Abstract
Propiconazole (PCZ) is an ergosterol biosynthesis inhibiting fungicide. Carvacrol (CAR) is a monoterpenoid phenol that has various beneficial health effects. The current research was designed to study the impact of PCZ on the behavior of rats and its ability to induce DNA damage in neurons as well as to clarify the ameliorative effect of CAR against these toxic impacts. Sixty Sprague-Dawley rats were randomly and equally divided into 4 experimental groups and treated daily by oral gavage for 2 months as follows: Group 1 (control); group 2 treated with PCZ (75 mg/kg); group 3 treated with CAR (50 mg/kg) and group 4 treated with both PCZ and CAR. Behavioral tests demonstrated that exposure to PCZ had a deleterious effect on psychological, motor and cognitive neural functions. Additionally, antioxidant enzyme activities, SOD and GSH-Px, were declined in brain tissue following exposure to PCZ. Moreover, comet assay revealed a high percent of DNA damage in the brain of rats exposed to PCZ. On the other hand, CAR administration ameliorated the harmful effects induced by PCZ through a protective mechanism that involved the improvement of neural functions and attenuation of oxidative stress and DNA damage.
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