期刊
FRONTIERS IN MICROBIOLOGY
卷 12, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fmicb.2021.744348
关键词
antiviral signal transduction; immune homeostasis; mitochondrial antiviral signaling protein; post-translational modification; viral evasion
类别
资金
- National Key Research and Development Program of China [2018YFA0900404]
- National Natural Science Foundation of China [31870864]
- Fundamental Research Funds for the Provincial Universities of Zhejiang [RF-B2020003]
- Zhejiang Provincial Natural Science Foundation of China [LY20C080003]
MAVS functions as a crucial switch in immune signal transduction against RNA viruses, forming aggregates upon viral infection to activate interferon signaling and maintain immune homeostasis. Viruses and hosts target MAVS for regulation, with researchers focusing on post-translational modifications like ubiquitination and phosphorylation.
Mitochondrial antiviral signaling protein (MAVS) functions as a switch in the immune signal transduction against most RNA viruses. Upon viral infection, MAVS forms prion-like aggregates by receiving the cytosolic RNA sensor retinoic acid-inducible gene I-activated signaling and further activates/switches on the type I interferon signaling. While under resting state, MAVS is prevented from spontaneously aggregating to switch off the signal transduction and maintain immune homeostasis. Due to the dual role in antiviral signal transduction and immune homeostasis, MAVS has emerged as the central regulation target by both viruses and hosts. Recently, researchers show increasing interest in viral evasion strategies and immune homeostasis regulations targeting MAVS, especially focusing on the post-translational modifications of MAVS, such as ubiquitination and phosphorylation. This review summarizes the regulations of MAVS in antiviral innate immune signaling transduction and immune homeostasis maintenance.
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