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Deprecated: Implicit conversion from float 243.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Innate+Immun 2016 ; 22 (3): 186-95 Nephropedia Template TP
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Resolvin D1, resolvin D2 and maresin 1 activate the GSK3? anti-inflammatory axis in TLR4-engaged human monocytes #MMPMID26878867
Gu Z; Lamont GJ; Lamont RJ; Uriarte SM; Wang H; Scott DA
Innate Immun 2016[Apr]; 22 (3): 186-95 PMID26878867show ga
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.