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Application of early embryonic neural stem cells in regenerative medicine Koichi Uchida 1 , Yutaka Mine 1 , Takeshi Kawase 1 1Department of Neurosurgery,School of Medicine,Keio University Keyword: 神経再生医療 , 神経移植 , 神経幹細胞生物学 , 神経上皮型幹細胞 , 異種移植 pp.870-877
Published Date 2003/12/10
DOI https://doi.org/10.11477/mf.1431100373
  • Abstract
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 The field of regenerative medicine is developing rapidly based on the expanding understanding of the pluripotentiality of neural stem cells. However, the true multipotency of the stem cells differs with their stage of development. Early embryonic neural stem cells,i.e., neuroepithelial stem cells,are of particular interest both because of their high mitotic rate and their ability to differentiate selectively into neuronal cells during the very early stage of their development. On the other hand, mature stem cells, i.e., adult type neural stem cells, while having multipotency, tend to show glial differentiation rather than neuronal. When considering the application of neural stem cell transplantation in regenerative medicine, namely the functional repair of damaged or compromised neuronal circuitry, it is thus important to use donor neural stem cells of an appropriate age to ensure a good supply of neurons to the host brain, thus achieving the desired physiological repair of the damaged host brain. In the ischemic rat model, neuroepithelial stem cells have been shown to be capable of survival in the host brain with functional recovery of the subjects. Neuroepithelial stem cells are also able to survive in the xenogeneic host brain, and form myelinated axons with synapses both to and from the host neurons. Neuroepithelial stem cells are therefore highly potential candidates for use in cell transplantation in regenerative medicine to achieve the functional repair of the damaged brain.


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電子版ISSN 1882-1243 印刷版ISSN 0001-8724 医学書院

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