Gastric inhibitory polypeptide receptor
The gastric inhibitory polypeptide receptor (GIP-R) also known as the glucose-dependent insulinotropic polypeptide receptor is a protein that in humans is encoded by the GIPR gene.[5][6] The GIP-R is seven-transmembrane proteins found on beta-cells in the pancreas.[7][8]
Function
Gastric inhibitory polypeptide (GIP), also called glucose-dependent insulinotropic polypeptide, is a 42-amino acid polypeptide synthesized by K cells of the duodenum and small intestine. It was originally identified as an activity in gut extracts that inhibited gastric acid secretion and gastrin release, but subsequently was demonstrated to stimulate insulin release potently in the presence of elevated glucose. The insulinotropic effect on pancreatic islet beta-cells was then recognized to be the principal physiologic action of GIP. Together with glucagon-like peptide-1, GIP is largely responsible for the secretion of insulin after eating. It is involved in several other facets of the anabolic response.[5]
References
- ^ a b c GRCh38: Ensembl release 89: ENSG00000010310 – Ensembl, May 2017
- ^ a b c GRCm38: Ensembl release 89: ENSMUSG00000030406 – Ensembl, May 2017
- ^ "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
- ^ "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
- ^ a b "Entrez Gene: gastric inhibitory polypeptide receptor".
- ^ Stoffel M, Fernald AA, Le Beau MM, Bell GI (August 1995). "Assignment of the gastric inhibitory polypeptide receptor gene (GIPR) to chromosome bands 19q13.2-q13.3 by fluorescence in situ hybridization". Genomics. 28 (3): 607–609. doi:10.1006/geno.1995.1203. PMID 7490109.
- ^ "Gastrointestinal Hormones and Peptides". Retrieved 2007-08-24.
- ^ Brubaker PL, Drucker DJ (2002). "Structure-function of the glucagon receptor family of G protein-coupled receptors: the glucagon, GIP, GLP-1, and GLP-2 receptors". Recept. Channels. 8 (3–4): 179–188. doi:10.1080/10606820213687. PMID 12529935.
Further reading
External links
- "Glucagon Receptor Family: GIP". IUPHAR Database of Receptors and Ion Channels. International Union of Basic and Clinical Pharmacology.
- gastric+inhibitory+polypeptide+receptor at the U.S. National Library of Medicine Medical Subject Headings (MeSH)
This article incorporates text from the United States National Library of Medicine, which is in the public domain.