中山醫學大學機構典藏 CSMUIR:Item 310902500/11759
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    题名: Pterostilbene suppresses oral cancer cell invasion by inhibiting MMP-2 expression.
    作者: Lin CW;Chou YE;Chiou HL;Chen MK;Yang WE;Hsieh MJ;Yang SF
    贡献者: 中山醫學大學
    关键词: KEYWORDS: MMP-2;migration;oral cancer;pterostilbene;urokinase-type plasminogen activator
    日期: 2014-10
    上传时间: 2015-07-28T10:34:55Z (UTC)
    ISSN: 1472-8222
    摘要: OBJECTIVE:
    Polyphenol compounds, present in a wide variety of natural plants, exhibit antioxidant and free radical scavenging ability and induce apoptosis in various cancer cells. However, the effect of pterostilbene on oral cancer cell metastasis has not been clarified.
    RESEARCH DESIGN AND METHODS:
    The present study aimed to examine the anti-metastatic properties of pterostilbene in human oral squamous cell carcinoma (SCC)-9 cells.
    RESULTS:
    In this study, pterostilbene treatment significantly inhibited migration/invasion capacities of SCC-9 cells in vitro. The results of zymography and western blotting revealed that the activities and protein levels of the MMP-2 and urokinase-type plasminogen activator (u-PA) was inhibited by pterostilbene. Western blot analysis also showed that pterostilbene inhibits the phosphorylation of Akt, extracellular signal-regulated kinase 1/2 and p38. Determinations of the mRNA levels, real-time polymerase chain reaction and promoter assays were conducted to evaluate the inhibitory effects of pterostilbene on MMP-2 and u-PA expression in SCC-9 cells. Such inhibitory effects were associated with the upregulation of tissue inhibitor of metalloproteinase-2, plasminogen activator inhibitor-1 and the downregulation of the transcription factors of NF-κB, SP-1 and CREB signaling pathways.
    CONCLUSIONS:
    Pterostilbene may have potential use as a chemopreventive agent against oral cancer metastasis.
    URI: https://ir.csmu.edu.tw:8080/ir/handle/310902500/11759
    http://dx.doi.org/10.1517/14728222.2014.947962
    關聯: Expert Opin Ther Targets,18(10):1109-20
    显示于类别:[醫學檢驗暨生物技術學系暨碩士班] 期刊論文

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