The effect of cellular differentiation on HSV-1 infection of oligodendrocytic cells.

The effect of cellular differentiation on HSV-1 infection of oligodendrocytic cells.
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DOI:
10.1371/journal.pone.0089141
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发表时间:
2014
期刊:
影响因子:
3.7
通讯作者:
López-Guerrero JA
López-Guerrero JA
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Bello-Morales R;Crespillo AJ;García B;Dorado LÁ;Martín B;Tabarés E;Krummenacher C;de Castro F;López-Guerrero JA

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单纯疱疹病毒1型(HSV-1)是一种嗜神经病毒,感染多种类型的细胞。以前的研究表明,少突胶质细胞对HSV-1感染高度敏感。在这里,我们分析了HSV-1感染的人少突胶质细胞系,HOG,少突胶质细胞前体细胞(OPC)的生长或分化条件下培养。除细胞易感性外,还评估了病毒进入的主要细胞受体的作用。我们的研究结果表明,OPCs和HOG细胞在分化条件下培养变得更容易受到HSV-1。另一方面,病毒感染诱导与分化细胞相对应的形态学变化,表明HSV-1可能诱导细胞分化。我们还观察到HVEM和nectin-1与病毒颗粒的共定位,表明这两种主要的HSV-1受体在HOG细胞中具有功能。最后,电子显微镜分析表明,HSV-1也可能进入OL的巨胞饮作用,这取决于他们的分化阶段。此外,在分化细胞中观察到的含有细胞内包膜病毒体的囊泡指向病毒进入的内吞机制。所有这些数据都表明,不同的进入途径依赖于成熟阶段的OL。
Herpes simplex type 1 (HSV-1) is a neurotropic virus that infects many types of cells. Previous studies have demonstrated that oligodendrocytic cells are highly susceptible to HSV-1 infection. Here we analysed HSV-1 infection of a human oligodendrocytic cell line, HOG, and oligodendrocyte precursor cells (OPCs) cultured under growth or differentiation conditions. In addition to cell susceptibility, the role of the major cell receptors for viral entry was assessed. Our results revealed that OPCs and HOG cells cultured under differentiation conditions became more susceptible to HSV-1. On the other hand, viral infection induced morphological changes corresponding to differentiated cells, suggesting that HSV-1 might be inducing cell differentiation. We also observed colocalization of HVEM and nectin-1 with viral particles, suggesting that these two major HSV-1 receptors are functional in HOG cells. Finally, electron microscopy assays indicated that HSV-1 may be also entering OLs by macropinocytosis depending on their differentiation stage. In addition, vesicles containing intracellular enveloped virions observed in differentiated cells point to an endocytic mechanism of virus entry. All these data are indicative of diverse entry pathways dependent on the maturation stage of OLs.
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发表时间: 2013-06-01
影响因子: 5.4
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影响因子: 11.1
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DOI: 10.1023/a:1027324230923
发表时间: 2003-01-01
期刊: JOURNAL OF NEUROCYTOLOGY
影响因子: --
作者:
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通讯作者: Steels, P