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Objective: This work was designed to determine the productive effect of grape seed proanthocynadine extract (GSPE) and Vitamin E against Doxorubicin (DOX) induced myocardial toxicity in 50 male. Wister rates were divided in five groups. The 1st group was untreated and served as a control. The 2nd group was treated with DOX only, the 3rd group was pretreated with GSPE, the 4th group was pretreated with Vitamin E, and the 5th group was pretreated with GSPE and Vitamin E. DOX was administered by single i.p (Intraperitonial) injection of 15 mg/kg/body weight to induce cardio toxicity and Vitamin E was administered at a dose of 400 IU/kg/bodyweight/day, p.o (per oral) for 10 days prior to DOX administration [1]. GSPE was given at a dose of 150 mg/kg/bodyweight/ day, p.o (per oral) for 10 days before treatment with DOX. After 2 weeks experimental period, blood samples and heart tissues were taken from all groups. The general observations, mortality, histopathology, biomarker enzymes like Lactate Dehydrogenase (LDH), Creatine Phosphokinase (CPK), Aspartate Aminotransferase (AST), Alanine Aminotransferase (ALT), Antioxidants such as Glutathione (GSH), Superoxide dismutase (SOD), Catalase (CAT) and Malondialdehyde (MDA) were monitored after 2 weeks of the last dose. Results: Administration of DOX caused cardiomyopathy associated with an antioxidant deficiency. Pretreatment with GSPE and Vitamin E significantly (P < 0.01) protected the myocardium from the toxic effects of DOX by reducing the elevated level of biomarkers and diagnostic enzymes like LDH, CPK, AST, and ALT to normal levels. GSPE and Vitamin E increased the GSH, SOD and CAT levels and decreased the MDA levels in cardiac tissue. Conclusion: These results suggest a cardioprotective effect of GSPE and Vitamin E due to its antioxidant properties.

The Protective Effect of Grape Seed Extract on Cardiotoxicity Induced by Doxorubicin Drug in Male Rats