#progastrin

Progastrin

Progastrin is an 80-amino acid intracellular protein and the precursor of gastrin, a gastrointestinal hormone produced by G cells in the gastric antrum. The main function of gastrin is to regulate acid secretion. During digestion, only gastrin is released into the bloodstream and stimulates the secretion of hydrochloric acid in the stomach as well as pancreatic digestive enzymes. In humans, progastrin is encoded by the GAST gene. Progastrin is expressed primarily in stomach tissue.

Sun 3rd

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