Abstract
Chlorpyrifos (CPF) is one of the most widely used organophosphorus, which has spurred renewed interest. This study was conducted to investigate the protective effect of ziziphora tenuior extract against CPF-induced liver and lung toxicity. This study conducted 8-week rat sub-chronic toxicity study and then the effect of ziziphora tenuior extract in 3 different doses (40, 80, 160 mg/kg) was determined. We administrated maximum tolerated dose of CPF (6.75 mg/kg) by gavage for 8 weeks (5 times in week) to male rats. Rats were sacrificed 24 h after last dose and the biochemical analysis, which confirms involvement of oxidative stress in the pathogenesis of CPF toxicity in liver including increased in lipid peroxidation, protein carbonyl content, and ROS formation, glutathione depletion, decreased of antioxidant effect via frap oxidation and cytochrome c expulsion. In addition, pathological lesions confirm the dysfunction of the organs (liver and lung). In addition, using of ziziphora extract as an antioxidant is resulted in amelioration of oxidative stress marker in liver and lung damage. In conclusion, the current study revealed that CPF toxicity is related to oxidative stress and induction of cell death signaling and cotreatment with ziziphora extract is recommended in the routine therapy for the protection against CPF induced liver and lung tissue damage.
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