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Effects of atropine upon various components mediating postprandial gastric acid secretion in dogs

RG Pendleton, RJ Bendesky and PG Cook

Dose-response curves in chronic gastric fistula dogs were first obtained to chemical stimulants of the three accepted physiological excitatory components regulating postprandial gastric acid secretion. These were: 2-deoxy-D-glucose, a central vagal stimulant; gastrin, a hormone; and histamine, a paracrine factor. Using equiactive doses of each, a dose of atropine just maximal for suppressing all of the anatomical phases of food-induced acid secretion in vagally innervated pouch dogs was found to inhibit substantially the responses to all three of the above stimulants. The above results argue in favor of an interdependent model among the above factors for regulating postprandial gastric acid secretion in the dog.

Volume 240, Issue 2, pp. 396-399, 02/01/1987
Copyright © 1987 by American Society for Pharmacology and Experimental Therapeutics






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Copyright © 1987 by the American Society for Pharmacology and Experimental Therapeutics.