Protective effect of Cucurbita pepo fruit peel against CCl4 induced neurotoxicity in rat
Journal Title: Pakistan Journal of Pharmaceutical Sciences - Year 2014, Vol 27, Issue 6
Abstract
Cucurbita pepo is a common vegetable used all over the world. In folk medicine it is used in gastroenteritis, hepatorenal and in brain anomalies. In the present study, protective effect of Cucurbita pepo fruit peel against CCl4-induced neurotoxicity in rats was investigated. In this study, 36 Sprague-Dawley female rats (190±15 g) were randomly divided into 6 groups of 6 rats each. Group I was given 1 ml/kg bw (body weight) of corn oil intraperotoneally (i.p); Group II, III and IV were treated with 20% CCl4 in corn oil (1ml/kg bw i.p.). However, animals of Group III and IV were also treated with CPME (methanol extract of C. pepo fruit peel) at 200 and 400mg/kg bw respectively. Animals of Group V and VI were administered only with CPME at 200 and 400mg/kg bw respectively. These treatments were administered 3 days a week for two weeks. Administration of CCl4 cause acute neurotoxicity as depicted by significant depletion (P<0.05) in the activities of antioxidant enzymes; catalase, superoxide dismutase, peroxidase, glutathione reductase, glutathione-S-transferase, glutathione peroxidase, quinone reductase, while enhanced the γ-glutamyl transferase level in brain samples. CCl4 intoxication decreased the reduced glutathione (GSH) level whereas markedly (P<0.05) enhanced lipid peroxidation in brain samples. Co-treatment of CPME significantly (P<0.05) protected the brain tissues against CCl4 constituted injuries by restoring activities of antioxidant enzymes and ameliorated lipid peroxidation in a dose dependent fashion. These neuroprotective effects might be due to the presence of antioxidant constituents.
Authors and Affiliations
Sania Zaib , Muhammad Rashid Khan
Keywords
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