Abstract:
:Oligodendrocytes (OLs) show heterogeneous properties that depend on their location in the central nervous system (CNS). In this regard, the investigation of oligodendrocyte precursor cells (OPCs) derived from human pluripotent stem cells (hPSCs) should be reconsidered, particularly in cases of brain-predominant disorders for which brain-derived OPCs are more appropriate than spinal cord-derived OPCs. Furthermore, animal-derived components are responsible for culture variability in the derivation and complicate clinical translation. In the present study, we established a xeno-free system to induce forebrain OPCs from hPSCs. We induced human forebrain neural stem cells (NSCs) on Laminin 511-E8 and directed the differentiation to the developmental pathway for forebrain OLs with SHH and FGF signaling. OPCs were characterized by the expression of OLIG2, NKX2.2, SOX10, and PDGFRA, and subsequent maturation into O4+ cells. In vitro characterization showed that >85% of the forebrain OPCs (O4+ ) underwent maturation into OLs (MBP+ ) 3 weeks after mitogen removal. Upon intracranial transplantation, the OPCs survived, dispersed in the corpus callosum, and matured into (GSTπ+ ) OLs in the host brains 3 months after transplantation. These findings suggest our xeno-free induction of forebrain OPCs from hPSCs could accelerate clinical translation for brain-specific disorders.
journal_name
J Neurosci Resjournal_title
Journal of neuroscience researchauthors
Hermanto Y,Maki T,Takagi Y,Miyamoto S,Takahashi Jdoi
10.1002/jnr.24413subject
Has Abstractpub_date
2019-07-01 00:00:00pages
828-845issue
7eissn
0360-4012issn
1097-4547journal_volume
97pub_type
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