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Biochem Biophys Res Commun. 1995 Apr 17;209(2):385-92.

Cloning and functional characterization of the human vasoactive intestinal peptide (VIP)-2 receptor.

Author information

1
Department of Molecular Genetics, SmithKline Beecham Pharmaceuticals, King of Prussia, PA 19406, USA.

Abstract

A full-length clone encoding the human VIP-2 receptor was isolated from a human placenta cDNA library. The 1317-bp cDNA insert encodes a protein of 438 amino acids which is a member of the seven transmembrane domain G-protein-coupled receptor superfamily. Expression of the human VIP-2 receptor in COS-7 cells confered high affinity binding to [125I] VIP (IC50 = 0.93 nM), which was displaced by unlabeled PACAP-38 (IC50 = 6.2 nM). VIP and PACAP-38 were equipotent in stimulating accumulation of cAMP in COS-7 cells transfected with the human VIP-2 receptor. Northern blot analysis revealed two VIP-2 receptor mRNAs of 4.6 kb and 2.3 kb in size which were expressed predominantly in the human skeletal muscle and to a lesser extent in the human brain, heart, pancreas and placenta.

PMID:
7733904
DOI:
10.1006/bbrc.1995.1515
[Indexed for MEDLINE]

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