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白杨素对 D-半乳糖胺诱导的大鼠肝炎肝保护和抗氧化状态的影响。

Effect of chrysin on hepatoprotective and antioxidant status in D-galactosamine-induced hepatitis in rats.

机构信息

Department of Biochemistry and Biotechnology, Faculty of Science, Annamalai University, Annamalainagar - 608 002, Tamilnadu, India.

出版信息

Eur J Pharmacol. 2010 Apr 10;631(1-3):36-41. doi: 10.1016/j.ejphar.2009.12.031. Epub 2010 Jan 6.

Abstract

Chrysin is a natural, biologically active compound present in many plants and possesses potent anti-inflammatory, anticancer and antioxidation properties. This work was designed to investigate the effect of chrysin, on the hepatoprotective efficacy in d-galactosamine-intoxication rats. d-galactosamine-induced toxicity was manifested by the elevation of serum hepatic marker enzyme activities (aspartate aminotransferase, alanine aminotransferase, alkaline phosphatase and gamma-glutamyl transpeptidase) and the lipid peroxidation process and by decreasing the antioxidant capacity of the plasma, erythrocyte and tissues. Treatment with chrysin (25, 50 and 100mg/kg body weight) decreased hepatic marker enzyme activities and lipid peroxidation products such as thiobarbituric acid reactive substances, lipid hydroperoxides and conjugated dienes, increased the activities of free-radical scavenging enzymes superoxide dismutase, catalase and glutathione peroxidase and the levels of non-enzymatic antioxidants reduced glutathione, vitamin C and vitamin E. These findings demonstrate that chrysin acts as a hepatoprotective and antioxidant agent against d-galactosamine-induced hepatotoxicity.

摘要

白杨素是一种天然的、具有生物活性的化合物,存在于许多植物中,具有很强的抗炎、抗癌和抗氧化作用。本研究旨在探讨白杨素对半乳糖胺中毒大鼠的保肝作用。半乳糖胺诱导的毒性表现为血清肝标志物酶活性(天冬氨酸氨基转移酶、丙氨酸氨基转移酶、碱性磷酸酶和γ-谷氨酰转肽酶)升高和脂质过氧化过程,并降低血浆、红细胞和组织的抗氧化能力。白杨素(25、50 和 100mg/kg 体重)治疗可降低肝标志物酶活性和脂质过氧化产物如硫代巴比妥酸反应性物质、脂质过氧化物和共轭二烯,增加自由基清除酶超氧化物歧化酶、过氧化氢酶和谷胱甘肽过氧化物酶的活性以及非酶抗氧化剂还原型谷胱甘肽、维生素 C 和维生素 E 的水平。这些发现表明白杨素具有对抗半乳糖胺诱导的肝毒性的保肝和抗氧化作用。

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