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Adult neural stem cells stake their ground

Daniel A Lim, Arturo Alvarez-Buylla
Trends in Neurosciences 2014, 37 (10): 563-71
25223700
The birth of new neurons in the walls of the adult brain lateral ventricles has captured the attention of many neuroscientists for over 2 decades, yielding key insights into the identity and regulation of neural stem cells (NSCs). In the adult ventricular-subventricular zone (V-SVZ), NSCs are a specialized form of astrocyte that generates several types of neurons for the olfactory bulb. In this review, we discuss recent findings regarding the unique organization of the V-SVZ NSC niche, the multiple regulatory controls of neuronal production, the distinct regional identities of adult NSCs, and the epigenetic mechanisms that maintain adult neurogenesis. Understanding how V-SVZ NSCs establish and maintain lifelong neurogenesis continues to provide surprising insights into the cellular and molecular regulation of neural development.

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