SOX2 protein transduction directly converts human fibroblasts into oligodendrocyte-like cells.
Biochemical and biophysical research communications(2020)
摘要
Oligodendrocyte precursor cells (OPCs) are ideal therapeutic cells for treatment of spinal cord injuries and diseases that affect myelin. However, it is necessary to generate a cell population with a low risk of teratoma formation and oncogenesis from a patient's somatic cells. In this study, we investigated the direct reprogramming of fibroblasts to oligodendrocyte-like cells in one step with a safe non-genetic delivery method that used protein transduction. Cell morphology and the lineage-specific marker expression profile indicated that human foreskin fibroblasts (HFFs) were converted into oligodendrocyte-like cells by the application of pluripotency factors and the use of a permissible induction medium. Our data demonstrated that SOX2 was sufficient to directly drive OPC fate conversion from HFF by a genetic-free approach. Therefore, this work has provided a strategy to OPC reprogramming by a non-integrating approach for future use in disease modeling and may ultimately provide applications for patient-specific cell-based regenerative medicine.
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