نتایج جستجو برای: apelin receptor
تعداد نتایج: 591176 فیلتر نتایج به سال:
AIMS To investigate apelin-APJ (angiotensin receptor-like 1) signalling in vascular remodelling, we have examined the pathophysiological response to carotid ligation in apelin knockout mice. METHODS AND RESULTS Apelin null animals compared with wild-type mice had significantly decreased neointimal lesion area (1.17 +/- 0.17 vs. 3.33 +/- 1.04 x 10(4) microm(2), P < 0.05) and intima/media ratio...
The apelin and angiotensin family of peptides have a wide range of related physiological and pathophysiological effects on the heart and vasculature. Apelin is synthesized as a precursor 77 amino acid pre-pro-peptide and is subsequently processed into a family of apelin peptides, with pyrapelin 13 and apelin 17 being the dominant apelin peptides found in vivo. Apelin acts on the apelin receptor...
objective(s)apelin is novel adipokine acting on apj receptor, regulated by insulin and tumor necrosis factor-alpha (tnf-alpha). plasma apelin levels are increased in obese subjects. the aim of this study was to investigate whether or not the aerobic exercise modifies the elevated plasma apelin levels in obese women.materials and methodstwenty obese women (bmi 32.2 ± 6.4 kg/m2) were selected by ...
Apelin and its G protein-coupled receptor (GPCR) have emerged as a key signalling pathway in the cardiovascular system. The peptide is a potent inotropic agent and vasodilator. Remarkably, a peptide, Elabela/Toddler, that has little sequence similarity to apelin, has been proposed as a second endogenous apelin receptor ligand and is encoded by a gene from a region of the genome previously class...
KEY POINTS Dysfunctions in CNS regulation of arterial blood pressure lead to an increase in sympathetic nerve activity that participates in the pathogenesis of hypertension. The apelin-apelin receptor system affects arterial blood pressure homeostasis; however, the central mechanisms underlying apelin-mediated changes in sympathetic nerve activity and blood pressure have not been clarified. We ...
Apelin is known to stimulate cholecystokinin (CCK) and inhibit insulin release, however the mechanisms on pancreatic secretion remain unclear. The present study aimed to determine the expression of apelin and apelin receptor in the pancreas by immunofluorescence studies and the effect of exogenous apelin on the secretion of pancreatic juice in anesthetized rats. Pancreatic-biliary juice (P-BJ) ...
Apelin, a new bioactive peptide, was identified as an endogenous ligand for APJ (Angiotensin II receptor-like 1). Apelin and its receptor have an abundant distribution in central nervous system and peripheral tissues, including liver. Apelin/APJ has diverse physiological and pathological effects, including regulation of cardiovascular function, angiogenesis, fluid homeostasis and so on. Apelin/...
Apelin is a bioactive peptide recently identified as the endogenous ligand of the human orphan G protein-coupled receptor APJ. The presence of apelin-immunoreactive nerve fibers, together with the detection of apelin receptor mRNA in the parvocellular part of the paraventricular nucleus and the stimulatory action of apelin on corticotropin-releasing hormone release, indicate that apelin modulat...
Apelin, an endogenous ligand for APJ receptor, has been reported to be upregulated in paraventricular nucleus (PVN) following stress. Central apelin is known to stimulate release of corticotropin-releasing factor (CRF) via APJ receptor. We tested the hypothesis that stress-induced gastrointestinal (GI) dysfunction is mediated by central apelin. We also assessed the effect of exogenous apelin on...
The peptide apelin has been located in a wide range of tissues, including the gastrointestinal tract, stomach and adipose tissue. Apelin and its receptor has also been detected in the arcuate and paraventricular nuclei of the hypothalamus, which are involved in the control of feeding behaviour and energy expenditure. This distribution suggests apelin may play a role in energy homeostasis, but p...
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