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Acute Renal Failure (ARF) has traditionally been defined as the abrupt and progressive loss of kidney functions resulting in the retention of urea and other nitrogenous waste products associated with interstitial inflammation, tubular injury and increasing Tumor Necrosis Factor (TNF). Mortality in patients with ARF remains high >50% in severely ill patients. Klotho gene is a new anti-aging gene. Genetic mutation of klotho gene causes multiple premature aging-like phenotypes and shortens lifespan. Klotho gene is highly expressed in the kidney and a soluble form of klotho functions as an endocrine substance that exerts multiple actions including the modulation of renal solute transport and the protection of the kidney. This study aimed to clarify the pre treatment and/or post treatment effect of vitamin E as an antioxidant on kidney functions, klotho gene expression and glutathione peroxidase-1 gene expression among rats with acute renal failure. Using glycerol as oxidative stress factor to cause acute renal failure and Real time PCR for assessment of gene expression of target gene in the control and treated groups. Our results demonstrated that the vitamin E (I± tocopherol) as antioxidant factor decreased the kidney injuries as pre renal failure administer and improve kidney function as post renal failure administer. Those effects were through up regulating the Klotho as anti aging gene and the Glutathione Peroxidase (GPx-1) as antioxidant gene expression in the kidney tissue. We concluded that factors those up regulate the klotho gene expression can use as protective factors against kidney injuries and to improve kidney function in renal failure.

american journal of biochemistry and biotechnology/american journal of biochemistry and biotechnology

Factors Those Up Regulate &lt;i&gt;Klotho&lt;/i&gt; and Glutathione Peroxidase-1 Gene Expression Improve Renal Function in Rats with Acute Renal Failure