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Tetragastrin

CAS No. : 1947-37-1

MCE 国际站：Tetragastrin

产品活性：Tetragastrin (Cholecystokinin tetrapeptide; CCK-4) 是胃泌素的 C-末端四肽，能刺激胃液分泌。Tetragastrin 是一种胆囊收缩素 (CCK-4) 受体激动剂。Tetragastrin 具有胃黏膜保护。

研究领域：GPCR/G Protein  |  Neuronal Signaling

作用靶点：Cholecystokinin Receptor

In Vitro: The antagonist of histamine H2-receptors, Cimetidine inhibits the stimulatory effect of histamine in vitro and activates Tetragastrin stimulation of the adenylate cyclase activity. Tetragastrin and histamine activate adenylate cyclase of the rat gastric mucosa via different receptors.

In Vivo: In inbred Wistar rats treated with N-methyl-N'-nitro-N-nitrosoguanidine, Tetragastrin (s.c.; 1 mg/kg; every other day) treatment significantly reduces the incidence and the number of adenocarcinomas, and has a significantly lower labelling index of the antral mucosa.
Tetragastrin has potential for enhancing gastric mucosal protection associated with mucus secretion and/or mucus synthesis on the surface mucosa of rat gastric mucosa. A significant increase in the mucin content was noted in the mucus gel and surface mucosal layer. An increase in mucin in the mucus gel and surface mucosa would thus appear due to the administration of Tetragastrin.

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