Abstract
The present study was performed to investigate the effect of oltipraz on passive smoke-induced alteration in renal glyoxalase system of rats. Adult Sprague-Dawley rats were exposed daily to passive cigarette smoke in a whole-body exposure chamber 6 h per day for 2, 4 and 12 weeks. The animals being sacrificed after 2 and 12 weeks were maintained on control diet, powdered 4% Teklad rat chow (Harlan Teklad, Madison, WI, USA). The 4 weeks group was divided into three subgroups, one receiving control diet, other two receiving control diet supplemented with two doses of oltipraz (either 167 or 500 ppm), starting 1 week prior to initiation of smoke exposure until the end of the experiment. The activity of glyoxalase I was higher in animals exposed for 4 and 12 weeks of passive smoke than those exposed for 2 weeks. There was no significant difference between 4 and 12 weeks. Glyoxalase II activity was lower in animals exposed to passive smoke for 4 weeks than those exposed for 2 weeks. However, the activity approached the basal level after 12 weeks of exposure. Furthermore, oltipraz treatment maintained the activity of both glyoxalase closer to the basal levels.
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Biswas, S., Gairola, C.G. & Das, S.K. Oltipraz protects the passive smoke induced changes in renal glyoxalase system of rats. Mol Cell Biochem 233, 27–30 (2002). https://doi.org/10.1023/A:1015530130048
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DOI: https://doi.org/10.1023/A:1015530130048