肌动蛋白机制参与程序性细胞死亡。

Involvement of the Actin Machinery in Programmed Cell Death.

作者信息

Ren Weida, Zhao Wanyu, Cao Lingbo, Huang Junqi

机构信息

Key Laboratory for Regenerative Medicine, Ministry of Education, College of Life Science and Technology, Jinan University, Guangzhou, China.

出版信息

Front Cell Dev Biol. 2021 Feb 9;8:634849. doi: 10.3389/fcell.2020.634849. eCollection 2020.

Abstract

Programmed cell death (PCD) depicts a genetically encoded and an orderly mode of cellular mortality. When triggered by internal or external stimuli, cells initiate PCDs through evolutionary conserved regulatory mechanisms. Actin, as a multifunctional cytoskeleton protein that forms microfilament, its integrity and dynamics are essential for a variety of cellular processes (e.g., morphogenesis, membrane blebbing and intracellular transport). Decades of work have broadened our knowledge about different types of PCDs and their distinguished signaling pathways. However, an ever-increasing pool of evidences indicate that the delicate relationship between PCDs and the actin cytoskeleton is beginning to be elucidated. The purpose of this article is to review the current understanding of the relationships between different PCDs and the actin machinery (actin, actin-binding proteins and proteins involved in different actin signaling pathways), in the hope that this attempt can shed light on ensuing studies and the development of new therapeutic strategies.

摘要

程序性细胞死亡(PCD)描述了一种由基因编码的、有序的细胞死亡模式。当受到内部或外部刺激触发时,细胞通过进化保守的调控机制启动程序性细胞死亡。肌动蛋白作为一种形成微丝的多功能细胞骨架蛋白,其完整性和动态变化对于多种细胞过程(如形态发生、膜泡化和细胞内运输)至关重要。数十年来的研究拓宽了我们对不同类型程序性细胞死亡及其独特信号通路的认识。然而,越来越多的证据表明,程序性细胞死亡与肌动蛋白细胞骨架之间的微妙关系正开始得到阐明。本文旨在综述目前对不同程序性细胞死亡与肌动蛋白机制(肌动蛋白、肌动蛋白结合蛋白以及参与不同肌动蛋白信号通路的蛋白质)之间关系的理解,希望这一尝试能够为后续研究及新治疗策略的开发提供启示。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/624e/7900405/c64aa88866a5/fcell-08-634849-g0001.jpg

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