نتایج جستجو برای: lepr gene
تعداد نتایج: 1141657 فیلتر نتایج به سال:
We recently reported that a genomic region close to the leptin locus was linked to fasting insulin response to exercise training in nondiabetic white subjects. We tested the hypothesis that common exonic variants in the leptin (LEP) and leptin receptor (LEPR) genes modify the effects of regular physical activity on glucose homeostasis in nondiabetic whites (n = 397) and blacks (n = 143). In whi...
We have previously shown that 90% of outbred obese Zucker Lepr(fa/fa) rats die prematurely of renal disease. Thus, renal disease in obese Zucker Lepr(fa/fa) rats may be caused by the LEPR mutation on chromosome 5, by the obesity, or it may be influenced by Zucker susceptibility alleles of genes on other chromosomes. We have searched for susceptibility genes on other chromosomes using urinary al...
The total pancreatic beta cell mass is reduced in individuals with type 2 diabetes. We analyzed the islets of leptin receptor-deficient (Lepr-/-) mice, a model animal for type 2 diabetes with obesity. The plasma insulin levels in Lepr-/- mice peaked at approximately 7 weeks, an age at which the animals manifest normoglycemia to moderate hyperglycemia. Consistent with this, the beta cell mass wa...
لپتین (lep) اساساً توسط بافت چربی تولید می شود و نقش حیاتی در تنظیم وزن بدن از طریق کاهش مصرف خوراک و تحریک هزینه انرژی ایفا می کند. فعالیّت فیزولوژیکی هورمون لپتین از طریق گیرنده لپتین (lepr) اعمال می شود. لپتین در بسیاری از اعمال فیزیولوژیکی بدن مانند رشد جنین، پاسخ های ایمنی یا پیش التهابی، بسیاری از واکنش های محور هیپوتالاموس- هیپوفیز- آدرنال و هیپوتالاموس- هیپوفیز- گنادها، جذب مواد مغذی در ر...
Whole-genome sequencing provides a powerful tool to obtain more genetic variability that could produce a range of benefits for cattle breeding industry. Nanyang (Bos indicus) and Qinchuan (Bos taurus) are two important Chinese indigenous cattle breeds with distinct phenotypes. To identify the genetic characteristics responsible for variation in phenotypes between the two breeds, in the present ...
Therapies that improve leptin sensitivity have potential as an alternative treatment approach against obesity and related comorbidities. We investigated the effects of Socs3 gene ablation in different mouse models to understand the role of SOCS3 in the regulation of leptin sensitivity, diet-induced obesity (DIO) and glucose homeostasis. Neuronal deletion of SOCS3 partially prevented DIO and imp...
Chronic nonhealing wounds, such as venous ulcers (VUs), are a widespread and serious medical problem with high morbidity and mortality. The molecular pathology of VUs remains poorly understood, impeding the development of effective treatment strategies. Using mRNA expression profiling of VUs biopsies and computational analysis, we identified a candidate set of microRNAs with lowered target gene...
Ovarian cancer is a leading cause of cancer mortality in women world-wide. Considerable progress has been made to characterize the different subtypes of ovarian cancer, but specific therapies remain limited and prognosis poor. Cytokine signaling via the interleukin-6 receptor (IL-6R) family and related receptors has been implicated in a number of cancers, including those with an ovarian origin....
Leptin, a protein hormone secreted by adipose tissue, plays an important role in regulating energy metabolism and the immune response. Despite similar extremes of adiposity, mutant mouse models, db/db, carrying spontaneous deletion of the active form of the leptin receptor (LEPR-B) intracellular signaling domain, and the s/s, carrying a specific point mutation leading to a dysfunctional LEPR-B-...
To investigate the underlying mechanisms for leptin receptor (LEPR)-mediated regulation of leptin gene (Lep) expression in brown (BAT) and white (WAT) adipose tissue and resultant effects on plasma leptin concentrations (plasma-LEP), we examined effects of sympathetic nervous system (SNS) activity, caloric balance, and body fat content on leptin mRNA levels in BAT and WAT in 10-day-old rat pups...
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