The ependymal cells lining the lateral ventricles are not stem cells, but a study now shows that they can be activated to generate neuroblasts in a stroke model, and mature olfactory bulb neurons when Notch signaling is disrupted.
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Zhao, C., Suh, H. & Gage, F. Notch keeps ependymal cells in line. Nat Neurosci 12, 243–245 (2009). https://doi.org/10.1038/nn0309-243
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DOI: https://doi.org/10.1038/nn0309-243