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首页> 外文期刊>Journal of applied toxicology >S-allylcysteine attenuates renal injury by altering the expressions of iNOS and matrix metallo proteinase-2 during cyclosporine-induced nephrotoxicity in Wistar rats.
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S-allylcysteine attenuates renal injury by altering the expressions of iNOS and matrix metallo proteinase-2 during cyclosporine-induced nephrotoxicity in Wistar rats.

机译:S-烯丙基半胱氨酸通过在环孢素诱导的Wistar大鼠肾毒性过程中改变iNOS和基质金属蛋白酶2的表达来减轻肾脏损伤。

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Cyclosporine A (CsA) is the first choice immunosuppressant used for the prevention of allograft rejection in solid organ transplantation and immune-mediated diseases. Reactive oxygen species-induced oxidative stress and lipid peroxidation are implicated in the pathophysiology of CsA-induced renal injury. In this work, we have studied the effect of a garlic-derived compound, S-allylcysteine (SAC) on CsA-induced nephrotoxicity. CsA-induced nephrotoxicity was assessed in terms of increased activities of serum marker enzymes and levels of kidney markers. CsA administration induced significant elevation in lipid peroxidation along with abnormal levels of enzymic and non-enzymic antioxidants in the kidneys of the rats. SAC administration improved renal function by bringing about a significant decrease in peroxidative levels and increase in antioxidant status. Elevated expressions of inducible nitric oxide synthase (iNOS) and nuclear factor kappa B (NF-kappaB) due to CsA administration were reduced by SAC treatment. An increase in the expression of matrix metalloproteinase-2 (MMP-2) was evident in CsA-induced groups of rats, which was moderately reduced in SAC treated rats. An increase in the levels of serum constituent's urea, uric acid and creatinine was observed in the CsA-induced rats, which was reduced upon treatment with SAC. These results indicate that SAC has a protective action against CsA-induced nephrotoxicity which is also supported by histopathological studies. A comparative study of the antioxidant vitamin C and SAC is more valuable to assess the efficacy of the drug that can be used for the treatment of nephrotoxicity.
机译:环孢霉素A(CsA)是用于在实体器官移植和免疫介导的疾病中预防同种异体移植排斥的首选免疫抑制剂。活性氧诱导的氧化应激和脂质过氧化与CsA诱导的肾损伤的病理生理有关。在这项工作中,我们研究了大蒜衍生的化合物S-烯丙基半胱氨酸(SAC)对CsA诱导的肾毒性的作用。根据血清标志物酶活性增加和肾脏标志物水平评估CsA诱导的肾毒性。 CsA给药可引起大鼠肾脏脂质过氧化的显着升高,以及酶和非酶抗氧化剂的异常水平。 SAC给药通过显着降低过氧化水平和增加抗氧化剂状态来改善肾功能。通过SAC处理可降低诱导性一氧化氮合酶(iNOS)和核因子κB(NF-κB)的高表达。在CsA诱导的大鼠组中,基质金属蛋白酶2(MMP-2)的表达明显增加,在SAC处理的大鼠中有所降低。在CsA诱导的大鼠中观察到血清成分的尿素,尿酸和肌酐水平增加,用SAC处理后降低。这些结果表明SAC对CsA诱导的肾毒性具有保护作用,这也得到组织病理学研究的支持。抗氧化剂维生素C和SAC的比较研究对于评估可用于治疗肾毒性的药物的疗效更有价值。

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