GAST, Official Symbol GASTprovided by HGNC Official Full Name gastrinprovided by HGNC Primary source HGNC:HGNC:4164 See related Ensembl:ENSG00000184502 MIM:137250; AllianceGenome:HGNC:4164 Gene type protein coding RefSeq status REVIEWED Organism Homo sapiens Lineage Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo Also known as GAS Summary 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, Jul 2008] Expression Restricted expression toward stomach (RPKM 4383.1) See more Orthologs mouse all