蛋白质翻译后修饰SUMOylation在肿瘤微环境中的功能作用
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1)昆明理工大学医学院,昆明 650031;2)云南大学医学院,昆明 650091

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云南省科技厅基础研究计划 (202101BE070001-004) 和国家自 然科学基金(82260461) 资助项目。


The Functional Role of SUMOylation in The Tumor Microenvironment
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Affiliation:

1)Medical School, Kunming University of Science and Technology, Kunming 650031, China;2)Medical School, Yunnan University, Kunming 650091, China

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This work was supported by grants from Basic Research Program of Science and Technology Department of Yunnan Province (202101BE070001-004) and The National Natural Science Foundation of China (82260461).

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    摘要:

    目前肿瘤仍然是人类生存中无法克服的一大难题,治疗方案多种多样,但还未找到一种行之有效的方法。随着越来越多的研究发现,人们把治疗肿瘤的目光投向了一种新的领域——肿瘤微环境(tumor microenvironment,TME),指癌细胞周围各种基质细胞的动态和复杂的环境。TME是宿主免疫系统和肿瘤之间的关键交互区域,TME内的细胞相互影响并与癌细胞相互作用以影响癌细胞的侵袭、肿瘤的生长和转移,是治疗癌症的一个全新的方向。在TME复杂的环境中,蛋白质的翻译后修饰(post-translational modification,PTMs)被证明在TME中发挥着重要的作用。PTMs通过调节蛋白质的结构、空间定位和相互作用调控其功能。在PTMs中有一种可逆的翻译后修饰被称为SUMOylation,是通过小泛素样修饰物(small ubiquitin-like modifier,SUMO)靶向赖氨酸残基修饰的翻译后修饰,是细胞过程中普遍存在的调控机制。SUMOylation广泛参与致癌、DNA损伤反应、癌细胞增殖、转移和凋亡,在TME中发挥举足轻重的作用。本综述旨在总结蛋白质的SUMOylation动态修饰对多种免疫细胞的影响,从而探究其在TME中发挥的作用。

    Abstract:

    Tumors continue to be a major challenge in human survival that we have yet to overcome. Despite the variety of treatment options available, we have not yet found an effective method. As more and more research is conducted, attention has been turned to a new field for tumor treatment—the tumor microenvironment (TME). This is a dynamic and complex environment consisting of various matrix cells surrounding cancer cells, including surrounding immune cells, blood vessels, extracellular matrix, fibroblasts, bone marrow-derived inflammatory cells, signaling molecules, and some specific cell types. Firstly, endothelial cells play a key role in tumor development and the immune system’s protection of tumor cells. Secondly, immune cells, such as macrophages, Treg cells, Th17 cells, are widely involved in various immune responses and activities in the human body, such as inflammation responses promoting survival carefully orchestrated by the tumor. Even though many studies have extensively researched the TME and found many research schemes, so far, no key effective method has been found to treat tumors by affecting the TME. The TME is a key interaction area between the host immune system and the tumor. Cells within the TME influence each other and interact with cancer cells to affect cancer cell invasion, tumor growth, and metastasis. This is a new direction for cancer treatment. In the complex environment of the TME, post-translational modifications (PTMs) of proteins have been proven to play an important role in the TME. PTMs are dynamic, strictly regulated changes to proteins that control their function by regulating their structure, spatial location, and interaction. Among PTMs, a reversible post-translational modification called SUMOylation is a common regulatory mechanism in cellular processes. It is a post-translational modification that targets lysine residues with a small ubiquitin-like modifier (SUMO) in a reversible post-translational modification manner. SUMOylation is widely involved in carcinogenesis, DNA damage response, cancer cell proliferation, metastasis, and apoptosis, playing a pivotal role in the TME, such as DNA damage repair, tumor metastasis, and also participates in immune cell differentiation, activation, and inhibition of immune cells. On the other hand, SUMO or sentrin-specific protease (SENP) inhibitors can interfere with the SUMOylation process, thereby affecting many biological processes, including immune response, carcinogenesis, cell cycle progression, and cell apoptosis, etc. In summary, this review aims to introduce the dynamic modification of protein SUMOylation on various immune cells and the application of various inhibitors, thereby exploring its role in the TME. This is a challenging but hopeful field, and we look forward to future research that can bring more breakthroughs. In conclusion, the TME is a complex and dynamic environment that plays a crucial role in the development and progression of tumors. Understanding the intricate interactions within the TME and the role of PTMs, particularly SUMOylation, could provide valuable insights into the mechanisms of tumor development and potentially lead to the development of novel therapeutic strategies. The study of SUMOylation and its effects on various immune cells in the TME is an exciting and promising area of research that could significantly advance our understanding of tumor biology and potentially lead to the development of more effective treatments for cancer. This is a challenging but hopeful field, and we look forward to future research that can bring more breakthroughs.

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赵盼盼,余俊旭,车亚宁,梁慧仪,黄超.蛋白质翻译后修饰SUMOylation在肿瘤微环境中的功能作用[J].生物化学与生物物理进展,2024,51(6):1256-1268

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历史
  • 收稿日期:2023-08-14
  • 最后修改日期:2024-05-23
  • 接受日期:2023-11-22
  • 在线发布日期: 2024-06-25
  • 出版日期: 2024-06-20