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Role of free radicals and antioxidant status in childhood nephrotic syndrome

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Author(s): Ghodake S | Suryakar A | Ankush R | Katkam R | Shaikh K | Katta A

Journal: Indian Journal of Nephrology
ISSN 0971-4065

Volume: 21;
Issue: 1;
Start page: 37;
Date: 2011;
Original page

Keywords: Nephrotic syndrome | reactive oxygen species | lipid peroxide | total antioxidant capacity

ABSTRACT
Nephrotic syndrome (NS) is characterized by heavy proteinuria and hypoalbuminuria. Reactive oxygen species (ROS) seem to play an important role in the etiopathogenesis of proteinuria in NS. This study aims to evaluate the potential role of reactive oxygen species in pathogenesis of NS by estimating the levels of oxidants and antioxidants in children with NS. Thirty patients of NS and thirty age, sex-matched healthy subjects, were selected for the study. As compared to healthy controls, the levels of serum lipid peroxide were significantly elevated while levels of nitric oxide, erythrocyte-superoxide dismutase activity, levels of vitamin C, albumin and total antioxidant capacity were significantly reduced in nephrotic patients.The levels of uric acid and bilirubin were significantly increased in children with NS as compared to controls. There was no significant difference in vitamin E level between patients and controls. It can be concluded that increased ROS generation and decreased antioxidant defense may be related to the pathogenesis of proteinuria in NS.

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