Nuclear actin dynamics - From form to function

被引:72
作者
Vartiainen, Maria K. [1 ]
机构
[1] Univ Helsinki, Inst Biotechnol, Res Program Cellular Biotechnol, Helsinki 00014, Finland
关键词
actin; nucleus; nuclear transport; actin dynamics; actin-binding protein;
D O I
10.1016/j.febslet.2008.04.010
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 [生物化学与分子生物学]; 081704 [应用化学];
摘要
Cell biological functions of actin have recently expanded from cytoplasm to nucleus, with actin implicated in such diverse processes as gene expression, transcription factor regulation and intranuclear motility. Actin in the nucleus seems to behave differently than in the cytoplasm, raising new questions regarding the molecular mechanisms by which actin functions in cells. In this review, I will discuss dynamic properties of nuclear actin that are related to its polymerization cycle and nucleocytoplasmic shuttling. By comparing the behaviour of nuclear and cytoplasmic actin and their regulators, I try to dissect the underlying differences of these equally important cellular actin pools. (C) 2008 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码:2033 / 2040
页数:8
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