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細胞外微小環境変化と細胞運動誘導
https://doi.org/10.24517/00034620
https://doi.org/10.24517/00034620038618cc-077c-4390-a5f0-94799cc0ba0b
名前 / ファイル | ライセンス | アクション |
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CA-PR-TAKINO-T-kaken 2011-5p.pdf (388.4 kB)
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Item type | 報告書 / Research Paper(1) | |||||
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公開日 | 2017-10-05 | |||||
タイトル | ||||||
タイトル | 細胞外微小環境変化と細胞運動誘導 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Cell migration induced by althernation of extracellular matrix microenvironment | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_18ws | |||||
資源タイプ | research report | |||||
ID登録 | ||||||
ID登録 | 10.24517/00034620 | |||||
ID登録タイプ | JaLC | |||||
著者 |
滝野, 隆久
× 滝野, 隆久 |
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著者別表示 |
Takino, Takahisa
× Takino, Takahisa |
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提供者所属 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 金沢大学がん進展制御研究所 | |||||
書誌情報 |
平成22(2010)年度 科学研究費補助金 基盤研究(C) 研究成果報告書 en : 2010 Fiscal Year Final Research Report 巻 2008-2010, p. 5p., 発行日 2011-05-23 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | ヒト扁平上皮癌細胞のコラーゲンゲル培養において、MT1-MMP活性を合成阻害剤やsiRNAを用いたknockdownnにより阻害すると細胞増殖が顕著に抑制された。この際、FAKとERKの活性化が抑制されていた。また、MT1-MMP阻害はインテグリンαvβ3を介したc-Srcの活性化も抑制することも見出した。c-Srcのエフェクター分子を検索したところ、コラーゲンゲル内においてMT1-MMPはPaxillinを介してERK活性化と細胞増殖を誘導することを証明した。MT1-MMPはコラーゲンゲル内において細胞外環境の変化を誘導し、c-Srcの活性化を惹起し、Paxillinを介してERK活性化と細胞増殖を誘導すると考えられた。 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Membrane-type 1 matrix metalloproteinase (MT1-MMP) is essential for tumor invasion and growth. We show here that MT1-MMP induces extracellular signal-regulated kinase (ERK) activation in cancer cells cultured in collagen gel, which is indispensable for their proliferation. Inhibition of MT1-MMP by MMP inhibitor or small interfering RNA suppressed activation of focal adhesion kinase (FAK) and ERK in MT1-MMP-expressing cancer cells, which resulted in up-regulation of p21^<WAF1> and suppression of cell growth in collagen gel. Cell proliferation was also abrogated by the inhibitor against ERK pathway without affecting FAK phosphorylation. MT1-MMP and integrin α_vβ_3 were shown to be involved in c-Src activation, which induced FAK and ERK activation in collagen gel. These MT1-MMP-mediated signal transductions were paxillin dependent, as knockdown of paxillin reduced cell growth and ERK activation, and co-expression of MT1-MMP with paxillin induced ERK activation. The results suggest that MT1-MMP contributes to proliferation of cancer cells in the extracellular matrix by activating ERK through c-Src and paxillin. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 研究課題/領域番号:20590306, 研究期間(年度):2008–2010 | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 出典:研究課題「細胞外微小環境変化と細胞運動誘導」課題番号20590306 (KAKEN:科学研究費助成事業データベース(国立情報学研究所)) (https://kaken.nii.ac.jp/report/KAKENHI-PROJECT-20590306/20590306seika/)を加工して作成 |
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著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://kaken.nii.ac.jp/search/?qm=40322119 | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-20590306/ | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://kaken.nii.ac.jp/report/KAKENHI-PROJECT-20590306/20590306seika/ |