UFMylation of NLRP3 Prevents Its Autophagic Degradation and Facilitates Inflammasome Activation.

IF 14.3 1区 材料科学 Q1 CHEMISTRY, MULTIDISCIPLINARY
Jiongjie Jing, Fan Yang, Ke Wang, Mintian Cui, Ni Kong, Shixi Wang, Xiaoyue Qiao, Fanyu Kong, Dongyang Zhao, Jinlu Ji, Lunxian Tang, Jiaxin Gao, Yu-Sheng Cong, Deqiang Ding, Kun Chen
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引用次数: 0

Abstract

NLRP3 (NOD, LRR and pyrin domain-containing protein 3) inflammasome is important for host defense against infections and maintaining homeostasis. Aberrant activation of NLRP3 inflammasome is closely related to various inflammatory diseases. Post-translational modifications are critical for NLRP3 inflammasome regulation. However, the mechanism of NLRP3 inflammasome activation remains incompletely understood. Here, it is demonstrated that the Ufm1 E3 ligase Ufl1 mediated UFMylation is essential for NLRP3 inflammasome activation. Mechanistically, Ufl1 binds and UFMylates NLRP3 in the priming stage of NLRP3 activation, thereby sustaining the stability of NLRP3 by preventing NLRP3 K63-linked ubiquitination and the subsequent autophagic degradation. It is further demonstrated that myeloid cell-specific Ufl1 or Ufm1 deficiency in mice significantly alleviated inflammatory responses and tissue damage following lipopolysaccharide (LPS)-induced endotoxemia and alum-induced peritonitis. Thus, the findings offer new insights into potential therapeutic targets for NLRP3 inflammasome-related diseases by targeting the UFMylation system.

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来源期刊
Advanced Science
Advanced Science CHEMISTRY, MULTIDISCIPLINARYNANOSCIENCE &-NANOSCIENCE & NANOTECHNOLOGY
CiteScore
18.90
自引率
2.60%
发文量
1602
审稿时长
1.9 months
期刊介绍: Advanced Science is a prestigious open access journal that focuses on interdisciplinary research in materials science, physics, chemistry, medical and life sciences, and engineering. The journal aims to promote cutting-edge research by employing a rigorous and impartial review process. It is committed to presenting research articles with the highest quality production standards, ensuring maximum accessibility of top scientific findings. With its vibrant and innovative publication platform, Advanced Science seeks to revolutionize the dissemination and organization of scientific knowledge.
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