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Glycoprotein Isolated From Ulmus davidiana NAKAI Protects Against Carbon Tetrachloride-Induced Liver Injury in the Mouse
[摘要] References(54)Cited-By(8)Ulmus davidiana NAKAI (UDN) has traditionally been used for healing of inflammatory diseases. This study was carried out to investigate the hepatoprotective effect of the glycoprotein isolated from UDN in carbon tetrachloride (CCl4)-induced liver injury. We evaluated the activities of alanine aminotransferase (ALT), lactate dehydrogenase (LDH), thiobarbituric acid-reactive substances (TBARS), and antioxidant enzymes [superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx)] activities in CCl4-treated mice. When mice were treated with CCl4 in the absence of UDN glycoprotein, the activities of ALT, LDH, and TBARS were increased, while the antioxidant enzymes activities were decreased. However, when the mice were treated with CCl4 in the presence of UDN glycoprotein, the activities of ALT, LDH, and TBARS were significantly reduced and SOD, CAT, and GPx activities were remarkably increased. In addition, UDN glycoprotein increased the nitric oxide production and decreased the nuclear factor-kappa B and activator protein-1 activation in CCl4-treated mice. We also investigated the protective effects of UDN glycoprotein in glucose/glucose oxidase (G/GO)-induced cytotoxicity in primary cultured mouse hepatocytes. UDN glycoprotein markedly inhibited the cell death induced by G/GO. These results suggest that UDN glycoprotein protects against CCl4-induced liver injury in the mouse.
[发布日期]  [发布机构] 
[效力级别]  [学科分类] 药学
[关键词] Ulmus davidiana NAKAI glycoprotein;antioxidant enzyme;nitric oxide;nuclear factor-kappa B;activator protein-1 [时效性] 
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