IMBALANCE BETWEEN FREE RADICAL PROPAGATION AND ANTIOXIDANTS STATUS IN CHILDREN WITH NEPHROTIC SYNDROME
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Oxygen-free radical have been implicated in a variety of disease processes including nephrotic syndrome. In this study we investigated the free radical activation products and antioxidant status in children with nephrotic syndrome compared with a control group. Serum lipid peroxides (LP) and selenium levels and red blood cell glutathione peroxidase (GSH-PX) and superoxide dismutase (SOD) activities were measured in 35 children (28 males and 7 females) with nephrotic syndrome. Similar number of apparently healthy children with appropriate age and sex were used as a control group. Children with nephrotic syndrome had significantly higher levels of LP (3.37 ± 0.5 nmol/ml) and lower level of serum selenium (150 ±35 ug/L) and red blood cell GSH-PX (32.617.8 U/g Hb) and SOD (1116 ±151 U/g Hb) respectively) when compared with the corresponding levels of the control group (2.53 -1- 0.6 nmol/ml, 230 143 ug/L. 51.8 1- 13.8 U/g Hb & 1422 ± 277 U/g Hb respectively). We concluded that imbalance between generation of oxygen free radicals and antioxidant status may have etiological implications for nephrotic syndrome.