline association with low expression of CK7 (P = 0.063). With the use of this splitting algorithm, RNF43 mutations were identified in 36% of the biliary-IPMNs. CONCLUSIONS: The identification of RNF43 mutations in a distinct subset of IPNBs revealed a new molecular role in the pathogenesis of IPNB, and provided a potential application for cancer therapeutics by the use of Wnt pathway inhibitors. PMID- 27864999 TI - A Synthetic Toolbox for the In Situ Formation of Functionalized Homo- and Heteropolysaccharide-Based Hydrogel Libraries. AB - A synthetic toolbox for the introduction of aldehydo and hydrazido groups into the polysaccharides hyaluronic acid, alginate, dextran, pullulan, glycogen, and carboxymethyl cellulose and their use for hydrogel formation is reported. Upon mixing differently functionalized polysaccharides derived from the same natural precursor, hydrazone cross-linking takes place, which results in formation of a hydrogel composed of one type of polysaccharide backbone. Likewise, hydrogels based on two different polysaccharide strands can be formed after mixing the corresponding aldehydo- and hydrazido-modified polysaccharides. A second line of these studies paves the way to introduce a biomedically relevant ligand, namely, the adhesion factor cyclic RGD pentapeptide, by using an orthogonal click reaction. This set of modified polysaccharides served to create a library of hydrogels that differ in the combination of polysaccharide strands and the degree of cross-linking. The different hydrogels were evaluated with respect to their rheological properties, their ability to absorb water, and their cytotoxicity towards human fibroblast cell cultures. None of the hydrogels studied were cytotoxic, and, hence, they are in principal biocompatible for applications in tissue engineering. PMID- 27865000 TI - Improving the quality of registered nurses' working time use data. AB - AIMS AND OBJECTIVES: To examine the advantages and disadvantages of external observation and self-reporting methods in investigating registered nurses' working time use in order to improve the quality of working time use data. BACKGROUND: External observation and self-reporting methods are the most widely used approaches for studying nurses' working time use in observational work sampling studies, but there is scarce information of the data collection procedures and results in the same research context and in the same study. DESIGN: A cross-sectional quantitative study with a structured data collection instrument developed for this study. The same instrument was used in both data collections. METHODS: Data were collected from six inpatient units at two Finnish tertiary hospitals in autumn 2013 over two consecutive weeks. All registered nurses (n = 95) from two internal medical units, two surgical units and two psychiatric units participated in this study. RESULTS: Statistically significantly divergent information was produced by the two data collection methods in the major nursing categories of value-adding care and non-value-adding work as well as in each of the seven nursing subcategories. CONCLUSIONS: External observation and self-reporting gave an overall picture of how registered nurses are using their working time, and both methods were useful in examining registered nurses' working time use when taking into account the advantages and disadvantages of these methods. The deviations between the results improved the quality of data because both methods address recognised shortcomings of the other. RELEVANCE TO CLINICAL PRACTICE: This research promotes awareness of the divergent study results by investigating registered nurses' working time use with these two different data collection methods. In future, it would be wise to aim for more comparable data by applying external observation and self-reporting techniques simultaneously. PMID- 27865001 TI - Romosozumab Improves Bone Mass and Strength While Maintaining Bone Quality in Ovariectomized Cynomolgus Monkeys. AB - Romosozumab (Romo), a humanized sclerostin antibody, is a bone-forming agent under development for treatment of osteoporosis. To examine the effects of Romo on bone quality, mature cynomolgus monkeys (cynos) were treated 4 months post- ovariectomy (OVX) with vehicle, 3 mg/kg, or 30 mg/kg Romo for 12 months, or with 30 mg/kg Romo for 6 months followed by vehicle for 6 months (30/0). Serum bone formation markers were increased by Romo during the first 6 months, corresponding to increased cancellous, endocortical, and periosteal bone formation in rib and iliac biopsies at months 3 and 6. Dual-energy X-ray absorptiometry (DXA) bone mineral density (BMD) was increased by 14% to 26% at the lumbar spine and proximal femur at month 12, corresponding to significant increases in bone strength at 3 and 30 mg/kg in lumbar vertebral bodies and cancellous cores, and at 30 mg/kg in the femur diaphysis and neck. Bone mass remained positively correlated with strength at these sites, with no changes in calculated material properties at cortical sites. These bone-quality measures were also maintained in the 30/0 group, despite a gradual loss of accrued bone mass. Normal bone mineralization was confirmed by histomorphometry and ash analyses. At the radial diaphysis, a transient, reversible 2% reduction in cortical BMD was observed with Romo at month 6, despite relative improvements in bone mineral content (BMC). High-resolution pQCT confirmed this decline in cortical BMD at the radial diaphysis and metaphysis in a second set of OVX cynos administered 3 mg/kg Romo for 6 months. Radial diaphyseal strength was maintained and metaphyseal strength improved with Romo as estimated by finite element modeling. Decreased radial cortical BMD was a consequence of increased intracortical remodeling, with no increase in cortical porosity. Romo resulted in marked improvements in bone mass, architecture, and bone strength, while maintaining bone quality in OVX cynos, supporting its bone efficacy and safety profile. (c) 2016 American Society for Bone and Mineral Research. PMID- 27865002 TI - Gold(I) NHC Complexes: Antiproliferative Activity, Cellular Uptake, Inhibition of Mammalian and Bacterial Thioredoxin Reductases, and Gram-Positive Directed Antibacterial Effects. AB - Gold complexes with N-heterocyclic carbene (NHC) ligands represent a promising class of metallodrugs for the treatment of cancer or infectious diseases. In this report, the synthesis and the biological evaluation of halogen-containing NHC-AuI -Cl complexes are described. The complexes 1 and 5 a-5 f displayed good cytotoxic activity against tumor cells, and cellular uptake studies suggested that an intact Au-NHC fragment is essential for the accumulation of high amounts of both the metal and the NHC ligand. However, the bioavailability was negatively affected by serum components of the cell culture media and was influenced by likely transformations of the complex. One example (5 d) efficiently induced apoptosis in vincristine- and daunorubicin-resistant P-glycoprotein overexpressing Nalm-6 leukemia cells. Cellular uptake studies with this compound showed that both the wild-type and resistant Nalm-6 cells accumulated comparable amounts of gold, indicating that the gold drug was not excreted by P-glycoprotein or other efflux transporters. The effective inhibition of mammalian and bacterial thioredoxin reductases (TrxR) was confirmed for all of the gold complexes. Antibacterial screening of the gold complexes showed a particularly high activity against Gram-positive strains, reflecting their high dependence on an intact Trx/TrxR system. This result is of particular interest as the inhibition of bacterial TrxR represents a relatively little explored mechanism of new anti infectives. PMID- 27865003 TI - Capturing early signs of deterioration: the dutch-early-nurse-worry-indicator score and its value in the Rapid Response System. AB - AIMS AND OBJECTIVES: To determine the predictive value of individual and combined dutch-early-nurse-worry-indicator-score indicators at various Early Warning Score levels, differentiating between Early Warning Scores reaching the trigger threshold to call a rapid response team and Early Warning Score levels not reaching this point. BACKGROUND: Dutch-early-nurse-worry-indicator-score comprises nine indicators underlying nurses' 'worry' about a patient's condition. All indicators independently show significant association with unplanned intensive care/high dependency unit admission or unexpected mortality. Prediction of this outcome improved by adding the dutch-early-nurse-worry-indicator-score indicators to an Early Warning Score based on vital signs. DESIGN: An observational cohort study was conducted on three surgical wards in a tertiary university-affiliated teaching hospital. METHODS: Included were surgical, native speaking, adult patients. Nurses scored presence of 'worry' and/or dutch-early nurse-worry-indicator-score indicators every shift or when worried. Vital signs were measured according to the prevailing protocol. Unplanned intensive care/high dependency unit admission or unexpected mortality was the composite endpoint. Percentages of 'worry' and dutch-early-nurse-worry-indicator-score indicators were calculated at various Early Warning Score levels in control and event groups. Entering all dutch-early-nurse-worry-indicator-score indicators in a multiple logistic regression analysis, we calculated a weighted score and calculated sensitivity, specificity, positive predicted value and negative predicted value for each possible total score. RESULTS: In 3522 patients, 102 (2.9%) had an unplanned intensive care/high dependency unit admissions (n = 97) or unexpected mortality (n = 5). Patients with such events and only slightly changed vital signs had significantly higher percentages of 'worry' and dutch early-nurse-worry-indicator-score indicators expressed than patients in the control group. Increasing number of dutch-early-nurse-worry-indicator-score indicators showed higher positive predictive values. CONCLUSIONS: Dutch-early nurse-worry-indicator-score indicators alert in an early stage of deterioration, before reaching the trigger threshold to call a rapid response team and can improve interdisciplinary communication on surgical wards during regular rounds, and when calling for assistance. RELEVANCE TO CLINICAL PRACTICE: Dutch-early nurse-worry-indicator-score structures communication and recording of signs known to be associated with a decline in a patient's condition and can empower nurses to call assistance on the 'worry' criterion in an early stage of deterioration. PMID- 27865004 TI - Long-term effects of high-intensity interval training in heart transplant recipients: A 5-year follow-up study of a randomized controlled trial. AB - BACKGROUND: Previous studies have demonstrated that high-intensity interval training (HIT) is superior to moderate-continuous exercise in general and in cardiovascular diseases. Recently, we also found HIT safe and efficient after heart transplantation (HTx). This study reports the 5-year long-term effects. DESIGN AND METHODS: Forty-one HTx patients who had completed the previous 12 month randomized controlled trial, comparing HIT intervention with usual care, were eligible. In particular, we measured VO2peak , muscular capacity, intravascular ultrasound, and questionnaires measuring physical and mental health. RESULTS: The baseline mean+/-SD values were as follows: age; 49.1+/-16.5 years, men; 68%, time since HTx: 4.1+/-2.2 years. Within the HIT group, initial VO2peak increased significantly from 27.7+/-5.7 to 31.2+/-5.3 mL/kg/min. However, during the next 4 years, VO2peak decreased to 26.0+/-6.2 mL/kg/min. The control group showed slightly decreasing VO2peak values during the entire 5-year period. The HIT group reported significantly less anxiety symptoms, but there were no long-term differences in VO2peak , muscular capacity, or cardiac allograft vasculopathy between the groups. The similar VO2peak values correspond to our findings of similar everyday activity. CONCLUSION: Our findings suggest that intermittent periods of HIT may be necessary to maintain the initial benefits gained from the intervention. However, HIT probably reduces the burden of anxiety, which is a frequent health issue following HTx. PMID- 27865005 TI - Hydrogenated Bismuth Molybdate Nanoframe for Efficient Sunlight-Driven Nitrogen Fixation from Air. AB - Sunlight-driven dinitrogen fixation can lead to a novel concept for the production of ammonia under mild conditions. However, the efficient artificial photosynthesis of ammonia from ordinary air (instead of high pure N2 ) has never been implemented. Here, we report for the first time the intrinsic catalytic activity of Bi2 MoO6 catalyst for direct ammonia synthesis under light irradiation. The edge-exposed coordinatively unsaturated Mo atoms in an Mo-O coordination polyhedron can act as activation centers to achieve the chemisorption, activation, and photoreduction of dinitrogen efficiently. Using that insight as a starting point, through rational structure and defect engineering, the optimized Bi2 MoO6 sunlight-driven nitrogen fixation system, which simultaneously possesses robust nitrogen activation ability, excellent light-harvesting performance, and efficient charge transmission was successfully constructed. As a surprising achievement, this photocatalytic system demonstrated for the first time ultra-efficient (1.3 mmol g-1 h-1 ) and stable sunlight driven nitrogen fixation from air in the absence of any organic scavengers. PMID- 27865006 TI - Soft Microrobots Employing Nonequilibrium Actuation via Plasmonic Heating. AB - A soft microrobot composed of a microgel and driven by the light-controlled nonequilibrium dynamics of volume changes is presented. The photothermal response of the microgel, containing plasmonic gold nanorods, enables fast heating/cooling dynamics. Mastering the nonequilibrium response provides control of the complex motion, which goes beyond what has been so far reported for hydrophilic microgels. PMID- 27865008 TI - Biosynthesis of the psychotropic plant diterpene salvinorin A: Discovery and characterization of the Salvia divinorum clerodienyl diphosphate synthase. AB - Salvia divinorum commonly known as diviner's sage, is an ethnomedicinal plant of the mint family (Lamiaceae). Salvia divinorum is rich in clerodane-type diterpenoids, which accumulate predominantly in leaf glandular trichomes. The main bioactive metabolite, salvinorin A, is the first non-nitrogenous natural compound known to function as an opioid-receptor agonist, and is undergoing clinical trials for potential use in treating neuropsychiatric diseases and drug addictions. We report here the discovery and functional characterization of two S. divinorum diterpene synthases (diTPSs), the ent-copalyl diphosphate (ent-CPP) synthase SdCPS1, and the clerodienyl diphosphate (CLPP) synthase SdCPS2. Mining of leaf- and trichome-specific transcriptomes revealed five diTPSs, two of which are class II diTPSs (SdCPS1-2) and three are class I enzymes (SdKSL1-3). Of the class II diTPSs, transient expression in Nicotiana benthamiana identified SdCPS1 as an ent-CPP synthase, which is prevalent in roots and, together with SdKSL1, exhibits a possible dual role in general and specialized metabolism. In vivo co expression and in vitro assays combined with nuclear magnetic resonance (NMR) analysis identified SdCPS2 as a CLPP synthase. A role of SdCPS2 in catalyzing the committed step in salvinorin A biosynthesis is supported by its biochemical function, trichome-specific expression and absence of additional class II diTPSs in S. divinorum. Structure-guided mutagenesis revealed four catalytic residues that enabled the re-programming of SdCPS2 activity to afford four distinct products, thus advancing our understanding of how neo-functionalization events have shaped the array of different class II diTPS functions in plants, and may promote synthetic biology platforms for a broader spectrum of diterpenoid bioproducts. PMID- 27865009 TI - Melatonin synergizes the chemotherapeutic effect of 5-fluorouracil in colon cancer by suppressing PI3K/AKT and NF-kappaB/iNOS signaling pathways. AB - 5-Fluorouracil (5-FU) is one of the most commonly used chemotherapeutic agents in colon cancer treatment, but has a narrow therapeutic index limited by its toxicity. Melatonin exerts antitumor activity in various cancers, but it has never been combined with 5-FU as an anticolon cancer treatment to improve the chemotherapeutic effect of 5-FU. In this study, we assessed such combinational use in colon cancer and investigated whether melatonin could synergize the antitumor effect of 5-FU. We found that melatonin significantly enhanced the 5-FU mediated inhibition of cell proliferation, colony formation, cell migration and invasion in colon cancer cells. We also found that melatonin synergized with 5-FU to promote the activation of the caspase/PARP-dependent apoptosis pathway and induce cell cycle arrest. Further mechanism study demonstrated that melatonin synergized the antitumor effect of 5-FU by targeting the PI3K/AKT and NF kappaB/inducible nitric oxide synthase (iNOS) signaling. Melatonin in combination with 5-FU markedly suppressed the phosphorylation of PI3K, AKT, IKKalpha, IkappaBalpha, and p65 proteins, promoted the translocation of NF-kappaB p50/p65 from the nuclei to cytoplasm, abrogated their binding to the iNOS promoter, and thereby enhanced the inhibition of iNOS signaling. In addition, pretreatment with a PI3K- or iNOS-specific inhibitor synergized the antitumor effects of 5-FU and melatonin. Finally, we verified in a xenograft mouse model that melatonin and 5 FU exerted synergistic antitumor effect by inhibiting the AKT and iNOS signaling pathways. Collectively, our study demonstrated that melatonin synergized the chemotherapeutic effect of 5-FU in colon cancer through simultaneous suppression of multiple signaling pathways. PMID- 27865010 TI - A mixed-methods study exploring sign-off mentorship practices in relation to the Nursing and Midwifery Council standards. AB - AIMS AND OBJECTIVES: To investigate the current practice and experience of sign off mentors in one NHS trust. BACKGROUND: In the UK, sign-off mentors support nursing students in their last clinical placement and are accountable for the final assessment of fitness to practice as a registered nurse. DESIGN: Mixed methods study. METHODS: The focus was on two key Nursing and Midwifery Council standards: the requirement for students to work at least 40% of their time on clinical placement with a sign-off mentor/mentor; the sign-off mentor had one hour-per-week protected time to meet the final placement student. Data were collected through two audits of clinical and university documents and an experience survey administered to all sign-off mentors in one trust. RESULTS: The audits showed that only 22/42 (52%) of students were supervised by their sign-off mentor/mentor at least 40% of the time, whilst 10/42 (24%) students never worked a shift with their sign-off mentor. Only one student met their sign-off mentor every week. Complete data were available in 31/64 (47%) sign-off mentors, of whom 21/30 (70%) rarely/never had reduced clinical commitment to mentor final placement students. Furthermore, 19/28 (68%) met their student after their shift had ended with 24/30 (80%) reporting not getting any protected time. CONCLUSION: Sign-off mentors have inadequate time and resources to undertake their role, yet are accountable for confirming the student has the required knowledge and skills to practise safely. The current model needs urgent review to improve mentoring standards. RELEVANCE TO CLINICAL PRACTICE: Understanding how the role of the sign off mentor is working in practice is critical to ensuring that the Nursing and Midwifery Council standards are met, ensuring students are well supported and appropriately assessed in practice, and mentoring is given the high profile it deserves to guarantee high-quality care and protecting the public. PMID- 27865007 TI - Anisotropic Materials for Skeletal-Muscle-Tissue Engineering. AB - Repair of damaged skeletal-muscle tissue is limited by the regenerative capacity of the native tissue. Current clinical approaches are not optimal for the treatment of large volumetric skeletal-muscle loss. As an alternative, tissue engineering represents a promising approach for the functional restoration of damaged muscle tissue. A typical tissue-engineering process involves the design and fabrication of a scaffold that closely mimics the native skeletal-muscle extracellular matrix (ECM), allowing organization of cells into a physiologically relevant 3D architecture. In particular, anisotropic materials that mimic the morphology of the native skeletal-muscle ECM, can be fabricated using various biocompatible materials to guide cell alignment, elongation, proliferation, and differentiation into myotubes. Here, an overview of fundamental concepts associated with muscle-tissue engineering and the current status of muscle-tissue engineering approaches is provided. Recent advances in the development of anisotropic scaffolds with micro- or nanoscale features are reviewed, and how scaffold topographical, mechanical, and biochemical cues correlate to observed cellular function and phenotype development is examined. Finally, some recent developments in both the design and utility of anisotropic materials in skeletal muscle-tissue engineering are highlighted, along with their potential impact on future research and clinical applications. PMID- 27865011 TI - Vital signs as predictors for aggression in hospital patients (VAPA). AB - AIMS AND OBJECTIVES: To examine and describe the relationship between physiological status and violent and aggressive behaviours in hospital patients. BACKGROUND: The majority of adverse events are preceded by physiological abnormalities; whether physiological deterioration is a predictor of violent or aggressive behaviours remains unknown. DESIGN: Prospective case-control study. METHODS: Prospective audit of 999 patients from two major health services in Melbourne, Australia. There were 333 cases who required an emergency response for aggressive or violent behaviour (Code Grey) in the emergency department, medical or surgical units, or inpatient mental health unit between January-June 2015. Two control patients who did not have a Code Grey were randomly selected from the same unit and same day that the Code Grey occurred for the case patient. RESULTS: Patient locations were 54.4% medical or surgical units, 23.7% emergency department and 21.9% mental health units. Code Grey patients had less documentation of physiological assessment and were more likely to have respiratory rate, heart rate and conscious state abnormalities in the 12 hours preceding Code Grey. After adjusting for confounders, the risk of Code Grey was highest for patients with confusion. CONCLUSION: Patients experiencing behavioural disturbance had lower standards of patient assessment, greater incidence of physiological abnormalities and more inpatient deaths. Early recognition of, and response to, patient and physiological predictors of Code Grey should be a strategy to prevent behavioural escalation to the point of Code Grey. RELEVANCE TO CLINICAL PRACTICE: Strategies are needed to improve physiological assessment of patients with behavioural disturbance while ensuring staff safety. There are patient and physiological factors associated with increased risk of Code Grey that may be used to prevent behavioural escalation to the point of an emergency response. PMID- 27865012 TI - Half-Sandwich Alkyl, Amido, and Iodo Samarium(II) Complexes: Non-Conventional Sterically Governed Oxidation of (tBu4 Carb)2 Sm. AB - The half-sandwich tetra-tert-butylcarbazol-9-yl iodo complex [(tBu4 Carb)Sm(MU I)(THF)2 ]2 (1) was synthesized by the salt metathesis reaction of tBu4 CarbK and SmI2 (THF)2 in THF. Complex 1 along with metallic Cu was also isolated from the oxidation reaction of (tBu4 Carb)2 Sm by CuI. The formation of stable radical tBu4 Carb. was detected in this non-conventional process, indicating preferential oxidation of anion tBu4 Carb- vs. SmII . The treatment of 1 with two equivalents of dibenzo-18-crown-6 resulted in heterolytic dissociation of a eta5 -bond Sm tBu4 Carb and afforded an ionic compound [tBu4 carb- ][SmI(crown)(THF)2 ]+ (4). Alkylation of 1 with o-NMe2 C6 H4 CH2 K (1:2 molar ratio) in THF allowed for the synthesis of half-sandwich SmII alkyl complex (tBu4 Carb)SmCH2 (o-NMe2 C6 H4 CH2 )(THF)2 (5) in 55 % yield. The amido complex (tBu4 Carb)SmN(SiMe3 )2 (DME) (6) was obtained by the reaction of 1 with two molar equivalents of NaN(SiMe3 )2 in THF in 89 % yield. PMID- 27865013 TI - Dancing around families: neonatal nurses and their role in child protection. AB - AIMS AND OBJECTIVES: To explore the processes neonatal intensive care nurses used in their child protection role with preterm infants. BACKGROUND: Neonatal nurses' screening for family violence is important in identifying at-risk preterm infants requiring protection upon discharge from neonatal intensive care settings. We know little about neonatal nurses and their role in child protection. DESIGN: A qualitative research design using Glaserian grounded theory. METHODS: Ten in depth semi-structured interviews were conducted with New Zealand neonatal intensive care nurses. Data were simultaneously analysed using constant comparative analysis and theoretical sampling to develop a substantive grounded theory. RESULTS: Dancing around families is the substantive grounded theory explaining how neonatal intensive care nurses respond to and manage an infant needing child protection. Knowing at-risk families is the process these nurses used, which draws on their personal and professional knowledge to identify an infant's child welfare requirements. A tension exists for neonatal nurses in shaping and framing the baby's safety and protection needs between their role of nurturing and protecting an at-risk infant and it belonging to the family. CONCLUSIONS: Child protection is a source of conflict for neonatal intensive care nurses. A lack of education, dodgy families and lack of confidence in child welfare services all compromise effective child protection. Their reality is tension between wanting the best possible outcomes for the baby, but having little or no control over what happens following its discharge. RELEVANCE TO CLINICAL PRACTICE: Neonatal intensive care nurses are ideally positioned to identify and respond to those preterm infants at risk of child maltreatment. They need education in child maltreatment, and protection focused on preterm infants, collegial support and clinical supervision. PMID- 27865014 TI - OFF-ON-OFF Red-Emitting Fluorescent Indicators for a Narrow pH Window. AB - A unique combination of two independent mechanisms of fluorescence quenching, namely intramolecular charge transfer (ICT) from a peripheral donor and protonation of azomethine nitrogen atoms in zinc tetrapyrazinoporphyrazines (TPyzPz), provides a new possibility for sensing pH in a specific range. The pH selectivity was controlled by the different basicities of the donor for ICT (dimethylaminoaryl), which was connected to the macrocycle by pi-extended linkers of different lengths. ICT and protonation have been studied in detail by photophysical, spectral (UV/Vis and MCD spectra), and electrochemical measurements, and further supported by theoretical calculations (DFT, TDDFT). The pH-sensing properties of the TPyzPzs have been investigated in THF and in water after anchoring the TPyzPzs to liposomes. The salient pKa values were around 1.3 (azomethine nitrogen) and 2.29-4.76 (donor for ICT). The lead indicators (sensing over a pH range of 1.0-2.5) with fairly steep sensing profiles exhibited increases in fluorescence between the OFF/ON states of more than 20-fold and strong absorption in the red region (Q-band maximum >650 nm, epsilon~2*106 m-1 cm-1 ). PMID- 27865016 TI - Bimetal-Organic Framework Derived CoFe2 O4 /C Porous Hybrid Nanorod Arrays as High-Performance Electrocatalysts for Oxygen Evolution Reaction. AB - Porous CoFe2 O4 /C NRAs supported on nickel foam@NC (denoted as NF@NC-CoFe2 O4 /C NRAs) are directly fabricated by the carbonization of bimetal-organic framework NRAs grown on NF@poly-aniline(PANI), and they exhibit high electrocatalytic activity, low overpotential, and high stability for the oxygen evolution reaction in alkaline media. PMID- 27865017 TI - Isolated thoughts and feelings and unsolved concerns: adolescents' and parents' perspectives on living with type 1 diabetes - a qualitative study using visual storytelling. AB - AIMS AND OBJECTIVES: To explore and describe the experiences of adolescents and their parents living with type 1 diabetes, to identify their needs for support to improve adolescents' self-management skills in the transition from child- to adulthood. BACKGROUND: Adolescents with type 1 diabetes often experience deteriorating glycaemic control and distress. Parents are important in adolescents' ability to self-manage type 1 diabetes, but they report anxiety and frustrations. A better understanding of the challenges adolescents and parents face, in relation to the daily self-management of type 1 diabetes, is important to improve clinical practice. DESIGN: A qualitative explorative study using visual storytelling as part of individual interviews. METHODS: A purposive sample of nine adolescents and their parents (seven mothers, six fathers) took photographs illustrating their experiences living with type 1 diabetes. Subsequently, participants were interviewed individually guided by participants' photographs and a semistructured interview guide. Interviews were analysed using thematic analysis. RESULTS: Four major themes were consistent across adolescents and their parents: (1) striving for safety, (2) striving for normality, (3) striving for independence and (4) worrying about future. Although adolescents and parents had same concerns and challenges living with type 1 diabetes, they were experienced differently. Their thoughts and feelings mostly remained isolated and their concerns and challenges unsolved. CONCLUSIONS: The concerns and challenges adolescents and their parents face in the transition from child- to adulthood are still present despite new treatment modalities. Parents are fundamental in supporting the adolescents' self-management-work; however, the parties have unspoken concerns and challenges. RELEVANCE TO CLINICAL PRACTICE: Healthcare providers should address the parties' challenges and concerns living with type 1 diabetes to diminish worries about future including fear of hypoglycaemia, the burden of type 1 diabetes and the feeling of being incompetent in diabetes self management. It is important to focus on supporting both adolescents and their parents, and to provide a shared platform for communication. PMID- 27865015 TI - Cannabis use during treatment for alcohol use disorders predicts alcohol treatment outcomes. AB - AIMS: To compare post-treatment alcohol use between those who use cannabis and those who abstain during treatment for alcohol use disorders (AUD); and to examine potential cannabis use thresholds by comparing post-treatment alcohol use between four frequency groups of cannabis users relative to abstainers. DESIGN: Secondary analyses of the Combined Pharmacotherapies and Behavioral Interventions (COMBINE) Study, a randomized control trial of AUD treatments. The current study compares longitudinal drinking data between those who used cannabis versus those who abstained during COMBINE treatment. SETTING: The COMBINE Study treatments were delivered on an out-patient basis for 16 weeks. The current analyses include 206 cannabis users and 999 cannabis abstainers. PARTICIPANTS: All participants met diagnosis of primary alcohol dependence (n = 1383). MEASUREMENTS: Primary exposures were any cannabis use and quartiles of cannabis use (Q1: 1-4 use days during treatment, Q2: 5-9 days, Q3: 10-44 days, Q4: 45-112 days). Outcomes were percentage of days abstinent from alcohol (PDA), drinks per drinking day (DPDD) and percentage of heavy drinking days (PHD), all measured at treatment end and 1 year post-treatment. FINDINGS: Compared with no cannabis use, any cannabis use during treatment was associated with 4.35% [95% confidence interval (CI) = -8.68, -0.02], or approximately 4 fewer alcohol abstinent days at the end of treatment. This association weakened by 1 year post-treatment (95% CI = -9.78, 0.54). Compared with no cannabis use, only those in the second quartile of cannabis use (those who used once or twice per month during treatment) had 8.81% (95% CI = 17.00, -0.63), or approximately 10 fewer days alcohol abstinent at end of treatment, and 11.82% (95% CI = -21.56, -2.07), or approximately 13 fewer alcohol abstinent days 1 year post-treatment. Neither any cannabis use nor quartiles were associated with DPDD or PHD at either time-point. CONCLUSIONS: Among individuals in alcohol treatment, any cannabis use (compared with none) is related to a significantly lower percentage of days abstinent from alcohol post-treatment, although only among those who used cannabis once or twice per month. PMID- 27865018 TI - How Would Rural Hospitals Be Affected by Loss of the Affordable Care Act's Medicare Low-Volume Hospital Adjustment? AB - PURPOSE: The low-volume hospital (LVH) payment adjustment established in the Patient Protection and Affordable Care Act (ACA) of 2010 is scheduled to sunset on October 1, 2017. The purpose of this analysis was: (1) to estimate the effect of the ACA LVH adjustment on qualifying hospitals' profitability margins; and (2) to examine hospital and market characteristics of the hospitals that would be most adversely affected by the loss of the ACA LVH adjustment. METHODS: 2004-2015 data from the Hospital Cost Report Information System, Hospital Market Service Area File and Nielsen-Claritas Pop-Facts file were used to estimate difference-in difference regression models with hospital-level random effects in order to determine whether the ACA LVH adjustment improved qualifying rural hospitals' profitability margins. Recycled predictions estimated the effect of losing the ACA LVH adjustment on profitability margins. Bivariate analyses explored associations between the predicted profitability margins and hospital and market characteristics. FINDINGS: The ACA LVH adjustment significantly improved Sole Community Hospitals' Medicare inpatient margins in the year they received the adjustment, and it had a large but statistically insignificant effect on the profitability margins of other rural hospitals. Hospitals that would be the most adversely affected by loss of the ACA LVH adjustment were more likely to be small, located in the South, and in high-poverty markets with higher proportions of black and uninsured individuals. CONCLUSIONS: Elimination of the ACA LVH adjustment would have differential effects on subgroups of hospitals, and those located in markets serving historically underserved populations would be the most adversely affected. PMID- 27865019 TI - The regulation of carotenoid formation in tomato fruit. AB - Carotenoid biosynthesis in plants includes a complex series of desaturation/isomerisation reactions, catalyzed by four independent enzymes. In bacteria and fungi one desaturase/isomerase enzyme completes the same series of reactions. In the present study, a bacterial desaturase (crtI) from Pantoea ananatis has been overexpressed in the tangerine mutant of tomato (Solanum lycopersicon) which accumulates cis-carotene isomers in the fruit due to a defective isomerase (CRTISO) and the old gold crimson (ogc ) tomato mutant, which is defective in the fruit-enhanced lycopene beta-cyclase (CYCB). Comprehensive molecular and biochemical characterization of the resulting lines expressing crtI has revealed negative feedback mechanisms, acting predominantly at the level of phytoene synthase-1 (PSY1), and feed-forward mechanisms inducing cyclisation. In both cases, altered transcription appears to be the progenitor, with subsequent post-transcriptional modulation highlighting the complexity of the processes involved in modulating carotenoid homeostasis in plant tissues. PMID- 27865020 TI - Nitrogen-Induced Transformation of Vitamin C into Multifunctional Up-converting Carbon Nanodots in the Visible-NIR Range. AB - Water-soluble, biocompatible, and photoluminescent carbon nanodots have been obtained from the rationalized carbonization of vitamin C, a well-known antioxidant molecule in the presence of an amine co-reactant. Herein, we describe the positive influence of N-doping to induce a unique pH-dependent lifetime decay response that would be potentially attractive in biological backgrounds with intrinsic fluorescence fluctuations. In addition, the selectivity and sensitivity of the N-containing carbon nanoprobes towards the detection of copper ions at ppm levels is critically enhanced in comparison with the un-doped counterpart, especially in the near-infrared (NIR) range. Finally, the up-converting properties have been also successfully applied to image tumor cells in the visible range and remarkably, in the NIR region in which minimal tissue or water absorption and maximum penetration depth are expected. PMID- 27865022 TI - Exploring the experiences of patients attending day hospitals in the rural Scotland: capturing the patient's voice. AB - AIMS AND OBJECTIVES: To understand the meaning of person-centred compassionate care for people attending day hospitals in rural Scotland. BACKGROUND: Increasing numbers of older people are living with chronic conditions and require support to live at home. Intermediate care services such as day hospitals can enable this. Much previous research about day hospitals focused on organisational aspects of care. This study set out to capture the voice of the patient using this service. DESIGN: A descriptive qualitative study. METHODS: Individual interviews were undertaken in participant's homes using emotional touchpoints as prompts to help patients discuss their experience of care within a day hospital (n = 15). Data were analysed using thematic analysis. RESULTS: Four main themes were identified from the data: Relationships, Feeling Valued, Expectations and Perceived Benefits. The findings showed that relationships with staff and other patients were important. The patients also wanted to feel valued, and helping others was part of this. The patients had clear expectations of the service but had an acute awareness of the benefits of attending the day hospital such as coordination of their care. Overall, the patients were highly satisfied, felt that care was person-centred and recognised the advantages of remaining close to home. CONCLUSIONS: At a time when enabling health and social care integration is a priority, this study provides insight into the patient perspective of intermediate care. The findings reveal what matters to patients cared for in the community and how this service can respond to this. RELEVANCE TO CLINICAL PRACTICE: This study provides insight for healthcare practitioners caring for patients in the community and those responsible for planning and resourcing this service. It should also start a dialogue about how these services could be used more. PMID- 27865021 TI - Ligand binding specificity of the Escherichia coli periplasmic histidine binding protein, HisJ. AB - The HisJ protein from Escherichia coli and related Gram negative bacteria is the periplasmic component of a bacterial ATP-cassette (ABC) transporter system. Together these proteins form a transmembrane complex that can take up L-histidine from the environment and translocate it into the cytosol. We have studied the specificity of HisJ for binding L-His and many related naturally occurring compounds. Our data confirm that L-His is the preferred ligand, but that 1-methyl L-His and 3-methyl-L-His can also bind, while the dipeptide carnosine binds weakly and D-histidine and the histidine degradation products, histamine, urocanic acid and imidazole do not bind. L-Arg, homo-L-Arg, and post translationally modified methylated Arg-analogs also bind with reasonable avidity, with the exception of symmetric dimethylated-L-Arg. In contrast, L-Lys and L-Orn have considerably weaker interactions with HisJ and methylated and acetylated Lys variants show relatively poor binding. It was also observed that the carboxylate group of these amino acids and their variants was very important for proper recognition of the ligand. Taken together our results are a key step towards designing HisJ as a specific protein-based reagentless biosensor. PMID- 27865023 TI - Layered Post-Transition-Metal Dichalcogenides (X-M-M-X) and Their Properties. AB - AIII BVI chalcogenides are an interesting group of layered semiconductors with several attractive properties, such as tunable band gaps and the formation of solid solutions. Unlike the typically sandwiched structure of transition-metal dichalcogenides, AIII BVI layered chalcogenides with hexagonal symmetry are stacked through the X-M-M-X motif, in which M is gallium and indium, and X is sulfur, selenium, and tellurium. In view of the inadequate study of the electrochemical properties and great interest in layered materials towards energy related research, herein the inherent electrochemistry of GaS, GaSe, GaTe, and InSe has been studied, as well as the exploration of their potential as hydrogen evolution reaction (HER) electrocatalysts. All four materials show redox peaks during cyclic voltammetry measurements. Furthermore, insights into catalysis of the HER are provided; these indicate the conductivity and number of active sites of the materials. All of these findings have important implications on their possible applications. PMID- 27865024 TI - Impact of the zero-markup drug policy on hospitalisation expenditure in western rural China: an interrupted time series analysis. AB - OBJECTIVES: To assess the long-term effects of the introduction of China's zero markup drug policy on hospitalisation expenditure and hospitalisation expenditures after reimbursement. METHODS: An interrupted time series was used to evaluate the impact of the zero-markup drug policy on hospitalisation expenditure and hospitalisation expenditure after reimbursement at primary health institutions in Fufeng County of Shaanxi Province, western China. Two regression models were developed. Monthly average hospitalisation expenditure and monthly average hospitalisation expenditure after reimbursement in primary health institutions were analysed covering the period 2009 through to 2013. RESULTS: For the monthly average hospitalisation expenditure, the increasing trend was slowed down after the introduction of the zero-markup drug policy (coefficient = -16.49, P = 0.009). For the monthly average hospitalisation expenditure after reimbursement, the increasing trend was slowed down after the introduction of the zero-markup drug policy (coefficient = -10.84, P = 0.064), and a significant decrease in the intercept was noted after the second intervention of changes in reimbursement schemes of the new rural cooperative medical insurance (coefficient = -220.64, P < 0.001). CONCLUSIONS: A statistically significant absolute decrease in the level or trend of monthly average hospitalisation expenditure and monthly average hospitalisation expenditure after reimbursement was detected after the introduction of the zero-markup drug policy in western China. However, hospitalisation expenditure and hospitalisation expenditure after reimbursement were still increasing. More effective policies are needed to prevent these costs from continuing to rise. PMID- 27865025 TI - MR targeted imaging for the expression of tenascin-C in myocardial infarction in vivo. AB - PURPOSE: To investigate the presence of viable myocardium in mice with acute myocardial infarction (MI) using a molecular targeted probe. MATERIALS AND METHODS: Super paramagnetic iron oxide (SPIO) nanoparticles and tenascin-C antibody were conjugated as an MRI probe. Fifteen mice with infarction were injected with SPIO-anti-tenascin-C (3 days [d], 5d, 7d after infarction; n = 5 for each group). Another five mice with infarction (5d, n = 5) were injected with SPIO for comparison. In vivo MR (7 Tesla, fast low-angle shot multi-slice T2* sequence) was performed for tracing. Histological analysis was used to compare surviving cardiomyocytes with signal changes on MR. RESULTS: The mRNA expression of tenascin-C increased directly after MI and peaked at the fifth day (5d 24.29 +/- 1.41 versus 3d 10.63 +/- 0.72, 7d 6.56 +/- 0.12; P < 0.01). T2 relaxation rate of synthesized SPIO-anti-tenascin-C was r2 = 338 mM-1 s-1 . After MR, the signal changes (contrast-to-noise ratio) of the research group were 3d 6.51 +/- 1.13 versus 5d 14.06 +/- 3.19 versus 7d 5.02 +/- 2.65, P < 0.05. The MR signal showed a small decrease in the contrast group on 5d (research group 14.06 +/- 3.19 versus contrast group 1.75 +/- 0.59, P < 0.05). CONCLUSION: Tenascin-C was expressed by surviving cardiomyocytes within the infarcted region. MR imaging with SPIO-anti-tenascin-C might be used to evaluate myocardial viability of MI patients before therapy. LEVEL OF EVIDENCE: 1 Technical Efficacy: Stage 4 J. MAGN. RESON. IMAGING 2017;45:1668-1674. PMID- 27865026 TI - Self-efficacy in the context of heart transplantation - a new perspective. AB - AIMS AND OBJECTIVES: An in-depth exploration of self-efficacy among heart transplant recipients by means of Bandura's self-efficacy theory. BACKGROUND: An essential component of chronic illness management is self-management, which refers to activities carried out by people to create order, structure and control in their lives. Self-efficacy is an important aspect of self-management, which seems to have become the main paradigm for long-term management after solid organ transplantation. DESIGN: A directed content analysis using Bandura's self efficacy theory. METHODS: Open-ended, in-depth interviews were conducted with 14 heart transplant recipients at their 12-month follow-up after heart transplantation. RESULTS: This study generated the hypothesis that from the patients' perspective, self-efficacy after heart transplantation concerns balancing expectations to find the optimum level of self-efficacy. Performance accomplishment was found to have the greatest impact on self-efficacy, while its absence was the main source of disappointments. It was also revealed that the gap between performance accomplishment and efficacy expectations can be understood as uncertainty. CONCLUSIONS: It is essential to assess both expectations and disappointments from the patient perspective in order to promote an optimum level of self-efficacy among heart transplant recipients. This includes supporting the heart recipient to adopt mental and physical adjustment strategies to balance her/his expectations as a means of minimising disappointments. The understanding that uncertainty can undermine self-efficacy is crucial. RELEVANCE TO CLINICAL PRACTICE: The merging of the uncertainty in illness and self-efficacy theories provides an excellent framework for the provision of self-management support. In addition, focusing on a partnership between the transplant professionals and the recipient is essential because it minimises the use of a behavioural approach. PMID- 27865028 TI - Trends in tropical tree growth: re-analyses confirm earlier findings. AB - In a recent Opinion article, Brienen et al. (2016) raise doubts about our finding that tropical tree growth has not increased during 150 years of CO2 rise (Groenendijk et al., 2015; van der Sleen et al., 2015). They claim that our tree ring data contain evidence for historical growth stimulation that was concealed due to failing regeneration in several species. Here we show that (i) the correction method proposed by Brienen et al. induces a bias towards finding positive growth trends, (ii) the results of Brienen et al. rest on selective removal of species, (iii) there is a simple and effective way to accommodate effects of recruitment failure by subsetting data, and (iv) the application of this method confirms our earlier findings. Thus, our results are robust to effects of recruitment failure and our conclusions remain unchanged: we find no evidence for historical growth changes in our studied tree species. PMID- 27865027 TI - Assessment of active and inactive sacroiliitis in patients with ankylosing spondylitis using quantitative dynamic contrast-enhanced MRI. AB - PURPOSE: To investigate the feasibility of using quantitative dynamic contrast enhanced magnetic resonance imaging (DCE-MRI) to differentiate the active and inactive stage of sacroiliitis and the correlation between quantitative parameters and disease activity as measured by clinical scores. MATERIALS AND METHODS: Forty-two patients with ankylosing spondylitis underwent DCE-MRI on a 3.0T MRI unit. According to the results of the blood sedimentation rate (ESR), C reactive protein (CRP), and Bath Ankylosing Spondylitis Disease Activity Index (BASDAI), the patients were grouped into inactive and active groups. Pharmacokinetic models were used to generate the semiquantitative and quantitative hemodynamic parameters of DCE-MRI. The between-group differences were analyzed using the Wilcoxon rank sum test, and the correlations between the pharmacokinetic parameters and BASDAI score were analyzed using Spearman's correlation coefficient. The efficacies of different parameters in differentiating the active and inactive phase of sacroiliitis were evaluated and compared using receiver operator characteristics (ROC) curve analysis. RESULTS: Ktrans , Kep , Ve , time to peak (TTP), max concentration (MAX Conc), and area under the curve (AUC) of the active group were significantly higher than those of the inactive stage group (P < 0.05). There were significant correlations between all parameters and BASDAI (P < 0.05). AUC of the receiver operator characteristics curve (AUCR ) of different parameters were not statistically different (P >0.05), except between AUC and MAX Conc (P = 0.0012). CONCLUSION: Quantitative DCE-MRI parameters can differentiate between active and inactive ankylosing spondylitis. Among those, Ktrans had the highest correlation coefficient with the BASDAI score. LEVEL OF EVIDENCE: 2 Technical Efficacy: Stage 2 J. MAGN. RESON. IMAGING 2017;46:71-78. PMID- 27865029 TI - Highly Intact and Pure Oxo-Functionalized Graphene: Synthesis and Electron-Beam Induced Reduction. AB - Controlling the chemistry of graphene is necessary to enable applications in materials and life sciences. Research beyond graphene oxide is targeted to avoid the highly defective character of the carbon framework. Herein, we show how to optimize the synthesis of oxo-functionalized graphene (oxo-G) to prepare high quality monolayer flakes that even allow for direct transmission electron microscopy investigation at atomic resolution (HRTEM). The role of undesired residuals is addressed and sources are eliminated. HRTEM provides clear evidence for the exceptional integrity of the carbon framework of such oxo-G sheets. The patchy distribution of oxo-functionality on the nm-scale, observed on our highly clean oxo-G sheets, corroborates theoretical predictions. Moreover, defined electron-beam irradiation facilitates gentle de-functionalization of oxo-G sheets, a new route towards clean graphene, which is a breakthrough for localized graphene chemistry. PMID- 27865030 TI - Functionalization of Unactivated C(sp3 )-H Bonds Using Metal-Carbene Insertion Reactions. AB - Versatile C-H insertions: Novel protocols for metal-carbene insertions using diazo compounds have been recently developed. Application of the respective rhodium and palladium catalytic systems allows formation of new carbon-carbon bonds in very good yields and selectivities. PMID- 27865031 TI - The predictability of mosquito abundance from daily to monthly timescales. AB - The prediction of mosquito abundance is of central interest in addressing mosquito population dynamics and in forecasting the associated emerging and re emerging diseases. However, little work has focused on the systematic evaluation of how well adult mosquito abundance can be predicted as a function of observational resolutions, aggregation scales, and prediction lead time. We use a state space reconstruction (SSR) approach to compare the predictability of mosquito population dynamics at weekly, biweekly, and monthly scales. We focus on the analysis of Aedes vexans and Culiseta melanura populations monitored in Brunswick County (North Carolina, USA) and find that prediction over a 7-d lead time is improved when daily observations are used, compared to the commonly used once-per-week sample. Our results demonstrate that daily observations of mosquito abundance contribute to improving mosquito predictability in two ways: (1) daily observations better capture fluctuations over short timescales, which are missed when sampling at coarser resolutions, and (2) the aggregation of daily abundance observations reduces the impact of noise, thereby increasing the predictability of mosquito population dynamics as the aggregation scale is increased. We show that the evaluation of population dynamical models based on observed and predicted abundance can lead to a spuriously high apparent performance, due to the high autocorrelation in the observations used to update the model state at each successive time step. We show that the comparison of predicted and observed population change, expressed through per capita growth rates, leads to a more informative performance measure. PMID- 27865032 TI - Intravoxel incoherent motion diffusion-weighted MRI of the abdomen: The effect of fitting algorithms on the accuracy and reliability of the parameters. AB - PURPOSE: To evaluate the influence of fitting methods on the accuracy and reliability of intravoxel incoherent motion (IVIM) parameters, with a particular emphasis on the constraint function. MATERIALS AND METHODS: Diffusion-weighted (DW) imaging data were analyzed using IVIM-based full-fitting (simultaneous fit of all parameters) and segmented-fitting (step-by-step fit of each parameter), each with and without the constraint function, to estimate the molecular diffusion coefficient (Dslow ), perfusion fraction (f), and flow-related diffusion coefficient (Dfast ). Computational simulations were performed at variable signal-to-noise ratios to evaluate the relative error (RE) and coefficient of variation (CV) of the estimated IVIM parameters. DW imaging of the abdomen was performed twice at 1.5 Tesla using nine b-values (0-900 s/mm2 ) in 12 health volunteers (6 men and 6 women; mean age: 30 years). The measurement repeatability of IVIM parameters in the liver and the pancreas was evaluated using the within-subject coefficient of variation (w CV). RESULTS: In simulations, full-fitting without the constraint function yielded the largest RE (P < 0.001 for Dslow and f; P <= 0.044 for Dfast ) and CV (P <= 0.033 for Dslow and f; P <= 0.473 for Dfast ) for IVIM parameters among all four algorithms. In volunteer imaging, full-fitting without the constraint function also resulted in the poorest repeatability for Dslow (w CV, 17.12%-65.45%) and f (w CV, 19.35% 42.84%) in the liver and pancreas, while the other algorithms had similar repeatability values (w CV, 4.05%-11.99% for Dslow and 9.65%-18.66% for f). Measurement repeatability of Dfast (w CV, 29.52%-85.01%) was the poorest among the IVIM parameters. CONCLUSION: For accurate and reliable measurement of IVIM parameters, segmented fitting or full-fitting with the constraint function should be used for IVIM-based analysis of DW imaging. LEVEL OF EVIDENCE: 3 Technical Efficacy: Stage 2 J. MAGN. RESON. IMAGING 2017;45:1637-1647. PMID- 27865033 TI - Selective Production of Carbon Monoxide via Methane Oxychlorination over Vanadyl Pyrophosphate. AB - A catalytic process is demonstrated for the selective conversion of methane into carbon monoxide via oxychlorination chemistry. The process involves addition of HCl to a CH4 -O2 feed to facilitate C-H bond activation under mild conditions, leading to the formation of chloromethanes, CH3 Cl and CH2 Cl2 . The latter are oxidized in situ over the same catalyst, yielding CO and recycling HCl. A material exhibiting chlorine evolution by HCl oxidation, high activity to oxidize chloromethanes into CO, and no ability to oxidize CO, is therefore essential to accomplish this target. Following these design criteria, vanadyl pyrophosphate (VPO) was identified as an outstanding catalyst, exhibiting a CO yield up to approximately 35 % at 96 % selectivity and stable behavior. These findings constitute a basis for the development of a process enabling the on-site valorization of stranded natural-gas reserves using CO as a highly versatile platform molecule. PMID- 27865035 TI - The epidemiology of irritable bowel syndrome: Symptom development over a 3-year period in Denmark. A prospective, population-based cohort study. AB - BACKGROUND: We aimed to explore the natural history of irritable bowel syndrome (IBS) in Denmark over 3 years by studying development of IBS symptoms and associated factors. METHODS: A cohort study was carried out using a web panel representative of the Danish general population 18-50 years. The survey, including a questionnaire based on the Rome III criteria for IBS, was conducted in January 2010, January 2011, and March 2013. KEY RESULTS: The prevalence of IBS was 15.4% (920/5986). The incidence was 10.3%, and was three times higher for persons with unspecific gastrointestinal (GI) symptoms compared to asymptomatic persons. Of respondents with IBS symptoms in both 2010 and 2011, 69% (131/191) also reported symptoms of IBS in 2013, which was significantly more compared to respondents with IBS symptoms in 2010 reporting to be asymptomatic or having unspecific GI symptoms in 2011 (20% and 39%, respectively, P<.001). Being diagnosed with IBS predicted fulfilling the criteria for IBS 3 years later (OR: 2.59, 95% CI: 1.11-6.10). Fulfilling criteria for IBS after 1 year also led to a high risk of IBS symptoms 3 years later in asymptomatic persons and persons with unspecific symptoms at baseline. CONCLUSIONS & INFERENCES: The vast majority of persons fulfilling criteria for IBS report GI symptoms after one and 3 years. Fulfilling IBS criteria after 1 year led to a high risk of reporting IBS symptoms after 3 years. In the general population having an IBS diagnosis predicts persistently fulfilling the Rome III criteria for IBS 3 years later. PMID- 27865034 TI - Prevention of hepatitis C recurrence by bridging sofosbuvir/ribavirin from pre- to post-liver transplant: a real-life strategy. AB - BACKGROUND & AIMS: Hepatitis C virus (HCV) re-infection following liver transplant (LT) is associated with reduced graft and patient survival. Before transplant, Sofosbuvir/Ribavirin (SOF/R) treatment prevents recurrent HCV in 96% of those patients achieving viral suppression for at least 4 weeks before transplant. We evaluated whether a bridging SOF-regimen from pre- to post transplant is safe and effective to prevent HCV recurrence in those patients with less than 4 weeks of HCV-RNA undetectability at the time of transplant. METHODS: From July 2014 SOF/R was given in 233 waitlisted HCV cirrhotics with/without hepatocellular carcinoma (HCC) within an Italian Compassionate Program. One hundred patients were transplanted and 31 patients (31%) treated with SOF/R bridging therapy were studied. RESULTS: Liver transplant indication in bridge subgroup was HCC in 22 and decompensated cirrhosis in 9. HCV-genotype was 1/4 in 18 patients. SOF 400 mg/day and R (median dosage 800 mg/day) were given for a median of 35 days before LT. At transplant time, 19 patients were still HCV-RNA positive (median HCV-RNA 58 IU/mL). One recipient had a virological breakthrough at week 4 post-transplant; one died, on treatment, 1-month post-transplant for sepsis and 29/31 achieved a 12-week sustained virological response (94%). Acute cellular rejection occurred in three recipients. On September 2016, 30 recipients (97%) were alive with a median follow-up of 18 months (range 13-25). CONCLUSIONS: In patients with suboptimal virological response at LT, a bridging SOF/R regimen helps avoiding post-transplant graft reinfection. PMID- 27865036 TI - Relationship between opioid treatment and rate of healing in chronic wounds. AB - Opioids are routinely used analgesics in patients with chronic wounds; however the impact of opioid exposure on wound healing is poorly understood. The purpose of this study was to investigate the association between opioid exposure and wound outcome in the Wound Etiology and Healing study. This longitudinal observational study was conducted on 450 subjects enrolled in the Wound Etiology and Healing biorepository. Data were collected prospectively including baseline characteristics, pain score, longitudinal opioid exposure, and total wound surface area (tWSA). Data were analyzed using static multivariate models, fixed effects mixed models, and time to event analysis. Using fixed-effects models, opioid dose was significantly associated with tWSA after accounting for the effects of pain score and baseline co-variates (p < 0.0001). For each 1-unit increase in ln(opioid dose + 1) the ln(tWSA + 1) increased by 0.16 units (95% confidence interval 0.13-0.19, p < 0.0001). Visits where opioids were present had ln(tWSA + 1) 0.48 units larger (95% confidence interval 0.38-0.58, p < 0.0001) than visits with no opioid exposure. Using time-to-event analysis, patients who never received opioids healed faster than those who received opioids (log-rank chi-square 11.00, p = 0.0009). Using Cox regression analysis, patients with mean opioid dose >=10 mg were significantly less likely to heal than those with no opioid (HR 0.67 [0.49-0.91], p = 0.011) after adjusting for wound size. Patients with opioid dose >0 to <10 mg had a similar hazard of not healing as those with no opioid exposure (HR 0.88 [0.65-1.19], p = 0.40). In conclusion, opioid analgesics are commonly prescribed to patients with chronic wounds; however, the data presented suggest that opioid exposure is associated with reduced likelihood of healing in patients with chronic wounds. Whether this is a causal relationship will require further study. PMID- 27865037 TI - Short Enantioselective Total Synthesis of Tatanan A and 3-epi-Tatanan A Using Assembly-Line Synthesis. AB - Short and highly stereoselective total syntheses of the sesquilignan natural product tatanan A and its C3 epimer are described. An assembly-line synthesis approach, using iterative lithiation-borylation reactions, was applied to install the three contiguous stereocenters with high enantio- and diastereoselectivity. One of the stereocenters was installed using a configurationally labile lithiated primary benzyl benzoate, resulting in high levels of substrate-controlled (undesired) diastereoselectivity. However, reversal of selectivity was achieved by using a novel diastereoselective Matteson homologation. Stereospecific alkynylation of a hindered secondary benzylic boronic ester enabled completion of the synthesis in a total of eight steps. PMID- 27865038 TI - Modeling protein-protein and protein-peptide complexes: CAPRI 6th edition. AB - We present the sixth report evaluating the performance of methods for predicting the atomic resolution structures of protein complexes offered as targets to the community-wide initiative on the Critical Assessment of Predicted Interactions (CAPRI). The evaluation is based on a total of 20,670 predicted models for 8 protein-peptide complexes, a novel category of targets in CAPRI, and 12 protein protein targets in CAPRI prediction Rounds held during the years 2013-2016. For two of the protein-protein targets, the focus was on the prediction of side-chain conformation and positions of interfacial water molecules. Seven of the protein protein targets were particularly challenging owing to their multicomponent nature, to conformational changes at the binding site, or to a combination of both. Encouragingly, the very large multiprotein complex with the nucleosome was correctly predicted, and correct models were submitted for the protein-peptide targets, but not for some of the challenging protein-protein targets. Models of acceptable quality or better were obtained for 14 of the 20 targets, including medium quality models for 13 targets and high quality models for 8 targets, indicating tangible progress of present-day computational methods in modeling protein complexes with increased accuracy. Our evaluation suggests that the progress stems from better integration of different modeling tools with docking procedures, as well as the use of more sophisticated evolutionary information to score models. Nonetheless, adequate modeling of conformational flexibility in interacting proteins remains an important area with a crucial need for improvement. Proteins 2017; 85:359-377. (c) 2016 Wiley Periodicals, Inc. PMID- 27865039 TI - Alcohol consumption during adolescence is associated with reduced grey matter volumes. AB - BACKGROUND AND AIMS: Cognitive impairment has been associated with excessive alcohol use, but its neural basis is poorly understood. Chronic excessive alcohol use in adolescence may lead to neuronal loss and volumetric changes in the brain. Our objective was to compare the grey matter volumes of heavy- and light-drinking adolescents. DESIGN: This was a longitudinal study: heavy-drinking adolescents without an alcohol use disorder and their light-drinking controls were followed up for 10 years using questionnaires at three time-points. Magnetic resonance imaging was conducted at the last time-point. SETTING: The area near Kuopio University Hospital, Finland. PARTICIPANTS: The 62 participants were aged 22-28 years and included 35 alcohol users and 27 controls who had been followed-up for approximately 10 years. MEASUREMENTS: Alcohol use was measured by the Alcohol Use Disorders Identification Test (AUDIT)-C at three time-points during 10 years. Participants were selected based on their AUDIT-C score. Magnetic resonance imaging was conducted at the last time-point. Grey matter volume was determined and compared between heavy- and light-drinking groups using voxel-based morphometry on three-dimensional T1-weighted magnetic resonance images using predefined regions of interest and a threshold of P < 0.05, with small volume correction applied on cluster level. FINDINGS: Grey matter volumes were significantly smaller among heavy-drinking participants in the bilateral anterior cingulate cortex, right orbitofrontal and frontopolar cortex, right superior temporal gyrus and right insular cortex compared to the control group (P < 0.05, family-wise error-corrected cluster level). CONCLUSIONS: Excessive alcohol use during adolescence appears to be associated with an abnormal development of the brain grey matter. Moreover, the structural changes detected in the insula of alcohol users may reflect a reduced sensitivity to alcohol's negative subjective effects. PMID- 27865041 TI - Self-Powered Multimodal Temperature and Force Sensor Based-On a Liquid Droplet. AB - Herein we report a self-powered multimodal temperature and force sensor based on the reverse electrowetting effect and the thermogalvanic effect in a liquid droplet. The deformation of the droplet and the temperature difference across the droplet can induce an alternating pulse voltage and a direct voltage, respectively, which is easy to separate/analyze and can be utilized to sense the external force and temperature simultaneously. In addition, an integral display system that can derive information from external temperature/force concurrently is constructed. Combined with advantages of excellent sensing properties and a simple structure, the droplet sensor has promising applications in a wide range of intelligent electronics. PMID- 27865042 TI - Dopant-Catalyzed Singlet Exciton Fission. AB - In acene-based molecular crystals, singlet exciton fission occurs through superexchange mediated by two virtual charge-transfer states. Hence, it is sensitive to their energies, which depend on the local environment. The crucial point is the balance between the charge-quadrupole interactions within the pair of molecules directly involved in the process and those with the surrounding crystal matrix, which are governed by local symmetry and may be influenced by breaking this symmetry. This happens, for example, in the vicinity of a vacancy or an impurity and in the latter case is complemented by polarization energy and potentially by dipolar contributions. Our model calculations indicate that the superexchange coupling is sensitive enough to these factors to enable fission to be catalyzed by judiciously designed dopant molecules. In favorable cases, dipolar dopants are expected to increase the fission rate by an order of magnitude. PMID- 27865040 TI - Psychological Outcomes of Living Liver Donors From a Multicenter Prospective Study: Results From the Adult-to-Adult Living Donor Liver Transplantation Cohort Study2 (A2ALL-2). AB - Although single-center and cross-sectional studies have suggested a modest impact of liver donation on donor psychological well-being, few studies have assessed these outcomes prospectively among a large cohort. We conducted one of the largest, prospective, multicenter studies of psychological outcomes in living liver donors within the Adult-to-Adult Living Donor Liver Transplantation Cohort Study2 (A2ALL-2) consortium. In total, 271 (91%) of 297 eligible donors were interviewed at least once before donation and at 3, 6, 12, and 24 mo after donation using validated measures. We found that living liver donors reported low rates of major depressive (0-3%), alcohol abuse (2-5%), and anxiety syndromes (2 3%) at any given assessment in their first 2 years after donation. Between 4.7% and 9.6% of donors reported impaired mental well-being at various time points. We identified significant predictors for donors' perceptions of being better people and experiencing psychological growth following donation, including age, sex, relationship to recipient, ambivalence and motivation regarding donation, and feeling that donation would make life more worthwhile. Our results highlight the need for close psychosocial monitoring for those donors whose recipients died (n=27); some of those donors experienced guilt and concerns about responsibility. Careful screening and targeted, data-driven follow-up hold promise for optimizing psychological outcomes following this procedure for potentially vulnerable donors. PMID- 27865043 TI - Self-Sorting of Two Hydrocarbon Receptors with One Carbonaceous Ligand. AB - Non-directional van der Waals forces in biological and synthetic supramolecular systems play important roles in molecular assembly, particularly in determining the distances of the interacting species. The van der Waals forces are normally used in combination with other directional forces and are considered to play a secondary role in achieving specificity and fidelity in molecular recognition. Using an ideal supramolecular system consisting solely of hydrogen and carbon atoms, we found that the van der Waals interactions enable the high-fidelity sorting of two homomeric receptors during ligand-induced assembly. The self sorting occurred in a narcissistic manner by repulsion of a competing diastereoisomeric receptor from the assembly. The structure-sorting relationship study with enantiomers further revealed the dominant role of the van der Waals forces in shape recognition for high-fidelity self-sorting. PMID- 27865044 TI - Cyclo(RGD)-Decorated Reduction-Responsive Nanogels Mediate Targeted Chemotherapy of Integrin Overexpressing Human Glioblastoma In Vivo. AB - Cyclo(Arg-Gly-Asp) peptide (cRGD) decorated disulfide (SS) containing poly(vinyl alcohol) nanogels (cRGD-SS-NGs) with an average diameter of 142 nm prepared by inverse nanoprecipitation, "click" reaction, and cRGD conjugation are developed for targeted treatment of integrin overexpressing human glioblastoma in vivo. Doxorubicin (DOX) release from cRGD-SS-NGs is highly inhibited under physiological conditions, while accelerated at endosomal pH and in response to cytoplasmic concentration of glutathione. Confocal microscopy shows that cRGD-SS NGs facilitate the cellular uptake and intracellular DOX release in alphav beta3 integrin overexpressing human glioblastoma U87-MG cells. DOX-loaded cRGD-SS-NGs present much better killing activity toward U87-MG cells than that for nontargeted nanogels determined by MTT assay. The in vivo imaging and biodistribution studies reveal that DOX-loaded cRGD-SS-NGs have a much better tumor targetability toward human U87-MG glioblastoma xenograft in nude mice. Also the tumor growth is effectively inhibited by treatment with DOX-loaded cRGD-SS NGs, while continuous tumor growth is observed for mice treated with nondecorated nanogels as well as free DOX. Furthermore, the treatment with DOX-loaded cRGD-SS NGs has much fewer side effects, rendering these nanogels as a new platform for cancer chemotherapy in vivo. PMID- 27865046 TI - Functional Proteins from Short Peptides: Dayhoff's Hypothesis Turns 50. AB - First and foremost: Margaret Dayhoff's 1966 hypothesis on the origin of proteins is now an accepted model for the emergence of large, globular, functional proteins from short, simple peptides. However, the fundamental question of how the first protein(s) emerged still stands. The tools and hypotheses pioneered by Dayhoff, and the over 65 million protein sequences and 12 000 structures known today, enable those who follow in her footsteps to address this question. PMID- 27865047 TI - Carbon lost and carbon gained: a study of vegetation and carbon trade-offs among diverse land uses in Phoenix, Arizona. AB - Human modification and management of urban landscapes drastically alters vegetation and soils, thereby altering carbon (C) storage and rates of net primary productivity (NPP). Complex social and ecological processes drive vegetation cover in cities, leading to heterogeneity in C dynamics depending on regional climate, land use, and land cover. Recent work has demonstrated homogenization in ecological processes within human-dominated landscapes (the urban convergence hypothesis) in soils and biotic communities. However, a lack of information on vegetation in arid land cities has hindered an understanding of potential C storage and NPP convergence across a diversity of ecosystem types. We estimated C storage and NPP of trees and shrubs for six different land-use types in the arid metropolis of Phoenix, Arizona, USA, and compared those results to native desert ecosystems, as well as other urban and natural systems around the world. Results from Phoenix do not support the convergence hypothesis. In particular, C storage in urban trees and shrubs was 42% of that found in desert vegetation, while NPP was only 20% of the total NPP estimated for comparable natural ecosystems. Furthermore, the overall estimates of C storage and NPP associated with urban trees in the CAP ecosystem were much lower (8-63%) than the other cities included in this analysis. We also found that C storage (175.25 388.94 g/m2 ) and NPP (8.07-15.99 g.m-2 .yr-1 ) were dominated by trees in the urban residential land uses, while in the desert, shrubs were the primary source for pools (183.65 g/m2 ) and fluxes (6.51 g.m-2 .yr-1 ). These results indicate a trade-off between shrubs and trees in arid ecosystems, with shrubs playing a major role in overall C storage and NPP in deserts and trees serving as the dominant C pool in cities. Our research supports current literature that calls for the development of spatially explicit and standardized methods for analyzing C dynamics associated with vegetation in urbanizing areas. PMID- 27865045 TI - High KRT8 expression promotes tumor progression and metastasis of gastric cancer. AB - Keratin8 (KRT8) is the major component of the intermediate filament cytoskeleton and predominantly expressed in simple epithelial tissues. Aberrant expression of KRT8 is associated with multiple tumor progression and metastasis. However, the role of KRT8 in gastric cancer (GC) remains unclear. In this study, KRT8 expression was investigated and it was found to be upregulated along with human GC progression and metastasis at both mRNA and protein levels in human gastric cancer tissues. In addition, KRT8 overexpression enhanced the proliferation and migration of human gastric cancer cells, whereas the knock-down of KRT8 by siRNA only inhibited migration of human gastric cancer cells. Integrinbeta1-FAK-induced epithelial-mesenchymal-transition (EMT) only existed in the high KRT8 cells. Furthermore, KRT8 overexpression led to increase in p-smad2/3 levels and TGFbeta dependent signaling events. KRT8 expression in GC was related to tumor clinical stage and worse survival. Kaplan-Meier analysis proved that KRT8 was associated with overall survival of patients with GC that patients with high KRT8 expression tend to have unfavorable outcome. Moreover, Cox's proportional hazards analysis showed that high KRT8 expression was a prognostic marker of poor outcome. These results provided that KRT8 expression may therefore be a biomarker or potential therapeutic target to identify patients with worse survival. PMID- 27865048 TI - Neuroligin 2 nonsense variant associated with anxiety, autism, intellectual disability, hyperphagia, and obesity. AB - Neuroligins are post-synaptic, cellular adhesion molecules implicated in synaptic formation and function. NLGN2 is strongly linked to inhibitory, GABAergic signaling and is crucial for maintaining the excitation-inhibition balance in the brain. Disruption of the excitation-inhibition balance is associated with neuropsychiatric disease. In animal models, altered NLGN2 expression causes anxiety, developmental delay, motor discoordination, social impairment, aggression, and sensory processing defects. In humans, mutations in NLGN3 and NLGN4 are linked to autism and schizophrenia; NLGN2 missense variants are implicated in schizophrenia. Copy number variants encompassing NLGN2 on 17p13.1 are associated with autism, intellectual disability, metabolic syndrome, diabetes, and dysmorphic features, but an isolated NLGN2 nonsense variant has not yet been described in humans. Here, we describe a 15-year-old male with severe anxiety, obsessive-compulsive behaviors, developmental delay, autism, obesity, macrocephaly, and some dysmorphic features. Exome sequencing identified a heterozygous, de novo, c.441C>A p.(Tyr147Ter) variant in NLGN2 that is predicted to cause loss of normal protein function. This is the first report of an NLGN2 nonsense variant in humans, adding to the accumulating evidence that links synaptic proteins with a spectrum of neurodevelopmental phenotypes. (c) 2016 Wiley Periodicals, Inc. PMID- 27865049 TI - Hollow Nanotubes of N-Doped Carbon on CoS. AB - Low-cost, single-step synthesis of hollow nanotubes of N-doped carbon deposited on CoS is enabled by the simultaneous use of three functionalities of polyacrylonitrite (PAN) nanofibers: 1) a substrate for loading active materials, 2) a sacrificial template for creating hollow tubular structures, and 3) a precursor for in situ nitrogen doping. The N-doped carbon in hollow tubes of CoS provides a high-capacity anode of long cycle life for a rechargeable Li-ion or Na ion battery cell that undergoes the conversion reaction 2 A+ +2 e- +CoS ->Co+A2 S with A=Li or Na. PMID- 27865051 TI - The Role of Entropy in Nanoparticle Agglomeration. AB - Agglomeration processes in non-interacting particle systems can be understood from a thermodynamic point of view. If the enthalpy of agglomeration is negligible, the distribution of agglomeration states adopts the state of highest entropy. Herein, we provide the exact analytical solution to the mole fractions of agglomerates comprising i monomers, xi =2-i . PMID- 27865050 TI - NMR Spectroscopic Assignment of Backbone and Side-Chain Protons in Fully Protonated Proteins: Microcrystals, Sedimented Assemblies, and Amyloid Fibrils. AB - We demonstrate sensitive detection of alpha protons of fully protonated proteins by solid-state NMR spectroscopy with 100-111 kHz magic-angle spinning (MAS). The excellent resolution in the Calpha-Halpha plane is demonstrated for 5 proteins, including microcrystals, a sedimented complex, a capsid and amyloid fibrils. A set of 3D spectra based on a Calpha-Halpha detection block was developed and applied for the sequence-specific backbone and aliphatic side-chain resonance assignment using only 500 MUg of sample. These developments accelerate structural studies of biomolecular assemblies available in submilligram quantities without the need of protein deuteration. PMID- 27865052 TI - Retention in care and reasons for discontinuation of lifelong antiretroviral therapy in a cohort of Cameroonian pregnant and breastfeeding HIV-positive women initiating 'Option B+' in the South West Region. AB - OBJECTIVE: To assess linkage and retention in care along the PMTCT cascade in HIV positive pregnant and breastfeeding women initiating Option B+ in Cameroon. METHODS: We prospectively determined uptake of HIV testing and counselling (HTC), uptake of ART and retention in care after Option B+ initiation between October 2013 and December 2014 in pregnant and breastfeeding women from five sites within the Kumba Health District. Retention in care was assessed over at least 12 months follow-up and estimated by Kaplan-Meier analysis. During follow-up, tracing outcomes and reasons for discontinuing treatment were documented. RESULTS: The uptake of HTC of 5813 women with unknown HIV status was 98.5%, 251 (4.4%) were newly diagnosed HIV positive, and ART uptake in women eligible to start Option B+ was 96.8%. We enrolled 268 women initiating lifelong ART in the follow-up. Overall, 65 (24.3%) discontinued treatment, either defined by loss to follow-up (44.6%) or actively stopped treatment (55.8%). Retention in care was 88.0% and 81.1% at 6 and 12 months, respectively. Discontinuation was significantly associated in multivariate analysis with small sites and high staff turnover [aOR 2.5 (95% CI 1.6, 3.9), P < 0.001]. Main reasons for stopping treatment were HIV status denial and stigma (52.8%), religious reasons (25.0%) and lack of transport fare (11.1%). CONCLUSION: We observed good uptake of HTC, ART and retention in care, which declined over time. Discontinuation of Option B+ was highest at small sites with a high staff turnover. Improved staffing, adequate task shifting and community interventions to track defaulters including reducing stigma and religious beliefs may improve Option B+ retention. PMID- 27865053 TI - Neural progenitor cells and their role in the development and evolutionary expansion of the neocortex. AB - The evolutionary expansion of the mammalian brain, notably the neocortex, provides a platform for the higher cognitive abilities that characterize humans. Cortical expansion is accompanied by increased folding of the pial surface, which gives rise to a gyrencephalic (folded) rather than lissencephalic (unfolded) neocortex. This expansion reflects the prolonged and increased proliferation of neural stem and progenitor cells (NPCs). Distinct classes of NPCs can be distinguished based on either cell biological criteria (apical progenitors [APs], basal progenitors [BPs]) or lineage (primary progenitors and secondary progenitors). Cortical expansion in development and evolution is linked to an increased abundance and proliferative capacity of BPs, notably basal radial glial cells, a recently characterized type of secondary progenitor derived from apical radial glial cells, the primary progenitors. To gain insight into the molecular basis underlying the prolonged and increased proliferation of NPCs and in particular BPs, comparative genomic and transcriptomic approaches, mostly for human versus mouse, have been employed and applied to specific NPC types and subpopulations. These have revealed two principal sets of molecular changes. One concerns differences in the expression of common genes between species with different degrees of cortical expansion. The other comprises human-specific genes or genomic regulatory sequences. Various systems that allow functional testing of these genomic and gene expression differences between species have emerged, including transient and stable transgenesis, genome editing, cerebral organoids, and organotypic slice cultures. These provide future avenues for uncovering the molecular basis of cortical expansion. WIREs Dev Biol 2017, 6:e256. doi: 10.1002/wdev.256 For further resources related to this article, please visit the WIREs website. PMID- 27865055 TI - Relationship between healthy lifestyle behaviors and health locus of control and health-specific self-efficacy in university students. AB - AIM: To investigate the relationship between the healthy lifestyle behaviors and the health locus of control and health-specific self-efficacy in university students. METHODS: The study included 572 undergraduate students of a university in the central Anatolia region of Turkey. The data were collected with the General Characteristics Form, the Health-Promoting Lifestyle Profile II, the Multidimensional Health Locus of Control Scale, and the Perceived Health Competence Scale and investigated with the structural equation model. RESULTS: Health-specific self-efficacy was an important predictor of healthy lifestyle behaviors. The Internal health locus of control influenced the healthy lifestyle behaviors through health-specific self-efficacy. The other dimension was the Powerful Others health locus of control that affected healthy lifestyle behaviors, both directly and indirectly, through health-specific self-efficacy. There was a chance that the health locus of control had a negative effect on healthy lifestyle behaviors through self-efficacy. CONCLUSION: Health-specific self-efficacy is an important prerequisite for changes in healthy lifestyle behaviors, which supports Pender's model. The subscales of the health locus of control vary in their effects on healthy lifestyle behaviors, which partly supports Pender's model. Nurses, by using this model, can examine ways of improving these cognitive-perceptual factors and implement health education programs that are directed towards improving them in young persons. PMID- 27865054 TI - Biodistribution of Carbon Nanotubes in Animal Models. AB - The many interesting physical and chemical properties of carbon nanotubes (CNT) make it one of the most commercially attractive materials in the era of nanotechnology. Here, we review the recent publications on in vivo biodistribution of pristine and functionalized forms of single-walled and multi walled CNT. Pristine CNT remain in the lung for months or even years after pulmonary deposition. If cleared, the majority of CNT move to the gastrointestinal (GI) tract via the mucociliary escalator. However, there appears to be no uptake of CNT from the GI tract, with a possible exception of the smallest functionalized SWCNT. Importantly, a significant fraction of CNT translocate from the alveolar space to the near pulmonary region including lymph nodes, subpleura and pleura (<7% of the pulmonary deposited dose) and to distal organs including liver, spleen and bone marrow (~1%). These results clearly demonstrate the main sites of long-term CNT accumulation, which also includes pleura, a major site for fibre-induced pulmonary diseases. Studies on intravenous injection show that CNT in blood circulation are cleared relatively fast with a half-life of minutes or hours. The major target organs were the same as identified after pulmonary exposure with the exception of urine excretion of especially functionalized SWCNT and accumulation in lung tissue. Overall, there is evidence that CNT will primarily be distributed to the liver where they appear to be present at least one year after exposure. PMID- 27865056 TI - The caspase-activated DNase: apoptosis and beyond. AB - Organismal development and function requires multiple and accurate signal transduction pathways to ensure that proper balance between cell proliferation, differentiation, inactivation, and death is achieved. Cell death via apoptotic caspase signal transduction is extensively characterized and integral to this balance. Importantly, the view of apoptotic signal transduction has expanded over the previous decades. Subapoptotic caspase signaling has surfaced as mechanism that can promote the adoption of a range of cellular fates. An emerging mechanism of subapoptotic caspase signaling is the activation of the caspase-activated DNase (CAD) through controlled cleavage of the inhibitor of CAD (ICAD). CAD induced DNA breaks incite a DNA damage response, frequently invoking p53 signaling, that transduces a change in cell fate. Cell differentiation and senescence are fates demonstrated to arise from CAD-induced DNA breaks. Furthermore, an apparent consequence of CAD activity is also emerging, as a potential source of oncogenic mutations. This review will discuss the mechanisms underlying CAD-induced DNA breaks and highlight how CAD activity promotes diverse cell fates. PMID- 27865057 TI - Insulin resistance and its association with catch-up growth in Chinese children born small for gestational age. AB - OBJECTIVE: To assess insulin resistance and beta-cell function from birth to age 4 years and to examine their associations with catch-up growth (CUG) in Chinese small-for-gestational-age (SGA) children. METHODS: Weight and height were measured yearly from birth to age 4 years, and transformed into age- and gender adjusted SD scores. Fasting serum insulin and glucose were measured, and fasting insulin resistance and beta-cell function were estimated using the homeostasis model assessment (HOMA). RESULTS: The mean HOMA-IR of the SGA group was significantly lower than that of the appropriate-for-gestational-age (AGA) group at ages 2 and 3 years old, and the mean HOMA% of the SGA group was significantly lower than that of the AGA group at age 4 years old. At 4 years of age, HOMA for insulin resistance was positively correlated with the height gain and SD of height gain between 0 and 5 months, and HOMA% was positively correlated with the weight gain and SD of weight gain between 6 and 12 months in SGA children. CONCLUSIONS: SGA children with CUG show a greater propensity to develop insulin resistance than AGA children between ages 2 and 4 years old. HOMA parameters are related to CUG in the first year of life. PMID- 27865058 TI - Ischemia modified albumin concentrations in patients with rheumatoid arthritis. PMID- 27865059 TI - Synergistic Effect of Cobalt and Iron in Layered Double Hydroxide Catalysts for the Oxygen Evolution Reaction. AB - Co-based layered double hydroxide (LDH) catalysts with Fe and Al contents in the range of 15 to 45 at % were synthesized by an efficient coprecipitation method. In these catalysts, Fe3+ or Al3+ ions play an essential role as trivalent species to stabilize the LDH structure. The obtained catalysts were characterized by a comprehensive combination of surface- and bulk-sensitive techniques and were evaluated for the oxygen evolution reaction (OER) on rotating disk electrodes. The OER activity decreased upon increasing the Al content for the Co- and Al based LDH catalysts, whereas a synergistic effect in Co- and Fe-based LDHs was observed, which resulted in an optimal Fe content of 35 at %. This catalyst was spray-coated on Ni foam electrodes and showed very good stability in a flow through cell with a potential of approximately 1.53 V at 10 mA cm-2 in 1 m KOH for at least 48 h. PMID- 27865060 TI - Reducing variation in feeding newborns with congenital heart disease. AB - OBJECTIVE: Enteral feeding is associated with decreased infection rates, decreased mechanical ventilation, decreased hospital length of stay, and improved wound healing. Enteral feeding difficulties are common in congenital heart disease. Our objective was to develop experience-based newborn feeding guidelines for the initiation and advancement of enteral feeding in the cardiothoracic intensive care unit. DESIGN: This is a retrospective analysis of a quality improvement project. SETTING: This quality improvement project was performed in a cardiothoracic intensive care unit. PATIENTS: Newborns admitted to the cardiothoracic intensive care unit for cardiac surgery from January 2011 to May 2015 were retrospectively reviewed. INTERVENTION: Newborn feeding guidelines for the initiation and advancement of enteral feeding were implemented in January 2012. OUTCOME MEASURES: Guideline compliance and clinical variables before and after guideline implementation were reviewed. RESULTS: Compliance with the guidelines increased from 83% in 2012 to 100% in the first two quarters of 2015. Preguidelines (January 2011-December 2011): 45 newborns underwent cardiac surgery; 8 deaths prior to discharge; 1 patient discharged from NICU, therefore, N = 36. Postguidelines (January 2012-May 2015): 131 newborns with 12 deaths, 12 admitted from home, 8 in the NICU, 3 on the floor preop, and 3 back transferred, therefore, N = 93. No difference in feeding preop (post 75% vs pre 69%; P = .5) or full po feeds at discharge (post 78% vs pre 89%; P = .2). Mesenteric ischemia was not statistically different postguidelines (post 6% vs pre 14%; P = .14). Length of hospital stay decreased postguidelines (post 27 + 17 d vs pre 34 + 42 d; P < .001). CONCLUSIONS: Implementation of experience-based newborn feeding guidelines for initiation and advancement of enteral feeding in the cardiothoracic intensive care unit was successful in reducing practice variation supported by increasing guideline compliance. Percentage of patient's full oral feeding at discharge did not change. Length of hospital stay was reduced although cannot be fully attributed to feeding guideline implementation. PMID- 27865061 TI - Setting spatial conservation priorities despite incomplete data for characterizing metapopulations. AB - Management of spatially structured species poses unique challenges. Despite a strong theoretical foundation, practitioners rarely have sufficient empirical data to evaluate how populations interact. Rather, assumptions about connectivity and source-sink dynamics are often based on incomplete, extrapolated, or modeled data, if such interactions are even considered at all. Therefore, it has been difficult to evaluate whether spatially structured species are meeting conservation goals. We evaluated how estimated metapopulation structure responded to estimates of population sizes and dispersal probabilities and to the set of populations included. We then compared outcomes of alternative management strategies that target conservation of metapopulation processes. We illustrated these concepts for Chinook salmon (Oncorhynchus tshawytscha) in the Snake River, USA. Our description of spatial structure for this metapopulation was consistent with previous characterizations. We found substantial differences in estimated metapopulation structure when we had incomplete information about all populations and when we used different sources of data (three empirical, two modeled) to estimate dispersal, whereas responses to population size estimates were more consistent. Together, these findings suggest that monitoring efforts should target all populations occasionally and populations that play key roles frequently and that multiple types of data should be collected when feasible. When empirical data are incomplete or of uneven quality, analyses using estimates produced from an ensemble of available datasets can help conservation planners and managers weigh near-term options. Doing so, we found trade-offs in connectivity and source dominance in metapopulation-level responses to alternative management strategies that suggest which types of approaches may be inherently less risky. PMID- 27865062 TI - Endoscopic nasopharyngectomy in recurrent nasopharyngeal carcinoma: a case series, literature review, and pooled analysis. AB - BACKGROUND: To critically evaluate the use of endoscopic nasopharyngectomy in the treatment of recurrent nasopharyngeal carcinoma (NPC) through a case series, systematic literature review, and pooled analysis. METHODS: A case series of 18 patients combined with systematic literature review and pooled analysis of PubMed, Web of Science, and Scopus search, identifying 576 papers. After excluding 307 papers as search engine duplicates, only 16 of the remaining papers had adequate patient data to be included. RESULTS: Our case series of 18 patients had a 2-year disease-free survival (DFS) and overall survival (OS) of 90.0% and 100%, respectively. The pooled analysis of 300 patients that had an endoscopic resection of recurrent NPC showed recurrence-free survival and overall survival were 85.8% and 82.9%, respectively. Most, 56.1%, were recurrent T1 lesions. Resection margins were negative in 90.2% of patients. Local recurrence occurred in 20.1% of patients. Major complications occurred in 13.6% of patients. The mean hospital stay was 5.8 days, the mean operating time was 228.3 minutes, and the mean operative blood loss was 163 mL. CONCLUSION: Endoscopic resection of recurrent NPC occurs with low surgical morbidity. However, further long-term evaluation with longer follow-up data is needed to evaluate if the survival data is comparable or better than open approaches. PMID- 27865063 TI - Face, content, and construct validation of a low-cost, non-biologic, sinus surgery task trainer and knowledge-based curriculum. AB - BACKGROUND: The purpose of this study was to evaluate face and content validity of a low-cost, low-technology, non-biologic endoscopic sinus surgery (ESS) task trainer and knowledge-based curriculum followed by construct validation of the task trainer. METHODS: A sinus surgery task trainer and curriculum were developed. Attending otolaryngologists were surveyed regarding the utility of the task trainer and curriculum. A cross-sectional construct validation study was performed including medical students, residents, and attending otolaryngologists. Nine tasks were performed on the task trainer and graded using a global rating scale (GRS). Predictors of task trainer performance were evaluated, and spatial performance was measured. Regression analyses were performed to assess main associations. RESULTS: All attending physicians (n = 7) agreed that the task trainer accelerates the learning curve and incorporates essential ESS techniques and that the knowledge-based curriculum describes anatomical and technical knowledge germane to ESS. Twelve medical students, 9 otolaryngology residents, and 5 attending otolaryngologists completed task trainer testing. GRS score varied by level of training after adjusting for potential confounders (slope = 2.63; p = 0.001). There was evidence of an association between a history of video gaming (slope = 1.33; p = 0.077), sports experience (slope = 2.08; p = 0.033), and sinus surgery simulation (slope = 2.72; p = 0.023) with GRS score, although not statistically significant. CONCLUSION: This study demonstrated validity of a knowledge-based sinus surgery curriculum and low-cost, sinus task trainer supporting use in early training. Participants with prior video gaming, sports participation, and sinus surgery simulation experience perform better at baseline on the task trainer. PMID- 27865064 TI - Estimating vaccine effectiveness in preventing laboratory-confirmed influenza in outpatient settings in South Africa, 2015. AB - Trivalent seasonal influenza vaccine effectiveness during the 2015 season in South Africa was assessed using a test-negative case control study design. Influenza A(H1N1)pdm09 was the dominant circulating strain. Overall influenza vaccine coverage was 3.2% (29/899). The vaccine effectiveness estimate, against any influenza virus infection, adjusted for age, underlying conditions and timing within season was 46.2% (95% CI: -23.5 to 76.5), and 53.6% (95% CI: -62.6 to 80.3) against influenza A(H1N1)pdm09. PMID- 27865065 TI - How do we recognize the child with OSAS? AB - Obstructive sleep-disordered breathing includes a spectrum of clinical entities with variable severity ranging from primary snoring to obstructive sleep apnea syndrome (OSAS). The clinical suspicion for OSAS is most often raised by parental report of specific symptoms and/or abnormalities identified by the physical examination which predispose to upper airway obstruction (e.g., adenotonsillar hypertrophy, obesity, craniofacial abnormalities, neuromuscular disorders). Symptoms and signs of OSAS are classified into those directly related to the intermittent pharyngeal airway obstruction (e.g., parental report of snoring, apneic events) and into morbidity resulting from the upper airway obstruction (e.g., increased daytime sleepiness, hyperactivity, poor school performance, inadequate somatic growth rate or enuresis). History of premature birth and a family history of OSAS as well as obesity and African American ethnicity are associated with increased risk of sleep-disordered breathing in childhood. Polysomnography is the gold standard method for the diagnosis of OSAS but may not be always feasible, especially in low-income countries or non-tertiary hospitals. Nocturnal oximetry and/or sleep questionnaires may be used to identify the child at high risk of OSAS when polysomnography is not an option. Endoscopy and MRI of the upper airway may help to identify the level(s) of upper airway obstruction and to evaluate the dynamic mechanics of the upper airway, especially in children with combined abnormalities. Pediatr Pulmonol. 2017;52:260-271. (c) 2016 Wiley Periodicals, Inc. PMID- 27865067 TI - Laminin-modified and aligned poly(3-hydroxybutyrate-co-3 hydroxyvalerate)/polyethylene oxide nanofibrous nerve conduits promote peripheral nerve regeneration. AB - Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) has received much attention for its biodegradability and biocompatibility, characteristics that are required in tissue engineering. In this study, polyethylene oxide (PEO)-incorporated PHBV nanofibres with random or aligned orientation were obtained by electrospinning. For further use in vivo, the nanofibre films were made into nerve conduits after treatment with NH3 plasma, which could improve the hydrophilicity of inner surfaces of nerve conduits and then facilitate laminin adsorption via electrostatic interaction for promoting cell adhesion and proliferation. Morphology of the surfaces of modified PHBV/PEO nanofibrous scaffolds were examined by scanning electron microscopy. Schwann cell viability assay was conducted and the results confirmed that the functionalized nanofibres were favourable for cell growth. Morphology of Schwann cells cultured on scaffolds showed that aligned nanofibrous scaffolds provided topographical guidance for cell orientation and elongation. Furthermore, three-dimensional PHBV/PEO nerve conduits made from aligned and random-oriented nanofibres were implanted into 12 mm transected sciatic nerve rat model and subsequent analysis were conducted at 1 and 2 months postsurgery. The above functionalized PHBV/PEO scaffolds provide a novel and promising platform for peripheral nerve regeneration. Copyright (c) 2016 John Wiley & Sons, Ltd. PMID- 27865066 TI - Newly synthesized cAMP is integrated at a membrane protein complex signalosome to ensure receptor response specificity. AB - Spatiotemporal regulation of cAMP within the cell is required to achieve receptor specific responses. The mechanism through which the cell selects a specific response to newly synthesized cAMP is not fully understood. In hepatocyte plasma membranes, we identified two functional and independent cAMP-responsive signaling protein macrocomplexes that produce, use, degrade, and regulate their own nondiffusible (sequestered) cAMP pool to achieve their specific responses. Each complex responds to the stimulation of an adenosine G protein-coupled receptor (Ado-GPCR), bound to either A2A or A2B , but not simultaneously to both. Each isoprotein involved in each signaling cascade was identified by measuring changes in cAMP levels after receptor activation, and its participation was confirmed by antibody-mediated inactivation. A2A -Ado-GPCR selective stimulation activates adenylyl cyclase 6 (AC6), which is bound to AKAP79/150, to synthesize cAMP which is used by two other AKAP79/150-tethered proteins: protein kinase A (PKA) and phosphodiesterase 3A (PDE3A). In contrast, A2B -Ado-GPCR stimulation activates D AKAP2-attached AC5 to generate cAMP, which is channeled to two other D-AKAP2 tethered proteins: guanine-nucleotide exchange factor 2 (Epac2) and PDE3B. In both cases, prior activation of PKA or Epac2 with selective cAMP analogs prevents de novo cAMP synthesis. In addition, we show that cAMP does not diffuse between these protein macrocomplexes or 'signalosomes'. Evidence of coimmunoprecipitation and colocalization of some proteins belonging to each signalosome is presented. Each signalosome constitutes a minimal functional signaling unit with its own machinery to synthesize and regulate a sequestered cAMP pool. Thus, each signalosome is devoted to ensure the transmission of a unique and unequivocal message through the cell. PMID- 27865068 TI - Come one, come all...the sooner the better! PMID- 27865069 TI - Investing in our future: Update on the SCAI Emerging Leader Mentorship (ELM) Program. PMID- 27865070 TI - The newly occluded ectatic vessel: Not an ecstatic time. PMID- 27865071 TI - Routine invasive evaluation in non ST elevation myocardial infarction (NSTEMI ACS): Optimizing best. PMID- 27865072 TI - Long-term outcomes of the SMART stent in femoro-popliteal disease in TASC A/B lesions and TASC C/D lesions. PMID- 27865073 TI - STEMI with multivessel disease: An ongoing battle for the optimal treatment strategy. PMID- 27865074 TI - Hybrid transcatheter pulmonary valve replacement: Moving into the mainstream? PMID- 27865075 TI - Does the AToMIC trial explode concerns of contrast coagulopathy? PMID- 27865076 TI - Thrombus aspiration: Suck it up and keep looking for a niche. PMID- 27865077 TI - Renal sympathetic denervation: Recalculating.... PMID- 27865078 TI - Carotid artery stenting: Avoiding the perfect storm. PMID- 27865081 TI - [Editorial. WHO Strategic Directions for Strengthening Nursing from now until 2020.] PMID- 27865080 TI - Cell death-independent activities of the death receptors CD95, TRAILR1, and TRAILR2. AB - Since their identification more than 20 years ago, the death receptors CD95, TRAILR1, and TRAILR2 have been intensively studied with respect to their cell death-inducing activities. These receptors, however, can also trigger a variety of cell death-independent cellular responses reaching from the activation of proinflammatory gene transcription programs over the stimulation of proliferation and differentiation to induction of cell migration. The cell death-inducing signaling mechanisms of CD95 and the TRAIL death receptors are well understood. In contrast, despite the increasing recognition of the biological and pathophysiological relevance of the cell death-independent activities of CD95, TRAILR1, and TRAILR2, the corresponding signaling mechanisms are less understood and give no fully coherent picture. This review is focused on the cell death independent activities of CD95 and the TRAIL death receptors and addresses mainly three questions: (a) how are these receptors linked to noncell death pathways at the molecular level, (b) which factors determine the balance of cell death and cell death-independent activities of CD95 and the TRAIL death receptors at the cellular level, and (c) what are the consequences of the cell death-independent functions of these receptors for their role in cancer and inflammatory diseases. PMID- 27865079 TI - Blood flow evaluation using PINPOINT(r) in a case of incarcerated inguinal hernia: A case report. AB - Indocyanine green (ICG) fluorescence for intestinal blood flow has been reported, but application during laparoscopic surgery for incarcerated inguinal hernia has not been reported. Here, we report the case of a patient with an incarcerated inguinal hernia in whom the bowel was preserved after evaluation of intestinal blood flow with ICG fluorescence using PINPOINT(r), a brightfield full-color, near-infrared fluorescence camera. A man in his 80s was diagnosed with incarcerated inguinal hernia and underwent laparoscopic surgery. The ascending colon and mesentery showed deep red discoloration on gross evaluation. However, intravenous injection of ICG revealed uniform fluorescence of the mesentery and bowel wall, indicating the absence of irreversible ischemic changes of the bowel. As such, no resection was performed, and transabdominal preperitoneal patch plasty was completed. The patient had a good postoperative course. In this case, ICG fluorescence with the PINPOINT was useful to avoid bowel resection during laparoscopic surgery. PMID- 27865082 TI - [Nutritional self-care promotion in community-dwelling older people: a protocol of mixed method research]. AB - AIM: To describe a research protocol designed to promote nutritional self-care in older people. The aims of the research are: a) to evaluate the effectiveness of a nutritional education intervention in changing knowledge, attitudes, and behaviors; b) to describe the nutritional self-care ability and activities; c) to identify the promoting factors and barriers that influence the changes in nutritional knowledge, behaviors and attitudes in home-dwelling older people. METHOD: Sequential explanatory mixed method design. The study will enroll 50 people aged 65 years and over. In the first quantitative phase, a pre-test and post-test design will be used to deliver a nutritional intervention aimed to change knowledge, behaviors and attitudes toward nutrition. Using the quantitative study results, the qualitative study phase will be conducted by interviews in sub-groups of older people. In a third phase, the quantitative and qualitative study results will be integrated. Quantitative data will be analyzed using descriptive and inferential statistics and qualitative data will be analyzed through content analysis. RESULTS: The study will provide new knowledge on nutritional self-care in home-dwelling older adults and the factors promoting nutritional self-care. CONCLUSIONS: Nutritional self-care promotion is of pivotal importance for the nursing care provided to home-dwelling older people. Educational programs aimed at the maintenance of proper nutrition in the older adults may reduce malnutrition and the related diseases. Nutrition educational programs should be based on knowledge derived from research to tailor individualized nutritional interventions and to realize effective educational programs. PMID- 27865083 TI - [Shared decision making: a scoping review]. AB - AIM: This research aimed to explore the literature regarding the model of the Shared Decision Making (SDM) in the field of nursing. METHOD: A scoping review was conducted. The electronic literature research was made on Medline, CINAHL, The Cochrane Library, Google Scholar, using a combination of key words: "Decision Making", "Shared Decision Making", "Nursing", "Nursing Patient relationship". The review was carried out following the Levac model. RESULTS: 29 studies were included, in a time range between 1972 and 2015. The analysis identifies the main characteristics of the SDM model, the tools for its implementation, the patients experience, the fields of application and the integration among SDM e evidence based practice. CONCLUSION: the analysis showed that the Shared Decision Making model is not widespread, especially in the Italian context. This phenomenon could be explained by three fundamental aspects. The concept is not widely disseminated and full scientific maturity. His application also seems to be related to extensive knowledge of gold standard interventions and possible alternatives. Finally, there are cultural barriers to the implementation of the SDM. PMID- 27865084 TI - [Cyberstalking among Italian nurses: a large multicentric study]. AB - SCOPO: Determinare la prevalenza di cyberstalking tra gli infermieri italiani e valutare il livello di ansia e depressione nelle vittime. METODO: Da aprile a settembre 2014 e stato condotto uno studio multicentrico trasversale in un campione di infermieri italiani (n=997) utilizzando il questionario "Cyberstalking" per analizzare il fenomeno del cyberstalking. Ai partecipanti, che si sono autodefinite vittime di cyberstalking, e stato chiesto anche di compilare gli strumenti "Beck Depression Inventory" e "State-Trait Anxiety Inventory" per valutare, rispettivamente, i livelli di depressione ed ansia. RISULTATI: La prevalenza di cyberstalking tra gli infermieri italiani e risultata pari al 23.3%. Il 42.7% ha dovuto cambiare il proprio stile di vita e lavorativo. Il cyberstalker era prevalentemente di sesso maschile (52%) e, nel 49% dei casi, era un paziente. Le vittime hanno riferito moderati livelli di ansia (media=28.4, SD=23.2) e depressione (media=92.7, SD=18.3); i risultati hanno mostrato un aumento dei livelli di depressione negli infermieri esperti nell'utilizzo del computer, gestori di siti web o blog, e una correlazione negativa tra il livello di ansia e gli infermieri esperti (r = -0.264). CONCLUSIONI: Il cyberstalking e un fenomeno che si riscontra frequentemente tra gli infermieri. Il rapporto infermiere - paziente gioca un ruolo centrale nello sviluppo del fenomeno e le vittime hanno riferito disordini correlati allo stress che influenzano la vita lavorativa. Questi risultati preliminari potrebbero sensibilizzare, i dirigenti ospedalieri, la politica e i centri antiviolenza al fine di sviluppare strategie risolutiv. PMID- 27865085 TI - [L'impiego dell'ICNP(r) nella formazione infermieristica con modelli teorici infermieristici: una revisione della letteratura]. AB - INTRODUCTION: The International Classification for Nursing Practice (ICNP(r)) is the only nursing terminology that has been accepted within the Family of International Classification of the World Health Organization. The academic teaching of ICNP(r) could contribute to improve nursing clinical practice. However, standards for its implementation in undergraduate nursing education together with a nursing theoretical model are not available. AIM: To know the state of the art about the use of ICNP(r) in undergraduate nursing education and its use with a nursing theoretical model. METHOD: A narrative literature review was conducted searching main health scientific databases and including monographs, statements from international associations, and published conference papers. RESULTS: Available literature about ICNP(r) implementation in nursing education and its use with theoretical models is limited. Results supported the organization of a specific course on ICNP(r) before clinical teaching programs, the development of paper or electronic ICNP(r) based educational tools, and the use of active learning strategies. Only three experiences reporting the use of ICNP(r) with theoretical models have been found. CONCLUSIONS: Both the use of ICNP(r) in nursing undergraduate education and its use according to one or more nursing theoretical models, could help students to learn nursing process. However, weak recommendations can be found in the literature to orient ICNP(r) implementation in undergraduate nursing education and/or with an explicit theoretical framework. Further studies focusing on these issues are strongly needed. PMID- 27865086 TI - [Knowledge and common sense of nurses on the health's inequities: an exploratory study.] AB - INTRODUCTION: The data for 2015 show of a general deterioration of living conditions and health of the population in Italy. The possible effects call the nurse to become involved in the subject of health inequalities. The study was designed with the goal of assessing how much the nurses know and perceive the correlation between the state of health of the population and system inequities. METHOD: An exploratory study was conducted through a bibliographic update compared to previous work and questionnaires in convenience samples of professionals and students of nursing and evaluation of results according to the mixed method perspective. RESULTS: The nursing literature on the quantity is very limited plan. The questionnaire provides useful answers to the evaluation of the perception of inequalities in health in terms of horizontal and vertical equity. CONCLUSION: Knowledge of health inequalities cannot be on the edge scientific work and the same professional literature. E 'need to reduce the gap between the aspects of values of their profession, which reverberate in the perception of existing inequities, and the full assumption of knowledge related to the socio economic determinants of health and disease. PMID- 27865087 TI - [Pain management in patients of a Swiss Institute of Oncology and the role of nurses: from programs to reality]. AB - INTRODUCTION: In 2004, the Oncology Institute of Southern Switzerland (IOSI) started a program to improve cancer pain treatment, through training of health professionals and the introduction of monitoring tools . AIM: The aim is to evaluate patient relief from pain (effective pain control), with attention to nursing role (pain assessment, monitoring and documentation). METHOD: Retrospective study. The health records of patients admitted in the last three months of 2010 were consulted to evaluate how pain was assessed and managed. RESULTS: Out of 177 patients admitted, 93 (52.6 %) experienced pain during hospitalization and 85 were included in the analysis . Sixty-two out of 85 (72.9 %) received drugs in reserve > = 2 days. They had pain from 2 to 28 days (median 4). For 56/62 patients ( 90.3 %) analgesic therapy was changed one or more times and 40 of them ( 63.4 % ) received strong opioids during hospitalization . In 8/62 cases pain wasn't documented, and overall, in 25/85 (29.4 %) intensity or any other feature weren't documented. CONCLUSIONS: At IOSI there is a good pharmacological control of pain. Analgesics are prescribed upon entry and are modulated according to patient needs, even with wide administration of opioids. The issue to improve is pain assessment and monitoring by nurses, whose role is mainly oriented to contribute to the pharmacological management of this symptom. PMID- 27865088 TI - Clinical competence in nursing: A concept analysis. AB - INTRODUCTION: In nursing, clinical competence is a central issue for patient care and a clear understanding of the concept is critical for nursing education and nursing discipline. AIM: To perform an analysis of the concept of 'clinical competence' in nursing to better understand its meaning. METHOD: The Walker and Avant's concept analysis model was used. A systematic literature review on international databases (PubMed, CINAHL, Scopus, Cochrane, Ovid, Open Grey) from 1993 to 2015 was conducted. In the retrieved articles, the utilization of the concept of "clinical competence in nursing" was examined. RESULTS: According to Walker and Avant's method all the 8 steps were described on the basis of the findings of the literature review. Attributes, antecedents, consequences and empirical referents of the clinical competence in nursing have been identified and discussed and model, borderline, opposite cases were constructed. The relevance of the concept both for education and nursing professionalism have been also debated. CONCLUSION: This concept analysis has defined 'clinical competence in nursing' as 'a mix of skills, knowledge, attitudes and abilities that each nurse must possess to perform acceptably those duties directly related to patient care, in a specific clinical context and in given circumstances in order to promote, maintain and restore the health of patients'. PMID- 27865089 TI - The novel class of seven transmembrane segment inverted repeat carriers. AB - Solute carriers from the SLC4, SLC23, and SLC26 families are involved in pH regulation, vitamin C transport and ion homeostasis. While these families do not share any obvious sequence relationship, they are united by their unique and novel architecture. Each member of this structural class is organized into two structurally related halves of seven transmembrane segments each. These halves span the membrane with opposite orientations and form an intricately intertwined structure of two inverted repeats. This review highlights the general design principles of this fold and reveals the diversity between the different families. We discuss their domain architecture, structural framework and transport mode and detail an initial transport mechanism for this fold inferred from the recently solved structures of different members. PMID- 27865091 TI - Analysis of voluntary opening Ottobock Hook and Hosmer Hook for upper limb prosthetics: a preliminary study. AB - There are a number of prosthetic terminal devices which offer functional restoration to individuals with upper limb deficiencies. Hosmer and Ottobock are major commercial hook providers for prosthetic terminal devices. The concern of this paper is to analyse the voluntary opening (VO) Ottobock model 10A18 and Hosmer model 99P hooks (one band) during opening operation and to find out favourable features in the design. Two tests were conducted to analyse the performance of both hooks. The first test used a simple bench tool to investigate cable excursion and hook opening angle and the second test used force sensor to find out the force supplied at a different hook opening angle. The study found that the average cable excursion for both hooks is approximately 30% less than the hook's opening span with the force at the hook's tip section being inversely proportional to the force at the lateral section. Ottobock 10A18 has a better control for grasping larger objects, while Hosmer 99P has the highest average force at the tip section but yet less efficient in generating adequate force for activities of daily living. Favourable features identified are low cable excursion per hook opening span and balance lateral to hook tip pinch force. PMID- 27865090 TI - Characterization of the subcellular localization and nuclear import molecular mechanisms of herpes simplex virus 1 UL2. AB - As a crucial protein, the herpes simplex virus 1 (HSV-1) UL2 protein has been shown to take part in various stages of viral infection, nonetheless, its exact subcellular localization and transport molecular determinants are not well known thus far. In the present study, by using live cells fluorescent microscopy assay, UL2 tagged with enhanced yellow fluorescent protein was transiently expressed in live cells and showed a completely nuclear accumulation without the presence of other HSV-1 proteins. Moreover, the nuclear transport of UL2 was characterized to be assisted by multiple transport pathways through Ran-, importin alpha1-, alpha5 , alpha7-, beta1- and transportin-1 cellular transport receptors. Consequently, these results will improve understanding of UL2-mediated biological functions in HSV-1 infection cycles. PMID- 27865092 TI - Control of bone and fat mass by oxytocin. AB - Osteoporosis and overweight/obesity constitute major worldwide public health burdens. Aging is associated with a decrease in hormonal secretion, lean mass and bone mass, and an increase in fat accumulation. It is established that both obesity and osteoporosis are affected by genetic and environmental factors, bone remodeling and adiposity are both regulated through the hypothalamus and sympathetic nervous system. Oxytocin (OT), belongs to the pituitary hormone family and regulates the function of peripheral target organs, its circulating levels decreased with age. Nowadays, it is well established that OT plays an important role in the control of bone and fat mass and their metabolism. Of note, OT and oxytocin receptor knock out mice develop bone defects and late-onset obesity. Thus OT emerges as a promising molecule in the treatment of osteoporosis and obesity as well as associated metabolic disorders such as type 2 diabetes and cardiovascular diseases. In this review, we will discuss findings regarding the OT effects on bone and fat mass. PMID- 27865093 TI - Maternal endothelial damage as a disorder shared by early preeclampsia, late preeclampsia and intrauterine growth restriction. AB - INTRODUCTION: Preeclampsia (PE) and intrauterine growth restriction (IUGR) are separate disease entities that have frequently been reported as sharing the same pathogenesis. In both of them, angiogenesis disorders and generalized endothelial damage with an accompanying inflammation are the dominant symptoms. In this study, we attempted to prove that both these processes demonstrate the same profile in early PE, late PE and IUGR patients, while the only difference is in the degree of exacerbation of the lesions. PATIENTS, MATERIALS AND METHODS: In 167 patients divided into four groups, three of those with early PE, late PE and IUGR and one control group, fms-like tyrosine kinase-1 (sFlt-1), placental growth factor (PlGF), high sensitive c-reactive protein (hsCRP) and fibronectin were determined. The behavior of these parameters in each of the groups was studied, and correlations between them were sought for. RESULTS: Higher concentrations of sFlt-1, hsCRP and fibronectin and a lower concentration of PlGF were found in the study groups compared to the control group. Significant correlations were observed between the factors concerned. CONCLUSIONS: The higher values of disordered angiogenesis markers, endothelial damage markers and inflammatory markers both in the PE and the intrauterine growth restriction (IUGR) groups suggest the existence of shared disorders in the development of these pathologies. The correlations between disordered angiogenesis markers and endothelial damage markers argue in favor of a mutual relationship between these two processes in the development of pathologies evolving as secondary to placental ischemia. The results obtained confirm that the lesion profiles are the same in both PE and IUGR patients, which can be utilized in developing common diagnostic criteria. PMID- 27865094 TI - Planned home birth and the association with neonatal hypoxic ischemic encephalopathy. AB - OBJECTIVE: To evaluate the association between planned home birth and neonatal hypoxic ischemic encephalopathy (HIE). METHODS: This is a case-control study in which a database of neonates who underwent head cooling for HIE at our institution from 2007 to 2011 was linked to New York City (NYC) vital records. Four normal controls per case were then randomly selected from the birth certificate data after matching for year of birth, geographic location, and gestational age. Demographic and obstetric information was obtained from the vital records for both the cases and controls. Location of birth was analyzed as hospital or out of hospital birth. Details from the out of hospital deliveries were reviewed to determine if the delivery was a planned home birth. Maternal and pregnancy characteristics were examined as covariates and potential confounders. Logistic regression was used to determine the odds of HIE by intended location of delivery. RESULTS: Sixty-nine neonates who underwent head cooling for HIE had available vital record data on their births. The 69 cases were matched to 276 normal controls. After adjusting for pregnancy characteristics and mode of delivery, neonates with HIE had a 44.0-fold [95% confidence interval (CI) 1.7 256.4] odds of having delivered out of hospital, whether unplanned or planned. Infants with HIE had a 21.0-fold (95% CI 1.7-256.4) increase in adjusted odds of having had a planned home birth compared to infants without HIE. CONCLUSION: Out of hospital birth, whether planned home birth or unplanned out of hospital birth, is associated with an increase in the odds of neonatal HIE. PMID- 27865095 TI - Assessment and Determinants of Spinal Pain in the Course of Disc Disorders Treated Surgically. AB - BACKGROUND Intervertebral disc disease is defined as a complex of structural changes in the aftermath of disorders of mutual elements, the structure of which form the discus intervertebralis and the spinal canal. The present work assessed pain in patients who were surgically treated due to spinal discopathy and analyzed factors that determine the condition. MATERIAL AND METHODS The research was carried on a group of 187 patients diagnosed with discopathy of the lumbosacral and cervical segment. The data are discussed in the context of medical records and the Visual Analogue Scale used for pain assessment. We used a prospective study plan with a 3-time assessment. RESULTS The pain level observed among patients prior to the procedure (M=6.52) was higher than after 7 days (M=3.15) and 6 months from the operation (M= 3.45). The highest level of pain (M=6.88), with a relatively high consistency among the patients (SD=2.25), was observed in the case of left-side hernia (H=7.31; p=0.023). The influence of the analyzed factors on pain experience markedly increased by the third assessment (R2=0.14), and was strongly associated with the type of work performed by the patient. CONCLUSIONS Surgical operation significantly reduces pain in patients with disc disorders. The level of pain is predominantly affected by the location of the hernia and the type of work performed by the patient. PMID- 27865096 TI - Salmonellosis in Poland in 2014 AB - OBJECTIVE: The aim of the study is to assess the epidemiological situation of salmonellosis in Poland in 2014 in comparison to the previous years. MATERIAL AND METHODS: The evaluation was based on the data from the bulletin "Infectious diseases and poisoning in Poland 2014", information from the laboratories of sanitary-epidemiological stations and reports from the epidemiological investigations in outbreaks of salmonellosis, sent by the sanitary epidemiological stations to the Department of Epidemiology, as well as the data from the Department of Demographic Studies of the Central Statistical Office. Cases were classified according to the definitions adopted in the UE. RESULTS: In 2014, a total number of 8 392 cases of salmonellosis derived from animals were reported, including 8 197 cases of intestinal salmonellosis and 195 cases of extraintestinal. The total incidence was 21.8/100 000. Almost 96% of the cases met the criteria for a confirmed case. The number of registered cases was, for the first time since many years, higher than in the previous year, but still lower than the median for 2008-2012. A very high percentage (approximately 70%) of hospitalizations remains among patients diagnosed with salmonellosis. Approximately 33% of all cases in outbreaks of salmonellosis were hospitalized. The highest incidence was among children under the age of 5 years. Salmonellosis was reported as the cause of death for 13 patients. In 2014 there were 171 outbreaks reported with Salmonella as an etiological agent. Majority of them were small outbreaks limited to the family in singular household, and the total number of cases in those outbreaks amounted to 1 229 people. In Poland the most common etiological agent of salmonellosis is (and have been for many years) S. Enteritidis. CONCLUSIONS: In 2014, the first time in many years, an increase was recorded in the annual number of cases of salmonellosis. A very high percentage of hospitalizations for salmonellosis cases indicates a relatively rare practice among GPs in ordering laboratory testing in patients presenting with gastroenteritis. This causes significant underreporting of salmonellosis in throughout the country and indicates the need to introduce mechanisms which would make laboratory testing for salmonellosis as a recommended practice. PMID- 27865097 TI - Etiology and treatment of acute inferior vena cava thrombosis. AB - Inferior vena cava thrombosis (IVCT) is a rare but severe disease that is associated with a high rate of mortality. IVCT can be categorized into primary versus secondary thrombosis dependent upon the underlying pathophysiology. The diagnosis includes both clinical probability assessment as well as the imaging evaluation. The optimal therapeutic strategy remains the target of continued research. Although anticoagulation therapy remains fundamental in treating IVCT, its inherent limitations have led to the use of minimally invasive, endovascular treatment options, including transcatheter thrombolysis, mechanical thrombectomy or a combination of these techniques. This review focuses on the etiology, diagnostic assessment, and endovascular treatment options for IVCT. PMID- 27865098 TI - Dying two deaths - programmed cell death regulation in development and disease. AB - Programmed cell death (PCD) is a fundamental cellular process that has adopted a plethora of vital functions in multicellular organisms. In plants, PCD processes are elicited as an inherent part of regular development in specific cell types or tissues, but can also be triggered by biotic and abiotic stresses. Although over the last years we have seen progress in our understanding of the molecular regulation of different plant PCD processes, it is still unclear whether a common core machinery exists that controls cell death in development and disease. In this review, we discuss recent advances in the field, comparing some aspects of the molecular regulation controlling developmental and pathogen-triggered PCD in plants. PMID- 27865099 TI - Assessing symptoms during comprehensive interventions for young children with autism spectrum disorder: Development and preliminary analysis of the Autism Behaviour Coding System (ABCS). AB - The aims of this paper are to present the Autism Behaviour Coding System (ABCS), a novel, video-based observational instrument for assessing core autism symptoms during intensive early interventions in autism spectrum disorder (ASD), to provide preliminary data on its psychometric characteristics and to discuss its clinical utility. Video recordings of child-therapist interactions during the 'Fruhintervention bei autistischen Storungen' (FIAS) were coded by treatment independent raters who were blind with respect to the temporal order of the sequences. We assessed inter-rater reliability using intra-class correlations (ICCs). Mean ICCs ranged from 0.85 to 0.90. We analysed the sensitivity of the ABCS to change by comparing the change in ABCS scores with the change in a validated external measure of level of functioning (Developmental Disorder-Child Global Assessment of functioning Scale, DD-C-GAS) in a sample of 15 children who received intensive treatment. Both the ABCS and DD-C-GAS indicated that the intervention improved symptoms. The ABCS has promise as a research instrument and has good to excellent inter-rater agreement and sensitivity to intervention related changes. This pilot study suggests that the ABCS may be useful as an objective method of assessing the proximal effects of therapy in young children with ASD. PMID- 27865100 TI - Walking away from depression-motor activity increases ratings of mood and incentive drive in patients with major depression. AB - Reduced motor activity is associated with depression. Lewinsohn's cognitive behavioural model of depression assumes a lack of positive experience due to a reduced level of activity as a key aspect of depression. The acute relationship between motor activity and mood as well as between motor activity and incentive drive (the motivation to engage in activities) is unknown. An augmentation of mood and incentive drive could precede or follow motor activity. We examined (1) whether motor activity would be correlated with the course of depression and (2) the temporal relationship between motor activity and acute changes in mood and incentive drive. Motor activity was measured with actigraphy in 12 patients with depression for one week. Severity of depression was assessed before and at the end of the study with depression rating scales. The patients reported mood and incentive drive once per hour. With lag sequential analysis, the temporal relationship between motor activity and mood and incentive drive was evaluated. Higher motor activity was associated with depression improvement. Motor activity had an acute association with mood and incentive drive, especially one hour after activity. The results support the Lewinsohn's model of depression and underline the impact of behavioural activation in antidepressant treatment. PMID- 27865101 TI - Diagnostic guide enabling distinction between taphonomic stains and enamel hypomineralisation in an archaeological context. AB - OBJECTIVE: Molar Incisor Hypomineralisation (MIH) is a structural anomaly that affects the quality of tooth enamel and has important consequences for oral health. The developmentally hypomineralised enamel has normal thickness and can range in colour from white to yellow or brown with or without surface breakdown. The possibility of finding MIH in 'ancient populations' could downplay several current aetiological hypotheses (e.g., dioxin derivatives, bisphenols, antibiotics) without excluding the possible multifactorial aspect of the anomaly. In an archaeological context, chemical elements contained in the burial ground can stain teeth yellow or brown and therefore might create a taphonomic bias. The purpose of the present study is to test a proposed diagnostic guide enabling determination of the pathological or taphonomic cause of enamel discolouration and defects that resemble MIH present on 'ancient teeth'. DESIGN: Two sample groups including MIH discoloration (n=12 teeth) from living patients, taphonomic discoloration (n=9 teeth) and unknown discoloration (n=2 teeth) from medieval specimens were tested. Three non-destructive methods-Raman spectroscopy, X-ray micro-computed tomography and X-ray fluorescence were utilised. RESULTS: Hypomineralised enamel has decreased mineral density (p<0.0001) and increased phosphate/beta-carbonate ratio (p<0.01) compared to normal enamel whereas relative concentrations of manganese, copper, iron and lead are similar. In taphonomic discoloration, relative concentrations of these elements are significantly different (p<0.05) to normal enamel whereas mineral density and Raman spectra profile are comparable. CONCLUSIONS: Enamel hypomineralisation can be distinguished from taphonomic staining in archaeological teeth. PMID- 27865102 TI - Pharmacotherapy for residual excessive sleepiness and cognition in CPAP-treated patients with obstructive sleep apnea syndrome: A systematic review and meta analysis. AB - Pharmacotherapy has been used as an adjunct to CPAP for treatment of residual excessive sleepiness in patients with a diagnosis of obstructive sleep apnea syndrome (OSAS). However, no studies with a high level of evidence have been conducted to support this practice and confirm its effectiveness. We conducted a meta-analysis to summarize and quantify the effects of pharmacological treatment in adults with OSAS who experience residual excessive sleepiness despite adequate CPAP use. We reviewed clinical trials that compared medications to placebo and evaluated the outcomes residual excessive sleepiness, cognition, and quality of life, as well as treatment effectiveness and safety. The MEDLINE, EMBASE, LILACS, Cochrane Central Register of Controlled Trials - CENTRAL, and PsycINFO electronic databases were searched using highly sensitive search strategies. Trials were only included if measures were taken to ensure effective CPAP treatment. Eight randomized clinical trials were included. Pharmacotherapy with modafinil and armodafinil led to improvement of excessive daytime sleepiness, attention/alertness, and clinical condition as measured with the CGI-C. No improvements in quality of life or other cognitive domains (including memory, executive function, and language) could be confirmed. Pharmacotherapy did not cause any severe adverse effects, but was associated with significant dropout rates as compared with placebo. In conclusion, although our results demonstrate the effectiveness of pharmacological treatment as an adjunct to CPAP, further investigation is necessary to improve confidence in its effects. Many findings on the impact of pharmacotherapy on cognition and quality of life were evaluated through analysis of single studies, with heterogeneity in tests and absence of standardization, which reduced certainty as to whether actual improvement occurred in these outcomes. PMID- 27865103 TI - Rethinking pathology in adolescent self-harm: Towards a more complex understanding of risk factors. AB - Researchers have begun to consider whether there may be more than one psychological profile to describe adolescents who engage in self-harm. Limited past research suggests multiple different profiles. Australian high school students (n = 1,521, age 11-19, 56.4% female) completed an online questionnaire reporting risk and protective factors and self-harm frequency. Non-hierarchical cluster analysis allocated 256 students who reported 6-month self-harm to mutually exclusive profiles based on psychological similarity. Five distinct psychological profiles were identified: 1) Psychologically 'normal'; 2) Anxiety symptoms; 3) Impulsive; 4) Pathological; and 5) Pathological-Impulsive. The proportion of adolescents that reported 11 or more episodes of self-harm varied from 5.7% in the psychologically 'Normal' group to 27.7% in the 'Pathological- Impulsive' group. These results indicate that multiple psychological profiles exist. Adolescents with different risk factors may require disparate strategies for treatment and prevention. Given the variability in profiles, screening may assist in detecting adolescents who self-harm. PMID- 27865104 TI - Detection of low-abundance biomarker lipocalin 1 for diabetic retinopathy using optoelectrokinetic bead-based immunosensing. AB - Early diagnosis of diabetic retinopathy (DR) is vital but challenging. DR is a common complication and a major cause of vision loss in patients with diabetes mellitus. Without appropriate medical intervention, visual impairment may become a great burden to our healthcare system. In clinical practice, the current diagnostic methods, such as fluorescence angiography and optical coherence tomography, remain constrained by non-quantitative examinations and individual ophthalmologists' experiences. Late diagnosis often prevents early treatment. To address the constraints on current diagnostics, this study developed an optoelectrokinetic bead-based immunosensing technique for detecting lipocalin 1 (LCN1), a DR biomarker. The concentration level of LCN1 in the tears of DR patients increases with DR severity. The immunoassay was dependent on the formation of sandwiched immunocomplexes on the particles. A secondary antibody labeled with dyes/quantum dots (QDs) was used to visualize the presence of the target antigens. Rapid electrokinetic patterning (REP), an optoelectrokinetic technique, was used to dynamically enhance the fluorescent signal by concentrating the modified particles. The limit of detection (LOD) of the technique could reach 110pg/mL. Only 1.5MUL of a sample fluid was required for the measurement. Our results showed that highly sensitive and improved LOD is subjected to particle stacking, small particle size, and compact cluster. By labeling different particle sizes with dyes/QDs for LCN1 and TNF-alpha, we successfully used REP to detect the two DR biomarkers on the same platform. The development of an optoelectrokinetic bead-based immunosensing technique can provide new insights into diagnosing other low-abundance diseases in the future. PMID- 27865105 TI - Sensitive and rapid detection of microRNAs using hairpin probes-mediated exponential isothermal amplification. AB - MicroRNAs (miRNAs) play significant roles in a diverse range of biological progress and have been regarded as biomarkers and therapeutic targets in cancer treatment. Here, we develop a rapid and sensitive miRNA assay on the basis of exponential isothermal amplification in combination with the hairpin probes, which was designed for sensitive detection of miRNA. The binding of target miRNA with a linear DNA template initiates exponential isothermal amplification reaction (EXPAR) and generates the universal triggers which are complementary to the 3' protruding end of hairpin probe1(HP1). These triggers function not only as the primers to unfold the hairpin probes through catalysed hairpin assembly(CHA), generating distinct fluorescence signals, but also as the primer to initiate the next EXPAR. Moreover, CHA can release new triggers to initiate EXPAR or CHA. Thus this hairpin probes-mediated exponential isothermal amplification assay exhibits high sensitivity with a detection limit of 3.0*10-15M. More importantly, the isothermal condition and simple fluorescence measurement would greatly promote the development of a fast, point-of-care detection system. It can be completed in an hour which can effectively avoid miRNA from degradation. This hairpin probe based circular exponential amplification assay holds a great promise for further application in biomedical research and early clinical diagnosis. PMID- 27865106 TI - High-speed biosensing strategy for non-invasive profiling of multiple cancer fusion genes in urine. AB - Aberrant chromosal rearrangements, such as the multiple variants of TMPRSS2:ERG fusion gene mutations in prostate cancer (PCa), are promising diagnostic and prognostic biomarkers due to their specific expression in cancerous tissue only. Additionally, TMPRSS2:ERG variants are detectable in urine to provide non invasive PCa diagnostic sampling as an attractive surrogate for needle biopsies. Therefore, rapid and simplistic assays for identifying multiple urinary TMPRSS2:ERG variants are potentially useful to aid in early cancer detection, immediate patient risk stratification, and prompt personalized treatment. However, current strategies for simultaneous detection of multiple gene fusions are limited by tedious and prolonged experimental protocols, thus limiting their use as rapid clinical screening tools. Herein, we report a simple and rapid gene fusion strategy which expliots the specificity of DNA ligase and the speed of isothermal amplification to simultaneously detect multiple fusion gene RNAs within a short sample-to-answer timeframe of 60min. The method has a low detection limit of 2 amol (1000 copies), and was successfully applied for non invasive fusion gene profiling in patient urine samples with subsequent validation by a PCR-based gold standard approach. PMID- 27865108 TI - Self-powered sensing platform equipped with Prussian blue electrochromic display driven by photoelectrochemical cell. AB - By incorporating the Prussian Blue (PB) electrochromic display as cathode, a solar-driven photoelectrochemical (PEC) cell was constructed through combining sandwich-structured graphite-like carbon nitride (g-C3N4)-Au-branched-titanium dioxide (B-TiO2) nanorods as photoanode for self-powered hydrogen peroxide (H2O2) sensing, which exhibits both direct photoelectrochemical and electrochromic response. The gold nanoparticles (Au NPs) sandwiched between the B-TiO2 nanorods and the g-C3N4 layer served as electron relay as well as plasmonic photosensitizer to enhance the solar-to-chemical energy conversion efficiency. Owing to the effective disproportionation of H2O2 and specific recognition of mannose on cell surface, concanavalin-A conjugated porous AuPd alloy nanoparticles were introduced as the catalytically active nanolabels promoting generation of hydroxyl radicals (.OH). Based on the cleavage of DNA with the participation of .OH radicals generated by the decomposition of H2O2 under the catalysis of AuPd alloy result in the disassembly of cancer cells to achieve further signal enhancement. The multiple-signal-output sensing response not only provides a promising strategy for different analytical purposes based on novel stimuli-responsive materials, but also enhances the reliability in the analyte detection. PMID- 27865109 TI - Carbon-based nanocomposites with aptamer-templated silver nanoclusters for the highly sensitive and selective detection of platelet-derived growth factor. AB - We synthesized two kinds of carbon-based nanocomposites of silver nanoclusters (AgNCs). An aptamer for targeted platelet-derived growth factor-BB (PDGF-BB) detection was used as the organic phase to produce AgNCs@Apt, three dimensional reduced graphene oxide@AgNCs@Aptamer (3D-rGO@AgNCs@Apt), and graphene quantum dots@AgNCs@Aptamer (GQD@AgNCs@Apt) nanocomposites. The formation mechanism of the developed nanocomposites was described by detailed characterizations of their chemical and crystal structures. Subsequently, the as-synthesized nanoclusters containing aptamer strands were applied as the sensitive layers to fabricate a novel electrochemical aptasensor for the detection of PDGF-BB, which may be directly used to determine the target protein. Electrochemical impedance spectra showed that the developed 3D-rGO@AgNCs@Apt-based biosensor exhibited the highest sensitivity for PDGF-BB detection among three kinds of fabricated aptasensors, with an extremely low detection limit of 0.82pgmL-1. In addition, the 3D rGO@AgNCs@Apt-based biosensor showed high selectivity, stability, and applicability for the detection of PDGF-BB. This finding indicated that the AgNC based nanocomposites prepared by a one-step method could be used as an electrochemical biosensor for various detection procedures in the biomedical field. PMID- 27865107 TI - A luminescent lanthanide coordination polymer based on energy transfer from metal to metal for hydrogen peroxide detection. AB - A bimetal lanthanide coordination polymer nanoparticle (ATP-Ce/Tb-Tris CPNs) with good biocompatibility was synthesized in Tris-HCl buffer using adenosine triphosphate (ATP) molecules as the bridge ligands. The large absorption cross section and suitable emission energy of Ce3+ matching to the adsorption energy of Tb3+(4fn) results in the efficient energy transfer from Ce3+ to Tb3+, thus the synthesized ATP-Ce/Tb-Tris CPNs exhibit the characteristic green emission of Tb3+. Such energy transfer from metal to metal in fluorescent lanthanide coordination polymer nanoparticles (Ln-CPNs) has been demonstrated. It is found that the oxidation of Ce3+ in ATP-Ce/Tb-Tris CNPs to Ce4+ would interrupt the energy transfer from Ce3+ to Tb3+, leading to fluorescence quenching of Tb3+. On the basis of this quenching mechanism, ATP-Ce/Tb-Tris CPNs has been successfully used to detect reactive oxygen H2O2 with detection limit as low as 2nM. If glucose oxidase is present in the system, glucose can be determined using the ATP Ce/Tb-Tris CNPs nanosensor. PMID- 27865110 TI - Specifically and wash-free labeling of SNAP-tag fused proteins with a hybrid sensor to monitor local micro-viscosity. AB - Viscosity, as one of the major factors of intracellular microenvironment, influences the function of proteins. To detect local micro-viscosity of a protein, it is a precondition to apply a viscosity sensor for specifically target to proteins. However, all the reported small-molecule probes are just suitable for sensing/imaging of macro-viscosity in biological fluids of entire cells or organelles. To this end, we developed a hybrid sensor BDP-V BG by connecting a viscosity-sensitive boron-dipyrromethene (BODIPY) molecular rotor (BDP-V) to O6 benzylguanine (BG) for specific detection of local micro-viscosity of SNAP-tag fused proteins. We measured and calculated the reaction efficiency between the sensor and SNAP-tag protein in vitro to confirm the high labeling specificity. We also found that the labeling reaction results in a 53-fold fluorescence enhancement for the rotor, which qualifies it as a wash-free sensor with ignorable background fluorescence. The high sensitivity of protein labeled sensor (BDP-V-SNAP) to the changes of local viscosity was evaluated by detecting the enhancement of fluorescence lifetimes. Further, with the sensor BDP-V BG, we achieved high specific labeling of cells expressing two SNAP-tag fused proteins (nuclear histone H2B and mitochondrial COX8A). Two-photon excited fluorescence lifetime imaging revealed that, the micro-viscosities nearby the SNAP-tag fused two proteins are distinct. The different changes of local micro-viscosity of SNAP tag fused histone protein in apoptosis induced by three nucleus-targeted drugs were also characterized for the first time. PMID- 27865111 TI - Camelid and shark single domain antibodies: structural features and therapeutic potential. AB - In addition to canonical antibodies composed of heavy and light chains, the adaptive immune systems of camelids and cartilaginous fish comprise heavy-chain only isotypes (HcAb) devoid of light chains, where antigen-binding is mediated exclusively by one variable domain. Due to their inherent favorable attributes, such as high affinity and specificity for their cognate antigen, extraordinary stability, small size and, most importantly, the possibility to complement classical antibodies in terms of 'drugable' target-space, HcAb-derived entities evolved as promising candidates for biomedical applications of which many have already proven to be successful in early stage clinical trials. PMID- 27865113 TI - Implicit moral evaluations: A multinomial modeling approach. AB - Implicit moral evaluations-i.e., immediate, unintentional assessments of the wrongness of actions or persons-play a central role in supporting moral behavior in everyday life. Yet little research has employed methods that rigorously measure individual differences in implicit moral evaluations. In five experiments, we develop a new sequential priming measure-the Moral Categorization Task-and a multinomial model that decomposes judgment on this task into multiple component processes. These include implicit moral evaluations of moral transgression primes (Unintentional Judgment), accurate moral judgments about target actions (Intentional Judgment), and a directional tendency to judge actions as morally wrong (Response Bias). Speeded response deadlines reduced Intentional Judgment but not Unintentional Judgment (Experiment 1). Unintentional Judgment was stronger toward moral transgression primes than non-moral negative primes (Experiments 2-4). Intentional Judgment was associated with increased error-related negativity, a neurophysiological indicator of behavioral control (Experiment 4). Finally, people who voted for an anti-gay marriage amendment had stronger Unintentional Judgment toward gay marriage primes (Experiment 5). Across Experiments 1-4, implicit moral evaluations converged with moral personality: Unintentional Judgment about wrong primes, but not negative primes, was negatively associated with psychopathic tendencies and positively associated with moral identity and guilt proneness. Theoretical and practical applications of formal modeling for moral psychology are discussed. PMID- 27865112 TI - Recent advances in understanding proton coupled peptide transport via the POT family. AB - The POT family of membrane transporters use the inwardly directed proton electrochemical gradient to drive the uptake of essential nutrients into the cell. Originally discovered in bacteria, members of the family have been found in all kingdoms of life except the archaea. A remarkable feature of the family is their diverse substrate promiscuity. Whereas in mammals and bacteria they are predominantly di- and tri-peptide transporters, in plants the family has diverged to recognize nitrate, plant defence compounds and hormones. This promiscuity has led to the development of peptide-based pro-drugs that use PepT1 and PepT2, the mammalian homologues, to improve oral drug delivery. Recent crystal structures from bacterial and plant members of the family have revealed conserved features of the ligand-binding site and provided insights into post-translational regulation. Here I review the current understanding of transport, ligand promiscuity and regulation within the POT family. PMID- 27865114 TI - The effect of selenium and UV radiation on leaf traits and biomass production in Triticum aestivum L. AB - UV radiation as an evolutionarily important environmental factor, significantly affects plants traits and alters the effects of other environmental factors. Single and combined effects of ambient UV radiation, its exclusion, and Se foliar treatments on Si concentrations and production of Si phytoliths in wheat (Triticum aestivum L.) cv. 'Reska' were studied. The effects of these treatments on growth parameters of the plants, structural and biochemical traits of the leaves, and interactions of the leaves with light, as Si incrustation is the first barrier to light at the leaf surface were also examined. Under ambient UV radiation and foliar treatment with 10mgL-1 sodium selenate solution, there was a trade-off between the plant investment in primary and secondary metabolism, as the production of UV-absorbing compounds was enhanced while photosynthetic pigment levels were reduced. Independent of Se treatment, ambient UV radiation lowered respiratory potential, Ca concentration, and leaf thickness, and increased Si concentration, Si phytoliths formation, and cuticle thickness. The Se treatment has little effect on plant traits and biomass production but it increased Se concentrations in the plants by >100-fold, independent of UV radiation. In combination with UV radiation Se strengthen the protection of plants against stress by increasing the amount of UV absorbing compounds, light reflectance and transmittance. PMID- 27865115 TI - Phytochelatin synthesis in Dunaliella salina induced by arsenite and arsenate under various phosphate regimes. AB - This study investigated the dynamic variations in thiol compounds, including cysteine (Cys), glutathione (GSH), and phytochelatins (PCs), in Dunaliella salina samples exposed to arsenite [As(III)] and arsenate [As(V)] under various phosphate (PO43-) regimes. Our results showed that GSH was the major non-protein sulfhydryl compound in D. salina cells. As(III) and As(V) induced PC syntheses in D. salina. PC2, PC3, and PC4 were all found in algal cells; the PC concentrations decreased gradually while exposed to As for 3 d. The synthesis of PC2-3 was significantly affected by As(III) and As(V) concentrations in the cultures. More PCs were detected in the As(V)-treated algal cells compared with the As(III) treatment. PC levels increased with As(III)/As(V) amount in the medium, but remained stable after 112MUgL-1 As(V) exposure. In contrast, significant (p<0.001) positive correlations were observed between PC synthesis and intracellular As(III) content or As accumulation in As(III)-treated algal cells during the 72-h exposure. PO43- had a significant influence on the PC synthesis in algal cells, irrespective of the As-treated species. Reductions in As uptake and subsequent PC synthesis by D. salina were observed as the PO43- concentration in the growth medium increased. L-Buthionine sulfoximine (BSO) differentially influenced PC synthesis in As-treated D. salina under different extracellular PO43- regimes. Overall, our data demonstrated that the production of GSH and PCs was affected by PO43- and that these thiols played an important role in As detoxification by D. salina. PMID- 27865116 TI - Comparison of contemporaneous responses for EQ-5D-3L and Minnesota Living with Heart Failure; a case for disease specific multiattribute utility instrument in cardiovascular conditions. AB - BACKGROUND: The EQ-5D-3L, a generic multi-attribute utility instrument (MAUI), is widely employed to assist in economic evaluations in health care. The EQ-5D-3L lacks sensitivity when used in conditions such as cardiovascular disease (CVD). Although there are number of CVD specific quality of life instruments, currently, there are no CVD specific MAUIs. The aim of this study is to investigate the discriminative ability and responsiveness of the EQ-5D-3L and the Minnesota Living with Heart Failure Questionnaire (MLHF), a CVD specific quality of life instrument in a group of heart failure patients. METHODS: The psychometric performance of the EQ-5D-3L and the MLHF was assessed using data from a randomised trial for a heart failure management intervention. The two instruments were compared for discrimination, responsiveness and agreement. The severity groups were defined using New York Heart Association functional classes. RESULTS: The effect sizes for severe classes were generally similar showing good discrimination. The MLHF recorded better responsiveness between the time points than the EQ-5D-3L which was indicated by higher effect sizes and standardised response means. The change in MLHF summary scores between the time points was significant (p<0.005; paired t-test). The overall agreement between the two measures was low. CONCLUSION: The low correlation indicates that the two classification systems cover different aspects of health space. Comparison of CVD specific instruments with other generic MAUIs such as EQ-5D-3L and AQOL-8D is recommended for further research. PMID- 27865117 TI - Catalytic iron in acute myocardial infarction complicated by cardiogenic shock - A biomarker substudy of the IABP-SHOCK II-trial. AB - BACKGROUND: Catalytic iron (CI) is unbound ferric iron with the potential to generate reactive oxygen species with further deleterious vascular effects. In acute coronary syndromes, high levels of CI are linked to all-cause mortality. The prognostic impact of CI and iron metabolism in cardiogenic shock (CS) is currently undetermined. Aims of this study were to investigate the prognostic impact of CI and to identify predictors of high CI levels in patients with CS complicating acute myocardial infarction. METHODS: The Intraaortic Balloon Pump in Cardiogenic Shock II (IABP-SHOCK II) trial randomized 600 patients with CS to either therapy with intraaortic balloon pump or control. In 185 of these patients, blood samples were systematically collected at baseline and day 3. CI levels were measured using a modified bleomycin detectable iron assay. Furthermore, levels of free hemoglobin, total serum iron, transferrin, total iron binding capacity, ferritin, hepcidin, and transferrin saturation were assessed. RESULTS: Patients with baseline CI levels in the highest quartile had a worse outcome in comparison to patients with lower CI (day 1: HR 1.91 [1.11-3.31], p=0.005; day 3: HR 2.15 [1.06-4.34], p=0.01). In multivariable Cox-regression analysis baseline CI remained an independent predictor of 30-day mortality (HR per 10LOG 2.08 [1.25-3.47], p=0.005). Predictors of CI levels on day 3 were baseline CI, bleeding events, and baseline troponin T. CONCLUSIONS: CI levels were associated with increased short-term mortality in CS complicating acute myocardial infarction. High levels of CI at day 3 were associated with bleeding and high troponin levels. PMID- 27865119 TI - Does haptic steering guidance instigate speeding? A driving simulator study into causes and remedies. AB - An important issue in road traffic safety is that drivers show adverse behavioral adaptation (BA) to driver assistance systems. Haptic steering guidance is an upcoming assistance system which facilitates lane-keeping performance while keeping drivers in the loop, and which may be particularly prone to BA. Thus far, experiments on haptic steering guidance have measured driver performance while the vehicle speed was kept constant. The aim of the present driving simulator study was to examine whether haptic steering guidance causes BA in the form of speeding, and to evaluate two types of haptic steering guidance designed not to suffer from BA. Twenty-four participants drove a 1.8m wide car for 13.9km on a curved road, with cones demarcating a single 2.2m narrow lane. Participants completed four conditions in a counterbalanced design: no guidance (Manual), continuous haptic guidance (Cont), continuous guidance that linearly reduced feedback gains from full guidance at 125km/h towards manual control at 130km/h and above (ContRF), and haptic guidance provided only when the predicted lateral position was outside a lateral bandwidth (Band). Participants were familiarized with each condition prior to the experimental runs and were instructed to drive as they normally would while minimizing the number of cone hits. Compared to Manual, the Cont condition yielded a significantly higher driving speed (on average by 7km/h), whereas ContRF and Band did not. All three guidance conditions yielded better lane-keeping performance than Manual, whereas Cont and ContRF yielded lower self-reported workload than Manual. In conclusion, continuous steering guidance entices drivers to increase their speed, thereby diminishing its potential safety benefits. It is possible to prevent BA while retaining safety benefits by making a design adjustment either in lateral (Band) or in longitudinal (ContRF) direction. PMID- 27865120 TI - Polybrominated diphenyl ethers (PBDEs) in Great Lakes fish: Levels, patterns, trends and implications for human exposure. AB - Levels of polybrominated diphenyl ethers (PBDEs) were measured in edible portions of Great Lakes fish, with the goal of examining patterns/trends and evaluating implications for human exposure. A total of 470 fillets of 18 fish species collected from various parts of the Canadian waters of the Great Lakes between 2006 and 2013 were analyzed for 17 (expanded to 33 in 2009) PBDEs. For a limited number of species, fillet to whole body and fillet to eggs PBDEs were compared to examine pattern and concentration among tissue types. Levels and patterns of PBDEs varied dramatically within and among the 18 fish species. Bottom dwelling Common Carp (and White Sucker) exhibited the highest ?PBDE levels (27-71ng/g). Lake Trout and Lake Whitefish from Lake Superior had higher levels than those from the other Great Lakes; otherwise the spatial trend was Lake Ontario?Erie~Huron~Superior. The measured levels would result in restriction on consumption of only Common Carp from the Toronto waterfront area, which is in proximity to the most urbanised region on the Canadian side of the basin. Deca BDE was the major congener in panfish, while BDE-47 was the major congener in top predators and its contribution to ?PBDE increased with the contamination. Although ?PBDE was related to fish length and lipid content when all measurements were pooled, the relationships were variable for individual sampling events (species/location/year). Whole body ?PBDE for bottom dweller Brown Bullhead and Common Carp were 2.6-4.9 times greater and egg ?PBDE for four fatty Salmon/Trout species were same to 6.5 times greater than the corresponding fillet concentrations. Levels of major lower brominated PBDEs appear to have declined in fish fillets by 46-74% between 2006/07 and 2012. Although PBDE in existing consumer items will remain in-use for a while, it will likely not result in appreciable accumulation of PBDEs in fish. Based on an overall assessment, regular monitoring of PBDEs in Great Lake fish can be replaced with targeted surveillance and focus can be shifted to other in-use flame retardants. PMID- 27865118 TI - Dienogest reduces proliferation, NGF expression and nerve fiber density in human adenomyosis. AB - OBJECTIVES: To evaluate the in vivo effect of dienogest on proliferation, apoptosis, aromatase expression, vascular density, nerve growth factor (NGF) expression and nerve fiber density in human adenomyosis tissue. STUDY DESIGN: Twelve women who underwent hysterectomy for adenomyosis were enrolled. Six patients received dienogest treatment prior to hysterectomy (dienogest group), and age-matched six patients who had not received any hormonal treatment for >=3 months before surgery (control group). Cell proliferation, vascular and nerve fiber density in adenomyosis tissue were evaluated by staining for Ki67, von Willebrand factor and PGP9.5, respectively. Apoptosis was detected using the TUNEL assay. The expression aromatase and NGF were evaluated by staining for corresponding antibodies. RESULTS: The proportion of Ki67 positive epithelial cells was significantly lower in samples from dienogest-treated patients in comparison with controls (p<0.05). The density of blood vessels in adenomyosis was marginally lower in the dienogest group in comparison with controls but statistical significance was not reached (p=0.07). The intensity of NGF expression and the density of nerve fibers were significantly lower in the dienogest group compared with controls (p<0.05 for both). CONCLUSION: This study demonstrates that adenomyosis, taken from patients treated with dienogest, shows remarkable histological features, such as reductions in proliferation, NGF expression and nerve fiber density. These findings indicate the impact of dienogest on local histological events, and explains its therapeutic effect on adenomyosis. PMID- 27865121 TI - Physiological responses of a population of Sargassum vulgare (Phaeophyceae) to high pCO2/low pH: implications for its long-term distribution. AB - Ocean Acidification (OA) is likely to affect macroalgal diversity in the future with species-specific responses shaping macroalgal communities. In this framework, it is important to focus research on the photosynthetic response of habitat-forming species which have an important structural and functional role in coastal ecosystems. Most of the studies on the impacts of OA involve short-term laboratory or micro/mesocosm experiments. It is more challenging to assess the adaptive responses of macroalgal community to decreasing ocean pH over long-term periods, as they represent the basis of trophic dynamics in marine environments. This work aims to study the physiological traits of a population of Sargassum vulgare that lives naturally in the high pCO2 vents system in Ischia (Italy), in order to predict the species behaviour in a possible OA future scenario. With this purpose, the photosynthetic performance of S. vulgare was studied in a wild, natural population living at low pH (6.7) as well as in a population transplanted from native (6.7) to ambient pH (8.1) for three weeks. The main results show that the photochemical activity and Rubisco expression decreased by 30% after transplanting, whereas the non-photochemical dissipation mechanisms and the photosynthetic pigment content increased by 50% and 40% respectively, in order to compensate for the decrease in photochemical efficiency at low pH. Our data indicated a stress condition for the S. vulgare population induced by pH variation, and therefore a reduced acclimation capability at different pH conditions. The decline of the PSII maximum quantum yield (Fv/Fm) and the increase of PARP enzyme activity in transplanted thalli further supported this hypothesis. The absence of the species at ambient pH conditions close to the vent system, as well as the differences in physiological traits, suggest a local adaptation of S. vulgare at pH6.7, through optimization of photosynthetic performance. PMID- 27865122 TI - Prolonged grief and post-traumatic stress among relatives of missing persons and homicidally bereaved individuals: A comparative study. AB - BACKGROUND: Traumatic loss (e.g., homicide) is associated with elevated prolonged grief disorder (PGD) and posttraumatic stress disorder (PTSD). Several studies comparing relatives of missing persons with homicidally bereaved individuals showed inconsistent results about the difference in PGD- and PTSD-levels between the groups. These studies were conducted in the context of armed conflict, which may confound the results. The current study aims to compare PGD- and PTSD-levels between the groups outside the context of armed conflict. METHODS: Relatives of long-term missing persons (n=134) and homicidally bereaved individuals (n=331) completed self-report measures of PGD and PTSD. Multilevel regression modelling was used to compare symptom scores between the groups. RESULTS: Homicidally bereaved individuals reported significantly higher levels of PGD (d=0.86) and PTSD (d=0.28) than relatives of missing persons, when taking relevant covariates (i.e., gender, time since loss, and kinship to the disappeared/deceased person) into account. LIMITATIONS: A limitation of this study is the use of self-report measures instead of clinical interviews. CONCLUSION: Prior studies among relatives of missing persons and homicidally bereaved individuals in the context of armed conflict may not be generalizable to similar samples outside these contexts. Future research is needed to further explore differences in bereavement related psychopathology between different groups and correlates and treatment of this psychopathology. PMID- 27865125 TI - Preceptors' conceptions of a peer learning model: A phenomenographic study. AB - BACKGROUND: During the past few years nurses precepting undergraduate nursing students have been put under greater pressure because of increased number of students admitted to the universities combined with a shortage of clinical placements. One solution is the preceptor model peer learning where two students are tutored by the same preceptor simultaneously. OBJECTIVES: The aim of this study was to describe the variation of registered nurses' conceptions of preceptorship in a peer learning model for undergraduate nursing students. DESIGN: The study used a qualitative descriptive design and a phenomenographic approach. SETTINGS: The interviews took place at somatic and psychiatric units at two different hospitals in southern Sweden. PARTICIPANTS: Twelve informants participated who had worked as registered nurses between 1-17years and acted as peer learning preceptors between 2month and 6years. METHODS: Each nurse was interviewed individually using a semi structured interview guide. Follow up questions were used to make the informants develop and deepen their answers. RESULTS: Four different descriptive categories emerged in the study: 1) Preceptorship in peer learning generates development and new perspectives 2) Preceptorship in peer learning enables student reflection and independence 3) Preceptorship in peer learning engenders insufficiency and stress 4) Preceptorship in peer learning requires education and support. CONCLUSIONS: The result of this study showed that preceptors conceived that peer learning enabled them to take a step back which gave them a new role and perspectives. The consequence was that the students could be more independent which saved time for some of the preceptors. However, some preceptors perceived insufficiency and stress while working with two students. It is also important to educate both students and preceptors to optimise the use of peer learning. PMID- 27865124 TI - The "killer cell story" in recurrent miscarriage: Association between activated peripheral lymphocytes and uterine natural killer cells. AB - Peripheral and uterine NK cells (pNK, uNK) can be distinguished according to their receptor expression. Recent studies indicate an association of elevated pNK and uNK with recurrent miscarriage (RM). This study aimed to analyze pNK and uNK in patients with RM and healthy controls. Out of n=590 RM patients screened according to a standard diagnostic protocol, n=268 couples with >=3 consecutive RM were identified. Subgroups consisted of n=151 primary RM (pRM), n=85 secondary RM (sRM), n=32 tertiary RM (tRM) and n=42 healthy controls. Finally, n=147 idiopathic RM (iRM) and n=121 non-iRM patients were identified. Peripheral blood levels of CD45+CD3-CD56+CD16+ NK cells were determined in non-pregnant patients and controls in the mid-luteal phase by FACS. In n=129 RM patients a uterine biopsy was taken to evaluate CD56+ NK cells by immunohistochemistry. PRM showed higher absolute pNK than sRM (median/MUl (Q1;Q3): 234 (147;306) vs 176 (128;245), p=0.02). Further a trend towards higher pNK percentages in pRM was detected. UNK numbers did not differ between RM subgroups and did not correlate with pNK. However, the rate of highly elevated uNK was increased in iRM compared to non-iRM patients (p=0.04). Further, higher numbers of CD45+CD3-DR+ (p<0.01) and CD45+CD3+CD8+DR+ (p=0.04) peripheral lymphocytes were associated with higher uNK numbers. In conclusion, elevated pNK were present in pRM patients. Although pNK and uNK numbers did not correlate, the association between high CD45+CD3-DR+ and CD45+CD3+CD8+DR+ peripheral lymphocytes and uNK might indicate that activated NK, B and T cells provide cytokines for the differentiation of uNK. PMID- 27865126 TI - Crossing the canal: Looking beyond hernias - Spectrum of common, uncommon and atypical pathologies in the inguinal canal. AB - Inguinal canal can have diverse range of pathologies due to its complex anatomy and multiple different contents in the males and females. Imaging plays a dominant role in the appropriate diagnosis and management as inguinal pathologies have fairly similar clinical presentation with pain and swelling. Various pathologies in the inguinal region include congenital, infectious/inflammatory, vascular, neoplastic and iatrogenic. This paper gives an overview of the role of various modalities like Ultrasound, CT and MRI in the evaluation of inguinal pathologies. PMID- 27865123 TI - Decontamination of Bacillus spores adhered to iron and cement-mortar drinking water infrastructure in a model system using disinfectants. AB - Decontamination of Bacillus spores adhered to common drinking water infrastructure surfaces was evaluated using a variety of disinfectants. Corroded iron and cement-mortar lined iron represented the infrastructure surfaces, and were conditioned in a 23 m long, 15 cm diameter (75 ft long, 6 in diameter) pilot scale drinking water distribution pipe system. Decontamination was evaluated using increased water velocity (flushing) alone at 0.5 m s-1 (1.7 ft s-1), as well as free chlorine (5 and 25 mg L-1), monochloramine (25 mg L-1), chlorine dioxide (5 and 25 mg L-1), ozone (2.0 mg L-1), peracetic acid 25 mg L-1) and acidified nitrite (0.1 mol L-1 at pH 2 and 3), all followed by flushing at 0.3 m s-1 (1 ft s-1). Flushing alone reduced the adhered spores by 0.5 and 2.0 log10 from iron and cement-mortar, respectively. Log10 reduction on corroded iron pipe wall coupons ranged from 1.0 to 2.9 at respective chlorine dioxide concentrations of 5 and 25 mg L-1, although spores were undetectable on the iron surface during disinfection at 25 mg L-1. Acidified nitrite (pH 2, 0.1 mol L-1) yielded no detectable spores on the iron surface during the flushing phase after disinfection. Chlorine dioxide was the best performing disinfectant with >3.0 log10 removal from cement-mortar at 5 and 25 mg L-1. The data show that free chlorine, monochloramine, ozone and chlorine dioxide followed by flushing can reduce adhered spores by > 3.0 log10 on cement-mortar. PMID- 27865127 TI - Beef consumer segment profiles based on information source usage in Poland. AB - The main aim of this study was to identify market segments based on consumers' usage of information sources about beef and to investigate whether the use of information sources was associated with the type of information consumers were searching for, factors guiding their decision processes to buy beef and motives related to beef consumption. Data were collected in 2014 through a self administered survey of 501 regular beef consumers. Three distinct clusters were identified: Enthusiast (38.5%), Conservative (43.1%) and Ultra Conservative (18.4%). This study revealed that culinary and personal sources of information on beef were the most frequently used. Taste, perceived healthiness and suitability to prepare many dishes were reported as primary motives to eat beef. These results show that communication channels such as culinary programs and opportunities provided by the development of labelling systems to guarantee beef quality should be considered when developing policies and strategies to increase beef consumption in Poland. PMID- 27865129 TI - Laurdan emission study of the cholesterol-like effect of long-chain alkylresorcinols on the structure of dipalmitoylphosphocholine and sphingomyelin membranes. AB - Long-chain alkylresorcinols (ARs) are commonly found in plant and bacteria cells, and they exhibit a wide variety of biological effects, including antifungal, antitumor, and antiphrastic activities. The cholesterol (Chol)-like effect of ARs with hydrocarbon side-chain lengths ranging from C15 to C25 on the structure of pure and Chol-doped dipalmitoylphosphocholine (DPPC) and sphingomyelin (SM) membranes was investigated by Laurdan fluorescence spectroscopy. The Laurdan emission generalized polarization parameter was analyzed as a function of the temperature and excitation wavelength in DPPC (or SM)/Chol, DPPC (or SM)/AR, and DPPC/Chol/AR systems. It was found that AR incorporation into both DPPC and SM bilayers induces an increase in the temperature of the main lipid phase transition, similar to the effect of Chol molecule incorporation. The phase separation, lipid-chain ordering, and membrane hydration are discussed for the AR mixed membranes and compared with DPPC (or SM)/Chol membranes. PMID- 27865128 TI - The pleiotropic role of non-coding genes in development and cancer. AB - The expansive dimension of non-coding genes is by now a well-recognized feature of eukaryotes genomes. Over the past decades, in vitro functional studies and in vivo manipulation of non-coding genes through Genetically Engineered Mouse Models (GEMMs) have provided compelling evidence that almost every biological phenomenon is regulated, at some level, by non-coding RNA transcripts or by coding RNAs with non-coding functions. In this opinion article, we will discuss how recent discoveries in the field of non-coding RNAs are contributing to advance our understanding of evolution and organismal complexity and its relevance to human diseases. PMID- 27865130 TI - Effects of fatigue on lower limb, pelvis and trunk kinematics and muscle activation: Gender differences. AB - BACKGROUND: Muscle fatigue is associated with biomechanical changes that may lead to anterior cruciate ligament (ACL) injuries. Alterations in trunk and pelvis kinematics may also be involved in ACL injury. Although some studies have compared the effects of muscle fatigue on lower limb kinematics between men and women, little is known about its effects on pelvis and trunk kinematics. The aim of the study was to compare the effects of fatigue on lower limb, pelvis and trunk kinematics and muscle activation between men and women during landing. METHODS: The participants included forty healthy subjects. We performed kinematic analysis of the trunk, pelvis, hip and knee and muscle activation analysis of the gluteal muscles, vastus lateralis and biceps femoris, during a single-leg landing before and after fatigue. RESULTS: Men had greater trunk flexion than women after fatigue. After fatigue, a decrease in peak knee flexion and an increase in Gmax and BF activation were observed. CONCLUSION: The increase in the trunk flexion can decrease the anterior tibiofemoral shear force resulted from the lower knee flexion angle, thereby decreasing the stress on the ACL. PMID- 27865131 TI - Evaluation of cellular uptake, cytotoxicity and cellular ultrastructural effects of heteroleptic oxidovanadium(IV) complexes of salicylaldimines and polypyridyl ligands. AB - Searching for prospective vanadium-based drugs for cancer treatment, a new series of structurally related [VIVO(L-2H)(NN)] compounds (1-8) was developed. They include a double deprotonated salicylaldimine Schiff base ligand (L-2H) and different NN-polypyridyl co-ligands having DNA intercalating capacity. Compounds were characterized in solid state and in solution. EPR spectroscopy suggests that the NN ligands act as bidentate and bind through both nitrogen donor atoms in an axial-equatorial mode. The cytotoxicity was evaluated in human tumoral cells (ovarian A2780, breast MCF7, prostate PC3). The cytotoxic activity was dependent on type of cell and incubation time. At 24h PC3 cells presented low sensitivity, but at 72h all complexes showed high cytotoxic activity in all cells. Human kidney HEK293 and ovarian cisplatin resistant A2780cisR cells were also included to evaluate selectivity towards cancer cells and potency to overcome cisplatin resistance, respectively. Most complexes showed no detectable interaction with plasmid DNA, except 2 and 7 which depicted low ability to induce single strand breaks in supercoiled DNA. Based on the overall cytotoxic profile, complexes with 2,2'-bipyridine and 1,10-phenanthroline ligands (1 and 2) were selected for further studies, which consisted on cellular distribution and ultrastructural analyses. In the A2780 cells both depicted different distribution profiles; the former accumulates mostly at the membrane and the latter in the cytoskeleton. Morphology of treated cells showed nuclear atypia and membrane alterations, more severe for 1. Complexes induce different cell death pathways, predominantly necrosis for 1 and apoptosis for 2. Complexes alternative mode of cell death motivates the possibility for further developments. PMID- 27865132 TI - A network approach to policy framing: A case study of the National Aboriginal and Torres Strait Islander Health Plan. AB - Aboriginal health policy in Australia represents a unique policy subsystem comprising a diverse network of Aboriginal-specific and "mainstream" organisations, often with competing interests. This paper describes the network structure of organisations attempting to influence national Aboriginal health policy and examines how the different subgroups within the network approached the policy discourse. Public submissions made as part of a policy development process for the National Aboriginal and Torres Strait Islander Health Plan were analysed using a novel combination of network analysis and qualitative framing analysis. Other organisational actors in the network in each submission were identified, and relationships between them determined; these were used to generate a network map depicting the ties between actors. A qualitative framing analysis was undertaken, using inductive coding of the policy discourses in the submissions. The frames were overlaid with the network map to identify the relationship between the structure of the network and the way in which organisations framed Aboriginal health problems. Aboriginal organisations were central to the network and strongly connected with each other. The network consisted of several densely connected subgroups, whose central nodes were closely connected to one another. Each subgroup deployed a particular policy frame, with a frame of "system dysfunction" also adopted by all but one subgroup. Analysis of submissions revealed that many of the stakeholders in Aboriginal health policy actors are connected to one another. These connections help to drive the policy discourse. The combination of network and framing analysis illuminates competing interests within a network, and can assist advocacy organisations to identify which network members are most influential. PMID- 27865133 TI - Rejoinder to Karen Lutfey Spencer. PMID- 27865134 TI - Polychromatic light (480-3400nm) similar to the terrestrial solar spectrum without its UV component in post-surgical immunorehabilitation of breast cancer patients. AB - To this day, two methods of phototherapy (PT) have been successfully used in post surgical immunorehabilitation of patients with breast cancer (BC): intravenous laser irradiation of the patients' blood and reinfusion of lympholeukosuspension of BC patients after single irradiation with HeNe laser. The objective of this pilot experimental study was to verify the effectiveness of the percutaneous use of polychromatic visible light combined with polychromatic infrared (pVIS+pIR) radiation similar to the major components of natural solar spectrum in post surgical management of BC patients. Patients with BC (adenocarcinoma) of I-II stages, n=19 who had undergone mastectomy, were divided into 2 groups. The control group of patients (n=8) underwent a conventional course of post-surgical rehabilitation and sham irradiation. Patients of the PT group (n=11) additionally received 7days of daily treatment with polychromatic light on the sacral area, D=15cm. The PT course began on the day after mastectomy (Bioptron-2 device; Switzerland, 480-3400nm, 95% polarization, 40mW/cm2, 24J/cm2). Mastectomy produced many changes in cellular and humoral immunity, which was recorded on the 1st and 8th post-surgical days. The PT course resulted in a faster normalization of post-surgical leukocytosis and activation of cytotoxic CD8+ T-lymphocytes (Lym), reduced the elevated concentration in blood of immune complexes and in parallel promoted cytotoxic activity of CD16+/CD56+ NK-cells. The PT up-regulated the number of NK-cells in patients with its decrease on the 1st post-surgical day and prevented the decrease in the amount of monocytes, CD19+ B-Lym, CD3+ T-Lym, CD4+ T-helpers, activated CD3+/HLADR+ T-Lym, and the decrease of the phagocytotic capability of neutrophils. PT blocked the down-regulation of the IgM, IgA concentration and abnormally sharp increase of the proinflammatory cytokine IFN gamma content. Therefore, a 7-day course with polychromatic light prevented the development of immunosupression in the BC patients at the early post-mastectomy period. PMID- 27865135 TI - Applications of vitamin B6 cofactor pyridoxal 5'-phosphate and pyridoxal 5' phosphate crowned gold nanoparticles for optical sensing of metal ions. AB - Vitamin B6 cofactor pyridoxal 5'-phosphate (PLP) and PLP crowned gold nanoparticles (PLP-AuNPs) was applied for the optical chemosensing of metal ions in aqueous medium. PLP showed a visually detectable colour change from colourless to yellow and 'turn-off' fluorescence in the presence of Fe3+. The fluorescence intensity of PLP at 433nm was also blue-shifted and enhanced at 395nm upon addition of Al3+. When the PLP was functionalized over AuNPs surface, the wine red colour of PLP-AuNPs was turned to purplish-blue and the SPR band at ~525nm was red-shifted upon addition of Al3+, Cd2+ and Pb2+ due to the complexation induced aggregation of nanoparticles. The developed sensing systems exhibited good selectivity and specificity for the detected analytes (Fe3+, Al3+, Cd2+ and Pb2+). PMID- 27865137 TI - Calix[3]carbazole: A C3-symmetrical receptor for barium ion. AB - The binding ability of calix[3]carbazole (1) to metal ions has been investigated. It is found that 1 could serve as a non crown ether based, C3-symmetrical receptor for Ba2+ via the marriage of cation-pi and cation-dipole interactions. FID assay further illustrates that 1 could selectively interact with Ba2+ over Pd2+. A possible binding mechanism for [1-Ba2+] complex is proposed. PMID- 27865136 TI - pH-dependent absorption spectra of rhodopsin mutant E113Q: On the role of counterions and protein. AB - The absorption spectra of bovine rhodopsin mutant E113Q in solutions were investigated at the molecular level by using a hybrid quantum mechanics/molecular mechanics (QM/MM) method. The calculations suggest the mechanism of the absorption variations of E113Q at different pH values. The results indicate that the polarizations of the counterions in the vicinity of Schiff base under protonation and unprotonation states of the mutant E113Q would be a crucial factor to change the energy gap of the retinal to tune the absorption spectra. Glu-181 residue, which is close to the chromophore, cannot serve as the counterion of the protonated Schiff base of E113Q in dark state. Moreover, the results of the absorption maximum in mutant E113Q with the various anions (Cl-, Br-, I- and NO3-) manifested that the mutant E113Q could have the potential for use as a template of anion biosensors at visible wavelength. PMID- 27865138 TI - Young driver risky behaviour and predictors of crash risk in Australia, New Zealand and Colombia: Same but different? AB - Young drivers remain overrepresented in road crashes around the world, with road injury the leading cause of death among adolescents. In addition, the majority of road traffic crashes, fatalities and injuries occur in low- and middle-income countries. All young drivers are at risk due to a breadth of age- and inexperience-related factors; however it is well recognised that young drivers may also intentionally engage in risky driving behaviours which increase their crash risk. The aim of this paper is to examine the self-reported risky driving behaviour of young drivers in Australia, New Zealand (high-income countries), and Colombia (middle-income country), and to explore the utility of a crash risk assessment model in these three countries. Young drivers aged 16-25 years completed the Behaviour of Young Novice Drivers Scale (BYNDS), in addition to self-reporting crash involvement and driving offences. A hierarchical segmentation analysis via decision trees was used to study the relationship between self-reported crashes and risky driving. Young drivers in Colombia reported more risky driving than young drivers in New Zealand, and considerably more risky driving than young drivers in Australia. Significant differences among and across countries in individual BYNDS items were found, and 23.5% of all participants reported they had been involved in a road crash. Handheld mobile phone usage was the strongest predictor of crashes, followed by driving after drinking alcohol, and carrying friends as passengers. Country of origin predicted mobile phone usage, with New Zealand and Colombia grouped in the same decision tree branch which implies no significant differences in the behaviour between these countries. Despite cultural differences in licensing programs and enforcement, young drivers reported engaging in a similar breadth of risky behaviours. Road crashes were explained by mobile phone usage, drink driving and driving with passengers, suggesting interventions should target these three risk factors. Whilst New Zealand and Australia have implemented graduated driver licensing programs, are geographical neighbours, and are high-income countries, the finding that behaviours of young drivers in New Zealand and Colombia were more similar than those of young drivers in New Zealand and Australia merits further investigation. PMID- 27865139 TI - Real-world evaluation of the effectiveness of reversing camera and parking sensor technologies in preventing backover pedestrian injuries. AB - Backover injuries to pedestrians are a significant road safety issue, but their prevalence is underestimated as the majority of such injuries are often outside the scope of official road injury recording systems, which just focus on public roads. Based on experimental evidence, reversing cameras have been found to be effective in reducing the rate of collisions when reversing; the evidence for the effectiveness of reverse parking sensors has been mixed. The wide availability of these technologies in recent model vehicles provides impetus for real-world evaluations using crash data. A logistic model was fitted to data from crashes that occurred on public roads constituting 3172 pedestrian injuries in New Zealand and four Australian States to estimate the odds of backover injury (compared to other sorts of pedestrian injury crashes) for the different technology combinations fitted as standard equipment (both reversing cameras and sensors; just reversing cameras; just sensors; neither cameras nor sensors) controlling for vehicle type, jurisdiction, speed limit area and year of manufacture restricted to the range 2007-2013. Compared to vehicles without any of these technologies, reduced odds of backover injury were estimated for all three of these technology configurations: 0.59 (95% CI 0.39-0.88) for reversing cameras by themselves; 0.70 (95% CI 0.49-1.01) for both reversing cameras and sensors; 0.69 (95% CI 0.47-1.03) for reverse parking sensors by themselves. These findings are important as they are the first to our knowledge to present an assessment of real-world safety effectiveness of these technologies. PMID- 27865140 TI - Overcoming dynamic molecular heterogeneity in metastatic colorectal cancer: Multikinase inhibition with regorafenib and the case of rechallenge with anti EGFR. AB - In metastatic colorectal cancer (mCRC), fluorouracil-based combination therapy with oxaliplatin or irinotecan is the mainstay of first-line treatment. Patient survival has been significantly improved with the introduction of monoclonal antibodies against VEGF (bevacizumab), VEGFR2 (ramucirumab) or EGFR (cetuximab or panitumumab) in first- and second-line therapies. However, all patients treated with chemotherapy and targeted therapies will eventually relapse, and recently the emergence of alterations in EGFR, RAS, BRAF, ERB-B2, MET and possibly in other genes has been shown to jeopardize response to EGFR blockade. In chemorefractory patients, multikinase inhibition with regorafenib has proved to be effective and rechallenge with chemotherapy or anti-EGFR agents is empirically pursued. This review will critically discuss how the evolving knowledge of mechanisms of resistance driven by intratumoural dynamic molecular heterogeneity can impact on rational choice of treatments in this setting. PMID- 27865142 TI - Acute renal failure due to complete labial fusion: A case report. AB - Acute renal failure is characterized by rapidly disruption in kidney function and postrenal causes typically result from obstruction of urinary flow. Multiple etiologies were described for acute renal failure, but labial fusion in postmenopausal female is a quite rarely encountered pathology among postrenal causes. Only a few cases have been presented in postmenopausal women presenting with urinary retention. We present a case with acute renal failure due to complete labial fusion in a postmenopausal woman and its treatment. PMID- 27865141 TI - Fostering secure attachment in low- and middle-income countries: Suggestions for evidence-based interventions. AB - Children struggling with the effects of trauma in low- and middle-income countries (LMIC) face a substantial mental health resource gap that limits their opportunities for positive psychosocial development. Multidisciplinary interventions working to close this gap may benefit from incorporating an empirically supported treatment (EST) into their approach that targets a universal mechanism implicated in resilience, like attachment. ESTs should be selected based on their level of empirical support and cultural adaptability, and then modified on the basis of qualitative evaluations conducted with the local population and stakeholders. This paper will provide an overview of attachment as a mechanism of resilience, a critical analysis of existing attachment-based ESTs, and recommendations for overcoming EST implementation barriers in LMIC. PMID- 27865143 TI - The postauricular fasciocutaneous flap with an adipofascial extension: A case report. AB - INTRODUCTION: A complex defect on the anterior surface of the ear requires flap cover; such as the postauricular skin flap. The postauricular skin flap has never been used with an adipofascial extension. PRESENTATION OF CASE: A 5-year old boy was involved in a car accident resulting in an exposed cartilage of the upper part of the right ear. The defect was covered with a post-auricular fasciocutaneous flap with an adipofascial extension. The adipofascial part of the flap was covered with a skin graft. DISCUSSION: The adipofascial extension serves two purposes: Firstly, it allows easier primary closure of the donor site. Secondly, it is less bulky and hence it does not observe the definition of the ear cartilage. CONCLUSION: Our case is the first case reported in literature using the post-auricular fasciocutaneous flap with an adipofascial extension. PMID- 27865144 TI - Successful endovascular management of endoleak-like phenomenon following open abdominal aortic aneurysm repair. AB - INTRODUCTION: Endoleaks are a well-known complication after endovascular aortic repair. Type I endoleak-like phenomenon (also defined as a proximal pseudoaneurysm) post-open abdominal aortic aneurysm (AAA) repair is described as an anastomotic leak causing recurrent pressurization of the original aneurysm sac. It is rare but may result in aneurysmal sac rupture into the peritoneal cavity. REPORT: A 78-year-old man presented with a progressively enlarged aneurysmal sac due to proximal anastomotic degeneration of the proximal suture line associated with an outflow through a patent large lumbar vessel following a previous emergency open AAA repair. This was successfully treated using a combination coils and ethylene-vinyl alcohol copolymer. An Endoluminal tube stent graft was successfully deployed to seal the aortic anastomotic dehiscence. CONCLUSION: Endovascular treatment of an anastomotic dehiscence associated with a large outflow lumbar artery post-open AAA repair is feasible and safe. PMID- 27865145 TI - Rectal gastrointestinal stromal tumor with metastasis to the penis: Case report and review of literature. AB - We report the case of a 51-year-old gentleman with previously diagnosed gastrointestinal stromal tumor (GIST) of the rectum with metastasis to the penis. The patient underwent abdominoperineal resection of the primary tumor with negative margins and completed a three-year course of imatinib mesylate (Gleevec). Forty months after resection of his rectal tumor, the patient presented to his urologist with worsening testicular pain, mild lower urinary tract obstructive symptoms, and nocturia. A pelvic MRI revealed the presence of an ill-defined mass in the right perineum extending from the base of the penis to the penoscrotal junction. Biopsy of this mass was consistent with metastatic GIST. To our knowledge, this is the first report of metastatic GIST to the penis. PMID- 27865146 TI - A case report of successful diagnosis of a pulmonary nodule by a survey of oncogenic mutations; primary lung carcinoma or pulmonary metastasis? AB - INTRODUCTION: The number of patients diagnosed with solid carcinomas is increasing, and the most common site of metastasis is the lungs. It is often difficult to make a differential diagnosis between primary lung carcinoma and metastatic lung tumor in using histological examination and by determining their immunohistological status. PRESENTATION: A 64-years-old man presented with dyspnea with chest computed tomography (CT) findings of a pulmonary tumor, and afterwards suffered from a sudden bowel hemorrhaged due to colorectal carcinoma. The histological diagnosis of a pulmonary tumor was poorly differentiated adenocarcinoma. Both Thyroid transcription factor-1 (TTF-1) and Cytokeratin20 (CK20) were immunohistologically negative. Of the some oncogenic mutations investigated, a neuroblastoma RAS viral oncogen homolog (NRAS) codon13 G13D mutation was detected in both the colorectal carcinoma and the pulmonary tumor tissue samples. Based on the result, the pulmonary tumor was diagnosed as a metastasis derived from colorectal carcinoma. DISCUSSION: Recently, examination of the oncogenes of solid carcinomas has been clinically investigated in primary lung caricnoma and in colorectal carcinomas. The clinical advantage of the oncogenic mutation survey is to identify the site, and the type, of amino acid change in detail. This case is a rare successful case of a survey of the oncogenes for giving a differential diagnosis. CONCLUSION: A survey of the oncogenic genes is very useful to make a differential diagnosis between primary lung carcinoma and metastatic lung tumor. PMID- 27865147 TI - Appendicitis as a rare cause of mechanical small-bowel obstruction: A literature review of case reports. AB - INTRODUCTION: Although bowel paralysis accompanying acute appendicitis is well known, mechanical bowel obstruction as a direct consequence of appendicitis remains a rare, but potentially life-threatening, acute abdomen. The aim of our literature review was to find all documented cases of this particular complication and compare them with our own case study. METHODS: We searched the PubMed database for relevant articles published from 1963 to 2015. The study included patients for whom direct links between appendicitis and strangulation of the terminal ileum were found, and for which the disease course had been documented in detail. The study also included our own case report since it met the inclusion criteria. A total of 190 articles were examined with a final yield of 17 case reports from 13 articles. RESULTS: 17 patients (11 men and 6 women), with a mean age of 48+/-23.9years, met the inclusion criteria. The average period between symptom onset and surgery was 3.4+/-3.7 days. Symptoms of the disease were consistent with small-bowel obstruction. Treatment included simple appendectomy (n=7), possibly supplemented by segmental resection (n=5), followed by ileocecal resection (n=4), and one case that required a right-sided hemicolectomy (n=1). CONCLUSION: We found mechanical bowel obstruction directly related to appendiceal inflammation to be extremely rare, and relatively few individual cases involving this potentially life-threatening complication have been documented in the literature. Clinical signs of the disease are variable, non-uniform, and consistent with symptoms of small-bowel obstruction during their progression. PMID- 27865148 TI - Plasma adrenomedullin in critically ill patients with sepsis after major surgery: A pilot study. AB - PURPOSE: Adrenomedullin is released by different tissues in hypoxia, oxidative stress, and inflammation and is found in general and medical patients and, recently, in sepsis patients in emergency departments. The aim of this study was to evaluate biologically active adrenomedullin that mirrors directly the active peptide levels in plasma of surgical intensive care unit (ICU) patients with sepsis. MATERIALS AND METHODS: In this single-center observational pilot trial, 42 ICU patients with sepsis and 14 patients after major surgery were included after sepsis diagnosis or ICU admission. RESULTS: Patients (66% male) were 70 (median) (interquartile range [IQR], 61-77]) years old and had a body mass index of 26.2 (24.2-29.4) kg/m2. The ICU and hospital length of stay was 8 (1-22) and 17 (8-21) days, respectively. Eight patients had sepsis, 19 developed severe sepsis, and 15 suffered from septic shock. Adrenomedullin increased with severity (sepsis: 25.8 pg/mL [IQR 20.3-40.2], severe sepsis: 84.2 pg/mL [IQR 42.7-118.5], septic shock: 119.7 pg/mL [IQR 83.8-172.6]; P<.0001). Higher adrenomedullin was associated with poor 90-day outcomes (P=.019) and more frequent vasopressor use (P=.001). CONCLUSIONS: This is the first study investigating adrenomedullin in patients with sepsis following major surgery. Higher adrenomedullin on admission is associated with increased vasopressor need and mortality after 90 days. Thus, adrenomedullin may be a useful additional parameter in surgical patients with sepsis. PMID- 27865149 TI - Traceable measurement and imaging of the complex permittivity of a multiphase mineral specimen at micron scales using a microwave microscope. AB - This paper describes traceable measurements of the dielectric permittivity and loss tangent of a multiphase material (particulate rock set in epoxy) at micron scales using a resonant Near-Field Scanning Microwave Microscope (NSMM) at 1.2GHz. Calibration and extraction of the permittivity and loss tangent is via an image charge analysis which has been modified by the use of the complex frequency to make it applicable for high loss materials. The results presented are obtained using a spherical probe tip, 0.1mm in diameter, and also a conical probe tip with a rounded end 0.01mm in diameter, which allows imaging with higher resolution (~10um). The microscope is calibrated using approach-curve data over a restricted range of gaps (typically between 1% and 10% of tip diameter) as this is found to give the best measurement accuracy. For both tips the uncertainty of scanned measurements of permittivity is estimated to be+/-10% (at coverage factor k=2) for permittivity ?10. Loss tangent can be resolved to approximately 0.001. Subject to this limit, the uncertainty of loss tangent measurements is estimated to be+/-20% (at k=2). The reported measurements inform studies of how microwave energy interacts with multiphase materials containing microwave absorbent phases. PMID- 27865150 TI - Event-level analysis of alcohol consumption and condom use in partnership contexts among men who have sex with men and transgender women in Lima, Peru. AB - BACKGROUND: We explored the association between alcohol use and condomless receptive (CRAI) and insertive (CIAI) anal intercourse within partnership contexts of men who have sex with men (MSM) and transgender women (TGW) in Lima, Peru. METHODS: From 2012-2014, we surveyed men and TGW (n=1607) who reported anal intercourse with >=1 male or TGW. Alcohol use with up to 3 sexual partners during the prior 90days was evaluated. Bivariate and multivariate analyses used generalized estimating equations to assess event-level associations between alcohol use, CRAI, CIAI, and partnership characteristics while adjusting for participant clustering from multiple partners. RESULTS: Of 4774 sexual partnerships reported, 48% were casual, 34% primary, 10% anonymous, and 8% commercial. Alcohol use preceding sex was significantly (p<0.05) associated with CRAI (PR=1.26) and CIAI (PR=1.37). Partnership characteristics significantly associated with alcohol use included commercial sex work (PR=2.21) and trended (p<0.10) towards alcohol use with casual (PR=1.16), transgender (PR=1.48), and moderno ("versatile"; PR=1.17) partners. CRAI and CIAI were more common among participants who reported knowing they (PR=1.52; PR=1.41, respectively) or their partner (PR=1.47; PR=1.44, respectively) was HIV-uninfected. Yet, only CIAI (PR=1.42) was more commonly reported with known HIV-infected partners. Participants who drank alcohol prior to sex were less likely to know their partner's HIV serostatus. CONCLUSIONS: Alcohol use prior to intercourse was associated with CRAI and CIAI, varied by partnership type, and may impair knowledge of partner HIV serostatus. Detailed knowledge of alcohol use within partner-specific contexts is essential for informing condom-based and alternative HIV prevention strategies for MSM and TGW in Peru. PMID- 27865151 TI - Effects of the benzodiazepine GABAA alpha1-preferring antagonist 3-isopropoxy beta-carboline hydrochloride (3-ISOPBC) on alcohol seeking and self administration in baboons. AB - BACKGROUND: The major inhibitory neurotransmitter, gamma-aminobutyric acid (GABA), modulates many of the behavioral effects of alcohol, including sedation, tolerance, and withdrawal. The alpha1 subunit of the benzodiazepine GABAA receptor is the most widely expressed alpha subunit in the brain, and has been implicated in the reinforcing- and abuse-related effects of alcohol. The aim of the present study was to examine whether treatment with a benzodiazepine GABAA alpha1-preferring ligand, 3-isopropoxy-beta-carboline hydrochloride (3-ISOPBC), selectively decreases alcohol seeking and consumption. METHODS: Eight baboons self-administered alcohol (4% w/v; n=5; alcohol group) or a non-alcoholic beverage (n=3; control group) in Component 3 of a chained schedule of reinforcement. Responses in Component 2 provided indices of motivation to drink (seeking). Doses of 3-ISOPBC (5.0-30.0mg/kg) and vehicle were administered before drinking sessions under both acute and chronic (5day) conditions. RESULTS: Chronic, and not acute, administration of 3-ISOPBC significantly decreased self administration responses, g/kg alcohol consumed, and the number of drinks in and duration of the first drinking bout in the alcohol group. In the control group, chronic administration of 3-ISOPBC did not significantly decrease any of these measures at any of the doses. CONCLUSIONS: The GABAA alpha1-preferring ligand 3 ISOPBC may have therapeutic potential in the treatment of alcohol use disorder due to its ability to selectively reduce alcohol use. PMID- 27865153 TI - Efficient multi-scale 3D CNN with fully connected CRF for accurate brain lesion segmentation. AB - We propose a dual pathway, 11-layers deep, three-dimensional Convolutional Neural Network for the challenging task of brain lesion segmentation. The devised architecture is the result of an in-depth analysis of the limitations of current networks proposed for similar applications. To overcome the computational burden of processing 3D medical scans, we have devised an efficient and effective dense training scheme which joins the processing of adjacent image patches into one pass through the network while automatically adapting to the inherent class imbalance present in the data. Further, we analyze the development of deeper, thus more discriminative 3D CNNs. In order to incorporate both local and larger contextual information, we employ a dual pathway architecture that processes the input images at multiple scales simultaneously. For post-processing of the network's soft segmentation, we use a 3D fully connected Conditional Random Field which effectively removes false positives. Our pipeline is extensively evaluated on three challenging tasks of lesion segmentation in multi-channel MRI patient data with traumatic brain injuries, brain tumours, and ischemic stroke. We improve on the state-of-the-art for all three applications, with top ranking performance on the public benchmarks BRATS 2015 and ISLES 2015. Our method is computationally efficient, which allows its adoption in a variety of research and clinical settings. The source code of our implementation is made publicly available. PMID- 27865154 TI - A narrow bimalleolar width is a risk factor for ankle inversion injury in male military recruits: A prospective study. AB - BACKGROUND: Ankle inversion injuries are one of the most common and burdensome injuries in athletic populations. Research that prospectively identifies characteristics associated with this injury is lacking. This prospective study compared baseline anthropometric and biomechanical gait characteristics of military recruits who sustained an ankle inversion injury during training, with those who remained injury-free. METHODS: Bilateral plantar pressure and three dimensional lower limb kinematics were recorded in 1065 male, injury-free military recruits, during barefoot running. Injuries that occurred during the 32 week recruit training programme were subsequently recorded. Data were compared between recruits who sustained an ankle inversion injury during training (n=27) and a sample (n=120) of those who completed training injury-free. A logistic regression analysis was used to identify risk factors for this injury. FINDINGS: A narrower bimalleolar width and an earlier peak pressure under the fifth metatarsal were predictors of ankle inversion injury. Those who sustained an ankle inversion injury also had a lower body mass, body mass index, and a smaller calf girth than those who completed training injury-free. INTERPRETATION: Anthropometric and dynamic gait characteristics have been identified that may predispose recruits to an ankle inversion injury during Royal Marine recruit training, allowing identification of recruits at higher risk at the start of training. PMID- 27865155 TI - Intuitive biological thought: Developmental changes and effects of biology education in late adolescence. AB - A large body of cognitive research has shown that people intuitively and effortlessly reason about the biological world in complex and systematic ways. We addressed two questions about the nature of intuitive biological reasoning: How does intuitive biological thinking change during adolescence and early adulthood? How does increasing biology education influence intuitive biological thinking? To do so, we developed a battery of measures to systematically test three components of intuitive biological thought: anthropocentric thinking, teleological thinking and essentialist thinking, and tested 8th graders and university students (both biology majors, and non-biology majors). Results reveal clear evidence of persistent intuitive reasoning among all populations studied, consistent but surprisingly small differences between 8th graders and college students on measures of intuitive biological thought, and consistent but again surprisingly small influence of increasing biology education on intuitive biological reasoning. Results speak to the persistence of intuitive reasoning, the importance of taking intuitive knowledge into account in science classrooms, and the necessity of interdisciplinary research to advance biology education. Further studies are necessary to investigate how cultural context and continued acquisition of expertise impact intuitive biology thinking. PMID- 27865156 TI - An unusual case of murder-suicide: The importance of studying knots. AB - An atypical murder-suicide that involved a married couple over 80 years of age was investigated at the Institute of Legal Medicine of the University of Chieti Pescara and is presented and discussed here. The whole story allows us to confront the difficulties involved in the discovery of a dead body in water when the circumstantial evidence does not allow any unique interpretation of the facts. The atypical and misleading element appeared to be how the body of the man was tied, with the interpretation inclined towards a homicidal manner of death. It was only by combining the contributions of each of the findings that emerged during the course of the autopsy with the circumstantial evidence from the site inspection that it was possible to reach resolution of this case, which was then identified as a murder-suicide. PMID- 27865152 TI - Psychoactive medications and disengagement from office based opioid treatment (obot) with buprenorphine. AB - BACKGROUND: The prevalence of psychoactive medications (PAMs) use in patients enrolled in Office Based Opioid Treatment (OBOT) and its association with engagement in this care is largely unknown. OBJECTIVE: To describe the use of PAMs, including those medications with emerging evidence of misuse ("emerging PAMs" - gabapentin, clonidine and promethazine) among patients on buprenorphine, and its association with disengagement from OBOT. METHODS: This is a retrospective cohort study of adults on buprenorphine from January 2002 to February 2014. The association between use of PAMs and 6-month disengagement from OBOT was examined using multivariable logistic regression models. A secondary analysis exploring time-to-disengagement was conducted using Cox regression models. RESULTS: At OBOT entry, 43% of patients (562/1308) were prescribed any PAM; including 17% (223/1308) on an emerging PAM. In separate adjusted analyses, neither the presence of any PAM (adjusted odds ratio [AOR] 1.07, 95% CI [0.78, 1.46]) nor an emerging PAM (AOR 1.28 [0.95, 1.74]) was significantly associated with 6-month disengagement. The results were similar for the Cox model (any PAM (adjusted hazard ratio [AHR] 1.16, 95% CI [1.00, 1.36]), emerging PAM (AHR 1.18 [0.98, 1.41])). Exploratory analyses suggested gabapentin (AHR 1.30 [1.05-1.62]) and clonidine (AHR 1.33 [1.01-1.73]) specifically, may be associated with an overall shorter time to disengagement. CONCLUSIONS: Psychoactive medication use is common among patients in buprenorphine treatment. No significant association was found between the presence of any psychoactive medications, including medications with emerging evidence of misuse, and 6-month disengagement from buprenorphine treatment. PMID- 27865158 TI - Increasing cAMP levels of preadipocytes by cyanidin-3-glucoside treatment induces the formation of beige phenotypes in 3T3-L1 adipocytes. AB - Obesity is a serious health problem and a major risk factor for the onset of several diseases such as heart disease, diabetes, stroke and cancer. The conversion of white adipocytes to brown-like adipocytes, also called beige or brite adipocytes, by pharmacological and dietary compounds has gained attention as an effective treatment for obesity. Cyanidin-3-glucoside (Cy3G), a polyphenolic compound contained in black soybean, blueberry and grape, has several antiobesity effects. However, there are no reports on the role of Cy3G in the induction of differentiation of preadipocytes to beige adipocytes and corresponding phenotypes. Here, the formation of beige adipocyte phenotypes following treatment with Cy3G was evaluated using 3T3-L1 adipocytes. Cy3G induced phenotypic changes to white adipocytes, such as increased multilocular lipid droplets and mitochondrial content. Additionally, the expression of mitochondrial genes (TFAM, SOD2, UCP-1 and UCP-2), UCP-1 protein and beige adipocyte markers (CITED1 and TBX1) in 3T3-L1 adipocytes was increased by Cy3G. Furthermore, Cy3G promoted preadipocyte differentiation by up-regulating of C/EBPbeta through the elevation of the intracellular cAMP levels. These results indicated that Cy3G elevates the intracellular cAMP levels, which induces beige adipocyte phenotypes. This is the first report on the effect of Cy3G on induction of differentiation of preadipocytes into beige adipocyte phenotypes. PMID- 27865157 TI - Allegations of maltreatment in custody. AB - BACKGROUND: Maltreatment in custody overlaps with torture. Concerned governments avoid informing. These governments withhold information and try to impose definitions. Therefore, reports often cannot be verified, with the consequence being classified as "allegation". The misery of a victim influences the recording. Engaged parties modify their reporting according to their intention. The difficulty to verify reports and the position of governments affects the perception and in consequence the presentation. METHODS: Corporeal effects of maltreatment in custody are described. They rely on personal observations, on cases treated in the rehabilitations centres for victims of torture, and personal collections of colleagues. Therefore the material is selective. RESULTS: One can differentiate between not life-threatening maltreatment (with or without mutilation), life-threatening maltreatment, and maltreatment meant to kill. Examples are described. The possibilities of diagnostic imaging are mentioned. The limits of the given overview are pointed out. CONCLUSION: Knowing the possible forms is the basis to recognize allegations. Diagnostic imaging can prove maltreatment in rare cases, only. Reports and observations of maltreatment in custody create emotions. Governments and their organisation react, they withhold information and impose definitions. On the other hand, engaged parties insist that the misery of the victim has priority over the objective description. These positions influence and modify the perception and the use of allegations of maltreatment in custody. PMID- 27865159 TI - Dietary glutamine supplementation enhances endothelial progenitor cell mobilization in streptozotocin-induced diabetic mice subjected to limb ischemia. AB - Diabetes is a metabolic disorder with increased risk of vascular diseases. Tissue ischemia may occur with diabetic vascular complications. Bone marrow-derived endothelial progenitor cells (EPCs) constitute a reparative response to ischemic injury. This study investigated the effects of oral glutamine (GLN) supplementation on circulating EPC mobilization and expression of tissue EPC releasing markers in diabetic mice subjected to limb ischemia. Diabetes was induced by a daily intraperitoneal injection of streptozotocin for 5 days. Diabetic mice were divided into 2 nonischemic groups and 6 ischemic groups. One of the nonischemic and 3 ischemic groups were fed the control diet, while the remaining 4 groups received diets with identical components except that part of the casein was replaced by GLN. The respective diets were fed to the mice for 3 weeks, and then the nonischemic mice were sacrificed. Unilateral hindlimb ischemia was created in the ischemic groups, and mice were sacrificed at 1, 7 or 21 days after ischemia. Their blood and ischemic muscle tissues were collected for further analyses. Results showed that plasma matrix metallopeptidase (MMP)-9 and the circulating EPC percentage increased after limb ischemia in a diabetic condition. Compared to groups without GLN, GLN supplementation up-regulated plasma stromal cell-derived factor (SDF)-1 and muscle MMP-9, SDF-1, hypoxia inducible factor-1 and vascular endothelial growth factor gene expression. The CD31-immunoreactive intensities were also higher in the ischemic limb. These findings suggest that GLN supplementation enhanced circulating EPC mobilization that may promote endothelium repair at ischemic tissue in diabetic mice subjected to limb ischemia. PMID- 27865160 TI - Aetiological relationships between factors associated with postnatal traumatic symptoms among Japanese primiparas and multiparas: A longitudinal study. AB - OBJECTIVE: this study aims to identify the aetiological relationships of psychosocial factors in postnatal traumatic symptoms among Japanese primiparas and multiparas. DESIGN: a longitudinal, observational survey. SETTING: participants were recruited at three institutions in Tokyo, Japan between April 2013 and May 2014. Questionnaires were distributed to 464 Japanese women in late pregnancy (> 32 gestational weeks, Time 1), on the third day (Time 2) and one month (Time 3) postpartum. MEASUREMENTS: The Japanese Wijma Delivery Expectancy/Experience Questionnaire (JW-DEQ) version A was used to measure antenatal fear of childbirth and social support, while the Impact of Event Scale Revised (IES-R) measured traumatic stress symptoms due to childbirth. FINDINGS: of the 464 recruited, 427 (92%) completed questionnaires at Time 1, 358 (77%) completed at Time 2, and 248 (53%) completed at Time 3. Total 238 (51%) were analysed. A higher educational level has been identified in analysed group (p=0.021) Structural equation modelling was conducted separately for primiparas and multiparas and exhibited a good fit. In both groups antenatal fear of childbirth predicted Time 2 postnatal traumatic symptoms (beta=0.33-0.54, p=0.002 0.007). Antenatal fear of childbirth was associated with a history of mental illness (beta=0.23, p=0.026) and lower annual income (beta =-0.24, p=0.018). Among multiparas, lower satisfaction with a previous delivery was related to antenatal fear of childbirth (beta =-0.28, p < 0.001). KEY CONCLUSIONS: antenatal fear of childbirth was a significant predictor of traumatic stress symptoms after childbirth among both primiparous and multiparous women. Fear of childbirth was predicted by a history of mental illness and lower annual income for primiparous women, whereas previous birth experiences were central to multiparous women. IMPLICATION FOR PRACTICE: the association between antenatal fear of childbirth and postnatal traumatic symptoms indicates the necessity of antenatal care. It may be important to take account of the background of primiparous women, such as a history of mental illness and their attitude towards the upcoming birth. For multiparous women, focusing on and helping them to view their previous birth experiences in a more positive light are vital tasks for midwives. PMID- 27865161 TI - Experiences of student midwives learning and working abroad in Europe: The value of an Erasmus undergraduate midwifery education programme. AB - BACKGROUND: universities in the United Kingdom are being challenged to modify policies and curricula that reflect the changing global reality through internationalisation. An aspect of internationalisation is study abroad which the European Commission Erasmus exchange programme is just one means of addressing this. OBJECTIVE: to explore the experiences of student midwives who are engaged in the Erasmus exchange programme and the effect it has on their learning and working in an international context. DESIGN: approval for the small phenomenological cohort study was obtained from two participating universities: the University of Malta and University of Nottingham. Data were collected from 13 student midwives from a total of five cohorts in the form of diaries to explore their experiences of learning and working in another country. Thematic analysis supported by Computer-Assisted Qualitative Data Analysis Software was used to identify five recurrent themes emerging from the data: the findings of which have served further in developing this programme. FINDINGS: students valued the opportunity of undertaking study and midwifery practice in another culture and healthcare system, extending their knowledge and development of clinical competence and confidence. For some, this was the first time outside of their home country and adaptation to a new environment took time. Support from their contemporaries, lecturers and midwife mentors however, was overwhelmingly positive, enabling the students to feel 'part of the local university / midwifery team' By the end of the programme, the students recognised that they had become more independent and felt empowered to facilitate developments in practice when they returned home. IMPLICATIONS FOR EDUCATION / PRACTICE: this innovative development embracing internationalisation within the curricula has the potential to increase students' employability and further study within Europe and beyond. It can be used as a vehicle to share best practice within an international context, ultimately making a difference to the quality of care childbearing women, their babies and families experience worldwide. PMID- 27865162 TI - Irradiation-induced secretion of BMP4 by marrow cells causes marrow adipogenesis post-myelosuppression. AB - Pre-transplant myeloablation is associated with marrow adipogenesis, resulting in delayed engraftment of hematopoietic stem cells (HSCs). This is strongly undesirable, especially when the donor HSCs are fewer in numbers or have compromised functionality. The molecular mechanisms behind irradiation-induced marrow adipogenesis have not been extensively investigated. Here we show that bone marrow (BM) cells, especially T-cells and stromal cells, express and secrete copious amounts of BMP4 in response to irradiation, which causes the bone marrow stromal cells to commit to adipocyte lineage, thereby contributing to an increase in bone marrow adipogenesis. We further demonstrate that Simvastatin inhibits the BMP4-mediated adipogenic commitment of marrow stromal cells by inhibiting Ppar gamma expression. Importantly, Simvastatin does not prevent BMP4 secretion by the BM cells, and thus does not interfere with its salutary role in post-transplant hematopoietic regeneration. Our data identify previously unknown mechanisms operative in marrow adipogenesis post-myeloablation. They also reveal the molecular mechanisms behind the advantage of using Simvastatin as a niche targeting agent to improve HSC engraftment. PMID- 27865163 TI - Evaluation of patients with type 2 diabetes mellitus receiving treatment during the pre-diabetes period: Is early treatment associated with improved outcomes? AB - AIM: This study evaluates the association of pretreatment with oral antidiabetics (OADs) on clinical outcomes and health resource utilization among commercially insured type II diabetes mellitus (T2DM) patients in the United States. METHODS: Using administrative data (Truven MarketScan(r) Research Databases), patients diagnosed with T2DM between 2007 and 2014 with ?6months continuous enrolment pre- and post-diagnosis were evaluated. Pretreatment was defined as OAD use at least 3months prior to T2DM diagnosis. Time-to-insulin initiation and healthcare costs were compared by OAD pretreatment status. RESULTS: Of the 866,605 patients studied, 241,856 (27.9%) were pretreated prior to T2DM diagnosis. Mean follow-up was 2.9years for pretreatment and 3.1years for those without pretreatment. Monthly diabetes-related pharmacy costs were significantly higher among pretreated patients ($66 versus $36, p<0.0001), as were overall monthly pharmacy costs ($255 versus $198, p<0.0001). Pretreated patients had lower mean monthly costs, both total ($625 versus $671, p<0.0001) and diabetes-related ($207 versus $214, p=0.0012). After multivariable adjustment, mean monthly diabetes-related total healthcare costs were higher among pretreated patients (+$60) but total all cause monthly healthcare costs were significantly lower (-$354) (both p<0.05). Pretreatment was associated with a lower insulin initiation probability for 2years, after which probability was similar; the adjusted hazard ratio for pretreatment in a time-to-insulin model was 0.96 (95% CI, 0.94-0.97). CONCLUSIONS: Pretreatment with OADs is associated with a modest delay in initiating insulin therapy and lower total healthcare costs. The clinical and pharmacoeconomic benefits of pretreatment should be elucidated in a prospective study. PMID- 27865164 TI - Metformin improves lipid metabolism disorders through reducing the expression of microsomal triglyceride transfer protein in OLETF rats. AB - OBJECTIVE: This study aimed to investigate the role of MTP on lipid metabolism disorders in insulin-resistant rats and the potential mechanism through which metformin can improve lipid metabolism disorders. METHODS: 30 OLETF rats served as research subjects and 18 LETO rats of the same strain served as the control group (LETO group). After the first oral glucose tolerance test (at 8-week-old), 6 rats were randomly killed from each group. The remaining 24 OLETF rats were randomly divided into untreated group (OLETF group) and treated group (OLETF/M group, cured with metformin). By the end of the 10th and 20th week of treatment, MTP in the liver was measured for all rats in the study. RESULTS: All OLETF rats exhibited diabetic phenotypes at 18-week-old, with their triglyceride level higher than in LETO rats at the same age. In OLETF rats, MTP level in the liver was higher than in LETO rats at 18-week-old, and the difference was significant at 28-week-old [(13.79+/-1.47) vs. (8.20+/-1.14), p<0.05]. Treatment with metformin for 20weeks decreased triglyceride [(1.06+/-0.23) vs. (2.20+/-0.62) mmol/L, p<0.05] and total cholesterol [(1.90+/-0.19) vs. (2.36+/-0.14) mmol/L, p<0.05] in OLETF rats. Metformin also decreased MTP level in the liver [(7.65+/ 1.31) vs. (13.79+/-1.47), p<0.01]. CONCLUSIONS: MTP may be associated with the lipid metabolism disorder in OLETF rats and metformin could improve lipid metabolism through reducing the expression of MTP. PMID- 27865165 TI - The utility of diabetes risk score items as predictors of incident type 2 diabetes in Asian populations: An evidence-based review. AB - BACKGROUND: The prevalence of type 2 diabetes mellitus is rising, with many Asian countries featured in the top 10 countries with the highest numbers of persons with diabetes. Reliable diabetes risk scores enable the identification of individuals at risk of developing diabetes for early intervention. OBJECTIVES: This article aims to identify common risk factors in the risk scores with the highest discrimination; factors with the most influence on the risk score in Asian populations, and to propose a set of factors translatable to the multi ethnic Singapore population. METHODS: A systematic search of PubMed and EMBASE databases was conducted to identify studies published before August 2016 that developed risk prediction models for incident diabetes. RESULTS: 12 studies were identified. Risk scores that included laboratory measurements had better discrimination. Coefficient analysis showed fasting glucose and HbA1c having the greatest impact on the risk score. CONCLUSION: A proposed Asian risk score would include: family history of diabetes, age, gender, smoking status, body mass index, waist circumference, hypertension, fasting plasma glucose, HbA1c, HDL cholesterol and triglycerides. Future research is required on the influence of ethnicity in Singapore. The risk score may potentially be used to stratify individuals for enrolment into diabetes prevention programmes. PMID- 27865166 TI - Ethyl pyruvate inhibits the acetylation and release of HMGB1 via effects on SIRT1/STAT signaling in LPS-activated RAW264.7 cells and peritoneal macrophages. AB - High mobility group box 1 (HMGB1), a cytokine present in the late phase of sepsis, may be a potential target for the treatment of sepsis. For HMGB1 to be actively secreted from macrophages during infections, it must be post translationally modified. Although ethyl pyruvate (EP), a simple aliphatic ester derived from pyruvic acid, has been shown to inhibit the release of HMGB1 in lipopolysaccharide (LPS)-treated RAW 264.7 cells, the underlying mechanism(s) are not yet clear. We investigated the hypothesis that the upregulation of SIRT1 by EP might promote the deacetylation of HMGB1, which reduces HMGB1 release in LPS activated macrophages. Our results show that EP induced the expression of the SIRT1 protein in RAW264.7 cells and that it significantly inhibited the LPS induced acetylation of HMGB1. Transfection with a SIRT1-overexpressing vector resulted in a significant decrease in the acetylation of HMGB1 in LPS-activated RAW264.7 cells relative to control cells. The genetic ablation or the pharmacological inhibition of SIRT1 by sirtinol increased LPS-induced HMGB1 acetylation. Moreover, EP inhibited the acetylation of HMGB1 in peritoneal macrophages treated with LPS. Interestingly, EP significantly reduced the LPS induced phosphorylation of STAT1, which was significantly reversed by siSIRT1 transfection in RAW264.7 cells, indicating that SIRT1 negatively regulates the phosphorylation of STAT1. Overall, the results show that EP promotes the deacetylation of HMGB1 via the inhibition of STAT1 phosphorylation through the upregulation of SIRT1, which reduces HMGB1 release in LPS-activated RAW264.7 cells. In conclusion, EP might be useful in the treatment of diseases that target HMGB1, such as sepsis. PMID- 27865167 TI - Accurate spectroscopic calculations of the 21 Lambda-S states and 42 Omega states of the SiB radical. AB - The potential energy curves were calculated for the 21 Lambda-S states, which were generated from the first two dissociation channels, Si(3Pg)+B(2Pu) and Si(1Dg)+B(2Pu), of the SiB radical. The potential energy curves were computed for the 42 Omega states, which arose from the 21 Lambda-S states. The calculations were done using the CASSCF method, which was followed by the icMRCI approach. Of these 21 Lambda-S states, the D4Sigma-, i2Sigma+, j2Pi, 52Pi, and 12Phi states had double wells. The D4Sigma-, a2Pi, A4Pi, e2Pi, j2Pi, 52Pi, h2Delta, and 12Phi states were inverted with the spin-orbit coupling effect taken into account. The 32Delta state and the second wells of D4Sigma- and 12Phi states were weakly bound. Core-valence correlation correction, scalar relativistic correction and Davidson correction were included. The spectroscopic parameters were determined and the vibrational properties of some weakly-bound states were predicted. The spin-orbit coupling effect on the spectroscopic parameters was evaluated. Comparison with available experimental data shows that the methodology used is highly accurate for the SiB radical. PMID- 27865168 TI - Peristrut microhemorrhages: a possible cause of in-stent neoatherosclerosis? AB - BACKGROUND: In-stent neoatherosclerosis is characterized by the delayed appearance of markers of atheroma in the subintima, but the pathophysiology underlying this new disease entity remains unclear. METHODS AND RESULTS: We collected 20 human coronary artery stents by removal from explanted hearts. The mean duration of stent implantation was 34 months. In all samples, neoatherosclerosis was detected, particularly in peristrut areas. It consisted of foam cells and cholesterol clefts, with or without calcification, associated with neovascularization. Iron and glycophorin-A were present in peristrut areas, as well as autofluorescent ceroids. Moreover, in response to neoatherosclerosis, tertiary lymphoid organs (tissue lymphoid clusters) often developed in the adventitia. Some of these features could be reproduced in an experimental carotid stenting model in rabbits fed a high-cholesterol diet. Foam cells were present in all samples, and peristrut red blood cells (RBCs) were also detected, as shown by iron deposits and Bandeiraea simplicifiola isolectin-B4 staining of RBC membranes. Finally, in silico models were used to evaluate the compliance mismatch between the rigid struts and the distensible arterial wall using finite element analysis. They show that stenting approximately doubles the local von Mises stress in the intimal layer. CONCLUSIONS: We show here that stent implantation both in human and in rabbit arteries is characterized by local peristrut microhemorrhages and finally by both cholesterol accumulation and oxidation, triggering together in-stent neoatherosclerosis. Our data indicate that these processes are likely initiated by an increased mechanical stress due to the compliance mismatch between the rigid stent and the soft wall. PMID- 27865169 TI - The effect of TiO2 nanoparticles removal on drinking water quality produced by conventional treatment C/F/S. AB - Nanoparticles, namely titanium dioxide (TiO2), are emerging contaminants widely used to commercial and industrial applications, are a potential hazard and can cause damage to environment and human health due to their toxicity. Therefore, their removal from the water is urgent to minimize or eliminate the adverse environmental and human effects. This work, investigates the efficiency of conventional coagulation/flocculation/sedimentation (C/F/S) from drinking water treatment to remove TiO2 nanoparticles (NPs) from surface waters, and pretends to understand if the removal of TiO2 NPs affects the ability of C/F/S to remove natural organic matter (NOM) and turbidity, and consequently affects the quality of the treated water. Results show that TiO2 NPs removal is high (>90%) for all the waters studied (hydrophobic and hydrophilic waters) and the treated water quality is not compromised (turbidity, Ti and Al concentrations, pH and conductivity are below the national and international guidelines). In addition, TiO2 initial concentrations, ranging between 0.2 and 10 mg/L, have not a significant impact on NPs removal by C/F/S. Therefore, the widely used polyaluminium based coagulants are effective in the removal of TiO2 NPs by conventional C/F/S treatment, but removal is strongly influenced by the water characteristics. Hydrophobic waters need a higher coagulant dose than hydrophilic waters to achieve the same TiO2 NPs removals, as well as water with higher UV254nm values. The principal mechanism involved in TiO2 NPs removal is charge neutralisation. PMID- 27865170 TI - Long-term wastewater irrigation of vegetables in real agricultural systems: Concentration of pharmaceuticals in soil, uptake and bioaccumulation in tomato fruits and human health risk assessment. AB - Wastewater (WW) reuse for vegetable crops irrigation is regularly applied worldwide. Such a practice has been found to allow the uptake of pharmaceutical active compounds (PhACs) by plants and their subsequent entrance to the food web, representing an important alternative pathway for the exposure of humans to PhACs, with potential health implications. Herein we report the impacts of the long-term (three consecutive years) WW irrigation of a tomato crop with two differently treated effluents under real agricultural conditions, on (1) the soil concentration of selected PhACs (i.e. diclofenac, DCF; sulfamethoxazole, SMX; trimethoprim, TMP), (2) the bioaccumulation of these PhACs in tomato fruits, and (3) the human risks associated with the consumption of WW-irrigated fruits. Results revealed that the concentration of the studied PhACs in both the soil and tomato fruits varied depending on the qualitative characteristics of the treated effluent applied and the duration of WW irrigation. The PhAC with the highest soil concentration throughout the studied period was SMX (0.98 MUg kg-1), followed by TMP (0.62 MUg kg-1) and DCF (0.35 MUg kg-1). DCF was not found in tomato fruits harvested from WW-irrigated plants during the first year of the study. However, DCF displayed the highest fruit concentration (11.63 MUg kg-1) throughout the study (as a result of prolonged WW irrigation), followed by SMX (5.26 MUg kg-1) and TMP (3.40 MUg kg-1). The calculated fruit bioconcentration factors (BCFF) were extremely high for DCF in the 2nd (108) and 3rd year (132) of the experimental period, with the respective values for SMX (0.5-5.4) and TMP (0.2-6.4) being significantly lower. The estimated threshold of toxicity concern (TTC) and hazard quotients (HQ) values revealed that the consumption of fruits harvested from tomato plants irrigated for long period with the WW applied for irrigation under field conditions in this study represent a de minimis risk to human health. However, more studies need to be performed in order to obtain more solid information on the safety of WW reuse for irrigation. PMID- 27865172 TI - Settling regimen transitions quantify solid separation limitations through correlation with floc size and shape. AB - This study monitored three different activated sludge systems from the Blue Plains Advanced Wastewater Plant for a 1 year period to explore the relationship between effluent quality and activated sludge settling and flocculation behavior. Hindered settling rates (ISV) and sludge volume index (SVI) measurements were collected weekly. Novel metrics based on the solids concentration at which the transition between settling regimens occurred were also collected weekly. The transitional metrics were Threshold of Flocculation (TOF), and Limit of Stokesian Settling (LOSS). They marked the transition from discreet to flocculant settling, and from flocculant to hindered settling, respectively. A pilot clarifier and settling column were run and filmed to determine floc morphological properties. SVI was found to lose sensitivity (r < 0.20) when characterizing ISV above a hindered settling rate of 3 m h-1. ISV and LOSS had a strong correlation (r = 0.71), but ISV was subject to change, depending on the solids concentration. Two sludge matrix limitations influencing effluent quality were characterized by transition concentrations; pinpoint floc formation, and loose floc formation. Pinpoint flocs had TOF values above 400 mg TSS L-1; loose floc formation sludge had TOF and LOSS values below 400 mg TSS L-1 and 900 mg TSS L-1, respectively. TOF was found to correlate with the particle size distribution while LOSS correlated to the settling velocity distribution. The use of both TOF and LOSS is a quick and effective way to characterize limitations effecting effluent quality. PMID- 27865171 TI - Iron and manganese removal: Recent advances in modelling treatment efficiency by rapid sand filtration. AB - A model has been developed that takes into account the main characteristics of (submerged) rapid filtration: the water quality parameters of the influent water, notably pH, iron(II) and manganese(II) concentrations, homogeneous oxidation in the supernatant layer, surface sorption and heterogeneous oxidation kinetics in the filter, and filter media adsorption characteristics. Simplifying assumptions are made to enable validation in practice, while maintaining the main mechanisms involved in iron(II) and manganese(II) removal. Adsorption isotherm data collected from different Dutch treatment sites show that Fe(II)/Mn(II) adsorption may vary substantially between them, but generally increases with higher pH. The model is sensitive to (experimentally) determined adsorption parameters and the heterogeneous oxidation rate. Model results coincide with experimental values when the heterogeneous rate constants are calibrated. PMID- 27865173 TI - Accelerated cognitive decline in a rodent model for temporal lobe epilepsy. AB - OBJECTIVE: Cognitive impairment is frequently observed in patients with temporal lobe epilepsy. It is hypothesized that cumulative seizure exposure causes accelerated cognitive decline in patients with epilepsy. We investigated the influence of seizure frequency on cognitive decline in a rodent model for temporal lobe epilepsy. METHODS: Neurobehavioral assessment was performed before and after surgery, after the induction of self-sustaining limbic status epilepticus (SSLSE), and in the chronic phase in which rats experienced recurrent seizures. Furthermore, we assessed potential confounders of memory performance. RESULTS: Rats showed a deficit in spatial working memory after the induction of the SSLSE, which endured in the chronic phase. A progressive decline in recognition memory developed in SSLSE rats. Confounding factors were absent. Seizure frequency and also the severity of the status epilepticus were not correlated with the severity of cognitive deficits. SIGNIFICANCE: The effect of the seizure frequency on cognitive comorbidity in epilepsy has long been debated, possibly because of confounders such as antiepileptic medication and the heterogeneity of epileptic etiologies. In an animal model of temporal lobe epilepsy, we showed that a decrease in spatial working memory does not relate to the seizure frequency. This suggests for other mechanisms are responsible for memory decline and potentially a common pathophysiology of cognitive deterioration and the occurrence and development of epileptic seizures. Identifying this common denominator will allow development of more targeted interventions treating cognitive decline in patients with epilepsy. The treatment of interictal symptoms will increase the quality of life of many patients with epilepsy. PMID- 27865174 TI - Maraviroc in addition to cART during primary HIV infection: Results from MAIN randomized clinical trial and 96-weeks follow-up. AB - BACKGROUND: Multi-targeted treatment strategies including maraviroc (MVC) during Primary HIV Infection (PHI) may benefit from the immune-modulatory properties of this CCR5-inhibitor. OBJECTIVES: We conducted a proof-of-concept clinical trial aimed at assessing whether maraviroc in addition of a combination antiretroviral therapy (cART) initiated during PHI would improve immunological and virological parameters. STUDY DESIGN: The MAIN (Maraviroc in HIV Acute INfection) study was a randomized open-label clinical trial (EUDRACT number: 2008-007004-29) which enrolled 29 patients with PHI. Subjects were randomly assigned to receive cART only (cART), cART+8 weeks of MVC (ST-MVC) or cART+48 weeks of MVC (LT-MVC), regardless of predicted co-receptor usage. After 48 weeks patients in ST-MVC and LT-MVC groups discontinued MVC. Patients were evaluated at week 48 and at week 96 of follow-up to assess differences in CD4 T-cell gain and plasma HIV-RNA. RESULTS: Twenty-nine patients were enrolled. Seven patients (24%) had a predicted CXCR4 co-receptor usage. At week 48, 27 patients (93.1%) reached HIV RNA<50cps/mL. Median CD4 T-cell count increase was 313 cells/MUL (p<0.001, Wilcoxon signed-rank test). At multivariate linear regression analysis, LT-MVC arm had the greatest CD4 T-cell increase, while patients in ST-MVC arm had the least gain in CD4 T-cells (p=0.007). At week 96, multivariate analysis showed no associations between former treatment arm and CD4 T-cell gain. CONCLUSIONS: The MAIN study showed that MVC for 48 weeks in addition to cART during PHI was able to enhance CD4 T-cell gain, regardless of co-receptor usage. After MVC discontinuation, the difference between treatment arms was lost. PMID- 27865176 TI - Adoptive immunotherapy for hematological malignancies: Current status and new insights in chimeric antigen receptor T cells. AB - Hematological malignancies frequently express cancer-associated antigens that are shared with normal cells. Such tumor cells elude the host immune system because several T cells targeted against self-antigens are removed during thymic development, and those that persist are eliminated by a regulatory population of T cells. Chimeric antigen receptor-modified T cells (CAR-Ts) have emerged as a novel modality for tumor immunotherapy due to their powerful efficacy against tumor cells. These cells are created by transducing genes-coding fusion proteins of tumor antigen-recognition single-chain Fv connected to the intracellular signaling domains of T cell receptors, and are classed as first-, second- and third-generation, differing on the intracellular signaling domain number of T cell receptors. CAR-T treatment has emerged as a promising approach for patients with hematological malignancies, and there are several works reporting clinical trials of the use of CAR-modified T-cells in acute lymphoblastic leukemia, chronic lymphoblastic leukemia, multiple myeloma, lymphoma, and in acute myeloid leukemia by targeting different antigens. This review reports the history of adoptive immunotherapy using CAR-Ts, the CAR-T manufacturing process, and T cell therapies in development for hematological malignancies. PMID- 27865175 TI - JAK2V617F-mutant vascular niche contributes to JAK2V617F clonal expansion in myeloproliferative neoplasms. AB - The myeloproliferative neoplasms (MPNs) are characterized by hematopoietic stem/progenitor cell (HSPC) expansion and overproduction of blood cells. The acquired mutation JAK2V617F plays a central role in these disorders. Mechanisms responsible for MPN HSPC expansion is not fully understood, limiting the effectiveness of current treatments. Endothelial cells (ECs) carrying the JAK2V617F mutation can be detected in patients with MPNs, suggesting that ECs are involved in the pathogenesis of MPNs. Here we report that JAK2V617F-bearing primary murine ECs have increased cell proliferation and angiogenesis in vitro compared to JAK2WT ECs. While there was no difference between JAK2V617F and JAK2WT HSPC proliferation when co-cultured with JAK2WT EC, the JAK2V617F HSPC displayed a relative growth advantage over the JAK2WT HSPC when co-cultured on JAK2V617F EC. In addition, the thrombopoietin (TPO) receptor MPL is up regulated in JAK2V617F ECs and contributes to the maintenance/expansion of the JAK2V617F clone over JAK2WT clone in vitro. Considering that ECs are an essential component of the hematopoietic niche and most HSPCs reside in the perivascular niche, our studies suggest that the JAK2V617F-bearing ECs form an important component of the MPN vascular niche and contribute to mutant stem/progenitor cell expansion, likely through a critical role of the TPO/MPL signaling axis. PMID- 27865177 TI - Association of plasma xanthine oxidoreductase activity with severity and clinical outcome in patients with chronic heart failure. AB - BACKGROUND: Oxidative stress due to purine degradation is associated with the development of chronic heart failure (CHF). Xanthine oxidoreductase (XOR) is a rate-limiting enzyme of purine degradation that plays a key role in uric acid (UA) production with a resultant increase in reactive oxygen species. However, the relationship between plasma XOR activity and CHF severity and clinical outcome remains unclear. METHODS AND RESULTS: We measured XOR activity in 440 patients with CHF and 44 control subjects. Abnormally high and low XOR activities were identified based on the results for 95% of the control subjects (high and low XOR activities >=120 and <33pmol/100MUL/h, respectively). The prevalence rates of high and low XOR activities increased with advancing New York Heart Association functional class. There were 158 cardiac events during a median follow-up period of 1034days. Multivariate Cox proportional hazard regression analysis showed that both high and low XOR activities were significantly associated with cardiac events in patients with CHF after adjustment for confounding risk factors including serum UA and loop diuretic use. Kaplan-Meier analysis revealed that the cardiac event rate was significantly higher in patients with either high or low XOR activity. The net reclassification index was significantly improved by adding XOR activity to the basic risk factors. CONCLUSIONS: We provide the first evidence of an association of plasma XOR activity with CHF severity and clinical outcome. Plasma XOR activity could be used to identify high-risk CHF patients and could be a therapeutic target for XOR inhibitors. PMID- 27865178 TI - Usefulness of soluble urokinase plasminogen activator receptor (suPAR) as an inflammatory biomarker in obese children. AB - OBJECTIVE: Soluble urokinase plasminogen activator receptor (suPAR) has emerged as a relatively new biomarker that reflects increased inflammatory status and been associated with cardiovascular risk. We wanted to investigate the predictive value and usefulness of suPAR as an inflammatory biomarker in obese children. METHODS AND RESULTS: Of the total 136 participants, 76 (36 male, 40 female) were in obese group and 60 (24 male, 36 female) were in control group. The median age was 12.05 (6.16-17.30) years old for obese group, and 12.83 (8.00-16.75) years old for control group. Obese children had statistically significantly higher heart rate, systolic and diastolic blood pressure, EAT and LV mass than control group (p<0.01). The median suPAR level in obese group was not statistically different than in control group (0.54 vs. 0.59, p=0.26). The median hsCRP level in obese group was found statistically significantly higher than in control group (1.97 vs. 0.41, p<0.01). A significant positive correlation between hsCRP and BMI in the obese participants was found (r=0.45, p<0.01), but not a relationship between suPAR and BMI (r=-0.21, p>0.05). CONCLUSION: Our research did not demonstrate the usefulness of suPAR as an inflammatory biomarker and a predictive value for future atherosclerosis in obese children. Further studies with larger sample size are required to determine whether suPAR is useful as an inflammatory biomarker in childhood obesity. PMID- 27865179 TI - Right coronary artery disappeared after giant right coronary artery fistula draining into left ventricle occluded by VSD occluder-What we can learn from this? PMID- 27865180 TI - Detection of right ventricular myocardial fibrosis using quantitative CT attenuation of the right ventricular myocardium in the late phase on 320 slice CT in subjects with pulmonary hypertension. AB - PURPOSE: Right ventricular myocardial (RVM) fibrosis may be a significant indicator of prognosis in pulmonary hypertension (PH). To detect the presence of RVM fibrosis in PH subjects, we employed ECG gated 320-slice CT. METHODS: 62 confirmed PH subjects (16 males; 55+/-16years; 45 chronic thromboembolic PH (CTEPH) who underwent conventional non-surgical medical therapy; and 17 pulmonary arterial hypertension (PAH)) underwent ECG-gated 320-slice CT. On CT, RV fibrosis was defined as contrast defect in the early phase and conversely abnormal enhancement in the late phase. RESULTS: RVM fibrosis was observed in 14 subjects (23%) on CT (CTEPH 22%; PAH 29%; P=0.91). CT attenuation of RVM in the late phase was significantly greater in subjects with RVM fibrosis than in those without (P=0.025). ROC curves of CT attenuation of RVM in the early and late phase, and ratio of CT attenuation of RVM in the early phase/late phase showed AUCs of 0.55, 0.70, and 0.65, respectively. The best cutoff points of 79.5 HU (sensitivity of 50% and specificity of 69% for CT attenuation of RVM in the early phase, P=0.59), 99.5 HU (sensitivity of 50% and specificity of 88% for CT attenuation of RVM in the late phase, P=0.025), and 1.416 (sensitivity of 29% and specificity of 94% for ratio of CT attenuation of RVM in the early phase/late phase, P=0.092) were used to distinguish subjects+/-RVM fibrosis. CONCLUSION: Quantitative-measurement of CT attenuation of RVM in the late phase may be able to detect presence of RVM fibrosis in PH subjects. PMID- 27865181 TI - Radial artery diameter does not correlate with body mass index: A duplex ultrasound analysis of 1706 patients undergoing trans-radial catheterization at three experienced radial centers. AB - BACKGROUND: We examined whether the radial artery diameter is correlated with body mass index (BMI) in patients undergoing transradial catheterization. METHODS: 1706 patients undergoing trans-radial catheterization at three experienced, high-volume, radial centers were analyzed. Radial and ulnar artery diameters were determined by ultrasound in the distal third of the forearm one day post procedure. Pearson correlation test was used to measure the relationship between continuous variables. RESULTS: Radial diameter was larger than the ulnar artery [median 2.8mm (interquartile range (IQR): 2.4-3.1mm) vs. median 2.4mm (IQR: 2.1-2.6mm), p<0.001]. Women had smaller radial and ulnar arteries compared to men [median 2.6mm (IQR: 2.3-2.9mm) vs. median 2.8 (IQR: 2.4-3.2mm), p<0.001 and median 2.2mm (IQR: 2.0-2.5mm) vs. median 2.5mm (IQR: 2.2-2.7mm), p<0.001, respectively]. There was no correlation between radial diameter and BMI (Pearson correlation=0.003, p=0.88 (2-sided)), but a strong linear correlation between the radial and ulnar artery diameter existed (Pearson correlation=0.48, p<0.001 (2 sided)). After adjustment for clinical variables including diabetes, gender, and age, female gender was associated with smaller radial diameter (<2.8mm) (odds ratio 1.72; 95% CI 1.40-2.12, p<0.001). CONCLUSIONS: No correlation was observed between radial artery diameter and BMI, although female gender was associated with smaller radial diameter. This suggests catheterization can be performed without anthropometric consideration, although it should be recognized women may have smaller radial arteries. As the diameter of the radial is larger than the ulnar artery, the radial should remain the default catheterization access-site. PMID- 27865182 TI - Early initiation of eicosapentaenoic acid and statin treatment is associated with better clinical outcomes than statin alone in patients with acute coronary syndromes: 1-year outcomes of a randomized controlled study. AB - BACKGROUND: Early initiation of EPA treatment in combination with a statin within 24h after percutaneous coronary intervention (PCI) in patients with acute myocardial infarction (MI) reduces inflammation and ventricular arrhythmia compared with statin monotherapy; however, the impact of early initiation of EPA treatment on cardiovascular events is unclear. We determined whether early eicosapentaenoic acid (EPA) treatment in patients with acute coronary syndrome (ACS) reduces adverse cardiovascular events. METHODS: This prospective, open label, blind end point-randomized trial consisted of 241 patients with ACS. Patients were randomly assigned to receive pitavastatin (2mg/day) with or without 1800mg/day of EPA initiated within 24h after PCI. The primary endpoint was defined as cardiovascular events occurring within 1year, including death from a cardiovascular cause, nonfatal stroke, nonfatal MI and revascularization. RESULTS: The mean EPA/arachidonic acid ratio at follow-up was 0.40 in the control group and 1.15 in the EPA group. A primary endpoint event occurred in 11 patients (9.2%) in the EPA group and 24 patients (20.2%) in the control group (absolute risk reduction, 11.0%; hazard ratio, 0.42; 95% confidence interval, 0.21 to 0.87; P=0.02). Notably, death from a cardiovascular cause at 1year was significantly lower in the EPA group than in the control group (0.8% vs. 4.2%, P=0.04). CONCLUSIONS: Early initiation of treatment with EPA combined with statin after successful primary PCI reduced cardiovascular events after ACS. CLINICAL TRIAL REGISTRATION: UMIN Clinical Trials Registry (UMIN-CTR); Registry Number, UMIN000016723; URL, http://www.umin.ac.jp/ctr/index-j.htm. PMID- 27865183 TI - Feasibility of low radiation dose retrospectively-gated cardiac CT for functional analysis in adult congenital heart disease. AB - BACKGROUND: The use of cardiac computed tomography (CT) in the evaluation of adult congenital heart disease patients is limited due to concerns of high radiation doses. The purpose of this study was to prospectively assess whether low radiation dose cardiac CT is feasible to evaluate ventricular systolic function in adults with congenital heart disease. METHODS: The study group included 30 consecutive patients with significant congenital heart disease who underwent a total of 35 ECG-gated cardiac CT scans utilizing a 320-detector row CT scanner. Each study included a non-contrast scan and subsequent contrast enhanced retrospectively-gated acquisition. Effective radiation dose was estimated by multiplying the dose length product by a k-factor of 0.014mSv/mGycm. RESULTS: The mean age of the patients was 34.4+/-8.9years, 60% were men, and mean body mass index was 24.2+/-4.3kg/m2. A majority of patients (n=28, 93.3%) had contraindications to cardiac MRI. A tube potential of 80kV was used in 27 (77.1%) of the contrast-enhanced scans. The mean signal-to-noise and contrast-to-noise ratios were 11.5+/-3.9 and 10.3+/-3.7, respectively. The median radiation dose for non-contrast and contrast-enhanced images were 0.1mSv (0.07-0.2mSv) and 0.94mSv (0.5-2.1mSv), respectively. All 35 CT scans were successfully analyzed for ventricular systolic function. CONCLUSIONS: A low radiation contrast enhanced, retrospectively-gated cardiac CT with a median radiation dose of less than 1mSv was successful in evaluating ventricular systolic function in 30 consecutive adult congenital heart disease patients who underwent a total of 35 scans. PMID- 27865184 TI - Changes of left ventricular mechanics after trans-catheter aortic valve implantation and surgical aortic valve replacement for severe aortic stenosis: A tissue-tracking cardiac magnetic resonance study. AB - BACKGROUND: Left ventricular (LV) mechanics are impaired in patients with severe aortic stenosis (AS). The aim of the present study was to assess their changes early and late after trans-catheter aortic valve implantation (TAVI) and surgical aortic valve replacement (AVR) using cardiac magnetic resonance (CMR) tissue tracking imaging. METHODS: In 59 patients with severe AS undergoing either TAVI (n=35) or surgical AVR (n=24), CMR with late gadolinium enhancement (LGE) imaging was performed before and early post-procedure to evaluate LV function and mass, and presence/extent of LGE. A third CMR scan was performed in 29 patients after a mean follow-up of 15+/-4months. Tissue-tracking analysis was applied to cine CMR images, to assess LV global longitudinal (GLS), circumferential (GCS) and radial (GRS) strains. RESULTS: The TAVI and surgical AVR groups were similar with respect to baseline (p=0.14) and early post-procedure (p=0.16) LV ejection fraction. However, baseline LV GLS was significantly impaired in TAVI patients compared to surgical AVR patients (p=0.025). Early post-procedure, TAVI resulted in a significant improvement of LV GLS (p=0.003), while a significant worsening of LV GLS was observed early after surgical AVR (p=0.012). At longer term follow up, both TAVI and surgical AVR groups experienced a significant reduction of LV mass and a significant improvement of LV myocardial mechanics in all the three directions. CONCLUSIONS: Treatment-specific differences in the changes of LV myocardial mechanics early after afterload release by TAVI and surgical AVR are present. Later, both interventions are associated with an improvement of LV myocardial deformation, alongside a regression of LV hypertrophy. PMID- 27865185 TI - A new era in the management of type 2 diabetes: Is cardioprotection at long last a reality? AB - The EMPA-REG OUTCOME and the LEADER trials have revealed a new era in the management of type 2 diabetes. The SGLT2 inhibitor empagliflozin demonstrated a lower rate of the primary composite outcome of death from cardiovascular causes, nonfatal myocardial infarction, or nonfatal stroke compared to placebo. Liraglutide, a GLP-1 analogue, succeeded to demonstrate reduction on a composite outcome including first occurrence of cardiovascular death, nonfatal myocardial infarction or non-fatal stroke. These two medications act through different mechanisms and has consequently shown different patterns of cardiovascular benefit. In one hand, empagliflozin showed an earlier effect compared to those observed using liraglutide. On the other hand, the difference between empagliflozin and placebo was driven by a significant reduction in death from cardiovascular causes, with and striking disconnect showing no significant between-group difference in the risk of myocardial infarction or stroke. In contrast, liraglutide reduced consistently all components of the composite endpoint. Based on the different temporal pattern of achieving clinical benefit one might flirt with the idea that liraglutide seems to provide a chronic "protection" that better fits in a longer metabolic effect with an impact in the progression of atherosclerosis, whilst empagliflozin provides an acute effect compatible with an immediate hemodynamic action. After years going from "bench to bedside" in order to discover the holy grail of cardioprotection, these 2 new studies suggest that we may have reached this state and it is time to go from "bed back to bench side" to understand the mechanisms of this potential paradigm shift. PMID- 27865186 TI - Relationship between neutrophil-lymphocyte ratio and severity of lower extremity peripheral artery disease. AB - BACKGROUND: The aim of this study was to determine the association between neutrophil-lymphocyte ratio (NLR) and severity of lower extremity peripheral artery disease (PAD). METHODS: A retrospective chart review identified 928 patients referred for peripheral angiography. NLR was assessed from routine pre procedural hemograms with automated differentials and available in 733 patients. Outcomes of interest were extent of disease on peripheral angiography and target vessel revascularization. Median follow-up was 10.4months. Odds ratio (OR) [95% confidence intervals] was assessed using a logistic regression model. RESULTS: There was a significant association between elevated NLR and presence of severe multi-level PAD versus isolated suprapopliteal or isolated infrapopliteal disease (OR 1.11 [1.03-1.19], p=0.007). This association remained significant even after adjustment for age (OR 1.09 [1.01-1.17], p=0.02); age, sex, race, and body mass index (OR 1.08 [1.00-1.16], p=0.046); and age, sex, race, body mass index, hypertension, diabetes mellitus, coronary artery disease, and creatinine (OR 1.07 [1.00-1.15], p=0.049). After additional adjustment for clinical presentation, there was a trend towards association between NLR and severe multi-level PAD (OR 1.07 [1.00-1.15], p=0.056), likely limited by sample size. In patients who underwent endovascular intervention (n=523), there was no significant difference in rate of target vessel revascularization across tertiles of NLR (1st tertile 14.8%, 2nd tertile 14.1%, 3rd tertile 20.1%; p=0.32). CONCLUSION: In a contemporary cohort of patients undergoing peripheral angiography with possible endovascular intervention, elevated NLR was independently associated with severe multi-level PAD. Larger studies evaluating the association between this inexpensive biomarker and clinical outcomes are warranted. PMID- 27865187 TI - Final shape of biovascular scaffolds and clinical outcome. Results from a multicenter all-comers study with intravascular imaging. AB - AIMS: Radial strength of bioresorbable vascular scaffolds (BVS) implanted in coronary arteries is still under debate. Moreover, their final shape patterns, when implanted in an all-comer, unselected population, have not yet been completely correlated with clinical outcome and should be better investigated. METHODS AND RESULTS: A multicenter collaborative analysis was performed on all consecutive patients with native coronary artery disease undergoing PCI with intravascular imaging-guided BVS implantation. The BVS was arbitrarily categorized as having a final "oval shape" through intravascular imaging, if maximal lumen diameter was longer than 150% of minimal lumen diameter at the target lesion. Primary study-endpoint was device-oriented major adverse events (DOCE) at mid-term follow-up. Sixty-seven consecutive patients were evaluated at 6 European centers. Mean patient age was 58+/-11years, and 12 patients (18%) had diabetes. Mean percent diameter stenosis was 79+/-12.5%. Average lesion length was 24.4+/-13.8mm and 66% of lesions were AHA/ACC type B2/C. Postdilation rate was 91% and all BVS resulted well apposed to the vessel wall. Procedural success was achieved in all patients and 10 (14.9%) had an "oval shape" at intravascular imaging. This occurrence was not associated with an increase in periprocedural myocardial infarction (p=0.37) or DOCE during hospitalization (p=0.65). Seven month DOCE occurred in 3 patients (5.6%) of the oval shape group, they were target-vessel revascularization and did not differ significantly between patients with vs. without final "oval shape" (p=0.34). We did not register episodes of scaffold thromboses. CONCLUSIONS: In an all-comer population with complex coronary lesions treated with BVS, a final oval shape after postdilation was not rare and not associated with immediate and medium term adverse events. PMID- 27865188 TI - The impact of digoxin on mortality in patients with chronic systolic heart failure: A propensity-matched cohort study. AB - BACKGROUND: Prior Studies showed mixed results in association of digoxin use with all-cause mortality (ACM). The aim of this analysis is to identify the impact of digoxin use on ACM in a contemporary heart failure (HF) cohort treated with guideline based therapy. METHODS: We included 2298 consecutive patients seen in an HF clinic between 2000 and 2015. Patients were considered to be a digoxin user if he/she received digoxin at any point during the enrollment period in the HF clinic. Patients were matched based on digoxin utility using propensity matching in 2-3:1 fashion. The primary outcome was ACM. RESULT: Of 2298 patients, 325 digoxin users were matched with 750 non-digoxin users. The Matched cohort did not have differences among demographics and clinical variables except for worse HF symptomatology and increased prevalence of atrial fibrillation. Overall, the prevalence of the use of guideline suggested therapies was 96%. After a median follow-up duration of 4years (IQR 2-6years), digoxin use was associated with increased ACM (21.8% versus 12.9%, unadjusted HR=1.81; 95% CI=1.33 to 2.45; p=0.001). This association remained significant after adjusting for the propensity score, atrial fibrillation, ejection fraction, and New York HF Class (HR=1.74; 95% CI=1.20 to 2.38; p<0.0001). CONCLUSION: In this analysis of well treated HF patients, digoxin was associated with increased ACM. Further randomized controlled trials are needed to determine whether digoxin therapy should be used in well-treated HF patients. Until then, routine use of digoxin in clinical practice should be discouraged. PMID- 27865189 TI - Screening entire healthcare system ECG database: Association of deep terminal negativity of P wave in lead V1 and ECG referral with mortality. AB - BACKGROUND: Each encounter of asymptomatic individuals with the healthcare system presents an opportunity for improvement of cardiovascular disease (CVD) awareness and sudden cardiac death (SCD) risk assessment. ECG sign deep terminal negativity of the P wave in V1 (DTNPV1) was shown to be associated with an increased risk of SCD in the general population. OBJECTIVE: To evaluate association of DTNPV1 with all-cause mortality and newly diagnosed atrial fibrillation (AFib) in the large tertiary healthcare system patient population. METHODS: Retrospective double cohort study compared two levels of exposure (automatically measured amplitude of P-prime (Pp) in V1): DTNPV1 (Pp from -100MUV to -200MUV) and ZeroPpV1 (Pp=0). An entire healthcare system (2010-2014) ECG database was screened. Medical records of children and patients with previously diagnosed AFib/atrial flutter (AFl), implanted pacemaker or cardioverter-defibrillator were excluded. DTNPV1 (n=3,413) and ZeroPpV1 (n=3,405) cohorts were matched by age and sex. Primary outcome was all-cause mortality. Secondary outcomes were newly diagnosed AFib/AFl. Median follow-up was 2.5 y. RESULTS: DTNPV1 was associated with all-cause mortality (HR 1.95(1.64-2.31); P<0.0001) and newly diagnosed AFib (HR 1.29(1.04-1.59); P=0.021) after adjustment for CVD, comorbidities, other ECG parameters, medications, and index ECG referral. Index ECG referral by a cardiologist was independently associated with 34% relative risk reduction of mortality (HR 0.66(0.52-0.84); P=0.001), as compared to ECG referral by a non-cardiologist. CONCLUSION: DTNPV1 is independently associated with twice higher risk of all-cause death, as compared to patients without P prime in V1. Life-saving effect of the index ECG referral by a cardiologist requires further study. PMID- 27865190 TI - Effect of potassium supplementation on vascular function: A meta-analysis of randomized controlled trials. AB - BACKGROUND: Effects of potassium supplementation on vascular function remain conflicting. This meta-analysis aimed to summarized current literature to fill the gaps in knowledge. METHODS: A literature search was performed on PubMed database through April, 2016. The measurements of vascular function included pulse wave velocity (PWV), augmentation index (AI), pulse pressure (PP), flow mediated dilatation (FMD), glycerol trinitrate responses (GTN), and intercellular cell adhesion molecule-1 (ICAM-1). Data were pooled as standardized mean difference (SMD) with 95% confidence intervals. RESULTS: Seven randomized controlled trials examining 409 participants were included, with dosage of potassium ranging from 40 to 150mmol/day, and duration of intervention from 6days to 12months. Pooling results revealed a significant improvement in PP (SMD 0.280, 95% CI -0.493 to -0.067, p=0.010), but no improvement in PWV (SMD -0.342, 95% CI -1.123 to 0.440, p=0.391), AI (SMD -0.114, 95% CI -0.282 to 0.054, p=0.184), FMD (SMD 0.278, 95% CI -0.321 to 0.877, p=0.363), GTN (SMD -0.009, 95% CI -0.949 to 0.930, p=0.984), and ICAM-1 (SMD -0.238, 95% CI -0.720 to 0.244, p=0.333). CONCLUSIONS: Potassium supplementation was associated with significant improvement of PP, rather than other measurements of vascular function. However, the small number of researches and wide variation of evidences make it difficult to make a definitive conclusion. PMID- 27865191 TI - Inverse association between type 2 diabetes and aortic root dimension in hypertensive patients. AB - BACKGROUND: Some data support the concept that aortic root diameter (ARD) in hypertension may be regarded as a marker of subclinical organ damage. The impact of type 2 diabetes mellitus (DM) on cardiac structure and function is known, although the relationship between DM and ARD is not clear. The aim of our study was to evaluate the influence of DM on ARD in hypertensive patients. METHODS: We enrolled 1693 hypertensive patients (aged 63.7+/-9.6years). The population was divided into two groups: the first one with DM (n=747) and the second one without DM (n=946). ARD was measured by echocardiography at level of Valsalva's sinuses using echocardiography M-mode tracings. It was considered as absolute measure and normalized to height (ARD/H) and body surface area (ARD/BSA). Left ventricular mass index (LVMI) and some parameters of systolic and diastolic function have been valued by means of echocardiography and tissue Doppler imaging. RESULTS: The DM group was characterized by more elevated values of LVMI and a worst systolic and diastolic function. ARD value was significantly lower in DM group in comparison to patients without DM only when indexed for BSA (ARD/BSA=18.7+/ 2.3mm/m2 vs 18.3+/-2.0mm/m2, p=0.01). This difference remained statistically significant, even after correction by age, sex and BMI (p=0.01). A multivariate linear regression analysis demonstrated an inverse relationship between DM and ARD/BSA after correction for potential confounders (beta=0.10, p<0.001). CONCLUSIONS: Our results confirm the hypothesis of a protective role of DM on aortic root dilatation. PMID- 27865192 TI - Effect of targeted therapy on circulating progenitor cells in precapillary pulmonary hypertension. AB - BACKGROUND: Endothelial dysfunction is key in the development of pulmonary hypertension (PH) and is associated with reduced number of circulating progenitor cells. Studies to date evaluating levels of circulating progenitor cells in PH have provided conflicting results. Current treatment of pulmonary arterial hypertension (PAH) and medical treatment of chronic thromboembolic pulmonary hypertension (CTEPH) targets endothelium dependent signalling pathways. The effect of PAH-targeted therapy on circulating progenitor cells has not been clearly established. OBJECTIVES: To investigate whether levels of circulating progenitor cells in treatment-naive patients with PAH or CTEPH differ from healthy subjects and to assess the effect of PAH-targeted therapy on the circulating levels of these progenitors. METHODS: Thirty controls, 33 PAH and 11 CTEPH treatment-naive patients were studied. Eighteen patients with PAH and 9 with CTEPH were re-evaluated 6-12months after starting PAH-targeted therapy. Levels of progenitors were measured by flow cytometry as CD45+CD34+ and CD45+CD34+CD133+ cells. RESULTS: Compared with controls, the number of circulating progenitor cells was reduced in PAH but not in CTEPH. After 6 12months of treatment, levels of circulating progenitors increased in PAH and remained unchanged in CTEPH. Patients with lower exercise tolerance presented lower levels of circulating progenitors. No other relation was found between levels of progenitors and clinical or hemodynamic parameters. CONCLUSIONS: Patients with PAH, but not those with CTEPH, present reduced levels of circulating progenitor cells. PAH-targeted therapy increases levels of progenitors in PAH but not in CTEPH, suggesting different involvement of progenitor cells in the pathobiology of these pulmonary hypertensive disorders. PMID- 27865194 TI - High-sensitivity cardiac troponin T levels in the emergency department in patients with chest pain but no myocardial infarction. AB - BACKGROUND: High-sensitivity cardiac troponin T (hs-cTnT) was recently introduced into clinical practice. The increased sensitivity has decreased the specificity. We aimed to determine the predictors for and prevalence of hs-cTnT levels above the 99th percentile in a stable population of patients without myocardial infarction (MI) who sought medical attention for chest pain in the emergency department. METHODS: We included 11,847 patients with chest pain and at least one hs-cTnT measurement during 2011 and 2012. Patients with any acute reasons for an elevated hs-cTnT level were excluded. We used logistic regression to calculate adjusted odds ratios with 95% confidence intervals for the association between patient characteristics and hs-cTnT levels of >14ng/L. We also determined 50th, 75th, 97.5th, and 99th percentile values of hs-cTnT levels in relation to age, sex, estimated glomerular filtration rate (eGFR), and presence or absence of comorbidities. RESULTS: In total, 1360 (11%) patients had hs-cTnT levels of >14ng/L. Men had higher troponin levels than women, and older patients had higher levels than younger patients. The strongest predictor of an elevated troponin level was a reduced eGFR. The 99th percentile for hs-cTnT among all men and among women <50years of age with normal renal function was 20 and 12ng/L, respectively; this level increased to 44 and 36ng/L, respectively, at the age of 70-79years. CONCLUSIONS: A hs-cTnT level above the 99th percentile in patients with chest pain but no MI is common and is related to sex, age, and eGFR. PMID- 27865193 TI - Different clinical outcomes in patients with asymptomatic severe aortic stenosis according to the stage classification: Does the aortic valve area matter? AB - BACKGROUND: The ACC/AHA guidelines introduced a new classification of severe aortic stenosis (AS) mainly based on maximum jet velocity (Vmax) and mean pressure gradient (mPG), but not on aortic valve area (AVA). However, prognostic value of this new classification has not yet been fully evaluated. METHODS AND RESULTS: We studied 1512 patients with asymptomatic severe AS enrolled in the CURRENT AS registry in whom surgery was not initially planned. Patients were divided into 2 groups: Group 1 (N=122) comprised patients who met the recommendation for surgery; high-gradient (HG)-AS (Vmax>=4.0m/s or mPG>=40mmHg) with ejection fraction (EF)<50%, or very HG-AS (Vmax>=5.0m/s or mPG>=60mmHg), and Group 2 (N=1390) comprised patients who did not meet this recommendation. Group 2 was further subdivided into HG-AS with preserved EF (HGpEF-AS, N=498) and low gradient (LG)-AS, but AVA<1.0cm2 (N=892). The excess risk of Group 1 relative to Group 2 for the primary outcome measure (a composite of aortic valve-related death or heart failure hospitalization) was significant (adjusted HR: 1.92, 95%CI: 1.37-2.68, P<0.001). The excess risk of HGpEF-AS relative to LG-AS for the primary outcome measure was also significant (adjusted HR: 1.45, 95%CI: 1.11 1.89, P=0.006). Among LG-AS patients, patients with reduced EF (<50%) (LGrEF-AS, N=103) had extremely high cumulative 5-year incidence of all-cause death (85.5%). CONCLUSION: Trans-aortic valve gradient in combination with EF was a good prognostic marker in patients with asymptomatic AS. However, patients with LGrEF AS had extremely poor prognosis when managed conservatively. PMID- 27865195 TI - A clinical model to identify patients with high-risk plaque by coronary computed tomography angiography. AB - OBJECTIVES: Current clinical models predict the pre-test probability of obstructive coronary artery disease, but these models do not predict the presence of high-risk plaques. Thus the objective of this study was to propose a model to predict high-risk plaque assessed by coronary computed tomography (CT) angiography. METHODS: This study was a retrospective cross-sectional study. A clinical model was derived from 2392 patients and verified by 733 patients who underwent coronary CT suspected of coronary artery disease. High-risk plaque was defined as a plaque with positive remodeling (remodeling index>1.1), low attenuation (<30Hounsfield units) and napkin-ring sign. The risk score was calculated from the following 6 variables with a maximum of 24 points: age, sex, hemoglobin A1c, systolic blood pressure, high-density lipoprotein and smoking status. RESULTS: The proportion of patients with high-risk plaque was 11% and 17% in the derivation and validation cohort, respectively. The area under the receiver operation characteristic curve was 0.71 (95% confidence interval (CI): 0.68 to 0.74) in the derivation cohort and 0.75 (95% CI: 0.70 to 0.79) in the validation cohort. The frequency of high-risk plaques was 4% in the low-risk group (<=8 points) while it was 53% in the high-risk group (>=17 points) of the derivation cohort. CONCLUSIONS: We propose a scoring system to detect high-risk plaque assessed by coronary CT. Patients in the high-risk group have a high prevalence of high-risk plaque and might benefit from lipid lowering therapy. PMID- 27865197 TI - Efficacy and safety of ticagrelor versus clopidogrel with different dosage in high-risk patients with acute coronary syndrome. AB - BACKGROUND: Dual antiplatelet therapy is recommended as a standard antiplatelet strategy in acute coronary syndrome. For those with reduced pharmacologic response to clopidogrel, strengthening antiplatelet therapy (clopidogrel 150mg daily) may reduce adverse clinical events. Ticagrelor is a direct-acting inhibitor of the adenosine diphosphate receptor P2Y12 that has a more rapid onset and offset than clopidogrel. METHODS: In this retrospective study, we compared ticagrelor (180mg loading dose 90mg twice daily thereafter), clopidogrel (300mg loading dose, 75mg or 150mg daily thereafter) for the prevention of cardiovascular events in 273 high-risk patients admitted to coronary care unit with acute coronary syndrome. RESULTS: The rate of IST in hospital was significantly reduced in patients of ticagrelor group comparing with those receiving clopidogrel 75mg (0.69% vs 8.2%, p=0.009). Moreover, the TVR rate was less in the ticagrelor group than clopidogrel 75mg group (2.7% vs 13.1%, p=0.007) 6months follow-up. The incidence of MACCE has no difference between the two clopidogrel groups. Kaplan-Meier analysis of MACCE-free indicated that there was no difference between the three groups. Ticagrelor significantly increased the rate of minor bleeding compared with clopidogrel 75mg daily during hospital (45.5% vs 26.2%,p=0.012) and 6-month follow-up (66.9% vs 45.9%,p=0.004).Bleeding free prognosis was significantly better in the clopidogrel 75mg daily group. CONCLUSIONS: In patients with acute coronary syndrome undergoing PCI, the rate of in-stent thrombosis and TVR were significantly reduced treated with ticagrelor compared with clopidogrel 75mg daily, without an increase of overall major bleeding, but with an increase of minor bleeding. PMID- 27865198 TI - A propensity matched case-control study comparing efficacy, safety and costs of the subcutaneous vs. transvenous implantable cardioverter defibrillator. AB - BACKGROUND: Subcutaneous implantable cardioverter defibrillators (S-ICD) have become more widely available. However, comparisons with conventional transvenous ICDs (TV-ICD) are scarce. METHODS: We conducted a propensity matched case-control study including all patients that underwent S-ICD implantation over a five-year period in a single tertiary centre. Controls consisted of all TV-ICD implant patients over a contemporary time period excluding those with pacing indication, biventricular pacemakers and those with sustained monomorphic ventricular tachycardia requiring anti-tachycardia pacing. Data was collected on device related complications and mortality rates. A cost efficacy analysis was performed. RESULTS: Sixty-nine S-ICD cases were propensity matched to 69 TV-ICD controls. During a mean follow-up of 31+/-19 (S-ICD) and 32+/-21months (TV-ICD; p=0.88) there was a higher rate of device-related complications in the TV-ICD group predominantly accounted for by lead failures (n=20, 29% vs. n=6, 9%; p=0.004). The total mean cost for each group, including the complication-related costs was L9967+/-4511 ($13,639+/-6173) and L12,601+/-1786 ($17,243+/-2444) in the TV-ICD and S-ICD groups respectively (p=0.0001). Even though more expensive S ICD was associated with a relative risk reduction of device-related complication of 70% with a HR of 0.30 (95%CI 0.12-0.76; p=0.01) compared to TV-ICDs. CONCLUSIONS: TV-ICDs are associated with increased device-related complication rates compared to a propensity matched S-ICD group during a similar follow-up period. Despite the existing significant difference in unit cost of the S-ICD, overall S-ICD costs may be mitigated versus TV-ICDs over a longer follow-up period. PMID- 27865200 TI - A review of comparative studies of MitraClip versus surgical repair for mitral regurgitation. AB - OBJECTIVES: We summarized comparative studies of MitraClip versus surgical repair for mitral regurgitation (MR) with a systematic literature search and meta analytic estimates. METHODS: MEDLINE, EMBASE, and the Cochrane Central Register of Controlled Trials were searched through June 2016. Eligible studies were randomized controlled or observational comparative studies of MitraClip versus surgical repair enrolling patients with MR and reporting early (30-day or in hospital) or late (>=6-month including early) all-cause mortality. For each study, data regarding all-cause mortality and incidence of recurrent >2+ MR in both groups were used to generate odds ratios (ORs). Alternatively, ORs or hazard ratios (HRs) for mortality and recurrent MR themselves were directly abstracted from each study. RESULTS: Eight reports of 7 studies comparing MitraClip with surgical repair enrolling a total of 1015 patients with MR were identified and included. Pooled analyses demonstrated significantly higher age and logistic European System of Cardiac Operative Risk Evaluation and significantly lower ejection fraction in the MitraClip than surgical repair group, no significant difference in rate of women and patients with New York Heart Association functional class of >II, no statistically significant difference in early- (OR, 0.54; p=0.08) and late-mortality (HR/OR, 1.17; p=0.46), and significantly higher incidence of recurrent MR in the MitraClip than surgical repair group (HR/OR, 4.80; p<0.00001). CONCLUSIONS: In patients with MR, the MitraClip procedure achieves similar survival to surgical MV repair despite higher risk profiles. Recurrent MR, however, occurs more frequently (4.8-fold) after the MitraClip than surgical repair. PMID- 27865196 TI - 'Browning' the cardiac and peri-vascular adipose tissues to modulate cardiovascular risk. AB - Excess visceral adiposity, in particular that located adjacent to the heart and coronary arteries is associated with increased cardiovascular risk. In the pathophysiological state, dysfunctional adipose tissue secretes an array of factors modulating vascular function and driving atherogenesis. Conversely, brown and beige adipose tissues utilise glucose and lipids to generate heat and are associated with improved cardiometabolic health. The cardiac and thoracic perivascular adipose tissues are now understood to be composed of brown adipose tissue in the healthy state and undergo a brown-to-white transition i.e. during obesity which may be a driving factor of cardiovascular disease. In this review we discuss the risks of excess cardiac and vascular adiposity and potential mechanisms by which restoring the brown phenotype i.e. "re-browning" could potentially be achieved in clinically relevant populations. PMID- 27865199 TI - CHA2DS2-VASC-AF2 score accurately predicts moderate-to-severe acute neurological dysfunction in the course of first ever ischaemic stroke. PMID- 27865201 TI - Increased risk of ventricular tachycardia in patients with sarcoidosis during the very long term follow-up. AB - BACKGROUND: Sarcoidosis is an important diagnostic consideration in patients with ventricular tachycardia (VT) of unknown origin. The clinical course of VT as the primary presentation in patients with sarcoidosis is mostly unknown. This study aimed to investigate the incidence of life-threatening VT and mortality during long term follow-up in patients with sarcoidosis. METHODS: We analyzed the epidemiological features of sarcoidosis in Taiwan using the National Health Insurance Research Database from 2000 to 2004. Patients with sarcoidosis were identified, and healthy controls without prior histories of structural heart disease were matched with a 1:1 propensity-score to the sarcoidosis group. The risk of life-threatening VT and mortality with sarcoidosis was analyzed. RESULTS: A total of 2237 sarcoidosis cases were enrolled with a matching number of healthy controls, and the baseline characteristics between the two groups were similar. After a mean follow-up of 11.4+/-2.15years (IQR: 12, 11.3-12), the VT incidence in the sarcoidosis group was higher than in healthy controls (0.94% [85 per 100,000 person-year] in the sarcoidosis group, and 0.09% [8 per 100,000 person year] in healthy controls). After a multivariate adjustment including the sex, age, and other comorbidities, the VT risk was still higher in the sarcoidosis group (hazard ratio: 12.7, 95% confidence interval: 2.82-56.9; P<0.001). The risk of defibrillator implantations for secondary prevention, cardiovascular death, and total mortality between the groups was equivalent. CONCLUSIONS: Sarcoidosis may increase the predisposition to ventricular arrhythmias with a cumulative incidence of 0.94% during a very long term follow-up of nearly 10years from initially diagnosing sarcoidosis. PMID- 27865202 TI - Compulsive exercise as a mediator between clinical perfectionism and eating pathology. AB - The aim of this study was to examine whether compulsive exercise mediates the relationship between clinical perfectionism and eating pathology, based on the cognitive behavioral model of compulsive exercise. Participants were 368 adults who participated regularly in sport/exercise and completed online measures of perfectionism, compulsive exercise and eating disorders. In support of the well established link between perfectionism and eating disorders, clinical perfectionism predicted eating pathology both directly and indirectly mediated by compulsive exercise. In addition, there were also direct effects of clinical perfectionism on the avoidance/rule-driven behavior, weight control, and mood improvement subscales of the Compulsive Exercise Test (CET). There was a direct effect of the CET weight control subscale on eating pathology and a negative direct effect of the CET subscale mood improvement on eating pathology. Findings lend support to the cognitive behavioral model of compulsive exercise in which clinical perfectionism is conceptualized as related to eating disorders directly and indirectly through the mediation of compulsive exercise. Compulsive exercise was also found to have a direct effect on eating disorders. Compulsive exercise may be a symptom of eating pathology, rather than an antecedent, however causal inferences could not be established given the correlational design. Longitudinal research using cross-lagged panel designs to examine a bidirectional relationship between compulsive exercise and eating disorders is needed. PMID- 27865203 TI - Minocycline prevents cerebral malaria, confers neuroprotection and increases survivability of mice during Plasmodium berghei ANKA infection. AB - Cerebral malaria (CM) is a neurological complication arising due to Plasmodium falciparum or Plasmodium vivax infection. Minocycline, a semi-synthetic tetracycline, has been earlier reported to have a neuroprotective role in several neurodegenerative diseases. In this study, we investigated the effect of minocycline treatment on the survivability of mice during experimental cerebral malaria (ECM). The currently accepted mouse model, C57BL/6 mice infected with Plasmodium berghei ANKA, was used for the study. Infected mice were treated with an intra-peritoneal dose of minocycline hydrochloride, 45mg/kg daily for ten days that led to parasite clearance in blood, brain, liver and spleen on 7th day post infection; and the mice survived until experiment ended (90days) without parasite recrudescence. Evans blue extravasation assay showed that blood-brain barrier integrity was maintained by minocycline. The tumor necrosis factor-alpha protein level and caspase activity, which is related to CM pathogenesis, was significantly reduced in the minocycline-treated group. Fluoro-Jade(r) C and hematoxylin-eosin staining of the brains of minocycline group revealed a decrease in degenerating neurons and absence of hemorrhages respectively. Minocycline treatment led to decrease in gene expressions of inflammatory mediators like interferon-gamma, CXCL10, CCL5, CCL2; receptors CXCR3 and CCR2; and hence decrease in T-cell-mediated cerebral inflammation. We also proved that this reduction in gene expressions is irrespective of the anti-parasitic property of minocycline. The distinct ability of minocycline to modulate gene expressions of CXCL10 and CXCR3 makes it effective than doxycycline, a tetracycline used as chemoprophylaxis. Our study shows that minocycline is highly effective in conferring neuroprotection during ECM. PMID- 27865204 TI - Possible role of transforming growth factor beta in tuberculous meningitis. AB - BACKGROUND: Transforming growth factor beta (TGF-beta) is an anti-inflammatory cytokine and its role in hydrocephalus and stoke has been suggested. Tuberculous meningitis (TBM) is associated with exudates, stroke, hydrocephalus and tuberculoma, but the role of TGF-beta has not been evaluated in relation to these changes. AIM: To evaluate the cerebrospinal fluid (CSF) TGF-beta level in the patients with TBM, and correlate these with clinical findings, MRI changes, paradoxical response and outcome at 6months. METHODS: TBM patients diagnosed on the basis of clinical, CSF and MRI criteria were prospectively included. The clinical details including duration of illness, seizures, focal motor deficit, Glasgow Coma Scale (GCS) score and stage of TBM were noted. Presence of exudate, hydrocephalus, tuberculoma and infarction in MRI was also noted. MRI was repeated at 3months and presence of paradoxical response was noted. Cerebrospinal fluid TGF-beta was measured using ELISA on admission and repeated at 3months and these were compared with 20 controls. RESULTS: TGF-beta level was significantly higher in TBM compared to the controls (385.76+/-249.98Vs 177.85+/-29.03pg/ml, P<0.0001). TGF-beta correlated with motor deficit, infarction and tuberculoma on admission but did not correlate with CSF abnormalities, drug induced hepatitis, paradoxical response and outcome. TGF-beta level at 3months was significantly lower than the baseline but remained higher than the controls. CONCLUSION: CSF TGF-beta levels are elevated in TBM and correlate with infarction and tuberculoma. PMID- 27865205 TI - Human hepatic stellate cells and inflammation: A regulated cytokine network balance. AB - AIM: Uncertainty about the safety of cell therapy continues to be a major challenge to the medical community. Inflammation and the associated immune response represent a major safety concern hampering the development of long-term clinical therapy. In vivo interactions between the cell graft and the host immune system are mediated by functional environmental sensors and stressors that play significant roles in the immunobiology of the graft. Within this context, human liver stellate cells (HSC) demonstrated marked immunological plasticity that has main importance for future liver cell therapy application. METHODS: By using qPCR technique, we established the cytokine gene expression profile of HSCs and investigated the effect of an inflammatory environment on the immunobiology of HSCs. RESULTS AND DISCUSSION: HSCs present a specific immunological profile as demonstrated by the expression and modulation of major immunological cytokines. Under constitutive conditions, the cytokine pattern expressed by HSCs was characterized by the high expression of IL-6. Inflammation critically modulated the expression of major immunological cytokines. As evidenced by the induction of the expression of several inflammatory genes, HSCs acquire a pro-inflammatory profile that ultimately might have critical implications for their immunological shape. CONCLUSION: These new observations have to be taken into account in any future liver cell therapy application based on the use of HSCs. PMID- 27865206 TI - Humor and preschoolers' trust: Sensitivity to changing intentions. AB - This research demonstrates that preschoolers (a) avoid trusting informants with humorous intentions when learning novel information and (b) flexibly consider current intentions rather than initial intentions when determining who to trust. In Study 1 (N=61), 3- and 4-year-olds based their trust on intentions or intentional cues alone, trusting a sincere informant over a joker, even when no prior accuracy or inaccuracy was displayed. In Study 2 (N=32), 3- and 4-year-olds flexibly based their trust on the informants' current intentions or intentional cues rather than their initial ones. Children trusted a sincere informant, who originally joked, over a joker, who was originally sincere. In Study 3 (N=89), 3 , 4-, and 5-year-olds tracked changing intentions, and not just intentional cues, in determining who to trust. Children trusted an informant who joked during training trials but was sincere during test trials over an informant who was ignorant during training trials and was sincere during test trials. However, if the ignorant informant became knowledgeable and the joker continued to joke, the pattern reversed. This is the first study to show that preschoolers consider intentions to joke when learning information. This is also the first study to show that preschoolers do not see trust as stable but rather see it as a function of changing intentions. PMID- 27865208 TI - What evolution tells us about protein physics, and protein physics tells us about evolution. AB - The integration of molecular evolution and protein biophysics is an emerging theme that steadily gained importance during the last 15 years, significantly advancing both fields. The central integrative concept is the stability of the native state, although non-native conformations are increasingly recognized to play a major role, concerning, for example, aggregation, folding kinetics, or functional dynamics. Besides molecular requirements on fitness, the stability of native and alternative conformations is modulated by a variety of factors, including population size, selective pressure on the replicative system, which determines mutation rates and biases, and epistatic effects. We discuss some of the recent advances, open questions, and integrating views in protein evolution, in light of the many underlying trade-offs, correlations, and dichotomies. PMID- 27865207 TI - A multi-level comparative analysis of human femoral cortical bone quality in healthy cadavers and surgical safe margin of osteosarcoma patients. AB - Osteosarcoma is the most common primary malignancy of bone. However, the potential variation it brings to the adjacent undamaged bone tissue is seldom investigated. In this study, we conducted a multi-level comparison of human femoral cortical bone quality in healthy cadavers (aged 42+/-11 years) and in resected safe margin of osteosarcoma patients (aged 49+/-15 years). The objective of this study was to document the changes with exposure to osteosarcoma condition in bone mechanical strength, structural morphology and elementary composition, evaluated by static and dynamic mechanical analysis (DMA), scanning electron microscopy (SEM) imaging, X-ray diffraction (XRD) and Fourier-transform infrared spectroscopy (FTIR). The resected clinical samples from healthy and osteosarcoma conditioned bones were grouped into the Tumor and Healthy groups, and shaped into regular beam specimens or pulverized according to testing protocols. The results of mechanical tests confirmed osteolytic deteriorations in mineral phase of the Tumor group, in terms of significant reductions in storage modulus (-53.6%, at 1Hz), bending strength (-53.0%) and stiffness (-64.8%) as compared to the Healthy group. However, the energy dissipation/absorption ability of the collagen phase in the Tumor group did not differ from the Healthy group statistically. Although specimens showed no visible morphological difference, a decline in osteocyte lacunar density in bone specimens from the Tumor group was discovered (-54.4%, p<0.001). Higher magnification observation showed that the cell-free lacunae in the Tumor group were occluded by randomized overgrown collagen fibers. XRD and FTIR analysis further demonstrated a lower hydroxyapatite crystallinity and decreased mineral:matrix ratio in pulverized samples from the Tumor group, mainly due to the prominent Amide peaks. Taken together, these data revealed a previously unrecognized effect of osteosarcoma on the adjacent "normal" bone quality. The current study may provide insights on bone tumor pathology and an advanced understanding of surgical safe margin. PMID- 27865209 TI - Protein function machinery: from basic structural units to modulation of activity. AB - Contemporary protein structure is a result of the trade off between the laws of physics and the evolutionary selection. The polymer nature of proteins played a decisive role in establishing the basic structural and functional units of soluble proteins. We discuss how these elementary building blocks work in the hierarchy of protein domain structure, co-translational folding, as well as in enzymatic activity and molecular interactions. Next, we consider modulators of the protein function, such as intermolecular interactions, disorder-to-order transitions, and allosteric signaling, acting via interference with the protein's structural dynamics. We also discuss the post-translational modifications, which is a complementary intricate mechanism evolved for regulation of protein functions and interactions. In conclusion, we assess an anticipated contribution of discussed topics to the future advancements in the field. PMID- 27865210 TI - Exophytic Verrucous Hyperplasia of the Oral Cavity - Application of Standardized Criteria for Diagnosis from a Consensus Report AB - Verruco-papillary lesions (VPLs) of the oral cavity described in the literature involve a spectrum of conditions including squamous papilloma, verruca vulgaris, focal epithelial hyperplasia, condyloma, proliferative verrucousleukoplakia and verrucous carcinoma. A majority of the VPLs are slow growing, benign in nature and have aviral aetiology. Virus associated benign mucosal outgrowths are not too difficult to diagnose either clinically orby microscopy. Apart from virus associated lesions, VPLs harboring malignant potential or behaviour such asverrucous carcinoma, proliferative verrucous leukoplakia, oral verrucous hyperplasia (OVH), oral papillarysquamous cell carcinoma (PSCC) and oral conventional squamous cell carcinoma with papillary features (CSCC)need to be further clarified for better understanding of their predictable biologic behavior and appropriatetreatment. Current understanding of potentially malignant VPLs is perplexing and is primarily attributed tothe use of confusing and unsatisfactory terminology. In particular, the condition referred to as oral verrucoushyperplasia (OVH) poses a major diagnostic challenge. OVH represents a histopathological entity whose clinicalfeatures are not well recognised and is usually clinically indistinguishable from a verrucous carcinoma and aPSCC or a CSCC. A consensus report published by an expert working group from South Asia as an outcome ofthe 'First Asian Regional Meeting on the Terminology and Criteria for Verruco-papillary Lesions of the OralCavity' held in Kuala Lumpur, Malaysia, recognised the clinical description of these OVH as a new entity named'Exophytic Verrucous Hyperplasia'. Previously described clinical features of OVH such as the 'blunt' or 'sharp'variants; and the 'mass' or 'plaque' variants can now collectively fall under this newly described entity. This paperdiscusses in detail the application of the standardized criteria guidelines of 'Exophytic Verrucous Hyperplasia'as published by the expert group which will enable clinicians and pathologists to uniformly interpret their poolof OVH cases and facilitate a better understanding of OVH malignant potential. PMID- 27865211 TI - The time is now: setting a rural health research agenda. PMID- 27865212 TI - Changes in the oral health of the children of Dili, Timor Leste, between 2002 and 2014. AB - INTRODUCTION: This research compared the oral health status of school children in Dili (the capital of Timor Leste) in 2002 and 2014. METHODS: The 2014 oral health survey of Dili's children replicated the methods of an AusAID-supported oral health survey conducted in 2002. Equal numbers of children were invited to participate from four age groups (6-8, 9-11, 12-14 and 15-17 years). For the 2014 survey, the subdistricts of Dom Aleixo, Cristo Rei, Metinaro and Vera Cruz were randomly selected for inclusion. A questionnaire was used to collect data on demographics and oral health behaviours. Oral epidemiological examinations were conducted by four dentists and five dental nurses. RESULTS: The 2014 survey in Dili recruited 758 participants for the questionnaire and 655 children for the oral examination. In 2014, a lower proportion of children reported brushing their teeth the previous day (97% vs 100%, p=0.01) and a larger proportion reported having toothache (40% vs 19%, p<0.001) (sometimes to very often) during the previous 12 months. The mean number of decayed, missing or filled teeth in the primary plus permanent dentition (dmft + DMFT) was greater in 2014 than in 2002 (4.2 vs 3.5, p=0.01). There was no difference in the prevalence of decay in the primary dentition (39% vs 37%, p=0.61) or the mean number of decayed, missing or filled (dmft) teeth in the primary dentition in 2014 compared to 2002 (2.0 vs 1.8, p=0.47). However, the prevalence of decay in the permanent dentition was greater in 2014 (70% vs 53%, p<0.001) as was the mean DMFT (2.3 vs 1.7, p=0.04). The prevalence of gingival bleeding (65% vs 81%, p<0.001) and calculus (57% vs 86%, p<0.001) was lower in 2014. CONCLUSIONS: There was an increase in dental caries experiences in Dili school children between 2002 and 2014, associated with more permanent teeth dental caries experiences. PMID- 27865214 TI - [Auditory Neuropathy: Clinical Evaluation and Diagnostic Approach]. AB - INTRODUCTION: Auditory neuropathy is a condition in which there is a change in the neuronal transmission of the auditory stimuli. Our objective was to describe the patients' series within the clinical spectrum of auditory neuropathy. MATERIAL AND METHODS: We designed a transversal, retrospective study, with a description of a consecutive case series. Auditory neuropathy was defined by the presence of acoustic otoemissions plus absent/abnormal auditory brainstem responses with cochlear microphonism. RESULTS: 34 patients with bilateral hearing loss, 23 males and 11 females, were included in the study. Eighty percent of the cases had congenital onset of hearing loss. Acoustic otoemissions were absent in 67% of them. Cochlear microfonism was present in 79% of all cases. Prenatal, perinatal or ambiental factors were present in 35.2% of the cases. DISCUSSION: Medical literature shows great variability in findings related to auditory neuropathy, both in its etiology and epidemiological data. CONCLUSION: Auditory neuropathy presents a broad spectrum of changes that may result from mild to severe changes in the functioning of the auditory pathway, and in our sample we observed that 80% of Auditory neuropathy have congenital onset of hearing loss and/or with cochlear microphonism identified. 91% of patients experience significant hearing impairment and 53% suffer from severe or profound deafness. PMID- 27865213 TI - Phenotypic correction of Fanconi anemia cells in the murine bone marrow after carrier cell mediated delivery of lentiviral vector. AB - Fanconi anemia (FA) is an autosomal-recessive disorder associated with hematopoietic failure and it is a candidate for hematopoietic stem cell (HSC) directed gene therapy. However, the characteristically reduced HSC numbers found in FA patients, their ineffective mobilization from the marrow, and re oxygenation damage during ex vivo manipulation have precluded clinical success using conventional in vitro approaches. We previously demonstrated that lentiviral vector (LV) particles reversibly attach to the cell surface where they gain protection from serum complement neutralization. We reasoned that cellular delivery of LV to the bone marrow niche could avoid detrimental losses during FA HSC mobilization and in vitro modification. Here, we demonstrate that a VSV-G pseudotyped lentivector, carrying the FANCC transgene, can be transmitted from carrier to bystander cells. In cell culture and transplantation models of FA, we further demonstrate that LV carrier cells migrate along SDF-1alpha gradients and transfer vector particles that stably integrate and phenotypically correct the characteristic DNA alkylator sensitivity in murine and human FA-deficient target bystander cells. Altogether, we demonstrate that cellular homing mechanisms can be harnessed for the functional phenotype correction in murine FA hematopoietic cells. PMID- 27865215 TI - [Study of the Sociodemographic Factors and Risky Behaviours Associated with the Acquisition of Sexual Transmitted Infections by Foreign Exchange Students in Portugal]. AB - BACKGROUND: Sexual transmitted infections are a main cause of morbidity, being a public health problem due to its reproductive complications, mostly observed in teenagers and young adults. The purpose of this study was to evaluate sociodemographic factors and risky behaviours associated with sexual transmitted infections acquisition and to assess personal awareness of risky behaviour and the knowledge about Chlamydia trachomatis infection between foreign exchange students in Portugal. MATERIAL AND METHODS: The main instrument for data collection was a questionnaire, applied to foreign students in university exchange in Portugal, during the years 2012/2013, 2013/2014 e 2014/2015 Results: Three hundred and thirty eight (338) questionnaires were evaluated, being 58.3% female students, aged between 17 and 30 years old. Mean age for the beginning of the sexual activity was 17.5 years old and the mean number of lifetime sexual partners was 6.9. Concerning the answers given: 11.8% mentioned a sexual relationship with the same gender, 9.5% mentioned that they have never done oral sex and 29% assumed they had practiced anal sex; 82.1% mentioned alcohol/drugs consumption; 21% did not know that Sexual transmitted infections can be transmitted through oral sex and 42.3% did not recognize Chlamydia trachomatis as an Sexual transmitted infections agent. DISCUSSION: Although sexual transmitted infections can affect individuals of all ages, races and sexual orientation, various demographic, social and behavioral factors have revealed influence in their prevalence rates. CONCLUSION: Despite knowing about sexual transmitted infections, these students maintain sexual risky behaviours, mainly early age for starting sexual activity, multiple sexual partners and the absence of protection during sexual activities. PMID- 27865216 TI - Establishing the Role of Unlinked Total Elbow Arthroplasty in Low Demand Patients: A Long-Term Follow-up Study. AB - INTRODUCTION: Experience with total elbow arthroplasty is scarce in most centers. It seems to have a significant rate of associated complications. Most studies are based on non-validated outcome measures and short-term results. MATERIAL AND METHODS: We selected patients undergoing unlinked total elbow arthroplasty, with a resultant sample of thirteen cases, with a mean postoperative follow-up of 72 months. We applied the Mayo Elbow Score and all patients underwent an X-ray study, prior to surgery and during the follow-up period. RESULTS: All patients have a systemic inflammatory condition. The mean Mayo score increased from 43 points preoperatively to 70 and 80 points at the intermediate follow-up period (with a mean of 15 months after the operation) and at the time of the latest follow-up evaluation (with a mean of 72 months after the operation). There was an increase in range of motion in all cases. There was one case of mechanical failure and two cases of transient ulnar neuropathy. DISCUSSION: Elbow dysfunction causes great loss in patient's quality of life, incapacitating them for the simplest activities. Small improvements in range of motion and pain relief result in significant changes in the patient's functional ability. There is a demand to clarify the performance of total elbow arthroplasty in selected patient groups in order to throw more light on the relative roles of the available implants. CONCLUSIONS: The results obtained in this study seem to confirm the long-term benefit of the unlinked arthroplasty in severe joint dysfunction in patients with low physical demand, particularly in rheumatoid arthritis, a common and limiting condition in our population. PMID- 27865217 TI - [Multidimensional Strategy Regarding the Reduction of Central-Line Associated Infection in Pediatric Intensive Care]. AB - INTRODUCTION: To determine the central-line associated bloodstream infection rate after implementation of central venous catheter-care practice bundles and guidelines and to compare it with the previous central-line associated bloodstream infection rate. MATERIAL AND METHODS: A prospective, longitudinal, observational descriptive study with an exploratory component was performed in a Pediatric Intensive Care Unit during five months. The universe was composed of every child admitted to Pediatric Intensive Care Unit who inserted a central venous catheter. A comparative study with historical controls was performed to evaluate the result of the intervention (group 1 versus group 2). RESULTS: Seventy five children were included, with a median age of 23 months: 22 (29.3%) newborns; 28 (37.3%) with recent surgery and 32 (43.8%) with underlying illness. A total of 105 central venous catheter were inserted, the majority a single central venous catheter (69.3%), with a mean duration of 6.8 +/- 6.7 days. The most common type of central venous catheter was the short-term, non-tunneled central venous catheter (45.7%), while the subclavian and brachial flexure veins were the most frequent insertion sites (both 25.7%). There were no cases of central-line associated bloodstream infection reported during this study. Comparing with historical controls (group 1), both groups were similar regarding age, gender, department of origin and place of central venous catheter insertion. In the current study (group 2), the median length of stay was higher, while the mean duration of central venous catheter (excluding peripherally inserted central line) was similar in both groups. There were no statistical differences regarding central venous catheter caliber and number of lumens. Fewer children admitted to Pediatric Intensive Care Unit had central venous catheter inserted in group 2, with no significant difference between single or multiple central venous catheter. DISCUSSION: After multidimensional strategy implementation there was no reported central-line associated bloodstream infection Conclusions: Efforts must be made to preserve the same degree of multidimensional prevention, in order to confirm the effective reduction of the central-line associated bloodstream infection rate and to allow its maintenance. PMID- 27865218 TI - [Percutaneous Endovascular Aortic Repair with Local Anesthesia - One Day Surgery]. AB - INTRODUCTION: To evaluate the results of the abdominal aortic aneurism endovascular treatment (EVAR), percutaneously and with local anesthesia, according to the concept of one day surgery. MATERIAL AND METHODS: Unicentric, retrospective analysis of patients with aorto-iliac aneurysmal disease, consecutively treated by EVAR with percutaneous access trough the Preclose technique (pEVAR), according to the outpatient criteria, with one overnight stay in the hospital. The technical success, exclusion of the aneurysmal sac, endoleak, re-intervention and mortality were evaluated. RESULTS: Twenty consecutive patients (all male; mean age 74.65 years) were treated by EVAR with percutaneous access and local anesthesia, from which 95% (19) presented with abdominal aortic aneurysm and 5% (1) common iliac aneurysm. All implants were sucessfully performed, with an initial endoleak rate of 10% (2), determined by one type 1a endoleak successfully corrected intra-operatively and one type 2a endoleak diagnosed in the first imaging control, which sealed spontaneously on the second control. Initial technical success for percutaneous closure was 97.5%, with one case reported of femoral pseudo-aneurism, posteriorly treated by percutaneous thrombin injection. Median length of stay was one day [1-10], with a mean follow-up of 11.4 months [1-36]. Both the re-intervention and mortality rate are 0% for the selected period. CONCLUSION: Our one day surgery model for the outpatient treatment of abdominal aortic aneurysm by the pEVAR technique is innovative, safe and effective, as long as the selection criteria are respected. PMID- 27865219 TI - HIV/AIDS Indicators for Clinical Care Quality Assessment: Relevance and Utility Assessed by Health Professionals. AB - INTRODUCTION: After conducting a systematic review of quality indicators for assessing HIV/AIDS clinical care, we aimed to assess the clinical relevance and practice utility of those indicators from the point of view of HIV/AIDS physician experts. MATERIAL AND METHODS: This is an observational, cross-sectional study, in which we selected, by convenience, physicians who work in an Infectious Disease Department of a central hospital to complete two questionnaires with a core set of indicators to establish the most relevant and useful indicators for assessment of the clinical HIV/AIDS care. A Likert scale was used to rank the indicators. RESULTS: Eleven of thirteen physicians filled two questionnaires. From the initial list of 53 quality indicators, 21 were identified as the most relevant and useful in HIV/AIDS clinical care. The internal consistency for clinical relevance in each indicators domain was for clinical signs and symptoms (p = 0.971), for therapy (p = 0.900), for prognosis (p = 0.820) and diagnosis (p = 0.733) and for practice utility were diagnosis (p = 0.934), clinical signs (p = 0.964), laboratory examinations (p = 0.947), therapy (p = 0.583) and prognosis (p = 0.368). DISCUSSION: In the process of assessing the clinical relevance and practice utility of HIV/AIDS quality care indicators, it was found that the majority of physicians agreed that diagnosis and clinical symptoms and signs indicators domains are the most important for assessing the quality of care for HIV/AIDS patients. CONCLUSION: This instrument should be considered as a diagnostic tool, allowing hospital administrators to identify if HIV/AIDS care is properly delivered or needs improvement. PMID- 27865220 TI - [Efficacy of the Vaccines Against Human Papillomavirus in Women Older than 24 Years in the Cervix Cancer Prevention]. AB - INTRODUCTION: Cervix cancer is the fourth most common female cancer and the second most frequent in women aged 15 to 44 years. The infection by the human papillomavirus is a necessary condition in almost all of cervix cancer cases; it is a sexually transmitted disease and all women sexually active are at risk of being infected. There are currently three vaccines against human papillomavirus, and despite of the efficacy being well proven in woman aged up to 25 years, it is not well established in older ages. MATERIAL AND METHODS: It was performed a literature review of the current evidence about the efficacy of the vaccines against human papillomavirus in women older than 24 years in the cervix cancer prevention, and was assessed the evidence quality by the GRADE system. RESULTS: Two randomized controlled trials were identified with a total of 9,571 participants - 4,792 vaccinated and 4,779 at the control group and reported data of 48 months period follow-up. The relative risk reduction was 41% (95% CI: 29 a 50%) - for the vaccinated group. There were no differences in safety and tolerability between the two groups - vaccine and control. CONCLUSION: The actual evidence shows that the vaccines against human papillomavirus 16 and/or 18 in women older than 24 until 45 years have an important efficacy at reducing the risk of having persistent infection and/or to acquire cervix cancer precursor lesions. PMID- 27865221 TI - [Massive Upper Airway Bleeding: A Rare Case of Aortobronchial Fistula]. AB - Clinical presentation of haemoptysis and haematemesis often generates confusion, becoming a difficult task to determine the source of upper airway bleeding. Aortobronchial fistula is a rare entity, but has been a reported complication in patients that have undergone aortic vascular surgery. A high clinical suspicion is fundamental to making this diagnosis. A 69 year old male, with a previous diagnosis of chronic gastritis, is admitted to the emergency room for vomiting blood. In the first 24 hours after admission, the patient develops respiratory insufficiency after an episode of massive bleeding from his mouth. A computed tomography is performed, which shows a descending thoracic aortic aneurism and signs of aortobronchial fistula. Urgent thoracic endovascular repair was performed. Early symptoms of aortobronchial fistulae are nonspecific which complicates the diagnosis and can lead to treatment delay. The use of bronchoscopy in these cases is controversial. PMID- 27865222 TI - Endometrial Tuberculosis Simulating an Ovarian Cancer: a case report. AB - Female genital tuberculosis remains a major health problem in developing countries and is an important cause of infertility. As symptoms, laboratory data and physical findings are non-specific, its diagnosis can be difficult. We describe a case of a 39-year-old woman suffering from peri-umbilical pain and increased abdominal size for one year, anorexia, asthenia, weight loss, occasionally dysuria and dyspareunia, and four months amenorrhea. Laboratory data revealed cancer antigen 125 (CA-125) level of 132.3 U/mL, erythrocyte sedimentation rate of 42 mm/h, and gamma-globulins of 2.66 g/dL. Computed tomography scan showed loculated ascites. It was initially suspected a carcinomatous origin, but ascites evaluation was negative for malignant cells. Magnetic resonance imaging from another hospital showed endometrial heterogeneity. Therefore, an endometrial biopsy was performed demonstrating an inflammatory infiltrate with giant cells of type Langhans and bacteriological culture identified Mycobacterium tuberculosis. PMID- 27865223 TI - Pyogenic Granuloma in a Patient on Gefitinib. PMID- 27865224 TI - [Penile Squamous Cell Carcinoma]. PMID- 27865225 TI - Reactions of protective service workers towards people who stutter. AB - PURPOSE: This study sought to assess whether protective service workers differ from people in non-protective services occupations in their intended reactions towards people who stutter (PWS). METHODS: Analyses were based on questionnaire responses regarding intended reactions toward PWS from 171 protective services workers and 2595 non-protective services workers in the United States. A propensity score matching procedure was used to identify a comparison group of non-protective services workers for the protective services workers. The matching covariate variables included age, gender, years of education, familiarity with PWS, and beliefs about PWS. RESULTS: Findings indicated that protective services workers had less helpful intended behavioral reactions and more negative affective reactions towards PWS than the matched non-protective services workers. Examination of the matching covariate variables in the larger sample also indicated that protective services workers had less accurate beliefs about PWS compared to respondents not in protective services professions. CONCLUSION: Less favorable intended reactions of protective services workers toward PWS indicate a need for protective services workers to receive training in best practices when interacting with PWS. PMID- 27865226 TI - An investigation of the effects of a speech-restructuring treatment for stuttering on the distribution of intervals of phonation. AB - PURPOSE: The purpose of this study was to investigate whether stuttering reductions following the instatement phase of a speech-restructuring treatment for adults were accompanied by reductions in the frequency of short intervals of phonation (PIs). The study was prompted by the possibility that reductions in the frequency of short PIs is the mechanism underlying such reductions in stuttering. METHOD: The distribution of PIs was determined for seven adults who stutter, before and immediately after the intensive phase of a speech-restructuring treatment program. Audiovisual recordings of conversational speech were made on both assessment occasions, with PIs recorded with an accelerometer. RESULTS: All seven participants had much lower levels of stuttering after treatment but these were associated with reductions in the frequency of short PIs for only four of them. For the other three participants, two showed no change in frequency of short PIs, while for the other participant the frequency of short PIs actually increased. CONCLUSIONS: Stuttering reduction with speech-restructuring treatment can co-occur with reduction in the frequency of short PIs. However, the latter does not appear necessary for this reduction in stuttering to occur. Thus, speech restructuring treatment must have other, or additional, treatment agents for stuttering to reduce. PMID- 27865227 TI - Behavioural, emotional and social development of children who stutter. AB - PURPOSE: Developmental stuttering may be associated with diminished psychological well-being which has been documented from late childhood onwards. It is important to establish the point at which behavioural, emotional and social problems emerge in children who stutter. METHODS: The study used data from the Millennium Cohort Study, whose initial cohort comprised 18,818 children. Analysis involved data collected when the cohort members were 3, 5 and 11 years old. The association between parent-reported stuttering and performance on the Strengths and Difficulties Questionnaire was determined in regression analyses which controlled for cohort members' sex, verbal and non-verbal abilities, maternal education, and family economic status. RESULTS: Compared with typically-developing children, those who stuttered had significantly higher Total Difficulties scores at all three ages; in addition, scores on all of the sub-scales for 5-year-olds who stuttered indicated poorer development than their peers, and 11-year-olds who stuttered had poorer development than peers in all areas except prosocial skills. At ages 5 and 11, those who stuttered were more likely than peers to have scores indicating cause for clinical concern in almost all areas. CONCLUSION: Children who stutter may begin to show impaired behavioural, emotional and social development as early as age 3, and these difficulties are well established in older children who stutter. Parents and practitioners need to be aware of the possibility of these difficulties and intervention needs to be provided in a timely fashion to address such difficulties in childhood and to prevent the potential development of serious mental health difficulties later in life. PMID- 27865228 TI - Specific subtype of fluency disorder affecting French speaking children: A phonological analysis. AB - PURPOSE: Clinicians working with fluency disorders sometimes see children whose word repetitions are mostly located at the end of words and do not induce physical tension. Prior studies on the topic have proposed several names for these disfluencies including "end word repetitions", "final sound repetitions" and "atypical disfluency". The purpose of this study was to use phonological analysis to explore the patterns of this poorly recognized fluency disorder in order to better understand its specific speech characteristics. METHODS: We analyzed a spontaneous language sample of 8 French speaking children. Audio and video recordings allowed us to study general communication issues as well as linguistic and acoustical data. RESULTS: We did not detect speech rupture or coarticulation failures between the syllable onset and rhyme. The problem resides primarily on the rhyme production with a voicing interruption in the middle of the syllable nucleus or a repetition of the rhyme (nucleus alone or nucleus and coda), regardless of the position in the word or phrase. CONCLUSION: The present study provides data suggesting that there exist major differences in syllable production between the disfluencies produced by our 8 children and stuttered disfluencies. Consequently, we believe that this fluency disorder should be recognized as distinct from stuttering. PMID- 27865229 TI - A comparison of three strategies for reducing the public stigma associated with stuttering. AB - PURPOSE: The effects of three anti-stigma strategies for stuttering-contact (hearing personal stories from an individual who stutters), education (replacing myths about stuttering with facts), and protest (condemning negative attitudes toward people who stutter)-were examined on attitudes, emotions, and behavioral intentions toward people who stutter. METHOD: Two hundred and twelve adults recruited from a nationwide survey in the United States were randomly assigned to one of the three anti-stigma conditions or a control condition. Participants completed questionnaires about stereotypes, negative emotional reactions, social distance, discriminatory intentions, and empowerment regarding people who stutter prior to and after watching a video for the assigned condition, and reported their attitude changes about people who stutter. Some participants completed follow-up questionnaires on the same measures one week later. RESULTS: All three anti-stigma strategies were more effective than the control condition for reducing stereotypes, negative emotions, and discriminatory intentions from pretest to posttest. Education and protest effects for reducing negative stereotypes were maintained at one-week follow-up. Contact had the most positive effect for increasing affirming attitudes about people who stutter from pretest to posttest and pretest to follow-up. Participants in the contact and education groups, but not protest, self-reported significantly more positive attitude change about people who stutter as a result of watching the video compared to the control group. CONCLUSION: Advocates in the field of stuttering can use education and protest strategies to reduce negative attitudes about people who stutter, and people who stutter can increase affirming attitudes through interpersonal contact with others. PMID- 27865230 TI - Impact of social media and quality life of people who stutter. PMID- 27865231 TI - Long-term Consequences of Childhood Bullying in Adults who Stutter: Social Anxiety, Fear of Negative Evaluation, Self-esteem, and Satisfaction with Life. AB - PURPOSE: Psychosocial disorders have been reported in adults who stutter, especially social anxiety disorder. Social anxiety has been linked to childhood victimization. It is possible that recalled childhood victimization could be linked to psychosocial problems reported in some adults who stutter. METHOD: Participants were 36 adults who stutter and 36 adults who do not stutter (mean age=21.9 years). The Retrospective Bullying Questionnaire was completed for primary school, secondary school and university environments for physical, verbal, relational and cyber bullying. Participants were categorized into one of five groups (bully, victim, bully-victim, bystander and uninvolved) based ontheir responses. Participants completed four psychosocial scales: social interaction anxiety, fear of negative evaluation, self-esteem and satisfaction with life scales. RESULTS: The two groups differed with adults who stutter having higher social interaction anxiety, fear of negative evaluation and satisfaction with life. Analyses of variance revealed that victims had the highest scores among both groups on all four scales. CONCLUSION: Adults who recalled being victimized during childhood were more likely, regardless of whether they stutter or did not stutter, to have poorer psychosocial scale scores. These results show the lingering effects of childhood victimization, common in some children who stutter, may contribute to the reported psychosocial problems in adulthood. The need for early intervention for children who are bullied and future research with larger samples is warranted. PMID- 27865232 TI - Bedaquiline: Introducing a new drug to the MDR TB armamentarium. PMID- 27865233 TI - CYP2E1 polymorphism, acetylator profiles and drug-induced liver injury incidence of Indonesian tuberculosis patients. AB - OBJECTIVE: A polymorphism of CYP2E1 may be directly associated with the development of INH hepatotoxicity. We conducted this study to evaluate the association between polymorphisms of CYP2E1, Isoniazid (INH) concentration and the acetylator status of INH in cases of Indonesian tuberculosis patients with drug-induced liver disease (DILI). METHODS: We conducted our study with a cohort design consisting of 55 Indonesian adult tuberculosis (TB) patients. Acetylating phenotypes were studied in using the metabolic ratio of plasma AcHZ/HZ. DILI was defined using CTCAV version 4.0. The allelic and genotypic frequency distributions of CYP2E1 rs 3813867 were studied using the polymerase chain reaction - amplification refractory mutation system (ARMS) methodology. RESULTS: Patients with an INH concentration of more than 7MUg/mL showed a higher risk of developing DILI when compared with patients who showed a therapeutic range of 3 6MUg/mL INH (OR: 1.3, 95% CI: 0.2-8.2). Slow acetylators had a higher incidence of DILI when compared with rapid acetylators (OR: 4.6, 95% CI: 1.3-15.9). Meanwhile, subjects with GC had a higher risk of DILI incidence (OR: 4.3, 95% CI: 0.8-24.4). CONCLUSION: Our study shows that polymorphisms of CYP2E1 and slow acetylator may have role in the DILI incidence. PMID- 27865234 TI - Rapid detection of extensively drug-resistant (XDR-TB) strains from multidrug resistant tuberculosis (MDR-TB) cases isolated from smear-negative pulmonary samples in an Intermediate Reference Laboratory in India. AB - BACKGROUND: Direct sputum smear microscopy is commonly used for diagnosing tuberculosis (TB). The objectives of the study were first, to determine the recovery of Mycobacterium tuberculosis in smear-negative sputum samples through liquid culture (using MGIT 960) and solid culture (using LJ slant) and second, to screen multidrug-resistant isolates through line probe assay and further third, to identify XDR isolates through MGIT second-line DST from these positive MDR cultures in Delhi region. METHODS: In this study, the sample size was 717 (sputum smear AFB negative and culture positive for M. tuberculosis complex by both solid and liquid culture methods) MDRTB suspects who were enrolled from January 2014 to December 2014 at the Intermediate Reference Laboratory in New Delhi Tuberculosis Centre, New Delhi. Rapid line probe assay was performed on all culture-positive samples, which were direct smear-negative specimens, and LPA-confirmed MDR samples were tested on MGIT 960 second-line DST for identification of XDR strains. RESULTS: An overall increase in the culture positivity (9.4%) among these smear-negative cases shows a good sign of recovery from M. tuberculosis infection in these samples. 717 (9.4%) positive cultures (MGIT+LJ) were subjected to line probe assay. Out of these 717 cultures, 9 (1.2%) were confirmed as NTM, 50 (7%) were MDR, 4 (0.6%) were mono-rifampicin resistant and 654 (91.2%) cultures were sensitive to both drugs Rif and Inh, respectively. Out of these 54 (50 MDR +4 mono-RIF resistant) cultures as screened by LPA, 1 (1.8%) was XDR, 10 (18.6%) were mono-ofloxacin resistant and 1 (1.8%) was mono-Kanamycin resistant. Sensitivity to both drugs KAN and OFX was seen in 42 (77.8%) cultures. CONCLUSIONS: Since the bacterial load in direct smear-negative suspected MDR samples is less, it is important to recover mycobacteria by rapid liquid culture method in such samples. Initial screening for MDRTB is to be done in such cases by performing rapid molecular genotypic drug susceptibility test such as LPA. Baseline second-line DST is also done to rule out the XDR cases among them for rapid and better management of XDRTB patients. PMID- 27865235 TI - Role of real-time PCR for detection of tuberculosis and drug resistance directly from clinical samples. AB - BACKGROUND: Only a few studies done earlier in India reveal the utility of real time PCR in detecting drug resistance in cases of pulmonary tuberculosis. OBJECTIVES: The study was carried out to standardise real-time PCR (Quantitative real-time PCR, qPCR) targeting 16s RNA for the rapid detection of tuberculosis and its drug resistance from suspected TB patients. MATERIALS AND METHODS: Sputum samples from 100 clinically suspected tuberculosis patients, after processing were subjected to microscopy, MGIT culture and qPCR. qPCR targeted 16sRNA for detecting Mycobacterium tuberculosis complex, KatG and rpoB genes for detection of resistance to isoniazid and rifampicin respectively. 1% proportionate method and Line probe assay (Hain Lifesciences, Nehren, Germany) were used to confirm the MDR isolates. RESULTS: The study showed positivity of microscopy, culture and qPCR for M. tuberculosis as 37%, 44% and 46% respectively. Sensitivity of 100% and specificity of 96.5% in the detection of M. tuberculosis was observed for qPCR in comparison to culture. MDRTB was detected in 14 cases whereas monoresistance to rifampicin and isoniazid was detected in 1 and 3 samples respectively. CONCLUSION: Real-time PCR targeting 16sRNA, KatG and rpoB is a sensitive, specific, rapid and reliable technique to detect pulmonary tuberculosis and its MDR status directly from the sputum samples. PMID- 27865236 TI - PCR targeting IS6110 in diagnosing tuberculosis in children in comparison to MGIT culture. AB - BACKGROUND: Diagnosis of tuberculosis (TB) in children is difficult in children especially in extrapulmonary tuberculosis (EPTB). This study was conducted to evaluate the use of polymerase chain reaction (PCR) targeting IS6110 in the diagnosis of TB in children with pulmonary TB and EPTB and also to compare its performance with MGIT 960 culture and conventional microscopy. METHODS: A total of 142 cases (50 pulmonary, 92 extrapulmonary) of suspected TB patients <15 years of age were included in the study. The clinical specimens obtained from these cases were subjected to Ziehl-Neelsen staining (ZN), MGIT 960 TB culture and PCR targeting insertion sequence IS6110. Sensitivity and specificity of PCR were calculated in pulmonary and extrapulmonary specimens. The results were compared to MGIT culture. RESULTS: PCR targeting IS6110 sequence had sensitivity of 69.01% in various clinical specimens which was significantly more than MGIT culture showing a sensitivity of 47.41% (p<0.05). Sensitivity of PCR IS6110 in extrapulmonary specimens was 65.21% which was lower than sensitivity in pulmonary specimens (76%) but was not statistically significant (p>0.05). CONCLUSIONS: Diagnostic efficacy of PCR IS6110 in pulmonary and extrapulmonary TB cases was similar. PCR using IS6110 primer had significantly better efficiency than MGIT culture in diagnosing TB in children. PMID- 27865237 TI - Smoked and smokeless tobacco use among pulmonary tuberculosis patients under RNTCP in urban Puducherry, India. AB - BACKGROUND: Smoking is associated with unfavourable treatment outcomes like failures and defaults among the TB patients. OBJECTIVES: To study the prevalence and pattern of tobacco use among the pulmonary tuberculosis (PTB) patients in urban Pondicherry and study the association of various socio-demographic variables with current smoked and smokeless tobacco users. METHODS: A cross sectional study was conducted among 235 PTB patients from 6 randomly selected urban PHCs of Pondicherry from Jan 2013 to March 2014. Fagerstrom Test for Nicotine Dependence was used. Chi-square test and multiple-logistic regression were done. RESULTS: Prevalence of smoking among the PTB patients at the time of TB diagnosis was 35.3%, whereas the same during the continuation phase (CP) was 23.4%. Among 83 smokers at the time of diagnosis, 52 modified and 31 did not modify their smoking after TB diagnosis. Similarly, prevalence of smokeless tobacco use both at the time of TB diagnosis and during CP was 9.8%. Male and lower education level was associated with current smoking. Similarly, female and lower education level was associated with current smokeless tobacco use. CONCLUSIONS: One-third of PTB patients used smoked or smokeless tobacco during their CP. Health programme needs to concentrate on PTB patients who continue to use smoked or smokeless tobacco during their treatment; necessary interventions need to be planned. PMID- 27865238 TI - Tuberculosis prevalence and socio-economic differentials in the slums of four metropolitan cities of India. AB - AIM: To understand tuberculosis (TB) prevalence among the slum dwellers of metropolitan cities of India and the factors associated with TB prevalence. METHODS: National Family Health Survey-III data for four metropolitan cities namely, Delhi, Mumbai, Kolkata and Chennai was used for this study. RESULTS: Prevalence of TB is significantly (P=0.001) higher in the slums than non-slums of Mumbai, Chennai and Kolkata cities. As the living standard increases, TB prevalence decreases. Logistic regression analysis uncovers that lower standard of living is highly associated with TB followed by place of residence (slum or non-slum). CONCLUSION: Mumbai has the highest prevalence among the four cities studied herein. Living standards, place of residence and absence of windows and electricity in the households are the factors associated with TB prevalence. PMID- 27865240 TI - Prediction equations for spirometry in adults in western India. AB - BACKGROUND: Spirometry is an essential investigation in pulmonology. The predicted normal spirometry values depend on various physiological parameters. This study was conducted to collect updated information on pulmonary functions in normal adults from western India. MATERIAL AND METHODS: A prospective observational study was undertaken at a tertiary hospital in Mumbai enrolling healthy subjects, 18-75 years, with ethnic origin from western India. Spirometry measurements were carried out as per ATS/ERS-2005 guidelines using a non-heated Fleish Pneumotachograph spirometer. Data was analyzed using SPSS for Pearson's correlation analysis, multiple linear regressions and log transformations of variables to get the best prediction equations. RESULTS: 310 subjects (185 males, 125 females) were included. Lung function values were higher in men as compared to women. In multivariate linear regression models, age and height were major predictor variables for all spirometry parameters. Addition of weight as a determinant variable did not make significant contribution to the models except for PEFR in males and F75 in females. Regression equations were established for FVC, FEV1, FEV1/FVC ratio, PEFR, F25-75, F50, and F75. The standard-error-of estimate was provided to enable computation of lower limits of normal for these parameters. CONCLUSION: We propose regression equations for spirometry variables developed using the current standards for adult West Indian population fulfilling the long-felt need for updated equations. PMID- 27865239 TI - Patterns of granulomatous responses in TB lymphadenitis and their correlation with treatment outcomes. AB - INTRODUCTION: Four patterns are noted in aspirates of TB lymphadenitis with or without concomitant HIV. They are granulomatous, necrotizing granulomatous, predominantly necrotizing and necrotizing suppurative designated pattern 1, 2, 3 and 4, respectively. The present study attempted to correlate granulomatous patterns, Acid Fast Bacilli (AFB) density with treatment outcomes. MATERIALS AND METHODS: The MGG and Papanicolaou stained slides of 56 lymphadenitis patients, 38 TB and 18 TB with seropositive HIV were studied for two years. The AFB were stratified into: 0 - nil (1 - <=1 AFB, 2 - >1 but <10 AFB, 3 - >=10 AFB)/10 fields. RESULTS: There were 35 males and 21 females. Eleven aspirates demonstrated AFB. TB+HIV lymphadenitis displayed a higher AFB score. TB+HIV lymphadenitis aspirates significantly showed higher grade granulomas and AFB. TB+HIV lymphadenitis required >=8-month treatment. Granulomas (pattern 3 or 4) but not high AFB scores required longer treatment (>6 months). Treatment of AFB (>=1) often extended to >6 months. CONCLUSION: TB with seropositive HIV, possibly due to defective immune regulation exhibited granulomas (pattern 3 or 4) necessitating treatment for >=8 months. Pattern 3 or 4 granulomas irrespective of HIV status demanded >6-month treatment. PMID- 27865241 TI - Tobacco use and its impact on pulmonary health among elderly population in rural area of Muzaffarnagar - A cross-sectional study. AB - BACKGROUND: The tobacco use is significant in Indian rural population. Among them, elderly people in rural area are at special risk due to ageing and other factors. The impact of tobacco use on elderly health, therefore, needs to be studied in depth in rural context. OBJECTIVE: To study the patterns of tobacco use and its consequent impact on pulmonary health of the elderly. DESIGN AND METHODOLOGY: A community-based cross-sectional study was done (April 1st to September 30th, 2014) in the field practice area (village Bilaspur) of Rural Health Training Centre (RHTC) of Muzaffarnagar Medical College, Muzaffarnagar. A simple random sampling was used and elderly of 60 years and above were interviewed by semi-structured interview schedule. The data were analyzed by software Epi-info. version 7.1.3.3. RESULTS AND CONCLUSION: The prevalence of tobacco usage among elderly was 56.7%, in which smoking was the dominant one (37%) and majority being in the form of Bidi (56.7%). Tobacco usage was significantly associated not only with age, sex, and caste (p<0.05 each), but occupational and socio-economic status (p<0.01 each) also; however, literacy was the most significant factor (p<0.0001) among all. The tobacco usage in smoking form was highly significantly associated with the presence of chronic obstructive pulmonary disease (p<0.0001), elucidating a significant impact on their pulmonary health. The rural elderly people need health education regarding curtailing the use of tobacco for their better health from health clinics. PMID- 27865242 TI - A study on knowledge and awareness about tuberculosis in senior school children in Bangalore, India. AB - BACKGROUND: Tuberculosis (TB) is an infectious disease caused by Mycobacterium tuberculosis (M. tuberculosis), commonly affecting the lungs. All health care professionals including the pharmacists provide a valuable public health role in promoting community awareness of TB particularly in reducing stigma attached to TB. Thus, creating awareness at a community level could play a vital role in control and prevention of TB. OBJECTIVES: To determine whether educational intervention would affect the level of TB awareness among students of selected schools and pre-university colleges (PUCs) in Bangalore urban and Bangalore rural regions. METHODOLOGY: The present study was conducted among the students of 8th, 9th, 10th and PUC in Bangalore rural and urban jurisdiction (n=2635). A questionnaire was designed in English and Kannada language, consisting of 20 questions with multiple-choice answers. A 30-minute visual health education was given on TB in English, followed by general pictorial presentation, and the data were collected as pre-test and post-test. RESULTS: Data collected from 2635 participants during pre- and post-education session revealed that mean score improved from 8.77+/-2.59 to 14.95+/-1.99. Impact of the education session showed a significant knowledge improvement about TB from 1.59% (pre-education) to 49.67% (post-education). CONCLUSION: The present study clearly demonstrated that a simple, 30-minute health education session did have a positive impact on knowledge and awareness about TB among school children as observed with increase in mean knowledge score from pre-test to post-test, indicating that empowerment of students could guide the community on various aspects of TB. PMID- 27865243 TI - Lessons learnt from active tuberculosis case finding in an urban slum setting of Agra city, India. AB - Active case finding (ACF) is recognized as one of the key strategies to reach the missing 3 million cases in high tuberculosis (TB) burden countries. In India, we conducted ACF as a pilot project to assess its operational feasibility in four slums of Agra city in 2012 and covered 3940 households (in 14 wards) with a population of 21,870. Trained community volunteers visited households with an intention to provide information on TB and refer those with cough >=2 weeks for sputum smear examination. Volunteers identified 8 persons with cough of >=2 weeks by asking the first or the main respondent of the household. However, by directly asking (or probing) all available members of the household, they identified 374 persons with cough of >=2 weeks. All 382 persons with cough of >=2 weeks were referred for sputum smear examination. While 40% of those referred reached health facilities for sputum examination on their own, 60% had to be accompanied by the community volunteers to the health facility for sputum smear examination by Ziehl Neelsen staining method. Eventually, seven persons were found to be sputum smear positive. This study highlighted important aspects for implementing ACF: First, all household members have to be asked for TB symptoms and Second, mere referral for sputum examination is not enough and there is a need to support people to reach the health facility for sputum smear examination. PMID- 27865244 TI - Tubercular osteomyelitis of calcaneum bone: A rare occurrence. AB - In spite of the endemic nature of tuberculosis in India, skeletal tuberculosis is relatively infrequent. Involvement of foot bones is uncommon and isolated calcaneum is even rarer. Osteoarticular tuberculosis is a diagnostic enigma, as the characteristic signs and symptoms of this disease may be absent, or mimic other disorders, leading to emergence of complications and therapeutic delay, particularly when the disease affects unusual sites. Here, we are reporting the case of 20-year-old male, who presented with a rare localization of tubercular osteomyelitis involving the calcaneum without adjacent joint involvement to draw attention to this exceptional location in adults, managed with anti-tubercular treatment and gained excellent recovery. PMID- 27865245 TI - Adolescent with recurrent tuberculosis: Can it be chronic granulomatous disease? AB - Chronic granulomatous disease (CGD) is an inherited primary immunodeficiency disorder with recurrent bacterial and fungal infections like Staphylococcus aureus, Nocardia spp, Serratia marcescens, Burkholderia cepacia, Salmonella spp. and Aspergillus species. We present a 13-year-old male child who had 3 episodes of tuberculosis (TB) at 5 years, 8 years and 13 years of age, respectively, with no other intercurrent infections and who was diagnosed as CGD at the age of 13 years. This case highlights the possibility of phenotypic variations of CGD. The diagnosis of CGD should also be sought in all children with recurrent TB. PMID- 27865246 TI - Renal tuberculosis presenting as acute pyelonephritis - A rarity. AB - One of the major health problems faced particularly by the developing world since ages is that of tuberculosis (TB). Genito-urinary tuberculosis (GUTB) is the second most common extrapulmonary TB, with kidney being the most frequent site of infection. Due to the diverse and atypical clinical manifestations of urinary TB, the disease is easy to misdiagnose. The diagnosis of renal TB should be suspected in a nonspecific bacterial cystitis associated with a therapeutic failure or a sterile pyuria and a past history of pulmonary TB with important radiologic findings, particularly with the help of CT scan. Here, we describe a case of renal TB where no clinical or radiological features suggestive of renal TB were present. The diagnosis was only evident after the histopathological examination of the excised kidney. This case highlights the importance of suspecting renal TB as an important cause of kidney disease, which can lead to irreversible renal function loss particularly in an endemic area, and also the diversity that this disease may acquire in its presentation leading to misdiagnosis. In such a case, particularly in a high endemic area for TB, therapeutic trial of ATT may also be considered to avoid unnecessary surgical intervention and end-stage renal disease. PMID- 27865247 TI - Implementing a central venous catheter self-management education program for patients with cancer. AB - PURPOSE: To evaluate the effects of the central venous catheter self-management education program (CVC S-MEP) in improving knowledge, attitude, and behavior regarding CVC and in decreasing CVC-related complications in patients with cancer during homecare service. METHODS: A quasi-experimental, sequential cohort design study of patients with cancer and who have CVCs was performed to compare the effect of CVC S-MEP with usual care. RESULTS: The study group consisted of 45 participants (26 male and 19 female), and the mean age was 46.1 (SD, 10.5) years. The subjects of the CVC S-MEP had significantly high mean levels of self management knowledge (p = 0.007), attitude (p < 0.001), and behavior (p = 0.002). Also, the participants in the CVC S-MEP had significantly lower frequency of catheter-related complications (p = 0.030). CONCLUSIONS: The CVC S-MEP helped improve patients' ability to resolve problems and adequately respond to CVC related emergency situations by fostering greater self-care ability. Additionally, providing practical information for CVC self-management in a gradual and repetitive manner had a notable positive effect on patients. PMID- 27865248 TI - The Chinese version of hospital anxiety and depression scale: Psychometric properties in Chinese cancer patients and their family caregivers. AB - PURPOSE: The Hospital Anxiety and Depression Scale (HADS) acts as one of the most frequently used self-reported measures in cancer practice. The evidence for construct validity of HADS, however, remains inconclusive. The objective of this study is to evaluate the psychometric properties of the Chinese version HADS (C HADS) in terms of construct validity, internal consistency reliability, and concurrent validity in dyads of Chinese cancer patients and their family caregivers. METHODS: This was a cross-sectional study, conducted in multiple centers: one hospital in each of the seven different administrative regions in China from October 2014 to May 2015. A total of 641 dyads, consisting of cancer patients and family caregivers, completed a survey assessing their demographic and background information, anxiety and depression using C-HADS, and quality of life (QOL) using Chinese version SF-12. Data analysis methods included descriptive statistics, confirmatory factor analysis (CFA), and Pearson correlations. RESULTS: Both the two-factor and one-factor models offered the best and adequate fit to the data in cancer patients and family caregivers respectively. The comparison of the two-factor and single-factor models supports the basic assumption of two-factor construct of C-HADS. The overall and two subscales of C-HADS in both cancer patients and family caregivers had good internal consistency and acceptable concurrent validity. CONCLUSIONS: The Chinese version of the HADS may be a reliable and valid screening tool, as indicated by its original two-factor structure. The finding supports the basic assumption of two-factor construct of HADS. PMID- 27865249 TI - Development and validation of the preparedness for Colorectal Cancer Surgery Questionnaire: PCSQ-pre 24. AB - PURPOSE: The aims of the study were to develop and psychometrically evaluate a patient-reported outcome instrument for the measurement of preoperative preparedness in patients undergoing surgery for colorectal cancer. METHODS: This study was conducted in two stages: a) instrument development (item generation, construction of items and domains), empirical verification and b) instrument evaluation. A questionnaire with 28 items measuring preparedness for surgery was developed covering four domains and was tested for content validity with an expert panel and with patients. Psychometric testing of the questionnaire was conducted on 240 patients undergoing elective surgery for colorectal cancer. RESULTS: The scale content validity index of the preparedness items was 0.97. The final version consisted of 24 items measuring 4 subscales: Searching for and making use of information, Understanding and involvement in the care process, Making sense of the recovery process and Support and access to medical care. Confirmatory factor analysis revealed good model fit with standardized factor loadings ranging from 0.58 to 0.97. A well-fitting second-order factor model provided support for a total preparedness score with second-order factor loadings ranging from 0.75 to 0.93. The ordinal alpha values of the four latent factors ranged from 0.92 to 0.96, indicating good internal consistency. The polyserial correlations with the total score were 0.64 (p < 0.01) for the overall preparedness question and 0.37 (p < 0.01) for overall well-being. CONCLUSION: The Swedish Preparedness for Colorectal Cancer Surgery Questionnaire for use in the preoperative phase demonstrated good psychometric properties based on a sound conceptualization of preparedness. PMID- 27865250 TI - Are children as relatives our responsibility? - How nurses perceive their role in caring for children as relatives of seriously ill patients. AB - PURPOSE: The purpose of this study was to elucidate how nurses perceive their role in caring for children as relatives to a parent with a serious physical illness. METHOD: A qualitative explorative design with focus group interviews was used. In total, 22 nurses working at one neurological, one haematological and two oncological wards were interviewed. The transcripts from the interviews were analysed in steps in accordance with inductive qualitative content analysis. RESULTS: This study revealed six variations in how nurses perceived their role in the encounter with child relatives, ranging from being convinced that it is not their responsibility to being aware of the children's situation and working systematically to support them. CONCLUSION: Nurses should consider whether their patients have children who might be affected by their parent's illness. The nurses' self-confidence when meeting these children must be increased by education in order to strengthen their professional role. Furthermore, guidelines on how to encounter child relatives are required. PMID- 27865251 TI - Like being covered in a wet and dark blanket - Parents' lived experiences of losing a child to cancer. AB - PURPOSE: The aim of this study was to illuminate parents' lived experiences of losing a child to cancer. METHOD: Interviews and a narrative about parents' experiences of losing a child to cancer were gathered from six parents of children whom had participated in a longitudinal study across the child's illness trajectory. The analysis of the data was inspired by van Manen's hermeneutic phenomenological approach. RESULTS: One essential theme emerged: Like being covered in a wet and dark blanket, as well as six related themes: Feeling conflicting emotions, Preparing for the moment of death, Continuing parenting after death, Recollecting and sharing memories, Working through the sorrow and New perspectives in life. CONCLUSION: There is a need for good palliative care. If not, there is a risk that the parent will perseverate and blame themselves for not being a good parent during the suffering child's last time in life. Meetings with the parents six months and two years after the child's death might facilitate healing through the grief process. PMID- 27865252 TI - Measuring trust in nurses - Psychometric properties of the Trust in Nurses Scale in four countries. AB - PURPOSE: The purpose of this study was to examine psychometric properties of three translated versions of the Trust in Nurses Scale (TNS) and cancer patients' perceptions of trust in nurses in a sample of cancer patients from four European countries. METHODS: A cross-sectional, cross-cultural, multi-site survey design was used. The data were collected with the Trust in Nurses Scale from patients with different types of malignancies in 17 units within five clinical sites (n = 599) between 09/2012 and 06/2014. Data were analyzed using descriptive and inferential statistics, multivariate methods and psychometrics using exploratory factor analysis, Cronbach's alpha coefficients, item analysis and Rasch analysis. RESULTS: The psychometric properties of the data were consistent in all countries. Within the exploratory factor analysis the principal component analysis supported the one component structure (unidimensionality) of the TNS. The internal consistency reliability was acceptable. The Rasch analysis supported the unidimensionality of the TNS cross-culturally. All items of the TNS demonstrated acceptable goodness-of-fit to the Rasch model. Cancer patients trusted nurses to a great extent although between-country differences were found. CONCLUSIONS: The Trust in Nurses Scale proved to be a valid and reliable tool for measuring patients' trust in nurses in oncological settings in international contexts. PMID- 27865253 TI - Perceptions of patients, families, physicians and nurses regarding challenges in cancer disclosure: A descriptive qualitative study. AB - PURPOSE: The findings of numerous studies have illustrated that there is still a high proportion of cancer patients in Eastern and Middle-East countries including Iran, who are not properly informed of their disease due to the concealment atmosphere which still prevails. This descriptive qualitative study is aimed at exploring perceptions of patients, patients' family members, physicians and nurses regarding cancer disclosure challenges. METHODS: Thirty-five participants (15 patients, 6 family members, 9 physicians, and 5 nurses) were selected through purposive sampling. The data were collected through in-depth interviews; after which they were analyzed using a qualitative content analysis with an inductive approach. RESULTS: Data analysis revealed the following three categories: first, challenges related to healthcare system which deals with the deficiencies, strains and concerns in medical setting and healthcare team training; second, challenges related to family insistence on concealment which includes their fear of cancer disclosure and its negative impact on the patients; and third, challenges related to policy making which consists of deficiencies in legislative and supportive institutions for advocacy of truth telling. CONCLUSIONS: Successful move from concealment to effective disclosure attitude in cancer patients in Iran requires a national determination for resolving challenges in medical education as well as other different social, cultural and policy making dimensions. PMID- 27865255 TI - Recommendations for symptom management in women with vulvar neoplasms after surgical treatment: An evidence-based guideline. AB - PURPOSE: To develop an evidence-based guideline for nurses and other health care professionals involved in pre- and postsurgical care of women with vulvar cancer (VC) or vulvar intraepithelial neoplasia (VIN). METHODS: This evidence-based guideline was developed according to six domains of the methodological framework AGREE II. Literature research with focus on cancer care, symptom management and self-management/counselling was conducted from April to August 2013 in the databases CINAHL, Cochrane Library, PsycINFO, PubMed as well as in 14 international guideline databases. Interdisciplinary experts (n = 14) were involved in the development of the guideline from December 2013 to January 2014. This guideline is currently tested in the WOMAN-PRO II RCT (Clinical Trial No: NCT01986725). RESULTS: For the definition of recommendations, five guidelines, one meta-analysis, two systematic reviews and two randomized controlled trials were included. In total, 24 recommendations were formulated to answer 22 clinical questions based on patients' perspective and experts' opinion. Evidence ranged from 3.5 to 5 (3.5 = weak evidence and/or clinical relevance, 5 = best evidence and/or clinical relevance). The recommendations were subsumed under different themes regarding physical, psychological and psychosocial aspects. CONCLUSIONS: The clinical practice guideline developed in this study firstly provides recommendations for symptom management issues focusing on self-management interventions for women with VC or VIN. As an interdisciplinary guideline it should be used in addition to the existing medical guideline in the German speaking context. PMID- 27865254 TI - A systematic literature review comparing the psychological care needs of patients with mesothelioma and advanced lung cancer. AB - PURPOSE: Psychological distress which adversely affects a person's experience of cancer has been shown to be highly prevalent in patients with mesothelioma. Historically, the assumption has been made that the evidence guiding the supportive care needs for lung cancer is relevant to those with mesothelioma. The objective of the study was to evaluate if the psychological care needs differ between patients with pleural mesothelioma and those with advanced lung cancer. METHODS: A search of MEDLINE, CINAHL, PsycARTICLES, Psychology and Behavioural Sciences Collection, PsycINFO databases, grey literature and the Cochrane Library of Systematic Reviews identified 17 studies meeting a predefined inclusion criteria. These were critically appraised for quality. Data relating to psychological experiences was extracted which was then synthesised narratively and through a process of meta ethnography. RESULTS: Common themes identified across the studies created 10 key concepts. These were uncertainty, normality, hope/hopelessness, stigma/blame/guilt, family/carer concern, physical symptoms, experience of diagnosis, iatrogenic distress, financial/legal and death and dying. Key similarities and differences were identified between the mesothelioma and lung cancer evidence. CONCLUSIONS: There is limited research exploring the lived experiences of those with mesothelioma and lung cancer, with the majority of them having methodological and/or reporting concerns compromising the conclusions made. However, reoccurring themes in the evidence were found suggesting a number of areas where the psychological experience of mesothelioma differs from that of advanced lung cancer. These findings warrant further research to explore further and if proven, the need for the provision of specialist mesothelioma care services is affirmed. PMID- 27865256 TI - Opioid-taking self-efficacy as influencing emotional status in patients with cancer pain. AB - PURPOSE: The purpose of this study was to evaluate how much of the variance in emotional status amongst Taiwanese cancer patients could be accounted for by opioid-taking self-efficacy. METHODS: This cross-sectional study included 109 cancer patients who had taken prescribed opioid analgesics for cancer related pain in the past week and completed the Opioid-Taking Self-Efficacy Scale-CA (OTSES-CA) and Hospital Anxiety and Depression Scale. RESULTS: There was a significant and negative correlation between scores on anxiety and self-efficacy total scale (r = -0.29, p < 0.01), self-efficacy communication subscale (r = 0.37, p < 0.01), self-efficacy acquiring help subscale (r = -0.22, p < 0.05) and self-efficacy managing treatment related concerns subscale (r = -0.32, p < 0.01). However, the correlation between scores on depression and the self-efficacy total scale was not significant (r = -0.18, p > 0.05); only the self-efficacy communication subscale was significantly and negatively associated with depression (r = -0.27, p < 0.01). The opioid-taking self-efficacy total scale accounted for 8% of predicting the patients' anxiety. Opioid-taking self-efficacy subscales accounted for 20% (R2 = 0.20, p = 0.000) of the variance in predicting anxiety and 10% (R2 = 0.10, p = 0.02) of the variance in predicting depression. CONCLUSIONS: This study highlights the potential importance of a patient's opioid taking self-efficacy beliefs in their emotional status, which is relevant to cancer pain. PMID- 27865257 TI - Pain and social processes for hospice cancer patients: An integrative review. AB - PURPOSE: Hospice cancer patients experience poorly-controlled pain in spite of widely-disseminated evidence-based guidelines for use by hospice care practitioners. Pain management occurs in the context of the interdisciplinary team, centered on a caring triad in the home: the person with pain, their caregiver, and their nurse. This review: 1) Summarizes what is known about differing ways that members of the hospice caring triad (patients, caregivers, and nurses) interpret and respond to cancer pain, in order to develop a cancer pain social processes theoretical framework, 2) Identifies gaps in understanding of hospice cancer pain social processes, and 3) Identifies framework concepts for research-based clinical practice with potential to improve pain outcomes. METHODS: Our integrative review of the literature resulted in the identification and synthesis of 21 unique studies of cancer pain social processes, which were categorized according to a social processes framework and hospice caring triad member roles, using a social processes concepts matrix. RESULTS: Pain meanings, goals, and related responses vary for persons with pain, caregivers, and nurses. Studies have explored individual social processes concepts or triad member roles. Studies identify the need for pain meaning to be included in hospice pain management plans. CONCLUSIONS: To our knowledge, no single study has generated a framework for hospice cancer pain social processes addressing and incorporating the roles of all three caring triad members. Therefore, comprehensive hospice cancer pain clinical evaluation and interventions plans may be missing key elements of pain management, especially for persons with ongoing poorly controlled pain. PMID- 27865258 TI - Preparing young people for future decision-making about cancer risk in families affected or at risk from hereditary breast cancer: A qualitative interview study. AB - PURPOSE: Women carrying the mutated BRCA gene, have approximately an 80% life time risk of developing breast cancer with 50% risk of their children inheriting the gene mutation. Many parents find it difficult to know when and how to disclose this information to their children and how such disclosure might affect their child's future decision-making. METHOD: This study explored the communication of genetic risk information in families using qualitative semi structured interviews conducted with parents, children (7-11years) and young people (12-18years) affected or at risk from a BRCA gene mutation. Thematic analysis was applied to coded transcripts producing four themes; family communication, perception of cancer risks, risk management strategies and impact of genetic risk communication in children and young people's decision making. RESULTS: Twenty-seven individuals from 11 families took part, recruited through purposive sampling techniques. Cancer risk caused by a BRCA gene mutation induced a sense of fear in parents about their children's future. As a result, parents with hereditary breast cancer disclosed limited information about the risks associated with prophylactic surgery and/or the psychological and emotional impacts of surgery on body image. This had implications to children and young people's perceptions of prophylactic procedures, which were already influenced by cultural understandings of the 'desirable body' and increasing acceptance and proliferation cosmetic surgery. CONCLUSION: Lack of risk management information and the acculturation of cosmetic surgery combined to limit children and young people's understanding of the impact of hereditary breast cancer; reducing their ability to actualise the physiological, psychological and emotional consequences of surgery. PMID- 27865259 TI - Web based survivorship interventions for women with breast cancer: An integrative review. AB - PURPOSE: Breast cancer survivors' experience a range of negative sequelae post treatment including depression, anxiety, physical side effects from treatment, sexuality concerns and decreased quality of life. Survivorship care is recommended by the IOM to meet the post treatment needs of survivors but implementation is variable and barriers to delivery such as time and resource restraints have been identified. Web-based interventions may be a way to overcome some barriers to providing quality survivorship care that is efficacious, cost efficient and convenient. The purpose of this integrative review is to summarize and synthesize the current research on web-based interventions for breast cancer survivorship care and evaluate the data to determine potential implications for practice. METHODS: The Preferred Reporting Items for Systematic Reviews and Meta Analyses (PRISMA) guidelines were used to guide this integrative review. Key search terms included breast cancer, survivor, intervention, web, internet and technology. Articles evaluating web-based survivorship interventions (n = 405) for early stage breast cancer patients who completed active therapy were included. RESULTS: Fifteen studies met inclusion criteria: six randomized controlled trials, six survey based studies, one qualitative study, one retrospective chart review and one mixed methods study. Studies evaluating cognitive behavioral therapy provided the strongest data. Other studies evaluated exercise and lifestyle interventions, symptom management programs and pilot/exploratory work. Findings suggest that web-based survivorship interventions are feasible and acceptable to breast cancer survivors. CONCLUSIONS: Web-based survivorship interventions have the potential to meet the needs of breast cancer survivors while possibly overcoming some of the documented barriers to survivorship care implementation. PMID- 27865260 TI - Antimicrobial resistance and molecular characterization of virulence genes, phylogenetic groups of Escherichia coli isolated from diarrheic and healthy camel calves in Tunisia. AB - This study was conducted to determine the prevalence of virulence genes, serogroups, antimicrobial resistance and phylogenetic groups of Escherichia coli strains isolated from diarrheic and healthy camel calves in Tunisia. From 120 fecal samples (62 healthy and 58 diarrheic camel calves aged less than 3 months), 70 E. coli isolates (53 from diarrheic herds and 17 from healthy herds) were examined by PCR for detection of the virulence genes associated with pathogenic E. coli in animals. A significantly greater frequency of the f17 gene was observed in individual camels and in herds with diarrhea, this gene being found in 44.7% and 41.5% of isolates from camels and herds with diarrhea versus 22.5% and 11.7% in camels (p=0.05) and herds without diarrhea (p=0.02). The aida, cnf1/2, f18, stx2 and paa genes were found only in isolates from camels with diarrhea, although at a low prevalence, 1.8%, 3.7%, 1.8%, 3.7% and 11.3%, respectively. Prevalence of afa8, cdtB, eae, east1, iroN, iss, kpsMTII, paa, sfa, tsh and papC genes did not differ significantly between herds with or without diarrhea. Genes coding for faeG, fanC, f41, estI, estII, CS31a and eltA were not detected in any isolates. All isolates were sensitive to amikacin, chloramphenicol, ciprofloxacin, gentamicin and ceftiofur and the highest frequency of resistance was observed to tetracycline, and ampicillin (52.8% and 37.1% respectively). The phylogenetic groups were identified by conventional triplex PCR. Results showed that E. coli strains segregated mainly in phylogenetic group B1, 52.8% in diarrheic herds and 52.9% in healthy herds. PMID- 27865261 TI - Humanized mice in infectious diseases. AB - The pathogenesis of infectious agents with human tropism can only be properly studied in an in vivo model featuring human cells or tissue. Humanized mice represent a small animal model featuring human cells or tissue that can be infected by human-specific viruses, bacteria, and parasites and also providing a functional human immune system. This makes the analysis of a human immune response to infection possible and allows for preclinical testing of new vaccines and therapeutic agents. Results of various studies using humanized mice to investigate pathogens with human tropism are presented in this review. In addition, the limitations of humanized mice and methods to improve this valuable animal model are discussed. PMID- 27865262 TI - Soluble forms of CD46 are detected in Bos taurus plasma and neutralize BVDV, the bovine pestivirus. AB - The pestivirus bovine viral diarrhea virus (BVDV) is known to bind to the CD46 molecule, which subsequently promotes entry of the virus. Mapping of the BVD virion-binding site has shown that two peptides, 66EQIV69 and 82GQVLAL87, located on antiparallel beta sheets in the most distal complement control protein module (CCP1), provide the attachment platform. In the present study, we reveal new CD46 encoding transcripts that are predicted to encode CCP1-containing soluble forms. Further, we show that the serum of most adult cattle contains soluble CD46 (sCD46) and that a recombinant soluble isoform neutralizes BVDV infectivity in an in vitro assay. We have then established an ELISA for determination of plasma sCD46 in a large cohort of animals. Overall, serum sCD46 amounts to 8+/-18ng/mL (mean+/-SD, n=440), with a IC [95-105] ranging from 6,4 to 9,8ng/mL and extreme values between 0 and 178ng/mL. We found that sCD46 is not detectable in fetal and neonatal sera and that its plasma concentration increases progressively up to adulthood. We also detected high- and low-sCD46 performers and show that this phenotype does not depend of environment. As modern rearing techniques make it possible to disseminate genetically-determined phenotypes very quickly in a population, a large-scale study examining whether high-sCD46 animals provide epidemiological protection against BVDV infection and transmission should be undertaken. PMID- 27865263 TI - Molecular assessment of the transplacental transmission of Toxoplasma gondii, Neospora caninum, Brucella canis and Ehrlichia canis in dogs. AB - Given the fact that numerous microbial species can be detected in pregnant female dogs, the objective of this study was to assess the transplacental transmission of Brucella canis, Ehrlichia canis, Neospora caninum and Toxoplasma gondii in stillborn puppies. This study involved 41 stillborn puppies, 78.6% of which were positive for T. gondii, 52.4% for N. caninum and 59.5% for B. canis. E. canis was not detected in any of the analyzed puppies. Pregnancy is an important physiological condition for the transmission of infectious agents to puppies and transplacental transmission may be epidemiologically relevant in the spread of these opportunistic agents. PMID- 27865264 TI - Changes in serum biomarkers of oxidative stress after treatment for canine leishmaniosis in sick dogs. AB - Canine leishmaniosis (CanL) is a zoonotic disease being endemic in several parts of the world. In this study we investigated the behavior of a panel of biomarkers of oxidative stress in 12 sick dogs naturally infected by CanL before and at days 30 and 180 of a successful therapy with a standard treatment. The assays total oxidant status (TOS), trolox equivalent antioxidant capacity (TEAC), ferric reducing ability of plasma (FRAP), cupric reducing antioxidant capacity (CUPRAC), serum thiol and paraoxonase 1 (PON1) were included in the panel. In addition, correlations between biomarkers of oxidative stress and inflammation (C-reactive protein (CRP) and ferritin) and urinary protein:creatinine ratio (UPC) were calculated. Serum CUPRAC, thiol and PON1 significantly increased after treatment and were negatively correlated with CRP, ferritin and UPC. This study demonstrates that biomarkers of oxidative stress, not previously studied in leishmaniosis such as CUPRAC and thiol, can change after a successful treatment for CanL showing a potential for use in monitoring the treatment of this disease. PMID- 27865266 TI - Ability of an oral formulation of afoxolaner to protect dogs from Borrelia burgdorferi infection transmitted by wild Ixodes scapularis ticks. AB - A randomized, blinded, negative controlled study was conducted to determine whether treatment with afoxolaner (NexGard(r), Merial, Inc.) would prevent the transmission of Borrelia burgdorferi to dogs by wild caught Ixodes scapularis ticks. Twenty healthy dogs were randomly assigned to two groups of ten dogs each. Ten dogs were treated orally on Day 0 at a dose near the minimum recommended dose of afoxolaner of 2.5mg/kg (actual doses 2.5-3.1mg/kg) and ten control dogs were not treated. On Day 28, each dog was infested with approximately 50 adult unfed wild caught I. scapularis that had a 67% B. burgdorferi infection rate (determined by polymerase chain reaction). On Day 33, live ticks were counted and removed. No ticks were found on treated dogs while control dogs had an average of 21.4 ticks. To detect infection, the B. burgdorferi-specific C6 antibody SNAP(r) 4Dx(r) test (IDEXX) was performed on serum collected before infestation (all dogs seronegative on Days -6 and 27) and on Days 48, 63, 77 and 92. The ten treated dogs remained seronegative through the end of the study (Day 92), while nine out of the ten control dogs were infected, as demonstrated by their seroconversion to being positive for the presence of the B. burgdorferi-specific C6 antibody starting on Day 48. In this study, all dogs treated with NexGard(r) 28days prior to challenge with wild caught I. scapularis ticks were protected from B. burgdorferi infection, while nine out of the ten untreated control dogs were infected. PMID- 27865265 TI - Monitoring of West Nile virus, Usutu virus and Meaban virus in waterfowl used as decoys and wild raptors in southern Spain. AB - In the last decade, the number of emerging flaviviruses described worldwide has increased considerably, with wild birds acting as the main reservoir hosts of these viruses. We carried out an epidemiological survey to determine the seroprevalence of antigenically related flaviviruses, particularly West Nile virus (WNV), Usutu virus (USUV) and Meaban virus (MBV), in waterfowl used as decoys and wild raptors in Andalusia (southern Spain), the region considered to have the highest risk of flaviviruses circulation in Spain. The overall flaviviruses seroprevalence according to bELISA was 13.0% in both in decoys (n=1052) and wild raptors (n=123). Specific antibodies against WNV, USUV and MBV were confirmed by micro virus neutralization tests in 12, 38 and 4 of the seropositive decoys, respectively. This is the first study on WNV and USUV infections in decoys and the first report of MBV infections in waterfowl and raptors. Moreover we report the first description of WNV infections in short-toed snake eagle (Circaetus gallicus) and Montagu's harrier (Circus pygargus). The seropositivity obtained indicates widespread but not homogeneous distribution of WNV and USUV in Andalusia. The results also confirm endemic circulation of WNV, USUV and MBV in both decoys and wild raptors in southern Spain. Our results highlight the need to implement surveillance and control programs not only for WNV but also for other related flaviviruses. Further research is needed to determine the eco-epidemiological role that waterfowl and wild raptors play in the transmission of emerging flaviviruses, especially in decoys, given their close interactions with humans. PMID- 27865268 TI - Epitope mapping of Campylobacter jejuni flagellar capping protein (FliD) by chicken (Gallus gallus domesticus) sera. AB - Campylobacter jejuni, a Gram-negative rod, is a zoonotic pathogen associated with human acute bacterial gastroenteritis worldwide. The flagellum, composed of more than 35 proteins, is responsible for colonization of C. jejuni in the host gastrointestinal tract as well as inducing protective antibodies against the homologous serotype. In our previous study, we demonstrated that the flagellar capping protein (FliD) is an immunodominant protein that reacted strongly to sera from field chickens. In this communication, we mapped linear immunoreactive epitopes on FliD using a set of 158 synthetic peptides of 15-mer overlapping with 11 amino acid residues on peptide microarrays with sera from field chickens. The results from peptide microarrays showed (1) no cross-reactivity of the immobilized peptides with the secondary anti-chicken antibody in the control incubation, and (2) heterogeneous patterns of sera reacting to the immobilized peptides. The peptides that reacted to more than three chicken sera and had higher averages of fluorescence units were selected for further validation by the peptide ELISA. The results showed peptides 24, 91 and 92 had relatively high reactivity and less variation among 64 individual serum samples, indicating these peptides represented the shared immunodominant epitopes on the C. jejuni FliD protein. These peptides were also recognized by sera from chickens immunized with the purified recombinant FliD protein. The findings of the specific shared linear immunodominant epitopes on FliD in this study provide a rationale for further evaluation to determine their utility as epitope vaccines covering multiple serotypes for chicken immunization, and subsequently, for providing safer poultry products for human consumption. PMID- 27865269 TI - The immunopathogenesis of staphylococcal skin infections - A review. AB - Staphylococcus aureus and S. pseudintermedius are the major causes of bacterial skin disease in humans and dogs. These organisms can exist as commensals on the skin, but they can also cause severe or even devastating infections. The immune system has evolved mechanisms to deal with pathogenic microorganisms and has strategies to combat bacteria of this type. What emerges is a delicate "peace" between the opposing sides, but this balance can be disrupted leading to a full blown "war". In the ferocious battle that ensues, both sides attempt to get the upper hand, using strategies that are comparable to those used by modern day armies. In this review article, the complex interactions between the immune system and the organisms are described using such military analogies. The process is described in a sequential manner, starting with the invasion itself, and progressing to the eventual battlezone in which there are heavy casualties on both sides. By the end, the appearance of a simple pustule on the skin surface will take on a whole new meaning. PMID- 27865267 TI - Occurrence of Pseudocowpox virus associated to Bovine viral diarrhea virus-1, Brazilian Amazon. AB - In 2011, an outbreak of severe vesicular disease occurred in the state of Para, Amazon region. Besides proliferative or verrucous lesions, cattle showed atypical clinical signs such as diarrhea and leading to death. The animals were submitted to clinical, pathological and molecular diagnosis, and laboratory tests have confirmed the presence of Pseudocowpox virus (PCPV), a Parapoxvirus genus member, and have also found Bovine viral diarrhea virus-1 (BVDV-1), probably causing persistent infection. The results of molecular diagnostics, followed by sequencing data demonstrated the circulation of both viruses (PCPV and BVDV-1) in an area previously affected by another poxvirus, as Vaccinia virus.The cocirculation between PCPV and BVDV-1 indicates a major concern for animal health because the clinical presentation can be a severe disease. This is the first detection of PCPV in the Brazilian Amazon. PMID- 27865271 TI - Bacterial contamination of eggs and behaviour of poultry flocks in the free range environment. AB - The free range production system is becoming more common in Australia and is expected to increase. Free range hens are exposed to more stressors in comparison to hens from barn and cage systems and it is suggested that stress can increase bacterial shedding on eggs. The aims of this study were to examine the level of total bacteria and Enterobacteriaceae populations, as well as the presence of Salmonella and Campylobacter, in eggs collected from two free range flocks on two different farms and to conduct longitudinal observations of the behaviour and welfare of hens in the free range production system. Hen age (weeks) was shown to have a significant effect (increase) on the level of total bacteria on the egg shell surface and in shell pores, as well as having an effect on feather condition score. As the hens aged, the frequency of external visual egg characteristics increased, as did feather condition score (where feather condition was poorer). These observations indicate areas which should be investigated further to improve the food safety of eggs and optimise the welfare of free range hens. PMID- 27865270 TI - Serum apolipoprotein-A1 as a possible biomarker for monitoring treatment of canine leishmaniosis. AB - The aims of this study were: the identification of proteins differentially represented in the serum proteome of dogs with leishmaniosis after treatment and the verification of one selected protein as a possible biomarker for treatment monitoring. Serum samples from five dogs with leishmaniosis, before and after treatment were pooled into two groups and analysed using 2-dimensional electrophoresis followed by mass spectrometry analysis (MS). The MS analysis allowed the identification of 8 proteins differently expressed. APO-A1 was selected and an immunoturbidimetric assay was validated for its measurement in dogs. Significantly decreased concentrations of APO-A1 in dogs with leishmaniosis and a significant increase after a good response to the treatment were observed, suggesting that APO-A1 could be a potential biomarker of treatment monitoring with the advantages of an automated measurement. PMID- 27865273 TI - Genetics of Pancreatic Cancer and Its Implications on Therapy. AB - Over the past decade, emerging technologies have provided new insights into the genomic landscape of pancreatic ductal adenocarcinoma (PDA). In addition to the commonly recognized genetic drivers of pancreatic carcinogenesis (KRAS, CDKN2A, TP53, SMAD4), new genes and pathways have been implicated. However, these efforts have not identified any new high-frequency actionable mutations, limiting the success of mutation-targeted therapy in PDA. This article provides a report on the current landscape of pancreas cancer genetics and targeted therapeutics. PMID- 27865272 TI - Proline-arginine rich (PR-39) cathelicidin: Structure, expression and functional implication in intestinal health. AB - Proline-Arginine-39 (PR-39) is a small cationic, proline and arginine rich, cathelicidin that plays an important role in the porcine innate immune system. Although PR-39 was first discovered in intestinal cell lysates of pigs, subsequent research has indicated that it is primarily expressed in bone marrow and other lymphoid tissues including the thymus and spleen, as well as in leukocytes. Mature PR-39 cathelicidin has anti-microbial activity against many gram-negative and some gram-positive bacteria. PR-39 is also a bridge between the innate and adaptive immune system with recognized immunomodulatory, wound healing, anti-apoptotic, and pro-angiogenic functions. The purpose of this review is to summarize our current knowledge about the structure, expression, and functions of PR-39 and its potential to promote intestinal homeostasis. This understanding is relevant in the search of alternative therapeutics against diarrheic enterocolitis, a major problem faced by pork producers both in terms of costs and risk of zoonosis. PMID- 27865275 TI - Imaging Evaluation of Pancreatic Cancer. AB - Imaging studies are critical for the detection, characterization, initial staging, management, and monitoring of pancreatic cancer cases. Treatment of pancreatic cancer requires a multidisciplinary approach. Ideally, assessing resectablility with imaging and subsequent treatment decisions should be made at a high-volume center of excellence with a multidisciplinary team. This article reviews the major imaging modalities used to evaluate pancreatic neoplasms, with an emphasis on pancreatic imaging protocols. The imaging appearance of solid pancreatic neoplasms and the imaging criteria used to stage and determine resectability for pancreatic ductal adenocarcinoma are described. An approach to standardized radiologic reporting is also reviewed. PMID- 27865276 TI - Endoscopic Evaluation in the Workup of Pancreatic Cancer. AB - Early diagnosis and accurate staging of pancreatic cancer is very important to plan optimal management strategy. Endoscopy plays an important role in the diagnosis and management of pancreatic cancer. Endoscopic ultrasound imaging (EUS) is the most sensitive modality for diagnosis, especially for small pancreatic tumors; it also allows tissue acquisition for histological diagnosis. Computed tomography scanning and EUS play complementary roles in staging and are comparable in determining resectability. Endoscopic retrograde cholangiopancreatography allows tissue sampling but is limited to palliative biliary drainage in most cases. In this article, we review the role of endoscopy in the diagnosis and management of pancreatic adenocarcinoma, with special emphasis on the use of endoscopic ultrasound and endoscopic retrograde cholangiopancreatography (ERCP). PMID- 27865274 TI - Screening for Pancreatic Cancer. AB - Pancreatic cancer (PC) is a highly fatal disease that can only be cured by complete surgical resection. However, most patients with PC have unresectable disease at the time of diagnosis, highlighting the need to detect PC and its precursor lesions earlier in asymptomatic patients. Screening is not cost effective for population-based screening of PC. Individuals with genetic risk factors for PC based on family history or known PC-associated genetic syndromes, however, can be a potential target for PC screening programs. This article provides an overview of the epidemiology and genetic background of familial PC and discusses diagnostic and management approaches. PMID- 27865277 TI - Surgical Therapy for Pancreatic and Periampullary Cancer. AB - Surgery is the key component of treatment for pancreatic and periampullary cancers. Pancreatectomy is complex, and there are numerous perioperative and intraoperative factors that are important for achieving optimal outcomes. This article focuses specifically on key aspects of the surgical management of periampullary and pancreatic cancers. PMID- 27865278 TI - Adjuvant and Neoadjuvant Therapy for Resectable Pancreatic and Periampullary Cancer. AB - Pancreatic adenocarcinoma is a relatively uncommon malignancy associated with a high rate of cancer-related mortality despite best efforts to perform curative surgery. Adjuvant therapy in patients after surgical resection is associated with improved overall survival. Adjuvant treatment approaches may include either chemotherapy alone or a combination of chemotherapy and radiation therapy. Neoadjuvant approaches, also including either chemotherapy alone or a combination of chemotherapy and radiation therapy, are under investigation. Periampullary cancers constitute a rare and heterogeneous group of tumors that are typically treated as pancreatic cancers given their histologic similarities and tumor location. PMID- 27865279 TI - Enhanced Recovery Pathways in Pancreatic Surgery. AB - Enhanced recovery after surgery (ERAS) protocols were first introduced to help recovery after colorectal surgery. They have now been applied to multiple surgical specialties, including pancreatic surgery. ERAS protocols in pancreatic surgery have been shown to decrease length of stay and possibly postoperative morbidity. PMID- 27865280 TI - Postpancreatectomy Complications and Management. AB - Although mortality rates after pancreatectomy have decreased, the incidence of postoperative morbidity remains high. The major procedure-related complications are pancreatic fistula, delayed gastric emptying, and postpancreatectomy hemorrhage. The International Study Group of Pancreatic Surgery defined leading complications in a standardized fashion, allowing unbiased comparison of operative results and management strategies. Risk factors for postoperative complications have been investigated and quantitative scoring systems established to estimate patient-specific risks. Management of postpancreatectomy complications has shifted from an operative to a conservative approach. Nevertheless, postoperative morbidities may have a profound impact on patient recovery and length of hospital stay and are associated with increased hospital costs. PMID- 27865281 TI - Definition and Management of Borderline Resectable Pancreatic Cancer. AB - Patients with localized pancreatic ductal adenocarcinoma seek potentially curative treatment, but this group represents a spectrum of disease. Patients with borderline resectable primary tumors are a unique subset whose successful therapy requires a care team with expertise in medical care, imaging, surgery, medical oncology, and radiation oncology. This team must identify patients with borderline tumors then carefully prescribe and execute a combined treatment strategy with the highest possibility of cure. This article addresses the issues of clinical evaluation, imaging techniques, and criteria, as well as multidisciplinary treatment of patients with borderline resectable pancreatic ductal adenocarcinoma. PMID- 27865282 TI - Techniques of Vascular Resection and Reconstruction in Pancreatic Cancer. AB - Multimodality therapy has become the standard approach for the treatment of pancreatic cancer. With improved response rates to newer chemotherapeutic agents, tumors that used to be considered unresectable are now being considered for operation. Neoadjuvant therapy for borderline resectable pancreatic cancer is considered standard of care and venous resection/reconstruction is no longer controversial. Arterial resection and reconstruction in select patients has also proven to be safe when done in highly specialized centers by high-volume surgeons. This article reviews indications for, and technical aspects of, vascular resection/reconstruction and shunting procedures during pancreatectomy, including critical elements of perioperative care. PMID- 27865283 TI - Management of Locally Advanced Pancreatic Cancer. AB - The diagnosis for locally advanced pancreatic cancer is based on high-quality cross-sectional imaging, which shows tumor invasion into the celiac/superior mesenteric arteries and/or superior mesenteric/portal venous system that is not reconstructable. The optimal management of these patients is evolving quickly with the advent of newer chemotherapeutics, radiation, and nonthermal ablation modalities. This article presents the current status of initial chemotherapy, surgical therapy, ablative therapy, and radiation therapy for patients with nonmetastatic locally advanced unresectable pancreatic cancer. Surgical resection offers the best chance of long-term disease control and the only chance for cure for patients with nonmetastatic exocrine pancreatic cancer. PMID- 27865284 TI - Management of Metastatic Pancreatic Adenocarcinoma. AB - Pancreatic ductal adenocarcinoma (PDAC) is one of the most lethal and clinically challenging malignancies to treat, with an estimated 5-year survival rate of approximately 7%. At the time of initial presentation, a majority of patients have metastatic disease. The median overall survival in these patients with good performance status is 8.5 to 11.1 months and in patients with significantly impaired performance status, even less. Strategies to integrate novel agents with traditional cytotoxic therapies are under investigation and hold promise for improving outcomes in patients with metastatic PDAC. This article focuses on the current management options and novel therapeutics for metastatic PDAC. PMID- 27865286 TI - Intraductal Papillary Mucinous Neoplasm of the Pancreas. AB - The incidence of intraductal papillary mucinous neoplasms (IPMNs) of the pancreas has been rising in the past 2 decades, driven mainly by the widespread use of cross-sectional imaging. IPMNs are intraductal mucin-producing neoplasms that involve the main pancreatic duct or its side branches and lack the ovarian stroma typically seen in mucinous cystic neoplasms. The International Association of Pancreatology released consensus guidelines in 2006 and 2012 providing clinical algorithms based on IPMN features and risk of malignancy. In this article, we review the different classifications of IPMNs, their natural history, and clinical management and address recent controversies in the literature. PMID- 27865285 TI - Palliative Care for Pancreatic and Periampullary Cancer. AB - Most patients with pancreatic cancer will present with metastatic or locally advanced disease. Unfortunately, most patients with localized disease will experience recurrence even after multimodality therapy. As such, pancreatic cancer patients arrive at a common endpoint where decisions pertaining to palliative care come to the forefront. This article summarizes surgical, endoscopic, and other palliative techniques for relief of obstructive jaundice, relief of duodenal or gastric outlet obstruction, and relief of pain due to invasion of the celiac plexus. It also introduces the utility of the palliative care triangle in clarifying a patient's and family's goals to guide decision making. PMID- 27865287 TI - Surgical Management of Pancreatic Neuroendocrine Tumors. AB - Pancreatic neuroendocrine tumors (PNETs) are a rare, heterogeneous group of neoplasms infamous for their endocrinopathies. Up to 90% of PNETs, however, are nonfunctional and are frequently detected incidentally on axial imaging during the evaluation of vague abdominal symptoms. Surgery remains the mainstay of therapy for patients diagnosed with both functional and nonfunctional PNETs. However, the multifaceted nature of PNETs challenges treatment decision making. In general, resection is recommended for patients with acceptable perioperative risk and amenable lesions. PMID- 27865288 TI - Foreword. PMID- 27865289 TI - Preface. PMID- 27865290 TI - Pneumatic Dilation of the Lower Esophageal Sphincter Can Now Be Successfully Performed Without Morbidity. AB - BACKGROUND: Patients with dysphagia may be diagnosed with impaired lower esophageal sphincter (LES) relaxation and treated with pneumatic dilation (PD), stretching and tearing LES muscle fibers. Esophageal perforation has been reported to be as high as 10%. We conducted a retrospective study to evaluate the perforation rate of PD when used for impaired relaxation of the LES using current techniques. METHODS: A chart review was conducted to identify patients referred for esophageal manometry by high-resolution manometry and later received PD from January 2013 to April 2016. The diagnoses of achalasia, gastroesophageal junction outlet obstruction or hypertensive LES with accompanying impaired LES relaxation were based on the Chicago Classification III. Demographic data, clinical findings, treatment approaches and outcomes were explored. RESULTS: A total of 187 patients were referred for dysphagia and had esophageal manometry during this time frame. In all, 62 patients (34 female), mean age of 52 years, met the criteria for incomplete relaxation of the LES and underwent a total of 88 PD procedures. All initial PD procedures used the 30-mm diameter balloon, 18 subsequently required a 35-mm balloon and 8 went on to 40-mm balloon size. No perforations or other complications were documented by esophagogastroduodenoscopy, gastrografin testing immediately postdilation or by subsequent clinical outcome. CONCLUSIONS: PD by an experienced gastroenterologist using general anesthesia, fluoroscopic guidance, Rigiflex balloon equipment and a specific repetitive technique can be successfully performed without perforation. Hence, the already known therapeutic efficacy of PD can now be combined with the knowledge that there is essentially no accompanying perforation rate. PMID- 27865291 TI - Adiposity and Cardiovascular Risk Factor Variables in Childhood Are Associated With Premature Death From Coronary Heart Disease in Adults: The Bogalusa Heart Study. AB - BACKGROUND: More than 600 deaths of all causes have been documented over the 40 year duration of the Bogalusa Heart Study. Of these, 97 deaths have been related to cardiovascular events, based on obituaries published in local newspapers, death certificates obtained from the State Health Department, information from the coroner and word of mouth by nursing staff from the community. METHODS: This study was a retrospective longitudinal cohort with several observations of each subject. It consisted of 6 cross-sectional surveys of children aged 5-7 years, conducted between 1973 and 1988, and 4 cross-sectional surveys of previously examined subjects as young adults extending into middle age, conducted between 1988 and 2010. RESULTS: Excluding pulmonary, congenital and noncoronary cardiovascular diseases, 46 deaths (average age at death = 44.7 years, range: 31 55) were considered to have been related to coronary artery disease, that is, myocardial infarction. Cardiovascular risk factor observations, gathered from multiple surveys (average of 4.4 surveys, range: 1-14) since childhood, indicated that body fatness and elevated blood pressure beginning in childhood were more common in subjects who later died of coronary artery disease than in living subjects. CONCLUSIONS: The present findings emphasize that sub-clinical cardiovascular disease begins early in life and that early prevention is vital. PMID- 27865292 TI - Katrina's Legacy: Processes for Patient Disaster Preparation Have Improved but Important Gaps Remain. AB - BACKGROUND: Ensuring continuity of care for patients with chronic illness, who are elderly or indigent presents unique challenges after disasters; this population has fewer financial resources, is less likely to evacuate, has limited access to recovery resources and is significantly dependent on charitable and government-funded institutions for care. This study expands a previous investigation of the extent to which healthcare providers in coastal Mississippi and Alabama have made changes to facilitate continued care to these populations after disasters. METHODS: Key informants representing healthcare and social services organizations serving health-disparate residents of the Mississippi and Alabama Gulf Coast were interviewed regarding disaster preparation planning for the period of 2009-2012. Interview transcripts were qualitatively coded and analyzed for emerging themes using ATLAS.ti software. RESULTS: Participant organizations have implemented changes to ensure continuity of care for patients with chronic illness in case of disasters. Changes include patient assistance with predisaster preparation and training; evacuation planning and assistance; support to find resources in evacuation destinations; equipping patients with prescription information, diagnoses, treatment plans and advance medications when a disaster is imminent; multiple methods for patients to communicate with providers and more mandated medical needs shelters. Patients whose chronic conditions were diagnosed post-Katrina are more likely to underestimate the need to prepare. Further, patients' lack of compliance tends to increase as time passes from disasters. CONCLUSIONS: Although changes were implemented, results indicate that these may be inadequate to completely address patient needs. Thus, additional efforts may be needed, underscoring the complexity of adequate disaster preparation among disparate populations. PMID- 27865293 TI - Septal Ablation for Hypertrophic Obstructive Cardiomyopathy: Transcoronary and Endocardial Approach. AB - Septal reduction therapy is the gold standard treatment method for symptomatic, hypertrophic obstructive cardiomyopathy. Although surgical myectomy is a well established and effective technique with decades of experience in its application, use of transcoronary alcohol septal ablation has increased precipitously owing to the less-invasive nature of the procedure. Moreover, endocardial septal ablation therapy is a relatively newly defined modality, and outcomes of the procedure are not clearly elucidated yet. In this review, we aimed to present nonsurgical septal reduction approaches in patients with hypertrophic obstructive cardiomyopathy. PMID- 27865294 TI - Overuse and Misperceptions of Nonsteroidal Anti-inflammatory Drugs in the United States. AB - BACKGROUND: Nonsteroidal anti-inflammatory drugs (NSAIDs) are some of the most commonly used medications worldwide. The availability of hundreds of products containing an NSAID, combined with a lack of recognition and understanding of NSAIDs, can increase the potential of consumers to inadvertently exceed the recommended NSAID dosage, which can cause potentially serious side effects. Physician and consumer education regarding the appropriate use of NSAIDs can help prevent NSAID misuse. Evaluations of current consumer patterns of NSAID use and perceptions about NSAIDs are necessary to develop targeted educational programs. MATERIALS AND METHODS: An online and telephone survey of 1,750 U.S. adults was conducted to obtain information about the patterns of use and perceptions about prescription and over-the-counter NSAIDs and medicines. The survey was compared to similar surveys conducted in 1997, 2001 and 2002. RESULTS: NSAIDs are widely used, with 63% of respondents reporting use within the past 12 months. NSAIDs were not well recognized by generic or brand names and many respondents were unaware or unconcerned about potential side effects. NSAID misuse was common, with 19% using more than the recommended dose and 24% using multiple NSAIDs concomitantly. NSAID use appears to have increased since 2002 but the level of NSAID awareness and pattern of NSAID misuse has not changed. CONCLUSIONS: NSAIDs are widely used and often used in a manner that increases the risk of serious side effects. Sufficient knowledge and understanding of NSAIDs is lacking and educational interventions directed to consumers and physicians are needed. PMID- 27865295 TI - Serum Pepsinogen Levels Are Correlated With Age, Sex and the Level of Helicobacter pylori Infection in Healthy Individuals. AB - BACKGROUND: To explore the relationship between age, sex, the level of Helicobacter pylori (HP) infection and serum pepsinogen (PG) in healthy people undergoing a medical examination. METHODS: A total of 6,596 "healthy" individuals undergoing a medical examination were selected as subjects in this study. The concentrations of serum pepsinogen I (PGI) and serum pepsinogen II (PGII) were tested for each of the subjects using time-resolved fluorescence immunoassay characterized with high sensitivity and wide measuring range. The infection ratio and level of HP were tested using a 13C-urea breath test to analyze the relationship between age, sex, HP infection, and serum PGs. RESULTS: The PGI, PGII and PGI-to-PGII ratio (x-+/-S) were higher in males than in females. The serum PGI and PGII levels gradually increased with age. HP infection rate was 48.83%, and the serum PGI, PGII and PGI-to-PGII ratio (x-+/-S) were 187.05 +/- 73.50ug/L, 18.09 +/- 8.68ug/L and 11.67 +/- 5.44, respectively in the HP-positive group and 150.39 +/- 67.04ug/L, 11.50 +/- 7.45ug/L and 15.67 +/- 8.19, respectively in the HP-negative group. There was significant difference in the detection rate of an abnormal PG between the 2 groups as with the worsening of HP infection, 13C-urea breath test and serum PGI and PGII levels increased, but the PGI-to-PGII ratio decreased significantly. CONCLUSIONS: Serum PGI and PGII levels were correlated with age, sex and the level of HP infection. Therefore, the influencing factors of age, sex and the level of HP infection should be considered when screening stomach diseases using PG. PMID- 27865296 TI - Cardiovascular Disease Risk Associated With the Long-term Use of Depot Medroxyprogesterone Acetate. AB - BACKGROUND: Depot medroxyprogesterone acetate (DMPA) contraception is widely used all over the world; however, it may lead to a decrease in high-density lipoproteins and an increase in low-density lipoproteins (LDL) and triglycerides. These changes in lipid profile have a direct effect on cardiovascular disease risk. This study has been conducted to investigate the relationship between DMPA use and lipid profile, and the effect of worsening of lipid profile on fasting blood glucose. The objective of the present study is to ascertain the effects of DMPA on lipid profiles and Castelli indices, and to estimate the risk of cardiovascular disease in the women using progesterone-only methods for contraception. METHODS: This was a multicenter case-control study including females of reproductive age. A total of 893 women were selected according to inclusion and exclusion criteria described below with the age range of 19-49 years. Among these, 477 were females who were beginning DMPA for contraception whereas 416 were the matched controls of same age and socioeconomic status. The lipid profiles, Castelli indices and fasting blood sugar were evaluated before initiation of DMPA and thereafter at 3, 6, 9 and 12 months. Controls were also analyzed for the same parameters in the same manner as that of treated group. The results were analyzed by repeated measure analysis of variance followed by Tukey's post hoc test for the multiple comparisons. RESULTS: The results showed statistically significant differences in all parameters of lipid profile, namely cholesterol (180.7 +/- 38.8 versus 133.03 +/- 14.8mg/dL, and P = 0.000), LDL (120.04 +/- 36.2 versus 94.27 +/- 19.6mg/dL, and P = 0.000), very low-density lipoprotein cholesterol (24.6 +/- 10.0 versus 20.99 +/- 8.66mg/dL, and P = 0.000), high-density lipoprotein (39.67 +/- 3.6 versus 44.13 +/- 4.22mg/dL, and P = 0.000), total cholesterol (713.05 +/- 110.2 versus 569.19 +/- 80.4mg/dL, and P = 0.000), triglycerides (126.33 +/- 48.8 versus 99.03 +/- 30.6mg/dL, and P = 0.000), Castelli index I (4.61 +/- 1.2 versus 3.02 +/- 0.31, and P = 0.000) and Castelli index II (3.08 +/- 1.07 versus 2.13 +/- 0.41, and P = 0.000) between treated and control groups, respectively. Serum glucose levels were significantly higher (P <= 0.001) among the cases of DMPA (84.6394 +/- 7.425mg/dL) compared with that in the control (77.822 +/- 7.733mg/dL). CONCLUSIONS: This study clearly revealed that there is an increase in all deleterious lipid parameters and a decrease in favorable lipid measures. Hence, it can be concluded that continued use of DMPA may predispose females to the risk of cardiovascular disease in the long run. PMID- 27865297 TI - Cancer Screening 2016. AB - The primary goal of cancer screening is to reduce cancer-related mortality without incurring significant harm. Screening efforts for solid tumors, therefore, have targeted the precursors of the most common and the most deadly cancers-breast, cervical, colorectal, lung and prostate cancer. Balancing risk and benefit has led to controversy regarding the timing of cancer screening-when to begin, how often to screen and when to stop-and the nature of the modality of cancer screening-invasive or noninvasive, laboratory-centered or imaging centered. Evidence-based guidelines published by general medical societies, subspecialty societies and publicly funded task forces on population-based screening aid healthcare providers in making individualized decisions with their patients. PMID- 27865298 TI - The Value of Thromboelastography for Bleeding Risk Prediction in Hematologic Diseases. AB - BACKGROUND: This study aimed to explore the correlations between thromboelastography (TEG) parameters with platelet (PLT) count and fibrinogen and to evaluate the value of the maximal amplitude (MA) for bleeding risk prediction. METHODS: A total of 1,559 patients with hematologic diseases underwent PLT counting and TEG tests, and 1,201 of these patients underwent conventional coagulation tests. Patients were divided into a bleeding group and a nonbleeding group according to their clinical records. RESULTS: Patients in the bleeding group had lower PLT counts, alpha-angle values, MA values and higher K values (all P < 0.05) than patients in the nonbleeding group. Low PLT counts (<=30 * 109/L) were found in 265 patients and bleeding episodes occurred in 109 patients (41.13%). A total of 99 patients had both low MA values and bleeding episodes in this subgroup. A total of 124 of the 265 patients (46.79%) had hematological malignancies. In the 2 different types of diseases, there was a similar tendency in bleeding risk prediction according to the receiver operating characteristic curves. The curves using both the PLT counts and MA values show a higher sensitivity and a slightly lower specificity than those of the PLT count or MA alone. CONCLUSIONS: There are some correlations between the TEG parameters and the traditional hemostatic parameters. The combination of the PLT counts and MA values had greater predictive value for bleeding risk in hematological diseases when the PLT counts were at a low level (<=30 * 109/L). PMID- 27865301 TI - Resveratrol Inhibited Non-small Cell Lung Cancer Through Inhibiting STAT-3 Signaling. AB - BACKGROUND: Resveratrol has demonstrated many beneficial effects against cancers; however, the mechanism remains unclear. Non-small cell lung cancer accounts for 80% of lung cancers. The present study was designed to observe the effects and related mechanisms of resveratrol on non-small cell lung cancer in in vitro A549 cells. MATERIALS AND METHODS: The anticancer effects of resveratrol were analyzed on cell viability, migration and invasion, proliferation and apoptosis. Cell viability was determined by sulphorhodamine B assays. Cell proliferation and apoptosis were determined by flow cytometry and migration and invasion by transwell chamber analysis. Expression of STAT-3 was examined by real-time polymerase chain reaction and western blot. Overexpressing vector of STAT-3 was also constructed and transfected into A549 cells to observe the effects of resveratrol on STAT-3 signaling. RESULTS: The results showed that resveratrol displayed a dose-dependent and time-dependent cytotoxicity action on A549 cell viability. Resveratrol also inhibited proliferation, migration and invasion and promoted apoptosis in a time-dependent manner from 0-72 hours. Further study showed that resveratrol inhibited the messenger RNA and protein expression of STAT-3, and overexpressed STAT-3 abolished the effects of resveratrol on proliferation, apoptosis, migration and invasion totally or in part. CONCLUSIONS: These results suggest that the anticancer effects of resveratrol are mediated by STAT-3 signaling. PMID- 27865302 TI - Improving Resident Teaching Through Clinical Case Conference Presentations in Japan. PMID- 27865303 TI - A Tear in the Heart: Myocardial Laceration Following Left Ventriculogram With a Dedicated Radial Catheter. PMID- 27865304 TI - Brain Natriuretic Peptide Counteracting the Renin-angiotensin-aldosterone System in Accelerated Malignant Hypertension. AB - We describe 2 patients, a 52-year-old woman and a 57-year-old man, with rapidly progressive hypertension and marked elevation of brain natriuretic peptide who exhibited polyuria, natriuresis, hypokalemia, posterior reversible encephalopathy syndrome and left ventricular dysfunction together with retinopathy and nephropathy, which were attenuated in a short time span of 1-2 months with normalization of blood pressure after the antihypertensive treatment. The possible role of brain natriuretic peptide in the pathophysiology of accelerated malignant hypertension was discussed and a review of the literature was completed. PMID- 27865300 TI - Effect of Dapagliflozin Treatment on Fluid and Electrolyte Balance in Diabetic Rats. AB - AIM: This study evaluates the effect of dapagliflozin, a SGLT2 inhibitor, on fluid or electrolyte balance and its effect on urea transporter-A1 (UT-A1), aquaporin-2 (AQP2) and Na-K-2Cl cotransporter (NKCC2) protein abundance in diabetic rats. METHODS: Diabetes mellitus (DM) was induced by injection of streptozotocin into the tail vein. Serum Na+, K+, Cl- concentration, urine Na+, K+, Cl- excretion, blood glucose, urine glucose excretion, urine volume, urine osmolality and urine urea excretion were analyzed after the administration of dapagliflozin. UT-A1, AQP2 and NKCC2 proteins were detected by western blot. RESULTS: Dapagliflozin treatment decreased blood glucose concentration by 38% at day 7 and by 47% at day 14 and increased the urinary glucose excretion rate compared with the untreated diabetic animals. Increased 24-hour urine volume, decreased urine osmolality and hyponatremia, hypokalemia and hypochloremia observed in diabetic rats were attenuated by dapagliflozin treatment. Western blot analysis showed that UT-A1, AQP2 and NKCC2 proteins are upregulated in DM rats over control rats; dapagliflozin treatment results in a further increase in inner medulla tip UT-A1 protein abundance by 42% at day 7 and by 46% at day 14, but it did not affect the DM-induced upregulation of AQP2 and NKCC2 proteins. CONCLUSION: Dapagliflozin treatment augmented the compensatory changes in medullary transport proteins in DM. These changes would tend to conserve solute and water even with persistent glycosuria. Therefore, diabetic rats treated with dapagliflozin have a mild osmotic diuresis compared to nondiabetic animals, but this does not result in an electrolyte disorder or significant volume depletion. PMID- 27865299 TI - Targeting the Mammalian Target of Rapamycin in Lung Cancer. AB - Lung cancer is the leading cause of cancer death worldwide. Despite advances in its prevention and management, the prognosis of patients with lung cancer remains poor. Therefore, much attention is being given to factors that contribute to the development of this disease, the mechanisms that drive oncogenesis and tumor progression and the search for novel targets that could lead to the development of more effective treatments. One cellular pathway implicated in lung cancer development and progression is that of the mammalian target of rapamycin. Studies involving human tissues have linked lung cancer with abnormalities in this pathway. Furthermore, studies in vitro and in vivo using animal models of lung cancer reveal that targeting this pathway might represent an effective means of treating this disease. As a result, there is significant effort invested in the development of drugs targeting mammalian target of rapamycin and related pathways in the clinical setting. PMID- 27865305 TI - Persistent Pruritic Lesions in Adult-onset Still's Disease. PMID- 27865306 TI - Nocardia Bacteremia and Endocarditis in a Patient With a Sulfa Allergy. PMID- 27865307 TI - Erratum to "Blood Volume Measurement as a Tool in Diagnosing Syncope" [Am J Med Sci 334 (2007) 53-56]. PMID- 27865308 TI - Chronic Suppurative Otitis Media Complicated With Mastoiditis: An Unusual Presentation of Tuberculosis. PMID- 27865309 TI - Erdheim-Chester Disease Presenting With Intractable Exophthalmos and Bone Lesions. PMID- 27865310 TI - The Diabetic Charcot Foot from 1936 to 2016: Eighty Years Later and Still Growing. AB - Knowledge of diabetic Charcot neuroarthropathy (DCN) has grown tremendously since this condition was first described in 1936 by William Riely Jordan. Despite advancements in diagnostic approaches and treatment options making DCN limb salvage a more viable option, ongoing and additional research is needed to determine the definitive pathogenesis, which may aid in prevention of the condition. This article chronicles the main developments for the study and management of DCN since 1936 and recommends using the term diabetic Charcot Jordan foot when specifically managing foot and ankle neuroarthropathy joints in patients with diabetic neuropathy. PMID- 27865311 TI - Conservative and Pharmacologic Treatments for the Diabetic Charcot Foot. AB - Charcot neuroarthropathy is a disabling complication of diabetic neuropathy. Prolonged immobilization in a total contact cast (TCC) is among the main treatments. Education of health care professionals in the application of TCC together with well-conducted clinical trials are required to overcome its frequent underuse. There are no established pharmacologic therapies to treat this condition; however, there is an overwhelming need for a new therapeutic approach. Novel targeted drug delivery systems are required to prevent the pathologic bone and joint destruction of the Charcot neuroarthropathy and this may lead to an improved outcome in diabetic patients with this condition. PMID- 27865312 TI - An Overview of Internal and External Fixation Methods for the Diabetic Charcot Foot and Ankle. AB - Diabetic Charcot neuroarthropathy (DCN) of the foot and ankle is a challenging disease with regard to clinical presentation, pathogenesis, and prognosis. Its surgical management is equally difficult to interpret based on the wide array of options available. In the presence of an ulceration or concomitant osteomyelitis, internal fixation by means of screws, plates, or intramedullary nailing needs to be avoided when feasible. External fixation becomes a great surgical tool when managing DCN with concomitant osteomyelitis. This article describes internal and external fixation methods along with available literature to enlighten surgeons faced with treating this complex condition. PMID- 27865313 TI - Surgical Equinus Correction for the Diabetic Charcot Foot: What the Evidence Reveals. AB - Triceps surae contracture, or equinus, is a known deforming force in the foot and ankle. Biomechanical studies have shown that ankle equinus significantly alters gait and plantar pressures, and in the diabetic neuropathic patient population, this can propagate plantar ulceration and/or Charcot neuroarthropathy (CN). Surgical correction of equinus is globally and frequently used to aid in plantar wound healing in the neuropathic diabetic patient, with and without CN. Treatment guidelines for equinus correction in this medically complex population are undefined and lack evidence from high-quality published peer-reviewed studies. PMID- 27865314 TI - Surgical Treatment Options for the Diabetic Charcot Midfoot Deformity. AB - Management of diabetic Charcot midfoot deformity is one of the most demanding aspects of foot and ankle surgery. Its treatment should aim at reducing the rate of complications, including foot and ankle amputations or limb loss. Attempting reconstruction at Eichenholtz stages I and II carries the risk of infection and loss of fixation. It is advisable to limit surgical reconstruction to Eichenholtz stage III in the absence of any evidence of infection or vascular insufficiency. Achilles lengthening or gastrocnemius-soleus release is an essential initial step in surgery. Addressing the medial foot column first is a key to a successful reconstruction. PMID- 27865315 TI - Surgical Treatment Options for the Diabetic Charcot Hindfoot and Ankle Deformity. AB - Charcot neuroarthropathy is associated with progressive, noninfectious, osteolysis-induced bone and joint destruction. When the ankle and/or hindfoot is affected by the destruction process, management is further complicated with collapse and destruction of the talar body, which increases instability around the ankle. In this patient population, arthrodesis is the most commonly used surgical procedure. Internal fixation, external fixation, or a combination of both can be used for the treatment. Decision making between them should be individualized according to the patient characteristics. PMID- 27865316 TI - Soft Tissue Reconstruction Pyramid for the Diabetic Charcot Foot. AB - Foot and ankle ulcerations in patients with diabetic Charcot neuroarthropathy (DCN) occur frequently and can be challenging to address surgically when conservative care fails. Patients with acute or chronic diabetic foot ulcers (DFU) are at continued risk for development of osteomyelitis, septic arthritis, gas gangrene, and potential lower extremity amputation. Concurrent vasculopathy and peripheral neuropathy as well as uncontrolled medical comorbidities complicate the treatment approach. In addition, pathomechanical forces left untreated may contribute to DFU recurrence in this patient population. This article outlines in detail the stepwise approach and options available for durable soft tissue coverage in the DCN patient. PMID- 27865317 TI - Revisional Surgery of the Diabetic Charcot Foot and Ankle. AB - Charcot neuroarthropathy (CN) is a difficult problem for the foot and ankle surgeon. If surgery is required, little is known or available regarding the best methods and timing. When the initial attempt of reconstruction fails, revision of CN is even more demanding. One must take in to account all aspects, including nutrition, vascular status, infection control, short- and long-term blood glucose management, as well as other factors requiring laboratory monitoring and consult services. Once optimized, the biomechanics of the deformity can be addressed and decisions can be made on fixation devices. PMID- 27865318 TI - Medical Imaging in Differentiating the Diabetic Charcot Foot from Osteomyelitis. AB - Diabetic Charcot neuroarthropathy (DCN) poses a great challenge to diagnose in the early stages and when plain radiographs do not depict any initial signs of osseous fragmentation or dislocation in a setting of a high clinical index of suspicion. Medical imaging, including magnetic resonance imaging, computed tomography, and advanced bone scintigraphy, has its own unique clinical indications when treating the DCN with or without concomitant osteomyelitis. This article reviews different clinical case scenarios for choosing the most accurate medical imaging in differentiating DCN from osteomyelitis. PMID- 27865319 TI - Circular External Fixation as a Primary or Adjunctive Therapy for the Podoplastic Approach of the Diabetic Charcot Foot. AB - Numerous techniques have been described for surgical management of the diabetic Charcot foot. External fixation has become a main surgical tool for the reconstructive foot and ankle surgeon when dealing with the ulcerated diabetic Charcot foot. In the presence of an open wound and/or osteomyelitis, staged reconstruction with circular external fixation becomes ideal for salvage of the diabetic lower extremity. Also, circular external fixation can provide simultaneous compression and stabilization, correct the underlying osseous or soft tissue deformities, and surgically offload the diabetic Charcot foot. This article describes a variety of circular external fixation applications for the diabetic Charcot foot. PMID- 27865320 TI - The Diabetic Charcot Foot and Ankle: A Multidisciplinary Team Approach. PMID- 27865321 TI - Chest Tubes: Generalities. AB - Insertion, management, and withdrawal of chest tubes is part of the routine activity of thoracic surgeons. The selection of the chest tube and the strategy for each of these steps is usually built on knowledge, practice, experience, and judgment. The indication to insert a chest tube into the pleural cavity is the presence of air or fluid within it. Various types and sizes of chest tubes are now commercially available. PMID- 27865322 TI - Thoracic Trauma: Which Chest Tube When and Where? AB - Clinical suspicion of hemo/pneumothorax: when in doubt, drain the chest. Stable chest trauma with hemo/pneumothorax: drain and wait. Unstable patient with dislocated trachea must be approached with drain in hand and scalpel ready. Massive hemo/pneumothorax may be controlled by drainage alone. The surgeon should not hesitate to open the chest if too much blood drains over a short period. The chest drainage procedure does not end with the last stitch; the second half of the match is still ahead. The drained patient is in need of physiotherapy and proper pain relief with an extended pleural space: control the suction system. PMID- 27865323 TI - Chest Tube Management after Surgery for Pneumothorax. AB - There is scant evidence on the management of chest tubes after surgery for pneumothorax. Most of the current knowledge is extrapolated from studies performed on subjects with lung cancer. This article reviews the existing literature with particular focus on the effect of suction and no suction on the duration of air leak after lung resection and surgery for pneumothorax. Moreover, the role of regulated suction, which seems to provide some benefit in reducing pneumothorax recurrence after bullectomy and pleurodesis, is discussed. Finally, a personal view on the management of chest tubes after surgery for pneumothorax is provided. PMID- 27865324 TI - Modern Techniques to Insert Chest Drains. AB - Both physicians and surgeons insert chest drains by various techniques-including Seldinger and "wide-bore" methods. The indications include hemothorax, pneumothorax, pleural effusion, and postoperative care in thoracic surgery. Given their invasive nature, there is significant potential for complications; however, this can be minimized by following a meticulous technique, which is herein described for both Seldinger and "wide-bore" drain insertion. PMID- 27865325 TI - Suction or Nonsuction: How to Manage a Chest Tube After Pulmonary Resection. AB - Despite several randomized trials and meta-analyses, the dilemma as to whether to apply suction after subtotal pulmonary resection has not been solved. The combination of a poorly understood pathophysiology of the air leak phenomenon and the inadequate quality of the published randomized trials is actually preventing thoracic surgeons from abandoning an empirical management of chest drains. Even digital systems do not seem to have made the difference so far. Based on the evidence of the literature, the authors propose a new air leak predictor score (ALPS) as a contributing step toward appropriateness in using intraoperative sealants, opting for an external suction and managing and chest tubes. PMID- 27865326 TI - When to Remove a Chest Tube. AB - Despite the increasing knowledge about the pleural physiology after lung resection, most practices around chest tube removal are dictated by personal preferences and experience. This article discusses recently published data on the topic and suggests opportunities for further investigation and future improvements. PMID- 27865327 TI - Indwelling Pleural Catheters: A Clinical Option in Trapped Lung. AB - Malignant pleural effusion (MPE) symptoms have a real impact on quality of life. Surgical approach through video-assisted thoracic surgery provides a first step in palliation. In patients unfit for general anesthesia, awake pleuroscopy represents an alternative. Sclerosing agents can be administered at the bedside through a chest tube. Ideal treatment of MPE should include adequate long-term symptom relief, minimize hospitalization, and reduce adverse effects. Indwelling pleural catheter (IPC) allows outpatient management of MPE through periodic ambulatory fluid drainage. IPC offers advantages over pleurodesis in patients with poor functional status who cannot tolerate pleurodesis or in patients with trapped lungs. PMID- 27865329 TI - Management of Chest Drains After Thoracic Resections. AB - Immediately after lung resection, air tends to collect in the retrosternal part of the chest wall (in supine position), and fluids in its lower part (costodiaphragmatic sinus). Several general thoracic surgery textbooks currently recommend the placement of 2 chest tubes after major pulmonary resections, one anteriorly, to remove air, and another into the posterior and basilar region, to drain fluids. Recently, several authors advocated the placement of a single chest tube. In terms of air and fluid drainage, this technique demonstrated to be as effective as the conventional one after wedge resection or uncomplicated lobectomy. PMID- 27865328 TI - Errors and Complications in Chest Tube Placement. AB - Chest drain placement is one of the most common surgical procedures performed in routine clinical practice. Despite the many benefits, chest tube insertion is not always a harmless procedure, and potential significant morbidity and mortality may exist. The aim of this article was to highlight the correct chest tube placement procedure and to focus on errors and clinical complications following its incorrect insertion into the chest. PMID- 27865330 TI - Chest Drainage Management: Where Are We Now? PMID- 27865331 TI - Lesbian, Gay, Bisexual, and Transgender Youth and Family Acceptance. AB - In this article, we address theories of attachment and parental acceptance and rejection, and their implications for lesbian, gay, bisexual, and transgender (LGBT) youths' identity and health. We also provide 2 clinical cases to illustrate the process of family acceptance of a transgender youth and a gender nonconforming youth who was neither a sexual minority nor transgender. Clinical implications of family acceptance and rejection of LGBT youth are discussed. PMID- 27865333 TI - Substance Abuse Prevention, Assessment, and Treatment for Lesbian, Gay, Bisexual, and Transgender Youth. AB - Knowing how to manage substance abuse in all youth is an important aspect of pediatric care, including providing clinically appropriate anticipatory guidance, monitoring, assessment, and treatment. Although most lesbian, gay, bisexual, and transgender (LGBT) youth do not abuse substances, as a group they experience unique challenges in self-identity development that put them at an increased risk for substance abuse. This article addresses prevention and management of substance use in LGBT youth relevant to pediatrics and allied professions as an aspect of their overall health care. It reviews basic information about substance abuse in youth and special considerations for LGBT youth. PMID- 27865332 TI - Human Immunodeficiency Virus, Other Sexually Transmitted Infections, and Sexual and Reproductive Health in Lesbian, Gay, Bisexual, Transgender Youth. AB - Lesbian, gay, bisexual, transgender (LGBT), and questioning youth represent a diverse population who are affected by many sexual health inequities, including increased risk for human immunodeficiency virus (HIV) and sexually transmitted infections (STIs). To provide comprehensive sexual health care for LGBT youth, providers should set the stage with a nonjudgmental, respectful tone. Providers should be competent in recognizing symptoms of STIs and HIV and aware of the most up-to-date screening guidelines for LGBT youth. Sexual health visits should also focus on prevention, including safer sex practices, HIV pre-exposure and post exposure prophylaxis, family planning, and immunization for hepatitis and human papillomavirus. PMID- 27865334 TI - Body Image and Eating Disorders Among Lesbian, Gay, Bisexual, and Transgender Youth. AB - Adolescence is a crucial period for emerging sexual orientation and gender identity and also body image disturbance and disordered eating. Body image distortion and disordered eating are important pediatric problems affecting individuals along the sexual orientation and gender identity spectrum. Lesbian, gay, bisexual, transgender (LGBT) youth are at risk for eating disorders and body dissatisfaction. Disordered eating in LGBT and gender variant youth may be associated with poorer quality of life and mental health outcomes. Pediatricians should know that these problems occur more frequently in LGBT youth. There is evidence that newer treatment paradigms involving family support are more effective than individual models of care. PMID- 27865336 TI - Lesbian, Gay, Bisexual, and Transgender Families. AB - Families headed by sexual minorities encounter unique barriers to care and health equity despite greater cultural acceptance and visibility. Empirical research suggests that children in lesbian, gay, bisexual, and transgender (LGBT) families develop and function comparably to those from traditional families. In helping families, awareness of family structure is important. The health care provider should be familiar with family composition, and their community, social supports, race/ethnic concerns, financial issues, and other vulnerabilities. Cultivating an office culture and practice that supports all patients to comfortably discuss their family history, interpersonal experiences, needs, and vulnerabilities is essential for excellence in clinical care. PMID- 27865335 TI - The Intersection of Sociocultural Factors and Health-Related Behavior in Lesbian, Gay, Bisexual, and Transgender Youth: Experiences Among Young Black Gay Males as an Example. AB - Intersectionality suggests that multiple social identities intersect at the individual or micro level of experience and reflects larger social structural inequities experienced on the macro level. This article uses intersectionality to describe how multiple stigmatized social identities can create unique challenges for young black gay and bisexual men (YBGBM). YBGBM exist at the intersection of multiple stigmatized identities compared with their majority peers. This article examines key intersecting identities and cultural expectations that exist in YBGBM and how those factors may predispose young men to adverse health outcomes and health inequality. PMID- 27865337 TI - What the Primary Care Pediatrician Needs to Know About Gender Incongruence and Gender Dysphoria in Children and Adolescents. AB - The recognition and acknowledgment that gender identity and birth-assigned sex may be incongruent in children and adolescents have evolved in recent decades. Transgender care for children and adolescents has developed and is now more widely available. Controversies exist, however, around clinical management of gender dysphoria and gender incongruence in children and adolescents. Clinical guidelines are consensus based and research evidence is limited. Puberty suppression as part of clinical management has become a valuable element of adolescent transgender care, but long-term evidence of success is limited. These uncertainties should be weighed against the risk of harming a transgender adolescent when medical intervention is denied. PMID- 27865339 TI - Development and Mental Health of Lesbian, Gay, Bisexual, or Transgender Youth in Pediatric Practice. AB - Assessing, monitoring, and supporting children and adolescents' mental health are integral parts of comprehensive pediatric primary care. These are especially relevant for LGBT youth, who frequently experience unique stressors, often including having an identity different from family and peer expectations, whether to reveal it, and stigma like peer bullying, family rejection, social intolerance, and self nonacceptance. Pediatricians should know key mental health practice principles for LGBT youth, how to adapt these to various pediatric settings, the continuum of mental health interventions, and their local resources. Practice principles in pediatric care for LGBT youth and examples of their implementation are discussed. PMID- 27865340 TI - Stigma and Minority Stress as Social Determinants of Health Among Lesbian, Gay, Bisexual, and Transgender Youth: Research Evidence and Clinical Implications. AB - In this article, we review theory and evidence on stigma and minority stress as social/structural determinants of health among lesbian, gay, bisexual, and transgender (LGBT) youth. We discuss different forms of stigma at individual (eg, identity concealment), interpersonal (eg, victimization), and structural (eg, laws and social norms) levels, as well as the mechanisms linking stigma to adverse health outcomes among LGBT youth. Finally, we discuss clinical (eg, cognitive behavioral therapy) and public health (eg, antibullying policies) interventions that effectively target stigma-inducing mechanisms to improve the health of LGBT youth. PMID- 27865338 TI - Caring for Lesbian, Gay, Bisexual, Transgender, and Questioning Youth in Inclusive and Affirmative Environments. AB - Lesbian, gay, bisexual, transgender, queer and questioning (LGBTQ) youth may experience interpersonal and structural stigma within the health care environment. This article begins by reviewing special considerations for the care of LGBTQ youth, then turns to systems-level principles underlying inclusive and affirming care. It then examines specific strategies that individual providers can use to provide more patient-centered care, and concludes with a discussion of how clinics and health systems can tailor clinical services to the needs of LGBTQ youth. PMID- 27865341 TI - Bullying Among Lesbian, Gay, Bisexual, and Transgender Youth. AB - Bullying of lesbian, gay, bisexual, and transgender (LGBT) youth is prevalent in the United States, and represents LGBT stigma when tied to sexual orientation and/or gender identity or expression. LGBT youth commonly report verbal, relational, and physical bullying, and damage to property. Bullying undermines the well-being of LGBT youth, with implications for risky health behaviors, poor mental health, and poor physical health that may last into adulthood. Pediatricians can play a vital role in preventing and identifying bullying, providing counseling to youth and their parents, and advocating for programs and policies to address LGBT bullying. PMID- 27865342 TI - Lesbian, Gay, Bisexual, and Transgender Youth. PMID- 27865344 TI - Erratum. PMID- 27865345 TI - Oral delivery of peptides: opportunities and issues for translation. PMID- 27865343 TI - Introduction to Lesbian, Gay, Bisexual, and Transgender Youth Health. PMID- 27865346 TI - Maternal fat-soluble vitamins, brain development, and regulation of feeding behavior: an overview of research. AB - Recent research shows a link between vitamin intake during pregnancy and offspring health. Inadequate intakes of water-soluble vitamins during pregnancy lead to obesity and characteristics of the metabolic syndrome, concurrent with altered developments in food intake regulatory pathways. Few studies, however, have reported on the effects of fat-soluble vitamins (A, D, E, and K) on the development of food intake regulatory pathways. The majority of studies to date have focused on associations between inadequate and high intakes of folic acid and vitamin D and neurocognitive development of the offspring. Hence, the objective of this review is to present an evaluation of the role of maternal vitamins A, D, E, and K in brain development and function of neural pathways that regulate feeding behaviors. PubMed and Google Scholar were searched from 1975 through September, 2016. Most studies supporting a role for fat-soluble vitamins in regulating brain development and associated behaviors have been conducted in animal and cell models, leaving uncertain their relevance to neurocognitive development and function in humans. Nevertheless, although current research on defining the role of maternal fat-soluble vitamins in offspring's brain development is limited, it is sufficient to warrant further investigations on their impact when intake amounts during pregnancy are not only inadequate but also exceed requirements. PMID- 27865347 TI - Gestational food restriction decreases placental interleukin-10 expression and markers of autophagy and endoplasmic reticulum stress in murine intrauterine growth restriction. AB - Intrauterine growth restriction (IUGR) affects up to 10% of pregnancies and often results in short- and long-term sequelae for offspring. The mechanisms underlying IUGR are poorly understood, but it is known that healthy placentation is essential for nutrient provision to fuel fetal growth, and is regulated by immunologic inputs. We hypothesized that in pregnancy, maternal food restriction (FR) resulting in IUGR would decrease the overall immunotolerant milieu in the placenta, leading to increased cellular stress and death. Our specific objectives were to evaluate (1) key cytokines (eg, IL-10) that regulate maternal-fetal tolerance, (2) cellular processes (autophagy and endoplasmic reticulum [ER] stress) that are immunologically mediated and important for cellular survival and functioning, and (3) the resulting IUGR phenotype and placental histopathology in this animal model. After subjecting pregnant mice to mild and moderate FR from gestational day 10 to 19, we collected placentas and embryos at gestational day 19. We examined RNA sequencing data to identify immunologic pathways affected in IUGR-associated placentas and validated messenger RNA expression changes of genes important in cellular integrity. We also evaluated histopathologic changes in vascular and trophoblastic structures as well as protein expression changes in autophagy, ER stress, and apoptosis in the mouse placentas. Several differentially expressed genes were identified in FR compared with control mice, including a considerable subset that regulates immune tolerance, inflammation, and cellular integrity. In summary, maternal FR decreases the anti-inflammatory effect of IL-10 and suppresses placental autophagic and ER stress responses, despite evidence of dysregulated vascular and trophoblast structures leading to IUGR. PMID- 27865348 TI - Nutrient restriction of glucose or serum results in similar proteomic expression changes in 3D colon cancer cell cultures. AB - Nutrient restriction, also known as caloric restriction, has been extensively examined for its positive impact on lifespan, immune system boost, and aging. In addition, nutrient restriction is implicated in decreasing cancer initiation and progression. Given the phenotypic changes associated with nutrient restriction, we hypothesized significant protein expression alterations must be associated with caloric restriction. To compare the molecular and phenotypic changes caused by glucose restriction and fetal bovine serum restriction there is need for an efficient model system. We establish 3-dimensional cell culture models, known as spheroids, in the HCT 116 colorectal cancer cell line as a high throughput model for studying the proteomic changes associated with nutrient restriction. Flow cytometry was used to assess apoptosis and autophagy levels in the spheroids under nutrient restriction. Isobaric tags for relative and absolute quantification and liquid chromatography tandem mass spectrometry were used to determine differential protein abundances between the nutrient restriction conditions. We identified specific proteins that have implications in cancer progression and metastasis that are differentially regulated by restriction of either glucose or serum. These proteins include the up-regulation of sirtuin 1 and protein inhibitor of activated STAT 1 and down-regulation of multi-drug resistance protein and Zinc finger and BTB domain-containing protein 7A. The results indicate nutrient restriction causes lower apoptotic and higher autophagy rates in HCT 116 spheroids. In addition, proteins shown to be differentially regulated by both glucose and serum restriction were similarly regulated. PMID- 27865349 TI - Whey protein increases muscle weight gain through inhibition of oxidative effects induced by resistance exercise in rats. AB - Whey protein (WP) is known for its nutritional value and antioxidant properties. The aim of this study was to evaluate whether the antioxidant properties of WP could contribute to muscle weight gain in response to resistance exercise (RE). We hypothesized that WP ingestion could increase muscle weight gain in rats subjected to an RE program, through inhibition of oxidative effects induced by high-intensity RE. Thirty-two male Fischer rats were randomly assigned to control sedentary, control exercised, WP sedentary, and WP exercised groups (n=8/group). The RE consisted of inducing the rats to perform sets of jumps for 8 weeks. Body and muscle weight gains, muscle glutathione content, histopathology, muscle antioxidant enzyme activities, and gene expression were evaluated. Body and muscle weight gains of exercised rats fed WP were higher than those of control exercised rats. Concomitantly, RE induced an increase in phagocyte infiltration, protein oxidation, and down-regulation of glutathione peroxidase and gamma glutamylcysteine synthetase messenger RNA expression in gastrocnemius muscle (P<.05), effects that were inhibited by WP ingestion. Cytosolic superoxide dismutase and catalase messenger RNA expression were reduced only by RE (P<.05), and muscle glutathione content was increased only by WP (P<.05) with no significant interaction observed (P>.05). These findings suggest that differences in body and muscle weight gain in exercised rats fed control or WP diets were mediated, in part, by the antioxidant properties of WP, and indicate that when associated with RE, WP represents a nutritional aid to support muscle growth. PMID- 27865350 TI - The fruit of Acanthopanax senticosus (Rupr. et Maxim.) Harms improves insulin resistance and hepatic lipid accumulation by modulation of liver adenosine monophosphate-activated protein kinase activity and lipogenic gene expression in high-fat diet-fed obese mice. AB - Obesity-associated insulin resistance is a major risk factor for most metabolic diseases, including dyslipidemia and type 2 diabetes. Acanthopanax senticosus (Rupr. et Maxim.) Harms (Goka) root has been used in traditional Chinese medicine for treatment of diabetes and other conditions; however, little is known about the effects of Goka fruit (GF). Goka fruit is rich in anthocyanin, which has beneficial effects on obesity and insulin resistance via activation of adenosine monophosphate-activated protein kinase (AMPK). We hypothesized that GF can improve obesity-associated insulin resistance. The aim of the present study was to investigate whether GF improves insulin resistance in high-fat diet (HFD) induced obese mice. High-fat diet mice treated with GF (500 and 1000 mg/kg) for 12 weeks showed an improved glucose tolerance and insulin sensitivity, as well as reduced plasma insulin and liver lipid accumulation. Moreover, GF administration to HFD mice resulted in down-regulation of fatty acid synthase expression and up regulation of cholesterol 7-alpha-hydroxylase expression in the liver. Notably, AMPK phosphorylation in the liver increased after GF administration. In summary, GF supplementation improved obesity-associated insulin resistance and hepatic lipid accumulation through modulation of AMPK activity and lipid metabolism associated gene expression. PMID- 27865351 TI - Quercetin relaxes guinea pig gallbladder strips. AB - Quercetin, a phytoestrogen and flavonoid, relaxes intestinal and vascular smooth muscle. The purpose of this study was to determine if quercetin had an effect on gallbladder smooth muscle. An in vitro technique was used to determine the effects of quercetin on gallbladder strips and which system(s) mediated the relaxation. Paired t tests were used; differences between means of P < .05 were considered significant. Adding quercetin before cholecystokinin or KCl produced a significant (P < .001) decrease in the amount of tension (0.80 +/- 0.04 vs 0.48 +/- 0.04 g cholecystokinin octapeptide and 0.8 +/- 0.06 vs 0.54 +/- 0.05 g KCl, respectively). When the protein kinase C (PKC) inhibitors bisindolymaleimide IV and chelerythrine Cl- were simultaneously, a significant (P < .001) reduction in the quercetin-induced relaxation (45.7% +/- 4.3% vs 27.6% +/- 3.4%) was observed. To determine if protein kinase A (PKA) mediated the quercetin-induced relaxation, PKA inhibitor 14-22 amide myristolated was used. It significantly (P < .05) decreased the amount (40.4% +/- 3.7% vs 34.5% +/- 3.3%) of quercetin-induced relaxation. The use of 2-APB also significantly (P < .001) reduced the amount of quercetin-induced relaxation (51.2% +/- 3.5% vs 14.8% +/- 3.6%). l-NG-methyl-l arginine acetate salt, a nitric oxide synthase inhibitor, significantly (P < 001) decreased the quercetin-induced relaxation (45.7% +/- 4.2% vs 35.2% +/- 3.6%). KT5823, a PKC inhibitor, had no effect on the quercetin-induced relaxation. Quercetin blocked extracellular Ca2+ entry which affected downstream events such as activation of PKC, PKA, intracellular Ca2+ release, and activation of nitric oxide synthase. Quercetin relaxed cholecystokinin octapeptide and KCl-induced tension in a concentration dependent manner. Thus quercetin-induced relaxation was mediated by multiple signaling pathways. PMID- 27865352 TI - Plum polyphenols inhibit colorectal aberrant crypt foci formation in rats: potential role of the miR-143/protein kinase B/mammalian target of rapamycin axis. AB - The nutritional prevention of aberrant crypt foci by polyphenols may be a crucial step to dietary cancer prevention. The objective of this study was to determine the underlying mechanisms that contribute to the anti-inflammatory and antitumorigenic properties of plum (Prunus salicina L.) polyphenols, including chlorogenic acid and neochlorogenic acid, in azoxymethane (AOM)-treated rats. The hypothesis was that plum polyphenolics suppress AOM-induced aberrant crypt foci formation through alterations in the protein kinase B (AKT)/mammalian target of rapamycin (mTOR) pathway and relative micro-RNA expressions. Sprague-Dawley rats (n=10/group) received plum beverage (1346mg gallic acid equivalents/L) or a control beverage ad libitum for 10 weeks with subcutaneous injections of AOM (15mg/kg) at weeks 2 and 3. Results show that the consumption of the plum beverage decreased the number of dysplastic aberrant crypt foci by 48% (P<.05) and lowered proliferation of mucosal cells by 24% (P<.05). The plum beverage decreased the activity of glutathione peroxidase, superoxide dismutase, and catalase in mucosal scrapings, as well as the superoxide dismutase activity in serum. The results were accompanied by a down-regulation of proinflammatory enzymes nuclear factor kappaB, nitric oxide synthase, cyclooxygenase-2, and vascular cell adhesion molecule 1 messenger RNA. Plum inhibited the expression of AKT and mTOR messenger RNA, phosphorylated AKT, mTOR, and hypoxia-inducible factor-1alpha protein levels, and the ratio of the phosphorylated/total protein expression of mTOR. Also, the plum beverage increased the expression of miR-143, which is involved in the regulation of AKT. These results suggest that plum polyphenols may exhibit a chemopreventive potential against colon carcinogenesis by impacting the AKT/mTOR pathway and miR-143. PMID- 27865353 TI - Maintenance of cytosolic calcium is crucial to extend l-arginine therapeutic benefits during continuous dosing. AB - The therapeutic benefits associated with short-term l-arginine supplementation are lost during continuous dosing. AMP-activated protein kinase (AMPK) functional modulation has been correlated with l-arginine therapeutic effectiveness, and with tolerance development during continuous supplementation. However, the metabolic link that is responsible for AMPK functional modulation during continuous l-arginine exposure is currently not known. To explore this, we incubated HUVECs for 7 days with 100 MUmol/L l-arginine, in the presence or absence of other agents; and monitored their effects for eNOS function, and on tolerance sparing effects (viz, cellular glucose accumulation, and oxidative stress). HUVEC co-incubation with 100 MUmol/L l-arginine and <=1200 mg/mL calcium (Ca2+) for 7 days avoided tolerance development, with an at least 1-fold increase in the eNOS and AMPK functional activity; and an 1-fold increase in overall cellular glucose uptake. The overall cellular cytosolic Ca2+was below 200 nmol/L, with no change in cellular glucose and superoxide/peroxynitrite (O2*-/ONOO-) level from control. However, tolerance sparing effects of at least 70% decrease in eNOS and AMPK functional response, with an 1-fold reduction in glucose uptake, and at least 2-fold increase in O2*-/ONOO- were observed in cells exposed for 7 days to 100 MUmol/L l-arginine at Ca2+co-incubation concentration of >1200 mg/mL. The >1200 mg/mL Ca2+ co-incubation condition, also improved the overall cellular Ca2+to >200 nmol/L. Similar tolerance response was observed in cells co-treated with 100 MUmol/L l-arginine and <=1200 mg/mL Ca2+ in the presence of Ca2+ influx inhibitor (20 MUmol/L 1,2-bis(o-aminophenoxy)ethane-N,N,N',N'-tetra acetic acid), or eNOS activity inhibitor (30 MUmol/L l-NG-nitroarginine methyl ester). No tolerance response was seen in cells incubated for 7 days with 100 MUmol/L l arginine and <=1200 mg/mL Ca2+; even in the presence of the inhibitor for cellular glucose induction (30 MUmol/L 5-chloro-2-(n-(2,5 dichlorobenzenesulfonamide))-benzoxazole). The present study thus provides the first definitive evidence that shows the need to maintain cytosolic Ca2+ within a threshold limit of less than 200 nmol/L to extend l-arginine therapeutic efficacy during continuous dosing, without any potential tolerance development. PMID- 27865354 TI - Vitamin D supplementation reduces insulin resistance in Japanese adults: a secondary analysis of a double-blind, randomized, placebo-controlled trial. AB - Higher circulating 25-hydroxyvitamin D (25[OH]D) concentration has been linked to a lower prevalence of insulin resistance and type 2 diabetes mellitus. However, randomized controlled trials have not clarified the effect of vitamin D supplementation on insulin resistance in healthy adults. The objective of this study was to assess the effect of vitamin D supplementation for 1 year on insulin resistance; the study was a secondary analysis of a clinical trial. We hypothesized that increased 25(OH)D concentration after vitamin D supplementation for 1 year would significantly improve insulin resistance. Ninety-six healthy adults participated in this study, of whom 81 completed the study. The participants randomly received daily either 420 IU vitamin D3 or placebo in a double-blind manner for 1 year. The levels of fasting insulin, glucose, and other parameters were assessed at baseline and after 1 year of intervention. Homeostasis model assessment of insulin resistance index was calculated from insulin and glucose levels. Visceral fat area and physical activity were also investigated. Serum 25(OH)D and 1,25-dihydroxyvitamin D concentrations were significantly increased by approximately 29.5 nmol/L and 7.0 pg/mL, respectively, after 1-year vitamin D supplementation. After vitamin D supplementation, fasting glucose levels and values of homeostasis model assessment of insulin resistance index significantly decreased from 88.3 to 85.3 mg/dL (P < .01) and 1.17 to 0.84 (P < .01), respectively, and the results were independent of physical activity and visceral fat accumulation. In conclusion, the present study showed that vitamin D supplementation for 1 year effectively improves fasting glucose level and insulin resistance in healthy Japanese adults. PMID- 27865355 TI - White sesame seed water-soluble fraction enhances human neuroblast cell viability via an anti-apoptotic mechanism. AB - Defatted sesame seed flour is recovered as a byproduct after oil extraction and is usually considered a waste product. Previously, we showed that water-soluble fractions purified from defatted white and gold sesame seed flour exhibited good antioxidant activity in vitro. We also identified ferulic acid and vanillic acid as the bioactive antioxidants in both white and gold sesame seed water-soluble fractions (WS-wsf and GS-wsf, respectively). In this study, we hypothesized that WS-wsf and GS-wsf may have neuroprotective effects due to their antioxidant potential. Treatment with WS-wsf for 24 hours enhanced human neuroblastoma SH SY5Y cell viability and proliferation, while GS-wsf, ferulic acid, and vanillic acid did not show similar effects. In addition, WS-wsf (1-3 mg/mL) significantly and dose-dependently protected SH-SY5Y cells against camptothecin-induced apoptosis, suggesting the involvement of an anti-apoptosis mechanism in the neuroprotective effects of WS-wsf. In fact, treatment with WS-wsf significantly decreased the mRNA expression levels of pro-apoptotic Bax and p53 genes. WS-wsf also enhanced Bcl-2 protein level and Akt phosphorylation. Taken together, this study showed that WS-wsf has interesting neuroprotective potential via an anti apoptotic mechanism, which is independent from its antioxidant capacity. PMID- 27865356 TI - Temporal trends in dietary supplement prescriptions of United States military service members suggest a decrease in pyridoxine and increase in vitamin D supplements from 2005 to 2013. AB - Dietary supplements (DSs) can be obtained over-the-counter but can also be prescribed by health-care providers for therapeutic reasons. Few studies have documented this later source despite the fact that 79% of physicians and 82% of nurses have recommended DSs to patients. This investigation assessed prevalence and temporal trends in oral DS prescriptions filled by all United States service members (SMs) from 2005 to 2013 (n = 1 427 080 +/- 22 139, mean +/- standard deviation (SD)/y). We hypothesize that there would be temporal variations in specific types of DSs. Data obtained from Department of Defense Pharmacy Data Transaction System were grouped by American Hospital Formulary System pharmacologic-therapeutic classifications and prevalence examined over time. About 11% of SMs filled one or more DS prescriptions of 235 180 +/- 4926 (mean +/ SD) prescriptions/y over the 9-year period. Curve-fitting techniques indicated significant linear declines over time for multivitamins (P = .004), iron preparations (P < .001), antacids (P < .001), and vitamin B and B complex vitamins (P < .001). There were significant quadratic trends indicating a rise in early years followed by a leveling off in later years for replacement preparations (P < .001) and vitamin C (P < .001). There were significant quadratic trends (P < .001) for vitamin E indicating a decline in early years and leveling off in later years, and vitamin D indicating little change in early years followed by a large rise subsequently (P < .001). This study identified temporal trends in specific DS categories that may be associated with changing perceptions of prescribers and/or patients of the appropriate roles of DSs in medicine and public health. PMID- 27865359 TI - Getting the Most from Your Cytology Samples. PMID- 27865358 TI - Low daily dose of 3 mg monacolin K from RYR reduces the concentration of LDL-C in a randomized, placebo-controlled intervention. AB - Hypercholesterolemia and elevated homocysteine concentrations are associated with cardiovascular risk. Previous studies have demonstrated a cholesterol-lowering effect of red yeast rice (RYR) supplements which contained 5 to 10 mg of monacolin K. We hypothesized that the intake of a low monacolin K dose may likewise reduce low-density lipoprotein-cholesterol (LDL-C) and other plasma lipids. In secondary analyses, we tested the homocysteine lowering effect of folic acid, which was also included in the study preparation. Therefore, we conducted a randomized, double-blind, and placebo-controlled intervention study. One hundred forty-two nonstatin-treated participants with hypercholesterolemia (LDL-C >= 4.14 <= 5.69 mmol/L) were randomized to the supplement group with RYR or the placebo group. Participants of the supplement group consumed 3 mg monacolin K and 200 MUg folic acid per day. A significant (P < .001) reduction of LDL-C (-14.8%), total cholesterol (-11.2%), and homocysteine (-12.5%) was determined in the supplement group after 12 weeks. A total of 51% of the participants treated with RYR achieved the limit of LDL-C <4.14 mmol/L advised and 26% reached the threshold level of homocysteine <10 MUmol/L. No significant changes were exhibited within the placebo group. Other parameters remained unchanged and no intolerances or serious adverse events were observed. In conclusion, we demonstrated that a low dose of daily 3 mg monacolin K from RYR reduces the concentration of LDL-C; a risk factor for cardiovascular diseases. PMID- 27865357 TI - Younger and older ages and obesity are associated with energy intake underreporting but not overreporting in Japanese boys and girls aged 1-19 years: the National Health and Nutrition Survey. AB - Evidence on the magnitude and nature of misreporting of food intake in non Western children and adolescents is sparse. We investigated the hypothesis that under- and overreporting of energy intake (EI) is prevalent and associated with some characteristics in 3866 Japanese boys and girls aged 1-19 years using data from the 2012 National Health and Nutrition Survey, Japan. Each individual's EI was calculated based on a 1-day semiweighed household dietary record, including information on approximate proportions by which each dish was divided among the family members. Under-, acceptable, and overreporters of EI were identified by 2 methods: based on the 95% confidence limits (1) for agreement between the ratio of EI to basal metabolic rate (BMR) and a physical activity level for sedentary lifestyle (1.55) and (2) of the expected ratio of EI to estimated energy requirement (EER) of 1.0. BMR was calculated using Schofield's equations. EER was calculated using equations from the US Dietary Reference Intakes, assuming "low active" level of physical activity. Percentages of under-, acceptable, and overreporters were 2.4%, 97.0%, and 0.5%, respectively, based on EI/BMR and 3.2%, 95.4%, and 1.4%, respectively, based on EI/EER. Underreporting was associated with the youngest (1-5 years) and oldest (15-19 years) age groups and with obesity. Overreporting was not associated with any of the variables examined. In conclusion, although overall mean EI obtained from the National Health and Nutrition Survey, Japan seemed plausible in Japanese boys and girls, younger and older ages and obesity were associated with EI underreporting but not overreporting. PMID- 27865360 TI - Langerhans cell number is a strong and independent prognostic factor for head and neck squamous cell carcinomas. AB - OBJECTIVES: Head and neck squamous cell carcinomas (HNSCCs) exhibit great biological heterogeneity and relatively poor prognosis. Tobacco and alcohol consumption is involved in the cause of the majority of these cancers, but over the last several years, Human Papilloma Virus (HPV) infection has increased specifically in oropharyngeal cancers and become an additional risk factor. Here, we evaluated the number of Langerhans cells (LCs) in HNSCC and reporting its prognostic power in comparison to other risk factors. MATERIALS AND METHODS: Our clinical series was composed of 25 tumor-free peritumoral epithelium, 64 low grade dysplasia, 54 high-grade dysplasia and 125 carcinoma samples. HPV was detected by E6/E7 qPCR and p16 immunohistochemistry. CD1a-positive LCs were counted in intra-tumoral and stromal compartments as well as lymph nodes. MIP 3alpha was assessed in carcinomas using immunohistochemistry. RESULTS: Univariate Cox regression analyses demonstrated that high LC number is associated with longer recurrence-free survival in both intra-tumoral and stromal compartments and longer overall survival in stromal compartment. Tobacco and alcohol habits, but not HPV status, are also correlated with poor prognoses in terms of recurrence. Multivariate analyses reported stromal LC number as a strong prognostic factor independent of tobacco, alcohol and HPV status. Moreover, LC number is higher in tumors and invaded lymph nodes than dysplastic lesions but it decreases in HPV-positive cancer patients. Further, LC number correlates with MIP 3alpha expression. CONCLUSION: These findings suggest that LC number is a significant and independent prognostic factor for HNSCC. LC infiltration is increased in cancer lesions but decrease with HPV infection. PMID- 27865362 TI - Lateral lymph node recurrence after total thyroidectomy and central neck dissection in patients with papillary thyroid cancer without clinical evidence of lateral neck metastasis. AB - BACKGROUND: This study analyzed the incidence, pattern, and predictive factors for lateral lymph node (LN) recurrence in patients with papillary thyroid cancer (PTC) without clinical evidence of lateral LN metastasis. METHODS: A retrospective analysis was performed on 246 patients with PTC who underwent total thyroidectomy and central neck dissection from 2004 to 2010. None of the patients had clinical evidence of lateral LN metastasis at the time of diagnosis. Predictive factors for lateral LN recurrence were evaluated using the chi-square test. Binary logistic regression was used for the multivariate analysis. Recurrence-free survival rates were estimated by the Kaplan-Meier and Cox regression methods. RESULTS: Of the 246 patients, 11 (4.5%) developed lateral LN recurrence with a median follow-up of 49months. In the multivariate analysis, tumor size >1cm (odds ratio [OR], 8.14; 95% confidence interval [CI], 1.01-65.68; p=0.049) and central LN metastasis (OR, 10.59; 95% CI, 1.32-85.17; p=0.026) were independent predictive factors of lateral LN recurrence. Especially, extranodal extension of a metastatic central LN (OR, 38.82; 95% CI, 5.71-264.10; p<0.001) was an independent predictor of lateral LN recurrence. CONCLUSIONS: Tumor size and central LN metastasis were independent predictors of lateral LN recurrence in patients with PTC without initial clinical lateral neck metastasis who underwent total thyroidectomy and central neck dissection. Close surveillance may be necessary for early detection of lateral LN recurrence in PTC patients with tumor size ?1cm, and central LN metastasis with extranodal extension. PMID- 27865361 TI - Diagnosis of HPV driven oropharyngeal cancers: Comparing p16 based algorithms with the RNAscope HPV-test. AB - BACKGROUND: Accurate identification of HPV-driven oropharyngeal cancer (OPC) is a major issue and none of the current diagnostic approaches is ideal. An in situ hybridization (ISH) assay that detects high-risk HPV E6/E7 mRNA, called the RNAscope HPV-test, has been recently developed. Studies have suggested that this assay may become a standard to define HPV-status. METHODS: To further assess this test, we compared its performance against the strategies that are used in routine clinical practice: p16 immunohistochemistry (IHC) as a single test and algorithms combining p16-IHC with HPV-DNA identification by PCR (algorithm-1) or ISH (algorithm-2). RESULTS: 105 OPC specimens were analyzed. The prevalence of HPV positive samples varied considerably: 67% for p16-IHC, 54% for algorithm-1, 61% for algorithm-2 and 59% for the RNAscope HPV-test. Discrepancies between the RNAscope HPV-test and p16-IHC, algorithm-1 and 2 were noted in respectively 13.3%, 13.1%, and 8.6%. The 4 diagnostic strategies were able to identify 2 groups with different prognosis according to HPV-status, as expected. However, the greater survival differential was observed with the RNAscope HPV-test [HR: 0.19, 95% confidence interval (CI), 0.07-0.51, p=0.001] closely followed by algorithm-1 (HR: 0.23, 95% CI, 0.08-0.66, p=0.006) and algorithm-2 (HR: 0.26, 95% CI, 0.1-0.65, p=0.004). In contrast, a weaker association was found when p16-IHC was used as a single test (HR: 0.33, 95% CI, 0.13-0.81, p=0.02). CONCLUSIONS: Our findings suggest that the RNAscope HPV-test and p16-based algorithms perform better that p16 alone to identify OPC that are truly driven by HPV-infection. The RNAscope HPV-test has the advantage of being a single test. PMID- 27865364 TI - Induction chemotherapy with docetaxel, cisplatin and fluorouracil followed by concurrent chemoradiotherapy or chemoradiotherapy alone in locally advanced non endemic nasopharyngeal carcinoma. AB - OBJECTIVES: To evaluate the efficacy of induction chemotherapy with docetaxel, cisplatin and fluorouracil (TPF) followed by concurrent chemoradiotherapy (IC+CCRT) or CCRT alone in non-endemic locally advanced nasopharyngeal carcinoma (NPC) patients. MATERIALS AND METHODS: Data of 106 patients with NPC treated from January 1999 to June 2012 with IC+CCRT (n=58) or CCRT alone (n=48) were retrospectively reviewed. RESULTS: Median follow-up was 6.4years. Distribution of age, performance status, stage and concurrent chemotherapy regimen were imbalanced between the two groups. The 5-year overall survival (OS) and progression-free survival (PFS) were not significantly different between IC+CCRT and CCRT groups (OS: 78.3% vs. 82.7%, p=0.77; PFS: 72.5% vs. 68.2%, p=0.81, respectively). There were less total cumulative incidence of grade 3-4 late radiation morbidity in the IC+CCRT group (44.8% vs. 70.8%, p=0.01). Five-year OS for patients with post-IC complete response (CR), partial response (PR) and stable disease (SD) sub-groups were 100%, 79.4% and 60%, respectively. CONCLUSION: Compared with CCRT alone, IC (TPF regimen)+CCRT did not improve OS or PFS in patients with NPC, but less grade 3-4 late toxicities were observed. Responsiveness of IC may provide additional prognostic information. PMID- 27865363 TI - Pathology-based staging for HPV-positive squamous carcinoma of the oropharynx. AB - OBJECTIVE: The rapid worldwide rise in incidence of human papillomavirus (HPV) positive oropharyngeal squamous cell carcinoma (OPSCC) has generated studies confirming this disease as an entity distinct from traditional OPSCC. Based on pathology, surgical studies have revealed prognosticators specific to HPV positive OPSCC. The current AJCC/UICC staging and pathologic nodal (pN) classification do not differentiate for survival, demonstrating the need for new, HPV-specific OPSCC staging. The objective of this study was to define a pathologic staging system specific to HPV-positive OPSCC. METHODS: Data were assembled from a surgically-managed, p16-positive OPSCC cohort (any T, any N, M0) of 704 patients from five cancer centers. Analysis was performed for (a) the AJCC/UICC pathologic staging, (b) newly published clinical staging for non surgically managed HPV-positive OPSCC, and (c) a novel, pathology-based, "HPVpath" staging system that combines features of the primary tumor and nodal metastases. RESULTS: A combination of AJCC/UICC pT-classification and pathology confirmed metastatic node count (?4 versus ?5) yielded three groups: stages I (pT1-T2, ?4 nodes), II (pT1-T2, ?5 nodes; pT3-T4, ?4 nodes), and III (pT3-T4, ?5 nodes), with incrementally worse prognosis (Kaplan-Meier overall survival of 90%, 84% and 48% respectively). Existing AJCC/UICC pathologic staging lacked prognostic definition. Newly published HPV-specific clinical stagings from non surgically managed patients, although prognostic, showed lower precision for this surgically managed cohort. CONCLUSIONS: Three loco-regional "HPVpath" stages are identifiable for HPV-positive OPSCC, based on a combination of AJCC/UICC primary tumor pT-classification and metastatic node count. A workable, pathologic staging system is feasible to establish prognosis and guide adjuvant therapy decisions in surgically-managed HPV-positive OPSCC. PMID- 27865366 TI - Effects of geographic area and socioeconomic status in Taiwan on survival rates of head and neck cancer patients after radiotherapy. PMID- 27865365 TI - Implications of cancer stem cells in developing therapeutic resistance in oral cancer. AB - Conventional therapeutics are often frequented with recurrences, refraction and regimen resistance in oral cavity cancers which are predominantly manifested by cancer stem cells (CSCs). During oncoevolution, cancer cells may undergo structural and functional reprogramming wherein they evolve as highly tolerant CSC phenotypes with greater survival advantages. The CSCs possess inherent and exclusive properties including self-renewal, hierarchical differentiation, and tumorigenicity that serve as the basis of chemo-radio-resistance in oral cancer. However, the key mechanisms underlying the CSC-mediated therapy resistance need to be further elucidated. A spectrum of dysfunctional cellular pathways including the developmental signaling, apoptosis, autophagy, cell cycle regulation, DNA damage responses and epigenetic regulations protect the CSCs from conventional therapies. Moreover, tumor niche shelters CSCs and creates an immunosuppressive environment favoring the survival of CSCs. Maintenance of lower redox status, epithelial-to-mesenchymal transition (EMT), metabolic reprogramming and altered drug responses are the accessory features that aid in the process of chemo-radio resistance in oral CSCs. This review deals with the functional and molecular basis of cancer cell pluripotency-associated resistance highlighting the abrupt fundamental cellular processes; targeting these events may hold a great promise in the successful treatment of oral cancer. PMID- 27865367 TI - Circulating tumor stem like cells in oral squamous cell carcinoma: An unresolved paradox. AB - OBJECTIVE: Circulating tumor cells (CTCs) are increasingly gaining importance due to their immense potential in enhancing diagnosis, prognosis and response to therapy in solid malignancies. Therefore, we aimed to comprehend the molecular diversity and critical role of this disseminated tumor population in OSCC. METHODOLOGY: CD44+ subpopulation was isolated using immuno-magnetic cell separation and their purity was validated using flow cytometry. Characterisation of self renewal potential and resistance to chemotherapy was assessed using tumor sphere forming and cytotoxicity assay. Gene expression profile of pertinent CSC (CD44s, CD44v3, CD44v6) and stemness markers (Bmi1 and Nanog) was carried out in CD44+ cells using Real Time PCR. Predominantly expressed markers and their association with clinico-pathological conditions were substantiated in 30 OSCC patients. RESULT: Flow cytometry analysis depicted a predominant population of CD44+CD24-CD45- cells suggesting that circulating tumor cells had a subpopulation of CSC like cells in the circulation. These cells demonstrated increased sphere forming capability and intrinsic chemo-resistance compared to non-CSC, thus indicating the CSC features of self-renewal and chemo-resistance. Additionally, CD44+ cells showed significantly increased expression levels of CD44v6 and Nanog compared to CD44- cells. Clinically, expression pattern of CD44v6 and Nanog correlated with different anatomical subsites, loco-regional aggressiveness of the disease and recurrence, thus opening newer avenues that can be explored for better prognostic and therapeutic implications. CONCLUSION: This study explored the inevitable role of CD44v6 and Nanog as circulating stem like cell markers in assessment of loco-regional aggressiveness, detection of relapse and therapeutic response and resistance. PMID- 27865369 TI - Feasibility of using head and neck CT imaging to assess skeletal muscle mass in head and neck cancer patients. AB - OBJECTIVES: Patients with head and neck cancer (HNC) have a higher risk of malnutrition and sarcopenia, which is associated with adverse clinical outcome. As abdominal CT-imaging is often used to detect sarcopenia, such scans are rarely available in HNC patients, possibly explaining why no studies investigate the effect of sarcopenia in this population. We correlated skeletal muscle mass assessed on head and neck CT-scans with abdominal CT-imaging. METHODS: Head and neck, and abdominal CT-scans of trauma (n=51) and HNC-patients (n=52) were retrospectively analyzed. On the head and neck CT-scans, the paravertebral and sternocleidomastoid muscles were delineated. On the abdominal CT-scans, all muscles were delineated. Cross-sectional area (CSA) of the muscles at the level of the C3 vertebra was compared to CSA at the L3 level using linear regression. A multivariate linear regression model was established. RESULTS: HNC-patients had significantly lower muscle CSA than trauma patients (37.9 vs. 45.1cm2, p<0.001, corrected for sex and age). C3 muscle CSA strongly predicted L3 muscle CSA (r=0.785, p<0.001). This correlation was stronger in a multivariate model including sex, age and weight (r=0.891, p<0.001). DISCUSSION: Assessment of skeletal muscle mass on head and neck CT-scans is feasible and may be an alternative to abdominal CT-imaging. This method allows assessment of sarcopenia using routinely performed scans without additional imaging or additional patient burden. Identifying sarcopenic patients may help in treatment selection, or to select HNC patients for physiotherapeutic or nutritional interventions to improve their outcome. PMID- 27865368 TI - Effect of HPV on head and neck cancer patient survival, by region and tumor site: A comparison of 1362 cases across three continents. AB - OBJECTIVES: To explore whether HPV-related biomarkers predict oropharyngeal squamous cell cancer (OPSCC) survival similarly across different global regions, and to explore their prognostic utility among non-oropharyngeal (non-OP) head and neck cancers. METHODS: Data from 1362 head and neck SCC (HNSCC) diagnosed 2002 2011 was used from epidemiologic studies in: Brazil (GENCAPO study, n=388), U.S. (CHANCE study, n=472), and Europe (ARCAGE study, n=502). Tumors were centrally tested for p16INK4a and HPV16 DNA (by PCR). Risk of mortality was examined using Cox proportional hazard models. RESULTS: There were 517 OPSCC and 845 non-OP HNSCC. Cases were primarily male (81%), ever smokers (91%), with median age of 58yearsandmedian follow-up of 3.1years (IQR=1.4-5.9). Among OPSCC, the risk of mortality was significantly lower among 184 HPV-related (i.e., p16+/HPV16+) compared to 333 HPV-unrelated (p16- and/or HPV16-) cases (HR=0.25, 95%CI=0.18 0.34). Mortality was reduced among HPV-related OPSCC cases from the U.S., Europe, and Brazil (each p?0.01) and after adjustment, remained significantly reduced (aHR=0.34, 95%CI=0.24-0.49). Among non-OP HNSCC, neither p16 (aHR=0.83, 95%CI=0.60-1.14), HPV16 DNA (aHR=1.20, 95%CI=0.89-1.63), or p16+/HPV16+ (aHR=0.59, 95%CI=0.32-1.08) was a significantly predictor of mortality. When interaction was tested, the effect of HPV16/p16 was significantly different in OPSCC than non-OP HNSCC (p-interaction=0.02). CONCLUSION: HPV-related OPSCCs had similar survival benefits across these three regions. Prognostic utility of HPV among non-OP HNSCC is limited so tumor HPV/p16 testing should not be routinely done among non-OP HNSCC. PMID- 27865370 TI - Hypermethylated ZNF582 and PAX1 are effective biomarkers for detection of oral dysplasia and oral cancer. AB - OBJECTIVES: This study investigated whether the methylation of ZNF582, PAX1, SOX1, NKX6.1, and PTPRR genes in oral scrapings could be used to detect oral dysplasia and oral cancer and to predict oral cancer recurrence. MATERIALS AND METHODS: Oral scrapings were collected from 65 normal oral mucosa subjects, 107 oral precancer patients, and 95 oral squamous cell carcinoma patients. Methylation levels of the five genes were quantified by real-time methylation specific PCR after bisulfite conversion. RESULTS: Among the five tested genes, methylated ZNF582 (ZNF582m) and PAX1 (PAX1m) were found to be appropriate biomarkers for oral dysplasia and oral cancers. ZNF582m could detect mild dysplasia or worse oral lesions with the sensitivity and specificity being 0.85 and 0.87, respectively. PAX1m performed better in identifying moderate dysplasia or worse oral lesions with the sensitivity and specificity being 0.72 and 0.86, respectively. Moreover, the methylation levels and positive rates for ZNF582m and PAX1m were increased when disease severity increased. Thus, they may be applicable as a triage tool for patients with abnormal visual oral examinations. After cancer excision, both ZNF582m and PAX1m levels decreased. However, their levels increased again at the subsequently recurrent sites in some patients approximately 3-4 months before cancer recurrence. Finally, areca-quid chewing alone and in combination with cigarette smoking or alcohol drinking were found to be correlated with ZNF582 and PAX1 hypermethylation. CONCLUSION: We conclude that hypermethylated ZNF582 and PAX1 are effective biomarkers for the detection of oral dysplasia and oral cancer and for the prediction of oral cancer recurrence. PMID- 27865371 TI - Assessing head and neck cancer patient preferences and expectations: A systematic review. AB - INTRODUCTION: To enhance the value of care, interventions should aim at improving endpoints that matter to patients. The preferences of head and neck cancer patients regarding treatment outcomes are therefore a major topic for patient centered research. METHODS: A systematic review (PROSPERO number CRD42016035692) was conducted by searching electronic databases (Medline, Embase, Cochrane, CINAHL) for articles evaluating patient or surrogate preferences in head and neck cancer. A qualitative review was performed but no quantitative synthesis. RESULTS: Of 817 references retrieved, 20full-text articles were eventually included in the qualitative analysis Disease sites included mixed head and neck tumor sites, n=9; larynx, n=6; oropharynx/oral cavity, n=5. Overall, patients prioritized survival over functional endpoints. However, preferences and utility scores varied greatly between patients and healthy subjects, and differences were less pronounced with spouses or healthcare providers. Findings from studies of laryngeal preservation are consistent and conclude that a subset of patients would be willing to compromise a certain amount of survival to avoid laryngectomy. On the other hand, studies of patients with oropharyngeal cancer are too heterogeneous to draw conclusions about acceptable functional trade-offs or priorities, and should be the focus of future research. CONCLUSION: Future research surrounding head and neck cancer patients will most likely be clinically applicable if the questions are focused on well-defined patient groups and treatment options. Gathering reliable and valid quality-of-life data, designing patient preference studies that use reliable and generalizable methods, and using the results to develop decision aids for shared decision-making strategies are recommended going forward. PMID- 27865372 TI - Phase II study of panitumumab and paclitaxel as first-line treatment in recurrent or metastatic head and neck cancer. TTCC-2009-03/VECTITAX study. AB - OBJECTIVE: To evaluate the activity and safety profile of panitumumab in combination with paclitaxel in patients with recurrent or metastatic SCCHN. MATERIALS AND METHODS: The VECTITAX phase II, open-label, multicenter study included patients with confirmed metastatic and/or recurrent SCCHN deemed to be untreatable by surgery or radiotherapy and ECOG PS=0-1. All patients received paclitaxel (80mg/m2/week) and panitumumab (6mg/kg/2weeks) until disease progression or unacceptable toxicity. EQ-5D-3L andvisual analogic scale (VAS) were used to evaluate impact on quality of life (QoL). RESULTS: The study included 40 patients (ITT population): (median age: 61 years; 87% male). Previous treatment: 29 patients (73%) had undergone surgery, 34 (85%) had received prior radiotherapy and 23 (58%) prior systemic treatment for locally advanced disease. Confirmed response was observed in 19 patients (48%) which was a complete response in 15% of patients. Stable disease was observed in 11 patients (28%). Disease control rate was 75%. Median progression-free survival was 7.5 months (95%CI: 4.9-8.3) and median overall survival 9.9 months (95%CI: 7.9-16.3). Most frequent grade 3-4 adverse events were skin rash (25%); asthenia (17%); neurotoxicity (15%); hypomagnesemia (10%); neutropenia (10%). Permanent discontinuation of panitumumab or paclitaxel due to adverse events was required in 10 (25%) and 13 patients (33%), respectively. There was one toxic death due to febrile neutropenia. Patient-reported QoL was preserved with no decline of median VAS scores. CONCLUSION: Panitumumab and paclitaxel is an active combination, providing promising outcomes with preservation of the QoL and a favorable safety profile. (EudraCT: 2010-018898-37; NCT01264328). PMID- 27865373 TI - Extracapsular spread in head and neck squamous cell carcinoma: A systematic review and meta-analysis. AB - Extracapsular spread (ECS) is one of the most important prognostic factors in head and neck squamous cell carcinoma (HNSCC). However, despite its major clinical relevance, there are still a number of important remaining issues regarding this condition. Indeed, standardized diagnostic and grading criteria of ECS are still lacking. The imaging modality of choice for its diagnosis is a matter of debate. Current research looking at the identification of specific biomarkers is ongoing. Recent findings demonstrate a direct correlation between the level of extension of ECS and a poor prognosis. Accumulating data show that ECS does not carry the same adverse features in human papilloma virus (HPV) positive oropharyngeal squamous cell carcinoma (OPSCC). New treatment strategies based on these factors are currently considered to investigate the possibility of diminishing the toxicity of chemo-radiotherapy while maintaining similar outcomes. The goal of this article was to provide a systematic review of the literature covering all the issues related to ECS. As an additional component of the review, meta-analyses were performed on relevant aspects of ECS for which previous quantitative data were outdated or not available. The results of these meta-analyses confirm the negative impact of ECS on loco-regional recurrence and distant metastasis. They also demonstrate the absence of a negative impact of ECS in HPV-positive OPSCC. PMID- 27865374 TI - Clinical implications of the extent of BRAFV600E alleles in patients with papillary thyroid carcinoma. AB - OBJECTIVE: There are many conflicting reports about the clinical implications of BRAFV600E in papillary thyroid cancer (PTC). We investigated the associations between the extent of BRAFV600E alleles and both clinico-pathological features and recurrence of PTC. MATERIALS AND METHODS: Carcinoma tissues from 60 patients with PTC were genotyped for BRAFV600E using pyrosequencing, and the clinico pathological factors and disease outcomes of the patients were examined. The associations between the extent of mutant BRAF alleles and both clinico pathological parameters and recurrence-free survival (RFS) were analyzed. RESULTS: The BRAFV600E mutation was detected in 66.7% (40/60) of our PTC patients. When we defined four groups on the basis of the extent of BRAFV600E alleles by pyrosequencing-negative (less than 5%), low (5 - less than 15%), intermediate (15 - less than 25%), and high (25% or greater)- the four groups showed statistically significant differences regarding lymph node (LN) metastasis and recurrence (P<0.05). However, age, gender, tumor size, multicentricity, capsular invasion, and lymphovascular invasion were not significantly different among the groups. The 10-year RFS rates in PTC patients with greater than 25% and less than 25% mutated BRAF alleles were 74% and 100%, respectively. This difference was significant (P=0.043). CONCLUSIONS: A high extent more than 25% of BRAFV600E alleles may be associated with disease outcome in PTC patients. We need more data to verify a hypothesis that the extent of BRAF mutations may be clinically informative in the management of PTC, such as by tailoring proper surgical and radioactive iodine treatments and determining appropriate management during follow-up. PMID- 27865375 TI - Optimize the cycle of neoadjuvant chemotherapy for locoregionally advanced nasopharyngeal carcinoma treated with intensity-modulated radiotherapy: A propensity score matching analysis. AB - OBJECTIVES: The aim of this study is to optimize the cycle for patients with locoregionally advanced nasopharyngeal carcinoma (NPC) receiving neoadjuvant chemotherapy (NCT) in the era of intensity-modulated radiotherapy (IMRT). MATERIALS AND METHODS: Data on 569 locoregionally advanced NPC patients treated with IMRT were retrospectively reviewed. Propensity score matching (PSM) method was adopted to balance prognostic factors and match patients. Survival outcomes of matched patients between different NCT cycle groups were compared. RESULTS: The median cycle of NCT was 2 (range, 2-4 cycles) for the whole cohort, and patients were therefore stratified as low cycle (=2) and high cycle (>2) groups. In total, 247 pairs of NPC patients were selected by PSM. Univariate analysis found no significantly prognostic difference between the low cycle and high cycle groups, and multivariate analysis did not establish NCT cycle as an independent factor. However, stratified analysis revealed patients in the low cycle group had better OS than those of patients in the high cycle group (92.4% vs. 80.8%, P=0.029), and NCT was identified as an independent prognostic factor for OS in patients with N2-3 category (HR, 2.252; 95% CI, 1.024-4.953; P=0.043). CONCLUSION: Two cycles of NCT may be enough and additional more cycles are not associated with improved survival outcomes for patients with locoregionally advanced NPC in the era of IMRT. PMID- 27865376 TI - Free flap outcome of salvage surgery compared to primary surgery for head and neck defects: A propensity score analysis. AB - OBJECTIVES: To compare free flap outcomes for head and neck defects between primary surgery and salvage surgery and identify factors affecting the outcomes in the two settings. METHODS: A total of 225 patients (primary group, n=56; salvage group, n=169) were retrospectively identified. The salvage group was previously treated with radiotherapy, chemoradiation, surgery, or any combination of these treatments. Clinical data were retrieved and analyzed between the two groups to compare the incidence and contributing factors of flap-related complications and flap failure. A propensity score analysis with matching T stage, defect, and flap types was also performed for unbiased comparisons. RESULTS: Flap-related complication rate was 22.2% in all patients. The salvage group showed higher rates of wound dehiscence than the primary group (3.6% in primary vs. 13.0% in salvage; p=0.04). Flap failures occurred in 10 patients (4.4%), including 3 (5.4%) in the primary group and 7 (4.1%) in the salvage group (p=0.71). Multivariate analysis showed no critical factor that influenced the occurrence of flap-related complications or flap failure, including surgery type (primary or salvage). In propensity score analysis, incidences and types of flap related complications and flap failure were not statistically different between the two groups (primary and salvage). CONCLUSIONS: Free flap reconstruction is a safe and reliable method to restore the ablative defects in previously irradiated or operated head and neck defects. PMID- 27865377 TI - Risk factors for radiation failure in early-stage glottic carcinoma: A systematic review and meta-analysis. AB - BACKGROUND: Radiotherapy is one of the main treatment modalities for early-stage glottic carcinoma. Unfortunately, local failure may occur in a group of cases with T1-T2 glottic carcinoma. This meta-analysis sought to determine risk factors for radiation failure in patients with early-stage glottic carcinoma. METHODS: A systematic and comprehensive search was performed for related studies published between 1995 and 2014. The primary end-point was 5-year local control. Data extraction and analysis were performed using the software STATA/SE 13.1 for Windows. RESULTS: Twenty-seven studies were eligible. A higher risk of radiation failure was demonstrated in male patients [relative risk (RR): 0.927, p<0.001] and those with low hemoglobin level (RR: 0.891, p<0.001) with a high agreement between studies (I-squared=0.0%). Moreover, T2 tumors (RR: 0.795, p<0.001), tumors with anterior commissure involvement (RR: 0.904, p<0.001), tobacco use during/after therapy (RR: 0.824, p<0.001), and "bulky" tumors (RR: 1.270, p<0.001] or tumors bigger in size (RR: 1.332, p<0.001]. Poorly differentiated tumors had a questionable risk of local failure, although a moderate to high interstudy heterogeneity was determined. A statistically significant contribution was not detected for age, presence of comorbidity, alcohol use or subglottic extension. CONCLUSION: This is the first meta-analysis which assessed the potential risk factors for radiation failure in patients with early-stage glottic carcinoma. Gender and pretreatment hemoglobin level are major influential factors associated with radiation failure in patients with early-stage glottic carcinoma. However, prospective, randomized clinical trials may permit better stratification of their relative contributions, and those who may benefit more from upfront surgery. PMID- 27865378 TI - Development of immune-biomarkers of pulmonary tuberculosis in a rabbit model. AB - Tuberculosis (TB) causes extensive morbidity and mortality worldwide with approximately 10 million new cases of active disease emerging mostly from a pool of two billion individuals latently infected with Mycobacterium tuberculosis (M. tb) every year. The underlying host immune responses that drive M. tb infection to active disease or latency are not well understood. We propose that identification and characterization of host immune biomarkers will be helpful to better understand the mechanisms that drive this process, and may, in addition, lead to the development of better diagnostic tools for TB. We have previously reported the profiles of plasma immune biomarkers in pulmonary TB patients in endemic countries, and in M. tb-infected nonhuman primates. However, biomarker profiling for a cost-effective and user-friendly animal model relevant to human disease, such as rabbit, has not been developed. One challenge in the analysis of circulating cytokines/chemokines for rabbit model of TB is the limited availability of validated immune-reagents. Here we report the use of a commercially available multiplex microbead human cytokine/chemokine panels as development platform for rabbit immune reagents. The results demonstrate their utility to determine circulating analytes and define their profiles related to TB in the rabbit model. In addition, we report the profiles of circulating anti-M. tb antibodies in the plasma of rabbits with active pulmonary TB. These studies show that the pattern of expression of circulating immune biomarkers correlate with TB pathology in rabbits, and are similar to those defined in pulmonary TB patients. PMID- 27865380 TI - Highly sensitive sequence specific qPCR detection of Mycobacterium tuberculosis complex in respiratory specimens. AB - Nucleic acid amplification tests for Mycobacterium tuberculosis (MTB) detection from sputum are highly sensitive and specific with smear microscopy positive specimens, but their sensitivity with smear-negative/culture-positive specimens is much lower; therefore, these tests cannot rule out a tuberculosis diagnosis. Co-extraction of PCR inhibitors may be a cause of decreased test sensitivity. Here the design and early validation of a MTB screening assay with sample preparation and qPCR methods designed to specifically address this diagnostic gap is reported. First, human genomic DNA is identified as a significant qPCR inhibitor. To circumvent this problem, a novel, streamlined sample preparation method utilizing detergent and proteolysis to thin the sputum and DNA sequence specific MTB DNA isolation was developed. Additionally, a multiplexed qPCR assay targeting two MTB complex-specific loci: the potentially multi-copy IS6110 and the single-copy senX3-regX3, combined with the cotJC gene from Bacillus atrophaeus spores amplified as a process control was developed. The limit of detection of the test was estimated to be 20 cfu/ml which is significantly lower than the Xpert(r) MTB/RIF assay. In a preliminary field study of 60 de-identified blinded sputa, a test sensitivity of 96% and specificity of 100% was observed when compared to the Xpert(r) MTB/RIF assay. PMID- 27865382 TI - BCG infection in mice is promoted by naive mesenchymal stromal cells (MSC) and suppressed by poly(A:U)-conditioned MSC. AB - Mesenchymal stromal cells (MSC) transplantation is an actively studied therapeutic approach used in regenerative medicine and in the field of control of immunoinflammatory response. Conditioning of MSC in culture can form their predominantly pro- or anti-inflammatory phenotypes. We demonstrated that poly(A:U)-conditioning of bone marrow-derived mouse MSC induced predominantly pro inflammatory phenotype. The effects of administration of naive MSC (nMSC) or conditioned MSC (cMSC) on the course of mycobacterial infection were studied. BALB/c mice infected i.p. with 5 * 106 M. bovis BCG were successively injected i.v. with 0.75 * 106 of nMSC or cMSC in 11 and 12.5 weeks after infection and sacrificed at the week 14. Histological and bacteriological examination of BCG infected animals revealed low bacterial loads in liver, lungs and spleen; the bacterial load in spleen was higher than in other organs. Treatment with nMSC induced 3-fold increase of the number of bacteria in spleen granulomas, while cMSC decreased significantly the number of bacteria in BCG-positive granulomas. Analysis of preparations of organ homogenates by luminescent microscopy, MGIT cultures and CFU count on Lowenstein-Jensen medium revealed that nMSC promoted mycobacterial growth whereas cMSC suppressed mycobacterial growth significantly. We concluded that MSC therapy can be effective in mycobacterial infection, but only in a case of appropriate conditioning of the cells. PMID- 27865381 TI - The impact of Bacille Calmette-Guerin shortage on immunisation practice and policies in Europe - A Paediatric Tuberculosis Network European Trials Group (ptbnet) survey. AB - BACKGROUND: Recent reports indicate an ongoing BCG shortage that may influence immunisation practice. This study aimed to determine current availability of BCG vaccine across Europe, and implications on immunisation practices and policies in Europe. METHODS: Web-based survey among Paediatric Tuberculosis Network European Trials Group (ptbnet) members, between May and October 2015. RESULTS: Twenty individuals from 13 European countries participated. Ongoing shortages were reported in eight countries routinely using BCG (8/11, 73%). As a consequence of the shortage, BCG was not given as completely unavailable in some countries (2/8, 25%), was given only whenever available (1/8, 13%), or only in certain regions of the country (1/8, 13%). Strategies reported to reduce loss of immunisation were administration to selected high-risk individuals (2/8, 25%), or cohorting vaccinees on specific days to maximise the use of multi-dose vials (3/8, 38%). Authorities in two countries each were considering a change of manufacturer/supplier (2/8, 25%). CONCLUSIONS: The BCG shortage in Europe leads to significant changes in immunisation policies including changes of BCG vaccine strain and manufacturer. In addition, infants and children eligible for immunisation are at risk of not receiving BCG. To ensure necessary BCG immunisations, collaboration between national health agencies and vaccine manufacturers is crucial. PMID- 27865383 TI - Analytical and clinical performance characteristics of the Abbott RealTime MTB RIF/INH Resistance, an assay for the detection of rifampicin and isoniazid resistant Mycobacterium tuberculosis in pulmonary specimens. AB - Clinical management of drug-resistant tuberculosis patients continues to present significant challenges to global health. To tackle these challenges, the Abbott RealTime MTB RIF/INH Resistance assay was developed to accelerate the diagnosis of rifampicin and/or isoniazid resistant tuberculosis to within a day. This article summarizes the performance of the Abbott RealTime MTB RIF/INH Resistance assay; including reliability, analytical sensitivity, and clinical sensitivity/specificity as compared to Cepheid GeneXpert MTB/RIF version 1.0 and Hain MTBDRplus version 2.0. The limit of detection (LOD) of the Abbott RealTime MTB RIF/INH Resistance assay was determined to be 32 colony forming units/milliliter (cfu/mL) using the Mycobacterium tuberculosis (MTB) strain H37Rv cell line. For rifampicin resistance detection, the Abbott RealTime MTB RIF/INH Resistance assay demonstrated statistically equivalent clinical sensitivity and specificity as compared to Cepheid GeneXpert MTB/RIF. For isoniazid resistance detection, the assay demonstrated statistically equivalent clinical sensitivity and specificity as compared to Hain MTBDRplus. The performance data presented herein demonstrate that the Abbott RealTime MTB RIF/INH Resistance assay is a sensitive, robust, and reliable test for realtime simultaneous detection of first line anti-tuberculosis antibiotics rifampicin and isoniazid in patient specimens. PMID- 27865379 TI - Antibodies and tuberculosis. AB - Tuberculosis (TB) remains a major public health problem internationally, causing 9.6 million new cases and 1.5 million deaths worldwide in 2014. The Bacillus Calmette-Guerin vaccine is the only licensed vaccine against TB, but its protective effect does not extend to controlling the development of infectious pulmonary disease in adults. The development of a more effective vaccine against TB is therefore a pressing need for global health. Although it is established that cell-mediated immunity is necessary for the control of latent infection, the presupposition that such immunity is sufficient for vaccine-induced protection has recently been challenged. A greater understanding of protective immunity against TB is required to guide future vaccine strategies against TB. In contrast to cell-mediated immunity, the human antibody response against M.tb is conventionally thought to exert little immune control over the course of infection. Humoral responses are prominent during active TB disease, and have even been postulated to contribute to immunopathology. However, there is evidence to suggest that specific antibodies may limit the dissemination of M.tb, and potentially also play a role in prevention of infection via mucosal immunity. Further, antibodies are now understood to confer protection against a range of intracellular pathogens by modulating immunity via Fc-receptor mediated phagocytosis. In this review, we will explore the evidence that antibody-mediated immunity could be reconsidered in the search for new vaccine strategies against TB. PMID- 27865384 TI - The in vitro mechanisms of isoniazid and ethionamide resistance poorly reflect those in vivo in Mycobacterium tuberculosis. PMID- 27865385 TI - The characteristic profiles of PD-1 and PD-L1 expressions and dynamic changes during treatment in active tuberculosis. AB - PD-1 is a cell surface receptor of activated T and B lymphocytes and it's role in tuberculosis is controversial because of lack of congruence between clinical study and animal model. To investigate the immunological pathogenesis mechanisms of tuberculosis and to develop the immune therapy target essential for controlling tuberculosis, here we explored the expression characteristics and dynamic changes of PD-1/PD-L1 pathway in different CD4+T cell subsets. We enrolled 24 human subjects including 15 active tuberculosis (ATB) patients and 9 healthy donors (HD). The expressions of PD-1 and PD-L1 on CD4+T cells increased significantly in ATB patients than HD. ATB patients had a higher proportion of regulatory T cells (Treg, CD4+CD25 + Foxp3+) than HD. The expressions of PD-1 and PD-L1 increased remarkably on CD4+T cell subsets, including Treg cells, Tresp (CD4+CD25-) cells and Teff (CD4+CD25 + Foxp3-) cells. Finally, clinical improvement following effective anti-TB therapy is correlated with significantly decreased expression of PD-1 in Tresp and Teff cells, but not in Treg cells. Thus, expression profiles of PD-1 in T cell subpopulations may be used as a candidate to predict the clinical efficacy of anti-tuberculosis therapy. Modulation of PD-1/PD-L1 pathway in CD4 subsets may offer an immunotherapy target for the control of tuberculosis. PMID- 27865386 TI - Factors associated with anti-TB drug-induced hepatotoxicity and genetic polymorphisms in indigenous and non-indigenous populations in Brazil. AB - Anti-tuberculosis (TB) drugs are responsible for the occurrence of several adverse drug reactions (ADRs), including hepatotoxicity. The aim was to estimate the incidence of hepatotoxicity and its association with genetic polymorphisms and clinical-epidemiological factors by comparing indigenous and non-indigenous TB patients. We investigated clinical-epidemiological variables, serum levels of liver enzymes and NAT2, CYP2E1 and GSTM1 polymorphisms. A non-conditional logistic regression was used to identify the factors associated with hepatotoxicity. Odds ratios were used as the association measures. The incidence of hepatotoxicity was 19.7% for all patients. The risk of hepatotoxicity was almost four times higher in indigenous patients, comparing to non-indigenous. We identified a new nonsynonymous single nucleotide polymorphism of NAT2 in indigenous patients. In total, 54.6% of the patients expressed a slow acetylation phenotype profile. The frequency of the null genotype of GSTM1 was higher in non indigenous patients (p = 0.002), whereas no significant differences in relation to polymorphisms of CYP2E1 were observed between the groups. Hepatotoxicity was associated with patients older than 60 and indigenous (OR = 26.0; 95%CI:3.1 217.6; OR = 3.8; 95%CI:1.3-11.1, respectively). Furthermore, hepatotoxicity was associated with a slow acetylation profile in indigenous patients (OR = 10.7; 95%CI:1.2-97.2). Our findings suggest that there are distinct acetylation profiles in the Brazilian population, emphasizing the importance of pharmacogenetic analyses for achieving personalized therapeutic schemes and better outcomes. PMID- 27865387 TI - MicroRNA expression signatures in lungs of mice infected with Mycobacterium tuberculosis. AB - Tuberculosis (TB) is a major public health concern worldwide; however the factors that account for resistance or susceptibility to disease are not completely understood. Although some studies suggest that the differential expression of miRNAs in peripheral blood of TB patients could be useful as biomarkers of active disease, their involvement during the inflammatory process in lungs of infected individuals is unknown. Here, we evaluated the global expression of miRNAs in the lungs of mice experimentally infected with Mycobacterium tuberculosis on 30 and 60 days post-infection. We observed that several miRNAs were differentially expressed compared to uninfected mice. Furthermore, we verified that the expression of miR-135b, miR-21, miR-155, miR-146a, and miR-146b was significantly altered in distinct leukocyte subsets isolated from lungs of infected mice, while genes potentially targeted by those miRNAs were associated with a diversity of immune related molecular pathways. Importantly, we validated the inhibition of Pellino 1 expression by miR-135b in vitro. Overall, this study contributes to the understanding of the dynamics of miRNA expression in lungs during experimental TB and adds further perspectives into the role of miRNAs on the regulation of immune processes such as leukocyte activation. PMID- 27865388 TI - Quick and cheap MIRU-VNTR typing of Mycobacterium tuberculosis species complex using duplex PCR. AB - While minisatellites are usually typed using capillary sequencers or qiaplex systems in developed countries, many low-resource regions cannot afford it. We propose an optimized agarose gel electrophoresis method to genotype Mycobacterium tuberculosis species complex minisatellites in their standardized format (24 MIRU VNTR). It is based on duplex PCRs combining VNTR loci harboring distinct amplicon sizes whatever the repetition number of each locus. This method performs well both on DNA extracts of good quality and on thermolysates while reducing workload and reagents costs. PMID- 27865389 TI - Mycobacterium indicus pranii as a booster vaccine enhances BCG induced immunity and confers higher protection in animal models of tuberculosis. AB - BCG, the only approved vaccine protects against severe form of childhood tuberculosis but its protective efficacy wanes in adolescence. BCG has reduced the incidence of infant TB considerably in endemic areas; therefore prime-boost strategy is the most realistic measure for control of tuberculosis in near future. Mycobacterium indicus pranii (MIP) shares significant antigenic repertoire with Mtb and BCG and has been shown to impart significant protection in animal models of tuberculosis. In this study, MIP was given as a booster to BCG vaccine which enhanced the BCG mediated immune response, resulting in higher protection. MIP booster via aerosol route was found to be more effective in protection than subcutaneous route of booster immunization. Pro-inflammatory cytokines like IFN-gamma, IL-12 and IL-17 were induced at higher level in infected lungs of 'BCG-MIP' group both at mRNA expression level and in secretory form when compared with 'only BCG' group. BCG-MIP groups had increased frequency of multifunctional T cells with high MFI for IFN-gamma and TNF-alpha in Mtb infected mice. Our data demonstrate for the first time, potential application of MIP as a booster to BCG vaccine for efficient protection against tuberculosis. This could be very cost effective strategy for efficient control of tuberculosis. PMID- 27865391 TI - Modulation of dendritic cell and monocyte subsets in tuberculosis-diabetes co morbidity upon standard tuberculosis treatment. AB - Type 2 diabetes mellitus (DM) is a major risk factor for the development of active pulmonary tuberculosis (PTB), with development of DM pandemic in countries where tuberculosis (TB) is also endemic. However, the effect of anti-TB treatment on the changes in dentritic cell (DC) and monocyte subset phenotype in TB-DM co morbidity is not well understood. In this study, we characterized the frequency of DC and monocyte subsets in individuals with PTB with (PTB-DM) or without coincident diabetes mellitus (PTB-NDM) before, during and after completion of anti-TB treatment. PTB-DM is characterized by diminished frequencies of plasmacytoid and myeloid DCs and classical and intermediate monocytes at baseline and 2 months of anti-TB treatment but not following 6 months of treatment completion in comparison to PTB-NDM. DC and monocyte subsets exhibit significant but borderline correlation with fasting blood glucose and glycated hemoglobin levels. Finally, while minor changes in the DC and monocyte compartment were observed at 2 months of treatment, significantly increased frequencies of plasmacytoid and myeloid DCs and classical and intermediate monocytes were observed at the successful completion of anti-TB treatment. Our data show that coincident diabetes alters the frequencies of innate subset distribution of DC and monocytes in TB-DM co-morbidity and suggests that most of these changes are reversible following anti-TB therapy. PMID- 27865392 TI - Mycobacterium indicus pranii (MIP) mediated host protective intracellular mechanisms against tuberculosis infection: Involvement of TLR-4 mediated signaling. AB - Mycobacterium tuberculosis infection inflicts the disease Tuberculosis (TB), which is fatal if left untreated. During M. tuberculosis infection, the pathogen modulates TLR-4 receptor down-stream signaling, indicating the possible involvement of TLR-4 in the regulation of the host immune response. Mycobacterium indicus pranii (MIP) possesses immuno-modulatory properties which induces the pro inflammatory responses via induction of TLR-4-mediated signaling. Here, we observed the immunomodulatory properties of MIP against tuberculosis infection. We have studied the detailed signaling mechanisms employed by MIP in order to restore the host immune response against the in vitro tuberculosis infection. We observed that in infected macrophages MIP treatment significantly increased the TLR-4 expression as well as activation of its downstream signaling, facilitating the activation of P38 MAP kinase. MIP treatment was able to activate NF-kappaB via involvement of TLR-4 signaling leading to the enhanced pro-inflammatory cytokine and NO generation in the infected macrophages and generation of protective immune response. Therefore, we may suggest that, TLR4 may represent a novel therapeutic target for the activation of the innate immune response during Tuberculosis infection. PMID- 27865390 TI - Alternative BCG delivery strategies improve protection against Mycobacterium tuberculosis in non-human primates: Protection associated with mycobacterial antigen-specific CD4 effector memory T-cell populations. AB - Intradermal (ID) BCG injection provides incomplete protection against TB in humans and experimental models. Alternative BCG vaccination strategies may improve protection in model species, including rhesus macaques. This study compares the immunogenicity and efficacy of BCG administered by ID and intravenous (IV) injection, or as an intratracheal mucosal boost (ID + IT), against aerosol challenge with Mycobacterium tuberculosis Erdman strain. Disease pathology was significantly reduced, and survival improved, by each BCG vaccination strategy, relative to unvaccinated animals. However, IV induced protection surpassed that achieved by all other routes, providing an opportunity to explore protective immunological mechanisms using antigen-specific IFN-gamma ELISpot and polychromatic flow cytometry assays. IFN-gamma spot forming units and multifunctional CD4 T-cell frequencies increased significantly following each vaccination regimen and were greatest following IV immunisation. Vaccine-induced multifunctional CD4 T-cells producing IFN-gamma and TNF-alpha were associated with reduced disease pathology following subsequent M.tb challenge; however, high frequencies of this population following M.tb infection correlated with increased pathology. Cytokine producing T-cells primarily occupied the CD4 transitional effector memory phenotype, implicating this population as central to the mycobacterial response, potentially contributing to the stringent control observed in IV vaccinated animals. This study demonstrates the protective efficacy of IV BCG vaccination in rhesus macaques, offering a valuable tool for the interrogation of immunological mechanisms and potential correlates of protection. PMID- 27865394 TI - Recent developments in genomics, bioinformatics and drug discovery to combat emerging drug-resistant tuberculosis. AB - Emergence of drug-resistant tuberculosis (DR-TB) is a big challenge in TB control. The delay in diagnosis of DR-TB leads to its increased transmission, and therefore prevalence. Recent developments in genomics have enabled whole genome sequencing (WGS) of Mycobacterium tuberculosis (M. tuberculosis) from 3-day-old liquid culture and directly from uncultured sputa, while new bioinformatics tools facilitate to determine DR mutations rapidly from the resulting sequences. The present drug discovery and development pipeline is filled with candidate drugs which have shown efficacy against DR-TB. Furthermore, some of the FDA-approved drugs are being evaluated for repurposing, and this approach appears promising as several drugs are reported to enhance efficacy of the standard TB drugs, reduce drug tolerance, or modulate the host immune response to control the growth of intracellular M. tuberculosis. Recent developments in genomics and bioinformatics along with new drug discovery collectively have the potential to result in synergistic impact leading to the development of a rapid protocol to determine the drug resistance profile of the infecting strain so as to provide personalized medicine. Hence, in this review, we discuss recent developments in WGS, bioinformatics and drug discovery to perceive how they would transform the management of tuberculosis in a timely manner. PMID- 27865395 TI - Innovative Tuberculosis Symposium held during Cuba Salud 2015. AB - The fourth Tuberculosis (TB) Symposium, held during the Cuba Salud 2015 International Convention, highlighted advancements in research on TB and Mycobacterium tuberculosis (Mtb) by interdisciplinary teams from academic and federal institutions in Cuba, Colombia, Mexico, and the Dominican Republic. Delegates focused on the targets presented in the World Health Organization End TB Strategy for 2016-2035 and elaborated on four primary themes: 1) attention to vulnerable populations such as immunocompromised individuals, health care workers, and residents of long-term institutions such as prisons and nursing homes; 2) identification of active and latent TB cases through contact investigations; 3) spread and control of drug-resistant Mtb strains; and 4) advancements in the development of novel vaccines or "booster" immunizations. This international TB forum served as a platform for experts in diverse disciplines in these Latin American countries to discuss challenges faced by TB research and control programs, proposing novel research initiatives and promoting collaborative teamwork strategies for TB elimination. In solidarity, collaborative efforts in TB control require identification of symptomatic individuals, rapid diagnostic testing for TB, drug susceptibility assays on Mtb strains, and management that provide universal and gratuitous access to directly observed short-course therapy. PMID- 27865393 TI - Selective reduction of IFN-gamma single positive mycobacteria-specific CD4+ T cells in HIV-1 infected individuals with latent tuberculosis infection. AB - HIV-1 is recognized to increase the risk for tuberculosis even before CD4+ T cell deficiency is profound. To better understand how HIV-1 alters immunity to latent tuberculosis, we compared the magnitude and functional profile of mycobacteria specific CD4+ T cells between HIV-uninfected and HIV-infected individuals, using flow cytometry. In HIV-1 infection, IFN-gamma single positive mycobacteria specific CD4+ T cells were decreased, while the frequency of polyfunctional cells (IFN-gamma+IL-2+TNF-alpha+) remained unchanged. Moreover, the proportion of IFN gamma single positive cells correlated inversely with viral replication. Our results suggest that HIV-1 affects mycobacteria-specific cells differentially, depending on their functional capacity. PMID- 27865398 TI - Primate models of tuberculosis. Faith-based or evidence-based science. PMID- 27865396 TI - Mycobacterium smegmatis proteoliposome induce protection in a murine progressive pulmonary tuberculosis model. AB - Tuberculosis (TB) remains an important cause of mortality and morbidity. The TB vaccine, BCG, is not fully protective against the adult form of the disease and is unable to prevent its transmission although it is still useful against severe childhood TB. Hence, the search for new vaccines is of great interest. In a previous study, we have shown that proteoliposomes obtained from Mycobacterium smegmatis (PLMs) induced cross reactive humoral and cellular response against Mycobacterium tuberculosis (Mtb) antigens. With the objective to evaluate the protective capability of PLMs, a murine model of progressive pulmonary TB was used. Animals immunized with PLMs with and without alum (PLMs/PLMsAL respectively) showed protection compared to non-immunized animals. Mice immunized with PLMsAL induced similar protection as that of BCG. Animals immunized with BCG, PLMs and PLMsAL showed a significant decrease in tissue damage (percentage of pneumonic area/lung) compared to non-immunized animals, with a more prominent effect in BCG vaccinated mice. The protective effect of the administration of PLMs in mice supports its future evaluation as experimental vaccine candidate against Mtb. PMID- 27865397 TI - Transmission of multi-drug resistant tuberculosis in Mongolia is driven by Beijing strains of Mycobacterium tuberculosis resistant to all first-line drugs. AB - BACKGROUND: Mongolia has high and rising rates of multi-drug resistant tuberculosis (MDR-TB). Spatio-temporal and programmatic evidence suggests a major contribution from MDR-TB transmission, but genotypic evidence has not been assessed. METHODS: All MDR-TB cases identified during 2012 were examined. Demographic and bacteriological data were obtained from the National Tuberculosis Reference Laboratory. Isolates of Mycobacterium tuberculosis from culture confirmed category 1 treatment failures were genotyped using 24-loci mycobacterium interspersed repetitive unit (MIRU-24) analysis. RESULTS: Of the 210 MDR-TB cases identified, 115 (54.8%) were treatment failures (34.8% category 1; 20.0% category 2). Streptomycin resistance was present in 156 (74.3%) cases; including 55/73 (75.3%) category 1 treatment failures who had never been exposed to streptomycin. Among category 1 treatment failures, Beijing lineage strains predominated (88.0%; 59/67 of genotyped isolates). MIRU-24 clustering was documented in 62.7% (42/67) of strains; 55.2% (37/67) remained clustered when drug susceptibility test results were considered. In total 59.5% (25/42) of clustered strains were Beijing lineage and demonstrated in-vitro resistance to all first-line drugs tested. CONCLUSION: The MDR-TB epidemic in Mongolia appears to be driven by primary transmission of Beijing lineage strains resistant to all first-line drugs. Enhanced infection control strategies together with early MDR TB case detection and appropriate treatment are necessary to limit escalation of the MDR-TB epidemic. PMID- 27865399 TI - High body mass index is associated with heightened systemic and mycobacterial antigen - Specific pro-inflammatory cytokines in latent tuberculosis. AB - High body mass index (HBMI) has been shown to be protective against active tuberculosis (TB), although the biological mechanism underlying this protection is poorly understood. The immunological association between HBMI and latent TB has never been examined. In order to study the association of HBMI with latent TB, we examined the circulating and TB- antigen or mitogen stimulated levels of a large panel of cytokines in individuals with latent TB (LTB) and high or normal body mass index (HBMI or NBMI). HBMI is characterized by heightened circulating levels of pro-inflammatory (IFNgamma, TNFalpha, IL-22, IL-1alpha, IL-12 and GM CSF) cytokines but decreased circulating levels of anti-inflammatory cytokines (IL-4, IL-5 and TGFbeta). This systemic cytokine profile is associated with elevated TB-antigen and mitogen stimulated levels of IFNgamma, TNFalpha, IL-2 and IL-1alpha and diminished levels of IL-10 and TGFbeta. In addition, we also observed a positive correlation between the circulating levels of IFNgamma, TNFalpha, IL-22, IL-1alpha with BMI and a negative correlation between the circulating levels of IL-10, TGFbeta and BMI. Our data, therefore, suggest the modulation of protective and regulatory cytokines might underlie the protective effect of HBMI against the development of active TB. PMID- 27865400 TI - New Mycobacterium tuberculosis LAM sublineage with geographical specificity for the Old World revealed by phylogenetical and Bayesian analyses. AB - We recently showed that the Mycobacterium tuberculosis sublineage LAM9 could be subdivided as two distinct subpopulations - each reflecting its unique biogeographical structure and evolutionary history. We subsequently attempted to verify if this genetic structuration could be traced in an enlarged global sample. For this purpose, we analyzed global evolutionary relationships of LAM strains in a large dataset (n = 1923 isolates from 35 countries worldwide) with concomitant spoligotyping and MIRU-VNTR data, followed by a deeper analysis of LAM9 sublineage (n = 851 isolates). Based on a combination of phylogenetical analysis and Bayesian statistics, a total of three different clusters, tentatively named LAM9C1, C2 and C3 were described in this dataset. Closer inspection of the phylogenetic tree with concomitant data on origin of isolates with genetic clusterization revealed LAM9C3 being the most tightly knit group exclusively found in the Old World as opposed to LAM9C2 being a loosely-knit group without any phylogeographical specificity; while LAM9C1 appeared with a majority of strains being well-clustered despite some isolates that intermixed with unrelated LAM clusters. Subsequently, we hereby describe a new M. tuberculosis LAM sublineage named LAM9C3 with phylogeographical specificity for the Old World. These findings open new perspectives to study respective migration histories and adaptation to human hosts of specific M. tuberculosis clones during the exploration and conquest of the New World. We therefore plan to reevaluate the nomenclature and evolutionary history of various LAM sublineages using Whole Genome Sequencing (WGS). PMID- 27865401 TI - Relating annual migration from high tuberculosis burden country of origin to changes in foreign-born tuberculosis notification rates in low-medium incidence European countries. AB - The level of immigration from high tuberculosis (TB) burden countries (HBCs) which impacts on the foreign-born TB notification rate is largely unknown. In this work, we performed a cross-sectional analysis of epidemiological data from 2000 to 2013 from nine European countries: Austria, Denmark, Finland, Hungary, Netherlands, Norway, Spain, Sweden, and the United Kingdom. Crude notification rates were calculated for foreign- and native-born populations and a multiple linear regression model predicting notification rates with HBC population data was generated. From 2000 to 2013, the population percentage with a foreign birthplace increased on average each year in all nine countries, ranging from +0.11%/year in the Netherlands to +0.66%/year in Spain. An annual increase in HBC migrants above +0.43% per year (95% Confidence Interval: 0.24%-0.63%) corresponded with higher TB notification rates in the foreign-born population of the countries analyzed. This indicates that migration from HBCs can exert a measurable effect on the foreign-born TB notification rate. However, an increase in the foreign-born TB notification rate coincided with an average annual rise in national TB notification rates only in countries, Norway (+3.85%/year) and Sweden (+2.64%/year), which have a high proportion (>80%) of TB cases that are foreign born. PMID- 27865402 TI - Some proteins of M. tuberculosis that localise to the nucleus of THP-1-derived macrophages. AB - Host-pathogen dialectics in tuberculosis (TB) via DNA-protein interactions are emerging. We investigated whether proteins produced by Mycobacterium tuberculosis (Mtb) could translocate to the host nucleus. Using lysates of nuclei purified from Mtb-infected THP-1-derived macrophages, we identified at least 15 proteins of Mtb-origin by electrophoretic and chromatographic separation and mass spectrometry. Western blotting confirmed time-dependent accumulation of Mtb EF Tu, GroEL, GroES and MtrA in the host nucleus. MtrA could pull down at least 16 host proteins. Mtb proteins may have moonlighting functions that affect host gene expression. PMID- 27865403 TI - Propidium monoazide and Xpert MTB/RIF to quantify Mycobacterium tuberculosis cells. AB - Propidium monoazide (PMA) penetrates non-viable cells with compromised membranes. PMA has been proposed to improve the specificity of Xpert MTB/RIF (Xpert) for the detection of viable Mycobacterium tuberculosis. This study assessed the effect of PMA on Xpert cycle thresholds (CT) of M. tuberculosis made non-viable under antibiotic pressure. In vitro, we measured the difference between CT with and without PMA (DeltaCT) in liquid cultures treated with one of six anti tuberculosis drugs (isoniazid, rifampin, pyrazinamide, ethambutol, streptomycin, moxifloxacin) and found significant DeltaCT only with isoniazid and ethambutol for pan-susceptible M. tuberculosis and only with ethambutol for extensively drug resistant M. tuberculosis. In the clinic we assessed DeltaCT in sputum samples collected from patients with pulmonary tuberculosis before and at regular intervals over 12 weeks after initiation of treatment. Before treatment start, estimated CT were 19.3 (95% CI: 17.1-21.4) and 19.8 (95% CI: 17.6-22.1) without and with PMA, respectively. Under treatment CT increased by 2.54 per ??day (95% CI: 1.38-3.69) without PMA and an additional 0.55 per ??day (95% CI: 0.37-0.74; p < 0.0001) with PMA. We conclude that PMA increases the specificity of Xpert for viable M. tuberculosis but the effect is small and dependent on the antibiotics used. PMID- 27865404 TI - Formulation studies of InhA inhibitors and combination therapy to improve efficacy against Mycobacterium tuberculosis. AB - Previously, structure-based drug design was used to develop substituted diphenyl ethers with potency against the Mycobacterium tuberculosis (Mtb) enoyl-ACP reductase (InhA), however, the highly lipophilic centroid compound, SB-PT004, lacked sufficient efficacy in the acute murine Mtb infection model. A next generation series of compounds were designed with improved specificity, potency against InhA, and reduced cytotoxicity in vitro, but these compounds also had limited solubility. Accordingly, solubility and pharmacokinetics studies were performed to develop formulations for this class and other experimental drug candidates with high logP values often encountered in drug discovery. Lead diphenyl ethers were formulated in co-solvent and Self-Dispersing Lipid Formulations (SDLFs) and evaluated in a rapid murine Mtb infection model that assesses dissemination to and bacterial burden in the spleen. In vitro synergy studies were performed with the lead diphenyl ether compounds, SB-PT070 and SB PT091, and rifampin (RIF), which demonstrated an additive effect, and that guided the in vivo studies. Combinatorial therapy in vivo studies with these compounds delivered in our Self-Micro Emulsifying Drug Delivery System (SMEDDS) resulted in an additional 1.4 log10 CFU reduction in the spleen of animals co-treated with SB PT091 and RIF and an additional 1.7 log10 reduction in the spleen with animals treated with both SB-PT070 and RIF. PMID- 27865405 TI - Identification of SP110 in horse (Equus caballus): Isolation of novel splice variants and evidence of activation effects on macrophages. AB - SP110 has previously shown to be a genetic determinant of host resistance to the intracellular pathogen infection in mouse and human. However, its relevant biological information in large non-primate animals still remains unknown. Here we report the novel discovery and characterization of three transcript variants of horse SP110. The transcript variant 1 (Tv1) of horse SP110 with the longest open reading frame has four domains (Sp100, SAND, PHD and Bromo domain). Tv2 and Tv3 share the same N-terminal sequence as Tv1, which contains Sp100 and SAND. We show that Tv2 is generated from alternative splicing and deletion of Exon17 Exon18 segment, while Tv3 is generated by pre-mature transcriptional termination at Exon 16. Furthermore, we demonstrate that the heterologous expression of horse SP110 variants stimulate macrophages into an activation-like phenotype. The macrophages underwent a shift in enhancing the secretion of cytokines (interleukin-1 (IL-1) and TNF-alpha) and accelerating inducible nitric oxide synthase (iNOS) activity, and eventually went into apoptotic cell death. Intriguingly, horse SP110 Tv1 showed more capability to trigger the immune activities compared to Tv2 and Tv3. To our knowledge, the identification of SP110 transcript variants from horse is the first report on biological function of SP110 in perissodactyla animals. PMID- 27865406 TI - An adverse immune-endocrine profile in patients with tuberculosis and type 2 diabetes. AB - Diabetes is a risk factor for the development of pulmonary tuberculosis (TB) and both diseases present endocrine alterations likely to play a role in certain immuno-endocrine-metabolic associated disorders. Patients with TB, or with TB and type 2 diabetes (TB + T2DM) and healthy controls (HCo) were assessed for plasma levels of cortisol, dehydroepiandrosterone (DHEA), estradiol, testosterone, growth hormone (GH), prolactin, insulin-like growth factor-1 (IGF-1), cytokines (IL-6, IL-10, IFN-gamma) and the specific lymphoproliferative capacity of peripheral blood mononuclear cells. All patients had higher levels of cortisol with a reduction in DHEA, thus resulting in an increased cortisol/DHEA ratio (Cort/DHEA). Increased prolactin and particularly GH levels were found in both groups of TB patients. This was not paralleled by increased concentrations of IGF, which remained within the levels of HCo. Estradiol levels were significantly augmented in patients TB, and significantly more in TB + T2DM, whereas testosterone levels were decreased in both groups of patients. IFN- gamma and IL 6 concentrations were significantly increased in all TB, even further in TB + T2DM; while IL-10 was equally increased in both groups of TB patients. The in vitro specific proliferative capacity was decreased in both groups of patients as compared to that of HCo. The adverse immune-endocrine profile of TB seems to be slightly more pronounced in patients who also have T2DM. PMID- 27865407 TI - Resveratrol prevents capacitation-like changes and improves in vitro fertilizing capability of buffalo frozen-thawed sperm. AB - The aim of this study was to evaluate the effect of resveratrol supplementation of semen extender on fertility parameters of frozen-thawed buffalo sperm. After the initial semen assessment, buffalo semen was cryopreserved in BioXcell containing 0 (control group), 0.5, 1, 10, and 50-MUM resveratrol. After thawing, viability, motility, and capacitation status (assessed by localization of phosphotyrosine-containing proteins) were evaluated. Based on the results of the dose-response trial, the concentration of 50 MUM was selected for further assessments, such as membrane integrity, total antioxidant capacity, reactive oxygen species, and lipid peroxidation (LPO) levels. Moreover, in vitro fertilizing ability by heterologous IVF and in vivo fertility were assessed. No differences among groups were recorded in sperm motility and viability (on average 52.3 +/- 2.1% and 76.6 +/- 1.3%, respectively). However, data showed a resveratrol dose-dependent effect on sperm capacitation status, with a significant reduction of the cryopreservation-induced capacitation with the higher concentrations tested. In particular, both 10- and 50-MUM resveratrol increased (P < 0.01) the percentage of sperm displaying pattern A (low capacitation level), but treatment with 50-MUM resveratrol also decreased (P < 0.01) the proportion of sperm exhibiting pattern EA (high-capacitation level) compared with the control. Interestingly, supplementation of semen extender with resveratrol increased membrane integrity, indicated by the higher percentage of hypo-osmotic swelling positive sperm (55.6 +/- 0.6 vs. 48.4 +/- 0.7; P < 0.01), and total antioxidant capacity (1.36 +/- 0.01 vs. 1.32 +/- 0.02 mM/L; P < 0.05) compared with the control. Intracellular reactive oxygen species decreased in resveratrol-treated sperm compared with the control, as indicated by dihydroethidium values (0.17 +/- 0.01 and 0.22 +/- 0.01 MUM/MUL dihydroethidium, respectively; P < 0.01). Moreover, when IVF was carried out by using semen treated with 50 MUM resveratrol, the normal fertilization rate considerably improved (60.8%, P < 0.05) compared with the control (51.3%). However, no differences were recorded in pregnancy rates at 60 days post-AI with resveratrol treated semen (50 MUM) compared with the control (48.7 vs. 46.5%, respectively). In conclusion, the inclusion of 50-MUM resveratrol in the extender decreases capacitation-like changes and oxidative stress, improving membrane stability and in vitro fertilizing ability of buffalo semen. PMID- 27865408 TI - Progesterone and ultrasonographic changes during aglepristone or cloprosternol treatment in queens at 21 to 22 or 35 to 38 days of pregnancy. AB - Progesterone (P4) is a requirement for pregnancy development. Previous reports observed a maximal value of serum P4 concentration on 21 days after the first mating after which it slowly declines throughout the rest of pregnancy. Ultrasound examination should be performed to ensure that pregnancy interruption is complete. Limited information is available on the ultrasonic appearance of conceptuses during pregnancy termination in cats The objective was to study serum P4 concentration and ultrasonographic changes during aglepristone (ALI) or cloprostenol (CLO) treatment and to evaluate the fertility after treatment. Two experiments (EXP) were carried out to accomplish this aim. Sixty queens, 12- to 36-month-old, were used. On Days 21 to 22 of pregnancy (EXP I) or 35 to 38 of pregnancy (EXP II), queens were divided into three groups (G). Queens in G1 received ALI (10 mg/kg, sc; EXP I, n = 10; EXP II, n = 10) for 2 consecutive days. Queens in G2 received CLO (5 MUg/kg, sc; EXP I, n = 10; EXP II = 10) for 3 consecutive days. Queens in G3 received 1 mL of saline solution (PLA, sc; EXP I, n = 10; EXP II = 10). Blood samples were taken before treatment (Day 0) and every day during 10 days after the treatment to measure serum P4 concentrations. Likewise, after treatment, queens were monitored daily by ultrasonography for 10 days and weekly until the end of gestation to obtain gestational sacs measurements (GS), fetal measurements, and fetal biophysical profile. Data were analyzed by ANOVA. Serum P4 concentrations were significantly different on Day 6 (EXP I) and on Day 1 (EXP II) in ALI and CLO groups compared with PLA group (P < 0.05 and P < 0.01; respectively). The ultrasonographic monitoring during treatment allowed assessing changes in the GS and fetal measurements, embryo fetal viability, and risk of pregnancy loss. In conclusion, the results from this study reported changes in serum P4 concentration and in ultrasonography measurements during pregnancy interruption with ALI or CLO treatment. Also it was observed that ALI and CLO are safe drugs and can preserve posttreatment queen fertility. Therefore, the results obtained in our work will be applied in feline reproduction practice. PMID- 27865409 TI - High somatic cell counts and changes in milk fat and protein contents around insemination are negatively associated with conception in dairy cows. AB - The fertility of dairy cows has decreased dramatically worldwide over the last few decades, and several causes of this trend have been reported. Several studies have associated compromised udder health with deteriorating reproduction performance. Subclinical ketosis (SCK) has also been reported to be a risk factor for decreased conception. The objective of the present study was to describe how SCK might interact with the reported association between udder health and conception in dairy cows. Data from the French Milk Control Program and data on 8,549,667 instances of artificial insemination (AI) and their corresponding preceding and subsequent test-days from 5,979,701 Holstein cows were examined over a 5-year period (2008-2012). The effect of udder health was evaluated through a low (L) or high (H) somatic cell count (SCC) before and after AI using a threshold of 200,000 cells/mL, and transformed into four groups (LL, LH, HL, and HH). Three proxies for defining SCK were proposed based on the milk fat and protein content (or their ratio) before AI. Statistical analysis first included a generalized additive model to help define the optimal threshold values. Next, a logistic regression with a Poisson correction was performed. On average, the risk of conception at first AI was reduced by 14% for LH or HH cows (relative risk [and 95% CI] = 0.86 [0.85-0.87]) when the SCC increased or remained high within 40 days before and after AI, relative to LL group. The reduction of conception success associated with SCK (fat and protein contents changes) varied from 3% to 17% depending on the used SCK proxy. Including the interaction term SCC*SCK clearly showed that the association of increased SCC around AI with conception success was modified by the presence of SCK. A cow that already has SCK and experiences an increase in SCC around or after AI exhibits up to 2 times further decrease in conception success compared with a cow with a high SCC and no SCK. In conclusion, this study reinforces the previously described association between intramammary inflammation around or after AI and a decreased rate of conception. These findings highlight how SCK interacts with the above-mentioned relationship by strengthening the negative association between mastitis and conception success. In addition, the present work supports the theory that local inflammation may affect the whole-body response and alter the functions of other organs, such as the reproductive tract. PMID- 27865410 TI - Comparative analysis of testis transcriptomes associated with male infertility in cattleyak. AB - Cattleyak exhibit equivalent adaptability to harsh environment as yak and much higher performances than yak. However, male infertility of cattleyak due to spermatogenic arrest greatly restricts their effective utilization in yak breeding. Although much work has been done to investigate the mechanisms of spermatogenic arrest, there is little information available in regard to the differences in transcriptomic profiling between cattleyak and yak testes. In this work, histologic observation indicated that spermatogonia were the main type of germ cells present in cattleyak testis, whereas all types of germ cells in differentiation were present in yak testis. Transcriptomic profiling identified 2960 differentially expressed genes (DEGs) in which 679 were upregulated and 2281 were downregulated in cattleyak. Significantly enriched gene ontology terms comprised a large number of DEGs associated with male infertility of cattleyak. The upregulation of STRA8 and NLRP14 may be associated with the accumulation of undifferentiated spermatogonial cells and serious cellular apoptosis in cattleyak. However, downregulated SPP1, SPIN2B, and PIWIL1 were associated with cell cycle progression and spermatogonial genome integrity, whereas CDKN2C, CYP26A1, OVOL1, GGN, MAK, INSL6, RNF212, TSSK1B, TSSK2, and TSSK6 were involved in meiosis. Furthermore, scores of genes associated with sperm components were also downregulated in cattleyak. Wnt/beta-catenin signaling pathway was involved in the top-listed three significantly enriched pathways, and the downregulation of Wnt3a, PP2A, and TCF/LEF-1 may have contributed to the arrest of spermatogonial differentiation in cattleyak. The data suggest that spermatogenic arrest of cattleyak might occur at the stage of spermatogonial differentiation and get aggravated during meiosis, which results in minimal number of sperms with morphologic abnormalities and structural deficiency lacking fertilization ability. PMID- 27865411 TI - Low levels of apoptotic-like changes in fresh and cryopreserved feline spermatozoa collected from the urethra and epididymis. AB - The aim of this study was to examine apoptotic markers in fresh and frozen-thawed feline spermatozoa collected via urethral catheterization and epididymal slicing. Caspase activation, DNA fragmentation, and phosphatidylserine externalization were evaluated using flow cytometry in sperm cells from both sources before and after cryopreservation. The study revealed no differences between urethral and epididymal spermatozoa, both in fresh and frozen-thawed samples. The level of apoptotic changes in sperm cells in fresh feline semen was low: 0.8 +/- 0.8% of live urethral and 0.4 +/- 0.4% of live epididymal spermatozoa showed active caspases; 1.6 +/- 0.9% and 2.1 +/- 1.9%, respectively, showed DNA fragmentation; and 0.3 +/- 0.2% and 1.0 +/- 1.3%, respectively, showed phosphatidylserine externalization. In both types of sperm cells, cryopreservation did not induce a significant increase in caspase activation (urethral: from 3.9 +/- 3.2% to 7.5 +/ 5.0%; epididymal: from 4.7 +/- 2.9% to 11.7 +/- 8.5%). In urethral spermatozoa, phosphatidylserine externalization in live cells was significantly (P < 0.05) increased after thawing (from 0.3 +/- 0.2% to 2.7 +/- 2.5%). This increase was not noted for epididymal spermatozoa (from 1.0 +/- 1.3% to 1.7 +/- 1.3%). No significant changes in DNA fragmentation were observed (2.1 +/- 0.8% and 1.7 +/- 1.0%). In conclusion, both urethral and epididymal feline spermatozoa showed equally low levels of apoptotic-like changes. Hence, apoptotic alterations seem to play only a minor role, if any, in urethral and epididymal feline spermatozoa. The deterioration of sperm quality after freezing and thawing is more likely connected with direct damage to the cells than to activation of apoptotic processes. PMID- 27865412 TI - Expression and localization of matrix metalloproteinases (MMP-2, -7, -9) and their tissue inhibitors (TIMP-2, -3) in the chicken oviduct during pause in laying induced by tamoxifen. AB - Induced pause in egg laying simulates natural molting events in which the hen's reproductive organs regress and rejuvenate. Such processes require extracellular matrix remodeling that is maintained, at least in part, by the action of proteolytic enzymes known as matrix metalloproteinases (MMPs). Nevertheless, information concerning the expression and hormonal regulation of MMP system members in chickens is scarce. Therefore, MMP-2, -7, and -9 and their tissue inhibitors (TIMP-2, -3) expression and localization were investigated in all segments of the domestic hen oviduct (infundibulum, magnum, isthmus, shell gland, vagina) during a pause in egg laying induced by tamoxifen (TMX)-an estrogen receptor modulator. Hy-Line Brown hens were treated daily with TMX (n = 6) at a dose of 6 mg/kg of body weight or a vehicle (n = 6) until complete cessation of egg laying (for 7 days). Chickens were decapitated on Day 7 of the experiment. Real-time polymerase chain reaction and Western blotting revealed section dependent expression of MMP-2, -7, -9 and TIMP-2 and -3. Immunohistochemistry found tissue and cell-dependent localization of examined proteins in the wall of the oviduct. The MMP-2, TIMP-2, and TIMP-3 were localized mainly in the luminal epithelium, MMP-7 in the luminal and glandular epithelium, whereas MMP-9 was detected only in the connective tissue. Treatment of chickens with TMX markedly elevated the relative expression of MMP-7 and MMP-9 mRNA in the oviduct, but did not affect MMP-2, TIMP-2, and TIMP-3 mRNA levels. However, TMX increased the MMP 2 protein level in the infundibulum, shell gland, and vagina as well as activity of MMP-2 evaluated by gelatin zymography. The results obtained indicate that MMP 2, MMP-7, and MMP-9 are involved in chicken oviduct regression. Moreover, changes in the expression and activity of chosen MMPs after TMX treatment may indicate a contribution of estrogen in the regulation of transcription, translation, and/or the activity of selected elements of the MMP system. PMID- 27865413 TI - Evaluation of chlorhexidine hydrochloride treatment on endometrial health of normal mares. AB - Chlorhexidine gluconate solution is a potent antimicrobial and therefore could be used effectively for treatment of endometritis, but historically this substance has been implicated as irritating to mucous membranes, including the endometrium of the mare. The use of chlorhexidine hydrochloride suspension (Nolvasan Suspension, Zoetis, Florham Park, NJ, USA) was evaluated in the uterus of normal mares to determine if adverse effects on endometrial health were noted. Twelve healthy, adult light breed mares were included in this study. Procedures were approved by the Auburn University Institutional Animal Care and Use Committee. All mares were determined to be reproductively normal by evaluation of endometrial histopathology, cytology, and bacterial culture. Mares were randomly assigned to treatment or control groups (n = 6 per group). Each mare was treated during estrus with an intrauterine infusion of 1 g (28 mLs per tube; 35.7 mg/mL) of chlorhexidine hydrochloride suspension (treatment group) or an equal volume of lactated ringer's solution (control group) once daily for 3 consecutive days. Biopsy and cytology samples were taken 3, 7, and 14 days after completion of treatment. Cytology and biopsy samples were read by a board-certified pathologist (L.N.) blinded to treatments, and biopsy samples were graded using a standardized Kenney-Doig score. There was no difference with respect to biopsy grade, degree of endometrial fibrosis, or presence of cytologic inflammation comparing control and treatment groups (P = 0.55, 0.7, and 0.06, respectively), neither when accounting for sampling day. The suspension was visible within the uterine lumen when mares were examined with transrectal ultrasonography for up to 4 days after treatment. Treatment with chlorhexidine hydrochloride in this formulation and at this concentration does not appear to have a deleterious effect on short term endometrial health in mares. PMID- 27865414 TI - Association between polymorphisms in somatotropic axis genes and fertility of Holstein dairy cows. AB - The aim of this study was to determine the effect of growth hormone receptor (GHR) AluI, insulin-like growth factor type 1 (IGF-I) SnaBI, and signal transducer and activator 5A (STAT5A) BstEII polymorphisms in the reproductive performance of Holstein dairy cows and the frequency of this genotypes in cows managed in different systems. This work studied 381 and 506 Holstein cows from semiextensive and intensive systems, respectively. The frequency of genotypes GHRAluI (+/-), IGF-ISnaBI (-/-) and (+/-), and STAT5ABstEII (-/-) was higher in animals from semiextensive system, whereas the frequency of the genotypes GHRAluI (+/+) and IGF-ISnaBI (+/+) was higher in animals from intensive system (P < 0.05). In the intensive system, cows from the STAT5ABstEII (-/-) genotype had a longer calving-first heat interval (P = 0.03). In conclusion, there was no association between the genotypes of GHRAluI and IGF-ISnaBI and fertility of Holstein cows raised in semiextensive or intensive regimes, although the genotype frequencies of the evaluated polymorphisms were different between the studied systems. The STAT5ABstEII polymorphism was associated with calving-first heat interval in Holstein cows raised in the intensive system, indicating that this gene could be a molecular marker for genetic selection to improve reproductive performance. PMID- 27865415 TI - Biosterilant effects of Bacillus thuringiensis kurstaki HD-73 extract on male Wistar albino rats. AB - Chemosterilants have long been used in sterilization programs for managing pet, stray, and wild animals but adverse effects such as trauma, incomplete responses to treatment, and complete abolition of gonadal sources of testosterone often occurs. This study describes the biosterilant effects of administering three doses of Bacillus thuringiensis kurstaki HD-73 (Bt 5, 50, and 250 mg/kg; 20 rats/dose) extract in adult male Wistar albino rats on testicular parameters, function, histology, and a number of biochemical markers of overall health, free radical production, and cell proliferation. Intratesticular administration of Bt extract to rats induces testicular oxidative stress and damages and consequently, perturb spermatogenesis, degeneration of testis, reduction in testes size, and depletion of testosterone and antioxidant enzyme concentrations in a dose dependent manner because of free radical-mediated lipid peroxidation. No morbidity or mortality adverse effects were observed in both the saline control and Bt extract-treated rats. Significant variation was noted in clinical manifestations, weight and volume of testes, and hormonal and biochemical profiles between Bt doses in comparison with the saline control. Aspermia/azoospermia (100%) resulted in Bt-treated rats without any adverse effects. Histopathological analysis showed degeneration, necrosis, vacuolation, fewer germ cells, formation of multinucleated giant cells, and a lack of elongated spermatids in atrophic seminiferous tubules in Bt extract-treated groups in the presence of low concentrations of testosterone, antioxidant enzymes, and suppression of germ cell proliferation. Dose-dependent effects were evident in most parameters that were measured. The vast array of tests that were undertaken also provides some important indicators of the physiological effects associated with the treatments that were applied. Intratesticular injection of Bt extract impairs spermatogenesis and induces permanent sterility in rats. PMID- 27865416 TI - Embryo yield in dairy cattle after superovulation with Folltropin or Pluset. AB - Two commercial FSH products were compared in a retrospective study on 3990 commercial superovulations and embryo recoveries in dairy heifers and cows. In addition, the 56-day nonreturn rate of 19,400 embryos produced with these two preparations was analyzed. Embryo collections were performed during a 16-year period from donors of Holstein and Ayrshire breeds. Folltropin (Vetoquinol S.A., Lure cedex, France) group (Group F) consisted of 2592 superovulations, of which 80% were performed on heifers and 20% on cows, and Pluset (Laboratorios Calier, S.A., Barcelona, Spain) group (Group P) of 1398 treatments, of which 66% and 34% were on heifers and cows, respectively. Total number of recovered structures, number of transferable embryos, and the proportion of unfertilized ova (UFO) and degenerated embryos were analyzed. Distribution of embryos into quality grades (1 3) and developmental stages (4-9) according to the IETS classification guidelines and means for each collection were evaluated. The proportion of low-responders having fewer than five corpora lutea and yielding fewer than five embryos or ova was investigated for each treatment. Group P yielded 1.1 recovered structures more than Group F (P < 0.001). Consequently, however, the number of transferable embryos did not differ among the groups, being 7.0 and 7.1 in Groups F and P, respectively. Instead, there was an increase in the number of UFO from 2.0 in Group F to 3.0 in Group P (P < 0.001). The quality of embryos and the developmental stages were similar between the groups and there was no difference in the proportion of low-responding donors in Group F and Group P. Also, there was no difference in the nonreturn rate after transfer of embryos originating from donors superovulated with Folltropin or Pluset. It was concluded that equal numbers of transferable embryos and pregnancies can be achieved with Folltropin and Pluset. PMID- 27865417 TI - Knock-down of apoptosis inducing factor gene protects endoplasmic reticulum stress-mediated goat granulosa cell apoptosis. AB - The apoptosis of granulosa cells is the main cause of follicular atresia, and endoplasmic reticulum (ER) stress is involved in the apoptosis of granulosa cells. Apoptosis inducing factor (AIF) mediates caspase-independent apoptosis and causes chromatin condensation and DNA fragmentation, but its role in ER stress mediated granulosa cell apoptosis during goat follicular atresia remains largely unknown. The aim of this study was to investigate the function of AIF in the apoptosis of goat granulosa cells mediated by ER stress. The results of immunohistochemical and Western blot analyses demonstrated that AIF was mainly located in granulosa cells, and the expression of AIF significantly increased during follicular atresia. Then, AIF-short hairpin RNA recombinant lentiviral vectors were constructed successfully and transfected into human telomerase reverse transcriptase-goat granulosa cells (hTERT-GGCs). Real-time quantitative polymerase chain reaction and Western blot analysis confirmed that AIF was effectively knocked down in hTERT-GGCs. Flow cytometry results showed that the knockdown of AIF in hTERT-GGCs reduced apoptosis due to serum starvation or thapsigargin (Tg) treatment. In addition, AIF depletion changed the expression of related molecular marker molecules of ER stress under Tg treatment. In conclusion, AIF may serve as a key factor during follicular atresia, and AIF depletion protects ER stress-mediated goat granulosa cell apoptosis. PMID- 27865418 TI - Characterizing emergence and divergence in the first follicular wave in a tropically adapted Bos taurus breed. AB - Tropically adapted Bos taurus breeds are descended from the cattle which were brought from the Iberian Peninsula to Latin America by the colonizers and which adapted over time to local conditions. These breeds have become a genetic treasure that must be preserved. The objective of this study was to characterize ovarian follicular emergence and divergence in tropically adapted B. taurus cows and heifers. Cyclic heifers (n = 11) and nonlactating, multiparous cows (n = 11) were examined at 8-hour intervals using ultrasonography starting on the day following the final application of PGF2alpha, which was used to synchronize the estrous cycle, and ending 5 days after ovulation. Blood samples were collected immediately following the ultrasonographic examinations in order to evaluate FSH and estradiol-17beta (E2) concentrations. The interval between ovulation and follicular wave emergence (11.6 +/- 3.3 hours vs. 20.3 +/- 2.5 hours, P < 0.05) and ovulation and follicular wave divergence (52.4 +/- 5.2 hours vs. 71.8 +/- 4.1 hours, P < 0.05) was shorter in the cows than in the heifers, respectively. Plasma FSH concentrations increased (P < 0.05) and serum E2 concentrations decreased earlier in cows than in heifers before ovulation. Following follicular wave emergence, no difference in follicular development was found between the cows and the heifers. Consequently, following follicular wave emergence, the data from both the cows and the heifers were combined and categorized by dominant follicle (DF) and second largest follicle (SF). The DF and SF were identified at the same time (P > 0.05). The mean number of small (<=4 mm, 7.2 +/- 5.1) and medium (4 to <= 8 mm, 6.8 +/- 3.5) follicles was greater than that of large follicles (>=8 mm, 0.6 +/- 0.5) from ovulation until 5 days after ovulation. The DF diameter (8.1 +/- 1 mm) did not differ (P = 0.09) from SF diameter (7.6 +/- 0.9 mm) at the time of follicular divergence (around 45 hours after follicular emergence). The DF and SF growth rates were similar (P > 0.05) until follicular divergence, at which point the SF growth rate decreased, whereas the DF growth rate remained constant. Serum E2 concentrations did not change (P > 0.05) during the divergence period, whereas FSH concentrations decreased between 48 and 32 hours before follicular wave divergence. In conclusion, cows and heifers differed only in the interval from ovulation to follicular wave emergence and divergence, which was confirmed by the different patterns of FSH and E2 concentrations. PMID- 27865420 TI - Towards value-based universal Lynch syndrome identification in endometrial cancer patients. PMID- 27865419 TI - GPR39 is region-specifically expressed in mouse oviduct correlating with the Zn2+ distribution. AB - G-protein-coupled receptor 39 (GPR39) plays a role in cellular and physiological processes, including insulin secretion, cell death inhibition, wound healing, and obesity. Increasing evidence suggests that GPR39 is potently stimulated by zinc ions (Zn2+) and is therefore considered a putative Zn2+ receptor. Given the importance of Zn2+ in the reproductive system, we proposed that GPR39 might have a functional role in the reproductive system. However, the localization of GPR39 in the reproductive system remains unknown. Here, we used mice expressing a Gpr39 promoter-driven LacZ reporter system to detect Gpr39 expression in the reproductive system at different phases of the estrous cycle and found an interesting region-specific distribution of Gpr39 in the mouse oviduct epithelium, with strong expression at the ampulla and weak expression at the isthmus, which was consistent with the results using reverse transcription polymerase chain reaction and immunofluorescence. Moreover, using ZnSeAMG staining, we found that Zn2+, the putative ligand of GPR39, also found a distribution similar to GPR39 expression, suggesting that their potential interaction mediates fertilization and embryo transportation. PMID- 27865422 TI - We've come a long way: Let the work begin. PMID- 27865423 TI - Embryonal Rhabdomyosarcoma of the Oesophagus in a Young Dog. AB - A 15-month-old great Dane dog, showing clinical signs related to hypertrophic osteopathy, was diagnosed radiographically with a mass in the region of the thoracic oesophagus. Exploratory thoracotomy revealed an extensive, highly vascularized and locally invasive oesophageal mass and the presence of nodules in adjacent lung lobes. The dog was humanely destroyed intra-operatively. Histological examination revealed that the mass was an embryonal rhabdomyosarcoma. This is the first report of rhabdomyosarcoma of the oesophagus of a dog. Rhabdomyosarcoma should be considered a differential diagnosis when a mass adjacent to the oesophagus is diagnosed. PMID- 27865424 TI - Surface-bound microgels - From physicochemical properties to biomedical applications. AB - Microgels offer robust and facile approaches for surface modification, as well as opportunities to introduce biological functionality by loading such structures with bioactive agents, e.g., in the context of drug delivery, functional biomaterials, and biosensors. As such, they provide a versatile approach for the design of surfaces with pre-determined characteristics compared to more elaborate bottom-up approaches, such as layer-by-layer deposition and surface-initiated polymerization. In the present overview, properties of surface-bound microgels are discussed, ranging from physical adsorption and covalent grafting in dilute systems, to directed self-assembly, multilayer structures, and composites, as well as loading an release of drugs and other cargo molecules into/from such systems, and biomedical applications of these. PMID- 27865421 TI - Cannabidiol (CBD) induces functional Tregs in response to low-level T cell activation. AB - Many effects of the non-psychoactive cannabinoid, cannabidiol (CBD), have been described in immune responses induced by strong immunological stimuli. It has also been shown that CBD enhances IL-2 production in response to low-level T cell stimulation. Since IL-2, in combination with TGF-beta1, are critical for Treg induction, we hypothesized that CBD would induce CD4+CD25+FOXP3+ Tregs in response to low-level stimulation. Low-level T cell stimulation conditions were established based on minimal CD25 expression in CD4+ cells using suboptimal PMA/Io (4nM/0.05MUM, S/o), ultrasuboptimal PMA/Io (1nM/0.0125MUM, Us/o) or soluble anti-CD3/28 (400-800ng each, s3/28). CBD increased CD25+FOXP3+ cells from CD4+, CD4+CD25+, and CD4+CD25- T cells, as well as in CD4+ T cells derived from FOXP3-GFP mice. Most importantly, the Us/o+CBD-induced CD4+CD25+ Tregs robustly suppressed responder T cell proliferation, demonstrating that the mechanism by which CBD is immunosuppressive under low-level T cell stimulation involves induction of functional Tregs. PMID- 27865425 TI - Zika virus infection during the Olympic Games in Rio: A fear or an actual risk? AB - The recent outbreak of Zika virus infection in Brazil has aroused considerable media interest due to its association with neurological malformations in children born from mothers infected by the virus and to its association with Guillain Barre syndrome in adults. This relationship has led to the World Health Organisation declaring the current epidemic as a "Public Health Emergency of International Concern". Controversy also emerged on the advisability of delaying or changing the location of the Olympic and Paralympic Games, which were held in August at various locations in Brazil. In this article, we review the available evidence on the risk of Zika and dengue virus infection in individuals who travel to endemic countries, especially for multitudinous events. PMID- 27865426 TI - Surgical treatment of acute diverticulitis. A retrospective multicentre study. AB - INTRODUCTION: To analyze short and medium-term results of different surgical techniques in the treatment of complicated acute diverticulitis (CAD). METHODS: Multicentre retrospective study including patients operated on as surgical emergency or deferred-urgency with the diagnosis of CAD. RESULTS: A series of 385 patients: 218 men and 167 women, mean age 64.4+/-15.6 years, operated on in 10 hospitals were included. The median (25th-75th percentile) time from symptoms to surgery was 48 (24-72) h, being peritonitis the main surgical indication in a 66% of cases. Surgical approach was usually open (95.1%), and the commonest findings, a purulent peritonitis (34.8%) or pericolonic abscess (28.6%). Hartmann procedure (HP) was the most used technique in 278 (72.2%) patients, followed by resection and primary anastomosis (RPA) in 69 (17.9%). The overall postoperative morbidity and mortality was 53.2% and 13% respectively. Age, immunosupression, presence of general risk factors and faecal peritonitis were associated with increased mortality. Laparoscopic peritoneal lavage (LPL) was associated with an increased reoperation rate frequently involving a stoma, and anastomotic leaks presented in 13.7 patients after RPA, without differences in morbimortality when compared with HP. Median postoperative length of stay was 12 days, and was correlated with age, surgical risk, ASA score, hospital and postoperative complications. CONCLUSIONS: Surgery for CAD has important morbidity and mortality and is frequently associated with an end-stoma. Moreover LPL presented high reoperation rates. It seems better to resect and anastomose in most cases, even with an associated protective stoma. PMID- 27865427 TI - De Garengeot's hernia: Incarcerated femoral hernia containing the vermiform appendix. Report of two cases and literature review. PMID- 27865428 TI - Reply to: "Unique effect for fructose on lipoprotein risk factors for cardiovascular disease in children is not demonstrated". PMID- 27865429 TI - Maternal Education Is Associated with Disparities in Breastfeeding at Time of Discharge but Not at Initiation of Enteral Feeding in the Neonatal Intensive Care Unit. AB - OBJECTIVE: To investigate the relationship between maternal education and breastfeeding in very preterm infants admitted to neonatal intensive care units. STUDY DESIGN: This prospective, population-based cohort study analyzed the data of all very preterm infants admitted to neonatal care during 1 year in 3 regions in Italy (Lazio, Emilia-Romagna, and Marche). The use of mothers' own milk was recorded at initial enteral feedings and at hospital discharge. We used multilevel logistic analysis to model the association between maternal education and breastfeeding outcomes, adjusting for maternal age and country of birth. Region was included as random effect. RESULTS: There were 1047 very preterm infants who received enteral feeding, and 975 were discharged alive. At discharge, the use of mother's own milk, exclusively or not, and feeding directly at the breast were significantly more likely for mothers with an upper secondary education or higher. We found no relationship between maternal education and type of milk at initial enteral feedings. However, the exclusive early use of the mother's own milk at initial feedings was related significantly with receiving any maternal milk and feeding directly at the breast at discharge from hospital, and the association with feeding at the breast was stronger for the least educated mothers. CONCLUSION: In this population-based cohort of very preterm infants, we found a significant and positive association between maternal education and the likelihood of receiving their mother's own milk at the time of discharge. In light of the proven benefits of maternal milk, strategies to support breastfeeding should be targeted to mothers with less education. PMID- 27865430 TI - Apnea in the Otherwise Healthy, Term Newborn: National Prevalence and Utilization during the Birth Hospitalization. AB - OBJECTIVES: To describe the prevalence of apnea in otherwise healthy term newborns, identify attributable length of stay (LOS) and healthcare utilization (cost) of apnea, and measure hospital variation in attributable LOS and cost of apnea in this population. STUDY DESIGN: We conducted a secondary analysis of a national administrative dataset, the 2012 Kids' Inpatient Database, which included 3.4 million newborn discharges in the US. The birth hospitalizations of approximately 2.6 million otherwise healthy, full-term newborns were included for analysis. Attributable LOS and cost of apnea were calculated using multivariate analyses. RESULTS: Apnea was diagnosed in 1 in 1000 healthy full-term newborns. Multivariate analyses showed that newborns with apnea had 0.6 days longer LOS (P < .001) and $483 greater costs (P < .001) compared with healthy term newborns, per birth hospitalization. Newborns diagnosed with apnea plus hypoxia and/or bradycardia had 1.4 days longer LOS (P < .001) and $653 greater costs (P < .001). The attributable LOS and cost attributable to apnea varied between individual hospitals and differed by hospital region. CONCLUSIONS: Apnea is associated with higher LOS and cost in the newborn hospitalization, with variation in hospital practice. This suggests the need for better comprehension of the underlying physiology and standardization of practice in its management in the term newborn. PMID- 27865431 TI - Regression-based statistical mediation and moderation analysis in clinical research: Observations, recommendations, and implementation. AB - There have been numerous treatments in the clinical research literature about various design, analysis, and interpretation considerations when testing hypotheses about mechanisms and contingencies of effects, popularly known as mediation and moderation analysis. In this paper we address the practice of mediation and moderation analysis using linear regression in the pages of Behaviour Research and Therapy and offer some observations and recommendations, debunk some popular myths, describe some new advances, and provide an example of mediation, moderation, and their integration as conditional process analysis using the PROCESS macro for SPSS and SAS. Our goal is to nudge clinical researchers away from historically significant but increasingly old school approaches toward modifications, revisions, and extensions that characterize more modern thinking about the analysis of the mechanisms and contingencies of effects. PMID- 27865432 TI - A hybrid fault diagnosis approach based on mixed-domain state features for rotating machinery. AB - To make further improvement in the diagnosis accuracy and efficiency, a mixed domain state features data based hybrid fault diagnosis approach, which systematically blends both the statistical analysis approach and the artificial intelligence technology, is proposed in this work for rolling element bearings. For simplifying the fault diagnosis problems, the execution of the proposed method is divided into three steps, i.e., fault preliminary detection, fault type recognition and fault degree identification. In the first step, a preliminary judgment about the health status of the equipment can be evaluated by the statistical analysis method based on the permutation entropy theory. If fault exists, the following two processes based on the artificial intelligence approach are performed to further recognize the fault type and then identify the fault degree. For the two subsequent steps, mixed-domain state features containing time domain, frequency-domain and multi-scale features are extracted to represent the fault peculiarity under different working conditions. As a powerful time frequency analysis method, the fast EEMD method was employed to obtain multi scale features. Furthermore, due to the information redundancy and the submergence of original feature space, a novel manifold learning method (modified LGPCA) is introduced to realize the low-dimensional representations for high dimensional feature space. Finally, two cases with 12 working conditions respectively have been employed to evaluate the performance of the proposed method, where vibration signals were measured from an experimental bench of rolling element bearing. The analysis results showed the effectiveness and the superiority of the proposed method of which the diagnosis thought is more suitable for practical application. PMID- 27865433 TI - Influences of size-fractionated humic acids on arsenite and arsenate complexation and toxicity to Daphnia magna. AB - The intrinsic physicochemical properties of dissolved organic matter (DOM) may affect the mobility and toxicity of arsenic in aquatic environments. In the present study, the humic acid (HA) was ultra-filtered into five fractions according to molecular weight, and their physicochemical properties were characterized. Complexation of HA fractions with arsenite and arsenate was first determined by differential pulse polarography (DPP). The influences of HA fractions on arsenic toxicity were then examined using Daphnia magna as a model organism. As(V) had a higher affinity with HA than As(III), and their complexation was dependent on the total acidity and fluorescence characteristics of DOM. We demonstrated that the acidity and fluorescence also better explained the As toxicity to daphnids than UV absorbance and hydraulic diameter. Arsenic speciation determined by DPP significantly affected the toxicity of arsenite and arsenate. The results extended the free-ion activity model application to the case of arsenic. The present study clearly indicated that DOM with different molecular weights has distinct physicochemical properties, and could influence the speciation and toxicity of As to different extent. PMID- 27865434 TI - Potential water resource impacts of hydraulic fracturing from unconventional oil production in the Bakken shale. AB - Modern drilling techniques, notably horizontal drilling and hydraulic fracturing, have enabled unconventional oil production (UOP) from the previously inaccessible Bakken Shale Formation located throughout Montana, North Dakota (ND) and the Canadian province of Saskatchewan. The majority of UOP from the Bakken shale occurs in ND, strengthening its oil industry and businesses, job market, and its gross domestic product. However, similar to UOP from other low-permeability shales, UOP from the Bakken shale can result in environmental and human health effects. For example, UOP from the ND Bakken shale generates a voluminous amount of saline wastewater including produced and flowback water that are characterized by unusual levels of total dissolved solids (350 g/L) and elevated levels of toxic and radioactive substances. Currently, 95% of the saline wastewater is piped or trucked onsite prior to disposal into Class II injection wells. Oil and gas wastewater (OGW) spills that occur during transport to injection sites can potentially result in drinking water resource contamination. This study presents a critical review of potential water resource impacts due to deterministic (freshwater withdrawals and produced water management) and probabilistic events (spills due to leaking pipelines and truck accidents) related to UOP from the Bakken shale in ND. PMID- 27865435 TI - The pulse-mass index as a predictor of cardiovascular events in women with systemic lupus erythematosus. AB - BACKGROUND: Patients with systemic lupus erythematosus (SLE) have 3times the risk of death compared to the rest of the population, with cardiovascular events (CVD) being one of the main causes. Indices such as waist-height (W-Ht I), waist-hip (W Hp I) and pulse-mass (PMI) predict CVD, though the behaviour is unknown in patients with SLE. The aim of this study was to determine the prognostic value of PMI in the development of CVD in premenopausal women with SLE. METHODOLOGY: Cohort study. Included were premenopausal women with SLE without prior CVD; excluded were those patients with antiphospholipid syndrome (APS), pregnancy, thyroid disease, recent liposuction, and chronic kidney disease. Exposure variables were: PMI, W-Ht I, W-Hp I and metabolic syndrome at onset of the cohort. Considered confounding variables were time of evolution, disease activity, cumulative damage and treatment. Through semi-annual appointments, accident and emergency admittance and hospitalisation records the CVD were screened. Analysis was performed with Cox for proportional hazards and survival with Kaplan Meier. RESULTS: We included 238 women with a median age of 31 (18-52) years, with a follow-up of 8years. We identified 22 (9.6%) cases of CVD. In the Cox proportional hazards analysis, the prognostic variables were: PMI with HR=8.1 (95% CI: 1.1-65), metabolic syndrome with 2.4 (95% CI: 1-5.8), cumulative damage with HR=1.5 (95% CI: 1.1-2.2) and body fat percentage HR=2.8 (95% CI: 1.1-6.9) CONCLUSIONS: The PMI is a better predictor factor of CVD in women with SLE. PMID- 27865436 TI - [Improving adverse drug reaction reporting by general practitioners through clinical research assistants visits]. AB - The main limitation of adverse drug reactions (ADRs) reporting, particularly by general practitioners (GP), to the regional pharmacovigilance centers is under reporting. The Midi-Pyrenees Regional Pharmacovigilance Center (South western, France) sets up regular visits by a clinical research assistant (CRA) to GP in order to increase the number of ADR reports. The aim of this pilot study was to assess the effect of regular visits of a CRA in GPs offices on the rate of ADR reporting. After one year, CRA visits permit a two-fold increase in ADR reporting. PMID- 27865437 TI - Early neurodevelopmental outcomes of extremely preterm infants. AB - Infants born at extreme preterm gestation are at risk for both death and disability. Although rates of survival have improved for this population, and some evidence suggests a trend toward decreased neuromotor impairment over the past decades, a significant improvement in overall early neurodevelopmental outcome has not yet been realized. This review will examine the rates and types of neurodevelopmental impairment seen after extremely preterm birth, including neurosensory, motor, cognitive, and behavioral outcomes. We focus on early outcomes in the first 18-36 months of life, as the majority of large neonatal studies examining neurodevelopmental outcomes stop at this age. However, this early age is clearly just a first glimpse into lifetime outcomes; the neurodevelopmental effects of extreme prematurity may last through school age, adolescence, and beyond. Importantly, prematurity appears to be an independent risk factor for adverse development, but this population demonstrates considerable variability in the types and severity of impairments. Understanding both the nature and prevalence of neurodevelopmental impairment among extremely preterm infants is important because it can lead to targeted interventions that in turn may lead to improved outcomes. PMID- 27865438 TI - Evaluation of bone marrow derived mesenchymal stem cells for full-thickness wound healing in comparison to tissue engineered chitosan scaffold in rabbit. AB - BACKGROUND: Chronic wounds present a major challenge in modern medicine. Even under optimal conditions, the healing process may lead to scarring and fibrosis. The ability of mesenchymal stem cells (MSCs) to differentiate into other cell types makes these cells an attractive therapeutic tool for cell transplantation. Both tissue-engineered construct and MSC therapy are among the current wound healing procedures and potential care. Chitosan has been widely applied in tissue engineering because of its biocompatibility and biodegradability. AIM: The aim of the current work was to compare the efficiency of MSCs and chitosan dressing, alone or in combination treatment on wound healing. METHODS: This study was conducted on 15 rabbits, which were randomly divided in 3 groups based on the type of treatment with MSCs, chitosan dressing and combination of both. A full thickness skin defect was excised from the right and left side of the back of each animals. Defects on right sides were filled with treatments and left side defects were left as control. Evaluation of the therapeutic effectiveness was performed through a variety of clinical and microscopical evaluations and measurements of the process of wound healing on days 7, 14, 21, and 28. Histological evaluation of wound healing was classified by different scoring systems. RESULTS: The data indicated that wounds treated with bone marrow derived MSC had enhanced cellularity and better epidermal regeneration. During the early stages of wound healing, the closure rate of bone marrow derived MSC-treated wounds were significantly higher than other treatments (P<0.05). Although the MSCs in the wound edges enhance the healing of the full-thickness wound, the healing process of chitosan treatment was slower than the control group. CONCLUSION: This study revealed advanced granulation tissue formation and epithelialization in wounds treated with MSCs, and may suggests this treatment as an effective applicant in wound healing process. Chitosan scaffold dressings, whether alone or in combination with MSCs, have worsened the wound healing as compared to the control group. PMID- 27865439 TI - A scratch by any other name: A comment on Lucas et al.'s reply to "Scratching the surface: A critique of Lucas et al. (2013)'s conclusion that phytoliths do not abrade enamel" [J. Hum. Evol. 74 (2016) 130-133]. PMID- 27865440 TI - Hemoglobin of 12 g/dl and above is not associated with increased cardiovascular morbidity in children on hemodialysis. AB - In adults on chronic hemodialysis, achieving a hemoglobin concentration of 12g/dl and above with erythropoiesis stimulating agents leads to increased cardiovascular events and mortality, but this may not be true in children. Therefore, we conducted a retrospective cohort study of pediatric patients (under 18) from the Centers for Medicare and Medicaid Services End Stage Renal Disease (ESRD) Clinical Performance Measures (CPM) project (2000 to 2008) merged with the United States Renal Data System. Hemoglobin was determined from the Clinical Performance Measures data, and beginning annually on January 1st of the next year, patients were followed for up to 1 year. We determined the outcomes (mortality, hospitalization, and cardiovascular events) during follow-up by hemoglobin group at baseline. Models were adjusted for demographic and clinical characteristics of 1569 children studied. The hemoglobin 12 g/dl and above group was older, had fewer years of ESRD, and was more often transplanted. Inpatient and outpatient visits for congestive heart failure, cardiomyopathy, and valvular heart disease were most common in the hemoglobin under 10g/dl group and the frequency of these diagnoses decreased with increasing hemoglobin. The hazard ratio of all-cause mortality (0.33, 95% confidence interval 0.14-0.81) and the adjusted relative rate of all-cause hospitalizations (0.81, 0.74-0.89) were significantly lower in the hemoglobin 12 g/dl and above group. Cardiovascular hospitalizations were significantly higher in the hemoglobin under 10g/dl group (1.31, 1.05-1.64). Thus, in children on hemodialysis, hemoglobin 12g/dl and above is not associated with increased cardiovascular visits, mortality, or all-cause and cardiovascular-related hospitalizations. PMID- 27865441 TI - Long-term versus short-term dual antiplatelet therapy was similarly associated with a lower risk of death, stroke, or infarction in patients with acute coronary syndrome regardless of underlying kidney disease. AB - Scarce and conflicting evidence exists on whether clopidogrel is effective and whether dual antiplatelet treatment (DAPT) is safe in patients with acute coronary syndrome and chronic kidney disease (CKD). To study this, we performed an observational, prospective, multicenter cohort study of 36,001 patients of the SWEDEHEART registry. The exposure was DAPT prolonged after 3 months versus DAPT stopped at 3 months in consecutive patients with acute coronary syndrome and known serum creatinine. DAPT duration with clopidogrel and aspirin was assessed by dispensed tablets. CKD stages were classified according to estimated glomerular filtration rate (eGFR). Study outcomes were 1) the composite of death, myocardial infarction, or ischemic stroke; 2) bleeding; or 3) the aggregate of these two outcomes within day 111 and 365 from discharge. A longer DAPT duration, as compared with 3-month DAPT, was associated with lower hazard ratios for outcome one in each CKD stratum (eGFR over 60, adjusted hazard ratio [95% confidence interval] 0.76 [0.67-0.85]; eGFR 60 and less, 0.84 [0.73-0.96], of which eGFR between 45 and 60, 0.85 [0.70-1.05], eGFR between 30 and 45, 0.78 [0.62-0.97]; eGFR 30 and less ml/min/1.73 m2, 0.93 [0.70-1.24]. Bleeding (outcome 2) was in general more common in the longer DAPT group of each aforementioned CKD stratum. Aggregated outcome analysis (outcome 3) similarly favored longer DAPT in each stratum. There was no interaction between DAPT duration and CKD strata for any of the study outcomes. Thus, a prolonged as compared with three-month DAPT was similarly associated with a lower risk of death, stroke, or reinfarction regardless of underlying CKD. PMID- 27865442 TI - Triterpene glycosides from the aerial parts of Gouania longipetala. AB - Six previously undescribed triterpenoid saponins, gouaniaside I-VI, were isolated from the aerial parts of Gouania longipetala Hemsl. (Rhamnaceae), in addition to four known triterpenes. The structure elucidation of these compounds was based on analyses of spectroscopic data including 1D- and 2D-NMR and HR-ESI-MS techniques. The inhibitory activity of isolated compounds against promyelocytic leukemia HL60 and human erythromyeloblastoid leukemia K562 cell lines was evaluated and jujuboside I exhibited moderate cytotoxicity, with IC50 values of 13.5 and 21.0 MUM, respectively. Among the isolated triterpenes, alphitolic acid exhibited moderate antibacterial activity against Staphylococcus aureus, Enterococcus faecalis and Escherichia coli (MICs 32, 64 and 128 MUg/mL, respectively). PMID- 27865443 TI - Interaction of rare earth elements and components of the Horonobe deep groundwater. AB - To better understand the migration behavior of minor actinides in deep groundwater, the interactions between doped rare earth elements (REEs) and components of Horonobe deep groundwater were investigated. Approximately 10 ppb of the REEs, i.e. Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Er, Tm, and Yb were doped into a groundwater sample collected from a packed section in a borehole drilled at 140 m depth in the experiment drift of Horonobe Underground Research Laboratory in Hokkaido, Japan. The groundwater sample was sequentially filtered with a 0.2 MUm pore filter, and 10 kDa, 3 kDa and 1 kDa nominal molecular weight limit (NMWL) ultrafilters with conditions kept inert. Next, the filtrate solutions were analyzed with inductively coupled plasma mass spectrometry (ICP MS) to determine the concentrations of the REEs retained in solution at each filtration step, while the used filters were analyzed through neutron activation analysis (NAA) and TOF-SIMS element mapping to determine the amounts and chemical species of the trapped fractions of REEs on each filter. A strong relationship between the ratios of REEs retained in the filtrate solutions and the ionic radii of the associated REEs was observed; i.e. smaller REEs occur in larger proportions dissolved in the solution phase under the conditions of the Horonobe groundwater. The NAA and TOF-SIMS analyses revealed that portions of the REEs were trapped by the 0.2 MUm pore filter as REE phosphates, which correspond to the species predicted to be predominant by chemical equilibrium calculations for the conditions of the Horonobe groundwater. Additionally, small portions of colloidal REEs were trapped by the 10 kDa and 3 kDa NMWL ultrafilters. These results suggest that phosphate anions play an important role in the chemical behavior of REEs in saline (seawater-based) groundwater, which may be useful for predicting the migration behavior of trivalent actinides released from radioactive waste repositories in the far future. PMID- 27865445 TI - Perinatal complications of oocyte donation to women of advanced reproductive age. PMID- 27865444 TI - The Prospective Association of Organized Sports Participation With Cardiovascular Disease Risk in Children (the CHAMPS Study-DK). AB - OBJECTIVE: To investigate the prospective association of organized leisure-time sports participation with cardiovascular risk in children. METHODS: Students were recruited from 10 public primary schools. From July 2009 to October 2010, parents reported children's weekly organized leisure-time sports participation via text messaging. Clustered cardiovascular risk was estimated with a composite score comprising fasting serum triglyceride levels, homeostasis assessment model estimated insulin resistance, total to high-density lipoprotein cholesterol ratio, and systolic blood pressure. Additional outcomes were body mass index categories and fasting serum insulin and glucose concentrations. Associations were explored with generalized estimating equations and reported with beta coefficients (beta) and percent difference per weekly sports session or incidence rate ratios. All models were adjusted for baseline values and other potential confounders. RESULTS: In total, 1197 children (53% female) with a mean age of 8.4+/-1.4 years were included. Participating in sports for 53 weeks was associated with lower clustered cardiovascular risk (beta, -0.25; 95% CI, -0.41 to -0.10; percent difference, 3.2%; 95% CI, 5.2%-1.3%). Similar outcomes were observed for log homeostasis assessment model-estimated insulin resistance (beta, -0.08; 95% CI, -0.12 to -0.04; percent difference, 3.4%; 5.1%-1.7%) and log insulin (beta, -0.07; 95% CI, -0.11 to -0.04; percent difference, 2.6%; 95% CI, 4.0%-1.5%). Sports participation was associated with a 20% decreased risk of overweight/obesity (incidence rate ratio, 0.78; 95% CI, 0.64-0.96). CONCLUSION: Participating in organized leisure-time sports for approximately 1 year is associated with decreased clustered cardiovascular risk in children. These findings show that participating in youth sports may be an effective strategy to reduce cardiovascular risk in children. PMID- 27865446 TI - Use of Utrogestan during controlled ovarian hyperstimulation in normally ovulating women undergoing in vitro fertilization or intracytoplasmic sperm injection treatments in combination with a "freeze all" strategy: a randomized controlled dose-finding study of 100 mg versus 200 mg. AB - OBJECTIVE: To compare the clinical characteristics in a Utrogestan and hMG protocol with the use of different doses of Utrogestan in normally ovulating women undergoing in vitro fertilization (IVF) or intracytoplasmic sperm injection (ICSI) treatments. DESIGN: Prospective controlled study. SETTING: Tertiary-care academic medical center. PATIENT(S): A total of 150 infertile patients undergoing IVF/ICSI treatments. INTERVENTION(S): Utrogestan and hMG were administered simultaneously beginning on cycle day 3. The dose of Utrogestan was 100 mg/d in the study group and 200 mg/d in the control group. When the dominant follicles reached mature, 0.1 mg GnRH agonist was used for trigger. Viable embryos were cryopreserved in both protocols for later transfer. MAIN OUTCOME MEASURE(S): The primary outcome measure was the incidence of premature LH surge. Secondary outcomes included the embryo results and clinical pregnancy outcomes. RESULT(S): Consistent LH suppression was achieved during controlled ovarian hyperstimulation with Utrogestan at 100 mg, and the number of patients with profound LH suppression (LH <1.2 IU/L) in the low-dose group was significantly less than that in the high-dose group. The number of oocytes retrieved in the low-dose group was similar to that in the high-dose group (9.87 +/- 5.77 vs. 10.25 +/- 5.43). No significant differences were observed in the number of mature oocytes, viable embryos, clinical pregnancy rate, or implantation rate. CONCLUSION(S): Utrogestan at 100 mg is as effective as Utrogestan at 200 mg in reducing premature LH surge during controlled ovarian hyperstimulation. CLINICAL TRIAL REGISTRATION NUMBER: ChiCTR-OOC-14005277. PMID- 27865447 TI - Surgical management of niche, isthmocele, uteroperitoneal fistula, or cesarean scar defect: a critical rebirth in the medical literature. PMID- 27865448 TI - Debris makes "MR DC" hustle on endometriosis. PMID- 27865449 TI - Characterizing nuclear and mitochondrial DNA in spent embryo culture media: genetic contamination identified. AB - OBJECTIVE: To characterize nuclear and mitochondrial DNA (mtDNA) in spent culture media from normally developing blastocysts to determine whether it could be used for noninvasive genetic assessment. DESIGN: Prospective embryo cohort study. SETTING: Academic center and private in vitro fertilization (IVF) clinic. PATIENT(S): Seventy patients undergoing intracytoplasmic sperm injection (ICSI) and 227 blastocysts. INTERVENTION(S): Culture media assessment, artificial blastocoele fluid collapse and DNA analysis using digital polymerase chain reaction (dPCR), long-range PCR, quantitative PCR (qPCR), and DNA fingerprinting. MAIN OUTCOME MEASURE(S): Presence of nuclear and mtDNA in three different commercial culture media from Vitrolife and Irvine Scientific, spent embryo media assessment at the cleavage and blastocyst stages of development, and analysis of the internal media controls for each patient that had been exposed to identical conditions as embryo media but did not come into contact with embryos. RESULT(S): Higher levels of nuclear and mtDNA were observed in the culture media that had been exposed to embryos compared with the internal media controls. Nuclear DNA (~4 copies) and mtDNA (~600 copies) could be detected in spent media, and the levels increased at the blastocyst stage. No increase in DNA was detected after artificial blastocoele fluid collapse. Mixed sex chromosome DNA was detected. This originated from contamination in the culture media and from maternal (cumulus) cells. Due to the limited amount of template, the presence of embryonic nuclear DNA could not be confirmed by DNA fingerprinting analysis. CONCLUSION(S): Currently DNA from culture media cannot be used for genetic assessment because embryo-associated structures release DNA into the culture medium and the DNA is of mixed origin. PMID- 27865450 TI - Reproductive function in the sons of women who experienced stress due to bereavement before and during pregnancy: a nationwide population-based cohort study. AB - OBJECTIVE: To estimate the association between prenatal exposure to maternal stress and reproductive disorders in Danish men, where prenatal stress exposure was defined as the mother's loss of a close relative during pregnancy or in the 12 months before conception. DESIGN: Population-based cohort study. SETTING: Not applicable. PATIENT(S): All males born in Denmark between 1973 and 2008 (n = 1,217,576) and observed for up to 39 years. INTERVENTION(S): None. MAIN OUTCOME MEASURE(S): Male reproductive function, defined using a composite outcome including congenital malformations of genital organs, testicular cancer, diagnosis of male infertility, or assisted conception use due to male factor infertility. RESULT(S): In total, 28,986 men (2.4%) had been exposed to prenatal stress, and 62,929 (5.2%) experienced the composite outcome during the follow-up period. Prenatal exposure to stress was associated with an elevated risk of reproductive problems (hazard ratio [HR] 1.09; 95% CI, 1.04-1.15). The association was stronger when the exposure occurred during the first trimester of pregnancy, and for congenital malformations of genital organs. When focusing on infertility alone, we saw no evidence of increased risk (HR 0.90; 95% CI, 0.77 1.06). In addition, the probability of marrying a woman was lower for exposed men (HR 0.93; 95% CI, 0.89-0.98). CONCLUSION(S): Prenatal stress in the form of the mother's bereavement during the first trimester of pregnancy is associated with a higher risk of reproductive disorders from congenital malformations of the genital organs in the male offspring. The lack of an association between maternal bereavement and later infertility in the exposed male offspring may be due in part to the men's lower probability of attempting to have children. PMID- 27865451 TI - Astrocytic Contributions to Synaptic and Learning Abnormalities in a Mouse Model of Fragile X Syndrome. AB - BACKGROUND: Fragile X syndrome (FXS) is the most common type of mental retardation attributable to a single-gene mutation. It is caused by FMR1 gene silencing and the consequent loss of its protein product, fragile X mental retardation protein. Fmr1 global knockout (KO) mice recapitulate many behavioral and synaptic phenotypes associated with FXS. Abundant evidence suggests that astrocytes are important contributors to neurological diseases. This study investigates astrocytic contributions to the progression of synaptic abnormalities and learning impairments associated with FXS. METHODS: Taking advantage of the Cre-lox system, we generated and characterized mice in which fragile X mental retardation protein is selectively deleted or exclusively expressed in astrocytes. We performed in vivo two-photon imaging to track spine dynamics/morphology along dendrites of neurons in the motor cortex and examined associated behavioral defects. RESULTS: We found that adult astrocyte-specific Fmr1 KO mice displayed increased spine density in the motor cortex and impaired motor-skill learning. The learning defect coincided with a lack of enhanced spine dynamics in the motor cortex that normally occurs in response to motor skill acquisition. Although spine density was normal at 1 month of age in astrocyte specific Fmr1 KO mice, new spines formed at an elevated rate. Furthermore, fragile X mental retardation protein expression in only astrocytes was insufficient to rescue most spine or behavioral defects. CONCLUSIONS: Our work suggests a joint astrocytic-neuronal contribution to FXS pathogenesis and reveals that heightened spine formation during adolescence precedes the overabundance of spines and behavioral defects found in adult Fmr1 KO mice. PMID- 27865452 TI - CYP2A6 Genetic Variation Alters Striatal-Cingulate Circuits, Network Hubs, and Executive Processing in Smokers. AB - BACKGROUND: Variation in the CYP2A6 gene alters the rate of nicotine metabolic inactivation and is associated with smoking behaviors and cessation success rates. The underlying neurobiological mechanisms of this genetic influence are unknown. METHODS: Intrinsic functional connectivity strength, a whole-brain, data driven, graph theory-based method, was applied to resting-state functional magnetic resonance imaging data in 66 smokers and 92 nonsmokers. A subset of subjects (n = 23/20; smokers/nonsmokers) performed the monetary incentive delay task, probing reward anticipation, and a go/no-go task, probing response inhibition, on two occasions, in the presence and absence of a nicotine patch. RESULTS: A significant CYP2A6 genotype * smoking effect was found in the dorsal anterior cingulate cortex and ventral striatum, such that the normal (vs. slow) genotype individuals showed greater functional connectivity strength among smokers but not nonsmokers. Functional connectivity strength was negatively associated with severity of nicotine dependence in slow metabolizers. Both hubs were biased by inputs from the insula identified from seed-based connectivity. Similar gene * environment interactions were seen in ventral striatum during smoking abstinence when subjects performed the monetary incentive delay task and in dorsal anterior cingulate cortex when they performed the go/no-go task; both reductions were "normalized" in smokers (and increased in nonsmokers) after acute nicotine administration. CONCLUSIONS: Because the CYP2A6 effect was seen only in smokers, these data suggest that the rate of nicotine metabolism-and thus the concentration of nicotine presented to the brain over the course of nicotine addiction-shapes brain circuits that, among other functions, compute reward and impulsivity processes. PMID- 27865454 TI - Does a groin node dissection in vulvar cancer affect groin recurrence and overall survival?: Results from a population-based cohort study. AB - BACKGROUND: To determine, in a population-based cohort of vulvar cancer patients, if groin node dissection (GND) decreases the risk of groin recurrence and increases overall survival. METHODS: This population-based retrospective cohort study includes all cases of invasive squamous cell carcinoma identified in a provincial cancer registry from 1998 to 2007. Data collection was completed for all clinical and pathologic factors by chart abstraction. Cumulative incidence functions for recurrence were estimated, accounting for death before recurrence as a competing risk. Multivariable Cox regression models examined the associations between GND and groin recurrence, and overall survival. RESULTS: Clinical and pathologic data were collected for 1109 patients, of which 1038 patients were eligible for GND. 647 patients (62%) had a GND, while 391 patients (38%) did not. Median follow-up was 2.8years. Cumulative incidence plots demonstrate that the risk of death without recurrence was consistently higher than groin recurrence in each year after diagnosis. On multivariate analysis, GND was not significantly associated with decreased groin recurrence (HR 0.91, 95% CI 0.58-1.44, p=0.70). The hazard of death was 15% lower for women who received GND (HR 0.85, 95% CI 0.63-1.16, p=0.32), but this difference was not statistically significant. CONCLUSIONS: There was no significant difference in groin recurrence or overall survival in those with or without GND in this population-based cohort, raising questions whether a subgroup of patients may not benefit from GND. Patients had a higher probability of dying before groin recurrence could occur. Future trial design should consider death as a competing risk. PMID- 27865455 TI - Analysis of ustiloxins in rice using polymer cation exchange cleanup followed by liquid chromatography-tandem mass spectrometry. AB - Ustiloxins are cyclopeptide mycotoxins produced by the pathogenic fungus Ustilaginoidea virens of rice false smut. Quantification of ustiloxins is essential to assess the food safety of rice infected by rice false smut disease. This paper describes a sensitive method for the simultaneous quantification of ustiloxins A, B, C, D and F in rice grains using liquid chromatography-tandem mass spectrometry (LC-MS/MS). Since notable matrix enhancement effects (21%-78%) occurred for all of the target analytes (except for ustiloxin A), several solid phase extraction materials were tested for their ability to retain ustiloxins from aqueous solutions prior to the LC-MS/MS analysis, including C18 sorbents, polymer anion exchange sorbents resin (PAX), and polymer cation exchange resin (PCX). The PCX resin was adopted due to its higher extraction capability and selectivity for all targets compared to others, and in this case, almost no matrix effects (-5% to 8%) were observed for all of the ustiloxins monitored. The developed method reached limits of quantification of 0.2-2ngg-1, and linearity was statistically verified over two orders of magnitude with regression coefficients (R2)>0.991. The mean recoveries were from 85% to 109%, and the inter day precisions (n=11) were less than 16%, with intra-day precisions (n=6) within 12%. Analysis of samples showed that ustiloxin A was the dominant species, with the content ranging from 5.5 to 273.8ngg-1, followed by ustiloxin B (<=88.7ngg 1), while concentrations of ustiloxins C, D and F were slightly lower (<=43.2ngg 1). To our knowledge, this is the first report on the determination and analysis of five ustiloxins simultaneously in a single analysis. PMID- 27865453 TI - Neurophysiology and Regulation of the Balance Between Excitation and Inhibition in Neocortical Circuits. AB - Brain function relies on the ability of neural networks to maintain stable levels of activity, while experiences sculpt them. In the neocortex, the balance between activity and stability relies on the coregulation of excitatory and inhibitory inputs onto principal neurons. Shifts of excitation or inhibition result in altered excitability impaired processing of incoming information. In many neurodevelopmental and neuropsychiatric disorders, the excitability of local circuits is altered, suggesting that their pathophysiology may involve shifts in synaptic excitation, inhibition, or both. Most studies focused on identifying the cellular and molecular mechanisms controlling network excitability to assess whether they may be altered in animal models of disease. The impact of changes in excitation/inhibition balance on local circuit and network computations is not clear. Here we report findings on the integration of excitatory and inhibitory inputs in healthy cortical circuits and discuss how shifts in excitation/inhibition balance may relate to pathological phenotypes. PMID- 27865456 TI - Selective adsorption of flavor-active components on hydrophobic resins. AB - This work aims to propose an optimum resin that can be used in industrial adsorption process for tuning flavor-active components or removal of ethanol for producing an alcohol-free beer. A procedure is reported for selective adsorption of volatile aroma components from water/ethanol mixtures on synthetic hydrophobic resins. High throughput 96-well microtiter-plates batch uptake experimentation is applied for screening resins for adsorption of esters (i.e. isoamyl acetate, and ethyl acetate), higher alcohols (i.e. isoamyl alcohol and isobutyl alcohol), a diketone (diacetyl) and ethanol. The miniaturized batch uptake method is adapted for adsorption of volatile components, and validated with column breakthrough analysis. The results of single-component adsorption tests on Sepabeads SP20-SS are expressed in single-component Langmuir, Freundlich, and Sips isotherm models and multi-component versions of Langmuir and Sips models are applied for expressing multi-component adsorption results obtained on several tested resins. The adsorption parameters are regressed and the selectivity over ethanol is calculated for each tested component and tested resin. Resin scores for four different scenarios of selective adsorption of esters, higher alcohols, diacetyl, and ethanol are obtained. The optimal resin for adsorption of esters is Sepabeads SP20-SS with resin score of 87% and for selective removal of higher alcohols, XAD16N, and XAD4 from Amberlite resin series are proposed with scores of 80 and 74% respectively. For adsorption of diacetyl, XAD16N and XAD4 resins with score of 86% are the optimum choice and Sepabeads SP2MGS and XAD761 resins showed the highest affinity towards ethanol. PMID- 27865457 TI - Viral Carcinogenesis. AB - Cancer has been recognized for thousands of years. Egyptians believed that cancer occurred at the will of the gods. Hippocrates believed human disease resulted from an imbalance of the four humors: blood, phlegm, yellow bile, and black bile with cancer being caused by excess black bile. The lymph theory of cancer replaced the humoral theory and the blastema theory replaced the lymph theory. Rudolph Virchow was the first to recognize that cancer cells like all cells came from other cells and believed chronic irritation caused cancer. At the same time there was a belief that trauma caused cancer, though it never evolved after many experiments inducing trauma. The birth of virology occurred in 1892 when Dimitri Ivanofsky demonstrated that diseased tobacco plants remained infective after filtering their sap through a filter that trapped bacteria. Martinus Beijerinck would call the tiny infective agent a virus and both Dimitri Ivanofsky and Marinus Beijerinck would become the fathers of virology. Not to long thereafter, Payton Rous founded the field of tumor virology in 1911 with his discovery of a transmittable sarcoma of chickens by what would come to be called Rous sarcoma virus or RSV for short. The first identified human tumor virus was the Epstein Barr virus (EBV), named after Tony Epstein and Yvonne Barr who visualized the virus particles in Burkitt's lymphoma cells by electron microscopy in 1965. Since that time, many viruses have been associated with carcinogenesis including the most studied, human papilloma virus associated with cervical carcinoma, many other anogenital carcinomas, and oropharyngeal carcinoma. The World Health Organization currently estimates that approximately 22% of worldwide cancers are attributable to infectious etiologies, of which viral etiologies is estimated at 15-20%. The field of tumor virology/viral carcinogenesis has not only identified viruses as etiologic agents of human cancers, but has also given molecular insights to all human cancers including the oncogene activation and tumor suppressor gene inactivation. PMID- 27865460 TI - Current and Emerging Targeting Strategies for Treatment of Pancreatic Cancer. AB - With a dismal 5-year survival rate of only 8%, pancreatic cancer still remains a very lethal disease. As with most cancers, pancreatic cancer is treated with different combinations of chemotherapeutic drugs which result in side effects and potential drug resistance leading in many cases to the unfortunate demise of the patient. Over recent years, a number of therapies have been developed against numerous molecular targets in cancers. Kinase inhibitors and monoclonal antibodies have been shown to target numerous kinases, growth factor receptors, and cell signaling pathways. This can lead to effects on tumor cell growth, angiogenesis, apoptosis, and the microenvironment. Most recent findings are very promising as they relate to the use of immunotherapy to treat certain cancers. Immune checkpoint inhibitors and cancer vaccines are currently being investigated. In this review, we will highlight some novel molecular targeted strategies that are being used or considered as potential therapeutics to treat patients with pancreatic cancer. PMID- 27865461 TI - Molecular and Cellular Changes During Cancer Progression Resulting From Genetic and Epigenetic Alterations. AB - Tumorigenesis is a complex process that involves a persistent dismantling of cellular safeguards and checkpoints. These molecular and cellular changes that accumulate over months or decades lead to a change in the fundamental identity of a cell as it transitions from normal to malignant. In this chapter, we will examine some of the molecular changes in the evolving relationship between the genome and epigenome and highlight some of the key changes that occur as normal cells progress to tumor cells. For many years tumorigenesis was almost exclusively attributed to mutations in protein-coding genes. This notion that mutations in protein-coding genes were a fundamental driver of tumorigenesis enabled the development of several novel therapeutics that targeted the mutant protein or overactive pathway responsible for driving a significant portion of the tumor growth. However, because many therapeutic challenges remained in the face of these advances, it was clear that other pieces to the puzzle had yet to be discovered. Advances in molecular and genomics techniques continued and the study of epigenetics began to expand and helped reshape the view that drivers of tumorigenesis extended beyond mutations in protein-coding genes. Studies in the field of epigenetics began to identify aberrant epigenetic marks which created altered chromatin structures and enabled protein expression in tissues that defied rules governing tissue-specificity. Not only were epigenetic alterations found to enable overexpression of proto-oncogenes, they also led to the silencing of tumor suppressor genes. With these discoveries, it became clear that tumor growth could be stimulated by much more than mutations in protein-coding genes. In fact, it became increasingly clear that much of the human genome, while transcribed, did not lead to proteins. This discovery further led to studies that began to uncover the role of noncoding RNAs in regulating chromatin structure, gene transcription, and tumor biology. In this chapter, some of the key alterations in the genome and epigenome will be explored, and some of the cancer therapies that were developed as a result of these discoveries will be discussed. PMID- 27865462 TI - Molecular Changes Associated With Tumor Initiation and Progression of Soft Tissue Sarcomas: Targeting the Genome and Epigenome. AB - Soft tissue sarcomas are rare, but generally aggressive tumors which disproportionately affect children and young adults. They represent less than 10% of all cancers, but are one of the most frequently diagnosed cancers in pediatric patients. These cancers have a high rate of morbidity and mortality, and their overall incidence has been increasing at an estimated rate of 26% over the last 2 decades. The cause of this increased incidence is unknown but various environmental factors have been implicated. Establishing standard therapeutic strategies is challenging for soft tissue sarcomas as more than 50 different histological subtypes exist, each with their own molecular alterations and clinical characteristics, and this combination of tumor heterogeneity and a limited number of clinical cases make detailed omics level molecular studies particularly challenging. This chapter will focus on the unique genetic and epigenetic changes which characterize these cancers, with an emphasis on translocation-associated sarcomas involving primary gene fusions with the RNA chaperone protein EWSR1. We will highlight current therapeutic approaches and discuss opportunities for targeted molecular therapeutics. PMID- 27865463 TI - Molecular Changes During Acute Myeloid Leukemia (AML) Evolution and Identification of Novel Treatment Strategies Through Molecular Stratification. AB - Acute myeloid leukemia (AML) is a hematopoietic malignancy characterized by impaired differentiation and uncontrollable proliferation of myeloid progenitor cells. Due to high relapse rates, overall survival for this rapidly progressing disease is poor. The significant challenge in AML treatment is disease heterogeneity stemming from variability in maturation state of leukemic cells of origin, genetic aberrations among patients, and existence of multiple disease clones within a single patient. Disease heterogeneity and the lack of biomarkers for drug sensitivity lie at the root of treatment failure as well as selective efficacy of AML chemotherapies and the emergence of drug resistance. Furthermore, standard-of-care treatment is aggressive, presenting significant tolerability concerns to the commonly advanced-age AML patient. In this review, we examine the concept and potential of molecular stratification, particularly with biologically relevant drug responses, in identifying low-toxicity precision therapeutic combinations and clinically relevant biomarkers for AML patient care as a way to overcome these challenges in AML treatment. PMID- 27865459 TI - Molecular Pathogenesis of Pancreatic Cancer. AB - Pancreatic cancers arise predominantly from ductal epithelial cells of the exocrine pancreas and are of the ductal adenocarcinoma histological subtype (PDAC). PDAC is an aggressive disease associated with a poor clinical prognosis, weakly effective therapeutic options, and a lack of early detection methods. Furthermore, the genetic and phenotypic heterogeneity of PDAC complicates efforts to identify universally efficacious therapies. PDACs commonly harbor activating mutations in the KRAS oncogene, which is a potent driver of tumor initiation and maintenance. Inactivating mutations in tumor suppressor genes such as CDKN2A/p16, TP53, and SMAD4 cooperate with KRAS mutations to cause aggressive PDAC tumor growth. PDAC can be classified into 3-4 molecular subtypes by global gene expression profiling. These subtypes can be distinguished by distinct molecular and phenotypic characteristics. This chapter will provide an overview of the current knowledge of PDAC pathogenesis at the genetic and molecular level as well as novel therapeutic opportunities to treat this highly aggressive disease. PMID- 27865464 TI - Myeloproliferative Neoplasms: Molecular Drivers and Therapeutics. AB - Activating mutations in genes that drive neoplastic cell growth are numerous and widespread in cancer, and specific genetic alterations are associated with certain types of cancer. For example, classic myeloproliferative neoplasms (MPNs) are hematopoietic stem cell disorders that affect cells of the myeloid lineage, including erythrocytes, platelets, and granulocytes. An activating mutation in the JAK2 tyrosine kinase is prevalent in these diseases. In MPN patients that lack such a mutation, other genetic changes that lead to activation of the JAK2 signaling pathway are present, indicating deregulation of JAK2 signaling plays an etiological driving role in MPNs, a concept supported by significant evidence from in vivo experimental MPN systems. Thus, small molecules that inhibit JAK2 activity are ideal drugs to impede the progression of disease in MPN patients. However, even though JAK inhibitors provide significant symptomatic relief, they have failed as a remission-inducing therapy. Nonetheless, the progress made understanding the molecular etiology of MPNs since 2005 is significant and has provided insight for the development and testing of novel molecular targeted therapeutic approaches. The current understanding of driver mutations in MPNs and an overview of current and potential therapeutic strategies for MPN patients will be discussed. PMID- 27865465 TI - Dysregulation of Aromatase in Breast, Endometrial, and Ovarian Cancers: An Overview of Therapeutic Strategies. AB - Aromatase is the rate-limiting enzyme in the biosynthesis of estrogens, which play crucial roles on a spectrum of developmental and physiological processes. The biological actions of estrogens are classically mediated by binding to two estrogen receptors (ERs), ERalpha and ERbeta. Encoded by the cytochrome P450, family 19, subfamily A, polypeptide 1 (CYP19A1) gene, aromatase is expressed in a wide variety of tissues, as well as benign and malignant tumors, and is regulated in a pathway- and tissue-specific manner. Overexpression of aromatase, leading to elevated systemic levels of estrogen, is unequivocally linked to the pathogenesis and growth of a number malignancies, including breast, endometrium, and ovarian cancers. Aromatase inhibitors (AIs) are routinely used to treat estrogen dependent breast cancers in postmenopausal women; however, their roles in endometrial and ovarian cancers remain obscure. While AI therapy is effective in hormone sensitive cancers, they diminish estrogen production throughout the body and, thus, generate undesirable side effects. Despite the effectiveness of AI therapy, resistance to endocrine therapy remains a major concern and is the leading cause of cancer death. Considerable advances, toward mitigating these issues, have evolved in conjunction with a number of histone deacetylase (HDAC) inhibitors for countering an assortment of diseases and cancers, including the aforesaid malignancies. HDACs are a family of enzymes that are frequently dysregulated in human tumors. This chapter will discuss the current understanding of aberrant regulation and expression of aromatase in breast, endometrial, and ovarian cancers, and potential therapeutic strategies for prevention and treatment of these life-threatening diseases. PMID- 27865466 TI - Wnt/beta Catenin-Mediated Signaling Commonly Altered in Colorectal Cancer. AB - Colorectal cancer is the second most common cancer in females and the third most common cancer diagnosed in males (Torre et al.1). In 2012, there were about 1.4 million cases and 693,900 deaths due to colorectal cancer worldwide. It is more common in developed countries, and North America, Europe, and Australia have the highest incidence rates. In the United States, adults have a 5% chance of developing colorectal cancer (Cancer of the colon and rectum-SEER stat fact sheets2). Due to the high prevalence of colorectal cancer, understanding the mechanism underlying its initiation and progression in order to find better therapeutic agents will have a high impact in the field of oncology and may improve the treatment of other cancers with shared mechanistic properties. Aberrant Wnt/beta-catenin signaling is a characteristic feature of colorectal cancer development and is the focus of this review. PMID- 27865467 TI - Molecular Changes During Breast Cancer and Mechanisms of Endocrine Therapy Resistance. AB - Estrogen receptors (ERs) are expressed in 75% of breast cancers. ERs and their estrogen ligands play a key role in the development and progression of breast cancer. ERs have a genomic activity involving direct modulation of expression of genes vital to cell growth and survival by their classic nuclear receptors. The nongenomic activity is mediated by membrane receptor tyrosine kinases that activate signaling pathways resulting in activation of ER pathway modulators. Endocrine therapies inhibit the growth promoting activity of estrogen. ERs positive breast cancers can exhibit de novo or acquired endocrine resistance. The mechanisms of endocrine therapy resistance are complex include deregulation of ER pathway, growth factor receptor signaling, cell cycle machinery, and tumor microenvironment. In this chapter, we will review the literature on the biology of ERs, the postulated mechanisms of endocrine therapy resistance, and their clinical implications. PMID- 27865468 TI - Molecular and Cellular Changes in Breast Cancer and New Roles of lncRNAs in Breast Cancer Initiation and Progression. AB - Breast cancer is not just one disease but many variations on a theme, comprising a variety of molecular subtypes with distinct etiologies, cellular origins, treatment strategies, and prognoses. Like mRNAs and microRNAs (miRNAs), long noncoding RNAs (lncRNAs) differ dramatically in expression across breast cancer subtypes and can be used for classification. While there has been considerable emphasis on miRNAs, our knowledge is still in its infancy about the role of lncRNAs that comprise the majority of the mammalian transcriptome. In this chapter, we will review the critical functions that lncRNAs play in breast cancer development and metastatic progression. We will conclude with a discussion of current and future approaches for RNA-targeted therapeutic intervention. PMID- 27865469 TI - Interplay Between Inflammation and Epigenetic Changes in Cancer. AB - Immune responses can suppress tumorigenesis, but also contribute to cancer initiation and progression suggesting a complex interaction between the immune system and cancer. Epigenetic alterations, which are heritable changes in gene expression without changes to the DNA sequence, also play a role in carcinogenesis through silencing expression of tumor suppressor genes and activating oncogenic signaling. Interestingly, epithelial cells at sites of chronic inflammation undergo DNA methylation alterations that are similar to those present in cancer cells, suggesting that inflammation may initiate cancer specific epigenetic changes in epithelial cells. Furthermore, epigenetic changes occur during immune cell differentiation and participate in regulating the immune response, including the regulation of inflammatory cytokines. Cancer cells utilize epigenetic silencing of immune-related genes to evade the immune response. This chapter will detail the interactions between inflammation and epigenetics in tumor initiation, promotion, and immune evasion and how these connections are being leveraged in cancer prevention and treatment. PMID- 27865470 TI - Preface. PMID- 27865471 TI - Satisfaction and treatment adherence in erectile dysfunction in the medium and long term. AB - INTRODUCTION: The aim of this study was to show the satisfaction and treatment adherence in erectile dysfunction (ED) in the medium and long term. MATERIAL AND METHODS: A descriptive, comparative study was conducted in 2 centres through telephone interviews with patients who came for an initial visit between 2012 and 2014 for ED. A complete case history review was conducted on the use of and withdrawal from treatment. For current use, the Erectile Dysfunction Inventory of Treatment Satisfaction (EDITS) and the Global Assessment Questionnaire (GAQ) were filled out; for past use, only the GAQ was filled out. For the statistical analysis, we employed Fisher's exact test for comparisons of percentages and the Kruskal-Wallis test to compare means. RESULTS: The study included 250 patients; 20.8% were prescribed intraurethral alprostadil (ALP-IU), 17.2% were prescribed intracavernous alprostadil (ALP-IC), 92.8% were prescribed a first IPD5, and 24.8% were prescribed at least a second IPD5. The treatment withdrawal rate was 62.07% for the first IPD5, 41.94% for the last IPD5, 69.23% for the ALP-IU and 65.11% for the ALP-IC (P=.007). The main reason for withdrawal for the IPD5 was a lack of response (32.76% of those who took IPD5). In addition to withdrawal, there were adverse reactions for ALP-IU and ALP-IC (28.85% and 11.63%, respectively). The mean duration of use until withdrawal was 4.3 months for IPD5, 2.2 months for ALP-IU and 5.5 months for ALP-IC (P=.064). The most favourable GAQ and EDITS scores were observed for IPD5 (EDITS score of 74). Sildenafil and tadalafil had the longest usage times (mean >5 months). CONCLUSIONS: The withdrawal rate for treating ED is high, with short usage times of a few months. A lack of response and adverse reactions were the main causes for withdrawal. The drugs that provide greater satisfaction are the IPD5, although there are no significant differences in the mean usage time between the different types and in aspects such as the mean usage time to withdrawal or the withdrawal rates. PMID- 27865472 TI - Taking a STEP back: Assessing the outcomes of multiple STEP procedures. AB - PURPOSE: Short bowel syndrome (SBS) is a highly morbid condition primarily because of parenteral nutrition (PN)-associated complications. Bowel lengthening via serial transverse enteroplasty (STEP) has become standard of care. While initial STEPs have resulted in weaning from PN, outcomes of repeated STEPs (ReSTEPs) are not well described. We investigated outcomes of initial STEP compared to ReSTEP procedures. METHODS: This retrospective review of STEPs included 17 children and a total of 24 procedures. Demographics, complications, hospital readmission rates, postoperative costs, and PN weaning were analyzed. RESULTS: Neither patient-specific data nor the etiology of SBS was predictive of requiring a ReSTEP. PN weaning was more likely in the year following a first STEP (18% wean rate vs. 0% for ReSTEP, p>.05). No ReSTEP patients reached enteral autonomy. Enteral nutrition (%EN) increases were greater after first STEP compared to ReSTEP (26.0% vs. 4.7%, p=0.03). This trend was true for bowel length as well, where first STEPs resulted in a 51% increase in bowel length compared to a 20% increase after in ReSTEP (p=0.02). CONCLUSIONS: ReSTEPs failed to result in significant PN weaning, with no ReSTEP patients achieving enteral autonomy during follow-up. Given its higher costs, smaller bowel length gains, and limited ability to produce enteral autonomy, surgeons should carefully consider performing ReSTEP procedures. LEVEL OF EVIDENCE: Level III. PMID- 27865473 TI - Automated data extraction: merging clinical care with real-time cohort-specific research and quality improvement data. AB - BACKGROUND/PURPOSE: Although prohibitively labor intensive, manual data extraction (MDE) is the prevailing method used to obtain clinical research and quality improvement (QI) data. Automated data extraction (ADE) offers a powerful alternative. The purposes of this study were to 1) assess the feasibility of ADE from provider-authored outpatient documentation, and 2) evaluate the effectiveness of ADE compared to MDE. METHODS: A prospective collection of data was performed on 90 ADE-templated notes (N=71 patients) evaluated in our bowel management clinic. ADE captured data were compared to 59 MDE notes (N=51) collected under an IRB-exempt review. Sixteen variables were directly comparable between ADE and MDE. RESULTS: MDE for 59 clinic notes (27 unique variables) took 6months to complete. ADE-templated notes for 90 clinic notes (154 unique variables) took 5min to run a research/QI report. Implementation of ADE included eight weeks of development and testing. Pre-implementation clinical documentation was similar to post-implementation documentation (5-10min). CONCLUSIONS: ADE templated notes allow for a 5-fold increase in clinically relevant data that can be captured with each encounter. ADE also results in real-time data extraction to a research/QI database that is easily queried. The immediate availability of these data, in a research-formatted spreadsheet, allows for rapid collection, analyses, and interpretation of the data. LEVEL OF EVIDENCE: IV. TYPE OF STUDY: Retrospective Study. PMID- 27865474 TI - Tubeless Uniportal Thoracoscopic Wedge Resection for Peripheral Lung Nodules. AB - BACKGROUND: Endotracheal intubation and chest tube drainage are considered mandatory for thoracoscopic pulmonary resection. The management of peripheral lung nodules by tubeless uniportal thoracoscopic surgical repair has not been reported previously. METHODS: From October 2015 through January 2016, 30 consecutive patients with peripheral lung nodules underwent uniportal thoracoscopic wedge resection without endotracheal intubation and chest tube drainage (tubeless group). The clinical outcomes were compared with the outcomes in 30 consecutive patients with peripheral lung nodules who underwent uniportal thoracoscopic wedge resection with chest tube drainage from April through October 2015 (chest tube group). RESULTS: The demographic, anesthetic, and operative characteristics of the patients were comparable in both groups. No major adverse events occurred after operation. A small residual pneumothorax was noted in 12 (40.0%) patients at 6 hours and day 1 and in 2 (6.6%) patients on day 14 in the tubeless group. No patient required reintervention or readmission to the hospital. Patients in the tubeless group had lower pain scale scores on postoperative day 1 (mean, 1.0 vs 1.5, p = 0.012) and shorter postoperative hospital stays (mean, 3.1 days vs 4.4 days, p = 0.011) than did those in the chest tube group. CONCLUSIONS: Tubeless uniportal thoracoscopic wedge resection is feasible and safe and may be a less invasive alternative for treating selected patients with peripheral lung nodules. PMID- 27865476 TI - Endobronchial and Endoscopic Ultrasound-Guided Transvascular Biopsy of Mediastinal, Hilar, and Lung Lesions. AB - BACKGROUND: Endoscopic techniques, including endobronchial ultrasound (EBUS) and endoscopic ultrasound (EUS), are the initial approach for the diagnosis and staging of lung cancer and the diagnosis of mediastinal and hilar lesions. Historically, the transvascular approach has been avoided because of concerns of bleeding. Here we review our experience with EBUS and EUS transvascular biopsy of mediastinal, hilar, and lung lesions. METHODS: A prospective research database was used to retrospectively identify and review the records 33 consecutive patients who underwent EBUS and EUS transvascular biopsy in an outpatient setting over 4 years. Complications were identified as significant hematoma seen with endoscopic ultrasound, hemothorax, hemoptysis other than minor, hemodynamic instability, hospital admission, and death. RESULTS: The biopsies in 14 patients were performed through branches of the pulmonary artery, and 19 were done through the aorta. All EUS biopsies were performed with a 22-gauge needle, and all EBUS biopsies were performed with a 21-gauge needle. Malignancy was diagnosed with specimens from a transvascular biopsy in 16 patients (48.5%). Samples from 8 biopsies (24%) were described as negative for malignancy, and 9 specimens (27%) were described as insufficient. No complications were seen in the immediate postprocedural period, and all 33 patients were discharged home the same day. The median follow-up after the procedure was 12 months, with no complications described. The overall yield was 73%. CONCLUSIONS: In this series, EBUS- and EUS guided transvascular approach for biopsy of mediastinal, hilar, and lung lesions was not associated with significant complications. However, careful selection of potential candidates and close periprocedural observation are mandatory. PMID- 27865475 TI - Soluble Receptor for Advanced Glycation End Products Quantifies Lung Injury in Polytraumatized Patients. AB - BACKGROUND: Biomarkers caused by blunt chest trauma might leak into the vascular compartment and therefore reflect the severity of parenchymal lung injury (PLI). Five promising proteins were preselected after a literature scan. The objective of our study was to identify a biomarker that is released abundantly into the serum shortly after trauma and reliably quantifies the loss of functional lung tissue. METHODS: Polytraumatized patients (aged >=18 years, Injury Severity Score [ISS] >=16) were included in our prospective observational study if they were admitted directly to our level I trauma center during the first hour after trauma occurred. Immediately after stabilizing the patient's condition, blood samples were taken and a whole-body computed tomographic (CT) scan was obtained. Biomarker levels were measured directly after admission and on day 2. PLI volume was calculated using volumetric analysis. RESULTS: One hundred thirty patients met the inclusion criteria. Compared with a matched healthy control population, median levels of the soluble receptor for advanced glycation end products (sRAGE) was almost 3 times higher and decreased by 41% on day 2. Higher initial median sRAGE levels were detected in patients with PLI compared with patients without PLI and in individuals with severe PLI compared with those with mild PLI. Spearman correlation analysis and a univariate linear log regression model revealed a significant correlation/equation between initial sRAGE levels and relative PLI volume. Receiver operating characteristic (ROC) statistics identified the initial sRAGE level as an indicator of severe PLI. CONCLUSIONS: sRAGE levels measured shortly after trauma seem to be a promising diagnostic tool to assess the severity of PLI in polytraumatized patients. PMID- 27865458 TI - The Interaction Between Human Papillomaviruses and the Stromal Microenvironment. AB - Human papillomaviruses (HPVs) are small, double-stranded DNA viruses that replicate in stratified squamous epithelia and cause a variety of malignancies. Current efforts in HPV biology are focused on understanding the virus-host interactions that enable HPV to persist for years or decades in the tissue. The importance of interactions between tumor cells and the stromal microenvironment has become increasingly apparent in recent years, but how stromal interactions impact the normal, benign life cycle of HPVs, or progression of lesions to cancer is less understood. Furthermore, how productively replicating HPV impacts cells in the stromal environment is also unclear. Here we bring together some of the relevant literature on keratinocyte-stromal interactions and their impacts on HPV biology, focusing on stromal fibroblasts, immune cells, and endothelial cells. We discuss how HPV oncogenes in infected cells manipulate other cells in their environment, and, conversely, how neighboring cells may impact the efficiency or course of HPV infection. PMID- 27865477 TI - Tracheostomy Among Infants With Hypoplastic Left Heart Syndrome Undergoing Cardiac Operations: A Multicenter Analysis. AB - BACKGROUND: Less than 2.7% of infants undergoing congenital heart disease operations have difficulty weaning from invasive mechanical ventilation. In such instances, clinicians may choose to perform tracheostomy. Limited literature has examined tracheostomy placement specifically in infants with hypoplastic left heart syndrome (HLHS). This study evaluated the risk factors for tracheostomy placement in infants with HLHS and examined the outcomes of these infants before their first hospital discharge. METHODS: This retrospective analysis of the Pediatric Heath Information System data set included infants with HLHS who underwent stage 1 Norwood operation, a hybrid procedure, or heart transplant from 2004 through 2013. RESULTS: We identified 5721 infants with HLHS, and 126 underwent tracheostomy placement. Infants in the tracheostomy group had more morbidities and a higher mortality rate across the study period. Diagnosis of chromosomal abnormalities, anomalies of the trachea and esophagus, larynx, diaphragm and nervous system, bilateral vocal cord paralysis, and necrotizing enterocolitis, and procedures including extracorporeal membrane oxygenation support, cardiac catheterization, and gastrostomy tube were independently associated with tracheostomy placement in the study population. Despite an overall increase in rates of tracheostomy performed in infants with HLHS during the study period, the mortality rate did not improve among tracheostomy patients. CONCLUSIONS: Several risk factors were identified in infants with HLHS in whom a tracheostomy was placed during their first hospitalization. Despite an overall increase in rates of tracheostomies during the study period, the mortality rate did not improve among these patients. Appropriate family counseling and thorough preoperative case selection is suggested when discussing possible tracheostomy placement in infants with HLHS. PMID- 27865478 TI - The limits of stability and muscle activity in middle-aged adults during static and dynamic stance. AB - Balance control plays an important role in maintaining daily activity. However, studies on postural control among middle-aged adults are scarce. This study aims (i) to examine directional control (DCL) and electromyography activity (EMG) for different stability levels, and (ii) to determine left-right asymmetry for DCL and muscle activity among sedentary middle-aged adults. Twenty healthy, middle aged adults (10 males, 10 females; age=50.0+/-7.5yrs; body height: 1.61+/-0.10m; body mass: 70.0+/-14.5kg) participated in the study. EMG for left and right side of rectus femoris (RF), biceps femoris (BF), and medial gastrocnemius (MG) were recorded. Two-way repeated measures analysis of variance was used to assess the effect of dynamic level on DCL and EMG, whereas independent sample t-test was conducted to analyse the asymmetries of DCL and EMG for the left and right leg. When the dynamic tilt surface increased, DCL scores significantly decreased (except forward, forward-rightward, and backward-leftward direction) and only RF muscle indicated significant differences. Left-right asymmetry was found in BF and MG muscles. No significant gender difference was observed in DCL and EMG. These data demonstrated that increased dynamic tilt surface may increase the displacement of center of pressure of certain directions, and stimulate RF activity in dynamic stance among sedentary middle-aged adults. Further studies should be conducted to examine the dynamic stance and muscle activity of the lower limb in age-matched patient groups with balance abnormalities. PMID- 27865479 TI - Evaluation of knee functional calibration with and without the effect of soft tissue artefact. AB - Functional calibration methods were devised to improve repeatability and accuracy of the knee flexion-extension axis, which is used to define the medio-lateral axis of the femur coordinate system in gait analysis. Repeatability of functional calibration methods has been studied extensively in healthy individuals, but not accuracy in the absence of a benchmark knee axis. We captured bi-plane fluoroscopy data of the knee joint in 17 subjects with unilateral total knee arthroplasty during treadmill walking. The prosthesis provided a benchmark knee axis to evaluate the functional calibration methods. Stereo-photogrammetry data of thigh and shank marker clusters were captured simultaneously to investigate the effect of soft tissue artefact (STA). Three methods were tested, the Axis Transformation Technique (ATT) finds the best single fixed axis of rotation, 2DofKnee finds the axis that minimises knee varus-valgus and trajAJC finds the axis perpendicular to the trajectory, in the transverse plane of the femur, of a point located on the longitudinal axis of the tibia. Using fluoroscopy data, functional axes formed an angle of less than 2 degrees in the transverse plane with the benchmark axis. True internal-external range of movement was correlated with decreased accuracy for ATT, while varus-valgus range of movement was correlated with decreased accuracy for 2DofKnee and trajAJC. STA had negative impact on accuracy and variability. Using stereo-photogrammetry data, the accuracy of 2DofKnee was 1.7 degrees (SD: 5.1 degrees ), smaller than ATT 2.9 degrees (SD: 5.1 degrees ) but not to trajAJC 1.7 degrees (SD: 5.2 degrees ). Our results confirm that of previous studies, which utilised the femur condylar axis as reference. PMID- 27865481 TI - The influence of tethering and gravity on the stability of compliant liquid-lined airways. AB - This study revolves around two simple questions: 1) how does pulmonary airway recruitment/de-recruitment (RecDer) depend on the tethering support provided by surrounding airways and alveoli, and 2) does airway angle of inclination (theta) influence airway stability? These two questions are critical to understanding the existence and prevention of atelectrauma, which may contribute to ventilator induced lung injury (VILI). To address these questions, we develop PDMS 2mm ID compliant tubes that mimic pulmonary airways. Airway obstruction is modeled using silicone oil, and recruitment occurs through insufflation with a constant flow of air at Q=0.25ml/s. Parenchymal tethering is modeled through the use of a pressure chamber through which we independently establish the external pressure (Pext). Repetitive RecDer oscillation is observed as a function of Pext and theta. We find that airway collapse significantly increases the rate of instability, and this rate correlates strongly with the dimensionless film thickness (epsilon=h/R), where h is the film thickness and R is the transumural pressure dependent vessel radius. Furthermore, the angle of orientation influences RecDer oscillation, with stability decreased when airflow is directed in the upward direction. These results may provide insight into protective mechanical ventilation processes that can reduce the existence or severity of VILI. PMID- 27865480 TI - Biofluids, cell mechanics and epigenetics: Flow-induced epigenetic mechanisms of endothelial gene expression. AB - Epigenetics is the regulation of gene expression (transcription) in response to changes in the cell environment through genomic modifications that largely involve the non-coding fraction of the human genome and that cannot be attributed to modification of the primary DNA sequence. Epigenetics is dominant in establishing cell fate and positioning during programmed embryonic development. However the same pathways are used by mature postnatal and adult mammalian cells during normal physiology and are implicated in disease mechanisms. Recent research demonstrates that blood flow and pressure are cell environments that can influence transcription via epigenetic pathways. The principal epigenetic pathways are chemical modification of cytosine residues of DNA (DNA methylation) and of the amino tails of histone proteins associated with DNA in nucleosomes. They also encompass the post-transcriptional degradation of mRNA transcripts by non-coding RNAs (ncRNA). In vascular endothelium, epigenetic pathways respond to temporal and spatial variations of flow and pressure, particularly hemodynamic disturbed blood flow, with important consequences for gene expression. The biofluid environment is linked by mechanotransduction and solute transport to cardiovascular cell phenotypes via signaling pathways and epigenetic regulation for which there is an adequate interdisciplinary infrastructure with robust tools and methods available. Epigenetic mechanisms may be less familiar than acute genomic signaling to Investigators at the interface of biofluids, biomechanics and cardiovascular biology. Here we introduce a biofluids / cellular biomechanics readership to the principal epigenetic pathways and provide a contextual overview of endothelial epigenetic plasticity in the regulation of flow-responsive transcription. PMID- 27865484 TI - A Possible Amphidromic Relation Between Spontaneous Coronary Artery Dissection and Takotsubo Syndrome. PMID- 27865482 TI - Predictors of Suboptimal Gain in Exercise Capacity After Cardiac Rehabilitation. AB - Cardiac rehabilitation (CR) improves exercise capacity (EC), but not all CR participants achieve such improvements. Our primary aim was to develop a tool to identify those with suboptimal improvement in EC after CR. We retrospectively analyzed 541 patients enrolled in a phase-II CR program after a cardiac event or intervention from 2003 to 2014. EC was assessed with the 6-minute walk test. We developed a multivariate linear regression model and corresponding nomogram to predict EC after CR. The predictors included in the final model were age, gender, baseline EC, primary referral diagnosis, body mass index, systolic blood pressure at rest, triglycerides, low-density lipoprotein cholesterol, lipid-lowering medication use, and an interaction term of low-density lipoprotein cholesterol with lipid-lowering therapy. The prediction model was internally validated using bootstrap methods, and a nomogram was created for ease of use. In conclusion, this tool helps to identify those patients with suboptimal improvement in EC who could be targeted for individualized interventions to increase their performance. PMID- 27865483 TI - Acute Aortic Dissection With Intussusception of the Partition Between the True and False Channels Leading to Near Total Aortic Occlusion (True Aortic Stenosis). AB - Described herein are 2 patients with fatal acute aortic dissection resulting in a circumferential intimal-medial tear causing the partition between the true and false channels to roll up and propagate forward as an intra-aortic intussusception (a receiving within). PMID- 27865485 TI - Comparison of the Effectiveness of Stress Echocardiography Versus Myocardial Perfusion Imaging in Patients Presenting to the Emergency Department With Low Risk Chest Pain. AB - The aim of this study was to compare clinically relevant cardiovascular outcomes and downstream resource utilization associated with stress echocardiography (SE) and myocardial perfusion imaging (MPI) in emergency department patients with low risk chest pain. This was a retrospective analysis of health insurance claims data for a national sample of privately insured patients over the period January 1 to December 31, 2011. Subjects were selected who presented to the emergency department with a primary or secondary diagnosis of chest pain and underwent either SE or MPI. The primary end points were the percentage of patients in each group who underwent downstream cardiac catheterization, revascularization, repeat noninvasive testing, return emergency department visit with chest pain, and hospitalization for myocardial infarction. The mean length of follow-up was 190 days in both groups. Overall, 48,202 patients or 24,101 propensity-matched pairs were included in the final analysis. Compared with SE, MPI was associated with significantly higher odds of subsequent cardiac catheterization (adjusted odds ratio [AOR] 2.15; 95% confidence interval [CI] 1.99 to 2.33) and revascularization procedures (AOR 1.58; 95% CI 1.36 to 1.85) and repeat emergency department visits (AOR 1.14; 95% CI 1.11 to 1.19). The odds of repeat testing and myocardial infarction did not differ between groups. The average cost of downstream care was significantly higher in the MPI group ($2,193.80 vs $1,631.10, p <0.0001). According to the a priori rules specified for this comparative analysis, SE is more effective than MPI for privately insured patients who present to the emergency department with chest pain. In conclusion, these findings demonstrate the importance of assessing diagnostic tests based on how they affect hard end points because identification of disease, in and of itself, may not confer any clinical advantage. PMID- 27865486 TI - National single-step genomic method that integrates multi-national genomic information. AB - The aim of this paper was to develop a national single-step genomic BLUP that integrates multi-national genomic estimated breeding values (EBV) and associated reliabilities without double counting dependent data contributions from the different evaluations. Simultaneous use of all data, including phenotypes, pedigree, and genotypes, is a condition to obtain unbiased EBV. However, this condition is not always fully met, mainly due to unavailability of foreign raw data for imported animals. In dairy cattle genetic evaluations, this issue is traditionally tackled through the multiple across-country evaluation (MACE) of sires, performed by Interbull Centre (Uppsala, Sweden). Multiple across-country evaluation regresses all the available national information onto a joint pedigree to obtain country-specific rankings of all sires without sharing the raw data. In the context of genomic selection, the issue is handled by exchanging sire genotypes and by using MACE information (i.e., MACE EBV and reliabilities), as a valuable source of "phenotypic" data. Although all the available data are considered, these "multi-national" genomic evaluations use multi-step methods assuming independence of various sources of information, which is not met in all situations. We developed a method that handles this by single-step genomic evaluation that jointly (1) uses national phenotypic, genomic, and pedigree data; (2) uses multi-national genomic information; and (3) avoids double counting dependent data contributions from an animal's own records and relatives' records. The method was demonstrated by integrating multi-national genomic EBV and reliabilities of Brown Swiss sires, included in the InterGenomics consortium at Interbull Centre, into the national evaluation in Slovenia. The results showed that the method could (1) increase reliability of a national (genomic) evaluation; (2) provide consistent ranking of all animals: bulls, cows, and young animals; and (3) increase the size of a genomic training population. These features provide more efficient and transparent selection throughout a breeding program. PMID- 27865487 TI - Prediction and validation of residual feed intake and dry matter intake in Danish lactating dairy cows using mid-infrared spectroscopy of milk. AB - The present study explored the effectiveness of Fourier transform mid-infrared (FT-IR) spectral profiles as a predictor for dry matter intake (DMI) and residual feed intake (RFI). The partial least squares regression method was used to develop the prediction models. The models were validated using different external test sets, one randomly leaving out 20% of the records (validation A), the second randomly leaving out 20% of cows (validation B), and a third (for DMI prediction models) randomly leaving out one cow (validation C). The data included 1,044 records from 140 cows; 97 were Danish Holstein and 43 Danish Jersey. Results showed better accuracies for validation A compared with other validation methods. Milk yield (MY) contributed largely to DMI prediction; MY explained 59% of the variation and the validated model error root mean square error of prediction (RMSEP) was 2.24kg. The model was improved by adding live weight (LW) as an additional predictor trait, where the accuracy R2 increased from 0.59 to 0.72 and error RMSEP decreased from 2.24 to 1.83kg. When only the milk FT-IR spectral profile was used in DMI prediction, a lower prediction ability was obtained, with R2=0.30 and RMSEP=2.91kg. However, once the spectral information was added, along with MY and LW as predictors, model accuracy improved and R2 increased to 0.81 and RMSEP decreased to 1.49kg. Prediction accuracies of RFI changed throughout lactation. The RFI prediction model for the early-lactation stage was better compared with across lactation or mid- and late-lactation stages, with R2=0.46 and RMSEP=1.70. The most important spectral wavenumbers that contributed to DMI and RFI prediction models included fat, protein, and lactose peaks. Comparable prediction results were obtained when using infrared-predicted fat, protein, and lactose instead of full spectra, indicating that FT-IR spectral data do not add significant new information to improve DMI and RFI prediction models. Therefore, in practice, if full FT-IR spectral data are not stored, it is possible to achieve similar DMI or RFI prediction results based on standard milk control data. For DMI, the milk fat region was responsible for the major variation in milk spectra; for RFI, the major variation in milk spectra was within the milk protein region. PMID- 27865488 TI - The influence of 3 different navel dips on calf health, growth performance, and umbilical infection assessed by clinical and ultrasonographic examination. AB - The objectives were to investigate the effect of 3 navel dips on (1) umbilical infection, (2) health events (pneumonia, diarrhea, and arthritis), and (3) average daily gain (ADG) in newborn dairy calves. A secondary aim was to compare the agreement of standardized ultrasonographic examination with clinical examination for the diagnosis of umbilical infection. In a randomized block design, newborn calves were assigned by birth order to 3 treatment groups: Navel Guard (NG; SCG-Solutions Inc., McDonough, GA), 7% iodine tincture (SI), and 2% chlorhexidine gluconate (CH). Treatment consisted of a single dip administration of the umbilicus immediately after removal of the newborn from the calving pen with 1 of the 3 navel dips. Weekly clinical examinations were carried out during the first 4wk of life with special attention being paid to the umbilicus, joints, respiratory tract, and fecal consistency, and included ultrasonographic evaluation of the umbilical structures. Body weight was assessed by using a girth tape at first and last evaluation. Multivariable logistic regression demonstrated no statistical differences in umbilical infection or health events. Multivariable linear regression analysis showed statistical differences in ADG (least squares means +/- standard errors) between groups, with 494+/-29, 571+/-29, and 516+/ 29g/d in groups NG, SI, and CH, respectively. Overall mortality during the study period was 9.5% (n=40). Postmortem examination identified diarrhea (80%) as the main disorder with 19, 4, and 9 calves in groups NG, SI, and CH, respectively. Kappa values yielded fair [0.30 (95% CI: -0.03-0.63)], good [0.61 (95% CI 0.46 0.75)], moderate [0.53 (95% CI 0.31-0.74)], and moderate [0.49 (95% CI 0.19 0.79)] agreement for detection of omphalitis between clinical and ultrasonographic evaluation in wk 1, 2, 3, and 4, respectively. Agreement was very good for detection of omphaloplebitis, with kappa values (95% CI) of 0.91 (0.80-1.00), 0.87 (0.75-0.98), and 0.90 (0.76-1.00) in wk 2, 3, and 4, respectively, when omphalophlebitis was diagnosed. We detected no difference in the effectiveness of the 3 treatments in the prevention of umbilical infection, pneumonia, diarrhea, or arthritis. PMID- 27865489 TI - Effects of heating on the secondary structure of proteins in milk powders using mid-infrared spectroscopy. AB - Milk powder is an important source of protein for adults and children. Protein is very sensitive to heat, which may influence people's usage of nutrients in milk powder. In this study, we describe the temperature-induced secondary structure of protein in milk powders. In this study, whole milk powder containing 24% protein and infant formula containing 11% protein were heated from 25 to 100 degrees C. Attenuated total reflectance (ATR) spectra in the mid-infrared range 400-4,000cm 1 were used to evaluate the heat effect on the secondary structure of protein in these 2 milk powders. The spectral changes as a function of temperature were maintained by difference spectra, second-derivative spectra and Gauss curve fitted spectra. The secondary structures of protein in the whole milk powder began to change at 70 degrees C and in the infant formula at 50 degrees C. The beta-sheet and beta-turn structures in the whole milk powder both decreased in the range of 70 to 85 degrees C, whereas alpha-helix structures increased. The loss of beta-sheet and beta-turn may contribute to the formation of alpha-helix in the whole milk powder. In infant formula powder, the beta-sheet structure showed a decrease and then increase, whereas the beta-turn structure showed an increase and then decrease in the range of 50 to 75 degrees C, and no change was found for alpha-helix structures. This implies that heating may induce the transformation from beta-sheet to beta-turn. Overall, whole milk powder had better temperature stability than infant formula powder, probably because of the lower content of lipid in the former than in the latter. These results help us understand the thermal stability of protein in milk powder. PMID- 27865490 TI - Effect of concentrate supplementation during the dry period on colostrum quality and effect of colostrum feeding regimen on passive transfer of immunity, calf health, and performance. AB - The objectives were to evaluate the effect of (1) supplementing concentrates to multiparous Holstein cows during the dry period on colostral and milk immunoglobulin G (IgG) concentration; and (2) feeding calves colostrum at either 5 or 10% of their body weight (BW) on passive transfer of immunity, health, and performance. Holstein multiparous cows (n=37) were assigned to 1 of 2 nutritional treatments during an 8-wk dry period: (1) offered ad libitum grass silage only (GS) or (2) offered ad libitum access to the same grass silage plus concentrate [total mixed ration in a 75:25 dry matter (DM) ratio], providing a mean concentrate DM intake of 3.0kg/cow per day (GSC). Both treatment groups were offered identical levels of mineral and vitamin supplementation. Calves from these cows were weighed immediately after birth and fed either 5% (5BW) or 10% (10BW) of their BW in colostrum from their own dams within 2.5h of birth. Calves in the 10BW group received their second feed of colostrum from first-milking colostrum. Concentrate supplementation during the dry period had no effect on colostral IgG concentration, first-milking IgG yield, or fat, protein, and lactose contents. However, cows in GSC produced a greater mean milk yield over the first 8 milkings compared with cows in the GS group. Concentrate supplementation had no effect on calf BW or BW gain, serum IgG, or apparent efficiency of absorption (AEA) at 24h after birth. However, offspring from the GSC group had fewer cases of enteritis during the first 56d of life compared with offspring from the GS group. Calves in the 10BW group had greater mean serum IgG concentration for the first 3d following birth; however, at 24h after birth, we observed no treatment effect on AEA. The rate of enteritis was greater for calves in the 5BW treatment compared with 10BW. The colostrum-feeding regimen had no effect on BW gain or on the incidence of pneumonia among calf treatment groups. In conclusion, concentrate supplementation regimens offered during the dry period had a positive effect on colostrum yield, and offspring from the GSC group had a reduced rate of enteritis. Feeding 10% of BW of colostrum versus 5% of BW resulted in a greater serum IgG concentration for the first 3d postpartum, and 10BW calves had a reduced rate of enteritis. Overall, to achieve successful passive transfer, decrease the rate of enteritis, and increase efficiency in the dairy calf, we recommend that dairy calves be fed 10% of their BW in colostrum as soon as possible after birth. PMID- 27865491 TI - Prevalence and risk factors for extended-spectrum beta-lactamase or AmpC producing Escherichia coli in organic dairy herds in the Netherlands. AB - Extended-spectrum beta-lactamase and AmpC-producing Escherichia coli (ESBL/AmpC) are an emerging problem and are hypothesized to be associated with antimicrobial use (AMU), and more specifically with the use of third- and fourth-generation cephalosporins. Whether ESBL/AmpC also occur in organic dairy herds, which have restricted AMU, is not known. Additionally, it is unknown whether, in addition to restricted AMU, other factors in organic herd management are associated with ESBL/AmpC herd status. The aim of this study was to estimate the prevalence of ESBL/AmpC in organic dairy herds in the Netherlands. Subsequently, the relationships between the ESBL/AmpC herd status and AMU and between ESBL/AmpC herd status and farmers' management were assessed in organic dairy herds. For this study, 90 randomly selected, officially registered organic dairy herds were included. The ESBL/AmpC herd status was determined based on the bacteriological culture result of a slurry sample. The sensitivity of testing slurry samples for ESBL/AmpC herd status is less than 100% for detecting herds with a low ESBL/AmpC prevalence. For that reason, herds that tested positive for ESBL/AmpC in slurry were defined as positive and herds with negative slurry samples were defined as unsuspected. A comprehensive questionnaire on management practices was conducted and records on specified antimicrobials that were provided to these herds by the veterinary service providers were obtained. From the data on antimicrobial supplies by the veterinarian, the animal daily defined dose of antimicrobials per farm per year (DDDAF) was calculated. Descriptive statistics were used to describe the relation between the ESBL/AmpC herd status and DDDAF. Multivariable logistic regression models were used to evaluate management factors associated with the ESBL/AmpC herd status. We found ESBL/AmpC in 12 of the 90 (13%; 95% confidence interval=7-22%) slurry samples from organic dairy herds. The median DDDAF in organic dairy herds was 0.5, which was not significantly different between ESBL/AmpC-positive and unsuspected dairy herds. No association could be found between the use of different types of antimicrobials, such as third- and fourth-generation cephalosporins, and ESBL/AmpC herd status. Factors that were associated with higher odds of being ESBL/AmpC-positive were pig farms located within a 2-km radius of the barn, applying parental treatment for clinical mastitis, and providing milk replacer to the female calves after colostrum intake. The prevalence of ESBL/AmpC in organic dairy herds appeared lower than the prevalence in previous studies conducted in conventional dairy herds. Apparently, ESBL/AmpC are also present in herds with low AMU; this indicates that other factors than AMU are also associated with ESBL/AmpC herd status. PMID- 27865492 TI - Peripheral blood mononuclear cell proliferation and cytokine production in sheep as affected by cortisol level and duration of stress. AB - A large number of studies recognize glucocorticoids (Gc) as suppressors of inflammation; Gc exert an important role in coordinating the magnitude and duration of host immune responses. In the present in vitro investigation, we tested incremental levels of cortisol to verify the immunosuppressive or immunopermissive role of cortisol in sheep peripheral blood mononuclear cells (PBMC) after acute and chronic stress. Phytohemagglutinin (PHA)-stimulated PBMC were cultured for 24h and 96h at 37 degrees C with 5% of CO2 and varying cortisol levels: 10 ng/mL (baseline), 100 ng/mL (physiological poststressor), and 1,000 ng/mL [hyperactivated hypothalamic-pituitary-adrenal (HPA) axis]. The cell-free supernatants were collected for determination of IL-6, IL-1beta, and IL-10 by ELISA, and the bromodeoxyuridine assay was performed on cells. Physiological cortisol concentration negatively affected the levels of IL-6 secreted by PBMC, resulting in increased cell proliferation after acute stress (24h of incubation). However, physiological cortisol concentration exhibited a reduction in cell proliferation induced by increased levels of IL-6 secreted by PBMC during chronic stress (96h of incubation). The cortisol concentration representing a hyperactivated HPA axis led to a reduction in cell proliferation after acute stress, which was probably induced by the elevated IL-10 production. Our results demonstrate that in sheep the effect of Gc on the immune system was related to the magnitude and the duration of stress. In particular, cortisol levels higher than physiological concentrations suppressed cell proliferation soon after acute stress. Instead, the physiological poststressor concentration of cortisol affected the immune responses in a bidirectional manner depending on the duration of the stressor. PMID- 27865493 TI - Genetic and genomic analysis of hyperthelia in Brown Swiss cattle. AB - Supernumerary teats (SNT) are any abnormal teats found on a calf in addition to the usual and functional 4 teats. The presence of SNT has also been termed "hyperthelia" since the end of the 19th century. Supernumerary teats can act as an incubator for bacteria, infecting the whole udder, and can interfere with the positioning of the milking machine, and consequently, have economic relevance. Different types of SNT are observed at different positions on the udder. Caudal teats are in the rear, ramal teats are attached to another teat, and intercalary teats are found between 2 regular teats. Not all teats are equally developed; some are completely functional but most are rudimentary and not attached to any mammary gland tissue. Recently, different studies showed the poly/oligogenic character of these malformations in cattle as well as in other mammalian species. The objective of this study was to analyze the genetic architecture and incidence of hyperthelia in Swiss Brown Swiss cattle using both traditional genetic evaluation as well as imputed whole genome sequence variant information. First, phenotypes collected over the last 20 yr were used together with pedigree information for estimation of genetic variance. Second, breeding values of Brown Swiss bulls were estimated applying the BLUP algorithm. The BLUP-EBV were deregressed and used as phenotypes in genome-wide association studies. The gene LGR5 on chromosome 5 was identified as a candidate for the presence of SNT. Using alternative trait coding, genomic regions on chromosome 17 and 20 were also identified as being involved in the development of SNT with their own supernumerary mammary gland tissue. Implementing knowledge gained in this study as a routine application allows a more accurate evaluation of the trait and reduction of SNT prevalence in the Swiss Brown Swiss cattle population. PMID- 27865494 TI - Changes in terpenoid composition of milk and cheese from commercial sheep flocks associated with seasonal feeding regimens throughout lactation. AB - Changes in the terpenoid content of milk and cheese from commercial sheep flocks monitored throughout lactation in the Cantabrian area of northern Spain were investigated. The flocks followed the same seasonal feeding strategy during lactation: indoor feeding in winter (early lactation) based on concentrate and forage; part-time grazing in the valley in early spring (mid lactation); and from mid spring on (late lactation), flocks were managed under extensive mountain grazing. In the present study design, seasonal feeding and lactation stage were intrinsically linked and could not be considered in isolation, and a holistic approach was necessary to consider the whole production management of the commercial flocks studied. Furthermore, the study focused on the identification of sesquiterpenoid ratios to differentiate milks and cheeses produced under extensive mountain grazing from those produced under other seasonal feeding regimens. Total abundance of mono- and sesquiterpenoids and that of individual compounds such as alpha-pinene, beta-caryophyllene, alpha-humulene, alpha amorphene, and gamma-cadinene significantly increased in milk and cheese from indoor feeding to mountain extensive grazing. Sesquiterpenoid ratios such as gamma-cadinene/alpha-muurolene, gamma-cadinene/delta-cadinene, beta caryophyllene/alpha-muurolene, and (beta-caryophyllene + gamma-cadinene)/alpha muurolene were used to differentiate mountain milks and cheeses from those from indoor feeding and part-time grazing in the valley. Multivariate discriminant analysis applied to individual terpenoids and sesquiterpenoid ratios showed milk and cheese samples classified into 2 groups: samples from indoor feeding and part time grazing in the valley were classified together, and clearly separated from mountain milks and cheeses. The results of the present study showed that the sesquiterpenoid ratios approach could help to differentiate mountain dairy products from others obtained under other specific feeding regimens in a local environment. PMID- 27865495 TI - Assessment of multifunctional activity of bioactive peptides derived from fermented milk by specific Lactobacillus plantarum strains. AB - Milk-derived bioactive peptides with a single activity (e.g., antioxidant, immunomodulatory, or antimicrobial) have been previously well documented; however, few studies describe multifunctional bioactive peptides, which may be preferred over single-activity peptides, as they can simultaneously trigger, modulate, or inhibit multiple physiological pathways. Hence, the aim of this study was to assess the anti-inflammatory, antihemolytic, antioxidant, antimutagenic, and antimicrobial activities of crude extracts (CE) and peptide fractions (<3 and 3-10 kDa) obtained from fermented milks with specific Lactobacillus plantarum strains. Overall, CE showed higher activity than both peptide fractions (<3 and 3-10 kDa) in most of the activities assessed. Furthermore, activity of <3 kDa was generally higher, or at least equal, to the 3 to 10 kDa peptide fractions. In particular, L. plantarum 55 crude extract or their fractions showed the higher anti-inflammatory (723.68-1,759.43MUg/mL of diclofenac sodium equivalents), antihemolytic (36.65-74.45% of inhibition), and antioxidant activity [282.8-362.3umol of Trolox (Sigma-Aldrich, St. Louis, MO) equivalents]. These results provide valuable evidence of multifunctional role of peptides derived of fermented milk by the action of specific L. plantarum strains. Thus, they may be considered for the development of biotechnological products to be used to reduce the risk of disease or to enhance a certain physiological function. PMID- 27865496 TI - Peroxisome proliferator-activated receptor delta facilitates lipid secretion and catabolism of fatty acids in dairy goat mammary epithelial cells. AB - In rodents, peroxisome proliferator-activated receptor delta (PPARD) is associated primarily with catabolism of fatty acids. However, the role of PPARD in regulating lipid metabolism in ruminant mammary gland remains unknown. In the present study, we assessed the mRNA abundance of PPARD at 3 stages of lactation in goat mammary tissue. Results revealed that PPARD had lower expression at peak lactation than in the nonlactating period. Luciferase assays revealed that GW0742 (GW), a specific PPARD ligand, enhanced the activity of the PPARD response element in goat mammary epithelial cells. Activation of PPARD by GW selectively upregulated the expression of genes related to fatty acid activation (ACSL1), lipid droplet formation (PLIN2), and transport (FABP4), and had no effect on genes involved in de novo fatty acid synthesis (ACACA and FASN), desaturation (SCD), hydrolysis and oxidation (PNPLA2 and CPT1A), transport and uptake (FABP3 and CD36), or triacylglycerol synthesis (DGAT1 and AGPAT6) in goat mammary epithelial cells. In contrast, knockdown of PPARD using small interfering RNA dramatically decreased the expression of genes related to fatty acid activation (ACSL1) and lipid formation (PLIN2) and increased the expression of genes related to fatty acid transport (FABP3) and triacylglycerol synthesis (AGPAT6 and DGAT1). The expression of genes related to fatty acid synthesis (FASN), hydrolysis (PNPLA2), and fatty acid oxidation (CPT1A) was downregulated significantly only after knockdown of PPARD in cells incubated with GW. We observed no significant change in fatty acid profiles. However, the total cellular triacylglycerol increased after knockdown of PPARD in goat mammary epithelial cells plus GW. Collectively, these results highlight an important role for PPARD in the homeostasis of ruminant mammary cells by facilitating fatty acid activation and lipid droplet formation and secretion. PMID- 27865497 TI - Invited review: Abomasal emptying in calves and its potential influence on gastrointestinal disease. AB - Creating the ideal nutrition program for calves is a demanding task that has undergone tremendous change in recent years. Products and technologies including novel milk replacers and automated calf feeding systems have been developed to facilitate the ability of dairy producers to feed for higher growth rates before weaning. The creation of new feeding programs and milk replacers has to be looked at carefully, not only from a nutrition point of view but also from the perspective of a potential effect on physiologic digestion and calf health. Abomasal emptying is a critical factor that may link nutrition and disease. The purpose of this article is to review both intrinsic and extrinsic factors that are responsible for abomasal emptying. Predominant extrinsic factors controlling abomasal emptying include meal volume, energy density, and osmolality along with the content and source of protein. This article also reviews experimental methods used to measure abomasal emptying in the calf including those that would be appropriate for use under field conditions. Among these methods, the use of ultrasonography and different absorption tests (d-xylose, acetaminophen) as tools to measure abomasal emptying are discussed. The relationship between abomasal emptying and disease is explored, particularly as it relates to abomasal bloat. Abomasal bloat is a complex syndrome that seems to be increasing in frequency and whose etiology likely at least partially involves slowing of abomasal emptying. Suggestions for minimizing the effect of feeding programs on abomasal emptying are explored as well as needs for future research. PMID- 27865499 TI - Optimally achieving milk bulk tank somatic cell count thresholds. AB - High somatic cell count in milk leads to reduced shelf life in fluid milk and lower processed yields in manufactured dairy products. As a result, farmers are often penalized for high bulk tank somatic cell count or paid a premium for low bulk tank somatic cell count. Many countries also require all milk from a farm to be lower than a specified regulated somatic cell count. Thus, farms often cull cows that have high somatic cell count to meet somatic cell count thresholds. Rather than naively cull the highest somatic cell count cows, a mathematical programming model was developed that determines the cows to be culled from the herd by maximizing the net present value of the herd, subject to meeting any specified bulk tank somatic cell count level. The model was applied to test-day cows on 2 New York State dairy farms. Results showed that the net present value of the herd was increased by using the model to meet the somatic cell count restriction compared with naively culling the highest somatic cell count cows. Implementation of the model would be straightforward in dairy management decision software. PMID- 27865498 TI - The effects of periparturient administration of flunixin meglumine on the health and production of dairy cattle. AB - Research on the assessment and management of pain in cows following difficult or assisted calving is still limited, especially on the effects of analgesics intended to mitigate this pain. The purpose of this study was to assess the effects of flunixin meglumine on the health and production of Holstein cows after calving. In total, 34 flunixin-treated and 38 placebo-treated animals were enrolled in a precalving treatment trial. A total of 633 animals given flunixin and 632 animals administered a placebo were enrolled in a postcalving treatment trial. In both cases, animals were randomly assigned to treatment, and researchers were blind to treatment condition until after analysis. A total of 1,265 animal records were analyzed for milk production for the first 14d in milk and health outcomes for the first 30d in milk. Animals treated with flunixin meglumine before calving had a significantly increased risk of stillbirth. Animals treated immediately after calving had increased odds of having a retained placenta and, in turn, increased risk of a high temperature, decreased milk production, and an increased risk of developing metritis. The administration of flunixin meglumine within 24h of parturition is not recommended in dairy cattle. PMID- 27865500 TI - Lipopolysaccharide derived from the digestive tract provokes oxidative stress in the liver of dairy cows fed a high-grain diet. AB - The aims of this study were to measure oxidative stress parameters and to investigate the molecular mechanism triggered by grain-induced subacute ruminal acidosis in mid-lactation cows. Twelve Holstein-Friesian cows with an average weight of 455+/-28kg were divided into 2 groups and subjected to 2 diets over 18wk: either a low-grain (forage-to-concentrate ratio=6:4) or a high-grain (forage-to-concentrate ratio=4:6) diet based on dry matter. Being fed a long-term high-grain diet resulted in a significant decrease in rumen pH and a significant increase in ruminal lipopolysaccharide (LPS) at 4 h postfeeding in the morning. The increase was also observed in LPS concentrations in the portal vein, hepatic vein, and jugular vein blood plasma as well as reduced milk yield in a high-grain diet. Cows fed a high-grain diet had lower levels of catalase and glutathione peroxidase (GPx) activity and total antioxidant capacity than cows fed a low grain diet; however, super oxide dismutase (SOD) activity and malondialdehyde (MDA) levels were higher in both the liver and the plasma of high-grain than in low-grain cows. Positive correlations were observed between plasma LPS versus hepatic MDA, plasma MDA, and hepatic SOD activity, whereas hepatic GPx and plasma GPx were negatively correlated with plasma LPS. The relative mRNA abundances of GPX1 and CAT were significantly lower in the liver of cows fed a high-grain diet than those fed a low-grain diet, whereas SOD1 was significantly higher in cows fed a high-grain diet than cows fed a low-grain diet. The expression levels of Nrf2, NQO1, MT1E, UGT1A1, MGST3, and MT1A were downregulated, whereas NF-kB was upregulated, in cows fed a high-grain diet. Furthermore, nuclear factor E2 related factor 2 (Nrf2) total protein and mRNA levels were significantly lower than in low-grains. Our results demonstrate the relationship between the translocated LPS and the suppression of cellular antioxidant defense capacity, which lead to increased oxidative stress and suggests that the Nrf2-dependent antioxidant response may be affected by higher levels of LPS translocated to the bloodstream. PMID- 27865501 TI - Cytological endometritis at artificial insemination in dairy cows: Prevalence and effect on pregnancy outcome. AB - The aims of our field study in dairy cows were (1) to consolidate cytotape (CT) as a valid technique to diagnose cytological endometritis (CYTO) during artificial insemination (AI); (2) to establish a cutoff point concerning the polymorphonuclear cells (PMN) proportion to diagnose CYTO at AI; (3) to assess the prevalence of CYTO at AI; and (4) to evaluate the effect of CYTO on the pregnancy outcome of that AI. The investigation was performed using 1,625 AI-CT samples harvested from 873 Holstein-Friesian cows from 18 dairy farms in the Flemish region of Belgium. The CT device consisted of adapting a 1.5-cm piece of paper tape on the top of a conventional AI catheter covered with a double guard sheet, allowing an endometrial cytology sample to be taken when performing an AI. A receiving operator characteristic curve was built to assess the threshold level above which the PMN proportion significantly affected the AI success. Multilevel generalized mixed-effect models were built to identify factors affecting the pregnancy outcome of the AI under investigation. Only 7 samples (0.4%) harvested in 5 cows were discarded because of low-quality parameters. The cutoff point for CYTO at AI was set at >=1% PMN (sensitivity=33.8%, specificity=88.6%). Prevalence of CYTO at AI was 27.8%. The conception rate for CYTO-positive samples was 32.7%, whereas it was 47% for CYTO-negative samples. A CYTO-negative AI had 1.8 [odds ratio (OR)] more chances to become pregnant than a CYTO-positive one. Other factors identified as detrimental for the pregnancy outcome were body condition score <=1.5 (OR=0.6), relative 305-d milk yield (OR=0.9), dystocia (OR=0.3), parity >=2 (OR=0.7), and warm months of the year. In conclusion, CT is a consolidated technique to diagnose CYTO at AI, PMN 1% is the threshold level to diagnose CYTO at AI, around one-quarter of inseminated uteri suffer from CYTO, and affected uteri having a significantly lower chance to become pregnant from that insemination. PMID- 27865503 TI - Effect of claw disorders on milk production, fertility, and longevity, and their economic impact in Spanish Holstein cows. AB - The aims of this study were (1) to estimate the phenotypic association between different degrees of severity of claw disorders and production, fertility performance, and longevity in Spanish dairy cattle, and (2) to quantify its economic impact at the animal and herd level. In this study, claw data comprised 108,468 trimmings collected between 2012 and 2014 by 25 trimmers from 804 Holstein dairy herds. The claw disorders considered were the 3 most frequent disorders in Spanish dairy herds: dermatitis (DE), sole ulcer (SU), and white line disease (WL). The presence of SU or WL was associated with a significant decrease in milk production and was more important in cows in second or later lactations. A severe lesion of SU or WL lead to twice the milk losses associated with a mild lesion, ranging from 1.47 to 2.66kg/d of energy-corrected milk. The presence of SU or WL during the early lactation period was associated with more days open, fewer inseminations to get pregnant, and longer calving to first service interval (4.83 and 8.0 d longer due to mild and severe lesions of SU, respectively, and 4.94 and 17.43 d longer due to mild and severe lesions of WL, respectively). The occurrence of a case of SU or WL in first lactation had a significant effect on longevity, with severe lesions reducing up to 71 d of productive life. The cost of a mild lesion ranged from $53 to $232 per affected cow and year, whereas the cost of a severe lesion ranged from $402 to $622 per affected cow and year. The annual costs per cow for DE, SU, and WL were $10.80, $50.9, and $43.2, respectively. An average herd with 64 cows had an extra expenditure of $691/yr due to DE, $3,256/yr due to SU, and $2,765/year due to WL. Milk losses, longer calving intervals, and premature culling contributed to more than half of the costs. Therefore, providing this information to farmers could help decide on strategies to reduce the incidence of claw disorders on the farm. PMID- 27865502 TI - Retail lighting and packaging influence consumer acceptance of fluid milk. AB - Little is known about the effect of retail light-emitting diode (LED) exposure on consumer acceptance of milk. The study objective was to determine effects of fluorescent and LED lighting under retail storage conditions on consumer acceptance of milk. Consumer acceptance of milk stored under retail conditions was determined through sensory evaluation (2 studies; n=150+ each) and analytical measures (dissolved oxygen, secondary oxidation products, riboflavin retention). Study 1 evaluated milk stored in high-density polyethylene (HDPE) packages for 4h under LED light (960 lx). Commercially available HDPE package treatments included translucent HDPE (most commonly used), white HDPE [low concentration (1.3%) TiO2], and yellow HDPE; in addition, HDPE with a higher TiO2 concentration (high white; 4.9% TiO2) and a foil-wrapped translucent HDPE (control) were tested. Translucent and control packages also were tested under fluorescent light. Study 2 evaluated polyethylene terephthalate (PET) packages for 4h under fluorescent and LED light (1,460 lx). The PET packaging included 2 treatments (medium, 4.0% TiO2; high, 6.6% TiO2) as well as translucent HDPE (exposed to fluorescent), clear PET (fluorescent and LED), and light-protected control. Overall mean acceptability of milk ranged from "like slightly" to "like moderately" with significantly lower acceptability for milk exposed to fluorescent light. Milk in HDPE and PET packages had comparable overall acceptability scores when exposed to LED light. Only the fluorescent light condition (both PET and HDPE) diminished overall acceptability. Fluorescent light exposure negatively influenced flavor with significant penalty (2.0-2.5 integers) to overall acceptability of milk in translucent HDPE and clear PET. The LED also diminished aftertaste of milk packaged in translucent HDPE. Changes in dissolved oxygen content, as an indication of oxidation, supported the observed differences in consumer acceptance of milk stored under fluorescent and LED light. Consumers like the flavor of fresh milk, which can be protected by selecting appropriate packaging that blocks detrimental light wavelengths. PMID- 27865504 TI - Validation of a fast real-time PCR method to detect fraud and mislabeling in milk and dairy products. AB - Fast real-time PCR TaqMan assays were developed and validated for species identification in dairy products. Based on the amplification of 12S rRNA and cytB partial genes of mitochondrial DNA, the methods were demonstrated to be sensitive, fast, and species-specific for Bos taurus, Ovis aries, Bubalus bubalis, and Capra hircus. The limit of detection calculated was lower than 1%, and the efficiency was reported to be higher than 96% in every assay. An internal amplification control was used to detect possible false negatives. The method was validated by means of laboratory-prepared samples mixing different species. Moreover, 18 commercial dairy samples were analyzed by both real-time PCR and isoelectric focusing, the official European Union reference method. The 4 TaqMan assays were confirmed to be a useful tool for milk and dairy product authentication. PMID- 27865505 TI - Nitrogen utilization, preweaning nutrient digestibility, and growth effects of Holstein dairy calves fed 2 amounts of a moderately high protein or conventional milk replacer. AB - Studies have shown that calves fed milk replacers (MR) with crude protein (CP) concentrations greater than 20%, as typically found in conventional MR, have higher dry matter intakes (DMI) and greater average daily gains (ADG) but consume less starter, which can lead to stress during weaning and reduced rumen development. The greater amount of CP being fed to preweaned calves may alter their nitrogen (N) balance, and excess N may be excreted in the urine. The objective of this study was to determine N utilization in preweaned calves fed diets varying in the amount of CP and MR fed. This study used 24 newborn dairy heifer calves blocked by birth and randomly assigned to 1 of 3 treatments: (1) 446g dry matter (DM) of a conventional MR (CON; 20% CP, 20% fat), (2) 669g DM of a moderately high protein MR (moderate; MOD; 26% CP, 18% fat), or (3) 892g DM of a moderately high protein MR (aggressive; AGG; 26% CP, 18% fat). All calves had ad libitum access to starter and water. Both MR and starter were medicated with decoquinate. During weaning (d 43-49), the morning MR feeding ceased. On d 50, all MR feedings ended; however, starter and water intakes were continuously recorded until d 56. At 5wk of age, urine was collected using urinary catheters for 3d and chromium oxide was administered by bolus at 2g/d for 7d to estimate N efficiency. Calves fed MOD and AGG had similar starter intakes, feed efficiencies, and ADG, with the combined treatments having reduced starter intakes (258 vs. 537g/d), greater ADG (674 vs. 422g/d), and improved feed efficiency (0.57 vs. 0.45 gain:feed) compared with CON calves preweaning. However, DMI and water intake were similar across all treatments. Results from the N utilization phase showed that MOD and AGG treatments had similar but lower N efficiency compared with CON calves (45.5 vs. 52.7%). This could be due to MOD- and AGG-fed calves having greater urine volume and thereby, greater combined urine N output compared with CON calves (17.6 vs. 12.1 g/d). In summary, feeding >0.66kg (DM) from a 26% CP MR increased ADG and improved feed efficiency during the preweaning period but reduced starter intake and lowered N efficiency. PMID- 27865506 TI - Synthesis of the suspected trans-11,cis-13 conjugated linoleic acid isomer in ruminant mammary tissue by FADS3-catalyzed Delta13-desaturation of vaccenic acid. AB - The octadecadienoic conjugated linoleic acid (CLA) isomer with trans-11 and cis 13 double bonds (trans-11,cis-13 CLA) has been described in ruminant milk. For now, this specific CLA is suspected to derive exclusively from ruminal biohydrogenation of dietary alpha-linolenic acid. However, in rodents, the fatty acid desaturase 3 (FADS3) gene was recently shown to code for an enzyme able to catalyze the unexpected Delta13-desaturation of vaccenic acid, producing a Delta11,13-CLA with all the structural characteristics of the trans-11,cis-13 isomer, although no commercial standard exists for complete conclusive identification. Because the FADS3 gene has already been reported in bovine animals, we hypothesized in the present study that an alternative direct FADS3 catalyzed Delta13-desaturation of vaccenic acid in mammary tissue may therefore co-exist with alpha-linolenic acid biohydrogenation to explain the final ruminant milk trans-11,cis-13 CLA presence. Here, we first confirm that the FADS3 gene is present in ruminant mammal genomic sequence databases. Second, we demonstrate that the Delta11,13-CLA found in milk fat and the highly probable trans-11,cis-13 CLA isomer produced by rodent FADS3 possess exactly the same structural characteristics. Then, we show that bovine mammary MAC-T and BME-UV epithelial cells express both FADS3 and stearoyl-CoA desaturase 1 (SCD1) mRNA and are able to synthesize both the suspected trans-11,cis-13 CLA and cis-9,trans-11CLA (rumenic acid) isomers when incubated with vaccenic acid. Finally, the concomitant presence of the suspected trans-11,cis-13 CLA isomer with FADS3 mRNA was shown in goat mammary tissue, whereas both were conversely very low or even absent in goat liver. Therefore, this study provides several lines of evidence that, by analogy with rumenic acid, trans-11,cis-13 CLA may originate both from ruminal biohydrogenation and from direct FADS3-catalyzed Delta13-desaturation of vaccenic acid in mammary tissue. PMID- 27865507 TI - Plasma protein and supplemental isoleucine in milk replacers for dairy calves. AB - We measured the effects of milk replacers containing 0, 33, 66, or 100% of the total replaceable whey protein as bovine plasma protein (PP), without or with Ile supplementation, on the intake, growth, and health of 124 male Holstein calves for 35d. Milk replacers were formulated to contain 18% crude protein and 20% fat, with contents of Lys and Met equalized. When fed to calves at 1.5% of body weight (dry matter basis) under thermoneutral conditions, diets were predicted to allow average daily gains of 0.55kg/d based on metabolizable energy or 0.40kg/d based on apparent digestible protein. Protein supply was more limiting than energy so that differences in protein use could be detected. Dry matter intakes decreased with increased PP, irrespective of Ile supplementation. Final body weights decreased linearly with increasing PP, regardless of Ile supplementation. Average daily gain tended to be affected in a quadratic manner as PP increased, either with or without Ile supplementation; average daily gain and gain-feed ratio were greatest for calves fed diets containing 33% PP and lowest for calves fed 100% PP. The analyzed Lys content in the milk replacers was variable compared with formulated values, and this may have affected growth results. However, the gain Lys ratio was affected by an interaction of the linear effect of increasing PP with Ile supplementation: it decreased with increasing PP but was improved by supplementation with Ile for calves fed 100% PP. Body measurements decreased with increasing PP inclusion; only decreased heart girth was reversed with Ile supplementation. The lowest and highest inclusion of PP, regardless of Ile supplementation, decreased the occurrence of scours compared with the control diet (all whey protein). Calves fed the lowest and highest PP without Ile supplementation also had fewer total days of scours in the first 21d. In addition, calves fed 100% PP without supplementation of Ile had fewer days of medication compared with the control diet. Even at the highest PP inclusion, average daily gain was minimally affected if Ile was supplemented. Growth rates, gain-feed ratio, and gain-Lys ratio were decreased at higher PP inclusion, but Ile overcame part of the reduction in gain-Lys ratio for 100% PP. Additional titration studies will have to be conducted to determine optimal PP inclusion rates, with a focus on supplementation of potentially limiting essential AA, as well as effects at higher growth rates. PMID- 27865508 TI - Occurrence of methicillin-resistant Staphylococcus aureus in dairy cattle herds, related swine farms, and humans in contact with herds. AB - In this study we investigated the circulation of methicillin-resistant Staphylococcus aureus (MRSA) in 2 dairy cattle farms (farm A and B), previously identified as MRSA-positive in bulk tank milk samples, and epidemiologically related to swine farms. Collected specimens included quarter milk samples and nasal swabs from dairy cows, pig nasal swabs collected at both the farm and slaughterhouse level, environmental dust samples, and human nasal swabs from the farms' owners and workers. The prevalence of MRSA was estimated at the herd level by testing quarter milk samples. The prevalence of MRSA was 4.8% (3/63; 95% confidence interval=0-10.2%) and 60% (33/55; 95% confidence interval=47.05-72.95) in farm A and B, respectively. In farm A, MRSA was also isolated from humans, pigs sampled at both farm and slaughterhouse level, and from environmental samples collected at the pig facilities. The dairy cattle facilities of farm A tested negative for MRSA. In farm B, MRSA was isolated from environmental dust samples in both the cattle and pig facilities, whereas nasal swabs collected from cows and from humans tested negative. Sixty-three selected MRSA isolates obtained from different sources in farm A and B were genetically characterized by multilocus sequence typing, spa-typing, ribosomal spacer-PCR, and also tested for the presence of specific virulence genes and for their phenotypical antimicrobial susceptibility by broth microdilution method. Different clonal complex (CC) and spa-types were identified, including CC398, CC97, and CC1, CC already reported in livestock animals in Italy. The MRSA isolates from quarter milk of farm A and B mostly belonged to CC97 and CC398, respectively. Both lineages were also identified in humans in farm A. The CC97 and CC398 quarter milk isolates were also identified as genotype GTBE and GTAF by ribosomal spacer-PCR respectively, belonging to distinct clusters with specific virulence and resistance patterns. The GTBE and GTAF clusters also included swine, environmental, and human isolates from both farms. A high heterogeneity in the genetic and phenotypic profiles was observed in environmental isolates, in particular from farm B. These results demonstrate the possibility of a dynamic sharing and exchange of MRSA lineages or genotypes between different species and farm compartments in mixed-species farms. The risk of transmission between swine and related dairy cattle herds should be considered. Our findings also confirm the zoonotic potential of livestock associated MRSA and underline the importance of applying biosecurity measures and good hygiene practices to prevent MRSA spread at the farm level and throughout the food production chain. PMID- 27865509 TI - Effect of incremental amounts of camelina oil on milk fatty acid composition in lactating cows fed diets based on a mixture of grass and red clover silage and concentrates containing camelina expeller. AB - Camelina is an ancient oilseed crop that produces an oil rich in cis-9,cis-12 18:2 (linoleic acid, LA) and cis-9,cis-12,cis-15 18:3 (alpha-linolenic acid, ALA); however, reports on the use of camelina oil (CO) for ruminants are limited. The present study investigated the effects of incremental CO supplementation on animal performance, milk fatty acid (FA) composition, and milk sensory quality. Eight Finnish Ayrshire cows (91d in milk) were used in replicated 4*4 Latin squares with 21-d periods. Treatments comprised 4 concentrates (12kg/d on an air dry basis) based on cereals and camelina expeller containing 0 (control), 2, 4, or 6% CO on an air-dry basis. Cows were offered a mixture of grass and red clover silage (RCS; 1:1 on a dry matter basis) ad libitum. Incremental CO supplementation linearly decreased silage and total dry matter intake, and linearly increased LA, ALA, and total FA intake. Treatments had no effect on whole-tract apparent organic matter or fiber digestibility and did not have a major influence on rumen fermentation. Supplements of CO quadratically decreased daily milk and lactose yields and linearly decreased milk protein yield and milk taste panel score from 4.2 to 3.6 [on a scale of 1 (poor) to 5 (excellent)], without altering milk fat yield. Inclusion of CO linearly decreased the proportions of saturated FA synthesized de novo (4:0 to 16:0), without altering milk fat 18:0, cis-9 18:1, LA, and ALA concentrations. Milk fat 18:0 was low (<5g/100g of FA) across all treatments. Increases in CO linearly decreased the proportions of total saturates from 58 to 45g/100g of FA and linearly enriched trans-11 18:1, cis-9,trans-11 18:2, and trans-11,cis-15 18:2 from 5.2, 2.6, and 1.7 to 11, 4.3, and 5.8g/100g of FA, respectively. Furthermore, CO quadratically decreased milk fat trans-10 18:1 and linearly decreased trans-10,cis-12 18:2 concentration. Overall, milk FA composition on all treatments suggested that one or more components in camelina seeds may inhibit the complete reduction of 18 carbon unsaturates in the rumen. In conclusion, CO decreased the secretion of saturated FA in milk and increased those of the trans-11 biohydrogenation pathway or their desaturation products. Despite increasing the intake of 18-carbon unsaturated FA, CO had no effect on the secretions of 18:0, cis-9 18:1, LA, or ALA in milk. Concentrates containing camelina expeller and 2% CO could be used for the commercial production of low-saturated milk from grass- and RCS-based diets without major adverse effects on animal performance. PMID- 27865510 TI - Electrophoretic characterization of protein interactions suggesting limited feasibility of accelerated shelf-life testing of ultra-high temperature milk. AB - Accelerated shelf-life testing is applied to a variety of products to estimate keeping quality over a short period of time. The industry has not been successful in applying this approach to ultra-high temperature (UHT) milk because of chemical and physical changes in the milk proteins that take place during processing and storage. We investigated these protein changes, applying accelerated shelf-life principles to UHT milk samples with different fat levels and using native- and sodium dodecyl sulfate-PAGE. Samples of UHT skim and whole milk were stored at 20, 30, 40, and 50 degrees C for 28d. Irrespective of fat content, UHT treatment had a similar effect on the electrophoretic patterns of milk proteins. At the start of testing, proteins were bonded mainly through disulfide and noncovalent interactions. However, storage at and above 30 degrees C enhanced protein aggregation via covalent interactions. The extent of aggregation appeared to be influenced by fat content; whole milk contained more fat than skim milk, implying aggregation via melted or oxidized fat, or both. Based on reduction in loss in absolute quantity of individual proteins, covalent crosslinking in whole milk was facilitated mainly by products of lipid oxidation and increased access to caseins for crosslinking reactions. Maillard and dehydroalanine products were the main contributors involved in protein changes in skim milk. Protein crosslinking appeared to follow a different pathway at higher temperatures (>=40 degrees C) than at lower temperatures, making it very difficult to extrapolate these changes to protein interactions at lower temperatures. PMID- 27865511 TI - Modeling genetic and nongenetic variation of feed efficiency and its partial relationships between component traits as a function of management and environmental factors. AB - Feed efficiency (FE), characterized as the fraction of feed nutrients converted into salable milk or meat, is of increasing economic importance in the dairy industry. We conjecture that FE is a complex trait whose variation and relationships or partial efficiencies (PE) involving the conversion of dry matter intake to milk energy and metabolic body weight may be highly heterogeneous across environments or management scenarios. In this study, a hierarchical Bayesian multivariate mixed model was proposed to jointly infer upon such heterogeneity at both genetic and nongenetic levels on PE and variance components (VC). The heterogeneity was modeled by embedding mixed effects specifications on PE and VC in addition to those directly specified on the component traits. We validated the model by simulation and applied it to a joint analysis of a dairy FE consortium data set with 5,088 Holstein cows from 13 research stations in Canada, the Netherlands, the United Kingdom, and the United States. Although no differences were detected among research stations for PE at the genetic level, some evidence was found of heterogeneity in residual PE. Furthermore, substantial heterogeneity in VC across stations, parities, and ration was observed with heritability estimates of FE ranging from 0.16 to 0.46 across stations. PMID- 27865512 TI - The effect of supplemental concentrate fed during the dry period on morphological and functional aspects of rumen adaptation in dairy cattle during the dry period and early lactation. AB - Ten rumen-cannulated Holstein-Friesian cows were used to examine the effect of feeding supplemental concentrate during the dry period on rumen papillae morphology and fractional absorption rate (ka) of volatile fatty acids (VFA) during the dry period and subsequent lactation. Treatment consisted of supplemental concentrate [3.0kg of dry matter (DM)/d] from 28d antepartum (ap) until the day of calving, whereas control did not receive supplemental concentrate. Cows were fed for ad libitum intake and had free access to the dry period ration (27% grass silage, 28% corn silage, 35% wheat straw, and 11% soybean meal on a DM basis) and, from calving onward, to a basal lactation ration (42% grass silage, 42% corn silage, and 16% soybean meal on a DM basis). From 1 to 3d postpartum (pp), all cows were fed 0.9kg DM/d of concentrate, which increased linearly thereafter to 8.9kg of DM/d on d 11 pp. At 28, 18, and 8d ap, and 3, 17, 31, and 45d pp, rumen papillae were collected and kaVFA was measured in all cows. On average, 13.8 (standard deviation: 3.8) papillae were collected each from the ventral, caudodorsal, and caudoventral rumen sacs per cow per day. The kaVFA was measured by incubating a standardized buffer fluid (45 L), containing 120mM VFA (60% acetic, 25% propionic, and 15% butyric acid) and Co EDTA as fluid passage marker, in the evacuated and washed rumen. Treatment did not affect ap or pp DM and energy intakes or milk yield and composition. Treatment increased papillae surface area, which was 19 and 29% larger at 18 and 8d ap compared with 28d ap, respectively. Surface area increased, mainly due to an increase in papillae width. However, treatment did not increase kaVFA at 18 and 8d ap compared with 28d ap. In the control group, no changes in papillae surface area or kaVFA were observed during the dry period. In the treatment group, papillae surface area decreased between 8d ap and 3d pp, whereas no decrease was observed for control. From 3 to 45d pp, papillae surface area and kaVFA increased for all cows by approximately 50%, but the ap concentrate treatment did not affect kaVFA pp. In conclusion, the efficacy of supplemental concentrate during the dry period to increase papillae surface area and kaVFA in preparation for subsequent lactation is not supported by the present study. Current observations underline the importance of functional measurements in lieu of morphological measurements to assess changes in the adapting rumen wall. PMID- 27865513 TI - The effect of milk allowance on behavior and weight gains in dairy calves. AB - The objective of this study was to investigate how milk allowance affects body weight gains and behavior before, during, and after weaning in dairy calves. Fifty-six Holstein calves were randomly assigned at 1wk of age to 1 of 4 feeding treatments of whole pasteurized milk: 6, 8, 10, or 12 L/d. Milk allowance was reduced by 50% at d 42, and then reduced by 20% per day starting at d 50, so that calves were completely weaned at d 55. Calves were provided ad libitum access to calf starter and hay. Body weight was measured weekly from 2 to 10wk of age. Milk intake increased with milk allowance as intended, although actual intakes were lower than the treatment allowance (e.g., averaging 5.66+/-0.19 L on the 6-L treatment and 9.41+/-0.21 L on the 12-L treatment before weaning). Intake of calf starter was higher for calves that were fed less milk before weaning (averaging 0.25+/-0.03kg/d and 0.05+/-0.03kg/d on the 6-L and 12-L treatments, respectively) and also during the weaning period (averaging 1.15+/-0.13kg/d and 0.54+/-0.14kg/d on these same treatments), but we observed no effect after weaning. Time spent at the hay feeder did not differ with treatment. Average daily gain was higher for calves that were fed more milk, increasing from 0.77+/-0.04kg/d with the 6-L treatment to 0.90+/-0.03kg/d with the 12-L treatment. Before weaning, calves fed less milk engaged in more unrewarded visits to the milk feeder, averaging 11.1+/ 0.73 visits/d with the 6-L treatment and 0.4+/-0.78 visits/d with the 12-L treatment. During weaning, calves fed less milk still had more unrewarded visits to the milk feeder than calves fed more milk (19.7+/-1.64 visits/d with the 6-L treatment versus 10.1+/-1.74 visits/d with the 12-L treatment), but treatments did not differ after weaning. We conclude that higher milk allowances result in weight gain advantages before weaning that can persist beyond weaning, and that the high number of unrewarded visits to the milk feeder by calves that were fed less milk are indicative of persistent hunger. PMID- 27865514 TI - Coagulase-negative Staphylococcus species in bulk milk: Prevalence, distribution, and associated subgroup- and species-specific risk factors. AB - Coagulase-negative staphylococci (CNS) have become the main pathogens causing bovine mastitis in recent years. A huge variation in species distribution among herds has been observed in several studies, emphasizing the need to identify subgroup- and species-specific herd-level factors to improve our understanding of the differences in ecological and epidemiological nature between species. The use of bulk milk samples enables the inclusion of a large(r) number of herds needed to identify herd-level risk factors and increases the likelihood of recovering enough isolates per species needed for conducting subgroup- and, eventually, species-specific analyses at the same time. This study aimed to describe the prevalence and distribution of CNS species in bulk milk samples and to identify associated subgroup- and species-specific herd-level factors. Ninety percent of all bulk milk samples yielded CNS. Staphylococcus equorum was the predominant species, followed by Staphylococcus haemolyticus and Staphylococcus epidermidis. A seasonal effect was observed for several CNS species. Bulk milk samples from herds with a loose-pack or a tiestall housing system were more likely to yield CNS species compared with herds with a freestall barn, except for S. epidermidis, Staphylococcus simulans, and Staphylococcus cohnii. In September, herds in which udders were clipped had lower odds of yielding Staphylococcus chromogenes, S. simulans, and Staphylococcus xylosus, the CNS species assumed to be most relevant for udder health, in their bulk milk than herds in which udder clipping was not practiced. Bulk milk of herds participating in a monthly veterinary udder health monitoring program was more likely to yield these 3 CNS species. Herds always receiving their milk quality premium or predisinfecting teats before attachment of the milking cluster had lower odds of having S. equorum in their bulk milk. Herds not using a single dry cotton or paper towel for each cow during premilking udder preparation were more likely to have S. cohnii-positive bulk milk. Herds in which flushing with hot water or steam of the milking cluster after having milked a cow with a (sub)clinical mastitis was applied, were less likely to yield S. simulans, S. haemolyticus, and S. cohnii in their bulk milk. Always wearing gloves during milking decreased the odds of having Staphylococcus devriesei positive bulk milk. Tap water from the public drinking system used as drinking water increased the odds of yielding S. simulans in the bulk milk. In conclusion, CNS are highly prevalent in bulk milk and might originate from the environment for some species (we hypothesize this is true for S. equorum or S. cohnii), or from within the udder (e.g., for S. simulans). Studies collecting bulk milk and quarter milk samples at the same time along with environmental samples are needed to determine the exact origin of the different (subgroups of) CNS species present in bulk milk using strain-typing techniques. PMID- 27865515 TI - [Bladder tumor histoseminar - Case 7: Primary urothelial adenocarcinoma]. PMID- 27865516 TI - Headholders' - complications in neurosurgery: A review of the literature and recommendations for its use. AB - Several types of headholders are routinely used in neurosurgical practice to secure the head in a precise position, providing better security during surgical dissection as well as an absence of eye compression during prone positions. Nevertheless, potentially lethal complications might occur. We performed a review of the literature via PubMed and Google Scholar using the terms "Mayfield skull clamp", "Sugita headholders", "headholder complications" and "skull clamp complications". Twenty-six complications directly related to the use of headholders were identified through 19 papers published from 1981 to 2014: mainly skull fractures with or without a dural laceration (50%), epidural hematomas (23.8%), skull fractures with or without a dural laceration (50%), and air embolism (9.5%). The authors propose recommendations for the safe use of headholders. PMID- 27865517 TI - Effects of melatonin in the treatment of asthenia in aneurysmal subarachnoid hemorrhage. AB - BACKGROUND AND OBJECTIVES: Survivors of aneurysmal subarachnoid hemorrhage (aSAH) commonly experience sleep disorders resulting in asthenia. The objective of this prospective study was to determine, in a cohort of patients with treated ruptured intracranial aneurysm (IA), the proportion of asthenia at 2months, in a cohort of patients treated with melatonin and in a control cohort. PATIENTS AND METHODS: Twenty consecutive patients admitted for the treatment of ruptured IA and able to answer a standardized questionnaire were included in the study. After evaluation for fatigue at discharge, we divided our population into 2 cohorts of 10 patients: the first cohort was treated with melatonin for a period of 2months; the second cohort had no specific treatment for fatigue. The primary endpoint was the proportion of asthenia at 2months in both groups. Confounding factors, such as depression, autonomy and apathy were evaluated at the same time. RESULTS: At discharge, there was no significant difference observed between both groups in terms of mean age and initial clinical status (WFNS, Rankin Scale and Fatigue Severity Scale). At 2months, the mean FSS score in the control group was of 4.7+/ 1.0 versus 3.8+/-0.9 in the melatonin group (P=0.03). The mean MADRS score in the control group was of 1.1+/-1.45 versus 2.7+/-2.5 in the melatonin group (P=0.10). The mean LARS score in the control group was of -32.5+/-1.7 versus -31.7+/-1.9 in the melatonin group (P=0.24). DISCUSSION: In a prospective evaluation of post aSAH fatigue, we suggest that melatonin could decrease fatigue. There is no significant impact on depression and apathy. Further studies would be necessary to improve our comprehension of fatigue physiopathology in a context of aSAH. PMID- 27865518 TI - Impact of surgical correction of a U-shaped sacral fracture on sagittal spino pelvic alignment: Regarding one case. AB - U-shaped sacral fractures are uncommon and are mostly the consequence of a high energy kinetic trauma. The sacrum is a crucial element for sagittal alignment in a standing position as it determines the value of the pelvic incidence, which is a fixed and unchanging parameter for a given individual. We report the case of a 21-year-old man who underwent corrective surgery for a type II U-shaped fracture of the sacrum (according to the Roy-Camille classification), associated with a S1 S2 dislocation and sacral kyphosis that modified the patient's pelvic incidence. At one-year follow-up, radiographic examinations revealed solid bony fusion and stable results after removal of the implants. The surgery was managed for neurological decompression, stabilization of the fracture and correction of sacral kyphosis. The restoration of the theoretical pelvic incidence depended on the estimated lumbar lordosis. The aim of this study was to highlight the particularities in the management of a sacral U-shaped fracture and their relationship with the sagittal alignment. PMID- 27865519 TI - Fine sediments suppress detritivory on coral reefs. AB - Increasing sediment inputs are recognised as an important factor leading to coral reef degradation. However, the role of sediments in ecological processes is poorly understood. This study used paired-choice trials to quantify the effects of sediment grain size and chemical composition on feeding by the abundant detritivorous reef fish, Ctenochaetus striatus. The size of sediments from algal turfs were also compared to those ingested by reef-dwelling C. striatus. Algal turfs containing coarser sediments were preferred by C. striatus, while sediment composition (reefal carbonates vs. riverine silicates) had little effect. On the reef, C. striatus ingested finer sediments than those present in algal turfs. C. striatus appears to prefer algal turfs with coarser sediments as this facilitates ingestion of fine detrital particles, while finer sediments prevent selective feeding on detritus. These findings suggest that fine sediments from terrestrial runoff or dredging may be detrimental to feeding by detritivorous species. PMID- 27865520 TI - Are environmental risk estimations linked to the actual environmental impact? Application to an oil handling facility (NE Spain). AB - The environmental risk analysis of aquatic systems includes the evaluation of the likelihood that adverse ecological effects may occur as a result of exposure to one or more stressors. In harbor areas, pollution is provided by a complex mixture of substances with different levels of toxicity, persistence and bioaccumulation, which complicates the hazards characterization and their multiple effects. A study of the relationship between the environmental impact and the environmental risk assessment at a specific isolated oil handling facility was undertaken. The environmental risk of the oil handling facility, considering the consequences of specific pollutants, was estimated and the associated environmental impact was quantified based on a 'weights of evidence' approach. The contamination quantified at the potentially affected area around the monobuoy of Tarragona has proved to be related with environmental risk estimations but the lines of evidence obtained do not allow us to assert that the activity developed at this facility has an associated environmental impact. PMID- 27865521 TI - Degradation pathways of 1-methylphenanthrene in bacterial Sphingobium sp. MP9-4 isolated from petroleum-contaminated soil. AB - Alkylated polycyclic aromatic hydrocarbons (PAHs) are abundant in petroleum, and alkylated phenanthrenes are considered as the primary PAHs during some oil spill events. Bacterial strain of Sphingobium sp. MP9-4, isolated from petroleum contaminated soil, was efficient to degrade 1-methylphenanthrene (1-MP). A detailed metabolism map of 1-MP in this strain was delineated based on analysis of metabolites with gas chromatograph-mass spectrometer (GC-MS). 1-MP was initially oxidized via two different biochemical strategies, including benzene ring and methyl-group attacks. Benzene ring attack was initiated with dioxygenation of the non-methylated aromatic ring via similar degradation pathways of phenanthrene (PHE) by bacteria. For methyl-group attack, mono oxygenase system was involved and more diverse enzymes were needed than that of PHE degradation. This study enhances the understanding of the metabolic pathways of alkylated PAHs and shows the significant potential of Sphingobium sp. MP9-4 for the bioremediation of alkylated PAHs contaminated environments. PMID- 27865522 TI - Pollution levels and risks of polycyclic aromatic hydrocarbons in surface sediments from two typical estuaries in China. AB - To assess the environmental risks of polycyclic aromatic hydrocarbons (PAHs), 48 and 45 sediments were collected from the Yangtze River Estuary (YRE) and Pearl River Estuary (PRE), respectively. The toxicity equivalency concentration (TEQ) in the YRE and PRE were ranged from 1.68 to 76.13 and 9.28 to 129.24ngTEQg-1, respectively. Results of risk quotient suggest that ecological risks of two estuaries are at a moderate level, but are higher in the PRE than YRE. The increment lifetime cancer risks (ILCR) from the YRE via ingestion and dermal contact were 1*10-6 to 5.6*10-5 and 4*10-6 to 1.6*10-4, and ranged from 7*10-6 to 9.4*10-5 and 2*10-5 to 2.8*10-4 in the PRE. ILCR results suggest that some low and moderate cancer risk exists in the YRE and PRE. Therefore, monitoring and control measures should be carried out immediately to reduce or eliminate the risks to human health from environmental exposure. PMID- 27865524 TI - Exposure to UV filters during summer and winter in Danish kindergarten children. AB - BACKGROUND: Ultra violet (UV) filters with known or suspected endocrine disrupting properties are widely used in sunscreens and other personal care products, clothing, food packaging and many other consumer products. Danish kindergarten children have sunscreens applied daily during summer to prevent skin burns. OBJECTIVES: To estimate the assumed contribution of sunscreens to the total exposure to UV filters, we measured the urinary excretion of UV filters during summer and winter in kindergarten children. METHODS: Spot- and first morning urines were collected during a summer and a winter day in 2013. A total of 266 urine samples were collected from 55 children and were analysed for content of benzophenone (BP), benzophenone-1 (BP-1), benzophenone-2 (BP-2), benzophenone-3 (BP-3), 5-chloro-2-hydroxybenzophenone (BP-7), 4-methyl benzophenone (4-MBP), 4-hydroxybenzophenone (4-HBP), 3-(4-methylbenzylidene) camphor (4-MBC), and 3-benzylidene camphor (3-BC) by LC-MS/MS. RESULTS: Of the analysed UV filters, the children excreted predominantly BP-1, BP-3 and 4-HBP. The urine levels were significantly higher in summer samples compared to winter samples, however exposure during winter was still evident. Furthermore, children with the highest concentrations of UV filters in summer urines also tended to be among those with the highest winter levels. CONCLUSION: Exposures to UV filters during summertime can partly be explained by the intended use of UV filters in sunscreens, which is considered to be beneficial for children during outdoor activities. However, exposure to UV filters all year round together with large inter-individual variation indicate that children's exposure to UV filters also comes from other consumer items, presumably highly influenced by the general lifestyle of an individual child: this is completely unintended, without benefit, and potentially harmful. PMID- 27865523 TI - Alterations in high-density lipoprotein proteome and function associated with persistent organic pollutants. AB - There is a growing body of evidence that persistent organic pollutants (POPs) may increase the risk for cardiovascular disease (CVD), but the mechanisms remain unclear. High-density lipoprotein (HDL) acts protective against CVD by different processes, and we have earlier found that HDL from subjects with CVD contains higher levels of POPs than healthy controls. In the present study, we have expanded analyses on the same individuals living in a contaminated community and investigated the relationship between the HDL POP levels and protein composition/function. HDL from 17 subjects was isolated by ultracentrifugation. HDL protein composition, using nanoliquid chromatography tandem mass spectrometry, and antioxidant activity were analyzed. The associations of 16 POPs, including polychlorinated biphenyls (PCBs) and organochlorine pesticides, with HDL proteins/functions were investigated by partial least square and multiple linear regression analysis. Proteomic analyses identified 118 HDL proteins, of which ten were significantly (p<0.05) and positively associated with the combined level of POPs or with highly chlorinated PCB congeners. Among these, cholesteryl ester transfer protein and phospholipid transfer protein, as well as the inflammatory marker serum amyloid A, were found. The serum paraoxonase/arylesterase 1 activity was inversely associated with POPs. Pathway analysis demonstrated that up-regulated proteins were associated with biological processes involving lipoprotein metabolism, while down-regulated proteins were associated with processes such as negative regulation of proteinases, acute phase response, platelet degranulation, and complement activation. These results indicate an association between POP levels, especially highly chlorinated PCBs, and HDL protein alterations that may result in a less functional particle. Further studies are needed to determine causality and the importance of other environmental factors. Nevertheless, this study provides a first insight into a possible link between exposure to POPs and risk of CVD. PMID- 27865526 TI - Emerging usage of electrocoagulation technology for oil removal from wastewater: A review. AB - Electrocoagulation is a simple and efficient treatment method involving the electrodissolution of sacrificial anodes and formation of hydroxo-metal products as coagulants, while the simultaneous production of hydrogen at the cathode facilitates the pollutant removal by flotation. Oil is one of the most important hydrocarbon products in the modern world. It can cause environmental pollution during various stages of production, transportation, refining and use. Electrocoagulation treatment is particularly effective for destabilization of oil in-water emulsions by neutralizing charges and bonding oil pollutants to generated flocs and hydrogen bubbles. The development of electrocoagulation technologies provided a promising alternative for oil removal from wastewater. This paper presents a review of emerging electrochemical technologies used for treating oil-containing wastewater. It includes a brief description of the oily wastewater origin and characteristics. The treatment processes developed so far for oily wastewater and the electrocoagulation mechanisms are also introduced. This paper summarizes the current applications of electrocoagulation for oil removal from wastewater. The factors that influence the electrocoagulation treatment efficiencies as well as the process optimization and modeling studies are discussed. The state-of-the-art and development trends of electrocoagulation process for oil removal are further introduced. PMID- 27865525 TI - Maternal stress modifies the effect of exposure to lead during pregnancy and 24 month old children's neurodevelopment. AB - BACKGROUND: Lead and psychosocial stress disrupt similar but not completely overlapping mechanisms. Exposure during the prenatal period to each of these insults singularly has been found to alter normal neurodevelopment; however, longitudinal associations with stress modifying the effect of lead have not been sufficiently analyzed in epidemiologic studies. OBJECTIVE: To evaluate prenatal stress as an effect modifier of gestational lead neurotoxicity. METHODS: We used a structural equations modeling approach with a trivariate response to evaluate cognitive, language and motor scores of the Bayley Scales of Infant Development III in 24month-old children (n=360). Maternal blood lead levels were measured at the 2nd and 3rd trimester and psychosocial stress during pregnancy was assessed using a negative life events (NLE) scale derived from the CRYSIS questionnaire. RESULTS: 3rd trimester lead (mean 3.9+/-3.0 SDMUg/dL) and stress (median=3 NLE) were negatively associated with Bayley III scores. Using the model's results we generated profiles for 0, 2, 4 and 6 NLE across lead levels (up to 10MUg/dL) and observed a dose-response for the developmental scores when lead levels were below 2MUg/dL. Each NLE curve had a different shape across increasing lead levels. Higher stress (NLE=6) resulted in lower cognitive scores for both sexes, in lower language scores in girls but not boys. In the absence of stress we saw a negative association with lead for all scores, however for language and motor scores, higher stress seemed to mask this association. CONCLUSIONS: Our work examined and confirmed prenatal stress exposure as a modifier of the well-known neurotoxic effects of prenatal lead. It adds to the existing evidence pointing at the importance of studying the co-exposure of chemical and non-chemical exposures, specifically of considering the emotional environment of children at early developmental stages of life. PMID- 27865527 TI - Pathways of inhalation exposure to manganese in children living near a ferromanganese refinery: A structural equation modeling approach. AB - Manganese (Mn) is both essential element and neurotoxicant. Exposure to Mn can occur from various sources and routes. Structural equation modeling was used to examine routes of exposure to Mn among children residing near a ferromanganese refinery in Marietta, Ohio. An inhalation pathway model to ambient air Mn was hypothesized. Data for model evaluation were obtained from participants in the Communities Actively Researching Exposure Study (CARES). These data were collected in 2009 and included levels of Mn in residential soil and dust, levels of Mn in children's hair, information on the amount of time the child spent outside, heat and air conditioning in the home and level of parent education. Hair Mn concentration was the primary endogenous variable used to assess the theoretical inhalation exposure pathways. The model indicated that household dust Mn was a significant contributor to child hair Mn (0.37). Annual ambient air Mn concentration (0.26), time children spent outside (0.24) and soil Mn (0.24) significantly contributed to the amount of Mn in household dust. These results provide a potential framework for understanding the inhalation exposure pathway for children exposed to ambient air Mn who live in proximity to an industrial emission source. PMID- 27865528 TI - Integrating new indicators of predictors that shape the public's perception of local extreme temperature in China. AB - The public's risk perception of local extreme heat or cold plays a critical role in community health and prevention under climate change. However, there is limited evidence on such issues in China where extreme weather is occurring more frequently due to climate change. Here, a total of 2500 residents were selected using a three-step sampling method and investigated by a questionnaire in two representative cities. We investigated risk perception of extreme heat in Beijing and extreme cold in Harbin in 2013, aiming to examine their possible correlations with multiple epidemiological factors. We found that exposure, vulnerability, and adaptive ability were significant predictors in shaping public risk perceptions of local extreme temperature. In particular, a 1 degrees C increase in daily temperature resulted in an increased odds of perceiving serious extreme heat in Beijing (OR=1.091; 95% CI: 1.032, 1.153), while a 1 degrees C increase in daily temperature resulted in a decreased odds of perceiving serious extreme cold in Harbin (OR=0.965; 95% CI: 0.939, 0.992). Therefore for both extreme heat and cold, frequent local extreme temperature exposure may amplify a stronger communication. Health interventions for extreme temperature should consider exposure, vulnerability, and adaptive ability factors. This will help improve the public's perception of climatic changes and their willingness to balance adaption and mitigation appropriately. PMID- 27865530 TI - Cardiac function and survival are affected by crude oil in larval red drum, Sciaenops ocellatus. AB - Following exposure to weathered and non-weathered oil, lethal and sub-lethal impacts on red drum larvae were assessed using survival, morphological, and cardiotoxicity assays. The LC50 for red drum ranged from 14.6 (10.3-20.9) to 21.3 (19.1-23.8) MUgl-1 SigmaPAH with no effect of exposure timing during the pre hatch window or oil weathering. Similarly, morphological deformities showed dose responses in the low ppb range. Cardiac output showed similar sensitivity resulting in a major 70% reduction after exposure to 2.6MUgl-1 SigmaPAH. This cardiac failure was driven by reduced stroke volume rather than bradycardia, meaning that in some species, cardiac function is more sensitive than previously thought. After the Deepwater Horizon oil spill, much of this type of work has primarily focused on pelagic species with little known about fast developing estuarine species. These results demonstrate similarity sensitivity of the red drum as their pelagic counter parts, and more importantly, that cardiac function is dramatically reduced in concert with pericardial edema. PMID- 27865529 TI - Application of acclimated sewage sludge as a bio-augmentation/bio-stimulation strategy for remediating chlorpyrifos contamination in soil with/without cadmium. AB - This experiment was performed to investigate the effects of acclimated sewage sludge (ASS) and sterilized ASS on the fates of chlorpyrifos (CP) in soil with or without cadmium (Cd), as well as the improvement of soil biochemical properties. Results showed that both ASS and sterilized ASS could significantly promote CP dissipation, and the groups with ASS had the highest efficiency on CP removal, whose degradation rates reached 71.3%-85.9% at the 30th day (40.4%-50.2% higher than non-sludge groups). Besides, the degradation rate of CP was not severely influenced by the existence of Cd, and the population of soil microorganism dramatically increased after adding sludge. The soil enzyme activities (dehydrogenase, acid phosphatase and FDA hydrolase activities) ranked from high to low were as follows: groups with sterilized ASS>groups with ASS>groups without sludge. Simultaneously, 16S rRNA gene sequencing revealed that ASS changed bacterial community structure and diversity in soil. In addition, alkali hydrolyzable nitrogen and Olsen- phosphorus increased after application of sludge, indicating that the addition of ASS (or sterilized ASS) could effectively improve soil fertility. PMID- 27865531 TI - Meeting Our Patients Where They Are. PMID- 27865533 TI - Prince Mahidol Awards for 2016 announced. PMID- 27865532 TI - Tarp-Assisted Cooling as a Method of Whole-Body Cooling in Hyperthermic Individuals. AB - STUDY OBJECTIVE: We investigated the efficacy of tarp-assisted cooling as a body cooling modality. METHODS: Participants exercised on a motorized treadmill in hot conditions (ambient temperature 39.5 degrees C [103.1 degrees F], SD 3.1 degrees C [5.58 degrees F]; relative humidity 38.1% [SD 6.7%]) until they reached exercise-induced hyperthermia. After exercise, participants were cooled with either partial immersion using a tarp-assisted cooling method (water temperature 9.20 degrees C [48.56 degrees F], SD 2.81 degrees C [5.06 degrees F]) or passive cooling in a climatic chamber. RESULTS: There were no differences in exercise duration (mean difference=0.10 minutes; 95% CI -5.98 to 6.17 minutes or end exercise rectal temperature (mean difference=0.10 degrees C [0.18 degrees F]; 95% CI -0.05 degrees C to 0.25 degrees C [-0.09 degrees F to 0.45 degrees F] between tarp-assisted cooling (48.47 minutes [SD 8.27 minutes]; rectal temperature 39.73 degrees C [103.51 degrees F], SD 0.27 degrees C [0.49 degrees F]) and passive cooling (48.37 minutes [SD 7.10 minutes]; 39.63 degrees C [103.33 degrees F], SD 0.40 degrees C [0.72 degrees F]). Cooling time to rectal temperature 38.25 degrees C (100.85 degrees F) was significantly faster in tarp-assisted cooling (10.30 minutes [SD 1.33 minutes]) than passive cooling (42.78 [SD 5.87 minutes]). Cooling rates for tarp-assisted cooling and passive cooling were 0.17 degrees C/min (0.31 degrees F/min), SD 0.07 degrees C/min (0.13 degrees F/min) and 0.04 degrees C/min (0.07 degrees F/min), SD 0.01 degrees C/min (0.02 degrees F/min), respectively (mean difference=0.13 degrees C [0.23 degrees F]; 95% CI 0.09 degrees C to 0.17 degrees C [0.16 degrees F to 0.31 degrees F]. No sex differences were observed in tarp-assisted cooling rates (men 0.17 degrees C/min [0.31 degrees F/min], SD 0.07 degrees C/min [0.13 degrees F/min]; women 0.16 degrees C/min [0.29 degrees F/min], SD 0.07 degrees C/min [0.13 degrees F/min]; mean difference=0.02 degrees C/min [0.04 degrees F/min]; 95% CI -0.06 degrees C/min to 0.10 degrees C/min [-0.11 degrees F/min to 0.18 degrees F/min]). Women (0.04 degrees C/min [0.07 degrees F/min], SD 0.01 degrees C/min [0.02 degrees F/min]) had greater cooling rates than men (0.03 degrees C/min [0.05 degrees F/min], SD 0.01 degrees C/min [0.02 degrees F/min]) in passive cooling, with negligible clinical effect (mean difference=0.01 degrees C/min [0.02 degrees F/min]; 95% CI 0.001 degrees C/min to 0.024 degrees C/min [0.002 degrees F/min to 0.04 degrees F/min]). Body mass was moderately negatively correlated with the cooling rate in passive cooling (r=-0.580) but not in tarp-assisted cooling (r= 0.206). CONCLUSION: In the absence of a stationary cooling method such as cold water immersion, tarp-assisted cooling can serve as an alternative, field expedient method to provide on-site cooling with a satisfactory cooling rate. PMID- 27865534 TI - Meniere's disease: damaged hearing but reduced vertigo. PMID- 27865535 TI - Intratympanic methylprednisolone versus gentamicin in patients with unilateral Meniere's disease: a randomised, double-blind, comparative effectiveness trial. AB - BACKGROUND: Meniere's disease is characterised by severe vertigo attacks and hearing loss. Intratympanic gentamicin, the standard treatment for refractory Meniere's disease, reduces vertigo, but damages vestibular function and can worsen hearing. We aimed to assess whether intratympanic administration of the corticosteroid methylprednisolone reduces vertigo compared with gentamicin. METHODS: In this double-blind comparative effectiveness trial, patients aged 18 70 years with refractory unilateral Meniere's disease were enrolled at Charing Cross Hospital (London, UK) and Leicester Royal Infirmary (Leicester, UK). Patients were randomly assigned (1:1) by a block design to two intratympanic methylprednisolone (62.5 mg/mL) or gentamicin (40 mg/mL) injections given 2 weeks apart, and were followed up for 2 years. All investigators and patients were masked to treatment allocation. The primary outcome was vertigo frequency over the final 6 months (18-24 months after injection) compared with the 6 months before the first injection. Analyses were done in the intention-to-treat population, and then per protocol. This trial is registered with ClinicalTrials.gov, number NCT00802529. FINDINGS: Between June 19, 2009, and April 15, 2013, 256 patients with Meniere's disease were screened, 60 of whom were enrolled and randomly assigned: 30 to gentamicin and 30 to methylprednisolone. In the intention-to-treat analysis (ie, all 60 patients), the mean number of vertigo attacks in the final 6 months compared with the 6 months before the first injection (primary outcome) decreased from 19.9 (SD 16.7) to 2.5 (5.8) in the gentamicin group (87% reduction) and from 16.4 (12.5) to 1.6 (3.4) in the methylprednisolone group (90% reduction; mean difference -0.9, 95% CI -3.4 to 1.6). Patients whose vertigo did not improve after injection (ie, non responders) after being assessed by an unmasked clinician were eligible for additional injections given by a masked clinician (eight patients in the gentamicin group vs 15 in the methylprednisolone group). Two non-responders switched from methylprednisolone to gentamicin. Both drugs were well tolerated with no safety concerns. Six patients reported one adverse event each: three in the gentamicin group and three in the methylprednisolone group. The most common adverse event was minor ear infections, which was experienced by one patient in the gentamicin group and two in the methylprednisolone group. INTERPRETATION: Methylprednisolone injections are a non-ablative, effective treatment for refractory Meniere's disease. The choice between methylprednisolone and gentamicin should be made based on clinical knowledge and patient circumstances. FUNDING: Meniere's Society and National Institute for Health Research Imperial Biomedical Research Centre. PMID- 27865536 TI - Breast cancer. AB - Breast cancer is one of the three most common cancers worldwide. Early breast cancer is considered potentially curable. Therapy has progressed substantially over the past years with a reduction in therapy intensity, both for locoregional and systemic therapy; avoiding overtreatment but also undertreatment has become a major focus. Therapy concepts follow a curative intent and need to be decided in a multidisciplinary setting, taking molecular subtype and locoregional tumour load into account. Primary conventional surgery is not the optimal choice for all patients any more. In triple-negative and HER2-positive early breast cancer, neoadjuvant therapy has become a commonly used option. Depending on clinical tumour subtype, therapeutic backbones include endocrine therapy, anti-HER2 targeting, and chemotherapy. In metastatic breast cancer, therapy goals are prolongation of survival and maintaining quality of life. Advances in endocrine therapies and combinations, as well as targeting of HER2, and the promise of newer targeted therapies make the prospect of long-term disease control in metastatic breast cancer an increasing reality. PMID- 27865537 TI - Metastases in the cervical spine from primary head and neck cancers: current concepts of diagnosis and management. AB - Vertebral metastases from primary head and neck cancers are uncommon, and so there are no clear guidelines about management. The spinal cord can be compressed by a vertebral fracture or invasion of a tumour, and may present as an oncological and spinal emergency. The goals of treatment are to relieve pain and maintain neurological function. However, surgical treatments in this group of patients have not been defined, and primary operative treatment of spinal metastases remains controversial. Here we discuss their contemporary management. Surgical options should be considered for treatment to achieve stability of the spine, relieve pain, and preserve neurological function in certain cases. PMID- 27865538 TI - Micafungin in the treatment of invasive fungal infection in an infant with extracorporeal. PMID- 27865539 TI - Meta-analysis of prevalence of wheezing and recurrent wheezing in infants. AB - BACKGROUND: Wheezing affects children's quality of life, and is related with asthma in childhood. Although prevalence of wheezing has been previously studied in several countries, there is no reference of worldwide prevalence in infants. The aim of this meta-analysis is to estimate the prevalence of wheezing and recurrent wheezing in infants aged up to two years, and compare the prevalence across world regions. METHODS: Literature search was conducted in MEDLINE and SCOPUS databases, looking for observational studies published up to June 2016, including as keywords "prevalence" or "epidemiology" combined with "wheeze", "wheezing" or "asthma symptoms" and "infant" or "preschool". Fast*Pro software and random effects Bayesian model were used. Heterogeneity was estimated using I2 statistic, and sensitivity analyses were performed. RESULTS: We identified 109 studies after duplicates were removed. After exclusions, 14 studies were included in the meta-analysis. Prevalence of wheezing and recurrent wheezing were 36.06% (95% CI 35.17-36.96), and 17.41% (95% CI 16.74-18.09), respectively. In European countries, prevalence of wheezing was 30.68% (95% CI 28.97-32.45), and 12.35% (95% CI 11.27-13.47) for recurrent wheezing. Prevalence of wheezing and recurrent wheezing in Latin America were higher, 40.55% (95% CI 39.40-41.71), and 19.27% (95% CI 18.44-20.11), respectively. In Africa, prevalence of wheezing was 15.97% (95% CI 14.05-18.00). Low or no heterogeneity was found in all cases. CONCLUSIONS: More than one third of infants suffer from wheezing and almost one fifth from recurrent wheezing, being these illnesses especially prevalent in Latin American countries, pointing out an important public health problem. PMID- 27865540 TI - Cofactors and comorbidities in patients with aspirin/NSAID hypersensitivity. AB - Hypersensitivity reactions to aspirin and other NSAIDs occur in individuals genetically predisposed and exhibit different clinical manifestations, especially respiratory, cutaneous, and generalised. Five different phenotypes define distinct clinical pictures: aspirin-exacerbated respiratory disease, aspirin/NSAID cutaneous disease, NSAID-induced urticaria, angio-oedema and anaphylaxis, single NSAID reactions, and delayed reactions. They are observed more frequently in middle-aged women, and in atopic individuals. While ASA/NSAID hypersensitivity shares comorbidities with asthma, chronic rhinosinusitis, nasal polyposis, chronic urticaria and angio-oedema, ASA and other NSAIDs can also be cofactors for other clinically relevant conditions, especially food-dependent exercise-induced anaphylaxis, angio-oedema induced by angiotensin-converting enzyme inhibitors, and oral mite anaphylaxis. Awareness on these relationships is required for the correct diagnosis, classification, and treatment of affected patients. PMID- 27865541 TI - Editorial Comment. PMID- 27865542 TI - High-capacity hollow porous dummy molecular imprinted polymers using ionic liquid as functional monomer for selective recognition of salicylic acid. AB - The existence of strong intramolecular hydrogen bond in salicylic acid (SA) weakens its intermolecular hydrogen bonding with functional monomer, then it is a challenge work to fabricate molecularly imprinted polymers (MIPs) for SA recognition with high capacity and good selectivity. Here, hollow porous dummy MIPs (HPDMIPs) were prepared using benzoic acid (BA) as dummy template, ionic liquid (i.e. 1-vinyl-3-methylimidazolium chloride) as functional monomer, and MCM 48 as sacrificial support. Factors that affected adsorption, such as type of template and porogen, mole ratio of template-functional monomer-cross-linker and type of binding solvent, were optimized in detail. Multiple strong interactions between SA and ionic liquid in HPDMIPs deduced higher binding capacity (29.75mg/g), imprinting factor (5.61) and selectivity than any previously reported MIPs by traditional or surface imprinting technology. The large surface area (543.9m2/g) with hollow porous structure resulted in faster kinetic binding (25min). The equilibrium data fitted well to Freundlich equation and the adsorption process could be described by pseudo-second order model. Finally, HPDMIPs were successfully applied to selectively extract and enrich SA from Actinidia chinensis with a relatively high recovery (84.6-94.5%). PMID- 27865543 TI - Patterns of care and survival outcomes in patients with pineal parenchymal tumor of intermediate differentiation: An individual patient data analysis. AB - BACKGROUND/PURPOSE: Pineal parenchymal tumor constitutes less than 1% of all CNS tumors. Pineal parenchymal tumor of intermediate differentiation is a rare tumor arising from the pineal parenchyma lying between the spectrum of Pineocytoma and Pineoblastoma. METHODS AND MATERIALS: We performed PubMed search with the following MesH terms: "pineal parenchymal tumor, pineal parenchymal tumor of intermediate differentiation, pineal parenchymal tumor of intermediate differentiation AND treatment, and pineal parenchymal tumor of intermediate differentiation AND survival" to find all possible publications pertaining to PPTID. Individual patient data on "age, gender, surgery, type of surgery, radiation and type of radiation, chemotherapy, recurrence, and survival" were tabulated. RESULTS: A total of 29 studies were found eligible with 127 patients. Median age was 33years (range: 4.5-75years). The male: female ratio was 1:1.6. Median MIB labeling index was 7 (range: 1-30). Adjuvant radiation was used in 46 (36.2%) of the patients and chemotherapy was used in 29 (22.8%) patients. Of the patients who had recurrence 62.5% experienced spinal or leptomeningeal recurrence while 37.5% had local recurrence. The median progression free survival and overall survival were 5.17 and 14years respectively. Univariate analysis revealed female sex and the use of adjuvant radiation to be associated with better overall survival. CONCLUSION: PPTIDs are associated with a moderate outcome with a median progression free survival of 5.17years and median overall survival of 14years. Patients with a sub total resection should be treated with adjuvant radiotherapy as addition of radiation is associated with better survival outcomes. PMID- 27865544 TI - Central liver toxicity after SBRT: An expanded analysis and predictive nomogram. AB - PURPOSE: To further explore the correlation of central biliary tract (cHBT) radiation doses with hepatobiliary toxicity (HBT) after stereotactic body radiation therapy (SBRT) in a larger patient dataset. METHODS: We reviewed the treatment and outcomes of all patients who received SBRT for primary liver cancer (PLC) and metastatic liver tumors between July 2004 and November 2015 at our institution. The cHBT was defined as isotropic expansions (5, 10, 15, 20 and 25mm) from the portal vein (PV). Doses were converted to biologically effective doses by using the standard linear quadratic model with alpha/beta of 10 (BED10). HBT was graded according to the Common Terminology Criteria for Adverse Events v4.03. RESULTS: Median follow-up was 13months. Out of the 130 patients with complete follow-up records analyzed, 60 (46.1%) had liver metastases, 40 (30.8%) had hepatocellular carcinoma (HCC), 26 (20%) had cholangiocarcinoma (CCA) and 4 (3.1%) patients other PLC histologies. Thirty-three (25.4%) grade 2+ and 28 (21.5%) grade 3+ HBT were observed. Grade 3+ HBT was seen in 13 patients (50%) with CCA, 7 patients (17.5%) with HCC and 7 (11.7%) patients with liver metastases. SBRT doses to the cHBT were highly associated with HBT, but only for PLC patients when analyzed by histological subtype. The 15mm expansion from the PV (cHBT15) proved to be an appropriate surrogate for the cHBT. The strongest cHBT15 dose predictors for G3+ HBT for PLC were the VBED1040?37cc (p<0.0001) and the VBED1030?45cc (p<0.0001). CONCLUSION: SBRT doses to the cHBT are associated with occurrence of HBT only in PLC patients. Limiting the dose to the cHBT to VBED1040<37cc and VBED1030<45cc when treating PLC patients with SBRT may reduce the risk of HBT. PMID- 27865546 TI - French consensus. Management of patients with hypersomnia: Which strategy? AB - Central hypersomnias principally involves type 1 narcolepsy (NT1), type 2 narcolepsy (NT2) and idiopathic hypersomnia (IH). Despite great progress made in understanding the physiopathology of NT1 with low cerebrospinal fluid hypocretin 1 levels, current treatment remains symptomatic. The same applies to NT2 and IH, for which the physiopathology is still largely unknown. Controlling excessive daytime sleepiness (EDS), cataplexy, hypnagogic hallucinations, sleep paralysis and disturbed night-time sleep are key therapeutic targets in NT1. For IH and NT2, reducing EDS is the main objective. Based on European and American directives for the treatment of narcolepsy, we propose French recommendations for managing central hypersomnias as well as strategies in the case of drug resistance. Stimulating treatments target EDS, and Modafinil is the first-line treatment. Other stimulants such as methylphenidate, pitolisant, and exceptionally dextro-amphetamine can be prescribed. Selective serotonin and noradrenaline reuptake inhibitor antidepressants are effective for the management of cataplexy in NT1. Sodium oxybate is an effective treatment for several symptoms, including EDS, cataplexy and disturbed night-time sleep. Treatment of central hypersomnia must also take into consideration frequent cardiovascular, metabolic and psychiatric comorbidities, particularly in NT1. New therapies are currently under study with the development of new stimulants and anti cataplectics. The next few years will see innovative emerging therapies, based on a physiopathological approach, aiming to restore hypocretinergic transmission or to interrupt the autoimmune processes causing the loss of hypocretin neurons. PMID- 27865545 TI - Anti-CGRP antibodies block CGRP-induced diarrhea in mice. AB - The multifunctional neuropeptide calcitonin gene-related peptide (CGRP) and its receptor are expressed throughout the gastrointestinal tract. Previous studies have shown that CGRP has roles in intestinal motility, water secretion, and inflammation. Furthermore, animal studies have demonstrated CGRP involvement in diarrhea secondary to C. difficile and food allergies. Diarrhea thus provides a convenient bioassay of CGRP activity in the GI system. In this proof of principle study, we report that prophylactic administration of an anti-CGRP antibody is able to block CGRP-induced diarrhea in mice. As a control, the CGRP-receptor antagonist olcegepant also attenuated the diarrhea response to CGRP. This preclinical study indicates that anti-CGRP antibodies may provide a new preventative therapy for gastrointestinal disorders involving CGRP. PMID- 27865547 TI - Isolated cortical vein thrombosis associated with clinically amyopathic dermatomyositis. PMID- 27865549 TI - Anaemia and fever in Kidney transplant. The role of human parvovirus B19. AB - Infections remain an issue of particular relevance in renal transplant patients, particularly viral infections. Human parvovirus B19 infection causes severe refractory anaemia, pancytopenia and thrombotic microangiopathy. Its presence is recognized by analysing blood polymerase chain reaction (PCR) and by the discovery of typical giant proerythroblasts in the bone marrow. We report the case of a 65 year-old man with a history of deceased donor renal transplant in September 2014. At 38 days after the transplant, the patient presented progressive anaemia that was resistant to erythropoiesis-stimulating agents. At 64 days after transplant, hyperthermia occurred with progressive deterioration of the patient's general condition. The viral serology and the first blood PCR for human parvovirus B19 were both negative. At 4 months and 19 days after, a bone marrow biopsy was conducted, showing giant erythroblasts with nuclear viral inclusions that were compatible with parvovirus; a PCR in the tissue confirmed the diagnosis. A second blood PCR was positive for parvovirus. After treatment with intravenous immunoglobulin and the temporary discontinuation of mycophenolate mofetil, a complete remission of the disease occurred, although the blood PCR for parvovirus B19 remained positive, so monitoring is necessary for future likely recurrence. PMID- 27865548 TI - Household and caregiver characteristics and behaviours as predictors of unsafe exposure of children to paraffin appliances. AB - This study examines adult safety knowledge and practices regarding the use of paraffin cooking appliances. The use of these is common in South Africa with injury risks that are poorly understood. This cross-sectional study was in an informal settlement in Johannesburg, South Africa, where children were reportedly at high risk for burns. This study sought to clarify relationships between key risks and developed individual and composite variables from theoretical constructs and operational definitions of risks for burns. Risks included Child Use of Paraffin Appliances, Child Proximity to Cooking, Risky Stove Use, Caregiver's Burn Treatment Knowledge, Children Locked in House, Children Alone in House. Number of children remains as in proof as this was not a composite scale. Child Proximity to Cooking was associated with more children in the home. Households where children were in greater proximity to cooking were 6 times more likely to be left alone at home, with caregivers with no education over 100 times more likely to lock their children at home. Children locked in were often from homes where caregivers used appliances unsafely. In settings with hazardous energy use, compressed household configurations, and families with multiple children, Risky Stove Use and the practice of locking children in the home may be catastrophic. PMID- 27865550 TI - The star fruit as a cause of acute kidney injury. PMID- 27865551 TI - Objective Voice Analysis of Pediatric Cochlear Implant Recipients and Comparison With Hearing Aids Users and Hearing Controls. AB - OBJECTIVES: Phonation is influenced by hearing as a feedback mechanism. The purpose of the present study was to compare selected acoustic parameters in children using cochlear implants (CIs), those using hearing aids (HA), and their normal-hearing (NH) peers. METHODS: The participants were 15 children using CI (mean age: 72 months), 15 children using HA (mean age: 74 months), and 15 NH children (mean age: 77 months). The vowel /a/ was produced to measure perturbation and mean fundamental frequency. The six Persian vowels in /CbVCd/ were obtained to extract vowel duration. Data were analyzed by one-way analysis of variance. RESULTS: Results revealed a statistically significant difference between the NH group and the HA group regarding fundamental frequency (F2,51 = 3.443, P < 0.05), jitter local (F2,51 = 1.629, P < 0.05), jitter local absolute (F2,51 = 6.519, P < 0.001), jitter rap (F2,51 = 7.151, P < 0.001), jitter ppq5 (F2,51 = 5.894, P < 0.001), shimmer local (%) (F2,51 = 8.070, P < 0.001), shimmer local (dB) (F2,51 = 3.884, P < 0.05), shimmer apq3 (F2,51 = 4.926, P < 0.05), shimmer apq5 (F2,51 = 8.442, P < 0.001), and harmonic-to-noise ratio (F2,51 = 4.117, P < 0.001). The mean values of the duration of all six vowels were significantly greater in children with CI and HA than in NH children (P < 0.001). CONCLUSION: It seems that after 8 months of using CI, auditory control of voice production would be enabled. Furthermore, children with hearing impairment potentially regard vowel sound duration as a distinguishing feature, whereas in NH speakers, the duration has the least effect in vowel identification. PMID- 27865553 TI - The need for personalized resuscitation guidelines in children with congenital heart disease. PMID- 27865552 TI - Relationship between Voice Complaints and Subjective and Objective Measures of Vocal Function in Iranian Female Teachers. AB - OBJECTIVES: Teachers are at high risk of developing voice problems because of the excessive vocal demands necessitated by their profession. Teachers' self assessment of vocal complaints, combined with subjective and objective measures of voice, may enable better therapeutic decision-making. This investigation compared audio-perceptual assessment and acoustic variables in teachers with and without voice complaints. METHODS: Ninety-nine teachers completed this cross sectional study and were assigned to one of two groups: those "with voice complaint (VC)" and those "without voice complaint (W-VC)." Voice samples were collected during reading, counting, and vowel prolongation tasks. Teachers were also asked to document any voice symptoms they experienced. Voice samples were analyzed using Dr. Speech program (4th version; Tiger Ltd., USA), and labeled "normal" or "abnormal" according to the "grade" dimension "G" from GRBAS scale. RESULTS: Twenty-one teachers were assigned to the VC group based on self assessment data. There were statistically significant differences between the two groups with regard to self-reported voice symptoms of hoarseness, breathiness, pitch breaks, and vocal fatigue (P < 0.05). Fourteen participants in the VC group and 40 from the W-VC group were determined to demonstrate "abnormal" vocal quality on perceptual assessment. Only harmonic-to-noise ratio was significantly higher for the W-VC group (ES = 0.55). CONCLUSION: Teachers with and without voice complaints differed in the incidence, but not type of voice symptoms. Teachers' voice complaints did not correspond to perceptual and acoustic measures. This suggests a potential unmet need for teachers to receive further education on voice disorders. PMID- 27865554 TI - Just because you can, doesn't mean you should: The flipside of technical feasibility. PMID- 27865555 TI - Calpain inhibitors: The aspirin of the 21st century? PMID- 27865557 TI - Hypoperfusion of the thalamus is associated with disability in relapsing remitting multiple sclerosis. AB - BACKGROUND: While gray matter (GM) perfusion abnormalities have been evidenced in multiple sclerosis (MS) patients, the relationships with disability still remain unclear. Considering that atrophy is known to impact on perfusion, we aimed to assess perfusion abnormalities in GM of MS patients, outside atrophic regions and investigate relationships with disability. METHODS: Brain perfusion of 23 relapsing remitting MS patients and 16 matched healthy subjects were assessed at 3T using the pseudo-continuous arterial spin labeling magnetic resonance imaging technique. In order to locate potential GM perfusion abnormalities in regions spared by atrophy, we combined voxelwise comparisons of GM cerebral blood flow (CBF) maps (cortex and deep GM) (P<0.005, FWE-corrected) and voxel-based morphometry analysis (P<0.005, FDR-corrected) to exclude atrophic regions. Disability was assessed using the Expanded Disability Status Scale (EDSS) and the Multiple Sclerosis Functional Composite score (MSFC). RESULTS: In patients, significant GM hypoperfusion outside atrophic regions was depicted only in bilateral thalami. No other cluster was found to be hypoperfused compared to controls. Perfusion of thalami was correlated to MSFC (P=0.011, rho=0.523). A trend of correlation was found between perfusion of thalami and EDSS (P=0.061, rho=-0.396). CONCLUSION: In relapsing remitting MS, perfusion abnormalities in thalamic regions contribute to disability. These findings suggest that functional impairments of thalami, representing a major brain hub, may disturb various cerebral functions even before structural damage. PMID- 27865556 TI - Trans-crocetin improves amyloid-beta degradation in monocytes from Alzheimer's Disease patients. AB - Herbal medicines have been recently employed in research and clinical studies for the potential treatment of behavioral and psychological symptoms associated with Alzheimer's Disease (AD) and other types of dementia. The present study investigates the effect of trans-crocetin, an active constituent of Crocus sativus L., to restore in vitro the reduced ability of AD patients' monocytes to degrade amyloid-beta(1-42) (Abeta42). CD14+ monocytes from 22 sporadic AD patients with moderate cognitive impairment were isolated; then, the role of trans-crocetin, purified from saffron extracts, was evaluated in terms of Abeta42 degradation rate through flow cytometry, as well as expression of cathepsin B by Western blotting. We observed that low micromolar doses of trans-crocetin enhanced Abeta42 degradation in AD monocytes through the upregulation of the lysosomal protease cathepsin B. CA074Me, a potent and selective cathepsin B inhibitor, counteracted such trans-crocetin-induced effect. These data suggest that the carotenoid trans-crocetin improves in vitro the clearance of Abeta42 through the involvement of cathepsin B, and this could be of value in developing a new anti-amyloid strategy in AD. PMID- 27865558 TI - Ligand binding to Ryanodine Receptors revealed through cryo-electron microscopy. PMID- 27865560 TI - Reply to "statins and non-alcoholic steatohepatitis". PMID- 27865561 TI - The cost effectiveness of vacuum-assisted versus core-needle versus surgical biopsy of breast lesions. AB - OBJECTIVES: To determine the cost effectiveness of breast biopsy by 9G vacuum assisted guided by vertical stereotaxy or ultrasonography in comparison with breast biopsy by 14G core-needle biopsy and surgical biopsy. MATERIAL AND METHODS: We analyzed a total of 997 biopsies (181 vacuum-assisted, 626 core, and 190 surgical biopsies). We calculated the total costs (indirect and direct) of the three types of biopsy. We did not calculate intangible costs. We measured the percentage of correct diagnoses obtained with each technique. To identify the most cost-effective option, we calculated the mean ratios for the three types of biopsies. RESULTS: Total costs were ?225.09 for core biopsy, ?638.90 for vacuum assisted biopsy, and ?1780.01 for surgical biopsy. The overall percentage of correct diagnoses was 91.81% for core biopsy, 94.03% for vacuum-assisted biopsy, and 100% for surgical biopsy; however, these differences did not reach statistical significance (p=0.3485). For microcalcifications, the percentage of correct diagnoses was 50% for core biopsy and 96.77% for vacuum-assisted biopsy (p<0.0001). For nodules, there were no significant differences among techniques. The mean cost-effectiveness ratio considering all lesions was 2.45 for core biopsy, 6.79 for vacuum-assisted biopsy, and 17.80 for surgical biopsy. CONCLUSION: Core biopsy was the dominant option for the diagnosis of suspicious breast lesions in general. However, in cases with microcalcifications, the low percentage of correct diagnoses achieved by core biopsy (50%) advises against its use in this context, where vacuum-assisted biopsy would be the technique of choice because it is more cost-effective than surgical biopsy, the other technique indicated for biopsying microcalcifications. PMID- 27865562 TI - Photo- and thermo-responsive multicompartment hydrogels for synergistic delivery of gemcitabine and doxorubicin. AB - Hydrogels have found promising applications in drug delivery due to their biocompatibility, high drug loading capability, and tunable release profiles. However, hydrogel-based carriers are primarily employed for delivering hydrophilic payloads while hydrophobic drugs cannot be efficiently delivered due to the lack of hydrophobic domains within conventional hydrogel matrices. Herein, we report that thermo- and photo-responsive hydrogels could be constructed from amphiphilic triblock copolymers, poly(N-isopropylacrylamide)-b-poly(4 acryloylmorpholine)-b-poly(2-((((2-nitrobenzyl)oxy)carbonyl) amino)ethyl methacrylate) (PNIPAM-b-PNAM-b-PNBOC), and the resulting hydrogels could be further engineered a new carrier for both hydrophilic gemcitabine (GCT) and hydrophobic doxorubicin (DOX). PNIPAM-b-PNAM-b-PNBOC triblock copolymers were first self-assembled into micelles with hydrophobic photosensitive PNBOC cores, hydrophilic PNAM inner shells, and thermoresponsive PNIPAM coronas below the lower critical solution temperature (LCST), while hydrogels of physically cross linked micellar nanoparticles were achieved at elevated polymer concentrations and high temperatures above the critical gelation temperature (CGT). Rheological experiments revealed that the CGT was highly dependent on polymer compositions and concentrations, that is, a longer hydrophobic PNBOC block or a higher polymer concentration led to a decreased CGT. However, the CGT prior to UV irradiation (CGT0) could be drastically elevated after UV irradiation (CGTUV) as a result of UV irradiation-induced concurrently cross-linking and hydrophobic-to-hydrophilic transition within PNBOC cores. As such, gel-to-sol transition could be accomplished by either temperature decrease or exposure to UV irradiation at a fixed temperature lower than the CGTUV. Note that both GCT and DOX could be simultaneously encapsulated into the hydrogels due to the coexistence of extramicellar aqueous phase and hydrophobic micellar cores. Intriguingly, the subsequent co-release of GCT and DOX could be regulated by taking advantage of either temperature or UV irradiation-mediated gel-to-sol transitions. PMID- 27865564 TI - Pneumococcal pep27 mutant immunization stimulates cytokine secretion and confers long-term immunity with a wide range of protection, including against non typeable strains. AB - Streptococcus pneumoniae is comprised of more than 90 serotypes and is the major causative agent of pneumonia, which results in over 1million deaths worldwide every year. Currently available injectable vaccines can protect against only 13 23 serotypes, and result in decrease of colonization against vaccine serotypes. However, they are neither effective for inhibition of non-vaccine serotypes colonization nor inhibition against initial colonization in the nasopharynx against various serotypes. Thus, development of a vaccine conveying broader protection at the colonization stage is required. This study examined whether the Deltapep27 mutant could provide protection at the nasopharynx against a broad range of serotypes. Deltapep27 immunization stimulated secretion of IL-4, IL-10, TNF-alpha, INF-gamma and IL-17, and significantly increased secretory-IgA levels in bronchoalveolar lavage fluid. Colonization and opsonophagocytosis assays demonstrated that Deltapep27 immunization could protect against many heterologous infections, including non-typeable strains, at the nasopharynx, and prompted efficient killing of heterologous strains, suggesting that Deltapep27 immunization provides a wide range of cross-protection. Furthermore, Deltapep27 immunization significantly increased both the survival rate and the level of IgG 3months post-immunization, demonstrating long-lasting immunity. Thus, Deltapep27 could serve as a highly feasible mucosal vaccine once it is further developed into a non-transformable strain. PMID- 27865563 TI - Sonic Hedgehog Signaling and Hippocampal Neuroplasticity. AB - Sonic hedgehog (Shh) is a secreted protein that controls the patterning of neural progenitor cells, and their neuronal and glial progeny, during development. Emerging findings suggest that Shh also has important roles in the formation and plasticity of neuronal circuits in the hippocampus, a brain region of fundamental importance in learning and memory. Shh mediates activity-dependent and injury induced hippocampal neurogenesis. Activation of Shh receptors in the dendrites of hippocampal neurons engages a trans-neuronal signaling pathway that accelerates axon outgrowth and enhances glutamate release from presynaptic terminals. Impaired Shh signaling may contribute to the pathogenesis of several developmental and adult-onset neurological disorders that affect the hippocampus, suggesting a potential for therapeutic interventions that target Shh pathways. PMID- 27865565 TI - [Ankle-brachial index screening for peripheral artery disease in high cardiovascular risk patients. Prospective observational study of 370 asymptomatic patients at high cardiovascular risk]. AB - INTRODUCTION: Peripheral arterial disease is a marker of systemic atherosclerosis; it is associated with a high risk of cardiovascular disease. The aim of our study was to assess the prevalence of peripheral arterial disease by measuring the ankle-brachial pressure index in patients at high cardiovascular risk and to study the risk factors associated with this disease. METHODOLOGY: This was a descriptive and analytic cross-sectional study which focused on 370 patients seen at the medical consultation for atherosclerosis prevention. The ankle-brachial index was measured with a portable Doppler (BIDOP 3) using 4 and 8Hz dual frequency probes. The standards were: normal ankle-brachial index 0.9 to 1.3; peripheral artery obstructive disease ankle-brachial index less than 0.9; poorly compressible artery (medial arterial calcification) ankle-brachial index greater than 1.3. Cardiovascular risk factors were also studied. RESULTS: Three hundred and seventy subjects (mean age 65.5+/-8.7years) were screened Cardiovascular risk factors were: sedentary lifestyle (91.5 %), hypertension (68.1 %), elevated LDL-cholesterolemia (36.3 %), diabetes (48.3 %) and tobacco smoking (33.8 %). The prevalence of peripheral artery disease was 32.4 % of which 77.5 % were asymptomatic. We found a significant correlation with smoking, diabetes, dyslipidemia and the presence of coronary artery disease or vascular cerebral disease. Screening for peripheral arterial disease (PAD) with the ankle brachial index has increased the percentage of polyvascular patients from 6.2 to 29 %. Factors independently associated with PAD were advanced age, presence of cardiovascular disease, smoking and glycated hemoglobin. CONCLUSION: PAD is a common condition in people at high cardiovascular risk, the frequency of asymptomatic forms justifies the screening with pocket Doppler which is a simple, inexpensive and effective test to assess the overall cardiovascular risk. PMID- 27865567 TI - Preconceptional and perinatal exposure to traffic-related air pollution and eczema in preschool children. AB - BACKGROUND: Evidence linking prenatal exposure to outdoor air pollution with eczema in early childhood is scare, and the role of components of air pollution and exposure timing remains unclear. OBJECTIVES: We investigated the association between exposure to air pollution during preconceptional and perinatal period and the risk of eczema in preschool children. METHODS: We conducted a prospective cohort study of 2598 children aged 3-6 years in Changsha, China. The prevalence of eczema was assessed by a standardized health questionnaire administered by the parents. Individual exposures to nitrogen dioxide (NO2), sulfur dioxide (SO2) and particulate matter with an aerodynamic diameter<=10MUm (PM10) during the 4th-6th and 1st-3rd month before pregnancy, entire pregnancy, and three trimesters were estimated by an inverse distance weighted (IDW) method based on concentrations measured at monitoring stations. Association between childhood eczema and exposure to air pollution was examined by logistic regression models in terms of odds ratio (OR) and 95% confidence interval (CI) for an interquartile range (IQR) increase in exposure. RESULTS: Life-time prevalence of eczema in preschool children in Changsha was 28.6%. Childhood eczema was associated with traffic related air pollutant NO2 during 3 months before pregnancy and entire pregnancy with adjusted ORs=1.19 (95% CI: 1.04-1.37) and 1.21 (95% CI: 1.03-1.42) respectively. The highest risk of eczema was observed for the 1st trimester exposure to NO2 [OR=1.26 (95% CI: 1.09-1.46)]. However, no association was detected for SO2 and PM10 exposure during any window. High-level exposure to NO2 during the whole time period significantly increased the effect of NO2 in all windows on eczema risk as compared with low-level exposure. Sensitivity analysis indicated that the association between both preconceptional and perinatal exposure to NO2 and childhood eczema was consistent and robust, and this association was modified by some personal, parental hereditary and indoor environmental factors. CONCLUSION: Our findings support the hypothesis that early childhood eczema is associated with exposure to traffic-related air pollutant during both preconceptional and perinatal period, especially at a high level of exposure. PMID- 27865566 TI - Phosphorus Additives and Albuminuria in Early Stages of CKD: A Randomized Controlled Trial. AB - BACKGROUND: Little is known about the effects of phosphorus additives on patients with kidney disease. STUDY DESIGN: Randomized, double-blind, crossover trial. SETTING & PARTICIPANTS: 31 adults with early stages of presumed chronic kidney disease (estimated glomerular filtration rate >= 45mL/min/1.73m2; urine albumin creatinine ratio sex-specific cutoff points: men >= 17mg/g, women >= 25mg/g). INTERVENTION: Higher versus lower phosphorus intake for 3 weeks. Higher phosphorus intake was achieved by the addition of commercially available diet beverages and breakfast bars to diet. OUTCOMES: Change in 24-hour urine albumin excretion and plasma fibroblast growth factor 23 level. MEASUREMENTS: Two 24-hour urine collections and a single fasting blood draw at the end of each period. RESULTS: Mean baseline values for phosphorus intake, 24-hour urine phosphorus excretion, and estimated glomerular filtration rate were 1,113+/-549 (SD) mg/d, 688+/-300mg/d, and 74.6+/-22.0mL/min/1.73m2. Median urine albumin excretion of 82.7 (IQR, 39.6-174.1) mg/d. Although phosphorus intake from study products increased by 993mg/d (P<0.001) during the higher compared to lower phosphorus additive period, background phosphorus intake decreased by 151mg/d (P=0.004). Higher phosphorus additive consumption increased 24-hour urine phosphorus excretion by 505 (95% CI, 381 to 629) mg/d (P<0.001), but did not significantly increase albuminuria (higher vs lower: 14.3%; 95% CI, -2.5% to 34.0%; P=0.1) or fibroblast growth factor 23 level (higher vs lower: 3.4%; 95% CI, -5.9% to 13.6%; P=0.4). LIMITATIONS: Small sample size, short duration of intervention, changes in background diet during the intervention. CONCLUSIONS: A 3-week consumption of higher phosphorus food additives did not significantly increase albuminuria. Further studies are needed to confirm these results. PMID- 27865568 TI - Home Discharge After Primary Elective Total Joint Arthroplasty: Postdischarge Complication Timing and Risk Factor Analysis. AB - BACKGROUND: Bundled payment programs for primary total joint arthroplasty (TJA) have identified reducing nonhome discharge as a major area of cost savings. Health care providers must therefore identify, risk stratify, and appropriately care for home-discharged TJA patients. This study aimed to analyze risk factors and timing of postdischarge complications among home-discharged primary total hip arthroplasty (THA) and total knee arthroplasty (TKA) patients and risk stratify them to identify those who would benefit from higher level care. METHODS: Patients discharged home after elective primary THA/TKA from 2011 to 2014 were identified in the National Surgical Quality Improvement Program database. Bivariate and multivariate analyses were performed using perioperative variables. RESULTS: A total of 50,376 and 71,293 home-discharged THA and TKA patients were included for analysis, of which, 1575 THA (3.1%) and 2490 TKA (3.5%) patients suffered postdischarge severe complications or unplanned readmissions. These patients were older, smokers, obese, and functionally dependent (P < .001 for all). In multivariate analysis, severe adverse event predischarge, age, male gender, functional status, and 10 other variables were all associated with >=1.22 odds of postdischarge severe adverse event or readmission (P < .05). THA and TKA patients with 2, 3, or >=4 risk factors had 1.43-5.06 times odds of complications within 14 days post discharge and 1.41-3.68 times odds of complications beyond 14 days compared to those with 0 risk factors (P < .001 for all). CONCLUSION: Risk factors can be used to predict which home-discharged TJA patients are at greatest risk of postdischarge complications. Given that this is a growing population, we recommend the development of formal risk-stratification protocols for home discharged TJA patients. PMID- 27865569 TI - Response to Letter to the Editor on 'Tibiofemoral Dislocation After Total Knee Arthroplasty'. PMID- 27865570 TI - Letter to the Editor on 'Tibiofemoral Dislocation After Total Knee Arthroplasty'. PMID- 27865571 TI - The authors respond: methodological issues in studying shock indices. PMID- 27865572 TI - Salmonella colitis as an unusual cause of elevated serum lipase. AB - Authors and clinicians advocate lipase as the preferred serological test for the diagnosis for acute pancreatitis. While acute pancreatitis is among the differential diagnosis for elevated lipase levels, several other causes of elevated lipase levels have been identified including several reports Salmonella species as a causative agent. There also have been retrospective studies that have reported clinical pancreatitis associated with Salmonella infection. These studies concluded that clinical pancreatitis should be considered as a complication of Salmonella infections. However, Salmonella infections may induce elevated pancreatic enzyme levels without clinical pancreatitis or morphological pancreatic abnormalities through a variety of proposed mechanisms. The following is a case that describes a patient who developed Salmonella colitis and demonstrated elevated serum lipase levels without clinical pancreatitis. PMID- 27865573 TI - Polyarteritis nodosa presenting as bilateral Wunderlich syndrome: Rare cause of flank pain in a young woman. PMID- 27865574 TI - Comparison of blind intubation through the I-gel and the Air-QTM by novice physicians during cardiopulmonary resuscitation: A randomized, crossover, manikin trial. PMID- 27865575 TI - Pathophysiology of Severe diabetic ketoacidosis presenting with negative serum ketones. PMID- 27865576 TI - Embolization of Congenital Renal Arteriovenous Malformations Using Ethanol and Coil Depending on Angiographic Types. AB - PURPOSE: To evaluate effectiveness and safety of embolization of congenital renal arteriovenous malformations (AVMs) using ethanol and/or coil according to angiographic type. MATERIALS AND METHODS: Between August 2010 and October 2015, 11 patients (13 sessions; 10 women and 1 man; mean age, 50.8 y) with congenital renal AVMs were treated using ethanol and/or coils via 2 approaches (transarterial access or direct puncture). Demographics, clinical findings, diagnostic modalities, angiographic types, technical and clinical success rates, and complications were reviewed. Renal AVMs were classified into 3 angiographic types, and treatment was based on this classification. RESULTS: Technical success rate was 91% (10/11), and clinical success rate was 100% (11/11). Of patients, 7 had type III AVMs, 3 had type I AVMs, and 1 had type II AVM. Embolic agents were ethanol in 5 patients, coils with ethanol in 3 patients, and coils in 3 patients. Of the 8 patients treated with ethanol, 6 had infarcted renal areas of 3.5%-30% (mean, 14.6%). After a mean follow-up period of 16.3 months, there was no evidence of recurrent AVMs on imaging or laboratory studies. CONCLUSIONS: Embolization of congenital renal AVMs via transarterial or direct percutaneous approaches using ethanol and/or coils based on a simple angiographic classification was safe and effective and elicited good outcomes. Most of the patients with congenital renal AVMs were women. PMID- 27865577 TI - Influence of Statin Therapy on Aneurysm Sac Regression after Endovascular Aortic Repair. AB - PURPOSE: To determine whether statin therapy is associated with abdominal aortic aneurysm (AAA) sac regression after endovascular aneurysm repair (EVAR). MATERIALS AND METHODS: A total of 109 patients treated with EVAR were retrospectively analyzed (no-statin group, n = 45; statin group, n = 64). The primary endpoint was the incidence of AAA sac regression. To investigate independent predictors of AAA sac regression, regression analysis was performed. The mean age was 74 years (range, 55-90 y), and 87.2% of patients were men. RESULTS: The no-statin group had higher rates of AAA sac regression than the statin group at 1 year (no-statin group, 66.7%; statin group, 45.3%; P = .028). The incidence of AAA sac regression increased over time in the statin group, and no statistical difference was seen between the two groups at 2 years (no-statin group, 66.7%; statin group, 57.8%; P = .350). The difference between the changes in maximum AAA diameter was significant between groups at 1 year (no-statin group vs statin group, -4.9 mm +/- 5.9; P = .041), but the difference did not reach statistical significance at 2 years (no-statin group, -10.0 mm +/- 10.1; statin group, -8.0 mm +/- 9.6; P = .306). Statin therapy was not associated with AAA sac regression on univariate (odds ratio [OR], 0.685; 95% confidence interval [CI], 0.310-1.516; P = .351) and multivariate analyses (OR, 0.617; 95% CI, 0.215-1.772; P = .369). CONCLUSIONS: Statin therapy had no effect on AAA sac regression at 2 years. There is insufficient evidence to recommend statin therapy for AAA sac regression. PMID- 27865578 TI - Comparison of the Carlsson-Dent and GERD-Q questionnaires for gastroesophageal reflux disease symptom detection in a general population. AB - INTRODUCTION: Gastroesophageal reflux disease (GERD) is an extremely common pathology in the general population and one of the main reasons for consultation in gastroenterology. There are different instruments for detecting its symptoms, but few studies comparing one tool with another have been conducted in Mexico. AIMS: To compare the effectiveness of the Carlsson-Dent questionnaire (CDQ) and the GERD-Q questionnaire (GQQ) in detecting GERD symptoms in a general population. MATERIALS AND METHODS: A prospective, descriptive, cross-sectional study was conducted on 220 individuals in an open population within the time frame of May-June 2015. The subjects were evaluated through the self-assessment CDQ and GQQ. The positive scores from the CDQ (>= 4) were compared with those of the GQQ (>= 8), to determine which of the two instruments more easily detected patients with GERD symptoms. RESULTS: Fifty-seven percent of the patients were men and the mean patient age was 38.1 years. Fifty percent of the subjects presented with GERD symptoms with a positive score in at least one questionnaire; 45% had positive CDQ results and 23% had positive GQQ results. Fifty-seven percent of the patients with a positive CDQ score presented with overweight/obesity, as did 72% of the patients with a positive GQQ result. Finally, 20% of the individuals had positive results for reflux symptoms in both questionnaires. CONCLUSIONS: There was a prevalence of GERD symptoms in 50% of the individuals studied from a general population. The GQQ detected a greater number of GERD symptoms in patients that presented with overweight/obesity and the CDQ was considered easier for patients to understand and answer. It is striking that there was only 20% agreement between the two questionnaires, suggesting that they may be useful for identifying GERD symptoms in different populations. PMID- 27865579 TI - Impact of childhood psoriasis on parents of affected children. AB - BACKGROUND: Childhood diseases, such as atopic dermatitis, have a negative impact on quality of life (QoL) of parents. How pediatric psoriasis affects a parent's QoL is unknown. OBJECTIVE: To explore the impact of childhood psoriasis on the lives of the parents. METHODS: Semistructured interviews were conducted with 31 parents of children with psoriasis. Narrative data were analyzed and a conceptual framework of the effects of childhood psoriasis on parents was developed. RESULTS: All parents reported that their child's psoriasis caused a substantial, negative impact on their own QoL. A conceptual framework showed a negative impact on health and self-care, emotional well-being, family and social function, personal well-being, and life pursuits. Emotional well-being was the most affected domain. LIMITATIONS: It was not possible to correlate psoriasis severity with parental QoL. CONCLUSION: Childhood psoriasis alters the QoL of parents in multiple ways. Information from this study can be used to develop a QoL instrument to explore treatment and support strategies for families affected by pediatric psoriasis. PMID- 27865580 TI - The role of dual-energy computed tomography in the assessment of pulmonary function. AB - The assessment of pulmonary function, including ventilation and perfusion status, is important in addition to the evaluation of structural changes of the lung parenchyma in various pulmonary diseases. The dual-energy computed tomography (DECT) technique can provide the pulmonary functional information and high resolution anatomic information simultaneously. The application of DECT for the evaluation of pulmonary function has been investigated in various pulmonary diseases, such as pulmonary embolism, asthma and chronic obstructive lung disease and so on. In this review article, we will present principles and technical aspects of DECT, along with clinical applications for the assessment pulmonary function in various lung diseases. PMID- 27865582 TI - Orientation of the electrical heart axis in mid-term pregnancy. PMID- 27865583 TI - Huge Nabothian cyst causing Hematometra (case report). PMID- 27865584 TI - Cooperation and deception in primates. AB - Though competition and cooperation are often considered opposing forces in an arms race driving natural selection, many animals, including humans, cooperate in order to mitigate competition with others. Understanding others' psychological states, such as seeing and knowing, others' goals and intentions, and coordinating actions are all important for complex cooperation-as well as for predicting behavior in order to take advantage of others through tactical deception, a form of competition. We outline evidence of primates' understanding of how others perceive the world, and then consider how the evidence from both deception and cooperation fits this framework to give us a more complete understanding of the evolution of complex social cognition in primates. In experimental food competitions, primates flexibly manipulate group-mates' behavior to tactically deceive them. Deception can infiltrate cooperative interactions, such as when one takes an unfair share of meat after a coordinated hunt. In order to counter competition of this sort, primates maintain cooperation through partner choice, partner control, and third party punishment. Yet humans appear to stand alone in their ability to understand others' beliefs, which allows us not only to deceive others with the explicit intent to create a false belief, but it also allows us to put ourselves in others' shoes to determine when cheaters need to be punished, even if we are not directly disadvantaged by the cheater. PMID- 27865581 TI - [Orthostatic hypotension; that great unknown]. AB - Orthostatic hypotension is an anomaly of growing interest in scientific research. Although certain neurogenic diseases are associated with this phenomenon, it can also be associated with non-neurological causes. Although orthostatic hypotension is defined by consensus as a decrease in the systolic blood pressure of at least 20mmHg, or a decrease in diastolic blood pressure of at least 10mmHg, within 3min of standing, the studies differ on how to diagnose it. Orthostatic hypotension is associated with certain cardiovascular risk factors and with drug treatment, but the results are contradictory. The purpose of this review is to update the knowledge about orthostatic hypotension and its treatment, as well as to propose a method to standardise its diagnosis. PMID- 27865585 TI - The prevalence of posttraumatic stress disorder in pregnancy and after birth: A systematic review and meta-analysis. AB - BACKGROUND: Previous reviews have provided preliminary insights into risk factors and possible prevalence of Post-traumatic Stress Disorder (PTSD) postpartum with no attempt to examine prenatal PTSD. This study aimed to assess the prevalence of PTSD during pregnancy and after birth, and the course of PTSD over this time. METHODS: PsychINFO, PubMed, Scopus and Web of Science were searched using PTSD terms crossed with perinatal terms. Studies were included if they reported the prevalence of PTSD during pregnancy or after birth using a diagnostic measure. RESULTS: 59 studies (N =24267) met inclusion criteria: 35 studies of prenatal PTSD and 28 studies of postpartum PTSD (where 4 studies provided prevalence of PTSD in pregnancy and postpartum). In community samples the mean prevalence of prenatal PTSD was 3.3% (95%, CI 2.44-4.54). The majority of postpartum studies measured PTSD in relation to childbirth with a mean prevalence of 4.0% (95%, CI 2.77-5.71) in community samples. Women in high-risk groups were at more risk of PTSD with a mean prevalence of 18.95% (95%, CI 10.62-31.43) in pregnancy and 18.5% (95%, CI 10.6-30.38) after birth. Using clinical interviews was associated with lower prevalence rates in pregnancy and higher prevalence rates postpartum. LIMITATIONS: Limitations include use of stringent diagnostic criteria, wide variability of PTSD rates, and inadequacy of studies on prenatal PTSD measured in three trimesters. CONCLUSIONS: PTSD is prevalent during pregnancy and after birth and may increase postpartum if not identified and treated. Assessment and treatment in maternity services is recommended. PMID- 27865586 TI - Erythropoietin induces production of hepatocyte growth factor from bone marrow mesenchymal stem cells in vitro. AB - BACKGROUND: Hepatocyte Growth Factor (HGF) plays a pivotal role in hematopoiesis, motility, growth and mobilization of hematopoietic stem/progenitor cells (HSPCs). HGF mainly is produced by bone marrow mesenchymal stem cells (BM-MSCs). MSCs express erythropoietin (EPO) receptor. In this study, we aimed to assess the effect of EPO on HGF secretion in BM-MSCs. METHODS: The BM-MSCs treated with EPO (4 IU/ml) for 6, 24 and 48 h. HGF gene expression and protein level were assessed using quantitative real time PCR (qRT-PCR) and Enzyme-linked immunosorbant Assay. In order to show the effect of secreted HGF on migration of HSPCs, hematopoietic stem cells (HSCs) were isolated from cord blood and evaluated using transwell migration assay. RESULTS: We observed a significant increase in level of HGF in cell supernatant after 48 h compared to control group (P < 0.05). Also, qRT-PCR results demonstrated a significant elevation in HGF expression level after 24 and 48 h treatment with EPO compared to control group (P < 0.05). Finally, migration assay results showed a significant increase in migration of HSCs in treated group after 48 h. CONCLUSION: Our data indicated that EPO may play an important role in stem cell mobilization through up regulating HGF in MSCs and inducing migration of HSCs. PMID- 27865587 TI - [A new history...]. PMID- 27865589 TI - Discussion. PMID- 27865588 TI - Pediatric patients with pheochromocytoma and paraganglioma should have routine preoperative genetic testing for common susceptibility genes in addition to imaging to detect extra-adrenal and metastatic tumors. AB - BACKGROUND: Pediatric pheochromocytomas and paragangliomas are rare with limited data on the optimal management approach. The aim of this study was to determine the role of genetic testing and imaging to detect extra-adrenal and/or metastatic tumors in pediatric pheochromocytomas and paragangliomas. METHODS: We performed a retrospective study of 55 patients diagnosed at <=21 years of age with pheochromocytomas and paragangliomas with analysis of data on genetic testing and multimodal imaging. RESULTS: Eighty percent of patients (n = 44/55) had a germline mutation. The majority were found to have either VHL (38%) or SDHB (25%) mutation. Pheochromocytoma was present in 67% (n = 37/55) of patients and was bilateral in 51% (n = 19/37). The majority of patients with bilateral pheochromocytomas had VHL (79%). Abdominal paragangliomas was present in 22% (n = 12/55), head and neck paragangliomas in 11% (n = 6/55), and thoracic paragangliomas in 2 of 55 patients. For paragangliomas, SDHx accounted for 72% (n = 13/18) of mutations. The rate of malignancy was 16% (n = 9/55), 56% of whom had SDHB mutations. In two-thirds of patients, functional imaging identified either extra-adrenal paragangliomas and/or metastatic disease. CONCLUSION: The majority of pediatric patients with pheochromocytomas and paragangliomas have detectable germline mutations. Therefore, we suggest strongly that all pediatric patients with pheochromocytomas and paragangliomas undergo genetic testing and imaging to detect extra-adrenal paragangliomas and metastatic disease to guide treatment and follow-up. PMID- 27865590 TI - Sphincter of Oddi botulinum toxin injection to prevent pancreatic fistula after distal pancreatectomy. AB - BACKGROUND: Postoperative pancreatic fistula represents the most important complication after distal pancreatectomy. The aim of this study was to evaluate the use of a preoperative endoscopic injection of botulinum toxin into the sphincter of Oddi to prevent postoperative pancreatic fistula (German Clinical Trials Register number: DRKS00007885). METHODS: This was an investigator initiated, prospective clinical phase I/II trial with an exploratory study design. We included patients who underwent preoperative endoscopic sphincter botulinum toxin injection (100 units of Botox). End points were the feasibility, safety, and postoperative outcomes, including postoperative pancreatic fistula within 30 days after distal pancreatectomy. Botulinum toxin patients were compared with a control collective of patients undergoing distal pancreatectomy without botulinum toxin injection by case-control matching in a 1:1 ratio. RESULTS: Between February 2015 and February 2016, 29 patients were included. All patients underwent successful sphincter of Oddi botulinum toxin injection within a median of 6 (range 0-10) days before operation. One patient had an asymptomatic, self-limiting (48 hours) increase in serum amylase and lipase after injection. Distal pancreatectomy was performed in 24/29 patients; 5 patients were not resectable. Of the patients receiving botulinum toxin, 7 (29%) had increased amylase levels in drainage fluid on postoperative day 3 (the International Study Group of Pancreatic Surgery definition of postoperative pancreatic fistula grade A) without symptoms or need for reintervention. Importantly, no clinically relevant fistulas (International Study Group of Pancreatic Surgery grades B/C) were observed in botulinum toxin patients compared to 33% postoperative pancreatic fistula grade B/C in case-control patients (P < .004). CONCLUSION: Preoperative sphincter of Oddi botulinum toxin injection is a novel and safe approach to decrease the incidence of clinically relevant postoperative pancreatic fistula after distal pancreatectomy. The results of the present trial suggest its efficacy in the prevention of clinically relevant postoperative pancreatic fistula and are validated currently in the German Federal Government sponsored, multicenter, randomized controlled PREBOT trial. PMID- 27865591 TI - Outcome of adrenalectomy for subclinical hypercortisolism and Cushing syndrome. AB - BACKGROUND: We compared operative and metabolic outcomes in patients with subclinical Cushing syndrome and Cushing syndrome caused by unilateral adrenal lesion, aiming to clarify the role of glucocorticoid replacement treatment in patients with subclinical Cushing syndrome after adrenalectomy. METHODS: The medical records of all the patients who underwent unilateral adrenalectomy for subclinical Cushing syndrome or Cushing syndrome were reviewed. Diagnostic criteria for subclinical Cushing syndrome were a pathologic dexamethasone suppression test plus 2 additional criteria. RESULTS: Twenty-nine patients with subclinical Cushing syndrome and 50 with Cushing syndrome were identified. No significant difference was found between patients with subclinical Cushing syndrome and Cushing syndrome regarding lesion size, operative time, and hospital stay. Two patients out of 29 with subclinical Cushing syndrome and 3 out of 50 patients with Cushing syndrome experienced Clavien-Dindo grade II complications (P = .87). All the patients required postoperative glucocorticoid replacement that was discontinued within 6 months in 28 of the 29 patients with subclinical Cushing syndrome and in 3 out of 50 Cushing syndrome patients (P < .005). At long term follow-up, adrenalectomy significantly improved hypertension and diabetes in affected patients, with no differences between subclinical Cushing syndrome and Cushing syndrome. Hypercortisolism was resolved in all the cases. CONCLUSION: Operative and metabolic outcomes of adrenalectomy are similar in subclinical Cushing syndrome and Cushing syndrome. Postoperative glucocorticoid replacement treatment is advisable in all patients with subclinical Cushing syndrome. Prolonged adrenal insufficiency is more frequent in Cushing syndrome patients. PMID- 27865594 TI - Editorial: The role of intraoperative physiologic data in contemporary thyroid surgery. PMID- 27865593 TI - Identification of novel therapeutic targets in anaplastic thyroid carcinoma using functional genomic mRNA-profiling: Paving the way for new avenues? AB - BACKGROUND: Currently, anaplastic thyroid carcinoma has a very poor prognosis and there is an unmet need for new therapeutic options. Therefore, this study aims to identify upregulated genes in anaplastic thyroid carcinoma with known drug interactions that could serve as new therapeutic targets. METHODS: Publicly available microarray expression profiles of anaplastic thyroid carcinoma and normal thyroid tissue were collected. FGmRNA-profiling was applied, which is a recently developed method that enhances the ability to capture the downstream effects of genomic alterations on gene expression levels. Next, a comparison between FGmRNA-profiles of anaplastic thyroid carcinoma and normal thyroid samples was performed. Significantly upregulated genes in ATC were prioritized based on: 1) known interaction with antineoplastic drugs, 2) current drug development status in human, and 3) association with biologic pathways known to be involved in anaplastic thyroid carcinoma carcinogenesis. RESULTS: In the study, 25 anaplastic thyroid carcinoma and 80 normal thyroid samples were included for FGmRNA-profiling. Class comparison identified 301 significantly upregulated genes. Following prioritization, MTOR, MET, WEE1, PSMD1, MERTK, FGFR3, RARG, and ESR2 were identified as potential therapeutic targets. CONCLUSION: We prioritized 8 potential therapeutic druggable targets in anaplastic thyroid carcinoma. Ultimately, inhibition of these therapeutic targets might improve patient outcome in anaplastic thyroid carcinoma by reducing locoregional disease and distant metastases. PMID- 27865592 TI - Parathyroidectomy for primary hyperparathyroidism improves sleep quality: A prospective study. AB - BACKGROUND: This prospective survey study assessed changes in sleep quality in patients with primary hyperparathyroidism after parathyroidectomy. METHODS: Patients undergoing parathyroidectomy for primary hyperparathyroidism (n = 110) or thyroidectomy for benign euthyroid disease (control group; n = 45) were recruited between June 2013 and June 2015 and completed the Pittsburgh Sleep Quality Index preoperatively and at 1- and 6 months postoperatively. "Poor" sleep quality was defined as a score >5; a clinically important and relevant improvement was a >=3-point decrease. RESULTS: Preoperatively, parathyroid patients had worse sleep quality than thyroid patients (mean 8.1 vs 5.3; P < .001); 76 (69%) parathyroid and 23 (51%) thyroid patients reported poor sleep quality (P = .03). Postoperatively, only parathyroid patients demonstrated improvement in sleep quality; mean scores did not differ between the parathyroid and thyroid groups at 1 month (6.3 vs 5.3; P = .12) or 6 months (5.8 vs 4.6; P = .11). The proportion of patients with a clinically important improvement in sleep quality was greater in the parathyroid group at 1 month (37% vs 10%; P < .001) and 6 months (40% vs 17%; P = .01). Importantly, there was no difference in the proportion of patients with poor sleep quality between the 2 groups at 1 month (50% vs 40%; P = .32) and 6 months (40% vs 29%; P = .22). CONCLUSION: More than two-thirds of patients with primary hyperparathyroidism report poor sleep quality. After parathyroidectomy, over one-third experienced improvement, typically within the first month postoperatively. PMID- 27865595 TI - Of mice and men(in) and what I have learned from both. PMID- 27865596 TI - Discussion. PMID- 27865597 TI - Expert consensus of general surgery residents' proficiency with common endocrine operations. AB - BACKGROUND: Proficiency with common endocrine operations is expected of graduating, general surgery residents. However, no expert consensus guidelines exist about these expectations. METHODS: Members of the American Association of Endocrine Surgeons were surveyed about their opinions on resident proficiency with common endocrine operations. RESULTS: Overall response rate was 38%. A total of 92% of the respondents operate with residents. On average, they believed that the steps of a total thyroidectomy for benign disease and a well-localized parathyroidectomy could be performed by a postgraduate year 4 surgery resident. Specific steps that they thought might require more training included decisions to divide the strap muscles or leaving a drain. Approximately 66% of respondents thought that a postgraduate year 5 surgery resident could independently perform a total thyroidectomy for benign disease, but only 45% felt similarly for malignant thyroid disease; 79% thought that a postgraduate year 5 surgery resident could independently perform a parathyroidectomy. Respondents' years of experience correlated with their opinions about resident autonomy for total thyroidectomy (benign r = 0.38, P < .001; malignant r = 0.29, P = .001) but not parathyroidectomy. On multivariate analysis, sex and years of experience of the respondents were independently associated with opinions on autonomy but only for total thyroidectomy for benign disease (P = .001). Annual endocrine volume of the respondents did not correlate with beliefs in autonomy. CONCLUSION: There was general agreement among responding members of the AAES about resident proficiency and autonomy with common endocrine operations. As postgraduate year 5 residents may not be proficient in advanced endocrine operations, opportunities exist to improve training prior to the transition to independent practice for graduates that anticipate performing endocrine operations routinely. PMID- 27865598 TI - Suppression of cytochrome P450 4B1: An early event in adrenocortical tumorigenesis. AB - BACKGROUND: Adrenocortical carcinoma is a rare neoplasm with a poor prognosis. Conversely, adrenocortical adenomas are common and benign. Despite their shared histologic origin, little evidence exists to suggest that adrenocortical adenoma arises from adrenocortical carcinoma. Recent genetic analyses of adrenocortical carcinoma have shown recurrent gene copy deletion of CYP4B1, a cytochrome P450 isozyme. This study investigates a potential role for CYP4B1 in modulating adrenocortical tumorigenesis and/or conferring chemoresistance to adrenocortical carcinomas. METHODS: Using TaqMan, real-time quantitative polymerase chain reaction techniques, we investigated CYP4B1 expression in normal adrenal cortex (n = 10), histologically confirmed adrenocortical adenomas (n = 10), and adrenocortical carcinomas (n = 10). Adrenocortical carcinoma cell lines were enforced to express CYP4B1, and effects on cell death and enhanced mitotane and cisplatin sensitivity were tested. RESULTS: Gene expression analyses demonstrated suppression of CYP4B1 in 100% of both the adrenocortical adenomas (10/10) and adrenocortical carcinomas (10/10) tested. Average relative expression of CYP4B1 was decreased at 0.19 (0.01-0.50; P < .01) in adrenocortical adenomas and nearly absent in adrenocortical carcinomas (0.01; 0.00-0.05; P < .01). Protein expression correlated with mRNA expression. Ectopic expression of CYP4B1 promoted cytotoxicity and increased chemosensitivity in adrenocortical carcinoma cell lines. CONCLUSION: CYP4B1 is silenced in both benign and malignant adrenocortical tumors and may contribute to tumorigenesis and chemoresistance. Sensitization of adrenocortical carcinoma cells engineered to overexpress CYP4B1 further supports this notion. PMID- 27865600 TI - Discussion. PMID- 27865599 TI - Discussion. PMID- 27865601 TI - Discussion. PMID- 27865603 TI - Discussion. PMID- 27865602 TI - Evolution and impact of lymph node dissection during pancreaticoduodenectomy for pancreatic cancer. AB - BACKGROUND: Insufficient examination of lymph nodes after pancreaticoduodenectomy can lead some pancreatic cancer patients with N1 disease to be misclassified as N0. We examined trends in lymph node dissection throughout time and investigated how these changes affect lymph node status and its prognostic value. METHODS: The National Cancer Data Base was queried for patients with nonmetastatic pancreatic adenocarcinoma (2004-2013) who underwent classic pancreaticoduodenectomy with antrectomy. Logistic regression was performed for odds of node positivity. Kaplan Meier curves and Cox proportional hazards models were used to assess the impact of lymph node status on overall survival for patients diagnosed during 2-year intervals from 2004-2012. RESULTS: Median number of examined lymph nodes was 10 (interquartile range 6-15) in 2004 vs 17 (interquartile range 12-24) in 2013. Number of lymph nodes examined was a significant predictor of N1 disease (P < .0001), with a plateau at 30 nodes. N1 disease increased from 64.4% to 68.0% (P < .0001). Survival for both N1 and N0 subgroups improved. In successive multivariate models, N0 versus N1 status was consistently protective for overall survival (P < .0001), but there was no change in the magnitude of its hazard ratio over time (overall hazard ratio 0.691; 95% confidence interval 0.660 0.723). CONCLUSION: Contemporary patients have an adequate number of nodes examined during standard pancreaticoduodenectomy. This, along with rising rates of N1 cancer detection and improved survival for both node-positive and node negative patients, suggest more accurate classification of lymph node status. However, no increased benefit is achieved beyond 30 nodes. Overall, lymph node status remains a strong prognosticator for overall survival. PMID- 27865604 TI - Shorter lives in stingier states: Social policy shortcomings help explain the US mortality disadvantage. AB - The United States has a mortality disadvantage relative to its political and economic peer group of other rich democracies. Recently it has been suggested that there could be a role for social policy in explaining this disadvantage. In this paper, we test this "social policy hypothesis" by presenting a time-series cross-section analysis from 1970 to 2010 of the association between welfare state generosity (for unemployment insurance, sickness benefits, and pensions) and life expectancy, for the US and 17 other high-income countries. Fixed-effects estimation with autocorrelation-corrected standard errors (robust to unmeasured between-country differences and serial autocorrelation of repeated measures) found strong associations between welfare generosity and life expectancy. A unit increase in overall welfare generosity yields a 0.17 year increase in life expectancy at birth (p < 0.001), and a 0.07 year increase in life expectancy at age 65 (p < 0.001). The strongest effects of the welfare state are in the domain of pension benefits (b = 0.439 for life expectancy at birth, p < 0.001; b = 0.199 for life expectancy at age 65, p < 0.001). Models that lag the measures of social policy by ten years produce similar results, suggesting that the results are not driven by endogeneity bias. There is evidence that the US mortality disadvantage is, in part, a welfare-state disadvantage. We estimate that life expectancy in the US would be approximately 3.77 years longer, if it had just the average social policy generosity of the other 17 OECD nations. PMID- 27865605 TI - Population pharmacokinetic model of lithium and drug compliance assessment. AB - Population pharmacokinetic analysis of lithium during therapeutic drug monitoring and drug compliance assessment was performed in 54 patients and 246 plasma concentrations levels were included in this study. Patients received several treatment cycles (1-9) and one plasma concentration measurement for each patient was obtained always before starting next cycle (pre-dose) at steady state. Data were analysed using the population approach with NONMEM version 7.2. Lithium measurements were described using a two-compartment model (CL/F=0.41Lh-1, V1/F=15.3L, Q/F=0.61Lh-1, and V2/F = 15.8L) and the most significant covariate on lithium CL was found to be creatinine clearance (reference model). Lithium compliance was analysed using inter-occasion variability or Markovian features (previous lithium measurement as ordered categorical covariate) on bioavailability parameter. Markov-type model predicted the lithium compliance in the next cycle with higher success rate (79.8%) compared to IOV model (65.2%) and reference model (43.2%). This model becomes an efficient tool, not only being able to adequately describe the observed outcome, but also to predict the individual drug compliance in the next cycle. Therefore, Bipolar disorder patients can be classified regarding their probability to become extensive or poor compliers in the next cycle and then, individual probabilities lower than 0.5 highlight the need of intensive monitoring, as well as other pharmaceutical care measurements that might be applied to enhance drug compliance for a better and safer lithium treatment. PMID- 27865606 TI - Arsenic contamination in agricultural soils of Bengal deltaic region of West Bengal and its higher assimilation in monsoon rice. AB - In the Bengal deltaic region, the shallow groundwater laced with arsenic is used for irrigation frequently and has elevated the soil arsenic in agricultural soil. However, the areas with seasonal flooding reduce arsenic in top layers of the soils. Study shows arsenic accumulation in the deeper soil layers with time in the contaminated agricultural soil (19.40+/-0.38mg/kg in 0-5cm, 27.17+/-0.44mg/kg in 5-10cm and 41.24+/-0.48mg/kg in 10-15cm) in 2013 whereas depletion in 2014 and its buildup in different parts of monsoon rice plant in Nadia, India. Principal Component Analysis and Cluster Analysis were performed, and Enrichment Factor was calculated to identify the sources of arsenic in the soil. Potential Ecological Risk was also calculated to estimate the extent of risk posed by arsenic in soil, along with the potential risk of dietary arsenic exposure. Remarkably, the concentration of arsenic detected in the rice grain showed average value of 1.4mg/kg in 2013 which has increased to 1.6 in 2014, both being above the permissible limit (1mg/kg). These results indicate that monsoon flooding enhances the infiltration of arsenic in the deeper soil layer, which lead to further contamination of shallow groundwater. PMID- 27865608 TI - Benefit in long-term response and mortality of treatment with intravenous immunoglobulin prior to plasmapheresis in peripheral polyneuropathies. AB - OBJECTIVES: The benefits of plasmapheresis (PA) for neurologic autoimmune diseases have been widely demonstrated. Little is known about the long-term neurologic prognosis and course after PA and immunosuppressive (IS) and/or intravenous immunoglobulin (IVIG) treatment. We aimed to analyse features associated with short-term response and long-term outcome and prognosis (neurologic status and mortality) of peripheral polyneuropathy (PP) and central nervous system acute inflammatory disease (CNSAID) treated with PA. PATIENTS AND METHODS: A descriptive, retrospective single-centre study from January 2005 to December 2012. RESULTS: There were 26 episodes, which included 16 CNSAID and 10 PP cases. First line therapy included PA (n=4), IS drugs (n=15), and IVIG (n=7). Responses were achieved in 80% and 50% of PP and CNSAID cases, respectively. For PP, first line treatment with IVIG and no IS treatment prior to or during PA were variables associated with short-term response (P=0.067), good or stable neurologic status at the end of follow-up (P=0.008), and lower mortality rate (P=0.008). For CNSAID, initial EDSS score>=7 (P=0.019) was related to long-term good or stable neurologic status. During the study period, 177 sessions were conducted; 3.4% had technical complications and 8.5% clinical complications. However, these incidents were all minor and no PA session had to be discontinued. CONCLUSION: The response rates achieved in our patients were similar to those of other research. PA has a safe profile but double-blind, controlled studies are needed to evaluate the synergy of sequential treatment with IGIV followed by PA and the possible benefit for long-term outcome. PMID- 27865609 TI - Recent Advances in Lipid-Based Vesicles and Particulate Carriers for Topical and Transdermal Application. AB - In the recent decade, skin delivery (topical and transdermal) has gained an unprecedented popularity, especially due to increased incidences of chronic skin diseases, demand for targeted and patient compliant delivery, and interest in life cycle management strategies among pharmaceutical companies. Literature review of recent publications indicates that among various skin delivery systems, lipid-based delivery systems (vesicular carriers and lipid particulate systems) have been the most successful. Vesicular carriers consist of liposomes, ultradeformable liposomes, and ethosomes, while lipid particulate systems consist of lipospheres, solid lipid nanoparticles, and nanostructured lipid carriers. These systems can increase the skin drug transport by improving drug solubilization in the formulation, drug partitioning into the skin, and fluidizing skin lipids. Considering that lipid-based delivery systems are regarded as safe and efficient, they are proving to be an attractive delivery strategy for the pharmaceutical as well as cosmeceutical drug substances. However, development of these delivery systems requires comprehensive understanding of physicochemical characteristics of drug and delivery carriers, formulation and process variables, mechanism of skin delivery, recent technological advancements, specific limitations, and regulatory considerations. Therefore, this review article encompasses recent research advances addressing the aforementioned issues. PMID- 27865610 TI - Assessment of Bioequivalence of Weak Base Formulations Under Various Dosing Conditions Using Physiologically Based Pharmacokinetic Simulations in Virtual Populations. Case Examples: Ketoconazole and Posaconazole. AB - Postabsorptive factors which can affect systemic drug exposure are assumed to be dependent on the active pharmaceutical ingredient (API), and thus independent of formulation. In contrast, preabsorptive factors, for example, hypochlorhydria, might affect systemic exposure in both an API and a formulation-dependent way. The aim of this study was to evaluate whether the oral absorption of 2 poorly soluble, weakly basic APIs, ketoconazole (KETO) and posaconazole (POSA), would be equally sensitive to changes in dissolution rate under the following dosing conditions-coadministration with water, with food, with carbonated drinks, and in drug-induced hypochlorhydria. The systems-components of validated absorption and PBPK models for KETO and POSA were modified to simulate the above-mentioned clinical scenarios. Virtual bioequivalence studies were then carried out to investigate whether formulation effects on the plasma profile vary with the dosing conditions. The slow precipitation of KETO upon reaching the upper part of the small intestine renders its absorption more sensitive to the completeness of gastric dissolution and thus to the gastric environment than POSA, which is subject to extensive precipitation in response to a pH shift. The virtual bioequivalence studies showed that hypothetical test and reference formulations containing KETO would be bioequivalent only if the microenvironment in the stomach enables complete gastric dissolution. We conclude that physiologically based pharmacokinetic modeling and simulation has excellent potential to address issues close to bedside such as optimizing dosing conditions. By studying virtual populations adapted to various clinical situations, clinical strategies to reduce therapeutic failures can be identified. PMID- 27865607 TI - DNA modifications in models of alcohol use disorders. AB - Chronic alcohol use and abuse result in widespread changes to gene expression, some of which contribute to the development of alcohol-use disorders (AUD). Gene expression is controlled, in part, by a group of regulatory systems often referred to as epigenetic factors, which includes, among other mechanisms, chemical marks made on the histone proteins around which genomic DNA is wound to form chromatin, and on nucleotides of the DNA itself. In particular, alcohol has been shown to perturb the epigenetic machinery, leading to changes in gene expression and cellular functions characteristic of AUD and, ultimately, to altered behavior. DNA modifications in particular are seeing increasing research in the context of alcohol use and abuse. To date, studies of DNA modifications in AUD have primarily looked at global methylation profiles in human brain and blood, gene-specific methylation profiles in animal models, methylation changes associated with prenatal ethanol exposure, and the potential therapeutic abilities of DNA methyltransferase inhibitors. Future studies may be aimed at identifying changes to more recently discovered DNA modifications, utilizing new methods to discriminate methylation profiles between cell types, thus clarifying how alcohol influences the methylomes of cell-type populations and how this may affect downstream processes. These studies and more in-depth probing of DNA methylation will be key to determining whether DNA-level epigenetic regulation plays a causative role in AUD and can thus be targeted for treatment of the disorder. PMID- 27865612 TI - Changes in intestinal immunity, gut microbiota, and expression of energy metabolism-related genes explain adenoma growth in bilberry and cloudberry-fed ApcMin mice. AB - We showed previously that ellagitannin-rich cloudberries and anthocyanin-rich bilberries reduce the number of intestinal adenomas in multiple intestinal neoplasia/+ (ApcMin) mice. We also found that cloudberries decreased the size of adenomas, whereas bilberries increased it. Here we hypothesized that the difference in adenoma growth could be explained by dissimilar effects of the berries on intestinal immune responses and gut microbiota, potentially driven by the distinct polyphenol compositions of the 2 berries. Our objectives were to investigate lymphocyte subtypes and the predominant cecal bacterial diversity in mice fed with bilberries and cloudberries, and to analyze global gene expression profiles in the intestinal mucosa. Immunostainings of CD3+ T lymphocytes, FoxP3+ regulatory T lymphocytes, and CD45R+ B lymphocytes revealed a smaller ratio of intraepithelial to all mucosal CD3+ T lymphocytes in the cloudberry-fed mice compared with controls, suggesting an attenuation of inflammation. Bilberry feeding induced no changes in the density of any of the lymphocyte subtypes. The predominant bacterial diversity in cecal contents, analyzed using polymerase chain reaction-denaturating gradient gel electrophoresis, was higher in the bilberry group than in the control or cloudberry groups. The microbial profiles of cloudberry-fed mice clustered together and were associated with small adenoma size. Pathway analyses of gene expression data showed that cloudberry down regulated and bilberry up-regulated the expression of energy metabolism-related genes in the intestinal mucosa. In conclusion, attenuation of intestinal inflammation, changes in microbial profiles, and down-regulation of mucosal energy metabolism may account for the smaller adenoma size in cloudberry-fed mice in comparison to bilberry-fed mice. PMID- 27865611 TI - Treatment of osteonecrosis of the femoral head with free vascularized fibular grafting: Results of 7.6-year follow-up. AB - OBJECTIVES: The aim of this study was to determine long term follow up of the patients who had femoral head osteonecrosis and had been treated with free vascularized fibular grafting. PATIENTS AND METHODS: We retrospectively reviewed 28 hips of 21 patients who had undergone free vascularized fibular grafting for the treatment of osteonecrosis of femoral head. There were 16 male and 5 female patients. The mean age of the patients at the time of surgery was 30.7 years (between 15 and 53 years). The mean follow-up time was 7.6 years (between 5 years and 9.2 years). RESULTS: During follow-up, one patient died because of leukemia, and one patient was lost. The remaining 26 hips of 19 patients were evaluated. According to the Ficat classification, at the time of surgery, 17 hips were in grade 2 and 9 hips were in grade 3. The post-operative Harris hip scores in grade II disease were excellent in 12 patients, good in 3 patients, and fair in 1 patient. In grade III disease, 1 patient was excellent, 5 patients were good, and 1 patient was fair. There was a significant increase in HHS scores (61 +/- 9.7 vs 84 +/- 17.8, p < 0.001). CONCLUSION: Free vascularized fibular grafting yields extremely good results, particularly in pre-collapse stages of disease in young patients. The operation time does not mark increased if the surgical team is "familiar" with the procedure, and the residual fibular defect of the donor site does not impair the functions of daily living. LEVEL OF EVIDENCE: Level IV, Therapeutic study. PMID- 27865614 TI - Plasma eicosapentaenoic acid is negatively associated with all-cause mortality among men and women in a population-based prospective study. AB - Omega-3 polyunsaturated fatty acids (PUFAs) have anti-inflammatory properties, whereas omega-6 PUFAs appear to have proinflammatory properties. We aimed to assess plasma omega-3 and omega-6 PUFA status in relation to all-cause mortality in an Australian community-based study. We hypothesized that omega-3 PUFA would be inversely associated, and omega-6 PUFA positively associated with all-cause mortality. Plasma phospholipid omega-3 (eicosapentaenoic acid [EPA], docosapentaenoic acid [DPA], docosahexaenoic acid, alpha-linolenic acid, and total) and omega-6 PUFAs (linoleic acid, arachidonic acid, and total) were measured among 1008 adults (44% men) in 1996. Plasma PUFA composition was quantified using gas chromatography. During 17-year follow-up, 98 men and 81 women died. After adjustment for potential confounding factors, plasma EPA was inversely associated with all-cause mortality overall (adjusted hazard ratio [HR] per 1-SD increase, 0.81; 95% confidence interval [CI], 0.68-0.95), in men (HR, 0.78; 95% CI, 0.62-0.98), and in women (HR, 0.78; 95% CI, 0.65-0.94), separately. Inverse associations with mortality among men were also seen for DPA (HR, 0.76; 95% CI, 0.60-0.97) and alpha-linolenic acid (HR, 0.73; 95% CI, 0.57-0.94). No omega-6 PUFAs were significantly associated with mortality. Our findings of reduced all-cause mortality in men and women who have high EPA in plasma, and in men with high plasma DPA and alpha-linolenic acid, partially support our hypothesis that omega-3 PUFAs help reduce mortality but provide no evidence that omega-6 PUFAs may increase mortality. PMID- 27865613 TI - Hyperglycemia, oxidative stress, liver damage and dysfunction in alloxan-induced diabetic rat are prevented by Spirulina supplementation. AB - Medicinal plants have long been used against life-threatening diseases including diabetes, with more or less success. Some of these plants have been shown to possess antioxidant activities, which could help improving diabetes inconveniences. In that context, we investigated the effects of spirulina supplementation on alloxan-induced diabetic rats, hypothesizing that co administration of spirulina with rat diet could ameliorate diabetes complications and provide as benefits as the common antidiabetic insulin. Following alloxan treatment, male Wistar rats were fed daily with 5% spirulina-enriched diet or treated with insulin (0.5 IU/rat) for 21 days. Both spirulina and insulin treatments of diabetic rats resulted in a significant reduction in fasting blood glucose and an increase of glycogen level. Spirulina supplementation also impeded loss of body weight and ameliorated hepatic toxicity indices, i.e. alkaline phosphatases and transaminases activities, bilirubin levels and lipid peroxidation. Besides, triglycerides, total cholesterol, and low-density lipoprotein cholesterol levels decreased in the serum. Moreover, diabetic rats fed with spirulina exhibited sig changes in antioxidant enzyme activities in the liver (ie, decrease in superoxide dismutase and increase in catalase and glutathione peroxidase activities). The beneficial effects of spirulina or insulin were confirmed by histological study of the liver of diabetic rats. Overall, this study indicates that treatment with spirulina decreased hyperglycemia and oxidative stress in diabetic rats, this amelioration being even more pronounced than that provided by insulin injection. Therefore, administration of this alga would be very helpful in the prevention of diabetic complications. PMID- 27865616 TI - Phenylpropanoids from cinnamon bark reduced beta-amyloid production by the inhibition of beta-secretase in Chinese hamster ovarian cells stably expressing amyloid precursor protein. AB - beta-Amyloid (Abeta) is a substance of Alzheimer disease (AD), which is generated via the amyloidogenic pathway from amyloid precursor protein (APP) by beta secretase and gamma-secretase. Inhibition of Abeta production is a potential therapeutic approach to AD. Thus, we tested the hypothesis that cinnamon bark (Cinnamomi Cortex Spissus), the dried bark of Cinnamomum cassia Blume (Lauraceae), and its constituents are beneficial to AD. The methanol extract of cinnamon bark efficiently reduced Abeta40 production in Chinese hamster ovarian (CHO) cells stably expressing APP as determined by enzyme-linked immunosorbent assay. Bioassay-guided isolation of cinnamon bark extract was carried out using open column chromatography and high-performance liquid chromatography, and the following 6 phenylpropanoids were isolated: syringaresinol (1); medioresinol (2); coumarin (3); 2-hydroxycinnamaldehyde (4); cryptamygin A (5); and 3',5,7 trimethoxy epicatechin (6). Among these, 4 MUg/mL medioresinol and cryptamygin A reduced Abeta40 production by 50% and 60%, respectively, compared with dimethyl sulfoxide-treated control cells. The IC50 values of medioresinol and cryptamygin A for the inhibition of Abeta40 production were 10.8 and 8.2 MUg/mL, respectively. Furthermore, treatment of APP-CHO cells with either compound decreased the amount of beta-secretase and sAPPbeta (the proteolytic fragment of APP catalyzed by beta-secretase). These results suggest that the antiamyloidogenic activity of cinnamon bark extract was exerted by medioresinol and cryptamygin A via a reduction in the amount of beta-secretase. The extract of cinnamon bark contains potentially valuable antiamyloidogenic agents for the prevention and treatment of AD. PMID- 27865617 TI - Panaxatriol derived from ginseng augments resistance exercised-induced protein synthesis via mTORC1 signaling in rat skeletal muscle. AB - Resistance exercise activates muscle protein synthesis via the mammalian target of rapamycin complex 1 (mTORC1) pathway and subsequent muscle hypertrophy. Upstream components of the mTORC1 pathway are widely known to be involved in Akt and extracellular signal-regulated kinase 1/2 (ERK1/2) signaling. Previous studies have shown that ginseng stimulated Akt and ERK1/2 signaling. Therefore, we hypothesized that panaxatriol (PT) derived from ginseng triggers mTORC1 signaling and muscle protein synthesis by activating both the Akt and ERK1/2 signaling pathways, and that PT additively stimulates muscle protein synthesis when combined with resistance exercise. The study included male Sprague-Dawley rats. The legs of the rats were divided into control, PT-only, exercise-only, and exercise + PT groups. The right legs were subjected to isometric resistance exercise using percutaneous electrical stimulation, whereas the left legs were used as controls. PT (0.2 g/kg) was administered immediately after exercise. The Akt and ERK1/2 phosphorylation levels were significantly higher in the exercise + PT group than in the exercise-only group 0.5 hour after exercise. The phosphorylation of p70S6K was significantly increased at both 0.5 and 3 hours after exercise, and it was higher in the exercise + PT group than in the exercise only group at both 0.5 and 3 hours after exercise. Muscle protein synthesis was significantly increased 3 hours after exercise, and it was higher in the exercise + PT group than in the exercise-only group 3 hours after exercise. Our results suggest that PT derived from ginseng enhances resistance exercise-induced protein synthesis via mTORC1 signaling in rat skeletal muscle. PMID- 27865615 TI - Association between the dietary inflammatory index, waist-to-hip ratio and metabolic syndrome. AB - Inflammation due to poor diet may contribute to the development of metabolic syndrome (MetSyn). The Dietary Inflammatory Index (DII) was created to characterize diet on a scale from anti- to pro-inflammatory. Our hypothesis was that higher (i.e., more pro-inflammatory) DII scores are associated with an increased prevalence of MetSyn compared to those with lower (i.e., more anti inflammatory) DII scores. Data from the Polish-Norwegian (PONS) Study were analyzed using logistic and linear regression procedures in SAS (version 9.4). Comparisons of interest were between the first and fourth DII quartiles; analyses were stratified by sex. Mean waist-to-hip ratio (WHR) and diastolic blood pressure were greater among those in DII quartile 4 compared to 1. No statistically significantly increased MetSyn risks were observed for DII quartile 4 among men or women. Men in DII quartile 4 had elevated odds of fulfilling the waist component of MetSyn (odds ratio=1.65, 95% confidence interval=1.01-2.69). Although this study benefited from the DII and large sample sizes for both men and women, its cross-sectional nature and use of self-reported data may limit interpretation of results. Further work must be done in longitudinal studies to understand whether pro-inflammatory diets are associated with an increased risk of MetSyn, its components or other metabolic-related conditions. Additionally, further examination of the DII in relation to body habitus will be needed to understand the role of pro-inflammatory diets on anthropometrics, as observed in this study. PMID- 27865618 TI - Actinidia arguta supplementation protects aorta and liver in rats with induced hypercholesterolemia. AB - There are no published results focusing on the study of hardy kiwifruit as a supplementation to the atherogenic diet. We hypothesized that hardy kiwifruit (Actinidia arguta (A. arguta)) from Poland possess better pro-healthy action than two Asian varieties (Hayward and Bidan). We tested this hypothesis by measuring the metabolic reactions of rats loaded with 1% cholesterol and supplemented with 5% of hardy kiwifruit (A. arguta), Hayward, or Bidan in their diets. The experiment was performed on 71 male Wistar rats. Cholesterol showed a significant impact on the rise of liver somatic index, while lipid profile improved by decreasing the levels of TC, LDL-C, TC/HDL-C, AI, TG, and increasing HDL-C in the serum of rats (P<.05). Total plasma antioxidant capacity determined by ABTS, FRAP, and DPPH assays was increased. ALP in rat serum was higher in groups receiving cholesterol diets and kiwifruit. A decrease in fibrinogen as well as prolonged prothrombin time and a reduction of the MPO in serum were estimated. The smallest percentage of lesions in the aortic arch was in the ChGeneva, ChWeiki, and ChAnna. Similarly, the smallest fatty liver disease was recorded in the ChGeneva and ChAnna groups. The distribution of lipids in the liver from these groups had a character of "mosaic," in hardy/mini kiwifruit (Jumbo), Hayward, and Bidan was distributed uniformly. The longest villi were in ChWeiki, and significantly lower in ChHayward and ChBidan. The present results support our hypothesis that A. arguta showed better pro-health impacts in rats loaded with cholesterol than Hayward and Bidan kiwifruit, and, for the first time, the positive nutritional effects of supplemented A. arguta for hypercholesterolemia are noted. PMID- 27865619 TI - Inhibition on the growth of human MDA-MB-231 breast cancer cells in vitro and tumor growth in a mouse xenograft model by Se-containing polysaccharides from Pyracantha fortuneana. AB - Breast cancer is the second cause of cancer-related death among Women. Current therapies for breast cancer have adverse side-effects. Selenium (Se)-containing polysaccharides have multiple health benefits to humans. Pyracantha fortuneana (P. fortuneana) contains rich Se polysaccharides. We hypothesized that Se containing polysaccharides from P. fortuneana possess anticancer activity on breast cancer via inhibiting growth and inducing apoptosis. This study aimed to assess the anticancer effect of Se-containing polysaccharides from P. fortuneana and the underlying mechanisms. Se-containing polysaccharides were purified. Their properties and monosaccharide compositions were analyzed. Their effects on cell growth, expression of cycle proteins, apoptosis and apoptosis-related protein, and tumor growth in mouse xenograft model were examined. This extract contained 93.7% (w/w) of carbohydrate, 2.1% (w/w) of uronic acid and 3.7MUg/g of Se, and was considered as Se-conjugated polysaccharides (Se-PFPs). In vitro studies showed that treatment of triple negative breast cancer (TNBC) MDA-MB-231 cells with Se-PFPs (1) inhibited cell growth dose-dependently by arresting cells at G2 phase via inhibiting CDC25C-CyclinB1/CDC2 pathway; (2) caused apoptosis associated with increased p53, Bax, Puma and Noxa, decreased Bcl2, increased Bax/Bcl2 ratio and increased activities of caspases 3/9, suggesting its effect on p53-mediated cytochrome c-caspase pathway. Treatment of nude mice bearing MDA-MB 231-derived xenograft tumors with Se-PFPs significantly reduced tumor growth without altering body weight, confirming its antitumor activity without toxic side effects. Se-PFPs enhanced doxorubicin cytotoxic effects. It is concluded that Se-containing polysaccharides from P. fortuneana potently inhibit the growth and induce apoptosis of TNBC cells and can be potential anticancer agent for TNBC. PMID- 27865621 TI - Menaquinone-4 (vitamin K2) up-regulates expression of human intestinal alkaline phosphatase in Caco-2 cells. AB - Alkaline phosphatase (ALP) hydrolyzes several monophosphate esters into inorganic acid and alcohol. In humans, 4 kinds of ALP isozymes have been identified: tissue nonspecific ALP, intestinal ALP, placental ALP, and germ cell ALP. Intestinal ALP is expressed at a high concentration in the brush border membrane of intestinal epithelial cells and is known to be affected by several kinds of nutrients, such as lipids, but the physiological function of intestinal ALP has remained elusive. Vitamin K is an essential cofactor for the posttranslational carboxylation of glutamate residues into gamma-carboxy glutamate. Menaquinone-4 (MK-4) with 4 isoprene units, vitamin K2, has been shown to induce bone-type ALP activity and osteoblastogenesis in human bone marrow cells. In this study, we investigated the effects of MK-4 on the level of ALP activity and expression of ALP messenger RNA in the human colon carcinoma cell line Caco-2, which is known to differentiate into small intestinal epithelial cells in vitro. After treatment with MK-4, there were significant increases in the ALP activities of Caco-2 cells. Inhibitor and thermal inactivation experiments demonstrated that the increased ALP had properties of intestinal-type ALP. Semiquantitative reverse transcription polymerase chain reaction analysis revealed that expressions of human intestinal ALP and sucrase-isomaltase, which are intestinal differentiation markers, were highly enhanced in Caco-2 cells by MK-4. This is the first report concerning ALP messenger RNA expression induced by vitamin K2 in Caco-2 cells. Further studies on the physiological functions of human intestinal ALP will provide useful data on the novel effects of vitamin K. PMID- 27865620 TI - Consumption of chokeberry (Aronia mitschurinii) products modestly lowered blood pressure and reduced low-grade inflammation in patients with mildly elevated blood pressure. AB - Previous studies suggest that consumption of chokeberries may improve cardiovascular disease risk factor profiles. We hypothesized that chokeberries (Aronia mitschurinii) have beneficial effects on blood pressure, low-grade inflammation, serum lipids, serum glucose, and platelet aggregation in patients with untreated mild hypertension. A total of 38 participants were enrolled into a 16-week single blinded crossover trial. The participants were randomized to use cold-pressed 100% chokeberry juice (300 mL/d) and oven-dried chokeberry powder (3 g/d), or matched placebo products in random order for 8 weeks each with no washout period. The daily portion of chokeberry products was prepared from approximately 336 g of fresh chokeberries. Urinary excretion of various polyphenols and their metabolites increased during the chokeberry period, indicating good compliance. Chokeberries decreased daytime blood pressure and low grade inflammation. The daytime ambulatory diastolic blood pressure decreased ( 1.64 mm Hg, P = .02), and the true awake ambulatory systolic (-2.71 mm Hg, P = .077) and diastolic (-1.62 mm Hg, P = .057) blood pressure tended to decrease. The concentrations of interleukin (IL) 10 and tumor necrosis factor alpha decreased (-1.9 pg/mL [P = .008] and -0.67 pg/mL [P = .007], respectively) and tended to decrease for IL-4 and IL-5 (-4.5 pg/mL [P = .084] and -0.06 pg/mL [P = .059], respectively). No changes in serum lipids, lipoproteins, glucose, and in vitro platelet aggregation were noted with the chokeberry intervention. These findings suggest that inclusion of chokeberry products in the diet of participants with mildly elevated blood pressure has minor beneficial effects on cardiovascular health. PMID- 27865622 TI - Protecting from Envelope Stress: Variations on the Phage-Shock-Protein Theme. AB - During envelope stress, critical inner-membrane functions are preserved by the phage-shock-protein (Psp) system, a stress response that emerged from work with Escherichia coli and other Gram-negative bacteria. Reciprocal regulatory interactions and multiple effector functions are well documented in these organisms. Searches for the Psp system across phyla reveal conservation of only one protein, PspA. However, examination of Firmicutes and Actinobacteria reveals that PspA orthologs associate with non-orthologous regulatory and effector proteins retaining functions similar to those in Gram-negative counterparts. Conservation across phyla emphasizes the long-standing importance of the Psp system in prokaryotes, while inter- and intra-phyla variations within the system indicate adaptation to different cell envelope structures, bacterial lifestyles, and/or bacterial morphogenetic strategies. PMID- 27865623 TI - Key role of an ADP - ribose - dependent transcriptional regulator of NAD metabolism for fitness and virulence of Pseudomonas aeruginosa. AB - NAD is an essential co-factor of redox reactions and metabolic conversions of NAD dependent enzymes. NAD biosynthesis in the opportunistic pathogen Pseudomonas aeruginosa has yet not been experimentally explored. The in silico search for orthologs in the P. aeruginosa PAO1 genome identified the operon pncA - pncB1 nadE (PA4918-PA4920) to encode the nicotinamidase, nicotinate phosporibosyltransferase and Nad synthase of salvage pathway I. The functional role of the preceding genes PA4917 and PA4916 was resolved by the characterization of recombinant protein. PA4917 turned out to encode the nicotinate mononucleotide adenylyltransferase NadD2 and PA4916 was determined to encode the transcriptional repressor NrtR that binds to an intergenic sequence between nadD2 and pncA. Complex formation between the catalytically inactive Nudix protein NrtR and its DNA binding site was suppressed by the antirepressor ADP-ribose. NrtR plasposon mutagenesis abrogated virulence of P. aeruginosa TBCF10839 in a murine acute airway infection model and constrained its metabolite profile. When grown together with other isogenic plasposon mutants, the nrtR knock-out was most compromised in competitive fitness to persist in nutrient-rich medium in vitro or murine airways in vivo. This example demonstrates how tightly metabolism and virulence can be intertwined by key elements of metabolic control. PMID- 27865624 TI - W'ALK' Into the Next Stage. AB - In 2007, the rearrangement of anaplastic lymphoma kinase (ALK) was identified to be associated with the pathogenesis of a subset of patients with non-small-cell lung cancer (NSCLC). Surprisingly, approximately 4 years after the discovery of ALK rearrangement in lung cancer, the first-in-class ALK inhibitor (ALKi), crizotinib, was approved for metastatic ALK-rearranged NSCLC by the US Food and Drug Administration. Subsequently, next-generation ALKis, such as alectinib and ceritinib, have been developed, and some of them have been applied in the clinical setting. Furthermore, various resistance mechanisms against ALKis have been gradually elucidated, and treatment strategies according to such resistance have been proposed. In addition, novel ALKis exhibit good antitumor efficacy for brain metastases. Thus, we now know much about ALK-rearranged NSCLC; however, is it enough? Several concerns, such as the optimal sequence of ALKis, significance of antiangiogenic therapy, immune checkpoint therapy, and cytotoxic chemotherapy in ALK-rearranged NSCLC, should be clearly addressed, which would lead to the establishment of optimal treatment strategies and a more prolonged survival in patients with ALK rearrangement. Thus, we should w'ALK' into the next stage. PMID- 27865625 TI - Second-Line Treatment Selection in Patients With Non-Small-Cell Lung Cancer of Adenocarcinoma Histology: Findings From a European Survey of Treating Physicians. AB - BACKGROUND: Guidelines provide treatment recommendations for advanced non-small cell lung cancer (NSCLC), but physicians must also consider other factors. We surveyed physicians treating NSCLC to determine their therapy goals, drivers of treatment choice, current prescribing behavior, and therapy expectations. MATERIALS AND METHODS: In 2015, an online survey was conducted of 500 pulmonologists/oncologists treating lung adenocarcinoma in Germany, France, Italy, Spain, and the United Kingdom, comprising screening and therapy decision questions. RESULTS: On average, physicians had 14.7 years of experience and treated 79 patients/3 months with stage IIIb/IV NSCLC. In patients with Eastern Cooperative Oncology Group (ECOG) 0-1, "prolonged survival/extending life" was the main therapy goal of physicians for first- (63%) and second-line (40%) patients; improvement in quality of life (QoL) was the main goal of 14% of physicians for second-line patients. For patients with ECOG >=2, the main goal of second-line therapy was improvement in QoL (26%) or tumor-related symptoms (23%). Most (57%) physicians strongly agreed that they preferred a second-line treatment that extends overall survival (OS) while maintaining QoL; their greatest dissatisfaction with available second-line treatment options was the inability to "stop tumor progression over the long term" (66%). Physicians expected new therapies to become available within 12 months that would provide improvements in progression-free survival (83%) or OS (69%). CONCLUSION: OS is important for second-line treatments in patients with stage IIIb/IV NSCLC, although QoL improvements should not be underestimated. This survey highlights the wait faced by patients and physicians as treatments transition from clinical trials to clinical practice. PMID- 27865627 TI - Epidemiology of infections caused by polymyxin-resistant pathogens. AB - Confronting the storm of carbapenemase-producing Gram-negative pathogens and thus facing the threat of untreatable infections, the medical community revived colistin. Not long since its re-introduction and despite the fact that resistance to colistin at least in Escherichia coli is rare, chromosomally-mediated colistin resistance in metallo-beta-lactamase-producing Klebsiella pneumoniae strains was reported in 2004 from Greece. Subsequent studies revealed the highest predominance in Italy (38%) and Greece (26%), with colistin-resistant (Col-R) strains frequently carrying a carbapenemase. On the other hand, the international prevalence of Col-R Acinetobacter baumannii varied, predominantly in Southern Europe and Southeast Asia, with rates exceeding 80% in Italy and Greece. Risk factors have mainly incriminated the selective pressure of excess consumption of colistin both in animals and humans. In November 2015, emergence of plasmid mediated colistin resistance due to the mcr-1 gene was reported from China, mostly in community-derived E. coli strains. As of 1 September 2016, the mcr-1 gene was detected in 35 countries worldwide in livestock/retail meat and in human sources from 29 and 22 countries, respectively. Heavy usage of polymyxins in animals has been incriminated as the reservoir of the mcr-1 gene. Therefore, it is imperative that: (i) polymyxins are banned as growth promoters and for prophylaxis in animals; (ii) targeted surveillance plus molecular epidemiology is performed in hospitals; (iii) carriers or patients infected with isolates harbouring both mcr-1 and carbapenemase genes are strictly isolated; (iv) susceptibilities are based on exact colistin minimum inhibitory concentration (MIC) determination; and (v) rational use of colistin is audited in hospitals. PMID- 27865628 TI - The genesis and presentation of anxiety in disorders of autonomic overexcitation. AB - INTRODUCTION: We investigated the genesis and presentation of previously-reported anxiety in disorders of autonomic overexcitation in relation to interoception, body vigilance and trauma to test our hypothesis that patients with the postural tachycardia syndrome (PoTS), vasovagal syncope (VVS) and essential hyperhidrosis (EH) represent atypical anxiety phenotypes in whom affective symptoms are more related to apprehension and vigilance of physiological (interoceptive) feedback than neurotic or trauma-related factors. METHODS: The Anxiety Sensitivity Index, Body Vigilance Scale, Self-consciousness Scale, Childhood Traumatic Events Scale and heartbeat tracking tasks were completed by 23 healthy controls, 21 PoTS, 20 EH and 20 VVS patients. Interoceptive accuracy (IA) was assessed during supine rest (9min), isometric exercise (3min), cold pressor (90s) and head up tilt (HUT) (9min). RESULTS: In comparison to controls, PoTS, VVS and EH patients reported increased symptoms of somatic anxiety but not of social anxiety/self consciousness or trauma. Autonomic patients' IA was diminished and consistently underestimated even during autonomic arousal compared to controls. Controls and EH IA negatively correlated with somatic anxiety/hypervigilance, whereas PoTS and VVS IA and somatic anxiety/vigilance positively correlated. CONCLUSIONS: Affective symptoms in PoTS, VVS and EH appear to be driven by anxiety and vigilance of physical sensations/symptoms, rather than trauma or neurosis. Increased somatic vigilance/anxiety in PoTS and VVS may be due to interoception being anxiogenic in these cohorts. Diminished interoception may be due to a common central dysregulation, as both sudomotor and cardiovascular forms of autonomic dysfunction had comparable IA deficits. These findings provide a possible therapeutic pathway for psychological symptoms in PoTS, VVS and EH. PMID- 27865626 TI - Synergistic combinations of polymyxins. AB - The proliferation of extensively drug-resistant Gram-negative pathogens has necessitated the therapeutic use of colistin and polymyxin B. However, treatment failures with polymyxin monotherapies and the emergence of polymyxin resistance have catalysed the search for polymyxin combinations that synergistically kill polymyxin-susceptible and -resistant organisms. This mini-review examines recent (2011-2016) in vitro and in vivo studies that have attempted to identify synergistic polymyxin combinations against Pseudomonas aeruginosa, Klebsiella pneumoniae and Acinetobacter baumannii. Clinical evidence for the use of combination regimens is also discussed. PMID- 27865629 TI - Re: Vasectomy and Prostate Cancer Incidence and Mortality in a Large US Cohort. PMID- 27865630 TI - Effects of co-administered dexamethasone and nimesulide on pain, swelling, and trismus following third molar surgery: a randomized, triple-blind, controlled clinical trial. AB - This study aimed to determine the effect of the co-administration of dexamethasone 8mg and nimesulide 100mg given 1h before mandibular third molar surgery. A prospective, randomized, triple-blind, split-mouth clinical trial was developed at the study institution in Pernambuco, Brazil. A pilot study was first performed (95% confidence interval, 80% test power, and 5% error), and a sample of 40 patients aged between 18 and 40 years was selected. The patients were randomized and divided into two groups: dexamethasone+placebo and dexamethasone+nimesulide. The following parameters were evaluated: pain (visual analogue scale), total number of rescue analgesics taken, time taken to first rescue analgesic consumption, oedema, trismus, and patient satisfaction. The paired t-test and the Wilcoxon test were used to compare means. Statistically significant differences were found between the groups in pain values at 2, 4, and 12h postoperative, and in the total number of rescue analgesics and time taken to first rescue analgesic ingestion (P<0.05), with results in favour of dexamethasone+nimesulide administration. Oedema and trismus were similar in the two treatment groups and decreased over time postoperatively. The co administration of dexamethasone and nimesulide reduces pain intensity and the need for rescue medication after third molar surgery. PMID- 27865631 TI - The influence of cortical bone perforation on guided bone regeneration in humans. AB - The purpose of this study was to evaluate the effect of cortical bone perforation on angiogenesis and osteogenesis of the augmented ridge in guided bone regeneration. Eighteen patients who had osseous defects in the mandible were selected. In the test group (n=9), alveolar cortical bone in the area of regeneration was perforated. No decortication was performed in the control group (n=9). Subsequently, defects were augmented by guided bone regeneration using resorbable membrane and bovine bone. After a healing period of 7 months, trephine cores were harvested for histological and histomorphometric analysis of the grafted areas. Histomorphometry demonstrated that the amount of newly formed bone in the test group (27.8%) was greater than that in the control group (25.3%), but the difference was not statistically significant (P=0.13). However, the mean number of microvessels in the test group was significantly higher than that in the control group (P=0.01). This study found that cortical bone perforation favourably affects the amount of new bone formation in the grafted sites after 7 months of healing. Cortical bone perforation significantly increase number of new vessels (angiogenesis) of the regenerated bone. Further randomized clinical trials are required to confirm these results. PMID- 27865632 TI - Detection of Mycobacterium avium subsp. paratuberculosis in bovine milk from the state of Pernambuco, Brazil. AB - The aim of this study was to detect the IS900 region of Mycobacterium avium subsp. paratuberculosis (MAP) in bovine milk samples using real-time polymerase chain reaction (qPCR) and conventional PCR, and to study the agreement between these tests. A total of 121 bovine milk samples were collected from herds considered positive for MAP, from the State of Pernambuco, Brazil. MAP DNA was detected in 20 samples (16.5%) using conventional PCR and in 34 samples (28.1%) using qPCR. MAP DNA was detected in all of the 6 animal farms studied. Moderate agreement was found between qPCR and conventional PCR results, where the sensitivity and specificity of conventional PCR in relation to qPCR were 50% and 96.6%, respectively. Thus, the IS900 region of MAP was found in bovine milk samples from the State of Pernambuco. To the best of our knowledge, this is the first report of MAP DNA found in bovine milk in Northeast Brazil. We also demonstrated the qPCR technique is more sensitive than conventional PCR with respect to detection of MAP in milk samples. PMID- 27865633 TI - Celebration of 60th anniversary of Brazilian Society for Microbiology. PMID- 27865634 TI - Molecular epidemiology and spatiotemporal analysis of hospital-acquired Acinetobacter baumannii infection in a tertiary care hospital in southern Thailand. AB - BACKGROUND: Acinetobacter baumannii is a major hospital-acquired pathogen in Thailand that has a negative effect on patient survival. The nature of its transmission is poorly understood. AIM: To investigate the genotypic and spatiotemporal pattern of A. baumannii infection at a hospital in Thailand. METHODS: The medical records of patients infected with A. baumannii at an 800-bed tertiary care hospital in southern Thailand between January 2010 and December 2011 were reviewed retrospectively. A. baumannii was identified at the genomospecies level. Carbapenemase genes were identified among carbapenem resistant isolates associated with A. baumannii infection. A spatiotemporal analysis was performed by admission ward, time of infection and pulsed-field gel electrophoresis (PFGE) groups of A. baumannii. RESULTS: Nine PFGE groups were identified among the 197 A. baumannii infections. All A. baumannii isolates were assigned to International Clonal Lineage II. blaOXA-23 was the most prevalent carbapenemase gene. Outbreaks were observed mainly in respiratory and intensive care units. The association between PFGE group and hospital unit was significant. Spatiotemporal analysis identified 20 clusters of single PFGE group infections. Approximately half of the clusters involved multiple hospital units simultaneously. CONCLUSIONS: A. baumannii transmitted both within and between hospital wards. Better understanding and control of the transmission of A. baumannii are needed. PMID- 27865635 TI - [How I do... to see the sliding sign by transvaginal ultrasonography?] PMID- 27865636 TI - Transcaval embolization of a type I gutter endoleak after three-vessel chimney endovascular aneurysm repair. AB - Chimney endovascular aneurysm repair provides an endovascular treatment for complex aortic aneurysms. However, type I gutter endoleaks can complicate this approach and prevent full aneurysm exclusion. Treatment of these leaks can be challenging. We report successful embolization of a type I gutter endoleak after (chimney endovascular aneurysm repair) via a transcaval approach. PMID- 27865637 TI - Increased risk of mortality after lower extremity bypass in individuals with acute kidney injury in the Vascular Quality Initiative. AB - OBJECTIVE: The development of acute kidney injury (AKI) and its effect on prognosis after lower extremity bypass (LEB) surgery have not been well described. We determined risk factors associated with AKI in patients undergoing infrainguinal LEB surgery and whether individuals with AKI are at increased risk for cardiovascular events and mortality. METHODS: Data for 12,907 operations entered in the Vascular Quality Initiative (VQI) registry from January 2012 through April 2015 were retrospectively reviewed. Procedures performed on patients not on dialysis before the surgery with perioperative assessments of renal function were eligible for the study. AKI was defined as a postoperative increase in serum creatinine >=0.5 mg/dL or new dialysis requirement. Logistic regression was performed to determine the effect of AKI on the risk of in hospital cardiovascular events, including myocardial infarction, stroke, congestive heart failure, or arrhythmias, and mortality. Cox proportional hazards regression was performed to determine the risk of long-term mortality (median follow-up of 11.5 months). RESULTS: AKI developed after 507 (4%) of the 12,907 operations performed in 11,859 patients. After adjustment for demographic, clinical, and perioperative variables, AKI was associated with an increased risk of in-hospital cardiovascular events (odds ratio, 2.50; 95% confidence interval [CI], 1.91-3.28) and in-hospital mortality (odds ratio, 6.96; 95% CI, 3.94 12.31). Risk of mortality persisted over the course of follow-up (hazard ratio, 1.98; 95% CI, 1.58-2.47). CONCLUSIONS: AKI after LEB is associated with an increased risk of cardiovascular events and all-cause mortality. Further study should evaluate whether preoperative interventions before LEB can be effectively applied for at-risk patients to reduce the incidence of AKI and its associated morbidity and mortality. PMID- 27865638 TI - Incidence and clinical outcomes of the slow-flow phenomenon after infrapopliteal balloon angioplasty. AB - OBJECTIVE: This study investigated the incidence and clinical relevance of the slow-flow phenomenon after infrapopliteal balloon angioplasty. METHODS: This retrospective, single-center study included 161 consecutive patients with critical limb ischemia (173 limbs) who underwent endovascular treatment for infrapopliteal lesions between January 2012 and May 2015. The overall technical success rate was 88%. Of these lesions, 30 limbs presented with slow flow after angioplasty. RESULTS: Total occlusion (90% vs 63%; P < .01) and severe calcification (43% vs 8%; P < .01) were more common in the slow-flow group. Kaplan-Meier curve analysis revealed that freedom from major amputation (60% vs 86%; log-rank, P < .01) and wound healing at 2 years (77% vs 91%; log-rank, P = .03) were significantly less common in the slow-flow group. Univariate Cox proportional hazard analysis identified Rutherford class 6 (hazard ratio [HR], 6.4; 95% confidence interval [CI], 2.8-15.8; P < .01), the slow-flow phenomenon (HR, 3.9; 95% CI, 1.6-8.9; P < .01), and hemodialysis (HR, 3.2; 95% CI, 1.2-11.1; P = .02) as independent predictors of major amputation and Rutherford class 6 (HR, 0.3; 95% CI, 0.2-0.6; P < .01), the slow-flow phenomenon (HR, 0.5; 95% CI, 0.3-0.9; P = .02), and pedal arch (HR, 1.6; 95% CI, 1.0-2.5; P = .04) as predictors of wound healing. CONCLUSIONS: The slow-flow phenomenon after infrapopliteal balloon angioplasty occurred in 18.6% of limbs. This phenomenon may result in poor outcomes. PMID- 27865639 TI - A network meta-analysis of randomized controlled trials comparing treatment modalities for de novo superficial femoral artery occlusive lesions. AB - BACKGROUND: Treatment of superficial femoral artery (SFA) lesions remains challenging. We conducted a network meta-analysis of randomized controlled trials aiming to explore the efficacy of treatment modalities for SFA "de novo" lesions. METHODS: Eleven treatments for SFA occlusive disease were recognized. We used primary patency and binary restenosis at 12-month follow-up as proxies of efficacy for the treatment of SFA lesions. RESULTS: A total of 33 studies (66 study arms; 4659 patients) were deemed eligible. In terms of primary patency, odds ratios (ORs) with 95% confidence intervals (CIs) were statistically significantly higher in drug-eluting stent (DES; OR, 10.05; 95% CI, 3.22-31.39), femoropopliteal bypass surgery (BPS; OR, 7.15; 95% CI, 2.27-22.51), covered stent (CS; OR, 3.56; 95% CI, 1.33-9.53), and nitinol stent (NS; OR, 2.83; 95% CI, 1.42 5.51) compared with balloon angioplasty (BA). The rank order from higher to lower primary patency in the multidimensional scaling was DES, BPS, NS, CS, drug-coated balloon, percutaneous transluminal angioplasty with brachytherapy, stainless steel stent, cryoplasty (CR), and BA. Combination therapy of NS with CR and drug coated balloon were the two most effective treatments, followed by NS, CS, percutaneous transluminal angioplasty with brachytherapy, cutting balloon, stainless steel stent, BA, and CR in terms of multidimensional scaling values for binary restenosis. CONCLUSIONS: DES has shown encouraging results in terms of primary patency for SFA lesions, whereas BPS still maintains its role as a principal intervention. On the contrary, BA and CR appear to be less effective treatment options. PMID- 27865640 TI - Technicians and other pharmacy support workforce cadres working with pharmacists: Singapore case study. PMID- 27865641 TI - Canadian Cardiovascular Society Guidelines on Perioperative Cardiac Risk Assessment and Management for Patients Who Undergo Noncardiac Surgery. AB - The Canadian Cardiovascular Society Guidelines Committee and key Canadian opinion leaders believed there was a need for up to date guidelines that used the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) system of evidence assessment for patients who undergo noncardiac surgery. Strong recommendations included: 1) measuring brain natriuretic peptide (BNP) or N terminal fragment of proBNP (NT-proBNP) before surgery to enhance perioperative cardiac risk estimation in patients who are 65 years of age or older, are 45-64 years of age with significant cardiovascular disease, or have a Revised Cardiac Risk Index score >= 1; 2) against performing preoperative resting echocardiography, coronary computed tomography angiography, exercise or cardiopulmonary exercise testing, or pharmacological stress echocardiography or radionuclide imaging to enhance perioperative cardiac risk estimation; 3) against the initiation or continuation of acetylsalicylic acid for the prevention of perioperative cardiac events, except in patients with a recent coronary artery stent or who will undergo carotid endarterectomy; 4) against alpha2 agonist or beta-blocker initiation within 24 hours before surgery; 5) withholding angiotensin-converting enzyme inhibitor and angiotensin II receptor blocker starting 24 hours before surgery; 6) facilitating smoking cessation before surgery; 7) measuring daily troponin for 48 to 72 hours after surgery in patients with an elevated NT-proBNP/BNP measurement before surgery or if there is no NT proBNP/BNP measurement before surgery, in those who have a Revised Cardiac Risk Index score >=1, age 45-64 years with significant cardiovascular disease, or age 65 years or older; and 8) initiating of long-term acetylsalicylic acid and statin therapy in patients who suffer myocardial injury/infarction after surgery. PMID- 27865642 TI - Attention to Physical Activity-Equivalent Calorie Information on Nutrition Facts Labels: An Eye-Tracking Investigation. AB - OBJECTIVE: Investigate attention to Nutrition Facts Labels (NFLs) with numeric only vs both numeric and activity-equivalent calorie information, and attitudes toward activity-equivalent calories. DESIGN: An eye-tracking camera monitored participants' viewing of NFLs for 64 packaged foods with either standard NFLs or modified NFLs. Participants self-reported demographic information and diet related attitudes and behaviors. SETTING: Participants came to the Behavioral Medicine Lab at Colorado State University in spring, 2015. PARTICIPANTS: The researchers randomized 234 participants to view NFLs with numeric calorie information only (n = 108) or numeric and activity-equivalent calorie information (n = 126). MAIN OUTCOME MEASURE(S): Attention to and attitudes about activity equivalent calorie information. ANALYSIS: Differences by experimental condition and weight loss intention (overall and within experimental condition) were assessed using t tests and Pearson's chi-square tests of independence. RESULTS: Overall, participants viewed numeric calorie information on 20% of NFLs for 249 ms. Participants in the modified NFL condition viewed activity-equivalent information on 17% of NFLs for 231 ms. Most participants indicated that activity equivalent calorie information would help them decide whether to eat a food (69%) and that they preferred both numeric and activity-equivalent calorie information on NFLs (70%). CONCLUSIONS AND IMPLICATIONS: Participants used activity equivalent calorie information on NFLs and found this information helpful for making food decisions. PMID- 27865643 TI - Identification and characterization of an enzyme involved in the biosynthesis of the 4-hydroxy-2(or 5)-ethyl-5(or 2)-methyl-3(2H)-furanone in yeast. AB - 4-Hydroxy-2(or 5)-ethyl-5(or 2)-methyl-3(2H)-furanone (HEMF) is considered a key flavor compound in soy sauce. The compound has a caramel-like aroma and several important physiological activities, such as strong antioxidant activity. Here, we report the identification and characterization of an enzyme involved in the biosynthesis of HEMF in yeast. We fractionated yeast cell-free extract from Saccharomyces cerevisiae using column chromatography and partially purified a fraction with HEMF-forming activity. Peptide mass fingerprinting analysis showed that the partially purified fraction contains aldehyde reductase encoded by YNL134C. This reductase shares low sequence identity with enone oxidoreductase, which is responsible for the formation of 4-hydroxy-2,5-dimethyl-3(2H)-furanone (HDMF) and HEMF in plants. YNL134C was expressed heterologously in Escherichia coli, and the purified protein catalyzed the formation of HEMF from the mixture of Maillard reaction products, acetaldehydes, and NADPH. Multicopy expression in S. cerevisiae resulted in increased HEMF productivity, and gene knockout of YNL134C in S. cerevisiae resulted in decreased HEMF productivity. These data suggest that the translation product of YNL134C is the HEMF-producing enzyme in yeast. Detailed analyses of an intermediate in the enzymatic reaction mixture revealed that HEMF is synthesized from (2E)-2-ethylidene-4-hydroxy-5-methyl-3(2H) furanone, which formed via Knoevenagel condensation between the acetaldehyde and 4-hydroxy-5-methyl-3(2H)-furanone derived from the Maillard reaction based on ribose and glycine, by YNL134Cp in an NADPH dependent manner. Overall, this study shed light on the molecular basis for the improvement of soy sauce flavor and the biotechnological production of HEMF. PMID- 27865646 TI - Long-term oxygen in COPD. PMID- 27865644 TI - Bioactivity of topologically confined gramicidin A dimers. AB - The d-/l-peptide gramicidin A (gA) is well known as a pivotal ion channel model and shows a broad spectrum of bioactivities such as antibiosis, antimalarial activity, as well as hemolysis. We applied inter-chain disulfide bonds to constrain the conformational freedom of gA into parallel and antiparallel dimeric topologies. Albeit the constructs were not found to be monoconformational, CD- and IR-spectroscopic studies suggested that this strategy indeed restricted the conformational space of the d-/l-peptide construct, and that beta-helical secondary structures prevail. Correlative testing of gA dimers in antimicrobial, antimalarial, and ion conduction assays suggested that the tail-to-tail antiparallel single stranded beta6.3 helix dominantly mediates the bioactivity of gA. Other conformers are unlikely to contribute to these activities. From these investigations, only weakly ion conducting gA dimers were identified that retained nM antimalarial activity. PMID- 27865647 TI - UK Government chokes on air pollution crisis. PMID- 27865645 TI - Discovery of SMP-304, a novel benzylpiperidine derivative with serotonin transporter inhibitory activity and 5-HT1A weak partial agonistic activity showing the antidepressant-like effect. AB - We report the discovery of a novel benzylpiperidine derivative with serotonin transporter (SERT) inhibitory activity and 5-HT1A receptor weak partial agonistic activity showing the antidepressant-like effect. The 3-methoxyphenyl group and the phenethyl group of compound 1, which has weak SERT binding activity, but potent 5-HT1A binding activity, were optimized, leading to compound 35 with potent and balanced dual SERT and 5-HT1A binding activity, but also potent CYP2D6 inhibitory activity. Replacement of the methoxy group in the left part of compound 35 with a larger alkoxy group, such as ethoxy, isopropoxy or methoxy ethoxy group ameliorated CYP2D6 inhibition, giving SMP-304 as a candidate. SMP 304 with serotonin uptake inhibitory activity and 5-HT1A weak partial agonistic activity, which could work as a 5-HT1A antagonist, displayed faster onset of antidepressant-like effect than a representative SSRI paroxetine in an animal model. PMID- 27865649 TI - Extracellular vesicles in transfusion-related immunomodulation and the role of blood component manufacturing. AB - There is an emerging interest in the risks posed by the ability of blood transfusion to modulate the immune system of recipients. Observational trials suggest that RBC transfusions may be associated with increased morbidity and mortality, however studies demonstrating the deleterious consequences of transfusion-related immunomodulation have had conflicting results. Efforts to understand the biological mechanisms responsible for TRIM are under way, and are focusing on the role that the extracellular vesicles (EVs) that accumulate in a red cell concentrate (RCC) during storage may play. EVs are heterogeneous submicron-sized vesicles that vary in size, composition and surface biomarkers. The biophysical and biochemical parameters of EVs reflect their mechanism of formation and cell sources. RCCs have been shown to contain a mixed population of EVs and not all EVs in RCC are solely from the constituent RBCs. The concentration of the different EVs (the RBC EVs and the non-RBC EVs), their composition, as well as their effects on the quality of the blood product vary depending on the manufacturing methods used to produce the RCC units. This article will review current evidence of the role of extracellular vesicles in transfusion-related immunomodulation and will discuss the impact that different methods used to collect, manufacture and store blood have on the composition and characteristics of EVs in RCCs. PMID- 27865648 TI - Related factors with extravasation of non-cytostatic agents in peripheral vein catheters. AB - OBJECTIVE: To know the independent variables related to the occurrence of extravasation in patients with peripheral vein catheters (PVC). MATERIAL AND METHOD: Retrospective study carried out in 6 longitudinal cuts between July 2013 an January 2014. A total of 1,442 PVC were reviewed, of which 730 met the inclusion criteria, and were divided into 2 groups: extravasation and not extravasation, with 365 cases each. The variables of age, gender, admission unit, catheter gauge, insertion site, previous insertion into the same limb, hospital unit where the insertion took place, communication difficulties, personal health history and analyzed parenterally drug administered were considered. RESULTS: Risk factors to develop extravasation were: female gender, with previous insertion in the same limb, <72h PVC of insertion, communication difficulties, personal health history of neoplasia and KCl, gentamicin or beta lactam treatment. CONCLUSIONS: Our study allows to know the variables that are related to the emergence of extravasations in patients with non-cancer treatments (gender, medical service of admission, catheter gauge, elapsed time since the insertion, patient communication difficulties, personal health history, and intravenous treatments), as well as the factors that may be considered protective. PMID- 27865650 TI - Economic assessment of integrated cancer and cardiovascular registries: The Barbados experience. AB - BACKGROUND: This report describes the resources required to support the integrated approach of the Barbados National Registry for Chronic Non communicable Diseases (BNR) to non-communicable disease (NCD) case registration, and to identify differences in cost for collecting and maintaining information on cancer and cardiovascular disease (CVD) case registration. METHODS: We used the modified Centers for Disease Control and Prevention's International Registry Costing Tool to collect data from the CVD and cancer registries. We used cancer and CVD cost data for the annual period April 2014 through March 2015 to estimate the total cost and cost per case. We used prospectively collected average annual CVD cases, and for cancer cases we assumed 2 or 3 years are needed for retrospective data collection. RESULTS: The Ministry of Health provided 56% of the resources for the registries. Labor accounted for over 70% of both registries' budgets, while management and administration, along with data collection and analysis, incurred the highest costs per case. Total variable cost activities related to data collection and analysis were higher for the CVD component (US$131,297) than the cancer component (US$58,917). The CVD cost per case (US$489) was in between the cancer 2-year (US$382) and the cancer 3-year (US$573) cost-per-case estimates. CONCLUSION: These findings indicate that there are substantial fixed costs related to management and administration of NCD registries. All registries need management and administration support. When registries are combined, management and administration costs can be shared. We project that registries that can share fixed-cost infrastructure are likely to incur a lower total cost per case. PMID- 27865651 TI - Beyond Supermarkets: Food Outlet Location Selection in Four U.S. Cities Over Time. AB - INTRODUCTION: Understanding what influences where food outlets locate is important for mitigating disparities in access to healthy food outlets. However, few studies have examined how neighborhood characteristics influence the neighborhood food environment over time, and whether these relationships differ by neighborhood-level income. METHODS: Neighborhood-level data from four U.S. cities (Birmingham, AL; Chicago, IL; Minneapolis, MN; Oakland, CA) from 1986, 1993, 1996, 2001, 2006, and 2011 were used with two-step econometric models to estimate longitudinal associations between neighborhood-level characteristics (z scores) and the log-transformed count/km2 (density) of food outlets within real estate-derived neighborhoods. Associations were examined with lagged neighborhood level sociodemographics and lagged density of food outlets, with interaction terms for neighborhood-level income. Data were analyzed in 2016. RESULTS: Neighborhood-level income at earlier years was negatively associated with the current density of convenience stores (beta= -0.27, 95% CI= -0.16, -0.38, p<0.001). The percentage of neighborhood white population was negatively associated with fast food restaurant density in low-income neighborhoods (10th percentile of income: beta= -0.17, 95% CI= -0.34, -0.002, p=0.05), and the density of smaller grocery stores across all income levels (beta= -0.27, 95% CI= 0.45, -0.09, p=0.003). There was a lack of policy-relevant associations between the pre-existing food environment and the current density of food outlet types, including supermarkets. CONCLUSIONS: Socioeconomically disadvantaged and minority populations may attract "unhealthy" food outlets over time. To support equal access to healthy food outlets, the availability of "less healthy" food outlets types may be relatively more important than the potential lack of supermarkets or full-service restaurants. PMID- 27865652 TI - Development and Evaluation of a Short Adverse Childhood Experiences Measure. AB - INTRODUCTION: Clinicians require tools to rapidly identify individuals with significant childhood adversity as part of routine primary care. The goal of this study was to shorten the 11-item Behavioral Risk Factor Surveillance System Adverse Childhood Experiences (ACEs) measure and evaluate the feasibility and validity of this shortened measure as a screener to identify adults who have experienced significant childhood adversity. METHODS: Statistical analysis was conducted in 2015. ACE item responses obtained from 2011-2012 Behavioral Risk Factor Surveillance System data were combined to form a sample of 71,413 adults aged >=18 years. The 11-item Behavioral Risk Factor Surveillance System ACE measure was subsequently reduced to a two-item screener by maintaining the two dimensions of abuse and household stressors and selecting the most prevalent item within each dimension. RESULTS: The screener included household alcohol and childhood emotional abuse items. Overall, 42% of respondents and at least 75% of the individuals with four or more ACEs endorsed one or both of these experiences. Using the 11-item ACE measure as the standard, a cut off of one or more ACEs yielded a sensitivity of 99%, but specificity was low (66%). Specificity improved to 94% when using a cut off of two ACEs, but sensitivity diminished (70%). There was no substantive difference between the 11-and two-item ACE measures in their strength of association with an array of health outcomes. CONCLUSIONS: A two-item ACE screener appropriate for rapid identification of adults who have experienced significant childhood adversity was developed. PMID- 27865654 TI - Surgery for recurrent ovarian cancer: Options and limits. AB - Cytoreductive surgery is the backbone of the multimodal therapy in primary ovarian cancer patients. Despite the effect of various tumor biological factors such as grading and histological subtype, the surgical outcome is the most important prognostic factor for both progression free- and overall survival. In contrast, the management of recurrent situation has long remained a subject of an emotional international discussion. To date, only few prospective studies have focused on the effect of surgery in relapsed ovarian cancer. The available retrospective data associate complete cytoreduction with prognosis improvement. However, the selection of patients eligible for surgery in recurrent situation is the essential issue. The establishment of predictive factors for complete tumor resection and defining the patient group with recurrent disease who might profit from this approach are crucial. The available predictors of complete resection depend on the results of primary surgery and the current patient's situation. Women who underwent primary complete cytoreduction are in good performance status, and those who have only minimal ascites volume (less than 500 ml) in the recurrent situation have 76% likelihood of undergoing complete resection and survival prolongation. Moreover, the complete cytoreduction in the tertiary cytoreductive approach has been evaluated and showed a potential positive influence on patients' survival. This review concentrates on the recent data and highlights the need of further randomized trials to develop and incorporate operative standards in recurrent ovarian cancer. PMID- 27865653 TI - Evaluation of School-Based Dental Sealant Programs: An Updated Community Guide Systematic Economic Review. AB - CONTEXT: A recently updated Community Guide systematic review of the effectiveness of school sealant programs (SSPs) still found strong evidence that SSPs reduced dental caries among schoolchildren. This follow-up systematic review updates SSP cost and benefit information from the original 2002 review. EVIDENCE ACQUISITION: Using Community Guide economic review methods, the authors searched the literature from January 2000 to November 20, 2014. The final body of evidence included 14 studies-ten from the current search and four with cost information from the 2002 review. Nine studies had information on SSP costs; six on sealant benefit (averted treatment costs and productivity losses); four on SSP net cost (cost minus benefit); and three on net cost to Medicaid of clinically delivered sealants. The authors imputed productivity losses and discounted costs/outcomes when this information was missing. The analysis, conducted in 2015, reported all values in 2014 U.S. dollars. EVIDENCE SYNTHESIS: The median one-time SSP cost per tooth sealed was $11.64. Labor accounted for two thirds of costs, and time to provide sealants was a major cost driver. The median annual economic benefit was $6.29, suggesting that over 4 years the SSP benefit ($23.37 at a 3% discount rate) would exceed costs by $11.73 per sealed tooth. In addition, two of four economic models and all three analyses of Medicaid claims data found that SSP benefit to society exceeded SSP cost. CONCLUSIONS: Recent evidence indicates the benefits of SSPs exceed their costs when SSPs target schools attended by a large number of high-risk children. PMID- 27865655 TI - Corrigendum to "Ten-year improvement of insulin resistance and growth with recombinant human insulin-like growth factor 1 in a patient with insulin receptor mutations resulting in leprechaunism" [Diabetes Metab. 41 (2015) 331-337]. PMID- 27865657 TI - Cranial adaptations for feeding on snails in species of Sibynomorphus (Dipsadidae: Dipsadinae). AB - Neotropical "goo-eating" dipsadine snakes display a set of morphological and histo-chemical adaptations linked to the capture of their soft-bodied, viscous invertebrate prey. Within this group, species from the genus Sibynomorphus feed chiefly on snails and slugs. Here, we analyzed a series of skull and mandible characters in S. mikanii, S. neuwiedi and S. turgidus using geometric morphometrics, with the aim of assessing morphological adaptations related to slug- and snail-feeding in that genus. We further compared the results with Leptodeira annulata, a species that feeds on vertebrates. To evaluate shape differences of the skull and mandible between species we performed a multivariate analysis of variance and a linear discriminant analysis. Our results show that the narrow, elongate skull in S. mikanii may help with slug ingestion, while asymmetry in teeth number and mandibular shape in S. neuwiedi and S. turgidus are likely related to snail feeding. PMID- 27865656 TI - Nut consumption is associated with lower incidence of type 2 diabetes: The Tehran Lipid and Glucose Study. AB - AIM: Nuts are rich in unsaturated fatty acids as well as other bioactive constituents. The present study investigated the association between nut consumption and the incidence of type 2 diabetes mellitus (T2DM) in a Middle Eastern population. METHODS: The study was conducted within the framework of the Tehran Lipid and Glucose Study (TLGS), in which 1984 participants (920 men and 1064 women) free of DM, aged>=20 years, were followed from phase III (2005-2008) to phase V (2011-2014). Dietary data were obtained from valid and reliable food frequency questionnaires at baseline. Using multiple logistic regression, odds ratios (ORs) and 95% confidence intervals (CIs) were calculated, with adjustments for age, gender, BMI, serum cholesterol and triglycerides, smoking and energy intake. RESULTS: Study participants' means+/-SD of age and of BMI were 40.1+/ 13.1 years and 27.0+/-4.8kg/m2, respectively. The median+/-SE of their total daily consumption of nuts was 1.19+/-0.11 servings. After 6.2+/-0.7 years of follow-up, 150 cases of T2DM were confirmed. On comparing those who consumed >=4 servings/week with those who consumed <1 serving/week, the age-/energy-adjusted OR of incident T2DM for total nut consumption was 0.64 (95% CI: 0.36-1.12; P for trend = 0.03). In a fully adjusted model, nut consumption was associated with a lower risk of T2DM, and the ORs (95% CIs) of risk for those consuming 2-3.99 and >=4 servings/week of nuts were 0.51 (0.26-0.97) and 0.47 (0.25-0.90), respectively, compared with those consuming <1 serving/week (P<0.001 for trend). CONCLUSION: Our findings suggest that consuming >=4 servings/week of nuts reduced the risk of T2DM compared with <1 serving/week. PMID- 27865658 TI - Characterization of particulate-phase polycyclic aromatic hydrocarbons emitted from incense burning and their bioreactivity in RAW264.7 macrophage. AB - This study investigated the effects of particle-bound polycyclic aromatic hydrocarbons (PAHs) produced from burning three incense types on and their bioreactivity in the RAW 264.7 murine macrophage cell line. Gas chromatography/mass spectrometry was used to determine the levels of 16 identified PAHs. Macrophages were exposed to incense particle extracts at concentrations of 0, 3.125, 6.25, 12.5, 25, 50, and 100 MUg/mL for 24 h. After exposure, cell viability and nitric oxide (NO) and inflammatory mediator [tumor necrosis factor (TNF)-alpha] production of the cells were examined. The mean atomic hydrogen (H) to carbon (C) ratios in the environmentally friendly, binchotan charcoal, and lao shan incenses were 0.69, 1.13, and 1.71, respectively. PAH and total toxic equivalent (TEQ) mass fraction in the incenses ranged from 137.84 to 231.00 and 6.73-26.30 pg/MUg, respectively. The exposure of RAW 264.7 macrophages to incense particles significantly increased TNF-alpha and NO production and reduced cell viability. The cells treated with particles collected from smoldering the environmentally friendly incense produced more NO and TNF-alpha compared to other incenses. Additionally, the TEQ of fluoranthene (FL), pyrene (Pyr), benzo[a]anthracene (BaA), chrysene (Chr), benzo[b]fluoranthene (BbF), benzo[k]fluoranthene (BkF), benzo[a]pyrene (BaP), indeno[1,2,3-cd]pyrene (INP), dibenz[a,h]anthracene (DBA), and benzo[g,h,i]perylene [B(ghi)P] had a significant correlation (R2 = 0.64-0.98, P < 0.05) with NO and TNF-alpha production. The current findings indicate that incense particle-bound PAHs are biologically active and that burning an incense with a lower H/C ratio caused higher bioreactivity. The stimulatory effect of PAH containing particles on molecular mechanisms of inflammation are critical for future study. PMID- 27865659 TI - Using long-term air monitoring of semi-volatile organic compounds to evaluate the uncertainty in polyurethane-disk passive sampler-derived air concentrations. AB - Much effort has been made to standardise sampling procedures, laboratory analysis, data analysis, etc. for semi volatile organic contaminants (SVOCs). Yet there are some unresolved issues in regards to comparing measurements from one of the most commonly used passive samplers (PAS), the polyurethane foam (PUF) disk PAS (PUF-PAS), between monitoring networks or different studies. One such issue is that there is no universal means to derive a sampling rate (Rs) or to calculate air concentrations (Cair) from PUF-PAS measurements for SVOCs. Cair was calculated from PUF-PAS measurements from a long-term monitoring program at a site in central Europe applying current understanding of passive sampling theory coupled with a consideration for the sampling of particle associated compounds. Cair were assessed against concurrent active air sampler (AAS) measurements. Use of "site-based/sampler-specific" variables: Rs, calculated using a site calibration, provided similar results for most gas-phase SVOCs to air concentrations derived using "default" values (commonly accepted Rs). Individual monthly PUF-PAS-derived air concentrations for the majority of the target compounds were significantly different (Wilcoxon signed-rank (WSR) test; p < 0.05) to AAS regardless of the input values (site/sampler based or default) used to calculate them. However, annual average PUF-PAS-derived air concentrations were within the same order of magnitude as AAS measurements except for the particle-phase polycyclic aromatic hydrocarbons (PAHs). Underestimation of PUF derived air concentrations for particle-phase PAHs was attributed to a potential overestimation of the particle infiltration into the PUF-PAS chamber and underestimation of the particle bound fraction of PAHs. PMID- 27865661 TI - The association between subjective health status and 14-year mortality in post PCI patients. AB - BACKGROUND: Poor subjective health status significantly predicted short-term mortality in patients with coronary artery disease (CAD). However, the relation between subjective health status and long-term mortality remains limited in patients treated with PCI. The aim of this study is to investigate the association between subjective health status and 14-year mortality in patients treated with percutaneous coronary intervention (PCI). METHODS: A consecutive cohort with 1111 patients treated for CAD who completed the SF-36 questionnaire was included between 2001 and 2002 as part of the RESEARCH registry. RESULTS: After adjustment, physical functioning (HR: 1.96; 95% CI: 1.59-2.43), social functioning (HR: 1.53; 95% CI: 1.24-1.88), role limitations due to physical functioning (HR: 1.75; 95% CI: 1.41-2.16), role limitations due to emotional functioning (HR: 1.34; 95%CI: 1.08-1.67), mental health (HR: 1.52; 95% CI: 1.24 1.88), vitality (HR: 1.66; 95% CI: 1.35-2.03), bodily pain (HR: 1.63; 95% CI: 1.32-2.02) and general health (HR: 1.82; 95% CI: 1.49-2.23) were all associated with an increased risk of 14-year mortality. CONCLUSION: Physical and mental subjective health status as measured with the SF-36 appeared to be a strong predictor for 14-year mortality in post-PCI patients. PMID- 27865660 TI - Vitamin D3 a new drug against Candida albicans. AB - OBJECTIVE: In this study, we demonstrate that vitamin D3 had fungicidal activity against Candida albicans. MATERIAL AND METHODS: The susceptibility of the yeast strain to the vitamin D3 was investigated by the antimicrobial screening using modified agar diffusion method, minimum fungistatic concentrations (MFCs) and minimum fungicide concentrations (MFCC) of the vitamin D3 were determined by the broth dilution method. RESULTS: The antifungal activity indicted that 100MUg/ml of vitamin D3 had a power inhibition in the growth of C. albicans with zone of inhibition 12.5mm and CMFC and CMFs were 1.58+/-0.0764MUg/ml. CONCLUSION: These values indicate that vitamin D3 can be considered to have fungicide activity. This antifungal effect may be due to the large lipsolubility of vitamin D3 changing the integrity of the cell membrane. PMID- 27865663 TI - Hyposmolarity may be also associated with worse outcomes in patients with heart failure. PMID- 27865662 TI - Sex differences in acute myocardial infarction: Is it only the age? AB - BACKGROUND: Several studies have shown that, after an acute myocardial infarction, women have worse prognosis than males. However, it is not clear if female sex is an independent predictor of mortality risk. Our aim was to analyse sex influence on the prognosis of these patients. METHODS: Retrospective registry of patients with ST segment elevation myocardial infarction (STEMI) from January 2010 to April 2015. RESULTS: From 1111 patients, 258 (23.2%) were women. Compared with men, they presented higher risk profiles with older age (70.1+/-14.4years vs. 62.3+/-13.4, P<0.001), more cardiovascular risk factors (except smoking), longer time from symptoms onset to hospital arrival (5.2+/-4.1h vs. 4.2+/-3.7), higher Killip classification (1.6+/-1.1 vs. 1.4+/-0.8), fewer complete revascularizations (175 [67.8%] vs. 662 [77.9%] in men) and higher in-hospital mortality (26 [10.1%] vs. 34 [4.0%]); all p values <0.003. At discharge, women less frequently received ACE inhibitors (189 [81.1%] vs. 702 [85.8%], p=0.045) and presented more major adverse events (death, bleeding, infection, myocardial infarction, stent thrombosis or heart failure) during the first month after discharge (10.5% vs. 4.5%, p<0.001) and higher long-term mortality (hazard ratio [HR] 1.6, 95% CI 1.1-2.2). After adjusting by age, most of the differences disappeared, and sex was not an independent factor of in-hospital (odds ratio 1.71, 95% CI 0.97-2.99) or long-term mortality (HR 1.0, 95% CI 0.7-1.5). CONCLUSIONS: In patients with acute STEMI, the association of female sex with poor prognosis is mainly explained by age. Sex does not seem to be an independent prognostic factor. PMID- 27865664 TI - Statin protects the heart against ischemia-reperfusion injury via inhibition of the NLRP3 inflammasome. PMID- 27865665 TI - Enhanced volatile fatty acid production from excess sludge by combined free nitrous acid and rhamnolipid treatment. AB - VFA production from excess sludge (ES) was greatly enhanced by a low-cost and high-efficient treatment: 0.67mg/L free nitrous acid (FNA) pretreatment combined with 0.04g/g TSS rhamnolipid (RL) addition (FNA+RL), which significantly shortened fermentation time to 3days and increased VFA production to 352.26mgCOD/g VSS (5.42 times higher than raw ES). Propionic and acetic acids were the two leading components (71.86% of the total VFA). Mechanism investigation manifested FNA+RL improved the biodegradability of ES, achieved positive synergetic effect on solubilization, hydrolysis and acidification efficiencies, and inhibited methanation. Microbial community distribution further explained the above phenomena. The bacteria related to polysaccharides/protein utilization and VFA generation, including Clostridium, Megasphaera and Proteiniborus, were mainly observed in FNA+RL, whereas gas-forming bacteria Anaerolineae and acid-consuming bacteria Proteobacteria were assuredly suppressed. Besides, Propionibacterineae associated with propionic acid generation was exclusively enriched in sole RL and FNA+RL. PMID- 27865666 TI - Reducing sugar loss in enzymatic hydrolysis of ethylenediamine pretreated corn stover. AB - In this study, the effect of ethylenediamine (EDA) on enzymatic hydrolysis with different cellulosic substrates and the approaches to reduce sugar loss in enzymatic hydrolysis were investigated. During enzymatic hydrolysis, xylose yield reduced 21.2%, 18.1% and 13.0% with 7.5mL/L EDA for AFEX pretreated corn stover (CS), washed EDA pretreated CS and CS cellulose. FTIR and GPC analysis demonstrated EDA reacted with sugar and produced high molecular weight (MW) compounds. EDA was prone to react with xylose other than glucose. H2O2 and Na2SO3 cannot prevent sugar loss in glucose/xylose-EDA mixture, although they inhibited the browning and high MW compounds formation. By decreasing temperature to 30 degrees C, the loss of xylose yield reduced to only 3.8%, 3.6% and 4.2% with 7.5mL/L EDA in the enzymatic hydrolysis of AFEX pretreated CS, washed EDA pretreated CS and CS cellulose. PMID- 27865667 TI - Lower urinary tract symptoms in Parkinson's disease: Prevalence, aetiology and management. AB - Lower urinary tract symptoms (LUTS) are common in Parkinson's disease (PD), effecting 27-85% of patients with PD. Irritative symptoms predominate and urodynamic studies confirm high prevalence of detrusor overactivity in PD. LUTS are present early in PD and are more common in PD than in age matched controls. The assessment of LUTS in PD is complicated by coexisting bradykinesia and cognitive impairment. Although LUTS become more troublesome as PD progresses it remains unclear if LUTS severity correlates with motor symptoms and/or duration of PD. The underlying cause of LUTS in PD remains to be fully elucidated. Animal and human studies suggest the net effect of the basal ganglia is to supress micturition. Although LUTS are a common in PD, few studies have examined the assessment and management of LUTS specifically in patients with PD. Pilot studies have suggested that bladder training, antimuscarinic drugs and intravesical botulinum toxin maybe helpful but these trials have been small and frequently lacked a suitable control group making them vulnerable to the placebo effect. Furthermore the adverse effects of antimuscarinic drugs on cognitive and gastrointestinal function may limit the use of these drugs in PD. In this review we summarise the literature describing the prevalence of LUTS in PD, discuss the emerging data delineating the underlying pathophysiology of LUTS and examine interventions helpful in the management of LUTS in people with PD. PMID- 27865668 TI - A small pons as a characteristic finding in Down syndrome: A quantitative MRI study. AB - BACKGROUND: Down syndrome (DS) is the most common chromosomal aberration, but the characteristics of the brainstem component in this condition during childhood (from newborn to preteen stages) have not been clarified. OBJECTIVE: To evaluate the morphological features of the brainstem in DS on magnetic resonance imaging (MRI). MATERIALS AND METHODS: MRIs for 32 children with DS (16 boys and girls each; age range, 0-11years) without major brain insults, and 32 age-matched controls (16 boys and girls each) were retrospectively analyzed. Height, width, and area of the midbrain, pons, and medulla oblongata were measured on sagittal T1-weighted images; these were compared in children with DS and age-matched controls. The ratios of the brainstem to the size of the posterior fossa (BS/PF index) were calculated; these were also compared in the children with DS and the control group. RESULTS: The width and area of the midbrain; height, width, area of the pons; and area of the medulla oblongata were significantly smaller in children with DS than in control children (P<0.05); the area of the pons, particularly for the ventral part, showed the largest differences in the mean relative differences. The BS/PF indices of the height, width, and area of the pons were significantly smaller in children with DS than in the control group (P<0.01). However, the BS/PF indices for the midbrain and the medulla oblongata did not differ between these two groups. CONCLUSIONS: Children with DS may have small brainstems, particularly in the pons; this may be a characteristic morphological feature of the brainstem on MRI in childhood including neonates. PMID- 27865669 TI - PiN photodiode performance comparison for dosimetry in radiology applications. AB - Performance comparison of selected photodiodes for usage as radiation detectors for radio-protection is presented. In this study, based on the criteria of minimum sensitive area of 5mm2, minimum half angle 60 degrees and low cost, four commercial photodiodes are selected for evaluation: SFH205, SFH206, BPW34, and BPX90F. Photodiodes are low cost, small volume and lightweight detectors. As an electronic transducer, photodiode detector is an attractive approach for the development of low power portable electronic dosimeter for direct-reading real time radiation dose measurement. The devices have been studied with respect to sensitivity (efficiency) in X-rays and gamma rays detection, repeatability and linearity in air kerma. PMID- 27865670 TI - Radiation damage to neuronal cells: Simulating the energy deposition and water radiolysis in a small neural network. AB - Radiation damage to the central nervous system (CNS) has been an on-going challenge for the last decades primarily due to the issues of brain radiotherapy and radiation protection for astronauts during space travel. Although recent findings revealed a number of molecular mechanisms associated with radiation induced impairments in behaviour and cognition, some uncertainties exist in the initial neuronal cell injury leading to the further development of CNS malfunction. The present study is focused on the investigation of early biological damage induced by ionizing radiations in a sample neural network by means of modelling physico-chemical processes occurring in the medium after exposure. For this purpose, the stochastic simulation of incident particle tracks and water radiation chemistry was performed in realistic neuron phantoms constructed using experimental data on cell morphology. The applied simulation technique is based on using Monte-Carlo processes of the Geant4-DNA toolkit. The calculations were made for proton, 12C, and 56Fe particles of different energy within a relatively wide range of linear energy transfer values from a few to hundreds of keV/MUm. The results indicate that the neuron morphology is an important factor determining the accumulation of microscopic radiation dose and water radiolysis products in neurons. The estimation of the radiolytic yields in neuronal cells suggests that the observed enhancement in the levels of reactive oxygen species may potentially lead to oxidative damage to neuronal components disrupting the normal communication between cells of the neural network. PMID- 27865671 TI - Anomalous pulmonary venous connection: An underestimated entity. AB - Anomalous pulmonary venous connection is an uncommon congenital anomaly in which all (total form) or some (partial form) pulmonary veins drain into a systemic vein or into the right atrium rather than into the left atrium. The authors present one case of total anomalous pulmonary venous connection and two cases of partial anomalous pulmonary venous connection, one of supracardiac drainage into the brachiocephalic vein, and the other of infracardiac anomalous venous drainage (scimitar syndrome). Through the presentation of these cases, this article aims to review the main pulmonary venous developmental defects, highlighting the role of imaging techniques in the assessment of these anomalies. PMID- 27865672 TI - How should we interpret the athlete's electrocardiogram? PMID- 27865673 TI - A rare cause of acute coronary syndrome: Kounis syndrome. AB - Kounis syndrome is an acute coronary syndrome in the context of a hypersensitivity reaction. The main pathophysiological mechanism appears to be coronary vasospasm. We report the case of a patient with a history of allergy to quinolones, who was given ciprofloxacin before an elective surgical procedure and during drug administration developed symptoms and electrocardiographic changes suggestive of ST-segment elevation acute coronary syndrome. The drug was suspended and coronary angiography excluded epicardial coronary disease. Two hours after withdrawal of the drug the symptoms and ST elevation had resolved completely. PMID- 27865674 TI - Does anemia affect the predictive ability of bleeding risk scores in patients with acute coronary syndromes? AB - INTRODUCTION AND OBJECTIVE: Anemia is a common comorbidity in patients with acute coronary syndromes (ACS), and is associated with higher risk for both bleeding and ischemic complications. We aimed to assess the predictive ability of bleeding risk scores (Can Rapid risk stratification of Unstable angina patients Suppress ADverse outcomes with Early implementation of the ACC/AHA guidelines [CRUSADE], Mehran and Acute Coronary Treatment and Intervention Outcomes Network [ACTION]) in ACS patients with anemia. METHODS: All consecutive ACS patients were prospectively included. The primary outcome was in-hospital major bleeding according to the CRUSADE, Mehran and ACTION definitions. Anemia was defined as hemoglobin <130 g/l in men and <120 g/l in women. The predictive ability of the bleeding risk scores was assessed by binary logistic regression, calculating receiver operating characteristic (ROC) curves and their corresponding area under the curve (AUC). RESULTS: We included 2255 patients, mean age 62.4 years. Anemia was present in 550 patients (24.4%). Patients with anemia had a significantly higher prevalence of comorbidities. The three bleeding risk scores adequately predicted major bleeding in the whole cohort. No significant differences were observed regarding the predictive ability of each of the scores in patients with and without anemia (CRUSADE: AUC 0.73 without anemia vs. 0.74 with anemia, p=0.913; ACTION: AUC 0.68 without anemia vs. 0.73 with anemia, p=0.353; Mehran: AUC 0.69 without anemia vs. 0.61 with anemia, p=0.210). Only the Mehran score showed significantly lower predictive ability in patients with hemoglobin <11 g/dl (AUC 0.51, p=0.044). CONCLUSIONS: Anemia was a common comorbidity in patients with ACS from our series. Currently available bleeding risk scores showed an adequate predictive ability in patients with mild anemia. PMID- 27865675 TI - Unexpected diagnosis in a liver donor candidate. PMID- 27865677 TI - Segmental pulmonary stenosis: Importance of computed tomography angiography. PMID- 27865676 TI - Bailout intravenous esmolol for heart rate control in cardiac computed tomography angiography. AB - OBJECTIVE: To evaluate the efficacy and safety of a heart rate (HR) reduction protocol using intravenous esmolol as bailout for failed oral metoprolol regimens in patients undergoing coronary computed tomography angiography (CCTA) with 64 slice multidetector computed tomography (64-MDCT). METHODS: Patients who underwent cardiac 64-MDCT in a single institution between 2011 and 2014 were analyzed. Those with HR above 60 beats per minute (bpm) on presentation received oral metoprolol (50-200 mg) at least one hour before CCTA. Intravenous esmolol 1 2 mg/kg was administered as a bolus whenever HR remained over 65 bpm just before imaging. The primary efficacy endpoint was HR <65 bpm during CCTA. The primary safety endpoint was symptomatic hypotension or bradycardia up to hospital discharge. RESULTS: During the study period CCTA was performed in 947 cases. In 86% of these, oral metoprolol was the only medication required to successfully reduce HR <60 bpm. Esmolol was used in the remaining 130 patients (14%). For esmolol-treated patients mean baseline and acquisition HR were 74+/-14 bpm and 63+/-9 bpm, respectively (p<0.001). The target HR of <65 bpm was achieved in 82 of the 130 esmolol-treated patients (63%). Considering the whole population, esmolol use led to a significant increase in the primary efficacy endpoint from 86% to 95% (p<0.001). Esmolol also resulted in a statistically, but not clinically, significant reduction in systolic blood pressure (144+/-22 to 115+/ 17 mmHg; p<0.001). The combined primary safety endpoint was only observed in two (1.5%) patients. CONCLUSION: Despite optimal use of oral beta-blockers, 14% of patients needed intravenous esmolol for HR control. The pre-medication combination of oral metoprolol and on-demand administration of intravenous esmolol was safe and effective and enabled 95% of patients to be imaged with HR below 65 bpm. PMID- 27865678 TI - Amorphous tumor of the mitral valve. PMID- 27865679 TI - Percutaneous closure of isolated ostium secundum-type atrial septal defect in a patient with Mayer-Rokitansky-Kuster-Hauser syndrome. AB - Mayer-Rokitansky-Kuster-Hauser (MRKH) syndrome is a rare congenital anomaly characterized by complete or partial aplasia of the uterus and the upper part of the vagina. It is reported to be associated with cardiovascular disorders including atrial septal defect, anomalous pulmonary venous return, aortopulmonary window, pulmonary valve stenosis, mitral valve prolapse, tetralogy of Fallot, truncus arteriosus, and patent ductus arteriosus. Herein, for the first time in the medical literature, we present percutaneous closure of an isolated ostium secundum atrial septal defect in this syndrome. PMID- 27865680 TI - Mortality benefit of long-term angiotensin-converting enzyme inhibitors or angiotensin receptor blockers after successful percutaneous coronary intervention in non-ST elevation acute myocardial infarction. AB - INTRODUCTION AND OBJECTIVES: Angiotensin-converting enzyme inhibitors (ACEIs) and angiotensin receptor blockers (ARBs) have been shown to reduce mortality after myocardial infarction (MI). Current guidelines recommend their prescription in all patients after MI. Limited data are available on whether ACEIs/ARBs still improve prognosis in the contemporary era of non-ST elevation MI (NSTEMI) management. We aimed to evaluate the mortality benefit of ACEIs/ARBs in NSTEMI patients treated successfully with percutaneous coronary intervention (PCI). METHODS: We analyzed 2784 patients with NSTEMI treated successfully with in hospital PCI. Two groups were formed based on ACEI/ARB prescription at discharge. Two propensity score (PS) analyses were performed to control for differences in covariates: one with adjustment among the entire cohort, and the other with PS matching (n=1626). The outcome variable was all-cause mortality at four-year follow-up. RESULTS: There were 1902 (68.3%) patients prescribed ACEIs/ARBs at discharge. When adjusted by PS, ACEI/ARB use was associated with a hazard ratio (HR) for mortality of 0.75 (0.60-0.94; absolute risk reduction [ARR] 4.0%) in the whole cohort (p=0.01). After one-to-one PS matching (n=813 in each group), the mortality rate was significantly lower in patients prescribed ACEIs/ARBs, with HR of 0.77 (0.63-0.94; ARR 3.8%) (p=0.03). CONCLUSIONS: In this observational study of patients with NSTEMI, all of them treated successfully by PCI, the use of ACEIs/ARBs was significantly associated with a lower risk of four-year all-cause mortality. PMID- 27865681 TI - Cardiac rehabilitation in Portugal: The situation in 2013-2014. PMID- 27865682 TI - Cardiac rehabilitation in Portugal: Results from the 2013-14 national survey. AB - INTRODUCTION: In recent years, cardiac rehabilitation (CR) programs have evolved from being limited to exercise training to comprehensive secondary prevention programs. Given the solid scientific evidence supporting them, they are given a class I recommendation in the American and European guidelines for various cardiovascular diseases, but they continue to be underused in Portugal. OBJECTIVE: To analyze the situation of CR programs in Portugal in 2013-14 and to assess developments in recent years. METHODS: In November 2014, a questionnaire was sent to the centers offering CR programs that included the following items: name of the center; composition of the team; phases and components; number of participants and diagnoses; and funding bodies. The percentage of patients with myocardial infarction admitted to phase II CR programs in 2013 was calculated based on data from the Directorate-General of Health (DGS). RESULTS: Twenty-three centers offering CR programs were identified, 12 public and 11 private. The number of centers rose from 16 in 2007 to 23 in 2014. In 2013, 1927 patients participated in phase II programs, nearly three times the number rehabilitated in 2007 (638 patients). Myocardial infarction was the referral diagnosis in 999 patients, accounting for 51.8% of admissions. On the basis of DGS data, 8% of patients with myocardial infarction were admitted to phase II CRPs in 2013, as opposed to 3% in 2007. CONCLUSION: The number of patients admitted to CR programs, as well as the number of centers, increased considerably between 2007 and 2014 in Portugal. Despite these favorable developments, further improvements are still needed. PMID- 27865683 TI - Health-related quality of life in children, adolescents and adults with hereditary and acquired bleeding disorders. AB - BACKGROUND: To better understand self-reported health-related quality-of-life (HrQoL) in children and adults with chronic hemostatic conditions compared with healthy controls. METHODS/PATIENTS/RESULTS: Group 1 consisted of 74 children/adolescents aged 8-18years with hereditary bleeding disorders (H-BD), 12 siblings and 34 peers. Group 2 consisted of 82 adult patients with hereditary/acquired bleeding disorders (H/A-BD), and group 3 of 198 patients with deep venous thrombosis (DVT) on anticoagulant therapy. Adult patients were compared to 1011 healthy blood donors. HrQoL was assessed with a 'revised KINDer Lebensqualitaetsfragebogen' (KINDL-R)-questionnaire adapted to adolescents and adults. No differences were found in multivariate analyses of self-reported HrQoL in children with H-BD. In contrast, apart from family and school-/work-related wellbeing in female patients with DVT the adult patients showed significantly lower HrQoL sub-dimensions compared to heathy control subjects. Furthermore, adults with H/A-BD disorders reported better friend-related HrQoL compared to patients with DVT, mainly due to a decreased HrQoL subscale in women on anticoagulation. CONCLUSION: In children with H-BD, HrQoL was comparable to siblings and peers. In adults with H/A-BD HrQoL was comparable to patients with DVT while healthy blood donors showed better HrQoL. The friend-related HrQoL subscale was significantly reduced in female compared to male patients. PMID- 27865686 TI - David Knopman: connecting the images in dementia research. PMID- 27865684 TI - Clinical and molecular characteristics of patients with Gaucher disease in Southern China. AB - Gaucher disease (GD) is a common lysosomal storage disorder caused by the deficiency of acid beta-glucosidase, due to mutations in the GBA gene. To explore the clinical and molecular characteristics of GD patients from Southern China, GBA gene were analyzed by nest PCR and direct Sanger-sequencing. Novel missense mutations were transiently transfected in COS-7 cells by plasmid system for functional verification. Among the 22 GD patients, 19 patients were classified as type 1 and three as type 2. Over 60% of the type 1 patient had the onset before two years of age and about 42% of them died before three years of age. Six type 1 patients with L444P homozygous genotype, presented with early onset and severe hepatosplenomegaly. Four novel mutations Y22C, F109L, L149F and c.983_990delCCCACTGG were identified. The GBA activities in vitro of novel mutants Y22C, F109L and L149F were 20.2%, 6.9% and 6.5% of the wild-type, respectively. L444P mutation accounted for 47.7% of the mutant alleles. Our results revealed that type 1 GD tends to present with a severe phenotype among southern Chinese. L444P was the most prevalent mutation and L444P homozygous genotype was associated with severe type 1 GD. Three novel missense mutations identified were pathogenic. PMID- 27865685 TI - Mixed Epithelial and Stromal Tumor of the Kidney: Two Case Reports of a Rare Benign Kidney Tumor. PMID- 27865687 TI - Scoring system to predict hemorrhage in pelvic ring fracture. AB - BACKGROUND: Risk factors for hemorrhage in patients with pelvic ring fracture have been widely reported. Because there are many risk factors, it is thought that prediction accuracy of hemorrhage in cases of pelvic ring fracture could be improved by using a scoring system. HYPOTHESIS: We investigated the risk factors for massive hemorrhage (MH) and created a novel predictive score of MH in pelvic ring fractures. MATERIAL AND METHODS: We retrospectively reviewed patients with pelvic ring fractures (Abbreviated Injury Score>=3 and age>=16 years) from January 2007 to June 2015. We excluded the cases that might have hemorrhage from other sites sufficient to require a blood transfusion. Massive hemorrhage was defined as hemorrhage requiring transfusion of>=6 red cell concentrate units within 24h of admission. RESULTS: The MH group included 27 patients and the non MH group included 71 patients. Lactate level, AO/OTA classification and extravasation of computed tomography (CT) contrast fluid had a significantly higher risk as a result of multivariable analysis. The combined score using these risk factors according to their odds-adjusted ratios was created to predict for MH: lactate level>2.5-5.0 (mmol/L)=1 point,>5.0 (mmol/L)=2 points, partially stable (OA/OTA classification B1/B2/B3)=1 point, unstable (C1/C2/C3)=2 points, pelvic extravasation of contrast on CT=4 points. The AUC of the calculated score was 0.93 (95% CI: 0.89-0.98). CONCLUSION: The combined score using these risk factors according to their odds-adjusted ratios was created to predict MH and was an effective prediction score. LEVEL OF EVIDENCE: IV, retrospective study. PMID- 27865688 TI - [Cataract surgery with topical anesthesia in adults under 30 years of age: Preliminary study]. PMID- 27865690 TI - [Waardenburg syndrome]. PMID- 27865689 TI - Retinal oximetry during treatment of retinal vein occlusion by ranibizumab in patients with high blood pressure and dyslipidemia. AB - INTRODUCTION: In the present study, we examined retinal vascular oxygen saturation in patients with retinal vein occlusion (RVO), high blood pressure (HBP) and dyslipidemia, before and during intravitreal vascular endothelial growth factor (VEGF) injection (ranibizumab). METHODS: We retrospectively reviewed the medical records of six patients with visual acuity (VA) reduced by macular edema (ME) secondary to RVO with HBP and dyslipidemia, who underwent intravitreal anti-VEGF injection between October 2014 and February 2015 in the department of ophthalmology of Francois-Quesnay Hospital at Mantes-la-Jolie (France). The main inclusion criterion was the presence of RVO with ME and decreased VA. The primary endpoint was improvement of retinal venous oxygen saturation in patients with RVO before and 3 months after intravitreal ranibizumab injection. Secondary outcomes were improvement of retinal arterial oxygen saturation, improvement of best-corrected visual acuity (BCVA) on the Early Treatment Diabetic Retinopathy Study (ETDRS) scale, regression of ME measured by the central macular thickness (CMT) in nm and studying the correlation between blood pressure (BP) and retinal venous oxygen saturation before and after ranibizumab. RESULTS: Six eyes of six patients were included. Before treatment, the mean (standard deviation [SD]) of the retinal venous saturation (%) was 38.1+/-14.2. Three months after the injections, the mean (SD) of the retinal venous saturation (%) increased statistically significantly 49.2+/ 11 (P=0.03). CONCLUSION: In this study, retinal venous oxygen saturation in patients with RVO, HBP and dyslipidemia was partially normalized during intravitreal ranibizumab treatment. PMID- 27865691 TI - [Evaluation of vision quality after laser vision correction in healthcare professionals]. AB - PURPOSE: Healthcare professionals require good quality of vision. The main objective of this study is to evaluate the satisfaction and vision quality after laser vision correction in healthcare professionals. METHODS: This is a monocentric retrospective study. An online 25-question survey was sent to ametropic physicians, surgeons and nurses who underwent corneal refractive surgery with laser-assisted in situ keratomileusis (LASIK) or photorefractive keratectomy (PRK) between July 2012 and February 2016. Questionnaire responses were recorded anonymously by the internet survey site. These patients' pre- and postoperative data were analyzed. RESULTS: In total, 2491 laser vision corrections were performed during this time frame. One hundred and fifty-eight patients were healthcare providers; 131 received the survey, and 111 responded. Ninety-nine were surgeons, 60 were medical physicians, and 32 were nurses. Ninety one percent reported that they were satisfied with their postoperative vision quality, 63.9% even reported an improvement in their quality of vision compared with their corrected preoperative vision, 92.8% reported that they would have the procedure again, and 94.6% would recommend the procedure to a family member or a patient. Visual outcomes showed high levels of efficacy and predictability. CONCLUSION: While healthcare professionals require good quality of vision, those who had undergone laser vision correction reported the same satisfaction as the general population and would recommend the procedure to their family, friends and patients. PMID- 27865692 TI - Elimination of blinding trachoma in China. AB - OBJECTIVE: To present the change in the prevalence of blindness caused by trachoma between 1987 and 2006 by secondary data analysis based on two China National Sample Surveys on Disability (CNSSD). METHODS: Secondary data analysis was performed on two China National Sample Surveys on Disability (CNSSD), which were national representative household surveys conducted in 1987 and 2006. The prevalence of blindness caused by trachoma was estimated by 10-year age group. In addition, the proportion of various causes of blindness was evaluated. The geographical distribution of blindness caused by trachoma both in 1987 and 2006 was analyzed in order to visualize the hot spots of blinding trachoma in China. RESULTS: The prevalence of blindness caused by trachoma in China decreased from 51.5/100,000 in 1987 to 17.6/100,000 in 2006. In addition, the proportion of blindness attributed to trachoma also decreased from 10.1% (1987) to 0.9% (2006). Moreover, the prevalence of blindness caused by trachoma was over 200/100,000 in 2.2% of sampled counties in 2006 as compared to 8.6% in 1987. The hot spots of blinding trachoma were shown to be limited to underdeveloped mountain areas in Hubei and Guizhou provinces. CONCLUSION: Although blinding trachoma is no longer the leading cause of blindness in China since the 2000's, the prevalence of trachoma should still be monitored in some underdeveloped mountain areas. Therefore, health organization must continue to fight against blinding trachoma in underdeveloped areas. PMID- 27865694 TI - Ocular amyloidosis: A direct view of the amyloid plaques. PMID- 27865693 TI - ["Point by point" approach to structure-function correlation of glaucoma on the ganglion cell complex in the posterior pole]. AB - PURPOSE: To try to establish a "point by point" relationship between the local thickness of the retinal ganglion cell complex and its sensitivity. MATERIALS AND METHODS: In total, 104 glaucomatous eyes of 89 patients with a confirmed 24-2 visual field, were measured by superimposing the visual field, using imaging software, with the Wide 40 degrees by 30 degrees measurements of retinal ganglion cell complex obtained from the Topcon(c) 3D 2000 OCT, after upward adjustment, inversion and scaling. Visual fields were classified into two groups according to the extent of the disease: 58 mild to moderate (MD up to -12dB), and 46 severe (MD beyond -12dB). The 6mm by 6mm central region, equipped with a normative database, was studied, corresponding to 16 points in the visual field. These points were individually matched one by one to the local ganglion cell complex, which was classified into 2 groups depending on whether it was greater or less than 70 microns. The normative database confirmed the pathological nature of the thin areas, with a significance of 95 to 99%. Displacement of central retinal ganglion cells was compensated for. Of 1664 points (16 central points for 104 eyes), 283 points were found to be "borderline" and excluded. Of the 1381 analyzed points, 727 points were classified as "over 70 microns" and 654 points "under 70 microns". RESULTS: (1) For all stages combined, 85.8% of the 727 points which were greater than 70 microns had a deviation between -3 and +3dB: areas above 70 microns had no observable loss of light sensitivity. (2) In total, 92.5% of the 428 points having a gap ranging from -6 to -35dB were located on ganglion cell complex areas below 70 microns: functional visual loss was identified in thin areas, which were less than 70 microns. (3) Areas which were less than 70 microns, that is 654 points, had quite variable sensitivity and can be divided into three groups: the first with preserved sensitivity, another with obliterated sensitivity, and an intermediate group connecting the two previous ones. DISCUSSION: In pathologically thin areas, the distribution of these three functional groups seems to correspond to the progression of glaucomatous visual degradation, including a period of resistance, a period of rapid decline, finally leading to complete functional loss. CONCLUSION: In the studied area, the analysis of retinal ganglion cell complex is relevant to identify areas which are still functional when they exceed 70 microns. Scotomas correspond to the thin areas less than 70 microns. The functionality of areas which are pathologically thinned by glaucomatous degeneration is not correlated to their thickness. In the future, the correlation between structure and function, currently "regional" may be realized "point by point" once automation of the visual field superimposition is made available for the ganglion cell complex. PMID- 27865695 TI - Fusiform Left Carotid-Ophthalmic Artery Aneurysm Presenting with Central Retinal Artery Occlusion. AB - Central retinal artery occlusion (CRAO) is a devastating ocular emergency characterized by acute painless visual loss in the ipsilateral eye. We describe the case of acute non-arteritic CRAO associated fusiform internal carotid ophthalmic artery aneurysm with intraluminal thrombus. Despite the rarity of this condition, we suggest that carotid-ophthalmic artery aneurysm should be included in the differential diagnosis of CRAO. PMID- 27865696 TI - Strength Training for Skeletal Muscle Endurance after Stroke. AB - BACKGROUND AND PURPOSE: Initial studies support the use of strength training (ST) as a safe and effective intervention after stroke. Our previous work shows that relatively aggressive, higher intensity ST translates into large effect sizes for paretic and non-paretic leg muscle volume, myostatin expression, and maximum strength post-stroke. An unanswered question pertains to how our unique ST model for stroke impacts skeletal muscle endurance (SME). Thus, we now report on ST induced adaptation in the ability to sustain isotonic muscle contraction. METHODS: Following screening and baseline testing, hemiparetic stroke participants were randomized to either ST or an attention-matched stretch control group (SC). Those in the ST group trained each leg individually to muscle failure (20 repetition sets, 3* per week for 3 months) on each of three pneumatic resistance machines (leg press, leg extension, and leg curl). Our primary outcome measure was SME, quantified as the number of submaximal weight leg press repetitions possible at a specified cadence. The secondary measures included one repetition maximum strength, 6-minute walk distance (6MWD), 10-meter walk speeds, and peak aerobic capacity (VO2 peak). RESULTS: ST participants (N = 14) had significantly greater SME gains compared with SC participants (N = 16) in both the paretic (178% versus 12%, P < .01) and non-paretic legs (161% versus 12%, P < .01). These gains were accompanied by group differences for 6MWD (P < .05) and VO2 peak (P < .05). CONCLUSION: Our ST regimen had a large impact on the capacity to sustain submaximal muscle contraction, a metric that may carry more practical significance for stroke than the often reported measures of maximum strength. PMID- 27865697 TI - Sulfonylurea Pretreatment and In-Hospital Use Does Not Impact Acute Ischemic Strokes (AIS) Outcomes Following Intravenous Thrombolysis. AB - BACKGROUND AND PURPOSE: Preliminary studies have indicated that sulfonylurea drugs (SUD) may confer protection against cerebral swelling and hemorrhagic transformation in severe acute ischemic stroke (AIS). We sought to determine whether pretreatment and in-hospital use of SUD may be associated with better outcomes in diabetic AIS patients treated with intravenous thrombolysis (IVT). SUBJECTS AND METHODS: We analyzed consecutive diabetic AIS patients treated with IVT during a 3-year period. Pretreatment with SUD, admission NIHSS (National Institutes of Health Stroke Scale) score, NIHSS at 48 hours, and modified Rankin Scale (mRS) at discharge were documented. Patients who discontinued SUD during hospitalization were excluded. Symptomatic intracranial hemorrhage (sICH) was defined as imaging evidence of ICH with NIHSS score increase of greater than or equal to 4 points within 72 hours. Early neurological improvement was defined as an NIHSS score decrease of greater than or equal to 4 points or NIHSS score of 0 at 48 hours. Cerebral edema was documented by neuroradiology reports. Favorable functional outcome (FFO) was defined as discharge mRS of 0-1. RESULTS: A total of 148 diabetic AIS patients were evaluated (mean age 64 +/- 11 years, 49% men, median admission NIHSS score: 8 points). We identified 42 (28%) cases pretreated with SUD. The prevalence of complications and favorable outcomes did not differ (P > .1) between patients pretreated and nonpretreated with SUD: sICH (2% versus 5%), cerebral edema (5% versus 4%), early neurological improvement (42% versus 43%), in-hospital mortality (12% versus 5%), and FFO (22% versus 32%). CONCLUSIONS: Pretreatment and in-hospital use of SUD appears not to be associated with early favorable outcomes and lower likelihood of potential complications in diabetic AIS patients treated with IVT. PMID- 27865698 TI - Immunohistochemical Analysis of Debris Captured by Filter-Type Distal Embolic Protection Devices for Carotid Artery Stenting. AB - BACKGROUND: Little is known about the micro-debris captured in filter-type distal embolic protection devices (EPD) used for carotid stenting (CAS). This study aimed to determine the histological and immunohistochemical characteristics of such debris by using a new liquid-based cytology (LBC) technique. METHODS: Fifteen patients who underwent CAS using a filter-type distal EPD (FilterWire EZ; Boston Scientific, Marlborough, MA, USA) were included in the study. After gross inspection of each recovered filter device, micro-debris were collected using a new LBC technique (SurePath; TriPath Imaging, Inc., Burlington, NC). Histological and immunohistochemical analysis of the recovered debris was performed. The pre- and postoperative brain magnetic resonance imaging and neurological status of each patient were also reviewed. RESULTS: No patient developed ipsilateral symptomatic stroke due to a thromboembolic event. All 15 patients (100%) had microscopically identifiable debris in the filters, whereas gross inspection detected visible debris only in 5 patients (33.3%). Histological analysis revealed various types of structural components in an advanced atheromatous plaque, including fragments of fibrous cap, calcified plaque, smooth muscle cells, and necrotic tissue fragment infiltrated with monocytes and macrophages. CONCLUSIONS: Filter-type EPDs may contribute to reducing the risk of CAS-related embolic events by capturing micro-debris even when gross inspection of the recovered filter shows no visible debris in the device. PMID- 27865699 TI - TNF-alpha inhibits the growth of Legionella pneumophila in airway epithelial cells by inducing apoptosis. AB - BACKGROUND: TNF-alpha plays an important role in the pathogenesis of Legionella pneumophila (Lp)-induced pneumonia. Patients undergoing anti-TNF-alpha therapy are at an increased risk of Lp infection. Lp infects both phagocytic and non phagocytic cells such as airway epithelial cells; however, the role of TNF-alpha in airway epithelial cells is unknown. METHODS: Human airway epithelial cell line NCI-H292 was infected with Lp NUL1 strain. After infection, both intracellular growth of Lp and cell death were evaluated after treating the cells with or without TNF-alpha. Apoptosis was examined by performing activated caspase-3/7 staining and by using a pan-caspase inhibitor. RESULTS: Lp infected and replicated in NCI-H292 cells in a time-dependent manner, and TNF-alpha treatment of Lp-infected NCI-H292 cells inhibited Lp replication. Inhibitory effects of TNF alpha on Lp replication were suppressed after treatment with a TNF-alpha neutralizing antibody. Lp infection increased extracellular lactate dehydrogenase levels and decreased the number of living cells. Increased number of Lp-infected NCI-H292 cells showed caspase-3/7 activation, indicating they underwent apoptosis. TNF-alpha treatment inhibited Lp replication by increasing the apoptosis of NCI-H292 cells. CONCLUSIONS: Thus, our results suggested that airway epithelial cells were involved in the pathogenesis of Lp infection and that TNF alpha played a protective role by inhibiting the intracellular replication of Lp and by increasing the apoptosis of Lp-infected airway epithelial cells. However, Lp infection should be investigated further in patients undergoing anti-TNF-alpha therapy who develop pneumonia. PMID- 27865700 TI - Adhesion ability of angiotensin II with model membranes. AB - The octa-peptide angiotensin II (Ang II, (H2NAspArgValTyrIleHisProPheCOOH)) is one of the key player on blood pressure regulation in mammals. Predominantly binding to the Angiotensin type 1 and 2 receptors, the hormone is one of several peptide ligands binding to G protein coupled receptors (GPCR). The active hormone derives from a high molecular weight precursor sequentially cleaved by the proteases renin and the angiotensin converting enzyme (ACE). The chemical nature of the amino acid sequence has an impact on the behavior in the proximity of membranes, demonstrated using different membrane model systems and biophysical methods. Applying electrochemical impedance spectroscopy and small angle X-ray scattering a detailed view on the adhesion of the peptide with model membrane surfaces was performed. The role of specific amino acids involved in the interaction with the phospholipid head group were investigated and, studying a truncated version of Ang II, Ang (1-7), the key role of the C-terminal phenylalanine was proven. Truncation of the C-terminal amino acid abolishes the binding of the peptide to the membrane surface. A shift in pH, altering the protonation state of the central histidine residue impairs the adhesion of Ang II. PMID- 27865701 TI - Polymorphisms and haplotypes of the CYP2B6 detoxification gene in the predisposition of Acute Myeloid Leukemia (AML) and induction of its cytogenetic abnormalities. AB - CYP2B6 is a polymorphic detoxification gene which plays a vital role in the degradation of genotoxic compounds. In this study we hypothesized that inadequate detoxification due to CYP2B6 polymorphisms may contribute to AML. To evaluate the potential impact of CYP2B6 polymorphisms on AML development and induction of its specific chromosomal abnormalities we studied C777A and A785G polymorphisms for the first time in AML. Furthermore, we investigated the co-existence of the above polymorphisms with G516T polymorphism to determine the CYP2B6 high-risk haplotypes in AML susceptibility. Our study included 619 AML patients and 430 healthy donors. Concerning C777A CYP2B6 polymorphism, no significant difference was found between patients and controls. However, A785G CYP2B6 polymorphism showed a statistically higher frequency of the variant genotypes in patients (48.2%), mainly in secondary AML patients (49.1%) than in controls (26.1%). Moreover, an increased frequency of the variant genotypes was found in those with abnormal karyotypes, especially with -7/del(7q), -5/del(5q), +8, inv(16) and t(8;21). The combination of the three CYP2B6 polymorphisms (G516T, C777A & A785G) revealed seven haplotypes. Four out of six haplotypes with at least one mutant allele were significantly associated with an increased risk for AML. Interestingly, T516A777G785 haplotype, where the three mutant alleles co-existed, had ~3-fold increased risk to be found in patients than controls. The association between haplotypes and cytogenetic aberrations revealed a positive correlation between specific CYP2B6 haplotypes and AML cytogenetic abnormalities. Our data suggest that A785G CYP2B6 gene polymorphism and specific CYP2B6 haplotypes may contribute to AML and its specific chromosomal aberrations. PMID- 27865702 TI - Biosynthetic approaches to creating bioactive fungal metabolites: Pathway engineering and activation of secondary metabolism. AB - The diversity of natural products is greater than that of combinatorial chemistry compounds and is similar to that of drugs. Compounds rich in sp3 carbons, such as natural products, typically exhibit high structural complexity and high specificity to molecular targets. Microorganisms can synthesize such sp3 carbon rich compounds and can be used as excellent factories for making bioactive compounds. Here, we mainly focus on pathway engineering of two sp3 carbon-rich bioactive indole alkaloids, fumitremorgin C and terpendole E. We also demonstrate the importance of activation of secondary metabolism by focusing on tenuazonic acid, a bioactive tetramic acid compound, as an example. PMID- 27865703 TI - Discovery of 2-((2-chloro-6-fluorophenyl)amino)-N-(3-fluoro-5 (trifluoromethyl)phenyl)-1-methyl-7,8-dihydro-1H-[1,4]dioxino[2',3':3,4]benzo[1,2 d]imidazole-5-carboxamide as potent, selective and efficacious microsomal prostaglandin E2 synthase-1 (mPGES-1) inhibitor. AB - The discovery and SAR of potent, selective dioxane-fused tricyclic benz[d]imidazole derivatives as mPGES-1 inhibitor are herein described. Various amide modifications in this series afforded many potent mPGES-1 inhibitors, of which 17d proved to be suitable for further profiling in vivo. Compound 17d {2 ((2-chloro-6-fluorophenyl)amino)-N-(3-fluoro-5-(trifluoromethyl)phenyl)-1-methyl 7,8-dihydro-1H-[1,4]dioxino[2',3':3,4]benzo[1,2-d]imidazole-5-carboxamide} exhibited excellent mPGES-1 enzyme (IC50: 8nM), cell (A549 IC50: 16.24nM) and human whole blood potency (IC50: 249.9nM). In rodent species, 17d strongly inhibited guinea pig mPGES-1 (IC50: 10.79nM), but not the rat and mouse enzyme. Furthermore 17d displayed excellent in vitro selectivity over mPGES-2, cPGES, COX enzymes (COX-1, 2), selectivity against other prostanoid synthases, favorable hERG and CEREP panel profile. Likewise, our lead 17d demonstrated good oral pharmacokinetic profiles and good CNS B/P ratio in rat and guinea pig. Lead 17d also unveiled good efficacy in LPS-induced thermal hyperalgesia pain model with ED50 of 36.7mg/kg, respectively. PMID- 27865704 TI - Radical scavenging and antibacterial activity of caffemides against gram positive, gram negative and clinical drug resistance bacteria. AB - A new series of caffemide were synthesized and their antioxidant and antibacterial activities were explored. Antioxidant and antibacterial activities were measured of different structures of caffemide containing different functional groups. Anti-oxidative caffemides 1b and 1g showed significantly higher activity against different bacteria with MIC values less than 50MUg/ml. These anti-oxidative and antibacterial properties of caffemides might be helpful for the treatment of secondary infections and discovery of new antibiotics. PMID- 27865705 TI - Dimeric sesquiterpene and thiophenes from the roots of Echinops latifolius. AB - Phytochemical investigation of the roots of Echinops latifolius led to the isolation of a new carbon skeleton dimeric sesquiterpene (1) and a new thiophene (2), along with six known compounds (3-8). Their structures and relative stereochemistry were elucidated by spectroscopic and spectrometric methods (1H and 13C NMR, COSY, HSQC, HMBC, ROESY, and MS). All isolates were evaluated for their inhibition of LPS-induced NO production in RAW 264.7 cells. Compounds 4 and 5 exhibited the most potent inhibitory effects on NO production. PMID- 27865706 TI - Age-related length variability of polymorphic CAG repeats. AB - Somatic instability of CAG repeats has been associated with the clinical progression of CAG repeat diseases. Aging and DNA repair processes influence the somatic stability of CAG repeat in disease and in mouse models. However, most of the studies have focused on genetically engineered transgenic repeats and little is known about the stability of naturally polymorphic CAG repeats. To study whether age and/or DNA repair activity have an effect on the somatic stability of CAG repeats, we analyzed variations of the length of naturally polymorphic CAG repeats in the striatum of young and aged WT and ogg1 KO mice. Some multiple and long polymorphic CAG repeats were observed to have variable length in the striatum of aged mice. Interestingly, a low level of repeat variability was detected in the CAG repeat located in tbp, the only mouse polymorphic CAG repeat that is associated with a trinucleotide disease in humans, in the striatum of aged mice and not in young mice. We propose that age may have an effect on the somatic stability of polymorphic CAG repeats and that such an effect depends on intrinsic CAG repeat characteristics. PMID- 27865707 TI - A comprehensive database of published tDCS clinical trials (2005-2016). AB - Transcranial direct current stimulation (tDCS) is a technique of noninvasive cortical stimulation allowing significant modification of brain functions. Clinical application of this technique was reported for the first time in March 2005. This paper presents a detailed list of the 340 articles (excluding single case reports) which have assessed the clinical effect of tDCS in patients, at least when delivered to cortical targets. The reviewed conditions were: pain syndromes, Parkinson's disease, dystonia, cerebral palsy, post-stroke limb motor impairment, post-stroke neglect, post-stroke dysphagia, post-stroke aphasia, primary progressive aphasia, multiple sclerosis, epilepsy, consciousness disorders, Alzheimer's disease and other types of dementia, tinnitus, depression, auditory hallucinations and negative symptoms of schizophrenia, addiction and craving, autism, and attention disorders. The following data were collected: (i) clinical condition; (ii) study design; (iii) sample size; (iv) anode and cathode locations; (v) stimulation intensity and electrode area; (vi) number and duration of sessions; (vii) clinical outcome measures and results. This article does not include any meta-analysis and aims simply at providing a comprehensive overview of the raw data reported in this field to date, as an aid to researchers. PMID- 27865708 TI - Effects of exposure to 2100MHz GSM-like radiofrequency electromagnetic field on auditory system of rats. AB - INTRODUCTION: The use of mobile phones has become widespread in recent years. Although beneficial from the communication viewpoint, the electromagnetic fields generated by mobile phones may cause unwanted biological changes in the human body. OBJECTIVE: In this study, we aimed to evaluate the effects of 2100MHz Global System for Mobile communication (GSM-like) electromagnetic field, generated by an electromagnetic fields generator, on the auditory system of rats by using electrophysiological, histopathologic and immunohistochemical methods. METHODS: Fourteen adult Wistar albino rats were included in the study. The rats were divided randomly into two groups of seven rats each. The study group was exposed continuously for 30days to a 2100MHz electromagnetic fields with a signal level (power) of 5.4dBm (3.47mW) to simulate the talk mode on a mobile phone. The control group was not exposed to the aforementioned electromagnetic fields. After 30days, the Auditory Brainstem Responses of both groups were recorded and the rats were sacrificed. The cochlear nuclei were evaluated by histopathologic and immunohistochemical methods. RESULTS: The Auditory Brainstem Responses records of the two groups did not differ significantly. The histopathologic analysis showed increased degeneration signs in the study group (p=0.007). In addition, immunohistochemical analysis revealed increased apoptotic index in the study group compared to that in the control group (p=0.002). CONCLUSION: The results support that long-term exposure to a GSM-like 2100MHz electromagnetic fields causes an increase in neuronal degeneration and apoptosis in the auditory system. PMID- 27865709 TI - Defective splicing of the background K+ channel K2P5.1 by the pre-mRNA splicing inhibitor, pladienolide B in lectin-activated mouse splenic CD4+ T cells. AB - The two-pore domain K+ channel K2P5.1 has been implicated in the pathogenesis of autoimmune diseases. We investigated the changes in K2P5.1 activity caused by a defect in normal pre-mRNA splicing in concanavalin A-activated mouse splenic CD4+ T cells. The pre-mRNA splicing inhibitor, pladienolide B (1 MUM) markedly decreased full-length K2P5.1 transcription in activated CD4+ T cells, resulting in the disappearance of K2P5.1 activity and an imbalance in Th17 and Treg cytokines. These results suggest that the defect in K2P5.1 splicing by the pre mRNA splicing inhibitor regulates pro- and/or anti-inflammatory cytokine production in K2P5.1-associated autoimmune diseases. PMID- 27865710 TI - New human biomonitoring methods for chemicals of concern-the German approach to enhance relevance. AB - In Germany strong efforts have been made within the last years to develop new methods for human biomonitoring (HBM). The German Federal Ministry for the Environment, Nature Conservation, Building and Nuclear Safety (BMUB) and the German Chemical Industry Association e. V. (VCI) cooperate since 2010 to increase the knowledge on the internal exposure of the general population to chemicals. The projects aim is to promote human biomonitoring by developing new analytical methods Key partner of the cooperation is the German Environment Agency (UBA) which has been entrusted with the scientific coordination. Another key partner is the "HBM Expert Panel" which each year puts together a list of chemicals of interest to the project from which the Steering Committee of the project choses up to five substances for which method development will be started. Emphasis is placed on substances with either a potential health relevance or on substances to which the general population is potentially exposed to a considerable extent. The HBM Expert Panel also advises on method development. Once a method is developed, it is usually first applied to about 40 non-occupationally exposed individuals. A next step is applying the methods to different samples. Either, if the time trend is of major interest, to samples from the German Environmental Specimen Bank, or, in case exposure sources and distribution of exposure levels in the general population are the focus, the new methods are applied to samples from children and adolescents from the population representative 5th German Environmental Survey (GerES V). Results are expected in late 2018. This article describes the challenges faced during method development and solutions found. An overview presents the 34 selected substances, the 14 methods developed and the 7 HBM-I values derived in the period from 2010 to mid 2016. PMID- 27865711 TI - Use of an ePTFE-covered nitinol self-expanding stent graft for the treatment off pre-closure device failure during transcatheter aortic valve replacement. AB - OBJECTIVES: Our aim was to describe our experience with the use of an ePTFE covered nitinol self-expanding stent graft (GORE(r) VIABAHN(r) Endoprosthesis, Gore Medical, USA) placed in the common femoral artery for the treatment of suture-mediated pre-closure device failure following transcatheter aortic valve replacement (TAVR). BACKGROUND: Access site-related vascular complications (VC) following sheath removal related to pre-closure device failure during TAVR are common and treatment options may vary. METHODS: We performed an observational study on a series of consecutive patients who underwent TAVR between 2013 and 2015. RESULTS: Included were 25 patients at a mean (+/-SD) age of 82+/-9. Failure of the closure device resulted in overt bleeding in 19 patients, dissection or no flow in 5 patients, and angiographic pseudoaneurysm in 1. Overall 29 stents were deployed with diameters ranging from 8 to 11mm and a length of 50mm (26, 90%). All stent-graft deployments achieved complete hemostasis of the arteriotomy site and resulted in normal flow to the distal vessels. None of the patients required open surgical repair. The mean hemoglobin drop was 2.6+/-1.3g/dl. Blood transfusions were used in 15 (60%) patients. Acute kidney injury occurred in 4 (16%) patients, none of whom was treated with dialysis. Length of hospital stay was 9+/-5days. All patients survived during a 30-day follow-up period, and none had VC related to the stented site. CONCLUSIONS: The use of an ePTFE-covered Nitinol self-expanding stent graft is a feasible, safe, and effective treatment modality for access site-related VC following TAVR. SUMMARY: The use of an ePTFE covered nitinol self-expanding stent graft placed in the common femoral artery for the treatment of suture-mediated pre-closure device failure following transcatheter aortic valve replacement (TAVR) is described in 25 patients. Its use was found to be feasible, safe, and an effective treatment modality for access site-related vascular complications following TAVR. PMID- 27865712 TI - Role for human arylamine N-acetyltransferase 1 in the methionine salvage pathway. AB - The Phase II drug metabolizing enzyme arylamine N-acetyltransferase 1 (NAT1) has been implicated in the growth and survival of cancer cells, although the mechanisms that underlies these effects are unknown. Here, a focused metabolomics approach was used to identify changes in folate catabolism as well as the S adenosylmethionine (SAM) cycle following NAT1 knockdown with shRNA. Although acetylation of the folate catabolite p-aminobenzoylglutamate (pABG) was significantly decreased, there were no changes in intracellular pABG or the various components of the SAM cycle. By contrast, the flux of homocysteine in the medium was different following NAT1 knockdown after the methionine content was exhausted suggesting a need for this metabolite in methionine synthesis. Analysis of the growth of various cancer cells in methylthioadenosine-supplemented medium showed that NAT1 knockdown inhibited the methionine salvage pathway in HT-29 cells but not in HeLa or MDA-MB-436 cells. The cause of this was a low level of expression of the isomerase MRI-1 in the HT-29 cells. Knocking down both NAT1 and MRI-1 in HeLa cells with siRNA further demonstrated a redundancy between these 2 enzymes, although direct isomerase activity by NAT1 could not be demonstrated. The present study has identified a novel endogenous role for human NAT1 that might explain some of its effects in cancer cell growth and survival. PMID- 27865714 TI - Short-term prophylactic use of C1-inhibitor concentrate in hereditary angioedema: Findings from an international patient registry. PMID- 27865715 TI - Time-dependent severity change during treatment of pediatric patients hospitalized for acute asthma exacerbations. PMID- 27865716 TI - Common variable immune deficiency associated with pemphigoid. PMID- 27865713 TI - Platensimycin and platencin: Inspirations for chemistry, biology, enzymology, and medicine. AB - Natural products have served as the main source of drugs and drug leads, and natural products produced by microorganisms are one of the most prevalent sources of clinical antibiotics. Their unparalleled structural and chemical diversities provide a basis to investigate fundamental biological processes while providing access to a tremendous amount of chemical space. There is a pressing need for novel antibiotics with new mode of actions to combat the growing challenge of multidrug resistant pathogens. This review begins with the pioneering discovery and biological activities of platensimycin (PTM) and platencin (PTN), two antibacterial natural products isolated from Streptomyces platensis. The elucidation of their unique biochemical mode of action, structure-activity relationships, and pharmacokinetics is presented to highlight key aspects of their biological activities. It then presents an overview of how microbial genomics has impacted the field of PTM and PTN and revealed paradigm-shifting discoveries in terpenoid biosynthesis, fatty acid metabolism, and antibiotic and antidiabetic therapies. It concludes with a discussion covering the future perspectives of PTM and PTN in regard to natural products discovery, bacterial diterpenoid biosynthesis, and the pharmaceutical promise of PTM and PTN as antibiotics and for the treatment of metabolic disorders. PTM and PTN have inspired new discoveries in chemistry, biology, enzymology, and medicine and will undoubtedly continue to do so. PMID- 27865717 TI - Eosinophilic esophagitis as possible complication of aspirin treatment in patient with aspirin-exacerbated respiratory disease. PMID- 27865718 TI - Are Echocardiography and CMR Really Discordant in Mitral Regurgitation? PMID- 27865720 TI - The Female Side of the Heart: Sex Differences in Athlete's Heart. PMID- 27865719 TI - Pre-Load-Induced Changes in Forward LV Stroke and Functional Mitral Regurgitation: Echocardiographic Detection of the Descending Limb of Starling's Curve. AB - OBJECTIVES: The purpose of this study was to clarify the prognostic significance of diagnosing whether the failing heart is functioning on the descending limb of the Starling curve by using echocardiography with passive leg lifting (PLL). BACKGROUND: Patients with advanced heart failure can shift to the descending limb of the Starling curve, in which pre-load does not lead to an expected increase in forward left ventricular stroke volume (LVSV). METHODS: Thirty-five consecutive patients with left ventricular (LV) ejection fraction of <40% underwent echocardiography at rest during baseline and during PLL to increase pre-load. RESULTS: Despite PLL, a paradoxical decrease in forward LVSV was observed in 15 (43%) patients. Changes in forward LVSV inversely correlated with those in functional mitral regurgitation (r = -0.56). The primary endpoint of cardiac death or hospitalization due to worsening heart failure occurred in 15 (43%) patients during follow-up (2.8 +/- 2.2 years). There were a number of significant predictors of the primary endpoint in the univariate Cox analysis: baseline E/A ratio (p = 0.0002), paradoxical decrease in LVSV despite PLL (hazard ratio: 4.44; 95% confidence interval: 1.41 to 14.0; p = 0.011), baseline LV end-systolic volume (p = 0.023), and baseline LV ejection fraction (p = 0.034). In the bivariate Cox analysis, an addition of the paradoxical decrease in LVSV significantly enhanced the predictive power of all other univariate predictors. CONCLUSIONS: Heart failure patients with LV systolic dysfunction on the descending limb of the Starling curve can be recognized by the paradoxical decrease in LVSV despite PLL, and the prognostic predicting power is additive to the other traditional echocardiographic predictors. Also, our results suggest that functional mitral regurgitation is an important reason for the descending limb of the Starling curve, which is clinically recognized as the pre-load induced decrease in forward LVSV. PMID- 27865721 TI - New Concepts in an Old Disease: Exercise Intolerance in Moderate Mitral Stenosis. PMID- 27865722 TI - Effect of Sex and Sporting Discipline on LV Adaptation to Exercise. AB - OBJECTIVES: This study sought to investigate the effect of different types of exercise on left ventricular (LV) geometry in a large group of female and male athletes. BACKGROUND: Studies assessing cardiac adaptation in female and male athletes indicate that female athletes reveal smaller increases in LV wall thickness and cavity size compared with male athletes. However, data on sex specific changes in LV geometry in athletes are scarce. METHODS: A total of 1,083 healthy, elite, white athletes (41% female; mean age 21.8 +/- 5.7 years) assessed with electrocardiogram and echocardiogram were considered. LV geometry was classified into 4 groups according to relative wall thickness (RWT) and left ventricular mass (LVM) as per European and American Society of Echocardiography guidelines: normal (normal LVM/normal RWT), concentric hypertrophy (increased LVM/increased RWT), eccentric hypertrophy (increased LVM/normal RWT), and concentric remodeling (normal LVM/increased RWT). RESULTS: Athletes were engaged in 40 different sporting disciplines with similar participation rates with respect to the type of exercise between females and males. Females exhibited lower LVM (83 +/- 17 g/m2 vs. 101 +/- 21 g/m2; p < 0.001) and RWT (0.35 +/- 0.05 vs. 0.36 +/- 0.05; p < 0.001) compared with male athletes. Females also demonstrated lower absolute LV dimensions (49 +/- 4 mm vs. 54 +/- 5 mm; p < 0.001) but following correction for body surface area, the indexed LV dimensions were greater in females (28.6 +/- 2.7 mm/m2 vs. 27.2 +/- 2.7 mm/m2; p < 0.001). Most athletes showed normal LV geometry. A greater proportion of females competing in dynamic sport exhibited eccentric hypertrophy compared with males (22% vs. 14%; p < 0.001). In this subgroup only 4% of females compared with 15% of males demonstrated concentric hypertrophy/remodeling (p < 0.001). CONCLUSIONS: Highly trained athletes generally show normal LV geometry; however, female athletes participating in dynamic sport often exhibit eccentric hypertrophy. Although concentric remodeling or hypertrophy in male athletes engaged in dynamic sport is relatively common, it is rare in female athletes and may be a marker of disease in a symptomatic athlete. PMID- 27865724 TI - Leg Lifting in HFrEF, Frank-Starling, and Mitral Regurgitation. PMID- 27865723 TI - Mechanisms of Effort Intolerance in Patients With Rheumatic Mitral Stenosis: Combined Echocardiography and Cardiopulmonary Stress Protocol. AB - OBJECTIVES: This study sought to evaluate mechanisms of effort intolerance in patients with rheumatic mitral stenosis (MS). BACKGROUND: Combined stress echocardiography and cardiopulmonary testing allows assessment of cardiac function, hemodynamics, and oxygen extraction (A-Vo2 difference). METHODS: Using semirecumbent bicycle exercise, 20 patients with rheumatic MS (valve area 1.36 +/ 0.4 cm2) were compared to 20 control subjects at 4 pre-defined activity stages (rest, unloaded, anaerobic threshold, and peak). Various echocardiographic parameters (left ventricular volumes, ejection fraction, stroke volume, mitral valve gradient, mitral valve area, tissue s' and e') and ventilatory parameters (peak oxygen consumption [Vo2] and A-Vo2 difference) were measured during 8 to 12 min of graded exercise. RESULTS: Comparing patients with MS to control subjects, significant differences (both between groups and for group by time interaction) were seen in multiple parameters (heart rate, stroke volume, end-diastolic volume, ejection fraction, s', e', Vo2, and tidal volume). Exercise responses were all attenuated compared to control subjects. Comparing patients with MS and poor exercise tolerance (<80% of expected) to other subjects with MS, we found attenuated increases in tidal volume (p = 0.0003), heart rate (p = 0.0009), and mitral area (p = 0.04) in the poor exercise tolerance group. These patients also displayed different end-diastolic volume behavior over time (group by time interaction p = 0.05). In multivariable analysis, peak heart rate response (p = 0.01), tidal volume response (p = 0.0001), and peak A-Vo2 difference (p = 0.03) were the only independent predictors of exercise capacity in patients with MS; systolic pulmonary pressure, mitral valve gradient, and mitral valve area were not. CONCLUSIONS: In patients with rheumatic MS, exercise intolerance is predominantly the result of restrictive lung function, chronotropic incompetence, limited stroke volume reserve, and peripheral factors, and not simply impaired valvular function. Combined stress echocardiography and cardiopulmonary testing can be helpful in determining mechanisms of exercise intolerance in patients with MS. PMID- 27865726 TI - [Falls in less than one year-old infants: Management in the emergency department]. AB - OBJECTIVES: A study was performed in order to describe injuries associated with falls in children aged <1 year who attended the emergency department. The approaches used were examined, as well as the factors associated with the greater use of these approaches, and the management of the patient. PATIENTS AND METHODS: This was a multicentre, descriptive and analytical study that included all patients aged <1 year who had experienced a fall for which they attended the emergency departments of one of 8 Spanish Hospitals belonging to the "Unintentional Paediatric Injury Working Group" of the Spanish Paediatric Society. A record was made of the data regarding the visit, circumstances before arrival at the hospital, injuries observed, and the diagnostic and therapeutic approaches used. RESULTS: A total of 1022 patients had experienced falls, that is, 0.35% of the emergencies attended in the study hospitals (95% CI, 0,348 0,352). The most commonly affected part was the head (58%). Cranial radiography was ordered in 31.8% of cases, and was associated with the presence of bruising or signs of fracture on examination (P<.001), falls from heights >100cm (P<.001), and age <3 months (P=.004). Minor head injury was the most common finding (85.6%), followed by fractures, especially cranial fractures (7.1%), which were associated with bruising or signs of fracture on examination (P<.001), and age <3 months (P<.001). Six percent of the patients required admission to hospital. The risk factors for hospital admission in this group were falls from heights >50cm and age <3 months. CONCLUSIONS: Injuries after falls in infants aged <1 year are commonly due to head trauma and frequently require additional diagnostic tests. PMID- 27865725 TI - Cardiac CTA for Evaluation of Prosthetic Valve Dysfunction. PMID- 27865727 TI - [Epidemiology of patients hospitalised due to bronchiolitis in the south of Europe: Analysis of the epidemics, 2010-2015]. AB - INTRODUCTION: The renewal of clinical practice guidelines on acute bronchiolitis (AB) requires the re-assessment of the consequences of their implementation. An update is presented on the main clinical and epidemiological variables in patients hospitalised due to AB in Southern Europe and an analysis made of the causes associated with longer hospital stay. PATIENTS AND METHOD: A retrospective study was conducted on patients admitted to hospital due to AB during 5 epidemics (2010-2015), with an analysis of the major clinical and epidemiological variables. A logistic regression analysis was performed on the factors associated with a longer hospital stay. RESULTS: The beginning of the epidemic occurred between the 4th week of September and the 3rd week of October. Of those children under 2 years (42,530), 15.21% (6,468 patients) attended paediatric emergency department due to having AB, and 2.36% (1,006 patients) were admitted. Of these, 18.5% of were premature, 12.2% had a birth weight <2,300g, 21.1% were younger than 1 month, 10.8% consulted for associated apnoea, 31.1% had an intake <50%, and 13.1% had bacterial superinfection. These factors were independently associated with prolonged stay. The median length of stay was 5 days, and 8.5% of cases were admitted to a paediatric intensive care unit (PICU). CONCLUSIONS: The beginning of the bronchiolitis epidemic showed a variability of up to 4 weeks in this region. Five years after implementing the new guidelines, the incidence of admissions was approximately 2.3%, and appeared stable compared to previous studies. The mean age of the patients decreased to 2.4 months, although with a similar proportion of PICU admissions of 8.5%. Independent factors associated with prolonged stay were: low birth weight, age less than one month, apnoea prior to-admission, intake of less than 50%, and severe bacterial superinfection. Respiratory bacterial infection exceeded the prevalence of urinary tract infection. PMID- 27865728 TI - The Prevalence and Demographic Associations of Presenting Near-Vision Impairment Among Adults Living in the United States. AB - PURPOSE: To estimate prevalence of presenting near-vision impairment (PNVI) among people aged >=50 years in the United States (US) and examine associations with sociodemographic characteristics. DESIGN: Cross-sectional study. METHODS: A total of 11 016 of 12 781 (88.5%) US adults aged >=50 years participated in the National Health and Nutrition Examination Survey (NHANES) between 1999 and 2008 with recorded near visual acuity. PNVI was defined as presenting near vision worse than 20/40; functional near-vision impairment (FNVI) was defined as at least "moderate difficulty" with either reading newsprint or near work. Prevalence of PNVI and FNVI were estimated accounting for National Health and Nutrition Examination Survey multistage probability sampling design. Multivariable regression models were used to determine sociodemographic characteristics associated with PNVI. RESULTS: A total of 13.6% of participants had PNVI, with 25.9% reporting concurrent FNVI. Higher odds of PNVI was associated with nonwhite race, older age, male sex, less than high school education, lack of private health insurance, income less than poverty level, lacking/not using near-vision correction at time of examination, and impaired distance vision. Although the majority of participants with PNVI (82.9%) had normal distance vision or uncorrected refractive error, less than half (46.1%) used near-vision correction. Not using near correction was associated with nonwhite race, younger age, male sex, and lack of access to health care. CONCLUSIONS: Approximately 1 in 8 Americans aged >=50 years have PNVI, with 1 in 4 reporting concurrent FNVI. Demographic factors shown to be important in access to eye care likely influence PNVI and utilization of near-vision correction in the US. As the majority of PNVI is likely correctable with spectacles, allocation of resources to provide corrective lenses to those in need likely has great public health implications. PMID- 27865729 TI - Improving the efficiency of dissolved oxygen control using an on-line control system based on a genetic algorithm evolving FWNN software sensor. AB - This work proposes an on-line hybrid intelligent control system based on a genetic algorithm (GA) evolving fuzzy wavelet neural network software sensor to control dissolved oxygen (DO) in an anaerobic/anoxic/oxic process for treating papermaking wastewater. With the self-learning and memory abilities of neural network, handling the uncertainty capacity of fuzzy logic, analyzing local detail superiority of wavelet transform and global search of GA, this proposed control system can extract the dynamic behavior and complex interrelationships between various operation variables. The results indicate that the reasonable forecasting and control performances were achieved with optimal DO, and the effluent quality was stable at and below the desired values in real time. Our proposed hybrid approach proved to be a robust and effective DO control tool, attaining not only adequate effluent quality but also minimizing the demand for energy, and is easily integrated into a global monitoring system for purposes of cost management. PMID- 27865730 TI - Overview of the state of the art of constructed wetlands for decentralized wastewater management in Brazil. AB - Conventional wastewater treatment plants (WWTPs) commonly require large capital investments as well as operation and maintenance costs. Constructed wetlands (CWs) appear as a cost-effective treatment, since they can remove a broad range of contaminants by a combination of physical, chemical and biological processes with a low cost. Therefore, CWs can be successfully applied for decentralized wastewater treatment in regions with low population density and/or with large land availability as Brazil. The present work provides a review of thirty nine studies developed on CWs implemented in Brazil to remove wastewater contaminants. Brazil current sanitation data is also considered to evaluate the potential role of CWs as decentralized wastewater treatment. Performance of CWs was evaluated according to (i) type of wetland system, (ii) different support matrix (iii) vegetation species and (iv) removal efficiency of chemical oxygen demand (COD), biological oxygen demand (BOD5), nitrogen (N), and phosphorus (P). The reviewed CWs in overall presented good efficiencies, whereas H-CWs achieved the highest removals for P, while the higher results for N were attained on VF-CW and for COD and BOD5 on HF-CW. Therefore, was concluded that CWs are an interesting solution for decentralized wastewater treatment in Brazil since it has warm temperatures, extensive radiation hours and available land. Additionally, the low percentage of population with access to the sewage network in the North and Northeast regions makes these systems especially suitable. Hence, the further implementation of CW is encouraged by the authors in regions with similar characteristics as Brazil. PMID- 27865731 TI - Physicochemical characterization, modelling and optimization of ultrasono assisted acid pretreatment of two Pennisetum sp. using Taguchi and artificial neural networking for enhanced delignification. AB - Acid as well as ultrasono-assisted acid pretreatment of lignocellulosic biomass of two Pennisetum sp.; Denanath grass (DG) and Hybrid Napier grass (HNG) have been investigated for enhanced delignification and maximum exposure of cellulose for production of bioethanol. Screening of pretreatment with different acids such as H2SO4, HCl, H3PO4 and H2NO3 were optimized for different temperature, soaking time and acid concentrations using Taguchi orthogonal array and the data obtained were statistically validated using artificial neural networking. HCl was found to be the most effective acid for pretreatment of both the Pennisetum sp. The optimized conditions of HCl pretreatment were acid concentration of 1% and 1.5%, soaking time 130 and 50 min and temperature 121 degrees C and 110 degrees C which yielded maximum delignification of 33.0% and 33.8% for DG and HNG respectively. Further ultrosono-assisted HCl pretreatment with a power supply of 100 W, temperature of 353 K, and duty cycle of 70% has resulted in significantly higher delignification of 80.4% and 82.1% for both DG and HNG respectively than that of acid pretreatment. Investigation using SEM, FTIR and autofloresence microscopy for both acid and ultrasono-assisted acid pretreatment lignocellulosic biomass revealed conformational changes of pretreated lignocellulosic biomass with decreased lignin content and increased exposure of cellulose, with greater effectiveness in case of ultrasono assisted acid pretreatment condition. PMID- 27865733 TI - Systolic and diastolic unloading by mechanical support of the acute vs the chronic pressure overloaded right ventricle. AB - BACKGROUND: Right ventricular (RV) mechanical support is well described in cases of sudden increase in RV afterload. In cases of chronic RV pressure overload (e.g., pulmonary arterial hypertension), it has rarely been described. METHODS: The pulmonary artery was banded in 18 sheep. In the acute group (n = 9), we immediately implanted a Synergy Pocket Micro-Pump. Blood was withdrawn from the right atrium to the pulmonary artery. In the chronic group (n = 9), this pump was implanted 8 weeks after banding. Hemodynamics and pressure-volume loops were recorded before and 15 minutes after pump activation. RESULTS: Low-flow RV mechanical support significantly improved arterial blood pressure in both groups, but cardiac output only in the acute group. Intrinsic RV contractility was not affected. The RV contribution to the total right-sided cardiac output was 54% +/- 8 in the acute group vs 10% +/- 13 in the chronic group (p < 1.10-5), indicating a more profound unloading in the latter. Diastolic unloading (reflected by decreases in central venous pressure, end-diastolic pressure and volume, and ventricular capacitance) was successful in both groups. Decreases in pressure volume area and RV peak pressure reflected successful systolic unloading only in the chronic group. CONCLUSIONS: Low-flow RV mechanical support improved arterial blood pressure in both conditions but caused a more profound unloading in the chronic group. Diastolic unloading was successful in both groups, but systolic unloading was successful only in the chronic group. The potential use of low-flow mechanical support for a chronic pressure overloaded right ventricle warrants further research to assess its long-term effects. PMID- 27865732 TI - PREVENtion of HeartMate II Pump Thrombosis Through Clinical Management: The PREVENT multi-center study. AB - BACKGROUND: Recommended structured clinical practices including implant technique, anti-coagulation strategy, and pump speed management (PREVENT [PREVENtion of HeartMate II Pump Thrombosis Through Clinical Management] recommendations) were developed to address risk of early (<3 months) pump thrombosis (PT) risk with HeartMate II (HMII; St. Jude Medical, Inc. [Thoratec Corporation], Pleasanton, CA). We prospectively assessed the HMII PT rate in the current era when participating centers adhered to the PREVENT recommendations. METHODS: PREVENT was a prospective, multi-center, single-arm, non-randomized study of 300 patients implanted with HMII at 24 participating sites. Confirmed PT (any suspected PT confirmed visually and/or adjudicated by an independent assessor) was evaluated at 3 months (primary end-point) and at 6 months after implantation. RESULTS: The population included 83% men (age 57 years +/- 13), 78% destination therapy, and 83% Interagency Registry for Mechanically Assisted Circulatory Support (INTERMACS) Profile 1-3. Primary end-point analysis showed a confirmed PT of 2.9% at 3 months and 4.8% at 6 months. Adherence to key recommendations included 78% to surgical recommendations, 95% to heparin bridging, and 79% to pump speeds >=9,000 RPMs (92% >8,600 RPMs). Full adherence to implant techniques, heparin bridging, and pump speeds >=9,000 RPMs resulted in a significantly lower risk of PT (1.9% vs 8.9%; p < 0.01) and lower composite risk of suspected thrombosis, hemolysis, and ischemic stroke (5.7% vs 17.7%; p < 0.01) at 6 months. CONCLUSIONS: Adoption of all components of a structured surgical implant technique and clinical management strategy (PREVENT recommendations) is associated with low rates of confirmed PT. PMID- 27865734 TI - Vascular endothelial growth factor A is associated with the subsequent development of moderate or severe cardiac allograft vasculopathy in pediatric heart transplant recipients. AB - BACKGROUND: Cardiac allograft vasculopathy (CAV) is the leading cause of chronic allograft loss after pediatric heart transplantation. We hypothesized that biomarkers of endothelial injury and repair would predict CAV development in pediatric heart transplant recipients. METHODS: Blood was collected from pediatric heart transplant recipients at the time of routine annual coronary angiography, and the concentrations of 13 angiogenesis-related molecules were determined. The primary end point was the presence of moderate or severe CAV by angiography during a 5-year follow-up period. RESULTS: The study enrolled 48 recipients (57% male) with a median age of 15.5 years (range, 2-22 years) and median time post-transplant of 5.8 years (range, 2-15 years). Eight recipients developed moderate/severe CAV at a median follow-up of 4.7 years, of whom 3 died, 3 underwent retransplantation, 1 had a myocardial infarction, and 1 was listed for retransplantation. Clinical characteristics associated with the development of moderate/severe CAV included prednisone use at enrollment (p = 0.03) and positive recipient cytomegalovirus immunoglobulin G at the time of transplant (p = < 0.01). Multivariable Cox proportional hazards regression identified plasma vascular endothelial growth factor (VEGF)-A concentration greater than 90 pg/ml at the time of blood draw as a significant predictor of time to moderate or severe CAV (hazard ratio, 14.3; 95% confidence interval, 1.3-163). Receiver operating characteristic curve analysis demonstrated that VEGF-A shows moderate performance for association with the subsequent development of CAV (area under the curve, 0.77; 95% confidence interval, 0.61-0.92). CONCLUSIONS: VEGF-A levels in pediatric heart transplant recipients are associated with clinically important CAV progression within the subsequent 5 years. PMID- 27865735 TI - Impact of age on incidence and prevalence of moderate-to-severe cellular rejection detected by routine surveillance biopsy in pediatric heart transplantation. AB - BACKGROUND: The effect of age at transplant on rejection detected by routine surveillance biopsy (RSB) in pediatric heart transplant (HT) recipients is unknown. We hypothesized there would be low diagnostic yield and decreased prevalence of rejection detected on RSB in infants (age <1 year) when compared with children (age 1 to 9 years) and adolescents (age 10 to 18 years). METHODS: We utilized Pediatric Heart Transplant Study (PHTS) data from 2010 to 2013 to analyze moderate-to-severe (ISHLT Grade 2R/3R) cellular rejection (MSR) detected only on RSB (RSBMSR). RESULTS: RSB detected 280 of 343 (81.6%) episodes of MSR. RSBMSR was detected in all age groups even >5 years after HT. Infant RSBMSR had a greater proportion (p = 0.0025) occurring >5 years after HT (39.2 vs 18.4 vs 10.8%) and a lower proportion (p = 0.0009) occurring in the first year after HT (25.5 vs 60.6 vs 51.7%) compared with children and adolescents, respectively. Freedom from RSBMSR was 87 +/- 7% in infants, 76 +/- 6% in children and 73 +/- 7% in adolescents 4 years after HT. In 1-year survivors who had RSBMSR in the first year after HT, the risk of RSBMSR occurring in Years 2 to 4 was significantly (p < 0.0001) greater than patients without RSBMSR in the first year (hazard ratio 21.28, 95% confidence interval 10.87 to 41.66), regardless of recipient age. CONCLUSIONS: RSBMSR exists in all age groups after pediatric HT with long-term follow-up. The prevalence in infant recipients is highest >5 years after HT. Those with RSBMSR in the first year after HT are at a high risk for recurrent rejection regardless of age at HT. PMID- 27865737 TI - Echocardiographic assessment of feline false tendons and their relationship with focal thickening of the left ventricle. AB - BACKGROUND: False tendons (FTs) are string-like structures in the left ventricle. A FT might produce focal thickening at its insertion region of the left ventricle, which could be mistaken for focal hypertrophic cardiomyopathy. OBJECTIVES: To perform a prospective, echocardiographic follow-up examination of feline FTs and compare the wall thickness at the FT insertion region and a normal region without FTs at both examinations. ANIMALS: One hundred twenty-eight cats with one or multiple FTs without other cardiac abnormalities or systemic disease. METHODS: Measurements of the interventricular septum at end-diastole at a region with and without FT insertion were performed using two-dimensional echocardiography at both examinations and compared statistically using a Student's t-test. RESULTS: The follow-up interval ranged from 5 to 110 months (mean, 33 months). Myocardial wall segments with FT insertions were significantly thicker compared with neighboring wall regions in the long axis, but not in the short-axis views obtained. Comparing the wall thickness of follow-up examinations with the initial examination, revealed a significant growth of both FT and non-FT segments. However, differences in growth between the FT region and region without FTs were not statistically different. CONCLUSIONS AND CLINICAL IMPORTANCE: Many normal cats have FTs, associated with focal thickening compared with neighboring regions. This thickening can increase over time, proportionate to growth in other (non-FT) segments. The association of such thickening with an FT and the absence of disproportionate growth in this segment over time suggests that these segments are simply thicker related to FT insertion. PMID- 27865738 TI - Evaluation of the modified carbapenem inactivation method and sodium mercaptoacetate-combination method for the detection of metallo-beta-lactamase production by carbapenemase-producing Enterobacteriaceae. AB - We evaluated the effectiveness of carbapenem inactivation method (CIM) and modified CIM (mCIM). Our results indicated that mCIM with 4h incubation improved sensitivity and specificity for detecting carbapenemase-producing Enterobacteriaceae compared to CIM. Additionally, we developed a sodium mercaptoacetate-combination method (SMA-mCIM) to detect metallo-beta-lactamase (MBL) with high sensitivity and specificity. PMID- 27865739 TI - Shaken or stirred?: Comparison of methods for dispersion of Mycoplasma pneumoniae aggregates for persistence in vivo. AB - BACKGROUND: Mycoplasma pneumoniae (Mpn), one of the smallest self-replicating prokaryotes, is known to readily adhere to host cells and to form aggregates in suspension. Having only one cell membrane and no cell wall, mycoplasmas present questions as to optimal aggregate disruption method while minimizing cell death in vitro. We compared conventional vortex mixing with other methods for disruption of bacterial aggregates and for its effect on cell viability. METHODS: Strain UAB PO1, a clinical Mpn isolate, was dispersed using a conventional vortex mixer with or without nonionic detergent (0.1% and 0.01% Tween-20), a probe-type ultrasonicator, or repeated passage through a 27-gauge needle. The resulting suspensions were assayed for recoverable colony-forming units (CFU). Flow cytometric assays were carried out to examine particle size and membrane integrity with the transmembrane potential dye DiBAC4. Wet Scanning Transmission Electron Microscopy (Wet-STEM) was performed for high resolution imaging of the resultant cell suspensions. Additional Mpn strains and other human mollicute species were assayed in a similar manner. Mice were infected with either vortexed or sonicated UAB PO1 and bacterial persistence was examined via Mpn-specific 16S qPCR. RESULTS: Comparison between dispersion methods showed a 10-fold enrichment of recoverable Mpn CFU with sonication compared to other methods. Time-course analysis showed significantly lower bacterial CFU with vortexing compared to sonication at all time points. Flow cytometric analysis showed increased cellular membrane damage via DiBAC4 staining in sonicated suspensions, but a decreased particle size. Wet-STEM imaging showed markedly improved dispersion with sonication compared to conventional vortex treatment, and surprisingly vortexing for 30s produced up to a 100-fold drop in CFU. Results similar to UAB PO1 were obtained with three additional Mpn strains and other Mollicutes species, although they exhibited differential susceptibilities to disaggregation by sonication. Finally, increased persistence of the organism in a mouse model of infection was observed using sonicated suspensions for initial infection. CONCLUSIONS: Sonication is superior to vortexing with or without nonionic detergent or repeated 27-gauge needle passage for dispersion of Mpn aggregates while preserving cell viability. Preparation of Mpn suspensions for in vivo experiments is best accomplished using brief sonication due to the dramatic increase in CFU produced by sonication. Dispersion methods may affect the final experimental results and should be an important consideration for future research involving mycoplasma species. PMID- 27865736 TI - iPS-derived neural progenitor cells from PPMS patients reveal defect in myelin injury response. AB - Primary progressive multiple sclerosis (PPMS) is a chronic demyelinating disease of the central nervous system (CNS) currently lacking any effective treatment. Promoting endogenous brain repair offers a potential strategy to halt and possibly restore neurologic function in PPMS. To understand how the microenvironment within white matter lesions plays a role in repair we have focused on neural progenitor cells (NPCs) since these are found in lesions in PPMS and have been found to influence oligodendrocyte progenitor cell maturation (OPCs). To better understand the cellular nature of NPCs in PPMS we developed iPS cells from blood samples of PPMS patients and age matched non-disease spouse or blood relative controls. Using these iPS cell lines we determined that the NPCs from PPMS cases provided no neuroprotection against active CNS demyelination compared to NPCs from control iPS lines which were capable of completely preventing injury. Conditioned media (CM) from PPMS NPCs provides no protection to OPCs and prevents maturation of OPCs into oligodendrocytes in vitro. We also found that CM from PPMS iPS NPCs elicited patient-specific differences in the response to compounds that should foster oligodendrocyte (OL) maturation. Together, these data establish a new model for understanding the nature of myelination defects in PPMS which may lead to novel targeted approaches for preventing demyelination in these patients. PMID- 27865742 TI - Internal rectal prolapse: Definition, assessment and management in 2016. AB - Internal rectal prolapse (IRP) is a well-recognized pelvic floor disorder mainly seen during defecatory straining. The symptomatic expression of IRP is complex, encompassing fecal continence (56%) and/or evacuation disorders (85%). IRP cannot be characterized easily by clinical examination alone and the emergence of dynamic defecography (especially MRI) has allowed a better comprehension of its pathophysiology and led to the proposition of a severity score (Oxford score) that can guide management. Decision for surgical management should be multidisciplinary, discussed after a complete work-up, and only after medical treatment has failed. Information should be provided to the patient, outlining the goals of treatment, the potential complications and results. Stapled trans anal rectal resection (STARR) has been considered as the gold standard for IRP treatment. However, inconsistent results (failure observed in up to 20% of cases, and fecal incontinence occurring in up to 25% of patients at one year) have led to a decrease in its indications. Laparoscopic ventral mesh rectopexy has substantial advantages in solving the functional problems due to IRP (efficacy on evacuation and resolution of continence symptoms in 65-92%, and 73-97% of patients, respectively) and is currently considered as the gold standard therapy for IRP once the decision to operate has been made. PMID- 27865741 TI - Seasonal Population Movements and the Surveillance and Control of Infectious Diseases. AB - National policies designed to control infectious diseases should allocate resources for interventions based on regional estimates of disease burden from surveillance systems. For many infectious diseases, however, there is pronounced seasonal variation in incidence. Policy-makers must routinely manage a public health response to these seasonal fluctuations with limited understanding of their underlying causes. Two complementary and poorly described drivers of seasonal disease incidence are the mobility and aggregation of human populations, which spark outbreaks and sustain transmission, respectively, and may both exhibit distinct seasonal variations. Here we highlight the key challenges that seasonal migration creates when monitoring and controlling infectious diseases. We discuss the potential of new data sources in accounting for seasonal population movements in dynamic risk mapping strategies. PMID- 27865743 TI - A smart way to reconstruct the middle hepatic vein during major hepatectomy. PMID- 27865740 TI - Sm-p80-Based Schistosomiasis Vaccine: Preparation for Human Clinical Trials. AB - Mass antiparasitic drug administration programs and other control strategies have made important contributions in reducing the global prevalence of helminths. Schistosomiasis, however, continues to spread to new geographic areas. The advent of a viable vaccine and its deployment, coupled with existing control efforts, is expected to make significant headway towards sustained schistosomiasis control. In 2016, Science ranked the schistosomiasis vaccine as one of the top 10 vaccines that needs to be urgently developed. A vaccine that is effective against geographically distinct forms of intestinal/hepatic and urinary disease is essential to make a meaningful impact in global reduction of the disease burden. In this opinion article, we focus on salient features of schistosomiasis vaccines in different phases of the clinical development pipeline and highlight the Sm-p80 based vaccine which is now being prepared for human clinical trials. PMID- 27865745 TI - Movement artifacts mimicking a normal EEG background activity in a patient with anoxic brain injury. PMID- 27865746 TI - Serious complication of applying a laryngeal mask after a foreign body aspiration in an infant. PMID- 27865744 TI - Outcomes of sudden cardiac arrest in a state-wide integrated resuscitation program: Results from the Minnesota Resuscitation Consortium. AB - BACKGROUND: Despite many advances in resuscitation science the outcomes of sudden cardiac arrest (SCA) remain poor. The Minnesota Resuscitation Consortium (MRC) is a statewide integrated resuscitation program, established in 2011, to provide standardized, evidence-based resuscitation and post-resuscitation care. The objective of this study is to assess the outcomes of a state-wide integrated resuscitation program. METHODS: We examined the trends in resuscitation metrics and outcomes in Minnesota since 2011 and compared these to the results from the national Cardiac Arrest Registry to Enhance Survival (CARES) program. Since 2011 MRC has expanded significantly providing service to >75% of Minnesota's population. RESULTS: A total of 5192 SCA occurred in counties covered by MRC from 2011 to 2014. In this period, bystander cardiopulmonary resuscitation (CPR) and use of hypothermia, automatic CPR device and impedance threshold device increased significantly (p<0.0001 for all). Compared to CARES, SCA cases in Minnesota were more likely to be ventricular fibrillation (31% vs. 23%, p<0.0001) but less likely to receive bystander CPR (33% vs. 39%, p<0.0001). Survival to hospital discharge with good or moderate cerebral performance (12% vs. 8%, p<0.0001), survival in SCA with a shockable rhythm (Utstein survival) (38% vs. 33%, p=0.0003) and Utstein survival with bystander CPR (44% vs. 37%, p=0.003) were greater in Minnesota than CARES. CONCLUSIONS: State-wide integration of resuscitation services in Minnesota was feasible. Survival rate after cardiac arrest is greater in Minnesota compared to the mean survival rate in CARES. PMID- 27865747 TI - Impact of neighbourhood socio-economic status on bystander cardiopulmonary resuscitation in Paris. AB - BACKGROUND: No European data currently describe the relation between neighbourhood socio-economic status (SES) and rates of out-of-hospital cardiac arrest (OHCA) bystander cardiopulmonary resuscitation (CPR). This study aims to analyse this effect with a robust deprivation index. METHODS: Data about all OHCA in Paris were collected prospectively between 2000 and 2010. A geographical neighbourhood unit was assigned to each case. Median household income, and rates of blue-collar workers, unemployment, and adults without high school diplomas were selected as SES characteristics and used to classify neighbourhoods as low SES or higher SES. We analysed the relationship between neighbourhood SES characteristics and the probability of receiving bystander CPR. RESULTS: Of the 4009 OHCA with mappable addresses recorded, 777 (19.4%) received bystander CPR. Compared to OHCA who did not receive bystander CPR, those receiving CPR were significantly more likely to have occurred in public locations, have had a witness to their OHCA, and not to have collapsed in a low SES neighbourhood, or in a neighbourhood with a median household income in the lowest quartile and with rates of no high school diplomas and blue-collar workers in the highest quartile. In the multilevel analyses, bystander CPR provision was significantly less frequent in low than in higher SES neighbourhoods (OR 0.85; 95% confidence interval [CI] 0.72-0.99). CONCLUSION: In the city of Paris, OHCA victims were less likely to receive bystander CPR in low SES neighbourhoods. These first European data are consistent with observations in North America and Asia. PMID- 27865748 TI - A novel reverse genetics system for production of infectious West Nile virus using homologous recombination in mammalian cells. AB - Reverse genetics systems facilitate investigation of many aspects of the life cycle and pathogenesis of viruses. However, genetic instability in Escherichia coli has hampered development of a reverse genetics system for West Nile virus (WNV). In this study, we developed a novel reverse genetics system for WNV based on homologous recombination in mammalian cells. Introduction of the DNA fragment coding for the WNV structural protein together with a DNA-based replicon resulted in the release of infectious WNV. The growth rate and plaque size of the recombinant virus were almost identical to those of the parent WNV. Furthermore, chimeric WNV was produced by introducing the DNA fragment coding for the structural protein and replicon plasmid derived from various strains. Here, we report development of a novel system that will facilitate research into WNV infection. PMID- 27865750 TI - Outcomes Following Radical Cystectomy for Plasmacytoid Urothelial Carcinoma: Defining the Need for Improved Local Cancer Control. AB - OBJECTIVE: To evaluate oncological outcomes after radical cystectomy (RC) in patients with plasmacytoid urothelial carcinoma (UC) and to compare survival to that in patients with pure UC of the bladder. MATERIALS AND METHODS: We identified 46 patients with plasmacytoid UC and 972 with pure UC who were treated with RC between 1980 and 2009. All pathologic specimens were re-reviewed by a single GU pathologist. Patients were matched 1:2 by age, gender, Eastern Cooperative Oncology Group performance status, pathologic tumor stage, and nodal status to patients with pure UC. Survival was estimated using the Kaplan-Meier method and compared with the log rank test. RESULTS: Patients with plasmacytoid UC were more likely to have extravesical disease (>=pT3) (83% vs 43%, P < .0001) and positive margins (31% vs 2.1%, P < .0001) than patients with pure UC. Plasmacytoid UC was associated with decreased overall survival (27% vs 45% at 5 years, relative risk [RR] 1.4, P = .04), cancer-specific survival (36% vs 57% at 5 years, RR 1.7, P = .01), and local recurrence-free survival (63% vs 81% at 5 years, RR 2, P = .01). When patients with plasmacytoid UC were matched to those with pure UC, there were no significant differences in 5-year overall, cancer specific, and local or distant recurrence-free survival. CONCLUSION: Plasmacytoid UC is associated with a high rate of locally advanced disease and positive margins at RC, as well as increased local recurrence rates. Further research is necessary to delineate adjuvant or neoadjuvant treatment strategies to improve local cancer control of this rare subtype of UC. PMID- 27865751 TI - Feasibility of Long-term Tibial Nerve Stimulation Using a Multi-contact and Wirelessly Powered Neurostimulation System Implanted in Rats. AB - OBJECTIVE: Implant-driven tibial nerve stimulation therapy is an effective technique for treating overactive bladder. However, the monopolar lead design in the currently available implantable devices pose long-term therapeutic challenges in terms of efficiently and selectively delivering electrical pulses to the target. Hence, the purpose of this study was to (1) characterize the tibial nerve (TN) activation properties using a multi-contact implantable system and (2) evaluate the long-term stability of using such a neural interface in a preclinical model. MATERIALS AND METHODS: Ten adult Sprague-Dawley rats were used in this study. An implantable pulse generator was surgically inserted in the lower back region. The lead wire with 4 active electrodes was placed in parallel with the TN. The threshold for activating the TN was confirmed via movement of the hallux or toes as well as the foot EMG. The TN activation threshold was assessed biweekly, over a period of 12 weeks. RESULTS: Channel 1 exhibited the lowest motor threshold at T0 (mean = 0.58 +/- 0.10 mA). A notable increase in motor twitch intensity was observed during the first test session (2 weeks) following surgical implantation (75.8 +/- 30.5%, channel 1). Among the 10 rats tested, 8 rats successfully completed the 3-month study. CONCLUSION: Results from this study demonstrate the long-term feasibility of achieving tibial nerve stimulation with a multi-contact implantable device in a preclinical model. Future studies are warranted to assess the effects of using such a wirelessly powered system for treating lower urinary tract symptoms in patients. PMID- 27865752 TI - Reconstruction of Massive Localized Lymphedema of the Scrotum: Results, Complications, and Quality of Life Improvements. AB - OBJECTIVE: To review the surgical technique, outcomes, and complications of surgical excision of massive localized lymphedema (MLL) of the scrotum, and to determine changes in weight and quality of life (QOL) after excision. METHODS: A retrospective review was performed for all patients who have undergone excision of MLL of the scrotum at our institution between 2008 and 2014. Standard baseline characteristics, complications, pre- and postoperative weight, and QOL data were recorded. RESULTS: Eleven patients were included, with a mean follow-up of 26 months after surgery. The mean preoperative body mass index was 60, and the mean weight of resected tissue was 21 kg. No patient required an orchiectomy for completion of the resection. Skin grafting was performed in 1 patient, and the rest were closed primarily. Wound complications were common but generally managed successfully with local wound care. At the time of most recent follow-up, most patients had actually gained weight since surgery (mean weight change of +5.2 kg). However, QOL scores improved across all domains, and overall QOL improved from a mean of 1.3 preoperatively to 7.7 postoperatively (where 1 is poor, and 10 is excellent). CONCLUSION: Surgical treatment of MLL of the scrotum can be performed successfully for masses even up to 61 kg (134 lbs). Short-term wound complications are common, but subjective QOL scores improve dramatically. Despite expectations, most patients gained weight after mass removal, which indicates that they would benefit from a comprehensive weight loss plan that includes, but is not limited to, scrotal surgery. PMID- 27865749 TI - In vitro functional assessment of natural HIV-1 group M Vpu sequences using a universal priming approach. AB - The HIV-1 accessory protein Vpu exhibits high inter- and intra- subtype genetic diversity that may influence Vpu function and possibly contribute to HIV-1 pathogenesis. However, scalable methods to evaluate genotype/phenotype relationships in natural Vpu sequences are limited, particularly those expressing the protein in CD4+ T-cells, the natural target of HIV-1 infection. A major impediment to assay scalability is the extensive genetic diversity within, and immediately upstream of, Vpu's initial 5' coding region, which has necessitated the design of oligonucleotide primers specific for each individual HIV-1 isolate (or subtype). To address this, we developed two universal forward primers, located in relatively conserved regions 38 and 90 bases upstream of Vpu, and a single universal reverse primer downstream of Vpu, which are predicted to cover the vast majority of global HIV-1 group M sequence diversity. We show that inclusion of up to 90 upstream bases of HIV-1 genomic sequence does not significantly influence in vitro Vpu expression or function when a Rev/Rev Response Element (RRE)-dependent expression system is used. We further assess the function of four diverse HIV-1 Vpu sequences, revealing reproducible and significant differences between them. Our approach represents a scalable option to measure the in vitro function of genetically diverse natural Vpu isolates in a CD4+ T-cell line. PMID- 27865753 TI - Development and Validation of the Self-Efficacy Regarding Vaginal Birth Scale. AB - OBJECTIVES: The purpose of this study was to develop a scale to measure self efficacy regarding a vaginal birth (SEVB) during pregnancy and to assess its reliability and validity among nulliparous Chinese women. DESIGN: A panel study. SETTING: Five hospitals in Northern Taiwan. PARTICIPANTS: The analysis included 700 (second trimester), 637 (third trimester), and 585 (before birth) women who did not have medical indications for cesarean births at the indicated time points. METHODS: The SEVB scale was used to measure the level of confidence in ability to carry the pregnancy to term and give birth vaginally. The scale included nine items, and each was scored on a numeric rating scale from 0 to 10. A higher score indicated a higher level of self-efficacy. RESULTS: Factor analysis confirmed the one-factor structure, which explained 62.77% and 67.08% of the variance, with Cronbach's alphas for the scale of 0.93 and 0.94 during the second and third trimesters, respectively. The test-retest reliability was 0.73 as determined by the intraclass correlation coefficient. Contrasted group validity supported that those women who preferred cesarean births had significantly lower SEVB scores than women who preferred vaginal births during the second and third trimesters. Those women who tried vaginal births had higher SEVB scores than women who had cesareans without trying vaginal births. CONCLUSION: The scale showed acceptable reliability and validity. Health professionals could use the scale to screen women with low self-efficacy during pregnancy and provide appropriate intervention to increase their willingness to try vaginal births. PMID- 27865754 TI - Perinatal Nurse Home Visiting Referral Patterns Among Women With Diabetes and Hypertension in Philadelphia. AB - OBJECTIVE: To examine access to perinatal nurse home visiting services for high risk pregnant women who have diabetes or hypertension. DESIGN: Secondary data analysis. SETTING: Philadelphia, PA. PARTICIPANTS: Pregnant women who had a live birth during 2012 and those referred to a community-based agency for perinatal nurse home visiting because of their diagnosis of diabetes or hypertension. METHODS: Access to services was measured by examining referral information (dosage, diagnosis, gestational age at time of referral, and insurance type) retrieved from administrative logs of the community-based organization that provides perinatal home visiting to high-risk pregnant women. The population based prevalence rates of hypertension and diabetes were calculated from birth record data provided by the Philadelphia Department of Public Health. RESULTS: During 2012, 595 pregnant women were referred for perinatal nurse home visiting services. The mean gestational age when referred for services was 24.9 weeks (standard deviation = 8.5) with a mean number of 8.8 authorized visits (standard deviation = 8). Associated with more authorized visits was having Medicaid as the insurance type and medical diagnoses that included hypertension (p < .01). Philadelphia prevalence rates for diabetes and hypertension varied by race and ethnicity (p < .001); Asian mothers had the greatest rates for diabetes and Black mothers the greatest rates for hypertension. CONCLUSION: Various models of home visiting programs exist to improve maternal and child health outcomes. Because maternal morbidity and mortality rates are rising in the United States, further research about perinatal nurse home visiting programs for pregnant women with diabetes and hypertension is warranted. PMID- 27865755 TI - Corrigendum to "Fc-gamma receptors are not involved in cartilage damage during experimental osteoarthritis" [Osteoarthritis Cartilage 23 (2015) 1221-1225]. PMID- 27865757 TI - Guilt, or guilt by association? Insulin therapy in type 2 diabetes and death. PMID- 27865756 TI - Association of insulin dosage with mortality or major adverse cardiovascular events: a retrospective cohort study. AB - BACKGROUND: Existing studies have shown conflicting evidence regarding the safety of exogenous insulin therapy in patients with type 2 diabetes. In particular, observational studies have reported an increased risk of death and cardiovascular disease among users of higher versus lower doses of insulin. We aimed to quantify the association between increasing dosage of insulin exposure and death and cardiovascular events, while taking into account time-dependent confounding and mediation that might have biased previous studies. METHODS: We did a cohort study using primary care records from the UK-based Clinical Practice Research Datalink (CPRD). New users of metformin monotherapy were identified in the period between Jan 1, 2001, and Dec 31, 2012. We then identified those in this group with a new prescription for insulin. Insulin exposure was categorised into groups according to the mean dose (units) per day within 180-day time segments throughout each patient's follow-up. Relative differences in mortality and major adverse cardiovascular events (non-fatal myocardial infarction, non-fatal stroke, cardiovascular-related mortality) were assessed using conventional multivariable Cox proportional hazards models. Marginal structural models were then applied to reduce bias introduced by the time-dependent confounders affected by previous treatment. FINDINGS: We identified 165 308 adults with type 2 diabetes in the CPRD database. After applying our exclusion criteria, 6072 (mean age 60 years [SD 12.5], 3281 [54%] men, mean HbA1c 8.5% [SD 1.75], and median follow-up 3.1 years [IQR 1.7-5.3) were new add-on insulin users and were included in the study cohort; 3599 were new add-on insulin users and were included in the subcohort linked to hospital records and death certificate information. Crude mortality rates were comparable between insulin dose groups; <25 units per day (46 per 1000 person-years), 25 to <50 units per day (39 per 1000 person-years), 50 to <75 units per day (27 per 1000 person-years), 75 to <100 units per day (34 per 1000 person-years), and at least 100 units per day (32 per 1000 person-years; p>0.05 for all; mean rate of 31 deaths per 1000 person-years [95% CI 29-33]). With adjustment for baseline covariates, mortality rates were higher for increasing insulin doses: less than 25 units per day [reference group]; 25 to <50 units per day, hazard ratio (HR) 1.41 [95% CI 1.12-1.78]; 50 to <75 units per day, 1.37 [1.04-1.80]; 75 to <100 units per day, 1.85 [1.35-2.53]; and at least 100 units per day, 2.16 [1.58-2.93]. After applying marginal structural models, insulin dose was not associated with mortality in any group (p>0.1 for all). INTERPRETATION: In conventional multivariable regression analysis, higher insulin doses are associated with increased mortality after adjustment for baseline covariates. However, this effect seems to be confounded by time-dependent factors such as insulin exposure, glycaemic control, bodyweight gain, and the occurrence of cardiovascular and hypoglycaemic events. This study provides reassurance of the overall safety of insulin use in the treatment of type 2 diabetes and contributes to our understanding of the contrasting conclusions from non randomised and randomised studies regarding dose-dependent effects of insulin on cardiovascular events and mortality. FUNDING: Canadian Institutes of Health Research, Heart and Stroke Foundation of Canada, and the Newfoundland and Labrador Research and Development Corporation. PMID- 27865759 TI - miRNA-Coordinated Networks as Promising Therapeutic Targets for Acute Kidney Injury. AB - This commentary highlights the article by Wilflingseder et al that investigates the relationship between in vivo inhibition of miR-182 by antisense oligonucleotides and improved post-injury kidney function. PMID- 27865758 TI - Bone Morphogenetic Protein 2 and Transforming Growth Factor beta1 Inhibit the Expression of the Proinflammatory Cytokine IL-34 in Rheumatoid Arthritis Synovial Fibroblasts. AB - IL-34 is a proinflammatory cytokine implicated in rheumatoid arthritis (RA). The current study aimed to assess the IL-34 expression in response to two members of the transforming growth factor (TGF)-beta family, TGF-beta1 and bone morphogenetic protein (BMP)-2, in synovial fibroblasts from RA patients. IL-34, TGF-beta1, and BMP-2 productions were measured in patient synovial fluids by enzyme-linked immunosorbent assay. IL-34 mRNA levels were quantified by real-time quantitative PCR in human synovial fibroblasts and murine mesenchymal stem cells. Pharmacologic inhibitions were used to determine the involvement of activin receptor-like kinase 1 (ALK1) and ALK5 downstream TGF-beta1 and BMP-2. IL-34, TGF beta1, and BMP-2 were expressed in synovial fluids from RA patients. We found a significant correlation between IL-34 and TGF-beta1 expressions. Levels of both IL-34 and TGF-beta1 were thus correlated with the total leukocyte counts in the synovial fluids. TGF-beta1 and BMP-2 decreased IL-34 expression in the synovial fibroblasts or in murine mesenchymal stem cells in a dose- and time-dependent manner through ALK5 and ALK1 pathways, respectively. In addition, TGF-beta1 and BMP-2 antagonized tumor necrosis factor alpha-induced IL-34 gene expression. This work identifies TGF-beta1 and BMP-2 as potent inhibitors of IL-34 expression in RA synovial fibroblasts. These cytokines, as upstream inhibitors of IL-34, may thus contribute to antagonize inflammation and bone erosions in RA. PMID- 27865760 TI - This Month in AJP. AB - The following highlights summarize research articles that are published in the current issue of The American Journal of Pathology. PMID- 27865761 TI - Pharmacist-led health-system approaches to reduce opioid overdose and death. PMID- 27865763 TI - Screening biological methods for laboratory scale stabilization of fine fraction from landfill mining. AB - Increasing interest for the landfill mining and the amount of fine fraction (FF) in landfills (40-70% (w/w) of landfill content) mean that sustainable treatment and utilization methods for FF are needed. For this study FF (<20mm) was mined from a municipal solid waste (MSW) landfill operated from 1967 to 1989. FF, which resembles soil, was stabilized in laboratory scale reactors in two phases: first, anaerobically for 101days and second, for 72days using four different methods: anaerobic with the addition of moisture (water) or inoculum (sewage sludge) and aerobic with continuous water washing, with, or without, bulking material. The aim was to evaluate the effect on the stability of mined FF, which has been rarely reported, and to study the quality and quantity of gas and leachate produced during the stabilization experiment. The study showed that aerobic treatment reduced respiration activity (final values 0.9-1.1mgO2/gTS) and residual methane potential (1.1LCH4/kgTS) better than anaerobic methods (1.8 2.3mg O2/g TS and 1.3-2.4L CH4/kg TS, respectively). Bulking material mixed in FF in one aerobic reactor had no effect on the stability of FF. The benefit of anaerobic treatment was the production of methane, which could be utilized as energy. Even though the inoculum addition increased methane production from FF about 30%, but the methane production was still relatively low (in total 1.5-1.7L CH4/kg TS). Continuous water washing was essential to remove leachable organic matter and soluble nutrients from FF, while increasing the volume of leachate collected. In the aerobic treatment, nitrogen was oxidized into nitrite and nitrate and then washed out in the leachate. Both anaerobic and aerobic methods could be used for FF stabilization. The use of FF, in landscaping for example, is possible because its nutrient content (4gN/kg TS and 1g P/kg TS) can increase the nutrient content of soil, but this may have limitations due to the possible presence of heavy metal and other contaminants. PMID- 27865765 TI - Assessing Gametocyte Carriage in Treated Asymptomatic Falciparum Carriers in Africa. PMID- 27865766 TI - Inulin: A New Adjuvant With Unknown Mode of Action. PMID- 27865762 TI - Tumor-targeted nanomedicines for cancer theranostics. AB - Chemotherapeutic drugs have multiple drawbacks, including severe side effects and suboptimal therapeutic efficacy. Nanomedicines assist in improving the biodistribution and target accumulation of chemotherapeutic drugs, and are therefore able to enhance the balance between efficacy and toxicity. Multiple types of nanomedicines have been evaluated over the years, including liposomes, polymer-drug conjugates and polymeric micelles, which rely on strategies such as passive targeting, active targeting and triggered release for improved tumor directed drug delivery. Based on the notion that tumors and metastases are highly heterogeneous, it is important to integrate imaging properties in nanomedicine formulations in order to enable non-invasive and quantitative assessment of targeting efficiency. By allowing for patient pre-selection, such next generation nanotheranostics are useful for facilitating clinical translation and personalizing nanomedicine treatments. PMID- 27865764 TI - Phase 2a Randomized Clinical Trial: Safety and Post Hoc Analysis of Subretinal rAAV.sFLT-1 for Wet Age-related Macular Degeneration. AB - BACKGROUND: We present the results of a Phase 2a randomized controlled trial investigating the safety, and secondary endpoints of subretinal rAAV.sFLT-1 gene therapy in patients with active wet age-related macular degeneration (wAMD). METHODS: All patients (n=32), (ClinicalTrials.gov; NCT01494805), received ranibizumab injections at baseline and week 4, and thereafter according to prespecified criteria. Patients in the gene therapy group (n=21) received rAAV.sFLT-1 (1*1011vg). All patients were assessed every 4weeks to the week 52 primary endpoint. FINDINGS: Ocular adverse events (AEs) in the rAAV.sFLT-1 group were mainly procedure related and self-resolved. All 11 phakic patients in the rAAV.sFLT-1 group showed progression of cataract following vitrectomy. No systemic safety signals were observed and none of the serious AEs were associated with rAAV.sFLT-1. AAV2 capsid was not detected and rAAV.sFLT-1 DNA was detected transiently in the tears of 13 patients. ELISPOT analysis did not identify any notable changes in T-cell response. In the rAAV.sFLT-1 group 12 patients had neutralizing antibodies (nAb) to AAV2. There was no change in sFLT-1 levels in bodily fluids. In the rAAV.sFLT-1 group, Best Corrected Visual Acuity (BCVA) improved by a median of 1.0 (IQR: -3.0 to 9.0) Early Treatment Diabetic Retinopathy Study (ETDRS) letters from baseline compared to a median of -5.0 (IQR: -17.5 to 1.0) ETDRS letters change in the control group. Twelve (57%) patients in the rAAV.sFLT-1 group maintained or improved vision compared to 4 (36%) in the control group. The median number of ranibizumab retreatments was 2.0 (IQR: 1.0 to 6.0) for the gene therapy group compared to 4.0 (IQR: 3.5 to 4.0) for the control group. Interpretation rAAV.sFLT-1 combined with the option for co treatment appears to be a safe and promising approach to the treatment of wAMD. FUNDING: National Health and Medical Research Council of Australia (AP1010405), Lions Eye Institute, Perth Australia, Avalanche Biotechnologies, Menlo Pk, CA, USA. PMID- 27865767 TI - Neural stem cells promote nerve regeneration through IL12-induced Schwann cell differentiation. AB - Regeneration of injured peripheral nerves is a slow, complicated process that could be improved by implantation of neural stem cells (NSCs) or nerve conduit. Implantation of NSCs along with conduits promotes the regeneration of damaged nerve, likely because (i) conduit supports and guides axonal growth from one nerve stump to the other, while preventing fibrous tissue ingrowth and retaining neurotrophic factors; and (ii) implanted NSCs differentiate into Schwann cells and maintain a growth factor enriched microenvironment, which promotes nerve regeneration. In this study, we identified IL12p80 (homodimer of IL12p40) in the cell extracts of implanted nerve conduit combined with NSCs by using protein antibody array and Western blotting. Levels of IL12p80 in these conduits are 1.6 fold higher than those in conduits without NSCs. In the sciatic nerve injury mouse model, implantation of NSCs combined with nerve conduit and IL12p80 improves motor recovery and increases the diameter up to 4.5-fold, at the medial site of the regenerated nerve. In vitro study further revealed that IL12p80 stimulates the Schwann cell differentiation of mouse NSCs through the phosphorylation of signal transducer and activator of transcription 3 (Stat3). These results suggest that IL12p80 can trigger Schwann cell differentiation of mouse NSCs through Stat3 phosphorylation and enhance the functional recovery and the diameter of regenerated nerves in a mouse sciatic nerve injury model. PMID- 27865768 TI - Regulation of extrasynaptic signaling by polysialylated NCAM: Impact for synaptic plasticity and cognitive functions. AB - The activation of synaptic N-methyl-d-aspartate-receptors (NMDARs) is crucial for induction of synaptic plasticity and supports cell survival, whereas activation of extrasynaptic NMDARs inhibits long-term potentiation and triggers neurodegeneration. A soluble polysialylated form of the neural cell adhesion molecule (polySia-NCAM) suppresses signaling through peri-/extrasynaptic GluN2B containing NMDARs. Genetic or enzymatic manipulations blocking this mechanism result in impaired synaptic plasticity and learning, which could be repaired by reintroduction of polySia, or inhibition of either GluN1/GluN2B receptors or downstream signaling through RasGRF1 and p38 MAP kinase. Ectodomain shedding of NCAM, and hence generation of soluble NCAM, is controlled by metalloproteases of a disintegrin and metalloprotease (ADAM) family. As polySia-NCAM is predominantly associated with GABAergic interneurons in the prefrontal cortex, it is noteworthy that EphrinA5/EphA3-induced ADAM10 activity promotes polySia-NCAM shedding in these neurons. Thus, in addition to the well-known regulation of synaptic NMDARs by the secreted molecule Reelin, shed polySia-NCAM may restrain activation of extrasynaptic NMDARs. These data support a concept that GABAergic interneuron derived extracellular proteins control the balance in synaptic/extrasynaptic NMDAR-mediated signaling in principal cells. Strikingly, dysregulation of Reelin or polySia expression is linked to schizophrenia. Thus, targeting of the GABAergic interneuron-principle cell communication and restoring the balance in synaptic/extrasynaptic NMDARs represent promising strategies for treatment of psychiatric diseases. PMID- 27865769 TI - Discrepancies in the diagnosis and classification of nonsteroidal anti inflammatory drug hypersensitivity reactions in children. AB - BACKGROUND: Hypersensitivity to nonsteroidal anti-inflammatory drugs (NSAIDs) are frequently encountered in daily clinical practice. The aim of this study was to determine the confirmation rates, risk factors of NSAID hypersensitivity in children and to try to classify them with a standardized diagnostic protocol. METHODS: All patients with a suspicion of NSAID-induced hypersensitivity were evaluated with European Network for drug Allergy (ENDA) recommendations. The children were classified as selective responders (SRs) or cross-intolerant (CI) depending on the drug provocation test (DPT) results. RESULTS: We evaluated 106 children with a suspicion of NSAID hypersensitivity. NSAID hypersensitivity was confirmed with tests in 31 patients; 4 (12.9%) were diagnosed by skin tests and 27 (87.1%) by DPTs and two patients with a history of anaphylaxis by medical records. Eleven patients (33.3%) were classified as SRs, whereas twenty-two (66.6%) children as CIs. SRs and CIs were further classified as NSAID-induced urticaria/angioedema (n = 8), NSAID-exacerbated cutaneous disease (n = 6) and NSAID-exacerbated respiratory disease (n = 1) and single NSAID-induced urticaria/angioedema and/or anaphylaxis (n = 11). Eight (24.2%) patients could not be categorized according to ENDA/GA2LEN classification; one CI patient could not be classified based on pathomechanisms, seven CIs could not be categorized based on the underlying disease and clinical manifestations. A reaction within an hour of drug intake (aOR:3.0, 95% confidence interval: 1.18-7.67, p = 0.021), a history with multiple NSAIDs hypersensitivity (aOR:2.9, 95% confidence interval: 1.16-7.60, p = 0.022), and family history of atopy (aOR:4.0, 95% confidence interval: 1.50-10.82, p = 0.006) were found as the independent risk factors related to confirmed NSAID hypersensitivity. CONCLUSIONS: This study suggests the presence of different phenotypes which do not fit into the current classifications in children with NSAID hypersensitivity. PMID- 27865770 TI - Effect of lipid environment on amyloid fibril formation of human serum amyloid A. AB - Human serum amyloid A (SAA) is a precursor protein of AA amyloidosis and a component of high-density lipoproteins (HDLs), thus it is essential to investigate the amyloid fibril formation of SAA under a lipid environment. We used synthetic fragment peptides corresponding to the N-terminal (residues 1-27) and central (residues 43-63) regions of the SAA molecule, which are known to have amyloidogenic properties. Measurements of tryptophan fluorescence in conjunction with circular dichroism showed that SAA (1-27) peptide binds to neutral and acidic lysophospholipids, whereas SAA (43-63) peptide binds only to acidic lysophospholipids. For both these SAA peptides, binding to lysophospholipids inhibited heparin-induced amyloid-like fibril formation by stabilizing the alpha helical structure. However, acidic lysophospholipids implied a possibility to promote fibril formation of SAA (1-27) peptide by themselves. These results suggest that the amyloid fibril formation of SAA may be modulated by altering the lipid head group composition of HDLs during metabolism. PMID- 27865771 TI - Cholinergic activation affects the acute and chronic antinociceptive effects of morphine. AB - Current studies indicate that the cholinergic and opioid systems interact to modulate pain. In the present work, we investigated the influence of the cholinesterase inhibitors, donepezil (0.5; 1 or 3mg/kg, i.p.) and rivastigmine (0.03; 0.5 or 1mg/kg, i.p.), on the acute antinociceptive effects of morphine (5mg/kg, i.p.) in the hot plate test in mice. Herein, both inhibitors were found to enhance and prolong the analgesic effects of morphine without affecting latencies themselves. In an extension of this work, we determined which cholinergic receptors subtype mediates the enhancement of analgesic effects of morphine, following inhibition of cholinesterases. In this part of the study, scopolamine (0.5mg/kg, i.p.), a muscarinic cholinergic receptors antagonist, but not mecamylamine (3mg/kg, i.p.), a nicotinic cholinergic receptors antagonist, reversed the enhancing effects of donepezil (3mg/kg, i.p.) and rivastigmine (1mg/kg, i.p.) on the morphine antinociception. Moreover, both cholinesterase inhibitors attenuated the development of tolerance to the antinociceptive effects of morphine. In contrast, acute administration of donepezil (3mg/kg, i.p.) or rivastigmine (1mg/kg, i.p.) on the day of expression of tolerance, had no effect on the already developed morphine tolerance. What is more, in both set of experiments, rivastigmine was slightly more potent than donepezil due to the broader inhibitory spectrum of this drug on acetylcholine degradation. Thus, our results suggest that the cholinesterase inhibitors, donepezil and rivastigmine, may be administered with morphine in order to enhance the latter's analgesic effects for the treatment of acute and chronic pain. PMID- 27865772 TI - Kissing bugs can generalize and discriminate between different bitter compounds. AB - Animals make use of contact chemoreception structures to examine the quality of potential food sources. During this evaluation they can detect nutritious compounds that promote feeding and recognize toxins that trigger evasive behaviors. Although animals can easily distinguish between stimuli of different gustatory qualities (bitter, salty, sweet, etc.), their ability to discriminate between compounds of the same quality may be limited. Numerous plants produce alkaloids, compounds that elicit aversive behaviors in phytophagous insects and almost uniformly evoke a bitter taste for man. In hematophagous insects, however, the effect of feeding deterrent molecules has been barely studied. Recent studies showed that feeding in Rhodnius prolixus can be negatively modulated by the presence of alkaloids such as quinine (QUI) and caffeine (CAF), compounds that elicit similar aversive responses. Here, we applied associative and non associative learning paradigms to examine under two behavioral contexts the ability of R. prolixus to distinguish, discriminate and/or generalize between these two bitter compounds, QUI and CAF. Our results show that bugs innately repelled by bitter compounds can change their behavior from avoidance to indifference or even to preference according to their previous experiences. After an aversive operant conditioning with QUI or CAF, R. prolixus modified its behavior in a direct but also in a cross-compound manner, suggesting the occurrence of a generalization process between these two alkaloids. Conversely, after a long pre-exposure to each alkaloid, bugs decreased their avoidance to the compound used during pre-exposure but still expressed an avoidance of the novel compound, proving that QUI and CAF are detected separately. Our results suggest that R. prolixus is able to discriminate between QUI and CAF, although after an associative conditioning they express a symmetrical cross-generalization. This kind of studies adds insight into the gustatory sense of a blood-sucking model but also into the learning abilities of hematophagous insects. PMID- 27865773 TI - Particulate suspension effect on peristaltically induced unsteady pulsatile flow in a narrow artery: Blood flow model. AB - This work is concerned with theoretically investigating the pulsatile flow of a fluid with suspended particles in a flow driven by peristaltic waves that deform the wall of a small blood artery in the shape of traveling sinusoidal waves with constant velocity. The problem formulation in the wave frame of reference is presented and the governing equations are developed up to the second-order in terms of the asymptotic expansion of Womersley number which characterizes the unsteady effect in the wave frame. We suppose that the flow rate imposed, in this frame, is a function versus time. The analytical solution of the problem is achieved using the long wavelength approximation where Reynolds number is considered small with reference to the blood flow in the circulatory system. The present study inspects novelties brought about into the classic peristaltic mechanism by the inclusion of Womersley number, and the critical values of concentration and occlusion on the flow characteristics in a small artery with flexible walls. Momentum and mass equations for the fluid and particle phases are solved by means of a perturbation analysis in which the occlusion is a small parameter. Closed form solutions are obtained for the fluid/particle velocity distributions, stream function, pressure rise, friction force, wall shear stress, instantaneous mechanical efficiency, and time-averaged mechanical efficiency. The physical explanation of the Segre-Silberberg effect is introduced and the trapping phenomenon of plasma for haemodilution and haemoconcentration cases is discussed. It has been deduced that the width of the closed plasma streamlines is increased while their number is minimally reduced in case of haemoconcentration. This mathematical problem has numerous applications in various branches in science including blood flow in small blood vessels. Several results of other models can be deduced as limiting cases of our situation. PMID- 27865774 TI - A systems toxicology approach for comparative assessment: Biological impact of an aerosol from a candidate modified-risk tobacco product and cigarette smoke on human organotypic bronchial epithelial cultures. AB - This study reports a comparative assessment of the biological impact of a heated tobacco aerosol from the tobacco heating system (THS) 2.2 and smoke from a combustible 3R4F cigarette. Human organotypic bronchial epithelial cultures were exposed to an aerosol from THS2.2 (a candidate modified-risk tobacco product) or 3R4F smoke at similar nicotine concentrations. A systems toxicology approach was applied to enable a comprehensive exposure impact assessment. Culture histology, cytotoxicity, secreted pro-inflammatory mediators, ciliary beating, and genome wide mRNA/miRNA profiles were assessed at various time points post-exposure. Series of experimental repetitions were conducted to increase the robustness of the assessment. At similar nicotine concentrations, THS2.2 aerosol elicited lower cytotoxicity compared with 3R4F smoke. No morphological change was observed following exposure to THS2.2 aerosol, even at nicotine concentration three times that of 3R4F smoke. Lower levels of secreted mediators and fewer miRNA alterations were observed following exposure to THS2.2 aerosol than following 3R4F smoke. Based on the computational analysis of the gene expression changes, 3R4F (0.13 mg nicotine/L) elicited the highest biological impact (100%) in the context of Cell Fate, Cell Proliferation, Cell Stress, and Inflammatory Network Models at 4 h post-exposure. Whereas, the corresponding impact of THS2.2 (0.14 mg nicotine/L) was 7.6%. PMID- 27865775 TI - Epidemiology and outcomes from out-of-hospital cardiac arrests in England. AB - INTRODUCTION: This study reports the epidemiology and outcomes from out-of hospital cardiac arrest (OHCA) in England during 2014. METHODS: Prospective observational study from the national OHCA registry. The incidence, demographic and outcomes of patients who were treated for an OHCA between 1st January 2014 and 31st December 2014 in 10 English ambulance service (EMS) regions, serving a population of almost 54 million, are reported in accordance with Utstein recommendations. RESULTS: 28,729 OHCA cases of EMS treated cardiac arrests were reported (53 per 100,000 of resident population). The mean age was 68.6 (SD=19.6) years and 41.3% were female. Most (83%) occurred in a place of residence, 52.7% were witnessed by either the EMS or a bystander. In non-EMS witnessed cases, 55.2% received bystander CPR whilst public access defibrillation was used rarely (2.3%). Cardiac aetiology was the leading cause of cardiac arrest (60.9%). The initial rhythm was asystole in 42.4% of all cases and was shockable (VF or pVT) in 20.6%. Return of spontaneous circulation at hospital transfer was evident in 25.8% (n=6302) and survival to hospital discharge was 7.9%. CONCLUSION: Cardiac arrest is an important cause of death in England. With less than one in ten patients surviving, there is scope to improve outcomes. Survival rates were highest amongst those who received bystander CPR and public access defibrillation. PMID- 27865776 TI - Post-cardiac arrest shock treated with veno-arterial extracorporeal membrane oxygenation: An observational study and propensity-score analysis. AB - PURPOSE: Cardiogenic shock due to post-resuscitation myocardial dysfunction is a major cause of mortality among patients hospitalized after cardiac arrest (CA). Veno-arterial extracorporeal membrane oxygenation (VA-ECMO) has been proposed in the most severe cases but the level of evidence is very low. We assessed characteristics, outcome and prognostic factors of patients treated with VA-ECMO for post-CA shock. METHODS: Using a large regional registry, we focused on all CA admitted in ICU. Among those who developed a post-CA shock, prognostic was compared according to VA-ECMO use, using logistic regression and propensity score. Specific prognostic factors were identified among VA-ECMO patients. RESULTS: Among 2988 patients admitted after CA, 1489 developed a post-CA shock, and were included. They were mostly male (68%), with mean age 63 years (SD=15). Fiflty-two patients (3.5%) were treated with VA-ECMO, mostly patients with ischemic cause of CA (67%). Among patients with post-CA shock, 312 (21%) were discharged alive (25% in VA-ECMO group, 21% in control group, P=0.45). After adjustment for pre-hospital and in-hospital factors, survival did not differ among patients treated with VA-ECMO (OR for survival=0.9, 95%CI 0.4-2.3, P=0.84). After propensity-score matching, results were consistent. Among patients treated with VA-ECMO, initial arterial pH (OR=1.7 per 0.1 increase, 95%CI 1.0-2.8, P=0.04) and implantation of VA-ECMO over 24h after ROSC (OR=20.0, 95%CI 1.4 277.3, P=0.03) were associated with survival. CONCLUSIONS: Post-CA shock is frequent and is associated with a high mortality rate. When used in selected patients, we observed that VA-ECMO could be an appropriate treatment. PMID- 27865777 TI - Making health systems research work: time to shift funding to locally-led research in the South. PMID- 27865778 TI - Curcumin inhibits glial scar formation by suppressing astrocyte-induced inflammation and fibrosis in vitro and in vivo. AB - Spinal cord injury (SCI) leads to glial scar formation by astrocytes, which severely hinders neural regeneration. Curcumin (cur) can inhibit glial scar formation, but the underlying mechanism is not fully understood. Using both in vivo and in vitro experiments, the current study investigated the phenotypic transformation of astrocytes following cur and siRNA intervention during the processes of inflammation and fibrosis and determined details of the relationship between cur treatment and the glial scar components GFAP and CSPG. We found that cur and NF-kappab p65 siRNA could inhibit astrocyte activation through suppressing NF-kappab signaling pathway, which led to down-regulate the expression of chemokines MCP-1, RANTES and CXCL10 released by astrocytes and decreased macrophage and T-cell infiltration, thus reducing the inflammation in the glial scar. In addition, silencing SOX-9 may reduce the deposition of extracellular matrix CSPG; whereas its over-expression could increase the CSPG expression. Cur suppressedSOX-9-inducedCSPG deposition, reduced alpha-SMA (an important symbol of fibrosis) expression in astrocytes, altered astrocyte phenotype, and inhibited glial scar formation by regulating fibrosis. This study confirmed that cur could regulate both the NF-kappab and SOX9 signaling pathways and reduce the expression of intracellular and extracellular glial scar components through dual-target regulating both inflammation and fibrosis after SCI in the rat. This study provides an important hypothesis centered on the dual inhibition of intracellular and extracellular glial scar components as a treatment strategy for SCI. PMID- 27865781 TI - Imaging Transcriptional Regulation of Eukaryotic mRNA Genes: Advances and Outlook. AB - Regulation of eukaryotic transcription in vivo occurs at distinct stages. Previous research has identified many active or repressive transcription factors (TFs) and core transcription components and studied their functions in vitro and in vivo. Nonetheless, how individual TFs act in concert to regulate mRNA gene expression in a single cell remains poorly understood. Direct observation of TF assembly and disassembly and various biochemical reactions during transcription of a single-copy gene in vivo is the ideal approach to study this problem. Research in this area requires developing novel techniques for single-cell transcription imaging and integrating imaging studies into understanding the molecular biology of transcription. In the past decade, advanced cell imaging has enabled unprecedented capabilities to visualize individual TF molecules, to track single transcription sites, and to detect individual mRNA in fixed and living cells. These studies have raised several novel insights on transcriptional regulation such as the "hit-and-run" model and transcription bursting that could not be obtained by in vitro biochemistry analysis. At this point, the key question is how to achieve deeper understandings or discover novel mechanisms of eukaryotic transcriptional regulation by imaging transcription in single cells. Meanwhile, further technical advancements are likely required for visualizing distinct kinetic steps of transcription on a single-copy gene in vivo. This review article summarizes recent progress in the field and describes the challenges and opportunities ahead. PMID- 27865782 TI - Application of nano-LC-MALDI-TOF/TOF-MS for proteomic analysis of microvesicles. AB - Activated platelets and platelet derived microvesicles (PMVs) emerged recently to be promising biomarkers. There is no universal procedure to carry out the proteomic analysis on microvesicles. In this study we proposed a nano-liquid chromatography (nano-LC) technique coupled off-line with a spectrometric measurement MALDI-TOF-MS/MS as a throughput and time-saving procedure. In this study we developed a simplified method to evaluate the protein composition of platelet organelles and PMVs. Platelet-rich plasma (PRP) was collected from healthy donors. PMVs were generated from washed and thrombin activated platelets. Activated platelets from every donor were used to compare the PMV proteome. Enzymatic digestion of protein lysate was carried out using Filter Aided Sample Preparation (FASP) method with trypsin as a proteolytic enzyme. Tryptic peptides derived from PMVs and activated platelets were analysed using nano-LC coupled off line mode with a MALDI-TOF/TOF-MS. PMV and platelet protein identification was performed using the Mascot engine for searching against the Swiss-Prot human database. The precision tolerance was 100ppm for peptide masses and 0.7Da for fragment ion masses. Individual peptide matches with a score above 28 were considered statistically significant. In total, 446 proteins were identified in PMVs and 513 proteins in activated platelets. Among them 190 were specific for activated platelets and 123 were PMV specific. Cellular component analysis of identified proteins revealed that PMVs contained relatively more extracellular proteins than activated platelets (9.6 vs. 6.0 %) and unique synaptic proteins (0.3%). A new simplified bottom-up method for PMV proteome analysis allowed eliminating the drawbacks of the previously used protocols. This approach can be used in PMV proteome identification. PMID- 27865783 TI - The modulation of inflammatory parameters, Brain-derived neurotrophic factor levels and global histone H4 acetylation status in peripheral blood of patients with Gaucher disease type 1. AB - OBJECTIVES: Gaucher's disease type 1 (GD1) pathophysiology includes an imbalance on brain-derived neurotrophic factor (BDNF) levels and in the inflammatory system. However, the pathways involved remain poorly understood. The hypothesis of this study is that epigenetic mechanisms might be involved, at least partially, in this phenomenon. DESIGN AND METHODS: This study investigated the BDNF modulation, global histone H4 acetylation and pro- and anti-inflammatory cytokines levels in the peripheral blood of GD1 patients (n=10) when compared with control samples (CS) (n=11). RESULTS: The results showed a significant increase in Chitotriosidase (CT) (p=0.019) and decreased beta-glucosidase (GBA) activities (p=0.001) in GD1 samples when compared to CS, for GD1 diagnostic confirmation. Reduced levels of BDNF (p=0.004) and elevated levels of TNF-alpha (p=0.017) and IL-4 (p=0.035) were also found in the GD group. No significant differences were observed in IL-6 or IL-17a levels between groups (p>0.05). Finally, a trend on higher global histone H4 acetylation levels (p=0.054) was observed in the control group when compared to GD1 individuals. CONCLUSIONS: Combined, these results suggest inflammatory cytokines imbalance, reduced BDNF levels and global histone H4 hypoacetylation status in GD type 1 physiopathology. These preliminary findings may open new avenues to introduce therapies and strategies in the preventive management and treatment of this population. PMID- 27865780 TI - RasIns: Genetically Encoded Intrabodies of Activated Ras Proteins. AB - K- and H-Ras are the most commonly mutated genes in human tumors and are critical for conferring and maintaining the oncogenic phenotype in tumors with poor prognoses. Here, we design genetically encoded antibody-like ligands (intrabodies) that recognize active, GTP-bound K- and H-Ras. These ligands, which use the 10th domain of human fibronectin as their scaffold, are stable inside the cells and when fused with a fluorescent protein label, the constitutively active G12V mutant H-Ras. Primary selection of ligands against Ras with mRNA display resulted in an intrabody (termed RasIn1) that binds with a KD of 2.1MUM to H Ras(G12V) (GTP), excellent state selectivity, and remarkable specificity for K- and H-Ras. RasIn1 recognizes residues in the Switch I region of Ras, similar to Raf-RBD, and competes with Raf-RBD for binding. An affinity maturation selection based on RasIn1 resulted in RasIn2, which binds with a KD of 120nM and also retains excellent state selectivity. Both of these intrabodies colocalize with H Ras, K-Ras, and G12V mutants inside the cells, providing new potential tools to monitor and modulate Ras-mediated signaling. Finally, RasIn1 and Rasin2 both display selectivity for the G12V mutants as compared with wild-type Ras providing a potential route for mutant selective recognition of Ras. PMID- 27865779 TI - Impairment of neurovascular coupling in Type 1 Diabetes Mellitus in rats is prevented by pancreatic islet transplantation and reversed by a semi-selective PKC inhibitor. AB - Streptozotocin (STZ)-induced chronic hyperglycemia has a detrimental effect on neurovascular coupling, linked to increased PKC-mediated phosphorylation and PKC isoform expression changes. Here, we sought to determine whether: 1) selective PKC-alpha/beta/gamma inhibitor, GF109203X, could reverse the effects of chronic hyperglycemia on cerebrovascular reactivity; 2) pancreatic islet transplantation could prevent the development of cerebrovascular impairment seen in a rat model of Type 1 Diabetes. We studied the effect of GF109203X in diabetic (DM), non diabetic (ND), and transplanted (TR) Lewis rats during either sciatic nerve stimulation (SNS) or the topical applications of the large-conductance Ca2+ operated K+(BKCa) channel opener, NS1619, or the K+ inward rectifier (Kir) channel agonist, KCl. Pial arteriole diameter changes were monitored using a closed cranial window in vivo microscopy technique. The pial arteriole dilatory response associated with SNS was decreased by ~45%, when comparing DM vs either ND or TR rats. Also, pial arteriolar dilations to topical KCl and NS1619 were largely attenuated in DM rats, but not in ND or TR animals. These responses were completely restored by the acute application of GF109203X to the brain surface. The PKC inhibitor had no effect on vascular responses in normoglycemic and TR animals. In conclusion, DM-associated chronic impairment of neurovascular coupling may be readily reversed by a PKC-alpha/beta/gamma inhibitor or prevented via pancreatic islet transplantation. We believe that specific PCK isoforms (alpha/beta/gamma) are mechanistically linked to the neurovascular uncoupling seen with hyperglycemia. PMID- 27865784 TI - A Comparison of Cell-Free DNA Isolation Kits: Isolation and Quantification of Cell-Free DNA in Plasma. AB - The analysis of cell-free DNA (cfDNA) as a sensitive biomarker for cancer diagnosis and monitoring has resulted in a need for efficient and standardized cfDNA isolation. In this study, we compared the isolation efficiency of the QIAamp circulating nucleic acid kit (QIA) with four other cfDNA isolation kits: the PME free-circulating DNA Extraction Kit (PME), the Maxwell RSC ccfDNA Plasma Kit (RSC), the EpiQuick Circulating Cell-Free DNA Isolation Kit (EQ), and two consecutive versions of the NEXTprep-Mag cfDNA Isolation Kit (NpMV1/2). cfDNA was isolated from 10 plasma samples, of which five contained KRAS mutated cell-free tumor DNA (ctDNA). Digital droplet PCR was used to quantify the total cfDNA concentration as well as the KRAS mutated ctDNA fraction. cfDNA integrity was assessed with real-time quantitative PCR. The QIA and the RSC kits displayed similar isolation efficiencies of both KRAS mutated ctDNA and nonmutated cfDNA, whereas the yield generated by the PME and NpMV2 kits was significantly lower. Real-time quantitative PCR indicated the presence of digital droplet PCR inhibiting agents in the eluates of the NpMV1 and EQ kits. To conclude, this study presents two highly efficient isolation kits for cfDNA isolation, of which the RSC kit has the advantage of a fully automated protocol over the labor intensive QIA kit. PMID- 27865785 TI - Dnmt1, Dnmt3a and Dnmt3b cooperate in photoreceptor and outer plexiform layer development in the mammalian retina. AB - Characterizing the role of epigenetic regulation in the mammalian retina is critical for understanding fundamental mechanisms of retinal development and disease. DNA methylation, an epigenetic modifier of genomic DNA, plays an important role in modulating networks of tissue and cell-specific gene expression. However, the impact of DNA methylation on retinal development and homeostasis of retinal neurons remains unclear. Here, we have created a tissue specific DNA methyltransferase (Dnmt) triple mutant mouse in an effort to characterize the impact of DNA methylation on retinal development and homeostasis. An Rx-Cre transgene was used to drive targeted mutation of all three murine Dnmt genes in the mouse retina encoding major DNA methylation enzymes DNMT1, DNMT3A and DNMT3B. The triple mutant mice represent a hypomorph model since Dnmt1 catalytic activity was still present and excision of Dnmt3a and Dnmt3b had only about 90% efficiency. Mutation of all three Dnmts resulted in global genomic hypomethylation and dramatic reorganization of the photoreceptor and synaptic layers within retina. Transcriptome and proteomic analyses demonstrated enrichment of dysregulated phototransduction and synaptic genes. The 5 mC signal in triple mutant retina was confined to the central heterochromatin but reduced in the peripheral heterochromatin region of photoreceptor nuclei. In addition, we found a reduction of the 5 mC signal in ganglion cell nuclei. Collectively, this data suggests cooperation of all three Dnmts in the formation and homeostasis of photoreceptors and other retinal neurons within the mammalian retina, and highlight the relevance of epigenetic regulation to sensory retinal disorders and vision loss. PMID- 27865786 TI - Human Connectomics across the Life Span. AB - Connectomics has enhanced our understanding of neurocognitive development and decline by the integration of network sciences into studies across different stages of the human life span. However, these studies commonly occurred independently, missing the opportunity to test integrated models of the dynamical brain organization across the entire life span. In this review article, we survey empirical findings in life-span connectomics and propose a generative framework for computationally modeling the connectome over the human life span. This framework highlights initial findings that across the life span, the human connectome gradually shifts from an 'anatomically driven' organization to one that is more 'topological'. Finally, we consider recent advances that are promising to provide an integrative and systems perspective of human brain plasticity as well as underscore the pitfalls and challenges. PMID- 27865787 TI - The Emerging Social Neuroscience of Justice Motivation. AB - Humans from a very early age are deeply sensitive to issues of justice and fairness, both in their own lives and in the lives of others. Most people are highly motivated to pursue justice and condemn injustice. Where does this concern for justice come from? Here we integrate findings in evolution, development, psychology, behavioral economics, and social neuroscience to highlight multiple potential drivers of justice motivation. We argue that justice motivation arises from complementary rapid heuristics and deliberation, each utilizing distinct and interacting neural circuitry. This framework is useful for explaining observed symmetries and asymmetries in responses to experiencing or observing injustice and may help to explain why individuals vary in their responses to injustice. PMID- 27865790 TI - Maxillomandibular Advancement Surgery for Patients Who Are Refractory to Continuous Positive Airway Pressure: Are There Predictors of Success? AB - PURPOSE: This pilot study was conducted to determine the effectiveness of maxillomandibular advancement (MMA) in the treatment of patients with moderate to severe obstructive sleep apnea (OSA). The predictive value of clinical, radiographic, and treatment-related variables also was investigated in relation to the success or failure of MMA as treatment for OSA. MATERIALS AND METHODS: A retrospective study design was used to assess the outcomes of MMA in patients with moderate to severe OSA (apnea hypopnea index [AHI] >15 events per hour) at the University of Michigan (Ann Arbor, MI). Data collected included clinical, radiographic, and polysomnographic findings. Primary outcomes of interest included the AHI, minimal oxygen saturation, and percentage of time spent with oxygen saturation lower than 88% as measured by polysomnography. RESULTS: Twenty patients met the inclusion criteria for the study (mean age, 48.8 +/- 12.3 yr). Mean body mass index decreased from 32.03 +/- 5.13 kg/m2 at baseline to 29.75 +/- 5.23 kg/m2 at follow-up (P = .001). Mean advancements were 13.5 +/- 2.7 mm at point B and 16.1 +/- 4.5 mm at the pogonion. A 4.5-fold increase in minimal cross sectional area and a 2.2-fold increase in airway volume were achieved on average. Patients showed a 68.5% decrease in mean AHI from 49.4 to 15.6 events per hour (P < .001). The percentage of time with oxygen saturation lower than 88% was significantly decreased from 15.4% at baseline to 1.4% after surgery (P = .014). The overall surgical success rate was 55% (11 of 20) based on an AHI of fewer than 15 events per hour. CONCLUSIONS: These preliminary results indicate that MMA surgery might be highly effective for select patients with moderate to severe OSA. Despite large increases in airway dimensions, a surgical success rate of 55% was achieved in the overall sample. Assessment of predictive variables for success and failure are discussed. PMID- 27865788 TI - Testosterone and immune-reproductive tradeoffs in healthy women. AB - Although testosterone (T) has been characterized as universally immunosuppressive across species and sexes, recent ecoimmunology research suggests that T's immunomodulatory effects (enhancing/suppressing) depend on the organism's reproductive context. Very little is known about the immune effects of T in healthy females, and even less about how reproductive effort modulates the immune effects of T in humans. We investigated how the interaction between endogenous T and sexual activity predicted menstrual cycle-related changes in several measures of immunity: inflammation (indexed by interleukin-6, IL-6), adaptive immunity (indexed by immunoglobulin A, IgA), and functional immunity (indexed by bactericidal assay). Thirty-two healthy women (sexually abstinent, N=17; sexually active with one male partner, N=15) provided saliva samples at four points in the menstrual cycle: menses, follicular, ovulation, and luteal phases. Among sexually abstinent women, T was positively associated with IL-6 across the cycle; for sexually active women, however, T was positively associated with IL-6 in the luteal phase only, and negatively associated with IL-6 at ovulation. High T predicted higher IgA among women who reported infrequent intercourse, but lower IgA among women who reported very frequent intercourse. Finally, across groups, T was positively associated with greater bacterial killing at menses, but negatively associated in the luteal phase. Overall, rather than being universally immunosuppressive, T appeared to signal immunomodulation relevant to reproduction (e.g., lowering inflammation at ovulation, potentially preventing immune interference with conception). Our findings support the hypothesis that the immunomodulatory effects of endogenous T in healthy females depend on sexual and reproductive context. PMID- 27865789 TI - Anoxia ameliorates the dexamethasone-induced neurobehavioral alterations in the neonatal male rat pups. AB - Glucocorticoids and hypoxia are two essential factors affecting the brain development during labor and delivery. In addition to the neurobehavioral alterations induced separately by these factors, glucocorticoids can attenuate the deleterious consequences of severe hypoxia-ischemia on the brain development, acting as a neuroprotective agent in combination with hypoxia. The role of hypoxia in the combined action with corticosteroids is less clear. Severe hypoxia ischemia results in the massive activation of caspase-3, masking any other effects of hypoxia on the neonatal brain exposed to glucocorticoids. As a result, the effects of mild hypoxia on the developing brain pretreated with glucocorticoids remain unclear. To analyze this problem, 2-day-old male rats were treated with dexamethasone (DEX) before the subsequent exposure to mild 10-min anoxia or normoxia. The treatment with only DEX resulted in the delay in the development of the negative geotaxis reaction and in the decrease in locomotor activity of the neonatal male pups. The mild anoxic event attenuated these DEX induced neurobehavioral alterations. The treatment with DEX, but not the mild anoxic exposure alone, resulted in the delayed upregulation of active caspase-3 in the prefrontal cortex and in the brainstem of the male pups. This glucocorticoid-induced upregulation of active caspase-3 was prevented by the anoxic event. The present findings evidence that mild anoxia is capable of ameliorating the glucocorticoid-induced neurodevelopmental alterations in the neonatal rats if the artificial or the naturally occurring increase in the levels of glucocorticoids occurred just before the episode of hypoxia. PMID- 27865791 TI - Efficacy of 2 Representative Topical Agents to Prevent Keloid Recurrence After Surgical Excision. AB - PURPOSE: Keloids are difficult to remove successfully and there is no universally accepted treatment. After surgical excision of the keloid, there are various management methods for prevention of keloid recurrence, such as intralesional injection, radiation, and topical agents. A few studies have compared topical agents with other treatments. The aim of this study was to investigate effective topical agents for the prevention of recurrent keloid after surgical excision. MATERIALS AND METHODS: Eligible articles were sought using core databases, including Medline, Embase, and Cochrane databases, up to April 2016. The predictor variables were mitomycin C (MC) and imiquimod cream treatment after keloid excision. The outcome variable was keloid recurrence rate. RESULTS: The search strategy identified 120 publications. After screening, 9 articles were selected for review. Articles were divided into 2 groups: MC and imiquimod cream. The recurrence rate after surgical excision in the MC group was estimated to be 16.5%, and that in the imiquimod cream group was estimated to be 24.7%. CONCLUSION: If intralesional injection or radiation is not available, then MC or imiquimod 5% cream could be an effective alternative in preventing keloid recurrence. PMID- 27865792 TI - A quantitative proteomic screen of the Campylobacter jejuni flagellar-dependent secretome. AB - : Campylobacter jejuni is the leading cause of bacterial gastroenteritis in the world. A number of factors are believed to contribute to the ability of C. jejuni to cause disease within the human host including the secretion of non-flagellar proteins via the flagellar type III secretion system (FT3SS). Here for the first time we have utilised quantitative proteomics using stable isotope labelling by amino acids in cell culture (SILAC), and label-free liquid chromatography-mass spectrometry (LC/MS), to compare supernatant samples from C. jejuni M1 wild type and flagella-deficient (flgG mutant) strains to identify putative novel proteins secreted via the FT3SS. Genes encoding proteins that were candidates for flagellar secretion, derived from the LC/MS and SILAC datasets, were deleted. Infection of human CACO-2 tissue culture cells using these mutants resulted in the identification of novel genes required for interactions with these cells. This work has shown for the first time that both CJM1_0791 and CJM1_0395 are dependent on the flagellum for their presence in supernatants from C. jejuni stains M1 and 81-176. BIOLOGICAL SIGNIFICANCE: This study provides the most complete description of the Campylobac er jejuni secretome to date. SILAC and label-free proteomics comparing mutants with or without flagella have resulted in the identification of two C. jejuni proteins that are dependent on flagella for their export from the bacterial cell. PMID- 27865793 TI - Multiplexed mass spectrometry monitoring of biomarker candidates for osteoarthritis. AB - : The methods currently available for the diagnosis and monitoring of osteoarthritis (OA) are very limited and lack sensitivity. Being the most prevalent rheumatic disease, one of the most disabling pathologies worldwide and currently untreatable, there is a considerable interest pointed in the verification of specific biological markers for improving its diagnosis and disease progression studies. Considering the remarkable development of targeted proteomics methodologies in the frame of the Human Proteome Project, the aim of this work was to develop and apply a MRM-based method for the multiplexed analysis of a panel of 6 biomarker candidates for OA encoded by the Chromosome 16, and another 8 proteins identified in previous shotgun studies as related with this pathology, in specimens derived from the human joint and serum. The method, targeting 35 different peptides, was applied to samples from human articular chondrocytes, healthy and osteoarthritic cartilage, synovial fluid and serum. Subsequently, a verification analysis of the biomarker value of these proteins was performed by single point measurements on a set of 116 serum samples, leading to the identification of increased amounts of Haptoglobin and von Willebrand Factor in OA patients. Altogether, the present work provides a tool for the multiplexed monitoring of 14 biomarker candidates for OA, and verifies for the first time the increased amount of two of these circulating markers in patients diagnosed with this disease. SIGNIFICANCE: We have developed an MRM method for the identification and relative quantification of a panel of 14 protein biomarker candidates for osteoarthritis. This method has been applied to analyze human articular chondrocytes, articular cartilage, synovial fluid, and finally a collection of 116 serum samples from healthy controls and patients suffering different degrees of osteoarthritis, in order to verify the biomarker usefulness of the candidates. HPT and VWF were validated as increased in OA patients. PMID- 27865794 TI - Mutations of cancer-related genes in benign tumors: the example of hidradenoma papilliferum. PMID- 27865795 TI - Hepatic angiomyolipomas may overexpress TFE3, but have no relevant genetic alterations. AB - The fusion or amplification of TFE3 has been identified as one of the molecular events underlying tumorigenesis in perivascular epithelioid cell tumors (PEComas). TFE3 rearrangements in PEComas are related to the morphological features of the epithelioid appearance and weaker expression of immunohistochemical muscular markers. This study aimed to clarify whether these genetic alterations are involved in hepatic angiomyolipomas (AMLs), which are a member of the PEComa tumor family. We examined 28 liver specimens (15 biopsies and 13 surgical specimens) of hepatic AMLs obtained from 26 patients. Renal AMLs (n=20), extrahepatorenal PEComas (n=3), lymphangiomyomatosis (n=8), and hepatocellular carcinomas (n=40) were used as a control. A histologic comparison between hepatic and renal AMLs revealed that the epithelioid appearance was more common in hepatic tumors (38% versus 0%, P=.006). In immunohistochemistry, the expression of HMB45 and Melan-A appeared to be more widespread in hepatic AMLs than in renal AMLs, whereas smooth muscle actin and desmin were less broadly expressed in hepatic tumors (all P<.001). TFE3 also appeared to be overexpressed in 6 (21%) of 26 hepatic AMLs and 3 (100%) of 3 PEComas, but in none of the renal AMLs. In fluorescence in situ hybridization, although all PEComas harbored a TFE3 rearrangement or amplification, no genetic alterations were found in any hepatic AMLs. In conclusion, although hepatic AMLs and TFE3-rearranged PEComas share pathological features such as the epithelioid appearance and immunoreactivity to TFE3, TFE3 alterations are less likely to be a major molecular event driving tumorigenesis in hepatic AMLs. PMID- 27865796 TI - Bletilla striata: Medicinal uses, phytochemistry and pharmacological activities. AB - ETHNOPHARMACOLOGICAL RELEVANCE: Bletilla striata (Thunb.) Reichb. f. (Orchidaceae), also known as Hyacinth Orchid and Baiji (Simplified Chinese: ), not only has been widely used for the treatment of hematemesis, hemoptysis, and traumatic bleeding due to the efficacy of arresting bleeding with astringent action, but also has been applied topically to overcome ulcers, sores, swellings, and chapped skin due to the efficacy of dispersing swelling and promoting tissue regeneration. Additional medical applications include the treatment of tuberculosis, malignant ulcers, hemorrhoids, anthrax, eye diseases, and silicosis. AIM OF THIS REVIEW: This review aims to provide up-to-date information on the botanical characterization, medicinal uses, chemical constituents, pharmacological activities, and toxicity of B. striata. In addition, this paper also focuses on the possible exploitation of this plant for the treatment of different diseases, and uncovers opportunities for future research. MATERIALS AND METHODS: The relevant information on B. striata was gathered from worldwide accepted scientific databases via an electronic search (Google Scholar, Web of Science, ScienceDirect, ACS Publications, PubMed, Wiley Online Library, SciFinder, CNKI). Information was also obtained from The Plant List, Chinese pharmacopoeia, Chinese herbal classics books, PhD and MSc dissertations, etc. RESULTS: A comprehensive analysis of the literature obtained through the above mentioned sources confirmed that the ethnomedical usages of B. striata have been recorded in Mongolia, Korea, Japan, and China. Phytochemical investigations revealed that the major chemical constituents of B. striata are polysaccharides, bibenzyls, phenanthrenes, triterpenoids and its saponins, steroids and its saponins, which also have been proven to be the main bioactive substances capable of exhibiting numerous pharmacological activities including wound healing, antiulcer, hemostasis, cytotoxicity, antimicrobial, anti-inflammation, anti oxidation, immunomodulation, anti-fibrosis, antiaging, anti-allergy, and anti itch. CONCLUSIONS: Preliminary investigations on pharmacological properties of B. striata have shown that B. striata is an outstanding astringent hemostatic medicinal, B. striata polysaccharides (BSP) as the major bioactive components not only capable of promoting wound healing, but also show good performance as a kind of promising natural biomaterial. More importantly, BSP are also reported to be excellent embolic material. However, further investigations need to be carried out to fully clarify its efficacy of dispersing swelling and promoting tissue regeneration. Moreover, this plant also needs a lot more investigations to clarify the pathways of absorption, distribution, metabolism and excretion, and to evaluate its long-term in vivo chronic toxicity before proceeding to the development of pharmaceutical formulation. PMID- 27865797 TI - Radboud Centre for Mitochondrial Medicine Pediatric MRI score. AB - We developed the first user-friendly, semi-quantitative, and quick-to-perform Radboud Centre for Mitochondrial Medicine Pediatric MRI score (RCMM-PMRIS), focusing on the six most commonly described neuroimaging abnormalities in the literature. The RCMM-PMRIS was validated through individual review of 30 sets of brain MRI studies in 24 patients with genetically confirmed mitochondrial disorders by six raters. The application of RCMM-PMRIS can help to define the extent of the brain involvement and therefore to assess the radiological mitochondrial disease severity, to monitor disease progression and consequently to act as an outcome measure for treatment effects in patients with mitochondrial disease. PMID- 27865800 TI - Action observation and motor imagery for rehabilitation in Parkinson's disease: A systematic review and an integrative hypothesis. AB - This article discusses recent evidence supporting the use of action observation therapy and motor imagery practice for rehabilitation of Parkinson's disease. A main question that emerges from the review regards the different effectiveness of these approaches and the possibility of integrating them into a single method to enhance motor behaviour in subjects with Parkinson's disease. In particular, the reviewed studies suggest that action observation therapy can have a positive effect on motor facilitation of patients and that a long-term rehabilitation program based on action observation therapy or motor imagery practice can bring some benefit on their motor recovery. Moreover, the paper discusses how the research on the combined use of action observation and motor imagery for motor improvements in healthy subjects may encourage the combined use of action observation therapy and motor imagery practice for therapeutic aims in Parkinson's disease. To date, this hypothesis has never been experimented. PMID- 27865798 TI - Adoptive transfer of ex vivo expanded Vgamma9Vdelta2 T cells in combination with zoledronic acid inhibits cancer growth and limits osteolysis in a murine model of osteolytic breast cancer. AB - Bone metastases occur in over 75% of patients with advanced breast cancer and are responsible for high levels of morbidity and mortality. In this study, ex vivo expanded cytotoxic Vgamma9Vdelta2 T cells isolated from human peripheral blood were tested for their anti-cancer efficacy in combination with zoledronic acid (ZOL), using a mouse model of osteolytic breast cancer. In vitro, expanded Vgamma9Vdelta2 T cells were cytotoxic against a panel of human breast cancer cell lines, and ZOL pre-treatment further sensitised breast cancer cells to killing by Vgamma9Vdelta2 T cells. Vgamma9Vdelta2 T cells adoptively transferred into NOD/SCID mice localised to osteolytic breast cancer lesions in the bone, and multiple infusions of Vgamma9Vdelta2 T cells reduced tumour growth in the bone. ZOL pre-treatment potentiated the anti-cancer efficacy of Vgamma9Vdelta2 T cells, with mice showing further reductions in tumour burden. Mice treated with the combination also had reduced tumour burden of secondary pulmonary metastases, and decreased bone degradation. Our data suggests that adoptive transfer of Vgamma9Vdelta2 T cell in combination with ZOL may prove an effective immunotherapeutic approach for the treatment of breast cancer bone metastases. PMID- 27865799 TI - Oleic acid-induced ANGPTL4 enhances head and neck squamous cell carcinoma anoikis resistance and metastasis via up-regulation of fibronectin. AB - Obese patients have higher levels of free fatty acids (FFAs) in their plasma and a higher risk of cancer than their non-obese counterparts. However, the mechanisms involved in the regulation of cancer metastasis by FFAs remain unclear. In this study, we found that oleic acid (OA) induced angiopoietin-like 4 (ANGPTL4) protein expression and secretion and conferred anoikis resistance to head and neck squamous cell carcinomas (HNSCCs). The autocrine production of OA induced ANGPTL4 further promoted HNSCC migration and invasion. In addition, the expression of peroxisome proliferator-activated receptor (PPAR) was essential for the OA-induced ANGPTL4 expression and invasion. The levels of OA-induced epithelial-mesenchymal transition markers, such as vimentin, MMP-9, and fibronectin and its downstream effectors Rac1/Cdc42, were significantly reduced in ANGPTL4-depleted cells. Knocking down fibronectin inhibited the expression of MMP-9 and repressed OA- and recombinant ANGPTL4-induced HNSCC invasion. On the other hand, ANGPTL4 siRNA inhibited OA-induced MMP-9 expression, which was reversed in fibronectin-overexpressing cells. Furthermore, the depletion of ANGPTL4 impeded the OA-primed metastatic seeding of tumor cells in the lungs. These results demonstrate that OA enhances HNSCC metastasis through the ANGPTL4/fibronectin/Rac1/Cdc42 and ANGPTL4/fibronectin/MMP-9 signaling axes. PMID- 27865802 TI - Improving the Medical Curriculum in Predoctoral Dental Education: Recommendations From the American Association of Oral and Maxillofacial Surgeons Committee on Predoctoral Education and Training. AB - Dental procedures are often performed on patients who present with some level of medical fragility. In many dental schools, the exercise of taking a medical history is all too often a transcription of information to the dental chart, with little emphasis on the presurgical risk assessment and the development of a treatment plan appropriate to the medical status of the dental patient. Changes in dentistry, driven by an increasingly medically complex population of dental patients, combined with treatment advances rooted in the biomedical sciences necessitate the adaptation of our dental education to include a stronger background in systemic health. Many predoctoral educators in the American Association of Oral and Maxillofacial Surgeons (AAOMS) have expressed concern about the medical preparedness of our dental students; therefore, the AAOMS and its Committee on Predoctoral Education and Training have provided recommendations for improving the medical curriculum in predoctoral dental education, including a strengthening of training in clinical medicine and biomedical sciences, with specific recommendations for improved training of our dental students and dental faculty. PMID- 27865801 TI - Long-term cognitive, emotional and neurogenic alterations induced by alcohol and methamphetamine exposure in adolescent rats. AB - A high proportion of young methamphetamine (MA) users simultaneously consume alcohol. However, the potential neurological and behavioural alterations induced by such a drug combination have not been systematically examined. We studied in adolescent rats the long-term effects of alcohol, MA, and alcohol and MA combined on anxiety-like behaviour, memory, and neurogenesis in the adult hippocampus. Rats received saline, ethanol (ETOH, 1.5g/kg), MA (MA, 2mg/kg), or ethanol and MA combined (ETHOH-MA, 1.5g/kg ethanol plus 2mg/kg MA) via oral gavage, once daily for 5 consecutive days. Open field (OF), elevated plus maze (EPM) and radial arm maze (RAM) tests were conducted following a 15-day withdrawal period. The results showed alterations in exploratory behaviour in the OF in the MA and ETOH-MA groups, and anxiety-like effects in the EPM in all three drug treatment groups. All three drug groups exhibited reference memory deficits in the RAM, but only the combination treatment group displayed alterations in working memory. Both MA and ETOH-MA treatments increased the length of doublecortin (DCX)-void gaps in the dentate gyrus but only ETOH-MA treatment increased the number of such gaps. An increased number and length of DCX-void gaps correlated with decreased exploratory activity in the OF, and impaired working memory in the RAM was associated with an augmented number of gaps. These findings suggest that alterations in adult hippocampal neurogenesis are linked to the persistent cognitive and behavioural deficits produced by alcohol and MA exposure. PMID- 27865804 TI - Ghost Cell Tumors. AB - Ghost cell tumors are a family of lesions that range in presentation from cyst to solid neoplasm and in behavior from benign to locally aggressive or metastatic. All are characterized by the presence of ameloblastic epithelium, ghost cells, and calcifications. This report presents the cases of a 14-year-old girl with a calcifying cystic odontogenic tumor (CCOT) and a 65-year-old woman with a peripheral dentinogenic ghost cell tumor (DGCT) with dysplastic changes, a rare locally invasive tumor of odontogenic epithelium. The first patient presented with a 1-year history of slowly progressing pain and swelling at the left body of the mandible. Initial panoramic radiograph displayed a mixed radiolucent and radiopaque lesion. An incisional biopsy yielded a diagnosis of CCOT. Decompression of the mass was completed; after 3 months, it was enucleated and immediately grafted with bone harvested from the anterior iliac crest. The second patient presented with a 3-month history of slowly progressing pain and swelling at the left body of the mandible. Initial panoramic radiograph depicted a mixed radiolucent and radiopaque lesion with saucerization of the buccal mandibular cortex. An incisional biopsy examination suggested a diagnosis of DGCT because of the presence of ghost cells, dentinoid, and islands of ameloblastic epithelium. Excision of the mass with peripheral ostectomy was completed. At 6 and 12 months of follow-up, no evidence of recurrence was noted. PMID- 27865803 TI - Leukoplakia-A Diagnostic and Management Algorithm. AB - Oral white lesions are frequently encountered in daily practice. Most white lesions are benign (eg, reactive keratoses or keratoses from inflammatory conditions) and the diagnosis is usually evident from the clinical presentation and histopathology. Leukoplakia is a common condition characterized by an increased risk for malignant transformation. Histopathology of leukoplakia can disclose hyperkeratosis with dysplasia or carcinoma or hyperkeratosis or parakeratosis without dysplasia. Treatment depends on demographic, social, clinical, and histopathologic factors. This review focuses on the diagnosis and management of oral leukoplakia. PMID- 27865805 TI - Transcriptional activation by MLL fusion proteins in leukemogenesis. AB - Chromosomal translocations involving the mixed lineage leukemia (MLL) gene cause aggressive leukemia. Fusion proteins of MLL and a component of the AF4 family/ENL family/P-TEFb complex (AEP) are responsible for two-thirds of MLL-associated leukemia cases. MLL-AEP fusion proteins trigger aberrant self-renewal of hematopoietic progenitors by constitutively activating self-renewal-related genes. MLL-AEP fusion proteins activate transcription initiation by loading the TATA-binding protein (TBP) to the TATA element via selectivity factor 1. Although AEP retains transcription elongation and mediator recruiting activities, the rate limiting step activated by MLL-AEP fusion proteins appears to be the TBP-loading step. This is contrary to prevailing views, in which the recruitment of transcription elongation activities are emphasized. Here, I review recent advances towards elucidating the mechanisms underlying gene activation by MLL-AEP fusion proteins in leukemogenesis. PMID- 27865807 TI - Response to the letter to editor on innovative metabolic operations by El Kadre and Tinoco. PMID- 27865808 TI - Postprandial hyperinsulinemic hypoglycemia after Roux-en-Y gastric bypass: an update. AB - Roux-en-Y gastric bypass (RYGB) is an efficient treatment for morbid obesity and reduces obesity-related co-morbidities. With the growing number of patients undergoing gastric bypass, complications now demand further attention. Postprandial hyperinsulinemic hypoglycemia (PHH) after Roux-en-Y gastric bypass is a complex condition, characterized by increased glucose variability including both hyperglycemic and hypoglycemic values. PHH seems to be more prevalent than previously suggested and is highly dependent on the choice of diagnostic tool, which has not yet been standardized. Questionnaires, an oral glucose tolerance test, a mixed meal tolerance test, and continuous glucose monitoring have been used, each with their own advantages. The condition is further complicated by a large group of asymptomatic cases. Patients with symptoms of PHH after gastric bypass are characterized by exaggerated insulin and glucagon-like peptide-1 responses compared to asymptomatic operated patients. The counter-regulatory mechanisms responsible for preventing hypoglycemia appear to be altered. The cause of these changes is not entirely understood, and it remains difficult to identify patients at risk of developing hypoglycemia. Known risk factors are female sex, longer time since surgery, and lack of prior diabetes. Management of the hypoglycemic episodes is difficult, and only dietary modifications consisting of frequent and less carbohydrate-rich meals seem to be efficient. Medical treatments and surgical procedures have been attempted in few studies and still warrant further examination. PMID- 27865806 TI - Ikaros: Exploiting and targeting the hematopoietic stem cell niche in B progenitor acute lymphoblastic leukemia. AB - Genetic alterations of IKZF1 encoding the lymphoid transcription factor IKAROS are a hallmark of high-risk B-progenitor acute lymphoblastic leukemia (ALL), such as BCR-ABL1-positive (Ph+) and Ph-like ALL, and are associated with poor outcome even in the era of contemporary chemotherapy incorporating tyrosine kinase inhibitors. Recent experimental mouse modeling of B-progenitor ALL has shown that IKZF1 alterations have multiple effects, including arresting differentiation, skewing lineage of leukemia from myeloid to lymphoid, and, in Ph+ leukemia, conferring resistance to tyrosine kinase inhibitor (TKI) therapy without abrogating ABL1 inhibition. These effects are in part mediated by acquisition of an aberrant hematopoietic stem cell-like program accompanied by induction of cell surface expression of stem cell and adhesion molecules that mediate extravascular invasion and residence in the niche and activation of integrin signaling pathways. These effects can be exploited therapeutically using several approaches. IKZF1 alterations also result in upregulation of RXRA that encodes part of the heterodimeric retinoic acid X receptor. Rexinoids, a synthetic class of retinoids that bind specifically to retinoid "X" receptors such as bexarotene potently reverse aberrant adhesion and niche mislocalization in vivo and induce differentiation and cell cycle arrest. Focal adhesion kinase inhibitors block the downstream integrin-mediated signaling, reverse adhesion, and niche mislocalization. Both agents act synergistically with TKIs to prolong survival of Ph+ ALL in mouse and human xenograft model, with long-term remission induced by focal adhesion kinase inhibitors. Therefore, these findings provide important new conceptual insights into the mechanisms by which IKZF1 alterations result in drug resistance and indicate that therapeutic strategies directed against the pathways deregulated by mutation, rather than attempting to restore IKZF1 expression directly, represent promising therapeutic approaches in this disease. PMID- 27865809 TI - Duodenal-jejunal bypass attenuates progressive failure of pancreatic islets in streptozotocin-induced diabetic rats. AB - BACKGROUND: Preservation of pancreatic beta cell function has been increasingly appealing in the treatment of type 2 diabetes. Evidence is still limited on how bariatric surgery affects pancreatic beta cell apoptosis. SETTING: University medical center. OBJECTIVE: The study aimed to investigate the effect of a major component of Roux-en-Y gastric bypass, duodenal-jejunal bypass, on protecting pancreatic beta cells from progressive loss. METHODS: Forty-five normal Sprague Dawley rats were randomly assigned into 3 groups: duodenal-jejunal bypass (DJB) group (n = 16) and sham (S) group (n = 17), based upon the procedure received, and a control (C) group (n = 12) without any procedure performed, to eliminate potential traumatic effects from surgery. Ten days after surgery, streptozotocin (STZ, 45 mg/kg weight) was injected intraperitoneally into each animal, including the control animals, to selectively induce pancreatic beta cell apoptosis. Weight, food intake, plasma glucose level, and the results of an oral glucose tolerance test were measured before surgery, pre-STZ injection, and up to 4 weeks after STZ injection. Plasma insulin and glucagon-like peptide-1 levels were also assayed during oral glucose tolerance test. At the end, pancreatic tissues were sliced and stained for beta cell analysis. RESULTS: There were no significant differences in weight among all groups at any time points measured, despite rats in the S and C groups consuming more food than those in the DJB group as measured on day 10 (P<.05) and day 20 (P<.01) after STZ injection. Animals undergoing DJB did not experience symptoms typical of uncompensated diabetes, including hyperphagia and progressive weight loss. After STZ injection, fasting plasma glucose levels in the DJB group were significantly lower than those in the C and S groups (P<.001). When challenged by glucose load, DJB rats also had a better glycemic excursion (P<.01) and incretin response compared with C and S rats (P<.05). In addition, pancreatic beta cell size and mass was better preserved in DJB rats (P< .001). CONCLUSION: DJB is able to protect pancreatic beta cells from apoptosis, which leads to better glycemic control and delayed onset of diabetes. These results imply the necessity of including a DJB component when designing bariatric procedure to achieve a better long-term outcome. PMID- 27865810 TI - Improvement of anthropometric and biochemical, but not of vitamin A, status in adolescents who undergo Roux-en-Y gastric bypass: a 1-year follow up study. AB - BACKGROUND: The aim of this study was to describe anthropometric, biochemical, co morbidity, and vitamin A nutritional status in severely obese adolescents before and 30, 180, and 365 days after Roux-en-Y gastric bypass (RYGB). SETTING: Federal University of Rio de Janeiro, Rio de Janeiro, Brazil. METHODS: Sixty-four adolescents (15-19 years old) with a body mass index>=40 kg/m2 were enrolled in a prospective follow-up study. Vitamin A status was evaluated before surgery (T0), and 30 (T30), 180 (T180), and 365 (T365) days after surgery, applying biochemical and functional indicators. Anthropometric measures, lipid profile, glycemia, and basal insulin also were assessed. No patients were lost during follow-up. RESULTS: Before surgery, 26.6% of the sample group experienced vitamin A deficiency (VAD). Serum retinol levels dropped significantly 30 days after surgery and then returned to basal levels. There was a significant increase in the prevalence of beta-carotene deficiency and night blindness throughout the postsurgery period. A significant reduction in blood glucose, insulin resistance, lipid profile, and anthropometric parameters was observed. CONCLUSION: The finding that oral daily supplementation with 5000 IU retinol acetate failed to reverse VAD and night blindness after RYGB is highly significant. We recommend assessment of VAD and night blindness in extremely obese adolescents before and after RYGB. We further recommend monitoring for an additional 180 days (for VAD) and 365 days (for night blindness) after surgery, with particular attention to daily supplementation needs. PMID- 27865811 TI - Laparoscopic stomach intestinal pylorus sparing surgery in a patient with morbid obesity and situs inversus: first video case report. PMID- 27865812 TI - Laparoscopic adjustable gastric banding versus laparoscopic adjustable gastric banding with gastric plication: midterm outcomes in terms of weight loss and short term complications. AB - BACKGROUND: Laparoscopic adjustable gastric banding (LAGB) is a safe procedure with variable outcomes and large standard deviations. LAGB with gastric plication (LAGBP) is a new restrictive procedure that combines the lap band with gastric plication. This procedure, with its mechanism being below the band anatomically, should augment the weaknesses of the lap band: slips and inadequate weight loss. OBJECTIVE: Compare the weight loss results and complication rates between the LAGB and LAGBP. SETTING: Private practice. METHODS: Data was analyzed data from 120 patients retrospectively from 2 surgeons at a single private institution. Seventy-six patients underwent LAGB, and 44 other patients underwent LAGBP between February 2011 and July 2013. All 120 patients are beyond the 1-year postoperative mark and 110 patients are beyond the 2-year postoperative mark. A subset analysis was performed comparing data from both procedures to evaluate weight loss and complications. RESULTS: There were no significant differences between preoperative age, weight, and body mass index between the patients who underwent either procedure. We had 47.4% and 52.3% follow-up at 1 year for LAGB and LAGBP, respectively, with 91.5% and 92.3% follow-up at 2 year for LAGB and LAGBP, respectively. Complications were low with LAGBP; however, it was not statistically significant (P = .54). The LAGBP had a greater percent excess weight loss, percent total weight loss, and percent excess body mass index lost compared with the LAGB at 3, 6, 9, 12, and 24 months, and these differences were statistically significant. Mean percent excess weight loss for LAGB and LAGBP was 28.3% and 34.5% (P<.05) at 1 year and 32.1% and 39.2% (P<.05) at 2 years, respectively. CONCLUSION: LAGBP is a safe, feasible, and reproducible bariatric procedure. The LAGBP performs significantly better than the LAGB for weight loss. The complication and revision rates were slightly higher with LAGB than LAGBP. However, it was not statistically significant. PMID- 27865813 TI - Editorial: Barium swallow for hiatal hernia detection is unnecessary prior to primary sleeve gastrectomy. PMID- 27865814 TI - Obesity and the role of bariatric surgery in the surgical management of osteoarthritis of the hip and knee: a review of the literature. AB - Obesity accelerates the development of osteoarthritis of the knee and hip by exerting deleterious effects on joints through both biomechanical and also systemic inflammatory changes. The objective of this review was to evaluate the impact of obesity on lower limb biomechanics and total joint arthroplasty outcomes, as well as weight changes after joint arthroplasty and the role of bariatric surgery among patients requiring joint arthroplasty. The currently published data indicate that weight loss increases swing time, stride length, gait speed, and lower extremity range of motion. Total joint arthroplasty improves pain and joint function, but does not induce significant weight loss in the majority of patients. Bariatric surgery improves gait biomechanics, and in the severely obese patient with osteoarthritis improves pain and joint function. The evidence for supporting bariatric surgery before total joint arthroplasty is limited to retrospective reports with conflicting results. Fundamental clinical questions remain regarding the optimal management of morbid obesity and lower extremity arthritis, which should be the focus of future collaborations across disciplines providing care to patients with both conditions. PMID- 27865815 TI - Surgical standardization to prevent gastric stenosis after laparoscopic sleeve gastrectomy: a case series. AB - BACKGROUND: Laparoscopic sleeve gastrectomy (LSG) is accepted as a stand-alone bariatric procedure. A specific and potentially severe complication of LSG is gastric stenosis (GS). OBJECTIVE: Reviewing the treatment and prevention of GS after LSG. SETTING: University hospital, Taiwan. MATERIALS AND METHODS: A retrospective analysis was conducted involving all of the LSG cases (n = 927) at our institution between February 2007 and December 2015. RESULTS: Eight patients (0.8%) with GS were identified in our unit and 1 patient was transferred from another institution with symptomatic GS. The median intervals from initial LSG to the presence of symptoms, endoscopic dilation, and surgical revision were 14+/-30 days (range, 7-103 days), 21+/-35.6 days (range, 9-110 days), and 36+/-473.9 days (range, 11-1185 days), respectively. The majority of stenoses were located at the incisura angularis (8/9 [88.9%]). Among the 9 patients, only 1 responded satisfactorily to repetitive endoscopic dilation and the remaining 8 patients required revisional laparoscopic surgery, including conversion to Roux-en-Y gastric bypass (n = 6), stricturoplasty (n = 1), and Roux-en-Y gastric bypass after failed seromyotomy (n = 1). No patients experienced recurrent symptoms of GS after revisional surgery. In September 2013, we modified our surgical techniques for the subsequent 489 patients and GS did not occur after the change in surgical procedures. CONCLUSION: A combined treatment modality, endoscopic intervention with and without surgical revision is essential for managing GSs. Based on our own experience, we emphasize the clinical significance of surgical standardization to prevent the occurrence of GS. PMID- 27865816 TI - Paired Editorial: Perioperative Outcome of Laparoscopic Sleeve Gastrectomy for High-Risk Patients. PMID- 27865817 TI - Development and piloting the Woman Centred Care Scale (WCCS). AB - PROBLEM/BACKGROUND: In midwifery we espouse a woman centred care approach to practice, yet in midwifery education no valid instrument exists with which to measure the performance of these behaviours in midwifery students. AIM: To develop and validate an instrument to measure woman centred care behaviours in midwifery students. METHOD: We identified four core concepts; woman's sphere, holism, self-determination and the shared power relationship. We mapped 18 individual descriptive care behaviours (from the Australian National Competency Standards for the Midwife) to these concepts to create an instrument to articulate and measure care behaviours that are specifically woman centred. Review by expert midwifery clinicians ensured face, content and construct validity of the scale and predictive validity and reliability were tested in a simulated learning environment. Midwifery students were video recorded performing a clinical skill and the videos were reviewed and rated by two expert clinicians who assessed the woman centred care behaviours demonstrated by the students (n=69). FINDINGS/DISCUSSION: Test and re-test reliability of the instrument was high for each of the individual raters (Kappa 0.946 and 0.849 respectively p<0.001). However, when raters were compared there were differences between their scores suggesting variation in their expectations of woman centred care behaviours (Kappa 0.470, p<0.001). Midwifery students who had repeated exposures to higher levels of simulation fidelity demonstrated higher levels of woman centred care behaviours. CONCLUSION: The WCCS has implications for education and the wider midwifery profession in recognising and maintaining practice consistent with the underlying philosophy of woman centred care. PMID- 27865818 TI - Maternity high-dependency care and the Australian midwife: A review of the literature. AB - BACKGROUND: Maternity high-dependency care has emerged throughout the 21st century in Australian maternity hospitals as a distinct sub-speciality of maternity care. However, what the care involves, how and why it should be provided, and the role of midwives in the provision of such care remains highly variable. INTRODUCTION: Rising levels of maternal morbidity from non-obstetric causes have led midwives to work with women who require highly complex care, beyond the standard customary midwifery role. Whilst the nursing profession has developed and refined its expertise as a specialty in the field of high dependency care, the midwifery profession has been less likely to pursue this as a specific area of practice. DISCUSSION: This paper explores the literature surrounding maternity high-dependency care. From the articles reviewed, four key themes emerge which include; the need for maternity high-dependency care, maternal morbidity and maternity high-dependency care, the role of the midwife and maternity high-dependency care and midwifery education and preparation for practice. It highlights the challenges that health services are faced with in order to provide maternity high-dependency care to women. Some of these challenges include resourcing and budgeting limitations, availability of educators with the expertise to train staff, and the availability of suitably trained staff to care for the women when required. CONCLUSION: In order to provide maternity high-dependency care, midwives need to be suitably equipped with the knowledge and skills required to do so. PMID- 27865819 TI - Buzz Juice: Neurological sequelae of synthetic cannabinoids. AB - The use of synthetic cannabinoids is becoming more widespread. Familiarity with the potential toxicities associated with these agents will grow in importance. We present a case of a woman who developed onset of confusion, visual hallucinations, and ataxia after vaporizing synthetic cannabinoids. MRI imaging demonstrated restricted diffusion and increased T2/FLAIR signal in the corpus callosum and cerebellar peduncles. PMID- 27865820 TI - Adjacent segment disease requiring reoperation in cervical total disc arthroplasty: A literature review and update. AB - OBJECTIVE: To evaluate the difference in rate of reoperation for adjacent segment disease (ASD) between anterior cervical decompression and fusion (ACDF) and total disc replacement (TDR). METHOD: A systematic review of literature was performed using PubMed, clinicaltrials.gov, and various other search engines. Nine studies met the inclusion criteria and were used to report an estimated overall rate of reoperation secondary to ASD for both ACDF and TDR. RESULTS: Forty-six clinical trials were identified after the initial search, and 9 studies met our inclusion criteria. Although the data was not pooled due to significant variation in level of evidence and length of follow-up, the overall rate of reoperation for ASD in the TDR cohort of patients analyzed in our review was 3.1% (range: 0-7.1%) with a follow-up between 24 and 80months. In contrast, the reoperation rate for ASD in the ACDF control was 6.0% (range: 1.0-11.9%). CONCLUSION: The average reoperation rate for ASD was 3.1% for the TDR across all studies, which was lower than the reoperation rate of 6.0% in the ACDF group. Further studies and follow-up data are still needed to determine if cervical TDR preserves adjacent segment motion more efficiently than the natural history of the disease, and if it will be a durable option when compared to the already excellent results of ACDF. PMID- 27865821 TI - The effects of tumor treating fields and temozolomide in MGMT expressing and non expressing patient-derived glioblastoma cells. AB - A recent Phase 3 study of newly diagnosed glioblastoma (GBM) demonstrated the addition of tumor treating fields (TTFields) to temozolomide (TMZ) after combined radiation/TMZ significantly increased survival and progression free survival. Preliminary data suggested benefit with both methylated and unmethylated O-6 methylguanine-DNA methyl-transferase (MGMT) promoter status. To date, however, there have been no studies to address the potential interactions of TTFields and TMZ. Thus, the effects of TTFields and TMZ were studied in vitro using patient derived GBM stem-like cells (GSCs) including MGMT expressing (TMZ resistant: 12.1 and 22GSC) and non-MGMT expressing (TMZ sensitive: 33 and 114GSC) lines. Dose response curves were constructed using cell proliferation and sphere-forming assays. Results demonstrated a ?10-fold increase in TMZ resistance of MGMT expressing (12.1GSCs: IC50=160MUM; 22GSCs: IC50=44MUM) compared to MGMT non expressing (33GSCs: IC50=1.5MUM; 114GSCs: IC50=5.2MUM) lines. TTFields inhibited 12.1 GSC proliferation at all tested doses (50-500kHz) with an optimal frequency of 200kHz. At 200kHz, TTFields inhibited proliferation and tumor sphere formation of both MGMT GSC subtypes at comparable levels (12.1GSC: 74+/-2.9% and 38+/-3.2%, respectively; 22GSC: 61+/-11% and 38+/-2.6%, respectively; 33GSC: 56+/-9.5% and 60+/-7.1%, respectively; 114 GSC: 79+/-3.5% and 41+/-4.3%, respectively). In combination, TTFields (200kHz) and TMZ showed an additive anti-neoplastic effect with equal efficacy for TTFields in both cell types (i.e., +/- MGMT expression) with no effect on TMZ resistance. This is the first demonstration of the effects of TTFields on cancer stem cells. The expansion of such studies may have clinical implications. PMID- 27865822 TI - Ambulatory blood pressure in hypertensive patients with inclusion criteria for the SPRINT trial. AB - We aimed to characterize 24-hour blood pressure (BP) values and categories in patients with inclusion/exclusion criteria of the Systolic Blood Pressure Intervention (SPRINT) trial from the Spanish ABPM Registry. We selected patients older than 50 years, with office systolic BP (SBP) above 130 mm Hg and at high cardiovascular risk, but without diabetes, previous stroke, or symptomatic heart failure. Ambulatory BP was compared among BP categories. A total of 39,132 patients (34%) fulfilled inclusion criteria of SPRINT trial. Ambulatory SBP was considerably lower than office BP, with 42% of patients having daytime values below 130 mm Hg and 21% 24-hour values below 120 mm Hg. In conclusion, more than one-third of the hypertensive population included in the Spanish ABPM Registry can be considered as SPRINT candidates, although one out of five have values of 24-hour SBP below 120 mm Hg. These data suggest that knowledge of ABPM values could be helpful when planning a treatment intensification in high-risk patients. PMID- 27865823 TI - Gut hormones and gut microbiota: implications for kidney function and hypertension. AB - Increased blood pressure (BP) and chronic kidney disease are two leading risk factors for cardiovascular disease. Increased sodium intake is one of the most important risk factors for development of hypertension. Recent data have shown that gut influences kidney function and BP by variety of mechanisms. Various hormones and peptides secreted from gut such as gastrin, glucocorticoids, Glucagon-like peptide-1 impact on kidney function and BP especially influencing sodium absorption from gut. These findings stimulate scientist to find new therapeutic options such as tenapanor for treatment of hypertension by blocking sodium absorption from gut. The gastrointestinal tract is also occupied by a huge community of microbes (microbiome) that under normal condition has a symbiotic relationship with the host. Alterations in the structure and function of the gut microbiota have been shown to play a key role in the pathogenesis and complications of numerous diseases including hypertension. Based on these data, in this review, we provide a summary of the available data on the role of gut and gut microbiota in regulation of BP and kidney function. PMID- 27865824 TI - Effect of placebo groups on blood pressure in hypertension: a meta-analysis of beta-blocker trials. AB - Hypertension is often treated pharmacologically. Since there is evidence that the cardiovascular system is sensitive to placebo mechanisms, our aim was to conduct an effect size analysis of placebo groups in double-blinded randomized controlled parallel-group drug trials using beta-blockers to treat hypertensive patients. A comprehensive literature search via PubMed, PsycINFO, PSYNDEX, PQDT OPEN, OpenGREY, ISI Web of Knowledge, and the WHO International Clinical Trials Registry Platform provided the basis of our meta-analysis. Effect sizes were estimated using a random-effects model based on 23 studies covering a total of 11,067 participants. Main outcomes were systolic blood pressure (sBP) and diastolic blood pressure (dBP). Blood pressure was lowered in placebo groups with significant and robust effect sizes (Hedges' g). The estimates for sBP (-0.27, P < .001) and dBP (-0.49, P < .001) can be interpreted as small to moderate. The placebo response accounted for 34% of the drug response for sBP and 47% of the drug response for dBP. Our moderator analyses indicated that a higher study quality and more study site visits were marginally associated with a higher placebo response. In light of these strong placebo responses, placebo mechanisms need to be considered in order to improve antihypertensive treatment. PMID- 27865825 TI - Removal of protein S1 from Escherichia coli ribosomes without the use of affinity chromatography. AB - The paper reports an inexpensive and efficient procedure for the removal of protein S1 from E. coli ribosomes. It comprises incubation of ribosomes in a pyrimidine polyribonucleotide solution followed by centrifugation of the sample through a sucrose cushion. To avoid co-sedimentation of the S1-bound polypyrimidine with the ribosomes, its length should not exceed several hundred nucleotides. Unlike popular affinity chromatography through a poly(U) Sepharose or poly(U) cellulose column, the method tolerates limited polyribonucleotide degradation by eventual traces of ribonucleases, and can readily be incorporated into standard protocols for the isolation of ribosomes by centrifugation. PMID- 27865826 TI - Heavy menstrual bleeding in women treated with rivaroxaban and vitamin K antagonists and the risk of recurrent venous thromboembolism. AB - Anticoagulants increase the risk of heavy menstrual bleeding (HMB). We sought to investigate the incidence, predictors and management of HMB in women on rivaroxaban compared to those on vitamin K antagonists (VKA). We addressed the issue as to whether HMB is associated with VTE recurrences. We performed a single center prospective study in menstruating women aged 18-55years treated with rivaroxaban or VKA>=3months since the index VTE episode. Seventy six women on rivaroxaban and 45 patients on VKA were included. Patients on rivaroxaban more commonly reported HMB compared with those on VKA (31 [41%] vs. 8 [18%], p=0.009). Women treated with rivaroxaban more frequently needed interventions to reduce menstruation compared with those on VKA (29 [38%] vs. 6 [13%], p=0.004). During the median follow-up time of 13months, there were 8 (11%) recurrent VTE on rivaroxaban and 3 (7%) on VKA (p=0.5). Rivaroxaban treatment predisposed to HMB (odds ratio [OR] 3.2, 95% [confidence interval] CI 1.4-8.2, p=0.007) and the interruption of anticoagulant treatment for 2-3days (OR 3.2, 95% CI 1.1-11.6, p=0.033). HMB during the rivaroxaban treatment predisposed to recurrent VTE (OR 5.3, 95% CI 1.1-33.3, p=0.038). In menstruating women following VTE, rivaroxaban is associated with a two-fold higher risk of HMB compared with VKA. HMB predisposes to recurrent VTE episode, most likely due to the short interruptions of anticoagulation. PMID- 27865827 TI - Overexpression of heat shock GroEL stress protein in leptospiral biofilm. AB - Leptospira is the causative agent of leptospirosis, which is an emerging zoonotic disease. Recent studies on Leptospira have demonstrated biofilm formation on abiotic surfaces. The protein expressed in the biofilm was investigated by using SDS-PAGE and immunoblotting in combination with MALDI-TOF mass spectrometry. The proteins expressed in Leptospira biofilm and planktonic cells was analyzed and compared. Among these proteins, one (60 kDa) was found to overexpress in biofilm as compared to the planktonic cells. MALDI-TOF analysis identified this protein as stress and heat shock chaperone GroEL. Our findings demonstrate that GroEL is associated with Leptospira biofilm. GroEL is conserved, highly immunogenic and a prominent stress response protein in pathogenic Leptospira spp., which may have clinical relevance. PMID- 27865829 TI - Trend and geographic analysis of the prevalence of dengue in Taiwan, 2010-2015. AB - BACKGROUND: Dengue is the most rapidly spreading disease caused by a mosquito borne virus in the world. The incidence of dengue globally has increased 30-fold in the last 50 years. Understanding the prevalence of dengue and its longitudinal trends can improve prevention and control strategies. This study assessed the trends in prevalence of dengue in Taiwan by population characteristics and geographical region. METHODS: Dengue and population data for the years 2010-2015 were obtained from the public statistics databases of the Taiwan Centers for Disease Control and Department of Statistics, Taiwan Ministry of Interior. Yearly prevalence rates of dengue were calculated by age group, sex, and administrative area within five geographic regions (northern, mid-western, southern, and eastern regions, and outer islands). RESULTS: The national prevalence rate of dengue decreased gradually from 8 to 4 per 100000 population between 2010 and 2013, but it increased substantially in 2014 and 2015 to 67 and 187 per 100000 population, respectively. There was no significant difference in prevalence rate between males and females. People aged 60-69 years had a significantly higher prevalence rate than those in the other age groups during 2010-2014, and people aged over 70 years had the highest rate in 2015 (309 per 100000 population). The southern region had the highest yearly dengue prevalence rate (the rate decreased from 23 to 9 per 100000 population between 2010 and 2013, but increased to 220 and 616 per 100000 population in 2014 and 2015, respectively). Three unexpected outbreaks of dengue were observed during the study period: the first outbreak occurred in Penghu County in 2011 (prevalence rate 101 per 100000 population), the second in Kaohsiung City in 2014 (prevalence rate 540 per 100000 population), and the third in Tainan City in 2015 (prevalence rate 1208 per 100000 population). CONCLUSIONS: More efforts are still needed to prevent and control dengue in Taiwan. The government should direct resources and interventions to southern Taiwan, which has a tropical climate and a high population density, and should target older people who are more likely to be infected. Strategies are also needed to respond quickly to unexpected incidents to prevent dengue outbreaks. PMID- 27865828 TI - Associations between former exposure to manganese and olfaction in an elderly population: Results from the Heinz Nixdorf Recall Study. AB - Occupational exposure to manganese (Mn) has been associated with impairments in olfaction and motor functions, but it has yet to be determined if such effects persist upon cessation of exposure. The objective of this study was to evaluate the influence of former occupational Mn exposure on olfaction within the framework of a prospective cohort study among an elderly German population. Information on job tasks with recognized Mn exposure and data on odor identification assessed with Sniffin' sticks was collected during the second follow-up of the Heinz Nixdorf Recall Study. The study population consisted of 1385 men aged 55-86 years, 354 of whom ever worked in jobs with potential Mn exposure (median 58.3MUg/m3 years, interquartile range 19.0-185MUg/m3 years). Multiple exposure measures, including job tasks, cumulative Mn exposure, and Mn determined in blood samples (MnB) archived at baseline, were used to estimate effects of Mn on olfaction. Having ever worked as welder was associated with better olfaction compared to other blue-collar workers without Mn exposure. Blue collar workers identified less odors in comparison to white-collar workers. Concentrations of previous Mn exposure >185MUg/m3 years or MnB >=15MUg/L were not associated with impaired olfaction. In addition to a strong age effect, participants with lower occupational qualification identified less odors. We found no relevant association of former Mn exposure at relatively low levels with impaired olfaction. Possible neurotoxic Mn effects may not be persistent after cessation. PMID- 27865830 TI - Community-onset extended-spectrum-beta-lactamase-producing Escherichia coli sequence type 131 at two Korean community hospitals: The spread of multidrug resistant E. coli to the community via healthcare facilities. AB - BACKGROUND: The recent molecular epidemiology of ESBL-producing Escherichia coli infection in two Korean community hospitals was evaluated in this prospective observational study. METHODS: We collected non-duplicated E. coli isolates from consecutive, sequentially encountered patients with community-onset episodes between March and April 2016 in two community hospitals in Gyeonggi-do province, Korea. We studied the prevalence, clinical characteristics and molecular epidemiology of E. coli sequence type 131 (ST131) isolated from the community. RESULTS: From a total of 213 E. coli isolates collected from the community, 94 (44.1%) were community-onset healthcare-associated isolates and 119 (55.9%) were community-associated isolates, of which urinary tract infection was the majority. A total of 55 (25.8%) of the 213 E. coli isolates were confirmed to have ESBL genes, which were mainly CTX-M types such as CTX-M-14 and CTX-M-15. There was no difference in the proportion of globally epidemic ST131 clones or that of O25, O16, H30, or H30Rx subclones between community-associated and community-onset healthcare-associated isolates. CONCLUSIONS: In this study, considerable ST131 E. coli isolations in the community were observed and about half of them were related to the history of a visit to the healthcare facilities, indicating the spread of multidrug-resistant E. coli to the community via healthcare facilities. PMID- 27865831 TI - Rutin suppresses human-amylin/hIAPP misfolding and oligomer formation in-vitro, and ameliorates diabetes and its impacts in human-amylin/hIAPP transgenic mice. AB - Pancreatic islet beta-cells secrete the hormones insulin and amylin, and defective beta-cell function plays a central role in the pathogenesis of type-2 diabetes (T2D). Human amylin (hA, also termed hIAPP) misfolds and forms amyloid aggregates whereas orthologous mouse amylin does neither. Furthermore, hA elicits apoptosis in cultured beta-cells and beta-cell death in ex-vivo islets. In addition, hA-transgenic mice that selectively express hA in their beta-cells, manifest beta-cell apoptosis and progressive islet damage that leads to diabetes closely resembling that in patients with T2D. Aggregation of hA is thus linked to the causation of diabetes. We employed time-dependent thioflavin-T spectroscopy and ion-mobility mass spectrometry to screen potential suppressors of hA misfolding for anti-diabetic activity. We identified the dietary flavonol rutin as an inhibitor of hA-misfolding and measured its anti-diabetic efficacy in hA transgenic mice. In vitro, rutin bound hA, suppressed misfolding, disaggregated oligomers and reverted hA-conformation towards the physiological. In hA transgenic mice, measurements of glucose, fluid-intake, and body-weight showed that rutin-treatment slowed diabetes-progression by lowering of rates of elevation in blood glucose (P = 0.030), retarding deterioration from symptomatic diabetes to death (P = 0.014) and stabilizing body-weight (P < 0.0001). In conclusion, rutin treatment suppressed hA-aggregation in vitro and doubled the lifespan of diabetic mice (P = 0.011) by a median of 69 days compared with vehicle-treated control-diabetic hA-transgenic mice. PMID- 27865832 TI - Establishment of monoclonal antibodies against cell surface domains of ASCT2/SLC1A5 and their inhibition of glutamine-dependent tumor cell growth. AB - Human alanine-serine-cysteine transporter 2 (ASCT2; SLC1A5) is a major transporter of the amino acid glutamine that is known to be overexpressed in certain malignant tumors. In this study, we generated specific monoclonal antibodies (MAbs) against ASCT2 by establishing an ASCT2-expressing Chinese hamster ovary cell line that was used to immunize mice and rats. The MAbs KM4008, KM4012, and KM4018 against ASCT2 were isolated through a cell-based screen; these specifically bound to ASCT2-positive cells, as determined by flow cytometry and immunoprecipitation. In addition, the antibodies suppressed glutamine-dependent growth of WiDr colorectal cancer cells. These results provide evidence supporting the use of MAbs against ASCT2 as an effective therapeutic strategy for cancer treatment. PMID- 27865833 TI - Defects in the ratio of the dynein isoform, DHC11 in the long-flagella mutants of Chlamydomonas reinhardtii. AB - The long-flagella mutants (lf1, lf2, lf3 and lf4) of Chlamydomonas reinhardtii are defective in proteins that are required for the assembly of normal flagella, their phenotype being long flagella. In a previous study, we biophysically characterized these mutants for their waveform patterns, swimming speeds, beat frequencies and correlated these parameters with their flagellar lengths. We found an anomaly in this correlation and set out to explore the underlying molecular significance, if any. The diverse inner dynein isoforms are the flagellar motors that convert the chemical energy of ATP into the mechanical energy of motility; we probed the presence of one of these isoforms (DHC11, which might help in bend initiation) in the lf mutants and compared it with the wild type. Our studies show that the ratio of DHC11 is defective in the long-flagella mutants of Chlamydomonas reinhardtii. PMID- 27865834 TI - Expression and characterization of the Plasmodium translocon of the exported proteins component EXP2. AB - The malaria parasite Plasmodium falciparum requires the Plasmodium translocon of exported proteins (PTEX) to proliferate in human red blood cells. During the blood stages of malaria, several hundred parasite-encoded proteins are exported from the parasite into the cytosol of red blood cells. PTEX is the translocon for protein export and comprises 5 proteins: EXP2, PTEX150, PTEX88, Hsp101 and TRX2. Among them, EXP2 is thought to constitute the transmembrane pore, whereas the other components seem to play a role in unfolding the luggage proteins or providing a driving force. However, detailed functional and structural characterizations of PTEX proteins have not been performed. In this study, we expressed and characterized the membrane-associated component EXP2. Because expression of EXP2 is lethal to E. coli, EXP2 was expressed as a fusion protein with GST, and the recombinant EXP2 was obtained by protease digestion. The recombinant EXP2 formed pores in bilayer lipid membranes. The inner diameter of the pore was estimated to be approximately 3.5 nm based on electron microscopy images and channel currents. From this size and the molecular mass as determined by size exclusion chromatography and blue native polyacrylamide gel electrophoresis, we determined that the pore comprises approximately 10-12 EXP2 subunits. However, there is a possibility that the pore structure is different in the PTEX complex. These results provide important insights in the protein transport mechanism of PTEX, which will aid in developing new drugs targeting PTEX. PMID- 27865835 TI - Cholinesterases inhibition and molecular modeling studies of piperidyl-thienyl and 2-pyrazoline derivatives of chalcones. AB - Super-activation of cholinesterases (acetylcholinesterase and butyrylcholinesterase) are linked to various neurological problems most precisely Alzheimer's disease (AD), which leads to senile dementia. Therefore, cholinesterases (AChE & BChE) inhibition are considered as a promising strategy for the treatment of Alzheimer's disease. FDA approved drugs for the treatment of AD, belong to a group of cholinesterase inhibitors. However, none of them is able to combat or completely abrogate the disease progression. Herein, we report a series of newly synthesized chalcone derivatives with anti-AD potential. For this purpose, a series of piperidyl-thienyl and 2-pyrazoline derivatives of chalcones were tested for their cholinesterases (AChE & BChE) inhibitory activity. All compounds were found as selective inhibitor of AChE. In piperidyl chalcones derivatives compound 1e having IC50 of 0.16 +/- 0.008 MUM and 2m in 2-pyrazoline chalcones with IC50 of 0.13 +/- 0.006 MUM, were found to be the most potent inhibitors of AChE, exhibiting ~142 and ~ 173-fold greater inhibitory potential compared to the reference inhibitor i.e., Neostigmine (IC50 +/- SEM = 22.2 +/- 3.2 MUM). Molecular docking studies of most potent inhibitors were carried out to investigate the binding interactions inside the active site. Molecular docking study revealed that potent compounds and co-crystalized ligand had same binding orientation within the active site of target enzyme. Most of these compounds are selective inhibitors of AChE with a potential use against progressive neurodegenerative disorder and age related problems. PMID- 27865836 TI - G protein coupled receptor kinase-2 upregulation causes kappa-opioid receptor desensitization in diabetic heart. AB - Activation of kappa-opioid receptor (KOR) ameliorates myocardial ischemia/reperfusion (I/R) injury; however, cardioprotective effects of KOR stimulation disappear in type 1 diabetic subjects with hyperglycemia. The molecular mechanisms underlying this phenomenon remain unknown. Here we found that KOR expression was obviously downregulated and KOR agonism-induced contractile-regulatory and cardioprotective effects were significantly impaired in hearts isolated from streptozotocin (STZ) injection-induced diabetic mice. These in vivo data identified cardiac KOR desensitization as a novel characteristic of the diabetic heart. In cultured cardiomyocytes, high glucose (HG) caused obvious KOR downregulation, accompanied by an upregulation of G protein coupled receptor kinase-2 (GRK2). We found that HG exposure increased the interaction between GRK2 and KOR. More importantly, HG-induced KOR downregulation was reversed by small interfering RNA (siRNA)-mediated GRK2 inhibition. GRK2 knockdown also restored KOR agonism-mediated protection against simulated I/R injury in cardiomyocytes. These in vitro data revealed an essential role of GRK2 in HG-induced KOR desensitization. Finally, cardiac-specific GRK2 knockdown by intramyocardial siRNA injection blocked KOR downregulation and restored contractile-regulatory and cardioprotective effects of KOR agonism in hearts of diabetic mice. In conclusion, these data for the first time demonstrate that GRK2 upregulation is largely responsible for cardiac KOR desensitization in diabetic individuals, which provides novel insights into the management of myocardial I/R injury in patients with diabetes. PMID- 27865837 TI - Autophagy protects against cholesterol-induced apoptosis in pancreatic beta cells. AB - Autophagy is believed to play an important role in maintaining homeostasis in pancreatic beta-cells during insulin resistance. This study investigated the role of autophagy in beta-cell damage induced by cholesterol and its possible activation mechanism. Rat and mouse pancreatic beta-cell lines INS-1 and betaTC-6 were incubated with cholesterol alone or in combination with autophagy inhibitors E-64d/Pepstatin A or bafilomycin A1. DAPI staining, western blotting, transmission electron microscopy and immunofluorescence were conducted to assess the effects of autophagy inhibitors on cholesterol-induced apoptosis and autophagy activity. An increase in FITC-LC3 fluorescence dots, autophagic vacuoles and LC3-II protein indicated that autophagy was activated in cells treated with cholesterol. This was further confirmed by blocking the natural turnover processes in lysosomes and autolysosomes with autophagy inhibitors, suggesting enhanced autophagic activity rather than blockage of autophagy. Furthermore, inhibition of autophagy significantly augmented the activation of caspase 3 and the percentage of cholesterol-induced apoptotic nuclei. These results demonstrate that autophagy plays a protective role against cholesterol induced apoptosis in pancreatic beta-cells. PMID- 27865839 TI - Angiogenic factor with G patch and FHA domains 1 (Aggf1) promotes hepatic steatosis in mice. AB - Increased uptake of nutrients coupled with reduced activity leads to the development of a host of metabolic disorders in humans. In the present study we examined the role of angiogenic factor with G patch and FHA domains 1 (Aggf1) in the pathogenesis of steatosis, characterized by accumulation of lipids in the liver and consequently hepatic insulin resistance. We report here that Aggf1 expression was up-regulated in the liver in both genetically predisposed and diet induced mouse model of steatosis. Aggf1 expression was also stimulated by free fatty acids in primary hepatocytes. Over-expression of Aggf1 in mice promoted steatosis. On the contrary, Aggf1 depletion ameliorated steatosis in mice. Mechanistically, Aggf1 activated the expression of gluconeogenesis gene and skewed the insulin signaling pathway to induce insulin resistance. Taken together, our data suggest that Aggf1 plays a role in steatosis in vivo and as such may be a new target in the development of therapeutics solutions against steatosis. PMID- 27865840 TI - A pleckstrin homology-like domain is critical for F-actin binding and cofilin phosphatase activity of Slingshot-1. AB - Slingshot-1 (SSH1) is a protein phosphatase that specifically dephosphorylates and activates cofilin, an F-actin-severing protein. SSH1 binds to and co localizes with F-actin, and the cofilin-phosphatase activity of SSH1 is markedly increased by binding to F-actin. In this study, we performed a secondary structure analysis of SSH1, which predicted the existence of a pleckstrin homology (PH)-like domain in the N-terminal region of SSH1. SSH1 also contains a DEK-C domain in the N-terminal region. The N-terminal fragment of SSH1 bound to and co-localized with F-actin, but mutation at Arg-96 or a Leu-His-Lys (LHK) motif in the PH-like domain reduced this activity. Furthermore, mutation at Arg 96 abrogated the cofilin-phosphatase activity of SSH1 in the presence of F-actin. These results suggest that the N-terminal PH-like domain plays a critical role in F-actin binding and F-actin-mediated activation of the cofilin-phosphatase activity of SSH1. PMID- 27865838 TI - Helix B surface peptide attenuates diabetic cardiomyopathy via AMPK-dependent autophagy. AB - BACKGROUND: Erythropoietin (EPO) has been reported to exert protective effects on a host of damaged tissues. However, the erythropoietic effect of this hormone can result in high risks of thrombosis, stroke, and hypertension, remarkably limiting the clinical use of EPO. Helix B surface peptide (HBSP) is a small peptide derived from the helix-B domain of EPO. Surprisingly, HBSP retains the tissue protective properties of EPO without altering the hematocrit. Thus, we evaluated the possible role of HBSP on diabetic cardiomyopathy. METHODS: Diabetes was induced in mice by intraperitoneal injections of streptozocin (STZ). Mice were randomly treated with normal saline or HBSP. Cardiac function, fibrosis, apoptosis, and myocardial mitochondrial morphology were examined. For in vitro experiments, H9C2 myoblast cells were randomly grouped as normal glucose (NG, 5 mM), NG+HBSP (100 nM), high glucose (HG, 33 mM), HG+HBSP (100 nM), HG+HBSP+3 methyladenine (3-MA, 10 mM), HG+rapamycin (Rapa, 100 nM), and HG+HBSP+Compound C (CC, 10 mM). Autophagosomes, LC3 dots, apoptosis and mitochondria membrane potential (MMP) of H9C2 cells were examined.The expressions of LC3, p62, p-AMPK (Thr172) and p-mTOR (Ser2448) were examined by Western blot. RESULTS: HBSP markedly improved cardiac function, attenuated cardiac interstitial fibrosis, inhibited myocardial apoptosis, and ameliorated mitochondrial ultrastructure in mice with diabetic cardiomyopathy. HG reduced autophagy in H9C2 cells. HBSP enhanced autophagy in HG-treated H9C2 cells. HBSP reduced the apoptosis index of HG-treated H9C2 cells. HBSP increased the MMP of HG-treated H9C2 cells. HBSP increased the levels of p-AMPK (Thr172), and reduced p-mTOR (Ser2448) in HG treated H9C2 cells, and the increase of p-AMPK (Thr172) was accompanied by the stimulation of autophagy. Autophagy inhibitor 3-MA and AMPK inhibitor CC mitigated HBSP-induced beneficial effect, whereas autophagy inducer Rapa alleviated the HG-induced cell apoptosis. CONCLUSIONS: HBSP attenuates diabetic cardiomyopathy via autophagy mediated by AMPK-dependent pathway. HBSP may be a potential therapeutic intervention for diabetic cardiomyopathy. PMID- 27865841 TI - Survivin does not influence the anti-apoptotic action of XIAP on caspase-9. AB - Survivin inhibits apoptosis in numerous tumor cell lines and has emerged as promising target for cancer therapy. The anti-apoptotic effect of survivin was attributed to a direct interaction with XIAP (X-linked inhibitor of apoptosis) and to an indirect effect, where survivin antagonizes the anti-XIAP action of Smac. The direct interaction is thought to lead to synergistic inhibition of caspase-9 and, at the same time, to enhanced stability of XIAP by reducing its auto-ubiquitination. Using recombinant proteins, we have investigated the influence of survivin on the inhibition of caspase-9 by XIAP in vitro. With a fluorescence-based assay for the apoptosome-stimulated activity of caspase-9, we show that survivin has no effect on the inhibition of caspase-9 by XIAP, neither in the presence nor in the absence of Smac. Employing analytical size exclusion chromatography (SEC) and analytical ultracentrifugation, we show that survivin does not physically interact with XIAP. We confirm in vitro that XIAP ubiquitinates itself in the presence of the appropriate recombinant enzymes and Mg2+-ATP and could show that survivin neither influences the kinetics nor the extent of XIAP's self-ubiquitination. Our results call for a revision of the current view of how survivin interferes with the mitochondrial pathway of apoptosis. PMID- 27865842 TI - Decreasing SMPD1 activity in BEAS-2B bronchial airway epithelial cells results in increased NRF2 activity, cytokine synthesis and neutrophil recruitment. AB - Niemann-Pick disease (NPD) type B is a rare autosomal recessive disease characterized by variable levels of impairment in sphingomyelin phosphodiesterase 1 (SMPD1) activity. Lung involvement is the most important prognostic factor in NPD-B, with recurrent respiratory infections starting in infancy being the major cause of morbidity and mortality. We hypothesized that decreased SMPD1 activity impaired airway epithelium host defense response. SMPD1 activity was reduced using inducible shRNA. Surprisingly, decreasing SMPD1 activity by 50%, resulted in increased neutrophil recruitment, both at baseline and in response to bacterial stimulation. This correlated with elevated levels of cytokine mRNA shown to contribute to neutrophil recruitment in unstimulated (e.g. IL-8 and GRO alpha) and infected cells (e.g. IL-8, GRO-alpha, GM-CSF and CCL20). Instead of preventing the host defence responses, decreased SMPD1 activity results in an inflammatory response even in the absence of infection. Moreover, decreasing SMPD1 activity resulted in a pro-oxidative shift. Accordingly, expression of an inactive mutant, SMPD1[L225P] but not the WT enzyme increased activation of the antioxidant transcription factor NRF2. Therefore, decreasing SMPD1 activity by 50% in airway epithelial cells, the equivalent of the loss of one allele, results in the accumulation of oxidants that activates NRF2 and a concomitant increased cytokine production as well as neutrophil recruitment. This can result in a chronic inflammatory state that impairs host defence similar to scenarios observe in other chronic inflammatory lung disease such as Chronic Obstructive Pulmonary Disease or Cystic Fibrosis. PMID- 27865844 TI - Perturbations of carotenoid and tetrapyrrole biosynthetic pathways result in differential alterations in chloroplast function and plastid signaling. AB - In this study, we used the biosynthetic inhibitors of carotenoid and tetrapyrrole biosynthetic pathways, norflurazon (NF) and oxyfluorfen (OF), as tools to gain insight into mechanisms of photooxidation in rice plants. NF resulted in bleaching symptom on leaves of the treated plants, whereas OF treatment developed a fast symptom of an apparent necrotic phenotype. Both plants exhibited decreases in photosynthetic efficiency, as indicated by Fv/Fm. NF caused severe disruption in thylakoid membranes, whereas OF-treated plants exhibited disruption of chloroplast envelope and plasma membrane. Levels of Lhca and Lhcb proteins in photosystem I (PSI) and PSII were reduced by photooxidative stress in NF- and OF treated plants, with a greater decrease in NF plants. The down-regulation of nuclear-encoded photosynthesis genes Lhcb and rbcS was also found in both NF- and OF-treated plants, whereas plastid-encoded photosynthetic genes including RbcL, PsaC, and PsbD accumulated normally in NF plants but decreased drastically in OF plants. This proposes that the plastids in NF plants retain their potential to develop thylakoid membranes and that photobleaching is mainly controlled by nuclear genes. Distinct photooxidation patterns between NF- and OF-treated plants developed differential signaling, which might enable the plant to coordinate the expression of photosynthetic genes from the nuclear and plastidic genomes. PMID- 27865843 TI - Methylation effect on IPT5b gene expression determines cytokinin biosynthesis in apple rootstock. AB - The molecular mechanism of dwarfing in the apple rootstock is poorly understood, and has been attributed to low root cytokinin biosynthesis levels. Here we identified differences in root trans-zeatin content and expression of cytokinin metabolic pathway genes between dwarfing and vigorous rootstocks. Specifically, a stable low expression of IPT5b was identified in the dwarfing rootstocks. Bisulfite sequencing showed that two CpG islands (CpG2 and CpG4) in the IPT5b promoter region showed higher methylation levels in the M9 rootstock (dwarfing) compared to the Mr (vigorous) rootstock. Furthermore, IPT5b expression increased when M9 rootstocks were treated with 5-azaC, a methylation blocker, indicating that methylation levels influence IPT5b expression. In conclusion, we found low IPT5b expression with high level methylations in promoter region, leading to poor root trans-zeatin biosynthesis in the M9 rootstock, which may induce dwarfing. PMID- 27865845 TI - Temporal Spatial and Metabolic Measures of Walking in Highly Functional Individuals With Lower Limb Amputations. AB - OBJECTIVE: To record the temporal spatial parameters and metabolic energy expenditure during walking of individuals with amputation, walking with advanced prostheses, and after completion of comprehensive rehabilitation compared with able-bodied persons. DESIGN: Cross-sectional. SETTING: Multidisciplinary comprehensive rehabilitation center. PARTICIPANTS: Severely injured UK military personnel with amputation and subsequent completion of their rehabilitation program (n=30; unilateral transtibial: n=10, unilateral transfemoral: n=10, and bilateral transfemoral: n=10) were compared with able-bodied persons (n=10) with similar age, height, and mass (P>.537). Total number of participants (N = 40). INTERVENTIONS: Not applicable. MAIN OUTCOME MEASURES: Temporal spatial and metabolic energy expenditure data were captured during walking on level ground at a self-selected speed. RESULTS: The individuals with amputation were all men, with a mean age of 29+/-4 years and a mean New Injury Severity Score of 31+/-16. Walking speed, stride length, step length, and cadence of individuals with a unilateral transtibial or transfemoral amputation were comparable with able bodied persons, and only individuals with a bilateral transfemoral amputation had a significantly slower walking speed (1.12m/s, P=.025) and reduced cadence (96 steps per minute, P=.026). Oxygen cost for individuals with a unilateral transtibial amputation (0.15mL/kg/m) was the same as for able-bodied persons (0.15mL/kg/m) and significantly increased by 20% (0.18mL/kg/m, P=.023) for unilateral transfemoral amputation and by 60% (0.24mL/kg/m, P<.001) for bilateral transfemoral individuals with amputation. CONCLUSIONS: The scientific literature reports a wide range of gait and metabolic energy expenditure across individuals with amputation. The results of this study indicate that individuals with amputation have a gait pattern which is highly functional and efficient. This is comparable with a small number of studies reporting similar outcomes for individuals with a unilateral transtibial amputation, but the results from this study are better than those on individuals with transfemoral amputations reported elsewhere, despite comparison with populations wearing similar prosthetic componentry. Those studies that do report similar outcomes have included individuals who have been provided with a comprehensive rehabilitation program. This suggests that such a program may be as important as, or even more important than, prosthetic component selection in improving metabolic energy expenditure. The data are made available as a benchmark for what is achievable in the rehabilitation of some individuals with amputations, but agreeably may not be possible for all amputees to achieve. PMID- 27865846 TI - Effectiveness of an Educational Physiotherapy and Therapeutic Exercise Program in Adult Patients With Hemophilia: A Randomized Controlled Trial. AB - OBJECTIVE: To assess the efficacy of an educational physiotherapy home exercise intervention for physical improvement, pain perception, quality of life, and illness behavior in patients with hemophilic arthropathy. DESIGN: Single-blind randomized controlled trial. SETTING: Home. PARTICIPANTS: Patients with hemophilia (N=20) were randomly allocated to an educational intervention group or to a control group. INTERVENTIONS: The educational intervention was performed every 2 weeks over a 15-week period, and home exercises were carried out once a day, 6 days a week, over the same period. MAIN OUTCOME MEASURES: Joint status was evaluated using the Gilbert scale; pain was assessed using the visual analog scale; illness behavior was evaluated using the Illness Behavior Questionnaire; and the perception of the quality of life was evaluated using the A36 Hemophilia QoL questionnaire. RESULTS: We observed significant differences in the intervention group and the control group for both quality of life and illness behavior. There was no significant improvement in joint status; however, an improvement was noted in terms of perception of pain in the ankle. CONCLUSIONS: A physiotherapy program based on educational sessions and home exercises can improve the perception of pain in patients with hemophilic arthropathy of the ankle. It improves some variables in the perception of the quality of life and illness behavior. PMID- 27865848 TI - Retinol dehydrogenase 13 deficiency diminishes carbon tetrachloride-induced liver fibrosis in mice. AB - Retinol dehydrogenase 13 (RDH13) is a mitochondrion-localized member of the short chain dehydrogenases/reductases (SDRs) superfamily that participates in metabolism of some compounds. Rdh13 mRNA is most highly expressed in mouse liver. Rdh13 deficiency reduces the extent of liver injury and fibrosis, reduces hepatic stellate cell (HSC) activation, attenuates collagen I (II), tissue inhibitor of metalloproteinase 1 (TIMP-1) and transforming growth factor beta 1 (Tgf-beta1) expression. The results indicate an important role of Rdh13 and suggest RDH13 as a possible new therapeutic target for CCl4-induced fibrosis. PMID- 27865849 TI - Evaluation of existing (Q)SAR models for skin and eye irritation and corrosion to use for REACH registration. AB - The performance of the (Q)SAR models Derek Nexus, Toxtree and Case Ultra for the prediction of skin and eye irritation/corrosion is investigated. For irritation and corrosion of the skin, 117 compounds and for the eye, 125 compounds were listed. The balance between the groups positive and negative for irritation and corrosion was maintained. The obtained predictions were compared with experimental data and the numbers of true and false positives and negatives were determined. Based on these results several performance parameters of the tested (Q)SAR models were calculated. Despite all the efforts to make good and valid models, the results indicate a poor predictivity of the current models: a lot of compounds were not predicted, were out of the applicability domain or were predicted wrong. Considering our results, it can be concluded that the tested models are not yet sufficiently powerful for implementation. Possibly the training-sets used within the current models are not yet comprehensive enough or the incorporated data are not of enough quality. Although the use of these models as stand-alone evaluation is not recommended, these models can be of value as weight-of-evidence in the context of expert knowledge in an Integrated Approach to Testing and Assessment. PMID- 27865847 TI - Functional characterisation and application of an ex vivo perfusion-superfusion system in murine airways. AB - INTRODUCTION: The aim of this study was to develop two dynamic ex vivo airway explant systems, a perfusion-superfusion system and a ventilation-superfusion system, for the study of toxic airborne substances, such as the prevalent smoke constituent acrolein. METHODS: Mouse isolated tracheal segments were perfused with physiological media or ventilated with humidified air at 37 degrees C to mimic dynamic flow conditions, and superfused with media over the exterior surface. At selected time points, the histological and functional integrity of segments was evaluated. The perfusion-superfusion system was subsequently used to examine mucin secretory responses elicited by acrolein in airways in which mucous metaplasia had been induced with lipopolysaccharide (LPS; 1MUgml-1) prior to 24h of media perfusion, followed by stimulation with acrolein or ATP for 15min. Epithelial mucin levels were determined by quantitative analysis of periodic acid Schiff's reagent (PAS)-stained sections. RESULTS: Epithelial morphology was successfully preserved in the perfusion-superfusion and ventilation-superfusion systems for at least 24h and up to 18h, respectively. At these time points, the contractile and relaxation responses of perfused and ventilated tracheal segments to carbachol, the neuropeptide substance P, and the prostanoid PGE2 were also preserved. Using the perfusion-superfusion system, acute exposure to acrolein caused a dose-dependent reduction in the levels of PAS-positive mucin stores induced by LPS, consistent with mucin secretion. DISCUSSION: Both the perfusion superfusion and ventilation-superfusion systems successfully preserved the viability of mouse isolated tracheal segments on a histological and functional level, and the perfusion-superfusion system was used to characterise the mucin secretory responses elicited by acrolein. Thus, this system may be a useful model through which to conduct further toxicological studies in mammalian airways. PMID- 27865850 TI - Biopersistence and translocation to extrapulmonary organs of titanium dioxide nanoparticles after subacute inhalation exposure to aerosol in adult and elderly rats. AB - The increasing industrial use of nanoparticles (NPs) has raised concerns about their impact on human health. Since aging and exposure to environmental factors are linked to the risk for developing pathologies, we address the question of TiO2 NPs toxicokinetics in the context of a realistic occupational exposure. We report the biodistribution of titanium in healthy young adults (12-13-week-old) and in elderly rats (19-month-old) exposed to 10mg/m3 of a TiO2 nanostructured aerosol 6h/day, 5days/week for 4 weeks. We measured Ti content in major organs using inductively coupled plasma mass spectrometry immediately and up to 180days after the end of exposure. Large amounts of titanium were initially found in lung which were slowly cleared during the post-exposure period. From day 28, a small increase of Ti was found in the spleen and liver of exposed young adult rats. Such an increase was however never found in their blood, kidneys or brain. In the elderly group, translocation to extra-pulmonary organs was significant at day 90. Ti recovered from the spleen and liver of exposed elderly rats was higher than in exposed young adults. These data suggest that TiO2 NPs may translocate from the lung to extra-pulmonary organs where they could possibly promote systemic health effects. PMID- 27865851 TI - Pathological alpha-synuclein exacerbates the progression of Parkinson's disease through microglial activation. AB - Parkinson's disease (PD) is characterized by alpha-synuclein accumulation, dopaminergic neuron loss and inflammation. alpha-Synuclein can be secreted by neurons and activate microglia to different degrees. Excessive microglial activation can increase the production of tumor necrosis factor alpha (TNF alpha), interleukin-1-beta (IL-1beta), interleukin-6 (IL-6), interferon-gamma (INF-gamma), inducible nitric oxide synthase (iNOS), reactive oxygen species (ROS) and nitric oxide (NO), and can also enhance microglial phagocytosis and migration as well as lymphocyte infiltration. Pathological alpha-synuclein and microglial activation can potentiate each other, leading to the loss of dopaminergic neurons and accelerated PD degeneration. This review will mainly describe the profiles of alpha-synuclein-activated microglia, with particular emphasis on the signaling cascades involved in this process. PMID- 27865852 TI - Delivery methods for site-specific nucleases: Achieving the full potential of therapeutic gene editing. AB - The advent of site-specific nucleases, particularly CRISPR/Cas9, provides researchers with the unprecedented ability to manipulate genomic sequences. These nucleases are used to create model cell lines, engineer metabolic pathways, produce transgenic animals and plants, perform genome-wide functional screen and, most importantly, treat human diseases that are difficult to tackle by traditional medications. Considerable efforts have been devoted to improving the efficiency and specificity of nucleases for clinical applications. However, safe and efficient delivery methods remain the major obstacle for therapeutic gene editing. In this review, we summarize the recent progress on nuclease delivery methods, highlight their impact on the outcomes of gene editing and discuss the potential of different delivery approaches for therapeutic gene editing. PMID- 27865854 TI - Obeticholic acid protects against carbon tetrachloride-induced acute liver injury and inflammation. AB - The farnesoid X receptor (FXR) is a ligand-activated transcription factor that plays important roles in regulating bile acid homeostasis. The aim of the present study was to investigate the effects of obeticholic acid (OCA), a novel synthetic FXR agonist, carbon tetrachloride (CCl4)-induced acute liver injury. Mice were intraperitoneally injected with CCl4 (0.15ml/kg). In CCl4+OCA group, mice were orally with OCA (5mg/kg) 48, 24 and 1h before CCl4. As expected, hepatic FXR was activated by OCA. Interestingly, OCA pretreatment alleviated CCl4-induced elevation of serum ALT and hepatic necrosis. Moreover, OCA pretreatment inhibited CCl4-induced hepatocyte apoptosis. Additional experiment showed that OCA inhibits CCl4-induced hepatic chemokine gene Mcp-1, Mip-2 and Kc. Moreover, OCA inhibits CCl4-induced hepatic pro-inflammatory gene Tnf-alpha and Il-1beta. By contrast, OCA pretreatment elevated hepatic anti-inflammatory gene Il-4. Further analysis showed that OCA pretreatment inhibited hepatic IkappaB phosphorylation and blocked nuclear translocation of NF-kappaB p65 and p50 subunits during CCl4 induced acute liver injury. In addition, OCA pretreatment inhibited hepatic Akt, ERK and p38 phosphorylation in CCl4-induced acute liver injury. These results suggest that OCA protects against CCl4-induced acute liver injury and inflammation. Synthetic FXR agonists may be effective antidotes for hepatic inflammation during acute liver injury. PMID- 27865856 TI - Melatonin-loaded silica coated with hydroxypropyl methylcellulose phthalate for enhanced oral bioavailability: Preparation, and in vitro-in vivo evaluation. AB - Melatonin (MLT) is a small molecule with low water solubility and high permeability. According to the Biopharmaceutics Classification System, MLT is a class II drug exhibiting a very short half-life and minimal and variable bioavailability. This work aimed to establish a delivery system composed of an enteric MLT nanosphere with favorably controlled and sustained release characteristics superior to those of raw MLT. The nanosphere was composed of hydroxypropyl methylcellulose phthalate (HP55) and silica (SiO2) with MLT. As a carrier, SiO2 contains numerous surface pores with high adsorption capacity advantageous for permeability and slow release. HP55 is a good enteric coating material. MLT-loaded SiO2 was obtained through adsorption in acetone solution. A MLT-loaded SiO2 coated with HP55 (MLT-SiO2-HP55) nanosphere was prepared via desolvation. The characteristics of this nanosphere were analyzed through transmission electron microscopy, Brunauer-Emmett-Teller surface area analysis, diffuse reflectance infrared Fourier transform spectroscopy, X-ray diffraction, differential scanning calorimetry, and thermogravimetric analysis. Results show that MLT was loaded mostly in the pores of SiO2. HP55 was coated on a large portion of MLT-SiO2. In vitro release studies revealed that the release rate of MLT from MLT-SiO2 was higher than that of raw MLT in simulated gastric fluid (SGF). The amount of MLT released from MLT-SiO2-HP55 in SGF was lower than that released from simulated intestinal fluid because of HP55 coated on MLT-SiO2. In vivo evaluation demonstrated the controlled drug release of MLT-SiO2-HP55 in rats. Compared with raw MLT, MLT-SiO2-HP55 prolonged peak time (Tmax) from 15min to 30min and increased peak concentration (Cmax) from 168.86ng/mL to 383.71ng/mL. The corresponding area under the curve (AUC) of MLT-SiO2-HP55 was 3.5 times higher than that of raw MLT. This finding illustrated the sustained release of MLT-SiO2-HP55. Our in vitro release and in vivo absorption studies indicated that the proposed preparation of MLT-SiO2-HP55 is an effective method to facilitate the controlled and sustained release of MLT with enhanced bioavailability. PMID- 27865855 TI - Intestinal response to salinity challenge in the Senegalese sole (Solea senegalensis). AB - Fish are continuously forced to actively absorb or expel water and ions through epithelia. Most studies have focused on the gill due to its role in Na+ and Cl- trafficking. However, comparatively few studies have focused on the changing function of the intestine in response to external salinity. Therefore, the present study investigated the main intestinal changes of long-term acclimation of the Senegalese sole (Solea senegalensis) to 5, 15, 38 and 55ppt. Through the measurement of short-circuit current (Isc) in Ussing chambers and biochemical approaches, we described a clear anterior/posterior functional regionalization of the intestine in response to salinity. The use of specific inhibitors in Ussing chamber experiments, revealed that the bumetanide-sensitive Na+/K+/Cl- co transporters are the main effectors of Cl- uptake in both anterior intestine and rectum. Additionally, the use of the anion exchanger specific inhibitor, DIDS, showed a salinity/region dependency of anion exchanger function. Moreover, we also described ouabain-sensitive Na+/K+-ATPase (NKA) and Bafilomycin A1-sensitive H+-ATPase activities (HA), which displayed changes related to salinity and intestinal region. However, the most striking result of the present study is the description of an omeprazole-sensitive H+/K+-ATPase (HKA) in the rectum of Senegalese sole. Its activity was consistently measurable and increased at lower salinities, reaching rates even higher than those of the NKA. Together our results provide new insights into the changing role of the intestine in response to external salinity in teleost fish. The rectal activity of HKA offers an alternative/cooperative mechanism with the HA in the final processing of intestinal water absorption by apical titration of secreted bicarbonate. PMID- 27865857 TI - Evaluation of dissolution profile similarity - Comparison between the f2, the multivariate statistical distance and the f2 bootstrapping methods. AB - A simulation study is presented, evaluating the performance of the f2, the model independent multivariate statistical distance and the f2 bootstrap methods in the ability to conclude similarity between two dissolution profiles. Different dissolution profiles, based on the Noyes-Whitney equation and ranging from theoretical f2 values between 100 and 40, were simulated. Variability was introduced in the dissolution model parameters in an increasing order, ranging from a situation complying with the European guidelines requirements for the use of the f2 metric to several situations where the f2 metric could not be used anymore. Results have shown that the f2 is an acceptable metric when used according to the regulatory requirements, but loses its applicability when variability increases. The multivariate statistical distance presented contradictory results in several of the simulation scenarios, which makes it an unreliable metric for dissolution profile comparisons. The bootstrap f2, although conservative in its conclusions is an alternative suitable method. Overall, as variability increases, all of the discussed methods reveal problems that can only be solved by increasing the number of dosage form units used in the comparison, which is usually not practical or feasible. Additionally, experimental corrective measures may be undertaken in order to reduce the overall variability, particularly when it is shown that it is mainly due to the dissolution assessment instead of being intrinsic to the dosage form. PMID- 27865853 TI - The principles and applications of avidin-based nanoparticles in drug delivery and diagnosis. AB - Avidin-biotin interaction is one of the strongest non-covalent interactions in the nature. Avidin and its analogues have therefore been extensively utilized as probes and affinity matrices for a wide variety of applications in biochemical assays, diagnosis, affinity purification, and drug delivery. Recently, there has been a growing interest in exploring this non-covalent interaction in nanoscale drug delivery systems for pharmaceutical agents, including small molecules, proteins, vaccines, monoclonal antibodies, and nucleic acids. Particularly, the ease of fabrication without losing the chemical and biological properties of the coupled moieties makes the avidin-biotin system a versatile platform for nanotechnology. In addition, avidin-based nanoparticles have been investigated as diagnostic systems for various tumors and surface antigens. In this review, we will highlight the various fabrication principles and biomedical applications of avidin-based nanoparticles in drug delivery and diagnosis. The structures and biochemical properties of avidin, biotin and their respective analogues will also be discussed. PMID- 27865859 TI - Solubilization of proteins in aqueous two-phase extraction through combinations of phase-formers and displacement agents. AB - The aqueous two-phase extraction (ATPE) of therapeutic proteins is a promising separation alternative to cost-intensive chromatography, still being the workhorse of nowadays downstream processing. As shown in many publications, using NaCl as displacement agent in salt-polymer ATPE allows for a selective purification of the target protein immunoglobulin G (IgG) from human serum albumin (HSA, represents the impurity). However a high yield of the target protein is only achievable as long as the protein is stabilized in solution and not precipitated. In this work the combined influence of NaCl and polyethylene glycol (Mw=2000g/mol) on the IgG-IgG interactions was determined using composition gradient multi-angle light scattering (CG-MALS) demonstrating that NaCl induces a solubilization of IgG in polyethylene glycol 2000 solution. Moreover it is shown that the displacement agent NaCl has a significant and beneficial influence on the IgG solubility in polyethyleneglycol2000-citrate aqueous two-phase system (ATPS) which can also be accessed by these advanced B22 measurements. By simultaneous consideration of IgG solubility data with results of the ATPS phase behavior (especially volume fraction of the respective phases) allows for the selection of process tailored ATPS including identification of the maximum protein feed concentration. Through this approach an ATPS optimization is accessible providing high yields and selectivity of the target protein (IgG). PMID- 27865858 TI - Biodistribution of radiolabeled polyglutamic acid and PEG-polyglutamic acid nanocapsules. AB - Recently we reported the development of 100nm polyglutamic acid (PGA)-based nanocapsules, which were intended to carry anticancer drugs to the lymphatic system (Abellan-Pose et al., 2016). In this work, the objective was to further assess the potential "lympho-targeting" properties of radiolabeled 111In-PGA and 111In-PGA-PEG, following intravenous or subcutaneous administration. The results indicate that, following intravenous administration, both types of nanocapsules exhibit a modest accumulation in the lymph nodes (?2.3% ID/g). On the contrary, following subcutaneous administration, and irrespective of the presence of PEG on their surface, the nanocapsules were found to form a reservoir at the injection site, from which they drained slowly into the popliteal and the iliac lymph nodes. The significant accumulation of the radiolabeled nanocapsules in the lymph nodes was attained at 24 and 48h post-injection, reaching values comprised between 70% and 187% ID/g in the popliteal lymph nodes. Altogether, the results led us to validate our hypothesis about the ability of the PGA and PGA-PEG nanocapsules to reach the lymphatic system, especially following subcutaneous administration. PMID- 27865860 TI - Human regulatory B cells control the TFH cell response. AB - BACKGROUND: Follicular helper T (TFH) cells support terminal B-cell differentiation. Human regulatory B (Breg) cells modulate cellular responses, but their control of TFH cell-dependent humoral immune responses is unknown. OBJECTIVE: We sought to assess the role of Breg cells on TFH cell development and function. METHODS: Human T cells were polyclonally stimulated in the presence of IL-12 and IL-21 to generate TFH cells. They were cocultured with B cells to induce their terminal differentiation. Breg cells were included in these cultures, and their effects were evaluated by using flow cytometry and ELISA. RESULTS: B-cell lymphoma 6, IL-21, inducible costimulator, CXCR5, and programmed cell death protein 1 (PD-1) expressions increased on stimulated human T cells, characterizing TFH cell maturation. In cocultures they differentiated B cells into CD138+ plasma and IgD-CD27+ memory cells and triggered immunoglobulin secretions. Breg cells obtained by Toll-like receptor 9 and CD40 activation of B cells prevented TFH cell development. Added to TFH cell and B-cell cocultures, they inhibited B-cell differentiation, impeded immunoglobulin secretions, and expanded Foxp3+CXCR5+PD-1+ follicular regulatory T cells. Breg cells modulated IL 21 receptor expressions on TFH cells and B cells, and their suppressive activities involved CD40, CD80, CD86, and intercellular adhesion molecule interactions and required production of IL-10 and TGF-beta. CONCLUSION: Human Breg cells control TFH cell maturation, expand follicular regulatory T cells, and inhibit the TFH cell-mediated antibody secretion. These novel observations demonstrate a role for the Breg cell in germinal center reactions and suggest that deficient activities might impair the TFH cell-dependent control of humoral immunity and might lead to the development of aberrant autoimmune responses. PMID- 27865861 TI - Midpregnancy and cord blood immunologic biomarkers, HLA genotype, and pediatric celiac disease. PMID- 27865862 TI - Impaired mucus clearance exacerbates allergen-induced type 2 airway inflammation in juvenile mice. AB - BACKGROUND: Type 2 airway inflammation plays a central role in the pathogenesis of allergen-induced asthma, but the underlying mechanisms remain poorly understood. Recently, we demonstrated that reduced mucociliary clearance, a characteristic feature of asthma, produces spontaneous type 2 airway inflammation in juvenile beta-epithelial Na+ channel (Scnn1b)-transgenic (Tg) mice. OBJECTIVE: We sought to determine the role of impaired mucus clearance in the pathogenesis of allergen-induced type 2 airway inflammation and identify cellular sources of the signature cytokine IL-13. METHODS: We challenged juvenile Scnn1b-Tg and wild type mice with Aspergillus fumigatus and house dust mite allergen and compared the effects on airway eosinophilia, type 2 cytokine levels, goblet cell metaplasia, and airway hyperresponsiveness. Furthermore, we determined cellular sources of IL-13 and effects of genetic deletion of the key type 2 signal transducing molecule signal transducer and activator of transcription 6 (STAT6) and evaluated the effects of therapeutic improvement of mucus clearance. RESULTS: Reduced mucociliary allergen clearance exacerbated Stat6-dependent secretion of type 2 cytokines, airway eosinophilia, and airway hyperresponsiveness in juvenile Scnn1b-Tg mice. IL-13 levels were increased in airway epithelial cells, macrophages, type 2 innate lymphoid cells, and TH2 cells along with increased Il33 expression in the airway epithelium of Scnn1b-Tg mice. Treatment with the epithelial Na+ channel blocker amiloride, improving airway surface hydration and mucus clearance, reduced allergen-induced inflammation in Scnn1b-Tg mice. CONCLUSION: Our data support that impaired clearance of inhaled allergens triggering IL-13 production by multiple cell types in the airways plays an important role in the pathogenesis of type 2 airway inflammation and suggests therapeutic improvement of mucociliary clearance as a novel treatment strategy for children with allergen-induced asthma. PMID- 27865863 TI - Curcumin promotes the oncoltyic capacity of vesicular stomatitis virus for the treatment of prostate cancers. AB - Vesicular stomatitis virus (VSV) matrix (M) protein mutants have been studied as oncolytic agents due to their capacity to effectively kill cancer cells while exhibiting low virulence in vivo. Despite encouraging results, many cancer cells maintain resistance to oncolytic VSV mutants in part due to residual antiviral responses. We sought to determine whether combination of VSV with natural agents with anti-tumor properties, such as curcumin, resveratrol, and flavokavain B, would enhance tumor cell killing in a prostate cancer model. Our results revealed that pretreatment with curcumin potentiated VSV-induced oncolysis of PC-3 prostate cancer cells in cell culture and in a mouse model of prostate cancer. The ability of curcumin to synergize with VSV in PC-3 cells correlated with a cumulative decrease in the expression of the anti-apoptotic protein, Bcl-xl, and in the phosphorylation of NF-kappaB. Although curcumin did not impact the expression of type I IFN in infected cells, it inhibited the phosphorylation and activation of STAT1, a key player in the IFN response pathway, leading to an overall increase in virus-infected cells. These results suggest that curcumin sensitizes prostate cancer cells to the oncolytic effects of VSV by modulating antiviral responses and components of the intrinsic apoptotic pathway. PMID- 27865864 TI - Construction and manipulation of a full-length infectious bacterial artificial chromosome clone of equine herpesvirus type 3 (EHV-3). AB - Equine herpesvirus type 3 (EHV-3) is the causal agent of equine coital exanthema, a disease characterized by pox-like lesions on the penis of stallions and the vulva of mares. Although the complete genomic sequence of EHV-3 has been recently made available, its genomic content remains poorly characterized and the molecular mechanisms of disease development not yet elucidated. In an attempt to facilitate genetic manipulation of EHV-3, we describe here the construction of a full-length infectious bacterial artificial chromosome (BAC) clone of EHV-3. Mini F vector sequences were inserted into the intergenic region between ORF19 and ORF20 (UL41 and UL40, respectively) of EHV-3 strain C175 by homologous recombination in equine dermal cells (NBL-6). DNA of the resulting recombinant virus was electroporated into E. coli and a full-length EHV-3 BAC clone was recovered. Virus reconstituted after transfection of the EHV-3 BAC into NBL-6 cells showed growth properties in vitro that were indistinguishable from those of the parental virus. To assess the feasibility of mutagenesis of the cloned EHV-3 genome, recombinant viruses targeting the glycoprotein E (gE) gene were generated using Red recombination in E. coli and in vitro growth properties of the recombinant viruses were evaluated. We first repaired the gE (ORF74) coding region, since the parental virus used for BAC cloning specifies a truncated version of the gene, and then created gE-tagged and gE-null versions of the virus. Our results demonstrated that: (i) EHV-3 can be efficiently cloned as a BAC allowing easy manipulation of its genome; (ii) gE is dispensable for EHV-3 growth in vitro and is expressed as a product of approximately 110-kDa in infected cells; (iii) viruses having a deletion compromising gE expression or with a truncation of the cytoplasmic and transmembrane domains are significantly compromised with regard cell-to-cell spread. The cloning of EHV-3 as a BAC simplifies future studies to identify the role of its coding genes in viral pathogenesis and host immune responses. PMID- 27865865 TI - Ectromelia virus N1L is essential for virulence but not dissemination in a classical model of mousepox. AB - Mousepox is caused by the orthopoxvirus ectromelia virus (ECTV), and is thought to be transmitted via skin abrasions. We studied the ECTV virulence factor N1 following subcutaneous infection of mousepox-susceptible BALB/c mice. In this model, ECTV lacking N1L gene was attenuated more than 1000-fold compared with wild-type virus and replication was profoundly reduced as early as four days after infection. However, in contrast to data from an intranasal model, N1 protein was not required for virus dissemination. Further, neither T cell nor cytokine responses were enhanced in the absence of N1. Together with the early timing of reduced virus titres, this suggests that in a cutaneous model, N1 exerts its function at the level of infected cells or in the inhibition of the very earliest effectors of innate immunity. PMID- 27865866 TI - Age-related differences in processes organizing goal-directed locomotion toward emotional pictures. AB - Previous studies yielded evidence for an interaction between age and valence in numerous cognitive processes. But, to date, no research has been conducted in the field of motor skills. In this study, we examined the age-related differences in the organization of an emotionally goal-directed locomotion task. Faced with a pleasant, unpleasant, or neutral picture displayed to the side of a stop button, younger and older adults were instructed to walk toward the button (intermediate goal) and push it to turn-off the picture (final goal). Kinematic and ground reaction forces were recorded. The main findings indicated that older adults' response times (RTs) did not differ across the valence picture. The fastest RTs were found in younger adults when faced with pleasant pictures, suggesting that older people may focus either on intermediate or final goals, depending on their value of pleasantness, and prioritize positive goals. We also found that the spatial coding of locomotion (trajectory and final body position) was affected in the same way by the valence of the intermediate goal in both age groups. Taken together, these findings provide new perspectives regarding the potential role of the emotional valence of the intermediate and final goals on the cognitive processes involved in action coding, such as in mental representations of action in older adults. PMID- 27865867 TI - D1-like dopamine receptor dysfunction in the lateral habenula nucleus increased anxiety-like behavior in rat. AB - Lateral habenula (LHb) is important for emotional processing. It is a link node between forebrain and midbrain. LHb is reciprocally connected with ventral tegmental area, acting as a regulatory center for the dopaminergic system. However, the role of dopamine receptors in the LHb in emotional processing is less clear. In the present study, the expression of dopamine D1 and D2 receptors in LHb was testified by western blot. In addition, D1- or D2-like receptor agonist or antagonist was bilaterally administered into the LHb, anxiety-like and depressive-like behaviors were tested 15min later in rats. In addition, the effects of LHb dopamine receptor activation and inactivation on aversive learning and memory were assessed. Our results showed that: (1) activation and inhibition of D1R but not D2R in LHb increased anxiety-like behavior but decreased depressive-like behavior in rats. (2) D1R activation and inactivation in LHb impaired aversive memory acquisition but not consolidation in rats, D1R agonist also impaired aversive memory retrieval in rats. These results might provide new clues about how LHb was involved in emotional processing. PMID- 27865868 TI - Blast-induced tinnitus and hyperactivity in the auditory cortex of rats. AB - Blast exposure can cause tinnitus and hearing impairment by damaging the auditory periphery and direct impact to the brain, which trigger neural plasticity in both auditory and non-auditory centers. However, the underlying neurophysiological mechanisms of blast-induced tinnitus are still unknown. In this study, we induced tinnitus in rats using blast exposure and investigated changes in spontaneous firing and bursting activity in the auditory cortex (AC) at one day, one month, and three months after blast exposure. Our results showed that spontaneous activity in the tinnitus-positive group began changing at one month after blast exposure, and manifested as robust hyperactivity at all frequency regions at three months after exposure. We also observed an increased bursting rate in the low-frequency region at one month after blast exposure and in all frequency regions at three months after exposure. Taken together, spontaneous firing and bursting activity in the AC played an important role in blast-induced chronic tinnitus as opposed to acute tinnitus, thus favoring a bottom-up mechanism. PMID- 27865869 TI - ERK potentiates p38 in central sensitization induced by traumatic occlusion. AB - This study was to investigate the role of p38 activation via ERK1/2 phosphorylation in neurons and microglia of the spinal trigeminal subnucleus caudalis (Vc) in the promotion of orofacial hyperalgesia induced by unilateral anterior crossbite (UAC) traumatic occlusion in adult rats. U0126, a p-ERK1/2 inhibitor, was injected intracisternally before UAC implant. The effects of the U0126 injection were compared to those following the injection of SB203580, a p p38 inhibitor. Mechanical hyperalgesia was evaluated via pressure pain threshold measurements. Brain stem tissues were processed for a Western blot analysis to evaluate the activation of ERK1/2 and p38. Double immunofluorescence was also performed to observe the expression of p-ERK1/2 and p-p38 in neurons (labeled by NeuN) and microglia (labeled by OX42). The data showed that UAC caused orofacial hyperalgia ipsilaterally on d1 to d7, peaking on d3 (P<0.05). An upregulation of p-ERK1/2 was observed in the ipsilateral Vc on d1 to d3, peaking on d1. An upregulation of p-p38 was also observed on d1 to d7, peaking on d3 (P<0.05). p ERK1/2 primarily co-localized with NeuN and, to a lesser extent, with OX42, while p-p38 co-localized with both NeuN and OX42. Pretreatment with U0126 prevented the upregulation of both p-ERK1/2 and p-p38. Similarly to an intracisternal injection of SB203580, U0126 pretreatment attenuated the UAC-induced orofacial hyperalgesia. These data indicate that UAC caused orofacial hyperalgesia by inducing central sensitization via the activation of ERK1/2 and p38 in both neurons and microglia in the Vc, potentially impacting the effects of p-ERK1/2 during p38 activation. PMID- 27865870 TI - African and classical swine fever situation in Ivory-Coast and neighboring countries, 2008-2013. AB - This study was conducted from 2008 to 2013 to determine the animal health status of Ivory Coast and neighboring countries (Burkina Faso, Ghana, Togo and Benin) for African swine fever (ASF) and classical swine fever (CSF), and to assess the risk factors for ASF introduction in Ivory Coast. Ivory Coast had probably been free from ASF from 1998 to 2014 when it was re-introduced in this country. However, the ASF virus was found in all neighboring countries. In contrast, no evidence of CSF infection was found so far in Ivory Coast and neighboring countries. To assess the risk of ASF reintroduction in Ivory Coast, we surveyed 59 modern pig farms, and 169 pig owners in 19 villages and in two towns. For the village livestock, the major risk factor was the high frequency of pig exchanges with Burkinabe villages. In the commercial sector, many inadequate management practices were observed with respect to ASF. Their identification should enable farmers and other stakeholders to implement a training and prevention program to reduce the introduction risk of ASF in their farms. PMID- 27865872 TI - Thymic Hyperplasia after Treatment of ACTH-Dependent Cushing's Syndrome Can Be Mistaken for a Thymic Epithelial Tumor. PMID- 27865871 TI - Clinical Impact of Hybrid Capture-Based Next-Generation Sequencing on Changes in Treatment Decisions in Lung Cancer. AB - INTRODUCTION: Targeted therapy significantly prolongs survival in lung adenocarcinoma. Current diagnostic guidelines include only EGFR and anaplastic lymphoma receptor tyrosine kinase gene (ALK) testing. Next-generation sequencing (NGS) reveals more actionable genomic alterations than do standard diagnostic methods. Data on the influence of hybrid capture (HC)-based NGS on treatment are limited, and we investigated its impact on treatment decisions and clinical outcomes. METHODS: This retrospective study included patients with advanced lung cancer on whom HC-based NGS was performed between November 2011 and October 2015. Demographic and clinicopathologic characteristics, treatments, and outcome data were collected. RESULTS: A total of 101 patients were included (median age 63 years [53% females, 45% never-smokers, and 85% with adenocarcinoma]). HC-based NGS was performed upfront and after EGFR/ALK testing yielded negative or inconclusive results in 15% and 85% of patients, respectively. In 51.5% of patients, HC-based NGS was performed before first-line therapy, and in 48.5%, it was performed after treatment failure. HC-based NGS identified clinically actionable genomic alterations in 50% of patients, most frequently in EGFR (18%), Ret proto-oncogene (RET) (9%), ALK (8%), Mesenchymal-epithelial transition factor (MET) receptor tyrosine kinase gene (6%), and erb-b2 receptor tyrosine kinase 2 gene (ERBB2) (5%). In 15 patients, it identified EGFR/ALK aberrations after negative results of prior standard testing. Treatment strategy was changed for 43 patients (42.6%). The overall response rate in these patients was 65% (complete response 14.7%, partial response 50%). Median survival was not reached. Immunotherapy was administered in 33 patients, mostly without an actionable driver, with a presenting disease control rate of 32%, and with an association with tumor mutation burden. CONCLUSIONS: HC-based NGS influenced treatment decisions in close to half of the patients with lung adenocarcinoma and was associated with an overall response rate of 65%, which may translate into a survival benefit. PMID- 27865873 TI - Signaling via G proteins mediates tumorigenic effects of GPR87. AB - G protein-coupled receptors (GPCRs) constitute a large protein family of seven transmembrane (7TM) spanning proteins that regulate multiple physiological functions. GPR87 is overexpressed in several cancers and plays a role in tumor cell survival. Here, the basal activity of GPR87 was investigated in transiently transfected HEK293 cells, revealing ligand-independent coupling to Galphai, Galphaq and Galpha12/13. Furthermore, GPR87 showed a ligand-independent G protein dependent activation of the downstream transcription factors CREB, NFkappaB, NFAT and SRE. In tetracycline-induced Flp-In T-Rex-293 cells, GPR87 induced cell clustering presumably through Galpha12/13 coupling. In a foci formation assay using retrovirally transduced NIH3T3 cells, GPR87 showed a strong in vitro transforming potential, which correlated to the in vivo tumor induction in nude mice. Importantly, we demonstrate that the transforming potential of GPR87 was correlated to the receptor signaling, as the signaling-impaired mutant R139A (Arg in the conserved "DRY"-motif at the bottom of transmembrane helix 3 of GPR87 substituted to Ala) showed a lower in vitro cell transformation potential. Furthermore, R139A lost the ability to induce cell clustering. In summary, we show that GPR87 is active through several signaling pathways and that the signaling activity is linked to the receptor-induced cell transformation and clustering. The robust surface expression of GPR87 and general high druggability of GPCRs make GPR87 an attractive future anticancer target for drugs that - through inhibition of the receptor signaling - will inhibit its transforming properties. PMID- 27865875 TI - Axillary migration of Nexplanon(r): Case report. AB - A 19-year-old patient presented to the clinic, and we inserted a single rod subdermal etonogestrel implant (Nexplanon (r)), which subsequently migrated to the ipsilateral axilla. Distant Nexplanon(r) migration is a rare serious complication that should be considered when a device is nonpalpable. Management options are discussed. PMID- 27865874 TI - Bromodomain-containing protein 2 induces insulin resistance via the mTOR/Akt signaling pathway and an inflammatory response in adipose tissue. AB - Insulin resistance is a major metabolic abnormality in a large majority of patients with type II diabetes. Bromodomain-containing protein 2 (Brd2), a transcriptional co-activator/co-repressor with switch mating type/sucrose non fermenting (SWI/SNF)-like functions that regulates chromatin, suppresses adipocyte differentiation and regulates pancreatic beta-cell biology. However, the effects of Brd2 on insulin resistance remain unknown. Here, overexpression of Brd2 in white adipose tissue of wild-type (WT) mice led to insulin resistance. Brd2 overexpression induced the expression of nuclear Factor-kappaBeta (NF kappaBeta) target genes, mainly involving proinflammatory and chemotactic factors, in adipocytes. Furthermore, it decreased the expression of DEP domain containing mTOR-interacting protein (Deptor) to enhance mechanistic target of rapamycin (mTOR) signaling, thus blocking insulin signaling. Collectively, these results provided evidence for a novel role of Brd2 in chronic inflammation and insulin resistance, suggesting its potential in improving insulin resistance and treating metabolic disorders. PMID- 27865876 TI - Interstitial Lung Disease in the Elderly. AB - BACKGROUND: Despite the relationship between idiopathic pulmonary fibrosis (IPF) and advancing age, little is known about the epidemiology of interstitial lung disease (ILD) in the elderly. We describe the diagnoses, clinical characteristics, and outcomes of patients who were elderly at the time of ILD diagnosis. METHODS: Among subjects from a prospective cohort study of ILD, elderly was defined as age >= 70 years. Diagnoses were derived from a multidisciplinary review. Differences between elderly and nonelderly groups were determined using the chi2 test and analysis of variance. RESULTS: Of the 327 subjects enrolled, 80 (24%) were elderly. The majority of elderly subjects were white men. The most common diagnoses were unclassifiable ILD (45%), IPF (34%), connective tissue disease (CTD)-ILD (11%), and hypersensitivity pneumonitis (8%). Most elderly subjects (74%) with unclassifiable ILD had an imaging pattern inconsistent with usual interstitial pneumonia (UIP). There were no significant differences in pulmonary function or 3-year mortality between nonelderly and elderly subjects combined or in a subgroup analysis of those with IPF. CONCLUSIONS: Although IPF was the single most common diagnosis, the majority of elderly subjects had non-IPF ILD. Our findings highlight the need for every patient with new-onset ILD, regardless of age, to be surveyed for exposures and findings of CTD. Unclassifiable ILD was common among the elderly, but for most, the radiographic pattern was inconsistent with UIP. Although the effect of ILD may be more pronounced in the elderly due to reduced global functionality, ILD was not more severe or aggressive in this group. PMID- 27865878 TI - Bone marrow mesenchymal stem cells decrease CHOP expression and neuronal apoptosis after spinal cord injury. AB - Spinal cord injury (SCI) leads to irreversible neuronal loss and ultimately leads to paralysis. Bone marrow derived mesenchymal stem cells (BMSCs) have been demonstrated to be an effective approach to treat SCI. The present study was designed to investigate the role of BMSCs in rats with spinal cord injury and in oxygen-glucose deprivation (OGD) treated motor neurons. The results demonstrated that BMSCs could improve locomotor function and decrease expression of pro apoptotic transcription factor C/EBP homologous protein (CHOP) and apoptosis after SCI. Furthermore, co-culture with BMSCs or conditioned medium from BMSCs could also decrease the expression of CHOP and apoptosis in post-OGD motor neurons, supporting that BMSCs exerts protective effects by decreasing the expression of CHOP in injured motor neurons. Our findings provide a potential novel mechanism for BMSCs treatments in patients with SCI. PMID- 27865879 TI - Arachidonic acid has protective effects on oxygen-glucose deprived astrocytes mediated through enhancement of potassium channel TREK-1 activity. AB - Polyunsaturated fatty acids (PUFAs) have neuroprotective effects against ischemic brain diseases. The newly discovered potassium channel "TREK-1" is a promising target for therapies against neurodegeneration. Arachidonic acid (AA) is an n-6 PUFA, as well as a potent TREK-1 activator. We previously showed that TREK-1 is expressed at high levels in astrocytes. However, the effect of AA on astrocytes in ischemia remains unknown. Here, we assessed the effects of 3-30MUM AA on astrocyte apoptosis, glutamate uptake, and expression of the astrocytic glutamate transporter 1 (GLT-1) and TREK-1 under different conditions. Under normal conditions, 3-30MUM AA showed no effect on astrocytic apoptosis or TREK-1 expression, whereas glutamate uptake decreased significantly and its change paralleled the decreased expression of GLT-1. When astrocytes were subjected to 4h of oxygen-glucose deprivation (OGD), 10MUM AA markedly alleviated OGD-induced cell death, recovering from 63.50+/-1.90% to 82.96+/-4.63% of the control value. AA also rescued the decreased glutamate uptake and increased mRNA, as well as protein levels of GLT-1 and TREK-1. Our results provide new evidence of a protective effect of AA on astrocytes under OGD conditions, suggesting that a low concentration of AA may protect against brain ischemic diseases. PMID- 27865880 TI - NOD2 mediates isoflurane preconditioning-induced protection of myocardial injury. AB - Anesthetic cardioprotection reduces myocardial infarct size following ischemia reperfusion injury. However, the underlying mechanisms that drive ischemia reperfusion injury in cardiomyocytes remain unclear. In this study, we report that isoflurane, a commonly used inhaled anesthetic, can protect cardiomyocytes from anoxia/reoxygenation injury by a nucleotide binding oligomerization domain containing 2 (NOD2)-dependent mechanism. The results showed that isoflurane increased cell viability, and decreased autophagosome generation in primary cardiomyocytes under anoxia/reoxygenation conditions. In addition, western blot revealed that isoflurane reduces the expression of NOD2. Overexpression of NOD2 is accompanied by an increased expression of autophagy-related genes, decreased cell viability, and enhanced expression of phosphorylation p38-mitogen-activated protein kinase (p38MAPK), while NOD2 knockdown exerted the opposite effect. Following preconditioning with SB203580, a p38MAPK inhibitor, the inhibitory effect of isoflurane on cardiomyocytes autophagy was further enhanced, which suggests that p38MAPK is involved in the mechanism of cardioprotection provided by isoflurane. These findings reveal a novel mechanism underlying isoflurane afford protection of myocardial injury. PMID- 27865881 TI - Modulation of quadriceps corticospinal excitability by femoral nerve stimulation. AB - INTRODUCTION: We explored the conditioning effect of a percutaneous electrical pulse of the femoral nerve on cortical motor evoked responses in the rectus femoris muscle. METHODS: Corticospinal excitability of rectus femoris muscle was measured in sixteen healthy subjects, when a single transcranial magnetic pulse was preceded by an electrical femoral nerve stimulus, using twelve inter-stimulus intervals (from 10 to 275ms). We also evaluated the effects of the intensities of the transcranial magnetic and of the electrical pulses. RESULTS: Quadriceps motor evoked potentials were inhibited and facilitated when a single femoral nerve electrical stimulus was delivered at inter-stimulus intervals of 25ms and 150ms, respectively. The facilitation was reduced when low electrical intensity was used, while the inhibition decreased with high intensity transcranial magnetic pulse. CONCLUSION: Afferent inputs of a femoral stimulation modulate the responses elicited by transcranial magnetic pulses of the contralateral quadriceps motor cortex. This modulation indicates a sensorimotor integration of proximal lower limb muscles that may be mediated via different types of afferents. This could be of relevance for studies that explore the role of lower limb muscles in postural control and balance. PMID- 27865882 TI - Assessing and conceptualizing frontal EEG asymmetry: An updated primer on recording, processing, analyzing, and interpreting frontal alpha asymmetry. AB - Frontal electroencephalographic (EEG) alpha asymmetry is widely researched in studies of emotion, motivation, and psychopathology, yet it is a metric that has been quantified and analyzed using diverse procedures, and diversity in procedures muddles cross-study interpretation. The aim of this article is to provide an updated tutorial for EEG alpha asymmetry recording, processing, analysis, and interpretation, with an eye towards improving consistency of results across studies. First, a brief background in alpha asymmetry findings is provided. Then, some guidelines for recording, processing, and analyzing alpha asymmetry are presented with an emphasis on the creation of asymmetry scores, referencing choices, and artifact removal. Processing steps are explained in detail, and references to MATLAB-based toolboxes that are helpful for creating and investigating alpha asymmetry are noted. Then, conceptual challenges and interpretative issues are reviewed, including a discussion of alpha asymmetry as a mediator/moderator of emotion and psychopathology. Finally, the effects of two automated component-based artifact correction algorithms-MARA and ADJUST-on frontal alpha asymmetry are evaluated. PMID- 27865877 TI - Cough in the Athlete: CHEST Guideline and Expert Panel Report. AB - BACKGROUND: Cough is a common symptom experienced by athletes, particularly after exercise. We performed a systematic review to assess the following in this population: (1) the main causes of acute and recurrent cough, either exercise induced or not, (2) how cough is assessed, and (3) how cough is treated in this population. From the systematic review, suggestions for management were developed. METHODS: This review was performed according to the CHEST methodological guidelines and Grading of Recommendations Assessment, Development and Evaluation framework until April 2015. To be included, studies had to meet the following criteria: participants had to be athletes and adults and adolescents aged >= 12 years and had to complain of cough, regardless of its duration or relationship to exercise. The Expert Cough Panel based their suggestions on the data extracted from the review and final grading by consensus according to a Delphi process. RESULTS: Only 60 reports fulfilled the inclusion criteria, and the results of our analysis revealed only low-quality evidence on the causes of cough and how to assess and treat cough specifically in athletes. Although there was no formal evaluation of causes of cough in the athletic population, the most common causes reported were asthma, exercise-induced bronchoconstriction, respiratory tract infection (RTI), upper airway cough syndrome (UACS) (mostly from rhinitis), and environmental exposures. Cough was also reported to be related to exercise-induced vocal cord dysfunction among a variety of less common causes. Although gastroesophageal reflux disease (GERD) is frequent in athletes, we found no publication on cough and GERD in this population. Assessment of the causes of cough was performed mainly with bronchoprovocation tests and suspected disease-specific investigations. The evidence to guide treatment of cough in the athlete was weak or nonexistent, depending on the cause. As data on cough in athletes were hidden in a set of other data (respiratory symptoms), evidence tables were difficult to produce and were done only for cough treatment in athletes. CONCLUSIONS: The causes of cough in the athlete appear to differ slightly from those in the general population. It is often associated with environmental exposures related to the sport training environment and occurs predominantly following intense exercise. Clinical history and specific investigations should allow identification of the cause of cough as well as targeting of the treatment. Until management studies have been performed in the athlete, current guidelines that exist for the general population should be applied for the evaluation and treatment of cough in the athlete, taking into account specific training context and anti-doping regulations. PMID- 27865883 TI - Effects of salinity and copper co-exposure on copper bioaccumulation in marine rabbitfish Siganus oramin. AB - Marine fish living in estuaries and coastal areas commonly encounter the stress of both salinity and metal pollution. In this study, euryhaline rabbitfish Siganus oramin were exposed to 50 MUg L-1 waterborne Cu or 300 MUg g-1 dry wt dietary Cu at salinity 330/00, 250/00, 200/00, 100/00, and 50/00 for 30 days. The Cu accumulation in the liver (>20-fold increase) and intestine (>5-fold increase) significantly increased after either waterborne or dietary Cu acclimation. Moreover, Cu accumulation was further enhanced in the liver, intestine, plasma, and whole body of Cu-exposed fish at lower salinities. Similarly, the waterborne Cu uptake rate constants (kus) were stable in the control at different salinities but increased significantly (2-4 times higher) after waterborne Cu exposure. Conversely, the dietary Cu assimilation efficiencies (AEs) were significantly lower in the dietary Cu-exposed fish (3-5%) than in the control fish (8-16%) at different salinities, suggesting that dietary Cu acclimation partially alleviated the dietary Cu uptake from the high-Cu diet. The Cu efflux rate constants (kes) were comparable among all treatments as 0.060-0.071 d-1. The changes of Cu accumulation by different salinities and Cu exposure were well estimated by the biokinetic modeling. In summary, the present study indicates that rabbitfish can regulate Cu uptake and accumulation when acclimated to different salinities, but the Cu-exposed rabbitfish failed to prevent the elevation of Cu accumulation at low salinities. It therefore suggested that the concurrence of low salinity and high Cu exposure enhances the risks of Cu bioaccumulation and toxicity in rabbitfish. PMID- 27865884 TI - Photodegradation behaviour of sethoxydim and its comercial formulation Poast(r) under environmentally-relevant conditions in aqueous media. Study of photoproducts and their toxicity. AB - Photolysis is an important route for the abiotic degradation of many pesticides. However, the knowledge of the photolytic behaviour of these compounds and their commercial formulations under environmentally-relevant conditions are limited. The present study investigated the importance of photochemical processes on the persistence and fate of the herbicide sethoxydim and its commercial formulation Poast(r) in aqueous media. Moreover, the effect of important natural water substances (nitrate, calcium, and ferric ions) on the photolysis of the herbicide was also studied. The results showed that additives existing in the commercial formulation Poast(r) accelerated the rate of photolysis of sethoxydim by a factor of 3. On the contrary, the presence of nitrate and calcium ions had no effect on the photodegradation rate while ferric ions resulted in an important decrease in the half-life of sethoxydim possibly due to the formation of a complex. Different transformation products were identified in the course of sethoxydim irradiation and the effect of experimental conditions on their concentrations was investigated. Finally, Microtox(r) test revealed that aqueous solutions of sethoxydim photoproducts increased the toxicity to the bacteria Vibrio fischeri. PMID- 27865886 TI - Social regulation of ageing by young workers in the honey bee, Apis mellifera. AB - Organisms' lifespans are modulated by both genetic and environmental factors. The lifespan of eusocial insects is determined by features of the division of labor, which itself is influenced by social regulatory mechanisms. In the honey bee, Apis mellifera, the presence of brood and of old workers carrying out foraging tasks are important social drivers of ageing, but the influence of young adult workers is unknown, as it has not been experimentally teased apart from that of brood. In this study, we test the role of young workers in the ageing of their nestmates. We measured the impact of different social contexts characterized by the absence of brood and/or young adults on the lifespan of worker nestmates in field colonies. To acquire insight into the physiological processes occurring under these contexts, we analyzed the expression of genes known to affect honey bee ageing. The data showed that young workers significantly reduced the lifespan of nestmate workers, similar to the effect of brood on its own. Differential expression of vitellogenin, major royal jelly protein-1, and methylase transferase, but not methyl farneosate epoxidase genes suggests that young workers and brood influence ageing of adult nestmate workers via different physiological pathways. We identify young workers as an essential part of the social regulation of ageing in honey bee colonies. PMID- 27865885 TI - Perforations and angulations of 324 cervical medial cortical pedicle screws: a possible guide to avoid lateral perforations with use of pedicle screws in lower cervical spine. AB - BACKGROUND CONTEXT: More than half of the perforations reported with usage of cervical pedicle screws (CPS) are lateral perforations, endangering the vertebral artery. The medial cortical pedicle screw (MCPS) technique with partial drilling of the medial cortex shifts the trajectory of pedicle screws medially, decreasing the lateral perforations. PURPOSE: To evaluate the decrease in lateral perforations of CPS with use of MCPS technique, in relation to medial angulation. STUDY DESIGN/SETTING: Retrospective analysis and technical report of the MCPS technique and its safety. PATIENT SAMPLE: A total of 58 patients operated on between December 2011 and May 2015 with insertion of pedicle screws from C3 to C7 were included in the study. OUTCOME MEASURES: Axial reconstructed computed tomography (CT) scan images of the inserted screws were evaluated for placement, perforations, and transverse plane angulations using the Surgimap software (Surgimap Spine 1.1.2.271 Intl. 2009 Nemaris LLC). The angulations of screws were analyzed by the type and level of placement through unpaired t test and analysis of variance test. METHODS: A total of 58 patients operated on between December 2011 and May 2015 with insertion of pedicle screws from C3 to C7 were included in the study. There were 49 males and 9 females. Thirty-seven patients had cervical trauma, 17 had cervical spondylotic myelopathy, two had tumors, and two had ankylosing spondylitis. The average age was 49 years (range 18 to 80 years). The screws were inserted using the MCPS technique. All patients underwent postoperative CT scans with GE Optima CT540 16 slice CT scanner (GE Healthcare Chalfont St. Giles, Buckinghamshire, UK). Axial reconstructed images along the axis of the inserted screws were evaluated for placement and perforations. Further, all the screws were evaluated for transverse plane angulations using the Surgimap software. The angulations of screw were analyzed by the type and level of placement through unpaired t test and analysis of variance test. No funds were received by any of the authors for the purpose of the present study. RESULTS: A total of 324 screws were assessed with postoperative CT scans. Two hundred fifty six were found to be placed within the pedicle and 68 (20.98%) screws were found to have perforations. Forty screws (12.34%) had grade I medial perforations, 14 screws (4.32%) had grade I lateral perforations, 10 screws (3.08%) had grade II medial perforations, and 4 screws (1.23%) had grade IIlateral perforations. The average angulation of the nonperforated screws (n=256) was 28.6 degrees (43 degrees -17 degrees ), that of laterally perforated screws was 20.33 degrees (13 degrees -24 degrees ), and that of the medially perforated screws was 34.94 degrees (45 degrees -20 degrees ). On statistical analysis with each series, the 99% CI range for the in-screw angles was 27.91 degrees to 29.34 degrees ; for the laterally perforated screw series, it was 18.42 degrees to 22.23 degrees ; and that for the medially perforated screw series was 32.97 degrees to 36.9 degrees . CONCLUSIONS: The MCPS technique represents a shift in the concept of placement of CPS from the cancellous core to the medial cortex, avoiding screw deflection laterally by the thick proximal medial cortex. The present study shows that the lateral perforations can be consistently avoided, with a medial angulation of more than 27.91 degrees , which is the primary concern with the use of pedicle screws in lower cervical spine. Further, the MCPS technique reduces the lateral perforations at a lesser insertion angle, which is technically desirable. PMID- 27865887 TI - Effects of altered parental folate and one-carbon nutrient status on offspring growth and metabolism. PMID- 27865888 TI - A morphological and molecular study of Pseudocorynosoma Aznar, Perez Ponce de Leon and Raga 2006 (Acanthocephala: Polymorphidae) from Mexico with the description of a new species and the presence of cox 1 pseudogenes. AB - Pseudocorynosoma tepehuanesi n. sp., is described from the intestine of the ruddy duck Oxyura jamaicensis Gmelin, 1789 from single locality from northern Mexico. The new species is mainly distinguished morphologically from the other five described species of Pseudocorynosoma from the Americas (P. constrictum, type species, P. peposacae, P. anatarium, P. enrietti and P. iheringi) associated with waterfowl species by possessing a proboscis with 15 longitudinal rows with 7-8 hooks each, a trunk expanded anteriorly and by having smaller lemniscus. Partial sequences of the mitochondrial gene cytochrome c oxidase subunit I (cox 1) and the large subunit (LSU) of ribosomal DNA including the domains D2+D3 were used independently to corroborate the morphological distinction between the new species and other two congeneric species (P. constrictum and P. anatarium) from North America. The genetic divergence estimated among the new species and the other two species ranged from 15 to 18% for cox 1 and from 3.2 to 4% for LSU. The cox 1 alignment shows 24 sequences from P. anatarium with abnormalities, which were defined as pseudogenes due the presence of insertions, deletions and premature stop codons. Maximum likelihood and Bayesian inference analyses with each data set showed that the acanthocephalans from ruddy duck represent an independent clade with strong bootstrap support and posterior probabilities. The phylogenetic tree inferred with cox 1 gene placed all the pseudogenes from P. anatarium in single clade suggesting that those genes arose after speciation process within genus Pseudocorynosoma. The morphological evidence, plus the monophyly in both phylogenetic analyses indicate that the acanthocephalans collected from intestine of the ruddy duck from northern Mexico represent a new species. PMID- 27865889 TI - Time to review treatment of isoniazid-resistant tuberculosis? PMID- 27865891 TI - Treatment of isoniazid-resistant tuberculosis with first-line drugs: a systematic review and meta-analysis. AB - BACKGROUND: The results of some reports have suggested that treatment of isoniazid-resistant tuberculosis with the recommended regimens of first-line drugs might be suboptimal. We updated a previous systematic review of treatment outcomes associated with use of first-line drugs in patients with tuberculosis resistant to isoniazid but not rifampicin. METHODS: In this systematic review, we updated the results of a previous review to include randomised trials and cohort studies published in English, French, or Spanish to March 31, 2015, containing results of standardised treatment of patients with bacteriologically confirmed isoniazid-resistant tuberculosis (but not multidrug-resistant tuberculosis-ie, not resistant to rifampicin) in whom failure and relapse were bacteriologically confirmed. Results in patients with drug-sensitive tuberculosis included in the same studies were also analysed. We pooled treatment outcomes with random-effects meta-analysis. FINDINGS: We identified 19 cohort studies and 33 trials with 3744 patients with isoniazid-resistant tuberculosis and 19 012 patients with drug sensitive disease. The pooled rates of failure or relapse, or both, and acquired drug resistance with all drug regimens were 15% (95% CI 12-18) and 3.6% (2-5), respectively, in patients with isoniazid-resistant tuberculosis and 4% (3-5) and 0.6% (0.3-0.9) in those with drug-sensitive tuberculosis. Of patients with initial isoniazid-resistant tuberculosis with acquired drug resistance, 96% (93 99) had acquired multidrug-resistant disease. Treatment of isoniazid-resistant tuberculosis with the WHO standard regimen for new patients resulted in treatment failure, relapse, and acquired multidrug resistance in 11% (6-17), 10% (5-15) and 8% (3-13), respectively; treatment with the standard WHO regimen for previously treated patients resulted in treatment failure in 6% (2-10), relapse in 5% (2-8), and acquisition of multidrug resistance in 3% (0-6). For patients with drug sensitive disease treated with the standard retreatment regimen the rates were 1% (0-2), 5% (4-7), and 0.3% (0-0.6). INTERPRETATION: Treatment of isoniazid resistant tuberculosis with first-line drugs resulted in suboptimal outcomes, supporting the need for better regimens. Standardised empirical treatment of new cases could be contributing substantially to the multidrug-resistant epidemic, particularly in settings where the prevalence of isoniazid resistance is high. FUNDING: Canadian Institutes of Health Research. PMID- 27865892 TI - Dihydroartemisinin-piperaquine: if it works for control, can we use it for elimination? PMID- 27865890 TI - Safety, tolerability, and efficacy of repeated doses of dihydroartemisinin piperaquine for prevention and treatment of malaria: a systematic review and meta analysis. AB - BACKGROUND: Intermittent preventive treatment (IPT) for malaria is used in infants, children, adults, and pregnant women. Dihydroartemisinin-piperaquine (DP) is an effective, well tolerated artemisinin-based combination therapy. The long half-life of piperaquine makes it attractive for IPT. We conducted a systematic review and meta-analysis to establish the efficacy and safety of repeated treatment with DP. METHODS: Following PRISMA guidelines, we searched multiple databases on Sept 1, 2016, with the terms: "human" AND "dihydroartemisinin-piperaquine" OR "DHA-PPQ". Studies were eligible if they were randomised controlled trials (RCTs) or prospective cohort studies involving repeat exposures to standard 3-day courses of DP for either seasonal malaria chemoprevention, mass drug administration, or treatment of clinical malaria, conducted at any time and in any geographic location. Random-effects meta analysis was used to generate pooled incidence rate ratios and relative risks, or risk differences. FINDINGS: 11 studies were included: two repeat treatment studies (one in children younger than 5 years and one in pregnant women), and nine IPT trials (five in children younger than 5 years, one in schoolchildren, one in adults, two in pregnant women). Comparator interventions included placebo, artemether-lumefantrine, sulfadoxine-pyrimethamine (SP), SP+amodiaquine, SP+piperaquine, SP+chloroquine, and co-trimoxazole. Of 14 628 participants, 3935 received multiple DP courses (2-18). Monthly IPT-DP was associated with an 84% reduction in the incidence of malaria parasitaemia measured by microscopy compared with placebo. Monthly IPT-DP was associated with fewer serious adverse events than placebo, daily co-trimoxazole, or monthly SP. Among 56 IPT-DP recipients (26 children, 30 pregnant women) with cardiac parameters, all QTc intervals were within normal limits, with no significant increase in QTc prolongation with increasing courses of DP. INTERPRETATION: Monthly DP appears well tolerated and effective for IPT. Additional data are needed in pregnancy and to further explore the cardiac safety with monthly dosing. FUNDING: Bill & Melinda Gates Foundation and NIH. PMID- 27865894 TI - Activation of peroxisome proliferator-activated receptor gamma in mammary epithelial cells upregulates the expression of tumor suppressor Cyld to mediate growth inhibition and anti-inflammatory effects. AB - Several studies have implicated the downregulation of the tumor suppressor Cyld expression in breast cancer development. However, the mechanisms that regulate Cyld expression in mammary epithelial cells are largely unknown. In order to investigate them, a bioinformatic analysis of the promoter region of Cyld was performed and identified putative nuclear hormone receptor response elements that included peroxisome proliferator-activated receptor gamma (PPAR-gamma)-responsive elements. In the present study, we showed that upon activation of the nuclear hormone receptor PPAR-gamma by the agonist troglitazone (TZD), there was a significant increase in Cyld mRNA in human mammary epithelial cell lines. The effect of TZD could be attributed to the transactivation of the Cyld promoter as indicated by the upregulation of a luciferase reporter that was driven by the 1995 to +95 region of the human Cyld gene. Furthermore, the upregulation of Cyld expression by TZD was dependent on PPAR-gamma since downregulation of PPAR-gamma expression by RNAi compromised the induction of Cyld expression by TZD. CYLD induction mediated, at least in part, the TZD-mediated downregulation of tumor necrosis factor alpha (TNFalpha)-induced interleukin 8 (IL-8). In addition, downregulation of CYLD compromised the cytotoxic effects of TZD in immortalized mammary epithelial cells. Our results demonstrated that PPAR-gamma is a novel regulator of Cyld transcription and identified CYLD as a mediator of the PPAR gamma-dependent anti-inflammatory and anti-proliferative activity in mammary epithelial cells, which underscores its potential to be used as a target for the development of breast cancer therapeutic approaches. PMID- 27865896 TI - Reduced cytotoxicity in PCB-exposed Chinese Hamster Ovary (CHO) cells pretreated with vitamin E. AB - The aim of this study was to evaluate protective effects of vitamin E (50 -150 MUM) in ovary cells upon cytotoxic effects induced by two structurally distinct PCB congeners - planar "dioxin-like" PCB 77 and non-planar di-ortho-substituted PCB 153 with an emphasis on identifying differences in the mechanism of vitamin E action depending on the structure of congeners. Application of three bioassays confirmed that PCBs decrease ovarian cell proliferation with slightly profound effects of PCB 77. PCB - induced ROS production and lipid peroxidation were significant for both congeners with also more noticeable effect for PCB 77. Vitamin E pre-incubation has improved viability of cells, reduced ROS formation and lipid peroxidation induced by PCBs' treatment. Preincubation with vitamin E was more effective when cells where treated with non-planar PCB 153. Altogether, vitamin E action was protective, congener specific and more effective when ovary cells were exposed to ortho-substituted PCB congener. PMID- 27865895 TI - Intensive care unit-acquired pneumonia due to Pseudomonas aeruginosa with and without multidrug resistance. AB - OBJECTIVE: Pseudomonas aeruginosa often presents multi-drug resistance (MDR) in intensive care unit (ICU)-acquired pneumonia (ICUAP), possibly resulting in inappropriate empiric treatment and worse outcomes. We aimed to identify patients with ICUAP at risk for these pathogens in order to improve treatment selection and outcomes. METHODS: We prospectively assessed 222 consecutive immunocompetent ICUAP patients confirmed microbiologically. We determined the characteristics, risk factors, systemic inflammatory response and outcomes of P. aeruginosa pneumonia (Pa-ICUAP), compared to other aetiologies. We also compared patients with MDR vs. non-MDR Pa-ICUAP. RESULTS: Pseudomonas aeruginosa was the most frequent aetiology (64, 29%); 22 (34%) cases had MDR. Independent predictors for Pa-ICUAP were prior airway colonization by P. aeruginosa, previous antibiotic treatment, solid cancer and shock; alcohol abuse and pleural effusion were independently associated to lower risk for Pa-ICUAP. Chronic liver disease independently predicted MDR among Pa-ICUAP. The inflammatory biomarkers were similar between all groups. Patients with Pa-ICUAP had lower unadjusted 90-day survival (p = 0.049). However, the 90-day survival adjusted for confounding factors using a propensity score did not differ between all groups. CONCLUSION: Pseudomonas aeruginosa remains the most frequent aetiology of ICUAP, with high prevalence of MDR. These risk factors should be taken into account to avoid inappropriate empiric antibiotics for Pa-ICUAP. Pseudomonas aeruginosa, regardless multidrug resistance, was not associated with different propensity adjusted survival. PMID- 27865893 TI - Sex and genetic differences in the effects of acute diesel exhaust exposure on inflammation and oxidative stress in mouse brain. AB - In addition to increased morbidity and mortality caused by respiratory and cardiovascular diseases, air pollution may also contribute to central nervous system (CNS) diseases. Traffic-related air pollution is a major contributor to global air pollution, and diesel exhaust (DE) is its most important component. DE contains more than 40 toxic air pollutants and is a major constituent of ambient particulate matter (PM), particularly of ultrafine-PM. Limited information suggests that exposure to DE may cause oxidative stress and neuroinflammation in the CNS. We hypothesized that males may be more susceptible than females to DE neurotoxicity, because of a lower level of expression of paraoxonase 2 (PON2), an intracellular anti-oxidant and anti-inflammatory enzyme. Acute exposure of C57BL/6 mice to DE (250-300MUg/m3 for 6h) caused significant increases in lipid peroxidation and of pro-inflammatory cytokines (IL-1alpha, IL-1beta, IL-3, IL-6, TNF-alpha) in various brain regions (particularly olfactory bulb and hippocampus). In a number of cases the observed effects were more pronounced in male than in female mice. DE exposure also caused microglia activation, as measured by increased Iba1 (ionized calcium-binding adapter molecule 1) expression, and of TSPO (translocator protein) binding. Mice heterozygotes for the modifier subunit of glutamate cysteine ligase (the limiting enzyme in glutathione biosynthesis; Gclm+/- mice) appeared to be significantly more susceptible to DE-induced neuroinflammation than wild type mice. These findings indicate that acute exposure to DE causes neuroinflammation and oxidative stress in brain, and suggest that sex and genetic background may play important roles in modulating susceptibility to DE neurotoxicity. PMID- 27865898 TI - Keeping time in the chest. PMID- 27865897 TI - Enigmas in tumor resistance to kinase inhibitors and calculation of the drug resistance index for cancer (DRIC). AB - Darwinian selection is also applicable when antibiotics, the immune system or other host factors shape the repertoire of microorganisms, and similarly, clonal selection is the hallmark of tumor evolution. The ongoing revolution in new anti cancer treatment modalities, combined with an unprecedented precision in characterizing malignant clones at the level below one percent, profoundly improves the understanding of repertoire-tuning mechanisms. There is no fundamental difference between selection of the tumor cells in the presence, or absence, of therapy. However, under treatment the influence of a single agent can be measured, simplifying the analysis. Because of their beneficial and selective therapeutic effect, the focus in this review is set on protein kinase inhibitors (PKIs), predominantly tyrosine kinase inhibitors (TKIs). This is one of the most rapidly growing families of novel cancer medicines. In order to limit the number of drugs, the following representative target kinases are included: ALK, BCR-ABL, BRAF, BTK, and EGFR. A key therapeutic challenge is how to reduce tumor growth after treatment, since this is rate-limiting for the generation and expansion of more malignant escape mutants. Thus, upon efficient treatment, tumor cell loss often enables a profoundly increased growth rate among resistant cells. Strategies to reduce this risk, such as concomitant, competitive outgrowth of non transformed cells, are described. Seven parameters: 1. Drug type, 2. tumor type, 3. presence of metastases or phenotypic change, 4. tumor cell number, 5. net growth rate (proliferation minus cell death), 6. inherited genetic- and 7. epigenetic- variations are crucial for drug responses. It is envisaged that it might become possible to calculate a clinically relevant Drug Resistance Index for Cancer (DRIC) for each patient. PMID- 27865899 TI - A systematic review finds limited data on measurement properties of instruments measuring outcomes in adult intensive care unit survivors. AB - BACKGROUND AND OBJECTIVE: There is a growing number of studies evaluating the physical, cognitive, mental health, and health-related quality of life (HRQOL) outcomes of adults surviving critical illness. However, there is little consensus on the most appropriate instruments to measure these outcomes. To inform the development of such consensus, we conducted a systematic review of the performance characteristics of instruments measuring physical, cognitive, mental health, and HRQOL outcomes in adult intensive care unit (ICU) survivors. METHODS: We searched PubMed, Embase, PsycInfo, Cumulative Index of Nursing and Allied Health Literature, and The Cochrane Library in March 2015. We also conducted manual searches of reference lists of eligible studies and relevant review articles. Two people independently selected studies, completed data abstraction, and assessed the quality of eligible studies using the COnsensus-based Standards for the selection of health Measurement Instruments (COSMIN) initiative checklist. RESULTS: We identified 20 studies which explicitly evaluated measurement properties for 21 different instruments assessing outcomes in ICU survivors. Eleven of the instruments assessed quality of life, with few instruments assessing other domains. Of the nine measurement properties evaluated on the COSMIN checklist, six were assessed in <10% of the evaluations. Overall quality of eligible studies was generally poor to fair based on the COSMIN checklist. CONCLUSIONS: Although an increasing number of studies measure physical, cognitive, mental health, and HRQOL outcomes in adult ICU survivors, data on the measurement properties of such instruments are sparse and generally of poor to fair quality. Empirical analyses evaluating the performance of instruments in adult ICU survivors are needed to advance research in this field. PMID- 27865901 TI - Published randomized trials performed in Sub-Saharan Africa focus on high-burden diseases but are frequently funded and led by high-income countries. AB - BACKGROUND AND OBJECTIVE: In light of funding constraints in Sub-Saharan Africa (SSA), the value of research performed there must be increased. The objective of this study was to describe the epidemiology of published randomized controlled trials (RCTs) performed in SSA. METHODS: We searched PubMed, the Cochrane library, and African Index Medicus to identify reports of all RCTs performed in SSA and published between January 1, 2014 and March 31, 2015. We systematically recorded the country of the affiliation of the corresponding author and the funding source. The overall burden of disease was assessed by 2013 disability adjusted life years (both sexes, all ages) in percentages for two locations: SSA and high-income countries (HICs). RESULTS: Only 12 of 121 RCTs were conducted in both Sub-Saharan Africa and another region, with 109 of 121 RCTs (90%) having trial centers exclusively located in SSA. The corresponding author's only affiliation was in SSA for 44/109 trials (40%) and was institutions in HICs for almost half of the trials. The funding source was nonprofit for 77/109 trials (70%) and was from HICs for 81% (n = 63/77). Overall, most RCTs targeted diseases with a high burden in SSA; 46% of the trials targeted the five diseases with the highest burden in SSA, mainly malaria (n = 25), HIV/AIDS (n = 24), lower respiratory tract infection (n = 2), diarrheal diseases (n = 3), and preterm birth complications (n = 2). Nevertheless, among the 25 diseases or health related conditions with the highest burden in SSA, 9 (36%) were not assessed in any RCT. CONCLUSIONS: Published RCTs performed in SSA were mainly funded and led by HIC institutions, although investigations concerned diseases highly prevalent in SSA. PMID- 27865900 TI - Potentially unnecessary and wasteful clinical trial research detected in cumulative meta-epidemiological and trial sequential analysis. AB - OBJECTIVE: The objective was to estimate the presence and extent to which potentially unnecessary and therefore maybe wasteful clinical trials regarding relevant interventions and outcomes in major clinical areas had been conducted. STUDY DESIGN AND SETTING: From current Cochrane collaboration systematic reviews in major medical fields (e.g., cardiovascular disease, cancer, psychiatry), 13 different comparisons were sampled. A cumulative meta-analysis was conducted for each and trial sequential analysis applied to determine when in the course of evidence accrual evidence was found sufficient to reach a reliable conclusion. Trials published afterward were considered potentially unnecessary. Sensitivity analysis is performed, for example, to determine if findings could be explained by a delayed perception of published findings when planning new trials. RESULTS: In 8/13 cases, potentially unnecessary research was detected to an extent of between 12% and 89% of all participants in trials that might not have been needed. In three of these cases with high proportions (69-89%) of potentially unnecessary research, this finding was found basically unchanged in sensitivity analysis, when only trials published 3 or 5 years after sufficient evidence had already been published were considered potentially wasteful. CONCLUSIONS: The reasonableness of claims to relevance of additional trials needs to be much more carefully evaluated in the future. Cumulative, information size bases analysis might be included in systematic reviews. Research policies to prevent unnecessary research from being done need to be developed. PMID- 27865902 TI - The regression discontinuity design showed to be a valid alternative to a randomized controlled trial for estimating treatment effects. AB - OBJECTIVES: To compare treatment effect estimates obtained from a regression discontinuity (RD) design with results from an actual randomized controlled trial (RCT). STUDY DESIGN AND SETTING: Data from an RCT (EVIDENT), which studied the effect of an Internet intervention on depressive symptoms measured with the Patient Health Questionnaire (PHQ-9), were used to perform an RD analysis, in which treatment allocation was determined by a cutoff value at baseline (PHQ-9 = 10). A linear regression model was fitted to the data, selecting participants above the cutoff who had received the intervention (n = 317) and control participants below the cutoff (n = 187). Outcome was PHQ-9 sum score 12 weeks after baseline. Robustness of the effect estimate was studied; the estimate was compared with the RCT treatment effect. RESULTS: The final regression model showed a regression coefficient of -2.29 [95% confidence interval (CI): -3.72 to .85] compared with a treatment effect found in the RCT of -1.57 (95% CI: -2.07 to -1.07). CONCLUSION: Although the estimates obtained from two designs are not equal, their confidence intervals overlap, suggesting that an RD design can be a valid alternative for RCTs. This finding is particularly important for situations where an RCT may not be feasible or ethical as is often the case in clinical research settings. PMID- 27865905 TI - Editorial Comment. PMID- 27865903 TI - On-command controlled drug release by diels-Alder reaction using Bi-magnetic core/shell nano-carriers. AB - A novel bi-functional thermo-responsive system, consisting of core/shell bi magnetic nanoparticles with furan surface functionality, is bonded with N-(2 Carboxyethyl)maleimide through Diels-Alder reaction. The chemotherapeutics doxorubicin is attached onto the surface, with a high loading efficiency of 92%. This system with high responsiveness to a high frequency external alternating magnetic field shows a very good therapeutic efficiency in hyperthermia and drug release at relatively low temperatures (50 degrees C). Polyhedron-shaped bi magnetic nanoparticles (Zn0.4Co0.6Fe2O4@Zn0.4Mn0.6Fe2O4) exhibit a significant increase of the specific energy absorption rate up to 455W/g compared with the core nanoparticles (200W/g). Real-time florescence spectroscopy studies demonstrate rapid release of doxorubicin up to 50% in 5min and up to 92% after 15min upon exposure to high frequency external alternating magnetic field. The stability is evaluated for 8 weeks in phosphate buffer saline with a doxorubicin payload of 85%. In vitro studies using standard MTT cell assays with HeLa and Hep G2 lines prove an excellent biocompatibility with about 90% of cell viability after 24h of treatment within the highest concentration of functionalized magnetic nanoparticles (200MUg/mL). The results indicate a controlled drug release mediated by thermo-responsive switching under applied alternating magnetic field. PMID- 27865906 TI - Editorial Comment. PMID- 27865904 TI - Surprises of electron microscopic imaging of proteins and polymers covering gold nanoparticles layer by layer. AB - Gold nanoparticles (GNPs) are used in complicated nanoconstructions, and their preparation implies careful analysis of the intermediate and resulting products, including visualisation of the NPs. Visualisation of protein and/or organic polymer covers on GNPs using electron microscopy (EM) was a goal of this study. We covered GNPs with human serum albumin or PEG, and then added a second layer of branched or linear polyethyleneimine. EM studies were supplemented with dynamic light scattering, spectrophotometry and gel electrophoresis, which confirmed the presence and integrity of a cover on GNPs in mixtures with uranylacetate (UA) or phosphotungstic acid (PTA). Covered GNPs were contrasted 'on a drop' or in suspension with UA (pH 4.5) or PTA (pH 0.5, 3.0, 5.0 and 7.0), and studied by transmission EM. A cover on GNPs becomes visible as the result of direct interaction of UA or PTA with the components of a layer. The same NPs could look 'naked' or demonstrate a distinct cover of average electron density. The most distinct images of the layers were obtained using PTA at pH 0.5. Thus, visualisation of protein and/or polymeric layers covering the GNPs by EM depends on the type of contrasting reagent and contrasting conditions, but does not depend on surface charge of the NPs and the chemical nature of a cover. PMID- 27865907 TI - Differential regulation of glial reactions in the central facial tract and the facial nucleus after facial neurorrhaphy. AB - We previously reported that perineuronal astrocytic and microglial reactions are drastically upregulated in the facial nucleus after facial axotomy at the brain stem surface or the stylomastoid foramen. Furthermore, periaxonal astrocytic and microglial reactions develop retrogradely in the central facial tract which contains proximal facial axons in the brain stem. Because reconnection of interrupted peripheral nerve by microsurgical suture is a common clinical practice, the aim of this study was to investigate the spatiotemporal patterns of glial reactions in the central facial tract and the facial nucleus after facial neurorrhaphy. Here, we show immunofluorescent and immunohistochemical evidence that facial neurorrhaphy at the stylomastoid foramen largely prevented axotomy induced astrocytic and microglial activation in the central facial tract. In contrast, glial reactions in the facial nucleus were still highly elevated after facial neurorrhaphy. Microglial and astrocytic processes were observed to ensheath the facial motoneurons in the facial nucleus. Nevertheless, the transformation of ramified to amoeboid shape of microglia, occurring at 10 weeks after facial axotomy, was not seen after neurorrhaphy. We further examined the effect of N-nitro-l-arginine methyl ester (L-NAME), an inhibitor of nitric oxide synthase (NOS), on glial reactions after neurorrhaphy. Western blot analyses demonstrate that inhibition of nitric oxide (NO) production significantly reduced microglial but not astrocytic reaction in the facial nucleus after neurorrhaphy. Taken together, these results indicate that in contrast to the intense glial reactions in both the central facial tract and the facial nucleus after facial axotomy, glial reactions are differentially regulated in these two compartments after facial neurorrhaphy. NO is involved in the activation of microglia in the facial nucleus after facial neurorrhaphy. PMID- 27865908 TI - Oleic acid promotes the expression of neural markers in differentiated human endometrial stem cells. AB - Variety of neurodegenerative diseases in humans are caused by loss of cells along with loss of function and disability. Cell replacement therapy is a potential strategy to cure neurodegenerative diseases. Mesenchymal stem cells are pluripotent non-hematopoietic cells that can be isolated from numerous tissues. Human endometrial-derived stem cell (hEnSC) are the abundant and easy available source with no immunological response, for cell replacement therapy. In the nervous system, where fatty acids are found in huge amounts, they participate in its development and maintenance throughout life. Oleic acid is a kind of the saturated fatty acids which plays crucial role in brain development. Oleic acid released by astrocytes is used by neurons for the synthesis of phospholipids and is specifically incorporated into growth cones. Human endometrial-derived stem cells in the third passage were divided into 3 groups including: control, sham (cultured in full differentiation medium without oleic acid) and experimental group (cultured in full differentiation medium with oleic acid) to differentiate over a 18-day period. Data from Real-Time PCR showed that mRNA levels of NF and beta-TUBULIN were increased significantly (p<0.05) in oleic acid treated cells in comparison to control and sham groups. Immunocytochemistry analysis of Chat and NF expression also showed the same results. The present study clearly demonstrates that oleic acid promotes neural differentiation of hEnSC through regulation of gene expression. PMID- 27865909 TI - Experimental evidence concerning the significant information depth of electron backscatter diffraction (EBSD). AB - Experiments concerning the information depth of electron backscatter diffraction (EBSD) are performed on samples featuring an amorphous wedge on a crystalline substrate and a crystalline wedge on an amorphous substrate. The effects of the acceleration voltage and exemplary software settings on the ability to measure through an amorphous layer are presented. Changes in the EBSD-signal could be detected through a ~142nm thick layer of amorphous Si while orientation measurements could be performed through a ~116nm thick layer when using a voltage of 30kV. The complexity of the information depth significant to a given EBSD pattern and the multiple parameters influencing it are discussed. It is suggested that a "core information depth" is significant to high quality patterns while a larger "maximum information depth" becomes relevant when the pattern quality decreases or the sample is inhomogeneous within the information volume, i.e. in the form of partially crystalline materials or crystal layers in the nm scale. PMID- 27865910 TI - Multi-target-directed therapeutic potential of 7-methoxytacrine-adamantylamine heterodimers in the Alzheimer's disease treatment. AB - Alzheimer's disease (AD) is a progressive neurodegenerative disorder and currently there is no efficient treatment. The classic drug-design strategy based on the "one-molecule-one-target" paradigm was found to be ineffective in the case of multifactorial diseases like AD. A novel multi-target-directed ligand strategy based on the assumption that a single compound consisting of two or more distinct pharmacophores is able to hit multiple targets has been proposed as promising. Herein, we investigated 7-methoxytacrine - memantine heterodimers developed with respect to the multi-target-directed ligand theory. The spectroscopic, microscopic and cell culture methods were used for systematic investigation of the interference of the heterodimers with beta-secretase (BACE1) activity, Abeta peptide amyloid fibrillization (amyloid theory) and interaction with M1 subtype of muscarinic (mAChRs), nicotinic (nAChRs) acetylcholine receptors (cholinergic theory) and N-methyl-d-aspartate receptors (NMDA) (glutamatergic theory). The drug-like properties of selected compounds have been evaluated from the point of view of blood-brain barrier penetration and cell proliferation. We have confirmed the multipotent effect of novel series of compounds. They inhibited effectively Abeta peptide amyloid fibrillization and affected the BACE1 activity. Moreover, they have AChE inhibitory potency but they could not potentiate cholinergic transmission via direct interaction with cholinergic receptors. All compounds were reported to act as an antagonist of both M1 muscarinic and muscle-type nicotinic receptors. We have found that 7-methoxytacrine - memantine heterodimers are able to hit multiple targets associated with Alzheimer's disease and thus, have a potential clinical impact for slowing or blocking the neurodegenerative process related to this disease. PMID- 27865911 TI - Allogeneic Hematopoietic Cell Transplantation Is Safe and Effective Treatment in Patients with Myelodysplastic Syndromes Seventy Years and Older. PMID- 27865912 TI - The Value of Minimal Residual Disease (and Diamonds). PMID- 27865913 TI - TiO2/UV based photocatalytic pretreatment of wheat straw for biogas production. AB - The present study deals with the application of an advanced oxidation process combining UV irradiation in the presence of the photocatalyst titanium dioxide (TiO2), as an effective pretreatment method of wheat straw as means for increasing its biodegradability for increased biogas production by anaerobic digestion (AD). Especially attention was paid in oxidation of the lignin in straw, besides release the sugars from the lignocellulosic structure of straw. Specifically, four different TiO2 concentrations (0.0, 0.5, 1.0, 1.5, and 2.0% (w/w) TiO2) were tested at three different irradiation times (0, 1, 2, and 3 h). Products of lignin-fraction oxidation, namely, vanillic acid, ferullic acid and acetic acid were quantified for each set of pretreatment conditions. Subsequently, biochemical methane potentials (BMPs) assays were conducted under thermophilic conditions from differentially pretreated samples and the pretreatment with the best performance was further tested in continuous mode operation. From BMP assays, 1.5% (w/w) TiO2/straw at 3 h of UV light exposure pretreatment resulted in 37% (p < 0.05) increase in methane yield and 25% in CSTRs. It was concluded that the presence of TiO2 and the products of lignin oxidation did not inhibit the AD process. Finally, a simplified energy assessment showed that all pretreatment conditions become feasible when amounts of substrate to be treated are greater than the threshold value of 1.15 g. PMID- 27865914 TI - Analgesia following adenotonsillar surgery in children: is Oramorph required in addition to paracetamol and ibuprofen? AB - BACKGROUND: Recent advice against codeine use in children prompted our unit to prescribe Oramorph as required, in addition to regular paracetamol and ibuprofen, as post-(adeno)tonsillectomy analgesia. This study investigated whether Oramorph was in fact required. METHODS: Following (adeno)tonsillectomy, parents were telephoned and asked whether they used Oramorph. RESULTS: Of 56 children studied, 41 (73.2%) were given Oramorph. In the 15 (26.8%) that were not, this was because parents felt it was not required in 14 children, and in 1 case, it was due to worries about side effects. Overall, 14 carers (25.0%) expressed concerns about Oramorph use, mostly over possible side effects. CONCLUSION: When regular paracetamol and ibuprofen are used post-(adeno)tonsillectomy, nearly three quarters of children require Oramorph as well. Prescribing Oramorph as required, in addition to regular paracetamol and ibuprofen, is appropriate following adenotonsillar surgery. PMID- 27865915 TI - Functional promoter polymorphisms direct the expression of cystathionine gamma lyase gene in mouse models of essential hypertension. AB - Despite the well-known role of cystathionine gamma-lyase (Cth) in cardiovascular pathophysiology, transcriptional regulation of Cth remains incompletely understood. Sequencing of the Cth promoter region in mouse models of genetic/essential hypertension (viz. Blood Pressure High [BPH], Blood Pressure Low [BPL] and Blood Pressure Normal [BPN] mice) identified several genetic variations. Transient transfections of BPH/BPL-Cth promoter-reporter plasmids into various cell types revealed higher promoter activity of BPL-Cth than that of BPH-Cth. Corroboratively, endogenous Cth mRNA levels in kidney and liver tissues were also elevated in BPL mice. Computational analysis of the polymorphic Cth promoter region predicted differential binding affinity of c-Rel, HOXA3 and IRF1 with BPL/BPH-Cth promoter domains. Over-expression of c-Rel/HOXA3/IRF1 modulated BPL/BPH-Cth promoter activities in a consistent manner. Gel shift assays using BPH/BPL-Cth-promoter oligonucleotides with/without binding sites for c Rel/HOXA3/IRF1 displayed formation of specific complexes with c-Rel/HOXA3/IRF1; addition of antibodies to reaction mixtures resulted in supershifts/inhibition of Cth promoter-transcription factor complexes. Furthermore, chromatin immunoprecipitation (ChIP) assays proved differential binding of c-Rel, HOXA3 and IRF1 with the polymorphic promoter region of BPL/BPH-Cth. Tumor necrosis factor alpha (TNF-alpha) reduced the activities of BPL/BPH-Cth promoters to different extents that were further declined by ectopic expression of IRF1; on the other hand, siRNA-mediated down-regulation of IRF1 rescued the TNF-alpha-mediated suppression of the BPL/BPH-Cth promoter activities. In corroboration, ChIP analysis revealed enhanced binding of IRF1 with BPH/BPL-Cth promoter following TNF-alpha treatment. BPL/BPH-Cth promoter activity was diminished upon exposure of hepatocytes and cardiomyoblasts to ischemia-like pathological condition due to reduced binding of c-Rel with BPL/BPH-Cth-promoter. Taken together, this study reveals the molecular basis for the differential expression of Cth in mouse models of essential hypertension under basal and pathophysiological conditions. PMID- 27865917 TI - The co-expression of GluN2B subunits of the NMDA receptors and glucocorticoid receptors after chronic restraint stress in low and high anxiety rats. AB - The aim of this study was to assess the mechanisms underlying behavioural differences between high- (HR) and low- (LR) anxiety rats, selected according to their behaviour in the contextual fear test (i.e., the duration of the freezing response was used as a discriminating variable), after a chronic restraint procedure (21days, 3h daily). We analysed the expression of the GluN2B subunits of the NMDA and glucocorticoid receptors (GRs) in selected brain structures (immunofluorescence). Following chronic restraint stress in the HR rats, we observed a decrease in the expression of the GRs and GluN2B subunits of the NMDA receptor in the prefrontal cortical areas and the hippocampus compared to the HR control and the LR-restraint groups. These effects coincided with an increase in passive depressive-like behaviour in the Porsolt test of the HR rats. Moreover, in the hippocampus, the HR-restraint animals demonstrated decreased glutamate levels and a decreased glutamate/glutamine ratio compared to the LR-restraint rats. Furthermore, the HR-restraint group had increased GRs/GluN2B subunits colocalisation in the basolateral amygdala (BLA) compared to the HR-control and the LR-restraint rats. The present results suggest that in HR rats exposed to chronic restraint stress, the hippocampal and cortical glutamatergic system components are changed. These effects could have a negative influence on the feedback mechanisms regulating the hypothalamic-pituitary-adrenal axis as well as on the behavioural processes expressed as depressive-like symptoms. PMID- 27865916 TI - Neutrophil gelatinase-associated lipocalin and microglial activity are associated with distinct postoperative behavioral changes in rats. AB - Neutrophil gelatinase-associated lipocalin (NGAL) has recently gained interest as a marker for neuroinflammation and associated behavioral dysfunction. We aimed to explore the link between NGAL and behavior in a rat model of postoperative cognitive dysfunction (POCD). Material collected in two previous studies on POCD was analyzed and associated with outcomes for exploratory behavior and spatial learning. Plasma and hippocampal NGAL and microglial activity were analyzed. Pearson's correlations and backward linear regression were performed to study the associations between behavioral parameters, NGAL concentrations, and microglial activity. Plasma and hippocampal NGAL were increased following surgery. Plasma NGAL was associated with impaired spatial learning only, microglial activity was associated with exploratory behavior only, while hippocampal NGAL was associated with both behavioral aspects. Spatial learning was best predicted by a model containing plasma NGAL concentrations and hippocampal microglial activity. NGAL may serve as a sensitive marker in connecting the peripheral inflammatory state to POCD, while postoperative changes in exploratory behavior are better reflected by hippocampal neuroinflammation. These findings warrant further exploration in the role of NGAL in development of postoperative behavioral deficits. PMID- 27865918 TI - Enhanced cued fear memory following post-training whole body irradiation of 3 month-old mice. AB - Typically, in studies designed to assess effects of irradiation on cognitive performance the animals are trained and tested for cognitive function following irradiation. Little is known about post-training effects of irradiation on cognitive performance. In the current study, 3-month-old male mice were irradiated with X-rays 24h following training in a fear conditioning paradigm and cognitively tested starting two weeks later. Average motion during the extinction trials, measures of anxiety in the elevated zero maze, and body weight changes over the course of the study were assessed as well. Exposure to whole body irradiation 24h following training in a fear conditioning resulted in greater freezing levels 2 weeks after training. In addition, motion during both contextual and cued extinction trials was lower in irradiated than sham irradiated mice. In mice trained for cued fear conditioning, activity levels in the elevated zero maze 12days after sham-irradiation or irradiation were also lower in irradiated than sham-irradiated mice. Finally, the trajectory of body weight changes was affected by irradiation, with lower body weights in irradiated than sham-irradiated mice, with the most profound effect 7days after training. These effects were associated with reduced c-Myc protein levels in the amygdala of the irradiated mice. These data indicate that whole body X ray irradiation of mice at 3 months of age causes persistent alterations in the fear response and activity levels in a novel environment, while the effects on body weight seem more transient. PMID- 27865921 TI - Community detection in weighted brain connectivity networks beyond the resolution limit. AB - Graph theory provides a powerful framework to investigate brain functional connectivity networks and their modular organization. However, most graph-based methods suffer from a fundamental resolution limit that may have affected previous studies and prevented detection of modules, or "communities", that are smaller than a specific scale. Surprise, a resolution-limit-free function rooted in discrete probability theory, has been recently introduced and applied to brain networks, revealing a wide size-distribution of functional modules (Nicolini and Bifone, 2016), in contrast with many previous reports. However, the use of Surprise is limited to binary networks, while brain networks are intrinsically weighted, reflecting a continuous distribution of connectivity strengths between different brain regions. Here, we propose Asymptotical Surprise, a continuous version of Surprise, for the study of weighted brain connectivity networks, and validate this approach in synthetic networks endowed with a ground-truth modular structure. We compare Asymptotical Surprise with leading community detection methods currently in use and show its superior sensitivity in the detection of small modules even in the presence of noise and intersubject variability such as those observed in fMRI data. We apply our novel approach to functional connectivity networks from resting state fMRI experiments, and demonstrate a heterogeneous modular organization, with a wide distribution of clusters spanning multiple scales. Finally, we discuss the implications of these findings for the identification of connector hubs, the brain regions responsible for the integration of the different network elements, showing that the improved resolution afforded by Asymptotical Surprise leads to a different classification compared to current methods. PMID- 27865920 TI - Temporally correlated fluctuations drive epileptiform dynamics. AB - Macroscopic models of brain networks typically incorporate assumptions regarding the characteristics of afferent noise, which is used to represent input from distal brain regions or ongoing fluctuations in non-modelled parts of the brain. Such inputs are often modelled by Gaussian white noise which has a flat power spectrum. In contrast, macroscopic fluctuations in the brain typically follow a 1/fb spectrum. It is therefore important to understand the effect on brain dynamics of deviations from the assumption of white noise. In particular, we wish to understand the role that noise might play in eliciting aberrant rhythms in the epileptic brain. To address this question we study the response of a neural mass model to driving by stochastic, temporally correlated input. We characterise the model in terms of whether it generates "healthy" or "epileptiform" dynamics and observe which of these dynamics predominate under different choices of temporal correlation and amplitude of an Ornstein-Uhlenbeck process. We find that certain temporal correlations are prone to eliciting epileptiform dynamics, and that these correlations produce noise with maximal power in the delta and theta bands. Crucially, these are rhythms that are found to be enhanced prior to seizures in humans and animal models of epilepsy. In order to understand why these rhythms can generate epileptiform dynamics, we analyse the response of the model to sinusoidal driving and explain how the bifurcation structure of the model gives rise to these findings. Our results provide insight into how ongoing fluctuations in brain dynamics can facilitate the onset and propagation of epileptiform rhythms in brain networks. Furthermore, we highlight the need to combine large scale models with noise of a variety of different types in order to understand brain (dys-)function. PMID- 27865922 TI - Low-frequency cortical oscillations are modulated by temporal prediction and temporal error coding. AB - Monitoring and updating temporal predictions are critical abilities for adaptive behavior. Here, we investigated whether neural oscillations are related to violation and updating of temporal predictions. Human participants performed an experiment in which they had to generate a target at an expected time point, by pressing a button while taking into account a variable delay between the act and the stimulus occurrence. Our behavioral results showed that participants quickly adapted their temporal predictions in face of an error. Concurrent electrophysiological (EEG) data showed that temporal errors elicited markers that are classically related to error coding. Furthermore, intertrial phase coherence of frontal theta oscillations was modulated by error magnitude, possibly indexing the degree of surprise. Finally, we found that delta phase at stimulus onset was correlated with future behavioral adjustments. Together, our findings suggest that low frequency oscillations play a key role in monitoring and in updating temporal predictions. PMID- 27865923 TI - Deriving reproducible biomarkers from multi-site resting-state data: An Autism based example. AB - Resting-state functional Magnetic Resonance Imaging (R-fMRI) holds the promise to reveal functional biomarkers of neuropsychiatric disorders. However, extracting such biomarkers is challenging for complex multi-faceted neuropathologies, such as autism spectrum disorders. Large multi-site datasets increase sample sizes to compensate for this complexity, at the cost of uncontrolled heterogeneity. This heterogeneity raises new challenges, akin to those face in realistic diagnostic applications. Here, we demonstrate the feasibility of inter-site classification of neuropsychiatric status, with an application to the Autism Brain Imaging Data Exchange (ABIDE) database, a large (N=871) multi-site autism dataset. For this purpose, we investigate pipelines that extract the most predictive biomarkers from the data. These R-fMRI pipelines build participant-specific connectomes from functionally-defined brain areas. Connectomes are then compared across participants to learn patterns of connectivity that differentiate typical controls from individuals with autism. We predict this neuropsychiatric status for participants from the same acquisition sites or different, unseen, ones. Good choices of methods for the various steps of the pipeline lead to 67% prediction accuracy on the full ABIDE data, which is significantly better than previously reported results. We perform extensive validation on multiple subsets of the data defined by different inclusion criteria. These enables detailed analysis of the factors contributing to successful connectome-based prediction. First, prediction accuracy improves as we include more subjects, up to the maximum amount of subjects available. Second, the definition of functional brain areas is of paramount importance for biomarker discovery: brain areas extracted from large R fMRI datasets outperform reference atlases in the classification tasks. PMID- 27865919 TI - Differential stress induced c-Fos expression and identification of region specific miRNA-mRNA networks in the dorsal raphe and amygdala of high responder/low-responder rats. AB - Chronic stress triggers a variety of physical and mental health problems, and how individuals cope with stress influences risk for emotional disorders. To investigate molecular mechanisms underlying distinct stress coping styles, we utilized rats that were selectively-bred for differences in emotionality and stress reactivity. We show that high novelty responding (HR) rats readily bury a shock probe in the defensive burying test, a measure of proactive stress coping behavior, while low novelty responding (LR) rats exhibit enhanced immobility, a measure of reactive coping. Shock exposure in the defensive burying test elicited greater activation of HR rats' caudal dorsal raphe serotonergic cells compared to LRs, but lead to more pronounced activation throughout LRs' amygdala (lateral, basolateral, central, and basomedial nuclei) compared to HRs. RNA-sequencing revealed 271 mRNA transcripts and 33 microRNA species that were differentially expressed in HR/LR raphe and amygdala. We mapped potential microRNA-mRNA networks by correlating and clustering mRNA and microRNA expression and identified networks that differed in either the HR/LR dorsal raphe or amygdala. A dorsal raphe network linked three microRNAs which were down-regulated in LRs (miR-206 3p, miR-3559-5p, and miR-378a-3p) to repression of genes related to microglia and immune response (Cd74, Cyth4, Nckap1l, and Rac2), the genes themselves were up regulated in LR dorsal raphe. In the amygdala, another network linked miR-124-5p, miR-146a-5p, miR-3068-3p, miR-380-5p, miR-539-3p, and miR-7a-1-3p with repression of chromatin remodeling-related genes (Cenpk, Cenpq, Itgb3bp, and Mis18a). Overall this work highlights potential drivers of gene-networks and downstream molecular pathways within the raphe and amygdala that contribute to individual differences in stress coping styles and stress vulnerabilities. PMID- 27865924 TI - Effects of a coordinated farmland bird conservation project on farmers' intentions to implement nature conservation practices - Evidence from the Swedish Volunteer & Farmer Alliance. AB - To increase the efficacy of agri-environmental schemes (AES), as well as farmers' environmental engagement, practitioners are increasingly turning to collective forms of agri-environmental management. As yet, empirical evidence from such approaches is relatively scarce. Here, we examined a farmland bird conservation project coordinated by BirdLife Sweden, the Swedish Volunteer & Farmer Alliance (SVFA). The key features of the SVFA were farmland bird inventories from volunteering birdwatchers and on-farm visits to individual farmers from conservation advisors for guidance on AES as well as unsubsidised practices. Using an ex-post application of the theory of planned behaviour across project participants and a randomly sampled control group of farmers we assessed how SVFA affected behavioural intentions relating to AES and unsubsidised conservation, and how the behaviour was affected by attitudes, perceived social norms and perceived behavioural control. We also included a measure of self-identity as a conservationist to assess its importance for behavioural intentions, and if SVFA stimulated this self-identity. SVFA farmers reported greater commitment to implementing AES and unsubsidised conservation, as compared to the control group. However, greater commitment was associated with more positive attitudes for unsubsidised conservation only and not for AES, underlining the inability of existing AES to prompt intrinsic motivation. There were also differences between farmers within SVFA, where farmers applying to the project were motivated by social influences, while farmers recruited by project managers were motivated by their personal beliefs regarding nature conservation. Finally, farmers' self perceived ability to perform practices (i.e. perceived behavioural control) was important for their commitment to implementing AES as well as unsubsidised practices. Therefore, increasing farmers' awareness regarding the availability and, not least, practicability of available conservation options may be the key to successful biodiversity conservation in agricultural systems. PMID- 27865925 TI - Orai1 and Orai2 mediate store-operated calcium entry that regulates HL60 cell migration and FAK phosphorylation. AB - Store-operated Ca2+ entry (SOCE) is a major mechanism for the regulation of intracellular Ca2+ homeostasis and cellular function. Emerging evidence has revealed that altered expression and function of the molecular determinants of SOCE play a critical role in the development or maintenance of several cancer hallmarks, including enhanced proliferation and migration. Here we show that, in the acute myeloid leukemia cell line HL60, Orai2 is highly expressed at the transcript level, followed by the expression of Orai1. Using fluorescence Ca2+ imaging we found that Orai2 silencing significantly attenuated thapsigargin induced SOCE, as well as knockdown of Orai1, while silencing the expression of both channels almost completely reduced SOCE, thus suggesting that SOCE in these cells is strongly dependent on Orai1 and Orai2. On the other hand, the expression of TRPC1, TRPC3 and TRPC6 is almost absent at the transcript and protein level. Bromodeoxyuridine cell proliferation assay revealed that Orai1 and Orai2 expression silencing significantly reduced HL60 cell proliferation. Furthermore, knockdown of Orai1 and Orai2 significantly attenuated the ability of HL60 to migrate in vitro as determined by transwell migration assay, probably due to the impairment of FAK tyrosine phosphorylation. These findings provide evidence for a role for Orai1 and Orai2, in SOCE and migration in the human HL60 promyeloblastic cell line. This article is part of a Special Issue entitled: ECS Meeting edited by Claus Heizmann, Joachim Krebs and Jacques Haiech. PMID- 27865926 TI - Emerin suppresses Notch signaling by restricting the Notch intracellular domain to the nuclear membrane. AB - Emerin is an inner nuclear membrane protein that is involved in maintaining the mechanical integrity of the nuclear membrane. Increasing evidence supports the involvement of emerin in the regulation of gene expression; however, its precise function remains to be elucidated. Here, we show that emerin downregulated genes downstream of Notch signaling, which are activated exclusively by the Notch intracellular domain (NICD). Deletion mutant experiments revealed that the transmembrane domain of emerin is important for the inhibition of Notch signaling. Emerin interacted directly and colocalized with the NICD at the nuclear membrane. Emerin knockdown induced the phosphorylation of ERK and AKT, increased endogenous Notch signaling, and inhibited hydrogen peroxide-induced apoptosis in HeLa cells. Notably, the downregulation of barrier-to autointegration factor (BAF) or lamin A/C increased Notch signaling by inducing the release of emerin into the cytosol, implying that nuclear membrane-bound emerin acts as an endogenous inhibitor of Notch signaling. Taken together, our results indicate that emerin negatively regulates Notch signaling by promoting the retention of the NICD at the nuclear membrane. This mechanism could constitute a new therapeutic target for the treatment of emerin-related diseases. PMID- 27865927 TI - Structural perturbations induced by Asn131 and Asn171 glycosylation converge within the EFSAM core and enhance stromal interaction molecule-1 mediated store operated calcium entry. AB - A major intracellular calcium (Ca2+) uptake pathway in both excitable and non excitable eukaryotic cells is store-operated Ca2+ entry (SOCE). SOCE is the process by which endoplasmic reticulum (ER)-stored Ca2+ depletion leads to activation of plasma membrane Ca2+ channels to provide a sustained increase in cytosolic Ca2+ levels that mediate a plethora of physiological processes ranging from the immune response to platelet aggregation. Stromal interaction molecule-1 (STIM1) is the principal regulator of SOCE and responds to changes in ER stored Ca2+ through luminal sensing machinery composed of EF-hand and SAM domains (EFSAM). The EFSAM domain can undergo N-glycosylation at Asn131 and Asn171 sites; however, the precise role of EFSAM N-glycosylation in the Ca2+ sensing mechanism of STIM1 is unclear. By establishing a site-specific chemical approach to covalently linking glucose to EFSAM and examining alpha-helicity, thermal stability, three dimensional atomic-resolution structure, Ca2+ binding affinity and oligomerization, we show that N-glycosylation of the EFSAM domain enhances the properties that promote STIM1 activation. This augmentation occurs through changes in structure localized near the Asn131 and Asn171 sites that together permeate through the protein core and lead to decreased Ca2+ binding affinity, reduced stability and enhanced oligomerization. Congruently, Ca2+ influx via SOCE in HEK293 cells co-expressing Orai1 and STIM1 was diminished when N-glycosylation was blocked by introducing Asn131Gln and Asn171Gln mutations. Collectively, our data suggests that N-glycosylation enhances the EFSAM destabilization-coupled oligomerization in response to ER Ca2+ depletion thereby augmenting the role of STIM1 as a robust ON/OFF regulator of SOCE. This article is part of a Special Issue entitled: ECS Meeting edited by Claus Heizmann, Joachim Krebs and Jacques Haiech. PMID- 27865929 TI - G2/M cell cycle arrest on HT-29 cancer cells and toxicity assessment of triphenylphosphanegold(I) carbonimidothioates, Ph3PAu[SC(OR)=NPh], R=Me, Et, and iPr, during zebrafish development. AB - Phosphanegold(I) thiolates, Ph3PAu[SC(OR)=NPh], R=Me (1), Et (2) and iPr (3), were previously shown to be significantly cytotoxic toward HT-29 cancer cells and to induce cell death by both intrinsic and extrinsic apoptotic pathways whereby 1 activated the p73 gene, and each of 2 and 3 activated p53; 2 also caused apoptotic cell death via the c-Jun N-terminal kinase/mitogen-activated protein kinase pathway. Apoptosis pathways have been further evaluated by mitochondrial cytochrome c measurements and annexin V screening, confirming apoptotic pathways of cell death. Cell cycle analysis showed the majority of treated HT-29 cells were arrested at the G2/M checkpoint after 24h; results of both assays were confirmed by changes in populations of relevant genes (PCR array analysis). Cell invasion studies showed inhibition of metastasis through MatrigelTM matrix to 17 22% cf. untreated cells. LC50 values were determined in zebrafish (8.36, 8.17, and 7.64MUM for 1-3). Finally, the zebrafish tolerated doses of 1 and 2 up to 0.625MUM, and 3 was tolerated at even higher doses of up to 1.25MUM. PMID- 27865928 TI - The SWI2/SNF2 Chromatin-Remodeling ATPase BRAHMA Regulates Chlorophyll Biosynthesis in Arabidopsis. AB - Chlorophyll biosynthesis is critical for chloroplast development and photosynthesis in plants. Although reactions in the chlorophyll biosynthetic pathway have been largely known, little is known about the regulatory mechanisms of this pathway. In this study, we found that the dark-grown knockout and knockdown mutants as well as RNA-interference transgenic seedlings of BRAHMA (BRM), which encodes an SWI2/SNF2 chromatin-remodeling ATPase, had higher greening rates, accumulated less protochlorophyllide, and produced less reactive oxygen species than Arabidopsis wild-type plants did upon light exposure. The expression of NADPH:protochlorophyllide oxidoreductase A (PORA), PORB, and PORC, which catalyze a key step in chlorophyll biosynthesis, was increased in the brm mutants. We found that BRM physically interacted with the bHLH transcription factor PHYTOCHROME-INTERACTING FACTOR 1 (PIF1) through its N-terminal domains. Furthermore, we demonstrated that BRM was directly recruited to the cis regulatory regions of PORC, but not of PORA and PORB, at least partially in a PIF1-dependent manner and the level of histone H3 lysine 4 tri-methylation (H3K4me3) at PORC loci was increased in the brm mutant. Taken together, our data indicate that the chromatin-remodeling enzyme BRM modulates PORC expression through interacting with PIF1, providing a novel regulatory mechanism by which plants fine-tune chlorophyll biosynthesis during the transition from heterotrophic to autotrophic growth. PMID- 27865930 TI - Evaluation of different in vitro dissolution tests based on level A in vitro-in vivo correlations for fenofibrate self-emulsifying lipid-based formulations. PMID- 27865931 TI - Multifunctional adhesive polymers: Preactivated thiolated chitosan-EDTA conjugates. AB - AIM: The aim of this study was to synthesis preactivated thiolated chitosan-EDTA (Ch-EDTA-cys-2MNA) conjugates exhibiting in particular high mucoadhesive, cohesive and chelating properties. METHODS: Thiol groups were coupled with chitosan by carbodiimide reaction and further preactivated by attachment with 2 mercaptonicotinic acid (2MNA) via disulfide bond formation. Determinations of primary amino and sulfhydryl groups were performed by TNBS and Ellman's tests, respectively. Cytotoxicity was screened by resazurin assay in Caco-2 cells. Mucoadhesive properties and bivalent cation binding capacity with Mg2+ and Ca2+ in comparison to chitosan-EDTA (Ch-EDTA) and thiolated Ch-EDTA (Ch-EDTA-cys) were evaluated. RESULTS: Determination of 2MNA and total sulfhydryl groups indicated that 80% of thiol groups were preactivated. The results from cytotoxicity studies demonstrated that Ch-EDTA-cys and Ch-EDTA-cys-2MNA were not toxic to the cells at the polymer test concentration of 0.25% (w/v) while cell viability decreased by increasing the concentration of Ch-EDTA. Although EDTA molecule was modified by thiolation and preactivation, approximately 50% of chelating properties of the conjugates were maintained compared to Ch-EDTA. Ch-EDTA-cys-2MNA adhered on freshly excised porcine intestinal mucosa up to 6h while Ch-EDTA adhered for just 1h. CONCLUSION: According to the combination of mucoadhesive and chelating properties of the conjugates synthesized in this study, Ch-EDTA-cys-2MNA might be useful for various mucosal drug delivery systems. PMID- 27865934 TI - Prediction of intraocular antibody drug stability using ex-vivo ocular model. AB - Following intravitreal (IVT) injection, therapeutic proteins get exposed to physiological pH, temperature and components in the vitreous humor (VH) for a significantly long time. Therefore, it is of interest to study the stability of the proteins in the VH. However, the challenge posed by the isolated VH (such as pH shift upon isolation and incubation due to the formation of smaller molecular weight (MW) degradation products) can result in artefacts when investigating protein stability in relevance for the actual in vivo situation. In this current study, an ex-vivo intravitreal horizontal stability model (ExVit-HS) has been successfully developed and an assessment of long-term stability of a bi-specific monoclonal antibody (mAb) drug in the isolated VH for 3months at physiological conditions has been conducted. The stability assessment was performed using various analytical techniques such as microscopy, UV visible for protein content, target binding ELISA, Differential Scanning Calorimetry (DSC), Capillary electrophoresis-SDS, Size Exclusion (SEC) and Ion-exchange chromatography (IEC) and SPR-Biacore. The results show that the ExVit-HS model was successful in maintaining the VH at physiological conditions and retained a majority of protein in the VH-compartment throughout the study period. The mAb exhibited significantly less fragmentation in the VH relative to the PBS control; however, chemical stability of the mAb was equally compromised in VH and PBS. Interestingly, in the PBS control, mAb showed a rapid linear loss in the binding affinity. The loss in binding was almost 20% higher compared to that in VH after 3months. The results clearly suggest that the mAb has different degradation kinetics in the VH compared to PBS. These results suggest that it is beneficial to investigate the stability in the VH for drugs intended for IVT injection and that are expected longer residence times in the VH. The studies show that the ExVit-HS model may become a valuable tool for evaluating stability of protein drugs and other molecules following IVT injection. PMID- 27865933 TI - Mechanistic analysis of triamcinolone acetonide release from PLGA microspheres as a function of varying in vitro release conditions. AB - In vitro tests for controlled release PLGA microspheres in their current state often do not accurately predict in vivo performance of these products during formulation development. Here, we introduce a new mechanistic and multi-phase approach to more clearly understand in vitro-in vivo relationships, and describe the first "in vitro phase" with the model drug, triamcinolone acetonide (Tr-A). Two microsphere formulations encapsulating Tr-A were prepared from PLGAs of different molecular weights and end-capping (18kDa acid-capped and 54kDa ester capped). In vitro release kinetics and the evidence for controlling mechanisms (i.e., erosion, diffusion, and water-mediated processes) were studied in four release media: PBST pH 7.4 (standard condition), PBST pH 6.5, PBS+1.0% triethyl citrate (TC), and HBST pH 7.4. The release mechanism in PBST was primarily polymer erosion-controlled as indicated by the similarity of release and mass loss kinetics. Release from the low MW PLGA was accelerated at low pH due to increased rate of hydrolysis and in the presence of the plasticizer TC due to slightly increased hydrolysis and much higher diffusion in the polymer matrix. TC also increased release from the high MW PLGA due to increased hydrolysis, erosion, and diffusion. This work demonstrates how in vitro conditions can be manipulated to change not only rates of drug release from PLGA microspheres but also the mechanism(s) by which release occurs. Follow-on studies in the next phases of this approach will utilize these results to compare the mechanistic data of the Tr-A/PLGA microsphere formulations developed here after recovery of microspheres in vivo. This new approach based on measuring mechanistic indicators of release in vitro and in vivo has the potential to design better, more predictive in vitro release tests for these formulations and potentially lead to mechanism-based in vitro-in vivo correlations. PMID- 27865932 TI - Oral Helicobacter pylori vaccine-encapsulated acid-resistant HP55/PLGA nanoparticles promote immune protection. AB - Oral vaccination, is notoriously weak or nonimmunogenic. One of the major reasons is the inefficient antigen uptake caused by enzymolysis and hydrolysis in the gastrointestinal tract. In this study, acid-resistant HP55/PLGA nanoparticle was developed as an oral delivery system to protect H. pylori recombinant antigen CCF against the complex gastrointestinal environment. These ~200nm particles controlled the release of antigen in the acidic environment (pH?5.5). Immunized mice with HP55/PLGA-CCF nanoparticles induced high levels of urease-specific antibodies and memory T cell responses. A month after H. pylori challenge, 43% of mice were completely protected. The protection was highly associated with the Th1/Th17-bias immune response, which had been recognized as an optimal immunity against H. pylori infection. In addition, a mass of T-cells were observed in the lamina propria of mice immunized with CCF, especially in the HP55/PLGA-CCF nanoparticles administered recipients, and contributed to the development of postimmunization gastritis. These results indicate that oral immunization with acid-resistant HP55/PLGA nanoparticles encapsulating vaccine antigens represent a promising strategy for antigen protection, slow-release and targeting, and thus prevented gastrointestinal infection. PMID- 27865935 TI - Controlling successive ionic layer absorption and reaction cycles to optimize silver nanoparticle-induced localized surface plasmon resonance effects on the paper strip. AB - This study investigates why a silver nanoparticle (SNP)-induced surface-enhanced Raman scattering (SERS) paper chip fabricated at low successive ionic layer absorption and reaction (SILAR) cycles leads to a high SERS enhancement factor (7*108) with an inferior nanostructure and without generating a hot spot effect. The multi-layered structure of SNPs on cellulose fibers, verified by magnified scanning electron microscopy (SEM) and analyzed by a computational simulation method, was hypothesized as the reason. The pattern of simulated local electric field distribution with respect to the number of SILAR cycles showed good agreement with the experimental Raman intensity, regardless of the wavelength of the excitation laser sources. The simulated enhancement factor at the 785-nm excitation laser source (2.8*109) was 2.5 times greater than the experimental enhancement factor (1.1*109). A 532-nm excitation laser source exhibited the highest maximum local electric field intensity (1.9*1011), particularly at the interparticle gap called a hot spot. The short wavelength led to a strong electric field intensity caused by strong electromagnetic coupling arising from the SNP-induced local surface plasmon resonance (LSPR) effects through high excitation energy. These findings suggest that our paper-based SILAR-fabricated SNP-induced LSPR model is valid for understanding SNP-induced LSPR effects. PMID- 27865937 TI - Lipopolysaccharide induces proliferation and osteogenic differentiation of adipose-derived mesenchymal stromal cells in vitro via TLR4 activation. AB - Multipotent mesenchymal stromal cells (MSC) are capable of multi-lineage differentiation and support regenerative processes. In bacterial infections, resident MSC can come intocontact with and need to react to bacterial components. Lipopolysaccharide (LPS), a typical structure of Gram-negative bacteria, increases the proliferation and osteogenic differentiation of MSC. LPS is usually recognized by the toll-like receptor (TLR) 4 and induces pro-inflammatory reactions in numerous cell types. In this study, we quantified the protein expression of TLR4 and CD14 on adipose-derived MSC (adMSC) in osteogenic differentiation and investigated the effect of TLR4 activation by LPS on NF kappaB activation, proliferation and osteogenic differentiation of adMSC. We found that TLR4 is expressed on adMSC whereas CD14 is not, and that osteogenic differentiation induced an increase of the amount of TLR4 protein whereas LPS stimulation did not. Moreover, we could show that NF-kappaB activation via TLR4 occurs upon LPS treatment. Furthermore, we were able to show that competitive inhibition of TLR4 completely abolished the stimulatory effect of LPS on the proliferation and osteogenic differentiation of adMSC. In addition, the inhibition of TLR4 leads to the complete absence of osteogenic differentiation of adMSC, even when osteogenically stimulated. Thus, we conclude that LPS induces proliferation and osteogenic differentiation of adMSC in vitro through the activation of TLR4 and that the TLR4 receptor seems to play a role during osteogenic differentiation of adMSC. PMID- 27865936 TI - Constitutive beta-catenin activation in osteoblasts impairs terminal osteoblast differentiation and bone quality. AB - Accumulating evidence suggests that Wnt/beta-catenin signaling plays a central role in controlling bone mass. We previously reported that constitutive activation of beta-catenin (CA-beta-catenin) in osteoblasts potentially has side effects on the bone growth and bone remodeling process, although it could increase bone mass. The present study aimed to observe the effects of osteoblastic CA-beta-catenin on bone quality and to investigate possible mechanisms of these effects. It was found that CA-beta-catenin mice exhibited lower mineralization levels and disorganized collagen in long bones as confirmed by von Kossa staining and sirius red staining, respectively. Also, bone strength decreased significantly in CA-beta-catenin mice. Then the effect of CA-beta catenin on biological functions of osteoblasts were investigated and it was found that the expression levels of osteocalcin, a marker for the late differentiation of osteoblasts, decreased in CA-beta-catenin mice, while the expression levels of osterix and alkaline phosphatase, two markers for the early differentiation of osteoblasts, increased in CA-beta-catenin mice. Furthermore, higher proliferation rate were revealed in osteoblasts that were isolated from CA-beta-catenin mice. The Real-time PCR and western blot examination found that the expression level of c-myc and cyclin D1, two G1 progression-related molecules, increased in osteoblasts that were isolated from the CA-beta-catenin mice, and the expression levels of CDK14 and cyclin Y, two mitotic-related molecules that can accelerate cells entering into S and G2/M phases, increased in osteoblasts that were isolated from the CA-beta-catenin mice. In summary, osteoblastic CA-beta-catenin kept osteoblasts in high proliferative state and impaired the terminal osteoblast differentiation, and this led to changed bone structure and decreased bone strength. PMID- 27865938 TI - PDMP, a ceramide analogue, acts as an inhibitor of mTORC1 by inducing its translocation from lysosome to endoplasmic reticulum. AB - Mammalian or mechanistic target of rapamycin complex 1 (mTORC1) is a master regulator of cell growth, metabolism, and cell differentiation. Recent studies have revealed that the recruitment of mTORC1 to lysosomes is essential for its activation. The ceramide analogue 1-phenyl-2-decanoylamino-3-morpholino-1 propanol (PDMP), a well known glycosphingolipid synthesis inhibitor, also affects the structures and functions of various organelles, including lysosomes and endoplasmic reticulum (ER). We investigated whether PDMP regulates the mTORC1 activity through its effects on organellar behavior. PDMP induced the translocation of mTORC1 from late endosomes/lysosomes, leading to the dissociation of mTORC1 from its activator Rheb in MC3T3-E1 cells. Surprisingly, we found mTORC1 translocation to the ER upon PDMP treatment. This effect of PDMP was independent of its action as the inhibitor, since two stereoisomers of PDMP, with and without the inhibitor activity, showed essentially the same effect. We confirmed that PDMP inhibits the mTORC1 activity based on the decrease in the phosphorylation of ribosomal S6 kinase, a downstream target of mTORC1, and the increase in LC3 puncta, reflecting autophagosome formation. Furthermore, PDMP inhibited the mTORC1-dependent osteoblastic cell proliferation and differentiation of MC3T3-E1 cells. Accordingly, the present results reveal a novel mechanism of PDMP, which inhibits the mTORC1 activity by inducing the translocation of mTOR from lysosomes to the ER. PMID- 27865940 TI - Alterations in nasal mucociliary activity in polycystic ovary syndrome. AB - OBJECTIVES: Polycystic ovary syndrome (PCOS) is a common endocrine disorder in women of reproductive age. It can affect various organ systems, and respiratory mucosa has been reported as being hormone responsive. STUDY DESIGN: A case control study consisting of 50 women with PCOS and 30 control subjects matched for age and body mass index was conducted, in order to investigate nasal mucociliary clearance time (NMCT) in patients with PCOS. Serum basal hormonal biochemical parameters and NMCT were evaluated on menstrual cycle days 2-5 for all participants. RESULTS: The mean NMCT in PCOS and control groups was 10.45+/ 2.88 and 6.92+/-1.78, respectively (p=0.0001). A significant positive correlation was found between NMCT and duration of disease (r=0.52; p=0.001), serum total testosterone level (r=0.28; p=0.04), and luteinizing hormone/follicle stimulating hormone (r=0.29; p=0.04). CONCLUSIONS: Our findings indicate that PCOS is associated with altered NMCT. Prolonged NMCT predisposes patients to respiratory tract and middle ear infections, and clinicians should be aware of this. PMID- 27865939 TI - C-reactive protein response is higher in early than in late ovarian hyperstimulation syndrome. AB - OBJECTIVES: Many in vitro fertilization (IVF) complications are inflammatory by nature, some of which are even life-threatening. We evaluated the response of C reactive protein (CRP) in IVF complications, especially in early and late ovarian hyperstimulation syndrome (OHSS), to support clinical decision making in gynecological emergency policlinics. STUDY DESIGN: In a prospective two-year study at Helsinki University Hospital, Finland, we recruited patients with IVF complications including moderate or severe OHSS (n=47 patients: 36 early and 14 late OHSS cases), or other IVF complications (n=13). As controls, we recruited women in an uncomplicated IVF cycle (n=27). Serial blood samples (CRP, blood count, platelets, albumin, estradiol, creatinine, and electrolytes) were collected from patients upon admission to the emergency polyclinic and during and after treatment on the ward, and from the controls prior, during, and after the IVF protocol. All samples were categorized according to oocyte pick-up (OPU). The statistics included comparisons between and within the study groups, and receiver operating characteristic (ROC) curve analysis for diagnostic accuracy of CRP for early OHSS at emergency polyclinics. RESULTS: On admission, CRP did not differentiate OHSS from other IVF complications, but CRP was higher in early (median 21; IQR 8-33mg/L) than in late (6; 3-9mg/L, p=0.001) OHSS. In ROC analysis for CRP (12mg/L), the area under the curve (AUC) was 0.74 (p=0.001) with sensitivity of 69% and specificity of 71% for early OHSS. CRP was significantly higher (28; 10-46mg/L) in patients with early OHSS two days after oocyte pick-up (OPU) than in the controls (5; <3-9mg/L, p<0.001). The level normalized by 12 days, similarly to the controls. On the ward, the peak CRP was higher if early OHSS was complicated with infection (108; 49-166mg/L) than without infection (20; 8-32mg/L, p=0.001). Late OHSS was associated with hypoalbuminemia (19.6; 16.2 23.1g/L, p<0.001) and thrombocytosis (494; 427-561 E9/L, p=0.004; comparisons to early OHSS). CONCLUSIONS: Early OHSS associates with a distinct rise in CRP level beyond that induced by uncomplicated oocyte pick-up, whereas the CRP levels in late OHSS are comparable to those in the control cycles. CRP identifies, but cannot distinguish IVF complications. PMID- 27865941 TI - Local injection of diluted vasopressin followed by suction curettage for cervical ectopic pregnancy. AB - OBJECTIVE: To report the results of local injection of diluted vasopressin followed by suction curettage as a conservative treatment for women with cervical ectopic pregnancy, who wish to preserve their future fertility. STUDY DESIGN: This was a retrospective chart review in a university hospital and a municipal hospital. We injected diluted vasopressin (Pitressin R, total amount of 4-10 units) transvaginally into the cervix surrounding the gestational sac, but not directly into the gestational sac, and/or the lower segment of the uterine body under transvaginal ultrasonographic guidance. After cessation of fetal heartbeats, we aspirated the conceptus by performing suction curettage. We injected additional vasopressin into the gestational sac in cases with a viable fetus after the initial injection. Forced contraction of the cervical smooth muscle facilitated removal of the conceptus with minimal blood loss during curettage. We measured operative time, total blood loss, complications, and the need for additional treatment. RESULTS: We included 11 women. Mean patient age, gestational age, and serum human chorionic gonadotrophin (hCG) at the intervention were 31.2+/-6.4years, 6.0+/-0.6 weeks, and 18,370+/-21,570 IU/L, respectively. Mean size of the gestational sac was 19.6+/-9.5mm. The uterus was successfully preserved without any complications in all patients. All procedures were completed within 15min except for the first case (range: 5-33min). In 4 cases, the conceptus containing a gestational sac was spontaneously extruded en bloc from the external os after the injection. Additional systematic methotrexate administration was required in one case because of remaining villi at the implantation site with persistence of serum hCG levels after the procedure. CONCLUSION: Local injection of diluted vasopressin and subsequent suction curettage is a feasible conservative treatment for cervical ectopic pregnancy. PMID- 27865942 TI - Outcomes of laparoscopic sacropexy in women over 70: A comparative study. AB - OBJECTIVE: Precise data are lacking concerning laparoscopic sacropexy in the elderly population. The purpose of this study was to compare the outcomes and complications associated with laparoscopic sacropexy (colpopexy or hysteropexy) in women aged under 70 and 70 or over. STUDY DESIGN: Retrospective review of data on patients who underwent laparoscopic sacropexy in two tertiary centers. Peri- and postoperative complications were recorded and described using the IUGA classification. Surgery was considered successful if the patient was symptomatically satisfied or very satisfied and if the POP-Q (Pelvic Organ Prolapse-Quantification) stage score at the follow-up visit was below stage 2 for all compartments. RESULTS: Among the 191 women studied, 47 (24.6%) were aged 70 or more. According to the ICS/IUGA classification of POP complications, perioperative and postoperative complication rates were similar in the older versus younger groups (bladder injuries (0 vs. 1.39%, p=1) (4A T1 S2), rectal injuries (0% vs. 0.69%, p=1) (5BT1S5), vaginal injuries (2.13% vs. 0%, p=0.246) (2A T1 S1)). No laparotomy conversion was required in either group. At two months of follow-up, the success rate was 97.9% and 95.1% in the older and younger groups, respectively (p=0.68). At 24 months of follow-up, the overall reoperation rate was 12.8% for the older group versus 11.8% in the younger group (p=0.80). CONCLUSIONS: Our findings suggest that laparoscopic sacropexy is a valid option in elderly women presenting with genital prolapse. PMID- 27865943 TI - Association between parity and ovarian reserve in reproductive age women. AB - OBJECTIVE: A number of factors affect ovarian reserve. In this study, we investigate the association between parity and ovarian reserve in reproductive age women. MATERIALS AND METHODS: This cross-sectional study was conducted on 186 women aged 20-35 years. The participants were divided into two main groups. Group A (n=93) included women with at least one parity (pregnancy after 28 weeks), while group B (n=93) included women with no history of pregnancy. We evaluated the following factors related to ovarian reserve: follicle-stimulating hormone (FSH), ovarian antral follicles, anti-Mullerian hormone (AMH), and ovarian volume. RESULTS: A total of 186 women with a mean age of 27.83+/-4.49years enrolled in this study. There was a difference in mean AMH between the nulliparous (2.53+/-1.90ng/ml) and multiparous (3.54+/-1.42ng/ml) groups (p<0.001). FSH levels were from 5.27+/-1.8mIU/mL in nulliparous women to 5.01+/ 1.9mIU/mL in multiparous women, which did not significantly differ (p=0.36). Antral follicles and ovarian size in multiparous women increased significantly (p<0.001). CONCLUSION: Parity has a significant association with higher levels of ovarian reserve markers. PMID- 27865945 TI - Episiotomy in vacuum-assisted delivery affects the risk of obstetric anal sphincter injury: a systematic review and meta-analysis. AB - The risk of obstetric anal sphincter injury (OASIS) is increased in vacuum assisted delivery. However, it remains unclear whether episiotomy may protect against OASIS in this type of delivery. The objective of this study was to assess whether mediolateral or lateral episiotomy affects the risk of OASIS in vacuum assisted delivery among primiparous women. Data were found searching The PubMed, Cochrane library and Embase databases electronically. Studies investigating the risk of OASIS in vacuum-assisted delivery with and without the use of mediolateral or lateral episiotomy were considered for inclusion. Of the 452 studies found, 15 observational studies were included in this meta-analysis. All authors assessed risk of bias of the included studies using the Scottish Intercollegiate Guideline Network (SIGN) quality score. According to this meta analysis, mediolateral or lateral episiotomy significantly reduced the risk of OASIS in vacuum-assisted deliveries in primiparous women (OR 0.53 (95% CI 0.37 0.77)). Numbers needed to treat (NNT) was 18.3 (95% CI 17.7-18.9). The protective effect of episiotomy seemed most pronounced when performed in more than 75% of vacuum-assisted deliveries (OR 0.37 (95% CI 0.15-0.92)). In conclusion, this meta analysis showed that mediolateral or lateral episiotomy was protective against OASIS and may be considered in vacuum-assisted delivery in primiparous women. Randomized controlled trials to further investigate this finding are warranted. PMID- 27865946 TI - Are lower antibody responses to influenza vaccination in cytomegalovirus seropositive older adults the result of beta adrenergic blockade? PMID- 27865944 TI - Misoprostol exposure during the first trimester of pregnancy: Is the malformation risk varying depending on the indication? AB - OBJECTIVE: To report the prospective follow-up of pregnancies exposed to misoprostol during the first trimester and analyse the teratogenic risk depending on the indication for use. STUDY DESIGN: Prospective observational study of 265 women exposed to misoprostol during the first 12 weeks of pregnancy and followed until the delivery. Women were included if they or their physician had contacted a French pharmacovigilance centre before 22 weeks of gestation (WG) to obtain information on the risk of misoprostol exposure, and if there had been misoprostol exposure before 13 WG. Data were collected at the time of the first contact, and the pregnancy outcome was recorded at follow-up. Women were prospectively enrolled from January 1988 to December 2013. RESULTS: The main indication for misoprostol was voluntary abortion (60.9%). Ten major malformations (5.5%) (95% CI 2.65-9.82%) were reported and five of them were consistent with the pattern of malformations attributed to misoprostol: Mobius sequence, hydrocephalus, terminal transverse limb reduction associated with a clubfoot, syndactyly, and complete posterior encephalocele. The rate of malformations was higher, but not significantly, in women exposed to misoprostol for voluntary abortion (7.9%) compared with women exposed to misoprostol for other or unknown indications (3.2%). CONCLUSIONS: Our results confirmed a specific pattern of malformations due to misoprostol use in early pregnancy, even with low dose of misoprostol. Despite the small number of cases, we observed a higher proportion of major malformations in fetuses born to women who continued their pregnancy after a failed voluntary abortion with misoprostol. Further studies should be conducted to evaluate other potential factors, such as combination treatment with mifepristone and the socio-environmental characteristics in this group of women. PMID- 27865947 TI - Immune responses in perinatal brain injury. AB - The perinatal period has often been described as immune deficient. However, it has become clear that immune responses in the neonate following exposure to microbes or as a result of tissue injury may be substantial and play a role in perinatal brain injury. In this article we will review the immune cell composition under normal physiological conditions in the perinatal period, both in the human and rodent. We will summarize evidence of the inflammatory responses to stimuli and discuss how neonatal immune activation, both in the central nervous system and in the periphery, may contribute to perinatal hypoxic-ischemic brain injury. PMID- 27865948 TI - Neuronal Fc-epsilon receptor I contributes to antigen-evoked pruritus in a murine model of ocular allergy. AB - Pruritus is the major symptom of ocular allergy but currently available treatments are often ineffective. Previous studies demonstrated that subpopulations of primary sensory neurons express Fc receptors and may contribute to antigen-specific pain. We investigated the role of neuronal Fc-epsilon Receptor I (FcepsilonRI) in allergic ocular pruritus. Ovalbumin (OVA) was used as allergen together with alum adjuvant (OVA+alum) to produce a mouse model of ocular allergy with a significant elevation in the serum levels of both antigen specific IgE and IgG. Mice sensitized by OVA without alum only induced elevation of serum IgG but not IgE. Scratching behavior toward the eyes with the hindlimb was used as an indicator of ocular itch. Topical OVA challenging to the eye dose dependently induced scratching toward the eye in the OVA+alum sensitized mice, but not those sensitized by OVA only. The antigen-induced scratching was largely abolished by topical application of the blocking antibody to FcepsilonRIalpha, but was only partially alleviated by pretreatment of mast cell stabilizer or histamine I receptor antagonist. The expression of FcepsilonRI was detected in subpopulations of trigeminal ganglion (TG) neurons including those expressing pruriceptive markers and innervating the conjunctiva in the naive mice. Moreover, FcepsilonRI was found significantly upregulated in small-sized TG neurons in the OVA+alum sensitized mice. In acutely dissociated TG neurons, IgE-immune complex (IC), but not the antibody or antigen alone, induced intracellular calcium increase. The neuronal responses to IgE-IC could be specifically blocked by pre application of a siRNA for FcepsilonRIalpha. Our results indicate that FcepsilonRI expressed on peripheral nociceptive neurons in the TG may be directly activated by IgE-IC and contribute to allergic ocular pruritus. This study may suggest a novel mechanism for the development of pathological itch in allergic diseases. PMID- 27865949 TI - Lost in translation? The potential psychobiotic Lactobacillus rhamnosus (JB-1) fails to modulate stress or cognitive performance in healthy male subjects. AB - BACKGROUND: Preclinical studies have identified certain probiotics as psychobiotics - live microorganisms with a potential mental health benefit. Lactobacillus rhamnosus (JB-1) has been shown to reduce stress-related behaviour, corticosterone release and alter central expression of GABA receptors in an anxious mouse strain. However, it is unclear if this single putative psychobiotic strain has psychotropic activity in humans. Consequently, we aimed to examine if these promising preclinical findings could be translated to healthy human volunteers. OBJECTIVES: To determine the impact of L. rhamnosus on stress-related behaviours, physiology, inflammatory response, cognitive performance and brain activity patterns in healthy male participants. METHODS: An 8week, randomized, placebo-controlled, cross-over design was employed. Twenty-nine healthy male volunteers participated. Participants completed self-report stress measures, cognitive assessments and resting electroencephalography (EEG). Plasma IL10, IL1beta, IL6, IL8 and TNFalpha levels and whole blood Toll-like 4 (TLR-4) agonist induced cytokine release were determined by multiplex ELISA. Salivary cortisol was determined by ELISA and subjective stress measures were assessed before, during and after a socially evaluated cold pressor test (SECPT). RESULTS: There was no overall effect of probiotic treatment on measures of mood, anxiety, stress or sleep quality and no significant effect of probiotic over placebo on subjective stress measures, or the HPA response to the SECPT. Visuospatial memory performance, attention switching, rapid visual information processing, emotion recognition and associated EEG measures did not show improvement over placebo. No significant anti-inflammatory effects were seen as assessed by basal and stimulated cytokine levels. CONCLUSIONS: L. rhamnosus was not superior to placebo in modifying stress-related measures, HPA response, inflammation or cognitive performance in healthy male participants. These findings highlight the challenges associated with moving promising preclinical studies, conducted in an anxious mouse strain, to healthy human participants. Future interventional studies investigating the effect of this psychobiotic in populations with stress-related disorders are required. PMID- 27865950 TI - Lactobacillus sps. lipase mediated poly (epsilon-caprolactone) degradation. AB - Polymer degradation through lipase appears to be an enthralling alternative to bulk chemical routes. Poly (epsilon-caprolactone) (PCL) is an artificial polyester that can be degraded by microbes and enzymes like lipases and esterases. The environmental degradation of PCL is dependent on the activity of bacteria that characterization techniques such as thermogravimetric analysis, differential thermal are widely present in the ecosystem. In this study, three different lipases derived from Lactobacillus brevis, Lactobacillus plantarum and their co-culture have been utilized to explore their efficiency towards PCL enzymatic degradation. The effect of parameters such as enzyme loading and degradation time has been explored to understand the efficiency of the enzymes used in this study. Various analysis, scanning electron microscopy and Fourier transform infrared spectroscopy have been employed to study the enzymatic degradation and its possible mechanistic insight. PMID- 27865951 TI - Renoprotective effect of low-molecular-weight sulfated polysaccharide from the seaweed Laminaria japonica on glycerol-induced acute kidney injury in rats. AB - We investigated the renal protective effect of low-molecular-weight sulfated polysaccharide (LMWSP) fractions extracted from Laminaria japonica on glycerol induced acute kidney injury (AKI) in rats. Glycerol treatment significantly increased serum creatinine (SCr) and blood urea nitrogen (BUN) levels. Intraperitoneal injection of LMWSP fractions markedly decreased SCr and BUN levels and reduced renal swelling. The fraction of 1.0M NaCl displayed the best renal protective effect of all fractions in attenuating AKI and maintaining blood glucose. PMID- 27865953 TI - Polysaccharide of caper (Capparis spinosa L.) Leaf: Extraction optimization, antioxidant potential and antimicrobial activity. AB - Three-variable-three-level Box-Behnken design-response surface methodology (BBD RSM) based on the single-factor experiments was used to optimize the extracting parameters of crude polysaccharides (CPSs) from the Capparis spinosa leaves (CSL) including extraction time (ETi, 60-120min), extraction temperature (ETe, 60-80 degrees C), and the water/solid ratio (W/S, 6-16). The optimal process conditions in order to the highest yield (6.73%) of CSL-CPSs were 119.8min ETi, 72.84 degrees C ETe, and 15.97:1W/S.Structure of polysaccharide extracted at the optimal operating point were identified by Fourier transform-infrared spectroscopy (FT-IR). CSL-CPSs (50-300MUg/L) revealed significantly scavenging activities against 2,2-diphenyl-1-picrylhydrazyl (DPPH)and OH free-radicals in vitro. A much more antimicrobial activity using this polysaccharide against Gram negative bacteria (Escherichia coli, Shigella dysenteriaeandSalmonella typhi) was found than Gram-positive bacteria (Bacillus panis and Staphylococcus aureus). CSL CPSs can thus be used as anexcellent antioxidant and antimicrobial ingredient in food and medicinal preparations. PMID- 27865952 TI - A superporous and superabsorbent glucuronoxylan hydrogel from quince (Cydonia oblanga): Stimuli responsive swelling, on-off switching and drug release. AB - Current study was designed to investigate micromeritic properties, water absorption capacity, stimuli (pH, ethanol and saline) responsive swelling deswelling (on-off switching) and controlled drug release from the polysaccharide glucuronoxylan isolated from the seeds of Quince. The water retention capacity of Quince hydrogel (QH) was found admirable. The hydrogel also exhibited privileged swelling in water and basic buffers (pH 6.8 and 7.4) while insignificant swelling in acidic buffer (pH 1.2). The swelling kinetics of QH follows second order. Moreover, QH deswells in salt (KCl and NaCl) solutions and ethanol. SEM of swollen then freeze dried QH revealed hollow channels with an average diameter of 67.8MUm. Furthermore, QH sustained the release of levosulpiride (LS) tablet formulation and drug release mechanism was ascertained super case-II transport. These results signify QH a smart material for sustained release formulations. PMID- 27865954 TI - Laminating of chemically modified silan based nanosols for advanced functionalization of cotton textiles. AB - As per to silver nanoparticles/silicon dioxide nanoparticles (SiO2@AgNPs) properties (e.g., conductivity, reactant, adsorption, detachment and antimicrobial), many researchers were focused on its preparation technique. A core/shell of silicon dioxide and silver nanoparticles (SiO2@AgNPs) has been prepared by facile route. The as synthesized core/shell nanoparticles were chemically modified with two different silan compounds, nominated, vinyltriethoxysilan (VTEOS) and (3-aminopropyl)trimethoxysilan (APTEOS). World class facilities such as XRD, FT-IR, TEM, Particle size, DLS, SEM techniques were utilized for the nanoparticles characterization. The nanoparticulate system comprises SiO2@AgNPs, SiO2@AgNPs/APTEOS were applied to cotton fabric using butantetracarboxylic acid (BTCA) as across-linking agent. While UV irradiation by photo initiator was used as crosslinking agent for SiO2@AgNPs/VTEOS on cotton fabrics. The Treated cotton fabrics were evaluated for their surface morphology and heat transfer ability as well as antibacterial activity. The obtained data prove that the core/shell was successfully prepared, with AgNPs in core. In addition, both silan compounds (APTEOS, VTEOS) were successfully reacted with the outer shell SiO2. The results declared also that the treated fabrics exhibit a good antibacterial activity as well as good thermal properties. PMID- 27865955 TI - Studies to reveal the nature of interactions between catalase and curcumin using computational methods and optical techniques. AB - Curcumin is an important antioxidant compound, and is widely reported as an effective component for reducing complications of many diseases. However, the detailed mechanisms of its activity remain poorly understood. We found that curcumin can significantly increase catalase activity of BLC (bovine liver catalase). The mechanism of curcumin action was investigated using a computational method. We suggested that curcumin may activate BLC by modifying the bottleneck of its narrow channel. The molecular dynamic simulation data showed that placing curcumin on the structure of enzyme can increase the size of the bottleneck in the narrow channel of BLC, and readily allow the access of substrate to the active site. Because of the increase of the distance between amino acids of the bottleneck in the presence of curcumin, the entrance space of substrate increased from 250A3 to 440A3. In addition, the increase in emission of intrinsic fluorescence of BLC in presence of curcumin demonstrated changes in tertiary structure of catalase, and possibility of less quenching. We also used circular dichroism (CD) spectropolarimetry to determine how curcumin may alter the enzyme secondary structure. Catalase spectra in the presence of various concentrations of curcumin showed an increase in the amount of alpha-helix content. PMID- 27865957 TI - Starch functionalized biodegradable semi-IPN as a pH-tunable controlled release platform for memantine. AB - Sequentially prepared semi-interpenetrating polymer network (semi-IPN) has been developed here via Michael type addition of acrylic acid (AA) and 2-acrylamido-2 methylpropane sulfonic acid (AMPS) on to starch. The semi-IPN hydrogel have proficiency in fast water imbibition towards gel network and swelling tunable character with pH alteration in ambient condition. The synthesized gel has been characterized by Fourier transformed infrared spectroscopy (FTIR) to confirm Michael type grafting of monomers on to starch. The surface morphology, observed from Scanning Electron Microscopy (SEM) exhibited corrugated rough surface on hydrogel which enhances the fast water uptake feature by anomalous Fickian case II diffusion mechanism. Grafting reaction also improves its thermal stability which has been confirmed by thermogravimetric analysis (TGA). Biodegradation study with hen egg lysozyme medium reveals the accelerated enzymatic scission of the starch backbone and progressive mass loss. Degradation of the hydrogel around 60% of its primary mass has been observed within 7days. The physicochemical characterizations of this hydrogel suggest this as a promising pH-tunable, biodegradable candidate for control drug delivery vehicle. PMID- 27865956 TI - Safranal and its analogs inhibit Escherichia coli ATP synthase and cell growth. AB - Safranal, a dominant component of saffron, is known to have antitumor, cytotoxic, and antibacterial properties. In this study, we examined safranal and its structural analogs-thymol, carvacrol, damascenone, cuminol, 2,6,6-trimethyl-2 cyclohexene-1,4-dione (TMCHD), 4-isopropylbenzyl bromide (IPBB), and 4-tert butylphenol (TBP) induced inhibition of Escherichia coli membrane bound F1Fo ATP synthase. Safranal and its analogs inhibited wild-type enzyme to variable degrees. While safranal caused 100% inhibition of wild-type F1Fo ATP synthase, only about 50% inhibition occurred for alphaR283D mutant ATP synthase. Moreover, safranal, thymol, carvacrol, damascenone, cuminol, TMCHD, IPBB, and TBP all fully abrogated the growth of wild-type E. coli cells and had partial or no effect on the growth of null and mutant E. coli strains. Therefore, the antimicrobial properties of safranal, thymol, carvacrol, damascenone, cuminol, TMCHD, IPBB, and TBP can be linked to their binding and inhibition of ATP synthase. Total loss of growth in wild-type and partial or no growth loss in null or mutant E. coli strains demonstrates that ATP synthase is a molecular target for safranal and its structural analogs. Partial inhibition of the alphaArg-283 mutant enzyme establishes that alphaArg-283 residue is required in the polyphenol binding pocket of ATP synthase for the binding of safranal. Furthermore, partial growth loss for the null and mutant strains in the presence of inhibitors also suggests the role of other targets and residues in the process of inhibition. PMID- 27865958 TI - Development of bone-like zirconium oxide nanoceramic modified chitosan based porous nanocomposites for biomedical application. AB - Here, zirconium oxide nanoparticles (ZrO2 NPs) were incorporated for the first time in organic-inorganic hybrid composites containing chitosan, poly(ethylene glycol) and nano-hydroxypatite (CS-PEG-HA) to develop bone-like nanocomposites for bone tissue engineering application. These nanocomposites were characterized by FT-IR, XRD, TEM combined with SAED. SEM images and porosity measurements revealed highly porous structure having pore size of less than 1MUm to 10MUm. Enhanced water absorption capacity and mechanical strengths were obtained compared to previously reported CS-PEG-HA composite after addition of 0.1-0.3wt% of ZrO2 NPs into these nanocomposites. The mechanical strengths and porosities were similar to that of human spongy bone. Strong antimicrobial effects against gram-negative and gram-positive bacterial strains were also observed. Along with getting low alkalinity pH (7.4) values, similar to the pH of human plasma, hemocompatibility and cytocompatibility with osteoblastic MG-63 cells were also established for these nanocomposites. Addition of 15wt% HA-ZrO2 (having 0.3wt% ZrO2 NPs) into CS-PEG (55:30wt%) composite resulted in greatest mechanical strength, porosity, antimicrobial property and cytocompatibility along with suitable water absorption capacity and compatibility with human pH and blood. Thus, this nanocomposite could serve as a potential candidate to be used for bone tissue engineering. PMID- 27865959 TI - Ultrasensitive cardiac troponin I antibody based nanohybrid sensor for rapid detection of human heart attack. AB - An ultrasensitive cardiac troponin I antibody conjugated with graphene quantum dots (GQD) and polyamidoamine (PAMAM) nanohybrid modified gold electrode based sensor was developed for the rapid detection of heart attack (myocardial infarction) in human. Screen printed gold (Au) electrode was decorated with 4 aminothiophenol for amine functionalization of the Au surface. These amino groups were further coupled with carboxyl functionalities of GQD with EDC-NHS reaction. In order to enhance the sensitivity of the sensor, PAMAM dendrimer was successively embedded on GQD through carbodiimide coupling to provide ultra-high surface area for antibody immobilization. The activated cardiac troponin I (cTnI) monoclonal antibody was immobilized on PAMAM to form nanoprobe for sensing specific heart attack marker cTnI. Various concentrations of cardiac marker, cTnI were electrochemically measured using cyclic voltammetry (CV) and differential pulse voltammetry (DPV) in human blood serum. The modifications on sensor surface were characterized by FTIR and AFM techniques. The sensor is highly specific to cTnI and showed negligible response to non-specific antigens. The sensitivity of the sensor was 109.23MUAcm-2MUg-1 and lower limit of detection of cTnI was found 20fgmL-1. PMID- 27865960 TI - Identification of Inonotus obliquus polysaccharide with broad-spectrum antiviral activity against multi-feline viruses. AB - Inonotus obliquus polysaccharides (IOPs) are a potential drug for the prevention and treatment of cancer, cardiopathy, diabetes, AIDs, pancreatitis and other diseases. In this study, we found that IOP can act as a broad-spectrum antiviral drug against feline viruses in the in vitro experiment. Using cell models of feline calicivirus (FCV), we demonstrated that IOP treatment was capable of exhibiting anti-FCV strain F9 activity in cell-based assays and also showed low cytotoxicity. Investigation of the mechanism of action of the compound revealed that IOP treatment induces its inhibitory actions directly on virus particles through blocking viral binding/absorpting. The inhibitory activity against other FCV isolates from China was also identified. More importantly, we found that IOP exhibited broad-spectrum antiviral activity against the feline herpesvirus 1, feline influenza virus H3N2 and H5N6, feline panleukopenia virus and feline infectious peritonitis virus that can contribute to respiratory and gastrointestinal diseases in cats. These findings suggest that IOP may be a potential broad-spectrum antiviral drug against feline viruses. PMID- 27865961 TI - Lifetime depression and anxiety increase prevalent psychological symptoms and worsen glycemic control in type 2 diabetes: The Fremantle Diabetes Study Phase II. AB - AIMS: To determine the contribution of lifetime major depressive disorder (L-MDD) and lifetime generalized anxiety disorder (L-GAD) to current psychological symptom severity, health behaviour and glycaemic control in type 2 diabetes. METHODS: 1285 community-dwelling people with type 2 diabetes (Fremantle Diabetes Study Phase-II; FDS2) completed the PHQ-9 and Brief Life-Time Depression Scale (BLDS) to assess current and past MDD. The Generalized Anxiety Disorder Scale (GADS) and the Generalized Anxiety Disorder Scale-Lifetime (GAD-LT), designed for FDS2, assessed current and past anxiety. Data were analysed using analysis of covariance and multiple mediation models, controlling for age, gender, marital status, and diabetes duration. RESULTS: L-MDD and L-GAD were independently associated with more severe current depression (both P<0.001) and anxiety (both P<0.001) symptoms. Mediation models revealed that, through increasing the severity of current depressive symptoms, L-MDD was associated with higher HbA1c and body mass index (BMI), greater likelihood of current smoking, and reduced self-monitoring of blood glucose (SMBG) (indirect regression path ab, all P<0.001). In combination, L-MDD+L-GAD additionally elevated the risk of higher HbA1c and worse diabetes management, by increasing the severity of current depressive symptoms (indirect regression path ab, all P<0.001). CONCLUSIONS: Lifetime depression and anxiety increase risk of more severe psychological symptoms, hyperglycaemia, and difficulties with health behaviour in type 2 diabetes. Early screening for these disorders at diabetes diagnosis may be warranted to maximize long-term health outcomes. PMID- 27865963 TI - Improved vascularization of porous scaffolds through growth factor delivery from heparinized polyethylene glycol hydrogels. AB - : Surface modification with heparin has previously been shown to increase vascularization of porous scaffolds. In order to determine its efficacy with sustained release, heparin (Hep) was covalently incorporated into degradable (Type D) and non-degradable (Type N) polyethylene glycol (PEG) hydrogels. After in vitro characterization of their physicochemical properties, growth factor (GF) loaded, heparinised Type D gels were formed within the pores of porous polyurethane disks, which were then implanted and evaluated in a subcutaneous model. Type N gels formed faster (3.1+/-0.1 vs. 7.2+/-0.2min), were stiffer (10.0+/-0.5kPa vs. 7.1+/-1.2kPa) and more stable than degradable gels (>6month stability vs. disintegration ?22d in vitro; all p<0.001). Sustained release of covalently incorporated (CI) heparin from Type N (56days; first order kinetics) and Type D (21days; zero order kinetics) was achieved, as opposed to non covalently incorporated (NI) heparin that eluted in a burst release within the first 2days. While Type D gels initially impeded tissue ingrowth into the porous scaffolds, they were completely degraded and replaced by ingrown tissue after 28days in vivo. At the latter timepoint disks containing gels without Hep or with non-covalently incorporated Hep were less vascularized than empty (no gel) controls. In contrast, the incorporation of covalently heparinized (no GF) and GF containing gels (no Hep) resulted in a 50% and 42% (p<0.05) improvement in vascularization, while an increase of 119% (p<0.001) was achieved with a combination of covalently attached Hep and GF. These gels thus provide a sustained release system for heparin and GF that extends the duration of their action to local tissue ingrowth. STATEMENT OF SIGNIFICANCE: The paper describes the modification and covalent incorporation of heparin into degradable and non degradable polyethylene glycol hydrogels in a way that provides for the hydrolytic cleavage of the linker for the release of the heparin in original and active form, and in an extended (21-56d) controlled (zero and first order respectively) manner. The successful use of these gels as growth-factor containing and releasing matrices for the improvement of in vivo vascularization holds promise for many potential uses in tissue engineering and regenerative medicine applications, such as vascular grafts and myocardial infarction therapy, where the antithrombotic and/or growth factor binding/potentiating properties are required. PMID- 27865962 TI - Pharmacologically active microcarriers delivering BDNF within a hydrogel: Novel strategy for human bone marrow-derived stem cells neural/neuronal differentiation guidance and therapeutic secretome enhancement. AB - : Stem cells combined with biodegradable injectable scaffolds releasing growth factors hold great promises in regenerative medicine, particularly in the treatment of neurological disorders. We here integrated human marrow-isolated adult multilineage-inducible (MIAMI) stem cells and pharmacologically active microcarriers (PAMs) into an injectable non-toxic silanized-hydroxypropyl methylcellulose (Si-HPMC) hydrogel. The goal is to obtain an injectable non-toxic cell and growth factor delivery device. It should direct the survival and/or neuronal differentiation of the grafted cells, to safely transplant them in the central nervous system, and enhance their tissue repair properties. A model protein was used to optimize the nanoprecipitation conditions of the neuroprotective brain-derived neurotrophic factor (BDNF). BDNF nanoprecipitate was encapsulated in fibronectin-coated (FN) PAMs and the in vitro release profile evaluated. It showed a prolonged, bi-phasic, release of bioactive BDNF, without burst effect. We demonstrated that PAMs and the Si-HPMC hydrogel increased the expression of neural/neuronal differentiation markers of MIAMI cells after 1week. Moreover, the 3D environment (PAMs or hydrogel) increased MIAMI cells secretion of growth factors (b-NGF, SCF, HGF, LIF, PlGF-1, SDF-1alpha, VEGF-A & D) and chemokines (MIP-1alpha & beta, RANTES, IL-8). These results show that PAMs delivering BDNF combined with Si-HPMC hydrogel represent a useful novel local delivery tool in the context of neurological disorders. It not only provides neuroprotective BDNF but also bone marrow-derived stem cells that benefit from that environment by displaying neural commitment and an improved neuroprotective/reparative secretome. It provides preliminary evidence of a promising pro-angiogenic, neuroprotective and axonal growth-promoting device for the nervous system. STATEMENT OF SIGNIFICANCE: Combinatorial tissue engineering strategies for the central nervous system are scarce. We developed and characterized a novel injectable non-toxic stem cell and protein delivery system providing regenerative cues for central nervous system disorders. BDNF, a neurotrophic factor with a wide-range effect, was nanoprecipitated to maintain its structure and released in a sustained manner from novel polymeric microcarriers. The combinatorial 3D support, provided by fibronectin microcarriers and the hydrogel, to the mesenchymal stem cells guided the cells towards a neuronal differentiation and enhanced their tissue repair properties by promoting growth factors and cytokine secretion. The long-term release of physiological doses of bioactive BDNF, combined to the enhanced secretion of tissue repair factors from the stem cells, constitute a promising therapeutic approach. PMID- 27865964 TI - Array-based functional peptide screening and characterization of gold nanoparticle synthesis. AB - : Based on inorganic material production through biomineralization in organisms, the use of biological molecules in nanomaterial production has received increasing attention as a vehicle to synthesize inorganic materials with selected properties in ambient conditions. Among various biological molecules that interact with metallic surfaces, short peptides are putative ligand molecules as they exhibit potential to control the synthesis of nanoscale materials with tailored functions. Herein, using a spot synthesis-based peptide array, the gold nanoparticle (AuNP) binding activities of approximately 1800 peptides were evaluated and revealed various activities ranging from positive (high-affinity binding peptides) to negative (weak- or null-affinity binding peptides). Among 50 peptides showing the highest AuNP binding activity, 46 sequences showed the presence of tryptophan-based motifs including W[Xn]W, H[Xn]W, and W[Xn]H (W: tryptophan, X: any amino acid, n: 1-8 amino acid residues), whereas none of these motifs was found in the WORST50 peptides. Notably, three peptides showing the highest binding affinities possessed bi-functionality in AuNP binding and Au(III) reduction in solution and on solid surfaces. In addition, the characterization of truncated peptide derivatives revealed unique peptide motifs for their function expressions that also supported the importance of tryptophan-based motifs for peptide-AuNP binding. These findings open the door for peptide-mediated precise regulation of AuNP synthesis in ambient condition and for site dependent controlled AuNP integration onto nanotechnological devices. STATEMENT OF SIGNIFICANCE: The development of a technique for functionally regulated nanosized material production in ambient condition is broadly required according to the expansion of nanomaterial based applications. Short peptides, which bind to metallic surfaces, have great potential for the technique development, but the realization remains a difficult challenge due to the lack of metal binding peptide varieties. Herein, approximately 1800 peptides with the gold nanoparticle (AuNP) binding activity are reported and characterized. Furthermore, by three highest binding peptides, the expression of bi-functionality in AuNP binding and Au(III) reduction was serendipitously discovered in solution and on solid surfaces. These findings will be attributed to new technique development of functional nanoparticle synthesis in mild condition, and for site-dependent AuNP integration in various nanotechnological devices. PMID- 27865965 TI - Palladin is involved in platelet activation and arterial thrombosis. AB - The dynamics of actin cytoskeleton have been shown to play a critical role during platelet activation. Palladin is an actin-associated protein, serving as a cytoskeleton scaffold to bundle actin fibers and actin cross linker. The functional role of palladin on platelet activation has not been investigated. Here, we characterized heterozygous palladin knockout (palladin+/-) mice to elucidate the platelet-related functions of palladin. The results showed that palladin was expressed in platelets and moderate palladin deficiency accelerated hemostasis and arterial thrombosis. The aggregation of palladin+/- platelets was increased in response to low levels of thrombin, U46619, and collagen. We also observed enhanced spreading of palladin+/- platelets on immobilized fibrinogen (Fg) and increased rate of clot retraction in platelet-rich plasma (PRP) containing palladin+/- platelets. Furthermore, the activation of the small GTPase Rac1 and Cdc42, which is associated with cytoskeletal dynamics and platelet activation signalings, was increased in the spreading and aggregating palladin+/- platelets compared to that in wild type platelets. Taken together, these findings indicated that palladin is involved in platelet activation and arterial thrombosis, implying a potent role of palladin in pathophysiology of thrombotic diseases. PMID- 27865966 TI - Febuxostat attenuates paroxysmal atrial fibrillation-induced regional endothelial dysfunction. AB - BACKGROUND: Paroxysmal atrial fibrillation (PAF) can increase thrombogenesis risk, especially in the left atrium (LA). The exact mechanism is still unclear. OBJECTIVE: We assessed the effects of PAF on endothelial function, and investigated if febuxostat (FX) can attenuate endothelial dysfunction by inhibition of xanthine oxidase (XO). MATERIALS AND METHODS: Eighteen male New Zealand white rabbits were divided randomly into sham-operated (S), PAF (P) or FX+pacing (FP) groups. Group P and group FP received rapid atrial pacing (RAP). Group FP was administered febuxostat (FX) for 7days before RAP. Post-procedure, blood samples were collected from the LA, right atrium (RA) and peripheral circulation. Tissues from the LA and RA were obtained. Endothelial dysfunction (thrombomodulin [TM], von Willebrand factor [VWF], asymmetric dimethylarginine [ADMA]), and indirect thrombin generation (thrombin-antithrombin complex [TAT], prothrombin fragment 1+2 [F1.2]) and oxidative stress in atrial tissue (xanthine oxidase [XO], superoxide dismutase [SOD], malondialdehyde [MDA]) were measured using an Enzyme-linked immunosorbent assay. Atrial endothelial expression of TM and VWF was measured by histology/western blotting. RESULTS AND CONCLUSIONS: Endothelial dysfunction (TM, VWF, ADMA), TAT generation and oxidative stress (XO, SOD, MDA) in group P were more significant compared with that in group S (p<0.05, respectively). In group P, all of these changes occurred to a greater extent in the LA compared with those in the RA or peripheral circulation. In group FP, FX attenuated endothelial dysfunction and reduced TAT levels by inhibition of XO mediated oxidative stress. PAF can lead to endothelial dysfunction and TAT generation by XO-mediated oxidative stress. The LA is more susceptible to these effects. FX can attenuate these changes by inhibition XO and XO-mediated oxidative stress. PMID- 27865967 TI - Usual and unusual mutations in a cohort of Belgian patients with hemophilia B. PMID- 27865968 TI - The dorsomedial prefrontal cortex plays a causal role in mediating in-group advantage in emotion recognition: A TMS study. AB - Consistent evidence suggests that emotional facial expressions are better recognized when the expresser and the perceiver belong to the same social group (in-group advantage). In this study, we used transcranial magnetic stimulation (TMS) to investigate the possible causal involvement of the dorsomedial prefrontal cortex (dmPFC) and of the right temporo-parietal junction (TPJ), two main nodes of the mentalizing neural network, in mediating the in-group advantage in emotion recognition. Participants performed an emotion discrimination task in a minimal (blue/green) group paradigm. We found that interfering with activity in the dmPFC significantly interfered with the effect of minimal group-membership on emotion recognition, reducing participants' ability to discriminate emotions expressed by in-group members. In turn, rTPJ mainly affected emotion discrimination per se, irrespective of group membership. Overall, our results point to a causal role of the dmPFC in mediating the in-group advantage in emotion recognition, favoring intragroup communication. PMID- 27865969 TI - Age-related alterations in functional connectivity patterns during working memory encoding of emotional items. AB - Previous findings indicate age-related differences in frontal-amygdala connectivity during emotional processing. However, direct evidence for age differences in brain functional activation and connectivity during emotional processing and concomitant behavioral implications is lacking. In the present study, we examined the impact of aging on the neural signature of selective attention to emotional information during working memory (WM) encoding. Participants completed an emotional WM task in which they were asked to attend to emotional targets and ignore irrelevant distractors. Despite an overall reduction in accuracy for older relative to younger adults, no behavioral age effect was observed as a function of emotional valence. The functional connectivity patterns of left ventrolateral prefrontal cortex showed that younger adults recruited one network for encoding of both positive and negative emotional targets and this network contributed to higher memory accuracy in this cohort. Older adults, on the other hand, engaged two distinct networks for encoding of positive and negative targets. The functional connectivity analysis using left amygdala further demonstrated that older adults recruited one single network during encoding of positive as well as negative targets whereas younger adults recruited this network only for encoding of negative items. The engagement of amygdala functional network also contributed to higher memory performance and faster response times in older adults. Our findings provide novel insights into the differential roles of functional brain networks connected to the medial PFC and amygdala during encoding of emotionally-valenced items with advancing age. PMID- 27865970 TI - Insights into amyloid-like aggregation of H2 region of the C-terminal domain of nucleophosmin. AB - Nucleophosmin (NPM1) is a multifunctional protein involved in a variety of biological processes including the pathogenesis of several human malignancies and is the most frequently mutated gene in Acute Myeloid Leukemia (AML). To deepen the role of protein regions in its biological activities, lately we reported on the structural behavior of dissected C-terminal domain (CTD) helical fragments. Unexpectedly the H2 (residues 264-277) and H3 AML-mutated regions showed a remarkable tendency to form amyloid-like assemblies with fibrillar morphology and beta-sheet structure that resulted as toxic when exposed to human neuroblastoma cells. More recently NPM1 was found to be highly expressed and toxic in neurons of mouse models of Huntington's disease (HD). Here we investigate the role of each residue in the beta-strand aggregation process of H2 region of NPM1 by performing a systematic alanine scan of its sequence and structural and kinetic analyses of aggregation of derived peptides by means of Circular Dichorism (CD) and Thioflavin T (Th-T) assay. These solution state investigations pointed out the crucial role exerted by the basic amyloidogenic stretch of H2 (264-271) and to shed light on the initial and main interactions involved in fibril formation we performed studies on fibrils deriving from the related Ala peptides through the analysis of fibrils with birefringence of polarized optical microscopy and wide-angle X-ray scattering (WAXS). This analysis suggested that the presence of branched Ile269 conferred preferential packing patterns that, instead, appeared geometrically hampered by the aromatic side-chain of Phe268. Present investigations could be useful to deepen the knowledge of AML molecular mechanisms and the role of cytoplasmatic aggregates of NPM1c+. PMID- 27865971 TI - Complete genome sequence of a non-pathogenic strain of Fowl Adenovirus serotype 11: Minimal genomic differences between pathogenic and non-pathogenic viruses. AB - In this study, we conducted the clinicopathological characterization of a non pathogenic FAdV-D serotype 11 strain MX95, isolated from healthy chickens, and its entire genome was sequenced. Experiments in SPF chickens revealed that the strain is a non-pathogenic virus that did not cause death at challenge doses of 1*106 TCID50. Additionally, the infection in SPF chickens caused no apparent damage in most of the organs analyzed by necropsy and histopathology, but it did cause inclusion body hepatitis; nevertheless it did not generate severe infectious clinical symptoms. The virus was detected in several chicken organs, including the lymphoid organs, by real-time polymerase chain reaction (PCR) until 42 days. The genome of FAdV-11 MX95 has a size of 44,326bp, and it encodes 36 open reading frames (ORFs). Comparative analysis of the genome indicated only 0.8% dissimilarity with a highly virulent serotype 11 that was previously reported. PMID- 27865972 TI - Paediatric urolithiasis in emerging economies. AB - BACKGROUND: Paediatric urolithiasis remains endemic in low resource countries. This review highlights the epidemiology, causation and management of urolithiasis in an Asian country in the context of emerging economies. METHODS: A literature review of recent articles with key words paediatric urolithiasis, developing countries, endemic stone disease, stone composition, metabolic risk factors, management of paediatric urolithiasis was undertaken and 51 relevant articles were selected with the main focus on experience of this center in managing stone disease in the last two decades. RESULTS: Prevalence of paediatric urolithiasis is high upto 15% affecting children under 15 years with male predominance. Bladder stones still constitutes 10-70% of the burden. Etiology remains unknown where 55% are considered idiopathic, 25% metabolic, 7% infection and 12% due to anatomical abnormalities. Hot climate, poor nutrition, diarrheal diseases are the major causative factors. Chemical composition of stones showed CaOX in 30-63%, AAU in 17-55%, struvite in 8-9%, uric acid in 3-6% and cystine in 1%. Important metabolic risk factors are hypocitraturia in 63-87%, hyperoxaluria in 40-43%, hypocalciuria in 20%, hyperuricosuria in 27%, hyperammonuria in 11-51% and hypovolemia in 31%. Minimally invasive surgery is the mainstay of surgical management. ESWL provides excellent free rates of 84% for smaller stones. PCNL is the option for majority of renal stones with success rates of 89% for simple and 71.5% for complex stones. For bladder stones PUCL and PCCL success rates were 100%. URS for ureteric stones showed clearance rate of 90%. Open surgery is required in 12% of patients with large stone burden. CONCLUSION: Paediatric urolithiasis remains a devastating health problem in low resource settings. MIS offers relief to majority of patients with excellent stone free rates and short hospital stay. Preventable strategies have to be put in place by improving nutrition and eliminating risk factors by diet and medical intervention. PMID- 27865973 TI - Hypertension and other cardiovascular risk factors are associated with vitamin D deficiency in an urban Chinese population: A short report. AB - There is debate concerning the association of 25-hydroxyvitamin D (25OHD) and parathyroid hormone (PTH) with cardiovascular disease (CVD) risk factors. As both hypertension and vitamin D deficiency are increasingly important public health concerns in China, we investigated these associations in 566 Macao residents. The aim was to investigate the association of serum 25OHD and PTH concentrations with CVD risk factors (hypertension, high pulse rate, abnormal blood lipids). The data were stratified by age, sex, and blood pressure (BP) medication use. Multiple linear regression analyses were performed to assess associations, adjusting for appropriate confounders. Lower 25OHD concentrations were significantly associated with higher systolic BP (SBP) mmHg (beta=-0.07), diastolic BP (DBP) mmHg (beta= 0.06) and pulse rate beats/min (beta=-0.12), lower high-density lipoprotein (HDL) concentrations nmol/L (beta=10.51) and higher triglycerides (TG) nmol/L (beta= 2.38). However, the inverse associations with lower 25OHD for higher SBP, DBP, pulse rate and TG were much stronger in those using BP medications, in those who were older, and in females. Higher PTH concentrations were significantly associated with higher low-density lipoprotein (LDL) nmol/L (beta=0.77) in the total population and with higher SBP mmHg (beta=0.08) in males and those who were older (beta=0.09). In conclusion, our major new finding is that lower 25OHD is associated with higher BP especially in those who use BP medications. These results might explain past discrepancies in findings regarding the association of BP and vitamin D and suggest that prospective studies and randomized control trials, in otherwise healthy Chinese populations taking blood pressure medications, are needed to confirm these cross-sectional results. PMID- 27865974 TI - Importance of the combined urinary procedure for the diagnosis of Mucopolysaccharidoses. AB - BACKGROUND: Mucopolysaccharidoses are characterized by the accumulation of undegraded glycosaminoglycans in lysosomes in multiple organs and by their excretion in high amounts in urine. The aim of this study is to determine if this simple, reliable and reproducible method is useful for the diagnosis of Mucopolysaccharidoses. METHODS: The study included 2154 normal urine samples and 210 samples from 73 patients affected by different types of Mucopolysaccharidoses. The glycosaminoglycans were quantified by a dimethylmethylene blue method and size-fractionated by a modified one-dimensional electrophoresis method. RESULTS: The combination of the two methods allowed to identify all the patients affected by the different types of Mucopolysaccharidosis with 100% sensitivity and specificity. CONCLUSION: This combined approach gives fast diagnostic orientation about the different types of Mucopolysaccharidoses, offering an important tool for a better understanding of diagnosis and patient management. PMID- 27865976 TI - Comment on treatment for recurrent vulvovaginal candidiasis. PMID- 27865975 TI - Differences in placental telomere length suggest a link between racial disparities in birth outcomes and cellular aging. AB - BACKGROUND: Health disparities begin early in life and persist across the life course. Despite current efforts, black women exhibit greater risk for pregnancy complications and negative perinatal outcomes compared with white women. The placenta, which is a complex multi-tissue organ, serves as the primary transducer of bidirectional information between the mother and fetus. Altered placental function is linked to multiple racially disparate pregnancy complications; however, little is known about racial differences in molecular factors within the placenta. Several pregnancy complications, which include preeclampsia and fetal growth restriction, exhibit racial disparities and are associated with shorter placental telomere length, which is an indicator of cellular stress and aging. Cellular senescence and telomere dynamics are linked to the molecular mechanisms that are associated with the onset of labor and parturition. Further, racial differences in telomere length are found in a range of different peripheral tissues. Together these factors suggest that exploration of racial differences in telomere length of the placenta may provide novel mechanistic insight into racial disparities in birth outcomes. OBJECTIVE: This study examined whether telomere length measured in 4 distinct fetally derived tissues were significantly different between black and white women. The study had 2 hypotheses: (1) that telomere length that is measured in different placental tissue types would be correlated and (2) that across all sampled tissues telomere length would differ by race. STUDY DESIGN: In a prospective study, placental tissue samples were collected from the amnion, chorion, villus, and umbilical cord from black and white singleton pregnancies (N=46). Telomere length was determined with the use of monochrome multiplex quantitative real-time polymerase chain reaction in each placental tissue. Demographic and pregnancy-related data were also collected. Descriptive statistics characterized the sample overall and among black and white women separately. The overall impact of race was assessed by multilevel mixed effects linear regression models that included empirically relevant covariates. RESULTS: Telomere length was correlated significantly across all placental tissues. Pairwise analyses of placental tissue telomere length revealed significantly longer telomere length in the amnion compared with the chorion (t= 2.06; P=.043). Overall telomere length measured in placenta samples from black mothers were significantly shorter than those from white mothers (beta=-0.09; P=.04). Controlling for relevant maternal and infant characteristics strengthened the significance of the observed racial differences (beta=-0.12; P=.02). Within tissue analyses revealed that the greatest difference by race was found in chorionic telomere length (t=-2.81; P=.007). CONCLUSION: These findings provide the first evidence of racial differences in placental telomere length. Telomere length was significantly shorter in placental samples from black mothers compared with white mothers. Given previous studies that have reported that telomere length, cellular senescence, and telomere dynamics are molecular factors that contribute to the rupture of the amniotic sac, onset of labor, and parturition, our findings of shorter telomere length in placentas from black mothers suggest that accelerated cellular aging across placental tissues may be relevant to the increased risk of preterm delivery in black pregnancies. Our results suggest that racial differences in cellular aging in the placenta contribute to the earliest roots of health disparities. PMID- 27865977 TI - Racial/ethnic differences in preterm perinatal outcomes. AB - BACKGROUND: Racial disparities in preterm birth and infant death have been well documented. Less is known about racial disparities in neonatal morbidities among infants who are born at <37 weeks of gestation. OBJECTIVE: The purpose of this study was to determine whether the risk for morbidity and death among infants who are born preterm differs by maternal race. STUDY DESIGN: A retrospective cohort design included medical records from preterm deliveries of 19,325 black, Hispanic, and white women in the Consortium on Safe Labor. Sequentially adjusted Poisson models with generalized estimating equations estimated racial differences in the risk for neonatal morbidities and death, controlling for maternal demographics, health behaviors, and medical history. Sex differences between and within race were examined. RESULTS: Black preterm infants had an elevated risk for perinatal death, but there was no difference in risk for neonatal death across racial groups. Relative to white infants, black infants were significantly more likely to experience sepsis (9.1% vs 13.6%), peri- or intraventricular hemorrhage (2.6% vs 3.3%), intracranial hemorrhage (0.6% vs 1.8%), and retinopathy of prematurity (1.0% vs 2.6%). Hispanic and white preterm neonates had similar risk profiles. In general, female infants had lower risk relative to male infants, with white female infants having the lowest prevalence of a composite indicator of perinatal death or any morbidity across all races (30.9%). Differences in maternal demographics, health behaviors, and medical history did little to influence these associations, which were robust to sensitivity analyses of pregnancy complications as potential underlying mechanisms. CONCLUSION: Preterm infants were at similar risk for neonatal death, regardless of race; however, there were notable racial disparities and sex differences in rare, but serious, adverse neonatal morbidities. PMID- 27865978 TI - Reply. PMID- 27865979 TI - Characterizing women with interest in uterine transplant clinical trials in the United States: who seeks information on this experimental treatment? PMID- 27865981 TI - SRB1 as a new redox target of cigarette smoke in human sebocytes. AB - For its critical location, the skin represents the major interface between the body and the environment, therefore is one of the major biological barriers against the outdoor environmental stressors. Among the several oxidative environmental stressors, cigarette smoke (CS) has been associated with the development and worsening of many skin pathologies such as acne, dermatitis, delayed wound healing, aging and skin cancer. In our previous work we have demonstrated that CS is able to affect genes involved in skin cholesterol trafficking, among which SRB1, a receptor involved in the uptake of cholesterol from HDL, seems to be very susceptible to the oxidative stress induced by CS. In the present work we wanted to investigate the presence of SRB1 in human sebocytes and whether CS can affect cholesterol cellular uptake via the redox modulation of SRB1. By using a co-culture system of keratinocytes/sebocytes, we found that CS exposure induced a SRB1 protein loss without affecting sebocytes viability. The decrease of SRB1 levels was a consequence of SRB1/HNE adducts formation that leads to SRB1 ubiquitination and degradation. Moreover, the CS-induced loss of SRB1 induced an alteration of sebocytes lipid content, also demonstrated by cholesterol quantification in SRB1 siRNA experiments. In conclusion, exposure to CS, induced SRB1 post-translational modifications in sebocytes and this might affect sebocytes/skin functionality. PMID- 27865983 TI - Transdermal therapeutic systems for memantine delivery. Comparison of passive and iontophoretic transport. AB - Memantine is a non-competitive N-methyl-d-aspartate (NMDA) receptor antagonist used in the treatment of moderate to severe dementia including the symptoms of Alzheimer's disease (AD). It is administered orally but compliance, swallowing problems and the routine use of multiple medications in elderly AD patients means that an alternative route of administration would be of interest. The aim of the present study was to develop memantine hydrochloride occlusive transdermal therapeutic systems (TTS) for passive and iontophoretic delivery across the skin. Polyvinyl pyrrolidone (PVP) and a mixture with polyvinyl alcohol (PVA) were employed as polymeric matrices. The study involved the TTS characterization in addition to quantification of the memantine transport across porcine skin in vitro. The evaluation of the TTS physical properties suggested that systems were made more mechanically resistant by including PVA (6%) or high concentrations of PVP (24%). Moreover, a linear correlation was observed between the concentration of PVP and the bioadhesion of the systems. Drug delivery experiments showed that the highest transdermal flux provided by a passive TTS (PVP 24% w/w limonene) was 8.89+/-0.81MUgcm-2h-1 whereas the highest iontophoretic transport was 46.4+/ 3.6MUgcm-2h-1. These innovative TTS would enable two dosage regimens that could lead to therapeutic plasma concentrations. PMID- 27865986 TI - Persistence of antimicrobial resistance in respiratory streptococci. AB - OBJECTIVES: To assess whether persistence of antimicrobial resistance (i.e. non susceptible resistance status) after treatment with penicillins or cephalosporins versus macrolides or tetracyclines differs and to compare the results obtained using routinely collected data with findings reported in prospective studies. METHODS: Routinely collected microbiological data from 14 voluntary participating laboratories (2005) containing information on resistance status and individual antimicrobial consumption patterns (mid 2004-2005) were analysed using a generalised estimating equation (GEE) approach. The link function was adjusted to acknowledge that the proportion of resistant isolates in the population not treated with antibiotics [baseline resistance (BR)] is not necessarily zero. To optimise the comparability of this study with prospective studies, the analysis was repeated after removal of 14 isolates from patients who did not survive 2005. RESULTS: BR estimates were unstable and their confidence intervals were wide, which called for a sensitivity analysis using an adjusted GEE model with three different BR estimates. All models indicated that the proportion of susceptible isolates differed by treatment group and increased significantly over time, with this increase being independent of treatment group. Persistence of resistance after exposure to macrolides or tetracyclines was approximately three times as long as after exposure to penicillins or cephalosporins. CONCLUSIONS: Resistance following treatment with macrolides or tetracyclines persists longer than following treatment with penicillins or cephalosporins, which confirms the findings from prospective studies and suggests the use of routinely collected data as a valuable alternative to determine such differences in persistence of resistance. PMID- 27865980 TI - Aging of cerebral white matter. AB - White matter (WM) occupies a large volume of the human cerebrum and is mainly composed of myelinated axons and myelin-producing glial cells. The myelinated axons within WM are the structural foundation for efficient neurotransmission between cortical and subcortical areas. Similar to neuron-enriched gray matter areas, WM undergoes a series of changes during the process of aging. WM malfunction can induce serious neurobehavioral and cognitive impairments. Thus, age-related changes in WM may contribute to the functional decline observed in the elderly. In addition, aged WM becomes more susceptible to neurological disorders, such as stroke, traumatic brain injury (TBI), and neurodegeneration. In this review, we summarize the structural and functional alterations of WM in natural aging and speculate on the underlying mechanisms. We also discuss how age related WM changes influence the progression of various brain disorders, including ischemic and hemorrhagic stroke, TBI, Alzheimer's disease, and Parkinson's disease. Although the physiology of WM is still poorly understood relative to gray matter, WM is a rational therapeutic target for a number of neurological and psychiatric conditions. PMID- 27865985 TI - cfr-mediated linezolid-resistant clinical isolates of methicillin-resistant coagulase-negative staphylococci from China. AB - Three linezolid-resistant coagulase-negative staphylococci (LR-CoNS), including two Staphylococcus cohnii and one Staphylococcus capitis, were isolated from 1104 clinical staphylococcal isolates across China in 2013-2014. Antibiotic susceptibilities of the bacteria were determined by the agar dilution method. PCR and DNA sequencing were performed to determine the potential molecular mechanism of linezolid resistance. The two linezolid-resistant S. cohnii isolates were subjected to pulsed-field gel electrophoresis (PFGE) to investigate their genetic relatedness. Primer walking, S1 nuclease PFGE and Southern blot hybridisation were conducted to ascertain the location and environment of the cfr gene. All three isolates were positive for the cfr gene. Amino acid mutations S158F and S158Y in the ribosomal protein L3 were identified in S. cohnii 13B289 and 13L105, respectively, both of which also had an additional substitution (D159Y) in L3. PFGE indicated that the two S. cohnii isolates belonged to diverse clonal strains. S1 nuclease PFGE and Southern blotting experiments indicated that the cfr gene of the three isolates resided on plasmids of similar size (ca. 35.4kb). The cfr-harbouring segments of S. capitis 13G350 and S. cohnii 13L105 were identical to plasmid pSS-01 reported previously. The cfr-carrying fragment of S. cohnii 13B289 was indistinguishable from the formerly described plasmid pSS-02. In conclusion, the presence of the cfr gene located on a plasmid was the main mechanism contributing to resistance to linezolid in the three staphylococcal isolates. Hence, timely detection and judicious use of antibiotics are essential to prevent further transmission of this resistance mechanism. PMID- 27865984 TI - Fabrication of liposomal doxorubicin exhibiting ultrasensitivity against phospholipase A2 for efficient pulmonary drug delivery to lung cancers. AB - Phospholipase A2 (PLA2) is expressed in inflammation-related tissue, including cancer tumors. We report that a hybrid liposome composed of phospholipid (DPPC) and PEGylated block-copolymer (Poloxamer 188) can rapidly release an encapsulated hydrophilic drug in the presence of PLA2. DPPC/P188 liposomes released approximately 80% of the encapsulated calcein (a fluorescence marker) within 10min in the presence of 120 mU of PLA2 at 37 degrees C in vitro, whereas several other liposomal compositions used for inhalation therapy did not. DPPC/P188 liposomes were stable in the absence of PLA2 at 37 degrees C after 60min incubation and drug release by PLA2 was dependent on the amount of P188 incorporated into the DPPC liposomes. Drug release from doxorubicin (DOX, anticancer drug)-loaded DPPC/P188 liposomes was facilitated at higher PLA2 concentrations and was dependent on the temperature and the presence of calcium ion, thus partially explaining PLA2-responsive drug release. DOX release from liposomes triggered by PLA2 exhibited the same cytotoxic effects on the A549 lung cancer cell line as did DOX in free solution. These findings suggest that DPPC/P188 liposomes are a promising drug carrier for delivering drug efficiently at PLA2-expressing sites such as inflammatory lung cancer. PMID- 27865982 TI - Hide and seek: How do DNA glycosylases locate oxidatively damaged DNA bases amidst a sea of undamaged bases? AB - The first step of the base excision repair (BER) pathway responsible for removing oxidative DNA damage utilizes DNA glycosylases to find and remove the damaged DNA base. How glycosylases find the damaged base amidst a sea of undamaged bases has long been a question in the BER field. Single molecule total internal reflection fluorescence microscopy (SM TIRFM) experiments have allowed for an exciting look into this search mechanism and have found that DNA glycosylases scan along the DNA backbone in a bidirectional and random fashion. By comparing the search behavior of bacterial glycosylases from different structural families and with varying substrate specificities, it was found that glycosylases search for damage by periodically inserting a wedge residue into the DNA stack as they redundantly search tracks of DNA that are 450-600bp in length. These studies open up a wealth of possibilities for further study in real time of the interactions of DNA glycosylases and other BER enzymes with various DNA substrates. PMID- 27865987 TI - Sexy online self-presentation on social network sites and the willingness to engage in sexting: A comparison of gender and age. AB - The present study investigated whether engaging in sexy self-presentations on social network sites (SNSs) or exposure to sexy self-presentations on SNSs predicts the willingness to engage in sexting. A second aim of the present study was to investigate whether adolescent girls demonstrate stronger relationships between (exposure to) sexy online self-presentations on SNSs and willingness to sext than adolescent boys and young adult men and women. A two-wave panel survey among 953 Dutch adolescents (13-17 years old, 50.7% male) and 899 Dutch young adults (18-25 years old, 43.9% male) showed that engaging in sexy self presentations on SNSs increased the willingness to engage in sexting, but only among adolescent girls. Exposure to sexy self-presentations of others did not predict the willingness to engage in sexting. The findings call for more research on the role of gender and age in the link between sexy self-presentation and sexting. PMID- 27865988 TI - Persistent and new-onset daytime sleepiness in pregnant women: A prospective observational cohort study. AB - BACKGROUND: Daytime sleepiness is a frequent complaint in women during pregnancy. It has also been linked to negative obstetric consequences. Although high prevalence of excessive daytime sleepiness throughout pregnancy is well documented, neither the causes of persistent daytime sleepiness nor new-onset daytime sleepiness during pregnancy have been investigated. Identifying predictive factors may play an important role in the management of daytime sleepiness in pregnant women and improve prenatal care and maternal-fetal outcomes. OBJECTIVES: To examine first-trimester maternal characteristics associated with the persistence and new-onset daytime sleepiness in pregnant women. DESIGN: A longitudinal, prospective cohort design. SETTING: One medical center in Taipei, Taiwan and participating women's homes. PARTICIPANTS: A total of 204 pregnant women. METHODS: First-trimester pregnant women recruited from an outpatient obstetric clinic at a medical center provided socio-demographic and health information, wore an actigraphy monitor for 7 days, and completed sleep, mood, and daytime sleepiness questionnaires. Data were collected again when the women were in the second and third trimester. RESULTS: Thirty-one (15.2%) women experienced excessive daytime sleepiness that persisted across all three trimesters. Nulliparous women and women who snored in the first trimester were 2.28 and 2.10 times more at risk of being classified of persistent daytime sleepiness than multiparous women and women who did not snore in the first trimester, respectively. Thirty-one (15.2%) women developed new-onset daytime sleepiness with advancing gestation. Women were more likely to develop new-onset daytime sleepiness if they worked longer hours per week (OR=1.04, p<0.001), if they reported snoring (OR=6.75, p<0.001), and if they had elevated depressive symptoms in the first trimester of pregnancy (OR=1.09, p=0.01). CONCLUSIONS: Snoring in the first trimester is involved in both the persistence and new-onset of daytime sleepiness with elevated depressive symptoms related to new-onset daytime sleepiness in pregnant women. Findings suggest that intervention strategies for alleviating daytime sleepiness in pregnant women should focus on managing snoring and symptoms of depression in early trimesters with special attention to nulliparous and employed women. PMID- 27865990 TI - Exploring the link between gastric motility and intragastric drug distribution in man. AB - In drug development, the stomach is often considered to be a simple, one compartmental organ, a waiting room for transfer of an orally administered dosage form to the duodenum. However, factors such as gastric acidity and hydrodynamics in the gastric environment may influence drug disposition. Although a link between gastrointestinal drug behaviour and gastric motility has often been hypothesized, they have not been simultaneously investigated in humans yet. In this proof-of-concept study, the combination of a well-established intraluminal sampling technique with high-resolution manometric measurements in the gastrointestinal tract was evaluated. This new combination of in vivo techniques proved to be feasible from a practical point of view and yielded valuable additional information regarding intraluminal drug behaviour. As a first application, the link between fasted state gastric motility and (in)homogeneous distribution of an orally administered drug in the stomach was investigated in healthy subjects. To this end, drug concentrations were measured in different regions of the stomach after oral administration of a commercially available drug product (Gabbroral(r), 250mg paromomycin) during a specific period of gastric contractile activity. A clear trend towards better mixing of an orally administered drug with gastric contents was observed when dosed in the presence of gastric contractions, resulting in a more homogeneous distribution of the drug throughout the stomach compared to dosing in the absence of gastric contractions. PMID- 27865989 TI - Drug delivery across intact and disrupted skin barrier: Identification of cell populations interacting with penetrated thermoresponsive nanogels. AB - Nanoscaled soft particles, such as nanogels, can be designed to incorporate different types of compounds and release them in a controlled and triggered manner. Thermoresponsive nanogels (tNG), releasing their cargo above a defined temperature, are promising carrier systems for inflammatory skin diseases, where the temperature of diseased skin differs from that of healthy skin areas. In this study a polyglycerol-based tNG with diameter of 156nm was investigated for penetration and release properties upon topical application on ex vivo human skin with intact or disrupted barrier. Furthermore, temperature-triggered effects and the internalization of tNG by skin cells upon translocation to the viable skin layers were analyzed. The investigated tNG were tagged with indodicarbocyanine and loaded with fluorescein, so that fluorescent microscopy and flow cytometry could be used to evaluate simultaneously particle penetration and release of the fluorochrome. Topically applied tNG penetrated into the SC of both intact and disrupted skin explants. Only in barrier-disrupted skin significant amounts of released fluorochrome and tNG penetrated in the epidermis and dermis 2h after topical application. When a thermal trigger was applied by infrared radiation (30s, 3.9mJ/cm2), a significantly higher penetration of tNG in the SC and release of the dye in the epidermis were detected with respect to non-triggered samples. Penetrated tNG particles were internalized by skin cells in both epidermis and dermis. Only few CD1a-positive Langerhans cells associated with tNG were found in the epidermis. However, in the dermis a significant percentage of cells associated with tNG were identified to be antigen presenting cells, i.e. HLA DR+and CD206+cells. Thus, tNG represent promising carrier systems for the treatment of inflammatory skin diseases, not only because of their improved penetration and controlled release properties, but also because of their ability to effectively reach dermal dendritic cells in barrier-disrupted skin. PMID- 27865991 TI - Recent advances in multiaxial electrospinning for drug delivery. AB - Electrospun fibers have seen an insurgence in biomedical applications due to their unique characteristics. Coaxial and triaxial electrospinning techniques have added new impetus via fabrication of multilayered nano and micro-size fibers. These techniques offer the possibility of forming fibers with features such as blending, reinforced core, porous and hollow structure. The unique fabrication process can be used to tailor the mechanical properties, biological properties and release of various factors, which can potentially be useful in various controlled drug delivery applications. Harvesting these advantages, various polymers and their combinations have been explored in a number of drug delivery and tissue regeneration applications. New advances have shown the requirement of drug-polymer compatibility in addition to drug-solvent compatibility. We summarize recent findings using both hydrophilic and hydrophobic (or lipophilic) drugs in hydrophobic or hydrophilic polymers on release behavior. We also describe the fundamental forces involved during the electrospinning process providing insight to the factors to be considered to form fibers. Also, various modeling efforts on the drug release profiles are summarized. In addition new developments in the immune response to the electrospun fibers, and advances in scale-up issues needed for industrial size manufacturing. PMID- 27865993 TI - Fifteen-month-old infants' cortisol levels decrease after a 30-min-warm-up procedure. AB - Stress-induction procedures designed to increase cortisol levels in infants have been ineffective in many studies. One reason might be that infants did not have sufficient time to settle into the laboratory environment prior to the start of the stress induction, and thus already had high baseline levels of cortisol. In this study we investigate whether an extended warm-up period reduces infants' (N=22) cortisol levels. Fifteen-month-old infants' saliva cortisol was measured upon arrival at the laboratory. Then, they were allowed to play with their parent. After 30min, cortisol was measured again. There was a decrease in cortisol after 30min of free play. Our study suggests that infants' cortisol levels decrease when infants have the opportunity to acclimatize to the test environment. An extended warm-up phase prior to stress induction procedures might be necessary to reliably increase cortisol levels in infants. PMID- 27865992 TI - In 6- to 8-year-old children, hair cortisol is associated with body mass index and somatic complaints, but not with stress, health-related quality of life, blood pressure, retinal vessel diameters, and cardiorespiratory fitness. AB - OBJECTIVES: Hair cortisol measurement has become an increasingly accepted approach in endocrinology and biopsychology. However, while in adult research hair cortisol has been proposed as a relevant biomarker for chronic stress (and its adverse consequences), studies with children are scarce. Therefore, the goal of the present exploratory study was to examine the associations between hair cortisol concentrations (HCCs), stress, and a series of health-related outcomes in a sample of Swiss first grade schoolchildren. METHODS: The sample consisted of 318 children (53% girls, Mage=7.26, SD=0.35). Hair strands were taken near the scalp from a posterior vertex position, and HCCs were tested for the first 3-cm hair segment. Parents provided information about their children's age, gender, parental education, children's stress (recent critical life events, daily hassles), health-related quality of life, and psychosomatic complaints. Body composition, blood pressure, retinal vessel diameters, and cardiorespiratory fitness were measured with established methods. RESULTS: In multiple regression analyses, higher HCCs were weakly associated with increased BMI in girls (beta=0.22, p<0.001), whereas higher HCCs were associated with increased somatic complaints in boys (beta=0.20, p<0.05). No significant relationships were found between HCCs and parental reports of stress, health-related quality of life, blood pressure, retinal vessel diameters, and cardiorespiratory fitness. CONCLUSIONS: Although small significant relationships were found between HCCs, BMI and somatic complaints, the findings of this exploratory study challenge the view that HCCs can be used as a reliable biomarker of recent critical life events, daily hassles, health-related quality of life, and cardiovascular health indicators in non-clinical young children. PMID- 27865994 TI - Phenanthroline-bis-oxazole ligands for binding and stabilization of G quadruplexes. AB - BACKGROUND: G-quadruplexes (G4) are found at important genome regions such as telomere ends and oncogene promoters. One prominent strategy to explore the therapeutic potential of G4 is stabilized it with specific ligands. METHODS: We report the synthesis of new phenanthroline, phenyl and quinoline acyclic bisoxazole compounds in order to explore and evaluate the targeting to c-myc and human telomeric repeat 22AG G4 using FRET-melting, CD-melting, NMR, fluorescence titrations and FID assays. RESULTS: The design strategy has led to potent compounds (Phen-1 and Phen-2) that discriminate different G4 structures (human telomeric sequences and c-myc promoter) and selectively stabilize G4 over duplex DNA. CD studies show that Phen-2 binds and induces antiparallel topologies in 22AG quadruplex and also binds c-myc promotor, increasing their Tm in about 12 degrees C and 30 degrees C respectively. In contrast, Phen-1 induces parallel topologies in 22AG and c-myc, with a moderate stabilization of 4 degrees C for both sequences. Consistent with a CD melting study, Phen-2 binds strongly (K=106 to 107M-1) to c-myc and 22AG quadruplexes. CONCLUSIONS: Phen-1 and Phen-2 discriminated among various quadruplex topologies and exhibited high selectivity for quadruplexes over duplexes. Phen-2 retains antiparallel topologies for quadruplex 22AG and does not induce conformational changes on the parallel c-myc quadruplex although Phen-1 favors the parallel topology. NMR studies also showed that the Phen-2 binds to the c-myc quadruplex via end stacking. GENERAL SIGNIFICANCE: Overall, the results suggest the importance of Phen-2 as a scaffold for the fine-tuning with substituents in order to enhance binding and stabilization to G4 structures. This article is part of a Special Issue entitled "G-quadruplex" Guest Editor: Dr. Concetta Giancola and Dr. Daniela Montesarchio. PMID- 27865995 TI - G-quadruplex-based aptamers against protein targets in therapy and diagnostics. AB - Nucleic acid aptamers are single-stranded DNA or RNA molecules identified to recognize with high affinity specific targets including proteins, small molecules, ions, whole cells and even entire organisms, such as viruses or bacteria. They can be identified from combinatorial libraries of DNA or RNA oligonucleotides by SELEX technology, an in vitro iterative selection procedure consisting of binding (capture), partitioning and amplification steps. Remarkably, many of the aptamers selected against biologically relevant protein targets are G-rich sequences that can fold into stable G-quadruplex (G4) structures. Aiming at disseminating novel inspiring ideas within the scientific community in the field of G4-structures, the emphasis of this review is placed on: 1) recent advancements in SELEX technology for the efficient and rapid identification of new candidate aptamers (introduction of microfluidic systems and next generation sequencing); 2) recurrence of G4 structures in aptamers selected by SELEX against biologically relevant protein targets; 3) discovery of several G4-forming motifs in important regulatory regions of the human or viral genome bound by endogenous proteins, which per se can result into potential aptamers; 4) an updated overview of G4-based aptamers with therapeutic potential and 5) a discussion on the most attractive G4-based aptamers for diagnostic applications. This article is part of a Special Issue entitled "G-quadruplex" Guest Editor: Dr. Concetta Giancola and Dr. Daniela Montesarchio. PMID- 27865996 TI - In vivo effects of metal ions on conformation and mechanical performance of silkworm silks. AB - BACKGROUND: The mechanism of silk fiber formation is of particular interest. Although in vitro evidence has shown that metal ions affect conformational transitions of silks, the in vivo effects of metal ions on silk conformations and mechanical performance are still unclear. METHODS: This study explored the effects of metal ions on silk conformations and mechanical properties of silk fibers by adding K+ and Cu2+ into the silk fibroin solutions or injecting them into the silkworms. Aimed by CD analysis, FTIR analysis, and mechanical testing, the conformational and mechanical changes of the silks were estimated. By using BION Web Server, the interactions of K+ and N-terminal of silk fibroin were also simulated. RESULTS: We presented that K+ and Cu2+ induced the conformational transitions of silk fibroin by forming beta-sheet structures. Moreover, the mechanical parameters of silk fibers, such as strength, toughness and Young's modulus, were also improved after K+ or Cu2+ injection. Using BION Web Server, we found that potassium ions may have strong electrostatic interactions with the negatively charged residues. CONCLUSION: We suggest that K+ and Cu2+ play crucial roles in the conformation and mechanical performances of silks and they are involved in the silk fiber formation in vivo. GENERAL SIGNIFICANCE: Our results are helpful for clarifying the mechanism of silk fiber formation, and provide insights for modifying the mechanical properties of silk fibers. PMID- 27865998 TI - Intensive LDL-cholesterol lowering therapy and neurocognitive function. AB - The key lipid-lowering target is to achieve guideline-recommended low-density lipoprotein cholesterol (LDL-C) levels, usually by using statins. The new treatment strategies for lipid-lowering therapy include using proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibitors as an exciting approach to reduce residual risk of cardiovascular diseases (CVD). However, concerns about possible adverse effects, including neurocognitive disorders, were issued by the Food and Drug Administration (FDA). The current disputable evidence does not allow definite conclusions as to whether statins contribute to, or cause, clinically meaningful cognitive impairment. Some evidence indicates a high rate of memory loss, while other evidence suggests a benefit in dementia prevention. This debate should not discourage appropriate statin and other lipid-lowering drug administration. However, prescribers should be aware of such potential drug related side effects. Prospective controlled studies comparing the short- and long-term effects of different statins on cognitive function are warranted. The effects of intensive LDL-C lowering on neurocognition might be attributed to an off-target effect. It is also possible that pre-existing pathology and vascular risk may already be present outweighing any effect related to lipids. Gender, genetic, LDL-C-related genotypes and aging-related changes should also be considered. Some data indicate that carriers of apolipoprotein E (apoE) epsilon-4 allele, with low levels of apoA1 and high-density lipoprotein cholesterol have a distinct plasma lipid profile and may be more susceptible to neurocognitive dysfunction. Future research on lipid-lowering drugs and cognition is needed; careful study design and analysis will be critical. PMID- 27865999 TI - Approaches to improve metabolic stability of a statine-based GRP receptor antagonist. AB - : The bombesin receptor family, in particular the gastrin-releasing peptide receptor (GRPr), is an attractive target in the field of nuclear oncology due to the high density of these receptors on the cell surface of several human tumors. The successful clinical implementation of 64Cu-CB-TE2A-AR06, 68Ga-RM2 and 68Ga NODAGA-MJ9, prompted us to continue the development of GRPr-antagonists. The aim of the present study was to assess if N-terminal modulations of the statine-based GRPr-antagonist influence the binding affinity, the pharmacokinetic performance and the in vivo metabolic stability. METHODS: The GRPr-antagonist (D-Phe-Gln-Trp Ala-Val-Gly-His-Sta-Leu-NH2) was functionalized with the chelator 1,4,7,10 tetraazacyclododecane-1,4,7,10-tetraacetic acid (DOTA) via the spacer 4-amino-1 carboxymethyl-piperidine (Pip) and the amino acid N-Methyl-beta-Ala, to obtain NMe-RM2 and labeled with 68Ga and 177Lu. The GRPr affinity of the corresponding metalloconjugates determined using [125I-Tyr4]-BN as radioligand. In vitro evaluation included internalization studies using PC3 cells. The 68Ga-conjugate was evaluated in PC3 xenografts by biodistribution and PET studies, while investigations on the metabolic stability and plasma protein binding were performed. RESULTS: The half maximum inhibitory concentrations (IC50) of the metalloconjugates, using [125I-Tyr4]-BN, are in the low nanomolar range. PC3-cell culture binding studies of both metallated NMe-RM2 and RM2 show high GRPr-bound activity and low internalization. Metabolic studies showed that 68Ga-NMe-RM2 and 68Ga-RM2 are being cleaved in a similar fashion into three metabolites, with a good proportion of about 50% of the remaining blood activity at 15min post injection (p.i.) being represented by the intact radiotracer. 68Ga-NMe-RM2 was shown to target specifically PC3 xenografts, with high and sustained tumor uptake of about 13% IA/g within a time frame of 3h. The PET images clearly visualized the tumor. CONCLUSIONS: The relatively high percentage of the remaining intact radiotracer in blood 15min post injection sufficiently enables in vivo targeting of GRPr positive tumors, finding which has been also shown in clinical trials. PMID- 27865997 TI - Homogentisic acid induces aggregation and fibrillation of amyloidogenic proteins. AB - BACKGROUND: Alkaptonuria (AKU) is an ultra-rare inborn error of metabolism characterized by homogentisic acid (HGA) accumulation due to a deficient activity of the homogentisate 1.2-dioxygenase (HGD) enzyme. This leads to the production of dark pigments that are deposited onto connective tissues, a condition named 'ochronosis' and whose mechanisms are not completely clear. Recently, the potential role of hitherto unidentified proteins in the ochronotic process was hypothesized, and the presence of Serum Amyloid A (SAA) in alkaptonuric tissues was reported, allowing the classification of AKU as a novel secondary amyloidosis. METHODS: Gel electrophoresis, Western Blot, Congo Red-based assays and electron microscopy were used to investigate the effects of HGA on the aggregation and fibrillation propensity of amyloidogenic proteins and peptides [Abeta(1-42), transthyretin, atrial natriuretic peptide, alpha-synuclein and SAA]. LC/MS and in silico analyses were undertaken to identify possible binding sites for HGA (or its oxidative metabolite, a benzoquinone acetate or BQA) in SAA. RESULTS: We found that HGA might act as an amyloid aggregation enhancer in vitro for all the tested proteins and peptides in a time- and dose- dependent fashion, and identified a small crevice at the interface between two HGD subunits as a candidate binding site for HGA/BQA. CONCLUSIONS: HGA might be an important amyloid co- component playing significant roles in AKU amyloidosis. GENERAL SIGNIFICANCE: Our results provide a possible explanation for the clinically verified onset of amyloidotic processes in AKU and might lay the basis to setup proper pharmacological approaches to alkaptonuric ochronosis, which are still lacking. PMID- 27866000 TI - Effectiveness of final decontamination protocols against Enterococcus faecalis and its influence on bond strength of filling material to root canal dentin. AB - AIM: The aim of this study was to evaluate the effectiveness of final decontamination protocols against Enterococcus faecalis and their influence on bond strength of filling material to root canal dentin. MATERIAL AND METHODS: Ninety root canals were enlarged with ProTaper system and inoculated with E. faecalis for 15days. Sixty samples were randomly divided into six groups (n=10) and subjected to following protocols: G1-distilled water(control), G2-2% chlorhexidine, G3-QMix, G4-6.5% grape seed extract, G5-photodynamic therapy with optical fiber and G6-photodynamic therapy without optical fiber. The percentage of bacterial reduction was checked by counting of CFUs. The remaining 30 samples were subjected to the same decontamination protocols (n=5) and filled with gutta percha and AH Plus sealer in order to perform the push-out test. Data from both tests were subjected to one-way ANOVA followed by Tukey's post hoc procedure (alpha=0.05). RESULTS: The greatest bacterial reduction was observed for 2% chlorhexidine, QMix and 6.5% grape seed extract, with no statistically significant difference between them. Photodynamic therapy, with and without optical fiber, demonstrated a significantly higher reduction than distilled water, with no statistically significant difference between them (p<0.05). For the push-out test, final decontamination protocols showed similar bond strength values (p<0.05), with the highest incidence of cohesive failure in all groups. CONCLUSIONS: The tested final decontamination protocols showed effectiveness against E. faecalis and did not interfere with the bond strength of filling material to root canal dentin. PMID- 27866003 TI - News from the plant world: Listening to transcription. PMID- 27866002 TI - Live bio-imaging with fully bio-compatible organic fluorophores. AB - We synthesized a new organic fluorescent dye named resveratrone glucoside from the photoreaction of naturally-occurring phytoalexin compound resveratrol glucoside (resveratrol-3-beta-mono-d-glucoside), which is abundant in various plants such as berries, herbs, nuts and grapes. Just like its predecessor molecule resveratrone that was previously discovered by our group, resveratrone glucoside possesses excellent optical properties including a high fluorescence quantum yield, a large Stokes' shift, and a large two-photon absorption cross section. In addition to these highly desirable properties, both fluorescent molecules can also be used as ideal bio-compatible organic fluorophores since they have remarkably low cytotoxicity, which we verified through our cell morphological study, trypan blue exclusion assay, Western blot analysis and fluorescence imaging of various live biological specimens. In particular, we note that resveratrone glucoside is much more soluble in aqueous solution because of its glycosidic side chain and therefore highly suitable for in vivo imaging. We demonstrated that resveratrone and resveratrone glucoside can be used in one- and two-photon fluorescence microscopic imaging of E. coli, yeast (S. cerevisiae), and mammalian cell lines including HeLa and MCF10A cells as well as to the live imaging and real-time tracking of the zebrafish embryo development. Both organic fluorophores can be readily obtained from a simple photoreaction of commercially available, inexpensive samples. PMID- 27866001 TI - Generating disease-pertinent treatment vocabularies from MEDLINE citations. AB - OBJECTIVE: Healthcare communities have identified a significant need for disease specific information. Disease-specific ontologies are useful in assisting the retrieval of disease-relevant information from various sources. However, building these ontologies is labor intensive. Our goal is to develop a system for an automated generation of disease-pertinent concepts from a popular knowledge resource for the building of disease-specific ontologies. METHODS: A pipeline system was developed with an initial focus of generating disease-specific treatment vocabularies. It was comprised of the components of disease-specific citation retrieval, predication extraction, treatment predication extraction, treatment concept extraction, and relevance ranking. A semantic schema was developed to support the extraction of treatment predications and concepts. Four ranking approaches (i.e., occurrence, interest, degree centrality, and weighted degree centrality) were proposed to measure the relevance of treatment concepts to the disease of interest. We measured the performance of four ranks in terms of the mean precision at the top 100 concepts with five diseases, as well as the precision-recall curves against two reference vocabularies. The performance of the system was also compared to two baseline approaches. RESULTS: The pipeline system achieved a mean precision of 0.80 for the top 100 concepts with the ranking by interest. There were no significant different among the four ranks (p=0.53). However, the pipeline-based system had significantly better performance than the two baselines. CONCLUSIONS: The pipeline system can be useful for an automated generation of disease-relevant treatment concepts from the biomedical literature. PMID- 27866004 TI - Attention capture without awareness in a non-spatial selection task. AB - Distractors presented prior to a critical target in a rapid sequence of visually presented items induce a lag-dependent deficit in target identification, particularly when the distractor shares a task-relevant feature of the target. Presumably, such capture of central attention is important for bringing a target into awareness. The results of the present investigation suggest that greater capture of attention by a distractor is not accompanied by greater awareness of it. Moreover, awareness tends to be limited to superficial characteristics of the target such as colour. The findings are interpreted within the context of a model that assumes sudden increases in arousal trigger selection of information for consolidation in working memory. In this conceptualization, prolonged analysis of distractor items sharing task-relevant features leads to larger target identification deficits (i.e., greater capture) but no increase in awareness. PMID- 27866005 TI - Interoception and gender: What aspects should we pay attention to? AB - Interoception is involved in both somatic and mental disorders with different prevalence between genders; however, gender differences are often neglected. To examine the potential gender differences in interoceptive awareness, we recruited 376 healthy subjects (51% males, aged 17-30years), to fill in the Multidimensional Assessment of Interoceptive Awareness (MAIA). Of that sample, in a subgroup of 40 subjects (50% males), interoceptive accuracy was assessed by heartbeat counting task (HCT). The results on interroceptive awareness suggest that females tendto notice bodily sensations more often, better understand relations between bodily sensations and emotional states, worry or experience more emotional distress with sensations of pain or discomfort and see body as less safe. The results of interoceptive accuracy further suggest that females are less efficient in consciously detecting heartbeats. Therefore, gender should be considered when interoceptive evaluation is performed in disorders associated to bodily sensations and to the emotional/mood states. PMID- 27866007 TI - Continuous manufacturing via hot-melt extrusion and scale up: regulatory matters. AB - Currently, because globalization, the pharmaceutical industry is facing enormous challenges to comply with regulatory matters. Reduced patent life and overall decreased profitability of newly discovered drugs are also forcing the pharmaceutical industry to shorten the drug development time with maximum throughput. Therefore, continuous manufacturing (CM) processes via hot melt extrusion (HME) can be a promising alternative for achieving these goals. HME offers solvent-free green technology with a process that is easy to scale up. Moreover, CM provides better product quality assurance compared with batch processes, with fewer labor costs and shorter time to development. In this review, we primarily focus on various aspects of CM and the emerging application of HME to bridge the current manufacturing gap in pharmaceutical sphere. PMID- 27866006 TI - The Cardiovascular Safety of Dutasteride. AB - PURPOSE: Randomized controlled trials suggest an increased risk of heart failure with dutasteride, which inhibits both the type 1 and type 2 isoforms of 5alpha reductase. In contrast, no such association has been suggested for finasteride, which selectively inhibits the type 2 isoform. We investigated the risk of cardiovascular events among patients receiving dutasteride relative to finasteride. MATERIALS AND METHODS: We performed a population based cohort study of Ontario men 66 years old or older who commenced treatment with dutasteride or finasteride between October 1, 2005 and March 31, 2015. For each individual treated with dutasteride, we identified 1 treated with finasteride, matching on a propensity score and calendar quarter of treatment initiation to account for temporal changes in prescribing. The primary outcome was hospitalization for heart failure. Secondary analyses were done to examine acute myocardial infarction and stroke. Cox proportional hazards regression was used to adjust for differences between groups. RESULTS: We studied 36,311 men who commenced dutasteride and 36,311 treated with finasteride. In the primary analysis, we found no difference in the risk of heart failure among patients receiving dutasteride relative to those receiving finasteride (adjusted HR 0.98, 95% CI 0.88-1.08). Similarly, we found no difference in the risk of acute myocardial infarction (HR 0.94, 95% CI 0.82-1.08) or stroke (HR 1.03, 95% CI 0.88-1.20). CONCLUSIONS: In this population based cohort study of more than 72,000 older men, dutasteride was not associated with an increased risk of cardiovascular events relative to finasteride. PMID- 27866008 TI - Organs-on-chips: research and commercial perspectives. AB - Traditional preclinical drug testing methods utilize animal models to predict pharmacology and toxicology profiles. However, the data obtained from such methods cannot be directly extrapolated to humans and often do not provide a safe starting dose for first-in-human studies. To overcome these limitations, researchers have developed organs-on-chips - microfluidic devices that can mimic the cellular architecture and physiology more accurately than conventional methods. Because accurate organ-level interactions can be achieved with these devices, they have the potential to provide a realistic determination of a drug's pharmacokinetics, pharmacodynamics and toxicity profile. In this review, we describe the evolution of the technology and provide an overview of its current applications. We also discuss the current industry and government initiatives in promoting further research on organs-on-chips for potential use during drug development. PMID- 27866009 TI - Commercialisation of CAR T-cell therapies: business model spectrum. PMID- 27866010 TI - The botanical explorer's legacy: a promising bioprospecting tool. AB - Records about the traditional uses of medicinal plants can be considered useful in bioprospecting (i.e., the search for new active agents or lead structures in nature). Several sources like Egyptian papyri, early modern herbals and pharmacopoeias have been studied in this respect. It is proposed to use recordings of botanically interested explorers of the 19th and early 20th centuries as well. Some of them give detailed information about traditionally used medicinal plants and analysis shows that a considerable number of these have never been scientifically investigated. Existing studies, however, are confirming the traditional uses described to a great extent. Thus, the explorer's writings should not be neglected while looking for starting points for plant screening; success seems more likely than with screening at random. PMID- 27866011 TI - Protected Mealtimes in hospitals and nutritional intake: Systematic review and meta-analyses. AB - OBJECTIVES: Protected Mealtimes is an intervention developed to address the problem of malnutrition, particularly in the hospital setting. The intervention aims to provide interruption-free time to eat during a hospital admission, thus supporting increased nutritional intake. This review aimed to determine the impact of Protected Mealtimes on the nutritional intake of hospitalised patients. DESIGN: The review was registered with the PROSPERO International Prospective Register of Systematic Reviews (CRD42015023423) and followed the PRISMA guidelines. Meta-analyses were conducted of energy and protein intake. DATA SOURCES: Seven databases were searched to identify relevant publications: Ovid MEDLINE, Embase, CINAHL Plus, PsycInfo, Scopus, Cochrane Library (including NHS economic evaluations), and NICE clinical guidelines. A supplementary internet search of Google and Google Scholar was undertaken. The search terms protect* AND (mealtime* OR "meal time*") were used for all searches. REVIEW METHODS: Eligible studies were original research where Protected Mealtimes was implemented in hospitals and nutritional intake measured. Studies were selected for inclusion following a systematic process of identification, screening and eligibility assessment. Two authors completed the screening and eligibility assessment, and quality assessment of included studies. The Quality Criteria Checklist for Primary Research was used to evaluate the quality of each study, whilst the overall body of evidence was assessed using the GRADE approach. One author extracted data and ran the meta-analyses, these were verified by a second author. RESULTS: Database and hand searching yielded 150 papers for consideration; the final review library was seven studies where nutritional intake of patients had been evaluated before and after the introduction of Protected Mealtimes. No clinical trials of the intervention were identified. The meta-analyses of energy and protein intake in four observational studies found no effect in favour of Protected Mealtimes implementation. The GRADE of evidence was rated as very low. CONCLUSIONS: Given the small number of observational studies and the quality of evidence on the effect of the intervention on nutritional intake, we conclude that there is insufficient evidence for widespread implementation of Protected Mealtimes in hospitals. More research including clinical trials, with subgroup reporting of patients' nutritional status and estimated energy requirements are needed to further understand the merits of this complex healthcare intervention. PMID- 27866013 TI - A whole genome gene content phylogenetic analysis of anopheline mosquitoes. AB - Construction of stringent gene content matrices was accomplished for 21 Anopheline mosquito species and strains and four outgroups species. The presence absence matrix using e-75 as a cutoff in single linkage clustering had over 17,000 ortholog groups. We used the gene content matrix to generate a phylogenetic hypothesis that is in general agreement with gene sequence based phylogenies. In addition to establishing a congruent gene content phylogeny we examined the consistency of three methods for analyzing presence absence data - unweighted parsimony, dollo parsimonly and maximum likelihood using a BINGAMMA model. An examination of the chromosomal location of the gains and losses in the presence absence matrix revealed a low frequency of gains and losses at centromeres and tips of chromosomes. PMID- 27866012 TI - Differential activation of the frontal pole to high vs low calorie foods: The neural basis of food preference in Anorexia Nervosa? AB - Neuroimaging studies in anorexia nervosa (AN) suggest that altered food reward processing may result from dysfunction in both limbic reward and cortical control centers of the brain. This fMRI study aimed to index the neural correlates of food reward in a subsample of individuals with restrictive AN: twelve currently ill, fourteen recovered individuals and sixteen healthy controls. Participants were shown pictures of high and low-calorie foods and asked to evaluate how much they wanted to eat each one following a four hour fast. Whole-brain task activated analysis was followed by psychophysiological interaction analysis (PPI) of the amygdala and caudate. In the AN group, we observed a differential pattern of activation in the lateral frontal pole: increasing following presentation of high-calorie stimuli and decreasing in during presentation of low-calorie food pictures, the opposite of which was seen in the healthy control (HC) group. In addition, decreased activation to food pictures was observed in somatosensory regions in the AN group. PPI analyses suggested hypo-connectivity in reward pathways, and between the caudate and both somatosensory and visual processing regions in the AN group. No significant between-group differences were observed between the recovered group and the currently ill and healthy controls in the PPI analysis. Taken together, these findings further our understanding of the neural processes which may underpin the avoidance of high-calorie foods in those with AN and might exacerbate the development of compulsive weight-loss behavior, despite emaciation. PMID- 27866014 TI - 3D Multi-segment foot kinematics in children: A developmental study in typically developing boys. AB - BACKGROUND: The relationship between age and 3D rotations objectivized with multisegment foot models has not been quantified until now. The purpose of this study was therefore to investigate the relationship between age and multi-segment foot kinematics in a cross-sectional database. METHODS: Barefoot multi-segment foot kinematics of thirty two typically developing boys, aged 6-20 years, were captured with the Rizzoli Multi-segment Foot Model. One-dimensional statistical parametric mapping linear regression was used to examine the relationship between age and 3D inter-segment rotations of the dominant leg during the full gait cycle. RESULTS: Age was significantly correlated with sagittal plane kinematics of the midfoot and the calcaneus-metatarsus inter-segment angle (p<0.0125). Age was also correlated with the transverse plane kinematics of the calcaneus metatarsus angle (p<0.0001). CONCLUSION: Gait labs should consider age related differences and variability if optimal decision making is pursued. It remains unclear if this is of interest for all foot models, however, the current study highlights that this is of particular relevance for foot models which incorporate a separate midfoot segment. PMID- 27866015 TI - Diversity selection, screening and quantitative structure-activity relationships of osmolyte-like additive effects on the thermal stability of a monoclonal antibody. AB - Solvents used for therapeutic proteins in downstream processing and in formulations often contain stabilizing additives that inhibit denaturation and aggregation. Such additives are mostly selected based on their positive effect on thermal stability of the protein, and are often derived from naturally occuring osmolytes. To better understand the structural basis underlying the effect of additives, we selected a diverse library of compounds comprising 79 compounds of the polyol, amino acid and methylamine chemical classes and determined the effect of each compound on thermal stability of a monoclonal antibody as a function of compound concentration. Thermal stabilization of the antibody was influenced by solution pH. Quantitative structure-activity relationships (QSAR) were derived by partial least squares regression for individual compound classes and globally. The global model suggests that ligands with a phenyl ring will decrease the Tm, while highly soluble, polar compounds with at least two hydrogen bond donors will increase the Tm. This approach may be beneficial for further studies on the influence of other solution conditions like ionic strength and buffer species on additive-mediated protein stabilization. PMID- 27866016 TI - Successful co-encapsulation of benzoyl peroxide and chloramphenicol in liposomes by a novel manufacturing method - dual asymmetric centrifugation. AB - Encapsulation of more than one active pharmaceutical ingredient into nanocarriers such as liposomes is an attractive approach to achieve a synergic drug effect and less complicated dosing schedules in multi-drug treatment regimes. Liposomal drug delivery in acne treatment may improve drug efficiency by targeted delivery to pilosebaceous units, reduce adverse effects and improve patient compliance. We therefore aimed to co-encapsulate benzoyl peroxide (BPO) and chloramphenicol (CAM) into liposomes using the novel liposome processing method - dual asymmetric centrifugation (DAC). Liposomes were formed from soybean lecithin, propylene glycol and distilled water (2:1:2w/v/v ratio), forming a viscous liposome dispersion. Liposomes containing both drugs (BPO-CAM-Lip), single drug (BPO-Lip and CAM-Lip), and empty liposomes were prepared. Drug entrapment of BPO and CAM was determined by a newly developed HPLC method for simultaneous detection and quantification of both drugs. Encapsulation of around 50% for BPO and 60% for CAM respectively was obtained in both single-drug encapsulated formulations (BPO-Lip and CAM-Lip) and co-encapsulated formulations (BPO-CAM-Lip). Liposome sizes were comparable for all liposome formulations, ranging from 130 to 150nm mean diameter, with a polydispersity index <0.2 for all formulations. CAM exhibited a sustained release from all liposomal formulations, whereas BPO appeared retained within the liposomes. BPO retention could be attributed to its poor solubility. However, HaCaT cell toxicity was found dependent on BPO released from the liposomes. In the higher concentration range (4%v/v), liposomal formulations were less cytotoxic than the corresponding drug solutions used as reference. We have demonstrated that DAC is a fast, easy, suitable method for encapsulation of more than one drug within the same liposomes. PMID- 27866018 TI - Intravenous beta-blockers in ST-segment elevation myocardial infarction: A systematic review and meta-analysis. AB - BACKGROUND/OBJECTIVES: The role of intravenous (IV) beta-blockers in conjunction with percutaneous coronary intervention (PCI) for ST-segment elevation myocardial infarction (STEMI) remains unclear. We therefore conducted a meta-analysis to assess their role in the acute phase of STEMI. METHODS: We systematically searched the Cochrane Libraries, Medline, and EMBASE for RCTs comparing IV beta blockers with inactive controls in STEMI patients undergoing PCI. The primary outcome was left ventricular ejection fraction (LVEF). Pooling was performed using DerSimonian and Laird random-effects models. RESULTS: Four RCTs (n=1149) were included in our meta-analysis. All RCTs only enrolled patients with confirmed STEMI with symptoms lasting <6 or <12hours, and presenting in Killip Class 1 or 2. Mean age ranged across trials from 58.5-62.5years. Most patients were male (range: 74.8%-86.3%). Data suggest that IV beta-blockers may improve LVEF at 0-2weeks (weighted mean difference [WMD]: 1.9%; 95% confidence interval [CI]: -0.7%, 4.5%) and 4-6weeks (WMD: 1.4%; 95% CI: -3.1%, 5.9%) post-infarct, reaching statistical significance at 24weeks (WMD: 2.6%; 95% CI: 0.6%, 4.6%). Rates of ventricular arrhythmia (risk ratio [RR]: 0.65; 95% CI: 0.33, 1.29), any arrhythmia (RR: 0.67; 95% CI: 0.36, 1.27), and cardiogenic shock (RR: 0.77; 95% CI: 0.31, 1.95) during index hospitalization were numerically lower with IV beta blockers, but 95% CIs were wide. CONCLUSIONS: In STEMI patients presenting in Killip Class 1 or 2, IV beta-blockers in conjunction with PCI are associated with improved LVEF at 24weeks relative to PCI alone. PMID- 27866019 TI - Dysregulated fatty acid metabolism in coronary ectasia: An extended lipidomic analysis. AB - BACKGROUND: Coronary artery ectasia (CAE) is not an uncommon clinical condition, which could be associated with adverse outcome. The exact pathophysiology of the disease is poorly understood and is commonly interpreted as a variant of atherosclerosis. In this study, we sought to undertake lipidomic profiling of a group of CAE patients in an attempt to achieve better understanding of its disturbed metabolism. METHODS: Untargeted lipid profiling and complementary modelling strategies were employed to compare serum samples from 16 patients with CAE (mean age 63.5+/-10.1years, 6 female) and 26 controls with normal smooth coronary arteries (mean age 59.2+/-6.6years and 7 female). Sample preparation, LC MS analysis and metabolite identification were performed at the Swedish Metabolomics Centre, Umea, Sweden. RESULTS: Phosphatidylcholine levels were significantly distorted in the CAE patients (p=0.001-0.04). Specifically, 16 carbon fatty acyl chain phosphatidylcholines (PC) were detected in lower levels. Similarly, 11 meioties of Sphyngomyelin (SM) species were detected at lower concentrations (p=0.000001-0.01) in the same group. However, only three metabolites were significantly higher in the pure CAE subgroup (6 patients) when compared with the 10 mixed CAE patients (two meioties of SM species and one of PC). Atherosclerosis risk factors were not different between groups. CONCLUSION: This is the first lipid profiling study reported in coronary artery ectasia. While the lower concentration and dysregulation of sphyngomyelin suggests an evidence for premature apoptosis, that of phosphatidylcholines suggests perturbed fatty acid elongation/desaturation, thus may be indicative of non-atherogenic process in CAE. PMID- 27866017 TI - Safety of optical coherence tomography in pediatric heart transplant patients. AB - BACKGROUND: Cardiac allograft vasculopathy (CAV) is a crucial problem after heart transplantation, in adults as well as in children. CAV is the main risk factor for a reduced long-term graft survival. The early diagnosis and treatment of CAV is essential for a successful long-term preservation of the donor heart. However, asymptomatic progression of CAV and concentric hyperplasia of the coronary arteries may complicate the early diagnosis by conventional measures. Intravascular imaging, such as intravascular ultrasound and optical coherence tomography (OCT), enables the diagnosis of early stage CAV. To date, there is little known about OCT in children. We present our single center experience with OCT after pediatric heart transplantation. METHODS: Retrospective analysis of OCT (n=50) after pediatric heart transplantation between June 2013 and March 2016 and comparison between angiographic appearance and OCT. RESULTS: 37 patients underwent optical coherence tomography, nine patients were examined twice and two patients tree times. The youngest patient at time of examination was 4years with a weight of 15kg (mean 50.86kg, range 15 to 88kg). There were no complications, especially no bleeding, no arrhythmias or myocardial ischemic events. Early CAV (Stanford I or II) was detected by OCT in 26 cases. Only in four of these cases, also the coronary angiography showed mild changes. CONCLUSION: OCT is a safe intravascular imaging method that can also be used in children after pediatric heart transplantation up to a minimum weight of 15kg without an increasing risk of a catheterization procedure. PMID- 27866020 TI - Clinical manifestation and surgical treatment analysis of five cases with biatrial myxoma. AB - BACKGROUND: Cardiac myxomas (CMs) are a major primary heart tumor which often causes unexpected symptoms or sudden death. Among CMs, biatrial myxomas are even rare. This study was designed to investigate the clinical characteristics and surgical treatment of 5 cases with biatrial myxoma, to summarize the treatment experience and the effect of short-to-mid-term prognosis. METHODS: Five patients with biatrial myxoma were included in this study. The patients' relative literature, chest X-ray, body-surface electrocardiogram, and ultrasonic cardiogram (UCG) were used to investigate the clinical characteristics. The experience of surgical treatment and perioperative treatment were analyzed. RESULTS: Among the 5 cases, patients had presented discomfort of precordial area and cardiac insufficiency symptoms such as dyspnea and chest discomfort. There were characteristic changes on echocardiography (ECG). All patients accepted resection of both tumor and its basement tissue. Their symptoms were all improved after surgery, no deaths occurred. CONCLUSION: In conjunction with clinical features, diagnostic clue and echocardiography, the detectable rate of biatrial myxoma could be significantly improved. Early diagnosis showed good effect on prognosis. PMID- 27866021 TI - Early pulmonary arterial hypertension immediately after closure of a ventricular or complete atrioventricular septal defect beyond 6months of age. AB - BACKGROUND: Pulmonary arterial hypertension (PAH) is virtually absent after closure of ventricular septal defect (VSD) in the first six months of life. However the prevalence of PAH in patients, who underwent VSD closure later, is not clear. The aim of this study was to analyse the prevalence of PAH after a successful VSD closure after the age of 6months and whether there are risk factors for developing PAH. METHODS: Echocardiographic and right heart catheter data of patients with VSD or complete atrioventricular septal defect, who underwent VSD closure after the age of 6months in our institution between 01/2005 and 06/2014, were retrospectively analyzed. PAH was defined as mean pulmonary arterial pressure (mPAP) of >=25mmHg or tricuspid regurgitation jet velocity of >=3.5m/s. RESULTS: In 228 patients (median age at shunt closure 4.0years, range 0.5-69) and 174 complete follow-up data (median follow-up 3.7years, range 0.5 39.4), 9 patients needed pulmonary vasodilator therapy after shunt closure, 4 of them temporarily for up to 79months. Three patients are still on vasodilator treatment 1, 2.6 and 6years after surgery, other two were lost to follow-up. Another 6 patients with preoperatively borderline hemodynamics due to elevated mPAP and pulmonary vascular resistance, recovered well without signs of postoperative PAH. CONCLUSION: With the current practice for safe late VSD closure, PAH is very rare at least in the first years of follow-up. In most patients with perioperative PAH, this condition appears to be transient and shows good response on pulmonary vasodilator treatment. PMID- 27866023 TI - Direct and adjusted indirect comparisons of perioperative mortality after sutureless or rapid-deployment aortic valve replacement versus transcatheter aortic valve implantation. AB - OBJECTIVES: To determine which procedure, aortic valve replacement (AVR) with a sutureless or rapid-deployment prosthesis (SL-AVR) or transcatheter aortic valve implantation (TAVI), achieves better perioperative survival for severe aortic stenosis (AS), we conducted direct-comparison meta-analyses (DC-MAs) and an adjusted indirect-comparison meta-analysis (IDC-MA). METHODS: We searched MEDLINE, EMBASE, and the Cochrane Central Register of Controlled Trials through April 2016. Eligible studies were randomized controlled trials (RCTs) and propensity-score matched (PSM) studies. We performed a DC-MA-[A] of SL-AVR versus TAVI, a DC-MA-[B] of SL-AVR versus conventional AVR (C-AVR), and a DC-MA-[C] TAVI versus C-AVR. Then, we computed a IDC-MA-[A'] of TAVI versus SL-AVR from the results of the DC-MA-[B] and the DC-MA-[C]. RESULTS: We identified 6 RCTs and 30 PSM studies enrolling a total of 15,887 patients. The 3 DC-MAs demonstrated significantly lower perioperative (30-day or in-hospital) all-cause mortality after SL-AVR than after TAVI (odds ratio [OR], 0.48; 95% confidence interval [CI], 0.28 to 0.80; p=0.005) and no significant differences between SL-AVR and C AVR (OR, 1.07; 95% CI, 0.60 to 1.94; p=0.81) and between TAVI and C-AVR (1.07; 95% CI, 0.90 to 1.27; p=0.45). The computed IDC-MA-[A'] indicated no significant difference in mortality between SL-AVR and TAVI (1.01; 95% CI, 0.54 to 1.86). Combining the results of the DC-MA-[A] and IDC-MA [A'] showed significantly lower mortality after SL-AVR than after TAVI (OR, 0.65; 95% CI, 0.44 to 0.97; p=0.03). CONCLUSIONS: For patients with severe AS, SL-AVR may achieve better perioperative survival than TAVI. PMID- 27866022 TI - Novel approaches toward the generation of bioscaffolds as a potential therapy in cardiovascular tissue engineering. AB - Cardiovascular disease associated with myocardial infarction (MI) is among the leading causes of mortality worldwide, in part, due to the limited regenerative capacity of tissues. Although various approaches have been employed to generate bioartificial myocardial tissues, including surgical reconstruction and the use of biosynthetic or biological cell-free grafts, many challenges still remain. Natural biomaterials based on decellularization have made significant inroads into the development of favorable biomatrices for myocardial tissue regeneration. This process occurs with the concept of removing whole cellular contents, while preserving the extracellular matrix components and all the necessary features of native tissues. Furthermore, acellular-derived matrices serve to stimulate proliferation and recruitment of endothelial cells by providing proliferation signals to cells. This review highlights a novel approach to generate natural three dimensional myocardial scaffolds for clinical applications. PMID- 27866024 TI - Comparison of prognostic significance of mean platelet volume/platelet count with GRACE for long-term prognosis in patients with non-ST-segment elevation myocardial infarction undergoing percutaneous coronary intervention. AB - BACKGROUND: Mean platelet volume to platelet count ratio (MPV/P ratio) has been demonstrated to be a predictor of adverse outcome in patients with non-ST-segment elevation myocardial infarction (NSTEMI). We aimed to assess whether MPV/P ratio is a useful marker to predict long-term prognosis in NSTEMI patients undergoing PCI. Moreover, the prognostic accuracy of MPV/P ratio was compared with MPV and GRACE score. METHODS: In a retrospective cohort study, according to the baseline MPV/P values, 887 consecutive NSTEMI patients undergoing PCI were divided into two groups: the high MPV/P group (n=296, MPV/P >=0.054) and the low MPV/P group (n=591, MPV/P<0.054). Clinical endpoints were all-cause mortality and all-cause mortality/nonfatal reinfarction. RESULTS: Multivariate analysis showed that high MPV/P was an independent predictor of all-cause mortality [HRs: 1.973, 95% CI: 1.528-2.549, P<0.001], and all-cause mortality/nonfatal myocardial reinfarction [HRs: 1.289, 95% CI: 1.181-1.408, P<0.001]. MPV/P ratio has good accuracy for predicting clinical endpoints. The discriminatory performance of MPV/P ratio was similar to GRACE score but better than MPV (for all-cause mortality: MPV/P vs. GRACE: z=0.205, p=0.837; MPV/P vs. MPV: z=2.677, p=0.008; GRACE vs. MPV: z=3.017, p=0.003; for all-cause mortality/nonfatal myocardial: MPV/P vs. GRACE: z=1.098, p=0.272; MPV/P vs. MPV: z=4.026, p<0.001; GRACE vs. MPV: z=4.962, p<0.001). CONCLUSIONS: MPV/P ratio was similar to GRACE score but better than MPV for predicting all-cause mortality and all-cause mortality/nonfatal myocardial reinfarction in NSTEMI patients undergoing PCI. However, MPV/P ratio is easier to calculate than GRACE score. PMID- 27866025 TI - The adverse impact of obesity on heart rate variability is modified by a NFE2L2 gene variant: The SAPALDIA cohort. AB - BACKGROUND: Overweight has been associated with an increase in inflammatory markers and with an imbalance in the autonomic nervous system, such as a decrease in heart rate variability (HRV). In this study we aimed to investigate the modifying effect of a genetic variation in a major anti-inflammatory marker gene, NFE2L2, on the relationship between overweight and HRV. METHODS: We analyzed participants of the SAPALDIA cohort aged 50years and older, twice in 2002/2003 (N=1472) and 2010/2011 (N=1235). We included persons with valid genotype data, who underwent ambulatory 24-h electrocardiogram monitoring, and reported on medical history and lifestyle. The association between HRV and BMI, measured as standard deviation of normal-to-normal intervals (SDNN) by BMI and the modifying effect of the cardiovascular health-related NFE2L2 gene variant rs2364723 were tested, applying multivariable mixed linear regression models. RESULTS: We found study participants with overweight (BMI>25) over two follow-up surveys 10years apart to have a negative association between SDNN, calculated as geometric means, with BMI. The examined NFE2L2 variant sustainably modified (pinteraction=0.014) the found inverse association between a BMI increment and SDNN, causing a stronger decrement in SDNN for participants with the CC genotype (-20.7%; 95% confidence interval: -12.33 to -28.28) compared with participants carrying the GC (-7.43; 95%CI: -3.56 to -11.15) or GG (-11.26%; 95%CI: -7.68 to -14.7) genotype, estimated for the difference from the 90th to the 10th percentile of BMI by the NFE2L2 variant. CONCLUSIONS: Our results are consistent with the hypothesis that overweight decreases heart rate variability through inflammatory processes. PMID- 27866026 TI - Survival and cardiovascular events after coarctation-repair in long-term follow up (COAFU): Predictive value of clinical variables. AB - OBJECTIVE: Long-term sequelae and events after coarctation repair are well described. However, the predictive value of variables from clinical follow-up investigation for late events and survival has rarely been investigated. METHODS: All patients who participated in the prospective cross-sectional COALA Study in 2000 with a structural clinical investigation including blood pressure measurement and symptom-limited exercise test were contacted for reevaluation of survival, current clinical status and major cardiovascular events. RESULTS: Of 273 eligible patients, 209 were available for follow-up. Nine patients had died at a median age of 46years (range 30-64years), five of them due to cardiovascular complications. Late mortality after surgical intervention was 5.7% with a median age of 41years (range 16-64years). Twenty-five patients had a major cardiovascular event: 12 had procedures at the aortic valve or aortic arch, 8 had procedures for restenosis, 2 had endocarditis, 2 had a cerebrovascular insult and 1 an aortic dissection. The presence of bicuspid aortic valve (p=0.009), brachial ankle blood pressure gradient >20mmHg (p<0.001) and reduced left ventricular function (p=0.002) correlated with major cardiovascular events. CONCLUSION: Surgical correction of coarctation of the aorta shows fairly low mortality in the long-term follow-up. Late morbidities include recoarctation, but also the consequences of the hemodynamics produced by a congenital bicuspid aortic valve, presence of which is predictive for aortic valve procedures: however the predictive value of clinical variables is limited. PMID- 27866027 TI - Cardiovascular outcomes with sodium-glucose cotransporter-2 inhibitors in patients with type II diabetes mellitus: A meta-analysis of placebo-controlled randomized trials. AB - BACKGROUND: The impact of sodium-glucose cotransporter-2 (SGLT-2) inhibitors on cardiovascular outcomes in patients with type II diabetes mellitus (DM) is not well established. METHODS: We searched electronic databases from inception through July 2016 for randomized, placebo-controlled trials, involving SGLT-2 inhibitors. Fixed-effects summary odds ratios (OR) were constructed using Peto model. RESULTS: Eighty-one trials with a total of 37,195 patients were included. The mean follow-up was 89weeks. Compared with placebo, SGLT-2 inhibitors were associated with a lower risk of all-cause mortality (OR 0.72; 95% CI 0.59-0.86; P<0.001), cardiovascular mortality (OR 0.67; 95% CI 0.53-0.84; P=0.001), and heart failure (OR 0.67; 95% CI 0.51-0.87; P=0.003), but a similar risk of myocardial infarction (OR 0.89; 95% CI 0.74-1.09; P=0.29) and stroke/transient ischemic attack (OR 1.09; 95% CI 0.87-1.37; P=0.47). The reduction in all-cause mortality was noticed with empagliflozin (OR 0.66; 95% CI 0.54-0.81; P<0.001), but not with other SGLT-2 inhibitors (ORdapagliflozin 1.37; 95% CI 0.71-2.62; P=0.35; ORcanagliflozin 0.82; 95% CI 0.41-1.68; P=0.59; ORluseogliflozin 4.6; 95% CI 0.07-284.25; P=0.47; and ORipragliflozin 4.73; 95% CI 0.08-283.14; P=0.46) (Pinteraction=0.19). Potential harm was observed with dapagliflozin on cardiovascular mortality (OR 2.15, 95% CI 0.92-5.04, P=0.08). CONCLUSIONS: In patients with type II DM, SGLT-2 inhibitors appeared to reduce both all-cause and cardiovascular mortality, primarily due to reduction in the risk of heart failure. The benefit was only seen with empagliflozin. There was suggestion of potential harm with dapagliflozin, thus future trials are needed to ascertain the cardiovascular safety of other agents in this class. PMID- 27866028 TI - Lifetime competing risks between coronary heart disease mortality and other causes of death during 50years of follow-up. AB - OBJECTIVES: To study coronary heart disease (CHD) death versus 11 other causes of death using the cumulative incidence function (CIF) and the competing risks procedures to disentangle the differential role of risk factors for different end points. MATERIAL AND METHODS: Standard Cox and Fine-Gray models among 1712 middle aged men were compared during 50years of follow-up. CHD death was the primary event, while deaths from 11 selected causes, mutually exclusive from the primary end-point, were considered as secondary events. Reverse solutions were also performed. We considered 10 selected risk factors. RESULTS: CHD death risk was the second highest among 12 mostly specific causes of death. Some risk factors were specific: serum cholesterol for CHD death whereas, systolic blood pressure, cigarette smoking and age may have a differential role in other causes of death. Application of the Fine-Gray model based on CIF enabled to dissect, at least in part, the respective role that baseline covariates may have to segregate the probabilities of two types of death in contrast from each other. They also point to the absence of contributing significance for some of the selected risk factors and this calls for a parsimonious approach in predictions. CONCLUSIONS: The relative rarity of competing risk challenges when defining the risk factors role at long-term needs now be corrected since we have clearly shown, with Fine-Gray model, at direct or reverse use, that comparing different end-points heavily influences the risk factor predictive capacity. PMID- 27866029 TI - Understanding the structural features of symptomatic calcific aortic valve stenosis: A broad-spectrum clinico-pathologic study in 236 consecutive surgical cases. AB - BACKGROUND: With age, aortic valve cusps undergo varying degrees of sclerosis which, sometimes, can progress to calcific aortic valve stenosis (AVS). To perform a retrospective clinico-pathologic investigation in patients with calcific AVS. METHODS: We characterized and graded the structural remodeling in 236 aortic valves (200 tricuspid and 36 bicuspid) from patients with calcific AVS (148 males; average 72years); possible relationships between general/clinical/echocardiographic characteristics and the histopathologic changes were explored. Twenty autopsy aortic valves served as controls. In 40 cases, we also tested the immunohistochemical expression of metalloproteinases and cytokines, and characterized the inflammatory infiltrate. In 5 cases, we cultured cusp stem cells and explored their potential to differentiate into osteoblasts/adipocytes. RESULTS: AVS cusps showed structural remodeling as severe fibrosis (100%), calcific nodules (100%), neoangiogenesis (81%), inflammation (71%), bone metaplasia with or without hematopoiesis (6% and 53%, respectively), adipose metaplasia (16%), and cartilaginous metaplasia (7%). At multivariate analysis, AVS degree and interventricular septum thickness were the only predictors of remodeling (barring inflammation). All the tested metalloproteinases (except MMP-13) and cytokines were expressed in AVS cusps. Inflammation mainly consisted of B and T lymphocytes (CD4+/CD8+ cell ratio 3:1) and plasma cells. AVS changes were mostly different from typical atherosclerosis. Cultured mesenchymal cusp stem cells could differentiate into osteoblasts/adipocytes. CONCLUSIONS: Structural remodeling in AVS is peculiar and considerable, and is related to the severity of the disease. However, the different newly formed tissues-where "valvular interstitial cells" play a key role-and their well-known slow turnover suggest a reverse structural remodeling improbable. PMID- 27866030 TI - Diagnostic accuracy of CT for the detection of left ventricular myocardial fibrosis in various myocardial diseases. AB - PURPOSE: To evaluate the diagnostic accuracy of computed tomography (CT) for the detection of myocardial fibrosis, we compared the frequency of abnormal late enhancement (LE) in left ventricular myocardium (LVM) on CT with that on gadolinium-enhanced cardiac magnetic resonance (CMR) in patients with various myocardial diseases. METHODS: Fifty-six patients with suspected various myocardial diseases (19 with hypertrophic cardiomyopathy, 3 with cardiac amyloidosis, 3 with post myocarditis, 2 with dilated cardiomyopathy, 2 with cardiac sarcoidosis, 2 with cardiac tumor, 2 with previous myocardial infarction, 2 with hypertensive heart disease) underwent 1.5-T CMR and cardiac CT within 2months without clinical accidents. RESULTS: LE on LVM was detected in 31 and 31 patients on CT and CMR, respectively, and in 192 and 197 LVM segments on CT and CMR, respectively, among a total of 952 LVM segments. The sensitivity, specificity, positive and negative predictive values, and consistency for detection of LE on CT in comparison with CMR were 90, 89, 90, 89 and 89%, respectively, on patient-based analysis, and 67, 92, 68, 91 and 87%, respectively, on segment-based analysis. Inter-observer agreement for detection of LE on CT was 0.71 (kappa coefficient), and it was significantly lower than that on CMR (0.82) on segment-based analysis (P<0.05). CONCLUSIONS: Compared with CMR, diagnostic accuracy of CT for the evaluation of LE in LVM in patients with myocardial diseases was relatively higher on patient-based analysis, but was limited on segment-based analysis, and the inter-observer agreement on CT was significantly lower than that on CMR. PMID- 27866031 TI - Aortopathy in adults with tetralogy of Fallot has a negative impact on the left ventricle. AB - BACKGROUND: Aortic pressure wave reflection is significantly elevated in patients with congenital heart disease, even in children. Excessive aortic pressure wave reflection provokes cardiovascular events. AIM: To assess the influences of the enhanced pressure wave reflection on the left ventricle (LV) in adults with repaired tetralogy of Fallot (TOF). METHODS: Prospectively, 51 consecutive adults with repaired TOF (35.5+/-11.6yrs., 25 males) were enrolled and non-invasively assessed the pressure wave reflection using HEM 9000AI. A surrogate maker of the aortic pressure wave reflection, radial augmentation index (rAI) was calculated as reflection wave divided by ejection wave. We also evaluated LV function using echocardiography and magnetic resonance images. Patients were divided into two groups: group A with rAI?1SD and group B with rAI<1SD. RESULTS: The mean rAI in repaired TOF was 76.9+/-14.3%. In group A, indexed ascending aortic diameter, LV global longitudinal strain (GLS), LV global circumferential strain (GCS), LV early diastolic strain rate (SR), LV E/A, LV e' were significantly higher than them in group B. The indexed ascending aortic diameter significantly correlated with rAI (r=0.31, P<0.05). On univariate logistic analysis, body surface area, indexed ascending aortic diameter, GLS, GCS, early diastolic SR, LV E/A, LV mass index and creatinine were predictive factors of rAI?1SD. On multivariate logistic analysis, LV E/A was the most significant predictive factor of rAI?1SD (Odds ratio 0.044, 95%CI 0.002-0.98 and P<0.05). CONCLUSIONS: Aortic pressure wave reflection in adults with repaired TOF has a negative impact on LV function, particularly on diastolic function. PMID- 27866032 TI - Prediction of peak oxygen uptake in patients with Chagas heart disease: Value of the Six-minute Walk Test. PMID- 27866033 TI - Bone scintigraphy for the diagnosis of the responsible level of osteoporotic vertebral compression fractures in percutaneous balloon kyphoplasty. AB - OBJECTIVES: This study was to investigate the efficacy of bone scintigraphy in order to diagnose the correct level of vertebral compression fractures (VCF) for the severe back pain before balloon kyphoplasty (BKP) was performed. PATIENTS AND METHODS: A total of 30 consecutive patients were treated with BKP for 38 times since May 2012. Eleven patients had acute multi-level VCFs. Bone scintigraphy was performed preoperatively except for the first case and the case with a chronic course and the level responsible for the pain was defined with bone scintigraphy. The responsible level of acute single level VCF was easily diagnosed with T1, T2, and fat sat T2 but the responsible level of acute multi-level VCFs was not easily determined. BKP was performed at the most accumulated level on bone scintigraphy and the preoperative and postoperative Visual analogue score (VAS) scores were researched with questionnaire postoperatively. RESULTS: BKP was effective in relief of pain at the most accumulated level on bone scintigraphy. Preoperative VAS score (average 8.6) was significantly improved at post-ope day1 (average 3.9), at discharge (average 2.4) and at 1 month after discharge (average 2.1). New symptomatic VCFs after the first treatment occurred in 5 patients at an adjacent level in 3 and twice in 2 of 5 and additional BKP was effective in each patient. CONCLUSIONS: The correct level of symptomatic VCF in the patients with acute multi-level VCFs should be diagnosed to achieve good clinical results. In this study, we showed that bone scintigraphy is very useful in diagnosing the proper level for BKP in addition to CT and MRI. PMID- 27866035 TI - A unique presentation of ectopic thyroid, a case report. AB - INTRODUCTION: This case presents a painful ectopic thyroid, an unusual presentation, in an atypical location. The patient's history of an ingested fish bone, her acute presentation, and inconclusive imaging, made this case a diagnostic dilemma. PRESENTATION OF CASE: 61-year-old female presented with acutely worsening history of left throat pain and dysphagia after swallowing a fish bone. CT scan showed a foreign body in the anterior wall of the cervical esophagus. EGD studies were inconclusive. Surgical exploration identified and excised a multinodular cystic lesion without connection to esophageal lumen. Pathology described multinodular thyroid parenchyma with chronic inflammation and no evidence of malignancy. No foreign body was located. DISCUSSION: Based on the patient's history, imaging, and acute presentation, an esophageal perforation with abscess formation was the most likely diagnosis. Surgical exploration was the necessary intervention for this patient's acute symptoms as both a diagnostic and therapeutic tool. The diagnosis of ectopic thyroid tissue from pathology of the excised cystic lesion was unexpected, as the location of tissue and the painful presentation are not typical characteristics of ectopic thyroid tissue. Management of the this case illustrates the dilemma faced in determining the appropriate work up for a patient, without compromising the patient's safety. CONCLUSION: Though painful presentation and this case's location are rare, ectopic thyroid tissue should be included in the differential diagnosis of point tenderness with an associated lesion on imaging. PMID- 27866034 TI - Micro vs. macrodiscectomy: Does use of the microscope reduce complication rates? AB - OBJECTIVE: A single level discectomy is one of the most common procedures performed by spine surgeons. While some practitioners utilize the microscope, others do not. We postulate improved visualization with an intraoperative microscope decreases complications and inferior outcomes. METHODS: A multicenter surgical registry was utilized for this retrospective cohort analysis. Patients with degenerative spinal diagnoses undergoing elective single level discectomies from 2010 to 2014 were included. Univariate analysis was performed comparing demographics, patient characteristics, operative data, and outcomes for discectomies performed with and without a microscope. Multivariable logistic regression analysis was then applied to compare outcomes of micro- and macrodiscectomies. RESULTS: Query of the registry yielded 23,583 patients meeting inclusion criteria. On univariate analysis the microscope was used in a greater proportion of the oldest age group as well as Hispanic white patients. Patients with any functional dependency, history of congestive heart failure, chronic corticosteroid use, or anemia (hematocrit<35%) also had greater proportions of microdiscectomies. Thoracic region discectomies more frequently involved use of the microscope than cervical or lumbar discectomies (25.0% vs. 16.4% and 13.0%, respectively, p<0.001). Median operative time (IQR) was increased in microscope cases [80min (60, 108) vs. 74min (54, 102), p<0.001]. Of the patients that required reoperation within 30days, 2.5% of them had undergone a microdiscectomy compared to 1.9% who had undergone a macrodiscectomy, p=0.044. On multivariable analysis, microdiscectomies were more likely to have an operative time in the top quartile of discectomy operative times, >=103min (OR 1.256, 95% CI 1.151-1.371, p<0.001). In regards to other multivariable outcome models for any complication, surgical site infection, dural tears, reoperation, and readmission, no significant association with microdiscectomy was found. CONCLUSIONS: The use of the microscope was found to significantly increase the odds of longer operative time, but not influence rates of postoperative complications. Thus, without evidence from this study that the microscope decreases complications, the use of the microscope should be at the surgeon's discretion, validating the use of both macro and micro approaches to discectomy as acceptable standards of care. PMID- 27866036 TI - Idiopathic chylous ascites simulating acute appendicitis: A case report and literature review. PMID- 27866037 TI - Preoperative preparation of a patient with grade II leg Lymphedema for his third hip replacement surgery. AB - INTRODUCTION: The treatment of lymphedema remains a challenge to modern medicine, due to the characteristics of the disease. CASE PRESENTATION: Report on the case of a 75-year-old patient with lower limb lymphedema for treatment prior to surgery. At age 45, he made the first hip replacement surgery in the left leg. One year later he performed the same surgery on the right leg. At that time his legs had slight ankle edema mainly of the left leg and the entire left leg was affected by lymphedema. At 68 years old the patient returned to the surgeon, who indicated a third surgery to replace the left hip prosthesis. The patient was evaluated by bioimpedance, which measured the volumes of right and left legs at 5.52 and 7.24l, respectively. Five days of intensive treatment were proposed using Mechanical Lymphatic Therapy (RAGodoy(r)), Manual Lymphatic Therapy and compression therapy with a grosgrain stocking for 24h per day. On the fifth day, there was significant improvement in the volume (right leg 4.45l and left leg 5.57l). DISCUSSION: In this case report intensive treatment was used to reduce the volume of leg edema prior to a surgery to replace a hip prosthesis in a patient with grade II leg lymphedema. Small positive and negative changes, which are common in the evolution of this type of case but the end result was a total reduction of the edema. CONCLUSION: The patient underwent surgery to replace the prosthesis after total reduction of edema. PMID- 27866038 TI - Separating content-specific retrieval from post-retrieval processing. AB - According to cortical reinstatement accounts, neural processes engaged at the time of encoding are re-engaged at the time of memory retrieval. The temporal precision of event-related potentials (ERPs) has been exploited to assess this possibility, and in this study ERPs were acquired while people made memory judgments to visually presented words encoded in two different ways. There were reliable differences between the scalp distributions of the signatures of successful retrieval of different contents from 300 to 1100 ms after stimulus presentation. Moreover, the scalp distributions of these content-sensitive effects changed during this period. These findings are, to our knowledge, the first demonstration in one study that ERPs reflect content-specific processing in two separable ways: first, via reinstatement, and second, via downstream processes that operate on recovered information in the service of memory judgments. PMID- 27866039 TI - Sleep EEG maps the functional neuroanatomy of executive processes in adolescents born very preterm. AB - Executive function deficits are among the most frequent sequela of very preterm birth but the underlying neuronal mechanisms are not fully understood. We used high-density electroencephalography (EEG) recordings during sleep to assess alterations in the functional neuroanatomy of executive processes in adolescents born very preterm. The topographical distribution of sleep slow wave activity (SWA; 1-4.5 Hz EEG power) has previously been used to map cognitive abilities and is known to reflect the intensity of the prior use of the respective neuronal networks. We assessed 38 adolescents born before 32 weeks of gestation [age at assessment: 12.9 (SD: 1.7), range: 10.6-16.7 years] and 43 term-born peers [13.1 (2.0), 10.0-16.9]. Executive function abilities were quantified with a composite score derived from a comprehensive task battery. All-night high-density EEG (128 electrodes) was recorded and SWA of the first hour of sleep was calculated. Abilities were significantly poorer in the very preterm compared to the term group, particularly, if the tasks demands were high (p < .01). The score was positively correlated with sleep SWA in a cluster of 15 electrodes over frontal and negatively in a cluster of 14 electrodes over central brain regions after controlling for age at assessment and correcting for multiple comparisons. Within the frontal cluster, sleep SWA was higher in very preterm compared to term-born participants when controlling for executive function performance and age at assessment (p = .02). No difference in SWA between very preterm and term-born participants was found for the central cluster (p = .29). Our results demonstrate a local increase of sleep SWA over brain regions associated with executive processes in adolescents born very preterm compared to similarly performing term born peers. Thus, sleep SWA seems to map the higher effort needed for executive function tasks in adolescents born very preterm. PMID- 27866040 TI - In vitro fermentation of different fructo-oligosaccharides by Bifidobacterium strains for the selection of synbiotic combinations. AB - The use of selected probiotics, prebiotics and/or synbiotics, constitute an interesting dietary strategy for intestinal microbiota modulation in case of dysbiosis. Species of the genus Bifidobacterium are among the most currently used probiotics for human consumption since they have shown beneficial effects in the prevention and treatment of some disorders. Bifidobacteria are saccharolytic microorganisms, but their ability to use different carbohydrates varies among strains. In this study, we investigate the utilization of three prebiotic substrates (two different short-chain fructo-oligosaccharides [scFOS] and inulin) by strains of Bifidobacterium, in order to determine the synbiotic potential of the different probiotic/prebiotic combinations. Batch culture fermentations from six Bifidobacterium strains (Bifidobacterium longum IPLA20021, B. longum IPLA20022, Bifidobacterium animalis IPLA20031, B. animalis IPLA20032, B. animalis IPLA20020 and B. animalis Bb12) were carried out in the presence of inulin or scFOS (Synergy or Actilight), or glucose, as carbon source. Bifidobacteria levels were quantified by plate counting. The pH and production of organic acids in the different batch-culture fermentations were also determined. Our results showed that all the studied strains of B. animalis and B. longum were able to utilize scFOS but not inulin. The use of scFOS as carbon source affected the pattern of metabolite's production, when compared with cultures carried out in glucose, particularly in the case of B. longum. The results indicated that the scFOS are well suited to be used in combination with B. animalis or B. longum strains for the development of synbiotic foods or food supplements. PMID- 27866043 TI - Sensory processing disorders in children with cerebral palsy. AB - OBJECTIVE: To evaluate sensory processing in children with CP using the Sensory Profile questionnaire and to compare results with the ones of children with typical development (TD). METHODS: We assessed sensory processing of 59 TD children and 43 CP children using the Sensory Profile, a standardized parent reporting measure that records children's responses to sensory events in daily life. Mann-Whitney test was used to compare the results of sensory processing evaluation among the groups. Bonferroni correction was applied. RESULTS: We found differences in sensory processing between groups in 16 out of the 23 categories evaluated in the Sensory Profile. CONCLUSION: Our results pointed out to the existence of disturbances in the processing of sensory information in CP. Based on the importance of the sensory integration process for motor function, the presence of such important disturbances draw the attention to the implementation of sensory therapies which improve function in these children. PMID- 27866041 TI - Study of the bacterial diversity of foods: PCR-DGGE versus LH-PCR. AB - The present study compared two culture-independent methods, polymerase chain reaction denaturing gradient gel electrophoresis (PCR-DGGE) and length heterogeneity polymerase chain reaction (LH-PCR), for their ability to reveal food bacterial microbiota. Total microbial DNA and RNA were extracted directly from fourteen fermented and unfermented foods, and domain A of the variable regions V1 and V2 of the 16S rRNA gene was analyzed through LH-PCR and PCR-DGGE. Finally, the outline of these analyses was compared with bacterial viable counts obtained after bacterial growth on suitable selective media. For the majority of the samples, RNA-based PCR-DGGE revealed species that the DNA-based PCR-DGGE was not able to highlight. When analyzing either DNA or RNA, LH-PCR identified several lactic acid bacteria (LAB) and coagulase negative cocci (CCN) species that were not identified by PCR-DGGE. This phenomenon was particularly evident in food samples with viable loads<5.0 Logcfug-1. Furthermore, LH-PCR was able to detect a higher number of peaks in the analyzed food matrices relative to species identified by PCR-DGGE. In light of these findings, it may be suggested that LH PCR shows greater sensitivity than PCR-DGGE. However, PCR-DGGE detected some other species (LAB included) that were not detected by LH-PCR. Therefore, certain LH-PCR peaks not attributed to known species within the LH-PCR database could be solved by comparing them with species identified by PCR-DGGE. Overall, this study also showed that LH-PCR is a promising method for use in the food microbiology field, indicating the necessity to expand the LH-PCR database, which is based, up to now, mainly on LAB isolates from dairy products. PMID- 27866046 TI - Changes in depression among older adults in China: A latent transition analysis. AB - BACKGROUND: Depression in late life is an important public health problem in developing countries. It is timely to investigate stability and transition patterns of depressive symptom subtypes. METHODS: Longitudinal data were used from the China Health and Retirement Longitudinal Study (CHARLS). A total of 853 women and 930 men aged 60-96 years were recruited. Latent class and latent transition analysis (LCA/LTA) were used to identify meaningful subgroups, transitions between those classes across time, and baseline demographic features that help to predict and design tailored interventions. RESULTS: Three depression subgroups were identified: Class 1 was labeled "Mild Depression"; Class 2 was labeled "Severe Depression" and class 3 was labeled "Lack of Positive Affect". A predominant tendency for stability appeared rather than change, meanwhile individual in Mild Depression and Severe Depression latent status both had a high probability to convert to the Lack of Positive Affect latent status. Social activities played a significant role in buffering the effect of depression, while individuals with chronic diseases, having difficulty with ADLs and smoking might be at-risk groups. LIMITATIONS: The limitations of the present study were inherent limitation in the LTA model and some small proportion of transitions. CONCLUSIONS: This study demonstrated a transition pattern in older adult depression within a person-centered approach. Differential treatment effects were found across baseline depression class, suggesting the benefit for tailored intervention programs to improve depression outcomes among older adults. PMID- 27866044 TI - Alternative splicing of SMPD1 coding for acid sphingomyelinase in major depression. AB - BACKGROUND: Major depressive disorder (MDD) is a psychiatric disorder characterized by key symptoms that include depressed mood and a loss of interest and pleasure. A recently developed pathogenic model of MDD involves disturbed neurogenesis in the hippocampus, where the acid sphingomyelinase (ASM)/ceramide system plays an important role and is proposed as a molecular target for antidepressant action. Because alternative splicing of SMPD1 mRNA, coding for ASM, is relevant for the regulation of ASM enzymatic activity, we investigated the frequency of alternatively spliced ASM isoforms in peripheral blood cells of MDD patients versus healthy controls. METHODS: Because the full-length transcript variant 1 of SMPD1 (termed ASM-1) is the only known form within the splicing pattern that encodes an enzymatically fully active ASM, we determined a fraction of splice isoforms deviating from ASM-1 using PCR amplification and capillary electrophoresis with laser-induced fluorescence analysis. RESULTS: ASM alternative splicing events occurred significantly less frequently in MDD patients compared to healthy subjects. After 5 days of antidepressant treatment, the frequency of alternatively spliced ASM isoforms decreased in those patients who were treated with a functional inhibitor of ASM activity (FIASMA) but remained constant in MDD patients treated with other antidepressant drugs. This effect was more pronounced when healthy male volunteers were treated with the FIASMAs fluoxetine or paroxetine, in contrast to a placebo group. LIMITATIONS: Patients were treated with different antidepressant drugs, depending on individual parameters and disease courses. CONCLUSIONS: This study shows that the ASM alternative splicing pattern could be a biological target with diagnostic relevance and could serve as a novel biomarker for MDD. PMID- 27866042 TI - Carcinogenic effects of oil dispersants: A KEGG pathway-based RNA-seq study of human airway epithelial cells. AB - The health impacts of the BP oil spill are yet to be further revealed as the toxicological effects of oil products and dispersants on human respiratory system may be latent and complex, and hence difficult to study and follow up. Here we performed RNA-seq analyses of a system of human airway epithelial cells treated with the BP crude oil and/or dispersants Corexit 9500 and Corexit 9527 that were used to help break up the oil spill. Based on the RNA-seq data, we then systemically analyzed the transcriptomic perturbations of the cells at the KEGG pathway level using two pathway-based analysis tools, GAGE (generally applicable gene set enrichment) and GSNCA (Gene Sets Net Correlations Analysis). Our results suggested a pattern of change towards carcinogenesis for the treated cells marked by upregulation of ribosomal biosynthesis (hsa03008) (p=1.97E-13), protein processing (hsa04141) (p=4.09E-7), Wnt signaling (hsa04310) (p=6.76E-3), neurotrophin signaling (hsa04722) (p=7.73E-3) and insulin signaling (hsa04910) (p=1.16E-2) pathways under the dispersant Corexit 9527 treatment, as identified by GAGE analysis. Furthermore, through GSNCA analysis, we identified gene co expression changes for several KEGG cancer pathways, including small cell lung cancer pathway (hsa05222, p=9.99E-5), under various treatments of oil/dispersant, especially the mixture of oil and Corexit 9527. Overall, our results suggested carcinogenic effects of dispersants (in particular Corexit 9527) and their mixtures with the BP crude oil, and provided further support for more stringent safety precautions and regulations for operations involving long-term respiratory exposure to oil and dispersants. PMID- 27866045 TI - Corrigendum to "Prevalence and correlates of major depressive disorder and dysthymia in an eleven-year follow-up - Results from the Finnish Health 2011 Survey" [J. Affect. Disord. 173 (2015) 73-80]. PMID- 27866047 TI - Erratum to "GATA-4 regulation of myocardial survival in the preconditioned heart" [J. Mol. Cell. Cardiol. 37(6) (2004 Dec) 1195-1203]. PMID- 27866048 TI - 7p22.1 microduplication syndrome: Refinement of the critical region. AB - 7p22.1 microduplication syndrome is mainly characterized by developmental and speech delay, craniofacial dysmorphisms and skeletal abnormalities. The minimal critical region includes two OMIM genes: ACTB and RNF216. Here, we report on a girl carrying the smallest 7p22.1 microduplication detected to date, contributing to the delineation of the clinical phenotype of the 7p22.1 duplication syndrome and to the refinement of the minimal critical region. Our patient shares several major features of the 7p22.1 duplication syndrome, including craniofacial dysmorphisms and speech and motor delay, but she also presents with renal anomalies. Based on present and published dup7p22.1 patients we suggest that renal abnormalities might be an additional feature of the 7p22.1 microduplication syndrome. We also pinpoint the ACTB gene as the key gene affecting the 7p22.1 duplication syndrome phenotype. PMID- 27866050 TI - Boucher Neuhauser Syndrome - A rare cause of inherited hypogonadotropic hypogonadism. A case of two adult siblings with two novel mutations in PNPLA6. AB - Boucher Neuhauser Syndrome (BNS) is a rare clinical syndrome with autosomal recessive inheritance defined by early-onset ataxia, hypogonadism and chorioretinal dystrophy. We present two siblings diagnosed with BNS in late adult life identified with compound heterozygous state of two novel PNPLA6 mutations. Five healthy siblings were non- or heterozygous carriers of the mutations. The cases, which presented with ataxia in childhood and hypogonadotropic hypogonadism (HH), were diagnosed at age 17 and 25, respectively, when examined for delayed puberty. The youngest case, a 55-year old male, was referred to our department in 2006 for evaluation of secondary causes of osteoporosis, which he developed despite adequate testosterone replacement therapy. The unusual medical history with childhood ataxia and hypogonadotropic hypogonadism lead to further examinations and eventually the diagnosis of BNS. The older sister of the proband also displayed the triad of ataxia, HH and chorioretinal dystrophy accompanied by cerebellar atrophy and in 2014, we found the mutations in PNPLA6. BNS is a rare cause of HH and secondary osteoporosis, but should be considered in patients presenting with one or more of the key features. Genetic screening is becoming increasingly available and inexpensive and accordingly this may be considered earlier and by broader indication in unusual phenotypic presentations. The increasing knowledge of causes for inherited diseases should extend the use of genetic screening, as the correct diagnosis will benefit the patients. PMID- 27866049 TI - Novel ELN mutation in a family with supravalvular aortic stenosis and intracranial aneurysm. AB - Pathogenic germline mutations in ELN can be detected in patients with supravalvular aortic stenosis. The mutation might occur de novo or be inherited following an autosomal dominant pattern of inheritance. In this report we describe a three-generation family suffering from supravalvular aortic stenosis, various other arterial stenoses, sudden death, and intracranial aneurysms. A frameshift mutation in exon 12, not described before, was detected in the affected family members. This report emphasises the importance of family history, genetic counselling, and demonstrates the great variability in the phenotype within a single SVAS family. PMID- 27866051 TI - Insights into structure and function of 30S Ribosomal Protein S2 (30S2) in Chlamydophila pneumoniae: A potent target of pneumonia. AB - The gene 30S ribosomal protein S2 (30S2) is identified as a potential drug and vaccine target for Pneumonia. Its structural characterization is an important to understand the mechanism of action for identifying its receptor and/or other binding partners. The comparative genomics and proteomics studies are useful for structural characterization of 30S2 in C. Pneumoniae using different bioinformatics tools and web servers. In this study, the protein 30S2 structure was modelled and validated by Ramachandran plot. It is found that the modelled protein under most favoured "core" region was 88.7% and overall G-factor statistics with average score was -0.20. However, seven sequential motifs have been identified for 30S2 with reference codes (PR0095, PF0038, TIGR01012, PTHR11489, SSF52313 and PTHR11489). In addition, seven structural highly conserved residues have been identified in the large cleft are Lys160, Gly161and Arg162 with volume 1288.83A3 and average depth of the cleft was 10.75A. Moreover, biological functions, biochemical process and structural constituents of ribosome are also explored. The study will be helped us to understand the sequential, structural, functional and evolutionary clues of unknown proteins available in C. Pneumoniae. PMID- 27866052 TI - Investigating dysregulated pathways in Staphylococcus aureus (SA) exposed macrophages based on pathway interaction network. AB - OBJECTIVE: This work aimed to identify dysregulated pathways for Staphylococcus aureus (SA) exposed macrophages based on pathway interaction network (PIN). METHODS: The inference of dysregulated pathways was comprised of four steps: preparing gene expression data, protein-protein interaction (PPI) data and pathway data; constructing a PIN dependent on the data and Pearson correlation coefficient (PCC); selecting seed pathway from PIN by computing activity score for each pathway according to principal component analysis (PCA) method; and investigating dysregulated pathways in a minimum set of pathways (MSP) utilizing seed pathway and the area under the receiver operating characteristics curve (AUC) index implemented in support vector machines (SVM) model. RESULTS: A total of 20,545 genes, 449,833 interactions and 1189 pathways were obtained in the gene expression data, PPI data and pathway data, respectively. The PIN was consisted of 8388 interactions and 1189 nodes, and Respiratory electron transport, ATP synthesis by chemiosmotic coupling, and heat production by uncoupling proteins was identified as the seed pathway. Finally, 15 dysregulated pathways in MSP (AUC=0.999) were obtained for SA infected samples, such as Respiratory electron transport and DNA Replication. CONCLUSIONS: We have identified 15 dysregulated pathways for SA infected macrophages based on PIN. The findings might provide potential biomarkers for early detection and therapy of SA infection, and give insights to reveal the molecular mechanism underlying SA infections. However, how these dysregulated pathways worked together still needs to be studied. PMID- 27866053 TI - LC-ESI-MS/MS evaluation of forced degradation behaviour of silodosin: In vitro anti cancer activity evaluation of silodosin and major degradation products. AB - Silodosin (SLD) a novel alpha1-adrenoceptor antagonist was subjected to forced degradation involving hydrolysis (acidic, alkaline and neutral), oxidative, photolysis and thermal stress, as per ICH specified conditions. The drug underwent significant degradation under hydrolytic (acidic, alkaline and neutral) and oxidative stress conditions whereas, it was found to be stable under other stress conditions. A rapid, precise, accurate and robust chromatographic method for the separation of the drug and its degradation products (DPs) was developed on a Fortis C18 analytical column (150*4.6mm, 5MUm) using 0.1% formic acid and acetonitrile as a mobile phase in gradient elution mode at a flow rate of 1.0mL/min. A total of 5 (DP 1 to DP 5) hitherto unknown DPs were identified by LC ESI-TOF-MS/MS experiments and accurate mass measurements. The most probable mechanisms for the formation of DPs have been proposed based on a comparison of the fragmentation of the [M+H]+ ions of silodosin and its DPs. The major DPs (DP 1 and DP 2) were isolated and evaluated for anticancer activity using PC3 (human prostate cancer) cell lines by MTT assay. The results revealed that silodosin, DP 1 and DP 2 have potential anticancer activity with IC50 values (MUM) 72.74 (+/ 4.51), 25.21 (+/-2.36), and, 114.07 (+/-11.90) respectively. PMID- 27866054 TI - Comparison of miRNA signature versus conventional biomarkers before and after off pump coronary artery bypass graft. AB - Circulating levels of microRNAs (miRNAs) and their expression patterns are supposed to serve as signatures for diagnosis or prognosis of cardiovascular events. The present study aimed at determining if there is any correlation between the release pattern of 2 miRNAs and the plasma levels of conventional biomarkers cardiac troponin I (cTnI), creatine kinase (CK) and uric acid (UA) in patients undergoing their first off-pump coronary artery bypass graft (OCABG). Seventy OCABG patients (69% men, aged 59.2+/-8.2years) were enrolled. Emergencies, re-operations, abnormal preoperative serum cTnI and combined procedures were excluded from this study. Pre-operative mean ejection fraction was 45.8+/-8.6%, the average number of grafts was 3+/-0.87/patient, and the internal mammary artery was used for all. Beside conventional clinical assays, we performed real-time quantitative PCR to analyze the circulating levels of miR 155, miR-126 and miR-499 at 1day before surgery as well as 4days after surgery. Importantly, there was no report of myocardial infarction in our patients, pre- or post-operatively. In contrast to conventional biomarkers cTnI and CK, circulating levels of miRNAs decreased significantly (P<0.01) after revascularization surgery. A significant positive correlation was seen between the cTnI and miR-499 (r~0.53, P<0.01) and between miR-126 and UA (r~0.5, P<0.01). Time course study of circulating miR-499, miR-126 and miR-155 in cardiac surgery clarified their advantage and correlations to the traditional biomarkers cTnI, total CK, CK-MB and UA. Our results suggest that this signature is a novel, early biomarker which indicates myocardial ischemia in cardiac surgery. It could be postulated that the application of these miRNAs may be considered for monitoring of response to pharmacological interventions aimed at reducing cardiac ischemia, especially in OCABG candidates. PMID- 27866055 TI - Microstructure and nanoindentation analyses of low-temperature aging on the zirconia-porcelain interface. AB - The aim of the present study was to investigate the effects of low-temperature aging on the micro-mechanical and micro-structural properties of zirconia porcelain interface. In total, thirty-three Y-TZP zirconia blocks were fabricated by using CAD/CAM technology, veneered with porcelains. Specimens were submitted to low-temperature aging in an autoclave at 134 degrees C, additional 0.2MPa pressure for 0h, 5h, or 10h. Flexural strength was obtained by using three-point bending test. Micro-mechanical properties (nano-hardness (H) and reduced modulus (Er)) were investigated by nanoindentation tests. Scanning electron microscopy and X-ray diffraction analyses were performed to identify the micro-structure and fracture behavior. The flexure strength, modulus and hardness of zirconia increased after 5h aging and decreased after 10h aging. No significant alterations of the reduced modulus or hardness of porcelain were detected in the whole aging duration. Width of the zirconia-porcelain interface was extended towards the bulk of zirconia. The detachment and cracks could be observed in zirconia, and the crystal alignment was disorganized in porcelain after 5h aging and 10h aging. Mechanical properties of the veneering porcelain are not affected by low-temperature aging. However, the expansion and the alterations of micro mechanical and micro-structural properties of zirconia-porcelain interface were detected. PMID- 27866057 TI - Effect of crosslinking in cartilage-like collagen microstructures. AB - The mechanical performance of biological tissues is underpinned by a complex and finely balanced structure. Central to this is collagen, the most abundant protein in our bodies, which plays a dominant role in the functioning of tissues, and also in disease. Based on the collagen meshwork of articular cartilage, we have developed a bottom-up spring-node model of collagen and examined the effect of fibril connectivity, implemented by crosslinking, on mechanical behaviour. Although changing individual crosslink stiffness within an order of magnitude had no significant effect on modelling predictions, the density of crosslinks in a meshwork had a substantial impact on its behaviour. Highly crosslinked meshworks maintained a 'normal' configuration under loading, with stronger resistance to deformation and improved recovery relative to sparsely crosslinked meshwork. Stress on individual fibrils, however, was higher in highly crosslinked meshworks. Meshworks with low numbers of crosslinks reconfigured to disease-like states upon deformation and recovery. The importance of collagen interconnectivity may provide insight into the role of ultrastructure and its mechanics in the initiation, and early stages, of diseases such as osteoarthritis. PMID- 27866056 TI - Towards the mechanical characterization of abdominal wall by inverse analysis. AB - The aim of this study is to characterize the passive mechanical behaviour of abdominal wall in vivo in an animal model using only external cameras and numerical analysis. The main objective lies in defining a methodology that provides in vivo information of a specific patient without altering mechanical properties. It is demonstrated in the mechanical study of abdomen for hernia purposes. Mechanical tests consisted on pneumoperitoneum tests performed on New Zealand rabbits, where inner pressure was varied from 0mmHg to 12mmHg. Changes in the external abdominal surface were recorded and several points were tracked. Based on their coordinates we reconstructed a 3D finite element model of the abdominal wall, considering an incompressible hyperelastic material model defined by two parameters. The spatial distributions of these parameters (shear modulus and non linear parameter) were calculated by inverse analysis, using two different types of regularization: Total Variation Diminishing (TVD) and Tikhonov (H1). After solving the inverse problem, the distribution of the material parameters were obtained along the abdominal surface. Accuracy of the results was evaluated for the last level of pressure. Results revealed a higher value of the shear modulus in a wide stripe along the craneo-caudal direction, associated with the presence of linea alba in conjunction with fascias and rectus abdominis. Non linear parameter distribution was smoother and the location of higher values varied with the regularization type. Both regularizations proved to yield in an accurate predicted displacement field, but H1 obtained a smoother material parameter distribution while TVD included some discontinuities. The methodology here presented was able to characterize in vivo the passive non linear mechanical response of the abdominal wall. PMID- 27866058 TI - Timing and duration of nursing from birth affect neonatal porcine uterine matrix metalloproteinase 9 and tissue inhibitor of metalloproteinase 1. AB - Nursing for 2 d from birth supports neonatal porcine uterine and cervical development. However, it is not clear how timing or duration of lactocrine signaling from birth (postnatal day = PND 0) affects development of neonatal female reproductive tract tissues. Therefore, studies were conducted to determine effects of age at first nursing and duration of nursing from birth on specific elements of the matrix metalloproteinase (MMP)/tissue inhibitor of metalloproteinase (TIMP) system in uterine and cervical tissues at PND 2. When nursing was initiated at 0 h or 30 min of age, targeted proteins, including proMMP9 and MMP9, were detected in uterine and cervical tissues on PND 2, as was uterine TIMP1. However, these proteins were undetectable when nursing was delayed for 12 h and when gilts were fed milk replacer for 48 h from birth. Increasing the duration of nursing from 30 min to 12 h from birth increased uterine (P < 0.05) and cervical (P < 0.001) MMP9 levels to those observed in gilts nursed for 48 h. Similarly, uterine TIMP1 levels increased with duration of nursing. Uterine MMP2 levels were detectable but unaffected by age at first nursing or duration of nursing from birth. Uterine MMP2 and MMP9 activities, monitored by zymography, reflected immunoblotting data. Results provide evidence for the utility of MMP9 and TIMP1 as markers of age- and lactocrine-sensitive porcine female reproductive tract development. PMID- 27866059 TI - Glucocorticoid metabolism in equine follicles and oocytes. AB - The objective of this study was to determine whether (1) systemic and intrafollicular cortisol concentrations in horses are directly related and (2) supraphysiological levels of glucocorticoids affect in vitro maturation (IVM) rates of oocytes. Specifically, we studied the (1) changes in the intrafollicular cortisol and progesterone in context with granulosa cell gene expression during maturation of equine follicles (from 5-9 mm, 10-14 mm, 15-19 mm, 20-24 mm, and >=25 mm in diameter) and (2) effects of cortisol supplementation on IVM rates and gene expression of equine cumulus-oocyte complexes (COCs). For these purposes, follicular fluid, granulosa cells, and COCs were collected from 12 mares (mean age 8.6 +/- 0.5 yr) by transvaginal aspiration. Cortisol and progesterone concentrations in follicular fluid from follicles >=25 mm were greater (P < 0.05) than in all other follicle classes and were positively correlated (r = 0.8; P < 0.001). Plasma concentrations of cortisol and progesterone did not differ before and after follicle aspiration (P > 0.05). In granulosa cells, gene expression of NR3C1, HSD11B1, HSD11B2, and CYP21A2 did not differ (P > 0.05) among different follicle classes. Maturation rates were similar (P > 0.05) among groups, regardless of the cortisol concentration in the IVM medium. In cumulus cells, messenger RNA expression of genes involved in glucocorticoid mechanism and apoptosis was either increased (NR3C1 and BCL2) or decreased (HSD11B2) by treatment (P < 0.01). In oocytes, gene expression of maturation markers (BMP15 and GDF9) was affected (P < 0.001) by cortisol treatment. This study demonstrates the involvement of glucocorticoids in follicle and oocyte maturation and cortisol modulation by HSD11B2 in equine COCs. Our data provide further information for understanding the normal ovarian endocrine physiology which might in turn also help improve equine assisted reproduction techniques. PMID- 27866060 TI - Psychometric properties of the Spanish version of the Cannabis Use Problems Identification Test among Chilean university students: A validation study. AB - BACKGROUND: In Chile, concerns mount about escalating cannabis use. Thus, it is important to have tools for early identification of at-risk users. The Cannabis Use Problems Identification Test (CUPIT) is a useful screening tool, and the aim of this study was to examine the psychometric properties of its Spanish version among Chilean university students. METHODS: The CUPIT was translated into Spanish, pre-tested in a focus group (n=8), and then tested through an online survey (n=3798, 28% response rate). Of the 1061 respondents, 578 reported 12 month cannabis use. Internal reliability, internal structure, and concurrent validity (using the Cannabis Abuse Screening Test [CAST]) were obtained. Test retest reliability was calculated (n=150) at 3-4 weeks (30% of attrition rate). Discriminative validity was evaluated comparing CUPIT subscales and four DSM-IV diagnostic groups. Receiving operator characteristic (ROC) curve analysis assessed sensitivity and specificity. RESULTS: Test-retest Pearson correlation between total CUPIT scores of 0.90 (p<0.001), and highly significant Kendall Tau b coefficients for individual items (p<0.001) indicated excellent reliability. Concordance between the CUPIT and CAST (Pearson correlation 0.73, p<0.001) indicated good concurrent validity. ANOVA revealed significant differences in CUPIT scores between the four DSM-IV diagnostic groups (p<0.001), indicative of good discriminative validity. ROC analysis (gold standard: DSM-IV abuse/dependence) yielded an AUC value of 0.72, indicating acceptable discriminative capability. CONCLUSIONS: The Spanish CUPIT is reliable, valid, and accepted by the university population studied, and, thus, a potentially useful tool for identifying both problematic and at-risk users. PMID- 27866061 TI - Patterns of drugs & poisons in southern area of South Korea in 2014. AB - The southern area of South Korea consists of three parts; Busan, Ulsan and Gyeongsangnam-do. Busan Institute of National Forensic Service (NFS) performed about 50,000 cases throughout the southern area in 2014, occupying over 15% of total cases covered by NFS. In this study, patterns of drugs and poisons in the southern area of South Korea were investigated. The investigation was carried out by the laboratory information management system of NFS between January and December of 2014. As results, a total of 606 autopsy cases were performed by Busan Institute of NFS in 2014. Among them, 15 cases were determined as drug intoxication or poisons as the cause of death, taking up 2.5% of total cases: 5 cases of intoxication by drugs, 5 by agricultural pesticides, 3 by illicit drugs, and 1 each by detergents and chemical substances. A total of 108 drugs in postmortem bloods were detected from the autopsy cases, and the top 5 drugs were chlorpheniramine, tramadol, diazepam, zolpidem and lidocaine. Meanwhile, a total of 1,728 cases were submitted for illicit drug testing in 2014. Among them, hair was the most common type of specimens, and the rate of positive detection of methamphetamine from the hair, urine, and seized materials in the southern area was over 50% in all cases, indicating that this is the most commonly abused drug in South Korea. A total of 12 types of novel psychoactive substances (NPSs) were detected in the southern area in 2014; 10 were identified as synthetic cannabinoids and 2 as alkyl nitrites. PMID- 27866062 TI - Gunshot residue contamination of the hands of police officers following start-of shift handling of their firearm. AB - If police officers are contaminated with gunshot residue (GSR) through the normal receiving, checking, loading, and securing of their issued firearm, there is the potential for secondary transfer of GSR to anyone those officers arrest during their shift. This 3-part study examined the level of GSR contamination of police officers following the start-of-shift handling of their standard issue firearm, the impact that hand-washing or the use of a self-drying hand-wash had on the level of GSR contamination, and the likelihood of officers re-contaminating their hands through contact with the exposed hand-grip of their holstered hand-gun. Almost 85% (28/33) of officers sampled had 3-component GSR particles on their hands immediately following the start-of-shift handling of their firearm. There was an average of 64 such particles over the 33 officers sampled. Of the 17 officers who washed their hands after securing their firearm, a single 3 component particle was recovered from the hands of one officer. GSR particles (maximum of 4) were recovered from 3 of the 14 officers who used self-drying hand gel following firearm handling. 3-component particles (maximum of 7) were recovered from the hand-grips of 12 of the 34 unissued handguns sampled. PMID- 27866063 TI - Anticancer therapy-induced vascular toxicity: VEGF inhibition and beyond. AB - Cardiotoxicity induced by chemotherapeutic agents and radiotherapy is a growing problem. In recent years, an increasing number of new drugs with targeted action have been designed. These molecules, such as monoclonal antibodies and tyrosine kinase inhibitors, can cause different type of toxicities compared to traditional chemotherapy. However, they can also cause cardiac complications such as heart failure, arterial hypertension, QT interval prolongation and arrhythmias. Currently, a field of intense research is the vascular toxicity induced by new biologic drugs, particularly those which inhibit vascular endothelial growth factor (VEGF) and its receptor (VEGF-R) and other tyrosine kinases. In this review, we aim at focusing on the problem of vascular toxicity induced by new targeted therapies, chemotherapy and radiotherapy, and describe the main mechanisms and emphasizing the importance of early diagnosis of vascular damage, in order to prevent clinical complications. PMID- 27866064 TI - Incretin-based therapy for type 2 diabetes: A real class effect? PMID- 27866065 TI - The effect of vitamin D supplementation on hypertension in non-CKD populations: A systemic review and meta-analysis. AB - OBJECTIVES: To investigate the vitamin D supplementation on blood pressure control by a systemic review and meta-analysis. METHODS: Randomized controlled clinical trials were analyzed, which date from eight studies in databases including MEDLINE, EMBASE, Clinical trials, China Integrated Knowledge Resources Database and the Cochrane library. RESULTS: Total 917 patients from eight randomized controlled trials (RCTs), treatment with vitamin D for more than 3months were analyzed. Meta-analysis showed that vitamin D supplementation slightly reduced the systolic blood pressure (SBP) by 1.964mmHg (95% CI, 0.362 3.566; P=0.016), but not lowered diastolic blood pressure (SMD: -0.087, 95% CI, 0.208-0.033; P=0.155). Subgroup analysis also showed that sBP lowering by vitamin D supplementation was not dose-dependent. Comparison to placebo, there is also no statistical difference in SBP lowering by vitamin D supplementation. CONCLUSIONS: This meta-analysis indicated that vitamin D is not an antihypertensive agent although it has a moderate SBP lowering effect. More RCTs are required to observe the role of vitamin D plus other antihypertensive drugs in blood pressure control, and define the optimum dose, dosing interval, and type of vitamin D to administer. PMID- 27866068 TI - An abnormal ocular motor manifestation of Joubert syndrome. AB - Joubert syndrome is a congenital neurodevelopmental disorder primarily affecting the midbrain and hindbrain. It is characterized by ataxia, hypotonia, and developmental delay as well as apnea or abnormal ocular motor function. We describe and present a video of a child with Joubert syndrome with an alternating skew deviation in primary position rather than on lateral gaze, which is a more characteristic phenotype of this condition. PMID- 27866067 TI - Escalating and de-escalating treatment in HER2-positive early breast cancer. AB - The current standard adjuvant systemic treatment of early HER2-positive breast cancer consists of chemotherapy plus 12months of trastuzumab, with or without endocrine therapy. Several trials have investigated modifications of the standard treatment that are shorter and less resource-demanding (de-escalation) or regimens that aim at dual HER2 inhibition or include longer than 12months of HER2 targeted treatment (escalation). Seven randomized trials investigate shorter than 12months of trastuzumab treatment duration. The shorter durations were not statistically inferior to the 1-year duration in the 3 trials with survival results available, but 2 of the trials were small and 1 had a relatively short follow-up time of the patients at the time of reporting. The pathological complete response (pCR) rates were numerically higher in all 9 randomized trials that compared chemotherapy plus dual HER2 inhibition consisting of trastuzumab plus either lapatinib, neratinib, or pertuzumab with chemotherapy plus trastuzumab as neoadjuvant treatments, but the superiority of chemotherapy plus dual HER2-inhibition over chemotherapy plus trastuzumab remains to be demonstrated in the adjuvant setting. One year of adjuvant trastuzumab was as effective as 2years of trastuzumab in the HERA trial, and was associated with fewer side-effects. Extending 1-year adjuvant trastuzumab treatment with 1year of neratinib improved disease-free survival in the ExteNET trial, but the patient follow-up times are still short, and no overall survival benefit was reported. Several important trials are expected to report results in the near future and may modify the current standard. PMID- 27866066 TI - Terminate lung cancer (TLC) study-A mixed-methods population approach to increase lung cancer screening awareness and low-dose computed tomography in Eastern Kentucky. AB - For low dose CT lung cancer screening to be effective in curbing disease mortality, efforts are needed to overcome barriers to awareness and facilitate uptake of the current evidence-based screening guidelines. A sequential mixed methods approach was employed to design a screening campaign utilizing messages developed from community focus groups, followed by implementation of the outreach campaign intervention in two high-risk Kentucky regions. This study reports on rates of awareness and screening in intervention regions, as compared to a control region. PMID- 27866069 TI - A case of recurrent, grade 3 corneal choriostoma after surgical excision. AB - We report a case of congenital grade 3 corneal choriostoma accompanied by anterior staphyloma. The tumor was excised by deep lamellar dissection, and the defect was filled with multilayer amniotic membranes. On histologic examination, the excised tumor contained demislike connective tissues, dermal adnexa (hair follicles and sebaceous gland), and adipose tissue, and was lined by keratinizing squamous epithelium. One month after surgery, the tumor recurred and progressively enlarged. PMID- 27866070 TI - Spontaneous rupture of chorioretinal coloboma in an 8-year-old child is treated by temporal fascia graft. AB - We report the rare case of an 8-year-old boy with spontaneous scleral perforation secondary to an isolated congenital chorioretinal coloboma. Visual acuity was 20/200 and examination revealed severe hypotony with subcapsular cataract, complete exudative retinal detachment, hypotonous optic nerve swelling, and hypotony retinal fold. In the temporal periphery, there was a chorioretinal coloboma with a central full-thickness defect. The scleral defect was successfully treated with an autologous temporalis fascia graft. One year later, and after cataract surgery, visual acuity had improved to 20/20, with normal intraocular pressure. PMID- 27866071 TI - The CD4/CD8 ratio is associated with coronary artery disease (CAD) in elderly Chinese patients. AB - OBJECTIVE: The aim of this study was to investigate the relationship between number of circulating T cells and coronary artery disease (CAD) in an elderly Chinese population. METHODS: A total of 295 elderly inpatients (age>=60) were included in this cross-sectional study. Their clinical and biochemical characteristics were recorded. Patients were divided to two groups: control patients and CAD patients. The risk factors of CAD were explored by binary logistic regression analysis. RESULTS: Compared with control patients, the ratio of CD4 to CD8 T cells was significantly increased in CAD patients. There was no difference in the number of CD3, CD4, and CD8 T cells between the two groups. Multiple logistic regression analysis showed that CAD was independently associated with age, gender, body mass index (BMI), systolic blood pressure (SBP), chronic heart failure (CHF) and the CD4/CD8 ratio. In addition, after adjusting for different clinical parameters (including gender, age, CHF, hypertension, arrhythmia, SBP, and BMI), the risk of CAD was significantly increased in patients with a CD4/CD8 ratio>1.5. CONCLUSIONS: There was a strong and independent association between the ratio of CD4/CD8 and CAD in elderly Chinese population. PMID- 27866072 TI - General expressions for R1rho relaxation for N-site chemical exchange and the special case of linear chains. AB - Exploration of dynamic processes in proteins and nucleic acids by spin-locking NMR experiments has been facilitated by the development of theoretical expressions for the R1rho relaxation rate constant covering a variety of kinetic situations. Herein, we present a generalized approximation to the chemical exchange, Rex, component of R1rho for arbitrary kinetic schemes, assuming the presence of a dominant major site population, derived from the negative reciprocal trace of the inverse Bloch-McConnell evolution matrix. This approximation is equivalent to first-order truncation of the characteristic polynomial derived from the Bloch-McConnell evolution matrix. For three- and four site chemical exchange, the first-order approximations are sufficient to distinguish different kinetic schemes. We also introduce an approach to calculate R1rho for linear N-site schemes, using the matrix determinant lemma to reduce the corresponding 3N*3N Bloch-McConnell evolution matrix to a 3*3 matrix. The first- and second order-expansions of the determinant of this 3*3 matrix are closely related to previously derived equations for two-site exchange. The second-order approximations for linear N-site schemes can be used to obtain more accurate approximations for non-linear N-site schemes, such as triangular three-site or star four-site topologies. The expressions presented herein provide powerful means for the estimation of Rex contributions for both low (CEST-limit) and high (R1rho-limit) radiofrequency field strengths, provided that the population of one state is dominant. The general nature of the new expressions allows for consideration of complex kinetic situations in the analysis of NMR spin relaxation data. PMID- 27866073 TI - Drivers' detection of roadside targets when driving vehicles with three headlight systems during high beam activation. AB - A previous open-road experiment indicated that curve-adaptive HID headlights driven with low beams improved drivers' detection of low conspicuity targets compared with fixed halogen and fixed HID low beam systems. The current study used the same test environment and targets to assess whether drivers' detection of targets was affected by the same three headlight systems when using high beams. Twenty drivers search and responded for 60 8*12inch targets of high or low reflectance that were distributed evenly across straight and curved road sections as they drove at 30 mph on an unlit two-lane rural road. The results indicate that target detection performance was generally similar across the three systems. However, one interaction indicated that drivers saw low reflectance targets on straight road sections from further away when driving with the fixed halogen high beam condition compared with curve-adaptive HID high beam headlights and also indicated a possible benefit for the curve-adaptive HID high beams for high reflectance targets placed on the inside of curves. The results of this study conflict with the previous study of low beams, which showed a consistent benefit for the curve-adaptive HID low beams for targets placed on curves compared with fixed HID and fixed halogen low beam conditions. However, a comparison of mean detection distances from the two studies indicated uniformly longer mean target detection distances for participants driving with high beams and implicates the potential visibility benefits for systems that optimize proper high beam use. PMID- 27866074 TI - Environmentally induced tissue responses of hematopoietic system in abu mullet (Liza abu) and tiger tooth croaker (Otolithes ruber) from the Persian Gulf. AB - The present investigation aimed to assess the possibility of using plasma levels of erythropoietin (EPO) hormone and tissue changes of hematopoietic organs as biomarkers of environmental pollution in abu mullet (Liza abu) and tiger tooth croaker (Otolithes ruber) collected from Musa Creek (northwest of the Persian Gulf). 120 L. abu and O. ruber were collected from five stations at the Musa Creek: Petrochemical, Ghanam, Doragh, Zangi and Patil stations. Blood samples were obtained from the caudal vein. Tissue samples were also taken from the spleen and head kidney, and tissue sections were prepared according to routine histological methods. The concentrations of Hg, Pb, Zn, Cu, and Cd were also measured in the sediment samples. The minimum level of EPO and the most severe tissue changes were determined in fish collected near a Petrochemical station. This station is adjacent to the Imam Khomeini Petrochemical Complex and receives highly contaminated effluents from this complex. The highest degree of contamination (Cd) also belonged to this station. The fish collected from the Patil station represented the highest EPO level and the least tissue changes. This station exhibited a lesser degree of contamination. Based on the results, there was a significant correlation between the plasma level of EPO hormone and the degree of environmental contamination. PMID- 27866075 TI - Bioaccumulation and subcellular partitioning of Cr(III) and Cr(VI) in the freshwater green alga Chlamydomonas reinhardtii. AB - Chromium occurs in aquatic environments under two main redox forms, namely Cr(III) and Cr(VI), with different geochemical and biochemical properties. Cr(VI) readily crosses biological membranes of living organisms and once inside the cells it undergoes a rapid reduction to Cr(III). The route of entry for the latter form is, however, poorly known. Using the radioactive tracer 51Cr we compared the accumulation (absorption and adsorption) of the two Cr forms by the green unicellular alga Chlamydomonas reinhardii after 1h and 72h of exposure to 100nM of either Cr(III) or Cr(VI) at pH 7. Both Cr forms had similar accumulation, with a major part in the extracellular (adsorbed) fraction after 1h and a major part of total accumulated Cr in the intracellular (absorbed) fraction after 72h. We also investigated the intracellular partitioning of Cr using an operational fractionation scheme and found that both Cr forms had similar distributions among fractions: Cr was mostly associated with organelles (23+/-12% after 1h and 37+/-7% after 72h) and cytosolic heat-stable proteins and peptides (39+/-18% after 1h and 35+/-3% after 72h) fractions. Further investigations using a metallomic approach (SEC-ICP-MS) were performed with the heat-stable proteins and peptides fraction to compare the distribution of the two Cr forms among various biomolecules of this fraction. One Cr-binding biomolecule (~28kDa) appeared after 1h of exposure for both Cr species. After 72h another biomolecule of lower molecular weight (~0.7kDa) was involved in binding Cr and higher signal intensities were observed for Cr(VI) than for Cr(III). We show, for the first time, that both Cr(III) and Cr(VI) have similar fate within algal cells, supporting the tenet that a unique redox form occurs within cells. PMID- 27866076 TI - Antioxidant properties of tea blunt ROS-dependent lipogenesis: beneficial effect on hepatic steatosis in a high fat-high sucrose diet NAFLD obese rat model. AB - Oxidative stress could trigger lipid accumulation in liver and thus hepatic steatosis. Tea is able to prevent liver disorders, but a direct link between antioxidant capacities and prevention of steatosis has not been reported yet. We aimed to investigate such relationship in a rat model of high fat-high sucrose diet (HFS)-induced obesity and to explore more deeply the mechanisms in isolated hepatocytes. Wistar rats were divided into a control group (standard diet), an HFS group (high fat-sucrose diet) and an HFS+tea group (HFS diet with ad-libitum access to tea drink). Body weight, fat mass, glycemic parameters in blood, lipid and oxidative stress parameters in blood and liver were measured in each group after 14 weeks. Isolated hepatocytes were treated with the reactive oxygen species (ROS) inducer t-BHP in the presence or not of antioxidants (tempol or tea), and superoxide anion production and lipid accumulation were measured using specific fluorescent probes. We reported that the HFS diet highly increased hepatic lipids content, while tea consumption attenuated steatosis and improved the oxidative status (decrease in hepatic oxidative stress, increase in plasma total antioxidant capacity). The role of antioxidant properties of tea in such phenomenon was confirmed in primary cultured rat hepatocytes. Indeed, the increase of mitochondrial ROS production with t-BHP resulted in lipid accumulation in hepatocytes (positive linear regression), and antioxidants (tempol or tea) normalized both. We reported that the antioxidant properties of tea protect rats from an obesogenic HFS diet-induced hepatic steatosis by counteracting the ROS-dependent lipogenesis. PMID- 27866077 TI - The concept of double inlet-double outlet right ventricle: a distinct congenital heart disease. AB - The aim of this study was to estimate the incidence and to analyze the anatomy of double inlet-double outlet right ventricle complex and its associated cardiac anomalies in our autopsy series. Among the 1640 hearts with congenital heart disease of our Anatomical Collection, we reviewed the specimens with double inlet double outlet right ventricle, according to the sequential-segmental analysis, identifying associated cardiac anomalies and examining lung histology to assess the presence of pulmonary vascular disease. We identified 14 hearts with double inlet-double outlet right ventricle (0.85%). Right atrial isomerism was observed in 10 hearts, situs solitus in 3 and left atrial isomerism in one. Regarding the mode of atrioventricular connection, all hearts but one had a common atrioventricular valve. Systemic or pulmonary venous abnormalities were noted in all patients with atrial isomerism. In nine patients a valvular or subvalvular pulmonary stenosis was present. Among the functionally "univentricular hearts", double inlet- double outlet right ventricle represents a peculiar entity, mostly in association with right atrial isomerism. Multiple cardiac anomalies are associated and may complicate surgical repair. PMID- 27866078 TI - A pH Indicator-linked Immunosorbent assay following direct amplification strategy for colorimetric detection of protein biomarkers. AB - A new pH indicator-linked immunosorbent assay (PILISA) reached pg/mL sensitivity based on pH indicator molecules loaded carbon nitride nanosheets as signal enhancer has been developed for colorimetric detection of protein biomarkers. As the secondary antibody binds to the carbon nitride nanosheets, the carbon nitride nanosheets and pH indicator complex as the signal amplification platform for colour change by detecting absorbance of pH indicator. The colour change was resulted from the releasing of pH indicator molecules from carbon nitride nanosheets triggered by alkali solution (AS). In this novel PILISA, the intensity absorbance of pH indicator is proportional to the concentration of the disease marker. The outstanding detection performance of the PILISA can be attributed to the following reasons: (1) ultrathin carbon nitride nanosheets with a larger surface area could adsorb abundant phenolphthalein (PP) molecules through hydrophobic interactions as well as the resulted PP anions can be free easily released into aqueous solution, leading to an obvious allochroic response; (2) the signal intensity is precisely determined by the amount of PP molecules loading onto the carbon nitride nanosheets surface, which ensures simple, low cost and stable colorimetric detection. As expected, this new PILISA method offered an enzyme-free approach followed enzyme-linked immunosorbent assay format, which showed great promising potential as an innovative robust assay method for practical clinical applications. PMID- 27866079 TI - Multimodal plasmonic biosensing nanostructures prepared by DNA-directed immobilization of multifunctional DNA-gold nanoparticles. AB - Biofunctional multimodal plasmonic nanostructures suitable for multiplexed localized surface plasmon resonance (LSPR) biosensing have been created by DNA directed immobilization (DDI) of two distinct multifunctional biohybrid gold nanoparticles. Gold nanoparticles (AuNP) of distinct sizes, and therefore showing distinct plasmon resonant peaks (RP), have been biofunctionalized and codified with two different single stranded-DNA (ssDNA) chains. One of these oligonucleotide chains has been specifically designed to direct each AuNP to a distinct location of the surface of a DNA microarray chip through specific hybridization with complementary oligonucleotide strands. Scanning Electron Microscopy (SEM) has been used to demonstrate selective immobilization of each AuNP on distinct spots. The second ssDNA chain of the AuNPs provides the possibility to introduce by hybridization distinct types of bioactive molecules or bioreceptors, on a reversible manner. In this work, hapten-oligonucleotide bioconjugate probes, with sequences complementary to the second ssDNA linked to the AuNP, have been synthesized and used to create multiplexed hapten biofuncionalized plasmonic nanostructures. The oligonucleotide probes consist on anabolic androgenic steroid haptens (AAS) covalently linked to specifically designed oligonucleotide sequences. The biofunctionality of these plasmonic nanostructures has been demonstrated by fluorescent microarray immunoassay and LSPR measurements, recording the shift of the RP produced after the antibody binding to the corresponding hapten-oligonucleotide probes immobilized on the nanostructured surface. Preliminary data show that this approach could allow manufacturing multifunctional multimodal LSPR chips for multiplexed analysis of different substances reaching very good detectability. Thus, small molecular weigh, analytes such as stanozolol (ST,) could be detected at concentrations in the low nM range. The results here presented open the door for an easy way to construct site-encoded multiplexed multimodal LSPR sensor transducers, combining the DDI strategies with multimodal biohybrid nanoparticles showing distinct optical properties. PMID- 27866080 TI - Highly sensitive detection of cancer cells with an electrochemical cytosensor based on boronic acid functional polythiophene. AB - The detection of cancer cells through important molecular recognition target such as sialic acid is significant for the clinical diagnosis and treatment. There are many electrochemical cytosensors developed for cancer cells detection but most of them have complicated fabrication processes which results in poor reproducibility and reliability. In this study, a simple, low-cost, and highly sensitive electrochemical cytosensor was designed based on boronic acid-functionalized polythiophene. In cytosensors fabrication simple single-step procedure was used which includes coating pencil graphite electrode (PGE) by means of electro polymerization of 3-Thienyl boronic acid and Thiophen. Electrochemical impedance spectroscopy and cyclic voltammetry were used as an analytical methods to optimize and measure analytical performances of PGE/P(TBA0.5Th0.5) based electrode. Cytosensor showed extremely good analytical performances in detection of cancer cells with linear rage of 1*101 to 1*106 cellsmL-1 exhibiting low detection limit of 10 cellsmL-1 and incubation time of 10min. Next to excellent analytical performances, it showed high selectivity towards AGS cancer cells when compared to HEK 293 normal cells and bone marrow mesenchymal stem cells (BM hMSCs). This method is promising for future applications in early stage cancer diagnosis. PMID- 27866081 TI - Delineating baseflow contribution areas for streams - A model and methods comparison. AB - This study addresses the delineation of areas that contribute baseflow to a stream reach, also known as stream capture zones. Such areas can be delineated using standard well capture zone delineation methods, with three important differences: (1) natural gradients are smaller compared to those produced by supply wells and are therefore subject to greater numerical errors, (2) stream discharge varies seasonally, and (3) stream discharge varies spatially. This study focuses on model-related uncertainties due to model characteristics, discretization schemes, delineation methods, and particle tracking algorithms. The methodology is applied to the Alder Creek watershed in southwestern Ontario. Four different model codes are compared: HydroGeoSphere, WATFLOW, MODFLOW, and FEFLOW. In addition, two delineation methods are compared: reverse particle tracking and reverse transport, where the latter considers local-scale parameter uncertainty by using a macrodispersion term to produce a capture probability plume. The results from this study indicate that different models can calibrate acceptably well to the same data and produce very similar distributions of hydraulic head, but can produce different capture zones. The stream capture zone is found to be highly sensitive to the particle tracking algorithm. It was also found that particle tracking by itself, if applied to complex systems such as the Alder Creek watershed, would require considerable subjective judgement in the delineation of stream capture zones. Reverse transport is an alternative and more reliable approach that provides probability intervals for the baseflow contribution areas, taking uncertainty into account. The two approaches can be used together to enhance the confidence in the final outcome. PMID- 27866083 TI - Neuroanatomical differences in FAST and SLOW rat strains with differential vulnerability to kindling and behavioral comorbidities. AB - OBJECTIVE: The neurobiological factors underlying a predisposition towards developing epilepsy and its common behavioral comorbidities are poorly understood. FAST rats are a strain that has been selectively bred for enhanced vulnerability to kindling, while the SLOW strain has been bred to be resistant to kindling. FAST rats also exhibit behavioral traits reminiscent of those observed in neurodevelopmental disorders (autism spectrum disorder (ASD)/attention deficit/hyperactivity disorder (ADHD)) commonly comorbid with epilepsy. In this study, we aimed to investigate neuroanatomical differences between these strains that may be associated with a differential vulnerability towards these interrelated disorders. METHODS: Ex vivo high-resolution magnetic resonance imaging on adult male FAST and SLOW rat brains was performed to identify morphological differences in regions of interest between the two strains. Behavioral examination using open-field, water consumption, and restraint tests was also conducted on a subgroup of these rats to document their differential ASD/ADHD-like behavior phenotype. Using optical stereological methods, the volume of cerebellar granule, white matter, and molecular layer and number of Purkinje cells were compared in a separate cohort of adult FAST and SLOW rats. RESULTS: Behavioral testing demonstrated hyperactivity, impulsivity, and polydipsia in FAST versus SLOW rats, consistent with an ASD/ADHD-like phenotype. Magnetic resonance imaging analysis identified brain structural differences in FAST compared with SLOW rats, including increased volume of the cerebrum, corpus callosum, third ventricle, and posterior inferior cerebellum, while decreased volume of the anterior cerebellar vermis. Stereological measurements on histological slices indicated significantly larger white matter layer volume, reduced number of Purkinje cells, and smaller molecular layer volume in the cerebellum in FAST versus SLOW rats. SIGNIFICANCE: These findings provide evidence of structural differences between the brains of FAST and SLOW rats that may be mechanistically related to their differential vulnerability to kindling and associated comorbid ASD/ADHD-like behaviors. PMID- 27866084 TI - Engineering cell signaling modulators from native protein-protein interactions. AB - Recent studies on genome sequencing and genetic screens with RNAi and CRISPR technology have revolutionized our understanding of aberrant signaling networks in human diseases. A strategy combining both genetic and protein-based technologies should be at the heart of modern drug-development efforts, particularly in the era of precision medicine. Thus, there is an urgent need for efficient platforms to develop probes that can modulate protein function in cells to validate drug targets and to develop therapeutic leads. Advanced protein engineering has enabled the rapid production of monoclonal antibodies and small protein scaffold affinity reagents for diverse protein targets. Here, we review the most recent progress on engineering natural protein-protein interactions for modulation of cell signaling. PMID- 27866082 TI - Auditory verbal hallucinations and continuum models of psychosis: A systematic review of the healthy voice-hearer literature. AB - Recent decades have seen a surge of research interest in the phenomenon of healthy individuals who experience auditory verbal hallucinations, yet do not exhibit distress or need for care. The aims of the present systematic review are to provide a comprehensive overview of this research and examine how healthy voice-hearers may best be conceptualised in relation to the diagnostic versus 'quasi-' and 'fully-dimensional' continuum models of psychosis. A systematic literature search was conducted, resulting in a total of 398 article titles and abstracts that were scrutinised for appropriateness to the present objective. Seventy articles were identified for full-text analysis, of which 36 met criteria for inclusion. Subjective perceptual experience of voices, such as loudness or location (i.e., inside/outside head), is similar in clinical and non-clinical groups, although clinical voice-hearers have more frequent voices, more negative voice content, and an older age of onset. Groups differ significantly in beliefs about voices, control over voices, voice-related distress, and affective difficulties. Cognitive biases, reduced global functioning, and psychiatric symptoms such as delusions, appear more prevalent in healthy voice-hearers than in healthy controls, yet less than in clinical samples. Transition to mental health difficulties is increased in HVHs, yet only occurs in a minority and is predicted by previous mood problems and voice distress. Whilst healthy voice hearers show similar brain activity during hallucinatory experiences to clinical voice-hearers, other neuroimaging measures, such as mismatch negativity, have been inconclusive. Risk factors such as familial and childhood trauma appear similar between clinical and non-clinical voice-hearers. Overall the results of the present systematic review support a continuum view rather than a diagnostic model, but cannot distinguish between 'quasi' and 'fully' dimensional models. Healthy voice-hearers may be a key resource in informing transdiagnostic approaches to research of auditory hallucinations. PMID- 27866085 TI - Cognitive bias modification of interpretation in children with social anxiety disorder. AB - Negative (or a lack of positive) interpretation of ambiguous social situations has been hypothesised to maintain social anxiety disorder in children, yet there is currently limited evidence to support this. Cognitive Bias Modification of Interpretation (CBM-I) provides a means to explore the causal influence of interpretation bias on social anxiety disorder, and has been associated with a reduction in social anxiety symptoms in adults. Seven to twelve year old children with a diagnosis of social anxiety disorder completed CBM-I training, adapted from materials designed for socially anxious children in the community, or no training. Effects on interpretation bias and social anxiety were assessed. The adapted CBM-I training was not associated with significant changes in benign or negative interpretation. Unsurprisingly given the lack of successful interpretation training, there were no significant changes in child or parent reported social anxiety symptoms, clinician-rated severity or diagnoses and change in interpretation was not significantly associated with change in social anxiety. These findings contrast with some studies with community populations although it is possible that more intensive CBM-I training is required to fully test this hypothesis among clinical groups. PMID- 27866086 TI - The role of postural instability/gait difficulty and fear of falling in predicting falls in non-demented older adults. AB - INTRODUCTION: Postural instability/gait difficulty (PIGD) and fear of falling (FoF) frequently co-exist, but their individual predictive values for falls have not been compared in aging. This study aims to determine both independent and combined effect of PIGD and FoF to falls in older adults without dementia. METHODS: PIGD and other extrapyramidal signs were systematically assessed in 449 community-dwelling participants without Parkinson's disease (76.48+/-6.61 ys; 56.8% female) enrolled in this longitudinal cohort study. Presence of FoF was measured by a single-item question (Do you have a FoF?) and self-confidence by the Activities-specific Balance Confidence scale (ABC scale). RESULTS: One hundred sixty-nine participants (38%) had an incident fall over a mean follow-up of 20.1+/-12.2months. PIGD was present in 32% and FoF in 23% of the participants. Both PIGD (adjusted hazard ratio (aHR): 2.28; p=0.016) and self-confidence (aHR: 0.99; p=0.040) predicted falls when entered simultaneously in the Cox model. However, presence of FoF (aHR: 1.99; p=0.021) and self-confidence (aHR: 0.98; p=0.006) predicted falls only in individuals with PIGD. CONCLUSIONS: PIGD and FoF were associated with future falls in older adults without dementia but FoF was a fall's predictor only in individuals with PIGD. PMID- 27866088 TI - Is ketogenic diet treatment hepatotoxic for children with intractable epilepsy? AB - PURPOSE: Long-term ketogenic diet (KD) treatment has been shown to induce liver steatosis and gallstone formation in some in vivo and clinical studies. The aim of this retrospective study was to evaluate the hepatic side effects of KD in epileptic children. METHOD: A total of 141 patients (mean age: 7.1+/-4.1years [2 18 years], 45.4% girls), receiving KD at least one year for intractable epilepsy due to different diagnoses (congenital brain defects, GLUT-1 deficiency, West syndrome, tuberous sclerosis, hypoxic brain injury, etc.) were included in the study. Serum triglyceride, cholesterol, aminotransferase, bilirubin, protein and albumin levels and abdominal ultrasonography were recorded before and at 1, 3, 6, and 12 months following after diet initiation. RESULTS: The mean duration of KD was 15.9+/-4.3months. At one month of therapy, three patients had elevated alanine and aspartate aminotransferase levels. These patients were receiving ketogenic diet for Doose syndrome, idiopathic epilepsy and GLUT-1 deficiency. Hepatosteatosis was detected in three patients at 6 months of treatment. Two of these patients were treated with KD for the primary diagnosis of tuberous sclerosis and one for Landau Kleffner syndrome. Cholelithiasis was detected in two patients at 12 months of treatment. They were receiving treatment for West syndrome and hypoxic brain injury sequelae. CONCLUSION: Long-term ketogenic diet treatment stimulates liver parenchymal injury, hepatic steatosis and gallstone formation. Patients should be monitored by screening liver enzymes and abdominal ultrasonography in order to detect these side effects. PMID- 27866087 TI - A predictive model for estimating regional skeletal muscle size by two-point dixon magnetic resonance imaging in healthy Koreans. AB - This study was undertaken to develop and cross-validate reference and individual predictive models for estimating functional thigh muscle cross-sectional area (TCSA) by 2-point Dixon magnetic resonance imaging (MRI). TCSAs of dominant sides at the mid-thigh level were measured by 2-point Dixon MRI (MRITCSA). Functional MRITCSA were compared with the predictive models in a sample of 92 younger (20-40 years; 28.55+/-4.87; n=50) and older (>65years; 71.22+/-4.82; n=42) Koreans. Lean body masses were measured by dual energy X-ray absorptiometry (DXALBM), and thigh isokinetic muscle strengths, extension peak torque at 60 degrees /sec, were measured using a Biodex(r) dynamometer (BiodexEPT). Multiple regression analysis generated the reference model (R2=0.75 and SEE=1472.63mm2 (8%)) as follows: The reference model: functional TCSA(mm2)=-1230.49+62.81*height+3061.78*gender 2692.57*age+58.91*weight. The individual model (R2=0.80, SEE=1158.34mm2 (7%)) was as follows: The individual model: functional TCSA(mm2)=1631.62+1.76* DXALBM+9.51*BiodexEPT where height is in centimeters; weight is in kilograms; for gender, female=0 and male=1; and for age, age under 40=1 and age over 65=2. PRESS statistics of R2 and SEE were 0.78 and 1382.98mm2 for the reference model, and 0.88 and 979.02mm2 for the individual model. The 2-point Dixon MRI appears to be valid for measuring functional muscle size. Our results suggest that the reference and individual models provide acceptable estimates of functional thigh muscle CSA in healthy Korean adults. Therefore, the models developed in the study could be useful as a research tool to establish indexes for functional muscle composition in healthy Koreans. PMID- 27866089 TI - Absence of epithelial atypia in B3-lesions of the breast is associated with decreased risk for malignancy. AB - INTRODUCTION: Lesions of uncertain malignant potential (B3) represent a heterogeneous group with an overall risk for malignancy of 9.85-35.1% after total resection. Positive predictive values (PPV) for malignancy vary depending on B3 subtype. The aim of this study was to evaluate the PPV for malignancy in B3 lesions and to determine the clinical significance of atypia-dependent sub classification (a = without epithelial atypia; b = with epithelial atypia) of B3 into B3a and B3b and papillary lesions (PL) in PLa and PLb. METHODS: 219 patients with histopathologically proven B3 lesions on core needle/vacuum-assisted biopsy who subsequently underwent diagnostic excision biopsy were included in this study. PPVs for malignancy were reported for B3 in general and all B3 sub categories. Logistic regression analysis identified associations between B3 subgroups and outcome after excision biopsy as well as the impact of clinical and diagnostic findings on excision diagnosis. RESULTS: The overall PPV rate was 10.0% (22/219). Excision histology exhibited a higher malignancy rate in PLb (2/7; PPV: 28.6%) than in PLa (6/127; PPV: 4.7%) (p = 0.057) and in B3b (12/50; PPV: 24.0%) compared to B3a category (8/165; PPV: 4.8%) (p < 0.001). DISCUSSION: These findings support the necessity of B3 lesion sub-classification into B3a and B3b and of PL into PLa and PLb when considering epithelial atypia. The determination of atypia status represents a relevant factor in risk stratification for clinical management of B3 lesions. Should future studies using the sub-classification of PL confirm these results, observation may be a safe option for the clinical management of patients with asymptomatic PLa lesions. PMID- 27866090 TI - Relationship between anxiety disorders and domains of health related quality of life among Nigerians with breast cancer. AB - PURPOSE: Health Related Quality of life (HRQoL) is increasingly recognised as an important indicator of outcome and well-being in oncology care. We set out in this study to evaluate whether significant association exists between anxiety disorders (ADs) and HRQoL in breast cancer, such that any intervention addressing ADs would potentially improve HRQoL. METHODS: A cross sectional evaluation of 200 attendees of an oncology clinic was done using designed questionnaire to gather socio-demographic and clinical data. Subsequently, the Schedule for clinical Assessment in Neuropsychiatry was used to ascertain ADs and the European Organization for Research and Treatment of Cancer QOL Questionnaire (THE EORTC QLQ-C30) Version 3 with its breast specific supplement (QLQ-BR-23) was used to profile HRQoL in participants. RESULTS: The mean age of participants was 49.6(+/ 11.2) years, and 54% of participants had stage III and IV breast cancer. Findings on EORTC QLQ-C30 following univariate analyses showed association between ADs and poorer mean scores on global health status, functional domains including physical, emotional, social, and cognitive functions (p < 0.05). On the symptom scale, those with ADs had higher symptom load including fatigue, pain, insomnia, appetite loss, diarrhoea and financial difficulties (p < 0.05). Similarly, the QLQ-BR-23 showed correlation between ADs and poorer mean scores on breast cancer specific issues like body image, future perspectives, sexual functioning, sexual enjoyment, systemic therapy side-effects, upset by hair loss and breast symptoms (p < 0.05). Findings after controlling for age, treatment, cancer duration, recurrence and stage showed the same pattern of relationship between ADs and HRQoL; however, the global health status, cognition, sexual functioning, and higher symptom load with respect to appetite loss and financial difficulties were not independently related with ADs. CONCLUSIONS: Scaling up of oncological services, supportive care and targeted psychosocial interventions are indicated for optimal outcome of breast cancer. Longitudinal research with focus on the complex relationship between HRQoL and ADs along with their modifiable determinants across the trajectories of breast cancer is warranted. PMID- 27866091 TI - A sensitivity and specificity comparison of fine needle aspiration cytology and core needle biopsy in evaluation of suspicious breast lesions: A systematic review and meta-analysis. AB - PURPOSE: Breast cancer detections for women with suspicious lesions mainly depend on two non-operative pathological tests-fine needle aspiration cytology (FNAC) and core needle biopsy (CNB). The aim of this systematic review was to compare the sensitivity and specificity of CNB and FNAC in this setting. METHODS: The data sources included MEDLINE, EMBASE, PubMed, and the Cochrane Central Register of Controlled Trials (CENTRAL) till February 2016. We included prospective series of studies which directly compared the accuracy of FNAC and CNB. We used forest plots to display the sensitivity and specificity of FNAC and CNB respectively. Pre-specified subgroup analyses and sensitivity analysis were conducted. RESULTS: Ultimately, 12 articles (1802 patients) were included in the final analysis. The pooled analysis shows that the sensitivity of CNB is better than that of FNAC [87% (95% CI, 84%-88%, I2 = 88.5%) versus 74% (95% CI, 72%-77%, I2 = 88.3%)] and the specificity of CNB is similar to that of FNAC [98% (95% CI, 96%-99%, I2 = 76.2%) versus 96% (95% CI, 94%-98%, I2 = 39.0%)]. For subgroup analysis, the sensitivities of both tests are better for palpable lesions than that of non palpable lesions. Sensitivity analysis shows the robustness of the primary analysis. CONCLUSION: Our study suggests that both of FNAC and CNB have good clinical performance. In similar circumstances, the sensitivity of CNB is better than that of FNAC, while their specificities are similar. FNAC could be still considered the first choice to evaluate suspicious nonpalpable breast lesions. PMID- 27866092 TI - Identify high risk estrogen receptor-positive breast cancer patients for extended endocrine therapy. AB - PURPOSE: To demonstrate the patterns of breast cancer-specific mortality (BCSM) in estrogen receptor (ER)-positive diseases and to identify high-risk candidates for extended endocrine therapy. METHODS: Using the Surveillance, Epidemiology and End Results database, we identified ER-positive patients diagnosed between 1990 and 2000 (cohort 1 [C1]) and between 2001 and 2005 (cohort 2 [C2]). The patterns of BCSM were calculated using Cox proportional hazard regression models. A risk classification model was developed, and X-tile software was used to divide patients with high BCSM rates into 3 risk groups. RESULTS: The annual BCSM rate of C2 was decreased by one-third and was maintained at 10-15 (per 1000 persons per year) from year 2 to year 10. Long-term mortality risks still persisted in C2, especially in patients with node-positive, grade 3 or T3 disease, who should be considered as "clinical-high-risk". These patients were further divided into 3 risk groups through our model: for C1, 42.2% were in the low-risk group, 38.9% in the medium-risk group, and 18.9% in the high-risk group; and for C2, 45.5% were in the low-risk group, 38.2% in the medium-risk group and 16.2% in the high-risk group (p < 0.001). The BCSM rates of the patients in each group within C2 decreased, and fewer patients in C2 were classified into the clinical high-risk group. CONCLUSION: ER-positive patients with node-positive, grade 3 or T3 diseases had sustained risks of death throughout the 10-year time frame, and our model is helpful to identify patients with high risk who are candidates for extended endocrine therapy. PMID- 27866093 TI - NSCA-1-a novel N-substituted coumalamide derivative-increases Adriamycin sensitivity in HepG2/adriamycin cells through modulating Akt/GSK-3beta signaling and p53-dependant apoptotic pathway. AB - Coumalamide derivatives are one of 2-pyrones derivatives, exerting multifunctional bioactivity. An array of coumalamide derivatives have been developed and presented good antiproliferative properties on cancer cells. However, the synthesis of 5-substituted coumalamide derivatives has not yet been published. Resistance to chemotherapeutic drugs is a major obstacle in hepatocellular carcinoma therapy. Recent evidence suggests that overexpression of constitutively active Akt confers on cancer cells resistance to chemotherapy. In this study, we report the synthesis and biological evaluation of a novel N substituted coumalamide derivative (NSCA-1). The results indicated that NSCA-1 exerts synergistic cytotoxicity with Adriamycin in HepG2/ADR (HepG2/adriamycin) cells. Furthermore, both of the Akt kinase activity and phosphorylated Akt (Ser473) were found to be inhibited by NSCA-1 and subsequently resulting in decreased phosphorylation of GSK-3beta. The intracellular accumulation of Adriamycin was also boosted by NSCA-1 via reducing the expression of p-gp. In addition, we found that combined treatment with NSCA-1 enhance cell apoptosis induced by Adriamycin via p53-dependant apoptotic pathway. PMID- 27866094 TI - (Neo)adjuvant treatment in localised soft tissue sarcoma: The unsolved affair. AB - Soft tissue sarcomas (STS) are rare and heterogeneous tumours. A correct definition of STS is imperative from the very beginning of disease management, to guide the diagnostic and imaging work-up, and help to establish the prognosis on which the therapeutic strategy will be based. Over the last few years, many efforts have been made to identify characteristics that could predict disease behaviour and to enrich the therapeutic armamentarium against the advanced disease, that is still characterised by poor prognosis. Surgery remains the milestone of treatment for localised STS, whereas many uncertainties regarding the role of adjuvant and neoadjuvant treatment persist. Some controlled evidence is available, but often conflicting and insufficient to make chemotherapy (CT) a standard practice and, currently, a common and shared strategy does not exist. The biggest question concerns the prospective identification of the subgroup of patients who would benefit the most from (neo)adjuvant therapies. In light of the growing understanding of different biologies and sensitivities of the various sarcoma subtypes, the value of histology in the selection of peri-operative treatments is one of the most intriguing topics under discussion. In this perspective, a new generation of neoadjuvant trials have been planned and are currently ongoing. The aim of this review was to rekindle interest in the long standing topic of (neo)adjuvant CT in localised STS, providing an update on its role in sarcomas' management and highlighting future directions and consequential factors needed to further improve outcomes in this disease. PMID- 27866095 TI - Continuing EGFR inhibition beyond progression in advanced non-small cell lung cancer. AB - The majority of patients with epidermal growth factor receptor (EGFR) mutant non small cell lung cancer (NSCLC) respond to first-line EGFR tyrosine kinase inhibitors (TKIs), but nearly all inevitably acquire resistance and develop disease progression. Conventional practice would be to switch treatments to second-line therapy. However, continuing TKIs beyond progression is becoming increasingly commonplace in patients with indolent, small volume asymptomatic growth, who may potentially continue to derive ongoing clinical benefit and to avoid a 'withdrawal tumour flare'. Nevertheless, there are limitations to our current criteria for assessing disease response, which are based on radiological assessments without considering symptomatic benefit, or the complex molecular and clinical heterogeneity of tumour growth and drug response patterns. In this article, we review the rationale for continuing EGFR inhibitors in patients with EGFR mutant NSCLC beyond disease progression and discuss strategies that have been pursued in the context of molecularly and clinically heterogeneous populations of tumour growth depending on the different clinical scenarios encountered. We discuss the management of systemic disease progression, including continuing EGFR TKIs alone, introducing a drug holiday, or combining TKIs with chemotherapy or other molecularly targeted agents. We also focus on approaches in managing patients with indolent, small volume asymptomatic growth (non-CNS oligometastatic disease progression) and those with oligometastatic EGFR mutant NSCLC with involvement of the central nervous system. We envision future precision medicine strategies through the use of next generation sequencing strategies of serial tumour rebiopsies and circulating plasma DNA to individualise the management for such patients during disease progression. PMID- 27866096 TI - Comparative effectiveness and safety of thalidomide and lenalidomide in patients with multiple myeloma in the United States of America: A population-based cohort study. AB - BACKGROUND: The comparative effectiveness of thalidomide and lenalidomide in the treatment of multiple myeloma has not been established. We conducted an observational cohort study of multiple myeloma patients receiving either thalidomide or lenalidomide in routine care in the United States of America to assess their comparative survival and rates of peripheral neuropathy. METHODS: Myeloma patients were identified and followed using administrative claims data from a large national health insurance provider (UnitedHealth). Patients were eligible if they initiated treatment with either lenalidomide or thalidomide between 2004 and 2013. Propensity score stratified Cox proportional hazards regression was used to estimate the hazard ratios (HR) and 95% confidence intervals (CI) for death and new-onset peripheral neuropathy (defined by International Classification of Disease, Ninth Revision codes or a new prescription intended to treat neuropathic pain). FINDINGS: Our cohort included 1264 myeloma patients who initiated either thalidomide or lenalidomide. Among 406 new users of thalidomide, 142 (35%) developed peripheral neuropathy during a mean 499 person-days of follow-up. Among 858 new users of lenalidomide, 244 (29%) developed neuropathy during 587 person-days. Compared with thalidomide initiators, lenalidomide initiators had a reduced risk of peripheral neuropathy (HR 0.71, 95% CI: 0.56-0.92). We found no difference in rates of death (HR 1.00, 95% CI: 0.71-1.41). INTERPRETATION: Our results agree with the findings of recently published trials suggesting that thalidomide and lenalidomide are equivalent with respect to survival outcomes but different with respect to neurotoxicity in clinical practice settings. PMID- 27866097 TI - Current therapy and the evolving molecular landscape of paediatric ependymoma. AB - Ependymomas are the third commonest paediatric central nervous system (CNS) tumour, accounting for 6-12% of brain tumours in children. The management of these tumours has seen considerable changes over the last two decades, leading to a significant improvement in outcomes. However, despite advances in neurosurgical, neuroimaging and postoperative adjuvant therapy, management of these tumours remain challenging, and recurrence occurs in over 50% of cases, particularly when complete resection is not achieved prior to conformal radiotherapy. To-date no chemotherapeutic regimen has proven to be of significant clinical benefit. Predicting tumour behaviour and defining robust correlates of disease outcome based on histopathology and clinical characteristics remains suboptimal. Paucity of cell lines, failure to develop ideal animal models of these tumours, have precluded better understanding of the oncogenic drivers, undermining development of targeted therapies. Over the last few years breakthrough in the understanding of the molecular biology, are now providing clues to therapeutic insights. It is clear that even with histopathological similarities, these are genetically heterogeneous tumours with diverse clinical outcomes. Rapid evolution of data based on genome-wide DNA methylation patterns, have now identified nine molecular subgroups in these tumours, across three anatomic compartments which include supratentorial (ST), posterior fossa (PF) and the spinal locations. More recently based on transcriptome profiling, two subgroups (group A and B) of PF ependymoma have been identified with distinct molecular, clinical characteristics and specific chromosomal aberrations. This review includes current management, evolving molecular biology and the shifting paradigm of treatment profile that targets molecular alterations in paediatric ependymoma. PMID- 27866098 TI - Study on the relationship of genotoxic and oxidative potential of a new mixed chelate copper antitumoral drug, Casiopeina II-gly (Cas II-gly) in Drosophila melanogaster. AB - The present study evaluates the superoxide dismutase (SOD) and catalase (CAT) activities in a wild strain of Drosophila melanogaster and the genotoxic potential induced by Cas II-gly (a new antineoplastic drug) using the somatic mutation and recombination test. Larvae 48h old were treated with Cas II-gly in a range of 0-1.5mM and aliquot were taken every 24h to have individuals treated for 24, 48, 72h and adulthood as well. A dose-dependent toxicity and a significant increase in SOD and CAT activities were found after a 24 and 48h treatment with 0.5-1.5mM concentrations. The comparison of the effect in enzymes with mutation indicated a positive correlation with increased genetic damage, after 24 and 48h of exposure for all concentrations tested. The addition of the genetic damage induced in each exposure time showed a significant effect, but only the small single spots had a concentration-related increase. PMID- 27866099 TI - How to image cell adhesion on soft polymers? AB - Here, we present a method to investigate cell adhesion on soft, non-conducting polymers that are implant candidate materials. Neuronal cells were grown on two elastomers (polydimethylsiloxane (PDMS) and Ecoflex(r)) and prepared for electron microscopy. The samples were treated with osmium tetroxide (OsO4) and uranylacetate (UrAc). Best results can be achieved when the polymers were coated with a thin iridium layer before the cell culture. This was done to emphasize the usage of soft polymers as supports for implant electrodes. A good contrast and the adhesion of the cells on soft polymers could be visualized. PMID- 27866100 TI - TEM illumination settings study for optimum spatial resolution and indexing reliability in crystal orientation mappings. AB - The spatial resolution and the indexing quality obtained with an automated orientation and phase mapping tool are analyzed for different Transmission Electron Microscope (TEM) illumination settings. The electron probe size and convergence angle are studied for two TEM configuration modes referred as microprobe and nanoprobe modes. Using a 10MUmC2 aperture in a FEI Tecnai F20 (S)TEM, the nanoprobe mode is used to get a small convergent electron beam while the microprobe mode provides a nearly parallel illumination at the cost of a larger probe size. The nanoprobe configuration enables to increase the spatial resolution (~1nm vs 3nm) but also affects the fraction of mis-indexed points (15% vs 1%). Indexing errors are attributed to the increase by a factor of three of the convergence angle with respect to the microprobe mode. While intermediate optimum settings may be found and are potentially achievable on electron microscopes providing a 'free lens' control or a larger choice of C2 apertures, it is emphasized that the spatial resolution cannot be considered without reference to the indexing quality and, consequently to the convergence angle. PMID- 27866101 TI - Decadal phytoplankton dynamics in response to episodic climatic disturbances in a subtropical deep freshwater ecosystem. AB - Information of the decadal timescale effects of episodic climatic disturbances (i.e., typhoons) on phytoplankton in freshwater ecosystems have received less attention and fewer seasonal evaluations partly due to the lack of long-term time series monitoring data in typhoon prevailing areas. Through field observations of a total 36 typhoon cases in a subtropical deep freshwater ecosystem in the period of 2005-2014, we quantified phytoplankton biomass, production and growth rate in response to meteorological and hydrological changes in the weeks before, during and after typhoons between summer and autumn, and also investigated the effects of typhoon characteristics on the aforementioned phytoplankton responses. The results showed that phytoplankton exposed to typhoon disturbances generally exhibited an increasing trend over the weeks before, during and after typhoons in summer but varied in autumn. The correlations and multivariate regressions showed different contributions of meteorological and hydrological variables to individual phytoplankton responses before, during and after typhoons between seasons. The post-typhoon weeks (i.e., within two weeks after a typhoon had passed) were especially important for the timeline of phytoplankton increases and with a detectable seasonal variation that the chlorophyll a concentration significantly increased in autumn whereas both primary production and growth rate were associated with significant changes in summer. Additionally, phytoplankton responses during the post-typhoon weeks were significantly different between discrete or continuous types of typhoon events. Our work illustrated the fact that typhoons did influence phytoplankton responses in the subtropical deep freshwater ecosystem and typhoon passages in summer and autumn affected the phytoplankton dynamics differently. Nevertheless, sustained and systematic monitoring in order to advance our understanding of the role of typhoons between seasons in the modulation of phytoplankton productivity and functioning is required because such episodic climatic disturbances are projected to have intense magnitude and inconsistent frequency under 21st century climate change. PMID- 27866102 TI - Variations in physical, chemical and biological properties in relation to sludge dewaterability under Fe (II) - Oxone conditioning. AB - The mechanism of Fe (II) - oxone conditioning to improve sludge dewaterability was investigated in this study. Five different types of sludge were tested, including raw sludge (Group 1: mixed primary and secondary sludge, waste activated sludge and anaerobic digested sludge) and pretreated sludge with prior solubilisation (Group 2: ultrasonic or thermal pretreated sludge). After Fe (II) oxone conditioning, the concentrations of dissolved organic carbon, protein and polysaccharide of soluble extracellular polymeric substances (SB EPS) increased for Group 1, but decreased for Group 2. For all types of sludge investigated, the related organic compounds of loosely bound (LB) and tightly bound (TB) EPS decreased with Fe (II) - oxone conditioning, and increased sludge filterability showed strong and positive correlation with the removal of low molecular weight protein and neutrals in LB EPS. Fe (II) - oxone was very effective in disintegrating cell membrane and caused potential cell lysis, as indicated by increased percentage of damaged microbial cells. From this study, the mechanism of Fe (II) - oxone conditioning was proposed and can be divided into two steps: (1) Oxidation step - sulfate radicals degraded organic compounds in LB and TB EPS in sludge and transformed bound water to free water that was trapped in TB and LB EPS; It also damaged cells membrane and may help to release intracellular water content. Sludge flocs were broken into smaller particles; (2) Coagulation step - Fe (III), generated from the oxidation step can act as a coagulant to agglomerate smaller particles into larger ones and reduce the repulsive electrostatic interactions. Combined effects from above two steps can greatly improve sludge filterability. PMID- 27866104 TI - Aquatic transformation of phosphite under natural sunlight and simulated irradiation. AB - The phototransformation of phosphite (HPO32-, H2PO3-, +3) from Lake Taihu water (THW) under natural sunlight was evaluated. No direct phosphite photoreaction was observed under sunlight. Suspended solids were shown to play important roles in the indirect photoreaction of phosphite in lake water. The phototransformation of phosphite followed pseudo-first-order reaction kinetics and the kinetics constants (k, d-1) decreased as: 0.0324 (original THW), 0.0236 (sterilized THW), 0.0109 (filtered THW) and 0.0102 (sterilized filtered THW). Original THW with 1 mmol L-1 NO3- added was used to simulate the phosphite removal in lakes with serious N pollution. The results showed that the phototransformation was accelerated (with k increased to 0.0386-0.0463 d-1), and sterilization or filtration shown little effect to the transformation, as the half-lives of phosphite drew closer. Under simulated irradiation in NO3- system, increasing NO3 concentration or decreasing pH value promoted phototransformation. The addition of Fe3+ or Fe2+ accelerated photooxidation, while the addition of Mn2+ or Cd2+ inhibited phototransformation. Br-, NO2- and HCO3- in environmental concentrations decreased phototransformation, and HCO3- showed the strongest inhibition. Suwannee River humic acid or Suwannee River fulvic acid strongly inhibited the photooxidation process, and the inhibiting effects varied with their structure. Phosphite photooxidation was strongly inhibited by adding isopropanol or sodium azide as reactive oxygen species (ROS) quenchers. Electron spin resonance analysis indicated that OH was a main oxidant produced in this system. The increased amount of phosphate coincided with the decreased amount of phosphite, which indicated that the transformation product of phosphite was phosphate. Phosphite is a considerable component of the P redox cycle in Lake Taihu. PMID- 27866103 TI - Enhanced MFC power production and struvite recovery by the addition of sea salts to urine. AB - Urine is an excellent fuel for electricity generation in Microbial Fuel Cells (MFCs), especially with practical implementations in mind. Moreover, urine has a high content in nutrients which can be easily recovered. Struvite (MgNH4PO4.6H2O) crystals naturally precipitate in urine, but this reaction can be enhanced by the introduction of additional magnesium. In this work, the effect of magnesium additives on the power output of the MFCs and on the catholyte generation is evaluated. Several magnesium sources including MgCl2, artificial sea water and a commercially available sea salts mixture for seawater preparation (SeaMix) were mixed with real fresh human urine in order to enhance struvite precipitation. The supernatant of each mixture was tested as a feedstock for the MFCs and it was evaluated in terms of power output and catholyte generation. The commercial SeaMix showed the best performance in terms of struvite precipitation, increasing the amount of struvite in the solid collected from 21% to 94%. Moreover, the SeaMix increased the maximum power performance of the MFCs by over 10% and it also changed the properties of the catholyte collected by increasing the pH, conductivity and the concentration of chloride ions. These results demonstrate that the addition of sea-salts to real urine is beneficial for both struvite recovery and electricity generation in MFCs. PMID- 27866105 TI - Pilot-scale removal and recovery of dissolved phosphate from secondary wastewater effluents with reusable ZnFeZr adsorbent @ Fe3O4/SiO2 particles with magnetic harvesting. AB - Advanced nanocomposite magnetic particles functionalized with ZnFeZr-adsorbent are developed, characterized and tested for the removal and recovery of phosphate directly from spiked secondary wastewater effluent (~10 mg/L PO4-P). The phosphate loaded particles can be extracted from the liquid phase via magnetic separation, regenerated in a NaOH solution where phosphate desorption takes place, and reused in numerous cycles. Laboratory experiments demonstrate their reusability and stability in 60 consecutive adsorption/desorption runs where under optimal conditions > 90% total P-recovery efficiency is reached. In addition, pilot tests are performed to verify the proof-of-concept by upscaling the technology and maintain high efficiency of phosphate removal and recovery after treating 1.5 m3 wastewater in 20 cycles. Effluent concentrations <0.05 mg/L PO4-P can be achieved in the treated wastewater. The reclaimed desorption solution is concentrated with phosphate ions through its repetitive application, attaining up to 38-times enrichment (~380 mg/L PO4-P) compared to the initial concentration in wastewater. The P-rich eluate is used as a source for subsequent precipitation of a solid fertilizer product such as struvite. PMID- 27866106 TI - Denitrification in an integrated bioelectro-photocatalytic system. AB - Since nitrate causes severe ecological and health risks, nitrate contamination of drinking water sources has become one of the most important water quality concerns all over the world. Photocatalytic reduction of nitrate to molecular nitrogen presents a promising approach to remove nitrate from drinking water sources. However, harmful intermediates like NO2-, NO, NO2 and N2O are usually formed, and metal loading or hole scavengers are generally needed to reduce the recombination of photo-generated electrons and holes, which will cause secondary pollution to drinking water. In this work, an efficient, selective and sustainable bioelectro-photocatalytic nitrate-reducing system by utilizing commercial TiO2 nanoparticles P25 as the photocatalyst and bio-electrons from microbial metabolism as the hole scavenger is reported. In this system, bio electrons extracted from organic substrates in bioanode are transferred to the photocathode through an external circuit for hole quenching. With the utilization of the residual photogenerated electrons, nitrate is completely reduced to nitrogen without accumulation of harmful nitrite or ammonium. The experimental results and the mechanistic analysis using the first-principles density functional theory calculations demonstrate that toxic by-products like nitrite or ammonium will not be accumulated in this system. Thus, this approach has a great potential for sustainable remediation of nitrate-contaminated drinking water sources. PMID- 27866107 TI - Perturbation-free measurement of in situ di-nitrogen emissions from denitrification in nitrate-rich aquatic ecosystems. AB - Increased production of reactive nitrogen (Nr) from atmospheric di-nitrogen (N2) has greatly contributed to increased food production. However, enriching the biosphere with Nr has also caused a series of negative effects on global ecosystems, especially aquatic ecosystems. The main pathway converting Nr back into the atmospheric N2 pool is the last step in the denitrification process. Despite several attempts, there is still a need for perturbation-free methods for measuring in situ N2 fluxes from denitrification in aquatic ecosystems at the field scale. Such a method is needed to comprehensively quantify the N2 fluxes from aquatic ecosystems. Here we observed linear relationships between the delta15N-N2O signatures and the logarithmically transformed N2O/(N2+N2O) emission ratios. Through independent measurements, we verified that the perturbation-free N2 flux from denitrification in nitrate-rich aquatic ecosystems can be inferred from these linear relationships. Our method allowed the determination of field scale in situ N2 fluxes from nitrate-rich aquatic ecosystems both with and without overlaying water. The perturbation-free in situ N2 fluxes observed by the new method were almost one order of magnitude higher than those by the sediment core method. The ability of aquatic ecosystems to remove Nr may previously have been severely underestimated. PMID- 27866108 TI - Clinical characteristics of critically ill patients with suspected influenza during the 2009-10 and 2013-14 outbreaks. AB - PURPOSE: Pandemic influenza A pdm09 (pH1N1) virus was the predominant isolate identified during the 2009-10 and 2013-14 influenza outbreaks, causing significant morbidity and mortality. We describe clinical characteristics of critically ill patients during 2 pH1N1 outbreaks. METHODS: Single-center, retrospective cohort study of patients admitted to the intensive care unit receiving oseltamivir for suspected influenza during 2 outbreak periods. Demographics and comorbidities were collected from the medical record. Outcomes included use of adjunct oxygenation therapies and oseltamivir dosing. RESULTS: One hundred twenty-four patients were included (2009, n=53; 2013, n=71). Demographics were as follows: mean (SD) age, 52.3 (14.2) years; mean (SD) Acute Physiology and Chronic Health Evaluation II score, 19.4 (9.2); 71% had greater than or equal to 2 comorbidities; and mortality was 27%. Inhaled nitric oxide was administered more commonly in 2009 (P=.01), whereas neuromuscular blockade (P=.02) and epoprostenol were administered more commonly in 2013 (P=.01). Patients in 2009 were more likely to receive high-dose oseltamivir (P=.02; odds ratio, 1.8; 95% confidence interval, 1.18-6.62). No differences in clinical outcomes were observed between 2009 and 2013. CONCLUSIONS: Use of adjunct oxygenation therapies and nontraditional antiviral dosing has changed significantly since the 2009 pandemic, although this has not resulted in a measurable impact on clinical outcomes. PMID- 27866109 TI - Magnitude of temperature elevation is associated with neurologic and survival outcomes in resuscitated cardiac arrest patients with postrewarming pyrexia. AB - PURPOSE: Avoidance of pyrexia is recommended in resuscitation guidelines, including after treatment with targeted temperature management (TTM). Which aspects of postresuscitation pyrexia are harmful and modifiable have not been conclusively determined. MATERIALS AND METHODS: This retrospective multicenter registry study collected serial temperatures during 72 hours postrewarming to assess the relationship between 3 aspects of pyrexia (maximum temperature, pyrexia duration, timing of first pyrexia) and neurologic outcome (primary) and survival (secondary) at hospital discharge. Adult TTM-treated patients from 13 US hospitals between 2005 and 2015 were included. RESULTS: One hundred seventy-nine of 465 patients had at least 1 temperature greater than or equal to 38 degrees C. Pyrexic temperatures were associated with better survival than nonpyrexic temperatures (adjusted odds ratio [aOR], 1.54; 95% confidence interval [CI], 1.00 2.35). Higher maximum temperature was associated with worse outcome (neurologic aOR, 0.30 [95% CI, 0.10-0.84]; survival aOR, 0.25 [95% CI, 0.10-0.59]) in pyrexic patients. There was no significant relationship between pyrexia duration and outcomes unless duration was calculated as hours greater than or equal to 38.8 degrees C, when longer duration was associated with worse outcomes (neurologic aOR, 0.86 [95% CI, 0.75-1.00]; survival aOR, 0.82 [95% CI, 0.72-0.93]). CONCLUSIONS: In postarrest TTM-treated patients, pyrexia was associated with increased survival. Patients experiencing postrewarming pyrexia had worse outcomes at higher temperatures. Longer pyrexia duration was associated with worse outcomes at higher temperatures. PMID- 27866111 TI - High-fidelity simulation: Teaching end-of-life care. AB - The American Nurses Association, American Association of Colleges of Nursing, and the Institute of Medicine of the National Academies are unified in the position that nursing education must prepare students to coordinate and perform end-of life (EOL) care. Yet, according to literature, undergraduate nursing education in EOL care remains inadequate. Following a review of literature indicating a need for more EOL instruction, a high-fidelity simulation activity is introduced and described. Included are guidelines for preparation, role assignment, integration of other professionals and family, and student reflection after the activity. Student evaluations indicate that the simulation is valuable and improves self efficacy in caring for the dying. By providing students with the opportunity to experience EOL in a low-risk, learning environment, a high-fidelity EOL simulation activity can help educators bridge the knowledge gap in nursing education. PMID- 27866112 TI - Protein-protein interactions: scoring schemes and binding affinity. AB - Protein-protein interactions mediate several cellular functions, which can be understood from the information obtained using the three-dimensional structures of protein-protein complexes and binding affinity data. This review focuses on computational aspects of predicting the best native-like complex structure and binding affinities. The first part covers the prediction of protein-protein complex structures and the advantages of conformational searching and scoring functions in protein-protein docking. The second part is devoted to various aspects of protein-protein interaction thermodynamics, such as databases for binding affinities and other thermodynamic parameters, computational methods to predict the binding affinity using either the three-dimensional structures of complexes or amino acid sequences, and change in binding affinities of the complexes upon mutations. We provide the latest developments on protein-protein docking and binding affinity studies along with a list of available computational resources for understanding protein-protein interactions. PMID- 27866113 TI - Small world brain network characteristics during EEG Holter recording of a stroke event. PMID- 27866110 TI - Dysbiosis in the intensive care unit: Microbiome science coming to the bedside. AB - Complex microbial communities within the human body, constituting the microbiome, have a broad impact on human health and disease. A growing body of research now examines the role of the microbiome in patients with critical illness, such as sepsis and acute respiratory failure. In this article, we provide an introduction to microbiome concepts and terminology and we systematically review the current evidence base of the critical-illness microbiome, including 51 studies in animal models and pediatric and adult critically ill patients. We further examine how this emerging scientific discipline may transform the way we manage infectious and inflammatory diseases in intensive care units. The evolving molecular, culture-independent techniques offer the ability to study microbial communities in unprecedented depth and detail, and in the short-term, may enable us to diagnose and treat infections in critical care more precisely and effectively. Longer term, these tools may also give us insights in the underlying pathophysiology of critical illness and reveal previously unsuspected targets for innovative, microbiome-targeted therapeutics. We finally propose a roadmap for future studies in the field for transforming critical care from its current isolated focus on the host to a more personalized paradigm addressing both human and microbial contributions to critical illness. PMID- 27866114 TI - Does relative or absolute EEG power have prognostic value in HIE setting? PMID- 27866115 TI - Rethinking blinking: No cognitive modulation of reflex eye protection in early onset blindness. PMID- 27866116 TI - Individuals with chronic hemiparetic stroke can correctly match forearm positions within a single arm. AB - OBJECTIVE: Previous studies determined, using between arms position matching assessments, that at least one-half of individuals with stroke have an impaired position sense. We investigated whether individuals with chronic stroke who have impairments mirroring arm positions also have impairments identifying the location of each arm in space. METHODS: Participants with chronic hemiparetic stroke and age-matched participants without neurological impairments (controls) performed a between forearms position matching task based on a clinical assessment and a single forearm position matching task, using passive and active movements, based on a robotic assessment. RESULTS: 12 out of our 14 participants with stroke who had clinically determined between forearms position matching impairments had greater errors than the controls in both their paretic and non paretic arm when matching positions during passive movements; yet stroke participants performed comparable to the controls during active movements. CONCLUSIONS: Many individuals with chronic stroke may have impairments matching positions in both their paretic and non-paretic arm if their arm is moved for them, yet not within either arm if these individuals control their own movements. SIGNIFICANCE: The neural mechanisms governing arm location perception in the stroke population may differ depending on whether arm movements are made passively versus actively. PMID- 27866118 TI - Pathological and physiological muscle co-activation during active elbow extension in children with unilateral cerebral palsy. AB - OBJECTIVE: To address the roles and mechanisms of co-activation in two flexor/extensor pairs during elbow extension in children with cerebral palsy (CP). METHODS: 13 Typically Developing (TD) and 13 children with unilateral spastic CP performed elbow extension/flexion at different speeds. Elbow angle and velocity were recorded using a 3D motion analysis system. The acceleration and deceleration phases of extension were analyzed. Co-activation of the brachioradialis/triceps and biceps/triceps pairs was computed for each phase from surface electromyographic signals. Statistical analysis involved linear mixed effects models and Spearman rank correlations. RESULTS: During the acceleration phase, there was strong co-activation in both muscle pairs in the children with CP, which increased with speed. Co-activation was weak in the TD children and it was not speed-dependent. During the deceleration phase, co-activation was strong and increased with speed in both groups; co-activation of brachioradialis/triceps was stronger in children with CP, and was negatively correlated with extension range and positively correlated with flexor spasticity. CONCLUSIONS: Abnormal patterns of co-activation in children with CP were found throughout the entire movement. Co-activation was specific to the movement phase and to each flexor muscle. SIGNIFICANCE: Co-activation in children with CP is both physiological and pathological. PMID- 27866117 TI - Distinguishing spinocerebellar ataxia with pure cerebellar manifestation from multiple system atrophy (MSA-C) through saccade profiles. AB - OBJECTIVE: Patients with spinocerebellar ataxia with pure cerebellar presentation (SCD) and multiple system atrophy (MSA-C) show similar symptoms at early stages, although cerebellofugal pathology predominates in SCD, and cerebellopetal pathology in MSA-C. We studied whether saccade velocity profiles, which reflect the accelerating and braking functions of the cerebellum, can differentiate these two disorders. METHODS: We recorded visually guided (VGS) and memory guided saccades (MGS) in 29 MSA-C patients, 12 SCD patients, and 92 age-matched normal subjects, and compared their amplitude, peak velocity and duration (accelerating and decelerating phases). RESULTS: Hypometria predominated in VGS and MGS of MSA C, whereas hypometria was less marked in SCD, with hypermetria frequently noted in MGS. Peak velocity was reduced, and deteriorated with advancing disease both in SCD and MSA-C groups at smaller target eccentricities. The deceleration phase was prolonged in SCD compared to MSA-C and normal groups at larger target eccentricities, which deteriorated with advancing disease. CONCLUSION: Saccades in MSA-C were characterized by a more prominent acceleration deficit and those in SCD by a more prominent braking defect, possibly caused by the cerebellopetal and cerebellofugal pathologies, respectively. SIGNIFICANCE: Saccade profiles provide important information regarding the accelerating and braking signals of the cerebellum in spinocerebellar ataxia. PMID- 27866121 TI - Isotopic composition analysis of dilute Pu solutions using 90-105keV region of gamma ray spectra. AB - Isotopic composition of dilute Pu solutions (1-3900MUg/mL) has been determined by analysis of HPGe detector response function in the 90-105keV region of gamma ray spectra. Results are in excellent agreement with that obtained from mass spectrometric measurements. The present method has been successfully applied for samples of low Pu concentrations, which otherwise is not possible using the conventional 120-415keV region of plutonium gamma ray spectra. PMID- 27866120 TI - Evidence-based guidelines on the therapeutic use of transcranial direct current stimulation (tDCS). AB - A group of European experts was commissioned by the European Chapter of the International Federation of Clinical Neurophysiology to gather knowledge about the state of the art of the therapeutic use of transcranial direct current stimulation (tDCS) from studies published up until September 2016, regarding pain, Parkinson's disease, other movement disorders, motor stroke, poststroke aphasia, multiple sclerosis, epilepsy, consciousness disorders, Alzheimer's disease, tinnitus, depression, schizophrenia, and craving/addiction. The evidence based analysis included only studies based on repeated tDCS sessions with sham tDCS control procedure; 25 patients or more having received active treatment was required for Class I, while a lower number of 10-24 patients was accepted for Class II studies. Current evidence does not allow making any recommendation of Level A (definite efficacy) for any indication. Level B recommendation (probable efficacy) is proposed for: (i) anodal tDCS of the left primary motor cortex (M1) (with right orbitofrontal cathode) in fibromyalgia; (ii) anodal tDCS of the left dorsolateral prefrontal cortex (DLPFC) (with right orbitofrontal cathode) in major depressive episode without drug resistance; (iii) anodal tDCS of the right DLPFC (with left DLPFC cathode) in addiction/craving. Level C recommendation (possible efficacy) is proposed for anodal tDCS of the left M1 (or contralateral to pain side, with right orbitofrontal cathode) in chronic lower limb neuropathic pain secondary to spinal cord lesion. Conversely, Level B recommendation (probable inefficacy) is conferred on the absence of clinical effects of: (i) anodal tDCS of the left temporal cortex (with right orbitofrontal cathode) in tinnitus; (ii) anodal tDCS of the left DLPFC (with right orbitofrontal cathode) in drug-resistant major depressive episode. It remains to be clarified whether the probable or possible therapeutic effects of tDCS are clinically meaningful and how to optimally perform tDCS in a therapeutic setting. In addition, the easy management and low cost of tDCS devices allow at home use by the patient, but this might raise ethical and legal concerns with regard to potential misuse or overuse. We must be careful to avoid inappropriate applications of this technique by ensuring rigorous training of the professionals and education of the patients. PMID- 27866123 TI - Effect of a dual-purpose cask payload increment of spent fuel assemblies from VVER 1000 Bushehr Nuclear Power Plant on basket criticality. AB - Dual-purpose casks can be utilized for dry interim storage and transportation of the highly radioactive spent fuel assemblies (SFAs) of Bushehr Nuclear Power Plant (NPP). Criticality safety analysis was carried out using the MCNP code for the cask containing 12, 18, or 19 SFAs. The basket materials of borated stainless steel and Boral (Al-B4C) were investigated, and the minimum required receptacle pitch of the basket was determined. PMID- 27866119 TI - Group III/IV locomotor muscle afferents alter motor cortical and corticospinal excitability and promote central fatigue during cycling exercise. AB - OBJECTIVE: To investigate the influence of group III/IV muscle afferents on the development of central fatigue and corticospinal excitability during exercise. METHODS: Fourteen males performed cycling-exercise both under control-conditions (CTRL) and with lumbar intrathecal fentanyl (FENT) impairing feedback from leg muscle afferents. Transcranial magnetic- and cervicomedullary stimulation was used to monitor cortical versus spinal excitability. RESULTS: While fentanyl blockade during non-fatiguing cycling had no effect on motor-evoked potentials (MEPs), cervicomedullary-evoked motor potentials (CMEPs) were 13+/-3% higher (P<0.05), resulting in a decrease in MEP/CMEP (P<0.05). Although the pre- to post exercise reduction in resting twitch was greater in FENT vs. CTRL (-53+/-3% vs. 39+/-3%; P<0.01), the reduction in voluntary muscle activation was smaller (-2+/ 2% vs. -10+/-2%; P<0.05). Compared to the start of fatiguing exercise, MEPs and CMEPs were unchanged at exhaustion in CTRL. In contrast, MEPs and MEP/CMEP increased 13+/-3% and 25+/-6% in FENT (P<0.05). CONCLUSION: During non-fatiguing exercise, group III/IV muscle afferents disfacilitate, or inhibit, spinal motoneurons and facilitate motor cortical cells. In contrast, during exhaustive exercise, group III/IV muscle afferents disfacilitate/inhibit the motor cortex and promote central fatigue. SIGNIFICANCE: Group III/IV muscle afferents influence corticospinal excitability and central fatigue during whole-body exercise in humans. PMID- 27866122 TI - Synthesis, characterization and radiolabeling of folic acid modified nanostructured lipid carriers as a contrast agent and drug delivery system. AB - Nanostructured lipid carriers (NLCs) are the new generation of solid lipid drug delivery systems. Their suitability as contrast agents for gamma scintigraphy is an attracting major attention. The aim of current study was to prepare surface modified nanostructured lipid carrier system for paclitaxel (PTX) with active targeting and imaging functions. In accordance with the purpose of study, PTX loaded nanostructured lipid carriers (NLCs) prepared, modified with a folate derivative and radiolabeled with technetium-99m tricarbonyl complex (99mTc(CO)3+). Cellular incorporation ratios of radiolabeled nanoparticles (99mTc(CO)3-PTX-NLC) were investigated in vitro on three cancer cell lines. Additionally in vivo animal studies conducted to evaluate biological behavior of 99mTc(CO)3-PTX-NLC on female Wistar Albino rats. Biodistribution results showed that the folate derivative modified 99mTc(CO)3-PTX-NLC had considerably higher uptake in folate receptor positive organs. The data obtained from present study could be useful in the design of biodegradable drug carriers of PTX and folate receptor based tumor imaging agents. PMID- 27866124 TI - A method for determining Am-241 activity for large area contamination. AB - Airborne gamma-ray spectrometry system HELINUCTM is used for different missions. Although well-developed for estimation of high energy emitters' activity, it is rarely used for low energy emitters. A new method for the determination of Am-241 activity over extended sites based both on statistical analysis of spectra and deconvolution of Am-241 signal with a reference library is presented. Results show a lowering of the detection threshold and a good agreement with ground level measurements. PMID- 27866125 TI - Roles of pre-mRNA splicing and polyadenylation in plant development. AB - Plants possess amazing plasticity of growth and development, allowing them to adjust continuously and rapidly to changes in the environment. Over the past two decades, numerous molecular studies have illuminated the role of transcriptional regulation in plant development and environmental responses. However, emerging studies in Arabidopsis have uncovered an unexpectedly widespread role for post transcriptional regulation in development and responses to environmental changes. In this review, we summarize recent discoveries detailing the contribution of two post-transcriptional mechanisms, pre-mRNA splicing and polyadenylation, to the regulation of plant development, with an emphasis on the control of flowering time. We also discuss future directions in the field and new technological approaches. PMID- 27866126 TI - Peer review at EuroIntervention - a rough guide and an expression of thanks. PMID- 27866127 TI - Prevention of coronary microvascular plugging: the next target in STEMI? PMID- 27866128 TI - Bleeding in STEMI with staged multivessel PCI: is it truly benign? PMID- 27866129 TI - Long-term outcomes after Resolute zotarolimus-eluting stent implantation in patients with ST-segment elevation acute myocardial infarction: insights from the RESOLUTE All Comers Trial and the RESOLUTE Global Clinical Trial Program. AB - AIMS: We examined long-term outcomes after implantation of the Resolute zotarolimus-eluting stent (R-ZES) in ST-segment elevation acute myocardial infarction (STEMI) patients. METHODS AND RESULTS: We compared long-term outcomes of STEMI patients undergoing primary angioplasty <12 hours from symptom onset who were randomised to the R-ZES (n=122) or the everolimus-eluting stent (EES, n=158) in the RESOLUTE All Comers Trial after propensity score adjustment. The five-year cumulative incidence of target lesion failure (TLF) was 7.6% versus 10.4% among patients treated with R-ZES versus EES, respectively, (adjusted p=0.304), and comprised clinically driven target lesion revascularisation (TLR, 2.5% versus 2.0%, adjusted p=0.766) and cardiac death/target vessel MI (5.1% versus 9.1%, adjusted p=0.123). The five-year cumulative incidence of stent thrombosis was 0.8% for R-ZES patients versus 1.3% for EES patients (adjusted p=0.868). In the RESOLUTE Global Clinical Trial Program, excluding RESOLUTE All Comers, the three year cumulative incidence of TLF with R-ZES was 9.8% and comprised 7.0% clinically driven TLR and 4.5% cardiac death/target vessel MI. CONCLUSIONS: Patients with STEMI who received R-ZES had excellent long-term clinical outcomes which were similar to those of patients who received EES. PMID- 27866130 TI - Outcomes of stenting extra-small (<=2.25 mm) vessels using the Resolute zotarolimus-eluting stent (R-ZES). AB - AIMS: We assessed long-term outcomes in patients with extra-small (XS) (<=2.25 mm) and small vessels (SV) (>2.25-2.75 mm) treated with the Resolute zotarolimus eluting stent (R-ZES). METHODS AND RESULTS: Data from eight studies including patients with XS or SV were pooled for this analysis. Among 2,141 patients (837 XS, 1,304 SV), three-year cumulative major adverse cardiac events (15.4% vs. 11.5%; adj. HR [95% CI]: 1.3 [1.0, 1.7], p=0.12), target lesion failure (12.4% vs. 9.3%, adj. HR: 1.1 [0.8, 1.5], p=0.56), and target lesion revascularisation (TLR: 6.9% vs. 4.5%, adj. HR 1.4 [0.9, 2.1], p=0.17) were greater in the XS cohort but were not significantly different after propensity adjustment. Target vessel revascularisation occurred more frequently in XS patients in both unadjusted and adjusted analyses (11.2% vs. 7.6%, adj. HR: 1.5 [1.1, 2.1], p=0.02). Stent thrombosis was low in both cohorts (1.2% vs. 0.6%, p=0.09). In the XS cohort, insulin-dependent diabetics had over twofold higher rates of TLR than non-diabetics (13.6% vs. 6.0%, p=0.02). CONCLUSIONS: Long-term lesion-specific results among patients with XS vessels treated with the R-ZES were not significantly different from those among patients with SV, but specific patients with XS vessels (e.g., insulin-dependent diabetics) may remain at high risk for TLR. PMID- 27866131 TI - Ruptured "non-culprit" in-stent neoatherosclerosis during ST-segment elevation acute myocardial infarction. PMID- 27866132 TI - A tool for predicting the outcome of reperfusion in ST-elevation myocardial infarction using age, thrombotic burden and index of microcirculatory resistance (ATI score). AB - AIMS: Restoration of effective myocardial reperfusion by primary percutaneous coronary intervention (PPCI) in patients with ST-elevation myocardial infarction is difficult to predict. A method to assess the likelihood of a suboptimal response to conventional pharmacomechanical therapies could be beneficial. We aimed to derive and validate a scoring system that can be used acutely at the time of coronary reopening to predict the likelihood of downstream microvascular impairment in patients with STEMI. METHODS AND RESULTS: A score estimating the risk of post-procedural microvascular injury defined by an index of microcirculatory resistance (IMR) >40 was initially derived in a cohort of 85 STEMI patients (derivation cohort). This score was then tested and validated in three further cohorts of patients (retrospective [30 patients], prospective [42 patients] and external [29 patients]). The ATI score (age [>50=1]; pre-stenting IMR [>40 and <100=1; >=100=2]; thrombus score [4=1; 5=3]) was highly predictive of a post-stenting IMR >40 in all four cohorts (AUC: 0.87; p<0.001-derivation cohort, 0.84; p=0.002-retrospective cohort, 0.92; p<0.001-prospective cohort and 0.81; p=0.006-external cohort). In the whole population, an ATI score >=4 presented a 95.1% risk of final IMR >40, while no cases of final IMR >40 occurred in the presence of an ATI score <2. CONCLUSIONS: The ATI score appears to be a promising tool capable of identifying patients during PPCI who are at the highest risk of coronary microvascular impairment following revascularisation. This procedural risk stratification has a number of potential research and clinical applications and warrants further investigation. PMID- 27866133 TI - Bleeding episodes in "complete, staged" versus "culprit only" revascularisation in patients with multivessel disease and ST-segment elevation myocardial infarction: a DANAMI-3-PRIMULTI substudy. AB - AIMS: The aim of this study was to evaluate whether a staged in-hospital complete revascularisation strategy increases the risk of serious bleeding events in patients with ST-segment elevation myocardial infarction (STEMI) and multivessel disease. METHODS AND RESULTS: The DANAMI-3-PRIMULTI trial investigated whether a staged in-hospital complete revascularisation strategy improved outcome in patients with STEMI and multivessel disease. In this substudy, we investigated potential bleeding complications related to a second in-hospital procedure. Bleedings were assessed using BARC and TIMI criteria. Six hundred and twenty seven (627) patients were randomised 1:1 to either PCI of the infarct-related artery (IRA) only (n=313) or complete revascularisation during a staged procedure before discharge (n=314). We found no significant difference in TIMI major+minor bleedings related to the primary PCI. There were neither major nor minor bleedings in relation to the second procedure in the complete revascularisation arm. There were significantly more in-hospital minimal+medical attention bleedings in the group randomised to complete revascularisation (61.5% vs. 49.5% in the IRA-PCI only group, p=0.003), but no difference in admission time or one year mortality (2.2% complete revascularisation-group vs. 2.6% IRA-PCI only group, p=0.8). CONCLUSIONS: In multivessel diseased STEMI patients, a staged complete in-hospital revascularisation strategy or any second in-hospital procedure did not result in an increase in serious bleeding events. PMID- 27866134 TI - One-year clinical outcomes of patients treated with everolimus-eluting bioresorbable vascular scaffolds versus everolimus-eluting metallic stents: a propensity score comparison of patients enrolled in the ABSORB EXTEND and SPIRIT trials. AB - AIMS: We sought to compare the outcomes of low/moderate complexity patients treated with the Absorb BVS from the ABSORB EXTEND trial with patients treated with the XIENCE everolimus-eluting stent (EES), using propensity score (PS) matching of pooled data from the SPIRIT trials (SPIRIT II, SPIRIT III, SPIRIT IV) and the XIENCE V USA trial. METHODS AND RESULTS: ABSORB EXTEND was a prospective, single-arm, open-label clinical study in which 812 patients were enrolled at 56 sites. This study allowed the treatment of lesions <=28 mm in length and with a reference vessel diameter of 2.0-3.8 mm (as assessed by online QCA). The propensity score was obtained by fitting a logistic regression model with the cohort indicator as the binary outcome and other variables as the predictor variables. At one-year clinical follow-up, there was no statistical difference between groups with regard to MACE (5.0% vs. 4.8%, p=0.83), target lesion failure (5.0% vs. 4.7%, p=0.74), ischaemia-driven target vessel revascularisation (2.3% vs. 3.0%, p=0.38) and device thrombosis (1.0% vs. 0.3%, p=0.11). Myocardial infarction was higher with Absorb (3.3% vs. 1.5%, p=0.02), at the expense of periprocedural CK-MB elevation. Independent predictors of MACE among patients receiving Absorb BVS were treatment of multivessel disease, insulin-dependent diabetes and performance of post-dilation. CONCLUSIONS: At one-year follow-up, propensity score-matched analysis demonstrated that the clinical safety and effectiveness of Absorb are comparable to those of XIENCE EES among non-complex patients treated with PCI. PMID- 27866135 TI - Endothelial dysfunction and the occurrence of radial artery spasm during transradial coronary procedures: the ACRA-Spasm study. AB - AIMS: The aim of this study was to analyse the relation between endothelial dysfunction (ED) and the occurrence of radial artery spasm (RAS) during transradial coronary procedures. METHODS AND RESULTS: From May 2014 to June 2015, endothelial function was assessed by EndoPAT and FMD before the procedure in 165 patients referred for coronary angiography or intervention. The primary endpoint was RAS, defined by patient's symptoms and procedural characteristics. The mean age of the study population was 63 years and 71% were male. In total 16% of the patients experienced RAS. The incidence of RAS did not differ between patients with and without ED (13.8% vs. 20.2%, OR 0.63, 95% CI: 0.25-1.58, p=0.32). The strongest predictors of RAS were a ratio of radial artery inner diameter and sheath outer diameter smaller than 1 (OR 4.7, 95% CI: 1.35-16.5, p=0.009) and a combination of clinical characteristics presented as an RAS risk score of at least 4 (p=0.007, OR 3.7, 95% CI: 1.37-9.89). CONCLUSIONS: Endothelial dysfunction was not found to be a predictor of the occurrence of radial artery spasm in a cohort of patients undergoing elective heart catheterisation. Radial artery-sheath mismatch is the strongest pre-procedural predictor of RAS. PMID- 27866136 TI - Biodegradable polymer-based, argatroban-eluting, cobalt-chromium stent (JF-04) for treatment of native coronary lesions: final results of the first-in-man study and lessons learned. AB - AIMS: The aim of the study was to investigate the six-month angiographic and nine month clinical follow-up outcomes in a first-in-man study using the biodegradable polymer-based cobalt-chromium argatroban-eluting stent (JF-04) for treatment of native coronary atherosclerotic lesions. METHODS AND RESULTS: A total of 31 patients with either stable or unstable angina, or silent myocardial ischaemia, exhibiting de novo coronary lesions were enrolled at seven Japanese sites. The lesions were treated with the JF-04 stent after predilatation. The primary endpoint was angiographic in-stent late loss six months after implantation. The secondary endpoints included angiographic restenosis and in-stent volume obstruction by intravascular ultrasound at six months and target vessel failure (TVF) at nine months. Procedural success was achieved in 100% of cases. At six months, angiographic in-stent late loss was 1.01+/-0.48 mm and binary restenosis was observed in nine cases (29.0%). Among these restenotic cases, most (n=8) demonstrated advanced angiographic restenosis patterns, including diffuse/proliferative restenosis and total occlusion. At nine months, TVF was observed in four cases (12.9%), exclusively attributed to target vessel revascularisation. CONCLUSIONS: This argatroban-eluting stent failed to inhibit neointimal hyperplasia sufficiently, despite the theoretical benefits and promising clinical experience with local drug delivery. PMID- 27866137 TI - Clinical and multimodality imaging results at 6 months of a bioresorbable sirolimus-eluting scaffold for patients with single de novo coronary artery lesions: the NeoVas first-in-man trial. AB - AIMS: The study sought to investigate clinical and multimodality imaging assessment of a bioresorbable sirolimus-eluting scaffold (NeoVas, Lepu Medical, Beijing, China) for patients with single de novo coronary artery lesions. METHODS AND RESULTS: The NeoVas first-in-man study was a prospective, open-label study which enrolled 31 patients with single de novo lesions treated with a bioresorbable sirolimus-eluting scaffold. The primary endpoint was target lesion failure (TLF), a composite of cardiac death, target vessel myocardial infarction and clinically indicated target lesion revascularisation (TLR). Angiography, intravascular ultrasound (IVUS) and optical coherence tomography (OCT) imaging were performed at baseline and six months. Procedural success and device success were 100% (31/31 patients). At six months, the rate of TLF was 3.2%, with only one patient having clinically indicated TLR. No scaffold thrombosis was observed. The angiographic six-month in-scaffold late loss was 0.26+/-0.32 mm. The minimal scaffold area decreased from 7.11+/-1.56 mm2 post procedure to 6.74+/-1.38 mm2 at six months, as measured by IVUS. The OCT results showed that the neointimal hyperplasia area was low (1.56+/-0.46 mm2), with a high proportion of scaffold strut coverage (95.7%). CONCLUSIONS: This first-in-man study shows feasibility, promising clinical and multimodality imaging results up to six months for the NeoVas bioresorbable sirolimus-eluting scaffold in the treatment of patients with simple de novo lesions, with an acceptable in-scaffold late loss, low neointimal hyperplasia, and a high percentage of scaffold strut coverage. PMID- 27866138 TI - Coronary covered stents. AB - Covered stents offer an effective bail-out strategy in vessel perforations, are an alternative to surgery for the exclusion of coronary aneurysms, and have a potential role in the treatment of friable embolisation-prone plaques. The aim of this manuscript is to offer an overview of currently available platforms and to report results obtained in prior studies. PMID- 27866139 TI - Triple orifice as a novel strategy in interventional reconstruction of a mitral pseudo cleft. PMID- 27866140 TI - One-year outcomes with two suture-mediated closure devices to achieve access-site haemostasis following transfemoral transcatheter aortic valve implantation. AB - AIMS: In the current study we assess the impact of two different access-site suture-mediated closure devices (SMCD), ProGlide and Prostar, on vascular and bleeding complications after transfemoral transcatheter aortic valve implantation (TAVI), as well as on long-term mortality. METHODS AND RESULTS: From 2008 to 2013, 1,022 patients underwent transfemoral TAVI in two German centres using ProGlide (n=506) and Prostar (n=516) SMCD to close the access site. The primary outcome was the incidence of peri-TAVI major vascular complications according to Valve Academic Research Consortium-2 (VARC-2) definitions. Secondary outcomes were the incidence of bleeding complications and mortality. Compared to the Prostar SMCD group, patients in the ProGlide SMCD group less frequently experienced VARC-2 major vascular complications (7.5% vs. 15.9%, p<0.001), closure device failure (0.8% vs. 2.3%, p=0.04), any bleeding (BARC: 36.8% vs. 53.9%, p<0.001; VARC-2: 30.8% vs. 34.9%, p=0.59). Furthermore, one-year mortality was significantly lower in the ProGlide SMCD group, 14.8% vs. 19.5% in the Prostar SMCD group, log-rank p=0.04. However, VARC-2 major vascular complications but not ProGlide use were identified as an independent predictor of one-year mortality (adjusted odds ratio 1.54, 95% CI: 1.01-2.34 and 1.01, 95% CI: 0.65 1.55, respectively). CONCLUSIONS: In this analysis, the use of ProGlide SMCD was associated with a reduced risk of vascular and bleeding complications following TAVI compared to Prostar SMCD usage. However, major vascular complications but not ProGlide use did independently predict long-term mortality. PMID- 27866141 TI - Transapical aortic stenting: an initial case series. AB - AIMS: The standard approach for thoracic endovascular aortic repair (TEVAR) is transfemoral; however, calcifications and tortuosity of the access vessels might be so extensive as to increase the operative risk markedly or preclude the procedure. This study evaluates the transapical approach as an alternative route for TEVAR in such patients. METHODS AND RESULTS: From June 2011 to July 2013, the institution's interdisciplinary board for aortic diseases initially denied TEVAR for eight patients with thoracic aortic pathology due to extensive calcification and tortuosity of the distal vessels. The transapical approach was suggested and approved by the board. All procedures were performed in a hybrid operating room through a left mini-thoracotomy. The stent grafts were implanted in either the proximal descending or the ascending aorta. The deployment was performed under rapid ventricular pacing. Procedural success was 100%. There were no intraoperative complications. One patient needed re-exploration. There was no 30 day mortality. In follow-up, one patient suffered type 1B endoleak, which required surgery after one year. CONCLUSIONS: The transapical approach for TEVAR (TaTEVAR) is a feasible option for patients with distal aorta/iliac vessels unsuitable for transfemoral access. It might be even more beneficial for TEVAR of the ascending aorta. PMID- 27866142 TI - Overstepping anatomical hurdles when opening an extremely rudimentary right ventricular outflow tract - greater safety via a hybrid strategy? PMID- 27866143 TI - How should I treat renal artery in-stent restenosis and stent fracture after endovascular abdominal aortic aneurysm repair? PMID- 27866144 TI - Instilling fear makes good business sense: unwarranted hysterectomies in Karnataka. AB - This paper uses data from two fact-finding exercises in two districts of Karnataka to trace how government and private doctors alike pushed women to undergo hysterectomies. The doctors provided grossly unscientific information to poor Dalit women to instil a fear of "cancer" in their minds to wilfully mislead them to undergo hysterectomies, following which many suffered complications and died. The paper examines a review, made by two separate panels of experts, of women's medical records from private hospitals to illustrate that a large proportion of the hysterectomies performed were medically unwarranted; that private doctors were using highly suspect diagnostic criteria, based on a single ultrasound scan, to perform the hysterectomies and had not sent even a single sample for histopathology; and that the medical records were incomplete, erroneous and, in several instances, manipulated. The paper describes how a combination of patriarchal bias, professional unscrupulousness and pro-private healthcare policies posed a serious threat to the survival and well-being of women in Karnataka. PMID- 27866145 TI - Cosmetic limb lengthening in a patient of normal stature: ethical considerations. AB - Recently, a 23-year-old male patient underwent cosmetic limb lengthening, despite the fact that his height was that of the average Indian male (5 feet 7 inches). The patient's parents and the media criticised the orthopaedic surgeon who had performed the surgery for undertaking an unethical operation. This paper discusses the relevant clinical evidence, ethical aspects and ethical theories surrounding the case. We conclude that the surgeon's decision to perform the surgery seems to be fair and appropriate from the ethical and clinical perspectives. PMID- 27866146 TI - Hearing Preservation After Penetrating Cochlear Injury. AB - OBJECTIVES: To share results and recommendations for management of penetrating cochlear injury. METHODS: A patient underwent repair of a penetrating cochlear injury after a projectile led to a traumatic cochleostomy with a narrow miss of the facial nerve and intracranial carotid artery. RESULTS: Postoperatively, the patient's audiogram demonstrated a pure tone average of 47.5 dB for air conduction and 35 dB for bone conduction, worse in the high frequencies, with a Word Recognition Score of 76%. CONCLUSIONS: Hearing loss from a penetrating cochlear injury can be mitigated with early repair, minimizing inner ear trauma, and steroid use to treat posttraumatic labyrinthitis. PMID- 27866147 TI - Benefits, Potential Harms, and Optimal Use of Nutritional Supplementation for Preventing Progression of Age-Related Macular Degeneration. AB - OBJECTIVE: To briefly review age-related macular degeneration (AMD), the main findings from the Age Related Eye Disease Study (AREDS) report number 8 on the use of nutritional supplements for AMD, and to focus on data suggesting that supplement use should be guided using genetic testing of AMD risk genes. DATA SOURCES: A literature search (January 2001 through October 26, 2016) was conducted using MEDLINE and the following MeSH terms: Antioxidants/therapeutic use, Genotype, Macular Degeneration/drug therapy, Macular degeneration/genetics, Dietary Supplements, Proteins/genetics, and Zinc Compounds/therapeutic use. Bibliographies of publications identified were also reviewed. STUDY SELECTION AND DATA EXTRACTION: English-language studies assessing AREDS supplement response in patients with AMD in relation to complement factor H gene ( CFH) and age-related maculopathy susceptibility 2 gene ( ARMS2) risk alleles were evaluated. DATA SYNTHESIS: Three of the 4 studies demonstrated a treatment interaction between ARMS2 and CFH genotypes and a differential response to supplements. The fourth study documented an interaction for the CFH genotype only. Reported response interactions included attenuated response, no response, and good response, whereas a subset showed increased progression of AMD. Conversely, one study reported no interactions between CFH and ARMS2 risk alleles and response to supplements. CONCLUSIONS: The weight of the evidence supports using genetic testing to guide selection of ocular vitamin use. This approach will avoid using supplements that could speed the progression of AMD in vulnerable patients, avoid using supplements that will have little to no effect in others, and result in appropriately using supplements in those that are likely to derive meaningful benefits. PMID- 27866148 TI - Identification of Genes Mediating Drosophila Follicle Cell Progenitor Differentiation by Screening for Modifiers of GAL4::UAS Variegation. AB - The Drosophila melanogaster ovarian follicle cell lineage provides a powerful system for investigating how epigenetic changes contribute to differentiation. Downstream from an epithelial stem cell, follicle progenitors undergo nine mitotic cell cycles before transitioning to the endocycle and initiating differentiation. During their proliferative phase, follicle progenitors experience Lsd1-dependent changes in epigenetic stability that can be monitored using GAL4::UAS variegation. Eventually, follicle progenitors acquire competence to respond to Delta, a Notch ligand present in the environment, which signals them to cease division and initiate differentiation. The time required to acquire competence determines the duration of mitotic cycling and hence the final number of follicle cells. We carried out a screen for dominant modifiers of variegation spanning nearly 70% of Drosophila euchromatin to identify new genes influencing follicle progenitor epigenetic maturation. The eight genes found include chromatin modifiers, but also cell cycle regulators and transcription factors. Five of the modifier genes accelerate the acquisition of progenitor competence and reduce follicle cell number, however, the other three genes affect follicle cell number in an unexpected manner. PMID- 27866149 TI - Correlations of Genotype with Climate Parameters Suggest Caenorhabditis elegans Niche Adaptations. AB - Species inhabit a variety of environmental niches, and the adaptation to a particular niche is often controlled by genetic factors, including gene-by environment interactions. The genes that vary in order to regulate the ability to colonize a niche are often difficult to identify, especially in the context of complex ecological systems and in experimentally uncontrolled natural environments. Quantitative genetic approaches provide an opportunity to investigate correlations between genetic factors and environmental parameters that might define a niche. Previously, we have shown how a collection of 208 whole-genome sequenced wild Caenorhabditis elegans can facilitate association mapping approaches. To correlate climate parameters with the variation found in this collection of wild strains, we used geographic data to exhaustively curate daily weather measurements in short-term (3 month), middle-term (one year), and long-term (three year) durations surrounding the date of strain isolation. These climate parameters were used as quantitative traits in association mapping approaches, where we identified 11 quantitative trait loci (QTL) for three climatic variables: elevation, relative humidity, and average temperature. We then narrowed the genomic interval of interest to identify gene candidates with variants potentially underlying phenotypic differences. Additionally, we performed two-strain competition assays at high and low temperatures to validate a QTL that could underlie adaptation to temperature and found suggestive evidence supporting that hypothesis. PMID- 27866151 TI - Genotyping-by-Sequencing-Based Investigation of the Genetic Architecture Responsible for a ~Sevenfold Increase in Soybean Seed Stearic Acid. AB - Soybean oil is highly unsaturated but oxidatively unstable, rendering it nonideal for food applications. Until recently, the majority of soybean oil underwent partial chemical hydrogenation, which produces trans fats as an unavoidable consequence. Dietary intake of trans fats and most saturated fats are conclusively linked to negative impacts on cholesterol levels and cardiovascular health. Two major soybean oil breeding targets are: (1) to reduce or eliminate the need for chemical hydrogenation, and (2) to replace the functional properties of partially hydrogenated soybean oil. One potential solution is the elevation of seed stearic acid, a saturated fat which has no negative impacts on cardiovascular health, from 3 to 4% in typical cultivars to > 20% of the seed oil. We performed QTL analysis of a population developed by crossing two mutant lines, one with a missense mutation affecting a stearoyl-acyl-carrier protein desaturase gene resulting in ~11% seed stearic acid crossed to another mutant, A6, which has 24-28% seed stearic acid. Genotyping-by-sequencing (GBS)-based QTL mapping identified 21 minor and major effect QTL for six seed oil related traits and plant height. The inheritance of a large genomic deletion affecting chromosome 14 is the basis for largest effect QTL, resulting in ~18% seed stearic acid. This deletion contains SACPD-C and another gene(s); loss of both genes boosts seed stearic acid levels to >= 18%. Unfortunately, this genomic deletion has been shown in previous studies to be inextricably correlated with reduced seed yield. Our results will help inform and guide ongoing breeding efforts to improve soybean oil oxidative stability. PMID- 27866150 TI - CRISPR/Cas9-Induced Double-Strand Break Repair in Arabidopsis Nonhomologous End Joining Mutants. AB - Double-strand breaks (DSBs) are one of the most harmful DNA lesions. Cells utilize two main pathways for DSB repair: homologous recombination (HR) and nonhomologous end-joining (NHEJ). NHEJ can be subdivided into the KU-dependent classical NHEJ (c-NHEJ) and the more error-prone KU-independent backup-NHEJ (b NHEJ) pathways, involving the poly (ADP-ribose) polymerases (PARPs). However, in the absence of these factors, cells still seem able to adequately maintain genome integrity, suggesting the presence of other b-NHEJ repair factors or pathways independent from KU and PARPs. The outcome of DSB repair by NHEJ pathways can be investigated by using artificial sequence-specific nucleases such as CRISPR/Cas9 to induce DSBs at a target of interest. Here, we used CRISPR/Cas9 for DSB induction at the Arabidopsis cruciferin 3 (CRU3) and protoporphyrinogen oxidase (PPO) genes. DSB repair outcomes via NHEJ were analyzed using footprint analysis in wild-type plants and plants deficient in key factors of c-NHEJ (ku80), b-NHEJ (parp1 parp2), or both (ku80 parp1 parp2). We found that larger deletions of >20 bp predominated after DSB repair in ku80 and ku80 parp1 parp2 mutants, corroborating with a role of KU in preventing DSB end resection. Deletion lengths did not significantly differ between ku80 and ku80 parp1 parp2 mutants, suggesting that a KU- and PARP-independent b-NHEJ mechanism becomes active in these mutants. Furthermore, microhomologies and templated insertions were observed at the repair junctions in the wild type and all mutants. Since these characteristics are hallmarks of polymerase theta-mediated DSB repair, we suggest a possible role for this recently discovered polymerase in DSB repair in plants. PMID- 27866153 TI - Exploring Personality and Readiness to Change in Patients With Substance Use Disorders With and Without ADHD. AB - OBJECTIVE: To explore personality and readiness to change among substance use disorders (SUD) patients with and without ADHD. METHOD: SUD + ADHD versus SUD - ADHD patients consecutively entering treatment between 2010 and 2012 were compared concerning personality (Temperament and Character Inventory) and readiness to change (Stages of Change Readiness and Treatment Eagerness Scale). RESULTS: Among 103 SUD patients (76 men, age M = 43.3, SD = 11.1), 16 (15.5%) were diagnosed with ADHD. SUD + ADHD patients reported significantly elevated eagerness to effort ( p = .008) compared with SUD - ADHD patients, who reported significantly elevated fear of uncertainty ( p < .000). SUD + ADHD patients reported higher ambition ( p = .025), self-forgetfulness ( p = .029), and lower recognition ( p = .022). They were younger ( p = .019) and showed more often amphetamine addiction ( p = .022) compared with SUD - ADHD patients. CONCLUSION: The distinct characteristics found in SUD + ADHD and SUD - ADHD patients underline the need for differentiated treatment interventions. PMID- 27866152 TI - The Effect of Childhood ADD/ADHD on Parental Workforce Participation. AB - OBJECTIVE: This research aimed to examine the impact of attention deficit disorder (ADD)/ADHD in children on parental labor force participation across different child age groups. METHOD: This study utilized a longitudinal, quantitative analyses approach. All data were collected from Wave 6 of the Growing Up in Australia: The Longitudinal Study of Australian Children (LSAC) survey. RESULTS: After adjusting for various confounders, mothers whose children were 10/11 years old and had been diagnosed with ADD/ADHD were significantly more likely to be out of the labor force compared with those mothers whose child had not been diagnosed with ADD/ADHD. The impact was more pronounced for single mothers. No significant influence on paternal labor force participation was found. CONCLUSION: In assessing the cost-effectiveness of interventions for ADD/ADHD, policy makers and researchers must consider the long-term social and economic effects of ADD/ADHD on maternal workforce participation when considering costs and outcomes. PMID- 27866154 TI - The Correlation Between Cognitive and Movement Shifting and Brain Activity in Children With ADHD. AB - OBJECTIVE: We assessed the correlation between the deficits of cognition, movement, and brain activity in children with Attention Deficit Hyperactvity Disorder (ADHD). METHOD: We recruited 15 children with ADHD and 15 age- and sex matched healthy control participants. Clinical symptoms, cognitive shifting, movement shifting, and brain activity were assessed using the Korean ADHD Rating Scale, the Wisconsin Card Sorting Test (WCST), the 7- and 14-ring drill test with hop jumps (7 HJ and 14 HJ), and 3.0 Tesla functional magnetic resonance imaging scanner, respectively. RESULTS: ADHD children showed an increased distance traveled and decreased speed on the 14 HJ task. In response to the WCST task, ADHD children showed decreased activation within right gyrus. Total distance on the 14 HJ task was negatively correlated with the mean beta value of Cluster 2 in ADHD children. CONCLUSION: These results suggested that children with ADHD showed difficulty with attention shifting as well as with movement shifting. PMID- 27866155 TI - The Assessment of the Relationship Between ADHD and Posttraumatic Stress Disorder in Child and Adolescent Patients. AB - OBJECTIVE: This study examined ADHD comorbidity in child and adolescent patients who diagnosed with posttraumatic stress disorder (PTSD) or obsessive compulsive disorder (OCD). METHOD: Sixty-eight child and adolescent patients with PTSD and 42 child and adolescent patients with OCD were evaluated for ADHD. The sample included 110 patients who were administered structured clinical interviews based on the Diagnostic and Statistical Manual of Mental Disorders (5th ed.). RESULTS: Results showed that 22.05% patients with PTSD and 59.52% patients with OCD met criteria for ADHD. CONCLUSION: The results of our study indicate that no meaningful differences were detected in comparisons between PTSD and OCD groups, in having ADHD as comorbidity. PMID- 27866156 TI - Hide-and-seek: the interplay between cancer stem cells and the immune system. AB - The enhanced ability of cancer stem cells (CSCs) to give rise to new tumors suggests that these cells may also have an advantage in evading immune detection and elimination. This tumor-forming ability, combined with the known plasticity of the immune system, which can play both protumorigenic and antitumorigenic roles, has motivated investigations into the interaction between CSCs and the immune system. Herein, we review the interplay between host immunity and CSCs by examining the immune-related mechanisms that favor CSCs and the CSC-mediated expansion of protumorigenic immune cells. Furthermore, we discuss immune cells, such as natural killer cells, that preferentially target CSCs and the strategies used by CSCs to evade immune detection and destruction. An increased understanding of these interactions and the pathways that regulate them may allow us to harness immune system components to create new adjuvant therapies that eradicate CSCs and improve patient survival. PMID- 27866157 TI - Loss of free fatty acid receptor 2 enhances colonic adenoma development and reduces the chemopreventive effects of black raspberries in ApcMin/+ mice. AB - We previously showed that black raspberries (BRBs) have beneficial effects in human colorectal cancer and a mouse model of colorectal cancer (ApcMin/+). The current study investigated the role of free fatty acid receptor 2 (FFAR2) in colon carcinogenesis and whether the FFAR2 signaling pathway contributes to BRB mediated chemoprevention in mice. FFAR2 (also named GPR43) is a member of the G protein-coupled receptor family that is expressed in leukocytes and colon. ApcMin/+ and ApcMin/+-FFAR2-/- mice were given a control diet or the control diet supplemented with 5% BRBs for 8 weeks. FFAR2 deficiency promoted colonic polyp development, with 100% incidence and increased polyp number and size. The ApcMin/+ mice developed colonic tubular adenoma, whereas the ApcMin/+-FFAR2-/- mice developed colonic tubular adenoma with high-grade dysplasia. FFAR2 deficiency also enhanced the cAMP-PKA-CREB-HDAC pathway, downstream of FFAR2 signaling, and increased activation of the Wnt pathway, and raised the percentage of GR-1+ neutrophils in colonic lamina propria (LP) and increased infiltration of GR-1+ neutrophils into colonic polyps. BRBs suppressed colonic polyp development and inhibited the cAMP-PKA-CREB-HDAC and Wnt pathways in the ApcMin/+ mice but not the ApcMin/+-FFAR2-/- mice. They also increased the percentage of GR-1+ neutrophils and cytokine secretion in colonic LP and decreased the infiltration of GR-1+ neutrophils and IL-1beta expression in colon polyps of ApcMin/+ mice but not ApcMin/+-FFAR2-/- mice. These results suggest that loss of FFAR2 drives colon tumorigenesis and that BRBs require functional FFAR2 to be chemopreventive. BRBs have the potential to modulate the host immune system, thereby enhancing the antitumor immune microenvironment. PMID- 27866161 TI - Self-Administered Assessment of Health Literacy in Adolescents Using the Newest Vital Sign. AB - The "Newest Vital Sign" (NVS) is a validated health literacy assessment tool typically administered by clinicians. The objective of this study was to assess if the NVS could be self-administered in adolescents to measure health literacy. Sixth graders in a Colorado middle school were provided a self-administered survey containing the NVS, a section for parent permission, and a section for the student's age, gender, grade, and previous elementary school. In all, 167 sixth graders returned usable surveys (45% return rate), and the average health literacy score was 3.75 +/- 1.70. Almost two thirds (62.9%) of the students scored in the adequate health literacy range, while only 12.6% scored in the limited health literacy range. Health literacy scores were similar when evaluated based on gender. However, when students were grouped based on prior elementary school attendance, students who matriculated from one elementary school had an average NVS score significantly lower than two other elementary schools (p < .001 and p < .05). Self-administration of the NVS was successful and showed similar health literacy scores compared to other studies in adolescents. Using the NVS as a self-administered tool could greatly increase its function as a quick health literacy assessment for adolescents, both in clinical practice and in school based health education. PMID- 27866160 TI - Utilizing Talking Circles as a Means of Gathering American Indian Stories for Developing a Nutrition and Physical Activity Curriculum. AB - This qualitative study used a focus group approach (talking circles) to elicit tribal elder insight on important concepts for the purpose of creating a curriculum to teach tribal youth in South Dakota about nutrition and physical activity in culturally appropriate ways. The focus groups were part of a larger project that is exploring mechanisms for creating culturally relevant nutrition and physical activity education for American Indian youth. A series of "Eat Smart, Play Hard" posters, created by South Dakota State University Extension, served as the starting point for talking circle conversations with tribal elders about teaching nutrition and physical activity to children. Data from the talking circles were analyzed using qualitative content analysis for themes in elder dialogs. In open-ended conversations, elders discussed barriers and success in achieving good nutrition and physical activity, important aspects of the Siouan food culture, and historical relationships with food. They shared insights on food ingredients and methods of obtaining and preparing food that were and are currently important to their communities. These data were used to better understand the Native cultural perspectives on nutrition and physical activity and to create effective educational material for Native youth that could be used to teach them in culturally relevant ways. PMID- 27866158 TI - A Nitric Oxide Storage and Transport System That Protects Activated Macrophages from Endogenous Nitric Oxide Cytotoxicity. AB - Nitric oxide (NO) is integral to macrophage cytotoxicity against tumors due to its ability to induce iron release from cancer cells. However, the mechanism for how activated macrophages protect themselves from endogenous NO remains unknown. We previously demonstrated by using tumor cells that glutathione S-transferase P1 (GSTP1) sequesters NO as dinitrosyl-dithiol iron complexes (DNICs) and inhibits NO-mediated iron release from cells via the transporter multidrug resistance protein 1 (MRP1/ABCC1). These prior studies also showed that MRP1 and GSTP1 protect tumor cells against NO cytotoxicity, which parallels their roles in defending cancer cells from cytotoxic drugs. Considering this, and because GSTP1 and MRP1 are up-regulated during macrophage activation, this investigation examined whether this NO storage/transport system protects macrophages against endogenous NO cytotoxicity in two well characterized macrophage cell types (J774 and RAW 264.7). MRP1 expression markedly increased upon macrophage activation, and the role of MRP1 in NO-induced 59Fe release was demonstrated by Mrp1 siRNA and the MRP1 inhibitor, MK571, which inhibited NO-mediated iron efflux. Furthermore, Mrp1 silencing increased DNIC accumulation in macrophages, indicating a role for MRP1 in transporting DNICs out of cells. In addition, macrophage 59Fe release was enhanced by silencing Gstp1, suggesting GSTP1 was responsible for DNIC binding/storage. Viability studies demonstrated that GSTP1 and MRP1 protect activated macrophages from NO cytotoxicity. This was confirmed by silencing nuclear factor-erythroid 2-related factor 2 (Nrf2), which decreased MRP1 and GSTP1 expression, concomitant with reduced 59Fe release and macrophage survival. Together, these results demonstrate a mechanism by which macrophages protect themselves against NO cytotoxicity. PMID- 27866159 TI - Pairing Animal Cartoon Characters With Produce Stimulates Selection Among Child Zoo Visitors. AB - In order to address the pervasive trend of underconsumption of fruits and vegetables among children, we examined the hypothesis that children would be more likely to select fruits (apple slices, bananas, and oranges) and vegetables (baby carrots) when paired with animal cartoon image than when available without the character image. Tested in a randomized experiment using counterbalancing, products were arranged on two tables at two separate family fun nights held at a local zoo. Animal character produce parings were manipulated by placing one of two animals (tamarin or iguana) next to two of the four fruit or vegetable selections at each table, and by changing when available without the image. In total, 755 produce selections were made. Significantly more products paired with a character were selected (62.38%) than the same products, not paired (37.62%), chi2 = 46.32, df = 1, p < .001. The odds ratio of the treatment versus control was 1.66 (i.e., 471/284), indicating that children were 66% more likely to select a snack when paired with an animal cartoon. Study findings highlight the positive impact of animal cartoons on children's fruit and vegetable snack selections, and results suggest the potential for using animal cartoons to encourage fruit and vegetable selection for children. PMID- 27866162 TI - Outcomes Associated With Familial Versus Nonfamilial Atrial Fibrillation: A Matched Nationwide Cohort Study. AB - BACKGROUND: We examined all-cause mortality and long-term thromboembolic risk (ischemic stroke, transient ischemic attack, systemic thromboembolism) in patients with and without familial atrial fibrillation (AF). METHODS AND RESULTS: Using Danish nationwide registry data, we identified all patients diagnosed with AF (1995-2012) and divided them into those with familial AF (having a first degree family member with a prior AF admission) and those with nonfamilial AF. We paired those with and without familial AF according to age, year of AF diagnosis, and sex in a 1:1 match. Using cumulative incidence and multivariable Cox models, we examined the risk of long-term outcomes. We identified 8658 AF patients (4329 matched pairs) with and without familial AF. The median age was 50 years (interquartile range 43-54 years), and 21.4% were women. Compared with nonfamilial AF patients, those with familial AF had slightly less comorbid illness but similar overall CHA2DS2-VASc score (P=0.155). Median follow-up was 3.4 years (interquartile range 1.5-6.5 years). Patients with familial AF had risk of death and thromboembolism similar to those with nonfamilial AF (adjusted hazard ratio 0.91 [95% CI 0.79-1.04] for death and 0.90 [95% CI 0.71-1.14] for thromboembolism). CONCLUSIONS: Although family history of AF is associated with increased likelihood for development of AF, once AF developed, long-term risks of death and thromboembolic complications were similar in familial and nonfamilial AF patients. PMID- 27866163 TI - Prognosis in Familial Atrial Fibrillation. PMID- 27866165 TI - Anemia and Acute Coronary Syndrome: Time for Intervention Studies. PMID- 27866164 TI - Relationship Between Anemia and Mortality Outcomes in a National Acute Coronary Syndrome Cohort: Insights From the UK Myocardial Ischemia National Audit Project Registry. AB - BACKGROUND: We aim to determine the prevalence of anemia in acute coronary syndrome (ACS) patients and compare their clinical characteristics, management, and clinical outcomes to those without anemia in an unselected national ACS cohort. METHODS AND RESULTS: The Myocardial Ischemia National Audit Project (MINAP) registry collects data on all adults admitted to hospital trusts in England and Wales with diagnosis of an ACS. We conducted a retrospective cohort study by analyzing patients in this registry between January 2006 and December 2010 and followed them up until August 2011. Multiple logistic regressions were used to determine factors associated with anemia and the adjusted odds of 30-day mortality with 1 g/dL incremental hemoglobin increase and the 30-day and 1-year mortality for anemic compared to nonanemic groups. Analyses were adjusted for covariates. Our analysis of 422 855 patients with ACS showed that 27.7% of patients presenting with ACS are anemic and that these patients are older, have a greater prevalence of renal disease, peripheral vascular disease, diabetes mellitus, and previous acute myocardial infarction, and are less likely to receive evidence-based therapies shown to improve clinical outcomes. Finally, our analysis suggests that anemia is independently associated with 30-day (OR 1.28, 95% CI 1.22-1.35) and 1-year mortality (OR 1.31, 95% CI 1.27-1.35), and we observed a reverse J-shaped relationship between hemoglobin levels and mortality outcomes. CONCLUSIONS: The prevalence of anemia in a contemporary national ACS cohort is clinically significant. Patients with anemia are older and multimorbid and less likely to receive evidence-based therapies shown to improve clinical outcomes, with the presence of anemia independently associated with mortality outcomes. PMID- 27866166 TI - Variability in a Short Tandem Repeat Mediates Complex Epistatic Interactions in Arabidopsis thaliana. AB - Short tandem repeats (STRs) are hypervariable genetic elements that occur frequently in coding regions. Their high mutation rate readily generates genetic variation, contributing to adaptive evolution and human diseases. We previously reported that natural ELF3 polyglutamine variants cause reciprocal genetic incompatibilities in two divergent Arabidopsis thaliana backgrounds. Here, we dissect the genetic architecture of this incompatibility, revealing as many as four loci putatively interacting with ELF3 We were able to specifically identify one such ELF3-interacting gene, LSH9 We further used a yeast two-hybrid strategy to identify proteins whose physical interactions with ELF3 were affected by polyglutamine tract length. We found two proteins for which this was the case, ELF4 and AtGLDP1. Using these two approaches, we identify specific genetic interactions and physical mechanisms by which the ELF3 polyglutamine tract may mediate the observed genetic incompatibilities. Our work elucidates how STR variation, which is generally underascertained in population-scale sequencing, can contribute to phenotypic variation. Furthermore, our results support our proposal that highly variable STR loci can contribute to the epistatic component of heritability. PMID- 27866168 TI - Fixation Probability in a Haploid-Diploid Population. AB - Classical population genetic theory generally assumes either a fully haploid or fully diploid life cycle. However, many organisms exhibit more complex life cycles, with both free-living haploid and diploid stages. Here we ask what the probability of fixation is for selected alleles in organisms with haploid-diploid life cycles. We develop a genetic model that considers the population dynamics using both the Moran model and Wright-Fisher model. Applying a branching process approximation, we obtain an accurate fixation probability assuming that the population is large and the net effect of the mutation is beneficial. We also find the diffusion approximation for the fixation probability, which is accurate even in small populations and for deleterious alleles, as long as selection is weak. These fixation probabilities from branching process and diffusion approximations are similar when selection is weak for beneficial mutations that are not fully recessive. In many cases, particularly when one phase predominates, the fixation probability differs substantially for haploid-diploid organisms compared to either fully haploid or diploid species. PMID- 27866169 TI - A New Mechanism for Mendelian Dominance in Regulatory Genetic Pathways: Competitive Binding by Transcription Factors. AB - We report a new mechanism for allelic dominance in regulatory genetic interactions that we call binding dominance. We investigated a biophysical model of gene regulation, where the fractional occupancy of a transcription factor (TF) on the cis-regulated promoter site it binds to is determined by binding energy ( DeltaG) and TF dosage. Transcription and gene expression proceed when the TF is bound to the promoter. In diploids, individuals may be heterozygous at the cis site, at the TF's coding region, or at the TF's own promoter, which determines allele-specific dosage. We find that when the TF's coding region is heterozygous, TF alleles compete for occupancy at the cis-sites and the tighter-binding TF is dominant in proportion to the difference in binding strength. When the TF's own promoter is heterozygous, the TF produced at the higher dosage is also dominant. Cis-site heterozygotes have additive expression and therefore codominant phenotypes. Binding dominance propagates to affect the expression of downstream loci and it is sensitive in both magnitude and direction to genetic background, but its detectability often attenuates. While binding dominance is inevitable at the molecular level, it is difficult to detect in the phenotype under some biophysical conditions, more so when TF dosage is high and allele-specific binding affinities are similar. A body of empirical research on the biophysics of TF binding demonstrates the plausibility of this mechanism of dominance, but studies of gene expression under competitive binding in heterozygotes in a diversity of genetic backgrounds are needed. PMID- 27866170 TI - Measurement Invariance of a Body Dysmorphic Disorder Symptom Questionnaire Across Sex: The Body Image Questionnaire-Child and Adolescent Version. AB - Measures of body dysmorphic disorder symptoms have received little psychometric evaluation in adolescent samples. This study aimed to examine cross-sex measurement invariance in the Body Image Questionnaire-Child and Adolescent version (BIQ-C) to establish whether observed sex differences in total scores may be meaningful or due to differences in measurement properties. A sample of 3,057 Australian high school students completed the initial screening item of the measure (63.2% male, Mage = 14.58 years, SD = 1.37, range = 12-18 years). Of these participants, 1,512 (49.5%) reported appearance concerns and thus completed the full measure. Partial scalar measurement invariance was established among a revised two-factor, 9-item version of the BIQ-C (BIQ-C-9). Females reported significantly greater latent factor variance, higher BIQ-C-9 total and factor scores, and higher scores on most individual BIQ-C-9 items. The measure can be used with caution to compare body dysmorphic disorder symptoms between male and female adolescents, though sex-specific cutoff scores should be used. PMID- 27866167 TI - Rewiring of Signaling Networks Modulating Thermotolerance in the Human Pathogen Cryptococcus neoformans. AB - Thermotolerance is a crucial virulence attribute for human pathogens, including the fungus Cryptococcus neoformans that causes fatal meningitis in humans. Loss of the protein kinase Sch9 increases C. neoformans thermotolerance, but its regulatory mechanism has remained unknown. Here, we studied the Sch9-dependent and Sch9-independent signaling networks modulating C. neoformans thermotolerance by using genome-wide transcriptome analysis and reverse genetic approaches. During temperature upshift, genes encoding for molecular chaperones and heat shock proteins were upregulated, whereas those for translation, transcription, and sterol biosynthesis were highly suppressed. In this process, Sch9 regulated basal expression levels or induced/repressed expression levels of some temperature-responsive genes, including heat shock transcription factor (HSF1) and heat shock proteins (HSP104 and SSA1). Notably, we found that the HSF1 transcript abundance decreased but the Hsf1 protein became transiently phosphorylated during temperature upshift. Nevertheless, Hsf1 is essential for growth and its overexpression promoted C. neoformans thermotolerance. Transcriptome analysis using an HSF1 overexpressing strain revealed a dual role of Hsf1 in the oxidative stress response and thermotolerance. Chromatin immunoprecipitation demonstrated that Hsf1 binds to the step-type like heat shock element (HSE) of its target genes more efficiently than to the perfect- or gap type HSE. This study provides insight into the thermotolerance of C. neoformans by elucidating the regulatory mechanisms of Sch9 and Hsf1 through the genome scale identification of temperature-dependent genes. PMID- 27866172 TI - What Does the WRAML2 Core Battery Measure? Utilizing Exploratory and Confirmatory Techniques to Disclose Higher Order Structure. AB - The present study examined the factor structure of the Wide Range Assessment of Memory and Learning-Second Edition (WRAML2) core battery with participants from the normative sample aged 9 to 90 years ( n = 880) using higher order exploratory and confirmatory factor analytic techniques that were not reported in the in the WRAML2 Administration and Technical Manual. Exploratory factor analysis results suggested only one factor, whereas confirmatory factor analysis results favored the three factors posited by the test authors. Although model fit statistics were equivalent for the oblique, indirect hierarchical, and direct hierarchical measurement models, it was determined that the bifactor model best disclosed the influence of latent dimensions on WRAML2 manifest variables. In the three-factor bifactor model, the general factor accounted for 31% of the total variance and 69% of the common variance, whereas the three first-order factors combined accounted for 41% of the total variance and 31% of the common variance. Latent factor reliability coefficients (as estimated by omegah) indicated that only the general factor was measured with enough precision to warrant confident clinical interpretation. Implications for clinical interpretation of WRAML2 scores and the procedures utilized in the development of related measures are discussed. PMID- 27866171 TI - Refining Diagnostic Procedures for Adults With Symptoms of ADHD. AB - Attention deficit/hyperactivity disorder (ADHD) is a chronic disorder that afflicts individuals into adulthood. The field continues to refine diagnostic standards for ADHD in adults, complicated by the disorder's heterogeneous presentation, subjective symptoms, and overlap with other disorders. Two key diagnostic questions are from whom to collect diagnostic information and which symptoms should be contained on an adult diagnostic checklist. Using a trifactor model, Martel et al. examine these questions in a sample of adults with and without self-identified ADHD symptoms. In this response, we highlight the importance of their finding that self and informant symptom reports differ in a sample of adults who acknowledge ADHD symptoms. We also review issues that continue to face the field related to model specification, evaluating symptom utility, and sample composition, discussing how these issues influence conclusions that may be drawn from Martel et al. and similar investigations. We conclude that the article makes an important research contribution about the nature of self and informant ADHD symptom reports but emphasize that symptom checklist refinement must occur through a broad lens that considers work from a range of sample types and clinically informative analytic strategies. PMID- 27866174 TI - Sample size calculation based on generalized linear models for differential expression analysis in RNA-seq data. AB - As RNA-seq rapidly develops and costs continually decrease, the quantity and frequency of samples being sequenced will grow exponentially. With proteomic investigations becoming more multivariate and quantitative, determining a study's optimal sample size is now a vital step in experimental design. Current methods for calculating a study's required sample size are mostly based on the hypothesis testing framework, which assumes each gene count can be modeled through Poisson or negative binomial distributions; however, these methods are limited when it comes to accommodating covariates. To address this limitation, we propose an estimating procedure based on the generalized linear model. This easy-to-use method constructs a representative exemplary dataset and estimates the conditional power, all without requiring complicated mathematical approximations or formulas. Even more attractive, the downstream analysis can be performed with current R/Bioconductor packages. To demonstrate the practicability and efficiency of this method, we apply it to three real-world studies, and introduce our on line calculator developed to determine the optimal sample size for a RNA-seq study. PMID- 27866173 TI - A rapid UPLC-MS/MS assay for the simultaneous measurement of fluconazole, voriconazole, posaconazole, itraconazole, and hydroxyitraconazole concentrations in serum. AB - BACKGROUND: Triazole antifungals are essential to the treatment and prophylaxis of fungal infections. Significant pharmacokinetic variability combined with a clinical need for faster turnaround times has increased demand for in-house therapeutic drug monitoring of these drugs, which is best performed using mass spectrometry-based platforms. However, technical and logistical obstacles to implementing these platforms in hospital laboratories have limited their widespread utilization. Here, we present the development and validation of a fast and simple ultra-performance liquid chromatography-tandem mass spectrometry (UPLC MS/MS) method to measure fluconazole, voriconazole, posaconazole, itraconazole, and hydroxyitraconazole in human serum suitable for incorporation into a hospital clinical laboratory. METHODS: Serum samples (20 uL) were prepared using protein precipitation in the presence of deuterated internal standards. Chromatographic separation was accomplished using reversed phase UPLC and analysis was performed using positive-mode electrospray ionization and collision-induced dissociation MS. RESULTS: Total analytical run time was 3 min. All analytes demonstrated linearity (r2>0.998) from 0.1 to 10 ug/mL (1-100 ug/mL for fluconazole), acceptable accuracy and precision (%DEV<15% and %CV<15% at all levels tested), suitable stability under relevant storage conditions, and correlated well with reference laboratory results. CONCLUSIONS: A simple and rapid UPLC-MS/MS method for monitoring multiple triazole antifungals was developed with a focus on the needs of hospital laboratories. The assay is suitable for clinical utilization and management of patients on these medications. PMID- 27866175 TI - Association Between Diabetes-related Knowledge and Medication Adherence: Results From Cross-sectional Analysis. AB - Context * Type 2 diabetes mellitus (T2DM) is a growing health problem worldwide. To have optimal glycemic control, T2DM patients must have sufficient diabetes related knowledge and must adhere positively and closely to a prescribed regimen. Medication adherence is a key determinant of therapeutic success in patients with T2DM. However, adherence to medications among T2DM patients varies widely, with estimates ranging from 36%-94%. Objective * The purpose of the study was to assess the level of and the association between diabetes-related knowledge and medication adherence among T2DM patients in Pakistan. Design * The research team conducted a cross-sectional survey. Setting * The study was carried out at the outpatient clinic of a public-sector teaching hospital in Sargodha, Pakistan. Participants * Participants were 392 diabetic patients of the hospital. Outcome Measures * In addition to the collection of data on the demographic and disease related characteristics of the participants, the Urdu versions of the Morisky Medication Adherence Scale (MMAS-U) and the Michigan Diabetes Knowledge Test (MDKT-U) were used to assess medication adherence and diabetes-related knowledge, respectively. Descriptive statistics were used to determine the demographic and disease characteristics, whereas a Spearman rank correlation was used to measure the association between medication adherence and diabetes-related knowledge. Results * The mean age of the participants was 50.77 +/- 9.671 y, with males being the dominant gender (n = 222, 56.6%). The mean duration of diabetes was 5.58 +/- 4.09 y. Of the 392 patients, 245 (62.5%) had an average knowledge of diabetes. Furthermore, 282 (71.9%) were categorized as showing poor adherence. A significant but weak positive correlation between diabetes-related knowledge and medication adherence was found for the study (r = 0.036, P < .05). Conclusions * Although diabetes-related knowledge among the patients was average, the adherence to treatment was poor. Because patients' knowledge about diabetes was positively associated with medication adherence, the research team believes that educating patients about the disease and medication management can result in better control of T2DM. PMID- 27866176 TI - Hypoglycemia Alert Dogs: A Novel, Cost-effective Approach for Diabetes Monitoring? AB - The recent publication of the results of 3 small trials, and as many as 5 case reports on dogs producing clear and intelligible alerts in the presence of their owners' hypoglycemia, opens an intriguing clinical scenario for management of diabetes. The skill seems attributable to the ability of dogs to identify patterns in skin and breath odors as well as to understand and interpret visual cues from humans during hypoglycemia. Provided that further trials can confirm the findings, the use of diabetes alert dogs that are trained to detect the onset of hypoglycemia can be regarded as a fast, versatile, reliable, and cost effective approach for safeguarding the health of individuals with diabetes. PMID- 27866177 TI - Cranberries for Preventing Recurrent Urinary Tract Infections in Uncircumcised Boys. AB - Background * Highly concentrated cranberry juice has long been considered to have protective properties against urinary tract infections (UTIs), on the basis of its content of cranberry proanthocyanidins, with A-type interflavan bonds. Objective * This study intended to evaluate the benefits of a highly concentrated cranberry juice for the prevention of repeated episodes of UTI in uncircumcised boys. Design * The study was a randomized, controlled trial. Setting * The study took place at Taipei City Hospital, Renai and Zhongxing Branches (Taipei City, Taiwan). Participants * Participants were 55 uncircumcised boys and 12 circumcised boys, aged 6 to 18 y, with histories of uncomplicated UTI, who were patients at the hospital. Intervention * The uncircumcised boys were randomly divided into 2 groups: (1) group 1 (n = 28) took 4 oz (120 mL) daily of cranberry juice for 6 mo; and (2) group 2 (n = 27), the negative control group, drank a placebo juice for 6 months. The circumcised boys in group 3, a positive control group, also drank a placebo juice for 6 mo. Outcome Measures * The time to UTI (ie, to the appearance of symptoms plus pyuria) was the main outcome. Asymptomatic bacteriuria, adherence to the treatment, and adverse effects were assessed at monthly visits. Results * After 6 mo of a prophylactic treatment with cranberry juice, the incidence of bacteriuria, mainly Escherichia coli, as shown in urine cultures at >=1 * 105, were 25% (7/28), 37% (10/27), and 33.3% (4/12) in groups 1, 2 and 3, respectively. The comparisons of the rate of prevention of a recurrence of UTI between group 1 and group 2 and between group 1 and group 3 showed that group 1 had fewer recurrent episodes of UTI. No children withdrew from the study. No adverse events or side effects were recorded. Conclusions * Cranberry juice may reduce the number of repeated episodes of UTI in uncircumcised boys and may have beneficial effects against the growth of Gram negative bacterial pathogens. Its preventive benefits against UTI in the uncircumcised boys were even higher than those of circumcision for the circumcised boys. PMID- 27866178 TI - Low-level Laser Therapy: A Review of Its Applications in the Management of Oral Mucosal Disorders. AB - Due to its analgesic, anti-inflammatory, and biostimulating effects, low-level laser therapy (LLLT) has been widely used for oral disorders, such as oral lichen planus (OLP), xerostomia, recurrent aphthous stomatitis (RAS), herpes labialis, burning mouth syndrome (BMS), and oral mucositis (OM). The research team for the present study has reviewed the literature on the subject, with an emphasis on the applicability of LLLT in general and of its various clinical protocols for the management of those oral disorders. In lesions such as the ones occurring in OM, RAS, herpes labialis, and OLP, the course of wound healing and the pain have been shown to decrease, with a few, or most often, no adverse side effects. The literature shows that LLLT can also be effective in reducing symptoms in patients with BMS. For the treatment of hyposalivation and xerostomia, the use of LLLT has been described in the literature, but no consensus has resulted. Very few controlled clinical studies with well-established therapeutic protocols have occurred, except for OM, for which LLLT has been widely researched. Although information on the use of the laser for some lesions has already been consolidated, further research is needed, especially randomized, controlled clinical trials with long-term follow-up. Those studies will allow the safe use of LLLT, permitting the creation of care protocols for the management of oral disorders. PMID- 27866179 TI - Tripterygium Glycosides for Treating Late-onset Rheumatoid Arthritis: A Systematic Review and Meta-analysis. AB - Context * Older- or late-onset rheumatoid arthritis (LORA) is defined as rheumatoid arthritis (RA) with an onset of symptoms at age 60 y or older, which includes a specific clinical course and features. To date, a specific therapeutic treatment for LORA is still a dilemma in modern medicine. Objective * The study aimed to assess the effectiveness and safety of Tripterygium glycosides for treating LORA. Design * Seven databases were searched from their inceptions until June 2015. The research team included randomized, controlled trials (RCTs) in which Tripterygium glycosides were employed, either alone or as an adjuvant treatment with disease-modifying antirheumatic drugs (DMARDs), in patients with LORA. The selection of studies, data extraction, and validation were performed independently by 2 reviewers. The Cochrane risk-of-bias criteria were used for evaluating the quality of the included studies. Settings * The study was conducted at Changzhou University (Changzhou, China), Nanjing University of Chinese Medicine (Nanjing, China), and the hospital affiliated with Nanjing University of Chinese Medicine (Nanjing, China). Participants * Studies including patients aged 60 y or older with RA in any of their peripheral joints were included in the meta-analysis. Intervention * All participants in the included studies were administered Tripterygium glycosides, either alone or together with other DMARDs, for at least 3 mo. Outcome Measures * The primary outcomes included (1) the swollen joint count (SJC) and (2) the tender joint count (TJC). The secondary outcomes included the erythrocyte sedimentation rate (ESR) and the level of C-reactive protein (CRP). Results * Four RCTs met the inclusion criteria, and most of them were of low methodological quality. The results of the current meta-analysis indicated that Tripterygium glycosides plus DMARD therapy, when compared with DMARD therapy alone, showed a favorable effect: (1) on the SJC, with the mean difference (MD) = -1.58, 95% confidence interval (CI) = -1.64 to -1.51, and P < .01; (2) on the TJC, with the MD = -1.71, 95% CI = -2.26 to 1.15, and P < .01; (3) on the CRP levels, with the MD = -9.96, 95% CI = -10.96 to -8.96, and P < .01; and (4) on the ESR, with MD = -10.74, 95% CI = -12.47 to 9.00, and P < .01. In addition, the groups treated with Tripterygium glycosides were not superior to the intervention groups that did not use Tripterygium glycosides in terms of decreasing adverse events. Conclusions * A lack of sufficient trials contributed to the small sample size of the combined, eligible RCTs, and it was difficult to draw firm conclusions on the positive effects of Tripterygium glycosides and on their efficacy as an effective intervention for treating RA. A high risk of bias existed among the available RCTs. Further work with more RCTs on a larger patient population is necessary to confirm the efficacy and safety of Tripterygium glycosides for treating LORA. PMID- 27866180 TI - Positive Effects of Uyakujunkisan Therapy (Kampo Medicine) for Postherpetic Neuralgia With Concomitant Pregabalin: Two Case Reports With a Literature Review. AB - Context * The hallmark of herpes zoster (HZ) is a painful, blistering rash, but neuropathic pain can persist beyond the clearing of the rash and is diagnosed as postherpetic neuralgia (PHN), a chronic pain syndrome. However, the pain in PHN is often refractory to treatment. Objective * The study investigated the ability of Uyakujunkisan (UJS), or Kampo medicine, a traditional herbal medicine, to treat PHN successfully. Design * The study was observational, with discussion of 2 cases. Setting * The study took place in the Department of Japanese Oriental Medicine at Gunma Central and General Hospital (Maebashi, Gunma, Japan). Participants * The participants in cases 1 and 2 were a 70-y-old male and a 70-y old female, respectively. The woman in case 2 also had rheumatoid arthritis. Both had been treated for HZ with antiviral drugs but continued to experience pain and were diagnosed with PHN. Intervention * Both participants were treated with a decoction of UJS that was administered 3 */d before meals. Outcome Measures * The patients completed a visual analogue scale. Results * In case 1, the patient's pain had almost disappeared after 8 wk of treatment. In case 2, the patient's pain had disappeared by 4 mo after starting the UJS treatment. Conclusions * Treatment with UJS may be a useful option as a therapeutic strategy for refractory PHN, especially in older adults. PMID- 27866181 TI - Dysbiosis or Adaptation: How Stable Is the Gut Microbiome? AB - No Abstract Available. PMID- 27866182 TI - Homeopathic Treatment of Overweight and Obesity in Pregnant Women With Mental Disorders: A Double-blind, Controlled Clinical Trial. AB - Context * Worldwide, 35 million people suffer from obesity. Mental disorders have been associated with being overweight or obese. Considerable evidence has shown a correlation between stress and the use of homeopathy and stress and obesity. However, few studies have examined the relationship between weight loss and homeopathic treatment of obesity. Objective * The study intended to evaluate the efficacy of a homeopathic treatment in preventing excessive weight gain during pregnancy in overweight or obese women who were suspected of having a common mental disorder. Design * The study was a randomized, controlled, double-blinded clinical trial. Setting * The study took place at the Center for the Social Support of Motherhood (Sao Paulo, Brazil). Participants * Participants were pregnant women who were enrolled at the center. Intervention * For the homeopathic group, 9 drugs were preselected, including (1) Pulsatilla nigricans, (2) Sepia succus, (3) Lycopodium clavatum, (4) sulphur, (5) Lachesis trigonocephalus, (6) Nux vomica, (7) Calcarea carbonica, (8) phosphorus; and (9) Conium maculatum. From those 9 drugs, 1 was prioritized for administration for each participant. After the first appointment, a reselection or selection of a new, more appropriate drug occurred, using the list of preselected drugs. The dosage was 6 drops orally 2 */d, in the morning and at night, on 4 consecutive days each wk, with an interval of 3 d between doses, up until the next appointment medical appointment. The control group received the equivalent placebo drug. Both groups also received a diet orientation. Outcome Measures * We evaluated pregnant women who were overweight or had class 1 or 2 obesity and were suspected of having a common mental disorder, with no concomitant diseases, in 2 groups: those receiving a placebo (control group, n = 72); and those receiving homeopathic treatment (homeopathy group, n = 62). Weight change during pregnancy was defined as the difference between the body mass index (BMI) at the initial evaluation and that recorded at the final evaluation, adjusted for 40 wk of gestation. In addition, the APGAR index in the newborn was evaluated as a possible complication. Results * The mean variation between baseline BMI and BMI at week 40 of gestation was +4.95 kg/m2 in the control group and +5.05 kg/m2 in the homeopathy group. The difference between the 2 groups was not significant (P = .815; 95% confidence interval [CI], -0.916 to 0.722). APGAR 10 at 5 min (59.6%in homeopathy group and 36.4% among control) was statistically significant (P = .016). Conclusions * Homeopathy does not appear to prevent excessive body mass gain in pregnant women who are overweight or obese and suspected of having a common mental disorder. Homeopathy did not change the APGAR score to modified clinical attention at delivery room. However, the evidence observed at APGAR 10 at minute 5 suggests that homeopathy had a modulating effect on the vitality of newborns, warranting further studies designed to investigate it. PMID- 27866183 TI - Resolution of Allergic Rhinitis and Reactive Bronchospasm With Supplements and Food-specific Immunoglobulin G Elimination: A Case Report. AB - Context * Allergies are a common affliction, whether they are respiratory, food related, or dermatological. People often resort to continuous use of over-the counter medications, such as antihistamines, to manage their symptoms. Controversy still remains over testing serum immunoglobulin (Ig) G to diagnose food allergies. Objective * This study intended to examine the benefits of treatment of a pediatric patient with natural supplements and an elimination diet for IgG food allergies. Design * The research team reported a case study. Setting * The study was conducted at Southwest Naturopathic Medical Center (Tempe, AZ, USA). Participant * The participant was a 10-y-old Caucasian female who had diagnoses of allergic rhinitis and reactive bronchospasm, the second of which was exacerbated by allergens such as wheat, perfumes, and seasonal flora. Intervention * Following testing for IgE- and IgG-reactive foods, the patient was treated with natural supplements to reduce her allergic responses and was instructed to make dietary changes to eliminate the IgG-reactive foods. Outcome Measures * The patient's symptom severity was tracked starting 1 mo after her initial visit to Southwest Naturopathic Medical Center. The severity was based on the patient's subjective reports about her congestion to her mother and on her mother's observations of the effect of symptoms on her attention and school performance. The bronchospasm severity was based on the frequency of a sensation of wheezing and chest tightness, the frequency of inhaler use, and the occurrence of any exacerbation of symptoms with acute respiratory illness Results * After 1 mo, in which the patient used the natural supplements, she experienced a 90% improvement in coughing; a 70% improvement in nasal congestion; less chest tightness; and no need for use of loratadine, diphenhydramine, or albuterol. At the 8-mo follow-up visit, her nasal congestion was reported to be entirely gone. Conclusions * The case demonstrates the effectiveness of natural supplements and a diet eliminating IgG-reactive foods in the treatment and management of pediatric allergic rhinitis and reactive bronchospasm. PMID- 27866184 TI - The Gut-Brain Axis: Autoimmune and Neuroimmune Disorders. AB - No Abstract Available. PMID- 27866185 TI - Wilms Tumor 1 (WT1) mRNA Expression Level at Diagnosis Is a Significant Prognostic Marker in Elderly Patients with Myelodysplastic Syndrome. AB - BACKGROUND/AIMS: A high expression of Wilms tumor 1 (WT1) mRNA occurs in most cases of acute leukemia and myelodysplastic syndrome (MDS). Although there are many reports suggesting that acute myeloid leukemia patients with high expression levels of WT1 mRNA have a relatively poor long-term survival, there are few reports addressing the relationship between WT1 levels and prognosis in MDS. METHODS: We retrospectively analyzed 42 elderly patients with MDS whose WT1 levels at diagnosis were available, and we assessed the relationships between WT1 levels in peripheral blood and preexisting prognostic factors such as World Health Organization prognostic scores and Revised International Prognostic Scoring System risk categories, bone marrow blast percentages, and chromosomal abnormalities linked to a poor prognosis. We also evaluated the relationship between WT1 levels and prognosis. RESULTS: WT1 levels were significantly different between high- and low-risk MDS patients (p < 0.05). There was a trend towards a significant difference between those with and those without poor prognostic chromosomal rearrangements (p = 0.051). Moreover, the overall survival and progression-free survival were significantly worse in elderly patients with higher levels of WT1 (p = 0.00039 and p = 0.00077, respectively). CONCLUSIONS: The WT1 mRNA expression level at diagnosis may be a significant independent prognostic marker for elderly patients with MDS. PMID- 27866186 TI - Consequences of Stimulus Type on Higher-Order Processing in Single-Sided Deaf Cochlear Implant Users. AB - Single-sided deaf subjects with a cochlear implant (CI) provide the unique opportunity to compare central auditory processing of the electrical input (CI ear) and the acoustic input (normal-hearing, NH, ear) within the same individual. In these individuals, sensory processing differs between their two ears, while cognitive abilities are the same irrespectively of the sensory input. To better understand perceptual-cognitive factors modulating speech intelligibility with a CI, this electroencephalography study examined the central-auditory processing of words, the cognitive abilities, and the speech intelligibility in 10 postlingually single-sided deaf CI users. We found lower hit rates and prolonged response times for word classification during an oddball task for the CI ear when compared with the NH ear. Also, event-related potentials reflecting sensory (N1) and higher-order processing (N2/N4) were prolonged for word classification (targets versus nontargets) with the CI ear compared with the NH ear. Our results suggest that speech processing via the CI ear and the NH ear differs both at sensory (N1) and cognitive (N2/N4) processing stages, thereby affecting the behavioral performance for speech discrimination. These results provide objective evidence for cognition to be a key factor for speech perception under adverse listening conditions, such as the degraded speech signal provided from the CI. PMID- 27866187 TI - A Pilot Study Examining the Effects of 8-Week Whey Protein versus Whey Protein Plus Creatine Supplementation on Body Composition and Performance Variables in Resistance-Trained Women. AB - AIMS: We performed a pilot study examining the effects of whey protein and creatine supplementation (PRO + CRE group) versus whey protein supplementation (PRO group) alone on body composition and performance variables in a limited number of resistance-trained women. METHODS: Seventeen resistance-trained women (21 +/- 3 years, 64.7 +/- 8.2 kg, 23.5 kg/m2, 26.6 +/- 4.8% body fat, >6 months of training) performed a 4-day per week split-body resistance training program for 8 weeks. Subjects ingested either 24 g PRO (n = 9) or 24 g whey plus 5 g creatine monohydrate (PRO + CRE, n = 8) following each exercise bout. At baseline (T1), 4 weeks (T2) and 8 weeks (T3), body composition was measured by dual X-ray absorptiometry (DXA), strength measures (leg press and bench press one repetition maximum) and lower-body power measures were determined. RESULTS: DXA lean mass increased from T1 to T3 in both groups (PRO: +2.5 kg, p < 0.001; PRO + CRE: +2.5 kg, p < 0.001), although no differences between groups were observed. Compared to T1 values, performance measures similarly increased in both groups from T1 to T3 although, no between-group differences were observed. CONCLUSIONS: PRO + CRE did not enhance training adaptations compared to PRO, albeit studies employing longer term interventions with larger sample sizes are needed in order to confirm or disprove our findings. PMID- 27866188 TI - Feasibility of Laryngeal Mask Airway Device Placement in Neonates. AB - BACKGROUND: The laryngeal mask airway (LMA) has been used in adult and pediatric populations for decades. While the familiarity of its use in the neonatal population is increasing, there are few data investigating this. OBJECTIVE: The objective of this study was to determine the feasibility of LMA placement in neonates by investigating the time and number of attempts required for successful placement and physiologic stability during the placement of the device. METHODS: This study is one component of a national, multicenter, randomized controlled trial investigating surfactant administration through an LMA in neonates. Videotape of LMA placement was reviewed to determine the total procedure time and the number of attempts required to successfully place the device. Heart rate and oxygen saturation (SaO2) were analyzed as change from baseline, in order to examine physiologic stability during device placement. RESULTS: Videotape and physiologic data were analyzed for 36 infants. Gestational age ranged from 293/7 to 354/7 weeks (mean 33 +/- 1.7) with the birth weight ranging from 1,290 to 3,180 g (mean 2,006 +/- 482). Average total procedure time was 88 s (+/-136) with 64% of the procedures successfully completed in <35 s. Successful placement was achieved on the first attempt in 69% of the cases. Compared to baseline, heart rate increased by an average of 1 bpm (+/-4.5) and SaO2 decreased an average of 6% (+/-7). CONCLUSIONS: Successful placement was achieved in the majority of patients in <35 s and required only one attempt. Physiologic parameters were maintained close to baseline, measured by minimal fluctuation in heart rate and SaO2 during the procedure. Placement of the LMA is feasible in neonates. PMID- 27866189 TI - Liver Transplantation in Wilson's Disease with Neurological Impairment: Evaluation in 4 Patients. AB - BACKGROUND: The aim of this work is to report our early experiences about the benefits of liver transplantation (LT) in the treatment of persistent neurological symptoms in Wilson's disease (WD) patients. METHODS: We describe our findings in 4 WD patients with neurological impairment or symptoms treated by LT: 2 patients had transplants due to worsening of neurological symptoms despite long term appropriate medical treatment. The other 2 required LT because of symptoms associated with liver failure. Patients were evaluated using the modified Rankin scale and the Unified Wilson's Disease Rating Scale (UWDRS). RESULTS: The 4 patients experienced neurological improvement after LT. The pre-LT Rankin score of the 2 patients transplanted due to neurological impairment was 4 compared to 3 and 2, respectively, post LT. The pre-LT Rankin scores of the 2 WD cases transplanted because of hepatic failure were 1 and 2, respectively, compared to 0 in both cases post LT. UWDRS score improved in 2 cases and remained stable in 1 less severely impaired case. Brain MRI abnormalities proved partially reversible in 3 patients and remained stable for 1 patient. CONCLUSIONS: These results suggest that LT could be envisaged for neurologically impaired WD patients. PMID- 27866190 TI - Role of MCPIP1 in the Endothelial-Mesenchymal Transition Induced by Silica. AB - BACKGROUND: Silicosis is characterized by the accumulation of fibroblasts and the excessive deposition of extracellular matrix. Fibroblast generation via endothelial-mesenchymal transition (EndMT) is one process responsible for this accumulation of fibroblasts. However, the mechanisms underlying EndMT remain unknown. METHODS: Human umbilical vein endothelial cells (HUVECs) were exposed to SiO2 (50 ug/cm2). Specific endothelial and mesenchymal markers were evaluated using immunofluorescence and western blot analysis. Functional changes were evaluated by analyzing cell migration and proliferation. LC3-adenovirus transfections were performed, and changes in autophagy were measured using a marker of autophagy. RESULTS: SiO2 induced decreases in the endothelial cell specific markers in HUVECs while dramatically increasing mesenchymal cell product levels and mesenchymal functions. Although MCPIP1 expression increased in parallel with the increase in specific mesenchymal cell products, the MCPIP1 expression level was not consistent with the observed decrease in specific endothelial marker expression. Autophagy mediated the effects of MCPIP1, as rapamycin and 3-MA enhanced and attenuated the effect of SiO2 on HUVECs, respectively. MAPKs and the PI3K/Akt pathway were involved in the regulation of MCPIP1 by SiO2, and Pyk2 and MLC-2 mediated cell migration. CONCLUSION: Our findings reveal a new potential function of MCPIP1, suggesting a possible mechanism of fibrosis in pulmonary silicosis. PMID- 27866191 TI - The Long Non-Coding RNA LncRNA8975-1 is Upregulated in Hypertrophic Scar Fibroblasts and Controls Collagen Expression. AB - BACKGROUND/AIMS: Long non-coding RNAs (lncRNAs) are thought to play crucial roles in human diseases. However, the function of lncRNAs in hypertrophic scar formation remains poorly understood. METHODS: In this study, we investigated the expression of lncRNA8975-1 in hypertrophic scar tissues and fibroblasts by quantitative reverse transcription PCR (qRT-PCR). To investigate its function, overexpression and knockdown of lncRNA8975-1 were performed using lentivirus infection and Stealth RNAi transfection, respectively. Cell proliferation was detected by CCK-8 assay. The protein levels of collagens and alpha-smooth muscle actin (alpha-SMA) were analysed by western blot. RESULTS: We found that lncRNA8975-1 was overexpressed in hypertrophic scar tissues and dermal fibroblasts. Overexpression of lncRNA8975-1 inhibited cell proliferation and reduced the protein expression levels of COL1A2, COL1A1, COL3A1 and alpha-SMA in hypertrophic scar fibroblasts, whereas knockdown of lncRNA8975-1 had the opposite effect. CONCLUSION: Our results show that the long non-coding RNA lncRNA8975-1 is upregulated in hypertrophic scar fibroblasts; furthermore, it inhibits fibroblast proliferation and reduces collagen and alpha-SMA expression. Further studies on the mechanisms regulated by lncRNA8975-1 would lead to a better understanding of the pathogenesis of hypertrophic scar formation. PMID- 27866192 TI - Dietary Genistein Rescues Reduced Basal Chloride Secretion in Diabetic Jejunum via Sex-Dependent Mechanisms. AB - BACKGROUND/AIMS: The goal of this study was to determine the effect of dietary genistein (naturally occurring phytoestrogen) on jejunal secretory function in a clinically relevant model of diabetes and obesity, the leptin-defIcient ob/ob mouse. METHODS: We measured transepithelial short circuit current (Isc), across freshly isolated segments of jejunum from 12-week old male and female ob/ob and lean C57Bl/6J mice fed a genistein diet (600 mg genistein/kg diet) for 4-weeks. Separate segments of jejunum were frozen for western blot determination of key proteins involved in secretory transport. RESULTS: Basal Isc was signifIcantly decreased (by 33%, P<0.05) in ob/ob females versus leans, and genistein-diet reversed this. Similarly, in males, basal Isc was decreased (by 47%, P<0.05) in ob/ob mice versus leans, and genistein-diet reversed this. Inhibition with either clotrimazole (100 uM, bilateral) or ouabain (100 uM, basolateral) was signifIcantly reduced in ob/ob mice compared to leans (P<0.05), and genistein diet reversed clotrimazole-sensitive inhibition in ob/ob females, and reversed the ouabain-sensitive inhibition in males (indicating sex-dependent mechanisms). Our data suggested that PDE3 levels were dysregulated in ob/ob females and genistein reversed this. Expression of total CFTR (normalized to actin) was signifIcantly decreased ~80% (P<0.05) in all ob/ob mice compared to leans, and genistein-diet was without effect. Expression of total NKCC1 (normalized to actin) was signifIcantly decreased ~80% (P<0.05) in ob/ob male mice versus leans, and genistein-diet reversed this. CONCLUSIONS: Our data suggests that the reduced basal jejunal Isc in ob/ob female mice is a consequence of reduced CFTR expression, decreased activities of the basolateral KCa channel and Na+/K+ ATPase, and in male mice reduced basal jejunal Isc is a consequence of reduced CFTR and NKCC1 expression, along with decreased activities of the basolateral KCa channel and Na+/K+-ATPase. Genistein-diet has beneficial effects on basal Isc mediated by sex-dependent mechanisms in diabetic mice: in females via increased KCa-sensitive Isc and in males via increased Na+/K+-ATPase activity and increased NKCC1 expression. Improved understanding of intestinal dysfunctions in the ob/ob jejunum, may allow for the development of novel drug targets to treat obesity and diabetes, and may also be of benefit in CF-related diabetes. PMID- 27866194 TI - Efficacy of Bevacizumab in the First-Line Treatment of Patients with RAS Mutations Metastatic Colorectal Cancer: a Systematic Review and Network Meta Analysis. AB - BACKGROUND/AIMS: Whether patients with RAS mutation metastatic colorectal cancer (mCRC) obtain benefits from bevacizumab added to first-line chemotherapy remains unclear. METHODS: PubMed, Cochrane Systematic Reviews, the Cochrane Collaboration Central Register of Controlled Clinical Trials, ClinicalTrials.gov, and the American Society of Clinical Oncology and European Society for Medical Oncology databases were searched to identify abstracts for randomized controlled trials (RCTs) evaluating the efficacy of bevacizumab for the first-line treatment of patients with RAS mutations mCRC from inception to the end of April 2016. Hazard ratios (HRs) for overall survival (OS) and progression-free survival (PFS) were estimated. RESULTS: Ten eligible papers reporting six RCTs were included. In the network meta-analysis of patients with RAS mutations, bevacizumab + chemotherapy prolonged PFS compared with chemotherapy alone (HR 0.75, 95% CI 0.51-1.10), but the difference was not statistically significant. Bevacizumab + chemotherapy did not prolong OS compared with chemotherapy alone (HR 1.10, 95% CI 0.73-1.66). CONCLUSION: There was insufficient evidence to definitively state that patients with RAS mutations mCRC could benefit from bevacizumab combined with chemotherapy as first-line treatment. PMID- 27866193 TI - Mixed Aqueous Extract of Salvia Miltiorrhiza Reduces Blood Pressure through Inhibition of Vascular Remodelling and Oxidative Stress in Spontaneously Hypertensive Rats. AB - BACKGROUND/AIMS: Salvia miltiorrhiza (SM) contains four major aqueous active ingredients, which have been isolated, purified and identified as danshensu (DSS), salvianolic acid A (Sal-A), salvianolic acid B (Sal-B) and protocatechuic aldehyde (PAL), totally abbreviated as SABP. Although SM is often used to treat various cardiovascular diseases in traditional Chinese medicine, the efficacy and function of optimal compatibility ratio of SM's active ingredients (SABP) in the prevention and treatment of cardiovascular diseases remain uncertain. This study investigated antihypertensive effect and underlying mechanisms of SABP vs. SM lyophilized powder (SMLP) in spontaneously hypertensive rats (SHR) and to establish the ratio of the optimal compatibility of DSS, Sal-A, Sal-B and PAL in improving cardiovascular functions. METHODS: The SHRs were treated with either SABP or SMLP and their systolic blood pressures (SBP) were monitored. The isolated thoracic aorta of SHRs was segregated for immunohistochemistry, Hematoxylin-Eosin stain and mRNA and protein expression of NOX4, TGF-beta1, Col I, ET-1, alpha-SMA and Smad7. Moreover, the adventitial fibroblasts (AFs) were isolated and cultured from SD rats' aorta and the reactive oxygen species (ROS) production was determined after SABP or SMLP treatment. RESULTS: SABP, but not SMLP, significantly reduced SBP, which were accompanied by the inhibited morphological changes in the thoracic aorta and the reduced mRNA and protein expression of NOX4, TGF-beta1, Col-I, ET-1 and alpha-SMA, but the increased Smad 7 expression in SHRs. Moreover, SABP also resulted in a decreased ROS production in AFs of SD rats. CONCLUSIONS: These results indicate that SABP, but not SMLP, treatment potently inhibits hypertension through improvements of vascular remodeling and oxidative stress. The present study provides new evidence that the efficacy and function from optimal compatibility ratio of SM active ingredients is much better than its lyophilized powder, which represents a strategy to develop SM's new beneficial effect in improving cardiovascular functions. PMID- 27866195 TI - Comparison of Telbivudine and Entecavir Therapy on Nephritic Function and Drug Resistance in Patients with Hepatitis B Virus-Related Compensated Cirrhosis. AB - BACKGROUND: To compare the impact of telbivudine (LDT) and entecavir (ETV) administration on nephritic function. METHOD: One hundred thirty patients diagnosed with hepatitis B virus (HBV)-related compensated cirrhosis were randomly divided into LDT (600 mg/d) or ETV (0.5 mg/d) groups. RESULTS: The drug resistance rate was higher following LDT treatment compared to ETV treatment (16.9% vs. 1.5%, P=0.0006). The mean creatinine level decreased compared to baseline in the LDT group (0.81 vs. 0.94 mg/dl, P=0.000). The change in median glomerular filtration rate (eGFR) compared to baseline in the LTD and ETV groups was 22.3 and -3.3, respectively, at 2 years (P=0.000). In patients with mild nephritic injury (eGFR< 90 ml/min/1.73m2), the median eGFR increased by 28.0 ml/min/1.73m2 in the LDT group and decreased by 4.3 ml/min/1.73m2 in the ETV group (p=0.000). The eGFR in 88.5% of patients (23/26) from the LDT group increased > 90 ml/min/1.73m2. The percentage of patients with an eGFR > 90 ml/min/1.73m2 increased from 60.0% to 92.3% in the LDT group and from 64.6% to 69.2% in the ETV group. CONCLUSION: In patients with HBV-related compensated cirrhosis, LDT treatment was more effective in protecting nephritic function and was associated with a higher drug resistance rate, but did not contribute to a better outcome compared with ETV treatment. PMID- 27866197 TI - Rs56288038 (C/G) in 3'UTR of IRF-1 Regulated by MiR-502-5p Promotes Gastric Cancer Development. AB - BACKGROUND/AIMS: Interferon regulatory factor 1 (IRF-1) has been shown to function as a transcriptional activator or repressor of a variety of target genes. However, its upstream, non-coding RNA-related regulatory capacity remains unknown. In this study, we focus on the miRNA-associated single nucleotide polymorphisms (SNPs) in the 3'untranslated region (UTR) of IRF-1 to further investigate the functional relationship and potential diagnostic value of the SNPs and miRNAs among Chinese gastric cancer (GC) patients. METHODS: We performed a case-control study with 819 GC patients and 756 cancer-free controls. Genotyping by realtime PCR assay, cell transfection, and the dual luciferase reporter assay were used in our study, and the 5-year overall survival rate and relapse-free survival rate in different groups were investigated. RESULTS: We found that patients suffering from Helicobacter pylori (Hp) infection were the susceptible population compared to controls. SNP rs56288038 (C/G) in IRF-1 3'UTR was involved in the occurrence of GC by acting as a tumor promoter factor. SNP rs56288038 (C/G) could be up-regulated by miR-502-5p, which caused a down regulation of IRF-1 in cell lines and decreased apoptosis induced by IFN-gamma. Carrying the G genotype was related to significantly low expression of IRF-1 and Hp infection, poor differentiation, big tumor size, invasion depth, as well as the high probability of metastasis, and moreover, the C/G SNP was associated with shorter survival of GC patients with five years of follow-up study. CONCLUSIONS: our findings have shown that the SNP rs56288038 (C/G) in IRF-1 3'UTR acted as a promotion factor in GC development through enhancing the regulatory role of miR 502-5p in IRF-1 expression. PMID- 27866196 TI - Down-Regulation of Protein Kinase C-epsilon by Prolonged Incubation with PMA Inhibits the Proliferation of Vascular Smooth Muscle Cells. AB - BACKGROUND/AIMS: Phorbol myristate acetate (PMA) exerts a pleiotropic effect on the growth and differentiation of various cells. Protein kinase Cs (PKCs) plays a central role in mediating the effects of PMA on cells. The present study investigated whether the down-regulation of protein kinase C-epsilon (PKC epsilon) is involved in the inhibition of vascular smooth muscle cell (VSMC) proliferation caused by prolonged PMA incubation. METHODS: Using cell counting, Cell Counting Kit-8 (CCK-8) and EdU incorporation assay on VSMCs, we evaluated the inhibitory effects of prolonged incubation of PMA, of lentiviruses carrying the short-hairpin RNAs (shRNA) of PKC-epsilon and of the PKC-epsilon inhibitor peptide on the proliferation and viability of cells. The effect of PKC-epsilon down-regulation on growth of rat breast cancer SHZ-88 cells was also measured. RESULTS: The prolonged incubation of VSMCs with PMA for up to 72 hours resulted in attenuated cell growth rates in a time-dependent manner. The expression of PKC epsilon, as assessed by Western blotting, was also decreased accordingly. Notably, the number of EdU-positive cells and the cell viability of VSMCs were decreased by shRNA of PKC-epsilon and the PKC-epsilon inhibitor peptide, respectively. The proliferation of rat breast cancer SHZ-88 cells was also attenuated by lentivirus-induced shRNA silencing of PKC-epsilon. CONCLUSIONS: Prolonged incubation of PMA can inhibit the expression of PKC-epsilon. The effect results in the inhibition of VSMC proliferation. PKC-epsilon silencing can also attenuate breast cancer cell growth, suggesting that PKC-epsilon may be a potential target for anti-cancer drugs. PMID- 27866198 TI - Proteomic Analysis and Identification of Paracrine Factors in Mesenchymal Stem Cell-Conditioned Media under Hypoxia. AB - BACKGROUND/AIMS: We previously showed that a hypoxic environment modulates the antiarrhythmic potential of mesenchymal stem cells. METHODS: To investigate the mechanism by which secreted proteins contribute to the pathogenesis of antiarrhythmic potential in mesenchymal stem cells, we used two-dimensional electrophoresis combined with MALDI-TOF-MS to perform a proteomic analysis to compare the paracrine media produced by normoxic and hypoxic cells. RESULTS: The proteomic analysis revealed that 66 protein spots out of a total of 231 matched spots indicated differential expression between the normoxic and hypoxic conditioned media of mesenchymal stem cells. Interestingly, two tropomyosin isoforms were dramatically increased in the hypoxic conditioned medium of mesenchymal stem cells. An increase in tropomyosin was confirmed using Western blot to analyze the conditioned media between normoxic and hypoxic cells. In a network analysis based on gene ontology (GO) Molecular Function by GeneMANIA analysis, most of the identified proteins were found to be involved in the regulation of heart processes. CONCLUSION: Our results show that hypoxia up regulates tropomyosin and other secreted proteins which suggests that tropomyosin may be involved in regulating proarrhythmic and antiarrhythmic functions. PMID- 27866199 TI - The Experience of Relations in Persons with Dementia: A Systematic Meta Synthesis. AB - BACKGROUND: Dementia influences a person's experience of social relationships, as described in several studies. In this systematic meta-synthesis of qualitative studies, we aim to interpret and synthesize the experiences of persons with dementias and their relations with others. SUMMARY: Living with dementia changes life, leading to new social roles and different social statuses. Persons with dementia experience being disconnected and dependent on others, feeling like being a burden, and being a person who is treated in paternalistic ways. Family, friends and others with dementia might play significant roles in their ability to maintain a meaningful life. Key Messages: Three categories emerged from the data, change in life, change in relations, and maintenance of meaningful aspects in life; these categories are intertwined and essential in sustaining a lifeline for persons with dementia. The comprehensive meaning of the material is understood as the expression: Living a meaningful life in relational changes. PMID- 27866200 TI - Implementation of a Simplified Regional Citrate Anticoagulation Protocol for Post Dilution Continuous Hemofiltration Using a Bicarbonate Buffered, Calcium Containing Replacement Solution. AB - BACKGROUND/AIMS: Recent updates to the Nikkiso Aquarius continuous renal replacement therapy (CRRT) platform allowed us to develop a post-dilution protocol for regional citrate anticoagulation (RCA) using standard bicarbonate buffered, calcium containing replacement solution with acid citrate dextrose formula-A as a citrate source. Our objective was to demonstrate that the protocol was safe and effective. METHODS: Prospective audit of consecutive patients receiving RCA for CRRT within intensive care unit, who were either contraindicated to heparin or had poor filter lifespan (<12 h for 2 consecutive filters) on heparin. RESULTS: We present the first 29 patients who used 98 filters. After excluding 'non-clot' filter loss, 50% had a duration of >27 h. Calcium supplementation was required for 30 (30%) filter circuits, in 17 of 29 (58%) patients. One patient discontinued the treatment due to metabolic alkalosis, but there were no adverse bleeding events. CONCLUSION: Post-dilution RCA system is effective and simple to use on the Aquarius platform and results in comparable filter life for patients relatively contraindicated to heparin. PMID- 27866201 TI - Comparative Analysis of Gene Regulatory Network Components in the Auditory Hindbrain of Mice and Chicken. AB - The neurons in the mammalian and avian auditory hindbrain nuclei share a number of significant morphological and physiological properties for fast, secure and precise neurotransmission, such as giant synapses, voltage-gated K+ channels and fast AMPA receptors. Based on the independent evolution of the middle ear in these two vertebrate lineages, on different embryonic origins of the nuclei and on marked differences on the circuit level, these similarities are assumed to reflect convergent evolution. Independent acquisition of similar phenotypes can be produced by divergent evolution of genetic mechanisms or by similar molecular mechanisms. The distinction between these two possibilities requires knowledge of the gene regulatory networks (GRNs) that orchestrate the development of auditory hindbrain structures. We therefore compared the expression pattern of GRN components, both transcription factors (TFs) and noncoding RNA, during terminal differentiation of the auditory hindbrain structures in mouse and chicken when neurons acquire their final morphological and electrophysiological properties. In general, we observed broad expression of these genes in the mouse auditory cochlear nucleus complex and the superior olivary complex at both postnatal day 4 (P4) and at P25, and for the chicken at the equivalent developmental stages, i.e. embryonic day 13 (E13) and at P14-P17. Our data are in agreement with a model based on similar molecular mechanisms underlying terminal differentiation and maintenance of neuronal cell identity in the auditory hindbrain of different vertebrate lineages. This conservation might reflect developmental constraints arising from the tagmatic organization of rhombomeres and the evolutionarily highly conserved GRNs operating in these structures. PMID- 27866202 TI - The Evolution of Thyroid Function after Presenting with Hashimoto Thyroiditis Is Different between Initially Euthyroid Girls with and Those without Turner Syndrome. AB - AIM: To prospectively investigate, during a 5-year follow-up, whether the prognosis of thyroid function with Hashimoto thyroiditis (HT) is different in euthyroid girls with Turner syndrome (TS) than in euthyroid girls without TS. DESIGN: In 66 TS girls and 132 non-TS girls with euthyroid HT and similar thyroid functional test results at HT diagnosis, we followed up the evolution of thyroid status over time. RESULTS: At the end of follow-up, the TS girls exhibited higher TSH levels, lower fT4 levels, and lower prevalence rates of both euthyroidism and subclinical hypothyroidism, but higher prevalence rates of both overt hypothyroidism and hyperthyroidism, irrespective of the karyotype. CONCLUSIONS: An association with TS is able to impair the long-term prognosis of thyroid function in girls with HT. Such an effect occurs irrespective of thyroid functional test results at HT diagnosis and is not necessarily linked with a specific karyotype. PMID- 27866204 TI - More Attention Should Be Paid to Monitoring of Abdominal Obesity among Children and Adolescents. PMID- 27866203 TI - Frontal Assessment Battery as a Useful Tool to Differentiate Mild Cognitive Impairment due to Subcortical Ischemic Vascular Disease from Alzheimer Disease. AB - BACKGROUND: Prominent executive dysfunction can differentiate vascular dementia from Alzheimer disease (AD). However, it is unclear whether the Frontal Assessment Battery (FAB) screening tool can differentiate subcortical ischemic vascular disease (SIVD) from AD at the pre-dementia stage. In addition, the neural correlates of FAB performance have yet to be clarified. METHODS: Patients with mild cognitive impairment (MCI) due to SIVD (MCI-V), MCI due to AD (MCI-A), and demographically matched controls completed the Mini-Mental State Examination, Taiwanese FAB (TFAB), Category Fluency, and Chinese Version of the Verbal Learning Test, and underwent magnetic resonance imaging. White matter hyperintensities were rated according to the Scheltens scale. RESULTS: TFAB total scale and its Orthographical Fluency subtest were the only measures that could differentiate MCI-V from MCI-A. Discriminative analysis showed that Orthographical Fluency scores successfully identified 73.2% of the cases with MCI V, with 85.0% sensitivity. Orthographical Fluency scores were specifically associated with lesion load within frontal periventricular, frontal deep white matter, and basal ganglia regions. CONCLUSION: The TFAB, and especially its 1-min Orthographical Fluency subtest, is a useful screening procedure to differentiate MCI due to SIVD from MCI due to AD. The discriminative ability is probably due to frontosubcortical white matter pathologies disproportionately involved in the two disease entities. PMID- 27866205 TI - Disparities in Kidney Transplantation Access among Korean Patients Initiating Dialysis: A Population-Based Cohort Study Using National Health Insurance Data (2003-2013). AB - BACKGROUND: The socioeconomic status of a person has an impact on his or her access to kidney transplantation as has been reported in western countries. This study examined the association between income level and kidney transplantation among chronic kidney disease patients undergoing dialysis in South Korea. METHODS: We analyzed data from 1,792 chronic kidney disease patients undergoing dialysis and listed in the Korean National Health Insurance Claim Database (2003 2013). The likelihood of receiving the first kidney transplant over time was analyzed using competing risk proportional hazard models on time from initiating dialysis to receiving a transplant. RESULTS: Of 1,792 patients on dialysis, only 184 patients (10.3%) received kidney transplants. Patients with medical aid had the lowest kidney transplantation rate (hazard ratio 0.29, 95% CI 0.16-0.51). A lower income level was significantly associated with a low kidney transplantation rate, after adjusting for covariates, compared to patients in the high-income level group. CONCLUSIONS: Our findings indicate that in South Korea, the total number of kidney transplants is remarkably low and there exists income disparity with regard to access to kidney transplantation. Thus, we suggest that plans be implemented to encourage organ donation and increase organ transplant accessibility for all patients irrespective of their socioeconomic status. PMID- 27866208 TI - Kidney Cancer Linked to Chronic Hepatitis in the Asia-Pacific: A Population-Based Analysis. AB - BACKGROUND: The association of renal cancer with viral hepatitis infection remains unclear. Using an insurance data set, this population-based case-control study evaluated the association of renal cancer with chronic hepatitis virus infection in an endemic area of hepatitis B virus (HBV) and hepatitis C virus (HCV) infection. METHODS: We enrolled 17,747 patients with renal cancer during the period from 2000 to 2011 from the National Health Insurance Research Database of Taiwan. The control group comprised 35,494 randomly selected people without renal cancer matched by age and gender to the patients in the study group. ORs were calculated to assess the association of chronic hepatitis virus infection with renal cancer by using logistic regression analysis. RESULTS: Renal cancer was associated with HBV and HCV infection (OR 1.38, 95% CI 1.24-1.54; OR 1.24, 95% CI 1.07-1.44, respectively). An analysis stratified by gender and age revealed that young male HBV carriers had a higher risk of renal cancer compared with men without viral hepatitis (age <55 years: OR 1.94, 95% CI 1.57-2.39; 55<= age <64 years: OR 1.40, 95% CI 1.05-1.86). Male HCV-infected patients aged <55 years (OR 1.90, 95% CI 1.11-3.26) and female HCV carriers aged between 55 and 64 years (OR 1.59, 95% CI 1.00-2.53) had a significantly higher risk of renal cancer compared with their counterparts. CONCLUSIONS: Renal cancer is significantly associated with chronic hepatitis infection, particularly in younger HBV-infected men. PMID- 27866206 TI - Genome-Wide STAT3 Binding Analysis after Histone Deacetylase Inhibition Reveals Novel Target Genes in Dendritic Cells. AB - STAT3 is a master transcriptional regulator that plays an important role in the induction of both immune activation and immune tolerance in dendritic cells (DCs). The transcriptional targets of STAT3 in promoting DC activation are becoming increasingly understood; however, the mechanisms underpinning its role in causing DC suppression remain largely unknown. To determine the functional gene targets of STAT3, we compared the genome-wide binding of STAT3 using ChIP sequencing coupled with gene expression microarrays to determine STAT3-dependent gene regulation in DCs after histone deacetylase (HDAC) inhibition. HDAC inhibition boosted the ability of STAT3 to bind to distinct DNA targets and regulate gene expression. Among the top 500 STAT3 binding sites, the frequency of canonical motifs was significantly higher than that of noncanonical motifs. Functional analysis revealed that after treatment with an HDAC inhibitor, the upregulated STAT3 target genes were those that were primarily the negative regulators of proinflammatory cytokines and those in the IL-10 signaling pathway. The downregulated STAT3-dependent targets were those involved in immune effector processes and antigen processing/presentation. The expression and functional relevance of these genes were validated. Specifically, functional studies confirmed that the upregulation of IL-10Ra by STAT3 contributed to the suppressive function of DCs following HDAC inhibition. PMID- 27866209 TI - Local Ecological Knowledge about Endangered Primates in a Rural Community in Paraiba, Brazil. AB - The study of local ecological knowledge (LEK) fosters a better understanding of the relationship between humans and the environment. We assessed respondents' ecological knowledge of primates in a rural community located near the Atlantic Forest remnants in the state of Paraiba, Brazil. Populations of Alouatta belzebul (red-handed howler monkeys), Sapajus flavius (blonde capuchins), and Callithrix jacchus (the common marmoset) inhabit the region. We conducted 200 semi structured interviews and applied thematic content analysis, with weighting, to the responses to quantify the LEK. Respondents showed a low LEK, despite the community's proximity to forest remnants. However, the LEK was significantly higher among men, as well as among those who had a greater degree of contact with the primates. Age did not influence LEK. The studied community apparently does not intensively exploit the forest resources nor does it economically depend on primates, which may explain these individuals' low levels of knowledge about these animals. Such data may support future studies, as well as environmental education and action plans, especially for A. belzebul and S. flavius, both of which are endangered species and targets of the National Action Plan for the Conservation of the Primates of the Northeast. PMID- 27866207 TI - Post-Stroke Fatigue May Be Associated with the Promoter Region of a Monoamine Oxidase A Gene Polymorphism. AB - BACKGROUND: Post-stroke fatigue (PSF) is a common sequela of stroke. Despite reports of serotonergic involvement in the etiology of PSF, the potential contribution of serotonergic genes in the development of PSF needs to be investigated. METHODS: A total of 373 patients, who experienced ischemic stroke for PSF, were evaluated 3 months after the stroke. PSF was assessed using the Fatigue Severity Scale. The genomic DNA collected and stored in a -70 degrees C freezer was genotyped for 6 polymorphisms in genes associated with serotonin synthesis (tryptophan hydroxylase 1 (TPH1) A218C, TPH2 rs10879355, and TPH2 rs4641528), transport (the promoter region of the serotonin transporter protein), and catabolism (the 30-bp functional variable number tandem repeat) polymorphism in the promoter region of monoamine oxidase A (MAO-A). RESULTS: Among the 373 patients, 164 (44%) had PSF. All patients were ethnic Koreans. Of the 6 polymorphisms examined, only one marker, that is, low-activity MAO-A was associated with PSF (p < 0.05) in female patients. Multiple logistic regression analyses showed that post-stroke depression (PSD; 95% CI 1.561-14.323, p = 0.006) and low MAO-A activity (95% CI 0.166-0.722, p = 0.005) were factors associated with PSF in female patients, whereas only PSD (95% CI 5.511-65.269, p = 0.000) was associated with PSF in male patients. CONCLUSIONS: Our findings suggest that PSF may be associated with a genetic polymorphism involving MAO-A, at least in female stroke patients. PMID- 27866210 TI - Body Composition in Very Preterm Infants: Role of Neonatal Characteristics and Nutrition in Achieving Growth Similar to Term Infants. AB - BACKGROUND: The identification of factors involved in the postnatal growth of preterm infants will help achieve growth similar to that of term infants. OBJECTIVES: As per protocol: to compare body composition in very preterm infants at term-corrected age (TCA) with that in term infants, and to explore relationships between neonatal characteristics and body composition in preterm infants. METHODS: Anthropometry, nutritional characteristics, and neonatal outcomes were prospectively collected in 26 preterm (<29 weeks) and 33 term (37 40 weeks) infants. Body composition using dual-energy X-ray absorptiometry (DXA) was measured at TCA in preterm infants and between days 7 and 10 in term infants. RESULTS: Parenteral nutrition in preterm infants provided a mean of 2.9 +/- 0.2 and 2.1 +/- 0.5 g/kg/day of intravenous amino acids and lipids, respectively, during the first week of life. The mean weight gain velocity from birth to DXA assessment was 12.1 +/- 1.4 g/kg/day. Compared with term infants, preterm infants at TCA were shorter and lighter, with a smaller head circumference, a lower weight estimated by DXA (2,960 +/- 552 vs. 3,843 +/- 377 g), and increased skinfold thicknesses. Fat mass percent (13.9 +/- 5.4%) and lean mass percent (84.7 +/- 5.6%) in preterm infants were similar to those in term infants (14.7 +/ 3.5 and 83.5 +/- 3.6%, respectively). Neonatal weight gain velocity in preterm infants was positively associated with lean mass (grams). CONCLUSION: Subcutaneous fat is increased in preterm infants. Higher protein intake in preterm infants might increase weight gain velocity and achieve a lean mass comparable to that of term infants. PMID- 27866212 TI - Expression of IL-1alpha and IL-6 is Associated with Progression and Prognosis of Human Cervical Cancer. AB - BACKGROUND IL-1alpha and IL-6 are associated with the prognosis of a wide range of cancers, but their value in cervical cancer remains controversial. The aim of this study was to investigate the expression of IL-1alpha and IL-6 in cervical cancer and their significance in clinical prognosis. MATERIAL AND METHODS The expression of IL-1alpha and IL-6 in 105 formalin-fixed, paraffin-embedded cervical cancer tissues and adjacent non-tumor tissues was examined by immunohistochemistry. The results were semi-quantitatively scored and analyzed by chi-square test. Patient overall survival (OS) data was collected by follow-up and analyzed by Kaplan-Meier analysis. RESULTS The expression level of both IL 1alpha and IL-6 in cervical cancer tissue was higher than in adjacent non-tumor tissues (p<0.05). IL-1alpha expression was shown to be correlated with tumor size, FIGO histology grade, lymph node metastasis, stromal invasion, and tumor differentiation (p<0.05). IL-6 expression was shown to be correlated with tumor size, FIGO histology grade, and tumor differentiation (p<0.05). Patients with positive expression of IL-1alpha or IL-6 tended to have much shorter survival times than patients with negative expression. In addition, a multivariate Cox regression analysis demonstrated that IL-1alpha expression and lymph node metastasis were independent predictors of OS in cervical cancer patients. CONCLUSIONS The expression of IL-1alpha was significantly associated with tumor size, FIGO histology grade, lymph node metastasis, stromal invasion, and tumor differentiation. The expression of IL-6 was significantly associated with tumor size, FIGO histology grade, and tumor differentiation. Positive IL-1alpha and IL 6 expression was significantly correlated with poor prognosis. They may be considered valuable biomarkers for prognosis and potential therapeutic targets for cervical cancer. PMID- 27866211 TI - Single-Nucleotide Polymorphisms of Genes Involved in Repair of Oxidative DNA Damage and the Risk of Recurrent Depressive Disorder. AB - BACKGROUND Depressive disorder, including recurrent type (rDD), is accompanied by increased oxidative stress and activation of inflammatory pathways, which may induce DNA damage. This thesis is supported by the presence of increased levels of DNA damage in depressed patients. Such DNA damage is repaired by the base excision repair (BER) pathway. BER efficiency may be influenced by polymorphisms in BER-related genes. Therefore, we genotyped nine single-nucleotide polymorphisms (SNPs) in six genes encoding BER proteins. MATERIAL AND METHODS Using TaqMan, we selected and genotyped the following SNPs: c.-441G>A (rs174538) of FEN1, c.2285T>C (rs1136410) of PARP1, c.580C>T (rs1799782) and c.1196A>G (rs25487) of XRCC1, c.*83A>C (rs4796030) and c.*50C>T (rs1052536) of LIG3, c. 7C>T (rs20579) of LIG1, and c.-468T>G (rs1760944) and c.444T>G (rs1130409) of APEX1 in 599 samples (288 rDD patients and 311 controls). RESULTS We found a strong correlation between rDD and both SNPs of LIG3, their haplotypes, as well as a weaker association with the c.-468T>G of APEXI which diminished after Nyholt correction. Polymorphisms of LIG3 were also associated with early onset versus late onset depression, whereas the c.-468T>G polymorphism showed the opposite association. CONCLUSIONS The SNPs of genes involved in the repair of oxidative DNA damage may modulate rDD risk. Since this is an exploratory study, the results should to be treated with caution and further work needs to be done to elucidate the exact involvement of DNA damage and repair mechanisms in the development of this disease. PMID- 27866213 TI - Is overlap of respiratory and limb muscle weakness at weaning from mechanical ventilation associated with poorer outcomes? PMID- 27866214 TI - Vesicouterine fistula: teaching video on diagnosis and surgical treatment. AB - INTRODUCTION: A 42-year-old woman presented with urinary incontinence 9 years after the last of four vaginal deliveries. She had also had one Caesarean section. Immediately after the last delivery, she presented with haematuria, which resolved within a few hours, but the drain remained prophylactically for 7 days. Nine years later, she was referred to a specialist hospital. METHOD: The patient presented with continuous urinary incontinence, and physical examination revealed a loss of urine from the vagina, the latter confirmed by a methylene blue test showing loss of urine from the uterine cervix. Other diagnostic techniques used were cystography, cystoscopy and uro-CT. Based on a literature review of the management options for such patients and the relevant clinical details of our patient, a decision was made to perform a total abdominal hysterectomy and fistula repair. RESULTS AND DISCUSSION: Six months following surgery, the results were entirely satisfactory, with full urinary continence and significant improvement in the patient's quality of life. A discussion about controversial approaches to diagnosis and management is included. PMID- 27866215 TI - Impact of body mass index on risk of acute kidney injury and mortality in elderly patients undergoing hip fracture surgery. AB - : The literature is limited regarding risk factors for acute kidney injury (AKI) and mortality in hip fracture patients, although AKI is common in these patients. While obese patients were at increased risk of AKI, underweight patients with and without AKI had elevated mortality for up to 1 year after hip fracture surgery, compared with normal-weight patients. INTRODUCTION: This study aimed to examine risk of postoperative AKI and subsequent mortality, by body mass index (BMI) level, in hip fracture surgery patients aged 65 and over. METHODS: A regional cohort study using medical databases was used. We included all patients who underwent surgery to repair a hip fracture during the years 2005-2011 (n = 13,529) at hospitals in Northern Denmark. We calculated cumulative risk of AKI by BMI level during 5 days postsurgery and subsequent short-term (6-30 days postsurgery) and long-term (31-365 days post-surgery) mortality. We calculated crude and adjusted hazard ratios (aHRs) for AKI and death with 95% confidence intervals (CIs), comparing underweight, overweight, and obese patients with normal-weight patients. RESULTS: Risks of AKI within five postoperative days were 11.9, 10.1, 12.5, and 17.9% for normal-weight, underweight, overweight, and obese patients, respectively. Among those who developed AKI, short-term mortality was 14.1% for normal-weight patients compared to 23.1% for underweight (aHR 1.7 (95% CI 1.2-2.4)), 10.7% for overweight (aHR 0.9 (95% CI 0.6-1.1)), and 15.2% for obese (aHR 0.9 (95% CI 0.6-1.4)) patients. Long-term mortality was 24.5% for normal-weight, 43.8% for underweight (aHR 1.6 (95% CI 1.0-2.6)), 20.5% for overweight (aHR 0.8 (95% CI 0.6-1.2)), and 21.4% for obese (aHR 1.1 (95% CI 0.7 1.8) AKI patients. Similar associations between BMI and mortality were observed among patients without postoperative AKI, although the absolute mortality risk estimates by BMI were considerably lower in patients without than in those with AKI. CONCLUSIONS: Obese patients were at increased risk of AKI compared with normal-weight patients. Among patients with and without postoperative AKI, overweight and obesity were not associated with mortality. Compared to normal weight patients, underweight patients had elevated mortality for up to 1 year after hip fracture surgery irrespective of the presence of AKI. The absolute mortality risks were higher in all BMI groups with the presence of AKI. PMID- 27866217 TI - Osteonecrosis of the jaw (ONJ) and atypical femoral fracture (AFF) in an osteoporotic patient chronically treated with bisphosphonates. AB - The aim of the study is to report the rare association of two complications of long-term treatment of osteoporosis with bisphosphonates in the same Caucasian elderly patient. A female patient of Italian descent, age 87 years, consulted in February 2013. She had a history of osteoporosis and had taken alendronate weekly for 7 years (1999-2006). Due to low back pain, an orthopedist had indicated i.v. zoledronic acid, 5 mg/year for 3 years (2006-2008). She received occasional supplements of ergocalciferol. In 2009, she suffered a fall and sustained a subtrochanteric fracture of the left femur. She was operated on and recovered uneventfully. In 2012, she consulted a dentist due to loose teeth. She underwent the removal of a molar and was given a denture. She had discomfort when using the prosthesis, and developed an ulceration in the gum of the mandible, which exposed the bone and did not heal for 2 months. After radiologic studies, the diagnosis was osteonecrosis of the jaw. She improved after surgical debridement and local and systemic antibiotics. In early 2013, laboratory tests were normal except for a slight elevation of serum PTH and CTX-I. Calcitriol 0.25 mcg/day was prescribed; after 3 months serum calcium, phosphate, PTH, and CTX-I showed no variation. Two years later, she experienced acute low back pain after a fall; MRI showed recent crushing of D12, and chronic deformities of D11 and L1. Bone densitometry of her right hip (DXA) showed a T-score of -2.3 at the femoral neck. An X-ray film of the right femur showed diffuse thickening of both cortices. She was treated with nasal calcitonin and analgesics. After the back pain subsided, she was treated with s.c. denosumab. Although the association of ONJ and AFF was known in cancer patients treated with high doses of bisphosphonates, it is very rare in patients with osteoporosis receiving these drugs at usual doses. Only three cases have been reported, all in oriental women. This appears to be the first reported case in a Caucasian woman. PMID- 27866216 TI - Association of circulating dipeptidyl-peptidase 4 levels with osteoporotic fracture in postmenopausal women. AB - : Postmenopausal women with osteoporotic fracture (OF) had higher plasma dipeptidyl-peptidase 4 (DPP4) levels than those without. Furthermore, higher plasma DPP4 levels were significantly associated with higher bone turnover and a higher prevalence of OF. These results indicated that DPP4 may be associated with OF by mediating bone turnover rate. INTRODUCTION: Evidence indicates that dipeptidyl-peptidase 4 (DPP4) plays a distinct role in bone metabolism. However, there has been no report on the association, if any, between circulating DPP4 levels and osteoporosis-related phenotypes, including osteoporotic fracture (OF). Therefore, we performed a case-control study to investigate these associations in postmenopausal women. METHODS: This study was conducted in multiple centers in Korea. We enrolled 178 cases with OF and 178 age- and body mass index-matched controls. OF was assessed by an interviewer-assisted questionnaire and lateral thoracolumbar radiographs. Bone turnover markers (BTMs), bone mineral density (BMD), and plasma DPP4 levels were obtained in all subjects. RESULTS: After adjustment for potential confounders, subjects with OF had significantly higher DPP4 levels than those without (P = 0.021). Higher DPP4 levels were significantly positively associated with higher levels of all BTMs, but not with BMD at all measured sites. The differences in DPP4 levels according to OF status disappeared after an additional adjustment for each BTM, but not after adjustment for any BMD values. BTMs explained approximately half of the relationship between DPP4 and OF. The risk of OF was 3.80-fold (95% confidence interval = 1.53-9.42) higher in subjects in the highest DPP4 quartile than in those in the lowest quartile after adjustment for potential confounders, including femoral neck BMD. CONCLUSIONS: DPP4 may be associated with OF by at least partly mediating the bone turnover rate. Circulating DPP4 levels may be a potential biomarker that could increase the predictive power of current fracture risk assessment models. PMID- 27866218 TI - Prevalence of negative CT scans in a level one trauma center. AB - PURPOSE: The rise of computed tomography (CT) use in trauma has become the subject of concern given the harms of CT including radiation, cost, over diagnosis and identification of incidental lesions. We developed a novel metric, the Negative CT Score, (?CT-) which quantifies how often CT imaging identifies important injuries. Our objective was to describe the pattern of CT utilization in trauma at an urban academic level one trauma center using this novel metric. METHODS: This was a retrospective study of intermediate level trauma patients who received CT imaging over a 1-year study period at an urban level one trauma center. We applied the Negative CT Score, (?CT-) to quantify the results of CT imaging. ?CT- is computed by subtracting the number of non-extremity body regions (maximum four: head, neck, chest, abdomen) with an important positive CT finding (defined by a priori criteria) from the total number of non-extremity body regions scanned. RESULTS: Of the 552 cases reviewed during the study period, 410 (74.3%) were male and the mean age was 40.3 years [SD +/- 21.2]. Four hundred eighty-six patients (88.0%) suffered blunt trauma; 66 (12.0%) suffered penetrating trauma. The average injury severity score for admitted patients was seven. Four hundred ninety-five cases had at least one CT performed. The average number of regions per patient that received CT imaging was 2.36 (SD +/- 1.3), and the average ?CT- was 2.10 (SD +/- 1.2). Three hundred and sixty-seven (74.3%) patients had no important findings on CT imaging. CONCLUSIONS: In a consecutive series of 552 intermediate trauma patients at our urban trauma center, 2.36 body regions were scanned per patient; of these, 2.10 regions revealed no important CT findings. We hope that these results and the Negative CT Score can be used to identify trends, variations in practice, and outliers within and across departments so that CT utilization can be optimized. PMID- 27866219 TI - Mental health of children who work on the streets in Brazil after enrollment in a psychosocial program. AB - PURPOSE: To evaluate the mental health status of children working on the streets in Sao Paulo City, Brazil, two years after their participation in a psychosocial program, and to identify factors associated with their mental health status. METHODS: From a total sample of 126 children working on the streets, 107 (85%) were re-evaluated two years after the initiation of a psychosocial program which aimed to cease their work on the streets. The focus was the presence of mental health problems, defined based on a screening instrument (Strengths and Difficulties Questionnaire). Logistic regression models tested factors related to the probability that a child would not present mental health problems at follow up. RESULTS: The likelihood of a child presenting mental health problems was higher at baseline compared to the two-year follow-up (67.5 and 56.1%, respectively). Absence of mental health problems two years after a psychosocial intervention was significantly correlated with the following baseline factors: lower level of caregiver's psychiatric symptoms as measured by the SRQ (Self Report Questionnaire) (AOR = 0.84, p = 0.0065), absence of child physical neglect (AOR = 0.38, p = 0.0705) and parental Protestant religion affiliation, compared to other religions (AOR = 4.06; p = 0.0107). CONCLUSIONS: Different factors are related to the absence of mental health problems of children working on the streets after enrollment in a two-year psychosocial program. Our findings suggest that interventions that aim to improve child mental health should consider the detection of psychiatric symptoms in caregivers, provide treatment when it is needed, and also assess other problems such as neglect in the family setting. PMID- 27866222 TI - The cytoskeletal protein septin 11 is associated with human obesity and is involved in adipocyte lipid storage and metabolism. AB - AIMS/HYPOTHESIS: Septins are newly identified members of the cytoskeleton that have been proposed as biomarkers of a number of diseases. However, septins have not been characterised in adipose tissue and their relationship with obesity and insulin resistance remains unknown. Herein, we characterised a member of this family, septin 11 (SEPT11), in human adipose tissue and analysed its potential involvement in the regulation of adipocyte metabolism. METHODS: Gene and protein expression levels of SEPT11 were analysed in human adipose tissue. SEPT11 distribution was evaluated by immunocytochemistry, electron microscopy and subcellular fractionation techniques. Glutathione S-transferase (GST) pull-down, immunoprecipitation and yeast two-hybrid screening were used to identify the SEPT11 interactome. Gene silencing was used to assess the role of SEPT11 in the regulation of insulin signalling and lipid metabolism in adipocytes. RESULTS: We demonstrate the expression of SEPT11 in human adipocytes and its upregulation in obese individuals, with SEPT11 mRNA content positively correlating with variables of insulin resistance in subcutaneous adipose tissue. SEPT11 content was regulated by lipogenic, lipolytic and proinflammatory stimuli in human adipocytes. SEPT11 associated with caveolae in mature adipocytes and interacted with both caveolin-1 and the intracellular fatty acid chaperone, fatty acid binding protein 5 (FABP5). Lipid loading of adipocytes caused the association of the three proteins with the surface of lipid droplets. SEPT11 silencing impaired insulin signalling and insulin-induced lipid accumulation in adipocytes. CONCLUSIONS/INTERPRETATION: Our findings support a role for SEPT11 in lipid traffic and metabolism in adipocytes and open new avenues for research on the control of lipid storage in obesity and insulin resistance. PMID- 27866223 TI - Circulating microRNA levels predict residual beta cell function and glycaemic control in children with type 1 diabetes mellitus. AB - AIMS/HYPOTHESIS: We aimed to identify circulating microRNA (miRNA) that predicts clinical progression in a cohort of 123 children with new-onset type 1 diabetes mellitus. METHODS: Plasma samples were prospectively obtained at 1, 3, 6, 12 and 60 months after diagnosis from a subset of 40 children from the Danish Remission Phase Cohort, and profiled for miRNAs. At the same time points, meal-stimulated C peptide and HbA1c levels were measured and insulin-dose adjusted HbA1c (IDAA1c) calculated. miRNAs that at 3 months after diagnosis predicted residual beta cell function and glycaemic control in this subgroup were further validated in the remaining cohort (n = 83). Statistical analysis of miRNA prediction for disease progression was performed by multiple linear regression analysis adjusted for age and sex. RESULTS: In the discovery analysis, six miRNAs (hsa-miR-24-3p, hsa-miR 146a-5p, hsa-miR-194-5p, hsa-miR-197-3p, hsa-miR-301a-3p and hsa-miR-375) at 3 months correlated with residual beta cell function 6-12 months after diagnosis. Stimulated C-peptide at 12 months was predicted by hsa-miR-197-3p at 3 months (p = 0.034). A doubling of this miRNA level corresponded to a sixfold higher stimulated C-peptide level. In addition, a doubling of hsa-miR-24-3p and hsa-miR 146a-5p levels at 3 months corresponded to a 4.2% (p < 0.014) and 3.5% (p < 0.022) lower IDAA1c value at 12 months. Analysis of the remaining cohort confirmed the initial finding for hsa-miR-197-3p (p = 0.018). The target genes for the six miRNAs revealed significant enrichment for pathways related to gonadotropin-releasing hormone receptor and angiogenesis pathways. CONCLUSIONS/INTERPRETATION: The miRNA hsa-miR-197-3p at 3 months was the strongest predictor of residual beta cell function 1 year after diagnosis in children with type 1 diabetes mellitus. PMID- 27866221 TI - Inter-organ regulation of adipose tissue browning. AB - Adaptive thermogenesis is an important component of energy expenditure. Brown adipocytes are best known for their ability to convert chemical energy into heat. Beige cells are brown-like adipocytes that arise in white adipose tissue in response to certain environmental cues to dissipate heat and improve metabolic homeostasis. A large body of intrinsic factors and external signals are critical for the function of beige adipocytes. In this review, we discuss recent advances in our understanding of neuronal, hormonal, and metabolic regulation of the development and activation of beige adipocytes, with a focus on the regulation of beige adipocytes by other organs, tissues, and cells. Understanding the cellular and molecular mechanisms of inter-organ regulation of adipose tissue browning may provide an avenue for combating obesity and associated diseases. PMID- 27866225 TI - Characterization of a common wheat (Triticum aestivum L.) high-tillering dwarf mutant. AB - KEY MESSAGE: A novel high-tillering dwarf mutant in common wheat Wangshuibai was characterized and mapped to facilitate breeding for plant height and tiller and the future cloning of the causal gene. Tiller number and plant height are two major agronomic traits in cereal crops affecting plant architecture and grain yield. NAUH167, a mutant of common wheat landrace Wangshuibai induced by ethylmethyl sulfide (EMS) treatment, exhibits higher tiller number and reduced plant height. Microscope observation showed that the dwarf phenotype was attributed to the decrease in the number of cells and their length. The same as the wild type, the mutant was sensitive to exogenous gibberellins. Genetic analysis showed that the high-tillering number and dwarf phenotype were related and controlled by a partial recessive gene. Using a RIL2:6 population derived from the cross NAUH167/Sumai3, a molecular marker-based genetic map was constructed. The map consisted of 283 loci, spanning a total length of 1007.98 cM with an average markers interval of 3.56 cM. By composite interval mapping, a stable major QTL designated QHt.nau-2D controlling both traits, was mapped to the short arm of chromosome 2D flanked by markers Xcfd11 and Xgpw361. To further map the QHt.nau-2D loci, another population consisted of 180 F2 progeny from a cross 2011I-78/NAUH167 was constructed. Finally, QHt.nau-2D was located within a genetic region of 0.8 cM between markers QHT239 and QHT187 covering a predicted physical distance of 6.77 Mb. This research laid the foundation for map-based cloning of QHt.nau-2D and would facilitate the characterization of plant height and tiller number in wheat. PMID- 27866226 TI - High accuracy of predicting hybrid performance of Fusarium head blight resistance by mid-parent values in wheat. AB - KEY MESSAGE: Mid-parent values of Fusarium head blight (FHB) resistance tested across several locations are a good predictor of hybrid performance caused by a preponderance of additive gene action in wheat. Hybrid breeding is intensively discussed as one solution to boost yield and yield stability including an enhanced biotic stress resistance. Our objectives were to investigate (1) the heterosis for Fusarium head blight (FHB) resistance, (2) the importance of general (GCA) vs. specific combining ability (SCA) for FHB resistance, and (3) the possibility to predict the FHB resistance of the hybrids by the parental means. We re-analyzed phenotypic data of a large population comprising 1604 hybrids and their 120 female and 15 male parental lines evaluated in inoculation trials across seven environments. Mid-parent heterosis of FHB severity averaged 9%, with a range from -36 to +35%. Mean better parent heterosis was 2% and 78 of the hybrids significantly (P < 0.05) outperformed the best commercial check variety included in our study. FHB resistance was not correlated with grain yield in healthy status for lines (r = 0.01) and hybrids (r = 0.09, P < 0.01). While a preponderance of GCA variance (P < 0.01) was found, SCA variance was not significantly different from zero. Accuracy to predict hybrid performance of FHB severity based on mid-parent values and on GCA effects was high (r = 0.70 and 0.86, respectively; P < 0.01). Similarly, line per se performance and GCA effects were significantly correlated (r = 0.77; P < 0.01). The substantial level of mid parent heterosis in the desired direction of decreased susceptibility and the negligible better parent heterosis suggest that hybrids are an attractive alternative variety type to improve FHB resistance. PMID- 27866224 TI - The beneficial effects of empagliflozin, an SGLT2 inhibitor, on atherosclerosis in ApoE -/- mice fed a western diet. AB - AIMS/HYPOTHESIS: A recent large clinical study has shown that empagliflozin has a lower rate of cardiovascular and all-cause mortality when compared with placebo in patients with type 2 diabetes. We investigated the effect of empagliflozin (compared with glimepiride) on the progression of atherosclerosis, and its possible mechanisms of action. METHODS: Forty-eight 5-week-old male ApoE -/- mice were fed a western diet for 20 weeks and divided into four groups: control (saline, 154 mmol/l NaCl), glimepiride 0.1 mg/kg, empagliflozin 1 mg/kg and empagliflozin 3 mg/kg (n = 12/group). Plaque size and composition in the aortic arch/valve areas and cardiovascular risk variables in the blood and tissues were evaluated. Insulin resistance was estimated by HOMA and adiponectin levels. Body composition was determined using dual-energy x-ray absorptiometry. RESULTS: After 8 weeks of treatment, the empagliflozin and glimepiride groups exhibited decreased blood glucose levels. Atherosclerotic plaque areas in the aortic arch/valve were significantly smaller in the empagliflozin groups than in the control or glimepiride groups. Insulin resistance and circulating concentrations of TNF-alpha, IL-6, monocyte chemoattractant protein-1 (MCP-1), serum amyloid A and urinary microalbumin decreased after empagliflozin treatment, and this significantly correlated with plaque size. Empagliflozin treatment reduced weight and fat mass, lipid droplets in the liver, fat cell size, mRNA expression of Tnf, Il6 and Mcp-1 (also known as Ccl2) and the infiltration of inflammatory cells in plaque and adipose tissue compared with the control or glimepiride group. Empagliflozin treatment increased adiponectin levels. CONCLUSIONS/INTERPRETATION: Improvements in inflammation and insulin resistance seem to be mechanisms involved in the mitigation of atherosclerosis by empagliflozin. PMID- 27866227 TI - Genome-wide association mapping of resistance to eyespot disease (Pseudocercosporella herpotrichoides) in European winter wheat (Triticum aestivum L.) and fine-mapping of Pch1. AB - KEY MESSAGE: Genotypes with recombination events in the Triticum ventricosum introgression on chromosome 7D allowed to fine-map resistance gene Pch1, the main source of eyespot resistance in European winter wheat cultivars. Eyespot (also called Strawbreaker) is a common and serious fungal disease of winter wheat caused by the necrotrophic fungi Oculimacula yallundae and Oculimacula acuformis (former name Pseudocercosporella herpotrichoides). A genome-wide association study (GWAS) for eyespot was performed with 732 microsatellite markers (SSR) and 7761 mapped SNP markers derived from the 90 K iSELECT wheat array using a panel of 168 European winter wheat varieties as well as three spring wheat varieties and phenotypic evaluation of eyespot in field tests in three environments. Best linear unbiased estimations (BLUEs) were calculated across all trials and ranged from 1.20 (most resistant) to 5.73 (most susceptible) with an average value of 4.24 and a heritability of H 2 = 0.91. A total of 108 SSR and 235 SNP marker trait associations (MTAs) were identified by considering associations with a log10 (P value) >=3.0. Significant MTAs for eyespot-score BLUEs were found on chromosomes 1D, 2A, 2D, 3D, 5A, 5D, 6A, 7A and 7D for the SSR markers and chromosomes 1B, 2A, 2B, 2D, 3B and 7D for the SNP markers. For 18 varieties (10.5%), a highly resistant phenotype was detected that was linked to the presence of the resistance gene Pch1 on chromosome 7D. The identification of genotypes with recombination events in the introgressed genomic segment from Triticum ventricosum harboring the Pch1 resistance gene on chromosome 7DL allowed the fine-mapping of this gene using additional SNP markers and a potential candidate gene Traes_7DL_973A33763 coding for a CC-NBS-LRR class protein was identified. PMID- 27866220 TI - Molecular basis of mycobacterial survival in macrophages. AB - Macrophages play an essential role in the immune system by ingesting and degrading invading pathogens, initiating an inflammatory response and instructing adaptive immune cells, and resolving inflammation to restore homeostasis. More interesting is the fact that some bacteria have evolved to use macrophages as a natural habitat and tools of spread in the host, e.g., Mycobacterium tuberculosis (Mtb) and some non-tuberculous mycobacteria (NTM). Mtb is considered one of humanity's most successful pathogens and is the causal agent of tuberculosis, while NTMs cause opportunistic infections all of which are of significant public health concern. Here, we describe mechanisms by which intracellular pathogens, with an emphasis on mycobacteria, manipulate macrophage functions to circumvent killing and live inside these cells even under considerable immunological pressure. Such macrophage functions include the selective evasion or engagement of pattern recognition receptors, production of cytokines, reactive oxygen and nitrogen species, phagosome maturation, as well as other killing mechanisms like autophagy and cell death. A clear understanding of host responses elicited by a specific pathogen and strategies employed by the microbe to evade or exploit these is of significant importance for the development of effective vaccines and targeted immunotherapy against persistent intracellular infections like tuberculosis. PMID- 27866228 TI - Fine mapping of the chromosome 5B region carrying closely linked rust resistance genes Yr47 and Lr52 in wheat. AB - KEY MESSAGE: Fine mapping of Yr47 and Lr52 in chromosome arm 5BS of wheat identified close linkage of the marker sun180 to both genes and its robustness for marker-assisted selection was demonstrated. The widely effective and genetically linked rust resistance genes Yr47 and Lr52 have previously been mapped in the short arm of chromosome 5B in two F3 populations (Aus28183/Aus27229 and Aus28187/Aus27229). The Aus28183/Aus27229 F3 population was advanced to generate an F6 recombinant inbred line (RIL) population to identify markers closely linked with Yr47 and Lr52. Diverse genomic resources including flow sorted chromosome survey sequence contigs representing the orthologous region in Brachypodium distachyon, the physical map of chromosome arm 5BS, expressed sequence tags (ESTs) located in the 5BS6-0.81-1.00 deletion bin and resistance gene analog contigs of chromosome arm 5BS were used to develop markers to saturate the target region. Selective genotyping was also performed using the iSelect 90 K Infinium wheat SNP assay. A set of SSR, STS, gene-based and SNP markers were developed and genotyped on the Aus28183/Aus27229 RIL population. Yr47 and Lr52 are genetically distinct genes that mapped 0.4 cM apart in the RIL population. The SSR marker sun180 co-segregated with Lr52 and mapped 0.4 cM distal to Yr47. In a high resolution mapping population of 600 F2 genotypes Yr47 and Lr52 mapped 0.2 cM apart and marker sun180 was placed 0.4 cM distal to Lr52. The amplification of a different sun180 amplicon (195 bp) than that linked with Yr47 and Lr52 (200 bp) in 204 diverse wheat genotypes demonstrated its robustness for marker-assisted selection of these genes. PMID- 27866229 TI - Vascular epiphytes and host trees of ant-gardens in an anthropic landscape in southeastern Mexico. AB - Ant-gardens (AGs) are considered one of the most complex mutualist systems between ants and plants, since interactions involving dispersal, protection, and nutrition occur simultaneously in them; however, little is known about the effects of the transformation of ecosystems on their diversity and interactions. In five environments with different land use within an anthropic landscape in southeastern Mexico, we investigated the diversity and composition of epiphytes and host trees of AGs built by Azteca gnava. A total of 10,871 individuals of 26 epiphytic species, associating with 859 AGs located in 161 host trees, were recorded. The diversity and composition of epiphytes tended to be different between environments; however, Aechmea tillandsioides and Codonanthe uleana were the most important species and considered true AG epiphytes, because they were the most frequent, abundant, and occurred exclusively in AGs. Other important species were the orchids Epidendrum flexuosum, Coryanthes picturata, and Epidendrum pachyrachis, and should also be considered true AG epiphytes, because they occurred almost exclusively in the AGs. The AG abundance in agroforestry plantations was similar or even greater than in riparian vegetation (natural habitat). The AGs were registered in 37 host species but were more frequent in Mangifera indica and Citrus sinensis. We conclude that true epiphytes of A. gnava AGs persist in different environments and host trees, and even these AGs could proliferate in agroforestry plantations of anthropic landscapes. PMID- 27866232 TI - Surgical treatment of two adolescent athletes with dislocated avulsion fracture of the anterior superior iliac spine (ASIS). AB - INTRODUCTION: Avulsion fractures of the anterior superior iliac spine are rare. Therefore, evidence-based treatment guidelines do not exist. The therapeutic options are either conservative treatment or surgical intervention. The decision depends on grade of dislocation, age of the patient, and his sportive demands and competitive requirements. MATERIALS AND METHODS: We present the cases of two young athletes suffering from traumatic avulsion fractures of the anterior superior iliac spine. In both cases, the musculotendinous unit (sartorius muscle and tensor of the fascia lata) remained attached to the loose dislocated fragment. Both patients were treated by means of open reduction with a new surgical technique using suture anchors. RESULTS: Both patients were pain-free 4 weeks after surgery and had full range of motion. They were able to return to their preoperative sportive activity levels 10 weeks after surgery. No complications were reported at final follow-up 18 months postoperatively. CONCLUSION: Operative treatment of avulsion fracture of the ASIS using suture anchors shows excellent clinical outcome and a short convalescence period. The patients achieve their preinjury sportive levels within 3 months. PMID- 27866231 TI - Presynaptic proteins complexin-I and complexin-II differentially influence cognitive function in early and late stages of Alzheimer's disease. AB - Progressive accumulation of Alzheimer's disease-related pathology is associated with cognitive dysfunction. Differences in cognitive reserve may contribute to individual differences in cognitive function in the presence of comparable neuropathology. The protective effects of cognitive reserve could contribute differentially in early versus late stages of the disease. We investigated presynaptic proteins as measures of brain reserve (a subset of total cognitive reserve), and used Braak staging to estimate the progression of Alzheimer's disease. Antemortem evaluations of cognitive function, postmortem assessments of pathologic indices, and presynaptic protein analyses, including the complexins I and II as respective measures of inhibitory and excitatory terminal function, were assayed in multiple key brain regions in 418 deceased participants from a community study. After covarying for demographic variables, pathologic indices, and overall synapse density, lower brain complexin-I and -II levels contributed to cognitive dysfunction (P < 0.01). Each complexin appeared to be dysregulated at a different Braak stage. Inhibitory complexin-I explained 14.4% of the variance in global cognition in Braak 0-II, while excitatory complexin-II explained 7.3% of the variance in Braak V-VI. Unlike other presynaptic proteins, complexins did not colocalize with pathologic tau within neuritic plaques, suggesting that these functional components of the synaptic machinery are cleared early from dystrophic neurites. Moreover, complexin levels showed distinct patterns of change related to memory challenges in a rat model, supporting the functional specificity of these proteins. The present results suggest that disruption of inhibitory synaptic terminals may trigger early cognitive impairment, while excitatory terminal disruption may contribute relatively more to later cognitive impairment. PMID- 27866230 TI - Differential expression and emerging functions of non-coding RNAs in cold adaptation. AB - Several species undergo substantial physiological and biochemical changes to confront the harsh conditions associated with winter. Small mammalian hibernators and cold-hardy insects are examples of natural models of cold adaptation that have been amply explored. While the molecular picture associated with cold adaptation has started to become clearer in recent years, notably through the use of high-throughput experimental approaches, the underlying cold-associated functions attributed to several non-coding RNAs, including microRNAs (miRNAs) and long non-coding RNAs (lncRNAs), remain to be better characterized. Nevertheless, key pioneering work has provided clues on the likely relevance of these molecules in cold adaptation. With an emphasis on mammalian hibernation and insect cold hardiness, this work first reviews various molecular changes documented so far in these processes. The cascades leading to miRNA and lncRNA production as well as the mechanisms of action of these non-coding RNAs are subsequently described. Finally, we present examples of differentially expressed non-coding RNAs in models of cold adaptation and elaborate on the potential significance of this modulation with respect to low-temperature adaptation. PMID- 27866234 TI - The RNA World at Thirty: A Look Back with its Author. AB - Thirty years ago, molecular biologist Walter Gilbert published his RNA world hypothesis, which posited that early in evolution living systems were composed entirely of RNA. Proposed in the immediate wake of the discovery that certain RNA molecules were capable of catalyzing biological reactions, the hypothesis ascribed both of life's essential functions, namely carrying information and catalysis-respectively, performed by DNA and proteins in most modern life systems to RNA, which were labeled as ribozymes. In the years since its inception, the RNA world has been greeted with equal parts enthusiasm and opposition from the origins of life research community, of which Gilbert neither was, nor really became, a part. For this special historical issue of the Journal of Molecular Evolution, Gilbert agreed to revisit his hypothesis and share his memories about the theory's origins and his insights into its fate in the years since he first published his idea. PMID- 27866233 TI - A Treatise to Computational Approaches Towards Prediction of Membrane Protein and Its Subtypes. AB - Membrane proteins are vital mediating molecules responsible for the interaction of a cell with its surroundings. These proteins are involved in different functionalities such as ferrying of molecules and nutrients across membrane, recognizing foreign bodies, receiving outside signals and translating them into the cell. Membrane proteins play significant role in drug interaction as nearly 50% of the drug targets are membrane proteins. Due to the momentous role of membrane protein in cell activity, computational models able to predict membrane protein with accurate measures bears indispensable importance. The conventional experimental methods used for annotating membrane proteins are time-consuming and costly and in some cases impossible. Computationally intelligent techniques have emerged to be as a useful resource in the automation of prediction and hence the annotation process. In this study, various techniques have been reviewed that are based on different computational intelligence models used for prediction process. These techniques were formulated by different researchers and were further evaluated to provide a comparative analysis. Analysis shows that the usage of support vector machine-based prediction techniques bears more assiduous results. PMID- 27866236 TI - Effects of Physical Exercise on Markers of Cellular Immunosenescence: A Systematic Review. AB - Aging affects negatively the immune system, defined as immunosenescence, which increases the susceptibility of elderly persons to infection, autoimmune disease, and cancer. There are strong indications that physical exercise in elderly persons may prevent the age-related decline in immune response without significant side effects. Consequently, exercise is being considered as a safe mode of intervention to reduce immunosenescence. The aim of this review was to appraise the existing evidence regarding the impact of exercise on surface markers of cellular immunosenescence in either young and old humans or animals. PubMed and Web of Science were systematically screened, and 28 relevant articles in humans or animals were retrieved. Most of the intervention studies demonstrated that an acute bout of exercise induced increases in senescent, naive, memory CD4+ and CD8+ T-lymphocytes and significantly elevated apoptotic lymphocytes in peripheral blood. As regards long-term effects, exercise induced increased levels of T-lymphocytes expressing CD28+ in both young and elderly subjects. Few studies found an increase in natural killer cell activity following a period of training. We can conclude that exercise has considerable effects on markers of cellular aspects of the immune system. However, very few studies have been conducted so far to investigate the effects of exercise on markers of cellular immunosenescence in elderly persons. Implications for immunosenescence need further investigation. PMID- 27866235 TI - Arthroscopically-assisted mini open partial synovectomy for the treatment of localized pigmented villonodular synovitis of the knee. A retrospective comparative study with long-term follow up. AB - PURPOSE: The purpose of this study was to present the long-term results of treatment of localized pigmented villonodular synovitis (LPVNS) comparing two operative procedures of excision of the lesion-the arthroscopic and the arthroscopically assisted mini-open. We hypothesized that the latter approach allowed for treatment of LPVNS with acceptable recurrence rates, complication rates and functional outcomes. METHODS: Between 1990 and 2006, 21 patients with LPVNS were treated with partial synovectomy through an arthroscopically-assisted mini open technique (group A), and 23 patients were treated with an arthroscopic excision of the lesion (group B). All patients were clinically examined at one, three, and 12 months post-operatively and graded by the Lysholm knee score and the Ogilvie-Harris score. RESULTS: The mean Lysholm score was improved from 58.7 +/- 9 to 94.2 +/- 7 for group A (p < 0.05) and from 57.4 +/- 9.1 to 95.5 +/- 8 for group B (p < 0.05). The mean Ogilvie-Harris score was improved from 7.2 +/- 2 to 11.2 +/- 0.9 for group A and from 7.1 +/- 2 to 11.75 +/- 0.5 for group B (p < 0.05). We encountered two cases of CRPS and one case of recurrence of the lesion in group A and no complications for group B. CONCLUSIONS: Arthroscopically assisted mini open partial synovectomy is a safe alternative treatment, especially for surgeons without extended experience in arthroscopic techniques. The arthroscopic localization of the precise position of the lesion and its subsequent mini-open excision is a safe and effective technique with very low morbidity and recurrence rate and equivalent functional outcome to fully arthroscopic excision due to limited incision. LEVEL OF EVIDENCE: Retrospective comparative study, Level III. PMID- 27866238 TI - Topological horseshoe and its uniform hyperbolicity in the HP model. AB - A famous food-chain model proposed by Hastings and Powell is numerically restudied. The existence and uniform hyperbolicity of chaotic invariant sets are demonstrated by means of the topological horseshoe theory and the Conley-Moser conditions, indicating that, for a fixed cross section, the second return Poincare map of the model possesses a closed uniformly hyperbolic chaotic invariant set, on which it is topologically conjugate to the 2-shift map. PMID- 27866239 TI - Diffusion kurtosis imaging and diffusion-weighted imaging in assessment of liver fibrosis stage and necroinflammatory activity. AB - PURPOSE: To investigate and compare the diagnostic value of diffusion kurtosis imaging (DKI) with diffusion-weighted imaging (DWI) in assessing and quantifying hepatic fibrosis. METHODS: Thirty rats were divided into the control group (n = 6) and the fibrosis experimental groups (n = 6 per group) with CCl4 administration for 2, 4, 6, and 8 weeks. Liver fibrosis stage (S) and necroinflammatory activity grade (G) were histopathologically determined. DKI and DWI were performed; mean apparent diffusion (MD), mean kurtosis (MK), and apparent diffusion coefficient (ADC) values were calculated. DKI parameters were compared with ADC values according to G/S scores. RESULTS: Strong inverse correlations were found between the degree of fibrosis and both MD and ADC (r = 0.840 and r = -0.760), while only weak correlation existed in MK (r = 0.405). ROC analyses demonstrated the AUC in MD, MK, and ADC of 0.862, 0.684, 0.817 for identifying mild and severe fibrosis, and 0.757, 0.675, 0.733 for non-cirrhosis and cirrhosis, respectively. The degree of fibrosis was significantly correlated with alpha-smooth muscle actin (alpha-SMA) (P < 0.0001); alpha-SMA had strong inverse correlation with MD (r = -0.723), moderate inverse correlation with ADC (r = -0.613), and very weak correlation with MK (r = 0.175). Additionally, MD was strongly correlated with the necroinflammatory activity (r = -0.758), ADC was moderately correlated (r = -0.492), and MK was weakly correlated (r = 0.254). CONCLUSION: DKI may provide added information and serve as a valuable tool for the characterization and surveillance of liver fibrosis in a non-invasive manner. PMID- 27866237 TI - Long-Term Effects of Intravenous Ibandronate in Paget's Disease of Bone. AB - We have previously demonstrated that intravenous ibandronate produces high initial response rates in Paget's disease, but the durability of this effect is unknown. It might be expected to be short lived because ibandronate has a low affinity for bone. Here we report long-term follow-up (up to 14 years) of patients from that trial. Twenty-five patients with active Paget's disease [baseline serum total alkaline phosphatase (ALP) ~3 times the upper limit of normal] received either 6 or 12 mg intravenous ibandronate at baseline. There were prompt reductions in ALP following treatment, with normalization in 88%. ALP remained in the normal range in most patients for 20-30 months, but some subjects then showed gradual increases. Three years after ibandronate, before any patients had received additional treatment, ALP was normal in 61%. Six patients maintained normal ALP beyond 6 years without further intervention. Responses to 6 and 12 mg were similar. These results indicate that long-term remissions in Paget's disease can be achieved with bolus delivery of a potent bisphosphonate, even if the drug has a low affinity for bone. Therefore, bisphosphonate retention in bone might not be the only factor determining duration of remission. Intravenous bisphosphonates are likely to produce high drug concentrations within pagetic lesions which might result in cytotoxicity to the pagetic cells, leading to long durations of remission. These findings strengthen the evidence that potent bisphosphonates delivered in a single intravenous dose are a very efficient way to manage this condition. PMID- 27866240 TI - Extranodal lymphomas of abdomen and pelvis: imaging findings and differential diagnosis. AB - A wide spectrum of extranodal lymphomas in the abdomen and pelvis is commonly encountered by imaging. Diagnosing these lesions generally requires a multimodality approach. This review highlights imaging appearances of extranodal lymphomas in the abdomen and pelvis with emphasis on computed tomography, magnetic resonance imaging, and positron emission tomography-computed tomography along with the relevant differential diagnosis. PMID- 27866241 TI - Elevated regulatory T cells, surface and intracellular CTLA-4 expression and interleukin-17 in the lung cancer microenvironment in humans. AB - Regulatory T cells (Tregs) play an important role in the suppression of the immune response in lung cancer. Cytotoxic T-lymphocyte antigen 4 (CTLA-4) expressed on T lymphocytes is capable of downregulating cytotoxic T cells and is constitutively expressed on Tregs. Little is known about the population of Tregs with two forms of CTLA-4: surface (s) and intracellular (in) in the lung cancer environment. Th17 cells defined by production of IL-17 have pleiotropic functions in anticancer immune response. Our aim was to detect the elements of immune response regulation in lung cancer in three compartments: by analysis of bronchoalveolar lavage fluid (BALF) from the lung affected by cancer (clBALF), healthy symmetrical lung (hlBALF) and peripheral blood (PB) from the same patient. A total of 54 samples were collected. Tregs, (s)CTLA-4, (in)CTLA-4 were detected by flow cytometry with antibodies against CD4, CD25, Foxp3, CD127, CTLA 4, and concentration of IL-17 was estimated by ELISA. We observed a significantly higher proportion of Tregs in clBALF than in hlBALF or PB (8.5 vs. 5.0 vs. 5.1%, respectively, p < 0.05). The median proportion of (in)CTLA-4+ Tregs was higher in clBALF than in hlBALF or PB (89.0, 81.5, 56.0%, p < 0.05). IL-17 concentration was the highest in clBALF-6.6 pg/ml. We observed a significant correlation between the proportion of Tregs and (in)CTLA-4+ Tregs with IL-17A concentration in clBALF. We confirmed significant differences in the proportion of regulatory elements between cancerous lung and healthy lung and PB and the usefulness of BALF analysis in evaluation of immune response regulation in local lung cancer environment. PMID- 27866242 TI - Elevated systemic interleukin-7 in patients with colorectal cancer and individuals at high risk of cancer: association with lymph node involvement and tumor location in the right colon. AB - Interleukin (IL)-7 is a cytokine essential for protective immunity, and it is considered as a promising agent for cancer immunotherapy. Recent studies, however, appear to associate IL-7 with aggressiveness of solid tumors. The IL-7 has been less studied in colorectal cancer (CRC) and conditions associated with increased risk of CRC development. To explore IL-7 status in bowel diseases, it was measured immunofluorometrically in 431 individuals (110 with CRC) by using Luminex platform. A level of IL-7 in CRC patients was significantly higher than in controls, did not differ from those with adenomas, but was lower than in both active and inactive inflammatory bowel disease (IBD) cases. In CRC, IL-7 was higher in patients with lymph node and distant metastases and with tumors located in right colon. In adenomas, IL-7 elevation was associated exclusively with villous growth pattern, while in IBD, circulating IL-7 reflected clinical activity of Crohn's disease and ulcerative colitis. Systemic TNFalpha, IL-10, and PDGF-BB were independent predictors of circulating IL-7. In summary, our study is the first to demonstrate IL-7 elevation in CRC in association with metastatic disease and tumor location. Both associations should be considered when designing IL-7-based immunotherapies for CRC. Further studies on IL-7 functionality in CRC are necessary. PMID- 27866243 TI - Monitoring of adherence to headache treatments by means of hair analysis. AB - PURPOSE: The aim of this study was to evaluate the potential of hair analysis to monitor medication adherence in headache patients undergoing chronic therapy. For this purpose, the following parameters were analyzed: the detection rate of 23 therapeutic drugs in headache patients' hair, the degree of agreement between the self-reported drug and the drug found in hair, and whether the levels found in hair reflected the drug intake reported by the patients. METHODS: The study included 93 patients suffering from primary headaches declaring their daily intake of at least one of the following drugs during the 3 months before the hair sampling: alprazolam, amitriptyline, citalopram, clomipramine, clonazepam, delorazepam, diazepam, duloxetine, fluoxetine, flurazepam, levomepromazine, levosulpiride, lorazepam, lormetazepam, mirtazapine, paroxetine, quetiapine, sertraline, topiramate, trazodone, triazolam, venlafaxine, and zolpidem. A detailed pharmacological history and a sample of hair were collected for each patient. Hair samples were analyzed by liquid chromatography-electrospray tandem mass spectrometry, using a previously developed method. RESULTS: All 23 drugs were detected in the examined hair samples. The agreement between the self reported drug and the drug found in hair was excellent for most analytes (P < 0.001, Cohen's kappa); a statistically significant relationship (P < 0.05, linear regression analysis) between dose and hair level was found for amitriptyline, citalopram, delorazepam, duloxetine, lorazepam, and venlafaxine. CONCLUSIONS: Hair analysis proved to be a unique matrix to document chronic drug use in headache patients, and the level found for each individual drug can represent a reliable marker of adherence to pharmacological treatments. PMID- 27866244 TI - Efficacy and safety of nab-paclitaxel in patients with previously treated metastatic colorectal cancer: a phase II COLO-001 trial. AB - PURPOSE: This single-arm, phase II trial evaluated nab-paclitaxel monotherapy in pretreated patients with metastatic colorectal cancer (mCRC). METHODS: Patients with mCRC (RAS wild-type and RAS mutant cohorts) received nab-paclitaxel 125 mg/m2 days 1, 8, and 15 (28-day cycle). The primary endpoint was investigator assessed progression-free survival (PFS) rate at week 8; secondary endpoints included overall survival, overall response rate, and safety. Stage 1 planned enrollment was 15 patients per cohort per Simon 2-stage design. Stage 2 enrollment was to continue unless <=8 of the first 15 patients per cohort achieved PFS at 8 weeks. RESULTS: Stage 1 enrolled 41 patients (RAS wild type: n = 18; RAS mutant: n = 23). In both RAS cohorts, 3 of 15 patients initially enrolled were progression-free at week 8 (20%; 95% CI 4.0-48.0). Median PFS was 8.1 weeks (95% CI 7.7-8.6) and 7.9 weeks (95% CI 7.6-8.0) for RAS wild-type and RAS mutant cohorts, respectively. There were no complete or partial responses. The overall disease control rate was 16% (95% CI 6.0-32.0), and rates were similar in the RAS wild-type and RAS mutant cohorts (18 and 15%, respectively). No new safety signals were reported; the most common grade >=3 adverse events included neutropenia, asthenia, and peripheral neuropathy. This study did not progress to stage 2 per the preplanned statistical stopping rule. CONCLUSIONS: In patients with heavily pretreated mCRC, nab-paclitaxel did not demonstrate promising antitumor activity; further assessment of nab-paclitaxel monotherapy in this population of patients is not supported. TRIAL REGISTRATION: NCT02103062. PMID- 27866245 TI - The impact of socioeconomic status on perioperative complications and oncologic outcomes in patients undergoing radical cystectomy. AB - PURPOSE: To examine if patients of lower socioeconomic status (SES) are at higher risk of perioperative complications and experience different oncologic outcomes after radical cystectomy (RC). METHODS: Retrospective review was performed on 383 consecutive non-metastatic patients who underwent definitive RC at a tertiary referral center. Along with clinical and pathologic parameters traditionally utilized for risk stratification, potential social determinants of health were estimated using US Census data. Zip code-derived proxies of SES included median annual household income and percentage of residents completing high school education. Patients were grouped based on SES parameters, and potential differences were assessed. Multivariable logistic regression was then performed to identify predictors of complication within 90 days of RC. Survival outcomes were plotted using Kaplan-Meier survival curves. RESULTS: Overall, 167 (46.2%) patients suffered any complication within 90 days of RC. On multivariable analysis, length of stay (p <= 0.001), lower income grouping (p = 0.03), and lowest education tertile (p = 0.007) were significant predictors of any complication. Income (p = 0.04) and education (p = 0.008) groupings remained significant predictors in a subset analysis looking specifically at post discharge complications. No significant differences in recurrence-free or overall survival estimates were observed among education (log-rank test: p > 0.9 and p = 0.6, respectively) or income (log-rank test: p = 0.2 and p = 0.09, respectively) groupings. CONCLUSION: Patients of lower socioeconomic status who undergo RC for bladder cancer are at increased risk of perioperative complications. Further studies are needed to clarify this relationship, and to explore interventions aimed to improve outcomes. PMID- 27866246 TI - Comparison of Self-Efficacy for Managing Chronic Disease between patients with systemic sclerosis and other chronic conditions: a systematic review. AB - The complexity and burden of systemic sclerosis (SSc) pose challenges to developing and sustaining disease management self-efficacy. The objective of this systematic review was to compare scores on a commonly used self-efficacy measure, the Self-Efficacy for Managing Chronic Disease (SEMCD) Scale, between SSc and other diseases. Data sources included the CINAHL, EMBASE, MEDLINE, and Scopus databases, searched through January 25, 2016, and reference lists of included articles and relevant reviews. Studies in any language that reported total SEMCD scores or individual item scores in adult non-psychiatric medical patients were eligible. We identified one eligible non-intervention study of SSc patients (n = 553), 13 other non-intervention studies, and 21 studies with pre-intervention data for patients enrolled in a self-management program or a trial of a program. Of 13 non-intervention studies with published total score means in cancer, cardiovascular disease, Parkinson's disease, spinal cord injuries, organ transplant candidates and recipients, dialysis, and lupus, SEMCD scores were statistically significantly lower (poorer self-efficacy) in SSc than 6 other disease samples, not significantly different from 6, and significantly higher than lupus patients. Compared to 18 studies of patients in self-management programs or trials with published total score means, SSc patients were similar or lower than 9 samples and significantly higher than 9 samples. Compared to patients with other diseases not enrolled in programs to improve self-efficacy, SSc patients report lower self-efficacy scores than most patient groups. Rigorously tested self-care interventions designed to meet the unique needs of patients with SSc are needed. PMID- 27866247 TI - Identification of potential peripheral blood diagnostic biomarkers for patients with juvenile idiopathic arthritis by bioinformatics analysis. AB - Juvenile idiopathic arthritis (JIA) is common childhood rheumatic disease harming children health. However, there is still lack of effective biomarkers for diagnosis JIA at early onset. We aim to construct a classification model to predict JIA disease. The peripheral blood gene expression profile data of JIA were downloaded from GEO database. We compared and analyzed differentially expressed genes (DEGs) between different JIA samples through Pearson's correlation coefficient method and unsupervised clustering analysis. Diagnostic model were constructed based on the deviation pathway through bioinformatics method. Eighteen specific correlated DEGs were obtained, but the correlations altered in different disease states. Although most JIA and control samples were clustered by unsupervised clustering analysis, respectively, a few JIA samples could not be clustered well. Four co-expression networks were next constructed with gene connections dynamically altered under variable conditions. Eight signaling pathways were significantly enriched including B/T cell receptor, ErbB and MAPK signaling pathways. The deviation scores of pathways were calculated. Applying these eight signaling pathways as feature to construct a classification model could predict JIA disease with high accuracies. Our data provide some light into pathogenic mechanism of JIA, the specific gene sets and the related signaling pathways may be potential biomarkers for diagnosis or therapeutic targets of JIA. PMID- 27866248 TI - Microanatomy of the brachial plexus roots and its clinical significance. AB - PURPOSE: To provide the anatomical basis of brachial plexus roots for the diagnosis and treatment of brachial plexus root avulsion injury. METHODS: The morphological features of brachial plexus roots were observed and measured on 15 cervicothoracic spine of adult cadavers. The relationship of brachial plexus nerve roots and the surrounding tissues also were observed, as well as the blood supply of anterior and posterior roots of the brachial plexus. RESULTS: Origination of the nerve roots in the dorsal-ventral direction from the midline was fine-tuned at each level along the spinal cord. The minimum distance of the origin of the nerve root to midline was 2.2 mm at C 5, while the maximum was 3.1 mm at T 1. Inversely, the distance between the origin of the posterior root and the midline of the spinal cord gradually decreased, the maximum being 4.2 mm at C 5 and minimum 2.7 mm at T 1. Meanwhile, there was complicated fibrous connection among posterior roots of the brachial plexus. The C 5-6 nerve roots interlaced with tendons of the scalenus anterior and scalenus medius and fused with the transverse-radicular ligaments in the intervertebral foramina. However, these ligaments were not seen in C 7-8, and T 1. The blood supply of the anterior and posterior roots of the brachial plexus was from the segmental branches of the vertebral artery, deep cervical artery and ascending cervical artery, with a mean outer diameter of 0.61 mm. CONCLUSIONS: The systematic and comprehensive anatomic data of the brachial plexus roots provides the anatomical basis to diagnose and treat the brachial plexus root avulsion injury. PMID- 27866249 TI - Investigation of Endophytic Bacterial Community in Supposedly Axenic Cultures of Pineapple and Orchids with Evidence on Abundant Intracellular Bacteria. AB - Asepsis, defined as the absence of microbial contamination, is one of the most important requirements of plant micropropagation. In long-term micropropagated cultures, there may occasionally occur scattered microorganism growth in the culture medium. These microorganisms are common plant components and are known as latent endophytes. Thus, the aim of this research was to investigate the presence of endophytic bacteria in asymptomatic pineapple and orchid microplants, which were cultivated in three laboratories for 1 year. Isolation and characterization of bacterial isolates, PCR-DGGE from total genomic DNA of microplants and ultrastructural analysis of leaves were performed. In the culture-dependent technique, it was only possible to obtain bacterial isolates from pineapple microplants. In this case, the bacteria genera identified in the isolation technique were Bacillus, Acinetobacter, and Methylobacterium. The scanning electron microscopy and transmission electron microscopy (SEM and TEM) analyses revealed the presence of endophytic bacteria in intracellular spaces in the leaves of pineapple and orchid microplants, independent of the laboratory or cultivation protocol. Our results strongly indicate that there are endophytic bacterial communities inhabiting the microplants before initiation of the in vitro culture and that some of these endophytes persist in their latent form and can also grow in the culture medium even after long-term micropropagation, thus discarding the concept of "truly axenic plants." PMID- 27866252 TI - Identification of alkaline phosphatase genes for utilizing a flame retardant, tris(2-chloroethyl) phosphate, in Sphingobium sp. strain TCM1. AB - Tris(2-chloroethyl) phosphate (TCEP) is a haloalkyl phosphate flame retardant and plasticizer that has been recognized as a global environmental contaminant. Sphingobium sp. strain TCM1 can utilize TCEP as a phosphorus source. To identify the phosphomonoesterase involved in TCEP utilization, we identified four putative alkaline phosphatase (APase) genes, named SbphoA, SbphoD1, SbphoD2, and SbphoX II, in the genome sequence. Following expression of these genes in Escherichia coli, APase activity was confirmed for the SbphoA and SbphoX-II gene products but was not clearly observed for the SbphoD1 and SbphoD2 gene products, owing to their accumulation in inclusion bodies. The single deletion of either SbphoA or SbphoX-II retarded the growth and reduced the APase activity of strain TCM1 cells on medium containing TCEP as the sole phosphorus source; these changes were more marked in cells with the SbphoX-II gene deletion. In contrast, the deletion of either SbphoD1 or SbphoD2 had no effect on cell growth or APase activity. The double deletion of SbphoA and SbphoX-II resulted in the complete loss of cell growth on TCEP. These results show that SbPhoA and SbPhoX-II are involved in the utilization of TCEP as a phosphorus source and that SbPhoX-II is the major phosphomonoesterase involved in TCEP utilization. PMID- 27866251 TI - Diversity, abundance, and possible sources of fecal bacteria in the Yangtze River. AB - The fecal bacteria in natural waters may pose serious risks on human health. Although many source tracking methods have been developed and used to determine the possible sources of the fecal pollution, little is known about the overall diversity and abundance of fecal bacterial community in natural waters. In this study, a method based on fecal bacterial sequence library was introduced to evaluate the fecal bacterial profile in the Yangtze River (Nanjing section). Our results suggested that the Yangtze River water harbors diverse fecal bacteria. Fifty-eight fecal operational taxonomic units (97% identity level) were detected in the Yangtze River water samples and the relative abundance of fecal bacteria in these samples ranged from 0.1 to 8%. It was also found that the relative abundances of the fecal bacteria in locations near to the downstream of wastewater treatment plants were obviously higher than those in other locations. However, the high abundance of fecal bacteria could decrease to the normal level in 2~4 km in the river due to degradation or dilution, and the overall fecal bacteria level changed little when the Yangtze River flew through the Nanjing City. Moreover, the fecal bacteria in the Yangtze River water were found to be highly associated (Spearman rho = 0.804, P < 0.001) with the potential pathogenic bacteria. Collectively, the findings in this study reveal the diversity, abundance, and possible sources of fecal bacteria in the Yangtze River and advance our understandings of the fecal bacteria community in the natural waters. PMID- 27866250 TI - iTRAQ-Based Comparative Proteomics Analysis of the Fruiting Dikaryon and the Non fruiting Monokaryon of Flammulina velutipes. AB - Flammulina velutipes is a potentially excellent fungus to study basic mechanisms of basidiomycete mycelium biology. To provide a better understanding of the mechanism of hyphae growth and fruit-body formation, the biological functions of the differentially abundant proteins between the fruiting dikaryon and the non fruiting monokaryon of F. velutipes were investigated at the proteomic level using iTRAQ-coupled two-dimensional liquid chromatography tandem mass spectrometry technique. Among the 1198 proteins identified with high confidence, a total of 472 proteins were detected differentially abundant at least one of the mycelium development stages. In-depth data analysis revealed that differentially expressed proteins were influenced a variety of cellular processes, particularly metabolic processes. Functional pathway analysis indicated that 63 up-regulated proteins at only the fruiting dikaryon (Fv13) stage were mainly distributed in 51 specific Kyoto Encyclopedia of Genes and Genome pathways, such as amino acids biosynthesis and metabolism, signaling pathway, and central carbon metabolism. These up-regulated proteins could possibly serve as potential biomarkers to study the mycelium development pathways as well as provide new insights on the mycelium heterogenic compatibility and fruit-body formation mechanisms of basidiomycetes. PMID- 27866253 TI - Characterization of Clostridium ljungdahlii OTA1: a non-autotrophic hyper ethanol producing strain. AB - A Clostridium ljungdahlii lab-isolated spontaneous-mutant strain, OTA1, has been shown to produce twice as much ethanol as the C. ljungdahlii ATCC 55383 strain when cultured in a mixotrophic medium containing fructose and syngas. Whole genome sequencing identified four unique single nucleotide polymorphisms (SNPs) in the C. ljungdahlii OTA1 genome. Among these, two SNPs were found in the gene coding for AcsA and HemL, enzymes involved in acetyl-CoA formation from CO/CO2. Homology models of the respective mutated enzymes revealed alterations in the size and hydrogen bonding of the amino acids in their active sites. Failed attempts to grow OTA1 autotrophically suggested that one or both of these mutated genes prevented acetyl-CoA synthesis from CO/CO2, demonstrating that its activity was required for autotrophic growth by C. ljungdahlii. An inoperable Wood Ljungdahl pathway resulted in higher CO2 and ethanol yields and lower biomass and acetate yields compared to WT for multiple growth conditions including heterotrophic and mixotrophic conditions. The two other SNPs identified in the C. ljungdahlii OTA1 genome were in genes coding for transcriptional regulators (CLJU_c09320 and CLJU_c18110) and were found to be responsible for deregulated expression of co-localized arginine catabolism and 2-deoxy-D-ribose catabolism genes. Growth medium supplementation experiments suggested that increased arginine metabolism and 2-deoxy-D-ribose were likely to have minor effects on biomass and fermentation product yields. In addition, in silico flux balance analysis simulating mixotrophic and heterotrophic conditions showed no change in flux to ethanol when flux through HemL was changed whereas limited flux through AcsA increased the ethanol flux for both simulations. In characterizing the effects of the SNPs identified in the C. ljungdahlii OTA1 genome, a non autotrophic hyper ethanol-producing strain of C. ljungdahlii was identified that has utility for further physiology and strain performance studies and as a biocatalyst for industrial applications. PMID- 27866254 TI - Heart-cut achiral-chiral LC-LC method development using factorial design: application to the chiral separation of ketoprofen. AB - A two-dimensional achiral-chiral LC-LC method in heart-cut mode for ketoprofen and its enantiomeric fraction determination was proposed. A C8 column was used in the first dimension, and the chiral column was an alpha1-acid glycoprotein. The mobile phase of the chiral system was optimized by a factorial design. The effect of temperature on retention and on enantiomeric resolution was studied. Particular attention was paid to mobile phase compatibility for the two columns and to transferring time, using ketoprofen standards. The R-(-) and S-(+) ketoprofen retention times were 9 and 11 min, respectively; the resolution was higher than 1.1 and enantiomeric fraction close to 0.5. The method was applied to capsules and gels containing ketoprofen. Factorial design was also used to establish the best conditions for gel sample preparation. Recoveries were 84 and 105 % for capsules and gels, respectively. Graphical abstract Two-dimensional chromatogram for KPF and its enantiomers. PMID- 27866255 TI - Erratum to: Diffusive gradients in thin films measurement of sulfur stable isotope variations in labile soil sulfate. PMID- 27866256 TI - Surfactant-free microemulsion electrokinetic chromatography (SF-MEEKC) with UV and MS detection - a novel approach for the separation and ESI-MS detection of neutral compounds. AB - Microemulsion electrokinetic chromatography (MEEKC) is a powerful tool to separate neutral species based on differences in their hydrophobic and hydrophilic properties. However, as a major drawback the conventionally used SDS based microemulsions are not compatible with electrospray ionization mass spectrometry (ESI-MS). In this work, a surfactant-free microemulsion (SFME) consisting of water, ethanol, and 1-octanol is used for surfactant-free microemulsion electrokinetic chromatography (SF-MEEKC). Ammonium acetate was added to the SFME enabling electrophoretic separations. The stability of SFMEs containing ammonium acetate was investigated using small-angle X-ray scattering and dynamic light scattering. A method for the separation of a model system of hydrophobic and hydrophilic neutral vitamins, namely the vitamins B2 and D3, and the cationic vitamin B1 was developed using UV/VIS detection. The influence of the ammonium acetate concentration on the separation performance was studied in detail. The method was characterized concerning reproducibility of migration times and peak areas and concerning the linearity of the calibration data. Furthermore, SF-MEEKC was coupled to ESI-MS investigating the compatibility between SFMEs and the ESI process. The signal intensities of ESI-MS measurements of the model analytes were comparable for SFMEs and aqueous systems. Finally, the vitamin D3 content of a drug treating vitamin D3 deficiency was determined by SF MEEKC coupled to ESI-MS using 25-hydroxycholecalciferol as an internal standard. Graphical abstract The concept of surfactant-free microemulsion electrokinetic chromatography coupled to electrospray ionization mass spectrometry. PMID- 27866257 TI - Detection of methicillin-resistant Staphylococcus aureus using phage amplification combined with matrix-assisted laser desorption/ionization mass spectrometry. AB - Antibiotic resistance continues to contribute significantly to morbidity and mortality across the world. Developing new tests for antibiotic-resistant bacteria is a core action to combat resistant infections. We describe a method that uses phage amplification detection (PAD) combined with matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS) to rapidly identify Staphylococcus aureus and determine phenotypic susceptibility to cefoxitin. Samples tested for S. aureus are incubated together with bacteriophage in the presence and absence of cefoxitin and subjected to rapid trypsin digestion followed by MALDI-MS analysis. Tryptic peptides derived from amplified phage proteins can be detected by MALDI-MS, as validated by time-of-flight (TOF)/TOF analysis of each peptide combined with database searching. Methicillin-resistant S. aureus show significant phage amplification in the presence of cefoxitin, while methicillin-sensitive S. aureus show no phage amplification relative to a no-antibiotic control. We also show that PAD methodology can be implemented on an FDA-approved commercial MALDI-MS bacterial identification system to identify S. aureus and determine antibiotic susceptibility. The novelty of this assay includes the use of phage-derived tryptic peptides as detected by MALDI-MS to monitor the results of PAD on an instrument common to many modern microbiology laboratories. PMID- 27866258 TI - Fat-containing soft-tissue masses in children. AB - The diagnosis of soft-tissue masses in children can be difficult because of the frequently nonspecific clinical and imaging characteristics of these lesions. However key findings on imaging can aid in diagnosis. The identification of macroscopic fat within a soft-tissue mass narrows the differential diagnosis considerably and suggests a high likelihood of a benign etiology in children. Fat can be difficult to detect with sonography because of the variable appearance of fat using this modality. Fat is easier to recognize using MRI, particularly with the aid of fat-suppression techniques. Although a large portion of fat-containing masses in children are adipocytic tumors, a variety of other tumors and mass-like conditions that contain fat should be considered by the radiologist confronted with a fat-containing mass in a child. In this article we review the sonographic and MRI findings in the most relevant fat-containing soft-tissue masses in the pediatric age group, including adipocytic tumors (lipoma, angiolipoma, lipomatosis, lipoblastoma, lipomatosis of nerve, and liposarcoma); fibroblastic/myofibroblastic tumors (fibrous hamartoma of infancy and lipofibromatosis); vascular anomalies (involuting hemangioma, intramuscular capillary hemangioma, phosphate and tensin homologue (PTEN) hamartoma of soft tissue, fibro-adipose vascular anomaly), and other miscellaneous entities, such as fat necrosis and epigastric hernia. PMID- 27866261 TI - Anticipatory postural adjustments and anticipatory synergy adjustments: preparing to a postural perturbation with predictable and unpredictable direction. AB - We explored two aspects of feed-forward postural control, anticipatory postural adjustments (APAs) and anticipatory synergy adjustments (ASAs) seen prior to self triggered unloading with known and unknown direction of the perturbation. In particular, we tested two main hypotheses predicting contrasting changes in APAs and ASAs. The first hypothesis predicted no major changes in ASAs. The second hypothesis predicted delayed APAs with predominance of co-contraction patterns when perturbation direction was unknown. Healthy subjects stood on the force plate and held a bar with two loads acting in the forward and backward directions. They pressed a trigger that released one of the loads causing a postural perturbation. In different series, the direction of the perturbation was either known (the same load released in all trials) or unknown (the subjects did not know which of the two loads would be released). Surface electromyograms were recorded and used to quantify APAs, synergies stabilizing center of pressure coordinate (within the uncontrolled manifold hypothesis), and ASA. APAs and ASAs were seen in all conditions. APAs were delayed, and predominance of co contraction patterns was seen under the conditions with unpredictable direction of perturbation. In contrast, no significant changes in synergies and ASAs were seen. Overall, these results show that feed-forward control of vertical posture has two distinct components, reflected in APAs and ASAs, which show qualitatively different adjustments with changes in predictability of the direction of perturbation. These results are interpreted within the recently proposed hierarchical scheme of the synergic control of motor tasks. The observations underscore the complexity of the feed-forward postural control, which involves separate changes in salient performance variables (such as coordinate of the center of pressure) and in their stability properties. PMID- 27866260 TI - Isolation and characterization of a novel cadmium-regulated Yellow Stripe-Like transporter (SnYSL3) in Solanum nigrum. AB - KEY MESSAGE: SnYSL3 encodes a plasma-localized transporter delivering various metal-nicotianamine complexes. The expression of SnYSL3 is up-regulated by excess Cd, suggesting an important role for SnYSL3 in response to Cd stress. The Yellow Stripe-Like (YSL) transporters have been proposed to participate in metal uptake and long-range transport in model plants. In this study, we isolated and characterized a novel member of the YSL gene family, SnYSL3, from the cadmium hyperaccumulator Solanum nigrum. SnYSL3 was constitutively expressed and encodes a plasma membrane-localized protein. In situ RNA hybridization localized the SnYSL3 transcripts predominantly in vascular tissues and epidermal cells of the roots and stems, while in leaves, the mRNA levels were high in the vasculature. The SnYSL3 expression level was up-regulated by excess Cd, excess Fe and Cu deficiency. Heterologous expression of SnYSL3 in yeast revealed that SnYSL3 transports nicotianamine complexes containing Fe(II), Cu, Zn and Cd. SnYSL3 overexpression in Arabidopsis thaliana decreased Fe and Mn concentrations in the roots and increased the root-to-shoot translocation ratios of Fe and Mn. Under Cd exposure, the transgenic plants showed increased translocation ratios of Fe and Cd, but no difference was observed in Mn translocation from roots to shoots between the transgenic and wild-type lines. Although the accurate function of SnYSL3 remains to be confirmed, these results suggest that SnYSL3 is a transporter delivering a broad range of metal-nicotianamine complexes and is potentially important for the response to heavy metal stress, especially due to Cd and Fe. PMID- 27866262 TI - Impairment of mitochondria dynamics by human A53T alpha-synuclein and rescue by NAP (davunetide) in a cell model for Parkinson's disease. AB - The formation of oligomers and aggregates of overexpressed or mutant alpha synuclein play a role in the degeneration of dopaminergic neurons in Parkinson's disease by causing dysfunction of mitochondria, reflected in their disturbed mobility and production of ROS. The mode of action and mechanisms underlying this mitochondrial impairment is still unclear. We have induced stable expression of wild-type, A30P or A53T alpha-synuclein in neuronally differentiated SH-SY5Y neuroblastoma cells and studied anterograde and retrograde mitochondrial trafficking in this cell model for Parkinson's disease. In contrast to wild-type and A30P, A53T alpha-synuclein significantly inhibited mitochondrial trafficking, at first retrogradely and in a later stage anterogradely. Accordingly, A53T alpha synuclein also caused the highest increase in ROS production in the dysmobilized mitochondria in comparison to wild-type or A30P alpha-synuclein. Treatment with NAP, the eight amino acid peptide identified as the active component of activity dependent neuroprotective protein (ADNP), completely annihilated the adverse effects of A53T on mitochondrial dynamics. Our results reveal that A53T alpha synuclein (oligomers or aggregates) leads to the inhibition of mitochondrial trafficking, which can be rescued by NAP, suggesting the involvement of microtubule disruption in the pathophysiology of Parkinson's disease. PMID- 27866263 TI - Aperture extent and stimulus speed affect the perception of visual acceleration. AB - Humans are generally poor at detecting the presence of visual acceleration, but it is unclear whether the extent of a field of moving objects through an aperture affects this ability. Hypothetically, the farther a stimulus can accelerate uninterrupted by an aperture's physical constraints, the easier it should be to discern its motion profile. We varied the horizontal extent of the aperture through which continuously accelerating or decelerating random dot arrays were presented at different average speeds, and measured acceleration and deceleration detection thresholds. We also hypothesized that manipulating aperture extent at different speeds would change how observers visually pursue acceleration, which we tested in a control experiment. Results showed that, while there was no difference between the acceleration and deceleration conditions, detection was better in the larger than small aperture conditions. Regardless of aperture size, smaller acceleration and deceleration rates (relative to average speed) were needed to detect changing speed in faster than slower speed ranges. Similarly, observers tracked the stimuli to a greater extent in the larger than small apertures, and smooth pursuit was overall poorer at faster than slower speeds. Notably, the effect of speed on pursuit was greater for the larger than small aperture conditions, suggesting that the small aperture restricted pursuit. Furthermore, there was little difference in psychophysical and eye movement data between the medium and large aperture conditions within each speed range, indicating that it is easier to detect an accelerating profile when the aperture is large enough to encourage a minimum level of pursuit. PMID- 27866264 TI - Effects of intentional movement preparation on response times to symbolic and imitative cues. AB - Speeded responses to an external cue are slower when the cue interrupts preparation to perform the same or a similar action in a self-paced manner. To explore the mechanism underlying this 'cost of intention', we examined whether the size of the cost is influenced by the nature of the external cue. Specifically, we assessed whether the cost of intention is different for movements made in response to an imitative cue (an on-screen hand movement) compared to those made in response to a symbolic cue. Consistent with previous reports, externally cued responses were significantly slower on trials where participants were preparing to perform an internally driven movement later in the trial. Also as predicted, simple response times to the imitative cue were faster than those made to the symbolic cue. Critically, the cost of intention was similar for each cue type, suggesting that preparing an intentional action influenced responses cued by the symbolic and imitative cues to a similar degree. These findings suggest that the nature of the external cue does not influence the response time delay associated with concurrent intentional preparation. Together with previous findings, the results of the current study shed further light on the potential mechanisms underlying the cost of intention. PMID- 27866266 TI - Survey of Baylisascaris spp. in captive striped skunks (Mephitis mephitis) in some European areas. AB - Skunks are popular carnivore species kept both in zoological institutions and in households where they are hand raised as exotic pets. These small carnivores are considered the main definitive hosts of the roundworm Baylisascaris columnaris. The purpose of this survey was to investigate the occurrence of Baylisascaris spp. in striped skunks kept as pets or in private zoo collections in some European areas. Copromicroscopic data from two laboratories, one in Italy and one in Germany, were used. A total of 60 animals were selected. Samples came from Germany (n = 30), Italy (n = 23), United Kingdom (n = 5), Austria (n = 1), and the Netherlands (n = 1). Twenty-eight animals were certainly kept as pets in private households in Italy and the UK. Fifteen out of 60 animals (25%) were positive for Baylisascaris spp. Molecular identification of adult parasites was performed in ten of those animals, revealing B. columnaris in all cases. To the authors' knowledge, this is the first survey of Baylisascaris spp. in captive skunks in Europe. PMID- 27866265 TI - Proteomic analysis of Fasciola hepatica excretory and secretory products (FhESPs) involved in interacting with host PBMCs and cytokines by shotgun LC-MS/MS. AB - Fasciola hepatica is a helminth parasite with a worldwide distribution, which can cause chronic liver disease, fasciolosis, leading to economic losses in the livestock and public health in many countries. Control is mostly reliant on the use of drugs, and as a result, drug resistance has now emerged. The identification of F. hepatica genes involved in interaction between the parasite and host immune system is utmost important to elucidate the evasion mechanisms of the parasite and develop more effective strategies against fasciolosis. In this study, we aimed to identify molecules in F. hepatica excretory and secretory products (FhESPs) interacting with the host peripheral blood mononuclear cells (PBMCs), Th1-like cytokines (IL2 and IFN-gamma), and Th17-like cytokines (IL17) by Co-IP combined with tandem mass spectrometry. The results showed that 14, 16, and 9 proteins in FhESPs could bind with IL2, IL17, and IFN-gamma, respectively, which indicated that adult F. hepatica may evade the host immune responses through directly interplaying with cytokines. In addition, nine proteins in FhESPs could adhere to PBMCs. Our findings provided potential targets as immuno regulators, and will be helpful to elucidate the molecular basis of host-parasite interactions and search for new potential proteins as vaccine and drug target candidates. PMID- 27866267 TI - Luminol testing in detecting modern human skeletal remains: a test on different types of bone tissue and a caveat for PMI interpretation. AB - When forensic pathologists and anthropologists have to deal with the evaluation of the post-mortem interval (PMI) in skeletal remains, luminol testing is frequently performed as a preliminary screening method. However, the repeatability of this test on the same bone, as well as comparative studies on different bones of the same individual, has never been performed. Therefore, with the aim of investigating the influence that different types of bones may exert on the response to the luminol test, the present study analysed three different skeletal elements (femoral diaphysis, vertebra and cranial vault), gathered from ten recent exhumed skeletons (all with a 20-year PMI). The analysis was performed twice on the same bone after 2 months: the analysis at time 0 concerned the whole bone, whereas the second concerned only a part of the same bone taken during the first test (which already had been broken). The overall results showed different responses, depending on the type of bone and on the integrity of the samples. Negative results at the first analysis (6.6% out of the total of samples) are consistent with what is reported in the literature, whilst at the second analysis, the increase of about 20% of false-negative results highlights that the luminol test ought to be performed with caution in case of broken bones or elements which are taphonomically altered. Results have thus proven that the exposition to environmental agents might result in haemoglobin (Hb) loss, as detected even after only 2 months. The study also focused on the crucial issue of the type of bone subjected to testing, remarking the suitability of the femoral diaphysis (100% of positive responses at the first analysis vs only 18% of false negative results at the second test, corresponding to 5% of total false-negative results) as opposed to other bone elements that showed a low yield. In particular, the cranial vault gave poor results, with 40% of discrepancy between results from the two analyses, which suggests caution in choosing the type of bone sample to test. In conclusion, luminol testing should be used with caution on bones different from long bones or on non-intact bones. PMID- 27866269 TI - Effects of alexithymia and empathy on the neural processing of social and monetary rewards. AB - Empathy has been found to affect the neural processing of social and monetary rewards. Alexithymia, a subclinical condition showing a close inverse relationship with empathy is linked to dysfunctions of socio-emotional processing in the brain. Whether alexithymia alters the neural processing of rewards, which is currently unknown. Here, we investigated the influence of both alexithymia and empathy on reward processing using a social incentive delay (SID) task and a monetary incentive delay (MID) task in 45 healthy men undergoing functional magnetic resonance imaging. Controlling for temperament-character dimensions and rejection sensitivity, the relationship of alexithymia and empathy with neural activity in several a priori regions of interest (ROIs) was examined by means of partial correlations, while participants anticipated and received social and monetary rewards. Results were considered significant if they survived Holm Bonferroni correction for multiple comparisons. Alexithymia modulated neural activity in several ROIs of the emotion and reward network, both during the anticipation of social and monetary rewards and in response to the receipt of monetary rewards. In contrast, empathy did not affect reward anticipation and modulated ROI activity only in response to the receipt of social rewards. These results indicate a significant influence of alexithymia on the processing of social and monetary rewards in the healthy brain. PMID- 27866268 TI - A genome-wide association study of essential hypertension in an Australian population using a DNA pooling approach. AB - Despite the success of genome-wide association studies (GWAS) in detecting genetic loci involved in complex traits, few susceptibility genes have been detected for essential hypertension (EH). We aimed to use pooled DNA GWAS approach to identify and validate novel genomic loci underlying EH susceptibility in an Australian case-control population. Blood samples and questionnaires detailing medical history, blood pressure, and prescribed medications were collected for 409 hypertensives and 409 age-, sex- and ethnicity-matched normotensive controls. Case and control DNA were pooled in quadruplicate and hybridized to Illumina 1 M-Duo arrays. Allele frequencies agreed with those reported in reference data and known EH association signals were represented in the top-ranked SNPs more frequently than expected by chance. Validation showed that pooled DNA GWAS gave reliable estimates of case and control allele frequencies. Although no markers reached Bonferroni-corrected genome-wide significance levels (5.0 * 10-8), the top marker rs34870220 near ASGR1 approached significance (p = 4.32 * 10-7), as did several candidate loci (p < 1 * 10-6) on chromosomes 2, 4, 6, 9, 12, and 17. Four markers (located in or near genes NHSL1, NKFB1, GLI2, and LRRC10) from the top ten ranked SNPs were individually genotyped in pool samples and were tested for association between cases and controls using the chi 2 test. Of these, rs1599961 (NFKB1) and rs12711538 (GLI2) showed significant difference between cases and controls (p < 0.01). Additionally, four top-ranking markers within NFKB1 were found to be in LD, suggesting a single strong association signal for this gene. PMID- 27866270 TI - Relationship among interthalamic adhesion size, thalamic anatomy and neuropsychological functions in healthy volunteers. AB - The interthalamic adhesion (ITA) is an understudied neuroanatomical structure that forms a bridge of tissue connecting the thalamus of each hemisphere across the midline whose functional significance remains largely unknown. The likelihood of ITA absence has been reported in some studies to be increased in males, but findings have been inconsistent. We used magnetic resonance imaging to investigate the size and absence of the ITA and their relationship to thalamic volume, putative indices of white matter integrity (fractional anisotropy and mean diffusivity) within the anterior thalamic radiation and neuropsychological functions in 233 (129 M/104 F) healthy volunteers (age range 8-68). To ensure high reliability in this study two operators independently rated the absence of the ITA and measured its size for all individuals. The ITA was absent in 4% of all individuals with no sex differences in its absence. Females had greater ITA size compared to males overall with both groups demonstrating nonlinear age associated changes across the age range examined. ITA size among females correlated significantly with thalamus volume and lower mean diffusivity in the anterior thalamic radiation. Path modeling indicated that ITA size statistically mediated the relationship between age and attention among females. Our findings provide evidence for sex differences in ITA size across the lifespan, which are associated with the surrounding thalamic anatomy and neuropsychological functions. PMID- 27866271 TI - Paediatric biobanking: Dutch experts reflecting on appropriate legal standards for practice. AB - : Large sets of data and human specimens, such as blood, tumour tissue and DNA, are deposited in biobanks for research purposes, preferably for long periods of time and with broadly defined research aims. Our research focuses on the retention of data and biological materials obtained from children. However important such paediatric biobanks may be, the privacy interests of the children involved and the related risks may not be ignored. The privacy issues arising from paediatric biobanks are the central focus of this article. We first review the international regulations that apply to biobanks and then summarise viewpoints expressed by experts in a round-table discussion. We confine ourselves here to two normative questions: (1) How much control should children's parents or legal representatives, and later the children themselves, have over the stored materials and data? (2) What should be done if research findings emerge that have serious implications for a child's health? CONCLUSION: On the basis of international legal standards and the views of experts, involved in paediatric biobanking, we argue that biological material of children may only be stored in a biobank for scientific purposes if parents provide their explicit consent, the child is re-contacted at 16 or 18 years of age to reconsider storage and use of its material, and the biobank maintains a limited policy in disclosure of individual research findings to the child's parents. What is Known: * Increasingly, biological material of children is stored in biobanks for research purposes. * Clear standards on the conditions under which children's cells or tissues may be stored and used are lacking. What is New: * According to experts, storage and use of children's materials should only be allowed if performed in accordance with appropriate consent procedures and feedback policies. PMID- 27866272 TI - Angry but not neutral faces facilitate response inhibition in schizophrenia patients. AB - Schizophrenia is a very heterogeneous disorder with extensive impairments in cognitive as well as emotional abilities. One critical domain is response inhibition, and previous studies in schizophrenia patients have mostly observed impairments, i.e., slower inhibition. Moreover, response inhibition to socially salient stimuli has not been investigated in schizophrenia so far. Therefore, to elucidate emotion-cognition interactions by examining potential emotional effects on inhibition processes and further investigate the association of cognition with inhibition we used an emotional stop signal task in 27 schizophrenia patients and 27 gender- and age-matched controls. Task irrelevant emotional faces (angry and neutral) were used as stimuli in a stop signal reaction time task. Regarding accuracy, patients showed significantly worse performance in neutral trials, while their performance in anger trials (stop and go) was similar to controls. Angry faces elicited faster response inhibition in both groups, underlining an emotional facilitation effect. Neurocognitive functions significantly correlated with accuracy in the stop signal task in schizophrenia patients, thus further strengthening the notion of the strong link between cognitive abilities and inhibition processes. Inhibitory control impairments are of high clinical interest due to their association with substance abuse, impulsive behavior and suicide. Based on our data, neutral faces significantly affect response inhibition in schizophrenia while an emotional facilitation effect was apparent for angry faces even in schizophrenia patients. Thus, our data further support the notion that neutral face processing is critically impaired in schizophrenia. PMID- 27866275 TI - Clinical relevance for the use of ozone to enhance the remineralizing potential of n-HAP on initial enamel lesions. PMID- 27866273 TI - Omeprazole suppressed plasma magnesium level and duodenal magnesium absorption in male Sprague-Dawley rats. AB - Hypomagnesemia is the most concerned side effect of proton pump inhibitors (PPIs) in chronic users. However, the mechanism of PPIs-induced systemic Mg2+ deficit is currently unclear. The present study aimed to elucidate the direct effect of short-term and long-term PPIs administrations on whole body Mg2+ homeostasis and duodenal Mg2+ absorption in rats. Mg2+ homeostasis was studied by determining the serum Mg2+ level, urine and fecal Mg2+ excretions, and bone and muscle Mg2+ contents. Duodenal Mg2+ absorption as well as paracellular charge selectivity were studied. Our result showed that gastric and duodenal pH markedly increased in omeprazole-treated rats. Omeprazole significantly suppressed plasma Mg2+ level, urinary Mg2+ excretion, and bone and muscle Mg2+ content. Thus, omeprazole induced systemic Mg2+ deficiency. By using Ussing chamber techniques, it was shown that omeprazole markedly suppressed duodenal Mg2+ channel-driven and Mg2+ channel-independent Mg2+ absorptions and cation selectivity. Inhibitors of mucosal HCO3- secretion significantly increased duodenal Mg2+ absorption in omeprazole-treated rats. We therefore hypothesized that secreted HCO3- in duodenum decreased luminal proton, this impeded duodenal Mg2+ absorption. Higher plasma total 25-OH vitamin D, diuresis, and urine PO43- were also demonstrated in hypomagnesemic rats. As a compensatory mechanism for systemic Mg2+ deficiency, the expressions of duodenal transient receptor potential melastatin 6 (TRPM6), cyclin M4 (CNNM4), claudin (Cldn)-2, Cldn-7, Cldn-12, and Cldn-15 proteins were enhanced in omeprazole-treated rats. Our findings support the potential role of duodenum on the regulation of Mg2+ homeostasis. PMID- 27866274 TI - Ryanodine receptor type 3 does not contribute to contractions in the mouse myometrium regardless of pregnancy. AB - Ryanodine receptor type 3 (RyR3) is expressed in myometrial smooth muscle cells (MSMCs). The short isoform of RyR3 is a dominant negative variant (DN-RyR3) and negatively regulates the functions of RyR2 and full-length (FL)-RyR3. DN-RyR3 has been suggested to function as a major RyR3 isoform in non-pregnant (NP) mouse MSMCs, and FL-RyR3 may also be upregulated during pregnancy (P). This increase in the FL-RyR3/DN-RyR3 ratio may contribute to the strong contractions by MSMCs for parturition. In the present study, spontaneous contractions by the myometrium in NP and P mice were highly susceptible to nifedipine but were not affected by ryanodine. Ca2+ image analyses under a voltage clamp revealed that the influx of Ca2+ through voltage-dependent Ca2+ channels did not cause the release of Ca2+ from the sarcoplasmic reticulum (SR). Cytosolic Ca2+ concentrations ([Ca2+]cyt) in MSMCs were not affected by caffeine. Despite the abundant expression of large conductance Ca2+-activated K+ channels in MSMCs, spontaneous transient outward currents were not observed in the resting state because of the substantive lack of Ca2+ sparks. Quantitative PCR and Western blot analyses indicated that DN-RyR3 was strongly expressed in the NP myometrium, while the expression of FL-RyR3 and DN-RyR3 was markedly reduced in the P myometrium. The messenger RNA (mRNA) expression of RyR2 and RyR1 was negligible in the NP and P myometria. Moreover, RyR3 knockout mice may become pregnant and deliver normally. Thus, we concluded that none of the RyR subtypes, including RyR3, play a significant role in the regulation of [Ca2+]cyt in or contractions by mouse MSMCs regardless of pregnancy. PMID- 27866276 TI - Manual Intrapleural Saline Flushing Plus Urokinase: A Potentially Useful Therapy for Complicated Parapneumonic Effusions and Empyemas. AB - PURPOSE: We sought to evaluate the safety profile and effectiveness of manual pleural saline flushing, in addition to urokinase, for managing complicated parapneumonic effusions and empyemas. METHODS: Retrospective comparative review of 23 consecutive patients with complicated parapneumonic effusions or empyemas who received saline flushing plus urokinase through small-bore chest catheters, and 39 who were only treated with fibrinolytics. Both groups had similar baseline characteristics and treatments were mostly protocol-driven. RESULTS: As compared with patients only receiving urokinase, those additionally treated with saline flushing needed less fibrinolytic doses (a single dose being sufficient in 15 vs 44%, p = 0.019), chest tube duration (5 vs 2 days, p < 0.01), and length of hospital stay (8 vs 6 days, p = 0.011). There were no adverse events attributed to saline therapy. CONCLUSIONS: Manual pleural saline flushing via chest tube, in addition to urokinase, is a safe and potentially beneficial therapy in patients with pleural infection. PMID- 27866277 TI - Identification of Key Cost Generating Events for Idiopathic Pulmonary Fibrosis: A Systematic Review. AB - BACKGROUND: Idiopathic pulmonary fibrosis (IPF) is an incurable, debilitating disease which impairs lung function and eventually leads to death. Currently, there is a lack of effective modifying therapies and treatments for IPF as the underlying epidemiological mechanism is not clearly understood. This leads to difficulty in diagnosing and managing IPF, which results in a high incurment of disease-associated cost. Even though IPF poses a substantial economic burden, there is a lack of research available on cost triggers and healthcare utilization, which can be a barrier to future economic evaluations of new medicines for IPF. OBJECTIVES: We aimed to conduct a systematic literature review (SLR) to identify the key cost-generating events of IPF and to gather any related costing information. RESULTS: The data showed that the main events triggering high resource use in patients were the symptoms of IPF progression along with comorbidities and lung transplantations. These events result in a high economic impact through the use of medications, health care professionals, and hospital stays. CONCLUSION: More research is needed to identify the direct, and indirect, relationships between IPF events and the costs they generate. This would help to further evaluate the area of need for future health technologies and to understand what events should be targeted to reduce the global economic burden of IPF. PMID- 27866279 TI - High-risk carotid plaques identified by CT-angiogram can predict acute myocardial infarction. AB - Prior studies identified the incremental value of non-invasive imaging by CT angiogram (CTA) to detect high-risk coronary atherosclerotic plaques. Due to their superficial locations, larger calibers and motion-free imaging, the carotid arteries provide the best anatomic access for the non-invasive characterization of atherosclerotic plaques. We aim to assess the ability of predicting obstructive coronary artery disease (CAD) or acute myocardial infarction (MI) based on high-risk carotid plaque features identified by CTA. We retrospectively examined carotid CTAs of 492 patients that presented with acute stroke to characterize the atherosclerotic plaques of the carotid arteries and examined development of acute MI and obstructive CAD within 12-months. Carotid lesions were defined in terms of calcifications (large or speckled), presence of low attenuation plaques, positive remodeling, and presence of napkin ring sign. Adjusted relative risks were calculated for each plaque features. Patients with speckled (<3 mm) calcifications and/or larger calcifications on CTA had a higher risk of developing an MI and/or obstructive CAD within 1 year compared to patients without (adjusted RR of 7.51, 95%CI 1.26-73.42, P = 0.001). Patients with low-attenuation plaques on CTA had a higher risk of developing an MI and/or obstructive CAD within 1 year than patients without (adjusted RR of 2.73, 95%CI 1.19-8.50, P = 0.021). Presence of carotid calcifications and low-attenuation plaques also portended higher sensitivity (100 and 79.17%, respectively) for the development of acute MI. Presence of carotid calcifications and low-attenuation plaques can predict the risk of developing acute MI and/or obstructive CAD within 12-months. Given their high sensitivity, their absence can reliably exclude 12 month events. PMID- 27866278 TI - Risk of acute myeloid leukemia and myelodysplastic syndrome among older women receiving anthracycline-based adjuvant chemotherapy for breast cancer on Modern Cooperative Group Trials (Alliance A151511). AB - PURPOSE: We examined acute myeloid leukemia (AML) and myelodysplastic syndrome (MDS) events among 9679 women treated for breast cancer on four adjuvant Alliance for Clinical Trials in Oncology trials with >90 months of follow-up in order to better characterize the risk for AML/MDS in older patients receiving anthracyclines. METHODS: We used multivariable Cox regression to examine factors associated with AML/MDS, adjusting for age (>=65 vs. <65 years; separately for >=70 vs. <70 years), race/ethnicity, insurance, performance status, and anthracycline receipt. We also examined the effect of cyclophosphamide, the interaction of anthracycline and age, and outcomes for those developing AML/MDS. RESULTS: On Cancer and Leukemia Group B (CALGB) 40101, 49907, 9344, and 9741, 7290 received anthracyclines; 15% were in the age >=65 and 7% were >=70. Overall, 47 patients developed AML/MDS (30 AML [0.3%], 17 MDS [0.2%]); 83% of events occurred within 5 years of study registration. Among those age >=65 and >=70, 0.8 and 1.0% developed AML/MDS (vs. 0.4% for age <65), respectively. In adjusted analyses, older age and anthracycline receipt were significantly associated with AML/MDS (adjusted hazard ratio [HR] for age >=65 [vs. <65] = 3.13, 95% confidence interval [CI] 1.18-8.33; HR for anthracycline receipt [vs. no anthracycline] = 5.16, 95% CI 1.47-18.19). There was no interaction between age and anthracycline use. Deaths occurred in 70% of those developing AML/MDS. CONCLUSIONS: We observed an increased risk for AML/MDS for older patients and those receiving anthracyclines, though these events were rare. Our results help inform discussions surrounding anticipated toxicities of adjuvant chemotherapy in older patients. PMID- 27866281 TI - Reversible lesion involving the splenium of the corpus callosum caused by phenytoin sodium withdrawal. PMID- 27866280 TI - Proteasome-mediated degradation of tyrosine hydroxylase triggered by its phosphorylation: a new question as to the intracellular location at which the degradation occurs. AB - Tyrosine hydroxylase (TH) is the rate-limiting enzyme in catecholamine biosynthesis, and its stability is a fundamental factor to maintain the level of the catecholamines in cells. However, the intracellular stability of TH determined by the degradation remains unknown; although the TH molecule phosphorylated at its Ser19 was observed in the nucleus, and the phosphorylation suspected to trigger its proteasome-mediated degradation. Computer-assisted analysis using the cNLS Mapper program predicted that two sequences of nuclear localization signals (NLS) exist in the N-terminus of TH molecule containing the phosphorylation sites Ser19, Ser31, and Ser40 (Pro9-Arg38 and Lys12-Ile42): the NLS scores indicated that TH could become localized in both nucleus and cytoplasm. Moreover, inhibition of the importin alpha/beta-mediated nuclear import pathway increased the level of TH phosphorylated at its Ser19 in PC12D cells. The results suggest that TH might be imported to nucleus from cytoplasm to be degraded. Recent studies revealed that proteasomes predominantly exist in the nucleus rather than in the cytoplasm to degrade the nuclear proteins related to cell-cycle progression, gene expression, DNA damage, and DNA repair. Therefore, these studies suggest that the relationship between the phosphorylation and the nuclear localization of the TH molecule should be a matter of focus to understand the mechanism of proteasome-mediated degradation of the enzyme as a first priority. PMID- 27866282 TI - Transfer to inpatient rehabilitation facilities after neurological admission. PMID- 27866283 TI - Learning curves of theta/beta neurofeedback in children with ADHD. AB - : Neurofeedback is widely applied as non-pharmacological intervention aimed at reducing symptoms of ADHD, even though efficacy has not been unequivocally established. Neuronal changes during the neurofeedback intervention that resemble learning can provide crucial evidence for the feasibility and specificity of this intervention. A total of 38 children (aged between 7 and 13 years) with a DSM-IV TR diagnosis of ADHD, completed on average 29 sessions of theta (4-8 Hz)/beta (13 20 Hz) neurofeedback training. Dependent variables included training-related measures as well as theta and beta power during baseline and training runs for each session. Learning effects were analyzed both within and between sessions. To further specify findings, individual learning curves were explored and correlated with behavioral changes in ADHD symptoms. Over the course of the training, there was a linear increase in participants' mean training level, highest obtained training level and the number of earned credits (range b = 0.059, -0.750, p < 0.001). Theta remained unchanged over the course of the training, while beta activity increased linearly within training sessions (b = 0.004, 95% CI = [0.0013 0.0067], p = 0.005) and over the course of the intervention (b = 0.0052, 95% CI = [0.0039-0.0065], p < 0.001). In contrast to the group analyses, significant individual learning curves were found for both theta and beta over the course of the intervention in 39 and 53%, respectively. Individual learning curves were not significantly correlated with behavioral changes. This study shows that children with ADHD can gain control over EEG states during neurofeedback, although a lack of behavioral correlates may indicate insufficient transfer to daily functioning, or to confounding reinforcement of electromyographic activity. CLINICAL TRIALS REGISTRATION: This trial is registered at the US National Institutes of Health (ClinicalTrials.gov, ref. no: NCT01363544); https://clinicaltrials.gov/show/NCT01363544 . PMID- 27866285 TI - A Power Calculator for the Classical Twin Design. AB - Power is a ubiquitous, though often overlooked, component of any statistical analyses. Almost every funding agency and institutional review board requires that some sort of power analysis is conducted prior to data collection. While there are several excellent on line power calculators for independent observations, twin studies pose unique challenges that are not incorporated into these algorithms. The goal of the current manuscript is to outline a general method for calculating power in twin studies, and to provide functions to allow researchers to easily conduct power analyses for a range of common twin models. Several scenarios are discussed to demonstrate the importance of various factors that influence the power within the classical twin design and to serve as examples for the provided functions. PMID- 27866284 TI - A syntenic locus on buffalo chromosome 20: novel genomic hotspot for miRNAs involved in follicular-luteal transition. AB - The developmental reorganization of ovarian follicular granulosa cells (GC) during follicular maturation, ovulation, and luteinization require a well controlled regulation of dynamic gene expression profiles. Recently, microRNAs (miRNAs) were found to be key players of ovarian follicular dynamics. The current study aimed to understand the miRNA regulatory role in follicular-luteal transition by characterizing the miRNA profile through miRNA-seq at different follicular (small, medium, and large) and luteal (early, mid, and late) stages in Indian water buffaloes, mono-ovulatory animals like humans. A total of 517 miRNAs were identified in follicular granulosa cells (GC) and corpus luteum (CL) together. Among them, 2 unique and 40 novel miRNAs were in GC; 15 unique and 45 novel miRNAs were in CL. Among the remaining 415 annotated common miRNAs between GC and CL, 43 have showed significant (p < 0.05) differential expression between GC and CL. Particularly, 39 and 4 miRNAs showed higher expression in CL and GC, respectively, with respect to each other. Genome mapping analysis revealed that 71.7% of differential miRNAs having higher expression in CL compared to GC, and 93% of the unique miRNAs in CL were mapped to a short chromosomal region of 0.7 Mb (67.4 to 68.1 Mb) on chromosome 21 of cows which is syntenic to the buffalo chromosome 20. Clustering of all these miRNAs at this locus suggests it as a chromosomal hotspot for miRNAs involved in follicular-luteal transition, especially for CL physiological functions. PMID- 27866286 TI - Social learning across species: horses (Equus caballus) learn from humans by observation. AB - This study examines whether horses can learn by observing humans, given that they identify individual humans and orientate on the focus of human attention. We tested 24 horses aged between 3 and 12. Twelve horses were tested on whether they would learn to open a feeding apparatus by observing a familiar person. The other 12 were controls and received exactly the same experimental procedure, but without a demonstration of how to operate the apparatus. More horses from the group with demonstration (8/12) reached the learning criterion of opening the feeder twenty times consecutively than horses from the control group (2/12), and younger horses seemed to reach the criterion more quickly. Horses not reaching the learning criteria approached the human experimenters more often than those that did. The results demonstrate that horses learn socially across species, in this case from humans. PMID- 27866287 TI - Examining the gastric cancer survival gap between Asians and whites in the United States. AB - BACKGROUND: Globally, Asian countries bear a disproportionate gastric cancer burden. Asian Americans, the fastest growing minority population in the US, have higher gastric cancer survival than non-Hispanic whites (NHWs) despite higher incidence. Benefitting from uniform cancer registry standards within the US, we examine for the first time the heterogeneity in the Asian American population, which may elucidate the causes of these disparities. METHODS: SEER gastric cancer data from 2000 to 2012 were used to calculate 5-year survival estimates for NHWs and the six largest Asian ethnicities. Multivariate analyses were performed to identify critical prognostic factors and survival disparities between Asian groups and NHWs. RESULTS: We analyzed 33,313 NHW and 8473 Asian gastric cancer cases. All Asian groups had significantly higher 5-year survival than NHWs, at 29.8%. Among Asians, Koreans and Vietnamese had the highest and lowest survival, at 45.4% and 35.7%, respectively. The Korean survival advantage was largely attributable to relatively high proportions of localized stage and low proportions of cardia tumors. After adjusting for major prognostic factors, the survival disadvantage of NHWs, while attenuated, remained significant in comparison to all Asian groups (HR: 1.33, 95% CI: 1.24-1.43; reference: Korean). The survival disparities within the Asian groups vanished with adjustment. CONCLUSIONS: This study characterizes distinctive gastric cancer survival patterns among the six major Asian groups and NHWs in the US. The favorable survival for Koreans is largely attributable to specific clinical factors, particularly stage at diagnosis. The causes of the survival disadvantage for NHWs remain elusive. PMID- 27866289 TI - Echocardiographic findings in asymptomatic systemic lupus erythematosus patients. AB - The aim of this study is to use transthoracic echocardiographic (TTE) imaging methods to identify cardiac dysfunction in asymptomatic systemic lupus erythematosus (SLE) patients and to determine the association between echocardiographic findings and serology. This is a prospective cross-sectional study where 50 patients with confirmed diagnoses of SLE were recruited from rheumatology outpatient clinics. Clinical and serological evaluation to confirm the diagnosis of lupus was done in all patients. Fifty SLE patients, 46 (92%) females and 4 (8%) males, were recruited. Anti-double-stranded DNA (Anti-dsDNA), anticardiolipin, lupus anticoagulant, and anti-beta2-glycoproteins were positive in 52.1, 32.6, 13.3, and 15.6%, respectively. Transthoracic echocardiogram revealed mitral regurgitation in 16 patients (32%), pericardial effusion in16 patients (32%), aortic regurgitation in five patients (10%), and tricuspid regurgitation in 10 patients (20%). Eleven patients had left ventricular hypertrophy (22%), and eight patients had ventricular systolic dysfunction (16%). Only four patients had ventricular diastolic dysfunction (8%). A significant association between mitral and tricuspid valve regurgitation and positive anti dsDNA (p < 0.018, p < 0.006, respectively) was found. Positive anticardiolipin antibodies, lupus anticoagulant, and anti-beta 2 glycoprotein antibodies were also associated with mitral valve regurgitation (p values 0.044, 0.006, and 0.023), respectively. Active disease assessed by Systemic Lupus Erythematosus Disease Activity Index (SLEDAI) was found to be associated with increased risk of mitral valvular leaflet thickening (p value 0.028). Performing regular transthoracic echocardiogram in asymptomatic SLE patients is important for early detection and appropriate treatment of cardiac lesions. Clinically quiescent but serologically active disease and presence of antiphospholipid antibodies were associated with structural heart abnormalities. PMID- 27866290 TI - Efficient oxidation of N-protected tryptophan and tryptophanyl-dipeptides by in situ generated dimethyldioxirane provides hexahydropyrroloindoline-containing synthons suitable for peptide synthesis and subsequent tryptathionylation. AB - A series of hydroxypyrroloindoline (Hpi) containing dipeptides along with the corresponding monomeric Hpi-alpha-amino acid (Hpi-2-carboxylate), were prepared by reacting a series of N alpha-protected-tryptophans in aqueous or biphasic [water/cyclopentyl methyl ether (CPME)] solutions containing Oxone(r) (potassium peroxymonosulfate) and acetone. This procedure avoids the tedious distillation of unstable dimethyldioxirane (DMDO), which is commonly used to oxidize indoles. Monomers N alpha-Boc-Hpi-OH and N alpha-Fmoc-Hpi-OH were readily incorporated by solid-phase peptide synthesis (SPPS) into a peptide containing a cysteine; in trifluoroacetic acid (TFA), the Hpi underwent intramolecular dehydrative condensation with the cysteine thiol to afford the anticipated tryptathionine crosslink. This eco- and user-friendly oxidative methodology greatly simplifies the synthesis of Hpi derivatives while enabling the synthesis of tryptathionine crosslinks characteristic of phalloidin and amanitin, two potent peptide toxins of present interest. PMID- 27866288 TI - Impact of Sexual Trauma on HIV Care Engagement: Perspectives of Female Patients with Trauma Histories in Cape Town, South Africa. AB - South African women have disproportionately high rates of both sexual trauma and HIV. To understand how sexual trauma impacts HIV care engagement, we conducted in depth qualitative interviews with 15 HIV-infected women with sexual trauma histories, recruited from a public clinic in Cape Town. Interviews explored trauma narratives, coping behaviors and care engagement, and transcripts were analyzed using a constant comparison method. Participants reported multiple and complex traumas across their lifetimes. Sexual trauma hindered HIV care engagement, especially immediately following HIV diagnosis, and there were indications that sexual trauma may interfere with future care engagement, via traumatic stress symptoms including avoidance. Disclosure of sexual trauma was limited; no women had disclosed to an HIV provider. Routine screening for sexual trauma in HIV care settings may help to identify individuals at risk of poor care engagement. Efficacious treatments are needed to address the psychological and behavioral sequelae of trauma. PMID- 27866291 TI - Japanese contribution to the field of sentinel lymph node biopsy for breast cancer patients: introduction to invited articles. PMID- 27866292 TI - Small reductions in corolla size and pollen: ovule ratio, but no changes in flower shape in selfing populations of the North American Arabidopsis lyrata. AB - The shift from outcrossing to selfing is often accompanied by striking changes in floral morphology towards a "selfing syndrome", which is characterized by flowers with reduction in size, pollen: ovule (P/O) ratio, and herkogamy. This study aims to test whether such changes have occurred in the North American Arabidopsis lyrata, which is of particular interest because of the relatively recent transitions to selfing in this system. Flower size, flower shape, herkogamy levels, P/O ratio, and floral integration of six self-incompatible (outcrossing) and six self-compatible (selfing) populations of A. lyrata were measured in a common environment using conventional and geometric morphometrics methods. Although selfers had on average 9.2% smaller corollas, 8.4% longer pistils, and 21.5% lower P/O ratios than outcrossers, there were no differences in shape, floral integration, and herkogamy between outcrossing and selfing populations. Moreover, most variation in floral traits was explained by population genetic background rather than by mating system. We conclude that selfing populations in A. lyrata have not evolved a selfing syndrome. PMID- 27866294 TI - Renal paratransplant hernia revealed: a review of the literature. AB - BACKGROUND: Renal paratransplant hernia (RPH) is an uncommon variant of internal hernias developed in renal transplant recipients. The aim of this review is to meticulously present and analyze all data coming mainly from case reports or short-case studies on this very uncommon surgical entity. MATERIALS AND METHODS: The MEDLINE/PubMed database was searched for publications with the medical subject heading ''renal paratransplant hernia''. All the references from the identified articles were searched for relevant information. The end date of the literature search was set to March 2016. RESULTS: Our search revealed five publications, three short clinical series (three cases each) and two case reports. The total number of cases retrieved was 11. RPH should be considered as an iatrogenic surgical complication. The incidence is around 0.45%. CONCLUSIONS: RPH is a relatively uncommon but potentially fatal complication after renal transplantation, and its non-specific symptoms may lead to misdiagnosis. Physician awareness, prompt diagnosis, and early surgical intervention are critical. In addition, meticulous surgical technique during transplantation may help avoid this complication. PMID- 27866293 TI - The efficacy of laparoscopic intracorporeal linear suture technique as a strategy for reducing recurrences in pediatric inguinal hernia. AB - PURPOSE: Pediatric laparoscopic herniorrhaphy has rare complications, but recurrence might occur. The purpose of this manuscript is to evaluate the efficacy of linear suture technique of laparoscopic pediatric herniorrhaphy in reducing recurrences. METHODS: Laparoscopic surgery was performed on 2223 pediatric patients (under 10 years old) from September 2012 to December 2014 in Damsoyu Hospital, Seoul, Republic of Korea. The causes of recurrence were investigated case by case. The patients were categorized into two groups according to the suture method used in closing the hernia orifice: Group 1 (purse string suture, 1009 patients) and Group 2 (linear suture, 1214 patients). RESULTS: There were 1413 (63.6%) male and 810 (36.4%) female patients. Mean age was 30.5 +/- 29.2 months. A significantly higher proportion of male patients, contralateral patent processus vaginalis, and less proportion of recurrence were observed in Group 2. There were ten cases of recurrence in Group 1 because the internal ring suture could not endure the tension. One recurrence occurred in Group 2. The suture technique and age were found to be a significant risk factor for recurrence. Linear suture technique had a lower recurrence rate (odds ratio = 0.07, with 95% confidence interval 0.01-0.53, and p = 0.004). CONCLUSIONS: Purse string suture technique causes significantly higher occurrence of hernia recurrences than linear suture technique. Linear suture technique can reduce recurrence by increasing the endurance to tension around the internal ring by distributing pressure to a wider area along the linear suture line. Linear suture technique can effectively reduce recurrence in pediatric inguinal herniorrhaphy. PMID- 27866295 TI - Characterization of a neutral recombinant xylanase from Thermoactinospora rubra YIM 77501T. AB - A xylanase gene (TrXyn10) from Thermoactinospora rubra YIM 77501T was cloned and expressed in Escherichia coli. The amino acid sequence displayed 78% homology with Microbispora mesophila xylanase (WP_062413927.1). The recombinant xylanase (TrXyn10), with MW 46.1 kDa, could hydrolyse beechwood, birchwood and oatspelt xylan. Based on the sequence, enzymatic properties and tertiary structure of the protein, TrXyn10 belongs to glycoside hydrolase family 10 (GH10). The optimal pH and temperature for the recombinant enzyme were determined to be 7.0 and 55 degrees C, respectively. TrXyn10 was stable over a wide pH range, and it retained more than 45% of the total activity at pH 6.0-12.0 for 12 h. In addition, the activity was greatly promoted, by approximately 200% of the initial activity, after incubation at pH 6.0 and 7.0 for 12 h. Based on enzymatic properties and product analysis, we showed that TrXyn10 is a neutral endoxylanase. PMID- 27866296 TI - Intranasal Curcumin Inhibits Pulmonary Fibrosis by Modulating Matrix Metalloproteinase-9 (MMP-9) in Ovalbumin-Induced Chronic Asthma. AB - Pulmonary fibrosis is associated with irreversible, or partially reversible, airflow obstruction and ultimately unresponsiveness to asthma therapies such as corticosteroids. Intranasal curcumin, an anti-inflammatory molecule, has been found effective in allergic asthma. To study the effect of intranasal curcumin on airway remodeling and fibrosis in murine model of chronic asthma, BALB/c mice were sensitized to ovalbumin (OVA) and exposed to OVA aerosol (2%) from day 21 (after sensitization) for 5 weeks (twice/week). Curcumin (intranasal) was administered during the OVA aerosol challenge. Mice exposed to OVA developed inflammation dominated by eosinophils which lead to fibrosis and airway remodeling. Intranasal administration of curcumin significantly inhibited airway inflammation and pulmonary fibrosis, where MMP-9 activities were decreased along with alpha-smooth muscle actin (alpha-SMA), MMP-9, TIMP-1, and eotaxin expressions. These results suggest that intranasal curcumin regulates airway inflammation and remodeling in chronic asthma. PMID- 27866298 TI - Radiation-induced osteosarcoma after Gamma Knife surgery for vestibular schwannoma: a case report and literature review. AB - We present a rare case of radiation-induced osteosarcoma following Gamma Knife(r) surgery (GKS) for a vestibular schwannoma (VS). A 49-year-old female with sporadic VS underwent GKS. Serial follow-up imaging showed that the tumor size decreased. Six years after GKS, magnetic resonance imaging demonstrated regrowth of the tumor. The tumor was removed via the retrosigmoid approach. Interestingly, the final pathology report confirmed osteosarcoma arising in schwannoma with direct transition (osteosarcoma component: 90 %, schwannoma component: 10 %). The osteosarcoma was considered to be a radiation-induced malignancy. The possibility of this rare complication should be explained to the patient before GKS, and the patient should be screened periodically after GKS. PMID- 27866297 TI - NPS2143 Inhibits MUC5AC and Proinflammatory Mediators in Cigarette Smoke Extract (CSE)-Stimulated Human Airway Epithelial Cells. AB - Mucus overproduction is a fundamental hallmark of COPD that is caused by exposure to cigarette smoke. MUC5AC is one of the main mucin genes expressed in the respiratory epithelium, and its transcriptional upregulation often correlates with increased mucus secretion. Calcium-sensing receptor (CaSR) antagonists have been reported to possess anti-inflammatory effects. The purpose of the present study was to investigate the protective role of NPS2143, a selective CaSR antagonist on cigarette smoke extract (CSE)-stimulated NCI-H292 mucoepidermoid human lung cells. Treatment of NPS2143 significantly inhibited the expression of MUC5AC in CSE-stimulated H292 cells. NPS2143 reduced the expression of MMP-9 in CSE-stimulated H292 cells. NPS2143 also decreased the release of proinflammatory cytokines such as IL-6 and TNF-alpha in CSE-stimulated H292 cells. Furthermore, NPS2143 attenuated the activation of MAPKs (JNK, p38, and ERK) and inhibited the nuclear translocation of NF-kappaB in CSE-stimulated H292 cells. These results indicate that NPS2143 had a therapeutic potential in COPD. PMID- 27866299 TI - Localization and dynamics of the anticarcinogenic curcumin with GM1 and other miceller assemblies. AB - Structural transitions involving shape changes play an important role in cellular physiology and enhance the bioavailability of the natural food like curcumin in surfactant aggregates. In this work, we have studied the localization, dynamics and stability of curcumin in various miceller assemblies using a combination of absorbance and fluorescence spectroscopic approaches. The measurements of absorption and fluorescence spectra of curcumin revealed that the nature of interactions of ionic and nonionic surfactants and the glycosphingolipid, GM1 with curcumin is significantly different with surfactant concentrations. At low concentrations of SDS and the GM1 the head group of SDS and GM1 binds to the central beta-diketone group of curcumin to form SDS-curcumin or GM1-curcumin complexes. At high concentrations, both formed micelles with curcumin completely solubilized inside. Cucurmin is solubilized in the stern layer of SDS micelles. Compared to spherical micelles, rod shaped micelles allow more curcumin to bind through hydrophobic interactions indicated by higher absorption and fluorescence, enhanced partition coefficient and stability. Whereas curcumin associates with GM1 micelles with lower partition coefficient, solubility and remain closer to aqueous phase decreasing its bioavailability and stability. While cucurmin is solubilized in the palisade layer of deoxycholate and octyl glucopyranoside micelles through the alkyl chains providing more hydrophobic microenvironment to curcumin with enhanced stability and bioavailability. Graphical abstract Schematic diagram of the two different types of detergent micelles and larger GM1 micelles. PMID- 27866300 TI - Endoscopic Management of Biliary Leaks and Strictures After Living Donor Liver Transplantation: Optimizing Techniques for Successful Management. AB - BACKGROUND AND AIMS: Biliary complications (BCs) occur in up to 40% of living donor liver transplant (LDLT) recipients. The aim of this study was to evaluate the efficacy of endoscopic therapy in the management of LDLT-related BCs. METHODS: A retrospective study of 100 LDLT recipients at a single transplant center over a 9-year period was conducted. BC was defined as a biliary leak and/or a stricture. Patient records were used to identify time to diagnosis, type of intervention, and time to resolution. RESULTS: BCs occurred in 46 (46%) patients; median follow-up was 4.6 years (range 5 days-9.3 years); and median time to diagnosis was 37.5 days (range 1 day-3.5 years). BCs were classified as a leak in 6 (6%), stricture in 22 (22%), and a leak + stricture in 18 (18%). ERCP was the initial treatment modality in 43/46 (93%) patients and was completed in 42/43 (98%). Three (6.5%) patients with a leak underwent surgery as the primary treatment approach. The median time to resolution of BCs was 91.5 days (range 21 367). Thirteen patients had a recurrence which was managed with endoscopic therapy alone. CONCLUSIONS: Endoscopic therapy was successful in almost all patients (98%) and ERCP alone resulted in successful treatment in a higher proportion of patients (93%) than traditionally reported. Advanced endoscopic techniques obviate the need for PTC and/or surgery and allow successful management in almost all LDLT recipients presenting with BC and in patients with recurrence of strictures. PMID- 27866303 TI - Anesthetic technique and cancer recurrence in oncologic surgery: unraveling the puzzle. AB - Surgery/anesthetic technique-stimulated immunosuppression in the perioperative period might cause an increase in cancer-related mortality. Whether anesthetic technique can affect the outcomes of cancer patients remains inconclusive. This review discusses data from the available literature on anesthetic techniques applied in oncologic surgery, the long-term outcomes of anesthetic technique, and their relation to survival and cancer recurrence. Searches of the PubMed database up to June 30, 2016, were conducted to identify publications with the terms "anesthetic technique and cancer recurrence," "regional anesthesia and cancer recurrence," "local anesthesia and cancer recurrence," "anesthetic technique and immunosuppression," and "anesthetic technique and oncologic surgery." Surgery/anesthesia-stimulated activation of the hypothalamic-pituitary-adrenal (HPA) axis and the sympathetic nervous system (SNS) provides immunosuppression through several soluble factors. Volatile anesthetics and opioids suppress cell mediated immunity (CMI) and promote the proliferation of cancer cells and angiogenesis, whereas propofol does not suppress CMI and inhibits tumor angiogenesis. Regional anesthesia (RA) protects CMI and diminishes the surgical neuroendocrine stress response by blocking afferent neural transmission that stimulates the HPA axis and SNS, decreasing the requirement for opioids and volatile anesthetics and thereby decreasing cancer recurrence. Preclinical and retrospective studies highlight a potential benefit of anesthetic technique in reducing cancer-related mortality and recurrence by attenuating immunosuppression following surgical treatment in patients with specific types of cancer. Several well-planned, prospective, randomized controlled trials (RCTs) are underway that may provide more conclusive and definitive results regarding the benefits of anesthetic technique on survival in oncologic surgery. PMID- 27866301 TI - Longitudinal Profiles of Girls' Irritable, Defiant and Antagonistic Oppositional Symptoms: Evidence for Group Based Differences in Symptom Severity. AB - Three subdimensions of ODD symptoms have been proposed -angry/irritable (IR), argumentative/defiant (DF) and antagonism (AN). This study tested whether longitudinal symptom trajectories could be identified by these subdimensions. Group-based trajectory analysis was used to identify developmental trajectories of IR, DF and AN symptoms. Multi-group trajectory analysis was then used to identify how subdimension trajectories were linked together over time. Data were drawn from the Pittsburgh Girls Study (PGS; N = 2450), an urban community sample of girls between the ages of five--eight at baseline. We included five waves of annual data across ages five-13 to model trajectories. Three trajectories were identified for each ODD subdimension: DF and AN were characterized by high, medium and low severity groups; IR was characterized by low, medium stable, and high increasing groups. Multi-trajectory analysis confirmed these subdimensions were best linked together based on symptom severity. We did not identify girls' trajectory groups that were characterized predominantly by a particular subdimension of ODD symptoms. Membership in more severe symptom groups was significantly associated with worse outcomes five years later. In childhood and early adolescence girls with high levels of ODD symptoms can be identified, and these youth are characterized by a persistently elevated profile of IR, DF and AN symptoms. Further studies in clinical samples are required to examine the ICD-10 proposal that ODD with irritability is a distinct or more severe form of ODD. PMID- 27866302 TI - Expression analysis of Dickkopf-related protein 3 (Dkk3) suggests its pleiotropic roles for a secretory glycoprotein in adult mouse. AB - Dickkopf-related protein 3 (Dkk3) is the third member of the Dkk gene family and identical to the gene, whose expression was reduced in immortalized cells. Therefore, its another name is reduced expression in immortalized cells. Since the intratumoral introduction of Dkk3 inhibits tumor growth in mouse models of cancers, Dkk3 is likely a tumor suppressor gene. However, the functions of Dkk3 in vivo remain unclear. As the first step to decipher the physiological roles of this gene, we examined the expression pattern of Dkk3 in various tissues from adult mice. In situ hybridization showed that Dkk3 mRNA was detected in the brain, retina, heart, gastrointestinal tract, adrenal glands, thymus, prostate glands, seminal vesicles, testes, and ovaries in a regionally specific manner. Furthermore, we raised anti-mouse Dkk3 antibody and performed immunohistochemistry. Cytoplasmic localization of Dkk3 protein was observed in the cells of the adrenal medulla, while Dkk3 immunoreactivity was observed in the lumen of the stomach and intestine, implying that the Dkk3 protein may be secreted into the lumen of the gastrointestinal tract. These results suggest that Dkk3 has pleiotropic roles for a secretory glycoprotein that acts primarily in the gastrointestinal tract, thymus, endocrine and reproductive organs of the mouse. PMID- 27866304 TI - Cell lineage determinants as regulators of breast cancer metastasis. AB - The mammary epithelium is organized in a hierarchy of mammary stem cells (MaSCs), progenitors, and differentiated cells. The development and homeostasis of mammary gland are tightly controlled by a complex network of cell lineage regulators. These determinants of cellular hierarchy are frequently deregulated in breast tumor cells and closely associated with cancer progression and metastasis. They also contribute to the diversity of breast cancer subtypes and their distinct metastatic patterns. Cell fate regulators that normally promote stem/progenitor activities can serve as drivers for epithelial-mesenchymal transition and metastasis whereas regulators that promote terminal differentiation generally suppress metastasis. In this review, we discuss how some of the key factors function in normal mammary lineage determination and how these processes are hijacked by tumor cells to enhance metastasis. Understanding the molecular connections between normal development and cancer metastasis will enable the development of more specific and effective therapeutic approaches targeting metastatic tumor cells. PMID- 27866305 TI - Mental Health Status of Double Minority Adolescents: Findings from National Cross Sectional Health Surveys. AB - Little population-based work has been published about the mental health of adolescents with both sexual/gender (SG) and ethnic minority (i.e. double minority) status. This study aimed to provide an overview on their mental health. Analysis of data from a total of 17,607 high school students from New Zealand's 2007 and 2012 cross-sectional nationally representative Adolescent Health Surveys, including a total of 1306 (7.4%) SG minority participants, of whom 581 (3.3%) were also an ethnic minority. SG minority status, minority ethnicity, and female sex were associated with higher mental distress and poorer well-being. Generally speaking, double minority students reported poorer mental health than SG majority students of the same ethnicity, but reported better mental health than SG minority New Zealand European students. Explanations and future directions for research were suggested to further explore how double minority students negotiate mental health in the context of their communities/cultures in New Zealand. PMID- 27866306 TI - Low Dose of Bisphenol A Activates NF-kappaB/IL-6 Signals to Increase Malignancy of Neuroblastoma Cells. AB - Bisphenol A (BPA) can accumulate in the human body and promote the progression of various cancers. However, its role in the development of neuroblastoma (NB) is largely unknown. Our present study revealed that nanomolar concentrations of BPA can significantly increase the proliferation, migration and invasion of NB SH SY5Y and SiMa cells, further evidenced by the upregulation of human proliferating cell nuclear antigen, Bcl-2, vimentin and fibronectin. Real-time PCR and ELISA results suggested that nanomolar BPA can increase the expression of interleukin-6 (IL-6), but had no effect on the expression of IL-2, IL-8, IL-10 or IL-12. The neutralization antibody of IL-6 can abolish BPA-induced proliferation and invasion of NB cells. The inhibitor of NF-kappaB (BAY 11-7082), but not PD98059 (PD, ERK1/2 inhibitor) or LY294002 (LY, PI3 K/Akt inhibitor), attenuated BPA induced IL-6 expression and cell proliferation and invasion. In addition, BPA treatment also rapidly increased the phosphorylation of p65 since treatment for 5 min. Collectively, our data revealed that nanomolar BPA can trigger the malignancy of NB cells via activation of NF-kappaB/IL-6 signals, suggesting that more attention should be paid to the potential health risks of daily BPA intake. PMID- 27866307 TI - Explicating the Conditions Under Which Multilevel Multiple Imputation Mitigates Bias Resulting from Random Coefficient-Dependent Missing Longitudinal Data. AB - Random coefficient-dependent (RCD) missingness is a non-ignorable mechanism through which missing data can arise in longitudinal designs. RCD, for which we cannot test, is a problematic form of missingness that occurs if subject-specific random effects correlate with propensity for missingness or dropout. Particularly when covariate missingness is a problem, investigators typically handle missing longitudinal data by using single-level multiple imputation procedures implemented with long-format data, which ignores within-person dependency entirely, or implemented with wide-format (i.e., multivariate) data, which ignores some aspects of within-person dependency. When either of these standard approaches to handling missing longitudinal data is used, RCD missingness leads to parameter bias and incorrect inference. We explain why multilevel multiple imputation (MMI) should alleviate bias induced by a RCD missing data mechanism under conditions that contribute to stronger determinacy of random coefficients. We evaluate our hypothesis with a simulation study. Three design factors are considered: intraclass correlation (ICC; ranging from .25 to .75), number of waves (ranging from 4 to 8), and percent of missing data (ranging from 20 to 50%). We find that MMI greatly outperforms the single-level wide-format (multivariate) method for imputation under a RCD mechanism. For the MMI analyses, bias was most alleviated when the ICC is high, there were more waves of data, and when there was less missing data. Practical recommendations for handling longitudinal missing data are suggested. PMID- 27866308 TI - Establishing a Mathematical Equations and Improving the Production of L-tert Leucine by Uniform Design and Regression Analysis. AB - L-tert-Leucine (L-Tle) and its derivatives are extensively used as crucial building blocks for chiral auxiliaries, pharmaceutically active ingredients, and ligands. Combining with formate dehydrogenase (FDH) for regenerating the expensive coenzyme NADH, leucine dehydrogenase (LeuDH) is continually used for synthesizing L-Tle from alpha-keto acid. A multilevel factorial experimental design was executed for research of this system. In this work, an efficient optimization method for improving the productivity of L-Tle was developed. And the mathematical model between different fermentation conditions and L-Tle yield was also determined in the form of the equation by using uniform design and regression analysis. The multivariate regression equation was conveniently implemented in water, with a space time yield of 505.9 g L-1 day-1 and an enantiomeric excess value of >99 %. These results demonstrated that this method might become an ideal protocol for industrial production of chiral compounds and unnatural amino acids such as chiral drug intermediates. PMID- 27866309 TI - Osteoporosis in patients with diabetes after kidney transplantation. AB - Preexisting diabetes increases risk of fractures after kidney transplantation (KT). However, little is known about mechanisms and prevention of increased fragility in these patients. Pathophysiology of osteoporosis after KT is complex and characterized by high prevalence of adynamic bone disease. Despite high prevalence of preexisting diabetes in KT recipients, diabetes patients were underrepresented in the studies that explored mechanisms and treatments of osteoporosis after KT. Therefore, caution should be exercised before considering conventional fracture prevention strategies in this unique group of patients. Many traditional osteoporosis medications reduce bone turnover and, hence, can be ineffective or even harmful in diabetic patients after KT. Contrary to predictions, evidence from the studies conducted in mostly non-diabetic subjects demonstrated that bisphosphonates failed to reduce fracture rates after KT. Therefore, bisphosphonates use should be limited in diabetic patients until more evidence supporting their post-transplant efficacy is available. We recommend the following strategies that may help reduce fracture risk in diabetes subjects after KT such as adequate management of calcium, parathyroid hormone, and vitamin D levels, optimization of glycemic control, use of steroid-sparing immunosuppressive regimens, and fall prevention. PMID- 27866311 TI - Unforced Revision in Processing Relative Clause Association Ambiguity in Japanese: Evidence Against Revision as Last Resort. AB - The current study tackles a long standing question of whether comprehenders perform structural revision when it is not forced by grammar or not. Using an eye tracking reading paradigm, we addressed this issue by making use of global structural ambiguity in Japanese. Our results show that comprehenders initially associate a relative clause with the first potential head noun and that they revise this analysis when the second noun is lexico-semantically possible as the relative clause head, but do not when it is impossible. The results are incompatible with the Revision as Last Resort hypothesis. Instead, they support the parsing with unforced revision that is immediately sensitive to lexical properties. We argue that our results cannot be accounted for by serial modular processing models but that they can be explained by ranked-parallel interactive processing models. Furthermore, we propose that head-finality is a key factor involved in the availability of unforced revision. PMID- 27866310 TI - Prediction of difficult laryngoscopy using spirometry: a pilot study. AB - Prediction of difficult laryngoscopy is still the uncovered secret of anesthetic practice. This pilot study is aimed to assess the efficacy of spirometry measurements in predicting difficult laryngoscopy compared with conventional airway assessment techniques. We enrolled 202 adults, ages 18-40 years, with an American Society of Anaesthesiologists score of I or II, scheduled for elective surgery and undergoing general anesthesia. Spirometry was used for lung capacity measurements before the operation. The Mallampati classification, neck circumference, sternomental distance, thyromental distance, maximum mouth-opening measurement, and upper lip bite test of the subjects were measured. During intubation, the Cormack-Lehane grade was recorded. Spearman's correlation analysis was used to define the linearity between spirometry outputs and airway measurements. Receiver operating curves were drawn to discriminate the predictive features of the significant values. The thyromental distance showed a higher correlation with forced inspiratory vital capacity (rho = 0.420, P < 0.001). In a multivariate linear regression model, all spirometry measurements revealed that forced inspiratory vital capacity (beta = -2.050, P = 0.022) was the significant predictor for difficult laryngoscopy. The area under the curve for forced inspiratory vital capacity with a cut-off value of 3.1950 L while using thyromental distance as difficult laryngoscopy indicator is 0.754 and forced inspiratory vital capacity showed a sensitivity of 0.718 and specificity of 0.714 with a positive likelihood ratio of 2.5104 and negative likelihood ratio of 0.3949. Forced inspiratory vital capacity showed a close association with the prediction of difficult laryngoscopy. PMID- 27866312 TI - Transgenic citrus expressing synthesized cecropin B genes in the phloem exhibits decreased susceptibility to Huanglongbing. AB - KEY MESSAGE: Expression of synthesized cecropin B genes in the citrus phloem, where Candidatus Liberibacter asiaticus resides, significantly decreased host susceptibility to Huanglongbing. Huanglongbing (HLB), associated with Candidatus Liberibacter asiaticus bacteria, is the most destructive disease of citrus worldwide. All of the commercial sweet orange cultivars lack resistance to this disease. The cationic lytic peptide cecropin B, isolated from the Chinese tasar moth (Antheraea pernyi), has been shown to effectively eliminate bacteria. In this study, we demonstrated that transgenic citrus (Citrus sinensis Osbeck) expressing the cecropin B gene specifically in the phloem had a decreased susceptibility to HLB. Three plant codon-optimized synthetic cecropin B genes, which were designed to secrete the cecropin B peptide into three specific sites, the extracellular space, the cytoplasm, and the endoplasmic reticulum, were constructed. Under the control of the selected phloem-specific promoter GRP1.8, these constructs were transferred into the citrus genome. All of the cecropin B genes were efficiently expressed in the phloem of transgenic plants. Over more than a year of evaluation, the transgenic lines exhibited reduced disease severity. Bacterial populations in transgenic lines were significantly lower than in the controls. Two lines, in which bacterial populations were significantly lower than in others, showed no visible symptoms. Thus, we demonstrated the potential application of the phloem-specific expression of an antimicrobial peptide gene to protect citrus plants from HLB. PMID- 27866313 TI - Two MYB-related transcription factors play opposite roles in sugar signaling in Arabidopsis. AB - KEY MESSAGE: Sugar regulation of gene expression has profound effects at all stages of the plant life cycle. Although regulation at the transcriptional level is one of the most prominent mechanisms by which gene expression is regulated, only a few transcription factors have been identified and demonstrated to be involved in the regulation of sugar-regulated gene expression. OsMYBS1, an R1/2 type MYB transcription factor, has been demonstrated to be involved in sugar- and hormone-regulated alpha-amylase gene expression in rice. Arabidopsis contains two OsMYBS1 homologs. In the present study, we investigate MYBS1 and MYBS2 in sugar signaling in Arabidopsis. Our results indicate that MYBS1 and MYBS2 play opposite roles in regulating glucose and ABA signaling in Arabidopsis during seed germination and early seedling development. MYB proteins have been classified into four subfamilies: R2R3-MYB, R1/2-MYB, 3R-MYB, and 4R-MYB. An R1/2-type MYB transcription factor, OsMYBS1, has been demonstrated to be involved in sugar- and hormone-regulated alpha-amylase genes expression in rice. In this study, two genes homologous to OsMYBS1, MYBS1 and MYBS2, were investigated in Arabidopsis. Subcellular localization analysis showed that MYBS1 and MYBS2 were localized in the nucleus. Rice embryo transient expression assays indicated that both MYBS1 and MYBS2 could recognize the sugar response element, TA-box, in the promoter and induced promoter activity. mybs1 mutant exhibited hypersensitivity to glucose, whereas mybs2 seedlings were hyposensitive to it. MYBS1 and MYBS2 are involved in the control of glucose-responsive gene expression, as the mybs1 mutant displayed increased expression of a hexokinase gene (HXK1), chlorophyll a/b-binding protein gene (CAB1), ADP-glucose pyrophosphorylase gene (APL3), and chalcone synthase gene (CHS), whereas the mybs2 mutant exhibited decreased expression of these genes. mybs1 also showed an enhanced response to abscisic acid (ABA) in the seed germination and seedling growth stages, while mybs2 showed reduced responses. The ABA biosynthesis inhibitor fluridone rescued the mybs1 glucose-hypersensitive phenotype. Moreover, the mRNA levels of three ABA biosynthesis genes, ABA1, NCED9, and AAO3, and three ABA signaling genes, ABI3, ABI4, and ABI5, were increased upon glucose treatment of mybs1 seedlings, but were decreased in mybs2 seedlings. These results indicate that MYBS1 and MYBS2 play opposite roles in regulating glucose and ABA signaling in Arabidopsis during seed germination and early seedling development. PMID- 27866314 TI - Factors associated with health-related quality of life (HRQOL) in adults with short stature skeletal dysplasias. AB - INTRODUCTION: Numerous factors associate with health disparities. The extent to which such factors influence health-related quality of life (HRQOL) among adults with short stature skeletal dysplasias (SD) is unknown. In an effort to update and clarify knowledge about the HRQOL of adults with SD, this study aimed to quantify HRQOL scores relative to the American average and assess whether specific indicators are associated with lower scores. METHODS: Members (>18 years) of Little People of America were invited to complete an online survey assessing HRQOL using the SF-12 supplemented with indicator-specific questions. SF-12 components (Physical Component Summary, PCS; Mental Component Summary, MCS) were compared to the standardized national American mean. Scores were divided at the median to identify factors associated with lower scores using multivariable logistic regression, adjusting for age, gender, race, education, and employment. RESULTS: A total of 189 surveys were completed. Mean and median PCS and MCS were below the national mean of 50 (p < 0.001). Advancing decade of age corresponded to a significant decline in PCS (p < 0.001) but not MCS (p = 0.366). Pain prevalence was high (79.4%); however, only 5.9% visited a pain specialist. Significant factors for lower PCS included age >40 years (p = 0.020), having spondyloepiphyseal dysplasia congenita (SED) or diastrophic dysplasia relative to achondroplasia (p = 0.023), pain (p < 0.001), and "partial" versus "full" health insurance coverage (p = 0.034). For MCS, significant factors included a lack of social support (p = 0.002) and being treated differently/feeling stigmatized by health care providers (p = 0.022). CONCLUSIONS: Individuals with SD face documented disparities and report lower HRQOL. Further research and interventions are needed to modify nuanced factors influencing these results and address the high prevalence of pain. PMID- 27866315 TI - Does the EQ-5D capture the effects of physical and mental health status on life satisfaction among older people? A path analysis approach. AB - PURPOSE: To examine the extent to which EQ-5D utility scores capture the effect of mental and physical health status on life satisfaction (LS) in older adults. METHODS: Retrospective cohort study of 884 patients aged >=70 years from 15 general practices in Ireland, including medical records, pharmacy claims, and self-completion questionnaire. Path analysis was used to evaluate the direct and indirect effects of: (1) chronic disease burden (based on medications data); (2) activity limitation (basic and instrumental activities of daily living); (3) anxiety symptoms and; (4) depressive symptoms (Hospital Anxiety and Depression Scale) on LS (Life Satisfaction Index Z), via a utility score based on responses to the EQ-5D scale. Utility scores were calculated using UK time trade-off utility weights. Covariates included age and socioeconomic status. RESULTS: The final path model fitted the data well (goodness of fit chi2 = 7.5, df (7), p = 0.37). The direct effects of chronic disease burden and disability on LS were not statistically significant and were excluded from the final model, indicating that EQ-5D score mediated 100% of the total effect on LS. The direct and indirect effects of anxiety and depression on LS were statistically significant, but the size of the indirect effect was small (4% of the total effect for anxiety and 6% of the total effect for depression). CONCLUSION: The EQ-5D does not adequately capture the effects of anxiety and depression on LS among older adults, suggesting that it may lead to inaccurate assessments of the effectiveness of interventions in this cohort. PMID- 27866316 TI - Epidemiology of developmental dysplasia of the hip within the UK: refining the risk factors. AB - PURPOSE: The epidemiology and risk factors for developmental dysplasia of the hip (DDH) are still being refined. We investigated the local epidemiology of DDH in order to define incidence, identify risk factors, and refine our policy on selective ultrasound screening. METHODS: With a cohort study design, data were prospectively recorded on all live births in our region from January 1998 to December 2008. We compared data on babies treated for DDH with data for all other children. Crude odds ratios (ORs) were calculated to identify potential risk factors. Logistic regression was then used to control for interactions between variables. RESULTS: There were 182 children born with DDH (with a total of 245 dysplastic hips) and 37,051 without. The incidence was 4.9 per 1000 live births. Female sex (adjusted OR 7.2, 95% confidence interval [CI] 4.6-11.2), breech presentation (adjusted OR 24.3, 95% CI 13.1-44.9), positive family history (adjusted OR 15.9, 95% CI 11.0-22.9) and first or second pregnancy (adjusted OR 1.8, 95% CI 1.5-2.3) were confirmed as risk factors (p < 0.001). In addition, there was an increased risk with vaginal delivery (adjusted OR 2.7, 1.6-4.5, p < 0.001) and post-maturity (OR 1.7, 1.2-2.4, p < 0.002). CONCLUSIONS: One in 200 children born within our region requires treatment for DDH. Using both established and novel risk factors, we can potentially calculate an individual child's risk. Our findings may contribute to the debate regarding selective versus universal ultrasound screening. LEVEL OF EVIDENCE: Prognostic Study: Level 1. PMID- 27866317 TI - Spectrofluorimetric and Potentiometric Determination of Acidity Constants of 4 (4'-Acetyloxy-3'-Methoxybenzylidene)-5-Oxazolone Derivatives. AB - 4-(4'-acetyloxy-3'-methoxybenzylidene)-5-oxazolone fluorescent molecules bearing four different aryl groups attached to the 2-position of 5-oxazolone ring have been investigated by spectrophotometric and potentiometric techniques in solution media. The acidity constants (pKa) of the fluorescent molecules were precisely determined in acetone, acetonitrile, dimethylformamide and in 1:1 mixture of toluene-isopropanol. The studied derivatives were titrated with tetrabutylammonium hydroxide and non-aqueous perchloric acid by scanning the basic and acidic region of the pH scale. A computerizable derivative method was used in order to descript precisely the end point and pKa values. The molecules investigated performed well-shaped and stoichiometric potentiometric titration curves. PMID- 27866318 TI - Pig BVDV-2 non-structural protein (Npro) links to cellular antiviral response in vitro. AB - In this study, we constructed for the first time a full-length cDNA clone of pig original bovine viral diarrhea virus 2 (BVDV-2) strain SH-28, modified the cDNA clone (pASH28) for mutant pASHDeltaNpro and derived virus strain vASHDeltaNpro by deleting the genomic region encoding the Npro polypeptide, and examined significance of protein Npro for antiviral responses in vitro. Data showed that Npro-deletion mutant virus vASHDeltaNpro led to significant overexpression of oligo adenylate synthetase (OAS), myxovirus-resistant protein 1 (Mx1), and ubiquitin-like protein 15 (ISG15). Data also revealed that overexpression of Npro, but not NS2 and NS3 proteins, resulted in significant down-regulation of OAS, Mx1, and ISG15 production (p <= 0.05) in bovine cells as well as porcine cells transfected with Npro recombinant eukaryotic expression plasmids. Npro (but not NS2 and NS3) was also found to inhibit poly(IC) from inducing production of type I interferon (IFN-I). These results indicated that protein Npro may play multiple roles in regulating antiviral response in host cells interfered by pig BVDV-2 strain, and provided useful information to understand better the mechanism of BVDV-2 persistent infection in pigs. PMID- 27866319 TI - Successful Posaconazole Therapy of Disseminated Alternariosis due to Alternaria infectoria in a Heart Transplant Recipient. AB - We report a case of phaeohyphomycosis caused by Alternaria infectoria in a 61 year-old heart transplant recipient with multiple skin lesions and pulmonary infiltrates. The infection spread via the haematogenous route from the primary cutaneous lesions into the lungs. The diagnosis was based on the histopathological examination, direct microscopy, skin lesion cultures and detection of Alternaria DNA in the bronchoalveolar lavage fluid using molecular methods. The treatment consisted of a combination of surgical excision and systemic antifungal therapy. Voriconazole was the first agent used but had a weak effect. Posaconazole was subsequently used to achieve a successful response. The isolate was identified as A. infectoria by sequencing of the rDNA ITS region and the partial beta-tubulin gene. PMID- 27866320 TI - Protein tyrosine phosphatase 1B inhibitory properties of seco-cucurbitane triterpenes obtained from fruiting bodies of Russula lepida. AB - The known seco-cucurbitane triterpene, (24E)-3,4-seco-cucurbita-4,24-diene 3,26,29-trioic acid (1), has been isolated as a potent protein tyrosine phosphatase (PTP) 1B inhibitor together with a new analogue, (24E)-3,4-seco cucurbita-4,24-diene-3-hydroxy-26,29-dioic acid (2), from the fruiting bodies of Russula lepida. Further evaluation of their biological properties against PTPs revealed that compound 1 inhibited T-cell PTP activity similarly to PTP1B and exhibited moderate selectivity against PTP1B over vaccinia H-1-related phosphatase. Moreover, the in vitro growth inhibitory effects of 1 and 2 against three human cancer cell lines were examined in order to evaluate cell-based efficacy. However, neither 1 nor 2 enhanced insulin-stimulated p-Akt levels at non-cytotoxic concentrations. PMID- 27866321 TI - Exceptional Symmetry by Genomic Word : A Statistical Analysis. AB - Single-strand DNA symmetry is pointed as a universal law observed in the genomes from all living organisms. It is a somewhat broadly defined concept, which has been refined into some more specific measurable effects. Here we discuss the exceptional symmetry effect. Exceptional symmetry is the symmetry effect beyond that expected in independence contexts, and it can be measured for each word, for each equivalent composition group, or globally, combining the effects of all possible words of a given length. Global exceptional symmetry was found in several species, but there are genomic words with no exceptional symmetry effect, whereas others show a very high exceptional symmetry effect. In this work, we discuss a measure to evaluate the exceptional symmetry effect by symmetric word pair, and compare it with others. We present a detailed study of the exceptional symmetry by symmetric pairs and take the CG content into account. We also introduce and discuss the exceptional symmetry profile for the DNA of each organism, and we perform a multiple comparison for 31 genomes: 7 viruses; 5 archaea; 5 bacteria; 14 eukaryotes. PMID- 27866322 TI - Rare Case of an Ancient Craniofacial Osteosarcoma with Probable Surgical Intervention. AB - Osteosarcoma is the most common primary malignant bone tumor both today and in antiquity. Nevertheless, it is a comparatively rare tumor. This paper describes a case of a highly aggressive craniofacial lesion from the 11th-12th centuries AD, most likely representing osteosarcoma. During the paleopathological study, macroscopic, endoscopic, radiological, scanning-electron and light microscopic investigations were performed. The skull of the approximately 40-50 year-old female revealed several pathological findings. The most impressive macroscopic feature was an extensively spiculated periosteal reaction ("sunburst" pattern) in combination with a massive bone destruction most likely derived from a highly aggressive tumor originating in the ethmoidal area of the medial wall of the orbit. The central parts of the lesion showed excessive new and most probably neoplastic bone formation indicating an underlying high-grade osteosarcoma. The light microscopic examination revealed three different levels of bony structures representing different qualities of bone tissues. Besides the mass lesion, signs of a healed multiple incomplete trephination of the left parietal bone was observed. This case represents a unique example in which the concomitance of a tumor and an incomplete trephination could be observed from the skeletal remains of an ancient individual. The case opens new considerations as to whether surgical interventions, such as incomplete trephination, might have been used already in the Middle Ages as a therapeutic approach. PMID- 27866323 TI - Measuring Compassion in Healthcare: A Comprehensive and Critical Review. AB - BACKGROUND: There is international concern about the lack of compassion in healthcare systems. A valid and reliable tool for measuring compassion in healthcare systems and educational institutions is required. This comprehensive and critical narrative synthesis identified and compared existing measures of compassionate care in clinical settings. METHODS: PubMed, MEDLINE, CINAHL and PsycINFO databases and grey literature were searched to identify studies that report information on instruments that measure compassion or compassionate care in clinicians, nurses, healthcare students and patients. Textual qualitative descriptions of included studies were prepared. Instruments were evaluated using the Evaluating Measures of Patient-Reported Outcomes (EMPRO) tool. RESULTS: Nine studies containing information on the Compassion Competence Scale, a self-report instrument that measures compassion competence among Korean nurses; the Compassion Scale, the Compassionate Care Assessment Tool(c), and the Schwartz Center Compassionate Care ScaleTM, patient-reported instruments that measure the importance of healthcare provider compassion; the Compassion Practices Scale, an instrument that measures organisational support for compassionate care; and instruments that measure compassion in educational institutions (instructional quality and a Geriatric Attitudes Scale), were included. Each instrument is associated with significant limitations. Most only measure certain aspects of compassion and lack evidence of adaptability to diverse practice settings. The EMPRO of self-report instruments revealed a lack of psychometric information on measurement reliability, validity, responsiveness and interpretability, respondent, administrative and scoring burden, and use in subpopulations. CONCLUSION: The findings of this narrative synthesis identified an unmet need for a psychometrically validated instrument that comprehensively measures the construct of compassion in healthcare settings. PMID- 27866324 TI - Pedicle screw insertion techniques: an update and review of the literature. AB - Pedicle screw construct have become one of the most practiced procedure in spinal surgery. Despite commonly used, questions remain about their safety especially for the thoracic spine and in deformity where difficulty in positioning can lead to pedicle breach and adjacent structures injury. Misplacement rates have been reported to be from 5 to 41% in the lumbar spine and from 3 to 55% in the thoracic spine. Hence, various procedures have been described in order to improve pedicle screw insertion accuracy. Aim of this study is to evaluate current concepts on pedicle screws placement techniques to better understand recent attitude and clarify some doubts when selecting the most proper method. PMID- 27866325 TI - Sexually Dimorphic Expression of Reelin in the Brain of a Mouse Model of Alzheimer Disease. AB - Recent evidence highlights the protective role of reelin against amyloid beta (Abeta)-induced synaptic dysfunction and cognitive impairment in Alzheimer disease (AD). In this study, exploiting TgCRND8 mice that overexpress a mutant form of amyloid beta precursor protein (AbetaPP) and display an early onset of AD neuropathological signs, we addressed the question whether changes of reelin expression eventually precede the appearance of Abeta-plaques in a sex-dependent manner. We show that sex-associated and brain region-specific differences in reelin expression appear long before Abeta-plaque formation. However, in spite of a downregulation of reelin expression compared to males, TgCRND8 females display fewer Abeta-plaques, suggesting that additional factors, other than sex and reelin level, influence amyloidosis in this mouse model. PMID- 27866327 TI - Mesenchymal Stem Cells Attenuate the Adverse Effects of Immunosuppressive Drugs on Distinct T Cell Subopulations. AB - Immunosuppressive drugs are widely used to treat undesirable immune reaction, however their clinical use is often limited by harmful side effects. The combined application of immunosuppressive agents with mesenchymal stem cells (MSCs) offers a promising alternative approach that enables the reduction of immunosuppressive agent doses and simultaneously maintains or improves the outcome of therapy. The present study aimed to determinate the effects of immunosuppressants on individual T cell subpopulations and to investigate the efficacy of MSC-based treatment combined with immunosuppressive drugs. We tested the effect of five widely used immunosuppressants with different action mechanisms: cyclosporine A, mycophenolate mofetil, rapamycin, and two glucocorticoids - prednisone and dexamethasone in combination with MSCs on mouse CD4+ and CD8+ lymphocyte viability and activation, Th17 (RORgammat+), Th1 (T-bet+), Th2 (GATA-3+) and Treg (Foxp3+) cell proportion and on the production of corresponding key cytokines (IL 17, IFNgamma, IL-4 and IL-10). We showed that MSCs modulate the actions of immunosuppressants and in combination with immunosuppressive drugs display distinct effect on cell activation and balance among different T lymphocytes subpopulations and exert a suppressive effect on proinflammatory T cell subsets while promoting the functions of anti-inflammatory Treg lymphocytes. The results indicated that MSC-based therapy could be a powerful strategy to attenuate the negative effects of immunosuppressive drugs on the immune system. PMID- 27866328 TI - Histochemical changes of occlusal surface enamel of permanent teeth, where dental caries is questionable vs sound enamel surfaces. AB - AIM: This in vitro study was to classify questionable for caries occlusal surfaces (QCOS) of permanent teeth according to ICDAS codes 1, 2, and 3 and to compare them in terms of enamel mineral composition with the areas of sound tissue of the same tooth. METHODS: Partially impacted human molars (60) extracted for therapeutic reasons with QCOS were used in the study, photographed via a polarised light microscope and classified according to the ICDAS II (into codes 1, 2, or 3). The crowns were embedded in clear self-cured acrylic resin and longitudinally sectioned at the levels of the characterised lesions and studied by SEM/EDX, to assess enamel mineral composition of the QCOS. Univariate and multivariate random effect regressions were used for Ca (wt%), P (wt%), and Ca/P (wt%). RESULTS: The EDX analysis indicated changes in the Ca and P contents that were more prominent in ICDAS-II code 3 lesions compared to codes 1 and 2 lesions. In these lesions, Ca (wt%) and P (wt%) concentrations were significantly decreased (p = 0.01) in comparison with sound areas. Ca and P (wt%) contents were significantly lower (p = 0.02 and p = 0.01 respectively) for code 3 areas in comparison with codes 1 and 2 areas. Significantly higher (p = 0.01) Ca (wt%) and P (wt%) contents were found on sound areas compared to the lesion areas. CONCLUSIONS: The enamel of occlusal surfaces of permanent teeth with ICDAS 1, 2, and 3 lesions was found to have different Ca/P compositions, necessitating further investigation on whether these altered surfaces might behave differently on etching preparation before fissure sealant placement, compared to sound surfaces. PMID- 27866326 TI - The Neuroprotective Peptide Poly-Arginine-12 (R12) Reduces Cell Surface Levels of NMDA NR2B Receptor Subunit in Cortical Neurons; Investigation into the Involvement of Endocytic Mechanisms. AB - We have previously reported that cationic poly-arginine and arginine-rich cell penetrating peptides display high-level neuroprotection and reduce calcium influx following in vitro excitotoxicity, as well as reduce brain injury in animal stroke models. Using the neuroprotective peptides poly-arginine R12 (R12) and the NR2B9c peptide fused to the arginine-rich carrier peptide TAT (TAT-NR2B9c; also known as NA-1), we investigated the mechanisms whereby poly-arginine and arginine rich peptides reduce glutamate-induced excitotoxic calcium influx. Using cell surface biotin protein labeling and western blot analysis, we demonstrated that R12 and TAT-NR2B9c significantly reduced cortical neuronal cell surface expression of the NMDA receptor subunit NR2B. Chemical endocytic inhibitors used individually or in combination prior to glutamate excitotoxicity did not significantly affect R12 peptide neuroprotective efficacy. Similarly, pretreatment of neurons with enzymes to degrade anionic cell surface proteoglycans, heparan sulfate proteoglycan (HSPG), and chondroitin sulfate proteoglycan (CSPG), as well as sialic acid residues, did not significantly affect peptide neuroprotective efficacy. While the exact mechanisms responsible for R12 peptide-mediated NMDA receptor NR2B subunit cell surface downregulation were not identified, an endocytic process could not be ruled out. The study supports our hypothesis that arginine-rich peptides reduce excitotoxic calcium influx by reducing the levels of cell surface ion channels. PMID- 27866329 TI - Diffusional behavior and guest conformational analysis of hexadecane-1,16-diol and hexadecane in urea crystal model via molecular dynamics simulation approach. AB - Diffusion at the atomic or molecular level is a source of many physical, chemical, and biological processes taking place in plentiful materials. This work is an endeavor toward investigating the diffusional behavior of two different type of guests, hexadecane-1,16-diol and hexadecane enclathration in urea tunnel architecture, whereby the correlation of the diffusion mechanism with the guest's structural and conformational properties is explored. To carry out this study, molecular dynamics simulation approach is adopted. It is found that hexadecane 1,16-diol exhibit slower diffusion with an average diffusion coefficient value [Formula: see text], where hexadecane diffuse more rapidly with an average diffusion coefficient value [Formula: see text]. It is also observed that the structural properties influence the guest's travel distance and torsion angle distribution of the trans and gauche conformational proportion. Furthermore, the observed high energy barrier accounted for hexadecane-1,16-diol and low energy barrier for hexadecane along urea tunnel systems was analyzed. The comparison of our obtained results are in close agreement with the available experimental measurements, i.e., gauche proportion properties between two different guest molecules correlate well with Raman spectroscopy investigation on alpha,omega dihalogenoalkane/urea inclusion compounds. Our calculations also successfully endorse the structure-property relation between the two systems. PMID- 27866330 TI - Human gut microbiota: the links with dementia development. AB - Dementia is a comprehensive category of brain diseases that is great enough to affect a person's daily functioning. The most common type of dementia is Alzheimer's disease, which makes most of cases. New researches indicate that gastrointestinal tract microbiota are directly linked to dementia pathogenesis through triggering metabolic diseases and low-grade inflammation progress. A novel strategy is proposed for the management of these disorders and as an adjuvant for psychiatric treatment of dementia and other related diseases through modulation of the microbiota (e.g. with the use of probiotics). PMID- 27866331 TI - Photoreceptor degeneration by intravitreal injection of N-methyl-N-nitrosourea (MNU) in rabbits: a pilot study. AB - BACKGROUND: Pilot study on the attempt to induce selective photoreceptor degeneration in the rabbit eye by intravitreal injection of MNU, facing the difficulties of the evaluation of retinal degeneration by different in-vivo and in-vitro methods in such a large eye animal model. METHODS: Eight pigmented Chinchilla Bastard rabbits were injected intravitreally with MNU (1 * 1mg/kg body weight (BW), 1 * 2mg/kg BW, 3 * 3mg/kg BW, 1 * 4mg/kg BW, 1 * 6mg/kg BW, and 1 * DMSO + PBS as control). One, 2, and 3 weeks after injection, the effects on the rabbit retina were examined in vivo using clinical observation (macroscopic images, funduscopy, weighing of the animals), measurement of intraocular pressure (IOP), full-field Electroretinography (ffERG), and spectral-domain Optical Coherence Tomography (sd-OCT). After 3 weeks follow-up, blood samples were taken to evaluate the general health status of the animals, and immunohistochemistry (IH) was performed on sections obtained from six different regions throughout the whole retina to evaluate MNU effects in more detail. RESULTS: It was difficult to observe the effects of MNU on retinal structure by OCT in vivo. Only the temporal quadrant of the retina could be visualized. Therefore, it was indispensible to evaluate the effects of MNU on the retina in vitro by examining six areas of the retina using immunohistochemistry. Furthermore, immunohistochemistry plays a decisive role to evaluate the effects on retinal cells other than photoreceptors while in H&E staining, namely the cell count of the ONL can be observed. The results obtained in vivo and in vitro in this study mainly follow the results of a previous study in mice. The low doses of MNU (1, 2 mg/kg BW) had no effects on retinal function and morphology, while high doses (4, 6 mg/kg BW) led to retinal changes in combination with significant side-effects (e.g., cataractous changes). Injection of 3 mg/kg BW MNU induced selective photoreceptor degeneration. However, the degree of degeneration varied between different parts of the same retina and between retinae of different animals. In two of three animals, a complete loss of ERG potentials was observed. Negative effects on the contralateral eye or on general welfare of the animal were never observed. CONCLUSIONS: In rabbits, the intravitreal injection of 3 mg/kg BW MNU leads to selective but inhomogeneous photoreceptor degeneration. PMID- 27866332 TI - Decreased proteinase A excretion by strengthening its vacuolar sorting and weakening its constitutive secretion in Saccharomyces cerevisiae. AB - Proteinase A (PrA), encoded by PEP4 gene, is detrimental to beer foam stability. There are two transport pathways for the new synthesized PrA in yeast, sorting to the vacuole normally, or excreting out of the cells under stress conditions. They were designated as the Golgi-to-vacuole pathway and the constitutive secretory pathway, respectively. To reduce PrA excretion in some new way instead of its coding gene deletion, which had a negative effect on cell metabolism and beer fermentation, we modified the PrA transport based on these above two pathways. In the Golgi-to-vacuole pathway, after the verification that Vps10p is the dominant sorting receptor for PrA Golgi-to-vacuolar transportation by VPS10 deletion, VPS10 was then overexpressed. Furthermore, SEC5, encoding exocyst complexes' central subunit (Sec5p) in the constitutive secretory pathway, was deleted. The results show that PrA activity in the broth fermented with WGV10 (VPS10 overexpressing strain) and W?SEC5 (SEC5 deletion strain) was lowered by 76.96 and 32.39%, compared with the parental strain W303-1A, at the end of main fermentation. There are negligible changes in fermentation performance between W?SEC5 and W303-1A, whereas, surprisingly, WGV10 had a significantly improved fermentation performance compared with W303-1A. WGV10 has an increased growth rate, resulting in higher biomass and faster fermentation speed; finally, wort fermentation is performed thoroughly. The results show that the biomass production of WGV10 is always higher than that of W?SEC5 and W303-1A at all stages of fermentation, and that ethanol production of WGV10 is 1.41-fold higher than that of W303-1A. Obviously, VPS10 overexpression is beneficial for yeast and is a more promising method for reduction of PrA excretion. PMID- 27866333 TI - Strain engineering and process optimization for enhancing the production of a thermostable steryl glucosidase in Escherichia coli. AB - Biodiesels produced from transesterification of vegetable oils have a major problem in quality due to the presence of precipitates, which are mostly composed of steryl glucosides (SGs). We have recently described an enzymatic method for the efficient removal of SGs from biodiesel, based on the activity of a thermostable beta-glycosidase from Thermococcus litoralis. In the present work, we describe the development of an Escherichia coli-based expression system and a high cell density fermentation process. Strain and process engineering include the assessment of different promoters to drive the expression of a codon optimized gene, the co-expression of molecular chaperones and the development of a high cell density fermentation process. A 200-fold increase in the production titers was achieved, which directly impacts on the costs of the industrial process for treating biodiesel. PMID- 27866334 TI - Growth and wax ester production of an Acinetobacter baylyi ADP1 mutant deficient in exopolysaccharide capsule synthesis. AB - Acinetobacter baylyi ADP1 naturally produces wax esters that could be used as a raw material in industrial applications. We attempted to improve wax ester yield of A. baylyi ADP1 by removing rmlA, a gene involved in exopolysaccharide production. Growth rate, biomass formation and wax ester yield on 4 hydroxybenzoate were not affected, but the rmlA - strain grew slower on acetate, while reaching similar biomass and wax ester yield. The rmlA - cells had malformed shape and large size and grew poorly on glucose without expression of the gene for pyruvate kinase (pykF) from Escherichia coli. The pykF-expressing rmlA - strain had similar growth rate, lowered biomass formation and improved wax ester production on glucose as compared to the wild-type strain expressing pykF. Cultivation of the pykF-expressing rmlA - strain on an elevated glucose concentration in a medium supplemented with amino acids resulted in doubled molar wax ester yield and acetate production. PMID- 27866336 TI - The role of clinical pharmacists in treatment adherence: fast impact in suppression of chronic myeloid leukemia development and symptoms. AB - PURPOSE: Chronic myeloid leukemia (CML) is a clonal myeloproliferative disease, accounting for 15 to 20% of leukemias, with an incidence of one to two cases/100,000 inhabitants. In Brazil, the estimated incidence of leukemia is six cases/100,000 men and 4.28 cases/100,000 women. CML is characterized by the presence of the Philadelphia chromosome. At present, three types of tyrosine kinase inhibitors (TKI) are administered to treat CML patients in the Brazilian public national health system (NHS), called the Unified Health System (in Portuguese, "Sistema Unico de Saude", SUS). Such treatments are only effective if patients adhere to strict dosage regimens; protocol improvements that increase patient adherence to treatment would have economic and health benefits for overburdened health care systems. Here, pharmacist-monitored treatment is assessed. METHODS: In our study, we applied two questionnaires, one to assess the adherence to pharmacological treatment and another to assess the quality of life. All patients studied (n = 23) were diagnosed with CML at a local hospital in "Espirito Santo" State, the "Hospital Evangelico Vila Velha" (HEVV). RESULTS: Treatment adherence was significantly higher in pharmacist-monitored patients than in nonmonitored patients (p = 0.0135). The quality of life of CML patients was also analyzed, indicating that monitored patients had a lower number of symptoms/complaints during treatment periods than nonmonitored patients. Finally, improved treatment adherence also translated into better clinical conditions, particularly during the early stage of treatment (e.g., the first 4 months). CONCLUSIONS: The intervention of a clinical pharmacist is significant to obtain positive clinical results. Therefore, it is recommended that this protocol be included in the standard NHS treatment protocol CML patient outcomes to reduce the indirect and recurring costs to the health care system caused by nonadherence. PMID- 27866338 TI - Reflections on Serving Remote Mountain Communities: Mobile Hospitals and Women's and Children's Health Care in Northern Haiti. AB - In 2003 Alyans Sante Borgne's (ASB) conducted the first week-long mobile hospital in Molas, a poor mountain community a 10-h walk from the main hospital in the town of Borgne in North Haiti. ASB is a partnership between Haiti Outreach-Pwoje Espwa (H.O.P.E.), a US-based NGO, and Haiti's Ministry of Health. The paper reflects on this first experience and the evolution of an indigenous model of health care delivery, Sante Nan Lakou (SNL)/Health at the Extended Family Level, a model that prioritizes the needs of patients over those of the institution. It highlights the challenges of providing quality care to a much neglected segment of our population and documents the impact of this event for the community and for ASB. Lessons learned during that week shaped ASB's response to the root causes of women and children's poor health in the commune of Borgne. The response is articulated in a holistic grassroots program called Sante/Health, Edikasyon/Education, Ekonomi/Economy for Fanm/Women (SEE Fanm). SEE Fanm is a constellation of programs and initiatives that together brings quality care to women and seeks to empower them to take charge of their health and wellbeing and, by extension, that of their families and communities. PMID- 27866337 TI - Mental and physical health correlates among family caregivers of patients with newly-diagnosed incurable cancer: a hierarchical linear regression analysis. AB - PURPOSE: Caregiver, relational, and patient factors have been associated with the health of family members and friends providing care to patients with early-stage cancer. Little research has examined whether findings extend to family caregivers of patients with incurable cancer, who experience unique and substantial caregiving burdens. We examined correlates of mental and physical health among caregivers of patients with newly-diagnosed incurable lung or non-colorectal gastrointestinal cancer. METHODS: At baseline for a trial of early palliative care, caregivers of participating patients (N = 275) reported their mental and physical health (Medical Outcome Survey-Short Form-36); patients reported their quality of life (Functional Assessment of Cancer Therapy-General). Analyses used hierarchical linear regression with two-tailed significance tests. RESULTS: Caregivers' mental health was worse than the U.S. national population (M = 44.31, p < .001), yet their physical health was better (M = 56.20, p < .001). Hierarchical regression analyses testing caregiver, relational, and patient factors simultaneously revealed that younger (B = 0.31, p = .001), spousal caregivers (B = -8.70, p = .003), who cared for patients reporting low emotional well-being (B = 0.51, p = .01) reported worse mental health; older (B = -0.17, p = .01) caregivers with low educational attainment (B = 4.36, p < .001) who cared for patients reporting low social well-being (B = 0.35, p = .05) reported worse physical health. CONCLUSIONS: In this large sample of family caregivers of patients with incurable cancer, caregiver demographics, relational factors, and patient-specific factors were all related to caregiver mental health, while caregiver demographics were primarily associated with caregiver physical health. These findings help identify characteristics of family caregivers at highest risk of poor mental and physical health who may benefit from greater supportive care. PMID- 27866339 TI - Recurrent TP53 missense mutation in cancer patients of Arab descent. AB - Hereditary cancer comprises more than 10% of all breast cancer cases. Identification of germinal mutations enables the initiation of a preventive program that can include early detection or preventive treatment and may also have a major impact on cancer therapy. Several recurrent mutations were identified in the BRCA1/2 genes in Jewish populations however, in other ethnic groups in Israel, no recurrent mutations were identified to date. Our group established panel sequencing in cancer patients to identify recurrent, founder, and new mutations in the heterogeneous and diverse populations in Israel, We evaluated five breast cancer patients of Arab descent diagnosed with cancer before the age of 50 years and identified the previously described TP53 mutation, c.541C>T, R181C (rs587782596), in two women from unrelated Arab families. The two probands were diagnosed with breast cancer at a young age (27 and 34 years) and had significant family history spanning a wide range of tumors (breast cancer (BC), papillary thyroid cancer, glioblastoma multiform (GBM), colon cancer and leukemia). The R181C variant is expected to disrupt p53 at the ASPP2 binding domain but not the DNA binding domain and is defined by Clinvar as likely pathogenic and in HGMD as disease mutation. We further tested 85 unrelated Arab cancer patients and father of a BC carrier patient for TP53 c.541C>T using a real time polymerase chain reaction (RT-PCR) approach and identified four additional carriers, two with BC one with lung cancer, and the father of a BC carrier patient, diagnosed with GBM. Another carrier suffering from BC was identified using a Myriad panel, suggesting a recurrent mutation in this population with a frequency of 5/42 (11.9%) of our selected BC patients. We suggest testing Arab women with a breast cancer at a young age, Arab patients with multiple malignancies, or with suggestive family history for TP53 c.541C>T. PMID- 27866340 TI - The hereditary nature of small cell carcinoma of the ovary, hypercalcemic type: two new familial cases. AB - Small cell carcinoma of the ovary, hypercalcemic type, (SCCOHT) is the most common undifferentiated ovarian cancer in women aged under 40 years. SCCOHT is a monogenic disease, characterized by germline and somatic SMARCA4 mutations. Recent studies have stressed its morphological and clinical similarity to malignant rhabdoid tumours, which are usually caused by mutations in the related gene, SMARCB1. While familial tumours are rare, the incidence of germline mutations is relatively high, with up to 43% of SCCOHTs and 35% of rhabdoid tumours caused by germline mutations in SMARCA4 and SMARCB1, respectively. We report two new familial cases of SCCOHT. Affected members in both families and the associated tumours were found to carry SMARCA4 germline and somatic mutations, respectively, leading to loss of SMARCA4 protein expression in the tumours. Despite the rarity of familial SCCOHT, the high incidence of germline mutations is important to note, as without a family history of the disease, the hereditary nature of SCCOHT may be missed, especially if the mutation was inherited from the father or acquired de novo. The similarity between SCCOHT and rhabdoid tumours should be recognized, as infant carriers of SMARCA4 mutations may be at risk for these tumours in addition to SCCOHT. PMID- 27866341 TI - The role of the P2X7 receptor in murine cutaneous leishmaniasis: aspects of inflammation and parasite control. AB - Leishmania amazonensis is the etiological agent of diffuse cutaneous leishmaniasis. The immunopathology of leishmaniasis caused by L. amazonensis infection is dependent on the pathogenic role of effector CD4+ T cells. Purinergic signalling has been implicated in resistance to infection by different intracellular parasites. In this study, we evaluated the role of the P2X7 receptor in modulating the immune response and susceptibility to infection by L. amazonensis. We found that P2X7-deficient mice are more susceptible to L. amazonensis infection than wild-type (WT) mice. P2X7 deletion resulted in increased lesion size and parasite load. Our histological analysis showed an increase in cell infiltration in infected footpads of P2X7-deficient mice. Analysis of the cytokine profile in footpad homogenates showed increased levels of IFN-gamma and decreased TGF-beta production in P2X7-deficient mice, suggesting an exaggerated pro-inflammatory response. In addition, we observed that CD4+ and CD8+ T cells from infected P2X7-deficient mice exhibit a higher proliferative capacity than infected WT mice. These data suggest that P2X7 receptor plays a key role in parasite control by regulating T effector cells and inflammation during L. amazonensis infection. PMID- 27866342 TI - Phototoxicity and chronic toxicity of methyl paraben and 1,2-hexanediol in Daphnia magna. AB - Parabens are used as antimicrobial preservatives in consumer products. Exposure to methylparaben (MP) has been associated with adverse health outcomes, therefore, an alternative compound, 1,2-hexanediol (1,2-H), has been applied for cosmetics. In the present study, the phototoxicity of MP and 1,2-H, as well as the toxic effect caused by chronic exposure, were investigated using Daphnia magna. The 48 h acute toxicity tests with D. magna were conducted under indoor or ultraviolet (UV) light irradiation conditions, i.e., exposure to 4 h/d sunlight. Changes in the transcription of genes related to oxidative stress were determined in D. magna juveniles, to investigate the underlying mechanism of phototoxicity. The 21 d chronic toxicity tests of MP and 1,2-H were performed under indoor light irradiation. Exposure to MP under environmental level of UV light was more detrimental to D. magna. Transcripts of catalase and glutathione-S-transferase genes in D. magna was significantly increased by co-exposure to MP and UV light. After 21 d of chronic exposure to MP and 1,2-H, the reproduction no-observed effect concentrations for D. magna were 1 and >10 mg/L, respectively. The present study showed that exposure to UV could magnify the toxicity of MP on daphnids. Although acute and chronic toxicities of 1,2-H were generally lower than those of MP, its effects on other aquatic organisms should not be ignored. Further studies are needed to identify other mechanisms of MP phototoxicity. PMID- 27866343 TI - Maternal transfer of trace elements in the Atlantic horseshoe crab (Limulus polyphemus). AB - The maternal transfer of trace elements is a process by which offspring may accumulate trace elements from their maternal parent. Although maternal transfer has been assessed in many vertebrates, there is little understanding of this process in invertebrate species. This study investigated the maternal transfer of 13 trace elements (Ag, As, Cd, Co, Cr, Cu, Fe, Hg, Mn, Ni, Pb, Se, and Zn) in Atlantic horseshoe crab (Limulus polyphemus) eggs and compared concentrations to those in adult leg and gill tissue. For the majority of individuals, all trace elements were transferred, with the exception of Cr, from the female to the eggs. The greatest concentrations on average transferred to egg tissue were Zn (140 ug/g), Cu (47.8 ug/g), and Fe (38.6 ug/g) for essential elements and As (10.9 ug/g) and Ag (1.23 ug/g) for nonessential elements. For elements that were maternally transferred, correlation analyses were run to assess if the concentration in the eggs were similar to that of adult tissue that is completely internalized (leg) or a boundary to the external environment (gill). Positive correlations between egg and leg tissue were found for As, Hg, Se, Mn, Pb, and Ni. Mercury, Mn, Ni, and Se were the only elements correlated between egg and gill tissue. Although, many trace elements were in low concentration in the eggs, we speculate that the higher transfer of essential elements is related to their potential benefit during early development versus nonessential trace elements, which are known to be toxic. We conclude that maternal transfer as a source of trace elements to horseshoe crabs should not be overlooked and warrants further investigation. PMID- 27866344 TI - Development of a fast curing tissue adhesive for meniscus tear repair. AB - Isocyanate-terminated adhesive amphiphilic block copolymers are attractive materials to treat meniscus tears due to their tuneable mechanical properties and good adhesive characteristics. However, a drawback of this class of materials is their relatively long curing time. In this study, we evaluate the use of an amine cross-linker and addition of catalysts as two strategies to accelerate the curing rates of a recently developed biodegradable reactive isocyanate-terminated hyper branched adhesive block copolymer prepared from polyethylene glycol (PEG), trimethylene carbonate, citric acid and hexamethylene diisocyanate. The curing kinetics of the hyper-branched adhesive alone and in combination with different concentrations of spermidine solutions, and after addition of 2,2 dimorpholinodiethylether (DMDEE) or 1,4-diazabicyclo [2.2.2] octane (DABCO) were determined using FTIR. Additionally, lap-shear adhesion tests using all compositions at various time points were performed. The two most promising compositions of the fast curing adhesives were evaluated in a meniscus bucket handle lesion model and their performance was compared with that of fibrin glue. The results showed that addition of both spermidine and catalysts to the adhesive copolymer can accelerate the curing rate and that firm adhesion can already be achieved after 2 h. The adhesive strength to meniscus tissue of 3.2-3.7 N was considerably higher for the newly developed compositions than for fibrin glue (0.3 N). The proposed combination of an adhesive component and a cross-linking component or catalyst is a promising way to accelerate curing rates of isocyanate terminated tissue adhesives. PMID- 27866345 TI - Comparison of rabbit rib defect regeneration with and without graft. AB - Rib segment, as one of the most widely used autologous boneresources for bone repair, is commonly isolated with an empty left in the defect. Although defective rib repair is thought to be unnecessary traditionally, it's of vital importance actually to promote rib regeneration for patients with better postoperative recovery and higher life quality. Comparative investigations on rabbit rib bone regeneration with and without graft were reported in this article. A segmental defect was performed on the 8th rib of 4-month-old male New Zealand rabbits. The mineralized collagen bone graft (MC) was implanted into the defect and evaluated for up to 12 weeks. The rib bone repair was investigated by using X-ray at 4, 8 and 12 weeks and histological examinations at 12 weeks after surgery, which showed a higher bone remodeling activity in the groups with MC implantation in comparison with blank control group, especially at the early stage of remodeling. PMID- 27866346 TI - Comparing the effects of an acute bout of physical exercise with an acute bout of interactive mental and physical exercise on electrophysiology and executive functioning in younger and older adults. AB - BACKGROUND: Physical exercise has been shown to improve cognitive and neural functioning in older adults. AIMS AND METHODS: The current study compared the effects of an acute bout of physical exercise with a bout of interactive mental and physical exercise (i.e., "exergaming") on executive (Stroop) task performance and event-related potential (ERP) amplitudes in younger and older adults. RESULTS: Results revealed enhanced executive task performance in younger and older adults after exercise, with no differences in performance between exercise conditions. Stroop (RT) performance in older adults improved more than in younger adults from pre- to post-exercise. A significant increase in EEG amplitude from pre- to post-exercise was found at the Cz site from 320 to 700 ms post-stimulus for both younger and older adults, with older adults demonstrating a larger Stroop interference effect. While younger adults exhibited overall greater EEG amplitudes than older adults, they showed no differences between congruent and incongruent trials (i.e., minimal interference). Compared to peers with higher BMI (body mass index), older adults with lower BMI showed a greater reduction in Stroop interference effects from pre- to post-exercise. DISCUSSION AND CONCLUSIONS: The beneficial effects of an acute bout of physical exercise on cognitive and neural functioning in younger and older adults were confirmed, with no difference between standard exercise and exergaming. Findings suggest that BMI, sometimes used as a proxy for fitness level, may modulate benefits that older adults derive from an acute bout of exercise. Findings have implications for future research that seeks to investigate unique effects of exergaming when compared to standard physical exercise. PMID- 27866347 TI - Effect of low-intensity resistance training with heat stress on the HSP72, anabolic hormones, muscle size, and strength in elderly women. AB - BACKGROUND: Several recent studies have reported that heat stress stimulates the activation of heat shock protein 72 (HSP72), leading to an increase in muscle synthesis. Some studies suggested that low-intensity resistance training combined with heat stress could improve muscle size and strength. AIM: This study aimed to identify the effect of low-intensity resistance training with heat stress over 12 weeks on the HSP72, anabolic hormones, muscle size, and strength in elderly women. METHODS: The subjects were physically healthy women of 65-75 years, who were randomly assigned to one of three groups: a low-intensity resistance training with heating sheet group (HRT group, n = 8), a moderate-intensity resistance training (RT group, n = 6), and a heating sheet group (HEAT group, n = 7). Computed tomography scans, 1-repetition maximum (1RM), and blood samples were taken pre- and post-training. RESULTS: The HSP72 did not vary significantly between the different groups and times. The IGF-1 and 1RM had significantly increased in all three groups after the training (respectively, p < 0.05). Moreover, the cross-sectional area (CSA) of the quadriceps showed a significantly greater increase in the HRT group than in the HEAT group (p < 0.05). CONCLUSIONS: We found that low-intensity training with heat stress stimulated the anabolic hormones of elderly women, improving their muscle strength and hypertrophy. We believe that low-intensity training with heat stress is an effective way to prevent muscle atrophy and to improve muscle strength in elderly women. PMID- 27866348 TI - Attentional Differences in a Driving Hazard Perception Task in Adults with Autism Spectrum Disorders. AB - The current study explored attentional processing of social and non-social stimuli in ASD within the context of a driving hazard perception task. Participants watched videos of road scenes and detected hazards while their eye movements were recorded. Although individuals with ASD demonstrated relatively good detection of driving hazards, they were slower to orient to hazards. Greater attentional capture in the time preceding the hazards' onset was associated with lower verbal IQ. The findings suggest that individuals with ASD may distribute and direct their attention differently when identifying driving hazards. PMID- 27866349 TI - The Emergent Literacy Skills of Preschool Children with Autism Spectrum Disorder. AB - A high percentage of school-age students with autism spectrum disorder (ASD) have reading comprehension difficulties leading to academic disadvantage. These difficulties may be related to differences in children's emergent literacy development in the preschool years. In this study, we examined the relationship between emergent literacy skills, broader cognitive and language ability, autism severity, and home literacy environment factors in 57 preschoolers with ASD. The children showed strengths in code-related emergent literacy skills such as alphabet knowledge, but significant difficulties with meaning-related emergent literacy skills. There was a significant relationship between meaning-related skills, autism severity, general oral language skills, and nonverbal cognition. Identification of these meaning-related precursors will guide the targets for early intervention to help ensure reading success for students with ASD. PMID- 27866350 TI - Changes in Food Selectivity in Children with Autism Spectrum Disorder. AB - Food selectivity is a common problem in children with autism spectrum disorder (ASD) and has an adverse impact on nutrient adequacy and family mealtimes. Despite recent research in this area, few studies have addressed whether food selectivity present in children with ASD persists into adolescence. In this study, we assessed food selectivity in 18 children with ASD at two time points (mean age = 6.8 and 13.2 years), and examined changes in food selectivity. While food refusal improved overall, we did not observe an increase in food repertoire (number of unique foods eaten). These findings support the need for interventions early in childhood to increase variety and promote healthy eating among children with ASD. PMID- 27866352 TI - Friendship Satisfaction in Children with Autism Spectrum Disorder and Nominated Friends. AB - The current study examined the level of friendship satisfaction of children with autism spectrum disorder (ASD) and their nominated friends (with and without diagnosis of ASD). A total of 77 target children with ASD and friends from 49 nominated friendships participated in the study. Relatively high levels of friendship satisfaction were reported by both target children and their nominated friends with no overall difference between dyads involving typically developing friends and friends with ASD. Analysis at the individual dyad level showed a high level of agreement on the reported level of satisfaction across the target participants and their friends. Limitations and directions for future research are presented. PMID- 27866351 TI - Social Referencing Gaze Behavior During a Videogame Task: Eye Tracking Evidence from Children With and Without ASD. AB - The purpose of this study was to understand the social referencing behaviors of children with and without autism spectrum disorder (ASD) while visually attending to a videogame stimulus depicting both the face of the videogame player and the videogame play action. Videogames appear to offer a uniquely well-suited environment for the emergence of friendships, but it is not known if children with and without ASD attend to and play videogames similarly. Eyetracking technology was used to investigate visual attention of participants matched based on chronological age. Parametric and nonparametric statistical analyses were used and results indicated the groups did not differ on percentage of time spent visually attending to any of the areas of interest, with one possible exception. PMID- 27866353 TI - Nimesulide inhibits pathogenic fungi: PGE2-dependent mechanisms. AB - Certain non-steroidal anti-inflammatory drugs can inhibit fungal growth, fungal prostaglandin E2 production, and enzyme activation. This study aims to investigate the antifungal effect of nimesulide against pathogenic filamentous fungi and yeast. The experiments detailed below were also designed to investigate whether the action is dependent on E2 fungal prostaglandins. Our data showed that nimesulide exhibited potent antifungal activity, mainly against Trichophyton mentagrophytes (ATCC 9533) and Cryptococcus neoformans with MIC values of 2 and 62 MUg/mL, respectively. This drug was also able to inhibit the growth of clinic isolates of filamentous fungi, such as Aspergillus fumigatus, and dermatophytes, such as T. rubrum, T. mentagrophytes, Epidermophyton floccosum, Microsporum canis, and M. gypseum, with MIC values ranging from 112 to 770 MUg/mL. Our data also showed that the inhibition of fungal growth by nimesulide was mediated by a mechanism dependent on PGE2, which led to the inhibition of essential fungal enzymes. Thus, we concluded that nimesulide exerts a fungicidal effect against pathogenic filamentous fungi and yeast, involving the inhibition of fungal prostaglandins and fungal enzymes important to the fungal growth and colonization. PMID- 27866354 TI - Isolation and characterization of a novel glycosyl hydrolase family 74 (GH74) cellulase from the black goat rumen metagenomic library. AB - This study aimed to isolate and characterize a novel cellulolytic enzyme from black goat rumen by using a culture-independent approach. A metagenomic fosmid library was constructed from black goat rumen contents and screened for a novel cellulase. The KG37 gene encoding a protein of 858 amino acid residues (92.7 kDa) was isolated. The deduced protein contained a glycosyl hydrolase family 74 (GH74) domain and showed 77% sequence identity to two endo-1,4-beta-glucanases from Fibrobacter succinogenes. The novel GH74 cellulase gene was overexpressed in Escherichia coli, and its protein product was functionally characterized. The recombinant GH74 cellulase showed a broad substrate spectrum. The enzyme exhibited its optimum activity at pH 5.0 and temperature range of 20-50 degrees C. The enzyme was thermally stable at pH 5.0 and at a temperature of 20-40 degrees C. The novel GH74 cellulase can be practically exploited to convert lignocellulosic biomass to value-added products in various industrial applications in future. PMID- 27866356 TI - Effect of Feeding and Withdrawal of Vanadium and Vitamin C on Egg Quality and Vanadium Residual Over Time in Laying Hens. AB - This experiment examined the egg quality of hens fed vanadium (V) and vitamin C (VC) during storage, as well as the V and VC withdrawal on egg quality and V residual in egg. A total of 360 laying hens (31 weeks old) were randomly allotted into a 3 * 2 factorial arrangement treatments (6 replicates and 10 chicks per replicate) with three levels of dietary V (0, 5, and 10 mg/kg) and two levels of VC (0 and 100 mg/kg) for 19 weeks (feeding V and VC 12 weeks, recovery 7 weeks). The V residual in eggs at 4, 8, and 12th weeks were increased (linear effect, P <= 0.01) as V levels increased and was not detected in albumen at 7th week after V withdrawal. Followed by 12-week feeding period, albumen height and Haugh unit of eggs during 2-week storage were decreased (linear and quadratic effect, P < 0.01) by dietary V supplementation. Lightness value was increased (linear effect, P < 0.01), whereas redness and yellowness value of the eggshell were lowered (linear effect, P < 0.01) in V-containing diet. During 7-week withdrawal period, eggs from groups pre-feeding 5 and 10 mg/kg V had lower (linear effect, P < 0.01) overall albumen height and Haugh unit. The reducing effect on albumen height and HU continued to be observed until the seventh week, whereas the bleaching effect on eggshell color disappeared after 1-week withdrawal. The results indicated that feeding 5 or 10 mg/kg V increases egg V residual and reduces egg albumen quality and bleached the shell color, and the impaired albumen quality induced by 10 mg/kg of V lasted at least 6 weeks after changing to no V supplementation diet. The addition of VC did not show to affect egg quality during storage or recovery phase. PMID- 27866357 TI - An Optimal Dietary Zinc Level of Brown-Egg Laying Hens Fed a Corn-Soybean Meal Diet. AB - An experiment was conducted to estimate the optimal dietary zinc (Zn) level of brown-egg laying hens fed a corn-soybean meal diet from 20 to 40 weeks of age. A total of 120 20-week-old Beijing Red commercial laying hens were randomly allotted by bodyweight to one of five treatments with six replicates of four birds each in a completely randomized design, and fed a Zn-unsupplemented corn soybean meal basal diet containing 27.95 mg Zn/kg by analysis and the basal diets supplemented with 30, 60, 90, or 120 mg Zn/kg as Zn sulfate (reagent grade ZnSO4.7H2O) for a duration of 20 weeks. Laying performance, egg quality, tissue Zn concentrations, and activities of serum alkaline phosphatase (AKP), and liver copper-Zn superoxide dismutase (CuZnSOD) were measured. Regression analyses were performed to estimate an optimal dietary Zn level whenever a significant quadratic response (P < 0.05) was observed. Tibia Zn concentration (P = 0.002) and serum AKP activity (P = 0.010) showed significant quadratic responses to dietary supplemental Zn levels. The estimates of dietary Zn requirements for brown-egg laying hens from 20 to 40 weeks of age were 71.95 and 64.63 mg/kg for tibia Zn concentration and serum AKP activity, respectively. The results from this study indicate that the tibia Zn might be a more suitable and reliable parameter for Zn requirement estimation, and the optimal dietary Zn level would be about 72 mg/kg for brown-egg laying hens fed a corn-soybean meal diet from 20 to 40 weeks of age. PMID- 27866358 TI - Anemia and Dental Caries in Pregnant Women: a Prospective Cohort Study. AB - The objective was to evaluate the effect of anemia during pregnancy on the risk of dental caries development in pregnant women. A prospective cohort including a sample of pregnant women in a prenatal care unit of Sao Luis, Brazil, was done. The incidence of dental caries during pregnancy, according to Nyvad's criteria, was the outcome. The main independent variables were serum iron, ferritin, hemoglobin, erythrocyte, hematocrit, mean corpuscular volume (MCV), mean corpuscular hemoglobin (MCH), mean corpuscular hemoglobin concentration (MCHC), and red cell distribution width (RDW). Pregnant women (n = 121) were evaluated at two moments: up to 16th week of gestational age (T1) and in the last trimester of pregnancy (T2). Crude and adjusted associations were estimated by the incidence ratio risk (IRR) and respective 95% confidence intervals (95%CI). After adjustment, higher serum concentrations of ferritin (IRR = 0.97, 95%CI 0.95-0.99) in T1, and Fe (IRR = 0.99, 95%CI 0.98-0.99), ferritin (IRR = 0.99, 95%CI 0.98 0.99), erythrocyte (IRR = 0.71, 95%CI 0.50-0.99), hemoglobin (IRR = 0.84, 95%CI 0.73-0.96), hematocrit (IRR = 0.93, 95%CI 0.88-0.98), MCV (IRR = 0.91, 95%CI 0.86 0.96), and MCH (IRR = 0.83, 95%CI 0.74-0.93) in T2, were associated with fewer incidence of dental caries in pregnant women. Iron deficiency anemia during pregnancy is a risk factor for the incidence of dental caries in these women. PMID- 27866359 TI - Evaluation of coarse and fine particles in diverse Indian environments. AB - The estimates of airborne fine particle (PM2.5) concentrations are possible through rigorous empirical correlations based on the monitored PM10 data. However, such correlations change depending on the nature of sources in diverse ambient environments and, therefore, have to be environment specific. Studies presenting such correlations are limited but needed, especially for those areas, where PM2.5 is not routinely monitored. Moreover, there are a number of studies focusing on urban environments but very limited for coal mines and coastal areas. The aim of this study is to comprehensively analyze the concentrations of both PM10 and PM2.5 and develop empirical correlations between them. Data from 26 different sites spread over three distinct environments, which are a relatively clean coastal area, two coal mining areas, and a highly urbanized area in Delhi were used for the study. Distributions of PM in the 0.43-10-MUm size range were measured using eight-stage cascade impactors. Regression analysis was used to estimate the percentage of PM2.5 in PM10 across distinct environments for source identification. Relatively low percentage of PM2.5 concentrations (21, 28, and 32%) in PM10 were found in clean coastal and two mining areas, respectively. Percentage of PM2.5 concentrations in PM10 in the highly urbanized area of Delhi was 51%, indicating a presence of a much higher percentage of fine particles due to vehicular combustion in Delhi. The findings of this work are important in estimating concentrations of much harmful fine particles from coarse particles across distinct environments. The results are also useful in source identification of particulates as differences in the percentage of PM2.5 concentrations in PM10 can be attributed to characteristics of sources in the diverse ambient environments. PMID- 27866355 TI - The descriptive epidemiology of DSM-IV Adult ADHD in the World Health Organization World Mental Health Surveys. AB - We previously reported on the cross-national epidemiology of ADHD from the first 10 countries in the WHO World Mental Health (WMH) Surveys. The current report expands those previous findings to the 20 nationally or regionally representative WMH surveys that have now collected data on adult ADHD. The Composite International Diagnostic Interview (CIDI) was administered to 26,744 respondents in these surveys in high-, upper-middle-, and low-/lower-middle-income countries (68.5% mean response rate). Current DSM-IV/CIDI adult ADHD prevalence averaged 2.8% across surveys and was higher in high (3.6%)- and upper-middle (3.0%)- than low-/lower-middle (1.4%)-income countries. Conditional prevalence of current ADHD averaged 57.0% among childhood cases and 41.1% among childhood subthreshold cases. Adult ADHD was significantly related to being male, previously married, and low education. Adult ADHD was highly comorbid with DSM-IV/CIDI anxiety, mood, behavior, and substance disorders and significantly associated with role impairments (days out of role, impaired cognition, and social interactions) when controlling for comorbidities. Treatment seeking was low in all countries and targeted largely to comorbid conditions rather than to ADHD. These results show that adult ADHD is prevalent, seriously impairing, and highly comorbid but vastly under-recognized and undertreated across countries and cultures. PMID- 27866360 TI - Effect of the edaphic factors and metal content in soil on the diversity of Trichoderma spp. AB - Influence of edaphic factors and metal content on diversity of Trichoderma species at 14 different soil sampling locations, on two depths, was examined. Forty-one Trichoderma isolates from 14 sampling sites were determined as nine species based on their internal transcribed spacer (ITS) sequences. Our results indicate that weakly alkaline soils are rich sources of Trichoderma strains. Also, higher contents of available K and P are connected with higher Trichoderma diversity. Increased metal content in soil was not inhibiting factor for Trichoderma species occurrence. Relationship between these factors was confirmed by locally weighted sequential smoothing (LOESS) nonparametric smoothing analysis. Trichoderma strain (Szeged Microbiology Collection (SZMC) 22669) from soil with concentrations of Cr and Ni above remediation values should be tested for its potential for bioremediation of these metals in polluted soils. PMID- 27866361 TI - Hydrogeochemical characterization of the thermal springs in northeastern of Los Cabos Block, Baja California Sur, Mexico. AB - The existence of hot springs in the northeastern part of Los Cabos Baja California Sur (BCS), is known from pre-Hispanic times, but their hydrochemical composition had not been previously described. Several springs are located within the watershed of Santiago, and the objective of this study was to define the hydrogeochemical composition of the thermal springs and to characterize the geothermal reservoir. A total of 16 water samples were taken in 11 geothermal manifestations under dry (June 2014) and humid (March 2015) conditions. A geothermal system of low enthalpy and low mineralization was found along the San Jose del Cabo Fault (FSJC), with an average salinity (TDS) of 261 mg/L and an alkaline pH (8.5-9.5). The hydrogeochemical composition corresponds to the sodium bicarbonate type, and geothermometers (silica and Na-K) indicate temperatures ranging from 70 to 115 degrees C for the deep thermal reservoir in conditions of equilibrium. The thermal springs with these hydrogeochemical characteristics differ in respect to the hydrochemical composition of the springs, formally described on several sites of BCS. Br/Cl and B/Cl ratios as well as the enrichment factor (EF) indicate that rainwater with a seawater component represents the source of the thermal spring water. In the springs, a mixture between thermal water and surface water is observed, combined with a relatively deep water circulation, allowing a calcium-sodium exchange, according to the host rock geochemistry. The higher temperatures found at some hot springs are related to the main trace of the San Jose del Cabo Fault. PMID- 27866362 TI - Proteomic response of oat leaves to long-term salinity stress. AB - Salinity adversely affects plant growth and production. Oat is a moderately salt tolerant crop and can contribute to improving saline soil. The physiological and molecular responses of the oat plant to long-term salinity were studied. After a 16-day salt treatment (150 mmol L-1NaCl in Hoagland's solution), photosynthetic rate, maximum photosystem II photochemical efficiency, and actual efficiency of photosystem II decreased. The activities of superoxide dismutase, peroxidase, and catalase significantly increased. We also investigated the protein profiles of oat leaves in response to salinity and detected 30 reproducible protein spots by two-dimensional gel electrophoresis that were differentially abundant. Specifically, one protein was up-regulated and 29 proteins were down-regulated compared with the control. These 29 proteins were identified using MALDI-TOF mass spectrometry, and 19 corresponding genes were further investigated by quantitative real-time PCR. These proteins were involved in four types of biological processes: photosynthesis, carbohydrate metabolism and energy, protein biosynthesis, and folding and detoxification. This study indicates that the lower levels of Calvin cycle-related proteins, 50S ribosomal protein L10 and adenosine triphosphate regulation-related proteins, and the high levels of antioxidant enzymes play important roles in the response of oat to long-term salinity stress. PMID- 27866364 TI - Integrative health risk assessment of air pollution in the northwest of Spain. AB - Levels, origins and potential risks due to different air pollutants (ozone, SO2 and particle-borne metals) in NW Spain were investigated in eight locations affected by different emission sources. All monitored locations suffered the influence of traffic and industrial emissions, being this influence more important in urban locations. Although average values of the estimated hazard index (HI) due to particle-borne metals showed values lower than one, maximum values of this parameter exceeded this safety limit in urban locations. In general, Ni and As were identified as those metals most contributing to the HI. Furthermore, the presence of industrial emission episodes produced a significant increase in the magnitude of the HI in two of the seven urban areas. Therefore, the frequency and intensity of these episodes should be further investigated. Finally, levels of airborne and particle-borne pollutants were integrated with the aim of providing a comprehensive assessment of health risk. According to an established indexing system, air quality can be classified from good to moderate, being the southern urban locations (the most densely populated and industrialised ones) presenting the worst values. However, either the high or the low influence of acute and chronic-effect pollutants on air quality depends on the location. PMID- 27866363 TI - Comparative of Quercus spp. and Salix spp. for phytoremediation of Pb/Zn mine tailings. AB - A pot experiment was conducted to evaluate the feasibility of using tree seedlings for the phytoremediation of lead/zinc (Pb/Zn) mine tailings. Seedlings of three Quercus spp. (Q. shumardii, Q. phellos, and Q. virginiana) and rooted cuttings of two Salix spp. (S. matsudana and S. integra) were transplanted into pots containing 50 and 100 % Pb/Zn mine tailings to evaluate their tolerance of heavy metals. The five species showed different tolerance levels to the Pb/Zn tailings treatments. Q. virginiana was highly tolerant to heavy metals and grew normally in the Pb/Zn tailings. The root systems showed marked differences between the Quercus spp. and Salix spp., indicating that different mechanisms operated to confer tolerance of heavy metals. The maximum efficiency of photosystem II photochemistry value of the five species showed no differences among the treatments, except for Q. shumardii. All species showed low metal translocation factors (TFs). However, S. integra had significantly higher TF values for Zn (1.42-2.18) and cadmium (1.03-1.45) than did the other species. In this respect, Q. virginiana showed the highest tolerance and a low TF, implying that it is a candidate for phytostabilization of mine tailings in southern China. S. integra may be useful for phytoextraction of tailings in temperate regions. PMID- 27866366 TI - A qualitative study of patients' perceptions of the value of molecular diagnosis for familial hypercholesterolemia (FH). AB - For many years, familial hypercholesterolemia (FH), an inherited disorder, has been diagnosed using phenotypic features plus family history of early onset cardiovascular disease (CVD), and has been successfully treated using statin therapy. DNA testing is now available and this has been incorporated into familial cascade screening programmes in many parts of Europe. Little is known about patients' perceptions of the value of undergoing molecular diagnosis for FH. In-depth interviews were carried out with patients (n = 38) being treated for FH who were the first in their family to undergo DNA testing for FH. Data were analysed thematically. While interviewees regarded DNA testing as an unexceptional event, it was seen as a positive innovation because it confirmed that their family carried a particular disorder, offered an aetiological explanation for their hypercholesterolemia and provided information about their own and family members' future risks. From the patient perspective, the main benefit of molecular diagnosis lies in its ability to provide information which allows (younger) family members to access genetic screening and, thus, timely treatment. The implications for future developments in genetic services and the need to investigate further the provision of molecular testing in mainstream specialties are briefly discussed. PMID- 27866365 TI - Periodontal status in crack and cocaine addicted men: a cross-sectional study. AB - This cross-sectional study evaluated the association between crack/cocaine addiction and periodontal disease in men. Periodontal examination (probing depth, clinical attachment level, bleeding on probing, and plaque index) and interviews were performed in 160 patients (>=18 years) from the Federal University of Bahia. Crack and cocaine dependence was defined according to the medical records and interviews of each patient; all drug addicted volunteers used both crack and cocaine. T test, Chi-square test, and logistic regression were used to assess the associations between destructive periodontal disease and crack/cocaine dependence (p <= 0.05). Probing depth was significantly greater in crack/cocaine addicted individuals (2.84 +/- 0.76 mm) compared with non-addicted individuals (2.55 +/- 0.73 mm, p = 0.04). After adjusting for covariates, periodontitis was not significantly associated with crack/cocaine addiction (OR = 2.31, 95 % CI = 0.82 6.46, p = 0.11), which was only associated with age >=35 years (OR = 4.16, 95 % CI = 1.65-10.50, p = 0.003) and higher dental plaque index (OR = 6.46, 95 % CI = 1.95-21.42, p = 0.002). In conclusion, although probing depth was greater in crack/cocaine addicted individuals, destructive periodontal disease was not associated with crack and cocaine addiction in the present population. Destructive periodontal disease was associated with age and dental plaque. Further studies in a larger sample size are required to confirm the results. PMID- 27866367 TI - Risk for latent and active tuberculosis in Germany. AB - PURPOSE: Few individuals that are latently infected with M. tuberculosis latent tuberculosis infection(LTBI) progress to active disease. We investigated risk factors for LTBI and active pulmonary tuberculosis (PTB) in Germany. METHODS: Healthy household contacts (HHCs), health care workers (HCWs) exposed to M. tuberculosis and PTB patients were recruited at 18 German centres. Interferon gamma release assay (IGRA) testing was performed. LTBI risk factors were evaluated by comparing IGRA-positive with IGRA-negative contacts. Risk factors for tuberculosis were evaluated by comparing PTB patients with HHCs. RESULTS: From 2008-2014, 603 HHCs, 295 HCWs and 856 PTBs were recruited. LTBI was found in 34.5% of HHCs and in 38.9% of HCWs. In HCWs, care for coughing patients (p = 0.02) and longstanding nursing occupation (p = 0.04) were associated with LTBI. In HHCs, predictors for LTBI were a diseased partner (odds ratio 4.39), sexual contact to a diseased partner and substance dependency (all p < 0.001). PTB was associated with male sex, low body weight (p < 0.0001), alcoholism (15.0 vs 5.9%; p < 0.0001), glucocorticoid therapy (7.2 vs 2.0%; p = 0.004) and diabetes (7.8 vs. 4.0%; p = 0.04). No contact developed active tuberculosis within 2 years follow-up. CONCLUSIONS: Positive IGRA responses are frequent among exposed HHCs and HCWs in Germany and are poor predictors for the development of active tuberculosis. PMID- 27866368 TI - Does serum procalcitonin aid in the diagnosis of bloodstream infection regardless of whether patients exhibit the systemic inflammatory response syndrome? AB - BACKGROUND: Physicians frequently rely on the systemic inflammatory response syndrome (SIRS) criteria to detect bloodstream infections (BSIs). We evaluated the diagnostic performance of procalcitonin (PCT) in detecting BSI in patients with and without SIRS. METHODS: We tested the association between BSI, serum PCT levels, contemporaneous SIRS scores and serum lactate using logistic regression in a dataset of 4279 patients. The diagnostic performance of these variables was assessed. RESULTS: In multivariate regression analysis, only log(PCT) was independently associated with BSI (p < 0.05). The mean area under the curve (AUC) of PCT in detecting BSI (0.683; 95% CI 0.65-0.71) was significantly higher than serum lactate (0.615; 95% CI 0.58-0.64) and the SIRS score (0.562; 95% CI 0.53 0.58). The AUC of PCT did not differ significantly by SIRS status. PCT of less than 0.1 ng/mL had a negative predictive value (NPV) of 97.4 and NPV of 96.2% for BSI in the SIRS-negative and SIRS-positive patients, respectively. A PCT of greater than 10 ng/mL had a LR of 6.22 for BSI in SIRS-negative patients. The probability of BSI increased exponentially with rising PCT levels regardless of SIRS status. CONCLUSION: The performance of PCT for the diagnosis of BSI was not affected by SIRS status. Only PCT was independently associated with BSI, while the SIRS criterion and serum lactate were not. A low PCT value may be used to identify patients at a low risk for having BSI in both settings. An elevated PCT value even in a SIRS negative patient should prompt a careful search for BSI. PMID- 27866369 TI - Fate of deoxynivalenol and deoxynivalenol-3-glucoside during cereal-based thermal food processing: a review study. AB - Deoxynivalenol (DON), the most commonly occurring trichothecene in nature, may affect animal and human health through causing diarrhea, vomiting, gastrointestinal inflammation, and immunomodulation. DON-3-glucoside (DON-3G) as a major plant metabolite of the mycotoxin is another "emerging" food safety issue in recent years. Humans may experience potential health risks by consuming DON contaminated food products. Thus, it is crucial for human and animal health to study also the degradation of DON and DON-3G during thermal food processing. Baking, boiling, steaming, frying, and extrusion cooking are commonly used during thermal food processing and have promising effects on the reduction of mycotoxins in food. For DON, however, the observed effects of these methods, as reported in numerous studies, are ambiguous and do not present a clear picture with regard to reduction or transformation. This review summarized the influence of thermal processing on the stability of DON and the formation of degradation/conversion products. Besides this, also a release of DON and DON-3G from food matrix as well as the release of DON from DON-3G during processing is discussed. In addition, some conflicting findings as reported from the studies on thermal processing as well as cause-effect relationships of the different thermal procedures are explored. Finally, the potential toxic profiles of DON degradation products are discussed as well when data are available. PMID- 27866371 TI - Sparse multidimensional iterative lineshape-enhanced (SMILE) reconstruction of both non-uniformly sampled and conventional NMR data. AB - Implementation of a new algorithm, SMILE, is described for reconstruction of non uniformly sampled two-, three- and four-dimensional NMR data, which takes advantage of the known phases of the NMR spectrum and the exponential decay of underlying time domain signals. The method is very robust with respect to the chosen sampling protocol and, in its default mode, also extends the truncated time domain signals by a modest amount of non-sampled zeros. SMILE can likewise be used to extend conventional uniformly sampled data, as an effective multidimensional alternative to linear prediction. The program is provided as a plug-in to the widely used NMRPipe software suite, and can be used with default parameters for mainstream application, or with user control over the iterative process to possibly further improve reconstruction quality and to lower the demand on computational resources. For large data sets, the method is robust and demonstrated for sparsities down to ca 1%, and final all-real spectral sizes as large as 300 Gb. Comparison between fully sampled, conventionally processed spectra and randomly selected NUS subsets of this data shows that the reconstruction quality approaches the theoretical limit in terms of peak position fidelity and intensity. SMILE essentially removes the noise-like appearance associated with the point-spread function of signals that are a default of five fold above the noise level, but impacts the actual thermal noise in the NMR spectra only minimally. Therefore, the appearance and interpretation of SMILE reconstructed spectra is very similar to that of fully sampled spectra generated by Fourier transformation. PMID- 27866370 TI - Perspective: revisiting the field dependence of TROSY sensitivity. AB - The discovery of the TROSY effect (Pervushin et al. in Proc Natl Acad Sci USA 94:12366-12371, 1997) for reducing transverse relaxation and line sharpening through selecting pathways in which dipole-dipole and CSA Hamiltonians partially cancel each other had a tremendous impact on solution NMR studies of macromolecules. Together with the methyl TROSY (Tugarinov and Kay in J Biomol NMR 28:165-172, 2004) it enabled structural and functional studies of significantly larger systems. The optimal field strengths for TROSY have been estimated to be on spectrometers operating around 900 MHz (21.14 T) for the 1HN TROSY (Pervushin et al. in Proc Natl Acad Sci USA 94:12366-12371, 1997) while the aromatic 13C (13Caro) TROSY is posited to be optimal at around 600 MHz (14.09 T) (Pervushin et al. in J Am Chem Soc 120:6394-6400, 1998b; Pervushin in Q Rev Biophys 33:161-197, 2000). The initial rational was based on the consideration of where the quadratic B0 field dependences of the TROSY relaxation rates reach a minimum. For sensitivity consideration, however, it is interesting to estimate which field strengths yield the tallest peaks. Recent studies of 15N-detected TROSYs suggested that maximal peak heights are expected at 1.15 GHz (27.01 T) although the slowest relaxation rates or longest transverse relaxation times T2 are indeed expected around 900 MHz (21.14 T) (Takeuchi in J Biomol NMR 63:323-331, 2015; Takeuchi et al. in J Biomol NMR 64:143-151, 2016). This was based on the fact that the heights of Lorentzian lines are proportional to B o3/2 * T2 (Bo). Thus, multiplying the parabolic T2(Bo) dependence with the increasing function of B o3/2 shifts the maxima of peak-height field dependence from the T2 maximum at 900 MHz to higher fields. Moreover, besides shifting the peak height maximum for 15N TROSY, this analysis yields estimates for optimal peak heights for 1HN detected TROSY to 1.5 GHz, and to 900 MHz for 13C-detected 13CaroTROSY as is detailed below. To our knowledge, this aspect of field dependence of TROSY sensitivity has not been in the attention of the NMR community but may affect perspectives of NMR at ultra-high fields. PMID- 27866372 TI - Input, behaviour and distribution of multiple elements in abiotic matrices along a transect within the Okavango Delta, northern Botswana. AB - Wetlands fed by rivers can be a sink for elements depending on elemental concentrations, wetland hydrology, geochemistry, vegetation and climate. In the case of the Okavango Delta, northern Botswana, the outflow discharge is a small fraction (2-5%) of the inflow. This has strong potential consequences for the Delta, as it strongly affects element cycling and storage within the Delta. We estimated the inputs, behaviour and distribution of multiple elements along a longitudinal transect within the Okavango Delta, to show potential effects of retention mechanisms of different elements. High annual element input is rather attributed to discharge than to the concentration within the water, which is generally extremely low. We observed minimal enrichment of the elements within the water pathway along the transect from inflow to outlets, implying that element output is negligible. For most elements, we observed a high correlation between storage and sediment organic matter content. The organic matter content within the sediments was higher in the vegetated sediments than in non-vegetated sediments (factor ~ 10), and a similar trend was found for most elements. In conclusion, organic matter dominated in sediments from vegetated plots and thus plays an important role in retaining the elements within the sediments of the Delta. This finding has major implications for e.g. planning constructed wetlands for water purification or element retention especially in areas with high evapotranspiration. PMID- 27866374 TI - Older men's experiences of accessing general practitioner services in rural areas. PMID- 27866375 TI - Pre-operative Assessment for Arteriovenous Fistula Placement for Dialysis. AB - Native AV fistulas are considered to be the best VA for most dialysis patients. A careful preoperative process of care is essential to maximize the proportion of fistulas that achieve adequacy for dialysis. An individualized and timely evaluation of patients starts early with the identification of risk factors, followed by a physical examination which should be complemented by ultrasound vascular mapping in most cases. Vascular mapping includes any technique that leads to information on patient's inflow and outflow anatomy (+/- hemodynamics) as they relate to arteriovenous access creation and may predict maturation. There is increasing evidence favoring the utilization of preoperative Doppler ultrasound which is recommended in all patients by NFK-KDOQI Guidelines. It allows noninvasive evaluation of both structural and functional aspects of vessels that play an important role in access maturation. Its major limitation is the relative inability to assess central vein patency. Although conventional venography is still the gold standard to evaluate central veins, it provides otherwise limited information and can incur serious adverse effects related to its invasive nature and contrast use. Alternatives to these two imaging techniques are rarely used, especially because of their higher costs and low availability. PMID- 27866373 TI - Involvement of GSK-3beta Phosphorylation Through PI3-K/Akt in Cerebral Ischemia Induced Neurogenesis in Rats. AB - Glycogen synthase kinase (GSK)-3beta, which is abundantly expressed in the central nervous system, regulates various cellular processes including gene expression, cell proliferation, and differentiation. However, involvement of GSK 3beta in cerebral ischemia-induced endogenous neurogenesis is not yet fully understood. Appropriate strategies to prevent ischemic cell damage and subsequent severe sequelae are needed. The purpose of the present study was to determine the relationship between pathophysiological alteration of the GSK-3beta signaling pathway and cerebral ischemia-induced endogenous neurogenesis in rats. Severe cerebral ischemia was produced by the injection of 700 microspheres into the right internal carotid artery of rats. We demonstrated that phosphorylation of GSK-3beta at its Ser9 and that of Akt was significantly enhanced on day 7 after the cerebral ischemia, as was the number of NeuroD-positive cells. Treatment with a phosphatidylinositol 3-kinase (PI3-K) inhibitor decreased the cerebral ischemia induced phosphorylation of Akt and that of GSK-3beta at its Ser9. In addition, as the protein levels of insulin-like growth factor-1 (IGF-1) and brain-derived neurotrophic factor (BDNF) were decreased, they might not have been essential for activation of the PI3-K/Akt/GSK-3beta pathway after severe cerebral ischemia. Although it remains to be determined what factors activate this pathway, our results suggest that PI3K/Akt-dependent GSK-3beta signaling and subsequent expression of NeuroD were involved in the neurogenesis elicited by cerebral ischemia. PMID- 27866376 TI - Reduction in Dietary Acrylamide Exposure-Impact of Potatoes with Low Acrylamide Potential. AB - Acrylamide forms primarily from a reaction between reducing sugars (e.g., glucose and fructose) and an amino acid (asparagine, Asn) formed naturally in foods, including potatoes. This reaction occurs when carbohydrate-rich foods are heated at temperatures above 120 degrees C. Multiple potato varieties were transformed with potato genomic DNA that results in down-regulation of the expression of the asparagine synthetase-1 gene (Asn1), significantly reducing synthesis of free Asn, and consequently lowering the potential to form acrylamide during cooking. These potatoes with low acrylamide potential (LAP) were tested in agronomic trials, and processed into French fries and potato chips. Decreased levels of acrylamide were measured in these cooked food products when derived from LAP potatoes compared with those derived from conventional potatoes. These reductions can be directly attributed to reduction in Asn levels in the LAP potatoes. The corresponding average reduction in exposure to acrylamide from French fry and potato chip consumption is estimated to be 65%, which would amount to approximately a 25% reduction in overall dietary exposure. Considering that children consume nearly three times more acrylamide than adults on a per kg body weight basis, they would experience the most impact from the reduced acrylamide associated with LAP potatoes. The potential public health impacts, in context of dietary acrylamide exposure reduction, are discussed in this study. PMID- 27866378 TI - Four-month-old infants individuate and track simple tools following functional demonstrations. AB - Two experiments examined whether 4-month-olds (n = 120) who were induced to assign two objects to different categories would then be able to take advantage of these contrastive categorical encodings to individuate and track the objects. In each experiment, infants first watched functional demonstrations of two tools, a masher and tongs (Experiment 1) or a marker and a knife (Experiment 2). Next, half the infants saw the two tools brought out alternately from behind a screen, which was then lowered to reveal only one of the tools (different-objects condition); the other infants saw similar events except that the same tool was shown on either side of the screen (same-object condition). In both experiments, infants in the different-objects condition looked reliably longer than those in the same-object condition, and this effect was eliminated if the demonstrations involved similar but non-functional actions. Together, these results indicate that infants (a) were led by the functional demonstrations they observed to assign the two tools to distinct categories, (b) recruited these categorical encodings to individuate and track the tools, and hence (c) detected a violation in the different-objects condition when the screen was lowered to reveal only one tool. Categorical information thus plays a privileged role in individuation and identity tracking from a very young age. PMID- 27866377 TI - Unusual cause of hypercalcaemia in end stage renal failure patients. AB - Immobility-induced hypercalcaemia is rarely considered in patients on dialysis and is a challenging diagnosis to make. This is especially so due to the lack of biomarkers as well as the notion that calcium metabolism is mostly related to chronic kidney disease-metabolic bone disorder due to the role of iPTH. We present two cases of our dialysis patients, who were clinically unwell from hypercalcemia. We were initially uncertain of the cause of hypercalcemia as despite our attempts to adjust treatment based on their biochemical findings, we were unable to correct the hypercalcemia. We did not have appropriate bone turnover markers to guide us and out of desperation, anti-resorptives-calcitonin and bisphosphonate were given with good clinical response. We concluded that the hypercalcemia was related to immobility-induced hypercalcemia and the inappropriately low iPTH was a red herring. Immobility-induced hypercalcaemia should be considered in patients with end stage renal failure on renal replacement therapy, especially in those with recent and significant immobility. In these patients, pamidronate can be considered should the hypercalcaemia persist. PMID- 27866380 TI - IMAGING DIAGNOSIS-ULTRASOUND UNCOMMON FEATURES OF AN ABDOMINAL GOSSYPIBOMA IN A DOG. AB - An abdominal mass was incidentally detected in a 12-year-old, neutered female, crossed breed dog. Abdominal ultrasonographic examination showed a well delineated, irregular, heterogeneous mass that did not generate any distal acoustic shadowing. Transcutaneous US-guided biopsy of the mass were nonconclusive but raised the possibility of neoplasia. Surgery discovered a mass embedded in the omentum and a large quantity of surgical sponges were identified in cut section. To the authors' knowledge, this represents the first published case of gossypiboma casting no characteristic distal acoustic shadowing. PMID- 27866381 TI - CARDIAC MAGNETIC RESONANCE IMAGING OF PATENT DUCTUS ARTERIOSUS IN THREE DOGS. AB - Patent ductus arteriosus (PDA) is the most common congenital cardiovascular disorder in dogs and requires an accurate diagnosis for an appropriate treatment. Cardiac MRI (cMRI) has been reported as a method for characterization of canine thoracic vasculature. However, to the authors' knowledge, no published studies describe evaluation of canine PDA through cMRI. Three dogs were selected for this exploratory study. Electrocardiogram gating and breath-hold techniques were performed using a 3T MR scanner. Both black blood imaging and bright blood cine acquisitions were performed. Quantification of stroke volume (SV) and shunting volume were calculated using a stack of short-axis cine images. Additional 4D (three-spatial dimensions plus time)-TRAK (time-resolved MR angiography with keyhole) sequences were conducted in patient 2 to verify other vasculature abnormality. Black blood images clearly depicted the course of the ductus from the descending aorta to the pulmonary artery in all three dogs. Morphological evaluation of PDA classified patients 1 and 2 as Type 2a and patient 3 as Type 1. Patient 2 was confirmed to have a concurrent persistent left cranial vena cava. Left ventricular SV, right ventricular SV, and left-to-right SV ratio were 12.4 ml, 3.36 ml, and 3.704, respectively, in patient 1; 6.85 ml, 1.22 ml, and 5.60 in the patient 2; and 3.67 ml, 2.14 ml, and 1.702 in patient 3. Findings indicated that cMRI is a feasible method for characterizing the morphology of PDA and extracardiac vasculature anomalies in dogs. PMID- 27866379 TI - Effects of oral exposure to the phthalate substitute acetyl tributyl citrate on female reproduction in mice. AB - Acetyl tributyl citrate (ATBC), is a phthalate substitute used in food and medical plastics, cosmetics and toys. Although systemically safe up to 1000 mg kg 1 day-1 , its ability to cause reproductive toxicity in females at levels below 50 mg kg-1 day-1 has not been examined. This study evaluated the effects of lower ATBC exposures on female reproduction using mice. Adult CD-1 females (n = 7 8 per treatment) were dosed orally with tocopherol-stripped corn oil (vehicle), 5 or 10 mg kg-1 day-1 ATBC daily for 15 days, and then bred with a proven breeder male. ATBC exposure did not alter body weights, estrous cyclicity, and gestational and litter parameters. Relative spleen weight was slightly increased in the 5 mg kg-1 day-1 group. ATBC at 10 mg kg-1 day-1 targeted ovarian follicles and decreased the number of primordial, primary and secondary follicles present in the ovary. These findings suggest that low levels of ATBC may be detrimental to ovarian function, thus, more information is needed to understand better the impact of ATBC on female reproduction. Copyright (c) 2016 John Wiley & Sons, Ltd. PMID- 27866382 TI - Immunotoxic effects of in vitro exposure of dolphin lymphocytes to Louisiana sweet crude oil and CorexitTM. AB - The Deepwater Horizon oil spill was one of the worst environmental disasters on record in the United States. Response efforts to reduce the magnitude of the oil slick included the use of thousands of gallons of the chemical dispersant CorexitTM in surface and deep-water environments. The immunotoxicity of Louisiana sweet crude oil and the chemical dispersant Corexit was examined using lymphocyte proliferation (LP) and natural killer cell (NK) assays as measures of impact on the adaptive (LP) and innate (NK) immune response in bottlenose dolphins. Study results show that both high-energy media-accommodated fractions (MAF) and chemically enhanced MAF (CEMAF) mixtures modulate immune function. Following exposure to Louisiana sweet crude, both B- and T-cell proliferation of white blood cells was increased for all exposure concentrations, compared to control; however, this increase was only significant for the 50% and 100% treatments. In contrast, exposure of white blood cells to the CEMAF mixture significantly decreased both T- and B-cell proliferation in the 25%, 50% and 100% treatments. NK cell activity was enhanced significantly by CEMAF mixtures for the 50% and 100% treatments. The immunosuppression of LP at environmentally relevant concentrations of oil and dispersant suggests that marine mammals may be unable to mount an adequate defense against xenobiotic threats following exposure to oil and dispersant, leaving them more susceptible to disease. In contrast, NK cell activity was significantly enhanced, which may increase an organism's tumor or viral surveillance ability by mounting an enhanced immune response. Copyright (c) 2016 John Wiley & Sons, Ltd. PMID- 27866383 TI - Perceptions of Peer Sexual Behavior: Do Adolescents Believe in a Sexual Double Standard? AB - BACKGROUND: The purpose of the study was to (1) examine attitudes of adolescents toward peer models having sex or choosing abstinence, and (2) determine whether a "double standard" in perception existed concerning adolescent abstinence and sexual behavior. METHODS: Adolescents (N = 173) completed questionnaires that included 1 of 6 randomly assigned vignettes that described male and female peer models 3 ways: (1) no information about model's sexual behavior, (2) model in love but choosing abstinence, and (3) model in love and having sex. Participants read the vignette to which they had been assigned and responded to statements about the peer model. Data were analyzed using multivariate analysis of variance. RESULTS: Results did not show evidence of a sexual double standard among male participants, but did show some evidence of a sexual double standard among female participants. Additionally, both male and female participants evaluated more harshly peer models that were having sex than peer models that chose abstinence. CONCLUSIONS: Findings provide insight concerning the lack of a sexual double standard among male participants, the existence, to some degree, of a sexual double standard among female participants, and demonstrate the existence of a social cost to both young men and young women for choosing to have sex. PMID- 27866384 TI - Schoolyard Characteristics, Physical Activity, and Sedentary Behavior: Combining GPS and Accelerometry. AB - BACKGROUND: Physical activity (PA) is decreasing among children, while sedentary behavior (SB) is increasing. Schoolyards seem suitable settings to influence children's PA behavior. This study investigated the associations between schoolyard characteristics and moderate-to-vigorous physical activity (MVPA) and SB of children aged 8-11 years at schoolyards. METHODS: Twenty primary schools in the Netherlands were involved. A total of 257 children wore an accelerometer and global positioning system (GPS) device for 5 consecutive days to objectively assess their PA levels and presence at the schoolyard, respectively. Accelerometer and GPS data were merged using the personal activity and location measurement system. Multilevel linear regression analyses were used to study correlates of MVPA and SB at schoolyards. RESULTS: On average, children spent 54 minutes a day at the schoolyard, 9 minutes of which were spent in MVPA and 20 minutes in SB. Boys engaged in MVPA longer than girls at the schoolyard. Fixed equipment, such as high bars and soccer goals, teacher-initiated activities, and the presence of a ball games policy were correlates of more MVPA and less SB. CONCLUSION: Well-designed schoolyards, including PA-enhancing fixed equipment, a supportive PA climate created by teachers, and supportive schoolyard policies may contribute to increased PA and decreased SB during school recess among school aged children. PMID- 27866386 TI - Hand Hygiene Program Decreases School Absenteeism Due to Upper Respiratory Infections. AB - BACKGROUND: We assessed the effectiveness of a handwashing program using hand sanitizer to prevent school absenteeism due to upper respiratory infections (URIs). METHODS: This was a randomized, controlled, and open study on a sample of 1341 children 4-12 years old, attending 5 state schools in Almeria (Spain), with an 8-month follow-up. The experimental group (EG) washed their hands with soap and water, together with using hand sanitizer, and the control group followed their usual handwashing procedures. Absenteeism rates due to URIs were compared between the 2 groups through a multivariate Poisson regression analysis. The percent of days missed in both groups were compared with a z test. RESULTS: Overall, 1271 cases of school absenteeism due to URIs were registered. Schoolchildren from the EG had a 38% lower risk of absenteeism due to URIs, incidence rate ratio: 0.62, 95% confidence interval: 0.55-0.70, and a decrease in absenteeism of 0.45 episodes/child/academic year, p < .001. Pupils missed 2734 school days due to URIs and the percentage of days absent was significantly lower in the EG, p < .001. CONCLUSIONS: Use of hand sanitizer plus handwashing with soap accompanied by educational support is an effective measure to reduce absenteeism due to URIs. PMID- 27866387 TI - School Context Matters: The Impacts of Concentrated Poverty and Racial Segregation on Childhood Obesity. AB - BACKGROUND: Schools are important sites for interventions to prevent childhood obesity. This study examines how variables measuring the socioeconomic and racial composition of schools and counties affect the likelihood of obesity among third to fifth grade children. METHODS: Body mass index data were collected from third to fifth grade public school students by teachers from 317 urban and rural North Carolina schools in 38 counties. Multilevel models are used to examine county-, school-, and individual-level effects. RESULTS: Low concentrations of poverty at the school level are associated with lower odds of obesity. Schools in rural counties had significantly higher rates of obesity, net the other variables in the model. Students in minority-segregated schools had higher rates of obesity than those in more racially diverse schools, but the effect was not statistically significant once school-level poverty was controlled. CONCLUSIONS: Place-based inequalities are important determinants of health inequalities. The results of this study show that school-level variables related to poverty are important for understanding and confronting childhood obesity. PMID- 27866385 TI - Effectiveness of Universal School-Based Mental Health Awareness Programs Among Youth in the United States: A Systematic Review. AB - BACKGROUND: Stigmatizing attitudes toward mental illness and low mental health literacy have been identified as links to social adversity, and barriers to seeking and adhering to treatment among adolescents suffering from mental illness. Prior research has found that it is possible to improve these outcomes using school-based mental health awareness interventions. The purpose of this study was to review empirical literature pertaining to universal mental health awareness interventions aiming to improve mental health related outcomes among students enrolled in US K-12 schools, especially minorities vulnerable to health disparities. METHODS: PsycINFO, Cochrane Library, PUBMED, and reference lists of relevant articles were searched for K-12 school-based mental health awareness interventions in the United States. Universal studies that measured knowledge, attitudes, and/or help-seeking pertinent to mental health were included. RESULTS: A total of 15 studies were selected to be part of the review. There were 7 pretest/post-test case series, 5 nonrandomized experimental trial, 1 Solomon 4 groups, and 2 randomized controlled trial (RCT) designs. Nine studies measuring knowledge, 8 studies measuring attitudes, and 4 studies measuring help-seeking, indicated statistically significant improvements. CONCLUSIONS: Although results of all studies indicated some level of improvement, more research on implementation of universal school-based mental health awareness programs is needed using RCT study designs, and long-term follow-up implementation. PMID- 27866388 TI - Increasing Prevalence of US Elementary School Gardens, but Disparities Reduce Opportunities for Disadvantaged Students. AB - BACKGROUND: We examined the prevalence of school garden programs at US public elementary schools. The study examined time trends, demographic and regional disparities, and associations with related programs such as farm-to-school. METHODS: Annual surveys were gathered from nationally representative samples of elementary schools between 2006-2007 and 2013-2014. Annual samples ranged from 553 to 748 schools. RESULTS: The prevalence of gardens increased steadily from 11.9% in 2006-2007 to 31.2% in 2013-2014 (p < .001). In multivariate logistic regressions the prevalence of garden programs varied significantly by school characteristics. Gardens were more prevalent in the west than in other regions. Gardens were less prevalent at schools serving higher proportions of lower-income students, and were more prevalent at urban schools than in suburbs, towns, or rural areas. Gardens were more common at schools with farm-to-school programs. Gardens also were associated with offering formal classroom-based nutrition education. CONCLUSIONS: Garden programs in elementary schools have increased over time, but there is room for wider implementation, particularly at schools serving lower-income students. Given the role of childhood in establishing food preferences and dietary consumption habits, such programs are important and can reinforce the messages imparted through nutrition education. PMID- 27866389 TI - Do Substance Use, Psychosocial Adjustment, and Sexual Experiences Vary for Dating Violence Victims Based on Type of Violent Relationships? AB - BACKGROUND: We examined whether substance use, psychosocial adjustment, and sexual experiences vary for teen dating violence victims by the type of violence in their relationships. We compared dating youth who reported no victimization in their relationships to those who reported being victims of intimate terrorism (dating violence involving one physically violent and controlling perpetrator) and those who reported experiencing situational couple violence (physical dating violence absent the dynamics of power and control). METHODS: This was a cross sectional survey of 3745 dating youth from 10 middle and high schools in the northeastern United States, one third of whom reported physical dating violence. RESULTS: In general, teens experiencing no dating violence reported less frequent substance use, higher psychosocial adjustment, and less sexual activity than victims of either intimate terrorism or situational couple violence. In addition, victims of intimate terrorism reported higher levels of depression, anxiety, and anger/hostility compared to situational couple violence victims; they also were more likely to report having sex, and earlier sexual initiation. CONCLUSIONS: Youth who experienced physical violence in their dating relationships, coupled with controlling behaviors from their partner/perpetrator, reported the most psychosocial adjustment issues and the earliest sexual activity. PMID- 27866390 TI - School-Based HIV/STD Testing Behaviors and Motivations Among Black and Hispanic Teen MSM: Results From a Formative Evaluation. AB - BACKGROUND: This evaluation explores experiences with, and motivations for, human immunodeficiency virus (HIV) and sexually transmitted disease (STD) testing among black and Hispanic school-aged young men who have sex with men (YMSM). METHODS: Participants were recruited at community-based organizations that serve YMSM in New York City, Philadelphia, and San Francisco. Eligible participants were 13- to 19-year-old black or Hispanic males who reported attraction to or sexual behavior with other males and/or identified as gay or bisexual, and attended at least 90 days of school in the previous 18 months. Participants (N = 415) completed web based questionnaires and/or in-depth interviews (N = 32). RESULTS: In the past year, 72.0% of questionnaire participants had been tested for HIV, 13.5% of them at school or school clinic. Participants reported that they would be more likely to get an HIV test if they could be tested close to or at school (34.4%), and 64.4% would use HIV testing if offered in schools. Most interview participants reported willingness to use school-based services if they were offered nonjudgmentally, privately, and confidentially by providers with experience serving YMSM. CONCLUSION: Schools can provide opportunities to make HIV and STD testing accessible to school-aged YMSM, but the services must be provided in ways that are comfortable to them. PMID- 27866392 TI - Drug-caused deaths in Australian medical practitioners and health-care professionals. AB - BACKGROUND AND AIMS: There are numerous factors putting health-care professionals (HCP) at a higher risk of substance abuse and premature death, including high stress jobs, access to controlled substances, long hours of practice and constant contact with the critically ill. This study aimed to examine fatal drug toxicity in this high-risk cohort, in order to: (1) estimate the rate of drug-caused deaths of Australian HCPs; (2) describe the key characteristics of the cohort; and (3) examine the relationship between HCP occupation and drug type, or intent. DESIGN: Retrospective cohort study. SETTING: The National Coronial Information System (NCIS), a database of cases reported to an Australian coroner. PARTICIPANTS: A total of 404 drug-caused deaths reported to an Australian coroner between 2003 and 2013 involving HCPs (including medical practitioners, paramedics, nurses, dentists, psychologists, pharmacists and veterinarians). MEASURES: chi2 tests and descriptive statistics were used to examine relationships. The primary outcome measures were drug type and intent. Covariates included occupation type, mental illness and self-harm. FINDINGS: Females comprised nearly two-thirds of the cohort. The highest number of cases involved nurses (62.87%) and medical practitioners (18.07%). The mortality rate was highest among the veterinary group [confidence interval (CI) = 42.21-58.79]. Most were intentional self-harm deaths (50.25%), followed by unintentional deaths (37.62%) (CI = 92.15-109.85). Mental illness was common, diagnosed in almost half of cases (46.04%), with the majority involving depression (CI = 33.48-44.12). Specific drugs were associated significantly with certain professions, such as intravenous barbiturates among veterinarians (chi2(7) = 237.391). A number of cases reported additional stressors, such as relationship, work-place or financial issues, and drugs were diverted from the work-place in nearly a fifth of cases. CONCLUSIONS: Between 2003 and 2013, Australian health-care professionals averaged 37 deaths per year attributed to drug toxicity, with a mortality rate of nearly five deaths per 1000 employed HCPs. Drug-caused deaths among HCPs in Australia commonly involve females in their mid-40s, with a diagnosis of mental illness, personal and professional stress and the intent to self-harm. PMID- 27866391 TI - Adolescent Healthcare Brokering: Prevalence, Experience, Impact, and Opportunities. AB - BACKGROUND: Limited health literacy disproportionately affects those with limited English proficiency (LEP). Parents with LEP might rely on their adolescent children to interpret health information. We call this adolescent healthcare brokering. This study uncovers the prevalence of brokering, kinds of tasks, emotional and academic impact, and desired support. METHODS: We invited 165 students from health classes (in a community in which 29.8% are foreign-born and 53.4% speak another language at home) to complete a survey. We used IBM SPSS to calculate descriptive statistics. RESULTS: Of the 159 who received parental consent and assented, 54.1% (N = 86) assist with healthcare tasks. When brokering, 80.2% (N = 69) translate. Most common tasks were talking to a doctor, reading prescriptions, and searching on the Internet. Participants were most confident reading prescriptions and talking to a doctor and least confident finding healthcare services. Among brokers, 29.1% (N = 24) missed school; 33.7% did not complete homework. They most wanted to learn about filling out insurance forms and talking to doctors. CONCLUSIONS: Despite assurances that children are not permitted to interpret, adolescents are acting as healthcare brokers. The impact can be academic and emotional. Findings indicate a need for further research and support for adolescents who want to learn about healthcare tasks. PMID- 27866393 TI - Potentially pathogenic circulating autoantibodies to cardiac troponin are present in hemodialysis patients. AB - INTRODUCTION: Repetitive dialysis-induced cardiac injury is associated with elevated troponin levels, inflammation, and longitudinal reduction in cardiac function. Pathogenic autoantibodies to cardiac troponins (cTnAAb) produce inflammatory cardiomyopathy in murine models. This study aimed to explore the possibility that analogous autoimmune processes might occur in hemodialysis (HD) patients, by initially investigating cTnAAb prevalence, and exploring potential links with HD-induced myocardial stunning. METHODS: In 130 prevalent HD patients from two centers (Derby, UK; Turku, Finland), cTnAAb (immunoassay) and cardiac troponins were quantified. Sixty-four patients underwent serial echocardiography to assess myocardial stunning. FINDINGS: cTnAAb were present in 7% of patients. Dual positivity to cTnAAb and elevated cTn occurred in 3% and 6% for cTnI and cTnT, respectively. Patients with cTnAAb had significantly longer dialysis vintage (82 vs. 30 months, P = 0.024), higher cTnT (0.1 vs. 0.05 pg/mL, P = 0.04), cTnI (0.02 vs. 0.01 pg/mL, P = 0.029), and free PAPP-A (6.4 vs. 3.3 mIU/L, P = 0.038). DISCUSSION: This is the first description of cTnAAb in HD patients, which raises the possibility that longitudinal exposure to repetitive HD-induced cardiac injury may lead to further autoimmune-based myocardial insult. PMID- 27866395 TI - [Best Medical Rreatment of Vascular Diseases: Which future?] PMID- 27866397 TI - Left Partial Anomalous Pulmonary Venous Return and Mitral Stenosis in an Adult. AB - Partial anomalous pulmonary venous return (PAPVR) is a relatively common congenital cardiac malformation in which one to three pulmonary veins drain to a systemic vein, the right atrium or the coronary sinus, resulting in a left-to right shunt and the risk of developing pulmonary hypertension (PHT). It is frequently associated to other congenital cardiac defects (mainly atrial septal defect) but seldom associated with acquired cardiac disease, and normally involves the right lung. When it involves the left lung, the surgical correction in children is normally performed without prosthetic material. The authors report a case of associated mitral stenosis and left PAPVR corrected with comissurotomy and extra-anatomic derivation with a synthetic vascular graft. PMID- 27866394 TI - Repeated otilonium bromide administration prevents neurotransmitter changes in colon of rats underwent to wrap restraint stress. AB - Otilonium bromide (OB) is a spasmolytic drug successfully used for the treatment of irritable bowel syndrome (IBS). Its efficacy has been attributed to the block of L- and T-type Ca2+ channels and muscarinic and tachykinin receptors in the smooth muscle. Furthermore, in healthy rats, repeated OB administration modified neurotransmitter expression and function suggesting other mechanisms of action. On this basis, we investigated whether repeated OB treatment prevented the functional and neurochemical changes observed in the colon of rats underwent to wrap restrain stress (WRS) a psychosocial stressor considered suitable to reproduce the main IBS signs and symptoms. In control, WRS and OB/WRS rats functional parameters were measured in vivo and morphological investigations were done ex vivo in the colon. The results showed that OB counteracts most of the neurotransmitters changes caused by WRS. In particular, the drug prevents the decrease in SP-, NK1r-, nNOS-, VIP-, and S100beta-immunoreactivity (IR) and the increase in CGRP-, and CRF1r-IR. On the contrary, OB does not affect the increase in CRF2r-IR neurons observed in WRS rats and does not interfere with the mild mucosal inflammation due to WRS. Finally, OB per se increases the Mr2 expression in the muscle wall and decreases the number of the myenteric ChAT-IR neurons. Functional findings show a significantly reduction in the number of spontaneous abdominal contraction in OB treated rats. The ability of OB to block L-type Ca2+ channels, also expressed by enteric neurons, might represent a possible mechanism through which OB exerts its actions. PMID- 27866396 TI - [Patency of Coronary Artery Bypass Graft]. AB - INTRODUCTION: Coronary heart disease is the leading cause of death and disability in the U.S. and Europe. When significant, the coronary disease can be treated medically or surgically. The medical treatment is performed in the catheterization laboratory and consists in the re-permeabilization of the coronary arteries by percutaneous approach, whereas the surgical myocardial revascularization consists in performing aorto-coronary bypass using arterial or venous conduits. OBJECTIVE: This study is sought to assess the patency and longevity of bypass in patients requiring new catheterization after surgery for recurrence of ischemic heart disease and to evaluate its relationship with factors such as the type of bypass, cardiovascular risk factors and left ventricular ejection fraction. METHODS: This study retrospectively analysed a sample of 260 surgically revascularized patients who required a new catheterization at the Hospital of Vila Nova de Gaia - Espinho between 2007 and 2012, for recurrence of ischemic heart disease. The degree of patency of the bypass was evaluated and sought a relationship with other variables such as gender, age, cardiovascular risk factors, left ventricular ejection fraction, the time interval between bypass surgery and the new catheterization. RESULTS: The patency of the arterial bypass using the left internal mammary artery proved to be superior to the venous conduit bypass. There was no statistically significant relationship between the patency of the bypass, the cardiovascular risk factors and the left ventricle ejection fraction. CONCLUSION: In this study we found a greater patency of the arterial bypass compared to the venous bypass. PMID- 27866398 TI - [Anorexia and Weight Loss as First Symptoms of a Solitary Fibrous Tumor of the Pleura]. AB - We report the clinical case of a 66 year-old woman with anorexia and weight loss, in whom a giant mass was found in the left pulmonary field. A computorized tomography guided fine-needle biopsy established the diagnosis of a solitary fibrous tumor of the pleura. Surgical resection of a 2655 grams of tumor mass was performed and the pathological examination confirmed the diagnosis. Nine months after surgery, the patient remained free of symptoms and with no evidence of disease recurrence. Solitary fibrous tumor of the pleura is a rare entity with mesenchymal origin. Although most solitary fibrous tumors of the pleura are benign, they possess a malignant potential and thus should be totally excised. Diagnosis is generally incidental, being the majority of the patients asymptomatic. However, extrinsic compression of the solitary fibrous pleural tumor on lung parenchyma may cause symptoms, from which the commonest are cough, dyspnea, and chest pain. The clinical presentation, suggestive of a consumptive and malignant disease reinforced the heterogeneity of this disease and the singularity of this clinical case, thus justifying its presentation. PMID- 27866399 TI - Thoracoscopic Pleural Abrasion in Neonatal Recurrent Pneumothorax. AB - Recurrent pneumothorax is a rare neonatal condition and there are few cases reporting surgical treatment, mainly based on adult studies. We present a male, term newborn that after four recurrent spontaneous pneumothorax (treated with pleural needle aspiration and drains) underwent thoracoscopic mechanical pleural abrasion. There were no post-operatory complications and no recurrence reported until the second year of life. We believe that this technique is safe and effective and may play an important role in these cases. PMID- 27866400 TI - [Deep Venous Thrombosis in Emergency Care: From Clinical Suspicion to Correct Diagnosis]. AB - AIM: Retrospective analysis of suspected deep venous thrombosis (DVT) of the lower limbs admitted to an emergency unit and subsequently scanned in the vascular lab. METHODS: Clinical and demographic details of patients were retrieved from clinical files and collected in a database. The statistical software SPSS was used for statistical analysis. RESULTS: Between January 2011 and September 2013, 407 venous scans were performed for ruling out DVT. Two hundred sixty-nine (66%) patients were female. Average age was 60.1 years-old (16 93). One hundred thirty-four scans (32.9%) were positive for the diagnosis of recent DVT (simultaneous DVT and superficial thrombophlebitis in six patients of this group). In 194 exams (47.6%) there was any sign of venous thrombosis, whether recent or remote. The remaining cases showed up signs of remote DVT in 22 (5.4%) patients, and superficial thrombophlebitis in 50 (12.2%) patients. CONCLUSION: Suspected DVT was confirmed in only a third of patients, using ultrasound scan. Local implementation of guidelines for the evaluation of patients with suspected DVT may reduce the amount of unnecessary scans. PMID- 27866402 TI - [Subclavian Steal Syndrome and Cerebral Hypoperfusion during Hemodialysis: A case report]. AB - Subclavian steal syndrome is caused by retrograde vertebral artery flow "stealing" vertebrobasilar perfusion. We report the clinical case of a 53 year old dialysis dependent woman with several cardiovascular risk factors, who had episodes of vertebrobasilar insufficiency and resting pain of the left upper extremity, during hemodialysis sessions, through a left arm brachiobasilic arteriovenous fistula. Noninvasive studies demonstrated a preoclusive stenosis at the origin of left subclavian artery, together with a stenosis on the left internal carotid artery superior to 70% and reversion of flow in the left vertebral artery. The patient underwent endarterectomy and Dacron patch angioplasty of the left internal carotid artery and carotid-subclavian ePTFE bypass, with total resolution of the previously described clinical presentation. PMID- 27866401 TI - [Primary Aorto-enteric Fistula Related to an Aortic Pseudo Aneurysm]. AB - : Primary aorto-enteric fistula is a very rare entity, with a high mortality. Direct aortic reconstruction is the preferred treatment, with extra-anatomic revascularization regarded as an alternative. Despite somehow promising results, the role of endovascular exclusion is still under scrutiny. CASE REPORT: Male patient, 80 years old, with a history of Micobacterium bovis infection one year ago, and two episodes of gastrointestinal bleeding in the last month. He presented with abdominal pain and hematochezia, was hypotensive and digested blood was found in the nasogastric tube. Anemia (Hb 7,3g/dL) was the only bloodwork remark. Upper and lower endoscopies reported no bleeding nor suspect lesions. Angio-CT showed a pseudo aneurysm of the infra-renal aorta, adherent to the third portion of the duodenum, with findings suggestive of an aorto-enteric fistula; it also showed a thrombosed false aneurysm related to the aorta and left iliac artery. None of these CT findings were reported in a CT done one year before. A right axillo-femoral bypass and crossover femoro-femoral bypass were done, before laparotomy, duodenal repair with jejunal patch and aortic and iliac arteries suture interruption. Good clinical outcome, with discharge from hospital on the 11th post-operative day. One year afterwards no vascular or gastrointestinal events were noticed. No positive microbiological cultures were obtained. CONCLUSION: The history of previous Micobacterium infection and the absence of the CT findings one year before this event support the aortic infection as the most likely cause for the fistula, emphasizing the rarity of this case. PMID- 27866403 TI - [Occlusion of Peripheral Bypass - Changing of an Institutional Paradigm]. AB - The vast majority of renovascular hypertension is treated nowadays resorting to endovascular procedures (angioplasty/stenting). We report a case of malignant hypertension derived from bilateral ostial renal artery occlusion with unfit anatomy for endovascular correction. The patient maintained assymptomatic with controlled arterial tension at the thirteenth yeah of follow-up, due to a splenorenal bypass. A review of the literature and this surgery indications is discussed. PMID- 27866404 TI - Current Era of Minimally Invasive Aortic Valve Replacement. PMID- 27866405 TI - Occupation and mesothelioma in Sweden: updated incidence in men and women in the 27 years after the asbestos ban. AB - OBJECTIVES: We updated the Swedish component of the Nordic Occupational Cancer (NOCCA) Study through 2009 in order to investigate the incidence of mesothelioma of the peritoneum and pleura in both genders, and explored occupational exposures that may be associated with mesothelioma. METHODS: The Swedish component of the NOCCA Study includes 6.78 million individuals. Data from this cohort were linked to the population-based Swedish Cancer Registry and Swedish Total Population Registry for three periods between 1961 and 2009, and then further linked to the Swedish NOCCA job-exposure matrix, which includes 25 carcinogenic substances and the corresponding exposure levels for 280 occupations. Multivariate analysis was used to calculate standardized incidence ratios (SIRs) for mesothelioma of the peritoneum and pleura by gender, occupational category, carcinogenic substance, and for multiple occupational exposures simultaneously. RESULTS: A total of 3,716 incident mesotheliomas were recorded (21.1% in women). We found a significantly increased risk of mesothelioma in 24 occupations, as well as clear differences between the genders. Among men, increased risks of mesothelioma of the pleura were observed in male-dominated occupations, with the greatest elevation of risk among plumbers (SIR, 4.99; 95% confidence interval, 4.20 to 5.90). Among women, increased risks were observed in sewing workers, canning workers, packers, cleaners, and postal workers. In multivariate analysis controlling for multiple occupational exposures, significant associations were only observed between asbestos exposure and mesothelioma. CONCLUSIONS: Asbestos exposure was associated with mesothelioma incidence in our study. The asbestos ban of 1982 has yet to show any clear effect on the occurrence of mesothelioma in this cohort. Among women, the occupations of canning workers and cleaners showed increased risks of mesothelioma of the pleura without evidence of asbestos exposure. PMID- 27866406 TI - Prevalence of factors related to active reproductive health behavior: a cross sectional study Indonesian adolescent. AB - OBJECTIVES: Complex and diverse factors are related to reproductive health (RH) behavior among adolescents according to the social and cultural context of each countries. This study examined the prevalence of active RH and factors related to active RH behavior among Indonesian adolescents. METHODS: A cross-sectional study was conducted among 1,040 of students who were selected through a multi-stage random sampling technique. A self-administered questionnaire was developed, including the World Health Organization Illustrative Questionnaire for Interview Surveys with Young People, pubertal development scale, and sexual activity scale, modified in accordance to the Indonesian context. The data were analyzed using descriptive and comparative statistics, as well as logistic regression analyses. RESULTS: The prevalence of active RH behavior were more higher in boys (56.6%; 95% confidence interval [CI], 50.6% to 62.6%) than in girls (43.7%; 95% CI, 37.6% to 49.8%). Negative attitudes towards RH were a factor related to active RH behavior in both boys and girls. Smoking and kind relationship envisioned before marriage (pacaran [courtship] and nikah siri [non-registered marriage]) were factors related to active RH behavior in boys; whereas the absence of access to information on substance abuse was an additional factor in girls. Moreover, an interaction was found between access to information on development and smoking (boys) and attitudes on RH (girls) as independent variables associated with active RH behavior. CONCLUSIONS: Sex education for adolescents in Indonesia, particularly in the context of a health promotion program, should be developed based on prevalent social, cultural, and religious values to prevent active RH behavior. Such programs should focus on the kind of relationship envisioned before marriage and smoking for boys and access to information on subtance abuse for girls. PMID- 27866407 TI - Forecasting and prediction of scorpion sting cases in Biskra province, Algeria, using a seasonal autoregressive integrated moving average model. AB - OBJECTIVES: The aims of this study were to highlight some epidemiological aspects of scorpion envenomations, to analyse and interpret the available data for Biskra province, Algeria, and to develop a forecasting model for scorpion sting cases in Biskra province, which records the highest number of scorpion stings in Algeria. METHODS: In addition to analysing the epidemiological profile of scorpion stings that occurred throughout the year 2013, we used the Box-Jenkins approach to fit a seasonal autoregressive integrated moving average (SARIMA) model to the monthly recorded scorpion sting cases in Biskra from 2000 to 2012. RESULTS: The epidemiological analysis revealed that scorpion stings were reported continuously throughout the year, with peaks in the summer months. The most affected age group was 15 to 49 years old, with a male predominance. The most prone human body areas were the upper and lower limbs. The majority of cases (95.9%) were classified as mild envenomations. The time series analysis showed that a (5,1,0)*(0,1,1)12 SARIMA model offered the best fit to the scorpion sting surveillance data. This model was used to predict scorpion sting cases for the year 2013, and the fitted data showed considerable agreement with the actual data. CONCLUSIONS: SARIMA models are useful for monitoring scorpion sting cases, and provide an estimate of the variability to be expected in future scorpion sting cases. This knowledge is helpful in predicting whether an unusual situation is developing or not, and could therefore assist decision-makers in strengthening the province's prevention and control measures and in initiating rapid response measures. PMID- 27866408 TI - Prescribing patterns for attention deficit hyperactivity disorder medications among children and adolescents in Korea, 2007-2011. AB - OBJECTIVES: This study analyzed the prevalence of attention deficit hyperactivity disorder (ADHD) medication use among children and adolescents in Korea between January 1, 2007 and December 31, 2011. METHODS: Using the Korea National Health Insurance claims database, we identified patients between one and 17 years of age who had at least one medical claim for the diagnosis of ADHD (International Classification of Diseases, 10th revision: F90.0). The annual prevalence of ADHD diagnoses was calculated, using national census data from Statistics Korea on the population aged between one and 17 years as the denominator. The prevalence was age-standardized using the 2010 population as the standard population. The number of patients who were treated with methylphenidate and/or atomoxetine and the prevalence of total patients with ADHD that were treated with either drug were also calculated for each year. All analyses were stratified according to gender and age group (1-5 years, 6-12 years, and 13-17 years). RESULTS: The number of patients diagnosed with ADHD increased from 72,704 persons (0.71%) in 2007 to 85,468 persons (0.93%) in 2011. The annual age-standardized prevalence of ADHD diagnoses increased from 0.67% in 2007 to 0.94% in 2011. The prevalence of methylphenidate use among children and adolescents with ADHD decreased from 73.91% in 2007 to 70.33% in 2011, whereas that of atomoxetine use increased from 5.77% in 2009 to 13.09% in 2011. CONCLUSIONS: While methylphenidate remains the most commonly prescribed ADHD drug, the use of atomoxetine has increased. PMID- 27866409 TI - Child migration: from social determinants of health to the development agenda and beyond. PMID- 27866410 TI - Distress, depression and anxiety among persons seeking HIV testing. AB - We investigated psychological distress and symptoms of depression and anxiety among 485 South Africans seeking HIV testing. The mean scores of the sample were 45.78 (SD = 16.81) on the Hopkins Symptom Checklist; 15.8 (SD = 12.4) on the Beck Depression Inventory and 12.44 (SD = 13.00) on the Beck Anxiety Inventory, which fell in the elevated, mild and low ranges on these instruments, respectively. For more than a third of participants, symptoms of depression and clinically significant distress were at least moderate and in some cases severe, indicating that they may have benefitted from psychological help. We make the case that symptoms of depression and distress are common among persons seeking HIV testing and are therefore not a consequence of an HIV-positive test result. PMID- 27866411 TI - Evaluation of the ERIC-PCR as a probable method to differentiate Avibacterium paragallinarum serovars. AB - Infectious coryza, an upper respiratory tract disease in chickens, caused by Avibacterium paragallinarum, leads to huge economic losses. The disease is controlled through vaccination; but vaccination efficacy is dependent on correct identification of the infecting serovar, as limited cross-protection is reported amongst some serovars. Current identification methods include the heamagglutination inhibition test, which is demanding and could be subjective. To overcome this, molecular typing methods proposed are the Multiplex polymerase chain reaction (PCR) and Restriction Fragment Length Polymorphism-PCR, but low reproducibility is reported. Enterobacterial Repetitive Intergenic Consensus (ERIC)-PCR has been suggested for molecular groupings of various bacterial species. This study focuses on evaluating the ERIC-PCR as a probable method to differentiate between different Av. paragallinarum serovars by grouping with reference isolates, based on clonal relations. The ERIC-PCR was performed on 12 reference isolates and 41 field isolates originating from South Africa and South America. The data indicate that the ERIC-PCR is not ideal for the differentiation or for molecular typing of Av. paragallinarum serovars, as no correlation is drawn upon comparison of banding patterns of field isolates and reference strains. However, the results do indicate isolates from the same origin sharing unique banding patterns, indicating potential clonal relationship; but when compared to the reference isolates dominant in the specific area, no correlation could be drawn. Furthermore, although the ERIC-PCR serves a purpose in epidemiological studies, it has proved to have little application in differentiating amongst serovars of Av. paragallinarum and to group untyped field strains with known reference strains. PMID- 27866412 TI - Failing to deliver established quality treatment for cervical cancer: what is going on and how can we improve it? PMID- 27866413 TI - Disbalance of calcium regulation-related genes in broiler hearts induced by selenium deficiency. AB - Dietary selenium (Se) deficiency may influence the calcium (Ca) homeostasis in broilers. Our objective was to investigate the effects of Se deficiency on Ca regulation-related genes in broiler hearts. In the present study, 1-day-old broilers were fed either a commercial diet (as control group) with 0.15 mg/kg Se or a Se-deficient diet (as L group) with 0.033 mg/kg Se for 35 days. We examined the mRNA expression levels of 15 Ca regulation-related genes (ITPR 1, ITPR 2, ITPR3, RyR2, RyR3, SERCA1s, SLC8A1, PMCA1, CACNA1S, TRPC1, TRPC3, stromal interacting molecule 1, ORAI1, calmodulin (CaLM) and calreticulin (CRT) in broiler hearts. Then, Kyoto Encyclopedia of Genes and Genomes analysis, protein protein interactions (PPI) analysis and correlation analysis were performed to analyse the relationships between these genes. The results showed that the mRNA expression levels of ITPR 1, ITPR 2, RyR2, RyR3, SERCA1s, SLC8A1, PMCA1, CACNA1S, CaLM and CRT were generally decreased by Se deficiency, while mRNA expression levels of TRPC1, TRPC3, stromal interacting molecule 1, ORAI1 and ITPR3 were increased by Se deficiency. Kyoto Encyclopedia of Genes and Genomes and PPI analysis showed that these Ca regulation-related genes are involved in the Ca signalling pathway and a total of 15 PPIs with a combined score of >0.4 were obtained. In conclusion, the results demonstrated that Se deficiency might cause heart injury via modulating the Ca-related pathway genes, and then induce Ca2+ overload in the heart of broilers. PMID- 27866414 TI - Chemerin level in pregnancies complicated by preeclampsia and its relation with disease severity and neonatal outcomes. AB - The aims of this prospective study were to detect maternal serum chemerin level in patients with preeclampsia and investigate its association with disease severity and neonatal outcomes. Maternal serum chemerin levels were significantly elevated in severe preeclamptic women (394.72 +/- 100.01 ng/ml) compared to mild preeclamptic women (322.11 +/- 37.60 ng/ml) and healthy pregnant women (199.96 +/ 28.05 ng/ml) (p = .001). Maternal serum chemerin levels were positively correlated with systolic and diastolic blood pressure, C-reactive protein levels, homeostasis model assessment of insulin resistance, proteinuria, AST, ALT, and duration of hospitalisation. Gestational week at delivery, birthweight, and APGAR scores at 1 and 5 min were negatively correlated with maternal serum chemerin level. A maternal serum chemerin level of >252.0 ng/ml indicated preeclampsia with 95.5% sensitivity and 95.7% specificity. There was a positive correlation between maternal serum chemerin level and severity of preeclampsia. Additionally, adverse neonatal outcomes were significantly associated with high maternal serum chemerin levels. PMID- 27866415 TI - Teachers' perceptions of implementation of aided AAC to support expressive communication in South African special schools: a pilot investigation. AB - Although the provision of assistive technology for students with disabilities has been mandated in South African education policy documents, limited data are available on the implementation of aided augmentative and alternative communication (AAC) in classrooms. This pilot investigation used a concurrent mixed-methods survey design to determine the extent to which aided AAC was implemented to foster students' expressive communication in preschool to Grade 3 classrooms in special schools from six urban school districts in the Gauteng (the smallest, most affluent and most densely populated of the nine South African provinces), and also obtained teachers' perceptions of this process. A total of 26 teachers who taught students who used aided AAC for expression participated. Although there is evidence of provision and also implementation of aided AAC in classrooms, various limitations still exist. Teachers identified an array of factors that influenced the implementation of aided AAC, including those related to themselves, the classroom context, the characteristics of aided AAC, students using AAC, and other stakeholders. These factors are discussed in the light of international literature as well as the local context, and are used as a basis to suggest a research agenda for AAC in the South African education system. PMID- 27866416 TI - How active are patients in setting goals during rehabilitation after stroke? A qualitative study of clinician perceptions. AB - PURPOSE: We investigated stroke rehabilitation clinician's perceptions of the patient as an active partner in setting goals within stroke rehabilitation and factors that influence patient engagement. METHODS: Semi-structured interviews, subject to general inductive analysis with 20 Clinicians' working in three UK based stroke rehabilitation teams (one in-patient ward and two community based rehabilitation teams). RESULTS: There were three key themes that impacted on the patients active involvement in setting goals for rehabilitation after stroke: Patient barriers to goal setting (knowledge of the patient and family, who is the patient and the stroke's impact); How we work as a team (the role of the patient in setting goals, the effect of clinician attributes on goal setting); and How systems impact goal setting (goal-setting practice, home versus hospital, and professional/funder expectations of clinicians'). CONCLUSIONS: Goal setting served a range of different, sometimes conflicting, functions within rehabilitation. Clinicians' identified the integral nature of goals to engage and motivate patients and to provide direction and purpose for rehabilitation. Further, there was an identified need to consider the impact of prioritizing clinician-derived goals at the expense of patient-identified goals. Lastly the reliance on the SMART goal format requires further consideration, both in terms of the proposed benefits and whether they disempower the patient during rehabilitation. Implications for rehabilitation Goal setting is often promoted as a relatively simple, straightforward way to structure interactions with patients Patient-related factors together with resourcing constraints are significant barriers to patient-centered goal setting, particularly during inpatient rehabilitation Clinicians need to have pragmatic tools that can be integrated into practice to ensure that goal-setting practice can be maximized for patients with different intrinsic characteristics. PMID- 27866417 TI - BODIPY-conjugated chitosan nanoparticles as a fluorescent probe. AB - Recently, development of fluorescent nanoparticle-based probes for various bioimaging applications has attracted great attention. This work aims to develop a new type fluorescent nanoparticle conjugate and evaluate its cytotoxic effects on A549 and BEAS 2B cell lines. Throughout the study, ionically crosslinked chitosan nanoparticles (CNs) were conjugated with carboxylated 4,4-difluoro-4 bora-3a,4a-diaza-s-indacene (BODIPY-COOH). The results of conjugates (BODIPY-CNs) were investigated with regard to their physic-chemical, optical, cytotoxic properties and cellular internalization. The morphology of BODIPY-CNs was found to be spherical in shape and quite uniform having average diameter of 70.25 +/- 11.99 nm. Cytotoxicty studies indicated that although BODIPY-COOH itself was quite toxic on both A549- and BEAS 2B-treated cells, CNs increased the cell viability of both cell lines via conjugation to BODIPY-COOH fluorescent molecule up to 67% for A549 and 74% for BEAS 2B cells. These results may suggest a possible utilization of the new fluorescent nanoparticle-based probe for bioimaging in biology and medicine. PMID- 27866418 TI - Microinvasive squamous carcinoma of neovagina created with peritoneal flap (Davidov): Case report and literature review. AB - Carcinoma of the vagina is a rare disease, and it is even more rare when it appears in a neovagina, having its incidence and optimum treatment constantly discussed. The aim of this article was to review the cases described in the currently available literature and describe the second documented case of carcinoma in a neovagina created with peritoneal flaps, and also list the possible pathways and risk factors for its development. The case we present is a 49-year-old female who after undergoing a laparoscopic colpectomy of the upper two-thirds of the vagina, with an immediate reconstruction with peritoneal flaps by laparoscopy, at a 4 months follow up presented a focal microinvasive squamous carcinoma in the vault of the neovagina. After reviewing the literature, we conclude that excisional treatment is the preferable option to avoid the progression to an invasive carcinoma. However, this case demonstrates the importance of the necessity to do regular cito-vulvovaginoscopic examinations after the complete surgical treatment because of the chance of persistent or recurrent lesions on the transplanted tissue. PMID- 27866419 TI - Evidence for Impact and Impact of Evidence. PMID- 27866421 TI - The development of 1,3-diphenylisobenzofuran as a highly selective probe for the detection and quantitative determination of hydrogen peroxide. AB - 1,3-Diphenylisobenzofuran (DPBF) has been developed as a selective probe for the detection and quantitative determination of hydrogen peroxide in samples containing different reactive nitrogen and oxygen species (RNOS). DPBF is a fluorescent probe which, for almost 20 years, was believed to react in a highly specific manner toward some reactive oxygen species (ROS) such as singlet oxygen and hydroxy, alkyloxy or alkylperoxy radicals. Under the action of these individuals DPBF has been rapidly transformed to 1,2-dibenzoylbenzene (DBB). In order to check if DPBF can act as a unique indicator of the total amount of different RNOS, as well as oxidative stress caused by an overproduction of these individuals, a series of experiments was carried out, in which DPBF reacted with peroxynitrite anion, superoxide anion, hydrogen peroxide, hypochlorite anion, and anions commonly present under biological conditions, namely nitrite and nitrate. In all cases, except for hydrogen peroxide, the product of the reaction is DBB. Only under the action of H2O2 9-hydroxyanthracen-10(9H)-one (oxanthrone) is formed. This product has been identified with the use of fluorescence spectroscopy, NMR spectroscopy, high performance liquid chromatography coupled with mass spectrometry, infrared spectroscopy, elemental analysis, and cyclic voltammetry (CV). A linear relationship was found between a decrease in the fluorescence intensity of DPBF and the concentration of hydrogen peroxide in the range of concentrations of 0.196-3.941 mM. DPBF responds to hydrogen peroxide in a very specific way with the limits of detection and quantitation of 88 and 122.8 MUM, respectively. The kinetics of the reaction between DBBF and H2O2 was also studied. PMID- 27866420 TI - Cancer stem cell-targeted therapeutics and delivery strategies. AB - INTRODUCTION: Cancer initiating or stem cells (CSCs) are a small population of cells in the tumor mass, which have been reported to be present in different types of cancers. CSCs usually reside within the tumor and are responsible for reoccurrence of cancer. The imprecise, inaccessible nature and increased efflux of conventional therapeutic drugs make these cells resistant to drugs. We discuss the specific markers for identification of these cells, role of CSCs in chemotherapy resistance and use of different therapeutic means to target them, including elucidation of specific cell markers, exploitation of different signaling pathways and use of nanotechnology. Area covered: This review covers cancer stem cell signaling which are used by these cells to maintain their quiescence, stemness and resistant phenotype, distinct cell surface markers, contribution of these cells in drug resistance, inevitability to cure cancer and use of nanotechnology to overcome this hurdle. Expert opinion: Cancer stem cells are the main culprit of our failure to cure cancer. In order to cure cancer along with other cells types in cancer, cancer stem cells need to be targeted in the tumor bed. Nanotechnology solutions can facilitate clinical translation of the therapeutics along with other emerging technologies to cure cancer. PMID- 27866422 TI - Mapping the rehabilitation interventions of a community stroke team to the extended International Classification of Functioning, Disability and Health Core Set for Stroke. AB - PURPOSE: This study aim was to evaluate whether the Extended International Classification of Functioning, Disability and Health Core Set for Stroke captured the interventions of a community stroke rehabilitation team situated in a large city in New Zealand. It was proposed that the results would identify the contribution of each discipline, and the gaps and differences in service provision to Maori and non-Maori. Applying the Extended International Classification of Functioning, Disability and Health Core Set for Stroke in this way would also inform whether this core set should be adopted in New Zealand. METHOD: Interventions were retrospectively extracted from 18 medical records and linked to the International Classification of Functioning, Disability and Health and the Extended International Classification of Functioning, Disability and Health Core Set for Stroke. The frequencies of linked interventions and the health discipline providing the intervention were calculated. RESULTS: Analysis revealed that 98.8% of interventions provided by the rehabilitation team could be linked to the Extended International Classification of Functioning, Disability and Health Core Set for Stroke, with more interventions for body function and structure than for activities and participation; no interventions for emotional concerns; and limited interventions for community, social and civic life. Results support previous recommendations for additions to the EICSS. CONCLUSIONS: The results support the use of the Extended International Classification of Functioning, Disability and Health Core Set for Stroke in New Zealand and demonstrates its use as a quality assurance tool that can evaluate the scope and practice of a rehabilitation service. Implications for Rehabilitation The Extended International Classification of Functioning Disability and Health Core Set for Stroke appears to represent the stroke interventions of a community stroke rehabilitation team in New Zealand. As a result, researchers and clinicians may have increased confidence to use this core set in research and clinical practice. The Extended International Classification of Functioning Disability and Health Core Set for Stroke can be used as a quality assurance tool to establish whether a community stroke rehabilitation team is meeting the functional needs of its stroke population. PMID- 27866424 TI - Image-guided thermal ablation might be a way to compensate for image deriving cancer overdiagnosis. PMID- 27866423 TI - Risk factors for bone metastasis in completely resected non-small-cell lung cancer. AB - AIM: We assessed risk factors for bone metastasis in patients with completely resected non-small-cell lung cancer (NSCLC). MATERIALS & METHODS: A total of 374 NSCLC patients who had undergone a complete resection from January 2008 to May 2012 were included in this retrospective study. The Kaplan-Meier method and multivariate Cox regression analysis were used to evaluate risk factors for bone metastasis. RESULTS: A total of 47 (47/374; 12.6%) patients developed bone metastasis up until the last follow-up time. The patients with bone metastasis included 33 adenocarcinoma patients and 6 (4.9%) squamous cell carcinoma patients (p = 0.001). There were 17 (10.2%) patients with pathological stage (P-stage) I disease, 9 (9.5%) patients with P-stage II disease and 21 (18.8%) patients with P stage III disease (p = 0.007) among all the bone metastasis patients. For patients without or with bone metastasis, the overall survival ratio at 3 years was 71.6% compared with 46.8% (p < 0.0001), respectively. CONCLUSION: Adenocarcinoma and P-stage III disease were related to a high risk of bone metastasis. PMID- 27866425 TI - The role of physical status versus mental status in predicting the quality of life of patients with lumbar disk herniation. AB - PURPOSE: To explore the role of physical status versus mental status in predicting the quality of life (QOL) of patients with lumbar disk herniation (LDH). METHOD: In this correlative study 51 patients with LDH were recruited in their conservative stage of treatment. After profiling their physical status, all participants reported about pain level (according to VAS), pain perception using the Pain Catastrophizing Scale (PCS), and disability level (according to Oswestry Low Back Pain Disability Questionnaire). Their mental status was evaluated using the Spielberger's State-Trait Anxiety Inventory (STAI) and the Beck Depression Inventory (BDI-II). Their QOL was evaluated by the World Health Organization Quality of Life Questionnaire, brief version (WHOQOL-BREF). RESULTS: Physical status/disability level correlated with anxiety and depression. While Physical status predicted physical QOL, mental status, and mainly anxiety and depression were the significant predictors of psychological, social, and environmental QOL. CONCLUSIONS: Mental status may play a significant role in reducing most QOL domains among patients with LDH. The evaluation and intervention process should consider both physical and mental status and their relation to the person's QOL. Since QOL is a major parameter in determining intervention type and success this elaborated perspective may contribute to the intervention planning and outcomes. Implications for rehabilitaion A significant mental distress may accompany the physical disability of patients with LDH. The role of this mental distress in reducing the QOL of patients with LDH may be greater than that of their physical disability. The evaluation and intervention for patients with LDH should refer to both physical and mental status and explore their impacts on quality of life in order to elevate intervention success. PMID- 27866426 TI - Comparative study on the induction of complex genomic alterations after exposure of mammalian cells to carboplatin and oxaliplatin. AB - Metal complexes are still broadly used as the first line of the treatment for different types of tumors nowadays. Carboplatin and oxaliplatin were authorized for clinical use, even though there is little information on the mutagenic profile associated to their usage. This study evaluated the cytostatic effects and the induction of complex genomic alterations after 24-h treatment of CHO-K1 cells to concentrations of 12.5-800 MUM of carboplatin and oxaliplatin in the cytokinesis-block micronucleus assay (CBMN-Cyt). The results demonstrated that carboplatin and oxaliplatin significantly increased the frequency of micronuclei (MN), nucleoplasmatic bridges (NPBs), and nuclear buds (NBUDs). On one hand, oxaliplatin induces significantly more chromosomal abnormalities than carboplatin at concentrations of 12.5 and 25 MUM. On the other hand, carboplatin, in cells exposed to concentrations of 50 and 100 MUM, is more efficient than oxaliplatin in the induction of chromosomal instability events. Both drugs cause significant reduction in the cytokinesis-block proliferation index, demonstrating their cytostatic effects at concentrations 50-800 MUM. The results of this study shed more light on the characterization of biological effects associated with the exposure to carboplatin and oxaliplatin. PMID- 27866427 TI - Image-guided thermal ablation might be a way to compensate for image deriving cancer overdiagnosis: Author reply. PMID- 27866429 TI - CD99 refers to the activity of inflammatory bowel disease. AB - BACKGROUND: Inflammatory bowel disease (IBD), composed of Crohn's disease (CD) and ulcerative colitis (UC), is an inflammatory autoimmune disease. CD99 has been reported to participate in migration of leukocytes and T cell activation. However, the roles of CD99 in IBD are obscure. MATERIALS AND METHODS: CD99 expression was examined in peripheral blood mononuclear cells (PBMCs) and inflamed mucosa from IBD patients by qRT-PCR. Serum TNF-alpha and IL-17A levels were detected by ELISA. Correlations of CD99 expression with TNF-alpha, IL-17A, Crohn's disease activity index (CDAI), simple endoscopic score for CD (SES-CD), Mayo index, and Truelove grading were performed by Pearson's correlation. RESULTS: CD99 expression was increased in PBMCs and inflamed mucosa from active CD and UC patients, and CD99 expression was also increased in the inflamed mucosa compared with unaffected control from the same patients. Serum TNF-alpha and IL 17A levels were increased in active CD or UC patients, and positively correlated with CD99 expression in PBMCs (CD: r = .402, p = .009; r = .350, p = .025. UC: r = .289, p = .028; r = .322, p = .014). Moreover, CD99 expression in inflamed mucosa was correlated with CDAI, SES-CD, Mayo index, and Truelove grading (r = .410, p = .012; r = .341, p = .005; r = .366, p = .002; r = .312, p = .011). CONCLUSION: CD99 expression is increased in patients with active IBD, and positively correlated with disease activity. Therefore, CD99 expression can be used as an index to evaluate the activity of IBD. PMID- 27866428 TI - Diagnosis and treatment of epilepsy and sleep apnea comorbidity. AB - INTRODUCTION: The comorbidity of epilepsy and sleep apnea is not uncommon. The diagnosis and treatment of obstructive sleep apneas will improve the prognosis and the quality of life in patients with epilepsy. Areas covered: In this paper, the authors review the pathological link between sleep apnea and epilepsy and systematically analyze the current literature on the diagnosis and treatment of obstructive sleep apnea in patients with epilepsy. This review includes studies retrieved from the PubMed, Embase and Google Scholar databases. Expert commentary: A variety of treatments are available for OSA and epilepsy independently but there are no standards or guidelines for how to implement these treatments for patients who suffer from both disorders. The authors expect that alternative efficient therapies for comorbidity will be explored, which may change the current clinical practice for the management of epileptic patients. PMID- 27866430 TI - Assessing catastrophic thinking associated with debilitating mental health conditions. AB - PURPOSE: The present study examined the psychometric properties of the Symptom Catastrophizing Scale (SCS). The SCS items were drawn from the Pain Catastrophizing Scale but were modified to make them better suited to the context of debilitating mental health conditions that are not necessarily associated with pain. The number of items was reduced from 13 to 7, and the response scale was simplified. METHODS: The SCS was administered to individuals diagnosed with Major Depressive Disorder (MDD) (N = 79) or with a chronic musculoskeletal (MSK) condition (N = 88). RESULTS: Exploratory factor analyzes revealed single factor solutions of the SCS for both the MSK and MDD samples. The internal consistency of the SCS was good. The SCS was significantly correlated with measures of pain severity, depressive symptom severity and disability in both samples. Individuals with MDD scored higher on the SCS than individuals with MSK. The SCS was shown to be sensitive to treatment-related reductions in catastrophic thinking. CONCLUSIONS: Preliminary analyzes suggest that the SCS is a reliable and valid measure of symptom-related catastrophic thinking associated with debilitating mental health conditions. Implications for Rehabilitation Although catastrophic thinking has been identified as a risk factor for disability, current assessment tools are not well suited for individuals with debilitating mental health conditions. This paper describes a brief assessment instrument that can be used to assess catastrophic thinking in individuals with debilitating mental health conditions. The results of this study suggest that targeting catastrophic thinking might yield reductions in symptom severity and disability in work disabled individuals with major depressive disorder. PMID- 27866431 TI - MicroRNA-targeted therapeutics for lung cancer treatment. AB - INTRODUCTION: Lung cancer is one of the leading causes of cancer-related mortality worldwide. MicroRNAs (miRNAs) are endogenous non-coding small RNAs that repress the expression of a broad array of target genes. Many efforts have been made to therapeutically target miRNAs in cancer treatments using miRNA mimics and miRNA antagonists. Areas covered: This article summarizes the recent findings with the role of miRNAs in lung cancer, and discusses the potential and challenges of developing miRNA-targeted therapeutics in this dreadful disease. Expert opinion: The development of miRNA-targeted therapeutics has become an important anti-cancer strategy. Results from both preclinical and clinical trials of microRNA replacement therapy have shown some promise in cancer treatment. However, some obstacles, including drug delivery, specificity, off-target effect, toxicity mediation, immunological activation and dosage determination should be addressed. Several delivery strategies have been employed, including naked oligonucleotides, liposomes, aptamer-conjugates, nanoparticles and viral vectors. However, delivery remains a main challenge in miRNA-targeting therapeutics. Furthermore, immune-related serious adverse events are also a concern, which indicates the complexity of miRNA-based therapy in clinical settings. PMID- 27866432 TI - Maternal cardiac haemodynamics in severe pre-eclampsia complicated by acute pulmonary oedema: A review. AB - AIM: To establish alterations in maternal cardiac haemodynamics and function using electrocardiography and echocardiography in severe pre-eclampsia complicated by acute pulmonary oedema. METHODS: An extensive literature search including any research articles, randomised control trials, observational study, case report or expert or consensus statement pertaining to severe pre-eclampsia, eclampsia, hypertensive crises of pregnancy, pulmonary oedema, maternal cardiac haemodynamics, Holter monitoring and maternal echocardiography was done. Electronic search strategies included searching the MEDLINE, EMBASE, Cochrane Library and Pubmed databases. RESULTS: Toxic substrates from a chronically ischaemic placenta and elevated maternal cathecolamines leads to widespread elevated systemic vascular resistance, endothelial cell damage and increased left ventricular afterload all of which combine to result in left ventricular hypertrophy with impaired ventricular filling reflected as significant diastolic dysfunction, increased left ventricular end systolic and end diastolic volumes, increased left ventricular stroke work, myocardial ischaemia and resultant ventricular arrhythmias, in particular ventricular tachycardia. These factors could lead to cardiac failure in severe pre-eclampsia, either in combination or in independently of each other depending on the magnitude of the angiogenic imbalances, degree of elevated systemic vascular resistance, degree of impaired myocardial relaxation and diastolic filling anomalies, gene-environment interaction and degree of possible pre-existing or potential cardiovascular dysfunction. CONCLUSION: Comprehensive maternal echocardiographic and electocardiographic assessment should be incorporated in the work-up of severe pre-eclampsia to stratify these cases, to enable clinicians to choose the appropriate acute hypertensive drug therapy and plan optimal management pathways. PMID- 27866435 TI - Wards are carrying out dangerous practices. PMID- 27866433 TI - Rasch validation of the Arabic version of the lower extremity functional scale. AB - PURPOSE: The purpose of this study was to examine the internal construct validity of the Arabic version of the Lower Extremity Functional Scale (20-item Arabic LEFS) using Rasch analysis. METHODS: Patients (n = 170) with lower extremity musculoskeletal dysfunction were recruited. Rasch analysis of 20-item Arabic LEFS was performed. Once the initial Rasch analysis indicated that the 20-item Arabic LEFS did not fit the Rasch model, follow-up analyses were conducted to improve the fit of the scale to the Rasch measurement model. These modifications included removing misfitting individuals, changing item scoring structure, removing misfitting items, addressing bias caused by response dependency between items and differential item functioning (DIF). RESULTS: Initial analysis indicated deviation of the 20-item Arabic LEFS from the Rasch model. Disordered thresholds in eight items and response dependency between six items were detected with the scale as a whole did not meet the requirement of unidimensionality. Refinements led to a 15-item Arabic LEFS that demonstrated excellent internal consistency (person separation index [PSI] = 0.92) and satisfied all the requirement of the Rasch model. CONCLUSION: Rasch analysis did not support the 20-item Arabic LEFS as a unidimensional measure of lower extremity function. The refined 15-item Arabic LEFS met all the requirement of the Rasch model and hence is a valid objective measure of lower extremity function. The Rasch-validated 15-item Arabic LEFS needs to be further tested in an independent sample to confirm its fit to the Rasch measurement model. Implications for Rehabilitation The validity of the 20-item Arabic Lower Extremity Functional Scale to measure lower extremity function is not supported. The 15-item Arabic version of the LEFS is a valid measure of lower extremity function and can be used to quantify lower extremity function in patients with lower extremity musculoskeletal disorders. PMID- 27866446 TI - Clinical and serological one-year follow-up of patients after the bite of Ixodes ricinus ticks infected with Borrelia burgdorferi sensu lato. AB - BACKGROUND: The risk of developing Lyme borreliosis (LB) after the bite of a Borrelia (B.) burgdorferi sensu lato (s.l.) infected tick in Romania is unknown. METHODS: The present prospective study, performed in 2010-2011 in a hospital in Romania, has followed-up clinical and serological outcome of patients that presented with B. burgdorferi positive Ixodes (I.) ricinus bite. A second group of patients, including age, sex and residence-matched individuals bitten by B. burgdorferi negative ticks, was followed-up as a control group. The subjects' outcome was evaluated one year after the tick bite. RESULTS: Forty-three out of 389 ticks detached from patients were positive by hbb Real-Time PCR (RT-PCR) for B. burgdorferi s.l. (mainly B. afzelii, but also B. garinii, B. burgdorferi sensu stricto, B. spielmanii/B. valaisiana and B. lusitaniae). Twenty patients bitten by B. burgdorferi positive ticks and twenty matched control patients returned for the one year follow-up. Two patients from the B. burgdorferi positive group developed clinical manifestations of acute LB (erythema migrans) and 5 patients seroconverted (two from the B. burgdorferi positive group and three from the B. burgdorferi negative group). Borrelia afzelii was identified in ticks collected from persons that developed erythema migrans (EM). Comparing the two groups of patients, no statistical significant differences were found regarding presence of clinical symptoms or seroconversion. CONCLUSIONS: No outcome differences were found between the group of patients bitten by B. burgdorferi positive ticks and the group of patients bitten by B. burgdorferi negative ticks. PMID- 27866447 TI - Challenges in congenital central hypoventilation syndrome (Ondine's curse) on pregnancy: a case report. PMID- 27866448 TI - Dehydration of CO2-alpha-cyclodextrin complex powder by desiccant adsorption method and its release properties. AB - Stability and release properties of CO2-alpha-cyclodextrin complex powder prepared by solid encapsulation (water activity, aw ~ 0.95) followed by moisture removal using silica gel and CaCl2 desiccants during post-dehydration were investigated. The results showed that CaCl2 reduced aw much faster than silica gel did under the same conditions. After approximately 60 h, aw of complex powders reduced using silica gel was almost constant at 0.247 (+/-0.012), while those treated with CaCl2, aw was 0.225 (+/-0.005) and had not yet reached their lowest value. Moisture adsorption by silica gel and CaCl2 also led to a decrease in the CO2 concentration of complex powder (higher decrease for silica gel adsorption) without affecting the structure and morphology of complex powder. The CO2 release properties of CaCl2-aw-reduced complex powder at different relative humidities (32.73, 52.86, 75.32 and 97.30% RH), liquid environments (water and oil) and packaging methods (normal and vacuum) were also studied. PMID- 27866449 TI - Effect of magnesium sulfate on morphine activity retention to control pain after herniorrhaphy. AB - AIM: This research was carried out to compare magnesium sulfate (MgSO4) with isotonic saline in terms of pain control after herniorrhaphy. PATIENTS & METHODS: A randomized double-blind study, in which the patients were blind to all. A total of 100 patients who were candidates of herniorrhaphy were randomized into two groups: experimental and control (50 patients in each). Anesthesia was induced with 20% of 4 cc of morphine. The experimental and control group received postoperative 20% of 2 cc MgSO4 in 2 cc of isotonic saline and 4 cc of isotonic saline, respectively. RESULT: The administration of postoperative morphine in control group 0.79 +/- 1.48 mg was significantly higher to the experimental group 0.17 +/- 0.63 mg during the first 24 h (p = 0.01). CONCLUSION: MgSO4 increased the potency of morphine thereby reducing the amount of postoperative pain killer needed. PMID- 27866450 TI - Recognizing healthcare-associated Staphylococcus aureus bloodstream infections in children. PMID- 27866451 TI - Health advocacy. AB - In the medical profession, activities related to ensuring access to care, navigating the system, mobilizing resources, addressing health inequities, influencing health policy and creating system change are known as health advocacy. Foundational concepts in health advocacy include social determinants of health and health inequities. The social determinants of health (i.e. the conditions in which people live and work) account for a significant proportion of an individual's and a population's health outcomes. Health inequities are disparities in health between populations, perpetuated by economic, social, and political forces. Although it is clear that efforts to improve the health of an individual or population must consider "upstream" factors, how this is operationalized in medicine and medical education is controversial. There is a lack of clarity around how health advocacy is delineated, how physicians' scope of responsibility is defined and how teaching and assessment is conceptualized and enacted. Numerous curricular interventions have been described in the literature; however, regardless of the success of isolated interventions, understanding health advocacy instruction, assessment and evaluation will require a broader examination of processes, practices and values throughout medicine and medical education. To support the instruction, assessment and evaluation of health advocacy, a novel framework for health advocacy is introduced. This framework was developed for several purposes: defining and delineating different types and approaches to advocacy, generating a "roadmap" of possible advocacy activities, establishing shared language and meaning to support communication and collaboration across disciplines and providing a tool for the assessment of learners and for the evaluation of teaching and programs. Current approaches to teaching and assessment of health advocacy are outlined, as well as suggestions for future directions and considerations. PMID- 27866452 TI - Efficacy of debridement, antibiotic therapy and implant retention within three months during postoperative instrumented spine infections. AB - BACKGROUND: Postoperative instrumented spine infection (PISI) is a severe complication of invasive spine procedures. METHODS: Retrospective study of patients treated for PISI between 1st January 2008 and 31st December 2012 in a French University Hospital. The objectives of this study were to describe the outcome of patients treated with debridement-irrigation, antibiotic therapy and implant retention (DAIR) within three months after the occurrence of PISI and to identify factors associated with relapse. RESULTS: Among 4290 patients who underwent spinal arthrodesis surgery during the 5-year study period, 129 had PISI treated by debridement-irrigation in the first three months (3.0%, 95% confidence interval [95%CI]: 2.5-3.5). Fifty-two (40%) were female and the median age was 57 years. Fourteen patients (10.8%) had diabetes and 73 (56.6%) had a BMI (Body Mass Index) >=25 kg/m2. Staphylocccus aureus, enterobacteria or polymicrobial infections were identified in 44.0, 18.0 and 13.0% of cases, respectively. One hundred and six patients (82.2%) and one hundred and twenty-one patients (93.8%) were cured after one DAIR and after two DAIR, respectively. In multivariate logistic analysis, polymicrobial infection was associated with relapse (Odd Ratio [OR] = 3.81; 95%CI: 1.06-13.66; p = .03), while a BMI >=25 kg/m2 was a protective factor (OR =0.25; 95%CI: 0.07-0.89; p = .03). CONCLUSION: DAIR may be effective for PISI when performed within the first 3 months after onset of infection. Relapses are significantly associated with polymicrobial infection and negatively associated with moderate overweight. These results need to be confirmed in future prospective studies. PMID- 27866453 TI - Very rare cause of hemoperitoneum: Ovarian fibroma. PMID- 27866454 TI - The role of thymidylate synthase in non-small cell lung cancer treated with pemetrexed continuation maintenance therapy. AB - Pemetrexed continuation maintenance therapy has been proven to be beneficial for patients with advanced non-squamous non-small cell lung cancer (NSCLC). However, the eligibility criteria for maintenance treatment are too simple. This study sought to evaluate thymidylate synthase (TS) as a predicting biomarker for pemetrexed continuation maintenance treatment in NSCLC. Specimens were collected from 87 patients treated with pemetrexed continuation maintenance therapy before and after four-cycle induction chemotherapy. Real-time quantitative PCR was used to detect TS expression in tissues. The TS expression level was correlated with characteristic clinical data, radiographic response, progression-free time (PFS) and overall survival (OS). Low total TS expression (<8.47) was associated with improved PFS (median: 4.7 months vs. 3.5 months, p = 0.034) and improved OS (time from random assignment: 16.4 months vs. 11.7 months, p = 0.026; time from induction: 19.7 months vs. 14.8 months, p = 0.022). Our results indicate that in NSCLC patients treated with pemetrexed continuation maintenance therapy, low TS expression is associated with improved PFS and OS. PMID- 27866455 TI - Changes in pulsatility and resistance indices of cerebral arteriovenous malformation feeder arteries after embolization and surgery. AB - OBJECTIVES: Embolization reduces flow in cerebral arteriovenous malformations (AVMs) before surgical resection, but changes in pulsatility and resistance indices (PI, RI) are unknown. Here, we measure PI, RI in AVM arterial feeders before and after embolization/surgery. METHODS: Records of patients who underwent AVM embolization and surgical resection at our institution between 2007 and 2014 and had PI, RI, and flows obtained using quantitative magnetic resonance angiography were retrospectively reviewed. PI = [(systolic - diastolic flow velocity)/mean flow velocity] and RI = [(systolic - diastolic flow velocity)/systolic flow velocity]. Hemodynamic parameters were compared between the feeder and contralateral artery before and after embolization/surgery. RESULTS: 38 patients were included (6 embolization only, 24 embolization and surgery, 8 surgery only). After embolization, flow volume rates within feeders decreased significantly (p < 0.001) to match flows in their contralateral counterparts (p = 0.78). On the other hand, mean, systolic, and diastolic flow velocities (p = 0.60, 0.32, 0.34, respectively) as well as PI, RI (p = 0.99, 0.68) did not change significantly after embolization. However, after surgery mean, systolic, and diastolic flow velocities within feeders decreased significantly (p = 0.001, 0.002, 0.001, respectively) and PI, RI normalized to match the indices of their contralateral counterparts (p = 0.46, 0.46). CONCLUSION: Following partial AVM embolization, PI, RI are unchanged and flow velocities in feeder arteries also remain unchanged likely due to redistribution of flow through residual nidus. Thus, staged management of AVMs is unlikely to increase outflow resistance and offers a safe treatment strategy. PMID- 27866457 TI - Motivation in medical education. AB - Motivation is a concept which has fascinated researchers for many decades. The field of medical education has become interested in motivation recently, having always assumed that medical students must be motivated because of their commitment to highly specific training, leading to a very specific profession. However, motivation is a major determinant of the quality of learning and success, the lack of which may well explain why teachers sometimes observe medical students who are discouraged, have lost interest or abandon their studies, with a feeling of powerlessness or resignation. After describing the importance of motivation for learning in medicine, this Guide will define the concept of motivation, setting it within the context of a social cognitive approach. In the second part of this Guide, recommendations are made, based upon the so-called "motivational dynamic model", which provides a multitude of various strategies with positive effects on students' motivation to learn. PMID- 27866456 TI - Comparison of Saudi Arabian hemodialysis and peritoneal dialysis patients' illness perceptions. AB - The clinical outcome of patients with end-stage renal disease (ESRD) may differ according to their beliefs concerning their illness and its treatment. Both the disease itself and negative perceptions of the illness may increase patients' morbidity and mortality. This study aims to compare hemodialysis (HD) and peritoneal dialysis (PD) patients' illness perceptions and their related factors. This cross-sectional comparative study was conducted in five dialysis centers. After excluding patients with psychiatric comorbidities, 342 stable dialysis patients (HD, n = 267; PD, n = 75) completed a demographic questionnaire and the Revised Illness Perception Questionnaire (IPQ-R). The data were analyzed using t tests and ANOVAs. Out of the 342 patients, 53.8% were male and 46.2% were female. Their mean age was 46.1 +/- 16.5 years. Compared to the HD patients, the PD patients perceived their illness to be significantly less chronic (p = .029) and more controllable, whether through personal or treatment control (p = .012, p = .017). Patients' most common cause of attributions were stress, worry, or poor past medical care. PD showed an advantage over HD in terms of perceptions of ESRD chronicity and controllability. Intervention programs targeting illness perception are needed to support dialysis patients. PMID- 27866458 TI - A virilising primary mucinous carcinoid tumour of the ovary in a postmenopausal woman: A diagnostic challenge! PMID- 27866459 TI - Appearance of external genital organs and types of hymen in Turkish female foetal cadavers. AB - The present study's purpose was to determine the size and morphometric development of the female external genital organs on foetal cadavers. Dimensions of labia majora, labia minora and clitoris, bilabial diameter, vertical and horizontal diameters of hymenal opening, distance between the external urethral orifice and hymenal opening, distance between the clitoris and external urethral orifice and anogenital distance were measured. The hymenal types were determined. Mean values of parameters according to gestational weeks, months and trimesters were calculated. Imperforate hymen were determined in the first trimester. Twenty eight foetuses with annular hymen, 25 foetuses with imperforate hymen, and 1 foetus with septated hymen were determined in the second trimester. Twenty-four foetuses with annular hymen, 3 foetuses with imperforate hymen, 1 foetus with fimbriated hymen, and 1 foetus with hymenal tag were determined in the third trimester. All foetuses in the full term were determined with annular hymen. PMID- 27866461 TI - Metabolism, excretion and pharmacokinetics of [14C]glasdegib (PF-04449913) in healthy volunteers following oral administration. AB - 1. The metabolism, excretion and pharmacokinetics of glasdegib (PF-04449913) were investigated following administration of a single oral dose of 100 mg/100 MUCi [14C]glasdegib to six healthy male volunteers (NCT02110342). 2. The peak concentrations of glasdegib (890.3 ng/mL) and total radioactivity (1043 ngEq/mL) occurred in plasma at 0.75 hours post-dose. The AUCinf were 8469 ng.h/mL and 12,230 ngEq.h/mL respectively, for glasdegib and total radioactivity. 3. Mean recovery of [14C]glasdegib-related radioactivity in excreta was 91% of the administered dose (49% in urine and 42% in feces). Glasdegib was the major circulating component accounting for 69% of the total radioactivity in plasma. An N-desmethyl metabolite and an N-glucuronide metabolite of glasdegib represented 8% and 7% of the circulating radioactivity, respectively. Glasdegib was the major excreted component in urine and feces, accounting for 17% and 20% of administered dose in the 0-120 hour pooled samples, respectively. Other metabolites with abundance <3% of the total circulating radioactivity or dose in plasma or excreta were hydroxyl metabolites, a desaturation metabolite, N-oxidation and O glucuronide metabolites. 4. Elimination of [14C]glasdegib-derived radioactivity was essentially complete, with similar contribution from urinary and fecal routes. Oxidative metabolism appears to play a significant role in the biotransformation of glasdegib. PMID- 27866460 TI - Morphine enhances renal cell carcinoma aggressiveness through promotes survivin level. AB - BACKGROUND: Morphine is an opioid analgesic drug often used for pain relief in cancer patients. However, there is growing evidence that morphine may modulate tumor growth, progression and metastasis. Unfortunately, the results obtained by these studies are still contradictory. METHODS: In this study, we investigated the effect of morphine in human clear cell renal cell carcinoma 786-O, RLC-310 cells and whether morphine affects on tumor growth in human clear cell renal cell carcinoma 786-O, RLC-310 cells. The cell proliferation was determined by MTT assay, cell proliferation, migration and invasion assays. Immunofluorescence staining and Q-PCR was used to determine the Survivin expression. RESULTS: It was shown that morphine enhances proliferation of 786-O, RLC-310 cells, whereas morphine promoted the growth and aggressive phenotype of 786-O and RLC-310 cells in vitro though Survivin-dependent signaling. CONCLUSIONS: Our data showed that morphine promotes RCC growth and increases RCC progression via over-expression of Survivin. PMID- 27866462 TI - Prolactinoma and pregnancy - a series of cases including pituitary apoplexy. AB - The objective of this article is to evaluate the impact of pregnancy in women with prolactinoma, the possible consequences of therapy maintenance/discontinuation during pregnancy and to assess the type of delivery and maternal-foetal obstetrical outcome. A retrospective study of all pregnant women with prolactinoma in our Centre between 2006 and 2014 was made. We had 35 cases of pregnant women with prolactinoma, two of which had an episode of pituitary apoplexy during the second trimester. At the time of conception, most women were being treated with 5 mg bromocriptine. The majority of women had suspended medication in the 8th week of gestation. Caesarean rate was 48.6%. The maternal foetal outcome was favourable in all cases. PMID- 27866465 TI - Polyphenol-Rich Foods Alleviate Pain and Ameliorate Quality of Life in Fibromyalgic Women. AB - OBJECTIVES: The present study aimed to describe the antioxidant dietary intake of patients with fibromyalgia and explore the association of the results with glutathione status, pain, quality of life, and socioeconomic status. METHODS: 38 fibromyalgic female patients and 35 female controls (mean age = 48.6 +/- 8.1 and 47.6 +/- 10.0 years, respectively) were evaluated. The number of tender points, pain threshold, quality of life, physical activity, socioeconomic status, nutritional status, intake of antioxidant micronutrients and foods with high total antioxidant capacity, and total salivary glutathione were evaluated. RESULTS: The number of tender points, pain threshold, and quality of life were worse in the fibromyalgia group. The consumption of vegetable juices was more common among women with fibromyalgia and consumption of red wine and beer were more common among healthy women. The adjusted mean intakes of antioxidant vitamins as well as selenium were higher for the control group (p <= 0.01). There was no difference for salivary levels of glutathione between the groups and no correlation for intake of antioxidant micronutrients and pain or quality of life among fibromyalgic women. However, intake of foods rich in polyphenols was associated with lower numbers of tender points (coffee, r = - 0.346; pear, r = - 0.331) and better quality of life (red fruits, r = - 0.342; dark chocolate, r = - 0.404) in the fibromyalgic group. In these women, associations between glutathione levels and food intake, pain or quality of life were not found. CONCLUSION: This study indicated that antioxidant protection from bioactive compounds present in fruit and vegetables could have an adjuvant role in fibromyalgia treatment. PMID- 27866463 TI - Pharmacokinetics, distribution, and disposition of esaxerenone, a novel, highly potent and selective non-steroidal mineralocorticoid receptor antagonist, in rats and monkeys. AB - 1. Esaxerenone (CS-3150) is a novel non-steroidal mineralocorticoid receptor antagonist. The pharmacokinetics, tissue distribution, excretion, and metabolism of esaxerenone were evaluated in rats and monkeys. 2. Following intravenous dosing of esaxerenone at 0.1-3 mg/kg, the total body clearance and the volume of distribution were 3.53-6.69 mL/min/kg and 1.47-2.49 L/kg, respectively, in rats, and 2.79-3.69 mL/min/kg and 1.34-1.54 L/kg, respectively, in monkeys. The absolute oral bioavailability was 61.0-127% in rats and 63.7-73.8% in monkeys. 3. After oral administration of [14C]esaxerenone, the radioactivity was distributed widely to tissues, with the exception of a low distribution to the central nervous system. Both in rats and in monkeys, following oral administration of [14C]esaxerenone the main excretion route of the radioactivity was feces. 4. Five initial metabolic pathways in rats and monkeys were proposed to be N dealkylation, carboxylation, hydroxymethylation, O-glucuronidation, and O sulfation. The oxidized metabolism was predominant in rats, while both oxidation and glucuronidation were predominant in monkeys. PMID- 27866464 TI - Endometriotic cyst fluid induces reactive oxygen species (ROS) in human immortalized epithelial cells derived from ovarian endometrioma. AB - OBJECTIVES: Endometriotic cyst fluid (ECF) contains a large amount of reactive oxygen species (ROS), and endometriotic cysts are exposed to strong oxidative stress, which may cause malignant transformation. In this study, ROS production by ECF was clinically analysed. METHODS: Human immortalized epithelial cells derived from ovarian endometrioma (EMosis-CC/TERT 1) were treated with ECF. In addition, ROS production in EMosis-CC/TERT 1 was measured, and its clinical significance was analysed. RESULTS: A total of 38 ECF samples were obtained from patients diagnosed with endometriotic cysts. In EMosis-CC/TERT1, significantly higher levels of ROS were induced by ECF than by the vehicle control and ferric nitrilotriacetate. There were no significant differences in ROS production by laterality and preoperative serum CA125 values. There were several patients whose cyst sizes were approximately 5 cm and had relatively high ROS production. Production of ROS by ECF was relatively higher in patients older than 40 years of age than in those younger than 40. DISCUSSION: Our study revealed that ROS are highly produced by ECF in EMosis-CC/TERT1 cells; therefore, exposure to ECF induced strong oxidative stress. Development of a therapeutic strategy to reduce ROS production might be useful for preventing malignant transformation of endometriotic cysts. PMID- 27866466 TI - Preventive Effect of Carvacrol Against Oxidative Damage in Aged Rat Liver. AB - The present study was designed to investigate the changes in activities of antioxidant enzymes and lipid peroxidation level in the liver of 2, 10 and 20 months old rats, and to see whether these changes are restored to those of the two month old rats after carvacrol treatment. Male rats of 2, 10, and 20 months (n = 10 for each group) were used for all the experiments. The aged rats (10 and 20 months old) were given carvacrol (15 mg/day per body weight) for 30 days. Control animals received an equal volume of vehicle. After the treatment, livers were removed for estimation of superoxide dismutase-SOD, glutathione-S transferase-GST, catalase-CAT activities and lipid peroxidation level. The present findings determined that normal aging was associated with a significant decrease in the activities of antioxidant enzymes (SOD; 11.87 +/- 0.6 (2 months old) vs 7.56 +/- 0.1 (20 months old); P < 0.001) in liver, as well as an increase in lipid peroxidation level (MDA; 0.15 +/- 0.01 (2 months old) vs 0.41 +/- 0.01 (20 months old); P < 0.001) in aged rats. Also, the results of this study indicated that carvacrol treatment increased the activities of the antioxidant enzymes in 20 months old animals versus the aged matched control group (SOD; 9.87 +/- 0.4; P < 0.01). Furthermore, carvacrol decreased lipid peroxidation content in 10 and 20 months old animals compared with the aged matched control (MDA; 9.87 +/- 0.4; P < 0.001). Our data shows that carvacrol could be a candidate to inhibit the development of age-induced liver damage through inhibition of oxidative stress and also increasing antioxidant defenses. PMID- 27866467 TI - Vitamin D2, Ergosterol, and Vitamin B2 Content in Commercially Dried Mushrooms Marketed in China and Increased Vitamin D2 Content Following UV-C Irradiation. AB - Mushrooms are a great source of vitamin D and vitamin B2; however, the content of these vitamins in dried mushrooms has not fully been investigated. Thus, the objectives of this study were to determine the contents of vitamin D2, ergosterol, and vitamin B2 in commercially dried edible mushrooms in China and to investigate the effect of UV-C irradiation on fresh mushrooms. Among the 35 species of dried mushrooms considered for this study, the average ergosterol content was 1.98 mg/g, while the average vitamin D2 content was 16.88 ug/g. The average vitamin B2 content in dried mushrooms was 12.68 ug/g. Fresh shaggy ink caps and oyster mushrooms, when exposed to UV-C at 254 nm at a dose of 0.25 J/cm2 for 10, 30, and 60 min, showed significantly (p < 0.05) increased vitamin D2 content (229.7 and 67.0 ug/g, respectively) as compared to its fresh counterparts. The conversion of ergosterol to vitamin D2 induced by UV-C irradiation at 0.25 J/cm2 was significant (p < 0.05). In conclusion, dried commercial mushrooms have higher contents of ergosterol and vitamin D2 than fresh mushrooms. UV-C radiation can be used to increase vitamin D2 content in mushrooms. PMID- 27866468 TI - Intratubular disinfection with tri-antibiotic and calcium hydroxide pastes. AB - OBJECTIVE: The aim of this study was to compare the in vitro intradentinal antimicrobial ability of the calcium hydroxide and tri-antibiotic pastes. MATERIALS AND METHODS: Standard bovine dentin tubes were sterilized and then infected with Enterococcus faecalis by a new contamination protocol of great depths of dentin. The specimens were filled with the medications, divided into two test-groups: calcium hydroxide (Group 1) and tri-antibiotic (Group 2) pastes. After 15 days, the teeth were evaluated by microbiological culture and confocal laser scanning microscopy (CLSM) with viability dye assay LIVE/DEAD inside dentinal tubules. In experiment of culture, the bacterial collection of the dentin fragments was done for counting the colony-forming units. RESULTS: The tri antibiotic paste had a slightly greater antimicrobial effect; however, there was no statistical difference between the groups. CONCLUSIONS: It was concluded that the tri-antibiotic paste and the calcium hydroxide paste exercise the same effect on intra-tubular decontamination against E. faecalis. So, due the multiples advantages, the calcium hydroxide paste can be the choice for dentinal decontamination in regenerative procedures. PMID- 27866470 TI - The inevitable colonisation of Singapore by Zika virus. AB - Singapore is endemic for Dengue virus, with approximately 10,000 to 20,000 annual cases reported in recent years. In 2012, Chikungunya was introduced, although the numbers of cases reported is much fewer. The current Zika virus pandemic originating in Brazil represents a threat to all regions with Aedes mosquitoes, particularly those well connected by travellers. In this respect, it was felt inevitable that Singapore would eventually realise its third endemic flavivirus. In late August 2016, a primary care practitioner observed a cluster of geographically linked patients attending with fever and rash. This resulted in the first identification of locally transmitted Zika in Singapore on August 27, 2016. This prompted a robust response in an attempt to stop further spread, which continued for approximately 10 days until a large number of laboratory-confirmed cases were found as a result of active case finding. Surprisingly, the strain was later identified to be of Asian lineage and distinct from that originating in the Americas, prompting speculation over the epidemiology of this under recognised virus in Asia. PMID- 27866469 TI - The effects of percutaneous transluminal coronary intervention on biomarkers of oxidative stress in the erythrocytes of elderly male patients. AB - OBJECTIVES: Oxidative stress plays a key role in the pathogenesis of coronary artery disease. The aim of this study was to compare the effects of percutaneous transluminal coronary angioplasty (PTCA) and elective coronary angiography (EC) on erythrocytic antioxidant defense in elderly male patients. METHODS: Twenty three stable angina pectoris (SAP) patients undergoing PTCA and 18 patients with ischemic symptoms scheduled to undergo diagnostic EC were included in the study. The concentrations of malondialdehyde (MDA) and reduced glutathione (GSH) and the activities of Zn,Cu-superoxide dismutase (SOD-1), catalase (CAT), and cytosolic glutathione peroxidase (GSH-Px) were examined in the erythrocytes before, immediately after and 2 weeks following PTCA or EC. RESULTS: The MDA concentrations were significantly higher and SOD-1, CAT, and GSH-Px activities were significantly lower in the PTCA group than in the EC group at baseline. Two weeks after treatment, the activities of the enzymes significantly increased in both groups, whereas the MDA concentrations decreased only in the PTCA patients. CONCLUSIONS: The results confirm that an advanced state of atherosclerosis is related to greater levels of oxidative stress. The study indicates that both procedures may induce antioxidant defenses; however, PTCA exclusively induces a long-term reduction in lipid peroxidation. PMID- 27866471 TI - Distal renal tubular acidosis without renal impairment after use of tenofovir: a case report. AB - BACKGROUND: Tenofovir, one of antiretroviral medication to treat human immunodeficiency virus (HIV) infection, is known to cause proximal renal tubular acidosis such as Fanconi syndrome, but cases of distal renal tubular acidosis had never been reported. CASE PRESENTATION: A 20-year-old man with HIV infection developed nausea and vomiting without diarrhea after starting antiretroviral therapy. Arterial blood gas revealed non-anion-gap metabolic acidosis and urine test showed positive urine anion gap. Tenofovir, one of antiretroviral medicine the patient received, was considered to be the cause of this acidosis and all antiretroviral drugs were discontinued. Symptoms disappeared promptly without recurrence of symptoms after resuming antiretroviral medications without tenofovir. CONCLUSION: Distal renal tubular acidosis caused by tenofovir, without renal impairment is very rare. Since causes of nausea and vomiting among HIV/AIDS patients are very diverse, awareness of this phenomenon is useful in diagnosing and managing the problem. PMID- 27866472 TI - Outcomes measures in a decade of dementia and mild cognitive impairment trials. AB - BACKGROUND: In a research study, to give a comprehensive evaluation of the impact of interventions, the outcome measures should reflect the lived experience of the condition. In dementia studies, this necessitates the use of outcome measures which capture the range of disease effects, not limited to cognitive functioning. In particular, assessing the functional impact of cognitive impairment is recommended by regulatory authorities, but there is no consensus on the optimal approach for outcome assessment in dementia research. Our aim was to describe the outcome measures used in dementia and mild cognitive impairment (MCI) intervention studies, with particular interest in those evaluating patient centred outcomes of functional performance and quality of life. METHODS: We performed a focused review of the literature with multiple embedded checks of internal and external validity. We used the Cochrane Dementia and Cognitive Improvement Group's register of dementia studies, ALOIS. ALOIS was searched to obtain records of all registered dementia and MCI intervention studies over a 10 year period (2004-2014). We included both published and unpublished materials. Outcomes were categorised as cognitive, functional, quality of life, mood, behaviour, global/disease severity and institutionalisation. RESULTS: From an initial return of 3271 records, we included a total of 805 records, including 676 dementia trial records and 129 MCI trial records. Of these, 78 % (630) originated from peer-reviewed publications and 60 % (487) reported results of pharmacological interventions. Cognitive outcomes were reported in 70 % (563), in contrast with 29 % (237) reporting measures of functional performance and only 13 % (102) reporting quality of life measures. We identified significant heterogeneity in the tools used to capture these outcomes, with frequent use of non-standardised tests. CONCLUSIONS: This focus on cognitive performance questions the extent to which intervention studies for dementia are evaluating outcome measures which are relevant to individual patients and their carers. The heterogeneity in measures, use of bespoke tools and poor descriptions of test strategy all support the need for a more standardised approach to the conduct and reporting of outcomes assessments. PMID- 27866473 TI - Top 100 cited articles in cardiovascular magnetic resonance: a bibliometric analysis. AB - BACKGROUND: With limited health care resources, bibliometric studies can help guide researchers and research funding agencies towards areas where reallocation or increase in research activity is warranted. Bibliometric analyses have been published in many specialties and sub-specialties but our literature search did not reveal a bibliometric analysis on Cardiovascular Magnetic Resonance (CMR). The main objective of the study was to identify the trends of the top 100 cited articles on CMR research. METHODS: Web of Science (WOS) search was used to create a database of all English language scientific journals. This search was then cross-referenced with a similar search term query of Scopus(r) to identify articles that may have been missed on the initial search. Articles were ranked by citation count and screened by two independent reviewers. RESULTS: Citations for the top 100 articles ranged from 178 to 1925 with a median of 319.5. Only 17 articles were cited more than 500 times, and the vast majority (n = 72) were cited between 200-499 times. More than half of the articles (n = 52) were from the United States of America, and more than one quarter (n = 21) from the United Kingdom. More than four fifth (n = 86) of the articles were published between the time period 2000-2014 with only 1 article published before 1990. Circulation and Journal of the American College of Cardiology made up more than half (n = 62) of the list. We found 10 authors who had greater than 5 publications in the list. CONCLUSION: Our study provides an insight on the characteristics and quality of the most highly cited CMR literature, and a list of the most influential references related to CMR. PMID- 27866475 TI - An Increase in Healthcare-Associated Clostridium difficile Infection Associated with Use of a Defective Peracetic Acid-Based Surface Disinfectant. AB - BACKGROUND We investigated an increase in the incidence of healthcare-associated Clostridium difficile infection (CDI) that occurred following a change from a bleach disinfectant to a peracetic acid-based disinfectant. OBJECTIVE To evaluate the efficacy of the peracetic acid-based disinfectant. DESIGN Laboratory-based product evaluation. METHODS The commercial peracetic acid-based product is activated on site by mixing a small volume of concentrated hydrogen peroxide and peracetic acid present in a "SmartCap" reservoir with the remaining contents of the container. We measured concentrations of peracetic acid in newly activated and in-use product and determined the stability of nonactivated and activated product. We tested the efficacy of the product against C. difficile spores using the American Society for Testing and Materials standard quantitative carrier disk test method. RESULTS Measured concentrations of peracetic acid (50-800 parts per million [ppm]) were significantly lower than the level stated on the product label (1,500 ppm), and similar results were obtained for containers from multiple lot numbers and from another hospital. Product with peracetic acid levels below 600 ppm had significantly reduced activity against C. difficile spores. Peracetic acid concentrations were reduced markedly after storage of either activated or nonactivated product for several weeks. The Environmental Protection Agency confirmed the finding of low disinfectant levels and ordered discontinuation of sale of the product. CONCLUSION Use of a defective peracetic acid-based surface disinfectant may have contributed to an increase in healthcare-associated CDI. Our findings highlight the importance of evaluating the efficacy of liquid disinfectants in healthcare settings. Infect Control Hosp Epidemiol 2017;38:300 305. PMID- 27866474 TI - Heme oxygenase-1-transduced bone marrow mesenchymal stem cells in reducing acute rejection and improving small bowel transplantation outcomes in rats. AB - BACKGROUND: We determined whether bone marrow mesenchymal stem cells (BMMSCs) transduced with heme oxygenase-1 (HO-1), a cytoprotective and immune-protective factor, could improve outcomes for small bowel transplantation (SBTx) in rats. METHODS: We performed heterotopic SBTx from Brown Norway rats to Lewis rats, before infusing Ad/HO-1-transduced BMMSCs (Ad/HO-1/BMMSCs) through the superficial dorsal veins of the penis. Respective infusions with Ad/BMMSCs, BMMSCs, and normal saline served as controls. The animals were sacrificed after 1, 5, 7, or 10 days. At each time point, we measured small bowel histology and apoptosis, HO-1 protein and mRNA expression, natural killer (NK) cell activity, cytokine concentrations in serum and intestinal graft, and levels of regulatory T (Treg) cells. RESULTS: The saline-treated control group showed aggravated acute cellular rejection over time, with mucosal destruction, increased apoptosis, NK cell activation, and upregulation of proinflammatory and immune-related mediators. Both the Ad/BMMSC-treated group and the BMMSC-treated group exhibited attenuated acute cellular rejection at an early stage, but the effects receded 7 days after transplantation. Strikingly, the Ad/HO-1/BMMSC-treated group demonstrated significantly attenuated acute cellular rejection, reduced apoptosis and NK cell activity, and suppressed concentrations of inflammation and immune related cytokines, and upregulated expression of anti-inflammatory cytokine mediators and increased Treg cell levels. CONCLUSION: Our data suggest that Ad/HO 1-transduced BMMSCs have a reinforced effect on reducing acute rejection and protecting the outcome of SBTx in rats. PMID- 27866477 TI - Cross-reactivity of the 31 kDa antigen of Angiostrongylus cantonensis - Dealing with the immunodiagnosis of meningoencephalitis. AB - The primary causative agent of eosinophilic meningoencephalitis (EoM) in endemic regions is the nematode Angiostrongylus cantonensis. The occurrence of EoM was previously restricted to countries in Southeast Asia and the Pacific Islands; however, more recently, it has been reported from other regions, including Brazil. The commonly used diagnosis is detection of specific antibody reactivity to the 31 kDa antigen, which is derived from female worm somatic extracts. Here we report the occurrence of cross-reactivity to this antigen in sera from other parasitic infections, especially those that may cause EoM, such as gnathostomiasis, toxocariasis, hydatidosis and strongyloidiasis. We also demonstrated that the cross-reactivity, in part, is dependent of the concentration of antigen used in Western blot assays. We discuss the importance of these findings on the interpretation of this test. PMID- 27866479 TI - Consumption of fruits and vegetables among adolescents: a multi-national comparison of eleven countries in the Eastern Mediterranean Region. AB - A regional cross-country profile of fruit and vegetable (F&V) consumption is lacking in the Eastern Mediterranean Region (EMR). This study examines the prevalence of and differences in consumption of F&V >=5 times/d among adolescents in eleven EMR countries, and describes differences in the proportions of taking F&V >=5 times/d by sex, age and BMI. The study included 26 328 school adolescents (13-15 years) with complete data on consumption of F&V, age, sex, weight and height taken from the Global School-based Student Health Survey conducted in the EMR between 2005 and 2009. Overall, only 19.4 % of adolescents reported consuming F&V >=5 times/d. The highest prevalence was reported in Djibouti (40.4 %) and the lowest was reported in Pakistan (10.0 %). Statistically significant differences in prevalence were observed across countries (P<0.05). With the exception of Oman, Libya and Djibouti, significantly more males than females ate F&V >=5 times/d. The proportion of students consuming F&V >=5 times/d also varied significantly in all countries based on BMI (P<0.0001), with students within normal BMI having the highest frequency. A negative trend was observed between age and intake of F&V >=5 times/d in most of the eleven EMR countries except Jordan, Djibouti and Morocco. The prevalence of adequate intake of F&V is low in the eleven EMR countries. There is a need for interventions to increase the prevalence of adolescents consuming F&V >=5 times/d. Interventions should take into consideration the psychosocial, environmental and socio-environmental factors influencing F&V intake within countries. PMID- 27866480 TI - Consumption of nutritional pellets with Duddingtonia flagrans fungal chlamydospores reduces infective nematode larvae of Haemonchus contortus in faeces of Saint Croix lambs. AB - Two groups of six Haemonchus contortus infected Saint Croix lambs each received different diets for 11 weeks: control group, commercial food, molasses and lucerne hay; and treated group, nutritional pellets (NPs) containing Duddingtonia flagrans at 2 * 106 chlamydospores/kg body weight (BW), sorghum and lucerne hay. Mean BW gain (BWG), body condition score (BCS) and packed cell volume (PCV) and also eggs/g of faeces (EPG) and recovered L3 were compared using a repeated measures across time model. Groups had similar BWG (control 139.7 +/- 0.035 g/day and treated 167.7 +/- 0.041 g/day), BCS (control 3.6 +/- 0.39 and treated 3.4 +/- 0.46) and PCV (control 32.5 +/- 1.68% and treated 30.0 +/- 1.68%). The mean EPG of the control group was 1215 +/- 1040 and in the treated group it was 2097.91 +/ 2050. No reduction in larval population was observed during weeks 2 and 3. The greatest larval population reduction in the faeces of treated lambs was observed during the first week (70.5%) and from weeks 6 to 11, with a mean value close to 70% (P < 0.05). In general, both experimental groups showed a similar feed conversion. It was concluded that both diets resulted in similar lamb growth, PCV, BCS and H. contortus EPG. However, NP consumption significantly reduced the H. contortus L3 population in lamb faeces. PMID- 27866481 TI - Effect of inoculum age and physical parameters on in vitro culture of the entomopathogenic nematode Steinernema feltiae. AB - Entomopathogenic nematodes (EPNs) of the families Steinernematidae and Heterorhabditidae have a symbiotic association with bacteria which makes them virulent against insects. EPNs have been mass produced using in vivo and in vitro methods, including both solid and liquid fermentation. This study assessed the effect of nematode inoculum age on the production of Steinernema feltiae in liquid, solid and biphasic processes. Several physical parameters were also assessed: the effect of medium viscosity, flask size and aeration speed on the recovery and yield of infective juveniles (IJs). Inoculum age treatments included inoculum liquid cultures that were 7, 14, 21 and 28 days old. Nematodes from the same inoculum were added to one liquid medium (liquid culture), one solid medium with bacteria previously grown in sponge (solid culture) and a variation of the solid medium (a biphasic culture), in which the bacteria were first grown in liquid and, then, soaked into the sponges, with the purpose of providing a more homogeneous bacterial culture before nematode inoculation. Experiments were conducted in Erlenmeyer flasks. Eight treatments were established involving combinations of three variables: two media (with and without 0.2% agar), two flask sizes (250 and 150 ml) and two agitation speeds (180 and 280 rpm). The study showed increases in nematode yield for liquid cultures, but not for solid or biphasic cultures, with the advance of the inoculum age up to 28 days of growth. Furthermore, the addition of 0.2% agar to the liquid medium and increasing the aeration rate by using larger flasks with higher agitation speed may increase nematode recovery and final yield. The experiments were conducted using shake flasks but the results may also be applicable for bioreactors. PMID- 27866478 TI - Evaluating drug resistance in visceral leishmaniasis: the challenges. AB - For decades antimonials were the drugs of choice for the treatment of visceral leishmaniasis (VL), but the recent emergence of resistance has made them redundant as first-line therapy in the endemic VL region in the Indian subcontinent. The application of other drugs has been limited due to adverse effects, perceived high cost, need for parenteral administration and increasing rate of treatment failures. Liposomal amphotericin B (AmB) and miltefosine (MIL) have been positioned as the effective first-line treatments; however, the number of monotherapy MIL-failures has increased after a decade of use. Since no validated molecular resistance markers are yet available, monitoring and surveillance of changes in drug sensitivity and resistance still depends on standard phenotypic in vitro promastigote or amastigote susceptibility assays. Clinical isolates displaying defined MIL- or AmB-resistance are still fairly scarce and fundamental and applied research on resistance mechanisms and dynamics remains largely dependent on laboratory-generated drug resistant strains. This review addresses the various challenges associated with drug susceptibility and resistance monitoring in VL, with particular emphasis on the choice of strains, susceptibility model selection and standardization of procedures with specific read-out parameters and well-defined threshold criteria. The latter are essential to support surveillance systems and safeguard the limited number of currently available antileishmanial drugs. PMID- 27866476 TI - The impact of education, country, race and ethnicity on the self-report of postpartum depression using the Edinburgh Postnatal Depression Scale. AB - BACKGROUND: Universal screening for postpartum depression is recommended in many countries. Knowledge of whether the disclosure of depressive symptoms in the postpartum period differs across cultures could improve detection and provide new insights into the pathogenesis. Moreover, it is a necessary step to evaluate the universal use of screening instruments in research and clinical practice. In the current study we sought to assess whether the Edinburgh Postnatal Depression Scale (EPDS), the most widely used screening tool for postpartum depression, measures the same underlying construct across cultural groups in a large international dataset. METHOD: Ordinal regression and measurement invariance were used to explore the association between culture, operationalized as education, ethnicity/race and continent, and endorsement of depressive symptoms using the EPDS on 8209 new mothers from Europe and the USA. RESULTS: Education, but not ethnicity/race, influenced the reporting of postpartum depression [difference between robust comparative fit indexes (?*CFI) 0.01), but not between European countries (?*CFI < 0.01). CONCLUSIONS: Investigators and clinicians should be aware of the potential differences in expression of phenotype of postpartum depression that women of different educational backgrounds may manifest. The increasing cultural heterogeneity of societies together with the tendency towards globalization requires a culturally sensitive approach to patients, research and policies, that takes into account, beyond rhetoric, the context of a person's experiences and the context in which the research is conducted. PMID- 27866483 TI - Wild and vaccine-derived poliovirus circulation, and implications for polio eradication. AB - Polio cases due to wild virus are reported by only three countries in the world. Poliovirus type 2 has been globally eradicated and the last detection of poliovirus type 3 dates to November 2012. Poliovirus type 1 remains the only circulating wild strain; between January and September 2016 it caused 26 cases (nine in Afghanistan, 14 in Pakistan, three in Nigeria). The use of oral polio vaccine (OPV) has been the key to success in the eradication effort. However, paradoxically, moving towards global polio eradication, the burden caused by vaccine-derived polioviruses (VDPVs) becomes increasingly important. In this paper circulation of both wild virus and VDPVs is reviewed and implications for the polio eradication endgame are discussed. Between April and May 2016 OPV2 cessation has been implemented globally, in a coordinated switch from trivalent OPV to bivalent OPV. In order to decrease the risk for cVDPV2 re-emergence inactivated polio vaccine (IPV) has been introduced in the routine vaccine schedule of all countries. The likelihood of re-emergence of cVDPVs should markedly decrease with time after OPV cessation, but silent circulation of polioviruses cannot be ruled out even a long time after cessation. For this reason, immunity levels against polioviruses should be kept as high as possible in the population by the use of IPV, and both clinical and environmental surveillance should be maintained at a high level. PMID- 27866482 TI - Insight as a social identity process in the evolution of psychosocial functioning in the early phase of psychosis. AB - BACKGROUND: Awareness of illness (insight) has been found to have contradictory effects for different functional outcomes after the early course of psychosis. Whereas it is related to psychotic symptom reduction and medication adherence, it is also associated with increased depressive symptoms. In this line, the specific effects of insight on the evolution of functioning over time have not been identified, and social indicators, such as socio-occupational functioning have barely been considered. Drawing from social identity theory we investigated the impact of insight on the development of psychosocial outcomes and the interactions of these variables over time. METHOD: The participants, 240 patients in early phase of psychosis from the Treatment and Early Intervention in Psychosis Program (TIPP) of the University Hospital of Lausanne, Switzerland, were assessed at eight time points over 3 years. Cross-lagged panel analyses and multilevel analyses were conducted on socio-occupational and general functioning [Social and Occupational Functioning Assessment Scale (SOFAS) and Global Assessment of Functioning (GAF)] with insight, time and depressive symptoms as independent variables. RESULTS: Results from multilevel analyses point to an overall positive impact of insight on psychosocial functioning, which increases over time. Yet the cross-lagged panel analysis did not reveal a systematic positive and causal effect of insight on SOFAS and GAF scores. Depressive symptoms seem only to be relevant in the beginning of the treatment process. CONCLUSIONS: Our results point to a complex process in which the positive impact of insight on psychosocial functioning increases over time, even when considering depressive symptoms. Future studies and treatment approaches should consider the procedural aspect of insight. PMID- 27866484 TI - Exploring DSM-5 ADHD criteria beyond young adulthood: phenomenology, psychometric properties and prevalence in a large three-decade birth cohort. AB - BACKGROUND: There are still uncertainties on the psychometric validity of the DSM 5 attention deficit hyperactivity disorder (ADHD) criteria for its use in the adult population. We aim to describe the adult ADHD phenotype, to test the psychometric properties of the DSM-5 ADHD criteria, and to calculate the resulting prevalence in a population-based sample in their thirties. METHOD: A cross-sectional evaluation using the DSM-5 ADHD criteria was carried out in 3574 individuals from the 1982 Pelotas Birth Cohort. Through receiver operator curve, latent and regression analyses, we obtained parameters on construct and discriminant validity. Still, prevalence rates were calculated for different sets of criteria. RESULTS: The latent analysis suggested that the adult ADHD phenotype is constituted mainly by inattentive symptoms. Also, inattention symptoms were the symptoms most associated with impairment. The best cut-off for diagnosis was four symptoms, but sensitivity and specificity for this cut-off was low. ADHD prevalence rates were 2.1% for DSM-5 ADHD criteria and 5.8% for ADHD disregarding age-of-onset criterion. CONCLUSIONS: The bi-dimensional ADHD structure proposed by the DSM demonstrated both construct and discriminant validity problems when used in the adult population, since inattention is a much more relevant feature in the adult phenotype. The use of the DSM-5 criteria results in a higher prevalence of ADHD when compared to those obtained by DSM-IV, and prevalence would increase almost threefold when considering current ADHD syndrome. These findings suggest a need for further refinement of the criteria for its use in the adult population. PMID- 27866485 TI - Determinants of the nurses' and nursing assistants' request for antipsychotics for people with dementia. AB - BACKGROUND: Although physicians are responsible for writing the antipsychotic prescriptions for patients with dementia, the initiative is often taken by nurses or nursing assistants. To reduce antipsychotics uses, one needs to understand the reasons for nurses and nursing assistants to request them. This study gives an overview of the influencing factors for this request based on the Theory of Planned Behavior in which attitude, beliefs, and behavioral control is thought to influence the intention to request, which in turn affects the behavior to request for a prescription. METHODS: Eighty-one nurses and nursing assistants of one Dutch nursing home organization completed an online survey. RESULTS: Nurses and nursing assistants frequently agreed on items related to the positive effects of antipsychotics for the resident and for the staff. Nurses and nursing assistants with a lower job satisfaction were more likely to call for antipsychotics. Having more positive beliefs about treatment effects and feel of being more in control toward asking for antipsychotics were positively associated with intention to call. All variables explained 59% of the variance of intention. The current position (nurse/nursing assistant) was associated with actual behavior to call. The explained variance was 25%. CONCLUSIONS: Policy-makers should focus on the nurses' and nursing assistants' belief in positive effects of antipsychotics for the resident, which is not in line with available evidence. Nurses and nursing assistants should be educated about the limited effectiveness of antipsychotics. PMID- 27866487 TI - Tuberculosis infection testing in HIV-positive men who have sex with men from Xi'an China. AB - In individuals with latent tuberculosis (TB) infection, those living with human immunodeficiency virus (HIV) had a 20-37 times higher risk of developing active TB compared to those without HIV infection. Systematic testing and treatment of latent TB infection are priorities in HIV-infected persons. In China, the prevalence of HIV infection in men who have sex with men (MSM) has gradually increased in the past decade. However, the prevalence of TB infection has been studied sparsely in HIV-infected MSM. Hence, we conducted a pilot study in MSM living with HIV infection in Xi'an city to evaluate TB infection status by means of interferon-gamma release assay (IGRA). A total of 182 HIV-infected MSM were included in this study, the prevalence of IGRA positivity was observed to be 8.79% (16/182). IGRA quantitative results were not statistically influenced by the CD4 cell counts of the study participants. However, IGRA positivity was found to be lower than our previously reported data from the general population. This suggests that immunological deficiency might decrease the sensitivity of IGRA and thus increase the number of false negatives. Our primary results, suggesting systematic testing and treatment of latent TB infection together with active case finding, were equally important for TB control in persons living with HIV infection. PMID- 27866486 TI - The effects of cannabis use on salience attribution: a systematic review. AB - OBJECTIVE: The relationship between cannabis use and the onset of psychosis is well established. Aberrant salience processing is widely thought to underpin many of these symptoms. Literature explicitly investigating the relationship between aberrant salience processing and cannabis use is scarce; with those few studies finding that acute tetrahydrocannabinol (THC) administration (the main psychoactive component of cannabis) can result in abnormal salience processing in healthy cohorts, mirroring that observed in psychosis. Nevertheless, the extent of and mechanisms through which cannabis has a modulatory effect on aberrant salience, following both acute and chronic use, remain unclear. METHODS: Here, we systematically review recent findings on the effects of cannabis use - either through acute THC administration or in chronic users - on brain regions associated with salience processing (through functional MRI data); and performance in cognitive tasks that could be used as either direct or indirect measures of salience processing. We identified 13 studies either directly or indirectly exploring salience processing. Three types of salience were identified and discussed - incentive/motivational, emotional/affective, and attentional salience. RESULTS: The results demonstrated an impairment of immediate salience processing, following acute THC administration. Amongst the long-term cannabis users, normal salience performance appeared to be underpinned by abnormal neural processes. CONCLUSIONS: Overall, the lack of research specifically exploring the effects of cannabis use on salience processing, weaken any conclusions drawn. Additional research explicitly focussed on salience processing and cannabis use is required to advance our understanding of the neurocognitive mechanisms underlying the association between cannabis use and development of psychosis. PMID- 27866488 TI - Disposable Bronchoscope Model for Simulating Endoscopic Reprocessing and Surveillance Cultures. AB - BACKGROUND Endoscope-associated infections are reported despite following proper reprocessing methods. Microbiological testing can confirm the adequacy of endoscope reprocessing. Multiple controversies related to the method and interpretation of microbiological testing cultures have arisen that make their routine performance a complex target. OBJECTIVE We conducted a pilot study using disposable bronchoscopes (DBs) to simulate different reprocessing times and soaking times and to compare high-level disinfection versus ethylene oxide sterilization. We also reviewed the time to reprocessing and duration of the procedures. METHODS Bronchoscopes were chosen because an alternative disposable scope is commercially available and because bronchoscopes are more prone to delays in processing. Disposable bronchoscopes were contaminated using a liquid bacterial suspension and were then incubated for 1-4 hours. Standard processing and high-level disinfection were performed on 36 endoscopes. Ethylene oxide sterilization was performed on 21 endoscopes. Endoscope cultures were performed using the standard "brush, flush, brush" technique. RESULTS After brushing was performed, a final water-flush culture procedure was the most effective method of detecting bacterial persistence on the disposable scopes. Klebsiella pneumoniae was the most commonly recovered organism after reprocessing. Ethylene oxide sterilization did not result in total elimination of viable bacteria. CONCLUSION Routine endoscopy cultures may be required to assess the adequacy of endoscopic processing. Infect Control Hosp Epidemiol 2017;38:136-142. PMID- 27866489 TI - Exploring genotype concordance in epidemiologically linked cases of tuberculosis in New York City. AB - Comparing genotype results of tuberculosis (TB) isolates from individuals diagnosed with TB can support or refute transmission; however, these conclusions are based upon the criteria used to define a genotype match. We used a genotype match definition which allowed for variation in IS6110 restriction fragment length polymorphism (RFLP) to support transmission between epidemiologically linked persons. Contacts of individuals with infectious TB (index cases) diagnosed in New York City from 1997 to 2003 who subsequently developed TB (contact cases) from 1997 to 2007 were identified. For each contact case and index case (case-pair), isolate genotypes (spoligotype and RFLP results) were evaluated. Isolates from case-pairs were classified as exact or non-exact genotype match. Genotypes from non-exact match case-pairs were reviewed at the genotyping laboratory to determine if the isolates met the near-genotype-match criteria (exactly matching spoligotype and similar RFLP banding patterns). Of 118 case-pairs identified, isolates from 83 (70%) had exactly matching genotypes and 14 (12%) had nearly matching genotypes (supporting transmission), while the remaining 21 (18%) case-pairs had discordant genotypes (refuting transmission). Using identical genotype-match criteria for isolates from case-pairs epidemiologically linked through contact investigation may lead to underestimation of transmission. TB programmes should consider the value of expanding genotype-match criteria to more accurately assess transmission between such cases. PMID- 27866491 TI - Conducting longitudinal, process-oriented research with conflict-affected youth: Solving the inevitable challenges. AB - The reader might get the impression that the four projects described in this Special Section proceeded in a systematic and predictable way. Of course, those of us engaged in each research project encountered pitfalls and challenges along the way. A main goal of this Special Section is to provide pathways and encouragement for those who may be interested in advancing high-quality research on this topic. In this paper, we describe a set of practical and ethical challenges that we encountered in conducting our longitudinal, process-oriented, and translational research with conflict-affected youth, and we illustrate how problems can be solved with the goal of maintaining the internal and external validity of the research designs. We are hopeful that by describing the challenges of our work, and how we overcame them, which are seldom treated in this or any other literature on research on child development in high-risk contexts, we can offer a realistic and encouraging picture of conducting methodologically sound research in conflict-affected contexts. PMID- 27866490 TI - MULTILEVEL LINEAR REGRESSION ANALYSIS OF FACTORS INFLUENCING BODY MASS INDEX AMONG BANGLADESHI MARRIED NON-PREGNANT WOMEN. AB - The aim of this study was to investigate the socioeconomic and demographic factors influencing the body mass index (BMI) of non-pregnant married Bangladeshi women of reproductive age. Secondary (Hierarchy) data from the 2011 Bangladesh Demographic and Health Survey, collected using two-stage stratified cluster sampling, were used. Two-level linear regression analysis was performed to remove the cluster effect of the variables. The mean BMI of married non-pregnant Bangladeshi women was 21.60+/-3.86 kg/m2, and the prevalence of underweight, overweight and obesity was 22.8%, 14.9% and 3.2%, respectively. After removing the cluster effect, age and age at first marriage were found to be positively (p<0.01) related with BMI. Number of children was negatively related with women's BMI. Lower BMI was especially found among women from rural areas and poor families, with an uneducated husband, with no television at home and who were currently breast-feeding. Age, total children ever born, age at first marriage, type of residence, education level, level of husband's education, wealth index, having a television at home and practising breast-feeding were found to be important predictors for the BMI of married Bangladeshi non-pregnant women of reproductive age. This information could be used to identify sections of the Bangladeshi population that require special attention, and to develop more effective strategies to resolve the problem of malnutrition. PMID- 27866492 TI - Predictive modelling of Ross River virus notifications in southeastern Australia. AB - Ross River virus (RRV) is a mosquito-borne virus endemic to Australia. The disease, marked by arthritis, myalgia and rash, has a complex epidemiology involving several mosquito species and wildlife reservoirs. Outbreak years coincide with climatic conditions conducive to mosquito population growth. We developed regression models for human RRV notifications in the Mildura Local Government Area, Victoria, Australia with the objective of increasing understanding of the relationships in this complex system, providing trigger points for intervention and developing a forecast model. Surveillance, climatic, environmental and entomological data for the period July 2000-June 2011 were used for model training then forecasts were validated for July 2011-June 2015. Rainfall and vapour pressure were the key factors for forecasting RRV notifications. Validation of models showed they predicted RRV counts with an accuracy of 81%. Two major RRV mosquito vectors (Culex annulirostris and Aedes camptorhynchus) were important in the final estimation model at proximal lags. The findings of this analysis advance understanding of the drivers of RRV in temperate climatic zones and the models will inform public health agencies of periods of increased risk. PMID- 27866493 TI - Dietary DHA and health: cognitive function ageing. AB - DHA is a key nutritional n-3 PUFA and needs to be supplied by the human diet. DHA is found in significant amounts in the retinal and neuronal cell membranes due to its high fluidity. Indeed, DHA is selectively concentrated in the synaptic and retinal membranes. DHA is deemed to display anti-inflammatory properties and to reduce the risk of CVD. Consumption of larger amounts of DHA appears to reduce the risk of depression, bipolar disorder, schizophrenia and mood disorders. Conversely, it has been shown that loss of DHA from the nerve cell membrane leads to dysfunction of the central nervous system in the form of anxiety, irritability, susceptibility to stress, dyslexia, impaired memory and cognitive functions, and extended reaction times. DHA plays an important role in ensuring a healthy ageing, by thwarting macular degeneration, Alzheimer's disease, and other brain disorders at the same time as enhancing memory and strengthening neuroprotection in general. A reduced level of DHA is associated with cognitive decline during ageing. Different mechanisms for this fundamental DHA role have been put forward. Namely, neuroprotectin D1, a DHA derivative, may support brain cell survival and repair through neurotrophic, anti-apoptotic, and anti inflammatory signalling. Many of the effects of DHA on the neurological system may be related to signalling connections, thus leading to the study of the related signalolipidomics. Therefore, the present review will focus on the influence of DHA deficiency upon ageing, with specific emphasis upon neurological disorders related to cognitive function and mental health. PMID- 27866495 TI - Commentary on Sharma et al. PMID- 27866494 TI - Brucellosis as a neglected disease in a neglected population: a seroepidemiological study of migratory nomads in the Fars province of Iran. AB - This study assessed the seroprevalence of brucellosis and its risk factors in migratory nomads in the Fars province of Iran. Active brucellosis was defined as the combination of clinical symptoms, including fever, chills, night sweats, headache, low back pain, arthralgia, or myalgia, and positive laboratory testing, including either a serum agglutination test (SAT) ?1:80 with a 2-mercaptoethanol (2-ME) test ?1:40, or a SAT <1:80 combined with a positive Coombs Wright test (CWT) at a titre of at least threefold higher than SAT titre results. For the 536 participants, the female (316, 59%) to male (220, 41%) ratio was 1.4 and the participants' mean age was 32.4 +/- 18.9 (range 1-96) years. Of all participants, 325 (60.6%) showed clinical symptoms; in symptomatic participants, the Rose Bengal plate test was positive in 33 (6.1%) cases, the SAT was positive in 18 (3.3%) cases, and the 2-ME test was positive in 30 (5.5%) cases. Positive SAT and 2-ME results were seen in 18 (3.3%) cases, but a negative SAT and a positive CWT were found in 36 (6.7%) cases. As a result, active brucellosis was detected in 54 cases, indicating a prevalence of 10% (95% confidence interval 8-12). In conclusion, we determined that brucellosis is a prevalent yet neglected disease in this nomadic population. Brucellosis control is not possible as long as these high-risk populations remain neglected. PMID- 27866496 TI - Building a translational science on children and youth affected by political violence and armed conflict: A commentary. AB - Articles in this timely Special Section represent an important milestone in the developmental science on children and youth involved in political violence and armed conflict. With millions of children worldwide affected by past and present wars and conflicts, there is an urgent and growing need for research to inform efforts to understand, prevent, and mitigate the possible harm of such violence to individual children, families, communities, and societies, for present as well as future generations. The four programs of research highlighted in this Special Section illustrate key advances and challenges in contemporary development research on young people growing up in the midst or aftermath of political violence. These studies are longitudinal, methodologically sophisticated, and grounded in socioecological systems models that align well with current models of risk and resilience in developmental psychopathology. These studies collectively mark a critically important shift to process-focused research that holds great promise for translational applications. Nonetheless, given the scope of the international crisis of children and youth affected by political violence and its sequelae, there is an urgent global need for greater mobilization of resources to support translational science and effective evidence-based action. PMID- 27866497 TI - Neurodevelopmental outcomes in infants exposed in utero to antipsychotics: a systematic review of published data. AB - The proportion of pregnancies exposed to either second-generation antipsychotics (SGAs) or first-generation antipsychotics (FGAs) varies between 0.3%-2% of all pregnancies, but, until now, little is known about the potential neurobehavioral teratogenicity of antipsychotics. Assessing this safety facet is the aim of this article. PubMed, Scopus, and Google Scholar were searched for eligible articles. PubMed (1954 to May 2016) was searched using several medical subject headings, variously combined. PubMed search results were also limited using the search filter for human studies published in English. Scopus and Google Scholar searches were filtered for article title (antipsychotics/neuroleptics, pregnancy). After excluding duplicates, 9,250 articles were identified and 29 met the following inclusion criteria: only articles that provided original/primary data on neurodevelopmental outcome in human offspring older than 4 months of age, independently of the study design, were selected for review. Indeed, some relevant neurodevelopmental milestones are achieved at this time. Length of study and neurodevelopmental assessment methodology did not influence the study selection. Unfortunately, published data on neurodevelopmental teratogenicity of SGAs mainly derive from case reports and small case-series studies. Even findings emerging from case-control and prospective/retrospective studies are of limited clinical relevance because of their small sample sizes. Limited data are also available on FGAs. Hence, we have to conclude that the long-term neurodevelopmental outcomes for children exposed in utero remain unclear. Low to very low quality evidence of retrieved data makes impossible to confirm or exclude potential long-lasting untoward effects on infant neurocognitive development associate with antenatal exposure to either SGAs or FGAs. PMID- 27866498 TI - Emotional insecurity about the community: A dynamic, within-person mediator of child adjustment in contexts of political violence. AB - Over 1 billion children worldwide are exposed to political violence and armed conflict. The current conclusions are qualified by limited longitudinal research testing sophisticated process-oriented explanatory models for child adjustment outcomes. In this study, consistent with a developmental psychopathology perspective emphasizing the value of process-oriented longitudinal study of child adjustment in developmental and social-ecological contexts, we tested emotional insecurity about the community as a dynamic, within-person mediating process for relations between sectarian community violence and child adjustment. Specifically, this study explored children's emotional insecurity at a person oriented level of analysis assessed over 5 consecutive years, with child gender examined as a moderator of indirect effects between sectarian community violence and child adjustment. In the context of a five-wave longitudinal research design, participants included 928 mother-child dyads in Belfast (453 boys, 475 girls) drawn from socially deprived, ethnically homogenous areas that had experienced political violence. Youth ranged in age from 10 to 20 years and were 13.24 (SD = 1.83) years old on average at the initial time point. Greater insecurity about the community measured over multiple time points mediated relations between sectarian community violence and youth's total adjustment problems. The pathway from sectarian community violence to emotional insecurity about the community was moderated by child gender, with relations to emotional insecurity about the community stronger for girls than for boys. The results suggest that ameliorating children's insecurity about community in contexts of political violence is an important goal toward improving adolescents' well-being and adjustment. These results are discussed in terms of their translational research implications, consistent with a developmental psychopathology model for the interface between basic and intervention research. PMID- 27866499 TI - Commentary on Huesmann et al. PMID- 27866500 TI - Coping and mental health outcomes among Sierra Leonean war-affected youth: Results from a longitudinal study. AB - This study explored how coping with war-related traumatic events in Sierra Leone impacted mental health outcomes among 529 youth (aged 10-17 at baseline; 25% female) using longitudinal data from three time points (Time 1 in 2002, Time 2 in 2004, and Time 3 in 2008). We examined two types of coping items (approach and avoidance); used multiple regression models to test their relations with long term mental health outcomes (internalizing behaviors, externalizing behaviors, adaptive/prosocial behaviors, and posttraumatic stress symptoms); and used mediation analyses to test whether coping explained the relation between previous war exposures (being raped, death of parent(s), or killing/injuring someone during the war) and those outcomes. We found that avoidance coping items were associated with lower internalizing and posttraumatic stress behaviors at Time 3, and provided some evidence of mediating the relation between death of parent(s) during the war and the two outcomes mentioned above. Approach coping was associated with higher Time 3 adaptive/prosocial behaviors, whereas avoidance coping was associated with lower Time 3 adaptive/prosocial behaviors. Avoidance coping may be a protective factor against mental illness, whereas approach coping may be a promotive factor for adaptive/prosocial behaviors in war-affected societies. This study has important implications for designing and implementing mental health interventions for youth in postconflict settings. PMID- 27866501 TI - Promoting children's learning and development in conflict-affected countries: Testing change process in the Democratic Republic of the Congo. AB - Improving children's learning and development in conflict-affected countries is critically important for breaking the intergenerational transmission of violence and poverty. Yet there is currently a stunning lack of rigorous evidence as to whether and how programs to improve learning and development in conflict-affected countries actually work to bolster children's academic learning and socioemotional development. This study tests a theory of change derived from the fields of developmental psychopathology and social ecology about how a school based universal socioemotional learning program, the International Rescue Committee's Learning to Read in a Healing Classroom (LRHC), impacts children's learning and development. The study was implemented in three conflict-affected provinces of the Democratic Republic of the Congo and employed a cluster randomized waitlist control design to estimate impact. Using multilevel structural equation modeling techniques, we found support for the central pathways in the LRHC theory of change. Specifically, we found that LRHC differentially impacted dimensions of the quality of the school and classroom environment at the end of the first year of the intervention, and that in turn these dimensions of quality were differentially associated with child academic and socioemotional outcomes. Future implications and directions are discussed. PMID- 27866502 TI - Dysphoric mania, mixed states, and mania with mixed features specifier: are we mixing things up? AB - Various terms have been used to describe mania when it is accompanied by depressive symptoms. In this article, we attempt to define and discuss 3 of these terms: dysphoric mania, mixed state, and mania with mixed features specifier. We conclude that whatever term is used, it is important to be aware that mania is more often unpleasant than pleasant, and that the unpleasantness is not limited to depression. PMID- 27866503 TI - Controlling feeding practices and maternal migrant background: an analysis of a multicultural sample. AB - OBJECTIVE: Parental feeding practices shape children's relationships with food and eating. Feeding is embedded socioculturally in values and attitudes related to food and parenting. However, few studies have examined associations between parental feeding practices and migrant background. DESIGN: Cross-sectional study. Parental feeding practices (restriction, pressure to eat, monitoring) were assessed using the Child Feeding Questionnaire. Differences were explored in four sub-samples grouped by maternal place of birth: Sweden, Nordic/Western Europe, Eastern/Southern Europe and countries outside Europe. Crude, partly and fully adjusted linear regression models were created. Potential confounding variables included child's age, gender and weight status, and mother's age, weight status, education and concern about child weight. SETTING: Malmo and Stockholm, Sweden. SUBJECTS: Mothers (n 1325, representing seventy-three countries; mean age 36.5 years; 28.1 % of non-Swedish background; 30.7 % with overweight/obesity; 62.8 % with university education) of pre-school children (mean age 4.8 years; 50.8 % boys; 18.6 % with overweight/obesity). RESULTS: Non-Swedish-born mothers, whether European-born or non-European-born, were more likely to use restriction. Swedish born mothers and Nordic/Western European-born mothers reported lower levels of pressure to eat compared with mothers born in Eastern/Southern Europe and mothers born outside Europe. Differences in monitoring were small. Among the potential confounding variables, child weight status and concern about child weight were highly influential. Concern about child weight accounted for some of the effect of maternal origin on restriction. CONCLUSIONS: Non-European-born mothers were more concerned about children being overweight and more likely to report controlling feeding practices. Future research should examine acculturative and structural factors underlying differences in feeding. PMID- 27866504 TI - Oxytocin Reduces Face Processing Time but Leaves Recognition Accuracy and Eye Gaze Unaffected. AB - OBJECTIVES: Previous studies have found that oxytocin (OXT) can improve the recognition of emotional facial expressions; it has been proposed that this effect is mediated by an increase in attention to the eye-region of faces. Nevertheless, evidence in support of this claim is inconsistent, and few studies have directly tested the effect of oxytocin on emotion recognition via altered eye-gaze Methods: In a double-blind, within-subjects, randomized control experiment, 40 healthy male participants received 24 IU intranasal OXT and placebo in two identical experimental sessions separated by a 2-week interval. Visual attention to the eye-region was assessed on both occasions while participants completed a static facial emotion recognition task using medium intensity facial expressions. RESULTS: Although OXT had no effect on emotion recognition accuracy, recognition performance was improved because face processing was faster across emotions under the influence of OXT. This effect was marginally significant (p<.06). Consistent with a previous study using dynamic stimuli, OXT had no effect on eye-gaze patterns when viewing static emotional faces and this was not related to recognition accuracy or face processing time. CONCLUSIONS: These findings suggest that OXT-induced enhanced facial emotion recognition is not necessarily mediated by an increase in attention to the eye region of faces, as previously assumed. We discuss several methodological issues which may explain discrepant findings and suggest the effect of OXT on visual attention may differ depending on task requirements. (JINS, 2017, 23, 23-33). PMID- 27866505 TI - Ultrastructural Localization of Intracellular Calcium During Spermatogenesis of Sterlet (Acipenser ruthenus). AB - Calcium regulates many intracellular events such as growth and differentiation during different stages of gamete development. The aim of this study was to localize and quantify the intracellular distribution of calcium during different developmental stages of spermatogenesis in sterlet, Acipenser ruthenus, using a combined oxalate-pyroantimonate technique. The distribution of calcium was described in spermatogonium, spermatocyte, spermatid, and spermatozoon stages. In the spermatogonium and spermatocyte, calcium deposits were mainly localized in the nucleus and cytoplasm. The spermatid had calcium in the nucleus, developing acrosomal vesicle, and cytoplasm. Intracellular calcium transformed from scattered deposits in spermatogonia and spermatocyte stages into an unbound form in spermatid and the spermatozoon. The proportion of area covered by calcium increased significantly (p<0.05) from early to late stages of spermatogenesis. The largest proportion of area covered by calcium was observed in the nucleus of the spermatozoon. In conclusion, although most of the intracellular calcium is deposited in limited areas of the spermatogonium and spermatocyte, it is present an unbound form in the larger area of spermatids and spermatozoa which probably reflects changes in its physiological function and homeostasis during the process of male gamete production in spermatogenesis. PMID- 27866506 TI - The surprising blindness in modern psychiatry: do guidelines really guide? PMID- 27866508 TI - New directions for psychiatric rehabilitation in the USA. AB - American researchers have led the world in developing, evaluating, and disseminating evidence-based psychiatric rehabilitation practices for people with serious mental illness. Paradoxically, however, the USA lags behind most industrialized nations in providing access to high-quality mental health and psychiatric services. This essay examines several evidence-based practices developed in the USA, the spread of these practices, the barriers to ensuring availability to people who could benefit from these services, and some promising directions for overcoming the barriers. Factors influencing the growth and sustainment of effective client-centred practices include the availability of adequate and stable funding, committed leadership, and the influence of vested interests. Two strategies for promoting the spread and sustainment of well implemented evidence-based practices are the adoption of fidelity scales and learning communities. PMID- 27866507 TI - Simulation and Web-based learning increases utilization of Bier block for forearm fracture reduction in the pediatric emergency department. AB - OBJECTIVES: Bier block (BB) is a safe and effective alternative to procedural sedation for analgesia during forearm fracture reductions, yet remains infrequently used in the pediatric emergency department (PED). No standardized methods of BB training have previously been described. The objective of this study was to determine whether a multimodal instructional course increases comfort with BB and translates to increased use of this technique. METHODS: A novel interdisciplinary simulation and Web-based training course was developed to teach the use of BB for forearm fracture reduction at a tertiary PED. Participants were surveyed pre-/post-training, and at 2 and 6 months regarding their comfort with BB. In parallel, we prospectively assessed the clinical use of BB for children ages 6 to 18 years requiring closed reduction of forearm fractures during the 24-month post-course period. RESULTS: Course participation included 26 physicians and 12 nurses. Survey response rate was 100%. Course participation increased both comfort (10% pre-training v. 89% post-training, p<0.001) and the willingness to use BB (51% pre-training v. 95% post-training, p<0.001), an effect sustained at 6 months post-course (66% and 92%, respectively, p<0.001 for both). In clinical practice, there were no BBs performed prior to course administration. We observed a consistent and sustained increase in clinical use among the BB-trained physicians, with 37% of all forearm reductions performed using BB at 24 months post-course completion. CONCLUSIONS: A novel combined simulation and Web-based training course increased comfort and willingness to use BB and was associated with increased use of this technique for forearm fracture reduction in the PED. PMID- 27866509 TI - Assistive Technology and Older Adults in Disasters: Implications for Emergency Management. AB - This article identifies concepts, trends, and policy gaps in the availability and service delivery of assistive technology utilized by older adults in disasters, as well as implications for emergency management planning and shelter administration. Definitions of types of assistive technology, as well as views of older adults using technology as at-risk individuals for emergency management service provision, are provided. An overview of peer-reviewed articles and gray literature is conducted, focusing on publications from 2001 to the present in the United States. Analytical frameworks used by emergency management organizations as well as regulations such as the Americans with Disabilities Act and recent court decisions on emergency shelter accessibility in disasters are reviewed. Research on the use of assistive technology by older adults during disasters is a neglected issue. The current and potential benefits of defining standards for provision and use of assistive technology for older adults during disasters has received limited recognition in emergency management planning. Older adults with disabilities utilize assistive technology to maintain their independence and dignity, and communities as well as emergency services managers need to become more aware of the needs and preferences of these older adults in their planning processes and drills as well as in service delivery during actual events. (Disaster Med Public Health Preparedness. 2017;11:135-139). PMID- 27866510 TI - Cancer incidence in young and middle-aged people with schizophrenia: nationwide cohort study in Taiwan, 2000-2010. AB - AIMS: For nearly a century, the incidence of cancer in people with schizophrenia was lower than in the general population. In the recent decade, the relationship between cancer and schizophrenia has become obscured. Thus, we investigated the cancer risk among young and middle-aged patients with schizophrenia. METHODS: Records of newly admitted patients with schizophrenia (n = 32 731) from January 2000 through December 2008 were retrieved from the Psychiatric Inpatient Medical Claims database in Taiwan, and the first psychiatric admission of each patient during the same period was defined as the baseline. We obtained 514 incident cancer cases that were monitored until December 2010. Standardised incidence ratios (SIRs) were calculated to compare the risk of cancer between those with schizophrenia and the general population. Stratified analyses of cancer incidences were performed by gender, site of cancers and duration since baseline (first psychiatric admission). RESULTS: The incidence of cancer for all sites was slightly higher than that of the general population for the period (SIR = 1.15 [95% CI 1.06-1.26], p = 0.001). Men had a significantly higher incidence of colorectal cancer (SIR = 1.48 [95% CI 1.06-2.06], p = 0.019). Women had a higher incidence of breast cancer (SIR = 1.47 [95% CI 1.22-1.78], p < 0.001). Intriguingly, the risk for colorectal cancer was more pronounced 5 years after the first psychiatric admission rather than earlier (SIR = 1.94 [1.36-2.75], p < 0.001) and so was the risk for breast cancer (SIR = 1.85 [1.38-2.48], p < 0.001). The cancer incidence was higher in patients with schizophrenia contradicting the belief that schizophrenia was protective of cancers. CONCLUSIONS: Our analyses suggest that men and women with schizophrenia were more vulnerable to certain types of cancers, which indicates the need for gender-specific cancer screening programs. The fact that risk of colorectal cancer was more pronounced 5 years after the first psychiatric admission could imply the impact of unhealthy lifestyles or the possibility of delayed diagnoses. PMID- 27866511 TI - Impaired phagocytosis of apoptotic cells causes accumulation of bone marrow derived macrophages in aged mice. AB - Accumulation of tissue macrophages is a significant characteristic of disease associated chronic inflammation, and facilitates the progression of disease pathology. However, the functional roles of these bone marrow-derived macrophages (BMDMs) in aging are unclear. Here, we identified agedependent macrophage accumulation in the bone marrow, showing that aging significantly increases the number of M1 macrophages and impairs polarization of BMDMs. We found that age related dysregulation of BMDMs is associated with abnormal overexpression of the anti-inflammatory interleukin-10. BMDM dysregulation in aging impairs the expression levels of pro-inflammatory cytokines and genes involved in B-cell maturation and activation. Phagocytosis of apoptotic Jurkat cells by BMDMs was reduced because of low expression of phagocytic receptor CD14, indicating that increased apoptotic cells may result from defective phagocytosis of apoptotic cells in the BM of aged mice. Therefore, CD14 may represent a promising target for preventing BMDM dysregulation, and macrophage accumulation may provide diagnostic and therapeutic clues. [BMB Reports 2017; 50(1): 43-48]. PMID- 27866514 TI - [Paraneoplastic Leukocytosis and Thrombocytosis as Prognostic Biomarkers in Non small Cell Lung Cancer]. AB - BACKGROUND: Search for inexpensive laboratory markers have identified associations between blood counts and lung cancer outcomes. In this study, we evaluated the prognostic value of paraneoplastic leukocytosis (p-Leukocytosis) and paraneoplastic thrombocytosis (p-Thrombocytosis) in patients with non-small cell lung cancer (NSCLC). We also studied their relation to the expression of commonly detected molecular markers. METHODS: We conducted a retrospective chart review on 571 consecutive NSCLC patients over a 10 year period. Blood counts were recorded at the time of cancer diagnosis. Kaplan-Meier survival curves were used to compare overall survival (OS) between patients with and without p-Leukocytosis (or) p-Thrombocytosis (p-Leuko/Thrombocytosis). Cox regression was used to determine if leukocytosis/thrombocytosis was a predictor of OS in NSCLC. RESULTS: Patients with p-Leukocytosis and p-Thrombocytosis had a significantly poorer survival compared patients with normal blood counts (P<0.001). In a multivariate survival analysis, both continued to correlate even when adjusted for histology, gender, stage and chemotherapy (P<0.01, 0.03 respectively). Stage I and II NSCLC with p-Leuko/Thrombocytosis did not perform poorly compared to stage I/II NSCLC patients without paraneoplasia. Patients with the combined leukothrombocytosis syndrome did not have worse outcomes compared to those with either paraneoplastic syndrome alone. CONCLUSIONS: p-Leuko/Thrombocytosis is an accessible laboratory parameter of prognostic value in NSCLC. Evidence of p-Leuko/Thrombocytosis portends poor survival. The role of various cytokines in tumor pathobiology provides a rationale for identifying cytokine factors responsible for the paraneoplasia and administering anti-cytokine therapies alongside traditional chemotherapy in an attempt to improve survival outcomes in these subset of patients. PMID- 27866512 TI - Age-related epigenetic regulation in the brain and its role in neuronal diseases. AB - Accumulating evidence indicates many brain functions are mediated by epigenetic regulation of neural genes, and their dysregulations result in neuronal disorders. Experiences such as learning and recall, as well as physical exercise, induce neuronal activation through epigenetic modifications and by changing the noncoding RNA profiles. Animal models, brain samples from patients, and the development of diverse analytical methods have broadened our understanding of epigenetic regulation in the brain. Diverse and specific epigenetic changes are suggested to correlate with neuronal development, learning and memory, aging and age-related neuronal diseases. Although the results show some discrepancies, a careful comparison of the data (including methods, regions and conditions examined) would clarify the problems confronted in understanding epigenetic regulation in the brain. [BMB Reports 2016; 49(12): 671-680]. PMID- 27866513 TI - [Experts Consensus on Huisheng Oral Solution for Lung Cancer ?Anticoagulation Treatment at Perioperation Period (2016 version)]. PMID- 27866515 TI - [Outcomes and Toxicity of Concurrent Radiotherapy with Carboplatin/Paclitaxel ?Administrated Every Three Weeks in Inoperable Advanced ?Non-small Cell Lung Cancer: ?A Retrospective Study from A Single Center]. AB - BACKGROUND: Standard care for patients with inoperable advanced non-small cell lung cancer (NSCLC) is concurrent chemoradiotherapy. The ideal concurrent chemotherapy regimen has not been determined. The aim of this study is to retrospectively analyze the efficacy and safety of concurrent radiotherapy with carboplatin/paclitaxel administrated every three weeks (PC three-week regimen) in inoperable advanced NSCLC and compare them with the results of cisplatin/etoposide. METHODS: The 43 patients with inoperable advanced NSCLC receiving concurrent chemotherapy in Peking Union Medical College Hospital from January 2012 to June 2014 were enrolled and analyzed. Of them, 15 patients received carboplatin/paclitaxel with concurrent thoracic radiotherapy; the other 28 patients received cisplatin/etoposide. Clinical characteristic, efficacy and toxicity data were compared in these two groups. RESULTS: For the overall population, the objective response rate (ORR) and disease control rate (DCR) were 41.9% and 90.7% respectively. The median progression free survival (PFS) was 10.6 months (95%CI: 7.4-13.8). And the median overall survival (OS) was 19.2 months (95%CI: 15.3-23.1). There were no significant differences in response rates (ORR: 33.3% vs 46.4%; DCR: 86.7% vs 92.9%, P=0.638), PFS (6.6 months vs 12.2 months, P=0.389), or OS (16.1 months vs 22.1 months, P=0.555) in either group. The adverse events were generally manageable and no treatment-related deaths occurred. CONCLUSIONS: Compared with PE, PC three-week regimen concurrent thoracic radiotherapy for inoperable advanced NSCLC has the similar efficacy and acceptable toxicity profile, which can be used in clinical setting. PMID- 27866516 TI - [GSI Quantitative Parameters: Preoperative Diagnosis of Metastasis Lymph Nodes in Lung Cancer]. AB - BACKGROUND: Mediastinal involvement in lung cancer is an important prognostic factor affecting survival, and accurate staging of the mediastinum lymph node correctly identifies patients who can benefit the most from surgery. The aim of this study is to investigate the value of dual-energy spectral computed tomography (DEsCT) imaging in differentiating metastatic from non-metastatic lymph nodes in lung cancer. METHODS: Forty-eight patients with non-small cell lung cancer (NSCLC) underwent arterial (AP) and portal venous (PP) phase contrast enhanced DEsCT imaging followed by surgical treatment. gemstone spectral imaging (GSI) data images were reconstructed and transmitted to an offline workstation. GSI quantitative parameters, including lymph-node size, CT value, IC, water concentration, and spectral curve. Differences were tested for statistical significance using the two-sample t test. ROC analysis was performed to assess diagnostic performance. RESULTS: The mean short-axis diameter of metastatic LNs, slope of the spectral Hounsfield unit curve (lambdaHU), normalized iodine concentration measured during, and both AP and PP were significantly higher in metastatic lymph node than that in benign lymph nodes. The best parameter for detecting metastatic lymph nodes was AP lambdaHU when a threshold lambdaHU of 2.75 was used; sensitivity, specificity, and accuracy were 88.2%, 88.4%, and 87.0%, respectively. CONCLUSIONS: Quantitative assessment with gemstone spectral imaging quantitative parameters showed higher accuracy than the qualitative assessment of conventional CT imaging features for the preoperative diagnosis of metastatic lymph nodes in patients with lung cancer.?. PMID- 27866517 TI - [Impact and Effect of Preoperative Short-term Pulmonary Rehabilitation Training on ?Lung Cancer Patients with Mild to Moderate Chronic Obstructive Pulmonary Disease: ?A Randomized Trial]. AB - BACKGROUND: Pulmonary rehabilitation (PR) is proposed as an effective strategy to decrease surgical morbidity. However, appropriate rehabilitation plan, initiation time, and optimal duration of PR remain unclear. Lung cancer patients with chronic obstructive pulmonary disease (COPD) are considered high-risk population for postoperative pulmonary complications (PPCs) because of poor lung fitness and cardiopulmonary endurance. This study aims to assess the impact of a one-week, systematic and highly-intensive rehabilitation on surgical lung cancer patients with mild to moderate COPD. METHODS: A randomized controlled trial with 48 subjects was conducted (24 patients each for the intervention and groups). The intervention group received seven days of systematic, integrated and highly intensive PR before surgical treatment, including: pharmacotherapy with atomizing terbutaline, pulmicort and infusion of ambroxol; and physical rehabilitation with respiratory training and endurance training. The control group underwent standard preoperative care. RESULTS: For the intervention group, the postoperative length of stay was shorter [(6.17+/-2.91) d vs (8.08+/-2.21) d; P=0.013]; likewise for the duration of antibiotics use [(3.61+/-2.53) d vs (5.36+/-3.12) d; P=0.032]. No significant difference was found between the groups in total in-hospital cost [(46,455.6+/-5,080.9) Y vs (45,536.0+/-4,195.8) Y, P=0.498], medicine cost [(7,760.3+/-2,366.0) vs (6,993.0+/-2,022.5), P=0.223], and material cost [(21,155.5+/-10,512.1) Y vs (21,488.8+/-3,470.6) Y, P=0.883]. In the intervention group, peak expiratory flow [(268.40+/-123.94) L/min vs (343.71+/-123.92) L/min; P<0.001], 6-min walk distance (6-MWD) [(595.42+/-106.74) m vs (620.90+/-99.27) m; P=0.004], and energy consumption [(59.93+/-10.61) kcal vs (61.03+/-10.47) kcal; P=0.004] were statistically different after the seven-day exercise, compared with those on the first day. Finally, for the intervention group the incidence of PPCs (8.3%, 2/24 vs 20.8%, 5/24, 20.8%; P=0.416) were lower. CONCLUSIONS: The systematic and highly-intensive pulmonary rehabilitation combining abdominal respiration training, respiratory exercise with incentive spirometry, and aerobic exercise could improve the cardiorespiratory endurance of lung cancer patients with mild to moderate COPD. The proposed program may be a practicable preoperative strategy.?. PMID- 27866518 TI - [Expression of LncRNA AK09398 and Relationship with Prognosis in Patients with Small Cell Lung Cancer]. AB - BACKGROUND: Small cell lung cancer (SCLC) accounts for approximately 15% of lung cancer. The poor prognosis of SCLC patients is attributed to the early blood and lymph node metastasis. However, the mechanism of SCLC is still unclear. Recent studies show that LncRNA plays an important role in the development, metastasis, and apoptosis of tumor. Thus, the present study aimed to investigate the expression and clinical significance of LncRNA AK09398 in SCLC. METHODS: Quantitative reverse transcription polymerase chain reaction (qRT-PCR) was used to detect the expression of LncRNA AK09398 in 118 cases of SCLC and non-cancerous tissues. qRT-PCR was also utilized to analyze the relationship between the expression and clinical pathological characteristics and prognosis of SCLC. RESULTS: The expression of LncRNA AK09398 in lung cancer tissues was (7.813+/ 0.373). This value was significantly increased in paracarcinoma tissues (1.782+/ 0.116) and normal lung tissues (1.209+/-0.200). The difference was statistically significant (F=58.41, P<0.001). AK09398 expression was positively correlated with disease stage, lymph node and distant metastasis, chemosensitivity, and survival status (P<0.05). However, AK09398 expression was not associated with gender and age (P>0.05). Kaplan-Meier analysis demonstrated that high expression level of AK09398 contributed to poor overall survival (P<0.001) and progression-free survival (P<0.001). The multivariate survival analysis also indicated that AK09398 expression, disease stage, and distant metastasis could be independent prognostic markers. CONCLUSIONS: LncRNA AK09398 is involved in the development of SCLC and can be used as a molecular marker to evaluate the prognosis of SCLC.?. PMID- 27866519 TI - [Role of Fucosylation in Cancer]. AB - Fucosylation is one of the most important glycosylation in mamal, involving biosynthesis of blood H antigen and Lewis antigen, selectin mediated intravasion and homing of leukocyte, host-microbe interactions, modification of signaling. Alterations in the expression of fucosylated oligosaccharides have been observed in several cancer, playing a role in proliferation, invasion, metastasis, immune escape and drug-sensitiity, especially in lung cancer. Targeting the abnormality of fucosylaion in cancer will become a new strategy. The role of fucosylation in cancer will be reviewed in this article. PMID- 27866520 TI - [Research Advancement on EGFR Mutation Detection of Cell-free DNA and Tumor Cell in Peripheral Blood of Patients with Non-small Cell Lung Cancer]. AB - Non-small cell lung cancer (NSCLC) is the most common type of lung cancer. Epideral growth factor receptor tyrosine kinase inhibitors (EGFR-TKIs) are the most important treatments currently for advanced NSCLC patients harboring activating EGFR gene mutations, and achieve significant clinical efficacy. T790M mutation occurs in half of NSCLC patents with acquired EGFR-TKI resistance. Screening for EGFR gene mutations in histological and/or circulating tumor cell or DNA samples of NSCLC patients can identify patients who would have a response to EGFR-TKIs or acquire resistance during the treatment. Quantitative analysis of plasma EGFR mutation is of great importance not only in early diagnosis of tumors, but also in curative effect evaluation and for follow-up. However, a strict requirement is proposed on the detection technique because of low DNA content and the fragmentation of the genes. To date, many methods have been applied to detect cfDNA EGFR mutations, including sequencing, real-time PCR (RT PCR), amplification refractory mutation system (ARMS), mutant-enriched PCR (ME PCR), denaturing high-performance liquid chromatography (DHPLC), digital PCR, and droplet digital PCR (ddPCR). However, of all the methods above, ddPCR has the highest sensitivity, allows high throughput operation. In conclusion, the ddPCR has a lot of future promise in clinical gene diagnosis. PMID- 27866521 TI - [Progressions on Diagnosis and Treatment of Ground-glass Opacity]. AB - Pulmonary ground-glass opacity (GGO) has raised increasing attention of clinical oncologists and thoracic surgeons in recent years. GGO appears as hazy increased opacity of lung, with preservation of bronchial and vascular margins. GGO is less opaque than consolidation, in which bronchovascular margins are obscured. In most cases, GGOs are indolent, while in other cases, they may grow malignant. This pattern makes it difficult to find a standard way to treat patients with GGO. Moreover, with the improvement of technology, more and more GGOs are found in patients' computed tomgraphy (CT) scan, making it a global problem. In the literature, many clinicians have reported their findings on this topic from histologic, radiologic and therapeutic perspectives. In this study, we reviewed the development on this topic in recent 10 years. We hope our study can be helpful for clinicians to better understand this problem, collect more data in their clinical work and most importantly, let evidence guide our future therapeutic choices. PMID- 27866525 TI - [Peripheral T cell lymphoma treatment in the precision medicine era]. PMID- 27866522 TI - [Research Progress of Exosomes in Lung Cancer Diagnosis and Treatment]. AB - As the leading cause of morbidity and cancer related-death worldwide, lung cancer has a serious threat to human health. Exosomes are nanoscale lipid membrane vesicles derived from multivesicles, which containing active biomolecules including proteins, lipids, nucleic acids and etc. Exosomes play important roles in lung cancer initiation and progression by promoting the formation of tumor microenvironment, enhancing tumor invasive and metastasis capability, leading to immunosuppression and resistance to chemoradiotherapy, and also have the application value in early diagnosis and treatment. This review summarizes the research progress of exosomes in tumor initiation and progression, and its roles in diagnosis and treatment of lung cancer. PMID- 27866526 TI - [Decipher the 2016 revision of the World Health Organization classification of lymphoid neoplasms]. PMID- 27866523 TI - [Progress on the Therapeutic Approaches for Malignant Tumor ?with Superior Vena Cava Syndrome]. AB - Patients with thoracic malignant tumors often suffered from superior vena cava syndrome (SVCS), featured by high morbidity and mortality. Traditionally treated with palliative approaches, SVCS has been widely studied and novel therapeutic approaches have been investigated, focusing on drug therapy, interventional therapy, radiation therapy, surgery and proton therapy. In this manuscript, the progress of therapeutic approaches for SVCS is summarized. PMID- 27866524 TI - [Effect and Significance of BIM on Non-small Cell Lung Cancer]. AB - B-cell lymphoma 2 interacting mediator of cell death (BIM) plays an important role in the progress of cell apoptosis. The lowering expression level or functional defect of which may have an negative effect on the efficacy of anticancer drugs and the prognosis of postoperative patients with non-small cell lung cancer (NSCLC). This review aims to summarize the structure and function of BIM, as well as the relationship between BIM and the therapeutic efficacy of NSCLC. PMID- 27866527 TI - [Association between daytime sleepiness and hypertension among patients with obstructive sleep apnea-hypopnea syndrome]. AB - Objective: To assess the association between daytime sleepiness and hypertension among patients with obstructive sleep apnea-hypopnea syndrome (OSAHS). Methods: A total of 1 958 patients from Sleep Medicine Center of West China Hospital between January 2015 and January 2016 were included in the study. All subjects underwent one night polysomnography (PSG) and Epworth sleep scale (ESS) was estimated. The patients were divided into non-OSAHS group[apnea-hypopnea index (AHI)<5/h]and OSAHS group (AHI>=5/h) based on PSG, and then OSAHS group was further divided into those with and without daytime sleepiness groups according to ESS score (the cut point of ESS was 14). The association between blood pressure and risk of suffering from hypertension among patients with different degree of daytime sleepiness was explored by binary logistic regression. Results: There were 1 580 men and 378 women among the included patients, the mean age was (44.3+/-11.6) years old and the mean body mass index (BMI) was (26.4+/-3.8) kg/m2. Among these patients, there were 267 non-OSAHS and 1 691 OSAHS patients (1 275 without daytime sleepiness and 416 with daytime sleepiness). The prevalence of hypertension was higher among OSAHS patients (53.9%vs 28.8%) than non-OSAHS group, and OSAHS patients had higher systolic blood pressure (SBP)[(126.3+/-0.4) vs (116.3+/-4.9) mmHg], diastolic blood pressure (DBP)[(82.4+/-0.3) vs (78.1+/ 3.7) mmHg]and mean arterial pressure (MAP)[(97.0+/-0.3) vs (90.9+/-3.9) mmHg]than non-OSAHS group. And OSAHS with daytime sleepiness also had elevated DBP[(84.5+/ 0.6) vs (81.7+/-0.3) mmHg]and MAP[(98.8+/-0.6) vs (96.5+/-0.3) mmHg]than those without sleepiness (all P<0.05). After controlling for age, sex, BMI, smoking, drinking, AHI and related sleep parameters, OSAHS combined with daytime sleepiness increased the odds of hypertension by 23% (OR=1.23, 95% CI: 1.01-1.65) compared to OSAHS without daytime sleepiness. Conclusion: The daytime sleepiness is an independent risk factor of hypertension in OSAHS patients. PMID- 27866528 TI - [Effect of non-invasive NAVA on the patients with acute exacerbation of chronic obstructive pulmonary disease]. AB - Objective: To observe the effect of non-invasive neurally adjusted ventilatory assist (NIV-NAVA) on patient-ventilator synchrony and effect of gas exchange in patients with acute exacerbation of chronic obstructive pulmonary disease compared with NIV-pressure support ventilation (PSV). Methods: This was a prospective study of 40 patients with AECOPD given 30-min trials of NIV with NIV PSV group (n=20) and NAVA group (n=20) in random order. Arterial blood gas analysis (ABGs), main asynchrony events and asynchrony index were quantified. Results: There were no significant difference between the two groups on effect of gas exchange (P>0.05). Main asynchrony events during NIV-NAVA including autotriggering, ineffective efforts and double triggering were less frequent than NIV-PSV (P<0.05). The trigger delay in the NIV-NAVA group was markedly shorter than the NIV-PSV (62.20+/-8.91 vs 112.65+/-15.10)ms (P<0.001). The inspiratory/expiratory off-cycle delay was significantly shorter in the NIV-PSV group than that in the NIV-NAVA group (73.00+/-18.27 vs 187.95+/-39.24)ms (P<0.001). The occurrence of severe asynchrony (AI>10%) was also less under NAVA (P<0.05). Conclusions: Both NIV-NAVA and NIV-PSV can improve gas exchange. As compared with NIV-PSV, NIV-NAVA can reduce main asynchrony events, improve patient-ventilator synchrony in patients with AECOPD. PMID- 27866529 TI - [A Fisher discriminant model to predict the outcome of postoperative blood pressure in primary aldosteronism]. AB - Objective: To establish a Fisher discriminant model in order to predict the outcome of postoperative blood pressure for primary aldosteronism (PA). Methods: A total of 83 cases from the First Affiliated Hospital of Chongqing Medical University were enrolled and divided into two groups: cure group and not cure group according to postoperative blood pressure. Fisher stepwise discriminant analysis was used to establish a discriminant model, and compared with aldosteronoma resolution score (ARS) and nomogram model by receiver operating characteristic curve. Results: Hypertension was cured in 52 cases, and 31 cases remained uncured. Patients in uncured group were older, and had bigger body mass index (BMI), longer duration of hypertension, higher serum triglyceride (TG), more types of antihypertensive drug, higher incidence of diabetes, smoking and alcohol intake, less typical nodules on computed tomography imaging, lower estimated glomerular filtration rate (eGFR) and high density lipoprotein cholesterol. The discriminant model based on BMI, types of antihypertensive drugs, typical nodules on CT, eGFR and TG was established and the cut-off value was 0.195 9, with a sensitivity of 86.5% and a specificity of 83.9%. The area under the curve was 0.857 (95% CI: 0.764-0.951), which was higher than that of ARS (0.733, 95% CI: 0.619-0.847) and the nomogram model (0.735, 95% CI: 0.619 0.851). Conclusion: The Fisher discriminant model had a high value to predict the outcome of postoperative blood pressure in PA. PMID- 27866530 TI - [Comparison of the prognosis after hepatic resection for patients with Barcelona Clinical Liver Cancer Stage B hepatocellular carcinoma]. AB - Objective: To compare the efficacy of hepatic resection (HR) in patients with Barcelona Clinical Liver Cancer (BCLC) Stage B hepatocellular carcinoma (HCC) and examine how that efficacy has changed over time in a large medical center. Methods: A consecutive sample of 918 patients with preserved liver function and large and/or multinodular HCC who were treated by initial HR were divided into three groups: those with a single tumor >=5 cm in diameter (n=582), 2-3 tumors with a maximum diameter>3 cm (n=223), or>3 tumors of any diameter (n=113). Hospital mortality and overall survival (OS) in each group were compared for the years 2001-2007 and 2008-2013. Results: Patients with >3 tumors showed the highest incidence of hospital mortality of all groups (P<0.05). Kaplan-Meier survival analysis showed that OS varied across the three groups as follows: single tumor>2-3 tumors >3+ tumors (all P<0.05). OS rate at 5 years ranged from 24% to 41% in all three groups for the period 2001-2007, and from 35% to 46% for the period 2008-2013. OS was significantly higher during the more recent 6-year period in the entire patient population, those with single tumor, and those with 3+ tumors (all P<0.05). However, in patients with 2-3 tumors, OS was only slightly higher during the more recent 6-year period (P=0.084). Conclusions: Prognosis of three types of HCC was different. Patients with >3 tumors show the highest hospital mortality and lowest OS after HR. OS has been improving for all three types of HCC at our medical center as a consequence of improvements in surgical technique and perioperative management. PMID- 27866531 TI - [Effect of 10-Hydroxycamptotbecine on the proliferation of human Fibroblast-like Synoviocyte with Rheumatoid Arthritis]. AB - Objective: To study the effect of 10-Hydroxycamptothecine (10-HCPT) on the proliferation and apoptosis of human Fibroblast-like Synoviocyte (FLS) with Rheumatoid Arthritis (RA). Methods: Different concentrations of 10-HCPT and Methotrexate (MTX) were used to treat FLS cells in RA and Osteoarthritis (OA) for different time (24, 48, and 72 hours), and FLS cells without 10-HCPT and MTX were served as the control group. CCK-8 assay were applied to determine the proliferation of FLS cells, Annexin-V APC/7-AAD staining were used to detect the apoptosis of FLS cells. Results: The survival rate of FLS cells were (66.68+/ 0.48) %, 48 h; (60.09+/-0.95) %, 72 h and (44.05+/-1.29) %, 48 h; (30.63+/-1.79) %, 72 h, when the concentrations were 1.0 MUg/ml and 10.0 MUg/ml in 10-HCPT group. Compared with the control group, the survival rate of FLS cells in RA and OA both declined in treatment groups with different concentrations of 10-HCPT and MTX. With the extension of time, the survival rate of FLS cells declined significantly. Compared with the MTX group, there were no obvious differences in 10-HCPT group with 1.0 MUg/ml. But the concentration of 10.0 MUg/ml of 10-HCPT group showed obviously difference in the proliferation of FLS cells. The apoptosis rate of FLS cells were (66.68+/-0.48) %, 48 h; (60.09+/-0.95) %, 72 h and (44.05+/-1.29) %, 48 h; (30.63+/-1.79) %, 72 h, when the concentrations were 1.0 MUg/ml and 10.0 MUg/ml in 10-HCPT group. Compared with the control group, two concentrations of 10-HCPT and MTX induced higher apoptosis in FLS cells with RA and OA; with the extension of time (72 h), the rate of apoptosis was significantly enhanced (P<0.05). When FLS cells with RA were treated for 48 h, apoptosis of 10-HCPT group was higher than that of MTX group. The 10.0 MUg/ml of 10-HCPT had the highest effect. Conclusion: Compared with MTX, 10-HCPT had the higher efficacy of inhibiting proliferation and promoting apoptosis in FLS cells. PMID- 27866532 TI - [Evaluation of disease free survival after radical resection for primary duodenal adenocarcinoma]. AB - Objective: To investigate the risk factors associated with the disease free survival (DFS) for primary duodenal adenocarcinoma patients undergoing radical resection. Methods: The clinicopathological data of 101 primary duodenal adenocarcinoma patients who underwent radical resection from January 2001 to October 2014 were retrospectively reviewed. Using SPSS 13.0 software, the survival curve was drawn by Kaplan-Meier method, and the survival rates were analyzed by Log-rank test.COX regression model was used to identify independent risk factors. Results: Among 101 patients, the main clinical manifestation were upper abdomen discomfort, abdominal pain, jaundice, gastrointestinal obstruction, hemorrhage, emaciation and so on. A total of 87 patients had the tumor located at the descending part of the duodenum. All the 101 patients underwent radical resection, and 85 patients received pancreatoduodenectomy while 16 patients underwent segmental resection. The median disease free survival time was 26 months and the postoperative 1, 3, 5 year DFS rate were 79.7%, 60.3% and 53.6%, respectively. The univariate analyses identified elevated preoperative CEA and CA19-9 level, T stage, lymph node state, vascular invasion and perineural invasion predicting a worse DFS(P<0.05). On multivariate analysis, positive lymph node state was an independent risk factor for DFS (RR=5.394, 95% CI: 1.624 17.913). Conclusion: Radical resection is the best therapeutic method for primary duodenal adenocarcinoma; the positive lymph node state is the independent risk factor affecting the disease free survival of patients after radical resection. PMID- 27866533 TI - [LB100 reverses the acquired resistance to gefitinib in lung adenocarcinoma cells with EGFR mutation]. AB - Objective: To investigate the possibility of the Protein Phosphatase 2A (PP2A) inhibitor, LB100, in reversing acquired resistance to gefitinib in lung adenocarcinoma with epidermal growth factor receptor (EGFR) gene mutation. Methods: Cell line NCI-H1975 and established primary culture cell line 44-1 with gefitinib resistance were sequenced to determine the mutation type of EGFR gene. Cells were treated with gefitinib alone or combined with LB100 to determine the half maximal inhibitory concentration (IC50), and sensitivity of 44-1 and NCI 1975 to gefitinib alone or combined with LB100 was compared. The volume of NCI H1975 xenografts with different drug treatments was observed to determine the efficiency of gefitinib with or without LB100 in tumor growth inhibition. Results: Both 44-1 and NCI-1975 cells had double EGFR mutation (sensitive L858R mutation and resistant T790M mutation). Both cells showed significant gefitinib resistance (IC50: 23.0 MUmol/L in 44-1, 16.7 MUmol/L in NCI-1975). When combined with LB100, IC50 of gefitinib decreased to 6.9 MUmol/L in 44-1 cell and decreased to 3.4 MUmol/L in NCI-H1975 cells. In NCI-1975 xenografts experiments, LB100 enhanced the ability of gefitinib in tumor growth inhibition (P<0.05). Conclusion: LB100 reverses acquired resistance to gefitinib in lung adenocarcinoma cell lines. PMID- 27866535 TI - [Regulatory analysis of hypoxia on innate immunity of human corneal epithelium]. AB - Objective: To investigate the role of hypoxia on the regulation of innate immunity of human corneal epithelium. Methods: Telomerase-immortalized human epithelial cells (THCEs) were incubated under normoxia (21% O2) or hypoxic (1% O2) conditions respectively. After 6, 12, 24, 48 h culture, the mRNA and protein levels of toll like receptor 4 (TLR4) were measured by real-time polymerase chain reaction (RT-PCR) and Western blot analysis. After 24 h culture, THCEs of each group were challenged respectively with TLR4 ligand lipopolysaccharide (LPS) (1 MUg/ml) for 6 h. RT-PCR was used to assess the mRNA level of myeloid differentiation factor 88 (MyD88), interleukin(IL)6, IL-8 and tumor necrosis factor alpha (TNF-alpha). Western blot was used to examine the protein level of inhibitor of nuclear factor kappa-B alpha (IkappaBalpha) and phosphorylated IkappaBalpha (p-IkappaBalpha). Enzyme-linked immunosorbent assay (ELISA) was used to detect the secretion of the inflammatory cytokines IL-6, IL-8 and TNF-alpha. Results: The results of RT-PCR and Western blot analysis showed that the expression of TLR4 downregulated 90% and 55% respectively after hypoxic exposure for 48 h. Hypoxia also inhibited LPS-induced secretion of IL-6, IL-8, TNF-alpha, expression of MyD88 and activation of NF-kappaB. The mRNA level of MyD88 was diminished 63%, and the protein expression of p-IkappaBalpha was also lowered. Meanwhile, the secretions of IL-6, IL-8 and TNF-alpha under hypoxia were reduced (31%, 55% and 50% respectively). Conclusion: Hypoxia attenuated immune and inflammatory response of the cornea epithelium by suppressing TLR4 signaling, and could enhance cell susceptibility to microorganism infection. PMID- 27866534 TI - [Dihydrotestosterone inhibits foam cell formation via a lectin-like ox-low density lipoprotein receptor mediated mechanism in J774.1 cell line]. AB - Objective: To investigate the effect of dihydrotestosterone (DHT) on lectin-like ox- low-density lipoprotein (LDL) receptor(LOX-1)expression and foam cell formation in the female macrophage cell line J774.1. Methods: In cultured J774.1 cells, after pretreated with DHT at concentrations of 1*10-9 mol/L and 1*10-8 mol/L, ox-LDL-induced LOX-1 expression and foam cell formation were investigated by quantitative real-time PCR, Western blotting, and oil-red O staining. Results: DHT at concentrations of 1*10-9 mol/L and 1*10-8 mol/L inhibited ox-LDL-induced LOX-1 mRNA (2.81+/-0.46 and 2.29+/-0.21 vs 4.71+/-0.31, both P<0.01) and protein expression (1.35+/-0.06 and 1.09+/-0.04 vs 1.75+/-0.11, both P<0.05). The effect was partly reversed by the androgen receptor (AR) blocker flutamide (87.6%, P=0.004). Oil-red O staining also revealed that DHT at concentrations of 1*10-9 mol/L and 1*10-8 mol/L suppressed ox-LDL-induced foam cell formation as quantified by the number of foam cells per high-power field (HPF) (36.0+/-3.0 and 29.1+/-1.3 vs 45.9+/-3.7, both P<0.05) and by the area of oil-red O stained particles per HPF (7 983+/-1 035 and 4 060+/-390 vs 14 750+/-2 489, both P<0.05). Conclusion: DHT at concentrations of 1*10-9 mol/L and 1*10-8 mol/L decreases LOX 1 expression and foam cell formation via AR. PMID- 27866536 TI - [In vivo and in vitro experimental studies of remote digital control endovascular robotic system in interventional angiography]. AB - Objective: To investigate the feasibility of the remote control endovascular robotic system in interventional angiography. Method: The endovascular robotic system HeifetzTM and the matched steerable catheter MirageTM were used to cannulate all the target vessels in the vascular model and cerebral arteries originated from the aorta of Bama mini-pigs under fluoroscopic guidance. The technical success rate, cannulation time and exposure dose were all collected and compared with the result of using conventional techniques. Result: All the target vessels were successfully cannulated.The average cannulation time for the steerable catheter into left subclavian artery, left common carotid artery, brachiocephalic artery, right common carotid artery and right subclavian artery in the vascular model was (21.3+/-2.8)s, (28.8+/-5.2)s, (17.7+/-2.6)s, (31.5+/ 5.1)s and (24.2+/-3.7) s, respectively, while the average exposure dose was (9.3+/-1.2)mGy, (12.4+/-2.2)mGy, (7.4+/-1.2)mGy, (14.2+/-2.5)mGy and( 10.4+/ 1.9)mGy, respectively. The endovascular robotic system completed the cerebral angiography in Bama mini-pigs successfully. The average cannulation time for left innominate artery, right innominate artery, right subclavian artery, common internal carotid trunk, left internal carotid artery and right internal carotid artery was (41.5+/-6.8)s, (29.1+/-3.7)s, (40.7+/-5.5)s, (40.1+/-5.8)s, (59.6+/ 9.0)s and( 60.3+/-10.1)s, respectively, while the average exposure dose was (40.6+/-6.5)mGy, (36.0+/-5.2)mGy, (39.8+/-6.1)mGy, (43.9+/-6.7)mGy, (51.0+/ 7.4)mGy and( 50.1+/-7.8)mGy, respectively. There was no significant difference between robotic and conventional group in success rate, cannulation time and exposure dose. Conclusion: The remote digital control endovascular robotic system could cannulate the target vessel in both vascular model and complete the cerebral angiography in Bama mini-pigs, which shows the feasibility of using this robotic system in endovascular intervention procedures under remote control. PMID- 27866537 TI - [Asbestos related diseases: a challenge for occupational health]. PMID- 27866538 TI - [Respiratory protection provided by N95 filtering facepiece respirators and disposable medicine masks against airborne bacteria in different working environments]. AB - Objective: To determine the relative protection provided by N95 filtering facepiece respirators (FFR) and disposable medicine masks (DMM) against airborne bacteria in different working environments. Methods: The field study was performed with 12 subjects wearing an N95 filtering facepiece respirator and a disposable medicine mask for 1h, respectively. Airborne microorganisms and bacteria samples from both the external (Ce) and the inner (Ci) surface of N95 FFR and DMM are collected. The Ce: Ci ratio was used to calculate the bacterial filtering proportion. Bacterial filtering efficiency (BFE) was measured using the JWL-2A Sampler. Results: The bacterial filtration efficiency of N95 FFR and DMM were 99.93% and 91.53%, respectively. There was significant difference between the two materials (P<0.05). In summer, airborne bacterial concentration was higher than that in winter. In the same season, airborne bacterial concentration in hospital environment is higher than that in campus. The higher the airborne bacterial concentration, the greater bacterial contaminated on the external surface of the used masks. To all masks used in different working environment, bacterial contamination on the external surface was much greater than the inner surface (P<0.01). Compared to N95 FFR, DMM had slighter bacterial contamination on the external surface and greater bacterial contamination on the inner surface. However, this difference was not significant (P>0.05). The bacterial filtering proportion of N95 FFR is higher than DMM. These differences were significant in samples tested in summer (P<0.05) , but were not significant in samples tested in winter (P>0.05). Conclusion: Bacterial filtering efficiency of N95 respirator is superior to medicine mask, and this advantage become more obvious in high airborne bacterial concentration levels. PMID- 27866539 TI - [The relationships of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) inhalational dose and oxidative damage in foundry workers]. AB - Objective: To investigate the potential dose-response relationship between PCDD/Fs inhalational exposure and oxidative damage to DNA and lipid in foundry workers. Methods: The participants were divided into three groups, including exposure group, administrator group and control group. The concentrations of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) in air environment were determined by isotope dilution high resolution capillary column gas chromatography/high resolution mass spectrometry (HRGC-HRMS). The inhalational dose of PCDD/Fs were evaluated by Houmen's model. Urinary 8-OHdG was analyzed by high performance liquid chromatography-electrochemical detector (HPLC-ECD). Urinary 8-iso-PGF2alpha were determined by ELISA. Results: The PCDD/Fs environmental concentrations of three groups (pg.TEQ/m) were 0.21+/-0.08, 0.03+/ 0.01, 0.0012+/-0.0007 (P<0.05) , respectively. The inhalational dose of exposure group (92.54 (32.90~264.49) fg.TEQ/kg.d) was 5.4 folds higher than the administrator group, and was 201 times more than control group. The levels of urinary 8-OHdG (nmol/L crea) of three groups were 3.25 (1.07~15.36) , 2.72 (0.75~16.07) , 2.17 (0.38~17.07) (P<0.05) and the levels of urinary 8-iso PGF2alpha (nmol/L crea) were 19.11 (9.33~76.50) , 20.95 (8.40~79.31) , 11.48 (4.85~37.80) (P<0.05) , respectively. The multiple linear regression analysis revealed that there were significantly increased trend for levels of urinary 8 OHdG and 8-iso-PGF2alpha as PCDD/Fs exposure levels increased, after adjustment for age, sex, smoking statue, alcohol use and BMI (P<0.01). Conclusion: There was a dose-response relationship between PCDD/Fs inhalational exposure and oxidative damage in foundry workers. PMID- 27866541 TI - [Influencing factors for postoperative survival of patients with stage III silicosis treated by lung transplantation]. AB - Objective: To investigate the clinical effect, postoperative complications, and causes of death in the treatment of stage III silicosis with lung transplantation and the influencing factors for survival. Methods: A retrospective analysis was performed for the clinical data of 32 patients with stage III silicosis who underwent lung transplantation in our hospital from September 2002 to September 2015. The survival, causes of death, and postoperative complications were analyzed. The Kaplan-Meier method was used to plot survival curves, the log-rank test was used to compare the influence of each factor on survival rates, and the multivariate Cox proportional hazards regression model was used to evaluate the influence of each factor on survival. Results: All the patients underwent successful lung transplantation. The 3-month and 1-, 3-, and 5-year postoperative cumulative survival rates were 90.6%, 80.8%, 76.7%, and 76.7%, respectively. Eight patients died during the postoperative follow-up, among whom 1 died of multiple organ failure, 3 died of severe infection, 2 died of sudden cardiac death, 1 died of renal failure, and 1 died of bronchiolitis obliterans. The major postoperative complications included primary graft dysfunction (PGD) in 10 patients, severe infection in 7 patients, acute rejection reaction in 3 patients, bronchiolitis obliterans in 5 patients, bleeding in 5 patients, anastomotic complication in 2 patients, and renal dysfunction in 3 patients. The Kaplan-Meier survival analysis showed that sex, postoperative PGD, postoperative infection, massive intraoperative blood loss, preoperative pulmonary arterial hypertension were influencing factors for postoperative survival rates (P<0.05). The multivariate Cox regression model showed that male sex was the protective factor (P<0.05) and postoperative PGD and massive intraoperative blood loss were independent risk factors for death after transplantation (P<0.05). Conclusion: Lung transplantation is a method for the treatment of silicosis. Postoperative PGD and massive intraoperative blood loss are independent risk factors for death after transplantation. Survival rates are affected by postoperative PGD, infection, massive intraoperative blood loss, and preoperative pulmonary arterial hypertension. PMID- 27866542 TI - [Analyse coal workers' pneumoconiosis deaths reported in Beijing since 1997 to 2014]. PMID- 27866540 TI - [The study of the eosinophil CD34+ progenitor cells differentiation mechanism of model rats with occupational asthma and the intervention of warm and tonifying kidney yang decoction]. AB - Objective: To investigate the mechanism of CD34+ progenitor cell differentiation in rat by observing the change relations between the eosinophils (EOS) and the content of Eotaxin and IL-5 in blood and the CD34+/CCR3+, CD34+/IL-5Ralpha+ in bone marrow after occupational asthma (OA) model rats are simulated, and to observe the effect of WTKYD Trraitional Chinese Medicine intervention. Methods: A total of 40 healthy male SD model rats (200~250 g weight) were randomly divided into model contrast Group, prednisone acetate intervention Group, WTKYD+1/2 prednisone acetate intervention Group and WTKYD intervention Group, 10 in each group, and set a Group for blank contrast. Give them saline (20 ml/kg) , prednisone acetate (8.22 mg/kg) , WTKYD (20g/kg) +1/2 prednisone acetate (4.11 mg/kg) and WTKYD (20 g/kg) intervention respectively. By means of cell count, immunohistochemical, ELISA, flow cytometry technique, situ hybridization and so on, to observe EOS and the expression of Eotaxin in lung tissue, the EOS in peripheral blood, the content of Eotaxin and IL-5 in blood as well as the expression of CD34+/CCR3+ and CD34+/IL-5Ra+ in bone marrow respectively. Results: The number of EOS, the content of Eotaxin and IL-5, the expression of CD34+/CCR3+ and CD34+/IL-5Ra+ in Model Contrast Group were higher in Blank Contrast Group, the difference was statistically significant (P<0.01) , while they were lower in medical intervention Groups when comparing to Model Contrast Group, the difference was statistically significant (P<0.01 or P<0.05) , and the above items in WTKYD+1/2 Prednisone Acetate Intervention Group were even lower than in Prednisone Acetate Intervention Group and WTKYD Intervention Group, the difference was statistically significant (P<0.05). EOS in lung tissue is highly positive related to the content of Eotaxin and IL-5 in peripheral blood as well as the expression of CD34+/CCR3 and CD34+/IL-5Ralpha in bone marrow (0.9666,0.9829,0.9142, 0.8874). Conclusion: The increase of internal EOS in lung tissue is related to the up-regulated expression of CD34+/CCR3+ and CD34+/IL-5Ra+ in bone marrow after antigens in Occupational Asthma model rats are stimulated. Through down-regulating it's expression to restrain the differentiation of CD34+ progenitor cells towards EOS, meanwhile, the collaboration of WTKYD and prednisone acetate possess a certain synergistic action. PMID- 27866543 TI - [Influence of coke oven emissions on workers' blood pressure and electrocardiographic findings]. AB - Objective: To investigate the influence of coke oven emissions on workers' blood pressure and electrocardiographic findings, and to provide a basis for the prevention and treatment of cardiovascular diseases. Methods: The concentration of coke oven emissions at the bottom, side, and top of coke ovens was determined in a coking plant. A total of 406 coke oven workers were enrolled as exposure group and 201 office staff members were enrolled as control group. Blood pressure and electrocardiographic findings were compared between the two groups, and the multivariate logistic regression analysis was performed to analyze the influencing factors for hypertension and abnormal electrocardiographic findings. Results: The concentration of coke oven emissions was the highest at the top of coke ovens, followed by the side and bottom of coke ovens, and there was a significant difference between the exposure group and the control group (P<0.01). The exposure group had significantly higher detection rates of hypertension, abnormal electrocardiographic findings, and abnormal chest X-ray findings than the control group (P<0.05). The logistic regression analysis showed that high concentration of coke oven emission and age were risk factors for hypertension and abnormal electrocardiographic findings (P<0.05). The workers exposed to high concentration coke oven emissions were more likely to experience hypertension and abnormal electrocardiographic findings than those exposed to low-concentration coke oven emissions (OR=1.7 and 1.9). Conclusion: Besides lung injury, coke oven emissions also have adverse effects on the cardiovascular system. Therefore, more effective measures are needed to protect the health of coke oven workers. PMID- 27866544 TI - [Effects of chronic exposure to monochloroacetic acid on the lung function and lymphocyte subsets in occupational exposed workers]. AB - Objective: To investigate the effects of chronic exposure to monochloroacetic acid on the lung function and whole blood counts in occupational exposed workers, and provide new markers for occupational health surveillance. Methods: We conducted a cross-sectional molecular epidemiology study of 121 workers who were occupationally exposed to monochloroacetic acid and 69 unexposed workers frequency-matched by age and smoking status from the same geographic region. The lung function was measured by portable lung function instrument, and the lymphocyte subsets were measured by flow cytometry. Linear regression was used to test for differences in the levels of each marker between exposed and control workers. Results: FEV1.0/FVC was significantly decreased in both male and female workers exposed to monochloroacetic acid compared to unexposed workers (P<0.01) after adjusting for potential confounders, which were highly consistent when stratified by smoking status. Among male workers, monochloroacetic acid exposure was associated with significant decrease in the levels of CD8+ T cells (P<0.05) and monocytes (P<0.05) , and these statistically significant differences were observed between exposure and control workers only among smokers, not among non smokers. However, there were no significant differences in the levels of whole blood cells and lymphocyte subsets between two groups among female workers. Conclusion: The chronic monochloroacetic acid exposure was associated with pulmonary dysfunction and immunosuppression, which mainly occurred among male workers and smokers. PMID- 27866545 TI - [Value of low-dose multi-slice spiral CT chest scan in diagnosis of coal workers' pneumoconiosis]. AB - Objective: To investigate the value of low-dose multi-slice CT (MSCT) chest scan in the diagnosis of coal workers' pneumoconiosis. Methods: A total of 90 patients with a confirmed diagnosis of coal workers' pneumoconiosis were enrolled, and under the conditions of fixed tube voltage, pitch, and slice thickness, they underwent CT scan with a normal dose (150 mA) and a low dose (30-50 mA). The quality of images obtained from two scans was compared, and the imaging findings, opacity profusion, stage, and radiation doses were also compared. Results: Compared with the normal-dose scan, low-dose scan increased the image noise, and the images obtained from scans with doses of 30, 40, and 50 mA did not show significant reductions in signal-to-noise ratio or contrast-to-noise ratio (P>0.05). There was no significant difference in the percentage of image quality between low-dose and normal-dose scans (P>0.05). There were no significant differences in the percentage of various imaging findings, opacity profusion, or percentage of different stages between low-dose (30, 40, and 50 mA) and normal dose (150 mA) scans (P>0.05). Conclusion: There are no significant differences between low-dose MSCT chest scan and normal-dose CT in image quality, imaging findings of coal workers' pneumoconiosis, opacity profusion, and stage. Meanwhile, low-dose MSCT chest scan greatly reduces the radiation dose and can be used to assist the diagnosis and follow-up reexamination of coal workers' pneumoconiosis and cover the shortage of high-kilovoltage chest X-ray. PMID- 27866546 TI - [Application of principal component analysis in comprehensive indicator screening for pneumoconiosis in different regions]. AB - Objective: To investigate the application of principal component analysis in comprehensive indicator screening for pneumoconiosis in different regions. Methods: A principal component analysis was performed for the data of 11 factors associated with the prediction of pneumoconiosis hazard and collected in the investigation on occupational health status conducted in 172 counties (districts) in Hebei, China. The degree of pneumoconiosis hazard in different regions was obtained and intuitively presented by GIS. Results: The eigenvalues of 5 principal components of pneumoconiosis were 4.103, 2.341, 0.981, 0.943, and 0.726, respectively, and the contribution values were 37.299%, 21.286%, 8.919%, 8.572%, and 6.596%, respectively. According to the comprehensive value of principal components, GIS Natural Breaks was used to divide the degree of pneumoconiosis hazard in 172 counties (districts) in Hebei into mild, moderate, and severe grades. Of all the counties, 46 had severe pneumoconiosis hazard, 69 had moderate pneumoconiosis hazard, and 57 had mild pneumoconiosis hazard, and the ranges of the score of principal components were 0.30-1.15, -0.24 to 0.27, and -0.69 to -0.25, respectively. Conclusion: Principal component analysis can optimize the comprehensive indicators for the evaluation of regional pneumoconiosis. The comprehensive score of principal components can quantify and intuitively show the degree of pneumoconiosis hazard in different regions. Tangshan, Chengde, Shijiazhuang, and Handan have the most severe pneumoconiosis hazard. PMID- 27866547 TI - [Prevalence of pneumoconiosis in a coal enterprise from 2002 to 2013]. AB - Objective: To investigate the prevalence of pneumoconiosis in a coal enterprise, and to provide a basis for the prevention and treatment of pneumoconiosis. Methods: The workers' occupational health examination data were collected, and a cross-sectional study was performed to analyze the prevalence of pneumoconiosis. Results: A total of 62 976 person times of occupational health examination were performed for the workers exposed to dust in this enterprise from 2002 to 2013. There were 8 445 cases of pneumoconiosis diagnosed in total, and the mean detection rate was 13.41%. Of all patients with pneumoconiosis, 3 262 died. The mean detection rate was 8.98% among in-service workers and 19.64% among retired workers. The mean age of onset was (52.6+/-11.3) years, and the mean working age of onset was (18.4+/-10.1) years. Conclusion: The detection rate of pneumoconiosis is high in the retired workers in this enterprise, and medical follow-up for retired workers and those who have left their jobs should be taken seriously. PMID- 27866548 TI - [Effect of heme oxygenase-1 transduced by cell penetrating peptide PEP-1 on renal injury in rats with acute paraquat poisoning]. AB - Objective: To study the effects of heme oxygenase-1 transduced by cell penetrating peptide PEP-1 on renal injury in acute paraquat-induced rats. Methods: The fusion protein PEP-1/HO-1 was manufactured by genetic engineering methods. One hundred and twenty-six healthy adult Sprague-Dawley (SD) rats (63 male, 63 female) were randomly divided into three groups: (1) Control group: 42 rats, (2) Poisoned group: 42 rats, (3) PEP-1/HO-1 intervention group: 42 rats. The rats in Poisoned group and intervention group were treated intraperitoneally with paraquat (25 mg/kg) deliquated with normal saline. Control group rats were treated with the same way of normal saline as the others. Intervention group rats were injected 1 mg of the fusion protein PEP-1/HO-1 into the left iliac vein at 30 minutes before the administration of the paraquat. After abdominal dissection with ether anaesthesia, six rats respectively from each of three groups were taken tissue samples from kidney at 1 st,6 th,12 th,24 th,36 th,48 th,and 72 nd hour respectively. Tissue Superoxide Dismutase (SOD) activity and Malondialdehyde (MDA) content were measured, and renal tissue was quickly remained to observe the expression of Heme Oxygenase-1 (HO-1) by the method of immunohistochemistry. Blood samples were collected from the abdominal aorta for determination of Blood Urea Nitrogen (BUN) and Creatinine (Cr) concentrations in plasma. Results: To prepare high purity fusion protein PEP-1/HO-1 Successfully. The levels of the plasma Bun and Cr in Poisoned and intervention group were significantly higher than that in Control group in the six to seventy-two hours (P<0.01) ; Whereas the increases of Bun and Cr were markedly intibited in PEP-1/HO-1 intervention group, in which, the levels of Bun and Cr in the six to seventy-two hours were significantly lower than Poisoned group (P<0.05). Compared with control group, the levels of MDA in poisoned groups were increased in the one to forty-eight hours and the levels of it in groups PEP-1/HO-1 in the one to thirty-six (P<0.01 or P<0.05). The T-SOD activity of the poisoned group was decreased in the one to thirty-six hours than that of the control group (P<0.05). Compared with poisoned group, the T-SOD activity at various points in time was increased in group PEP 1/HO-1 (P<0.01). In control group, there was only very weak expressions of HO-1 in the normal renal tissue. In poisoned and intervention group, the expressions of HO-1 were significantly higher than that in control group in all time (P<0.01). The HO-1 expressions of PEP-1/HO-1 group in all time was significantly higher than that in poisoned group (P<0.01 or P<0.05). Conclusion: The HO-1 protein Can be successfully transduced into renal tissue by cell penetrating peptide PEP-1 and the transduced HO-1 protein reduces renal injury of the acute paraquat-induced rats by inhibiting lipid peroxidation response. PMID- 27866549 TI - [Characteristics of lung function in patients with asbestosis of different stages]. AB - Objective: To investigate the characteristics of lung function in the patients with asbestosis of different stages, and analyze the correlations between the pulmonary function values and imaging score of chest X-ray. Methods: A cohort of newly diagnosed 249 asbestosis patients over a period of eight years in a single center were evaluated. Clinical data were collected from clinical charts. Radiographs were reviewed by the experts blinded to clinical data. The asbestosis patients were classified into I to III stages by chest X-ray according to the guideline. The correlations between the pulmonary function values and imaging score of chest X-ray were analyzed. Results: The prevalence of stage I to III in this asbestosis cohort was 73.5%, 19.3% and 7.2% respectively. With the stages increasing, the patients' forced vital capacity (FVC) , total lung capacity (TLC) , total carbon monoxide diffusion capacity (DLCO) predicted values were all reduced showing the restrictive ventilation impairment and/or gas exchange barrier. The obstruction of the small respiratory tracts was detected in the asbestosis of all the different stages. According to the small shadow density of each lung area, chest small shadow density score had a significant negative correlation with FVC, TLC or DLCO predicted values respectively (all P<0.01). Conclusion: The patients with asbestosis of different stages had varying degrees of gas exchange impairment, small airway dysfunction with or without ventilation dysfunction. The decreasing of DLCO was earlier than lung volume change. Chest X ray image score paralleled the decline of lung function values, reflecting the severity of the disease. PMID- 27866550 TI - [A case of mediastinal emphysema following gastric lavage for oral doxepin poisoning]. PMID- 27866551 TI - [A case of respiatory failue caused by inalation of dichlorvos and chlorpyrifos poisoning]. PMID- 27866552 TI - [Silicosis with tracheobronchopathia osteochondroplastica: one case report]. PMID- 27866553 TI - [Clinical analysis of five cases of acute naphthalene poisoning]. PMID- 27866554 TI - [Hemoperfusion for the treatment of toxic hepatitis caused by mushroompoisoning: a report of 3 cases]. PMID- 27866555 TI - [Two cases of acute poisoning of paraquat with dursban and paraquat with bromadiolone]. PMID- 27866556 TI - [Clinical analysis of 5 patients caused by acute inhalation of phosphoric acid gas poisoning]. PMID- 27866557 TI - [52 acute toxic hepatopathy cases induced by tetrachloromethane combined organic solvent]. PMID- 27866558 TI - [Analysis of the reasons for the change in the diagnosis of coal workerspneumoconiosis]. PMID- 27866559 TI - [The founding analysis of national natural science foundation in the field of occupational and environmental health]. PMID- 27866560 TI - [Nonmalignant diseases related to asbestos: a clinical update]. PMID- 27866561 TI - [Idiopathic pulmonary fibrosis: an update of pharmacological therapy]. PMID- 27866563 TI - [Recent advance of cytokines in the pathogenesis of lung injury induced by paraquat poisoning]. PMID- 27866562 TI - [The association between gene polymorphisms and genetic susceptibility of the pathogenesis of pneumoconiosis]. PMID- 27866564 TI - Home, Lifestyle and the Burden of Disease. PMID- 27866565 TI - Regional Differences in the Prevalence of Cardiovascular Disease. AB - BACKGROUND: Cardiovascular disease continues to be the single most common cause of death and to account for the largest single portion of treatment costs in Germany. Reliable data on regional differences in the frequency of cardio - vascular disease are important for the planning of targeted care structures and preventive measures. METHODS: Pooled data from the German Health Update (GEDA), a nationwide telephone health survey conducted in 2009, 2010 and 2012 (n = 62 214) were used to estimate the lifetime prevalence of major cardiovascular disease (self-reported medical diagnosis of myocardial infarction, other coronary heart disease, stroke, or congestive heart failure) in each of the German federal states. The influence of sociodemographic factors on regional prevalence differences was examined in adjusted logistic regression analyses. Prevalences were compared with mortality rates from cardiovascular disease that were obtained from cause-of-death statistics. RESULTS: The lifetime prevalence of cardiovascular disease in Germany ranged from 10.0% in Baden-Wrttemberg to 15.8% in Saxony-Anhalt. After adjustment for age, sex, socioeconomic status, and size of the communities of residence, nine of the other 15 states had significantly higher prevalences than Baden-Wrttemberg, with odds ratios ranging from 1.26 (Hesse) to 1.55 (Saxony-Anhalt). Four of the five states that previously constituted the German Democratic Republic (East Germany) had above-average figures for prevalence and mortality. CONCLUSION: There are relevant differences among the German federal states in the lifetime prevalence of major cardiovascular disease, which are only partly accounted for by differences in age and sex distribution, socioeconomic status, and community size. PMID- 27866567 TI - Large Gaps in Care. PMID- 27866566 TI - Time Trends in Cardiometabolic Risk Factors in Adults. AB - BACKGROUND: Data from three representative health examination surveys in Germany were analyzed to examine secular trends in the prevalence and magnitude of cardiometabolic risk factors. METHODS: The target variables were the following cardiometabolic risk factors: lack of exercise, smoking, obesity, systolic blood pressure, total cholesterol, serum glucose, self-reported high blood pressure, hyperlipidemia, and diabetes, and the use of antihypertensive, cholesterol lowering, and antidiabetic drugs. 9347 data sets from men and 10 068 from women were analyzed. The calculated means and prevalences were standardized to the age structure of the German population as of 31 December 2010 and compared across the three time periods of the surveys: 1990-1992, 1997-1999, and 2008-11. RESULTS: Over the entire period of observation (1990-2011), the mean systolic blood pressure fell from 137 to 128 mmHg in men and from 132 to 120 mmHg in women; the mean serum glucose concentration fell from 5.6 to 5.3 mmol/L in men and from 5.4 to 5.0 mmol/l in women; and the mean total cholesterol level fell from 6.2 to 5.3 mmol/L in both sexes. In men, smoking and lack of exercise became less common. On the other hand, the prevalence of use of antidiabetic, cholesterol-lowering, and antihypertensive drugs rose over the same time period, as did that of self reported diabetes. The first of the three surveys (1990-1992) revealed differences between persons residing in the former East and West Germany in most of the health variables studied; these differences became less marked over time, up to the last survey in 2008-2011. CONCLUSION: The cardiometabolic risk profile of the German adult population as a whole improved over a period of 20 years. Further in-depth analyses are now planned. PMID- 27866568 TI - In Reply. PMID- 27866569 TI - Computed Tomography in Germany. AB - BACKGROUND: In 2001, calculations in models based on atomic bomb survivors indicated that children exposed to ionizing radiation by computed tomography (CT) would be expected to have an increased risk of cancer. This led to the issuance of new recommendations in Germany concerning CT in children. METHODS: We analyzed data from the German pediatric CT cohort study together with data on children from a large general statutory health insurance provider (AOK) in order to characterize the secular trend in the use of CT in Germany. We used information from the Picture Archiving and Communication System (PACS) to estimate individual organ doses per scan and their development over time. RESULTS: The number of CT scans performed on children in Germany each year declined by 29% from 2006 to 2012. Over the same period, younger children were exposed to lower organ doses during CT scanning, although some organ doses were higher in neonates than in older children. The highest organ doses were in the 7.6 to 12.5-year-old age group and affected the brain (37.12 mGy +/- 19.68 mGy) and the lenses (41.24 mGy +/- 20.08 mGy). In every age group, the organ doses declined from year to year. With approximately 21 000 children aged 0-13 undergoing CT each year (extrapolated from insurance data of 2008), one can expect 2.3 [-1.7; 6.3] additional new cases of leukemia and 1 [-2.3; 4.0] additional new tumor of the central nervous system to arise each year. CONCLUSION: In view of the risks, children should undergo CT only for the indications listed by the German Commission on Radiological Protection (Strahlenschutzkommission). Further epidemiological studies are needed for estimation of the risk associated with the use of newer CT technology. PMID- 27866571 TI - Maintenance of Sterility: A Base of Aseptic Procedures. PMID- 27866570 TI - The Diagnosis and Treatment of Peripheral Arterial Vascular Disease. AB - BACKGROUND: In peripheral arterial occlusive disease (PAOD), arterial stenosis or occlusion impairs perfusion in the territory of the distal portion of the aorta and the iliac and leg arteries. In Germany, the prevalence of PAOD rises with age, reaching 20% among persons over age 70. METHODS: This guideline was prepared by a collaboration of 22 medical specialty societies and two patient self-help organizations on the basis of pertinent publications that were retrieved by a systematic search in PubMed for articles that appeared from 2008 to April 2014, with a subsequent update to May 2015. RESULTS: 294 articles were assessed, including 34 systematic reviews and 98 randomized controlled trials (RCTs). The diagnostic assessment of PAOD is based on physical examination, blood pressure at the ankles, and color-coded duplex ultrasonography (grade A recommendation). Other tomographic imaging methods can be used for suitable indications. The main elements of the treatment of PAOD are the control of cardiovascular risk factors and structured vascular exercise (grade A recommendation). Acetylsalicylic acid and statins are the main drugs for symptomatic PAOD (grade A recommendation). Patients with claudication and correlated structural findings can undergo an endo - vascular or open surgical procedure. Critical ischemia is an indication for arterial revascularization as soon as possible (grade A recommendation); this may be performed either by open surgery or by an endovascular procedure of one of the types that are now undergoing rapid development, or one of the crural treatment options. There is inadequate evidence concerning the optimal drug regimen after revascularization procedures. CONCLUSION: The diagnostic assessment of PAOD is based on physical examination, measurement of the ankle-brachial index (ABI), and duplex ultrasonography. Acetylsalicylic acid and statins are indicated for patients with symptomatic PAOD. Endovascular procedures should be used if indicated. Randomized studies are needed to provide better evidence on many open questions in the treatment of PAOD. PMID- 27866572 TI - Progressively Reduce the Number of Infections. PMID- 27866573 TI - In Reply. PMID- 27866574 TI - Welcome to a SUPA issue. PMID- 27866575 TI - Anemia for the Primary Care Physician. AB - Anemia denotes a reduced red blood cell (RBC) mass from any cause. The causes of anemia are numerous and due to decreased (or abnormal) erythropoesis, shortened RBC life span, or blood loss. The most common etiology of anemia is iron deficiency. A judicious work up of anemia includes evaluating the reticulocyte count and peripheral smear. The severity of illness of a patient with anemia is determined by the degree of anemia and the seriousness of the underlying disorder. Management of patients with hereditary and hemolytic anemias should involve a hematologist. PMID- 27866576 TI - Thrombocytopenia. AB - Thrombocytopenia is a commonly encountered hematologic problem in inpatient and ambulatory medicine. The many underlying mechanisms of thrombocytopenia include pseudothrombocytopenia, splenic sequestration, and marrow underproduction and destruction. This article presents the known causes of thrombocytopenia, a framework for evaluation, and brief descriptions of management in a case-based format. PMID- 27866577 TI - Novel Developments in Leukopenia and Pancytopenia. AB - Cytopenias are not disease entities in and of themselves; rather, they are the expression of various underlying disease processes. Careful attention to details in patients' presentation, careful history and examination, as well as attention to the ancillary parameters of the complete blood count with a peripheral blood smear can point the clinician toward the appropriate workup. Causes of cytopenias can be inherited or acquired; the latter include medication related, autoimmune, or neoplastic causes. Emergencies need to be recognized in a timely fashion and expert consultation obtained. PMID- 27866578 TI - Leukocytosis and Leukemia. AB - Leukocytosis is among the most common findings on peripheral blood smear. A wide range of causes may mediate this finding, and careful clinical and laboratory evaluation assist in differentiating between benign and malignant causes of increased white blood cell counts. In this article, various nonmalignant causes are explored, including infectious, inflammatory, autoimmune, and allergic. In addition, malignant causes of leukocytosis are discussed, including myeloproliferative disorders, acute leukemia, and chronic leukemia, as well as treatment and monitoring for patients with these diseases. PMID- 27866579 TI - Polycythemia and Thrombocytosis. AB - Myeloproliferative neoplasms (MPNs) are diseases of excess cell proliferation from bone marrow precursors. Two classic MPNs, polycythemia vera (PV) and essential thrombocytosis (ET), are conditions of excess proliferation of red blood cells and platelets, respectively. Although PV and ET involve different cells in the myeloid lineage, their clinical presentations have shared features, consistent with overlapping mutations in growth factor signaling. The management of both diseases involves minimizing the risk of thrombotic and hemorrhagic complications. Both PV and ET can progress to myelofibrosis or acute myeloid leukemia, portending a poor prognosis. MPNs can also present as primary myelofibrosis. PMID- 27866580 TI - Eosinophilia. AB - Eosinophilia is defined as elevation of eosinophils in the bloodstream (450-550 cell/MUL). There are many reasons for eosinophilia to exist, including parasitic disease, allergic disease, autoimmune, connective tissue disease, rheumatologic disease, primary eosinophilia such as hypereosinophilic syndrome, and as part of a malignant state. Primary care physicians should have an understanding of the variety of diseases or situations that can produce eosinophilia and know in what setting referral to specialty care may be warranted. PMID- 27866581 TI - Thrombosis, Hypercoagulable States, and Anticoagulants. AB - Patients with derangements of secondary hemostasis resulting from inherited or acquired thrombophilias are at increased risk of venous thromboemboli (VTE). Evaluation of a patient with suspected VTE proceeds via evidence-based algorithms that involve computing a pretest probability based on the history and physical examination; this guides subsequent work-up, which can include D dimer and/or imaging. Testing for hypercoagulable disorders should be pursued only in patients with VTE with an increased risk for an underlying thrombophilia. Direct oral anticoagulants are first-line VTE therapies, but they should be avoided in patients who are pregnant, have active cancer, antiphospholipid antibody syndrome, severe renal insufficiency, or prosthetic heart valves. PMID- 27866582 TI - Bleeding Diatheses: Approach to the Patient Who Bleeds or Has Abnormal Coagulation. AB - Many complex elements contribute to normal hemostasis, and an imbalance of these elements may lead to abnormal bleeding. In addition to evaluating medication effects, the hematologist must evaluate for congenital or acquired deficiencies in coagulation factors and platelet disorders. This evaluation should include a thorough bleeding history with careful attention to prior hemostatic challenges and common laboratory testing, including coagulation studies and/or functional platelet assays. An accurate diagnosis of a bleeding diathesis and selection of appropriate treatment are greatly aided by a basic understanding of the mechanisms of disease and the tests used to diagnose them. PMID- 27866583 TI - Transfusion Medicine. AB - Transfusion of various blood components can provide relief from symptomatic anemia and reduce the bleeding risks associated with low platelet counts or presence of coagulopathy. Blood components are collected from volunteer donors and processed into separate components to maximize efficient utilization of a scarce resource while also providing maximum clinical benefit. Tests including blood type and screening for clinically significant alloantibodies increase the likelihood of successful transfusion. Risks of transfusion include hypersensitivity and hemolytic transfusion reactions, transfusion-related acute lung injury, transfusion-associated circulatory overload, and transmission of infection. Indications for transfusion are reviewed along with various products available for transfusion. PMID- 27866584 TI - Lymphoma. AB - Lymphomas may be broadly divided into non-Hodgkin (90%) and Hodgkin (10%) types. Most lymphomas (90%) are of B cell origin but can also be T cell or natural killer cell. Clinical management of indolent and aggressive lymphomas is different. Aggressive lymphomas are more dangerous if left untreated yet a higher cell proliferation rate also renders them more chemosensitive, so they are managed with curative intent. Indolent lymphomas are, for the most part, incurable, such that quality of life must be balanced against toxicity of treatment in deciding when and how to treat. PMID- 27866585 TI - Plasma Cell Disorders. AB - Plasma cell disorders are benign, premalignant, and malignant conditions characterized by the presence of a monoclonal paraprotein detected in serum or urine. These conditions are biologically, pathologically, and clinically heterogeneous. There have been major advances in the understanding of the biology of these diseases, which are promoting the development of therapies with novel mechanisms of action. Novel agents such as proteasome inhibitors, immunomodulatory drugs, and monoclonal antibodies have gained approval in the United States and Europe for the treatment of plasma cell disorders. Such therapies are translating into higher rates of response and survival and better toxicity profiles. PMID- 27866586 TI - Basics of Hematopoietic Cell Transplantation for Primary Care Physicians and Internists. AB - More than 60,000 hematopoietic cell transplantations (HCTs) are annually performed worldwide to treat a variety of malignant and nonmalignant conditions. Although HCT is complicated and risky, a majority of the HCT recipients are surviving for many years post-transplant. This article presents the basics of transplantation, HCT types/stem cell sources, mobilization and conditioning procedures, indications for HCT, conditioning regimens, engraftment, graft-versus host-disease, and survivorship issues. PMID- 27866587 TI - Strange Cells. PMID- 27866588 TI - Preface. PMID- 27866589 TI - Endocrinology, diabetes and nutrition: The future is here. PMID- 27866590 TI - Corrigendum to the inextricable axis of targeted diagnostic imaging and therapy: An immunological natural history approach [Nucl Med Biol 43 (2016) 215-225]. PMID- 27866591 TI - Considerations on a New Diagnostic Clue to Osteomyelitis. PMID- 27866592 TI - The Reply. PMID- 27866593 TI - Zika Virus Infection: Don't Miss It. PMID- 27866595 TI - Modifiable Healthy Lifestyle Behaviors: 10-Year Health Outcomes From a Health Promotion Program. AB - INTRODUCTION: Previous studies have examined the impact of healthy lifestyle choices on health-related outcomes; however, given their fragmented, often cross sectional nature, assessing the relative impact of daily modifiable behaviors on overall long-term outcomes, particularly for a diverse working adult population, remains challenging. METHODS: Relationships between ten self-reported healthy lifestyle behaviors and health outcomes during the subsequent 9 years in a cohort of 10,248 participants enrolled during 2003 in a voluntary workplace wellness program were assessed. Cox proportional-hazards models computed hazard ratios (HRs) for lifestyle characteristics associated with time to one of seven self reported chronic diseases or death. Data were collected between 2003 and 2012 and analyzed between 2014 and 2016. RESULTS: Behaviors that most significantly affected future outcomes were low-fat diet, aerobic exercise, nonsmoking, and adequate sleep. A dose-response effect was seen between dietary fat intake and hypertension, obesity, diabetes, heart disease, and hypercholesterolemia. After dietary fat intake, aerobic exercise was the next most significant behavior associated with development of outcomes. Compared with sedentary participants, those who exercised 4 days per week were less likely to develop new-onset diabetes (HR=0.31, 95% CI=0.20, 0.48); heart disease (HR=0.46, 95% CI=0.27, 0.80); and hypercholesterolemia (HR=0.61, 95% CI=0.50, 0.74). Low-fat diet and adequate sleep were more significant than commonly promoted healthy behaviors, such as eating a daily breakfast. CONCLUSIONS: Modifiable lifestyle behaviors targeted in health promotion programs should be prioritized in an evidence-based manner. Top priorities for workplace health promotion should include low-fat diet, aerobic exercise, nonsmoking, and adequate sleep. PMID- 27866596 TI - Clinic and Community: The Road to Integration. AB - INTRODUCTION: There is growing recognition of the important role that social and environmental conditions play in health, and of the interaction needed between clinical providers and the broader community in which patients live, work, play, and manage their health. Through the Safety Net Enhancement Initiative, the Kresge Foundation funded demonstration projects in eight vulnerable communities to address health inequities and increase integration between clinical and community systems. METHODS: In 2014, integration efforts in 2011-2013 were qualitatively analyzed within and between sites to identify common features. The series of steps taken by sites during the 3-year implementation period that were necessary to move toward integration were then analyzed. RESULTS: Safety Net Enhancement Initiative sites increased capacities within clinics, including policy and practice changes that expanded the way "health" is defined by clinical providers and the implementation of onsite programs/services. Several sites changed clinic policies to support referral to community programs with partner organizations. Several sites also successfully changed local community policies and practices. Moving toward integration, mechanisms were created to link newly developed or identified community resources to the clinical system. CONCLUSIONS: As an established system organized around disease treatment, not prevention, certain changes need to be made within the clinical system to prepare for integration. These changes require shifting perspectives, changing behaviors, and developing novel administrative models. Similarly, integration requires changes within and among community systems, including organizations, services, and residents. Ultimately, there is the need to find ways for these two very different environments to interact and coordinate. PMID- 27866594 TI - Influenza Vaccination of Healthcare Personnel by Work Setting and Occupation U.S., 2014. AB - INTRODUCTION: Routine influenza vaccination of healthcare personnel (HCP) can reduce influenza-related illness and its potentially serious consequences among HCP and their patients. Influenza vaccination has been routinely recommended for HCP since 1984. METHODS: Data from the 2013 and 2014 National Health Interview Survey were analyzed in 2015. Kaplan-Meier survival estimated the cumulative proportion of HCP reporting 2013-2014 season influenza vaccination. Vaccination coverage by work setting and occupation were assessed. Multivariable logistic regression and predictive marginal analyses identified factors independently associated with vaccination among HCP. RESULTS: Influenza vaccination coverage was 64.9% among HCP aged >=18 years (95% CI=60.5%, 69.3%), which was significantly higher compared with non-HCP among the same age group (41.0%, 95% CI=39.8%, 42.1%) (p<0.05). Vaccination coverage was higher among physicians (82.3%) and nurses (77.5%) than other types of HCP (range, 50.2%-65.6%). Coverage was higher among HCP working in hospitals (76.9%) versus other settings (range, 53.9%-60.2%). Characteristics independently associated with an increased likelihood of vaccination among HCP were older age, higher education, having more physician contacts, and having health insurance. Having never been married was independently associated with decreased likelihood of vaccination among HCP. CONCLUSIONS: Influenza vaccination coverage was higher among HCP than non-HCP, but still below the national target of 90%. Vaccination coverage varied widely by occupation type, work settings, and demographic characteristics. Evidence-based interventions, such as making vaccine available at no cost in the workplace and active promotion of vaccination, are needed to increase influenza vaccination among HCP in all healthcare settings. PMID- 27866598 TI - Never-Smoking Adolescents' Exposure to Secondhand Smoke in Africa. AB - INTRODUCTION: Though Africa is in Stage 1 of the tobacco epidemic, lack of effective public smoking laws or political will implies that secondhand smoke (SHS) exposure may be high in youth. The study objective is to estimate prevalence and identify determinants of SHS exposure among never-smoker adolescents in Africa and make cross-country comparisons. METHODS: Pooled data from the Global Youth Tobacco Surveys conducted in 25 African countries during 2006-2011 were used. Based on the venue of exposure in past 7 days, SHS was categorized into exposure inside, outside, and overall exposure (either inside or outside of the home), respectively. Data were analyzed in 2015 using logistic regression models to identify factors related to SHS exposure in three venues. RESULTS: About 21% and 39% of adolescents were exposed to SHS inside or outside of the home, with overall exposure of 45%. In all 25 African countries, parental smoking was significantly associated with SHS exposure inside the home (ORs ranging from 3.02 [95% CI=2.0, 4.5] to 14.65 [95% CI=10.0, 21.5]). Peer smoking was associated with SHS exposure outside the home in 18 countries (ORs ranging from 1.45 [95% CI=1.0, 2.1] to 3.00 [95% CI=1.8, 5.1]). Parental smoking, peer smoking, and anti-smoking messages in media were identified as three major factors associated with SHS exposure. CONCLUSIONS: A significant proportion of never-smoking adolescents in Africa are exposed to SHS, suggesting the need for countries to adopt policies to protect never smokers through the implementation of the WHO Framework Convention on Tobacco Control. PMID- 27866599 TI - Correlates of Helmet Use Among Recreation and Transportation Bicyclists. AB - INTRODUCTION: Helmet use prevents injury and mortality if a bicyclist is in a collision while riding. This cross-sectional study sought to identify domain specific (recreation versus transportation) correlates of helmet use among U.S. adult bicyclists, using nationally representative data from 2012. METHODS: This analysis, conducted in 2015-2016, utilized data from the 2012 National Survey of Bicyclist and Pedestrian Attitudes and Behaviors, administered for the National Highway Traffic Safety Administration. Bivariate logistic regressions identified sociodemographic, behavioral, and environmental correlates of helmet use among U.S. adult bicyclists. Backwards elimination procedures selected final multivariate models for bicyclists' helmet use in both domains. RESULTS: Among recreation cyclists, helmet use was significantly associated with income ($30,000 $75,000, OR=1.79, 95% CI=1.04, 3.10; >=$75,000, OR=2.34, 95% CI=1.38, 3.97), safety training (OR=2.94, 95% CI=1.46, 5.93), not riding at dark (OR=1.92, 95% CI=1.24, 2.98), feeling threatened while riding (OR=2.24, 95% CI=1.12, 4.45), and using bike lanes/paths (OR=2.04, 95% CI=1.42, 2.93). Helmet use among transportation riders was significantly associated with education (less than high school, OR=2.45, 95% CI=1.13, 5.32; post-high school, OR=3.55, 95% CI=1.96, 6.42), income ($30,000-$75,000, OR=2.11, 95% CI=1.17, 3.8; >=$75,000, OR=2.33, 95% CI=1.26, 4.27), unemployment (OR=0.29, 95% CI=0.11, 0.76), not using electronics while riding (OR=2.3, 95% CI=1.41, 3.75), safety training (OR=3.19, 95% CI=1.44, 7.07), and injury while riding within the past 2 years (OR=2.81, 95% CI=1.14, 6.94). CONCLUSIONS: Correlates of helmet use among bicyclists are domain specific. Although confirmatory longitudinal studies are needed, findings suggest that interventions to increase bicyclists' helmet use consider riding domain. PMID- 27866597 TI - Life-course Social Mobility and Reduced Risk of Adverse Birth Outcomes. AB - INTRODUCTION: Higher adult socioeconomic position (SEP) is associated with better birth outcomes. However, few studies incorporate life-course or intergenerational SEP, which may inform etiology and targeted prevention efforts. This study tested whether life-course social mobility from childhood was associated with lower risk of adverse birth outcomes. METHODS: Data were from the Life-course Influences of Fetal Environments (LIFE) retrospective cohort study among black women, 2009 2011, in metropolitan Detroit, MI. This study (analyzed in 2014-2016) examined whether social mobility was associated with two primary birth outcomes: small for gestational age (SGA) and preterm birth (PTB). Childhood and adulthood SEP were measured by survey in adulthood, for two constructs, measured ordinally: educational attainment and perceived financial sufficiency (subjective income/wealth). Social mobility was calculated as the difference of adulthood minus childhood SEP. RESULTS: In covariate-adjusted Poisson regression models, 1 SD improved educational social mobility from childhood to adulthood was protective for SGA (adjusted risk ratio=0.76; 95% CI=0.64, 0.91); this association remained after adjusting for financial mobility. Upward financial social mobility from early childhood was marginally protective for SGA (adjusted risk ratio=0.85; 95% CI=0.72, 1.02), but became nonsignificant after controlling educational mobility. There were no overall associations of social mobility with PTB or low birth weight, although sensitivity analyses identified that improved financial mobility was associated with 16% marginally lower risk of spontaneous PTB and 28% marginally lower risk of low birth weight among upwardly mobile/stable women only. CONCLUSIONS: Improved life-course social mobility is associated with reduced risk for SGA and spontaneous PTB among black women. PMID- 27866600 TI - Maintaining a Healthy BMI: Data From a 16-Year Study of Young Australian Women. AB - INTRODUCTION: The aims of this prospective cohort study were to examine 16-year trajectories of weight and BMI in young adult women who had a healthy BMI in 1996 and determinants of remaining in the healthy BMI category. METHODS: A total of 4,881 women with healthy BMI at baseline and either healthy, overweight, or obese BMI at 16-year follow-up reported their weight, height, health, and health behaviors in six surveys of the Australian Longitudinal Study on Women's Health between 1996 (aged 18-23 years) and 2012 (aged 34-39 years). Determinants of BMI maintenance were estimated using binary logistic regression and generalized estimating equations in 2015. RESULTS: Almost 60% remained in the healthy BMI category from 1996 to 2012, (mean weight gain, 0.19 kg/year), 29% transitioned to overweight BMI (0.83 kg/year), and 11.6% transitioned to obese (1.73 kg/year). The mean rates of annual weight gain in each group were consistent over time. Only three factors (low alcohol, moderate/high physical activity, having a university degree) were positively associated with maintaining a healthy BMI. Additional behavioral factors (smoking, high sitting time, energy intake, dieting, takeaway food, and use of oral contraceptives), as well as blue collar occupation, separation/divorce/widowhood, and major illness were negatively associated with BMI maintenance. CONCLUSIONS: To prevent the transition from healthy to overweight/obese BMI, weight gain must be limited to <0.5 kg/year. Women with healthy BMI, but with higher rates of weight gain in their early 20s, could be identified by health professionals for assistance with prevention of becoming overweight/obese. PMID- 27866602 TI - Biosynthetic nanoparticles for biotechnological and biomedical applications. PMID- 27866601 TI - Assessment of State Perinatal Hepatitis B Prevention Laws. AB - INTRODUCTION: Identifying pregnant women with hepatitis B virus (HBV) infection for post-exposure prophylaxis of their infants is critical to preventing mother to-child transmission of HBV infection. HBV infection in infancy results in premature death from chronic liver disease or cancer in 25% of affected infants. Universal screening of pregnant women for HBV infection is the standard of care, and in many states is supported by laws for screening and reporting these infections to public health. No recent assessment of state screening and reporting laws for HBV infection has been published. METHODS: In 2014, the authors analyzed laws current through December 31, 2013 from U.S. jurisdictions (50 states and the District of Columbia) related to HBV infection and hepatitis B surface antigen screening and reporting requirements generally and for pregnant women specifically. RESULTS: All states require reporting of cases of HBV infection. Twenty-six states require pregnant women to be screened. Thirty-three states require public health reporting of HBV infections in pregnant women, but only 12 states require reporting pregnancy status of women with HBV infection. CONCLUSIONS: This assessment revealed significant variability in laws related to screening and reporting of HBV infection among pregnant women in the U.S. Implementing comprehensive HBV infection screening and reporting laws for pregnant women may facilitate identifying HBV-infected pregnant women and preventing HBV infection in their infants. PMID- 27866603 TI - Effect of biosynthesized gold nanoparticles by Sargassum swartzii in alloxan induced diabetic rats. AB - Biosynthesis of gold nanoparticles (AuNPs) using Sargassum swartzii and its anti diabetic effect were studied using male wistar Albino rats. Formation of AuNPs were confirmed by UV-vis spectroscopy, Fourier transformed infrared (FTIR) spectroscopy, High-Resolution transmission electron microscopy (HR-TEM) and X-ray diffraction (XRD). Fasting blood glucose levels, serum insulin, hemoglobin and glycosylated hemoglobin levels in diabetic treated rats with AuNPs were significantly decreased compared to the control group. The results of the blood glucose level and serum insulin levels indicated that AuNPs could significantly improve the insulin resistance and glucose level in diabetic rats. AuNPs also shows reduction in anti-inflammation, tumor necrosis factor-alpha, interleukin-6 and high-sensitive C-reactive protein in diabetic rats. The data showed that AuNPs synthesized using S. swartzii exerted antidiabetic effect, accordingly improve pancreas, liver and kidney damage caused by alloxan induced diabetic rats. PMID- 27866604 TI - Impact of bio-nanogold on seed germination and seedling growth in Pennisetum glaucum. AB - Nanotechnology is leading towards the development of low cost applications to improve the cultivation and growth of plants. The use of nanotechnology in agriculture will leads to a significant effect on food industry along with opening a new area of research in agroecosystem. In this paper gold nanoparticles were biosynthesized with Cassia auriculata leaf extract at room temperature and characterized by UV-vis spectroscopy, X-ray diffraction and transmission electron microscopy. The objective of this study was to investigate effect of synthesized bio-nanogold on an important food and biofuel producing plant Pennisetum glaucum. Positive effects were observed on percentage of seed germination and growth of seedlings. Improved germination and increased plant biomass have high economic importance in production of biofuel or raw materials, agriculture and horticulture. Although the impact of nanoparticles on plants depends on concentration, size and shape. The biological synthesized AuNPs can replace the chemically synthesized AuNPs used in gene transfer method. The study gives brief insight on nanoparticles effects on plants, brings attention on both positive and negative side of nanomaterial which can resolve phytopathological infections by stimulating nutrition and growth. PMID- 27866605 TI - Hydrothermal preparation of reduced graphene oxide-silver nanocomposite using Plectranthus amboinicus leaf extract and its electrochemical performance. AB - Graphene based nanocomposites are receiving increasing attention in many fields such as material chemistry, environmental science and pharmaceutical science. In this study, a facial synthesis of a reduced graphene oxide-silver nanocomposite (RGO-Ag) was carried out from Plectranthus amboinicus leaf extract. The synthesized nanocomposite was characterized by using X-ray diffraction, scanning electron microscope, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, transmission electron microscope and UV-vis spectroscopy for structural confirmation. The reduction of graphene oxide and silver ions was achieved simultaneously due to the reducibility of the Plectranthus amboinicus leaf extract. We further investigated the electrochemical properties of the biosynthesized RGO-Ag nanocomposite. A nonenzymatic H2O2 electrochemical sensor was shown to be successfully fabricated by using biosynthesized RGO-Ag nanocomposite. Moreover, the fabricated electrochemical sensor also showed good selectivity. PMID- 27866607 TI - Synthesis of silver nanoparticles by endosymbiont Pseudomonas fluorescens CA 417 and their bactericidal activity. AB - The present study emphasizes on biogenic synthesis of silver nanoparticles and their bactericidal activity against human and phytopathogens. Nanoparticle synthesis was performed using endosymbiont Pseudomonas fluorescens CA 417 inhabiting Coffea arabica L. Synthesized nanoparticles were characterized using hyphenated spectroscopic techniques such as UV-vis spectroscopy which revealed maximum absorption 425nm. Fourier transform infrared spectroscopy (FTIR) analysis revealed the possible functional groups mediating and stabilizing silver nanoparticles with predominant peaks occurring at 3346 corresponding to hydroxyl group, 1635 corresponding carbonyl group and 680 to aromatic group. X-ray diffraction (XRD) analysis revealed the Bragg's diffraction pattern with distinct peaks at 38 degrees 44 degrees , 64 degrees and 78 degrees revealing the face centered cubic (fcc) metallic crystal corresponding to the (111), (200), (220) and (311) facets of the crystal planes at 2theta angle. The energy dispersive X ray spectroscopy (EDS) analysis revealed presence of high intense absorption peak at 3keV is a typical characteristic of nano-crystalline silver which confirmed the presence of elemental silver. TEM analysis revealed the size of the nanoparticles to be in the range 5-50nm with polydisperse nature of synthesized nanoparticles bearing myriad shapes. The particle size determined by Dynamic light scattering (DLS) method revealed average size to be 20.66nm. The synthesized silver nanoparticles exhibited significant antibacterial activity against panel of test pathogens. The results showed Klebsiella pneumoniae (MTCC 7407) and Xanthomonas campestris to be more sensitive among the test human pathogen and phyto-pathogen respectively. The study also reports synergistic effect of silver nanoparticles in combination with kanamycin which displayed increased fold activity up to 58.3% against Klebsiella pneumoniae (MTCC 7407). The results of the present investigation are promising enough and attribute towards growing scientific knowledge on development of new antimicrobial agents to combat drug resistant microorganisms. The study provides insight on emerging role of endophytes towards reduction of metal salts to synthesize nanoparticles. PMID- 27866606 TI - Effect of gemini surfactant (16-6-16) on the synthesis of silver nanoparticles: A facile approach for antibacterial application. AB - In this report, we describe the effect of Gemini surfactants1, 6-Bis (N, N hexadecyldimethylammonium) adipate (16-6-16) on synthesis, stability and antibacterial activity of silver nanoparticles (AgNPs). The stabilizing effect of Gemini surfactant and aggregation behavior of AgNPs was evaluated by plasmonic property and morphology of the AgNPs were characterized by UV-vis spectroscopy, Dynamic Light Scattering (DLS), X-ray diffraction (XRD), High resolution transmission electron microscopy (HRTEM) and Energy dispersive X-ray analysis (EDX) techniques. Interestingly, the formation of quite mono-dispersed spherical particles was found. Apart from the stabilizing role, the Gemini surfactant has promoted the agglomeration of individual AgNPs in small assemblies whose Plasmon band features differed from those of the individual nanoparticles. The antibacterial activity of the synthesized AgNPs on Gram-negative and Gram positive bacterium viz., E. coli and S. aureus was carried out by plate count, growth kinetics and cell viability assay. Furthermore, the mechanism of antibacterial activity of AgNPs was tested by Zeta potential and DLS analysis, to conclude that surface charge of AgNPs disrupts the cells causing cell death. PMID- 27866608 TI - Noble metal, oxide and chalcogenide-based nanomaterials from scalable phototrophic culture systems. AB - Phototrophic cell or tissue cultures can produce nanostructured noble metals, oxides and chalcogenides at ambient temperatures and pressures in an aqueous environment and without the need for potentially toxic solvents or the generation of dangerous waste products. These "green" synthesized nanobiomaterials can be used to fabricate biosensors and bio-reporting tools, theranostic vehicles, medical imaging agents, as well as tissue engineering scaffolds and biomaterials. While successful at the lab and experimental scales, significant barriers still inhibit the development of higher capacity processes. While scalability issues in traditional algal bioprocess engineering are well known, such as the controlled delivery of photons and gas-exchange, the large-scale algal synthesis of nanomaterials introduces additional parameters to be understood, i.e., nanoparticle (NP) formation kinetics and mechanisms, biological transport of metal cations and the effect of environmental conditions on the final form of the NPs. Only after a clear understanding of the kinetics and mechanisms can the strain selection, photobioreactor type, medium pH and ionic strength, mean light intensity and other relevant parameters be specified for an optimal bioprocess. To this end, this mini-review will examine the current best practices and understanding of these phenomena to establish a path forward for this technology. PMID- 27866609 TI - Efficient continuous biosynthesis of silver nanoparticles by activated sludge micromycetes with enhanced tolerance to metal ion toxicity. AB - The method for producing AgNPs by granules of activated sludge micromycetes with enhanced tolerance to metal ion toxicity - Penicillium glabrum, Fusarium nivale and Fusarium oxysporum has been developed; the optimum conditions for AgNP biosynthesis being found: the Ag+ ion concentration, duration of the contact of microbial cells with silver ions, a growth phase of microorganisms, medium composition, a rN value, mixing conditions, and also lighting intensity. The effect of Cl-, SO42- and HPO42- ions binding Ag+ ions was eliminated, that brought to significant increase of the yield of NPs. Under batch conditions, silver particles of 60-110 nanometers in size were formed with a 65% yield. It was established that the nanoparticles were covered with microbial cell membrane proteins composed up to 70% by weight of the NPs that prevented their aggregation. In addition, it was the first time stable AgNPs had been formed by continuous AgNP biosynthesis by living cells of F. oxysporum with an 80% yield for a long time. PMID- 27866610 TI - In vitro anticancer activity of silver nanoparticle synthesized by Escherichia coli VM1 isolated from marine sediments of Ennore southeast coast of India. AB - In the present investigation, the bacterium Escherichia coli (VM1) was isolated from a marine sediments of Ennore coastal water along southeast coast of India was exploited for its capability of Ag NPs synthesis. The derived nanoparticles were characterized employing ultraviolet-visible (UV-vis) spectroscopy, Fourier Transform Infrared (FTIR) spectroscopy, X-ray diffraction and High Resolution Transmission Electron Microscopy (HRTEM) studies. The Ag NPs were further subjected to MTT assay to evaluate their anticancer activity against human lung cancer cell line (A549), human cervical cancer cell line (HeLa) and normal (Vero) cell line. The marine E. coli (VM1) synthesized silver nanoparticles exhibited considerable cytotoxic influence against human cancer cell lines, thereby suggesting that they have tremendous potential as effective anticancer agents. PMID- 27866611 TI - Facile fabrication of eco-friendly nano-mosquitocides: Biophysical characterization and effectiveness on neglected tropical mosquito vectors. AB - Mosquito (Diptera: Culicidae) vectors are solely responsible for transmitting important diseases such as malaria, dengue, chikungunya, Japanese encephalitis, lymphatic filariasis and Zika virus. Eco-friendly control tools of Culicidae vectors are a priority. In this study, we proposed a facile fabrication process of poly-disperse and stable silver nanoparticles (Ag NPs) using a cheap leaf extract of Ichnocarpus frutescens (Apocyanaceae). Bio-reduced Ag NPs were characterized by UV-vis spectrophotometry, Fourier transform infrared spectroscopy (FTIR), X-ray diffraction analysis (XRD), atomic force microscopy (AFM), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The acute toxicity of I. frutescens leaf extract and green-synthesized Ag NPs was evaluated against larvae of the malaria vector Anopheles subpictus, the dengue vector Aedes albopictus and the Japanese encephalitis vector Culex tritaeniorhynchus. Compared to the leaf aqueous extract, Ag NPs showed higher toxicity against A. subpictus, A. albopictus, and C. tritaeniorhynchus with LC50 values of 14.22, 15.84 and 17.26MUg/mL, respectively. Ag NPs were found safer to non-target mosquito predators Anisops bouvieri, Diplonychus indicus and Gambusia affinis, with LC50 values ranging from 636.61 to 2098.61MUg/mL. Overall, this research firstly shed light on the mosquitocidal potential of I. frutescens, a potential bio-resource for rapid, cheap and effective synthesis of poly-disperse and highly stable silver nanocrystals. PMID- 27866612 TI - Carotenoid stabilized gold and silver nanoparticles derived from the Actinomycete Gordonia amicalis HS-11 as effective free radical scavengers. AB - The Actinomycete Gordonia amicalis HS-11 produced orange pigments when cultivated on n-hexadecane as the sole carbon source. When cells of this pigmented bacterium were incubated with 1mM chloroauric acid (HAuCl4) or silver nitrate (AgNO3), pH 9.0, at 25 degrees C, gold and silver nanoparticles, respectively, were obtained in a cell associated manner. It was hypothesized that the pigments present in the cells may be mediating metal reduction reactions. After solvent extraction and High Performance Liquid Chromatography, two major pigments displaying UV-vis spectra characteristic of carotenoids were isolated. These were identified on the basis of Atmospheric Pressure Chemical Ionization Mass Spectrometry (APCI-MS) in the positive mode as 1'-OH-4-keto-gamma-carotene (Carotenoid K) and 1'-OH-gamma carotene (Carotenoid B). The hydroxyl groups present in the carotenoids were eliminated under alkaline conditions and provided the reducing equivalents necessary for synthesizing nanoparticles. Cell associated and carotenoid stabilized nanoparticles were characterized by different analytical techniques. In vitro free radical scavenging activities of cells (control, gold and silver nanoparticle loaded), purified carotenoids and carotenoid stabilized gold and silver nanoparticles were evaluated. Silver nanoparticle loaded cells and carotenoid stabilized silver nanoparticles exhibited improved nitric oxide (NO) and 1,1-diphenyl-2-picrylhydrazyl (DPPH) scavenging activities compared to their control and gold counterparts. This paper thus reports cell associated nanoparticle synthesis by G. amicalis, describes for the first time the role of carotenoid pigments in metal reduction processes and demonstrates enhanced free radical scavenging activities of the carotenoid stabilized nanoparticles. PMID- 27866613 TI - A facile and green strategy for the synthesis of Au, Ag and Au-Ag alloy nanoparticles using aerial parts of R. hypocrateriformis extract and their biological evaluation. AB - A facile and green strategy is reported here to synthesize gold (Au), silver (Ag) and gold-silver (Au-Ag) alloy nanoparticles (NPs) through bio-reduction reactions of aqueous corresponding metal precursors mediated by extracts of aerial parts of R. hypocrateriformis, which act as both reducing and stabilizing agents, under microwave irradiation. UV-vis spectrophotometer, XRD, FT-IR, FESEM/TEM, TGA and EDAX analysis were used to characterize the obtained NPs. The formation of NPs is evident from their surface plasmon resonance peak observed at lambdamax=~550, 450 and 500nm for Au, Ag and Au-Ag alloy NPs respectively. XRD pattern revealed that fcc structure, while FT-IR spectra signify the presence of phytochemicals adsorbed on NPs. Such a biofunctionalized NPs were characterized by their weight loss, 30% due to thermal degradation of plant phytochemicals observed in TG analysis. The spherical shape of Au, Ag and Au-Ag alloy NPs (~10-50nm) is observed by FE-SEM/TEM images. EDAX analysis confirms the expected elemental composition. Moreover, these NPs showed enhanced antimicrobial, antioxidant, and anticancer activities, though it is more pronounced for Au-Ag alloy NPs, which is due to the combining effect of phytochemicals, Au and Ag metals. Thus, the biosynthesized NPs could be applied as effective growth inhibitors for various biomedical applications. PMID- 27866615 TI - Anti-neoplastic selenium nanoparticles from Idiomarina sp. PR58-8. AB - Selenium nanoparticles (SeNPs) with novel biological activities, cancer cell selectivity, and low toxicity towards normal cells have gained attention for chemo-therapeutic and chemo-preventive applications. These nanoparticles may be synthesized using micro-organisms, which is the green alternative of nanofabrication. Here we report the intracellular synthesis of SeNPs by the moderate halophilic bacterium, Idiomarina sp. PR58-8 using sodium selenite as the precursor. Characterization of SeNPs by XRD exhibited the characteristic Bragg's peak of hexagonal selenium with a crystallite domain size of 34nm. Morphological characterization by TEM exhibited spherical nanoparticles with a size distribution of 150-350nm. The non-protein thiols were found to be involved in resistance/reduction of sodium selenite. The SeNPs exhibited selectivity in exerting cytotoxicity towards human cervical cancer cell line, HeLa, while being non-toxic towards model normal cell line, HaCaT. The SeNPs induced a caspase dependent apoptosis in HeLa cell lines as exhibited by the ROS assay, apoptotic index assay, and western blot analysis. These results suggest the application of SeNPs synthesized by Idiomarina sp. PR58-8 as potential anti-neoplastic agents. PMID- 27866614 TI - In vivo synthesis of nano-selenium by Tetrahymena thermophila SB210. AB - Nano-selenium has a great potential to be used in chemical, biological, medical and environmental fields. Biological methods for nano-selenium synthesis have attracted wide interests, because they can be operated at ambient temperature and pressure without complicated equipments. In this work, a protozoa, Tetrahymena thermophila (T. thermophila) SB210, was used to in vivo synthesize nano-selenium. The biosynthesized nano-selenium was characterized using transmission electron microscopy, energy dispersive X-ray spectroscopy and Raman spectroscopy. The synthesized amorphous spherical selenium nanoparticles had diameters of 50-500nm with the coexistence of irregular nano-selenium. The expressions of glutathione (GSH) synthesis related gene glutathione synthase, cysteine-rich protein metallothionein related gene metallothionein-1 and [2Fe-2S] cluster-binding protein related gene were up-regulated in the nano-selenium producing group. Also, the subsequent GSH detection and in vitro synthesis experimental results suggest the three proteins were likely to be involved in the nano-selenium synthesis process. PMID- 27866616 TI - In vivo synthesis of europium selenide nanoparticles and related cytotoxicity evaluation of human cells. AB - Nanotechnology strives to combine new materials for development of noble nanoparticles. As the nanoparticles exhibit unique optical, electronic, and magnetic properties depending on their composition, developing safe, cost effective and environmentally friendly technologies for the synthesis have become an important issue. In this study, in vivo synthesis of europium selenide (EuSe) nanoparticles was performed using recombinant Escherichia coli cells expressing heavy-metal binding proteins, phytochelatin synthase and metallothionein. The formation of EuSe nanoparticles was confirmed by using UV-vis spectroscopy, spectrofluorometry, X-ray diffraction, energy dispersive X-ray and transmission electron microscopy. The synthesized EuSe nanoparticles exhibited high fluorescence intensities as well as strong magnetic properties. Furthermore, anti cancer effect of EuSe nanoparticles against cancer cell lines was investigated. This strategy for the biogenic synthesis of nanoparticles has a great potential as bioimaging tools and drug carrying agents in biomedical fields due to its simplicity and nontoxicity. PMID- 27866617 TI - Synthesis of CdS nanoparticles from cadmium sulfate solutions using the extracellular polymeric substances of B. licheniformis as stabilizing agent. AB - Mining and hydrometallurgical industries produce large amounts of hazardous metal sulfate solutions as a by-product which can be recycled and exploited to produce valuable and advanced materials. Here, for the first time, extracellular polymeric substances of Bacillus licheniformis were applied as biosurfactants to synthesize quantum dots of cadmium sulfide from pure artificial and impure industrial cadmium sulfate solutions. The bacterial biopolymers stabilized the generated crystalline nuclei as colloidal dots and prevented their further growth or agglomeration. In order to discover the composition and size distribution of the produced particles, characterization was performed by X-ray diffraction (XRD), and transmission electron microscopy (TEM). Results showed that the particles biosynthesized from the pure solution were nano-sized cubic crystals of CdS with the dimensions of 2-10nm. The same product was also derived from the impure industrial solution. The outcomes of this study indicate the feasibility of cadmium or probably other metal recovery from industrial solutions and wastewaters in the form of valuable metal sulfide nanoparticles. PMID- 27866618 TI - "Use of acidophilic bacteria of the genus Acidithiobacillus to biosynthesize CdS fluorescent nanoparticles (quantum dots) with high tolerance to acidic pH". AB - The use of bacterial cells to produce fluorescent semiconductor nanoparticles (quantum dots, QDs) represents a green alternative with promising economic potential. In the present work, we report for the first time the biosynthesis of CdS QDs by acidophilic bacteria of the Acidithiobacillus genus. CdS QDs were obtained by exposing A. ferrooxidans, A. thiooxidans and A. caldus cells to sublethal Cd2+ concentrations in the presence of cysteine and glutathione. The fluorescence of cadmium-exposed cells moves from green to red with incubation time, a characteristic property of QDs associated with nanocrystals growth. Biosynthesized nanoparticles (NPs) display an absorption peak at 360nm and a broad emission spectra between 450 and 650nm when excited at 370nm, both characteristic of CdS QDs. Average sizes of 6 and 10nm were determined for green and red NPs, respectively. The importance of cysteine and glutathione on QDs biosynthesis in Acidithiobacillus was related with the generation of H2S. Interestingly, QDs produced by acidophilic bacteria display high tolerance to acidic pH. Absorbance and fluorescence properties of QDs was not affected at pH 2.0, a condition that totally inhibits the fluorescence of QDs produced chemically or biosynthesized by mesophilic bacteria (stable until pH 4.5-5.0). Results presented here constitute the first report of the generation of QDs with improved properties by using extremophile microorganisms. PMID- 27866619 TI - Rhizopus stolonifer mediated biosynthesis of biocompatible cadmium chalcogenide quantum dots. AB - We report an efficient method to biosynthesize biocompatible cadmium telluride and cadmium sulphide quantum dots from the fungus Rhizopus stolonifer. The suspension of the quantum dots exhibited purple and greenish-blue luminescence respectively upon UV light illumination. Photoluminescence spectroscopy, X-ray diffraction, and transmission electron microscopy confirms the formation of the quantum dots. From the photoluminescence spectrum the emission maxima is found to be 424 and 476nm respectively. The X-ray diffraction of the quantum dots matches with results reported in literature. The 3-(4,5-dimethylthiazol-2-yl)-2,5 diphenyltetrazolium bromide assay for cell viability evaluation carried out on 3 days transfer, inoculum 3*105 cells, embryonic fibroblast cells lines shows that more than 80% of the cells are viable even after 48h, indicating the biocompatible nature of the quantum dots. A good contrast in imaging has been obtained upon incorporating the quantum dots in human breast adenocarcinoma Michigan Cancer Foundation-7 cell lines. PMID- 27866620 TI - Extracellular biosynthesis of copper sulfide nanoparticles by Shewanella oneidensis MR-1 as a photothermal agent. AB - Photothermal therapy (PTT) is a minimally invasive and effective cancer treatment method and has a great potential for innovating the conventional chemotherapy approaches. Copper sulfide (CuS) exhibits photostability, low cost, and high absorption in near infrared region, and is recognized as an ideal candidate for PTT. However, CuS, as a photothermal agent, is usually synthesized with traditional chemical approaches, which require high temperature, additional stabilization and hydrophilic modification. Herein, we report, for the first time, the preparation of CuS nanoparticles as a photothermal agent by a dissimilatory metal reducing bacterium Shewanella. oneidensis MR-1. The prepared nanoparticles are homogenously shaped, hydrophilic, small-sized (~5nm) and highly stable. Furthermore, the biosynthesized CuS nanoparticles display a high photothermal conversion efficiency of 27.2% because of their strong absorption at 1100nm. The CuS nanoparticles could be effectively used as a PTT agent under the irradiation of 1064nm. This work provides a simple, eco-friendly and cost effective approach for fabricating PTT agents. PMID- 27866621 TI - Biogenic FeS accelerates reductive dechlorination of carbon tetrachloride by Shewanella putrefaciens CN32. AB - Dissimilatory metal reducing bacteria (DMRB) widely exist in the subsurface environment and are involved in various contaminant degradation and element geochemical cycling processes. Recent studies suggest that DMRB can biosynthesize metal nanoparticles during metal reduction, but it is unclear yet how such biogenic nanomaterials would affect their decontamination behaviors. In this study, we found that the dechlorination rates of carbon tetrachloride (CT) by Shewanella putrefaciens CN32 was significantly increased by 8 times with the formation of biogenic ferrous sulfide (FeS) nanoparticles. The pasteurized biogenic FeS enabled 5 times faster dechlorination than abiotic FeS that had larger sizes and irregular structure, confirming a significant contribution of the biogenic FeS to CT bioreduction resulting from its good dispersion and relatively high dechlorination activity. This study highlights a potentially important role of biosynthesized nanoparticles in environmental bioremediation. PMID- 27866622 TI - Palladium nanoparticles enzyme aggregate (PANEA) as efficient catalyst for Suzuki Miyaura reaction in aqueous media. AB - Palladium nanoparticles enzyme aggregate (PANEA) were prepared from Candida antarctica B lipase and palladium salt by precipitation and subsequent in situ Pd nanoparticle formation. This heterogeneous catalyst was successfully used for the Suzuki-Miyaura cross-coupling reaction between bromobenzene with different phenylboronic acid derivatives under mild reaction conditions and using low Pd amount. The nanocatalyst exhibited the highest catalytic activity in a mixture of methanol/water (1:1), obtaining good to excellent product yields from the cross coupling reaction. A variety of functional groups were accepted and the catalyst was recycled 4 times without activity loss. PMID- 27866623 TI - Biophysical characterization and activity analysis of nano-magnesium supplemented cellulase obtained from a psychrobacterium following graphene oxide immobilization. AB - Cellulase enzyme was purified from a psychrophilic strain of Bacillus subtilis obtained from east Himalayan mountains. The native enzyme showed optimum activity at 15 degrees C and pH 8.0.The Magnesium oxide nanoparticle (MgN) supplemented enzyme when immobilized on graphene oxide nanosupport (GO), via glutaraldehyde as cross linker, showed 2.98 folds increase in enzymatic activity at 8 degrees C and more than 3.5 folds activity increment at 90 degrees C. The MgN-cel on graphene (GO-MgN-cel) showed a decrease in Km by 6.7 folds at 8 degrees C and 34 folds at 90 degrees C. GO-MgN-cel showed 5 fold and 4.7 fold increase in Vmax at 8 degrees C and 90 degrees C respectively than the untreated enzyme.When compared to native enzyme, GO-MgN-cel had t1/2 (half life) and Ed increased by 72.5 fold and 2.48 fold respectively at 90 degrees C; and 41.6 fold and 2.19 fold respectively at 8 degrees C. Enzymatic activity of GO-MgN-cel was retained even after 12 repeated uses and showed storage stability at 4 degrees C for more than 120days. This nanoparticle assisted immobilization technique can be utilized in bioprocessing industries which require functioning at these extreme ranges of temperature. PMID- 27866624 TI - A review on the biosynthesis of metallic nanoparticles (gold and silver) using bio-components of microalgae: Formation mechanism and applications. AB - The synthesis of nanoparticles (NP) using algae has been underexploited and even unexplored. In recent times, there are few reports on the synthesis of NP using algae, which are being used as a bio-factory for the synthesis. Moreover, the algae are a renewable source, so that it could be effectively explored in the green synthesis of NP. Hence, this review reports on the biosynthesis of NP especially gold and silver NP using algae. The most widely reported NP from algae are silver and gold than any other metallic NP, which might be due to their enormous biomedical field applications. The NP synthesized by this method is mainly in spherical shape; the reports are revealing the fact that the cell free extracts are highly exploited for the synthesis than the biomass, which is associated with the problem of recovering the particles. Besides, mechanism involving in the reduction and stabilization is well demonstrated to deepen the knowledge towards enhancement possibilities for the synthesis and applications. PMID- 27866625 TI - Biological synthesis of nanoparticles in biofilms. AB - The biological synthesis of nanoparticles (NPs) by bacteria and biofilms via extracellular redox reactions has received attention because of the minimization of harmful chemicals, low cost, and ease of culturing and downstream processing. Bioreduction mechanisms vary across bacteria and growth conditions, which leads to various sizes and shapes of biosynthesized NPs. NP synthesis in biofilms offers additional advantages, such as higher biomass concentrations and larger surface areas, which can lead to more efficient and scalable biosynthesis. Although biofilms have been used to produce NPs, the mechanistic details of NP formation are not well understood. In this review, we identify three critical areas of research and development needed to advance our understanding of NP production by biofilms: 1) synthesis, 2) mechanism and 3) stabilization. Advancement in these areas could result in the biosynthesis of NPs that are suitable for practical applications, especially in drug delivery and biocatalysis. Specifically, the current status of methods and mechanisms of nanoparticle synthesis and surface stabilization using planktonic bacteria and biofilms is discussed. We conclude that the use of biofilms to synthesize and stabilize NPs is underappreciated and could provide a new direction in biofilm based NP production. PMID- 27866626 TI - Seaweeds: A resource for marine bionanotechnology. AB - Marine bionanotechnology is one of the most promising areas of research in modern science and technology. Although there are multitude methods for the synthesis of nanoparticles (NPs), there is an increasing attention in developing high-yield, low-cost, non-toxic and eco-friendly procedures. The vital advantages of greener synthesis are cost-effective, reduced usage of toxic chemicals and abundant availability of resources. During the last ten years, there have been many biological entities used to elevate novel, greener and affordable methods for the metal NPs synthesis. Rate of synthesis and stability are higher for plant material mediated NPs. However, in comparison with terrestrial resources, marine resources have not been fully explored for synthesis of noble metal NPs. Our present review is designed to speculate the importance of usage of vast marine resources and its mediated NPs synthesis, in particular seaweed-mediated NPs synthesis to overcome the limitations involved in physical and chemical methods. Finally, recent advancements in greener synthesis of metal NPs, their size, distribution, morphology and applications such as antimicrobial, antifouling and anticancer potentials are briefly described along with portraying the prospective scope of research in this field without any negative impact on the environment. PMID- 27866627 TI - Green synthesized nanoparticles in the fight against mosquito-borne diseases and cancer-a brief review. AB - Nanobiomedicine and parasitology are facing a number of key challenges, which mostly deal with the paucity of effective preventive and curative tools against mosquito-borne diseases and cancer. In this scenario, the employ of botanical and invertebrate extracts as reducing, stabilizing and capping agents for the synthesis of nanoparticles is advantageous over chemical and physical methods, since it is one-pot, cheap, and does not require high pressure, energy, temperature, or the use of highly toxic chemicals. Considering the overlooked connection between mosquito vector activity and the spread of cancer in USA, this review focused on the current knowledge available about green synthesized nanoparticles with efficacy against mosquito-borne diseases and cancer. Green fabricated metal nanoparticles showed antiplasmodial activity that often encompasses the efficacy of currently marked drugs for malaria treatment. They have been also reported as growth inhibitors against dengue virus (serotype DEN 2), with moderate cytotoxicity on mammalian cells. However, this feature is strongly dependent to the botanical agents employed during nanosynthesis. In addition, green nanoparticles have been successfully used to reduce mosquito young instar populations in the field. The final section focuses on some issues for future research, with special reference to the chemical standardization of the botanical extracts used for nanosynthesis and the potential effects on green fabricated nanoparticles on non-target organisms. PMID- 27866628 TI - Production of gold nanoparticles by electrode-respiring Geobacter sulfurreducens biofilms. AB - The goal of this work was to synthesize gold nanoparticles (AuNPs) using electrode-respiring Geobacter sulfurreducens biofilms. We found that AuNPs are generated in the extracellular matrix of Geobacter biofilms and have an average particle size of 20nm. The formation of AuNPs was verified using TEM, FTIR and EDX. We also found that the extracellular substances extracted from electrode respiring G. sulfurreducens biofilms reduce Au3+ to AuNPs. From FTIR spectra, it appears that reduced sugars were involved in the bioreduction and synthesis of AuNPs and that amine groups acted as the major biomolecules involved in binding. PMID- 27866629 TI - Fungal surface protein mediated one-pot synthesis of stable and hemocompatible gold nanoparticles. AB - Despite their large secretome and wide applications in bioprocesses, fungi remain underexplored in metal nanoparticles (MNP) biosynthesis. Previous studies have shown that cell surface proteins of Rhizopus oryzae play a crucial role in biomineralization of Au(III) to produce gold nanoparticles (AuNPs). Therefore, it is hypothesized that purified cell surface protein may produce in vitro AuNPs with narrow size distribution for biomedical and biocatalytic applications. However, different protein extraction methods might affect protein stability and the AuNP biosynthesis process. Herein, we have explored the extraction of cell surface proteins from R. oryzae using common detergents and reducing agent (sodium dodecyl sulfate (SDS) Triton X-100, and 1,4-dithiothreitol (DTT)) and their effect on the size and shape of the biosynthetic AuNPs. The surface proteins extracted with reducing agent (DTT) and non-ionic detergent (Triton X 100) produce spherical AuNPs with a mean particle size of 16+/-7nm, and 19+/-4nm, respectively, while the AuNPs produced by the surface protein extracted by ionic detergent (SDS) are flower-like AuNPs with broader size distribution of 43+/ 19nm. This synthetic approach does not require use of any harsh chemicals, multistep preparation and separation process, favouring environmental sustainability. The biosynthetic AuNPs thus formed, are stable in different physiological buffers and hemocompatible, making them suitable for biomedical applications. PMID- 27866630 TI - Intracellular synthesis of gold nanoparticles with antioxidant activity by probiotic Lactobacillus kimchicus DCY51T isolated from Korean kimchi. AB - A straightforward synthesis of gold nanoparticles (AuNps) is achieved by novel probiotic Lactobacillus kimchicus DCY51T isolated from Korean kimchi via an intracellular membrane-bound mechanism. The bioreduction of HAuCl4 into AuNps was verified by ultraviolet-visible spectrophotometry at ~540nm. AuNps were spherical with varying sizes of 5-30nm. AuNps maintained an average crystallite size of 13nm and demonstrated long-term stability in physiological buffer and biological media. Furthermore, the protective capping layer consisted of amino acid residues and surface-bound proteins rendered them non-toxic to murine macrophage (RAW264.7) and human colorectal adenocarcinoma (HT29) cell lines. Finally, biosynthesized AuNps served as superior free radical scavengers against 2,2 diphenyl-1-picrylhydrazyl (DPPH) in contrast to their corresponding gold salt. In short, this green synthesis is cost-effective and advantageous for the development of a new class of probiotics mediated and non-toxic carriers in targeted drug delivery systems, cancer diagnostic, photothermal therapy, biosensing, and medical imaging. PMID- 27866633 TI - Anti-PD-1 Antibody Treatment and the Development of Acute Pulmonary Tuberculosis. PMID- 27866632 TI - Predicting Malignant Nodules from Screening CTs. PMID- 27866631 TI - Rapid detection of viral antibodies based on multifunctional Staphylococcus aureus nanobioprobes. AB - Biosynthesis of nanoparticles inside S. aureus cells has enhanced the sensitivity of immunoassays based on the S. aureus nanoparticles. However, the current methods are limited to antigen detection by conjugating IgG antibodies on S. aureus nanoparticles. In this study, a simple way to conjugate antigens to the S. aureus nanobioparticles was developed by utilizing a cell wall binding domain (CBD) from a bacteriophage lysin PlyV12. Based on this novel design, simple agglutination tests of the IgG antibodies of Ebola virus (EBOV) nucleoprotein (NP) and Middle East Respiratory Virus (MERS) NP in rabbit sera were successfully developed by conjugating the S. aureus nanobioparticles with two fusion proteins EBOV NP- CBD and MERS NP-CBD, respectively. The conjugation was done easily by just mixing the fusion proteins with the S. aureus nanoparticles. The detection time was within 20 min without any special equipment or expertise. As far as we know, this is the first time to realize the detection of viral antibodies based on S. aureus nanoparticles. PMID- 27866634 TI - Transient Asymptomatic Pulmonary Opacities during Osimertinib Treatment: "Stop or Go" Decision. PMID- 27866635 TI - Prophylactic Cranial Irradiation for Extensive-Stage Small Cell Lung Cancer. PMID- 27866636 TI - Prophylactic Cranial Irradiation for Extensive-Stage Small Cell Lung Cancer: Authors' Reply. PMID- 27866637 TI - Are All ALK Inhibitors Really Necessary? PMID- 27866638 TI - Sequential Use of ALK Inhibitors: An Optional Approach. PMID- 27866639 TI - Innovation within a university setting. AB - Elisabeth K. Wynne, MD, completed her undergraduate degree in bioengineering and is currently a surgical resident in training at the University of Washington. From 2014-2016, she served as a Biodesign Fellow at Stanford University. She plans to pursue a career of innovation as an academic surgeon. Thomas M. Krummel, MD, is the Emile Holman Professor and Chair Emeritus of the Department of Surgery at Stanford University School of Medicine. Throughout his career, Dr Krummel has been a pioneer and an innovator. For >12 years, he has partnered with Dr Paul Yock to co-direct the Stanford Biodesign program, which is designed to teach innovation at the emerging frontiers of engineering and biomedical sciences. Dr Krummel is Chairman of the Fogarty Institute for Innovation Board of Directors, and President of the International Scientific Committee at Institut de Recherche contre les Cancers de l'Appareil Digestif - IRCAD at the University of Strasbourg and is a frequent consultant to the medical device industry. PMID- 27866640 TI - Innovation in rural settings. PMID- 27866641 TI - Optimizing the success of surgeons innovating and commercializing ideas: 10 lessons learned. AB - Michael Blackhurst is a salaried employee in the role of General Manager of the Surgical Product Group of Fisher and Paykel Healthcare Limited. PMID- 27866643 TI - Evaluating levels of dentist participation in Medicaid: A complicated endeavor. AB - BACKGROUND: The availability of dentists to care for Medicaid beneficiaries is a longstanding concern of many families and those who serve them in the dental profession as well as policy makers. Yet, little information beyond the number of enrolled dentists has been reliably determined. The American Dental Association (ADA) Health Policy Institute has called for more nuanced measures that better reflect dentistry's contribution to the care of Medicaid beneficiaries. METHODS: The authors calculated percentages of general and pediatric dentists who enrolled in Medicaid, billed Medicaid, and treated Medicaid beneficiaries in each state for which data were available from the ADA's 2008 study, the Association of State and Territorial Dental Directors' 2013 report, and the 2013 federal Web site InsureKidsNow.org. To determine the number of primary dentists available to treat Medicaid beneficiaries, the ADA masterfile list of clinically active dentists was adjusted to remove nonpediatric dental specialists. RESULTS: The authors determined that the ADA's 2015 analysis of dentists enrolled in Medicaid was the most rigorously assessed source for enrollment but did not report numbers of billing or treating dentists. Increasingly stringent metrics of participation are associated with considerable declines in dentist participation. They found the underlying data sources unreliable, inaccurate, and incomparable within and among states. CONCLUSIONS: The authors concluded that no consistent, comparable, ongoing source of dentist participation in Medicaid exists that reliably provides substantive information to the profession and policy makers. PRACTICAL IMPLICATIONS: Dentistry's ability to respond to policymakers' concerns about service to Medicaid beneficiaries depends on the development and implementation of a standardized, reliable, systematic, and ongoing method to measure meaningful participation. PMID- 27866642 TI - Genetic susceptibility to Gilbert's syndrome in a valencian population; efficacy of the fasting test. AB - OBJECTIVE: To describe the populational distribution of the UGT1A1*28 variant (genetic variant code rs8175347) located in the promotor of the UGT gene and correlate its genotypes with the results of the fasting test, as well as its relationship with the biochemical disorder of Gilbert's syndrome (GS) in a Valencian population. PATIENTS AND METHODS: We studied the prevalence of the genotypes (TA)6/6 (TA)6/7 and (TA)7/7 of the deleterious variant rs8175347 in 144 patients with hyperbilirubinemia, 38 of whom had previously undergone the fasting test to diagnose GS, and in 150 control patients. By analysing the genomic region of the TATA box of the UGT1A1 gene promotor using Sanger sequencing, we established the correlation between the rs8175347 genotypes and the fasting test results and with the patients' biochemical disorders. RESULTS: The rate of heterozygosity of allele (TA)7 in the control population was 32% and increased to 87.59% among the patients with suspected GS. The rate of genotype TA7/7 was 81.94% among the patients with hyperbilirubinemia, compared with 11.33% in the control patients. The fasting test showed a 15.79% rate of false negatives and a 5.26% rate of false positives. CONCLUSIONS: The high frequency of allele (TA)7 among the Valencian control population, almost double the 5% reported for European control patients, confirms the high rate of GS reported in the Spanish population, without observing significant differences between the geographical ends of the country. The efficacy and reliability of the fasting test for the diagnosis of GS is questionable. PMID- 27866644 TI - China-leading the way in diabetes research. PMID- 27866645 TI - Reply. PMID- 27866646 TI - A Prospective Study of Biometric Stability After Scleral Buckling Surgery. PMID- 27866647 TI - The Maastricht-Duke bridge: An era of mentoring in clinical research - A model for mentoring in clinical research - A tribute to Dr. Galen Wagner. AB - OBJECTIVE: With the passing of Dr. Galen Wagner, an exceptional collaboration between Maastricht University Medical Center, The Netherlands, and Duke Clinical Research Institute, USA, has come to an end. This article focuses on the background of what Galen coined the Maastricht-Duke bridge (MD-bridge), its merits, limitations and development throughout the years, and his special role. METHODS: Between 2004 and 2015, 23 Maastricht University medical students and post-graduate students were enrolled in the 4-month research elective, mentored by Galen and the Maastricht co-mentor. They were asked to complete a survey about their MD-bridge experience. RESULTS: Sixteen out of the 23 students responded. None but 1 participant had prior research experience. Following their MD bridge program most participants published 1 or more manuscripts and/or presented their research in an international setting. They felt they had full responsibility as a leader of their project with all participants developing meaningful skills useful in their current job. Fourteen out of 16 would recommend the MD-bridge experience to others. Participants considered the program of great value for their personal growth and independence, giving a feeling of achievement. In addition, for some participants it led to careers in foreign countries including medical practice and research, or obtaining PhDs. CONCLUSIONS: With Galen's impressive career of mentoring students, including the 23 MD-bridge participants, he has left behind an amazing concept of self-development in research and personal life. The successes of the MD-bridge prove that it is possible for students to be young investigators during or just after medical school with the potential to contribute to developing meaningful skills and noteworthy careers. Collaborations between international universities, such as the MD-bridge, are feasible and should be embraced by other institutions. PMID- 27866648 TI - Extracorporeal life support is safe in trauma patients. AB - INTRODUCTION: The role of extracorporeal life support (ECLS) in the critically ill trauma patient is poorly defined, possibly leading to the underutilization of this lifesaving therapy in this population. This study examined survival rates and risk factors for death in trauma patients who received ECLS. METHODS: Data from the National Trauma Data Bank was retrospectively reviewed to identify trauma patients who received ECLS from January 2012 to December 2014. Clinical outcomes and risk factors for death were examined in these patients. RESULTS: Eighty patients were identified and included in the final analysis. Overall survival to hospital discharge was 64%. Survivors and non-survivors were similar in regard to age, gender, weight, and injury mechanism. Non-survivors had greater median injury severity scores (ISS) (29 non-survivors vs. 24 survivors, p=0.018) and had a shorter median total hospital length of stay (8days non-survivors vs. 32days survivors, p<0.001). Analysis of specific anatomic locations of traumatic injury, including serious head/neck, thoracic, and abdominal injuries, revealed no impact on patient survival. Multivariable logistic regression analysis identified increasing age and ISS as significant risk factors for mortality; whereas treatment at facilities that performed multiple ECLS runs over the study period was associated with improved survival. CONCLUSIONS: Extracorporeal life support appears to be an effective treatment option in trauma patients with severe cardiopulmonary failure. Survival in trauma patients receiving ECLS is similar to that observed in the general ECLS population and this may represent an underutilized therapy in this population. PMID- 27866649 TI - Management of paediatric splenic injury in the New South Wales trauma system. AB - : Since the 1980's, paediatric surgeons have increasingly managed blunt splenic injury (BSI) in children non-operatively. However, studies in North America have shown higher operation rates in non-paediatric centres and by adult surgeons. This association has not been examined elsewhere. OBJECTIVE: To investigate the management of BSI in New South Wales (NSW) children, to determine the patient and hospital factors related to the odds of operation. Secondarily, to investigate whether the likelihood of operation varied by year. METHODS: Children age 0-16 admitted to a NSW hospital between July 2000 and December 2011 with a diagnosis of BSI were identified in the NSW Admitted Patient Data Collection, and linked to deaths data from Registry of Births Deaths and Marriages, and Bureau of Statistics. The operation rate was calculated and compared between different hospital types. Univariable analysis was used to determine patient and hospital factors associated with operative management. The difference in the odds of operation between the oldest data (July 2000-December 2005) and most recent (January 2006-December 2011) was also examined. Multivariable logistic regression with stepwise elimination was then performed to determine likelihood of operative management according to hospital category and era, adjusting for potential confounders. RESULTS: 955 cases were identified, with 101(10.6%) managed operatively. On multivariable analysis, factors associated with operation included age (OR 1.11, 95% CI 1.01-1.18, p<0.05), massive splenic disruption (OR 3.10, 95% CI 1.61-6.19, p<0.001), hollow viscus injury (OR 11.03, 95% CI 3.46 34.28, p<0.001) and transfusion (OR 7.70, 95% CI 4.54-13.16, p<0.001). Management outside a paediatric trauma centre remained significantly associated with operation, whether it be metropolitan adult trauma centre (OR 4.22 95% CI 1.70 10.52, p<0.01), rural trauma centre (OR 3.72 95% CI 1.83-7.83, p<0.001) or metropolitan local hospital (OR 5.23, 95% CI 1.22-18.93 p<0.05). Comparing the 2 eras, the overall operation rate fell, although not significantly, from 12.9% to 8.7% (OR 1.3, 95% CI 0.89-243 p=0.13) CONCLUSION: While Paediatric Surgeons have wholeheartedly adopted non-operative management, away from paediatric centres, children in NSW are still being operated on for BSI unnecessarily. While the factors at play may be complex, further evaluation of the management and movement of injured children within the broad NSW trauma system is required. PMID- 27866650 TI - Evidence-Based and Personalized Medicine. It's [AND] not [OR]. AB - Good clinical practice is an amalgamation of personalized medicine with evidence based medicine in the best interests of patient. Hence, our title uses Boolean operators to indicate that it is [AND] not [OR]. This is the syntax of formal searching for systematic reviews, ensuring that all the evidence is found. Comprehensive evidence-based guidance can thus be formulated. Many residents and fellows around the world, and their chiefs, are now exposed to consensus documents, white papers, levels of appropriateness, and guidelines and are in many jurisdictions expected to comply with them. However, they are the summation of many forms of evidence, each of which has its place, and we consider them in turn in this article. PMID- 27866651 TI - Cardiac Surgery in Patients With Previous Hepatic or Renal Transplantation: A Pair-Matched Study. AB - BACKGROUND: The objective of this study was to compare outcomes of patients with previous solid organ transplant with those of a pair-matched population. METHODS: Data from our prospectively maintained cardiac surgery registry were obtained and identified 70 transplant recipients (21 hepatic, 49 renal) who were operated on at our department of cardiac surgery between 2000 and 2013; they formed the transplant group. Those patients were pair-matched regarding age, sex, and cardinal cardiac risk factors to form the pair-matched group. RESULTS: Early mortality was 15.7% in the transplant group (23.8% hepatic, 12.2% renal allograft recipients) versus 5.7% in the pair-matched population. The overall mortality was 32.9% in the transplant group (38.1% hepatic, 30.6% renal allograft recipients) versus 11.4% in the pair-matched group (p < 0.01) over a median follow-up of 32 months. Transplant patients had more bleeding complications (12.9%) than the pair matched patients (1.4%), and more operative reexploration (15.7% versus 2.9%), atrial fibrillation (32.9% versus 10.0%), new-onset dialysis (17.1% versus 5.7%), and sepsis (10.0% versus 1.4%). One-, 2-, 5-, and 10-year survival for the transplant group versus the pair-matched group, respectively, was 74%, 71%, 66%, and 56% versus 93%, 91%, 88%, 81%. Multivariate predictors of mortality were solid organ transplant (hazard ratio 3.8, 95% confidence interval: 1.6 to 9.2), intraoperative transfusion (hazard ratio 1, 95% confidence interval: 1.00 to 1.01), and postoperative increase in bilirubin concentration (hazard ratio 1.34, 95% confidence interval: 1.08 to 1.65). CONCLUSIONS: Cardiac surgery is feasible for recipients of solid organ transplants with acceptable early morbidity and mortality. PMID- 27866652 TI - Tortuosity, Recurrent Segments, and Bridging of the Epicardial Coronary Arteries in Patients With the Takotsubo Syndrome. AB - Myocardial bridging (MB) and a long recurrent wraparound left anterior descending artery (wrap-LAD) are coronary anatomic variants that have been recently suggested to be associated with takotsubo syndrome (TS). Until now, coronary artery tortuosity (CAT) has never been investigated in this setting. Our study sought to evaluate the prevalence of the aforementioned anatomic variants in a large population with TS. In this retrospective angiographic study, 109 patients with TS were compared with 109 age- and gender-matched subjects without coronary artery disease, valve heart disease, or cardiomyopathy. CAT was identified by >=3 consecutive curvatures >=90 degrees (criteria 1) or by >=2 consecutive curvatures >=180 degrees (criteria 2). Wrap-LAD was defined if any part of the vessel outreached the apex of the left ventricle and MB as the presence of a milking effect or a step-up and step-down phenomenon. An anatomic variant was found in 79 patients with TS (72%) and in 48 controls (44%) (p <0.001). CAT in at least 1 vessel (criteria 1: 49% vs 20%, p <0.001; criteria 2: 38% vs 13%, p <0.001), >=2 vessels (criteria 2: 14% vs 3%, p = 0.005), and wrap-LAD (41% vs 27%, p = 0.02) were significantly more frequent in patients with TS than in controls. The prevalence of MB (9% vs 5%, p = 0.18) did not differ between groups. In conclusion, CAT and wrap-LAD have higher prevalence in patients with TS than in matched controls. These findings could support the hypothesis that anatomic variants might act as potential pathogenic substrates in TS. PMID- 27866653 TI - Thoralf Mauritz Sundt III, MD: A Conversation With the Editor. PMID- 27866655 TI - Prediction of Cardiovascular Mortality by Estimated Cardiorespiratory Fitness Independent of Traditional Risk Factors: The HUNT Study. AB - OBJECTIVE: To assess the predictive value of estimated cardiorespiratory fitness (eCRF) and evaluate the additional contribution of traditional risk factors in cardiovascular disease (CVD) mortality prediction. PARTICIPANTS AND METHODS: The study included healthy men (n=18,721) and women (n=19,759) aged 30 to 74 years. A nonexercise algorithm estimated cardiorespiratory fitness. Cox proportional hazards models evaluated the primary (CVD mortality) and secondary (all-cause, ischemic heart disease, and stroke mortality) end points. The added predictive value of traditional CVD risk factors was evaluated using the Harrell C statistic and net reclassification improvement. RESULTS: After a median follow-up of 16.3 years (range, 0.04-17.4 years), there were 3863 deaths, including 1133 deaths from CVD (734 men and 399 women). Low eCRF was a strong predictor of CVD and all cause mortality after adjusting for established risk factors. The C statistics for eCRF and CVD mortality were 0.848 (95% CI, 0.836-0.861) and 0.878 (95% CI, 0.862-0.894) for men and women, respectively, increasing to 0.851 (95% CI, 0.839 0.863) and 0.881 (95% CI, 0.865-0.897), respectively, when adding clinical variables. By adding clinical variables to eCRF, the net reclassification improvement of CVD mortality was 0.014 (95% CI, -0.023 to 0.051) and 0.052 (95% CI, -0.023 to 0.127) in men and women, respectively. CONCLUSION: Low eCRF is independently associated with CVD and all-cause mortality. The inclusion of traditional clinical CVD risk factors added little to risk discrimination and did not improve the classification of risk beyond this simple eCRF measurement, which may be proposed as a practical and cost-effective first-line approach in primary prevention settings. PMID- 27866658 TI - Effect of Modulated Electrohyperthermia on the Pharmacokinetics of Oral Transmucosal Fentanyl Citrate in Healthy Volunteers. AB - PURPOSE: This study aimed to determine whether changes occur in fentanyl absorption and disposition when administered in conjunction with modulated electrohyperthermia (mEHT) treatment. METHODS: A randomized, single-dose, crossover, open-label study was used to investigate the effect of mEHT on the pharmacokinetic properties of fentanyl in 12 healthy volunteers. The 12 healthy volunteers were each administered a single dose of oral transmucosal fentanyl citrate (OTFC) or a single dose of OTFC with mEHT. mEHT was performed on the abdomen for 1 hour. Blood samples were collected for 24 hours after dosing. The temperature of the abdominal skin surface was assessed before dosing and at 10, 20, and 60 minutes after dosing. FINDINGS: Geometric mean ratios (ratio of fentanyl with mEHT to fentanyl alone) for the Cmax and AUC0-last were 1.20 (90% CI, 1.09-1.32) and 1.15 (90% CI, 0.99-1.33), respectively. The mean temperature of the abdominal skin surface increased by approximately 4 degrees C. IMPLICATIONS: There was an increase in the overall exposure to the drug without implications of any clinical significance. OTFC can be administered without limitations in combination with mEHT, and it is not necessary to modify the dosing regimen. cris.nih.go,kr Identifier: KCT0001286. PMID- 27866656 TI - An analysis of possible off target effects following CAS9/CRISPR targeted deletions of neuropeptide gene enhancers from the mouse genome. AB - We have successfully used comparative genomics to identify putative regulatory elements within the human genome that contribute to the tissue specific expression of neuropeptides such as galanin and receptors such as CB1. However, a previous inability to rapidly delete these elements from the mouse genome has prevented optimal assessment of their function in-vivo. This has been solved using CAS9/CRISPR genome editing technology which uses a bacterial endonuclease called CAS9 that, in combination with specifically designed guide RNA (gRNA) molecules, cuts specific regions of the mouse genome. However, reports of "off target" effects, whereby the CAS9 endonuclease is able to cut sites other than those targeted, limits the appeal of this technology. We used cytoplasmic microinjection of gRNA and CAS9 mRNA into 1-cell mouse embryos to rapidly generate enhancer knockout mouse lines. The current study describes our analysis of the genomes of these enhancer knockout lines to detect possible off-target effects. Bioinformatic analysis was used to identify the most likely putative off target sites and to design PCR primers that would amplify these sequences from genomic DNA of founder enhancer deletion mouse lines. Amplified DNA was then sequenced and blasted against the mouse genome sequence to detect off-target effects. Using this approach we were unable to detect any evidence of off-target effects in the genomes of three founder lines using any of the four gRNAs used in the analysis. This study suggests that the problem of off-target effects in transgenic mice have been exaggerated and that CAS9/CRISPR represents a highly effective and accurate method of deleting putative neuropeptide gene enhancer sequences from the mouse genome. PMID- 27866657 TI - Distribution and chemical coding of sensory neurons innervating the skin of the porcine hindlimb. AB - The aim of the present study was to establish the origin and chemical phenotyping of neurons involved in skin innervation of the porcine hind leg. The dorsal root ganglia (DRGs) of the lumbar (L4-L6) and sacral (S1-S3) spinal nerves were visualized using the fluorescent tracer Fast Blue (FB). The morphometric analysis of FB-positive (FB+)neurons showed that in the L4, L5, S1 and S2 DRGs, the small sized perikarya constituted the major population, whereas in the L6 and S3 DRGs the medium-sized cells made up the major population. In all these ganglia, large sized FB+ perikarya constituted only a small percentage of all FB+ neurons. Immunohistochemistry revealed that small- and medium-sized FB+ perikarya contained sensory markers such as: substance P (SP), calcitonin gene related peptide (CGRP) and galanin (GAL); as well as various other factors such as somatostatin (SOM), calbindin-D28k (CB), pituitary adenylate cyclase-activating polypeptide (PACAP) and neuronal nitric oxide synthase (nNOS). Meanwhile large sized FB+ perikarya usually expressed SP, CGRP or PACAP. In the lumbar DRGs, some large cells also contained SOM and CB. Double-labeling immunohistochemistry showed that SP-positive neurons co-expressed CGRP, GAL or PACAP; while PACAP positive cells co-expressed GAL or nNOS. Neurons stained for SOM were also immunoreactive for CB or GAL, while neurons stained for nNOS were also immunoreactive for GAL. In conclusion, the present data has indicated that the distribution and chemical phenotyping of the porcine skin-projecting neurons are different within DRGs of the lumbar (forming a femoral nerve) and sacral (forming a sciatic nerve) spinal nerves. PMID- 27866654 TI - CRISPR-Based Technologies for the Manipulation of Eukaryotic Genomes. AB - The CRISPR-Cas9 RNA-guided DNA endonuclease has contributed to an explosion of advances in the life sciences that have grown from the ability to edit genomes within living cells. In this Review, we summarize CRISPR-based technologies that enable mammalian genome editing and their various applications. We describe recent developments that extend the generality, DNA specificity, product selectivity, and fundamental capabilities of natural CRISPR systems, and we highlight some of the remarkable advancements in basic research, biotechnology, and therapeutics science that these developments have facilitated. PMID- 27866659 TI - Value of Propensity Score Matching for Equalizing Comparator Groups in Observational Database Studies: A Case Study in Anti-infectives. AB - PURPOSE: Propensity score methodologies can reduce bias and confounding in nonrandomized studies, including pharmaceutical comparative effectiveness studies. An observational case study was developed to demonstrate the impact of propensity score adjustments on outcomes (ie, discharge status) of patients hospitalized for complicated intra-abdominal infections. METHODS: Two cohorts were examined: intensive care unit (ICU) (vs non-ICU) patients and tigecycline treated patients (vs patients receiving other antibiotics). Discharge status was captured before propensity scoring. FINDINGS: The impact of propensity scoring on discharge outcome was greater when comparing ICU patients versus non-ICU patients than when comparing tigecycline recipients versus nonrecipients. IMPLICATIONS: Propensity scoring should be examined carefully to optimize its effects. Moreover, propensity scoring only addresses bias and confounding in nonrandomized studies that are attributable to variables contained within the dataset (ie, so called "observables") and not to other variables that may influence the relationship between outcomes and other independent variables. PMID- 27866661 TI - A critical question for NEC researchers: Can we create a consensus definition of NEC that facilitates research progress? AB - In the last decades the reported incidence of preterm necrotizing enterocolitis (NEC) has been declining in large part due to implementing comprehensive NEC prevention initiatives, including breast milk feeding, standardized feeding protocols, transfusion guidelines, and antibiotic stewardship and improving the rigor with which non-NEC cases are excluded from NEC data. However, after more than 60 years of NEC research in animal models, the promise of a "magic bullet" to prevent NEC has yet to materialize. There are also serious issues involving clinical NEC research. There is a lack of a common, comprehensive definition of NEC. National datasets have their own unique definition and staging definitions. Even within academia, randomized trials and single center studies have widely disparate definitions. This makes NEC metadata of very limited value. The world of neonatology needs a comprehensive, universal, consensus definition of NEC. It also needs a de-identified, international data warehouse. PMID- 27866660 TI - Graft copolymerization of acrylamide on chitosan-co-chitin and its application for immobilization of Aspergillus sp. RL2Ct cutinase. AB - The synthesis of chitosan (Chs) and chitin (Chi) copolymer and grafting of acrylamide (AAm) onto the synthesized copolymer have been carried out by chemical methods. The grafted copolymer was characterized by FTIR, SEM and XRD. The extracellular cutinase of Aspergillus sp. RL2Ct (E.C. 3.1.1.3) was purified to 4.46 fold with 16.1% yield using acetone precipitation and DEAE sepharose ion exchange chromatography. It was immobilized by adsorption on the grafted copolymer. The immobilized enzyme was found to be more stable then the free enzyme and has a good binding efficiency (78.8%) with the grafted copolymer. The kinetic parameters KM and Vmax for free and immobilized cutinase were found to be 0.55mM and 1410MUmolmin-1mg-1 protein, 2.99mM and 996MUmolmin-1mg-1 protein, respectively. The immobilized cutinase was recycled 64 times without considerable loss of activity. The matrix (Chs-co-Chi-g-poly(AAm)) prepared and cutinase immobilized on the matrix have potential applications in enzyme immobilization and organic synthesis respectively. PMID- 27866663 TI - [Dermatoscopy of breast melanoma in women]. PMID- 27866662 TI - Should we believe in transfusion-associated enterocolitis? Applying a GRADE to the literature. AB - Numerous observational studies appear to demonstrate an association between packed red blood cell (pRBC) transfusions and necrotizing enterocolitis (NEC). However, the limited numbers of randomized controlled trials (RCTs) do not support a causal relationship between pRBC transfusion and NEC. We sought to determine the quality of the evidence behind transfusion-associated necrotizing enterocolitis (TANEC), and to formulate a GRADE-based recommendation regarding transfusion practices to reduce the risk of TANEC. A systematic search including MEDLINE, Embase, CINAHL, the Cochrane Central Register of Controlled Trials and clinical trials registries was performed for studies assessing the association between transfusion and NEC. Teams of two paired reviewers independently screened studies for eligibility, assessed risk of bias using the GRADE framework, and collected data from each eligible study. We examined studies for two time points following transfusion: within 48h if this was available, and otherwise at any time after transfusion. In total, 23 observational studies and three RCTs met inclusion criteria. The average rating for the quality of evidence of individual studies was between "very low" and "low." On pooling studies for GRADE review, we observed an inconsistency of results. This led to a final overall quality of "very low" for the evidence for an association between transfusions and necrotizing enterocolitis. The pooled outcome of NEC for observational/case control studies was an odds ratio of 1.13 (95% CI: 0.99-1.29) when TANEC was defined as occurring within 48 hours of transfusion. For NEC occurring at any time post-transfusion, the pooled OR was 1.95 (1.60-2.38). Conversely, the pooled outcome of NEC for the RCT data had an odds ratio of 0.6 (0.3, 1.21) with NEC being less frequent in the liberal transfusion group compared to the restrictive transfusion group. The overall quality of the evidence for TANEC is "very low," suggesting very little confidence in the effect estimate. RCT data tended toward apparent protection against NEC. The available evidence is not sufficient to support a practice recommendation around pRBC transfusions in the context of preventing the development of NEC. PMID- 27866664 TI - Introduction: Social Return On Investment (SROI). AB - An introduction to the issue Social Return On Investment (SROI), including an overview of problems prompting this special issue, plus definitions and examples of terms in this exciting, burgeoning area of cost-inclusive evaluation. PMID- 27866665 TI - "Giant cell reparative tumor: An exceptional differential diagnosis for a lytic lesion of the temporal bone". AB - BACKGROUND AND IMPORTANCE: Giant cell reparative granuloma is a very rare benign osteolytic lesion. It typically arises in the mandible and rarely involves the skull. CLINICAL PRESENTATION: A 25-year-old male was admitted in August 2002 for a painless left preauricular mass of several months duration. CT scan revealed an osteolytic extradural lesion located in the temporal bone, with extension to infratemporal fossa. We performed a surgical partial resection of the tumour via a frontotemporal approach. At 36 months after surgery, the lesion continued growth and subsequently we decided to perform a preauricular infratemporal approach. After a ten year-follow-up, the patient remained asymptomatic and a small tumour remnant was visible and stable. CONCLUSION: Giant cell reparative granulomas that originate from the temporal bone are exceptional. There are no typical radiological features of this disease. Diagnosis is confirmed by analysis of the surgical specimen. Tumor growth requires surgical resection. PMID- 27866666 TI - Why is there no "c" in nursing? PMID- 27866667 TI - CMS overhauls nursing facility regulations. PMID- 27866668 TI - Long term care nursing competence and related factors among Taiwanese nurses: A national survey for those who completed the LTC training course. AB - The aim of this study was to explore Taiwanese nurses' LTC competence and to examine its relationship with their LTC-related knowledge, care intention, and practical experience. The total sampling was selected from nurses who participated in a 2013 LTC course offered by the Ministry of Health and Welfare. Participants in this study (n = 122) voluntarily provided email addresses and responded to an online survey. A self-developed scale with acceptable reliability and validity was used for data collection. Findings from this study showed median high levels of LTC nursing competence, which was found to be positively correlated with LTC knowledge, care intention, practical experience, continuing education, and marital status. The study revealed that through on-the-job training, nurses' LTC knowledge, care intention, practical experience and nursing competence can be improved, which will benefit the quality of care for LTC clients. PMID- 27866669 TI - Conjoined twins after in-vitro fertilization. PMID- 27866670 TI - [Shift the skin paddle in an additional incision improves the result: Study of a series of 82 breast reconstructions by latissimus dorsi flap and prosthesis implantation at 10 years]. AB - : The position of the skin paddle on the breast area is a fundamental element for the breast reconstructions by latissimus dorsi flap and prosthesis implantation. Should, as Millard advocated, to recreate the initial defect and include it in the mastectomy scar or is it better in an additional incision as have others authors. This study compares the long-term morphological results of these two attitudes, with or without additional incision. PATIENTS AND METHODS: Eighty-two breast reconstructions by latissimus dorsi flap and prosthesis implantation, with a mean follow-up of 9.5 years were scored from 1 to 5 by a panel of expert and non-expert. The patients scored also their own reconstruction. Various parameters of the reconstructed breast were thus evaluated. We compared the results, according to the positioning of the skin paddle: with additional incision (50 cases); without additional incision (32 cases). The characteristics of the mastectomy scar on the breast area, high or low, horizontal or oblique, defined 6 groups where the results of the 2 surgical options were compared. RESULTS: Only the reconstructions with additional incision get significantly higher results than those without additional incision (P<0.05). This involves the two panels, in the case of high mastectomy scars. In the others cases the additional incision is not essential. CONCLUSIONS: If the realization of an additional incision can be perceived like misfit on an area already "mutilated", we plead for this solution in selected cases. This provides a benefit stable in time, in terms of overall results, shape and even rendering scar. PMID- 27866671 TI - Biology enters the scene-a new perspective on bilingualism, cognition, and dementia. AB - The question of whether bilingualism can influence cognitive functions in healthy aging as well as in brain diseases is currently a topic of an intense debate. In a study published in this issue of the "Neurobiology of Ageing", Estanga et al. are breaking new ground by combining cognitive and biological approaches. Based on the data from the Guipuzkoa Alzheimer Project, they report that, compared with monolinguals, early bilinguals are not only characterized by a better cognitive performance in several domains and a lower prevalence of Alzheimer's disease but also by lower levels of t-tau in their cerebrospinal fluid. We suggest that sustained activation of noradrenergic signaling pathways associated with bilingualism could provide a possible mechanism linking results of this study with previous observations of delayed onset of dementia in bilinguals. PMID- 27866672 TI - Chemical and biochemical thermodynamics: Is it time for a reunification? AB - The thermodynamics of chemical reactions in which all species are explicitly considered with atoms and charge balanced is compared with the transformed thermodynamics generally used to treat biochemical reactions where atoms and charges are not balanced. The transformed thermodynamic quantities suggested by Alberty are obtained by execution of Legendre transformation of the usual thermodynamic potentials. The present analysis demonstrates that the transformed values for DeltarG'0 and DeltarH'0can be obtained directly without performing Legendre transformations by simply writing the chemical reactions with all the pseudoisomers explicitly included and charges balanced. The appropriate procedures for computing the stoichiometric coefficients for the pseudoisomers are fully explained by means of an example calculation for the biochemical ATP hydrolysis reaction. It is concluded that the analysis has reunited the "two separate worlds" of conventional thermodynamics and transformed thermodynamics. In addition, it is also shown that the value of the conditional Gibbs energy of reaction, DeltarG', for a biochemical reaction is the same of the value of DeltarG for any chemical reaction involving pseudoisomers of the biochemical reagents. PMID- 27866673 TI - Surveillance of tedizolid activity and resistance: In vitro susceptibility of Gram-positive pathogens collected over 5 years from the United States and Europe. AB - In vitro activity of tedizolid and comparators against 11,231 Gram-positive clinical isolates from the United States (84 centers) and Europe (115 centers) were summarized as part of the Surveillance of Tedizolid Activity and Resistance program between 2009 and 2013. Susceptibility testing was performed according to Clinical Laboratory and Standards Institute (CLSI) guidelines. Minimum inhibitory concentration (MIC) interpretations were based on CLSI and European Committee on Antimicrobial Susceptibility Testing criteria. Tedizolid inhibited 99.7% of all isolates at MIC <=0.5 mg/L; activity was similar regardless of methicillin or vancomycin resistance phenotypes of Staphylococcus aureus and enterococci, respectively. Tedizolid MIC >1 mg/L was reported for 3 S. aureus, 4 coagulase negative staphylococci, and 2 enterococcal isolates; all streptococci were inhibited at MIC <=0.5 mg/L. Tedizolid was >=4-fold more potent than linezolid against all groups, including resistant phenotypes. Tedizolid had potent/stable activity against a large, contemporary collection of Gram-positive clinical isolates, with low rates of resistance. PMID- 27866674 TI - Quantitative T2 mapping for detection and quantification of thrombophlebitis in a rabbit model. AB - Short peripheral catheter thrombophlebitis (SPCT), a sterile inflammation of the vein wall, is the most common complication associated with short peripheral catheters (SPCs) and affects up to 80% of hospitalized patients receiving IV therapy. Extensive research efforts have been devoted for improvement and optimization of the catheter material, but means for examination of any novel design are limited, inaccurate and require costly comprehensive pre-clinical and clinical trials. Therefore, there is a conclusive need for a reliable quantitative method for evaluation of SPCT, in particular for research purposes examining the thrombophlebitis-related symptoms of any novel catheter design. In this study, we developed for the first time a quantitative MRI based tool for evaluation of SPCT. The extent and severity of SPCT caused by two different commercially available SPCs with known predisposition for thrombophlebitis, were studied in a rabbit model. MRI analysis was consistent with the standardized pathology evaluation and showed remarkable difference in the percent of edema between the experimental groups. These differences were in line with previous studies and provide evidence that this type of analysis may be useful for future assessment of SPCT in vivo. As a non-invasive method, it may constitute a cost effective solution for examination of new catheters and other medical devices, thereby reducing the need for animal sacrifice. PMID- 27866675 TI - Hemodynamics of patient-specific aorta-pulmonary shunt configurations. AB - Optimal hemodynamics in aorta-pulmonary shunt reconstruction is essential for improved post-operative recovery of the newborn congenital heart disease patient. However, prior to in vivo execution, the prediction of post-operative hemodynamics is extremely challenging due to the interplay of multiple confounding physiological factors. It is hypothesized that the post-operative performance of the surgical shunt can be predicted through computational blood flow simulations that consider patient size, shunt configuration, cardiac output and the complex three-dimensional disease anatomy. Utilizing only the routine patient-specific pre-surgery clinical data sets, we demonstrated an intelligent decision-making process for a real patient having pulmonary artery atresia and ventricular septal defect. For this patient, a total of 12 customized candidate shunt configurations are contemplated and reconstructed virtually using a sketch based computer-aided anatomical editing tool. Candidate shunt configurations are evaluated based on the parameters that are computed from the flow simulations, which include 3D flow complexity, outlet flow splits, shunt patency, coronary perfusion and energy loss. Our results showed that the modified Blalock-Taussig (mBT) shunt has 12% higher right pulmonary artery (RPA) and 40% lower left pulmonary artery (LPA) flow compared to the central shunt configuration. Also, the RPA flow regime is distinct from the LPA, creating an uneven flow split at the pulmonary arteries. For all three shunt sizes, right mBT innominate and central configurations cause higher pulmonary artery (PA) flow and lower coronary artery pressure than right and left mBT subclavian configurations. While there is a trade-off between energy loss, flow split and coronary artery pressure, overall, the mBT shunts provide sufficient PA perfusion with higher coronary artery pressures and could be preferred for similar patients having PA overflow risk. Central shunts would be preferred otherwise particularly for cases with very low PA overflow risk. PMID- 27866676 TI - Human soleus sarcomere lengths measured using in vivo microendoscopy at two ankle flexion angles. AB - The forces generated by the soleus muscle play an important role in standing and locomotion. The lengths of the sarcomeres of the soleus affect its force generating capacity, yet it is unknown how sarcomere lengths in the soleus change as a function of ankle flexion angle. In this study, we used microendoscopy to measure resting sarcomere lengths at 10 degrees plantarflexion and 20 degrees dorsiflexion in 7 healthy individuals. Mean sarcomere lengths at 10 degrees plantarflexion were 2.84+/-0.09um (mean+/-S.E.M.), near the optimal length for sarcomere force generation. Sarcomere lengths were 3.43+/-0.09um at 20 degrees dorsiflexion, indicating that they were longer than optimal length when the ankle was in dorsiflexion and the muscle was inactive. Our results indicate a smaller sarcomere length difference between two ankle flexion angles compared to estimates from musculoskeletal models and suggest why these models frequently underestimate the force-generating capacity of the soleus. PMID- 27866677 TI - Pressure drop and arterial compliance - Two arterial parameters in one measurement. AB - Coronary artery pressure-drop and distensibility (compliance) are two major, seemingly unrelated, parameters in the cardiovascular clinical setting, which are indicative of coronary arteries patency and atherosclerosis severity. While pressure drop is related to flow, and therefore serves as a functional indicator of a stenosis severity, the arterial distensibility is indicative of the arterial stiffness, and hence the arterial wall composition. In the present study, we hypothesized that local pressure drops are dependent on the arterial distensibility, and hence can provide information on both indices. The clinical significance is that a single measurement of pressure drop could potentially provide both functional and bio-mechanical metrics of lesions, and thus assist in real-time decision making prior to stenting. The goal of the current study was to set the basis for understanding this relationship, and define the accuracy and sensitivity required from the pressure measurement system. The investigation was performed using numerical fluid-structure interaction (FSI) simulations, validated experimentally using our high accuracy differential pressure measurement system. Simplified silicone mock coronary arteries with zero to intermediate size stenoses were used, and various combinations of arterial distensibility, diameter, and flow rate were simulated. Results of hyperemic flow cases were also compared to fractional flow reserve (FFR). The results indicate the potential clinical superiority of a high accuracy pressure drop-based parameter over FFR, by: (i) being more lesion-specific, (ii) the possibility to circumvent the FFR dependency on pharmacologically-induced hyperemia, and, (iii) by providing both functional and biomechanical lesion-specific information. PMID- 27866678 TI - Patient-specific CFD models for intraventricular flow analysis from 3D ultrasound imaging: Comparison of three clinical cases. AB - BACKGROUND: As the intracardiac flow field is affected by changes in shape and motility of the heart, intraventricular flow features can provide diagnostic indications. Ventricular flow patterns differ depending on the cardiac condition and the exploration of different clinical cases can provide insights into how flow fields alter in different pathologies. METHODS: In this study, we applied a patient-specific computational fluid dynamics model of the left ventricle and mitral valve, with prescribed moving boundaries based on transesophageal ultrasound images for three cardiac pathologies, to verify the abnormal flow patterns in impaired hearts. One case (P1) had normal ejection fraction but low stroke volume and cardiac output, P2 showed low stroke volume and reduced ejection fraction, P3 had a dilated ventricle and reduced ejection fraction. RESULTS: The shape of the ventricle and mitral valve, together with the pathology influence the flow field in the left ventricle, leading to distinct flow features. Of particular interest is the pattern of the vortex formation and evolution, influenced by the valvular orifice and the ventricular shape. The base to-apex pressure difference of maximum 2mmHg is consistent with reported data. CONCLUSION: We used a CFD model with prescribed boundary motion to describe the intraventricular flow field in three patients with impaired diastolic function. The calculated intraventricular flow dynamics are consistent with the diagnostic patient records and highlight the differences between the different cases. The integration of clinical images and computational techniques, therefore, allows for a deeper investigation intraventricular hemodynamics in patho-physiology. PMID- 27866679 TI - [Hodgkin and non-Hodgkin lymphoma of adolescents and young adults]. AB - Lymphoma is one of the most frequent cancers in adolescent and young adults. Hodgkin Lymphoma is curable in more than 90% of cases. Recent pediatric and adults protocols aimed to decrease long term toxicities (mostly gonadic and cardiovascular) and secondary malignancies, reducing the use of alkylating agents and limiting radiation fields. Risk-adapted strategies, using positron emission tomography staging, are about to become a standard, both in adult and pediatric protocols. These approaches allow obtaining excellent results in adolescents with Hodgkin lymphoma. On the other hand, treatment of adolescents with diffuse large B-cell lymphoma raises some questions. Even through children have good outcomes when treated with risk-adapted strategies, adolescents who are between 15 and 18 years old seem to experience poorer survivals, whereas patients older than 18 years old have globally the same outcome than older adults. This category of patient needs a particular care, based on a tight coordination between adults and pediatric oncologists. Primary mediastinal lymphomas, a subtype of BLDCL frequent in young adult population, exhibits poorer outcomes in children or young adolescent population than in older ones. Taking together, B-cell lymphoma benefited from recent advances in immunotherapy (in particular with the extended utilization of rituximab) and metabolic response-adapted strategies. In conclusion, adolescent and young adult's lymphomas are very curable diseases but require a personalized management in onco-hematological units. PMID- 27866680 TI - ARLTS1, potential candidate gene in familial aggregation of hematological malignancies. AB - INTRODUCTION: Genetic predisposition to familial hematological malignancies was previously described through several epidemiological analyses, but the genetic basis remains unclear. The tumor-suppressor ARLTS1 gene was previously described in sporadic hematological malignancies and familial cancer context. METHODS: In this study, we sequence the ARLTS1 gene in 100 patients belonging to 88 independent Tunisian and French families. RESULTS: After gene sequencing, we report 8 genetic variations, most of which were previously reported in several cancer forms. The most common variants were W149X and C148R and were previously associated to B-cell chronic lymphocytic leukemia and to high-risk of familial breast cancer. CONCLUSIONS: These results emphasize the fact that ARLTS1 gene mutations can be considered as a potential predisposing factor in familial hematological malignancies and other several cancer forms. PMID- 27866681 TI - [Psychosocial and developmental outcomes of TYAs with cancer: Are there any specific characteristics for the young adults?] AB - During the last few years, specific support devices and even dedicated units for teenagers and young adults (TYAs - patients grouped in the 15-25 years age group) appeared in oncology. If the existing literature review allows identifying many written work related to the experience of cancer during adolescence, resources about "young adults" are not only far less abundant, but rarely give the definition of what is a "young adult". Based on this observation, it appears necessary, at this stage of our practice, to question the definition and psychosocial outcomes of those psychiatrists and psychologists also call "young adults". Are they so different compared to teenagers? Do they have their own specificities? Based on the analysis of the general literature, we will seek to define the highlights of this moment of life and to identify their specific psychosocial and developmental outcomes. Thus, we will be able to study more accurately the experience of young adults facing cancer and the associated psychological side effects. Based on this analysis, we will present the issues which seemed to be specific in the psychological support of young adults and their relatives. PMID- 27866683 TI - Interventional laser surgery for oral potentially malignant disorders: a longitudinal patient cohort study. AB - Oral squamous cell carcinoma (OSCC) is a lethal disease, with rising incidence. There were 6767 new OSCC cases and 2056 deaths in the UK in 2011. Cancers are preceded by oral potentially malignant disorders (PMDs), recognizable mucosal diseases harbouring increased SCC risk, offering clinicians a 'therapeutic window' to intervene. Contemporary practice remains unable to predict lesion behaviour or quantify malignant transformation risk. No clear management guidelines exist and it is unclear from the literature whether early diagnosis and intervention prevents cancer. Between 1996 and 2014, 773 laser treatments were performed on 590 PMD patients in Newcastle maxillofacial surgery departments. The efficacy of the intervention was examined by review of the clinicopathological details and clinical outcomes of the patients (mean follow-up 7.3 years). Histopathology required up-grading in 36.1% on examining excision specimens. Seventy-five percent of patients were disease-free, mostly younger patients with low-grade dysplasia; 9% exhibited persistent disease and were generally older with proliferative verrucous leukoplakia. Disease-free status was less likely for erythroleukoplakia (P=0.022), 'high-grade' dysplasia (P<0.0001), and with lichenoid inflammation (P=0.028). Unexpected OSCC was identified in 12.0%, whilst 4.8% transformed to malignancy. Interventional laser surgery facilitates definitive diagnosis and treatment, allows early diagnosis of OSCC, identifies progressive disease, and defines outcome categories. Evidence is lacking that intervention halts carcinogenesis. Multicentre, prospective, randomized controlled trials are needed to confirm the efficacy of surgery. PMID- 27866682 TI - [Adolescent and Young Adults (AYAS) brain tumor national Web conference. On behalf of ANOCEF, GO-AJA and SFCE societies]. AB - : The skills of adult versus pediatric neuro-oncologists are not completely similar though additive. Because the tumors and their protocols are different and the tolerance and expected sequelae are specific. Multidisciplinary meetings including adult and pediatric neuro-oncologists are warranted to share expertise. Since 2008, a weekly national web based conference was held in France. Any patient with the following criteria could be discussed: Adolescent and Young Adults aged between 15 and 25 years, and any adult with a pediatric type pathology, including medulloblastoma, germ cell tumors, embryonic tumors, ependymoma, pilocytic astrocytoma. RESULTS: Attendance during the year 2015 was as follows: 42 meetings were held; the median number of cases discussed at each meeting was 4 (1 to 8); the mean number of attendants was 7 (2 to 12). One hundred and sixty-eight cases concerning 121 patients were discussed. Mean age was 30 years old (7 to 67). Forty-eight percent were discussed at diagnosis. The patients had mostly medulloblastomas (40%), germ cell tumors (11%), ependymomas (11%), pineal tumors (7%) and embryonal tumors (8%). The rate of inclusion in protocols was increased since the opening of this web conference, especially for the germ cell tumor SIOP protocol that is opened without age restriction, and in RSMA standard risk or MEVITEM relapse adult medulloblastoma protocols. CONCLUSION: Multidisciplinary Web conference for AYAs is feasible and increases the inclusion rate in protocols. It should be developed further. PMID- 27866685 TI - Garrett Hardin's Tragic Sense of Life. AB - I discuss biologist Garrett Hardin's view of human nature, with examples from the background to his seminal 1968 essay "The Tragedy of the Commons" and his testimony before the US House of Representatives in the 1970s. Hardin saw the human species as being governed by deterministic laws of the same kind that controlled all other forms of life. Humans, as much as cattle and microbes, were in inevitable competition for space and resources. Equal parts Malthusian political economy and Cold War systems science, his view was the survival of the human race depended on obeying these iron laws. Human freedom was the recognition of-and obedience to-its nature. This determination for humanity to act within the strictures placed on itself by its own nature was what he called "lifeboat ethics." In order for the citizens of the rich countries to survive, many in the Third World would have to die. In this sense I characterize Hardin's sense of life as tragic, both as a play on the title of his famous essay, and to emphasize his view that the problem of human population growth had no 'win-win' solutions. PMID- 27866684 TI - Was Queen Jane Seymour (1509-1537) Delivered by a Cesarean Section? AB - No direct evidence documents exactly how Jane Seymour gave birth on October 12, 1537. Several later commentators have raised cesarean birth as an option. This paper tries to establish the probable cause of Jane Seymour's death in accordance with present-day knowledge of obstetrics and whether or not a cesarean section could have been actually performed in sixteenth-century England. It appears almost certainly that there were no obstetrical indications that would have led the Queen's physicians to operate on her, a surgeon was not present at her delivery, cesarean section on a living woman was not regularly performed in England in 1537, puerperium events do not support surgery, and the existing pro cesarean confirmation was politically motivated. Therefore, the most likely mode of Jane Seymour's delivery was vaginal rather than cesarean. PMID- 27866686 TI - Size, Loading Efficiency, and Cytotoxicity of Albumin-Loaded Chitosan Nanoparticles: An Artificial Neural Networks Study. AB - When designing nanoparticles for drug delivery, many variables such as size, loading efficiency, and cytotoxicity should be considered. Usually, smaller particles are preferred in drug delivery because of longer blood circulation time and their ability to escape from immune system, whereas smaller nanoparticles often show increased toxicity. Determination of parameters which affect size of particles and factors such as loading efficiency and cytotoxicity could be very helpful in designing drug delivery systems. In this work, albumin (as a protein drug model)-loaded chitosan nanoparticles were prepared by polyelectrolyte complexation method. Simultaneously, effects of 4 independent variables including chitosan and albumin concentrations, pH, and reaction time were determined on 3 dependent variables (i.e., size, loading efficiency, and cytotoxicity) by artificial neural networks. Results showed that concentrations of initial materials are the most important factors which may affect the dependent variables. A drop in the concentrations decreases the size directly, but they simultaneously decrease loading efficiency and increase cytotoxicity. Therefore, an optimization of the independent variables is required to obtain the most useful preparation. PMID- 27866687 TI - Glibenclamide Nanocrystals in a Biodegradable Chitosan Patch for Transdermal Delivery: Engineering, Formulation, and Evaluation. AB - Glibenclamide (GBD) nanocrystals (D50 = 429 nm) were engineered by applying combined precipitation and homogenization procedures. GBD crystallinity was maintained during the nanonization process as revealed by differential scanning calorimetry and X-ray analyses. Nanonized and micronized GBD were incorporated into chitosan solutions to fabricate transdermal delivery systems (TDDSs), nano- and micro-GBD, respectively. The fabricated TDDSs displayed satisfactory physicochemical characteristics without substantial aggregation of GBD nanocrystals during the casting and drying procedures. Within 24 hours, about 85 +/- 3.1% of the GBD content was released from nano-GBD, compared to 61 +/- 3.9% from micro-GBD. Cumulative permeation of GBD from nano-GBD after 24 hours was 498 +/- 33.35 compared to 362 +/- 25.25 MUg/cm2 from micro-GBD. The calculated flux across rat skin for nano-GBD was 23.14 compared to 13.64 MUg/cm2/h for micro-GBD, with an enhancement factor of 1.7. In vivo assessment clearly revealed the enhanced efficacy of nano-GBD to reduce blood glucose levels and counteract the induced hyperglycemia in tested animals compared to micro-GBD (p < 0.5). Simultaneously, the nano-GBD was able to maintain higher drug concentration for longer time (24 hours, p < 0.5) and minimize intense action and hypoglycemia associated with GBD oral therapy (p < 0.5). PMID- 27866688 TI - Optimal mixing rate in linear solvent strength gradient liquid chromatography. Balanced mixing program. AB - The mixing rate (Rphi) is the temporal rate of increase in the solvent strength in gradient LC. The optimal Rphi (Rphi,Opt) is the one at which a required peak capacity of gradient LC analysis is obtained in the shortest time. The balanced mixing program is a one where, for better separation of early eluting solutes, the mixing ramp is preceded by a balanced isocratic hold of the duration depending on Rphi. The improvement in the separation of the earlier eluites due to the balanced programming has been evaluated. The value of Rphi,Opt depends on the solvent composition range covered by the mixing ramp and on the column pressure conditions. The Rphi,Opt for a column operating at maximum instrumental pressure is different from Rphi,Opt for a column operating below the instrumental pressure limit. On the other hand, it has been shown that the difference in the Rphi,Opt values under different conditions is not very large so that a single default Rphi previously recommended for gradient analyses without the isocratic hold also yields a good approximation to the shortest analysis time for all conditions in the balanced analyses. With or without the initial balance isocratic hold, the recommended default Rphi is about 5%/t0 (5% increase in the solvent strength per each t0-long increment in time) for small-molecule samples, and about an order of magnitude slower (0.5%/t0) for protein samples. A discussion illustrating the use of the optimization criteria employed here for the techniques other than LSS gradient LC is included. PMID- 27866689 TI - Characterization of non-specific protein adsorption induced by triazole groups on the chromatography media using Cu (I)-catalyzed alkyne-azide cycloaddition reaction for ligand immobilization. AB - As an efficient and facile reaction, click chemistry has been growingly used in the preparation of chromatography media for immobilizing varying types of ligands. For the widely used Cu (I)-catalyzed alkyne-azide click reaction, a 1, 2, 3-triazole group will be inevitably introduced in the molecular linkage, which could give rise to unexpected non-specific adsorption especially for the media employing small compound ligands or high ligand density. Triazole-induced non specific protein adsorption on sepharose resins was evaluated systematically in this work, by considering the effects of triazole content, length of spacer arm, and solution conditions. We found that triazole content of a resin played the key role. Protein adsorption became significant when the media was coupled with triazole at a medium density (about 60MUmol/mL gel), and the binding amount further increased with triazole density. The resin with triazole content of about 100MUmol/mL gel could adsorb human IgG, bovine serum albumin and lysozyme at the amount of 13.6, 30.0, and 5.1mg/mL respectively. Proteins tended to be adsorbed at higher amount as the pH of solution approached their isoelectric points, and increasing salt concentration could reduce triazole-induced adsorption but only within limited extent. This study can facilitate reasonable application of click chemistry in the synthesis of chromatography media, by providing some basic principles for optimizing structural properties of separation media and choosing suitable solution conditions. PMID- 27866690 TI - Method to determine the true modulation ratio for comprehensive two-dimensional gas chromatography. AB - A new method is presented to determine the true modulation ratio, MR, from the measurable effective modulation ratio, MR*, in comprehensive two-dimensional gas chromatography, GC*GC, without the requirement for a detector at the end of the primary column. The method was developed through the investigation of modulator induced band broadening, as a function of 1Wb and the selected modulation period, PM, for simulated GC*GC data, by first defining primary column 1D peak(s) and simulating the modulation process. Gaussian curve fitting is used to model each modulated secondary column separation peaklet, 2D, in the unfolded GC*GC data to accurately determine the maxima of the peaklet distribution, followed by Gaussian curve fitting to the maxima to determine the effective 1D peak profile and width, 1Wb*. The relationship between 1Wb and 1Wb* is studied as a function of the effective modulation ratio, MR*, which is 1Wb* divided by PM, in order to determine the true modulation ratio, MR, which is 1Wb divided by PM. We explore how peak sampling phase (in-phase and out-of-phase) plays a role in the relationship between MR and MR*. Experimental validation of the simulated results is also provided, to span a range of commonly implemented conditions with typical 1Wb (2-4.5s) and PM (0.25-8s). Use of MR<2 significantly broadens the 1D peak (MR*>=1.2MR) corresponding to a loss in 1D peak capacity, 1nc>=20%. The new method relies upon mapping from MR* to MR, which is discussed in relation to peak capacity theories for GC*GC. It is found that optimizing 1nc in GC*GC requires that 1Wb is minimized and must be sampled with a sufficiently short PM (1-2s) to minimize modulator induced band broadening and a subsequent reduction in the effective 1D peak capacity. PMID- 27866693 TI - An unexpected complication of acute pancreatitis: Intra-cardiac thrombus. AB - Left atrial thrombus after acute pancreatitis (AP) is a rare clinical statement. Because of induction of systemic prothrombotic process by AP; some patients with underlying risk factors may develop an intra-cardiac thrombus. We present a 53years-old-woman with moderate mitral stenosis and atrial fibrillation. However the patient was under warfarin treatment, she developed a big left atrial big thrombus which was originated from left atrial appendage after she was suffered from AP. PMID- 27866691 TI - Vocal Parameters and Self-Perception in Individuals With Adductor Spasmodic Dysphonia. AB - OBJECTIVE: The study aimed to compare and correlate perceptual-auditory analysis of vocal parameters and self-perception in individuals with adductor spasmodic dysphonia before and after the application of botulinum toxin. STUDY DESIGN: This is a prospective cohort study. METHODS: Sixteen individuals with a diagnosis of adductor spasmodic dysphonia were submitted to the application of botulinum toxin in the thyroarytenoid muscle, to the recording of a voice signal, and to the Voice Handicap Index (VHI) questionnaire before the application and at two time points after application. Two judges performed a perceptual-auditory analysis of eight vocal parameters with the aid of the Praat software for the visualization of narrow band spectrography, pitch, and intensity contour. RESULTS: Comparison of the vocal parameters before toxin application and on the first return revealed a reduction of oscillation intensity (P = 0.002), voice breaks (P = 0.002), and vocal tremor (P = 0.002). The same parameters increased on the second return. The degree of severity, strained-strangled voice, roughness, breathiness, and asthenia was unchanged. The total score and the emotional domain score of the VHI were reduced on the first return. There was a moderate correlation between the degree of voice severity and the total VHI score before application and on the second return, and a weak correlation on the first return. CONCLUSIONS: Perceptual-auditory analysis and self-perception proved to be efficient in the recognition of vocal changes and of the vocal impact on individuals with adductor spasmodic dysphonia under treatment with botulinum toxin, permitting the quantitation of changes along time. PMID- 27866692 TI - Does the number of emergency medical technicians affect the neurological outcome of patients with out-of-hospital cardiac arrest? AB - BACKGROUND: It is unclear whether the number of paramedics in an ambulance improves the outcome of patients with out-of-hospital cardiac arrest (OHCA) or not. METHODS AND RESULTS: This study was a prospective, observational study conducted on patients with OHCA. Patients were divided into the One-paramedic group (Group O) and the Two-or-more-paramedic group (Group T) and we analyzed the differences. Patients who were treated with only basic life support during transportation, and whose cause of cardiac arrest were extrinsic cause such as trauma and poisoning were excluded. Good neurological outcome was defined as cerebral performance category (CPC) 1 or 2. In Group O, there were 1516 patients (male/female, 922/594). In Group T, there were 2932 patients (male/female, 1798/1134). Return of spontaneous circulation (ROSC) was obtained in 528 patients (34.8%) in Group O and 1058 patients (36.1%) in Group T (p=0.589). 320 patients (21.1%) in Group O and 656 patients (22.4%) in Group T were admitted to hospital after ROSC (p=0.461). At 90days, there were 57 survivors (3.8%) in Group O and 114 survivors (3.9%) in Group T (p=0.873). At 90days, 14 patients (0.9%) in Group T had a CPC of 1 or 2, while 30 patients (1.0%) in Group T did so (p=0.87). From the results of logistic regression analysis, age [odds ratio (OR): 0.983, 95% confidence interval (CI): 0.952-0.993], witnessed OHCA (OR: 4.583, 95% CI: 1.587 13.234), and shockable rhythm as first documented (OR: 19.67, 95% CI: 9.181 42.13) were associated with good outcome. CONCLUSION: The number of paramedics in an ambulance did not affect the outcome in OHCA patients. PMID- 27866694 TI - Spontaneously resolved STEMI after a hymenoptera sting. PMID- 27866695 TI - Does formulation matter? A systematic review and meta-analysis of oral versus long-acting antipsychotic studies. AB - Recently, many authors highlighted the potential advantages of a broader prescription of long-acting injectable antipsychotics (LAIs) based on various assumptions, including favorable pharmacokinetic features. In this systematic review, data from randomized controlled trials comparing LAIs versus the oral formulation of the same antipsychotic were meta-analyzed in order to ascertain whether the route of administration may be associated with a different efficacy and tolerability profile. Of 21 included studies, 18 contributed to the meta analysis, providing data for risperidone, olanzapine, aripiprazole, zuclopenthixol, fluphenazine and haloperidol. For all drugs, the number of dropouts for any reason (primary outcome) did not differ between the two formulations, except for a small effect in favor of LAI aripiprazole (2 comparisons; 986 patients; relative risk (RR) 0.78; 95% confidence interval (CI) 0.64 to 0.95). Similarly, no differences emerged in terms of dropouts for adverse events, extrapyramidal symptoms, prolactin increase (except for a small advantage for LAI risperidone), weight gain, non-response rate, relapse rate, and dropouts for inefficacy (except for a small advantage for oral olanzapine). Data on aripiprazole proved to be of high quality according to the GRADE approach (Grading of Recommendations, Assessment, Development and Evaluation), therefore we are confident that the effect estimate is close to the true effect. Data on risperidone were of moderate quality, while data on olanzapine, fluphenazine, zuclopenthixol and haloperidol were of low quality. In conclusion, there is no robust evidence to support doctors in choosing LAI instead of oral formulations in order to obtain better tolerability and efficacy. PMID- 27866697 TI - Development and capture of soft tissue contours at time of implant placement. AB - A technique is described which will generate a customized healing abutment for a dental implant to allow the development of ideal soft tissue contours. With implant position and soft tissue contours defined at surgery, customized impression techniques can be used to capture those details and help generate the definitive implant-supported restoration. This workflow reduces the number of patient visits. PMID- 27866696 TI - Equivalent Young's modulus of composite resin for simulation of stress during dental restoration. AB - OBJECTIVES: For shrinkage stress simulation in dental restoration, the elastic properties of composite resins should be acquired beforehand. This study proposes a formula to measure the equivalent Young's modulus of a composite resin through a calculation scheme of the shrinkage stress in dental restoration. METHODS: Two types of composite resins remarkably different in the polymerization shrinkage strain were used for experimental verification: the methacrylate-type (Clearfil AP-X) and the silorane-type (Filtek P90). The linear shrinkage strains of the composite resins were gained through the bonded disk method. A formula to calculate the equivalent Young's moduli of composite resin was derived on the basis of the restored ring substrate. Equivalent Young's moduli were measured for the two types of composite resins through the formula. Those values were applied as input to a finite element analysis (FEA) for validation of the calculated shrinkage stress. SIGNIFICANCE: Both of the measured moduli through the formula were appropriate for stress simulation of dental restoration in that the shrinkage stresses calculated by the FEA were in good agreement within 3.5% with the experimental values. The concept of equivalent Young's modulus so measured could be applied for stress simulation of 2D and 3D dental restoration. PMID- 27866698 TI - Comparison of margin discrepancy of complete gold crowns fabricated using printed, milled, and conventional hand-waxed patterns. AB - STATEMENT OF PROBLEM: The recent application of printing for the fabrication of dental restorations has not been compared and evaluated for margin discrepancy (margin fit) with restorations fabricated using milling and conventional hand waxing techniques. PURPOSE: The purpose of this in vitro study was to evaluate and compare margin discrepancy of complete gold crowns (CGCs) fabricated from printed, milled, and conventional hand-waxed patterns. MATERIAL AND METHODS: Thirty crown patterns were produced by each of 3 different methods: printed by ProJet DP 3000, milled by LAVA CNC 500, and hand waxed, then invested and cast into CGCs. Each crown was evaluated at 10 positions around the margin on the corresponding epoxy die under *50 light microscopy to determine the mean and maximum margin discrepancy. Measurements were made using a micrometer positioning stage. The results were compared by ANOVA (alpha=.05). RESULTS: Milled and hand waxed patterns were not statistically different from each other (P>.05), while printed patterns produced significantly higher mean and maximum margin discrepancy than milled and hand-waxed patterns (P<.05). CONCLUSIONS: Relative to margin discrepancy, the LAVA CNC 500 milled and hand-waxed patterns were not significantly different from each other. The ProJet DP 3000 printed patterns were significantly different from LAVA CNC 500 milled and hand-waxed patterns, with an overall poorer result. Fabricating CGCs from printed patterns produced a significantly higher number of crowns with unacceptable margin discrepancy (>120 MUm). PMID- 27866699 TI - Recording the trajectory of mouth opening and closing for the fabrication of an occlusal splint. AB - Various attempts have been made to transfer the transverse hinge axis and mandibular movement pattern to the mechanical articulator and to fabricate dental prostheses with the fewest errors. However, the occlusal adjustment of a dental prosthesis is always necessary to ensure a precise intraoral fit even when the facebow transfer technique is used in the cast mounting procedure. This is because the true hinge axis is not obtained when the facebow is applied to a patient who exhibits a variable mandible movement pattern rather than a single rotational axis. This technique merges facial scanning data and digital data obtained from a diagnostic cast based on measurements of several landmarks of the anterior teeth and makes it possible to design a dental prosthesis while considering the mandibular opening and closing movements of the patient. This technique could be used to design prosthetic restorations, occlusal splints, and intermediate splints for orthognathic surgery and for complete mouth rehabilitation when changes in vertical dimensions are needed. PMID- 27866700 TI - Angiopoietin-related growth factor is independently associated with lower extremity peripheral arterial disease. AB - AIMS: The present study investigated the association of serum levels of angiopoietin-related growth factor (AGF) with lower extremity peripheral arterial disease (LEPAD). METHODS: The study group is comprised of 105 patients with lower extremity peripheral arterial disease. The control group consisted of 80 individuals without lower extremity peripheral arterial disease. Serum AGF concentrations were determined by enzyme-linked immunosorbent assay. The relationship between AGF and clinical and biochemical parameters was studied. Besides, this study analyzed AGF levels in LEPAD patients according to disease severity and evaluated the prognostic value of AGF for amputation and mortality in LEPAD patients after a follow-up period of 1.7years. RESULTS: Median serum AGF levels were significantly higher in LEPAD group (103.70+/-64.69ng/mL) as compared with control group (53.83+/-37.87ng/mL) (P<0.001). In addition, T2DM patients with LEPAD exhibited markedly higher serum AGF concentrations (118.7+/ 60.90ng/mL) than those without LEPAD (60.23+/-32.62ng/mL) (P<0.0001). Moreover, LEPAD positively predicted AGF concentrations in multivariate linear regression analysis (P<0.0001). Serum AGF levels were independently associated with LEPAD in binary logistic regression analysis model. Among LEPAD patients, those with critical limb ischemia (n=43) showed higher AGF levels (124.9+/-73.9 vs. 88.98+/ 53.26ng/mL, P=0.01) compared with those with intermittent claudication (n=62). Furthermore, patients with the highest AGF tertile had an increased all-cause mortality and cardiovascular mortality (P=0.033 and P=0.025, respectively). CONCLUSIONS: Our results suggested that lower extremity peripheral artery disease was positively associated with AGF serum levels. High serum AGF level was a potential risk factor for LEPAD and associates with disease severity and poor outcome in LEPAD patients. PMID- 27866701 TI - Place of sodium-glucose cotransporter-2 inhibitors in East Asian subjects with type 2 diabetes mellitus: Insights into the management of Asian phenotype. AB - The burden of type 2 diabetes (T2DM) in East Asia is alarming. Rapid modernization and urbanization have led to major lifestyle changes and a tremendous increase in the prevalence of obesity, metabolic syndrome, and diabetes mellitus. The development of T2DM at a younger age, with lower body mass index, higher visceral adiposity, and more significant pancreatic beta-cell dysfunction compared to Caucasians are factors responsible for the increased prevalence of T2DM in East Asians. Sodium-glucose Cotransporter-2 (SGLT2) inhibitors (canagliflozin, dapaglifozin, empagliflozin, etc.) reduce renal glucose reabsorption, leading to favorable effects on glycemic, blood pressure, and weight control. The insulin-independent mechanism enables their use as monotherapy or combination therapy with insulin and other oral antidiabetic agents. The role of SGLT2 inhibitors in the management of T2DM among East Asians is an interesting area of research, given that East Asians have been proven to be uniquely different from Caucasians. This review provides comprehensive coverage of the available literature not only on the efficacy and safety, but also on the recent cardiovascular and renal outcomes of SGLT2 inhibitors, focusing among East Asians. PMID- 27866702 TI - Elucidation of Percutaneously Accessible Lymph Nodes in Swine: A Large Animal Model for Interventional Lymphatic Research. AB - PURPOSE: To define percutaneously accessible, anatomically reproducible swine lymph nodes using magnetic resonance imaging, ultrasound, and ethiodized oil (Lipiodol; Guerbet, Bloomington, Indiana) lymphangiography. MATERIALS AND METHODS: Five adult female swine (Yorkshire, 50-60 kg) were used. Under general anesthesia, T1-weighted and T2-weighted, coronal and axial images of the entire swine were obtained. The animal's extrathoracic, extraperitoneal soft tissues from the neck to the groins were examined with ultrasound. Lymph nodes >= 1 cm were marked before the animal was transferred to the angiography suite. Under ultrasound guidance, the nodes were accessed, and lymphangiograms were obtained. The imaging findings between the 3 modalities were correlated, and the lymph node drainage was mapped. RESULTS: Four lymph nodes/lymph node groups were identified that were reproducible in all 5 animals, > 1 cm and percutaneously accessible: submandibular node, superficial cervical lymph node group, subiliac node, and superficial inguinal lymph node group. Drainage of these nodes mirrored human anatomy. The abdominopelvic lymphatics formed a retroperitoneal cisterna chyli and drained cephalad via a thoracic duct. CONCLUSIONS: The swine exhibits reproducible lymphatic anatomy with at least 4 percutaneously accessible lymph nodes/lymph node groups. Based on these results, the swine may be a suitable large animal model for research into lymphatic interventions. PMID- 27866703 TI - Understanding the coherence of the severity effect and optimism phenomena: Lessons from attention. AB - Claims that optimism is a near-universal characteristic of human judgment seem to be at odds with recent results from the judgment and decision making literature suggesting that the likelihood of negative outcomes are overestimated relative to neutral outcomes. In an attempt to reconcile these seemingly contrasting phenomena, inspiration is drawn from the attention literature in which there is evidence that both positive and negative stimuli can have attentional privilege relative to neutral stimuli. This result provides a framework within which I consider three example phenomena that purport to demonstrate that people's likelihood estimates are optimistic: Wishful thinking; Unrealistic comparative optimism and Asymmetric belief updating. The framework clarifies the relationships between these phenomena and stimulates future research questions. Generally, whilst results from the first two phenomena appear reconcilable in this conceptualisation, further research is required in reconciling the third. PMID- 27866704 TI - Standardized Ultrasound Measurement of Subcutaneous Fat Patterning: High Reliability and Accuracy in Groups Ranging from Lean to Obese. AB - A recently standardized ultrasound technique for measuring subcutaneous adipose tissue (SAT) was applied to normal-weight, overweight and obese persons. Eight measurement sites were used: upper abdomen, lower abdomen, erector spinae, distal triceps, brachioradialis, lateral thigh, front thigh and medial calf. Fat compression was avoided. Fat patterning in 38 participants (body mass index: 18.6 40.3 kgm-2; SAT thickness sums from eight sites: 12-245 mm) was evaluated using a software specifically designed for semi-automatic multiple thickness measurements in SAT (sound speed: 1450 m/s) that also quantifies embedded fibrous structures. With respect to ultrasound intra-observer results, the correlation coefficient rho = 0.999 (p < 0.01), standard error of the estimate = 1.1 mm and 95% of measurements were within +/-2.2 mm. For the normal-weight subgroup, the median measurement deviation was 0.43 mm (1.1% of mean thickness), and for the obese/overweight subgroup it was 0.89 mm (0.5%). The eight sites used here are suggested to represent inter-individual differences in SAT patterning. High measurement accuracy and reliability can be obtained in all groups, from lean to overweight and obese, provided that measurers are trained appropriately. PMID- 27866705 TI - Epileptic Encephalopathy Caused by Mutations in the Guanine Nucleotide Exchange Factor DENND5A. AB - Epileptic encephalopathies are a catastrophic group of epilepsies characterized by refractory seizures and cognitive arrest, often resulting from abnormal brain development. Here, we have identified an epileptic encephalopathy additionally featuring cerebral calcifications and coarse facial features caused by recessive loss-of-function mutations in DENND5A. DENND5A contains a DENN domain, an evolutionarily ancient enzymatic module conferring guanine nucleotide exchange factor (GEF) activity to multiple proteins serving as GEFs for Rabs, which are key regulators of membrane trafficking. DENND5A is detected predominantly in neuronal tissues, and its highest levels occur during development. Knockdown of DENND5A leads to striking alterations in neuronal development. Mechanistically, these changes appear to result from upregulation of neurotrophin receptors, leading to enhanced downstream signaling. Thus, we have identified a link between a DENN domain protein and neuronal development, dysfunction of which is responsible for a form of epileptic encephalopathy. PMID- 27866706 TI - Colocalization of GWAS and eQTL Signals Detects Target Genes. AB - The vast majority of genome-wide association study (GWAS) risk loci fall in non coding regions of the genome. One possible hypothesis is that these GWAS risk loci alter the individual's disease risk through their effect on gene expression in different tissues. In order to understand the mechanisms driving a GWAS risk locus, it is helpful to determine which gene is affected in specific tissue types. For example, the relevant gene and tissue could play a role in the disease mechanism if the same variant responsible for a GWAS locus also affects gene expression. Identifying whether or not the same variant is causal in both GWASs and expression quantitative trail locus (eQTL) studies is challenging because of the uncertainty induced by linkage disequilibrium and the fact that some loci harbor multiple causal variants. However, current methods that address this problem assume that each locus contains a single causal variant. In this paper, we present eCAVIAR, a probabilistic method that has several key advantages over existing methods. First, our method can account for more than one causal variant in any given locus. Second, it can leverage summary statistics without accessing the individual genotype data. We use both simulated and real datasets to demonstrate the utility of our method. Using publicly available eQTL data on 45 different tissues, we demonstrate that eCAVIAR can prioritize likely relevant tissues and target genes for a set of glucose- and insulin-related trait loci. PMID- 27866707 TI - A Functional Variant Associated with Atrial Fibrillation Regulates PITX2c Expression through TFAP2a. AB - The most significantly associated genetic locus for atrial fibrillation (AF) is in chromosomal region 4q25, where four independent association signals have been identified. Although model-system studies suggest that altered PITX2c expression might underlie the association, the link between specific variants and the direction of effect on gene expression remains unknown for all four signals. In the present study, we analyzed the AF-associated region most proximal to PITX2 at 4q25. First, we identified candidate regulatory variants that might confer AF risk through a combination of mammalian conservation, DNase hypersensitivity, and histone modification from ENCODE and the Roadmap Epigenomics Project, as well as through in vivo analysis of enhancer activity in embryonic zebrafish. Within candidate regions, we then identified a single associated SNP, rs2595104, which displayed dramatically reduced enhancer activity with the AF risk allele. CRISPR Cas9-mediated deletion of the rs2595104 region and editing of the rs2595104 risk allele in human stem-cell-derived cardiomyocytes resulted in diminished PITX2c expression in comparison to that of the non-risk allele. This differential activity was mediated by activating enhancer binding protein 2 alpha (TFAP2a), which bound robustly to the non-risk allele at rs2595104, but not to the risk allele, in cardiomyocytes. In sum, we found that the AF-associated SNP rs2595104 altered PITX2c expression via interaction with TFAP2a. Such a pathway could ultimately contribute to AF susceptibility at the PITX2 locus associated with AF. PMID- 27866709 TI - Disability, depression and suicide ideation in people with multiple sclerosis. AB - INTRODUCTION: Depressive symptoms occur frequently in people with Multiple Sclerosis (MS) and rates of suicide ideation are higher than the general population. There is evidence for a direct association between disability and depression, disability and suicide ideation, and depression and suicide ideation in MS. However, the relationship between all three, i.e. the mediating role of depression between disability and suicidal ideation, has not been investigated. Exploring this relationship could highlight risk factors, alerting clinicians to the need for timely intervention. METHOD: Seventy five people with progressive MS attending two out-patient clinics took part in this cross-sectional study. Participants completed the Beck Suicide Scale, Beck Depression Inventory, Multiple Sclerosis Impact Scale and Guy's Neurological Disability Scale. RESULTS: Depressive symptoms mediated the relationship between perceived and actual disability and suicide ideation. Different types of disability were associated with suicidality, including: 'tremors' and 'taking longer to do things'. A small sub-group of participants were identified who reported suicide ideation in the presence of only mild levels of depression. LIMITATIONS: There may be a sample bias in this study as all participants were attending out-patient clinics and receiving support which may not be available to everyone with MS. CONCLUSION: It is important for clinicians to screen regularly for both depression and suicide ideation, to be alert to specific types of disability for which a higher level of suicide ideation might be present and to consider the possibility of suicidal thoughts being present in people who show minimal or no depressive symptoms. PMID- 27866710 TI - Pulpal Tissue Inflammatory Reactions after Experimental Pulpal Exposure in Mice. AB - INTRODUCTION: The purpose of this study was to establish a stable experimental mice pulpal inflammatory model and to evaluate inflammatory reactions of pulpal tissue after pulpal exposure. METHODS: Pulpal inflammation was induced in 80 C57BL/6 mice by occlusal exposure of the pulp of the maxillary first molar. The mice were sacrificed randomly at 0, 1, 6, 12, 24, 48, and 72 hours after pulpal exposure. Mice without pulpal exposure served as controls. Maxillary teeth were obtained and prepared for histologic analyses and real-time polymerase chain reaction analyses. RESULTS: As the duration of pulpal exposure increases, the inflammatory reaction is exacerbated. Within 6 to 12 hours after pulpal exposure, pulp tissues experienced red blood cell extravasation to the destruction of the odontoblast layer. After 24 hours, necrosis was observed in the pulpal tissue; until 72 hours, necrosis spread to the whole coronal pulpal tissue, and a large number of inflammatory cells were found in the radicular pulpal tissue. The results of histomorphologic scores have the same trend; samples from the 72-hour group possessed the highest score followed by samples from other groups (P < .01). The expression levels of inflammatory cytokines increased over the 72 hours, and there was a high rate of inflammatory cytokine expression at 6 and 12 hours after pulpal exposure. CONCLUSIONS: Our study represents a stable mice model for studying pulpal inflammation in vivo. Mouse pupal inflammation progresses rapidly, with dramatic changes evident in just a few hours. PMID- 27866708 TI - Mutations in Three Genes Encoding Proteins Involved in Hair Shaft Formation Cause Uncombable Hair Syndrome. AB - Uncombable hair syndrome (UHS), also known as "spun glass hair syndrome," "pili trianguli et canaliculi," or "cheveux incoiffables" is a rare anomaly of the hair shaft that occurs in children and improves with age. UHS is characterized by dry, frizzy, spangly, and often fair hair that is resistant to being combed flat. Until now, both simplex and familial UHS-affected case subjects with autosomal dominant as well as -recessive inheritance have been reported. However, none of these case subjects were linked to a molecular genetic cause. Here, we report the identification of UHS-causative mutations located in the three genes PADI3 (peptidylarginine deiminase 3), TGM3 (transglutaminase 3), and TCHH (trichohyalin) in a total of 11 children. All of these individuals carry homozygous or compound heterozygous mutations in one of these three genes, indicating an autosomal-recessive inheritance pattern in the majority of UHS case subjects. The two enzymes PADI3 and TGM3, responsible for posttranslational protein modifications, and their target structural protein TCHH are all involved in hair shaft formation. Elucidation of the molecular outcomes of the disease causing mutations by cell culture experiments and tridimensional protein models demonstrated clear differences in the structural organization and activity of mutant and wild-type proteins. Scanning electron microscopy observations revealed morphological alterations in hair coat of Padi3 knockout mice. All together, these findings elucidate the molecular genetic causes of UHS and shed light on its pathophysiology and hair physiology in general. PMID- 27866711 TI - Discussion. PMID- 27866712 TI - Discussion. PMID- 27866713 TI - Twelve-year outcomes of laparoscopic adhesiolysis in patients with chronic abdominal pain: A randomized clinical trial. AB - BACKGROUND: Laparoscopic adhesiolysis as a therapy for chronic pain is still controversial, and long-term effects are not known; therefore, our aim was to evaluate long-term effects of laparoscopic adhesiolysis for the treatment of chronic abdominal pain believed to be related to intraperitoneal adhesions. METHODS: A total of 100 patients with abdominal pain attributed to adhesions were randomized to laparoscopic adhesiolysis or a placebo group with laparoscopy alone. Pain relief was assessed after 12-year follow-up. RESULTS: A total of 73% of patients fulfilled the long-term follow-up. Compared to the placebo group (n = 31), patients in the adhesiolysis group (n = 42) were significantly less often pain-free (8 vs 13, P = .033, relative risk [RR] = 1.3) and to have a greater intake of analgesics (26 vs 16, P = .379, RR = 1.2, 95% confidence interval 0.8 1.8). Moreover, the adhesiolysis group sought medical consultations more frequently (14 vs 6, P = .186, RR = 1.33, 95% confidence interval 0.9-1.9), and had an increased rate of additional operation (8 vs 1, P = .042, RR = 1.67, 95% confidence interval 1.208-2.318). Both groups had improved pain and quality-of life scores. CONCLUSION: This is the first, long-term, placebo-controlled trial regarding the use of laparoscopic adhesiolysis for treating chronic abdominal pain. Laparoscopic adhesiolysis was less beneficial than laparoscopy alone in the long term. Secondly, there appeared to be a powerful, long-lasting placebo effect of laparoscopy. Because adhesiolysis is associated with an increased risk of operative complications, avoiding this treatment may result in less morbidity and health care costs. PMID- 27866714 TI - Discussion. PMID- 27866715 TI - Normohormonal primary hyperparathyroidism is a distinct form of primary hyperparathyroidism. AB - BACKGROUND: Normohormonal primary hyperparathyroidism presents diagnostic and intraoperative challenges, and current literature is conflicting about management. We aim to better define normohormonal primary hyperparathyroidism in order to improve the care for these patients. METHODS: In the study, 516 consecutive patients undergoing parathyroidectomy for primary hyperparathyroidism were divided into 2 groups: classic primary hyperparathyroidism (classic primary hyperparathyroidism, increased serum levels of calcium, and parathyroid hormone) and normohormonal primary hyperparathyroidism (hypercalcemia, normal serum levels of parathyroid hormone). We evaluated inter-group differences in presentation, gland weight, pathology, and complications. RESULTS: The normohormonal primary hyperparathyroidism group was comprised of 116 (22.5%) patients. Mean serum levels of parathyroid hormone and calcium were 62.1 pg/mL +/- 10.1 and 10.6 mg/dL +/- 0.63 in normohormonal primary hyperparathyroidism, and 142 +/- 89.0pg/mL and 11.0 +/- 0.88 (both P < .01) for classic primary hyperparathyroidism. Nephrolithiasis was more common in normohormonal primary hyperparathyroidism. Multigland hyperplasia was more common in normohormonal primary hyperparathyroidism 23 (19.8%) vs 44 (11%; P = .04). Concordant imaging studies were less likely in normohormonal primary hyperparathyroidism (82 [73.2%] vs 337 [87.1%; P < .01]), had a lesser total gland weight (531.8 mg +/- 680.0 vs 1,039.6 mg +/- 1,237.3; P < .01), and lesser 2-week parathyroid hormone (32.5 pg/mL +/- 18.95 vs 41.0 pg/mL +/- 27.8; P = .01). There was no difference in hypoparathyroidism (parathyroid hormone <15 pg/mL; P = .93) at 2 weeks postoperatively. CONCLUSION: Normohormonal primary hyperparathyroidism represents 22.5% of our primary hyperparathyroidism population, which is greater than reported previously. It is a distinct disease process from classic primary hyperparathyroidism in presentation, imaging, and operative findings. More hyperplasia and a lesser gland weight make it challenging to resect the ideal amount of tissue. Studies with long-term follow-up are needed to determine optimal operative management. PMID- 27866717 TI - Adrenocortical carcinoma with inferior vena cava tumor thrombus. AB - BACKGROUND: The safety, efficacy, and prognostic implications of resection of adrenocortical carcinoma with inferior vena cava tumor thrombus are poorly described. METHODS: A retrospective review was performed during a 30-year period on patients who underwent resection of locally advanced, nonmetastatic adrenocortical carcinoma. We compared patients with and without inferior vena cava tumor thrombus, examining perioperative characteristics, completeness of resection, mortality, and survival. RESULTS: We identified 65 patients who underwent resection of locally advanced (T4N0 and T4N1) adrenocortical carcinoma (28 patients with inferior vena cava tumor thrombus, 37 noninferior vena cava tumor thrombus). Rate of complete resection, adjuvant chemotherapy, and short term postoperative morbidity was similar between groups. Overall survival was similar at 12-months. At 24 months overall survival was less in the inferior vena cava tumor thrombus group (59% vs 30%, P = .04). Differential survival through 60 month follow-up favored the noninferior vena cava tumor thrombus group (36% vs 0%, P = .001). Subgroup analysis including only patients with complete resection demonstrates similar survival at 24-months but at 36-months survival favored the noninferior vena cava tumor thrombus patients (65% vs 29%, P = .047) and this continued through 60 months (40% vs 0%, P = .049). CONCLUSION: Attempt at complete resection of adrenocortical carcinoma with inferior vena cava tumor thrombus seems justified particularly as short-term safety and survival are similar to patients without inferior vena cava tumor thrombus. However, survival beyond 36-months is limited in patients with inferior vena cava tumor thrombus. Patients being evaluated for resection in the setting of inferior vena cava tumor thrombus should be selected carefully. PMID- 27866716 TI - Can we consider immediate complications after thyroidectomy as a quality metric of operation? AB - BACKGROUND: Permanent recurrent laryngeal nerve palsy and hypoparathyroidism are 2 major complications after thyroid operation. Assuming that the rate of immediate complications can predict the permanent complication rate, some authors consider these complications as a valid metric for assessing the performance of individual surgeons. This study aimed to determine the correlation between rates of immediate and permanent complications after thyroidectomy at the surgeon level. METHODS: We conducted a prospective, cross-sectional study in 5 academic hospitals between April 2008 and December 2009. The correlation between the rates of immediate and permanent complications for each of the 22 participating surgeons was calculated using the Pearson correlation test (r). RESULTS: The study period included 3,605 patients. There was a fairly good correlation between rates of immediate and permanent recurrent laryngeal nerve palsy (r = 0.70, P = .004), but no correlation was found for immediate and permanent hypoparathyroidism (r = 0.18, P = .427). CONCLUSION: The immediate hypoparathyroidism rate does not reflect the permanent hypoparathyroidism rate. Consequently, immediate hypoparathyroidism should not be used to assess the quality of thyroidectomy or to monitor the performance of surgeons. PMID- 27866718 TI - Mutational analysis of metastatic lymph nodes from papillary thyroid carcinoma in adult and pediatric patients. AB - BACKGROUND: Limited data are available on the analysis of somatic mutations in metastatic lymph nodes in adult and pediatric patients with papillary thyroid carcinomas. METHODS: A total of 92, microdissected, formalin-fixed, paraffin embedded tissue specimens from 39 patients were analyzed for the presence of somatic mutations utilizing the ThyGenX next-generation sequencing test. RESULTS: Somatic mutations were detected in 67% of papillary thyroid carcinoma specimens. The majority of patients with synchronous and all 6 patients with radioactive iodine-resistant (metachronous) metastatic lymph nodes contained BRAF mutations. Four patients had mutations detected in their metastatic lymph nodes that were not detected in their primary tumors. For the most part, BRAF mutations were seen in adults, and RAS mutations were seen in children. CONCLUSION: Findings of different mutations in metastatic lymph nodes compared with the primary papillary thyroid carcinomas are probably the result of tumor heterogeneity. The presence of the BRAF mutation in metastatic lymph nodes might be responsible for the recurrence of papillary thyroid carcinomas and resistance to radioactive iodine therapy. The good prognosis observed in papillary thyroid carcinomas found in pediatric and young adult patients might be explained by the predominance of RAS rather than BRAF mutations. PMID- 27866719 TI - Endocrine surgery fellowship graduates past, present, and future: 8 years of early job market experiences and what program directors and trainees can expect. AB - BACKGROUND: Given the increasing number of endocrine surgery fellowship graduates, we investigated if expectations and job opportunities changed over time. METHODS: American Association of Endocrine Surgeons (AAES) fellowship graduates, surgery department chairs, and physician recruiters were surveyed. Univariate analysis was performed with JMP Pro 12 software. RESULTS: We identified 141 graduates from 2008-2015; survey response rate was 72% (n = 101). Compared to earlier graduates, fewer academic opportunities were available for the recent graduates who intended to join them (P = .001). Unlike earlier graduates, recent graduates expected to also perform elective general surgery, which ultimately represented a greater percentage of their practices (both P < .05). Interview offers increased for recent graduates, but job offers decreased. Overall, 84% of graduates matched their intended practice type and 98% reported being satisfied. Reponses from graduates, department chairs, and physician recruiters highlighted opportunities to improve mentor involvement, job search strategies, and online job board utilization. CONCLUSION: The endocrine surgery job market has diversified resulting in more graduates entering nonacademic practices and performing general surgery. This rapid evolution supports future analyses of the job market and opportunities for job creation. Almost every graduate reported job satisfaction, which encourages graduates to consider joining both academic and nonacademic practices equally. PMID- 27866720 TI - Discussion. PMID- 27866721 TI - Discussion. PMID- 27866722 TI - Effectiveness of traffic-related elements in tree bark and pollen abortion rates for assessing air pollution exposure on respiratory mortality rates. AB - The majority of epidemiological studies correlate the cardiorespiratory effects of air pollution exposure by considering the concentrations of pollutants measured from conventional monitoring networks. The conventional air quality monitoring methods are expensive, and their data are insufficient for providing good spatial resolution. We hypothesized that bioassays using plants could effectively determine pollutant gradients, thus helping to assess the risks associated with air pollution exposure. The study regions were determined from different prevalent respiratory death distributions in the Sao Paulo municipality. Samples of tree flower buds were collected from twelve sites in four regional districts. The genotoxic effects caused by air pollution were tested through a pollen abortion bioassay. Elements derived from vehicular traffic that accumulated in tree barks were determined using energy-dispersive X ray fluorescence spectrometry (EDXRF). Mortality data were collected from the mortality information program of Sao Paulo City. Principal component analysis (PCA) was applied to the concentrations of elements accumulated in tree barks. Pearson correlation and exponential regression were performed considering the elements, pollen abortion rates and mortality data. PCA identified five factors, of which four represented elements related to vehicular traffic. The elements Al, S, Fe, Mn, Cu, and Zn showed a strong correlation with mortality rates (R2>0.87) and pollen abortion rates (R2>0.82). These results demonstrate that tree barks and pollen abortion rates allow for correlations between vehicular traffic emissions and associated outcomes such as genotoxic effects and mortality data. PMID- 27866724 TI - Spatial and temporal microbial pollution patterns in a tropical estuary during high and low river flow conditions. AB - Spatial and temporal patterns of coastal microbial pollution are not well documented. Our study examined these patterns through measurements of fecal indicator bacteria (FIB), nutrients, and physiochemical parameters in Hilo Bay, Hawai'i, during high and low river flow. >40% of samples tested positive for the human-associated Bacteroides marker, with highest percentages near rivers. Other FIB were also higher near rivers, but only Clostridium perfringens concentrations were related to discharge. During storms, FIB concentrations were three times to an order of magnitude higher, and increased with decreasing salinity and water temperature, and increasing turbidity. These relationships and high spatial resolution data for these parameters were used to create Enterococcus spp. and C. perfringens maps that predicted exceedances with 64% and 95% accuracy, respectively. Mapping microbial pollution patterns and predicting exceedances is a valuable tool that can improve water quality monitoring and aid in visualizing FIB hotspots for management actions. PMID- 27866723 TI - Association between ambient particulate matter exposure and semen quality in Wuhan, China. AB - BACKGROUND: Health effects of exposure to particulate matter (PM) on male reproductive health remain unclear. Only a limited number of studies have investigated the effects of PM2.5 or PM10 exposure on semen quality, and the results were largely inconsistent. OBJECTIVES: To quantitatively assess the exposure-response association between PM exposure and semen quality in Chinese men who were exposed to a wide concentration range of PM. METHODS: We investigated 1759 men from Wuhan, China, who were partners of women undergoing assisted reproductive technology procedures, and had semen examined at least once between 2013 and 2015. Individual PM2.5 and PM10 exposures during 0-90, 0-9, 10 14 and 70-90days before each semen examination (corresponding to the entire and three key periods of sperm development, respectively) were retrospectively estimated by inverse distance weighting interpolation. Linear mixed models were used to assess exposure-response relations of PM exposure with sperm concentration, count and motility. RESULTS: PM2.5 exposure during 0-90 lag days ranged from 27.3 to 172.4MUg/m3. It was linearly and inversely associated with sperm concentration (beta: -0.20; 95% CI: -0.34, -0.07) and count (-0.22; -0.35, 0.08). For the three key exposure periods, only PM2.5 exposure during the 70-90 lag days was significantly associated with sperm concentration (-0.12; -0.22, 0.03) and count (-0.12; -0.21, -0.02). Sensitivity analyses for a subgroup (n=1146) excluding subjects with abnormal sperm concentration, count or motility yielded similar results. Compared with PM2.5, we found generally similar associations for PM10 exposure in relation to sperm concentration and count, except that the associations appeared to be nonlinear with inverted J-shaped relationships. Neither PM2.5 nor PM10 exposure was significantly associated with sperm motility (all p>0.05). CONCLUSIONS: Our results suggest that ambient PM exposure during sperm development adversely affects semen quality, in particular sperm concentration and count. PMID- 27866725 TI - Common attributes of high/low performing general surgery programs as they relate to QE/CE pass rates. AB - PURPOSE: This comparative study aims to identify the differences between high and low performing programs as defined by their ABS board pass rates. METHODS: We identified programs in the top 5% (TP) and lower 5% (LP) for 1st time QE/CE pass rates during the study period with resident and program related variables. All data was pooled and analyzed. RESULTS: TP had more U.S. graduates, higher average USMLE Step 1/2 scores, and all residents took the exam within a year of graduation. TP were more likely to rotate at a Level 1 trauma center, spent more time with simulation, and had numerous fellowship programs. They ascribed their success to mock oral exams, mature curricula, and group educational activities. Graduates of TP chose general surgery twice as often (40% vs 19%). CONCLUSIONS: Program related factors (Level 1 trauma, excellent didactics, higher number of fellowships, increased group educational activities, higher percentage of graduates into general surgery) are associated with TP. Our data suggests there may be modifiable program related variables that positively impact QE/CE pass rates. PMID- 27866726 TI - Trends in mastectomy and reconstruction for breast cancer; a twelve year experience from a tertiary care center. AB - BACKGROUND: Many surgical options exist for breast cancer, including breast conserving therapy (BCT), mastectomy with reconstruction (MAST+RECON) or without reconstruction (MAST). Long-term results regarding oncologic outcomes are few and primarily retrospective studies. METHODS: A retrospective review of a prospectively collected database of patients undergoing breast surgery for breast cancer from 2002 to 2014 was performed. Patients were separated into 3 time periods for analysis: 2002 to 2005, 2006 to 2009, and 2010 to 2014. Recurrence outcomes were compared at 4 years between MAST+RECON patients. RESULTS: Two thousand seventy-six patients were identified: 61.2% underwent BCT, 19.7% had MAST, and 19.1% had MAST+RECON. BCT patients were older and had smaller tumors. MAST+RECON increased in prevalence, whereas BCT decreased. Implant-based reconstruction and conservative mastectomy rates increased over the study period. Four-year local recurrence-free rates were similar in nipple-sparing and skin sparing mastectomy groups. CONCLUSIONS: BCT usage has decreased, trending toward immediate, nipple-sparing mastectomy, implant-based reconstruction. Surgeons should be aware of trends to optimally offer patients their surgical options. PMID- 27866727 TI - Who did the case? Perceptions on resident operative participation. AB - BACKGROUND: The ACGME case log is one of the primary metrics used to determine resident competency; it is unclear if this is an accurate reflection of the residents' role and participation. METHODS: Residents and faculty were independently administered 16-question surveys following each case over a three week period. The main outcome was agreement between resident and faculty on resident role and percent of the case performed by the resident. RESULTS: Matched responses were collected for 87 cases. Agreement on percent performed occurred in 61% of cases, on role in 63%, and on both in 47%. Disagreement was more often due to resident perception they performed more of the case. Faculty with <10 years experience were more likely to have disagreement compared to faculty with >=10 years (p = 0.009). CONCLUSIONS: There was a high degree of disagreement between faculty and residents regarding percent of the case performed and role. Accurate understanding of participation and competency is vital for accrediting institutions and for resident self-assessment meriting further study of the causes for this disagreement to improve training and evaluation. PMID- 27866728 TI - What is new in 2015 in dysimmune neuropathies? AB - This review discusses and summarizes the concept of nodopathies, the diagnostic features, investigations, pathophysiology, and treatment options of chronic inflammatory demyelinating polyradiculoneuropathy, and gives updates on other inflammatory and dysimmune neuropathies such as Guillain-Barre syndrome, sensory neuronopathies, small-fiber-predominant ganglionitis, POEMS syndrome, neuropathies associated with IgM monoclonal gammopathy and multifocal motor neuropathy. This field of research has contributed to the antigenic characterization of the peripheral motor and sensory functional systems, as well as helping to define immune neuropathic syndromes with widely different clinical presentation, prognosis and response to therapy. PMID- 27866730 TI - Hereditary neuropathies: An update. AB - Hereditary neuropathies are the most common inherited neuromuscular diseases. Charcot-Marie-Tooth (CMT) disease represents the most common form with an average prevalence ranging from 1/2500 to 1/1200, depending on the studies. To date and with the advances of the latest generation sequencing, more than 80 genes have been identified. Although the common clinical phenotype comprises a progressive distal muscle weakness and sensory loss, foot deformities and decreased or absent tendon reflexes, clinical and electrophysiological phenotypes exhibit great variability. Moreover, atypical phenotypes are arising, overlapping with spastic paraplegia, hereditary sensory neuropathies or amyotrophic lateral sclerosis. The causative genes are involved in various biological processes such as myelin development and maintenance, biosynthesis and degradation of proteins, neuronal structural maintenance, axonal transport, endocytosis, membrane dynamics, ion channel function and the mitochondrial network. An accurate genetic diagnosis is important for appropriate genetic counselling and treatment options. Therapeutic advances, particularly small interfering RNA therapy, are encouraging in hereditary transthyretin amyloid neuropathy. PMID- 27866729 TI - Molecular imaging in the diagnosis of Alzheimer's disease and related disorders. AB - INTRODUCTION: The diagnosis of Alzheimer's disease (AD) and its related disorders rely on clinical criteria. There is, however, a large clinical overlap between the different neurodegenerative diseases affecting cognition and, frequently, there are diagnostic uncertainties with atypical clinical presentations. Current clinical practices can now regularly use positron emission tomography (PET) and single-photon emission computed tomography (SPECT) molecular imaging to help resolve such uncertainties. The Neurology Group of the French Society of Nuclear Medicine and Federations of Memory, Resources and Research Centers have collaborated to establish clinical guidelines to determine which molecular imaging techniques to use when seeking a differential diagnosis between AD and other neurodegenerative disorders affecting cognition. STATE OF KNOWLEDGE: According to the current medical literature, the potential usefulness of molecular imaging to address the typical clinical criteria in common forms of AD remains modest, as typical AD presentations rarely raise questions of differential diagnoses with other neurodegenerative disorders. However, molecular imaging could be of significant value in the diagnosis of atypical neurodegenerative disorders, including early onset, rapid cognitive decline, prominent non-amnestic presentations involving language, visuospatial, behavioral/executive and/or non-cognitive symptoms in AD, or prominent amnestic presentations in other non-AD dementias. CONCLUSION AND PERSPECTIVE: The clinical use of molecular imaging should be recommended for assessing cognitive disturbances particularly in patients with early clinical onset (before age 65) and atypical presentations. However, diagnostic tools should always be part of the global clinical approach, as an isolated positive result cannot adequately establish a diagnosis of any neurodegenerative disorder. PMID- 27866731 TI - Guillain-Barre syndrome: 100 years on. AB - The Guillain-Barre syndrome is associated with acute polyradiculoneuritis for almost one century. Its spectrum has considerably been enlarged since its first description. It now includes pure motor or sensory syndromes, focal forms, demyelinating and axonal neurophysiological features that characterise excitability dysfunctions, and immunological differentiations. We can hope that this improved classification will facilitate development of treatment innovations for a condition that is still a life-threatening condition with a severe functional prognosis in a significant proportion of cases. PMID- 27866732 TI - Impact of a direct-admission stroke pathway on delays of admission, care, and rates of intravenous thrombolysis. AB - INTRODUCTION: This study examined the impact of a "direct potential thrombolysis" pathway with direct admission to a neurological stroke unit (SU) on delays of admission, stroke care and proportion of patients with ischemic stroke (IS) treated with intravenous (IV) rtPA. METHODS: This prospective study included all patients admitted in the intensive SU for potential thrombolysis over a 2-month period. Data collected included the time of symptom onset, mode of transport, National Institutes of Health Stroke Scale (NIHSS) score on arrival, delays of care, delays of imaging and modalities, diagnosis and therapeutic data. RESULTS: During the 2-month study period, 81 patients (mean age of 65 years) were included in the study. The Emergency Medical Services (EMS) were involved in 86% of admissions, with a median delay of admission of 1h48 and access within 4.5h in 84% of cases. Every patient underwent immediate neurovascular assessment and imaging examination, which was a MRI in 80% of cases. Only 70% of patients had a final diagnosis of stroke. Intravenous rtPA therapy was administered to 26 patients (32%), and 58% of patients with IS. The median door-to-needle time delay was 63min. CONCLUSION: A direct 'potential thrombolysis' pathway, based on EMS and located in the SU, can result in earlier admission, reaching the recommended care delay, and a large proportion (58%) of IS patients receiving rtPA therapy. On the other hand, the proportion of patients with stroke mimics is high, thereby increasing the chances of intermittent periods of saturation of this specific pathway. PMID- 27866733 TI - Review of the literature: Articles published in the last five years that have changed my daily practice. AB - Over the last five years, the management of peripheral neuropathies has become structured by the publication of recognized diagnostic criteria for inflammatory neuropathies and the elaboration of a function score, the R-ODS, used to evaluate the progression of these neuropathies. The concept of nodo-paranodopathy has enriched the concept of peripheral neuropathies, over-riding the classical mechanisms of axonal and demyelinating mechanisms. The structures of the nodes of Ranvier, gangliosides, contractin and neurofascin are preferential targets for auto-antibodies responsible for dysimmune neuropathies. Concerning treatments, immunosuppressors have demonstrated their efficacy for the treatment of anti-MAG neuropathies. Corticosteroid treatments are also in the limelight, demonstrating a different response profile than intravenous immunoglobulins for CIDP. But the most remarkable therapeutic progress has been made in the domain of hereditary neuropathies. The first trial versus placebo produced positive results in CMT1a. Finally, the era of genetic therapy appears to have come to fruition with the interfering RNA trial for familial amyloid neuropathies. PMID- 27866736 TI - Assessing the transport of PAH in the surficial sediment layer by passive sampler approach. AB - A new method based on passive samplers has been developed to assess the diffusive flux of fluorene, fluoranthene and pyrene in the sediment bed and across the sediment-water interface. The dissolved compound concentration gradient in the sediment in the vertical direction was measured at the outlet of a storm water pond by using polyethylene strips as passive samplers. Simultaneously, the dissipation of a set of tracer compounds preloaded in the passive samplers was measured to estimate the effective diffusion coefficients of the pollutants in the sediment. Both measurements were used to evaluate the diffusive flux of the compounds according to Fick's first law. The diffusive fluxes of the 3 studied compounds have been estimated with a centimetre-scale resolution in the upper 44cm of the sediment. According to the higher compound diffusion coefficient and the steeper concentration gradient in the surficial sediment layer, the results show that the net flux of compounds near the sediment interface (1cm depth) is on average 500 times higher than in the deep sediment, with average fluxes at 1cm depth on the order of 5, 0.1 and 0.1ng/m2/y for fluorene, fluoranthene and pyrene, respectively. PMID- 27866734 TI - Comparing Variability, Severity, and Persistence of Depressive Symptoms as Predictors of Future Stroke Risk. AB - OBJECTIVE: Numerous studies show that depressive symptoms measured at a single assessment predict greater future stroke risk. Longer-term symptom patterns, such as variability across repeated measures or worst symptom level, might better reflect adverse aspects of depression than a single measurement. This prospective study compared five approaches to operationalizing depressive symptoms at annual assessments as predictors of stroke incidence. DESIGN: Cohort followed for incident stroke over an average of 6.4 years. SETTING: The Adult Changes in Thought cohort follows initially cognitively intact, community- dwelling older adults from a population base defined by membership in Group Health, a Seattle based nonprofit healthcare organization. PARTICIPANTS: 3,524 individuals aged 65 years and older. MEASUREMENTS: We identified 665 incident strokes using ICD codes. We considered both baseline Center for Epidemiologic Studies-Depression scale (CES-D) score and, using a moving window of three most recent annual CES-D measurements, we compared most recent, maximum, average, and intra-individual variability of CES-D scores as predictors of subsequent stroke using Cox proportional hazards models. RESULTS: Greater maximum (hazard ratio [HR]: 1.18; 95% CI: 1.07-1.30), average (HR: 1.20; 95% CI: 1.05-1.36) and intra-individual variability (HR: 1.15; 95% CI: 1.06-1.24) in CES-D were each associated with elevated stroke risk, independent of sociodemographics, cardiovascular risks, cognition, and daily functioning. Neither baseline nor most recent CES-D was associated with stroke. In a combined model, intra-individual variability in CES D predicted stroke, but average CES-D did not. CONCLUSIONS: Capturing the dynamic nature of depression is relevant in assessing stroke risk. Fluctuating depressive symptoms may reflect a prodrome of reduced cerebrovascular integrity. PMID- 27866735 TI - Metal exposures from aluminum cookware: An unrecognized public health risk in developing countries. AB - Removing lead from gasoline has resulted in decreases in blood lead levels in most of the world, but blood lead levels remain elevated in low and middle-income countries compared to more developed countries. Several reasons for this difference have been investigated, but few studies have examined the potential contribution from locally-made aluminum cookware. In a previous study of cookware from a single African country, Cameroon, artisanal aluminum cookware that is made from scrap metal released significant quantities of lead. In this study, 42 intact aluminum cookware items from ten developing countries were tested for their potential to release lead and other metals during cooking. Fifteen items released >=1 microgram of lead per serving (250mL) when tested by boiling with dilute acetic acid for 2h. One pot, from Viet Nam, released 33, 1126 and 1426 micrograms per serving in successive tests. Ten samples released >1 microgram of cadmium per serving, and fifteen items released >1 microgram of arsenic per serving. The mean exposure estimate for aluminum was 125mg per serving, more than six times the World Health Organization's Provisional Tolerable Weekly Intake of 20mg/day for a 70kg adult, and 40 of 42 items tested exceeded this level. We conducted preliminary assessments of three potential methods to reduce metal leaching from this cookware. Coating the cookware reduced aluminum exposure per serving by >98%, and similar reductions were seen for other metals as well. Potential exposure to metals by corrosion during cooking may pose a significant and largely unrecognized public health risk which deserves urgent attention. PMID- 27866737 TI - Enhanced nitrogen loss from rivers through coupled nitrification-denitrification caused by suspended sediment. AB - Present-day estimations of global nitrogen loss (N-loss) are underestimated. Commonly, N-loss from rivers is thought to be caused by denitrification only in bed-sediments. However, coupled nitrification-denitrification occurring in overlying water with suspended sediments (SPS) where oxic and anoxic/low oxygen zones may coexist is ignored for N-loss in rivers. Here the Yellow and Yangtze Rivers were taken as examples to investigate the effect of SPS, which exists in many rivers of the world, on N loss through coupled nitrification-denitrification with nitrogen stable (15N) isotopic tracer simulation experiments and in-situ investigation. The results showed even when SPS was surrounded by oxic waters, there were redox conditions that transitioned from an oxic surface layer to anoxic layer near the particle center, enabling coupled nitrification denitrification to occur around SPS. The production rate of 15N2 from 15NH4+-N (R15N2-production) increased with increasing SPS concentration ([SPS]) as a power function (R15N2-production=a.[SPS]b) for both the SPS-water and bed sediment-SPS water systems. The power-functional increase of nitrifying and denitrifying bacteria population with [SPS] accounted for the enhanced coupled nitrification denitrification rate in overlying water. SPS also accelerated denitrification in bed-sediment due to increased NO3- concentration caused by SPS-mediated nitrification. For these two rivers, 1gL-1 SPS will lead to N-loss enhancement by approximately 25-120%, and the enhancement increased with organic carbon content of SPS. Thus, we conclude that SPS in overlying water is a hot spot for nitrogen loss in river systems and current estimates of in-stream N-loss are underestimated without consideration of SPS; this may partially compensate for the current imbalance of global nitrogen inputs and sinks. PMID- 27866738 TI - Novel hydrolytic de-methylthiolation of the s-triazine herbicide prometryn by Leucobacter sp. JW-1. AB - s-Triazine herbicides have been widely used in recent decades and caused serious concern over contamination of groundwater, surface water and soil. A novel bacterial strain JW-1 was isolated from activated sludge and identified as Leucobacter sp. based on comparative morphology, physiological characteristics and comparison of the 16S rDNA gene sequence. JW-1 was capable of using methylthio-s-triazine prometryn as a sole source of carbon and energy in pure culture. Favorable conditions for prometryn degradation were found at pH7.0-9.0 and temperature of 37-42 degrees C. The degradation half-life of prometryn at 50mgL-1 was remarkably as short as 1.1h, and increased to 6.0h when the initial concentration increased to 400mgL-1. The strain JW-1 could degrade 100% of ametryn, 99% of simetryn, 41% of propazine, 43% of atrazine, 28% of simazine, 12% of terbutylhylazine, 10% of prometon and 13% of atraton at 50mgL-1 of each herbicide in 2days. Prometryn was converted to 2-hydroxypropazine and methanthiol via a novel hydrolysis pathway. 2-Hydroxypropazine was then transformed to N isopropylammelide and the final product cyanuric acid via two sequential deamination reactions. In addition to biodegradation by Leucobacter sp. JW-1, the hydrolytic de-methylthiolation would be valuable in biocatalysis. PMID- 27866740 TI - Metabolomics evaluation of the in vivo toxicity of bromoacetonitriles: One class of high-risk nitrogenous disinfection byproducts. AB - Bromoacetonitriles (BANs), one class of nitrogenous disinfection byproducts (N DBPs), have frequently been detected in drinking water. The cytotoxicity and genotoxicity of BANs have been demonstrated in mammalian cells. However, a systematic study of the in vivo toxicity of BANs is rare. In this study, metabolomics combined with histopathology and oxidative stress analysis were used to evaluate the toxicity of BANs in mice. The results indicated that BAN exposure induced liver and kidney injury in mice. Furthermore, the superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px) activities decreased, and the level of malonaldehyde (MDA) increased in mice livers due to BANs exposure, which indicated that hepatic oxidative stress was induced. These toxicities increased with an increasing number of bromine at the alpha carbon. In addition, BAN exposure disrupted the metabolic pathways of amino acid, energy and lipid metabolism in mice. Our results provide evidence for the comprehensive omics endpoints of the in vivo toxicity of BANs. PMID- 27866739 TI - An integrated approach for identifying priority contaminant in the Great Lakes Basin - Investigations in the Lower Green Bay/Fox River and Milwaukee Estuary areas of concern. AB - Environmental assessment of complex mixtures typically requires integration of chemical and biological measurements. This study demonstrates the use of a combination of instrumental chemical analyses, effects-based monitoring, and bio effects prediction approaches to help identify potential hazards and priority contaminants in two Great Lakes Areas of Concern (AOCs), the Lower Green Bay/Fox River located near Green Bay, WI, USA and the Milwaukee Estuary, located near Milwaukee, WI, USA. Fathead minnows were caged at four sites within each AOC (eight sites total). Following 4d of in situ exposure, tissues and biofluids were sampled and used for targeted biological effects analyses. Additionally, 4d composite water samples were collected concurrently at each caged fish site and analyzed for 132 analytes as well as evaluated for total estrogenic and androgenic activity using cell-based bioassays. Of the analytes examined, 75 were detected in composite samples from at least one site. Based on multiple analyses, one site in the East River and another site near a paper mill discharge in the Lower Green Bay/Fox River AOC, were prioritized due to their estrogenic and androgenic activity, respectively. The water samples from other sites generally did not exhibit significant estrogenic or androgenic activity, nor was there evidence for endocrine disruption in the fish exposed at these sites as indicated by the lack of alterations in ex vivo steroid production, circulating steroid concentrations, or vitellogenin mRNA expression in males. Induction of hepatic cyp1a mRNA expression was detected at several sites, suggesting the presence of chemicals that activate the aryl hydrocarbon receptor. To expand the scope beyond targeted investigation of endpoints selected a priori, several bio-effects prediction approaches were employed to identify other potentially disturbed biological pathways and related chemical constituents that may warrant future monitoring at these sites. For example, several chemicals such as diethylphthalate and naphthalene, and genes and related pathways, such as cholinergic receptor muscarinic 3 (CHRM3), estrogen receptor alpha1 (esr1), chemokine ligand 10 protein (CXCL10), tumor protein p53 (p53), and monoamine oxidase B (Maob), were identified as candidates for future assessments at these AOCs. Overall, this study demonstrates that a better prioritization of contaminants and associated hazards can be achieved through integrated evaluation of multiple lines of evidence. Such prioritization can guide more comprehensive follow-up risk assessment efforts. PMID- 27866741 TI - Assessment of indoor air quality in office buildings across Europe - The OFFICAIR study. AB - The European project OFFICAIR aimed to broaden the existing knowledge regarding indoor air quality (IAQ) in modern office buildings, i.e., recently built or refurbished buildings. Thirty-seven office buildings participated in the summer campaign (2012), and thirty-five participated in the winter campaign (2012-2013). Four rooms were investigated per building. The target pollutants were twelve volatile organic compounds, seven aldehydes, ozone, nitrogen dioxide and particulate matter with aerodynamic diameter <2.5MUm (PM2.5). Compared to other studies in office buildings, the benzene, toluene, ethylbenzene, and xylene concentrations were lower in OFFICAIR buildings, while the alpha-pinene and d limonene concentrations were higher, and the aldehyde, nitrogen dioxide and PM2.5 concentrations were of the same order of magnitude. When comparing summer and winter, significantly higher concentrations were measured in summer for formaldehyde and ozone, and in winter for benzene, alpha-pinene, d-limonene, and nitrogen dioxide. The terpene and 2-ethylhexanol concentrations showed heterogeneity within buildings regardless of the season. Considering the average of the summer and winter concentrations, the acetaldehyde and hexanal concentrations tended to increase by 4-5% on average with every floor level increase, and the nitrogen dioxide concentration tended to decrease by 3% on average with every floor level increase. A preliminary evaluation of IAQ in terms of potential irritative and respiratory health effects was performed. The 5-day median and maximum indoor air concentrations of formaldehyde and ozone did not exceed their respective WHO air quality guidelines, and those of acrolein, alpha pinene, and d-limonene were lower than their estimated thresholds for irritative and respiratory effects. PM2.5 indoor concentrations were higher than the 24-h and annual WHO ambient air quality guidelines. PMID- 27866742 TI - Spatiotemporal patterns of paddy rice croplands in China and India from 2000 to 2015. AB - Due to rapid population growth and urbanization, paddy rice agriculture is experiencing substantial changes in the spatiotemporal pattern of planting areas in the two most populous countries-China and India-where food security is always the primary concern. However, there is no spatially explicit and continuous rice planting information in either country. This knowledge gap clearly hinders our ability to understand the effects of spatial paddy rice area dynamics on the environment, such as food and water security, climate change, and zoonotic infectious disease transmission. To resolve this problem, we first generated annual maps of paddy rice planting areas for both countries from 2000 to 2015, which are derived from time series Moderate Resolution Imaging Spectroradiometer (MODIS) data and the phenology- and pixel-based rice mapping platform (RICE MODIS), and analyzed the spatiotemporal pattern of paddy rice dynamics in the two countries. We found that China experienced a general decrease in paddy rice planting area with a rate of 0.72 million (m) ha/yr from 2000 to 2015, while a significant increase at a rate of 0.27mha/yr for the same time period happened in India. The spatial pattern of paddy rice agriculture in China shifted northeastward significantly, due to simultaneous expansions in paddy rice planting areas in northeastern China and contractions in southern China. India showed an expansion of paddy rice areas across the entire country, particularly in the northwestern region of the Indo-Gangetic Plain located in north India and the central and south plateau of India. In general, there has been a northwesterly shift in the spatial pattern of paddy rice agriculture in India. These changes in the spatiotemporal patterns of paddy rice planting area have raised new concerns on how the shift may affect national food security and environmental issues relevant to water, climate, and biodiversity. PMID- 27866743 TI - A data-mining framework for exploring the multi-relation between fish species and water quality through self-organizing map. AB - The steep slopes of rivers can easily lead to large variations in river water quality during typhoon seasons in Taiwan, which may poses significant impacts on riverine eco-hydrological environments. This study aims to investigate the relationship between fish communities and water quality by using artificial neural networks (ANNs) for comprehending the upstream eco-hydrological system in northern Taiwan. We collected a total of 276 heterogeneous datasets with 8 water quality parameters and 25 fish species from 10 sampling sites. The self organizing feature map (SOM) was used to cluster, analyze and visualize the heterogeneous datasets. Furthermore, the structuring index (SI) was adopted to determine the relative importance of each input variable of the SOM and identify the indicator factors. The clustering results showed that the SOM could suitably reflect the spatial characteristics of fishery sampling sites. Besides, the patterns of water quality parameters and fish species could be distinguishably (visually) classified into three eco-water quality groups: 1) typical upstream freshwater fishes that depended the most on dissolved oxygen (DO); 2) typical middle-lower reach riverine freshwater fishes that depended the most on total phosphorus (TP) and ammonia nitrogen; and 3) low lands or pond (reservoirs) freshwater fishes that depended the most on water temperature, suspended solids and chemical oxygen demand. According to the results of the SI, the representative indicators of water quality parameters and fish species consisted of DO, TP and Onychostoma barbatulum. This grouping result suggested that the methodology can be used as a guiding reference to comprehensively relate ecology to water quality. Our methods offer a cost-effective alternative to more traditional methods for identifying key water quality factors relating to fish species. In addition, visualizing the constructed topological maps of the SOM could produce detailed inter-relation between water quality and the fish species of stream habitat units. PMID- 27866744 TI - Role of solution chemistry in the retention and release of graphene oxide nanomaterials in uncoated and iron oxide-coated sand. AB - Understanding the fate and transport including remobilization of graphene oxide nanomaterials (GONMs) in the subsurface would enable us to expedite their benign use and evaluate their environmental impacts and health risks. In this study, the retention and release of GONMs were investigated in water-saturated columns packed with uncoated sand (Un-S) or iron oxide-coated sand (FeS) at environmentally relevant solution chemistries (1-100mM KCl and 0.1-10mM CaCl2 at pH7 and 11). Our results showed that increasing ionic strength (IS) inhibited GONMs' transport, and the impact of K+ was less than Ca2+. The positively charged iron oxide coating on sand surfaces immobilized the negatively charged GONMs (pH7) in the primary minimum, yielding hyperexponential retention profiles particularly in Ca2+. A stepwise decrease in pore-water IS caused detachment of previously retained GONMs. The mass of GONMs released during each detachment step correlated positively with the difference in secondary minimum depth (DeltaPhimin2) at each IS, indicating that the released GONMs were retained in the secondary minimum. While most retained GONMs were re-entrained upon lowering pore-water IS in Un-S, decreasing IS only released limited GONMs in FeS, which were captured in the primary minimum. Introducing 1mM NaOH (pH11) released most retained GONMs in FeS; and average hydrodynamic diameters of the detached GONMs upon injecting NaOH were significantly smaller than those of GONMs in the influent and retentate, suggesting that NaOH induced GONMs disaggregation. Our findings advance current knowledge to better predict NMs' fate and transport under various solution chemistries such as during rainfall events or in the mixing zones between sea water and fresh water where transient IS changes drastically. PMID- 27866745 TI - Urbanization impact on sulfur content of groundwater revealed by the study of urban speleothem-like deposits: Case study in Paris, France. AB - Speleothem-like deposits that develop underground in urban areas are an archive of the environmental impact of anthropic activities that has been little studied so far. In this paper, the sulfate content in shallow groundwater from northern Paris (France) is compared with the sulfur content in two 300-year-old urban carbonate deposits that grew in a historical underground aqueduct. The present day waters of the aqueduct have very high sulfur and calcium contents, suggesting pollution from gypsum dissolution. However, geological gypsum levels are located below the water table. Sulfur content was measured by micro-X-ray fluorescence in these very S-rich carbonate deposits (0.5 to 1% of S). A twofold S increase during the second half of the 1800s was found in both samples. These dates correspond to two major periods of urbanization above the site. We discus three possible S sources: anthropic sources (industries, fertilizers...), volcanic eruptions and input within the water through gypsum brought for urbanization above the studied site (backfill with quarry waste) since the middle of the 19th century. For the younger second half of the studied section, S input from gypsum brought during urbanization was confirmed by the study of isotopic sulfur composition (delta34S=+15.20/00 at the top). For the oldest part, several sulfur peaks could be related to early industrial activity in Paris, that caused high local air pollution, as reported in historical archives but also to historical gypsum extraction. This study provides information on the origin and timing of the very high SO42- levels measured nowadays within the shallow groundwater, thus demonstrating the interest in using carbonate deposits in urban areas as a proxy for the history of urbanization or human activities and their impact on water bodies. PMID- 27866746 TI - How does elevated ozone reduce methane emissions from peatlands? AB - The effects of increased tropospheric ozone (O3) pollution levels on methane (CH4) emissions from peatlands, and their underlying mechanisms, remain unclear. In this study, we exposed peatland mesocosms from a temperate wet heath dominated by the sedge Schoenus nigricans and Sphagnum papillosum to four O3 treatments in open-top chambers for 2.5years, to investigate the O3 impacts on CH4 emissions and the processes that underpin these responses. Summer CH4 emissions, were significantly reduced, by 27% over the experiment, due to summer daytime (8hday 1) O3 exposure to non-filtered air (NFA) plus 35ppb O3, but were not significantly affected by year-round, 24hday-1, exposure to NFA plus 10ppb or NFA plus 25ppb O3. There was no evidence that the reduced CH4 emissions in response to elevated summer O3 exposure were caused by reduced plant-derived carbon availability below-ground, because we found no significant effect of high summer O3 exposure on root biomass, pore water dissolved organic carbon concentrations or the contribution of recent photosynthate to CH4 emissions. Our CH4 production potential and CH4 oxidation potential measurements in the different O3 treatments could also not explain the observed CH4 emission responses to O3. However, pore water ammonium concentrations at 20cm depth were consistently reduced during the experiment by elevated summer O3 exposure, and strong positive correlations were observed between CH4 emission and pore water ammonium concentration at three peat depths over the 2.5-year study. Our results therefore imply that elevated regional O3 exposures in summer, but not the small increases in northern hemisphere annual mean background O3 concentrations predicted over this century, may lead to reduced CH4 emissions from temperate peatlands as a consequence of reductions in soil inorganic nitrogen affecting methanogenic and/or methanotrophic activity. PMID- 27866747 TI - Predicting readmission risk following coronary artery bypass surgery at the time of admission. AB - BACKGROUND: Reducing readmissions following hospitalization is a national priority. Identifying patients at high risk for readmission after coronary artery bypass graft surgery (CABG) early in a hospitalization would enable hospitals to enhance discharge planning. METHODS: We developed different models to predict 30 day inpatient readmission to our institution in patients who underwent CABG between January 2010 and April 2013. These models used data available: 1) at admission, 2) at discharge 3) from STS Registry data. We used logistic regression and assessed the discrimination of each model using the c-index. The models were validated with testing on a different patient cohort who underwent CABG between May 2013 and September 2015. Our cohort included 1277 CABG patients: 1159 in the derivation cohort and 1018 in the validation cohort. RESULTS: The discriminative ability of the admission model was reasonable (C-index of 0.673). The c-indices for the discharge and STS models were slightly better. (C-index of 0.700 and 0.714 respectively). Internal validation of the models showed a reasonable discriminative admission model with slight improvement with adding discharge and registry data (C-index of 0.641, 0.659 and 0.670 respectively). Similarly validation of the models on the validation cohort showed similar results (C-index of 0.573, 0.605 and 0.595 respectively). CONCLUSIONS: Risk prediction models based on data available early on admission are predictive for readmission risk. Adding registry data did not improved the performance of these models. These simplified models may be sufficient to identify patients at highest risk of readmission following coronary revascularization early in the hospitalization. PMID- 27866748 TI - Promus Premier versus Xience V and Taxus Liberte in contemporary United States practice (REWARDS premier registry). AB - BACKGROUND/PURPOSE: Drug-eluting stents (DES) reduce in-stent restenosis and repeat revascularization in comparison to bare metal stents. Individual DES vary, however, in regard to rates of restenosis and stent thrombosis; they also differ in regard to their platform and physical characteristics. The Promus Premier was designed to improve the performance of the Promus Element, with respect to conformability, trackability, and avoidance of longitudinal stent deformation; there is little published data, however, on clinical outcomes with Promus Premier. METHODS: We performed a registry study that compared 952 patients who underwent percutaneous coronary intervention with Promus Premier to 595 patients who received Taxus Liberte and 600 patients who received Xience V for a variety of indications. The primary endpoint was a composite of all-cause mortality, definite or probable stent thrombosis, myocardial infarction, and target vessel revascularization (TVR-MACE). Kaplan-Meier analysis and Cox proportional hazards regression were performed in order to compare the three stents in regard to outcomes at 1year. RESULTS: Procedural success was highest with Premier (99.4%) when compared to Xience V (98.0%) and Taxus Liberte (97.3%; p<0.001). Unadjusted survival analysis showed that TVR-MACE was less frequent with Premier in comparison to Taxus Liberte (p=0.003), and similar frequency in comparison to Xience V (p=0.16). Following multivariable adjustment, and using Xience V as the reference, there was only a borderline association of Promus Premier and lower rates of TVR-MACE (HR 0.69, 95% CI 0.45-1.04; p=0.075). CONCLUSION: Promus Premier demonstrates excellent procedural success rates and real-world outcomes that are similar to Xience V. PMID- 27866749 TI - Inter-population and inter-organ distribution of the main polyphenolic compounds of Epilobium angustifolium. AB - Rosebay willowherb (Epilobium angustifolium) contains large amounts of polyphenolic compounds, including tellimagrandin I-based oligomeric ellagitannins (ETs). The aim of this study was to assess the interpopulational and inter-organ variability of the polyphenol fingerprint of E. angustifolium. Seven ETs, 11 flavonol glycosides and neochlorogenic acid were quantified by UHPLC-DAD-ESI-QqQ MS in the leaves, flowers and stem parts of plants from 10 populations. Total polyphenol content of leaves and flowers ranged from 150 to 200 mg/g dry wt, of which 90% was constituted by dimeric to heptameric ETs. Flowers contained, on average, 10% more oenothein B (dimeric ET) and 2 times less oenothein A (trimeric ET) than leaves. Tetrameric and pentameric ETs exhibited rather similar levels in leaves and flowers whereas hexameric and heptameric were 3-4 times more abundant in flowers than in leaves. Quercetin-3-O-rhamnoside, myricetin-3-O-rhamnoside and kaempferol-3-O-rhamnoside were specific to flower tissue and were absent from leaves. The inflorescence stem showed the highest content in total polyphenols with an average of 250 mg/g dry wt and contained remarkably large amounts of oenothein B and A. Polyphenol content steadily decreased along the inflorescence stem and reached its lowest level in the vegetative part of the stem. The interpopulational variability of most polyphenols was within a two- to threefold range across the 10 sampled populations. Myricetin-3-O-glucoside and myricetin-3 O-glucuronide, however, showed a more population-specific distribution with concentrations varying from 0 to 2.3 mg/g dry wt. Finally, this study showed that the levels of oenothein B and A in the plant are not interdependent but that their relative abundance is constant within a population. PMID- 27866751 TI - Weight loss after bariatric surgery and periodontal changes: a 12-month prospective study. AB - BACKGROUND: Several longitudinal studies have explored the association of obesity and weight gain with periodontal disease. However, the effect of weight loss on periodontal tissues remains unclear. OBJECTIVE: To explore whether weight loss after bariatric surgery was associated with changes in periodontal measures over 12 months. SETTING: Two public hospitals in Sao Paulo, Brazil. METHODS: We used data from 110 morbidly obese patients (body mass index [BMI]>40 kg/m2 or>=35 kg/m2 with co-morbid conditions) who underwent bariatric surgery between April 2011 and March 2013. Data on demographic factors, BMI, smoking habits, and glucose levels were extracted from medical records preoperatively and after 6 and 12 months postsurgery. A full-mouth periodontal examination was conducted by trained examiners to assess probing pocket depth, clinical attachment loss, and bleeding on probing (BOP) at baseline and 6 and 12 months after surgery. Data were analyzed using linear mixed-effects models. RESULTS: BMI was not significantly related to the proportion of sites with BOP at baseline, but it was negatively associated with the rate of change in the proportion of sites with BOP. The greater the BMI loss, the higher the proportion of sites with BOP, particularly 6 months after surgery. However, BMI was not associated with baseline probing pocket depth and clinical attachment loss or rates of changes in these periodontal outcomes. CONCLUSION: The findings suggest that weight loss was associated with increased gingival bleeding, showing a peak at 6 months after bariatric surgery. Periodontal pocketing and attachment loss remained unchanged during the study period. PMID- 27866752 TI - Selling antimicrobials without prescription - Far beyond an administrative problem. AB - INTRODUCTION: Selling antibiotics without prescription is common in many countries; beyond the administrative restrictions, this practice is a risk for patients and society. The aim of the study was to evaluate the information provided by the staff of the pharmacy to a simulated patient requesting an antibiotic. MATERIAL AND METHODS: A prospective study was carried out in January 2013 - February 2014 in the Health Region of Tarragona, in which a mystery shopper visited 220 pharmacies requesting an antibiotic to be sold. RESULTS: The actress was not asked about allergies in 73.9% of cases and never was asked about possible pregnancy. Recommendation to see a doctor was observed in 36.1% of cases. When antibiotics were not sold, the explanation provided by the staff was reasoned only in 9.9% of the cases. CONCLUSION: It is necessary and urgent to improve the training of pharmacists in dispensing antibiotics but also strengthen basic health knowledge among the population. PMID- 27866750 TI - Distinguishing hypothetical willingness from behavioral intentions to initiate HIV pre-exposure prophylaxis (PrEP): Findings from a large cohort of gay and bisexual men in the U.S. AB - RATIONALE: Much of the data on the acceptability of HIV Pre-Exposure Prophylaxis (PrEP) is based on willingness to take PrEP (i.e., hypothetical receptivity) rather than actual intentions (i.e., planned behavioral action) to do so. OBJECTIVE: We sought to examine differences between hypothetical willingness and behavioral intentions to begin PrEP in a national sample of gay and bisexual men (GBM) across the U.S. METHODS: We utilized data collected in 2015 to examine differences between those Unwilling (42.6% n = 375), Willing but not intending (41.4%, n = 365), and willing and Intending to take PrEP (15.9%, n = 140) in a multivariable, multinomial logistic regression. RESULTS: Men with less education had higher odds of Intending to take PrEP. Compared to men unsure about PrEP's efficacy, those who believed PrEP was at least 90% efficacious had higher odds of Intending to take PrEP. Those who saw themselves as appropriate candidates for PrEP had higher odds of Intending to take PrEP while those who saw themselves as inappropriate candidates for PrEP had lower odds of Intending to take PrEP in comparison to men unsure if they were appropriate candidates. Increased motivation for condom non-use because of perceived sexual pressure by partners was associated with higher odds of Intending to take PrEP. The groups did not differ by risk behavior nor recent STI diagnosis. CONCLUSIONS: Overall, the distinction between willingness and intentions to take PrEP was meaningful and may help explain disparities between PrEP acceptability and uptake. While much of the literature has focused on hypothetical willingness to take PrEP, these results highlight the importance of simultaneously assessing willingness and intentions when examining correspondence with uptake and developing interventions to increase PrEP uptake. PMID- 27866753 TI - Molecular epidemiology of carbapenemase-producing Enterobacteriaceae infection/colonisation in a hospital in Madrid. AB - INTRODUCTION: A description is presented on the molecular epidemiology of carbapenemase-producing enterobacteriaceae infection in a tertiary hospital. MATERIAL AND METHODS: A study was made on all the carbapenemase-producing enterobacteriaceae isolations obtained between February 2015 and March 2016 in the Hospital Universitario 12 de Octubre (Madrid). Phenotypic and molecular methods were used. RESULTS: A total of 7 bacterial species were identified, with the majority being Klebsiella pneumoniae (K. pneumoniae) (78.9%) and Enterobacter cloacae (E. cloacae) (16.4%). The resistance of K. pneumoniae and E. cloacae for carbapenems was 88.7 and 88.6% for ertapenem, 21.4 and 54.3% for imipenem, and 20.8 and 34.3% for meropenem, respectively. The most frequent carbapenemase type was OXA-48 (91.1%) and VIM (71.4%) in E. cloacae. A total of 9K. pneumoniae clonal types were identified, including a majority pertaining to the sequence type ST11. In E. cloacae, 16 clonal types were identified. CONCLUSIONS: The current increase in carbapenemase-producing enterobacteriaceae is mainly due to the spread of OXA-48-producing K. pneumoniae. PMID- 27866754 TI - Cat bite wound infection. PMID- 27866755 TI - Evaluation of an automated room decontamination device using aerosolized peracetic acid. AB - Because manual cleaning is often suboptimal, there is increasing interest in use of automated devices for room decontamination. We demonstrated that an ultrasonic room fogging system that generates submicron droplets of peracetic acid and hydrogen peroxide eliminated Clostridium difficile spores and vegetative pathogens from exposed carriers in hospital rooms and adjacent bathrooms. PMID- 27866756 TI - Cuboid morphology of a basal anthropoid from the Eocene of China. PMID- 27866757 TI - Differential diagnosis of IgG4-related sialadenitis, primary Sjogren syndrome, and chronic obstructive submandibular sialadenitis. AB - Our aim was to differentiate IgG4-related sialadenitis, primary Sjogren syndrome, and chronic obstructive submandibular sialadenitis by analysing clinical, radiographic, and pathological features. Fifty-five patients, 50, and 50 were enrolled, respectively and their baseline characteristics and serological, sialographic, and pathological findings compared. The male:female ratio for IgG4 related sialadenitis was 1:1.2 for primary Sjogren syndrome 1:15.7, and for chronic obstructive submandibular sialadenitis1:0.92. Numbers with enlarged salivary glands were 55, 16, and 50; with xerostomia 26, 48, and 0; with a history of allergy 26, 4, and 6, and with coexisting systemic disease 12, 19, and 0 (p=0.14). Mean (SD) serum IgG4 concentrations were 109.1 (97.9), 4.9. (1.9) g/L, and 5.3 (1.6) g/L, p<0.001 in all cases. Sialography showed enlargement of the gland, dilatation of the duct, and slightly decreased secretory function in IgG4-related disease; obvious sialectasia and decreased secretory function in Sjogren syndrome; and dilatation of Wharton's duct and filling defects in obstructive sialadenitis. Histopathological examination showed lymphoplasmacytic infiltration with storiform fibrosis, lymphoplasmacytic inflammation and lymphoepithelial lesions, and dilatation of the duct with epithelial metaplasia in the three groups, respectively. The number of IgG4-positive plasma cells was 123 (45)/HPF, 8 (3)/HPF, and 5 (4)/HPF, while the IgG4-/IgG-positive cell ratio was 71.7 (13.9)%, 4.6 (2.5)%, 18.9 (19.7)%, respectively (p<0.001). The three conditions have different clinical, radiographic, and pathological features that provide important clues to the differential diagnosis. Serological and histological tests are important, and comprehensive consideration is necessary. PMID- 27866758 TI - The influence of deprivation on malnutrition risk in outpatients with chronic obstructive pulmonary disease (COPD). AB - BACKGROUND & AIMS: The social gradient in chronic obstructive pulmonary disease (COPD) is considerable, but the influence of deprivation on common clinical risk factors such as malnutrition is unclear. This study aimed to explore the relationship between COPD disease-severity, deprivation and malnutrition. METHODS: 424 outpatients with a confirmed diagnosis of COPD were routinely screened for malnutrition risk using the 'Malnutrition Universal Screening Tool' ('MUST') while attending respiratory clinics across two hospitals; a large city hospital (site A) and a smaller community hospital (site B). Deprivation was assessed for each outpatient according to their address (postcode) using the English governments' index of multiple deprivation (IMD) and related to malnutrition risk. Each postcode was attributed to both an IMD score and IMD rank, where a higher IMD score and a lower IMD ranking indicated increased deprivation. RESULTS: Overall prevalence of malnutrition was 22% (95% CI 18-26%; 9% medium risk, 13% high risk). It was significantly higher at site A (28% vs 17%; p = 0.004) where patients were also significantly more likely to reside in areas of more deprivation than those at site B (IMD rank: 15,510 SD 8137 vs 22,877 SD 6827; p < 0.001). COPD disease-severity was positively associated with malnutrition (p < 0.001) whilst a higher rank IMD was negatively associated with malnutrition (p = 0.014). CONCLUSIONS: Deprivation is a significant independent risk factor for malnutrition in outpatients with COPD. Consideration of deprivation is important in the identification of malnutrition and the nutritional management of patients with COPD. PMID- 27866759 TI - Adherence to healthy lifestyle factors and risk of death in men with diabetes mellitus: The Physicians' Health Study. AB - BACKGROUND & AIMS: The relationship between healthy lifestyle factors and mortality in people with type 2 diabetes is unclear. The purpose of this study was to examine whether healthy lifestyle factors are associated with mortality in people with type 2 diabetes. METHODS: We prospectively studied 1163 men with type 2 diabetes from the Physicians' Health Study. Lifestyle factors consisted of currently not smoking, moderate drinking (1-2 drinks/day), vigorous exercise (1+/week), BMI < 25 kg/m2, and being in the top 2 quintiles of the alternate healthy eating index-2010 (AHEI-2010). Multivariate Cox regression models were used to estimate hazard ratios (95% confidence intervals) of mortality. RESULTS: At baseline, average age was 69 years and mean follow up was 9 years. About 22% of study participants had <=1 healthy lifestyle factor, 37% had two, 29% had three, and 12% had four or more healthy lifestyle factors. An inverse relationship was found between the number of lifestyle factors and total mortality. Compared with participants who had <=1 healthy lifestyle factor, the risk of death was 42% (95% CI; 19%-58%) lower for those with two healthy lifestyle factors, 41% (95% CI; 18%-58%) lower for those with three, and 44% (95% CI; 12%-64%) lower for those with 4 or more healthy lifestyle factors. CONCLUSION: Adherence to modifiable healthy lifestyle factors is associated with a lower risk of death among adult men with type 2 diabetes. Our study emphasizes the importance of educating individuals with diabetes to adhere to healthy lifestyle factors. PMID- 27866760 TI - Polyurethane foam impregnated with lignin as a filler for the removal of crude oil from contaminated water. AB - The present study describes the influence of the concentration of lignin when used as a filler in polyurethane foam for crude oil sorption. The foams (lignin 0 20wt%) were characterized by Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), thermogravimetric analysis, contact angle and density. The FTIR analysis confirmed urethane linkage formation, showing that the chemical structure of the polymer was preserved, despite the addition of different lignin concentrations. Thermogravimetric analysis showed that the presence of lignin has altered the onset temperature (Tonset) of the foams, decreasing as the concentration of lignin is increased. The contact angle analysis showed a decrease in the hydrophobicity of the foams with increasing lignin concentration. All modified foams showed an improvement in the oil sorption capacity in a PUF/oil/water system, and the PUF-10 showed an improvement of about 35.5% compared to the PUF-blank. The Langmuir isotherm showed a better fit to the data and predicted a maximum oil adsorption of 28.9gg-1 by the PUF-10. The DeltaG degrees value of -4.4kJmol-1 indicated that crude oil adsorption process by PUF-10 was spontaneous. The results of reuse of the PUF-10 showed that oil removal efficiency remained greater than 95% after five consecutive cycles. PMID- 27866761 TI - Degradation of sulfamethazine using Fe3O4-Mn3O4/reduced graphene oxide hybrid as Fenton-like catalyst. AB - In this paper, Fe3O4-Mn3O4/reduced graphene oxide (RGO) hybrid was synthesized through polyol process and impregnation method and used as heterogeneous Fenton like catalyst for degradation of sulfamethazine (SMT) in aqueous solution. The hybrid catalyst had higher catalytic efficiency compared with Fe3O4-Mn3O4 and Mn3O4 as catalyst for degradation of SMT. The effects of pH value, H2O2 concentration, catalyst dosage, initial SMT concentration and temperature on SMT degradation were investigated. The removal efficiency of SMT was about 98% at following optimal conditions: pH=3, T=35 degrees C, Fe3O4/Mn3O4-RGO composites=0.5g/L, H2O2=6mM. The inhibitor experiments indicated that the main active species was hydroxyl radicals (.OH) on catalyst surface. At last, the possible catalytic mechanism was proposed. PMID- 27866762 TI - Synthesis and characterization of polyacrylic acid- grafted-carboxylic graphene/titanium nanotube composite for the effective removal of enrofloxacin from aqueous solutions: Adsorption and photocatalytic degradation studies. AB - Polyacrylic acid-grafted-carboxylic graphene/titanium nanotube (PAA-g-CGR/TNT) composite was synthesized. It was effectively used as adsorbent as well as photocatalyst. The composite was characterized by FTIR, XRD, SEM, TEM, Surface Area Analyzer, XPS and DRS. The photocatalytic activity of PAA-g-CGR/TNT composite was evaluated on the basis of the degradation of pollutants by using sunlight. The band gap of the prepared photocatalyst was found to be 2.6eV. The removal of the antibiotic enrofloxacin (ENR) was achieved by two step mechanism based on adsorption and photodegradation. The maximum adsorption was observed at pH 5.0. The best fitted kinetic model was found to be pseudo-second-order. The maximum adsorption was observed at 30 degrees C. The maximum adsorption capacity was found to be 13.40mg/g. The kinetics of photodegradation of ENR onto PAA-g CGR/TNT composite follow first-order kinetics and optimum pH was found to be 5.0. The regeneration and reuse of the adsorbent-cum-photocatalyst were also examined upto five cycles. PMID- 27866764 TI - Thermodynamic features of dioxins' adsorption. AB - In this paper, the six more poisonous species among all congeners of dioxin group are taken into account, and the P-T diagram for each of them is developed. Starting from the knowledge of vapour tensions and thermodynamic parameters, the theoretical adsorption isotherms are calculated according to the Langmuir's model. In particular, the Langmuir isotherm parameters (K and wmax) have been validated through the estimation of the adsorption heat (DeltaHads), which varies in the range 20-24kJ/mol, in agreement with literature values. This result will allow to put the thermodynamical basis for a rational design of different process units devoted to dioxins removal. PMID- 27866763 TI - Direct and indirect photodegradation pathways of cytostatic drugs under UV germicidal irradiation: Process kinetics and influences of water matrix species and oxidant dosing. AB - The ever-increasing consumption of various cytostatic drugs (CSDs) has attracted growing public concern in recent years. The photodegradation of 8 CSDs was investigated using a low-pressure UV-254Hg lamp, resulting in fluence-based first order kinetic rate constants in the range of (0.20-6.97)*10-4cm2mJ-1. The influence of water matrix components, including natural dissolved organic matter (DOM), bicarbonate (HCO3-), nitrate (NO3-), chloride (Cl-), and sulfate (SO42-), was investigated. The degradation rates of CSDs decrease in the presence of DOM due to the competition for the UV light, but increase with addition of NO3- due to an indirect production of HO. Further investigation was carried out to evaluate the viability of UV treatment performances using two real water samples, namely treated water from a water treatment plant and secondary effluent from a wastewater treatment plant. The primary photodegradation byproducts of CSDs were identified using LC/MS/MS to investigate the mechanism of direct UV photolysis and indirect NO3--induced and DOM-induced photolysis. The degradation rates of CSDs increase significantly with the addition of H2O2 or S2O82- under UV irradiation, due to the generation of non-selective HO or selective SO4-. As an electrophilic radical, SO4- mainly reacts via electron transfer and selectively attacks certain electron-donating functional groups of CSDs. PMID- 27866766 TI - Age-specific effectiveness following each dose of acellular pertussis vaccine among infants and children in New Zealand. AB - BACKGROUND: Though it is believed the switch from whole cell to acellular pertussis vaccine has contributed to the resurgence of pertussis disease, few studies have evaluated vaccine effectiveness (VE) and duration of protection provided by an acellular vaccine schedule including three primary doses but no toddler-age dose. We assessed this schedule in New Zealand (NZ), a setting with historically high rates of pertussis disease, and low but recently improved immunisation coverage. We further evaluated protection following the preschool age booster dose. METHODS: We performed a nested case-control study using national-level healthcare data. Hospitalised and non-hospitalised pertussis was detected among children 6weeks to 7years of age between January 2006 and December 2013. The NZ National Immunisation Register provided vaccination status for cases and controls. Conditional logistic regression was used to calculate dose-specific VE with duration of immunity examined by stratifying VE into ages aligned with the immunisation schedule. RESULTS: VE against pertussis hospitalisation was 93% (95% confidence interval [CI]: 87, 96) following three doses among infants aged 5 11months who received three compared to zero doses. This protection was sustained through children's fourth birthdays (VE?91%). VE against non-hospitalised pertussis was also sustained after three doses, from 86% (95% CI: 80, 90) among 5 11month olds to 84% (95% CI: 80, 88) among 3-year-olds. Following the first booster dose at 4years of age, the protective VE of 93% (95% CI: 90, 95) among 4 year-olds continued through 7years of age (VE?91%). CONCLUSIONS: We found a high level of protection with no reduction in VE following both the primary course and the first booster dose. These findings support a 3-dose primary course of acellular vaccine with no booster dose until 4years of age. PMID- 27866765 TI - Safety, tolerability, and immunogenicity of a single dose 4-antigen or 3-antigen Staphylococcus aureus vaccine in healthy older adults: Results of a randomised trial. AB - BACKGROUND: The decline in immune function with age is a challenge to vaccine development. Following an initial study in adults aged 18-64years, this study evaluated the safety and immunogenicity of Staphylococcus aureus (S. aureus) 4 antigen (SA4Ag) and 3-antigen (SA3Ag) vaccine in older adults. SA3Ag included capsular polysaccharide serotypes 5 and 8 (CP5 and CP8) conjugated to the nontoxic mutant form of diphtheria toxin (CRM197) and a recombinant version of clumping factor A (ClfA). SA4Ag included these antigens, with the addition of a recombinant manganese transporter C (rP305A or MntC). Both vaccines were unadjuvanted. METHODS: In this double-blind, sponsor-unblinded, placebo controlled, phase 1/2 study, 284 healthy adults (aged 65-85years) were randomised to receive a single dose of one of three formulations of SA4Ag with escalating dose levels of rP305A, SA3Ag, or placebo. Functional immune responses were measured using opsonophagocytic activity (OPA) killing and fibrinogen-binding inhibition (FBI) assays; immunogenicity was also assessed using a competitive Luminex(r) immunoassay (cLIA). T-cell responses were measured in a small subgroup of subjects using intracellular cytokine staining (ICS) assays. RESULTS: The results demonstrated rapid and robust functional immune responses to all antigens in healthy older adults. A high proportion of active vaccine recipients met the pre-defined antibody thresholds for each antigen at Day 29. SA4Ag elicited a dose level response to rP305A with up to a 13-fold rise in cLIA titres at Day 29. Opsonophagocytic activity (OPA) assays showed >50- and >20-fold rises in functional titres using S. aureus strains expressing CP5 and CP8, respectively, at Day 29. T-cell cytokine responses were not substantially above background levels. There were no safety concerns in this study population and no increases in adverse events with higher rP305A dose levels. CONCLUSIONS: Single-dose vaccination of SA4Ag and SA3Ag in healthy adults aged 65-85years safely induced rapid and robust functional immune responses, supporting further development of SA4Ag for the prevention of S. aureus disease in adults up to age 85years. TRIAL REGISTRATION NUMBER: NCT01643941. PMID- 27866767 TI - Minimization of hepatitis B infection among children in Jiangsu, China, 12years after integration of hepatitis B vaccine into the expanded program on immunization. AB - BACKGROUND: China has integrated hepatitis B vaccine into the Expanded Program on Immunization since 2002. We aimed to survey the seroprevalence of and immunity to hepatitis B virus (HBV) in children born from 2002 to 2014 in Jiangsu, China. METHODS: Totally 3442 children (M:F=2072:1370) at the age of 7months to 12years (5.5+/-3.6), from five cities and rural areas across Jiangsu province, were enrolled. Blood samples were measured for HBV markers by ELISA and quantitative microparticle enzyme immunoassay. HBV DNA was tested by real-time PCR and S region was amplified by nested PCR. RESULTS: Twelve (0.35%) children were positive for hepatitis B surface antigen (HBsAg) and 34 (0.99%) were HBsAg negative and positive for antibody against hepatitis B core antigen (anti-HBc). Totally 2542 (73.85%) children had anti-HBs levels ?10mIU/ml and 535 (15.54%) with 2-9.9mIU/ml. All 12 HBsAg-positive children had detectable HBV DNA with a mean level of 6.1+/-1.7logIU/ml (3.3-8.1logIU/ml); 8 were genotype C and 4 were genotype B. No mutation was detected in the a determinant of HBsAg. HBV DNA was not detected in all the 34 children with positive anti-HBc and negative HBsAg. CONCLUSION: HBsAg prevalence among children in Jiangsu born after the introduction of universal vaccination against hepatitis B has significantly decreased. No mutation of S gene is associated with vaccine failure in the cohort of children. PMID- 27866768 TI - Estimating the burden of rubella virus infection and congenital rubella syndrome through a rubella immunity assessment among pregnant women in the Democratic Republic of the Congo: Potential impact on vaccination policy. AB - BACKGROUND: Rubella-containing vaccines (RCV) are not yet part of the Democratic Republic of the Congo's (DRC) vaccination program; however RCV introduction is planned before 2020. Because documentation of DRC's historical burden of rubella virus infection and congenital rubella syndrome (CRS) has been minimal, estimates of the burden of rubella virus infection and of CRS would help inform the country's strategy for RCV introduction. METHODS: A rubella antibody seroprevalence assessment was conducted using serum collected during 2008-2009 from 1605 pregnant women aged 15-46years attending 7 antenatal care sites in 3 of DRC's provinces. Estimates of age- and site-specific rubella antibody seroprevalence, population, and fertility rates were used in catalytic models to estimate the incidence of CRS per 100,000 live births and the number of CRS cases born in 2013 in DRC. RESULTS: Overall 84% (95% CI 82, 86) of the women tested were estimated to be rubella antibody seropositive. The association between age and estimated antibody seroprevalence, adjusting for study site, was not significant (p=0.10). Differences in overall estimated seroprevalence by study site were observed indicating variation by geographical area (p?0.03 for all). Estimated seroprevalence was similar for women declaring residence in urban (84%) versus rural (83%) settings (p=0.67). In 2013 for DRC nationally, the estimated incidence of CRS was 69/100,000 live births (95% CI 0, 186), corresponding to 2886 infants (95% CI 342, 6395) born with CRS. CONCLUSIONS: In the 3 provinces, rubella virus transmission is endemic, and most viral exposure and seroconversion occurs before age 15years. However, approximately 10-20% of the women were susceptible to rubella virus infection and thus at risk for having an infant with CRS. This analysis can guide plans for introduction of RCV in DRC. Per World Health Organization recommendations, introduction of RCV should be accompanied by a campaign targeting all children 9months to 14years of age as well as vaccination of women of child bearing age through routine services. PMID- 27866769 TI - Modular virus-like particles for sublingual vaccination against group A streptococcus. AB - Infection with Group A streptococcus (GAS)-an oropharyngeal pathogen-leads to mortality and morbidity, primarily among developing countries and indigenous populations in developed countries. The development of safe and affordable GAS vaccines is challenging, due to the presence of various unique GAS serotypes, antigenic variation within the same serotype, and potential auto-immune responses. In the present study, we evaluated the use of a sublingual freeze dried (FD) formulation based on immunogenic modular virus-like particles (VLPs) carrying the J8 peptide (J8-VLPs) as a potential safe and cost-effective GAS vaccine for inducing protective systemic and mucosal immunity. By using in vivo tracing of the sublingual J8-VLPs, we visualized the draining of J8-VLPs into the submandibular lymph nodes, in parallel with its rapid absorption into the systemic circulation, which support the induction of effective immune responses in both systemic and mucosal compartments. The sublingual administration of J8 VLPs resulted in a high serum IgG antibody level, with a good balance of Th1 and Th2 immune responses. Of note, sublingual vaccination with J8-VLPs elicited high levels of IgA antibody in the saliva. The co-administration of mucosal adjuvant cholera toxin (CT) further enhanced the increase in salivary IgA antibody levels induced by the J8-VLPs formulation. Moreover, the levels of salivary IgA and serum IgG observed following the administration of the CT-adjuvanted FD formulation of J8-VLPs (FD-J8-VLPs) and non-FD formulation of J8-VLPs were comparable. In fact, the saliva isolated from mice immunized with J8-VLPs and FD J8-VLPs with CT demonstrated opsonizing activity against GAS in vitro. Thus, we observed that the sublingually delivered FD formulation of microbially produced modular VLPs could prevent and control GAS diseases in endemic areas in a cost effective manner. PMID- 27866771 TI - The changing face of vaccines and vaccination. PMID- 27866770 TI - Tetanus vaccination is associated with differential DNA-methylation: Reduces the risk of asthma in adolescence. AB - BACKGROUND: Vaccinations have been suggested to be associated with increased risk of allergic diseases. Tetanus vaccination is one of the most frequently administered vaccines as a part of wound management and was also found to be associated with increased serum IgE levels. We hypothesized that the vaccination modifies the risk of allergic diseases through epigenetic changes such as DNA methylation. METHOD: Data on tetanus vaccination between 10 and 18years of age was collected from a birth cohort established on the Isle of Wight UK in 1989. DNA methylation data were collected from individuals at different ages (at birth [n=30], age 10 [n=34], age 18 [n=245] and during pregnancy [n=121]) using the Illumina Infinium HumanMethylation450K array. Firstly, we performed an epigenome wide screening to identify cytosine-phosphate-guanine sites (CpGs) associated with tetanus vaccination in 18-year-olds. Secondly, we tested their association with asthma, allergic sensitization, eczema, serum IgE and pulmonary lung function (FVC, FEV1, FEV1/FVC, and FEF25-75%). We then described changes in the methylation of the selected CpG sites over age, and by vaccination status. RESULTS: Tetanus vaccination was found to be associated with decreased methylation of cg14472551 (p value 0.5*10-5, FDR-adjusted p value 2.1*10-4) and increased methylation of cg01669161 (p value 0.0007, FDR-adjusted p value 0.014). Both CpGs, in turn, were associated with decreased risk of asthma at 18years of age. Cg14472551 is located in an intron of KIAA1549L, whose protein binds to a B cell commitment transcription factor; cg01669161 is located between an antisense regulator of the proteasome assembly chaperone PSMG3, and TFAMP1, a pseudogene. Increased methylation of cg01669161 was also associated with decreased serum IgE levels. CONCLUSION: DNA methylation changes following tetanus vaccination may offer a novel prospect to explain a differential occurrence of asthma in adolescence. PMID- 27866773 TI - Influenza H7N9 LAH-HBc virus-like particle vaccine with adjuvant protects mice against homologous and heterologous influenza viruses. AB - The long alpha-helix (LAH) region located in influenza virus hemagglutinin (HA) shows conservation among different influenza A strains, which could be used as a candidate target of influenza vaccines. Moreover, the hepatitis B virus core protein (HBc) is a carrier for heterologous epitopes in eliciting effective immune responses. We inserted the LAH region of H7N9 influenza virus into the HBc and prepared the LAH-HBc protein, which were capable of self-assembly into virus like particles (VLP), by using E. coli expression system. Intranasal immunization of the LAH-HBc VLP in combination with chitosan adjuvant or CTB* adjuvant in mice could induce both humoral and cellular immune responses effectively and provide complete protection against lethal challenge of homologous H7N9 virus or heterologous H3N2 virus, as well as partial protection against lethal challenge of heterologous H1N1 virus. These results provide a proof of concept for LAH-HBc VLP vaccine that would be fast and easy to be produced and might be an ideal candidate as a rapid-response tool against a future influenza pandemic. PMID- 27866774 TI - Complement-independent dengue virus type 1 infection-enhancing antibody reduces complement-dependent and -independent neutralizing antibody activity. AB - Dengue fever and dengue hemorrhagic fever are globally important mosquito transmitted viral diseases. However, the only licensed vaccine is not highly protective. Viremia is related to disease severity in infected humans, and it is thought to be reduced by neutralizing antibodies but increased by infection enhancing antibodies. We established an assay system to measure the balance between neutralizing and enhancing antibodies and found that most dengue-immune individuals in endemic areas carry complement-independent enhancing antibodies (CiEAb). Studying CiEAb is important for dengue vaccine development because the enhancing activity of CiEAb does not decrease in the presence of complement, which can reduce the enhancing activity of other antibodies in vitro. Here, we investigated the effects of CiEAb on the activity of neutralizing antibodies (mainly, complement-dependent neutralizing antibodies; CdNAb) using cocktails of mouse monoclonal antibodies (MAbs) against dengue virus type 1 (DENV-1). These cocktails included MAbs with enhancing activity only (represented by D1-V-3H12 [3H12]) or neutralizing activity only (represented by D1-IV-7F4 [7F4]). Because 3H12, an IgG1 subclass antibody, is complement-independent and cross-reacted with all dengue serotypes, it is a suitable model of CiEAb. An approximately equal amount of 3H12 abolished the neutralizing activity of 7F4. The complement dependent neutralizing activities of the IgG2a and IgG2b variants of 7F4 were also completely inhibited by ?3-fold concentrations of the IgG1 variant. The complement-dependent antibody activities of other anti-DENV-1 MAbs and those of MAbs directed against other serotypes were inhibited 50% by 3H12 at various mixing ratios, ranging from one-hundredth to 10-fold. The complement-dependent neutralizing activities of dengue-immune mouse ascites fluids were also effectively inhibited by 3H12. This suggests that concomitantly induced CiEAb exerts an unwanted effect on the protective capacity of a vaccine. Thus, the effective inhibition of the neutralizing activity of CdNAb by CiEAb has implications for dengue pathogenesis and vaccine development. PMID- 27866775 TI - The case for verbal autopsy in health systems strengthening. PMID- 27866772 TI - H1:IC31 vaccination is safe and induces long-lived TNF-alpha+IL-2+CD4 T cell responses in M. tuberculosis infected and uninfected adolescents: A randomized trial. AB - BACKGROUND: Control of the tuberculosis epidemic requires a novel vaccine that is effective in preventing tuberculosis in adolescents, a key target population for vaccination against TB. METHODS: Healthy adolescents, stratified by M. tuberculosis-infection status, were enrolled into this observer-blinded phase II clinical trial of the protein-subunit vaccine candidate, H1:IC31, comprising a fusion protein (H1) of Ag85B and ESAT-6, formulated with the IC31 adjuvant. Local and systemic adverse events and induced T cell responses were measured after one or two administrations of either 15MUg or 50MUg of the H1 protein. RESULTS: Two hundred and forty participants were recruited and followed up for 224days. No notable safety events were observed regardless of H1 dose or vaccination schedule. H1:IC31 vaccination induced antigen-specific CD4 T cells, co-expressing IFN-gamma, TNF-alpha and/or IL-2. H1:IC31 vaccination of M.tb-uninfected individuals preferentially drove the emergence of Ag85B and ESAT-6 specific TNF alpha+IL-2+CD4 T cells, while H1:IC31 vaccination of M.tb-infected individuals resulted in the expansion of Ag85B-specific but not ESAT-6-specific TNF-alpha+IL 2+CD4 T cells. CONCLUSIONS: H1:IC31 was safe and immunogenic in uninfected and M.tb-infected adolescents. Two administrations of the 15MUg H1:IC31 dose induced the greatest magnitude immune response, and was considered optimal (South African National Clinical Trials Register, DoH-27-0612-3947; Pan African Clinical Trial Registry, PACTR201403000464306). PMID- 27866776 TI - Activation of alpha7 nicotinic acetylcholine receptors facilitates long-term potentiation at the hippocampal-prefrontal cortex synapses in vivo. AB - Activation of alpha7 nAChRs has been shown to improve performance in a variety of nonclinical assays of cognitive function. The role of alpha7 nAChRs in cognitive processes is likely related to their role in modulating synaptic transmission and plasticity that have been reported in cell culture, brain slices, and intact animals. Here we report the effects of the alpha7 nAChR agonist FRM-17874 on synaptic plasticity within the hippocampal-medial prefrontal cortex pathway. Long term potentiation (LTP) was generated by tetanic stimulation of CA1/subiculum region in urethane anesthetized male rats. Compared to saline controls, FRM-17874 significantly increased LTP (F(3,16)=10.39, p=0.0005) at doses of 0.3 and 1.0mg/kg but not with 3.0mg/kg, injected subcutaneously. Considering the physiological role of hippocampal LTP in mnemonic functions and memory formation, and the role of the hippocampal - prefrontal cortex pathway in working memory, the described neurophysiological effects could be a contributing mechanism underlying the cognitive effects of alpha7 nAChRs activation. PMID- 27866779 TI - Use of allogeneic tissue to treat infective valvular disease: Has everything been said? PMID- 27866778 TI - Historical Perspectives of The American Association for Thoracic Surgery: Aldo Castaneda. PMID- 27866780 TI - More than vital: Who bears the burden? PMID- 27866782 TI - No longer novel: The association of a dilated coronary sinus with left ventricular inflow obstruction. PMID- 27866781 TI - Endovascular repair of thoracoabdominal aortic aneurysms using fenestrated and branched endografts. AB - PURPOSE: The study purpose was to review the outcomes of patients treated for thoracoabdominal aortic aneurysms using endovascular repair with fenestrated and branched stent-grafts in a single center. METHODS: We reviewed the clinical data of the first 185 consecutive patients (134 male; mean age, 75 +/- 7 years) treated for thoracoabdominal aortic aneurysms using fenestrated and branched stent-grafts. Graft design evolved from physician-modified endografts (2007-2013) to off-the-shelf or patient-specific manufactured devices in patients enrolled in a prospective physician-sponsored investigational device exemption protocol (NCT 1937949 and 2089607). Outcomes were reported for extent IV and extent I to III thoracoabdominal aortic aneurysms, including 30-day mortality, major adverse events, patient survival, primary target vessel patency, and reintervention. RESULTS: A total of 112 patients (60%) were treated for extent IV thoracoabdominal aortic aneurysms, and 73 patients (40%) were treated for extent I to III thoracoabdominal aortic aneurysms. Demographics and cardiovascular risk factors were similar in both groups. A total of 687 renal-mesenteric arteries (3.7 vessels/patient) were targeted by 540 fenestrations and 147 directional branches. Technical success was 94%. Thirty-day mortality was 4.3%, including a mortality of 1.8% for extent IV and 8.2% for extent I to III thoracoabdominal aortic aneurysms (P = .03). Mortality decreased in the second half of clinical experience from 7.5% to 1.2%, including a decrease of 3.3% to 0% for extent IV thoracoabdominal aortic aneurysms (P = .12) and 15.6% to 2.4% for extent I to III thoracoabdominal aortic aneurysms (P = .04). Early major adverse events occurred in 36 patients (32%) with extent IV thoracoabdominal aortic aneurysms and 26 patients (36%) with extent I to III thoracoabdominal aortic aneurysms, including spinal cord injury in 2 patients (1.8%) and 4 patients (3.2%), respectively. Mean follow-up was 21 +/- 20 months. At 5 years, patient survival (56% and 59%, P = .37) and freedom from any reintervention (50% and 53%, P = .26) were similar in those with extent IV and extent I to III thoracoabdominal aortic aneurysms. Primary patency was 93% at 5 years. CONCLUSIONS: Endovascular repair of thoracoabdominal aortic aneurysms can be performed with high technical success and low mortality and morbidity. However, the need for secondary reinterventions and continued graft surveillance represents major limitations compared with results of conventional open surgical repair. Long-term follow-up is needed before the widespread use of these techniques in younger or lower-risk patients. PMID- 27866784 TI - Endothelial dysfunction or anything else? PMID- 27866783 TI - Characterizing cardiac arrest in children undergoing cardiac surgery: A single center study. AB - OBJECTIVES: To characterize cardiac arrest in children undergoing cardiac surgery using single-center data from the Society of Thoracic Surgeons and Pediatric Advanced Life Support Utstein-Style Guidelines. METHODS: Patients aged 18 years or less having a cardiac arrest for 1 minute or more during the same hospital stay as heart operation qualified for inclusion (2002-2014). Patients having a cardiac arrest both before or after heart operation were included. Heart operations were classified on the basis of the first cardiovascular operation of each hospital admission (the index operation). The primary outcome was survival to hospital discharge. RESULTS: A total of 3437 children undergoing at least 1 heart operation were included. Overall rate of cardiac arrest among these patients was 4.5% (n = 154) with survival to hospital discharge of 84 patients (66.6%). Presurgery cardiac arrest was noted among 28 patients, with survival of 21 patients (75%). Among the 126 patients with postsurgery cardiac arrest, survival was noted among 84 patients (66.6%). Regardless of surgical case complexity, the median days between heart operation and cardiac arrest, duration of cardiac arrest, and survival after cardiac arrest were similar. The independent risk factors associated with improved chances of survival included shorter duration of cardiac arrest (odds ratio, 1.12; 95% confidence interval, 1.05-1.20; P = .01) and use of defibrillator (odds ratio, 4.51; 95% confidence interval, 1.08-18.87; P = .03). CONCLUSIONS: This single-center study demonstrates that characterizing cardiac arrest in children undergoing cardiac surgery using definitions from 2 societies helps to increase data granularity and understand the relationship between cardiac arrest and heart operation in a better way. PMID- 27866785 TI - Cardiac cellular reprogramming with transient expression vectors: Less is more. PMID- 27866786 TI - Why compromise with an elderly patient? PMID- 27866787 TI - Cavopulmonary assist: Bridge to Fontan repair of single-ventricle circulation. PMID- 27866788 TI - String no ring. PMID- 27866789 TI - First case of a sutureless Perceval valve delayed proximal migration. PMID- 27866790 TI - Mitral repair in children with connective tissue disorders: On the edge, over the edge, or edge-to-edge? PMID- 27866791 TI - Mesenchymal stem cells: The roles and functions in cutaneous wound healing and tumor growth. AB - Mesenchymal stem cells (MSCs) are bone marrow-derived non-hematopoietic progenitor cells. MSCs are able to differentiate into various types of cells, including chondrocytes, adipocytes, osteocytes, myocytes, endothelial cells, and keratinocytes. There is increasing evidence that MSCs might be located external to the vasculature, and that perivascular cells in the skin, generally called as "pericytes", might include MSCs. It has been suggested that MSCs localized around blood vessels might migrate into wounds and contribute to the restoration of injured tissues. Many studies have demonstrated that intravenous or intradermal administration of MSCs enhanced cutaneous wound healing, such as acute incisional and excisional wounds, diabetic ulcers, radiation ulcers, and burns in animals and humans. Several mechanisms of the acceleration of wound healing by MSCs have been identified, including the enhancement of angiogenesis by secretion of pro angiogenic factors and the differentiation into endothelial cells and/or pericytes, M2 macrophages polarization, the recruitment of endogenous stem/progenitor cells, extracellular matrix production and remodeling, and immunosuppressive effects. Since the microenvironments of wounds and/or injured tissues are similar to those of tumors, MSCs also play similar roles in malignant tumors, such as the enhancement of angiogenesis, M2 macrophages polarization, and immunosuppressive effects. In addition, the mechanisms of homing of MSCs might have a commonality in the pathogenesis of wound healing and tumors. Thus, the regulating factors of MSCs, including MFG-E8, could be a therapeutic target and lead to the establishment of new therapeutic approaches for both intractable wound healing and tumors. PMID- 27866792 TI - 210Po secretion from sweat glands. AB - The results of the research indicated that the 210Po activity concentration in sweat samples was between 0.22 +/- 0.03 to 2.10 +/- 0.15 mBq.g-1 d.w. The obtained results of the studies showed that smoking and eating fish led to higher activity concentrations of 210Po in sweat in comparison to the control group. Statistical analysis of 210Po activity concentrations in sweat samples showed significant differences between control, smoking, fish eating and age groups, while no significant differences was found for 210Po between volunteers as far as gender is concerned. PMID- 27866794 TI - Treatment of Symptomatic Acromioclavicular Joint Instability by a Docking Technique: Clinical Indications, Surgical Technique, and Outcomes. AB - PURPOSE: To report functional and objective outcomes resulting from surgical treatment of patients with symptomatic type III through V acromioclavicular (AC) joint injury by use of a modification of the anatomic AC joint reconstruction developed by Carofino and Mazzocca. METHODS: The study included all patients treated in 2009-2014 who presented with a history of direct trauma to the shoulder; deformity of the AC joint on clinical examination; radiographic findings that would classify the injury as a Rockwood type III, IV, or V injury; AC joint instability on clinical examination; and self-reported deficits of arm function on initial presentation, in whom a comprehensive and directed nonoperative program failed. The surgical procedure used an allograft with reinforcing internal sutures passed around the coracoid and through anatomically positioned clavicular holes for the coracoclavicular (CC) ligaments, used a docking technique for reconstruction of the superior AC ligaments, and included repair of the native AC ligaments. Outcomes were reported for patients with a minimum follow-up period of 1.5 years. Outcome measurements included dynamic static stability evaluation and Disabilities of the Arm, Shoulder and Hand (DASH) scores. RESULTS: The study included 15 patients with 15 affected shoulders. The postsurgical follow-up period averaged 3 years (range, 1.5-5 years). Postoperatively, one patient showed loss of reduction after a fall. All others showed 2-dimensional radiographic stability and 3-dimensional dynamic clinical stability. Static radiographic measurement of the CC distance at discharge averaged 0.93 cm compared with 2.7 cm on initial examination (P < .0001). Patient reported outcomes at an average of 3 years' follow-up showed a DASH score of 13 compared with a preoperative DASH score of 51 (P < .0001). CONCLUSIONS: This study confirms that anatomic CC ligament reconstruction and repair or reconstruction of the AC ligaments help restore arm function as shown by the patient-specific and clinical outcome metrics. These results were achieved by correction of the deformity, which in turn allowed for the obtainment of static and dynamic stability. LEVEL OF EVIDENCE: Level IV. PMID- 27866793 TI - Tracking the dissemination of a culturally targeted brochure to promote awareness of hereditary breast and ovarian cancer among Black women. AB - OBJECTIVE: Black women have a higher rate of BRCA1 and BRCA2 (BRCA) mutations, compared with other populations, that increases their risk for hereditary breast and ovarian cancer (HBOC). However, Black women are less likely to know about HBOC and genetic testing. Based on a request from a community advisory panel of breast cancer survivors, community leaders and healthcare providers in the Black community, our team developed a culturally targeted educational brochure to promote awareness of HBOC among Black women. METHODS: To reach the target population we utilized a passive dissemination strategy. Using Diffusion of Innovations (DOI) as a framework, we traced dissemination of the brochure over a five year period using self-addressed postcards contained inside the brochure that included several open-ended questions about the utility of the brochure, and a field for written comments. Closed-ended responses were analyzed using descriptive statistics and thematic analysis was conducted on the open-ended responses. RESULTS: DOI captured the proliferation of the brochure among Black women across the US. PRACTICE IMPLICATIONS: The use of passive dissemination strategies among pre-existing social networks proved to be a useful and sustainable method for increasing knowledge of HBOC among Black women. PMID- 27866795 TI - Midterm Outcomes After Arthroscopic Anteroinferior Capsular Release for the Treatment of Idiophatic Adhesive Capsulitis. AB - PURPOSE: The purpose of this study is to report the early and midterm functional outcomes and complications of a consecutive series of patients with primary adhesive capsulitis who were treated with isolated anteroinferior arthroscopic capsular release after they did not respond to conservative treatment. METHODS: Thirty-two consecutive patients with idiopathic adhesive capsulitis who did not respond to conservative physiotherapy were included in the study. Arthroscopic anteroinferior capsular release was performed in all cases. The primary outcome was improvement in range of motion in the short- and midterm follow-up. We also evaluated pain relief with the visual analog scale, functional outcomes with the Constant-Murley score, and we registered postoperative complications. RESULTS: The mean age was 49.6 years (range, 33-68 years) and the mean follow-up was 63 months (range, 18-84). Overall, there was significant improvement in the Constant Murley score from 42.4 to 86 points (P < .001). The visual analog scale decreased by approximately 6.3 points compared with the preoperative value (P < .001). All parameters improved significantly the first 6 months and then remained stable until the end of follow-up (P < .001). There was an additional minor improvement in both parameters between the sixth month and the final follow-up; however, this improvement was less than in the first 6 months and it was not statistically significant. CONCLUSIONS: In patients who don't respond to conservative treatment for primary adhesive capsulitis, isolated anteroinferior capsular release provides a reliable improvement in pain and range of motion that is maintained in the mid-term follow-up. LEVEL OF EVIDENCE: Level IV, therapeutic, case series study. PMID- 27866796 TI - Interplay between Hippocampal Sharp-Wave-Ripple Events and Vicarious Trial and Error Behaviors in Decision Making. AB - Current theories posit that memories encoded during experiences are subsequently consolidated into longer-term storage. Hippocampal sharp-wave-ripple (SWR) events have been linked to this consolidation process during sleep, but SWRs also occur during awake immobility, where their role remains unclear. We report that awake SWR rates at the reward site are inversely related to the prevalence of vicarious trial and error (VTE) behaviors, thought to be involved in deliberation processes. SWR rates were diminished immediately after VTE behaviors and an increase in the rate of SWR events at the reward site predicted a decrease in subsequent VTE behaviors at the choice point. Furthermore, SWR disruptions increased VTE behaviors. These results suggest an inverse relationship between SWRs and VTE behaviors and suggest that awake SWRs and associated planning and memory consolidation mechanisms are engaged specifically in the context of higher levels of behavioral certainty. PMID- 27866798 TI - Long-Distance Descending Spinal Neurons Ensure Quadrupedal Locomotor Stability. AB - Locomotion is an essential animal behavior used for translocation. The spinal cord acts as key executing center, but how it coordinates many body parts located across distance remains poorly understood. Here we employed mouse genetic and viral approaches to reveal organizational principles of long-projecting spinal circuits and their role in quadrupedal locomotion. Using neurotransmitter identity, developmental origin, and projection patterns as criteria, we uncover that spinal segments controlling forelimbs and hindlimbs are bidirectionally connected by symmetrically organized direct synaptic pathways that encompass multiple genetically tractable neuronal subpopulations. We demonstrate that selective ablation of descending spinal neurons linking cervical to lumbar segments impairs coherent locomotion, by reducing postural stability and speed during exploratory locomotion, as well as perturbing interlimb coordination during reinforced high-speed stepping. Together, our results implicate a highly organized long-distance projection system of spinal origin in the control of postural body stabilization and reliability during quadrupedal locomotion. PMID- 27866797 TI - The Impact of Structural Heterogeneity on Excitation-Inhibition Balance in Cortical Networks. AB - Models of cortical dynamics often assume a homogeneous connectivity structure. However, we show that heterogeneous input connectivity can prevent the dynamic balance between excitation and inhibition, a hallmark of cortical dynamics, and yield unrealistically sparse and temporally regular firing. Anatomically based estimates of the connectivity of layer 4 (L4) rat barrel cortex and numerical simulations of this circuit indicate that the local network possesses substantial heterogeneity in input connectivity, sufficient to disrupt excitation-inhibition balance. We show that homeostatic plasticity in inhibitory synapses can align the functional connectivity to compensate for structural heterogeneity. Alternatively, spike-frequency adaptation can give rise to a novel state in which local firing rates adjust dynamically so that adaptation currents and synaptic inputs are balanced. This theory is supported by simulations of L4 barrel cortex during spontaneous and stimulus-evoked conditions. Our study shows how synaptic and cellular mechanisms yield fluctuation-driven dynamics despite structural heterogeneity in cortical circuits. PMID- 27866799 TI - Inhibitory Control in the Cortico-Basal Ganglia-Thalamocortical Loop: Complex Regulation and Interplay with Memory and Decision Processes. AB - We developed a circuit model of spiking neurons that includes multiple pathways in the basal ganglia (BG) and is endowed with feedback mechanisms at three levels: cortical microcircuit, corticothalamic loop, and cortico-BG thalamocortical system. We focused on executive control in a stop signal task, which is known to depend on BG across species. The model reproduces a range of experimental observations and shows that the newly discovered feedback projection from external globus pallidus to striatum is crucial for inhibitory control. Moreover, stopping process is enhanced by the cortico-subcortical reverberatory dynamics underlying persistent activity, establishing interdependence between working memory and inhibitory control. Surprisingly, the stop signal reaction time (SSRT) can be adjusted by weights of certain connections but is insensitive to other connections in this complex circuit, suggesting novel circuit-based intervention for inhibitory control deficits associated with mental illness. Our model provides a unified framework for inhibitory control, decision making, and working memory. PMID- 27866801 TI - Microalgal post-treatment of anaerobically digested agro-industrial wastes for nutrient removal and lipids production. AB - The aim of this study was to investigate the effectiveness of cultivating Parachlorella kessleri and Acutodesmus obliquus, in anaerobic digestion effluent (ADE) derived from the co-digestion of end-of-life dairy products with mixtures of agro-industrial wastes. To this end, their performance under sterile and non sterile conditions and different ADE loadings was evaluated, in terms of biomass and lipid production, nutrient removal efficiency and vitality of the photosynthetic apparatus. 10% (v/v) ADE loading inhibited growth over 9-12days of cultivation, however biomass yields of 1.1 and 1gL-1, 22.7% and 19.5% (w/w) fatty acids concentration, as well as NH3-N assimilation of 49.7mgL-1 and 32.3mgL-1 and TP removal of 84.2% and 84% were recorded for P. kessleri and A. obliquus, respectively. Among all the ADE-based treatments tested, P. kessleri outperformed A. obliquus, with no differences observed between sterilized and non-sterilized ADE. PMID- 27866800 TI - Neural Architecture of Hunger-Dependent Multisensory Decision Making in C. elegans. AB - Little is known about how animals integrate multiple sensory inputs in natural environments to balance avoidance of danger with approach to things of value. Furthermore, the mechanistic link between internal physiological state and threat reward decision making remains poorly understood. Here we confronted C. elegans worms with the decision whether to cross a hyperosmotic barrier presenting the threat of desiccation to reach a source of food odor. We identified a specific interneuron that controls this decision via top-down extrasynaptic aminergic potentiation of the primary osmosensory neurons to increase their sensitivity to the barrier. We also establish that food deprivation increases the worm's willingness to cross the dangerous barrier by suppressing this pathway. These studies reveal a potentially general neural circuit architecture for internal state control of threat-reward decision making. PMID- 27866802 TI - Effective degradation of aflatoxin B1 using a novel thermophilic microbial consortium TADC7. AB - We constructed a novel thermophilic microbial consortium, TADC7, with stable and efficient aflatoxin B1 (AFB1) degradation activity. The microbial consortium degraded more than 95% of the toxin within 72h when cultured with AFB1, and the optimum temperature was 55-60 degrees C. TADC7 tolerated high doses of AFB1, with no inhibitory effects up to 5000MUgL-1 AFB1; moreover, the degradation kinetics fit well with the Monod model. The proteins or enzymes in the TADC7 cell-free supernatant played a major role in AFB1 degradation. AFB1 degradation by the cell free supernatant was stable up to 90 degrees C, with an optimal pH of 8-10. We performed 16S rRNA sequencing to determine TADC7 community structure dynamics; the results indicated that Geobacillus and Tepidimicrobium played major roles in AFB1 degradation. PMID- 27866803 TI - Effect of hydrothermal pretreatment on Miscanthus anaerobic digestion. AB - Miscanthus is a promising source of bioenergy with high lignocellulose content. This paper studied the effect of hydrothermal pretreatment on Miscanthus biogas production. Different pretreatment temperature from 125 to 200 degrees C was tested. After pretreatment, hemicellulose was partially removed and this led to a change in cellulose accessibility. Enzymatic hydrolysis was used to examine the digestibility of different samples. There was no obvious enhancement in low temperature (125 and 150 degrees C) conditions. According to the results, 200 degrees C hydrothermal pretreatment was the optimal condition saving 50% on the digestion time and increasing glucose production 13.2 times compared with the raw material. Although the cellulose crystallinity increased after the pretreatment, its effect on biogas production and enzymatic hydrolysis was limited. PMID- 27866804 TI - Evaluation of ultrasound assisted potassium permanganate pre-treatment of spent coffee waste. AB - In the present study, novel pre-treatment for spent coffee waste (SCW) has been proposed which utilises the superior oxidising capacity of alkaline KMnO4 assisted by ultra-sonication. The pre-treatment was conducted for different exposure times (10, 20, 30 and 40min) using different concentrations of KMnO4 (1, 2, 3, 4, 5%w/v) at room temperature with solid/liquid ratio of 1:10. Pretreating SCW with 4% KMnO4 and exposing it to ultrasound for 20min resulted in 98% cellulose recovery and a maximum lignin removal of 46%. 1.7 fold increase in reducing sugar yield was obtained after enzymatic hydrolysis of KMnO4 pretreated SCW as compared to raw. SEM, XRD and FTIR analysis of the pretreated SCW revealed the various effects of pretreatment. Thermal behaviour of the pretreated substrate against the native biomass was also studied using DSC. Ultrasound assisted potassium permanganate oxidation was found to be an effective pretreatment for SCW, and can be a used as a potential feedstock pretreatment strategy for bioethanol production. PMID- 27866805 TI - Detergent assisted ultrasonication aided in situ transesterification for biodiesel production from oleaginous yeast wet biomass. AB - In situ transesterification of oleaginous yeast wet biomass for fatty acid methyl esters (FAMEs) production using acid catalyst, methanol with or without N-Lauroyl sarcosine (N-LS) treatment was performed. The maximum FAMEs yield obtained with or without N-LS treatment in 24h reaction time was 96.1+/-1.9 and 71+/-1.4% w/w, respectively. The N-LS treatment of biomass followed by with or without ultrasonication revealed maximum FAMEs yield of 94.3+/-1.9% and 82.9+/-1.8% w/w using methanol to lipid molar ratio 360:1 and catalyst concentration 360mM (64MUL H2SO4/g lipid) within 5 and 25min reaction time, respectively. The FAMEs composition obtained in in situ transesterification was similar to that obtained with conventional two step lipid extraction and transesterification process. Biodiesel fuel properties (density, kinematic viscosity, cetane number and total glycerol) were in accordance with international standard (ASTM D6751), which suggests the suitability of biodiesel as a fuel. PMID- 27866806 TI - Enhanced nutrient removal and mechanisms study in benthic fauna added surface flow constructed wetlands: The role of Tubifex tubifex. AB - This study designed a combined benthic fauna-T. orientalis-substrate-microbes surface-flow constructed wetlands (SFCWs) through the addition of T. tubifex. Results showed that, the removal efficiencies of nitrogen and phosphorus in the tested SFCWs achieved 81.14+/-4.16% and 70.49+/-7.60%, which were 22.27% and 27.35% higher than that without T. tubifex. Lower nitrate (2.11+/-0.79mg/L) and ammonium (0.75+/-0.64mg/L) were also observed in the tested SFCWs, which were 3.46mg/L and 0.52mg/L lower than that without T. tubifex. Microbial study confirmed the increased denitrifiers with T. tubifex. The lower nitrogen in effluent was also attributed to higher contents of nitrogen storage in sediment and T. orientalis due to the bioturbation of T. tubifex. Furthermore, with T. tubifex, higher proportions of particulate (22.66+/-3.96%) and colloidal phosphorus (20.57+/-3.39%) observed promoted phosphorus settlement and further absorption by T. orientalis. The outcomes of this study provides an ecological and economical strategy for improving the performance of SFCWs. PMID- 27866809 TI - Corrigendum to "High abundance of circulating megakaryocytic cells in chronic myeloid leukemia in Indian patients. Revisiting George Minot to re-interpret megakaryocytic maturation" [Blood Cell Mol. Dis. 60 (2016) 28-32]. PMID- 27866807 TI - Genome-wide analysis of the nucleus accumbens identifies DNA methylation signals differentiating low/binge from heavy alcohol drinking. AB - Alcohol-use disorders encompass a range of drinking levels and behaviors, including low, binge, and heavy drinking. In this regard, investigating the neural state of individuals who chronically self-administer lower doses of alcohol may provide insight into mechanisms that prevent the escalation of alcohol use. DNA methylation is one of the epigenetic mechanisms that stabilizes adaptations in gene expression and has been associated with alcohol use. Thus, we investigated DNA methylation, gene expression, and the predicted neural effects in the nucleus accumbens core (NAcc) of male rhesus macaques categorized as "low" or "binge" drinkers, compared to "alcohol-naive" and "heavy" drinkers based on drinking patterns during a 12-month alcohol self-administration protocol. Using genome-wide CpG-rich region enrichment and bisulfite sequencing, the methylation levels of 2.6 million CpGs were compared between alcohol-naive (AN), low/binge (L/BD), and heavy/very heavy (H/VHD) drinking subjects (n = 24). Through regional clustering analysis, we identified nine significant differential methylation regions (DMRs) that specifically distinguished ANs and L/BDs, and then compared those DMRs among H/VHDs. The DMRs mapped to genes encoding ion channels, receptors, cell adhesion molecules, and cAMP, NF-kappabeta and Wnt signaling pathway proteins. Two of the DMRs, linked to PDE10A and PKD2L2, were also differentially methylated in H/VHDs, suggesting an alcohol-dose independent effect. However, two other DMRs, linked to the CCBE1 and FZD5 genes, had L/BD methylation levels that significantly differed from both ANs and H/VHDs. The remaining five DMRs also differentiated L/BDs and ANs. However, H/VHDs methylation levels were not distinguishable from either of the two groups. Functional validation of two DMRs, linked to FZD5 and PDE10A, support their role in regulating gene expression and exon usage, respectively. In summary, the findings demonstrate that L/BD is associated with unique DNA methylation signatures in the primate NAcc, and that the methylation signatures identify synaptic genes that may play a role in preventing the escalation of alcohol use. PMID- 27866808 TI - Combined beta-glucosylceramide and ambroxol hydrochloride in patients with Gaucher related Parkinson disease: From clinical observations to drug development. AB - Both patients with non-neuronopathic Gaucher disease (GD) and heterozygous GBA mutation carrier are at increased risk for Parkinson disease (PD). The risk for PD in these groups does not linearly increase with glucosylceramide (GC) accumulation or with acid beta-glucocerebrosidase (GCase) activity. This observation, together with other clinical systemic observations raises the possibility that extra-cellular GC actually has beneficial, anti-inflammatory, properties. Based on this hypothesis, we suggest here that the administration of supplementary oral GC to GBA carriers at risk for PD may slow inflammatory-driven secondary neuronal death. Such a treatment may act synergistically in GBA carriers once given in combination with an agent that prevent the primary pathologic process that leads to cell death. Ambroxol hydrochloride, a pharmacological chaperone, which reduces endoplasmic reticulum (ER) stress induced by accumulation of mutant misfolded GCase could serve as such an agent. The efficacy of this combined therapy, derived from clinical observations, in vivo and in vitro studies, should be evaluated in clinical trials. PMID- 27866810 TI - Histological characterisation of visceral changes in a patient with type 2 Gaucher disease treated with enzyme replacement therapy. AB - Gaucher disease is a lysosomal storage disease caused by deficiency of glucocerebrosidase and accumulation of glucocerebroside. Three major sub-types have been described, type 2 is an acute neurological form that exhibits serious general symptoms and poor prognosis, compared with the other types. This case was a girl diagnosed with type 2 Gaucher disease at 12months of age who presented with poor weight gain from infancy, stridor, hypertonia, hepatosplenomegaly, trismus and an eye movement disorder. Enzyme replacement therapy (ERT) was administered, but she had frequent myoclonus and developmental regression. She needed artificial ventilation because of respiratory failure. She died at 11years of age. An autopsy demonstrated infiltrating CD68-positive large cells containing abundant lipids in alveoli, while in the liver, kidney and bone marrow CD68 positive cells were small and round. In the bone marrow, myelodysplastic changes were present without Gaucher cells. The infiltration of Gaucher cells in alveoli was marked, suggesting that ERT was relatively ineffective in pulmonary involvement, particularly intra-alveolar. Additional treatments are necessary to improve the neurological and pulmonary prognosis of type 2Gaucher disease. PMID- 27866811 TI - The modified Glasgow prognosis score predicts for overall and disease-free survival following cytoreductive surgery and HIPEC in patients with pseudomyxoma peritonei of appendiceal origin. AB - BACKGROUND: The modified Glasgow prognostic score (incorporating C-reactive protein and albumin) predicts survival in patients with gastro-intestinal tract cancer but has not been evaluated in patients with peritoneal malignancy. The aim was to evaluate the modified Glasgow score preoperatively in patients undergoing complete cytoreductive surgery (CCRS) with hyperthermic intraperitoneal chemotherapy (HIPEC) for pseudomyxoma peritonei (PMP) of appendiceal origin. METHODS: Prospectively collected data from patients with PMP of appendiceal origin following CCRS and HIPEC between January 2007 and December 2011 were analysed. The mGPS was calculated from preoperative C-reactive protein and albumin. Predicted overall survival (OS) and disease-free survival (DFS) for each mGPS score were calculated using the Kaplan-Meier model. In a separate analysis, a comparison was made between mGPS and Tumour Markers (TM). RESULTS: 260 patients were included in the study. The mGPS of 0, 1, and 2 were found in 111, 130, and 19 patients respectively. The median follow-up was 48 months. For mGPS-0, -1, and -2, the predicted OS was 82.2, 73.7, and 69.2 months and the DFS was 73.5, 62.9, and 54.4 months respectively. As mGPS increases, there is a reduction in long term survival. There was no difference between mGPS and TM. CONCLUSION: Preoperative mGPS may be a cost effective prognostic tool for predicting OS and DFS in patients following complete CRS-HIPEC, and performs well compared to TM for predicting patients at high risk of recurrence. PMID- 27866812 TI - A Case Report of Infectious Sacroiliitis in an Adult Presenting to the Emergency Department with Inability to Walk. AB - BACKGROUND: Infectious sacroiliitis (ISI) is an uncommon cause of back and hip pain in which the sacroiliac joint, either unilateral or bilateral, is inflamed from an infectious source. Historically, this has been an easily missed diagnosis due to nonspecific presenting symptoms along with subtle nondistinguishable laboratory abnormalities. CASE REPORT: We describe an injection drug user presenting with right-sided ISI who presented with hip and back pain and inability to walk. The patient had tenderness over his right sacroiliac joint, and despite negative plain radiographs, a magnetic resonance imaging (MRI) scan was obtained from the Emergency Department (ED) given the patient's risk factors for infection. Concerning findings of ISI on this MRI led to a computed tomography-guided biopsy during the patient's hospital admission, which revealed alpha-hemolytic Streptococcus as the responsible pathogen. WHY SHOULD AN EMERGENCY PHYSICIAN BE AWARE OF THIS?: Infectious sacroiliitis is a rare condition that is difficult to diagnose, and carries increasing morbidity when diagnosis is delayed. We aim to increase awareness through a case report of a patient encountered in the ED. PMID- 27866813 TI - Rhodnius prolixus: from physiology by Wigglesworth to recent studies of immune system modulation by Trypanosoma cruzi and Trypanosoma rangeli. AB - This review is dedicated to the memory of Professor Sir Vincent B. Wigglesworth (VW) in recognition of his many pioneering contributions to insect physiology which, even today, form the basis of modern-day research in this field. Insects not only make vital contributions to our everyday lives by their roles in pollination, balancing eco-systems and provision of honey and silk products, but they are also outstanding models for studying the pathogenicity of microorganisms and the functioning of innate immunity in humans. In this overview, the immune system of the triatomine bug, Rhodnius prolixus, is considered which is most appropriate to this dedication as this insect species was the favourite subject of VW's research. Herein are described recent developments in knowledge of the functioning of the R. prolixus immune system. Thus, the roles of the cellular defences, such as phagocytosis and nodule formation, as well as the role of eicosanoids, ecdysone, antimicrobial peptides, reactive oxygen and nitrogen radicals, and the gut microbiota in the immune response of R. prolixus are described. The details of many of these were unknown to VW although his work gives indications of his awareness of the importance to R. prolixus of cellular immunity, antibacterial activity, prophenoloxidase and the gut microbiota. This description of R. prolixus immunity forms a backdrop to studies on the interaction of the parasitic flagellates, Trypanosoma cruzi and Trypanosoma rangeli, with the host defences of this important insect vector. These parasites remarkably utilize different strategies to avoid/modulate the triatomine immune response in order to survive in the extremely hostile host environments present in the vector gut and haemocoel. Much recent information has also been gleaned on the remarkable diversity of the immune system in the R. prolixus gut and its interaction with trypanosome parasites. This new data is reviewed and gaps in our knowledge of R. prolixus immunity are identified as subjects for future endeavours. Finally, the publication of the T. cruzi, T. rangeli and R. prolixus genomes, together with the use of modern molecular techniques, should lead to the enhanced identification of the determinants of infection derived from both the vector and the parasites which, in turn, could form targets for new molecular based control strategies. PMID- 27866814 TI - Predictors of tissue healing in ulcerative colitis patients treated with anti TNF. AB - AIM: To identify factors predicting mucosal healing in ulcerative colitis patients treated with anti-TNFalpha agents with or without azathioprine. METHODS: In a prospective, multicenter, one-year study biologic naive patients aged 25-65 years, with corticosteroid-dependent or refractory colitis received combination treatment with anti-TNFalpha and azathioprine for 6 months followed by anti TNFalpha monotherapy. Patients who denied combination therapy or were outside this age range received anti-TNFalpha monotherapy (controls). Before and at weeks 12 and 54 of treatment the total Mayo score was calculated. Mucosal healing was defined as endoscopic subscore of 0. Mucosal expression of T helper (Th) cell lineage specific transcription factors (Tbet, Gata3, Rorc, FoxP3) before treatment was also associated with mucosal healing. RESULTS: Of 67 patients, 58 (86.6%) received combination and 9 (13.4%) anti-TNFalpha monotherapy. Overall 29 (43.3%) patients achieved mucosal healing; rates were higher in patients receiving combination therapy vs. monotherapy (p=0.03) and in azathioprine naive vs. exposed patients in the combination group (p=0.01). Mucosal healing was associated with lower pre-treatment mucosal expression of transcription factor Th1-Tbet (p<0.05) and higher expression of Th17-Rorc (p<0.05). CONCLUSIONS: Mucosal healing was associated with combination therapy, especially in biologic and azathioprine-naive patients and pre-treatment mucosal expression of specific Th specific transcripting factors (Tbet and Rorc). PMID- 27866816 TI - Nitric oxide-donating derivatives of hederacolchiside A1: Synthesis and biological evaluation in vitro and in vivo as potential anticancer agents. AB - A series of nitric oxide (NO) donating derivatives of hederacolchiside A1 bearing triterpenoid saponin motif were designed, synthesized and evaluated for their anticancer activity. All of the tested furoxan-based NO releasing compounds showed significant proliferation inhibitory activities. Especially compound 6a exhibited strong cytotoxicity (IC50=1.6-6.5MUM) against four human tumor cell lines (SMMC-7721, NCI-H460, U251, HCT-116) in vitro and the highest level of NO releasing. Furthermore, compound 6a was revealed low acute toxicity to mice and weak haemolytic activity with potent tumor growth inhibition against mice H22 hepatocellular cells in vivo (51.5%). PMID- 27866815 TI - N-[11CH3]Dimethylaminoparthenolide (DMAPT) uptake into orthotopic 9LSF glioblastoma tumors in the rat. AB - The aim of this study was to determine the uptake of intravenously administered N [11CH3]-dimethylaminoparthenolide (DMAPT) into orthotopic 9LSF glioblastoma brain tumors in Fisher 344 rats from positron emission tomography (PET) imaging studies. [11C]methyl iodide (11CH3I) was utilized as a [11C]-labeling reagent to label the precursor methylaminoparthenolide (MAPT) intermediate. From PET imaging studies it was found that brain uptake of N-[11CH3]DMAPT into brain tumor tissue was rapid (30min), and considerably higher than that in the normal brain tissue. PMID- 27866817 TI - Discovery of novel N-phenyl 1,4-dihydropyridines with a dual mode of antimycobacterial activity. AB - There is an urgent need for novel drugs for the treatment of tuberculosis (TB) due to the increasing prevalence of antibiotic resistance among Mycobacterium tuberculosis (Mtb) strains against first-line and second-line therapeutics. We developed novel N-phenyl 1,4-dihydropyridines as potential antituberculotic agents. The observed activity depends on the substitution patterns of the aromatic residues. N-unsubstituted 1,4-dihydropyridines are known inhibitors of the cancer-relevant transmembrane efflux pump ABCB1. Based on the similarity of ABCB1 amino acids sequences relevant to 1,4-dihydropyridine binding and the MTb efflux pump Rv0194, we determined ABCB1-inhibitory properties of our compounds in a cell line model. We identified one compound, which substantially increased the activity of two antituberculotic drugs which are substrates of ABCB1. The data indicate that our N-phenyl 1,4-dihydropyridines represent a novel compound class which improves the efficacy of anti-TB drugs by interfering with transmembrane efflux pumps in Mtb. PMID- 27866818 TI - The discovery of quinoline based single-ligand human H1 and H3 receptor antagonists. AB - A novel series of potent quinoline-based human H1 and H3 bivalent histamine receptor antagonists, suitable for intranasal administration for the potential treatment of allergic rhinitis associated nasal congestion, were identified. Compound 18b had slightly lower H1 potency (pA2 8.8 vs 9.7 for the clinical goldstandard azelastine), and H3 potency (pKi 9.1vs 6.8 for azelastine), better selectivity over alpha1A, alpha1B and hERG, similar duration of action, making 18b a good back-up compound to our previous candidate, but with a more desirable profile. PMID- 27866819 TI - Endocrinology of human female sexuality, mating, and reproductive behavior. AB - Hormones orchestrate and coordinate human female sexual development, sexuality, and reproduction in relation to three types of phenotypic changes: life history transitions such as puberty and childbirth, responses to contextual factors such as caloric intake and stress, and cyclical patterns such as the ovulatory cycle. Here, we review the endocrinology underlying women's reproductive phenotypes, including sexual orientation and gender identity, mate preferences, competition for mates, sex drive, and maternal behavior. We highlight distinctive aspects of women's sexuality such as the possession of sexual ornaments, relatively cryptic fertile windows, extended sexual behavior across the ovulatory cycle, and a period of midlife reproductive senescence-and we focus on how hormonal mechanisms were shaped by selection to produce adaptive outcomes. We conclude with suggestions for future research to elucidate how hormonal mechanisms subserve women's reproductive phenotypes. PMID- 27866820 TI - Cutaneous fungal infections are commonly misdiagnosed: A survey-based study. PMID- 27866821 TI - Advanced Analysis Techniques Improve Infant Bone and Body Composition Measures by Dual-Energy X-Ray Absorptiometry. AB - OBJECTIVE: To evaluate a novel technique designed to reduce the negative impact of motion artifacts in infant dual-energy X-ray absorptiometry (DXA) scans. STUDY DESIGN: Using cross-sectional data from a large multicenter study, we developed and tested advanced methods for infant scan analysis. Newborns (n = 750) received spine and whole-body DXA scans with up to 3 attempts to acquire a motion free scan. Precision of infant DXA was estimated from visits with multiple valid scans. Accuracy of regional reflection, fusion, and omission techniques was estimated by comparing modified scans to unmodified valid scans. The effectiveness of the acquisition and analysis protocol was represented by the reduction in rate of failure to acquire valid results from infant visits. RESULTS: For infant whole-body DXA, arm reflection and all fusion techniques caused no significant changes to bone mineral content, bone mineral density, bone area, total mass, fat mass, lean mass, and percentage fat. Leg reflection and arm/leg dual-reflection caused significant changes to total mass, but the percentage change remained small. For infant spine DXA, fusion and omission caused no significant changes. Advanced analysis techniques reduced the failure rate of whole-body scanning from 20.8% to 9.3% and the failure rate of spine scanning from 8.9% to 2.4%. CONCLUSIONS: Advanced analysis techniques significantly reduced the impact of motion artifacts on infant DXA scans. We suggest this protocol be used in future infant DXA research and clinical practice. PMID- 27866823 TI - Relative Risk and Incidence for Developmental Dysplasia of the Hip. AB - OBJECTIVE: To determine the incidence and associated risk factors of developmental dysplasia of the hip (DDH) in a modern population without universal screening. STUDY DESIGN: Children with DDH were identified from the Manitoba Centre for Health Policy's Data Repository by the use of International Classification of Diseases diagnosis codes as well as physician billing tariffs for surgical procedures for DDH for all children born between 1995 and 2012. To identify the outpatient-treated patients, ultrasound scans and radiographic imaging for DDH were reviewed for 2004-2012. Overall incidence was calculated on the basis of birth rate for the province per year. Relative risks of sex, first born, breech position, clubfoot deformity, multiple gestations, as well as regional health areas were analyzed with chi2 tests. RESULTS: We identified 1716 cases of DDH of 258 499 newborns. The incidence of DDH was calculated at 6.6/1000 newborns. Late-presenting DDH was detected in 2.2/1000 newborns. Female first born children, clubfoot deformity, and breech position were associated significantly with an increased risk. Children with DDH born in rural areas of the Northern and Central part of Manitoba presented at a later age than those who are born in the urban areas (P < .0001) CONCLUSION: This study shows the need for improved early detection and awareness at well-baby clinics of risk factors and regional differences for DDH. PMID- 27866822 TI - Correlates of Physical Activity among Young Children with Moderate Acute Malnutrition. AB - OBJECTIVE: To assess the levels of physical activity among young children with moderate acute malnutrition and to identify clinical, biochemical, anthropometric, and sociodemographic correlates of physical activity. STUDY DESIGN: In a cross-sectional study, 1609 children aged 6-23 months wore a triaxial accelerometer (ActiGraph GT3x+; ActiGraph, Pensacola, Florida) for 6 consecutive days, from which total physical activity were determined. Data on morbidity were collected based by history and physical examination, and serum C reactive protein and alpha1-acid glycoprotein were measured. RESULTS: A total of 1544 (96%) children had physical activity measured, of whom 1498 (97%) completed 6 consecutive days of physical activity recording with a daily median wear time of 24 hours. The mean (+/-SD) total physical activity was 707 (+/-180) vector magnitude counts per minute (cpm). Age was negatively correlated with physical activity; compared with children below 12 months of age, those 12-17 months of age, and 18-23 months of age had 51 (95% CI, 26; 75) and 106 (95% CI, 71; 141) cpm lower physical activity, respectively. Fever and malaria were associated with 49 (95% CI, 27; 70) and 44 (95% CI, 27; 61) cpm lower activity, respectively. Elevated serum C-reactive protein and alpha1-acid glycoprotein were both negative correlates of physical activity, and hemoglobin was a positive correlate. CONCLUSIONS: Physical activity declines with age in children with moderate acute malnutrition and is also inversely related to infection and inflammatory status. Future studies are needed to ascertain cause and effect of these associations. TRIAL REGISTRATION: Controlled-Trials.com: ISRCTN42569496. PMID- 27866824 TI - Detection of Her2-overexpressing cancer cells using keyhole shaped chamber array employing a magnetic droplet-handling system. AB - An on-chip gene expression analysis compartmentalized in droplets was developed for detection of cancer cells at a single-cell level. The chip consists of a keyhole-shaped reaction chamber with hydrophobic modification employing a magnetic bead-droplet-handling system with a gate for bead separation. Using three kinds of water-based droplets in oil, a droplet with sample cells, a lysis buffer with magnetic beads, and RT-PCR buffer, parallel magnetic manipulation and fusion of droplets were performed using a magnet-handling device containing small external magnet patterns in an array. The actuation with the magnet offers a simple system for droplet manipulation that allows separation and fusion of droplets containing magnetic beads. After reverse transcription and amplification by thermal cycling, fluorescence was obtained for detection of overexpressing genes. For clinical detection of gastric cancer cells in peritoneal washing, the Her2-overexpressing gastric cancer cells spiked within normal cells was detected by gene expression analysis of droplets containing an average of 2.5 cells. Our developed droplet-based cancer detection system manipulated by external magnetic force without pumps or valves offers a simple and flexible set-up for transcriptional detection of cancer cells, and will be greatly advantageous for less-invasive clinical diagnosis and prognostic prediction. PMID- 27866825 TI - Comparative Effectiveness of Wellness Programs: Impact of Incentives on Healthcare Costs for Obese Enrollees. AB - INTRODUCTION: Employee wellness programs show mixed effectiveness results. This study examined the impact of an insurer's lifestyle modification program on healthcare costs of obese individuals. METHODS: This nonrandomized comparative effectiveness study evaluated changes in healthcare costs for participants in two incentivized programs, an Internet-mediated pedometer-based walking program (WalkingSpree, n=7,594) and an in-person weight-loss program (Weight Watchers, n=5,764). The primary outcome was the change in total healthcare costs from the baseline year to the year after program participation. Data were collected from 2009 to 2011 and the analysis was done in 2014-2015. RESULTS: After 1 year, unadjusted mean costs decreased in both programs, with larger decreases for Weight Watchers participants than WalkingSpree participants (-$1,055.39 vs $577.10, p=0.019). This difference was driven by higher rates of women in Weight Watchers, higher baseline total costs among women, and a greater decrease in costs for women in Weight Watchers (-$1,037.60 vs -$388.50, p=0.014). After adjustment for baseline costs, there were no differences by program or gender. CONCLUSIONS: Comparable cost reductions in both programs suggest that employers may want to offer more than one choice of incentivized wellness program with monitoring to meet the diverse needs of employees. PMID- 27866826 TI - The impact of online therapeutic feedback on outcome measures in Internet-CBTI for adolescents with insomnia. AB - BACKGROUND: Guided Internet cognitive behavioral therapy for insomnia (CBTI) offers an effective treatment for adolescents, but little is known about the active ingredients of therapeutic feedback on outcomes. OBJECTIVE: This study aims to identify which factors can be distinguished in written therapeutic feedback in Internet CBTI, and examine whether these factors and participation in a chat session contribute to sleep outcomes. METHODS: Internet CBTI was applied to 57 adolescents (mean age 15.43 years, SD 1.74, 82.5% girls). Symptoms of insomnia and chronic sleep reduction, and total sleep time, time in bed, and sleep efficiency from seven day sleep logs were measured at baseline, post treatment, and at two month follow-up. With a coding instrument developed for this study, two independent researchers coded transcripts of the written therapeutic feedback of the Internet CBTI sessions with an event sampling method. RESULTS: Principal component analysis of the initial 17 items from the coding instrument yielded four distinct factors of therapeutic feedback, of which only Sleep expertise seemed to contribute to improvements after Internet CBTI. The other factors, indicating forms of encouragement, and participation in a chat session seemed counterproductive. CONCLUSIONS: This first longitudinal study into effects of therapeutic feedback in adolescent Internet CBTI indicated that emphasizing knowledge about sleep might contribute to insomnia improvement. The structured nature of the preprogrammed treatment content, delay of therapeutic feedback due to standardized timing, and unintentional reinforcement of undesirable behavior by giving attention to failures might explain the negative results of encouraging behavior. Further research to identify effective therapeutic factors in Internet therapy is warranted. PMID- 27866827 TI - Nucleoprotein supplementation enhances the recovery of rat soleus mass with reloading after hindlimb unloading-induced atrophy via myonuclei accretion and increased protein synthesis. AB - Hindlimb unloading results in muscle atrophy and a period of reloading has been shown to partially recover the lost muscle mass. Two of the mechanisms involved in this recovery of muscle mass are the activation of protein synthesis pathways and an increase in myonuclei number. The additional myonuclei are provided by satellite cells that are activated by the mechanical stress associated with the reloading of the muscles and eventually incorporated into the muscle fibers. Amino acid supplementation with exercise also can increase skeletal muscle mass through enhancement of protein synthesis and nucleotide supplements can promote cell cycle activity. Therefore, we hypothesized that nucleoprotein supplementation, a combination of amino acids and nucleotides, would enhance the recovery of muscle mass to a greater extent than reloading alone after a period of unloading. Adult rats were assigned to 4 groups: control, hindlimb unloaded (HU; 14 days), reloaded (5 days) after hindlimb unloading (HUR), and reloaded after hindlimb unloading with nucleoprotein supplementation (HUR + NP). Compared with the HUR group, the HUR + NP group had larger soleus muscles and fiber cross sectional areas, higher levels of phosphorylated rpS6, and higher numbers of myonuclei and myogenin-positive cells. These results suggest that nucleoprotein supplementation has a synergistic effect with reloading in recovering skeletal muscle properties after a period of unloading via rpS6 activation and satellite cell differentiation and incorporation into the muscle fibers. Therefore, this supplement may be an effective therapeutic regimen to include in rehabilitative strategies for a variety of muscle wasting conditions such as aging, cancer cachexia, muscular dystrophy, bed rest, and cast immobilization. PMID- 27866828 TI - High-fat Western diet-induced obesity contributes to increased tumor growth in mouse models of human colon cancer. AB - Strong epidemiologic evidence links colon cancer to obesity. The increasing worldwide incidence of colon cancer has been linked to the spread of the Western lifestyle, and in particular consumption of a high-fat Western diet. In this study, our objectives were to establish mouse models to examine the effects of high-fat Western diet-induced obesity on the growth of human colon cancer tumor xenografts, and to examine potential mechanisms driving obesity-linked human colon cancer tumor growth. We hypothesize that mice rendered insulin resistant due to consumption of a high-fat Western diet will show increased and accelerated tumor growth. Homozygous Rag1tm1Mom mice were fed either a low-fat Western diet or a high-fat Western diet (HFWD), then human colon cancer xenografts were implanted subcutaneously or orthotopically. Tumors were analyzed to detect changes in receptor tyrosine kinase-mediated signaling and expression of inflammatory-associated genes in epididymal white adipose tissue. In both models, mice fed an HFWD weighed more and had increased intra-abdominal fat, and tumor weight was greater compared with in the low-fat Western diet-fed mice. They also displayed significantly higher levels of leptin; however, there was a negative correlation between leptin levels and tumor size. In the orthotopic model, tumors and adipose tissue from the HFWD group displayed significant increases in both c Jun N-terminal kinase activation and monocyte chemoattractant protein 1 expression, respectively. In conclusion, this study suggests that human colon cancer growth is accelerated in animals that are obese and insulin resistant due to the consumption of an HFWD. PMID- 27866829 TI - Lutein and zeaxanthin supplied by red/orange foods and fruits are more closely associated with macular pigment optical density than those from green vegetables in Spanish subjects. AB - Lutein and zeaxanthin (L+Z) accumulate in the retina. Although vegetables are major contributors to their intake, a stronger association between fruits and macular pigment optical density (MPOD) has been reported. We hypothesized that L+Z intake from fruits would have a stronger association with L+Z status markers (MPOD, serum concentrations) than intake from vegetables or eggs, and that those associations would also differ according to plant foods color. One hundred eight subjects (57 men; age groups, 20-35 and 45-65 years) were enrolled in a cross sectional study. L+Z intake from fruits, vegetables, and eggs was determined using three 24-hour diet recalls and a country-specific carotenoid database. Vegetables were the major contributors (75%) to L+Z intake, followed by eggs (10%) and fruits (4%). Vegetables supplied 86% and 84% of the LandZ intake, respectively, and fruits supplied 3% and 16%. Green foods supplied 78% and 52% of LandZ, respectively, followed by red/orange (9% and 38%) and white/yellow (14% and 9%). Factorial analysis showed associations in older subjects. The explained variance of the first 2 principal components was 54% considering L+Z intake from fruits, vegetables, and eggs, and 55% considering L+Z intake from plant foods grouped by color. Macular pigment optical density is related to L+Z intake from fruits (0.264, P=.003) and is independent of that from vegetables and eggs. It is related to L+Z intake from red/orange foods (0.320, P=.000) and the serum concentrations to that from green foods (0.222, P=.11). Although vegetables and green foods of plant origin are the major contributors to L+Z intake, red/orange foods and fruits have the strongest relationship to MPOD in study participants (45-65 years of age). PMID- 27866831 TI - The debate: Treatment after the first seizure - The CONTRA. AB - In many instances antiepileptic drug (AED) treatment of epilepsy patients is sustained for a long time and is even a lifelong therapy. Chronic drug treatment naturally means the potential burden of adverse effects. The prognosis to remain seizure-free is good after a first seizure even without AEDs. Therefore one has to consider the possibility that freedom from seizures when AED treatment has been initiated after the first seizure may not in fact be the result of the AED treatment. On the other hand seizure-free patients without severe side effects most probably will not consider discontinuing AEDs. Therefore in these cases it will not be possible to discover whether AEDs are really necessary to maintain freedom from seizures. Furthermore it has been shown that the long-term prognosis is independent of whether AED treatment started after the first or a following seizure. Therefore in most instances AED treatment after a first seizure should be avoided. PMID- 27866830 TI - A high-fat diet differentially regulates glutathione phenotypes in the obesity prone mouse strains DBA/2J, C57BL/6J, and AKR/J. AB - The ubiquitous tripeptide glutathione (GSH) is a critical component of the endogenous antioxidant defense system. Tissue GSH concentrations and redox status (GSH/GSSG) are genetically controlled, but it is unclear whether interactions between genetic background and diet affect GSH homeostasis. The current study tested the hypothesis that a high-fat diet regulates GSH homeostasis in a manner dependent on genetic background. At 4 months of age, female mice representing 3 obesity-prone inbred strains-C57BL/6J (B6), DBA/2J (D2), and AKR/J (AKR)-were randomly assigned to consume a control (10% energy from fat) or high-fat (62% energy from fat) diet for 10 weeks (n=5/diet per strain). Tissue GSH levels, GSSG levels, and GSH/GSSG were quantified, and hepatic expression of GSH-related enzymes was evaluated by quantitative reverse transcription polymerase chain reaction. The high-fat diet caused a decrease in hepatic GSH/GSSG in D2 mice. In contrast, B6 mice exhibited a decrease in GSSG levels in the liver and kidney, as well as a resultant increase in renal GSH/GSSG. AKR mice also exhibited increased renal GSH/GSSG on a high-fat diet. Finally, the high-fat diet induced a unique gene expression response in D2 mice compared with B6 and AKR. The D2 response was characterized by up-regulation of glutamate-cysteine ligase modifier subunit and down-regulation of glutathione reductase, whereas the B6 and AKR responses were characterized by up-regulation of glutathione peroxidase 1. Two-way analysis of variance analyses confirmed several diet-strain interactions within the GSH system, and linear regression models highlighted relationships between body mass and GSH outcomes as well. Overall, our data indicate that dietary fat regulates the GSH system in a strain-dependent manner. PMID- 27866833 TI - TP53 and 53BP1 Reunited. AB - Identified as a TP53-binding protein, 53BP1 is a key regulator of the cellular response to double-strand breaks, a TP53-independent activity. Recent data have established a new TP53-dependent function for 53BP1 in mitotic surveillance after centrosome loss. PMID- 27866832 TI - Roscoe Owen Brady, MD: Remembrances of co-investigators and colleagues. AB - To celebrate the research visions and accomplishments of the late Roscoe O. Brady (1923-2016), remembrance commentaries were requested from several of his postdoctoral research fellows and colleagues. These commentaries not only reflect on the accomplishments of Dr. Brady, but they also share some of the backstories and experiences working in the Brady laboratory. They provide insights and perspectives on Brady's research activities, and especially on his efforts to develop an effective treatment for patients with Type 1 Gaucher disease. These remembrances illuminate Brady's efforts to implement the latest scientific advances with an outstanding team of young co-investigators to develop and demonstrate the safety and effectiveness of the first enzyme replacement therapy for a lysosomal storage disease. Brady's pursuit and persistence in accomplishing his research objectives provide insights into this remarkably successful physician scientist who paved the way for the development of treatments for patients with other lysosomal storage diseases. PMID- 27866834 TI - 'Patient 0' and the Origin of HIV/AIDS in America. AB - The origin of the HIV/AIDS epidemic in North America remains contentious. A recent study uses phylogenetic and historical approaches to investigate the early history of HIV-1 group M subtype B in North America and shows that 'Patient 0' is not the source of the North American HIV/AIDS epidemic. PMID- 27866835 TI - Over-using chemotherapy in the adjuvant setting. AB - Avoidance of unnecessary or ineffective treatment should be one of the main goals in adjuvant breast oncology today. Unfortunately, both patients and doctors hunt for tiny statistical differences in survival curves. This search could not only lead to an oncological approach of unlimited addition that we will not be able to afford, but would also end inevitably in indeterminate overtreatment with substantial risks of unexpected toxic effects eating away whatever progress we might make. "Do not harm" remains the main principle in medicine. To be able to follow this rule, we need to better understand the biology of breast cancer. The mistake of "one treatment fits all" can only be changed when we critically review trial designs of adjuvant breast oncology. The risk of overtreatment is there and selection of precisely defined cohorts for phase 3 trials is necessary, despite pressure of scientific ambition, pragmatism, and demands of industry. The "add on" clinical trial design model accepts the inability to confirm that standard therapy is still necessary if a positive result from the addition of the new therapy is obtained. The same model can be applied to "extended" adjuvant treatments in breast cancer subtypes. Addition of "miraculin" to the standard of care should generate a new standard. Such trials that show a modest benefit on average at a population level take us a step away from refining care for the individual, and might support the use of multiple and costly interventions with potential short and long term side effects. It is essential to escalate treatment when necessary and to de-escalate when un-necessary. PMID- 27866836 TI - Physiological Suppression of Lipotoxic Liver Damage by Complementary Actions of HDAC3 and SCAP/SREBP. AB - Liver fat accumulation precedes non-alcoholic steatohepatitis, an increasing cause of end-stage liver disease. Histone deacetylase 3 (HDAC3) is required for hepatic triglyceride homeostasis, and sterol regulatory element binding protein (SREBP) regulates the lipogenic response to feeding, but the crosstalk between these pathways is unknown. Here we show that inactivation of SREBP by hepatic deletion of SREBP cleavage activating protein (SCAP) abrogates the increase in lipogenesis caused by loss of HDAC3, but fatty acid oxidation remains defective. This combination leads to accumulation of lipid intermediates and to an energy drain that collectively cause oxidative stress, inflammation, liver damage, and, ultimately, synthetic lethality. Remarkably, this phenotype is prevented by ectopic expression of nuclear SREBP1c, revealing a surprising benefit of de novo lipogenesis and triglyceride synthesis in preventing lipotoxicity. These results demonstrate that HDAC3 and SCAP control symbiotic pathways of liver lipid metabolism that are critical for suppression of lipotoxicity. PMID- 27866837 TI - High-Density Lipoproteins Exert Pro-inflammatory Effects on Macrophages via Passive Cholesterol Depletion and PKC-NF-kappaB/STAT1-IRF1 Signaling. AB - Membrane cholesterol modulates a variety of cell signaling pathways and functions. While cholesterol depletion by high-density lipoproteins (HDLs) has potent anti-inflammatory effects in various cell types, its effects on inflammatory responses in macrophages remain elusive. Here we show overt pro inflammatory effects of HDL-mediated passive cholesterol depletion and lipid raft disruption in murine and human primary macrophages in vitro. These pro inflammatory effects were confirmed in vivo in peritoneal macrophages from apoA-I transgenic mice, which have elevated HDL levels. In line with these findings, the innate immune responses required for clearance of P. aeruginosa bacterial infection in lung were compromised in mice with low HDL levels. Expression analysis, ChIP-PCR, and combinatorial pharmacological and genetic intervention studies unveiled that both native and reconstituted HDL enhance Toll-like receptor-induced signaling by activating a PKC-NF-kappaB/STAT1-IRF1 axis, leading to increased inflammatory cytokine expression. HDL's pro-inflammatory activity supports proper functioning of macrophage immune responses. PMID- 27866839 TI - Markers for toxicity to HepG2 exposed to cadmium sulphide quantum dots; damage to mitochondria. AB - Interaction of living organisms with quantum dots (QDs) is certainly more focused on environment and occupational exposure associated with production and release or disposal. Here, the transcription of genes involved in mitochondrial organization and function in HepG2 cells exposed to cadmium sulphide (CdS) QDs has been profiled to highlight biomarkers of exposure and effect to be tested for other cadmium based QDs. At low concentrations, exposure to CdS QDs induced only minor damage to nuclear DNA, and none to mitochondrial DNA. However, the stress caused an increase in the production of reactive oxygen species (ROS), which triggered the mitochondria-mediated intrinsic apoptotic pathway involving a cascade of transcriptomic events, finally prompting the activation of a rescue pathway. The transcriptomic analysis confirmed the involvement in the response to CdS QDs of genes related to apoptosis (AIFM2 and APAF1), oxidative stress response (OXR1 and AOX1) and autophagy (ATG3 and ATG7), as potential biomarkers. Other possible biomarkers specific for mitochondria function were LONP1 and HSPD1. PMID- 27866838 TI - Glutaminolysis and Fumarate Accumulation Integrate Immunometabolic and Epigenetic Programs in Trained Immunity. AB - Induction of trained immunity (innate immune memory) is mediated by activation of immune and metabolic pathways that result in epigenetic rewiring of cellular functional programs. Through network-level integration of transcriptomics and metabolomics data, we identify glycolysis, glutaminolysis, and the cholesterol synthesis pathway as indispensable for the induction of trained immunity by beta glucan in monocytes. Accumulation of fumarate, due to glutamine replenishment of the TCA cycle, integrates immune and metabolic circuits to induce monocyte epigenetic reprogramming by inhibiting KDM5 histone demethylases. Furthermore, fumarate itself induced an epigenetic program similar to beta-glucan-induced trained immunity. In line with this, inhibition of glutaminolysis and cholesterol synthesis in mice reduced the induction of trained immunity by beta-glucan. Identification of the metabolic pathways leading to induction of trained immunity contributes to our understanding of innate immune memory and opens new therapeutic avenues. PMID- 27866840 TI - The role of human leukocyte antigen DRB1-DQB1 haplotypes in the susceptibility to acquired idiopathic thrombotic thrombocytopenic purpura. AB - The acquired form of idiopathic thrombotic thrombocytopenic purpura (TTP) is an autoimmune disease, in which the underlying ADAMTS13-deficiency is caused by inhibitory autoantibodies against the protease. Human leukocyte antigens (HLA), responsible for antigen presentation, play an important role in the development of antibodies. The loci coding HLA DR and DQ molecules are inherited in linkage as haplotypes. The c.1858C>T polymorphism of the PTPN22 gene, which codes a protein tyrosine phosphatase important in lymphocyte activation, predisposes to a number of autoimmune diseases. We determined the HLA-DRB1-DQB1 haplotypes and the PTPN22 c.1858C>T genotypes in 75 patients with acquired idiopathic TTP and in healthy controls, in order to assess the role of these genetic factors and their interactions in the susceptibility to TTP. We found that the carrier frequencies of the DRB1*11-DQB1*03 and DRB1*15-DQB1*06 haplotypes were higher, while those of the DRB1*07-DQB1*02 and DRB1*13-DQB1*06 haplotypes were lower in TTP patients. There was no difference in the overall frequency of the PTPN22 c.1858T allele between TTP patients and controls. In conclusion, we identified four HLA-DRB1 DQB1 haplotypes associated with an increased (DRB1*11-DQB1*03 and DRB1*15 DQB1*06) or a decreased (DRB1*07-DQB1*02 and DRB1*13-DQB1*06) susceptibility to acquired idiopathic TTP. PMID- 27866841 TI - Thai Yoga improves physical function and well-being in older adults: A randomised controlled trial. AB - OBJECTIVES: Compare two 12-week low-intensity exercise regimens on components of physical function and quality of life in community-dwelling healthy yet sedentary adults aged over 60. DESIGN: This study used a randomised, multi-arm, controlled trial design. METHODS: Thirty-nine sedentary participants (29 women), aged 67.7+/ 6.7 years were randomly allocated to either a 12-week Thai Yoga (TY) or Tai Chi (TC) for 90min twice per week, or telephone counselling Control (C). A Senior Fitness Test (chair-stand, arm-curl, sit-&-reach, back-scratch, 8-foot up-&-go and 6-min walk) and Short-Form 36 Health Survey, Centre for Epidemiological Studies of Depression, Physical Activity Scale for the Elderly and the Physical Activity Enjoyment Scale were assessed at baseline, six, 12 weeks, and three months after the completion of the regimen. RESULTS: After 12 weeks, chair-stand (mean difference, 2.69; 95% CI, 0.97-4.41; P<0.001), arm-curl (2.23; 95% CI, 0.06 4.52; P=0.009), sit-&-reach (1.25; 95% CI, 0.03-2.53; P=0.013), back-scratch (2.00; 95% CI, 0.44-3.56; P=0.005), 8-foot up-&-go (-0.43; 95% CI, -0.85 to 0.01; P=0.013), 6-min walk (57.5; 95% CI, 20.93-94.07; P<0.001), vitality (13.27; 95% CI, 2.88-23.66; P=0.050) and enjoyment (7.96; 95% CI, 3.70-12.23; P=0.001) significantly improved in TY compared to C, however no change was observed in TC compared to C. TY improved in chair-stand (2.31; 95% CI, 0.59-4.03; P=0.007), sit &-reach (1.38; 95% CI, 0.10-2.66; P=0.007), 6-min walk (32.31; 95% CI, -4.26 68.88; P=0.015), vitality (12.88; 95% CI, 2.50-23.27; P=0.040) and enjoyment (5.65; 95% CI, 1.39-9.92; P=0.010) compared to TC after 12 weeks. CONCLUSIONS: The findings suggest that older adults can make significant improvements in their health and well-being by engaging in low intensity Thai Yoga exercise. PMID- 27866842 TI - Upholding Rigorous Standards: Comparable Patterns and Rates of Recurrence Between Open and Robot-assisted Radical Cystectomy. PMID- 27866843 TI - Postoperative Radiotherapy in Locally Advanced Prostate Cancer: A Question of Who and When. PMID- 27866844 TI - New materials for sample preparation techniques in bioanalysis. AB - The analysis of biological samples is a complex and difficult task owing to two basic and complementary issues: the high complexity of most biological matrices and the need to determine minute quantities of active substances and contaminants in such complex sample. To succeed in this endeavor samples are usually subject to three steps of a comprehensive analytical methodological approach: sample preparation, analytes isolation (usually utilizing a chromatographic technique) and qualitative/quantitative analysis (usually with the aid of mass spectrometric tools). Owing to the complex nature of bio-samples, and the very low concentration of the target analytes to be determined, selective sample preparation techniques is mandatory in order to overcome the difficulties imposed by these two constraints. During the last decade new chemical synthesis approaches has been developed and optimized, such as sol-gel and molecularly imprinting technologies, allowing the preparation of novel materials for sample preparation including graphene and derivatives, magnetic materials, ionic liquids, molecularly imprinted polymers, and much more. In this contribution we will review these novel techniques and materials, as well as their application to the bioanalysis niche. PMID- 27866845 TI - Untargeted serum metabolomics reveals Fu-Zhu-Jiang-Tang tablet and its optimal combination improve an impaired glucose and lipid metabolism in type II diabetic rats. AB - Fu-Zhu-Jiang-Tang tablet, a six-herb preparation, was proved to show beneficial effects on type II diabetes patients in clinical. This study aims to optimize the component proportion of the six-herb preparation and explore the serum metabolic signatures of type II diabetes rats after treatment with Fu-Zhu-Jiang-Tang tablet and its optimal combination. The component proportion of the preparation was optimized using uniform experimental design and machine learning techniques. Untargeted GC-MS metabolomic experiments were carried out with serum samples from model group and treatment groups. Data were normalized, multivariate and univariate statistical analysis performed and metabolites of interest putatively identified. 23 metabolites were significantly changed by Fu-Zhu-Jiang-Tang tablet treatment and the majority of these were decreased, including various carbohydrates (glucose, mannose, fructose, allose and gluconic acid), unsaturated fatty acids (palmitic acid, 9-octadecenoic acid, oleic acid, arachidonic acid), alanine, valine, propanoic acid, 3-hydroxybutyrate, along with pyrimidine and cholesterol. Increased concentrations of oxalic acid, leucine, glycine, serine, threonine, proline, lysine and citrate were observed. In the optimal combination fed group, 21 metabolites were significantly affected and strikingly, the magnitudes of changes here were generally much greater than that of Fu-Zhu-Jiang Tang tablet treated rats. 18 metabolites affected in both groups included various carbohydrates (mannose, glucose, allose, fructose and gluconic acid), unsaturated fatty acids (palmitic acid, 9-octadecenoic acid, oleic acid and arachidonic acid), short-chain fatty acids (oxalic acid, 3-hydroxybutyrate), and amino acids (alanine, valine, leucine, glycine, proline and lysine), as well as pyrimidine. Metabolites exclusively affected in optimal combination treated rat included succinic acid, cysteine and phenylalanine, whilst four metabolites (propanoic acid, citrate, serine and threonine) were only altered in Fu-Zhu-Jiang-Tang tablet treated rat. Our investigation demonstrated Fu-Zhu-Jiang-Tang tablet and its optimal combination treatments were able to ameliorate impaired glucose and lipid metabolism, down- regulate the high level of glucose to a lower level and reverse abnormal levels of metabolites in serum of type II diabetes rats. However, the optimal combination treatment was able to maximize the magnitudes of changes in some metabolites. These findings may be helpful in clarifying the anti diabetic mechanism of FZJT tablet and its optimal combination. PMID- 27866846 TI - Determination of enantiomeric vigabatrin by derivatization with diacetyl-l tartaric anhydride followed by ultra-high performance liquid chromatography quadrupole-time-of-flight mass spectrometry. AB - Vigabatrin, one of the most widely used antiepileptic drugs, is marketed and administered as a racemic mixture, while only S-enantiomer is therapeutically effective. In the present study, diacetyl-l-tartaric acid anhydride was used as an inexpensive and effective chiral derivatization reagent to produce tartaric acid monoester derivatives of vigabatrin enantiomers that could be readily resolved by reversed phase chromatography. Derivatization conditions were statistically optimized by response surface methodology, resulting in an optimal reaction temperature of 44 degrees C and an optimal reaction time of 30min. The derivatized diastereomers of vigabatrin and internal standard (gabapentin) were analyzed using ultra-high performance liquid chromatography coupled to quadrupole time-of-flight mass spectrometry. For this analysis, an Agilent ZORBAX Rapid Resolution High Definition Eclipse Plus C18 column (100mm*2.1mm, 1.8MUm) was employed for chromatographic separation using 10mM ammonium formate (pH 3.0) and methanol as mobile phase at a flow rate of 0.2mLmin-1. The established method was validated in terms of specificity, linearity, precision, accuracy, dilution integrity, recovery, matrix effect, stability, and incurred sample reanalysis. It was linear over a range of 0.25-100.0mgL-1 for both S- and R-enantiomers (R2>=0.9987 for both). Intra- and inter-day precisions and accuracies were within acceptable ranges. The method was successfully applied to determine the levels of vigabatrin enantiomers in mouse serum after administration of vigabatrin racemate. PMID- 27866847 TI - Detection of trans-fatty acids by high performance liquid chromatography coupled with in-tube solid-phase microextraction using hydrophobic polymeric monolith. AB - Based on in-tube solid-phase microextraction (in-tube SPME) using a hydrophobic poly (octadecyl methacrylate-co-ethylene dimethacrylate) [poly (OMA-co-EDMA)] monolith, a simple high performance liquid chromatography (HPLC) method has been developed for detection of trans-fatty acids (TFAs) as their fatty acid methyl esters (FAMEs). The poly (OMA-co-EDMA) monolithic column with high hydrophobicity was specially prepared for simultaneous microextraction, pre-separation and purification for the analytes. The pre-separation selectivity, the extraction efficiency, and the purification effect for FAMEs were investigated respectively. Furthermore, some operation parameters have been optimized in detail with respect to satisfactory extraction efficiency of the target compounds. Under the optimized conditions, the enrichment factors for model FAMEs were ranged from 58.3 to 70.9, wide linear range (0.01-1.00mg/kg) and low detection limits (LODs) (3.0-7.1MUg/kg) were achieved, respectively. In addition, recoveries of the method were in the range from 83.0 to 106.4% with low relative standard deviations (RSDs) of 3.2-4.7% (n=4) at spiking levels of 0.05, 0.25 and 0.5mg/kg, respectively. Finally, the proposed method was successfully applied for detection of TFAs in practical samples, which possesses short time-consuming, low disturbance and high detection sensitivity. PMID- 27866848 TI - Analysis of GTV reduction during radiotherapy for oropharyngeal cancer: Implications for adaptive radiotherapy. AB - BACKGROUND AND PURPOSE: Adaptive field size reduction based on gross tumor volume (GTV) shrinkage imposes risk on coverage. Fiducial markers were used as surrogate for behavior of tissue surrounding the GTV edge to assess this risk by evaluating if GTVs during treatment are dissolving or actually shrinking. MATERIALS AND METHODS: Eight patients with oropharyngeal tumors treated with chemo-radiation were included. Before treatment, fiducial markers (0.035*0.2cm2, n=40) were implanted at the edge of the primary tumor. All patients underwent planning-CT, daily cone beam CT (CBCT) and MRIs (pre-treatment, weeks 3 and 6). Marker displacement on CBCT was compared to local GTV surface displacement on MRIs. Additionally, marker displacement relative to the GTV surfaces during treatment was measured. RESULTS: GTV surface displacement derived from MRI was larger than derived from fiducial markers (average difference: 0.1cm in week 3). During treatment, the distance between markers and GTV surface on MRI in week 3 increased in 33%>0.3cm and in 10%>0.5cm. The MRI-GTV shrank faster than the surrounding tissue represented by the markers, i.e. adapting to GTV shrinkage may cause under-dosage of microscopic disease. CONCLUSIONS: We showed that adapting to primary tumor GTV shrinkage on MRI mid-treatment is potentially not safe since at least part of the GTV is likely to be dissolving. Adjustment to clear anatomical boundaries, however, may be done safely. PMID- 27866849 TI - Inter-observer variation in delineating the coronary arteries as organs at risk. AB - PURPOSE: To determine the inter-observer variation in delineating the coronary arteries as organs at risk (OAR) in breast cancer (BC) radiotherapy (RT) and how this variation affects the estimated coronary artery radiation dose. METHOD: Delineation of the left main and the left anterior descending coronary artery (LMCA and LAD), and the right coronary artery (RCA), by using the heart atlas by Feng et al., was performed by three radiation oncologists in 32 women who had received adjuvant RT for BC. Centres of the arteries were calculated and distances between artery centres were measured and the artery radiation doses were estimated. The intraclass correlation coefficient (ICC) was used to quantify the variability in doses. RESULTS: Along the extent of RCA, the median distance between centres of arteries varied from 2 to 9mm with similar patterns over pairs of oncologists. For the LMCA-LAD the median distance varied from 1 to 4mm. The estimated maximum radiation doses showed an ICC variation from 0.82 to 0.97. CONCLUSION: The coronary arteries can be reliably identified and delineated as OARs in BC RT. The spatial variance is limited and the total variation in radiation dose is almost completely determined by the between patient variation. PMID- 27866850 TI - Deubiquitination and Stabilization of PD-L1 by CSN5. AB - Pro-inflammatory cytokines produced in the tumor microenvironment lead to eradication of anti-tumor immunity and enhanced tumor cell survival. In the current study, we identified tumor necrosis factor alpha (TNF-alpha) as a major factor triggering cancer cell immunosuppression against T cell surveillance via stabilization of programmed cell death-ligand 1 (PD-L1). We demonstrated that COP9 signalosome 5 (CSN5), induced by NF-kappaB p65, is required for TNF-alpha mediated PD-L1 stabilization in cancer cells. CSN5 inhibits the ubiquitination and degradation of PD-L1. Inhibition of CSN5 by curcumin diminished cancer cell PD-L1 expression and sensitized cancer cells to anti-CTLA4 therapy. PMID- 27866852 TI - OmpA: A Flexible Clamp for Bacterial Cell Wall Attachment. AB - The envelope of Gram-negative bacteria is highly complex, containing separate outer and inner membranes and an intervening periplasmic space encompassing a peptidoglycan (PGN) cell wall. The PGN scaffold is anchored non-covalently to the outer membrane via globular OmpA-like domains of various proteins. We report atomically detailed simulations of PGN bound to OmpA in three different states, including the isolated C-terminal domain (CTD), the full-length monomer, or the complete full-length dimeric form. Comparative analysis of dynamics of OmpA CTD from different bacteria helped to identify a conserved PGN-binding mode. The dynamics of full-length OmpA, embedded within a realistic representation of the outer membrane containing full-rough (Ra) lipopolysaccharide, phospholipids, and cardiolipin, suggested how the protein may provide flexible mechanical support to the cell wall. An accurate model of the heterogeneous bacterial cell envelope should facilitate future efforts to develop antibacterial agents. PMID- 27866851 TI - Inhibition of the Glycolytic Activator PFKFB3 in Endothelium Induces Tumor Vessel Normalization, Impairs Metastasis, and Improves Chemotherapy. AB - Abnormal tumor vessels promote metastasis and impair chemotherapy. Hence, tumor vessel normalization (TVN) is emerging as an anti-cancer treatment. Here, we show that tumor endothelial cells (ECs) have a hyper-glycolytic metabolism, shunting intermediates to nucleotide synthesis. EC haplo-deficiency or blockade of the glycolytic activator PFKFB3 did not affect tumor growth, but reduced cancer cell invasion, intravasation, and metastasis by normalizing tumor vessels, which improved vessel maturation and perfusion. Mechanistically, PFKFB3 inhibition tightened the vascular barrier by reducing VE-cadherin endocytosis in ECs, and rendering pericytes more quiescent and adhesive (via upregulation of N-cadherin) through glycolysis reduction; it also lowered the expression of cancer cell adhesion molecules in ECs by decreasing NF-kappaB signaling. PFKFB3-blockade treatment also improved chemotherapy of primary and metastatic tumors. PMID- 27866854 TI - Source apportionment of fine and coarse particles at a roadside and urban background site in London during the 2012 summer ClearfLo campaign. AB - London, like many major cities, has a noted air pollution problem, and a better understanding of the sources of airborne particles in the different size fractions will facilitate the implementation and effectiveness of control strategies to reduce air pollution. Thus, the trace elemental composition of the fine and coarse fraction were analysed at hourly time resolution at urban background (North Kensington, NK) and roadside (Marylebone Road, MR) sites within central London. Unlike previous work, the current study focuses on measurements during the summer providing a snapshot of contributing sources, utilising the high time resolution to improve source identification. Roadside enrichment was observed for a large number of elements associated with traffic emissions (Al, S, Ca, Ti, V, Cr, Mn, Fe, Ni, Cu, Zn, As, Rb and Zr), while those elements that are typically from more regional sources (e.g. Na, Cl, S and K) were not found to have an appreciable increment. Positive Matrix Factorization (PMF) was applied for the source apportionment of the particle mass at both sites with similar sources being identified, including sea salt, airborne soil, traffic emissions, secondary inorganic aerosols and a Zn-Pb source. In the fine fraction, traffic emissions was the largest contributing source at MR (31.9%), whereas it was incorporated within an "urban background" source at NK, which had contributions from wood smoke, vehicle emissions and secondary particles. Regional sources were the major contributors to the coarse fraction at both sites. Secondary inorganic aerosols (which contained influences from shipping emissions and coal combustion) source factors accounted for around 33% of the PM10 at NK and were found to have the highest contributions from regional sources, including from the European mainland. Exhaust and non-exhaust sources both contribute appreciably to PM10 levels at the MR site, highlighting the continuing importance of vehicle-related air pollutants at roadside. PMID- 27866853 TI - Functional Annotation of Ion Channel Structures by Molecular Simulation. AB - Ion channels play key roles in cell membranes, and recent advances are yielding an increasing number of structures. However, their functional relevance is often unclear and better tools are required for their functional annotation. In sub nanometer pores such as ion channels, hydrophobic gating has been shown to promote dewetting to produce a functionally closed (i.e., non-conductive) state. Using the serotonin receptor (5-HT3R) structure as an example, we demonstrate the use of molecular dynamics to aid the functional annotation of channel structures via simulation of the behavior of water within the pore. Three increasingly complex simulation analyses are described: water equilibrium densities; single ion free-energy profiles; and computational electrophysiology. All three approaches correctly predict the 5-HT3R crystal structure to represent a functionally closed (i.e., non-conductive) state. We also illustrate the application of water equilibrium density simulations to annotate different conformational states of a glycine receptor. PMID- 27866855 TI - Possible emissions of POPs in plain and hilly areas of Nepal: Implications for source apportionment and health risk assessment. AB - Ambient air is a core media chosen for monitoring under the Stockholm Convention on POPs. While extensive monitoring of POPs in ambient air has been carried out in some parts of the globe, there are still regions with very limited information available, such as some developing countries as Nepal. This study therefore aims to target the occurrence of selected POPs in Nepal in suspected source areas/more densely populated regions. Four potential source regions in Nepal were furthermore targeted as it was hypothesized that urban areas at lower altitudes (Birgunj and Biratnagar located at approximately 86 and 80 m.a.s.l.) would be potentially more affected by OCPs because of more intensive agricultural activities in comparison to urban areas at higher altitudes (Kathmandu, Pokhara located 1400 and 1135 m.a.s.l). As some of these areas could also be impacted by LRAT, air mass back trajectories during the sampling period were additionally evaluated using HYSPLIT. The concentrations of overall POPs were twice as high in plain areas in comparison to hilly areas. DDTs and HCHs were most frequently detected in the air samples. The high p,p'-DDT/(pp'-DDE + pp'-DDD) ratio as well as the low o,p'-DDT/p,p'-DDT ratio observed in this study was inferred as continuing use of technical DDT. High levels of ?26PCBs were linked to proximity to highly urbanized and industrial areas, indicating the potential source of PCBs. The measured concentrations of legacy POPs in air from this study is assumed to represent a negligible health risk through inhalation of ambient air, however, other modes of human exposure could still be relevant in Nepal. The air mass backward trajectory analysis revealed that most of the air masses sampled originated from India and the Bay of Bengal. PMID- 27866856 TI - Free tissue transfer in patients with sickle cell disease: Considerations for multi-disciplinary peri-operative management. AB - INTRODUCTION AND AIMS: Sickle cell disease (SCD) is an increasingly common condition in the UK. The safety of free tissue transfer in these patients is controversial, and no specific guidelines exist. The aim of this paper is to create recommendations for the plastic surgical multidisciplinary team for use in the assessment and management of SCD patients undergoing free tissue transfer and reconstruction. METHOD: A literature review was performed in PubMed of 'sickle [TiAb] AND plast* adj3 surg*. RESULTS: Sickle cell disease is explained, as is the relative peri-operative risk in different genotypes of SCD. Acute and chronic manifestations of SCD are described by system, for consideration at pre-operative assessment and post-operative review. The evidence surrounding free tissue transfer and SCD is discussed and the outcomes in published cases summarised. An algorithm for peri-operative multi-disciplinary management is outlined and justified. CONCLUSION: Free tissue transfer theoretically carries a high risk of a crisis, due not only to long anaesthetic times, but the potential requirement for tourniquet use, and the relatively hypoxic state of the transferred tissue. This paper outlines a useful, practical algorithm to optimise the safety of free tissue transfer in patients with SCD. PMID- 27866857 TI - Cognitive impairment in Parkinson's disease. PMID- 27866859 TI - Trastuzumab emtansine for HER2-positive breast cancer. PMID- 27866858 TI - Clinical variables and biomarkers in prediction of cognitive impairment in patients with newly diagnosed Parkinson's disease: a cohort study. AB - BACKGROUND: Parkinson's disease is associated with an increased incidence of cognitive impairment and dementia. Predicting who is at risk of cognitive decline early in the disease course has implications for clinical prognosis and for stratification of participants in clinical trials. We assessed the use of clinical information and biomarkers as predictive factors for cognitive decline in patients with newly diagnosed Parkinson's disease. METHODS: The Parkinson's Progression Markers Initiative (PPMI) study is a cohort study in patients with newly diagnosed Parkinson's disease. We evaluated cognitive performance (Montreal Cognitive Assessment [MoCA] scores), demographic and clinical data, APOE status, and biomarkers (CSF and dopamine transporter [DAT] imaging results). Using change in MoCA scores over 2 years, MoCA scores at 2 years' follow-up, and a diagnosis of cognitive impairment (combined mild cognitive impairment or dementia) at 2 years as outcome measures, we assessed the predictive values of baseline clinical variables and separate or combined additions of APOE status, DAT imaging, and CSF biomarkers. We did univariate and multivariate linear analyses with MoCA change scores between baseline and 2 years, and with MoCA scores at 2 years as dependent variables, using backwards linear regression analysis. Additionally, we constructed a prediction model for diagnosis of cognitive impairment using logistic regression analysis. FINDINGS: 390 patients with Parkinson's disease recruited between July 1, 2010, and May 31, 2013, and for whom data on MoCA scores at baseline and 2 years were available. In multivariate analyses, baseline age, University of Pennsylvania Smell Inventory Test (UPSIT) scores, CSF amyloid (Abeta42) to t-tau ratio, and APOE status were associated with change in MoCA scores over time. Baseline age, MoCA and UPSIT scores, and CSF Abeta42 to t-tau ratio were associated with MoCA score at 2 years (using a backwards p-removal threshold of 0.1). Accuracy of prediction of cognitive impairment using age alone (area under the curve 0.68, 95% CI 0.60-0.76) significantly improved by addition of clinical scores (UPSIT, Rapid Eye Movement Sleep Behaviour Disorder Screening Questionnaire [RBDSQ], Geriatric Depression Scale, and Movement Disorder Society Unified Parkinson's Disease Rating Scale motor scores; 0.76, 0.68-0.83), CSF variables (0.74, 0.68-0.81), or DAT imaging results (0.76, 0.68-0.83). In combination, the five variables showing the most significant associations with cognitive impairment (age, UPSIT, RBDSQ, CSF Abeta42, and caudate uptake on DAT imaging) allowed prediction of cognitive impairment at 2 years (0.80, 0.74-0.87; p=0.0003 compared to age alone). INTERPRETATION: In newly diagnosed Parkinson's disease, the occurrence of cognitive impairment at 2 year follow-up can be predicted with good accuracy using a model combining information on age, non motor assessments, DAT imaging, and CSF biomarkers. FUNDING: None. PMID- 27866860 TI - Hyperprogressive disease with anti-PD-1 and anti-PD-L1. PMID- 27866861 TI - Outcomes after transplantation of lungs preserved for more than 12 h: a retrospective study. AB - BACKGROUND: Ex-vivo lung perfusion (EVLP) can be used to extend overall lung preservation time by splitting one long cold ischaemic time into two shorter ones and interposing an additional EVLP time. We assessed the outcomes after clinical transplantation of lungs with more than 12 h of preservation time. METHODS: For this retrospective study, we searched the Toronto Lung Transplant Program database for patients who had received at least one lung transplant between Jan 1, 2006, and April 30, 2015, at a single hospital in Toronto, Canada. We split the identified patients into those with a total preservation time of more than 12 h and those with a total preservation time of less than 12 h to act as the control group. Total preservation time was defined as the sum of first cold ischaemic time, EVLP time, and second cold ischaemic time. We excluded patients if they had received a heart-lung transplant or were younger than 18 years. In bilateral lung transplantations, we used the longer preservation time of the two lungs for analysis. Lung preservation was done according to present standards of care and EVLP was done according to the Toronto EVLP technique. The primary outcomes were survival and International Society for Heart and Lung Transplantation Primary Graft Dysfunction (PGD) grade at 72 h post transplantation. We compared outcomes with our control group using univariable and multivariable models. FINDINGS: We identified 906 patients who met eligibility criteria and had sufficient data for analysis (<12 h group [n=809]; mean lung preservation time 400.8 min [SD 121.8] vs >12 h group [n=97]; 875.7 min [109.0]). Median hospital and intensive-care unit length of stay were similar between the less than 12 h group and the more than 12 h group (hospital stay: 23 days [16-42] vs 25.5 days [17-50.25], p=0.60; intensive-care unit stay: 4 days [2 14] vs 4 days [2-16], p=0.53). PGD grade was also not different between the two groups at 72 h post-transplantation (p=0.85). There was also no difference in survival between the two groups as shown on Kaplan-Meier survival curves (p=0.61). Multivariable survival analysis using Cox's model showed increasing recipient age to be a significant variable affecting survival. INTERPRETATION: Extension of graft preservation time beyond 12 h with EVLP does not negatively affect early lung transplantation outcomes. Extension of clinical lung preservation times might allow for more transplantations to be done as a result of improved facilitation and increased flexibility around timing of lung transplantation operations. FUNDING: None. PMID- 27866863 TI - IL-2 complex treatment amplifies CD8+ T cell mediated immunity following herpes simplex virus-1 infection. AB - CD8+ T cells play an important role in controlling numerous virus infections and some tumors and therefore several strategies have been adopted to modulate CD8+ T cell responses. One such approach includes treatment with IL-2 bound to a monoclonal antibody against IL-2 (IL-2 complex) which was shown to enhance CD8+ T cell responses and provide protection against some cancers and pathogens. This report analyses the value of IL-2 complex therapy to protect against a cutaneous virus infection as occurs with herpes simplex virus-1 (HSV-1) infection. Treatment with IL-2 complex after infection reduced virus levels and lesion severity in a zosteriform model of HSV infection in mice. Furthermore, IL-2 complex treatment expanded HSV-1-gB epitope-specific CD8+ T cells, IFN-gamma and TNF-alpha producing CD8+ T cells as well as cells that produced more than one cytokine. In addition, IL-2 complex therapy recipients showed enhanced cytolytic activity of CD8+ T cells as shown by increased granzyme B expression and lytic granule release. Taken, together, these studies demonstrate that IL-2 complex therapy can be useful to boost protection against a cutaneous virus infection. PMID- 27866864 TI - Anatomical, histochemical and immunohistochemical characterisation of the cardiac outflow tract of the silver arowana, Osteoglossum bicirrhosum (Teleostei: Osteoglossiformes). AB - The cardiac outflow tract of chondrichthyans and actinopterygians is composed of a myocardial conus arteriosus and a non-myocardial bulbus arteriosus. In teleosts, the conus has been subjected to a reduction in size over the evolution in conjunction with the further development of the bulbus. Most studies on the outflow tract of the teleost heart refer to species of modern groups and are mainly devoted to the bulbus. Knowledge on the outflow tract of species belonging to early teleost groups is scarce. The aim here was to characterise the structure of the cardiac outflow tract of the silver arowana, a representative of the ancient teleost clade of the Osteoglossomorpha. The material consisted of hearts from six juvenile animals. The cardiac outflow tract of the silver arowana is composed of a conus, which supports two conal valves, and a bulbus. Both components are lined externally by the epicardium and internally by the endocardium. The conus is immunoreactive to antibodies against myosin heavy chains and is composed of compact myocardium, thus contrasting with the ventricle, which has exclusively trabeculated myocardium. The bulbus is immunoreactive to antibodies against smooth muscle alpha-actin and mainly consists of elastic fibres and smooth muscle cells, both arranged in three layers, outer, middle and inner. The most remarkable feature of the bulbus is the presence of two prominent longitudinal ridges, dorsal and ventral, at the luminal side, which serve to anchor the commissures of the conal valves. This arrangement has not been described so far in any fish species. Pigment cells, presumably of neural crest origin, are present in the subepicardium of the bulbus and anterior part of the ventricle. PMID- 27866862 TI - Extraordinary long-term and fluctuating persistence of Ebola virus RNA in semen of survivors in Guinea: implications for public health. PMID- 27866865 TI - Accelerated Partial Breast Irradiation: Executive summary for the update of an ASTRO Evidence-Based Consensus Statement. AB - PURPOSE: To update the accelerated partial breast irradiation Consensus Statement published in 2009 and provide guidance on use of intraoperative radiation therapy (IORT) for partial breast irradiation in early-stage breast cancer, based on published evidence complemented by expert opinion. METHODS AND MATERIALS: A systematic PubMed search using the same terms as the original Consensus Statement yielded 419 articles; 44 articles were selected. The authors synthesized the published evidence and, through a series of conference calls and e-mails, reached consensus regarding the recommendations. RESULTS: The new recommendations include lowering the age in the "suitability group" from 60 to 50 years and in the "cautionary group" to 40 years for patients who meet all other elements of suitability (Table 1). Patients with low-risk ductal carcinoma in situ, as per Radiation Therapy Oncology Group 9804 criteria, were categorized in the "suitable" group. The task force agreed to maintain the current criteria based on margin status. Recommendations for the use of IORT for breast cancer patients include: counseling patients regarding the higher risk of ipsilateral breast tumor recurrence with IORT compared with whole breast irradiation; the need for prospective monitoring of long-term local control and toxicity with low-energy radiograph IORT given limited follow-up; and restriction of IORT to women with invasive cancer considered "suitable." CONCLUSION: These recommendations will provide updated clinical guidance regarding use of accelerated partial breast irradiation for radiation oncologists and other specialists participating in the care of breast cancer patients. PMID- 27866866 TI - Assessment of oral ivermectin versus shampoo in the treatment of pediculosis (head lice infestation) in rural areas of Sine-Saloum, Senegal. AB - Reports of treatment failure and the emergence of resistance to topical head lice treatments have become increasingly common, driving the need for continued development of new therapeutic options for pediculosis. Ivermectin has been proposed as a potential alternative for the treatment of pediculosis but has not been sufficiently evaluated. In this study, the effectiveness of oral ivermectin versus shampoo in the treatment of pediculosis in Senegal was compared. The study was conducted in two neighbouring villages of Sine-Saloum, Senegal: Dielmo (ivermectin trial group; 201 female participants) and Ndiop (shampoo trial group; 239 female participants). In the ivermectin group, patients received two doses of oral ivermectin (400 ug/kg body weight; Mectizan(r)) 7 days apart. In contrast, the shampoo group received a shampoo treatment based on d-phenothrin (0.23%; Hegor(r)). At the beginning of the study, 70 (34.8%) of 201 participants in the ivermectin group were infested by head lice versus 145 (60.7%) of 239 participants in the shampoo group. At Day 15 post-treatment, the efficacy of the treatment against head lice reached 41/53 (77.4%) in the ivermectin group (53 patients were tested in this group) versus 42/130 (32.3%) in the shampoo group (130 patients were tested in this group) (P <10-7). However, 4 (7.5%) of the 53 females in the ivermectin group exhibited probable ivermectin treatment failure, suggesting the emergence of ivermectin-resistant lice. This study demonstrates that oral ivermectin is highly effective for the treatment of pediculosis compared with shampoo, but also suggests that ivermectin resistance may emerge during treatment. PMID- 27866867 TI - Impact of mild patient prosthesis mismatch on quality of life in patients with preserved ejection fraction after isolated aortic valve replacement for aortic stenosis. AB - AIM: To analyze whether PPM affects QOL and functional status in patients after isolated AVR for aortic stenosis (AS) with preserved left ventricular ejection fraction (LVEF). METHODS: Consecutive patients who underwent AVR in University Hospital Center Zagreb for isolated severe symptomatic AS and preserved EF were enrolled. Echo data was obtained from complete transthoracic examinations prior and after surgery by offline analysis. Patients were divided into two groups according to the presence of PPM (effective orifice area (EOA)/body surface area (BSA)<0,85cm2/m2). QOL was assessed by telephone interview using Short Form 36 Item Health Survey (SF-36) along with functional NYHA status estimation. RESULTS: A total of 45 pts were included (23 female), and divided in PPM (n=26), and non PPM group (n=19). Both groups were similar in pts age, LVEF, AVA/BSA prior surgery. After surgery, 57% of pts had PPM categorized as mild PPM. During follow up of 2,5years, 3 pts had died and 10 were lost from following. There was no difference in NYHA status after surgery between groups (p=0,758). SF36 results showed no difference between groups. However, there was a significant improvement in Physical functioning (47,50% vs 75,47%,p=0,000) and Role limitation due to physical health (41,41% vs 81,25%, p=0,007) scores in the whole study population after AVR. Males had significantly better Energy/fatigue (p=0,034), Social functioning (p=0,004) and Pain (p=0,017) scores. CONCLUSIONS: Mild to moderate PPM showed no clinical relevance. All patients revealed improvement in QOL after AVR, while male sex was related to better functioning scores irrespectively of PPM. PMID- 27866870 TI - Commentary to "Management of undescended testes: European Association of Urology/European Society for Paediatric Urology Guidelines". PMID- 27866869 TI - Clinical characteristics and outcomes of Yemeni patients with acute heart failure aged 50years or younger: Data from Gulf Acute Heart Failure Registry (Gulf CARE). AB - AIMS: There is a shortage of data about acute heart failure (AHF) in the young, including its underlying causes, clinical presentation and outcomes. We aim to describe clinical characteristics, causes and outcomes of AHF in Yemeni patients aged 50years or younger. METHODS AND RESULTS: we evaluated Yemeni patients with AHF enrolled in Gulf CARE registry. Patients were divided into two groups: young patients (<=50years) and older patients (>50years). A total of 1536 patients with AHF were enrolled, of whom 635 (41.3%) were 50years old or younger. The mean age for this group was 38.8 (+/-9.5) years; and 399 (62.8%) were males. Younger patients had a higher prevalence of non-ischemic cardiomyopathy (41% vs 11.1%, p<0.001), primary valvular disease (27.9% vs 3.2%, p<0.001), viral myocarditis (0.8% vs 0, p<0.001). Ischemic heart disease (61.6% vs 25.5%, p<0.001) and hypertensive heart disease (18.3% vs 6.3%, p<0.001) were more frequent in the elderly group. Cardiogenic shock was more frequent among younger patients (13.7% vs 7.0, p<0.001). In-hospital mortality was higher in patient aged <=50years (12% vs 7.6%, p=0.002) while no difference in all-cause mortality was present at 3months (17.8 vs 14.5, p=0.089) and after 1year (21.9% vs 20.6%, p=0.56). CONCLUSION: This analysis of Gulf CARE registry represents the largest report of patients admitted with AHF in Yemen. There were differences among cause of HF and precipitating factors of AHF among younger and elderly patients. Younger patients had higher in-hospital mortality and more severe clinical condition at admission. PMID- 27866868 TI - Lack of evidence of lower 30-day all-cause readmission in Medicare beneficiaries with heart failure and reduced ejection fraction discharged on spironolactone. AB - BACKGROUND: Therapy with evidence-based heart failure (HF) medications has been shown to be associated with lower risk of 30-day all-cause readmission in patients with HF and reduced ejection fraction (HFrEF). METHODS: We examined the association of aldosterone antagonist use with 30-day all-cause readmission in this population. Of the 2443 Medicare beneficiaries with HF and left ventricular EF <=35% discharged home from 106 Alabama hospitals during 1998-2001, 2060 were eligible for spironolactone therapy (serum creatinine <=2.5 for men and <=2mg/dl for women, and serum potassium <5mEq/L). After excluding 186 patients already receiving spironolactone on admission, the inception cohort consisted of 1874 patients eligible for a new discharge prescription for spironolactone, of which 329 received one. Using propensity scores for initiation of spironolactone therapy, we assembled a matched cohort of 324 pairs of patients receiving and not receiving spironolactone balanced on 34 baseline characteristics (mean age 72years, 42% women, 33% African American). RESULTS: Thirty-day all-cause readmission occurred in 17% and 19% of matched patients receiving and not receiving spironolactone, respectively (hazard ratio [HR], 0.92; 95% confidence interval [CI], 0.64-1.32; p=0.650). Spironolactone had no association with 30-day all-cause mortality (HR, 0.84; 95% CI, 0.38-1.88; p=0.678) or HF readmission (HR, 0.74; 95% CI, 0.41 1.31; p=0.301). These associations remained unchanged during 12months of post-discharge follow-up. CONCLUSION: A discharge prescription for spironolactone had no association with 30-day all-cause readmission among older, hospitalized Medicare beneficiaries with HFrEF eligible for spironolactone therapy. PMID- 27866871 TI - Endoscopic ultrasound of pancreatic tumors. AB - Computed tomography (CT) and endoscopic ultrasound (EUS) are the two most effective techniques for the assessment of pancreatic cancers. CT has revolutionized the field of tumor imaging in pancreatic cancer and is now a well established imaging technique for diagnosis and staging. However, EUS still plays an important role in several situations, especially when the diagnosis is uncertain or when histopathological confirmation of the lesion is needed. Similarly, regarding cystic lesions, magnetic resonance imaging and CT have very good performances but are often inadequate because the diagnosis can be difficult to establish, while the consequences for the patient are major. New biopsy needles, the use of elastography and ultrasonographic contrast agents, and confocal laser endomicroscopy can also provide additional and essential information to improve diagnosis confidence of pancreatic lesions with EUS. PMID- 27866872 TI - Commitment issues: PrEP adherence in injecting drug users. PMID- 27866873 TI - Factors associated with the uptake of and adherence to HIV pre-exposure prophylaxis in people who have injected drugs: an observational, open-label extension of the Bangkok Tenofovir Study. AB - BACKGROUND: Results of the randomised, double-blind, placebo-controlled Bangkok Tenofovir Study (BTS) showed that taking tenofovir daily as pre-exposure prophylaxis (PrEP) can reduce the risk of HIV infection by 49% in people who inject drugs. In an extension to the trial, participants were offered 1 year of open-label tenofovir. We aimed to examine the demographic characteristics, drug use, and risk behaviours associated with participants' uptake of and adherence to PrEP. METHODS: In this observational, open-label extension of the BTS (NCT00119106), non-pregnant, non-breastfeeding, HIV-negative BTS participants, all of whom were current or previous injecting drug users at the time of enrolment in the BTS, were offered daily oral tenofovir (300 mg) for 1 year at 17 Bangkok Metropolitan Administration drug-treatment clinics. Participant demographics, drug use, and risk behaviours were assessed at baseline and every 3 months using an audio computer-assisted self-interview. HIV testing was done monthly and serum creatinine was assessed every 3 months. We used logistic regression to examine factors associated with the decision to take daily tenofovir as PrEP, the decision to return for at least one PrEP follow-up visit, and greater than 90% adherence to PrEP. FINDINGS: Between Aug 1, 2013, and Aug 31, 2014, 1348 (58%) of the 2306 surviving BTS participants returned to the clinics, 33 of whom were excluded because they had HIV (n=27) or grade 2-4 creatinine results (n=6). 798 (61%) of the 1315 eligible participants chose to start open-label PrEP and were followed up for a median of 335 days (IQR 0-364). 339 (42%) participants completed 12 months of follow-up; 220 (28%) did not return for any follow-up visits. Participants who were 30 years or older (odds ratio [OR] 1.8, 95% CI 1.4-2.2; p<0.0001), injected heroin (OR 1.5, 1.1-2.1; p=0.007), or had been in prison (OR 1.7, 1.3-2.1; p<0.0001) during the randomised trial were more likely to choose PrEP than were those without these characteristics. Participants who reported injecting heroin or being in prison during the 3 months before open-label enrolment were more likely to return for at least one open label follow-up visit than those who did not report injecting heroin (OR 3.0, 95 % CI 1.3-7.3; p=0.01) or being in prison (OR 2.3, 1.4-3.7; p=0.0007). Participants who injected midazolam or were in prison during open-label follow-up were more likely to be greater than 90% adherent than were those who did not inject midazolam (OR 2.2, 95% CI 1.2-4.3; p=0.02) or were not in prison (OR 4.7, 3.1-7.2; p<0.0001). One participant tested positive for HIV, yielding an HIV incidence of 2.1 (95% CI 0.05-11.7) per 1000 person-years. No serious adverse events related to tenofovir use were reported. INTERPRETATION: More than 60% of returning, eligible BTS participants started PrEP, which indicates that a substantial proportion of PWID who are knowledgeable about PrEP might be interested in taking it. Participants who had injected heroin or been in prison were more likely to choose to take PrEP, suggesting that participants based their decision to take PrEP, at least in part, on their perceived risk of incident HIV infection. FUNDING: US Centers for Disease Control and Prevention and the Bangkok Metropolitan Administration. PMID- 27866874 TI - PAR1 Scaffolds TGFbetaRII to Downregulate TGF-beta Signaling and Activate ESC Differentiation to Endothelial Cells. AB - We studied the function of the G-protein-coupled receptor PAR1 in mediating the differentiation of mouse embryonic stem cells (mESCs) to endothelial cells (ECs) that are capable of inducing neovascularization. We observed that either deletion or activation of PAR1 suppressed mouse embryonic stem cell (mESC) differentiation to ECs and neovascularization in mice. This was mediated by induction of TGFbetaRII/TGFbetaRI interaction, forming an active complex, which in turn induced SMAD2 phosphorylation. Inhibition of TGF-beta signaling in PAR1-deficient mESCs restored the EC differentiation potential of mESCs. Thus, PAR1 in its inactive unligated state functions as a scaffold for TGFbetaRII to downregulate TGF-beta signaling, and thereby promote ESC transition to functional ECs. The PAR1 scaffold function in ESCs is an essential mechanism for dampening TGF-beta signaling and regulating ESC differentiation. PMID- 27866875 TI - p53 and p73 Regulate Apoptosis but Not Cell-Cycle Progression in Mouse Embryonic Stem Cells upon DNA Damage and Differentiation. AB - Embryonic stem cells (ESCs) are fast proliferating cells capable of differentiating into all somatic cell types. In somatic cells, it is well documented that p53 is rapidly activated upon DNA damage to arrest the cell cycle and induce apoptosis. In mouse ESCs, p53 can also be functionally activated, but the precise biological consequences are not well characterized. Here, we demonstrated that doxorubicin treatment initially led to cell-cycle arrest at G2/M in ESCs, followed by the occurrence of massive apoptosis. Neither p53 nor its target gene p73 was required for G2/M arrest. Instead, p53 and p73 were fully responsible for apoptosis. p53 and p73 were also required for differentiation induced apoptosis in mouse ESCs. In addition, doxorubicin treatment induced the expression of retinoblastoma protein in a p53-dependent manner. Therefore, both p53 and p73 are critical in apoptosis induced by DNA damage and differentiation. PMID- 27866877 TI - [Resistant or refractory arterial hypertension?] PMID- 27866876 TI - PRDM14 Drives OCT3/4 Recruitment via Active Demethylation in the Transition from Primed to Naive Pluripotency. AB - Primordial germ cells (PGCs) are specified from epiblast cells in mice. Genes associated with naive pluripotency are repressed in the transition from inner cell mass to epiblast cells, followed by upregulation after PGC specification. However, the molecular mechanisms underlying the reactivation of pluripotency genes are poorly characterized. Here, we exploited the in vitro differentiation of epiblast-like cells (EpiLCs) from embryonic stem cells (ESCs) to elucidate the molecular and epigenetic functions of PR domain-containing 14 (PRDM14). We found that Prdm14 overexpression in EpiLCs induced their conversion to ESC-like cells even in the absence of leukemia inhibitory factor in adherent culture. This was impaired by the loss of Kruppel-like factor 2 and ten-eleven translocation (TET) proteins. Furthermore, PRDM14 recruited OCT3/4 to the enhancer regions of naive pluripotency genes via TET-base excision repair-mediated demethylation. Our results provide evidence that PRDM14 establishes a transcriptional network for naive pluripotency via active DNA demethylation. PMID- 27866878 TI - [Integrated Management Area of Vascular Risk: A new organisational model for global control of risk factors]. AB - Cardiovascular disease (CVD), is a major cause of morbidity and mortality that increases the cost of care. Currently there is a low degree of control of the main cardiovascular risk factors, although we have a good therapeutic arsenal. To achieve the improvement of this reality, a good coordination and multidisciplinary participation are essential. The development of new organizational models such as the Integrated Management Area of Vascular Risk can facilitate the therapeutic harmonization and unification of the health messages offered by different levels of care, based on clinical practice guidelines, in order to provide patient-centred integrated care. PMID- 27866879 TI - Differences in bite force between dolichofacial and brachyfacial individuals: Side of mastication, gender, weight and height. AB - PURPOSE: Due to the bite force importance in functionality of the masticatory system, this study aimed to characterize it in dolichofacial and brachyfacial individuals. METHODS: A sample comprised by 190 patients was divided into two groups: 90 severe dolichofacial, and 100 severe brachyfacial individuals classified according to the VERT index and the face height ratio (Jarabak quotient). Bite force was measured by using an adjusted digital dynamometer and proper methodology. RESULTS: The sample met the parametric assumptions and presented statistical significance when right and left sides of dolichofacial and brachyfacial individuals were compared. However, within the same group, no differences between the left and right sides were found. Generally, bite force was higher for male, left masticator, age between 41-50 years, weighing over 100kg and between 1.81 and 1.90m tall. CONCLUSIONS: Based on the results of this cross-sectional study, it was possible to conclude that the bite force in severe brachyfacial individuals was significantly higher than in severe dolichofacial individuals, being influenced by gender, weight and height. PMID- 27866880 TI - Efficacy of Sterile Fecal Filtrate Transfer for Treating Patients With Clostridium difficile Infection. AB - BACKGROUND & AIMS: Fecal microbiota transplantation (FMT) is a highly effective therapy for recurrent Clostridium difficile infection (CDI). However, transferring undefined living bacteria entails uncontrollable risks for infectious and metabolic or malignant diseases, particularly in immunocompromised patients. We investigated whether sterile fecal filtrates (containing bacterial debris, proteins, antimicrobial compounds, metabolic products, and oligonucleotides/DNA), rather than intact microorganisms, are effective in patients with CDI. METHODS: We performed a clinical case series to investigate the effects of fecal filtrate transfer (FFT) in 5 patients with symptomatic chronic-relapsing CDI at the Department of Internal Medicine I at the University Hospital Schleswig-Holstein (Kiel, Germany). Patients were followed up for at least 6 months and for up to 33 months. Stool was collected from 5 donors selected by the patients, and fully characterized according to FMT standards. Stool was sterile-filtered to remove small particles and bacteria; the filtrate was transferred to patients in a single administration via nasojejunal tube. Fecal samples were collected from patients before and at 1 week and 6 weeks after FFT. Microbiome, virome, and proteome profiles of donors and patients were compared. RESULTS: In all 5 patients, FFT restored normal stool habits and eliminated symptoms of CDI for a minimum period of 6 months. Proteome analyses of selected FFT filtrates showed no obvious protein candidates associated with therapeutic efficacy. 16S ribosomal RNA gene sequencing detected diverse bacterial DNA signatures in the filtrates. Analysis of virus-like particles from a filtrate found to reduce symptoms of CDI showed a complex signature of bacteriophages. Bacterial phylogeny and virome profile analyses of fecal samples from recipients indicated longitudinal changes in microbial and viral community structures after FFT. CONCLUSIONS: A preliminary investigation of 5 patients with CDI shows that transfer of sterile filtrates from donor stool (FFT), rather than fecal microbiota, can be sufficient to restore normal stool habits and eliminate symptoms. This finding indicates that bacterial components, metabolites, or bacteriophages mediate many of the effects of FMT, and that FFT might be an alternative approach, particularly for immunocompromised patients. PMID- 27866881 TI - [Failure to patients with appointments in primary care]. PMID- 27866882 TI - Commentary on "The Endovascular Sealing Device in Combination with Parallel Grafts for Treatment of Juxta/Suprarenal Abdominal Aortic Aneurysms: Short-term Results of a Novel Alternative". PMID- 27866883 TI - Comparison of contraction among three dermal substitutes: Morphological differences in scaffolds. AB - Various kinds of synthetic dermal substitutes are produced and used in clinical application and contribute to wound bed preparation for subsequent skin grafting. Although their appearance and outcomes are different, the criteria for the selection of proper synthetic dermal substitutes is not well defined yet. In this study, we focused on the contraction of dermal substitutes and compared the morphological differences in scaffolds. A marked contraction was observed with Pelnac(r) compared to Integra(r) and Terudermis(r) in vitro. We also showed that the pore size of Pelnac(r) was smaller than that of Integra(r) and Terudermis(r). The shape of the pore was oval in Pelnac(r), whereas those in Integra(r) and Terudermis(r) were more circular. Differences in the morphological structure may have affected the contraction of the synthetic dermal substitutes. PMID- 27866884 TI - MicroRNA biomarkers of pancreatic injury in a canine model. AB - Pancreas-enriched microRNAs have been experimentally investigated in rodents as candidate serum biomarkers of pancreatic injury with several different acute pancreatic injury models. In the present study, temporal and magnitude responses of exocrine pancreas-enriched miR-216a, miR-216b, and miR-217 and endocrine enriched miR-375 and miR-148a were measured by droplet digital PCR in serum in a caerulein model of pancreatic injury in the dog. All 5 microRNAs followed a similar time course that mirrored the responses of the conventional serum pancreatic injury biomarkers, amylase and lipase. Detection was improved through the use of assays designed against microRNA isomers (isomirs) identified by sequencing. Serum biomarker increases were concordant with histopathology defined acinar cell injury. Minimal islet cell changes were noted. The pancreas-enriched microRNAs demonstrated similar or greater sensitivity, a larger range of response, and a higher correlation to acinar cell injury compared to amylase and lipase. Our results further support the translational potential of pancreas enriched microRNAs as sensitive biomarkers of acinar cell injury with evidence from an additional non-clinical model system. PMID- 27866885 TI - Surgical Planning for Flexor Digitorum Longus Tendon Transfers: An Anatomic Study. AB - Posterior tibial tendon dysfunction is often coupled with various degrees of hindfoot valgus and equinus. Preoperative planning is essential to appropriate procedure choice and surgical efficiency. The purpose of the present study was to assess the anatomy at the harvest site for flexor digitorum longus tendon transfer, specifically at the master knot of Henry. Thirty fresh-frozen below-the knee cadavers were used for dissection. A standard anatomic approach was performed for posterior tibial tendon debridement and flexor digitorum longus tendon transfer. The flexor digitorum longus tendon was harvested and measured at the master knot of Henry. The present anatomic study evaluated the tendon width of the flexor digitorum longus tendon at a common harvest site. Of the 30 specimens, 20 (67%) measured 5 mm and 10 (33%) measured 4 mm. A 5.0-mm interference screw would be acceptable in each specimen and therefore would be the safest choice. A 4.0-mm interference screw would be acceptable in only 33% of the specimens. Males have a slightly more robust flexor digitorum longus tendon than females at the harvest site. This information will assist surgeons in preoperative planning during stage II flatfoot correction for posterior tibial tendon dysfunction. PMID- 27866886 TI - Concomitant Contracture of the Knee and Ankle Joint After Gastrocnemius Muscle Rupture: A Case Report. AB - Injury of the medial head of the gastrocnemius, also called "tennis leg," is known to heal uneventfully in most cases with compression and immobilization therapy. Failure to heal or long-term complications, including ongoing pain and pes equinus, have been documented in only a limited number of case reports. To the best of our knowledge, a severe concomitant contracture of the knee and ankle joint as a consequence of a maltreated gastrocnemius muscle rupture has not been previously reported in English-language reports. The purpose of the present study was to report a serious complication of neglected tennis leg with a review of the published data. PMID- 27866887 TI - Quality of Early Union After First Metatarsophalangeal Joint Arthrodesis. AB - The aim of the present retrospective cohort study was to assess the quality of union and the clinical outcomes in patients who had undergone first metatarsophalangeal joint (MTPJ) fusion using a dorsal plate and plantar lag screw. From March 2011 to December 2012, the clinical and radiographic data of 39 patients (41 feet) who had undergone first MTPJ fusion using a compressive locking plate were retrospectively reviewed. All patients had undergone postoperative computed tomography at 6 weeks postoperatively to assess union. The average metatarsophalangeal angles improved from 23 degrees +/- 16 degrees preoperatively to 14 degrees +/- 5 degrees postoperatively. The dorsiflexion of the hallux at the preoperative assessment averaged 17 degrees +/- 11 degrees and 23 degrees +/- 5 degrees postoperatively. At 6 weeks postoperatively, the computed tomography scans demonstrated 3 complete fusions (7.3 %) and 38 partial unions (92.7%). Also at 6 weeks, the mean +/- standard deviation joint bridging was 54% +/- 14.6%. The forefoot American Orthopaedic Foot and Ankle Society scale score had improved significantly from 50 +/- 13 preoperatively to 80 +/- 7 at >1 year of follow-up (p = .001). Hardware removal was performed in 8 cases because of pain in 7 and infection in 1. Revision arthrodesis was required in 2 cases because of nonunion. At 6 weeks postoperatively, partial bony joint bridging could be observed in most cases after arthrodesis of the first MTPJ with the dorsal fusion plate. PMID- 27866888 TI - Comparative Analysis of Ciliary Membranes and Ectosomes. AB - Primary and motile cilia/flagella function as cellular antennae, receiving signals from the environment and subsequently activating signaling pathways that are critical for cellular homeostasis and differentiation [1-3]. Recent work with the green alga Chlamydomonas and the nematode C. elegans demonstrated that ectosomes can be released from the cilium and can mediate the intercellular communication [4-9]. To better understand the function of flagellar ectosomes, we have compared their protein composition to that of the flagellar membrane from which they are derived. Ectosomes released from flagella have a unique protein composition, being enriched in a subset of flagellar membrane proteins, proteases, proteins from the endosomal sorting complex required for transport (ESCRT) [10-12], small GTPases, and ubiquitinated proteins. Live imaging showed that an ESCRT-related protein (PDCD6) was enriched in ectosomes released from flagella during gamete activation. We devised a sensitive and rapid assay to monitor ectosome release using luciferase fused to PDCD6 and a mutated ubiquitin. Ectosome release increased when cells underwent flagellar resorption. Knockdown of two ESCRT-related proteins, PDCD6 and VPS4, attenuated ectosome release during flagellar shortening and shortening was slowed. These data suggest that the ESCRT proteins mediate ectosome release and thereby influence flagellar shortening in Chlamydomonas. In addition, the prevalence of receptors such as agglutinin and ubiquitinated proteins in ciliary ectosomes suggests that they are involved in cell signaling and turnover of ciliary proteins. PMID- 27866890 TI - Genome Sequence of a 5,310-Year-Old Maize Cob Provides Insights into the Early Stages of Maize Domestication. AB - The complex evolutionary history of maize (Zea mays L. ssp. mays) has been clarified with genomic-level data from modern landraces and wild teosinte grasses [1, 2], augmenting archaeological findings that suggest domestication occurred between 10,000 and 6,250 years ago in southern Mexico [3, 4]. Maize rapidly evolved under human selection, leading to conspicuous phenotypic transformations, as well as adaptations to varied environments [5]. Still, many questions about the domestication process remain unanswered because modern specimens do not represent the full range of past diversity due to abandonment of unproductive lineages, genetic drift, on-going natural selection, and recent breeding activity. To more fully understand the history and spread of maize, we characterized the draft genome of a 5,310-year-old archaeological cob excavated in the Tehuacan Valley of Mexico. We compare this ancient sample against a reference panel of modern landraces and teosinte grasses using D statistics, model-based clustering algorithms, and multidimensional scaling analyses, demonstrating the specimen derives from the same source population that gave rise to modern maize. We find that 5,310 years ago, maize in the Tehuacan Valley was on the whole genetically closer to modern maize than to its wild counterpart. However, many genes associated with key domestication traits existed in the ancestral state, sharply contrasting with the ubiquity of derived alleles in living landraces. These findings suggest much of the evolution during domestication may have been gradual and encourage further paleogenomic research to address provocative questions about the world's most produced cereal. PMID- 27866889 TI - The Mechanism Forming the Cell Surface of Tip-Growing Rooting Cells Is Conserved among Land Plants. AB - To discover mechanisms that controlled the growth of the rooting system in the earliest land plants, we identified genes that control the development of rhizoids in the liverwort Marchantia polymorpha. 336,000 T-DNA transformed lines were screened for mutants with defects in rhizoid growth, and a de novo genome assembly was generated to identify the mutant genes. We report the identification of 33 genes required for rhizoid growth, of which 6 had not previously been functionally characterized in green plants. We demonstrate that members of the same orthogroup are active in cell wall synthesis, cell wall integrity sensing, and vesicle trafficking during M. polymorpha rhizoid and Arabidopsis thaliana root hair growth. This indicates that the mechanism for constructing the cell surface of tip-growing rooting cells is conserved among land plants and was active in the earliest land plants that existed sometime more than 470 million years ago [1, 2]. PMID- 27866891 TI - Confidence Is the Bridge between Multi-stage Decisions. AB - Demanding tasks often require a series of decisions to reach a goal. Recent progress in perceptual decision-making has served to unite decision accuracy, speed, and confidence in a common framework of bounded evidence accumulation, furnishing a platform for the study of such multi-stage decisions. In many instances, the strategy applied to each decision, such as the speed-accuracy trade-off, ought to depend on the accuracy of the previous decisions. However, as the accuracy of each decision is often unknown to the decision maker, we hypothesized that subjects may carry forward a level of confidence in previous decisions to affect subsequent decisions. Subjects made two perceptual decisions sequentially and were rewarded only if they made both correctly. The speed and accuracy of individual decisions were explained by noisy evidence accumulation to a terminating bound. We found that subjects adjusted their speed-accuracy setting by elevating the termination bound on the second decision in proportion to their confidence in the first. The findings reveal a novel role for confidence and a degree of flexibility, hitherto unknown, in the brain's ability to rapidly and precisely modify the mechanisms that control the termination of a decision. PMID- 27866893 TI - Effective Connectivity Reveals Largely Independent Parallel Networks of Face and Body Patches. AB - The primate brain processes objects in the ventral visual pathway. One object category, faces, is processed in a hierarchical network of interconnected areas along this pathway. It remains unknown whether such an interconnected network is specific for faces or whether there are similar networks for other object classes. For example, the primate inferotemporal cortex also contains a set of body-selective patches, adjacent to the face-selective patches, but it is not known whether these body-selective patches form a similar discretely connected network or whether cross-talk exists between the face- and body-processing systems. To address these questions, we combined fMRI with electrical microstimulation to determine the effective connectivity of fMRI-defined face and body patches. We found that microstimulation of face patches caused increased fMRI activation throughout the face-processing system; microstimulation of the body patches gave similar results restricted to the body-processing system. Critically, our results revealed largely segregated connectivity patterns for the body and face patches. These results suggest that face and body patches form two interconnected hierarchical networks that are largely separated within the monkey inferotemporal cortex. Only a restricted number of voxels were activated by stimulation of both the body and face patches. The latter regions may be important for the integration of face and body information. Our findings are not only essential to advance our understanding of the neural circuits that enable social cognition, but they also provide further insights into the organizing principles of the inferotemporal cortex. PMID- 27866892 TI - Tropomyosin and Profilin Cooperate to Promote Formin-Mediated Actin Nucleation and Drive Yeast Actin Cable Assembly. AB - Tropomyosins comprise a large family of actin-binding proteins with critical roles in diverse actin-based processes [1], but our understanding of how they mechanistically contribute to actin filament dynamics has been limited. We addressed this question in S. cerevisiae, where tropomyosins (Tpm1 and Tpm2), profilin (Pfy1), and formins (Bni1 and Bnr1) are required for the assembly of an array of actin cables that facilitate polarized vesicle delivery and daughter cell growth. Formins drive cable formation by promoting actin nucleation and by accelerating actin filament elongation together with profilin [2]. In contrast, how tropomyosins contribute mechanistically to cable formation has been unclear, but genetic studies demonstrate that Tpm1 plays a more important role than Tpm2 [3, 4]. Here, we found that loss of TPM1 in strains lacking BNR1, but not BNI1, leads to severe defects in cable formation, polarized secretion, and cell growth, suggesting that TPM1 function is required for proper Bni1-mediated cable assembly. Furthermore, in vitro total internal reflection fluorescence (TIRF) microscopy demonstrated that Tpm1 strongly enhances Bni1-mediated, but not Bnr1 mediated, actin nucleation without affecting filament elongation rate, whereas Tpm2 has no effects on Bni1 or Bnr1. Tpm1 stimulation of Bni1-mediated nucleation also requires profilin and its interactions with both G-actin and formins. Together, these results demonstrate that yeast Tpm1 works in concert with profilin to promote formin-dependent nucleation of actin cables, thus expanding our understanding of how specific tropomyosin isoforms influence actin dynamics. PMID- 27866894 TI - SYP73 Anchors the ER to the Actin Cytoskeleton for Maintenance of ER Integrity and Streaming in Arabidopsis. AB - The endoplasmic reticulum (ER) is an essential organelle that spreads throughout the cytoplasm as one interconnected network of narrow tubules and dilated cisternae that enclose a single lumen. The ER network undergoes extensive remodeling, which critically depends on membrane-cytoskeleton interactions [1]. In plants, the ER is also highly mobile, and its streaming contributes significantly to the movement of other organelles [2, 3]. The remodeling and motility of the plant ER rely mainly on actin [4] and to a minor extent on microtubules [5]. Although a three-way interaction between the ER, cytosolic myosin-XI, and F-actin mediates the plant ER streaming [6], the mechanisms underlying stable interaction of the ER membrane with actin are unknown. Early electron microscopy studies suggested a direct attachment of the plant ER with actin filaments [7, 8], but it is plausible that yet-unknown proteins facilitate anchoring of the ER membrane with the cytoskeleton. We demonstrate here that SYP73, a member of the plant Syp7 subgroup of SNARE proteins [9] containing actin binding domains, is a novel ER membrane-associated actin-binding protein. We show that overexpression of SYP73 causes a striking rearrangement of the ER over actin and that, similar to mutations of myosin-XI [4, 10, 11], loss of SYP73 reduces ER streaming and affects overall ER network morphology and plant growth. We propose a model for plant ER remodeling whereby the dynamic rearrangement and streaming of the ER network depend on the propelling action of myosin-XI over actin coupled with a SYP73-mediated bridging, which dynamically anchors the ER membrane with actin filaments. PMID- 27866895 TI - Empty Niches after Extinctions Increase Population Sizes of Modern Corals. AB - Large environmental fluctuations often cause mass extinctions, extirpating species and transforming communities [1, 2]. While the effects on community structure are evident in the fossil record, demographic consequences for populations of individual species are harder to evaluate because fossils reveal relative, but not absolute, abundances. However, genomic analyses of living species that have survived a mass extinction event offer the potential for understanding the demographic effects of such environmental fluctuations on extant species. Here, we show how environmental variation since the Pliocene has shaped demographic changes in extant corals of the genus Orbicella, major extant reef builders in the Caribbean that today are endangered. We use genomic approaches to estimate previously unknown current and past population sizes over the last 3 million years. Populations of all three Orbicella declined around 2-1 million years ago, coincident with the extinction of at least 50% of Caribbean coral species. The estimated changes in population size are consistent across the three species despite their ecological differences. Subsequently, two shallow water specialists expanded their population sizes at least 2-fold, over a time that overlaps with the disappearance of their sister competitor species O. nancyi (the organ-pipe Orbicella). Our study suggests that populations of Orbicella species are capable of rebounding from reductions in population size under suitable conditions and that the effective population size of modern corals provides rich standing genetic variation for corals to adapt to climate change. For conservation genetics, our study suggests the need to evaluate genetic variation under appropriate demographic models. PMID- 27866896 TI - Performance of the irregular surface compensator compared with four-field box and intensity modulated radiation therapy for gynecologic cancer. AB - PURPOSE: A retrospective planning study was undertaken to evaluate the dosimetric advantages of the irregular surface compensator (ISC) technique, a forward planning technique with electronic compensation algorithm available on Varian Eclipse treatment planning system. This was extensively compared to the conventional four-field box (4FB) and intensity modulated radiation therapy using 5 fields (IMRT5F) on gynecologic cancer patients. METHODS: Twenty-two patients were enrolled. The prescribed dose was 50.4Gy in 28 fractions to the primary target including pelvic lymph nodes. 4FB treatment plans were generated, then fluence of anterior and posterior fields were modified to generate ISC plans. IMRT5F were inversely optimized with equally spaced five coplanar fields. Dose volume parameters were evaluated for the comparison of three planning techniques. The MU and delivery time were also estimated. RESULTS: In terms of target coverage, the conformity and homogeneity index of ISC (1.67 and 1.03, respectively) were superior to those of 4FB (2.43 and 1.06, respectively) but slightly inferior to those of IMRT5F (1.10 and 1.02, respectively). ISC also illustrated an overall improvement in normal organ saving. Compared to 4FB, the mean dose of the rectum was reduced by about 4.0-5.0Gy with ISC and IMRT5F. The volume receiving large doses was reduced for bladder with statistical significance with ISC and more with IMRT5F relative to 4FB. The mean number of MU per fraction were 200.86 (4FB), 446.09 (ISC) and 895.59 (IMRT5F). CONCLUSION: The ISC technique has the superior target coverage and healthy tissue sparing in comparison with conventional 4FB and comparable normal organ saving compared to IMRT5F. The ISC can be an available option for gynecologic radiotherapy. PMID- 27866897 TI - Dosimetric and bremsstrahlung performance of a single convergent beam for teletherapy device. AB - The present work investigates preliminary feasibility and characteristics of a new type of radiation therapy modality based on a single convergent beam of photons. The proposal consists of the design of a device capable of generating convergent X-ray beams useful for radiotherapy. The main goal is to achieve high concentrated dose delivery. The first step is an analytical approach in order to characterize the dosimetric performance of the hypothetical convergent photon beam. Then, the validated FLUKA Monte Carlo main code is used to perform complete radiation transport to account also for scattering effects. The proposed method for producing convergent X-rays is mainly based on the bremsstrahlung effect. Hence the operating principle of the proposed device is described in terms of bremsstrahlung production. The work is mainly devoted characterizing the effect on the bremsstrahlung yield due to accessories present in the device, like anode material and geometry, filtration and collimation systems among others. The results obtained for in-depth dose distributions, by means of analytical and stochastic approaches, confirm the presence of a high dose concentration around the irradiated target, as expected. Moreover, it is shown how this spot of high dose concentration depends upon the relevant physical properties of the produced convergent photon beam. In summary, the proposed design for producing single convergent X-rays attained satisfactory performance for achieving high dose concentration around small targets depending on beam spot size that may be used for some applications in radiotherapy, like radiosurgery. PMID- 27866899 TI - Potential of compact Compton sources in the medical field. AB - The exceptional improvement of high power lasers and optical cavity finesses in the last fifteen years allows today the development of X-ray sources based on inverse Compton scattering. These compact sources will provide high intensity beams, with a tunable energy in the range 20-100keV, that can be used in several application including material sciences, structural biology, cultural heritage research and preservation and medical or biomedical preclinical and clinical research. The access to these devices will be easier. Methods currently used only in synchrotron facilities will be available in dedicated work environment such as hospitals, laboratories or museums. Several machines are in design or construction phase, and aim at producing 1012-1014ph/s. The ThomX machine is the most advanced project and has the potential to be used as the radiation source for biomedical searches, clinical imaging techniques or radiotherapy programs. PMID- 27866898 TI - Optimizing dose enhancement with Ta2O5 nanoparticles for synchrotron microbeam activated radiation therapy. AB - Microbeam Radiation Therapy (MRT) exploits tumour selectivity and normal tissue sparing with spatially fractionated kilovoltage X-ray microbeams through the dose volume effect. Experimental measurements with Ta2O5 nanoparticles (NPs) in 9L gliosarcoma treated with MRT at the Australian Synchrotron, increased the treatment efficiency. Ta2O5 NPs were observed to form shells around cell nuclei which may be the reason for their efficiency in MRT. In this article, our experimental observation of NP shell formation is the basis of a Geant4 radiation transport study to characterise dose enhancement by Ta2O5 NPs in MRT. Our study showed that NP shells enhance the physical dose depending microbeam energy and their location relative to a single microbeam. For monochromatic microbeam energies below ~70keV, NP shells show highly localised dose enhancement due to the short range of associated secondary electrons. Low microbeam energies indicate better targeted treatment by allowing higher microbeam doses to be administered to tumours and better exploit the spatial fractionation related selectivity observed with MRT. For microbeam energies above ~100keV, NP shells extend the physical dose enhancement due to longer-range secondary electrons. Again, with NPs selectively internalised, the local effectiveness of MRT is expected to increase in the tumour. Dose enhancement produced by the shell aggregate varied more significantly in the cell population, depending on its location, when compared to a homogeneous NP distribution. These combined simulation and experimental data provide first evidence for optimising MRT through the incorporation of newly observed Ta2O5 NP distributions within 9L cancer cells. PMID- 27866902 TI - The atypical antipsychotic olanzapine disturbs depotentiation by modulating mAChRs and impairs reversal learning. AB - Antipsychotic medication is an essential component for treating schizophrenia, which is a serious mental disorder that affects approximately 1% of the global population. Olanzapine (Olz), one of the most frequently prescribed atypical antipsychotics, is generally considered a first-line drug for treating schizophrenia. In contrast to psychotic symptoms, the effects of Olz on cognitive symptoms of schizophrenia are still unclear. In addition, the mechanisms by which Olz affects the neural circuits associated with cognitive function are unknown. Here we show that Olz interrupts depotentiation (reversal of long-term potentiation) without disturbing de novo LTP (long-term potentiation) and LTD (long-term depression). At hippocampal SC-CA1 synapses, inhibition of NMDARs (N methyl-d-aspartate receptors), mGluRs (metabotropic glutamate receptors), or mAChRs (muscarinic acetylcholine receptors) disrupted depotentiation. In addition, co-activation of NMDARs, mGluRs, and mAChRs reversed stably expressed LTP. Olz inhibits the activation of mAChRs, which amplifies glutamate signaling through enhanced NMDAR opening and Gq (Gq class of G protein)-mediated signal transduction. Behaviorally, Olz impairs spatial reversal learning of mice in the Morris water maze test. Our results uncover a novel mechanism underpinning the cognitive modulation of Olz and show that the anticholinergic property of Olz affects glutamate signaling and synaptic plasticity. PMID- 27866900 TI - A Viral Deamidase Targets the Helicase Domain of RIG-I to Block RNA-Induced Activation. AB - RIG-I detects double-stranded RNA (dsRNA) to trigger antiviral cytokine production. Protein deamidation is emerging as a post-translational modification that chiefly regulates protein function. We report here that UL37 of herpes simplex virus 1 (HSV-1) is a protein deamidase that targets RIG-I to block RNA induced activation. Mass spectrometry analysis identified two asparagine residues in the helicase 2i domain of RIG-I that were deamidated upon UL37 expression or HSV-1 infection. Deamidation rendered RIG-I unable to sense viral dsRNA, thus blocking its ability to trigger antiviral immune responses and restrict viral replication. Purified full-length UL37 and its carboxyl-terminal fragment were sufficient to deamidate RIG-I in vitro. Uncoupling RIG-I deamidation from HSV-1 infection, by engineering deamidation-resistant RIG-I or introducing deamidase deficient UL37 into the HSV-1 genome, restored RIG-I activation and antiviral immune signaling. Our work identifies a viral deamidase and extends the paradigm of deamidation-mediated suppression of innate immunity by microbial pathogens. PMID- 27866903 TI - Emerging concepts in T follicular helper cell responses to malaria. AB - Antibody responses to malaria and candidate malaria vaccines are short-lived in children, leaving them susceptible to repeated malaria episodes. Because T follicular helper (TFH) cells provide critical help to B cells to generate long lived antibody responses, they have become the focus of recent studies of Plasmodium-infected mice and humans. The emerging data converge on common themes, namely, that malaria-induced TH1 cytokines are associated with the activation of (i) T-like memory TFH cells with impaired B cell helper function, and (ii) pre TFH cells that acquire Th1-like features (T-bet expression, IFN-gamma production), which impede their differentiation into fully functional TFH cells, thus resulting in germinal center dysfunction and suboptimal antibody responses. Deeper knowledge of TFH cells in malaria could illuminate strategies to improve vaccines through modulating TFH cell responses. This review summarizes emerging concepts in TFH cell responses to malaria. PMID- 27866901 TI - Histones Are Rapidly Loaded onto Unintegrated Retroviral DNAs Soon after Nuclear Entry. AB - Chromosomal structure of nuclear DNA is usually maintained by insertion of nucleosomes into preexisting chromatin, both on newly synthesized DNA at replication forks and at sites of DNA damage. But during retrovirus infection, a histone-free DNA copy of the viral genome is synthesized that must be loaded with nucleosomes de novo. Here, we show that core histones are rapidly loaded onto unintegrated Moloney murine leukemia virus DNAs. Loading of nucleosomes requires nuclear entry, but does not require viral DNA integration. The histones associated with unintegrated DNAs become marked by covalent modifications, with a delay relative to the time of core histone loading. Expression from unintegrated DNA can be enhanced by modulation of the histone-modifying machinery. The data show that histone loading onto unintegrated DNAs occurs very rapidly after nuclear entry and does not require prior establishment of an integrated provirus. PMID- 27866904 TI - Assessment of the national schistosomiasis control program in a typical region along the Yangtze River, China. AB - Schistosomiasis remains a major public health problem in eastern China, particularly along the Yangtze River Basin. The latest national schistosomiasis control program (NSCP) was implemented in 2005 with the main goal of reducing the rate of infection to less than 5% by 2008 and 1% by 2015. To assess the progress, we applied a Bayesian spatio-temporal model to describe dynamics of schistosomiasis in Guichi, Anhui Province, China, using annual parasitological and environmental data collected within 41 sample villages for the period 2005 2011. Predictive maps of schistosomiasis showed that the disease prevalence remains constant and low. Results of uncertainty analysis, in the form of probability contour maps (PCMs), indicated that the first goal of "infection rate less than 5% by 2008" was fully achieved in the study area. More longitudinal data for schistosomiasis are needed for the assessment of the second goal of "infection rate less than 1% by 2015". Compared with the traditional way of mapping uncertainty (e.g., variance or mean-square error), our PCMs provide more realistic information for schistosomiasis control. PMID- 27866905 TI - KirrelL, a member of the Ig-domain superfamily of adhesion proteins, is essential for fusion of primary mesenchyme cells in the sea urchin embryo. AB - In the sea urchin embryo, primary mesenchyme cells (PMCs) adhere to one another and fuse via filopodia, forming cable-like structures within which skeletal rods are deposited. Although this process was first described more than a century ago, molecules that participate in PMC adhesion and fusion have not been identified. Here we show that KirrelL, a PMC-specific, Ig domain-containing transmembrane protein, is essential for PMC fusion, probably by mediating filopodial adhesions that are a pre-requisite for subsequent membrane fusion. We show that KirrelL is not required for PMC specification, migration, or for direct filopodial contacts between PMCs. In the absence of KirrelL, however, filopodial contacts do not result in fusion. kirrelL is a member of a family of closely related, intronless genes that likely arose through an echinoid-specific gene expansion, possibly via retrotransposition. Our findings are significant in that they establish a direct linkage between the transcriptional network deployed in the PMC lineage and an effector molecule required for a critically important PMC morphogenetic process. In addition, our results point to a conserved role for Ig domain-containing adhesion proteins in facilitating cell fusion in both muscle and non-muscle cell lineages during animal development. PMID- 27866906 TI - Successful closure of a cryotherapy-induced bleeding jejunal perforation with the over-the-scope clip system. PMID- 27866907 TI - Radiofrequency ablation for intraductal extension of ampullary neoplasms. AB - BACKGROUND AND AIMS: Extension of ampullary adenomas into the common bile duct (CBD) or pancreatic duct (PD) may be difficult to treat endoscopically. We evaluated the feasibility, safety, and efficacy of endoscopic radiofrequency ablation (RFA) in the management of ampullary neoplasms with intraductal extension. METHODS: This was a multicenter, retrospective analysis of all patients with intraductal extension of ampullary neoplasms treated with endoscopic RFA between February 2012 and June 2015. Treatment success was defined as the absence of detectable intraductal polyps by ductography, visual inspection, and biopsy sampling. RESULTS: Fourteen patients with adenoma extension into the CBD (13 +/- 7 mm, n = 14) and PD (7 +/- 2 mm, n = 3) underwent a median of 1 RFA sessions (range, 1-5). Additional modalities (thermal probes, argon plasma coagulation, and/or photodynamic therapy) were also used in 7 patients, and prophylactic stents were routinely placed. Thirteen assessable patients underwent a median of 2 surveillance ERCPs after completion of treatment over a median follow-up of 16 months (range, 5-46), with intraductal biopsy specimens showing no neoplasm in 12 patients at the conclusion of endoscopic treatment. Treatment success was achieved in 92%, including 100% of those treated with RFA alone. Adverse events occurred in 43% and included ductal strictures (5 patients) and retroduodenal abscess (1 patient), all of which were successfully treated endoscopically. CONCLUSIONS: Endoscopic RFA, alone or in combination with other modalities, may effectively treat intraductal extension of ampullary neoplasms. Ductal strictures were common after RFA but responded to endoscopic stent therapy. RFA may be appropriate in selected patients, particularly when the main treatment alternative is pancreaticoduodenectomy. PMID- 27866908 TI - Biosynthetic Pathway Connects Cryptic Ribosomally Synthesized Posttranslationally Modified Peptide Genes with Pyrroloquinoline Alkaloids. AB - In an era where natural product biosynthetic gene clusters can be rapidly identified from sequenced genomes, it is unusual for the biosynthesis of an entire natural product class to remain unknown. Yet, the genetic determinates for pyrroloquinoline alkaloid biosynthesis have remained obscure despite their abundance and deceptive structural simplicity. In this work, we have identified the biosynthetic gene cluster for ammosamides A-C, pyrroloquinoline alkaloids from Streptomyces sp. CNR-698. Through direct cloning, heterologous expression and gene deletions we have validated the ammosamide biosynthetic gene cluster and demonstrated that these seemingly simple molecules are derived from a surprisingly complex set of biosynthetic genes that are also found in the biosynthesis of lymphostin, a structurally related pyrroloquinoline alkaloid from Salinispora and Streptomyces. Our results implicate a conserved set of genes driving pyrroloquinoline biosynthesis that consist of genes frequently associated with ribosomal peptide natural product biosynthesis, and whose exact biochemical role remains enigmatic. PMID- 27866909 TI - Unsaturated Fatty Acid Synthesis in the Gastric Pathogen Helicobacter pylori Proceeds via a Backtracking Mechanism. AB - Helicobacter pylori is a Gram-negative bacterium that inhabits the upper gastrointestinal tract in humans, and the presence of this pathogen in the gut microbiome increases the risk of peptic ulcers and stomach cancer. H. pylori depends on unsaturated fatty acid (UFA) biosynthesis for maintaining membrane structure and function. Although some of the H. pylori enzymes involved in UFA biosynthesis are functionally homologous with the enzymes found in Escherichia coli, we show here that an enzyme HP0773, now annotated as FabX, uses an unprecedented backtracking mechanism to not only dehydrogenate decanoyl-acyl carrier protein (ACP) in a reaction that parallels that of acyl-CoA dehydrogenase, the first enzyme of the fatty acid beta-oxidation cycle, but also isomerizes trans-2-decenoyl-ACP to cis-3-decenoyl-ACP, the key UFA synthetic intermediate. Thus, FabX reverses the normal fatty acid synthesis cycle in H. pylori at the C10 stage. Overall, this unusual FabX activity may offer a broader explanation for how many bacteria that lack the canonical pathway enzymes produce UFA-containing phospholipids. PMID- 27866911 TI - Structural Insight into the Enzymatic Formation of Bacterial Stilbene. AB - In contrast to stilbene biosynthesis by type III polyketide synthase in plants, in bacteria stilbene is produced by the collaboration of two enzymes in Photorhabdus luminescens: the unusual beta-ketosynthase StlD catalyzes the condensation of the beta-ketoacyl starter with an alpha,beta-unsaturated-acyl substrate (two C-C bond-forming reactions) to produce isopropylstyrylcyclohexanedione, which is subsequently converted to stilbene by the aromatase StlC. Here we report the in vitro characterizations of StlD and StlC, and the X-ray crystal structures of StlD. Interestingly, structure-based mutagenesis demonstrated that His302, within the conserved Cys-His-Asn triad, is not essential for the enzyme reaction, while Glu154 functions as a base-catalyst to activate the beta-ketoacyl intermediate bound to the catalytic Cys126. The structures also revealed the presence of a putative nucleophilic water molecule activated by hydrogen bond networks with Glu154 and Ser340, suggesting that StlD employs novel catalytic machinery for the condensation of two acyl substrates to produce the cyclohexanedione scaffold. PMID- 27866910 TI - Proteome-wide Profiling of Clinical PARP Inhibitors Reveals Compound-Specific Secondary Targets. AB - Poly(ADP-ribose) polymerase (PARP) inhibitors (PARPi) are a promising class of targeted cancer drugs, but their individual target profiles beyond the PARP family, which could result in differential clinical use or toxicity, are unknown. Using an unbiased, mass spectrometry-based chemical proteomics approach, we generated a comparative proteome-wide target map of the four clinical PARPi, olaparib, veliparib, niraparib, and rucaparib. PARPi as a class displayed high target selectivity. However, in addition to the canonical targets PARP1, PARP2, and several of their binding partners, we also identified hexose-6-phosphate dehydrogenase (H6PD) and deoxycytidine kinase (DCK) as previously unrecognized targets of rucaparib and niraparib, respectively. Subsequent functional validation suggested that inhibition of DCK by niraparib could have detrimental effects when combined with nucleoside analog pro-drugs. H6PD silencing can cause apoptosis and further sensitize cells to PARPi, suggesting that H6PD may be, in addition to its established role in metabolic disorders, a new anticancer target. PMID- 27866912 TI - Investigation of candidate genes for osteoarthritis based on gene expression profiles. AB - OBJECTIVE: To explore the mechanism of osteoarthritis (OA) and provide valid biological information for further investigation. METHODS: Gene expression profile of GSE46750 was downloaded from Gene Expression Omnibus database. The Linear Models for Microarray Data (limma) package (Bioconductor project, http://www.bioconductor.org/packages/release/bioc/html/limma.html) was used to identify differentially expressed genes (DEGs) in inflamed OA samples. Gene Ontology function enrichment analysis and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways enrichment analysis of DEGs were performed based on Database for Annotation, Visualization and Integrated Discovery data, and protein-protein interaction (PPI) network was constructed based on the Search Tool for the Retrieval of Interacting Genes/Proteins database. Regulatory network was screened based on Encyclopedia of DNA Elements. Molecular Complex Detection was used for sub-network screening. Two sub-networks with highest node degree were integrated with transcriptional regulatory network and KEGG functional enrichment analysis was processed for 2 modules. RESULTS: In total, 401 up- and 196 down-regulated DEGs were obtained. Up-regulated DEGs were involved in inflammatory response, while down-regulated DEGs were involved in cell cycle. PPI network with 2392 protein interactions was constructed. Moreover, 10 genes including Interleukin 6 (IL6) and Aurora B kinase (AURKB) were found to be outstanding in PPI network. There are 214 up- and 8 down-regulated transcription factor (TF)-target pairs in the TF regulatory network. Module 1 had TFs including SPI1, PRDM1, and FOS, while module 2 contained FOSL1. The nodes in module 1 were enriched in chemokine signaling pathway, while the nodes in module 2 were mainly enriched in cell cycle. CONCLUSION: The screened DEGs including IL6, AGT, and AURKB might be potential biomarkers for gene therapy for OA by being regulated by TFs such as FOS and SPI1, and participating in the cell cycle and cytokine-cytokine receptor interaction pathway. PMID- 27866913 TI - Minimally invasive plate osteosynthesis with PHILOS plate for proximal humerus fractures. AB - OBJECTIVES: The aim of the present study was to evaluate results, including clinical and radiological outcomes and number of complications, following minimally invasive plate osteosynthesis (MIPO) of proximal humerus fractures, using the PHILOS(r) proximal humerus internal locking system (Synthes Holding AG, Solothurn, Switzerland). METHODS: Retrospectively evaluated were 31 patients treated with MIPO (12 male, 19 female; average age: 58.4 years). Four patients had 2-part fractures, 14 patients had 3-part fractures, and 13 patients had 4 part fractures, according to Neer classification. Healing, complications, and head-shaft angle (HSA) were radiographically evaluated. Clinical outcomes were assessed at 1-year follow-up with Constant score. RESULTS: Average Constant scores for fractured and normal shoulders were 73.2 +/- 10.9 and 84.8 +/- 5.1, respectively. Varus progression, fracture type, and age had no significant effect on functional outcome. Average postoperative and follow-up HSA's were 130.80 +/- 7.70 and 128.80 +/- 10.00, respectively. Significant varus progression was observed during follow-up (p = 0.01). Varus progression was more prominent in patients with postoperative HSA < 130 degrees (p < 0.001). Inferomedial calcar screw usage, fracture type, and age had no significant effect on varus progression. Complications included 2 implant failures, 1 case of avascular necrosis (AVN), 1 primary screw cut-out, 1 axillary nerve injury, and 1 radial nerve injury (22.6% overall). CONCLUSION: MIPO is a safe and effective option for the treatment of proximal humerus fractures, with good functional recovery and fewer complications, which are typically technique dependent. Reduction may be difficult, resulting in varus progression. Another disadvantage is risk of axillary nerve injury. Careful surgical technique and correct implant selection is important in the prevention of nerve injury. LEVEL OF EVIDENCE: Level IV, Therapeutic study. PMID- 27866914 TI - Short Form Health Survey version-2.0 Turkish (SF-36v2) is an efficient outcome parameter in musculoskeletal research. AB - OBJECTIVE: Although the Short Form Health Survey version-2.0 (SF-36v2) is widely used since 2000, the researchers and clinicians in Turkey have been still using the original version. However, the original version includes many deficiencies and the SF-36v2 was introduced aiming to correct these deficiencies. The purpose of this study is to indicate differences between SF-36 and SF-36v2 and the present cross cultural adaptation, reliability and validity of the SF-36v2. PATIENTS AND METHODS: The SF-36v2 was cross culturally adapted to Turkish and the measurement properties of the Turkish version of the SF-36v2 were tested in 50 patients (19 males; mean +/- SD age: 36.9 +/- 14.6 years; range: 16-65 years, BMI; 24.1 +/- 4.6) with a variety of musculoskeletal pathologies. Intraclass correlation coefficients (ICC) were used to estimate the test-retest reliability. Construct validity was analyzed with SF-36v2 and EuroQol Group (EQ-5D). The distribution of ceiling and floor effects was determined. RESULTS: During the cross-cultural adaptation process many changes were made. The Turkish SF-36v2 subscales showed excellent test-retest reliability which was ranged 0.80 to 0.95. The highest correlation was found between SF-36v2-PCS and SF-36v2-PF (r = 0.75), the lowest correlation was found between SF-36v2-PCS and SF-36v2-MH (r = 0.05). The correlations between EQ-5D and SF-36v2 subscales ranged from 0.10 (SF-36v2 VT) to 0.46 (SF-36v2 -RE). We observed no ceiling and floor effects. CONCLUSION: The cultural adaptation of the SF-36v2 was successful. The SF-36v2 has sufficient reliability and validity to measure a variety of musculoskeletal pathologies for Turkish-speaking individuals. PMID- 27866915 TI - Trends in Transcranial Doppler Monitoring in Aneurysmal Subarachnoid Hemorrhage: A 10-Year Analysis of the Nationwide Inpatient Sample. AB - BACKGROUND: Transcranial Doppler (TCD) is endorsed by national guidelines for use in aneurysmal subarachnoid hemorrhage (aSAH) for surveillance of cerebral vasospasm (CV). However, nationwide data on utilization of TCD for CV detection and monitoring in aSAH are lacking. METHODS: Analysis of nationwide trends in TCD prevalence was performed using Nationwide Inpatient Sample (NIS) data from 2002 to 2011. Raw counts were converted into weighted counts, which were used to generate national estimates. Teaching hospitals were examined separately for TCD utilization rates. All analyses accounted for the complex sampling design and sample discharge weights of the NIS, following Healthcare Cost and Utilization Project-NIS recommendations. The objective was to estimate the proportion of patients with aSAH receiving TCD monitoring using the NIS. RESULTS: Between 2002 and 2011, a total of 256,089 patients were discharged with a diagnosis of aSAH, of which 3850 underwent TCD monitoring. aSAH accounted for an average of 67.1 discharges per 100,000 annually (95% confidence interval [CI] 61.3-72.8). Of these, 1.5% (95% CI 0.4-2.6) underwent TCD examination. In teaching hospitals, aSAH accounted for an average of 108.5 discharges per 100,000 biennially (95% CI, 96.2-120.8), of which 2% (95% CI 1.0-4.0) underwent TCD examination. TCD utilization increased from <1% during the 2002-2005 period to >=1.5% during the 2006-2011 period (odds ratio 2.3, 95% CI 1.0-5.7), an increase also seen in teaching hospitals. CONCLUSIONS: TCD is underused nationally in the care of aSAH. Whereas the prevalence of TCD is low in teaching hospitals, it is nearly nonexistent in nonteaching hospitals. PMID- 27866916 TI - Blood coagulation in immunothrombosis-At the frontline of intravascular immunity. AB - While hemostasis is the physiological process that prevents blood loss after vessel injury, thrombosis is often portrayed as a pathologic event involving blood coagulation and platelet aggregation eventually leading to vascular occlusion and tissue damage. However, recent work suggests that thrombosis can also be a physiological process, termed immunothrombosis, initiated by the innate immune system providing a first line of defense to locally control infection. Fibrin forms the structural basis of immunothrombotic clots and its assembly involves the concerted action of coagulation factors, platelets and leukocytes. Here, we summarize the cellular and molecular events that initiate fibrin formation during the innate immune response and discuss how aberrant activation of these pathways fosters pathologies associated with thrombosis, including disseminated intravascular coagulation and atherothrombosis. PMID- 27866917 TI - PRKAG3 polymorphisms associated with sporadic Wolff-Parkinson-White syndrome among a Taiwanese population. AB - BACKGROUND: The aim of this study was to investigate whether mutation in AMP activated protein kinase (AMPK) subunit genes (PRKAG3-230) is associated with sporadic, isolated Wolff-Parkinson-White (WPW) syndrome. METHODS: This study consisted of 87 patients with symptomatic WPW syndrome and 93 healthy controls. PRKAG3-230 genotypes were determined using real-time polymerase chain reaction assay. Genotype and allele frequencies of PRKAG3-230 between patients with WPW syndrome and healthy controls were ascertained using chi-square test or Fisher exact test when appropriate. RESULTS: PRKAG3-230 were genotyped in 87 patients (53 men and 34 women; age=24.4+/-18.0 years) with WPW syndrome and 93 healthy controls (57 men and 36 women; age=16.8+/-4.2 years). There were no significant differences between the two groups in terms of age and sex. The patients with CG and CG+CC genotypes had a significantly increased risk of WPW syndrome compared with those with GG genotype [odds ratio (OR)=1.99, 95% confidence interval (CI)=1.01-3.89, p=0.045; OR=1.99, 95% CI=1.04-3.78, p=0.037, respectively]. The allelic types were not associated with the risk of WPW syndrome. The patients with manifest type with CG and CG+CC genotypes had a significantly increased risk of WPW syndrome compared with those with GG genotype (OR=2.86, 95% CI=1.16-7.05, p=0.022; OR=2.84, 95% CI=1.19-6.80, p=0.019, respectively). The patients with right-side accessory pathways with CG and CG+CC genotypes had a significantly increased risk of WPW syndrome compared with those with GG genotype (OR=3.07, 95% CI=1.25-7.51, p=0.014; OR=2.84, 95% CI=1.19-6.80, p=0.019, respectively). The allelic types were not associated with the risk of WPW types and locations. CONCLUSION: This study shows that PRKAG3-230 may be associated with sporadic WPW syndrome among a Taiwanese population. Further studies are warranted to elucidate the role of mutations in AMPK subunit genes other than PRKAG3-230 in sporadic WPW syndrome. PMID- 27866918 TI - [Children and adolescents' anxiety disorders]. AB - Anxiety disorders were long underestimated in children by healthcare professionals, but they are now better diagnosed. They account for the most frequent psychiatric diagnosis between 6 and 18 years of age, with differences in prevalence or risk factors related to the clinical forms. Different clinical subtypes of anxiety disorders are detailed in this article: separation anxiety, specific phobia, generalized anxiety, social anxiety, panic disorder, post traumatic stress syndrome, and obsessional-compulsive disorder. The repercussions of anxiety are often major on the psychological, relational, and developmental dimensions, as well as academics. Refusing school for reasons of anxiety is one of the possible and severe consequences of anxiety disorders, possibly resulting in total removal from school and the risk of early and permanent cessation of schooling. Other frequent complications are depression, and substance abuse during adolescence, as well as chronification of the disorders until adulthood. Indeed, adults affected by anxiety disorders frequently place the onset of their disorders at the beginning of adolescence. It is therefore essential to diagnose these disorders as soon as possible to set up an adapted therapeutic strategy. The main first-line treatment currently recommended in the pediatric population is cognitive and behavioral therapy, the efficacy of which has been the most clearly demonstrated. Psychoactive drugs can be used as a complement in severe or resistant cases, mainly serotonin recapture inhibitors. PMID- 27866919 TI - In vitro sensitivity of antimalarial drugs and correlation with clinico parasitological response following treatment with a 3-day artesunate-mefloquine combination in patients with falciparum malaria along the Thai-Myanmar border. AB - A 3-day artesunate-mefloquine combination therapy has been using as first-line treatment for acute uncomplicated Plasmodium falciparum malaria in Thailand since 1995 on the background of mefloquine resistance. The aim of the present study was to assess sensitivity of P. falciparum isolates (n=44) in an area along the Thai Myanmar border (year 2009) to artesunate, mefloquine, chloroquine and quinine, including their correlation with clinico-parasitological response. Twenty, 19, and 5 isolates were collected from patients with 'Adequate Clinical and Parasitological Response (ACPR)', 'Late Parasitological Failure (LPF)' and 're infection', respectively. The IC50 of artesunate and mefloquine were significantly higher in patients with LPF compared with ACPR and re-infection. The proportion of isolates with declined artesunate or mefloquine sensitivity in the LPF group (47.4%) was significantly higher than the ACPR group (5.0%). A weak but statistical significant correlation (r=0.384, p=0.01) was observed between IC50 values of artesunate and parasite clearance time (PCT). There was no significant relationship between in vitro sensitivity of parasite isolates to chloroquine or quinine and clinical response. In vitro susceptibility of P. falciparum isolates to artesunate and mefloquine may be used as a useful reliable tool to predict clinico-pathological response following a 3-day artesunate mefloquine combination therapy. PMID- 27866921 TI - Models of evolution and evolutionary game theory: A comment on "Evolutionary game theory using agent based models" by Christoph Adami, Jory Schossau, Arend Hintze. PMID- 27866920 TI - The orphan nuclear receptor COUP-TFII coordinates hypoxia-independent proangiogenic responses in hepatic stellate cells. AB - BACKGROUND & AIMS: Hepatic stellate cell (HSC) transdifferentiation into collagen producing myofibroblasts is a key event in hepatic fibrogenesis, but the transcriptional network that controls the acquisition of the activated phenotype is still poorly understood. In this study, we explored whether the nuclear receptor chicken ovalbumin upstream promoter-transcription factor II (COUP-TFII) is involved in HSC activation and in the multifunctional role of these cells during the response to liver injury. METHODS: COUP-TFII expression was evaluated in normal and cirrhotic livers by immunohistochemistry and Western blot. The role of COUP-TFII in HSC was assessed by gain and loss of function transfection experiments and by generation of mice with COUP-TFII deletion in HSC. Molecular changes were determined by gene expression microarray and RT-qPCR. RESULTS: We showed that COUP-TFII is highly expressed in human fibrotic liver and in mouse models of hepatic injury. COUP-TFII expression rapidly increased upon HSC activation and it was associated with the regulation of genes involved in cell motility, proliferation and angiogenesis. Inactivation of COUP-TFII impairs proliferation and invasiveness in activated HSC and COUP-TFII deletion in mice abrogate HSC activation and angiogenesis. Finally, co-culture experiments with HSC and liver sinusoidal endothelial cells (SEC) showed that COUP-TFII expression in HSC influenced SEC migration and tubulogenesis via a hypoxia-independent and nuclear factor kappaB-dependent mechanism. CONCLUSION: This study elucidates a novel transcriptional pathway in HSC that is involved in the acquisition of the proangiogenic phenotype and regulates the paracrine signals between HSC and SEC during hepatic wound healing. LAY SUMMARY: In this study, we identified an important regulator of HSC pathobiology. We showed that the orphan receptor COUP TFII is an important player in hepatic neoangiogenesis. COUP-TFII expression in HSC controls the crosstalk between HSC and endothelial cells coordinating vascular remodelling during liver injury. TRANSCRIPT PROFILING: ArrayExpress accession E-MTAB-1795. PMID- 27866922 TI - Disease control framework based on spatial epidemiology: Reply to comments on "Pattern transitions in spatial epidemics: Mechanisms and emergent properties". PMID- 27866923 TI - How to avoid plagiarism, dual publication and data fragmentation. PMID- 27866927 TI - Mesenchymal stem cells transplantation during ex vivo lung perfusion. PMID- 27866925 TI - Extracorporeal membrane oxygenation support and post-heart transplant outcomes among United States adults. AB - BACKGROUND: Patients supported with extracorporeal membrane oxygenation (ECMO) are given priority listing status for heart transplant (HT). Data on post-HT outcomes for adults with ECMO support at the time of HT are limited. METHODS: We analyzed data from the United Network for Organ Registry (UNOS) registry for 157 ECMO-supported adults (age >= 18 years) undergoing HT after January 1, 2000. Data at the time of HT were examined for their association with post-transplant mortality using multivariable Cox proportional hazard analyses. RESULTS: Patients (69.4% males; mean age, 46.0 +/- 15.6 years; 15.9% African Americans) were monitored for median of 0.55 years (interquartile range, 0.04-4.5). Seventy patients (44.6%) died during follow-up (survival at 1 year was 57.8%), of which 43 (61.4%) died within 30 days post-HT. For patients surviving the first 30 days after transplant, long-term survival was acceptable (82.3% at 1 year and 76.2% at 5 years). Prevalence of immediate post-HT complications, such as stroke and need for dialysis, were 10.1% and 28.1%, respectively. Post-HT survival did not differ between those who received an allograft before and after January 1, 2009 (univariate hazard ratio, 0.84; 95% confidence interval, 0.51-1.38; p = 0.48). Among the predictors identified for 30-day and long-term mortality were recipient history of renal insufficiency (RI; defined as estimated glomerular filtration rate < 45 ml/min/1.73 m2 or dialysis) and mechanical ventilation (MV; interaction p < 0.05); those with both MV and RI had significantly poorer post-transplant survival (29.4% and 12.5% for 30-day and 1-year survival, respectively) compared with those without (78.7% and 71.4% for 30-day and 1-year survival, respectively). CONCLUSIONS: Post-HT mortality did not change for ECMO-supported adults in the contemporary era, and those with RI and MV had significantly poorer post-transplant survival. A critical review of priority listing status for ECMO supported patients is warranted for optimal allocation and outcomes of cardiac allografts. PMID- 27866928 TI - Improved waitlist and transplant outcomes for pediatric lung transplantation after implementation of the lung allocation score. AB - BACKGROUND: Although the lung allocation score (LAS) has not been considered valid for lung allocation to children, several additional policy changes for pediatric lung allocation have been adopted since its implementation. We compared changes in waitlist and transplant outcomes for pediatric and adult lung transplant candidates since LAS implementation. METHODS: The United Network for Organ Sharing database was reviewed for all lung transplant listings during the period 1995 to June 2014. Outcomes were analyzed based on date of listing (pre LAS vs post-LAS) and candidate age at listing (adults >18 years, adolescents 12 to 17 years, children 0 to 11 years). RESULTS: Of the 39,962 total listings, 2,096 (5%) were for pediatric candidates. Median waiting time decreased after LAS implementation for all age groups (adults: 379 vs 83 days; adolescents: 414 vs 104 days; children: 211 vs 109 days; p < 0.001). The proportion of candidates reaching transplant increased after LAS (adults: 52.6% vs 71.6%, p < 0.001; adolescents: 40.3% vs 61.6%, p < 0.001; children: 42.4% vs 50.9%, p = 0.014), whereas deaths on the waitlist decreased (adults: 28.0% vs 14.4%, p < 0.001; adolescents: 33.1% vs 20.9%, p < 0.001; children: 32.2% vs 25.0%; p = 0.025), despite more critically ill candidates in all groups. Median recipient survival increased after LAS for adults and children (adults: 5.1 vs 5.5 years, p < 0.001; children: 6.5 vs 7.6 years, p = 0.047), but not for adolescents (3.6 vs 4.3 years, p = 0.295). CONCLUSIONS: Improvements in waiting time, mortality and post transplant survival have occurred in children after LAS implementation. Continued refinement of urgency-based allocation to children and broader sharing of pediatric donor lungs may help to maximize these benefits. PMID- 27866926 TI - Evaluation of humoral immunity profiles to identify heart recipients at risk for development of severe infections: A multicenter prospective study. AB - BACKGROUND: New biomarkers are necessary to improve detection of the risk of infection in heart transplantation. We performed a multicenter study to evaluate humoral immunity profiles that could better enable us to identify heart recipients at risk of severe infections. METHODS: We prospectively analyzed 170 adult heart recipients at 8 centers in Spain. Study points were before transplantation and 7 and 30 days after transplantation. Immune parameters included IgG, IgM, IgA and complement factors C3 and C4, and titers of specific antibody to pneumococcal polysaccharide antigens (anti-PPS) and to cytomegalovirus (CMV). To evaluate potential immunologic mechanisms leading to IgG hypogammaglobulinemia, before heart transplantation we assessed serum B-cell activating factor (BAFF) levels using enzyme-linked immunoassay. The clinical follow-up period lasted 6 months. Clinical outcome was need for intravenous anti microbials for therapy of infection. RESULTS: During follow-up, 53 patients (31.2%) developed at least 1 severe infection. We confirmed that IgG hypogammaglobulinemia at Day 7 (defined as IgG <600 mg/dl) is a risk factor for infection in general, bacterial infections in particular, and CMV disease. At Day 7 after transplantation, the combination of IgG <600 mg/dl + C3 <80 mg/dl was more strongly associated with the outcome (adjusted odds ratio 7.40; 95% confidence interval 1.48 to 37.03; p = 0.014). We found that quantification of anti-CMV antibody titers and lower anti-PPS antibody concentrations were independent predictors of CMV disease and bacterial infections, respectively. Higher pre-transplant BAFF levels were a risk factor of acute cellular rejection. CONCLUSION: Early immunologic monitoring of humoral immunity profiles proved useful for the identification of heart recipients who are at risk of severe infection. PMID- 27866924 TI - Bacterial Pathogens versus Autophagy: Implications for Therapeutic Interventions. AB - Research in recent years has focused significantly on the role of selective macroautophagy in targeting intracellular pathogens for lysosomal degradation, a process termed xenophagy. In this review we evaluate the proposed roles for xenophagy in controlling bacterial infection, highlighting the concept that successful pathogens have evolved ways to subvert or exploit this defense, minimizing the actual effectiveness of xenophagy in innate immunity. Instead, studies in animal models have revealed that autophagy-associated proteins often function outside of xenophagy to influence bacterial pathogenesis. In light of current efforts to manipulate autophagy and the development of host-directed therapies to fight bacterial infections, we also discuss the implications stemming from the complicated relationship that exists between autophagy and bacterial pathogens. PMID- 27866930 TI - Finding Ms or Mr Right: Which miRNA to target in AF? PMID- 27866929 TI - Long-term outcomes of pulmonary arterial hypertension under specific drug therapy in Eisenmenger syndrome. AB - BACKGROUND: The long-term effectiveness of pulmonary arterial hypertension specific drug therapy (PAH-SDT) in Eisenmenger syndrome is controversial. We investigated short-term and long-term hemodynamic changes under PAH-SDT and their associations with outcomes in a bicentric cohort. METHODS: Over 20 years, we included 69 patients with congenital heart disease, an indexed pulmonary vascular resistance (PVRi) >8 WU.m2, and 292 standardized catheterizations at baseline and after PAH-SDT initiation or intensification. Oxygen consumption was measured and the Fick principle applied to calculate indexed pulmonary output (Qpi) and PVRi. RESULTS: After PAH-SDT initiation or intensification, median (interquartile range) PVRi decrease was 5.1 WU.m2 (-1.4, -12.6) (p < 0.0001). Median Qpi and 6 minute walk test increases were +0.4 liter/min/m2 (0.0, +0.9) (p < 0.0001) and +49 m (+15, +93) (p = 0.0003), respectively. Hemodynamic response combining increased Qpi with decreases in transpulmonary gradient and PVRi occurred in 68.0% of patients. After a median of 4.9 years, PVRi and Qpi changes were no longer significant. Over a median of 7.2 years, 23 (33.3%) patients met a composite criterion (death, n = 8; heart-lung transplantation or listing for transplantation, n = 15). The 15-year cumulative event rate was 49.2%. By multivariate analysis, independent predictors of events were superior vena cava oxygen saturation and hemodynamic response (p = 0.048 and p < 0.0001). CONCLUSIONS: In Eisenmenger syndrome, PAH-SDT induces early hemodynamic improvements, which decline over time. Hemodynamic changes under PAH-SDT vary across patients. Hemodynamic parameters at baseline and under PAH-SDT are associated with events. PAH-SDT may need to be individualized based on hemodynamic changes. PMID- 27866931 TI - Key role of endothelium in the eNOS-dependent cardioprotection with exercise training. AB - Modulation of endothelial nitric oxide synthase (eNOS) activation is recognized as a main trigger of the cardioprotective effects of exercise training on heart vulnerability to ischemia-reperfusion (IR). However, this enzyme is expressed both in coronary endothelial cells and cardiomyocytes and the contribution of each one to such cardioprotection has never been challenged. The aim of this study was to investigate the role of eNOS from the cardiomyocytes vs. the endothelium in the exercise cardioprotection. Male Wistar rats were assigned to a chronic aerobic training (Ex) (vs. sedentary group; Sed) and we investigated the role of eNOS in the effects of exercise on sensitivity to IR or anoxia reoxygenation (A/R) at whole heart, isolated cardiomyocytes and left coronary artery (LCA) levels. We observed that exercise increased eNOS activation (Ser1177 phosphorylation) and protein S-nitrosylation in whole heart but not at cardiomyocyte level, suggesting the specific target of endothelial cells by exercise. Consistently, in isolated cardiomyocytes submitted to the A/R procedure, exercise reduced cell death and improved cells contractility, but independently of the eNOS pathway. Next, to evaluate the contribution of endothelial cells in exercise cardioprotection, LCA were isolated before and after an IR procedure performed on Langendorff hearts. Exercise improved basal relaxation sensitivity to acetylcholine and markedly reduced the alteration of endothelium-dependent coronary relaxation induced by IR. Furthermore, inactivation of coronary endothelial cells activity just before IR, obtained with a bolus of Triton X-100, totally suppressed cardioprotective effects of exercise on both left ventricular functional recovery after IR and infarct size, whereas no effect of Triton X-100 was observed in Sed group. In conclusion, these results show that coronary endothelial cells rather than cardiomyocytes play a key role in the eNOS-dependent cardioprotection of exercise. PMID- 27866932 TI - Oxytocin attenuates aversive response to nicotine and anxiety-like behavior in adolescent rats. AB - Initial tobacco use is initiated with rewarding and aversive properties of nicotine and aversive response to nicotine plays a critical role in nicotine dependency. Decrease of nicotine aversion increases the nicotine use that causes behavioral and neuronal changes of animals. Oxytocin influences drug abuse and reciprocally affect vulnerability to drug use. To assess the effect of oxytocin on initial nicotine aversion and anxiety, we examined voluntary oral nicotine intake and anxiety-like behavior following oxytocin treatment in adolescent rats. Sprague-Dawley male rats (4 weeks old) were used. For oxytocin administration, rats were injected subcutaneously with saline or oxytocin (0.01, 0.1 and 1mg/kg) according to the assigned groups. Voluntary oral nicotine consumption test was performed by two bottle free-choice paradigm. To examine anxiety-like behavior in rats, we performed a light/dark box test. Oxytocin not only significantly increased the nicotine intake but also alleviated nicotine aversion after acclimation to nicotine solution in a concentration dependent manner. Meanwhile, oxytocin significantly reduced anxiety-like behavior. We suggest that oxytocin itself mitigates aversive response toward initial nicotine intake and anxiety like behavior. These results widen the psychophysiological perspective on oxytocin for better understanding of nicotine addiction related behaviors influenced by diverse social factors. PMID- 27866933 TI - Evaluation of the Tobacco Heating System 2.2 (THS2.2). Part 5: microRNA expression from a 90-day rat inhalation study indicates that exposure to THS2.2 aerosol causes reduced effects on lung tissue compared with cigarette smoke. AB - Modified-risk tobacco products (MRTP) are designed to reduce the individual risk of tobacco-related disease as well as population harm compared to smoking cigarettes. Experimental proof of their benefit needs to be provided at multiple levels in research fields. Here, we examined microRNA (miRNA) levels in the lungs of rats exposed to a candidate modified-risk tobacco product, the Tobacco Heating System 2.2 (THS2.2) in a 90-day OECD TG-413 inhalation study. Our aim was to assess the miRNA response to THS2.2 aerosol compared with the response to combustible cigarettes (CC) smoke from the reference cigarette 3R4F. CC smoke exposure, but not THS2.2 aerosol exposure, caused global miRNA downregulation, which may be explained by the interference of CC smoke constituents with the miRNA processing machinery. Upregulation of specific miRNA species, such as miR 146a/b and miR-182, indicated that they are causal elements in the inflammatory response in CC-exposed lungs, but they were reduced after THS2.2 aerosol exposure. Transforming transcriptomic data into protein activity based on corresponding downstream gene expression, we identified potential mechanisms for miR-146a/b and miR-182 that were activated by CC smoke but not by THS2.2 aerosol and possibly involved in the regulation of those miRNAs. The inclusion of miRNA profiling in systems toxicology approaches increases the mechanistic understanding of the complex exposure responses. PMID- 27866934 TI - Pharmacodynamic action and mechanism of Du Liang soft capsule, a traditional Chinese medicine capsule, on treating nitroglycerin-induced migraine. AB - ETHNOPHARMACOLOGICAL RELEVANCE: Du Liang soft capsule (DL) is a traditional Chinese medicine for treating migraines; it is made from two Chinese herbs, including LigusticumstriatumDC., root; Angelica dahurica (Hoffm.) Benth. & Hook.f. ex Franch. & Sav., root. AIM OF THE STUDY: In the present study, we aimed to elucidate the pharmacodynamic action of DL and its mechanism in an animal model of migraines induced by glyceryl trinitrate (GTN). MATERIALS AND METHODS: Sixty rats were randomly divided into six groups, including a normal control group, model control group, positive group (Sumatriptan 0.006gkg-1), and three DL groups (0.44, 1.31 and 3.93gkg-1). All rats were intragastrically treated with the corresponding treatment for 7 consecutive days, and they were subcutaneously injected with GTN (10mgkg-1) 30min after the last treatment, except in the normal control group. After model establishment, the behaviors of all rats, including head scratching, cage climbing, and the development of red ears were observed continuously by digital camera every 30min for 3h. Four hours after GTN treatment, all rats were anaesthetized and the blood and tissue samples were collected. Plasma calcitonin gene related to peptide (CGRP) and endothelin (ET) levels were measured using the radioimmunoassay method, and serum NO was determined by the colorimetric method. Afterwards, the brainstem tissues were dissected and washed with physiological saline, and divided evenly into two parts. One part was used to test the monoamine levels, including levels of 5 hydroxytryptamine (5-HT), norepinephrine (NE) and dopamine (DA), by the fluorometric method, and the other part was used to determine the nuclear factor kappaB (NF-kappaB) p65, nuclear c-fos, inducible nitric oxide synthase (iNOS), interleukin (IL)-1beta (IL-1beta), and cyclooxygenase-2 (COX-2) levels by Western blot analysis. RESULTS: In the pharmacodynamic action assay, DL (1.31 and 3.93gkg 1) greatly improved the abnormal behaviors of migraine rats, including head scratching and cage climbing, and the development of red ears. In the mechanism assay, compared with the control group, the plasma CGRP and serum NO levels and the brainstem 5-HT, NE and DA levels in the DL administration groups were significantly decreased; and the plasma ET levels were remarkably increased. Moreover, down-regulation of NF-kappaB p65, c-fos and pro-inflammatory cytokines, including iNOS, IL-1beta and COX-2 in the brainstem in the DL administration groups were observed by Western blot analysis. CONCLUSIONS: The above results suggested that DL has a therapeutic effect on migraines, and its mechanism may be related to adjusting the level of neurotransmitters and vasoactive substances, consequently relieving neurogenic inflammation. PMID- 27866937 TI - Antenatal foetal heart monitoring. AB - Antenatal foetal heart rate assessment was introduced into clinical medicine before clear evidence of any benefits had been reported. Ad hoc definitions were used to define normal and abnormal recordings resulting in a high false-positive rate for foetal compromise. The understanding of the foetal states resulted in an improved physiologically based assessment of the antenatal tracings and allowed their classification as (i) reactive - 2 accelerations in 10 min within a recording period of 120 min, (ii) unreactive - no accelerations seen in 120 min of tracing and (iii) decelerative - the presence of repetitive decelerations on an otherwise unreactive trace. This classification reduces the high rate of false positive traces associated with recording times of less than 40 min. Traces performed on pregnancies before 32 weeks predict clinical outcome, but need to be interpreted in light of the fact the many foetuses will not show a mature reactive pattern. PMID- 27866936 TI - Current applications and different approaches for microbial l-asparaginase production. AB - l-asparaginase (EC 3.5.1.1) is an enzyme that catalysis mainly the asparagine hydrolysis in l-aspartic acid and ammonium. This enzyme is presented in different organisms, such as microorganisms, vegetal, and some animals, including certain rodent's serum, but not unveiled in humans. It can be used as important chemotherapeutic agent for the treatment of a variety of lymphoproliferative disorders and lymphomas (particularly acute lymphoblastic leukemia (ALL) and Hodgkin's lymphoma), and has been a pivotal agent in chemotherapy protocols from around 30 years. Also, other important application is in food industry, by using the properties of this enzyme to reduce acrylamide levels in commercial fried foods, maintaining their characteristics (color, flavor, texture, security, etc.) Actually, l-asparaginase catalyzes the hydrolysis of l-asparagine, not allowing the reaction of reducing sugars with this aminoacid for the generation of acrylamide. Currently, production of l-asparaginase is mainly based in biotechnological production by using some bacteria. However, industrial production also needs research work aiming to obtain better production yields, as well as novel process by applying different microorganisms to increase the range of applications of the produced enzyme. Within this context, this mini-review presents l-asparaginase applications, production by different microorganisms and some limitations, current investigations, as well as some challenges to be achieved for profitable industrial production. PMID- 27866938 TI - Ovulation induction in polycystic ovary syndrome: Current options. AB - There are a variety of effective treatment options to induce ovulation in women with polycystic ovary syndrome (PCOS). The most effective treatments are primarily reproductive and target the hypothalamic-pituitary-ovarian (HPO) axis. Letrozole, an aromatase inhibitor, is headed toward replacing clomiphene, a selective estrogen receptor modulator, as the first-choice option. Metabolic treatments likely work indirectly through the HPO axis. Many metabolic treatments have shown initial promise and later failed (troglitozone or d-chiro-inositol) or disappointed (metformin); further studies are needed of newer agents to treat type 2 diabetes. Weight loss interventions, lifestyle related, through obesity drugs or through bariatric surgery have shown mixed results on pregnancy outcomes. With both reproductive and metabolic treatments, combination therapies (such as metformin and clomiphene together) may offer greater benefit to distinct subgroups of patients. PMID- 27866939 TI - [First case report of Streptococcus equi subsp. zooepidemicus post-infectious acute glomerulonephritis in France]. AB - Post-infectious glomerulonephritis has become exceptional in France because streptococcus infections are well-treated. When they appear, clinical and biological symptoms are mostly typical and associate acute nephritic syndrome, acute renal failure, proteinuria, hematuria and low complement. We are reporting the first French case of acute post-infectious glomerulonephritis related to Streptococcus equi subsp. zooepidemicus, which is commonly found in horses and rarely in human pathology, and of which contamination is by direct contact with sick horses or by ingestion of non-pasteurized milk. PMID- 27866940 TI - Anterior pre-tensioned external fixator for pelvic fractures and dislocations. Initial clinical series. AB - In the treatment of unstable pelvic ring fractures, external fixators have the limitation of not adequately stabilizing the injured posterior elements. This article presents a novel and simple technique of temporary external fixation of the pelvic ring, able to produce compression of both the anterior and posterior pelvic elements. A curved flexible carbon-fiber rod is used, pre-tensioned before attachment to supra-acetabular Schanz screws. Although more extensive clinical experience is required, favorable preliminary results in a series of 13 patients with unstable pelvic fracture were encouraging: the aim of closing the posterior and anterior elements of the pelvic ring was achieved in all cases treated with this technique, and 12 patients survived. Radiological results were excellent in 3 cases and good in 9 cases. No major complications, such as secondary displacement, vertical re-displacement or deep infection, were observed. Mean operative time was 25min, compatible with emergency management. PMID- 27866941 TI - Vayg1 is required for microsclerotium formation and melanin production in Verticillium dahliae. AB - The fungus Verticillium dahliae causes vascular wilt disease on many plant species, including economically important crop and ornamental plants worldwide. It produces darkly pigmented resting structures known as microsclerotia, which are able to survive for up to 14years in soil, and represent one of the defining characteristics of this species. The pigment produced in V. dahliae is dihydroxynaphthalene (DHN)-melanin, a form of melanin common among fungi and named so for the intermediary of this melanin biosynthetic pathway. In this study, we characterized the function of the V. dahliae Vayg1 gene, whose homologs were involved in melanin biosynthesis in Exophiala dermatitidis (Wayg1) and Aspergillus fumigatus (Aayg1), by deletion and complementation of the gene and co incubating deletion mutant with wild-type strain. Results showed that melanin production and microsclerotial formation in deletion mutants are inhibited. The Vayg1 deletion mutant also exhibited reduced pathogenicity. These results showed that Vayg1 is necessary for melanin and microsclerotium production, and we may thus hypothesize that the Vayg1 product may catalyze two different precursors, one of which is essential for DHN melanin production and the other one is involved in a signal network for microsclerotial formation in V. dahliae. PMID- 27866942 TI - A review of molecular genetic studies of neurocognitive deficits in schizophrenia. AB - Schizophrenia is a complex and debilitating illness with strong genetic loading. In line with its heterogeneous symptomatology, evidence suggests genetic etiologies for the phenotypes in schizophrenia. A search across endophenotypes has pointed towards consistent findings in its neurocognitive deficits. Extensive literature has demonstrated impaired cognition including executive function, attention, and memory in schizophrenia patients when compared to healthy subjects. This review (1) provides an overview of recent studies and (2) develops an up-to-date conceptualization of genetic variations influencing neurocognitive functions in schizophrenia patients. Several neurotransmitter system genes have been examined given knowledge of their role in brain functions and their reported genetic associations with schizophrenia and cognition. Several genetic variations have emerged as having preliminary effects on neurocognitive deficits in schizophrenia. These include genes in the neurotrophic, serotonin, cell adhesion, and sodium channel systems. Limited evidence also suggests the dopaminergic system genes, with the most studied catechol-o-methytransferase (COMT) gene showing inconsistent findings. Further investigations with larger samples and replications are required to elucidate genetic risk for cognitive deficits in schizophrenia. PMID- 27866943 TI - Enterobacteriaceae: joining the dots with pan-European epidemiology. PMID- 27866945 TI - A global call from five countries to collaborate in antibiotic stewardship: united we succeed, divided we might fail. AB - In February, 2016, WHO released a report for the development of national action plans to address the threat of antibiotic resistance, the catastrophic consequences of inaction, and the need for antibiotic stewardship. Antibiotic stewardship combined with infection prevention comprises a collaborative, multidisciplinary approach to optimise use of antibiotics. Efforts to mitigate overuse will be unsustainable without learning and coordinating activities globally. In this Personal View, we provide examples of international collaborations to address optimal prescribing, focusing on five countries that have developed different approaches to antibiotic stewardship-the USA, South Africa, Colombia, Australia, and the UK. Although each country's approach differed, when nurtured, individual efforts can positively affect local and national antimicrobial stewardship programmes. Government advocacy, national guidelines, collaborative research, online training programmes, mentoring programmes, and social media in stewardship all played a role. Personal relationships and willingness to learn from each other's successes and failures continues to foster collaboration. We recommend that antibiotic stewardship models need to evolve from infection specialist-based teams to develop and use cadres of health-care professionals, including pharmacists, nurses, and community health workers, to meet the needs of the global population. We also recommend that all health-care providers who prescribe antibiotics take ownership and understand the societal burden of suboptimal antibiotic use, providing examples of how countries can learn, act globally, and share best antibiotic stewardship practices. PMID- 27866935 TI - Diarrheagenic Escherichia coli. AB - Most Escherichia coli strains live harmlessly in the intestines and rarely cause disease in healthy individuals. Nonetheless, a number of pathogenic strains can cause diarrhea or extraintestinal diseases both in healthy and immunocompromised individuals. Diarrheal illnesses are a severe public health problem and a major cause of morbidity and mortality in infants and young children, especially in developing countries. E. coli strains that cause diarrhea have evolved by acquiring, through horizontal gene transfer, a particular set of characteristics that have successfully persisted in the host. According to the group of virulence determinants acquired, specific combinations were formed determining the currently known E. coli pathotypes, which are collectively known as diarrheagenic E. coli. In this review, we have gathered information on current definitions, serotypes, lineages, virulence mechanisms, epidemiology, and diagnosis of the major diarrheagenic E. coli pathotypes. PMID- 27866944 TI - Occurrence of carbapenemase-producing Klebsiella pneumoniae and Escherichia coli in the European survey of carbapenemase-producing Enterobacteriaceae (EuSCAPE): a prospective, multinational study. AB - BACKGROUND: Gaps in the diagnostic capacity and heterogeneity of national surveillance and reporting standards in Europe make it difficult to contain carbapenemase-producing Enterobacteriaceae. We report the development of a consistent sampling framework and the results of the first structured survey on the occurrence of carbapenemase-producing Klebsiella pneumoniae and Escherichia coli in European hospitals. METHODS: National expert laboratories recruited hospitals with diagnostic capacities, who collected the first ten carbapenem non susceptible clinical isolates of K pneumoniae or E coli and ten susceptible same species comparator isolates and pertinent patient and hospital information. Isolates and data were relayed back to national expert laboratories, which made laboratory-substantiated information available for central analysis. FINDINGS: Between Nov 1, 2013, and April 30, 2014, 455 sentinel hospitals in 36 countries submitted 2703 clinical isolates (2301 [85%] K pneumoniae and 402 (15%) E coli). 850 (37%) of 2301 K pneumoniae samples and 77 (19%) of 402 E coli samples were carbapenemase (KPC, NDM, OXA-48-like, or VIM) producers. The ratio of K pneumoniae to E coli was 11:1. 1.3 patients per 10 000 hospital admissions had positive clinical specimens. Prevalence differed greatly, with the highest rates in Mediterranean and Balkan countries. Carbapenemase-producing K pneumoniae isolates showed high resistance to last-line antibiotics. INTERPRETATION: This initiative shows an encouraging commitment by all participants, and suggests that challenges in the establishment of a continent-wide enhanced sentinel surveillance for carbapenemase-producing Enterobacteriaeceae can be overcome. Strengthening infection control efforts in hospitals is crucial for controlling spread through local and national health care networks. FUNDING: European Centre for Disease Prevention and Control. PMID- 27866946 TI - Systems Genetics Approach Identifies Gene Pathways and Adamts2 as Drivers of Isoproterenol-Induced Cardiac Hypertrophy and Cardiomyopathy in Mice. AB - We previously reported a genetic analysis of heart failure traits in a population of inbred mouse strains treated with isoproterenol to mimic catecholamine-driven cardiac hypertrophy. Here, we apply a co-expression network algorithm, wMICA, to perform a systems-level analysis of left ventricular transcriptomes from these mice. We describe the features of the overall network but focus on a module identified in treated hearts that is strongly related to cardiac hypertrophy and pathological remodeling. Using the causal modeling algorithm NEO, we identified the gene Adamts2 as a putative regulator of this module and validated the predictive value of NEO using small interfering RNA-mediated knockdown in neonatal rat ventricular myocytes. Adamts2 silencing regulated the expression of the genes residing within the module and impaired isoproterenol-induced cellular hypertrophy. Our results provide a view of higher order interactions in heart failure with potential for diagnostic and therapeutic insights. PMID- 27866947 TI - Integrating GWAS and Co-expression Network Data Identifies Bone Mineral Density Genes SPTBN1 and MARK3 and an Osteoblast Functional Module. AB - Bone mineral density (BMD) is a highly heritable predictor of osteoporotic fracture. Genome-wide association studies (GWAS) for BMD have identified dozens of associations; yet, the genes responsible for most associations remain elusive. Here, we used a bone co-expression network to predict causal genes at BMD GWAS loci based on the premise that genes underlying a disease are often functionally related and functionally related genes are often co-expressed. By mapping genes implicated by BMD GWAS onto a bone co-expression network, we predicted and inferred the function of causal genes for 30 of 64 GWAS loci. We experimentally confirmed that two of the genes predicted to be causal, SPTBN1 and MARK3, are potentially responsible for the effects of GWAS loci on chromosomes 2p16.2 and 14q32.32, respectively. This approach provides a roadmap for the dissection of additional BMD GWAS associations. Furthermore, it should be applicable to GWAS data for a wide range of diseases. PMID- 27866949 TI - Perioperative Periprosthetic Fractures Associated With Primary Total Hip Arthroplasty. AB - BACKGROUND: Periprosthetic fracture (PPF) is a rare but devastating complication of primary total hip arthroplasty (THA). While PPF is associated with increased morbidity and mortality, early revision rate, and poor patient outcome, there is a paucity of data on patient and hospital-dependent risk factors. Using a large administrative database, we investigated epidemiology and the risk factors associated with perioperative PPF after primary THA. METHODS: We performed a retrospective review of the National Inpatient Sample records from 2006 to 2011 and identified 1062 PPFs of 1,187,969 patients using International Classification of Diseases, Ninth Revision code for PPF (996.44). We then analyzed sociodemographic characteristics, comorbidities, and hospital characteristics of our study population. RESULTS: The overall incidence of PPF in National Inpatient Sample database was 0.089% (8.9 per 10,000 THAs). Patient-dependent risk factors were: female (odds ratio [OR] 1.93, 95% confidence interval [CI] 1.67-2.22), low household income (OR 1.4, 95% CI 1.18-1.65), Medicaid (OR 1.89, 95% CI 1.39 2.57), and uninsured (OR 2.74, 95% CI 1.63-4.61). Patients with malnutrition and hemiparesis/hemiplegia were associated 10-fold and 6-fold risk of PPF. Nonteaching hospitals (OR 1.15, 95% CI 1.01-1.32), hospitals in northeast (OR 1.29, 95% CI 1.04-1.59), and rural hospitals (OR 1.27, 95% CI 1.06-1.53) had higher incidence of PPF. CONCLUSION: Our study demonstrates that the incidence of PPF was low in our study population, and greater awareness is needed when performing primary THAs in patients with risk factors identified in our study to prevent PPF. PMID- 27866948 TI - Pulmonary Embolism Rates Following Total Hip Arthroplasty With Prophylactic Anticoagulation: Some Pulmonary Emboli Cannot Be Avoided. AB - BACKGROUND: A symptomatic pulmonary embolism (PE) after total joint arthroplasty has been described as a "never event." Despite potent anticoagulants and improvements in patient care, PE continues to occur following total hip arthroplasty (THA). This study evaluates symptomatic PE rates over time in THA patients enrolled in multicenter randomized clinical trials (RCTs) assessing the efficacy of venous thromboembolism prophylaxis regimens. METHODS: The MEDLINE and Cochrane Central Register of Controlled Trials were searched to identify clinical trials assessing prophylactic anticoagulation in patients undergoing THA between January 1995 and December 2015. Inclusion criteria consisted of RCTs evaluating prophylactic anticoagulation in patients undergoing THA. A random effect model was used to combine PE rates across studies. RESULTS: A total of 21 studies (34,764 patients) were included. Patients were administered low molecular weight heparin (13,590 patients), oral factor Xa inhibitors (6609 patients), oral direct thrombin inhibitors (5965 patients), indirect factors Xa/IIa inhibitors (3444 patients), aspirin (2427 patients), and warfarin (489 patients). Mobile compression was used in 199 patients, and placebo was used in 2041 patients. Across all included studies, the estimated PE rate was 0.21% (95% confidence interval: 0.13%, 0.32%). Between 1997 and 2013, the proportion of PEs did not change in regression analysis. CONCLUSION: Although the PE rate was low, it was consistent throughout the 17 years spanning these RCTs, which excluded patients with significant morbidity. These results suggest that even healthy THA patients receiving aggressive anticoagulation still have a risk for PE, and the "never event" designation requires reassessment. PMID- 27866950 TI - Cause-Specific Mortality Trends Following Total Hip and Knee Arthroplasty. AB - BACKGROUND: While studies have demonstrated that mortality after total hip (THA) and total knee (TKA) arthroplasty is better than the general population, the causes of death are not well established. We evaluated cause-specific mortality after THA and TKA. METHODS: The study included population-based cohorts of patients who underwent THA (N = 2019) and TKA (N = 2259) between 1969 and 2008. Causes of death were classified using the International Classification of Diseases 9th and 10th editions. Cause-specific standardized mortality ratios (SMR) and 95% confidence intervals (CI) were calculated by comparing observed and expected mortality. Expected mortality was derived from mortality rates in the United States white population of similar calendar year, age, and sex characteristics. RESULTS: All-cause mortality was lower than expected following both THA and TKA. However, there was excess mortality due to mental diseases such as dementia following both THA (SMR 1.40, 95% CI 1.08, 1.80) and TKA (SMR 1.49, 95% CI 1.19, 1.85). There was also excess mortality from inflammatory musculoskeletal diseases in THA (SMR 3.50, 95% CI 2.11, 5.46) and TKA (SMR 4.85, 95% CI 3.29, 6.88). When the cohorts were restricted to patients with osteoarthritis as the surgical indication, the excess risk of death from mental diseases still persisted in THA (SMR 1.36, 95% CI 1.02, 1.78) and TKA (SMR 1.52, 95% CI 1.20, 1.91). CONCLUSION: THA and TKA patients experience a higher risk of death from mental and inflammatory musculoskeletal diseases. These findings warrant further research to identify drivers of mortality and prevention strategies in arthroplasty patients. PMID- 27866951 TI - The Incidence and Economic Burden of In-Hospital Venous Thromboembolism in the United States. AB - BACKGROUND: Venous thromboembolism (VTE) is a potentially preventable and costly complication after total hip arthroplasty (THA) and total knee arthroplasty (TKA). The in-hospital incidence and economic burden of VTE following total joint arthroplasty (TJA) in the United States is unknown. The aim of this study was to examine this issue. METHODS: The Nationwide Inpatient Sample was used to estimate the total number of THA, TKA, and VTE events using International Classification of Diseases, Ninth Revision procedure codes from years 2002 to 2011. The rate of in-hospital deep vein thrombosis (DVT) and pulmonary embolism (PE), associated length of hospitalization, and current and projected in-hospital charges were obtained. RESULTS: Revision arthroplasties had higher rates of in-hospital VTE compared to primary TJAs (2.5% vs 1.6%, P < .0001). Among primary TJAs, the median rate of in-hospital VTE was 0.59% (0.55%-0.63%) for primary THA and 1.01% (0.94%-1.08%) for primary TKA. Revision THAs developed more VTE events compared to revision TKAs (1.35% [1.25%-1.46%] vs 1.16% [1.07%-1.26%]). Patients with a VTE have longer hospitalizations (median primary TKA: 7 vs 3; median primary THA: 6 vs 3, P < .0001). The overall rate of VTE decreased over the last decade; however, the PE rates have remained relatively constant. Moreover, the associated costs with VTE events have increased significantly over the last decade. CONCLUSION: Based on the analysis of the Nationwide Inpatient Sample database, the rate of in-hospital DVT following TJA appears to have declined over the last decade while the incidence of PE has remained constant. This may indicate that the current recommendations by the American Academy of Orthopaedic Surgeons for VTE prophylaxis are adequate for preventing DVT without increasing the rate of PE or that institutional screening and reporting of DVT has been reduced because DVTs became a "never" event. PMID- 27866952 TI - Recent Trends in Blood Utilization After Primary Hip and Knee Arthroplasty. AB - BACKGROUND: Blood conservation strategies have evolved greatly over the last 5 years. There is a paucity of large blood utilization studies of total hip arthroplasty (THA) and total knee arthroplasty (TKA) that include recently performed surgery. The purpose of this study was to use a large database to evaluate trends in blood transfusion after THA and TKA, including 2015 data. METHODS: The Humana data set was reviewed from 2007 to the third quarter of 2015 for all patients undergoing primary THA and TKA. Rates and type of postoperative blood transfusion were trended through the years of the data set. Further subgroup analysis was performed to evaluate the impact of patients' age, gender, geographic location, and obesity on the incidence of blood transfusion using standard statistical techniques. RESULTS: In total, 69,350 THA patients and 139,804 TKA patients were analyzed. Overall transfusion rate was 18.2% and 12.7% after TKA and THA, respectively. The most common type of blood transfused was allogeneic packed red blood cells (88% of all transfusions) followed by perioperative collected autologous blood (12% of all transfusions). There were no transfusions of preoperatively collected autologous blood. Transfusion rates decreased significantly from 21.3%-8.7% and 17.3%-4.4% for THA and TKA, respectively, over the years 2007-2015 (P < .001). CONCLUSION: Rates of blood transfusion after primary THA and TKA have fallen precipitously since 2010 and are now down to 9% and 4% for THA and TKA, respectively. Blood management strategies instituted over the last 5 years have had a large impact on transfusion rates after joint arthroplasty. PMID- 27866953 TI - Triple-tandem high-dose-rate brachytherapy for early-stage medically inoperable endometrial cancer: Initial report on acute toxicity and dosimetric comparison to stereotactic body radiation therapy. AB - PURPOSE: Stereotactic body radiotherapy (SBRT) may be appealing in medically inoperable endometrial cancer to avoid procedural risks. We performed a dosimetric comparison to triple-tandem, high-dose-rate (HDR) brachytherapy. METHODS AND MATERIALS: Six consecutive clinical stage I, grade 1-2, medically inoperable endometrial cancer patients were treated with triple-tandem HDR brachytherapy. We report patient factors and acute toxicity. Also, we performed dosimetric comparison to SBRT using both 3D conformal arc (3DArc) and volumetric modulated arc therapy. D2cc values for normal tissues were calculated and compared to the HDR plans. RESULTS: Median age was 57 years. Patient comorbidities included morbid obesity, congestive heart failure, diabetes, and pulmonary emboli. In three patients who received prior external beam radiation (EBRT), median EBRT and HDR doses were 46 Gy and 20 Gy, respectively. The median dose with HDR brachytherapy monotherapy was 35 Gy. Acute toxicities during EBRT included gastrointestinal (3/3 with grade 1-2) and genitourinary (3/3 with grade 1-2). Acute toxicities during HDR brachytherapy were gastrointestinal (2/6 total with grade 1-2) and genitourinary (2/6 total with grade 1). The mean D2cc/Gy of prescription dose for rectum, sigmoid, and bladder were 0.58, 0.40, and 0.47 respectively. Overall, doses to normal tissues were higher for SBRT plans as compared to HDR. Also, the R50 (ratio of the 50% prescription isodose volume to the PTV) was lowest with HDR brachytherapy. CONCLUSIONS: In medically inoperable, clinical stage I endometrial cancer patients with multiple comorbidities, definitive triple-tandem, HDR brachytherapy results in mild acute toxicity. In addition, HDR brachytherapy achieves relatively lower doses to surrounding normal tissues as compared to SBRT. PMID- 27866955 TI - Analysis of the power profile of a new soft contact lens for myopia progression. PMID- 27866954 TI - The Enright phenomenon. Stereoscopic distortion of perceived driving speed induced by monocular pupil dilation. AB - PURPOSE: The Enright phenomenon describes the distortion in speed perception experienced by an observer looking sideways from a moving vehicle when viewing with interocular differences in retinal image brightness, usually induced by neutral density filters. We investigated whether the Enright phenomenon could be induced with monocular pupil dilation using tropicamide. METHODS: We tested 17 visually normal young adults on a closed road driving circuit. Participants were asked to travel at Goal Speeds of 40km/h and 60km/h while looking sideways from the vehicle with: (i) both eyes with undilated pupils; (ii) both eyes with dilated pupils; (iii) with the leading eye only dilated; and (iv) the trailing eye only dilated. For each condition we recorded actual driving speed. RESULTS: With the pupil of the leading eye dilated participants drove significantly faster (by an average of 3.8km/h) than with both eyes dilated (p=0.02); with the trailing eye dilated participants drove significantly slower (by an average of 3.2km/h) than with both eyes dilated (p<0.001). The speed, with the leading eye dilated, was faster by an average of 7km/h than with the trailing eye dilated (p<0.001). There was no significant difference between driving speeds when viewing with both eyes either dilated or undilated (p=0.322). CONCLUSIONS: Our results are the first to show a measurable change in driving behaviour following monocular pupil dilation and support predictions based on the Enright phenomenon. PMID- 27866957 TI - Gender and the circadian pattern of body temperature in normoxia and hypoxia. AB - Circadian patterns are at the core of many physiological processes, and their disruption can have short- and long-term consequences. This essay focuses on one of the best known patterns, the daily oscillation of body temperature (Tb), and the possibility of its difference between genders. From human and animal studies globally considered, the tentative conclusion is reached that differences in Tb circadian pattern between genders are very small and probably limited to the timing of the rhythm, not to its amplitude. Such similarity between genders, despite the differences in hormonal systems, presumably testifies to the importance that the Tb circadian pattern plays in the economy of the organism and its survival against environmental challenges. The second part of the article presents some previously unpublished experimental data from behaving male and female rats during hypoxia in synchronized conditions. In adult rats hypoxia (10.5% O2 for three days) caused a profound drop of the Tb daily oscillations; by day 3 they were 55% (?) and 22% (?) of the normoxic amplitudes, with a statistically significant gender difference. In pre-puberty rats (26-day old) hypoxia caused a major disruption of the circadian pattern qualitatively similar to the adults but not different between genders. Hence, on the basis of this preliminary set of data, it seems that sex-hormones may be a factor in how the Tb daily pattern responds to hypoxia. The implications of the effects of hypoxia on the circadian patterns, and the possibility that such effects may differ between genders, are matters that could have biological and clinical implications and deserve further investigations. PMID- 27866956 TI - Accuracy and completeness of drug information in Wikipedia medication monographs. AB - OBJECTIVES: The primary objective of this study was to determine the accuracy and completeness of drug information on Wikipedia and Micromedex compared with U.S. Food and Drug Administration-approved U.S. product inserts. METHODS: The top 10 brand and top 10 generic medications from the 2012 Institute for Health Informatics' list of top 200 drugs were selected for evaluation. Wikipedia medication information was evaluated and compared with Micromedex in 7 sections of drug information; the U.S. product inserts were used as the standard comparator. RESULTS: Wikipedia demonstrated significantly lower completeness and accuracy scores compared with Micromedex (mean composite scores 18.55 vs. 38.4, respectively; P <0.01). No difference was found between the mean composite scores for brand versus generic drugs in either reference (17.8 vs. 19.3, respectively [P = 0.62], for Wikipedia; 39.2 vs. 37.6, [P = 0.06] for Micromedex). Limitations to these results include the speed with which information is edited on Wikipedia, that there was no evaluation of off-label information, and the limited number of drugs that were evaluated. CONCLUSION: Wikipedia lacks the accuracy and completeness of standard clinical references and should not be a routine part of clinical decision making. More research should be conducted to evaluate the rationale for health care providers' use of Wikipedia. PMID- 27866958 TI - Use of Concomitant Stress Incontinence Surgery at Time of Pelvic Organ Prolapse Surgery Since Release of the 2011 Notification on Serious Complications Associated with Transvaginal Mesh. AB - PURPOSE: There is controversy regarding the performance of concomitant anti incontinence procedures at the time of pelvic organ prolapse repair. Data support improvement in stress urinary incontinence with a concomitant sling but increased adverse events. We assessed trends in preoperative stress urinary incontinence evaluation, concomitant anti-incontinence procedure at pelvic organ prolapse surgery and postoperative anti-incontinence procedures at our institution before and after the 2011 FDA (U.S. Food and Drug Administration) Public Health Notification pertaining to vaginal mesh. MATERIALS AND METHODS: We retrospectively reviewed the records of patients who underwent pelvic organ prolapse surgery from 2009 to 2015. Preoperative workup included assessment of subjective stress urinary incontinence and/or evaluation for leakage with reduction of pelvic organ prolapse on physical examination, urodynamics or a pessary trial. The percentages of concomitant and postoperative anti-incontinence procedures were compared before and after the 2011 FDA notification. RESULTS: A total of 775 women underwent pelvic organ prolapse repair. The percentage of anti incontinence procedures at pelvic organ prolapse repair decreased from 54.8% to 38.0% after the FDA notification (p = 0.002) while the incidence of preoperative objective stress urinary incontinence on examination, urodynamics and pessary trials remained constant. The incidence of postoperative anti-incontinence procedures within 1 year of the index surgery remained low. CONCLUSIONS: We found a decrease in the incidence of concomitant anti-incontinence procedures at the time of pelvic organ prolapse repair following the 2011 FDA notification despite no significant decline in subjective stress urinary incontinence or demonstrable stress urinary incontinence on preoperative evaluation. Further analysis is warranted to assess the impact of the FDA notification on treatment patterns in women with pelvic organ prolapse and stress urinary incontinence. PMID- 27866959 TI - Evaluating the risk of hypertension according to the metabolic health status stratified by degree of obesity. AB - Despite the accumulated evidence showing the significant association between hypertension and obesity, it remains unclear how metabolic healthy status of obesity have an impact on the development of hypertension. Thus, this study was to investigate the risk of hypertension according to the metabolic healthy status stratified by the degree of obesity. A cohort of 25,442 Korean men without hypertension at baseline was followed-up from 2005 to 2010. They were divided into the following 6 phenotypes according to their baseline metabolic health and obesity status: metabolically healthy normal weight (MH-NW), metabolically healthy overweight (MH-OW), metabolically healthy obese (MHO), metabolically unhealthy normal weight (MU-NW), metabolically unhealthy overweight (MU-OW), and metabolically unhealthy obese (MUO). Cox proportional hazard model was used to evaluate the risk for hypertension according to the metabolically healthy status stratified by degree of obesity. During 91,256.4 person-years of follow-up, 4633 participants (18.2%) developed hypertension. The adjusted hazard ratios (95% confidence intervals) for hypertension in MH-OW, MHO, MU-NW, MU-OW, and MUO phenotypes compared with MH-NW phenotype were 1.13 (1.04-1.23), 1.43 (1.15-1.69), 1.17 (1.02-1.34), 1.49 (1.27-1.72), and 1.54 (1.36-1.88), respectively. The interaction between metabolically healthy status and degree of obesity was not significant (P for interaction = .29). Compared with MH-NW, both the obese phenotype and metabolically unhealthy phenotype independently had an increased risk for hypertension. These results imply that both metabolic health status and obesity status play important roles independently in the risk of hypertension in Korean men. PMID- 27866960 TI - Ethanol-seeking behavior is expressed directly through an extended amygdala to midbrain neural circuit. AB - Abstinent alcohol-dependent individuals experience an enduring sensitivity to cue induced craving and relapse to drinking. There is considerable evidence indicating that structures within the midbrain and extended amygdala are involved in this process. Individually, the ventral tegmental area (VTA) and the bed nucleus of the stria terminalis (BNST) have been shown to modulate cue-induced ethanol-seeking behavior. It is hypothesized that cue-induced seeking is communicated through a direct projection from the BNST to VTA. In the current experiments, an intersectional viral strategy was used in DBA/2J mice to selectively target and inhibit BNST projections to the VTA during a test of ethanol conditioned place preference (CPP). Inhibitory designer receptors exclusively activated by designer drugs (hM4Di DREADDs) were expressed in VTA projecting BNST (BNST-VTA) cells by infusing a retrograde herpes-simplex virus encoding cre recombinase (HSV-Cre) into VTA and a cre-inducible adeno-associated virus encoding hM4Di (AAV-DIO-hM4Di) into BNST. Before testing the expression of preference, clozapine-N-oxide (CNO) was peripherally administered to activate hM4Di receptors and selectively inhibit these cells. Ethanol CPP expression was blocked by CNO-mediated inhibition of BNST-VTA cells. A follow-up study revealed this effect was specific to CNO activation of hM4Di as saline- and CNO-treated mice infused with a control vector (HSV-GFP) in place of HSV-Cre showed significant CPP. These findings establish a role for a direct BNST input to VTA in cue-induced ethanol-seeking behavior. PMID- 27866961 TI - Paradoxical results of two automated real-time PCR assays in the diagnosis of pleural tuberculosis. AB - Tuberculosis (TB) is a major cause of worldwide mortality. We report the case of a non-HIV-infected woman with clinical suspicion of pleural tuberculosis and contradictory results between Xpert(r) MTB/RIF and Abbott RealTime MTB assays from pleural fluid specimen. Liquid and solid cultures for tuberculosis were performed with negative results. The patient received treatment, and clinical improvement was observed. Both techniques detect Mycobacterium tuberculosis complex, but they have different targets and limits of detection. Abbott RealTime MTB results correlated well with the clinical findings of the patient. PMID- 27866962 TI - Distribution of muscarinic acetylcholine receptor subtypes in the murine small intestine. AB - AIMS: Serotonin stimulates enterocyte turnover in the small intestine and studies suggest this is mediated by neuronal signaling via a cholinergic pathway. Distribution of the five known muscarinic receptor subtypes (mAChRs) in the small intestine has not been fully studied, and their role in intestinal growth is unknown. We hypothesized that mAChRs have distinct anatomic distributions within the bowel, and that mAChRs present within intestinal crypts mediate the effects of acetylcholine on the small intestinal mucosa. MAIN METHODS: Small intestine from male C57BL/6 mice ages 2, 4, 6, and 8weeks were harvested. RNA was isolated and cDNA synthesized for PCR-amplification of subtype specific mAChRs. Ileum was fixed with Nakane, embedded in epon, and immunofluorescence microscopy performed using polyclonal antibodies specific to each mAChR1-5. KEY FINDINGS: All five mAChR subtypes were present in the mouse duodenum, jejunum, and ileum at all ages by RT-PCR. Immunofluorescence microscopy suggested the presence of mAChR1-5 in association with mature enterocytes along the villus and within the myenteric plexus. Only mAChR2 clearly localized to the crypt stem cell compartment, specifically co-localizing with Paneth cells at crypt bases. SIGNIFICANCE: Muscarinic receptors are widely distributed along the entire alimentary tract. mAChR2 appears to localize to the crypt stem cell compartment, suggesting it is a plausible regulator of stem cell activity. The location of mAChR2 to the crypt makes it a potential therapeutic target for treatment of intestinal disease such as short bowel syndrome. The exact cellular location and action of each mAChR requires further study. PMID- 27866963 TI - Interdialytic Weight Gain: Trends, Predictors, and Associated Outcomes in the International Dialysis Outcomes and Practice Patterns Study (DOPPS). AB - BACKGROUND: High interdialytic weight gain (IDWG) is associated with adverse outcomes in hemodialysis (HD) patients. We identified temporal and regional trends in IDWG, predictors of IDWG, and associations of IDWG with clinical outcomes. STUDY DESIGN: Analysis 1: sequential cross-sections to identify facility- and patient-level predictors of IDWG and their temporal trends. Analysis 2: prospective cohort study to assess associations between IDWG and mortality and hospitalization risk. SETTING & PARTICIPANTS: 21,919 participants on HD therapy for 1 year or longer in the Dialysis Outcomes and Practice Patterns Study (DOPPS) phases 2 to 5 (2002-2014). PREDICTORS: Analysis 1: study phase, patient demographics and comorbid conditions, HD facility practices. Analysis 2: relative IDWG, expressed as percentage of post-HD weight (<0%, 0%-0.99%, 1% 2.49%, 2.5%-3.99% [reference], 4%-5.69%, and >=5.7%). OUTCOMES: Analysis 1: relative IDWG as a continuous variable using linear mixed models; analysis 2: mortality; all-cause and cause-specific hospitalization using Cox regression, adjusting for potential confounders. RESULTS: From phase 2 to 5, IDWG declined in the United States (-0.29kg; -0.5% of post-HD weight), Canada (-0.25kg; -0.8%), and Europe (-0.22kg; -0.5%), with more modest declines in Japan and Australia/New Zealand. Among modifiable factors associated with IDWG, the most notable was facility mean dialysate sodium concentration: every 1-mEq/L greater dialysate sodium concentration was associated with 0.13 (95% CI, 0.11-0.16) greater relative IDWG. Compared to relative IDWG of 2.5% to 3.99%, there was elevated risk for mortality with relative IDWG>=5.7% (adjusted HR, 1.23; 95% CI, 1.08 1.40) and elevated risk for fluid-overload hospitalization with relative IDWG>=4% (HRs of 1.28 [95% CI, 1.09-1.49] and 1.64 [95% CI, 1.27-2.13] for relative IDWGs of 4%-5.69% and >=5.7%, respectively). LIMITATIONS: Possible residual confounding. No dietary salt intake data. CONCLUSIONS: Reductions in IDWG during the past decade were partially explained by reductions in dialysate sodium concentration. Focusing quality improvement strategies on reducing occurrences of high IDWG may improve outcomes in HD patients. PMID- 27866965 TI - Proton Pump Inhibitor Use and Risk of Hip Fracture in Kidney Transplant Recipients. AB - BACKGROUND: Posttransplantation bone disease is a significant problem, with few well-evidenced therapeutic options. Proton pump inhibitors (PPIs) are associated with hip fracture in the general population and are widely prescribed for kidney transplant recipients. STUDY DESIGN: A case-control study. SETTING & PARTICIPANTS: From the US Renal Data System, we identified from diagnoses and procedures 231 kidney transplant recipients with a first hip fracture. Cases were matched at the hip fracture index date with 15,575 controls on age, sex, race, and transplantation year. PREDICTOR: PPI use. OUTCOMES: First hip fracture. RESULTS: In the year prior to the index date, a PPI was prescribed to 65.4% of cases and 57.4% of controls. Additionally, in 34.6% of cases and 28.9% of controls, a PPI was prescribed for >80% of the year preceding the index date (higher PPI users). Unadjusted ORs of hip fracture associated with any and higher PPI use were 1.55 (95% CI, 1.18-2.05) and 1.65 (95% CI, 1.2-2.27), respectively. When adjusted for baseline demographic, clinical, and pharmacologic covariables, any and higher PPI use remained associated with hip fracture, with ORs of 1.39 (95% CI, 1.04-1.84) and 1.41 (95% CI, 1.02-1.95), respectively. LIMITATIONS: Potential residual confounding through either incorrectly ascertained or unavailable confounders; cohort limited to Medicare beneficiaries receiving low income subsidy. CONCLUSIONS: In summary, PPI use was associated with hip fracture risk in the US kidney transplant population. PMID- 27866966 TI - Complications of Vascular Access: Superior Vena Cava Syndrome. AB - Stenosis or occlusion of central veins in hemodialysis patients is common, especially with previous intravascular catheter or device use. Superior vena cava (SVC) obstruction is emerging as a frequent chronic complication of central vein cannulation that not only jeopardizes the availability of vascular access for hemodialysis, but can become a life-threatening emergency. Clinical features of SVC syndrome can be subtle or dramatic, including facial swelling and shortness of breath, which require expeditious attention and intervention. The approach to SVC syndrome involves judicious use of imaging techniques to define the cause and location. Early management with endovascular intervention with angioplasty and stent placement is the usual first choice. The occlusion can often be recanalized using new techniques such as radiofrequency wire and then salvaged with stents, providing prompt resolution of symptoms. Limitations to interventions include requirement of cutting-edge equipment, expertise, expense, and the usually temporary nature of the resolution. Surgery is considered the treatment of last resort for refractory cases. SVC syndrome can be prevented by minimizing catheter and intravascular device use through early recognition of patients with chronic kidney disease, early referral for education about all choices for kidney replacement modalities, and early placement of arteriovenous access prior to the onset of dialysis therapy. PMID- 27866964 TI - Dialysate Potassium, Serum Potassium, Mortality, and Arrhythmia Events in Hemodialysis: Results From the Dialysis Outcomes and Practice Patterns Study (DOPPS). AB - BACKGROUND: Sudden death is a leading cause of death in patients on maintenance hemodialysis therapy. During hemodialysis sessions, the gradient between serum and dialysate levels results in rapid electrolyte shifts, which may contribute to arrhythmias and sudden death. Controversies exist about the optimal electrolyte concentration in the dialysate; specifically, it is unclear whether patient outcomes differ among those treated with a dialysate potassium concentration of 3 mEq/L compared to 2 mEq/L. STUDY DESIGN: Prospective cohort study. SETTING & PARTICIPANTS: 55,183 patients from 20 countries in the Dialysis Outcomes and Practice Patterns Study (DOPPS) phases 1 to 5 (1996-2015). PREDICTOR: Dialysate potassium concentration at study entry. OUTCOMES: Cox regression was used to estimate the association between dialysate potassium concentration and both all cause mortality and an arrhythmia composite outcome (arrhythmia-related hospitalization or sudden death), adjusting for potential confounders. RESULTS: During a median follow-up of 16.5 months, 24% of patients died and 7% had an arrhythmia composite outcome. No meaningful difference in clinical outcomes was observed for patients treated with a dialysate potassium concentration of 3 versus 2 mEq/L (adjusted HRs were 0.96 [95% CI, 0.91-1.01] for mortality and 0.98 [95% CI, 0.88-1.08] for arrhythmia composite). Results were similar across predialysis serum potassium levels. As in prior studies, higher serum potassium level was associated with adverse outcomes. However, dialysate potassium concentration had only minimal impact on serum potassium level measured predialysis (+0.09 [95% CI, 0.05-0.14] mEq/L serum potassium per 1 mEq/L greater dialysate potassium concentration). LIMITATIONS: Data were not available for delivered (vs prescribed) dialysate potassium concentration and postdialysis serum potassium level; possible unmeasured confounding. CONCLUSIONS: In combination, these results suggest that approaches other than altering dialysate potassium concentration (eg, education on dietary potassium sources and prescription of potassium-binding medications) may merit further attention to reduce risks associated with high serum potassium levels. PMID- 27866967 TI - Cryofibrinogen-Associated Glomerulonephritis. AB - Cryofibrinogen is an under-recognized cryoprotein. Cryofibrinogen is a cryoprecipitate that develops following plasma refrigeration, but does not occur in cold serum. People with cryofibrinogenemia may be asymptomatic, but this cryoprotein can be associated with thromboembolic disease, particularly affecting the skin. Kidney manifestations are relatively uncommon, but are likely underestimated. We describe clinical features and kidney biopsy results in 2 patients with cryofibrinogen-related kidney disease. Both patients presented with proteinuria and hematuria. One had significant cutaneous ulcers and palpable purpura. Kidney biopsy in both cases showed membranoproliferative glomerulonephritis with no immunoglobulin deposition. Weak segmental capillary wall fibrinogen staining was noted in glomeruli. Immunofluorescence studies following pronase digestion failed to reveal masked immunoglobulin deposits. Ultrastructural studies were distinctive and characterized by organized deposits of large-bore with multilayered tubular structures and fine fibrillary structures in a matrix. To confirm the composition of deposits, we extracted the cryoprecipitate from plasma of a patient and performed ultrastructural studies, which showed identical ultrastructural characteristics to those seen on the kidney biopsy. We also performed proteomic analysis of the cryoprecipitate that confirmed the presence of fibrinogen. Subsequent laboratory evaluation was positive for cryofibrinogen in both patients on multiple occasions. Appropriate therapy was instituted in both patients, which included prednisone, immunosuppressive therapy, and avoidance of cold exposure. In summary, we present clinical, kidney biopsy, and laboratory findings and the treatment and follow-up of cryofibrinogen-associated glomerulonephritis. Awareness of this entity will result in accurate diagnoses, appropriate investigation, and treatment. PMID- 27866968 TI - Vasectomy Reversal Surgical Patterns: An Analysis of the American Board of Urology Case Logs. AB - OBJECTIVE: To characterize vasectomy reversal practice patterns among American Board of Urology (ABU) certifying urologists. MATERIALS AND METHODS: We reviewed the ABU case logs for certifying urologists from 2008 to 2014. Vasectomy reversal procedures were identified by 3 current procedure terminology (CPT) codes: 55400 (vasovasostomy), 54900 (epididymovasostomy, unilateral), and 54901 (epididymovasostomy, bilateral). Demographic data were obtained and reviewed. Multivariate analysis determined the factors influencing the performance of surgical approach. RESULTS: There were 5167 urologists who submitted case logs for 2008-2014, and 9.4% (486) had performed at least one vasectomy reversal procedure. General urologists accounted for the highest overall volume of vasectomy reversal procedures. Andrology-trained urologists performed a higher volume of vasovasostomy per surgeon, and bilateral epididymovasostomy constituted a greater portion of their E-V practice. Multivariate analysis demonstrated that being in recertification years, being younger in age, practicing in the South Central, Southeast, and Western regions, and practicing in the largest and smallest practice areas were associated with being more likely to perform a vasectomy reversal procedure. CONCLUSION: Microsurgical vasectomy reversals are putatively considered technically challenging and reserved for fellowship-trained urologists, and the majority of vasectomy reversal surgeries were performed by general urologists. Given the known association between microsurgical technique and improved outcomes, greater emphasis should be placed on microsurgical training during urology residency. PMID- 27866969 TI - Overexpression of CD109 in the Epidermis Differentially Regulates ALK1 Versus ALK5 Signaling and Modulates Extracellular Matrix Synthesis in the Skin. AB - Transforming growth factor-beta (TGF-beta) is a multifunctional growth factor involved in many physiological processes including wound healing and inflammation. Excessive TGF-beta signaling in the skin has been implicated in fibrotic skin disorders such as keloids and scleroderma. We previously identified CD109 as a TGF-beta co-receptor and inhibitor of TGF-beta signaling and have shown that transgenic mice overexpressing CD109 in the epidermis display decreased scarring. In certain cell types, in addition to the canonical type I receptor, ALK5, which activates Smad2/3, TGF-beta can signal through another type I receptor, ALK1, which activates Smad1/5. Here we demonstrate that ALK1 is expressed and co-localizes with CD109 in mouse keratinocytes and that mice overexpressing CD109 in the epidermis display enhanced ALK1-Smad1/5 signaling but decreased ALK5-Smad2/3 signaling, TGF-beta expression, and extracellular matrix production in the skin when compared with wild-type littermates. Furthermore, treatment with conditioned media from isolated keratinocytes or epidermal explants from CD109 transgenic mouse skin leads to a decrease in extracellular matrix production in mouse skin fibroblasts. Taken together, our findings suggest that CD109 differentially regulates TGF-beta-induced ALK1-Smad1/5 versus ALK5 Smad2/3 pathways, leading to decreased extracellular matrix production in the skin and that epidermal CD109 expression regulates dermal function through a paracrine mechanism. PMID- 27866971 TI - Snapping knee caused by the thickening of the medial hamstrings. AB - We report a case of symptomatic subluxation of the semitendinosus and gracilis over the medial condyle of the tibia caused by the thickening of its tendons. Snapping was reproduced on active extension. Clinical examination and, above all, dynamic ultrasound were the key for the diagnosis because other imaging tests were normal. Due to failure of conservative treatment with physiotherapy and infiltrations, surgery was undertaken, involving desinsertion and excision of distal 8cm segment of the semitendinosus and gracilis tendons. At the present time (6 months postoperatively), the patient is symptom-free and has returned to the previous normal life activities. PMID- 27866970 TI - Genotype-Phenotype Study of the Middle Gangetic Plain in India Shows Association of rs2470102 with Skin Pigmentation. AB - Our understanding of the genetics of skin pigmentation has been largely skewed towards populations of European ancestry, imparting less attention to South Asian populations, who behold huge pigmentation diversity. Here, we investigate skin pigmentation variation in a cohort of 1,167 individuals in the Middle Gangetic Plain of the Indian subcontinent. Our data confirm the association of rs1426654 with skin pigmentation among South Asians, consistent with previous studies, and also show association for rs2470102 single nucleotide polymorphism. Our haplotype analyses further help us delineate the haplotype distribution across social categories and skin color. Taken together, our findings suggest that the social structure defined by the caste system in India has a profound influence on the skin pigmentation patterns of the subcontinent. In particular, social category and associated single nucleotide polymorphisms explain about 32% and 6.4%, respectively, of the total phenotypic variance. Phylogeography of the associated single nucleotide polymorphisms studied across 52 diverse populations of the Indian subcontinent shows wide presence of the derived alleles, although their frequencies vary across populations. Our results show that both polymorphisms (rs1426654 and rs2470102) play an important role in the skin pigmentation diversity of South Asians. PMID- 27866972 TI - Letrozole regulates actin cytoskeleton polymerization dynamics in a SRC-1 dependent manner in the hippocampus of mice. AB - In the hippocampus, local estrogens (E2) derived from testosterone that is catalyzed by aromatase play important roles in the regulation of hippocampal neural plasticity, but the underlying mechanisms remain unclear. The actin cytoskeleton contributes greatly to hippocampal synaptic plasticity; however, whether it is regulated by local E2 and the related mechanisms remain to be elucidated. In this study, we first examined the postnatal developmental profiles of hippocampal aromatase and specific proteins responsible for actin cytoskeleton dynamics. Then we used aromatase inhibitor letrozole (LET) to block local E2 synthesis and examined the changes of these proteins and steroid receptor coactivator-1 (SRC-1), the predominant coactivator for steroid nuclear receptors. Finally, SRC-1 specific RNA interference was used to examine the effects of SRC-1 on the expression of these actin remodeling proteins. The results showed a V-type profile for aromatase and increased profiles for actin cytoskeleton proteins in both male and female hippocampus without obvious sex differences. LET treatment dramatically decreased the F-actin/G-actin ratio, the expression of Rictor, phospho-AKT (ser473), Profilin-1, phospho-Cofilin (Ser3), and SRC-1 in a dose dependent manner. In vitro studies demonstrated that LET induced downregulation of these proteins could be reversed by E2, and E2 induced increase of these proteins were significantly suppressed by SRC-1 shRNA interference. These results for the first time clearly demonstrated that local E2 inhibition could induce aberrant actin polymerization; they also showed an important role of SRC-1 in the mediation of local E2 action on hippocampal synaptic plasticity by regulation of actin cytoskeleton dynamics. PMID- 27866973 TI - Fluorescent rare earth solutions as intrinsic wavelength standards for protein fluorescence spectroscopy. AB - Trivalent Gd, Tm, and Dy solutions can be used as intrinsic excitation and emission standards to validate the UV and violet-blue wavelength accuracy of a spectrofluorimeter. Europium extends the range into the red. To attain sufficient sensitivity, these luminescent rare earth ions require deuterated reagents or carbonate complexation, which allow the use of ordinary water and thus preparation in virtually any laboratory. Such solutions are particularly valuable as system suitability standards (SST) for protein fluorescence spectroscopy to detect red shifts of the intrinsic fluorescence maximum in stability and storage studies. PMID- 27866975 TI - Expression of stem cell markers in oral cavity and oropharynx squamous cell carcinoma. AB - OBJECTIVES: The aim of this study was to analyze the expression of CD24, CD44, CD133, ALDH1, CD29 (integrin-beta1), and Ki-67 in squamous cell carcinoma of the oral cavity and oropharynx. STUDY DESIGN: Fifty-two tumors and 21 metastatic lymph nodes were evaluated by using immunohistochemistry. RESULTS: Seven of 52 cases (13.5%) showed positive cytoplasmic staining of aldehyde dehydrogenase 1; integrin-beta1 was expressed in 45 of 50 cases (90%); 30 of 52 cases (57.7%) had positive membranous staining of CD44; CD24 was expressed in 44 of 50 cases (88%); and three of 52 cases (5.8%) stained positively for membranous CD133. Median proliferation rate, measured by Ki-67, was 37.1% for tumors. Five-year cancer specific survival rates for the CD44-negative and CD44-positive groups were 74% and 38%, respectively, although this difference did not reach statistical significance (P = .052). CONCLUSIONS: Our study demonstrated the expression of putative stem cell markers in squamous cell carcinoma of the oral cavity and oropharynx, with participation of CD44-positive cells in association with poor survival outcome. PMID- 27866976 TI - Protective effect of rosiglitazone against acetaminophen-induced acute liver injury is associated with down-regulation of hepatic NADPH oxidases. AB - The peroxisome proliferator-activated receptor gamma (PPAR-gamma) is a ligand activated nuclear receptor that regulates glucose and lipid metabolism. The aim of the present study was to investigate the effects of rosiglitazone (RSG), a synthetic PPAR-gamma agonist, on acetaminophen (APAP)-induced acute liver injury. Male CD-1 mice were injected with APAP (300mg/kg). Some mice were pretreated with RSG (20mg/kg) 48, 24 and 1h before APAP injection. As expected, RSG pretreatment alleviated APAP-induced acute liver injury. Moreover, RSG pretreatment attenuated APAP-induced hepatic cell death and improved the survival. Although it did not affect hepatic cytochrome P450 (CYP)2E1 expression, RSG pretreatment attenuated reduction of hepatic glutathione peroxidase (GSH-Px), glutathione reductase (GSH Rd) and glutathione S-transferase (GST) activities, inhibited upregulation of hepatic nicotinamide adenine dinucleotide phosphate (NADPH) oxidase (NOX)-2 and NOX-4, and alleviated hepatic GSH depletion during APAP-induced acute liver injury. In addition, RSG pretreatment suppressed activation of hepatic nuclear factor kappa B (NF-kappaB) and extracellular signal-related kinase (ERK)/mitogen activated protein kinase (MAPK) signaling during APAP-induced acute liver injury. These results provide a novel mechanistic explanation for RSG-mediated protection against APAP-induced acute liver injury. The present results suggest that synthetic PPAR-gamma agonists might be effective agents for preventing the progression of APAP-induced acute liver injury. PMID- 27866977 TI - The anti-hyperplasia, anti-oxidative and anti-inflammatory properties of Qing Ye Dan and swertiamarin in testosterone-induced benign prostatic hyperplasia in rats. AB - Qing Ye Dan (QYD) is the whole plant of Swertia mileensis and used in Chinese folk medicine for the treatment of prostatitis, benign prostatic hyperplasia (BPH) and so on. This study was to investigate the effects of QYD and its main component swertiamarin on BPH induced by testosterone in rats. The prostatic expressions of vascular endothelial growth factor (VEGF), epidermal growth factor (EGF), basic fibroblast growth factor (betaFGF) and proliferating cell nuclear antigen (PCNA) were detected by immunohistochemistry assay. Prostatic levels of oxidative stress and inflammatory-related factors were also analyzed. Additionally, the prostatic expressions of androgen receptor (AR), estrogen receptor (ER)-alpha, ER-beta, hypoxia-inducible factor (HIF)-1alpha, B-cell CLL/lymphoma (Bcl)-2 and Bcl-2-associated X protein (Bax) were measured by western blot. The epithelial-mesenchymal transition (EMT) associated factors were evaluated by quantitative RT-PCR. It showed that QYD and swertiamarin ameliorated the testosterone-induced prostatic hyperplasia and collagen deposition, attenuated the over-expressions of HIF-1alpha, VEGF, EGF, betaFGF, PCNA, AR and ER-alpha, reduced the ratio of Bcl-2/Bax, enhanced the expression of ER-beta, inhibited the oxidative stress and local inflammation, as well as relieved prostatic EMT. It suggested that QYD and swertiamarin had prostatic protective potential against BPH. PMID- 27866978 TI - Stability and structural properties of gene regulation networks with coregulation rules. AB - Coregulation of the expression of groups of genes has been extensively demonstrated empirically in bacterial and eukaryotic systems. Such coregulation can arise through the use of shared regulatory motifs, which allow the coordinated expression of modules (and module groups) of functionally related genes across the genome. Coregulation can also arise through the physical association of multi-gene complexes through chromosomal looping, which are then transcribed together. We present a general formalism for modeling coregulation rules in the framework of Random Boolean Networks (RBN), and develop specific models for transcription factor networks with modular structure (including module groups, and multi-input modules (MIM) with autoregulation) and multi-gene complexes (including hierarchical differentiation between multi-gene complex members). We develop a mean-field approach to analyse the dynamical stability of large networks incorporating coregulation, and show that autoregulated MIM and hierarchical gene-complex models can achieve greater stability than networks without coregulation whose rules have matching activation frequency. We provide further analysis of the stability of small networks of both kinds through simulations. We also characterize several general properties of the transients and attractors in the hierarchical coregulation model, and show using simulations that the steady-state distribution factorizes hierarchically as a Bayesian network in a Markov Jump Process analogue of the RBN model. PMID- 27866979 TI - Species tree estimation using Neighbor Joining. AB - Recent theoretical work has demonstrated that Neighbor Joining applied to concatenated DNA sequences is a statistically consistent method of species tree reconstruction. This brief note compares the accuracy of this approach to other popular statistically consistent species tree reconstruction algorithms including ASTRAL-II Neighbor Joining using average gene-tree internode distances (NJst) and SVD-Quartets+PAUP*, as well as concatenation using maximum likelihood (RaxML). We find that the faster Neighbor Joining, applied to concatenated sequences, is among the most effective of these methods for accurate species tree reconstruction. PMID- 27866980 TI - Spherical agglomerates of lactose with enhanced mechanical properties. AB - The aim of this study was to prepare spherical agglomerates of lactose and to evaluate their physicochemical properties, flow properties, particle friability and compaction properties, and to compare them to commercially available types of lactose for direct compression (spray-dried, granulated and anhydrous beta lactose). Porous spherical agglomerates of alpha-lactose monohydrate with radially arranged prism-like primary particles were prepared exhibiting a high specific surface area. All types of lactose analysed had passable or better flow properties, except for anhydrous beta-lactose, which had poor flowability. Particle friability was more pronounced in larger granulated lactose particles; however, particle structure was retained in all samples analysed. The mechanical properties of spherical agglomerates of lactose, in terms of compressibility, established with Walker analysis, and compactibility, established with a compactibility profile, were found to be superior to any commercially available types of lactose. Higher compactibility of spherical agglomerates of lactose is ascribed to significantly higher particle surface area due to a unique internal structure with higher susceptibility to fragmentation. PMID- 27866974 TI - Sphingolipids in neutrophil function and inflammatory responses: Mechanisms and implications for intestinal immunity and inflammation in ulcerative colitis. AB - Bioactive sphingolipids are regulators of immune cell function and play critical roles in inflammatory conditions including ulcerative colitis. As one of the major forms of inflammatory bowel disease, ulcerative colitis pathophysiology is characterized by an aberrant intestinal inflammatory response that persists causing chronic inflammation and tissue injury. Innate immune cells play an integral role in normal intestinal homeostasis but their dysregulation is thought to contribute to the pathogenesis of ulcerative colitis. In particular, neutrophils are key effector cells and are first line defenders against invading pathogens. While the activity of neutrophils in the intestinal mucosa is required for homeostasis, regulatory mechanisms are equally important to prevent unnecessary activation. In ulcerative colitis, unregulated neutrophil inflammatory mechanisms promote tissue injury and loss of homeostasis. Aberrant neutrophil function represents an early checkpoint in the detrimental cycle of chronic intestinal inflammation; thus, dissecting the mechanisms by which these cells are regulated both before and during disease is essential for understanding the pathogenesis of ulcerative colitis. We present an analysis of the role of sphingolipids in the regulation of neutrophil function and the implication of this relationship in ulcerative colitis. PMID- 27866981 TI - Multiple coexistence equilibria in a two parasitoid-one host model. AB - Briggs et al. (1993) introduced a host-parasitoid model for the dynamics of a system with two parasitoids that attack different juvenile stages of a common host. Their main result was that coexistence of the parasitoids is only possible when there is sufficient variability in the maturation delays of the host juvenile stages. Here, we analyze the phenomenon of coexistence in that model more deeply. We show that with some distribution families for the maturation delays, the coexistence equilibrium is unique, while with other distributions multiple coexistence equilibria can be found. In particular, we find that stable coexistence does not necessarily require mutual invasibility. PMID- 27866983 TI - Downregulation of cytochrome c oxidase subunit 7A1 expression is important in enhancing cell proliferation in adenocarcinoma cells. AB - Mitochondrial Dysfunction has been implicated in multiple human diseases, including cancer. Among all cancer, lung cancer is the most common type of cancer worldwide with low survival rates. Mammals possess multiple subunits of the mitochondrial enzyme Cytochrome C oxidase (COX). The COX subunits are expressed in a tissue specific manner and have been implicated in cancer cell metabolism although their molecular and regulatory mechanisms are not clearly understood. In this study, we aimed at identifying novel gene signatures in lung cancer. We performed extensive analysis of seven different Gene Expression Omnibus (GEO) datasets pertaining to different stages of lung adenocarcinoma and identified that multiple subunits of COX genes are differentially expressed in these patients. Amongst all COX genes, the expression of COX7A1 gene was observed to be highly down regulated in these patients. In order to validate the GEO datasets, we looked at the expression of multiple COX genes using quantitative real time PCR (qPCR) using human lung adenocarcinoma cell line A549. Our results confirmed that COX 7A1 gene expression was indeed highly reduced in these cells. Overexpression of COX7A1 in human lung cancer cells led to inhibition of cell proliferation and increase in cell death via apoptosis. These results indicated that low level of COX7A1 gene expression is essential to regulate cell viability and inhibit cell death in lung adenocarcinoma. Our study has identified COX7A1 as a novel gene that might play a crucial role in the etiology of lung adenocarcinoma and can serve as a biomarker for lung cancer disease progression. PMID- 27866982 TI - Structure of the NS5 methyltransferase from Zika virus and implications in inhibitor design. AB - Recent outbreak of flavivirus Zika virus (ZIKV) in America has urged the basic as well as translational studies of this important human pathogen. The nonstructural protein 5 (NS5) of the flavivirus has an N-terminal methyltransferase (MTase) domain that plays critical roles in viral RNA genome capping. The null mutant of NS5 MTase is lethal for virus. Therefore, NS5 is a potential drug target for the treatment of Zika virus infection. In this study, we determined crystal structures of the ZIKV MTase in complex with GTP and RNA cap analogue 7meGpppA. Structural analyses revealed highly conserved GTP/cap-binding pocket and S adenosylmethionine (SAM)-binding pocket. Two conformations of the second base of the cap were identified, which suggests the flexibility of RNA conformation. In addition, the ligand-binding pockets identified a continuous region of hotspots suitable for drug design. Docking calculation shows that the Dengue virus inhibitor compound 10 may bind to the ZIKV MTase. PMID- 27866985 TI - Identification of functional bitter taste receptors and their antagonist in chickens. AB - Elucidation of the taste sense of chickens is important not only for the development of chicken feedstuffs for the chicken industry but also to help clarify the evolution of the taste sense among animals. There are three putative chicken bitter taste receptors, chicken T2R1 (cT2R1), cT2R2 and cT2R7, which were identified using genome information and cell-based assays. Previously, we have shown that cT2R1 is a functional bitter taste receptor through both cell-based assays and behavioral tests. In this study, therefore, we focused on the sensitivities of the other two bitter receptors, cT2R2 and cT2R7, by using their agonists in behavioral tests. We tested three agonists of cT2R2 and three agonists of cT2R7. In a 10-min drinking study, the intakes of cT2R2 agonist solutions were not different from that of water. On the other hand, the intakes of cT2R7 agonist solutions were significantly lower compared to water. In addition, we constructed cT2R1-and cT2R7-expressing cells in order to search for an antagonist for these functional bitter taste receptors. By using Ca2+ imaging methods, we found that 6-methoxyflavanone (6-meth) can inhibit the activities of both cT2R1 and cT2R7. Moreover, 6-meth also inhibited the reduction of the intake of bitter solutions containing cT2R1 or cT2R7 agonists in behavioral tests. Taken together, these results suggested that cT2R7 is a functional bitter taste receptor like cT2R1, but that cT2R2 is not, and that 6-meth is an antagonist for these two functional chicken bitter taste receptors. This is the first identification of an antagonist of chicken bitter receptors. PMID- 27866984 TI - p53R2 regulates thioredoxin reductase activity through interaction with TrxR2. AB - Ribonucleotide reductase small subunit p53R2 is a member of the ribonucleotide reductase family that supplies dNTPs for nuclear and mitochondrial DNA replication and repair. Here, we have identified a mitochondrial thioredoxin reductase 2 (TrxR2) as a novel p53R2-binding protein. We demonstrated a direct interaction between the two, and observed that p53R2 stimulated the enzymatic activity of TrxR in vitro. Moreover, TrxR2 activity was significantly lower in p53R2 knockdown cells, and increased when p53R2 was overexpressed, effects that were independent of p53. Furthermore, p53R2 knockdown suppressed UV-induced TrxR activity. These findings suggest that p53R2 acts as a positive regulator of TrxR2 activity in mitochondria both under normal physiological conditions and during the cellular response to DNA damage. PMID- 27866986 TI - Modelling of in-vitro and in-vivo performance of aerosol emitted from different vibrating mesh nebulisers in non-invasive ventilation circuit. AB - Substituting nebulisers by another in non-invasive ventilation circuit (NIV) involves many process variables which must be adjusted to ensure patient optimum therapy. However, there is a doubt when nebulisers use the same technology. Data mining technology based on artificial neural networks and genetic algorithms were used here to model in-vitro inhalation process and predict bioavailability from inhaled doses delivered by three different vibrating mesh nebulisers (VMNs) in NIV. Modelling of data indicated that in-vitro performance of VMNs was dependent mainly on fine particle fraction, mass median aerodynamic diameter (MMAD), total emitted dose (TED) and to lesser extent on nebuliser type. Ex-vivo model indicated that amount of salbutamol collected on facemask filter was directly affected by TED. In-vivo model showed that amount of salbutamol deposited into the lung (0.5hQ) and amount absorbed systemically (24hQ) were dependent directly on MMAD and TED. Female patients showed higher 24hQ values than males. Nebuliser type affected TED, 0.5hQ but not 24hQ values. Results indicate suitability of VMNs in achieving appropriate in-vitro inhalation performance model. The results also, indicate that the three VMNs are comparable and can be interchanged with no fear of any additional toxicity. PMID- 27866987 TI - Signalling product healthiness through symbolic package cues: Effects of package shape and goal congruence on consumer behaviour. AB - Three studies show that product packaging shape serves as a cue that communicates healthiness of food products. Inspired by embodiment accounts, we show that packaging that simulates a slim body shape acts as a symbolic cue for product healthiness (e.g., low in calories), as opposed to packaging that simulates a wide body shape. Furthermore, we show that the effect of slim package shape on consumer behaviour is goal dependent. Whereas simulation of a slim (vs. wide) body shape increases choice likelihood and product attitude when consumers have a health-relevant shopping goal, packaging shape does not affect these outcomes when consumers have a hedonic shopping goal. In Study 3, we adopt a realistic shopping paradigm using a shelf with authentic products, and find that a slim (as opposed to wide) package shape increases on-shelf product recognition and increases product attitude for healthy products. We discuss results and implications regarding product positioning and the packaging design process. PMID- 27866988 TI - The effects of partial sleep restriction and altered sleep timing on appetite and food reward. AB - : We examined the effects of partial sleep restriction (PSR) with an advanced wake-time or delayed bedtime on measures of appetite, food reward and subsequent energy intake (EI). Twelve men and 6 women (age: 23 +/- 4 years, body fat: 18.8 +/- 10.1%) participated in 3 randomized crossover sessions: control (habitual bed and wake-time), 50% PSR with an advanced wake-time and 50% PSR with a delayed bedtime. Outcome variables included sleep architecture (polysomnography), ad libitum EI (validated food menu), appetite sensations (visual analogue scales), satiety quotient (SQ; mm/100 kcal) and food reward (Leeds Food Preference Questionnaire and the relative-reinforcing value (RRV) of preferred food task). Increased fasting and post-standard breakfast appetite ratings were noted following PSR with an advanced wake-time compared to the control and PSR with a delayed bedtime sessions (Fasting hunger ratings: 77 +/- 16 vs. 65 +/- 18 and 64 +/- 16; P = 0.01; Post-meal hunger AUC: 5982 +/- 1781 vs. 4508 +/- 2136 and 5198 +/- 2201; P = 0.03). Increased explicit wanting and liking for high- relative to low-fat foods were also noted during the advanced wake-time vs. control session (Explicit wanting: -3.5 +/- 12.5 vs. -9.3 +/- 8.9, P = 0.01; Explicit liking: 1.6 +/- 8.5 vs. -7.8 +/- 9.6, P = 0.002). No differences in the RRV of preferred food, SQ and ad libitum lunch intake were noted between sessions. These findings suggest that appetite sensations and food reward are increased following PSR with an advanced wake-time, rather than delayed bedtime, vs. CONTROL: However, this did not translate into increased EI during a test meal. Given the increasing prevalence of shift workers and incidences of sleep disorders, additional studies are needed to evaluate the prolonged effects of voluntary sleep restriction with altered sleep timing on appetite and EI measurements. PMID- 27866989 TI - Do interoceptive awareness and interoceptive responsiveness mediate the relationship between body appreciation and intuitive eating in young women? AB - The extent to which an individual appreciates their own body is recognised as a proximal predictor of intuitive eating, but the mechanisms underlying this relationship are less clearly understood. This study tested whether two partially independent, self-reported facets of interoceptive ability: 'interoceptive awareness' (defined as the ability to detect internal bodily cues) and 'interoceptive responsiveness' (the way in which individuals value and respond to these cues) mediated the relationship between body appreciation and three subscales of intuitive eating: 'unconditional permission to eat'; 'reliance on internal hunger and satiety cues', and 'eating for physical rather than emotional reasons'. Multiple mediation analyses of data from an online survey of Australian college women (n = 200) showed that: (1) interoceptive awareness partially mediated the relationship between body appreciation and 'reliance on internal hunger and satiety cues', and (2) interoceptive responsiveness partially mediated the relationship between all three subscales of intuitive eating. Although preliminary, this work lends support to the theoretical framework of the acceptance model of intuitive eating and extends it by suggesting that the different facets of intuitive eating may have distinct underlying mechanisms. PMID- 27866990 TI - Longitudinal auditory learning facilitates auditory cognition as revealed by microstate analysis. AB - The current study investigates cognitive processes as reflected in late auditory evoked potentials as a function of longitudinal auditory learning. A normal hearing adult sample (n=15) performed an active oddball task at three consecutive time points (TPs) arranged at two week intervals, and during which EEG was recorded. The stimuli comprised of syllables consisting of a natural fricative (/sh/,/s/,/f/) embedded between two /a/ sounds, as well as morphed transitions of the two syllables that served as deviants. Perceptual and cognitive modulations as reflected in the onset and the mean global field power (GFP) of N2b- and P3b related microstates across four weeks were investigated. We found that the onset of P3b-like microstates, but not N2b-like microstates decreased across TPs, more strongly for difficult deviants leading to similar onsets for difficult and easy stimuli after repeated exposure. The mean GFP of all N2b-like and P3b-like microstates increased more in spectrally strong deviants compared to weak deviants, leading to a distinctive activation for each stimulus after learning. Our results indicate that longitudinal training of auditory-related cognitive mechanisms such as stimulus categorization, attention and memory updating processes are an indispensable part of successful auditory learning. This suggests that future studies should focus on the potential benefits of cognitive processes in auditory training. PMID- 27866991 TI - Parkinson's disease-like motor and non-motor symptoms in rotenone-treated zebrafish. AB - The pesticide rotenone is widely used to produce Parkinson's disease (PD)-like symptoms in rodents, but few studies have examined whether rotenone-treated zebrafish can serve as an animal model of PD. Here, we report that 4 weeks of rotenone treatment induced motor and non-motor PD-like symptoms in adult zebrafish. Compared with control fish, rotenone-treated fish spent less time swimming at a fast speed, indicating a deficit in motor function. In the light dark box test, rotenone-treated fish exhibited longer latencies to enter the dark compartment and spent more time in the light compartment, reflecting anxiety- and depression-like behavior. Furthermore, rotenone-treated fish showed less of an olfactory preference for amino acid, indicating olfactory dysfunction. These behavioral symptoms were associated with decreased levels of dopamine in the brains of rotenone-treated fish. Taken together, these results suggest that rotenone-treated zebrafish are a suitable model of PD. PMID- 27866992 TI - Comorbidities That Cause Pain and the Contributors to Pain in Individuals With Chronic Obstructive Pulmonary Disease. AB - OBJECTIVE: To determine comorbidities that cause pain and the potential contributors to pain in individuals with chronic obstructive pulmonary disease (COPD). DESIGN: Prospective cross-sectional survey study. SETTING: Pulmonary rehabilitation programs of 6 centers. PARTICIPANTS: A convenience sample of individuals with COPD (N=137) who attended pulmonary rehabilitation programs. In total, 100 (73%) returned the survey packages. Of those responders, 96 participants (70%) were included in the analyses. INTERVENTIONS: Not applicable. MAIN OUTCOME MEASURES: Pain was measured using the Brief Pain Inventory. The questionnaire used to obtain information about health conditions that might contribute to pain and a medication record asked, in lay terms, about comorbidities that cause pain. The health conditions that cause pain were then validated by health professionals. Demographics, fatigue, dyspnea, quality of life, and self-efficacy were also measured using questionnaires. RESULTS: Pain was reported in 71% (68/96) of participants. Low back pain was the most common location (41%). Arthritis (75%), back problems (47%), and muscle cramps (46%) were the most common comorbidities that caused pain. Lower self-efficacy, and renting rather than home ownership increased the likelihood of pain (P<.05). Pain severity and Brief Fatigue Inventory scores contributed to pain interference scores (P<.05). CONCLUSIONS: Pain was highly prevalent in pulmonary rehabilitation program participants with COPD. The most common causes of pain were musculoskeletal conditions. Pain severity and higher levels of fatigue contributed to how pain interfered with daily aspects of living. The assessment and management of pain need to be addressed within the overall care of individuals with COPD. PMID- 27866993 TI - MicroRNAs 223-3p and 93-5p in patients with chronic kidney disease before and after renal transplantation. AB - Chronic kidney disease (CKD) is associated with a multifactorial dysregulation of bone and vascular calcification and closely linked to increased cardiovascular mortality and concomitant bone disease. We aimed to investigate specific microRNA (miRNA) signatures in CKD patients to find indicators for vascular calcification and/or bone mineralization changes during CKD and after kidney transplantation (KT). A miRNA array was used to investigate serum miRNA profiles in CKD patients, then selected miRNAs were quantified in a validation cohort comprising 73 patients in CKD stages 3 to 5, 67 CKD patients after KT, and 36 healthy controls. A spectrum of biochemical parameters including markers for kidney function, inflammation, glucose, and mineral metabolism was determined. The relative expression of miR-223-3p and miR-93-5p was down-regulated in patients with CKD stage 4 and 5 compared to healthy controls. This down-regulation disappeared after kidney transplantation even when lower glomerular filtration rates (eGFR) persisted. MiR-223-3p and miR-93-5p were associated with interleukin-6 (IL-6) and eGFR levels, and by trend with interleukin-8 (IL-8), C-peptide, hematocrit, and parathyroid hormone (PTH). This study contributes new knowledge of serum miRNA expression profiles in CKD, potentially reflecting pathophysiological changes of bone and calcification pathways associated with inflammation, vascular calcification, mineral and glucose metabolism. Identified miRNA signatures can contribute to future risk markers or future therapeutic targets in bone and kidney disease. PMID- 27866994 TI - Corrigendum to genome-wide association study in East Asians suggests UHMK1 as a novel bone mineral density susceptibility gene. PMID- 27866995 TI - An integrated decision making approach for assessing healthcare waste treatment technologies from a multiple stakeholder. AB - With increased worldwide awareness of environmental issues, healthcare waste (HCW) management has received much attention from both researchers and practitioners over the past decade. The task of selecting the optimum treatment technology for HCWs is a challenging decision making problem involving conflicting evaluation criteria and multiple stakeholders. In this paper, we develop an integrated decision making framework based on cloud model and MABAC method for evaluating and selecting the best HCW treatment technology from a multiple stakeholder perspective. The introduced framework deals with uncertain linguistic assessments of alternatives by using interval 2-tuple linguistic variables, determines decision makers' relative weights based on the uncertainty and divergence degrees of every decision maker, and obtains the ranking of all HCW disposal alternatives with the aid of an extended MABAC method. Finally, an empirical example from Shanghai, China, is provided to illustrate the feasibility and effectiveness of the proposed approach. Results indicate that the methodology being proposed is more suitable and effective to handle the HCW treatment technology selection problem under vague and uncertain information environment. PMID- 27866996 TI - Spatial and temporal characteristics of elevated temperatures in municipal solid waste landfills. AB - Elevated temperatures in waste containment facilities can pose health, environmental, and safety risks because they generate toxic gases, pressures, leachate, and heat. In particular, MSW landfills undergo changes in behavior that typically follow a progression of indicators, e.g., elevated temperatures, changes in gas composition, elevated gas pressures, increased leachate migration, slope movement, and unusual and rapid surface settlement. This paper presents two MSW landfill case studies that show the spatial and time-lapse movements of these indicators and identify four zones that illustrate the transition of normal MSW decomposition to the region of elevated temperatures. The spatial zones are gas front, temperature front, and smoldering front. The gas wellhead temperature and the ratio of CH4 to CO2 are used to delineate the boundaries between normal MSW decomposition, gas front, and temperature front. The ratio of CH4 to CO2 and carbon monoxide concentrations along with settlement strain rates and subsurface temperatures are used to delineate the smoldering front. In addition, downhole temperatures can be used to estimate the rate of movement of elevated temperatures, which is important for isolating and containing the elevated temperature in a timely manner. PMID- 27866997 TI - Recovery of metallic concentrations from waste printed circuit boards via reverse floatation. AB - Efficient disposal of waste printed circuit boards (PCBs) is favorable toward recovering valuable components and reducing pollution. Reverse floatation was used to recover metallic concentrations from waste PCBs. Basic properties and mineralogical characteristics of raw PCBs were tested and analyzed. Results indicated that the grade of metallic concentrations declined as the size fraction of PCBs decreased. The major metallic elements found in PCBs were Cu, Pb, and Sn, as well as trace elements were also found in fine PCB particles. Kerosene and terpenic oil were used as the collector and frother in the floatation experiments. The effects of various operational factors, including the feeding concentration, aeration rate, and agitation speed of floatation machine, on the floatation performance of -0.25mm PCBs were experimentally studied to determine optimal range. The floatation results suggested that the yield of sinks and grade of metallic concentrations diminished significantly with the decrease of size fraction of PCBs. The maximum yields of sinks and highest grades of metallic concentrations were 48.72% and 16.86%, 47.96% and 14.61%, 44.36% and 8.81%, with the optimum recoveries of metallic concentrations of 94.69%, 90.06%, and 75.96% for size fractions of 0.125-0.25mm, 0.074-0.125mm, and -0.074mm PCBs, respectively. The recovery efficiency of metallic concentrations declined as the size fraction decreased. The efficient overall recovery performance of metallic concentrations from waste PCBs was obtained via reverse floatation. This study provides an alternative approach for disposing waste PCBs. PMID- 27866998 TI - Tomographic inversion of time-domain resistivity and chargeability data for the investigation of landfills using a priori information. AB - In this paper, we present a new code for the modelling and inversion of resistivity and chargeability data using a priori information to improve the accuracy of the reconstructed model for landfill. When a priori information is available in the study area, we can insert them by means of inequality constraints on the whole model or on a single layer or assigning weighting factors for enhancing anomalies elongated in the horizontal or vertical directions. However, when we have to face a multilayered scenario with numerous resistive to conductive transitions (the case of controlled landfills), the effective thickness of the layers can be biased. The presented code includes a model-tuning scheme, which is applied after the inversion of field data, where the inversion of the synthetic data is performed based on an initial guess, and the absolute difference between the field and synthetic inverted models is minimized. The reliability of the proposed approach has been supported in two real-world examples; we were able to identify an unauthorized landfill and to reconstruct the geometrical and physical layout of an old waste dump. The combined analysis of the resistivity and chargeability (normalised) models help us to remove ambiguity due to the presence of the waste mass. Nevertheless, the presence of certain layers can remain hidden without using a priori information, as demonstrated by a comparison of the constrained inversion with a standard inversion. The robustness of the above-cited method (using a priori information in combination with model tuning) has been validated with the cross-section from the construction plans, where the reconstructed model is in agreement with the original design. PMID- 27866999 TI - The 5-HT1A/1B-receptor agonist eltoprazine increases both catecholamine release in the prefrontal cortex and dopamine release in the nucleus accumbens and decreases motivation for reward and "waiting" impulsivity, but increases "stopping" impulsivity. AB - The 5-HT1A/1B-receptor agonist eltoprazine has a behavioral drug signature that resembles that of a variety of psychostimulant drugs, despite the differences in receptor binding profile. These psychostimulants are effective in treating impulsivity disorders, most likely because they increase norepinephrine (NE) and dopamine (DA) levels in the prefrontal cortex. Both amphetamine and methylphenidate, however, also increase dopamine levels in the nucleus accumbens (NAc), which has a significant role in motivation, pleasure, and reward. How eltoprazine affects monoamine release in the medial prefrontal cortex (mPFC), the orbitofrontal cortex (OFC), and the NAc is unknown. It is also unknown whether eltoprazine affects different forms of impulsivity and brain reward mechanisms. Therefore, in the present study, we investigate the effects of eltoprazine in rats in the following sequence: 1) the activity of the monoaminergic systems using in vivo microdialysis, 2) motivation for reward measured using the intracranial self-stimulation (ICSS) procedure, and finally, 3) "waiting" impulsivity in the delay-aversion task, and the "stopping" impulsivity in the stop-signal task. The microdialysis studies clearly showed that eltoprazine increased DA and NE release in both the mPFC and OFC, but only increased DA concentration in the NAc. In contrast, eltoprazine decreased 5-HT release in the mPFC and NAc (undetectable in the OFC). Remarkably, eltoprazine decreased impulsive choice, but increased impulsive action. Furthermore, brain stimulation was less rewarding following eltoprazine treatment. These results further support the long-standing hypothesis that "waiting" and "stopping" impulsivity are regulated by distinct neural circuits, because 5-HT1A/1B-receptor activation decreases impulsive choice, but increases impulsive action. PMID- 27867000 TI - Neuromodulatory effects of the dorsal hippocampal endocannabinoid system in dextromethorphan/morphine-induced amnesia. AB - Dextromethorphan which is an active ingredient in many cough medicines has been previously shown to potentiate amnesic effect of morphine in rats. However, the effect of dextromethorphan, that is also a noncompetitive N-methyl-D-aspartate (NMDA) receptor antagonist, in combination with morphine on hippocampus-based long term memory has not been well characterized. The aim of the present study was to assess the possible role of endocannabinoid system of the dorsal hippocampus in dextromethorphan /morphine-induced amnesia. Our results showed that intraperitoneal (i.p.) injection of morphine (5mg/kg) or dextromethorphan (5 15mg/kg) before testing the passive avoidance learning induced amnesia. Combination of ineffective doses of dextromethorphan (7.5mg/kg, i.p.) and morphine (2mg/kg, i.p.) also produced amnesia, suggesting the enhancing effects of the drugs. To assess the effect of the activation or inhibition of the dorsal hippocampal cannabinoid CB1 receptors on this amnesia, ACPA or AM251 as selective receptor agonists or antagonists were respectively injected into the CA1 regions before systemic injection of dextromethorphan and morphine. Interestingly, intra CA1 microinjection of ACPA (0.5-1ng/rat) improved the amnesic effect of dextromethorphan /morphine combination. The microinjection of AM251 into the CA1 region enhanced the response of the combination of dextromethorphan /morphine in inducing amnesia. Moreover, Intra-CA1 microinjection of AM251 inhibited the improving effect of ACPA on dextromethorphan /morphine-induced amnesia. It is important to note that intra-CA1 microinjection of the same doses of the agonist or antagonist by itself had no effects on memory formation. Thus, it can be concluded that the dorsal hippocampal endocannabinoid system, via CB1 receptor dependent mechanism, may be involved in morphine/dextromethorphan -induced amnesia. PMID- 27867001 TI - Comparison of Amrubicin and Weekly Cisplatin/Etoposide/Irinotecan in Patients With Relapsed Small-cell Lung Cancer. AB - BACKGROUND: Although several agents have been introduced for the treatment of relapsed small-cell lung cancer (SCLC), there is still only limited evidence regarding second- and later-line chemotherapies for these patients. PATIENTS AND METHODS: Consecutive patients with relapsed SCLC treated at the National Cancer Center Hospital between 2000 and 2014 were analyzed. Patients' characteristics and treatments to explore factors associated with the survival outcomes were reviewed. RESULTS: A total of 580 patients diagnosed as having SCLC received first-line chemotherapy/chemoradiotherapy, of which 343 (59%) received second line chemotherapy. Among the 343 patients, 193, 148, and 2 patients were diagnosed sensitive relapse, refractory relapse, and relapse of unknown sensitivity status, respectively. Second-line chemotherapy regimens used were as follows: amrubicin (AMR) in 188 (55%) patients; weekly cisplatin/etoposide/irinotecan (PEI) in 56 (16%) patients; topotecan in 18 (5.2%) patients; others in 81 (24%) patients. In the analysis including all patients, the following outcomes were obtained for the patients treated with AMR and PEI, respectively: objective response rate: 51% and 73%; median progression-free survival: 4.5 and 4.2 months; median overall survival: 10.0 and 10.8 months. Multivariate analysis identified sensitive relapse to first-line treatment (vs. refractory relapse) (P = .007) and AMR as second-line treatment (vs. PEI) (P = .005) as independent favorable prognostic factors for survival. CONCLUSION: AMR showed a favorable trend compared with PEI in terms of the progression-free survival and feasibility in SCLC patients with relapsed disease. Based on our findings, we suggest that a randomized trial comparing AMR and PEI is warranted. PMID- 27867002 TI - Trametinib plus 4-Methylumbelliferone Exhibits Antitumor Effects by ERK Blockade and CD44 Downregulation and Affects PD-1 and PD-L1 in Malignant Pleural Mesothelioma. AB - INTRODUCTION: Malignant pleural mesothelioma (MPM) is a highly aggressive malignancy in which the mitogen-activated protein kinase pathway plays a critical role in the regulation of tumorigenesis. Hyaluronic acid (HA) is a major component of the extracellular matrix, and elevated HA levels with a concurrent increase in malignant properties are associated with MPM. METHODS: We evaluated the effects of trametinib, a mitogen-activated protein kinase (MEK) inhibitor, and 4-methylumbelliferone (4-MU), an HA synthesis inhibitor, alone and in combination on MPM cells in vitro and in vivo. We studied the effects of trametinib, 4-MU, and their combination on MPM cells by using cell viability assays, Western blot analysis, and a mouse xenograft model. RESULTS: Trametinib and 4-MU exhibited antiproliferative activity in MPM cells. Trametinib blocked MEK-dependent extracellular signal-regulated kinase (ERK) phosphorylation and decreased CD44 expression in a concentration-dependent manner. Trametinib inhibited the expression of Fra-1 (the activator protein 1 [AP1] component), inhibited ERK phosphorylation, and decreased CD44 expression. 4-MU inhibited ERK phosphorylation but not CD44 expression. In a mouse xenograft model, trametinib and 4-MU alone suppressed tumor growth compared with a control. The combination had a greater inhibitory effect than either monotherapy. Immunohistochemical analysis showed that trametinib treatment alone significantly reduced expression of programmed cell death 1 ligand 1. Furthermore, the combination of trametinib and 4-MU resulted in higher expression of programmed cell death 1 and programmed cell death 1 ligand 1 than did the 4-MU treatment alone. CONCLUSIONS: Our results suggest that trametinib and 4-MU are promising therapeutic agents in MPM and that further study of the combination is warranted. PMID- 27867003 TI - Prognostic Impact of Newly Proposed M Descriptors in TNM Classification of Non Small Cell Lung Cancer. AB - INTRODUCTION: The International Association for the Study of Lung Cancer recently proposed new M descriptors for the next edition of the TNM classification for NSCLC, subdividing the current M1b category into two subcategories: M1b, which indicates a solitary extrathoracic metastasis in a single organ, and M1c, which indicates multiple extrathoracic metastasis. The purpose of this study was to validate the prognostic value of the newly proposed M descriptors in an independent cohort with multivariate and subgroup analysis. METHODS: A total of 1024 patients in a consecutive lung cancer database who had stage IV NSCLC treated between 2011 and 2014 were analyzed. Newly proposed M staging was used for classification and comparison of survival. Adjustment for other clinical covariates and subgroup analysis was conducted. RESULTS: According to the newly proposed M descriptors, 262 patients (25.6%), 152 patients (14.8%), and 610 patients (59.6%) were classified into the subgroups M1a, M1b, and M1c, respectively. The median overall survival times were 22.5, 17.8, and 13.6 months for the M1a, M1b, and M1c groups, respectively (p < 0.001). After adjustment for other covariates, Cox proportional hazards regression revealed statistically significantly shorter overall survival for the M1b group than for the M1a group (hazard ratio = 1.30; 95% confidence interval: 1.03-1.65, p = 0.03) and for the M1c than the M1b group (hazard ratio = 1.57; 95% confidence interval: 1.28-1.93, p < 0.001). These differences showed a consistent tendency regardless of pathologic and molecular subtypes. CONCLUSIONS: The newly proposed M descriptors have prognostic value in patients with stage IV NSCLC. PMID- 27867004 TI - Metabolic engineering of Bacillus subtilis fueled by systems biology: Recent advances and future directions. AB - By combining advanced omics technology and computational modeling, systems biologists have identified and inferred thousands of regulatory events and system wide interactions of the bacterium Bacillus subtilis, which is commonly used both in the laboratory and in industry. This dissection of the multiple layers of regulatory networks and their interactions has provided invaluable information for unraveling regulatory mechanisms and guiding metabolic engineering. In this review, we discuss recent advances in the systems biology and metabolic engineering of B. subtilis and highlight current gaps in our understanding of global metabolism and global pathway engineering in this organism. We also propose future perspectives in the systems biology of B. subtilis and suggest ways that this approach can be used to guide metabolic engineering. Specifically, although hundreds of regulatory events have been identified or inferred via systems biology approaches, systematic investigation of the functionality of these events in vivo has lagged, thereby preventing the elucidation of regulatory mechanisms and further rational pathway engineering. In metabolic engineering, ignoring the engineering of multilayer regulation hinders metabolic flux redistribution. Post-translational engineering, allosteric engineering, and dynamic pathway analyses and control will also contribute to the modulation and control of the metabolism of engineered B. subtilis, ultimately producing the desired cellular traits. We hope this review will aid metabolic engineers in making full use of available systems biology datasets and approaches for the design and perfection of microbial cell factories through global metabolism optimization. PMID- 27867006 TI - Intercellular Coupling of the Cell Cycle and Circadian Clock in Adult Stem Cell Culture. AB - Circadian clock-gated cell division cycles are observed from cyanobacteria to mammals via intracellular molecular connections between these two oscillators. Here we demonstrate WNT-mediated intercellular coupling between the cell cycle and circadian clock in 3D murine intestinal organoids (enteroids). The circadian clock gates a population of cells with heterogeneous cell-cycle times that emerge as 12-hr synchronized cell division cycles. Remarkably, we observe reduced amplitude oscillations of circadian rhythms in intestinal stem cells and progenitor cells, indicating an intercellular signal arising from differentiated cells governing circadian clock-dependent synchronized cell division cycles. Stochastic simulations and experimental validations reveal Paneth cell-secreted WNT as the key intercellular coupling component linking the circadian clock and cell cycle in enteroids. PMID- 27867005 TI - Temporal expression of CD184(CXCR4) and CD171(L1CAM) identifies distinct early developmental stages of human retinal ganglion cells in embryonic stem cell derived retina. AB - Human retinal ganglion cells (RGCs) derived from pluripotent stem cells (PSCs) have anticipated value for human disease study, drug screening, and therapeutic applications; however, their full potential remains underdeveloped. To characterize RGCs in human embryonic stem cell (hESC) derived retinal organoids we examined RGC markers and surface antigen expression and made comparisons to human fetal retina. RGCs in both tissues exhibited CD184 and CD171 expression and distinct expression patterns of the RGC markers BRN3 and RBPMS. The retinal progenitor cells (RPCs) of retinal organoids expressed CD184, consistent with its expression in the neuroblastic layer in fetal retina. In retinal organoids CD184 expression was enhanced in RGC competent RPCs and high CD184 expression was retained on post-mitotic RGC precursors; CD171 was detected on maturing RGCs. The differential expression timing of CD184 and CD171 permits identification and enrichment of RGCs from retinal organoids at differing maturation states from committed progenitors to differentiating neurons. These observations will facilitate molecular characterization of PSC-derived RGCs during differentiation, critical knowledge for establishing the veracity of these in vitro produced cells. Furthermore, observations made in the retinal organoid model closely parallel those in human fetal retina further validating use of retinal organoid to model early retinal development. PMID- 27867007 TI - SRF Co-factors Control the Balance between Cell Proliferation and Contractility. AB - The ERK-regulated ternary complex factors (TCFs) act with the transcription factor serum response factor (SRF) to activate mitogen-induced transcription. However, the extent of their involvement in the immediate-early transcriptional response, and their wider functional significance, has remained unclear. We show that, in MEFs, TCF inactivation significantly inhibits over 60% of TPA-inducible gene transcription and impairs cell proliferation. Using integrated SRF ChIP-seq and Hi-C data, we identified over 700 TCF-dependent SRF direct target genes involved in signaling, transcription, and proliferation. These also include a significant number of cytoskeletal gene targets for the Rho-regulated myocardin related transcription factor (MRTF) SRF cofactor family. The TCFs act as general antagonists of MRTF-dependent SRF target gene expression, competing directly with the MRTFs for access to SRF. As a result, TCF-deficient MEFs exhibit hypercontractile and pro-invasive behavior. Thus, competition between TCFs and MRTFs for SRF determines the balance between antagonistic proliferative and contractile programs of gene expression. PMID- 27867008 TI - Molecular Structures of Transcribing RNA Polymerase I. AB - RNA polymerase I (Pol I) is a 14-subunit enzyme that solely synthesizes pre ribosomal RNA. Recently, the crystal structure of apo Pol I gave unprecedented insight into its molecular architecture. Here, we present three cryo-EM structures of elongating Pol I, two at 4.0 A and one at 4.6 A resolution, and a Pol I open complex at 3.8 A resolution. Two modules in Pol I mediate the narrowing of the DNA-binding cleft by closing the clamp domain. The DNA is bound by the clamp head and by the protrusion domain, allowing visualization of the upstream and downstream DNA duplexes in one of the elongation complexes. During formation of the Pol I elongation complex, the bridge helix progressively folds, while the A12.2 C-terminal domain is displaced from the active site. Our results reveal the conformational changes associated with elongation complex formation and provide additional insight into the Pol I transcription cycle. PMID- 27867009 TI - A Polar and Nucleotide-Dependent Mechanism of Action for RAD51 Paralogs in RAD51 Filament Remodeling. AB - Central to homologous recombination in eukaryotes is the RAD51 recombinase, which forms helical nucleoprotein filaments on single-stranded DNA (ssDNA) and catalyzes strand invasion with homologous duplex DNA. Various regulatory proteins assist this reaction including the RAD51 paralogs. We recently discovered that a RAD51 paralog complex from C. elegans, RFS-1/RIP-1, functions predominantly downstream of filament assembly by binding and remodeling RAD-51-ssDNA filaments to a conformation more proficient for strand exchange. Here, we demonstrate that RFS-1/RIP-1 acts by shutting down RAD-51 dissociation from ssDNA. Using stopped flow experiments, we show that RFS-1/RIP-1 confers this dramatic stabilization by capping the 5' end of RAD-51-ssDNA filaments. Filament end capping propagates a stabilizing effect with a 5'->3' polarity approximately 40 nucleotides along individual filaments. Finally, we discover that filament capping and stabilization are dependent on nucleotide binding, but not hydrolysis by RFS 1/RIP-1. These data define the mechanism of RAD51 filament remodeling by RAD51 paralogs. PMID- 27867010 TI - Quorum Sensing Controls Adaptive Immunity through the Regulation of Multiple CRISPR-Cas Systems. AB - Bacteria commonly exist in high cell density populations, making them prone to viral predation and horizontal gene transfer (HGT) through transformation and conjugation. To combat these invaders, bacteria possess an arsenal of defenses, such as CRISPR-Cas adaptive immunity. Many bacterial populations coordinate their behavior as cell density increases, using quorum sensing (QS) signaling. In this study, we demonstrate that QS regulation results in increased expression of the type I-E, I-F, and III-A CRISPR-Cas systems in Serratia cells in high-density populations. Strains unable to communicate via QS were less effective at defending against invaders targeted by any of the three CRISPR-Cas systems. Additionally, the acquisition of immunity by the type I-E and I-F systems was impaired in the absence of QS signaling. We propose that bacteria can use chemical communication to modulate the balance between community-level defense requirements in high cell density populations and host fitness costs of basal CRISPR-Cas activity. PMID- 27867013 TI - Characterization of P2X4 receptor agonists and antagonists by calcium influx and radioligand binding studies. AB - Antagonists for ATP-activated P2X4 ion channel receptors are currently in the focus as novel drug targets, in particular for the treatment of neuropathic and inflammatory pain. We stably expressed the human, rat and mouse P2X4 receptors in 1321N1 astrocytoma cells, which is devoid of functional nucleotide receptors, by retroviral transfection, and established monoclonal cell lines. Calcium flux assay conditions were optimized for high-throughput screening resulting in a Z' factor of >0.8. The application of ready-to-use frozen cells did not negatively affect the results of the calcium assays, which is of great advantage for the screening of compound libraries. Species differences were observed, the rat P2X4 receptor being particularly insensitive to many ATP derivatives. Membrane preparations of the cell lines showed high levels of specific [35S]ATPgammaS binding with low nonspecific binding (<5% of total binding), while non transfected cells were devoid of specific binding sites for the radioligand. Conditions were employed which allow binding studies to be performed at room temperature. While a variety of nucleotide-derived agonists and the antagonist TNP-ATP displaced [35S]ATPgammaS from its binding site at human P2X4 receptors, the non-nucleotidic antagonists paroxetine and 5-BDBD did not compete with radioligand binding and were therefore characterized as allosteric antagonists. Homology modeling was applied to find an explanation for the observed species differences. PMID- 27867012 TI - A robust sparse-modeling framework for estimating schizophrenia biomarkers from fMRI. AB - BACKGROUND: Our goal is to identify the brain regions most relevant to mental illness using neuroimaging. State of the art machine learning methods commonly suffer from repeatability difficulties in this application, particularly when using large and heterogeneous populations for samples. NEW METHOD: We revisit both dimensionality reduction and sparse modeling, and recast them in a common optimization-based framework. This allows us to combine the benefits of both types of methods in an approach which we call unambiguous components. We use this to estimate the image component with a constrained variability, which is best correlated with the unknown disease mechanism. RESULTS: We apply the method to the estimation of neuroimaging biomarkers for schizophrenia, using task fMRI data from a large multi-site study. The proposed approach yields an improvement in both robustness of the estimate and classification accuracy. COMPARISON WITH EXISTING METHODS: We find that unambiguous components incorporate roughly two thirds of the same brain regions as sparsity-based methods LASSO and elastic net, while roughly one third of the selected regions differ. Further, unambiguous components achieve superior classification accuracy in differentiating cases from controls. CONCLUSIONS: Unambiguous components provide a robust way to estimate important regions of imaging data. PMID- 27867011 TI - Tetrameric Acetyl-CoA Acetyltransferase 1 Is Important for Tumor Growth. AB - Mitochondrial acetyl-CoA acetyltransferase 1 (ACAT1) regulates pyruvate dehydrogenase complex (PDC) by acetylating pyruvate dehydrogenase (PDH) and PDH phosphatase. How ACAT1 is "hijacked" to contribute to the Warburg effect in human cancer remains unclear. We found that active, tetrameric ACAT1 is commonly upregulated in cells stimulated by EGF and in diverse human cancer cells, where ACAT1 tetramers, but not monomers, are phosphorylated and stabilized by enhanced Y407 phosphorylation. Moreover, we identified arecoline hydrobromide (AH) as a covalent ACAT1 inhibitor that binds to and disrupts only ACAT1 tetramers. The resultant AH-bound ACAT1 monomers cannot reform tetramers. Inhibition of tetrameric ACAT1 by abolishing Y407 phosphorylation or AH treatment results in decreased ACAT1 activity, leading to increased PDC flux and oxidative phosphorylation with attenuated cancer cell proliferation and tumor growth. These findings provide a mechanistic understanding of how oncogenic events signal through distinct acetyltransferases to regulate cancer metabolism and suggest ACAT1 as an anti-cancer target. PMID- 27867014 TI - The cave microbiome as a source for drug discovery: Reality or pipe dream? AB - This review highlights cave habitats, cave microbiomes and their potential for drug discovery. Such studies face many challenges, including access to remote and pristine caves, and sample collection and transport. Inappropriate physical and chemical growth conditions in the laboratory for the isolation and cultivation of cave microorganisms pose many complications including length of cultivation; some cave microorganisms can take weeks and even months to grow. Additionally, DNA extraction from cave environmental samples may be difficult due to the high concentration of various minerals that are natural DNA blocking agents. Once cave microorganisms are grown in the lab, other problems often arise, such as maintenance of pure culture, consistency of antimicrobial activity and fermentation conditions for antimicrobial production. In this review, we suggest that, although based on what has been done in the field, there is potential in using cave microorganisms to produce antimicrobial agents, one needs to be highly committed and prepared. PMID- 27867015 TI - CMTM3 decreases EGFR expression and EGF-mediated tumorigenicity by promoting Rab5 activity in gastric cancer. AB - CMTM3 (CKLF-like MARVEL transmembrane domain containing 3), a tumor suppressor gene, is involved in multiple types of malignancies. CMTM3 knockdown promotes metastasis of gastric cancer via the STAT3/Twist1/EMT signaling pathway. Strong epidermal growth factor receptor1 (EGFR) expression is significantly associated with tumor metastasis and poor outcomes of gastric cancer patients. In this paper, we show that CMTM3 suppresses epidermal growth factor (EGF)-mediated migration and STAT3 signaling, downregulates EGFR expression via accelerating EGFR degradation in gastric cancer cells. CMTM3 colocalizes with early endosome markers Rab5 and EEA1. Co-immunoprecipitation (Co-IP) assay further confirms that CMTM3 interacts with Rab5. More importantly, CMTM3 markedly increases Rab5 activity. The suppressive effects of CMTM3 on EGFR expression and EGF-mediated migration can be abrogated by the siRNA against Rab5. Finally, we found that the C-terminal region of CMTM3 plays more important roles in the tumor suppressive effects of CMTM3. Overall, this study demonstrates that CMTM3 decreases EGFR expression, facilitates EGFR degradation, and inhibits the EGF-mediated tumorigenicity of gastric cancer cells via enhancing Rab5 activity. PMID- 27867016 TI - Vasohibin 2 promotes epithelial-mesenchymal transition in human breast cancer via activation of transforming growth factor beta 1 and hypoxia dependent repression of GATA-binding factor 3. AB - Vasohibin 2 (VASH2) is identified as an angiogenic factor, and has been implicated in tumor angiogenesis, proliferation and epithelial-mesenchymal transition (EMT). To investigate the EMT role of VASH2 in breast cancer, we overexpressed or knocked down expression of VASH2 in human breast cancer cell lines. We observed that VASH2 induced EMT in vitro and in vivo. The transforming growth factor beta1 (TGFbeta1) pathway was activated by VASH2, and expression of a dominant negative TGFbeta type II receptor could block VASH2-mediated EMT. In clinical breast cancer tissues VASH2 positively correlated with TGFbeta1 expression, but negatively correlated with E-cadherin (a marker of EMT) expression. Under hypoxic conditions in vitro or in vivo, we found that down regulation of estrogen receptor 1 (ESR1) in VASH2 overexpressing ESR1 positive cells suppressed E-cadherin. Correlation coefficient analysis indicated that VASH2 and ESR1 expression were negatively correlated in clinical human breast cancer tissues. Further study revealed that a transcription factor of ESR1, GATA binding factor 3 (GATA3), was down-regulated by VASH2 under hypoxia or in vivo. These findings suggest that VASH2 drives breast cancer cells to undergo EMT by activation of the TGFbeta1 pathway and hypoxia dependent repression GATA3-ESR1 pathway, leading to cancer metastasis. PMID- 27867018 TI - Chitin synthase 1 gene is crucial to antifungal host defense of the model beetle, Tribolium castaneum. AB - The importance of the insect cuticle as a primary protective barrier against entomopathogens has long been noted. In the present study, we addressed this issue by utilizing an experimental infection system composed of the model beetle T. castaneum and two entomopathogenic fungal species, Beauveria bassiana and Metarhizium anisopliae. The pupae were relatively susceptible to these fungi by the natural route of infection, with some refractoriness developed with age, while the adults exhibited much higher refractoriness. Whereas M. anisopliae exhibited seemingly higher infectivity to the pupae compared to B. bassiana when the natural conidium infection was employed, direct inoculation of cultured hyphal body cells into the hemocoel was found highly and equally virulent in the pupae for the both fungal species. These results collectively suggest an important role of the cuticular integument in antifungal host defense, and we subsequently conducted the knockdown of chitin synthase 1 gene (CHS1). We targeted the prepupal and mid-pupal peaks of its expression respectively by using injection of the dsRNA at very low dosages to avoid lethality. The resulting pupae looked normal, but the adults showed a mild phenotype with dimpled/wrinkled elytra. The CHS1 gene knockdown compromised significantly host defense against the fungal infection via the natural route, except the configuration of knockdown pupae and M. anisopliae, suggesting an indispensable role of CHS1. PMID- 27867019 TI - Potential of RNAi applications to control viral diseases of farmed shrimp. AB - Viral pathogens pose a primary threat to global shrimp aquaculture. Despite the urgent industry need for them, practical anti-viral control methods are unavailable due, in part, to lack of an adaptive immune response in crustaceans that renders conventional vaccination methods ineffective. One currently studied method of high interest for protecting shrimp against viral infection relies on the post-transcriptional gene silencing mechanism called RNA interference (RNAi) that is induced by gene-specific constructs of double stranded RNA (dsRNA). Although this approach was first described for successful protection of shrimp against white spot disease (WSD) by injecting dsRNA specific to genes of white spot syndrome virus (WSSV) into shrimp in the laboratory in 2005 no practical method for use of dsRNA in shrimp farms has been developed to date. The apparent bottleneck for farm-scale applications of RNAi-mediated viral control in shrimp aquaculture is the lack of simple and cost-effective delivery methods. This review summarizes recent studies on use and delivery of dsRNA to shrimp via injection and oral routes in hatcheries and on farms and it discusses the research directions that might lead to development of practical methods for applications with farmed shrimp. Oral delivery methods tested so far include use of dsRNA-expressing bacteria as a component of dry feed pellets or use of living brine shrimp (Artemia) pre-fed with dsRNA before they are fed to shrimp. Also tested have been dsRNA enclosed in nanocontainers including chitosan, liposomes and viral-like particles (VLP) before direct injection or use as components of feed pellets for hatchery or pond-reared shrimp. PMID- 27867017 TI - Genomic amplification of Fanconi anemia complementation group A (FancA) in head and neck squamous cell carcinoma (HNSCC): Cellular mechanisms of radioresistance and clinical relevance. AB - Radio (chemo) therapy is a crucial treatment modality for head and neck squamous cell carcinoma (HNSCC), but relapse is frequent, and the underlying mechanisms remain largely elusive. Therefore, novel biomarkers are urgently needed. Previously, we identified gains on 16q23-24 to be associated with amplification of the Fanconi anemia A (FancA) gene and to correlate with reduced progression free survival after radiotherapy. Here, we analyzed the effects of FancA on radiation sensitivity in vitro, characterized the underlying mechanisms, and evaluated their clinical relevance. Silencing of FancA expression in HNSCC cell lines with genomic gains on 16q23-24 resulted in significantly impaired clonogenic survival upon irradiation. Conversely, overexpression of FancA in immortalized keratinocytes conferred increased survival accompanied by improved DNA repair, reduced accumulation of chromosomal translocations, but no hyperactivation of the FA/BRCA-pathway. Downregulation of interferon signaling as identified by microarray analyses, enforced irradiation-induced senescence, and elevated production of the senescence-associated secretory phenotype (SASP) appeared to be candidate mechanisms contributing to FancA-mediated radioresistance. Data of the TCGA HNSCC cohort confirmed the association of gains on 16q24.3 with FancA overexpression and impaired overall survival. Importantly, transcriptomic alterations similar to those observed upon FancA overexpression in vitro strengthened the clinical relevance. Overall, FancA amplification and overexpression appear to be crucial for radiotherapeutic failure in HNSCC. PMID- 27867020 TI - A Randomized Dose Escalation Study of Intravenous Baclofen in Healthy Volunteers: Clinical Tolerance and Pharmacokinetics. AB - BACKGROUND: Abrupt discontinuation of baclofen can result in a potentially severe withdrawal syndrome. The current treatment for baclofen withdrawal is inadequate, resulting in a critical need to develop an alternative method to prevent or treat this withdrawal syndrome. OBJECTIVE: To evaluate the safety profile and pharmacokinetics of oral (PO) and investigational intravenous (IV) baclofen formulations at clinically relevant doses. DESIGN: Randomized, open-label, dose escalation, crossover study. SETTING: Contract Research Organization (CRO). METHODS: Three cohorts of 12 healthy adults received single doses of PO baclofen (10 mg, 15 mg or 20 mg) and 10-minute infusions of IV baclofen (7.5 mg, 11.5 mg, or 15 mg) with a minimum 48-hour wash-out period. The third cohort also received a 60-minute infusion of 15 mg IV baclofen after an additional 48-hour wash-out period. MAIN OUTCOME MEASURES: Subjects were observed in a CRO for 24 hours after each dose of baclofen, and were assessed for nystagmus, ataxia, and sedation. Blood samples were collected from 0 to 24 hours and analyzed for baclofen concentration using high-performance liquid chromatography-mass spectroscopy. Noncompartmental pharmacokinetic analyses were performed. Dose linearity and proportionality was assessed using 2-way repeated-measures analysis of variance and a power model analysis. RESULTS: None of the PO or IV doses resulted in significant sedation compared to baseline. All subjects could perform tandem gait after each baclofen dose. The most common side effect, transient mild nystagmus, was noted in 4 of 36 and in 13 of 36 subjects after PO and IV administration, respectively. This was likely related to increased maximum concentrations (Cmax). After the 20 mg PO and 15 mg IV doses, mean Cmax levels were 255 and 722 ng/mL and half-lives were 5.24 and 5.79 hours for PO and IV baclofen, respectively. The mean oral bioavailability for the 20-mg PO dose was approximately 80%. CONCLUSIONS: All PO and IV doses of baclofen were well tolerated clinically. The 80% bioavailability suggests that a 20% reduction in IV dose will produce comparable total drug exposures to that of the PO dose. When PO therapy is interrupted, bridging with IV baclofen may be feasible. LEVEL OF EVIDENCE: II. PMID- 27867022 TI - Choroidal neovascularization secondary to Best vitelliform macular dystrophy detected by optical coherence tomography angiography. AB - Best vitelliform macular dystrophy (VMD) is a hereditary condition that causes childhood-onset macular dystrophy. In rare cases, VMD is accompanied by formation of a choroidal neovascular membrane (CNVM). We report a case of CNVM secondary to Best VMD in a 10-year-old boy that was detected using optical coherence tomography angiography, a new noninvasive diagnostic modality that detects motion contrast in repeated B-scans to identify blood flow within vessels. PMID- 27867021 TI - Patient-reported long-term sexual outcomes following plication surgery for penile curvature: A retrospective 58-patient study. AB - OBJECTIVE: To evaluate long-term sexual function results following plication surgery for the correction of penile curvature using patient questionnaires. METHODS: We performed a single-center, retrospective study in a cohort of patients with Peyronie's disease or congenital penile curvature. All patients who underwent plication surgery on the convex aspect using the Nesbit, Yachia or diamond-shaped techniques were included. At a mean 34 months after the interventions, the patients were asked to respond to the IIEF5 questionnaire and a 19-item questionnaire. RESULTS: Forty-six patients operated for Peyronie's disease and 12 for congenital curvature (total: 58) were included in the study. The questionnaire response rate was 69% (40/58). The shortened penis bothered 47.5% of patients in their sexuality at least regularly. Involuntary exit from the vagina occurred for 35% of the patients in at least one out of two sexual intercourse sessions. Postoperative sexual life was as good as or better than preoperative sexual life for 35% of the patients and 95% stated that they could achieve erection at least sometimes, in coherence with the mean IIEF5 result of 19.3/25. CONCLUSION: Our study suggests that even when successful, a relatively high rate of patients may be unsatisfied with the results of plication surgery, and there may be a relatively low rate of maintenance or improvement of postoperative sexual life. Furthermore, our in-house questionnaire, although not validated, shed light on how bothersome the loss of penis length is in postoperative sexuality, an aspect the IIEF5 and its sole evaluation of erectile quality cannot detect. LEVEL OF EVIDENCE: 4. PMID- 27867024 TI - Bariatric surgery in morbidly obese adolescents. PMID- 27867023 TI - The role of white matter microstructure in inhibitory deficits in patients with schizophrenia. AB - BACKGROUND: Inhibitory-excitatory (I-E) imbalance has increasingly been proposed as a fundamental mechanism giving rise to many schizophrenia-related pathophysiology. The integrity of I-E functions should require precise and rapid electrical signal transmission. OBJECTIVE/HYPOTHESIS: We hypothesized that part of the I-E abnormality in schizophrenia may originate from their known abnormal white matter connectivity that may interfere the I-E functions. METHODS: We test this using short-interval intracortical inhibition (SICI) vs. intracortical facilitation (ICF) which is a non-invasive measurement of I-E signaling. SICI-ICF from left motor cortex and white matter microstructure were assessed in schizophrenia patients and healthy controls. RESULTS: Schizophrenia patients showed significantly reduced SICI but not ICF. White matter microstructure as measured by fraction anisotropy (FA) in diffusion tensor imaging had a significant effect on SICI in patients, such that weaker SICI was associated with lower FA in several white matter tracts, most strongly with left corona radiata (r = -0.68, p = 0.0002) that contains the fibers connecting with left motor cortex. Left corticospinal tract, which carries the motor fibers to peripheral muscular output, also showed significant correlation with SICI (r = -0.54, p = 0.005). Mediation analysis revealed that much of the schizophrenia disease effect on SICI can be accounted for by mediation through left corona radiata. SICI was also significantly associated with the performance of processing speed in patients. CONCLUSION: This study demonstrated the importance of structural circuitry integrity in inhibitory signaling in schizophrenia, and encouraged modeling the I-E dysfunction in schizophrenia from a circuitry perspective. PMID- 27867025 TI - Comparison of short-segment pedicle fixation with versus without inclusion of the fracture level in the treatment of mild thoracolumbar burst fractures. AB - BACKGROUND: A review of the literature showed that posterior short-segment fixation including the fractured vertebra (PSFFV) has better outcomes in the treatment of thoracolumbar burst fractures(TBFs) than patients with short-segment pedicle screw fixation(SSPF) alone. However, its efficacy in mild TBFs with load sharing scores of 3 and 4 points has not been specifically analyzed. The aim of this study was to compare the clinical, functional and radiologic results of PSFFV with SSPF for mild TBFs and to determine whether the screws in the fractured vetebra were necessary for these patients. METHODS: In this retrospective study, sixty-nine patients with mild TBFs were divided into 2 groups according to the number of instrumented levels. Group A included 34 patients treated by SSPF (four screws:one level above and below the fracture), and Group B included 35 patients treated by PSFFV (six screws: including the fractured vertebra). Clinical and radiologic parameters were evaluated before surgery, after surgery, and at follow-up. They included clinical outcomes: visual analog scale (VAS), Oswestry Disability Index (ODI). Being a radiology-based study, the radiologic measures included vertebral wedge angle (VWA), and anterior vertebral height (AVH). RESULTS: A sum of 69 patients (34 patients in Group A and 35 patients in Group B) were enrolled in the study. The patients in both the groups showed similar outcomes with regards to age, gender, fracture type and site. We did not find any statistically difference between the two groups in corrected rate of VWA or AVH (P > 0.05). In terms of clinical variants such as VAS and ODI scores, there were also no significant differences. However, the SSPF had advantages over PSFFV method in operative time, blood loss, postoperative drainage and postoperative hospitalization time (P > 0.05). There were no serious complications occurring during our study, such as infection, blood vessel injury, spinal cord or nerve root injury. No patient needed revision for loss of correction or failure of instrumentation. CONCLUSIONS: SSPF alone is a safe and effective surgical method for restoration and maintenance of vertebral column stability in treating mild TBFs. It gives excellent clinical and radiological results regardless of whether the fractured vertebra is included in the fixation or not. PMID- 27867027 TI - Therapeutic potential of hepcidin - the master regulator of iron metabolism. AB - Iron is an essential biogenic element for both prokaryotic and eukaryotic cells. In humans iron is present in hundreds of different metalloproteins. The peptide hormone hepcidin serves as a master regulator of iron homeostasis on the level of single cells and whole organism - by altering cell surface expression of cellular iron exporter - protein ferroportin. Altered levels of extracellular hepcidin lead to pathological conditions such as hemochromatosis and iron loading or, on the other side, iron restrictive anemias. Therapeutic modulation of hepcidin is a new and promising approach to treatment of these conditions. In this review, a summary of the current knowledge of hepcidin function, regulation and pathological involvements are provided, followed by a section covering the therapeutic potential of hepcidin and the current strategies how to modulate its levels and biological functions for therapeutic purposes. PMID- 27867029 TI - Genotypic diversity of porcine circovirus type 2 (PCV2) and genotype shift to PCV2d in Korean pig population. AB - Porcine circovirus type 2 (PCV2) is a causative agent of PCV2-associated disease (PCVAD), which leads to enormous economic losses in the swine industry worldwide. A high nucleotide substitution rate allows for the continuous evolution of PCV2 and the emergence of novel PCV2 strains. However, the distribution of emerging PCV2 genotypes and the co-existence of multiple genotypes in Korea have not been elucidated. The objective of this study was to determine the genetic diversity of PCV2 in Korean pig herds between 2009 and 2016. The overall prevalence of PCV2, from various samples originating from commercial pigs, was 53.8% (325/604). Two cases of a genotype shift to PCV2d at the farm level showed that the genotype shift started before 2012. In addition, genotype-specific PCR, on pen-based oral fluid samples for nationwide PCV2 surveillance in 2016, indicated that the infection pattern of PCV2 genotypes at the farm level was as follows; none (6/69), PCV2a (6/69), PCV2b (2/69), PCV2d (33/69), PCV2a/b (2/69), PCV2a/d (4/69), PCV2b/d (11/69), and PCV2a/b/d (2/69), respectively. This suggests that the genotype shift to PCV2d occurred on a nationwide scale and that the co existence of different genotypes is common in Korean pig herds. In addition, seven sites on the capsid protein of Korean PCV2 were identified as being under positive selection pressure, all of which are related to the epitope region and neutralization activity. These data provide evidence of increased genetic diversity and shifts among Korean PCV2 isolates. PMID- 27867026 TI - Artemisinin and its derivatives in treating protozoan infections beyond malaria. AB - Parasitic protozoan diseases continue to rank among the world's greatest global health problems, which are also common among poor populations. Currently available drugs for treatment present drawbacks, urging the need for more effective, safer, and cheaper drugs. Artemisinin (ART) and its derivatives are some of the most important classes of antimalarial agents originally derived from Artemisia annua L. However, besides the outstanding antimalarial and antischistosomal activities, ART and its derivatives also possess activities against other parasitic protozoa. In this paper we review the activities of ART and its derivatives against protozoan parasites in vitro and in vivo, including Leishmania spp., Trypanosoma spp., Toxoplasma gondii, Neospora caninum, Eimeria tenella, Acanthamoeba castellanii, Naegleria fowleri, Cryptosporidium parvum, Giardia lamblia, and Babesia spp. We conclude that ART and its derivatives may be good alternatives for treating other non-malarial protozoan infections in developing countries, although more studies are necessary before they can be applied clinically. PMID- 27867030 TI - Gemcitabine treatment enhanced the anti-tumor effect of cytokine induced killer cells by depletion of CD4+CD25bri regulatory T cells. AB - Cytokine induced killer (CIK) cells have a powerful tumor cells killing activity both in vitro and in vivo and transfusion of these cells have become an adjuvant treatment for tumors. CIK cells are induced and amplified from peripheral blood mononuclear cells (PBMCs) with multiple cytokines. As CD4+CD25bri regulatory T cells can be also induced by high dose of interleukin 2 (IL-2) which is used for CIK cells amplification in the CIK cell culture system, the anti-tumor activity of CIK cells was suppressed to some extent. In order to overcome this unwanted suppressive factor, we found that low dose of gemcitabine could reduce the proportion of CD4+CD25bri regulatory T cells in the CIK cell culture system and significantly enhance the anti-tumor activity of CIK cells in vitro. The levels of interleukin-10 (IL-10) and transforming growth factor-beta (TGF-beta) were also reduced significantly following the depletion of CD4+CD25bri regulatory T cells in gemcitabine treated CIK cell culture system. In vivo experiment showed that low dose of gemcitabine treated CIK cells significantly suppressed tumor growth and prolonged their lifespan in tumor-bearing nude mice, with the proportion of CD4+CD25bri regulatory T cells reduced. Meanwhile, we detected lower levels of IL-10, TGF-beta and a higher level of interferon-gamma (IFN gamma) in tumor-bearing nude mice that received gemcitabine treated CIK cells transfusion than those in other groups. The possible mechanism involved in the enhanced anti-tumor activity in vivo was that gemcitabine treated CIK cells created a strengthened anti-tumor immune microenvironment with the changed levels of cytokines such as IL-10, TGF-beta and IFN-gamma. These results suggested a strategy to improve the adoptive immune therapy in recent use by removing the suppressive factors and a more effective tumor treatment combining chemotherapy and immunotherapy. PMID- 27867028 TI - Control of human papillomavirus gene expression by alternative splicing. AB - Human papillomaviruses possess circular double stranded DNA genomes of around 8kb in size from which multiple mRNAs are synthesized during an infectious life cycle. Although at least three viral promoters are used to initiate transcription, viral mRNAs are largely the product of processing of pre-mRNAs by alternative splicing and polyadenylation. The HPV life cycle and viral gene expression are tightly linked to differentiation of the epithelium the virus infects: there is an orchestrated production of viral mRNAs and proteins. In this review we describe viral mRNA expression and the roles of the SR and hnRNP proteins that respectively positively and negatively regulate splicing. We discuss HPV regulation of splicing factors and detail the evidence that the papillomavirus E2 protein has splicing-related activities. We highlight the possibility that HPV-mediated control of splicing in differentiating epithelial cells may be necessary to accomplish the viral replication cycle. PMID- 27867031 TI - Marine n-3 fatty acids are incorporated into atrial tissue but do not correlate with postoperative atrial fibrillation in cardiac surgery. AB - OBJECTIVES: Postoperative new-onset atrial fibrillation (POAF) in cardiac surgery is associated with increased morbidity and mortality. Because n-3 polyunsaturated fatty acids (n-3 PUFA) have an antiarrhythmic effect, we hypothesized that a high content of marine n-3 PUFA in the atrial wall was associated with a reduced risk of POAF. DESIGN: Venous blood and tissue from the right atrial appendage were obtained from 50 patients undergoing elective cardiac surgery. We determined the content of marine n-3 PUFA in atrial tissue and in plasma phospholipids using gas chromatography. RESULTS: The mean age of the patients (results available from 49 patients) was 66.0+/-10.4years, and 22, 14, 10 and 3 patients underwent coronary artery bypass surgery, valve, combined or other cardiac surgery, respectively. Eighteen patients (36.7%) developed POAF. Concentrations of n-3 PUFA in the atrial wall and in plasma phospholipids did not predict the development of POAF, but there were significant correlations between marine n-3 PUFA in atrial tissue and plasma. CONCLUSION: Levels of marine n-3 PUFA in the atrial wall was not associated with the risk of POAF following cardiac surgery, despite significant correlations of marine n-3 PUFA in the atrium and in plasma phospholipids. PMID- 27867032 TI - Neural correlates of temporal context retrieval for abstract scrambled phrases: Reducing narrative and familiarity-based strategies. AB - Temporal context, memory for the timing of events, can be assessed using non temporal strategies such as relative familiarity or inference from a semantic narrative. Neuroimaging studies, which have previously encouraged such strategies, find similar patterns of brain regions involved in both temporal and non-temporal context memory. The present study aims to investigate whether previous findings are driven by the use of non-temporal strategies or whether the same pattern of brain regions is identified when relative familiarity and semantic narrative strategies are discouraged. We used abstract phrases (e.g. alone me leave) created by scrambling familiar three-word phrases. The words in the phrases were less concrete than the object image stimuli used in previous studies of temporal context memory (Jenkins and Ranganath, 2010) and were presented quickly while participants read each word aloud. This differed from previous studies in which participants were encouraged to use narrative strategies during encoding (Tubridy and Davachi, 2011) and was designed to discourage use of narrative strategies. The relative familiarity of the words within each phrase was similar and likely not diagnostic of word order during encoding, in order to minimize the use of relative familiarity strategies. Neuroimaging results indicate that temporal context retrieval was associated with the hippocampus, parahippocampal cortex, ventromedial prefrontal cortex, and retrosplenial cortex, which are regions consistent with the retrieval of non temporal context in episodic memory, suggesting that previous findings were not driven entirely by non-temporal strategies but rather that temporal memory relies on similar brain regions to non-temporal memory. PMID- 27867033 TI - Differences in Abeta brain networks in Alzheimer's disease and healthy controls. AB - The prevailing beta-amyloid (Abeta)-cascade hypothesis is the most classical Alzheimer's disease (AD) pathogenesis. In this hypothesis, excessive Abeta plaque deposition in human brain is considered to be the cause of AD. Carbon 11-labeled Pittsburgh compound B Positron emission tomography (11C-PiB PET) is the latest technology to detect Abeta plaques in vivo. Thus, it is possible to investigate the difference of Abeta brain networks between AD patients and Health Controls (HC) by analyzing 11C-PiB PET images. In this study, a graph-theoretical method was employed to investigate the topological properties of Abeta networks in 18 Chinese AD patients and 16 HC subjects from Huashan Hospital, Shanghai. The results showed that both groups demonstrated small-world property, and this property was more obvious in AD group. Additionally, the clustering coefficients and path lengths were significantly lower in AD group. The global efficiency was larger in AD than in HC. A direct comparison between with and without regression found that sex, age and weight had no significant effect on the Abeta network. Moreover, three altered regions in AD group were identified, including left cuneus (CUN.L), right caudate nucleus (CAU.R) and left superior frontal gyrus (SFGdor. L). A voxel-wise correlation analysis showed that in AD patients, the regions of strengthened connection with CUN.L were mainly located in frontal cortex and parietal cortex, the regions of strengthen connection with CAU.R were mainly located in temporal cortex. Finally, a machine learning based analysis demonstrated that the three regions could be better biomarkers than the whole brain for AD classification. PMID- 27867034 TI - The effects of NBM- lesion on synaptic plasticity in rats. AB - The nucleus basalis magnocellularis (NBM) is a major source of cholinergic projections to the neocortex that is vulnerable to degeneration in Alzheimer's disease. Despite numerous anatomical, pharmacological, behavioral, and physiological investigations of NBM, there is no in vivo study of its effects on short- or long-term synaptic plasticity. Hence, this study was devoted to the assessment of the effects of bilateral lesion of the NBM on synaptic plasticity in the dentate gyrus of the hippocampus using electrophysiological techniques. For this purpose, twenty-five male Wistar rats were randomly allocated into the three Control, Sham, and NBM-lesioned groups. Lesion was made via bilateral injections of 5ug/ul ibotenic acid. After twenty-one days, the input-output functions, paired-pulse facilitation/inhibition, and long-term potentiation (LTP) were evaluated in the dentate gyrus while the perforant pathway was stimulated. NBM lesion was found to attenuate the basal synaptic responsiveness, paired-pulse responses, and LTP in the rats' dentate gyrus, indicating that lesions of this cholinergic nucleus affects both short- and long-term neural plasticity in the dentate gyrus although NBM does not send direct cholinergic projections to the hippocampus. PMID- 27867035 TI - Two-Way Conversion between Lipogenic and Myogenic Fibroblastic Phenotypes Marks the Progression and Resolution of Lung Fibrosis. AB - Idiopathic pulmonary fibrosis (IPF) is a form of progressive interstitial lung disease with unknown etiology. Due to a lack of effective treatment, IPF is associated with a high mortality rate. The hallmark feature of this disease is the accumulation of activated myofibroblasts that excessively deposit extracellular matrix proteins, thus compromising lung architecture and function and hindering gas exchange. Here we investigated the origin of activated myofibroblasts and the molecular mechanisms governing fibrosis formation and resolution. Genetic engineering in mice enables the time-controlled labeling and monitoring of lipogenic or myogenic populations of lung fibroblasts during fibrosis formation and resolution. Our data demonstrate a lipogenic-to-myogenic switch in fibroblastic phenotype during fibrosis formation. Conversely, we observed a myogenic-to-lipogenic switch during fibrosis resolution. Analysis of human lung tissues and primary human lung fibroblasts indicates that this fate switching is involved in IPF pathogenesis, opening potential therapeutic avenues to treat patients. PMID- 27867038 TI - Comparative mitogenomic analysis of three species of periwinkles: Littorina fabalis, L. obtusata and L. saxatilis. AB - The flat periwinkles, Littorina fabalis and L. obtusata, offer an interesting system for local adaptation and ecological speciation studies. In order to provide genomic resources for these species, we sequenced their mitogenomes together with that of the rough periwinkle L. saxatilis by means of next generation sequencing technologies. The three mitogenomes present the typical repertoire of 13 protein-coding genes, 22 transfer RNA genes, two ribosomal RNA genes and a putative control region. Although the latter could not be fully recovered in flat periwinkles using short-reads due to a highly repetitive fragment, in L. saxatilis this problem was overcome with additional long-reads and we were able to assemble the complete mitogenome. Both gene order and nucleotide composition are similar between the three species as well as compared to other Littorinimorpha. A large variance in divergence was observed across mitochondrial regions, with six- to ten-fold difference between the highest and the lowest divergence rates. Based on nucleotide changes on the whole molecule and assuming a molecular clock, L. fabalis and L. obtusata started to diverge around 0.8 Mya (0.4-1.1 Mya). The evolution of the mitochondrial protein-coding genes in the three Littorina species appears mainly influenced by purifying selection as revealed by phylogenetic tests based on dN/dS ratios that did not detect any evidence for positive selection, although some caution is required given the limited power of the dataset and the implemented approaches. PMID- 27867039 TI - Peritoneal dialysis effluent miR-21 and miR-589 levels correlate with longitudinal change in peritoneal transport characteristics. AB - BACKGROUND: The role of microRNA (miRNA) in peritoneal fibrosis and longitudinal change in transport is uncertain. METHODS: We studied 80 new peritoneal dialysis (PD) patients. Peritoneal transport was determined by standard peritoneal equilibration test (PET) of creatinine at baseline. Based on published literature, PD effluent levels of 10 miRNA targets were quantified. PET and miRNA quantification were repeated one year later in 46 patients. RESULTS: Baseline PD effluent levels of all targets tested had modest but significant correlation with peritoneal transport parameters. PD effluent miR-21 and miR-589 levels correlated with dialysate-to-plasma creatinine concentration at 4h (D/P4) at baseline (r=0.377, p=0.001 and r=0.237, p=0.037, respectively) and after one year of PD (r=0.362, p=0.014 and r=0.402, p=0.007). The change in PD effluent -21 and miR 589 levels over one year correlated with the corresponding change in D/P4 (r=0.470, p=0.001 and r=0.479, p=0.002). The number of peritonitis episodes during follow up significantly correlated with the change in PD effluent miR-21 (r=0.387, p=0.009) and miR-589 (r=0.336, p=0.027) levels. There was no significant correlation between PD effluent miRNA level and ultrafiltration volume. CONCLUSION: Amongst the 10 miRNA targets tested, miR-21 and miR-589 showed consistently significant relation with peritoneal transport. Further studies are needed to delineate their mechanisms of regulating peritoneal transport. PMID- 27867037 TI - Cardiac Fibroblasts Adopt Osteogenic Fates and Can Be Targeted to Attenuate Pathological Heart Calcification. AB - Mammalian tissues calcify with age and injury. Analogous to bone formation, osteogenic cells are thought to be recruited to the affected tissue and induce mineralization. In the heart, calcification of cardiac muscle leads to conduction system disturbances and is one of the most common pathologies underlying heart blocks. However the cell identity and mechanisms contributing to pathological heart muscle calcification remain unknown. Using lineage tracing, murine models of heart calcification and in vivo transplantation assays, we show that cardiac fibroblasts (CFs) adopt an osteoblast cell-like fate and contribute directly to heart muscle calcification. Small-molecule inhibition of ENPP1, an enzyme that is induced upon injury and regulates bone mineralization, significantly attenuated cardiac calcification. Inhibitors of bone mineralization completely prevented ectopic cardiac calcification and improved post injury heart function. Taken together, these findings highlight the plasticity of fibroblasts in contributing to ectopic calcification and identify pharmacological targets for therapeutic development. PMID- 27867040 TI - Epilepsy in MELAS. PMID- 27867036 TI - DNA Methylation Dynamics of Human Hematopoietic Stem Cell Differentiation. AB - Hematopoietic stem cells give rise to all blood cells in a differentiation process that involves widespread epigenome remodeling. Here we present genome wide reference maps of the associated DNA methylation dynamics. We used a meta epigenomic approach that combines DNA methylation profiles across many small pools of cells and performed single-cell methylome sequencing to assess cell-to cell heterogeneity. The resulting dataset identified characteristic differences between HSCs derived from fetal liver, cord blood, bone marrow, and peripheral blood. We also observed lineage-specific DNA methylation between myeloid and lymphoid progenitors, characterized immature multi-lymphoid progenitors, and detected progressive DNA methylation differences in maturing megakaryocytes. We linked these patterns to gene expression, histone modifications, and chromatin accessibility, and we used machine learning to derive a model of human hematopoietic differentiation directly from DNA methylation data. Our results contribute to a better understanding of human hematopoietic stem cell differentiation and provide a framework for studying blood-linked diseases. PMID- 27867041 TI - Infantile Epileptic Encephalopathy Associated With SCN2A Mutation Responsive to Oral Mexiletine. AB - BACKGROUND: Genetic alterations are significant causes of epilepsy syndromes; especially early-onset epileptic encephalopathies and voltage-gated sodium channelopathies are among the best described. Mutations in the SCN2A subunit of voltage-gated sodium channels have been associated with benign familial neonatal infantile seizures, generalized epilepsy febrile seizures plus, and an early onset infantile epileptic encephalopathy. METHOD: We describe two infants with medically refractory seizures due to a de novo SCN2A mutation. RESULTS: The first child responded to intravenous lidocaine with significant reduction in seizure frequency and was successfully transitioned to enteral mexiletine. Mexiletine was subsequently used in a second infant with reduction in seizure frequency. CONCLUSION: Class 1b antiarrhythmic agents, lidocaine and mexiletine, may be useful in infants with medically refractory early infantile epileptic encephalopathy secondary to mutations in SCN2A. PMID- 27867042 TI - Poly(ADP-ribose)polymerase-1 hyperactivation in neurodegenerative diseases: The death knell tolls for neurons. AB - Neurodegeneration is a salient feature of chronic refractory brain disorders like Alzheimer's, Parkinson's, Huntington's, amyotropic lateral sclerosis and acute conditions like cerebral ischemia/reperfusion etc. The pathological protein aggregates, mitochondrial mutations or ischemic insults typifying these disease conditions collude with and intensify existing oxidative stress and attendant mitochondrial dysfunction. Interlocking these mechanisms is poly(ADP-ribose) polymerase (PARP-1) hyperactivation that invokes a distinct form of neuronal cell death viz., 'parthanatos'. PARP-1, a typical 'moonlighting protein' by virtue of its ability to poly(ADP-ribosyl)ate a plethora of cellular proteins exerts diverse functions that impinge significantly on cellular processes. In addition, its interactions with various nuclear proteins like transcription factors and chromatin modifiers elicit varied transcriptional outcomes that wield pathological cellular responses. Further, emerging leitmotifs like mitochondrial and nucleolar PARPs and the novel aspects of gene expression regulation by PARP-1 and poly(ADP-ribosyl)ation can provide a holistic view of PARP-1's influence on cell vitality. In this review, we discuss the pathological underpinnings of PARP 1, with a special emphasis on mitochondrial dysfunction and cell death subroutines, in the realm of neurodegeneration. This would provide a deeper insight into the functions of PARP-1 in neurodegenerative conditions that would enable the development of more effective therapeutic strategies. PMID- 27867043 TI - Acute social stress-induced immunomodulation in pigs high and low responders to ACTH. AB - Pig husbandry is known as an intensive breeding system, piglets being submitted to multiple stressful events such as early weaning, successive mixing, crowding and shipping. These stressors are thought to impair immune defences and might contribute, at least partly, to the prophylactic use of antibiotics. Robustness was recently defined as the ability of an individual to express a high-production potential in a wide variety of environmental conditions. Increasing robustness thus appears as a valuable option to improve resilience to stressors and could be obtained by selecting piglets upon their adrenocortical activity. In this study, we aimed at depicting the consequences of an acute social stress on the immune capacity of piglets genetically selected upon divergent hypothalamic-pituitary adrenocortical (HPA) axis activity. For this purpose, we monitored neuroendocrine and immune parameters, in high- (HPAhi) and low- (HPAlo) responders to ACTH, just before and immediately after a one-hour mixing with unfamiliar conspecifics. As expected, stressed piglets displayed higher levels of circulating cortisol and norepinephrine. Blood cell count analysis combined to flow cytometry revealed a stress-induced leukocyte mobilization in the bloodstream with a specific recruitment of CD8alpha+ lymphocytes. Besides, one-hour mixing decreased LPS induced IL-8 and TNFalpha secretions in whole-blood assays (WBA) and reduced mononuclear cell phagocytosis. Altogether, our data demonstrate that acute social stress alters immune competence of piglets from both groups, and bring new insights in favour of good farming practices. While for most parameters high- and low-responders to ACTH behaved similarly, HPAhi piglets displayed higher number of CD4+ CD8alpha- T cells, as well as increased cytokine production in WBA (LPS induced TNFalpha and PIL-induced IL-8), which could confer them increased resistance to pathogens. Finally, a principal component analysis including all parameters highlighted that overall stress effects were less pronounced on piglets with a strong HPA axis. Thus, selection upon adrenocortical axis activity seems to reduce the magnitude of response to stress and appears as a good tool to increase piglet robustness. PMID- 27867045 TI - MinVar: A rapid and versatile tool for HIV-1 drug resistance genotyping by deep sequencing. AB - Genotypic monitoring of drug-resistance mutations (DRMs) in HIV-1 infected individuals is strongly recommended to guide selection of the initial antiretroviral therapy (ART) and changes of drug regimens. Traditionally, mutations conferring drug resistance are detected by population sequencing of the reverse transcribed viral RNA encoding the HIV-1 enzymes target by ART, followed by manual analysis and interpretation of Sanger sequencing traces. This process is labor intensive, relies on subjective interpretation from the operator, and offers limited sensitivity as only mutations above 20% frequency can be reliably detected. Here we present MinVar, a pipeline for the analysis of deep sequencing data, which allows reliable and automated detection of DRMs down to 5%. We evaluated MinVar with data from amplicon sequencing of defined mixtures of molecular virus clones with known DRM and plasma samples of viremic HIV-1 infected individuals and we compared it to VirVarSeq, another virus variant detection tool exclusively working on Illumina deep sequencing data. MinVar was designed to be compatible with a diverse range of sequencing platforms and allows the detection of DRMs and insertions/deletions from deep sequencing data without the need to perform additional bioinformatics analysis, a prerequisite to a widespread implementation of HIV-1 genotyping using deep sequencing in routine diagnostic settings. PMID- 27867044 TI - Mitochondrial dysfunction in cancer chemoprevention by phytochemicals from dietary and medicinal plants. AB - Cancer chemoprevention, a scientific term coined by Dr. Sporn in the late seventies, implies use of natural or synthetic chemicals to block, delay or reverse carcinogenesis. Phytochemicals derived from edible and medicinal plants have been studied rather extensively for cancer chemoprevention using preclinical models in the past few decades. Nevertheless, some of these agents (e.g., isothiocyanates from cruciferous vegetables like broccoli and watercress) have already entered into clinical investigations. Examples of widely studied and highly promising phytochemicals from edible and medicinal plants include cruciferous vegetable constituents (phenethyl isothiocyanate, benzyl isothiocyanate, and sulforaphane), withaferin A (WA) derived from a medicinal plant (Withania somnifera) used heavily in Asia, and an oriental medicine plant component honokiol (HNK). An interesting feature of these structurally-diverse phytochemicals is that they target mitochondria to provoke cancer cell-selective death program. Mechanisms underlying cell death induction by commonly studied phytochemicals have been discussed rather extensively and thus are not covered in this review article. Instead, the primary focus of this perspective is to discuss experimental evidence pointing to mitochondrial dysfunction in cancer chemoprevention by promising phytochemicals. PMID- 27867046 TI - Efficient production of an avian adeno-associated virus vector using insect cell/baculovirus expression system. AB - Recombinant avian adeno-associated virus (rAAAV) is a promising gene transfer vector for avian cells. Although rAAAV can be produced by co-transfection of HEK293 cells with three plasmids, both scalability and productivity of the transient transfection method can not meet the demand for large-scale in vivo experiments. In this study, a scalable rAAAV production method was established by using insect cell/baculovirus expression system. Three recombinant baculoviruses, namely BacARep, BacAVP and BacAGFP, were generated by transfection of Sf9 cells with the three plasmids expressing AAAV Rep genes, modified VP gene or the inverted terminal repeats-flanked green fluorescent protein (GFP) gene. After demonstration of the correct expression of AAAV genes, rAAAV-GFP was produced by triple infection of insect cells or triple transfection of HEK293 cells for comparison purpose. Electron microscopy revealed the formation of typical AAAV particles in the insect cells. Western blotting showed the correct assembly of rAAAV particles with a VP protein ratio similar to that of AAAV. Quantitative PCR showed that the insect cell-produced rAAAV yield was almost 25-fold higher than that produced by HEK293 cells. Fluorescent microscopy showed that the insect cell produced rAAAV could transfer GFP reporter gene into two avian cell types with similar transfer efficiency to that of HEK293 cell-produced rAAAV. These data suggest that insect cell/baculovirus expression system could be used for scalable production of rAAAV, and the viral vector produced could be used as the gene transfer vehicle for avian cells. PMID- 27867047 TI - Assessing the intra-species genetic variability in the clonal pathogen Campylobacter fetus: CRISPRs are highly polymorphic DNA markers. AB - Campylobacter fetus is a Gram-negative, microaerophilic bacterium that infects animals and humans. The subspecies Campylobacter fetus subsp. fetus (Cff) affects a broad range of vertebrate hosts and induces abortion in cows and sheep. Campylobacter fetus subsp. venerealis (Cfv) is restricted to cattle and causes the endemic disease bovine genital campylobacteriosis, which triggers reproductive problems and is responsible for major economic losses. Campylobacter fetus subsp. testudinum (Cft) has been isolated mostly from apparently healthy reptiles belonging to different species but also from ill snakes and humans. Genotypic differentiation of Cff and Cfv is difficult, and epidemiological information is scarce because there are few methods to study the genetic diversity of the strains. We analyze the efficacy of MLST, ribosomal sequences (23S gene and internal spacer region), and CRISPRs to assess the genetic variability of C. fetus in bovine and human isolates. Sequences retrieved from complete genomes were included in the analysis for comparative purposes. MLST and ribosomal sequences had scarce or null variability, while the CRISPR-cas system structure and the sequence of CRISPR1 locus showed remarkable diversity. None of the sequences here analyzed provided evidence of a genetic differentiation of Cff and Cfv in bovine isolates. Comparison of bovine and human isolates with Cft strains showed a striking divergence. Inter-host differences raise the possibility of determining the original host of human infections using CRISPR sequences. CRISPRs are the most variable sequences analyzed in C. fetus so far, and constitute excellent representatives of a dynamic fraction of the genome. CRISPR typing is a promising tool to characterize isolates and to track the source and transmission route of C. fetus infections. PMID- 27867048 TI - Feasibility and Learning Curve of Robotic Laparoendoscopic Single-Site Surgery in Gynecology. AB - Single-site laparoscopy has proven to be a desirable option for patients undergoing gynecologic surgery, with some studies indicating improved cosmesis and less perioperative pain compared with standard approaches. This study describes the safety and feasibility of a novel robotic laparoendoscopic single site surgery (R-LESS) platform as it is incorporated into a surgeon's practice with extensive multiport robotic surgical experience but limited LESS experience. We reviewed 83 women undergoing R-LESS by a single surgeon from September 2013 through August 2015. Operative times (total operative time, console time, docking time) were collected prospectively for the first 53 cases, and total operative time was collected retrospectively for the next 30 cases. Clinical parameters, including age, estimated blood loss, body mass index (BMI), prior abdominal surgeries, conversion to laparotomy, procedure type, uterine weight, length of hospital stay, and complications, were retrospectively collected from medical charts. Eighty-two of 83 surgeries were completed successfully with a single incision. One surgery was converted to multiport robotics for para-aortic lymph node dissection. Twelve surgeries were performed for cancer (ovary 1, uterus 8, and cervix 3). Eight patients underwent pelvic lymph node biopsy. The median total operative time for hysterectomies was 128 minutes (range, 60-275). After the first 13 hysterectomies the total operative time and the console time decreased significantly from 165.3 to 131.1 minutes (p = .032) and from 84.9 to 57.1 minutes (p = .028), respectively. Mean docking time halved from 7.8 minutes to 3.4 minutes comparing the first 10 cases to the last 10 cases. Surgical times were longer with larger BMIs, but the console time decreased with experience regardless of BMI. The mean uterine weight was 164 g (range, 30-460). Complications included 2 umbilical hernias (2.4%) and 1 conversion to multiport. In conclusion, R-LESS is a feasible and safe surgical platform for gynecologic procedures. A small number of cases are needed to significantly improve operative times when it is introduced on a surgeon's practice with limited experience in LESS but familiar with robotic surgery. Further study is needed to investigate the cost, benefits, and long-term outcomes of R-LESS. PMID- 27867049 TI - Improving Rates of Post-Essure Hysterosalpingography in an Urban Population Using Electronic Tracking Reminders. AB - STUDY OBJECTIVE: To demonstrate the efficacy of electronic reminders for follow up hysterosalpingography (HSG) after Essure hysteroscopic sterilization in an urban tertiary care hospital obstetrics and gynecology practice. DESIGN: Retrospective cohort study (Canadian Task Force classification II-3). SETTING: Obstetrics and gynecology practice at a university-affiliated urban tertiary care teaching hospital. PATIENTS: Two hundred and fifty patients who underwent Essure hysteroscopic sterilization between June 2011 and July 2014. INTERVENTION: Implementation of electronic reminders for the office staff. MEASUREMENTS AND MAIN RESULTS: Two hundred and fifty of 259 patients (96.5%) underwent Essure hysteroscopic sterilization and successful placement of coils into bilateral Fallopian tubes. Among these 250 patients, 135 (54%) returned for HSG at 3 months post-Essure as advised at the time of procedure. The use of electronic reminders prompted another 45 patients (18%) to return for HSG, improving the total post Essure follow-up rate to 72%. CONCLUSION: Electronic reminders for the office staff of an urban tertiary care hospital's obstetrics and gynecology practice is an effective method for improving the rate of post-Essure HSG. PMID- 27867050 TI - Laparoscopic Resection of Cesarean Scar Ectopic Pregnancy. AB - STUDY OBJECTIVE: To demonstrate a technique for the laparoscopic surgical management of cesarean section scar ectopic pregnancy. DESIGN: Step-by-step presentation of the procedure using video (Canadian Task Force classification III). SETTING: Cesarean section scar ectopic pregnancy is a rare form of ectopic pregnancy with an incidence ranging from 1:1800 to 1:2216. Over the last decade, the incidence seems to be on the rise with increasing rates of cesarean deliveries and early use of Doppler ultrasound. These pregnancies can lead to life-threatening hemorrhage, uterine rupture, and hysterectomy if not managed promptly. Local or systemic methotrexate therapy has been used successfully but can result in prolonged hospitalization, requires long-term follow-up, and in some cases treatment can fail. In the hands of a trained operator, laparoscopic resection can be performed to manage this type of pregnancy. PATIENT: Consent was obtained from the patient, and exemption was granted from the local Internal Review Board (The Womens' Hospital, Parkville). INTERVENTIONS, MEASUREMENTS AND MAIN RESULTS: In this video we describe our technique for laparoscopic management of a cesarean scar ectopic pregnancy. We present the case of a 34-year-old G4P2T1 with the finding of a live 8-week pregnancy embedded in the cesarean section scar. The patient had undergone 2 previous uncomplicated cesarean sections at term. On presentation her beta-human chorionic gonadotropin (beta-hCG) level was 52 405 IU/L. She was initially managed with an intragestational sac injection of potassium chloride and methotrexate, followed by 4 doses of intramuscular methotrexate. Despite these conservative measures, the level of beta-hCG did not adequately fall and an ultrasound showed a persistent 4-cm mass. A decision was made to proceed with surgical treatment in the form of a laparoscopic resection of the ectopic pregnancy. The surgery was uneventful, and the patient was discharged home within 24 hours of her procedure. Her serial beta-hCG levels were followed until complete resolution. CONCLUSION: Laparoscopic excision of cesarean section scar ectopic pregnancy is an effective procedure for the management of this increasingly more common condition. The use of vasopressin intraoperatively and laparoscopic suturing can prevent hemorrhage and allow for the safe removal of the ectopic pregnancy with multilayer repair of the uterine defect. PMID- 27867051 TI - Total Laparoscopic Hysterectomy Versus Vaginal Hysterectomy: A Systematic Review and Meta-Analysis. AB - Hysterectomies performed laparoscopically have greatly increased within the last few decades and even exceed the number of vaginal hysterectomies (VHs). This systematic review, conducted according to the Meta-analysis of Observational Studies in Epidemiology guidelines, compares surgical outcomes of total laparoscopic hysterectomy (TLH) and VH to evaluate which approach offers the most benefits. A literature search was performed in PubMed, Embase, and Web of Science for all relevant publications from January 2000 to February 2016. All randomized controlled trials and cohort studies for benign indication or low-grade malignancy comparing TLH with VH were considered for inclusion. From the literature search, 24 articles were found to be relevant and included in this review. The results of our meta-analysis showed no difference between the 2 groups for overall complications (OR 1.24 [.68, 2.28] for major complications; OR .83 [.53, 1.28] for minor complications), risk of ureter and bladder injuries (OR .81 [.34, 1.92]), intraoperative blood loss (mean difference [MD] -30 mL [-67.34, 7.60]), and length of hospital stay (-.61 days [-1.23, -.01]). VH was associated with a shorter operative time (MD 42 minute [29.34, 55.91]) and a lower rate of vaginal cuff dehiscence (OR 6.28 [2.38, 16.57]) and conversion to laparotomy (OR 3.89 [2.18, 6.95]). Although not significant, the costs of procedure were lower for VH (MD 3889.9 dollars [2120.3, 89 000]). Patients in the TLH group had lower postoperative visual analog scale scores (MD -1.08, [-1.74, -.42]) and required less analgesia during a shorter period of time (MD -.64 days, [-1.06, -.22]). Defining the best surgical approach is a dynamic process that requires frequent re-evaluation as techniques improve. Although TLH and VH result in similar outcomes, our meta-analysis showed that when both procedures are feasible, VH is currently still associated with greater benefits, such as shorter operative time, lower rate of vaginal dehiscence and conversion to laparotomy, and lower costs. Many factors influence the choice for surgical approach to hysterectomy, and shared decision-making is recommended. PMID- 27867052 TI - Accelerating MRI fat quantification using a signal model-based dictionary to assess gastric fat volume and distribution of fat fraction. AB - To quantify intragastric fat volume and distribution with accelerated magnetic resonance (MR) imaging using signal model-based dictionaries (DICT) in comparison to conventional parallel imaging (CG-SENSE). This study was approved by the local ethics committee and written informed consent was obtained. Seven healthy subjects were imaged after intake of a lipid emulsion and data at three different time points during the gastric emptying process was acquired in order to cover a range of fat fractions. Fully sampled and prospectively undersampled image data at a reduction factor of 4 were acquired using a multi gradient echo sequence at 1.5T. Retrospectively and prospectively undersampled data were reconstructed with DICT and CG-SENSE. Image quality of the retrospectively undersampled data was assessed relative to the fully sampled reference using the root mean square error (RMSE). In order to assess the agreement of fat volumes and intragastric fat distribution, Bland-Altman analysis and linear regression were performed on the data. The RMSE in intragastric content (DeltaRMSE=0.10+/-0.01, P<0.001) decreased significantly with DICT relative to CG-SENSE. CG-SENSE overestimated fat volumes (bias 2.1+/-1.3mL; confidence limits 5.4 and -1.1mL) in comparison to the prospective DICT reconstruction (bias -0.1+/-0.7mL; confidence limits 1.8 and 2.0mL). There was a good agreement in fat distribution between the images reconstructed by retrospective DICT and the reference images (regression slope: 1.01, R2=0.961). Accelerating gastric MRI by integrating a dictionary-based signal model allows for improved image quality and increases accuracy of fat quantification during breathholds. PMID- 27867053 TI - Intra voxel analysis in magnetic resonance imaging. AB - A technique for analyzing the composition of each voxel, in the magnetic resonance imaging (MRI) framework, is presented. By combining different acquisitions, a novel methodology, called intra voxel analysis (IVA), for the detection of multiple tissues and the estimation of their spin-spin relaxation times is proposed. The methodology exploits the sparse Bayesian learning (SBL) approach in order to solve a highly underdetermined problem imposing the solution sparsity. IVA, developed for spin echo imaging sequence, can be easily extended to any acquisition scheme. For validating the approach, simulated and real data sets are considered. Monte Carlo simulations have been implemented for evaluating the performances of IVA compared to methods existing in literature. Two clinical datasets acquired with a 3T scanner have been considered for validating the approach. With respect to other approaches presented in literature, IVA has proved to be more effective in the voxel composition analysis, in particular in the case of few acquired images. Results are interesting and very promising: IVA is expected to have a remarkable impact on the research community and on the diagnostic field. PMID- 27867054 TI - Thiolated methylated dimethylaminobenzyl chitosan: A novel chitosan derivative as a potential delivery vehicle. AB - Chitosan is a natural mucoadhesive, biodegradable, biocompatible and nontoxic polymer which has been used in pharmaceutical industry for a lot of purposes such as dissolution enhancing, absorption enhancing, sustained releasing and protein, gene or drug delivery. Two major disadvantages of chitosan are poor solubility in physiological pH and low efficiency for protein and gene delivery. In this study thiolated methylated N-(4-N,N-dimethylaminobenzyl) chitosan was prepared for the first time in order to improve the solubility and delivery properties of chitosan. This novel chitosan derivative was characterized using 1H NMR, Ellman test, TGA and Zetasizer. Cell toxicity studies were performed on Human Embryonic Kidney 293 (Hek293) cell line using XTT method, to investigate the potential effect of this new derivative on cell viability. 1H NMR results showed that all substitution reactions were successfully carried out. Zeta potential of new derivative at acidic and physiological pHs was greater than chitosan and it revealed an increase in solubility of the derivative. Furthermore, it had no significant cytotoxicity against Hek293 cell line in comparison to chitosan. These findings confirm that this new derivative can be introduced as a suitable compound for biomedical purposes. PMID- 27867055 TI - Heterologous expression and functional characterization of phytaspase, a caspase like plant protease. AB - Following the cloning and expression of tobacco (Nicotiana tabacum) phytaspase gene in Escherichia coli BL21, the recombinant protease was purified by affinity chromatography for further characterization. Circular dichroism (CD) spectroscopy and in silico analysis revealed structural similarities of recombinant phytaspase with other plant serine-proteases. Molecular docking studies showed favourable binding of synthetic peptide substrate for caspase 8 (Ac-VETD-AMC) to the reactive pocket of recombinant phytaspase indicating its potential in assessing functional activity of recombinant phytaspase. In silico findings were supported by caspase 8-like activity of purified phytaspase demonstrated in vitro. The Michaelis constant (KM) and specificity constant (kcat/KM) of phytaspase for hydrolyzing Ac-VETD-AMC were found to be 1.587MUM and 4.67*103M-1min-1, respectively. Transient expression of phytaspase in lung epithelial adenocarcinoma cells (A549) resulted in reduced IC50 value of doxorubicin. This is the first report of functional expression of mature phytaspase in bacterial system as well as its transfection to sensitize A549 cells at lower doxorubicin concentration. PMID- 27867056 TI - Manipulation of pH-Sensitive interactions between podophyllotoxin-chitosan for enhanced controlled drug release. AB - Podophyllotoxin (PPT) offers a broad-spectrum of anticancer activities, but little has been reported for its controlled release. This work shows that by manipulating molecular interactions between PPT and Chitosan, efficient nanoscale capsulation of PPT can be realized. The drug encapsulation efficiency is as high as 52%, with a final particle drug loading in the order of 10% (wt/wt). It further demonstrates that changes in pH can also significantly affect the rate of drug release from the Chitosan nanoparticles. Upon contact with cancer cells, chitosan nanoparticles enable efficient internalization and drug release. In vitro evaluations with HepG-2 and MCF-7 cells indicate that the chitosan nanoparticle carriers can improve drug efficacy in comparison to free PPT, most likely by regulating the intrinsic apoptotic signaling pathway to induce apoptosis. Overall, PPT chitosan nanoparticles promise a safe and efficient drug delivery system for PPT. PMID- 27867057 TI - Understanding protein domain-swapping using structure-based models of protein folding. AB - In domain-swapping, two or more identical protein monomers exchange structural elements and fold into dimers or multimers whose units are structurally similar to the original monomer. Domain-swapping is of biotechnological interest because inhibiting domain-swapping can reduce disease-causing fibrillar protein aggregation. To achieve such inhibition, it is important to understand both the energetics that stabilize the domain-swapped structure and the protein dynamics that enable the swapping. Structure-based models (SBMs) encode the folded structure of the protein in their potential energy functions. SBMs have been successfully used to understand diverse aspects of monomer folding. Symmetrized SBMs model interactions between two identical protein chains using only intra monomer interactions. Molecular dynamics simulations of such symmetrized SBMs have been used to correctly predict the domain-swapped structure and to understand the mechanism of domain-swapping. Here, we review such models and illustrate that monomer topology determines key aspects of domain-swapping. However, in some proteins, specifics of local energetic interactions modulate domain-swapping and these need to be added to the symmetrized SBMs. We then summarize some general principles of the mechanism of domain-swapping that emerge from the symmetrized SBM simulations. Finally, using our own results, we explore how symmetrized SBMs could be used to design domain-swapping in proteins. PMID- 27867058 TI - Application of Strep-Tactin XT for affinity purification of Twin-Strep-tagged CB2, a G protein-coupled cannabinoid receptor. AB - Human cannabinoid receptor CB2 belongs to the class A of G protein-coupled receptor (GPCR). CB2 is predominantly expressed in membranes of cells of immune origin and is implicated in regulation of metabolic pathways of inflammation, neurodegenerative disorders and pain sensing. High resolution structural studies of CB2 require milligram quantities of purified, structurally intact protein. While we previously reported on the methodology for expression of the recombinant CB2 and its stabilization in a functional state, here we describe an efficient protocol for purification of this protein using the Twin-Strep-tag/Strep-Tactin XT system. To improve the affinity of interaction of the recombinant CB2 with the resin, the double repeat of the Strep-tag (a sequence of eight amino acids WSHPQFEK), named the Twin-Strep-tag was attached either to the N- or C-terminus of CB2 via a short linker, and the recombinant protein was expressed in cytoplasmic membranes of E. coli as a fusion with the N-terminal maltose binding protein (MBP). The CB2 was isolated at high purity from dilute solutions containing high concentrations of detergents, glycerol and salts, by capturing onto the Strep-Tactin XT resin, and was eluted from the resin under mild conditions upon addition of biotin. Surface plasmon resonance studies performed on the purified protein demonstrate the high affinity of interaction between the Twin-Strep-tag fused to the CB2 and Strep-Tactin XT with an estimated Kd in the low nanomolar range. The affinity of binding did not vary significantly in response to the position of the tag at either N- or C-termini of the fusion. The binding capacity of the resin was several-fold higher for the tag located at the N-terminus of the protein as opposed to the C-terminus- or middle of the fusion. The variation in the length of the linker between the double repeats of the Strep tag from 6 to 12 amino acid residues did not significantly affect the binding. The novel purification protocol reported here enables efficient isolation of a recombinant GPCR expressed at low titers in host cells. This procedure is suitable for preparation of milligram quantities of stable isotope-labelled receptor for high-resolution NMR studies. PMID- 27867059 TI - Pre- and unplanned walking turns in Parkinson's disease - Effects of dopaminergic medication. AB - Although dopaminergic medication improves functional mobility in individuals with Parkinson's disease (PD), its effects on walking turns are uncertain. Our goals was to determine whether dopaminergic medication improves preplanned and unplanned walking turns in individuals with PD, compared to healthy controls. Nineteen older adults with mild-to-moderate PD and 17 healthy controls performed one of the following three tasks, presented randomly: walking straight, or walking and turning 180 degrees to the right or left. The walking direction was visually cued before starting to walk (preplanned) or after (unplanned, i.e., 0.6m before reaching the turning point). Subjects with PD were assessed off dopaminergic medication (OFF) and on dopaminergic medication (ON) medication. Turning strategy (step and spin turns), turning performance (turning distance and body rotation) and walking pattern were analyzed for three turning steps. Irrespective of medication state and turning condition, step and spin turns followed a nearly 50:50 distribution. After intake of dopaminergic medication, subjects with PD increased their turning distance but not the amount of body rotation or their walking pattern. Compared to controls, turning impairments in subjects with PD remained while ON medication and problems regulating step width were the most prominent features of their walking pattern. Specifically, subjects with PD turned with narrower cross-over steps, i.e. when the external foot crossed over the line of progression of the internal leg. We conclude that turning impairments remained even after dopaminergic medication and problems modulating step width appears to be a critical feature for turning in PD. PMID- 27867061 TI - Interaction between DRD2 variation and sound environment on mood and emotion related brain activity. AB - Sounds, like music and noise, are capable of reliably affecting individuals' mood and emotions. However, these effects are highly variable across individuals. A putative source of variability is genetic background. Here we explored the interaction between a functional polymorphism of the dopamine D2 receptor gene (DRD2 rs1076560, G>T, previously associated with the relative expression of D2S/L isoforms) and sound environment on mood and emotion-related brain activity. Thirty-eight healthy subjects were genotyped for DRD2 rs1076560 (G/G=26; G/T=12) and underwent functional magnetic resonance imaging (fMRI) during performance of an implicit emotion-processing task while listening to music or noise. Individual variation in mood induction was assessed before and after the task. Results showed mood improvement after music exposure in DRD2GG subjects and mood deterioration after noise exposure in GT subjects. Moreover, the music, as opposed to noise environment, decreased the striatal activity of GT subjects as well as the prefrontal activity of GG subjects while processing emotional faces. These findings suggest that genetic variability of dopamine receptors affects sound environment modulations of mood and emotion processing. PMID- 27867060 TI - The role of Efr3a in age-related hearing loss. AB - Efr3a has been found to be involved in the functional maintenance and structural degeneration of sensory and motor nervous tissues. Our previous data have suggested that Efr3a may be associated with the initiation of the degeneration of spiral ganglion neurons (SGNs). In this study, we used Efr3a knockdown (Efr3a KD) and Efr3a overexpression (Efr3a OE) mice to determine the role of Efr3a in age related hearing loss. Measurements of hearing thresholds showed that Efr3a had little or no influence on the hearing threshold at all frequencies in adult mice, whereas in an early stage of senescence, Efr3a reduction resulted in better hearing function, especially at 10 and 12months of age. No significant differences were observed in hair cell loss among the three groups until 14months. The number of surviving hair cells in the OE mice was lower than that in the KD mice. As indicated by the density of SGNs in the upper basal turn, the Efr3a OE mice displayed earlier and more severe degeneration than the KD mice. In addition, the p-Akt levels in the cochlear spiral ganglions were higher in adult Efr3a KD mice than in WT and OE mice, although there was no difference in Akt expression among the three groups. Our study suggests that down-regulation of Efr3a might improve hearing function and alleviate the degeneration of SGNs in an early stage of senescence, probably via enhancing the basal expression of activated Akt. PMID- 27867062 TI - Evaluation of convalescent whole blood for treating Ebola Virus Disease in Freetown, Sierra Leone. AB - BACKGROUND: Convalescent blood therapy has been a promising form of treatment for Ebola Virus Disease (EVD), but less attention has been focused on it for treatment. METHOD: We assessed the effectiveness of convalescent whole blood (CWB) in the treatment of consented EVD patients. We recruited 69 subjects in December 2014 up to April 2015, at the 34 Military Hospital in Wilberforce and the PTS 1 Ebola Treatment Unit in Hastings, Freetown. Forty-four were given CWB, and 25 who consented but preferred to be exempted from the CWB treatment were used to compare clinical outcomes. All were given routine treatment used at the Ebola Treatment Unit. RESULTS: One of 44 subjects treated with CWB dropped out of the study and 31 recovered while 12 succumbed to the disease with a case fatality rate of 27.9%. For the group that was given routine treatment without CWB, 11 died with a case fatality rate of 44%. There was a significant difference between admission viral load and viral load after the first 24 h of treatment with convalescent whole blood (P < 0.01). The odds ratio for survival with CWB was 2.3 (95% CI, 0.8-6.5). CONCLUSION: CWB is promising for treating EVD in resource-poor settings, especially in the early phases of outbreaks when resource-mobilization is done. Even though our sample size was small and the evaluation was not randomised, our results contribute to existing evidence that convalescent whole blood could be considered as a useful candidate for treating EVD. Further studies that are randomised will be required to further assess the efficacy of CWB as treatment option during any EVD outbreak. PMID- 27867064 TI - ? PMID- 27867065 TI - Condylar resorptions and orthodontic-surgical treatment: State of the art. AB - Resorption of the mandibular condyle [RMC] is a disease of the temporomandibular joints, with multifactorial origins. The clinical manifestations take the form essentially of joint pain and occlusal disorders, depending on the rate at which the condyle is affected. X-ray imaging shows that the condyle is reduced in volume, flattened and displaced backwards, with loss of cortical substance in advanced forms. The aim of this article is to recall some pathophysiological features and then to review all the diagnostic and etiological factors and discuss possible modes of management. PMID- 27867066 TI - ? PMID- 27867067 TI - ? PMID- 27867063 TI - Neonatal listeriosis in the UK 2004-2014. AB - OBJECTIVE: To define the clinical features and outcomes of neonatal listeriosis, and identify the maternal risk factors to seek scope for improvement. METHODS: Neonatal listeriosis was identified prospectively from a United Kingdom neonatal infection surveillance network (neonIN) between 2004 and 2014. The participating neonatal units completed a study-specific proforma. RESULTS: The incidence of neonatal listeriosis was 3.4 per 100,000 live births. Of the 21 cases identified, 19 were confirmed with a median gestational age of 33 weeks and a median birth weight of 1960 g. The majority had clinical features (95%, 18/19), presented within the first 24 h (95%, 18/19), and received penicillin empirically (94%, 18/19). The neonatal case-fatality rate was 21% (24% if probable cases were included). A proportion of mothers were investigated (60%, 12/18) and diagnosed with listeriosis (58%, 7/12); 32% (6/19) were treated with antibiotics but only 33% (6/12) included penicillin. DISCUSSION: Despite its rarity and the prompt and appropriate use of antibiotics neonatal listeriosis has a high case-fatality rate. There is room for improvement in the adherence to the empiric antibiotic choice for puerperal sepsis, according to the national guidelines as this, would target listeriosis. Strategies should be in place to prevent pregnancy-associated listeriosis in higher risk population. PMID- 27867068 TI - Evaluation of arch forms depending on the angle classification. AB - : It is generally accepted that each individual has his or her own dental arch form. However, during orthodontic treatment, industrially preshaped archwires are widely used. The resulting use of the same arch form for all malocclusions may compromise occlusal stability after orthodontic treatment. AIM: To determine the average dental arch form of a non-consulting Moroccan population depending on the Angle classification, after digitization of plaster models of the dental arches. MATERIAL AND METHODS: A sample of 50 dental students aged between 21 and 27 was selected. After digitization of the plaster models to produce a cloud of points, the barycentric method was applied to this representation, enabling all the arch shapes of each series to be superimposed with Photoshop CS 5 software (layer mode) and the average curves for each Angle class to be thereby determined. RESULTS: The average maxillary and mandibular arch forms were defined for each class: Class I: a normal maxillary form and an ovoid mandibular form; Class II: a tapered maxillary form and a narrow tapered mandibular form; Class III: narrow tapered forms for both upper and lower arches. Globally speaking, in this sample an ovoid mandibular arch form and a normal maxillary arch form are the dominant shapes. DISCUSSION AND CONCLUSION: The studied population exhibited specific arch form features. This study could serve as the basis for the choice and use of preformed archwires better-adapted to the needs of our patients. PMID- 27867069 TI - Statistical study on bracket debonding rate with the win lingual technique. AB - The aim of this study is to present the results of a statistical inquiry measuring the bracket debonding rate using the WIN lingual technique. This inquiry was performed in the Odontology Unit at the Rothschild Hospital in the framework of the Lingual Orthodontics University Diploma at Paris VII university. Results were gathered by 8 orthodontic practitioners during two years of training from all their patients treated with the WIN lingual technique. The sample study comprised 33 patients treated exclusively with the WIN lingual technique. The 8 practitioners filled in a questionnaire relating to bracket bond failure in their patients in the course of treatment. In all, sixty-two questionnaires were analyzed. The data were then computed using the statistical tool of R software version 3.1.3. The results of this analysis demonstrate the reliability of the WIN system evidenced by an average of 2.1 bracket bond failures over the two-year treatment period, i.e. approximately 1 bracket per patient per year. Given the right conditions, (precise prescription, compliance with bonding protocols), the bond failure rate can be lower still, even compared with the buccal technique or relative to other lingual techniques. The benefits of lingual appliances, particularly in the WIN system, are essential to clinicians in their daily practice in order to optimize the quality and duration of their treatments with a view to ensuring patient satisfaction. PMID- 27867071 TI - Evaluation of a novel high-resolution mapping system for catheter ablation of ventricular arrhythmias. AB - BACKGROUND: The mapping of ventricular arrhythmias in humans using a minibasket 64-electrode catheter paired with a novel automatic mapping system (Rhythmia) has not been evaluated. OBJECTIVE: The purpose of this study was to evaluate the safety and efficacy of mapping ventricular arrhythmias and clinical outcomes after ablation using this system. METHODS: Electroanatomic maps for ventricular arrhythmias were obtained during 20 consecutive procedures in 19 patients (12 with ventricular tachycardia [VT] and 2 with ventricular ectopy [VE]). High density maps were acquired using automatic beat acceptance and automatic system annotation of electrograms. RESULTS: Forty-seven electroanatomic maps (including 3 right ventricular and 9 epicardial maps) were obtained. Left ventricular endocardial mapping by transseptal (n = 13) and/or transaortic (n = 11) access was safe with no complications related to the minibasket catheter. VT substrate maps (n = 14; median 10,184 points) consistently demonstrated late potentials with high resolution. VT activation maps (n = 25; median 6401 points) obtained by automatic annotation included 7 complete maps (covering >=90% of the tachycardia cycle length) in 5 patients in whom the entire VT circuit was accurately visualized. VE timing maps (n = 8) successfully localized the origin of VEs in all, with all accepted beats consistent with clinical VEs. Over a median follow up of 10 months, no arrhythmia recurrence was noted in 75% after VT ablation and 86% after VE ablation. CONCLUSION: In this first human experience for ventricular arrhythmias using this system, ultra-high-density maps were created rapidly and safely, with a reliable automatic annotation of VT and consistent recording of abnormal electrograms. Medium-term outcomes after ablation were encouraging. Further larger studies are needed to validate these findings. PMID- 27867070 TI - The Shh Topological Domain Facilitates the Action of Remote Enhancers by Reducing the Effects of Genomic Distances. AB - Gene expression often requires interaction between promoters and distant enhancers, which occur within the context of highly organized topologically associating domains (TADs). Using a series of engineered chromosomal rearrangements at the Shh locus, we carried out an extensive fine-scale characterization of the factors that govern the long-range regulatory interactions controlling Shh expression. We show that Shh enhancers act pervasively, yet not uniformly, throughout the TAD. Importantly, changing intra TAD distances had no impact on Shh expression. In contrast, inversions disrupting the TAD altered global folding of the region and prevented regulatory contacts in a distance-dependent manner. Our data indicate that the Shh TAD promotes distance independent contacts between distant regions that would otherwise interact only sporadically, enabling functional communication between them. In large genomes where genomic distances per se can limit regulatory interactions, this function of TADs could be as essential for gene expression as the formation of insulated neighborhoods. PMID- 27867073 TI - Immune status assessment in adult lung transplant candidates. AB - BACKGROUND: Lung transplant recipients have an increased susceptibility to a variety of infections due to immunosuppressive therapy. Current guidelines recommend pneumococcal and other vaccinations, prior to lung transplantation to protect against post-transplant infections, but measurement of the antibody response to vaccination is not advised. Immune status investigation in lung transplant candidates, including the response to pneumococcal polysaccharide vaccination, has not been described. METHODS: Immune status investigation, including measurement of immunoglobulins, complement and the response to 23 valent pneumococcal polysaccharide vaccination (23vPPV) was performed in 81 adult lung transplant candidates. RESULTS: Eighteen patients had low IgG levels and 32 patients had low IgG1 and/or IgG2 levels. After vaccination with 23vPPV the median antibody concentration of all serotypes increased significantly. Fifty-two patients had protective IgG-post-vaccination antibody levels to at least 10 serotypes. Twenty-nine patients had an impaired response to 23vPPV. CONCLUSIONS: In conclusion, a significant proportion of our cohort of lung transplant candidates had one or more abnormalities in the immune status. It is likely that these patients have an increased risk for infections after transplantation. Revaccination, including measurement of antibody response, and possibly antibody replacement therapy should be considered to minimize infection risk. PMID- 27867072 TI - Changes in electrical dyssynchrony by body surface mapping predict left ventricular remodeling in patients with cardiac resynchronization therapy. AB - BACKGROUND: Electrical activation is important in cardiac resynchronization therapy (CRT) response. Standard electrocardiographic analysis may not accurately reflect the heterogeneity of electrical activation. OBJECTIVE: We compared changes in left ventricular size and function after CRT to native electrical dyssynchrony and its change during pacing. METHODS: Body surface isochronal maps using 53 anterior and posterior electrodes as well as 12-lead electrocardiograms were acquired after CRT in 66 consecutive patients. Electrical dyssynchrony was quantified using standard deviation of activation times (SDAT). Ejection fraction (EF) and left ventricular end-systolic volume (LVESV) were measured before CRT and at 6 months. Multiple regression evaluated predictors of response. RESULTS: ?LVESV correlated with ?SDAT (P = .007), but not with ?QRS duration (P = .092). Patients with SDAT >=35 ms had greater increase in EF (13 +/- 8 units vs 4 +/- 9 units; P < .001) and LVESV (-34% +/- 28% vs -13% +/- 29%; P = .005). Patients with >=10% improvement in SDAT had greater ?EF (11 +/- 9 units vs 4 +/- 9 units; P = .010) and ?LVESV (-33% +/- 26% vs -6% +/- 34%; P = .001). SDAT >=35 ms predicted ?EF, while ?SDAT, sex, and left bundle branch block predicted ?LVESV. In 34 patients without class I indication for CRT, SDAT >=35 ms (P = .015) and ?SDAT >=10% (P = .032) were the only predictors of ?EF. CONCLUSION: Body surface mapping of SDAT and its changes predicted CRT response better than did QRS duration. Body surface mapping may potentially improve selection or optimization of CRT patients. PMID- 27867074 TI - Toxicity of Cry1A toxins from Bacillus thuringiensis to CF1 cells does not involve activation of adenylate cyclase/PKA signaling pathway. AB - Bacillus thuringiensis (Bt) bacteria produce Cry toxins that are able to kill insect pests. Different models explaining the mode of action of these toxins have been proposed. The pore formation model proposes that the toxin creates pores in the membrane of the larval midgut cells after interaction with different receptors such as cadherin, aminopeptidase N and alkaline phosphatase and that this pore formation activity is responsible for the toxicity of these proteins. The alternative model proposes that interaction with cadherin receptor triggers an intracellular cascade response involving protein G, adenylate cyclase (AC) and protein kinase A (PKA). In addition, it was shown that Cry toxins induce a defense response in the larvae involving the activation of mitogen-activated kinases such as MAPK p38 in different insect orders. Here we analyzed the mechanism of action of Cry1Ab and Cry1Ac toxins and a collection of mutants from these toxins in the insect cell line CF1 from Choristoneura fumiferana, that is naturally sensitive to these toxins. Our results show that both toxins induced permeability of K+ ions into the cells. The initial response after intoxication with Cry1Ab and Cry1Ac toxins involves the activation of a defense response that involves the phosphorylation of MAPK p38. Analysis of activation of PKA and AC activities indicated that the signal transduction involving PKA, AC and cAMP was not activated during Cry1Ab or Cry1Ac intoxication. In contrast we show that Cry1Ab and Cry1Ac activate apoptosis. These data indicate that Cry toxins can induce an apoptotic death response not related with AC/PKA activation. Since Cry1Ab and Cry1Ac toxins affected K+ ion permeability into the cells, and that mutant toxins affected in pore formation are not toxic to CF1, we propose that pore formation activity of the toxins is responsible of triggering cell death response in CF1cells. PMID- 27867075 TI - Sexually dimorphic traits in the silkworm, Bombyx mori, are regulated by doublesex. AB - The DM domain genes, doublesex (dsx) in insects, or their structural homologs, male abnormal 3 (mab-3) in nematodes and Dmrt1 (doublesex and mab-3-related transcription factor 1) in mammals, are downstream regulators of the sex determination pathway that control sexually dimorphic development. Despite the functional importance of dsx and its potential applications in sterile insect technologies (SITs), the mechanisms by which it controls sexually dimorphic traits and the subsequent developmental gene networks in insects are poorly understood. Phylogenetic analyses indicate that insect dsx genes have sex specific alternative splicing isoforms, whereas other taxa do not. We exploited genome editing and transgenesis technologies to induce mutations in either the male-specific isoform (dsxM) or common region (dsxC) of dsx in the somatic tissues of the lepidopteran model insect Bombyx mori. Disruptions of gene function produced either male-specific sexually-dimorphic defects or intersexual phenotypes; these results differ from those observed in other insects, including Drosophila melanogaster. Our data provide insights into the divergence of the insect sex determination pathways related to the most conserved downstream component dsx. PMID- 27867076 TI - The DNA chaperone HMGB1 potentiates the transcriptional activity of Rel1A in the mosquito Aedes aegypti. AB - High Mobility Group protein 1 (HMGB1) is a non-histone, chromatin-associated nuclear protein that functions in regulating eukaryotic gene expression. We investigated the influence and mechanism of action of Aedes aegypti HMGB1 (AaHMGB1) on mosquito Rel1A-mediated transcription from target gene promoters. The DNA-binding domain (RHD) of AaRel1A was bacterially expressed and purified, and AaHMGB1 dramatically enhanced RHD binding to consensus NF-kB/Rel DNA response elements. Luciferase reporter analyses using a cecropin gene promoter showed that AaHMGB1 potentiates the transcriptional activity of AaRel1A in Aag-2 cells. Moreover, overexpression of AaHMGB1 in Aag-2 cells led to an increase in mRNA levels of antimicrobial peptide genes. In vitro GST pull-down assays revealed that the presence of DNA is a pre-requisite for assembly of a possible ternary complex containing DNA, AaHMGB1 and AaRel1A. Notably, DNA bending by AaHMGB1 enhanced the binding of AaRel1A to a DNA fragment containing a putative NF-kB/Rel response element. Importantly, AaHMGB1 was identified as a potential immune modulator in A. aegypti through AaHMGB1 overexpression or RNAi silencing in Aag-2 cells followed by bacterial challenge or through AaHMGB1 RNAi knockdown in mosquitoes followed by Dengue virus (DENV) infection. We propose a model in which AaHMGB1 bends NF-kB/Rel target DNA to recruit and allow more efficient AaRel1A binding to activate transcription of effector genes, culminating in a stronger Toll pathway-mediated response against DENV infection. PMID- 27867078 TI - Co-expression of two heterologous lactate dehydrogenases genes in Kluyveromyces marxianus for l-lactic acid production. AB - Lactic acid (LA) is a versatile compound used in the food, pharmaceutical, textile, leather, and chemical industries. Biological production of LA is possible by yeast strains expressing a bacterial gene encoding l-lactate dehydrogenase (LDH). Kluyveromyces marxianus is an emerging non-conventional yeast with various phenotypes of industrial interest. However, it has not been extensively studied for LA production. In this study, K. marxianus was engineered to express and co-express various heterologous LDH enzymes that were reported to have different pH optimums. Specifically, three LDH enzymes originating from Staphylococcus epidermidis (SeLDH; optimal at pH 5.6), Lactobacillus acidophilus (LaLDH; optimal at pH 5.3), and Bos taurus (BtLDH; optimal at pH 9.8) were functionally expressed individually and in combination in K. marxianus, and the resulting strains were compared in terms of LA production. A strain co-expressing SeLDH and LaLDH (KM5 La+SeLDH) produced 16.0g/L LA, whereas the strains expressing those enzymes individually produced only 8.4 and 6.8g/L, respectively. This co-expressing strain produced 24.0g/L LA with a yield of 0.48g/g glucose in the presence of CaCO3. Our results suggest that co-expression of LDH enzymes with different pH optimums provides sufficient LDH activity under dynamic intracellular pH conditions, leading to enhanced production of LA compared to individual expression of the LDH enzymes. PMID- 27867077 TI - Critical phases of viral production processes monitored by capacitance. AB - Over the last decade industrial manufacturing of viral vaccines and viral vectors for prophylactic and therapeutic applications is experiencing a remarkable growth. Currently, the quality attributes of viral derived products are assessed only at the end-point of the production process, essentially because in-process monitoring tools are not available or not implemented at industrial scale. However, to demonstrate process reproducibility and robustness, manufacturers are strongly advised by regulatory agencies to adopt more on-line process monitoring and control. Dielectric spectroscopy has been successfully used as an excellent indicator of the cell culture state in mammalian and yeast cell systems. We previously reported the use of this technique for monitoring influenza and lentiviral productions in HEK293 cell cultures. For both viruses, multi-frequency capacitance measurements allowed not only the on-line monitoring of the production kinetics, but also the identification of the viral release time from the cells. The present study demonstrates that the same approach can be successfully exploited for the on-line monitoring of different enveloped and non enveloped virus production kinetics in cell culture processes. The on-line monitoring multi-frequency capacitance method was assessed in human HEK293 and Sf9 insect cells expression systems, with viral productions initiated by either infection or transfection. The comparative analyses of all the data acquired indicate that the characteristic capacitance signals were highly correlated with the occurrence of viral replication phases. Furthermore the evolution of the cell dielectric properties (intracellular conductivity and membrane capacitance) were indicative of each main replication steps. In conclusion, multi-frequency capacitance has a great potential for on-line monitoring, supervision and control of viral vector production in cell culture processes. PMID- 27867079 TI - Variability in diagnostic error rates of 10 MRI centers performing lumbar spine MRI examinations on the same patient within a 3-week period. AB - BACKGROUND CONTEXT: In today's health-care climate, magnetic resonance imaging (MRI) is often perceived as a commodity-a service where there are no meaningful differences in quality and thus an area in which patients can be advised to select a provider based on price and convenience alone. If this prevailing view is correct, then a patient should expect to receive the same radiological diagnosis regardless of which imaging center he or she visits, or which radiologist reviews the examination. Based on their extensive clinical experience, the authors believe that this assumption is not correct and that it can negatively impact patient care, outcomes, and costs. PURPOSE: This study is designed to test the authors' hypothesis that radiologists' reports from multiple imaging centers performing a lumbar MRI examination on the same patient over a short period of time will have (1) marked variability in interpretive findings and (2) a broad range of interpretive errors. STUDY DESIGN: This is a prospective observational study comparing the interpretive findings reported for one patient scanned at 10 different MRI centers over a period of 3 weeks to each other and to reference MRI examinations performed immediately preceding and following the 10 MRI examinations. PATIENT SAMPLE: The sample is a 63-year-old woman with a history of low back pain and right L5 radicular symptoms. OUTCOME MEASURES: Variability was quantified using percent agreement rates and Fleiss kappa statistic. Interpretive errors were quantified using true-positive counts, false positive counts, false-negative counts, true-positive rate (sensitivity), and false-negative rate (miss rate). METHODS: Interpretive findings from 10 study MRI examinations were tabulated and compared for variability and errors. Two of the authors, both subspecialist spine radiologists from different institutions, independently reviewed the reference examinations and then came to a final diagnosis by consensus. Errors of interpretation in the study examinations were considered present if a finding present or not present in the study examination's report was not present in the reference examinations. RESULTS: Across all 10 study examinations, there were 49 distinct findings reported related to the presence of a distinct pathology at a specific motion segment. Zero interpretive findings were reported in all 10 study examinations and only one finding was reported in nine out of 10 study examinations. Of the interpretive findings, 32.7% appeared only once across all 10 of the study examinations' reports. A global Fleiss kappa statistic, computed across all reported findings, was 0.20+/ 0.06, indicating poor overall agreement on interpretive findings. The average interpretive error count in the study examinations was 12.5+/-3.2 (both false positives and false-negatives). The average false-negative count per examination was 10.9+/-2.9 out of 25 and the average false-positive count was 1.6+/-0.9, which correspond to an average true-positive rate (sensitivity) of 56.4%+/-11.7 and miss rate of 43.6%+/-11.7. CONCLUSIONS: This study found marked variability in the reported interpretive findings and a high prevalence of interpretive errors in radiologists' reports of an MRI examination of the lumbar spine performed on the same patient at 10 different MRI centers over a short time period. As a result, the authors conclude that where a patient obtains his or her MRI examination and which radiologist interprets the examination may have a direct impact on radiological diagnosis, subsequent choice of treatment, and clinical outcome. PMID- 27867081 TI - Defining the number and type of fixation anchors for optimal main curve correction in posterior surgery for adolescent idiopathic scoliosis. AB - BACKGROUND CONTEXT: The number and type of fixation anchors to use during posterior surgery for adolescent idiopathic scoliosis (AIS) is still debated, and the relationship with curve correction remains unclear. PURPOSE: This study aimed to determine the number and type of fixation anchors associated with optimal curve correction following posterior surgery for AIS. STUDY DESIGN: A retrospective study of the relationship between fixation anchors and main curve correction in AIS surgery was carried out. PATIENT SAMPLE: A cohort of 137 AIS patients operated from a posterior-only approach using hooks and pedicle screws comprised the study sample. OUTCOME MEASURES: Correction of the main scoliotic curve was the outcome measure. METHODS: Implant density (ID) was defined as the number of fixation anchors divided by the number of available anchor sites within the main curve. Pedicle screw ratio (PSR) was defined as the number of pedicle screws divided by the total number of fixation anchors within the main curve. Multiple linear regressions were performed to analyze the influence of ID and PSR on main curve correction, while taking into account age, gender, curve type, preoperative main Cobb angle, main curve reducibility, number of fused levels, and number of levels within the main curve. RESULTS: Main coronal curve correction was significantly related only to ID for all patients and for the subgroup of patients with a main thoracic curve. Constructs with an ID >=70% and <90% provided a correction similar to that obtained with an ID >=90%. However, main coronal curve correction was inferior for constructs with an ID <70%, when compared with constructs with ID >=90%. Implant density and PSR were not related to the change in thoracic kyphosis in the multiple linear regressions. CONCLUSIONS: Implant density is an important predictor of main coronal curve correction in posterior surgery for AIS. Increasing the number of fixation anchors within the main curve-rather than favoring screws over hooks-can lead to better correction in the coronal plane. However, after reaching an ID of >=70% in the main curve, adding fixation anchors is not likely to result in significantly greater correction of the main curve in the coronal plane. PMID- 27867080 TI - Biomechanical advantages of robot-assisted pedicle screw fixation in posterior lumbar interbody fusion compared with freehand technique in a prospective randomized controlled trial-perspective for patient-specific finite element analysis. AB - BACKGROUND CONTEXT: There have been conflicting results on the surgical outcome of lumbar fusion surgery using two different techniques: robot-assisted pedicle screw fixation and conventional freehand technique. In addition, there have been no studies about the biomechanical issues between both techniques. PURPOSE: This study aimed to investigate the biomechanical properties in terms of stress at adjacent segments using robot-assisted pedicle screw insertion technique (robot assisted, minimally invasive posterior lumbar interbody fusion, Rom-PLIF) and freehand technique (conventional, freehand, open approach, posterior lumbar interbody fusion, Cop-PLIF) for instrumented lumbar fusion surgery. STUDY DESIGN: This is an additional post-hoc analysis for patient-specific finite element (FE) model. PATIENT SAMPLE: The sample is composed of patients with degenerative lumbar disease. OUTCOME MEASURES: Intradiscal pressure and facet contact force are the outcome measures. METHODS: Patients were randomly assigned to undergo an instrumented PLIF procedure using a Rom-PLIF (37 patients) or a Cop-PLIF (41), respectively. Five patients in each group were selected using a simple random sampling method after operation, and 10 preoperative and postoperative lumbar spines were modeled from preoperative high-resolution computed tomography of 10 patients using the same method for a validated lumbar spine model. Under four pure moments of 7.5 Nm, the changes in intradiscal pressure and facet joint contact force at the proximal adjacent segment following fusion surgery were analyzed and compared with preoperative states. RESULTS: The representativeness of random samples was verified. Both groups showed significant increases in postoperative intradiscal pressure at the proximal adjacent segment under four moments, compared with the preoperative state. The Cop-PLIF models demonstrated significantly higher percent increments of intradiscal pressure at proximal adjacent segments under extension, lateral bending, and torsion moments than the Rom-PLIF models (p=.032, p=.008, and p=.016, respectively). Furthermore, the percent increment of facet contact force was significantly higher in the Cop-PLIF models under extension and torsion moments than in the Rom-PLIF models (p=.016 under both extension and torsion moments). CONCLUSIONS: The present study showed the clinical application of subject-specific FE analysis in the spine. Even though there was biomechanical superiority of the robot-assisted insertions in terms of alleviation of stress increments at adjacent segments after fusion, cautious interpretation is needed because of the small sample size. PMID- 27867082 TI - Erratum to "BCGitis in children". PMID- 27867083 TI - Trends in antimicrobial resistance among Bacteroides species and Parabacteroides species in the United States from 2010-2012 with comparison to 2008-2009. AB - The susceptibility trends for Bacteroides fragilis and related species against various antibiotics were determined using data from 3 years of surveillance (2010 2012) on 779 isolates referred by 7 medical centers. The antibiotic test panel included imipenem, ertapenem, meropenem, ampicillin-sulbactam, piperacillin tazobactam, cefoxitin, clindamycin, moxifloxacin, tigecycline, linezolid, chloramphenicol and . MICs were determined using the agar dilution CLSI reference method. Carbapenem resistance remained low (range 1.1%-2.5%) and unchanged from 2008 to 9 through 2010-2012. Resistance also remained low to the beta-lactam/beta lactamase inhibitor combinations (1.1%-4.4%). While resistance to clindamycin and moxifloxacin remained high; rates were lower for B. fragilis in 2010-12 (24% and 19% respectively) compared to the earlier time frame of 2008-9 (29% and 35% respectively for the earlier time frame). There were notable species and resistance associations which have been demonstrated previously. No resistance to metronidazole or chloramphenicol resistance was seen. These data demonstrate the continued variability in resistance among Bacteroides and Parabacteroides species, but do demonstrate that carbapenems and beta-lactam/beta-lactamase inhibitor combinations remain very active throughout the United States. PMID- 27867084 TI - New concepts in asthma: clinical phenotypes and pathophysiological mechanisms. AB - Asthma is among the most common chronic inflammatory diseases worldwide. Recent evidence indicates that the pathogenesis shows a high degree of heterogeneity. Patient subsets have been identified that exhibit different cellular and molecular patterns of dysregulation. A prominent example is eosinophilic Th2 driven asthma. These unique and molecular patterns are termed endotypes. Characterization of endotypes has broad implications for therapeutic interventions. Although ~80% of asthmatic patients respond well to standard anti inflammatory therapies, the remaining subset particularly consisting of severe patients requires a more specialized endotype-specific approach. This interrelationship between clinical phenotypes, molecular endotypes and endotype specific therapies is the focus of this review. PMID- 27867085 TI - Optically active stereoisomers of 5-(1-iodoethyl)-4-(4' isopropylphenyl)dihydrofuran-2-one: The effect of the configuration of stereocenters on apoptosis induction in canine cancer cell lines. AB - Four stereoisomers of delta-iodo-gamma-lactones with p-isopropylphenyl substituent at beta-position: cis-(4R,5R,6S)-1, cis-(4S,5S,6R)-2, trans (4R,5S,6R)-3, trans-(4S,5R,6S)-4 with proved antiproliferative activity were subjected to in vitro tests for a better understanding of their anticancer activity. The subject of our interest was a possible relationship between a configuration of chiral centers of the studied lactones and their anticancer potency against a panel of canine cell lines representing hematopoietic (CLBL-1, GL-1, CL-1, CLB70) and mammary gland cancers (P114, CMT-U27, CMT-U309). To determine the anticancer activity of the tested compounds, cell viability and cell metabolic activity were checked using propidium iodide staining and the MTT test. To determine whether the studied compounds cause necrotic or apoptotic cell death, two assays for apoptosis evaluation were performed, annexin V staining and detection of caspase 3/7 activation. Simultaneously, the effects of the compounds on the cell cycle were also examined. The conducted research confirmed the anticancer potential of the tested lactones against canine cancers. The investigated isomers exerted higher activity against canine lymphoma/leukemia cell lines than against mammary tumors, whereas the configuration of stereogenic centers of the examined compounds affected their activity. It has been shown that stereoisomers with 4S configuration (2,4) were more active, and the most potent one was the cis-(4S,5S,6R)-2 isomer. The investigated lactones seemed to initiate the process of apoptosis rather than acting as typical cytostatic agents, as cell death via apoptosis, and no increase in G2-M population in the cell cycle analysis were observed. The presented study demonstrated that all four stereoisomers of delta-iodo-gamma-lactones with p-isopropylphenyl substituent at beta-position induced apoptosis via a mitochondrial-mediated, caspase-dependent pathway. PMID- 27867086 TI - Diazoxide prevents reactive oxygen species and mitochondrial damage, leading to anti-hypertrophic effects. AB - Pathological cardiac hypertrophy is characterized by wall thickening or chamber enlargement of the heart in response to pressure or volume overload, respectively. This condition will, initially, improve the organ contractile function, but if sustained will render dysfunctional mitochondria and oxidative stress. Mitochondrial ATP-sensitive K+ channels (mitoKATP) modulate the redox status of the cell and protect against several cardiac insults. Here, we tested the hypothesis that mitoKATP opening (using diazoxide) will avoid isoproterenol induced cardiac hypertrophy in vivo by decreasing reactive oxygen species (ROS) production and mitochondrial Ca2+-induced swelling. To induce cardiac hypertrophy, Swiss mice were treated intraperitoneally with isoproterenol (30 mg/kg/day) for 8 days. Diazoxide (5 mg/kg/day) was used to open mitoKATP and 5 hydroxydecanoate (5 mg/kg/day) was administrated as a mitoKATP blocker. Isoproterenol-treated mice had elevated heart weight/tibia length ratios and increased myocyte cross-sectional areas. Additionally, hypertrophic hearts produced higher levels of H2O2 and had lower glutathione peroxidase activity. In contrast, mitoKATP opening with diazoxide blocked all isoproterenol effects in a manner reversed by 5-hydroxydecanoate. Isolated mitochondria from Isoproterenol induced hypertrophic hearts had increased susceptibility to Ca2+-induced swelling secondary to mitochondrial permeability transition pore opening. MitokATP opening was accompanied by lower Ca2+-induced mitochondrial swelling, an effect blocked by 5-hydroxydecanoate. Our results suggest that mitoKATP opening negatively regulates cardiac hypertrophy by avoiding oxidative impairment and mitochondrial damage. PMID- 27867087 TI - A quantitative immunoassay for lung cancer biomarker CIZ1b in patient plasma. AB - OBJECTIVES: Non-invasive tests for early detection of lung cancer are an important unmet clinical need. CIZ1b plasma biomarker can discriminate stage 1 lung cancer from within high-risk groups with clinically useful accuracy, with ROC AUCs in excess of 0.9 for two independent retrospective cohorts, and could therefore meet this need. Our aim was to characterise the native state of the biomarker and develop a quantitative immunoassay. DESIGN AND METHODS: Selective denaturation, preparative electrophoresis and mass spectrometry of human plasma were used to characterise the biomarker and interaction partners. A sandwich ELISA was generated, and specificity for CIZ1b biomarker tested on lung cancer patient plasma. RESULTS: CIZ1b biomarker is a denaturation-resistant complex between a C-terminal fragment of CIZ1 bearing the CIZ1b epitope specified by alternative splicing of exon14, and fibrinogen alpha chain. Reconstitution of the biomarker epitope with purified fibrinogen and CIZ1b, but not CIZ1a (non alternatively spliced exon 14) confirmed the specificity of the results. The endogenous complex is highly stable in lung cancer plasma and can be quantified by pairing of a CIZ1b exon-junction specific antibody with detection of fibrinogen. Application of this sandwich ELISA to a prospectively collected development set of plasmas reveals the same level of accuracy as the western blot used to validate the discriminatory capability of the biomarker. CONCLUSIONS: Unexpected and unusual molecular structure of CIZ1b in native plasma has complicated immunoassay design, and delayed translation of this promising biomarker. However, CIZ1b can now be measured using a high-throughput, hospital friendly sandwich ELISA format, overcoming an important barrier to further clinical development and application of this blood test for early stage lung cancer. PMID- 27867088 TI - Techniques for blood volume fMRI with VASO: From low-resolution mapping towards sub-millimeter layer-dependent applications. AB - Quantitative cerebral blood volume (CBV) fMRI has the potential to overcome several specific limitations of BOLD fMRI. It provides direct physiological interpretability and promises superior localization specificity in applications of sub-millimeter resolution fMRI applications at ultra-high magnetic fields (7T and higher). Non-invasive CBV fMRI using VASO (vascular space occupancy), however, is inherently limited with respect to its data acquisition efficiency, restricting its imaging coverage and achievable spatial and temporal resolution. This limitation may be reduced with recent advanced acceleration and reconstruction strategies that allow two-dimensional acceleration, such as in simultaneous multi-slice (SMS) 2D-EPI or 3D-EPI in combination with CAIPIRINHA field-of-view shifting. In this study, we sought to determine the functional sensitivity and specificity of these readout strategies with VASO over a broad range of spatial resolutions; spanning from low spatial resolution (3mm) whole cortex to sub-millimeter (0.75mm) slab-of-cortex (for cortical layer-dependent applications). In the thermal-noise-dominated regime of sub-millimeter resolutions, 3D-EPI-VASO provides higher temporal stability and sensitivity to detect changes in CBV compared to 2D-EPI-VASO. In this regime, 3D-EPI-VASO unveils task activation located in the cortical laminae with little contamination from surface veins, in contrast to the cortical surface weighting of GE-BOLD fMRI. In the physiological-noise-dominated regime of lower resolutions, however, 2D-SMS-VASO shows superior performance compared to 3D-EPI-VASO. Due to its superior sensitivity at a layer-dependent level, 3D-EPI VASO promises to play an important role in future neuroscientific applications of layer-dependent fMRI. PMID- 27867089 TI - Clinical vascular imaging in the brain at 7T. AB - Stroke and related cerebrovascular diseases are a major cause of mortality and disability. Even at standard-field-strengths (1.5T), MRI is by far the most sensitive imaging technique to detect acute brain infarctions and to characterize incidental cerebrovascular lesions, such as white matter hyperintensities, lacunes and microbleeds. Arterial time-of-flight (TOF) MR angiography (MRA) can depict luminal narrowing or occlusion of the major brain feeding arteries, and this without the need for contrast administration. Compared to 1.5T MRA, the use of high-field strength (3T) and even more so ultra-high-field strengths (7T), enables the visualization of the lumen of much smaller intracranial vessels, while adding a contrast agent to TOF MRA at 7T may enable the visualization of even more distal arteries in addition to veins and venules. Moreover, with 3T and 7T, the arterial vessel walls beyond the circle of Willis become visible with high-resolution vessel wall imaging. In addition, with 7T MRI, the brain parenchyma can now be visualized on a submillimeter scale. As a result, high resolution imaging studies of the brain and its blood supply at 7T have generated new concepts of different cerebrovascular diseases. In the current article, we will discuss emerging clinical applications and future directions of vascular imaging in the brain at 7T MRI. PMID- 27867090 TI - Visual cortex responses reflect temporal structure of continuous quasi-rhythmic sensory stimulation. AB - Neural processing of dynamic continuous visual input, and cognitive influences thereon, are frequently studied in paradigms employing strictly rhythmic stimulation. However, the temporal structure of natural stimuli is hardly ever fully rhythmic but possesses certain spectral bandwidths (e.g. lip movements in speech, gestures). Examining periodic brain responses elicited by strictly rhythmic stimulation might thus represent ideal, yet isolated cases. Here, we tested how the visual system reflects quasi-rhythmic stimulation with frequencies continuously varying within ranges of classical theta (4-7Hz), alpha (8-13Hz) and beta bands (14-20Hz) using EEG. Our findings substantiate a systematic and sustained neural phase-locking to stimulation in all three frequency ranges. Further, we found that allocation of spatial attention enhances EEG-stimulus locking to theta- and alpha-band stimulation. Our results bridge recent findings regarding phase locking ("entrainment") to quasi-rhythmic visual input and "frequency-tagging" experiments employing strictly rhythmic stimulation. We propose that sustained EEG-stimulus locking can be considered as a continuous neural signature of processing dynamic sensory input in early visual cortices. Accordingly, EEG-stimulus locking serves to trace the temporal evolution of rhythmic as well as quasi-rhythmic visual input and is subject to attentional bias. PMID- 27867092 TI - Peptide-rich venom from the spider Heteropoda venatoria potently inhibits insect voltage-gated sodium channels. AB - Heteropoda venatoria is a venomous spider species distributed worldwide and has a characteristic habit of feeding on insects. Reverse-phase high-performance liquid chromatography and matrix-assisted laser-desorption/ionization time-of-flight mass spectrometry analyses revealed that H. venatoria venom contains hundreds of peptides with a predominant molecular weights of 3000-5000 Da. Intra-abdominal injection of the venom had severe toxic effects on cockroaches and caused death at higher concentrations. The LD50 was 28.18 MUg/g of body weight in the cockroach. It was found that the venom had potent inhibitory effect on voltage gated sodium channels (VGSCs) in Periplaneta americana cockroach dorsal unpaired median (DUM) neurons with an IC50 values of 6.25 +/- 0.02 MUg/mL. However, 100 MUg/mL venom only partially blocked VGSC currents in rat dorsal root ganglion cells, a much lower inhibitory effect than that on DUM VGSCs. Our results indicate that the venom of H. venatoria contains diverse neurotoxins that might become new leads for bioinsecticides. PMID- 27867091 TI - Development and aging of a brain neural stem cell niche. AB - In the anterior forebrain, along the lateral wall of the lateral ventricles, a neurogenic stem cell niche is found in a region referred to as the ventricular subventricular zone (V-SVZ). In rodents, robust V-SVZ neurogenesis provides new neurons to the olfactory bulb throughout adulthood; however, with increasing age stem cell numbers are reduced and neurogenic capacity is significantly diminished, but new olfactory bulb neurons continue to be produced even in old age. Humans, in contrast, show little to no new neurogenesis after two years of age and whether V-SVZ neural stem cells persist in the adult human brain remains unclear. Here, we review functional and organizational differences in the V-SVZ stem cell niche of mice and humans, and examine how aging affects the V-SVZ niche and its associated functions. PMID- 27867093 TI - Relationship between food and venom production in the estuarine stonefish Synanceia horrida. AB - BACKGROUND: The potential costs of venom production may be significant to many marine venomous taxa. In general, the parameters that influence the rate of venom production are poorly understood, but seem to be related to feeding frequency. METHODS: This study examines the effects of starvation on venom profile and venom yield on the estuarine stonefish (Synanceia horrida). In total, the venom of eight stonefishes was tested under two feeding regimes. Over a four week period, one of the two groups underwent an episode of suspended feeding, while the other was fed on a daily basis. The effect of time on venom replacement was determined by a paired T-test. ANOVA was performed to analyze differences in venom weight between fed and unfed treatments. RESULTS: Nutritional suspension was found to have a significant effect on the quantity of venom produced. SDS-PAGE gel and FPLC revealed that the components of the venom collected from both groups were similar, indicating that four weeks is an adequate time to regenerate key venom components but not replenish initial venom quantities. CONCLUSIONS: Venom production was found to be affected by starvation. PMID- 27867094 TI - Differences between renal effects of venom from two Bothrops jararaca populations from southeastern and southern Brazil. AB - Components from animal venoms may vary according to the snake's age, gender and region of origin. Recently, we performed a proteomic analysis of Bothrops jararaca venom from southern (BjSv) and southeastern (BjSEv) Brazil, showing differences in the venom composition, as well as its biological activity. To continue the study, we report in this short communication the different effects induced by the BjSEv and BjSv on isolated kidney and MDCK renal cells. BjSEv decreased perfusion pressure (PP) and renal vascular resistance (RVR) and increased urinary flow (UF) and glomerular filtration rate (GFR), while BjSv did not alter PP and RVR and reduced UF and GFR. Both types of venom, more expressively BjSEv, reduced %TNa+, %TK+ and %Cl-. In MDCK cells, the two types of venom showed cytotoxicity with IC50 of 1.22 MUg/mL for BjSv and 1.18 MUg/mL for BjSEv and caused different profiles of cell death, with BjSv being more necrotic. In conclusion, we suggest that BjSv is more nephrotoxic than BjSEv. PMID- 27867095 TI - Identification of snake venom allergens by two-dimensional electrophoresis followed by immunoblotting. AB - This allergic reaction to snake venom was described to occur in patients after recurrent exposure through bites in amateur and professional snake handlers, which might be underestimated and contribute to fatal snakebites in victim, independently from the toxicity of the venom itself. Few allergens were identified from snake venoms by normal SDS-PAGE, which cannot separate the snake venom completely. In the present study, we identified nine potential allergens by two-dimensional (2D) electrophoresis followed by immunoblotting (named as allergenomics) in Protobothrops mucrosquamatus venom. By multidimensional liquid chromatography-ion trap mass spectrometry (MDLC-ESI-LTQ-MS/MS) analysis, six allergens showed sequence similarity to snake venom serine proteinases. Other allergens showed sequence similarity to snake venom metalloproteinase. These allergic reactions to snake venom allergens might contribute to fatal snakebites in victim, independently. PMID- 27867096 TI - Ptgr1 expression is regulated by NRF2 in rat hepatocarcinogenesis and promotes cell proliferation and resistance to oxidative stress. AB - Prostaglandin reductase-1 (Ptgr1) is an alkenal/one oxidoreductase that is involved in the catabolism of eicosanoids and lipid peroxidation such as 4 hydroxynonenal (4-HNE). Recently, we reported that Ptgr1 is overexpressed in human clinical and experimentally induced samples of hepatocellular carcinoma (HCC). However, how the expression of this gene is regulated and its role in carcinogenesis are not yet known. Here, we studied parameters associated with antioxidant responses and the mechanisms underlying the induction of Ptgr1 expression by the activation of Nuclear Factor (erythroid-derived-2)-like-2 (NRF2). For these experiments, we used two protocols of induced hepatocarcinogenesis in rats. Furthermore, we determined the effect of PTGR1 on cell proliferation and resistance to oxidative stress in cell cultures of the epithelial liver cell line, C9. Ptgr1 was overexpressed during the early phase in altered hepatocyte foci, and this high level of expression was maintained in persistent nodules until tumors developed. Ptgr1 expression was regulated by NRF2, which bound to an antioxidant response element at -653bp in the rat Ptgr1 gene. The activation of NRF2 induced the activation of an antioxidant response that included effects on proteins such as glutamate-cysteine ligase, catalytic subunit, NAD(P)H dehydrogenase quinone-1 (NQO1) and glutathione-S-transferase-P (GSTP1). These effects may have produced a reduced status that was associated with a high proliferation rate in experimental tumors. Indeed, when Ptgr1 was stably expressed, we observed a reduction in the time required for proliferation and a protective effect against hydrogen peroxide- and 4-HNE-induced cell death. These data were consistent with data showing colocalization between PTGR1 and 4 HNE protein adducts in liver nodules. These findings suggest that Ptgr1 and antioxidant responses act as a metabolic adaptation and could contribute to proliferation and cell-death evasion in liver tumor cells. Furthermore, these data indicate that Ptgr1 could be used to design early diagnostic tools or targeted therapies for HCC. PMID- 27867097 TI - Mitochondrial remodeling in the liver following chronic alcohol feeding to rats. AB - The feeding of alcohol orally (Lieber-DeCarli diet) to rats has been shown to cause declines in mitochondrial respiration (state III), decreased expression of respiratory complexes, and decreased respiratory control ratios (RCR) in liver mitochondria. These declines and other mitochondrial alterations have led to the hypothesis that alcohol feeding causes "mitochondrial dysfunction" in the liver. If oral alcohol feeding leads to mitochondrial dysfunction, one would predict that increasing alcohol delivery by intragastric (IG) alcohol feeding to rats would cause greater declines in mitochondrial bioenergetics in the liver. In this study, we examined the mitochondrial alterations that occur in rats fed alcohol both orally and intragastrically. Oral alcohol feeding decreased glutamate/malate , acetaldehyde- and succinate-driven state III respiration, RCR, and expression of respiratory complexes (I, III, IV, V) in liver mitochondria, in agreement with previous results. IG alcohol feeding, on the other hand, caused a slight increase in glutamate/malate-driven respiration, and significantly increased acetaldehyde driven respiration in liver mitochondria. IG feeding also caused liver mitochondria to experience a decline in succinate-driven respiration, but these decreases were smaller than those observed with oral alcohol feeding. Surprisingly, oral and IG alcohol feeding to rats increased mitochondrial respiration using other substrates, including glycerol-3-phosphate (which delivers electrons from cytoplasmic NADH to mitochondria) and octanoate (a substrate for beta-oxidation). The enhancement of glycerol-3-phosphate- and octanoate-driven respiration suggests that liver mitochondria remodeled in response to alcohol feeding. In support of this notion, we observed that IG alcohol feeding also increased expression of mitochondrial glycerol phosphate dehydrogenase-2 (GPD2), transcription factor A (TFAM), and increased mitochondrial NAD+-NADH and NADP+-NADPH levels in the liver. Our findings suggest that mitochondrial dysfunction represents an incomplete picture of mitochondrial dynamics that occur in the liver following alcohol feeding. While alcohol feeding causes some mitochondrial dysfunction (i.e. succinate-driven respiration), our work suggests that the major consequence of alcohol feeding is mitochondrial remodeling in the liver as an adaptation. This mitochondrial remodeling may play an important role in the enhanced alcohol metabolism and other adaptations in the liver that develop with alcohol intake. PMID- 27867100 TI - The independent influence of concussive and sub-concussive impacts on soccer players' neurophysiological and neuropsychological function. AB - Accumulating research demonstrates that repetitive sub-concussive impacts can alter the structure, function and connectivity of the brain. However, the functional significance of these alterations as well as the independent contribution of concussive and sub-concussive impacts to neurophysiological and neuropsychological health are unclear. Accordingly, we compared the neurophysiological and neuropsychological function of contact athletes with (concussion group) and without (sub-concussion group) a history of concussion, to non-contact athletes. We evaluated event-related brain potentials (ERPs) elicited during an oddball task and performance on a targeted battery of neuropsychological tasks. Athletes in the sub-concussion and concussion groups exhibited similar amplitude reductions in the ERP indices of attentional resource allocation (P3b) and attentional orienting (P3a) relative to non-contact athletes. However, only athletes in the concussion group exhibited reduced amplitude in the ERP index of perceptual attention (N1). Athletes in the sub concussion and concussion groups also exhibited deficits in memory recall relative to non-contact athletes, but athletes in the concussion group also exhibited significantly more recall errors than athletes in the sub-concussion group. Additionally, only athletes in the concussion group exhibited response delays during the oddball task. The current findings suggest that sub-concussive impacts are associated with alterations in the neurophysiological and neuropsychological indices of essential cognitive functions, albeit to a lesser degree than the combination of sub-concussive and concussive impacts. PMID- 27867098 TI - Ammonia promotes endothelial cell survival via the heme oxygenase-1-mediated release of carbon monoxide. AB - Although endothelial cells produce substantial quantities of ammonia during cell metabolism, the physiologic role of this gas in these cells is not known. In this study, we investigated if ammonia regulates the expression of heme oxygenase-1 (HO-1), and if this enzyme influences the biological actions of ammonia on endothelial cells. Exogenously administered ammonia, given as ammonium chloride or ammonium hydroxide, or endogenously generated ammonia stimulated HO-1 protein expression in cultured human and murine endothelial cells. Dietary supplementation of ammonia also induced HO-1 protein expression in murine arteries. The increase in HO-1 protein by ammonia in endothelial cells was first detected 4h after ammonia exposure and was associated with the induction of HO-1 mRNA, enhanced production of reactive oxygen species (ROS), and increased expression and activity of NF-E2-related factor-2 (Nrf2). Ammonia also activated the HO-1 promoter and this was blocked by mutating the antioxidant responsive element or by overexpressing dominant-negative Nrf2. The induction of HO-1 expression by ammonia was dependent on ROS formation and prevented by N acetylcysteine or rotenone. Finally, prior treatment of endothelial cells with ammonia inhibited tumor necrosis factor-alpha-stimulated cell death. However, silencing HO-1 expression abrogated the protective action of ammonia and this was reversed by the administration of carbon monoxide but not bilirubin or iron. In conclusion, this study demonstrates that ammonia stimulates the expression of HO 1 in endothelial cells via the ROS-Nrf2 pathway, and that the induction of HO-1 contributes to the cytoprotective action of ammonia by generating carbon monoxide. Moreover, it identifies ammonia as a potentially important signaling gas in the vasculature that promotes endothelial cell survival. PMID- 27867099 TI - Risky repair: DNA-protein crosslinks formed by mitochondrial base excision DNA repair enzymes acting on free radical lesions. AB - Oxygen is both necessary and dangerous for aerobic cell function. ATP is most efficiently made by the electron transport chain, which requires oxygen as an electron acceptor. However, the presence of oxygen, and to some extent the respiratory chain itself, poses a danger to cellular components. Mitochondria, the sites of oxidative phosphorylation, have defense and repair pathways to cope with oxidative damage. For mitochondrial DNA, an essential pathway is base excision repair, which acts on a variety of small lesions. There are instances, however, in which attempted DNA repair results in more damage, such as the formation of a DNA-protein crosslink trapping the repair enzyme on the DNA. That is the case for mitochondrial DNA polymerase gamma acting on abasic sites oxidized at the 1-carbon of 2-deoxyribose. Such DNA-protein crosslinks presumably must be removed in order to restore function. In nuclear DNA, ubiquitylation of the crosslinked protein and digestion by the proteasome are essential first processing steps. How and whether such mechanisms operate on DNA-protein crosslinks in mitochondria remains to be seen. PMID- 27867101 TI - Regulation of fear extinction by long-term depression: The roles of endocannabinoids and brain derived neurotrophic factor. AB - The extinction of a conditioned fear response is of great interest in the search for a means of ameliorating adverse neurobiological changes resulting from stress. The discovery that endocannibinoid (EC) levels are inversely related to the extent of such stress, and that the amygdala is a primary site mediating stress, suggests that ECs in this brain region might play a major role in extinction. Supporting this are the observations that the basolateral complex of the amygdala shows an increase in ECs only during extinction and that early clinical trials indicate that cannabinoid-like agents, when taken orally by patients suffering from post traumatic stress disorder (PTSD), reduce insomnia and nightmares. In order to optimize the potential of these agents to ameliorate symptoms of PTSD four important questions need to be answered: first, what is the identity of the cells that release ECs in the amygdala during extinction; second, what are their sites of action; third, what roles do the ECs play in the alleviation of long- depression (LTD), a process central to extinction; and finally, to what extent does brain derived neurotrophic factor (BDNF) facilitate the release of ECs? A review of the relevant literature is presented in an attempt to answer these questions. It is suggested that the principal cell involved in EC synthesis and release during extinction is the so-called excitatory extinction neuron in the basal nucleus of the amygdala. Furthermore that the main site of action of the ECs is the adjacent calcitonin gene-related peptide inhibitory interneurons, whose normal role of blocking the excitatory neurons is greatly diminished. The molecular pathways leading (during extinction trials) to the synthesis and release of ECs from synaptic spines of extinction neurons, that is potentiated by BDNF, are also delineated in this review. Finally, consideration is given to how the autocrine action of BDNF, linked to the release of ECs, can lead to the sustained release of these, so maintaining extinction over long times. PMID- 27867102 TI - Neural correlates of response inhibition in current and former smokers. AB - Loss of behavioral control is a hallmark of addiction. Individual differences in basic cognitive processes such as response inhibition may be important for interrupting automatic behaviors associated with smoking and supporting prolonged abstinence. To examine how response inhibition and error monitoring processes differ as a function of smoking status, current smokers, former smokers and never smokers (N=126) completed a simple Go/No-Go task while undergoing functional magnetic resonance imaging. All groups performed similarly on the task and similarly engaged the inferior frontal gyrus and dorsal anterior cingulate cortex, regions traditionally associated with response inhibition and error monitoring, respectively. During response inhibition (i.e., Correct Rejects>Hits contrast), overall group differences emerged in the recruitment of the cerebellum, while individual group differences in error monitoring (False Alarms>Hits contrast) were seen for regions of the parietal lobe and thalamus (current smokers>former smokers), as well as regions of the bilateral cerebellum, parahippocampal gyrus and superior parietal lobe (i.e., ever smokers>never smokers). We discuss how our results replicate two previous large-sample studies that used the same Go/No-Go task and review these data in terms of network models of inhibitory and error monitoring abnormalities in addiction. PMID- 27867103 TI - Lymphoblastic lymphoma with a triple-hit profile: a rare but distinct and relevant entity. AB - Follicular lymphoma with progression to a high-grade lymphoma bears a poor prognosis. We describe a case of a 60-year-old man who presented in 2012 with an epidural mass, diagnosed as a diffuse large B-cell lymphoma (DLBCL) with concurrent low-grade follicular lymphoma. Three years later, the patient presented with a cervical mass, diagnosed as a lymphoblastic lymphoma (LBL). Both the DLBCL and LBL contained a "triple hit" with BCL2, BCL6, and cMYC translocations demonstrated by fluorescence in situ hybridization analysis and a complex karyotype by single-nucleotide polymorphism array analysis. Furthermore, the 2 lymphomas were shown to be clonally related by clonality analysis and single-nucleotide polymorphism array analysis. This case report presents a highly unusual case of an LBL with a triple hit, originating from a DLBCL, which has rarely been described in the literature and deserves further exploration. PMID- 27867105 TI - Arabidopsis NahG Plants as a Suitable and Efficient System for Transient Expression using Agrobacterium tumefaciens. PMID- 27867104 TI - Identification of transcripts involved in digestion, detoxification and immune response from transcriptome of Empoasca vitis (Hemiptera: Cicadellidae) nymphs. AB - Tea production has been significantly impacted by the false-eye leafhopper, Empoasca vitis (Gothe), around Asia. To identify the key genes which are responsible for nutrition absorption, xenobiotic metabolism and immune response, the transcriptome of either alimentary tracts or bodies minus alimentary tract of E. vitis was sequenced and analyzed. Over 31 million reads were obtained from Illumina sequencing. De novo sequence assembly resulted in 52,182 unigenes with a mean size of 848nt. The assembled unigenes were then annotated using various databases. Transcripts of at least 566 digestion-, 224 detoxification-, and 288 immune-related putative genes in E. vitis were identified. In addition, relative expression of highly abundant transcripts was verified through quantitative real time PCR. Results from this investigation provide genomic information about E. vitis, which will be helpful in further study of E. vitis biology and in the development of novel strategies to control this devastating pest. PMID- 27867106 TI - The Mystery of Mendel's Stay-Green: Magnesium Stays Chelated in Chlorophylls. PMID- 27867107 TI - Draft Genome Sequence of Mentha longifolia and Development of Resources for Mint Cultivar Improvement. AB - The genus Mentha encompasses mint species cultivated for their essential oils, which are formulated into a vast array of consumer products. Desirable oil characteristics and resistance to the fungal disease Verticillium wilt are top priorities for the mint industry. However, cultivated mints have complex polyploid genomes and are sterile. Breeding efforts, therefore, require the development of genomic resources for fertile mint species. Here, we present draft de novo genome and plastome assemblies for a wilt-resistant South African accession of Mentha longifolia (L.) Huds., a diploid species ancestral to cultivated peppermint and spearmint. The 353 Mb genome contains 35 597 predicted protein-coding genes, including 292 disease resistance gene homologs, and nine genes determining essential oil characteristics. A genetic linkage map ordered 1397 genome scaffolds on 12 pseudochromosomes. More than two million simple sequence repeats were identified, which will facilitate molecular marker development. The M. longifolia genome is a valuable resource for both metabolic engineering and molecular breeding. This is exemplified by employing the genome sequence to clone and functionally characterize the promoters in a peppermint cultivar, and demonstrating the utility of a glandular trichome-specific promoter to increase expression of a biosynthetic gene, thereby modulating essential oil composition. PMID- 27867108 TI - Poly (3,4-ethylenedioxythiophene) graphene oxide composite coatings for controlling magnesium implant corrosion. AB - : Magnesium (Mg) is a promising biodegradable implant material because of its appropriate mechanical properties and safe degradation products. However, in vivo corrosion speed and hydrogen gas production need to be controlled for uses in biomedical applications. Here we report the development of a conducting polymer 3,4-ethylenedioxythiphene (PEDOT) and graphene oxide (GO) composite coating as a corrosion control layer. PEDOT/GO was electropolymerized on Mg samples in ethanol media. The coated Mg samples were subjected to various corrosion tests. The PEDOT/GO coating significantly reduced the rate of corrosion as evidenced by lower Mg ion concentration and pH of the corrosion media. In addition, the coating decreased the evolved hydrogen. Electrochemical analysis of the corroding samples showed more positive corrosion potential, a decreased corrosion current, and an increase in the polarization resistance. PEDOT/GO corrosion protection is attributed to three factors; an initial passive layer preventing solution ingress, buildup of negative charges in the film, and formation of corrosion protective Mg phosphate layer through redox coupling with Mg corrosion. To explore the biocompatibility of the coated implants in vitro, corrosion media from PEDOT/GO coated or uncoated Mg samples were exposed to cultured neurons where PEDOT/GO coated samples showed decreased toxicity. These results suggest that PEDOT/GO coating will be an effective treatment for controlling corrosion of Mg based medical implants. STATEMENT OF SIGNIFICANCE: Coating Mg substrates with a PEDOT/GO composite coating showed a significant decrease in corrosion rate. While conducting polymer coatings have been used to prevent corrosion on various metals, there has been little work on the use of these coatings for Mg. Additionally, to our knowledge, there has not been a report of the combined used of conducting polymer and GO as a corrosion control layer. Corrosion control is attributed to an initial barrier layer followed by electrochemical coupling of the PEDOT/GO coating with the substrate to facilitate the formation of a protective phosphate layer. This coupling also resulted in a decrease in hydrogen produced during corrosion, which could further improve the host tissue integration of Mg implants. This work elaborates on the potential for electroactive polymers to serve as corrosion control methods. PMID- 27867109 TI - Towards long lasting zirconia-based composites for dental implants: Transformation induced plasticity and its consequence on ceramic reliability. AB - : Zirconia-based composites were developed through an innovative processing route able to tune compositional and microstructural features very precisely. Fully dense ceria-stabilized zirconia ceramics (84vol% Ce-TZP) containing equiaxed alumina (8vol%Al2O3) and elongated strontium hexa-aluminate (8vol% SrAl12O19) second phases were obtained by conventional sintering. This work deals with the effect of the zirconia stabilization degree (CeO2 in the range 10.0-11.5mol%) on the transformability and mechanical properties of Ce-TZP-Al2O3-SrAl12O19 materials. Vickers hardness, biaxial flexural strength and Single-edge V-notched beam tests revealed a strong influence of ceria content on the mechanical properties. Composites with 11.0mol% CeO2 or above exhibited the classical behaviour of brittle ceramics, with no apparent plasticity and very low strain to failure. On the contrary, composites with 10.5mol% CeO2 or less showed large transformation-induced plasticity and almost no dispersion in strength data. Materials with 10.5mol% of ceria showed the highest values in terms of biaxial bending strength (up to 1.1GPa) and fracture toughness (>10MPa?m). In these ceramics, as zirconia transformation precedes failure, the Weibull modulus was exceptionally high and reached a value of 60, which is in the range typically reported for metals. The results achieved demonstrate the high potential of using these new strong, tough and stable zirconia-based composites in structural biomedical applications. STATEMENT OF SIGNIFICANCE: Yttria-stabilized (Y-TZP) zirconia ceramics are increasingly used for developing metal-free restorations and dental implants. Despite their success related to their excellent mechanical resistance, Y-TZP can undergo Low Temperature Degradation which could be responsible for restoration damage or even worst the failure of the implant. Current research is focusing on strategies to improve the LTD resistance of Y-TZP or to develop alternative composites with better stability in vivo. In this work the mechanical characterization of a new type of very-stable zirconia-based composites is presented. These materials are composed of ceria-stabilized zirconia (84vol%Ce-TZP) containing two second phases (alpha-alumina and strontium hexa-aluminate) and exhibit exceptional strength, toughness and ductility, which may allow the processing of dental implants with a perfect reliability and longer lifetime. PMID- 27867110 TI - Poly(epsilon-benzyloxycarbonyl-L-lysine)-grafted branched polyethylenimine as efficient nanocarriers for indomethacin with enhanced oral bioavailability and anti-inflammatory efficacy. AB - : Star-block copolymers PEI-g-PZLL with a branched polyethylenimine (PEI) core and multiple grafted poly(epsilon-benzyloxycarbonyl-L-lysine) (PZLL) peripheral chains were designed, synthesized, and evaluated as nanocarriers for indomethacin (IND). In an aqueous solution, PEI-g-PZLL self-assembled into spherical nanoparticles capable of encapsulating IND at high loading capacity and loading efficiency. Differential scanning calorimetry and X-ray diffraction measurements indicated that IND was molecularly or amorphously dispersed in the nanoparticles. Fourier transform infrared spectra revealed the presence of multiple intermolecular interactions, including hydrogen bonding, electrostatic forces, pi pi stacking and hydrophobic interactions, between the block copolymer and the IND molecules. IND-loaded nanoparticles exhibited fast release under intestinal pH. Compared with raw IND, the utilization of PEI-g-PZLL as a carrier significantly enhanced the oral bioavailability of IND and improved its protective effect on renal ischemia-reperfusion injury, as evidenced by in vivo pharmacokinetic and pharmacodynamic studies. Cytotoxicity assay, histological observation and cellular uptake study suggested that PEI-g-PZLL was fairly biocompatible. All these results indicated that star-block copolymers PEI-g-PZLL could be used as efficient nanocarriers for IND and other poorly water-soluble drugs. STATEMENT OF SIGNIFICANCE: The use of polyethylenimine (PEI) as an oral drug delivery carrier is limited because it is not biodegradable and the use of higher molecular weight PEI leads to improved efficiency but also increased cytotoxicity. The design of functionalized PEIs with low cytotoxicity and high efficiency is crucial for developing a successful oral drug delivery system. In our study, poly(epsilon benzyloxycarbonyl-L-lysine) (PZLL)-grafted branched PEI (PEI-g-PZLL) was reported as an oral nanocarrier for indomethacin (IND). The low cytotoxicity and biodegradability, well-defined self-assembled nano-sized polymeric micelles, high loading capacity and loading efficiency, amorphous state of the encapsulated IND, as well as the enhanced oral bioavailability of IND, makes the copolymer PEI-g PZLL a promising nanocarrier for the oral administration of IND and possibly other poorly water-soluble drugs. PMID- 27867111 TI - Anti-inflammatory activity of Punica granatum L. (Pomegranate) rind extracts applied topically to ex vivo skin. AB - Coadministered pomegranate rind extract (PRE) and zinc (II) produces a potent virucidal activity against Herpes simplex virus (HSV); however, HSV infections are also associated with localised inflammation and pain. Here, the objective was to determine the anti-inflammatory activity and relative depth penetration of PRE, total pomegranate tannins (TPT) and zinc (II) in skin, ex vivo. PRE, TPT and ZnSO4 were dosed onto freshly excised ex vivo porcine skin mounted in Franz diffusion cells and analysed for COX-2, as a marker for modulation of the arachidonic acid inflammation pathway, by Western blotting and immunohistochemistry. Tape stripping was carried out to construct relative depth profiles. Topical application of PRE to ex vivo skin downregulated expression of COX-2, which was significant after just 6h, and maintained for up to 24h. This was achieved with intact stratum corneum, proving that punicalagin penetrated skin, further supported by the depth profiling data. When PRE and ZnSO4 were applied together, statistically equal downregulation of COX-2 was observed when compared to the application of PRE alone; no effect followed the application of ZnSO4 alone. TPT downregulated COX-2 less than PRE, indicating that tannins alone may not be entirely responsible for the anti-inflammatory activity of PRE. Punicalagin was found throughout the skin, in particular the lower regions, indicating appendageal delivery as a significant route to the viable epidermis. Topical application of TPT and PRE had significant anti-inflammatory effects in ex vivo skin, confirming that PRE penetrates the skin and modulates COX-2 regulation in the viable epidermis. Pomegranates have potential as a novel approach in ameliorating the inflammation and pain associated with a range of skin conditions, including cold sores and herpetic stromal keratitis. PMID- 27867113 TI - Glycosylation and antiproliferative activity of hyperglycosylated IFN-alpha2 potentiate HEK293 cells as biofactories. AB - Both CHO and HEK cells are interesting hosts for the production of biotherapeutics due to their ability to introduce post-translational modifications such as glycosylation. Even though oligosaccharide structures attached to proteins are conserved among eukaryotes, many differences have been found between therapeutic glycoproteins expressed in hamster and human derived cells. In this work, a hyperglycosylated IFN-alpha2b mutein (IFN4N) was produced in CHO and HEK cell lines and an extensive characterization of their properties was performed. IFN4NCHO exhibited a higher average molecular mass and more acidic isoforms compared to IFN4NHEK. In agreement with these results, a 2-times higher sialic acid content was found for IFN4NCHO in comparison with the HEK-derived protein. This result was in agreement with monosaccharide quantification and glycan's analysis using WAX chromatography and HILIC coupled to mass spectrometry; all methods supported the existence of highly sialylated and also branched structures for IFN4NCHO glycans, in contrast with smaller and truncated structures among IFN4NHEK glycans. Unexpectedly, those remarkable differences in the glycosylation pattern had not a considerable impact on the clearance rate of both molecules in rats. In fact, although IFN4NHEK reached maximum plasma concentration 3-times faster than IFN4NCHO, their elimination profile did not differ significantly. Also, despite the in vitro antiviral specific biological activity of both proteins was the same, IFN4NHEK was more efficient as an antiproliferative agent in different tumor-derived cell lines. Accordingly, IFN4NHEK showed a higher in vivo antitumor activity in animal models. Our results show the importance of an appropriate host selection to set up a bioprocess and potentiate the use of HEK293 cells for the production of a new hyperglycosylated protein-based pharmaceutical. PMID- 27867112 TI - Hydrogel-thickened nanoemulsions based on essential oils for topical delivery of psoralen: Permeation and stability studies. AB - Nanoemulsions (NE) have attracted much attention due to their as dermal delivery systems for lipophilic drugs such as psoralens. However, NE feature low viscosity which might be unsuitable for topical application. In this work, we produced hydrogel-thickened nanoemulsions (HTN) using chitosan as thickening polymer to overcome the low viscosity attributed to NE. The aim of this study is to develop and characterize oil-in-water (o/w) HTN based on sweet fennel and clove essential oil to transdermal delivery of 8-methoxsalen (8-MOP). NE components (oil, surfactant) were selected on the basis of solubility and droplet size and processed in a high-pressure homogenizer (HPH). Drug loaded NE and HTN were characterized for particle size, stability under storage and centrifugation, rheological behavior, transdermal permeation and skin accumulation. Transdermal permeation of 8-MOP from HTN was determined by using Franz diffusion cell. Transdermal permeation from HTN using clove essential oil showed strong dependency chitosan molecular weight. On the other hand, HTN using sweet fennel oil showed an unexpected pH-dependent behavior not fully understood at the moment. These results need further investigation, nevertheless HTN revealed to be interesting and complex dermal delivery systems for poorly soluble drugs. PMID- 27867116 TI - Automatic and rapid identification of glycopeptides by nano-UPLC-LTQ-FT-MS and proteomic search engine. AB - : Here we demonstrate the potential of nano-UPLC-LTQ-FT-MS and the ByonicTM proteomic search engine for the separation, detection, and identification of N- and O-glycopeptide glycoforms in standard glycoproteins. The use of a BEH C18 nanoACQUITY column allowed the separation of the glycopeptides present in the glycoprotein digest and a baseline-resolution of the glycoforms of the same glycopeptide on the basis of the number of sialic acids. Moreover, we evaluated several acquisition strategies in order to improve the detection and characterization of glycopeptide glycoforms with the maximum number of identification percentages. The proposed strategy is simple to set up with the technology platforms commonly used in proteomic labs. The method allows the straightforward and rapid obtention of a general glycosylated map of a given protein, including glycosites and their corresponding glycosylated structures. The MS strategy selected in this work, based on a gas phase fractionation approach, led to 136 unique peptides from four standard proteins, which represented 78% of the total number of peptides identified. Moreover, the method does not require an extra glycopeptide enrichment step, thus preventing the bias that this step could cause towards certain glycopeptide species. Data are available via ProteomeXchange with identifier PXD003578. SIGNIFICANCE: We propose a simple and high-throughput glycoproteomics-based methodology that allows the separation of glycopeptide glycoforms on the basis of the number of sialic acids, and their automatic and rapid identification without prior knowledge of protein glycosites or type and structure of the glycans. PMID- 27867114 TI - Serine protease inhibitor Kazal-type 2 is expressed in the male reproductive tract of carp with a possible role in antimicrobial protection. AB - The presence of the low-molecular-mass serine protease inhibitor Kazal-type (Spink) is a characteristic feature of vertebrate semen. Its main function is control of the serine protease in the acrosome, acrosin. Here we showed for the first time that Spink is present in the seminal plasma of carp, which have anacrosomal spermatozoa. Using a three-step isolation procedure that consisted in gel filtration and RP-HPLC and re-RP-HPLC, we isolated this inhibitor and identified it as serine protease inhibitor Kazal-type 2 (Spink2), a reproductive derived member of the Spink family. The cDNA sequence of this inhibitor obtained from carp testis encoded 77 amino acids, including a 17 amino acids signal peptide; this sequence was distinct from fish Kazal-type inhibitors. The mRNA expression analysis showed that Spink2 is expressed predominantly in carp testis and spermatic duct. Immunohistochemical analysis demonstrated its localization in testis in Sertoli, Leydig and germ cells at all developmental stages (with the exception of spermatozoa) and in the epithelium of the spermatic duct. Aside from strong inhibition of trypsin, this inhibitor acts strongly against subtilisin and possesses bacteriostatic activities against Lactobacillus subtilis, Escherichia coli and Aeromonas hydrophila. The localization of Spink2 in carp reproductive tract suggests an important function in spermatogenesis and in maintenance of the microenvironment in which sperm maturation occurs and sperm are stored. Our results suggest that Spink2 from carp seminal plasma may play a role in antibacterial semen defense, protecting semen against unwanted proteolysis within the reproductive tract. PMID- 27867115 TI - Central Chemoreceptor Sensitivity Is Not Enhanced in Contemporary Patients With Chronic Systolic Heart Failure Receiving Optimal Treatment. AB - BACKGROUND: Clinical and prognostic consequences of enhanced central chemosensitivity in the contemporary optimally treated patients with chronic heart failure (CHF) are unknown. METHODS AND RESULTS: We studied central chemosensitivity (defined as hypercapnic ventilatory response [HCVR; L/min/mmHg]) in 161 CHF patients (mean left ventricular ejection fraction [LVEF] 31 +/- 6%, all receiving a combination of angiotensin-converting enzyme inhibitor/angiotensin receptor blocker and beta-blocker) and 55 sex- and age matched healthy controls. HCVR did not differ between CHF patients and controls (median 0.63 vs 0.57 L/min-1/mmHg-1, P = .76). When the CHF patients were divided into tertiles according to their HCVR values, there were no significant differences in clinical characteristics (except for ischemic etiology, which was more frequent in those with the highest HCVR), results of the cardiopulmonary exercise testing, and indices of heart rate variability. During the follow-up (median 28 months, range 1-48 months, >=15 months in all survivors), 21 patients died. HCVR was not related to survival in the Cox proportional hazards analysis. CONCLUSIONS: Central chemosensitivity is not enhanced in contemporary, optimally treated CHF patients and its assessment does not provide significant clinical or prognostic information. PMID- 27867117 TI - Extramedullary Cavernous Hemangioma with Intradural and Extradural Growth and Clinical Symptoms of Brown-Sequard Syndrome: Case Report and Review of the Literature. AB - BACKGROUND: Primary spinal tumors are rare. Symptoms depend on the size and location of the tumor. CASE DESCRIPTION: A patient presented with a rare clinical finding, Brown-Sequard syndrome. The symptoms were caused by an extramedullary tumor compressing on the thoracic spinal cord. Pathologic examination showed cavernous hemangioma with growth both intradurally and extradurally. CONCLUSIONS: This is an extremely rare finding; to our knowledge, only 1 case report has been published before in which a spinal cavernous hemangioma had intradural and extradural growth. The clinical symptoms of Brown-Sequard syndrome have not been described before in the findings of spinal cavernous hemangiomas. PMID- 27867118 TI - Giant Parietal Encephalocele with Massive Brain Herniation and Suboccipital Encephalocele in a Neonate: An Unusual Form of Double Encephalocele. AB - Double encephalocele is extremely rare. We present an unusual form of double encephalocele including giant supratentorial and small infratentorial encephalocele in a neonate. PMID- 27867119 TI - Glioblastoma Secondary to Meningioma: A Case Report and Literature Review. AB - BACKGROUND: The pathophysiologies underlying meningioma and glioma are distinct. The coexistence of those 2 lesions in the same patient is rare, and at the same location, it is even more exceptional. CASE DESCRIPTION: We report a case of a 79 year-old man initially presenting with a meningioma that was treated by complete excision of the lesion. The patient had 2 relapses at the same site, in which glioblastoma was confirmed histopathologically. CONCLUSIONS: Glial transformation meningiomas remain a contentious issue, with coincidental occurrence being the most prevalent explanation. Nevertheless, impairment of the same molecular signaling pathways in both tumor types suggests a common origin. Another hypothesis is that perilesional parenchymal damage from radiotherapy or surgery may lead to glial transformation in the tissues surrounding the original meningioma lesion. Further research is needed to determine if the original tumor or surgery has an oncogenic effect on the adjacent tissue. PMID- 27867120 TI - Transforaminal Resection of Cervical Dumbbell Schwannomas in Patients with Additional Tumors. AB - BACKGROUND: It is rare for 2 primary tumors to occur simultaneously in a patient. Management of cervical dumbbell schwannomas (CDSs) with concurrent tumors (CTs) requires a specific neurosurgical strategy. The primary objective of this study is to investigate surgical strategies for CDSs with CTs while preserving as much of the mechanically relevant bone structures as possible. METHODS: Twelve patients with concurrent CTs and CDSs were identified from 3 medical centers. Surgical strategies for CDSs were based on accurate preoperative images and subsequent treatment considerations for CTs. All patients received surgical treatment for CDSs and CTs. Clinical features, surgical considerations for a transforaminal approach (TA), and ultimate outcome were studied retrospectively. RESULTS: Gross total resection of CDSs was achieved with endoscopic and microscopic assistance in 9 cases, and subtotal resection was achieved in 3 cases after the head and neck surgeons exposed and removed the extraforaminal anatomy. One patient required an additional hemilaminectomy for the resection of the intraspinal segment. After wound healing, patients were transferred to the appropriate surgical department for surgery on CTs with cervical spine stabilization after a transforaminal approach. CONCLUSIONS: In most patients, the stability of the cervical spine can be preserved with low invasive microsurgical or endoscopic transforaminal resection. CTs could be surgically treated sequentially after microscopic- and endoscopic-assisted resection of CDSs. PMID- 27867121 TI - Effect of Direct Stimulation of the Cochleovestibular Nerve on Tinnitus: A Long Term Follow-Up Study. AB - OBJECTIVE: Tinnitus is a common entity that may lead to severe impairment in quality of life. An adequate treatment modality for severe tinnitus is currently lacking. Neurostimulation of the auditory tract may serve as a promising adjunct in tinnitus treatment. The aim is to investigate the effect of direct stimulation on the cochleovestibular nerve for intractable tinnitus. METHODS: This study was conducted at the University Medical Center Groningen, The Netherlands. We studied 10 patients with severe, unilateral, intractable tinnitus, who were implanted with a cuff electrode around the cochleovestibular nerve between 2001 and 2013. All patients had preoperative ipsilateral hearing loss. Tinnitus Handicap Inventory (THI) scores and audiometric values were collected. Treatment success was determined based on the self-assessment of satisfactory usage by each patient. RESULTS: The mean preoperative tinnitus duration was 8.0 +/- 5.9 years. The preoperative THI score was 71 +/- 18 points. During mean follow-up of 49 months, the mean THI reduction was 24 +/- 26 points (P = 0.02). Treatment was regarded successful in 6 patients (60%). In these patients, tinnitus did not disappear, but transformed into a more bearable sound. In 4 patients, transient complications occurred, and 1 patient experienced permanent vertigo postoperatively. Furthermore, hearing deterioration was a result of implantation in 86% of the patients. CONCLUSIONS: Direct neurostimulation resulted in treatment success in a small majority of the patients, with a significant decrease in THI score. However, because of a high risk of additional hearing damage, this technique seems not viable for patients with moderate hearing loss. PMID- 27867122 TI - Resolution of Trigeminal Neuralgia After Transvenous Embolization of a Cavernous Sinus Dural Arteriovenous Fistula. AB - BACKGROUND: Trigeminal neuralgia (TN) resulting from a dural arteriovenous fistula (DAVF) are rare. A case of cavernous sinus dural arteriovenous fistula (CSDAVF) in a patient with TN that resolved immediately after transvenous embolization (TVE) is described. CASE DESCRIPTION: A 75-year-old woman presented with continuous facial pain. On time-of-flight magnetic resonance angiography (MRA), a CSDAVF was suspected, and digital subtraction angiography (DSA) showed a CSDAVF. The TN completely resolved immediately after TVE, with no recurrence. Follow-up MRA showed complete obliteration of the fistula 13 months after TVE. CONCLUSIONS: The pulsatile flow at the posteromedial part of the cavernous sinus might have compressed the upper aspect of the Gasserian ganglion, causing TN. Disappearance of pulsatile flow after TVE might result in complete resolution of TN. PMID- 27867123 TI - Significance of the Extent of Resection in Modern Neurosurgical Practice of World Health Organization Grade I Meningiomas. AB - OBJECTIVE: Since the prognostic importance of radical resection was introduced in 1957, the neurosurgery practice has undergone several technologic advancements. The aim of this study was to evaluate whether the prognostic value of the extent of resection is still relevant in modern neurosurgical practice. METHODS: Over a 10-year period, all patients with histologic-confirmed World Health Organization grade I meningiomas and who underwent meningioma surgery were retrospectively analyzed. Survival analyses were performed using Kaplan-Meier analysis and univariate and multivariate Cox proportional-hazards regression analyses. RESULTS: There were 113 patients included in this study. A better Simpson grade was associated with recurrence-free survival (RFS) 5, 10, and 15 years after surgery (P < 0.001). Comparing Simpson grade I with Simpson grades III and IV, 13.1 and 36.6 times higher hazard ratios were revealed with respect to RFS, respectively. A 7.5 times higher hazard ratio was revealed when comparing Simpson grades II and IV. Additional survival analyses were performed within specific locations and groups with low and high mitotic indices, demonstrating that the extent of resection can add additional information about RFS. CONCLUSIONS: Simpson grade remains a highly significant predictor of RFS in meningioma resected patients in modern neurosurgical practice. Extent of resection should therefore be emphasized when predicting prognosis and considering postoperative treatment and frequency of radiologic follow-up after surgery. PMID- 27867125 TI - Choosing a Prescription Isodose in Stereotactic Radiosurgery for Brain Metastases: Implications for Local Control. AB - OBJECTIVE: Stereotactic radiosurgery (SRS) achieves excellent local control (LC) with limited toxicity for most brain metastases. SRS dose prescription variables influence LC; therefore, we evaluated the impact of prescription isodose line (IDL) on LC after SRS. METHODS: A retrospective analysis of patients with brain metastases treated on a Gamma Knife platform from 2004 to 2014 was conducted. Clinical, toxicity, radiographic, and dosimetric data were collected. Cox proportional hazards regression was used to determine progression-free survival (PFS) and competing risks analysis was used to determine predictive factors for LC. RESULTS: A total of 134 patients with 374 brain metastases were identified with a median survival of 8.7 months (range, 0.2-64.8). The median tumor maximum dimension was 8 mm (range, 2-62 mm), median margin dose was 20 Gy (range, 5-24 Gy), and 12-month LC rate was 88.7%. On multivariate analysis, PFS improved with increasing IDL (P = 0.003) and decreased with non-non-small-cell lung cancer histology (P = 0.001). Margin dose, tumor size, conformality, and previous whole brain irradiation failed to independently affect PFS. When adjusting for death as a competing risk, the cumulative likelihood of LC improved with higher IDL (P = 0.04). The rate of SRS-induced radiographic and clinical toxicity was low (16.6% and 1.5%, respectively), and neither was affected by IDL. CONCLUSIONS: Our results confirm that SRS for brain metastases results in favorable LC, particularly for patients with smaller tumors. We noted that dose delivery to a higher prescription IDL is associated with small but measurable improvements in LC. This finding could be related to higher dose just beyond the radiographically apparent tumor. PMID- 27867124 TI - Ventral Dural Injury After Oblique Lumbar Interbody Fusion. AB - BACKGROUND: Oblique lumbar interbody fusion (OLIF) through the oblique corridor between the aorta and anterior border of psoas muscle is favored among spinal surgeons who employ minimally invasive techniques. We report a case of ventral dural tear after OLIF that was associated with the inaccurate trajectory direction of endplate preparation. This is the first report to our knowledge of ventral dural tear associated with OLIF. CASE DESCRIPTION: A 72-year-old woman presented with right leg pain and numbness. X-rays showed degenerative spondylolisthesis and loss of disc height at L4-L5 and L5-S1 levels. Magnetic resonance imaging revealed right-sided paracentral disc herniation at the L3-L4 level and foraminal disc herniation at L4-L5. The initial surgical plan was OLIF of L3-L4 and L4-L5 after percutaneous screw fixation without laminectomy. With the patient in the lateral position, discectomy and endplate preparation were done successfully at the L3-L4 level, and the same procedure was done at the L4 L5 level for OLIF. A sharp Cobbs elevator for endplate preparation triggered a ventral dural defect at the L4-L5 level. We changed the patient's position to attempt dural repair. The ventral dural defect could not be repaired because it was too large. After the herniated rootlets were repositioned, TachoComb was patched over the defect site. Postoperatively, the patient has no definite neurologic deficits. CONCLUSIONS: When a surgeon performs OLIF, ventral dural injury should be avoided during the procedure of endplate preparation and contralateral annular release. PMID- 27867126 TI - Coiling Is Not Superior to Clipping in Patients with High-Grade Aneurysmal Subarachnoid Hemorrhage: Systematic Review and Meta-Analysis. AB - BACKGROUND: Outcomes of coiling embolization versus clipping for patients with high-grade aneurysmal subarachnoid hemorrhage (aSAH) have not been previously compared. We reviewed current evidence regarding the safety and efficacy of clipping versus coiling for high-grade aSAH. METHODS: We conducted a meta analysis of studies that compared clipping with coiling in patients with high grade aSAH published from January 1999 to February 2016 in Medline, Embase, and Cochrane databases based on PRISMA inclusion and exclusion criteria. Binary outcome comparisons between clipping and coiling were described using odds ratios (ORs). RESULTS: Three randomized controlled trials (RCTs) and 16 observational studies were included. There was no statistical difference in good outcome rates between the clipping and coiling groups (OR, 1.44; 95% confidence interval [CI], 0.97-2.13). Subgroup analysis showed no significant difference between the 2 treatments in non-RCTs (OR, 1.49; 95% CI, 0.95-2.36) and RCTs (OR, 1.15; 95% CI, 0.59-2.25). Coiling was associated with higher mortality (OR, 0.55; 95% CI, 0.41 0.75). Lower mortality was associated with clipping in non-RCTs (OR, 0.54; 95% CI, 0.40-0.74), but there was no difference in the RCTs (OR, 0.79; 95% CI, 0.19 3.39). Coiling was not associated with lower rates of complications including rebleeding (OR, 0.62; 95% CI, 0.30-1.29), ischemic infarct (OR, 0.89; 95% CI, 0.53-1.49), symptomatic vasospasm (OR, 0.76; 95% CI, 0.45-1.29), or shunt dependent hydrocephalus (OR, 1.33; 95% CI, 0.52-3.40). CONCLUSION: The outcome with coiling is not superior to clipping in patients with high-grade aSAH; moreover, coiling has a greater risk of mortality. PMID- 27867127 TI - Salvage Revision Surgery After Inappropriate Approach for Primary Spine Tumors: Long Term Follow-Up in 56 Cases. AB - BACKGROUND: The mainstay treatment of primary malignant bone tumors is wide surgery in the spine. Unfortunately, most cases undergo the first approach in a nonspecialized center; this often means adopting an inappropriate approach with contamination, which consistently decreases the effectiveness of a second surgery. The aim of the present paper is to evaluate recurrence and survival rates after en-bloc resection. METHODS: All patients underwent wide resection by the senior author from January 1997 to December 2013 after the first inappropriate approach was reviewed. Fifty-six patients were included in the present evaluation. Epidemiologic and clinical characteristics, surgeries, early and late complications, and survival rate were reported. RESULTS: The margin obtained was wide, marginal, and intralesional in 9, 28, and 19 cases, respectively. The complication rates were 55.4% and 44.6% for early and late complications, respectively. Most (73.2%) of the patients had complications. The survival rate is 82.1% at 1 year and then decreases 10% each year until 42.1% at 5 years from surgeries. No statistically significant correlation was found between margin and local recurrence and survival. CONCLUSION: In our series, the first inappropriate approach had already compromised patient prognosis, so in case of suspicious primary spine tumor, the patient had to be referred to a specialized center. The margin obtained during salvage surgery does not appear to influence recurrence and survival, probably because it is already compromised by the first surgery. More prospective studies are necessary to confirm our data and verify the impact of the margin obtained during salvage surgery on patients' survival. PMID- 27867128 TI - Evaluation of Meropenem Penetration into Cerebrospinal Fluid in Patients with Meningitis After Neurosurgery. AB - OBJECTIVE: Meropenem is important for management of postneurosurgical meningitis, but the data about its penetration into cerebrospinal fluid (CSF) are inadequate. This prospective, open-label study investigated the pharmacokinetic profile of meropenem in patients with postneurosurgical meningitis, especially its CSF penetration. METHODS: A total of 82 patients with postneurosurgical meningitis were included to receive meropenem intravenously according to a regimen of 2 g every 8 hours, 1 g every 8 hours, or 1 g every 6 hours. After infusion of 4 doses, blood and CSF samples were collected simultaneously at predefined time points. The high-performance liquid chromatography ultraviolet method was used to determine the concentration of meropenem. RESULTS: The peak meropenem concentration in blood and CSF was 43.2 +/- 5.3 and 2.4 +/- 0.3 mg/L in the group who received 2 g every 8 hours; 28.9 +/- 2.7 and 1.2 +/- 0.2 mg/L in the group who received 1g every 8 hours; and31.5 +/- 3.4 and 1.6 +/- 0.2 mg/L in the group who received 1g every 6 hours. The maximal percent penetration into CSF was 17.6% +/- 7.3%, 14.3% +/- 1.7%, and 30.9% +/- 24.2%, respectively. CONCLUSIONS: Dosing regimens of meropenem 1 g every 6 hours and 2 g every 8 hours provided higher CSF penetration than 1 g every 8 hours. A higher dose and shorter dosing interval of meropenem may be more useful for clearance of pathogens. PMID- 27867129 TI - Interventions for Lumbar Synovial Facet Joint Cysts: A Comparison of Percutaneous, Surgical Decompression and Fusion Approaches. AB - OBJECTIVE: Facet joint cysts (FJCs) of the lumbar spine are an increasingly reported cause of radiculopathy, lower back pain, and neurologic deficits. Currently, there is a lack of conclusive evidence outlining when a particular treatment should be undertaken and what patient indications suit a particular approach. The present systematic review and meta-analysis aims to evaluate the efficacy of percutaneous treatment and surgical decompression with or without fusion. METHODS: A systematic literature search of scientific databases from their inception to February 2016 was performed by 2 reviewers. Studies pertaining to percutaneous procedures, decompressive surgeries, or decompressive surgeries with fusion for the treatment of lumbar facet joint cysts were identified. Data for resolution of symptoms, repeat procedures, and subsequent fusion were extracted and analyzed. RESULTS: Fifty studies comprising 870 patients with lumbar FJCs were identified for inclusion. Decompressive procedures were performed in 62.8% of patients, whereas 36.1% were treated by percutaneous aspiration or rupture, and only 1.1% were treated by decompression with fusion. Pooled analysis showed the rate of cyst resolution to be 90% for decompressive procedures with or without fusion and 58% for percutaneous procedures. Repeat procedures were required in 29% of percutaneous procedures, but less than 1% for all decompression operations. CONCLUSIONS: Evaluation of the literature shows surgical intervention to be advantageous over percutaneous procedures for the treatment of lumbar FJCs. There is no evidence suggesting when fusion should be undertaken because of the limited data available. PMID- 27867130 TI - Bilateral Ossified Chronic Subdural Hematoma Presenting as Diabetes Insipidus Case Report and Literature Review. AB - Calcified chronic subdural hematomas are an occurrence rarely seen in neurosurgical clinical practice. And when they occur bilaterally, the radiologic image they present is fascinating, as is the clinical presentation, but their management may be challenging. They have been reported to present with a multitude of neurologic deficits but never with diabetes insipidus, which is described here. Due to the rarity of this pathology, the management protocol is not well defined, though there have been quite a few papers on this condition. This review article gathers information published over the years on this rare entity to suggest a treatment protocol. PMID- 27867132 TI - Learning curve for real-time ultrasound-guided percutaneous tracheostomy. AB - OBJECTIVES: The objective of this study was to demonstrate and quantify the ultrasound-guided percutaneous tracheostomy (UPDT) learning curve in a single team since the first UPDT. STUDY DESIGN AND PATIENTS: This was a cohort of all consecutive patients undergoing UPDT in the Amiens teaching hospital surgical intensive care unit between 2010 and 2014. METHODS: The learning process was evaluated according to three aspects: duration of the various steps involved in UPDT, incidence of consecutive complications, and procedure difficulty. RESULTS: During the study period, 85 consecutive patients underwent UPDT with no deaths. The mean total procedure time was 22 (10) minutes (range: 7 to 60). Analysis of mean cumulative UPDT procedure times showed that total UPDT time decreased to a stable duration of 25minutes after 54 procedures. Complications were observed in 24 (28%) of the 85 patients. The overall complication rate decreased to below a stable percentage of 30% after 70 procedures. The minor complication rate decreased below 25% after 64 procedures. The moderate complication rate decreased to below a stable percentage of 10% after 10 procedures. The major complication rate decreased to below a stable percentage of 5% after 20 procedures. Most complications were observed in the first 50 patients (25 [50%] versus 6 [13%], P<0.05). CONCLUSIONS: Our study demonstrated that UPDT is associated with a fairly long learning curve. At least 50 procedures are necessary to perform UPDT with an acceptable complication rate and procedure time. PMID- 27867131 TI - Neuronavigation Based on Track Density Image Extracted from Deterministic High Definition Fiber Tractography. AB - BACKGROUND: Diffusion tensor imaging-based navigation is unable to resolve crossing fibers or to determine with accuracy the fanning, origin, and termination of fibers. It is important to improve the accuracy of localizing white matter fibers for improved surgical approaches. We propose a solution to this problem using navigation based on track density imaging extracted from high definition fiber tractography (HDFT). CASE DESCRIPTION: A 28-year-old asymptomatic female patient with a left-lateral ventricle meningioma was enrolled in the present study. Language and visual tests, magnetic resonance imaging findings, both preoperative and postoperative HDFT, and the intraoperative navigation and surgery process are presented. Track density images were extracted from tracts derived using full q-space (514 directions) diffusion spectrum imaging (DSI) and integrated into a neuronavigation system. Navigation accuracy was verified via intraoperative records and postoperative DSI tractography, as well as a functional examination. DSI successfully represented the shape and range of the Meyer loop and arcuate fasciculus. Extracted track density images from the DSI were successfully integrated into the navigation system. The relationship between the operation channel and surrounding tracts was consistent with the postoperative findings, and the patient was functionally intact after the surgery. CONCLUSIONS: DSI-based TDI navigation allows for the visualization of anatomic features such as fanning and angling and helps to identify the range of a given tract. Moreover, our results show that our HDFT navigation method is a promising technique that preserves neural function. PMID- 27867133 TI - Fiber optic bronchoscopy and remifentanil target-controlled infusion in critically ill patients with acute hypoxaemic respiratory failure: A descriptive study. AB - INTRODUCTION: Sedation optimizes patient comfort and ease of execution during fiber optic bronchoscopy (FOB). Our objective was to describe the safety and efficacy of remifentanil-TCI during FOB in non-intubated, hypoxaemic, thoracic surgery ICU patients. METHODS: Consecutive spontaneously breathing adults requiring FOB after thoracic surgery were included if they had hypoxaemia (PaO2/FiO2<300mmHg or need for non-invasive ventilation [NIV]) and prior FOB failure under topical anaesthesia. The remifentanil initial target was chosen at 1ng/mL brain effect-site concentration (Cet), then titrated to 0.5ng/mL Cet increments according to patient comfort and coughing. Outcomes were patient reported pain and discomfort (Visual Analogue Scale scores), ventilatory support intensification within 24hours after bronchoscopy, and ease of FOB execution. RESULTS: Thirty-nine patients were included; all had a successful FOB. Their median PO2/FiO2 before starting FOB was 187+/-84mmHg and 24 patients received NIV. Median [interquartile range] pain scores were not different before and after FOB (1.0 [0.0-3.0] and 0.0 [0.0-2.0], respectively). Discomfort was reported as absent or minimal by 27 patients (69%; 95% confidence interval [95% CI], 54-81%) and as bothersome but tolerable by 12 patients (31%; 95% CI, 19-46%). Mean FiO2 returned to baseline within 2hours after FOB in 30 patients; the remaining 9 patients (23%; 95% CI, 13-38%) received ventilatory support intensification. Ease of execution was good or very good in 34 patients (87%; 95% CI, 73-94%), acceptable in 4 patients, and poor in 1 patient (persistent cough). CONCLUSION: Sedation with remifentanil-TCI during FOB with prior failure under topical anaesthesia alone was effective and acceptably safe in non-intubated hypoxaemic thoracic surgery patients. PMID- 27867134 TI - Residual anxiety after high fidelity simulation in anaesthesiology: An observational, prospective, pilot study. AB - BACKGROUND: High fidelity simulation (HFS) in anaesthesiology intentionally provides stress on students, but anxiety may be detrimental if it goes on through debriefing. The primary goal of this study was to estimate the proportion of students with significant anxiety remaining after debriefing (residual anxiety [RA]). Secondary goals were to evaluate the instructors' ability to estimate students' RA and to identify potential risk factors for high RA. SUBJECTS AND METHODS: Following IRB approval and informed consent, data from a cohort of subjects were prospectively collected by an independent expert. State-anxiety after debriefing (RA) was prospectively measured using the State-Trait Anxiety Inventory (a score varying from 20 to 80/80). RA was considered significant when>=36/80. Instructors simultaneously estimated the levels of subjects' RA via a visual analogue scale. Data about subjects, stress during scenarios (including continuous heart rate monitoring), and debriefings (including DASH(c) quality scores) were also collected. RESULTS: Seventy study subjects (30 residents, 26 nurses and 14 anaesthetists) were enrolled during 52 HFS sessions. As concerns the primary endpoint, RA was>=36/80 in 15 subjects (21%; 95% CI: 13-32). The median RA was 30/80 [25-35]. For secondary endpoints, the instructors' estimations poorly correlated with measurements: rho=0.36 (P<0.01); limits of agreement: -16 and 22. Subjects with RA>=36/80 had significantly higher trait anxiety (P<0.01). An easy scenario (P=0.04) and low quality debriefing (P=0.04) were associated with higher RAs. CONCLUSION: Most students experienced low anxiety after debriefing. Instructors seem to be unable to reliably estimate students' RA. Students with an anxious personality are more likely to be anxious after debriefing. PMID- 27867135 TI - Comparison of capillary and arterial lactate levels in patients with shock. AB - OBJECTIVE: Several guidelines recommend point-of-care lactate measurements for therapeutic decision-making in patients with shock. The aim of the study was to validate capillary lactate measurements with a bedside micromethod in patients with shock. STUDY DESIGN: Prospective observational study. PATIENTS AND MEASUREMENTS: Capillary lactate levels measured by a micromethod (CAPI) and arterial lactate levels measured by a standard laboratory method (ARTs) were simultaneously and repeatedly assayed in consecutive ICU patients with shock. The validity and clinical acceptability of the CAPI method was assessed from its reproducibility, the arterio-capillary lactate difference (ACLD) and conventional diagnostic indicators. MAIN RESULTS: Lactate measurements were available for 139 time-points in 37 patients. CAPI values correlated well with ARTs values (intraclass coefficient correlation: r2=0.92, P<0.001). CAPI had a sensitivity of 98%, a specificity of 36%, an accuracy of 88% and a positive predictive value of 89% to detect lactate values>=2mmol/L (P<0.0001). The mean bias between the two methods (ACLD: 0.56+/-2.21mmol/L) was mainly due to higher lactate concentration in capillary blood. CONCLUSION: CAPI was correctly correlated to ARTs. The bias between the two methods is probably acceptable for triage purpose. Patients with elevated capillary lactate or in shock should be monitored with atrial-based lactate. PMID- 27867136 TI - Pediatric orthopedic surgery in humanitarian aid. AB - Pediatric orthopedic surgery in humanitarian aid is conducted mainly in cooperation with emerging countries. Each mission is different, and depends on numerous parameters such as the country, the frequency of such missions, the pathologies encountered, the local structure and team, and the non-governmental organization (NGO) involved. Pathologies vary in etiology (tuberculosis, poliomyelitis) and severity. Each mission requires the presence of an experienced surgeon. Working conditions are often rudimentary. Surgical indications should be restricted to procedures that are going to be effective, with minimal postoperative complications, without any surgical "acrobatics". Teaching should be in association with the local university, and adapted to local needs. Mission objectives need to be realistic. Surgical indications should be adapted to local conditions, and the surgeon needs to be able to say "no" to procedures involving undue risk. The surgeon on mission should cooperate with local teams and be able to adapt to unusual situations. Assessment of results is essential to improving efficacy and evaluating the success of the mission. PMID- 27867137 TI - Minimally invasive internal fixation of distal femur fractures. AB - Fractures of the distal femur remain a daunting challenge. Since 1970, operative treatment has been recommended. Unfortunately, it is fraught with complications, and techniques have been developed to limit incidence of non-union, infection and stiffness. A soft-tissue friendly approach is the key point, with minimally invasive surgery as the ultimate goal: its biological and anatomical advantages have been demonstrated, but clinical studies have been less convincing, being based on historical series. At present, retrograde nailing and minimally invasive percutaneous plate osteosynthesis (ideally by locking plate) are the two main techniques. Unfortunately, reports tend to compare implants rather than operative techniques, hindering solid conclusions. Lastly, the delineation of "distal femur fracture" is quite variable, sometimes situated well above the AO epiphyseal square. Meta-analyses find almost no difference between the two implants in minimally invasive procedures. The main advantage of the plate is its versatility, whereas nailing can be impossible in case of certain hip or knee prostheses, compound articular fracture or medullary canal obstruction by fixation material (nail, stem, screw, etc.). The role of arthroscopy is limited. Only a few case reports describe its use in reduction of epiphyseal fracture. In the last analysis, the surgeon's experience is more relevant to outcome than any particular implant. PMID- 27867138 TI - Are the AMPLATZER Duct Occluder II Additional Sizes devices dedicated only for smaller children? AB - AIMS: The aim of this study was to present our experience with the AMPLATZER Duct Occluder II Additional Sizes (ADOIIAS) for the closure of different types of patent ductus arteriosus (PDA) in patients of various age groups. METHODS AND RESULTS: A group of 103 patients, in whom the PDA (diameter below 3.5 mm) was closed using the ADOIIAS, was analysed. The median age of treated patients was 3.0 years (from 0.1 to 24 years), and 55 patients (53.4%) were older than three years. Ductal anatomy defined by angiography showed type A in 42 patients (40.8%), type C in six patients (5.8%), type D in 21 patients (20.5%), and type E in 34 patients (33.0%). In two cases, embolisation of the device occurred shortly after implantation. Both occluders were retrieved percutaneously. One death occurred in a neonate four days after ADOIIAS implantation (not related to the procedure: multi-organ failure). Total occlusion of PDA was confirmed in all patients the day after the procedure. No protrusion of the device into the aorta or pulmonary artery was observed in any patient during follow-up. CONCLUSIONS: The use of the ADOIIAS is a good therapeutic option for the treatment of selected PDA. The implant may be successfully substituted for coil implantation in all age groups. PMID- 27867141 TI - Sex differences in plaque characteristics by intravascular imaging in patients with coronary artery disease. AB - AIMS: We aimed to study sex differences in coronary plaque burden and plaque composition in patients with coronary artery disease (CAD). METHODS AND RESULTS: Virtual histology intravascular ultrasound (VH-IVUS) and near-infrared spectroscopy (NIRS) imaging of a non-culprit coronary artery was performed in 178 (23.5%) women and 581 (76.5%) men who underwent invasive management of stable angina pectoris (SAP) or acute coronary syndrome (ACS). Women were older and had a worse cardiovascular risk profile than men, but less extended angiographic coronary disease. Irrespective of the presenting diagnosis, women had lower VH IVUS-derived plaque burden than men (38.1% vs. 40.5% in SAP, and 35.9% vs. 38.8% in ACS). Standardised (mean 211 vs. 263 mm3 in SAP, and 199 vs. 245 mm3 in ACS) total plaque volume was lower in women. Volumes of fibrous tissue, fibro-fatty tissue, necrotic core and dense calcium were also lower in women. NIRS-derived lipid core burden index (LCBI) was lower in women, in particular in SAP (mean LCBI in the worst 4 mm 220 vs. 240). The observed differences remained significant after adjustment for clinical characteristics. CONCLUSIONS: Women had more favourable plaque characteristics than men, despite their worse risk profile. Long-term follow-up studies are required to evaluate the clinical consequences. PMID- 27867140 TI - Impact of calcified bifurcation lesions in patients undergoing percutaneous coronary intervention using drug-eluting stents: results from the COronary BIfurcation Stent (COBIS) II registry. AB - AIMS: Few data regarding clinical outcomes according to severity of calcification in patients with coronary bifurcation target lesions are available. We therefore aimed to evaluate the clinical outcomes according to severity of calcification in patients with coronary bifurcation target lesions after percutaneous coronary intervention (PCI) with drug-eluting stents (DES) using a large-scale multicentre Korean registry. METHODS AND RESULTS: This prospective, multicentre, observational registry enrolled 2,897 patients undergoing PCI with DES for coronary bifurcation lesions. We compared target lesion failure (TLF), defined as a composite of cardiac death, non-fatal myocardial infarction (MI), and target lesion revascularisation (TLR), according to severity of calcification in coronary bifurcation target lesions, assessed by an angiographic core laboratory using quantitative coronary angiography. Moderate or severe calcification of target bifurcation lesions was observed in 608 (20.9%) patients. During a median follow-up period of 36 months, moderate or severe calcification increased the adjusted risks of TLF (hazard ratio [HR] 1.31, 95% confidence interval [CI]: 1.03 1.68, p=0.031), TLR (HR 1.36, 95% CI: 1.04-1.79, p=0.027), and revascularisation (HR 1.39, 95% CI: 1.09-1.78, p=0.009). However, it was not associated with an increased risk of cardiac death, MI, or stent thrombosis. CONCLUSIONS: Moderate or severe calcification of coronary bifurcation lesions is not uncommon and is associated with unfavourable long-term clinical outcomes, driven mainly by an increased frequency of repeat revascularisation. PMID- 27867142 TI - Impact of plaque type and side branch geometry on side branch compromise after provisional stent implantation: a simulation study. AB - AIMS: Mechanisms of lumen compromise after provisional side branch (SB) stenting are poorly understood. In this study we aimed to investigate the impact of bifurcation angle, plaque composition, and procedural strategy on SB compromise. METHODS AND RESULTS: Computer simulations of stent implantation were performed in Medina (1,1,1) bifurcation models. Provisional SB stenting was replicated including post-dilation after main branch stenting. Two bifurcation angles (45 degrees , 70 degrees ) and four plaque types (fully lipid, fully fibrous, lipid with half and fully calcified ring distal to the carina) were tested. Two post dilation balloons of different lengths (15 mm and 9 mm) were also investigated. Provisional stenting caused an ovalisation of the SB ostium (i.e., increase of ellipticity from 0.27 to 0.58+/-0.21, p<0.05) that might appear as a significant stenosis on two-dimensional angiography, although SB ostium area was preserved ( 3.3+/-10.3%) in the absence of calcifications. However, in the presence of calcifications, SB lumen volume compromise was evident (-0.89+/-0.15 mm3). Plaque type had a higher impact than bifurcation angle on SB ostium shape. A shorter balloon (9 mm) for proximal optimisation reduced SB lumen volume compromise from 1.11 mm3 to -0.72 mm3. CONCLUSIONS: Simulations showed ovalisation of the SB ostium, generally without significant lumen compromise. Provisional stenting in the presence of calcifications resulted in a more severe outcome for the SB ostium. PMID- 27867143 TI - Survival after percutaneous coronary intervention for chronic total occlusion in elderly patients. AB - AIMS: Few data are available on outcomes of percutaneous coronary intervention (PCI) for coronary chronic total occlusions (CTO) in very elderly patients in the drug-eluting stent (DES) era. We aimed to investigate long-term survival in a single-centre cohort of elderly patients following CTO PCI using DES. METHODS AND RESULTS: A total of 2,002 consecutive patients who underwent PCI of a CTO at our centre between January 2005 and December 2013 were followed for a median of 2.6 years (interquartile range 1.1-3.1 years). Four hundred and nine (409) patients were older than 75 years. The absolute reduction in all-cause mortality by successful CTO PCI was numerically greater in elderly patients as compared to younger patients (22.1% vs. 7.2% at three years). In multivariate models, successful CTO PCI was significantly associated with improved survival in both elderly (adjusted hazard ratio [HR] 0.58, 95% confidence interval [CI]: 0.39 to 0.87; p=0.009) and younger patients (adjusted HR 0.59, 95% CI: 0.40 to 0.86; p=0.006). CONCLUSIONS: In the DES era, elderly patients (>=75 years) derive a similar survival benefit from successful CTO PCI to younger patients. These findings suggest that CTO PCI, when indicated, should not be withheld from the elderly. PMID- 27867144 TI - Palliative care in Pakistan. AB - Pakistan is a developing country of South East Asia, with all the incumbent difficulties currently being faced by the region. Insufficient public healthcare facilities, poorly regulated private health sector, low budgetary allocation for health, improper priority setting while allocating limited resources, have resulted essentially in an absence of palliative care from the healthcare scene. Almost 90% of healthcare expenditure is out of the patient's pocket with more than 45% of population living below the poverty line. All these factors have a collective potential to translate into an end-of-life care disaster as a large percentage of population is suffering from chronic debilitating/terminal diseases. So far, such a disaster has not materialised, the reason being a family based culture emphasising the care of the sick and old at home, supported by religious teachings. This culture is not limited to Pakistan but subsists in the entire sub-continent, where looking after the sick/elderly at home is considered to be the duty of the younger generation. With effects of globalisation, more and more older people are living alone and an increasing need for palliative care is being realised. However, there does not seem to be any plan on the part of the public or private sectors to initiate palliative care services. This paper seeks to trace the social and cultural perspectives in Pakistan with regards to accessing palliative care in the context of healthcare facilities available. PMID- 27867145 TI - Human papillomavirus vaccines, complex regional pain syndrome, postural orthostatic tachycardia syndrome, and autonomic dysfunction - a review of the regulatory evidence from the European Medicines Agency. AB - Recent concerns about a possible association between exposure of young women to human papillomavirus (HPV) vaccines and two "dysautonomic syndromes" (a collection of signs and symptoms thought to be caused by autoimmunity) - complex regional pain syndrome (CRPS) and postural orthostatic tachycardia syndrome (POTS) - led the European Medicines Agency (EMA) to review existing evidence. The review was announced by the EMA on July 13, 2015, and was completed on November 4, 2015. PMID- 27867146 TI - Genomics: disclose the influence of human specific genetic variation on the evolution and development of cerebral cortex. AB - Cerebral cortex, whose complexity of structure and function has derived from human specific genetic variation, is the most advanced nerve center of human, controlling the cognitive ability which distinguishes human from any other creatures. Using genomics technology, molecular mechanisms of cerebral cortex development and evolution have been disclosed. In this review, we summarize how genomics technologies are used in exploring the influence of human specific genetic variation on cerebral cortex development and evolution, including the genomics methods to study the gene expression differences among the cerebral cortex of human beings, chimpanzee and other mammals; as well as the role of the significant non-coding regulatory sequences-human accelerated regions (HARs) in the process of brain development. We also discuss the future research trends on the human specific genetic variation in the field of neurobiology. PMID- 27867147 TI - Evolution of KRAB-containing zinc finger proteins and their roles in species evolution. AB - The C2H2 zinc finger protein family, one of the largest families of transcription factor/transcriptional regulator in mammal, arose from a small ancestral group of eukaryotic zinc finger transcription factors through many repeated gene duplications accompanied by functional divergence. As the biggest subfamily of C2H2 zinc finger protein family, Kruppel-associated box-containing zinc finger proteins (KRAB-ZFPs) appeared at the period oftetrapod, expand rapidly along with species evolution, and take about 60% of the total C2H2 zinc finger proteins in human. During species evolution, the DNA binding ability of KRAB-ZFPs is changed while the KRAB-ZFPs-mediate transcriptional repression ability maintains stable under the evolution pressure. Moreover, multiple KRAB-ZFPs function synergistically with KAP1 on transcriptional silencing of retroelements, and the coevolution between KRAB-ZFPs and target retrotransposons restrict the jumping ability of the retroelements. In this review, we summarize the roles of KRAB-ZFPs duplication, the flexibility of zinc finger structure, transcriptional repression of KRAB-ZFPs/KAP1 and retroelement "jump" in promoting the divergence in regulatory network, stable genome change and species evolution, in order to reveal the characters and functions of KRAB-ZFPs in driving species evolution stably. PMID- 27867148 TI - Generation, identification, formation mechanism and application of plant haploids. AB - Haploids are individuals with gametophytic chromosome numbers. Homozygous doubled haploids can be quickly gained by genome doubling. Haploids and doubled haploids play an important role on crop breeding, mutant screening, gene functional analysis, cytological studies, construction of genetic population and so on, and have been a research hotspot of plants in recent years. In this review, we summarize the production means, identification, the genetic mechanism and the applications of haploids and doubled haploids. We hope to provide a reference for study and application of haploids and doubled haploids. PMID- 27867149 TI - Research progress on identification of QTLs and functional genes involved in salt tolerance in soybean. AB - The yield of soybean is substantially reduced when the crop is grown in salinity affected soil. This review summarizes the progress achieved in defining the genetic basis of salinity tolerance. Both forward (uncovering the genetic basis of a phenotype by exploiting natural or induced mutations) and reverse (defining the phenotype which arises as a result of an altered DNA sequence) genetics methods have been used to reveal the function of key salinity response genes. Quantitative trait locus analysis has identified six regions of the genome which harbor loci influencing salinity tolerance, and positional cloning has succeeded in isolating one important salt tolerant gene. Meanwhile the application of the genome-wide association study technique has led to the isolation of a second gene involved in salinity tolerance. Reverse genetics experiments have highlighted a number of salinity response genes, mainly including ion transporter genes and transcription factor genes. These studies lay the foundations for understanding the mechanistic basis of salinity tolerance in soybean, knowledge of which would be essential to enable the breeding of highly salinity tolerant soybean cultivars through the use of marker-assisted selection or transgenesis. PMID- 27867150 TI - Generation and analysis of the Rett syndrome-associated MeCP2- null rat model. AB - MeCP2 mutations are associated with the Rett syndrome (RTT). Currently, there is an urgent need for new animal models for RTT as the existing MeCP2 knockout mouse models fail to fully mimic the pathogenesis and symptoms of RTT patients. In order to investigate the role of MeCP2 in brain development and RTT pathogenesis, we aimed to set up the MeCP2-null rat model using the CRISPR/Cas9 technology. Firstly we constructed the MeCP2 targeting vector and then microinjected Cas9 mRNA and sgRNA mixtures into fertilized ova of SD rats. The sgRNA was designed to target the exon 2 of MeCP2. Next, knockout rats were confirmed using DNA sequencing and Western blotting. Lastly, phenotypes including growth and behaviors of MeCP2 knockout rats were analyzed. The results indicated that the MeCP2 knockout rats showed body weight loss, anxiety tendency and cognitive deficits. The MeCP2-null rat model established in this study recapitulates the major symptoms of RTT patients and provides an alternative tool for future studies of MeCP2 functions. PMID- 27867151 TI - Genetic analysis and gene mapping of the glabrous leaf and hull mutant glr3 in rice (Oryza sativa L.). AB - We obtained a glabrous leaf and hull mutant from a population of radiation mutagenesis of an indica rice cultivar R401. The mutant produced smooth leaves and hairless glumes under normal growth conditions. An F2 population was developed from a cross between a japonica cultivar Nipponbare and the glabrous leaf and hull mutant. By investigating the performance of the F2 population, we found that the mutant phenotype was controlled by a single recessive gene, temporarily designated GLR3. Bulked segregant analysis (BSA) based on the F2 mapping population revealed that GLR3 is located on chromosome 6. By analyzing 417 typical glabrous leaf F2 plants using molecular markers, GLR3 was mapped to a 0.2 cM interval between InDel markers ID27101 and ID27199, and the physical distance between the two markers is 98 kb. Thus we have mapped the gene GLR3, and our work will provide basis for future mechanistic analysis of GLR3 function. PMID- 27867152 TI - Transmitting characters of individual E chromosomes of Thinopyrum elongatum in Triticum turgidum background. AB - The transmission patterns of Thinopyrum elongatum chromosomes in the background of Triticum turgidum were investigated through cytogenetic and molecular marker analysis based on the F2 and F3 plants derived from a cross between Triticum trititrigia (AABBEE) and T. turgidum L. ssp. durum (AABB). An additional objective was to develop durum-Th. elongatum E chromosome addition lines. Among 218 F2 plants, individuals with 2n=28 accounted for 41.7%, those with 2n=29 accounted for 18.3%, and the remaining 40.0% had 2n=31-42. Molecular marker analysis of the F2 monosomic addition plants with 2n=29 showed significant differences in transmission rate among Th. elongatum chromosomes. Chromosome 1E had the highest transmission rates, while 3E and 6E had the lowest. Among F2 double monosomic addition plants with 2n=30, joint transmission was frequent between 1E, 4E, 7E and 5E; 6E was less frequent in joint transmission with other chromosomes, while 2E and 3E never transmitted along with other chromosomes. Among F3 plants derived from F2 monosomic addition plants, the transmission rates of E chromosomes varied widely, from the minimum of 9.1% for 6E to the maximum of 27.5% for 1E, consistent with observations from F2 plants. A full set of durum Th. elongatum 1E-7E monosomic addition lines and several disomic addition lines were selected from F3 plants, and all monosomic addition plants were fertile. These chromosome E addition lines will be useful intermediate materials for developing substitution lines and translocation lines. PMID- 27867153 TI - Cultivating the scientific research ability of undergraduate students in teaching of genetics. AB - The classroom is the main venue for undergraduate teaching. It is worth pondering how to cultivate undergraduate's research ability in classroom teaching. Here we introduce the practices and experiences in teaching reform in genetics for training the research quality of undergraduate students from six aspects: (1) constructing the framework for curriculum framework systematicaly, (2) using the teaching content to reflect research progress, (3) explaining knowledge points with research activities, (4) explaining the scientific principles and experiments with PPT animation, (5) improving English reading ability through bilingual teaching, and (6) testing students' analysing ability through examination. These reforms stimulate undergraduate students' enthusiasm for learning, cultivate their ability to find, analyze and solve scientific problems, and improve their English reading and literature reviewing capacity, which lay a foundation for them to enter the field of scientific research. PMID- 27867154 TI - Life Sciences Discovery and Technology Highlights. PMID- 27867155 TI - Handgrip Strength Is Positively Associated with Mildly Elevated Serum Bilirubin Levels among Community-Dwelling Adults. AB - Handgrip strength (HGS) is a useful measure of health-related quality of life and general muscle strength. Serum total bilirubin (T-B) may present potential beneficial effects in preventing oxidative changes which are associated with a risk of metabolic syndrome and the development of cardiovascular disease. Limited information is available regarding whether HGS is an independent confounding factor for serum T-B. The study participants were 214 men aged 71 +/- 8 (mean +/- standard deviation) years and 302 women aged 71 +/- 7 years that were enrolled consecutively from among paticipants aged >= 50 years through an annual check-up process. We evaluated the relationship between serum T-B and confounding factors within each sex. HGS related significantly with serum T-B in both men (r = 0.156, p = 0.023) and women (r = 0.173, p = 0.003). Multiple linear regression analysis showed that in men, HGS (beta = 0.173) as well as smoking status (beta = -0.147), exercise habit (beta = 0.138), low-density lipoprotein cholesterol (beta = 0.146), and hemoglobin A1c (HbA1c) (beta = -0.198) were significantly and independently associated with serum T-B. In women, HGS (beta = 0.159) as well as smoking status (beta = -0.116), high-density lipoprotein cholesterol (beta = 0.159), and HbA1c (beta = -0.161) were significantly and independently associated with serum T-B. Multivariate-adjusted serum T-B levels were significantly lower in subjects with the lowest HGS level in both sexes. Increased HGS is strongly associated with increased serum T-B, independent of confounding factors in both sexes. PMID- 27867156 TI - Transcriptional Analysis of Intravenous Immunoglobulin Resistance in Kawasaki Disease Using an Induced Pluripotent Stem Cell Disease Model. AB - BACKGROUND: Approximately 10-20% of Kawasaki disease (KD) patients are resistant to intravenous immunoglobulin (IVIG) treatment. Further, these patients are at a particularly high risk of having coronary artery abnormalities. The mechanisms of IVIG resistance in KD have been analyzed using patient leukocytes, but not patient vascular endothelial cells (ECs). The present study clarifies the mechanisms of IVIG resistance in KD using an induced pluripotent stem cell (iPSC) disease model.Methods and Results:Dermal fibroblasts or peripheral blood mononuclear cells from 2 IVIG-resistant and 2 IVIG-responsive KD patients were reprogrammed by the episomal vector-mediated transduction of 6 reprogramming factors. KD patient-derived iPSCs were differentiated into ECs (iPSC-ECs). The gene expression profiles of iPSC-ECs generated from IVIG-resistant and IVIG responsive KD patients were compared by RNA-sequencing analyses. We found that the expression ofCXCL12was significantly upregulated in iPSC-ECs from IVIG resistant KD patients. Additionally, Gene Set Enrichment Analysis (GSEA) revealed that gene sets involved in interleukin (IL)-6 signaling were also upregulated. CONCLUSIONS: The first iPSC-based model for KD is reported here. Our mechanistic analyses suggest thatCXCL12, which plays a role in leukocyte transmigration, is a key molecule candidate for IVIG resistance and KD severity. They also indicate that an upregulation of IL-6-related genes may be involved in this pathogenesis. PMID- 27867157 TI - Effects of Salt Loading on Plasma Osteoprotegerin Levels and Protective Role of Potassium Supplement in Normotensive Subjects. AB - BACKGROUND: Excess dietary salt is strongly correlated with cardiovascular disease, morbidity, and mortality. Conversely, potassium likely elicits favorable effects on cardiovascular disorders. In epidemiological studies, increased plasma osteoprotegerin (OPG) concentrations are associated with atherosclerosis and vascular deaths. Our study was designed to examine the effects of salt intake and potassium supplementation on plasma OPG levels in normotensive subjects.Methods and Results:The 18 normotensive subjects were selected from a rural community in China. They were sequentially maintained on low-salt diet for 7 days (3 g/day, NaCl), high-salt diet for 7 days (18 g/day), and high-salt diet with potassium supplementation for 7 days (18 g/day of NaCl+4.5 g/day of KCl). High-salt intake enhanced plasma OPG levels (252.7+/-13.9 vs. 293.4+/-16.1 pg/mL). This phenomenon was abolished through potassium supplementation (293.4+/-16.1 vs. 235.1+/-11.3 pg/mL). Further analyses revealed that the OPG concentration positively correlated with 24-h urinary sodium excretion (r=0.497, P<0.01). By contrast, OPG concentration negatively correlated with 24-h urinary potassium excretion (r=0.594, P<0.01). CONCLUSIONS: Salt loading can enhance the production of circulating OPG. Potassium supplementation can reverse the effects of excessive OPG. Our study results may improve our understanding of the roles of salt and potassium in the risk of cardiovascular disorders. PMID- 27867158 TI - Preprocedural High-Sensitivity C-Reactive Protein Predicts Long-Term Outcome of Percutaneous Coronary Intervention. AB - BACKGROUND: High-sensitivity C-reactive protein (hs-CRP) has been used to predict the risk of adverse cardiac events in patients with coronary artery disease (CAD) after percutaneous coronary intervention (PCI). Less is known, however, about the association between hs-CRP and long-term outcome after PCI in the Japanese population.Methods and Results:We studied 3,039 all-comer patients with CAD who underwent their first PCI and had data available for preprocedural hs-CRP at Juntendo University between 2000 and 2011. Patients were assigned to tertiles based on preprocedural hs-CRP concentration. We evaluated the incidence of major adverse cardiac events (MACE) including all-cause death, acute coronary syndrome (ACS), and target vessel revascularization (TVR). Patients with higher hs-CRP had a higher prevalence of current smoking, chronic kidney disease and ACS, and a lower prevalence of statin use. During a median follow-up period of 6.5 years, ongoing divergence in MACE with hs-CRP tertile was noted on Kaplan-Meier curves (hs-CRP <0.08 mg/L, 26.4%; 0.08-0.25 mg/L, 38.2%; >0.25 mg/L, 45.6%; log-rank P<0.001). After adjustment for established cardiovascular risk factors, hs-CRP was associated with higher incidence of MACE (hazard ratio [HR], 1.10; 95% CI: 1.04-1.16, P<0.001) and higher all-cause mortality (HR, 1.14; 95% CI: 1.06-1.22, P<0.001). CONCLUSIONS: Preprocedural hs-CRP measurement is clinically useful for long-term risk assessment in Japanese patients with established CAD and undergoing PCI. PMID- 27867159 TI - Culture-Dependent and -Independent Identification of Polyphosphate-Accumulating Dechloromonas spp. Predominating in a Full-Scale Oxidation Ditch Wastewater Treatment Plant. AB - The oxidation ditch process is one of the most economical approaches currently used to simultaneously remove organic carbon, nitrogen, and also phosphorus (P) from wastewater. However, limited information is available on biological P removal in this process. In the present study, microorganisms contributing to P removal in a full-scale oxidation ditch reactor were investigated using culture dependent and -independent approaches. A microbial community analysis based on 16S rRNA gene sequencing revealed that a phylotype closely related to Dechloromonas spp. in the family Rhodocyclaceae dominated in the oxidation ditch reactor. This dominant Dechloromonas sp. was successfully isolated and subjected to fluorescent staining for polyphosphate, followed by microscopic observations and a spectrofluorometric analysis, which clearly demonstrated that the Dechloromonas isolate exhibited a strong ability to accumulate polyphosphate within its cells. These results indicate the potential key role of Dechloromonas spp. in efficient P removal in the oxidation ditch wastewater treatment process. PMID- 27867160 TI - Morphological and Taxonomic Properties of Tokyovirus, the First Marseilleviridae Member Isolated from Japan. AB - Members of the Marseilleviridae family are large DNA viruses with icosahedral particle structures that infect Acanthamoeba cells. The first Marseillevirus to be discovered was isolated in 2009. Since then, several other members of the Marseilleviridae family have been reported, including Lausannevirus, Senegalvirus, Cannes 8 virus, Insectomime virus, Tunisvirus, Melbournevirus, Port Miou virus, and Brazilian Marseillevirus, which have been isolated from Europe, Africa, Australia, and South America. The morphological and genomic properties of a new Marseilleviridae family member, Tokyovirus, discovered in a water/soil sample from a Japanese river in Tokyo, were described in the present study. Tokyovirus possesses icosahedral particles of up to 200 nm in diameter, as revealed by a transmission electron microscopy (TEM) analysis, which form a giant virion factory in Acanthamoeba cells. A preliminary genome analysis predicted 487 coding sequences. A dot plot analysis and phylogenetic analysis using family B DNA polymerase, proliferating cell nuclear antigen (PCNA), and DNA-directed RNA polymerase alpha subunit genes revealed that Tokyovirus shares similarities with Marseillevirus, Melbournevirus, and Cannes 8 virus (Marseilleviridae subclade A), but not with Lausannevirus and Port-Miou virus (subclade B), Tunisvirus and Insectomime virus (subclade C), or Brazilian Marseillevirus (subclade D), suggesting that Tokyovirus has evolved separately from the previously described Marseilleviridae members. PMID- 27867162 TI - A unique mechanism regulating gene expression in 1-cell embryos. AB - After fertilization, the genome of zygotes is transcriptionally silent. The timing of the initiation of transcription is species-specific and occurs at the mid-1-cell stage in mice. Recent analyses using high-throughput sequencing (HTS) have identified thousands of genes transcribed at the 1-cell stage, and the pattern of expression among these genes appears to be unique. In this article, we show the result of an additional analysis using HTS data from a previous study, and present the hypothesis that an extremely loose chromatin structure causes promiscuous gene expression in 1-cell embryos. PMID- 27867161 TI - Departure from optimal O2 level for mouse trophoblast stem cell proliferation and potency leads to most rapid AMPK activation. AB - Previous studies showed that cultured mouse trophoblast stem cells (mTSCs) have the most rapid proliferation, normal maintenance of stemness/potency, the least spontaneous differentiation, and the lowest level of stress-activated protein kinase (SAPK) when incubated at 2% O2 rather than at the traditional 20% O2 or hypoxic (0.5% and 0% O2) conditions. Switching from 2% O2 induced fast SAPK responses. Here we tested the dose response of AMP-activated protein kinase (AMPK) in its active form (pAMPK Thr172P) at O2 levels from 20-0%, and also tested whether pAMPK levels show similar rapid changes when mTSC cultures were switched from the optimal 2% O2 to other O2 conditions. There was a delayed increase in pAMPK levels ~6-8 h after switching conditions from 20% to 2%, 0.5%, or 0% O2. Altering O2 conditions from 2% to either 20%, 0.5%, or 0% led to rapid increase in pAMPK levels within 1 h, similar to the previously reported SAPK response in mTSC cells removed from 2% O2. Twelve hours of 0.5% O2 exposure led to cell program changes in terms of potency loss and suppressed biosynthesis, as indicated by levels of phosphorylated inactive acetyl CoA carboxylase (pACC). Phosphorylation of ACC was inhibited by the AMPK inhibitor Compound C. However, unlike other stressors, AMPK does not mediate hypoxia-induced potency loss in mTSCs. These results suggest an important aspect of stem cell biology, which demands rapid stress enzyme activation to cope with sudden changes in external environment, e.g., from least stressful (2% O2) to more stressful conditions. PMID- 27867163 TI - Anatomical variations of the arterial supply to the adrenal gland in the rat. AB - The adrenal gland is an essential endocrine organ for the stress response. The functions of this organ may be studied by ligation of the adrenal artery or adrenalectomy. However, in prior studies, descriptions of the anatomical variations of the adrenal artery were insufficient and inconsistent. Therefore, anatomical variations of the arterial supply to the adrenal gland were studied in 18 male and 18 female Wistar rats by colored latex injection into the arteries. The vascularization pattern was categorized into 4 types based on the origin of each adrenal artery. The cranial and middle adrenal arteries arose from the caudal phrenic artery in Types 1-3, but the caudal adrenal artery emerged from the caudal phrenic artery in Type 1, from the renal artery in Type 2 and from the abdominal aorta in Type 3. In Type 4, the cranial and middle adrenal arteries stemmed from the cranial phrenic artery, and the caudal adrenal artery arose from the caudal phrenic artery. The number of adrenal arteries varied from 3 to 11 on the left side and from 4 to 12 on the right side, and the total varied from 9 to 20 (predominantly 14) in each individual. There was no sex difference in the vascularization pattern. The results show that more individual variations occur in the adrenal arteries of rats than was previously reported. Such variations should always be considered when experimental treatments of the rat adrenal gland are performed. PMID- 27867164 TI - Preface for Special Issue on the Field of the Abdomen. PMID- 27867165 TI - Evaluation of a New Motion-correction Algorithm Using On-rigid Registration in Respiratory-gated PET/CT Images of Liver Tumors. AB - OBJECTIVE: The present study aimed to determine the qualitative and quantitative accuracy of the Q.Freeze algorithm in PET/CT images of liver tumors. METHODS: A body phantom and hot spheres representing liver tumors contained 5.3 and 21.2 kBq/mL of a solution containing 18F radioactivity, respectively. The phantoms were moved in the superior-inferior direction at a motion displacement of 20 mm. Conventional respiratory-gated (RG) and Q.Freeze images were sorted into 6, 10, and 13 phase-groups. The SUVave was calculated from the background of the body phantom, and the SUVmax was determined from the hot spheres of the liver tumors. Three patients with four liver tumors were also clinically assessed by whole-body and RG PET. The RG and Q.Freeze images derived from the clinical study were also sorted into 6, 10 and 13 phase-groups. Liver signal-to-noise ratio (SNR) and SUVmax were determined from the RG and Q.Freeze clinical images. RESULTS: The SUVave of Q.Freeze images was the same as those derived from the body phantom using RG. The liver SNR improved with Q.Freeze, and the SUVsmax was not overestimated when Q.Freeze was applied in both the phantom and clinical studies. Q.Freeze did not degrade the liver SNR and SUVmax even though the phase number was larger. CONCLUSIONS: Q.Freeze delivered qualitative and quantitative motion correction than conventional RG imaging even in 10-phase groups. PMID- 27867166 TI - The Usefulness of Using Fiducial Marker in Proton Therapy for Locally Advanced Pancreatic Cancer. AB - BACKGROUND: Though the dosimetric criteria for the gastrointestinal tract were met, late gastrointestinal toxicity was seen in several cases. Therefore, we thought that it was caused by the positional variation of gastrointestine surrounding pancreatic cancer because of peristalsis. METHOD: They were confirmed by CT image regularly. And we evaluated that how much the difference of matching methods for correcting the positional variation influenced dose distribution. RESULT: The fiducial markers could follow the position of pancreatic cancer and the duodenum. But it could reproduce the dose distribution to pancreatic cancer and the duodenum. DISCUSSION: In proton therapy, the reproducible improvement of the duodenum position did not make the dose of the duodenum same as planning dose because the matching of fiducial markers made the positional relations between beam compensator and the duodenum change. CONCLUSION: The fiducial markers are useful for correcting the position of pancreatic cancer and the duodenum. But in proton therapy, it could not reproduce the dose distribution to pancreatic cancer and the duodenum. PMID- 27867167 TI - Evaluation of Fat Quantification in the Liver Using Dual Energy CT. AB - BACKGROUND AND PURPOSE: Recently, the number of patients with nonalcoholic fatty liver disease (NAFLD) has been increasing, and some of them progresses to cirrhosis and hepatocellular carcinoma. Dual energy CT allows the discrimination of substance using monochromatic image (MI), and steatosis exhibit specifically the CT value of each energy level. The purpose is to evaluate the fat quantification in the liver using spectral HU curve and CT value compare to a conventional image diagnosis. METHODS: Dual energy CT and liver biopsy were performed in 54 patients between October 2014 and April 2016. The CT value of 40 keV MI was measured by spectral HU curve setting 3 points ROI on the right and left liver. The CT value of 40 keV MI was compared with steatosis area and the NAFLD activity score (NAS). Additionally, steatosis area was compared with the conventional CT value scan and hepatorenal echo contrast value. RESULTS AND DISCUSSION: The CT value of 40 keV MI exhibited a negative correlation for the stenosis area (R2=0.619), and NAS (R2=0.147). Steatosis area exhibited correlation for the conventional CT value (R2=0.407), and hepatorenal echo contrast (R2=0.135). This study suggests that the evaluation of the fat quantification in the liver using the spectral HU curve and CT value improved in comparison to the conventional image diagnosis. PMID- 27867168 TI - Clinical Experience of Dual-phase Cone Beam Computed Tomography during Hepatic Arteriography to Apply 3D-DSA. AB - We report on the methods and experiences of the dual-phase cone beam computed tomography during hepatic arteriography (CBCTHA) to apply the 3D-DSA. A total of 32 ml contrast medium (150 mgI/ml) was injected at the rate of 2.0 ml/s for 16 s. The early phase scan was initiated 10 s after the start of contrast media injection. The delayed phase scan was started 40 s after that (24 s after the end of CM injection). When using the dual phase CBCTHA, it was able to obtain the classical hepatocellular carcinoma (HCC) images same as computed tomography during hepatic arteriography (CTHA). In the early phase, the tumor can be highly enhanced against the liver parenchyma. In delayed phase, corona enhancement was clearly appeared at the liver parenchyma. Of 58 cases of acquisitions, we experienced six cases with miss breath holding and 14 cases with over the field of view (FOV) due to hepatomegaly. We evaluated the tumor contrast in 18 cases because the other 40 cases were not applied to our criteria. The pixel values of ROIs on the tumor, coronal enhancement, and liver parenchyma were measured, respectively. Then, we calculated tumor-parenchyma contrast (T-P contrast), corona-tumor contrast (C-T contrast), and corona-parenchyma contrast (C-P contrast). The T-P contrast was 358+/-112, the C-T contrast was 132+/-51, and the C-P contrast was 168+/-66. The contrast was clearly visualized among them. The dual-phase CBCTHA that applies the 3D-DSA is a simple and useful technique for hepatocellular carcinoma treatment. PMID- 27867169 TI - Optimization of the Timing of the Portal Venous Phase in Preoperative 3DCT for Malignant Liver Tumors. AB - Preoperative three-dimensional computed tomography (3DCT) of the liver is the most important examination in performing preoperative simulation. Detailed visualization of the portal vein using the workstation is critical to enable accurate liver segmentation. However, the timing of imaging in the portal venous phase has mostly been reported equivalent to that of the liver screening examinations commonly performed. The purpose of this study was to examine the optimal timing of image capture to create the best portal vein visualization in preoperative 3DCT of the liver. Seventy-nine patients who underwent hepatectomy for malignant liver tumors were enrolled in this study. All patients were preoperatively examined using protocol A (imaging method separated into a portal venous phase and a hepatic venous phase) and then examined 1 week after surgery using protocol B (normal liver screening protocol). We first established the regions of interest in the portal vein and the hepatic vein and then compared CT values for these regions under protocol A and protocol B. The average CT value of the portal vein in protocol A and B was 239.8+/-28.1 HU and 202.2+/-18.5 HU, respectively. The average CT value of the portal vein in protocol A was significantly higher compared with protocol B (p<0.01). By introducing separate timing for portal venous phase imaging before preoperative 3DCT (protocol A), it is possible to satisfactorily depict the portal vein. PMID- 27867170 TI - Evaluation of Appropriate Readout Sequence for Renal MRI Perfusion Using ASTAR (ASL) Technique. AB - The aim of this study was to compare true-steady state free precession (True SSFP) with fast field echo (FFE) as readout imaging sequences for renal arterial spin labeling (ASL), and to optimize the imaging condition. Renal ASL perfusion images were acquired using signal targeting with alternated radio frequency using asymmetric inversion slab (ASTAR) technique with respiratory triggering at 3T MRI system, using either 3D True-SSFP or FFE as the readout sequence. Inversion time (TI) varied from 800 to 2400 ms. Appropriate flip angles were estimated for each sequence by simulating signal intensity (SI). The SI of the renal cortex, vertebral body, and intestinal tract were measured, and the contrast ratio of the cortex (CRcortex) or intestine (CRintestine) related to vertebra was calculated. The image quality of the kidneys, background signal suppression, and misregistration were evaluated by four-point scales. As a result, in quantitative evaluation, the average of CRcortex of each TI (800, 1200, 1600, 2000, and 2400 msec) were 0.49, 0.57, 0.63, 0.63, and 0.56 in FFE, and 0.59, 0.71, 0.73, 0.73, and 0.68 in True-SSFP, respectively. IN qualitative evaluation, ASL images with True-SSFP readout were significantly better than those with FFE readout. In conclusion, True-SSFP sequences will be recommended as read out imaging sequence for obtaining ASL image compared with FFE image. PMID- 27867171 TI - Optimal Imaging Parameters and the Advantage of Renal Artery Image Using Time spatial Labeling Inversion Pulse at 3 Tesla Magnetic Resonance Imaging: Comparison of Image Quality for 1.5 Tesla Magnetic Resonance Imaging. AB - With the recent spread of three tesla (3 T) magnetic resonance imaging (MRI), time-spatial labeling inversion pulse (Time-SLIP) technique at high magnetic field can be used. The purpose of this study was to determine appropriate renal artery imaging parameters and to compare with the 1.5 T MRI image quality of a renal artery using the Time-SLIP technique. The imaging sequence was 3D true steady-state free precession (True SSFP), and using respiratory gated by the voice instructions of breath interval 2, 4, 6 seconds. We measured the fat signals when changing the values of short TI inversion recovery (STIR TI), the renal artery and renal parenchyma signals when changing the values of black blood time interval (BBTI), and contrast-to-noise ratio (CNR) between renal artery and background in 11 healthy volunteers. Visual evaluation using a 4-stage score at renal artery in clinical cases was performed. 3 T MRI is compared with a 1.5 T MRI, and the null point of STIR TI value is 60 ms extension, null point of BBTI value in the renal parenchyma was an extension of 250 ms in any of the breath interval. In flow effect, there is no difference in the 1.5 T MRI and 3 T MRI, peaked at BBTI value 1500 ms. CNR and visual evaluation were better than 3 T MRI. 3 T MRI showed a better image quality by the background signal suppression effect of the extension of the T1 value. PMID- 27867172 TI - Evaluation of Image Quality in Three-dimensional Fat-suppressed T1-weighted Images with Fast Acquisition Mode for Upper Abdomen. AB - We compared the uniformity of fat-suppression and image quality using three dimensional fat-suppressed T1-weighted gradient-echo sequences that are liver acquisition with volume acceleration (LAVA) and Turbo-LAVA at 3.0T-MRI. The subjects were seven patients with liver disease (mean age, 66.7+/-8.2 years). The axial slices of two LAVA sequences were used for the comparison of the uniformity of fat-suppression and image quality at a region-of-interest (ROI) of the liver dome, the porta, and the renal hilum. To yield a quantitative measurement of the uniformity of fat suppression, the percentage standard deviation (%SD) was calculated by comparing two sequences. For image signal to noise ratio (SNR), the contrast between the liver and fat (Cliver-fat), and the liver and muscle (Cliver muscle), the other ROIs were placed in the superficial fat, liver, spleen, pancreas, and muscle. The %SD in Turbo-LAVA (28.1+/-16.8%) was lower than that in LAVA (41.5+/-13.4%). The SNRs in Turbo-LAVA (17.8+/-4.1 [liver], 12.5+/-3.0 [pancreas], 14.7+/-1.6 [spleen], 8.2+/-3.5 [fat]) were lower than those in LAVA (20.9+/-6.1 [liver], 16.8+/-4.1 [pancreas], 17.4+/-2.4 [spleen], 12.0+/-4.5 [fat]). While, the Cliver-fat in the Turbo-LAVA (0.72+/-0.06) was significantly higher than that in LAVA (0.59+/-0.07). Turbo-LAVA sequence offers superior and more homogenous fat-suppression in comparison to LAVA sequence. PMID- 27867174 TI - Operator Dose Measurements and Image Quality Assessment in Computed Tomography Fluoroscopy Using Bismuth Sheet. AB - OBJECTIVE: The purpose of this study was to assess the dose reduction and the image quality using bismuth sheets during the computed tomography fluoroscopy (CTF). MATERIALS AND METHODS: The bismuth sheets of 1-mm thick were put on the upper mylar ring to reduce the frontal X-ray. The dose rates of an operator were measured using a torso phantom in the patient position during the CTF. The torso phantom was set on the gantry rotation center (center) and the lower position from the center (off-center). The image quality of the CTF image was assessed using an original phantom that mimics the normal liver parenchyma and the low attenuation lesions. The image contrast and contrast-to-noise ratio (CNR) were compared with and without the bismuth sheets. RESULTS: The bismuth sheets reduced the dose rate of the operator, regardless of whether the torso phantom was set at the center or the off-center. The reduction rate of exposure at the center and the off-center were 42.3% and 34.5%, respectively. There were no significant differences in the image contrast and the CNR, although the bismuth sheets increased the CT values of the liver parenchyma and the low attenuation lesions. CONCLUSION: The bismuth sheets were effective for the reduction of exposure to the operator without degrading the image quality of CTF images. PMID- 27867175 TI - Understanding the Scatter Radiation Distribution during C-arm CT Examination: A Body Phantom Study. AB - The purpose of this study was to understand the scatter radiation distribution during C-arm CT examination in the interventional radiography (IVR) room to show the escaped area and the radiation protective method. The C-arm rotates 200 degrees in 5 s. The tube voltage was 90 kV, and the entrance dose to the detector was 0.36 MUGy/frame during C-arm CT examination. The scattered doses were measured each 50 cm from the isocenter like a grid pattern. The heights of the measurement were 50, 100, and 150 cm from the floor. The maximum scattered doses were 38.23+/-0.60 MUGy at 50 cm, 43.86+/-0.20 MUGy at 100 cm, and 25.78+/ 0.37 MUGy at 150 cm. The scatter radiation distribution at 100 cm was the highest scattered dose. The operator should protect their reproductive gland, thyroid, and lens. The scattered dose was low behind the C-arm body and the bed, so they will be able to become the escaped area for staff. PMID- 27867173 TI - Evaluation of In Vivo Volumetric Dosimetry for Prostate Cancer Using Electronic Portal Imaging Device. AB - PURPOSE: Volumetric modulated arc therapy (VMAT) is capable of acquiring projection images using electronic portal imaging device (EPID). Commercial EPID based dosimetry software, dosimetry check (DC), allows in vivo dosimetry using projection images. The purpose of this study was to evaluate in vivo dosimetry for prostate cancer using VMAT. METHOD: VMAT plans were generated for eight patients with prostate cancer using treatment planning system (TPS), and patient quality assurances (QAs) were carried out with phantom. We analyzed five plans as phantom study and five plans as patient study. Projection images were acquired during VMAT delivery. DC converted acquired images into fluence images and used a pencil beam algorithm to calculate dose distributions delivered on the CT images of the phantom and the patients. We evaluated isocenter point doses and gamma analysis in both studies and dose indexes of planning target volume (PTV), bladder and rectum in patient study. RESULTS AND DISCUSSION: Dose differences at the isocenter were less than a criterion in both studies. Pass rates of the gamma analysis were less than a criterion by two plans in the phantom study. Dose indexes of reconstructed distribution were lower than original plans and standard deviations of PTV in reconstructed distribution were larger than original plans. The errors were caused by some issues, such as the commissioning of DC, variations in patient anatomy, and patient positioning. CONCLUSION: The method was feasible to non-invasively perform in vivo dose evaluation for prostate cancer using VMAT. PMID- 27867176 TI - Impact of Pelvic Rotational Setup Error on Lymph Nodal Dose in Whole Pelvic IMRT Using Fiducial Markers. AB - PURPOSE: The aim of this study was to investigate the impact of pelvic rotational setup error on lymph nodal dose in the whole pelvic intensity-modulated radiation therapy using the fiducial marker. METHODS: The dose differences of clinical target volume for pelvic lymph node (CTVLN) due to isocenter (IC) shift and pelvic rotation were evaluated using the radiation treatment planning system. The rotated computed tomography (CT) images were created for the simulation of the pelvic rotation. The original CT images were rotated around the IC of the original plan in the pitch and roll directions up to+/-3.0 deg. at 1.0 deg. intervals. As simulated plans, IC positions were shifted in the anterior posterior and superior-inferior directions up to+/-10 mm at 2 mm intervals in the original and rotated CT images, and the dose distributions were calculated. The dose calculation was performed for each CT image while keeping the movement of multi leaf collimator and the monitor unit of the original plan. The differences between D98% of CTVLN in the original plan and simulated plans were calculated. RESULTS: In the posterior direction shifts of 4, 6, 8, and 10 mm, the dose reduction of 0.7, 2.1, 6.1, and 11.9% from the original plan were found for D98% of CTVLN, respectively. The dose reductions due to the rotation of pitch direction were greater than the rotation of roll direction. In the posterior direction shifts of 4, 6, 8, and 10 mm with 3.0 deg. rotation of pitch direction, the dose reduction of 2.2, 6.8, 12.8, and 19.0% from the original plan were found, respectively. CONCLUSION: The dose reduction of CTVLN might be occurred due to the rotational setup error of pitch direction. PMID- 27867177 TI - Image Quality Characteristics of the 3D-parallel Imaging Method (CAIPIRINHA) in Abdominal MRI. AB - This study investigated the image quality using controlled aliasing in parallel imaging results in higher acceleration (CAIPIRINHA) to shorten the imaging time in dynamic abdominal examinations. Comparisons with the conventional generalized autocalibrating partially parallel acquisitions (GRAPPA) method were made by changing the sampling shift in CAIPIRINHA using a 3.0 T MRI. The measurements included the visual evaluation of five stages, the signal-to-noise ratio (SNR), and contrast-to-noise ratio (CNR) in phantom experiments. The visual evaluation (five stages) and SNR were determined using a nickel sulfate bottle phantom attached to the MRI device. Each evaluation was performed on the middle slice of the 3D image. The SNR was compared with the mean region of interest value calculated from five locations within the phantom. The CNR was determined using custommade phantoms that mimic the T1 and T2 values of the liver and spleen. In the results, at reduction factor (Rf) = 6 and 8, the SNR per unit imaging time was reduced with GRAPPA, while there was no decrease in SNR and CNR with CAIPIRINHA. By performing imaging using an appropriate sampling shift, it is possible to acquire an equivalent GRAPPA in a short period of time using CAIPIRINHA. PMID- 27867178 TI - MTF Measurement of MR Blurring in Liver Dynamic MRI with Gd-EOB-DTPA. AB - During the arterial phase acquisition of Gd-EOB-DTPA examinations, use of a small volume of the Gd-EOB-DTPA may make it difficult the encoding center of the k space, and produce blurring. The previous studies revealed the encoding technique of the k-space was one of the most important reasons. However, there is no report to discuss the reasons with quantitative evaluations. The purpose of this study was to quantitatively evaluate the characteristics of the artifacts using different k-space encoding techniques (centric-view ordering (CVO) and sequential view ordering (SVO)) for liver dynamic MRI in computer simulation study. This simulation study consists of the following steps. First of all, the creation of a time intensity curve, and original simulation images at certain points among the one phase dynamic scanning. Secondly, creation-simulated MR echo data from the created original images using FFT, and encoding simulated k-space using the simulated MR echo data. Finally, a reconstruction of simulated dynamic MR images from the simulated k-space, and to evaluate each simulated MR images, we measured modulation transfer functions (MTFs) from the bar patterns of the reconstructed images. The results of the CVO simulation indicated that the bar patterns were blurring compared to the images encoded by the SVO. The results of the SVO simulation indicated that the bar patterns were not enhanced at late scan timings. In addition, the results of MTFs indicated that there was no edge enhancement at all scan timings and both encoding techniques. In conclusion, it is possible to quantitatively evaluate the characteristics of artifacts using MTF, which was measured by the bar patterns, in liver dynamic MRI. PMID- 27867179 TI - Required Work for a Radiology Technologist in IR. PMID- 27867180 TI - Ultrasound Examination of the Abdomen. PMID- 27867181 TI - IMDRF/DITTA Activity for Harmonization and Convergence of Medical Device Regulations. PMID- 27867182 TI - To Support Safety and High Quality Medical Service from the Aspect of the Radiation Technology. PMID- 27867183 TI - Serum Calcium and Risk of Nonmedullary Thyroid Cancer in Patients with Primary Hyperparathyroidism. AB - BACKGROUND Clinical cases of nonmedullary thyroid carcinoma (NMTC) in combination with primary hyperparathyroidism (PHPT) have been reported occasionally. However, the clinical characteristics and risk factors of concomitant NMTC in PHPT patients remain unclear. This study aimed to assess the association between PHPT and NMTC, and evaluate the clinical characteristics and risk factors of NMTC in Chinese patients with PHPT. MATERIAL AND METHODS This was a retrospective cohort analysis. We reviewed the medical records of 155 patients who underwent surgery for PHPT in two large medical centers in China between 2009 and 2014. The clinical manifestations, biochemical abnormalities, and histological characteristics of PHPT patients were analyzed. RESULTS Of the 155 patients with PHPT, 58 patients (37.4%) had thyroid nodules and 12 patients (7.7%) were ill with concomitant NMTC. PHPT patients with NMTC demonstrated significantly lower preoperative serum calcium levels compared to PHPT patients with benign thyroid nodules (p<0.05). A significantly negative association between preoperative serum calcium levels and the presence of NMTC was found in PHPT patients (p<0.05). Furthermore, ROC analysis revealed that albumin-corrected serum calcium levels <2.67 mmol/L had good capacity to differentiate the PHPT patients with NMTC from those with benign thyroid nodules. CONCLUSIONS Compared with the reported much lower prevalence of thyroid carcinoma in the general population, our results suggest that PHPT might be a risk factor for the malignancy of thyroid nodules; a lower level of serum calcium may predict the existence of NMTC in PHPT patients with thyroid nodules. PMID- 27867184 TI - A Rare Case of Tubulointerstitial Nephritis and Uveitis Syndrome Treated with a Multi-Specialty Approach. AB - BACKGROUND It is important for an ophthalmologist and nephrologist to look for hidden causes of uveitis and nephritis, respectively. Delay in diagnosis leads to increased morbidity and failure to systemically manage the patient results in future recurrence of disease. It is likely that TINU remains underdiagnosed and could potentially account for some of the cases of idiopathic uveitis, especially when greater than 50% of uveitis cases have no identifiable cause. Fewer than 300 cases of tubulointerstitial nephritis and uveitis (TINU) syndrome have been reported. In TINU syndrome, inflammation affects the renal tubules, interstitial tissue, and uveal tract. Its pathogenesis remains poorly understood. CASE REPORT We report a rare case of TINU syndrome in a 23-year-old female who was treated using a multispecialty approach. Her primary care physician diagnosed her with proteinuria and acute kidney injury and referred her to the nephrologist, who later referred her to the ophthalmologist. A left kidney biopsy confirmed acute interstitial nephritis. Following the discovery of a "pink eye", the patient was referred to ophthalmology and diagnosed with anterior uveitis, confirming TINU syndrome. Without the additional findings of uveitis, the diagnosis would have been missed. Resolution was obtained through steroid therapy. CONCLUSIONS Correctly diagnosing TINU syndrome requires a multispecialty approach and may not be obvious upon initial presentation. Therefore, the ophthalmologist needs to consider TINU in the differential diagnosis for a patient with bilateral uveitis and evaluate a urinalysis for proteinuria as part of the work up. PMID- 27867185 TI - Absorption mechanism of DHP107, an oral paclitaxel formulation that forms a hydrated lipidic sponge phase. AB - Paclitaxel is a most widely used anticancer drug with low oral bioavailability, thus it is currently administered via intravenous infusion. DHP107 is a lipid based paclitaxel formulation that can be administered as an oral solution. In this study, we investigated the mechanism of paclitaxel absorption after oral administration of DHP107 in mice and rats by changing the dosing interval, and evaluated the influence of bile excretion. DHP107 was orally administered to mice at various dosing intervals (2, 4, 8, 12, 24 h) to examine how residual DHP107 affected paclitaxel absorption during subsequent administration. Studies with small-angle X-ray diffraction (SAXS) and cryo-transmission electron microscopy (cryo-TEM) showed that DHP107 formed a lipidic sponge phase after hydration. The AUC values after the second dose were smaller than those after the first dose, which was correlated to the induction of expression of P-gp and CYP in the livers and small intestines from 2 h to 7 d after the first dose. The smaller AUC value observed after the second dose was also attributed to the intestinal adhesion of residual formulation. The adhered DHP107 may have been removed by ingested food, thus resulting in a higher AUC. In ex vivo and in vivo mucoadhesion studies, the formulation adhered to the villi for up to 24 h, and the amount of DHP107 that adhered was approximately half that of monoolein. The paclitaxel absorption after administration of DHP107 was not affected by bile in the cholecystectomy mice. The dosing interval and food intake affect the oral absorption of paclitaxel from DHP107, which forms a mucoadhesive sponge phase after hydration. Bile excretion does not affect the absorption of paclitaxel from DHP107 in vivo. PMID- 27867186 TI - Shenmai injection enhances the cytotoxicity of chemotherapeutic drugs against colorectal cancers via improving their subcellular distribution. AB - Shenmai injection (SMI) is a Chinese patent-protected injection, which was mainly made of Red Ginseng and Radix Ophiopogonis and widely used for treating coronary heart disease and tumors by boosting Qi and nourishing Yin. In this study we examined whether SMI could produce direct synergetic effects on the cytoxicity of adriamycin (ADR) and paclitaxel (PTX) in colorectal cancers in vivo and in vitro, and explored the underlying pharmacokinetic mechanisms. BALB/c nude mice with LoVo colon cancer xenografts were intraperitoneally injected with ADR (2 mg.kg 1.3d-1) or PTX (7.5 mg.kg-1.3d-1) with or without SMI (0.01 mL.g-1.d-1) for 13 d. Co-administration of SMI significantly enhanced the chemotherapeutic efficacy of ADR and PTX, whereas administration of SMI alone at the given dosage did not produce visible anti-cancer effects, The chemosensitizing action of SMI was associated with increased concentrations of ADR and PTX in the plasma and tumors. In Caco-2 and LoVo cells in vitro, co-treatment with SMI (2 MUL/mL) significantly enhanced the cytotoxicity of ADR and PTX, and resulted in some favorable pharmacokinetic changes in the subcellular distribution of ADR and PTX. In addition, SMI-induced intracellular accumulation of ADR was closely correlated with the increased expression levels of P-glycoprotein in 4 colon cancer cell lines (r2=+0.8558). SMI enhances the anti-cancer effects of ADR and PTX in colon cancers in vivo and in vitro by improving the subcellular distributions of ADR and PTX. PMID- 27867187 TI - Crosstalk of ROS/RNS and autophagy in silibinin-induced apoptosis of MCF-7 human breast cancer cells in vitro. AB - Reactive oxygen species (ROS) and reactive nitrogen species (RNS) play important roles in regulating cell survival and death. Silibinin is a natural polyphenolic flavonoid isolated from milk thistle with anti-tumor activities, but it was found to induce cytoprotective ROS/RNS in human breast cancer MCF-7 cells. Furthermore, treatment with silibinin down-regulates ERalpha expression in MCF-7 cells, and inducing both autophagy and apoptosis. In this study we explored the relationship between ER-associated pathways and RNS/ROS in MCF-7 cells. We also investigated the molecular mechanisms underlying the reciprocal regulation between ROS/RNS levels and autophagy in the death signaling pathways in silibinin-treated MCF-7 cells. Silibinin (100-300 MUmol/L) dose-dependently increased ROS/RNS generation in MCF-7 cells (with high expression of ERalpha and low expression of ERbeta) and MDA-MB-231 cells (with low expression of ERalpha and high expression of ERbeta). Scavenging ROS/RNS significantly enhanced silibinin-induced death of MCF-7 cells, but not MDA-MB231 cells. Pharmacological activation or blockade of ERalpha in MCF 7 cells significantly enhanced or decreased, respectively, silibinin-induced ROS/RNS generation, whereas activation or block of ERbeta had no effect. In silibinin-treated MCF-7 cells, exposure to the ROS/RNS donators decreased the autophagic levels, whereas inhibition of autophagy with 3-MA significantly increased ROS/RNS levels. We further showed that increases in ROS/RNS generation, ERalpha activation or autophagy down-regulation had protective roles in silibinin treated MCF-7 cells. Under a condition of ERalpha activation, scavenging ROS/RNS or stimulating autophagy enhanced the cytotoxicity of silibinin. These results demonstrate the existence of two conflicting pathways in silibinin-induced death of MCF-7 cells: one involves the down-regulation of ERalpha and thereby augmenting the pro-apoptotic autophagy downstream, leading to cell death; the other involves the up-regulation of pro-survival ROS/RNS; and that the generation of ROS/RNS and autophagy form a negative feedback loop whose balance is regulated by ERalpha. PMID- 27867188 TI - A historic study that opened a new chapter in nutritional science. PMID- 27867190 TI - Hypertension: Microbiota under pressure. PMID- 27867191 TI - Sepsis: Preventing organ failure in sepsis - the search continues. PMID- 27867192 TI - DNA repair: RNA-DNA hybrids: double-edged swords. PMID- 27867189 TI - The role of phosphate in kidney disease. AB - The importance of phosphate homeostasis in chronic kidney disease (CKD) has been recognized for decades, but novel insights - which are frequently relevant to everyday clinical practice - continue to emerge. Epidemiological data consistently indicate an association between hyperphosphataemia and poor clinical outcomes. Moreover, compelling evidence suggests direct toxicity of increased phosphate concentrations. Importantly, serum phosphate concentration has a circadian rhythm that must be considered when interpreting patient phosphate levels. Detailed understanding of dietary sources of phosphate, including food additives, can enable phosphate restriction without risking protein malnutrition. Dietary counselling provides an often underestimated opportunity to target the increasing exposure to dietary phosphate of both the general population and patients with CKD. In patients with secondary hyperparathyroidism, bone can be an important source of serum phosphate, and adequate appreciation of this fact should impact treatment. Dietary and pharmotherapeutic interventions are efficacious strategies to lower phosphate intake and serum concentration. However, strong evidence that targeting serum phosphate improves patient outcomes is currently lacking. Future studies are, therefore, required to investigate the effects of modern dietary and pharmacological interventions on clinically meaningful end points. PMID- 27867193 TI - From profiles to function in epigenomics. AB - Myriads of epigenomic features have been comprehensively profiled in health and disease across cell types, tissues and individuals. Although current epigenomic approaches can infer function for chromatin marks through correlation, it remains challenging to establish which marks actually have causative roles in gene regulation and other processes. After revisiting how classical approaches have addressed this question in the past, we discuss the current state of epigenomic profiling and how functional information can be indirectly inferred. We also present new approaches that promise definitive functional answers, which are collectively referred to as 'epigenome editing'. In particular, we explore CRISPR based technologies for single-locus and multi-locus manipulation. Finally, we discuss which level of function can be achieved with each approach and introduce emerging strategies for high-throughput progression from profiles to function. PMID- 27867196 TI - Extracellular ADP facilitates monocyte recruitment in bacterial infection via ERK signaling. AB - As the most prominent clinical drug targets for the inhibition of platelet aggregation, P2Y12 and P2Y13 have been found to be highly expressed in both platelets and macrophages. However, the roles and function of P2Y12/13 in the regulation of macrophage-mediated innate immune responses remain unclear. Here, we demonstrate that adenosine 5'-diphosphate (ADP), the endogenous ligand of P2Y1, P2Y12 and P2Y13, was released both in E. coli-infected mice and from macrophages treated with either lipopolysaccharide (LPS) or Pam3CSK4. Furthermore, the expression of P2Y13 was clearly increased in both LPS-treated macrophages and tuberculosis patients. ADP protected mice from E. coli 0111 induced peritonitis by recruiting more macrophages to the infected sites. Consistent with this, ADP and ADP-treated cell culture medium attracted more macrophages in the transwell assay by enhancing the expression of MCP-1. Nevertheless, P2Y1 is dispensable for ADP-mediated protection against bacterial infection. However, either P2Y12/P2Y13 deficiency or blocking the downstream signaling of P2Y12/P2Y13 blocked the ADP-mediated immune response and allowed more bacteria to persist in the infected mice. Furthermore, extracellular signal regulated kinase (ERK) phosphorylation was clearly increased by ADP, and this type of activation could be blocked by either forskolin or analogs of cyclic AMP (cAMP) (for example, 8-bromo-cAMP). Accordingly, ADP-induced MCP-1 production and protection against bacterial infection could also be reduced by U0126, forskolin and 8-bromo-cAMP. Overall, our study reveals a relationship between danger signals and innate immune responses, which suggests the potential therapeutic significance of ADP-mediated purinergic signaling in infectious diseases. PMID- 27867194 TI - Regulatory activities of transposable elements: from conflicts to benefits. AB - Transposable elements (TEs) are a prolific source of tightly regulated, biochemically active non-coding elements, such as transcription factor-binding sites and non-coding RNAs. Many recent studies reinvigorate the idea that these elements are pervasively co-opted for the regulation of host genes. We argue that the inherent genetic properties of TEs and the conflicting relationships with their hosts facilitate their recruitment for regulatory functions in diverse genomes. We review recent findings supporting the long-standing hypothesis that the waves of TE invasions endured by organisms for eons have catalysed the evolution of gene-regulatory networks. We also discuss the challenges of dissecting and interpreting the phenotypic effect of regulatory activities encoded by TEs in health and disease. PMID- 27867197 TI - p38alpha has an important role in antigen cross-presentation by dendritic cells. AB - The role of the p38 signaling pathway in the innate and adaptive immune responses has been well documented, especially in inflammatory cytokine production by dendritic cells (DCs). However, whether the p38 signaling pathway affects the important antigen (Ag) presentation function of DCs remains largely unknown. In this study, we reported that the deletion of p38alpha resulted in an impaired cross-presentation ability of CD8+ conventional DCs (cDCs) and a reduction in the direct presentation ability of CD8- cDCs ex vivo. Further study revealed that p38alpha had a crucial role in Ag processing by CD8+ cDCs but did not affect the Ag uptake or co-stimulation of T cells. Moreover, p38alpha deficiency led to reduced cross-priming of T cells in vivo. The production of the IL-12p40 and IL 12p70 cytokines by p38alpha-deficient cDCs was also significantly reduced. Our study identified a new role for p38alpha in modulating the important antigen cross-presentation function of DCs. PMID- 27867195 TI - Order from clutter: selective interactions at mammalian replication origins. AB - Mammalian chromosome duplication progresses in a precise order and is subject to constraints that are often relaxed in developmental disorders and malignancies. Molecular information about the regulation of DNA replication at the chromatin level is lacking because protein complexes that initiate replication seem to bind chromatin indiscriminately. High-throughput sequencing and mathematical modelling have yielded detailed genome-wide replication initiation maps. Combining these maps and models with functional genetic analyses suggests that distinct DNA protein interactions at subgroups of replication initiation sites (replication origins) modulate the ubiquitous replication machinery and supports an emerging model that delineates how indiscriminate DNA-binding patterns translate into a consistent, organized replication programme. PMID- 27867200 TI - Antifungals: Uncovering new drugs and targets. PMID- 27867198 TI - Probing the evolution, ecology and physiology of marine protists using transcriptomics. AB - Protists, which are single-celled eukaryotes, critically influence the ecology and chemistry of marine ecosystems, but genome-based studies of these organisms have lagged behind those of other microorganisms. However, recent transcriptomic studies of cultured species, complemented by meta-omics analyses of natural communities, have increased the amount of genetic information available for poorly represented branches on the tree of eukaryotic life. This information is providing insights into the adaptations and interactions between protists and other microorganisms and macroorganisms, but many of the genes sequenced show no similarity to sequences currently available in public databases. A better understanding of these newly discovered genes will lead to a deeper appreciation of the functional diversity and metabolic processes in the ocean. In this Review, we summarize recent developments in our understanding of the ecology, physiology and evolution of protists, derived from transcriptomic studies of cultured strains and natural communities, and discuss how these novel large-scale genetic datasets will be used in the future. PMID- 27867201 TI - Does body mass index modify the association between physical activity and screen time with cardiometabolic risk factors in adolescents? Findings from a country wide survey. AB - BACKGROUND: Moderate and vigorous physical activity (MVPA) and screen time (ST) have been associated with cardiometabolic health in youth. However, previous studies are conflicting whether these associations are independent of each other and it is unknown if they are modified by adiposity. We aimed to examine the independent and joint associations between MVPA and ST with cardiometabolic risk across body mass index (BMI) categories. METHODS: A total of 36 956 Brazilian adolescents (12-17 years) from the Study of Cardiovascular Risks in Adolescents were included. Information on time spent in MVPA and ST were assessed by self reports. Blood pressure, Homeostasis Model Assessment of Insulin Resistance, triglycerides, high-density lipoprotein-cholesterol and waist circumference were used to calculate a cardiometabolic risk score (sex-age-specific top-risk quintile for each biomarker). Ordered logistic regression was used to examine the associations. RESULTS: In final adjusted models, both higher MVPA (proportional odds ratio (POR)=0.80; 95% confidence interval (CI): 0.67-0.95) and ST (POR=1.23; 95% CI: 1.10-1.37) were independently associated with cardiometabolic risk. After stratification by normal weight vs overweight/obese, the inverse independent association for MVPA remained unchanged, whereas ST was positively associated with cardiometabolic risk only in overweight/obese adolescents (POR=1.62; 95% CI: 1.18-2.22). Participants who met the recommendations for both MVPA and ST had lower odds for cardiometabolic risk, especially if they were overweight/obese (POR=0.46; 95% CI: 0.31-0.68). CONCLUSIONS: MVPA and ST are independently associated with cardiometabolic risk; the association with ST, however, appears modified by BMI. Normal-weight adolescents should be encouraged to increase MVPA, whereas a combination of increasing MVPA and decreasing ST is recommended in those who are overweight or obese. PMID- 27867199 TI - Candida albicans cell-type switching and functional plasticity in the mammalian host. AB - Candida albicans is a ubiquitous commensal of the mammalian microbiome and the most prevalent fungal pathogen of humans. A cell-type transition between yeast and hyphal morphologies in C. albicans was thought to underlie much of the variation in virulence observed in different host tissues. However, novel yeast like cell morphotypes, including opaque(a/alpha), grey and gastrointestinally induced transition (GUT) cell types, were recently reported that exhibit marked differences in vitro and in animal models of commensalism and disease. In this Review, we explore the characteristics of the classic cell types - yeast, hyphae, pseudohyphae and chlamydospores - as well as the newly identified yeast-like morphotypes. We highlight emerging knowledge about the associations of these different morphotypes with different host niches and virulence potential, as well as the environmental cues and signalling pathways that are involved in the morphological transitions. PMID- 27867203 TI - Epac2a-null mice exhibit obesity-prone nature more susceptible to leptin resistance. AB - BACKGROUND: The exchange protein directly activated by cAMP (Epac), which is primarily involved in cAMP signaling, has been known to be essential for controlling body energy metabolism. Epac has two isoforms: Epac1 and Epac2. The function of Epac1 on obesity was unveiled using Epac1 knockout (KO) mice. However, the role of Epac2 in obesity remains unclear. METHODS: To evaluate the role of Epac2 in obesity, we used Epac2a KO mice, which is dominantly expressed in neurons and endocrine tissues. Physiological factors related to obesity were analyzed: body weight, fat mass, food intake, plasma leptin and adiponectin levels, energy expenditure, glucose tolerance, and insulin and leptin resistance. To determine the mechanism of Epac2a, mice received exogenous leptin and then hypothalamic leptin signaling was analyzed. RESULTS: Epac2a KO mice appeared to have normal glucose tolerance and insulin sensitivity until 12 weeks of age, but an early onset increase of plasma leptin levels and decrease of plasma adiponectin levels compared with wild-type mice. Acute leptin injection revealed impaired hypothalamic leptin signaling in KO mice. Consistently, KO mice fed a high-fat diet (HFD) were significantly obese, presenting greater food intake and lower energy expenditure. HFD-fed KO mice were also characterized by greater impairment of hypothalamic leptin signaling and by weaker leptin-induced decrease in food consumption compared with HFD-fed wild-type mice. In wild-type mice, acute exogenous leptin injection or chronic HFD feeding tended to induce hypothalamic Epac2a expression. CONCLUSIONS: Considering that HFD is an inducer of hypothalamic leptin resistance and that Epac2a functions in pancreatic beta cells during demands of greater work load, hypothalamic Epac2a may have a role in facilitating leptin signaling, at least in response to higher metabolic demands. Thus, our data indicate that Epac2a is critical for preventing obesity and thus Epac2a activators may be used to manage obesity and obesity-mediated metabolic disorders. PMID- 27867202 TI - Generalization and fine mapping of European ancestry-based central adiposity variants in African ancestry populations. AB - BACKGROUND/OBJECTIVES: Central adiposity measures such as waist circumference (WC) and waist-to-hip ratio (WHR) are associated with cardiometabolic disorders independently of body mass index (BMI) and are gaining clinically utility. Several studies report genetic variants associated with central adiposity, but most utilize only European ancestry populations. Understanding whether the genetic associations discovered among mainly European descendants are shared with African ancestry populations will help elucidate the biological underpinnings of abdominal fat deposition. SUBJECTS/METHODS: To identify the underlying functional genetic determinants of body fat distribution, we conducted an array-wide association meta-analysis among persons of African ancestry across seven studies/consortia participating in the Population Architecture using Genomics and Epidemiology (PAGE) consortium. We used the Metabochip array, designed for fine mapping cardiovascular-associated loci, to explore novel array-wide associations with WC and WHR among 15 945 African descendants using all and sex-stratified groups. We further interrogated 17 known WHR regions for African ancestry specific variants. RESULTS: Of the 17 WHR loci, eight single-nucleotide polymorphisms (SNPs) located in four loci were replicated in the sex-combined or sex-stratified meta-analyses. Two of these eight independently associated with WHR after conditioning on the known variant in European descendants (rs12096179 in TBX15-WARS2 and rs2059092 in ADAMTS9). In the fine-mapping assessment, the putative functional region was reduced across all four loci but to varying degrees (average 40% drop in number of putative SNPs and 20% drop in genomic region). Similar to previous studies, the significant SNPs in the female stratified analysis were stronger than the significant SNPs from the sex-combined analysis. No novel associations were detected in the array-wide analyses. CONCLUSIONS: Of 17 previously identified loci, four loci replicated in the African ancestry populations of this study. Utilizing different linkage disequilibrium patterns observed between European and African ancestries, we narrowed the suggestive region containing causative variants for all four loci. PMID- 27867206 TI - Structural Effects in the Recognition of DNA by Circular Oligonucleotides. AB - It was recently reported that certain pyrimidine-rich circular DNA oligomers can bind strongly and specifically to purine-rich DNA or RNA strands by forming bimolecular triple helical complexes.1-3 In this study are investigated the effects of structural variations on the strength of binding for this new class of nucleotide-binding ligand. The number of loop nucleotides (nt) which is optimum for bridging the two binding domains of a circle is examined. Comparing loop sizes of 3, 4, 5, 6, and 10 nt, the optimum number of nucleotides in a loop is found to be five for the sequences studied. In order to test the method of construction and the ability of these compounds to bind sites of varied length, we attempted to synthesize circles of varied size. Circles over the size range 24 46 nt were successfully constructed. Varying the target site length shows that oligomers of four, eight, twelve, and eighteen nucleotides can be complexed strongly by circles, with melting temperatures (Tm) 17 degrees to >33 degrees C higher at pH 7.0 than the corresponding Watson-Crick duplexes of the same length. Also studied is the effect of the covalently closed circular structure in comparison to linear oligomers having the same sequence; it is shown that a covalently closed circle has considerably higher binding affinity than do three different "nicked" circles (linear oligomers) which contain the same bases. The high binding affinities of these circles are thus attributed to the entropic benefit of preorganization. Finally, the ability of such circles to bind to complementary sites within longer oligomers, the ends of which must pass beyond the loops of a circle, is confirmed by melting studies with synthetic target strands 36 bases in length. PMID- 27867204 TI - A brief intervention for weight control based on habit-formation theory delivered through primary care: results from a randomised controlled trial. AB - BACKGROUND: Primary care is the 'first port of call' for weight control advice, creating a need for simple, effective interventions that can be delivered without specialist skills. Ten Top Tips (10TT) is a leaflet based on habit-formation theory that could fill this gap. The aim of the current study was to test the hypothesis that 10TT can achieve significantly greater weight loss over 3 months than 'usual care'. METHODS: A two-arm, individually randomised, controlled trial in primary care. Adults with obesity were identified from 14 primary care providers across England. Patients were randomised to either 10TT or 'usual care' and followed up at 3, 6, 12, 18 and 24 months. The primary outcome was weight loss at 3 months, assessed by a health professional blinded to group allocation. Difference between arms was assessed using a mixed-effect linear model taking into account the health professionals delivering 10TT, and adjusted for baseline weight. Secondary outcomes included body mass index, waist circumference, the number achieving a 5% weight reduction, clinical markers for potential comorbidities, weight loss over 24 months and basic costs. RESULTS: Five-hundred and thirty-seven participants were randomised to 10TT (n=267) or to 'usual care' (n=270). Data were available for 389 (72%) participants at 3 months and for 312 (58%) at 24 months. Participants receiving 10TT lost significantly more weight over 3 months than those receiving usual care (mean difference =-0.87kg; 95% confidence interval: -1.47 to -0.27; P=0.004). At 24 months, the 10TT group had maintained their weight loss, but the 'usual care' group had lost a similar amount. The basic cost of 10TT was low, that is, around L23 ($32) per participant. CONCLUSIONS: The 10TT leaflet delivered through primary care is effective in the short-term and a low-cost option over the longer term. It is the first habit-based intervention to be used in a health service setting and offers a low-intensity alternative to 'usual care'. PMID- 27867205 TI - Interactive effects of obesity and physical fitness on risk of ischemic heart disease. AB - BACKGROUND/OBJECTIVES: Obesity and low physical fitness are known risk factors for ischemic heart disease (IHD), but their interactive effects are unclear. Elucidation of interactions between these common, modifiable risk factors may help inform more effective preventive strategies. We examined interactive effects of obesity, aerobic fitness and muscular strength in late adolescence on risk of IHD in adulthood in a large national cohort. SUBJECTS/METHODS: We conducted a national cohort study of all 1 547 407 military conscripts in Sweden during 1969 1997 (97-98% of all 18-year-old males each year). Aerobic fitness, muscular strength and body mass index (BMI) measurements were examined in relation to IHD identified from outpatient and inpatient diagnoses through 2012 (maximum age 62 years). RESULTS: There were 38 142 men diagnosed with IHD in 39.7 million person years of follow-up. High BMI or low aerobic fitness (but not muscular strength) was associated with higher risk of IHD, adjusting for family history and socioeconomic factors. The combination of high BMI (overweight/obese vs normal) and low aerobic fitness (lowest vs highest tertile) was associated with highest IHD risk (incidence rate ratio, 3.11; 95% confidence interval (CI), 2.91-3.31; P<0.001). These exposures had no additive and a negative multiplicative interaction (that is, their combined effect was less than the product of their separate effects). Low aerobic fitness was a strong risk factor even among those with normal BMI. CONCLUSIONS: In this large cohort study, low aerobic fitness or high BMI at age 18 was associated with higher risk of IHD in adulthood, with a negative multiplicative interaction. Low aerobic fitness appeared to account for a similar number of IHD cases among those with normal vs high BMI (that is, no additive interaction). These findings suggest that interventions to prevent IHD should begin early in life and include not only weight control but aerobic fitness, even among persons of normal weight. PMID- 27867207 TI - Purification of Bioactive Lipopeptides Produced by Bacillus subtilis Strain BIA. AB - Bacillus subtilis strain BIA was used for the production of bioactive lipopeptides. Different extraction and purification methods were assayed as liquid-liquid extraction, and acid and ammonium sulfate precipitation followed by TLC, SPE, and gel filtration. Active fractions were further purified using RP HPLC. The molecular mass of the purified product from HPLC was determined through Tris-Tricine SDS-PAGE and MALDI-TOF-MS. The results revealed that Bacillus subtilis strain BIA produced surfactin and iturin like compounds. Coproduction of surfactin and iturin like compounds by this strain is a remarkable trait for a potential biocontrol agent. This paper also includeds techniques that have been developed for the optimal and convenient extraction of bioactive lipopeptides from microbial origin. PMID- 27867208 TI - ANTIBIOTIC SUSCEPTIBILITY OF ORGANISMS CAUSING URINARY TRACT INFECTION IN PATIENTS PRESENTING AT KENYATTA NATIONAL HOSPITAL, NAIROBI. AB - BACKGROUND: Changes in susceptibility patterns of bacterial pathogens isolated from urinary tract infections emphasize the need for regional surveillance to generate information that can be used in management of patients. Knowledge on the current status of antimicrobial resistance in uropathogens, and the prevalence of expanding spectrum beta-lactamases (ESBLs) in the isolates will guide policy formulations and encourage prudent use of antimicrobials. OBJECTIVE: Identify bacterial pathogens causing UTI and determine the association between the pathogens isolated from patients attending KNH. Determine antimicrobial susceptibility patterns of the UTI pathogens and the prevalence of ESBL in the isolated pathogens. DESIGN: Laboratory-based study. SETTING: Department of Medical Microbiology University of Nairobi and Kenyatta National Hospital microbiology laboratory, Nairobi, Kenya. SUBJECTS: Nine hundred and forty eight patients presenting directly to the Kenyatta National Hospital's diagnostic lab. Patients were only classified as in-patients if at the time of specimen collection they were being admitted to one of KNH wards. RESULTS: Out of the 948 urine samples processed, 189 in-patients and 37 out-patients samples had significant bacterial growth. The uropathogens identified from in-patient specimens were Escherichia coli (56), Klebsiellapneumoniae (33), Enterococcus spp. (34) and Entrobacter (16) making up 30%, 18%, 18% and 9% respectively. ESBL isolates were found to be resistant to the locally administered antibiotics; Augmentin (37%), Levofloxacin (37%), Cefoperazone (37%), Ampicillin (39%), Doxycyline (41%), Gentamicin (30%) and Nalidixic Acid (38%). CONCLUSION: The increased prevalence of multidrug resistant ESBL pathogens poses challenges for health care providers at KNH and signifies the need for new approach to treat UTI. It would be prudent for laboratories to include specialized tests for detection of ESBL producing pathogens from isolates obtained from in-patients. Further studies on the mechanisms and pathways utilized by these bacteria to cause UTI will highlight other avenues in patient management. PMID- 27867209 TI - Adsorption and desorption of arsenic to aquifer sediment on the Red River floodplain at Nam Du, Vietnam. AB - The adsorption of arsenic onto aquifer sediment from the Red River floodplain, Vietnam, was determined in a series of batch experiments. Due to water supply pumping, river water infiltrates into the aquifer at the field site and has leached the uppermost aquifer sediments. The leached sediments, remain anoxic but contain little reactive arsenic and iron, and are used in our experiments. The adsorption and desorption experiments were carried out by addition or removal of arsenic from the aqueous phase in sediment suspensions under strictly anoxic conditions. Also the effects of HCO3, Fe(II), PO4 and Si on arsenic adsorption were explored. The results show much stronger adsorption of As(V) as compared to As(III), full reversibility for As(III) adsorption and less so for As(V). The presence or absence of HCO3 did not influence arsenic adsorption. Fe(II) enhanced As(V) sorption but did not influence the adsorption of As(III) in any way. During simultaneous adsorption of As(III) and Fe(II), As(III) was found to be fully desorbable while Fe(II) was completely irreversibly adsorbed and clearly the two sorption processes are uncoupled. Phosphate was the only solute that significantly could displace As(III) from the sediment surface. Compiling literature data on arsenic adsorption to aquifer sediment in Vietnam and Bangladesh revealed As(III) isotherms to be almost identical regardless of the nature of the sediment or the site of sampling. In contrast, there was a large variation in As(V) adsorption isotherms between studies. A tentative conclusion is that As(III) and As(V) are not adsorbing onto the same sediment surface sites. The adsorption behavior of arsenic onto aquifer sediments and synthetic Fe-oxides is compared. Particularly, the much stronger adsorption of As(V) than of As(III) onto Red River as well as on most Bangladesh aquifer sediments, indicates that the perception that arsenic, phosphate and other species compete for the same surface sites of iron oxides in sediments with properties similar to those of, for example a synthetic goethite, probably is not correct. A simple two-component Langmuir adsorption model was constructed to quantitatively describe the reactive transport of As(III) and PO4 in the aquifer. PMID- 27867210 TI - A model for the evolution in water chemistry of an arsenic contaminated aquifer over the last 6000 years, Red River floodplain, Vietnam. AB - Aquifers on the Red River flood plain with burial ages ranging from 500 to 6000 years show, with increasing age, the following changes in solute concentrations; a decrease in arsenic, increase in Fe(II) and decreases in both pH, Ca and bicarbonate. These changes were interpreted in terms of a reaction network comprising the kinetics of organic carbon degradation, the reduction kinetics of As containing Fe-oxides, the sorption of arsenic, the kinetics of siderite precipitation and dissolution, as well as of the dissolution of CaCO3. The arsenic released from the Fe-oxide is preferentially partitioned into the water phase, and partially sorbed, while the released Fe(II) is precipitated as siderite. The reaction network involved in arsenic mobilization was analyzed by 1 D reactive transport modeling. The results reveal complex interactions between the kinetics of organic matter degradation and the kinetics and thermodynamic energy released by Fe-oxide reduction. The energy released by Fe-oxide reduction is strongly pH dependent and both methanogenesis and carbonate precipitation and dissolution have important influences on the pH. Overall it is the rate of organic carbon degradation that determines the total electron flow. However, the kinetics of Fe-oxide reduction determines the distribution of this flow of electrons between methanogenesis, which is by far the main pathway, and Fe-oxide reduction. Modeling the groundwater arsenic content over a 6000 year period in a 20 m thick aquifer shows an increase in As during the first 1200 years where it reaches a maximum of about 600 MUg/L. During this initial period the release of arsenic from Fe-oxides actually decreases but the adsorption of arsenic onto the sediment delays the build-up in the groundwater arsenic concentration. After 1200 years the groundwater arsenic content slowly decreases controlled both by desorption and continued further, but diminishing, release from Fe-oxide being reduced. After 6000 years the arsenic content has decreased to 33 MUg/L. The modeling enables a quantitative description of how the aquifer properties, the reactivity of organic carbon and Fe-oxides, the number of sorption sites and the buffering mechanisms change over a 6000 year period and how the combined effect of these interacting processes controls the groundwater arsenic content. PMID- 27867211 TI - Teaching tools to engage Anishinaabek First Nations women in cervical cancer screening: Report of an educational workshop. AB - OBJECTIVE: To explore educational strategies for engaging First Nations women in Canada to attend cervical cancer screening. DESIGN: Within a participatory action research framework, semi-structured interviews with health-care providers in First Nations communities revealed that education about the value of screening is perceived as being a key factor to promote cervical cancer screening. SETTING: To obtain feedback from workshop informants, a 1-day educational workshop was held to identify appropriate educational intervention strategies, which would be applied in a forthcoming randomised controlled cervical screening trial. METHODS: Common discussion and discussion groups, which were facilitated by a First Nations workshop moderator and a note taker. RESULTS: This workshop helped to strengthen the ethical space dialogue with the First Nations communities with whom the study team had established research partnerships. The workshop atmosphere was relaxed and the invited informants decided that an educational health promotion event for community women needed to be held prior to inviting them to the cervical screening trial. Such an event would provide an opportunity to communicate the importance of attending regular cervical screening allowing women to make informed decisions about screening participation. Complementary promotional items, including an eye-catching pamphlet and storytelling, were also suggested. CONCLUSION: The key messages from the events and promotional items can help to destigmatise women who develop a type of cancer that is caused by a sexually transmitted virus that affects both men and women. Developing and implementing positive health education that respectfully depicts female bodies, sexuality and health behaviours through a First Nations lens is strongly warranted. PMID- 27867213 TI - Screening for a Chronic Disease: A Multiple Stage Duration Model with Partial Observability. AB - We estimate a dynamic multi-stage duration model to investigate how early detection of diabetes can delay the onset of lower extremity complications and death. We allow for partial observability of the disease stage, unmeasured heterogeneity, and endogenous timing of diabetes screening. Timely diagnosis appears important. We evaluate the effectiveness of two potential policies to reduce the monetary costs of frequent screening in terms of lost longevity. Compared to the status quo, the more restrictive policy yields an implicit value for an additional year of life of about $50,000, while the less restrictive policy implies a value of about $120,000. PMID- 27867212 TI - Adaptive Angular Sampling for SPECT Imaging. AB - This paper presents an analytical approach for performing adaptive angular sampling in single photon emission computed tomography (SPECT) imaging. It allows for a rapid determination of the optimum sampling strategy that minimizes image variance in regions-of-interest (ROIs). The proposed method consists of three key components: (a) a set of close-form equations for evaluating image variance and resolution attainable with a given sampling strategy, (b) a gradient-based algorithm for searching through the parameter space to find the optimum sampling strategy and (c) an efficient computation approach for speeding up the search process. In this paper, we have demonstrated the use of the proposed analytical approach with a single-head SPECT system for finding the optimum distribution of imaging time across all possible sampling angles. Compared to the conventional uniform angular sampling approach, adaptive angular sampling allows the camera to spend larger fractions of imaging time at angles that are more efficient in acquiring useful imaging information. This leads to a significantly lowered image variance. In general, the analytical approach developed in this study could be used with many nuclear imaging systems (such as SPECT, PET and X-ray CT) equipped with adaptive hardware. This strategy could provide an optimized sampling efficiency and therefore an improved image quality. PMID- 27867214 TI - Immersive virtual reality in computational chemistry: Applications to the analysis of QM and MM data. AB - The role of Virtual Reality (VR) tools in molecular sciences is analyzed in this contribution through the presentation of the Caffeine software to the quantum chemistry community. Caffeine, developed at Scuola Normale Superiore, is specifically tailored for molecular representation and data visualization with VR systems, such as VR theaters and helmets. Usefulness and advantages that can be gained by exploiting VR are here reported, considering few examples specifically selected to illustrate different level of theory and molecular representation. PMID- 27867215 TI - Resolving large-scale pressures on species and ecosystems: propensity modelling identifies agricultural effects on streams. AB - Although agriculture is amongst the world's most widespread land uses, studies of its effects on stream ecosystems are often limited in spatial extent. National monitoring data could extend spatial coverage and increase statistical power, but present analytical challenges where covarying environmental variables confound relationships of interest.Propensity modelling is used widely outside ecology to control for confounding variables in observational data. Here, monitoring data from over 3000 English and Welsh river reaches are used to assess the effects of intensive agricultural land cover (arable and pastoral) on stream habitat, water chemistry and invertebrates, using propensity scores to control for potential confounding factors (e.g. climate, geology). Propensity scoring effectively reduced the collinearity between land cover and potential confounding variables, reducing the potential for covariate bias in estimated treatment-response relationships compared to conventional multiple regression.Macroinvertebrate richness was significantly greater at sites with a higher proportion of improved pasture in their catchment or riparian zone, with these effects probably mediated by increased algal production from mild nutrient enrichment. In contrast, macroinvertebrate richness did not change with arable land cover, although sensitive species representation was lower under higher proportions of arable land cover, probably due to greatly elevated nutrient concentrations. Synthesis and applications. Propensity modelling has great potential to address questions about pressures on ecosystems and organisms at the large spatial extents relevant to land-use policy, where experimental approaches are not feasible and broad environmental changes often covary. Applied to the effects of agricultural land cover on stream systems, this approach identified reduced nutrient loading from arable farms as a priority for land management. On this specific issue, our data and analysis support the use of riparian or catchment-scale measures to reduce nutrient delivery to sensitive water bodies. PMID- 27867216 TI - Investigating the impacts of field-realistic exposure to a neonicotinoid pesticide on bumblebee foraging, homing ability and colony growth. AB - The ability to forage and return home is essential to the success of bees as both foragers and pollinators. Pesticide exposure may cause behavioural changes that interfere with these processes, with consequences for colony persistence and delivery of pollination services.We investigated the impact of chronic exposure (5-43 days) to field-realistic levels of a neonicotinoid insecticide (2.4 ppb thiamethoxam) on foraging ability, homing success and colony size using radio frequency identification (RFID) technology in free-flying bumblebee colonies.Individual foragers from pesticide-exposed colonies carried out longer foraging bouts than untreated controls (68 vs. 55 min). Pesticide-exposed bees also brought back pollen less frequently than controls indicating reduced foraging performance.A higher proportion of bees from pesticide-exposed colonies returned when released 1 km from their nests; this is potentially related to increased orientation experience during longer foraging bouts. We measured no impact of pesticide exposure on homing ability for bees released from 2 km, or when data were analysed overall.Despite a trend for control colonies to produce more new workers earlier, we found no overall impacts of pesticide exposure on whole colony size. Synthesis and applications. This study shows that field realistic neonicotinoid exposure can have impacts on both foraging ability and homing success of bumblebees, with implications for the success of bumblebee colonies in agricultural landscapes and their ability to deliver crucial pollination services. Pesticide risk assessments should include bee species other than honeybees and assess a range of behaviours to elucidate the impact of sublethal effects. This has relevance for reviews of neonicotinoid risk assessment and usage policy world-wide. PMID- 27867217 TI - Avoidance of wind farms by harbour seals is limited to pile driving activities. AB - As part of global efforts to reduce dependence on carbon-based energy sources there has been a rapid increase in the installation of renewable energy devices. The installation and operation of these devices can result in conflicts with wildlife. In the marine environment, mammals may avoid wind farms that are under construction or operating. Such avoidance may lead to more time spent travelling or displacement from key habitats. A paucity of data on at-sea movements of marine mammals around wind farms limits our understanding of the nature of their potential impacts.Here, we present the results of a telemetry study on harbour seals Phoca vitulina in The Wash, south-east England, an area where wind farms are being constructed using impact pile driving. We investigated whether seals avoid wind farms during operation, construction in its entirety, or during piling activity. The study was carried out using historical telemetry data collected prior to any wind farm development and telemetry data collected in 2012 during the construction of one wind farm and the operation of another.Within an operational wind farm, there was a close-to-significant increase in seal usage compared to prior to wind farm development. However, the wind farm was at the edge of a large area of increased usage, so the presence of the wind farm was unlikely to be the cause.There was no significant displacement during construction as a whole. However, during piling, seal usage (abundance) was significantly reduced up to 25 km from the piling activity; within 25 km of the centre of the wind farm, there was a 19 to 83% (95% confidence intervals) decrease in usage compared to during breaks in piling, equating to a mean estimated displacement of 440 individuals. This amounts to significant displacement starting from predicted received levels of between 166 and 178 dB re 1 MUPa(p-p). Displacement was limited to piling activity; within 2 h of cessation of pile driving, seals were distributed as per the non-piling scenario. Synthesis and applications. Our spatial and temporal quantification of avoidance of wind farms by harbour seals is critical to reduce uncertainty and increase robustness in environmental impact assessments of future developments. Specifically, the results will allow policymakers to produce industry guidance on the likelihood of displacement of seals in response to pile driving; the relationship between sound levels and avoidance rates; and the duration of any avoidance, thus allowing far more accurate environmental assessments to be carried out during the consenting process. Further, our results can be used to inform mitigation strategies in terms of both the sound levels likely to cause displacement and what temporal patterns of piling would minimize the magnitude of the energetic impacts of displacement. PMID- 27867218 TI - Predictive Validity of an Empirical Approach for Selecting Promising Message Topics: A Randomized-Controlled Study. AB - Several message topic selection approaches propose that messages based on beliefs pretested and found to be more strongly associated with intentions will be more effective in changing population intentions and behaviors when used in a campaign. This study aimed to validate the underlying causal assumption of these approaches which rely on cross-sectional belief-intention associations. We experimentally tested whether messages addressing promising themes as identified by the above criterion were more persuasive than messages addressing less promising themes. Contrary to expectations, all messages increased intentions. Interestingly, mediation analyses showed that while messages deemed promising affected intentions through changes in targeted promising beliefs, messages deemed less promising also achieved persuasion by influencing nontargeted promising beliefs. Implications for message topic selection are discussed. PMID- 27867220 TI - Unsafe at Any Age: Linking Childhood and Adolescent Maltreatment to Delinquency and Crime. PMID- 27867219 TI - Finite magnetic relaxation in x-space magnetic particle imaging: Comparison of measurements and ferrohydrodynamic models. AB - Magnetic Particle Imaging (MPI) is an emerging tomographic imaging technology that detects magnetic nanoparticle tracers by exploiting their non-linear magnetization properties. In order to predict the behavior of nanoparticles in an imager, it is possible to use a non-imaging MPI relaxometer or spectrometer to characterize the behavior of nanoparticles in a controlled setting. In this paper we explore the use of ferrohydrodynamic magnetization equations for predicting the response of particles in an MPI relaxometer. These include a magnetization equation developed by Shliomis (Sh) which has a constant relaxation time and a magnetization equation which uses a field-dependent relaxation time developed by Martsenyuk, Raikher and Shliomis (MRSh). We compare the predictions from these models with measurements and with the predictions based on the Langevin function that assumes instantaneous magnetization response of the nanoparticles. The results show good qualitative and quantitative agreement between the ferrohydrodynamic models and the measurements without the use of fitting parameters and provide further evidence of the potential of ferrohydrodynamic modeling in MPI. PMID- 27867221 TI - Molecular Recognition by Circular Oligonucleotides. Strong Binding of Single stranded DNA and RNA. AB - Pyrimidine-rich circular DNA oligonucleotides 1 and 2 display very high binding affinities for complementary DNA and RNA oligomers by forming bimolecular triple helical complexes. PMID- 27867222 TI - Strong between-site variation in New Caledonian crows' use of hook-tool-making materials. AB - Functional tool use requires the selection of appropriate raw materials. New Caledonian crows Corvus moneduloides are known for their extraordinary tool making behaviour, including the crafting of hooked stick tools from branched vegetation. We describe a surprisingly strong between-site difference in the plant materials used by wild crows to manufacture these tools: crows at one study site use branches of the non-native shrub Desmanthus virgatus, whereas only approximately 7 km away, birds apparently ignore this material in favour of the terminal twigs of an as-yet-unidentified tree species. Although it is likely that differences in local plant communities drive this striking pattern, it remains to be determined how and why crows develop such strong site-specific preferences for certain raw materials. PMID- 27867223 TI - Thermomechanical Formation-Structure-Property Relationships in Photopolymerized Copper-Catalyzed Azide-Alkyne (CuAAC) Networks. AB - Bulk photopolymerization of a library of synthesized multifunctional azides and alkynes was carried out toward developing structure-property relationships for CuAAC-based polymer networks. Multifunctional azides and alkynes were formulated with a copper catalyst and a photoinitiator, cured, and analyzed for their mechanical properties. Material properties such as the glass transition temperatures (Tg) show a strong dependence on monomer structure with Tg values ranging from 41 to 90 degrees C for the series of CuAAC monomers synthesized in this study. Compared to the triazoles, analogous thioether-based polymer networks exhibit a 45-49 degrees C lower Tg whereas analogous monomers composed of ethers in place of carbamates exhibit a 40 degrees C lower Tg. Here, the formation of the triazole moiety during the polymerization represents a critical component in dictating the material properties of the ultimate polymer network where material properties such as the rubbery modulus, cross-link density, and Tg all exhibit strong dependence on polymerization conversion, monomer composition, and structure postgelation. PMID- 27867224 TI - Approximating the Little Grothendieck Problem over the Orthogonal and Unitary Groups. AB - The little Grothendieck problem consists of maximizing Sigma ij Cijxixj for a positive semidef-inite matrix C, over binary variables xi ? {+/-1}. In this paper we focus on a natural generalization of this problem, the little Grothendieck problem over the orthogonal group. Given C ? R dn * dn a positive semidefinite matrix, the objective is to maximize [Formula: see text] restricting Oi to take values in the group of orthogonal matrices [Formula: see text], where Cij denotes the (ij)-th d * d block of C. We propose an approximation algorithm, which we refer to as Orthogonal-Cut, to solve the little Grothendieck problem over the group of orthogonal matrices [Formula: see text] and show a constant approximation ratio. Our method is based on semidefinite programming. For a given d >= 1, we show a constant approximation ratio of alphaR(d)2, where alphaR(d) is the expected average singular value of a d * d matrix with random Gaussian [Formula: see text] i.i.d. entries. For d = 1 we recover the known alphaR(1)2 = 2/pi approximation guarantee for the classical little Grothendieck problem. Our algorithm and analysis naturally extends to the complex valued case also providing a constant approximation ratio for the analogous little Grothendieck problem over the Unitary Group [Formula: see text]. Orthogonal-Cut also serves as an approximation algorithm for several applications, including the Procrustes problem where it improves over the best previously known approximation ratio of [Formula: see text]. The little Grothendieck problem falls under the larger class of problems approximated by a recent algorithm proposed in the context of the non commutative Grothendieck inequality. Nonetheless, our approach is simpler and provides better approximation with matching integrality gaps. Finally, we also provide an improved approximation algorithm for the more general little Grothendieck problem over the orthogonal (or unitary) group with rank constraints, recovering, when d = 1, the sharp, known ratios. PMID- 27867225 TI - TOTAL SYNTHESES OF PANCRATISTATIN. A REVIEW. PMID- 27867227 TI - A Pattern-Based Definition of Urban Context Using Remote Sensing and GIS. AB - In Sub-Saharan Africa rapid urban growth combined with rising poverty is creating diverse urban environments, the nature of which are not adequately captured by a simple urban-rural dichotomy. This paper proposes an alternative classification scheme for urban mapping based on a gradient approach for the southern portion of the West African country of Ghana. Landsat Enhanced Thematic Mapper Plus (ETM+) and European Remote Sensing Satellite-2 (ERS-2) synthetic aperture radar (SAR) imagery are used to generate a pattern based definition of the urban context. Spectral mixture analysis (SMA) is used to classify a Landsat scene into Built, Vegetation and Other land covers. Landscape metrics are estimated for Built and Vegetation land covers for a 450 meter uniform grid covering the study area. A measure of texture is extracted from the SAR imagery and classified as Built/Non built. SMA based measures of Built and Vegetation fragmentation are combined with SAR texture based Built/Non-built maps through a decision tree classifier to generate a nine class urban context map capturing the transition from unsettled land at one end of the gradient to the compact urban core at the other end. Training and testing of the decision tree classifier was done using very high spatial resolution reference imagery from Google Earth. An overall classification agreement of 77% was determined for the nine-class urban context map, with user's accuracy (commission errors) being lower than producer's accuracy (omission errors). Nine urban contexts were classified and then compared with data from the 2000 Census of Ghana. Results suggest that the urban classes appropriately differentiate areas along the urban gradient. PMID- 27867226 TI - Testing the Impact of Child Characteristics * Instruction Interactions on Third Graders' Reading Comprehension by Differentiating Literacy Instruction. AB - There is accumulating correlational evidence that the effect of specific types of reading instruction depends on children's initial language and literacy skills, called child characteristics * instruction (C*I) interactions. There is, however, no experimental evidence beyond first grade. This randomized control study examined whether C*I interactions might present an underlying and predictable mechanism for explaining individual differences in how students respond to third grade classroom literacy instruction. To this end, we designed and tested an instructional intervention (Individualizing Student Instruction [ISI]). Teachers (n = 33) and their students (n = 448) were randomly assigned to the ISI intervention or a vocabulary intervention, which was not individualized. Teachers in both conditions received professional development. Videotaped classroom observations conducted in the fall, winter, and spring documented the instruction that each student in the classroom received. Teachers in the ISI group were more likely to provide differentiated literacy instruction that considered C*I interactions than were the teachers in the vocabulary group. Students in the ISI intervention made greater gains on a standardized assessment of reading comprehension than did students in the vocabulary intervention. Results indicate that C*I interactions likely contribute to students' varying response to literacy instruction with regard to their reading comprehension achievement and that the association between students' profile of language and literacy skills and recommended instruction is nonlinear and dependent on a number of factors. Hence, dynamic and complex theories about classroom instruction and environment impacts on student learning appear to be warranted and should inform more effective literacy instruction in third grade. PMID- 27867228 TI - Simplexolides A-E and plakorfuran A, six butyrate derived polyketides from the marine sponge Plakortis simplex. AB - Six new polyketides, simplexolides A-E (1-5) and a furan ester, plakorfuran A (6), together with four known furanylidenic methyl esters (7-10) were isolated from the marine sponge Plakortis simplex. Compounds 1-5 feature a tetrahydrofuran ring opened seco-plakortone skeleton. These new structures, including relative configurations, were determined on the basis of extensive analysis of spectroscopic data. The absolute configurations of 1-6 were established by the modified Mosher's method, and the CD exciton chirality method. However, configurations of the remote stereocenters at C-8 in compounds 1-5 were not determined. Antifungal, cytotoxicity, antileismanial, and antimalarial activities of these poly-ketides were evaluated. PMID- 27867229 TI - Eucalyptals D and E, new cytotoxic phloroglucinols from the fruits of Eucalyptus globulus and assignment of absolute configuration. AB - Two new phloroglucinols, named eucalyptals D (1) and E (2), along with a related known compound (euglobal-In-3, 3) were isolated from the fruits of Eucalyptus globulus. Their structures were established on the basis of extensive spectroscopic studies, revealing that they share a common 3,5-diformyl-isopentyl phloroglucinol unit, but each is instead coupled to a different sesquiterpenoid skeleton (aromadendrene in 1, cadinene in 2, and a spirosesquiterpene in 3). Compound 1 possessed an unusual seven-membered D ring with an ether bridge between C-2 of the aromadendrene moiety and C-2' of the aromatic unit. The absolute configuration of the isolates was defined by the comparison of experimental and calculated electronic circular dichroism (ECD) spectra. Compounds 1-3 exhibited significant in vitro cytotoxicities against a few human cancer cell lines (Huh-7, Jurkat, BGC-823, and KE-97) using the CellTiter-GloTM luminescent cell viability assay method. PMID- 27867230 TI - Isospora scinci (Apicomplexa: Eimeriidae) from Five-Lined Skinks, Plestiodon fasciatus (Sauria: Scincidae): Additional Records from Arkansas and First Report from Oklahoma. PMID- 27867231 TI - Interviewing Practices, Conversational Practices, and Rapport: Responsiveness and Engagement in the Standardized Survey Interview. AB - "Rapport" has been used to refer to a range of positive psychological features of an interaction -- including a situated sense of connection or affiliation between interactional partners, comfort, willingness to disclose or share sensitive information, motivation to please, or empathy. Rapport could potentially benefit survey participation and response quality by increasing respondents' motivation to participate, disclose, or provide accurate information. Rapport could also harm data quality if motivation to ingratiate or affiliate caused respondents to suppress undesirable information. Some previous research suggests that motives elicited when rapport is high conflict with the goals of standardized interviewing. We examine rapport as an interactional phenomenon, attending to both the content and structure of talk. Using questions about end-of-life planning in the 2003-2005 wave of the Wisconsin Longitudinal Study, we observe that rapport consists of behaviors that can be characterized as dimensions of responsiveness by interviewers and engagement by respondents. We identify and describe types of responsiveness and engagement in selected question-answer sequences and then devise a coding scheme to examine their analytic potential with respect to the criterion of future study participation. Our analysis suggests that responsive and engaged behaviors vary with respect to the goals of standardization-some conflict with these goals, while others complement them. PMID- 27867232 TI - Professional boundaries and the identity of counselling psychology in South Africa. PMID- 27867233 TI - Influence of anthropogenic aerosol deposition on the relationship between oceanic productivity and warming. AB - Satellite data and models suggest that oceanic productivity is reduced in response to less nutrient supply under warming. In contrast, anthropogenic aerosols provide nutrients and exert a fertilizing effect, but its contribution to evolution of oceanic productivity is unknown. We simulate the response of oceanic biogeochemistry to anthropogenic aerosols deposition under varying climate from 1850 to 2010. We find a positive response of observed chlorophyll to deposition of anthropogenic aerosols. Our results suggest that anthropogenic aerosols reduce the sensitivity of oceanic productivity to warming from -15.2 +/- 1.8 to -13.3 +/- 1.6 Pg C yr-1 degrees C-1 in global stratified oceans during 1948-2007. The reducing percentage over the North Atlantic, North Pacific, and Indian Oceans reaches 40, 24, and 25%, respectively. We hypothesize that inevitable reduction of aerosol emissions in response to higher air quality standards in the future might accelerate the decline of oceanic productivity per unit warming. PMID- 27867234 TI - Revisiting the hemispheric asymmetry in midlatitude ozone changes following the Mount Pinatubo eruption: A 3-D model study. AB - Following the eruption of Mount Pinatubo, satellite and in situ measurements showed a large enhancement in stratospheric aerosol in both hemispheres, but significant midlatitude column O3 depletion was observed only in the north. We use a three-dimensional chemical transport model to determine the mechanisms behind this hemispheric asymmetry. The model, forced by European Centre for Medium-Range Weather Forecasts ERA-Interim reanalyses and updated aerosol surface area density, successfully simulates observed large column NO2 decreases and the different extents of ozone depletion in the two hemispheres. The chemical ozone loss is similar in the Northern (NH) and Southern Hemispheres (SH), but the contrasting role of dynamics increases the depletion in the NH and decreases it in the SH. The relevant SH dynamics are not captured as well by earlier ERA-40 reanalyses. Overall, the smaller SH column O3 depletion can be attributed to dynamical variability and smaller SH background lower stratosphere O3 concentrations. PMID- 27867235 TI - Transient, small-scale field-aligned currents in the plasma sheet boundary layer during storm time substorms. AB - We report on field-aligned current observations by the four Magnetospheric Multiscale (MMS) spacecraft near the plasma sheet boundary layer (PSBL) during two major substorms on 23 June 2015. Small-scale field-aligned currents were found embedded in fluctuating PSBL flux tubes near the separatrix region. We resolve, for the first time, short-lived earthward (downward) intense field aligned current sheets with thicknesses of a few tens of kilometers, which are well below the ion scale, on flux tubes moving equatorward/earthward during outward plasma sheet expansion. They coincide with upward field-aligned electron beams with energies of a few hundred eV. These electrons are most likely due to acceleration associated with a reconnection jet or high-energy ion beam-produced disturbances. The observations highlight coupling of multiscale processes in PSBL as a consequence of magnetotail reconnection. PMID- 27867236 TI - Direct observation of the thermal demagnetization of magnetic vortex structures in nonideal magnetite recorders. AB - The thermal demagnetization of pseudo-single-domain (PSD) magnetite (Fe3O4) particles, which govern the magnetic signal in many igneous rocks, is examined using off-axis electron holography. Visualization of a vortex structure held by an individual Fe3O4 particle (~250 nm in diameter) during in situ heating is achieved through the construction and examination of magnetic-induction maps. Stepwise demagnetization of the remanence-induced Fe3O4 particle upon heating to above the Curie temperature, performed in a similar fashion to bulk thermal demagnetization measurements, revealed that its vortex state remains stable under heating close to its unblocking temperature and is recovered upon cooling with the same or reversed vorticity. Hence, the PSD Fe3O4 particle exhibits thermomagnetic behavior comparable to a single-domain carrier, and thus, vortex states are considered reliable magnetic recorders for paleomagnetic investigations. PMID- 27867238 TI - Comment: Addressing the Need for Portability in Big Data Model Building and Calibration. PMID- 27867237 TI - Facets of Arctic energy accumulation based on observations and reanalyses 2000 2015. AB - Various observation- and reanalysis-based estimates of sea ice mass and ocean heat content trends imply that the energy imbalance of the Arctic climate system was similar [1.0 (0.9,1.2) Wm-2] to the global ocean average during the 2000-2015 period. Most of this extra heat warmed the ocean, and a comparatively small fraction went into sea ice melt. Poleward energy transports and radiation contributed to this energy increase at varying strengths. On a seasonal scale, stronger radiative energy input during summer associated with the ice-albedo feedback enhances seasonal oceanic heat uptake and sea ice melt. In return, lower sea ice extent and higher sea surface temperatures lead to enhanced heat release from the ocean during fall. This weakens meridional temperature gradients, consequently reducing atmospheric energy transports into the polar cap. The seasonal cycle of the Arctic energy budget is thus amplified, whereas the Arctic's long-term energy imbalance is close to the global mean. PMID- 27867239 TI - Legal Status and Health Care: Mexican-Origin Children in California, 2001-2014. AB - Using restricted data from the 2001-2014 California Health Interview Surveys, this research illuminates the role of legal status in health care among Mexican origin children. The first objective is to provide a population-level overview of trends in health care access and utilization, along with the legal statuses of parents and children. The second objective is to examine the nature of associations between children's health care and legal status over time. We identify specific status-based distinctions that matter and investigate how their importance is changing. Despite the continuing significance of child nativity for health care, the descriptive analysis shows that the proportion of Mexican-origin children who are foreign born is declining. This trend suggests a potentially greater role of parental legal status in children's health care. Logistic regression analyses demonstrate that the importance of parental legal status varies with the health care indicator examined and the inclusion of child nativity in models. Moreover, variation in some aspects of children's health care coalesced more around parents' citizenship than documentation status in the past. With one exception, the salience of such distinctions has dissipated over time. PMID- 27867240 TI - Internal and International Migration Across the Urban Hierarchy in Albania. AB - The interactions between the processes of urbanization and international migration in less developed and transition countries have important repercussions for socioeconomic development, but are not well understood. Based on the retrospective data from the Albanian Living Standards Measurement Survey 2008, we first assess the geography of migration in terms of the rural-urban continuum, the urban hierarchy and the outside world since 1990. We then investigate the spatio-temporal diffusion of rural-to-urban and international movements using survival models. Results reveal an immediate onset of large-scale rural exodus, despite the post-communist crisis. Internal migrants mainly moved to the capital, bypassing secondary cities, and were predominantly female. Initially, international migrants were primarily men who tended to originate from the main urban agglomerations. The diffusion of opportunities to emigrate down the urban hierarchy and across the sexes then redirected the rural exodus abroad, despite domestic economic development. This evolution in population mobility is related to the gendered patterns and interlinkages of the two flows, as well as to rising inequalities within the urban hierarchy. PMID- 27867241 TI - Family Profiles and Educational Attainment. AB - The educational attainment of participants in the Chicago Longitudinal Study (93% Black and 7% Hispanic) was examined. Cluster analysis on measures of human capital resources, family dynamics and demographics was used to identify four distinct profiles of families. In general, children who had family profiles characterized by higher levels of human capital resources and more favorable scores on indictors of family functioning were more likely than other children to have higher educational attainment. Moreover, children who experienced a positive change in family profile characteristics between the ages of 8 and 12 were more likely than other children to have higher educational attainment. Implications for intervention and research are discussed. PMID- 27867242 TI - Childhood Predictors of Adult Substance Abuse. AB - Identification of the early determinants of substance abuse is a major focus of life course research. In this study, we investigated the child, family, and school-related antecedents of the onset and prevalence of substance abuse by age 26 for a cohort of 1,208 low-income minority children in the Chicago Longitudinal Study. Data onon well-being have been collected prospectively since birth from administrative records, parents, teachers, and children. Results indicated that the prevalence of substance abuse by age 26 was 32 percent (self reports or criminal justice system records) with a median age of first use of 17. Probit regression analysis indicated that substance abuse prevalence was primarily determined by gender (males had a higher rate), trouble making behavior by age 12, school mobility, and previous substance use. Family and peer predictors included involvement in the child welfare system by age 9, parent expectations for school success at age 9, parent substance abuse by children's age 15, and deviant peer affiliation by age 16. Age of first substance use was predicted by gender and race/ethnicity (males and Blacks had earlier incidence), involvement in the child welfare system, and family risk status at age 8. As with prevalence, the pattern of predictors for males was similar to the overall sample but the magnitude of effects was stronger.. The predictors of the timing of substance use dependency were gender, family conflict by age 5, involvement in the child welfare system, social maturity at age 9, adolescent school mobility, and school dropout by age 16. Findings indicate that the promotion of family involvement and positive school and social behavior can reduce the risk of substance abuse. PMID- 27867243 TI - Maltreatment prevention through early childhood intervention: A confirmatory evaluation of the Chicago Child-Parent Center preschool program. AB - Increased recognition of the consequences associated with child maltreatment has led to greater emphasis on its prevention. Promising maltreatment prevention strategies have been identified, but research continues to suffer from methodological limitations and a narrow focus on select prevention models. This investigation uses data from the Chicago Longitudinal Study to examine mediating mechanisms that link the Chicago Child-Parent Center preschool program to a reduction in overall child maltreatment and, more specifically, child neglect. We use structural equation modeling to test child, family, and school measures hypothesized to mediate the effects of CPC participation on maltreatment and neglect. Results indicate that a substantial proportion of the program's impacts can be accounted for by family support processes, including increased parent involvement in school and maternal educational attainment as well as decreased family problems. The CPC program's association with reduced school mobility and increased attendance in higher-quality schools also significantly mediated its effects on maltreatment and neglect. Further, a decrease in troublemaking behavior contributed modestly to mediating the program's association with maltreatment but not neglect. We discuss the implications of these results for the field of maltreatment prevention. PMID- 27867244 TI - Community-based organisations for vulnerable children in South Africa: Reach, psychosocial correlates, and potential mechanisms. AB - Community-based organisations (CBOs) have the potential to provide high quality services for orphaned and vulnerable children in resource-limited settings. However, evidence is lacking as to whether CBOs are reaching those who are most vulnerable, whether attending these organisations is associated with greater psychosocial wellbeing, and how they might work. This study addressed these three questions using cross-sectional data from 1848 South African children aged 9-13. Data were obtained from the Young Carers and Child Community Care studies, which both investigated child wellbeing in South Africa using standardised self-report measures. Children from the Child Community Care study were all CBO attenders, whereas children from Young Carers were not receiving any CBO services, thereby serving as a comparison group. Multivariable regression analyses were used to test whether children attending CBOs were more deprived on socio-demographic variables (e.g., housing), and whether CBO attendance was in turn associated with better psychosocial outcomes (e.g., child depression). Mediation analysis was conducted to test whether more positive home environments mediated the association between CBO attendance and significantly higher psychological wellbeing. Overall, children attending CBOs did show greater vulnerability on most socio-demographic variables. For example, compared to children not attending any CBO, CBO-attending children tended to live in more crowded households (OR 1.22) and have been exposed to more community violence (OR 2.06). Despite their heightened vulnerability, however, children attending CBOs tended to perform better on psychosocial measures: for instance, showing fewer depressive symptoms (B=-0.33) and lower odds of experiencing physical (OR 0.07) or emotional abuse (OR 0.22). Indirect effects of CBO attendance on significantly higher child psychological wellbeing (lower depressive symptoms) was observed via lower rates of child abuse (B=-0.07) and domestic conflict/violence (B=-0.03) and higher rates of parental praise (B=-0.03). Null associations were observed between CBO attendance and severe psychopathology (e.g., suicidality). These cross-sectional results provide promising evidence regarding the potential success of CBO reach and impact but also highlight areas for improvement. PMID- 27867245 TI - Diamond coated artificial cardiovascular devices. AB - Ultrananocrystalline diamond (UNCD), an extremely smooth, low cost diamond coating was successfully developed herein for antithrombogenic application which requires high biocompatibility, low wear, low friction, and chemical inertness. The substrate materials utilized in the Jarvik 2000 ventricular assist device (VAD), silicon carbide and titanium alloy, provide an excellent substrate match for UNCD integration. The paper addresses the development of medical-quality UNCD films to significantly improve the knowledge base regarding the defect mechanisms of UNCD films, to reduce or eliminate known wear-inducing imperfections in the film, and to thoroughly characterize and test the films as well as assembled UNCD coated VADs. After the defect reduction and seeding experiments to improve film adhesion and coating quality, the best candidate deposition method has been down selected for coating and assembly of VAD parts from Jarvik Heart. The coated and assembled devices have been tested with mechanical and blood-simulating fluid hydrodynamic testing at Jarvik Heart for full verification of the new coating technology. UNCD interface takes advantage of combining unmatched durability and antithrombogenicity. PMID- 27867246 TI - Predicting stability and change in loneliness in later life. AB - This study examined potential discriminators of groups of older adults showing different patterns of stability or change in loneliness over 5 years: those who became lonely, overcame loneliness, were persistently lonely, and were persistently not lonely. Discriminant function analysis results showed that the persistently lonely, compared with the persistently not lonely, were more often living alone, widowed, and experiencing poorer health and perceived control. Moreover, changes in living arrangements and perceived control predicted loneliness change. In conclusion, perceiving that one is able to meet social needs is a predictor of loneliness and loneliness change and appears to be more important than people's friendships. Because the predictors were better able to predict entry into loneliness, results point to the promise of prevention approaches to loneliness interventions. PMID- 27867247 TI - "Extra Oomph:" Addressing Housing Disparities through Medical Legal Partnership Interventions. AB - Low-income households face common and chronic housing problems that have known health risks and legal remedies. The Medical Legal Partnership (MLP) program presents a unique opportunity to address housing problems and improve patient health through legal assistance offered in clinical settings. Drawn from in-depth interviews with 72 patients, this study investigated the outcomes of MLP interventions and compares results to similarly disadvantaged participants with no access to MLP services. Results indicate that participants in the MLP group were more likely to achieve adequate, affordable and stable housing than those in the comparison group. Study findings suggest that providing access to legal services in the healthcare setting can effectively address widespread health disparities rooted in problematic housing. Implications for policy and scalability are discussed with the conclusion that MLPs can shift professionals' consciousness as they work to improve housing and health trajectories for indigent groups using legal approaches. PMID- 27867248 TI - Comparability of Spot Versus Band Electrodes for Impedance Cardiography. AB - Although band and spot electrodes have been compared in prior research, they have not been evaluated (a) at identical anatomical locations, (b) during a single laboratory session, (c) with measures taken in close temporal proximity, (d) using a single impedance cardiograph unit, or (e) using sufficiently powerful statistical tests. Thirty-one healthy young adults completed a psychophysiological assessment which consisted of baseline, mental arithmetic stressor, and recovery conditions. Data from spot and band electrodes were collected by alternating between electrode types every minute of the experiment. Correlations between spot and band electrodes at absolute levels of all cardiovascular measures (cardiac output, impedance derivative, basal impedance level, Heather index, heart rate, left ventricular ejection time, pre-ejection period, stroke volume) were of high magnitude (ravg = .78), while the correlations for difference scores were lower (ravg = .50). Analyses of mean levels indicated spot electrodes yielded significantly lower values for the impedance derivative, Heather index, and basal impedance, and higher values for cardiac output and stroke volume, than band electrodes. The advantages and disadvantages associated with spot and band electrode configurations, as well as their use in ambulatory recording, are discussed. PMID- 27867250 TI - Approaches to the Estimation of the Local Average Treatment Effect in a Regression Discontinuity Design. AB - Regression discontinuity designs (RD designs) are used as a method for causal inference from observational data, where the decision to apply an intervention is made according to a 'decision rule' that is linked to some continuous variable. Such designs are being increasingly developed in medicine. The local average treatment effect (LATE) has been established as an estimator of the intervention effect in an RD design, particularly where a design's 'decision rule' is not adhered to strictly. Estimating the variance of the LATE is not necessarily straightforward. We consider three approaches to the estimation of the LATE: two stage least squares, likelihood-based and a Bayesian approach. We compare these under a variety of simulated RD designs and a real example concerning the prescription of statins based on cardiovascular disease risk score. PMID- 27867249 TI - Elevated Omentin Serum Levels Predict Long-Term Survival in Critically Ill Patients. AB - Introduction. Omentin, a recently described adipokine, was shown to be involved in the pathophysiology of inflammatory and infectious diseases. However, its role in critical illness and sepsis is currently unknown. Materials and Methods. Omentin serum concentrations were measured in 117 ICU-patients (84 with septic and 33 with nonseptic disease etiology) admitted to the medical ICU. Results were compared with 50 healthy controls. Results. Omentin serum levels of critically ill patients at admission to the ICU or after 72 hours of ICU treatment were similar compared to healthy controls. Moreover, circulating omentin levels were independent of sepsis and etiology of critical illness. Notably, serum concentrations of omentin could not be linked to concentrations of inflammatory cytokines or routinely used sepsis markers. While serum levels of omentin were not predictive for short term survival during ICU treatment, low omentin concentrations were an independent predictor of patients' overall survival. Omentin levels strongly correlated with that of other adipokines (e.g., leptin receptor or adiponectin), which have also been identified as prognostic markers in critical illness. Conclusions. Although circulating omentin levels did not differ between ICU-patients and controls, elevated omentin levels were predictive for an impaired patients' long term survival. PMID- 27867251 TI - Linear Increments with Non-monotone Missing Data and Measurement Error. AB - Linear increments (LI) are used to analyse repeated outcome data with missing values. Previously, two LI methods have been proposed, one allowing non-monotone missingness but not independent measurement error and one allowing independent measurement error but only monotone missingness. In both, it was suggested that the expected increment could depend on current outcome. We show that LI can allow non-monotone missingness and either independent measurement error of unknown variance or dependence of expected increment on current outcome but not both. A popular alternative to LI is a multivariate normal model ignoring the missingness pattern. This gives consistent estimation when data are normally distributed and missing at random (MAR). We clarify the relation between MAR and the assumptions of LI and show that for continuous outcomes multivariate normal estimators are also consistent under (non-MAR and non-normal) assumptions not much stronger than those of LI. Moreover, when missingness is non-monotone, they are typically more efficient. PMID- 27867252 TI - Sample Heterogeneity and the Measurement Structure of the Multidimensional Students' Life Satisfaction Scale. AB - Several measurement assumptions were examined with the goal of assessing the validity of the Multidimensional Students' Life Satisfaction Scale (MSLSS), a measure of adolescents' satisfaction with their family, friends, living environment, school, self, and general quality of life. The data were obtained via a cross-sectional survey of 8,225 adolescents in British Columbia, Canada. Confirmatory factor and factor mixture analyses of ordinal data were used to examine the measurement assumptions. The adolescents did not respond to all the MSLSS items in a psychometrically equivalent manner. A correlated five-factor model for an abridged version of the MSLSS resulted in good fit when all negatively worded items and several positively worded items (the least invariant) were excluded. The abridged 18-item version of the MSLSS provides a promising alternative for the measurement of five life domains that are pertinent to adolescents' quality of life. PMID- 27867253 TI - Drosophila ezoana uses an hour-glass or highly damped circadian clock for measuring night length and inducing diapause. AB - Insects inhabiting the temperate zones measure seasonal changes in day or night length to enter the overwintering diapause. Diapause induction occurs after the duration of the night exceeds a critical night length (CNL). Our understanding of the time measurement mechanisms is continuously evolving subsequent to Bunning's proposal that circadian systems play the clock role in photoperiodic time measurement (Bunning, 1936). Initially, the photoperiodic clocks were considered to be either based on circadian oscillators or on simple hour-glasses, depending on 'positive' or 'negative' responses in Nanda-Hamner and Bunsow experiments (Nanda & Hammer, 1958; Bunsow, 1960). However, there are also species whose responses can be regarded as neither 'positive', nor as 'negative', such as the Northern Drosophila species Drosophila ezoana, which is investigated in the present study. In addition, modelling efforts show that the 'positive' and 'negative' Nanda-Hamner responses can also be provoked by circadian oscillators that are damped to different degrees: animals with highly sustained circadian clocks will respond 'positive' and those with heavily damped circadian clocks will respond 'negative'. In the present study, an experimental assay is proposed that characterizes the photoperiodic oscillators by determining the effects of non-24-h light/dark cycles (T-cycles) on critical night length. It is predicted that there is (i) a change in the critical night length as a function of T-cycle period in sustained-oscillator-based clocks and (ii) a fixed night-length measurement (i.e. no change in critical night length) in damped-oscillator-based clocks. Drosophila ezoana flies show a critical night length of approximately 7 h irrespective of T-cycle period, suggesting a damped-oscillator-based photoperiodic clock. The conclusion is strengthened by activity recordings revealing that the activity rhythm of D. ezoana flies also dampens in constant darkness. PMID- 27867254 TI - Network sampling coverage II: The effect of non-random missing data on network measurement. AB - Missing data is an important, but often ignored, aspect of a network study. Measurement validity is affected by missing data, but the level of bias can be difficult to gauge. Here, we describe the effect of missing data on network measurement across widely different circumstances. In Part I of this study (Smith and Moody, 2013), we explored the effect of measurement bias due to randomly missing nodes. Here, we drop the assumption that data are missing at random: what happens to estimates of key network statistics when central nodes are more/less likely to be missing? We answer this question using a wide range of empirical networks and network measures. We find that bias is worse when more central nodes are missing. With respect to network measures, Bonacich centrality is highly sensitive to the loss of central nodes, while closeness centrality is not; distance and bicomponent size are more affected than triad summary measures and behavioral homophily is more robust than degree-homophily. With respect to types of networks, larger, directed networks tend to be more robust, but the relation is weak. We end the paper with a practical application, showing how researchers can use our results (translated into a publically available java application) to gauge the bias in their own data. PMID- 27867255 TI - Bone Formation in Maxillary Sinus Lift Using Autogenous Bone Graft at 2 and 6 Months. AB - The aim of this study is to compare the bone formation in maxillary sinus lift with an autogenous bone graft in histological evaluation at 2 or 6 months. A comparative study was designed where 10 patients with missing teeth bilaterally in the posterior zone of the maxilla were selected. Patients received a particulate autogenous bone graft under the same surgical conditions, selecting a site to collect a biopsy and histological study at two months and another at six months postoperatively. Histomorphometry was performed and were used Kolmogorov Smirnov test, student's t-test and Spearman's correlation coefficient, considering a value of p<0.05. Differences were observed in inflammatory infiltrate and vascularization characteristics; however, the group analyzed at two months presented 38.12% +/- 6.64 % of mineralized tissue, whereas the group studied at 6 months presented an average of 38.45 +/- 9.27 %. There were no statistical differences between the groups. It is concluded that the bone formation may be similar in intrasinus particulate autogenous bone grafts in evaluations at two or six months; under these conditions, early installation of implants is viable. PMID- 27867256 TI - Modular Polymer Biosensors by Solvent Immersion Imprint Lithography. AB - We recently demonstrated Solvent Immersion Imprint Lithography (SIIL), a rapid benchtop microsystem prototyping technique, including polymer functionalization, imprinting and bonding. Here, we focus on the realization of planar polymer sensors using SIIL through simple solvent immersion without imprinting. We describe SIIL's impregnation characteristics, including an inherent mechanism that not only achieves practical doping concentrations, but their unexpected 2 fold enhancement compared to the immersion solution. Subsequently, we developed and characterized optical sensors for detecting molecular O2. To this end, a substantially high dynamic range is reported, including its control through the immersion duration, a manifestation of SIIL's modularity. Overall, SIIL exhibits the potential of improving the operating characteristics of polymer sensors, while significantly accelerating their prototyping, as it requires a few seconds of processing and no need for substrates or dedicated instrumentation. These are critical for O2 sensing as probed by way of example here, as well as any polymer permeable reactant. PMID- 27867257 TI - LearningRx Cognitive Training Effects in Children Ages 8-14: A Randomized Controlled Trial. AB - In a randomized controlled study, we examined the effects of a one-on-one cognitive training program on memory, visual and auditory processing, processing speed, reasoning, attention, and General Intellectual Ability (GIA) score for students ages 8-14. Participants were randomly assigned to either an experimental group to complete 60 h of cognitive training or to a wait-list control group. The purpose of the study was to examine changes in multiple cognitive skills after completing cognitive training with ThinkRx, a LearningRx program. Results showed statistically significant differences between groups on all outcome measures except for attention. Implications, limitations, and suggestions for future research are examined. PMID- 27867258 TI - Principle of Care and Giving to Help People in Need. AB - Theories of moral development posit that an internalized moral value that one should help those in need-the principle of care-evokes helping behaviour in situations where empathic concern does not. Examples of such situations are helping behaviours that involve cognitive deliberation and planning, that benefit others who are known only in the abstract, and who are out-group members. Charitable giving to help people in need is an important helping behaviour that has these characteristics. Therefore we hypothesized that the principle of care would be positively associated with charitable giving to help people in need, and that the principle of care would mediate the empathic concern-giving relationship. The two hypotheses were tested across four studies. The studies used four different samples, including three nationally representative samples from the American and Dutch populations, and included both self-reports of giving (Studies 1-3), giving observed in a survey experiment (Study 3), and giving observed in a laboratory experiment (Study 4). The evidence from these studies indicated that a moral principle to care for others was associated with charitable giving to help people in need and mediated the empathic concern-giving relationship. (c) 2016 The Authors. European Journal of Personality published by John Wiley & Sons Ltd on behalf of European Association of Personality Psychology. PMID- 27867259 TI - Personality and Other Lifelong Influences on Older-Age Health and Wellbeing: Preliminary Findings in Two Scottish Samples. AB - Recent observations that personality traits are related to later-life health and wellbeing have inspired considerable interest in exploring the mechanisms involved. Other factors, such as cognitive ability and education, also show longitudinal influences on health and wellbeing, but it is not yet clear how all these early-life factors together contribute to later-life health and wellbeing. In this preliminary study, we assessed hypothesised relations among these variables across the life course, using structural equation modelling in a sample assessed on dependability (a personality trait related to conscientiousness) in childhood, cognitive ability and social class in childhood and older age, education, and health and subjective wellbeing in older age. Our models indicated that both health and subjective wellbeing in older age were influenced by childhood IQ and social class, via education. Some older-age personality traits mediated the effects of early-life variables, on subjective wellbeing in particular, but childhood dependability did not show significant associations. Our results therefore did not provide evidence that childhood dependability promotes older-age health and wellbeing, but did highlight the importance of other early-life factors, particularly characteristics that contribute to educational attainment. Further, personality in later life may mediate the effects of early-life factors on health and subjective wellbeing. (c) 2016 The Authors. European Journal of Personality published by John Wiley & Sons Ltd on behalf of European Association of Personality Psychology. PMID- 27867260 TI - Tracking sentence comprehension: Test-retest reliability in people with aphasia and unimpaired adults. AB - PURPOSE: Visual-world eyetracking is increasingly used to investigate online language processing in normal and language impaired listeners. Tracking changes in eye movements over time also may be useful for indexing language recovery in those with language impairments. Therefore, it is critical to determine the test retest reliability of results obtained using this method. METHODS: Unimpaired young adults and people with aphasia took part in two eyetracking sessions spaced about one week apart. In each session, participants completed a sentence-picture matching task in which they listened to active and passive sentences (e.g., The [N1+Auxwoman was] [Vvisiting/visited] [NP/PP2(by) the man]) and selected between two pictures with reversed thematic roles. We used intraclass correlations (ICCs) to examine the test-retest reliability of response measures (accuracy, reaction time (RT)) and online eye movements (i.e., the likelihood of fixating the target picture in each region of the sentence) in each participant group. RESULTS: In the unimpaired adults, accuracy was at ceiling (thus ICCs were not computed), with moderate ICCs for RT (i.e., 0.4 - 0.58) for passive sentences and low (<0.4) for actives. In individuals with aphasia, test-retest reliability was strong (0.590.75) for RT for both sentence types. Similarly, for the unimpaired listeners, reliability of eye movements was moderate for passive sentences (NP/PP2 region) and low in all regions for active sentences. But, for the aphasic participant group, eye movement reliability was excellent for passive sentences (in the first second after sentence end) and strong for active sentences (V and NP/PP2 regions). CONCLUSION: Results indicated moderate-to-low reliability for unimpaired listeners; however, reliable eye movement patterns were detected for processes specific to passive sentences (e.g., thematic reanalysis). In contrast, individuals with aphasia exhibited strong and stable performance across sentence types in response measures and online eye movements. These findings indicate that visual-world eyetracking provides a reliable measure of online sentence comprehension, and thus may be useful for investigating sentence processing changes over time. PMID- 27867261 TI - Counselling Psychology in South Africa. AB - The origin and development of counselling psychology in South Africa has been profoundly influenced by the country's socio-political history and the impact of apartheid. As a result of this, counselling psychologists in the country face a number of challenges and opportunities for the future. In this paper we provide a portrait of counselling psychology in South Africa by describing the current character of the specialty and the context in which South African psychologists work. We critically discuss the challenges that the specialty faces to meet the country's mental health care needs, contest the current Scope of Practice; affirm multiculturalism without essentializing or reifying race and ethnicity, and build an evidence base for community interventions in the country. We also consider how, in the future, counselling psychologists in South Africa may make a more meaningful contribution within public health and the country's health care and education systems. PMID- 27867262 TI - Colonial legacy and the experience of First Nations women in cervical cancer screening: a Canadian multi-community study. AB - Regular Papanicolaou (Pap) screening has dramatically reduced cervical cancer incidence in Canada since the 1950s. However, Indigenous women's rates of cervical cancer remain disproportionately high, a factor which is not acknowledged in national media or in educational materials reporting Canada's new cervical cancer screening guidelines. Here, we present findings from a cervical cancer screening initiative in Northwestern Ontario. Based on participatory action research, we worked with 10 First Nations communities in the Robinson Superior Treaty area to increase awareness of cervical cancer risk, develop culturally sensitive tools for screening and education and test the efficacy of human papillomavirus (HPV) self-sampling as an alternative to Pap cytology. We conducted 16 interviews with health care professionals and 9 focus groups with 69 women from the communities. A central theme for both health care providers (HCPs) and community members was the colonial legacy and its influence on women's experiences of cervical cancer screening. This was evidenced by a strong sense of body shyness, including shame related to sexuality and sexually transmitted infections, concerns about confidentiality in clinical encounters and distrust or caution around HCPs. Reaffirming women's traditional caregiving and educational roles, enhancing mother and daughter communication, improving cultural sensitivity in health care and education and adoption of HPV self-sampling to increase women's privacy and control of the cervical cancer screening experience were endorsed. We argue that education and screening initiatives must reflect the cultural preferences of Indigenous women, empowering them to take control of their experiences of health and body in cervical cancer screening. PMID- 27867264 TI - Traditional Herbal Formulas to as Treatments for Musculoskeletal Disorders: Their Inhibitory Effects on the Activities of Human Microsomal Cytochrome P450s and UDP glucuronosyltransferases. AB - OBJECTIVE: The aim of this study was to assess the influence of traditional herbal formulas, including Bangpungtongseong-san (BPTSS; Fangfengtongsheng-san, Bofu-tsusho-san), Ojeok-san (OJS; Wuji-san, Goshaku-san), and Oyaksungi-san (OYSGS; Wuyaoshungi-san, Uyakujyunki-san), on the activities of the human cytochrome P450s (CYP450s) and UDP-glucuronosyltransferases (UGTs), which are drug-metabolizing enzymes. MATERIALS AND METHODS: The activities of the major human CYP450 isozymes (CYP1A2, CYP3A4, CYP2B6, CYP2C9, CYP2C19, CYP2D6, and CYP2E1) and UGTs (UGT1A1, UGT1A4, and UGT2B7) were investigated using in vitro fluorescence-based and luminescence-based enzyme assays, respectively. The inhibitory effects of the herbal formulas were characterized, and their IC50 values were determined. RESULTS: BPTSS inhibited the activities of CYP1A2, CYP2C19, CYP2E1, and UGT1A1 while it exerted relatively weak inhibition on CYP2B6, CYP2C9, CYP2D6, and CYP3A4. BPTSS also negligibly inhibited the activities of UGT1A4 and UGT2B7, with IC50 values in the excess of 1000 MUg/mL. OJS and OYSGS inhibited the activity of CYP2D6, whereas they exhibited no inhibition of the UGT1A4 activity at doses <1000 MUg/mL. In addition, OJS inhibited the CYP1A2 activity but exerted a relatively weak inhibition on the activities of CYP2C9, CYP2C19, CYP2E1, and CYP3A4. Conversely, OJS negligibly inhibited the activities of CYP2B6, UGT1A1, and UGT2B7 with IC50 values in excess of 1000 MUg/mL. OYSGS weakly inhibited the activities of CYP1A2, CYP2C19, CYP2E1, CYP3A4, and UGT1A1, with a negligible inhibition on the activities of CYP2B6, CYP2C9, and UGT2B7, with IC50 values in excess of 1000 MUg/mL. CONCLUSIONS: These results provide information regarding the safety and effectiveness of BPTSS, OJS, and OYSGS when combined with conventional drugs. SUMMARY: Bangpungtongseong-san inhibited the activities of human microsomal CYP1A2, CYP2C19, CYP2E1, and UGT1A1, with a negligibly inhibition on the activities of CYP2B6, CYP2C9, CYP2D6, CYP3A4, UGT1A4, and UGT2B7Ojeok-san (OJS) inhibited the CYP1A2 and CYP2D6 mediated metabolism while showing a comparatively weak inhibition against CYP2B6, CYP2C9, CYP2C19, CYP2E1, CYP3A4, and UGT1A1 in human microsomesOyaksungi-san (OYSGS) inhibited the activities of human microsomal CYP2D6, with a relatively weak inhibition on the activities of CYP1A2, CYP2B6, CYP2C9, CYP2C19, CYP2E1, CYP3A4, UGT1A1, and UGT2B7OJS showed no inhibition on the activities of human microsomal UGT1A4 and UGT2B7, and OYSGS did not affect the human microsomal UGT1A4 activity. Abbreviations used: BPTSS: Bangpungtongseong-san, OJS: Ojeok-san, OYSGS: Oyaksungi-san, CYP450s: cytochrome P450s, UGTs: UDP-glucuronosyltransferases, MSDs: Musculoskeletal disorders, NSAIDs: nonsteroidal anti-inflammatory drugs, EOMCC: 7-ethoxy-methyloxy-3-cyanocoumarin, DBOMF: di(benzyloxymethoxy)fluorescein, BOMCC: 7-benzyloxy-4-trifluoromethylcoumarin, HPLC: High-performance liquid chromatography, PDA: photo diode array, SEM: standard error of the mean, UDPGA: uridine 5'-diphosphoglucuronic acid. PMID- 27867265 TI - Alpha-glucosidase Inhibitory and Antioxidant Potential of Antidiabetic Herb Alternanthera sessilis: Comparative Analyses of Leaf and Callus Solvent Fractions. AB - BACKGROUND: Alternanthera sessilis is a medicinal herb which is consumed as vegetable and used as traditional remedies of various ailments in Asia and Africa. OBJECTIVE: This study aimed to investigate the antiglucosidase and antioxidant activity of solvent fractions of A. sessilis leaf and callus. MATERIALS AND METHODS: Leaf and callus methanol extracts were fractionated to produce hexane, chloroform, ethyl acetate, butanol, and water fractions. Antiglucosidase and 1,1-diphenyl-2-picrylhydrazyl scavenging activities as well as total phenolic (TP), total flavonoid (TF), and total coumarin (TC) contents were evaluated. Lineweaver-Burk plot analysis was performed on leaf and callus fractions with the strongest antiglucosidase activity. RESULTS: Leaf ethyl acetate fraction (LEF) had the strongest antiglucosidase (EC50 0.55 mg/mL) and radical scavenging (EC50 10.81 MUg/mL) activity among leaf fractions. Callus ethyl acetate fraction (CEF) and chloroform fraction had the highest antiglucosidase (EC50 0.25 mg/mL) and radical scavenging (EC50 34.12 MUg/mL) activity, respectively, among callus fractions. LEF and CEF were identified as noncompetitive and competitive alpha-glucosidase inhibitors, respectively. LEF and CEF had greater antiglucosidase activity than acarbose. Leaf fractions had higher phytochemical contents than callus fractions. LEF had the highest TP, TF, and TC contents. Antiglucosidase and antioxidant activities of leaf fractions correlated with phytochemical contents. CONCLUSION: LEF had potent antiglucosidase activity and concurrent antioxidant activity. CEF had the highest antiglucosidase activity among all fractions. Callus culture is a promising tool for enhancing production of potent alpha-glucosidase inhibitors. SUMMARY: Leaf ethyl acetate fraction (LEF) had the strongest antiglucosidase (EC50 0.55 mg/mL) and radical scavenging (EC50 10.81 MUg/mL) activity among leaf fractionsCallus ethyl acetate fraction (CEF) and chloroform fraction had the highest antiglucosidase (EC50 0.25 mg/mL) and radical scavenging (EC50 34.12 MUg/mL) activity, respectively, among callus fractionsLEF and CEF were identified as noncompetitive and competitive a-glucosidase inhibitors, respectivelyAntiglucosidase and antioxidant activities of leaf fractions correlated with phytochemical contents. Abbreviations used: LHF: Leaf hexane fraction, LCF: Leaf chloroform fraction, LEF: Leaf ethyl acetate fraction, LBF: Leaf butanol fraction, LWF: Leaf water fraction, CHF: Callus hexane fraction, CCF: Callus chloroform fraction, CEF: Callus ethyl acetate fraction, CBF: Callus butanol fraction, CWF: Callus water fraction, TP: Total phenolic, TF: Total flavonoid, TC: Total coumarin. PMID- 27867263 TI - Interferon-Stimulated Gene 15 Conjugation Stimulates Hepatitis B Virus Production Independent of Type I Interferon Signaling Pathway In Vitro. AB - Hepatitis B virus (HBV) is an important account of infectious hepatitis and interferon (IFN) remains one of the best treatment options. Activation of type I IFN signaling pathway leads to expressions of IFN-stimulated genes (ISGs) which play important roles in antiviral and immunomodulatory responses to HBV or hepatitis C virus (HCV) infection. Our previous studies indicated that ISG15 and its conjugation (ISGylation) were exploited by HCV to benefit its replication and persistent infection. This study was designed to assess the role of ISG15 and ISGylation in HBV infection in vitro. The levels of ISG15 and ISGylation were upregulated by ISG15 plasmid transfection into HepG2.2.15 cells. Decreased ISGylation was achieved by siRNA targeting UBE1L, the only E1 activating enzyme for ISGylation. Overexpression of ISG15 and subsequent ISGylation significantly increased the levels of HBV DNA in the culture supernatants although the intracellular viral replication remained unaffected. Silencing UBE1L, with decreased ISGylation achieved, abrogated this ISGylation-mediated promoting effect. Our data indicated that overexpression of ISG15 stimulated HBV production in an ISGylation-dependent manner. Identification of ISG15-conjugated proteins (either HBV viral or host proteins) may reveal promising candidates for further antiviral drug development. PMID- 27867266 TI - A New Antifungal Isocoumarin from The Endophytic Fungus Trichoderma Sp. 09 of Myoporum bontioides A. Gray. AB - BACKGROUND: Myoporum bontioides A. Gray is a commonly used medicinal plant in China. Recently, the chemical and bioactive investigations to the endophytic fungi of this plant have led to several new compounds with antimicrobial and cytotoxic activities. To find out more active molecules, the metabolites of an endophytic fungus, Trichoderma sp. 09 from the root of Myoporum bontioides were investigated. MATERIALS AND METHODS: The metabolites were isolated by column chromatography on silica gel, and their structures were elucidated on the basis of spectroscopic analysis[one-dimensional (1D), two-dimensional (2D)-nuclear magnetic resonance (NMR), Mass spectrometry (MS)], and by comparison with the published data. The dilution method was used for the evaluation of antifungal activity. RESULTS: Four metabolites were isolated and identified as: dichlorodiaportinolide (1), dichlorodiaportin (2), diaportinol (3), and diaportin (4). Compounds 1 and 2 showed weak to high antifungal activities against Colletotrichum musae (Berk. and M. A. Curtis) Arx and Rhizoctonia solani Kuhn, as compared with the positive control. CONCLUSIONS: Compound 1 was a new isocoumarin being worthy of consideration for the development and research of antifungal agents. SUMMARY: A new isocoumarin named dichlorodiaportinolide, along with dichlorodiaportin, diaportinol, and diaportin were isolated from the endophytic fungus Trichoderma sp. 09 of the root of Myoporum bontioides.Dichlorodiaportinolide and dichlorodiaportin showed weak to high antifungal activities against musae and R. solani (MIC values from 6.25 to 150 MUg/mL).Dichlorodiaportinolide and dichlorodiaportin were inactive to P. italic and F. graminearum (MIC values > 200 MUg/mL). Abbreviations used: IR: Infrared Radiation, HR-ESI-MS: High resolution electrospray ionization mass spectroscopy, LCMS-IT-TOF: Liquid chromatography mass spectroscopy-Ion trap-Time-of-flight, UV: Ultraviolet-visible, HMBC: Heteronuclear multiple bond correlation, NOE: Nuclear Overhauser effect. PMID- 27867267 TI - Essential Oil Composition, Antimicrobial and Pharmacological Activities of Lippia sidoides Cham. (Verbenaceae) From Sao Goncalo do Abaete, Minas Gerais, Brazil. AB - BACKGROUND: Lippia sidoides (Verbenaceae) is used in Brazilian folk medicine as an antiseptic, and it is usually applied topically on skin, mucous membranes, mouth, and throat, or used for vaginal washings. OBJECTIVES: To analyze the chemical composition of the essential oil from L. sidoides collected in Sao Goncalo do Abaete, Minas Gerais and grown in Hidrolandia, Goias; to evaluate the antimicrobial activity of the essential oil, crude ethanol extract, and hexane, dichloromethane, ethyl-acetate, and aqueous fractions (AFs); to study the antinociceptive, anti-inflammatory, and central nervous system activities of the crude ethanol extract. MATERIALS AND METHODS: The essential oils were obtained by hydro-distillation using a Clevenger-type apparatus and analyzed by GC/MS. The antimicrobial activity in vitro was performed by broth microdilution method. The pharmacological tests were performed using female Swiss albino mice. RESULTS: The major components of the essential oil were isoborneol (14.66%), bornyl acetate (11.86%), alpha-humulene (11.23%), alpha-fenchene (9.32%), and 1.8-cineole (7.05%), supporting the existence of two chemotypes of this species. The hexane fraction (HF) had good antifungal activity against Cryptococcus sp. ATCC D (MIC = 31.25 MUg/mL) and Cryptococcus gatti L48 (MIC = 62.5 MUg/mL). In the pharmacological tests, the crude ethanol extract presented antinociceptive and anti-inflammatory activities. CONCLUSION: Given that the ethanol extract of L. sidoides is included in the Formulary of Phytotherapeutic Agents of the Brazilian Pharmacopeia as an anti-inflammatory for oral cavities, the present work provides scientific evidence to back this use and highlight the importance of selecting the appropriate chemotype on the basis of the expected biological response. SUMMARY: The major components of the essential oil of L. sidoides were isoborneol bornyl acetate, alpha-humulene, alpha-fenchene, and 1.8-cineole. The HF had good antifungal activity against Cryptococcus sp. ATCC D and C. gatti L4.The crude ethanol extract of L. sidoides presented antinociceptive and anti-inflammatory activities.The present work provides scientific evidence of the importance of selecting the appropriate chemotype on the basis of the expected biological response. Abbreviations used: UFG: Universidade Federal de Goias; HF: hexane fraction; DF: dichloromethane fraction; EAF: ethyl acetate fraction; AF: aqueous fraction; MeOH: methanol; MIC: minimum inhibitory concentration; ATCC: American Type Culture Collection; MH: Muller Hinton; DMSO: dimethyl sulfoxide; RPMI: Roswell Park Memorial Institute; NaCl: sodium chloride; MUL: microliters; mL: milliliters; MUg: microgram; kg: kilogram; h: hour; min: minute; cm: centimeter; COBEA: Brazilian College of Animal Experiments; p.o.:, oral; i.p.: intraperitoneal; s.c.: subcutaneous; SEM: standard error of the mean; RI: retention indices. PMID- 27867269 TI - Platyphylloside Isolated From Betula platyphylla Inhibit Adipocyte Differentiation and Induce Lipolysis Via Regulating Adipokines Including PPARgamma in 3T3-L1 Cells. AB - BACKGROUND: Obesity causes or aggravates many health problems, both independently and in association with several pathological disorders, including Type II diabetes, hypertension, atherosclerosis, and cancer. Therefore, we screened small compounds isolated from natural products for the development of anti-obesity drugs. OBJECTIVE: The purpose of this study was to investigate the anti adipogenic activities of platyphylloside, diarylheptanoid isolated from Betula platyphylla, which was selected based on the screening using 3T3-L1 cells. MATERIALS AND METHODS: To evaluate the inhibition of adipocyte differentiation and lipolysis, lipid contents of BPP on were measured using Oil Red O staining in 3T3-L1 cells. The mRNA and protein expression levels of various adipokines were measured by Quantitative real-time PCR and Western blotting analysis, respectively. RESULTS: Platyphylloside showed significant inhibitory activity on adipocyte differentiation in 3T3-L1 cells and suppressed adipocyte differentiation even in the presence of troglitazone, a PPARgamma agonist. Platyphylloside might suppress adipocyte differentiation through PPARgamma, C/EBPalpha, and SREBP1-induced adipogenesis, which is synergistically associated with downstream adipocyte-specific gene promoters such as aP2, FAS, SCD-1, LPL, and Adiponectin. In addition, platyphylloside affected lipolysis by down regulating perilipin and HSL and up-regulating TNFalpha. CONCLUSION: Taken together, the results reveal that platyphylloside has anti-adipogenic activity and highlight its potential in the prevention and treatment of obesity. SUMMARY: The extract of B. platyphylla bark and its isolate, BPP, had anti-adipogenic activity in 3T3-L1 cells via suppression of adipocyte differentiation from preadipocytes.Treatment with BPP significantly down-regulated the expression of PPARgamma, C/EBP, C/EBPbeta, C/EBPdelta, SREBP1c, SCD-1, FAS, aP2 and LPL.BPP induced a lipolytic response in mature adipocytes via up-regulation krof TNFa and down-regulation of HSL, perilipin, PPARgamma, PDE3B, and Gia1.BPP is a novel potential agent in the prevention and treatment of obesity through its anti adipogenic activities and lipolysis. Abbreviations used: DMEM: Dulbecco's modified Eagle's medium, FBS: fetal bovine serum, ORO: Oil Red O, PBS: phosphate buffered saline, RT: room temperature, PPAR: peroxisome proliferator-activated receptor, C/EBP: CCAAT/enhancer-binding protein, SREBP1: sterol regulatory element binding protein 1, SCD-1: steroyl-coenzyme A desaturase 1, LPL: lipoprotein lipase, aP2: adipocyte fatty acid binding protein, FAS: fatty acid synthase, HSL: hormone sensitive lipase, Gialpha1: GPT binding protein, PDE3B: phosphodiesterase 3B, TNFalpha: tumor necrosis factor alpha, GAPDH: glyceraldehyde 3-phosphate dehydrogenase, SD: standard deviation, EGCG: epigallocatechin-3-gallate, TZD: thiazolidinediones. PMID- 27867268 TI - Composition of The Essential Oil From Danggui-zhiqiao Herb-Pair and Its Analgesic Activity and Effect on Hemorheology in Rats With Blood Stasis Syndrome. AB - BACKGROUND: Angelica sinensis and Aurantii fructu used in a pair, named Danggui Zhiqiao herb-pair (DZHP), which was rich in essential oil and has been adopted to promote blood circulation, dispel blood stasis, and relieve pain in traditional Chinese medicine (TCM). OBJECTIVE: To analyze the composition and pharmacological effects of essential oil from DZHP. MATERIALS AND METHODS: The composition of the essential oil from DZHP was analyzed by gas chromatography/mass spectrometry (GC/MS). Its analgesic activity was evaluated by acetic acid-induced writhing test and hot plate test. The hemorheology test was carried out to evaluate the effect on hemorheology in rats with blood stasis syndrome. RESULTS: Twenty-eight components were identified and the main components were alpha-pinene (3.07%), beta-pinene (2.0%), beta-myrcene (3.71%), D-limonene (49.28%), gamma-terpinen (9.53%), alpha-terpinolene (1.80%), alpha-terpineol (2.02%), beta-bisabolene (1.13%), butylidenephthalide (1.43%), and Z-ligustilide (16.08%). The pharmacology test showed that the essential oil significantly inhibited the number of writhes induced by acetic acid with inhibition rate of 44.64% and significantly increased hot-plate latency compared with control group from 30 to 90 min after oral administration of drugs in mice. It could significantly decrease plasma viscosity, whole blood relative index at high and low shear rate, whole blood reduced viscosity at high and low shear rate, and erythrocyte rigidity index in hemorheology test. CONCLUSION: The composition of the essential oil of DZHP was determined successfully and it had analgesic and promoting blood circulation activities. SUMMARY: Angelica sinensis and Aurantii fructu used in a pair, named Danggui-Zhiqiao herb-pair (DZHP), which was rich in Essential oil and has been adopted to promote blood circulation, dispel blood stasis and relieve pain in traditional Chinese medicine (TCM).Twenty-eight components were identified and the main components were alpha-pinene (3.07%), beta-pinene (2.0%), beta-myrcene (3.71%), D-limonene (49.28%), gamma-terpinen (9.53%), alpha terpinolene (1.80%), alpha-terpineol (2.02%), beta-bisabolene (1.13%), butylidenephthalide (1.43%), and Z-ligustilide (16.08%).The essential oil significantly inhibited the number of writhes induced by acetic acid and increased hot-plate latency compared with control group from 30 min to 90 min after oral administration of drugs in mice.The essential oil could significantly decrease plasma viscosity (PV), whole blood relative index (WBRI) at high and low shear rate, whole blood reduced viscosity (WBRV) at high and low shear rate, and erythrocyte rigidity index (ERI) in hemorheology test. Abbreviations used: DZHP: Danggui-Zhiqiao herb-pair; TCM: traditional Chinese medicine; GC/MS: gas chromatography /mass spectrometry; PV: plasma viscosity; WBRI: whole blood relative index; WBRV: whole blood reduced viscosity; ERI: erythrocyte rigidity index. PMID- 27867270 TI - Preparation of Sesquiterpenoids from Tussilago farfara L. by High-speed Counter current Chromatography. AB - BACKGROUND: Sesquiterpenoids, such as tussilagone, has effects of raising blood pressure, antiplatelet aggregation, and anti-inflammation activities, which is regarded as index compound for quality control of Tussilago farfara L. OBJECTIVE: This study was aimed to obtain an effective method for fast isolation of sesquiterpenoids from T. farfara L. by high-speed counter-current chromatography (HSCCC). MATERIALS AND METHODS: A solvent optimization method for HSCCC was presented, i.e., the separation factors of compounds after the K values of solvent system should be investigated. RESULTS: A ternary solvent system of n hexane:methanol:water (5:8:2, v/v/v) was selected and applied for the HSCCC, and 56 mg of tussilagone (2) was isolated from T. farfara L., along with two other sesquiterpenoids 5.6 mg of 2,2-dimethyl-6-acetylchromanone (1) and 22 mg of 14 acetoxy-7 beta-(3'-ethyl cis-crotonoyloxy)-lalpha-(2'-methylbutyryloxy) notonipetranone (3) by HSCCC with high purities. Their chemical structures were elucidated by liquid chromatography-mass spectrometry and nuclear magnetic resonance experiments. CONCLUSION: These results offered an efficient strategy for preparation of potentially health-relevant phytochemicals from T. farfara L., which might be used for further chemical research and pharmacological studies by preparative HSCCC. SUMMARY: The real separation efficiency has been verified by analytical HSCCC.A solvent optimization method for HSCCC was presented and applied to separate and prepare active compounds.A method for rapid and effective separation of target compound Tussilagone with high yield and purity from the flower buds of Tussilago farfara.Two other compounds 2,2-Dimethyl-6 acetylchromanone and 14-acetoxy-7beta-(3'-ethyl cis-crotonoyloxy) -lalpha- (2' methylbutyryloxy). notonipetranone hasbeen obtained with high purities from flower buds of Tussilago farfara. Abbreviations used: HSCCC: High-Speed Counter Current Chromatography; LC-MS: Liquid Chromatograph-Mass Spectrometer; NMR: Nuclear Magnetic Resonance; TCM: Traditional Chinese Medicine; HPLC: High Performance Liquid Chromatography; ESI-MS: Electrospray Ionization Mass Spectrometry; PE: petroleum ether. PMID- 27867271 TI - Wound Healing Activity and Chemical Standardization of Eugenia pruniformis Cambess. AB - BACKGROUND: Eugenia pruniformis is an endemic species from Brazil. Eugenia genus has flavonoids as one of the remarkable chemical classes which are related to the improvement of the healing process. AIMS: To evaluate of wound healing activity of E. pruniformis leaves and to identify and quantify its main flavonoids compounds. MATERIALS AND METHODS: Wound excision model in rats was used to verify the hydroethanolic and ethyl acetate extracts potential. The animals were divided in four groups of six and the samples were evaluated until the 15 degrees day of treatment. Hydroxyproline dosage and histological staining with hematoxilin-eosin and Sirius Red were used to observe the tissue organization and quantify the collagen deposition, respectively. Chemical compounds of the ethyl acetate extract were identified by chromatographic techniques and mass spectrometry analysis and total flavonoids content was determined by spectrophotometric method. The antioxidant activity was determined by oxygen radical absorbing capacity (ORAC) and 2,2-diphenyl-1-picrylhydrazylhydrate radical photometric (DPPH) assays. RESULTS: The treated group with the ethyl acetate extract showed collagen deposition increase, higher levels of hidroxyproline, better tissue reorganization and complete remodeling of epidermis. Quercetin, kaempferol and hyperoside were identified as main compounds and flavonoids content value was 43% (w/w). The ORAC value of the ethyl acetate extract was 0.81+/- 0.05 mmol TE/g whereas the concentration to produce 50% reduction of the DPPH was 7.05+/- 0.09 MUg/mL. CONCLUSION: The data indicate a wound healing and antioxidant activities of E. pruniformis. This study is the first report of flavonoids and wound healing activity of E. pruniformis. KEY MESSAGES: Eugenia pruniformis extract accelerates wound healing in skin rat model, probably due to its involvement with the collagen deposition increase, higher levels of hidroxyproline, dermal remodelling and potent antioxidant activity. Chemical standardization of the active wound healing extract was done. The total flavonoid content was 43% (w/w) and quercetin, kaempferol and hyperoside were identified as main compounds. SUMMARY: Wound excision model in rats showed the potential wound healing activity of E. pruniformis by collagen deposition increase, higher levels of hidroxyproline, better tissue reorganization and complete remodeling of epidermis.Flavonoids are the main compounds of the endemic E. pruniformis and quercetin, kaempferol and hyperoside were identified in ethyl acetate extract by TLC, HPLC-PDA and HRESI-MS analysis.The ethyl acetate extract of E. pruniformis showed a potent antioxidant activity by ORAC and DPPH assays Abbreviation used: NC: Negative control, PC: Positive control, CH: Crude hydroethanolic extract, EA: Ethyl acetate extract, TE: Trolox equivalent, mg: Milligram, mM: Millimolar, mL: Milliliter, HPLC-PDA: High performance liquid chromatography with a photodiode array detector, HRESI MS: High-resolution electrospray ionization mass spectrometry analysis, TLC: Thin layer chromatography, ORAC: Oxygen radical absorbance capacity, w/v: Weight per volume. PMID- 27867272 TI - Oryza sativa (Rice) Hull Extract Inhibits Lipopolysaccharide-Induced Inflammatory Response in RAW264.7 Macrophages by Suppressing Extracellular Signal-regulated Kinase, c-Jun N-terminal Kinase, and Nuclear Factor-kappaB Activation. AB - BACKGROUND: Rice (Oryza sativa) is a major cereal crop in many Asian countries and an important staple food source. Rice hulls have been reported to possess antioxidant activities. MATERIALS AND METHODS: In this study, we evaluated the antiinflammatory effects of rice hull extract and associated signal transduction mechanisms in lipopolysaccharide (LPS)-stimulated RAW 264.7 macrophages. RESULTS: We found that rice hull extract inhibited nitric oxide (NO) and prostaglandin E2 by suppressing the expression of inducible NO synthase and cyclooxygenase-2, respectively. The release of interleukin-1beta and tumor necrosis factor-alpha was also reduced in a dose-dependent manner. Furthermore, rice hull extract attenuated the activation of nuclear factor-kappa B (NF-kappaB), as well as the phosphorylation of mitogen-activated protein kinases, extracellular signal regulated kinase (ERK), and c-Jun N-terminal kinase (JNK), in LPS-stimulated RAW264.7 cells. CONCLUSION: This suggests that rice hull extract decreases the production of inflammatory mediators by downregulating ERK and JNK and the NF kappaB signal pathway in RAW 264.7 cells. SUMMARY: Rice hull extract inhibits the lipopolysaccharide-induced inflammatory response in RAW264.7 macrophages.Rice hull extract inhibited nitric oxide and prostaglandin E2 by suppressing the expression of inducible NO synthase and cyclooxygenase-2, respectively.Rice hull extract exerted anti-inflammatory effect through inhibition of nuclear factor kappa B, extracellular signal-regulated kinase and c-Jun N-terminal kinase signaling pathways.Rice hull extract may provide a potential therapeutic approach for inflammatory diseases. Abbreviations used: COX-2: cyclooxygenase-2, ERK: extracellular signal-regulated kinase, IkappaB: inhibitory kappa B, IL-1beta: interleukin-1beta, iNOS: inducible NO synthase, JNK: c-Jun N-terminal kinase, LPS: lipopolysaccharide, MAPKs: mitogen-activated protein kinases, NF-kappaB: nuclear factor-kappaB, NO: nitric oxide, PGE2: prostaglandin E2, RHE: rice hull extract, ROS: reactive oxygen species, TNF-alpha: tumor necrosis factor-alpha. PMID- 27867273 TI - Soyasaponin Bb Protects Rat Hepatocytes from Alcohol-Induced Oxidative Stress by Inducing Heme Oxygenase-1. AB - BACKGROUND: It has been known that oxidative stress induced by alcohol played a crucial role in the formation of alcoholic liver disease. Although the formation mechanisms underlying liver injury induced by alcohol still remained largely unknown, it has been considered that oxidative stress played a core role in the pathogenesis of hepatocyte damage. OBJECTIVE: The aim of this study was to investigate the effects of soyasaponin Bb (Ss-Bb) on oxidative stress in alcohol induced rat hepatocyte injury. RESULTS: It has been shown that the administration of Ss-Bb could significantly restore antioxidant activity in BRL 3A cells. Moreover, the impaired liver function and morphology changes resulting from ethanol exposure were improved by Ss-Bb treatment. Treatment with a pharmacological inhibitor of haem oxygenase-1 (HO-1) indicated a critical role of HO-1 in mediating the protective role. Finally, we found that pretreatment with Ss-Bb to ethanol exposure cells increased the expression level of HO-1. CONCLUSION: It was suggested that Ss-Bb may protect against alcohol-induced hepatocyte injury through ameliorating oxidative stress, and the induction of HO 1 was an important protective mechanism. SUMMARY: Effects of soyasaponin Bb was investigated on oxidative stress in rat hepatocytesCell viability and antioxidant capacities were evaluated to determine the effectsThe expression level of HO-1 was measured to reveal the proptective mechanisms. PMID- 27867274 TI - Pharmacognostical Analysis and Protective Effect of Standardized Extract and Rizonic Acid from Erythrina velutina against 6-Hydroxydopamine-Induced Neurotoxicity in SH-SY5Y Cells. AB - BACKGROUND: Erythrina velutina is a tree common in the northeast of Brazil extensively used by traditional medicine for the treatment of central nervous system disorders. OBJECTIVE: To develop a standardized ethanol extract of E. velutina (EEEV) and to investigate the neuroprotective potential of the extract and rizonic acid (RA) from E. velutina on neuronal cells. MATERIALS AND METHODS: The plant drug of E. velutina previously characterized was used for the production of EEEV. Three methods were evaluated in order to obtain an extract with higher content of phenols. The neuroprotective effect of standardized EEEV (HPLC-PDA) and RA was investigated on SH-SY5Y cell exposure to the neurotoxin 6 hydroxydopamine (6-OHDA). RESULTS: The powder of the plant drug was classified as moderately coarse and several quality control parameters were determined. EEEV produced by percolation gave the highest phenol content when related to others extractive methods, and its HPLC-PDA analysis allowed to identify four flavonoids and RA, some reported for the first time for the species. EEEV and RA reduced significantly the neurotoxicity induced by 6-OHDA in SH-SY5Y cells determined by the MTT assay and the nitrite concentration. EEEV also showed a free radical scavenging activity. CONCLUSION: This is the first pharmacological study about E. velutina which used a controlled standardized extract since the preparation of the herbal drug. This extract and RA, acting as an antioxidant, presents a neuroprotective effect suggesting that they have potential for future development as a therapeutic agent in neurodegenerative disease as Parkinson. SUMMARY: The powder of Erythrina velutina was classified as moderately coarse and several quality-control parameters were determined.Ethanolic extract from E. velutina (EEEV) produced by percolation gave the highest phenol content when related to others extractive methods and its HPLC-PDA analysis of EEEV allowed to identify four flavonoids and rizonic acid (RA), some reported for the first time for the species.The EEEV and RA reduced significantly the neurotoxicity induced by 6-OHDA in SH-SY5Y cells determined by the MTT assay and the nitrite concentration.The EEEV also showed a free radical scavenging activity. Abbreviations used: +/-: More or less, %: Percentage, degrees C: Degree Celsius, <: Less than, MUg: Microgram, MUL: Microliter, MUM: Micromol, [1D] MNR: One-dimensional nuclear magnetic resonance spectroscopy, [2D] MNR:Two-dimensional nuclear magnetic resonance spectroscopy, 6-OHDA: [6-] Hydroxydopamine. Abs: Absorbance, CFU: Colony forming units, CH2Cl2: Dichloromethane, CHCl3: Chloroform cmCentimeter, DMEM/F12: Dulbecco's Modified Eagle's Medium: Nutrient Mixture F-12. DMSO: Dimethyl sulfoxide, DPPH: 1,1-Diphenyl-2-picrylhydrazyl, EAG: Gallic acid equivalents, EEEV: Ethanolic extract of Erythrina velutina, EtOAc: Ethyl acetate, g: Gram, h: Hour, H2O: Water, HPLC: High-performance liquid chromatography, H REIMS: Hydrogen rapid evaporative ionization mass spectrometry, Kg: Kilogram M: Molar, m: Metro, MeOH: Methanol, mg: Milligram, min: Minute, mL: Milliliter, mm: Millimeter, MTT: Bromide 3 [4,5-dimethylthiazol-2-yl] -2,5-diphenyltetrazolium, N: Normal, NBT: Nitroblue tetrazolium, nm: Nanometer, PDA: Photodiode array detector, TPC: Total polyphenol content, RA: Rizonic acid, RP: Reverse phase, SOD: Superoxide dismutase, v/v: Volume per volume, Vs: Versus W: Watts. PMID- 27867275 TI - Improved Oral Bioavailability of Total Flavonoids of Dracocephalum moldavica via Composite Phospholipid Liposomes: Preparation, in-vitro Drug Release and Pharmacokinetics in Rats. AB - BACKGROUND: Dracocephalum moldavica L is a traditional Uygur medicine for centuries, total flavonoids extracted from Dracocephalum moldavica are the major active ingredients of herbs, which possesses significant medicinal values to treat coronart disease and hypertension, due to the glycosyl group on the ring, total flavonoids of Dracocephalum moldavica has low hydrophilic and poorly absorbed after oral administration, so one way is the formulation of poorly water soluble and permeabledrugs with lipids containing formulations such as Composite phospholipid liposomes to improve the absorption profile of drug. OBJECTIVES: To prepare composite phospholipid liposome (CPL) encapsulatetotal flavonoids extract from Dracocephalum moldavica (TFDM), determine its physicochemical properties, investigate its in-vitro release and evaluate the pharmacokinetics in Sprague Dawley (SD) rats to increase the bioavailability of TFDM-CPL. MATERIAL AND METHODS: The TFDMCPL was prepared by the method of ammonium sulfate transmembrane gradients. The CPL and TFDM were separated by Sephadex-G50 chromatography. The concentration of TFDM in the CPL was detected by HPLC, then the entrapment efficiency (EE) was evaluated. And the shape, particle size, zeta potential, drug release in vitro of TFDMCPL were investigated, and the pharmacokinetics was evaluated by rat jugular vein intubation tube in SD rats. RESULTS: The EE of TFDM was 84.17+/-2.2%, mean size of TFDMCPL was 136.2+/-3.7nm, polymey disperse index (PDI) was 0.158+/-0.015 and zeta potential was -19.8+/-1.2mV. TFDM-CPLwere found to enhance the release of drugs more effectively than TFDM based on the in vitro model and Following oral administration of TFDM, the plasma exposures of TFDM-CPL was significantly extended, and the mean concentration of TFDM-CPL was significantly higher compared to TFDM-solution. TheCmax, t1/2, AUC0-12 h values of TFDM for group of TFDM-CPL were siginificantly increased. CONCLUSION: The method of ammonium sulfate transmembrane gradients is suitable for preparingTFDM CPL. And TFDM-CPL have potential to be used to improve the bioavailability of poorly soluble drugs after oral administration. SUMMARY: For the first time, composite phospholipid liposomes (CPL) containing total flavonoids of Dracocephalum moldavica (TFDM) were developed by method of ammonium sulfate transmembrane gradients.The TFDM-CPL was a significant improvement in bioavailability compared to the TFDM-solution, with a 10-fold increase in relative bioavailability in vivo.The TFDM-CPL was still stable during storage at 4oC for 6 months. Abbreviations Used: CPL: composite phospholipid liposome.; TFDM: Total Flavonoids Extract from Dracocephalum moldavica; SD:Sprague-Dawley; EE:entrapment efficiency; PDI: polymey disperse index; TFDM-CPL: Total flavonoid extract from Dracocephalum moldavica - composite phospholipid liposome; DM: Dracocephalum moldavica L.; SPC: Soybean phospholipid; HSPC: Hydrogenated soya phosphatide; PBS: phosphate buffered saline; HPLC: high performance liquid chromatography; TEM: transmission electron microscopy; CMC-Na: Carboxy Methyl Cellulose-Natrium; AUC: area under the curve. PMID- 27867276 TI - Ursolic Acid, a Natural Pentacylcic Triterpene from Ochrosia elliptica and Its Role in The Management of Certain Neglected Tropical Diseases. AB - BACKGROUND: Leishmaniasis and African trypanosomiasis are recognized as the leading causes of mortality and morbidity with the greatest prevalence in the developing countries. They affect more than one billion of the poorest people on the globe. OBJECTIVE: To find a cheap, affordable, safe, and efficacious antileshmanial and antitrypanosomal natural drug and to elucidate its probable mode of action. MATERIALS AND METHODS: Phytochemical investigation of the non polar fraction of the methanol extract of leaves of Ochrosia elliptica Labill. (Apocyanaceae) resulted in the isolation of ursolic acid, which was unambiguously determined based on HR-ESI-FTMS, extensive 1D and 2D NMR spectroscopy. It was further tested for its cytotoxicity, antimicrobial, antimalarial, antileishmanial, and trypanocidal potency. in-silico molecular modeling studies were conducted on six vital parasitic enzymes including farnesyl diphosphate synthase, N-myristoyl transferase, pteridine reductase 1, trypanothione reductase, methionyl-tRNA synthetase, and inosine-adenosine-guanosine nucleoside hydrolase to discover its potential mode of action as antitrypanosomal and antileishmanial agent. RESULTS: Ursolic acid displayed considerable antitrypanosomal and antileishmanial activities with IC50 values ranging between 1.53 and 8.79 MUg/mL. It showed superior antitrypanosomal activity as compared to the standard drug difluoromethylornithine (DFMO), with higher binding affinities towards trypanothione reductase and pteridine reductase 1. It displayed free binding energy of -30.73 and -50.08 kcal/mole towards the previously mentioned enzymes, respectively. In addition, ursolic acid exhibited considerable affinities to farnesyl diphosphate synthase, N-myristoyl transferase and methionyl-tRNA synthetase with free binding energies ranging from -42.54 to 63.93 kcal/mole. CONCLUSION: Ursolic acid offers a safe, effective and cheap antitrypanosomal and antileishmanial candidate acting on several key parasitic enzymes. SUMMARY: The fresh leaves of Ochrosia elleptica Labill., family Apocyanaceae are a reliable source of ursolic acid.Ursolic acid displayed considerable antitrypanosomal and antileishmanial activities. It showed superior antitrypanosomal activity as compared to difluoromethylornithine (DFMO), potent antitrypanosomal reference drug.In silico molecular modeling studies revealed that the antileishmanial and antitrypanosomal activities of ursolic acid could be partially explained in view of its multiple inhibitory effects on vital parasitic enzymes with the highest potency exerted in the inhibition of pteridine reductase 1 and trypanothione reductase. Abbreviations used: AHT: African Human Trypanosomiasis, ATCC: American type cell culture, BuOH: n-butanol, DCM: dichloromethane, DFMO: difluoromethylornithine, EtOAc: ethyl acetate, FCS: fetal calf serum, HMBC: Heteronuclear Multiple Bond Correlation, HMQC: Heteronuclear Multiple-Quantum Correlation, HR-ESI-FTMS: High Resolution Electrospray ionozation Mass Spectrometry, MENA: Middle East and North Africa, MeOH: Methanol, MRSA: Methicillin-resistant Staphylococcus aureus, NTDs: Neglected tropical diseases, TLC: Thin layer chromatography, UA: Ursolic acid, UV: Ultra violet, WHO: World Health Organization. PMID- 27867277 TI - Characterization and Bioavailability Study of Baicalin-mesoporous Carbon Nanopowder Solid Dispersion. AB - BACKGROUND: Baicalin is the main bioactive constitute of the dried roots of Scutellaria baicalensis and possesses various biological activities. However, the poor water solubility and low oral bioavailability limit its efficacy. OBJECTIVE: The present study was conducted to enhance the dissolution and oral bioavailability of baicalin (BA) through a novel mesoporous carbon nanopowder (MCN) drug carrier. MATERIALS AND METHODS: Solid dispersions (SDs) of BA with MCN were prepared using a solvent evaporation method. The physical state of the formulations was investigated using SEM, differential scanning calorimetry (DSC) and powder X-ray diffraction (XRD). The pharmaceutical performance of pure BA, physical mixture (PM) and SDs was evaluated by performing an in-vitro dissolution test. The pharmacokinetic studies were conducted in SD rats and the analysis of the biological samples was performed on an Acquity UPLC-MS system. The intestinal and renal toxicity test of MCN was also evaluated. RESULTS: The drug release profile indicated that the BA dissolution rate from SDs with a BA/MCN ratio of 1:6 greatly increased in comparison with that of the pure crystalline drug. Furthermore, a pharmacokinetic analysis in rats showed that the BA area under the concentration-time curve for SDs of MCN/BA was 1.83 times larger than that of pure BA. In comparison with the pure drug, the MCN-BA system significantly shortened the time to Tmax and generated higher Cmax. There was no intestinal and renal toxicity of MCN. CONCLUSION: These results indicated that the oral bioavailability of BA was remarkably improved by the MCN carrier. Additionally, intestinal toxicity test showed that MCN produced no toxicity in the gastrointestinal tract. Our results show that MCN-based SDs could be used to enhance the bioavailability of drugs with poor water solubility. SUMMARY: The drug release profile indicated that the BA dissolution rate from SDs with a BA/MCN ratio of 1:6 greatly increased in comparison with that of the pure crystalline drug.Furthermore, a pharmacokinetic analysis in rats showed that the BA area under the concentration-time curve for SDs of MCN/BA was 1.83 times larger than that of pure BA.In comparison with the pure drug, the MCN-BA system significantly shortened the time to Tmax and generated higher CmaxAbbreviations used: BA: baicalin, MCN: mesoporous carbon nanopowder, SDs: solid dispersions, SEM: scanning electron microscopy, DSC: differential scanning calorimetry, XRD: powder X-ray diffraction, HPLC: high-performance liquid chromatography, PM: physical mixture, S.D.: standard deviation, ANOVA: analysis of variance, RSD: relative standard deviation, ESI: electrospray ionization, IS: internal standard, MRM: multiple reaction monitoring. PMID- 27867278 TI - Effect of Methanolic Leaf Extract of Talinum triangulare (Jacq). Willd. on Biochemical Parameters in Diet induced Dyslipidemia Wistar Rats. AB - OBJECTIVE: To investigate the effect of methanolic leaf extract of Talinum triangulare on hematological parameters, enzymatic and non-enzymatic antioxidant status, and serum lipid in Wistar rats fed standard laboratory, or 2% cholesterol enrich diet. MATERIAL AND METHODS: Wistar rats (180-210g) divided into six groups of six animals (males) each were fed 2% cholesterol-enriched diet and orally treated with 0.9% saline or extract of Talinum triangulare (250, 500, and 1000 mg/kg per body weight) daily for eight weeks. Lipid profile, lipid peroxidation (MDA), hematological parameters, and their functional indices and serum antioxidant enzymes (catalase, glutathione -S-transferase, and superoxide dismutase) activities and glutathione status were assessed in normal and diet induced hypercholesterolemic extract treated rats and compared with the rats treated with 100 mg/kg per bwt standard drug gemfibrozil. RESULTS: A significant (P < 0.05) increase in lipid profile (total glyceride, total cholestrol, low density lipoprotein, and very low-density lipoprotein), MDA and reduction (P < 0.05) in enzymatic and nonenzymatic antioxidant status coupled with alterations in hematological parameters was observed in the serum of hypercholesterolemic rats when compared with animals on a normal diet. Coadministration of methanolic leaf extracts of Talinum triangulare or gemfibrozil significantly (P < 0.05) restored the elevated serum lipid profile, MDA, and the deranged hematological parameters to near normal. The extract also protected against hypercholesterolemic-induced diminished enzymatic and nonenzymatic antioxidant status. The activities of the plant extract are dose (250, 500, and 1000 mg/kg) dependent and it compared favorably with the standard drug gemfibrozil. CONCLUSION: The present study suggested that the extract of Talinum triangulare might protect against hypercholesterolemic-induced altered lipid profiles, oxidative stress, and also improve the status of antioxidant defense system and hematopoiesis. SUMMARY: Elevated lipid profile (total glyceride, total cholestrol, low-density lipoprotein, and very low-density lipoprotein), lipid peroxidation (MDA), and reduced enzymatic and nonenzymatic antioxidant status coupled with alterations in hematological parameters was observed in the serum of hypercholesterolemic rats when compared with animals on a normal dietCoadministration of methanolic leaf extracts of Talinum triangulare significantly (P < 0.05) restored the elevated serum lipid profile, MDA, and the deranged hematological parameters to near normal.The extract also protected against hypercholesterolemic-induced diminished enzymatic and bnonenzymatic antioxidant status.The activities of the plant extract was dose-dependent and it compared favorably with the standard drug gemfibrozil. Abbreviations used: Lipid peroxidation (MDA), (catalase (CAT), glutathione-S-transferase (GST), superoxide dismutase (SOD), glutathione (GSH), Thrombocytes indices (PLT), Red blood cell (RBC), Packed cell volume (PVC), Mean corpuscular hemoglobin(MCH), Mean corpuscular hemoglobin concentration (MCHC), Total glyceride (TG), Very low density lipoprotein (VLDL), Total cholesterol (TC), Low density lipoprotein (LDL), High density lipoprotein (HDL) and 3-Hydroxy-3-methyl-glutaryl-CoA reductase(HMG-CoA). PMID- 27867279 TI - Noise Shaping in Neural Populations with Global Delayed Feedback. AB - The interplay between intrinsic and network dynamics has been the focus of many investigations. Here we use a combination of theoretical and numerical approaches to study the effects of delayed global feedback on the information transmission properties of neural networks. Specifically, we compare networks of neurons that display intrinsic interspike interval correlations (nonrenewal) to networks that do not (renewal). We find that excitatory and inhibitory delays can tune information transmission by single neurons but not by the entire network. Most surprisingly, addition of a delay can change the dependence of the information on the coupling strength for renewal neurons and not for nonrenewal neurons. Our results show that intrinsic ISI correlations can have nontrivial interactions with network-induced phenomena. PMID- 27867280 TI - Anti-cancerous triterpenoid saponins from Lecaniodiscus cupanioides. AB - From the ethanol extract of the stem of Lecaniodiscus cupanioides Planch, two known compounds 1 and 2 were isolated and identified as triterpenoid saponins 3-O [alpha-L-arabinofuranosyl- (1->3)-alpha-L-rhamnopyranosyl- (1->2)-alpha-L arabinopyranosyl-]-hederagenin and 3-O- [alpha-L-arabinopyranosyl- (1->3)-alpha-L rhamnopyranosyl (1->2)-alpha-L-arabinopyranosyl-]-hederagenin. The structures were established by physicochemical and spectroscopic investigations (MS and NMR) as well as comparison of literature data. The compound 1 exhibited anticancer activity against human colon carcinoma H-116, human lung carcinoma A-549 and human lung carcinoma HT-29 cell lines with IC50 5.0, 2.5 and 2.5MUg/ml respectively and compound 2 exhibited similar activities with IC505.0, 5.0 and 2.5MUg/ml respectively. This suggests that the isolated triterpenoid saponins may be considered as potential anticancer leads for further studies. PMID- 27867281 TI - Visiting Mom: A pilot evaluation of a prison-based visiting program serving incarcerated mothers and their minor children. AB - We describe an evaluation of a prison visiting program, Extended Visiting (EV), for incarcerated mothers and their children. Mothers (N = 24) and caregivers (N = 19) were interviewed regarding experiences with the program. Mothers identified benefits including maintaining a relationship with children, physical contact, motivation, privacy, peer support, and personal growth. Caregivers echoed mothers' appreciation for the opportunity to maintain mother-child relationships and physical contact. Mothers identified barriers including desire for overnight visits and more age-appropriate activities. Caregivers perceived travel time and costs and children's adverse reactions as barriers. When comparing EV to typical visiting, participants unanimously preferred EV. PMID- 27867282 TI - Is group singing special? Health, well-being and social bonds in community-based adult education classes. AB - Evidence demonstrates that group singing improves health and well-being, but the precise mechanisms remain unknown. Given that cohesive social networks also positively influence health, we focus on the social aspects of singing, exploring whether improvements in health and well-being are mediated by stronger social bonds, both to the group as a whole (collective-bonding) and to individual classmates (relational-bonding). To do so, seven newly-formed community-based adult education classes (four singing, N=84, and three comparison classes studying creative writing or crafts, N=51) were followed over seven months. Self report questionnaire data on mental and physical health, well-being, and social bonding were collected at Months 1, 3 and 7. We demonstrate that physical and mental health and satisfaction with life significantly improved over time in both conditions. Path analysis did not show any indirect effects via social bonding of Condition on health and well-being. However, higher collective-bonding at timepoint 3 significantly predicted increased flourishing, reduced anxiety and improved physical health independently of baseline levels. In contrast, relational-bonding showed no such effects, suggesting that it is feeling part of a group that particularly yields health and well-being benefits. Moreover, these results indicate that singing may not improve health and well-being more than other types of activities. Nonetheless, these findings encourage further work to refine our understanding of the social aspects of community-based adult education classes in promoting health, well-being and community cohesion. PMID- 27867283 TI - From 'Virgin Births' to 'Octomom': Representations of Single Motherhood via Sperm Donation in the UK News. AB - The use of sperm donation by single women has provoked public, professional and political debate. Newspapers serve as a critical means of both broadcasting this debate and effecting a representation of this user group within the public sphere. This study uses the theory of social representations to examine how single motherhood by sperm donation has been represented in the UK news over time. The study sampled news coverage on this topic in eight British newspapers during three 4-year periods between the years 1988 and 2012. The dataset of news reports (n = 406) was analysed using a qualitative approach. Findings indicated that UK media reports of single women using donor sperm are underpinned by conventional categories of the 'personal', the 'traditional' and the 'natural' that when paired with their corollaries produce a representation of this user group as the social 'other'. The amount of coverage on this topic over time was found to vary according to the political orientation of different media sources. Using key concepts from social representations theory, this article discusses the relationship between themata and anchoring in the maintenance of representations of the social 'other' in mass mediated communication. Findings are explained in relation to theoretical conceptions of the mass media and its position within the public sphere. It is argued that the use of personal narratives in news reports of single mothers by sperm donation may have significant implications for public understandings of this social group. (c) 2016 The Authors. Journal of Community & Applied Social Psychology published by John Wiley & Sons Ltd. PMID- 27867284 TI - EkoSonic Thrombolysis as a Therapeutic Adjunct in Venous Occlusive Disease. AB - The use of ultrasound waves in conjunction with local thrombolysis may accelerate clot resolution and serve as an important therapeutic adjunct in the treatment of venous occlusive disease. Our goal was to provide a larger sample population over a 5-year period to evaluate our experience with the EkoSonic endovascular system (EKOS, EKOS Corporation, Bothell, WA). We suspected that ultrasound-accelerated thrombolysis (UAT) using EKOS would provide excellent thrombolysis and midterm patency rates with minimal thrombolytic complications. A retrospective study was conducted to provide a case series with UAT using EKOS. Data were collected over a 5-year period. Primary end points included degree of thrombolysis. Secondarily, we analyzed thrombolytic usage, complication rates, and midterm patency, over a 1 year period. A total of 48 limbs were treated with UAT. Forty cases were diagnosed as acute, whereas the remaining 8 were chronic. Complete thrombolysis was successful in 38/48 (79%) of patients, and partial thrombolysis was accomplished in 10/48 (21%) of patients. Overall mean infusion time was 22.4 hours +/-3.6. There were a total of three complications (6%), all of which were minor bleeding. One-year patency was shown to be 87% with no signs of valvular reflux. UAT using EKOS demonstrated effective rates of thrombolysis with very few complications. In addition, our 1-year patency rates were comparable to published data using conventional catheter-directed thrombolysis. UAT provides lytic therapy by utilizing the benefits of ultrasonic waves to help augment the fibrinolytic process. Our institution currently favors the use of EKOS as the treatment of choice in patients that are appropriate thrombolytic candidates. PMID- 27867285 TI - Lower Platelet Reactivity Is Associated with Presentation of Unstable Coronary Artery Disease. AB - In patients with acute coronary syndrome, high platelet reactivity (PR) is associated with an increased risk of secondary thrombotic events. However, in patients undergoing elective percutaneous coronary intervention (PCI), no association between high PR and outcome has been demonstrated. At present, the relation of PR and clinical symptoms is unknown. To examine the association of PR with clinical indication for diagnostic angiography (stable or unstable coronary artery disease [CAD]), taking into account the influence of P2Y12 inhibitors. A platelet function score (PFS) was determined in 195 patients by quantifying fibrinogen binding and P-selectin expression with flow cytometry. We evaluated the PFS with clinical presentation of stable or unstable CAD, angiographic severity of CAD, and the incidence of cardiovascular events during 2 years of follow-up. All data were analyzed stratified by P2Y12 inhibitor use (long-term and preprocedural versus none). Surprisingly, among non-P2Y12 inhibitor users, the PFS was lower in patients with unstable CAD compared with stable CAD (5.6 +/- 1.8 vs. 7.4 +/- 1.6; p = 0.001). Angiographic CAD severity showed no relation with PFS. The SYNTAX score tended to be inversely related with PFS: low PFS, 13.2 (IQR, 11.9-19.1); median PFS, 10.0 (IQR, 5.0-14.0); and high PFS, 8.0 (IQR, 5.0 13.0), without significance (p = 0.304). Patients with low PFSs required more re PCIs than those with median and high PFSs (11.1 vs. 4.7 vs. 0.0%, p = 0.004). This association was modified for patients using P2Y12 inhibitors. Among patients without P2Y12 inhibitors undergoing coronary angiography, presentation of unstable CAD is independently associated with lower PR. PMID- 27867286 TI - Basilic Vein Elevation for Arteriovenous Fistula Creation: Results of 60 Cases Following 1 Year. AB - Basilic vein elevation (BVE) is a procedure where the basilic vein (BV) is surgically exposed, mobilized, and elevated into a more superficial position for the purpose of facilitating arteriovenous fistula (AVF) cannulation. The purpose of this study is to review the use of BVE as an adjunct to fistula maturation. Between January 2009 and December 2013, 60 patients received BVE. After performing the anastomosis between brachial artery and BV, the elevated vein was placed just anterior to the surgical incision, 3 to 4 mm deep. Patients' morbidity, mortality, and patency rates were evaluated. The 90-day mortality was 0%. Maturation rates were 91.6%. The mean time to maturation was 52 days (range, 25-75 days). Primary patency rate at 12 months was 90% and secondary patency rate was 95%. The mean vein size was 4.5 +/- 0.5 mm. AVF surgery via BVE offers satisfactory results in patients with chronic hemodialysis. PMID- 27867287 TI - Atherosclerosis in Psoriatic Arthritis: A Multiparametric Analysis Using Imaging Technique and Laboratory Markers of Inflammation and Vascular Function. AB - Cardiovascular disease is one of the leading causes of death in psoriatic arthritis (PsA). Pathogenesis of accelerated atherosclerosis in PsA remains to be elucidated. Endothelial dysfunction (ED) often precedes manifesting atherosclerosis. This study aims to assess carotid intima-media thickness (CIMT), a marker of atherosclerosis in PsA, in context of markers of inflammation and vascular function. A cross-sectional study was performed in 18 PsA patients who were compared with 18 controls matched for age and sex. Flow-mediated dilatation (FMD) assessed by AngioDefender (Everist Health, Ann Arbor, MI), endothelial progenitor cells (EPCs) quantified by flow cytometry and CIMT measured ultrasonographically. Inflammatory measures included disease activity score of 28 joints count and disease activity index in psoriatic arthritis. We also assayed markers of inflammation, including C-reactive protein (CRP), erythrocyte sedimentation rate (ESR), proinflammatory cytokines (interleukin [IL]-1, IL-6, and tumor necrosis factor [TNF]-alpha), and endothelial dysfunction, including lipids, intercellular adhesion molecule 1 (ICAM-1), vascular cell adhesion molecule 1 (VCAM-1), and EPCs. CIMT is significantly higher in PsA patients compared with controls (0.062 +/- 0.18 vs. 0.045 +/- 0.10 cm, p < 0.01) whereas FMD%, EPCs%, and high-density lipoproteins (HDL) cholesterol are significantly reduced in PsA compared with controls (p < 0.05). Compared with controls, PsA patients had significantly increased concentrations of ESR, CRP, TNF-alpha, IL-6, ICAM-1, and VCAM-1. In PsA, CIMT positively correlated with IL-6 and ICAM-1 and inversely correlated with FMD, HDL, and EPCs (p < 0.05). In PsA, FMD and CIMT were impaired, indicating endothelial dysfunction and accelerated atherosclerosis, respectively. PsA-related inflammatory mechanisms (TNF-alpha, IL 6) and markers of vascular function (CRP, ICAM-1, and EPCs) may all be involved in the development of vascular disease in PsA. Cytokine-triggered inflammation upregulates expression of adhesion molecules, depletes EPCs with endothelial dysfunction, and increased CIMT in PsA. PMID- 27867288 TI - Visual-Functional Mismatch Between Coronary Angiography, Fractional Flow Reserve, and Quantitative Coronary Angiography. AB - Anatomical and functional mismatches are not uncommon in the assessment of coronary lesions. The aim of this study was to identify clinical and lesion specific factors affecting angiographic, anatomical, and functional mismatch in intermediate coronary lesions. In patients who underwent coronary angiography for clinical reasons, fractional flow reserve (FFR), and quantitative coronary angiography (QCA) analyses for intermediate stenotic lesions were performed simultaneously. Mismatches between the measured values were analyzed. A total of 95 intermediate lesions were assessed simultaneously by visual angiography, FFR, and QCA. The visual-FFR mismatch was found in 40% of the lesions while reverse visual-FFR mismatch was determined in nearly 14% of the lesions. Mismatch and reverse mismatch between FFR and QCA parameters were observed in 10 and 23% of the lesions. FFR value was significant in 32% of the lesions while visually significant stenosis was shown in 61% of the lesions. Among the visual-FFR reverse mismatch group, the prevalence of culprit lesions within the left anterior descending (LAD) was significantly higher than other vessels (p value < 0.02). There were high frequencies of angiographic, QCA, and functional mismatches in analyses of intermediate coronary lesions. LAD lesions showed the highest mismatch. Angiographic or QCA estimation of lesion severity has consistently resulted in inappropriate stenting of functionally nonsignificant lesions or undertreatment of significant lesions based on FFR. PMID- 27867289 TI - Amplatzer Cardiac Plug for Stroke Prevention in Patients with Atrial Fibrillation and Bigger Left Atrial Appendix Size. AB - Left atrial appendage (LAA) dimensions have been shown as an independent predictor of higher risk for stroke in AF patients. Little data exist on the outcomes after LAA closure in patients with nonvalvular atrial fibrillation (NVAF) who have relatively bigger LAA size. This study aims to evaluate the results associated with LAA closure with the Amplatzer cardiac plug (ACP, AGA, St. Jude Medical, Minneapolis, MN) in bigger LAA size. A total of 25 patients with NVAF underwent LAA closure with the ACP device. All patients received short term (up to 3 months) dual-antiplatelet therapy (clopidogrel and aspirin) after the procedure and aspirin only thereafter. A transesophageal echocardiography was performed in all patients at the 3- and 6-month follow-ups. No patient was lost to follow-up (>= 12 months in all patients). The mean age, CHA2DS2-VASc score, and HAS-BLED score were 66.2 +/- 8.79 years; 3.2 +/- 1.46 and 2.4 +/- 1.0, respectively. The average sizes of the LAA landing zone and ostium were 23.08 +/- 5.0 and 24.9 +/- 4.4 mm, respectively. The procedure was successful in 23 (92%) patients and was canceled in 2 (8%) patients due to huge LAA dimensions. In 56% of the patients "pull and release" technique is needed to appropriately implant the ACP. During a mean follow-up of 12 months, no cases of periprocedural stroke and no mortality were observed. In patients with NVAF at high risk of cardioembolic events and big LAA size, LAA closure using the ACP device is safe and effective. PMID- 27867290 TI - Ranolazine is an Effective and Safe Treatment of Adults with Symptomatic Premature Ventricular Contractions due to Triggered Ectopy. AB - Early and delayed afterdepolarizations (EAD/DAD) cause triggered ventricular ectopy. Because ranolazine (RAN) suppresses EAD/DAD, we postulated that RAN might be effective in reducing premature ventricular contractions (PVCs). To assess the effect of RAN in patients with symptomatic PVCs due to triggered ectopy and its safety and tolerability. A total of 59 patients with symptomatic PVCs were identified from full-disclosure Holters. Doses of 500 and 1,000 mg offlabel RAN, daily, were given to 34 and 66% patients, respectively, and repeat Holters were performed prospectively during mean followup of 3.1 months. The two Holters were retrospectively compared. Congestive heart failure (CHF) was defined as symptoms including dyspnea, orthopnea, paroxysmal nocturnal dyspnea, and fatigue, with a brain natriuretic peptide > 400. Systolic (heart failure with reduced ejection fraction) versus diastolic (heart failure with preserved ejection fraction, HFpEF) CHF depended upon an echocardiographic left ventricular ejection fraction (LVEF) at least 50% by apical two- and four-chamber Simpson's method (HFpEF). The mean age of the patients was 63 years, 60% were males, mean left ventricular ejection fraction was 60%, with 34% having coronary artery disease, 73% were hypertensive, 24% had type 2 diabetic, and 34% were on beta blockers. Upon repeat Holters at a mean of 3.1 months after initiating RAN, 95% (56/59) of the patients had their PVC count reduced as follows: 24% (14/59) had more than 90% decrease, 34% (20/59) had 71 to 90% decrease, and 17% (10/59) had 50 to 70% decrease. In the entire group, RAN reduced PVCs by 71% (mean: 13,329 to 3,837; p < 0.001). Ventricular bigeminy was reduced by 80% (4,168 to 851; p < 0.001), ventricular coupletswere reduced by 78% (374 to 81; p < 0.001), and ventricular tachycardiawas reduced by 91% (56 to 5; p < 0.001). The PVC reduction was dose dependent. Off-label RAN offers an effective and safe pharmacologic treatment for symptomatic triggered PVCs. A large, prospective randomized study is needed. PMID- 27867291 TI - Ubiquitous Nature of Distal Athero/Thromboembolic Events during Lower Extremity Atherectomy Procedures Involving the Superficial Femoral Artery. AB - This study aims to evaluate occurrence, size, composition, and clinical significance of embolized debris during superficial femoral artery atherectomy using all commercially available atherectomy devices. Distal athero/thromboembolic events (DATE) are a universal phenomenon in lower extremity atherectomy procedures (LEAPs) due to the sheer volume of atheroma and the thrombus burden in peripheral arterial disease. Some of these events can be clinically significant. We prospectively gathered clinical and histopathological data on all commercially available atherectomy devices by using embolic protection devices (EPD) in every case. After intervention, the contents of EPD were examined both microscopically and macroscopically. Data from 59 consecutive patients undergoing LEAP were analyzed. DATE occurred 100% of the time. The composition of particulate debris varied with the device used. Grossly visible agglomerated debris was captured by the filter in the majority of patients 54/59 (91.5%). Clinically significant debris, defined by the Preventing Lower Extremity Distal Embolization Using Embolic Filter Protection registry as particle diameter > 0.2 cm, was found in 33/59 (56%) patients. The size of captured debris particles ranged from 0.1 to 2.4 mm. While DATE occurred in all patients, clinically significant DATE occurred in 56% patients undergoing LEAP regardless of the atherectomy device. In spite of a large fraction of the clinically significant debris occurring on our routine dual antiplatelet regimen, no patient suffered an amputation. Although DATE was prevented by the use of EPD in all 59 cases, more data are needed to determine whether the use of EPD translates into a long-term clinical benefit. Use of EPD and optimal thromboprophylaxis should be considered in patients, especially in the setting of compromised distal runoff. PMID- 27867292 TI - New Impella Cardiac Power Device Used in Patient with Cardiogenic Shock due to Nonischemic Cardiomyopathy. AB - The new percutaneous Impella CP (Cardiac Power; Abiomed, Inc., Danvers, MA) was designed to provide a higher level of support than Impella 2.5 (Abiomed, Inc.). We present the first documented case of a patient that was transitioned from the Impella 2.5 to Impella CP. A 48-year-old male patient with no medical history was transferred to our institution with a one day history of worsening shortness of breath. The patient was unstable and found to have monomorphic ventricular tachycardia at 220 beats/min that was cardioverted to normal sinus rhythm. An emergent right and left heart catheterization was performed showing nonobstructive coronary artery disease, biventricular failure with a left ventricular ejection fraction (LVEF) of 5 to 10%, high pulmonary capillary wedge pressure (PCWP) 22 mm Hg, right atrial (RA) pressure 22 mm Hg, and a very low cardiac index of 1.0 L/min/m2. Because of severe cardiogenic shock, Impella 2.5 was inserted providing flow up to 2.1 L/min; however, the patient remained unstable and critically ill with severe multiorgan failure. To provide better mechanical support, the device was upgraded to the new Impella CP that can provide up to 3.5 L/min of cardiac output. Over the course of the next 72 hours, the patient showed significant improvement in hemodynamics and cardiac function (LVEF 45%), with recovery of liver function. The Impella CP was removed with no complications. The new Impella CP was shown to be safe and effective for prolonged use in critically ill patients and may significantly improve their prognosis. PMID- 27867293 TI - Type VI Choledochal Cyst-An Unusual Presentation of Jaundice. AB - Choledochal cysts involving the cystic duct are extremely rare, and are usually associated with cystic dilatations of the extrahepatic biliary tract. We describe a patient who presented with jaundice and was found to have a dilatation of the common bile duct on computed tomographic imaging, consistent with a choledochal cyst. He underwent a laparoscopic-converted-to-open cholecystectomy with excision of the choledochal cyst which was found to involve the cystic duct. Choledochal cysts involving the cystic duct are notably missing from the Todani classification. Although exceedingly rare, new cases of these types of cysts are being reported, in part due to advancement of diagnostic imaging modalities. We discuss the current classification scheme for choledochal cysts and we propose an expansion of this scheme. PMID- 27867294 TI - Novel Technique to Treat Common Femoral Artery Pseudoaneurysm using Angio-Seal Closure Device. AB - Iatrogenic common femoral artery pseudoaneurysm is a well-described vascular access complication. Several methods have been proposed to treat these pseudoaneurysms. In this report, we present three cases of successful pseudoaneurysm closure using a novel method of retrograde pseudoaneurysm access and thrombosis with Angio-Seal (St Jude Medical, St Paul, MN) closure device. This technique appears safe, effective, and reduces patient discomfort. PMID- 27867295 TI - Siblings' Perceptions of Differential Treatment, Fairness, and Jealousy and Adolescent Adjustment: A Moderated Indirect Effects Model. AB - Youth's perception of parents' differential treatment (PDT) are associated with maladjustment during adolescence. Although the direct relations between PDT and youth's maladjustment have been well established, the mechanisms underlying these associations remain unclear. We addressed this gap by examining whether sibling jealousy accounted for the links between PDT and youth's depressive symptoms, self-worth, and risky behaviors. Additionally, we examined whether youth's perceptions of fairness regarding their treatment as well as the gender constellation of the dyad moderated these indirect relations (i.e., moderated indirect effects). Participants were first- and second-born adolescent siblings (M = 15.96, SD = .72 years for older siblings, M = 13.48, SD = 1.02 years for younger siblings) and their parents from 197 working and middle class European American families. Data were collected via home interviews. A series of Conditional Process Analyses revealed significant indirect effects of PDT through sibling jealousy to all three adjustment outcomes. Furthermore, perceptions of fairness moderated the relations between PDT and jealousy, such that the indirect effects were only significant at low (-1 SD) and average levels of fairness. At high levels of fairness (+1 SD) there was no association between PDT, jealousy, and youth adjustment. Taken together, results indicate that youth and parents would benefit from engaging in clear communication regarding the reasoning for the occurrence of differential treatment, likely maximizing youth and parent perceptions of that treatment as being fair, and in turn mitigating sibling jealousy and maladjustment. PMID- 27867296 TI - Micropositioning and Control of an Underactuated Platform for Microscopic Applications. AB - For automation of biological experiments at the micro-scale, highly precise manipulator equipped with a microscope is required. However, current micropositioning stages have several limitations, such as: 1) manual operation, 2) lack of rotational capability, 3) incompatibility with a microscope, and 4) small range of motion (RoM). This research aims to develop a microscope compatible XYtheta micropositioning stage with large RoM for phenotyping multiple biological samples rapidly for various microscopic applications. An underactuated planar mechanism, kinematic analysis, and control of the XYtheta stage are presented in this paper. The planar mechanism consists of two piezoelectric linear actuators for translational motion capability and two passive revolute joints at the tip of each linear actuator for rotational capability. Based on the kinematic analysis of the stage, controllability and control strategy of the underactuated stage is described. Finally, the feasibility of the micropositioning stage for a general positioning and orienting task is verified by both simulation and tissue core experiments. PMID- 27867298 TI - Prophylactic Bilateral Nipple-sparing Mastectomy and a Staged Breast Reconstruction Technique: Preliminary Results. AB - More high-risk women with breast cancer are identified using genetic testing at a younger age. These young women often opt for prophylactic surgery. Most patients are reluctant for extra donor-site scars besides infections and necrosis. In order to reduce these risks, a two-stage breast reconstruction technique is used for high-risk women with large or ptotic breasts. We presume that this procedure will reduce the risk of skin envelope and nipple-areola complex (NAC) necrosis to less than 1%. In the first stage, an inferior pedicle reduction is performed to obtain large volume reduction with maximal safety for the NAC. The ptosis, skin excess, and malpositioning of the NAC are corrected safely at this stage. In the second stage, the skin-sparing mastectomy is performed with or without nipple sparing. During this procedure, the areola is never removed. A bilateral breast reconstruction is then performed with an immediate subpectoral prothesis or delayed with the use of a subpectoral tissue expander. In this way, we aim to meet the patient's wish to undergo bilateral risk reducing mastectomy in breasts that need ptosis correction without donor-site scarring. This article describes the procedure and reports the preliminary data. PMID- 27867297 TI - Soil stabilization linked to plant diversity and environmental context in coastal wetlands. AB - BACKGROUND: Plants play a pivotal role in soil stabilization, with above-ground vegetation and roots combining to physically protect soil against erosion. It is possible that diverse plant communities boost root biomass, with knock-on positive effects for soil stability, but these relationships are yet to be disentangled. QUESTION: We hypothesize that soil erosion rates fall with increased plant species richness, and test explicitly how closely root biomass is associated with plant diversity. METHODS: We tested this hypothesis in salt marsh grasslands, dynamic ecosystems with a key role in flood protection. Using step wise regression, the influences of biotic (e.g. plant diversity) and abiotic variables on root biomass and soil stability were determined for salt marshes with two contrasting soil types: erosion-resistant clay (Essex, southeast UK) and erosion-prone sand (Morecambe Bay, northwest UK). A total of 132 (30-cm depth) cores of natural marsh were extracted and exposed to lateral erosion by water in a re-circulating flume. RESULTS: Soil erosion rates fell with increased plant species richness (R2 = 0.55), when richness was modelled as a single explanatory variable, but was more important in erosion-prone (R2 = 0.44) than erosion resistant (R2 = 0.18) regions. As plant species richness increased from two to nine species.m-2, the coefficient of variation in soil erosion rate decreased significantly (R2 = 0.92). Plant species richness was a significant predictor of root biomass (R2 = 0.22). Step-wise regression showed that five key variables accounted for 80% of variation in soil erosion rate across regions. Clay-silt fraction and soil carbon stock were linked to lower rates, contributing 24% and 31%, respectively, to variation in erosion rate. In regional analysis, abiotic factors declined in importance, with root biomass explaining 25% of variation. Plant diversity explained 12% of variation in the erosion-prone sandy region. CONCLUSION: Our study indicates that soil stabilization and root biomass are positively associated with plant diversity. Diversity effects are more pronounced in biogeographical contexts where soils are erosion-prone (sandy, low organic content), suggesting that the pervasive influence of biodiversity on environmental processes also applies to the ecosystem service of erosion protection. PMID- 27867300 TI - QUIC Transport and Dispersion Modeling of Vehicle Emissions in Cities for Better Public Health Assessments. AB - The Quick Urban and Industrial Complex (QUIC) plume modeling system is used to explore how the transport and dispersion of vehicle emissions in cities are impacted by the presence of buildings. Using downtown Philadelphia as a test case, notional vehicle emissions of gases and particles are specified as line source releases on a subset of the east-west and north-south streets. Cases were run in flat terrain and with 3D buildings present in order to show the differences in the model-computed outdoor concentration fields with and without buildings present. The QUIC calculations show that buildings result in regions with much higher concentrations and other areas with much lower concentrations when compared to the flat-earth case. On the roads with vehicle emissions, street level concentrations were up to a factor of 10 higher when buildings were on either side of the street as compared to the flat-earth case due to trapping of pollutants between buildings. However, on roads without vehicle emissions and in other open areas, the concentrations were up to a factor of 100 times smaller as compared to the flat earth case because of vertical mixing of the vehicle emissions to building height in the cavity circulation that develops on the downwind side of unsheltered buildings. QUIC was also used to calculate infiltration of the contaminant into the buildings. Indoor concentration levels were found to be much lower than outdoor concentrations because of deposition onto indoor surfaces and particulate capture for buildings with filtration systems. Large differences in indoor concentrations from building to building resulted from differences in leakiness, air handling unit volume exchange rates, and filter type and for naturally ventilated buildings, whether or not the building was sheltered from the prevailing wind by a building immediately upwind. PMID- 27867299 TI - Circulating Phospholipids as Biomarkers of Breast Cancer: A Review. AB - Breast cancer is the most common cancer in women and the second leading cause of cancer deaths in women. The key to surviving breast cancer is early detection and treatment. Current technologies rely heavily on imaging of the breast, and although considered the gold standard, they have their limitations. There is a need for a more accurate screening test for women of all ages, which can detect the cancer at a cellular level and before metastasis. There have been extensive studies into markers for breast cancer including protein and nucleic acid biomarkers, but to date, these have been unsuccessful. A growing field of interest is the association between breast cancer (tissue and cells) and lipids, which is documented in the literature, and may be considered as a leading candidate in the breast cancer detection space. PMID- 27867301 TI - Perioperative Evaluation of Patients with Pulmonary Conditions Undergoing Non Cardiothoracic Surgery. AB - This review describes the perioperative management of patients with suspected or established pulmonary conditions undergoing non-cardiothoracic surgery, with a focus on common pulmonary conditions such as obstructive airway disease, pulmonary hypertension, obstructive sleep apnea, and chronic hypoxic respiratory conditions. Considering that postoperative pulmonary complications are common and given the increasing number of surgical procedures and the size of the aging population, familiarity with current guidelines for preoperative risk assessment and intra- and postoperative patient management is recommended to decrease the morbidity and mortality. In particular, smoking cessation and pulmonary rehabilitation are perioperative strategies for improving patients' short- and long-term outcomes. Understanding the potential risk for pulmonary complications allows the medical team to appropriately plan the intra- and postoperative care of each patient. PMID- 27867303 TI - DNA Methylation of Cellular Retinoic Acid-Binding Proteins in Cervical Cancer. AB - This study determined the methylation status of cellular retinoic acid-binding protein (CRABP) gene promoters and associated them with demographic characteristics, habits, and the presence of human papilloma virus (HPV) in patients with cervical cancer (CC), low and high squamous intraepithelial lesions, and no intraepithelial lesion. Women (n = 158) were selected from the Colposcopy Clinic of Sanitary Jurisdiction II in Ciudad Juarez, Chihuahua, Mexico. Demographic characteristics and habit information were collected. Cervical biopsy and endocervical scraping were used to determine methylation in promoter regions by methylation-specific polymerase chain reaction technique. We found hemi-methylation patterns in the promoter regions of CRABP1 and CRABP2; there was 28.5% hemi-methylation in CRABP1 and 7.0% in that of CRABP2. Methylation in CRABP1 was associated with age (>=35 years, P = 0.002), family history of cancer (P = 0.032), the presence of HPV-16 (P = 0.013), and no alcohol intake (P = 0.035). These epigenetic changes could be involved in the CC process, and CRABP1 has the potential to be a predictive molecular marker of retinoid therapy response. PMID- 27867304 TI - Relationships of Reproductive Traits With the Phylogeny of the African Noctuid Stem Borers. AB - The display of the reproductive behavior in most noctuid Lepidoptera follows a diel periodicity and is limited to a precise period of either the day or the night. These behavioral traits and the sex pheromone chemistry can be species specific and thus might be linked to the phylogeny. The objective of this study was to test the relationship of these reproductive traits with phylogeny. The study was undertaken using eight closely related species of noctuid stem borers, which are easy to rear under artificial conditions, namely, Busseola fusca, B. nairobica, B. sp. nr. segeta, Manga melanodonta, M. sp. nr. nubifera, Pirateolea piscator, Sesamia calamistis, and S. nonagrioides. For each species, the adult emergence period, the mating time, and the oviposition period were estimated, referred as biological traits. The components of the sex pheromones emitted by the females of each species were also analyzed by gas chromatography-mass spectrometry. Among the biological traits measured, only those linked to the oviposition pattern (timing and egg loads per night) were significantly correlated with the phylogeny of these species. For the sex pheromone components, among the 13 components identified in all species, only four, namely, Z9 tetradecenyl acetate (Z9-TDA), Z11-TDA, E11-TDA, and Z11-hexadecenyl acetate (Z11 HDA), showed the highest significant correlations with the phylogeny. These results suggest that among the different reproductive traits evaluated, only few are phylogenetically constrained. Their involvement in the reinforcement of ecological speciation in noctuid stem borers is discussed. PMID- 27867305 TI - Pulmonary Hypertension in Heart Failure Patients Presenting at OAUTHC, Ile-Ife, Nigeria. AB - BACKGROUND: Pulmonary hypertension (PH) is common in heart failure patients. Literature on PH in heart failure is sparse in Nigeria. This study was carried out to determine the prevalence of PH in heart failure patients and ascertain the relationship between left ventricular systolic and diastolic function and the degree of PH. METHODS: A total of 125 heart failure patients had echocardiography done. PH was diagnosed using tricuspid regurgitation jet and pulmonary ejection jet profile. RESULTS: PH was present in 70.4% of heart failure patients. Estimated mean pulmonary arterial pressure increased with increasing severity of systolic and diastolic dysfunction and had significantly negative correlation with ejection fraction, fractional shortening, and early mitral annular tissue diastolic velocity (E'), but positive correlation with left ventricular end systolic volume, right ventricular dimension, transmitral E to A ratio, and E/E' ratio. CONCLUSION: PH is very common in heart failure and has significant relationship with left ventricular function. PMID- 27867302 TI - Current and Emerging Uses of Statins in Clinical Therapeutics: A Review. AB - Statins, a class of cholesterol-lowering medications that inhibit 3-hydroxy-3 methyl-glutaryl-coenzyme A reductase, are commonly administered to treat atherosclerotic cardiovascular disease. Statin use may expand considerably given its potential for treating an array of cholesterol-independent diseases. However, the lack of conclusive evidence supporting these emerging therapeutic uses of statins brings to the fore a number of unanswered questions including uncertainties regarding patient-to-patient variability in response to statins, the most appropriate statin to be used for the desired effect, and the efficacy of statins in treating cholesterol-independent diseases. In this review, the adverse effects, costs, and drug-drug and drug-food interactions associated with statin use are presented. Furthermore, we discuss the pleiotropic effects associated with statins with regard to the onset and progression of autoimmune and inflammatory diseases, cancer, neurodegenerative disorders, strokes, bacterial infections, and human immunodeficiency virus. Understanding these issues will improve the prognosis of patients who are administered statins and potentially expand our ability to treat a wide variety of diseases. PMID- 27867306 TI - Case Report of Ectopic Ovarian Pregnancy Following Fresh Embryo Transfer. AB - BACKGROUND: Ovarian pregnancy is a rare and challenging clinical phenomenon. Recent studies have identified assisted reproductive treatments and infertility as risk factors. However, neither a definite mechanism nor clear risk factors were identified and therefore prevention strategies are yet unavailable. CLINICAL CASE: In this article, we present a case of ovarian pregnancy occurring following in vitro fertilization treatment and a fresh embryo transfer. The couple was diagnosed with unexplained infertility and no identifiable risk factors for extrauterine pregnancy. The diagnosis of ovarian pregnancy was made during explorative laparoscopy performed due to suspected extrauterine pregnancy. The patient had normal intra- and postoperative course. CONCLUSION: Ovarian pregnancy is an infrequent and a challenging diagnosis. Yet, late diagnosis and lack of appropriate intervention may have long-term implications. Several mechanisms and risk factors are proposed, and their acknowledgment may improve early diagnosis and prevention of complications. PMID- 27867307 TI - Adequate Vitamin D Intake but Low Serum Levels in Pediatric Asthma Patients: A Pilot Study, Alberta Children's Hospital. AB - Background. We assessed vitamin D intakes and serum 25(OH) vitamin D levels in pediatric asthma patients on moderate-to-high dose inhaled steroids and compared them to published findings of healthy children in our city. Methods. Parents and/or patients were interviewed to estimate the children's vitamin D intakes from foods and supplements (using an adapted validated food frequency questionnaire) and asthma duration and management. Vitamin D status: serum 25 hyroxy vitamin D (25(OH)D) was obtained from the medical records. Results. Vitamin D intakes from food and supplements of the asthma patients (n = 20, 742 +/- 185 IU/day) were significantly higher compared to healthy Canadian children (n = 1442, 229 +/- 121 IU/day). Despite higher vitamin D intakes, the children had nonsignificantly lower serum 25(OH) vitamin D levels compared to the comparison group. Serum 25(OH)D levels increased by 3.6 nmol/L with each 100 IU of vitamin D intake (95% Confidence interval = 2.0-4.0, R2 = 0.931, and p = 0.001). Conclusion. Since adequate vitamin D status in asthma patients is necessary to support bone mineral accretion, it is important to achieve adequate vitamin D status by checking serum 25(OH)D status and supplement accordingly. PMID- 27867308 TI - Effect of N-Methyl-D-Aspartate Receptor Antagonist Dextromethorphan on Opioid Analgesia in Pediatric Intensive Care Unit. AB - Objective. Pain control is an essential goal in the management of critical children. Narcotics are the mainstay for pain control. Patients frequently need escalating doses of narcotics. In such cases an adjunctive therapy may be beneficial. Dextromethorphan (DM) is NMDA receptor antagonist and may prevent tolerance to narcotics; however, its definitive role is still unclear. We sought whether dextromethorphan addition could decrease the requirements of fentanyl to control pain in critical children. Design. Double-blind, randomized control trial (RCT). Setting. Pediatric multidisciplinary ICU in tertiary care center. Patients. Thirty-six pediatric patients 2-14 years of age in a multidisciplinary PICU requiring analgesia were randomized into dextromethorphan and placebo. The subjects in both groups showed similarity in most of the characteristics. Interventions. Subjects while receiving fentanyl for pain control received dextromethorphan or placebo through nasogastric/orogastric tubes for 96 hours. Pain was assessed using FLACC and faces scales. Measurements and Main Results. This study found no statistical significant difference in fentanyl requirements between subjects receiving dextromethorphan and those receiving placebo (p = 0.127). Conclusions. Dextromethorphan has no effect on opioid requirement for control of acute pain in children admitted with acute critical care illness in PICU. The registration number for this trial is NCT01553435. PMID- 27867310 TI - The North Wyke Farm Platform: effect of temperate grassland farming systems on soil moisture contents, runoff and associated water quality dynamics. AB - : The North Wyke Farm Platform was established as a United Kingdom national capability for collaborative research, training and knowledge exchange in agro environmental sciences. Its remit is to research agricultural productivity and ecosystem responses to different management practices for beef and sheep production in lowland grasslands. A system based on permanent pasture was implemented on three 21-ha farmlets to obtain baseline data on hydrology, nutrient cycling and productivity for 2 years. Since then two farmlets have been modified by either (i) planned reseeding with grasses that have been bred for enhanced sugar content or deep-rooting traits or (ii) sowing grass and legume mixtures to reduce nitrogen fertilizer inputs. The quantities of nutrients that enter, cycle within and leave the farmlets were evaluated with data recorded from sensor technologies coupled with more traditional field study methods. We demonstrate the potential of the farm platform approach with a case study in which we investigate the effects of the weather, field topography and farm management activity on surface runoff and associated pollutant or nutrient loss from soil. We have the opportunity to do a full nutrient cycling analysis, taking account of nutrient transformations in soil, and flows to water and losses to air. The NWFP monitoring system is unique in both scale and scope for a managed land-based capability that brings together several technologies that allow the effect of temperate grassland farming systems on soil moisture levels, runoff and associated water quality dynamics to be studied in detail. HIGHLIGHTS: Can meat production systems be developed that are productive yet minimize losses to the environment?The data are from an intensively instrumented capability, which is globally unique and topical.We use sensing technologies and surveys to show the effect of pasture renewal on nutrient losses.Platforms provide evidence of the effect of meteorology, topography and farm activity on nutrient loss. PMID- 27867311 TI - Spatial variation in soil properties and diffuse losses between and within grassland fields with similar short-term management. AB - : One of the major challenges for agriculture is to understand the effects of agricultural practices on soil properties and diffuse pollution, to support practical farm-scale land management. Three conventionally managed grassland fields with similar short-term management, but different ploughing histories, were studied on a long-term research platform: the North Wyke Farm Platform. The aims were to (i) quantify the between-field and within-field spatial variation in soil properties by geostatistical analysis, (ii) understand the effects of soil condition (in terms of nitrogen, phosphorus and carbon contents) on the quality of discharge water and (iii) establish robust baseline data before the implementation of various grassland management scenarios. Although the fields sampled had experienced the same land use and similar management for at least 6 years, there were differences in their mean soil properties. They showed different patterns of soil spatial variation and different rates of diffuse nutrient losses to water. The oldest permanent pasture field had the largest soil macronutrient concentrations and the greatest diffuse nutrient losses. We show that management histories affect soil properties and diffuse losses. Potential gains in herbage yield or benefits in water quality might be achieved by characterizing every field or by area-specific management within fields (a form of precision agriculture for grasslands). Permanent pasture per se cannot be considered a mitigation measure for diffuse pollution. The between- and within field soil spatial variation emphasizes the importance of baseline characterization and will enable the reliable identification of any effects of future management change on the Farm Platform. HIGHLIGHTS: Quantification of soil and water quality in grassland fields with contrasting management histories.Considerable spatial variation in soil properties and diffuse losses between and within fields.Contrasting management histories within and between fields strongly affected soil and water quality.Careful pasture management needed: the oldest pasture transferred the most nutrients from soil to water. PMID- 27867309 TI - Gender Differences in Symptoms, Health-Related Quality of Life, Sleep Quality, Mental Health, Cognitive Performance, Pain-Cognition, and Positive Health in Spanish Fibromyalgia Individuals: The Al-Andalus Project. AB - Objective. To test the gender differences in tenderness, impact of fibromyalgia, health-related quality of life, fatigue, sleep quality, mental health, cognitive performance, pain-cognition, and positive health in Spanish fibromyalgia patients and in age-matched nonfibromyalgia individuals from the same region. To test the optimal cut-off score of the different tender points for women and men. Methods. A total of 405 (384 women) fibromyalgia versus 247 (195 women) nonfibromyalgia control participants from southern Spain (Andalusia) took part in this cross sectional study. The outcomes studied were assessed by means of several tests. Results. In the fibromyalgia group, men showed better working memory than women (all, P < 0.01), whereas sleep latency was lower in women compared to men (P = 0.013). In the nonfibromyalgia group, men showed higher pain threshold in all the tender points (all, P < 0.01), except in right and left lateral epicondyle. Furthermore, men showed better working memory than women (all, P < 0.01), whereas memory performance was better in women compared to men (all, P <= 0.01). Conclusion. The results of the present study do not support consistent evidence of gender differences in fibromyalgia-related symptoms. However, it seems that detriment of some symptoms (especially pain) in fibromyalgia men compared with their nonfibromyalgia counterparts is greater than those of fibromyalgia women compared with their nonfibromyalgia peers. PMID- 27867312 TI - Sustainable grassland systems: a modelling perspective based on the North Wyke Farm Platform. AB - The North Wyke Farm Platform (NWFP) provides data from the field- to the farm scale, enabling the research community to address key issues in sustainable agriculture better and to test models that are capable of simulating soil, plant and animal processes involved in the systems. The tested models can then be used to simulate how agro-ecosystems will respond to changes in the environment and management. In this study, we used baseline datasets generated from the NWFP to validate the Soil-Plant-Atmosphere Continuum System (SPACSYS) model in relation to the dynamics of soil water content, water loss from runoff and forage biomass removal. The validated model, together with future climate scenarios for the 2020s, 2050s and 2080s (from the International Panel on Climate Change (IPCC) Special Report on Emissions Scenarios (SRES): medium (A1B) and large (A1F1) emission scenarios), were used to simulate the long-term responses of the system with three contrasting treatments on the NWFP. Simulation results demonstrated that the SPACSYS model could estimate reliably the dynamics of soil water content, water loss from runoff and drainage, and cut biomass for a permanent sward. The treatments responded in different ways under the climate change scenarios. More carbon (C) is fixed and respired by the swards treated with an increased use of legumes, whereas less C was lost through soil respiration with the planned reseeding. The deep-rooting grass in the reseeding treatment reduced N losses through leaching, runoff and gaseous emissions, and water loss from runoff compared with the other two treatments. PMID- 27867313 TI - Tool-specific performance of vibration-reducing gloves for attenuating fingers transmitted vibration. AB - BACKGROUND: Fingers-transmitted vibration can cause vibration-induced white finger. The effectiveness of vibration-reducing (VR) gloves for reducing hand transmitted vibration to the fingers has not been sufficiently examined. OBJECTIVE: The objective of this study is to examine tool-specific performance of VR gloves for reducing finger-transmitted vibrations in three orthogonal directions (3D) from powered hand tools. METHODS: A transfer function method was used to estimate the tool-specific effectiveness of four typical VR gloves. The transfer functions of the VR glove fingers in three directions were either measured in this study or during a previous study using a 3D laser vibrometer. More than seventy vibration spectra of various tools or machines were used in the estimations. RESULTS: When assessed based on frequency-weighted acceleration, the gloves provided little vibration reduction. In some cases, the gloves amplified the vibration by more than 10%, especially the neoprene glove. However, the neoprene glove did the best when the assessment was based on unweighted acceleration. The neoprene glove was able to reduce the vibration by 10% or more of the unweighted vibration for 27 out of the 79 tools. If the dominant vibration of a tool handle or workpiece was in the shear direction relative to the fingers, as observed in the operation of needle scalers, hammer chisels, and bucking bars, the gloves did not reduce the vibration but increased it. CONCLUSIONS: This study confirmed that the effectiveness for reducing vibration varied with the gloves and the vibration reduction of each glove depended on tool, vibration direction to the fingers, and finger location. VR gloves, including certified anti vibration gloves do not provide much vibration reduction when judged based on frequency-weighted acceleration. However, some of the VR gloves can provide more than 10% reduction of the unweighted vibration for some tools or workpieces. Tools and gloves can be matched for better effectiveness for protecting the fingers. PMID- 27867314 TI - DNA Recognition by Hybrid Oligoether-Oligodeoxynucleotide Macrocycles. PMID- 27867316 TI - Support for international trade law: The US and the EU compared. AB - In this article we compare US and EU support for bilateral and multilateral international trade law. We assess the support for international law of both trading blocs by focusing on the following four dimensions: leadership, consent, compliance and internalization. Although we find strong support for international trade law from both the US and the EU in general, we also witness some variation, most notably in relation to the design of preferential trade agreements (PTAs) and compliance with World Trade Organization (WTO) law. Turning to explaining these (moderate) differences, we argue that outcomes in US trade policy can best be explained by a domestic political factor, namely the direct influence of interest groups. Although the involvement of societal interests also goes a long way in explaining EU behavior, it does not tell the entire story. We posit that, in EU trade policy, institutions are a particular conditioning factor that needs to be stressed. Moreover, we suggest that foreign policy considerations in managing trade relations have characterized EU's support for international trade law. PMID- 27867315 TI - The Diphosphorus Complex [Cp2Mo2(CO)4(eta2-P2)] as a Building Block for the Synthesis of Mixed-Hybrid Coordination Polymers. AB - The three-component reaction of the tetrahedral diphosphorus complex [Cp2Mo2(CO)4(eta2-P2)] (1), with Ag[BF4] (2) in the presence of 2,2'-bipyrimidine (3) leads to the formation of the two novel two-dimensional networks 4 and 5. Compound 4 is a new two-dimensional organometallic-organic hybrid polymer, while derivative 5 represents a unique two-dimensional organometallic-inorganic-organic hybrid polymer. These results show the possibility of synthesizing a new class of coordination polymers, which could not be obtained from two-component reactions with organic molecules in addition of metal ions. PMID- 27867317 TI - The Longitudinal Process of Early Parent Involvement on Student Achievement: A Path Analysis. AB - This longitudinal study investigated the process whereby early parent involvement in preschool effects student achievement from kindergarten through 6th grade. Participants were 1,539 low-income, mainly African American children and their mothers, in the Chicago Longitudinal Study. Program children (N = 989) received one or two years of the Child-Parent Center (CPC) program - a preschool intervention that strongly promoted parents' development of parent involvement skills within the school and at home. Children from similar backgrounds who did not attend the CPC, but participated in available local resources (e.g. day care), were obtained as a comparison group (N = 550). Path analysis revealed an interactive process between parent involvement, academic achievement, and children's motivation. Early parent involvement directly influenced kindergarten achievement, which in turn influenced first grade student motivation. Highly motivated children then encouraged parents to continue involvement. The cyclic nature of this process across elementary school was observed. The model accounted for 61% of the variance in 6th grade achievement. Findings suggest that early parent involvement promoted in the CPC program, sets the stage for subsequent parent involvement, student motivation, and academic achievement throughout early and middle childhood. PMID- 27867318 TI - The Power of Affirming Group Values: Group Affirmation Buffers the Self-Esteem of Women Exposed to Blatant Sexism. AB - Extending the group affirmation literature to the domain of prejudice, this study investigated whether group affirmation buffers the self-esteem of women exposed to blatant sexism. In accordance with Self-Affirmation Theory (Steele, 1988) and group affirmation research (Sherman et al., 2007), we hypothesized that when one aspect of the collective self is threatened (gender identity), self-esteem can be maintained via the affirmation of an alternative aspect of the collective self. In a 2*2 between-participants design, female students were randomly assigned to read about discrimination directed toward women or a non-self-relevant disadvantaged group (the Inuit). All then participated in a (fictitious) second study, in which half completed a group affirmation manipulation (wrote about the top three values of a self-defining group) and half completed a control writing exercise. The self-esteem of women who were threatened by sexism, but group affirmed, was protected from the negative effects of perceiving sexism. PMID- 27867319 TI - "I Got to Know Them in a New Way": Rela(y/t)ing Rhizomes and Community-Based Knowledge (Brokers') Transformation of Western and Indigenous Knowledge. AB - Drawing on three culturally specific research projects, this paper examines how community-based knowledge brokers' engagement in brokering knowledge shaped the projects' processes. Informed by Deleuze and Guattari's (1987) conceptualization of the "rhizome," we discuss how community knowledge brokers' engagement in open research-creation practices embrace the relational foundation of Indigenous research paradigms in contrast to mainstream Western research practices that are engaged as linear, objective, and outcome-oriented activities. In turn, we offer propositions for building team environments where open research-creation practices can unfold, informing a periphery of shared space for Indigenous and Western paradigms. PMID- 27867320 TI - Changes in the Dose-Response Relationship of One Toxicant Under Simultaneous Exposure to Another Toxicant. AB - We considered, in general form for a 22 full factorial experiment, linear approximations of the organism's dose-response relationship for some factors operating alone and modification of this relationship by another factor operating in the background. A typological classification of such modifications is suggested. An analysis of the outcomes obtained in a number of subchronic animal experiments on rats in which this response was assessed by changes in a large number of biomedical indices revealed that all theoretically possible variants (types) of the modification under consideration are actually observed depending on a specific index and specific harmful exposure. Statistical significance estimation procedures are formulated for each of them. PMID- 27867321 TI - Destroying the Linear No-threshold Basis for Radiation Regulation: A Commentary. AB - This article suggests five classes of effort that scientists can undertake to destroy the linear no-threshold hypothesis as the basis of radiation regulation in the United States. These are (1) pressure on regulators such as the Nuclear Regulatory Commission, (2) presidential messages, (3) Congressional pressure, (4) educate physicians about low-dose radiation, and (5) work with journalists and media people. PMID- 27867322 TI - A Certified Health Physicist's Reflections on a 40-Year Career in Radiation Protection. AB - This is a reflection from a certified health physicist regarding his becoming aware, during his 40-year career, that the linear no-threshold (LNT) model and the associated As Low As Reasonably Achievable concept have no scientific basis and make no positive contribution to radiation safety. They should be replaced by an alternative, scientifically based model that includes a threshold, below which there is no harm, and recognition of hormesis and the adaptive response, which reflect the benefits of low-dose and low-dose-rate radiation exposure. Continued use of the unscientific LNT model is not conservative, as most regulators complacently claim but actually harmful. Examples of these harmful impacts in the areas of nuclear power, nuclear medicine, and environmental management are included. PMID- 27867323 TI - Low-Dose-Rate Irradiation for 1 Hour Induces Protection Against Lethal Radiation Doses but Does Not Affect Life Span of DBA/2 Mice. AB - Prior findings showed that serum from DBA/2 mice that had been given whole-body irradiation for 1 hour at a low dose rate (LDR) of 30 cGy/h induced protection against radiation in reporter cells by a mechanism depending on transforming growth factor beta3 and inducible nitric oxide synthase activity. In the present study, the effect of the 1 hour of LDR irradiation on the response of the preirradiated mice to a subsequent lethal dose and on the life span is examined. These DBA/2 mice were prime irradiated for 1 hour at 30 cGy/h. Two experiments with 9 and 9.5 Gy challenge doses given 6 weeks after priming showed increased survival in primed mice compared to unprimed mice followed up to 225 and 81 days after challenge irradiation, respectively. There was no overall significant difference in life span between primed and unprimed mice when no challenge irradiation was given. The males seemed to have a slight increase in lifespan after priming while the opposite was seen for the females. PMID- 27867324 TI - Predicting Adult Criminal Behavior from Juvenile Delinquency: Ex-Ante vs. Ex-Post Benefits of Early Intervention. AB - Recent analyses of the long-term societal benefits from early intervention (prenatal care, home visitation, and high quality preschool) for at-risk children commonly include significant savings to society in the form of reduced juvenile delinquency and adult criminal behavior. However, a nontrivial proportion of the reported benefits of several early intervention programs are based on forecasts of criminal behavior throughout adulthood conditional on intervention effects on delinquency in adolescence. Data from the Chicago Longitudinal Study (CLS), an investigation of the life course of 1,539 children from low-income families born in 1979-1980, are used to investigate the bias resulting from predicting the effect of early intervention on adult criminal behavior from the effect on delinquency in adolescence. The investigation concludes that the general method used to predict adult criminal behavior results in a conservative estimate of the reduction in the cost of adult criminal behavior attributed to early intervention. PMID- 27867326 TI - Towards a Consistent and Scientifically Accurate Drug Ontology. AB - Our use case for comparative effectiveness research requires an ontology of drugs that enables querying National Drug Codes (NDCs) by active ingredient, mechanism of action, physiological effect, and therapeutic class of the drug products they represent. We conducted an ontological analysis of drugs from the realist perspective, and evaluated existing drug terminology, ontology, and database artifacts from (1) the technical perspective, (2) the perspective of pharmacology and medical science (3) the perspective of description logic semantics (if they were available in Web Ontology Language or OWL), and (4) the perspective of our realism-based analysis of the domain. No existing resource was sufficient. Therefore, we built the Drug Ontology (DrOn) in OWL, which we populated with NDCs and other classes from RxNorm using only content created by the National Library of Medicine. We also built an application that uses DrOn to query for NDCs as outlined above, available at: http://ingarden.uams.edu/ingredients. The application uses an OWL-based description logic reasoner to execute end-user queries. DrOn is available at http://code.google.com/p/dr-on. PMID- 27867325 TI - PARASITOID VENOM INDUCES METABOLIC CASCADES IN FLY HOSTS. AB - Parasitoid wasps inject insect hosts with a cocktail of venoms to manipulate the physiology, development, and immunity of the hosts and to promote development of the parasitoid offspring. The jewel wasp Nasonia vitripennis is a model parasitoid with at least 79 venom proteins. We conducted a high-throughput analysis of Nasonia venom effects on temporal changes of 249 metabolites in pupae of the flesh fly host (Sarcophaga bullata), over a five-day time course. Our results show that venom does not simply arrest the metabolism of the fly host. Rather, it targets specific metabolic processes while keeping hosts alive for at least five days post venom injection by the wasp. We found that venom: (a) Activates the sorbitol biosynthetic pathway while maintaining stable glucose levels, (b) Causes a shift in intermediary metabolism by switching to anaerobic metabolism and blocking the tricarboxylic acid cycle, (c) Arrests chitin biosynthesis that likely reflects developmental arrest of adult fly structures, (d) Elevates the majority of free amino acids, and (e) May be increasing phospholipid degradation. Despite sharing some metabolic effects with cold treatment, diapause, and hypoxia, the venom response is distinct from these conditions. Because Nasonia venom dramatically increases sorbitol levels without changing glucose levels, it could be a useful model for studying the regulation of the sorbitol pathway, which is relevant to diabetes research. Our findings generally support the view that parasitoid venoms are a rich source of bioactive molecules with potential biomedical applications. PMID- 27867328 TI - Association Between Erectile Function and Biomarkers of Subclinical Atherosclerosis: A Study Based on Middle-Aged Healthy Men from the General Population. AB - INTRODUCTION: Epidemiological studies suggest atherosclerosis as a common risk factor between cardiovascular diseases and erectile dysfunction (ED). We aimed to determine the association between erectile function and the biomarkers of subclinical atherosclerosis in 119 middle-aged healthy men from the general population. METHODS: Erectile function was assessed using the International Index of Erectile Function-5 (IIEF-5). Serum levels of biomarkers of atherosclerosis: Apolipoprotein A, Apolipoprotein B, fibrinogen, and C-reactive protein (CRP) were measured. In addition, demographic data was collected. RESULTS: The mean (SD) of age was 55 years (+/- 4.0). The prevalence of ED was 50%. There was a negative significant correlation between IIEF-5 and CRP levels (r = -0.20, p = 0.02), and BMI (r = -0.20, p = 0.03), respectively. No significant correlations between IIEF 5 and serum levels of Apolipoprotein A, Apolipoprotein B, and fibrinogen were found (p > 0.05). A positive significant correlation was found between BMI and fibrinogen (r = 0.20, p = 0.01), CRP (r = 0.30, p = 0.001). In a multivariate logistic regression model with IIEF-5 as the dependent variable, CRP was the only biomarker that predicted ED (odds ratio = 1.350; 95 % CI: 1.044-1.754). CONCLUSIONS: These results indicate that CRP is a biomarker of subclinical atherosclerosis associated with ED. This association seems to be linked to greater BMI among such men. PMID- 27867327 TI - Unusual Glomus Tumor of the Penis. AB - INTRODUCTION: Glomus tumors are benign neoplasms commonly found in subungual regions of the extremities and rarely located in the penis. Misdiagnosis of glomus tumors is common; therefore, symptoms and clinical presentations should be reviewed. OBJECTIVE: The primary objective of this review article is to emphasize the pathogenesis, pathology, clinical presentation, symptoms, diagnosis, and treatment methods of glomus tumors in order to better identify and manage the condition. MATERIALS AND METHODS: Research was conducted using PubMed/Medline. The inclusion criteria required glomus tumor to be present on the penis. RESULTS: Glomus tumors, which appear as symptomatic or asymptomatic lesions, are attributed to dispersion grouping of neoplastic or non-neoplastic lesions in a particular area. CONCLUSION: Differential diagnosis of glomus tumors includes hemangiomas, neurofibromatosis, epithelial lesions, and spindle-cell lesions. Physical examination and histological findings should be used for diagnosis. Treatment options can be either conservative or invasive, in which the patient undergoes surgical excision. PMID- 27867329 TI - Caffeine as a Probable Factor for Increased Risk of OAB Development in Elderly People. AB - OBJECTIVE: This study was conducted to compare overactive bladder (OAB) prevalence among people greater than 60 years of age who intake various doses of caffeine, as well as those who abstain from caffeine. PATIENTS AND METHODS: A randomized observational study was carried out in Vladivostok Gerontological Hospital. A total of 1,098 retired people greater than 60 years of age (659 women and 439 men, average age 67.1 years) took part in the study. They were admitted to the in-patient department with the purpose of annual physical examination performed in accordance with the order of the Ministry of Public Health of the Russian Federation. People over age 60, who at the moment of examination were in satisfactory health condition, were included into the study. People in which OAB had been detected or who used to take antimuscarinic were excluded from the study. Assessment tools for examining the patients' lower urinary tract condition were as follows: OAB-q SF, urination diaries, and uroflowmetry. RESULTS: In the course of the experiment conducted, we found that 1/3 of people, both men and women greater than 60 years of age, who did not previously seek medical advice due to urination troubles, had symptoms of detrusor overactivity. These symptoms were moderate and did not bother patients too much in most cases (63.4%). It was also found that most patients consumed no more than 300mg caffeine with beverages per day, with 30% and 10% of patients suffering from OAB or severe detrusor overactivity, respectively. At the same time, almost 50% of patients taking more than 300 mg of caffeine per day suffer from OAB. CONCLUSION: 48.1% of people over 60 years of age suffering from overactive detrusor symptoms consume greater than 300 mg caffeine daily, which is significantly higher than that of their peers who do not intake excessive amounts of caffeine. PMID- 27867330 TI - Use of Caudal Analgesia Supplemented with Low Dose of Morphine in Children Who Undergo Renal Surgery. AB - INTRODUCTION: To test the efficacy and safety of caudal anesthesia (CA) supplemented by low dose morphine in children who undergo renal surgery. MATERIALS AND METHODS: Forty patients aged 2 months-14 years were enrolled and randomly divided into two groups of 20 patients each: Group A (bupivacaine 0.2% with fentanyl); Group B (bupivacaine with morphine). The duration of surgery and hospitalization time were recorded. Postoperative pain score was measured by Face Legs Activity Cry Consolability scale and Wong-Baker Faces scale for those who are older. Overall use of rescue analgesics was calculated. RESULTS: There was no statistical difference in the length of surgery, incidence of pruritus, postoperative nausea, vomiting and urinary retention between the two groups. However the postoperative opioid requirements were significantly higher in Group A 1.03 +/- 0.9 mg/kg compared to Group B, in which only one patient required opioid therapy (p < 0.0001). Moreover the need for non-opioid rescue analgesic was higher in Group A, (36 +/- 5.7 mg/kg of paracetamol) compared to morphine CA group there only 26 +/- 3.6 mg/kg required during first 24 h of the postoperative period (p = 0.0312). The Face Legs Activity Cry Consolability pain score (1, 4, and 24 h after surgery) and Wong-Baker Faces scale were significantly higher in Group A. The hospitalization period was shorter in the CA morphine group, but the difference did not reach statistical significance. None developed hemodynamic instability or respiratory depression. CONCLUSIONS: Our data show that CA supplemented with low dose morphine provides a longer duration of analgesia without significant side-effects in children undergoing renal surgery. PMID- 27867331 TI - The Effectiveness of a Systematic Algorithm for the Management of Vascular Injuries during the Laparoscopic Surgery. AB - OBJECTIVES: Currently, there is no standardized training protocol to teach surgeons how to deal with vascular injuries during laparoscopic procedures. The purpose of this study is to develop and evaluate the effectiveness of a standardized algorithm for managing vascular injury during laparoscopic nephrectomies. MATERIALS AND METHODS: The performance of 6 surgeons was assessed during 10 laparoscopic nephrectomies in a porcine model. During the first and tenth operations, an injury was made in the renal vein without warning the surgeon. After the first procedure, the surgeons were instructed on how to proceed in dealing with the vascular injury, according to an algorithm developed by the designers of this study. The performance of each surgeon before and after learning the algorithm was assessed. RESULTS: After learning the algorithm there was a decreased blood loss from 327 +/- 403.11 ml to 37 +/- 18.92 ml (p = 0.031) and decreased operative time from 43 +/- 14.53 min to 27 +/- 8.27 min (p = 0.015). There was also improvement in the time to start lesion repair from 147 +/ 117.65 sec to 51 +/- 39.09 sec (p = 0.025). There was a trend toward improvement in the reaction time to the injury (22 +/- 21.55 sec vs. 14 +/- 6.39, p = 0.188), the time required to control the bleeding (50 +/- 94.2 sec vs. 14 +/- 6.95 sec, p = 0.141), and the total time required to completely repair of the vascular injury (178 +/- 170.4 sec vs. 119 +/- 183.87 sec, p = 0.302). CONCLUSION: A standardized algorithm may help to reduce the potential risks associated with laparoscopic surgery. Further studies will help to refine and determine the benefits of standardized protocols such as that developed in this study for the management of life-threatening laparoscopic complications. PMID- 27867332 TI - Predictive Ability of Preoperative CT Scan in Determining Whether the Adrenal Gland is Spared at Radical Nephrectomy. AB - INTRODUCTION: The aim of this study was to assess whether preoperative multiple detector computed tomography (MDCT) accurately predicts adrenal involvement for patients undergoing non-adrenal sparing radical nephrectomy for renal cell carcinoma. METHODS AND MATERIALS: A retrospective observational study based on a composite patient population of two university teaching hospitals who underwent radical nephrectomy. Sensitivity, specificity, overall accuracy, positive and negative predictive values and likelihood ratios were calculated from radiological reports. RESULTS: Total 579 patients underwent radical nephrectomy, of which 199 (34.4%) patients underwent a non-adrenal sparing radical nephrectomy, in which 128 (64.3%) were male and 118 (59.3%) were left side tumors. Mean tumor size was 8.2 cm (range 1.4-20cm). MDCT was found to have a sensitivity of 100% and specificity of 95.2% for identifying adrenal invasion. Total 179 patients (89.9%) had a radiographically normal ipsilateral adrenal gland, of which none were found to have adrenal involvement. Therefore, the negative predictive value of preoperative cross-sectional imaging for identification of adrenal involvement was 100%. CONCLUSION: Cross- sectional MDCT imaging accurately predicts adrenal involvement and the decision to remove or spare the adrenal gland should be made preoperative planning regardless of tumour size or location at the time of multi-disciplinary discussion unless there is intraoperative evidence of adrenal invasion. PMID- 27867333 TI - Association between PSA Levels and Biomarkers of Subclinical Systemic Inflammation in Middle-Aged Healthy Men from the General Population. AB - INTRODUCTION: This study was aimed to determine the association between PSA levels and biomarkers of subclinical systemic inflammation based on data from 119 middle-aged healthy men from the general population. MATERIALS AND METHODS: Serum levels of PSA and biomarkers of systemic inflammation (CRP and fibrinogen) were measured. Demographic data were also collected. Subjects were divided into two groups according to PSA levels; < 2 ng/ml and >= 2 ng/ml. RESULTS: The mean (SD) age of men was 55 +/- 4.0 years. We found a positive significant correlation between PSA and fibrinogen levels (r = 0.20, p = 0.04), and between CRP and fibrinogen levels (r = 0.60, p = 0.01). On the other hand, no significant correlation between PSA and CRP levels was found. Men with PSA values >= 2 ng/ml had significantly higher levels of fibrinogen as compared to those with PSA < 2 ng/ml (2.9 ng/ml vs. 2.4 ng/ml, p = 0.01). In a multivariate regression analysis model adjusted for the age of subjects, BMI, marital status, smoking, snuff, and alcohol intake with serum levels of PSA as a dependent variable, serum level of fibrinogen predicted higher PSA-values (odds ratio = 3.30, 95% CI = 1.05-10.20, p = 0.042). CONCLUSIONS: The present results indicate that serum fibrinogen is a biomarker of subclinical systemic inflammation associated with PSA elevation among middle-aged healthy men from the general population. PMID- 27867334 TI - Comparison of the Effect of Lidocaine versus a Lidocaine-Bupivacaine Combination in a Periprostatic Nerve Block Undergoing Transrectal Ultrasound-Guided Prostate Biopsy: A Double-Blind Randomized Controlled Trial. AB - INTRODUCTION: To determine whether a combination of the long acting local anesthetic, bupivacaine, and lidocaine is better than lidocaine alone in the long term pain control, which is a short-acting anesthetic. MATERIALS AND METHODS: In group 1, periprostatic nerve block was applied to both neurovascular areas with 2% lidocaine (5 ml) in an isotonic solution (5 ml). In group 2, the combination of 2% lidocaine (5 ml) and 5mg/ml bupivacaine (5 ml) was used for the PPNB. RESULTS: In the first 30 minutes the mean VAS scores of groups 1 and 2 were 2.1 +/- 0.2 and 1.2 +/- 0.1, respectively (p = 0.002). VAS scores of group II determined at 1, 2, 4, 6, and 8 hours after the biopsy were significantly lower since it was (p < 0.05). CONCLUSION: While periprostatic nerve block for late phase pain control, applying a combination of a long-acting local anesthetic, such as bupivacaine, is effective in terms of pain control and patient comfort. PMID- 27867335 TI - Pyoderma Gangrenosum in the Urologist Clinic. AB - Pyoderma gangrenosum is a rare non-infectious skin disorder. It is often associated with systemic diseases, like the inflammatory bowel disease, rheumatological disease and (hematological) malignancy. The diagnosis is affirmed through a process of elimination and is principally based on clinical presentation and course. We present a 59-year-old male with T-cell large granular lymphocyte leukemia and pyoderma gangrenosum of penis and scrotum. Finally the patient was successfully treated with systemic prednisolone. PMID- 27867336 TI - Erratum. AB - [This corrects the article DOI: 10.1159/000442846.]. PMID- 27867337 TI - Oligometastatic Growing Teratoma Syndrome: A Case for an Aggressive Surgical Approach. AB - Growing teratoma syndrome is an infrequent presentation of testicular cancer. We present a case of growing teratoma syndrome in a patient who initially presented with clinical stage I nonseminomatous testicular germ cell tumor, who subsequently developed large volume oligometastases to the retroperitoneum, thorax, and thigh. Despite two regimens of chemotherapy, his disease progressed. Complete surgical extirpation of all gross tumors confirmed mature teratoma. An aggressive surgical approach, including postchemotherapy resection of all known metastatic sites, can provide long-term disease-free survival. PMID- 27867338 TI - Bladder Leiomyosarcoma: A Rare, but Aggressive Diagnosis. AB - It remains evident in the literature that leiomyosarcomas of the bladder have continuously been regarded as highly aggressive tumors associated with a poor prognosis. Immediate surgical therapy by radical cystectomy with wide margins is warranted as an effective treatment modality and has been associated with longer survival rates. Herein, we present the case of a high-grade leiomyosarcoma primarily treated with anterior pelvic exenteration and urinary diversion. PMID- 27867339 TI - When Recessive Genes Mutate to Dominant Gene Action. PMID- 27867340 TI - Changing Paradigms in Down Syndrome: The First International Conference of the Trisomy 21 Research Society. AB - Down syndrome (DS) is the most common genetic cause of intellectual disability (ID) in humans with an incidence of ~1:1,000 live births worldwide. It is caused by the presence of an extra copy of all or a segment of the long arm of human chromosome 21 (trisomy 21). People with DS present with a constellation of phenotypic alterations involving most organs and organ systems. ID is present in all people with DS, albeit with variable severity. DS is also the most frequent genetic cause of Alzheimer's disease (AD), and ~50% of those with DS will develop AD-related dementia. In the last few years, significant progress has been made in understanding the crucial genotype-phenotype relationships in DS, in identifying the alterations in molecular pathways leading to the various clinical conditions present in DS, and in preclinical evaluations of potential therapies to improve the overall health and well-being of individuals with DS. In June 2015, 230 scientists, advocates, patients, and family members met in Paris for the 1st International Conference of the Trisomy 21 Research Society. Here, we report some of the most relevant presentations that took place during the meeting. PMID- 27867341 TI - Disorders of Transcriptional Regulation: An Emerging Category of Multiple Malformation Syndromes. AB - Some genetic disorders caused by mutations in genes encoding components of the transcriptional machinery as well as proteins involved in epigenetic modification of the genome share many overlapping features, such as facial dysmorphisms, growth problems and developmental delay/intellectual disability. As a basis for some shared phenotypic characteristics in these syndromes, a similar transcriptome disturbance, characterized by global transcriptional dysregulation, is believed to play a major role. In this review article, a general overview of gene transcription is provided, and the current knowledge of the mechanisms underlying some disorders of transcriptional regulation, such as Rubinstein- Taybi, Coffin-Siris, Cornelia de Lange, and CHOPS syndromes, are discussed. PMID- 27867342 TI - The Family of Crumbs Genes and Human Disease. AB - The family of vertebrate Crumbs proteins, homologous to Drosophila Crumbs (Crb), share large extracellular domains with epidermal growth factor-like repeats and laminin-globular domains, a single transmembrane domain, and a short intracellular C-terminus containing a single membrane proximal 4.1/ezrin/radixin/moesin-binding domain and PSD-95/Discs large/ZO-1-binding motifs. There are 3 Crb genes in humans - Crumbs homolog-1 (CRB1), Crumbs homolog 2 (CRB2), and Crumbs homolog-3 (CRB3). Bilallelic loss-of-function mutations in CRB1 cause visual impairment, with Leber's congenital amaurosis and retinitis pigmentosa, whereas CRB2 mutations are associated with raised maternal serum and amniotic fluid alpha feto-protein levels, ventriculomegaly/hydrocephalus, and renal disease, ranging from focal segmental glomerulosclerosis to congenital Finnish nephrosis. CRB3 has not yet been associated with human disease. In this review, we summarize the phenotypic findings associated with deleterious sequence variants in CRB1 and CRB2. We discuss the mutational spectrum, animal models of loss of function for both genes and speculate on the likely mechanisms of disease. PMID- 27867343 TI - PARK2 Microduplication: Clinical and Molecular Characterization of a Further Case and Review of the Literature. AB - We report on a patient with psychomotor deficits, language delay, dyspraxia, skeletal anomalies, and facial dysmorphisms (hirsutism, right palpebral ptosis, a bulbous nasal tip with enlarged and anteverted nares, and a mild prominent antihelix stem). Using high-resolution SNP array analysis, we identified a 0.49 Mb microduplication in chromosome 6q26 inherited from the mother involving the PARK2 gene: arr[hg19] 6q26(162,672,821-163,163,143)*3 mat. To the best of our knowledge, this is the third patient to date described in whom a 6q26 microduplication encompassing only the PARK2 gene has been reported in medical literature. The PARK2 gene is a neurodevelopmental gene that was initially discovered as one of the causes of autosomal recessive juvenile Parkinson disease and subsequently reported to be linked to autism spectrum disorders and attention deficit hyperactivity disorders. We provide an overview of the literature on PARK2 microduplications and further delineate the associated phenotype. Taken together, our findings confirm the involvement of this gene in neurodevelopmental disorders and are useful to strengthen the hypothesis that, although with variable expressivity and incomplete penetrance, the PARK2 microduplication is associated with a new emerging neurodevelopmental delay syndrome. However, clinical and molecular evaluations of more patients with the microduplication are needed for full delineation of this syndrome. PMID- 27867344 TI - Distal 7q11.23 Duplication, an Emerging Microduplication Syndrome: A Case Report and Further Characterisation. AB - Chromosome 7q11.23 duplication syndrome is a well-recognised syndrome which involves the duplication of the same genes located in the Williams-Beuren critical region. However, in 2010, 4 patients were reported with a microduplication only in the HIP1 and YWHAG genes. We refer to this as a distal 7q11.23 duplication (dup7q11.23D). Here, we report the fifth de novo patient with dup7q11.23D, whose symptoms may be explained by YWHAG overexpression as was demonstrated recently in mice and obese patients. Finally, further studies will be necessary to delineate this emerging microduplication syndrome. PMID- 27867345 TI - Language Impairment Resulting from a de novo Deletion of 7q32.1q33. AB - We report on a girl who presents with hearing loss, behavioral disturbances (according to the Inventory for Client and Agency Planning) as well as motor and cognitive delay (according to Battelle Developmental Inventories) which have a significant impact on her speech and language abilities [according to the Peabody Picture Vocabulary Test (ed 3), and the Prueba de Lenguaje Oral de Navarra Revisada (Navarra Oral Language Test, Revised)]. Five copy number variations (CNVs) were identified in the child: arr[hg18] 7q32.1q33(127109685-132492196)*1, 8p23.1(7156900-7359099) *1, 15q13.1(26215673-26884937)*1, Xp22.33(17245- 102434)*3, and Xp22.33(964441-965024)*3. The pathogenicity of similar CNVs is mostly reported as unknown. The largest deletion is found in a hot spot for cognitive disease and language impairment and contains several genes involved in brain development and function, many of which have been related to developmental disorders encompassing language deficits (dyslexia, speech-sound disorder, and autism). Some of these genes interact with FOXP2. The proband's phenotype may result from a reduced expression of some of these genes. PMID- 27867346 TI - An Event-Based Neurobiological Recognition System with Orientation Detector for Objects in Multiple Orientations. AB - A new multiple orientation event-based neurobiological recognition system is proposed by integrating recognition and tracking function in this paper, which is used for asynchronous address-event representation (AER) image sensors. The characteristic of this system has been enriched to recognize the objects in multiple orientations with only training samples moving in a single orientation. The system extracts multi-scale and multi-orientation line features inspired by models of the primate visual cortex. An orientation detector based on modified Gaussian blob tracking algorithm is introduced for object tracking and orientation detection. The orientation detector and feature extraction block work in simultaneous mode, without any increase in categorization time. An addresses lookup table (addresses LUT) is also presented to adjust the feature maps by addresses mapping and reordering, and they are categorized in the trained spiking neural network. This recognition system is evaluated with the MNIST dataset which have played important roles in the development of computer vision, and the accuracy is increased owing to the use of both ON and OFF events. AER data acquired by a dynamic vision senses (DVS) are also tested on the system, such as moving digits, pokers, and vehicles. The experimental results show that the proposed system can realize event-based multi-orientation recognition. The work presented in this paper makes a number of contributions to the event-based vision processing system for multi-orientation object recognition. It develops a new tracking-recognition architecture to feedforward categorization system and an address reorder approach to classify multi-orientation objects using event-based data. It provides a new way to recognize multiple orientation objects with only samples in single orientation. PMID- 27867347 TI - Susceptibility of Mutant SOD1 to Form a Destabilized Monomer Predicts Cellular Aggregation and Toxicity but Not In vitro Aggregation Propensity. AB - Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disease characterized by the rapid and progressive degeneration of upper and lower motor neurons in the spinal cord, brain stem and motor cortex. The first gene linked to ALS was the gene encoding the free radical scavenging enzyme superoxide dismutase 1 (SOD1) that currently has over 180, mostly missense, ALS-associated mutations identified. SOD1-associated fALS patients show remarkably broad mean survival times (<1 year to ~17 years death post-diagnosis) that are mutation dependent. A hallmark of SOD1-associated ALS is the deposition of SOD1 into large insoluble aggregates in motor neurons. This is thought to be a consequence of mutation induced structural destabilization and/or oxidative damage leading to the misfolding and aggregation of SOD1 into a neurotoxic species. Here we aim to understand the relationship between SOD1 variant toxicity, structural stability, and aggregation propensity using a combination of cell culture and purified protein assays. Cell based assays indicated that aggregation of SOD1 variants correlate closely to cellular toxicity. However, the relationship between cellular toxicity and disease severity was less clear. We next utilized mass spectrometry to interrogate the structural consequences of metal loss and disulfide reduction on fALS-associated SOD1 variant structure. All variants showed evidence of unfolded, intermediate, and compact conformations, with SOD1G37R, SOD1G93A and SOD1V148G having the greatest abundance of intermediate and unfolded SOD1. SOD1G37R was an informative outlier as it had a high propensity to unfold and form oligomeric aggregates, but it did not aggregate to the same extent as SOD1G93A and SOD1V148G in in vitro aggregation assays. Furthermore, seeding the aggregation of DTT/EDTA-treated SOD1G37R with preformed SOD1G93A fibrils elicited minimal aggregation response, suggesting that the arginine substitution at position-37 blocks the templating of SOD1 onto preformed fibrils. We propose that this difference may be explained by multiple strains of SOD1 aggregate and this may also help explain the slow disease progression observed in patients with SOD1G37R. PMID- 27867348 TI - Better Targeting, Better Efficiency for Wide-Scale Neuronal Transduction with the Synapsin Promoter and AAV-PHP.B. AB - Widespread genetic modification of cells in the central nervous system (CNS) with a viral vector has become possible and increasingly more efficient. We previously applied an AAV9 vector with the cytomegalovirus/chicken beta-actin (CBA) hybrid promoter and achieved wide-scale CNS transduction in neonatal and adult rats. However, this method transduces a variety of tissues in addition to the CNS. Thus we studied intravenous AAV9 gene transfer with a synapsin promoter to better target the neurons. We noted in systematic comparisons that the synapsin promoter drives lower level expression than does the CBA promoter. The engineered adeno associated virus (AAV)-PHP.B serotype was compared with AAV9, and AAV-PHP.B did enhance the efficiency of expression. Combining the synapsin promoter with AAV PHP.B could therefore be advantageous in terms of combining two refinements of targeting and efficiency. Wide-scale expression was used to model a disease with widespread pathology. Vectors encoding the amyotrophic lateral sclerosis (ALS) related protein transactive response DNA-binding protein, 43 kDa (TDP-43) with the synapsin promoter and AAV-PHP.B were used for efficient CNS-targeted TDP-43 expression. Intracerebroventricular injections were also explored to limit TDP-43 expression to the CNS. The neuron-selective promoter and the AAV-PHP.B enhanced gene transfer and ALS disease modeling in adult rats. PMID- 27867349 TI - Baclofen Protects Primary Rat Retinal Ganglion Cells from Chemical Hypoxia Induced Apoptosis Through the Akt and PERK Pathways. AB - Retinal ganglion cells (RGCs) consume large quantities of energy to convert light information into a neuronal signal, which makes them highly susceptible to hypoxic injury. This study aimed to investigate the potential protection by baclofen, a GABAB receptor agonist of RGCs against hypoxia-induced apoptosis. Cobalt chloride (CoCl2) was applied to mimic hypoxia. Primary rat RGCs were subjected to CoCl2 with or without baclofen treatment, and RNA interference techniques were used to knock down the GABAB2 gene in the primary RGCs. The viability and apoptosis of RGCs were assessed using cell viability and terminal deoxynucleotidyl transferase-mediated dUTP nick end-labeling (TUNEL) assays, Hoechst staining, and flow cytometry. The expression of cleaved caspase-3, bcl-2, bax, Akt, phospho-Akt, protein kinase RNA (PKR)-like ER kinase (PERK), phospho PERK, eIF2alpha, phospho-eIF2alpha, ATF-4 and CCAAT/enhancer-binding protein homologous protein (CHOP) were measured using western blotting. GABAB2 mRNA expression was determined using quantitative real-time polymerase chain reaction (qRT-PCR) analysis. Our study revealed that CoCl2 significantly induced RGC apoptosis and that baclofen reversed these effects. CoCl2-induced reduction of Akt activity was also reversed by baclofen. Baclofen prevented the activation of the PERK pathway and the increase in CHOP expression induced by CoCl2. Knockdown of GABAB2 and the inactivation of the Akt pathway by inhibitors reduced the protective effect of baclofen on CoCl2-treated RGCs. Taken together, these results demonstrate that baclofen protects RGCs from CoCl2-induced apoptosis by increasing Akt activity and by suppressing the PERK pathway and CHOP activation. PMID- 27867350 TI - Berlyne Revisited: Evidence for the Multifaceted Nature of Hedonic Tone in the Appreciation of Paintings and Music. AB - In his seminal book on esthetics, Berlyne (1971) posited an inverted-U relationship between complexity and hedonic tone in arts appreciation, however, converging evidence for his theory is still missing. The disregard of the multidimensionality of complexity may explain some of the divergent results. Here, we argue that definitions of hedonic tone are manifold and systematically examined whether the nature of the relationship between complexity and hedonic tone is determined by the specific measure of hedonic tone. In Experiment 1, we studied three picture categories with similar affective and semantic contents: 96 affective environmental scenes, which were also converted into 96 cartoons, and 96 representational paintings. Complexity varied along the dimension of elements. In a between-subjects design, each stimulus was presented for 5 s to 206 female participants. Subjective ratings of hedonic tone (either beauty, pleasantness or liking), arousal, complexity and familiarity were collected in three conditions per stimulus set. Complexity and arousal were positively associated in all conditions, with the strongest association observed for paintings. For environmental scenes and cartoons, there was no significant association between complexity and hedonic tone, and the three measures of hedonic tone were highly correlated (all rs > 0.85). As predicted, in paintings the measures of hedonic tone were less strongly correlated (all rs > 0.73), and when controlling for familiarity, the association with complexity was significantly positive for beauty (rs = 0.26), weakly negative for pleasantness (rs = -0.16) and not present for liking. Experiment 2 followed a similar approach and 77 female participants, all non-musicians, rated 92 musical excerpts (15 s) in three conditions of hedonic tone (either beauty, pleasantness or liking). Results indicated a strong relationship between complexity and arousal (all rs > 0.85). When controlling for familiarity effects, the relationship between complexity and beauty followed an inverted-U curve, whereas the relationship between complexity and pleasantness was negative (rs = -0.26) and the one between complexity and liking positive (rs = 0.29). We relate our results to Berlyne's theory and the latest findings in neuroaesthetics, proposing that future studies need to acknowledge the multifaceted nature of hedonic tone in esthetic experiences of artforms. PMID- 27867351 TI - Advice Taking from Humans and Machines: An fMRI and Effective Connectivity Study. AB - With new technological advances, advice can come from different sources such as machines or humans, but how individuals respond to such advice and the neural correlates involved need to be better understood. We combined functional MRI and multivariate Granger causality analysis with an X-ray luggage-screening task to investigate the neural basis and corresponding effective connectivity involved with advice utilization from agents framed as experts. Participants were asked to accept or reject good or bad advice from a human or machine agent with low reliability (high false alarm rate). We showed that unreliable advice decreased performance overall and participants interacting with the human agent had a greater depreciation of advice utilization during bad advice compared to the machine agent. These differences in advice utilization can be perceivably due to reevaluation of expectations arising from association of dispositional credibility for each agent. We demonstrated that differences in advice utilization engaged brain regions that may be associated with evaluation of personal characteristics and traits (precuneus, posterior cingulate cortex, temporoparietal junction) and interoception (posterior insula). We found that the right posterior insula and left precuneus were the drivers of the advice utilization network that were reciprocally connected to each other and also projected to all other regions. Our behavioral and neuroimaging results have significant implications for society because of progressions in technology and increased interactions with machines. PMID- 27867353 TI - Simultaneous Bayesian Estimation of Excitatory and Inhibitory Synaptic Conductances by Exploiting Multiple Recorded Trials. AB - Advanced statistical methods have enabled trial-by-trial inference of the underlying excitatory and inhibitory synaptic conductances (SCs) of membrane potential recordings. Simultaneous inference of both excitatory and inhibitory SCs sheds light on the neural circuits underlying the neural activity and advances our understanding of neural information processing. Conventional Bayesian methods can infer excitatory and inhibitory SCs based on a single trial of observed membrane potential. However, if multiple recorded trials are available, this typically leads to suboptimal estimation because they neglect common statistics (of synaptic inputs (SIs)) across trials. Here, we establish a new expectation maximization (EM) algorithm that improves such single-trial Bayesian methods by exploiting multiple recorded trials to extract common SI statistics across the trials. In this paper, the proposed EM algorithm is embedded in parallel Kalman filters or particle filters for multiple recorded trials to integrate their outputs to iteratively update the common SI statistics. These statistics are then used to infer the excitatory and inhibitory SCs of individual trials. We demonstrate the superior performance of multiple-trial Kalman filtering (MtKF) and particle filtering (MtPF) relative to that of the corresponding single-trial methods. While relative estimation error of excitatory and inhibitory SCs is known to depend on the level of current injection into a cell, our numerical simulations using MtKF show that both excitatory and inhibitory SCs are reliably inferred using an optimal level of current injection. Finally, we validate the robustness and applicability of our technique through simulation studies, and we apply MtKF to in vivo data recorded from the rat barrel cortex. PMID- 27867352 TI - Aberrant Functional Connectivity between the Amygdala and the Temporal Pole in Drug-Free Generalized Anxiety Disorder. AB - The amygdala and the dorsolateral prefrontal cortex (DLPFC) play important roles in "emotion dysregulation," which has a profound impact on etiologic research of generalized anxiety disorder (GAD). The present study analyzed both eyes-open and eyes-closed resting state functional MRI (rs-fMRI) of 43 subjects (21 GAD patients with medicine free and 22 matched healthy controls). The amygdala and the DLPFC were defined as regions of interest (ROI) to analyze functional connectivity (FC) in GAD patients compared with healthy controls. The main findings revealed GAD patients had increased FC between the amygdala and the temporal pole compared to healthy controls, which was found in both eyes-open and eyes-closed rs-fMRI. And altered FC between the ROIs and brain regions that mainly belonged to the default mode network (DMN) were found. These findings suggest that the abnormal FC between the amygdala and the temporal pole may contribute to the pathophysiology of GAD, and provide insights into the current understanding of the emotion dysregulation of anxiety disorders. PMID- 27867355 TI - Methods for Specifying Scientific Data Standards and Modeling Relationships with Applications to Neuroscience. AB - Neuroscience continues to experience a tremendous growth in data; in terms of the volume and variety of data, the velocity at which data is acquired, and in turn the veracity of data. These challenges are a serious impediment to sharing of data, analyses, and tools within and across labs. Here, we introduce BRAINformat, a novel data standardization framework for the design and management of scientific data formats. The BRAINformat library defines application-independent design concepts and modules that together create a general framework for standardization of scientific data. We describe the formal specification of scientific data standards, which facilitates sharing and verification of data and formats. We introduce the concept of Managed Objects, enabling semantic components of data formats to be specified as self-contained units, supporting modular and reusable design of data format components and file storage. We also introduce the novel concept of Relationship Attributes for modeling and use of semantic relationships between data objects. Based on these concepts we demonstrate the application of our framework to design and implement a standard format for electrophysiology data and show how data standardization and relationship-modeling facilitate data analysis and sharing. The format uses HDF5, enabling portable, scalable, and self-describing data storage and integration with modern high-performance computing for data-driven discovery. The BRAINformat library is open source, easy-to-use, and provides detailed user and developer documentation and is freely available at: https://bitbucket.org/oruebel/brainformat. PMID- 27867354 TI - A Symmetry-Based Method to Infer Structural Brain Networks from Probabilistic Tractography Data. AB - Recent progress in diffusion MRI and tractography algorithms as well as the launch of the Human Connectome Project (HCP) have provided brain research with an abundance of structural connectivity data. In this work, we describe and evaluate a method that can infer the structural brain network that interconnects a given set of Regions of Interest (ROIs) from probabilistic tractography data. The proposed method, referred to as Minimum Asymmetry Network Inference Algorithm (MANIA), does not determine the connectivity between two ROIs based on an arbitrary connectivity threshold. Instead, we exploit a basic limitation of the tractography process: the observed streamlines from a source to a target do not provide any information about the polarity of the underlying white matter, and so if there are some fibers connecting two voxels (or two ROIs) X and Y, tractography should be able in principle to follow this connection in both directions, from X to Y and from Y to X. We leverage this limitation to formulate the network inference process as an optimization problem that minimizes the (appropriately normalized) asymmetry of the observed network. We evaluate the proposed method using both the FiberCup dataset and based on a noise model that randomly corrupts the observed connectivity of synthetic networks. As a case study, we apply MANIA on diffusion MRI data from 28 healthy subjects to infer the structural network between 18 corticolimbic ROIs that are associated with various neuropsychiatric conditions including depression, anxiety and addiction. PMID- 27867356 TI - Cyanidin-3-O-Glucoside Protects against 1,3-Dichloro-2-Propanol-Induced Reduction of Progesterone by Up-regulation of Steroidogenic Enzymes and cAMP Level in Leydig Cells. AB - 1,3-Dichloro-2-propanol (1,3-DCP) is a food processing contaminant and has been shown to perturb male reproductive function. Cyanidin-3-O-glucoside (C3G), an anthocyanin antioxidant, is reported to have protective effects on many organs. However, it remains unclear whether C3G protects against chemical-induced reproductive toxicity. The present study was therefore to investigate the intervention of C3G on 1,3-DCP-induced reproductive toxicity in R2C Leydig cells. Results demonstrated that C3G inhibited the 1,3-DCP-induced cytotoxicity and cell shape damage with the effective doses being ranging from 10 to 40 MUmol/L. In addition, 1,3-DCP (2 mmol/L) exposure significantly increased the ROS level and mitochondrial membrane potential damage ratio, leading to a decrease in progesterone production, while C3G intervention reduced the ROS level, and increased the progesterone production after 24 h treatment. Most importantly, C3G intervention could up-regulate the cyclic adenosine monophosphate (cAMP) level and protein expression of steroidogenic acute regulatory protein and 3beta hydroxysteroid dehydrogenase. It was concluded that C3G is effective in reducing 1,3-DCP-induced reproductive toxicity via activating steroidogenic enzymes and cAMP level. PMID- 27867357 TI - Machine Perfusion of Porcine Livers with Oxygen-Carrying Solution Results in Reprogramming of Dynamic Inflammation Networks. AB - Background:Ex vivo machine perfusion (MP) can better preserve organs for transplantation. We have recently reported on the first application of an MP protocol in which liver allografts were fully oxygenated, under dual pressures and subnormothermic conditions, with a new hemoglobin-based oxygen carrier (HBOC) solution specifically developed for ex vivo utilization. In those studies, MP improved organ function post-operatively and reduced inflammation in porcine livers. Herein, we sought to refine our knowledge regarding the impact of MP by defining dynamic networks of inflammation in both tissue and perfusate. Methods: Porcine liver allografts were preserved either with MP (n = 6) or with cold static preservation (CSP; n = 6), then transplanted orthotopically after 9 h of preservation. Fourteen inflammatory mediators were measured in both tissue and perfusate during liver preservation at multiple time points, and analyzed using Dynamic Bayesian Network (DyBN) inference to define feedback interactions, as well as Dynamic Network Analysis (DyNA) to define the time-dependent development of inflammation networks. Results: Network analyses of tissue and perfusate suggested an NLRP3 inflammasome-regulated response in both treatment groups, driven by the pro-inflammatory cytokine interleukin (IL)-18 and the anti inflammatory mediator IL-1 receptor antagonist (IL-1RA). Both DyBN and DyNA suggested a reduced role of IL-18 and increased role of IL-1RA with MP, along with increased liver damage with CSP. DyNA also suggested divergent progression of responses over the 9 h preservation time, with CSP leading to a stable pattern of IL-18-induced liver damage and MP leading to a resolution of the pro inflammatory response. These results were consistent with prior clinical, biochemical, and histological findings after liver transplantation. Conclusion: Our results suggest that analysis of dynamic inflammation networks in the setting of liver preservation may identify novel diagnostic and therapeutic modalities. PMID- 27867358 TI - Biased Agonism of Three Different Cannabinoid Receptor Agonists in Mouse Brain Cortex. AB - Cannabinoid receptors are able to couple to different families of G proteins when activated by an agonist drug. It has been suggested that different intracellular responses may be activated depending on the ligand. The goal of the present study was to characterize the pattern of G protein subunit stimulation triggered by three different cannabinoid ligands, Delta9-THC, WIN55212-2, and ACEA in mouse brain cortex. Stimulation of the [35S]GTPgammaS binding coupled to specific immunoprecipitation with antibodies against different subtypes of G proteins (Galphai1, Galphai2, Galphai3, Galphao, Galphaz, Galphas, Galphaq/11, and Galpha12/13), in the presence of Delta9-THC, WIN55212-2 and ACEA (submaximal concentration 10 MUM) was determined by scintillation proximity assay (SPA) technique in mouse cortex of wild type, CB1 knock-out, CB2 knock-out and CB1/CB2 double knock-out mice. Results show that, in mouse brain cortex, cannabinoid agonists are able to significantly stimulate not only the classical inhibitory Galphai/o subunits but also other G subunits like Galphaz, Galphaq/11, and Galpha12/13. Moreover, the specific pattern of G protein subunit activation is different depending on the ligand. In conclusion, our results demonstrate that, in mice brain native tissue, different exogenous cannabinoid ligands are able to selectively activate different inhibitory and non-inhibitory Galpha protein subtypes, through the activation of CB1 and/or CB2 receptors. Results of the present study may help to understand the specific molecular pathways involved in the pharmacological effects of cannabinoid-derived drugs. PMID- 27867360 TI - Inflammatory Cytokines and BDNF Response to High-Intensity Intermittent Exercise: Effect the Exercise Volume. AB - The purpose of this study was to compare the effects of two similar high intensity intermittent exercises (HIIE) but different volume 1.25 km (HIIE1.25) and 2.5 km (HIIE2.5) on inflammatory and BDNF responses. Ten physically active male subjects (age 25.22 +/- 1.74 years, body mass 78.98 +/- 7.31 kg, height 1.78 +/- 0.06 m, VO2peak 59.94 +/- 9.38 ml.kg.min-1) performed an incremental treadmill exercise test and randomly completed two sessions of HIIE on a treadmill (1:1 min at vVO2max with passive recovery). Blood samples were collected at rest, immediately and 60-min after the exercise sessions. Serum was analyzed for glucose, lactate, IL-6, IL-10, and BDNF levels. Blood lactate concentrations was higher immediately post-exercise compared to rest (HIIE1.25: 1.69 +/- 0.26-7.78 +/- 2.09 mmol.L-1, and HIIE2.5: 1.89 +/- 0.26-7.38 +/- 2.57 mmol.L-1, p < 0.0001). Glucose concentrations did not present changes under the different conditions, however, levels were higher 60-min post-exercise than at rest only in the HIIE1.25 condition (rest: 76.80 +/- 11.14-97.84 +/- 24.87 mg.dL 1, p < 0.05). BDNF level increased immediately after exercise in both protocols (HIIE1.25: 9.71 +/- 306-17.86 +/- 8.59 ng.mL-1, and HIIE2.5: 11.83 +/- 5.82-22.84 +/- 10.30 ng.mL-1). Although both exercises increased IL-6, level percent between rest and immediately after exercise was higher in the HIIE2.5 than HIIE1.25 (30 and 10%; p = 0.014, respectively). Moreover, IL-10 levels percent increase between immediately and 60-min post-exercise was higher in HIIE2.5 than HIIE1.25 (37 and 10%; p = 0.012, respectively). In conclusion, both HIIE protocols with the same intensity were effective to increase BDNF and IL-6 levels immediately after exercise while only IL-10 response was related to the durantion of exercise indicanting the importance of this exercise prescription variable. PMID- 27867361 TI - Calcium-Sensing Receptor Regulates Cytosolic [Ca 2+ ] and Plays a Major Role in the Development of Pulmonary Hypertension. AB - Pulmonary arterial hypertension (PAH) is a progressive disease characterized by elevated pulmonary vascular resistance (PVR) leading to right heart failure and premature death. The increased PVR results in part from pulmonary vascular remodeling and sustained pulmonary vasoconstriction. Excessive pulmonary vascular remodeling stems from increased pulmonary arterial smooth muscle cell (PASMC) proliferation and decreased PASMC apoptosis. A rise in cytosolic free Ca2+ concentration ([Ca2+]cyt) in PASMC is a major trigger for pulmonary vasoconstriction and a key stimulus for PASMC proliferation and migration, both contributing to the development of pulmonary vascular remodeling. PASMC from patients with idiopathic PAH (IPAH) have increased resting [Ca2+]cyt and enhanced Ca2+ influx. Enhanced Ca2+ entry into PASMC due to upregulation of membrane receptors and/or Ca2+ channels may contribute to PASMC contraction and proliferation and to pulmonary vasoconstriction and pulmonary vascular remodeling. We have shown that the extracellular Ca2+-sensing receptor (CaSR), which is a member of G protein-coupled receptor (GPCR) subfamily C, is upregulated, and the extracellular Ca2+-induced increase in [Ca2+]cyt is enhanced in PASMC from patients with IPAH in comparison to PASMC from normal subjects. Pharmacologically blockade of CaSR significantly attenuate the development and progression of experimental pulmonary hypertension in animals. Additionally, we have demonstrated that dihydropyridine Ca2+ channel blockers (e.g., nifedipine), which are used to treat PAH patients but are only effective in 15-20% of patients, activate CaSR resulting in an increase in [Ca2+]cyt in IPAH-PASMC, but not normal PASMC. Our data indicate that CaSR functionally couples with transient receptor potential canonical (TRPC) channels to mediate extracellular Ca2+ induced Ca2+ influx and increase in [Ca2+]cyt in IPAH-PASMC. Upregulated CaSR is necessary for the enhanced extracellular Ca2+-induced increase in [Ca2+]cyt and the augmented proliferation of PASMC in patients with IPAH. This review will highlight the pathogenic role of CaSR in the development and progression of PAH. PMID- 27867362 TI - Association between Myocardial Infarction and Periodontitis: A Meta-Analysis of Case-Control Studies. AB - Background and Objective: Many clinical researches have been carried out to investigate the relationship between myocardial infarction (MI) and periodontitis. Despite most of them indicated that the periodontitis may be associated with an increased risk of MI, the findings and study types of these studies have been inconsistent. The goal of this meta-analysis was to critically assess the strength of the association between MI and periodontitis in case control studies. Methods: PubMed and the Cochrane Library were searched for eligible case-control studies reporting relevant parameters that compared periodontal status between MI and control subjects. The odds ratios (ORs) and 95% confidence intervals (CIs) from each study were pooled to estimate the strength of the association between MI and periodontitis. The mean differences and 95% CIs for periodontal-related parameters were calculated to determine their overall effects. Results: Seventeen studies including a total of 3456 MI patients and 3875 non-MI control subjects were included. The pooled OR for the association between MI and periodontitis was 2.531 (95% CI: 1.927-3.324). The mean differences (95% CIs) for clinical attachment loss, probing depth, bleeding on probing, plaque index, and the number of missing teeth were 1.000 (0.726-1.247), 1.209 (0.538-1.880), 0.342 (0.129-0.555), 0.383 (0.205-0.560), and 4.122 (2.012 6.232), respectively. Conclusion: With the current evidence, the results support the presence of a significant association between MI and periodontitis. Moreover, MI patients had worse periodontal and oral hygiene status and fewer teeth than did control subjects. More high-quality and well-designed studies focusing on the casual relationship between MI and periodontitis should be conducted in the future. PMID- 27867359 TI - Physiology and Evolution of Voltage-Gated Calcium Channels in Early Diverging Animal Phyla: Cnidaria, Placozoa, Porifera and Ctenophora. AB - Voltage-gated calcium (Cav) channels serve dual roles in the cell, where they can both depolarize the membrane potential for electrical excitability, and activate transient cytoplasmic Ca2+ signals. In animals, Cav channels play crucial roles including driving muscle contraction (excitation-contraction coupling), gene expression (excitation-transcription coupling), pre-synaptic and neuroendocrine exocytosis (excitation-secretion coupling), regulation of flagellar/ciliary beating, and regulation of cellular excitability, either directly or through modulation of other Ca2+-sensitive ion channels. In recent years, genome sequencing has provided significant insights into the molecular evolution of Cav channels. Furthermore, expanded gene datasets have permitted improved inference of the species phylogeny at the base of Metazoa, providing clearer insights into the evolution of complex animal traits which involve Cav channels, including the nervous system. For the various types of metazoan Cav channels, key properties that determine their cellular contribution include: Ion selectivity, pore gating, and, importantly, cytoplasmic protein-protein interactions that direct sub cellular localization and functional complexing. It is unclear when these defining features, many of which are essential for nervous system function, evolved. In this review, we highlight some experimental observations that implicate Cav channels in the physiology and behavior of the most early-diverging animals from the phyla Cnidaria, Placozoa, Porifera, and Ctenophora. Given our limited understanding of the molecular biology of Cav channels in these basal animal lineages, we infer insights from better-studied vertebrate and invertebrate animals. We also highlight some apparently conserved cellular functions of Cav channels, which might have emerged very early on during metazoan evolution, or perhaps predated it. PMID- 27867364 TI - An Objective Screening Method for Major Depressive Disorder Using Logistic Regression Analysis of Heart Rate Variability Data Obtained in a Mental Task Paradigm. AB - BACKGROUND AND OBJECTIVES: Heart rate variability (HRV) has been intensively studied as a promising biological marker of major depressive disorder (MDD). Our previous study confirmed that autonomic activity and reactivity in depression revealed by HRV during rest and mental task (MT) conditions can be used as diagnostic measures and in clinical evaluation. In this study, logistic regression analysis (LRA) was utilized for the classification and prediction of MDD based on HRV data obtained in an MT paradigm. METHODS: Power spectral analysis of HRV on R-R intervals before, during, and after an MT (random number generation) was performed in 44 drug-naive patients with MDD and 47 healthy control subjects at Department of Psychiatry in Shizuoka Saiseikai General Hospital. Logit scores of LRA determined by HRV indices and heart rates discriminated patients with MDD from healthy subjects. The high frequency (HF) component of HRV and the ratio of the low frequency (LF) component to the HF component (LF/HF) correspond to parasympathetic and sympathovagal balance, respectively. RESULTS: The LRA achieved a sensitivity and specificity of 80.0 and 79.0%, respectively, at an optimum cutoff logit score (0.28). Misclassifications occurred only when the logit score was close to the cutoff score. Logit scores also correlated significantly with subjective self-rating depression scale scores (p < 0.05). CONCLUSION: HRV indices recorded during a MT may be an objective tool for screening patients with MDD in psychiatric practice. The proposed method appears promising for not only objective and rapid MDD screening but also evaluation of its severity. PMID- 27867363 TI - A Comparative Review of microRNA Expression Patterns in Autism Spectrum Disorder. AB - Autism spectrum disorder (ASD) is a neurodevelopmental disorder characterized by a wide spectrum of deficits in social interaction, communication, and behavior. There is a significant genetic component to ASD, yet no single gene variant accounts for >1% of incidence. Posttranscriptional mechanisms such as microRNAs (miRNAs) regulate gene expression without altering the genetic code. They are abundant in the developing brain and are dysregulated in children with ASD. Patterns of miRNA expression are altered in the brain, blood, saliva, and olfactory precursor cells of ASD subjects. The ability of miRNAs to regulate broad molecular pathways in response to environmental stimuli makes them an intriguing player in ASD, a disorder characterized by genetic predisposition with ill-defined environmental triggers. In addition, the availability and extracellular stability of miRNAs make them an ideal candidate for biomarker discovery. Here, we discuss 27 miRNAs with overlap across ASD studies, including 3 miRNAs identified in 3 or more studies (miR-23a, miR-146a, and miR-106b). Together, these 27 miRNAs have 1245 high-confidence mRNA targets, a significant number of which are expressed in the brain. Furthermore, these mRNA targets demonstrate over-representation of autism-related genes with enrichment of neurotrophic signaling molecules. Brain-derived neurotrophic factor, a molecule involved in hippocampal neurogenesis and altered in ASD, is targeted by 6 of the 27 miRNAs of interest. This neurotrophic pathway represents one intriguing mechanism by which perturbations in miRNA signaling might influence central nervous system development in children with ASD. PMID- 27867365 TI - Gender Agreement Attraction in Russian: Production and Comprehension Evidence. AB - Agreement attraction errors (such as the number error in the example "The key to the cabinets are rusty") have been the object of many studies in the last 20 years. So far, almost all production experiments and all comprehension experiments looked at binary features (primarily at number in Germanic, Romance, and some other languages, in several cases at gender in Romance languages). Among other things, it was noted that both in production and in comprehension, attraction effects are much stronger for some feature combinations than for the others: they can be observed in the sentences with singular heads and plural dependent nouns (e.g.,"The key to the cabinets..."), but not in the sentences with plural heads and singular dependent nouns (e.g., "The keys to the cabinet..."). Almost all proposed explanations of this asymmetry appeal to feature markedness, but existing findings do not allow teasing different approaches to markedness apart. We report the results of four experiments (one on production and three on comprehension) studying subject-verb gender agreement in Russian, a language with three genders. Firstly, we found attraction effects both in production and in comprehension, but, unlike in the case of number agreement, they were not parallel (in production, feminine gender triggered strongest effects, while neuter triggered weakest effects, while in comprehension, masculine triggered weakest effects). Secondly, in the comprehension experiments attraction was observed for all dependent noun genders, but only for a subset of head noun genders. This goes against the traditional assumption that the features of the dependent noun are crucial for attraction, showing the features of the head are more important. We demonstrate that this approach can be extended to previous findings on attraction and that there exists other evidence for it. In total, these findings let us reconsider the question which properties of features are crucial for agreement attraction in production and in comprehension. PMID- 27867366 TI - The Impact of Perspective Change As a Cognitive Reappraisal Strategy on Affect: A Systematic Review. AB - The strategic or deliberate adoption of a cognitively distanced, third-person perspective is proposed to adaptively regulate emotions. However, studies of psychological disorders suggest spontaneous adoption of a third-person perspective reflects counter-productive avoidance. Here, we review studies that investigate the deliberate adoption of a third- or first-person vantage perspective and its impact on affect in healthy people, "sub-clinical" populations and those with psychological disorders. A systematic search was conducted across four databases. After exclusion criteria were applied, 38 studies were identified that investigated the impact of both imagery and verbal instructions designed to encourage adoption of a third-person perspective on self reported affect. The identified studies examined a variety of outcomes related to recalling memories, imagining scenarios and mood induction. These were associated with specific negative emotions or mood states (dysphoria/sadness, anxiety, anger), mixed or neutral affect autobiographical memories, and self-conscious affect (e.g., guilt). Engaging a third-person perspective was generally associated with a reduction in the intensity of positive and negative affect. Studies that included measures of semantic change, suggested that this is a key mediator in reduction of affect following perspective change. Strategically adopting a "distanced," third-person perspective is linked to a reduction in affect intensity across valence, but in addition has the potential to introduce new information that regulates emotion via semantic change. Such reappraisal distinguishes deliberate adoption of a distanced perspective from the habitual and/or spontaneous shift in perspective that occurs in psychopathology. PMID- 27867367 TI - Mentalizing and Information Propagation through Social Network: Evidence from a Resting-State-fMRI Study. AB - Microblogs is one of the main social networking channels by which information is spread. Among them, Sina Weibo is one of the largest social networking channels in China. Millions of users repost information from Sina Weibo and share embedded emotion at the same time. The present study investigated participants' propensity to repost microblog messages of positive, negative, or neutral valence, and studied the neural correlates during resting state with the reposting rate of each type microblog messages. Participants preferred to repost negative messages relative to positive and neutral messages. Reposting rate of negative messages was positively correlated to the functional connectivity of temporoparietal junction (TPJ) with insula, and TPJ with dorsolateral prefrontal cortex. These results indicate that reposting negative messages is related to conflict resolution between the feeling of pain/disgust and the intention to repost significant information. Thus, resposting emotional microblog messages might be attributed to participants' appraisal of personal and recipient's interest, as well as their cognitive process for decision making. PMID- 27867368 TI - How do Co-agents Actively Regulate their Collective Behavior States? PMID- 27867369 TI - Formal Semantics in the Neurology Clinic: Atypical Understanding of Aspectual Coercion in ALS Patients. AB - Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disease of the motor system with subtle adverse effects on cognition. It is still unclear whether ALS also affects language and semantics, and if so, what aspects and processes exactly. We investigated how ALS patients understand verb phrases modified by temporal preposition phrases, e.g., "To watch TV for half an hour." Interpretation here requires operations such as aspectual coercion that add or delete elements from event structures, depending on temporal modifiers, and constraints on coercion, which make combinations with certain modifiers not viable. Using a theoretically-motivated experimental design, we observed that acceptance rates for aspectual coercion were abnormally high in ALS patients. The effect was largest for the more complex cases of coercion: not those that involve enrichment of event structures ("To switch on the TV in half an hour," where a number of failed attempts must be included in the interpretation) but those that, if applied, would result in deletion of event structure elements ("To repair the TV for half an hour"). Our experimental results are consistent with a deficit of constraints on coercion, and not with impaired semantic processes or representations, in line with recent studies suggesting that verb semantics is largely spared in ALS. PMID- 27867370 TI - Theory of Mind Deficits and Social Emotional Functioning in Preschoolers with Specific Language Impairment. AB - Children with Specific Language Impairment (SLI) often experience emotional and social difficulties. In general, problems in social emotional functioning can be cognitively explained in terms of Theory of Mind (ToM). In this mini-review, an overview is provided of studies on social-emotional functioning and ToM in preschoolers (average age from 2.3 to 6.2 years) with SLI. It is concluded that, similar to school-aged children with SLI, preschoolers with SLI have several social-emotional problems and that both cognitive and affective aspects of ToM are impaired in those children. Based hereon, three possible causal models for the interrelation between language, ToM and social emotional functioning are put forward. It is proposed that future research on the construct and measurement of early ToM, social emotional functioning and language development in preschoolers with SLI is needed to achieve early detection, tailored treatment, and ultimately insight into the pathogenesis of SLI. PMID- 27867371 TI - "Candidatus Gortzia shahrazadis", a Novel Endosymbiont of Paramecium multimicronucleatum and a Revision of the Biogeographical Distribution of Holospora-Like Bacteria. AB - Holospora spp. and "Candidatus Gortzia infectiva", known as Holospora-like bacteria (HLB), are commonly found as nuclear endosymbionts of ciliates, especially the Paramecium genus. HLB are related by phylogenetic relationships, morphological features, and life-cycles, which involve two alternating morphotypes: reproductive and infectious forms (RF, IF). In this paper we describe a novel species belonging to the "Ca. Gortzia" genus, detected in P. multimicronucleatum, a ciliate for which infection by an HLB has not been reported, discovered in India. This novel endosymbiont shows unusual and surprising features with respect to other HLB, such as large variations in IF morphology and the occasional ability to reproduce in the host cytoplasm. We propose the name of "Candidatus Gortzia shahrazadis" for this novel HLB. Moreover, we report two additional species of HLB from Indian Paramecium populations: "Ca. Gortzia infectiva" (from P. jenningsi), and H. obtusa (from P. caudatum); the latter is the first record of Holospora from a tropical country. Although tropical, we retrieved H. obtusa at an elevation of 706 m corresponding to a moderate climate not unlike conditions where Holospora are normally found, suggesting the genus Holospora does exist in tropical countries, but restricted to higher elevations. PMID- 27867372 TI - Overlapping Regions in HIV-1 Genome Act as Potential Sites for Host-Virus Interaction. AB - More than a decade, overlapping genes in RNA viruses became a subject of research which has explored various effect of gene overlapping on the evolution and function of viral genomes like genome size compaction. Additionally, overlapping regions (OVRs) are also reported to encode elevated degree of protein intrinsic disorder (PID) in unspliced RNA viruses. With the aim to explore the roles of OVRs in HIV-1 pathogenesis, we have carried out an in-depth analysis on the association of gene overlapping with PID in 35 HIV1- M subtypes. Our study reveals an over representation of PID in OVR of HIV-1 genomes. These disordered residues endure several vital, structural features like short linear motifs (SLiMs) and protein phosphorylation (PP) sites which are previously shown to be involved in massive host-virus interaction. Moreover, SLiMs in OVRs are noticed to be more functionally potential as compared to that of non-overlapping region. Although, density of experimentally verified SLiMs, resided in 9 HIV-1 genes, involved in host-virus interaction do not show any bias toward clustering into OVR, tat and rev two important proteins mediates host-pathogen interaction by their experimentally verified SLiMs, which are mostly localized in OVR. Finally, our analysis suggests that the acquisition of SLiMs in OVR is mutually exclusive of the occurrence of disordered residues, while the enrichment of PPs in OVR is solely dependent on PID and not on overlapping coding frames. Thus, OVRs of HIV-1 genomes could be demarcated as potential molecular recognition sites during host virus interaction. PMID- 27867374 TI - Editorial: Proteomics of Microbial Human Pathogens. PMID- 27867373 TI - Two Genetically Similar H9N2 Influenza A Viruses Show Different Pathogenicity in Mice. AB - H9N2 Avian influenza virus has repeatedly infected humans and other mammals, which highlights the need to determine the pathogenicity and the corresponding mechanism of this virus for mammals. In this study, we found two H9N2 viruses with similar genetic background but with different pathogenicity in mice. The A/duck/Nanjing/06/2003 (NJ06) virus was highly pathogenic for mice, with a 50% mouse lethal dose (MLD50) of 102.83 50% egg infectious dose (EID50), whereas the A/duck/Nanjing/01/1999 (NJ01) virus was low pathogenic for mice, with a MLD50 of >106.81 EID50. Further studies showed that the NJ06 virus grew faster and reached significantly higher titers than NJ01 in vivo and in vitro. Moreover, the NJ06 virus induced more severe lung lesions, and higher levels of inflammatory cellular infiltration and cytokine response in lungs than NJ01 did. However, only 12 different amino acid residues (HA-K157E, NA-A9T, NA-R435K, PB2-T149P, PB2 K627E, PB1-R187K, PA-L548M, PA-M550L, NP-G127E, NP-P277H, NP-D340N, NS1-D171N) were found between the two viruses, and all these residues except for NA-R435K were located in the known functional regions involved in interaction of viral proteins or between the virus and host factors. Summary, our results suggest that multiple amino acid differences may be responsible for the higher pathogenicity of the NJ06 virus for mice, resulting in lethal infection, enhanced viral replication, severe lung lesions, and excessive inflammatory cellular infiltration and cytokine response in lungs. These observations will be helpful for better understanding the pathogenic potential and the corresponding molecular basis of H9N2 viruses that might pose threats to human health in the future. PMID- 27867375 TI - Ceftriaxone Pulse Dosing Fails to Eradicate Biofilm-Like Microcolony B. burgdorferi Persisters Which Are Sterilized by Daptomycin/ Doxycycline/Cefuroxime without Pulse Dosing. AB - Although the majority of Lyme disease patients can be cured, at least 10-20% of the patients continue to suffer from persisting symptoms such as fatigue, muscular and joint pain, and neurologic impairment after standard 2-4 week antibiotic treatment. While the causes for this post-treatment Lyme disease symptoms are unclear, one possibility is due to Borrelia burgdorferi persisters that are not effectively killed by current antibiotics such as doxycycline or amoxicillin used to treat Lyme disease. A previous study showed that four rounds of ceftriaxone pulse dosing treatment eradicated B. burgdorferi persisters in vitro using a relatively young late log phase culture (5 day old). In this study, we investigated if ceftriaxone pulse dosing could also eradicate B. burgdorferi persisters in older stationary phase cultures (10 day old) enriched with more resistant microcolony form of persisters. We found that ceftriaxone pulse dosing could only eradicate planktonic log phase B. burgdorferi spirochetal forms and round body forms but not more resistant aggregated biofilm-like microcolony persisters enriched in stationary phase cultures. Moreover, we found that not all drugs are suitable for pulse dosing, with bactericidal drugs ceftriaxone and cefuroxime being more appropriate for pulse dosing than bacteriostatic drug doxycycline and persister drug daptomycin. We also showed that drug combination pulse dosing treatment was more effective than single drug pulse dosing. Importantly, we demonstrate that pulse dosing treatment impaired the activity of the persister drug daptomycin and its drug combination against B. burgdorferi persisters and that the most effective way to kill the more resistant biofilm like microcolonies is the daptomycin/doxycycline/ceftriaxone triple drug combination without pulse dosing. Our findings indicate pulse dosing may not always work as a general principle but rather depends on the specific drugs used, with cidal drugs being more appropriate for pulse dosing than static or persister drugs, and that drug combination approach with persister drugs is more effective at killing the more resistant microcolony form of persisters than pulse dosing. These observations may have implications for more effective treatment of Lyme disease. Future studies are required to validate these findings in animal models of B. burgdorferi persistence. PMID- 27867376 TI - The Exosporium of Bacillus megaterium QM B1551 Is Permeable to the Red Fluorescence Protein of the Coral Discosoma sp. AB - Bacterial spores spontaneously interact and tightly bind heterologous proteins. A variety of antigens and enzymes have been efficiently displayed on spores of Bacillus subtilis, the model system for spore formers. Adsorption on B. subtilis spores has then been proposed as a non-recombinant approach for the development of mucosal vaccine/drug delivery vehicles, biocatalysts, bioremediation, and diagnostic tools. We used spores of B. megaterium QM B1551 to evaluate their efficiency as an adsorption platform. Spores of B. megaterium are significantly larger than those of B. subtilis and of other Bacillus species and are surrounded by the exosporium, an outermost surface layer present only in some Bacillus species and lacking in B. subtilis. Strain QM B1551 of B. megaterium and a derivative strain totally lacking the exosporium were used to localize the adsorbed monomeric Red Fluorescent Protein (mRFP) of the coral Discosoma sp., used as a model heterologous protein. Our results indicate that spores of B. megaterium adsorb mRFP more efficiently than B. subtilis spores, that the exosporium is essential for mRFP adsorption, and that most of the adsorbed mRFP molecules are not exposed on the spore surface but rather localized in the space between the outer coat and the exosporium. PMID- 27867377 TI - Over-Expression of the Mycobacterial Trehalose-Phosphate Phosphatase OtsB2 Results in a Defect in Macrophage Phagocytosis Associated with Increased Mycobacterial-Macrophage Adhesion. AB - Trehalose-6-phosphate phosphatase (OtsB2) is involved in the OtsAB trehalose synthesis pathway to produce free trehalose and is strictly essential for mycobacterial growth. We wished to determine the effects of OtsB2 expression on mycobacterial phenotypes such as growth, phagocytosis and survival in macrophages. Mycobacterium bovis-bacillus calmette-guerin (BCG) over-expressing OtsB2 were able to better survive in stationary phase. Over-expression of OtsB2 led to a decrease in phagocytosis but not survival in THP-1 macrophage-like cells, and this was not due to a decrease in general macrophage phagocytic activity. Surprisingly, when we investigated macrophage-mycobacterial interactions by flow cytometry and atomic force microscopy, we discovered that BCG over-expressing OtsB2 have stronger binding to THP-1 cells than wild-type BCG. These results suggest that altering OtsB2 expression has implications for mycobacterial host-pathogen interactions. Macrophage-mycobacteria phagocytic interactions are complex and merit further study. PMID- 27867378 TI - Improved Pathogenicity of a Beet Black Scorch Virus Variant by Low Temperature and Co-infection with Its Satellite RNA. AB - Co-infection of none-coding satellite RNAs (sat-RNAs) usually inhibits replication and attenuates disease symptoms of helper viruses. However, we find that the sat-RNA of Beet black scorch virus (BBSV) and low temperature (18 degrees C) additively enhance the systemic infection of BBSV in Nicotiana benthamiana. Northern blotting hybridization revealed a relatively reduced accumulation of BBSV-derived small interfering RNAs (siRNAs) in presence of sat RNA as compared to that of BBSV alone. Cloning and sequencing of total small RNAs showed that more than 50% of the total small RNAs sequenced from BBSV-infected plants were BBSV-siRNAs, whereas the abundance of sat-siRNAs were higher than BBSV-siRNAs in the sat-RNA co-infected plants, indicating that the sat-RNA occupies most of the silencing components and possibly relieves the RNA silencing mediated defense against BBSV. Interestingly, the 5' termini of siRNAs derived from BBSV and sat-RNA were dominated by Uridines (U) and Adenines (A), respectively. Besides, the infection of BBSV alone and with sat-RNA induce down regulation of miR168 and miR403, respectively, which leads to high accumulation of their targets, Argonaute 1 (AGO1) and AGO2. Our work reveals the profiles of siRNAs of BBSV and sat-RNA and provides an additional clue to investigate the complicated interaction between the helper virus and sat-RNA. PMID- 27867380 TI - IMPre: An Accurate and Efficient Software for Prediction of T- and B-Cell Receptor Germline Genes and Alleles from Rearranged Repertoire Data. AB - Large-scale study of the properties of T-cell receptor (TCR) and B-cell receptor (BCR) repertoires through next-generation sequencing is providing excellent insights into the understanding of adaptive immune responses. Variable(Diversity)Joining [V(D)J] germline genes and alleles must be characterized in detail to facilitate repertoire analyses. However, most species do not have well-characterized TCR/BCR germline genes because of their high homology. Also, more germline alleles are required for humans and other species, which limits the capacity for studying immune repertoires. Herein, we developed "Immune Germline Prediction" (IMPre), a tool for predicting germline V/J genes and alleles using deep-sequencing data derived from TCR/BCR repertoires. We developed a new algorithm, "Seed_Clust," for clustering, produced a multiway tree for assembly and optimized the sequence according to the characteristics of rearrangement. We trained IMPre on human samples of T-cell receptor beta (TRB) and immunoglobulin heavy chain and then tested it on additional human samples. Accuracy of 97.7, 100, 92.9, and 100% was obtained for TRBV, TRBJ, IGHV, and IGHJ, respectively. Analyses of subsampling performance for these samples showed IMPre to be robust using different data quantities. Subsequently, IMPre was tested on samples from rhesus monkeys and human long sequences: the highly accurate results demonstrated IMPre to be stable with animal and multiple data types. With rapid accumulation of high-throughput sequence data for TCR and BCR repertoires, IMPre can be applied broadly for obtaining novel genes and a large number of novel alleles. IMPre is available at https://github.com/zhangwei2015/IMPre. PMID- 27867379 TI - Convergence of Innate and Adaptive Immunity during Human Aging. AB - Aging is associated with profound changes in the human immune system, a phenomenon referred to as immunosenescence. This complex immune remodeling affects the adaptive immune system and the CD8+ T cell compartment in particular, leading to the accumulation of terminally differentiated T cells, which can rapidly exert their effector functions at the expenses of a limited proliferative potential. In this review, we will discuss evidence suggesting that senescent alphabetaCD8+ T cells acquire the hallmarks of innate-like T cells and use recently acquired NK cell receptors as an alternative mechanism to mediate rapid effector functions. These cells concomitantly lose expression of co-stimulatory receptors and exhibit decreased T cell receptor signaling, suggesting a functional shift away from antigen-specific activation. The convergence of innate and adaptive features in senescent T cells challenges the classic division between innate and adaptive immune systems. Innate-like T cells are particularly important for stress and tumor surveillance, and we propose a new role for these cells in aging, where the acquisition of innate-like functions may represent a beneficial adaptation to an increased burden of malignancy with age, although it may also pose a higher risk of autoimmune disorders. PMID- 27867384 TI - Interleukin-27 Early Impacts Leishmania infantum Infection in Mice and Correlates with Active Visceral Disease in Humans. AB - The complexity of Leishmania-host interactions, one of the main leishmaniasis issues, is yet to be fully understood. We detected elevated IL-27 plasma levels in European patients with active visceral disease caused by Leishmania infantum, which returned to basal levels after successful treatment, suggesting this cytokine as a probable infection mediator. We further addressed this hypothesis recurring to two classical susceptible visceral leishmaniasis mouse models. BALB/c, but not C57BL/6 mice, showed increased IL-27 systemic levels after infection, which was associated with an upregulation of IL-27p28 expression by dendritic cells and higher parasite burdens. Neutralization of IL-27 in acutely infected BALB/c led to decreased parasite burdens and a transient increase in IFN gamma+ splenic T cells, while administration of IL-27 to C57BL/6 promoted a local anti-inflammatory cytokine response at the site of infection and increased parasite loads. Overall, we show that, as in humans, BALB/c IL-27 systemic levels are infection dependently upregulated and may favor parasite installation by controlling inflammation. PMID- 27867381 TI - A Critical Reappraisal of Neutrophil Extracellular Traps and NETosis Mimics Based on Differential Requirements for Protein Citrullination. AB - NETosis, an antimicrobial form of neutrophil cell death, is considered a primary source of citrullinated autoantigens in rheumatoid arthritis (RA) and immunogenic DNA in systemic lupus erythematosus (SLE). Activation of the citrullinating enzyme peptidylarginine deiminase type 4 (PAD4) is believed to be essential for neutrophil extracellular trap (NET) formation and NETosis. PAD4 is therefore viewed as a promising therapeutic target to inhibit the formation of NETs in both diseases. In this review, we examine the evidence for PAD4 activation during NETosis and provide experimental data to suggest that protein citrullination is not a universal feature of NETs. We delineate two distinct biological processes, leukotoxic hypercitrullination (LTH) and defective mitophagy, which have been erroneously classified as "NETosis." While these NETosis mimics share morphological similarities with NETosis (i.e., extracellular DNA release), they are biologically distinct. As such, these processes can be readily classified by their stimuli, activation of distinct biochemical pathways, the presence of hypercitrullination, and antimicrobial effector function. NETosis is an antimicrobial form of cell death that is NADPH oxidase-dependent and not associated with hypercitrullination. In contrast, LTH is NADPH oxidase independent and not bactericidal. Rather, LTH represents a bacterial strategy to achieve immune evasion. It is triggered by pore-forming pathways and equivalent signals that cumulate in calcium-dependent hyperactivation of PADs, protein hypercitrullination, and neutrophil death. The generation of citrullinated autoantigens in RA is likely driven by LTH, but not NETosis. Mitochondrial DNA (mtDNA) expulsion, the result of a constitutive defect in mitophagy, represents a second NETosis mimic. In the presence of interferon-alpha and immune complexes, this process can generate highly interferogenic oxidized mtDNA, which has previously been mistaken for NETosis in SLE. Distinguishing NETosis from LTH and defective mitophagy is paramount to understanding the role of neutrophil damage in immunity and the pathogenesis of human diseases. This provides a framework to design specific inhibitors of these distinct biological processes in human disease. PMID- 27867382 TI - IL-1beta, But Not Programed Death-1 and Programed Death Ligand Pathway, Is Critical for the Human Th17 Response to Mycobacterium tuberculosis. AB - The programed death-1 (PD-1)-programed death ligand-1 (PD-L1) and PD-L2 co inhibitory pathway has been implicated in the evasion strategies of Mycobacterium tuberculosis. Specifically, M. tuberculosis-induced PD-L1 orchestrates expansion of regulatory T cells and suppression of Th1 response. However, the role of PD pathway in regulating Th17 response to M. tuberculosis has not been investigated. In the present report, we demonstrate that M. tuberculosis and M. tuberculosis derived antigen fractions have differential abilities to mediate human monocyte- and dendritic cell (DC)-mediated Th17 response and were independent of expression of PD-L1 or PD-L2 on aforementioned antigen-presenting cells. Importantly, we observed that blockade of PD-L1 or PD-1 did not significantly modify either the frequencies of Th17 cells or the production of IL-17 from CD4+ T cells though IFN gamma response was significantly enhanced. On the contrary, IL-1beta from monocytes and DCs were critical for the Th17 response to M. tuberculosis. Together, our results indicate that IL-1beta, but not members of the programed death pathway, is critical for human Th17 response to M. tuberculosis. PMID- 27867383 TI - Environmental Toxicants-Induced Immune Responses in the Olfactory Mucosa. AB - Olfactory sensory neurons (OSNs) are the receptor cells for the sense of smell. Although cell bodies are located in the olfactory mucosa (OM) of the nasal cavity, OSN axons directly project to the olfactory bulb (OB) that is a component of the central nervous system (CNS). Because of this direct and short connection from this peripheral tissue to the CNS, the olfactory system has attracted attention as a port-of-entry for environmental toxicants that may cause neurological dysfunction. Selected viruses can enter the OB via the OM and directly affect the CNS. On the other hand, environmental toxicants may induce inflammatory responses in the OM, including infiltration of immune cells and production of inflammatory cytokines. In addition, these inflammatory responses cause the loss of OSNs that are then replaced with newly generated OSNs that re connect to the OB after inflammation has subsided. It is now known that immune cells and cytokines in the OM play important roles in both degeneration and regeneration of OSNs. Thus, the olfactory system is a unique neuroimmune interface where interaction between nervous and immune systems in the periphery significantly affects the structure, neuronal circuitry, and immunological status of the CNS. The mechanisms by which immune cells regulate OSN loss and the generation of new OSNs are, however, largely unknown. To help develop a better understanding of the mechanisms involved, we have provided a review of key research that has investigated how the immune response in the OM affects the pathophysiology of OSNs. PMID- 27867385 TI - Expanding Diversity in Molecular Structures and Functions of the IL-6/IL-12 Heterodimeric Cytokine Family. AB - The interleukin (IL)-6/IL-12 family cytokines have pleiotropic functions and play critical roles in multiple immune responses. This cytokine family has very unique characteristics in that they comprise two distinct subunits forming a heterodimer and each cytokine and receptor subunit shares with each other. The members of this cytokine family are increasing; currently, there are more than six cytokines, including the tentatively named cytokines IL-Y (p28/p40), IL-12 (p35/p40), IL-23 (p19/p40), IL-27 [p28/Epstein-Barr virus-induced protein 3 (EBI3)], IL-35 (p35/EBI3), and IL-39 (p19/EBI3). This family of cytokines covers a very broad range of immune responses, including pro-inflammatory responses, such as helper T (Th)1, Th2, and Th17, to anti-inflammatory responses, such as regulatory T (Treg) cells and IL-10-producing Treg cells. IL-12 is the first member of this family, and IL-12, IL-23, and IL-27 are mainly produced by activated antigen-presenting cells, such as dendritic cells and macrophages. IL 12 plays a critical role in the promotion of Th1 immune responses by inducing interferon-gamma production to combat pathogens and malignant tumors. IL-23 induces IL-17 production and is necessary to maintain pathogenic Th17 cells that cause inflammatory and autoimmune diseases. IL-27 was initially reported to play a critical role in promotion of Th1 differentiation; however, subsequent studies revealed that IL-27 has broader stimulatory and inhibitory roles by inducing IL 10-producing Treg cells. IL-35 is produced by forkhead box P3+ Treg cells and activated B cells and has immunosuppressive functions to maintain immune tolerance. The most recently identified cytokine, IL-39, is produced by activated B cells and has pro-inflammatory functions. The cytokine tentatively named IL-Y seems to have anti-inflammatory functions by inhibiting Th1 and Th17 differentiation. In addition, individual cytokine subunits were also shown to have self-standing activities. Thus, promiscuity within the IL-6/IL-12 family cytokines complicates structural and functional clarification and assignment of individual cytokines. A better understanding of the recent advances and expanding diversity in molecular structures and functions of the IL-6/IL-12 family cytokines could allow the creation of novel therapeutic strategies by using them as tools and targeted molecules. PMID- 27867386 TI - Immune Regulation by Pericytes: Modulating Innate and Adaptive Immunity. AB - Pericytes (PC) are mural cells that surround endothelial cells in small blood vessels. PC have traditionally been credited with structural functions, being essential for vessel maturation and stabilization. However, an accumulating body of evidence suggests that PC also display immune properties. They can respond to a series of pro-inflammatory stimuli and are able to sense different types of danger due to their expression of functional pattern-recognition receptors, contributing to the onset of innate immune responses. In this context, PC not only secrete a variety of chemokines but also overexpress adhesion molecules such as ICAM-1 and VCAM-1 involved in the control of immune cell trafficking across vessel walls. In addition to their role in innate immunity, PC are involved in adaptive immunity. It has been reported that interaction with PC anergizes T cells, which is attributed, at least in part, to the expression of PD-L1. As components of the tumor microenvironment, PC can also modulate the antitumor immune response. However, their role is complex, and further studies will be required to better understand the crosstalk of PC with immune cells in order to consider them as potential therapeutic targets. In any case, PC will be looked at with new eyes by immunologists from now on. PMID- 27867387 TI - Neutrophils Discriminate between Lipopolysaccharides of Different Bacterial Sources and Selectively Release Neutrophil Extracellular Traps. AB - The release of neutrophil extracellular traps (NETs), either during "suicidal" or "vital" NETosis, represents an important strategy of neutrophils to combat Gram negative bacteria. Lipopolysaccharide (LPS), a major component of the outer membrane of Gram-negative bacteria, is a reported stimulus for NET formation. Although it is widely acknowledged that the structural diversity in LPS structures can elicit heterogeneous immune responses, species- and serotype specific differences in the capacity of LPS to trigger NET formation have not yet been investigated. In the present study, we compared the NET-inducing potential of LPS derived from Escherichia coli (serotypes O55:B5, O127:B8, O128:B12, O111:B4, and O26:B6), Salmonella enterica (serotype enteritidis), and Pseudomonas aeruginosa (serotype 10), under platelet-free and platelet-rich conditions in vitro, and in whole blood ex vivo. Here, we demonstrate that under serum- and platelet-free conditions, mimicking tissue circumstances, neutrophils discriminate between LPS of different bacterial sources and selectively release NETs only in response to LPS derived from E. coli O128:B12 and P. aeruginosa 10, which both induced "suicidal" NETosis in an autophagy- and reactive oxygen species (ROS)-dependent, but TLR4-independent manner. Intriguingly, in whole blood cultures ex vivo, or in vitro in the presence of platelets, all LPS serotypes induced "vital" NET formation. This platelet-dependent release of NETs occurred rapidly without neutrophil cell death and was independent from ROS formation and autophagy but required platelet TLR4 and CD62P-dependent platelet neutrophil interactions. Taken together, our data reveal a complex interplay between neutrophils and LPS, which can induce both "suicidal" and "vital" NETosis, depending on the bacterial origin of LPS and the presence or absence of platelets. Our findings suggest that LPS sensing by neutrophils may be a critical determinant for restricting NET release to certain Gram-negative bacteria only, which in turn may be crucial for minimizing unnecessary NET-associated immunopathology. PMID- 27867388 TI - Transcriptomic Changes of Drought-Tolerant and Sensitive Banana Cultivars Exposed to Drought Stress. AB - In banana, drought responsive gene expression profiles of drought-tolerant and sensitive genotypes remain largely unexplored. In this research, the transcriptome of drought-tolerant banana cultivar (Saba, ABB genome) and sensitive cultivar (Grand Naine, AAA genome) was monitored using mRNA-Seq under control and drought stress condition. A total of 162.36 million reads from tolerant and 126.58 million reads from sensitive libraries were produced and mapped onto the Musa acuminata genome sequence and assembled into 23,096 and 23,079 unigenes. Differential gene expression between two conditions (control and drought) showed that at least 2268 and 2963 statistically significant, functionally known, non-redundant differentially expressed genes (DEGs) from tolerant and sensitive libraries. Drought has up-regulated 991 and 1378 DEGs and down-regulated 1104 and 1585 DEGs respectively in tolerant and sensitive libraries. Among DEGs, 15.9% are coding for transcription factors (TFs) comprising 46 families and 9.5% of DEGs are constituted by protein kinases from 82 families. Most enriched DEGs are mainly involved in protein modifications, lipid metabolism, alkaloid biosynthesis, carbohydrate degradation, glycan metabolism, and biosynthesis of amino acid, cofactor, nucleotide-sugar, hormone, terpenoids and other secondary metabolites. Several, specific genotype-dependent gene expression pattern was observed for drought stress in both cultivars. A subset of 9 DEGs was confirmed using quantitative reverse transcription-PCR. These results will provide necessary information for developing drought-resilient banana plants. PMID- 27867389 TI - Modeling the Morphometric Evolution of the Maize Shoot Apical Meristem. AB - The maize (Zea mays subsp. mays L.) shoot apical meristem (SAM) is a self replenishing pool of stem cells that produces all above-ground plant tissues. Improvements in image acquisition and processing techniques have allowed high throughput, quantitative genetic analyses of SAM morphology. As with other large scale phenotyping efforts, meaningful descriptions of genetic architecture depend on the collection of relevant measures. In this study, we tested two quantitative image processing methods to describe SAM morphology within the genus Zea, represented by 33 wild relatives of maize and 841 lines from a domesticated maize by wild teosinte progenitor (MxT) backcross population, along with previously reported data from several hundred diverse maize inbred lines. Approximating the MxT SAM as a paraboloid derived eight parabolic estimators of SAM morphology that identified highly overlapping quantitative trait loci (QTL) on eight chromosomes, which implicated previously identified SAM morphology candidate genes along with new QTL for SAM morphological variation. Using a Fourier-transform related method of comprehensive shape analysis, we detected cryptic SAM shape variation that identified QTL on six chromosomes. We found that Fourier transform shape descriptors and parabolic estimation measures are highly correlated and identified similar QTL. Analysis of shoot apex contours from 73 anciently diverged plant taxa further suggested that parabolic shape may be a universal feature of plant SAMs, regardless of evolutionary clade. Future high-throughput examinations of SAM morphology may benefit from the ease of acquisition and phenotypic fidelity of modeling the SAM as a paraboloid. PMID- 27867390 TI - The Mechanisms of Maize Resistance to Fusarium verticillioides by Comprehensive Analysis of RNA-seq Data. AB - Fusarium verticillioides is the most commonly reported fungal species responsible for ear rot of maize which substantially reduces grain yield. It also results in a substantial accumulation of mycotoxins that give rise to toxic response when ingested by animals and humans. For inefficient control by chemical and agronomic measures, it thus becomes more desirable to select more resistant varieties. However, the molecular mechanisms underlying the infection process remain poorly understood, which hampers the application of quantitative resistance in breeding programs. Here, we reveal the disease-resistance mechanism of the maize inbred line of BT-1 which displays high resistance to ear rot using RNA high throughput sequencing. By analyzing RNA-seq data from the BT-1 kernels before and after F. verticillioides inoculation, we found that transcript levels of genes associated with key pathways are dramatically changed compared with the control treatment. Differential gene expression in ear rot resistant and susceptible maize was confirmed by RNA microarray and qRT-PCR analyses. Further investigation suggests that the small heat shock protein family, some secondary metabolites, and the signaling pathways of abscisic acid, jasmonic acid, or salicylic acids (SA) may be involved in the pathogen-associated molecular pattern-triggered immunity against F. verticillioides. These data will not only provide new insights into the molecular resistant mechanisms against fungi invading, but may also result in the identification of key molecular factors associated with ear rot resistance in maize. PMID- 27867391 TI - Origin of the Autophagosomal Membrane in Plants. AB - During autophagy, cargo molecules destined for degradation are sequestrated into a double-membrane structure called autophagosome, which subsequently fuses with the vacuole. An isolation membrane structure (also called the phagophore) initiates from the platform termed PAS (phagophore assembly site or preautophagosomal structure), which then elongates and expands to become the completed autophagosome. The origin of the membrane for autophagosome formation has been extensively investigated but remains an enigma in the field of autophagy. In yeast and mammalian cells multiple membrane sources have been suggested to contribute to autophagosome formation at different steps, from initiation through expansion and maturation. Recent studies in plants have provided a significant advance in our understanding of the conserved role of autophagy and the underlying mechanism for autophagosome formation. Here, we will discuss and evaluate these new findings on autophagosome formation in plants, with a particular focus on the origin of plant autophagosomal membranes. PMID- 27867393 TI - Melatonin Application to Pisum sativum L. Seeds Positively Influences the Function of the Photosynthetic Apparatus in Growing Seedlings during Paraquat Induced Oxidative Stress. AB - Melatonin, due to its pleiotropic effects plays an important role improving tolerance to stresses. Plants increase endogenous melatonin synthesis when faced with harsh environments as well as exogenously applied melatonin limits stress injuries. Presented work demonstrated that single melatonin application into the seeds during pre-sowing priming improved oxidative stress tolerance of growing seedlings exposed to paraquat (PQ). PQ is a powerful herbicide which blocks the process of photosynthesis under light conditions due to free radicals excess production, when O2 is rapidly converted to [Formula: see text] and subsequently to other reactive oxygen species. The parameters of chlorophyll fluorescence [Fv/Fm, Fv/Fo, Rfd, PhiPSII, qP, and non-photochemical quenching (NPQ)] in all variants of pea leaves (derived from control non-treated seeds - C, and those hydroprimed with water - H, and hydroprimed with melatonin water solution 50 or 200 MUM - H-MEL50 and H-MEL200, respectively) were analyzed as a tool for photosynthetic efficacy testing. Moreover stability of the photosynthetic pigments (chlorophylls a, b, and carotenoids) was also monitored under oxidative stress conditions. The results suggest that melatonin applied into the seed significantly enhances oxidative stress tolerance in growing seedlings. This beneficial effect was reflected in reduced accumulation of [Formula: see text] in leaf tissues, preservation of photosynthetic pigments, improved functioning of the photosynthetic apparatus and higher water content in the tissues during PQ mediated stress. Our findings provide evidence for the physiological role of this molecule and serve as a platform for its possible applications in agricultural or related areas of research. PMID- 27867394 TI - Association of Tissue Transglutaminase Antibody Titer with Duodenal Histological Changes in Children with Celiac Disease. AB - Celiac disease is usually diagnosed by demonstrating gluten enteropathy in small bowel biopsy. Celiac specific antibodies are used as an initial screening test. The goal of this study is to test the relationship of the anti-tTG titer and severity of histological changes in Jordanian children with celiac disease. Method. The medical records of 81 children who had elevated anti-tTG titer and had duodenal biopsies available were retrospectively reviewed. Result. Assessing the association of anti-tTG titer with duodenal histopathological changes, 94% of those with high anti-tTG titer (>=180 U/mL) had histological evidence of celiac disease. There was statistically significant positive association between high anti-tTG titer and Marsh grading as 82% of patients with Marsh III had high anti tTG titer (Chi2 18.5; P value 0.00; Odds Ratio 8.5). The fraction of patients with Marsh III who were correctly identified as positive by anti-tTG titer >= 180 U/mL was high (sensitivity = 81.6). Moreover, the fraction of patients with anti tTG titer >= 180 U/mL who had Marsh III was also high (positive predictive value = 78.4). Conclusion. Anti-tTG titer >= 180 U/mL had significant positive association with Marsh III histopathological changes of celiac disease. PMID- 27867392 TI - The Physcomitrella patens Chloroplast Proteome Changes in Response to Protoplastation. AB - Plant protoplasts are widely used for genetic manipulation and functional studies in transient expression systems. However, little is known about the molecular pathways involved in a cell response to the combined stress factors resulted from protoplast generation. Plants often face more than one type of stress at a time, and how plants respond to combined stress factors is therefore of great interest. Here, we used protoplasts of the moss Physcomitrella patens as a model to study the effects of short-term stress on the chloroplast proteome. Using label-free comparative quantitative proteomic analysis (SWATH-MS), we quantified 479 chloroplast proteins, 219 of which showed a more than 1.4-fold change in abundance in protoplasts. We additionally quantified 1451 chloroplast proteins using emPAI. We observed degradation of a significant portion of the chloroplast proteome following the first hour of stress imposed by the protoplast isolation process. Electron-transport chain (ETC) components underwent the heaviest degradation, resulting in the decline of photosynthetic activity. We also compared the proteome changes to those in the transcriptional level of nuclear encoded chloroplast genes. Globally, the levels of the quantified proteins and their corresponding mRNAs showed limited correlation. Genes involved in the biosynthesis of chlorophyll and components of the outer chloroplast membrane showed decreases in both transcript and protein abundance. However, proteins like dehydroascorbate reductase 1 and 2-cys peroxiredoxin B responsible for ROS detoxification increased in abundance. Further, genes such as thylakoid ascorbate peroxidase were induced at the transcriptional level but down-regulated at the proteomic level. Together, our results demonstrate that the initial chloroplast reaction to stress is due changes at the proteomic level. PMID- 27867395 TI - Radioactive Iodine Administration Is Associated with Persistent Related Symptoms in Patients with Differentiated Thyroid Cancer. AB - Context. Radioiodine (RAI) administration has adverse effects in patients treated for thyroid cancer (DTC), but there is scarce information regarding their intensity and duration. Objective. To evaluate frequency and intensity of early and late RAI-related symptoms in patients with DTC. Design. Observational prospective study. Patients. DTC patients who underwent thyroidectomy, with or without RAI. Measurements. Patients answered 2 surveys: (1) from 0 to 6 months and (2) between 6 and 18 months after initial treatment. Results. 110 patients answered the first survey and 61 both. Nearly 80 percent received RAI. Among early symptoms, periorbital edema, excessive tearing, salivary gland disturbances, dry mouth, taste disorders, and nausea were more frequent and intense among RAI patients. Regarding late symptoms, periorbital edema, salivary gland pain and swelling, and dry mouth were more frequent and intense in RAI patients. Frequency and intensity of adverse effects were not different between low and high RAI doses (50 versus >=100 mCi). Conclusion. RAI-related symptoms are frequent and usually persist after 6 months of administration, even when low doses are given. This finding must be considered when deciding RAI administration, especially in low risk patients, among whom RAI benefit is controversial. PMID- 27867397 TI - Knowledge and Awareness of Cervical Cancer among HIV-Infected Women in Ethiopia. AB - Introduction. Cervical cancer is one of the leading causes of cancer death among Ethiopian women. Low awareness of cervical cancer, in combination with low health care seeking behavior, is a key challenge for cervical cancer prevention. This study assessed the knowledge of cervical cancer among HIV-infected women in Ethiopia. Methods. A facility-based cross-sectional survey was conducted from August to September 2012 among HIV-infected women between 21 and 49 years of age. Basic descriptive statistics were performed using SPSS. Results. A total of 432 HIV-infected women participated in this study. About 71% of participants had ever heard of cervical cancer. Among women who had ever heard of cervical cancer, 49% did not know the cause while 74% were able to identify at least one risk factor for cervical cancer. Only 33% of women were able to correctly address when women should seek care and 33% identified at least one treatment option for cervical cancer. Conclusion. This study revealed that knowledge about cervical cancer was generally low, in particular for health care seeking behavior and treatment of cervical cancer. Health awareness programs should be strengthened at both community and health facility levels with emphasis highlighting the causes, risk factors, care seeking behaviors, and treatment options for cervical cancer. PMID- 27867396 TI - Challenges in the Diagnosis and Management of Growth Hormone Deficiency in India. AB - In clinical practice, every year approximately 150,000 children are referred with short stature (SS) based on a cut-off of fifth percentile. The most important endocrine and treatable cause of SS is growth hormone deficiency (GHD). The lack of reliable data on the prevalence of GHD in India limits estimation of the magnitude of this problem. The diagnosis and treatment of GHD are hurdled with various challenges, restricting the availability of growth hormone (GH) therapy to only a very limited segment of the children in India. This review will firstly summarize the gaps and challenges in diagnosis and treatment of GHD based on literature analysis. Subsequently, it presents suggestions from the members at advisory board meetings to overcome these challenges. The advisory board suggested that early initiation of the therapy could better the chances of achieving final adult height within the normal range for the population. Education and awareness about growth disorders among parents, regular training for physicians, and more emphasis on using the Indian growth charts for growth monitoring would help improve the diagnosis and treatment of children with GHD. Availability of an easy-to-use therapy delivery system could also be beneficial in improving adherence and achieving satisfactory outcomes. PMID- 27867399 TI - Biodemographic Analysis of Factors Related to Perinatal Mortality in Portugal (1988-2011). AB - Background. The purpose of this paper is to determine the relative mortality risks at delivery and during the first week of life with regard to maternal and foetal characteristics. Methods. Yearly individual digital records on live births and early neonatal mortality were used to infer the possible factors involved in perinatal deaths. Results. The results show that the number of births per year declined with time throughout the period studied. At the same time, rates decreased in 66.4% for stillbirths and in 70.2% for early neonatal mortality. Logistic regressions modelled the interaction of the two mortality indicators and covariables such as birth weight and the duration of gestation. Conclusions. This research provides a first biodemographic approach to the knowledge of factors influencing perinatal mortality in Portugal based on a set of foetal and maternal variables. Although the magnitude of the different perinatal mortality rates may be affected by the criteria used for selecting cases (multiple-singletons; minimum birth weight or minimum duration of gestation), one of the conclusions of the present analysis is that the relationship among the maternal and foetal variables that determine the relative risk remains unaltered. Certain resemblance with the factors determining negative birth outcomes in Spain is appreciated. PMID- 27867400 TI - Climate Change Impact: The Experience of the Coastal Areas of Bangladesh Affected by Cyclones Sidr and Aila. AB - Bangladesh is considered one of the countries most at risk to the effects of climate change and its coastal area is most vulnerable. This study tries to explore the experiences of cyclones Sidr and Aila affected people living in the coastal areas of Bangladesh. This study was conducted in the cyclone Sidr affected Amtali Upazila of Barguna District and in the cyclone Aila affected Koyra Upazila of Khulna District. Primary data collection was done using Focus Group Interview and then a thematic analysis approach was used for analysis. Three core themes emerged from the analysis and they are, firstly, impacts of climate change on the socioeconomic condition of the people, secondly, the impact on the health status of the population, and finally the impact on vulnerable people. Findings show that the effects of climate change have serious consequences on the livelihood patterns of the affected population and on their overall health status. As a result, the unfavorable health condition of these affected people makes them more vulnerable to various emerging diseases. PMID- 27867401 TI - KRAS mutant tumor subpopulations can subvert durable responses to personalized cancer treatments. AB - KRAS mutations in colorectal and lung cancers predict failure to respond to therapies that target the EGFR. Significant percentages of patients with KRAS wild-type tumors also fail to respond to these therapies. Relapse occurs in patients with KRAS wild-type and mutant tumors, with moderately longer progression-free survival in patients with KRAS wild-type tumors. Colon and lung tumors frequently carry KRAS mutant tumor subpopulations not detected by DNA sequencing. This suggests detected and undetected KRAS mutant subpopulations in colon and lung tumors are undermining the efficacy of anti-EGFR therapies. Therefore, consideration should be given to combining therapies that target KRAS mutant cells with those that downregulate EGFR signaling. As tumors are frequently polyclonal in origin and comprised of distinct clonal populations carrying complementing genetic and/or epigenetic lesions, preclinical models that assess the efficacy of combination therapies in the context of heterogeneous tumor cell populations will be essential for progress in this area. PMID- 27867398 TI - Mesenchymal Stem Cells as a Prospective Therapy for the Diabetic Foot. AB - The diabetic foot is a serious complication of diabetes. Mesenchymal stem cells are an abundant source of stem cells which occupy a special position in cell therapies, and recent studies have suggested that mesenchymal stem cells can play essential roles in treatments for the diabetic foot. Here, we discuss the advances that have been made in mesenchymal stem cell treatments for this condition. The roles and functional mechanisms of mesenchymal stem cells in the diabetic foot are also summarized, and insights into current and future studies are presented. PMID- 27867402 TI - Evaluation of Hypoglycemic and Genotoxic Effect of Polyphenolic Bark Extract from Quercus sideroxyla. AB - Quercus sideroxyla is a wood species whose bark has phenolic compound and should be considered to be bioactive; the hypoglycemic and genotoxic properties of Q. sideroxyla bark were evaluated in this study. Total phenolic compound was determined in crude extract (CE) and organic extract (OE). The OE has the highest amount of phenols (724.1 +/- 12.0 GAE/g). Besides, both CE and OE demonstrated effect over the inhibition of alpha-amylase in vitro. Hypoglycemic activity was assessed by glucose tolerance curve and the area under curve (UAC); OE showed the highest hypoglycemic activity. In addition, diabetes was induced by streptozotocin (65 mg/kg) and the extracts (50 mg/kg) were administered for 10 days; OE showed hypoglycemic effect compared with diabetic control and decreased hepatic lipid peroxidation. Acute toxicity and genotoxicity were evaluated in CE; results of acute toxicity did not show any mortality. Besides, the comet assay showed that CE at a dose of 100 mg/kg did not show any genotoxic effect when evaluated at 24 h, whereas it induced slight damage at 200 mg/kg, with the formation of type 1 comets. PMID- 27867404 TI - Editorial. PMID- 27867403 TI - In Vitro TNF-alpha Inhibitory Activity of Brazilian Plants and Anti-Inflammatory Effect of Stryphnodendron adstringens in an Acute Arthritis Model. AB - Stryphnodendron species, popularly named "barbatimao," are traditionally used in Brazil as anti-inflammatory agents. This study aimed to investigate the effect of barbatimao and 11 other species on the production of tumor necrosis factor-alpha (TNF-alpha) in lipopolysaccharide- (LPS-) stimulated THP-1 cells, as well as their anti-arthritis activity. The extracts of Stryphnodendron adstringens, Stryphnodendron obovatum, Campomanesia lineatifolia, and Terminalia glabrescens promoted a concentration-dependent inhibition of TNF-alpha. Mice injected with LPS in the knee joint were treated per os with fractions from the selected extracts. Both the organic (SAO) and the aqueous (SAA) fractions of S. adstringens promoted a dose-dependent reduction of leukocyte migration and neutrophil accumulation into the joint, but none of them reduced CXCL1 concentration in the periarticular tissue. In contrast, treatment with C. lineatifolia and T. glabrescens fractions did not ameliorate the inflammatory parameters. Analyses of SAO by Ultra Performance Liquid Chromatography (UPLC) coupled to electrospray ionization mass spectrometry (ESI-MS) led to the identification of gallic acid along with 11 prodelphinidins, characterized as monomers and dimers of the B-type. Our findings contribute to some extent to corroborating the traditional use of S. adstringens as an anti-inflammatory agent. This activity is probably related to a decrease of leukocyte migration into the inflammatory site. Polyphenols like gallic acid and prodelphinidins, identified in the active fraction, may contribute to the observed activity. PMID- 27867406 TI - Helping expectant mothers understand inadequate ultrasound images. AB - BACKGROUND: Obstetric ultrasound scans may fail to provide all the information that is needed because of poor visualisation. Two main causes of poor visualisation are addressed. These are poor foetal position and poor quality imaging due to beam distortion by overlying fatty tissue. METHOD: To improve communication with patients attending obstetric scans, a poster and leaflet were designed to explain these causes of inadequate scans. A questionnaire was used to assess the value of the poster. RESULTS: 57/66 (86%) questionnaires were completed. 52 (91%) found the information on the poster was helpful and well explained. For 8 (14%) the information changed their thoughts about the scan. CONCLUSION: Clear communication aids the expectant mothers understanding of why scans may be suboptimal. The way this is recorded in the scan results is discussed. PMID- 27867405 TI - Development and assessment of inter- and intra-rater reliability of a novel ultrasound tool for scoring tendon and sheath disease - A pilot study. AB - BACKGROUND: Tendon and synovial sheath disease is common. A method of monitoring the status of tendons and sheaths is important for both diagnosis of pathology and evaluation of the efficacy of treatments. For this study, an ultrasound scoring tool was developed and its reliability tested between raters. The tool is novel in that it scores tendons and sheaths separately, an important consideration since disorders of these structures are not necessarily concurrent. METHODS: Thirty diseased tendons and sheaths were included in this pilot cross sectional study. Tendon and sheath measurements were taken and the semi quantitative five-grade score was applied to assess tendon greyscale, tendon Doppler activity and sheath Doppler activity. Inter-rater and intra-rater agreement exercises were undertaken to test the reliability of the scoring tool. RESULTS: The Intra-class Correlation Coefficient values for both the inter-rater and intra-rater reliability tests showed excellent agreement for the tendon and sheath measurements. Unweighted kappa estimations for inter-rater scores showed excellent agreement for tendon Doppler; good agreement was shown for scoring sheath Doppler, while poor agreement was shown for tendon grey-scale scoring. The intra-rater reliability scores demonstrated similar results. CONCLUSION: Overall, the study strongly supports the use of this scoring tool for the diagnosis and follow-up of tendon and sheath disorders. The results may be used as a starting point from which to base further work in this important area. Future studies should address the limitations found in this research with a strong focus on improving tendon grey-scale measurement accuracy and agreement. PMID- 27867407 TI - Twinkle artefact in the ultrasound diagnosis of superficial epidermoid cysts. AB - AIM: The aim of the study was to evaluate whether the twinkle artefact is a valuable feature in the sonographic diagnosis of superficial epidermoid cysts. MATERIALS AND METHODS: A retrospective search was undertaken of our institution's Radiology Information System and pathology database to identify cases of superficial masses showing the twinkle artefact that proceeded to surgical excision. RESULTS: Eighteen superficial masses demonstrating the twinkle artefact were identified that were submitted for pathological analysis. Of these, 17 were confirmed to represent epidermoid cysts and only 1 case had an alternative diagnosis (proliferating trichilemmal cyst). CONCLUSION: The presence of the twinkle artefact appears to be a specific and valuable ancillary sonographic feature for the diagnosis of superficial epidermoid cysts. PMID- 27867408 TI - Reliability of a measurement method for the cross-sectional area of the longus colli using real-time ultrasound imaging. AB - OBJECTIVE: Real-time ultrasound imaging is an established objective outcome measurement with proven reliability. However, it is still largely biased by user ability. Published research in the area of real-time ultrasound imaging reliability in the cervical region and in particular the deep cervical flexors is quite sparse. The purpose of this investigation was to examine if a novice ultrasound user could agree favourably with an experienced ultrasound sonographer in measuring the cross-sectional area of the longus colli. METHODS: Ultrasound images were captured from 22 healthy subjects on two different occasions, one week apart, by a novice ultrasound user. They were acquired using a GE Healthcare LOGIQe ultrasound machine, at a depth of 3-4 cm with the transducer frequency set to 8 MHz, in line with previous research guidelines. Cross-sectional area was then measured on-screen by both a novice and experienced ultrasound user to determine inter-rater reliability. Intra-rater reliability was also analysed using cross-sectional area figures from days one and two. RESULTS: Intra-rater reliability for real-time ultrasound imaging for the cross-sectional area of the longus colli was "excellent" (intra-class correlation 0.90, 95% CI 0.82-0.95). Inter-rater reliability was "moderate" but in keeping with previous published research (intra-class correlation 0.61, 95% CI 0.37-0.77). CONCLUSION: Difficulties in identifying the borders of the longus colli muscle due to its deep anatomical location and surrounding structures make it difficult for assessors to agree favourably on cross-sectional area measurements, leading to "moderate" levels of inter-rater reliability and poor agreement. Intra-rater reliability is excellent, and in this instance indicates that a novice user can be just as reliable as a more experienced ultrasound user. PMID- 27867409 TI - The postpartum ultrasound scan. AB - Ultrasound assessment of the postpartum uterus has a significant role to play in the evaluation of a large proportion of symptomatic puerperal women. Often the imaging modality of choice for excluding retained placental tissue, correct application of postpartum ultrasound could enable more accurate identification of women requiring surgical intervention, with consequent reduction in patient morbidity and clinical workload. This article aims to review the current understanding and application of ultrasound in the puerperium and evaluate the current evidence investigating the physiological and pathological findings of the postpartum uterus and its contents. PMID- 27867410 TI - Closed gastroschisis, vanishing midgut and extreme short bowel syndrome: Case report and review of the literature. AB - Gastroschisis alone has excellent survival rates. Occasionally reported is closed gastroschisis, leading to vanishing small bowel and extreme short bowel syndrome. It is believed that the abdominal wall defect can contract or close in utero, which leads to strangulation of the eviscerated bowel and the rare "vanishing gut syndrome." This has a very poor prognosis with mortality as high as 70%. An 18 year-old primigravid patient's 13 week scan diagnosed a large gastroschisis affecting the fetus. After counselling, she decided to continue with the pregnancy. Between 20 and 22 weeks, the gastroschisis disappeared, and the bowel within the abdomen became markedly dilated. Spontaneous labour occurred at 33 + 3 weeks gestation. There was no abdominal wall defect seen at delivery. Imaging and an exploratory laparotomy demonstrated absence of most of the midgut. Because available options for treatment would be very aggressive and risky, palliative care was thought to be the most feasible and practical option. He died at home on day 29 after birth. Extreme short gut syndrome (less than 25 cm of remaining small bowel) is rare. There are 13 reported cases in the literature from year 2000 to 2013. Treatment is aggressive and involves a bowel lengthening procedure or small bowel transplant. All require total parenteral nutrition and liver failure, and liver transplant is a common complication. Of these cases, 12 were born alive and 7 had aggressive treatment. Only two cases were confirmed to still be alive in infancy. If gastroschisis is seen to be reducing and "disappearing" antenatally, parents should be made aware of this rare complication so that they might be prepared if a poor outcome is anticipated. PMID- 27867411 TI - Ultrasound as a screening tool in the follow-up of asymptomatic congenital cystic adenomatoid malformation. AB - Congenital cystic adenomatoid malformation accounts for the vast majority of congenital cystic lung pathologies. The clinical spectrum of congenital cystic adenomatoid malformation is wide and ranges from silent incidental lesions to severe congenital respiratory distress or stillbirths. Management of clinically silent lesions is still a matter of debate, with conservative follow-up being a popular approach during the last decade. However, an optimal methodology of follow-up is yet to be determined. In this study, ultrasound is proposed as a follow-up tool for clinically silent lesions based on the findings in a case with known congenital cystic adenomatoid malformation from the antenatal period, which has been followed up for four years. PMID- 27867413 TI - A Parent-Based Intervention to Prevent HIV Among Adolescent Children of Mothers Living with HIV: The Ms. Now! Program. AB - One group often overlooked by HIV prevention efforts is adolescent children of mothers living with HIV (MLH). Despite their potential vulnerability, very few evidence-based prevention programs exist for this population in the United States (U.S.) and elsewhere. The current study introduces a parent-based program adapted for families affected by HIV for the purpose of preventing adolescent HIV infection. Following a structured process of adaptation, 12 African American MLH adolescent dyads were recruited from HIV clinics and non-governmental organizations in a southeastern U.S. city to participate in a feasibility pilot evaluation of the adapted program (Moms Stopping It Now! [Ms. Now]). The intervention consisted of group and individual sessions implemented in a university setting and at participants' homes, respectively. We determined feasibility through assessing participant acceptability and signs of intervention efficacy. Quantitative and qualitative process data revealed high levels of acceptability, as participants were largely satisfied and engaged with Ms. Now, and were willing to attend most sessions. In addition, positive intervention effects approaching medium to large effect sizes were observed for some protective parenting outcomes, including increases in parent-child relationship quality, parental monitoring, maternal HIV disclosure self-efficacy, and communication about maternal HIV infection. Other outcomes, namely communication about sex topics, did not show positive shifts due to ceiling effects and may be indicative of the pre-existing strengths these MLH possess. Ms. Now's approach and further refinement is discussed in the context of strengthening families affected by HIV. Moreover, we recommend that policy aimed at program development consider jointly targeting these populations (MLH and adolescents) due to the unique benefits of family intervention. PMID- 27867414 TI - The Role of Family Variables in the Length of Stay of Psychiatric In-patients. AB - BACKGROUND: In Japan, the number of beds and average length of stay in a psychiatric ward are greater than in other developed countries. OBJECTIVE: The present study aimed to investigate the association between family variables and the length of stay of patients with mental and behavioural disorders in a private psychiatric hospital in Japan. METHODS: The medical records of patients discharged during a one-year period (n=56: men 50.0% excepting 27 patients discharged due to death were re-examined regarding age, laundry type (self washing of clothes, family washing or supplier washing), number of family visits per one month while hospitalised, and family structure prior to hospitalisation. A length of stay greater than six months was considered the cut-off point for a long hospital stay. Bivariate logistic regression analyses were conducted to identify factors independently associated with the length of stay, adjusted for sex, age, and mental and/or behavioural disorders according to the criteria of the International Statistical Classification of Diseases and Related Health Problems. RESULTS: The bivariate-adjusted odds ratio (95% confidence intervals) for in-patients hospitalised for more than six months was 0.08 (0.01, 0.48) for those who used family washing (p = 0.006) compared with those who used supplier washing. The number of visits per month and family structures before hospitalisation were not significantly associated. CONCLUSION: These results suggest that within a private psychiatric hospital in Japan, family washing is associated with shortened stays and frequency of family visits, while family structure is not associated with these factors. PMID- 27867415 TI - Prior Acute Mental Exertion in Exercise and Sport. AB - INTRODUCTION: Mental exertion is a psychophysiological state caused by sustained and prolonged cognitive activity. The understanding of the possible effects of acute mental exertion on physical performance, and their physiological and psychological responses are of great importance for the performance of different occupations, such as military, construction workers, athletes (professional or recreational) or simply practicing regular exercise, since these occupations often combine physical and mental tasks while performing their activities. However, the effects of implementation of a cognitive task on responses to aerobic exercise and sports are poorly understood. Our narrative review aims to provide information on the current research related to the effects of prior acute mental fatigue on physical performance and their physiological and psychological responses associated with exercise and sports. METHODS: The literature search was conducted using the databases PubMed, ISI Web of Knowledge and PsycInfo using the following terms and their combinations: "mental exertion", "mental fatigue", "mental fatigue and performance", "mental exertion and sports" "mental exertion and exercise". RESULTS: We concluded that prior acute mental exertion affects effectively the physiological and psychophysiological responses during the cognitive task, and performance in exercise. CONCLUSION: Additional studies involving prior acute mental exertion, exercise/sports and physical performance still need to be carried out in order to analyze the physiological, psychophysiological and neurophysiological responses subsequently to acute mental exertion in order to identify cardiovascular factors, psychological, neuropsychological associates. PMID- 27867416 TI - Acute Affective Responses and Frontal Electroencephalographic Asymmetry to Prescribed and Self-selected Exercise. AB - OBJECTIVE: Our goal was to compare affective responses and frontal electroencephalographic alpha asymmetry induced by prescribed exercise (PE) and self-selected exercise (SS). METHOD: Twenty active participants underwent a submaximal exercise test to estimate maximal oxygen consumption (VO2max). Participants enrolled a cross-over randomized study where each participant completed three conditions: PE (50%PVO2max), SS and Control. The electroencephalography was performed before and after exercise. The feeling scale, felt arousal scale and heart rate were recorded before, during and after each condition. The ratings of perceived exertion were recorded during and after each condition. RESULTS: The heart rate and ratings of perceived exertion showed higher values in the PE and SS conditions compared to controls, with no differences between the PE and SS conditions. For the feeling scale, the SS presented higher values compared to the PE and Control conditions. The felt arousal scale presented higher values in the PE and SS conditions compared to control. There was no interaction between condition and moment, or main effect for condition and moment for frontal alpha asymmetry (InF4-InF3). CONCLUSION: The SS provided better affective responses compared to PE, thus can consider self selected intensity as an appropriate option. In general, no frontal alpha asymmetry was seen due to an exercise intervention. PMID- 27867418 TI - CRF-Based Model for Instrument Detection and Pose Estimation in Retinal Microsurgery. AB - Detection of instrument tip in retinal microsurgery videos is extremely challenging due to rapid motion, illumination changes, the cluttered background, and the deformable shape of the instrument. For the same reason, frequent failures in tracking add the overhead of reinitialization of the tracking. In this work, a new method is proposed to localize not only the instrument center point but also its tips and orientation without the need of manual reinitialization. Our approach models the instrument as a Conditional Random Field (CRF) where each part of the instrument is detected separately. The relations between these parts are modeled to capture the translation, rotation, and the scale changes of the instrument. The tracking is done via separate detection of instrument parts and evaluation of confidence via the modeled dependence functions. In case of low confidence feedback an automatic recovery process is performed. The algorithm is evaluated on in vivo ophthalmic surgery datasets and its performance is comparable to the state-of-the-art methods with the advantage that no manual reinitialization is needed. PMID- 27867417 TI - From Asperger's Autistischen Psychopathen to DSM-5 Autism Spectrum Disorder and Beyond: A Subthreshold Autism Spectrum Model. AB - Growing interest has recently been devoted to partial forms of autism, lying at the diagnostic boundaries of those conditions previously diagnosed as Asperger's Disorder. This latter includes an important retrieval of the European classical psychopathological concepts of adult autism to which Hans Asperger referred in his work. Based on the review of Asperger's Autistische Psychopathie, from first descriptions through the DSM-IV Asperger's Disorder and up to the recent DSM-5 Autism Spectrum Disorder, the paper aims to propose a Subthreshold Autism Spectrum Model that encompasses not only threshold-level manifestations but also mild/atypical symptoms, gender-specific features, behavioral manifestations and personality traits associated with Autism Spectrum Disorder. This model includes, but is not limited to, the so-called broad autism phenotype spanning across the general population that does not fully meet Autism Spectrum Disorder criteria. From this perspective, we propose a subthreshold autism as a unique psychological/behavioral model for research that could help to understand the neurodevelopmental trajectories leading from autistic traits to a broad range of mental disorders. PMID- 27867419 TI - Combined Application of Ultrasound and CT Increased Diagnostic Value in Female Patients with Pelvic Masses. AB - Purpose. The current study aimed to evaluate whether combined application of ultrasound and CT had increased Diagnostic Value in Female Patients with Pelvic Masses over either method alone. Patients and Methods. 240 female patients with pelvic masses were detected preoperatively with ultrasound and CT prior to surgery. The sensitivity, specificity, and accuracy of ultrasound, CT, and combined ultrasound/CT application were evaluated, respectively. Results. The sensitivity, specificity, and accuracy of ultrasound were 52.8%, 86.7%, and 68.75%, respectively. The sensitivity, specificity, and accuracy of CT were 80.3%, 90.3%, and 85%, respectively. The sensitivity, specificity, and accuracy of combined application of ultrasound and CT were 89%, 94.7%, and 91.7%. The sensitivity, specificity, and accuracy of combined application of ultrasound and CT were higher than those of either ultrasound or CT. Conclusions. The combined application of ultrasound and CT had higher Diagnostic Value in Female Patients with Pelvic Masses than either method alone. PMID- 27867420 TI - A Lattice Model of the Development of Reading Comprehension. AB - In this article, I present a developmental model of how children learn to comprehend what they read, which builds on current models of reading comprehension and integrates findings from instructional research and evidence based models of development in early and middle childhood. The lattice model holds that children's developing reading comprehension is a function of the interacting, reciprocal, and bootstrapping effects of developing text-specific, linguistic, and social-cognitive processes, which interact with instruction as child-characteristic-by-instruction (CXI) interaction effects. The processes develop over time and in the context of classroom, home, peer, community, and other influences to affect children's development of proficient reading comprehension. I first describe models of reading comprehension. I then review the basic processes in the model, the role of instruction, and CXI interactions in the context of the lattice model. I then discuss implications for instruction and research. PMID- 27867421 TI - Dedicated biomass crops can enhance biodiversity in the arable landscape. AB - Suggestions that novel, non-food, dedicated biomass crops used to produce bioenergy may provide opportunities to diversify and reinstate biodiversity in intensively managed farmland have not yet been fully tested at the landscape scale. Using two of the largest, currently available landscape-scale biodiversity data sets from arable and biomass bioenergy crops, we take a taxonomic and functional trait approach to quantify and contrast the consequences for biodiversity indicators of adopting dedicated biomass crops on land previously cultivated under annual, rotational arable cropping. The abundance and community compositions of biodiversity indicators in fields of break and cereal crops changed when planted with the dedicated biomass crops, miscanthus and short rotation coppiced (SRC) willow. Weed biomass was consistently greater in the two dedicated biomass crops than in cereals, and invertebrate abundance was similarly consistently higher than in break crops. Using canonical variates analysis, we identified distinct plant and invertebrate taxa and trait-based communities in miscanthus and SRC willows, whereas break and cereal crops tended to form a single, composite community. Seedbanks were shown to reflect the longer term effects of crop management. Our study suggests that miscanthus and SRC willows, and the management associated with perennial cropping, would support significant amounts of biodiversity when compared with annual arable crops. We recommend the strategic planting of these perennial, dedicated biomass crops in arable farmland to increase landscape heterogeneity and enhance ecosystem function, and simultaneously work towards striking a balance between energy and food security. PMID- 27867422 TI - ClassyFire: automated chemical classification with a comprehensive, computable taxonomy. AB - BACKGROUND: Scientists have long been driven by the desire to describe, organize, classify, and compare objects using taxonomies and/or ontologies. In contrast to biology, geology, and many other scientific disciplines, the world of chemistry still lacks a standardized chemical ontology or taxonomy. Several attempts at chemical classification have been made; but they have mostly been limited to either manual, or semi-automated proof-of-principle applications. This is regrettable as comprehensive chemical classification and description tools could not only improve our understanding of chemistry but also improve the linkage between chemistry and many other fields. For instance, the chemical classification of a compound could help predict its metabolic fate in humans, its druggability or potential hazards associated with it, among others. However, the sheer number (tens of millions of compounds) and complexity of chemical structures is such that any manual classification effort would prove to be near impossible. RESULTS: We have developed a comprehensive, flexible, and computable, purely structure-based chemical taxonomy (ChemOnt), along with a computer program (ClassyFire) that uses only chemical structures and structural features to automatically assign all known chemical compounds to a taxonomy consisting of >4800 different categories. This new chemical taxonomy consists of up to 11 different levels (Kingdom, SuperClass, Class, SubClass, etc.) with each of the categories defined by unambiguous, computable structural rules. Furthermore each category is named using a consensus-based nomenclature and described (in English) based on the characteristic common structural properties of the compounds it contains. The ClassyFire webserver is freely accessible at http://classyfire.wishartlab.com/. Moreover, a Ruby API version is available at https://bitbucket.org/wishartlab/classyfire_api, which provides programmatic access to the ClassyFire server and database. ClassyFire has been used to annotate over 77 million compounds and has already been integrated into other software packages to automatically generate textual descriptions for, and/or infer biological properties of over 100,000 compounds. Additional examples and applications are provided in this paper. CONCLUSION: ClassyFire, in combination with ChemOnt (ClassyFire's comprehensive chemical taxonomy), now allows chemists and cheminformaticians to perform large-scale, rapid and automated chemical classification. Moreover, a freely accessible API allows easy access to more than 77 million "ClassyFire" classified compounds. The results can be used to help annotate well studied, as well as lesser-known compounds. In addition, these chemical classifications can be used as input for data integration, and many other cheminformatics-related tasks. PMID- 27867423 TI - Marginalized zero-altered models for longitudinal count data. AB - Count data often exhibit more zeros than predicted by common count distributions like the Poisson or negative binomial. In recent years, there has been considerable interest in methods for analyzing zero-inflated count data in longitudinal or other correlated data settings. A common approach has been to extend zero-inflated Poisson models to include random effects that account for correlation among observations. However, these models have been shown to have a few drawbacks, including interpretability of regression coefficients and numerical instability of fitting algorithms even when the data arise from the assumed model. To address these issues, we propose a model that parameterizes the marginal associations between the count outcome and the covariates as easily interpretable log relative rates, while including random effects to account for correlation among observations. One of the main advantages of this marginal model is that it allows a basis upon which we can directly compare the performance of standard methods that ignore zero inflation with that of a method that explicitly takes zero inflation into account. We present simulations of these various model formulations in terms of bias and variance estimation. Finally, we apply the proposed approach to analyze toxicological data of the effect of emissions on cardiac arrhythmias. PMID- 27867424 TI - Aldehyde and Ketone Synthesis by P450-Catalyzed Oxidative Deamination of Alkyl Azides. AB - Heme-containing proteins have recently attracted increasing attention for their ability to promote synthetically valuable transformations not found in nature. Following the recent discovery that engineered variants of myoglobin can catalyze the direct conversion of organic azides to aldehydes, we investigated the azide oxidative deamination reactivity of a variety of hemoproteins featuring different heme coordination environments. Our studies show that although several heme containing enzymes possess basal activity in this reaction, an engineered variant of the bacterial cytochrome P450 CYP102A1 constitutes a particularly efficient biocatalyst for promoting this transformation, exhibiting a broad substrate scope along with high catalytic activity (up to 11,300 TON), excellent chemoselectivity, and enhanced reactivity toward secondary alkyl azides to yield ketones. Mechanistic studies and Michaelis-Menten analyses provided insights into the mechanism of the reaction and the impact of active site mutations on the catalytic properties of the P450. Altogether, these studies demonstrate that engineered P450 variants represent promising biocatalysts for the synthesis of aryl aldehydes and ketones via the oxidative deamination of alkyl azides under mild reaction conditions. PMID- 27867426 TI - Fragranced consumer products: exposures and effects from emissions. AB - Fragranced consumer products, such as cleaning supplies, air fresheners, and personal care products, are a primary source of indoor air pollutants and personal exposure. Previous research indicates that fragranced products can trigger adverse health effects, with implications for workplaces and public places. This is the first study to examine the multiple dimensions of exposures related to fragranced products and effects in the US population. The study investigated the prevalence and types of fragranced product exposures, associated health effects, awareness of product emissions, and preferences for fragrance free policies and environments. Data were collected using an online survey with a nationally representative population (n = 1136) of adults in the USA. Overall, 34.7 % of the population reported health problems, such as migraine headaches and respiratory difficulties, when exposed to fragranced products. Further, 15.1 % have lost workdays or a job due to fragranced product exposure in the workplace. Also, 20.2 % would enter a business but then leave as quickly as possible if they smell air fresheners or some fragranced product. Over 50 % of the population would prefer that workplaces, health care facilities and professionals, hotels, and airplanes were fragrance-free. While prior research found that common fragranced products, even those called green and organic, emitted hazardous air pollutants, more than two thirds of the population were not aware of this, and over 60 % would not continue to use a fragranced product if they knew it emitted such pollutants. Results from this study provide strong evidence that fragranced products can trigger adverse health effects in the general population. The study also indicates that reducing exposure to fragranced products, such as through fragrance-free policies, can provide cost-effective and relatively simple ways to reduce risks and improve air quality and health. PMID- 27867427 TI - Practicalities of mapping PM10 and PM2.5 concentrations on city-wide scales using a portable particulate monitor. AB - Fine particulate matter is considered to be the most significant ambient air pollutant in terms of potential health impacts. Therefore, it is important that regulators are able to accurately assess the exposure of populations to PM10 and PM2.5 across municipal areas. We report on the practicalities of using a laser light scattering portable particulate monitor (Turnkey Instruments DustMate), in combination with a GPS, to map PM10 and PM2.5 concentrations on city-wide scales in Newcastle upon Tyne/Gateshead (UK), during a series of walking surveys. A heated inlet is necessary to remove moisture droplets from the sampled air prior to analysis by the instrument, though this also results in the loss of volatile particulate components, particularly from the PM2.5 fraction. A co-location calibration study was carried out with a reference urban background Tapered Element Oscillating Micro-Balance/Filter Dynamics Measuring System (TEOM-FDMS) system in Newcastle that is part of the UK's Automatic Urban and Rural Network (AURN) of air quality monitoring stations. For PM10, orthogonal regression of the DustMate against TEOM-FDMS data gave a slope and intercept of 1.02 +/- 0.06 and 3.7 +/- 1.2, respectively (R2 = 0.73), whereas for PM2.5, the respective values were 0.78 +/- 0.06 and -0.63 +/- 0.55 (R2 = 0.79). These parameters are comparable to literature calibration studies using this technology. There was good agreement between simultaneous samples taken using two DustMate instruments: for PM10, a slope and intercept of 1.05 +/- 0.03 and 0.36 +/- 0.5, respectively (R2 = 0.73), were obtained, whereas for the PM2.5, the respective values were 0.79 +/- 0.01 and 0.19 +/- 0.06 (R2 = 0.86). Correction factors based on the slope and intercepts obtained from the calibration exercise were applied to raw data collected from the DustMate. An annually-normalised correction procedure was then used to account for different background particulate concentrations on different sampling days. These corrected PM10 and PM2.5 concentrations and corresponding GPS coordinates were displayed on a base map using Google Fusion Tables and Google Earth Professional. Almost all areas surveyed in Newcastle/Gateshead were well below the EU Air Quality Standards for PM10 and PM2.5. PMID- 27867425 TI - Gold nanoparticles for cancer radiotherapy: a review. AB - Radiotherapy is currently used in around 50% of cancer treatments and relies on the deposition of energy directly into tumour tissue. Although it is generally effective, some of the deposited energy can adversely affect healthy tissue outside the tumour volume, especially in the case of photon radiation (gamma and X-rays). Improved radiotherapy outcomes can be achieved by employing ion beams due to the characteristic energy deposition curve which culminates in a localised, high radiation dose (in form of a Bragg peak). In addition to ion radiotherapy, novel sensitisers, such as nanoparticles, have shown to locally increase the damaging effect of both photon and ion radiation, when both are applied to the tumour area. Amongst the available nanoparticle systems, gold nanoparticles have become particularly popular due to several advantages: biocompatibility, well-established methods for synthesis in a wide range of sizes, and the possibility of coating of their surface with a large number of different molecules to provide partial control of, for example, surface charge or interaction with serum proteins. This gives a full range of options for design parameter combinations, in which the optimal choice is not always clear, partially due to a lack of understanding of many processes that take place upon irradiation of such complicated systems. In this review, we summarise the mechanisms of action of radiation therapy with photons and ions in the presence and absence of nanoparticles, as well as the influence of some of the core and coating design parameters of nanoparticles on their radiosensitisation capabilities. PMID- 27867428 TI - A class of non-linear exposure-response models suitable for health impact assessment applicable to large cohort studies of ambient air pollution. AB - The effectiveness of regulatory actions designed to improve air quality is often assessed by predicting changes in public health resulting from their implementation. Risk of premature mortality from long-term exposure to ambient air pollution is the single most important contributor to such assessments and is estimated from observational studies generally assuming a log-linear, no threshold association between ambient concentrations and death. There has been only limited assessment of this assumption in part because of a lack of methods to estimate the shape of the exposure-response function in very large study populations. In this paper, we propose a new class of variable coefficient risk functions capable of capturing a variety of potentially non-linear associations which are suitable for health impact assessment. We construct the class by defining transformations of concentration as the product of either a linear or log-linear function of concentration multiplied by a logistic weighting function. These risk functions can be estimated using hazard regression survival models with currently available computer software and can accommodate large population based cohorts which are increasingly being used for this purpose. We illustrate our modeling approach with two large cohort studies of long-term concentrations of ambient air pollution and mortality: the American Cancer Society Cancer Prevention Study II (CPS II) cohort and the Canadian Census Health and Environment Cohort (CanCHEC). We then estimate the number of deaths attributable to changes in fine particulate matter concentrations over the 2000 to 2010 time period in both Canada and the USA using both linear and non-linear hazard function models. PMID- 27867429 TI - Correlation between Diastolic Function and Endothelial Function in Patients with Type 2 Diabetes and Hypertension. AB - BACKGROUND: Endothelial dysfunction may be involved in the pathophysiology of cardiac abnormalities in patients with diabetes mellitus (DM). A correlation between endothelial dysfunction and diastolic dysfunction in patients with type 1 DM has been demonstrated, but this relationship has not been well investigated in type 2 DM. OBJECTIVE: Compare groups of patients with type 2 DM and hypertension with and without diastolic dysfunction using endothelial function indexes, and to assess whether correlations exist between the diastolic function and the endothelial function indexes. METHOD: This was a cross-sectional study of 34 men and women with type 2 DM and hypertension who were aged between 40 and 70 years and were categorized based on assessments of their Doppler echocardiographic parameters as having normal (14 patients) and abnormal (20 patients) diastolic function. Flow-mediated dilatation (FMD) assessments of the brachial artery evaluated the patients' endothelial function. RESULTS: The mean maximum FMD was 7.15 +/- 2.80% for the patients with diastolic dysfunction and it was 11.85 +/- 4.77% for the patients with normal diastolic function (p = 0.004). Correlations existed between the maximum FMD and the E/e' ratio (p = 0.040, r = -0.354) and the early wave velocity (e') at the lateral mitral annulus (p = 0.002, r = 0.509). CONCLUSION: The endothelial function assessed by FMD was worse in hypertensive diabetic patients with diastolic dysfunction. There were correlations between the diastolic function indexes and the endothelial function indexes in our sample. PMID- 27867430 TI - Evaluation in Mouse Model of Combined Virus-bacterial Vaccine Based on Attenuated Influenza A(H7N3) Virus and the Group B Streptococcus Recombinant Polypeptides. AB - BACKGROUND: Secondary bacterial influenza complications are a common cause of excesses morbidity and mortality, which determines the need to develop means for specific prophylaxis. Group B streptococcal infection is especially common cause of pneumonia among children and the elderly with underlying conditions. Here we investigate in a mouse model the effects of combined intranasal immunization using live attenuated influenza vaccine and recombinant polypeptides based on group B Streptococcus surface proteins. METHODS: Groups of outbred mice received two doses of the following preparations: 1) the reassortant A/17/Mallard/Netherlands/00/95 (H7N3) influenza virus; 2) a mixture of P6, ScaAB, ScpB1 and Stv recombinant GBS proteins (20 ug total); 3) the A(H7N3) influenza vaccine pooled with the four bacterial peptide preparation; 4) control animals were treated with PBS. RESULTS: Intranasal vaccination using LAIV in combination with GBS polypeptides provided advantageous protection against infections with homologous A/Mallard/Netherlands/12/00 (H7N3) wild type virus or heterologous A/Puerto Rico/8/34 (H1N1) followed by serotype II GBS infection. Also, combined vaccination improved bacterial clearance from the lungs of mice. CONCLUSION: Intranasal immunization with LAIV+GBSV was safe and enabled to induce the antibody response to each of vaccine components. Thus, the combined vaccine increased the protective effect against influenza and its bacterial complications in mice compared to LAIV-only. PMID- 27867431 TI - The Avise Lupus Test and Cell-bound Complement Activation Products Aid the Diagnosis of Systemic Lupus Erythematosus. AB - BACKGROUND: Systemic lupus erythematosus (SLE) is a multifaceted disease, and its diagnosis may be challenging. A blood test for the diagnosis of SLE, the Avise Lupus test, has been recently commercialized and validated in clinical studies. OBJECTIVES: To evaluate the use of the Avise Lupus test by community rheumatologists. METHODS: The study is a longitudinal, case-control, retrospective review of medical charts. Cases had a positive test result, and controls had a negative result; all patients were anti-nuclear antibodies (ANA) positive but negative for SLE-specific autoantibodies. Features of SLE, diagnosis, and medications at two time points were recorded. RESULTS: Twenty of the 23 cases (87%) and 4 of the 23 controls (17%) were diagnosed with SLE (sensitivity=83%; specificity=86%). More cases than controls (43% vs. 17%) fulfilled 4 American College of Rheumatology (ACR) classification criteria of SLE. Sensitivity of the test was significantly higher than the ACR score (83% vs. 42%, p=0.006). A higher percentage of patients who met the classification criteria had elevated cell-bound complement activation products (CB-CAPs) compared to patients who did not. Anti-rheumatic medications were used in a higher percentage of cases than controls (83% vs. 35% at baseline, p=0.002), suggesting that cases were treated more aggressively early on. CONCLUSION: A positive Avise Lupus test result aids in formulating a SLE diagnosis when diagnosis based on standard-of-care tests and clinical features may be challenging, and impacts patient management. Prospective studies will be performed to better evaluate the clinical utility of the test and of CB-CAPs as biomarkers of SLE. PMID- 27867432 TI - Arthritis of the Knee Joint in Rheumatoid Arthritis - Evaluation of Treatment Response by Ultrasound in Daily Clinical Practice. AB - BACKGROUND: Rheumatoid arthritis (RA) commonly involves the knee joint in up to 30% of patients. Musculoskeletal ultrasound enables the skilled clinician to easily assess disease activity. OBJECTIVE: To evaluate the sensitivity to change of the sonography score of large joints in Rheumatology (SOLAR) for different treatments of knee arthritis in RA. METHOD: Joints were assessed by ultrasound at 4 visits. Laboratory, immunological and clinical parameters were recorded. RESULTS: 225 RA patients were analyzed. The DAS 28 in the subgroup receiving systemic steroids was significantly higher (p < 0.001) than in patients treated with intraarticular glucocorticosteroids (GCs) at T0, comparing the values from T0 to T3 the same appeared (p=0.003). Concerning the acute GC treatment regimens, the gray scale ultrasound (GSUS) sum score was found to be significantly higher in patients receiving intraarticular GCs versus no GCs (p=0,035), as well as in patients receiving systemic versus intraarticular GCs (p=0.001). Regarding the differences from T0 and T3, similar to the baseline analysis, a high GSUS sum score was significantly associated with intraarticular GCs, a low to no GC administration (p=0.035), while a high GSUS sum score was significantly linked to intraarticular GCs, rather than systemic GCs (p=0.008). CONCLUSION: SOLAR score is sensitive to change in knee arthritis. Intraarticular GC administration is performed in patients with high GSUS scores. Systemic administration of GC is linked to high disease activity (DAS28) rather than GSUS or power Doppler ultrasound (PDUS) results. PMID- 27867433 TI - Open-label Study of Initial and Repeat Treatment Cycles of Hylan G-F 20 in Patients with Symptomatic Knee Osteoarthritis. AB - OBJECTIVE: To evaluate the efficacy and safety of initial and repeat treatment with hylan G-F 20 in patients with symptomatic osteoarthritis (OA) of the knee. METHODS: A prospective, multicenter, open-label study in adult patients with symptomatic knee OA (Kellgren-Lawrence grades I-III) undergoing repeat (SC group) or initial (IC group) treatment courses (3 x 2 mL of hylan G-F 20 at weekly intervals) was conducted with a maximum follow-up of 26 weeks. Reduction of pain using the Verbal Pain Questionnaire (VPQ) and Patient Global Assessment (PTGA) scores, concomitant pain medications use, and adverse events (AEs) were evaluated. RESULTS: A total of 842 patients were included (SC group, n=314; IC group, n=528), of whom 616 formed the intent-to-treat (ITT) population (SC group, n=235; IC group, n=381). Of the 462 patients with follow-up at week 26, 311 (67.3%) were defined as responders. In the ITT population, VPQ scores decreased significantly at 26 weeks (p<0.001) compared with baseline. VPQ and PTGA scores decreased significantly (p<0.001) from baseline at all time points, without any significant changes in concomitant medication use. Twenty-four treatment-related AEs (TEAEs) were reported in 2.9% of patients, with most being mild or moderate in intensity and resolving without sequelae. CONCLUSION: Initial and repeat courses of hylan G-F 20 were effective with a favorable safety profile for knee OA. The large patient population and the study's pragmatic design suggest that these results could be replicated in routine clinical practice. PMID- 27867434 TI - Exploring the Neurocircuitry Underpinning Predictability of Threat in Soldiers with PTSD Compared to Deployment Exposed Controls. AB - BACKGROUND: Prior work examining emotional dysregulation observed in posttraumatic stress disorder (PTSD) has primarily been limited to fear-learning processes specific to anticipation, habituation, and extinction of threat. In contrast, the response to threat itself has not been systematically evaluated. OBJECTIVE: To explore potential disruption in fear conditioning neurocircuitry in service members with PTSD, specifically in response to predictable versus unpredictable threats. METHOD: In the current study, active-duty U.S. Army soldiers with (PTSD group; n = 38) and without PTSD (deployment-exposed controls; DEC; n = 40), participated in a fear-conditioning study in which threat predictability was manipulated by presenting an aversive unconditioned stimulus (UCS) that was either preceded by a conditioned stimulus (i.e., predictable) or UCS alone (i.e., unpredictable). Threat expectation, skin conductance response (SCR), and functional magnetic resonance imaging (fMRI) signal to predictable and unpredictable threats (i.e., UCS) were assessed. RESULTS: Both groups showed greater threat expectancy and diminished threat-elicited SCRs to predictable compared to unpredictable threat. Significant group differences were observed within the amygdala, hippocampus, insula, and superior and middle temporal gyri. Contrary to our predictions, the PTSD group showed a diminished threat-related response within each of these brain regions during predictable compared to unpredictable threat, whereas the DEC group showed increased activation. CONCLUSION: Although, the PTSD group showed greater threat-related diminution, hypersensitivity to unpredictable threat cannot be ruled out. Furthermore, pre trauma, trait-like factors may have contributed to group differences in activation of the neurocircuitry underpinning fear conditioning. PMID- 27867436 TI - Putamen Activation Represents an Intrinsic Positive Prediction Error Signal for Visual Search in Repeated Configurations. AB - We investigated fMRI responses to visual search targets appearing at locations that were predicted by the search context. Based on previous work in visual category learning we expected an intrinsic reward prediction error signal in the putamen whenever the target appeared at a location that was predicted with some degree of uncertainty. Comparing target appearance at locations predicted with 50% probability to either locations predicted with 100% probability or unpredicted locations, increased activation was observed in left posterior putamen and adjacent left posterior insula. Thus, our hypothesis of an intrinsic prediction error-like signal was confirmed. This extends the observation of intrinsic prediction error-like signals, driven by intrinsic rather than extrinsic reward, to memory-driven visual search. PMID- 27867437 TI - Sero-prevalence and Correlates of Hepatitis B and C Co-infection Among HIV infected Individuals in Two Regional Hospitals in Cameroon. AB - BACKGROUND: Liver disease related to Hepatitis B (HBV) and C (HCV) infection has become a major cause of morbidity and mortality in HIV/AIDS patients. Data on the prevalence of HBV and HCV in Cameroon remains inconclusive. OBJECTIVE: We aimed to determine the sero-prevalence and correlates of Hepatitis markers in HIV/AIDS patients in two Regional Hospitals. METHODS: A cross-sectional study carried out from December 2014 to March 2015. HIV/AIDS patients aged 21 were included and above, receiving care at HIV treatment centres. Data was collected using a structured questionnaire. Blood samples were collected to screen for Hepatitis with HBsAg and anti HCV antibody rapid immunochromatographic test kits. Correlates of hepatitis were investigated by logistic regression. STATA was used for data analysis. RESULTS: We included 833 HIV/AIDS patients,78.8% (657) were female. Mean age was 44(SD 11) years. Prevalence of Hepatitis in general (total of two viral markers tested) was 8.9% (74/833), with 6.1% for HBsAg and 2.8% for Anti-HCV antibodies. From multivariate analysis, the likelihood of having hepatitis was independently increased by a history of surgical interventions [OR: 1.82(1.06-3.14)], and of sexually transmitted infections [OR: 2.20(1.04-4.67)]. CONCLUSION: Almost one in ten participants with HIV/AIDS attending the BRH and LRH tested positive for either HBsAg or anti HCV antibodies. Screening for HBV and HCV should therefore be integrated to the existing guidelines in Cameroon as it can influence management. More studies are needed to evaluate the extent of liver disease and magnitude of HIV suppression in hepatitis and HIV coinfection in this setting. PMID- 27867438 TI - Total Sleep Deprivation and Pain Perception during Cold Noxious Stimuli in Humans. AB - BACKGROUND AND AIMS: A substantial portion of the population suffers from chronic pain leading to significant health care costs and lost productivity. Loss of sleep duration and quality are widely reported in patients suffering from a variety of acute or chronic pain conditions. Conversely, sleep loss has been known to elevate pain perception; thus a potential bi-directional relationship exists between sleep deprivation and pain. To date, the majority of studies examining the relationship between experimentally induced pain and sleep loss have focused on the measurement of pain threshold. Additionally, despite evidence of sex differences in ratings of perceived pain, previous studies examining pain following sleep loss have not probed for sex differences. We examined the effects of 24-hour total sleep deprivation (TSD) on perceived pain during a 2-minute cold pressor test (CPT). We hypothesized that TSD would augment perceived pain and that women would demonstrate an elevated pain response compared to men. METHODS: Testing was carried out in 14 men and 13 women. All subjects reported to be nonsmokers with no history of cardiovascular disease, autonomic dysfunction, asthma, or diabetes. All female subjects were free of oral contraceptive use, and were tested during the early follicular phase of the menstrual cycle. Trial order was randomized and testing sessions (Normal sleep (NS) and TSD) were separated by approximately one month. Subjects immersed their left hand, up to the wrist, in an ice water bath (~1 degrees C), and perceived pain was recorded every 15 seconds from a modified Borg scale (6-20 arbitrary units a.u.). RESULTS: Perceived pain responses during CPT were augmented following TSD (Delta1.2 a.u.; time * condition, p<0.05). The augmented pain response following TSD was noted when perceived pain was expressed as mean (NS Delta7.0+/-0.5 vs. TSD Delta8.2+/ 0.5 a.u.; p<0.05) or peak (NS Delta8.9+/-0.6 vs. TSD Delta10.2+/-0.5 a.u.; p<0.05) perceived pain. The effects of TSD on perceived pain were similar in both men and women (condition * time * sex, p>0.05). CONCLUSIONS AND IMPLICATIONS: We conclude that TSD significantly augments perceived pain during CPT, but this response was not sex dependent. These findings support emerging evidence that adequate sleep represents a relevant, and cost effective, preventative/therapeutic strategy to reduce self-perceived pain in both men and women. PMID- 27867440 TI - An Unusual Case of a Metallic Foreign Body per Urethra. AB - BACKGROUND: Foreign body in the lower urinary tract has a low incidence. Here we discuss a case of a safety pin within the bulbar urethra inserted by a young boy for sexual gratification, which was successfully removed under cysto urethroscopic guidance. CASE REPORT: Herein we present a case of a 14-year-old boy who presented with complaints of perineal pain and dysuria. On evaluation in detail and from clinical history, we came to know that he had inserted a safety pin within the urethra. Urine analysis revealed microscopic haematuria and few pus cells. X-ray of the pelvis and computerised tomography helped in confirming the presence of the safety pin within the urethra. CONCLUSIONS: The method of extraction of a foreign body per urethra depends on the size and shape of the foreign body. Cysto-urethroscopic removal is successful depending on the physical characteristics of the foreign body. It has the advantage of minimising urothelial trauma and also helps in assessing any previous mucosal injury or thickening. Psychological evaluation and counselling may help to prevent further such episodes. PMID- 27867439 TI - Evaluation of Head and Neck Paragangliomas by Computed Tomography in Patients with Pheochromocytoma-Paraganglioma Syndromes. AB - BACKGROUND: Hereditary head and neck paragangliomas (HNP) are very often associated with pheochromocytoma-paraganglioma syndromes, which are caused by mutations in genes encoding subunits of succinate dehydrogenase (SDHx) complex. The aim of this study was to determine the frequency and location of HNP among SDHx carriers. MATERIAL/METHODS: A total of 72 patients with SDHx mutations underwent computed tomography examinations of the head and neck. HNP were present in 44 (61.1%) out of 72 patients (31 SDHD, 11 SDHB, 2 SDHC); 113 HNP were found; the most common were carotid paragangliomas (59) and vagal paragangliomas (27). RESULTS: The HNP were statistically more frequent in carriers of SDHD mutations compared to carriers of SDHB mutations (72.1% vs. 43.5%, p=0.033). Multiple tumors more often occurred in patients with SDHD mutations 26/31 (83.9%) than in patients with SDHB mutations 6/11 (54.5%) p=0.05. There was a significant difference in the prevalence of carotid paragangliomas between patients with SDHB and SDHD mutations (7/11 [63.6%] vs. 30/31 [96.8%], respectively, p=0.004). Patients with SDHD mutations more often had carotid paragangliomas located on the left side than on the right side, as compared to SDHB mutations 25/31 (80.6%) vs. 4/11 (36.4%), p=0.006. CONCLUSIONS: SDHx mutations predispose to multifocal and bilateral HNP. Carotid and vagal paragangliomas occurred most often. Patients with SDHD mutations are characterized by higher frequency of HNP than patients with SDHB mutations, which is mainly driven by higher frequency of carotid body tumors in patients with SDHD mutations. No difference in the frequency of head and neck paragangliomas in other locations was found. PMID- 27867441 TI - The Role of Computed Tomography in the Diagnostics of Diaphragmatic Injury After Blunt Thoraco-Abdominal Trauma. AB - BACKGROUND: Diaphragmatic injuries occur in 0.8-8% of patients with blunt trauma. The clinical diagnosis of diaphragmatic rupture is difficult and may be overshadowed by associated injuries. Diaphragmatic rupture does not resolve spontaneously and may cause life-threatening complications. The aim of this study was to present radiological findings in patients with diaphragmatic injury. MATERIAL/METHODS: The analysis of computed tomography examinations performed between 2007 and 2012 revealed 200 patients after blunt thoraco-abdominal trauma. Diaphragmatic rupture was diagnosed in 13 patients. Twelve of these patients had suffered traumatic injuries and underwent a surgical procedure that confirmed the rupture of the diaphragm. Most of diaphragmatic ruptures were left-sided (10) while only 2 of them were right-sided. In addition to those 12 patients there, another patient was admitted to the emergency department with left-sided abdominal and chest pain. That patient had undergone a blunt thoracoabdominal trauma 5 years earlier and complained of recurring pain. During surgery there was only partial relaxation of the diaphragm, without rupture. The most important signs of the diaphragmatic rupture in computed tomography include: segmental discontinuity of the diaphragm with herniation through the rupture, dependent viscera sign, collar sign and other signs (sinus cut-off sign, hump sign, band sign). RESULTS: In our study blunt diaphragmatic rupture occurred in 6% of cases as confirmed intraoperatively. In all patients, coronal and sagittal reformatted images showed herniation through the diaphragmatic rupture. In left-sided ruptures, herniation was accompanied by segmental discontinuity of the diaphragm and collar sign. In right-sided ruptures, predominance of hump sign and band sign was observed. Other signs were less common. CONCLUSIONS: The knowledge of the CT findings suggesting diaphragmatic rupture improves the detection of injuries in thoraco-abdominal trauma patients. PMID- 27867442 TI - The Slowly Enlarging Ventriculus Terminalis. AB - BACKGROUND: A cerebral spinal fluid (CSF) cavity within the conus medullaris has been described by the term ventriculus terminalis (VT) or the fifth ventricle. The finding of a VT on MRI imaging of the lumbar spine is often incidental but may be found in patients with low back pain or neuromuscular deficits. These lesions, when identified, are thought to regress or remain stable in terms of size, although some have been described to enlarge in the presence of post traumatic meningeal hemorrhages or deformities of the vertebral canal. CASE REPORT: We describe a case of a slowly growing VT in a patient with progressing lower limb weakness without any history or imaging findings of trauma or spinal canal abnormalities. CONCLUSIONS: We present an intriguing case of a slowly growing VT in a woman with progressive neurological symptoms. Surgical fenestration provided complete symptomatic relief and follow-up imaging two years after surgery demonstrated no evidence of recurrence. This, to our knowledge, is the first described case of a slowly enlarging VT independent of any other imaging findings. PMID- 27867443 TI - The Complexities of Accessing Care and Treatment: Understanding Alcohol Use by Aboriginal Persons Living with HIV and AIDS. AB - The role of alcohol in the transmission of HIV and access to health services for persons living with HIV/AIDS is relatively unexamined across the globe. Our team's community-based, mixed methods study examined both of these questions from the perspectives of Aboriginal persons living in Canada with HIV/AIDS (APHA) and service providers (SP). A bilingual national survey was undertaken with APHAs and SPs and the findings were followed up on in peer interviews. A complex relationship was identified between alcohol use, perceptions of alcohol use and access to services. Nearly half of APHAs surveyed reported that alcohol played a role in their becoming HIV positive. APHAs and SPs differed in their assessment of the impact of alcohol in the lives of Aboriginal persons once diagnosed, with a far greater proportion of SPs identifying it as problematic. Both SPs and APHAs associated the misuse of alcohol with diminished health. Nearly half of the APHAs surveyed shared they had been told they were drinking by a SP when they were not, while over one-third reported ever being denied services because of drinking when in fact they were not. Both SPs and APHAs identified physical health and discrimination as key reasons. Notwithstanding these results that point to shortcomings in service provision, the data also reveal that most APHAs are recieving care in which their choices are respected and from providers they trust. The findings point to the need for a nuanced strategy to solidify the strengths and address the shortcomings in APHA's service provision. PMID- 27867444 TI - The Indigenous Red Ribbon Storytelling Study: What does it mean for Indigenous peoples living with HIV and a substance use disorder to access antiretroviral therapy in Saskatchewan? AB - Indigenous peoples living with HIV are less likely than non-Indigenous peoples living with HIV to access antiretroviral therapy; however, there is not enough contextual information surrounding this issue. The Indigenous Red Ribbon Storytelling Study was conducted in part to examine how Indigenous peoples living with HIV construct and understand their experiences accessing antiretroviral therapy. Our study design was critical Indigenous qualitative research, using the Behavioral Model of Health Services Use and community-based participatory research approaches. The study was conducted in partnership with Indigenous and non-Indigenous organizations. Study participants were adults from two Canadian cities. The study methods included 20 individual and two Indigenous sharing circle interviews, six participant observation sessions, a short survey and thematic analysis. Accessing antiretroviral therapy within the context of living with a substance use disorder was an overarching theme. Indigenous peoples living with HIV felt they had to choose between living with their active substance use disorder and accessing antiretroviral therapy. They felt misunderstood as a person living with a substance use disorder and often felt coerced into using antiretroviral therapy. Despite these challenges, they persevered as Indigenous peoples living with HIV and a substance use disorder. Further research on antiretroviral therapy access among Indigenous peoples living with HIV and a substance use disorder, particularly from the perspective of health service providers, is needed. PMID- 27867445 TI - Research as Cultural Renewal: Applying Two-Eyed Seeing in a Research Project about Cultural Interventions in First Nations Addictions Treatment. AB - This article explores the application of two-eyed seeing in the first year of a three-year study about the effectiveness of cultural interventions in First Nations alcohol and drug treatment in Canada. Two-eyed seeing is recognized by Canada's major health research funder as a starting point for bringing together the strengths of Indigenous and Western ways of knowing. With the aim of developing a culture-based measurement tool, our team carried out an Indigenous centred research process with our interpretation of two-eyed seeing as a guiding principle. This enabled us to engage in a decolonizing project that prioritized Indigenous methodologies and ways of knowing and knowledge alongside those of Western science. By concentrating on Indigenous governance in the research process, our project supported efforts at Indigenous cultural renewal. Two illustrations are offered, our team's reconceptualization of Western derived understandings of data collection through Indigenous storytelling and our research grant timeframe with Indigenous knowledge gardening. This article contributes to the Indigenous research and policy literature which is lacking documentation about how Indigenous communities and research teams are benefitting from two-eyed seeing. PMID- 27867446 TI - "So far it's been choosing which side effects I want or I can deal with": A grounded theory of HIV treatment side effects among people living with HIV. AB - Despite the availability of new antiretroviral drugs and the simplification of treatment options, side effects continue to affect people living with HIV. In this paper, we present the findings of a grounded theory study designed to gain a critical understanding of the experience of side effects. Three main categories emerged from the data: the side effects, the experience, and the connections. The first category suggests that we need to change how we think about side effects in order to take into account the context in which they are experienced as well as the types and nature of side effects. The second category puts forward the idea that the experience of side effects is composed of three interrelated processes: becoming with, living with, and dealing with. Finally, the third category points to new connections that are formed with people, things and systems in the presence of side effects. PMID- 27867449 TI - Exploring the Potential of Indigenous Foods to Address Hidden Hunger: Nutritive Value of Indigenous Foods of Santhal Tribal Community of Jharkhand, India. AB - Traditional foods of indigenous communities can be explored as a sustainable means of addressing undernutrition. Our study aimed at identifying indigenous foods of the Santhal tribal community of Godda district of Jharkhand, India, assessing their nutritive value, and appraising their potential role in addressing hidden hunger. A cross-sectional survey using qualitative methods like focus group discussions with women of childbearing age (15-49 years), adult males, and elderly people was conducted for food identification. This was followed by taxonomic classification and quantitative estimate of nutritive value of the identified foods either in a certified laboratory or from secondary data. The community was well aware of the indigenous food resources in their environment. More than 100 different types of indigenous foods including a number of green leafy vegetables were identified. Taxonomic classification was available for 25 food items and an additional 26 food items were sent for taxonomic classification. Many indigenous foods (more than 50% of which were green leafy vegetables) were found to be rich sources of micronutrients like calcium, iron, vitamin A as beta carotene, and folate. Maximizing utilization of indigenous foods can be an important and sustainable dietary diversification strategy for addressing hidden hunger in this indigenous community. PMID- 27867447 TI - The Roles of School Readiness and Poverty-Related Risk for 6th Grade Outcomes. AB - Low-income students are at increased risk for grade retention and suspension, which dampens their chances of high school graduation, college attendance, and future success. Drawing from a sample of 357 children and their families who participated in the Chicago School Readiness Project, we examine whether greater exposure to cumulative poverty-related risk from preschool through 5th grade is associated with greater risk of student retention and suspension in 6th grade. Logistic regression results indicate that exposure to higher levels of cumulative risk across the elementary school years is associated with students' increased risk of retention in 6th grade, even after controlling for child school readiness skills and other covariates. Importantly, findings of the association between average cumulative risk exposure and student suspension are more complex; the role of poverty-related risk is reduced to non-significance once early indicators of child school readiness and other covariates are included in regression models. While, children's early externalizing behavior prior to kindergarten places children at greater risk of suspension 7 years later, children's higher levels of internalizing behaviors and early math skills are associated with significantly decreased risk of suspension in the 6th grade. Together, findings from the study suggest the complex ways that both early school readiness and subsequent exposure to poverty-related risk may both serve as compelling predictors of children's likelihood of "staying on track" academically in the 6th grade. PMID- 27867448 TI - Management Commitment to Safety, Teamwork, and Hospital Worker Injuries. AB - Although many studies link teamwork in health care settings to patient safety, evidence linking teamwork to hospital worker safety is lacking. This study addresses this gap by providing evidence linking teamwork perceptions in hospital workers to worker injuries, and further, finds a linkage between manager commitment to safety and teamwork. Organizational records of worker injuries and survey responses regarding management commitment to safety and teamwork from 446 hospital workers within 42 work units in a multi-site hospital system were examined. Results underscored the particular importance of teamwork on worker injuries as well as the importance of management commitment to safety as relating to teamwork. To improve worker safety, organizational leaders and unit managers should work to maintain environments wherein teamwork can thrive. PMID- 27867450 TI - Preserving Patient Privacy When Sharing Same-Disease Data. AB - Medical and health data are often collected for studying a specific disease. For such same-disease microdata, a privacy disclosure occurs as long as an individual is known to be in the microdata. Individuals in same-disease microdata are thus subject to higher disclosure risk than those in microdata with different diseases. This important problem has been overlooked in data-privacy research and practice, and no prior study has addressed this problem. In this study, we analyze the disclosure risk for the individuals in same-disease microdata and propose a new metric that is appropriate for measuring disclosure risk in this situation. An efficient algorithm is designed and implemented for anonymizing same-disease data to minimize the disclosure risk while keeping data utility as good as possible. An experimental study was conducted on real patient and population data. Experimental results show that traditional reidentification risk measures underestimate the actual disclosure risk for the individuals in same disease microdata and demonstrate that the proposed approach is very effective in reducing the actual risk for same-disease data. This study suggests that privacy protection policy and practice for sharing medical and health data should consider not only the individuals' identifying attributes but also the health and disease information contained in the data. It is recommended that data-sharing entities employ a statistical approach, instead of the HIPAA's Safe Harbor policy, when sharing same-disease microdata. PMID- 27867453 TI - [Individual determinants of the Quebec electronic health record adoption]. AB - AIM: The potential of electronic health records to improve effectiveness, safety and quality of health care has been shown in several previous studies. However healthcare professionals remain reticent as for its use, which limits its potential effect on the health care system. The present study aimed to evaluate physicians' perceptions towards the electronic health record of Quebec. METHODS: Based on a literature review of the factors affecting the adoption of information and communication technologies in general, and e-health in particular, questionnaire was developed. A total of 12 doctors who represent potential users of the Quebec electronic health record completed and returned the questionnaire. Afterwards we performed a thematic analysis of content which was followed by a theorisation of emerging concepts. RESULTS: Physicians' intention to adopt the Quebec electronic health record is positively influenced by perceived usefulness, perceived ease of use, demonstrability of the results, system's compatibility with practice, and computer self-efficacy. Conversely, resistance to change negatively influences physicians' adoption of the electronic health record. CONCLUSION: It is crucial to understand factors that influence the acceptance of the Quebec electronic health records to inform decision makers. This will allow identifying potential users' expectations and to adjust implementation strategies accordingly in order to favour a better integration of this technology into medical practices. PMID- 27867451 TI - Thioredoxin-Interacting Protein Mediates NLRP3 Inflammasome Activation Involved in the Susceptibility to Ischemic Acute Kidney Injury in Diabetes. AB - Kidney in diabetic state is more sensitive to ischemic acute kidney injury (AKI). However, the underlying mechanisms remain unclear. Herein, we examined the impact of diabetes mellitus on thioredoxin-interacting protein (TXNIP) expression and whether mediated NLRP3 activation was associated with renal ischemia/reperfusion- (I/R-) induced AKI. In an in vivo model, streptozotocin-induced diabetic rats showed higher susceptibility to I/R injury with increased TXNIP expression, which was significantly attenuated by resveratrol (RES) treatment (10 mg/kg intraperitoneal daily injection for 7 consecutive days prior to I/R induction). RES treatment significantly inhibited TXNIP binding to NLRP3 in diabetic rats subjected to renal I/R injury. Furthermore, RES treatment significantly reduced cleaved caspase-1 expression and production of IL-1beta and IL-18. In an in vitro study using cultured human kidney proximal tubular cell (HK-2 cells) in high glucose condition (HG, 30 mM) subjected to hypoxia/reoxygenation (H/R), HG combined H/R (HH/R) stimulated TXNIP expression which was accompanied by increased NLRP3 expression, ROS generation, caspase-1 activity and IL-1beta levels, and aggravated HK-2 cells apoptosis. All these changes were significantly attenuated by TXNIP RNAi and RES treatment. In conclusion, our results demonstrate that TXNIP-mediated NLRP3 activation through oxidative stress is a key signaling mechanism in the susceptibility to AKI in diabetic models. PMID- 27867452 TI - Renalase as a Novel Biomarker for Evaluating the Severity of Hepatic Ischemia Reperfusion Injury. AB - Hepatic ischemia-reperfusion (I/R) injury is a serious complication in clinical practice. However, no efficient biomarkers are available for the evaluation of the severity of I/R injury. Recently, renalase has been reported to be implicated in the I/R injury of various organs. This protein is secreted into the blood in response to increased oxidative stress. To investigate the responsiveness of renalase to oxidative stress, we examined the changes of renalase in cell and mouse models. We observed a significant increase of renalase expression in HepG2 cells in a time- and dose-dependent manner when treated with H2O2. Renalase expression also increased significantly in liver tissues that underwent the hepatic I/R process. The increased renalase levels could be efficiently suppressed by antioxidants in vitro and in vivo. Furthermore, serum renalase levels were significantly increased in the mouse models and also efficiently suppressed by antioxidants treatment. The variation trends are consistent between renalase and liver enzymes in the mouse models. In conclusion, renalase is highly sensitive and responsive to oxidative stress in vitro and in vivo. Moreover, renalase can be detected in the blood. These properties make renalase a highly promising biomarker for the evaluation of the severity of hepatic I/R injury. PMID- 27867454 TI - Predictors for the Outcome of Aortic Regurgitation After Cardiac Surgery in Patients with Ventricular Septal Defect and Aortic Cusp Prolapse in Saudi Patients. AB - BACKGROUND AND AIM: Aortic valve (AV) prolapse and subsequent aortic regurgitation (AR) are two complications of ventricular septal defects (VSD) that are located close to or in direct contact with the AV. This finding is one of the indications for surgical VSD closure even in the absence of symptoms to protect the AV integrity. The goal of our study was to assess the outcome and to identify the predictors for improvement or progression of AR after surgical repair. MATERIALS AND METHODS: A retrospective study of all children with VSD and AV prolapse who underwent cardiac surgery at King Abdulaziz Cardiac Centre in Riyadh between July 1999 and August 2013. RESULTS: A total of 41 consecutive patients, operated for VSD with prolapsed AV, with or without AR, were reviewed. The incidence of AV prolapse in the study population was 6.8% out of 655 patients with VSD. Thirty-six (88%) patients had a perimembranous VSD, and four had doubly committed VSD. Only one patient had an outlet muscular VSD. Right coronary cusp prolapse was found in 38 (92.7%) patients. Preoperative AR was absent in five patients, mild or less in 25 patients, moderate in seven, and severe in four patients. Twenty-six patients showed improvement in the degree of AR after surgery (Group A), 14 patients showed no change in the degree of AR (Group B) while only one patient showed the progression of his AR after surgery. Those with absent AR before surgery remained with no AR after surgery. Improvement was found more in those with mild degree of AR preoperatively compared to those with moderate and severe AR. Female gender also showed a tendency to improve more as compared to male. CONCLUSION: Early surgical closure is advisable for patients with VSD and associated AV prolapse to achieve a better outcome after repair and to prevent progression of AR in future. PMID- 27867455 TI - Diagnostic Accuracy of Computed Tomography Angiography as Compared to Conventional Angiography in Patients Undergoing Noncoronary Cardiac Surgery. AB - OBJECTIVE: To compare the diagnostic accuracy of multi-slice computed tomography (MSCT) angiography with conventional angiography in patients undergoing major noncoronary cardiac surgeries. MATERIALS AND METHODS: We studied fifty major noncoronary cardiac surgery patients scheduled for invasive coronary angiography, 29 (58%) female and 21 (42%) male. Inclusion criteria of the study were age of the patients >=40 years, having low or intermediate probability of coronary artery disease (CAD), left ventricular ejection fraction (LVEF) >35%, and patient giving informed consent for undergoing MSCT and conventional coronary angiography. The patients with LVEF <35%, high pretest probability of CAD, and hemodynamically unstable were excluded from the study. RESULTS: The diagnostic accuracy of CT coronary angiography was evaluated regarding true positive, true negative values. The overall sensitivity and specificity of CT angiography technique was 100% (95% confidence interval [CI]: 39.76%-100%) and 91.30% (95% CI: 79.21%-97.58%). The positive (50%; 95% CI: 15.70%-84.30%) and negative predictive values (100%; 95% CI: 91.59%-100%) of CT angiography were also fairly high in these patients. CONCLUSION: Our study suggests that this non-invasive technique may improve perioperative risk stratification in patients undegoing non cardiac surgery. PMID- 27867457 TI - A Heart Set in Stone: A Case of Extensive Cardiac Calcification. AB - Massive endocardial calcification is a rare entity. We describe a rare disease endomyocardial fibrosis associated with massive calcification of the left ventricle suspected on a chest X-ray and confirmed by echocardiography and computed tomography in an 18-year-old female presenting with breathlessness and congestive heart failure. PMID- 27867456 TI - Heart Failure in Children. AB - Heart failure (HF) in children differs from that in adults in many respects. The causes and clinical presentations may differ considerably among children of different age groups and between children and adults. The time of onset of HF holds the key to the etiological diagnosis. Clinical presentation of HF in younger children can be nonspecific requiring heightened degree of suspicion. The overall outcome with HF is better in children than in adults as HF in children is commonly due to structural heart disease and reversible conditions which are amenable to therapy. The principles of management include treatment of the cause, correction of any precipitating event, and treatment of systemic or pulmonary congestion. Though HF in adults has been the subject of extensive research and generation of evidence-based guidelines, there is a scarcity of evidence base in pediatric HF. PMID- 27867458 TI - Renal Subcapsular Hematoma Caused by Hydrophilic Guide Wire during Patent Ductus Arteriosus Closure. AB - Hydrophilic guide wire-associated renal subcapsular hematoma (RSH) during patent ductus arteriosus (PDA) closure is an extremely rare clinical condition. Herein, we present the case of a 16-year-old adolescent who suffered accidental hydrophilic 0.035-inch guide wire-related RSH during PDA closure. This RSH was diagnosed by computerized tomography and selective renal angiography. It was successfully treated by conservative treatment. PMID- 27867459 TI - Successful Treatment of Giant Left Subclavian Artery Pseudoaneurysm Abutting the Arch of the Aorta and Descending Aorta. AB - A 28-year-old woman presented with 3-month history of fever of unknown origin and progressively increasing cough. She was diagnosed with pulmonary tuberculosis on bronchial lavage cultures. A chest X-ray performed on follow-up showed a new opacity in the left apical area of the chest. Computed tomography scan of chest showed a large 10 cm pseudoaneurysm of the left subclavian artery 1 cm from its take off from the arch of the aorta. The pseudoaneurysm was approached through a left posterolateral thoracotomy and opened following a proximal and distal control. A 3 cm longitudinal defect was identified in the subclavian artery within its intrathoracic portion. This was debrided and repaired with an autologous pericardial patch. The patient had an uneventful recovery and remained well on follow-up. PMID- 27867460 TI - Percutaneous Dual-valve Intervention in a High-risk Patient with Severe Aortic and Mitral Stenosis. AB - Aortic stenosis is the most frequent and mitral stenosis is the least frequent native single-sided valve disease in Europe. Patients with the combination of severe symptomatic degenerative aortic and mitral stenosis are very rare. Guidelines for the treatment of heart valve diseases are clear for single-valve situations. However, there is no common agreement or recommendation for the best treatment strategy in patients with multiple valve disease and severe concomitant comorbidities. A 76-year-old female patient with the combination of severe degenerative symptomatic aortic and mitral stenosis and several comorbidities including severe obesity, who was found unsuitable surgical candidate by the heart team and unsuitable for two-time general anesthesia in the case of two-step single-valve percutaneous approach by anesthesiologists, underwent successful percutaneous dual-valve single-intervention (transcatheter aortic valve implantation and percutaneous mitral balloon commissurotomy). Percutaneous dual valve single-intervention is feasible in selected symptomatic high-risk patients. PMID- 27867461 TI - Transesophageal Echocardiography and Radiation-induced Damages. AB - The long-term sequelae of mantle therapy include, especially lung and cardiac disease but also involve the vessels and the organs in the neck and thorax (such as thyroid, aorta, and esophagus). We presented the case of 66-year-old female admitted for congestive heart failure in radiation-induced heart disease. The patient had undergone to massive radiotherapy 42 years ago for Hodgkin's disease (type 1A). Transesophageal echocardiography was performed unsuccessfully with difficulty because of the rigidity and impedance of esophageal walls. Our case is an extraordinary report of radiotherapy's latency effect as a result of dramatic changes in the structure of mediastinum, in particular in the esophagus, causing unavailability of a transesophageal echocardiogram. PMID- 27867463 TI - Narrative and Dialog. PMID- 27867462 TI - Ruptured Sinus of Valsalva. PMID- 27867464 TI - Rheumatic Fever and Rheumatic Heart Disease a Historical Perspective. PMID- 27867465 TI - Specification of the Myopathy Type may Influence the Management of Noncompaction. PMID- 27867466 TI - A training paradigm to enhance performance and safe use of an innovative neuroendovascular device. AB - Training has been important to facilitate the safe use of new devices designed to repair vascular structures. This paper outlines the generic elements of a training program for vascular devices and uses as an example the actual training requirements for a novel device developed for the treatment of bifurcation intracranial aneurysms. Critical elements of the program include awareness of the clinical problem, technical features of device, case selection, and use of a simulator. Formal proctoring, evaluation of the training, and recording the clinical outcomes complement these elements. Interventional physicians should embrace the merits of a training module to improve the user experience, and vendors, physicians, and patients alike should be aligned in the goal of device training to improve its success rate and minimize complications of the procedure. PMID- 27867467 TI - High-throughput monitoring of wild bee diversity and abundance via mitogenomics. AB - Bee populations and other pollinators face multiple, synergistically acting threats, which have led to population declines, loss of local species richness and pollination services, and extinctions. However, our understanding of the degree, distribution and causes of declines is patchy, in part due to inadequate monitoring systems, with the challenge of taxonomic identification posing a major logistical barrier. Pollinator conservation would benefit from a high-throughput identification pipeline.We show that the metagenomic mining and resequencing of mitochondrial genomes (mitogenomics) can be applied successfully to bulk samples of wild bees. We assembled the mitogenomes of 48 UK bee species and then shotgun sequenced total DNA extracted from 204 whole bees that had been collected in 10 pan-trap samples from farms in England and been identified morphologically to 33 species. Each sample data set was mapped against the 48 reference mitogenomes.The morphological and mitogenomic data sets were highly congruent. Out of 63 total species detections in the morphological data set, the mitogenomic data set made 59 correct detections (93.7% detection rate) and detected six more species (putative false positives). Direct inspection and an analysis with species specific primers suggested that these putative false positives were most likely due to incorrect morphological IDs. Read frequency significantly predicted species biomass frequency (R2 = 24.9%). Species lists, biomass frequencies, extrapolated species richness and community structure were recovered with less error than in a metabarcoding pipeline.Mitogenomics automates the onerous task of taxonomic identification, even for cryptic species, allowing the tracking of changes in species richness and distributions. A mitogenomic pipeline should thus be able to contain costs, maintain consistently high-quality data over long time series, incorporate retrospective taxonomic revisions and provide an auditable evidence trail. Mitogenomic data sets also provide estimates of species counts within samples and thus have potential for tracking population trajectories. PMID- 27867468 TI - Demonstration and quantification of the redistribution and oxidation of carbon monoxide in the human body by tracer analysis. AB - Numerous studies have confirmed the role of endogenous carbon monoxide (CO) gas as a signal transmitter. However, CO is considered an intracellular transmitter, as no studies have demonstrated the redistribution of CO from the blood to tissue cells. Tracer analyses of 13CO2 production following 13CO gas inhalation demonstrated that CO is oxidized to carbon dioxide (CO2) in the body and that CO oxidation does not occur in the circulation. However, these results could not clearly demonstrate the redistribution of CO, because oxidation may have occurred in the airway epithelium. The objective of this study, therefore, was to definitively demonstrate and quantify the redistribution and oxidation of CO using time-course analyses of CO and 13CO2 production following 13CO-hemoglobin infusion. The subject was infused with 0.45 L of 13CO-saturated autologous blood. Exhaled gas was collected intermittently for 36 hours for measurement of minute volumes of CO/CO2 exhalation and determination of the 13CO2/12CO2 ratio. 13CO2 production significantly increased from 3 to 28 hours, peaking at 8 hours. Of the infused CO, 81% was exhaled as CO and 2.6% as 13CO2. Identical time courses of 13CO2 production following 13CO-hemoglobin infusion and 13CO inhalation refute the hypothesis that CO is oxidized in the airway epithelium and clearly demonstrate the redistribution of CO from the blood to the tissues. Quantitative analyses have revealed that 19% of CO in the circulating blood is redistributed to tissue cells, whereas 2.6% is oxidized there. Overall, these results suggest that CO functions as a systemic signal transmitter. PMID- 27867469 TI - Hyperbaric oxygen increases tissue-plasminogen activator-induced thrombolysis in vitro, and reduces ischemic brain damage and edema in rats subjected to thromboembolic brain ischemia. AB - Recent data have shown that normobaric oxygen (NBO) increases the catalytic and thrombolytic efficiency of recombinant tissue plasminogen activator (rtPA) in vitro, and is as efficient as rtPA at restoring cerebral blood flow in rats subjected to thromboembolic brain ischemia. Therefore, in the present study, we studied the effects of hyperbaric oxygen (HBO) (i) on rtPA-induced thrombolysis in vitro and (ii) in rats subjected to thromboembolic middle cerebral artery occlusion-induced brain ischemia. HBO increases rtPA-induced thrombolysis in vitro to a greater extent than NBO; in addition, HBO treatment of 5-minute duration, but not of 25-minute duration, reduces brain damage and edema in vivo. In line with the facilitating effect of NBO on cerebral blood flow, our findings suggest that 5-minute HBO could have provided neuroprotection by promoting thrombolysis. The lack of effect of HBO exposure of longer duration is discussed. PMID- 27867470 TI - Effect of sevoflurane anesthesia on the comprehensive mRNA expression profile of the mouse hippocampus. AB - Postoperative nausea and vomiting (PONV) is a common complication after general anesthesia. Recent studies suggested that the hippocampus is involved in PONV. Hypothesising that hippocampal dopaminergic neurons are related to PONV, we examined the comprehensive mRNA profile of the hippocampus, using a sevoflurane treated mouse model to confirm this. This study was conducted after approval from our institutional animal ethics committee, the Animal Research Center of Sapporo Medical University School of Medicine (project number: 12-033). Eight mice were assigned to two groups: a naive group and a sevoflurane group (Sev group). In the Sev group, four mice were anesthetised with 3.5% sevoflurane for 1 hour. Subsequently, mRNA was isolated from their hippocampal cells and RNA sequencing was performed on an Illumina HiSeq 2500 platform. Mapping of the quality controlled, filtered paired-end reads to mouse genomes and quantification of the expression levels of each gene were performed using R software. The Rtn4rl2 gene that encodes the Nogo receptor was the most up-regulated gene in the present study. The expression levels of dopamine receptor genes and the tachykinin gene were increased by sevoflurane exposure, while the genes related to serotonin receptors were not altered by sevoflurane exposure. The expression levels of LIM homeodomain-related genes were highly down-regulated by sevoflurane. These findings suggest that sevoflurane exposure induces dopaminergic stimulation of hippocampal neurons and triggers PONV, while neuronal inflammation caused by LIM homeodomain-related genes is down-regulated by sevoflurane. PMID- 27867471 TI - Commentary on: "Effect of sevoflurane anesthesia on the comprehensive mRNA expression profile of the mouse hippocampus": Postoperative nausea and vomiting conundrum: RNA-seq to the rescue. PMID- 27867472 TI - Correction: Cocktail treatment, a promising strategy to treat acute cerebral ischemic stroke? AB - [This corrects the article on p. 33 in vol. 6, PMID: 27826421.]. PMID- 27867473 TI - The role of hydrogen sulfide in stroke. AB - Stroke is a kind of acute cerebrovascular disease characterized by the focal lack of neurological function, including ischemic stroke and hemorrhagic stroke. As society ages rapidly, stroke has become the second leading cause of disability and death, and also become the main threat to human health and life. In recent years, findings from increasing animal and clinical trials have supplied scientific evidences for the treatment of stroke. Hydrogen sulfide (H2S), which has always been seen as a toxic gas, now has been thought to be the third gaseous signaling molecule following nitric oxide and carbon monoxide. Accumulating evidences indicate that H2S plays an important role in stroke. Given that its neuroprotective effect is dose-dependent, only when its concentration is relatively low, H2S can yield the neuroprotection, while high dose may lead to neurotoxicity. All these study results suggest that H2S may offer a new promising application for the therapy of stroke. Here, our review will present the role of H2S in stroke from its mechanism to animal and clinical studies. PMID- 27867475 TI - Characteristics of exogenous carbon monoxide deliveries. AB - Carbon monoxide (CO) has long been considered an environmental pollutant and a poison. Exogenous exposure to amounts of CO beyond the physiologic level of the body can result in a protective or adaptive response. However, as a gasotransmitter, endogenous CO is important for multiple physiologic functions. To date, at least seven distinct methods of delivering CO have been utilized in animal and clinical studies. In this mini-review, we summarize the exogenous CO delivery methods and compare their advantages and disadvantages. PMID- 27867474 TI - Nitric oxide and hyperoxic acute lung injury. AB - Hyperoxic acute lung injury (HALI) refers to the damage to the lungs secondary to exposure to elevated oxygen partial pressure. HALI has been a concern in clinical practice with the development of deep diving and the use of normobaric as well as hyperbaric oxygen in clinical practice. Although the pathogenesis of HALI has been extensively studied, the findings are still controversial. Nitric oxide (NO) is an intercellular messenger and has been considered as a signaling molecule involved in many physiological and pathological processes. Although the role of NO in the occurrence and development of pulmonary diseases including HALI has been extensively studied, the findings on the role of NO in HALI are conflicting. Moreover, inhalation of NO has been approved as a therapeutic strategy for several diseases. In this paper, we briefly summarize the role of NO in the pathogenesis of HALI and the therapeutic potential of inhaled NO in HALI. PMID- 27867476 TI - Hyperbaric oxygen therapy for traumatic brain injury: bench-to-bedside. AB - Traumatic brain injury (TBI) is a serious public health problem in the United States. Survivors of TBI are often left with significant cognitive, behavioral, and communicative disabilities. So far there is no effective treatment/intervention in the daily clinical practice for TBI patients. The protective effects of hyperbaric oxygen therapy (HBOT) have been proved in stroke; however, its efficiency in TBI remains controversial. In this review, we will summarize the results of HBOT in experimental and clinical TBI, elaborate the mechanisms, and bring out our current understanding and opinions for future studies. PMID- 27867478 TI - Theoretical considerations on the ultimate depth that could be reached by saturation human divers. AB - The occurrence of paroxysmal narcotic episodes including psychotic-like symptoms in divers participating to experimental deep diving programs with various gas mixtures has constituted, beyond the classical symptoms of the high-pressure neurological syndrome, the major limitation for deep diving. With the development of new saturation deep diving programs and experiments by the eastern nations, such as India and China, we believed that it is of interest to examine what could be the ultimate depth that could be reached by saturation human divers. Based on previous data and the critical volume model of inert gas narcosis, we propose that the ultimate depth for saturation diving could be around 1,000 m. PMID- 27867477 TI - Hyperbaric oxygen therapy in experimental and clinical stroke. AB - Stroke, which is defined as a neurologic deficit caused by sudden impaired blood supply, has been considered as a common cause of death and disability for decades. The World Health Organization has declared that almost every 5 seconds a new stroke occurs, placing immense socioeconomic burdens. However, the effective and available treatment strategies are still limited. Additionally, the most effective therapy, such as thrombolysis and stenting for ischemic stroke, generally requires a narrow therapeutic time window after the event. A large majority of patients cannot be admitted to hospital and receive these effective treatments for reperfusion timely. Hyperbaric oxygen therapy (HBOT) has been frequently applied and investigated in stroke since 1960s. Numerous basic and clinical studies have shown the beneficial efficacy for neurological outcome after stroke, and meanwhile many underlying mechanisms associated with neuroprotection have been illustrated, such as cerebral oxygenation promotion and metabolic improvement, blood-brain barrier protection, anti-inflammation and cerebral edema, intracranial pressure modulation, decreased oxidative-stress and apoptosis, increased vascular and neural regeneration. However, HBOT in human stroke is still not sufficiently evidence-based, due to the insufficient randomized double-blind controlled clinical studies. To date, there are no uniform criteria for the dose and session duration of HBOT in different strokes. Furthermore, the additional effect of HBOT combined with drugs and other treatment strategies are being investigated recently. Therefore, more experimental and clinical research is imperative to identify the mechanisms more clearly and to explore the best protocol of HBOT in stroke treatment. PMID- 27867479 TI - Donor pretreatment with carbon monoxide prevents ischemia/reperfusion injury following heart transplantation in rats. AB - Because inhaled carbon monoxide (CO) provides potent anti-inflammatory and antioxidant effects against ischemia reperfusion injury, we hypothesized that treatment of organ donors with inhaled CO would decrease graft injury after heart transplantation. Hearts were heterotopically transplanted into syngeneic Lewis rats after 8 hours of cold preservation in University of Wisconsin solution. Donor rats were exposed to CO at a concentration of 250 parts per million for 24 hours via a gas-exposure chamber. Severity of myocardial injury was determined by total serum creatine phosphokinase and troponin I levels at three hours after reperfusion. In addition, Affymetrix gene array analysis of mRNA transcripts was performed on the heart graft tissue prior to implantation. Recipients of grafts from CO-exposed donors had lower levels of serum troponin I and creatine phosphokinase; less upregulation of mRNA for interleukin-6, intercellular adhesion molecule-1, and tumor necrosis factor-alpha; and fewer infiltrating cells. Although donor pretreatment with CO altered the expression of 49 genes expressly represented on the array, we could not obtain meaningful data to explain the mechanisms by which CO potentiated the protective effects. Pretreatment with CO gas before organ procurement effectively protected cardiac grafts from ischemia reperfusion-induced injury in a rat heterotopic cardiac transplant model. A clinical report review indicated that CO-poisoned organ donors may be comparable to non-poisoned donors. PMID- 27867480 TI - Xenon protects left ventricular diastolic function during acute ischemia, less than ischemic preconditioning. AB - Anesthetics modify regional left ventricular (LV) dysfunction following ischemia/reperfusion but their effects on global function in this setting are less clear. Aim of this study was to test the hypothesis that xenon would limit global LV dysfunction as caused by acute anterior wall ischemia, comparable to ischemic preconditioning. In an open-chest model under thiopental anesthesia, 30 pigs underwent 60-minute left anterior descending coronary artery occlusion, followed by 120 minutes of reperfusion. A xenon group (constant inhalation from previous to ischemia through end of reperfusion) was compared to control and ischemic preconditioning. Load-independent measures of diastolic function (end diastolic pressure-volume relation, time constant of relaxation) and systolic function (end-systolic pressure-volume relation, preload-recruitable stroke work) were determined. Heart rate, arterial pressure, cardiac output, and arterial elastance were recorded. Data were compared in 26 pigs. Ischemia impaired global diastolic but not systolic function in control, which recovered during reperfusion. Xenon limited and preconditioning abolished diastolic dysfunction during ischemia. Arterial pressure decreased during reperfusion while arterial elastance increased. Tachycardia and antero-septal wall edema during reperfusion were observed in all groups. In spite of ischemia of 40% of LV mass, global systolic function was preserved. Deterioration in global diastolic function was limited by xenon and prevented by preconditioning. PMID- 27867481 TI - Temporal variation in the response of tumors to hyperoxia with breathing carbogen and oxygen. AB - The effect of hyperoxygenation with carbogen (95% O2 + 5% CO2) and 100% oxygen inhalation on partial pressure of oxygen (pO2) of radiation-induced fibrosarcoma (RIF-1) tumor was investigated. RIF-1 tumors were innoculated in C3H mice, and aggregates of oximetry probe, lithium phthalocyanine (LiPc), was implanted in each tumor. A baseline tumor pO2 was measured by electron paramagnetic resonance (EPR) oximetry for 20 minutes in anesthetized mice breathing 30% O2 and then the gas was switched to carbogen or 100 % oxygen for 60 minutes. These experiments were repeated for 10 days. RIF-1 tumors were hypoxic with a baseline tissue pO2 of 6.2-8.3 mmHg in mice breathing 30% O2. Carbogen and 100% oxygen significantly increased tumor pO2 on days 1 to 5, with a maximal increase at approximately 32 45 minutes on each day. However, the extent of increase in pO2 from the baseline declined significantly on day 5 and day 10. The results provide quantitative information on the effect of hyperoxic gas inhalation on tumor pO2 over the course of 10 days. EPR oximetry can be effectively used to repeatedly monitor tumor pO2 and test hyperoxic methods for potential clinical applications. PMID- 27867485 TI - What's new in Medical Gas Research: Highlights for 2015. PMID- 27867482 TI - Normobaric oxygen treatment in acute ischemic stroke: a clinical perspective. AB - Acute ischemic stroke is a common and serious neurological disease. Oxygen therapy has been shown to increase oxygen supply to ischemic tissues and improve outcomes after cerebral ischemia/reperfusion. Normobaric hyperoxia (NBO), an easily applicable and non-invasive method, shows protective effects on acute ischemic stroke animals and patients in pilot studies. However, many critical scientific questions are still unclear, such as the therapeutic time window of NBO, the long-term effects and the benefits of NBO in large clinic trials. In this article, we review the current literatures on NBO treatment of acute ischemic stroke in preclinical and clinical studies and try to analyze and identify the key gaps or unknowns in our understanding about NBO. Based on these analyses, we provide suggestions for future studies. PMID- 27867483 TI - Brain globins in physiology and pathology. AB - Globins are globular proteins for either transport or storage of oxygen which are critical for cellular metabolism. Four globins have been identified in rodent and human brains. Among them, neuroglobin, cytoglobin and hemoglobin chains are constitutively expressed in normal brain, while myoglobin is only expressed in some neurological disorders. Studies on the molecular structure, expression and functional features of these brain globins indicated that they may play crucial roles in maintenance of neural cell survival and activity, including neurons and astrocytes. Their regulation in neurological disorders may help thoroughly understand initiation and progression of ischemia, Alzheimer's disease and glioma, etc. Elucidation of the brain globin functions might remarkably improve medical strategies that sustain neurological homeostasis and treat neurological diseases. Here the expression pattern and functions of brain globins and their involvement in neurological disorders are reviewed. PMID- 27867484 TI - The production of high dose hydrogen gas by the AMS-H-01 for treatment of disease. AB - Hydrogen gas is a new and promising treatment option for a variety of diseases including stroke. Here, we introduce the AMS-H-01, a medically approved machine capable of safely producing ~66% hydrogen gas. Furthermore, we propose the significance of this machine in the future of hydrogen gas research. PMID- 27867486 TI - Effects of normobaric versus hyperbaric oxygen on cell injury induced by oxygen and glucose deprivation in acute brain slices. AB - Normobaric oxygen (NBO) and hyperbaric oxygen (HBO) are emerging as a possible co treatment of acute ischemic stroke. Both have been shown to reduce infarct volume, to improve neurologic outcome, to promote endogenous tissue plasminogen activator-induced thrombolysis and cerebral blood flow, and to improve tissue oxygenation through oxygen diffusion in the ischemic areas, thereby questioning the interest of HBO compared to NBO. In the present study, in order to investigate and compare the oxygen diffusion effects of NBO and HBO on acute ischemic stroke independently of their effects at the vascular level, we used acute brain slices exposed to oxygen and glucose deprivation, an ex vivo model of brain ischemia that allows investigating the acute effects of NBO (partial pressure of oxygen (pO2) = 1 atmospheres absolute (ATA) = 0.1 MPa) and HBO (pO2 = 2.5 ATA = 0.25 MPa) through tissue oxygenation on ischemia-induced cell injury as measured by the release of lactate dehydrogenase. We found that HBO, but not NBO, reduced oxygen and glucose deprivation-induced cell injury, indicating that passive tissue oxygenation (i.e. without vascular support) of the brain parenchyma requires oxygen partial pressure higher than 1 ATA. PMID- 27867487 TI - Hypoxia therapy--a new hope for the treatment of mitochondrial dysfunctions. AB - Mitochondrial dysfunctions are characteristic features of numerous diseases and play a critical role in disease pathogenesis. Despite intensive research in this area, there are no approved therapies that directly target mitochondria. Recently a study by Jain et al. from Massachusetts General Hospital, USA reported the effectiveness of hypoxia for treatment of mitochondrial disease in mice. In this commentary, we summarized the potential mechanisms underlying the therapeutic effects of hypoxia on mitochondrial dysfunction, and clinical limitations of hypoxia as a therapy for human patients. We hope that our concerns will be helpful for further clinical studies addressing moderate hypoxia in mitochondrial dysfunction. PMID- 27853502 TI - Evolution of bright colours in animals: worlds of prohibition and oblivion. AB - Because the ability to hide in plain sight provides a major selective advantage to both prey and predator species, the emergence of the striking colouration of some animal species (such as many coral reef fish) represents an evolutionary conundrum that remains unsolved to date. Here I propose a framework by which conspicuous colours can emerge when the selective pressures for camouflage are relaxed (1) because camouflage is not essential under specific prey/predator conditions or (2) due to the impossibility of reducing the signal-to-background noise in the environment. The first case is found among non-predator-species that possess effective defences against predators (hence a "Carefree World"), such as the strong macaws' beaks and the flight abilities of hummingbirds. The second case is found in diurnal mobile fish of coral reef communities, which swim in clear waters against highly contrasting and unpredictable background (hence an "Hyper-Visible World"). In those contexts the selective pressures that usually come secondary to camouflage (such as sexual, warning, species recognition or territorial display) are free to drive the evolution of brilliant and diverse colouration. This theoretical framework can also be useful for studying the conditions that allow for conspicuousness in other sensory contexts (acoustic, chemical, electrical, etc.). PMID- 27867488 TI - Successful treatment with hydrogen rich water in a case of chronic graft-versus host-disease. AB - The incidence of chronic graft-versus-host-disease is rising year by year, which has become the leading cause of non-transplantation related death and has become the most difficult complication of allogeneic hematopoietic stem cell transplantation to deal with. Inflammation and fibrosis play dominant roles in the pathogenesis of chronic graft-versus-host-disease. Studies have shown that molecular hydrogen has anti-inflammatory, antioxidant, anti-fibrosis effects. Therefore, we hypothesized that molecular hydrogen may have therapeutic effects on chronic graft-versus-host-disease. Here, we report a patient with severe chronic graft-versus-host-disease successfully treated by drinking hydrogen rich water which may be a safe and effective method for chronic graft-versus-host disease. PMID- 27853504 TI - Case Report: Microsurgical excision of grade 5 cerebral AVM. AB - In this case report, we discuss the microsurgical management of a Spetzler-Martin grade 5 arteriovenous malformation (AVM) in a young boy who presented with a hemorrhagic episode and had a high calculated risk of rebleeding. We also outline the rationale for choosing the management option. PMID- 27853503 TI - Adult attention-deficit/hyperactivity disorder: Associations between subtype and lifetime substance use - a clinical study. AB - ADHD is the one of the most prevalent childhood disorders and has been associated with impairments persisting into adulthood. Specifically, childhood ADHD is an independent clinical risk factor for the development of later substance use disorders (SUD). Moreover, adults who meet diagnostic criteria for ADHD have shown high rates of comorbid SUDs. Few studies, however, have reported on the relationship between ADHD subtypes and SUD in adult samples. The purpose of this study was to characterize a clinical sample of adults with ADHD and to identify possible associations between ADHD subtypes, lifetime substance use, and if ADHD subtypes may be preferentially associated with specific substances of abuse. We recruited 413 adult ADHD patients, performed an evaluation of their ADHD and conducted an interview on their use of psychotropic substances. Complete data was obtained for 349 patients. Lifetime substance abuse or dependence was 26% and occasional use was 57% in this sample. The inattentive subtype was significantly less likely to abuse or be dependent on cocaine than the combined subtype. Our findings underscore the high rate of comorbidity between substance use and ADHD in adults. The more frequent abuse/dependence of cocaine by adult patients with hyperactive-impulsive symptoms should be kept in mind when treating this patient group. PMID- 27853510 TI - CoNet app: inference of biological association networks using Cytoscape. AB - Here we present the Cytoscape app version of our association network inference tool CoNet. Though CoNet was developed with microbial community data from sequencing experiments in mind, it is designed to be generic and can detect associations in any data set where biological entities (such as genes, metabolites or species) have been observed repeatedly. The CoNet app supports Cytoscape 2.x and 3.x and offers a variety of network inference approaches, which can also be combined. Here we briefly describe its main features and illustrate its use on microbial count data obtained by 16S rDNA sequencing of arctic soil samples. The CoNet app is available at: http://apps.cytoscape.org/apps/conet. PMID- 27853509 TI - VISIT-TS: A multimedia tool for population studies on tic disorders. AB - Population-based assessment of Tourette syndrome (TS) and other tic disorders produces a paradox. On one hand, ideally diagnosis of tic disorders requires expert observation. In fact, diagnostic criteria for TS explicitly require expert assessment of tics for a definite diagnosis. On the other hand, large-scale population surveys with expert assessment of every subject are impracticable. True, several published studies have successfully used expert assessment to find tic prevalence in a representative population (e.g. all students in a school district). However, extending these studies to larger populations is daunting. We created a multimedia tool to demonstrate tics to a lay audience, discuss their defining and common attributes, and address features that differentiate tics from other movements and vocalizations. A first version was modified to improve clarity and to include a more diverse group in terms of age and ethnicity. The result is a tool intended for epidemiological research. It may also provide additional benefits, such as more representative minority recruitment for other TS studies and increased community awareness of TS. PMID- 27853511 TI - Molecular docking and molecular dynamics simulation study of inositol phosphorylceramide synthase - inhibitor complex in leishmaniasis: Insight into the structure based drug design. AB - Inositol phosphorylceramide synthase (IPCS) has emerged as an important, interesting and attractive target in the sphingolipid metabolism of Leishmania. IPCS catalyzes the conversion of ceramide to IPC which forms the most predominant sphingolipid in Leishmania. IPCS has no mammalian equivalent and also plays an important role in maintaining the infectivity and viability of the parasite. The present study explores the possibility of targeting IPCS; development of suitable inhibitors for the same would serve as a treatment strategy for the infectious disease leishmaniasis. Five coumarin derivatives were developed as inhibitors of IPCS protein. Molecular dynamics simulations of the complexes of IPCS with these inhibitors were performed which provided insights into the binding modes of the inhibitors. In vitro screening of the top three compounds has resulted in the identification of one of the compounds (compound 3) which shows little cytotoxic effects. This compound therefore represents a good starting point for further in vivo experimentation and could possibly serve as an important drug candidate for the treatment of leishmaniasis. PMID- 27853512 TI - Contextual Hub Analysis Tool (CHAT): A Cytoscape app for identifying contextually relevant hubs in biological networks. AB - : Highly connected nodes (hubs) in biological networks are topologically important to the structure of the network and have also been shown to be preferentially associated with a range of phenotypes of interest. The relative importance of a hub node, however, can change depending on the biological context. Here, we report a Cytoscape app, the Contextual Hub Analysis Tool (CHAT), which enables users to easily construct and visualize a network of interactions from a gene or protein list of interest, integrate contextual information, such as gene expression or mass spectrometry data, and identify hub nodes that are more highly connected to contextual nodes (e.g. genes or proteins that are differentially expressed) than expected by chance. In a case study, we use CHAT to construct a network of genes that are differentially expressed in Dengue fever, a viral infection. CHAT was used to identify and compare contextual and degree-based hubs in this network. The top 20 degree-based hubs were enriched in pathways related to the cell cycle and cancer, which is likely due to the fact that proteins involved in these processes tend to be highly connected in general. In comparison, the top 20 contextual hubs were enriched in pathways commonly observed in a viral infection including pathways related to the immune response to viral infection. This analysis shows that such contextual hubs are considerably more biologically relevant than degree-based hubs and that analyses which rely on the identification of hubs solely based on their connectivity may be biased towards nodes that are highly connected in general rather than in the specific context of interest. AVAILABILITY: CHAT is available for Cytoscape 3.0+ and can be installed via the Cytoscape App Store ( http://apps.cytoscape.org/apps/chat). PMID- 27853513 TI - South-East Asian strains of Plasmodium falciparum display higher ratio of non synonymous to synonymous polymorphisms compared to African strains. AB - Resistance to frontline anti-malarial drugs, including artemisinin, has repeatedly arisen in South-East Asia, but the reasons for this are not understood. Here we test whether evolutionary constraints on Plasmodium falciparum strains from South-East Asia differ from African strains. We find a significantly higher ratio of non-synonymous to synonymous polymorphisms in P. falciparum from South-East Asia compared to Africa, suggesting differences in the selective constraints on P. falciparum genome in these geographical regions. Furthermore, South-East Asian strains showed a higher proportion of non synonymous polymorphism at conserved positions, suggesting reduced negative selection. There was a lower rate of mixed infection by multiple genotypes in samples from South-East Asia compared to Africa. We propose that a lower mixed infection rate in South-East Asia reduces intra-host competition between the parasite clones, reducing the efficiency of natural selection. This might increase the probability of fixation of fitness-reducing mutations including drug resistant ones. PMID- 27867497 TI - Murine models of breast cancer bone metastasis. AB - Bone metastases cause significant morbidity and mortality in late-stage breast cancer patients and are currently considered incurable. Investigators rely on translational models to better understand the pathogenesis of skeletal complications of malignancy in order to identify therapeutic targets that may ultimately prevent and treat solid tumor metastasis to bone. Many experimental models of breast cancer bone metastases are in use today, each with its own caveats. In this methods review, we characterize the bone phenotype of commonly utilized human- and murine-derived breast cell lines that elicit osteoblastic and/or osteolytic destruction of bone in mice and report methods for optimizing tumor-take in murine models of bone metastasis. We then provide protocols for four of the most common xenograft and syngeneic inoculation routes for modeling breast cancer metastasis to the skeleton in mice, including the intra-cardiac, intra-arterial, orthotopic and intra-tibial methods of tumor cell injection. Recommendations for in vivo and ex vivo assessment of tumor progression and bone destruction are provided, followed by discussion of the strengths and limitations of the available tools and translational models that aid investigators in the study of breast cancer metastasis to bone. PMID- 27867498 TI - Bone muscle crosstalk targets muscle regeneration pathway regulated by core circadian transcriptional repressors DEC1 and DEC2. AB - Deletion of proprotein convertase Mbtps1 in bone osteocytes leads to a significant postnatal increase in skeletal muscle size and contractile function, while causing only a 25% increase in stiffness in long bones. Concerns about leakiness in skeletal muscle were discounted since Cre recombinase expression does not account for our findings, and, Mbtps1 protein and mRNA is not deleted. Interestingly, the response of normal skeletal muscle to exercise and the regenerative response of skeletal muscle to the deletion of Mbtps1 in bone share some key regulatory features including a preference for slow twitch muscle fibers. In addition, transcriptional regulators PPAR, PGC-1alpha, LXR, and repressors DEC1 and DEC2 all occupy central positions within these two pathways. We hypothesize that the age-dependent muscle phenotype in Dmp1-Cre Mbtps1 cKO mice is due to bone->muscle crosstalk. Many of the myogenic genes altered in this larger and functionally improved muscle are regulated by circadian core transcriptional repressors DEC1 and DEC2, and furthermore, display a temporal coordination with Dec1 and Dec2 expression consistent with a regulatory co dependency. These considerations lead us to propose that Dmp1-Cre Mbtps1 cKO osteocytes activate myogenesis by increased release of an activator of muscle PPAR-gamma, for example, PGE2 or sphingosine-1-P, or, by diminished release of an inhibitor of LXR, for example, long-chain polyunsaturated fatty acids. We hope that further investigation of these interacting pathways in the Dmp1-Cre Mbtps1 cKO model will lead to clinically translatable findings applicable to age-related sarcopenia and other muscle wasting syndromes. PMID- 27867499 TI - Lessons on skeletal cell plasticity from studying jawbone regeneration in zebrafish. AB - Three major mesenchymal cell types have important roles in determining the shapes of vertebrate animals: bone-producing osteoblasts, cartilage-producing chondrocytes, and fat-producing adipocytes. Although often considered discrete cell types, accumulating evidence is revealing mesenchymal cells of intermediate identities and interconversion of cell types. Such plasticity is particularly evident during adult skeletal repair. In this Review, we highlight recent work in zebrafish showing a role for hybrid cartilage-bone cells in large-scale regeneration of the adult jawbone, as well as their origins in the periosteum. An emerging theme is that the unique mechanical and signaling environment of the adult wound causes skeletal cell differentiation to diverge from the discrete lineages seen during development, which may aid in rapid and extensive regeneration of bone. PMID- 27867501 TI - Challenging regulations: Managing risks in crop biotechnology. PMID- 27867502 TI - Genetics-based dynamic systems model of canopy photosynthesis: the key to improve light and resource use efficiencies for crops. AB - Improving canopy photosynthetic light use efficiency instead of leaf photosynthesis holds great potential to catalyze the next "green revolution". However, leaves in a canopy experience different biochemical limitations due to the heterogeneities of microclimates and also physiological parameters. Mechanistic dynamic systems models of canopy photosynthesis are now available which can be used to design the optimal canopy architectural and physiological parameters to maximize CO 2 uptake. Rapid development of modern crop genetics research now makes it possible to link such canopy models with genetic variations of crops to develop genetics-based dynamic systems models of canopy photosynthesis. Such models can guide marker-assisted breeding or genomic selection or engineering of crops to enhance light and nitrogen use efficiencies for different regions under future climate change scenarios. PMID- 27867503 TI - The CROPROTECT project and wider opportunities to improve farm productivity through web-based knowledge exchange. AB - A key global 21st century challenge is to maximize agricultural production while minimizing use of resources such as land, water, and energy to meet rising demand for produce. To meet this challenge, while also adapting to climate change, agriculture will have to become more knowledge intensive and deploy smarter farming techniques. The intention of this study was to: (1) Highlight the opportunity for web-based knowledge exchange to increase farm productivity and thus contribute to achieving food and energy security, (2) Give some examples of online farming information services such as the "CROPROTECT" tool I am developing in the UK, the CABI "Plantwise" Knowledge Bank and the IRRI "Rice Doctor," and (3) Consider lessons learnt so far. There are huge opportunities to facilitate knowledge exchange through online systems for farmers and people who advise farmers. CROPROTECT is interacting with users to determine priorities in terms of the pests, weeds, and diseases covered and is providing key information to assist with their management. Knowledge is a critical input for farming systems. Crop protection in particular is becoming more difficult due to evolution of pest resistance and changes in legislation. Up to date information can be made rapidly available and shared online through websites and smartphone Apps. Agricultural extension no longer relies solely on physical meetings and printed documents. The capacity to share information via the Internet is tremendous with its potential to reach a wide audience in the farming community, to provide rapid updates and to interact more with the users. However, in an era of information deluge, accessing relevant information and ensuring reliability are essential considerations. There is also a need to bring science and farming communities together to turn information into relevant farming knowledge. PMID- 27867500 TI - Neurological complications in chronic kidney disease. AB - Patients with chronic kidney disease (CKD) are frequently afflicted with neurological complications. These complications can potentially affect both the central and peripheral nervous systems. Common neurological complications in CKD include stroke, cognitive dysfunction, encephalopathy, peripheral and autonomic neuropathies. These conditions have significant impact not only on patient morbidity but also on mortality risk through a variety of mechanisms. Understanding the pathophysiological mechanisms of these conditions can provide insights into effective management strategies for neurological complications. This review describes clinical management of neurological complications in CKD with reference to the contributing physiological and pathological derangements. Stroke, cognitive dysfunction and dementia share several pathological mechanisms that may contribute to vascular impairment and neurodegeneration. Cognitive dysfunction and dementia may be differentiated from encephalopathy which has similar contributing factors but presents in an acute and rapidly progressive manner and may be accompanied by tremor and asterixis. Recent evidence suggests that dietary potassium restriction may be a useful preventative measure for peripheral neuropathy. Management of painful neuropathic symptoms can be achieved by pharmacological means with careful dosing and side effect considerations for reduced renal function. Patients with autonomic neuropathy may respond to sildenafil for impotence. Neurological complications often become clinically apparent at end-stage disease, however early detection and management of these conditions in mild CKD may reduce their impact at later stages. PMID- 27867505 TI - Personalised medicine and medicines optimisation. PMID- 27867504 TI - Short rotation plantations policy history in Europe: lessons from the past and recommendations for the future. AB - Short rotation plantations (SRPs) are fast-growing trees (such as willow (Salix spp.), poplar (Populus spp.) and Eucalyptus) grown closely together and harvested in periods of 2-20 years. There are around 50,000 hectares of SRPs in Europe, a relatively small area considering that there have been supportive policy measures in many countries for 30 years. This paper looks at the effect that the policy measures used in different EU countries have had, and how other external factors have impacted on the development of the industry. Rokwood was a 3-year European funded project which attempted to understand the obstacles and barriers facing the woody energy crops sector using well established methods of SWOT and PESTLE analysis. Stakeholder groups were formed in six different European regions to analyze the market drivers and barriers for SRP and propose ways that the industry could make progress through targeted research and development and an improved policy framework. Based upon the outcomes of the SWOT and PESTLE analysis, each region produced a series of recommendations for policymakers, public authorities, and government agencies to support the development, production, and use of SRP-derived wood fuel in each of the partner countries. This study provides details of the SRP policy analysis and reveals that each region shared a number of similarities with broad themes emerging. There is a need to educate farmers and policymakers about the multifunctional benefits of SRPs. Greater financial support from regional and/or national government is required in order to grow the SRP market. Introducing targeted subsidies as an incentive for growers could address lack of local supply chains. Long-term policy initiatives should be developed while increasing clarity within Government departments. Research funding should enable closer working between universities and industry with positive research findings developed into supportive policy measures. PMID- 27867506 TI - Independent validation of the Pain Management Plan in a multi-disciplinary pain team setting. AB - CONTEXT/BACKGROUND: The Pain Management Plan (PP) is a brief cognitive behavioural therapy (CBT) self-management programme for people living with persistent pain that can be individually facilitated or provided in a group setting. Evidence of PP efficacy has been reported previously by the pain centres involved in its development. OBJECTIVES: To provide a fully independent evaluation of the PP and compare these with the findings reported by Cole et al. METHODS: The PP programme was delivered by the County Durham Pain Team (Co. Durham PT) as outlined in training sessions led by Cole et al. Pre- and post quantitative/patient experience measures were repeated with reliable and clinical significant change determined and compared to the original evaluation. RESULTS: Of the 69 participants who completed the programme, 33% achieved reliable change and 20% clinical significant change using the Pain Self-Efficacy Questionnaire (PSEQ). Across the Brief Pain Inventory (BPI) interference domains between 11% and 22% of participants achieved clinical significant change. There were high levels of positive patient feedback with 25% of participants scoring 100% satisfaction. The mean participant satisfaction across the population was 88%. CONCLUSION: The results from this evaluation validate those reported by Cole et al. It demonstrates clinically significant improvement in pain and health functioning and high patient appreciation results. Both evaluations emphasise the potential of this programme as an early intervention delivered within a stratified care pain pathway. This approach could optimise the use of finite resources and improve wider access to pain management. PMID- 27867507 TI - Creating a better picture of chronic pain: improving pain pictogram designs through systematic evaluation of user responses. AB - This article discusses the challenges of visually representing pain qualities in pictogram design. An existing set of 12 pictograms designed for people with literacy problems was evaluated to understand more about misunderstandings of pictogram interpretation. Two sets of university students from different disciplines were asked to interpret the pictograms, and a novel classification system was developed to categorise answer types, as 'location', 'affective', temporal' or 'literal'. Several design recommendations are made as a result that will help improve the design of pain pictograms as a whole as well as guide designers of related pictogram work. We demonstrate how, through the robust classification of incorrect responses, it is possible to extract useful comprehension error patterns to inform future design. PMID- 27867508 TI - A feasibility study to determine the benefits of upper extremity virtual rehabilitation therapy for coping with chronic pain post-cancer surgery. AB - BACKGROUND: Persistent pain in shoulder and arm following post-surgical breast cancer treatment can lead to cognitive and physical deficits. Depression is also common in breast cancer survivors. Virtual reality therapy with integrative cognitive and physical rehabilitation has not been clinically trialed for this population. The novel BrightArm Duo technology improved cognition and upper extremity (UE) function for other diagnoses and has great potential to benefit individuals coping with post-surgical breast cancer pain. OBJECTIVES: The aim of this study was to explore the feasibility of BrightArm Duo therapy for coping with post-surgical chronic pain and associated disability in breast cancer survivors with depression. METHODS: BrightArm Duo is a robotic rehabilitation table modulating gravity loading on supported forearms. It tracks arm position and grasping strength while patients play three-dimensional (3D) custom integrative rehabilitation games. Community-dwelling women (N = 6) with post surgical breast cancer pain in the upper arm trained on the system twice a week for 8 weeks. Training difficulty increased progressively in game complexity, table tilt and session length (20-50 minutes). Standardized assessments were performed before and after therapy for pain, cognition, emotion, UE function and activities of daily living. RESULTS: Subjects averaged upwards of 1300 arm repetitions and 850 hand grasps per session. Pain intensity showed a 20% downward trend (p = 0.1) that was corroborated by therapist observations and participant feedback. A total of 10 out of 11 cognitive metrics improved post-training (p = 0.01) with a significant 8.3-point reduction in depression severity (p = 0.04). A total of 17 of 18 range of motion metrics increased (p < 0.01), with five affected-side shoulder improvements above the Minimal Clinically Important Difference (8 degrees ). In all, 13 out of 15 strength and function metrics improved (p = 0.02) with lateral deltoid strength increasing 7.4 N on the affected side (p = 0.05). CONCLUSION: This pilot study demonstrated feasibility of using the BrightArm Duo Rehabilitation System to treat cancer survivors coping with upper body chronic pain. Outcomes indicate improvement in cognition, shoulder range, strength, function and depression. PMID- 27867509 TI - Comparison of fentanyl iontophoretic transdermal system and routine care with morphine intravenous patient-controlled analgesia in the management of early postoperative mobilisation: results from a randomised study. AB - INTRODUCTION: Fentanyl iontophoretic transdermal system (ITS) (IONSYS(r), The Medicines Company, Parsippany, NJ, USA) and morphine intravenous (IV) patient controlled analgesia (PCA) have demonstrated equivalent pain control in several published studies. The primary objective of the current study was to compare fentanyl ITS with morphine IV PCA with regard to the patient's ability to mobilise with acute postoperative pain. METHODS: In this multicentre, open-label, randomised, active-controlled, prospective phase IV study, postoperative patients initially received IV morphine and were titrated to pain score ? 4out of 10 on a Numeric Rating Scale (NRS) and then received fentanyl ITS (up to 240 ug (6 doses)/hour; up to a maximum of 3.2 mg (80 doses)/24 hours) or morphine IV PCA (doses up to 20 mg morphine/2 hours, up to 240 mg/24 hours). The primary efficacy measure was ability to mobilise, assessed using patient responses to three validated questions regarding mobility on a 6-point Likert scale (0 = no difficulty to mobilise to 5 = a very great deal of difficulty to mobilise). The study was originally planned to include ~200 patients. However, following the early suspension and termination of the study, a total of 108 patients were randomised to study treatment. RESULTS: One hundred and eight patients were recruited prior to undergoing surgical procedures (orthopaedic surgical procedures (72%) or underwent major abdominal procedures (28%)). Postoperatively, 58 were randomised to receive fentanyl ITS, and 50 to morphine IV PCA. Fentanyl ITS patients had a greater ability to mobilise at the time of stopping study drug, with an adjusted mean ability to mobilise score (95% confidence interval (CI)) of 0.14 (-0.19, 0.47) for fentanyl ITS patients and 2.37 (1.98, 2.76) for morphine IV PCA patients (p < 0.001). CONCLUSION: Patients treated with fentanyl ITS reported that they were better able to mobilise than patients treated with morphine IV PCA, at all time-points following surgery out to 24 hours. PMID- 27867511 TI - Is tapentadol different from classical opioids? A review of the evidence. AB - Tapentadol is a single molecule able to deliver analgesia by two distinct mechanisms, a feature which differentiates it from many other analgesics. Pre clinical data demonstrate two mechanisms of action: mu-opioid receptor agonist activity and noradrenaline re-uptake inhibition. From these, one may predict that tapentadol would be applicable across a broad spectrum of pain from nociceptive to neuropathic. The evidence in animal models suggests that norepinephrine re uptake inhibition (NRI) is a key mechanism and may even predominate over opioid actions in chronic (and especially neuropathic) pain states, reinforcing that tapentadol is different to classical opioids and may, therefore, be an a priori choice for the treatment of neuropathic and mixed pain. The clinical studies and subsequent practice experience and surveillance support the concept of opioid and non-opioid mechanisms of action. The reduced incidence of some of the typical opioid-induced side effects, compared to equianalgesic doses of classical opioids, supports the hypothesis that tapentadol analgesia is only partially mediated by opioid agonist mechanisms. Both the pre-clinical and clinical profiles appear to be differentiated from those of classical opioids. PMID- 27867510 TI - Effect of adding intrathecal morphine to a multimodal analgesic regimen for postoperative pain management after laparoscopic bariatric surgery: a prospective, double-blind, randomized controlled trial. AB - BACKGROUND: Pain control after bariatric surgery is a major challenge. Our objective was to study the efficacy and safety of intrathecal (IT) morphine 0.3 mg added to bupivacaine 0.5% for postoperative pain after laparoscopic bariatric surgery. METHODS: After local ethics committee approval, 100 morbidly obese patients scheduled for laparoscopic bariatric surgery were enrolled in this study. Patients were randomly assigned into two groups: Group I received IT 0.3 mg morphine (0.3 mL) added to 1.2 mL of bupivacaine 0.5%; Group II received IT 0.3 mL saline added to 1.2 mL of bupivacaine 0.5%, immediately before induction of general anaesthesia. For both groups, 60 mg ketorolac and 1000 mg paracetamol were infused 30 minutes before the end of surgery. After wound closure, 20 mL bupivacaine 0.25% was infiltrated at wound edges. RESULTS: Visual Analogue Scale (VAS) score was significantly lower in group I immediately, 30 minutes and 1 hour postoperatively. Time to first ambulation, return of intestinal sounds and hospital stay were shorter in group I than group II (p < 0.05); total morphine consumption was significantly lower in group I than group II (p < 0.05). Sedation score was significantly higher in group I immediately postoperatively, while at 30 minutes, 1, 2 and 6 hours postoperatively sedation scores were significantly higher in group II. Itching was significantly higher in group I. CONCLUSION: The addition of IT morphine to a multimodal analgesic regimen after laparoscopic bariatric surgery was an effective and safe method that markedly reduced postoperative pain, systemic opioid consumption and length of hospital stay. PMID- 27867512 TI - A service improvement project to review prescribing information provided by general practitioners for new referrals to a UK National Health Service hospital pain clinic: potential implications of CYP2D6 enzyme inhibition. AB - INTRODUCTION: Chronic pain is often managed using co-prescription of analgesics and adjuvants, with concomitant medication prescribed for comorbidities. Patients may have suboptimal response to some analgesics or be at risk of drug interactions or adverse drug reactions (ADRs) due to polypharmacy affecting CYP2D6 enzyme activity. The aim of the service improvement project was to determine the proportion of patients referred to a specialist pain service in the UK National Health Service (NHS) by general practitioners (GPs) who may be at risk of suboptimal analgesic response or ADRs due to CYP2D6 inhibition through polypharmacy. This was achieved by reviewing clinical prescribing information provided by GPs at time of referral. It was hoped that the findings could be used to aid clinical and prescribing decisions without conducting CYP2D6 genotyping or phenotyping. METHODS: A review of letters from 250 patients referred to an NHS hospital pain service from GPs over a 3-month period was undertaken. Information about current and concomitant medications was analysed to identify the potential for CYP2D6 inhibition and adverse events. RESULTS: Letters failed to provide information about current pain medication for 20 (8%) patients or non-pain concomitant medication for 54 (21.6%) patients. Of 176 patients, 52 (29.5%) patients with information about non-pain concomitant medication had been prescribed at least one known CYP2D6 inhibitor. A total of 35 (19.9%) patients were identified as being at risk of an adverse drug reaction and 33 (18.75%) patients at risk of suboptimal analgesic response due to co-administration of CYP2D6 inhibitors. CONCLUSION: The review revealed the need for improved detail in GP referral letters used to transfer care to UK NHS hospital pain clinics. There is a need to consider an individual's CYP2D6 phenotype when prescribing analgesic prodrugs to manage persistent pain. Caution is needed when patients are co-prescribed codeine or tramadol with selective serotonin reuptake inhibitors (SSRIs). PMID- 27867513 TI - Ultrasound-guided alcohol neurolysis of lateral femoral cutaneous nerve for intractable meralgia paresthetica: a case series. AB - Meralgia paresthetica is a rare sensory entrapment neuropathy which leads to burning, tingling and numbness in the antero-lateral aspect of thigh. Mostly it runs a benign course, and responds to conservative measures. We present a case series of six patients with intractable meralgia paresthetica with severe pain over antero-lateral thigh along the distribution of lateral cutaneous nerve of thigh which was further confirmed by nerve conduction study. These patients did not respond to the oral anti-neuropathic medications. The two successive diagnostic lateral femoral cutaneous nerve block not only had confirmed the diagnosis but also provided pain relief for a few days. Then the ultrasound guided lateral femoral cutaneous nerve neurolysis was done using 50% alcohol. In all the patients, there were more than 50% decrease in pain intensity and improvement in quality of life after the procedure, and the relief and improvement were maintained for up to 12 weeks. This case series shows ultrasound guided lateral femoral cutaneous nerve neurolysis is a safe and effective treatment for intractable meralgia paresthetica and also provides prolonged pain relief and is a good option in avoiding the surgery. Summary points The literature on neurolysis is rare, with only few case reports. This is the first case series on this topic, and it will greatly improve the evidence that ultrasound-guided neurolysis can also be used for intractable meralgia paresthetica patients who do not respond to conservative measures before proceeding to surgery. PMID- 27867514 TI - Hepatitis C virus drives the pathogenesis of hepatocellular carcinoma: from immune evasion to carcinogenesis. AB - Persistent hepatitis C virus (HCV) infection is associated with high incidence of hepatocellular carcinoma (HCC), the most common primary malignancy of the liver with over half a million new cases diagnosed annually worldwide. The aryl hydrocarbon receptor (AhR) is a ubiquitously expressed transcription factor and its activation by environmental chemicals and by its endogenous ligand kynurenine (Kyn) has been implicated in a variety of tumour-promoting processes such as transformation, tumorigenesis and in immunosuppression that enables tumour survival and growth. Kyn is generated constitutively by human tumour cells via tryptophan (Trp)-2,3-dioxygenase (TDO), a Trp-degrading enzyme expressed in liver, brain and cancer cells. Notably, it has been shown that TDO-derived Kyn suppresses anti-tumour immune responses, thus promoting tumour-cell survival through activation of the AhR pathway. In the context of HCV infection-associated HCC, it was shown that AhR signalling is increased in HCV-infected hepatocytes, and that modifications in the expression of AhR pathway-specific genes are associated with the progression of HCV infection into HCC. Based on these observations, we present and discuss here the hypothesis that HCV infection promotes HCC by modulation of the TDO-Kyn-AhR pathway, resulting in tumorigenesis as well as in suppression of both anti-HCV and anti-tumour immune responses. PMID- 27867516 TI - Autoantibodies against CD80 in patients with COPD. AB - Chronic obstructive pulmonary disease (COPD) is an inflammation disorder and possibly an autoimmune disease. The components of the autoimmune response in the circulatory system are of considerable interest to clinicians. Because aberrations of costimulation status have been noted in COPD, the presence of autoantibodies to B7 costimulatory factor CD80 were investigated in a cohort of patients. Recombinant rs1CD80 (lacking the transmembrane domain of CD80) was used for Western blot analysis and ELISA to investigate the presence of autoantibodies in sera of patients with stable COPD and in controls without COPD. Cytokines IL-6 and IL-8 were detected using ELISA. Western blot revealed a specific band reacting to rs1CD80 by diluting sera pool of patients, which indicated the existence of autoantibodies to CD80. The serum level of anti-rs1CD80 was higher in patients with COPD than in controls(P=0.0185) and was positively correlated to the serum level of IL-6 (r=0.797, P<0.001) and IL-8 (r=0.608, P<0.001). There was a tendency that more higher level of anti-rs1CD80, more severe COPD stage. The existence of autoantibodies to costimulatory factor CD80 may suggest a pathogenic role of costimulatory factors in COPD. PMID- 27867515 TI - The CD8 T-cell response during tolerance induction in liver transplantation. AB - Both experimental and clinical studies have shown that the liver possesses unique tolerogenic properties. Liver allografts can be spontaneously accepted across complete major histocompatibility mismatch in some animal models. In addition, some liver transplant patients can be successfully withdrawn from immunosuppressive medications, developing 'operational tolerance'. Multiple mechanisms have been shown to be involved in inducing and maintaining alloimmune tolerance associated with liver transplantation. Here, we focus on CD8 T-cell tolerance in this setting. We first discuss how alloreactive cytotoxic T-cell responses are generated against allografts, before reviewing how the liver parenchyma, donor passenger leucocytes and the host immune system function together to attenuate alloreactive CD8 T-cell responses to promote the long-term survival of liver transplants. PMID- 27867518 TI - Analyzing heterogeneity in the effects of physical activity in children on social network structure and peer selection dynamics. AB - BACKGROUND: Social networks influence children and adolescents' physical activity. The focus of this paper is to examine the differences in the effects of physical activity on friendship selection, with eye to the implications on physical activity interventions for young children. Network interventions to increase physical activity are warranted but have not been conducted. Prior to implementing a network intervention in the field, it is important to understand potential heterogeneities in the effects that activity level have on network structure. In this study, the associations between activity level and cross sectional network structure, and activity level and change in network structure are assessed. METHODS: We studied a real-world friendship network among 81 children (average age 7.96 years) who lived in low SES neighborhoods, attended public schools, and attended one of two structured aftercare programs, of which one has existed and the other was new. We used the exponential random graph model (ERGMs) and its longitudinal extension to evaluate the association between activity level and various demographic factors in having, forming, and dissolving friendship. Due to heterogeneity between the friendship networks within the aftercare programs, separate analyses were conducted for each network. RESULTS: There was heterogeneity in the effect of physical activity on both cross sectional network structure and the formation and dissolution processes, both across time and between networks. CONCLUSIONS: Network analysis could be used to assess the unique structure and dynamics of a social network before an intervention is implemented, so as to optimize the effects of the network intervention for increasing childhood physical activity. Additionally, if peer selection processes are changing within a network, a static network intervention strategy for childhood physical activity could become inefficient as the network evolves. PMID- 27867520 TI - Consent information leaflets - readable or unreadable? AB - OBJECTIVE: The objective of this article is to assess the readability of leaflets about urological procedures provided by the British Association of Urological Surgeons (BAUS) to evaluate their suitability for providing information. METHODS: Information leaflets were assessed using three measures of readability: Flesch Reading Ease, Flesch-Kincaid and Simple Measure of Gobbledygook (SMOG) grade formulae. The scores were compared with national literacy statistics. RESULTS: Relatively good readability was demonstrated using the Flesch Reading Ease (53.4 60.1) and Flesch-Kincaid Grade Level (6.5-7.6) methods. However, the average SMOG index (14.0-15.0) for each category suggests that the majority of the leaflets are written above the reading level of an 18-year-old. Using national literacy statistics, at least 43% of the population will have significant difficultly understanding the majority of these leaflets. CONCLUSIONS: The results suggest that comprehension of the leaflets provided by the BAUS is likely to be poor. These leaflets may be used as an adjunct to discussion but it is essential to ensure that all the information necessary to make an informed decision has been conveyed in a way that can be understood by the patient. PMID- 27867519 TI - Force-plate analyses of balance following a balance exercise program during acute post-operative phase in individuals with total hip and knee arthroplasty: A randomized clinical trial. AB - OBJECTIVES: Typical rehabilitation programs following total hip arthroplasty and total knee arthroplasty include joint range of motion and muscle-strengthening exercises. Balance and balance exercises following total hip arthroplasty and total knee arthroplasty have not received much attention. The purpose of this study was to determine whether an intervention of balance exercises added to a typical rehabilitation program positively affects patients' balance. METHODS: A total of 63 patients were provided with outpatient physical therapy at their home. Patients were randomly assigned to either typical (n = 33) or balance (n = 30) exercise group. The typical group completed seven typical surgery-specific joint range of motion and muscle-strengthening exercises, while the balance group completed the typical exercises plus three balance exercises. After 5 weeks of administering the rehabilitation program, patients' balance was assessed on a force plate using 95% ellipse area of the center of pressure amplitude. RESULTS: Patients in the balance group demonstrated significant reduction in the 95% ellipse area for the anterior and posterior lean standing conditions (p < 0.01). CONCLUSION: Balance exercises added to the typical outpatient physical therapy program resulted in significantly greater improvements in balance for participants with total hip arthroplasty or total knee arthroplasty, compared to the typical exercise program alone. Physical therapists might consider the use of balance exercises to improve balance in individuals in the acute post-operative phase following total hip arthroplasty or total knee arthroplasty. PMID- 27867517 TI - Protective immunity to liver-stage malaria. AB - Despite decades of research and recent clinical trials, an efficacious long lasting preventative vaccine for malaria remains elusive. This parasite infects mammals via mosquito bites, progressing through several stages including the relatively short asymptomatic liver stage followed by the more persistent cyclic blood stage, the latter of which is responsible for all disease symptoms. As the liver acts as a bottleneck to blood-stage infection, it represents a potential site for parasite and disease control. In this review, we discuss immunity to liver-stage malaria. It is hoped that the knowledge gained from animal models of malaria immunity will translate into a more powerful and effective vaccine to reduce this global health problem. PMID- 27867521 TI - Exome-first approach identified a novel gloss deletion associated with Lowe syndrome. AB - Lowe syndrome (LS) is an X-linked disorder affecting the eyes, nervous system and kidneys, typically caused by missense or nonsense/frameshift OCRL mutations. We report a 6-month-old male clinically suspected to have LS, but without the Fanconi-type renal dysfunction. Using a targeted-exome sequencing-first approach, LS was diagnosed by the identification of a deletion involving 1.7 Mb at Xq25 q26.1, encompassing the entire OCRL gene and neighboring loci. PMID- 27867522 TI - Study protocol - A systematic review and meta-analysis of hypothermia in experimental traumatic brain injury: Why have promising animal studies not been replicated in pragmatic clinical trials? AB - Traumatic brain injury (TBI) is a major cause of death and permanent disability. Systemic hypothermia, a treatment used in TBI for many decades, has recently been found to be associated with neutral or unfavourable clinical outcomes despite apparently promising preclinical research. Systematic review and meta-analysis is a tool to summarize literature and observe trends in experimental design and quality that underpin its general conclusions. Here we aim to use these techniques to describe the use of hypothermia in animal TBI models, collating data relating to outcome and both study design and quality. From here we intend to observe correlations between features and attempt to explain any discrepancies found between animal and clinical data. This protocol describes the relevant methodology in detail. PMID- 27867524 TI - Varying effects of recommended treatments for heart failure with reduced ejection fraction: meta-analysis of randomized controlled trials in the ESC and ACCF/AHA guidelines. AB - The aim of this paper is to evaluate the treatment effects of recommended drugs and devices on key clinical outcomes for patients with heart failure with reduced ejection fraction (HFREF). Randomized controlled trials (RCTs) listed in the 2012 HF guideline from the European Society of Cardiology as well as the 2013 HF guideline from the American College of Cardiology Foundation and American Heart Association were evaluated for use in the meta-analysis. RCTs written in English evaluating recommended drugs and devices for the treatment of patients with HFREF were included. Meta-analyses, based on the outcomes of all-cause mortality and hospitalization because of HF, were performed with relative risk ratio as the effect size. In the identified 47 RCTs, patients were on average 63 years old and 22% were female. Drugs targeting the renin-angiotensin-aldosterone system, beta blockers, cardiac resynchronization therapy (CRT), and intracardiac defibrillator devices (ICDs) significantly reduced the risk of death with reductions of 14-19, 23, 20, and 20%, respectively. Drugs targeting the renin-angiotensin-aldosterone system, beta-blockers, digoxin, and CRT significantly reduced the risk of HF hospitalization with reductions of 24-37, 22, 60, and 36%, respectively, while ICDs significantly increased the risk with 34%. Ivabradine showed no significant effects on either outcome. As such, the majority of recommended HFREF treatments offered significant treatment benefits. However, many of the included studies were from the 1990s or earlier, and one must therefore be cautious when extrapolating these results to contemporary patients with HF. PMID- 27867523 TI - Obesity paradox in heart failure: a heavy matter. AB - Obesity and heart failure are two of the leading causes of morbidity and mortality in the world. The relationship between obesity and cardiovascular diseases is complex and not fully understood. While the risk of developing heart failure has been shown to be higher in patients who are obese, there is a survival advantage for obese and overweight patients compared with normal weight or low weight patients. This phenomenon was first described by Horwich et al. and was subsequently confirmed in other large trials. The advantage exists irrespective of the type, aetiology, or stage of heart failure. Patients with morbid obesity (body mass index >40 kg/m2), however, do not have the same survival advantage of their obese counterparts. There are several alternative indices of obesity available that may be more accurate than body mass index. The role of weight loss in patients with heart failure is unclear; thus, providing sound clinical advice to patients remains difficult. Future prospective trials designed to evaluate the link between obesity and heart failure will help us understand more fully this complex relationship. PMID- 27867525 TI - Barriers to goals of care discussions with hospitalized patients with advanced heart failure: feasibility and performance of a novel questionnaire. AB - AIMS: Good end-of-life communication and decision-making are important to patients with advanced heart failure (HF) and their families, but their needs remain unmet. In this pilot study, we describe the feasibility and performance of a novel questionnaire aimed at identifying barriers and solutions to improve communication and decision-making about goals of care for hospitalized patients with advanced HF. METHODS: We distributed questionnaires to staff cardiologists, cardiology trainees, and cardiology nurses who provide care for HF patients at a Canadian teaching hospital. The questionnaire asked about the importance of various barriers to goals of care discussions. It also asked participants to rank their willingness to engage in goals of care discussions and their views on other clinicians could engage in such discussions. RESULTS: Of 76 clinicians, 44 (58%) completed the questionnaire (median completion time, 17 min). Individual survey questions had few missing responses (0% to 2%) for questions about barriers to goals of care discussions. There was appreciable discrimination of the importance of different barriers (mean scores 2.2 to 6.0 on a 7-point scale). Preliminary data suggest that clinicians perceive patient and family factors, such as difficulty accepting a poor prognosis, as the most important barriers preventing goals of care discussions. CONCLUSIONS: In this pilot study, we have demonstrated the feasibility of a novel questionnaire to be used in a larger multi-centre study of end-of-life HF care. Essential information will be obtained to inform the design and evaluation of interventions that seek to improve communication and decision-making about goals of care with HF patients. PMID- 27867526 TI - Characteristics of patients with haematological and breast cancer (1996-2009) who died of heart failure-related causes after cancer therapy. AB - AIMS: To describe the characteristics and time to death of patients with breast or haematological cancer who died of heart failure (HF) after cancer therapy. Patients with an index admission for HF who died of HF-related causes (IAHF) and those with no index admission for HF who died of HF-related causes (NIAHF) were compared. METHODS AND RESULTS: We performed a linked data analysis of cancer registry, death registry, and hospital administration records (n = 15 987). Index HF admission must have occurred after cancer diagnosis. Of the 4894 patients who were deceased (30.6% of cohort), 734 died of HF-related causes (50.1% female) of which 279 (38.0%) had at least one IAHF (41.9% female) post-cancer diagnosis. Median age was 71 years [interquartile range (IQR) 62-78] for IAHF and 66 years (IQR 56-74) for NIAHF. There were fewer chemotherapy separations for IAHF patients (median = 4, IQR 2-9) compared with NIAHF patients (median = 6, IQR 2 12). Of the IAHF patients, 71% had died within 1 year of the index HF admission. There was no significant difference in HF-related mortality in IAHF patients compared with NIAHF (HR, 1.10, 95% CI, 0.94-1.29, P = 0.225). CONCLUSIONS: The profile of IAHF patients who died of HF-related causes after cancer treatment matched the current profile of HF in the general population (over half were aged >=70 years). However, NIAHF were younger (62% were aged <=69 years), female patients with breast cancer that died of HF-related causes before hospital admission for HF-related causes-a group that may have been undiagnosed or undertreated until death. PMID- 27867528 TI - Age- and sex-related differences in diastolic function and cardiac dimensions in a hypertensive population. AB - AIMS: The prevalence of left ventricular diastolic dysfunction increases with age, particularly in hypertensive women. We aimed to determine the age- and sex related differences in diastolic function, and its relation to alterations of cardiac dimensions in a hypertensive population. METHODS AND RESULTS: We enrolled 479 hypertensive patients with a left ventricular ejection fraction (LVEF) >=50% (men/women, 267/212) and their echocardiographic parameters regarding LV performance and vascular function were measured. Left atrial volume index (LAVI) and operant diastolic elastance (EdI: E/e'/stroke volume index), but not LV mass index (LVMI), correlated weakly with age in both sexes. The arterial elastance index (EaI) and EdI did not differ significantly between sexes in any of the three age groups (A, <65 years; B, >=65 years but <75 years; C, age >=75 years). The EdI indexed to EaI, EdI/EaI = E/e'/(0.9 * systolic blood pressure), was significantly more impaired in women than in men only in group C. There were significant differences in LAVI, LVMI, and EdI/EaI between groups B and C only in women. CONCLUSIONS: Impairment of diastolic function relative to arterial elasticity, EdI/EaI, occurred in elderly hypertensive women and was coincident with the alteration of cardiac dimensions. The coincidence with the changes in diastolic function and the alterations of cardiac dimensions occurred in a different time point between the sexes. PMID- 27867529 TI - Coexistence of apical hypertrophic cardiomyopathy and endomyocardial fibrosis with calcification: diagnosis using multimodality imaging. AB - A 48-year-old man from West Africa was evaluated for dyspnea. Echocardiography showed an echolucent mass at the left ventricular apex surrounded by a dense ridge of tissue, suggesting endomyocardial fibrosis (EMF). Doppler echocardiography showed restrictive hemodynamics and intramyocardial coronary blood flow at the hypertrophied apex, suggesting apical hypertrophic cardiomyopathy (ApHCM) with calcified thrombus. Cardiac magnetic resonance imaging showed a thickened myocardium with apical cavity obliteration and endomyocardial calcification, and gadolinium contrast demonstrated marked bright subendocardial and diffuse patchy intramyocardial hyperenhancement in the hypertrophied apical wall segment, confirming coexistence of EMF and ApHCM. Workup for known disorders of calcification was negative. PMID- 27867527 TI - The CHA2DS2-VASc score as a predictor of high mortality in hospitalized heart failure patients. AB - AIMS: Atrial fibrillation (AF) is common in patients with heart failure (HF). CHA2DS2-VASc score was originally employed as a risk assessment tool for stroke in patients with AF; however, it has recently been used to predict not only stroke but also various cardiovascular diseases beyond the original AF field. We aimed to verify the CHA2DS2-VASc score as a risk assessment tool to predict mortality in patients with HF. METHODS AND RESULTS: Consecutive 1011 patients admitted for treatment of HF were divided into three groups based on their CHA2DS2-VASc scores: score 1-3 group (n = 317), score 4-6 group (n = 549) and score 7-9 group (n = 145). Of the 1011 HF patients, 387 (38.3%) had AF. We compared patient characteristics among the three groups and prospectively followed for all-cause mortality. Although left ventricular ejection fraction was similar among all three groups, all-cause mortality was higher in the score 4-6 group and score 7-9 group than in the score 1-3 group (37.9 and 29.3% vs. 15.1%, log-rank P < 0.001). In the multivariable Cox proportional hazard analysis, the CHA2DS2-VASc score 7-9 was an independent predictor of all-cause mortality (all HF patients: hazard ratio (HR) 1.822, P = 0.011; HF patients with AF: HR 1.951, P = 0.031; HF patients without AF: HR 2.215, P = 0.033). CONCLUSIONS: The CHA2DS2 VASc score was an independent predictor of all-cause mortality in HF patients with or without AF. This comprehensive risk assessment score may help identify HF patients who are at high risk for mortality in HF patient. PMID- 27867530 TI - Continuous renal replacement therapy for haemodynamic collapse and rhabdomyolysis induced by pheochromocytoma crisis. AB - Pheochromocytoma associated with pregnancy is not common. Caesarean section may induce pheochromocytoma crisis, resulting in a lethal condition. The clinical picture of pheochromocytoma crisis is extremely variable. In this report, we describe a case of severe pheochromocytoma crisis induced by caesarean section presenting with hyperpyrexia, haemodynamic collapse, muscle weakness, heart failure, and acute kidney injury. Furthermore, we report that the muscle weakness was a manifestation of rhabdomyolysis, resulting from the pheochromocytoma crisis. Standard medical therapy failed to halt the patient's rapidly deteriorating condition. Continuous renal replacement therapy removed catecholamines from the circulation, resulting in improvement of haemodynamics and abrogation of rhabdomyolysis. PMID- 27867531 TI - Steroid pulse therapy was effective for cardiac sarcoidosis with ventricular tachycardia and systolic dysfunction. AB - A 32-year-old man presented with palpitation. He was diagnosed with pulmonary sarcoidosis by lung biopsy. The electrocardiogram showed first-degree atrioventricular block and complete right bundle branch block (CRBBB). We planned to examine laboratory data, echocardiography, Holter monitoring, and gallium-67 scintigraphy. Before he went through all these exams, he developed ventricular tachycardia. After defibrillation was performed, his electrocardiogram revealed complete atrioventricular block. We observed elevation of serum angiotensin converting enzyme levels. In addition, both of gallium-67 scintigraphy and 18F fluorodeoxyglucose positron emission tomography showed abnormal uptake in the ventricular septum. We diagnosed the patient with cardiac sarcoidosis associated with these arrhythmias. We started treatment with methylprednisolone pulse therapy (1 g daily). After 3 days of steroid pulse therapy, we administered prednisolone 30 mg daily. On day 15, electrocardiogram changed from complete atrioventricular block to first-degree atrioventricular block and CRBBB. He was discharged with no progression with cardiac sarcoidosis for 2 years. PMID- 27867532 TI - Left ventricular ejection fraction recovery in patients with heart failure treated with intravenous iron: a pilot study. AB - AIMS: In patients with heart failure with reduced ejection fraction (HFrEF) and iron deficiency, treatment with intravenous iron has shown a clinical improvement regardless of anaemic status. Cardiac magnetic resonance (CMR) T2* sequence has shown a potential utility for evaluating myocardial iron deficiency. We aimed to evaluate whether T2* sequence significantly changes after ferric carboximaltose (FCM) administration, and if such changes correlate with changes in left ventricle ejection fraction (LVEF). METHODS AND RESULTS: In this pilot study, we included eight patients with chronic symptomatic (New York Heart Association II III) HFrEF and iron deficiency. A CMR, including T2* analysis, was performed before and at a median of 43 days (interquartile range = 35-48) after intravenous FCM administration. Pearson or Spearman correlation coefficient (r) was used for bivariate contrast as appropriate. A partial correlation analysis was performed between DeltaLVEF and DeltaT2* while controlling for anaemia status at baseline. Anaemia was present in half of patients. After FCM administration, T2* decreased from a median of 39.5 (35.9-48) to 32 ms (32-34.5), P = 0.012. Simultaneously, a borderline increase in median of LVEF [40% (36-44.5) to 48.5% (38.5-53), P = 0.091] was registered. In a bivariate correlational analysis, DeltaT2* was highly correlated with DeltaLVEF (r = -0.747, P = 0.033). After controlling for anaemia at baseline, the association between DeltaT2* and DeltaLVEF persisted [r(partial): -0.865, R2(partial): 0.748, P = 0.012]. A median regression analysis backed-up these findings. CONCLUSIONS: In a small sample of patients with HFrEF and iron deficiency, myocardial iron repletion assessed by CMR was associated to left ventricular remodelling. Further studies are warranted. PMID- 27867533 TI - The HECT domain ubiquitin ligase HUWE1 targets unassembled soluble proteins for degradation. AB - In eukaryotes, many proteins function in multi-subunit complexes that require proper assembly. To maintain complex stoichiometry, cells use the endoplasmic reticulum-associated degradation system to degrade unassembled membrane subunits, but how unassembled soluble proteins are eliminated is undefined. Here we show that degradation of unassembled soluble proteins (referred to as unassembled soluble protein degradation, USPD) requires the ubiquitin selective chaperone p97, its co-factor nuclear protein localization protein 4 (Npl4), and the proteasome. At the ubiquitin ligase level, the previously identified protein quality control ligase UBR1 (ubiquitin protein ligase E3 component n-recognin 1) and the related enzymes only process a subset of unassembled soluble proteins. We identify the homologous to the E6-AP carboxyl terminus (homologous to the E6-AP carboxyl terminus) domain-containing protein HUWE1 as a ubiquitin ligase for substrates bearing unshielded, hydrophobic segments. We used a stable isotope labeling with amino acids-based proteomic approach to identify endogenous HUWE1 substrates. Interestingly, many HUWE1 substrates form multi-protein complexes that function in the nucleus although HUWE1 itself is cytoplasmically localized. Inhibition of nuclear entry enhances HUWE1-mediated ubiquitination and degradation, suggesting that USPD occurs primarily in the cytoplasm. Altogether, these findings establish a new branch of the cytosolic protein quality control network, which removes surplus polypeptides to control protein homeostasis and nuclear complex assembly. PMID- 27867535 TI - Erratum: Canonical Wnt signalling regulates nuclear export of Setdb1 during skeletal muscle terminal differentiation. AB - [This corrects the article DOI: 10.1038/celldisc.2016.37.]. PMID- 27867534 TI - NANOG reprograms prostate cancer cells to castration resistance via dynamically repressing and engaging the AR/FOXA1 signaling axis. AB - The pluripotency transcription factor NANOG has been implicated in tumor development, and NANOG-expressing cancer cells manifest stem cell properties that sustain tumor homeostasis, mediate therapy resistance and fuel tumor progression. However, how NANOG converges on somatic circuitry to trigger oncogenic reprogramming remains obscure. We previously reported that inducible NANOG expression propels the emergence of aggressive castration-resistant prostate cancer phenotypes. Here we first show that endogenous NANOG is required for the growth of castration-resistant prostate cancer xenografts. Genome-wide chromatin immunoprecipitation sequencing coupled with biochemical assays unexpectedly reveals that NANOG co-occupies a distinctive proportion of androgen receptor/Forkhead box A1 genomic loci and physically interacts with androgen receptor and Forkhead box A1. Integrative analysis of chromatin immunoprecipitation sequencing and time-resolved RNA sequencing demonstrates that NANOG dynamically alters androgen receptor/Forkhead box A1 signaling leading to both repression of androgen receptor-regulated pro-differentiation genes and induction of genes associated with cell cycle, stem cells, cell motility and castration resistance. Our studies reveal global molecular mechanisms whereby NANOG reprograms prostate cancer cells to a clinically relevant castration resistant stem cell-like state driven by distinct NANOG-regulated gene clusters that correlate with patient survival. Thus, reprogramming factors such as NANOG may converge on and alter lineage-specific master transcription factors broadly in somatic cancers, thereby facilitating malignant disease progression and providing a novel route for therapeutic resistance. PMID- 27867536 TI - Life-threatening MRSA sepsis with bilateral pneumonia, osteomyelitis, and septic arthritis of the knee in a previously healthy 13-year-old boy: a case report. AB - The incidence and severity of methicillin resistant Staphylococcus aureus (MRSA) infections are increasing and cause high mortality and morbidity. We describe the first pediatric case in Scandinavia with Panton-Valentine leucocidin (PVL) positive MRSA septicemia who developed bilateral pneumonia, arthritis of the knee, and osteomyelitis of the tibia. Radiological investigation and interpretation directed the treatment, especially the surgical debridement, and combined with clinical and biochemical findings lead to close interdisciplinary treatment with frequent surgical interventions and antimicrobial combination therapy. The outcome was a healthy patient without sequelae, a favorable course unlike those previously described in the literature. This case underlines the necessity of a close interdisciplinary cooperation in children with severe MRSA infection encompassing pneumonia, septic arthritis, and osteomyelitis, using different imaging modalities to guide the surgical and antibiotic treatment. PMID- 27867537 TI - Aquaporin 3 facilitates chemoresistance in gastric cancer cells to cisplatin via autophagy. AB - Cisplatin (cDDP) remains one of the first-line chemotherapeutic agents for gastric cancer (GC) treatment, and resistance to cDDP is the major limitation in its clinical application. Mechanisms of cDDP resistance have been shown to be varied and complicated. Aquaporin 3 (AQP3) has been demonstrated to be overexpressed in GC tissues and is thought to be involved in GC carcinogenesis and progression. However, the role of AQP3 in chemosensitivity of GC to cytotoxic agents remains unknown. In this study, we show that AQP3 overexpression induced resistance to cDDP in AGS cells (P<0.05), and AQP3 knockdown increased the chemosensitivity in MGC803 and SGC7901 cells (P<0.05). Moreover, cDDP treatment enhanced AQP3 expression in MGC803, SGC7901 and AGS cells. AQP3 overexpression promoted the conversion of LC3-I to LC3-II in AGS cells, whereas AQP3 knockdown inhibited this conversion in MGC803 and SGC7901 cells. AQP3 upregulation increased Atg5 and Beclin-1 expression, and inhibited P62 expression in AGS cells, whereas AQP3 knockdown showed the opposite results in MGC803 and SGC7901 cells. Chloroquine (CQ), an autophagy inhibitor, enhanced the cytotoxicity of cDDP in GC cells, and CQ reversed the chemoresistance to cDDP caused by AQP3 overexpression in GC cells. Together, our data demonstrate that AQP3 facilitates cisplatin resistance in gastric cancer cells via autophagy, and suggest that the development of AQP3-based tumor therapeutics could play a key role in future GC treatment strategies. PMID- 27867539 TI - Statistical modeling to unravel multiple predictors of the choice of chemotherapy for non-small cell lung cancer. PMID- 27867540 TI - Circulating biomarker for malignant pleural mesothelioma diagnosis: pay attention to study design. PMID- 27867538 TI - Classification of drugs to treat multidrug-resistant tuberculosis (MDR-TB): evidence and perspectives. PMID- 27867541 TI - Percutaneous coronary intervention versus bypass grafting in left main coronary artery disease. PMID- 27867542 TI - The expression of SALL4 is significantly associated with EGFR, but not KRAS or EML4-ALK mutations in lung cancer. AB - BACKGROUND: Lung cancer is the leading cause of cancer-related deaths worldwide; unfortunately, its prognosis is still very poor. Therefore, developing the target molecular is very important for lung cancer diagnosis and treatment, especially in the early stage. With this in view, spalt-like transcription factor 4 (SALL4) is considered a potential biomarker for diagnosis and prognosis in cancers, including lung cancer. METHODS: In order to better investigate the association between the expression of SALL4 and driver genes mutation, 450 histopathologically diagnosed patients with lung cancer and 11 non-cancer patients were enrolled to test the expression of SALL4 and the status of driver genes mutation. This investigation included epidermal growth factor receptor (EGFR), kirsten rat sarcoma viral oncogene homolog (KRAS), and a fusion gene of the echinoderm microtubule-associated protein-like 4 (EML4) and the anaplastic lymphoma kinase (ALK). RESULTS: The results of the study showed that females harbored more EGFR mutation in adenocarcinoma (ADC). The mutation rate of KRAS and EML4-ALK was about 5%, and the double mutations of EGFR/EML4-ALK were higher than EGFR/KRAS. In the expression analysis, the expression of SALL4 was much higher in cancer tissues than normally expected, especially in tissues that carried EGFR mutation (P<0.05), however, there were no significant differences between different mutation types. Likewise, there were no significant differences between expression of SALL4 and KRAS and EML4-ALK mutations. CONCLUSIONS: SALL4 is up regulated in lung cancer specimens and harbors EGFR mutation; this finding indicates that SALL4 expression may be relevant with EGFR, which could provide a new insight to lung cancer therapy. The mechanism needs further investigation and analysis. PMID- 27867543 TI - Primary adenosquamous carcinoma of the esophagus: an analysis of 39 cases. AB - BACKGROUND: Adenosquamous carcinoma (ASC) of the esophagus is an uncommon type of malignant esophageal neoplasm containing both squamous cell carcinoma (SCC) and adenocacinoma (AC) components. The aim of this study was to explore the clinical characteristics and prognosis of esophageal ASC. METHODS: A retrospective review of esophageal ASC patients who underwent transthoracic esophagectomy with lymphadenectomy in our hospital from July 2007 to April 2014. RESULTS: A total of 39 (1.0%) esophageal ASC patients among 3855 patients with esophageal cancers were collected to analyze. There were 34 men and 5 women with a median age of 61.0 years (range from 39-85). Median follow-up time was 30.0 months and median survival time was 44.4 months. The 1-, 3- and 5-year overall survival rates were 82.1%, 51.6% and 37.5%, respectively. Compared to esophageal SCC and AC, there were no significant difference in survive time (P=0.616). Thirty five (92.1%) of the 38 patients who underwent preoperative endoscopic biopsy were misdiagnosed, mostly as SCC. Fifteen patients (38.5%) were found to have lymph node metastasis. Thirty two patients (82.1%) had a poorly differentiated or undifferentiated tumor. According to the 2009 American Joint Committee on Cancer (AJCC) staging system for esophageal squamous cell carcinoma, 3 patients were at Stage I, 21 patients at Stage II and 15 patients at Stage III. In univariate analysis, pT stage, lymph node metastasis and pTNM Stage significantly influenced survive time. In multivariate analysis, however, only lymph node metastasis (P=0.003; 95% CI: 1.626-10.972) was found to be the independent prognostic factor. CONCLUSIONS: Primary ASC of the esophagus is a rare disease with difficultly to be histologically confirmed by endoscopic biopsy. The prognosis of esophageal ASC was no worse than esophageal SCC and AC. Lymph node metastasis is the most influent prognostic factor. The TNM staging system of esophageal SCC is applicable for esophageal ASC. PMID- 27867544 TI - A morphologic study of the airway structure abnormalities in patients with asthma by high-resolution computed tomography. AB - BACKGROUND: Airway structure changes, termed as airway remodeling, are common in asthma patients due to chronic inflammation, which can be assessed by high resolution computed tomography (HRCT). Considering the controversial conclusions in the correlation of morphologic abnormalities with clinical feature and outcome, we aimed to further specify and evaluate the structural abnormalities of Chinese asthmatics by HRCT. METHODS: From August 2012 to February 2015, outpatients with asthma were recruited consecutively in the Asthma Center of West China Hospital, Sichuan University. Standard HRCT and pulmonary function test (PFT) were performed to collect information of bronchial wall thickening, bronchial dilatation, mucus impaction, emphysema, mosaic perfusion, atelectasis, and spirometric parameters. We reported the incidence of each structural abnormality in HRCT and compared it among different asthmatic severities. RESULTS: A total of 123 asthmatics were enrolled, among which 84 (68.3%) were female and 39 (31.7%) were male. At least one structural abnormality was detected by HRCT in 85.4% asthmatics, and the incidence of bronchial wall thickening, bronchial dilatation, mucus impaction, emphysema, mosaic perfusion, and atelectasis was 57.7%, 51.2%, 22%, 24.4%, 5.7% and 1.6%, respectively. The incidences of bronchial wall thickening, bronchial dilation and emphysema were significantly increased by asthma severity (P<0.05), while incidences of mucus impaction (26/27, 96.30%), mosaic perfusion (6/7, 85.71%) and atelectasis (2/2, 100%) were mainly found in severe asthma. We found a longer asthma history (28.13+/-18.55 years, P<0.001, P=0.003), older age (51.30+/-10.70 years, P=0.022, P=0.006) and lower predicted percentage of forced expiratory volume in one second (FEV1%) (41.97+/-15.19, P<0.001, P<0.001) and ratio of forced expiratory volume to forced vital capacity (FEV1/FVC) (48.01+/-9.55, P<0.001, P<0.001) in patients with severe bronchial dilation compared with those in none and mild bronchial dilation. A negative correlation was also found between the extent of bronchial dilation and FEV1% as well as FEV1/FVC (r=-0.359, P=0.004; r=-0.266, P=0.035, respectively). CONCLUSIONS: The incidences of structural abnormalities detected by HRCT are fairly high in Chinese asthma populations, especially the bronchial wall thickening and bronchial dilation, which are significantly increased in severe asthma, and are potential risk factors of pulmonary function decline in asthmatics. PMID- 27867545 TI - An evaluation study of research efficiency of the Guangzhou institute of respiratory diseases based on malmquist index. AB - BACKGROUND: This study aimed to analyze the dynamic changes of the scientific research innovation efficiency of Guangzhou Institute of Respiratory Diseases (GIRD) during the year 2009-2013 to explore the reason for these changes and give some suggestions on how to improve the overall efficiency of the Institute. METHODS: The panel data used in this study were taken from 19 research teams of GIRD during 2009 to 2013. Data envelopment analysis (DEA) based on Malmquist index (MI) was used to analyze the performance of each research team in terms of productivity changes over time. Data were analyzed using DEAP 2.1 software. RESULTS: The annual average increase rate of total factor productivity (TFP), technological progress, technical efficiency, pure technical efficiency, and scale efficiency was 30.4%, 22.5%, 6.4%, 0.9%, and 5.4%, respectively from 2009 to 2013. The scientific research innovation efficiency of the GIRD was generally high and kept on growing. The increase of TFP was mainly caused by the progress of tech, the descending of TFP in some teams should be mainly attributable to the declining pure technical efficiency, and scale efficiency on the whole, maintaining a stable growth at a low speed. CONCLUSIONS: To achieve higher scientific research innovation, GIRD not only needs to further improve the management level and introduce advanced management mode, but also needs to focus on optimization of resource allocation, as well as to strengthen the talent introduction, and continue to maintain the absorption of new technologies and innovation. PMID- 27867546 TI - Transoral endoscopic mediastinal surgery (TOEMS)-results of a first clinical study for scarless mediastinal lymph node biopsies. AB - BACKGROUND: Video-assisted mediastinoscopy (VAM) represents the standard procedure for mediastinal lymph node biopsies. This operation results in a scar at prominent position at the anterior neck. Since there is a trend to less invasive procedures, natural orifice transluminal endoscopic surgery (NOTES) was introduced to different fields of surgery. Based on NOTES we developed a new approach for mediastinoscopy: transoral endoscopic mediastinal surgery (TOEMS). In previous studies using human cadavers and living pigs the feasibility of TOEMS was shown. It was unclear whether TOEMS could be safely applied in patients requiring mediastinal lymph node biopsies. METHODS: We conducted a clinical phase I study recruiting ten patients with unclear mediastinal lymphadenopathy not resolved by prior bronchoscopy. All patients underwent TOEMS for mediastinal lymph node biopsy. The duration of the procedure and complications were monitored. In addition, all patients were examined for pain, swallowing dysfunction and sensation disturbance. RESULTS: TOEMS was accomplished in eight patients. In two patients operation was converted to VAM due to technical problems. Mediastinal lymph nodes were dissected in all patients who finished with TOEMS. On average, two separate lymph stations were reached by TOEMS. Duration of the procedure was 159+/-22 min. Permanent palsy of the right recurrent laryngeal nerve was noticed in one patient postoperatively. CONCLUSIONS: This is the first report for a human application of NOTES in thoracic surgery. In fact, transoral endoscopic surgery seems to be a feasible approach for mediastinal lymph node biopsies. Further studies are needed to show whether this procedure has an advantage over VAM in terms of pain, complications and accessibility of mediastinal lymph node stations. PMID- 27867547 TI - Clinicopathological features and prognosis of patients <45 years old with esophageal adenocarcinoma comparing to other age groups. AB - BACKGROUND: To analyze the clinicopathological features and prognosis of younger patients with esophageal adenocarcinoma (EAC). METHODS: A total of 2,601 patients diagnosed with EAC between 1988 and 2011 were selected from the Surveillance, Epidemiology, and End Results (SEER) database. All patients underwent primary tumor resection and regional lymphadenectomy without preoperative radiotherapy. The patients were into four age groups (<45, 45-59, 60-74, >=75), with 94, 813, 1,272 and 422 patients in each group respectively. RESULTS: Patients in the age <45 group were more likely to have lymph node (LN) metastasis (P=0.002), postoperative radiotherapy (P<0.001) and advanced T and N stage (P=0.003, 0.014) compared to the other three groups. We then conducted two Cox proportional hazards model adjusted for the sex, race, number of LNs examined, histological grade, postoperative radiation. The hazard ratio (HR) was higher in patients <45 y and the survival rate were paradoxically lower compared to the patients between 45-60 years old (P=0.046, 0.039). CONCLUSIONS: The patients <45 y had the most aggressive clinicopathological features of EAC and poorer survival rate after radical esophagectomy. PMID- 27867548 TI - Detection of salivary aspiration using radionuclide salivagram SPECT/CT in patients with COPD exacerbation: a preliminary study. AB - BACKGROUND: The aim of this prospective study was to assess the utility of radionuclide salivagram for detecting salivary aspiration in AECOPD patients and to evaluate the adding value of SPECT/CT to planar imaging. METHODS: 52 consecutive AECOPD patients underwent radionuclide salivagram SPECT/CT and water swallow test between April 2012 and March 2014. All images were interpreted independently by two experienced nuclear medicine physicians. Final diagnosis was made by consensus of two readers. The radionuclide salivagram and water swallow test results were compared using kappa values. The relationship between radionuclide salivagram results and exacerbation frequency was evaluated with the Person chi2 test. RESULTS: Salivary aspiration was diagnosed by radionuclide salivagram in 17 of 52 patients. Aspiration into the right main bronchus and branch was seen in 8 patients, bilateral main bronchi in 6 patients, and left lung field in 3 patients. SPECT/CT provided more accurate information on the extent and location of salivary aspiration, in 11 cases, SPECT/CT demonstrated aspiration of pulmonary segment bronchus and the following areas. Moreover, SPECT/CT revealed salivary aspiration corresponding to aspiration pneumonia in 8 cases. There was general agreement between the radionuclide salivagram and water swallow test results (Kappa =0.712; 95% CI, 0.504-0.920; P<0.001). The incidence of frequent exacerbations was greater among subjects with positive salivagram than among those with negative salivagram results (RR =3.43; 95% CI, 1.90-6.19; P<0.001). CONCLUSIONS: Radionuclide salivagram is an objective method for detecting salivary aspiration in AECOPD patients. Moreover, SPECT/CT can identify more precise location of salivary aspiration and suggest a possible role for saliva in the pathophysiology of aspiration pneumonia. PMID- 27867549 TI - Continuous positive airway pressure therapy in non-sleepy patients with obstructive sleep apnea: results of a meta-analysis. AB - BACKGROUND: Although continuous positive airway pressure (CPAP) has become the first line of therapy for obstructive sleep apnea (OSA), it remains controversial whether non-sleepy patients could benefit from CPAP treatment. METHODS: We searched the online databases Medline, Embase, the Cochrane library and the Cochrane Central Registry of Controlled Trials to select eligible control trials, including non-sleepy OSA patients and those patients treated by CPAP or either sham CPAP or no CPAP. RESULTS: Seven eligible studies (1,541 patients) were included. The pooled estimates of the mean changes after CPAP treatment for the systolic blood pressure (SBP) and diastolic blood pressure (DBP) were -0.51 mmHg (95% CI, -3.39 to 2.38 mmHg; P=0.73) and -0.92 mmHg (95% CI, -1.39 to -0.46 mmHg; P<0.001), respectively. CPAP should not improve subjective sleepiness in the minimally symptomatic OSA patients, as the change in the Epworth sleepiness scale (ESS) was -0.51 (95% CI, -1.68 to 0.67; P=0.397). However, CPAP can effectively reduce AHI or ODI by 15.57 events/h (95% CI, -29.32 to -1.82; P=0.026) compared to controls. However, the risk of cardiovascular events did not significantly decrease [odds ratio (OR), 0.80; 95% CI, 0.50 to 1.26; P=0.332] in the end. CONCLUSIONS: CPAP treatment can reduce OSA severity in non-sleepy patients and minutely reduce the DBP, but CPAP seems to have no overall beneficial effects on subjective sleepiness, SBP, or cardiovascular risk. PMID- 27867550 TI - Amide-linked local anesthetics induce apoptosis in human non-small cell lung cancer. AB - BACKGROUND: A retrospective analysis of patients undergoing cancer surgery suggested that using local anesthetics could reduce cancer recurrence and improve survival rate. Previous studies have indicated that local anesthetics may induce apoptosis in several kinds of cells in vitro, but the mechanism is unclear. METHODS: Cell viability was analyzed by MTS; reactive oxygen species (ROS), mitochondrial membrane potential (MMP, ?Psim), cell cycle distribution, and cell apoptosis assay were detected by flow cytometry; DNA damage was measured by comet assay; cell invasion and migration were observed by microscopy; The expression level of related proteins was detected by western blot assay. RESULTS: The results indicated that lidocaine and ropivacaine could decrease viability, induce G0/G1 phase arrest and apoptosis in human non-small cell lung cancer (NSCLC) cells A549 and H520. Invasion and migration were suppressed. Western blot indicated the related apoptotic pathways proteins changed accordingly. Additionally, lidocaine and ropivacaine downregulated ?Psim, provoked DNA damage, upregulated ROS production and activated mitogen-activated protein kinase (MAPK) pathways in A549 and H520 cells. CONCLUSIONS: The cytotoxic effect of amide linked local anesthetics on NSCLC cells were mainly due to apoptosis. The antitumor mechanism of lidocaine and ropivacaine may involve apoptotic pathways and MAPK pathways. PMID- 27867551 TI - Endobronchial ultrasonography with guide sheath versus computed tomography guided transthoracic needle biopsy for peripheral pulmonary lesions: a propensity score matched analysis. AB - BACKGROUND: Computed tomography guided transthoracic needle aspiration (CT-TTNA) and endobronchial ultrasonography with guide sheath (EBUS-GS) transbronchial lung biopsy are important methods for the diagnosis of peripheral pulmonary lesions (PPLs). Without enough evidence, it is controversial which is a better choice for diagnosing PPLs. In this study, we hypothesized that the complication rate of EBUS-GS would be lower than CT-TTNA and the diagnostic accuracy of EBUS-GS were not inferior to CT-TTNA. METHODS: This study was a retrospective analysis of a prospective registry with propensity matching. Patients with PPLs were divided into EBUS-GS group and CT-TTNA group according to patients' intent to treatment. Pathological results and procedure related complications of EBUS-GS and CT-TTNA were recorded. Propensity score matching(PSM) was used to eliminate the intergroup bias. Diagnostic yields and complications of two groups were compared. Subgroup analysis was performed to conclude the indications of different procedures. RESULTS: A total of 187 patients (CT-TTNA: 130; EBUS-GS: 57) were enrolled. After propensity score matching, 54 paired patients were included. Diagnostic yield was 81% (44/54) for EBUS-GS and 87% (47/54) for CT-TTNA (P=0.43), respectively. Diagnostic sensitivity in malignancy was 93% (42/45) for CT-TTNA and 79% (37/47) for EUBS-GS (P=0.04). Subgroup analysis revealed that the sensitivity of CT-TTNA was significantly higher in diagnosing of lesions close to the chest wall (100% vs. 80%, P=0.04), and bronchus sign on CT was a predictive factor for accurate diagnosis by EBUS-GS. The overall complication rate was 13% (7/54) for CT-TTNA group, which was not significantly higher than that of EBUS-GS group (2%, P=0.06). Subgroup analysis showed that patients combined with pulmonary comorbidities and lesions apart from chest wall were risk factors for complications of CT-TTNA. CONCLUSIONS: Both of the two procedures are effective for the diagnosis of PPLs, but CT-TTNA has a higher diagnostic sensitivity for malignancy. EBUS-GS has fewer complications, and it is more suitable for patients combined with pulmonary comorbidities and lesions with bronchus signs. PMID- 27867552 TI - Prognostic value of on admission arterial PCO2 in hospitalized patients with community-acquired pneumonia. AB - BACKGROUND: There is little data about the correlation between the outcome of community acquired pneumonia (CAP) and the hypercapnic type respiratory failure. In this study we prospectively investigated the prognostic significance of first arterial CO2 tension in patients hospitalized with CAP. METHODS: In this prospective study patients with CAP, admitted to a general hospital were included. PaCO2 was measured for each subject in an arterial blood sample drawn in the first 2 hours and its correlations with three major outcomes were evaluated: intensive care unit (ICU) admission, duration of admission and mortality in 30 days. RESULTS: A total of 114 patients (mean age: 60.9+/-18.3; male: 51.8%) diagnosed with CAP were included. Significant relationship was not found between PaCO2 and mortality (P=0.544) or ICU admission (P=0.863). However advanced age, associated CHF, high BUN levels, high CURB-65 scores, associated pleural effusion in chest X-ray and being admitted to the ICU (P=0.012, 0.004, 0.003, <0.001, 0.045 and <0.001 respectively) were all significant prognostic factors of higher mortality risks. Prognostic factors for ICU admission were a history of malignancy (P=0.004), higher CURB-65 (P<0.001) scores and concomitant pleural effusion (P=0.028) in chest X-ray. Hypercapnic patients hospitalized for longer duration compared with normocapnic subjects. Furthermore, patients with lower pH (P=0.041) and pleural effusions (P=0.002) were hospitalized longer than the others. CONCLUSIONS: There was less prominent prognostic value regarding on admission PaCO2 in comparison to other factors such as CURB-65. Considering the inconsistent results of surveys conducted on prognostic value of PaCO2 for CAP outcomes, further investigations are required to reach a consensus on this matter. PMID- 27867553 TI - Using a chemiresistor-based alkane sensor to distinguish exhaled breaths of lung cancer patients from subjects with no lung cancer. AB - BACKGROUND: Breath alkanes are reported to be able to discriminate lung cancer patients from healthy people. A simple chemiresistor-based sensor was designed to respond to alkanes by a change in resistance measured by a digital multimeter connected to the sensor. In preclinical experiments, the sensor response was found to have a strong positive linear relationship with alkane compounds and not responsive to water. This study aimed to determine the ability of the alkane sensor to distinguish the exhaled breaths of lung cancer patients from that of chronic obstructive pulmonary disease (COPD) patients and control subjects without lung cancer. METHODS: In this cross-sectional study, 12 treatment-naive patients with lung cancer, 12 ex- or current smokers with COPD and 13 never smokers without lung disease were asked to exhale through a drinking straw into a prototype breath-in apparatus made from an empty 125 mL Vitagen(r) bottle with the chemiresistor sensor attached at its inside bottom to measure the sensor peak output (percentage change of baseline resistance measured before exhalation to peak resistance) and the time taken for the baseline resistance to reach peak resistance. RESULTS: Analysis of multivariate variance and post-hoc Tukey test revealed that the peak output and the time to peak values for the lung cancer patients were statistically different from that for both the COPD patients and the controls without lung disease, Pillai's Trace =0.393, F=3.909, df = (4, 64), P=0.007. A 2.20% sensor peak output and a 90-s time to peak gave 83.3% sensitivity and 88% specificity in diagnosing lung cancer. Tobacco smoking did not affect the diagnostic accuracy of the sensor. CONCLUSIONS: The alkane sensor could discriminate patients with lung cancer from COPD patients and people without lung disease. Its potential utility as a simple, cheap and non-invasive test for early lung cancer detection needs further studies. PMID- 27867554 TI - Tigecycline combination for ventilator-associated pneumonia caused by extensive drug-resistant Acinetobacter baumannii. AB - BACKGROUND: Extensive drug-resistant Acinetobacter baumannii (XDR A. baumannii) has emerged as an important pathogen in patients with ventilator-associated pneumonia (VAP) worldwide. This study determined whether or not combination tigecycline (TGC) treatment improved the short-term outcome of patients with XDR A. baumannii-induced VAP. Methods: Fifty-eight patients admitted to our intensive care unit (ICU) with confirmed XDR A. baumannii VAP between January 2011 and June 2013 were retrospectively studied. Fourteen patients were excluded. The included subjects were classified into two groups depending on treatment regimens with or without TGC (TGC group, n=20; non-TGC group, n=24). Thirty-day mortality rates, and clinical and microbiologic responses were reviewed and compared in detail. RESULTS: Microbiological eradication was observed in 3 patients (15.0%) in the TGC group and 7 patients (29.2%) in the non-TGC group (P=0.264). The mean time-to eradication of XDR A. baumannii was 5.3+/-2.1 versus 7.6+/-4.0 days (P=0.395). Ten of 20 (50%) patients developed resistance to TGC after initiation of TGC therapy in the TGC group. Clinical cure were achieved in 50.0% of the patients (10/20) in the TGC group and 45.8% of the patients (7/24) in the non-TGC group (P=1.000). No differences existed in the 30-day mortality, length of ICU stay, length of hospital stay (LOS), and length of invasive mechanical ventilation (MV) between the two groups. The occurrence of septic shock was significantly lower in the TGC group (20.0% vs. 54.2%; P=0.030). CONCLUSIONS: TGC combination therapy did not improve the clinical cure and microbiologic eradication in patients with XDR A. baumannii VAP. TGC combination therapy did not decrease all-cause mortality in patients with XDR A. baumannii VAP. TGC combination therapy reduced the incidence of septic shock in patients with XDR A. baumannii VAP, and might decrease the incidence of poly-microbial VAP. TGC combination therapy can only be recommended as an option when other optimized therapeutics, such as colistin, are unavailable. PMID- 27867555 TI - Functional role of lncRNA DB327252 in lung cancer. AB - BACKGROUND: Lung cancer becomes a concerning health issue and is considered one of the most deadly cancers in the worldwide. Most recently, long non-coding RNAs (lncRNAs) are newfound non-coding RNAs that are thought as one of the major players in a range of biological processes of human diseases. Although lncRNAs are involved in numerous cancer types, the precise understandings of lncRNAs' functional roles and mechanisms in lung cancer are limited. In this study, we looked for lung cancer related lncRNAs. METHODS: The quantitative reverse transcriptase polymerase chain reaction (qRT-PCR) technique was utilized to investigate the lncRNA DB327252 expression in 91 paired clinical lung cancer tissues and related cell lines. Moreover, its biological functions were also evaluated in the development of lung cancer. RESULTS: The results indicated that the expression of DB327252 was up-regulated in lung cancer tissues compared to the cancer-adjacent normal tissues (P<0.05); and the up-regulated expression is likely to relate to those with bigger tumor size, adenocarcinoma and advanced TNM stage (P<0.05). In addition, the knockdown of DB327252 inhibited the growth and proliferation of tumor cell in vitro and in vivo. According to the observation from our study, we found that the knockdown of the DB327252 expression, led to G0/G1 phase cell-cycle arrested, colony formation suppressed in vitro, and tumor growth inhibited in a nude mouse xenograft model. Our experimental results also suggest that lncRNA DB327252 may be a lncRNA related to lung cancer and acts an important role in A549 and 16HBE-T cancer cells, which provides evidence that DB327252 has an oncogene-like function in lung cancer. CONCLUSIONS: The lncRNA DB327252 is up-regulated in lung cancer, and its expression implies that it was probable related to biologic functions of lung cancer. PMID- 27867556 TI - Recurrent laryngeal nerve lymph node dissection may not be suitable for all early stage esophageal squamous cell carcinoma patients: an 8-year experience. AB - BACKGROUND: Recurrent laryngeal nerve (RLN) injury is one of the most frequent postoperative complications of esophageal squamous cell carcinoma (ESCC) radical resection. This study aims to develop a novel scoring system to predict recurrent laryngeal nerve lymph node (RLNLN) metastases in early ESCC and explore the indications for precise RLN lymphadenectomy. METHODS: Early stage ESCC patients from 2006 to 2014 were analyzed. Patient and pathologic characteristics were compared between patients with RLNLN metastases and those without. Univariate and multivariate analyses were performed to establish a scoring system that estimates the risks of RLNLN metastases. The indications for RLNLN dissection were validated by survival rate, postoperative complications, and metastases rate. RESULTS: A total of 311 cases selected from 1,466 ESCC patients were divided into the dissection group and the control group. Age, tumor length, macroscopic tumor type, T stage, tumor location and tumor differentiation were independent predictors of RLNLN metastases. The weighted scoring system included age (+2 for <56 years), tumor length (+2 for over 4.45 cm), tumor location (+4 for upper thoracic, +2 for mid-thoracic) and macroscopic tumor type (+1 for advanced type). The total number of points estimated the probability of RLNLN metastases [low risk (0-2 point), 0%; moderate-risk (3-4 points), 9.8%; and high-risk (>4 points), 43.4%]. Besides, the dissection group had more complications and similar survival rate when compared with the control group. CONCLUSIONS: We developed a novel scoring system that accurately estimated the risk of RLNLN metastases in early ESCC patients. RLN lymphadenectomy may be safely omitted for the patients in the low-risk subgroup. PMID- 27867557 TI - Clinical analysis of non-AIDS patients pathologically diagnosed with pulmonary cryptococcosis. AB - BACKGROUND: Pulmonary cryptococcosis (PC) was not a rare infectious disease in non-AIDS patients. However, data on the immune status were lacking in southern China for comparative analysis of differences between immunocompromised and immunocompetent hosts. This study was to investigate the epidemiological, clinical, radiological, and treatment profiles for patients with PC. METHODS: We performed a retrospective review of 88 patients diagnosed with tissue-confirmed PC who were not HIV-infected from 2003 to 2013. RESULTS: Of 88 patients, 35(39.7%) were immunocompromised host. Fever and CNS symptom were significantly common in immunocompromised patients compared to immunocompetent patients (P=0.019 and P=0.036, respectively). The most frequent radiologic abnormalities were solitary or multiple pulmonary nodules, and masses or consolidations, and most lesions were located in the peripheral lung field. Cavitations and halo sign were significantly frequent in immunocompromised patients than in immunocompetent patients (P<0.05). The most frequently applied and reliable diagnostic procedure was CT-guided percutaneous translung biopsy. Treatment included antifungal drug alone in 20 patients, surgery alone in 20 including 3 treated by VATS, surgery plus antifungal drugs in 20 patients. CONCLUSIONS: PC was not rare in immunocompetent host in southern China. Special differences remained in clinical manifestation and radiological findings of PC between immunocompromised and immunocompetent patients. Future work on the mechanisms of possible differences is required. PMID- 27867558 TI - Effectiveness of lung ultrasonography for diagnosis of pneumonia in adults: a systematic review and meta-analysis. AB - BACKGROUND: Pneumonia is usually presented as a forgotten killer, and an early diagnosis could largely improve the prognostic outcomes. Lung ultrasound (LUS) has been universally applied in evaluating multiple pulmonary diseases including pneumonia. However, the diagnosis accuracy of LUS for pneumonia in adults is still uncertain. Hence, we performed a systematic review of the current literature to assess the diagnosis accuracy of LUS for pneumonia in adults. METHODS: PubMed and EMBASE were searched for clinical trials that assessed the detection accuracy of LUS for pneumonia in adult patients. We extracted descriptive and quantitative information from eligible studies that met strict inclusion criteria and calculated pooled sensitivity, specificity and pooled diagnostic likelihood ratios (LR). Summary receiver operating characteristic (sROC) curve was used to assess the overall performance of LUS-based assays. RESULTS: We reviewed 1,072 articles and selected 38 for detailed review. 14 articles containing 1,911 participants met all inclusion criteria and were included in the final analysis. LUS exhibited a pooled sensitivity of 0.904 (0.884-0.921), specificity of 0.884 (0.861-0.904), positive LR of 6.6 (3.7-11.7), negative LR of 0.08 (0.04-0.19) and the area under curve (AUC) was 0.9611. Interestingly, when CT alone, CT combined with clinical presentations, and microbiology was set as the gold standard of pneumonia respectively, LUS demonstrated a pooled sensitivity of 90.9%, 95.0%, 53.3%, and a pooled specificity of 89.7%, 91.3% and 67.9%. In extension, we compared the diagnostic efficiency of LUS for pneumonia with chest X-ray (CXR) in 1,343 patients. The AUC for LUS and CXR was 0.972 and 0.867 respectively and the Z statistic of the two sROC curves was 2.31. CONCLUSIONS: Our study indicated that LUS is a robust diagnostic tool for pneumonia with high accuracy. Utilization of LUS would facilitate the estimation of pneumonia at bedside. PMID- 27867559 TI - Impact of anticancer drugs price cut on physician's prescription choices on first line chemotherapy regimens and health expenditure for advanced non-small cell lung cancer in China. AB - BACKGROUND: Increases in insurance coverage and price cut of drugs are two important measures to make health care more accessible and affordable. As far as we know, this was the first study to explore the impact of anticancer drug price cut on health expenses and oncologist's prescription decisions in China. METHODS: The 511 non-small cell lung cancer (NSCLC) patients were recruited from Qilu Affiliated Hospital of Shandong University from January 1, 2003 to December 31, 2010. We categorized the patients into five groups based on China's fifth population census in 2000, including administrative group, workers and services group, peasants group, professionals group and others group. All statistical analyses were performed using SPSS (version 16.0), all statistic tests were two tailed and P value <=0.05 was considered significant. RESULTS: As for the first line chemotherapy regimens prescribed during the study, 27.6% patients received vinorelbine + cisplatin (NP), 31.5% and 30.9% patients had gemcitabine + cisplatin (GC) and docetaxel + cisplatin (DC), respectively, while only 4.3% patients received paclitaxel + cisplatin or carboplatin (TP). Before price policy implementation, NP was the most popularly used regimen (44.6%). By contrast, doctors' prescription choices changed significantly after drug price cut, GC took first place (42.0%). GC became the most expensive regimen (4,431.40 RMB per cycle, about 665.15 dollars per cycle), while NP cost the least (1,974.48 RMB per cycle, about 296.37 dollars per cycle) after price cut. No significant reduction could be seen for both the pharmaceutical spending and total expense per inpatient episode after drug price adjustment. One interesting phenomena was that doctors relied less on patient's sex, age, histology to make their decisions, by contrast, more on patient's occupation and health insurance type. And, the total drug cost was closely related to patient occupation and health insurance type. CONCLUSIONS: The introduction of anticancer drug price control policy was found to be ineffective on the containment of hospital drug expenditures in one cancer center in China. PMID- 27867561 TI - Comparison of robot-assisted esophagectomy and thoracoscopic esophagectomy in esophageal squamous cell carcinoma. AB - BACKGROUND: The aim of the study was to compare robot-assisted esophagectomy (RE) with thoracoscopic esophagectomy (TE) for the treatment of esophageal squamous cell carcinoma (ESCC). METHODS: A total of 105 patients who underwent RE (n=62) or TE (n=43) due to ESCC were included in this study. Early postoperative outcomes and long-term survivals between the two groups were compared. RESULTS: The RE and TE groups were comparable in preoperative clinical characteristics. Total operation times were not significantly different between the two groups (490 minutes in RE vs. 458 minutes in TE; P=0.118). The total number of dissected lymph nodes was significantly greater in the RE group (37.3+/-17.1 vs. 28.7+/ 11.8; P=0.003), and intergroup differences were significant for numbers of lymph nodes dissected from the upper mediastinum (10.7+/-9.7 in RE vs. 6.3+/-9.3 in TE; P=0.032) and the abdomen (12.2+/-8.7 in RE vs. 7.8+/-7.1 in TE; P=0.007). Five year overall survival was not different between the two groups (69% in RE and 59% in TE; P=0.737). CONCLUSIONS: Better quality lymphadenectomy could be achieved in RE although survival benefit was not clear. Prospective randomized studies comparing the RE and TE are necessary. PMID- 27867560 TI - Should primary tumor be resected for non-small cell lung cancer with malignant pleural disease unexpectedly found during operation?-a systemic review and meta analysis. AB - BACKGROUND: Non-small cell lung cancer (NSCLC) with malignant pleural disease (MPD) was considered to be contraindication for surgery, but sometimes MPD was unexpectedly found intraoperatively. There was no consensus on the role of surgical intervention on the primary tumor in patients with MPD. The object of this research was to assess whether exairesis of primary tumor could prolong survival time. METHODS: A systemic research of literature was performed on the databases of PubMed, Embase and Web of Science. Literatures examining surgical benefit or other prognostic factors among NSCLC patients with MPD unexpectedly found during operations were included. Hazard ratio (HR) with 95% confidence interval (95% CI) as well as P value is applied for prognostic role of surgical removal or other potential factors. RESULTS: Nine articles with a total number of 861 patients fulfilled the eligibility criteria, five of them compared the survival benefit between exploration and resection among NSCLC patients with unexpected MPD, and other studies also investigated the prognostic factors in these patients. There was a significant survival benefit in patients with primary tumor resection (HR =0.443; 95% CI: 0.344-0.571; P<0.001). This role was further detected when stratified by analysis method and ethnicity. Female was an independent favorable predicted factor (HR =0.788; 95% CI: 0.648-0.959; P=0.017) while higher N-stage was a risk factor (HR =1.879; 95% CI: 1.307-2.701; P=0.001). Among patients who received primary tumor resection, higher N-stage was also a risk factor for poorer survival (HR =2.021; 95% CI: 1.496-2.730; P<0.001). CONCLUSIONS: Resection of primary tumor, female and lower-N stage were suggested to be beneficial prognostic factor among NSCLC patients who were detected with MPD for the first time in the operating room. And among these people who received surgical removal of primary tumor, lower N-stage also indicated a better survival. PMID- 27867562 TI - Analysis of risk factors for and the prognosis of postoperative acute respiratory distress syndrome in patients with Stanford type A aortic dissection. AB - BACKGROUND: To explore the risk factors for and the prognosis of postoperative acute respiratory distress syndrome (ARDS) in patients with Stanford type A aortic dissection (AD). METHODS: This retrospective nested case-control study included 527 Stanford type A AD patients who were divided into ARDS groups and non-ARDS groups. The clinical features of the groups were examined. RESULTS: The fifty-nine patients in the ARDS group exhibited extended durations of cardiopulmonary bypass (CPB) (P=0.004), deep hypothermic circulatory arrest (DHCA) (P=0.000), ventilator support (P=0.013) and intensive care unit (ICU) stay (P=0.045), higher hospital costs (P=0.000), larger perioperative transfusions volumes [red blood cells (RBC): P=0.002, platelets (PLT): P=0.040, fresh frozen plasma (FFP): P=0.001], more frequent pulmonary infection (P=0.018) and multiple organ dysfunction syndrome (MODS) (P=0.040) and a higher rate of in-hospital mortality (P=0.020). The ARDS group exhibited worse statuses in terms of oxygenation index (OI) values (P=0.000) and Apache II scores (P=0.000). DHCA [P=0.000, odds ratio (OR) =2.589] and perioperative transfusion (RBC: P=0.000, OR =2.573; PLT: P=0.027, OR =1.571; FFP: P=0.002, OR =1.929) were independent risk factors for postoperative ARDS. The survival rates and median survival times after discharge were similar between the two groups (P=0.843). CONCLUSIONS: DHCA duration and perioperative transfusion volume were independent risk factors for postoperative ARDS which warrants greater attention by the cardiac surgeons. PMID- 27867563 TI - Single-port video-assisted thoracic surgery in the treatment of non-small cell lung cancer: a propensity-matched comparative analysis. AB - BACKGROUND: Video-assisted thoracic surgery (VATS)-assisted lobectomy is widely used to treat non-small cell lung carcinoma (NSCLC). There are no reports concerning the comparison between single-port VATS and two-port VATS in treating NSCLC. This study aimed to compare the perioperative and short-term follow-up results between these two methods for treating NSCLC. METHODS: A retrospective surgical evaluation of patients undergoing either single-port VATS or two-port VATS for NSCLC between January 2013 and June 2015 was conducted. The propensity score (PS) matching method was used to reduce selection bias by creating two groups. After generating the PSs, 1:1 ratio and nearest-neighbor score matching was completed. The primary outcome measures were surgical time, blood loss, drainage time, length of hospital stay, postoperative pain score and patient satisfaction score. The data were analyzed statistically with P<0.05 defined as statistically significant. RESULTS: Of the 143 patients who met the inclusion criteria, 66 (46.2%) were operated on using two-port VATS and 77 (53.8%) using single-port VATS. After 1-to-1 PS matching, 63 pairs were selected. Both groups were well balanced for age, gender, body mass index, pulmonary function, preoperative comorbidity, tumor size and tumor type. The single-port VATS group had less blood loss, less postoperative pain, and a higher satisfaction score than those in the two-port VATS group, with statistical significance. Postoperative complications occurred in 2 (2/63, 3.2%) patients in the single port VATS group and 6 (6/63, 9.5%) patients in the two-port VATS group, not a significant difference. No deaths occurred during the follow-up period. CONCLUSIONS: A single-port VATS-assisted lobectomy is suggested to be safe and feasible for treating NSCLC. Compared with two-port VATS, single-port VATS has many advantages, including reduced blood loss, less postoperative pain and a higher satisfaction score. PMID- 27867564 TI - Psychological impact of revealing a diagnosis of lung cancer to patients in China. AB - BACKGROUND: In conventional Chinese culture, awareness of a malignant disease is believed to increase a patient's psychological pressure, leading to anxiety or depression. But this notion is in conflict with the patient's right to receive information about their own disease. METHODS: This study is to investigate whether disclosure of diagnosis increases the level of anxiety or depression in patients diagnosed with lung cancer. Seventy patients who underwent lung resection and diagnosed with lung cancer postoperatively were divided into two groups-the disclosed group (n=35) and the undisclosed group (n=35), depending on the awareness of their diagnosis, as decided by their consigned family members. All patients were asked to fill in a form to evaluate their level of anxiety and depression before discharge. RESULTS: Disclosure of diagnosis did not affect the degree of anxiety or depression in patients with lung cancer (P>0.05). Age <=50, relatively more advanced stage (stage II as compared with stage I) of disease, extensive surgery and major postoperative complication were risk factors of anxiety (P<0.05). Major postoperative complication was the only risk factor of depression (P<0.05). CONCLUSIONS: Disclosure of diagnosis to patients with lung cancer does not induce or aggravate anxiety or depression in modern Chinese population. Factors such as complications, age, stage of disease and extent of surgery do have psychological impacts on patient with lung cancer. PMID- 27867565 TI - Changes in cholesterol level correlate with the course of pulmonary nontuberculous mycobacterial disease. AB - BACKGROUND: Nutritional assessment is important in patients with pulmonary nontuberculous mycobacterial (PNTM) disease. The therapeutic effect of a cholesterol-rich diet in tuberculosis (TB) patients has been demonstrated, but the role of cholesterol in PNTM disease is unclear. This study evaluated the sequential changes in nutritional markers, including cholesterol, total lymphocyte count and visceral fat volume, according to the PNTM disease course. METHODS: This was an age-, sex- and number of comorbid diseases-matched case control analysis of 89 patients with PNTM disease and 356 controls, who were participants in a Korean national survey. RESULTS: The median body mass index (BMI) and cholesterol level in the PNTM group [BMI =19.7 kg/m2; interquartile range (IQR): 17.8-21.6; cholesterol: 159 mg/dL; IQR, 135-185] were lower than those in controls (BMI: 23.1 kg/m2; IQR, 21.3-25.3; cholesterol: 188 mg/dL; IQR, 164-217; both P<0.001). In a multivariate analysis, Age more than 70 years (OR =3.38; 95% CI: 1.13-10.15, P=0.029), BMI <19.5 kg/m2 (OR =5.09; 95% CI: 1.67 15.48; P=0.004) and cavitary lesions (OR: 3.86; 95% CI: 1.30-11.47; P=0.015) were independently associated with extensive pulmonary lesions involving more than four lobes. The total cholesterol level, total lymphocyte count showed a tendency to decrease in PNTM patients with disease progression (both, P value <0.05), but not in those with a stable disease course. A decrease in cholesterol concentration of >20 mg/dL and a decrease in lymphocyte count more than 200/uL were predictive factors for disease progression (cholesterol: OR =10.50, 95% CI: 2.51-43.98, P=0.001; lymphocyte count: OR =5.32, 95% CI: 1.46-19.35, P=0.011). CONCLUSIONS: These findings suggest that the change in cholesterol level may be a marker of disease progression in patients with PNTM disease. PMID- 27867566 TI - Effectiveness of temporary positive expiratory pressure (T-PEP) at home and at hospital in patients with severe chronic obstructive pulmonary disease. AB - BACKGROUND: Temporary positive airway pressure (T-PEP) is a tool recently introduced in the treatment of chronic obstructive pulmonary disease (COPD) or bronchiectasis. It demonstrated encouraging results also in severe COPD patients. The aim of this study is verify if adding T-PEP to best bronchodilator therapy both in clinic and home administering could reduce disease exacerbations and improve lung function in patients with severe COPD. METHODS: A total of 142 patients with severe COPD (FEV1 <50%) were enrolled; 120 were randomized in three groups: a group treated with T-PEP at home, a group with T-PEP at hospital and a group with medical therapy only (control group). Number of acute exacerbations COPD (AECOPD) after 1 month and 3 months were the primary outcomes. Secondary outcomes were changes in respiratory function parameters (FVC, FEV1, TLC, RV), arterial blood gases, dyspnea and health status assessment scales (Modified Medical Research Council (MMRC), Breathlessness, Cough and Sputum scale (BCSS) and COPD Assessment Test (CAT). The time of daily use of the T-PEP was registered as well as its acceptance using a Likert scale. RESULTS: Ninety-nine patients completed the study. Both the groups who used T-PEP showed a statistical lower number of AECOPD after 1 month and 3 months (P<0.01). Some respiratory functional parameters improved in the two groups treated with T-PEP (FVC, FEV1, RV) (P<0.02) and dyspnea and health status assessment scales (MMRC, BCSS, CAT) (P<0.04; P<0.01; P<0.009). The time of daily using was similar in the two T-PEP groups. Patients treated at home showed a greater acceptance than those treated at hospital (Likert scale 4.7 vs. 5.9) (P<0.01). CONCLUSIONS: Patients treated with T-PEP showed a lower number of AECOPD. T-PEP improves functional respiratory parameters and improves dyspnea and health status assessment scales. No adherence difference in hospital and home treatment was found. Patients preferred home treatment. PMID- 27867567 TI - Influence of old pulmonary tuberculosis on the management of secondary spontaneous pneumothorax in patients over the age of 70 years. AB - BACKGROUND: This study aimed to investigate the treatment outcomes and influence of old pulmonary tuberculosis (TB) in elderly patients (over 70 years) with secondary spontaneous pneumothorax (SSP). METHODS: A retrospective analysis was performed on patients with SSP between January 2002 and December 2014. Treatment outcomes including chest tube duration (CTD), type and complication of surgery, recurrence and survival rate were obtained from the review of medical records and analyzed statistically. RESULTS: Two hundred and sixteen consecutive cases were recruited. Of these, 134 (62.0%) did not have old pulmonary TB [non-tuberculosis (NTB) group], and the other 82 (38.0%) had experienced pulmonary TB (TB group). More thoracoscopic surgeries had been performed in the NTB group (P=0.038). More postoperative complications developed in the TB group (P=0.038). Total CTD and postoperative CTD in the TB group were significantly longer (P=0.015 and 0.030, respectively). However, recurrence-free survival and overall survival rate were not significantly different between the TB and NTB groups. CONCLUSIONS: Old pulmonary TB in elderly patients with SSP made their treatment more complicated. However, surgery might be considered in highly selected patients regardless of old pulmonary TB, and could be conducted with acceptable morbidity and mortality. PMID- 27867569 TI - Does 11.5 mm guided single port surgery has clinical advantage than multi-port thoracoscopic surgery in spontaneous pneumothorax? AB - BACKGROUND: Video-assisted thoracoscopic surgery (VATS) has been widely used for spontaneous pneumothorax (SP). In recent years, thoracic surgeons have attempted single incision or single port surgery with the development of surgical technology and skills. Theoretically, single port surgery is expected to provide benefits such as less pain and early recovery. The purpose of this study was to determine the benefits of single port surgery in SP. METHODS: The 107 patients with SP who underwent surgery, between July 2013 and May 2015, were reviewed retrospectively. The patients with secondary pneumothorax, who underwent open procedures and lacking of medical records were excluded. Visual analog scale (VAS), paresthesia and clinical outcomes were reviewed in 86 patients (46 patients: three-port, 40 patients: 11.5 mm guided single-port). RESULTS: The mean age was 23.4 years in three-port and 22.4 in single-port (P=0.247). The height and body weight were not significantly difference between two groups. The mean operation time was 39 minutes (mins) in the three-port and 37.3 mins in the single port without statistical difference (P=0.204). The pain score in the single port surgery was significantly lower after postoperative day (POD) 1 (P=0.028). However chest tube duration time was significantly shorter in the single port group (P<0.001). After exclusion of the patients with chest tube removal within postoperative 1 day, the pain score was not significantly different at the POD 1 between two groups (P=0.176). The pain score between two groups were not different at 1 week after discharge. CONCLUSIONS: The pain score reduction was found 1 day after operation in the single port group. However, the chest tube duration time was significantly shorter in the single port group and the pain score was not different at 1 week after discharge. Considering young age in primary SP, the benefit of single port surgery in SP was minimal. PMID- 27867570 TI - Small cervical incision facilitates minimally invasive resection of non-invasive thoracic inlet tumor. AB - BACKGROUND: A challenge for resection of thoracic inlet tumors lies in that high risk of injuring vital blood vessels and brachial plexus still exists during the resection. And the standard surgical approach for resection of thoracic inlet tumors has not yet been well established. METHODS: Small cervical incision assisted minimally invasive surgical technique was developed and carried out in patients with non-invasive thoracic inlet tumor in our department. RESULTS: We successfully performed the small cervical incision-assisted minimally invasive surgery in two patients with thoracic inlet tumors. The thoracic inlet tumors of the two patients were removed completely without any postoperative complications, and the patients achieved quick rehabilitation after surgery. This combined approach compensates the blind area of thoracoscope in visualizing the superior end of thoracic inlet tumors, and thus enables us to complete the resection safely and confidently. CONCLUSIONS: Small cervical incision did facilitate the minimally invasive resection of non-invasive thoracic inlet tumor. Hopefully, this combined approach of video-assisted thoracoscopic surgery (VATS) with small cervical incision could be widely utilized in resecting thoracic inlet tumors by general thoracic surgeon. PMID- 27867568 TI - The overexpression of KIFC1 was associated with the proliferation and prognosis of non-small cell lung cancer. AB - BACKGROUND: The kinesin family member C1 (KIFC1, also known as HSET) is a kinesin superfamily protein (KIFs). Although KIFC1 acts as a crucial role in the development of several human cancers, the KIFC1 expression profile and functional remain unclear in non-small cell lung cancer (NSCLC). METHODS: We collected the fresh NSCLC samples and paired normal lung tissue in patients with lung cancer operation, and detected KIFC1 expression using quantitative reverse-transcription polymerase chain reaction (qRT-PCR) and Western blotting. To expand on previous smaller-scale studies, NSCLC tissue microarrays (TMA) were analyzed by IHC. Finally, cell lines were employed to further probe the potential mechanisms. RESULTS: In this study, we described that KIFC1 was significantly upregulated in NSCLC tissues compared with the corresponding normal tissues. Moreover, KIFC1 overexpression was associated with the poor overall survival (OS) of NSCLC patients, and siRNA-mediated knockdown of KIFC1 significantly suppressed tumor cell proliferation in vitro. Further verification showed that inhibition of KIFC1 gene expression caused the upregulation of the cyclin-dependent kinases inhibitor p21 and downregulation of the cell cycle driver protein cdc2, which arrested cells in the G2-M phase. CONCLUSIONS: we report that increased KIFC1 expression may promote cell proliferation and identified it as a biomarker of unfavorable prognosis in NSCLC patients. PMID- 27867571 TI - Role of oxidative stress and outcome of various surgical approaches among patients with bullous lung disease candidate for surgical interference. AB - BACKGROUND: Bullous lung disease is characterized by formation of blebs, bullae and emphysema. We investigate the role of oxidative stress in the pathogenesis of bullous lung disease and compare between conventional thoracotomy versus video assisted thoracoscopic approach in surgical management of such patients. METHODS: This study was a prospective case control study and it was carried out on 21 patients (16 males and 5 females) with bullous lung disease selected as candidate for surgical interference. This was in addition to 21 apparently healthy age and sex matched subjects selected as control group. Plasma levels of alpha1 antitrypsin were estimated using commercially available ELISA assay kit, while plasma levels of malondialdehyde (MDA), beta-carotene, vitamin A, vitamin C and vitamin E were estimated using spectrophotometric methods. Conventional thoracotomy approach was done in thirteen patients, while, videothoracoscopic approach was done in eight patients. RESULTS: There were significant higher plasma levels of MDA (P<0.001) and lower plasma levels of beta-carotene (P<0.01), vitamin A, vitamin C and vitamin E (P<0.001 for each) among patients with bullous lung disease when compared with the control group. There was non-significant difference regarding the air leakage and the hospital stay among patients with bullous lung disease who managed via conventional thoracotomy approach when compared with those managed via videothoracoscopic approach. CONCLUSIONS: This study proves that the oxidative stress plays an important role in the pathogenesis of bullous lung disease. Also there are no significant outcome differences between conventional thoracotomy versus video assisted thoracoscopic approach in surgical treatment of such patients. PMID- 27867572 TI - The efficacy of specific neuromodulators on human refractory chronic cough: a systematic review and meta-analysis. AB - BACKGROUND: There have been several published reports on the use of orally administered, specific centrally acting medicines for the treatment of idiopathic cough; however, there is no extant systematic review of randomized controlled trials (RCTs) that evaluated their efficacy and safety for the treatment of idiopathic cough in human beings. METHODS: We conducted a series of definitive systematic reviews and meta-analyses of RCTs. Claims data from the MEDLINE, EMBASE, LILACS, CBM, CNKI, VIP, Wan Fang, and Cochrane Library databases were used. We also reviewed articles and reference lists of relevant articles pertaining to human subjects published prior to March 26, 2016. No language restrictions were imposed. Two authors independently reviewed the titles and abstracts of the retrieved studies, which were matched using Review Manager 5.3 software. Disagreements were resolved by consensus. The outcome data were the number of subjects whose symptoms declined, measured by cough or Leicester Cough Questionnaire (LCQ) score. Random effect meta-analyses were used to pool the findings. Publication bias was assessed using funnel plots. RESULTS: Three RCTs, regarding the medicines baclofen, amitriptyline, and gabapentin, were conducted involving 92 persons in total. Our reviews confirmed that baclofen, amitriptyline, and gabapentin show promise in the treatment of cough for select cases of refractory chronic cough. After-treatment relief of cough symptoms was significant (risk ratio =2.41; 95% CI: 1.15-5.04, n=84). Each of the medicines was well tolerated with minimal side effects. Methodological biases in the design and execution of cluster randomized trials might contribute to any selection bias in this review. CONCLUSIONS: Baclofen, amitriptyline, and gabapentin may be effective 'non-specific' antitussives in clinical settings, although none of them are used in medical assessments or routinely included in the anatomic diagnostic protocol. PMID- 27867573 TI - "Ipsilateral, high, single-hand, sideways"-Ruijin rule for camera assistant in uniportal video-assisted thoracoscopic surgery. AB - Camera assistant plays a very important role in uniportal video-assisted thoracoscopic surgery (VATS), who acts as the eye of the surgeon, providing the VATS team with a stable and clear operating view. Thus, a good assistant should cooperate with surgeon and manipulate the camera expertly, to ensure eye-hand coordination. We have performed more than 100 uniportal VATS in the Department Of Thoracic Surgery in Ruijin Hospital. Based on our experiences, we summarized the method of holding camera, known as "ipsilateral, high, single-hand, sideways", which largely improves the comfort and fluency of surgery. PMID- 27867574 TI - Non-grasping en bloc mediastinal lymph node dissection through uniportal video assisted thoracic surgery for lung cancer surgery. AB - Uniportal video-assisted thoracic surgery (VATS) has been demonstrated to be feasible, safe, and effective for lung cancer surgery compared with traditional multi-portal VATS. However, complete mediastinal lymph node dissection (MLND) through uniportal VATS is still a difficult work due to more limited access, and most thoracic surgeons use strategies of grasping, accompanied with which are complicated instrumentation and mutual interference among them. To simplify the instrumentation and make MLND more comfortable, we developed the method of "non grasping en bloc MLND" and applied it during uniportal VATS lung cancer surgery. Two main instruments (suction and energy devices) were developed with diversified use. And only the two instruments were used during MLND following the strategy of "non-grasping". This technique incorporates with several advantages, such as: simplified instrumentation, decreased risk of damages to lymph nodes, and en bloc dissection. Considering the limited access, this technique fits well with the uniportal procedure and truly interprets the concept of "less is more" during uniportal VATS MLND. PMID- 27867575 TI - Stepwise approaches to optimize strategy for holding thoracoscope during single port video-assisted thoracoscopic surgery. AB - Coordination between the thoracoscope assistant and the surgeon was difficult during single port video-assisted thoracoscopic surgery (SP-VATS). What's more, holding the thoracoscope was an exhausting work for the assistant and optimized strategies were intensely needed. This paper aims to share our experience in making the thoracoscope assistant feel comfortable by illustrating the stepwise approaches in optimizing the strategies for holding the thoracoscope during our practice of SP-VATS. The evolution of techniques were divided into four stages: stage I, traditional 10-mm 30 degrees thoracoscope placed at the posterior part of the incision; stage II, 5-mm thoracoscope towed and fixed via a silk suture; stage III, 5-mm thoracoscope placed outside of a plastic wound protector; stage IV, 5-mm thoracoscope introduced into the thoracic cavity through a 5-mm laparoscopic trocar outside of a plastic wound protector and the assistant stood at a foot-stool. After stepwise improvement, the thoracoscope assistant felt more labor saving and comfortable, and coordination with the surgeon has become smoother. PMID- 27867576 TI - Resection with preserved histologic morphology of a rare tumour via bronchoscopic cryosurgery. AB - Tracheobronchial leiomyoma is a rare pulmonary neoplasm accounting for <2% of benign tumours of the lower airway. Published case series reported bronchoscopic resectability with laser ablation for lesions located in the large airway. Surgery was performed for tumours with wide-based and tumours located in segmental bronchus or lung parenchyma. This is the first reported case of complete bronchoscopic cryoresection of leiomyoma arising from the subsegmental bronchi and illustrating the cryopreservation of its histologic morphology. A 55 year-old Chinese male who was a life-long non-smoker presented with chronic cough, left-sided chest pain and loss of weight. Chest radiograph showed left lower lobe (LLL) collapse, with the accompanying computed tomography scan of the thorax showing a non-enhancing soft tissue lesion in the LLL bronchus. Rigid bronchoscopy was performed, with rigid forceps resection followed by cryosurgery of the tumour to its base. Histology was consistent with a primary bronchial leiomyoma. Surveillance bronchoscopy performed 6 months later revealed no tumour recurrence. The patient also had complete resolution of his symptoms. Cryosurgery is a promising treatment modality, in complement with conventional forceps resection, for benign airway neoplasms. PMID- 27867577 TI - When continuous positive airway pressure (CPAP) fails. AB - Obstructive sleep apnoea (OSA) is increasingly prevalent, particularly in the context of the obesity epidemic, and is associated with a significant social, health and economic impact. The gold standard of treatment for moderate to severe OSA is continuous positive airway pressure (CPAP). However compliance rates can be low. Methodology to improve patient tolerance to CPAP alongside with alternative, non-surgical and surgical, management strategies are discussed. All patients that fail CPAP therapy would benefit from formal upper airway evaluation by the otolaryngologist to identify any obvious causes and consider site-specific surgical therapies. Patient selection is integral to ensuring successful outcomes. A multidisciplinary team is needed to manage these patients. PMID- 27867579 TI - Three-field lymph node dissection in treating the esophageal cancer. AB - There are many controversies in lymphadenectomy for thoracic esophageal cancer, and whether 3-field lymphadenectomy or 2-field lymphadenectomy is better have still been in doubt. The aim of this article is to review the role of the lymph node dissection by introducing the merits and demerits in 3-field lymphadenectomy, and the development in lymphadenectomy's selection, treatment and diagnosis. All the literatures related to esophageal lymphadenectomy and minimally invasive surgery (MIE) were searched in PubMed database and the cross references were added and reviewed to complete the reference list. Several researches elucidated that better overall survival (OS) in patients with esophageal cancer after 3-field lymphadenectomy had been reported worldwide, and 3-field lymphadenectomy is more suitable for treating esophageal cancer with cervical and/or upper mediastinal lymph nodes metastasis than 2-field lymphadenectomy regardless of the tumor's histology and location. Many approaches based on the characteristics of esophageal cancer lymph node metastasis are taken to improve the accuracy of 3-field lymphadenectomy and decrease the postoperative morbidity and mortality, while every approach needs further studies to demonstrate its feasibility. The benefits of the recently rapid-developed techniques performed in treating esophageal cancer: the MIE and the robotic assisted thoracoscopic esophagectomy are illuminated as well, and both of them are technically safe and feasible for esophageal cancer, whereas further evaluations are still necessary. PMID- 27867578 TI - Relationships between chronic obstructive pulmonary disease and lung cancer: biological insights. AB - Lung cancer (LC) has become one of the leading causes of preventable death in the last few decades. Cigarette smoking (CS) stays as the main etiologic factor of LC despite that many other causes such as occupational exposures, air pollution, asbestos, or radiation have also been implicated. Patients with chronic obstructive pulmonary disease (COPD), which also represents a major cause of morbidity and mortality in developed countries, exhibit a significantly greater risk of LC. The study of the underlying biological mechanisms that may predispose patients with chronic respiratory diseases to a higher incidence of LC has also gained much attention in the last few years. The present review has been divided into three major sections in which different aspects have been addressed: (I) relevant etiologic agents of LC; (II) studies confirming the hypothesis that COPD patients are exposed to a greater risk of developing LC; and (III) evidence on the most relevant underlying biological mechanisms that support the links between COPD and LC. Several carcinogenic agents have been described in the last decades but CS remains to be the leading etiologic agent in most geographical regions in which the incidence of LC is very high. Growing evidence has put the line forward the implications of COPD and especially of emphysema in LC development. Hence, COPD represents a major risk factor of LC in patients. Different avenues of research have demonstrated the presence of relevant biological mechanisms that may predispose COPD patients to develop LC. Importantly, the so far identified biological mechanisms offer targets for the design of specific therapeutic strategies that will further the current treatment options for patients with LC. Prospective screening studies, in which patients with COPD should be followed up for several years will help identify biomarkers that may predict the risk of LC among these patients. PMID- 27867580 TI - Understanding and managing in-stent restenosis: a review of clinical data, from pathogenesis to treatment. AB - The lumen diameter reduction after percutaneous coronary intervention (PCI) is well known as "restenosis". This phenomenon is due to vessel remodeling/recoil in case of no-stent strategy or, in case of stent employ, "neointimal proliferation" that consists in an excessive tissue proliferation in the luminal surface of the stent otherwise by a further new-occurring atherosclerotic process called "neoatherosclerosis". The exact incidence of in-stent restenosis (ISR) is not easy to determine caused by different clinical, angiographic and operative factors. In the pre-stent era the occurrence of restenosis ranged between 32-55% of all angioplasties, and drop to successively 17-41% in the bare metal stents (BMS) era. The advent of drug-eluting stent (DES), especially 2nd generation, and drug-coated balloon (DCB) further reduce restenosis rate until <10%. We here review the main characteristics of this common complication of coronary interventions, from its pathogenesis to the most appropriate treatment strategy. PMID- 27867581 TI - The diseases of airway-tracheal diverticulum: a review of the literature. AB - Tracheal diverticulum (DV) is a type of paratracheal air cyst (PTAC) that is often asymptomatic and usually detected incidentally by imaging methods. Tracheal DV are divided into two subgroups: congenital and acquired. Dysphagia, odynophagia, neck pain, hoarseness, hemoptysis, choking, and recurrent episodes of hiccups and burping can also be seen in symptomatic patients. Thin-section multidetector computed tomography (MDCT) is useful for diagnosis of tracheal diverticulum. The relationship between DV and tracheal lumen can be demonstrated by axial, coronal, and sagittal reformat multiplanar images. Bronchoscopy can also be used in diagnosis for tracheal DV. However, the connection between DV and tracheal lumen can not be shown easily with bronchoscopy. Conservative treatment is the preferred treatment in asymptomatic patients. Surgical or conservative treatment can be performed for symptomatic patients, depending on patient age and physical condition. PMID- 27867582 TI - Central airway tumors: interventional bronchoscopy in diagnosis and management. AB - The diagnosis of central airway tumors is usually challenging because of the vague presentations. Advances in visualization technology in bronchoscopy aid early detection of bronchial lesion. Cryotechnology has great impact on endobronchial lesion sampling and provides better diagnostic yield. Airway tumor involvements result in significant alteration in life quality and lead to poor life expectancy. Timely and efficiently use ablation techniques by heat or cold energy provide symptoms relief for central airway obstruction. Prostheses implantation is effective in maintaining airway patency after ablative procedure or external compression. Combined interventional bronchoscopy modalities and other adjunctive therapies have improvement in quality of life and further benefit in survival. This review aims to provide a diagnostic approach to central airway tumors and an overview of currently available techniques of interventional bronchoscopy in managing symptomatic central airway obstruction. PMID- 27867584 TI - Birt-Hogg-Dube syndrome accompanied by pulmonary arteriovenous malformation. AB - A 25-year-old male with Birt-Hogg-Dube (BHD) syndrome who developed hemothorax caused by ruptured of pulmonary arteriovenous malformation was reported. The patient was admitted to the hospital due to chest pain. A chest X-ray showed pleural fluid in his left lung, and a chest CT showed the presence of a tumor with enhanced contrast in the lower left lobe of approximately 5 cm in a diameter. Pleural fluid was collected by tap and indicated the presence of blood; therefore, hemothorax was suspected. Thoracoscopic surgery was performed to remove the mass for homostasis. Pathological findings indicated that the resected tumor-like lesion was an intrapulmonary hematoma, and aggregated vascular vessels of various diameters forming incomplete media elastic lamina was observed around the hematoma; therefore, it was diagnosed as pulmonary arteriovenous malformation. Family history of the patient indicated the presence of pneumothorax and malignant diseases, and the patient presented with papules and multiple pulmonary cysts. The genetic test revealed a deletion of exon 11 of the BHD gene; therefore, the patient was diagnosed with BHD syndrome. This report is the first to describe BHD syndrome accompanied by pulmonary arteriovenous malformation. PMID- 27867583 TI - Acute respiratory distress syndrome after cardiac surgery. AB - Acute respiratory distress syndrome (ARDS) is a leading cause of postoperative respiratory failure, with a mortality rate approaching 40% in the general population and 80% in the subset of patients undergoing cardiac surgery. The increased risk of ARDS in these patients has traditionally been associated with the use of cardiopulmonary bypass (CPB), the need for blood product transfusions, large volume shifts, mechanical ventilation and direct surgical insult. Indeed, the impact of ARDS in the cardiac population is substantial, affecting not only survival but also in-hospital length of stay and long-term physical and psychological morbidity. No patient undergoing cardiac surgery can be considered ARDS risk-free. Early identification of those at higher risk is crucial to warrant the adoption of both surgical and non-surgical specific preventative strategies. The present review focuses on epidemiology, risk assessment, pathophysiology, prevention and management of ARDS in the specific setting of patients undergoing cardiac surgery. PMID- 27867585 TI - Successful treatment of suspected organizing pneumonia in a patient with Middle East respiratory syndrome coronavirus infection: a case report. AB - A 54-year-old man with Middle East respiratory syndrome coronavirus (MERS-CoV) infection was transferred to our hospital. We initiated anti-viral drugs and supportive care. The patient's fever and chills disappeared 3 days after admission and the results of serial follow-up reverse transcription-polymerase chain reaction testing for MERS-CoV was negative soon thereafter. He was discharged from the hospital 14 days after admission with no symptoms; however, he presented with a fever 7 days after discharge and was re-hospitalized. Chest radiographs showed newly developed consolidative opacity. His fever persisted for 3 days after commencing empirical antibiotics. Subsequent contrast-enhanced computed tomography (CT) of the chest showed focal patchy airspace consolidation and ground-glass opacities (GGOs) in a subpleural lesion of the right lower and left upper lobes, which was indicative of organizing pneumonia. We initiated empirical corticosteroid treatment for this illness, and his fever markedly subsided 1 day later. A chest radiograph showed improvement in the lung lesions, and he was discharged from the hospital 10 days after re-admission. The corticosteroid dose was gradually tapered over 2 months at the outpatient clinic, and a follow-up CT scan showed complete resolution of the consolidation and GGOs. PMID- 27867586 TI - Autofluorescence imaging bronchoscopy as a novel approach to the management of tracheobronchopathia osteochondroplastica: a case report. AB - Tracheobronchopathia osteochondroplastica (TO) is not only rare but also presents highly varied and unpredictable clinical manifestations. Consequently, the management and treatment strategies remain unclear. An accurate evaluation tool is important for the management of individual patients in the absence of standard guidelines. Although bronchoscopy is the gold standard for diagnosis, it cannot satisfactorily detect the treatment response and disease progression because subtle mucosal changes can go undetected. Therefore, improved techniques that can detect subtle mucosal changes associated with TO are desirable. Autofluorescence imaging bronchoscopy (AFI) is a recently introduced advanced endoscopic technology that can detect subtle mucosal changes with the aid of different colors. Here we report the first case, to the best of our knowledge, involving a 42-year-old man with TO in whom tracheal involvement was evaluated by AFI and detected as the appearance of a magenta color. PMID- 27867587 TI - Acute chest pain in a triathlete: rupture of the noncoronary sinus of Valsalva into the right ventricle. AB - Sinus of Valsalva (SoV) aneurysm is a rare cardiac disease which can be congenital or acquired. A ruptured SoV aneurysm presents a clinical emergency and can lead to progressively deteriorating heart failure. Therefore, appropriate treatment requires prompt and accurate diagnosis. Most ruptured or nonruptured SoV aneurysms are diagnosed by the means of echocardiography. However, cardiovascular magnetic resonance (CMR) can provide information on precise anatomy and mechanisms due to its excellent soft tissue contrast and high resolution, and thereby allows for optimized preoperative planning of the repair strategy. In the present case, we demonstrate the benefit of CMR in emergency settings. PMID- 27867588 TI - An unusual case of incomplete Carney triad: an 18-year-old girl suffering from multiple benign tumors. AB - Carney triad is a rare syndrome that involves gastrointestinal stromal tumor (GIST), pulmonary chondroma and extra-adrenal paraganglioma. Patients presenting GIST and pulmonary chondroma account for 72.7% of all incomplete Carney triad cases. Clinically, it is mainly diagnosed by radiological images and pathological results. Some studies have elucidated the pathogenesis of Carney triad. Surgical resection is the preferred treatment for Carney triad. Generally speaking, the prognosis of patients with Carney triad has been satisfied. According to current reports, the rate of 40-year survival is up to 73%. The case reports an 18-year old girl suffering from pulmonary chondroma and posterior mediastinal paraganglioma, simultaneously with pulmonary hamartoma, breast fibroma and lower limb chondroma. PMID- 27867589 TI - Bruton's agammaglobulinemia in an adult male due to a novel mutation: a case report. AB - X-linked agammaglobulinemia (XLA) is caused by mutation in the gene coding for Bruton's tyrosine kinase (BTK), which impairs peripheral B cell maturation and hypogammaglobulinemia. In this report, we present a case of XLA in a 22-year-old adult male. Genetic testing revealed a novel mutation located at the conserved region (c.383T>C). The patient had a history of recurrent respiratory tract infection which eventually progressed to chronic type II respiratory failure. Several pathogenic bacteria were isolated on culture of respiratory secretions obtained on bronchoscopy. The patient improved on treatment with antibiotics. PMID- 27867590 TI - Prosthetic valve endocarditis after transcatheter aortic valve implantation diagnostic and surgical considerations. AB - Prosthetic valve endocarditis (PVE) after transcatheter aortic valve implantation (TAVI) or surgical aortic valve replacement (SAVR) is a potential life threatening complication. Better understanding of the incidence, predictors, clinical presentation, diagnostic measures, complications and management of PVE may help improve TAVI long-term outcome. We report a case of TAVI-PVE in an 80 year-old high risk patient in whom SAVR was successfully performed. We have reviewed literature regarding TAVI-PVE. PMID- 27867591 TI - Anastomotic leak: an early complication with potentially long-term consequences. PMID- 27867592 TI - How to deal with subcentimeter lung cancer: a moving target! PMID- 27867593 TI - Duration of dual antiplatelet therapy (DAPT): a call for personalized medicine. PMID- 27867594 TI - Onsite cardiac surgery standby during transcatheter aortic valve implantation: when and why. PMID- 27867595 TI - Significance of depression in family caregivers of critically ill patients discharged home. PMID- 27867596 TI - Does high-dose perioperative use of statins ameliorate acute kidney injury following cardiac surgery? PMID- 27867597 TI - From self-awareness to self-actualization: empowering sepsis survivors to a meaningful and enduring recovery. PMID- 27867598 TI - Timing of RRT initiation in critically-ill patients: time for precision medicine. PMID- 27867599 TI - Myocardial revascularization: do age and sex matter? PMID- 27867600 TI - Emerging strategies for the treatment of advanced small cell lung cancer. PMID- 27867601 TI - Efficacy and safety of nivolumab combined with standard therapies for first-line therapy of advanced non-small cell lung cancer. PMID- 27867602 TI - Lung cancer screening: not all nodules are created equal. PMID- 27867603 TI - Left atrial appendage exclusion for atrial fibrillation: does the protection from stroke prevail in the long-term? PMID- 27867604 TI - Best percutaneous coronary intervention approach for small caliber coronary arteries. PMID- 27867605 TI - Should we apply "early" initiation of renal replacement therapy to critically ill patients with acute kidney injury? PMID- 27867606 TI - Robotic assisted lung resection needs further evidence. PMID- 27867607 TI - Liquid biopsy in the practice of neo-oncology. PMID- 27867608 TI - Changes in biometry and cerebroplacental hemodynamics in fetuses with congenital heart diseases. PMID- 27867609 TI - Editorial on the article entitled "brigatinib efficacy and safety in patients with anaplastic lymphoma kinase (ALK)-positive non-small cell lung cancer in a phase I/II trial". PMID- 27867610 TI - Clinical efficacy of EGFR-TKIs in combination with chemotherapy in patients with advanced non-small cell lung cancer harboring EGFR mutations. PMID- 27867611 TI - High-flow nasal cannula oxygen therapy: more than a higher amount of oxygen delivery. PMID- 27867612 TI - New guidelines on duration of dual antiplatelet therapy in patients with coronary artery disease: what's the novelty? PMID- 27867613 TI - Implementing computed tomography-based lung cancer screening in the community. PMID- 27867614 TI - Anti-arrhythmics in out-of-hospital cardiac arrest: lessons from a randomized controlled trial. PMID- 27867616 TI - Measures of outcome in lung cancer screening: maximising the benefits. PMID- 27867615 TI - Current evidence in support of the second-generation anaplastic lymphoma kinase (ALK) tyrosine kinase inhibitor alectinib for the treatment of non-small cell lung cancer positive for ALK translocation. PMID- 27867617 TI - Bleeding in continuous flow left ventricular assist device recipients: an acquired vasculopathy? PMID- 27867618 TI - Bioresorbable scaffolds and drug-eluting balloons for the management of spontaneous coronary artery dissections. PMID- 27867619 TI - Editorial on the article entitled "the impact of intimal tear location and partial false lumen thrombosis in acute type b aortic dissection". PMID- 27867620 TI - Myocarditis with very high troponins: risk stratification by cardiac magnetic resonance. PMID- 27867621 TI - Von Willebrand factor, paravalvular leak, and a new vista for TAVR. PMID- 27867622 TI - Early enteral nutrition still has advantages in patients undergoing pancreaticoduodenectomy. PMID- 27867623 TI - The APPS: an outcome score for the acute respiratory distress syndrome. PMID- 27867624 TI - Immunotherapy and lung cancer: from therapeutic cancer vaccination to novel approaches. PMID- 27867625 TI - Coronary bifurcation lesions: is less more? PMID- 27867626 TI - Perspectives and implications of the new sepsis clinical practice guidelines. PMID- 27867627 TI - Endovascular stent graft repair of the ascending aorta-final frontier in the endovascular treatment of the aorta. PMID- 27867628 TI - Radiosensitivity in the breast cancer management scenario: another step forward? PMID- 27867629 TI - A novel function of IL-33: suppression of innate antiviral immunity. PMID- 27867630 TI - MELK kinase holds promise as a new radiosensitizing target and biomarker in triple-negative breast cancer. PMID- 27867631 TI - Optimizing the lung cancer screening interval: the world is waiting. PMID- 27867632 TI - The modest outcome of clinical trials with bone marrow cells for myocardial repair: is the autologous source of cells the prime culprit? PMID- 27867633 TI - A crucial first randomized controlled trial of thymectomy in non-thymomatous myasthenia gravis. PMID- 27867634 TI - Quality of life in adults with congenital heart disease: what matters? PMID- 27867635 TI - Efficacy of crizotinib in ALK fusion variants. PMID- 27867636 TI - Oligometastases to the liver: predicting outcomes based upon radiation sensitivity. PMID- 27867637 TI - Harnessing plasma genotyping for precision therapy against lung cancer. PMID- 27867639 TI - Using sound advice-intravascular ultrasound as a diagnostic tool. PMID- 27867638 TI - The appropriate use of risk scores in the prediction of atrial fibrillation. PMID- 27867640 TI - "The scaffolding must be removed once the house is built"-spontaneous coronary artery dissection and the potential of bioresorbable scaffolds. PMID- 27867641 TI - Role of adjuvant therapy in early-stage small-cell lung cancer: comment on a population-based cohort study of patients with early-stage small-cell lung cancer. PMID- 27867642 TI - More options, more considerations: how new treatment options influence clinical decision making. PMID- 27867643 TI - High salt diet and caffeine: food for thought. PMID- 27867644 TI - Contemporary drug-eluting stents and companion polymers: durable is not synonymous with harm. PMID- 27867645 TI - Management of screening-detected stage I lung cancer. PMID- 27867646 TI - Commentary on "Randomized trial of thymectomy in myasthenia gravis". PMID- 27867647 TI - The omentum flap for empyema treatment: indications and disadvantages. PMID- 27867648 TI - Firm evidence of complete revascularization with culprit and target vessel revascularization only after ST-segment elevation myocardial infarction. PMID- 27867649 TI - Minimising patient harm whilst gaining surgical proficiency. PMID- 27867650 TI - Reducing reintubation and postextubation respiratory failure: improving high-flow oxygen support performance. PMID- 27867652 TI - Is it possible to terminate resuscitation in accordance with the termination of resuscitation rule? PMID- 27867651 TI - Dexmedetomidine, agitated delirium, and "off-label" drugs. PMID- 27867653 TI - Appreciating the shades of gray: a case for Computer-Aided Nodule Assessment and Risk Yield (CANARY)-based risk stratification of lung adenocarcinomas. PMID- 27867654 TI - Patient-prosthesis mismatch: surgical aortic valve replacement versus transcatheter aortic valve replacement in high risk patients with aortic stenosis. AB - Patient prosthesis mismatch (PPM) can occur when a prosthetic aortic valve has an effective orifice area (EOA) less than that of a native valve. A recent study by Zorn and colleagues evaluated the incidence and significance of PPM in high risk patients with severe aortic stenosis who were randomized to transcatheter aortic valve replacement (TAVR) or surgical aortic valve replacement (SAVR). TAVR is associated with decreased incidence of severe PPM compared to traditional SAVR valves. Severe PPM increases risk for death at 1 year postoperatively in high risk patients. The increased incidence of PPM is largely due to differences in valve design and should encourage development of newer SAVR valves to reduce risk for PPM. In addition more vigorous approaches to root enlargement in small annulus should be performed with SAVR to prevent PPM. PMID- 27867656 TI - Erratum to cardiac obstruction secondary to metastatic invasion - A rare complication of Human Herpes Virus 8-positive plasmablastic lymphoma in acquired immunodeficiency syndrome. AB - [This corrects the article on p. 425 in vol. 4, PMID: 22934146.]. PMID- 27867655 TI - Veno-arterial extracorporeal membrane oxygenation (VA ECMO) in postcardiotomy cardiogenic shock: how much pump flow is enough? AB - Post-cardiotomy cardiogenic shock (PCCS) is a complication of heart surgery associated with a poor prognosis: veno-arterial extracorporeal membrane oxygenation (VA ECMO) ensures end-organ perfusion while fully replacing heart and lung function, though it is associated with unsatisfactory results. Few studies have identified reliable predictors of poor prognosis early in the course of extracorporeal support. A recent study showed the strong prognostic power of urine output in the first 24 hours of VA ECMO in predicting early and late mortality of PCCS. Urine output is a commonly collected parameter in all intensive care units (ICU) and has a defined role in the diagnosis of acute kidney injury (AKI) and is inexpensive. These findings offer the possibility to summarize some aspects regarding the adequacy of extracorporeal support early in the course of cardiogenic shock and to shed light about cardio-renal interactions in ECMO patients. Finally, it is our opinion that a timely implantation of mechanical circulatory support in post cardiotomy shock should be considered if systemic perfusion is not ensured by low or medium dose inotropic support and intra-aortic balloon counterpulsation. PMID- 27867657 TI - Method of Quantifying Size of Retinal Hemorrhages in Eyes with Branch Retinal Vein Occlusion Using 14-Square Grid: Interrater and Intrarater Reliability. AB - Purpose. To describe a method of quantifying the size of the retinal hemorrhages in branch retinal vein occlusion (BRVO) and to determine the interrater and intrarater reliabilities of these measurements. Methods. Thirty-five fundus photographs from 35 consecutive eyes with BRVO were studied. The fundus images were analyzed with Power-Point(r) software, and a grid of 14 squares was laid over the fundus image. Raters were asked to judge the percentage of each of the 14 squares that was covered by the hemorrhages, and the average of the 14 squares was taken to be the relative size of the retinal hemorrhage. Results. Interrater reliability between three raters was higher when a grid with 14 squares was used (intraclass correlation coefficient (ICC), 0.96) than that when a box with no grid was used (ICC, 0.78). Intrarater reliability, which was calculated by the retinal hemorrhage area measured on two different days, was also higher (ICC, 0.97) than that with no grid (ICC, 0.86). Interrater reliability for five fundus pictures with poor image quality was also good when a grid with 14 squares was used (ICC, 0.88). Conclusions. Although our method is subjective, excellent interrater and intrarater reliabilities indicate that this method can be adapted for clinical use. PMID- 27867658 TI - Man versus Machine: Software Training for Surgeons-An Objective Evaluation of Human and Computer-Based Training Tools for Cataract Surgical Performance. AB - This study aimed to address two queries: firstly, the relationship between two cataract surgical feedback tools for training, one human and one software based, and, secondly, evaluating microscope control during phacoemulsification using the software. Videos of surgeons with varying experience were enrolled and independently scored with the validated PhacoTrack motion capture software and the Objective Structured Assessment of Cataract Surgical Skill (OSACCS) human scoring tool. Microscope centration and path length travelled were also evaluated with the PhacoTrack software. Twenty-two videos correlated PhacoTrack motion capture with OSACCS. The PhacoTrack path length, number of movements, and total procedure time were found to have high levels of Spearman's rank correlation of 0.6792619 (p = 0.001), -0.6652021 (p = 0.002), and -0.771529 (p = 0001), respectively, with OSACCS. Sixty-two videos evaluated microscope camera control. Novice surgeons had their camera off the pupil centre at a far greater mean distance (SD) of 6.9 (3.3) mm, compared with experts of 3.6 (1.6) mm (p ? 0.05). The expert surgeons maintained good microscope camera control and limited total pupil path length travelled 2512 (1031) mm compared with novices of 4049 (2709) mm (p ? 0.05). Good agreement between human and machine quantified measurements of surgical skill exists. Our results demonstrate that surrogate markers for camera control are predictors of surgical skills. PMID- 27867659 TI - Ganglion Cell-Inner Plexiform Layer, Peripapillary Retinal Nerve Fiber Layer, and Macular Thickness in Eyes with Myopic beta-Zone Parapapillary Atrophy. AB - Purpose. To assess the correlations of myopic beta-zone parapapillary atrophy (beta-PPA) with the optic nerve head (ONH) and retina. Methods. We selected 27 myopic patients who showed prominent beta-PPA in one eye and no beta-PPA in the other eye. We studied their macula, macular ganglion cell-inner plexiform layer (mGCIPL), peripapillary retinal nerve fiber layer (pRNFL) thickness, and ONH parameters using optical coherence tomography. Results. The average of five out of six sectors and minimum values of mGCIPL thicknesses in eyes with prominent beta-PPA discs were significantly less than those of the control eyes. The results of clock-hour sector analyses showed significant differences for pRNFL thickness in one sector. In the ONH analyses, no significant difference was observed between myopic beta-PPA and control eyes. The macular thickness of the beta-PPA eyes was thinner than control eyes in all sectors. There was a significant difference between the two groups in three sectors (the inner superior macula, inner temporal macula, and inner inferior macula) but there was no significant difference in the other sectors, including the fovea. Conclusions. The myopic beta-PPA eyes showed thinner mGCIPL, parafovea, and partial pRNFL layers compared with myopic eyes without beta-PPA. PMID- 27867660 TI - Corneal Aberrations, Contrast Sensitivity, and Light Distortion in Orthokeratology Patients: 1-Year Results. AB - Purpose. To evaluate the corneal higher-order aberrations (HOA), contrast sensitivity function (CSF), and light distortion (LD) in patients undergoing orthokeratology (OK). Methods. Twenty healthy subjects (mean age: 21.40 +/- 8 years) with mean spherical equivalent refractive error M = -2.19 +/- 0.97 D were evaluated at 1 day, 1 month, and 1 year after starting OK treatment. Monocular LD, photopic monocular CSF, and corneal HOA for 6 mm pupil size were measured. Results. LD showed an increase after the first night (p < 0.05) and recovery to baseline after 1 month, remaining stable after 1 year (p > 0.05). Spherical-like, coma-like, and secondary astigmatism HOA RMS increased significantly (p <= 0.022) from baseline to 1-month visit, remaining unchanged over the follow-up. Contrast sensitivity for medium frequencies (3.0, 4.24, and 6.00 cpd) was significantly correlated with LD parameters at baseline (r <= -0.529, p < 0.001). However, after 1 year of treatment, this correlation was only statistically significant for 12 cpd spatial frequency (r <= -0.565, p < 0.001). Spherical-like RMS for 6 mm pupil size correlated with irregularity of the LD (r = -0.420, p < 0.05) at the 1-year visit. Conclusion. LD experienced by OK patients recovers after one month of treatment and remains stable in the long term while optical aberrations remain significantly higher than baseline. PMID- 27867661 TI - Insights into Adherence among a Cohort of Adolescents Aged 12-20 Years in South Africa: Reported Barriers to Antiretroviral Treatment. AB - Adolescents experience disproportionately high rates of poor ART outcomes compared to adults despite prolonged use of antiretroviral therapy in Southern African treatment programs, presenting a significant challenge to national attempts to meet the UNAIDS 90-90-90 targets for 2020. This cohort study among adolescents aged 12-20 years accessing ART care at two urban public-sector clinics in Johannesburg between September and November 2013 aimed to identify factors potentially associated with poor attendance at clinic visits. Patients were followed up through routine medical records to identify missed visits (failing to attend clinic within 30 days of scheduled visit date) up to 2 years after enrolment. We enrolled 126 adolescents on ART for a median of 6.3 years (IQR: 2.7-8.4). A total of 47 (38%) adolescents missed a scheduled visit within 24 months of enrolment. Older adolescents (18-20 years) were more likely to miss a visit compared to adolescents aged 12-14 years (risk ratio (RR) = 1.72; 95% CI: 1.00-2.95). Those who were identified to have difficulty in taking medication (RR = 1.57; 95% CI: 1.13-2.18) as a barrier to care were more likely to miss a visit compared to adolescents who did not. Awareness of treatment fatigue, challenges to taking ART, and caregiver difficulties is important when considering interventions to improve treatment outcomes among adolescents. PMID- 27867662 TI - Death Anxiety, Reliability, Validity, and Factorial Structure of the Farsi Form of the Arabic Scale of Death Anxiety in Iranian Old-Aged Persons. AB - The present study is aimed at examining the level of death anxiety and the sex related differences among old-aged Iranian individuals sample to compare the old aged persons with young college students and to explore the psychometric properties of the Arabic Scale of Death Anxiety (ASDA) factors in old-aged sample. A sample of 146 volunteer Iranian individuals took part in the study. The mean ages were 68.58 (SD = 7.10), men 68.81 (SD = 7.44) and women 68.28 (SD = 6.76), respectively. The mean score of the ASDA was 51.09 (SD = 20.19). Cronbach's alpha of the ASDA was found to be high (0.94); and Spearman-Brown coefficient was 0.92. Women had a significantly higher mean total score on the ASDA. Old-aged individuals had a significantly higher mean ASDA total score than younger college students (M age = 25.77). The factor analysis of the ASDA items yielded three factors accounting for 67.88% of the total variance labeled (F1) fear of dead people and tombs; (F2) fear of lethal disease and postmortem events; and (F3) death fear. These factors were highly replicable with previous factors extracted from a middle-aged Kuwaiti sample. On the basis of the present results, there are the following three general conclusions: death anxiety is not significantly correlated with age; the sex-related differences on death anxiety are striking in the Iranian samples; and the ASDA has a highly replicable factor structure among two Iranian and Arab countries. PMID- 27867663 TI - Dry Powder Inhalers: A Focus on Advancements in Novel Drug Delivery Systems. AB - Administration of drug molecules by inhalation route for treatment of respiratory diseases has the ability to deliver drugs, hormones, nucleic acids, steroids, proteins, and peptides, particularly to the site of action, improving the efficacy of the treatment and consequently lessening adverse effects of the treatment. Numerous inhalation delivery systems have been developed and studied to treat respiratory diseases such as asthma, COPD, and other pulmonary infections. The progress of disciplines such as biomaterials science, nanotechnology, particle engineering, molecular biology, and cell biology permits further improvement of the treatment capability. The present review analyzes modern therapeutic approaches of inhaled drugs with special emphasis on novel drug delivery system for treatment of various respiratory diseases. PMID- 27867664 TI - The Case for Musical Instrument Training in Cerebral Palsy for Neurorehabilitation. AB - Recent imaging studies in cerebral palsy (CP) have described several brain structural changes, functional alterations, and neuroplastic processes that take place after brain injury during early development. These changes affect motor pathways as well as sensorimotor networks. Several of these changes correlate with behavioral measures of motor and sensory disability. It is now widely acknowledged that management of sensory deficits is relevant for rehabilitation in CP. Playing a musical instrument demands the coordination of hand movements with integrated auditory, visual, and tactile feedback, in a process that recruits multiple brain regions. These multiple demands during instrument playing, together with the entertaining character of music, have led to the development and investigation of music-supported therapies, especially for rehabilitation with motor disorders resulting from brain damage. We review scientific evidence that supports the use of musical instrument playing for rehabilitation in CP. We propose that active musical instrument playing may be an efficient means for triggering neuroplastic processes necessary for the development of sensorimotor skills in patients with early brain damage. We encourage experimental research on neuroplasticity and on its impact on the physical and personal development of individuals with CP. PMID- 27867665 TI - Dose-Dependent Differential Effect of Neurotrophic Factors on In Vitro and In Vivo Regeneration of Motor and Sensory Neurons. AB - Although peripheral axons can regenerate after nerve transection and repair, functional recovery is usually poor due to inaccurate reinnervation. Neurotrophic factors promote directional guidance to regenerating axons and their selective application may help to improve functional recovery. Hence, we have characterized in organotypic cultures of spinal cord and dorsal root ganglia the effect of GDNF, FGF-2, NGF, NT-3, and BDNF at different concentrations on motor and sensory neurite outgrowth. In vitro results show that GDNF and FGF-2 enhanced both motor and sensory neurite outgrowth, NGF and NT-3 were the most selective to enhance sensory neurite outgrowth, and high doses of BDNF selectively enhanced motor neurite outgrowth. Then, NGF, NT-3, and BDNF (as the most selective factors) were delivered in a collagen matrix within a silicone tube to repair the severed sciatic nerve of rats. Quantification of Fluorogold retrolabeled neurons showed that NGF and NT-3 did not show preferential effect on sensory regeneration whereas BDNF preferentially promoted motor axons regeneration. Therefore, the selective effects of NGF and NT-3 shown in vitro are lost when they are applied in vivo, but a high dose of BDNF is able to selectively enhance motor neuron regeneration both in vitro and in vivo. PMID- 27867667 TI - Spontaneous Renal Artery Dissection in a Patient with Neurofibromatosis Type I. AB - We present a case of spontaneous renal artery dissection (SRAD) in a 28-year-old female with history of neurofibromatosis type I (NF-1) treated successfully with endovascular stenting. The clinical presentation, diagnostic testing, and treatment options are discussed. An endovascular approach with stenting was successfully performed after failure of medical treatment with subcutaneous low molecular weight heparin. Patient's blood pressure and symptoms improved significantly. This may be the first reported case of SRAD in a patient with NF-1 successfully treated with endovascular stenting. PMID- 27867668 TI - A Rare Clinical Course of Seronegative Pulmonary-Renal Syndrome. AB - Purpose. Pulmonary-renal syndrome (PRS) is characterized by diffuse alveolar hemorrhage and rapidly progressive glomerulonephritis mainly due to autoimmune etiologies. Seronegative PRS is a challenging entity to the clinician, since early diagnosis may be missed leading to delayed appropriate treatment. Materials and Methods. We present the clinical course of a 77-year-old patient who was admitted under the suspected diagnosis of pneumogenic sepsis and septic renal failure with fever, dyspnea, and elevated CRP levels. The diagnosis of pulmonary renal syndrome was initially missed because of the absence of autoantibodies in all serological findings. Results. Despite delayed initiation of immunosuppressive therapy and a prolonged period of dialysis and extracorporeal membrane oxygenation the patient recovered well and was released to a rehabilitation center with nearly normalized creatinine levels. The diagnosis of PRS was established by renal biopsy. Conclusion. This case illustrates the important differential diagnosis of seronegative pulmonary-renal syndrome in patients with pulmonary and renal impairment. PMID- 27867669 TI - Simplifying the Treatment of Bone Atrophy in the Posterior Regions: Combination of Zygomatic and Wide-Short Implants-A Case Report with 2 Years of Follow-Up. AB - The rehabilitation of maxillary and mandibular bone atrophy represents one of the main challenges of modern oral implantology because it requires a variety of procedures, which not only differ technically, but also differ in their results. In the face of limitations such as deficiencies in the height and thickness of the alveolar structure, prosthetic rehabilitation has sought to avoid large bone reconstruction through bone grafting; this clinical behavior has become a treatment system based on evidence from clinical scientific research. In the treatment of atrophic maxilla, the use of zygomatic implants has been safely applied as a result of extreme technical rigor and mastery of this surgical skill. For cases of posterior mandibular atrophy, short implants with a large diameter and a combination of short and long implants have been recommended to improve biomechanical resistance. These surgical alternatives have demonstrated a success rate similar to that of oral rehabilitation with the placing of conventional implants, allowing the adoption of immediate loading protocol, a decrease in morbidity, simplification and speed of the treatment, and cost reduction. This case report presents complete oral rehabilitation in a patient with bilateral bone atrophy in the posterior regions of the maxilla and mandible with the goal of developing and increasing posterior occlusal stability during immediate loading. PMID- 27867666 TI - Plasma Membrane Targeting of Protocadherin 15 Is Regulated by the Golgi Associated Chaperone Protein PIST. AB - Protocadherin 15 (PCDH15) is a core component of hair cell tip-links and crucial for proper function of inner ear hair cells. Mutations of PCDH15 gene cause syndromic and nonsyndromic hearing loss. At present, the regulatory mechanisms responsible for the intracellular transportation of PCDH15 largely remain unknown. Here we show that PIST, a Golgi-associated, PDZ domain-containing protein, interacts with PCDH15. The interaction is mediated by the PDZ domain of PIST and the C-terminal PDZ domain-binding interface (PBI) of PCDH15. Through this interaction, PIST retains PCDH15 in the trans-Golgi network (TGN) and reduces the membrane expression of PCDH15. We have previously showed that PIST regulates the membrane expression of another tip-link component, cadherin 23 (CDH23). Taken together, our finding suggests that PIST regulates the intracellular trafficking and membrane targeting of the tip-link proteins CDH23 and PCDH15. PMID- 27867670 TI - Lymphoma Heterogeneity: Three Different Histological Pictures and One Unique Clone. AB - We report a patient who developed up to three different lymphomas with the same clonal IGH rearrangement. She was first diagnosed of splenic zone marginal lymphoma and relapsed for the first time with Hodgkin lymphoma histology and later with diffuse large B-cell lymphoma histology. Subsequent biopsies and analysis of clonally rearranged IGH genes helped to elucidate the clonal relationship between the three histologies and to confirm a common origin from the three tissue histologies. An integrated diagnosis should always be performed in order to achieve the most accurate diagnosis and be able to choose the best therapeutic options for our patients. PMID- 27867671 TI - Retreatment with Bendamustine-Bortezomib-Dexamethasone in a Patient with Relapsed/Refractory Multiple Myeloma. AB - The clinical management of relapsed/refractory multiple myeloma and the correct choice of the most suitable therapy in heavily pretreated and fragile patients are tough clinical issues for clinicians. In advanced phases of disease, the choice of available therapies becomes very poor, and the retreatment with previously adopted and effective therapy, although unpredictable, could be an effective option. In this report, we describe the clinical history of a patient, previously treated with 9 lines of therapy, refractory to bortezomib and IMIDs, for whom the retreatment with bendamustine resulted in a stable disease with good quality of life. PMID- 27867672 TI - Primary Angiosarcoma of the Spleen: Rare Diagnosis with Atypical Clinical Course. AB - Primary angiosarcoma of the spleen is a rare diagnosis with poor prognosis. Morphologically, it demonstrates conventional blood vessel differentiation. We present a case of 65-year-old female who underwent radical splenectomy for primary angiosarcoma of the spleen. After three-year disease-free interval, she was diagnosed with bone-only metastatic disease. Palliative radiotherapy and bisphosphonates kept her disease reasonably stable for another four years. After development of lung metastases, six cycles of single agent doxorubicin kept her progression-free for six years. Upon further progression in lungs, thirteen years after original diagnosis, lung biopsy confirmed metastatic splenic angiosarcoma in the lungs. She started weekly paclitaxel chemotherapy. Although splenic angiosarcoma generally carries grave prognosis, some patients may enjoy prolonged periods of disease stabilization. Durable benefit can be achieved in some patients with multimodality management. We review the literature focusing on systemic treatment for this rare tumor. PMID- 27867673 TI - Central Retinal Artery Occlusion in Takayasu's Arteritis as the First Presentation of the Disease. AB - Takayasu's arteritis (TA) is a chronic inflammatory granulomatous vasculitis which affects large and medium arterial vessels. The disease involves especially subclavian arteries and aortic branches but it can consist of any arteries. The major pathology is granulomatous panarteritis with intima proliferation and defects of the elastic lamina of the vessels. We present a case of central retinal artery occlusion in TA as the first presentation of the disease. To the best of our knowledge, the present case is the first case that demonstrates central retinal artery occlusion as an initial manifestation in TA. A 48-year-old woman was admitted to our clinic with the complaint of sudden and painless vision loss in her right eye for one day. Although retinal artery involvement is a very rare presentation in TA, it is important to recall TA particularly in young patients with retinal artery occlusion. PMID- 27867674 TI - Filariasis of Stensen's Duct: An Index Case. AB - Filariasis, a neglected tropical disease, is a global health problem and is endemic to 73 countries including India. It is caused by nematodes of Filariodidea family, namely, W. bancrofti and B. malayi in India, which have a predilection for the lower limbs and testis. We report a never before reported case of filariasis of the main parotid duct in a 25-year-old male that resolved on medical management, exemplifying the importance of maintaining a high index of suspicion and careful examination of cytological smears in endemic countries, allowing for an early diagnosis and treatment, decreasing the morbidity of this debilitating disease. PMID- 27867675 TI - A Case of Thyroid Storm Associated with Cardiomyopathy and Poststreptococcal Glomerulonephritis. AB - Thyroid storm has a high mortality rate and is often associated with a precipitating factor such as intercurrent illness or infection. It is rare in pediatric patients. Cardiac disease in hyperthyroidism mostly manifests itself as tachycardia but more serious cardiac findings have also been described. A 5-year old male with recent strep throat infection presented with dilated cardiomyopathy, hematuria, and symptoms and lab findings consistent with severe hyperthyroidism. He was diagnosed with thyroid storm secondary to concurrent Graves' disease and poststreptococcal glomerulonephritis (PSGN). After starting the treatment with methimazole and a beta-blocker, his cardiac disease gradually improved and the PSGN resolved over time. There are no specific pediatric criteria for thyroid storm. Adult criteria can be difficult to apply to pediatric cases. Criteria for diagnosis of thyroid storm are less clear for pediatric patients. Dilated cardiomyopathy is a rare cardiac manifestation of hyperthyroidism. PSGN is due to glomerular immune complexes and can complicate group A strep infection. Providers should be aware of cardiac disease as a complication of hyperthyroidism. PSGN should not mechanistically be related to hyperthyroidism but can precipitate the signs of thyroid storm such as hypertension. This association has not been previously reported in the literature. PMID- 27867676 TI - Cardiac Magnetic Resonance for Evaluating Catheter Related FDG Avidity. AB - A 53-year-old female with a history of metastatic left arm melanoma presented for F(18) fluorodeoxyglucose (FDG) positron emission tomography/computed tomography (PET/CT) which showed a moderately FDG avid focus at her port catheter tip near the cavoatrial junction. Although catheter tip related FDG avidity has previously been suggested to be bland thrombus or infection, melanoma can metastasize to unusual locations including the superior vena cava. In addition, the patient had an elevated risk of anticoagulation due to a history of hemorrhagic brain metastases. Therefore, confirmatory cardiac magnetic resonance (CMR) was obtained and findings were consistent with bland catheter-related thrombus. PMID- 27867677 TI - Bilateral Simultaneous Pseudoangiomatous Stromal Hyperplasia of the Breasts and Axillae: Imaging Findings with Pathological and Clinical Correlation. AB - Pseudoangiomatous stromal hyperplasia (PASH) of the breast is a pathology that is usually diagnosed by accident during pathological examination of other breast lesions. PASH is an uncommon and benign tumoral lesion of the mammary stroma that can be pathologically mistaken for other tumours, such as phyllodes, fibroadenoma, and sometimes even angiosarcoma. We report the case of a 45-year old woman with complaints of huge bilateral breast enlargement. This is a rare case of PASH presenting with gigantomastia and involving bilateral breasts and axillae simultaneously. Mammography, ultrasonography, and MRI features are illustrated with histopathological correlation. PMID- 27867678 TI - Reduced Dental Plaque Formation in Dogs Drinking a Solution Containing Natural Antimicrobial Herbal Enzymes and Organic Matcha Green Tea. AB - The results of an exploratory, multicenter clinical study confirmed the hypothesis that a novel, natural, and safe oral care product (OCP) reduced the rate of plaque formation on teeth of dogs consuming the OCP (antimicrobial plant derived enzymes, organic matcha green tea, cultured dextrose, sodium bicarbonate, and ascorbic acid) compared to controls. Healthy dogs without periodontitis, of varying breeds, sex, and age, were recruited and enrolled, using nonrandomized stratification methods, into a control and treatment groups. Treatment group dogs drank only water into which OCP was suspended, for 28 days. Control group dogs drank their normal household water. On day 0 all teeth were cleaned by a veterinarian and gingivitis was assessed. On days 14, 21, and 28 plaque index, plaque thickness, gingivitis, freshness of breath, and general health were assessed. Over the 28 days of study, dogs on the OCP had significant reduction in plaque index and plaque thickness compared to controls. By day 14 OCP reduced plaque formation by 37%; the 28-day reduction in plaque index and coverage averaged 22% with no measurable gingivitis or calculus. Conclusion. Using the OCP attenuated dental plaque formation when consumed as normal drinking water and in the absence of other modes of oral care. PMID- 27867680 TI - Bilirubin in coronary artery disease: Cytotoxic or protective? AB - Bilirubin has traditionally been considered a cytotoxic waste product. However, recent studies have shown bilirubin to have anti-oxidant, anti-inflammatory, vasodilatory, anti-apoptotic and anti-proliferative functions. These properties potentially confer bilirubin a new role of protection especially in coronary artery disease (CAD), which is a low grade inflammatory process exacerbated by oxidative stress. In fact, recent literature reports an inverse relationship between serum concentration of bilirubin and the presence of CAD. In this article, we review the current literature exploring the association between levels of bilirubin and risk of CAD. We conclude that current evidence is inconclusive regarding the protective effect of bilirubin on CAD. A causal relationship between low serum bilirubin level and increased risk of CAD is not currently established. PMID- 27867679 TI - Identification of two novel mutations in the GALNT3 gene in a Chinese family with hyperphosphatemic familial tumoral calcinosis. AB - Hyperphosphatemic familial tumoral calcinosis (HFTC) is a rare, autosomal recessive genetic disease. This disease is characterized by the progressive calcification of soft tissues leading to symptoms of pressure and hyperphosphatemia but normal concentrations of serum calcium with or without an elevation of 1,25-dihydroxyvitamin D3 levels.HFTC is caused by loss-of-function mutations in the GALNT3, FGF23 or KL genes. Here, we identified two novel mutations in the GALNT3 gene in a Chinese family with HFTC. Identification of a novel genotype in HFTC provides clues for understanding the phenotype-genotype relationships in HFTC and may assist not only in the clinical diagnosis of HFTC but also in the interpretation of the genetic information used for prenatal diagnosis and genetic counseling. PMID- 27867681 TI - Local ablative treatments for hepatocellular carcinoma: An updated review. AB - Ablative treatments currently represent the first-line option for the treatment of early stage unresectable hepatocellular carcinoma (HCC). Furthermore, they are effective as bridging/downstaging therapies before orthotopic liver transplantation. Contraindications based on size, number, and location of nodules are quite variable in literature and strictly dependent on local expertise. Among ablative therapies, radiofrequency ablation (RFA) has gained a pivotal role due to its efficacy, with a reported 5-year survival rate of 40%-70%, and safety. Although survival outcomes are similar to percutaneous ethanol injection, the lower local recurrence rate stands for a wider application of RFA in hepato oncology. Moreover, RFA seems to be even more cost-effective than liver resection for very early HCC (single nodule <= 2 cm) and in the presence of two or three nodules <= 3 cm. There is increasing evidence that combining RFA to transarterial chemoembolization may increase the therapeutic benefit in larger HCCs without increasing the major complication rate, but more robust prospective data is still needed to validate these pivotal findings. Among other thermal treatments, microwave ablation (MWA) uses high frequency electromagnetic energy to induce tissue death via coagulation necrosis. In comparison to RFA, MWA has several theoretical advantages such as a broader zone of active heating, higher temperatures within the targeted area in a shorter treatment time and the lack of heat-sink effect. The safety concerns raised on the risks of this procedure, due to the broader and less predictable necrosis areas, have been recently overcome. However, whether MWA ability to generate a larger ablation zone will translate into a survival gain remains unknown. Other treatments, such as high-intensity focused ultrasound ablation, laser ablation, and cryoablation, are less investigated but showed promising results in early HCC patients and could be a valuable therapeutic option in the next future. PMID- 27867683 TI - Logical hypothesis: Low FODMAP diet to prevent diverticulitis. AB - Despite little evidence for the therapeutic benefits of a high-fiber diet for diverticulitis, it is commonly recommended as part of the clinical management. The ongoing uncertainty of the cause(s) of diverticulitis confounds attempts to determine the validity of this therapy. However, the features of a high-fiber diet represent a logical contradiction for colon diverticulitis. Considering that Bernoulli's principle, by which enlarged diameter of the lumen leads to increased pressure and decreased fluid velocity, might contribute to development of the diverticulum. Thus, theoretically, prevention of high pressure in the colon would be important and adoption of a low FODMAP diet (consisting of fermentable oligosaccharides, disaccharides, monosaccharides, and polyols) may help prevent recurrence of diverticulitis. PMID- 27867682 TI - Treatment of pregnant women with a diagnosis of inflammatory bowel disease. AB - The frequency of diagnosis of inflammatory bowel disease (IBD) has increased in younger populations. For this reason, pregnancy in patients with IBD is a topic of interest, warranting additional focus on disease management during this period. The main objective of this article is to summarize the latest findings and guidelines on the management of potential problems from pregnancy to the breastfeeding stage. Fertility is decreased in patients with active IBD. Disease remission prior to conception will likely decrease the rate of pregnancy-related complications. Most of the drugs used for IBD treatment are safe during both pregnancy and breastfeeding. Two exceptions are methotrexate and thalidomide, which are contraindicated in pregnancy. Anti-tumor necrosis factor agents are not advised during the third trimester as they exhibit increased transplacental transmission and potentially cause immunosuppression in the fetus. Radiological and endoscopic examinations and surgical interventions should be performed only when absolutely necessary. Surgery increases the fetal mortality rate. The delivery method should be determined with consideration of the disease site and presence of progression or flare up. Treatment planning should be a collaborative effort among the gastroenterologist, obstetrician, colorectal surgeon and patient. PMID- 27867685 TI - How I treat my inflammatory bowel disease-patients with thiopurines? AB - Thiopurines are essential drugs to maintain remission in patients with inflammatory bowel disease (IBD). Thiopurines used in IBD are azathioprine (2.0 2.5 mg/kg), mercaptopurine (1.0-1.5 mg/kg) and thioguanine (0.2-0.3 mg/kg). However, mainly due to numerous adverse events associated with thiopurine use, almost 50% of the patients have to discontinue conventional thiopurine treatment. Extensive monitoring and the application of several treatment strategies, such as split-dose administration, co-administration with allopurinol or dose reduction/increase, may increase the chance of successful therapy. With this review, we provide practical information on how thiopurines are initiated and maintained in two thiopurine research centers in The Netherlands. We provide clinical information concerning safety issues, indications and management of therapy that may serve as a guide for the administration of thiopurines in IBD patients in daily practice. PMID- 27867684 TI - Eosinophilic gastroenteritis: Approach to diagnosis and management. AB - Eosinophilic gastroenteritis (EGE) is a rare and benign inflammatory disorder that predominantly affects the stomach and the small intestine. The disease is divided into three subtypes (mucosal, muscular and serosal) according to klein's classification, and its manifestations are protean, depending on the involved intestinal segments and layers. Hence, accurate diagnosis of EGE poses a significant challenge to clinicians, with evidence of the following three criteria required: Suspicious clinical symptoms, histologic evidence of eosinophilic infiltration in the bowel and exclusion of other pathologies with similar findings. In this review, we designed and applied an algorithm to clarify the steps to follow for diagnosis of EGE in clinical practice. The management of EGE represents another area of debate. Prednisone remains the mainstay of treatment; however the disease is recognized as a chronic disorder and one that most frequently follows a relapsing course that requires maintenance therapy. Since prolonged steroid treatment carries of risk of serious adverse effects, other options with better safety profiles have been proposed; these include budesonide, dietary restrictions and steroid-sparing agents, such as leukotriene inhibitors, azathioprine, anti-histamines and mast-cell stabilizers. Single cases or small case series have been reported in the literature for all of these options, and we provide in this review a summary of these various therapeutic modalities, placing them within the context of our novel algorithm for EGE management according to disease severity upon presentation. PMID- 27867686 TI - Widespread use of gastric acid inhibitors in infants: Are they needed? Are they safe? AB - Gastroesophageal reflux is a common phenomenon in infants, but the differentiation between gastroesophageal reflux and gastroesophageal reflux disease can be difficult. Symptoms are non-specific and there is increasing evidence that the majority of symptoms may not be acid-related. Despite this, gastric acid inhibitors such as proton pump inhibitors are widely and increasingly used, often without objective evidence or investigations to guide treatment. Several studies have shown that these medications are ineffective at treating symptoms associated with reflux in the absence of endoscopically proven oesophagitis. With a lack of evidence for efficacy, attention is now being turned to the potential risks of gastric acid suppression. Previously assumed safety of these medications is being challenged with evidence of potential side effects including GI and respiratory infections, bacterial overgrowth, adverse bone health, food allergy and drug interactions. PMID- 27867688 TI - Usefulness of vonoprazan, a potassium ion-competitive acid blocker, for primary eradication of Helicobacter pylori. AB - AIM: To investigate usefulness of triple therapy with vonoprazan, a potassium ion competitive acid blocker and antibiotics, for Helicobacter pylori (H. pylori) eradication. METHODS: The H. pylori eradication rate was examined in 2507 patients (2055 undergoing primary eradication and 452 undergoing secondary eradication, excluding patients with subtotal gastrectomy) at the Japanese Red Cross Kyoto Daiichi Hospital from March 2013 to September 2015. For patients treated from March 2013 to February 2015, a proton pump inhibitor (PPI) was used to reduce acid secretion, while vonoprazan was used after March 2015. The success rates of the 2 regimens (PPI + amoxicillin + clarithromycin/metronidazole, or vonoprazan + amoxicillin + clarithromycin/metronidazole) were compared. RESULTS: The success rate of primary H. pylori eradication was significantly higher in the vonoprazan group. When stratified by the underlying disease, a significant increase of the H. pylori eradication rate was observed in patients with chronic gastritis. A significantly lower H. pylori eradication rate was observed in younger patients compared to older patients in the PPI group, but there was no difference according to age in the vonoprazan group. On the other hand, the success rate of secondary eradication was similar at approximately 90% in both groups. CONCLUSION: Vonoprazan is very useful for primary eradication of H. pylori, and may become a first-line acid secretion inhibitor instead of PPIs. PMID- 27867687 TI - A20 inhibits lipopolysaccharide-induced inflammation in enterocytes. AB - AIM: To examine the role of A20 in the regulation of intestinal epithelial cells (IECs) inflammation. METHODS: Using gene transfection, both stable overexpression and knockdown A20-expressed HT-29 cell lines were established. Accordingly, the cells were divided into the following groups: The control group, the A20 overexpression group, the A20 knockdown group and the respective controls. A20 was stimulated with lipopolysaccharide (LPS) in a dose- and time-dependent manner and was detected using western blotting and real-time polymerase chain reaction (PCR) analyses. Immunofluorescence and western blotting analyses were performed to investigate the role of A20 in the regulation of nuclear factor (NF)-kappaB activation and translocation into the nucleus. ELISA and real-time PCR were performed to examine A20 in regulating the release of the following inflammatory cytokines: Tumor necrosis factor (TNF)-alpha, interleukin (IL)-1beta, IL-6 and IL 8. RESULTS: The expression of A20 in IECs was inducible. When intestinal epithelial cells were subjected to the stimulation of LPS, the expression of A20 was increased, and the expression of A20 was induced in a dose- and time dependent manner. The expression of A20 was very low in HT-29 cells without LPS stimulation but rapidly increased and was maintained at a high level 2-4 h after stimulation with LPS. These levels gradually declined with a change in time course, and the expression of A20 increased with increasing LPS stimulation. Western blotting and immunofluorescence revealed that overexpression of A20 can inhibit NF-kappaB activation and its translocation to the nucleus. The overexpression of A20 can reduce the levels of proinflammatory cytokines involved in the pathophysiology of inflammatory bowel disease. There was no significant difference in the expression of IL-8 mRNA in the control group, A20 overexpression group or A20 knockdown group without LPS stimulation (P > 0.05); however, while after 2 h, 4 h and 8 h stimulation with LPS, the expression of IL 8 in the A20 overexpression group was lower than the control group and the A20 knockdown group (P < 0.05 or P < 0.01). The expression of TNF-alpha was different at different time points after 8 h of LPS stimulation (F = 31.33, DF = 5, P < 0.001), and the expression of TNF-alpha increased as the LPS stimulation time increased. Upon LPS stimulation, lower levels of TNF-alpha were detected in the A20 overexpression cell lines (P < 0.05). There were no significant differences in the induction of IL-6 and IL-1beta among the control group, A20 overexpression group and A20 knockdown group (P > 0.05). CONCLUSION: A20 plays an important role in limiting inflammation by inhibiting LPS-induced NF-kappaB responses in the gut luminal. A20 may be a potential therapeutic tool for inflammatory diseases. PMID- 27867689 TI - Family history and disease outcomes in patients with Crohn's disease: A comparison between China and the United States. AB - AIM: To investigate the differences in family history of inflammatory bowel disease (IBD) and clinical outcomes among individuals with Crohn's disease (CD) residing in China and the United States. METHODS: We performed a survey-based cross-sectional study of participants with CD recruited from China and the United States. We compared the prevalence of IBD family history and history of ileal involvement, CD-related surgeries and IBD medications in China and the United States, adjusting for potential confounders. RESULTS: We recruited 49 participants from China and 145 from the United States. The prevalence of family history of IBD was significantly lower in China compared with the United States (China: 4.1%, United States: 39.3%). The three most commonly affected types of relatives were cousin, sibling, and parent in the United States compared with child and sibling in China. Ileal involvement (China: 63.3%, United States: 63.5%) and surgery for CD (China: 51.0%, United States: 49.7%) were nearly equivalent in the two countries. CONCLUSION: The lower prevalence of familial clustering of IBD in China may suggest that the etiology of CD is less attributed to genetic background or a family-shared environment compared with the United States. Despite the potential difference in etiology, surgery and ileal involvement were similar in the two countries. Examining the changes in family history during the continuing rise in IBD may provide further insight into the etiology of CD. PMID- 27867690 TI - Good adherence to mediterranean diet can prevent gastrointestinal symptoms: A survey from Southern Italy. AB - AIM: To evaluate how different levels of adherence to a mediterranean diet (MD) correlate with the onset of functional gastrointestinal disorders. METHODS: As many as 1134 subjects (598 M and 536 F; age range 17-83 years) were prospectively investigated in relation to their dietary habits and the presence of functional gastrointestinal symptoms. Patients with relevant chronic organic disease were excluded from the study. The Mediterranean Diet Quality index for children and adolescents (KIDMED) and the Short Mediterranean Diet Questionnaire were administered. All subjects were grouped into five categories according to their ages: 17-24 years; 25-34; 35-49; 50-64; above 64. RESULTS: On the basis of the Rome III criteria, our population consisted of 719 (63.4%) individuals who did not meet the criteria for any functional disorder and were classified as controls (CNT), 172 (13.3%) patients meeting criteria for prevalent irritable bowel syndrome (IBS), and 243 (23.3%) meeting criteria for prevalent functional dyspepsia (FD). A significantly lower adherence score in IBS (0.57 +/- 0.23, P < 0.001) and FD (0.56 +/- 0.24, P < 0.05) was found compared to CNT (0.62 +/- 0.21). Females with FD and IBS exhibited significantly lower adherence scores (respectively 0.58 +/- 0.24, P < 0.05 and 0.56 +/- 0.22, P < 0.05) whereas males were significantly lower only for FD (0.53 +/- 0.25, P < 0.05). Age cluster analyses showed a significantly lower score in the 17-24 years and 25-34 year categories for FD (17-24 years: 0.44 +/- 0.21, P < 0.001; 25-34 years: 0.48 +/- 0.22, P < 0.05) and IBS (17-24 years: 0.45 +/- 0.20, P < 0.05; 24-34 years: 0.44 +/- 0.21, P < 0.001) compared to CNT (17-24 years: 0.56 +/- 0.21; 25-34 years: 0.69 +/- 0.20). CONCLUSION: Low adherence to MD may trigger functional gastrointestinal symptoms, mainly in younger subjects. Moreover, with increasing age, patients tend to adopt dietary regimens closer to MD. PMID- 27867691 TI - Efficacy of small-volume simethicone given at least 30 min before gastroscopy. AB - AIM: To evaluate the efficacy of 5 mL simethicone solution in decreasing gastric foam if given at least 30 min before gastroscopy. METHODS: This was a randomized, placebo controlled, endoscopist blinded study performed at Changi General Hospital. Patients were at least 21 years old, had no prior surgical resection of the upper gastrointestinal tract, and scheduled for elective diagnostic gastroscopies. The primary outcome was the total mucosal visibility score (TMVS) which was evaluated using McNally score. The sample size was calculated to be 24 per group (SD 2.4, 80% power, P < 0.05, 2-sample t test). RESULTS: Fifty-four patients were randomised to receive either simethicone [1 mL liquid simethicone (100 mg) in 5 mL of water] or placebo (5 mL of water) at least 30 min before their gastroscopy. Six accredited consultants conducted the gastroscopy, and the interobserver agreement of scoring TMVS was good with a Kappa statistic of 0.73. The simethicone group had significantly better mean TMVS compared to placebo (5.78 +/- SD 1.65 vs 8.89 +/- SD 1.97, P < 0.001). The improvement was statistically significant for the duodenum and the gastric antrum, angularis, body, and fundus. Percent 51.9 of patients in the simethicone group had a TMVS of 4 (no bubbles at all) to 5 (only 1 area with minimal bubbles), while in the placebo group 3.7% of patients had TMVS of 4 or 5. The number needed to treat was 2.1 to avoid a TMVS of 6 and more. The simethicone group also had a significantly shorter procedure time with less volume of additional flushes required during gastroscopy to clear away obscuring gastric foam. CONCLUSION: With a premedication time of at least 30 min, 5 mL simethicone can significantly decrease gastric foam, decrease the volume of additional flushes, and shorten gastroscopy time. PMID- 27867692 TI - Osteonecrosis of both knees in a woman with Crohn's disease. AB - Osteonecrosis is a very rare complication of Crohn's disease (CD). It is not clear if it is related to corticosteroid therapy or if it occurs as an extraintestinal manifestation of inflammatory bowel disease. We present the case of a patient with CD who presented with osteonecrosis of both knees. A 22 years old woman was diagnosed with CD in April 2012 (Montreal Classification A2L1 + L4B3p). She was started on prednisolone (40 mg/d), azathioprine (100 mg/d) and messalazine (3 g/d). In July 2012, due to active perianal disease, infliximab therapy was initiated. In September 2012, she had a pelvic abscess complicated by peritonitis and an ileal segmental resection and right hemicolectomy were performed. In December 2012 she was diagnosed with bilateral septic arthritis of both knees with walking impairment. She was treated with amoxicillin-clavulanic acid, started a physical rehabilitation program and progressively improved. However, then, bilateral knee pain exacerbated by movement developed. Magnetic resonance imaging showed multiple osseous medullary infarcts in the distal extremity of the femurs, proximal extremity of the tibiae and patellas and no signs of subchondral collapse, which is consistent with osteonecrosis. The patient recovered completely and maintains therapy with azathioprine and messalazine. A review of the literature is also done. PMID- 27867693 TI - Gastroenterology, hepatology and movies: A holistic insight. AB - The Project "Movies and Health in Night talks" took place in Braga and Porto, northern Portugal, in the last 3 years. This Project demonstrated how medical knowledge may surround and integrate a cosmopolitan and holistic approach, so that we as doctors and the general public, are able to become much closer and much more prone to understand the vital cycles of our society. PMID- 27867694 TI - TakeCARE, a Video Bystander Program to Help Prevent Sexual Violence on College Campuses: Results of Two Randomized, Controlled Trials. AB - OBJECTIVE: The present research reports on two randomized controlled trials evaluating TakeCARE, a video bystander program designed to help prevent sexual violence on college campuses. METHOD: In Study 1, students were recruited from psychology courses at two universities. In Study 2, first-year students were recruited from a required course at one university. In both studies, students were randomly assigned to view one of two videos: TakeCARE or a control video on study skills. Just before viewing the videos, students completed measures of bystander behavior toward friends and ratings of self-efficacy for performing such behaviors. The efficacy measure was administered again after the video, and both the bystander behavior measure and the efficacy measure were administered at either one (Study 1) or two (Study 2) months later. RESULTS: In both studies, students who viewed TakeCARE, compared to students who viewed the control video, reported engaging in more bystander behavior toward friends and greater feelings of efficacy for performing such behavior. In Study 1, feelings of efficacy mediated effects of TakeCARE on bystander behavior; this result did not emerge in Study 2. CONCLUSIONS: This research demonstrates that TakeCARE, a video bystander program, can positively influence bystander behavior toward friends. Given its potential to be easily distributed to an entire campus community, TakeCARE might be an effective addition to campus efforts to prevent sexual violence. PMID- 27867695 TI - Quantitative photoacoustic image reconstruction improves accuracy in deep tissue structures. AB - Photoacoustic imaging (PAI) is emerging as a potentially powerful imaging tool with multiple applications. Image reconstruction for PAI has been relatively limited because of limited or no modeling of light delivery to deep tissues. This work demonstrates a numerical approach to quantitative photoacoustic image reconstruction that minimizes depth and spectrally derived artifacts. We present the first time-domain quantitative photoacoustic image reconstruction algorithm that models optical sources through acoustic data to create quantitative images of absorption coefficients. We demonstrate quantitative accuracy of less than 5% error in large 3 cm diameter 2D geometries with multiple targets and within 22% error in the largest size quantitative photoacoustic studies to date (6cm diameter). We extend the algorithm to spectral data, reconstructing 6 varying chromophores to within 17% of the true values. This quantitiative PA tomography method was able to improve considerably on filtered-back projection from the standpoint of image quality, absolute, and relative quantification in all our simulation geometries. We characterize the effects of time step size, initial guess, and source configuration on final accuracy. This work could help to generate accurate quantitative images from both endogenous absorbers and exogenous photoacoustic dyes in both preclinical and clinical work, thereby increasing the information content obtained especially from deep-tissue photoacoustic imaging studies. PMID- 27867696 TI - Quantification of extra-cerebral and cerebral hemoglobin concentrations during physical exercise using time-domain near infrared spectroscopy. AB - Fitness is known to have beneficial effects on brain anatomy and function. However, the understanding of mechanisms underlying immediate and long-term neurophysiological changes due to exercise is currently incomplete due to the lack of tools to investigate brain function during physical activity. In this study, we used time-domain near infrared spectroscopy (TD-NIRS) to quantify and discriminate extra-cerebral and cerebral hemoglobin concentrations and oxygen saturation (SO2) in young adults at rest and during incremental intensity exercise. In extra-cerebral tissue, an increase in deoxy-hemoglobin (HbR) and a decrease in SO2 were observed while only cerebral HbR increased at high intensity exercise. Results in extra-cerebral tissue are consistent with thermoregulatory mechanisms to dissipate excess heat through skin blood flow, while cerebral changes are in agreement with cerebral blood flow (CBF) redistribution mechanisms to meet oxygen demand in activated regions during exercise. No significant difference was observed in oxy- (HbO2) and total hemoglobin (HbT). In addition HbO2, HbR and HbT increased with subject's peak power output (equivalent to the maximum oxygen volume consumption; VO2 peak) supporting previous observations of increased total mass of red blood cells in trained individuals. Our results also revealed known gender differences with higher hemoglobin in men. Our approach in quantifying both extra-cerebral and cerebral absolute hemoglobin during exercise may help to better interpret past and future continuous-wave NIRS studies that are prone to extra-cerebral contamination and allow a better understanding of acute cerebral changes due to physical exercise. PMID- 27867698 TI - Mapping 3D fiber orientation in tissue using dual-angle optical polarization tractography. AB - Optical polarization tractography (OPT) has recently been applied to map fiber organization in the heart, skeletal muscle, and arterial vessel wall with high resolution. The fiber orientation measured in OPT represents the 2D projected fiber angle in a plane that is perpendicular to the incident light. We report here a dual-angle extension of the OPT technology to measure the actual 3D fiber orientation in tissue. This method was first verified by imaging the murine extensor digitorum muscle placed at various known orientations in space. The accuracy of the method was further studied by analyzing the 3D fiber orientation of the mouse tibialis anterior muscle. Finally we showed that dual-angle OPT successfully revealed the unique 3D "arcade" fiber structure in the bovine articular cartilage. PMID- 27867697 TI - Joint blood flow is more sensitive to inflammatory arthritis than oxyhemoglobin, deoxyhemoglobin, and oxygen saturation. AB - Joint hypoxia plays a central role in the progression and perpetuation of rheumatoid arthritis (RA). Thus, optical techniques that can measure surrogate markers of hypoxia such as blood flow, oxyhemoglobin, deoxyhemoglobin, and oxygen saturation are being developed to monitor RA. The purpose of the current study was to compare the sensitivity of these physiological parameters to arthritis. Experiments were conducted in a rabbit model of RA and the results revealed that joint blood flow was the most sensitive to arthritis and could detect a statistically significant difference (p<0.05, power = 0.8) between inflamed and healthy joints with a sample size of only four subjects. Considering that this a quantitative technique, the high sensitivity to arthritis suggests that joint perfusion has the potential to become a potent tool for monitoring disease progression and treatment response in RA. PMID- 27867699 TI - Characterization of autism spectrum disorder with spontaneous hemodynamic activity. AB - Functional near-infrared spectroscopy (fNIRS) was used to investigate spontaneous hemodynamic activity in the temporal cortex for typically developing (TD) children and children with autism spectrum disorder (ASD). Forty-seven children participated in the experiments including twenty-five with ASD. Compared with TD children, children with ASD showed weaker bilateral resting-state functional connectivity (RSFC), but much stronger fluctuation magnitude in terms of oxy hemoglobin (HbO2) and deoxy-hemoglobin (Hb). Differentiating between ASD and TD based on a support vector machine (SVM) model including bilateral RSFC and the fluctuation power of HbO2 and Hb as variables could achieve high accurate classification with sensitivity of 81.6% and specificity of 94.6%. This study demonstrates optical brain imaging has the potential for screening children with risk of ASD. PMID- 27867700 TI - Mental stress assessment using simultaneous measurement of EEG and fNIRS. AB - Previous studies reported mental stress as one of the major contributing factors leading to various diseases such as heart attack, depression and stroke. An accurate stress assessment method may thus be of importance to clinical intervention and disease prevention. We propose a joint independent component analysis (jICA) based approach to fuse simultaneous measurement of electroencephalography (EEG) and functional near-infrared spectroscopy (fNIRS) on the prefrontal cortex (PFC) as a means of stress assessment. For the purpose of this study, stress was induced by using an established mental arithmetic task under time pressure with negative feedback. The induction of mental stress was confirmed by salivary alpha amylase test. Experiment results showed that the proposed fusion of EEG and fNIRS measurements improves the classification accuracy of mental stress by +3.4% compared to EEG alone and +11% compared to fNIRS alone. Similar improvements were also observed in sensitivity and specificity of proposed approach over unimodal EEG/fNIRS. Our study suggests that combination of EEG (frontal alpha rhythm) and fNIRS (concentration change of oxygenated hemoglobin) could be a potential means to assess mental stress objectively. PMID- 27867701 TI - Real-time photo-magnetic imaging. AB - We previously introduced a new high resolution diffuse optical imaging modality termed, photo-magnetic imaging (PMI). PMI irradiates the object under investigation with near-infrared light and monitors the variations of temperature using magnetic resonance thermometry (MRT). In this paper, we present a real-time PMI image reconstruction algorithm that uses analytic methods to solve the forward problem and assemble the Jacobian matrix much faster. The new algorithm is validated using real MRT measured temperature maps. In fact, it accelerates the reconstruction process by more than 250 times compared to a single iteration of the FEM-based algorithm, which opens the possibility for the real-time PMI. PMID- 27867703 TI - Deep imaging of absorption and scattering features by multispectral multiple scattering low coherence interferometry. AB - We have developed frequency domain multispectral multiple scattering low coherence interferometry (ms2/LCI) for deep imaging of absorption and scattering contrast. Using tissue-mimicking phantoms that match the full scattering phase function of human dermal tissue, we demonstrate that ms2/LCI can provide a signal/noise ratio (SNR) improvement of 15.4 dB over conventional OCT at an imaging depth of 1 mm. The enhanced SNR and penetration depth provided by ms2/LCI could be leveraged for a variety of clinical applications including the assessment of burn injuries where current clinical classification of severity only provides limited accuracy. The utility of the approach was demonstrated by imaging a tissue phantom simulating a partial-thickness burn revealing good spectroscopic contrast between healthy and injured tissue regions deep below the sample surface. Finally, healthy rat skin was imaged in vivo with both a commercial OCT instrument and our custom ms2/LCI system. The results demonstrate that ms2/LCI is capable of obtaining spectroscopic information far beyond the penetration depth provided by conventional OCT. PMID- 27867702 TI - Evaluation of artifact reduction in optical coherence tomography angiography with real-time tracking and motion correction technology. AB - Artifacts introduced by eye motion in optical coherence tomography angiography (OCTA) affect the interpretation of images and the quantification of parameters with clinical value. Eradication of such artifacts in OCTA remains a technical challenge. We developed an algorithm that recognizes five different types of motion artifacts and used it to evaluate the performance of three motion removal technologies. On en face maximum projection of flow images, the summed flow signal in each row and column and the correlation between neighboring rows and columns were calculated. Bright line artifacts were recognized by large summed flow signal. Drifts, distorted lines, and stretch artifacts exhibited abnormal correlation values. Residual lines were simultaneously a local maximum of summed flow and a local minimum of correlation. Tracking-assisted scanning integrated with motion correction technology (MCT) demonstrated higher performance than tracking or MCT alone in healthy and diabetic eyes. PMID- 27867704 TI - Quantitative chemical imaging with background-free multiplex coherent anti-Stokes Raman scattering by dual-soliton Stokes pulses. AB - Coherent anti-Stokes Raman microscopy (CARS) is a quantitative, chemically specific, and label-free optical imaging technique for studying inhomogeneous systems. However, the complicating influence of the nonresonant response on the CARS signal severely limits its sensitivity and specificity and especially limits the extent to which CARS microscopy has been used as a fully quantitative imaging technique. On the basis of spectral focusing mechanism, we establish a dual soliton Stokes based CARS microspectroscopy and microscopy scheme capable of quantifying the spatial information of densities and chemical composition within inhomogeneous samples, using a single fiber laser. Dual-soliton Stokes scheme not only removes the nonresonant background but also allows robust acquisition of multiple characteristic vibrational frequencies. This all-fiber based laser source can cover the entire fingerprint (800-2200 cm-1) region with a spectral resolution of 15 cm-1. We demonstrate that quantitative degree determination of lipid-chain unsaturation in the fatty acids mixture can be achieved by the characterization of C = C stretching and CH2 deformation vibrations. For microscopy purposes, we show that the spatially inhomogeneous distribution of lipid droplets can be further quantitatively visualized using this quantified degree of lipid unsaturation in the acyl chain for contrast in the hyperspectral CARS images. The combination of compact excitation source and background-free capability to facilitate extraction of quantitative composition information with multiplex spectral peaks will enable wider applications of quantitative chemical imaging in studying biological and material systems. PMID- 27867706 TI - Simultaneous in vivo imaging of diffuse optical reflectance, optoacoustic pressure and ultrasonic scattering. AB - We present reflection-mode bioimaging system providing complementary optical, photoacsoutic and acoustic measurements by acoustic detector after each laser pulse. While the photons absorbed within the sample provide optoacoustic (OA) signals, the photons absorbed by the external electrode of a detector provide the measurable diffuse reflectance (DR) from the sample and the probing ultrasonic (US) pulse. To demonstrate the in vivo capabilities of the system we present the results of complementary DR/OA/US imaging of a mouse tumor, head of a newborn rat, and the back of a newborn rat with 3.5mm/50MUm/35MUm lateral resolution. Trimodal approach allows visualization of mechanical structures in healthy and pathological tissues along with peculiarities of blood supply. The system may be used for diagnostics of diseases accompanied by the defects of vascularization as well as for assessing the mechanisms of vascular changes when monitoring response to therapy. PMID- 27867705 TI - 3D differential phase contrast microscopy. AB - We demonstrate 3D phase and absorption recovery from partially coherent intensity images captured with a programmable LED array source. Images are captured through focus with four different illumination patterns. Using first Born and weak object approximations (WOA), a linear 3D differential phase contrast (DPC) model is derived. The partially coherent transfer functions relate the sample's complex refractive index distribution to intensity measurements at varying defocus. Volumetric reconstruction is achieved by a global FFT-based method, without an intermediate 2D phase retrieval step. Because the illumination is spatially partially coherent, the transverse resolution of the reconstructed field achieves twice the NA of coherent systems and improved axial resolution. PMID- 27867707 TI - Scanless functional imaging of hippocampal networks using patterned two-photon illumination through GRIN lenses. AB - Patterned illumination through the phase modulation of light is increasingly recognized as a powerful tool to investigate biological tissues in combination with two-photon excitation and light-sensitive molecules. However, to date two photon patterned illumination has only been coupled to traditional microscope objectives, thus limiting the applicability of these methods to superficial biological structures. Here, we show that phase modulation can be used to efficiently project complex two-photon light patterns, including arrays of points and large shapes, in the focal plane of graded index (GRIN) lenses. Moreover, using this approach in combination with the genetically encoded calcium indicator GCaMP6, we validate our system performing scanless functional imaging in rodent hippocampal networks in vivo ~1.2 mm below the brain surface. Our results open the way to the application of patterned illumination approaches to deep regions of highly scattering biological tissues, such as the mammalian brain. PMID- 27867709 TI - Optimal wavelengths for optoacoustic measurements of blood oxygen saturation in biological tissues. AB - The non-invasive measurement of blood oxygen saturation in blood vessels is a promising clinical application of optoacoustic imaging. Nevertheless, precise optoacoustic measurements of blood oxygen saturation are limited because of the complexities of calculating the spatial distribution of the optical fluence. In the paper error in the determination of blood oxygen saturation, associated with the use of approximate methods of optical fluence evaluation within the blood vessel, was investigated for optoacoustic measurements at two wavelengths. The method takes into account both acoustic pressure noise and the error in determined values of the optical scattering and absorption coefficients used for the calculation of the fluence. It is shown that, in conditions of an unknown (or partially known) spatial distribution of fluence at depths of 2 to 8 mm, minimal error in the determination of blood oxygen saturation is achieved at wavelengths of 658 +/- 40 nm and 1069 +/- 40 nm. PMID- 27867708 TI - In vivo volumetric fluorescence sectioning microscopy with mechanical-scan-free hybrid illumination imaging. AB - Optical sectioning microscopy in wide-field fashion has been widely used to obtain three-dimensional images of biological samples; however, it requires scanning in depth and considerable time to acquire multiple depth information of a volumetric sample. In this paper, in vivo optical sectioning microscopy with volumetric hybrid illumination, with no mechanical moving parts, is presented. The proposed system is configured such that the optical sectioning is provided by hybrid illumination using a digital micro-mirror device (DMD) for uniform and non uniform pattern projection, while the depth of imaging planes is varied by using an electrically tunable-focus lens with invariant magnification and resolution. We present and characterize the design, implementation, and experimentally demonstrate the proposed system's ability through 3D imaging of in vivo Canenorhabditis elegans' growth cones. PMID- 27867710 TI - Intraocular scattering compensation in retinal imaging. AB - Intraocular scattering affects fundus imaging in a similar way that affects vision; it causes a decrease in contrast which depends on both the intrinsic scattering of the eye but also on the dynamic range of the image. Consequently, in cases where the absolute intensity in the fundus image is important, scattering can lead to a wrong estimation. In this paper, a setup capable of acquiring fundus images and estimating objectively intraocular scattering was built, and the acquired images were then used for scattering compensation in fundus imaging. The method consists of two parts: first, reconstruct the individual's wide-angle Point Spread Function (PSF) at a specific wavelength to be used within an enhancement algorithm on an acquired fundus image to compensate for scattering. As a proof of concept, a single pass measurement with a scatter filter was carried out first and the complete algorithm of the PSF reconstruction and the scattering compensation was applied. The advantage of the single pass test is that one can compare the reconstructed image with the original one and see the validity, thus testing the efficiency of the method. Following the test, the algorithm was applied in actual fundus images in human eyes and the effect on the contrast of the image before and after the compensation was compared. The comparison showed that depending on the wavelength, contrast can be reduced by 8.6% under certain conditions. PMID- 27867711 TI - Automated data selection method to improve robustness of diffuse optical tomography for breast cancer imaging. AB - Imaging-guided near infrared diffuse optical tomography (DOT) has demonstrated a great potential as an adjunct modality for differentiation of malignant and benign breast lesions and for monitoring treatment response of breast cancers. However, diffused light measurements are sensitive to artifacts caused by outliers and errors in measurements due to probe-tissue coupling, patient and probe motions, and tissue heterogeneity. In general, pre-processing of the measurements is needed by experienced users to manually remove these outliers and therefore reduce imaging artifacts. An automated method of outlier removal, data selection, and filtering for diffuse optical tomography is introduced in this manuscript. This method consists of multiple steps to first combine several data sets collected from the same patient at contralateral normal breast and form a single robust reference data set using statistical tests and linear fitting of the measurements. The second step improves the perturbation measurements by filtering out outliers from the lesion site measurements using model based analysis. The results of 20 malignant and benign cases show similar performance between manual data processing and automated processing and improvement in tissue characterization of malignant to benign ratio by about 27%. PMID- 27867712 TI - Enhancement of image quality and imaging depth with Airy light-sheet microscopy in cleared and non-cleared neural tissue. AB - We have investigated the effect of Airy illumination on the image quality and depth penetration of digitally scanned light-sheet microscopy in turbid neural tissue. We used Fourier analysis of images acquired using Gaussian and Airy light sheets to assess their respective image quality versus penetration into the tissue. We observed a three-fold average improvement in image quality at 50 MUm depth with the Airy light-sheet. We also used optical clearing to tune the scattering properties of the tissue and found that the improvement when using an Airy light-sheet is greater in the presence of stronger sample-induced aberrations. Finally, we used homogeneous resolution probes in these tissues to quantify absolute depth penetration in cleared samples with each beam type. The Airy light-sheet method extended depth penetration by 30% compared to a Gaussian light-sheet. PMID- 27867713 TI - Wavelength-normalized spectroscopic analysis of Staphylococcus aureus and Pseudomonas aeruginosa growth rates. AB - Optical density (OD) measurements are the standard approach used in microbiology for characterizing bacteria concentrations in culture media. OD is based on measuring the optical absorbance of a sample at a single wavelength, and any error will propagate through all calculations, leading to reproducibility issues. Here, we use the conventional OD technique to measure the growth rates of two different species of bacteria, Pseudomonas aeruginosa and Staphylococcus aureus. The same samples are also analyzed over the entire UV-Vis wavelength spectrum, allowing a distinctly different strategy for data analysis to be performed. Specifically, instead of only analyzing a single wavelength, a multi-wavelength normalization process is implemented. When the OD method is used, the detected signal does not follow the log growth curve. In contrast, the multi-wavelength normalization process minimizes the impact of bacteria byproducts and environmental noise on the signal, thereby accurately quantifying growth rates with high fidelity at low concentrations. PMID- 27867714 TI - Automatic identification of the temporal retinal nerve fiber raphe from macular cube data. AB - We evaluated several approaches for automatic location of the temporal nerve fiber raphe from standard macular cubes acquired on a Heidelberg Spectralis OCT. Macular cubes with B-scan separation of 96-122 um were acquired from 15 healthy participants, and "high density" cubes with scan separation of 11 um were acquired from the same eyes. These latter scans were assigned to experienced graders for subjective location of the raphe, providing the ground truth by which to compare methods operating on the lower density data. A variety of OCT scan parameters and image processing strategies were trialed. Vertically oriented scans, purposeful misalignment of the pupil to avoid reflective artifacts, and the use of intensity as opposed to thickness of the nerve fiber layer were all critical to minimize error. The best performing approach "cFan" involved projection of a fan of lines from each of several locations across the foveal pit; in each fan the line of least average intensity was identified. The centroid of the crossing points of these lines provided the raphe orientation with an average error of 1.5 degrees (max = 4.1 degrees ) relative to the human graders. The disc-fovea-raphe angle was 172.4 +/- 2.3 degrees (range = 168.5-176.2 degrees ), which agrees well with other published estimates. PMID- 27867715 TI - Changes of collagen ultrastructure in breast cancer tissue determined by second harmonic generation double Stokes-Mueller polarimetric microscopy. AB - Second-harmonic generation (SHG) double Stokes-Mueller polarimetric microscopy is applied to study the alteration of collagen ultrastructure in a tissue microarray containing three pathological human breast cancer types with differently overexpressed estrogen receptor (ER), progesterone receptor (PgR), and human epidermal growth factor receptor 2 (HER2). Kleinman symmetry is experimentally validated in breast tissue for 1028 nm laser wavelength and it has been shown that measurements with only linearly polarized incoming and outgoing states can determine molecular nonlinear susceptibility tensor component ratio, average in plane orientation of collagen fibers and degree of linear polarization of SHG. Increase in the susceptibility ratio for ER, PgR, HER2 positive cases, reveals ultrastructural changes in the collagen fibers while the susceptibility ratio increase and decrease in degree of linear polarization for ER and PgR positive cases indicate alteration of the ultrastructure and increased disorder of the collagen fibers within each focal volume. The study demonstrates a potential use of polarimetric SHG microscopy for collagen characterization and cancer diagnostics. PMID- 27867716 TI - Automatic classification of atherosclerotic plaques imaged with intravascular OCT. AB - Intravascular optical coherence tomography (IV-OCT) allows evaluation of atherosclerotic plaques; however, plaque characterization is performed by visual assessment and requires a trained expert for interpretation of the large data sets. Here, we present a novel computational method for automated IV-OCT plaque characterization. This method is based on the modeling of each A-line of an IV OCT data set as a linear combination of a number of depth profiles. After estimating these depth profiles by means of an alternating least square optimization strategy, they are automatically classified to predefined tissue types based on their morphological characteristics. The performance of our proposed method was evaluated with IV-OCT scans of cadaveric human coronary arteries and corresponding tissue histopathology. Our results suggest that this methodology allows automated identification of fibrotic and lipid-containing plaques. Moreover, this novel computational method has the potential to enable high throughput atherosclerotic plaque characterization. PMID- 27867717 TI - Holographic tomography with scanning of illumination: space-domain reconstruction for spatially invariant accuracy. AB - The paper presents two novel, space-domain reconstruction algorithms for holographic tomography utilizing scanning of illumination and a fixed detector that is highly suitable for imaging of living biomedical specimens. The first proposed algorithm is an adaptation of the filtered backpropagation to the scanning illumination tomography. Its space-domain implementation enables avoiding the error-prone interpolation in the Fourier domain, which is a significant problem of the state-of-the-art tomographic algorithm. The second proposed algorithm is a modified version of the former, which ensures the spatially invariant reconstruction accuracy. The utility of the proposed algorithms is demonstrated with numerical simulations and experimental measurement of a cancer cell. PMID- 27867719 TI - Monitoring cerebral oxygenation and local field potential with a variation of isoflurane concentration in a rat model. AB - We aimed to investigate experimentally how anesthetic levels affect cerebral metabolism measured by near-infrared spectroscopy (NIRS) and to identify a robust marker among NIRS parameters to discriminate various stages of anesthetic depth in rats under isoflurane anesthesia. In order to record the hemodynamic changes and local field potential (LFP) in the brain, fiber-optic cannulae and custom made microelectrodes were implanted in the frontal cortex of the skull. The NIRS and LFP signals were continuously monitored before, during and after isoflurane anesthesia. As isoflurane concentration is reduced, the level of oxyhemoglobin and total hemoglobin concentrations of the frontal cortex decreased gradually, while deoxyhemoglobin increased. The reflectance ratio between 730nm and 850nm and burst suppression ratio (BSR) correspond similarly with the change of oxyhemoglobin during the variation of isoflurane concentration. These results suggest that NIRS signals in addition to EEG may provide a possibility of developing a new anesthetic depth index. PMID- 27867720 TI - Biodegradable polymeric nanoparticles containing gold nanoparticles and Paclitaxel for cancer imaging and drug delivery using photoacoustic methods. AB - In this study, optical-triggered multifunctional theranostic agents for photoacoustic/fluorescent imaging and cancer therapy have been developed. This system consists of a perfluorohexane liquid and gold nanoparticles (GNPs) in the core, stabilized by a Poly (lactide-co-glycolic acid) (PLGA) polymer shell. When cancer cells containing PLGA-GNPs were exposed to laser pulses, cell viability decreased due to the vaporization of the particles in and around the cells. The particle chemo drug loading and delivery capacity was also investigated in vitro experiments. These particles show potential as photoacoustic imaging and therapy agents for future clinical translation in cancer therapy. PMID- 27867718 TI - Temporal multiplexing with adaptive optics for simultaneous vision. AB - We present and test a methodology for generating simultaneous vision with a deformable mirror that changed shape at 50 Hz between two vergences: 0 D (far vision) and -2.5 D (near vision). Different bifocal designs, including toric and combinations of spherical aberration, were simulated and assessed objectively. We found that typical corneal aberrations of a 60-year-old subject changes the shape of objective through-focus curves of a perfect bifocal lens. This methodology can be used to investigate subjective visual performance for different multifocal contact or intraocular lens designs. PMID- 27867721 TI - Wide-field optical coherence micro-elastography for intraoperative assessment of human breast cancer margins. AB - Incomplete excision of malignant tissue is a major issue in breast-conserving surgery, with typically 20 - 30% of cases requiring a second surgical procedure arising from postoperative detection of an involved margin. We report advances in the development of a new intraoperative tool, optical coherence micro elastography, for the assessment of tumor margins on the micro-scale. We demonstrate an important step by conducting whole specimen imaging in intraoperative time frames with a wide-field scanning system acquiring mosaicked elastograms with overall dimensions of ~50 * 50 mm, large enough to image an entire face of most lumpectomy specimens. This capability is enabled by a wide aperture annular actuator with an internal diameter of 65 mm. We demonstrate feasibility by presenting elastograms recorded from freshly excised human breast tissue, including from a mastectomy, lumpectomies and a cavity shaving. PMID- 27867722 TI - Feasibility of spatial frequency domain imaging (SFDI) for optically characterizing a preclinical oncology model. AB - Determination of chemotherapy efficacy early during treatment would provide more opportunities for physicians to alter and adapt treatment plans. Diffuse optical technologies may be ideally suited to track early biological events following chemotherapy administration due to low cost and high information content. We evaluated the use of spatial frequency domain imaging (SFDI) to characterize a small animal tumor model in order to move towards the goal of endogenous optical monitoring of cancer therapy in a controlled preclinical setting. The effects of key measurement parameters including the choice of imaging spatial frequency and the repeatability of measurements were evaluated. The precision of SFDI optical property extractions over repeat mouse measurements was determined to be within 3.52% for move and replace experiments. Baseline optical properties and chromophore values as well as intratumor heterogeneity were evaluated over 25 tumors. Additionally, tumor growth and chemotherapy response were monitored over a 45 day longitudinal study in a small number of mice to demonstrate the ability of SFDI to track treatment effects. Optical scattering and oxygen saturation increased as much as 70% and 25% respectively in treated tumors, suggesting SFDI may be useful for preclinical tracking of cancer therapies. PMID- 27867723 TI - All-optical highly sensitive akinetic sensor for ultrasound detection and photoacoustic imaging. AB - A novel all-optical akinetic ultrasound sensor, consisting of a rigid, fiber coupled Fabry-Perot etalon with a transparent central opening is presented. The sensing principle relies exclusively on the detection of pressure-induced changes of the refractive index in the fluid filling the Fabry-Perot cavity. This enables resonance-free, inherently linear signal detection over a broad bandwidth. We demonstrate that the sensor achieves a exceptionally low peak noise equivalent pressure (NEP) values of 2 Pa over a 20 MHz measurement bandwidth (without signal averaging), while maintaining a flat frequency response, and a detection bandwidth up to 22.5 MHz (-6 dB). The measured large full field of view of the sensor is 2.7 mm * 1.3 mm and the dynamic range is [Formula: see text] or 63 dB at 20 MHz bandwidth. For different required amplitude ranges the upper amplitude detection limit can be customized from at least 2 kPa to 2 MPa by using cavity mirrors with a lower optical reflectivity. Imaging tests on a resolution target and on biological tissue show the excellent suitability of the akinetic sensor for optical resolution photoacoustic microscopy (OR-PAM) applications. PMID- 27867724 TI - Dual-color multiple-particle tracking at 50-nm localization and over 100-um range in 3D with temporal focusing two-photon microscopy. AB - Nanoscale particle tracking in three dimensions is crucial to directly observe dynamics of molecules and nanoparticles in living cells. Here we present a three dimensional particle tracking method based on temporally focused two-photon excitation. Multiple particles are imaged at 30 frames/s in volume up to 180 * 180 * 100 um3. The spatial localization precision can reach 50 nm. We demonstrate its capability of tracking fast swimming microbes at speed of ~200 um/s. Two photon dual-color tracking is achieved by simultaneously exciting two kinds of fluorescent beads at 800 nm to demonstrate its potential in molecular interaction studies. Our method provides a simple wide-field fluorescence imaging approach for deep multiple-particle tracking. PMID- 27867725 TI - Phase stretch transform for super-resolution localization microscopy. AB - Super-resolution localization microscopy has revolutionized the observation of living structures at the cellular scale, by achieving a spatial resolution that is improved by more than an order of magnitude compared to the diffraction limit. These methods localize single events from isolated sources in repeated cycles in order to achieve super-resolution. The requirement for sparse distribution of simultaneously activated sources in the field of view dictates the acquisition of thousands of frames in order to construct the full super-resolution image. As a result, these methods have slow temporal resolution which is a major limitation when investigating live-cell dynamics. In this paper we present the use of a phase stretch transform for high-density super-resolution localization microscopy. This is a nonlinear frequency dependent transform that emulates the propagation of light through a physical medium with a specific warped diffractive property and applies a 2D phase function to the image in the frequency domain. By choosing properly the transform parameters and the phase kernel profile, the point spread function of each emitter can be sharpened and narrowed. This enables the localization of overlapping emitters, thus allowing a higher density of activated emitters as well as shorter data collection acquisition rates. The method is validated by numerical simulations and by experimental data obtained using a microtubule sample. PMID- 27867726 TI - Time-resolved fluorescence spectroscopy for clinical diagnosis of actinic cheilitis. AB - Actinic cheilitis is a potentially malignant disorder of the lips. Its first cause is believed to be UV sun radiation. The lesion is highly heterogeneous, making the choice of area to be biopsied difficult. This study exploits the capabilities of time-resolved fluorescence spectroscopy for the identification of the most representative area to be biopsied. A preliminary study was performed on fourteen patients. A classification algorithm was used on data acquired on nine different biopsies. The algorithm discriminated between absent, mild, and moderate dysplasia with a sensitivity of 92.9%, 90.0%, and 80.0%, respectively. The false positive rate for healthy tissue (specificity) was 88.8%. PMID- 27867727 TI - Optical lens-microneedle array for percutaneous light delivery. AB - The limited penetration depth of light in skin tissues is a practical bottleneck in dermatologic applications of light-induced therapies, including anti-microbial blue light therapy and photodynamic skin cancer therapy. Here, we demonstrate a novel device, termed optical microneedle array (OMNA), for percutaneous light delivery. A prototype device with a 11 by 11 array of needles at a spacing of 1 mm and a length of 1.6 mm was fabricated by press-molding poly-(lactic acid) (PLA) polymers. The device also incorporates a matched microlens array that focuses the light through the needle tips at specific points to achieve an optimal intensity profile in the tissue. In experiments done with bovine tissues, the OMNA enabled us to deliver a total of 7.5% of the input photons at a wavelength of 491 nm, compared to only 0.85% without the device. This 9-fold enhancement of light delivery was close to the prediction of 10.8 dB by ray tracing simulation and is expected to increase the effective treatment depth of anti-microbial blue light therapy significantly from 1.3 to 2.5 mm in human skin. PMID- 27867728 TI - Label free measurement of retinal blood cell flux, velocity, hematocrit and capillary width in the living mouse eye. AB - Measuring blood cell dynamics within the capillaries of the living eye provides crucial information regarding the health of the microvascular network. To date, the study of single blood cell movement in this network has been obscured by optical aberrations, hindered by weak optical contrast, and often required injection of exogenous fluorescent dyes to perform measurements. Here we present a new strategy to non-invasively image single blood cells in the living mouse eye without contrast agents. Eye aberrations were corrected with an adaptive optics camera coupled with a fast, 15 kHz scanned beam orthogonal to a capillary of interest. Blood cells were imaged as they flowed past a near infrared imaging beam to which the eye is relatively insensitive. Optical contrast of cells was optimized using differential scatter of blood cells in the split-detector imaging configuration. Combined, these strategies provide label-free, non-invasive imaging of blood cells in the retina as they travel in single file in capillaries, enabling determination of cell flux, morphology, class, velocity, and rheology at the single cell level. PMID- 27867729 TI - Binocular summation and visual function with induced anisocoria and monovision. AB - The advances in new techniques for correcting presbyopia, such as a small aperture combined with monovision, require an in-depth study of binocular aspects. In this work, we have studied binocular visual performance of 12 subjects after inducing different degrees of anisocoria combined with two different add powers in the non-dominant eye. We have analysed visual performance in terms of the visual-discrimination capacity (a function to evaluate the strength of bothersome halos) and the contrast-sensitivity. The results show a deterioration of the binocular vision when inducing anisocoria and with any add power, with a higher perception of halos, a lower contrast sensitivity and poorer binocular summation of these visual functions on increasing anisocoria. This deterioration is clinically acceptable in the case of low add power, since positive binocular summation is maintained in contrast sensitivity, and visual discrimination is not altered. PMID- 27867730 TI - Adaptive illumination reduces photobleaching in structured illumination microscopy. AB - Photobleaching is a major factor limiting the observation time in fluorescence microscopy. We achieve photobleaching reduction in structured illumination microscopy (SIM) by locally adjusting the illumination intensities according to the sample. Adaptive SIM is enabled by a digital micro-mirror device (DMD), which provides a projection of the grayscale illumination patterns. We demonstrate a reduction in photobleaching by a factor of three in adaptive SIM compared to the non-adaptive SIM based on a spot grid scanning approach. Our proof-of-principle experiments show great potential for DMD-based microscopes to become a more useful tool in live-cell SIM imaging. PMID- 27867731 TI - Functional imaging of the human brain using a modular, fibre-less, high-density diffuse optical tomography system. AB - We present the first three-dimensional, functional images of the human brain to be obtained using a fibre-less, high-density diffuse optical tomography system. Our technology consists of independent, miniaturized, silicone-encapsulated DOT modules that can be placed directly on the scalp. Four of these modules were arranged to provide up to 128, dual-wavelength measurement channels over a scalp area of approximately 60 * 65 mm2. Using a series of motor-cortex stimulation experiments, we demonstrate that this system can obtain high-quality, continuous wave measurements at source-detector separations ranging from 14 to 55 mm in adults, in the presence of hair. We identify robust haemodynamic response functions in 5 out of 5 subjects, and present diffuse optical tomography images that depict functional haemodynamic responses that are well-localized in all three dimensions at both the individual and group levels. This prototype modular system paves the way for a new generation of wearable, wireless, high-density optical neuroimaging technologies. PMID- 27867733 TI - Multi-wavelength photoplethysmography method for skin arterial pulse extraction. AB - In this work, we present a multi-wavelength (MW) PPG method exploiting the wavelength dependence of light penetration in skin tissue to provide depth resolution of skin blood pulsation. The MW PPG system requires two to three light sources in different wavelengths and extracts the arterial blood pulsation through a multi-wavelength multi-layer light-skin interaction model, which removes the capillary pulsation (determined from the short-wavelength PPG signal) from the long-wavelength PPG signal using absorption weighting factors that are quasi-analytically calibrated. The extracted pulsations are used to calculate blood pressure (BP) through pulse transit time (PTT), and the results are compared with those obtained from the single wavelength PPG method. The comparative study is clinically performed on 20 subjects including 10 patients diagnosed with cardiovascular diseases and 10 healthy subjects. The result demonstrates that the MW PPG method significantly improves the measurement accuracy of systolic BP (SBP), reducing the mean absolute difference between the reference and the estimated SBP values from 5.7 mmHg (for single-wavelength PPG) to 2.9 mmHg (for three-wavelength PPG). PMID- 27867734 TI - In vitro hematocrit measurement using spectrally encoded flow cytometry. AB - Measuring key physiological parameters of small blood samples extracted from patients could be useful for real-time clinical diagnosis at the point of care. An important parameter required from all blood tests is the blood hematocrit, a measure of the fractional volume occupied by the red cells within the blood. In this work, we present a method for in vitro evaluation of hematocrit based on the data acquired using spectrally encoded flow cytometry. Analysis of the reflectance confocal images of blood within a flow chamber resulted in an error as low as 1.7% in the measured hematocrit. The technique could be used as part of an in vitro diagnostic system that measures important blood parameters at the point of care. PMID- 27867735 TI - Spectrally-broad coherent anti-Stokes Raman scattering hyper-microscopy utilizing a Stokes supercontinuum pumped at 800 nm. AB - We demonstrate spectral-focusing based coherent anti-Stokes Raman scattering (SF CARS) hyper-microscopy capable of probing vibrational frequencies from 630 cm-1 to 3250 cm-1 using a single Ti:Sapphire femtosecond laser operating at 800 nm, and a commercially-available supercontinuum-generating fibre module. A broad Stokes supercontinuum with significant spectral power at wavelengths between 800 nm and 940 nm is generated by power tuning the fibre module using atypically long and/or chirped ~200 fs pump pulses, allowing convenient access to lower vibrational frequencies in the fingerprint spectral region. This work significantly reduces the instrumental and technical requirements for multimodal CARS microscopy, while expanding the spectral capabilities of an established approach to SF-CARS. PMID- 27867732 TI - Dynamic contrast optical coherence tomography images transit time and quantifies microvascular plasma volume and flow in the retina and choriocapillaris. AB - Despite the prevalence of optical imaging techniques to measure hemodynamics in large retinal vessels, quantitative measurements of retinal capillary and choroidal hemodynamics have traditionally been challenging. Here, a new imaging technique called dynamic contrast optical coherence tomography (DyC-OCT) is applied in the rat eye to study microvascular blood flow in individual retinal and choroidal layers in vivo. DyC-OCT is based on imaging the transit of an intravascular tracer dynamically as it passes through the field-of-view. Hemodynamic parameters can be determined through quantitative analysis of tracer kinetics. In addition to enabling depth-resolved transit time, volume, and flow measurements, the injected tracer also enhances OCT angiograms and enables clear visualization of the choriocapillaris, particularly when combined with a post processing method for vessel enhancement. DyC-OCT complements conventional OCT angiography through quantification of tracer dynamics, similar to fluorescence angiography, but with the important added benefit of laminar resolution. PMID- 27867736 TI - Quantification in time-domain diffuse optical tomography using Mellin-Laplace transforms. AB - Simulations and phantom measurements are used to evaluate the ability of time domain diffuse optical tomography using Mellin-Laplace transforms to quantify the absorption perturbation of centimetric objects immersed at depth 1-2 cm in turbid media. We find that the estimated absorption coefficient varies almost linearly with the absorption change in the range of 0-0.15 cm-1 but is underestimated by a factor that depends on the inclusion depth (~2, 3 and 6 for depths of 1.0, 1.5 and 2.0 cm respectively). For larger absorption changes, the variation is sublinear with ~20% decrease for deltaMUa = 0.37 cm-1. By contrast, constraining the absorption change to the actual volume of the inclusion may considerably improve the accuracy and linearity of the reconstructed absorption. PMID- 27867737 TI - Developing the Philippines as a Global Hub for Disaster Risk Reduction - A Health Research Initiative as Presented at the 10th Philippine National Health Research System Week Celebration. AB - The recent Philippine National Health Research System (PNHRS) Week Celebration highlighted the growing commitment to Disaster Risk Reduction (DRR) in the Philippines. The event was lead by the Philippine Council for Health Research and Development of the Department of Science and Technology and the Department of Health, and saw the participation of national and international experts in DRR, and numerous research consortia from all over the Philippines. With a central focus on the Sendai Framework for Disaster Risk Reduction, the DRR related events recognised the significant disaster risks faced in the Philippines. They also illustrated the Philippine strengths and experience in DRR. Key innovations in science and technology showcased at the conference include the web-base hazard mapping applications 'Project NOAH' and 'FaultFinder'. Other notable innovations include 'Surveillance in Post Extreme Emergencies and Disasters' (SPEED) which monitors potential outbreaks through a syndromic reporting system. Three areas noted for further development in DRR science and technology included: integrated national hazard assessment, strengthened collaboration, and improved documentation. Finally, the event saw the proposal to develop the Philippines into a global hub for DRR. The combination of the risk profile of the Philippines, established national structures and experience in DRR, as well as scientific and technological innovation in this field are potential factors that could position the Philippines as a future global leader in DRR. The purpose of this article is to formally document the key messages of the DRR-related events of the PNHRS Week Celebration. PMID- 27867738 TI - Evaluation of electrical impedance spectroscopy as an adjunct to dermoscopy in short-term monitoring of atypical melanocytic lesions. AB - BACKGROUND: Early detection of melanoma is vital for treatment outcome and survival. Short-term sequential digital dermoscopic monitoring (ST-SDDM) involves the capture and assessment of dermoscopic images of one or more atypical melanocytic lesions (AMLs), at baseline and after four months, in order to detect early morphologic changes. Electrical impedance spectroscopy (EIS) is a diagnostic tool with high sensitivity for the detection of malignant melanocytic lesions. OBJECTIVES: The aim of this study was to assess whether EIS, in addition to ST-SDDM, could improve the selection of AMLs requiring surgery. METHODS: In this retrospective descriptive study, 22 AMLs in 19 patients were monitored with both ST-SDDM and EIS. A modified EIS decision-making algorithm was established. AMLs were excised if any dermoscopic changes were seen and/or if the EIS score had increased significantly at follow-up. Statistical analyses were made including sensitivity, specificity, PPV and NPV. RESULTS: A total of seven lesions (32%) were excised. Four lesions (57%) were excised solely because of dermoscopic changes including a 0.4 mm-thick melanoma and three benign nevi. Three benign lesions (43%) were excised because of increased EIS scores without any dermoscopic changes. The EIS scores at follow-up showed high variability as compared to the initial scores. CONCLUSION: The addition of EIS to ST-SDDM did not identify additional malignant lesions. There was no correlation between dermoscopic changes seen with ST-SDDM and increased EIS scores. Three histopathologically benign lesions were needlessly excised. Moreover, the low reproducibility and the possible interoperator variability of the method raised concerns. PMID- 27867740 TI - Regressing basal-cell carcinoma masquerading as benign lichenoid keratosis. AB - BACKGROUND: Benign lichenoid keratosis (BLK, LPLK) is often misdiagnosed clinically as superficial basal-cell carcinoma (BCC), especially when occurring on the trunk. However, BCCs undergoing regression may be associated with a lichenoid interface dermatitis that may be misinterpreted as BLK in histopathologic sections. METHODS: In order to assess the frequency of remnants of BCC in lesions interpreted as BLK, we performed step sections on 100 lesions from the trunk of male patients that had been diagnosed as BLK. RESULTS: Deeper sections revealed remnants of superficial BCC in five and remnants of a melanocytic nevus in two specimens. In the original sections of cases in which a BCC showed up, crusts tended to be more common, whereas vacuolar changes at the dermo-epidermal junction and melanophages in the papillary dermis tended to be less common and less pronounced. CONCLUSIONS: Lesions from the trunk submitted as BCC and presenting histopathologically as a lichenoid interface dermatitis are not always BLKs. Although no confident recommendations can be given on the basis of this limited study, deeper sections may be warranted if lesions are crusted and/or associated with only minimal vacuolar changes at the dermo-epidermal junction and no or few melanophages in the papillary dermis. PMID- 27867741 TI - Pityriasis rubra pilaris-like eruption following insulin therapy initiation. AB - Pityriasis rubra pilaris (PRP) is a chronic disorder of keratinization of unclear pathogenesis. PRP-like eruptions induced by drugs have rarely been described. A previously healthy 29-year-old man presented with a generalized, rapidly spreading, erythematosquamous dermatosis, that started three days after initiation of subcutaneous insulin therapy for diabetes mellitus type 1. Clinical and histopathological features were consistent with a PRP-like eruption, possibly due to insulin therapy. The patient was switched to insulin analogue therapy and a complete healing of all lesions was achieved after two months. No recurrence was seen after one year of follow-up. Other possible etiologies of PRP were excluded. The mechanism leading to the occurrence of drug-induced PRP-like eruptions are not clear. Since PRP may occur in the context of immunological anomalies, it is possible that diabetes mellitus type 1 may have been a predisposing condition for the development of PRP in this case. PMID- 27867739 TI - Dermoscopic hemorrhagic dots: an early predictor of response of psoriasis to biologic agents. AB - BACKGROUND: Biologic agents are routinely used in the treatment of severe psoriasis. The evaluation of treatment response is mainly based on the physician's global clinical assessment. OBJECTIVE: To investigate whether dermoscopy might enhance the assessment of response of psoriasis to treatment with biologic agents. METHODS: Patients with severe psoriasis scheduled to receive a biologic agent were enrolled in the study. A target lesion from each patient was clinically and dermoscopically documented at baseline and after one, two and six months. The clinical response was evaluated by the recruiting clinicians at all visits, while dermoscopic images were evaluated by two independent investigators, blinded to the clinical information. Chi Square test was used for cross-tabulation comparisons, while odds ratios, 95% confidence intervals and p values were calculated using univariate logistic regression. RESULTS: Overall, there was a significant correlation between clinical response and vessel distribution at all time points: a regular vessel distribution correlated with no response, a clustered distribution with partial response, and the dermoscopic absence of vessels with complete response. The presence of dermoscopic hemorrhagic dots was a potent predictor of favorable clinical response at the subsequent visit at all time points. Among lesions initially clinically responding and later recurring, 87.5% displayed dermoscopic dotted vessels despite the macroscopic remission. CONCLUSION: Dermoscopy might be a useful additional tool for evaluating the response of psoriatic patients to biologic agents. Hemorrhagic dots represent an early predictor of clinical response, while the persistence or reappearance of dotted vessels might predict clinical persistence or recurrence, respectively. PMID- 27867742 TI - Dermoscopic appearance of an amelanotic mucosal melanoma. AB - BACKGROUND: Hypomelanotic or amelanotic melanomas are challenging to identify, especially at mucosal sites. The dermoscopic clues to the diagnosis of mucosal melanomas have been reported to be structureless zones with the presence of blue, gray, or white colors. CASE: A female in her seventies noted a new lesion on the inside of her right labia that first appeared two months prior. Her past medical history was significant for rheumatoid arthritis requiring ongoing treatment with methotrexate for 20 years and adalimumab for 10 years. After no response to two weeks of local treatment for suspected herpes simplex infection, her gynecologist performed a skin biopsy. Based on the histopathological diagnosis of an amelanotic melanoma (Breslow thickness of 1.3 mm) the patient was referred to dermatology for further assessment. Polarized dermoscopy revealed a distinct asymmetric, sharply demarcated homogenous white papule (4 * 5 mm) as well as polymorphous vessels. CONCLUSION: Dermoscopy may aid in the diagnosis of amelanotic mucosal melanomas. Our case revealed a structureless white area and polymorphous vessels. Additional clues to the diagnosis were the advanced age of the patient and the clinical presentation of a new lesion. PMID- 27867743 TI - In vivo reflectance confocal microscopy features of a melanoacanthoma. AB - Efforts have been expended to evaluate the reflectance confocal microscopy (RCM) features of different clinical entities in order to more thoroughly delineate benign versus malignant features. In this way, RCM can help clinicians to be more selective in regard to undertaking appropriate skin biopsies and improving their benign to malignant ratio. Herein, we report a case of a histopathologically proven melanoacanthoma, a variant of seborrheic keratosis. There are scarce reports describing the RCM features of melanoacanthoma. Our case demonstrated RCM features that were suspicious for melanoma. More RCM images of this benign entity are needed to establish definitive diagnostic criteria. PMID- 27867744 TI - IgA pemphigus showing IgA antibodies to desmoglein 1 and 3. AB - BACKGROUND: IgA pemphigus is a rare autoimmune vesiculo-pustular skin disease. Only approximately 70 cases have been reported to date. We report a case of IgA pemphigus with IgA antibodies to desmoglein 1 (Dsg1) and desmoglein 3 (Dsg3). CASE REPORT: We report the case of an 60-year-old man with intraepidermal neutrophilic IgA pemphigus with IgA antibodies to Dsg1 and Dsg3. Histologic examination revealed subcorneal neutrophilic pustules with few acantholytic cells. The disease was not effectively controlled by conventional therapeutic regimens (colchicine, dapsone). Systemic treatment with isotretinoin 25 mg/d and prednisone 20 mg/d achieved only a slight effect after six months. CONCLUSIONS: Our case confirmed the recalcitrant nature of IgA pemphigus in response to distinct therapies, indicating that further research focusing on therapeutic approaches for this type of pemphigus is needed. Physicians should keep IgA pemphigus in mind when approaching patients with bullous eruption. PMID- 27867745 TI - First description of the dermatoscopic features of acquired elastotic hemangioma a case report. AB - We present a case of acquired elastotic hemangioma (AEH), a rare, benign vascular tumor. A Caucasian male in his 60s presented with an asymptomatic, solitary, non pigmented and violaceous lesion of short duration on the dorsum of his hand. The lesion had unique clinical, dermatoscopic and pathological features. Dermatoscopic images of the lesion are presented for characterization and histopathological correlation that have not previously been published or described. PMID- 27867746 TI - Atypical case of lichen planus recognized by dermoscopy. AB - Lichen planus (LP) is an inflammatory disease that affects the skin-mainly the extremities and the trunk-the mucous membranes, the genitalia, the nails and the scalp. The diagnosis of LP is usually established clinically based on the typical morphology and distribution of the lesions in conjunction with the associated itch. We report a patient with LP manifesting highly psoriasiform lesions, that could only be correctly assessed after the application of dermoscopy, which revealed LP-specific findings. PMID- 27867747 TI - Early diagnosis of genital mucosal melanoma: how good are our dermoscopic criteria? AB - BACKGROUND: There are limited studies on the dermoscopic features of mucosal melanoma, particularly early-stage lesions. Described criteria include the presence of blue, gray, or white colors, with a reported sensitivity of 100%. It is unclear if these features will aid in the detection of early mucosal melanoma or improve diagnostic accuracy compared to naked-eye examination alone. CASE: An Asian female in her fifties was referred for evaluation of an asymptomatic, irregularly pigmented patch of the clitoral hood and labia minora of unknown duration. Her past medical history was notable for Stage IV non-small cell lung cancer. She denied a personal or family history of skin cancer. Dermoscopic evaluation of the vulvar lesion revealed heterogeneous brown and black pigmentation mostly composed of thick lines. There were no other colors or structures present. As the differential diagnosis included vulvar melanosis and mucosal melanoma, the patient was recommended to undergo biopsy, which was delayed due to complications from her underlying lung cancer. Repeat dermoscopic imaging performed three months later revealed significant changes concerning for melanoma, including increase in size, asymmetric darkening, and the appearance of structureless areas and central blue and pink colors. Histopathological examination of a biopsy and subsequent resection confirmed the diagnosis of melanoma in situ. CONCLUSION: Previously described dermoscopic features for mucosal melanoma may not have high sensitivity for early melanomas. Additional studies are needed to define the dermoscopic characteristics of mucosal melanomas that aid in early detection. Health care providers should have a low threshold for biopsy of mucosal lesions that show any clinical or dermoscopic features of melanoma, especially in older women. PMID- 27867748 TI - Pigmented Bowen's disease presenting with a "starburst" pattern. AB - Pigmented Bowen's disease (pBD) is an uncommon in situ squamous cell carcinoma of the skin usually presenting as a dark scaly plaque involving chronically exposed sites, which is not uncommonly mistaken for other similar pigmented lesions, such as melanoma, pigmented basal cell carcinoma or seborrheic keratosis [1,2]. Dermoscopy has been proven to improve its diagnosis by showing several findings, i.e., gray/brownish dots in linear arrangement, scales, coiled vessels, focal/multifocal amorphous hypopigmentation and bluish structureless areas [1,2]. However, pBD may sometimes display dermoscopic features which are typical of other pigmented lesions, thus making its recognition quite troublesome despite the use of dermoscopy [1,2]. We report a case of pBD with a "starburst" pattern, discussing its dermoscopic differential diagnosis. PMID- 27867749 TI - An irregular pigmented lesion on the back. PMID- 27867750 TI - Ethics, Risk, and Media Intervention: Women's Breast Cancer in Venezuela. AB - Breast cancer incidence and mortality rates are of concern among Latin American women, mainly due to the growing prevalence of this disease and the lack of compliance to proper breast cancer screening and treatment. Focusing on Venezuelan women and the challenges and barriers that interact with their health communication, this paper looks into issues surrounding women's breast cancer, such as the challenges and barriers to breast cancer care, the relevant ethics and responsibilities, the right to health, breast cancer risk perception and risk communication, and the media interventions that affect Venezuelan women's perceptions and actions pertaining to this disease. In particular, it describes an action-oriented research project in Venezuela that was conducted over a four year period of collaborative work among researchers, practitioners, NGOs, patients, journalists, and policymakers. The outcomes include positive indications on more effective interactions between physicians and patients, increasing satisfactions about issues of ethical treatment in providing healthcare services, more sufficient and responsible media coverage of breast cancer healthcare services and information, a widely supported declaration for a national response against breast cancer in Venezuela, and the creation of a code of ethics for the Venezuelan NGO that led the expansion of networking in support of women's breast cancer healthcare. PMID- 27867751 TI - T7 Phage Display Library a Promising Strategy to Detect Tuberculosis Specific Biomarkers. AB - One-third of the world's population is infected with tuberculosis, only 10% will develop active disease and the remaining 90% is considered to have latent TB (LTB). While active TB is contagious and can be lethal, the LTB can evolve to active TB. The diagnosis of TB can be challenging, especially in the early stages, due to the variability in presentation and nonspecific signs and symptoms. Currently, we have limited tools available to diagnose active TB, predict treatment efficacy and cure of active tuberculosis, the reactivation of latent tuberculosis infection, and the induction of protective immune responses through vaccination. Therefore, the identification of robust and accurate tuberculosis-specific biomarkers is crucial for the successful eradication of TB. In this commentary, we summarized the available methods for diagnosis and differentiation of active TB from LTB and their limitations. Additionally, we present a novel peptide microarray platform as promising strategy to identify TB biomarkers. PMID- 27867753 TI - Diabetic Wounds Exhibit Decreased Ym1 and Arginase Expression with Increased Expression of IL-17 and IL-20. AB - Objective: Impaired wound healing in diabetic (DB) patients is a significant health problem; however, the roles that cytokines and innate immune cells contribute to this impaired healing are not completely understood. Approach: A mouse model was used to compare the innate immune response during DB and normal wound healing. Two 5-mm full-thickness wounds were created on the dorsal skin of BKS.Cg-m+/+Leprdb/J (DB) and C57BL/6 (wild-type) mice. Innate immune cell markers and cytokine mRNA levels were measured in wound biopsies during the first week of healing. Results: Innate immune cell influx (typified by the Gr-1 neutrophil marker and the Ym1 macrophage marker) was delayed in the DB wounds. Expression of the M2 macrophage-related genes, Ym1 and arginase 1, was significantly reduced in the DB wounds. PCR array analysis demonstrated altered cytokine expression in DB wounds. Most prominently, both interleukin (IL)-17 and IL-20 mRNA levels were significantly increased in the DB wounds. Innovation: This is the first study to identify increased levels of IL-17 and IL-20 in DB wounds. These cytokines are also elevated in the inflammatory skin disorder, psoriasis; thus, they may be potential therapeutic targets to aid in DB wound healing. Conclusion: The entire cytokine profile of DB wounds over the course of healing is not completely understood. This study suggests that the IL-17 and IL-20 families of cytokines should be further analyzed in the context of DB wound healing. PMID- 27867752 TI - Comparing the Effectiveness of Polymer Debriding Devices Using a Porcine Wound Biofilm Model. AB - Objective: Debridement to remove necrotic and/or infected tissue and promote active healing remains a cornerstone of contemporary chronic wound management. While there has been a recent shift toward less invasive polymer-based debriding devices, their efficacy requires rigorous evaluation. Approach: This study was designed to directly compare monofilament debriding devices to traditional gauze using a wounded porcine skin biofilm model with standardized application parameters. Biofilm removal was determined using a surface viability assay, bacterial counts, histological assessment, and scanning electron microscopy (SEM). Results: Quantitative analysis revealed that monofilament debriding devices outperformed the standard gauze, resulting in up to 100-fold greater reduction in bacterial counts. Interestingly, histological and morphological analyses suggested that debridement not only removed bacteria, but also differentially disrupted the bacterially-derived extracellular polymeric substance. Finally, SEM of post-debridement monofilaments showed structural changes in attached bacteria, implying a negative impact on viability. Innovation: This is the first study to combine controlled and defined debridement application with a biologically relevant ex vivo biofilm model to directly compare monofilament debriding devices. Conclusion: These data support the use of monofilament debriding devices for the removal of established wound biofilms and suggest variable efficacy towards biofilms composed of different species of bacteria. PMID- 27867754 TI - A Small Chimeric Fibronectin Fragment Accelerates Dermal Wound Repair in Diabetic Mice. AB - Objective: During wound repair, soluble fibronectin is converted into biologically active, insoluble fibrils via a cell-mediated process. This fibrillar, extracellular matrix (ECM) form of fibronectin stimulates cell processes critical to tissue repair. Nonhealing wounds show reduced levels of ECM fibronectin fibrils. The objective of this study was to produce a small, recombinant wound supplement with the biological activity of insoluble fibronectin fibrils. Approach: A chimeric fibronectin fragment was produced by inserting the integrin-binding Arg-Gly-Asp (RGD) loop from the tenth type III repeat of fibronectin (FNIII10) into the analogous site within the heparin binding, bioactive fragment of the first type III repeat (FNIII1H). FNIII1HRGD was tested for its ability to support cell functions necessary for wound healing, and then evaluated for its capacity to accelerate healing of full-thickness dermal wounds in diabetic mice. Results:In vitro, FNIII1HRGD supported cell adhesion, proliferation, and ECM fibronectin deposition. Application of FNIII1HRGD to dermal wounds of diabetic mice significantly enhanced wound closure compared with controls (73.9% +/-4.1% vs. 58.1% +/-4.7% closure on day 9, respectively), and significantly increased granulation tissue thickness (2.88 +/- 0.75-fold increase over controls on day 14). Innovation: Recombinant proteins designed to functionally mimic the ECM form of fibronectin provide a novel therapeutic approach to circumvent diminished fibronectin fibril formation by delivering ECM fibronectin signals in a soluble form to chronic wounds. Conclusion: A small, chimeric fibronectin protein was developed. FNIII1HRGD demonstrated enhanced bioactivity in vitro and stimulated wound repair in a murine model of chronic wounds. PMID- 27867755 TI - Nutritional Aspects of Gastrointestinal Wound Healing. AB - Significance: Although the wound healing cascade is similar in many tissues, in the gastrointestinal tract mucosal healing is critical for processes such as inflammatory bowel disease and ulcers and healing of the mucosa, submucosa, and serosal layers is needed for surgical anastomoses and for enterocutaneous fistula. Failure of wound healing can result in complications including infection, prolonged hospitalization, critical illness, organ failure, readmission, new or worsening enterocutaneous fistula, and even death. Recent Advances: Recent advances are relevant for the role of specific micronutrients, such as vitamin D, trace elements, and the interplay between molecules with pro- and antioxidant properties. Our understanding of the role of other small molecules, genes, proteins, and macronutrients is also rapidly changing. Recent work has elucidated relationships between oxidative stress, nutritional supplementation, and glucose metabolism. Thresholds have also been established to define adequate preoperative nutritional status. Critical Issues: Further work is needed to establish standards and definitions for measuring the extent of wound healing, particularly for inflammatory bowel disease and ulcers. In addition, a mounting body of evidence has determined the need for adequate preoperative nutritional supplementation for elective surgical procedures. Future Directions: A large portion of current work is restricted to model systems in rodents. Therefore, additional clinical and translational research is needed in this area to promote gastrointestinal wound healing in humans, particularly those suffering from critical illness, patients with enterocutaneous fistula, inflammatory bowel disease, and ulcers, and those undergoing surgical procedures. PMID- 27867756 TI - Reference Clinical Database for Fixation Stability Metrics in Normal Subjects Measured with the MAIA Microperimeter. AB - PURPOSE: The purpose of this study was to establish a normal reference database for fixation stability measured with the bivariate contour ellipse area (BCEA) in the Macular Integrity Assessment (MAIA) microperimeter. METHODS: Subjects were 358 healthy volunteers who had the MAIA examination. Fixation stability was assessed using two BCEA fixation indices (63% and 95% proportional values) and the percentage of fixation points within 1 degrees and 2 degrees from the fovea (P1 and P2). Statistical analysis was performed with linear regression and Pearson's product moment correlation coefficient. RESULTS: Average areas of 0.80 deg2 (min = 0.03, max = 3.90, SD = 0.68) for the index BCEA@63% and 2.40 deg2 (min = 0.20, max = 11.70, SD = 2.04) for the index BCEA@95% were found. The average values of P1 and P2 were 95% (min = 76, max = 100, SD = 5.31) and 99% (min = 91, max = 100, SD = 1.42), respectively. The Pearson's product moment test showed an almost perfect correlation index, r = 0.999, between BCEA@63% and BCEA@95%. Index P1 showed a very strong correlation with BCEA@63%, r = -0.924, as well as with BCEA@95%, r = -0.925. Index P2 demonstrated a slightly lower correlation with both BCEA@63% and BCEA@95%, r = -0.874 and -0.875, respectively. CONCLUSIONS: The single parameter of the BCEA@95% may be taken as accurately reporting fixation stability and serves as a reference database of normal subjects with a cutoff area of 2.40 +/- 2.04 deg2 in MAIA microperimeter. TRANSLATIONAL RELEVANCE: Fixation stability can be measured with different indices. This study originates reference fixation values for the MAIA using a single fixation index. PMID- 27867757 TI - Epigenetics, Media Coverage, and Parent Responsibilities in the Post-Genomic Era. AB - Environmental epigenetics is the study of how exposures and experiences can turn genes "on" or "off" without changing DNA sequence. By examining the influence that environmental conditions including diet, stress, trauma, toxins, and care can have on gene expression, this science suggests molecular connections between the environment, genetics, and how acquired characteristics may be inherited across generations. The rapid expansion of research in this area has attracted growing media attention. This coverage has implications for how parents and prospective parents understand health and their perceived responsibilities for children's wellbeing. This review provides insight into epigenetic research, its coverage in the media, and the social and ethical implications of this science for patients and clinicians. As epigenetic findings continue to elucidate the complex relationships between nature and nurture, it becomes critical to examine how representations of this science may influence patient experiences of risk and responsibility. This review describes some of the social and ethical implications of epigenetic research today. PMID- 27867759 TI - The potential for self-seeding by the coral Pocillopora spp. in Moorea, French Polynesia. AB - Coral reefs in Moorea, French Polynesia, suffered catastrophic coral mortality through predation by Acanthaster planci from 2006 to 2010, and Cyclone Oli in 2010, yet by 2015 some coral populations were approaching pre-disturbance sizes. Using long-term study plots, we quantified population dynamics of spawning Pocillopora spp. along the north shore of Moorea between 2010 and 2014, and considered evidence that population recovery could be supported by self-seeding. Results scaled up from study plots and settlement tiles suggest that the number of Pocillopora spp. colonies on the outer reef increased 1,890-fold between 2010 and 2014/2015, and in the back reef, 8-fold between 2010 and 2014/2015. Assuming that spawning Pocillopora spp. in Moorea release similar numbers of eggs as con generics in Hawaii, and fertilization success is similar to other spawning corals, the capacity of Pocillopora spp. to produce larvae was estimated. These estimates suggest that Pocillopora spp. in Moorea produced a large excess of larvae in 2010 and 2014 relative to the number required to produce the recruits found in the back reef and outer reef in 2010 and 2014, even assuming that ~99.9% of the larvae do not recruit in Moorea. Less than a third of the recruits in one year would have to survive to produce the juvenile Pocillopora spp. found in the back and outer reefs in 2010 and 2014/2015. Our first order approximations reveal the potential for Pocillopora spp. on the north shore of Moorea to produce enough larvae to support local recruitment and population recovery following a catastrophic disturbance. PMID- 27867758 TI - Naturally Occurring Changes in Estradiol Concentrations in the Menopause Transition Predict Morning Cortisol and Negative Mood in Perimenopausal Depression. AB - Risk of depression increases considerably during the menopause transition (or perimenopause) - the 5-6 years surrounding the last menstrual period. While the mechanisms underlying this increased risk are unknown, we have hypothesized that excessive estradiol (E2) fluctuation, which accompanies the perimenopause, may be implicated. We have furthermore proposed that dysregulation of the hypothalamic pituitary-adrenal (HPA) axis may underlie E2 fluctuation's effect on mood. This study examined the relationship between weekly changes in salivary E2, salivary cortisol levels and weekly mood in 30 perimenopausal women recruited to achieve equal numbers of women with current depression, past depression, and no history of depression. Greater weekly increases in E2 were associated with increased cortisol among past and currently depressed women; greater E2 increases were also associated with negative mood among currently depressed women. These findings provide evidence that HPA axis dysregulation, correlated with E2 fluctuation, may be implicated in the pathophysiology of perimenopausal depression. PMID- 27867760 TI - Pico and nanoplankton abundance and carbon stocks along the Brazilian Bight. AB - Pico and nanoplankton communities from the Southwest Atlantic Ocean along the Brazilian Bight are poorly described. The hydrography in this region is dominated by a complex system of layered water masses, which includes the warm and oligotrophic Tropical Water (TW), the cold and nutrient rich South Atlantic Central Water (SACW) and the Coastal Water (CW), which have highly variable properties. In order to assess how pico- and nanoplankton communities are distributed in these different water masses, we determined by flow cytometry the abundance of heterotrophic bacteria, Prochlorococcus, Synechococcus and autotrophic pico and nanoeukaryotes along three transects, extending from 23 degrees S to 31 degrees S and 39 degrees W to 49 degrees W. Heterotrophic bacteria (including archaea, maximum of 1.5 * 106 cells mL-1) were most abundant in Coastal and Tropical Water whereas Prochlorococcus was most abundant in open ocean oligotrophic waters (maximum of 300 * 103 cells mL-1). Synechococcus(up to 81 * 103 cells mL-1), as well as autotrophic pico and nanoeukaryotes seemed to benefit from the influx of nutrient-rich waters near the continental slope. Autotrophic pico and nanoeukaryotes were also abundant in deep chlorophyll maximum (DCM) layers from offshore waters, and their highest abundances were 20 * 103 cells mL-1 and 5 * 103 cells mL-1, respectively. These data are consistent with previous observations in other marine areas where Synechococcus and autotrophic eukaryotes dominate mesotrophic waters, whereas Prochlorococcus dominate in more oligotrophic areas. Regardless of the microbial community structure near the surface, the carbon stock dominance by autotrophic picoeukaryotes near the DCM is possibly linked to vertical mixing of oligotrophic surface waters with the nutrient-rich SACW and their tolerance to lower light levels. PMID- 27867761 TI - Hyainailourine and teratodontine cranial material from the late Eocene of Egypt and the application of parsimony and Bayesian methods to the phylogeny and biogeography of Hyaenodonta (Placentalia, Mammalia). AB - Hyaenodonta is a diverse, extinct group of carnivorous mammals that included weasel- to rhinoceros-sized species. The oldest-known hyaenodont fossils are from the middle Paleocene of North Africa and the antiquity of the group in Afro Arabia led to the hypothesis that it originated there and dispersed to Asia, Europe, and North America. Here we describe two new hyaenodont species based on the oldest hyaenodont cranial specimens known from Afro-Arabia. The material was collected from the latest Eocene Locality 41 (L-41, ~34 Ma) in the Fayum Depression, Egypt. Akhnatenavus nefertiticyon sp. nov. has specialized, hypercarnivorous molars and an elongate cranial vault. In A. nefertiticyon the tallest, piercing cusp on M1-M2 is the paracone. Brychotherium ephalmos gen. et sp. nov. has more generalized molars that retain the metacone and complex talonids. In B. ephalmos the tallest, piercing cusp on M1-M2 is the metacone. We incorporate this new material into a series of phylogenetic analyses using a character-taxon matrix that includes novel dental, cranial, and postcranial characters, and samples extensively from the global record of the group. The phylogenetic analysis includes the first application of Bayesian methods to hyaenodont relationships. B. ephalmos is consistently placed within Teratodontinae, an Afro-Arabian clade with several generalist and hypercarnivorous forms, and Akhnatenavus is consistently recovered in Hyainailourinae as part of an Afro-Arabian radiation. The phylogenetic results suggest that hypercarnivory evolved independently three times within Hyaenodonta: in Teratodontinae, in Hyainailourinae, and in Hyaenodontinae. Teratodontines are consistently placed in a close relationship with Hyainailouridae (Hyainailourinae + Apterodontinae) to the exclusion of "proviverrines," hyaenodontines, and several North American clades, and we propose that the superfamily Hyainailouroidea be used to describe this relationship. Using the topologies recovered from each phylogenetic method, we reconstructed the biogeographic history of Hyaenodonta using parsimony optimization (PO), likelihood optimization (LO), and Bayesian Binary Markov chain Monte Carlo (MCMC) to examine support for the Afro-Arabian origin of Hyaenodonta. Across all analyses, we found that Hyaenodonta most likely originated in Europe, rather than Afro-Arabia. The clade is estimated by tip-dating analysis to have undergone a rapid radiation in the Late Cretaceous and Paleocene; a radiation currently not documented by fossil evidence. During the Paleocene, lineages are reconstructed as dispersing to Asia, Afro-Arabia, and North America. The place of origin of Hyainailouroidea is likely Afro-Arabia according to the Bayesian topologies but it is ambiguous using parsimony. All topologies support the constituent clades-Hyainailourinae, Apterodontinae, and Teratodontinae-as Afro-Arabian and tip-dating estimates that each clade is established in Afro-Arabia by the middle Eocene. PMID- 27867762 TI - A global analysis of bird plumage patterns reveals no association between habitat and camouflage. AB - Evidence suggests that animal patterns (motifs) function in camouflage. Irregular mottled patterns can facilitate concealment when stationary in cluttered habitats, whereas regular patterns typically prevent capture during movement in open habitats. Bird plumage patterns have predominantly converged on just four types-mottled (irregular), scales, bars and spots (regular)-and habitat could be driving convergent evolution in avian patterning. Based on sensory ecology, we therefore predict that irregular patterns would be associated with visually noisy closed habitats and that regular patterns would be associated with open habitats. Regular patterns have also been shown to function in communication for sexually competing males to stand-out and attract females, so we predict that male breeding plumage patterns evolved in both open and closed habitats. Here, taking phylogenetic relatedness into account, we investigate ecological selection for bird plumage patterns across the class Aves. We surveyed plumage patterns in 80% of all avian species worldwide. Of these, 2,756 bird species have regular and irregular plumage patterns as well as habitat information. In this subset, we tested whether adult breeding/non-breeding plumages in each sex, and juvenile plumages, were associated with the habitat types found within the species' geographical distributions. We found no evidence for an association between habitat and plumage patterns across the world's birds and little phylogenetic signal. We also found that species with regular and irregular plumage patterns were distributed randomly across the world's eco-regions without being affected by habitat type. These results indicate that at the global spatial and taxonomic scale, habitat does not predict convergent evolution in bird plumage patterns, contrary to the camouflage hypothesis. PMID- 27867763 TI - Sexual reproduction in the Caribbean coral genus Isophyllia (Scleractinia: Mussidae). AB - The sexual pattern, reproductive mode, and timing of reproduction of Isophyllia sinuosa and Isophyllia rigida, two Caribbean Mussids, were assessed by histological analysis of specimens collected monthly during 2000-2001. Both species are simultaneous hermaphroditic brooders characterized by a single annual gametogenetic cycle. Spermatocytes and oocytes of different stages were found to develop within the same mesentery indicating sequential maturation for extended planulation. Oogenesis took place during May through April in I. sinuosa and from August through June in I. rigida. Oocytes began development 7-8 months prior to spermaries but both sexes matured simultaneously. Zooxanthellate planulae were observed in I. sinuosa during April and in I. rigida from June through September. Higher polyp and mesenterial fecundity were found in I. rigida compared to I. sinuosa. Larger oocyte sizes were found in I. sinuosa than in I. rigida, however larger planula sizes were found in I. rigida. Hermaphroditism is the exclusive sexual pattern within the Mussidae while brooding has been documented within the related genera Mussa, Scolymia and Mycetophyllia. This study represents the first description of the sexual characteristics of I. rigida and provides an updated description of I. sinuosa. PMID- 27867764 TI - Low self-concept in poor readers: prevalence, heterogeneity, and risk. AB - There is evidence that poor readers are at increased risk for various types of low self-concept-particularly academic self-concept. However, this evidence ignores the heterogeneous nature of poor readers, and hence the likelihood that not all poor readers have low self-concept. The aim of this study was to better understand which types of poor readers have low self-concept. We tested 77 children with poor reading for their age for four types of self-concept, four types of reading, three types of spoken language, and two types of attention. We found that poor readers with poor attention had low academic self-concept, while poor readers with poor spoken language had low general self-concept in addition to low academic self-concept. In contrast, poor readers with typical spoken language and attention did not have low self-concept of any type. We also discovered that academic self-concept was reliably associated with reading and receptive spoken vocabulary, and that general self-concept was reliably associated with spoken vocabulary. These outcomes suggest that poor readers with multiple impairments in reading, language, and attention are at higher risk for low academic and general self-concept, and hence need to be assessed for self concept in clinical practice. Our results also highlight the need for further investigation into the heterogeneous nature of self-concept in poor readers. PMID- 27867766 TI - Reanalysis of the anthrax epidemic in Rhodesia, 1978-1984. AB - In the mid-1980s, the largest epidemic of anthrax of the last 200 years was documented in a little known series of studies by Davies in The Central African Journal of Medicine. This epidemic involved thousands of cattle and 10,738 human cases with 200 fatalities in Rhodesia during the Counterinsurgency. Grossly unusual epidemiological features were noted that, to this day, have not been definitively explained. This study performed a historical reanalysis of the data to reveal an estimated geographic involvement of 245,750 km2, with 171,990 cattle and 17,199 human cases. Here we present the first documented geotemporal visualization of the human anthrax epidemic. PMID- 27867765 TI - Charge neutralization as the major factor for the assembly of nucleocapsid-like particles from C-terminal truncated hepatitis C virus core protein. AB - BACKGROUND: Hepatitis C virus (HCV) core protein, in addition to its structural role to form the nucleocapsid assembly, plays a critical role in HCV pathogenesis by interfering in several cellular processes, including microRNA and mRNA homeostasis. The C-terminal truncated HCV core protein (C124) is intrinsically unstructured in solution and is able to interact with unspecific nucleic acids, in the micromolar range, and to assemble into nucleocapsid-like particles (NLPs) in vitro. The specificity and propensity of C124 to the assembly and its implications on HCV pathogenesis are not well understood. METHODS: Spectroscopic techniques, transmission electron microscopy and calorimetry were used to better understand the propensity of C124 to fold or to multimerize into NLPs when subjected to different conditions or in the presence of unspecific nucleic acids of equivalent size to cellular microRNAs. RESULTS: The structural analysis indicated that C124 has low propensity to self-folding. On the other hand, for the first time, we show that C124, in the absence of nucleic acids, multimerizes into empty NLPs when subjected to a pH close to its isoelectric point (pH ~ 12), indicating that assembly is mainly driven by charge neutralization. Isothermal calorimetry data showed that the assembly of NLPs promoted by nucleic acids is enthalpy driven. Additionally, data obtained from fluorescence correlation spectroscopy show that C124, in nanomolar range, was able to interact and to sequester a large number of short unspecific nucleic acids into NLPs. DISCUSSION: Together, our data showed that the charge neutralization is the major factor for the nucleocapsid-like particles assembly from C-terminal truncated HCV core protein. This finding suggests that HCV core protein may physically interact with unspecific cellular polyanions, which may correspond to microRNAs and mRNAs in a host cell infected by HCV, triggering their confinement into infectious particles. PMID- 27867767 TI - Factors influencing infection and transmission of Anopheles gambiae densovirus (AgDNV) in mosquitoes. AB - Anopheles gambiae densovirus (AgDNV) is a potential microbial agent for paratransgenesis and gene transduction in An. gambiae, the major vector of human malaria in sub-Saharan Africa. Understanding the interaction between AgDNV and An. gambiae is critical for using AgDNV in a basic and applied manner for Anopheles gene manipulation. Here, we tested the effects of mosquito age, sex, blood feeding status, and potential for horizontal transmission using an enhanced green fluorescent protein (EGFP) reporter AgDNV system. Neither mosquito age at infection nor feeding regime affected viral titers. Female mosquitoes were more permissive to viral infection than males. Despite low viral titers, infected males were able to venereally transmit virus to females during mating, where the virus was localized with the transferred sperm in the spermathecae. These findings will be useful for designing AgDNV-based strategies to manipulate Anopheles gambiae. PMID- 27867768 TI - Induced pluripotent stem cells from human hair follicle keratinocytes as a potential source for in vitro hair follicle cloning. AB - BACKGROUND: Human hair follicles are important for the renewal of new hairs and their development. The generation of induced pluripotent stem cells (iPSCs) from hair follicles is easy due to its accessibility and availability. The pluripotent cells derived from hair follicles not only have a higher tendency to re differentiate into hair follicles, but are also more suited for growth in hair scalp tissue microenvironment. METHODS: In this study, human hair follicular keratinocytes were used to generate iPSCs, which were then further differentiated in vitro into keratinocytes. The derived iPSCs were characterised by using immunofluorescence staining, flow cytometry, and reverse-transcription PCR to check for its pluripotency markers expression. RESULTS: The iPSC clones expressed pluripotency markers such as TRA-1-60, TRA-1-81, SSEA4, OCT4, SOX2, NANOG, LEFTY, and GABRB. The well-formed three germ layers were observed during differentiation using iPSCs derived from hair follicles. The successful formation of keratioctyes from iPSCs was confirmed by the expression of cytokeratin 14 marker. DISCUSSION: Hair follicles represent a valuable keratinocytes source for in vitro hair cloning for use in treating hair balding or grafting in burn patients. Our significant findings in this report proved that hair follicles could be used to produce pluripotent stem cells and suggested that the genetic and micro environmental elements of hair follicles might trigger higher and more efficient hair follicles re-differentiation. PMID- 27867770 TI - Soymilk residue (okara) as a natural immobilization carrier for Lactobacillus plantarum cells enhances soymilk fermentation, glucosidic isoflavone bioconversion, and cell survival under simulated gastric and intestinal conditions. AB - Cell immobilization is an alternative to microencapsulation for the maintenance of cells in a liquid medium. However, artificial immobilization carriers are expensive and pose a high safety risk. Okara, a food-grade byproduct from soymilk production, is rich in prebiotics. Lactobacilli could provide health enhancing effects to the host. This study aimed to evaluate the potential of okara as a natural immobilizer for L. plantarum 70810 cells. The study also aimed to evaluate the effects of okara-immobilized L. plantarum 70810 cells (IL) on soymilk fermentation, glucosidic isoflavone bioconversion, and cell resistance to simulated gastric and intestinal stresses. Scanning electron microscopy (SEM) was used to show cells adherence to the surface of okara. Lactic acid, acetic acid and isoflavone analyses in unfermented and fermented soymilk were performed by HPLC with UV detection. Viability and growth kinetics of immobilized and free L. plantarum 70810 cells (FL) were followed during soymilk fermentation. Moreover, changes in pH, titrable acidity and viscosity were measured by conventional methods. For in vitro testing of simulated gastrointestinal resistance, fermented soymilk was inoculated with FL or IL and an aliquot incubated into acidic MRS broth which was conveniently prepared to simulate gastric, pancreatic juices and bile salts. Survival to simulated gastric and intestinal stresses was evaluated by plate count of colony forming units on MRS agar. SEM revealed that the lactobacilli cells attached and bound to the surface of okara. Compared with FL, IL exhibited a significantly higher specific growth rate, shorter lag phase of growth, higher productions of lactic and acetic acids, a faster decrease in pH and increase in titrable acidity, and a higher soymilk viscosity. Similarly, IL in soymilk showed higher productions of daizein and genistein compared with the control. Compared with FL, IL showed reinforced resistance to simulatedgastric and intestinal stresses in vitro that included low pH, low pH plus pepsin, pancreatin, and bile salt. Our results indicate that okara is a new potential immobilization carrier to enhance the growth and glucosidic isoflavone bioconversion activities of L. plantarum in soymilk and improve cell survivability following simulated gastric and intestinal conditions. PMID- 27867769 TI - Comparative analysis of the complete chloroplast genome sequences in psammophytic Haloxylon species (Amaranthaceae). AB - The Haloxylon genus belongs to the Amaranthaceae (formerly Chenopodiaceae) family. The small trees or shrubs in this genus are referred to as the King of psammophytic plants, and perform important functions in environmental protection, including wind control and sand fixation in deserts. To better understand these beneficial plants, we sequenced the chloroplast (cp) genomes of Haloxylon ammodendron (HA) and Haloxylon persicum (HP) and conducted comparative genomic analyses on these and two other representative Amaranthaceae species. Similar to other higher plants, we found that the Haloxylon cp genome is a quadripartite, double-stranded, circular DNA molecule of 151,570 bp in HA and 151,586 bp in HP. It contains a pair of inverted repeats (24,171 bp in HA and 24,177 bp in HP) that separate the genome into a large single copy region of 84,214 bp in HA and 84,217 bp in HP, and a small single copy region of 19,014 bp in HA and 19,015 bp in HP. Each Haloxylon cp genome contains 112 genes, including 78 coding, 30 tRNA, and four ribosomal RNA genes. We detected 59 different simple sequence repeat loci, including 44 mono-nucleotide, three di-nucleotide, one tri-nucleotide, and 11 tetra-nucleotide repeats. Comparative analysis revealed only 67 mutations between the two species, including 44 substitutions, 23 insertions/deletions, and two micro-inversions. The two inversions, with lengths of 14 and 3 bp, occur in the petA-psbJ intergenic region and rpl16 intron, respectively, and are predicted to form hairpin structures with repeat sequences of 27 and 19 bp, respectively, at the two ends. The ratio of transitions to transversions was 0.76. These results are valuable for future studies on Haloxylon genetic diversity and will enhance our understanding of the phylogenetic evolution of Amaranthaceae. PMID- 27867773 TI - Abstract: PRS PSRC Poster Proofs PSRC 2016. PMID- 27867771 TI - Prospect and progress of oncolytic viruses for treating peripheral nerve sheath tumors. AB - INTRODUCTION: Peripheral nerve sheath tumors (PNSTs) are an assorted group of neoplasms originating from neuroectoderm and growing in peripheral nerves. Malignant transformation leads to a poor prognosis and is often lethal. Current treatment of PNSTs is predominantly surgical, which is often incomplete or accompanied by significant loss of function, in conjunction with radiotherapy and/or chemotherapy, for which the benefits are inconclusive. Oncolytic viruses (OVs) efficiently kill tumor cells while remaining safe for normal tissues, and are a novel antitumor therapy for patients with PNSTs. AREAS COVERED: Because of the low efficacy of current treatments, new therapies for PNSTs are needed. Pre clinically, OVs have demonstrated efficacy in treating PNSTs and perineural tumor invasion, as well as safety. We will discuss the various PNSTs and their preclinical models, and the OVs being tested for their treatment, including oncolytic herpes simplex virus (HSV), adenovirus (Ad), and measles virus (MV). OVs can be 'armed' to express therapeutic transgenes or combined with other therapeutics to enhance their activity. EXPERT OPINION: Preclinical testing of OVs in PNST models has demonstrated their therapeutic potential and provided support for clinical translation. Clinical studies with other solid tumors have provided evidence that OVs are safe in patients and efficacious. The recent successful completion of a phase III clinical trial of oncolytic HSV paves the way for oncolytic virotherapy to enter clinical practice. PMID- 27867774 TI - Abstract: PRS AAPS Poster Proofs 2016. PMID- 27867775 TI - Abstract: PRS PSRC Podium Proofs 2016. PMID- 27867776 TI - Abstract: PRS AAPS Oral Proofs 2016. PMID- 27867772 TI - PGRMC1 Elevation in Multiple Cancers and Essential Role in Stem Cell Survival. AB - Cancer is one of the leading causes of death in America, and there is an urgent need for new therapeutic approaches. The progesterone receptor membrane component 1 (PGRMC1) is a cytoch-rome b5 related protein that binds heme and is associated with signaling, apoptotic suppression and autophagy. PGRMC1 is essential for tumor formation, invasion and metastasis, and is upregulated in breast, colon, lung and thyroid tumors. In the present study, we have analyzed PGRMC1 levels in over 600 tumor sections, including a larger cohort of lung tumors than in previous studies, and report the first clinical analysis of PGRMC1 levels in human oral cavity and ovarian tumors compared to corresponding nonmalignant tissues. PGRMC1 was highly expressed in lung and ovarian cancers and correlated with patient survival. PGRMC1 has been previously associated with drug resistance, a characteristic of cancer stem cells. The stem cell theory proposes that a subset of cancerous stem cells contribute to drug resistance and tumor maintenance, and PGRMC1 was detected in lung-tumor derived stem cells. Drug treatment with a PGRMC1 inhibitor, AG-205, triggered stem cell death whereas treatment with erlotinib and the ERK inhibitor, PD98059, did not, suggesting a specific role for PGRMC1 in cancer stem cell viability. Together, our data demonstrate PGRMC1 as a potential tumor biomarker across a variety of tumors, as well as a therapeutic target for cancer stem cells. PMID- 27867777 TI - Welcome Letter. PMID- 27867778 TI - AAPS and PSRC 2016 Abstract Supplement. PMID- 27867779 TI - Meter-scale spark X-ray spectrum statistics. AB - X-ray emission by sparks implies bremsstrahlung from a population of energetic electrons, but the details of this process remain a mystery. We present detailed statistical analysis of X-ray spectra detected by multiple detectors during sparks produced by 1 MV negative high-voltage pulses with 1 MUs risetime. With over 900 shots, we statistically analyze the signals, assuming that the distribution of spark X-ray fluence behaves as a power law and that the energy spectrum of X-rays detectable after traversing ~2 m of air and a thin aluminum shield is exponential. We then determine the parameters of those distributions by fitting cumulative distribution functions to the observations. The fit results match the observations very well if the mean of the exponential X-ray energy distribution is 86 +/- 7 keV and the spark X-ray fluence power law distribution has index -1.29 +/- 0.04 and spans at least 3 orders of magnitude in fluence. PMID- 27867780 TI - Observation of intrinsically bright terrestrial gamma ray flashes from the Mediterranean basin. AB - We present three terrestrial gamma ray flashes (TGFs) observed over the Mediterranean basin by the Reuven Ramaty High Energy Solar Spectroscope Imager (RHESSI) satellite. Since the occurrence of these events in the Mediterranean region is quite rare, the characterization of the events was optimized by combining different approaches in order to better define the cloud of origin. The TGFs on 7 November 2004 and 16 October 2006 came from clouds with cloud top higher than 10-12 km where often a strong penetration into the stratosphere is found. This kind of cloud is usually associated with heavy precipitation and intense lightning activity. Nevertheless, the analysis of the cloud type based on satellite retrievals shows that the TGF on 27 May 2004 was produced by an unusual shallow convection. This result appears to be supported by the model simulation of the particle distribution and phase in the upper troposphere. The TGF on 7 November 2004 is among the brightest ever measured by RHESSI. The analysis of the energy spectrum of this event is consistent with a production altitude <=12 km, which is in the upper part of the cloud, as found by the meteorological analysis of the TGF-producing thunderstorm. This event must be unusually bright at the source in order to produce such a strong signal in RHESSI. We estimate that this TGF must contain ~3 * 1018 initial photons with energy >1 MeV. This is 1 order of magnitude brighter than earlier estimations of an average RHESSI TGF. PMID- 27867781 TI - CloudSat 2C-ICE product update with a new Ze parameterization in lidar-only region. AB - The CloudSat 2C-ICE data product is derived from a synergetic ice cloud retrieval algorithm that takes as input a combination of CloudSat radar reflectivity (Ze ) and Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation lidar attenuated backscatter profiles. The algorithm uses a variational method for retrieving profiles of visible extinction coefficient, ice water content, and ice particle effective radius in ice or mixed-phase clouds. Because of the nature of the measurements and to maintain consistency in the algorithm numerics, we choose to parameterize (with appropriately large specification of uncertainty) Ze and lidar attenuated backscatter in the regions of a cirrus layer where only the lidar provides data and where only the radar provides data, respectively. To improve the Ze parameterization in the lidar-only region, the relations among Ze , extinction, and temperature have been more thoroughly investigated using Atmospheric Radiation Measurement long-term millimeter cloud radar and Raman lidar measurements. This Ze parameterization provides a first-order estimation of Ze as a function extinction and temperature in the lidar-only regions of cirrus layers. The effects of this new parameterization have been evaluated for consistency using radiation closure methods where the radiative fluxes derived from retrieved cirrus profiles compare favorably with Clouds and the Earth's Radiant Energy System measurements. Results will be made publicly available for the entire CloudSat record (since 2006) in the most recent product release known as R05. PMID- 27867782 TI - Surface dimming by the 2013 Rim Fire simulated by a sectional aerosol model. AB - The Rim Fire of 2013, the third largest area burned by fire recorded in California history, is simulated by a climate model coupled with a size-resolved aerosol model. Modeled aerosol mass, number, and particle size distribution are within variability of data obtained from multiple-airborne in situ measurements. Simulations suggest that Rim Fire smoke may block 4-6% of sunlight energy reaching the surface, with a dimming efficiency around 120-150 W m-2 per unit aerosol optical depth in the midvisible at 13:00-15:00 local time. Underestimation of simulated smoke single scattering albedo at midvisible by 0.04 suggests that the model overestimates either the particle size or the absorption due to black carbon. This study shows that exceptional events like the 2013 Rim Fire can be simulated by a climate model with 1 degrees resolution with overall good skill, although that resolution is still not sufficient to resolve the smoke peak near the source region. PMID- 27867783 TI - Convective and large-scale mass flux profiles over tropical oceans determined from synergistic analysis of a suite of satellite observations. AB - A new, satellite-based methodology is developed to evaluate convective mass flux and large-scale total mass flux. To derive the convective mass flux, candidate profiles of in-cloud vertical velocity are first constructed with a simple plume model under the constraint of ambient sounding and then narrowed down to the solution that matches satellite-derived cloud top buoyancy. Meanwhile, the large scale total mass flux is provided separately from satellite soundings by a method developed previously. All satellite snapshots are sorted into a composite time series that delineates the evolution of a vigorous and organized convective system. Principal findings are the following. First, convective mass flux is modulated primarily by convective cloud cover, with the intensity of individual convection being less variable over time. Second, convective mass flux dominates the total mass flux only during the early hours of the convective evolution; as convective system matures, a residual mass flux builds up in the mass flux balance that is reminiscent of stratiform dynamics. The method developed in this study is expected to be of unique utility for future observational diagnosis of tropical convective dynamics and for evaluation of global climate model cumulus parameterizations in a global sense. PMID- 27867784 TI - On the sensitivity of the diurnal cycle in the Amazon to convective intensity. AB - Climate and reanalysis models contain large water and energy budget errors over tropical land related to the misrepresentation of diurnally forced moist convection. Motivated by recent work suggesting that the water and energy budget is influenced by the sensitivity of the convective diurnal cycle to atmospheric state, this study investigates the relationship between convective intensity, the convective diurnal cycle, and atmospheric state in a region of frequent convection-the Amazon. Daily, 3-hourly satellite observations of top of atmosphere (TOA) fluxes from Clouds and the Earth's Radiant Energy System Ed3a SYN1DEG and precipitation from Tropical Rainfall Measuring Mission 3B42 data sets are collocated with twice daily Integrated Global Radiosonde Archive observations from 2002 to 2012 and hourly flux tower observations. Percentiles of daily minimum outgoing longwave radiation are used to define convective intensity regimes. The results indicate a significant increase in the convective diurnal cycle amplitude with increased convective intensity. The TOA flux diurnal phase exhibits 1-3 h shifts with convective intensity, and precipitation phase is less sensitive. However, the timing of precipitation onset occurs 2-3 h earlier and the duration lasts 3-5 h longer on very convective compared to stable days. While statistically significant changes are found between morning atmospheric state and convective intensity, variations in upper and lower tropospheric humidity exhibit the strongest relationships with convective intensity and diurnal cycle characteristics. Lastly, convective available potential energy (CAPE) is found to vary with convective intensity but does not explain the variations in Amazonian convection, suggesting that a CAPE-based convective parameterization will not capture the observed behavior without incorporating the sensitivity of convection to column humidity. PMID- 27867785 TI - Lightning Mapping Array flash detection performance with variable receiver thresholds. AB - This study characterizes Lightning Mapping Array performance for networks that participated in the Deep Convective Clouds and Chemistry field program using new Monte Carlo and curvature matrix model simulations. These open-source simulation tools are readily adapted to real-time operations or detailed studies of performance. Each simulation accounted for receiver threshold and location, as well as a reference distribution of source powers and flash sizes based on thunderstorm observations and the mechanics of station triggering. Source and flash detection efficiency were combined with solution bias and variability to predict flash area distortion at long ranges. Location errors and detection efficiency were highly dependent on the station configuration and thresholds, especially at longer ranges, such that performance varied more than expected across different networks and with azimuth within networks. Error characteristics matched prior studies, which led to an increase in flash distortion with range. Predicted flash detection efficiency exceeded 95% within 100 km of all networks. PMID- 27867786 TI - Aerosol lidar observations of atmospheric mixing in Los Angeles: Climatology and implications for greenhouse gas observations. AB - Atmospheric observations of greenhouse gases provide essential information on sources and sinks of these key atmospheric constituents. To quantify fluxes from atmospheric observations, representation of transport-especially vertical mixing is a necessity and often a source of error. We report on remotely sensed profiles of vertical aerosol distribution taken over a 2 year period in Pasadena, California. Using an automated analysis system, we estimate daytime mixing layer depth, achieving high confidence in the afternoon maximum on 51% of days with profiles from a Sigma Space Mini Micropulse LiDAR (MiniMPL) and on 36% of days with a Vaisala CL51 ceilometer. We note that considering ceilometer data on a logarithmic scale, a standard method, introduces, an offset in mixing height retrievals. The mean afternoon maximum mixing height is 770 m Above Ground Level in summer and 670 m in winter, with significant day-to-day variance (within season sigma = 220m~30%). Taking advantage of the MiniMPL's portability, we demonstrate the feasibility of measuring the detailed horizontal structure of the mixing layer by automobile. We compare our observations to planetary boundary layer (PBL) heights from sonde launches, North American regional reanalysis (NARR), and a custom Weather Research and Forecasting (WRF) model developed for greenhouse gas (GHG) monitoring in Los Angeles. NARR and WRF PBL heights at Pasadena are both systematically higher than measured, NARR by 2.5 times; these biases will cause proportional errors in GHG flux estimates using modeled transport. We discuss how sustained lidar observations can be used to reduce flux inversion error by selecting suitable analysis periods, calibrating models, or characterizing bias for correction in post processing. PMID- 27867787 TI - Interannual variation of springtime biomass burning in Indochina: Regional differences, associated atmospheric dynamical changes, and downwind impacts. AB - During March and April, widespread burning occurs across farmlands in Indochina in preparation for planting at the monsoon onset. The resultant aerosols impact the air quality downwind. In this study, we investigate the climatic aspect of the interannual variation of springtime biomass burning in Indochina and its correlation with air quality at Mt. Lulin in Taiwan using long-term (2005-2015) satellite and global reanalysis data. Based on empirical orthogonal function (EOF) analysis, we find that the biomass burning activities vary with two geographical regions: northern Indochina (the primary EOF mode) and southern Indochina (the secondary EOF mode). We determine that the variation of biomass burning over northern Indochina is significantly related with the change in aerosol concentrations at Mt. Lulin. This occurs following the change in the so called India-Burma Trough in the lower and middle troposphere. When the India Burma Trough is intensified, a stronger northwesterly wind (to the west of the trough) transports the dryer air from higher latitude into northern Indochina, and this promotes local biomass burning activities. The increase in upward motion to the east of the intensified India-Burma Trough lifts the aerosols, which are transported toward Taiwan by the increased low-level westerly jet. Further diagnoses revealed the connection between the India-Burma Trough and the South Asian jet's wave train pattern as well as the previous winter's El Nino-Southern Oscillation phase. This information highlights the role of the India-Burma Trough in modulating northern Indochina biomass burning and possibly predicting aerosol transport to East Asia on the interannual time scale. PMID- 27867788 TI - The stratigraphy and evolution of lower Mount Sharp from spectral, morphological, and thermophysical orbital data sets. AB - We have developed a refined geologic map and stratigraphy for lower Mount Sharp using coordinated analyses of new spectral, thermophysical, and morphologic orbital data products. The Mount Sharp group consists of seven relatively planar units delineated by differences in texture, mineralogy, and thermophysical properties. These units are (1-3) three spatially adjacent units in the Murray formation which contain a variety of secondary phases and are distinguishable by thermal inertia and albedo differences, (4) a phyllosilicate-bearing unit, (5) a hematite-capped ridge unit, (6) a unit associated with material having a strongly sloped spectral signature at visible near-infrared wavelengths, and (7) a layered sulfate unit. The Siccar Point group consists of the Stimson formation and two additional units that unconformably overlie the Mount Sharp group. All Siccar Point group units are distinguished by higher thermal inertia values and record a period of substantial deposition and exhumation that followed the deposition and exhumation of the Mount Sharp group. Several spatially extensive silica deposits associated with veins and fractures show that late-stage silica enrichment within lower Mount Sharp was pervasive. At least two laterally extensive hematitic deposits are present at different stratigraphic intervals, and both are geometrically conformable with lower Mount Sharp strata. The occurrence of hematite at multiple stratigraphic horizons suggests redox interfaces were widespread in space and/or in time, and future measurements by the Mars Science Laboratory Curiosity rover will provide further insights into the depositional settings of these and other mineral phases. PMID- 27867789 TI - The phenology of Arctic Ocean surface warming. AB - In this work, we explore the seasonal relationships (i.e., the phenology) between sea ice retreat, sea surface temperature (SST), and atmospheric heat fluxes in the Pacific Sector of the Arctic Ocean, using satellite and reanalysis data. We find that where ice retreats early in most years, maximum summertime SSTs are usually warmer, relative to areas with later retreat. For any particular year, we find that anomalously early ice retreat generally leads to anomalously warm SSTs. However, this relationship is weak in the Chukchi Sea, where ocean advection plays a large role. It is also weak where retreat in a particular year happens earlier than usual, but still relatively late in the season, primarily because atmospheric heat fluxes are weak at that time. This result helps to explain the very different ocean warming responses found in two recent years with extreme ice retreat, 2007 and 2012. We also find that the timing of ice retreat impacts the date of maximum SST, owing to a change in the ocean surface buoyancy and momentum forcing that occurs in early August that we term the Late Summer Transition (LST). After the LST, enhanced mixing of the upper ocean leads to cooling of the ocean surface even while atmospheric heat fluxes are still weakly downward. Our results indicate that in the near-term, earlier ice retreat is likely to cause enhanced ocean surface warming in much of the Arctic Ocean, although not where ice retreat still occurs late in the season. PMID- 27867790 TI - Magma injection into a long-lived reservoir to explain geodetically measured uplift: Application to the 2007-2014 unrest episode at Laguna del Maule volcanic field, Chile. AB - Moving beyond the widely used kinematic models for the deformation sources, we present a new dynamic model to describe the process of injecting magma into an existing magma reservoir. To validate this model, we derive an analytical solution and compare its results to those calculated using the Finite Element Method. A Newtonian fluid characterized by its viscosity, density, and overpressure (relative to the lithostatic value) flows through a vertical conduit, intruding into a reservoir embedded in an elastic domain, leading to an increase in reservoir pressure and time-dependent surface deformation. We apply our injection model to Interferometric Synthetic Aperture Radar (InSAR) data from the ongoing unrest episode at Laguna del Maule (Chile) volcanic field that started in 2007. Using a grid search optimization, we minimize the misfit to the InSAR displacement data and vary the three parameters governing the analytical solution: the characteristic timescale tauP for magma propagation, the maximum injection pressure, and the inflection time when the acceleration switches from positive to negative. For a spheroid with semimajor axis a = 6200 m, semiminor axis c = 100 m, located at a depth of 4.5 km in a purely elastic half-space, the best fit to the InSAR displacement data occurs for tauP =9.5 years and an injection pressure rising up to 11.5 MPa for 2 years. The volume flow rate increased to 1.2 m3/s for 2 years and then decreased to 0.7 m3/s in 2014. In 7.3 years, at least 187 * 106 m3 of magma was injected. PMID- 27867791 TI - An assessment of forward and inverse GIA solutions for Antarctica. AB - In this work we assess the most recent estimates of glacial isostatic adjustment (GIA) for Antarctica, including those from both forward and inverse methods. The assessment is based on a comparison of the estimated uplift rates with a set of elastic-corrected GPS vertical velocities. These have been observed from an extensive GPS network and computed using data over the period 2009-2014. We find systematic underestimations of the observed uplift rates in both inverse and forward methods over specific regions of Antarctica characterized by low mantle viscosities and thin lithosphere, such as the northern Antarctic Peninsula and the Amundsen Sea Embayment, where its recent ice discharge history is likely to be playing a role in current GIA. Uplift estimates for regions where many GIA models have traditionally placed their uplift maxima, such as the margins of Filchner-Ronne and Ross ice shelves, are found to be overestimated. GIA estimates show large variability over the interior of East Antarctica which results in increased uncertainties on the ice-sheet mass balance derived from gravimetry methods. PMID- 27867792 TI - Statistical characterization of the growth and spatial scales of the substorm onset arc. AB - We present the first multievent study of the spatial and temporal structuring of the aurora to provide statistical evidence of the near-Earth plasma instability which causes the substorm onset arc. Using data from ground-based auroral imagers, we study repeatable signatures of along-arc auroral beads, which are thought to represent the ionospheric projection of magnetospheric instability in the near-Earth plasma sheet. We show that the growth and spatial scales of these wave-like fluctuations are similar across multiple events, indicating that each sudden auroral brightening has a common explanation. We find statistically that growth rates for auroral beads peak at low wave number with the most unstable spatial scales mapping to an azimuthal wavelength lambda~ 1700-2500 km in the equatorial magnetosphere at around 9-12 RE . We compare growth rates and spatial scales with a range of theoretical predictions of magnetotail instabilities, including the Cross-Field Current Instability and the Shear Flow Ballooning Instability. We conclude that, although the Cross-Field Current instability can generate similar magnitude of growth rates, the range of unstable wave numbers indicates that the Shear Flow Ballooning Instability is the most likely explanation for our observations. PMID- 27867793 TI - Internally driven large-scale changes in the size of Saturn's magnetosphere. AB - Saturn's magnetic field acts as an obstacle to solar wind flow, deflecting plasma around the planet and forming a cavity known as the magnetosphere. The magnetopause defines the boundary between the planetary and solar dominated regimes, and so is strongly influenced by the variable nature of pressure sources both outside and within. Following from Pilkington et al. (2014), crossings of the magnetopause are identified using 7 years of magnetic field and particle data from the Cassini spacecraft and providing unprecedented spatial coverage of the magnetopause boundary. These observations reveal a dynamical interaction where, in addition to the external influence of the solar wind dynamic pressure, internal drivers, and hot plasma dynamics in particular can take almost complete control of the system's dayside shape and size, essentially defying the solar wind conditions. The magnetopause can move by up to 10-15 planetary radii at constant solar wind dynamic pressure, corresponding to relatively "plasma-loaded" or "plasma-depleted" states, defined in terms of the internal suprathermal plasma pressure. PMID- 27867794 TI - The impact of an ICME on the Jovian X-ray aurora. AB - We report the first Jupiter X-ray observations planned to coincide with an interplanetary coronal mass ejection (ICME). At the predicted ICME arrival time, we observed a factor of ~8 enhancement in Jupiter's X-ray aurora. Within 1.5 h of this enhancement, intense bursts of non-Io decametric radio emission occurred. Spatial, spectral, and temporal characteristics also varied between ICME arrival and another X-ray observation two days later. Gladstone et al. (2002) discovered the polar X-ray hot spot and found it pulsed with 45 min quasiperiodicity. During the ICME arrival, the hot spot expanded and exhibited two periods: 26 min periodicity from sulfur ions and 12 min periodicity from a mixture of carbon/sulfur and oxygen ions. After the ICME, the dominant period became 42 min. By comparing Vogt et al. (2011) Jovian mapping models with spectral analysis, we found that during ICME arrival at least two distinct ion populations, from Jupiter's dayside, produced the X-ray aurora. Auroras mapping to magnetospheric field lines between 50 and 70 RJ were dominated by emission from precipitating sulfur ions (S7+,...,14+). Emissions mapping to closed field lines between 70 and 120 RJ and to open field lines were generated by a mixture of precipitating oxygen (O7+,8+) and sulfur/carbon ions, possibly implying some solar wind precipitation. We suggest that the best explanation for the X-ray hot spot is pulsed dayside reconnection perturbing magnetospheric downward currents, as proposed by Bunce et al. (2004). The auroral enhancement has different spectral, spatial, and temporal characteristics to the hot spot. By analyzing these characteristics and coincident radio emissions, we propose that the enhancement is driven directly by the ICME through Jovian magnetosphere compression and/or a large-scale dayside reconnection event. PMID- 27867795 TI - Magnetic reconnection in Saturn's magnetotail: A comprehensive magnetic field survey. AB - Reconnection within planetary magnetotails is responsible for locally energizing particles and changing the magnetic topology. Its role in terms of global magnetospheric dynamics can involve changing the mass and flux content of the magnetosphere. We have identified reconnection related events in spacecraft magnetometer data recorded during Cassini's exploration of Saturn's magnetotail. The events are identified from deflections in the north-south component of the magnetic field, significant above a background level. Data were selected to provide full tail coverage, encompassing the dawn and dusk flanks as well as the deepest midnight orbits. Overall 2094 reconnection related events were identified, with an average rate of 5.0 events per day. The majority of events occur in clusters (within 3 h of other events). We examine changes in this rate in terms of local time and latitude coverage, taking seasonal effects into account. The observed reconnection rate peaks postmidnight with more infrequent but steady loss seen on the dusk flank. We estimate the mass loss from the event catalog and find it to be insufficient to balance the input from the moon Enceladus. Several reasons for this discrepancy are discussed. The reconnection X line location appears to be highly variable, though a statistical separation between events tailward and planetward of the X line is observed at a radial distance of between 20 and 30RS downtail. The small sample size at dawn prevents comprehensive statistical comparison with the dusk flank observations in terms of flux closure. PMID- 27867797 TI - Source of the dayside cusp aurora. AB - Monochromatic all-sky imagers at South Pole and other Antarctic stations of the Automatic Geophysical Observatory chain recorded the aurora in the region where the Time History of Events and Macroscale Interactions during Substorms (THEMIS) satellites crossed the dayside magnetopause. In several cases the magnetic field lines threading the satellites when mapped to the atmosphere were inside the imagers' field of view. From the THEMIS magnetic field and the plasma density measurements, we were able to locate the position of the magnetopause crossings and map it to the ionosphere using the Tsyganenko-96 field model. Field line mapping is reasonably accurate on the dayside subsolar region where the field is strong, almost dipolar even though compressed. From these coordinated observations, we were able to prove that the dayside cusp aurora of high 630 nm brightness is on open field lines, and it is therefore direct precipitation from the magnetosheath. The cusp aurora contained significant highly structured N2+ 427.8 nm emission. The THEMIS measurements of the magnetosheath particle energy and density taken just outside the magnetopause compared to the intensity of the structured N2+ 427.8 nm emissions showed that the precipitating magnetosheath particles had to be accelerated. The most likely electron acceleration mechanism is by dispersive Alfven waves propagating along the field line. Wave-accelerated suprathermal electrons were seen by FAST and DMSP. The 427.8 nm wavelength channel also shows the presence of a lower latitude hard-electron precipitation zone originating inside the magnetosphere. PMID- 27867796 TI - Highly relativistic radiation belt electron acceleration, transport, and loss: Large solar storm events of March and June 2015. AB - Two of the largest geomagnetic storms of the last decade were witnessed in 2015. On 17 March 2015, a coronal mass ejection-driven event occurred with a Dst (storm time ring current index) value reaching -223 nT. On 22 June 2015 another strong storm (Dst reaching -204 nT) was recorded. These two storms each produced almost total loss of radiation belt high-energy (E ? 1 MeV) electron fluxes. Following the dropouts of radiation belt fluxes there were complex and rather remarkable recoveries of the electrons extending up to nearly 10 MeV in kinetic energy. The energized outer zone electrons showed a rich variety of pitch angle features including strong "butterfly" distributions with deep minima in flux at alpha = 90 degrees . However, despite strong driving of outer zone earthward radial diffusion in these storms, the previously reported "impenetrable barrier" at L ~ 2.8 was pushed inward, but not significantly breached, and no E ? 2.0 MeV electrons were seen to pass through the radiation belt slot region to reach the inner Van Allen zone. Overall, these intense storms show a wealth of novel features of acceleration, transport, and loss that are demonstrated in the present detailed analysis. PMID- 27867798 TI - Accurately characterizing the importance of wave-particle interactions in radiation belt dynamics: The pitfalls of statistical wave representations. AB - Wave-particle interactions play a crucial role in energetic particle dynamics in the Earth's radiation belts. However, the relative importance of different wave modes in these dynamics is poorly understood. Typically, this is assessed during geomagnetic storms using statistically averaged empirical wave models as a function of geomagnetic activity in advanced radiation belt simulations. However, statistical averages poorly characterize extreme events such as geomagnetic storms in that storm-time ultralow frequency wave power is typically larger than that derived over a solar cycle and Kp is a poor proxy for storm-time wave power. PMID- 27867799 TI - The "Puck" energetic charged particle detector: Design, heritage, and advancements. AB - Energetic charged particle detectors characterize a portion of the plasma distribution function that plays critical roles in some physical processes, from carrying the currents in planetary ring currents to weathering the surfaces of planetary objects. For several low-resource missions in the past, the need was recognized for a low-resource but highly capable, mass-species-discriminating energetic particle sensor that could also obtain angular distributions without motors or mechanical articulation. This need led to the development of a compact Energetic Particle Detector (EPD), known as the "Puck" EPD (short for hockey puck), that is capable of determining the flux, angular distribution, and composition of incident ions between an energy range of ~10 keV to several MeV. This sensor makes simultaneous angular measurements of electron fluxes from the tens of keV to about 1 MeV. The same measurements can be extended down to approximately 1 keV/nucleon, with some composition ambiguity. These sensors have a proven flight heritage record that includes missions such as MErcury Surface, Space ENvironment, GEochemistry, and Ranging and New Horizons, with multiple sensors on each of Juno, Van Allen Probes, and Magnetospheric Multiscale. In this review paper we discuss the Puck EPD design, its heritage, unexpected results from these past missions and future advancements. We also discuss high-voltage anomalies that are thought to be associated with the use of curved foils, which is a new foil manufacturing processes utilized on recent Puck EPD designs. Finally, we discuss the important role Puck EPDs can potentially play in upcoming missions. PMID- 27867800 TI - The Low-Energy Neutral Imager (LENI). AB - To achieve breakthroughs in the areas of heliospheric and magnetospheric energetic neutral atom (ENA) imaging, a new class of instruments is required. We present a high angular resolution ENA imager concept aimed at the suprathermal plasma populations with energies between 0.5 and 20 keV. This instrument is intended for understanding the spatial and temporal structure of the heliospheric boundary recently revealed by Interstellar Boundary Explorer instrumentation and the Cassini Ion and Neutral Camera. The instrument is also well suited to characterize magnetospheric ENA emissions from low-altitude ENA emissions produced by precipitation of magnetospheric ions into the terrestrial upper atmosphere, or from the magnetosheath where solar wind protons are neutralized by charge exchange, or from portions of the ring current region. We present a new technique utilizing ultrathin carbon foils, 2-D collimation, and a novel electron optical design to produce high angular resolution (<=2 degrees ) and high sensitivity (>=10-3 cm2 sr/pixel) ENA imaging in the 0.5-20 keV energy range. PMID- 27867801 TI - RAM-SCB simulations of electron transport and plasma wave scattering during the October 2012 "double-dip" storm. AB - Mechanisms for electron injection, trapping, and loss in the near-Earth space environment are investigated during the October 2012 "double-dip" storm using our ring current-atmosphere interactions model with self-consistent magnetic field (RAM-SCB). Pitch angle and energy scattering are included for the first time in RAM-SCB using L and magnetic local time (MLT)-dependent event-specific chorus wave models inferred from NOAA Polar-orbiting Operational Environmental Satellites (POES) and Van Allen Probes Electric and Magnetic Field Instrument Suite and Integrated Science observations. The dynamics of the source (approximately tens of keV) and seed (approximately hundreds of keV) populations of the radiation belts simulated with RAM-SCB is compared with Van Allen Probes Magnetic Electron Ion Spectrometer observations in the morning sector and with measurements from NOAA 15 satellite in the predawn and afternoon MLT sectors. We find that although the low-energy (E< 100 keV) electron fluxes are in good agreement with observations, increasing significantly by magnetospheric convection during both SYM-H dips while decreasing during the intermediate recovery phase, the injection of high-energy electrons is underestimated by this mechanism throughout the storm. Local acceleration by chorus waves intensifies the electron fluxes at E>=50 keV considerably, and RAM-SCB simulations overestimate the observed trapped fluxes by more than an order of magnitude; the precipitating fluxes simulated with RAM-SCB are weaker, and their temporal and spatial evolutions agree well with POES/Medium Energy Proton and Electron Detectors data. PMID- 27867803 TI - Effect of Bifidobacterium animalis ssp. lactis GCL2505 on visceral fat accumulation in healthy Japanese adults: a randomized controlled trial. AB - Bifidobacterium animalis ssp. lactis GCL2505 (B. lactis GCL2505) is able to survive passage through the intestine and then proliferate, leading to an increase in the amount of gut bifidobacteria. In the present study, we evaluated the impact of B. lactis GCL2505 on abdominal visceral fat storage in overweight and mildly obese Japanese adults. This clinical study was a double-blind, randomized, placebo-controlled, parallel-group comparative trial performed for 12 weeks. Healthy Japanese subjects (N=137) with body mass indices ranging from 23 to 30 kg/m2 consumed either fermented milk containing B. lactis GCL2505 or a placebo every day, and then visceral and subcutaneous abdominal fat areas were measured by computed tomography as the primary endpoints. The number of fecal bifidobacteria was also measured. Visceral fat area, but not subcutaneous fat area, was significantly reduced from baseline at 8 and 12 weeks in the GCL2505 group, compared with the placebo group. The total number of fecal bifidobacteria was significantly increased in the GCL2505 group. These results indicate that B. lactis GCL2505 reduces abdominal visceral fat, a key factor associated with metabolic disorders. This finding suggests that this probiotic strain can potentially serve as a specific functional food to achieve visceral fat reduction in overweight or mildly obese individuals. PMID- 27867802 TI - Structural diversity and biological significance of lipoteichoic acid in Gram positive bacteria: focusing on beneficial probiotic lactic acid bacteria. AB - Bacterial cell surface molecules are at the forefront of host-bacterium interactions. Teichoic acids are observed only in Gram-positive bacteria, and they are one of the main cell surface components. Teichoic acids play important physiological roles and contribute to the bacterial interaction with their host. In particular, lipoteichoic acid (LTA) anchored to the cell membrane has attracted attention as a host immunomodulator. Chemical and biological characteristics of LTA from various bacteria have been described. However, most of the information concerns pathogenic bacteria, and information on beneficial bacteria, including probiotic lactic acid bacteria, is insufficient. LTA is structurally diverse. Strain-level structural diversity of LTA is suggested to underpin its immunomodulatory activities. Thus, the structural information on LTA in probiotics, in particular strain-associated diversity, is important for understanding its beneficial roles associated with the modulation of immune response. Continued accumulation of structural information is necessary to elucidate the detailed physiological roles and significance of LTA. In this review article, we summarize the current state of knowledge on LTA structure, in particular the structure of LTA from lactic acid bacteria. We also describe the significance of structural diversity and biological roles of LTA. PMID- 27867804 TI - DFAST and DAGA: web-based integrated genome annotation tools and resources. AB - Quality assurance and correct taxonomic affiliation of data submitted to public sequence databases have been an everlasting problem. The DDBJ Fast Annotation and Submission Tool (DFAST) is a newly developed genome annotation pipeline with quality and taxonomy assessment tools. To enable annotation of ready-to-submit quality, we also constructed curated reference protein databases tailored for lactic acid bacteria. DFAST was developed so that all the procedures required for DDBJ submission could be done seamlessly online. The online workspace would be especially useful for users not familiar with bioinformatics skills. In addition, we have developed a genome repository, DFAST Archive of Genome Annotation (DAGA), which currently includes 1,421 genomes covering 179 species and 18 subspecies of two genera, Lactobacillus and Pediococcus, obtained from both DDBJ/ENA/GenBank and Sequence Read Archive (SRA). All the genomes deposited in DAGA were annotated consistently and assessed using DFAST. To assess the taxonomic position based on genomic sequence information, we used the average nucleotide identity (ANI), which showed high discriminative power to determine whether two given genomes belong to the same species. We corrected mislabeled or misidentified genomes in the public database and deposited the curated information in DAGA. The repository will improve the accessibility and reusability of genome resources for lactic acid bacteria. By exploiting the data deposited in DAGA, we found intraspecific subgroups in Lactobacillus gasseri and Lactobacillus jensenii, whose variation between subgroups is larger than the well-accepted ANI threshold of 95% to differentiate species. DFAST and DAGA are freely accessible at https://dfast.nig.ac.jp. PMID- 27867805 TI - Isolation of lactic acid bacteria bound to the porcine intestinal mucosa and an analysis of their moonlighting adhesins. AB - The adhesion of lactic acid bacteria (LAB) to the intestinal mucosa is one of the criteria in selecting for probiotics. Eighteen LAB were isolated from porcine intestinal mucin (PIM): ten strains of Lactobacillus, six strains of Weissella, and two strains of Streptococcus. Using sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE) for phosphate-buffered saline (PBS) extracts from the LAB, many bands were detected in half of the samples, while a few and/or no clear bands were detected in the other half. All six of the selected LAB showed adhesion to PIM. L. johnsonii MYU 214 and MYU 221 showed adhesion at more than 10%. W. viridescens MYU 208, L. reuteri MYU 213, L. mucosae MYU 225, and L. agilis MYU 227 showed medium levels of adhesion at 5.9-8.3%. In a comprehensive analysis for the adhesins in the PBS extracts using a receptor overlay analysis, many moonlighting proteins were detected and identified as candidates for adhesins: GroEL, enolase, and elongation factor Tu in MYU 208; peptidase C1, enolase, formyl-CoA transferase, phosphoglyceromutase, triosephosphate isomerase, and phosphofructokinase in MYU 221; and DnaK, enolase, and phosphoglycerate kinase in MYU 227. These proteins in the PBS extracts, which included such things as molecular chaperones and glycolytic enzymes, may play important roles as adhesins. PMID- 27867806 TI - Bile metabolites of polycyclic aromatic hydrocarbons (PAHs) in three species of fish from Morocco. AB - BACKGROUND: Polycyclic aromatic hydrocarbons (PAH) are environmental contaminants that pose significant risk to health of fish. Environmental pollution of fish is a topic of rising attention in Morocco. However, only few studies have been carried out so far, describing the potential threat of organic pollution to Moroccan aquatic ecosystem. Two polycyclic aromatic hydrocarbon (PAH) metabolites, 1-hydroxypyrene (1-OH-Pyr) and 1-hydroxyphenanthrene (1-OH-Phen), were identified and quantified from the bile of 18 European eels (Anguilla anguilla), 7 Moray (Muraenidae), and 28 Conger eels (Conger conger) collected from Moulay Bousselham lagoon and Boujdour coast. The bile metabolites were separated by high-performance liquid chromatography with fluorescence detection. The present study aims to compare the levels of PAH metabolites in fish from the lagoon and the open sea and to compare levels of PAH metabolites in different fish species. RESULTS: The major metabolite present in all fish was 1 hydroxypyrene (