نتایج جستجو برای: insulin resistant
تعداد نتایج: 369855 فیلتر نتایج به سال:
background: leptin is an adipokine that circulates in a free form and bound to a soluble leptin receptor. patients with polycystic ovary syndrome have increased insulin resistance and high incidence of obesity. objective: this study was carried out to evaluate levels of leptin and free leptin in women with polycystic ovarian syndrome (pcos) and note any relationships with insulin resistance and...
Compensatory hyperinsulinemia permitting insulin-resistant individuals to maintain normal glucose tolerance is associated with a left shift in the glucose-stimulated insulin secretion rate (GS-ISR) dose-response curve and decrease in the insulin metabolic clearance rate (I-MCR). To see whether these changes would reverse with improvement in insulin sensitivity, 14 nondiabetic insulin-resistant ...
OBJECTIVE Nonalcoholic fatty liver (NAFL) is thought to contribute to insulin resistance and its metabolic complications. However, some individuals with NAFL remain insulin sensitive. Mechanisms involved in the susceptibility to develop insulin resistance in humans with NAFL are largely unknown. We investigated circulating markers and mechanisms of a metabolically benign and malignant NAFL by a...
INTRODUCTION AND OBJECTIVE Polycystic ovary syndrome (PCOS) is one of the most frequent reasons for anovulation in infertile women. It can affect 5%-10% of women of reproductive age. One of the important factors associated with the typical clinical signs and hormonal disorders could be insulin resistance and hyperinsulinaemia. The primary objective of this study was to assess the prevalence of ...
Insulin-stimulated glycogen synthase activity in human muscle is reduced in insulin-resistant subjects. Insulin regulation of human muscle glycogen synthase may require activation of a type-1 protein phosphatase (PP-1). We investigated the change of phosphorylase phosphatase and glycogen synthase activities in muscle biopsies obtained during a 2-h hyperinsulinemic euglycemic clamp in 12 insulin...
objective: micro-rnas (mirnas) are a class of posttranscriptional regulators that play crucial roles in various biological processes. emerging evidence suggests a direct link between mirnas and development of several diseases including type 2 diabetes (t2d). in this study, we aimed to investigate the effect of predicted mirna and target genes on insulin resistance. materials and methods: this e...
Insulin resistance is a risk factor for non-response to interferon/ribavirin therapy in patients with chronic hepatitis C. The aim of this study was to determine the role played by protein-tyrosine phosphatases (PTPs) in the absence of interferon-α (IFNα) response associated with insulin resistance. We induced insulin resistance by silencing IRS-2 or by treating HepG2 cells with tumor necrosis ...
BACKGROUND Inadequate angiogenic response to ischemia in the myocardium of diabetic patients could result in poor collateral formation. Yet, excessive neovascularization in the retina causes proliferative diabetic retinopathy. Since vascular endothelial growth factor (VEGF) is the major angiogenic factor expressed in response to hypoxia, we have characterized expression of VEGF and its receptor...
the worldwide prevalence of insulin resistant states such as the metabolic syndrome has grown rapidly over the past few decades. the metabolic syndrome is a constellation of common metabolic disorders that promote the development of atherosclerosis and cardiovascular disease. studies in both human and animal models suggest that hepatic inflammation and insulin resistance are key initiating fact...
background: in 2-4% of couples in fertile ages, recurrent pregnancy loss (rpl) occurs which consisted one out of 300 pregnancies. the aim of this study was to comparison insulin resistance (ir) in patients with rpl to normal individuals. materials and methods: in a case-controlled, prospective study, 49 non-pregnant, non-diabetic women with early rpl as the case group and 49 non-pregnant, non-d...
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