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GAST - gastrin
Entrez Gene Name: gastrin
Synonyms: G-GLY, GAS, GAST, GASTRIN, Gastrin-17, PPG34

Gene Summary

  • Human (2520): Gastrin is a hormone whose main function is to stimulate secretion of hydrochloric acid by the gastric mucosa, which results in gastrin formation inhibition. This hormone also acts as a mitogenic factor for gastrointestinal epithelial cells. Gastrin has two biologically active peptide forms, G34 and G17. [provided by RefSeq]
  • Rat (25320): increases gastric mucosal integrity through induction of COX-2 expression [RGD]

Cell Regulation

Regulates:
  • HDC
  • STAT3
  • SRC
View all 125 in IPA
Regulated by:
  • EGF
  • SST
  • GRP
View all 47 in IPA
Binds:
  • CCKBR
  • IRS1
  • MEP1B
View all 6 in IPA
Role in cell:
  • proliferation
  • migration
  • growth
View all 11 in IPA
Disease:
  • metaplasia
  • pancreatic cancer
  • pancreatic neoplasm
View all 5 in IPA

Biological Process

G-protein coupled receptor protein signaling pathway, signal transduction

Cellular Components

extracellular region

Literature References

  • 17671195Rengifo-Cam W, Umar S, Sarkar S, Singh P. Antiapoptotic Effects of Progastrin on Pancreatic Cancer Cells Are Mediated by Sustained Activation of Nuclear Factor-{kappa}B.Cancer Res 2007 Aug 01;67(15):7266-74
  • 15805277Ferrand A, Bertrand C, Portolan G, Cui G, Carlson J, Pradayrol L, Fourmy D, Dufresne M, Wang TC, Seva C. Signaling pathways associated with colonic mucosa hyperproliferation in mice overexpressing gastrin precursors.Cancer Res 2005 Apr 01;65(7):2770-7
  • 15292219Lei S, Dubeykovskiy A, Chakladar A, Wojtukiewicz L, Wang TC. The murine gastrin promoter is synergistically activated by transforming growth factor-beta/Smad and Wnt signaling pathways.J Biol Chem 2004 Oct 08;279(41):42492-502
  • View 658 categorized literature findings and their references in IPA

Molecular Functions

hormone activity, protein binding

Protein Domains

hormone, protein binding

Subcellular Locations

axons, extracellular space, nerve ending, perinuclear region, plasma membrane