期刊
ACS MEDICINAL CHEMISTRY LETTERS
卷 2, 期 1, 页码 53-57出版社
AMER CHEMICAL SOC
DOI: 10.1021/ml1002053
关键词
Neuropeptide FF receptors; kisspeptin; GPR54; NPFFR1; NPFFR2
资金
- Ministry of Education, Culture, Sports, Science, and Technology of Japan
- Program for Promotion of Basic Research Activities for Innovative Biosciences (PROBRAIN) of Japan
- JSPS
Kisspeptin is a member of the RFamide neuropeptide family that is implicated in gonadotropin secretion. Because kisspeptin-GPR54 signaling is implicated in the neuroendocrine regulation of reproduction, GPR54 ligands represent promising therapeutic agents against endocrine secretion disorders In the present study the selectivity profiles of GPR54 agonist peptides were investigated for several GPCRs, including RFamide receptors. Kisspeptin-10 exhibited potent binding and activation of neuropeptide FF receptors (NPFFR1 and NPFFR2). In contrast, short peptide agonists bound with much lower affinity to NPFFRs while show relatively high selectivity toward GPR54. The possible localization of secondary kisspeptin targets-was-also demonstrated by variation in the levels of GnRH release from the median eminence and the type of GPR54 agonists used Negligible of the reported NPFFR ligands to GPR54 was observed and indicates the unidirectional cross reactivity between both ligands.
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