Matrix proteolysis mediated by MT1-MMP facilitates the invasive migration of tumor cells in dense tissues, which otherwise get trapped in the matrix because of limited nuclear deformability. A digest-on-demand response has been identified, which requires nucleus-microtubule linkage through the LINC complex and triggers MT1-MMP surface-exposure to facilitate nucleus movement.
Keywords: LINC complex; MT1-MMP; centrosome; invadopodia; microtubule; tumor invasion.
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