Abstract
Preclinical Research Trans-resveratrol has a wide range of biological effects that reflect its antioxidant, anti-inflammatory, anticarcinogenic and cardioprotective properties. This study was conducted to elucidate the potential role of resveratrol on hepatic inflammation and the apoptotic pathway components Bcl-2, Bax and p53 in a streptozotocin (STZ)-induced rat model of diabetes mellitus. Inflammatory and apoptotic biomarkers indicated a reduction in hepatic erythropoietin (1.26-fold) and increased asymmetric dimethylarginine (3.9-fold), visfatin (1.6-fold), inflammatory interleukins and TNF-α contents (approximately twofold each) in the diabetic animals. Induction of inducible nitric oxide synthase gene (2.04-fold) and protein expression (1.24-fold) was also observed. Immunohistochemical studies showed enhancement of the apoptotic biomarkers Bax and p53 in diabetic animals. STZ-induced diabetic male Wistar rats were treated with resveratrol (20 mg/kg/day i.p.). Resveratrol succeeded to recover most of these inflammatory and apoptotic elements. Therefore, inflammatory and apoptotic pathways were proved to be affected by STZ-induced diabetes in several aspects and resveratrol might contribute hepatoprotective effects as evidenced from this study.
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