Enterostatin
Enterostatin is a pentapeptide derived from a proenzyme in the gastrointestinal tract called procolipase. It reduces food intake, in particular fat intake, when given peripherally or into the brain. Chemical structure Enterostatin has the sequence Val-Pro-Asp-Pro-Arg in most mammals, but Val-Pro-Gly-Pro-Arg or Val-Pro-Asp-Pro-Arg in rodents and Ala-Pro-Gly-Pro-Arg in humans. The sequence that it necessary for its anorexic effects is X-pro-Y-pro-arg and conserved among several vertebrate species. Function Enterostatin has been detected in gut endocrine cells. It is created in the intestine by pancreatic procolipase, the other colipase serving as an obligatory cofactor for pancreatic lipase during fat digestion. Enterostatin can be created in the gastric mucosa and the mucosal epithelia in the small intestine. A high fat diet will cause the procolipase gene transcription and enterostatin to release into the gastrointestinal lumen. Enterostatin appears in the lymph and circulat ...
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