Differentiation of neurons from neural precursors generated in floating spheres from embryonic stem cells

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Differentiation of neurons from neural precursors generated in floating spheres from embryonic stem cells

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Title: Differentiation of neurons from neural precursors generated in floating spheres from embryonic stem cells
Author: Li, Huawei; Corrales, C Eduardo; Risner, Jessica R; Forrester, Jeff; Holt, Jeffrey R; Heller, Stefan; Liu, Hong; Edge, Albert

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Citation: Li, Huawei, Hong Liu, C. Eduardo Corrales, Jessica R. Risner, Jeff Forrester, Jeffrey R. Holt, Stefan Heller, and Albert S. B. Edge. 2009. Differentiation of neurons from neural precursors generated in floating spheres from embryonic stem cells. BMC Neuroscience 10: 122.
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Abstract: Background: Neural differentiation of embryonic stem (ES) cells is usually achieved by induction of ectoderm in embryoid bodies followed by the enrichment of neuronal progenitors using a variety of factors. Obtaining reproducible percentages of neural cells is difficult and the methods are time consuming. Results: Neural progenitors were produced from murine ES cells by a combination of nonadherent conditions and serum starvation. Conversion to neural progenitors was accompanied by downregulation of Oct4 and NANOG and increased expression of nestin. ES cells containing a GFP gene under the control of the Sox1 regulatory regions became fluorescent upon differentiation to neural progenitors, and ES cells with a tau-GFP fusion protein became fluorescent upon further differentiation to neurons. Neurons produced from these cells upregulated mature neuronal markers, or differentiated to glial and oligodendrocyte fates. The neurons gave rise to action potentials that could be recorded after application of fixed currents. Conclusion: Neural progenitors were produced from murine ES cells by a novel method that induced neuroectoderm cells by a combination of nonadherent conditions and serum starvation, in contrast to the embryoid body method in which neuroectoderm cells must be selected after formation of all three germ layers.
Published Version: doi:10.1186/1471-2202-10-122
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2761926/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:4878948

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