Secretin potentiates, caffeine does not affect caerulein--stimulated pancreatic enzyme depletion and growth in newborn rats.

Abstract:

:We studied the effect of two peptides, the intracellular Ca2(+)-mobilizing caerulein and the cAMP-mediated secretin, and also the phosphodiesterase inhibitor caffeine on pancreatic secretion and growth in newborn rats. To investigate the secretory response of these substances, and to construct dose-response curves 10-day-old conscious rats were given subcutaneously a single injection of caerulein, secretin, caffeine or the combination of these compounds (caerulein + secretin, caerulein + caffeine). Fifteen min after the injection pancreatic specific trypsin activities were measured in order to estimate depletion of enzymes from the pancreas. To study the pancreatic growth--promoting effect of these substances, newborn rats were treated three times daily for 10 days from the day of birth, using the same experimental groups as described above. Caerulein stimulated both enzyme depletion and pancreatic growth. Secretin stimulated enzyme depletion and increased the trophic effects of caerulein on the pancreas. Caffeine alone or in combination with caerulein did not affect pancreatic enzyme depletion and growth.

journal_name

Z Gastroenterol

authors

Papp M,Ammann RW,Dobronyl I,Varga G

subject

Has Abstract

pub_date

1990-04-01 00:00:00

pages

188-91

issue

4

eissn

0044-2771

issn

1439-7803

journal_volume

28

pub_type

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