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J Pharmacol Exp Ther. 1995 Jul;274(1):475-80.

Antibodies to intercellular adhesion molecule-1 ameliorate the inflammatory response in acetic acid-induced inflammatory bowel disease.

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Department of Cell Biology, University of Medicine and Dentistry New Jersey, Stratford, USA.


The transendothelial migration of leukocytes in many inflammatory responses is now believed to be dependent on the interaction of leukocyte and endothelial cell-derived adhesion molecules. To examine the role of intercellular adhesion molecule-1 (ICAM-1) in the development of inflammation in a rat model of colitis, we investigated the effects of antibodies to rat ICAM-1 given 24 hrs after inflammation was induced by acetic acid. Antibodies to rat ICAM-1 substantially ameliorated the inflammatory response as indicated by a reduction in gross inflammatory characteristics, tissue/body weight ratio, myeloperoxidase activity and superoxide levels. The results demonstrate that ICAM-1 plays an important role in the development of inflammatory bowel disease in rats. The use of antibodies to ICAM-1 to inhibit the adherence of leukocytes to endothelium, may be of potential therapeutic value in the treatment of inflammatory bowel disease in man.

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