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Apelin, as the endogenous ligand of the APJ receptor, is a novel identified neuropeptide whose biological functions are not fully understood. APJ receptor mRNA was found in several brain regions related to descending control system of pain, such as amygdala, hypothalamus and dorsal raphe nucleus (DRN). The present study was designed to determine whether(More)
Apelin, the novel identified peptide, is the endogenous ligand for the APJ. Previous studies have reported the effect of apelin on food intake, however the action of acute central injected apelin on food intake in mice remains unknown. The present study was designed to investigate the mechanism as well as the effect of central apelin-13 on food intake in(More)
alpha-MSH is an anti-inflammatory peptide which signals by binding to the melanocortin-1 receptor (MC1R) and elevating cyclic AMP in several different cells and tissues. The carboxyl terminal peptides of alpha-MSH (KPV/GKPV) are the smallest minimal sequences that prevent inflammation, but it is not known if they operate via MC1R or cyclic AMP. The aim of(More)
Apelin was first identified and characterized from bovine stomach extracts as an endogenous ligand for the APJ receptor. Apelin/APJ system is abundantly present in peripheral tissues and central nervous system. Apelin plays a broad role in regulating physiological and pathological functions. Recently, many reports have showed the effects of apelin on(More)
Apelin, a novel bioactive peptide highly concentrated in the brain, is identified as the endogenous ligand for angiotensin-like 1 receptor (APJ). The present study was designed to investigate the effect of apelin-13 on emotion-related behavior using the forced swimming test (FST) and tail suspension test (TST). Intracerebroventricular (i.c.v.)(More)
Apelin, as the endogenous ligand for the APJ, regulates many biological functions, including blood pressure, neuroendocrine, drinking behavior, food intake and colonic motility. The present study was designed to investigate the effect of central apelin-13 on gastric emptying and gastrointestinal transit in mice. Intracerebroventricular (i.c.v.) injection of(More)
Apelin is a novel bioactive peptide as the endogenous ligand for the orphan G-protein-coupled receptor (GPCR), APJ, a receptor distributed in various tissues such as the hypothalamus and the gastrointestinal tract. Recent reports showed that apelin regulated many biological functions, including blood pressure, neuroendocrine, drinking behavior and food(More)
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