Microtubules growth rate alteration in human endothelial cells.
Microtubules growth rate alteration in human endothelial cells.
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DOI:
10.1155/2010/671536
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发表时间:
2010
影响因子:
--
通讯作者:
Verin AD
中科院分区:
文献类型:
--
作者:
Alieva IB;Zemskov EA;Kireev II;Gorshkov BA;Wiseman DA;Black SM;Verin AD
To understand how microtubules contribute to the dynamic reorganization of the endothelial cell (EC) cytoskeleton, we established an EC model expressing EB3-GFP, a protein that marks microtubule plus-ends. Using this model, we were able to measure microtubule growth rate at the centrosome region and near the cell periphery of a single human EC and in the EC monolayer. We demonstrate that the majority of microtubules in EC are dynamic, the growth rate of their plus-ends is highest in the internal cytoplasm, in the region of the centrosome. Growth rate of microtubule plus-ends decreases from the cell center toward the periphery. Our data suggest the existing mechanism(s) of local regulation of microtubule plus-ends growth in EC. Microtubule growth rate in the internal cytoplasm of EC in the monolayer is lower than that of single EC suggesting the regulatory effect of cell-cell contacts. Centrosomal microtubule growth rate distribution in single EC indicated the presence of two subpopulations of microtubules with “normal” (similar to those in monolayer EC) and “fast” (three times as much) growth rates. Our results indicate functional interactions between cell-cell contacts and microtubules.
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影响因子:
2.1
作者:
Lum, H;Malik, AB
通讯作者:
Malik, AB
影响因子:
64.5
作者:
Akhmanova, A;Hoogenraad, CC;Galjart, N
通讯作者:
Galjart, N
影响因子:
3.3
作者:
Mary, S;Charrasse, S;Gauthier-Rouvière, C
通讯作者:
Gauthier-Rouvière, C
影响因子:
4.8
作者:
Birukova, AA;Birukov, KG;Verin, AD
通讯作者:
Verin, AD
影响因子:
5.6
作者:
Birukova, AA;Smurova, K;Verin, AD
通讯作者:
Verin, AD