Zika Virus Infects Neural Progenitors in the Adult Mouse Brain and Alters Proliferation.

Zika Virus Infects Neural Progenitors in the Adult Mouse Brain and Alters Proliferation.
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DOI:
10.1016/j.stem.2016.08.005
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发表时间:
2016-11-03
期刊:
影响因子:
23.9
通讯作者:
Gleeson, Joseph G.
Gleeson, Joseph G.
中科院分区:
医学1区
文献类型:
--
作者:
Li, Hongda;Saucedo-Cuevas, Laura;Regla-Nava, Jose A.;Chai, Guoliang;Sheets, Nicholas;Tang, William;Terskikh, Alexey V.;Shresta, Sujan;Gleeson, Joseph G.

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寨卡病毒(ZIKV)相关的神经病理学是一个重要的全球健康问题。几项研究表明,ZIKV可以感染发育中的大脑中的神经干细胞,但尚未检查成人大脑中的感染。成年小鼠大脑中的两个区域含有神经干细胞:前前脑的脑室下区和海马的颗粒下区。在此,使用干扰素调节因子(IRF)三重缺陷的六周龄小鼠作为模型,我们显示了血液传播的ZIKV施用可以导致这些成体神经干细胞中ZIKV感染的明显证据,导致细胞死亡和增殖减少。因此,我们的数据表明,成人以及胎儿神经干细胞易受ZIKV神经病理学的影响。因此,尽管ZIKV被认为是成年人的短暂感染,没有明显的长期影响,但实际上成年人的大脑接触可能会产生后果。
Zika virus (ZIKV) related neuropathology is an important global health concern. Several studies have shown that ZIKV can infect neural stem cells in the developing brain, but infection in the adult brain has not been examined. Two areas in the adult mouse brain contain neural stem cells: the subventricular zone of the anterior forebrain and the subgranular zone of the hippocampus. Here using six week old mice triply deficient in interferon regulatory factor (IRF) as a model, we show that blood-borne ZIKV administration can lead to pronounced evidence of ZIKV infection in these adult neural stem cells, leading to cell death and reduced proliferation. Our data therefore suggest that adult as well as fetal neural stem cells are vulnerable to ZIKV neuropathology. Thus, although ZIKV is considered a transient infection in adult humans without marked long-term effects, there may in fact be consequences of exposure in the adult brain.
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