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Title: Mature neurons modulate neurogenesis through chemical signals acting on neural stem cells.
Authors: Pardal, Ricardo
López Barneo, José
Keywords: carotid body;chemical modulation;hippocampus;innervation;neural stem cells;neurogenic niches;subventricular zone
metadata.dc.subject.mesh: Animals
Neural Stem Cells
Signal Transduction
Stem Cell Niche
Issue Date: 21-Apr-2016
Abstract: The discovery of neural stem cells has revealed a much higher structural and functional plasticity in the adult nervous system than previously anticipated. Progenitor cells are able to give rise to new neurons and glial cells when needed, thanks to their surveillance of the environment from the germinal niches. Multiple different factors define neural stem cell niches, including cellular and non-cellular components. Innervation of neurogenic centers is crucial, as it allows the functional connection between stem cell behavior and surrounding neuronal activity. Although the association between organismal behavior and neurogenesis is well documented, much less is known about the cellular and molecular mechanisms by which neurons control stem cell activity. In this review we discuss the existing data on this type of regulation from the three best characterized germinal niches in the adult nervous system: the subventricular zone, the hippocampal subgranular zone, and the carotid body. In all cases, neuronal activity modulates stem cell behavior either by neurotransmitter spillover or by synaptic-like contacts. Currently, the molecular mechanisms underlying mature neuron-stem cell interaction are being clarified. Functional consequences and potential clinical relevance of these phenomena are also discussed.
metadata.dc.identifier.doi: 10.1111/dgd.12283
Appears in Collections:Producción 2020

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