期刊
INNATE IMMUNITY
卷 22, 期 3, 页码 186-195出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/1753425916628618
关键词
CREB; GSK3; inflammation; LPS; maresin; resolvin
资金
- NIDCR [DE017680, DE023633, DE025409, DE017921, DE011111]
Pro-resolving, docosahexaenoic acid-derived mediators have recently emerged as important potential therapeutic agents for the amelioration of complications arising from inflammation, such as vascular disease, asthma, acute lung injury and colitis. While resolvin D1 (RVD1), resolvin D2 (RVD2) and maresin 1 (MaR1) are established pro-resolvins, their mechanisms of action remain unclear. Here we show that, in LPS-stimulated primary human monocytes, RVD1, RVD2 and MaR1 each suppress the release of pro-inflammatory cytokines (TNF, IL-1, IL-8) and the innate/adaptive bridging cytokine, IL-12 p40, while simultaneously augmenting the production of the anti-inflammatory cytokine, IL-10. Such resolving activity is accompanied by the increased phosphorylation (enhanced anti-inflammatory state) of glycogen synthase kinase 3 (GSK3) along with increased phosphorylation (activation) of Akt, SGK1 and CREB but not MAPK-related molecules. Gain and loss of function experiments confirm a key role for GSK3 and CREB in the anti-inflammatory actions of resolvins. These results suggest that induction of the GSK3 anti-inflammatory axis is a common mechanism of action for RVD1, RVD2 and MaR1.
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