Journal
CELLS
Volume 9, Issue 6, Pages -Publisher
MDPI
DOI: 10.3390/cells9061351
Keywords
microtubule; actin; actomyosin; dynein; micropatterned substrate; basal-apical; planar polarity; aster; cilia; tissue in situ
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Funding
- Russian Foundation for Basic Research [18-04-00742]
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Centrosomes have a nonrandom localization in the cells: either they occupy the centroid of the zone free of the actomyosin cortex or they are shifted to the edge of the cell, where their presence is justified from a functional point of view, for example, to organize additional microtubules or primary cilia. This review discusses centrosome placement options in cultured and in situ cells. It has been proven that the central arrangement of centrosomes is due mainly to the pulling microtubules forces developed by dynein located on the cell cortex and intracellular vesicles. The pushing forces from dynamic microtubules and actomyosin also contribute, although the molecular mechanisms of their action have not yet been elucidated. Centrosomal displacement is caused by external cues, depending on signaling, and is drawn through the redistribution of dynein, the asymmetrization of microtubules through the capture of their plus ends, and the redistribution of actomyosin, which, in turn, is associated with basal-apical cell polarization.
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