Neuron tells stem cells to grow new neurons: First piece of new brain-repair circuit identified

June 2, 2014
Duke University
Researchers have found a new type of neuron in the adult brain that is capable of telling stem cells to make more new neurons. Though the experiments are in their early stages, the finding opens the tantalizing possibility that the brain may be able to repair itself from within.
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In this artist’s representation of the adult subependymal neurogenic niche (viewed from underneath the ependyma), electrical signals generated by the ChAT+ neuron give rise to newborn migrating neuroblasts, seen moving over the underside of ependymal cells.
Credit: Illustration by O’Reilly Science Art

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