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SLK/LOSK kinase regulates cell motility independently of microtubule organization and Golgi polarization

机译:SLK / LOSK激酶独立于微管组织和高尔基极化调节细胞运动

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摘要

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.
机译:细胞运动是必需的复杂过程,需要肌动蛋白和微管细胞骨架的重组和极化。如此广泛的重排与整个细胞极化密切相关。丝氨酸/苏氨酸激酶SLK / LOSK是细胞运动的潜在调节剂,因为它使一系列细胞骨架结合蛋白磷酸化,这些蛋白共同参与迁移细胞结构的重塑。在这项工作中,我们报道SLK / LOSK是细胞运动的必不可少的调节剂,其主要通过小的GTPase RhoA和dynactin亚基p150(胶合)起作用。 RhoA和dynactin都在不同程度上影响细胞骨架的组织,极化和一般的细胞运动活性。但是,这些事件似乎是相互独立的。因此,SLK / LOSK激酶有效地充当了一个开关,该开关链接了细胞运动的所有过程,以提供强大的方向性运动。 (c)2016年威利期刊有限公司

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