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首页> 外文期刊>Journal of Agricultural and Food Chemistry >6-Dehydrogingerdione Restrains Lipopolysaccharide-lnduced Inflammatory Responses in RAW 264.7 Macrophages
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6-Dehydrogingerdione Restrains Lipopolysaccharide-lnduced Inflammatory Responses in RAW 264.7 Macrophages

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6-Dehydrogingerdione (6-DG), one important component of ginger, has been reported to possess some medical effects, such as antitumor and antiatherosclerosis. Herein, the anti-inflammatory effects of 6-DG against lipopolysaccharides (LPS) induced pro-inflammation mediators in RAW 264.7 cells were investigated. Results show that 6-DG significantly attenuated inducible nitric oxide synthase (iNOS, NOS2), cyclooxygenase-2 (COX-2), interleukin-1β (IL-1β), interleukin 6 (IL-6), and tumor necrosis factor-α (TNF-α) in the LPS-mediated murine macrophages (RAW 264.7 cells). 6-DG inhibited LPS-induced phosphorylation of both p38 and nuclear factor of (flight polypeptide gene enhancer in B-cells inhibitor-α (IkBα), which further prevented p-p6S nuclear factor-KB (NF-kB-p6S) translocation to the nucleus. Moreover, 6-DG increased the ratio of phosphorylated signal transducers and activators of transcription 1 (p-STATl)/p-STAT3 and down-regulated the gene expression of IL-1β, IL-6, and IL-10.

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