Abstract
Inflammation is a protective tissue response occurring in three distinct phases, acute, subacute and a chronic proliferative phase. We undertook the present study to understand the overall immune response of the body during adjuvant induced chronic inflammation in rat and the effect of ibuprofen and curcumin on this response. Inflammatory mediators were estimated on day 21 and day 35 after adjuvant injection. The level of C-reactive protein increased to 200% on day 21 and then reduced to 50% on day 35 compared to control. Curcumin and ibuprofen further reduced the increased levels at both the time intervals. Haptoglobin level decreased to 42% on day 21 but increased to 5 times of control on day 35.Curcumin and ibuprofen reduced the increased levels at day 35. No significant change was observed in Prostaglandin-E2 and Leukotriene-B4 levels and in Lymphocyte proliferation. The level of Tumor Necrosis Factor-α increased by three folds on day 21, but came down to 88% on day 35. Ibuprofen treatment decreased the raised level on day 21 and increased the reduced level on day 35. Interleukin-1β increased to 2 folds on day 21 and 10 folds on day 35 which were significantly brought down by curcumin and ibuprofen. Nitric oxide level was reduced at both the time intervals, which were increased by drug treatment.
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