Abstract
Somatostatin, secretin, and glucagon have been shown to inhibit gastric acid secretionin vivo and thus have been postulated to act directly on the parietal cell. To test the hypothesis that these peptides directly influence the acid secretory cells, we studied the effect of the three gastrointestinal hormones using aminopyrine uptake as an index of acid production. The parietal cells were stimulated to increase aminopyrine uptake by submaximal concentrations of histamine (10−6 mol/l), methacholine (10−6 mol/l), and pentagastrin (10−6 mol/l), but in no concentrations did these gastrointestinal hormones affect any of the secretagogues' response. Our data suggest that gastrointestinal peptides do not modulate acid secretion at the parietal cell level.
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This work was supported by a grant from the Public Health Service HL 21308. Dr Gerber is an Established Investigator of the American Heart Association.
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Perez-Reyes, E., Payne, N.A. & Gerber, J.G. Effect of somatostatin, secretin, and glucagon on secretagogue stimulated aminopyrine uptake in isolated canine parietal cells. Agents and Actions 13, 265–268 (1983). https://doi.org/10.1007/BF01971476
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DOI: https://doi.org/10.1007/BF01971476