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  • Title: Effect of antisomatostatin gamma-globulin on gastrin release in rats.
    Author: Chiba T, Kadowaki S, Taminato T, Chihara K, Seino Y, Matsukura S, Fujita T.
    Journal: Gastroenterology; 1981 Aug; 81(2):321-6. PubMed ID: 6165645.
    Abstract:
    In order to determine the mechanism of endogenous gastric somatostatin in the regulation of gastrin release, antisomatostatin rabbit gamma-globulin was administered in vivo and in vitro in the rat. First, in rats anesthetized by chloral hydrate, intravenous injection of 1 ml antisomatostatin rabbit gamma-globulin had no significant effect on plasma gastrin levels. Second, basal gastrin release from the isolated perfused rat stomach was not affected by the administration of antisomatostatin rabbit gamma-globulin (1:99 and 1:1 dilutions). Third, the addition of antisomatostatin rabbit gamma-globulin (1:99) to incubated rat antral mucosa, however, significantly increased the basal gastrin release. From these results, it is concluded that antral somatostatin exerts its inhibitory effect on basal gastrin release mainly not through the circulation but via paracrine pathways.
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