{"title":"VPAC receptors for VIP and PACAP.","authors":"M Laburthe, A Couvineau, J C Marie","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>VIP and PACAP are two prominent neuropeptides that share two common G protein-coupled receptors, VPAC1 and VPAC2, while PACAP has an additional specific receptor, PAC1. This article reviews the present knowledge regarding various aspects of VPAC receptors including: 1) receptor specificity toward natural VIP-related peptides and pharmacology of synthetic agonists or antagonists; 2) genomic organization and chromosomal localization; 3) signaling and established or putative interactions with G proteins or accessory proteins such as RAMPs or PDZ-containing proteins; 4) molecular basis of ligand-receptor interaction as determined by site-directed mutagenesis, construction of receptor chimeras, and structural modeling; 5) constitutively active receptor mutants; 6) short-term (desensitization, internalization, phosphorylation) and long-term (transcription) regulations and transgenic models; 7) receptor polymorphisms.</p>","PeriodicalId":20928,"journal":{"name":"Receptors & channels","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2002-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Receptors & channels","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
VIP and PACAP are two prominent neuropeptides that share two common G protein-coupled receptors, VPAC1 and VPAC2, while PACAP has an additional specific receptor, PAC1. This article reviews the present knowledge regarding various aspects of VPAC receptors including: 1) receptor specificity toward natural VIP-related peptides and pharmacology of synthetic agonists or antagonists; 2) genomic organization and chromosomal localization; 3) signaling and established or putative interactions with G proteins or accessory proteins such as RAMPs or PDZ-containing proteins; 4) molecular basis of ligand-receptor interaction as determined by site-directed mutagenesis, construction of receptor chimeras, and structural modeling; 5) constitutively active receptor mutants; 6) short-term (desensitization, internalization, phosphorylation) and long-term (transcription) regulations and transgenic models; 7) receptor polymorphisms.
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