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Hypothalamic regulation of regionally distinct adult neural stem cells and neurogenesis

Paul, Alex and Chaker, Zayna and Doetsch, Fiona. (2017) Hypothalamic regulation of regionally distinct adult neural stem cells and neurogenesis. Science, 356 (6345). pp. 1383-1386.

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Official URL: http://edoc.unibas.ch/55560/

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Abstract

Neural stem cells (NSCs) in specialized niches in the adult mammalian brain generate neurons throughout life. NSCs in the adult mouse ventricular-subventricular zone (V-SVZ) exhibit a regional identity and, depending on their location, generate distinct olfactory bulb interneuron subtypes. Here, we show that the hypothalamus, a brain area regulating physiological states, provides long-range regionalized input to the V-SVZ niche and can regulate specific NSC subpopulations. Hypothalamic proopiomelanocortin neurons selectively innervate the anterior ventral V-SVZ and promote the proliferation of Nkx2.1(+) NSCs and the generation of deep granule neurons. Accordingly, hunger and satiety regulate adult neurogenesis by modulating the activity of this hypothalamic-V-SVZ connection. Our findings reveal that neural circuitry, via mosaic innervation of the V-SVZ, can recruit distinct NSC pools, allowing on-demand neurogenesis in response to physiology and environmental signals.
Faculties and Departments:05 Faculty of Science > Departement Biozentrum > Neurobiology > Stem Cell Biology (Doetsch)
UniBasel Contributors:Doetsch, Fiona and Chaker, Zayna
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:American Association for the Advancement of Science
ISSN:0036-8075
e-ISSN:1095-9203
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:16 Oct 2017 10:09
Deposited On:16 Oct 2017 10:09

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