Involvement of p38 MAPK and ATF-2 signaling pathway in anti-inflammatory effect of a novel compound bis[(5-methyl)2-furyl](4-nitrophenyl)methane on lipopolysaccharide-stimulated macrophages.

In this study, the bis[(5-methyl)2-furyl](4-nitrophenyl)methane or BFNM was evaluated for the anti-inflammatory activity and mechanism of action in lipopolysaccharide (LPS)-stimulated RAW 264.7 macrophage. BFNM inhibited NO and PGE2 production in a concentration-dependent manner and down-regulated the expression of iNOS and COX-2 at mRNA and protein levels. BFNM suppressed nuclear translocation of NF-κB p65 subunit only very slightly, and failed to decrease NF-κB DNA binding activity. In contrast, the compound significantly reduced phosphorylation of p38 MAPK and ATF-2, a component of AP-1 known to be involved in the transcriptional regulation of iNOS and COX-2, in a dose-dependent manner in LPS-induced cells. Collectively, these results suggest that BFNM has an anti-inflammatory effect ...

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