E3 连接酶在巨噬细胞介导的炎症中的作用
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宁波大学医学部生物化学与分子生物学系,浙江省病理生理学技术研究重点实验室,宁波 315211

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宁波大学“医学部核心课程建设“项目,国家自然科学基金(No.32270821),宁波市自然科学基金(No.2021J065),宁波大学王诚宽基金、宁波大学学生科研创新计划SRIP项目(2023SRIP1913 )


The role of E3 ligases in Macrophage-mediated inflammation
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Department of Biochemistry and Molecular Biology,Zhejiang Key Laboratory of Pathophysiology,Health Science Center,Ningbo University,Ningbo

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The Ningbo University "Medical Faculty core curriculum construction" project, the National Natural Science Foundation of China (No.32270821), the Natural Science Foundation of Ningbo (No.2021J065), The K.C.Wong Magna Fund in Ningbo University, the Student Research and Innovation Program of Ningbo University (2023SRIP1913 ).

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    摘要:

    巨噬细胞几乎存在于人体的所有器官中,负责检测组织损伤、病原体和抗体,在宿主抵御各种入侵病原体引发炎症反应的过程中发挥着关键作用。不断有研究表明巨噬细胞介导的免疫反应受到泛素-蛋白酶体系统(ubiquitin-proteasome system, UPS)的严格调控,其失调或异常激活可能是导致许多炎症的发病机制的关键原因。负责识别底物的 E3 连接酶是 UPS 中的关键酶,它包含多种亚家族蛋白,参与调控巨噬细胞介导的炎症中的一些常见信号通路,如核苷酸结合寡聚化结构域样受体(nucleotide-binding oligomerization domain-like receptors, NLRs)、维甲酸诱导基因 I 样受体家族(retinoic acid-inducible gene 1-like receptors, RLRs) 和 Toll样受体(toll-like receptors, TLRs)。在此,我们回顾了巨噬细胞介导的炎症相关 E3 连接酶的最新研究进展,并讨论了 E3 与其底物结合导致异常激活或失活的一些潜在机制。此外,我们还探讨了针对E3连接酶在巨噬细胞介导的炎症中相关的抑制剂和激动剂,展望了针对巨噬细胞介导的炎症中异常E3连接酶的靶向疗法的未来前景。

    Abstract:

    Macrophages exist in almost all organs of the body, are responsible for detecting tissue injury, pathogens and antibody, playing a key role in host defense against a variety of invading pathogens triggering inflammatory responses, and emerging evidence suggests that macrophage-mediated immune responses are efficiently regulated by the ubiquitination modification, which is responsible for normal immune responses. However, numerous studies indicates that the aberrant activation or inhibition of macrophage-mediated immune responses occurs in inflammation, mainly caused by dysregulated ubiquitination modification due to E3 ubiquitin ligases mutations or abnormal expression. Notably, E3 ubiquitin ligases, responsible for recognizing the substrates, are key enzymes in the ubiquitin-proteasome system (UPS) composed of ubiquitin (Ub), ubiquitin-activating E1 enzymes, the ubiquitin-conjugating E2 enzymes, and the E3 ubiquitin ligases, 26S proteasome, and deubiquitinating enzymes. Intriguingly, several E3 ubiquitin ligases are involved in the regulation of some common signal pathways in macrophage-mediated inflammation, including Toll-like receptors (TLRs), nucleotide-binding oligomerization domain (NOD) -like receptors (NLRs), RIG-I-like receptors (RLRs), C-type lectin receptors (CLRs) and the receptor for advanced glycation end products (RAGE). Herein, we figure out to summary the physiological and pathological roles of E3 ligases in macrophage-mediated inflammation, as well as the discussions of inhibitors and agonists targeting E3 ligases macrophage-mediated inflammation, providing the new ideas for targeted therapies in macrophage-mediated inflammation caused aberrant function of E3 ligases.

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金加孛,葛一栋,金晓锋. E3 连接酶在巨噬细胞介导的炎症中的作用[J].生物化学与生物物理进展,,():

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  • 收稿日期:2024-02-29
  • 最后修改日期:2024-04-09
  • 接受日期:2024-04-10
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