Fast Generation of Forebrain Oligodendrocyte Spheroids From Human Embryonic Stem Cells by Transcription Factors
SSRN Electronic Journal(2021)
摘要
Oligodendrocyte spheroids (OL-spheroids) containing oligodendrocytes and neurons provide an accessible system to dissect demyelinating diseases and test therapeutic treatment. However, generation of human OL-spheroids is still technically challenging and time-consuming until now. Here, we presented evidence that overexpression of SOX10 and OLIG2 (SO) in human embryonic stem cells (hESCs)-derived ventral forebrain neural progenitors is sufficient to produce forebrain pre-oligodendrocytes (pre-OLs) and mature oligodendrocytes (OLs) within 20–40 days. More importantly, optimizing this procedure by overexpression of SO in ventral forebrain spheroids, we successfully generated OL-spheroids with pre-OLs, mature OLs, and neurons 40 days after OL-induction. We further demonstrated oligodendrocyte-neuron interactions and obvious axon myelination in OL-spheroids. Finally, over 30% cells developed into mature oligodendrocytes with forebrain identity and myelinate axons in mouse brain 3 months after transplantation. This study provides a strategy to generate forebrain OL-spheroids rapidly and efficiently which would facilitate development of new therapeutics for demyelinating disorders.
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关键词
Biological sciences,Cellular neuroscience,Biotechnology,Stem cells research,Cell biology
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