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橙皮苷通过消除Wistar大鼠的氧化应激和细胞凋亡来改善三氯乙烯诱导的肾毒性。

Hesperidin ameliorates trichloroethylene-induced nephrotoxicity by abrogation of oxidative stress and apoptosis in wistar rats.

作者信息

Siddiqi Aisha, Nafees Sana, Rashid Summya, Sultana Sarwat, Saidullah Bano

机构信息

Discipline of Life Sciences, School of Sciences, Indira Gandhi National Open University, Maidan Garhi, New Delhi, 110068, India.

出版信息

Mol Cell Biochem. 2015 Aug;406(1-2):9-20. doi: 10.1007/s11010-015-2400-8. Epub 2015 May 21.

Abstract

Trichloroethylene (TCE), a nephrotoxicant is known to cause severe damage to the kidney. In this study, the nephroprotective potential of hesperidin was evaluated against TCE-induced nephrotoxicity in wistar rats. Oral administration of TCE (1000 mg/kg b.wt) for 15 days enhanced renal lipid peroxidation and reduced antioxidant enzymes armoury viz., reduced renal glutathione, glutathione peroxidase, glutathione reductase, glutathione-S-transferase, catalase and superoxide dismutase. It also enhanced the levels of blood urea nitrogen, creatinine and kidney injury molecule (KIM-1). Caspase-3 and bax expression were found to be elevated, while that of bcl-2 reduced suggesting that TCE induces apoptosis. However, pretreatment with hesperidin at a dose of 100 and 200 mg/kg b.wt for 15 days significantly decreased lipid peroxidation, increased the levels of antioxidant enzymes and reduced blood urea, creatinine and KIM-1 levels. Hesperidin also modulated the apoptotic pathways by altering the expressions of caspase-3, bax and bcl-2 to normal. Our results suggest that hesperidin can be used as a nephroprotective agent against TCE-induced nephrotoxicity.

摘要

三氯乙烯(TCE)是一种已知会对肾脏造成严重损害的肾毒性物质。在本研究中,评估了橙皮苷对TCE诱导的Wistar大鼠肾毒性的肾保护潜力。连续15天口服TCE(1000毫克/千克体重)会增强肾脏脂质过氧化,并降低抗氧化酶水平,即降低肾脏中的谷胱甘肽、谷胱甘肽过氧化物酶、谷胱甘肽还原酶、谷胱甘肽-S-转移酶、过氧化氢酶和超氧化物歧化酶。它还会提高血尿素氮、肌酐和肾损伤分子(KIM-1)的水平。发现半胱天冬酶-3和bax表达升高,而bcl-2表达降低,这表明TCE诱导细胞凋亡。然而,以100和200毫克/千克体重的剂量连续15天用橙皮苷预处理可显著降低脂质过氧化,提高抗氧化酶水平,并降低血尿素、肌酐和KIM-1水平。橙皮苷还通过将半胱天冬酶-3、bax和bcl-2的表达改变至正常水平来调节细胞凋亡途径。我们的结果表明,橙皮苷可作为一种抗TCE诱导肾毒性的肾保护剂。

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