alexa Zika Virus Infects Human Cortical Neural Progenitors and Attenuates Their Growth.
Neurology

Neurology

Journal of Neuroinfectious Diseases

Author(s): Tang H, Hammack C, Ogden SC, Wen Z, Qian X, , Tang H, Hammack C, Ogden SC, Wen Z, Qian X,

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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. Copyright © 2016 Elsevier Inc. All rights reserved. This article was published in Cell Stem Cell and referenced in Journal of Neuroinfectious Diseases

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