LIM激酶与肿瘤

被引：22

作者：

马艳华

史玲

苏琦

机构：

[1] 南华大学肿瘤研究所

来源：

国际病理科学与临床杂志 | 2009年 / 29卷 / 06期

基金：

湖南省自然科学基金;

关键词：

LIM激酶; cofilin蛋白; Slingshot磷酸酶; 迁移; 侵袭;

D O I：

暂无

中图分类号：

R730.2 [肿瘤病理学、病因学];

学科分类号：

100214 [肿瘤学];

摘要：

LIM激酶(LIM kinase,LIMK)家族主要有两个成员:LIMK1和LIMK2,它们在癌症的侵袭和迁移过程中起着重要的作用。其通过调节cofilin家族蛋白的活性而影响肌动蛋白细胞骨架结构,对细胞形态、运动、黏附以及迁移都至关重要。LIMK对cofilin蛋白磷酸化与去磷酸化间的平衡进行微调节可能是影响肿瘤细胞迁移侵袭能力的决定性因素。LIMK受多条上游信号通路调控,主要上游信号分子是RhoGTP酶和Slingshot磷酸酶,形成Rho-ROCK/PAK-LIMK-Cofilin和SSH-LIMK-Cofilin信号通路。LIMK分布广泛并对多种组织的正常发育必不可少,在多种肿瘤组织中高表达并参与肿瘤生长、血管形成以及迁移侵袭过程。本文综述了LIMK的结构、功能、组织表达,参与肿瘤细胞迁移侵袭的机制以及信号通路的调控。

引用

页码：490 / 494

页数：5

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