TRIM41 is required to innate antiviral response by polyubiquitinating BCL10 and recruiting NEMO.

TRIM41 is required to innate antiviral response by polyubiquitinating BCL10 and recruiting NEMO.
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DOI:
10.1038/s41392-021-00477-8
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发表时间:
2021-02-28
影响因子:
39.3
通讯作者:
Cao X
Cao X
中科院分区:
医学1区
文献类型:
--
作者:
Yu Z;Li X;Yang M;Huang J;Fang Q;Jia J;Li Z;Gu Y;Chen T;Cao X

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模式识别受体(PRR)对病原性核酸的感知不仅启动了抗微生物防御,还导致了炎症和自身免疫性疾病。E3泛素连接酶在先天反应中起关键作用,需要进一步鉴定。在这里,我们报告了三重基序的E3泛素连接酶TRIM 41是通过促进病原性核酸触发的信号通路所需的先天性抗病毒反应。TRIM 41缺陷损害了用核酸模拟物转染和用DNA和RNA病毒感染后巨噬细胞中炎性细胞因子和I型干扰素的产生。在体内,TRIM 41缺陷导致针对病毒的先天性应答受损。TRIM 41直接与BCL 10(B细胞淋巴瘤10)(CARD蛋白-BCL 10-MALT 1(CBM)复合物的核心组分)相互作用,并修饰BCL 10的Lys 63连接的多泛素化,进而调节NEMO激活NF-κB和TANK结合激酶1(TBK 1)-干扰素调节因子3(IRF 3)途径。我们的研究表明,TRIM 41是潜在的通用E3泛素连接酶负责在先天性抗病毒反应的BCL 10的Lys 63连接,增加了新的见解的分子机制控制先天性抗病毒反应。
Sensing of pathogenic nucleic acids by pattern recognition receptors (PRR) not only initiates anti-microbe defense but causes inflammatory and autoimmune diseases. E3 ubiquitin ligase(s) critical in innate response need to be further identified. Here we report that the tripartite motif-containing E3 ubiquitin ligase TRIM41 is required to innate antiviral response through facilitating pathogenic nucleic acids-triggered signaling pathway. TRIM41 deficiency impairs the production of inflammatory cytokines and type I interferons in macrophages after transfection with nucleic acid-mimics and infection with both DNA and RNA viruses. In vivo, TRIM41 deficiency leads to impaired innate response against viruses. Mechanistically, TRIM41 directly interacts with BCL10 (B cell lymphoma 10), a core component of CARD proteins−BCL10 − MALT1 (CBM) complex, and modifies the Lys63-linked polyubiquitylation of BCL10, which, in turn, hubs NEMO for activation of NF-κB and TANK-binding kinase 1 (TBK1) − interferon regulatory factor 3 (IRF3) pathways. Our study suggests that TRIM41 is the potential universal E3 ubiquitin ligase responsible for Lys63 linkage of BCL10 during innate antiviral response, adding new insight into the molecular mechanism for the control of innate antiviral response.
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