Estimation & significance of serum & synovial fluid malondialdehyde levels in rheumatoid arthritis.
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1999-05-22
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Serum and synovial fluid (SF) levels of malondialdehyde (MDA), a marker of free radical induced lipid peroxidation, were estimated in patients of rheumatoid arthritis (RA) and compared with healthy controls and patients of osteoarthritis (OA). While serum MDA levels were similar in healthy controls (0.24 +/- 0.10 nmol/ml) and OA (0.28 +/- 0.11 nmol/ml), the serum levels in RA (0.47 +/- 0.19 nmol/ml) were significantly higher as compared to both healthy controls and OA patients; and correlated with synovial fluid (SF) MDA levels. No difference was observed in SF-MDA levels in RA (0.17 +/- 0.07 nmol/ml) and OA (0.16 +/- 0.09). MDA levels did not correlate with markers of disease activity in RA like joint counts, duration of morning stiffness, erythrocyte sedimentation rate etc. Increased serum MDA levels in RA suggest the role of free radicals in the pathogenesis of this inflammatory arthropathy and support the need for further studies assessing the therapeutic role of free radical scavengers in RA.
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Chaturvedi V, Handa R, Rao DN, Wali JP. Estimation & significance of serum & synovial fluid malondialdehyde levels in rheumatoid arthritis. Indian Journal of Medical Research. 1999 May; 109(): 170-4