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Choroid plexus-derived miR-204 regulates the number of quiescent neural stem cells in the adult brain.
EMBO J. 38:e100481 (2019)
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Regulation of adult neural stem cell (NSC) number is critical for lifelong neurogenesis. Here, we identified a post-transcriptional control mechanism, centered around the microRNA 204 (miR-204), to control the maintenance of quiescent (q)NSCs. miR-204 regulates a spectrum of transcripts involved in cell cycle regulation, neuronal migration, and differentiation in qNSCs. Importantly, inhibition of miR-204 function reduced the number of qNSCs in the subependymal zone (SEZ) by inducing pre-mature activation and differentiation of NSCs without changing their neurogenic potential. Strikingly, we identified the choroid plexus of the mouse lateral ventricle as the major source of miR-204 that is released into the cerebrospinal fluid to control number of NSCs within the SEZ. Taken together, our results describe a novel mechanism to maintain adult somatic stem cells by a niche-specific miRNA repressing activation and differentiation of stem cells.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Adult Neurogenesis ; Mir-204 ; Neural Stem Cells ; Neurogenesis ; Neurogenic Priming; Cerebrospinal-fluid; Neuronal Differentiation; Subventricular Zone; Progenitor Cells; Fate Specification; Embryonic Origin; Neurogenesis; Niche; Migration; Transplantation
ISSN (print) / ISBN
0261-4189
e-ISSN
1460-2075
Journal
EMBO Journal, The
Quellenangaben
Volume: 38,
Issue: 17,
Article Number: e100481
Publisher
Wiley
Publishing Place
Heidelberg, Germany
Non-patent literature
Publications
Reviewing status
Peer reviewed
Institute(s)
Institute of Stem Cell Research (ISF)