ASIA unversity:Item 310904400/16405
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    题名: Benzyl isothiocyanate (BITC) inhibits migration and invasion of human colon cancer HT29 cells by inhibiting matrix metalloproteinase-2/-9 and urokinase plasminogen (uPA) through PKC and MAPK signaling pathway
    作者: 賴光啟;LAI, KUANG-CHI;黃安正;HUANG, AN-CHENG;徐素琴;HSU, SHU-CHUN;郭昭麟;KUO, CHAO-LIN;楊家欣;YANG, JAI-SING;吳莘華;SHIN-HWAR, WU;鍾景光;Chung, Jing-Gung
    贡献者: 生物科技學系
    关键词: BITC;migration;invasion;MMP2;MMP9;human colon cancer HT29 cells
    日期: 2010-03
    上传时间: 2012-11-23 17:12:38 (UTC+8)
    摘要: Benzyl isothiocyanate (BITC), a component of dietary cruciferous vegetables, has antioxidant and
    anticancer properties. In this study, we show for the first time the antimetastatic effects of BITC in
    human colon cancer HT29 cells. BITC had an inhibitory effect on cell migration and invasion. Protein
    levels of matrix metalloproteinase-2 (MMP-2), matrix metalloproteinase-9 (MMP-9), and urokinaseplasminogen activator (u-PA) were reduced by BITC in a concentration-dependent manner. BITC
    also exerted an inhibitory effect on phosphorylation of c-Jun N-terminal kinase 1 and 2 (JNK1/2),
    extracellular signal-regulated kinases 1 and 2 (ERK1/2), phosphatidylinositol 3-kinase (PI3K) and
    protein kinase C (PKC) that are upstream of nuclear factor kappa B (NF-κB). BITC inhibited DNA
    binding activity of NF-κB. Moreover, BITC decreased the levels of c-Fos, c-Jun, Ras, FAK, PI3K and
    GRB2 in HT29 cells. Reductions in the enzyme activity, protein and mRNA (mRNA) levels of MMP-2
    were observed in BITC-treated HT29 cells. BITC also inhibited mRNA levels of MMP-2, -7, and -9 in
    HT29 cells. Results from zymography showed that BITC treatment decreased MMP-2 expression in
    a concentration-dependent manner. BITC inhibited PKCδ activity in HT29 cells. Furthermore,
    inhibitors specific for JNK (SP600125) reduced expression of MMP-2, MMP-9, and u-PA. These
    results demonstrated that BITC could alter HT29 cell metastasis by reduction of MMP-2, MMP-9,
    and u-PA expression through the suppression of a PKC, MAPK signaling pathway and inhibition of
    NF-κB levels. These findings suggest that BITC has potential as an antimetastatic agent.
    關聯: JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
    显示于类别:[生物科技學系] 期刊論文

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