Journal
PLOS ONE
Volume 3, Issue 4, Pages -Publisher
PUBLIC LIBRARY SCIENCE
DOI: 10.1371/journal.pone.0001868
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Funding
- Canadian Institute for Health Research
- MDAUSA
- Premier's Research for Excellence Award
- Canadian Heart and Stroke Foundation Fellowship
- Canadian Breast Cancer Foundation
- CIHR scholar award
- OGSST
- NSERC [studentship]
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Cell migration involves a multitude of signals that converge on cytoskeletal reorganization, essential for development, immune responses and tissue repair. Using knockdown and dominant negative approaches, we show that the microtubule-associated Ste20-like kinase SLK is required for focal adhesion turnover and cell migration downstream of the FAK/c-src complex. Our results show that SLK co-localizes with paxillin, Rac1 and the microtubules at the leading edge of migrating cells and is activated by scratch wounding. SLK activation is dependent on FAK/c-src/MAPK signaling, whereas SLK recruitment to the leading edge is src-dependent but FAK independent. Our results show that SLK represents a novel focal adhesion disassembly signal.
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