Journal
CYTOSKELETON
Volume 73, Issue 2, Pages 83-92Publisher
WILEY-BLACKWELL
DOI: 10.1002/cm.21276
Keywords
SLK; LOSK; cell motility; RhoA; dynactin; microtubules
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Funding
- RFBR [12-04-31689, 14-04-01729]
- German Academic-Exchange Service (DAAD) under Moscow University
- German Academic-Exchange Service (DAAD) under Rostock University
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Cell motility is an essential complex process that requires actin and microtubule cytoskeleton reorganization and polarization. Such extensive rearrangement is closely related to cell polarization as a whole. The serine/threonine kinase SLK/LOSK is a potential regulator of cell motility, as it phosphorylates a series of cytoskeleton-bound proteins that collectively participate in the remodeling of migratory cell architecture. In this work, we report that SLK/LOSK is an indispensable regulator of cell locomotion that primarily acts through the small GTPase RhoA and the dynactin subunit p150(Glued). Both RhoA and dynactin affect cytoskeleton organization, polarization, and general cell locomotory activity to various extents. However, it seems that these events are independent of each other. Thus, SLK/LOSK kinase effectively functions as a switch that links all of the processes underlying cell motility to provide robust directional movement. (c) 2016 Wiley Periodicals, Inc.
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