Entry of viruses through the epithelial barrier: pathogenic trickery.

Entry of viruses through the epithelial barrier: pathogenic trickery.
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DOI:
10.1038/nrm1005
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发表时间:
2003-01
期刊:
Nature reviews. Molecular cell biology
影响因子:
--
通讯作者:
Alfsen A
Alfsen A
中科院分区:
其他
文献类型:
--
作者:
Bomsel M;Alfsen A

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粘膜表面--如肠道或生殖道的内层--是病毒进入人体的主要入口点。几乎所有的病毒都与上皮细胞相互作用,并利用宿主细胞正常的上皮信号和运输途径。除了蛋白质受体,蛋白多糖碳水化合物链和上皮膜糖脂已经成为一类新的受体,用于病毒与宿主细胞的结合。病毒还产生了可溶性的毒力因子,这些因子独立于病毒与上皮细胞相互作用,并参与病毒诱导的病理过程。粘膜表面--如肠道或生殖道的内层--是病毒进入人体的主要入口点。因此,几乎所有的病毒都与上皮细胞相互作用,并利用宿主细胞的正常上皮信号和运输途径。除了蛋白质受体,蛋白多糖碳水化合物链和上皮膜糖脂已经成为一类新的受体,用于病毒与宿主细胞的结合。
Mucosal surfaces — such as the lining of the gut or the reproductive tract — are the main point of entry for viruses into the body. Almost all viruses interact with epithelial cells, and make use of the normal epithelial signalling and trafficking pathways of the host cell. In addition to protein receptors, carbohydrate chains of proteoglycans and epithelial membrane glycosphingolipids have emerged as a new class of receptors for viral attachment to the host cell. Viruses have also developed soluble virulence factors, which interact with epithelial cells independently of the virus and participate in the development of the virally induced pathology. Mucosal surfaces — such as the lining of the gut or the reproductive tract — are the main point of entry for viruses into the body. As such, almost all viruses interact with epithelial cells, and make use of the normal epithelial signalling and trafficking pathways of the host cell. In addition to protein receptors, carbohydrate chains of proteoglycans and epithelial-membrane glycosphingolipids have emerged as a new class of receptors for viral attachment to the host cell.
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