Cell migration induced by alternation of extracellular matrix microenvironment
细胞外基质微环境改变诱导细胞迁移
基本信息
- 批准号:20590306
- 负责人:
- 金额:$ 3万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (C)
- 财政年份:2008
- 资助国家:日本
- 起止时间:2008 至 2010
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
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.
1 型膜基质金属蛋白酶 (MT1-MMP) 对于肿瘤侵袭和生长至关重要,我们在此表明,MT1-MMP 会诱导胶原凝胶中培养的癌细胞的细胞外信号调节激酶 (ERK) 激活,这对于癌细胞的增殖至关重要。 MMP 抑制剂或小干扰 RNA 对 MT1-MMP 的抑制抑制了表达 MT1-MMP 的粘着斑激酶 (FAK) 和 ERK 的激活。癌细胞中 p21^<WAF1> 的上调和胶原凝胶中细胞生长的抑制也被 ERK 通路抑制剂消除,而不影响 MT1-MMP 和整合素 α_vβ_3。参与 c-Src 激活,从而诱导胶原凝胶中的 FAK 和 ERK 激活,这些 MT1-MMP 介导的信号转导是桩蛋白依赖性的,因为敲低。 paxillin 减少细胞生长和 ERK 激活,MT1-MMP 与 paxillin 共表达诱导 ERK 激活。结果表明,MT1-MMP 通过 c-Src 和 paxillin 激活 ERK,有助于细胞外基质中的癌细胞增殖。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
MT1-MMPは3次元コラーゲンゲル内でc-Src1とPaxillinを介してERK活性化と細胞増殖を亢進する
MT1-MMP 通过 3D 胶原凝胶中的 c-Src1 和 Paxillin 增强 ERK 激活和细胞增殖
- DOI:
- 发表时间:2010
- 期刊:
- 影响因子:0
- 作者:滝野隆久;堂本貴寛;佐藤博
- 通讯作者:佐藤博
Cathepsin G induces E-cadherin-mediated tight cell-cell adhesion in MCF-7 human breast cancer cells
组织蛋白酶 G 在 MCF-7 人乳腺癌细胞中诱导 E-钙粘蛋白介导的紧密细胞粘附
- DOI:
- 发表时间:2010
- 期刊:
- 影响因子:0
- 作者:T.Kudo;他5名、3番目
- 通讯作者:他5名、3番目
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TAKINO Takahisa其他文献
TAKINO Takahisa的其他文献
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{{ truncateString('TAKINO Takahisa', 18)}}的其他基金
A molecular mechanism that regulates extracellular matrix degradation and cell polarity in migrating cells.
调节迁移细胞中细胞外基质降解和细胞极性的分子机制。
- 批准号:
23590356 - 财政年份:2011
- 资助金额:
$ 3万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Analysis of a molecular mechanism by which JNK-binding proteins regulate turnover of focal adhesions and formAnalysis of a molecular mechanism by which JNK-binding proteins regulate turnover of focal adhesions and formation of cell polarity
JNK结合蛋白调节粘着斑周转和形成的分子机制分析JNK结合蛋白调节粘着斑周转和细胞极性形成的分子机制分析
- 批准号:
18590287 - 财政年份:2006
- 资助金额:
$ 3万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Analysis of regulatory mechanism for cell polarity formation by JNK binding molecules during migration
JNK结合分子迁移过程中细胞极性形成的调控机制分析
- 批准号:
16590241 - 财政年份:2004
- 资助金额:
$ 3万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
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