Journal
LEUKEMIA & LYMPHOMA
Volume 55, Issue 11, Pages 2627-2636Publisher
TAYLOR & FRANCIS LTD
DOI: 10.3109/10428194.2014.889824
Keywords
Lymphoma; microenvironment; carcinogenesis; cytokines; curcumin
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Funding
- Department of Science and Technology, Government of India [SR/S0/AS-97/2007]
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Tumor necrosis factor-a (TNF-alpha) and interleukin-6 (IL-6) are typical multifunctional proinflammatory cytokines involved actively in the regulation of immunity, hematopoiesis, inflammation and carcinogenesis. Coordinated regulation of these cytokines could be required for effective regulation of early phase inflammation and cancer progression. The present work was aimed to analyze the anti-carcinogenic action of curcumin on the expression of TNF-alpha and IL-6 even after withdrawal of treatment. Up-regulated expressions of TNF-alpha and IL-6 in terms of mRNA and protein levels in lymphoma bearing mice were significantly down-regulated by curcumin as compared to normal. Electrophoretic mobility shift assay (EMSA) results revealed that curcumin reduced binding of nuclear protein with ETS and NF-kappa B binding elements of TNF-alpha and IL-6 promoters, respectively. The anti-carcinogenic effect of curcumin against lymphoma progression has been reported previously. In continuation, the present study suggests that the long-term effect of curcumin may contribute to attenuate cancer progression via the down-regulation of TNF-alpha and IL-6 modulated by E26 transformation-specific protein (ETS) and nuclear factor-kappa B (NF-kappa B), respectively.
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