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Obesity alters endocrine and metabolic functions of adipose tissue and has been recognized as a chronic inflammatory disease, which in turn may contribute to the development of insulin resistance, type 2 diabetes, obesity-associated vasculopathy and cardiovascular disease. The pathogenesis of obesity involves many regulatory pathways including transcriptional regulatory networks, including microRNAs...
Both genetic predisposition and lifestyle factors are associated with the risk for obesity. Multiple obesity loci have been identified using genome-wide association studies mainly in European populations. The aims of this study were to examine the associations of these loci with obesity and gene×dietary behavior interactions among Chinese children and adolescents. Nineteen candidate SNPs were genotyped...
Obesity is currently a worldwide public health problem. Retinol-binding protein4 (RBP4) is a recently discovered adipokine, which is potentially associated with insulin resistance and obesity. We aimed to investigate whether genetic variation within the RBP4 gene is correlated with the obesity and lipid profile in Iranian population. 321 samples were randomly selected from participants of Isfahan...
Malfunction in the energy homeostasis system is a major cause of developing obesity. Melanocortin-4 receptor (MC4R) plays a crucial role in this system as a key receptor. Although MC4R gene as an obesity candidate gene is associated with higher BMI, only few attempts have been carried out to understand the mechanism underlying body-weight regulation.The aim of this study is to investigate the association...
Because of the recent discovery of brown adipose tissues tissue in adult humans, brown adipose tissues have garnered additional attention. Many studies have attempted to transform the precursor cells within the white adipocyte cultures to Brite (brown-in-white) cells by using genomic modification or pharmacological activation in order to determine the therapeutic effect of obesity. However, genome-scale...
Epigenetic modifications have been highlighted in chronic non-communicable diseases. The aim of this study was to investigate genome-wide DNA methylation for the identification of methylation markers in obesity. With obese Chinese preschool children, we performed comprehensive DNA methylation profiling of gene promoters and CpG islands to determine the differentially methylated genes using methylated...
Chronic oxidative stress is a major characteristic of obesity. Manganese superoxide dismutase (MnSOD) is an antioxidant enzyme known to be present within mitochondria and is considered a main defense against oxidative stress. The aim of this study was to investigate the association between the MnSOD gene Ala16Val polymorphism in obesity in terms of body mass index (BMI), lipid parameters, plasma leptin...
The prevalence of obesity has increased worldwide and it has been designated as a global epidemic by WHO. In Pakistan, recent decades have seen an explosion of obesity, but the research in the field of obesity genetics is limited. We aimed to determine the allele/genotype frequencies of Ala54Thr polymorphism of the FABP2 gene that affects fatty acid metabolism and look for its association on serum...
MicroRNAs (miRs) regulate processes involved in both cardiac remodeling and obesity. We investigated if the expression of selected miRs in patients with heart failure (HF) is influenced by the presence of obesity.In this case–control study, we compared plasma levels of miR-21, -130b, -221, -423-5p, and the -221/-130b ratio in 57 age- and gender-matched subjects: 40 HF patients (20 obese HF and 20...
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