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  • Title: TNF-alpha/IL-10 ratio and C-reactive protein as markers of the inflammatory response in CAD-prone North Indian patients with acute myocardial infarction.
    Author: Goswami B, Rajappa M, Mallika V, Shukla DK, Kumar S.
    Journal: Clin Chim Acta; 2009 Oct; 408(1-2):14-8. PubMed ID: 19576194.
    Abstract:
    BACKGROUND: Cytokines are responsible for the modulation of immunological and inflammatory processes and play a significant role in the pathogenesis of coronary artery disease (CAD). Tumor necrosis factor (TNF)-alpha is the major pro-inflammatory cytokine while interleukin-10 (IL-10) is the major anti-inflammatory cytokine in patients with CAD. We determined the significance of the TNF/IL-10 ratio and C-reactive protein (CRP) in patients of acute myocardial infarction as a marker for CAD in the atherosclerosis-prone North Indian population. METHODS: The study group comprised of 100 patients of acute myocardial infarction (AMI) and 100 age and sex matched healthy controls. Lipid profile, apolipoprotein-A (Apo-A), apolipoprotein-B (Apo-B) and CRP concentrations were estimated using commercially available kits in all patients and control subjects. TNF-alpha, lipoprotein (a) (Lp(a)) and IL-10 concentrations were assayed by using commercially available ELISA kits. RESULTS: The TNF-alpha concentrations were significantly higher in patients with acute myocardial infarction (86.9+/-4.7 pg/ml), as compared to control subjects (7.1+/-0.67 g/ml). AMI patients also exhibited higher serum concentrations of IL-10 (5.74+/-0.82 pg/ml), in comparison to the controls (1.22+/-0.06 pg/ml). The ratio of TNF-alpha to IL-10 was significantly increased in cases (15.2+/-1.13), in comparison to healthy subjects (5.8+/-0.64). CONCLUSIONS: These cytokines underline the role of the immune processes during unstable atherosclerosis and in the pathogenesis of coronary artery disease in the Indian context.
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