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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Kinetics of IL-10-induced gene expression in human macrophages.

IL-10 is a strong inhibitor of macrophage (M(phi)) activation and inflammatory cytokine and chemokine production. To gain insight into mechanisms by which IL-10 suppresses inflammation, we performed a kinetic analysis of IL-10-induced gene expression in primary human M(phi). IL-10 induced rapid and transient expression of genes encoding transcription factors, followed by sustained elevation or suppression of gene expression. IL-10 suppressed basal expression of interferon-inducible genes, suggesting that IL-10 interrupts autocrine interferon-mediated priming. IL-10 induced the expression of prostaglandin dehydrogenase ( PGDH), the major catabolic enzyme involved in prostaglandin degradation. Concomitant with PGDH expression, IL-10 induced increased degradation of the inflammatory PGE2 and suppressed PGE2-mediated effects on M(phi) morphology and gene expression. These results identify catabolism of inflammatory PGs as a mechanism of IL-10 anti-inflammatory action.[1]


  1. Kinetics of IL-10-induced gene expression in human macrophages. Antoniv, T.T., Park-Min, K.H., Ivashkiv, L.B. Immunobiology (2005) [Pubmed]
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