Full Length Research Paper
Abstract
Statins are widely used besides their myopathic side effects, ranging from mild myalgia to fatal rhabdomyolysis. Resveratrol is one of the most popular over the counter products used for similar purposes with statins. The aim of this study was to elucidate the myopathic effects of atorvastatin and coadministered resveratrol in male rat skeletal muscle via morphological analyses and immunohistochemistry studies. Control group received 1.5 ml of drinking water by oral gavage and 1 ml 15% ethanol (vehicle of resveratrol) i.p. for 14 days daily; atorvastatin group was treated with 40 mg/kg atorvastatin by oral gavage and 1 ml 15% ethanol i.p. for 14 days daily. Resveratrol + atorvastatin group was treated with 40 mg/kg atorvastatin by oral gavage and 20 mg/kg i.p resveratrol for 14 days daily. Atorvastatin treatment resulted with a moderate inducible nitric oxide synthase (iNOS) and endothelial nitric oxide synthase (eNOS) immunoreactivity in nucleus and strong immunoreactivity in fibers. Control group and resveratrol + atorvastatin group showed weak iNOS and eNOS immunoreactivity in nucleus and moderate immunoreactivity muscular fibers. Treatment with atorvastatin resulted in a significantly shortened fibrils, and resveratrol co-treatment reversed this effect. Resveratrol and atorvastatin co-treatment could be an alternative treatment to prevent the myositis adverse effects of atorvastatin on skeletal muscle.
Key words: Atorvastatin, myositis, resveratrol.
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