Abstract
It had long been held that neurogenesis in the mammalian central nervous system (CNS) was largely completed by birth. This opinion held sway until the early 1960s, when cellular proliferation was discovered in the subventricular zone (SVZ) (1) and neurogenesis was observed to occur in the olfactory bulb (2,3). The significance of these studies went unexplored until recently, when the ability to extract, grow, and reimplant neural stem cells (NSCs) into the brain forced a re-examination of the intrinsic capacity of the cerebrum to marshal endogenous stem cell pools (4–6). Similarly for the spinal cord, Adrian and Walker (7), employing 3H-thymidine, a mitotic marker, labeled a small population of cells lining the central canal of the intact adult rat. Because these cells had only a limited life-span, however, their role was deemed to be trivial. The significance of this observation for spinal cord dysfunction and repair has also recently been revisited in light of the possible existence of NSCs within the spinal cord.
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Teng, Y.D. et al. (2003). Neural Stem Cells in and from the Spinal Cord. In: Zigova, T., Snyder, E.Y., Sanberg, P.R. (eds) Neural Stem Cells for Brain and Spinal Cord Repair. Contemporary Neuroscience. Humana Press, Totowa, NJ. https://doi.org/10.1007/978-1-59259-298-2_12
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DOI: https://doi.org/10.1007/978-1-59259-298-2_12
Publisher Name: Humana Press, Totowa, NJ
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