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Efficient Generation of Corticofugal Projection Neurons from Human Embryonic Stem Cells
Author(s) -
Xiaoqing Zhu,
Zongyong Ai,
Xintian Hu,
Tianqing Li
Publication year - 2016
Publication title -
scientific reports
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.24
H-Index - 213
ISSN - 2045-2322
DOI - 10.1038/srep28572
Subject(s) - neuroepithelial cell , embryonic stem cell , neuroscience , neural stem cell , biology , stem cell , cortex (anatomy) , progenitor cell , cerebral cortex , microbiology and biotechnology , cellular differentiation , genetics , gene
Efforts to study development and function of corticofugal projection neurons (CfuPNs) in the human cerebral cortex for health and disease have been limited by the unavailability of highly enriched CfuPNs. Here, we develop a robust, two-step process for generating CfuPNs from human embryonic stem cells (hESCs): directed induction of neuroepithelial stem cells (NESCs) from hESCs and efficient differentiation of NESCs to about 80% of CfuPNs. NESCs or a NESC faithfully maintain unlimitedly self-renewal and self-organized abilities to develop into miniature neural tube-like structures. NESCs retain a stable propensity toward neuronal differentiation over culture as fate-restricted progenitors of CfuPNs and interneurons. When grafted into mouse brains, NESCs successfully integrate into the host brains, differentiate into CfuPNs and effectively reestablish specific patterns of subcortical projections and synapse structures. Efficient generation of CfuPNs in vitro and in vivo will facilitate human cortex development and offer sufficient CfuPNs for cell therapy.

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