Decoding MTSS2 phosphoregulation: its role in cytoskeletal dynamics and clinical implications.

IF 2.7 3区 生物学 Q3 CELL BIOLOGY
Protoplasma Pub Date : 2026-09-01 Epub Date: 2026-04-15 DOI:10.1007/s00709-026-02195-w
Jishna Vijayan, Suhail Subair, Althaf Mahin, Athira Perunelly Gopalakrishnan, Alimath Sambreena, Athira C Rajeev, Rajesh Raju
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引用次数: 0
解码MTSS2磷酸化调控:其在细胞骨架动力学中的作用和临床意义。
MTSS2是一种主要表达于大脑的蛋白,在细胞骨架重塑、突触可塑性和神经发育过程中起着关键作用,但对其磷酸化调控过程的研究并不多。在这里,我们展示了MTSS2的全景磷蛋白组学图谱,整合了全球人类数据集,绘制了内在无序区域富集的主要磷位点(S456, S579, S601, S612),这些区域可能是肌动蛋白-膜相互作用的调节中心。共磷酸化调节网络分析显示,其与细胞骨架效应物(如PLEC、MYH9、FHOD1)和Rho/Cdc42调节物(CDC42EP3/4)之间存在高可信度的关联,形成了丝状伪足动力学和膜曲率的协调支架。计算预测发现MARK2、PAK1/2和PRKCD是上游激酶,靶向这些位点,将MTSS2嵌入极性、迁移和凋亡途径中。在临床上,S612过度磷酸化与胶质瘤和乳腺癌的进展相关,提示致癌的再用途,而磷酸化的改变可能导致mtss2相关的神经发育障碍(NDD)。这一磷酸化景观阐明了MTSS2作为神经元结构和肿瘤抑制的可调整合者,为细胞骨架疾病提名磷酸化特异性干预。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Protoplasma
Protoplasma 生物-细胞生物学
CiteScore
6.60
自引率
6.90%
发文量
99
审稿时长
4-8 weeks
期刊介绍: Protoplasma publishes original papers, short communications and review articles which are of interest to cell biology in all its scientific and applied aspects. We seek contributions dealing with plants and animals but also prokaryotes, protists and fungi, from the following fields: cell biology of both single and multicellular organisms molecular cytology the cell cycle membrane biology including biogenesis, dynamics, energetics and electrophysiology inter- and intracellular transport the cytoskeleton organelles experimental and quantitative ultrastructure cyto- and histochemistry Further, conceptual contributions such as new models or discoveries at the cutting edge of cell biology research will be published under the headings "New Ideas in Cell Biology".
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