A latent lineage potential in resident neural stem cells enables spinal cord repair
from AAAS via Science Magazine
The capacity of a tissue to regenerate itself rests on the potential of its resident cells to replace cells lost to injury. Some tissues, such as skin or intestine, do this remarkably well through the activation of tissue-specific stem cells. Injuries to the central nervous system, in contrast, often lead to permanent functional impairment; some cells lost to injury are never replaced.
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