Flexibility of neural stem cells

Eumorphia Remboutsika, Maximilianos Elkouris, Angelo Iulianella, Cynthia L Andoniadou, Maria Poulou, Thimios A Mitsiadis, Paul A Trainor, Robin Lovell-Badge

Research output: Contribution to journalArticlepeer-review

24 Citations (Scopus)

Abstract

Embryonic cortical neural stem cells are self-renewing progenitors that can differentiate into neurons and glia. We generated neurospheres from the developing cerebral cortex using a mouse genetic model that allows for lineage selection and found that the self-renewing neural stem cells are restricted to Sox2 expressing cells. Under normal conditions, embryonic cortical neurospheres are heterogeneous with regard to Sox2 expression and contain astrocytes, neural stem cells, and neural progenitor cells sufficiently plastic to give rise to neural crest cells when transplanted into the hindbrain of E1.5 chick and E8 mouse embryos. However, when neurospheres are maintained under lineage selection, such that all cells express Sox2, neural stem cells maintain their Pax6(+) cortical radial glia identity and exhibit a more restricted fate in vitro and after transplantation. These data demonstrate that Sox2 preserves the cortical identity and regulates the plasticity of self-renewing Pax6(+) radial glia cells.
Original languageEnglish
Article number16
Pages (from-to)N/A
Number of pages10
JournalFrontiers in Physiology
Volume2
Issue numberN/A
DOIs
Publication statusPublished - 11 Apr 2011

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