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研究进展

mTOR信号通路关键蛋白4E-BP1S6K1对抑郁症的调控作用研究进展

  • 李家华 ,
  • 田旭升
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  • 1.黑龙江中医药大学研究生院,黑龙江 哈尔滨 150040;
    2.黑龙江中医药大学第一临床医学院,黑龙江 哈尔滨 150040
李家华,男,在读硕士,研究方向:中医药干预精神、心理疾病的基础研究

收稿日期: 2025-10-13

  修回日期: 2025-12-05

  录用日期: 2026-05-26

  网络出版日期: 2026-05-26

基金资助

黑龙江省中医药科研项目(ZHY2023-143);黑龙江省自然科学基金(H2018057)

Advances in the Study of the Regulatory Roles of mTOR Signaling Pathway Proteins 4E-BP1 and S6K1 in Depression

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  • 1.Graduate School Heilongjiang University of Chinese Medicine Heilongjiang Harbin 150040, China
    2.The First Clinical Medical College Heilongjiang University of Chinese Medicine Heilongjiang Harbin 150040, China

Received date: 2025-10-13

  Revised date: 2025-12-05

  Accepted date: 2026-05-26

  Online published: 2026-05-26

摘要

 哺乳动物雷帕霉素靶蛋白(mammalian target of rapamycinmTOR)信号通路作为一个关键的信号传导通路,其下游效应分子4E-BP1eIF4E结合蛋白1)和S6K1(核糖体蛋白S6激酶1)在抑郁症的神经发生、突触重塑及抗抑郁治疗中发挥重要作用。本研究从抑郁症的病理机制出发,结合现代分子生物学的研究,梳理了mTOR信号通路以及其下游效应分子4E-BP1S6K1在抑郁症中的关系:当抑郁症发生时,mTOR信号通路被激活,激活的mTORC1磷酸化4E-BP1,使其与eIF4E的结合能力减弱,释放eIF4E,促进翻译起始,增加蛋白质的合成;被mTORC1磷酸化的S6K1则通过磷酸化核糖体蛋白S6rpS6)等底物,促进核糖体的生物合成和蛋白质翻译。阐明二者在抑郁症发展过程中的作用,深化对抑郁症分子机制的理解,为抑郁症的临床治疗提供思路。


本文引用格式

李家华 , 田旭升 .

mTOR信号通路关键蛋白4E-BP1S6K1对抑郁症的调控作用研究进展

[J]. 中国医药导刊, 2026 , 28(4) : 414 -414-421 . DOI: 10.1009-0959.2026.020016

Abstract

The mammalian target of rapamycin mTOR signaling pathway is a critical conduit for cellular information. Its downstream effectors 4E-BP1 eIF4E-binding protein 1 and S6K1 ribosomal protein S6 kinase 1 play pivotal roles in neurogenesis synaptic remodeling and antidepressant responses in major depressive disorder. Beginning with the pathological mechanisms of depression and integrating contemporary molecular-biology findings this review maps the relationship between the mTOR pathway and its effectors 4E-BP1 and S6K1. In the depressive state mTOR signaling is activated mTORC1 phosphorylates 4E-BP1 weakening its affinity for eIF4E thereby releasing eIF4E to facilitate translation initiation and enhance protein synthesis. Concurrently mTORC1-phosphorylated S6K1 phosphorylates substrates such as ribosomal protein S6 rpS6), promoting ribosome biogenesis and translational capacity. Elucidating the coordinated actions of 4E-BP1 and S6K1 during depression deepens the molecular understanding of the disease and may inspire novel therapeutic strategies.

 

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