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Am J Physiol Gastrointest Liver Physiol 236: G571-G576, 1979;
0193-1857/79 $5.00
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AJP: Gastrointestinal and Liver Physiology, Vol 236, Issue 5, G571-G576
Copyright © 1979 by American Physiological Society

ARTICLES

Actions of peptides isolated from amphibian skin on amylase release from dispersed pancreatic acini

ER Uhlemann, AJ Rottman, and JD Gardner

In dispersed acini prepared from guinea pig pancreas, peptides isolated from amphibian skin (caerulein, bombesin, litorin, and physalaemin) as well as eledoisin, a peptide isolated from the posterior salivary gland of a Mediterranean octopod, caused a significant increase in amylase release. Each amphibian peptide potentiated the stimulation of amylase release caused by vasoactive intestinal peptide or secretin in that the increase in amylase release caused by an amphibian peptide plus vasoactive intestinal peptide or secretin was significantly greater than the sum of the increase caused by each secretagogue acting alone. Potentiation of amylase secretion did not occur with an amphibian peptide plus cholecystokinin or carbachol.




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