USP12 promotes CD4(+) T cell responses through deubiquitinating and stabilizing BCL10.

USP12 promotes CD4(+) T cell responses through deubiquitinating and stabilizing BCL10.
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USP12 通过去泛素化和稳定 BCL10 来促进 CD4(+) T 细胞反应。

DOI:
10.1038/s41418-021-00787-y
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发表时间:
2021-10
影响因子:
12.4
通讯作者:
Hu S
Hu S
中科院分区:
生物学1区
文献类型:
--
作者:
Fu Y;Wang P;Zhao J;Tan Y;Sheng J;He S;Du X;Huang Y;Yang Y;Li J;Cai Y;Liu Y;Hu S

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去泛素酶(DUBS)调节多种生物学过程,代表着一类新的药物靶点。然而,只有一小部分DUB的生物学功能,特别是在适应性免疫反应调节中的功能,是明确的。在这项研究中,我们确定了DUSP12(USP12)是CD4+T细胞活化的关键调节因子。USP12在促进CD4+T细胞表型,包括分化、激活和增殖方面发挥着内在的作用。尽管USP12缺陷的CD4+T细胞保护小鼠免受自身免疫性疾病的侵袭,但对细菌感染的免疫反应却很弱。USP12通过去泛素化稳定B细胞淋巴瘤/白血病10(Bcl10),从而激活了NF-κB信号通路。有趣的是,这种USP12调节机制在CD4+T细胞中被发现,但在CD8+T细胞中没有。我们的研究结果表明,USP12激活了CD4+T细胞信号,靶向USP12可能有助于开发治疗炎症性疾病或病原体感染的干预措施。
Deubiquitinases (DUBs) regulate diverse biological processes and represent a novel class of drug targets. However, the biological function of only a small fraction of DUBs, especially in adaptive immune response regulation, is well-defined. In this study, we identified DUB ubiquitin-specific peptidase 12 (USP12) as a critical regulator of CD4+ T cell activation. USP12 plays an intrinsic role in promoting the CD4+ T cell phenotype, including differentiation, activation, and proliferation. Although USP12-deficient CD4+ T cells protected mice from autoimmune diseases, the immune response against bacterial infection was subdued. USP12 stabilized B cell lymphoma/leukemia 10 (BCL10) by deubiquitinating, and thereby activated the NF-κB signaling pathway. Interestingly, this USP12 regulatory mechanism was identified in CD4+ T cells, but not in CD8+ T cells. Our study results showed that USP12 activated CD4+ T cell signaling, and targeting USP12 might help develop therapeutic interventions for treating inflammatory diseases or pathogen infections.
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