Abstract:
:The suspected link between infection by Zika virus (ZIKV), a re-emerging flavivirus, and microcephaly is an urgent global health concern. The direct target cells of ZIKV in the developing human fetus are not clear. Here we show that a strain of the ZIKV, MR766, serially passaged in monkey and mosquito cells efficiently infects human neural progenitor cells (hNPCs) derived from induced pluripotent stem cells. Infected hNPCs further release infectious ZIKV particles. Importantly, ZIKV infection increases cell death and dysregulates cell-cycle progression, resulting in attenuated hNPC growth. Global gene expression analysis of infected hNPCs reveals transcriptional dysregulation, notably of cell-cycle-related pathways. Our results identify hNPCs as a direct ZIKV target. In addition, we establish a tractable experimental model system to investigate the impact and mechanism of ZIKV on human brain development and provide a platform to screen therapeutic compounds.
journal_name
Cell Stem Celljournal_title
Cell stem cellauthors
Tang H,Hammack C,Ogden SC,Wen Z,Qian X,Li Y,Yao B,Shin J,Zhang F,Lee EM,Christian KM,Didier RA,Jin P,Song H,Ming GLdoi
10.1016/j.stem.2016.02.016subject
Has Abstractpub_date
2016-05-05 00:00:00pages
587-90issue
5eissn
1934-5909issn
1875-9777pii
S1934-5909(16)00106-5journal_volume
18pub_type
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