نتایج جستجو برای: agouti related peptide
تعداد نتایج: 1308115 فیلتر نتایج به سال:
Loss of Agouti-Related Peptide Does Not Significantly Impact the Phenotype of Murine POMC Deficiency
Background and Objective: Agouti related protein (AGRP) is an orexigenic peptide and found to be secreted from hypothalamic arcuate nucleus (ARC) and has important role in appetite and food intake. It has been shown that AGRP has an important role in weight control and plasma levels of this peptide increases in fatness and starvation. The aim of this study was studding the effect of 8 weeks of ...
Background and Objective: Agouti-related protein (AGRP) is an orexigenic peptide and found to be secreted from hypothalamic arcuate nucleus (ARC) and has important role in appetite and food intake. It has been shown that AGRP has an important role in weight control and plasma levels of this peptide increases in fatness and starvation. The aim of this study was to study the effect of 8-weeks cir...
Cerulenin and a related compound, C75, have recently been reported to reduce food intake and body weight independent of leptin through a mechanism hypothesized, like leptin, to involve hypothalamic nutrition-sensitive neurons. To assess whether these inhibitors act through mechanisms similar to mechanisms engaged by leptin, ob/ob and Ay (agouti) mice, as well as fed and fasted wild-type mice, w...
Agouti-related protein (AGRP) is a homolog of the agouti protein and acts as an antagonist of peptides derived from propiomelanocortin through melanocortin receptors. This peptide is produced mainly in the hypothalamus, particularly during negative energy balance and influences increased food intake. In the hypothalamus, this peptide is co-expressed in arcuate nuclei with neuropeptide Y, anothe...
Melanocortin- 4 receptor (MC4R) and agouti- related peptide (AgRP) are involved in energy homeostasis in rats. According to MC4R and AgRP effects on luteinizing hormone (LH) secretion, they may influence the estrous cycle of rats. Therefore, the aim of this study was to investigate the expression of MC4R and AgRP mRNAs at different stages of estrous cycle in the rat’s hypothalamus. The estrous ...
Introduction: Gonadotropin inhibitory hormone (GnIH) and Agouti-related peptide (AgRP) are orexigenic peptides expressed in the arcuate nucleus (Arc) of the hypothalamus in the ewe. In addition, effects of GnIH and AgRP on the regulation of gonadotropin releasing hormone secretion have been shown in some mammals. The objective of the present study was to investigate the coexpression of GnIH ...
Ghrelin, the endogenous ligand of the GH secretagogue receptor, acts at central level to elicit GH release and regulate food intake. To elucidate the neural circuit that exerts its effects, we measured the expression of hypothalamic neuropeptides involved in weight regulation and GH secretion after ghrelin administration. Adult male rats, fed or fasted for 72 h, were treated centrally (intracer...
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