Abstract
Objective: This study aimed to evaluate the possible effects of chlorpyrifos on the rat hippocampus and evaluate whether these effects can be decreased with chrysin co-administration in an animal model.
Methods: Male Wistar rats were randomly divided into 5 groups; Control (C), Chlorpyrifos (CPF), Chlorpyrifos + Chrysin (12.5 mg/kg) (CPF + CH1), Chlorpyrifos + Chrysin (25 mg/kg) (CPF + CH2), Chlorpyrifos + Chrysin (50 mg/kg) (CPF + CH3). After 45 days, hippocampus tissues were evaluated by biochemical and histopathological tests.
Results: Biochemical findings indicated that CPF and CPF plus CH administration could not significantly change SOD activity, and MAD, GSH, and NO levels in the hippocampus tissue of animals versus controls. Histopathological findings of the toxic effects of CPF on hippocampus tissue as evidenced by inflammatory cell infiltration, degeneration/necrosis, and mild hyperemia. CH could ameliorate these histopathological changes in a dose-dependent manner.
Conclusion: In conclusion, CH was effective against histopathological damage induced by CPF in the hippocampus through modulating inflammation and apoptosis.
Graphical Abstract
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