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Netrin-1 Pretreatment Protects Rat Kidney against Ischemia/Reperfusion Injury via Suppression of Oxidative Stress and Neuropeptide Y Expression

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Correspondence to: Ling Zhang and Ling Zhong.

ABSTRACT

Netrin-1 has been found to protect kidneys from ischemia/reperfusion injury. In this study, we aimed to address whether the protective effects were mediated through suppression of oxidative stress and neuropeptide Y. Compared to sham-operated animals, animals after ischemia/reperfusion showed marked kidney damage and significantly increased levels of serum creatinine, blood urea nitrogen, malondialdehyde, and neuropeptide Y. Renal myeloperoxidase activity was elevated in animals with ischemia/reperfusion relative to sham-operated animals, whereas renal superoxide dismutase activity was reduced. Netrin-1 pretreatment attenuated ischemia/reperfusion-induced functional and pathological changes in the kidney. Moreover, the ischemia/reperfusion-induced changes in the oxidative stress biomarkers and neuropeptide Y were significantly counteracted by prior administration of netrin-1. Taken together, our data showed that netrin-1 pretreatment prevented renal ischemia/reperfusion injury, at least partially through reduction of oxidative stress and neuropeptide Y expression. © 2013 Wiley Periodicals, Inc. J BiochemMol Toxicol 27:231-236, 2013; View this article online at wileyonlinelibrary.com. DOI 10.1002/jbt.21474

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