Human Astrocyte Maturation Captured in 3D Cerebral Cortical Spheroids Derived from Pluripotent Stem Cells.

Human Astrocyte Maturation Captured in 3D Cerebral Cortical Spheroids Derived from Pluripotent Stem Cells.
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DOI:
10.1016/j.neuron.2017.07.035
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发表时间:
2017-08-16
期刊:
影响因子:
16.2
通讯作者:
Paşca SP
Paşca SP
中科院分区:
医学1区
文献类型:
--
作者:
Sloan SA;Darmanis S;Huber N;Khan TA;Birey F;Caneda C;Reimer R;Quake SR;Barres BA;Paşca SP

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There is significant need to develop physiologically relevant models for investigating human astrocytes in health and disease. Here, we present an approach for generating astrocyte lineage cells in a three-dimensional (3D) cytoarchitecture using human cerebral cortical spheroids (hCS) derived from pluripotent stem cells. We acutely purified astrocyte-lineage cells from hCS at varying stages up to 20 months in vitro using immunopanning and cell sorting, and performed high-depth bulk and single cell RNA-sequencing to directly compare them to purified primary human brain cells. We found that hCS-derived glia closely resemble primary human fetal astrocytes and that, over time in vitro, they transition from a predominantly fetal to an increasingly mature astrocyte state. Transcriptional changes in astrocytes are accompanied by alterations in phagocytic capacity and effects on neuronal calcium signaling. These findings suggest that hCS-derived astrocytes closely resemble primary human astrocytes and can be used for studying development and modeling disease.
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