نتایج جستجو برای: glucagon receptor antagonist
تعداد نتایج: 618773 فیلتر نتایج به سال:
To determine the influence of continuous hypoxia on body weight, food intake, hepatic glycogen, circulatory glucose, insulin, glucagon, leptin, and corticosterone, and the involvement of the corticotropin-releasing factor receptor type 1 (CRFR1) in modulation of these hormones, rats were exposed to a simulated altitude of 5 km (approximately 10.8% O2) in a hypobaric chamber for 1, 2, 5, 10, and...
In islets of Langerhans, L-glutamate is stored in glucagon-containing secretory granules of -cells and cosecreted with glucagon under low-glucose conditions. The L-glutamate triggers secretion of -aminobutyric acid (GABA) from -cells, which in turn inhibits glucagon secretion from -cells through the GABAA receptor. In the present study, we tested the working hypothesis that L-glutamate function...
In islets of Langerhans, L-glutamate is stored in glucagon-containing secretory granules of alpha-cells and cosecreted with glucagon under low-glucose conditions. The L-glutamate triggers secretion of gamma-aminobutyric acid (GABA) from beta-cells, which in turn inhibits glucagon secretion from alpha-cells through the GABAA receptor. In the present study, we tested the working hypothesis that L...
هدف از این پژوهش بررسی میزان متیلاسیون شماری از ژنهای مهم مرغ بود. بدین منظور 32 ژن از genbank انتخاب شد. پروموتورهای این ژنها با نرم افزار promoter prediction پیدا شدند. جزایر احتمالی موجود در هر توالی با نرم افزار cpg island searcher مشخص شدند. احتمال متیله شدن هر رشته dna یک ژن، با نرم افزار methylator و آنالیز متیلاسیون با نرم افزار epigraph انجام شد. در نهایت با استفاده از مدل مارکف پنهان،...
Glucagon, a major insulin counterregulatory hormone, binds to specific Gs protein-coupled receptors to activate glycogenolytic and gluconeogenic pathways, causing blood glucose levels to increase. Inappropriate increases in serum glucagon play a critical role in the development of insulin resistance and target organ damage in type 2 diabetes. We tested the hypotheses that: (1) glucagon induces ...
A novel class of antagonists of the human glucagon receptor (hGCGR) has been discovered. Systematic modification of the lead compound identified substituents that were essential for activity and those that were amenable to further optimization. This SAR exploration resulted in the synthesis of 13, which exhibited good potency as an hGCGR functional antagonist (IC50 = 34 nM) and moderate bioavai...
OBJECTIVE Insulin released by the beta-cell is thought to act locally to regulate glucagon secretion. The possibility that insulin might also act centrally to modulate islet glucagon secretion has received little attention. RESEARCH DESIGN AND METHODS Initially the counterregulatory response to identical hypoglycemia was compared during intravenous insulin and phloridzin infusion in awake chr...
Glucagon antagonism has been reported as a new therapeutic approach to hyperglycaemia. As the 14-3-3 protein YWHAB identified regulator of glucagon receptor (GCGR) by affinity purification and mass spectrometry, we examined role in vivo. Ywhab knockout mice display impaired blood glucose homeostasis only under pyruvate stimulation. Deletion mouse primary hepatocytes (MPHs) increases hepatocyte ...
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