Innate immune evasion mediated by picornaviral 3C protease: Possible lessons for coronaviral 3C‐like protease?

逃避(道德) 蛋白酶 病毒学 先天免疫系统 生物 免疫系统 免疫学 生物化学
作者
Chen Seng Ng,Christopher C. Stobart,Honglin Luo
出处
期刊:Reviews in Medical Virology [Wiley]
卷期号:31 (5): 1-22 被引量:20
标识
DOI:10.1002/rmv.2206
摘要

Severe acute respiratory syndrome coronavirus-2 is the etiological agent of the ongoing pandemic of coronavirus disease-2019, a multi-organ disease that has triggered an unprecedented global health and economic crisis. The virally encoded 3C-like protease (3CLpro ), which is named after picornaviral 3C protease (3Cpro ) due to their similarities in substrate recognition and enzymatic activity, is essential for viral replication and has been considered as the primary drug target. However, information regarding the cellular substrates of 3CLpro and its interaction with the host remains scarce, though recent work has begun to shape our understanding more clearly. Here we summarized and compared the mechanisms by which picornaviruses and coronaviruses have evolved to evade innate immune surveillance, with a focus on the established role of 3Cpro in this process. Through this comparison, we hope to highlight the potential action and mechanisms that are conserved and shared between 3Cpro and 3CLpro . In this review, we also briefly discussed current advances in the development of broad-spectrum antivirals targeting both 3Cpro and 3CLpro .

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