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Neuron. 1997 Oct;19(4):773-85.

Isolation of lineage-restricted neuronal precursors from multipotent neuroepithelial stem cells.

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  • 1Huntsman Cancer Institute, University of Utah, Salt Lake City 84132, USA.

Abstract

We have identified a neuronal-restricted precursor (NRP) cell that expresses E-NCAM (high polysialic-acid NCAM) and is morphologically distinct from multipotent neuroepithelial (NEP) cells (Kalyani et al., 1997) and spinal glial progenitors (Rao and Mayer-Proschel, 1997). NRP cells self renew over multiple passages in the presence of fibroblast growth factor (FGF) and neurotrophin-3 (NT-3) and differentiate in the presence of retinoic acid and the absence of FGF into postmitotic neurons. NRP cells can also be generated from multipotent E10.5 NEP cells. Clonal analysis shows that NRP cells arise from a NEP progenitor that generates other restricted CNS precursors. The NEP-derived NRPs undergo self renewal and can differentiate into multiple neuronal phenotypes. Thus, a direct lineal relationship exists between multipotential NEP cells and more restricted neuronal precursor cells present in vivo at E13.5 in the spinal cord.

PMID:
9354325
[PubMed - indexed for MEDLINE]
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