Prostaglandins and Radiation Enteritis

Abstract

A series of experiments was done to test the proposition that radiation to the intestine induces prostaglandin production which turn enhances the radiation injury. The results did not support the hypothesis, in that, pharmacologic blockade of prostaglandins or pretreatment with systemic prostaglandins did not significantly alter mortality following abdominal radiation. Neither did prostaglandin manipulations alter hemopoietic suppression. Enteropolling was not induced by abdominal radiation. Systemic pretreatment with free radical inhibitors did not alter mortality following abdominal radiation. Intestinal mucosal integrity was found to be partially preserved by a variety of agents placed in the lumen prior to radiation of isolated intestinal segments. These included prostaglandin E2, cyclooxygenase inhibitors, and adrenal cortical steroids. Keywords: Radiation enteritis; Rat model.

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Document Details

Document Type
Technical Report
Publication Date
Dec 30, 1987
Accession Number
ADA199250

Entities

People

  • John P. Delaney

Organizations

  • University of Minnesota

Tags

Communities of Interest

  • Biomedical

DTIC Thesaurus Topics

  • Anti-Bacterial Agents
  • Anti-Inflammatory Agents
  • Blood
  • Bodily Secretions
  • Body Weight
  • Cell Physiological Processes
  • Cells
  • Chemistry
  • Enzyme Inhibitors
  • Fatty Acids
  • Free Radicals
  • Gastrointestinal Tract
  • Health Services
  • Intestines
  • Radiation Sickness
  • Small Intestine
  • X Rays

Fields of Study

  • Medicine

Readers

  • Cardiovascular Physiology
  • Immunology and Pathology
  • Spectroscopy.