期刊
CURRENT OPINION IN CELL BIOLOGY
卷 15, 期 1, 页码 40-47出版社
CURRENT BIOLOGY LTD
DOI: 10.1016/S0955-0674(02)00008-X
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Cell movement is driven by the regulated and polarised turnover of the actin cytoskeleton and of the adhesion complexes that link it to the extracellular matrix. For most cells, polarisation requires the engagement of microtubules, which exert their effect by mediating changes in the activity of the Rho GTPases. Evidence suggests that these changes are effected in a very localised fashion at sites of substrate adhesion, via specific microtubule-targeting interactions. Targeting serves to bring molecular complexes bound at the tips and along microtubules in close proximity with adhesion complexes, to promote adhesion disassembly and remodelling of the actin cytoskeleton.
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