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https://www.readbyqxmd.com/read/28351091/plasma-betatrophin-levels-of-subjects-classified-with-normal-impaired-and-diabetic-glucose-tolerance-and-subjects-with-impaired-fasting-glucose
#1
Sibel Ozyazgan, Burak Onal, Eda Merve Kurtulus, Hafize Uzun, Gokhan Akkan, Dildar Konukoglu
This study was aimed to investigate whether betatrophin shows glucose intolerance or not. To access the plasma betatrophin levels after basal and glucose load, groups were classified as normal glucose tolerance (NGT), impaired fasting glucose (IFG), impaired glucose tolerance (IGT), and diabetic glucose tolerance (DGT) according to WHO 2012 criteria. An oral glucose tolerance test was performed on age-matched subjects (n=220) with a body mass index (BMI)<27 kg/m(2). Subjects were categorized as normoglycemic (n=55), IFG (n=50), IGT (n=60), and DM (n=55) according to the WHO criteria...
March 28, 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/28351090/an-increase-in-normal-sua-level-within-the-normal-range-predicts-risk-of-metabolic-syndrome-especially-in-women-a-cross-sectional-study
#2
Qian Li, Jing Lu, Xi Cao, Ting-Ting Shi, Jian-Ping Feng, Jin-Kui Yang
This study was aimed to evaluate the relationship between normal serum uric acid (SUA) level and metabolic syndrome (MetS) risk. This cross-sectional study involved 1914 subjects with MetS and 3 659 healthy controls aged 18-79 years. All participants filled out questionnaires and underwent physical examination and blood sample collection for biochemical examination. Demographic and clinical characteristics data were analyzed by t-test or chi-squared test. Normal SUA levels were divided into quartiles. Associations between quartiles of normal SUA level and the risk of MetS were explored using logistic regression analysis and receiver operating characteristic (ROC) curve analysis...
March 28, 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/28351086/independent-risk-factors-predicting-central-lymph-node-metastasis-in-papillary-thyroid-microcarcinoma
#3
Xiaolong Yu, Xuejia Song, Wenhai Sun, Shihua Zhao, Jiajun Zhao, Yan-Gang Wang
The incidence of papillary thyroid microcarcinoma (PTMC) has risen rapidly in recent years, and PTMC patients with central lymph node metastasis (CLNM) usually have poor prognosis. Independent risk factors predicting CLNM in PTMC have not been well understood. The aim of our study was to identify useful clinicopathological risk factors predicting CLNM in PTMC patients. This was a retrospective study of 917 patients with PTMC treated with surgery from January 2014 to December 2015 in our hospital. The relationship between clinicopathological factors and CLNM was analyzed to identify those factors predicting CLNM in PTMC...
March 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/28351083/how-to-escape-from-primary-aldosteronism-news-and-views-on-an-adrenal-disorder-of-salt-retention
#4
Holger S Willenberg
The last years have seen substantial progress in primary aldosteronism (PA), which is the most common cause of secondary hypertension. Many programs have been established around the world to meet the needs in healthcare and the management of patients with PA according to published guidelines and clinical protocols. Systematic analysis of emerging data and meticulous scientific work have informed us on the molecular basis of the disease and helped to characterize hereditary forms of PA. Techniques have been developed to better diagnose PA and to establish genotype-phenotype relationships and their impact on hypertension...
March 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/28351067/do-medical-students-narrative-representations-of-the-good-doctor-change-over-time-comparing-humanism-essays-from-a-national-contest-in-1999-and-2013
#5
Pooja C Rutberg, Brandy King, Elizabeth Gaufberg, Pamela Brett-MacLean, Perry Dinardo, Richard M Frankel
PURPOSE: To explore medical students' conceptions of "the good doctor" at two points in time separated by 14 years. METHOD: The authors conducted qualitative analysis of narrative-based essays. Following a constant comparative method, an emergent relational coding scheme was developed which the authors used to characterize 110 essays submitted to the Arnold P. Gold Foundation Humanism in Medicine Essay Contest in 1999 (n = 50) and 2013 (n = 60) in response to the prompt, "Who is the good doctor?" RESULTS: The authors identified five relational themes as guiding the day-to-day work and lives of physicians: doctor-patient, doctor-self, doctor-learner, doctor-colleague, and doctor-system/society/profession...
April 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/28351064/the-early-tech-development-course-experiential-commercialization-education-for-the-medical-academician
#6
Jonathan Servoss, Connie Chang, Jonathan Fay, Kevin Ward
PROBLEM: Research produced by medical academicians holds promise for developing into biomedical innovations in therapeutics, devices, diagnostics, and health care information technology; however, the road to biomedical innovation is fraught with risk, including the challenge of moving from basic research insight onto a viable commercialization path. Compounding this challenge is the growing demand on medical academicians to be more productive in their clinical, teaching, and research duties within a resource-constrained environment...
April 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/28351057/genome-wide-identification-and-analysis-of-the-type-b-authentic-response-regulator-gene-family-in-peach-prunus-persica
#7
Jingjue Zeng, Xudong Zhu, Muhammad S Haider, Xicheng Wang, Cheng Zhang, Chen Wang
The type-B authentic response regulator (ARR-B) family members serve as DNA-binding transcriptional regulators, whose activities are probably regulated by phosphorylation/dephosphorylation, resulting in the rapid induction of type-A ARR genes. Type-B ARRs are believed to be involved in many biological processes, including cytokinin signaling, plant growth, and stress responses through a chaperone or by isomerization of proline residues during protein folding. The public availability of complete peach genome sequences allows the identification of 23 ARR-B genes by HMMER and blast analysis...
March 29, 2017: Cytogenetic and Genome Research
https://www.readbyqxmd.com/read/28351040/macular-edema-definition-and-basic-concepts
#8
Gabriel Coscas, José Cunha-Vaz, Gisèle Soubrane
Macular edema is the result of an accumulation of fluid in the retinal layers around the fovea. It contributes to vision loss by altering the functional cell relationship in the retina and promoting an inflammatory reparative response. Macular edema may be intracellular or extracellular. Intracellular accumulation of fluid, also called cytotoxic edema, is an alteration of the cellular ionic distribution. Extracellular accumulation of fluid, which is more frequent and clinically more relevant, is directly associated with an alteration of the blood-retinal barrier (BRB)...
2017: Developments in Ophthalmology
https://www.readbyqxmd.com/read/28351036/hypoxia-induces-multidrug-resistance-via-enhancement-of-epidermal-growth-factor-like-domain-7-expression-in-non-small-lung-cancer-cells
#9
Xiaochun Shen, Qiaoming Zhi, Yunliang Wang, Zhi Li, Jin Zhou, Jianan Huang
Chemotherapy is widely used in non-small cell lung cancer (NSCLC) treatment, yet multidrug resistance (MDR) is a major chemotherapeutic obstacle in both resectable and advanced NSCLC. Epidermal growth factor-like domain 7 (EGFL7), also known as vascular endothelial stain, is an endothelial cell-derived secreted factor that regulates vascular tube formulation. The aim of this study was to investigate the potential relationships between EGFL7 and MDR in NSCLC cells. We first obtained the CDDP-based MDR phenotype cell line A549/CDDP by repeated exposure to a proper concentration of CDDP (cisplatin) from original A549 cells...
March 29, 2017: Chemotherapy
https://www.readbyqxmd.com/read/28351035/resting-state-functional-connectivity-changes-associated-with-visuospatial-cognitive-deficits-in-patients-with-mild-alzheimer-disease
#10
Rakesh Balachandar, Srikala Bharath, John P John, Himanshu Joshi, Shilpa Sadanand, Jitender Saini, Keshav J Kumar, Mathew Varghese
BACKGROUND/AIMS: Alzheimer disease (AD) is a neurodegenerative disorder characterized by progressive disconnection of various brain networks leading to neuropsychological impairment. Pathology in the visual association areas has been documented in presymptomatic AD and therefore we aimed at examining the relationship between brain connectivity and visuospatial (VS) cognitive deficits in early AD. METHODS: Tests for VS working memory, episodic memory and construction were used to classify patients with AD (n = 48) as having severe VS deficits (n = 12, female = 4) or mild deficits (n = 11, female = 4)...
March 29, 2017: Dementia and Geriatric Cognitive Disorders
https://www.readbyqxmd.com/read/28351026/common-variants-of-vitamin-d-receptor-gene-polymorphisms-and-susceptibility-to-coronary-artery-disease-a-systematic-review-and-meta-analysis
#11
Shahab Alizadeh, Kurosh Djafarian, Hamzeh Alizadeh, Reza Mohseni, Sakineh Shab-Bidar
BACKGROUND AND AIMS: ApaI, FokI, TaqI, and BsmI polymorphisms in the vitamin D receptor (VDR) gene have been reported to be associated with the risk of coronary artery disease (CAD), although the results of previous studies have been inconsistent. The aim of this study was to explore whether these polymorphisms play a role in the genetic susceptibility to CAD. METHODS: A comprehensive search of Medline and Embase databases was conducted for studies evaluating the association between the VDR polymorphisms and CAD risk...
March 29, 2017: Journal of Nutrigenetics and Nutrigenomics
https://www.readbyqxmd.com/read/28350999/discovery-of-novel-1-2-3-4-tetrahydrobenzo-4-5-thieno-2-3-c-pyridine-derivatives-as-potent-and-selective-cyp17-inhibitors
#12
Mingliang Wang, Yanjia Fang, Shoulai Gu, Fangfang Chen, Zhengjiang Zhu, Xun Sun, Jidong Zhu
The inhibition of CYP17 to block androgen biosynthesis is a well validated strategy for the treatment of prostate cancer. Herein we reported the design, synthesis and structure-activity relationship (SAR) study for a series of novel 1,2,3,4- tetrahydrobenzo[4,5]thieno[2,3-c]pyridine derivatives. Some analogs demonstrated a potent inhibition to both rat and human CYP17 protein and reduced testosterone production in human H295R cell line. Some analogs also showed high selectivity against other CYP enzymes such as 3A4, 1A2, 2C9, 2C19 and 2D6, which may limit side effects due to drug-drug interactions...
March 21, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28350998/anticancer-copper-ii-phosphorus-dendrimers-are-potent-proapoptotic-bax-activators
#13
Serge Mignani, Nabil El Brahmi, Laure Eloy, Joel Poupon, Valérie Nicolas, Anke Steinmetz, Said El Kazzouli, Mosto M Bousmina, Mireille Blanchard-Desce, Anne-Marie Caminade, Jean-Pierre Majoral, Thierry Cresteil
A multivalent phosphorus dendrimer 1G3 and its corresponding Cu-complex, 1G3-Cu have been recently identified as agents retaining high antiproliferative potency. This antiproliferative capacity was preserved in cell lines overexpressing the efflux pump ABC B1, whereas cross-resistance was observed in ovarian cancer cell lines resistant to cisplatin. Theoretical 3D models were constructed: the dendrimers appear as irregularly shaped disk-like nano-objects of about 22 Å thickness and 49 Å diameter, which accumulated in cells after penetration by endocytosis...
March 21, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28350954/integrating-drug-s-mode-of-action-into-quantitative-structure-activity-relationships-for-improved-prediction-of-drug-induced-liver-injury
#14
Leihong Wu, Zhichao Liu, Scott S Auerbach, Ruili Huang, Minjun Chen, Kristin McEuen, Joshua Zhihua Xu, Hong Fang, Weida Tong
Drug-induced liver injury (DILI) is complex in mechanism. Different drugs could undergo different mechanisms but result in the same DILI type while the same drug could lead to different DILI types via different mechanisms. Therefore, predicting a drug's potential for DILI should take its underlying mechanisms into consideration. To achieve that, we constructed a novel approach by incorporating drug's Mode of Action (MOA) into Quantitative Structure-Activity Relationship (QSAR) modeling. This MOA-DILI approach was examined using a dataset of 333 drugs...
March 28, 2017: Journal of Chemical Information and Modeling
https://www.readbyqxmd.com/read/28350952/future-advances-in-spine-surgery-the-aospine-north-america-perspective
#15
Michael G Fehlings, Christopher S Ahuja, Thomas Mroz, Wellington Hsu, James Harrop
This focus issue highlights state-of-the-art techniques, equipment, and practices in the modern era of spine surgery while providing a glimpse into the next generation of patient care. A broad range of topics are presented to cover the full spectrum of the field. Degenerative diseases are discussed in a series of 3 articles on (1) pathophysiology, management, and surgical approaches to degenerative cervical myelopathy; (2) novel approaches to degenerative thoracolumbar disease (eg, interspinous process spacers, minimally invasive/endoscopic approaches); and (3) animal models and emerging therapeutics in degenerative disk disease...
March 1, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28350884/impacts-of-representing-sea-level-rise-uncertainty-on-future-flood-risks-an-example-from-san-francisco-bay
#16
Kelsey L Ruckert, Perry C Oddo, Klaus Keller
Rising sea levels increase the probability of future coastal flooding. Many decision-makers use risk analyses to inform the design of sea-level rise (SLR) adaptation strategies. These analyses are often silent on potentially relevant uncertainties. For example, some previous risk analyses use the expected, best, or large quantile (i.e., 90%) estimate of future SLR. Here, we use a case study to quantify and illustrate how neglecting SLR uncertainties can bias risk projections. Specifically, we focus on the future 100-yr (1% annual exceedance probability) coastal flood height (storm surge including SLR) in the year 2100 in the San Francisco Bay area...
2017: PloS One
https://www.readbyqxmd.com/read/28350863/the-relationship-between-least-cost-and-resistance-distance
#17
Robby R Marrotte, Jeff Bowman
Least-cost modelling and circuit theory are common analogs used in ecology and evolution to model gene flow or animal movement across landscapes. Least-cost modelling estimates the least-cost distance, whereas circuit theory estimates resistance distance. The bias added in choosing one method over the other has not been well documented. We designed an experiment to test whether both methods were linearly related. We also tested the sensitivity of these metrics to variation in Euclidean distance, spatial autocorrelation, the number of pixels representing the landscape, and data aggregation...
2017: PloS One
https://www.readbyqxmd.com/read/28350859/correlation-between-clinical-severity-and-different-non-invasive-measurements-of-carbon-monoxide-concentration-a-population-study
#18
Thomas Hullin, Jerome Aboab, Kristell Desseaux, Sylvie Chevret, Djillali Annane
OBJECTIVES: Carbon monoxide (CO) poisoning is a major concern in industrialized countries. Each year, thousands of victims, resulting in approximately 100 fatalities, are encountered in France. The diagnosis of CO poisoning is challenging; while carboxyhemoglobin (COHb) may be useful, it is a weak indicator of the severity of CO poisoning. This weak indicator may be a result of the delay between poisoning occurrence and the blood assay. Two apparatuses, CO oximeters and exhaled CO analyzers, now permit COHb to be determined outside hospitals...
2017: PloS One
https://www.readbyqxmd.com/read/28350857/differentiating-anxiety-forms-and-their-role-in-academic-performance-from-primary-to-secondary-school
#19
Emma Carey, Amy Devine, Francesca Hill, Dénes Szűcs
INTRODUCTION: Individuals with high levels of mathematics anxiety are more likely to have other forms of anxiety, such as general anxiety and test anxiety, and tend to have some math performance decrement compared to those with low math anxiety. However, it is unclear how the anxiety forms cluster in individuals, or how the presence of other anxiety forms influences the relationship between math anxiety and math performance. METHOD: We measured math anxiety, test anxiety, general anxiety and mathematics and reading performance in 1720 UK students (year 4, aged 8-9, and years 7 and 8, aged 11-13)...
2017: PloS One
https://www.readbyqxmd.com/read/28350854/expression-of-claudin-11-23-in-different-gastric-tissues-and-its-relationship-with-the-risk-and-prognosis-of-gastric-cancer
#20
Youzhu Lu, Jingjing Jing, Liping Sun, Yuehua Gong, Moye Chen, Zeyang Wang, Mingjun Sun, Yuan Yuan
Claudins play an important role in regulating the permeability of epithelial and endothelial cells and in the maintenance of cell polarity. We aimed to investigate expression of claudin-11, -23 in different gastric tissues and its relationship with clinicopathologic parameters and prognosis of gastric cancer. We compared their expression levels in the paired cancerous tissues versus those in the adjacent noncancerous tissues by real-time PCR, western blotting and immunohistochemistry. The results showed that the expression of claudin-11, -23 was greatly increased in paracancerous gastric tissue compared with cancerous tissue...
2017: PloS One
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