期刊
MICROBIOLOGY AND MOLECULAR BIOLOGY REVIEWS
卷 85, 期 4, 页码 -出版社
AMER SOC MICROBIOLOGY
DOI: 10.1128/MMBR.00035-21
关键词
ER chaperone; GRP78; GRP94; calnexin; calreticulin; protein disulfide isomerase; DNAJ; viral infection
类别
资金
- Investissements d'Avenir (LabEX LipSTIC) [ANR-11-LABX-0021]
- ISITE-BFC [ANR-15IDEX-0003]
- Conseil Regional de Bourgogne-Franche-Comte
- European Union program FEDER
During viral infection, ER chaperones play crucial roles in the folding and quality control of viral proteins, particularly viral glycoproteins. Viruses hijack ER chaperones at various stages of their infection cycle and to evade immune responses and prevent apoptosis. The development of broad-spectrum antiviral drugs may target these chaperones for therapeutic intervention.
Viruses are intracellular parasites that subvert the functions of their host cells to accomplish their infection cycle. The endoplasmic reticulum (ER)-residing chaperone proteins are central for the achievement of different steps of the viral cycle, from entry and replication to assembly and exit. The most abundant ER chaperones are GRP78 (78-kDa glucose-regulated protein), GRP94 (94-kDa glucose-regulated protein), the carbohydrate or lectin-like chaperones calnexin (CNX) and calreticulin (CRT), the protein disulfide isomerases (PDIs), and the DNAJ chaperones. This review will focus on the pleiotropic roles of ER chaperones during viral infection. We will cover their essential role in the folding and quality control of viral proteins, notably viral glycoproteins which play a major role in host cell infection. We will also describe how viruses co-opt ER chaperones at various steps of their infectious cycle but also in order to evade immune responses and avoid apoptosis. Finally, we will discuss the different molecules targeting these chaperones and the perspectives in the development of broad-spectrum antiviral drugs.
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