نتایج جستجو برای: leptin resistance
تعداد نتایج: 391030 فیلتر نتایج به سال:
Background: Leptin is an adipocyte- derived hormone that plays an important role in the pathogenesis of obesity. Obesity is associated with insulin resistance and hyperinsulinemia. Insulin resistance is one of the factors which have been suggested to affect leptin serum levels. There are few studies evaluating the relation between leptin level and insulin resistance in childhood and adolescence...
THE CONCEPT OF LEPTIN RESISTANCE appeared in the literature almost as soon as the hormone itself was discovered. For purposes of our discussion, leptin resistance will be defined as, “reduced or absent responsiveness to the feeding and body weight inhibitory effects of the hormone in obese individuals in comparison with normal (lean) controls.” Two early reports, demonstrating significant corre...
Leptin is an important circulating signal for inhibiting food intake and body weight gain. In recent years, "leptin resistance" has been considered to be one of the main causes of obesity. However, the detailed mechanisms of leptin resistance are poorly understood. Increasing evidence has suggested that stress signals, which impair endoplasmic reticulum (ER) function, lead to an accumulation of...
Background: Regular exercise has been shown to improve diabetes-related biological markers. However, for some groups, exercises that require weight bearing are difficult. Therefore, the purpose of the present study was to compare the effect of eight weeks of aerobic aquatic and land exercise training on leptin, resistin, and insulin resistance in obese women. Materials and Methods: In the p...
Obesity is a resilient and complex chronic disease. One potential causative factor in the obesity syndrome is leptin resistance. Leptin behaves as a potent anorexic and energy-enhancing hormone in most young or lean animals, but its effects are diminished or lacking in the obese state associated with a normal genetic background. Emerging evidence suggests that leptin resistance predisposes the ...
objective(s):the aim of the study was to investigate the relationship between insulin resistance (ir) and leptin (lep) gene polymorphisms in peritoneal dialysis (pd) patients. materials and methods: from july 1, 2011 to august 1, 2011, patients who received chronic pd were chosen and divided into three groups (dm, high homr-ir, and low homr-ir). two pcr products of lep were sequenced and aligne...
Leptin-resistant rats have reduced leptin receptors and signaling and are refractory to exogenous leptin. However, it is unclear how leptin-mediated hypothalamic signal transducer and activator of transcription 3 (STAT3) signaling relates to the loss of physiological responsiveness. We hypothesized that if leptin resistance is associated with leptin receptors that are no longer functionally cou...
Obesity is a resilient and complex chronic disease. One potential causative factor in the obesity syndrome is leptin resistance. Leptin behaves as a potent anorexic and energy-enhancing hormone in most young or lean animals, but its effects are diminished or lacking in the obese state associated with a normal genetic background. Emerging evidence suggests that leptin resistance predisposes the ...
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