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Allopurinol-induced nephrotoxicity: protection by the antioxidant, butylated hydroxytoluene.

Authors
  • Ansari, N H
  • Rajaraman, S
Type
Published Article
Journal
Research communications in chemical pathology and pharmacology
Publication Date
Feb 01, 1992
Volume
75
Issue
2
Pages
221–229
Identifiers
PMID: 1570405
Source
Medline
License
Unknown

Abstract

The present study was conducted to provide morphological evidence for allopurinol-induced nephrotoxicity in rats and its prevention by the antioxidant butylated hydroxytoluene (BHT). The kidneys of male Sprague Dawley rats fed a diet containing 0.3% allopurinol for 25 days exhibited a marked increase in the weight (2.5 times) as compared to the controls (without allopurinol). Upon microscopic examination, extensive tubulo-interstitial injury leading to structural damage was observed. Feeding BHT (0.4%) along with 0.3% allopurinol brought about a remarkable amelioration of the nephrotoxicity. The results indicate that usage of BHT along with the antiurecemic drug, allopurinol, may be helpful in improving the allopurinol-induced nephrotoxicity observed in some gout patients.

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