Cell entry and release of quasi-enveloped human hepatitis viruses

文献类型： 外文期刊

第一作者： Das, Anshuman

作者： Das, Anshuman;Rivera-Serrano, Efrain E.;Lemon, Stanley M.;Yin, Xin;Walker, Christopher M.;Feng, Zongdi;Walker, Christopher M.;Feng, Zongdi;Lemon, Stanley M.;Lemon, Stanley M.;Das, Anshuman;Rivera-Serrano, Efrain E.;Yin, Xin

作者机构：

期刊名称：NATURE REVIEWS MICROBIOLOGY （ 影响因子：88.1； 五年影响因子：79.1 ）

ISSN： 1740-1526

年卷期： 2023 年 21 卷 9 期

页码：

收录情况： SCI

摘要： In this Review, Lemon and colleagues describe quasi-enveloped virions, how they enter and how they are released from the human host cell, and how they affect host immunity and pathogenesis. Infectious hepatitis type A and type E are caused by phylogenetically distinct single-stranded, positive-sense RNA viruses that were once considered to be non-enveloped. However, studies show that both are released nonlytically from hepatocytes as 'quasi-enveloped' virions cloaked in host membranes. These virion types predominate in the blood of infected individuals and mediate virus spread within the liver. They lack virally encoded proteins on their surface and are resistant to neutralizing anti-capsid antibodies induced by infection, yet they efficiently enter cells and initiate new rounds of virus replication. In this Review, we discuss the mechanisms by which specific peptide sequences in the capsids of these quasi-enveloped virions mediate their endosomal sorting complexes required for transport (ESCRT)-dependent release from hepatocytes through multivesicular endosomes, what is known about how they enter cells, and the impact of capsid quasi-envelopment on host immunity and pathogenesis.

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