磷脂酰肌醇-4,5-二磷酸调控细胞迁移的研究进展
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首都儿科研究所,儿童发育营养组学北京市重点实验室,北京 100020

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国家自然科学基金(81571443),国家重点基础研究发展计划(973)( 2013CB945404)和北京市自然科学基金(7172038,7174285) 资助项目.


Research Advances in The Mechanism of Phosphatidylinositol-4,5-diphosphate Regulate Cell Migration
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Department of Biotechnology, Beijing Municipal Key Laboratory of Child Development and Nutriomics,Capital Institute of Pediatrics,Beijing 100020, China

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This work was supported by grants from The National Natural Science Foundation of China (81571443), National Basic Research Program of China (2013CB945404) and Beijing Natural Science Foundation (7172038, 7174285).

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    摘要:

    磷脂酰肌醇-4,5-二磷酸(phosphatidylinositol-4,5-bisphosphate,PIP2)是细胞膜上一种重要的磷脂酰肌醇,通过作为第二信使前体及自身信号分子的作用,控制其效应物的靶向定位和活性从而调节细胞迁移、囊泡运输、细胞形态发生、信号传导等过程. 细胞迁移异常会导致人类多种疾病包括神经发育异常、阿尔茨海默病、癌症和纤毛疾病等. 作为细胞骨架的调节剂,PIP2在细胞迁移的关键作用已经被广泛证实,本文将从由PIP5KIs介导的PIP2产生与踝蛋白、Rho家族小GTP酶等效应物关联调节黏附作用和肌动蛋白聚合的角度,讨论PIP2在细胞迁移中发挥作用的具体机制.

    Abstract:

    Phosphatidylinositol-4, 5-bisphosphate (PIP2) is an important phosphatidylinositol on the cell membrane. By acting as a second messenger precursor and self-signaling molecule, it controls the targeted localization and activity of its effectors to regulate cells migration, vesicle transport, cell morphogenesis, signal transduction and other processes. Abnormal cell migration leads to a variety of human diseases in humans, including neurodevelopmental abnormalities, Alzheimer"s disease, cancer and cilia disease. As the regulator of cytoskeleton, the pivotal role of PIP2 in cell migration has been widely confirmed. This review will discuss the specific mechanism of the role of PIP2 in cell migration from the point of PIP2 mediated by PIP5KIs associated with talin, Rho family small GTPases and other effectors to regulate adhesion and actin polymerization.

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李莘,牛勃,王建华.磷脂酰肌醇-4,5-二磷酸调控细胞迁移的研究进展[J].生物化学与生物物理进展,2019,46(2):121-127

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历史
  • 收稿日期:2018-06-03
  • 最后修改日期:2018-12-26
  • 接受日期:2018-11-20
  • 在线发布日期: 2018-12-28
  • 出版日期: 2019-02-20