Brain-Region-Specific Organoids Using Mini-bioreactors for Modeling ZIKV Exposure

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Cerebral organoids, three-dimensional cultures that model organogenesis, provide a new platform to investigatehuman brain development. High cost, variability, and tissue heterogeneity limit their broad applications. Here, we developed a miniaturized spinning bioreactor (Spin Omega) to generate forebrain-specific organoids from human iPSCs. These organoids recapitulate key features of human cortical development, including progenitor zone organization, neurogenesis, gene expression, and, notably, a distinct human-specific outer radial glia cell layer. We also developed protocols for midbrain and hypothalamic organoids. Finally, we employed the forebrain organoid platform to model Zika virus (ZIKV) exposure. Quantitative analyses revealed preferential, productive infection of neural progenitors with either African or Asian ZIKV strains. ZIKV infection leads to increased cell death and reduced proliferation, resulting in decreased neuronal cell-layer volume resembling microcephaly. Together, our brain-region-specific organoids and Spin Omega provide an accessible and versatile platform for modeling human brain development and disease and for compound testing, including potential ZIKV antiviral drugs.
Publisher
CELL PRESS
Issue Date
2016-05
Language
English
Article Type
Article
Citation

CELL, v.165, no.5, pp.1238 - 1254

ISSN
0092-8674
DOI
10.1016/j.cell.2016.04.032
URI
http://hdl.handle.net/10203/246060
Appears in Collection
BS-Journal Papers(저널논문)
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