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Calcium sensitivity of microtubules changes during the cell cycle of Xenopus laevis tadpole endothelial cells.

作者信息

Stolz B, Bereiter-Hahn J

机构信息

Cinematic Cell Research Group, J.W. Goethe-University, Frankfurt a.M., Germany.

出版信息

Cell Biol Int Rep. 1988 Apr;12(4):313-20. doi: 10.1016/0309-1651(88)90076-8.

DOI:10.1016/0309-1651(88)90076-8
PMID:3401933
Abstract

Endothelial cells derived from Xenopus tadpole hearts (XTH-2: Schlage et al. 1981) have been permeabilized for calcium using the ionophore A 23187. A Ca2+-concentration of 1 microM causes a graded disassembly of microtubules (mts): with increasing periods of incubation mts disintegrate and then depolymerize completely. The frequency of the different stages of depolymerization depends on the length of the Ca2+ incubation period, even after 60 min incubation time some mts remain. The stage of depolymerization of mts in a cell is correlated with its cell cycle phase showing the highest stability during S phase.

摘要

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