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Effects of long term intravenous administration of ethanol on rat pancreas.

Abstract
Pancreatic exocrine function and morphologic changes were investigated in groups of rats receiving solutions of ethanol by oral or intravenous route, or equicaloric doses of glucose solution by intravenous route daily for a period of 4 weeks. Comparable degrees of exocrine dysfunction and morphologic changes in the pancreas at the ultrastructural level were observed in the groups given ethanol orally and in those receiving i.v. injections of ethanol, suggesting that neither intragastric ingestion nor high blood levels of alcohol is required for alcohol to exert its pancreatotoxic effects. All groups of rats receiving ethanol or glucose showed signs and pathologic findings of nutritional disorder, and at 4 weeks of treatment, electron microscopic abnormalities of the pancreas were more pronounced and higher in incidence in the groups given ethanol p.o. or i.v. than in the groups given i.v. doses of glucose. There was no microscopic evidence of protein plug or other changes in the region of origin of the pancreatic duct system in rats after 18 months of oral administration of ethanol. The present findings indicate that the cytotoxic effect of alcohol on acinar cells and nutritional disorder associated with alcohol ingestion constitute important factors in the pathogenesis of chronic alcoholic pancreatitis.
AuthorsS Matsuno, K Kano, K Miyagawa, H Yamauchi, T Sato
JournalThe Tohoku journal of experimental medicine (Tohoku J Exp Med) Vol. 141 Issue 1 Pg. 77-89 (Sep 1983) ISSN: 0040-8727 [Print] Japan
PMID6685360 (Publication Type: Journal Article)
Chemical References
  • Ethanol
Topics
  • Alcoholism (complications)
  • Animals
  • Ethanol (toxicity)
  • Humans
  • In Vitro Techniques
  • Male
  • Pancreas (drug effects, metabolism, ultrastructure)
  • Pancreatic Juice (drug effects)
  • Pancreatitis (etiology)
  • Rats
  • Rats, Inbred Strains
  • Time Factors

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