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https://www.readbyqxmd.com/read/28716822/dock2-deficiency-mitigates-high-fat-diet-induced-obesity-by-reducing-adipose-tissue-inflammation-and-increasing-energy-expenditure
#1
Xia Guo, Feifei Li, Zaiyan Xu, Amelia Yin, Hang Yin, Chenxiao Li, Shi-You Chen
Obesity is the major risk factor for type 2 diabetes, cardiovascular disorders, and many other diseases. Adipose tissue inflammation is frequently associated with obesity and contributes to the morbidity and mortality. Dedicator of cytokinesis 2 (DOCK2) is involved in several inflammatory diseases, but its role in obesity remain unknown. To explore the function of DOCK2 in obesity and insulin resistance, wild-type (WT) and DOCK2 deficient (DOCK2-/-) mice were given chow or high-fat diet (HFD) for 12 weeks followed by metabolic, biochemical and histologic analyses...
July 17, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/28716248/interleukin-6-il-6-rs1800796-and-cyclin-dependent-kinase-inhibitor-cdkn2a-cdkn2b-rs2383207-are-associated-with-ischemic-stroke-in-indigenous-west-african-men
#2
Rufus Akinyemi, Donna K Arnett, Hemant K Tiwari, Bruce Ovbiagele, Fred Sarfo, Vinodh Srinivasasainagendra, Marguerite Ryan Irvin, Abiodun Adeoye, Rodney T Perry, Albert Akpalu, Carolyn Jenkins, Lukman Owolabi, Reginald Obiako, Kolawole Wahab, Emmanuel Sanya, Morenikeji Komolafe, Michael Fawale, Philip Adebayo, Godwin Osaigbovo, Taofiki Sunmonu, Paul Olowoyo, Innocent Chukwuonye, Yahaya Obiabo, Onoja Akpa, Sylvia Melikam, Raelle Saulson, Raj Kalaria, Adesola Ogunniyi, Mayowa Owolabi
BACKGROUND: Inherited genetic variations offer a possible explanation for the observed peculiarities of stroke in sub - Saharan African populations. Interleukin-6 polymorphisms have been previously associated with ischemic stroke in some non-African populations. AIM: Herein we investigated, for the first time, the association of genetic polymorphisms of IL-6, CDKN2A- CDKN2B and other genes with ischemic stroke among indigenous West African participants in the Stroke Investigative Research and Education Network (SIREN) Study...
August 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28716044/type-2-diabetes-is-associated-with-an-increased-prevalence-of-respiratory-symptoms-as-compared-to-the-general-population
#3
F De Santi, G Zoppini, F Locatelli, E Finocchio, V Cappa, M Dauriz, G Verlato
BACKGROUND: To estimate the prevalence of respiratory symptoms in individuals with type 2 diabetes, as compared to the general population. METHODS: Between 2007 and 2010 the screening questionnaire of GEIRD (Gene Environment Interactions in Respiratory Diseases) study was administered to two samples of Verona general population, aged respectively 45-64 years and 65-84 years, and to a convenience sample of individuals with type 2 diabetes, consequently recruited at the local Diabetes Centre...
July 17, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28715444/pyrrolidine-dithiocarbamate-ameliorates-endothelial-dysfunction-in-thoracic-aorta-of-diabetic-rats-by-preserving-vascular-ddah-activity
#4
Chang-Wu Lu, Yuan Lin, Yan-Ping Lei, Lan Wang, Zhi-Min He, Yan Xiong
OBJECTIVE: Endothelial dysfunction plays a pivotal role in the development of diabetic cardiovascular complications. Accumulation of endogenous nitric oxide synthase (NOS) inhibitor asymmetric dimethylarginine (ADMA) and inhibition of dimethylarginine dimethylaminohydrolase (DDAH) activity have been involved in diabetic endothelial dysfunction. This study was to investigate the effect of pyrrolidine dithiocarbamate (PDTC) on impairment of endothelium-dependent vasodilatation in diabetic rats and its potential mechanism...
2017: PloS One
https://www.readbyqxmd.com/read/28715234/is-cardiovascular-disease-in-patients-with-diabetes-associated-with-serum-levels-of-mmp-2-lox-and-the-elastin-degradation-products-elm-and-elm-2
#5
Simone Andrea Rørdam Preil, Anne-Sofie Faarvang Thorsen, Anne Lindegaard Christiansen, Mikael Kjær Poulsen, Morten Asser Karsdal, Diana Julie Leeming, Lars Melholt Rasmussen
BACKGROUND: Diabetes mellitus type 2 (T2DM) is a significant risk factor for the development of cardiovascular diseases (CVDs). In a previous microarray study of internal mammary arteries from patients with and without T2DM, we observed several elastin-related genes with altered mRNA-expression in diabetic patients, namely matrix metalloproteinase 2 (MMP-2), lysyl oxidase (LOX) and elastin itself. In this study we investigate whether the serum concentrations of elastin-related proteins correlate to signs of CVD in patients with T2DM...
July 17, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28715029/anisotropic-microfibrous-scaffolds-enhance-the-organization-and-function-of-cardiomyocytes-derived-from-induced-pluripotent-stem-cells
#6
Maureen Wanjare, Luqia Hou, Karina H Nakayama, Joseph J Kim, Nicholas P Mezak, Oscar J Abilez, Evangeline Tzatzalos, Joseph C Wu, Ngan F Huang
Engineering of myocardial tissue constructs is a promising approach for treatment of coronary heart disease. To engineer myocardial tissues that better mimic the highly ordered physiological arrangement and function of native cardiomyocytes, we generated electrospun microfibrous polycaprolactone scaffolds with either randomly oriented (14 μm fiber diameter) or parallel-aligned (7 μm fiber diameter) microfiber arrangement and co-seeded the scaffolds with human induced pluripotent stem cell-derived cardiomyocytes (iCMs) and endothelial cells (iECs) for up to 12 days after iCM seeding...
July 17, 2017: Biomaterials Science
https://www.readbyqxmd.com/read/28713948/microrna%C3%A2-126-inhibits-endothelial-permeability-and-apoptosis-in-apolipoprotein-e%C3%A2-knockout-mice-fed-a-high%C3%A2-fat-diet
#7
Xiao-Wen Cheng, Yu-Feng Wan, Qing Zhou, Yuan Wang, Hua-Qing Zhu
Endothelial dysfunction and apoptosis have key roles in the initiation and progression of atherosclerosis (AS). AS has been demonstrated to be associated with a high‑fat diet, which may increase endothelial permeability and apoptosis; however, the exact mechanisms underlying the development of AS remain poorly understood. MicroRNAs (miRNAs) are vital for the regulation of cardiovascular disease, and dysregulated miRNAs have been implicated in AS. The present study investigated whether miRNA (miR)‑126 regulates high‑fat diet‑induced endothelial permeability and apoptosis by targeting transforming growth factor β (TGFβ), a secreted protein that controls cellular proliferation and apoptosis...
July 12, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28713939/microarray-analysis-reveals-key-genes-and-pathways-in-tetralogy-of-fallot
#8
Yue-E He, Hui-Xian Qiu, Jian-Bing Jiang, Rong-Zhou Wu, Ru-Lian Xiang, Yuan-Hai Zhang
The aim of the present study was to identify key genes that may be involved in the pathogenesis of Tetralogy of Fallot (TOF) using bioinformatics methods. The GSE26125 microarray dataset, which includes cardiovascular tissue samples derived from 16 children with TOF and five healthy age‑matched control infants, was downloaded from the Gene Expression Omnibus database. Differential expression analysis was performed between TOF and control samples to identify differentially expressed genes (DEGs) using Student's t‑test, and the R/limma package, with a log2 fold‑change of >2 and a false discovery rate of <0...
July 6, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28713862/metabolic-surgery-gastric-bypass-for-the-treatment-of-type-2-diabetes-mellitus
#9
REVIEW
Maria Del Pilar Quevedo, Mariano Palermo, Edgardo Serra, Marianela A Ackermann
Type 2 diabetes mellitus (T2DM) is one of the largest health emergencies of the 21st century given the worldwide increase of obesity during the last decades and its close association. T2DM is an inherited, polygenic and chronic disease caused by the interaction between several genetic variants in genes and the environment. The continuous search for new and more effective tools to achieve appropriate glycemic control became imperative in order to reduce long-term complications and mortality rates related to T2DM...
2017: Translational Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28712132/impact-of-lipoprotein-apheresis-with-dextran-sulfate-adsorption-on-the-expression-of-genes-involved-in-cardiovascular-health-in-the-blood-of-patients-with-homozygous-familial-hypercholesterolemia
#10
Jean-Philippe Drouin-Chartier, André J Tremblay, Jean Bergeron, Nathalie Laflamme, Benoît Lamarche, Patrick Couture
Lipoprotein apheresis (LA) with dextran sulfate adsorption (DSA) is a reliable method to decrease LDL-cholesterol (C) concentrations in patients with homozygous familial hypercholesterolemia (HoFH). The objective of the present study was to investigate the impact of LA with DSA on the mRNA expression of genes associated with cardiovascular health in the whole blood of HoFH patients. Blood samples were collected before and after LA treatment with DSA in 9 HoFH patients. Microarray analyses were performed to measure the whole blood expression of >30 000 annotated genes pre- and post-LA...
July 16, 2017: Journal of Clinical Apheresis
https://www.readbyqxmd.com/read/28712073/association-between-ace-and-agt-polymorphism-and-cardiovascular-risk-in-acromegalic-patients
#11
Tomris Erbas, Nese Cinar, Selcuk Dagdelen, Arzu Gedik, Hikmet Yorgun, Ugur Canpolat, Giray Kabakci, Mehmet Alikasifoglu
PURPOSE: Whether the renin-angiotensin-aldosterone system plays a role or not in the development of cardiovascular morbidity in acromegaly patients is unknown. The aim of the study was to investigate the association between ACE (I/D) and AGT (M235T) gene polymorphisms and cardiovascular and metabolic disorders in the acromegaly. METHODS: The study included one hundred and seventeen acromegalic patients (62 F/55 M, age: 50.2 ± 12.3 years) and 106 healthy controls (92 F/14 M, age: 41...
July 15, 2017: Pituitary
https://www.readbyqxmd.com/read/28711625/suppressing-mpges-1-expression-by-sinomenine-ameliorates-inflammation-and-arthritis
#12
Hua Zhou, Jian-Xin Liu, Jin-Fang Luo, Chun-Song Cheng, Elaine Lai-Han Leung, Ying Li, Xiao-Hui Su, Zhong-Qiu Liu, Ting-Bo Chen, Fu-Gang Duan, Yan Dong, Yi-Han Zuo, Chong Li, Chon Kit Lio, Ting Li, Pei Luo, Ying Xie, Xiao-Jun Yao, Pei-Xun Wang, Liang Liu
Recently, microsomal prostaglandin E synthase 1 (mPGES-1) has attracted much attention from pharmacologists as a promising strategy and an attractive target for treating various types of diseases including rheumatoid arthritis (RA), which could preserve the anti-inflammatory effect while reducing the adverse effects often occur during administration of Non-steroidal anti-inflammatory drugs (NSAIDs). Here, we report that Sinomenine (SIN) decreased prostaglandin (PG)E2 levels without affecting prostacyclin (PG)I2 and thromboxane (TX)A2 synthesis via selective inhibiting mPGES-1 expression, a possible reason of low risk of cardiovascular event compared with NSAIDs...
July 12, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28711009/comprehensive-gene-and-microrna-expression-profiling-on-cardiovascular-system-in-zebrafish-co-exposured-of-sinps-and-mehg
#13
Hejing Hu, Yanfeng Shi, Yannan Zhang, Jing Wu, Collins Otieno Asweto, Lin Feng, Xiaozhe Yang, Junchao Duan, Zhiwei Sun
Air pollution has been shown to increase cardiovascular diseases. However, little attention has been paid to the combined effects of PM and air pollutants on the cardiovascular system. To explore this, a high-throughput sequencing technology was used to determine combined effects of silica nanoparticles (SiNPs) and MeHg in zebrafish. Our study demonstrated that SiNPs and MeHg co-exposure could cause significant changes in mRNA and miRNA expression patterns in zebrafish. The differentially expressed (DE) genes in profiles 17 and 26 of STC analysis suggest that SiNPs and MeHg co-exposure had more proinflammatory and cardiovascular toxicity in zebrafish than single exposure...
July 12, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28708046/analysis-of-mtnr1b-gene-polymorphisms-in-relationship-with-irs2-gene-variants-epicardial-fat-thickness-glucose-homeostasis-and-cognitive-performance-in-the-elderly
#14
Gianluigi Mazzoccoli, Mariangela Pia Dagostino, Giulia Paroni, Davide Seripa, Filomena Ciccone, Filomena Addante, Giovanni Favuzzi, Elvira Grandone, Roberto Avola, Tommaso Mazza, Caterina Fusilli, Antonio Greco, Salvatore De Cosmo
ABSTARCT Genome-wide association studies pinpointed common variants in or near the MTNR1B gene encoding MT2 melatonin receptor to be strongly associated with fasting glucose levels. IRS2 gene polymorphisms impact insulin resistance and epicardial fat (EF) thickness, which in turn is correlated with visceral adiposity, cognitive ability and risk for metabolic plus cardiovascular disease. We aimed to discover the interactions between MTNR1B and IRS2 gene polymorphisms, insulin sensitivity, EF thickness and cognitive performance in the elderly...
July 14, 2017: Chronobiology International
https://www.readbyqxmd.com/read/28707585/migraine-neurogenic-inflammation-drug-development-pharmacochemical-aspects
#15
Melinda Lukács, János Tajti, Ferenc Fülöp, József Toldi, Lars Edvinsson, László Vécsei
BACKGROUND: Migraine is a primary headache disorder. Despite numerous studies conducted with the aim to understand the pathophysiology of migraine, several aspects are still unclear. The trigeminovascular system plays a key role. Neurogenic inflammation is presumed to be an important factor in migraine pathophysiology, mediated by the activation of primary neurons, leading to the release of various pro-inflammatory neuropeptides and neurotransmitters such as Calcitonin Gene-Related Peptide (CGRP), substance P (SP), and vasoactive intestinal peptide (VIP)...
July 12, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28707263/delivery-of-viral-vectors-for-gene-therapy-in-intimal-hyperplasia-and-restenosis-in-atherosclerotic-swine
#16
REVIEW
Sannette Hall, Devendra K Agrawal
Cardiovascular diseases including atherosclerosis are a major financial and health burden globally. Inflammation associated with atherosclerosis results in the development of plaques that can rupture causing thrombosis, stroke, or death. The most widely used treatment for the removal of atherosclerotic plaques is percutaneous transluminal coronary angioplasty (PTCA) with or without stenting. Although this is a safer and minimally invasive method, restenosis and intimal hyperplasia after interventional procedure remains a major hurdle and more refined approaches are needed...
July 13, 2017: Drug Delivery and Translational Research
https://www.readbyqxmd.com/read/28707163/characterization-of-snps-in-the-dopamine-%C3%AE-hydroxylase-gene-providing-new-insights-into-its-structure-function-relationship
#17
Toyanji Joseph Punchaichira, Sanjay Kumar Dey, Anirban Mukhopadhyay, Suman Kundu, B K Thelma
Dopamine-β-hydroxylase (DBH, EC 1.14.17.1), an oxido-reductase that catalyses the conversion of dopamine to norepinephrine, is largely expressed in sympathetic neurons and adrenal medulla. Several regulatory and structural variants in DBH associated with various neuropsychiatric, cardiovascular diseases and a few that may determine enzyme activity have also been identified. Due to paucity of studies on functional characterization of DBH variants, its structure-function relationship is poorly understood. The purpose of the study was to characterize five non-synonymous (ns) variants that were prioritized either based on previous association studies or Sorting Tolerant From Intolerant (SIFT) algorithm...
July 13, 2017: Neurogenetics
https://www.readbyqxmd.com/read/28706949/genetic-variant-of-kalirin-gene-is-associated-with-ischemic-stroke-in-a-chinese-han-population
#18
Hong Li, Shasha Yu, Rui Wang, Zhaoqing Sun, Xinghu Zhou, Liqiang Zheng, Zhihua Yin, Xingang Zhang, Yingxian Sun
INTRODUCTION: Ischemic stroke is a complex disorder resulting from the interplay of genetic and environmental factors. Previous studies showed that kalirin gene variations were associated with cardiovascular disease. However, the association between this gene and ischemic stroke was unknown. We performed this study to confirm if kalirin gene variation was associated with ischemic stroke. METHODS: We enrolled 385 ischemic stroke patients and 362 controls from China...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28706193/polydextrose-changes-the-gut-microbiome-and-attenuates-fasting-triglyceride-and-cholesterol-levels-in-western-diet-fed-mice
#19
Ghulam Shere Raza, Heli Putaala, Ashley A Hibberd, Esa Alhoniemi, Kirsti Tiihonen, Kari Antero Mäkelä, Karl-Heinz Herzig
Obesity and dyslipidemia are hallmarks of metabolic and cardiovascular diseases. Polydextrose (PDX), a soluble fiber has lipid lowering effects. We hypothesize that PDX reduces triglycerides and cholesterol by influencing gut microbiota, which in turn modulate intestinal gene expression. C57BL/6 male mice were fed a Western diet (WD) ±75 mg PDX twice daily by oral gavage for 14 days. Body weight and food intake were monitored daily. Fasting plasma lipids, caecal microbiota and gene expression in intestine and liver were measured after 14 days of feeding...
July 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28704522/assessment-of-gut-microbiota-populations-in-lean-and-obese-zucker-rats
#20
Reza Hakkak, Soheila Korourian, Steven L Foley, Bruce D Erickson
Obesity has been on the rise in the US and worldwide for the last several decades. Obesity has been associated with chronic disease development, such as certain types of cancer, type 2 diabetes, cardiovascular disease, and liver diseases. Previously, we reported that obesity promotes DMBA-induced mammary tumor development using the obese Zucker rat model. The intestinal microbiota is composed of a diverse population of obligate and facultative anaerobic microorganisms, and these organisms carry out a broad range of metabolic activities...
2017: PloS One
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