Journal
CELL BIOCHEMISTRY AND FUNCTION
Volume 28, Issue 8, Pages 668-672Publisher
WILEY-BLACKWELL
DOI: 10.1002/cbf.1705
Keywords
antioxidant enzyme activities; carrageenan; glutathione level; pentoxyfilline
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The present study aimed to investigate the effects of pentoxifylline (PTX) on the carrageenan (CG)-induced paw oedema and on the endogenous levels of cell enzyme and non-enzyme antioxidants in rat liver, 4 and 24 h after CG injection. PTX (50 mg kg(-1), i.p.), administered 30 min before CG, decreased the paw oedema, 2-4 h after CG administration. The drug protected CG-induced decrease of glutathione (non-enzyme antioxidant) and had no effect on CG-unchanged activities of superoxide dismutase, glutathione peroxidase (enzyme antioxidants) and glucose-6-phosphate dehydrogenase (enzyme, important for the activity of GSH-conjugated antioxidant enzymes). The drug showed a good antioxidant capacity in chemical systems, generating reactive oxygen species. The present results suggest that the antioxidant activity of PTX might contribute to its beneficial effects in liver injuries. Copyright (C) 2010 John Wiley & Sons, Ltd.
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