Abstract
We have shown previously that the rat optic nerve contains three types of macroglial cells—oligodendrocytes and two types of astrocytes—which develop as two distinct lineages. Type-1 astrocytes develop from one type of precursor cell beginning at embryonic day 16 (E16)1, while oligodendrocytes and then type-2 astrocytes develop from a common, bipotential progenitor cell beginning at birth (E21) and postnatal days 7–10 (P7–10), respectively2. Here we report that proliferating bipotential oligoden-drocyte-type-2 astrocyte (0-2A) progenitor cells are present in the adult rat optic nerve, raising the possibility that these cells are produced continually from self-renewing stem cells throughout life.
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ffrench-Constant, C., Raff, M. Proliferating bipotential glial progenitor cells in adult rat optic nerve. Nature 319, 499–502 (1986). https://doi.org/10.1038/319499a0
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DOI: https://doi.org/10.1038/319499a0
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