| Message: | 1.Glucagon like peptide -1 (GLP-1) is a brain gut peptides secretion ileal endocrine cells, at present mainly as a target for type 2 diabetes drug action. Because GLP-1 can reduce the inhibition of gastric emptying, intestinal peristalsis, thus helps to control food intake, weight loss. Prospective placebo in 19 cases of obese patients in control, random, double-blind, crossover trial, GLP-1 subcutaneous injection can increase the patients with postprandial satiety, and make each meal diet weight average reduction of 15%. But because GLP-1 is a polypeptide, cannot be administered orally is a major shortcoming.
2.GLP-1 consists of proglucagon gene expression in pancreatic alpha cells, the main product, expression of proglucagon gene is glucagon, and in the intestinal mucosa of L cells, prohormone converting enzyme (PC1) the proglucagon peptide sequence in the carboxyl end shear, i.e. GLP-1. GLP-1 has 2 kinds of biological active forms, respectively GLP-1 (7-37) and GLP-1 (7-36) amide, both of which only one amino acid sequences different, cyclic activated about 80% GLP-1 from the GLP-1 (7-36 [1,2]) |
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