Saucerneol G, a new lignan, from Saururus chinensis inhibits matrix metalloproteinase-9 induction via a nuclear factor κB and mitogen activated protein kinases in lipopolysaccharide-stimulated RAW264.7 cells.

Abstract:

:This study was conducted to demonstrate the inhibitory effect of saucerneol G (SG), a new lignan, isolated from the aerial part of Saururus chinensis (Saururaceae) on lipopolysaccharide (LPS)-stimulated matrix metalloproteinase-9 (MMP)-9 inductions in RAW 264.7 cells. Aimed at evaluating the mechanism of action by which SG inhibits the LPS-mediated induction of MMP-9, the effects of SG on nuclear factor-κB (NF-κB) DNA binding activity, NF-κB-dependent reporter gene activity, inhibitory factor-κB (IκB) phosphorylation, degradation and p65 nuclear translocation were assessed. SG profoundly suppressed the DNA binding activity and the reporter gene activity as well as translocation of NF-κB p65 subunit. Furthermore, SG also dose dependently inhibited LPS-stimulated activation of mitogen-activated protein kinases (MAPKs). These findings suggest that SG may inhibit LPS-stimulated MMP-9 induction by blocking NF-κB and MAPKs activation.

journal_name

Biol Pharm Bull

authors

Lu Y,Hong TG,Jin M,Yang JH,Suh SJ,Piao DG,Ko HK,Seo CS,Chang YC,Kim CH,Son JK,Chang HW

doi

10.1248/bpb.33.1944

subject

Has Abstract

pub_date

2010-01-01 00:00:00

pages

1944-8

issue

12

eissn

0918-6158

issn

1347-5215

pii

JST.JSTAGE/bpb/33.1944

journal_volume

33

pub_type

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