Abstract

Oxygen derived free radicals have been implicated in the causation of Rheumatoid arthritis (RA) [1].In this study, evidence of free radical injury and oxidative stress in patients with RA is compared with healthy subjects by estimating superoxide dismutase (SOD) and catalase, which are anti-oxidant enzymes in RBCs, Glucose 6 Phosphate Dehydrogenase (G 6 PD) in RBCs and serum Malon-di-aldehyde (MDA) levels. Serum MDA levels in RA could be used as a biochemical marker of disease activity and for monitoring the response to treatment. There was no definite correlation between enzyme levels of SOD, catalase and G 6 PD and disease activity.

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