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CURCUMIN INHIBITION OF INFLAMMATORY CYTOKINE PRODUCTION BY HUMAN PERIPHERAL BLOOD MONOCYTES AND ALVEOLAR MACROPHAGES

https://doi.org/10.1006/phrs.1998.0404Get rights and content

Abstract

Curcumin, a dietary pigment responsible for the yellow colour of curry, has been used for the treatment of inflammatory diseases and exhibits a variety of pharmacological effects such as anti-inflammatory activity. The mechanism in anti-inflammatory activity of curcumin has been investigated; however, little is known about the effect of curcumin on cytokine production by human peripheral blood monocytes and alveolar macrophages. In the present study, we shed light on the effect of curcumin on inflammatory cytokine production by human peripheral blood monocytes and alveolar macrophages. To this end, we determined the concentrations of interleukin-8 (IL-8), monocyte inflammatory protein-1 (MIP-1α), monocyte chemotactic protein-1 (MCP-1), interleukin-1β (IL-1β), and tumour necrosis factor-α (TNF-α) in the culture supernatants from phorbor ester, 4β phorbor 12β-myristate-13α acetate (PMA)- or lipo-polysaccharide (LPS)-stimulated monocytes and alveolar macrophages in the presence or absence of curcumin. Curcumin inhibited the production of IL-8, MIP-1α, MCP-1, IL-1β, and TNF-α by PMA- or LPS-stimulated monocytes and alveolar macrophages in a concentration- and a time-dependent manner. These results show that curcumin exhibits an inhibitory effect on the production of IL-8, MIP-1α, MCP-1, IL-1β, and TNF-α by PMA- or LPS-stimulated monocytes and alveolar macrophages.

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