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Resveratrol, a Red Wine Constituent Polyphenol, Protects Gastric Tissue Against the Oxidative Stress in Cholestatic Rats
Authors:Vedat Kirimlioglu MD  Cengiz Ara MD  Mehmet Yilmaz MD  Dincer Ozgor MD  Burak Isik MD  Gokhan Sogutlu MD  Hale Kirimlioglu MD  Aysun Bay Karabulut PhD  Sezai Yilmaz MD  Cuneyt Kayaalp MD  Saim Yologlu MD
Affiliation:(1) Departments of General Surgery, Inonu University School of Medicine, Malatya, Turkey;(2) Departments of Pathology, Inonu University School of Medicine, Malatya, Turkey;(3) Departments of Biochemistry, Inonu University School of Medicine, Malatya, Turkey;(4) Departments of Biostatistics, Inonu University School of Medicine, Malatya, Turkey;(5) Department of General Surgery, Inonu University Turgut Ozal Medical Center, 44069 Malatya, Turkey
Abstract:This experimental study was designed to determine the effects of resveratrol on the level of malondialdehyde (MDA), reduced glutathione (GSH), and nitric oxide (NO) in gastric tissue after bile duct ligation (BDL). Swiss albino rats were divided into three groups: Group 1, sham (n = 7); Group 2, BDL (BDL only group; n = 7); and Group 3, BDL plus resveratrol (n = 7). Animals in the resveratrol group were treated with 10 mg/kg resveratrol (i.p.) once a day throughout 28 days. In the resveratrol group, levels of MDA and NO in gastric tissue were significantly lower than in the BDL-only group (P < 0.001). The level of GSH in the resveratrol group was significantly higher than in the BDL-only group (P < 0.001). The present study demonstrates that intraperitoneal administration of resveratrol maintains antioxidant defenses and reduces oxidative gastric damage. This effect of resveratrol may be useful to preserve gastric tissue under oxidative stress due to cholestasis.
Keywords:resveratrol  biliary cirrhosis  malondialdehyde  reduced glutathione  nitric oxide
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