Viral entry mechanisms: cellular and viral mediators of herpes simplex virus entry.

Viral entry mechanisms: cellular and viral mediators of herpes simplex virus entry.
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DOI:
10.1111/j.1742-4658.2009.07402.x
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发表时间:
2009-12
期刊:
The FEBS journal
影响因子:
--
通讯作者:
Shukla D
Shukla D
中科院分区:
其他
文献类型:
--
作者:
Akhtar J;Shukla D

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1型单纯疱疹病毒(HSV-1)和2型单纯疱疹病毒(HSV-2)是高度流行的人类病原体,可导致终身感染。当病毒粒子结合宿主细胞表面的硫酸肝素部分时,感染过程就开始了。这种最初的附着随后引发一系列涉及多种病毒和宿主细胞蛋白和受体的分子相互作用,导致病毒核衣壳和被膜蛋白渗透到细胞质中。然后,核衣壳被运送到核膜上,病毒DNA被释放出来,在细胞核内进行复制。最近的研究表明,HSV进入或渗透细胞可能是一个高度复杂的过程,进入的机制可能表现出独特的细胞类型特异性。虽然特异性明显存在,但一些过去和正在进行的研究也表明,HSV可能具有许多其他人类病毒所使用的某些共同受体和途径。这篇综述有助于阐明最近关于HSV进入过程的启示。
Herpes simplex virus type-1 (HSV-1) and type-2 (HSV-2) are highly prevalent human pathogens causing life-long infections. The process of infection begins when the virions bind heparan sulfate moieties present on host cell surfaces. This initial attachment then triggers a cascade of molecular interactions involving multiple viral and host cell proteins and receptors leading to penetration of the viral nucleocapsid and tegument proteins into the cytoplasm. The nucleocapsid is then transported to the nuclear membrane and the viral DNA is released for replication in the nucleus. Recent studies have revealed that HSV entry or penetration into cells may be a highly complex process and the mechanism of entry may demonstrate unique cell-type specificities. While specificities clearly exist, some past and ongoing studies also demonstrate that HSV may share certain common receptors and pathways also used by many other human viruses. This review helps to shed light on recent revelations on HSV entry process.
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