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Effect of cytochalasin D on secretion by rat pancreatic acini
Authors:S M John  P C Rathke  H F Kern
Abstract:Using the model of isolated acini the effect of cytochalasin D (CD) on rat pancreatic secretion in vitro was studied. The influence of CD (0.01-10 micrograms/ml = 0.02-19.7 microM) on amylase secretion and 3H-pulse-labelled protein release was measured under two sets of conditions: (a) basal, and (b) stimulated by 77pM caerulein. Basal secretion was not altered, but stimulated secretion of amylase and 3H-labelled proteins were similarly inhibited by up to 45%. It is concluded that CD affects only exocytosis of zymogen granules and not intracellular transport.
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