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Free Radic Biol Med. 1988;5(2):113-24.

Free radicals and diabetes.

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1
Radiation Research Laboratory, Department of Radiology, University of Iowa, Iowa City 52242.

Abstract

The role of active oxygen species in diabetes is discussed in this review. Type I diabetes is caused by destruction of the pancreatic beta cells responsible for producing insulin. In humans, the diabetogenic process appears to be caused by immune destruction of the beta cells; part of this process is apparently mediated by white cell production of active oxygen species. Diabetes can be produced in animals by the drugs alloxan and streptozotocin; the mechanism of action of these two drugs is different, but both result in the production of active oxygen species. Scavengers of oxygen radicals are effective in preventing diabetes in these animal models. Not only are oxygen radicals involved in the cause of diabetes, they also appear to play a role in some of the complications seen in long-term treatment of diabetes. Changes in antioxidants in the diabetic state and their consequences are discussed.

PMID:
3075947
[Indexed for MEDLINE]

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