Biomedical subjects
Publications and source records attributed to D W PIPER.
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This study reports the electrophoretic pattern of the proteins in human gastric juice of control patients and patients with gastric ulcer and gastric carcinoma. Autodigestion was prevented by intragastric neutralization. The statistical limits of normal are defined and the changes found in the gastric juice of gastric ulcer and gastric patients with gastric carcinoma described.
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The effect of anticholinergic agents-atropine, propantheline, oxyphencyclimine, and propionyl atropine methyl nitrate-on silva flow and on hypoglycaemic stimulated gastric secretion has been studied. The acid secretion of the nervous phase of gastric secretion was inhibited by anticholinergic drugs. They influenced gastric secretion to a greater extent than saliva flow. Both propantheline and oxyphencyclimine have a selective action on the stomach superior to atropine. Propionyl atropine methyl nitrate appears to have only weak anticholinergic activity in the dose recommended and is not superior to atropine.
Increasing suppression of gastric secretion by anticholinergic drugs is accompanied by a rising mucus concentration; the actual output of mucus shows little change despite a marked reduction in the secretory volume. The problems involved in the estimation of mucus secretion and the importance of the above findings in relation to the therapeutic use of anticholinergic drugs in peptic ulceration are discussed.
The electrophoretic pattern of normal human gastric juice is described. The effect of autodigestion of gastric juice and of the peptic digestion of albumin is described. The fallacies involved in the study of gastric juice proteins where peptic digestion of the protein constituent has not been prevented are emphasized. In this study the gastric juice was neutralized within the stomach to prevent changes due to autodigestion.
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