Abstract:
:Myeloid differentiation protein 2 (MD-2) is a co-receptor of toll-like receptor 4 (TLR4) for innate immunity. Here, we delineated a new mechanism of 1-dehydro-10-gingerdione (1D10G), one of pungent isolates from ginger (Zingiber officinale), in the suppression of lipopolysaccharide (LPS)-induced gene expression of inflammatory cytokines. 1D10G inhibited LPS binding to MD-2 with higher affinity than gingerol and shogaol from dietary ginger. Moreover, 1D10G down-regulated TLR4-mediated expression of nuclear factor-κB (NF-κB) or activating protein 1 (AP1)-target genes such as tumor necrosis factor α (TNF-α) and interleukin-1β, as well as those of interferon (IFN) regulatory factor 3 (IRF3)-target IFN-β gene and IFN-γ inducible protein 10 (IP-10) in LPS-activated macrophages. Taken together, MD-2 is a molecular target in the anti-inflammatory action of 1D10G.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Park SH,Kyeong MS,Hwang Y,Ryu SY,Han SB,Kim Ydoi
10.1016/j.bbrc.2012.02.091subject
Has Abstractpub_date
2012-03-23 00:00:00pages
735-40issue
4eissn
0006-291Xissn
1090-2104pii
S0006-291X(12)00341-5journal_volume
419pub_type
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