Cited by 173Neurogenesis and neuroplasticity mechanismsDevelopmental Biology and Gene RegulationNeuroscience and Neuropharmacology Research

Coordinated changes in cellular behavior ensure the lifelong maintenance of the hippocampal stem cell population

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Harris, Lachlan, Rigo, Piero, Stiehl, Thomas, Gaber, Zachary B., Austin, Sophie H.L., Masdeu, Maria del Mar, Edwards, Amelia, Urbán, Noelia +2 more·2021·Cell Stem Cell

Published version of a preprint

Abstract

Neural stem cell numbers fall rapidly in the hippocampus of juvenile mice but stabilize during adulthood, ensuring lifelong hippocampal neurogenesis. We show that this stabilization of stem cell numbers in young adults is the result of coordinated changes in stem cell behavior. Although proliferating neural stem cells in juveniles differentiate rapidly, they increasingly return to a resting state of shallow quiescence and progress through additional self-renewing divisions in adulthood. Single-cell transcriptomics, modeling, and label retention analyses indicate that resting cells have a higher activation rate and greater contribution to neurogenesis than dormant cells, which have not left quiescence. These changes in stem cell behavior result from a progressive reduction in expression of the pro-activation protein ASCL1 because of increased post-translational degradation. These cellular mechanisms help reconcile current contradictory models of hippocampal neural stem cell (NSC) dynamics and may contribute to the different rates of decline of hippocampal neurogenesis in mammalian species, including humans.

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Crossref · 10.1016/j.stem.2021.01.003

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  • With increasing age, a subset of NSCs enter deep quiescence instead of a shallower, reversible quiescence characteristic of young NSCs.

    “With increasing age, a subset of NSCs enter deep quiescence instead of a shallower, reversible quiescence, which is characteristic of young NSCs29.”

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Authors
Harris, L., Rigo, P., Stiehl, T., Gaber, Z. B., Austin, S. H. L., Masdeu, M. D. M., Edwards, A., Urbán, N., Marciniak-Czochra, A., & Guillemot, F.
Affiliations
  • The Francis Crick Institute (GB)
  • Heidelberg University (DE)
Corresponding author
Guillemot, François
Venue
Cell Stem Cell
Publisher
Elsevier BV
Published
2021-05
Volume
28
Issue
5
Pages
863-876.e6
ISSN
  • 1875-9777 (ISSN-L)
  • 1934-5909
OpenAlex
W3130856386
Cited by
173
References
88
Citations by year
2026: 16 · 2025: 34 · 2024: 24 · 2023: 39 · 2022: 40 · 2021: 20
FWCI
11.07
Type
journal article
Language
en
Open access
Locations
  • Cell stem cell (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Figshare (submittedVersion, cc-by)
  • RWTH Publications (RWTH Aachen)
Funders
  • Wellcome Trust (106187/Z/14/Z, U117570528)
  • Francis Crick Institute
  • Cancer Research UK
  • Medical Research Council (U117570528, FC0010089)
  • Deutsche Forschungsgemeinschaft (SFB 873)
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
hippocampal neural stem cells, stem cell quiescence, stem cell self-renewal, stem cell activation, ASCL1, stem cell differentiation, hippocampal neurogenesis, stem cell dynamics, label retention, single-cell transcriptomics
MeSH terms
Animals, Hippocampus, Cell Proliferation, Mice, Adult Stem Cells, Neurogenesis, Neural Stem Cells

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