Cited by 50Neurogenesis and neuroplasticity mechanismsDevelopmental Biology and Gene RegulationNeuroinflammation and Neurodegeneration Mechanisms

Increasing Neural Stem Cell Division Asymmetry and Quiescence Are Predicted to Contribute to the Age-Related Decline in Neurogenesis

Open access
Bast, Lisa, Calzolari, Filippo, Strasser, Michael K., Hasenauer, Jan, Theis, Fabian J., Ninkovic, Jovica, Marr, Carsten·2018·Cell Reports

Published version of a preprint

Abstract

Adult murine neural stem cells (NSCs) generate neurons in drastically declining numbers with age. How cellular dynamics sustain neurogenesis and how alterations with age may result in this decline are unresolved issues. We therefore clonally traced NSC lineages using confetti reporters in young and middle-aged adult mice. To understand the underlying mechanisms, we derived mathematical models that explain observed clonal cell type abundances. The best models consistently show self-renewal of transit-amplifying progenitors and rapid neuroblast cell cycle exit. In middle-aged mice, we identified an increased probability of asymmetric stem cell divisions at the expense of symmetric differentiation, accompanied by an extended persistence of quiescence between activation phases. Our model explains existing longitudinal population data and identifies particular cellular properties underlying adult NSC homeostasis and the aging of this stem cell compartment.

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  • Stem cell heterogeneity during ageing may be due to a decrease in symmetrical divisions and an increase in asymmetrical divisions in old NSCs.

    “Such stem cell heterogeneity during ageing may be due to a decrease in symmetrical divisions and an increase in asymmetrical divisions in old NSCs27,28.”

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  1. Boyd, S., and Vandenberghe, L. (2016). Convex Optimization South Asia Edi- tion (Cambridge University).

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Authors
Bast, L., Calzolari, F., Strasser, M. K., Hasenauer, J., Theis, F. J., Ninkovic, J., & Marr, C.
Affiliations
  • Helmholtz Munich (DE)
  • Johannes Gutenberg University Mainz (DE)
Corresponding author
  • Calzolari, Filippo
  • Ninkovic, Jovica
  • Marr, Carsten
Venue
Cell Reports
Publisher
Elsevier BV
Published
2018-12
Volume
25
Issue
12
Pages
3231-3240.e8
ISSN
2211-1247 (ISSN-L)
OpenAlex
W2904523538
Cited by
50
References
62
Citations by year
2026: 4 · 2025: 4 · 2024: 4 · 2023: 9 · 2022: 10 · 2021: 4 · 2020: 10 · 2019: 5
FWCI
1.75
Type
journal article
Language
en
Open access
Locations
  • Cell Reports (publishedVersion, cc-by-nc-nd)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • Open access LMU (Ludwid Maxmilian's Universitat Munchen) (submittedVersion, cc-by-nc-nd)
  • Site cant be reached (submittedVersion, cc-by-nc-nd)
  • PuSH - Publication Server of Helmholtz Zentrum München (submittedVersion, cc-by-nc-nd)
Funders
Deutsche Forschungsgemeinschaft (CRC1243)
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 › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
neural stem cells, aging, asymmetric cell division, stem cell quiescence, self-renewal, clonal tracing, mathematical modeling, stem cell homeostasis, adult neurogenesis
MeSH terms
Aging, Animals, Cell Cycle, Clone Cells, Computer Simulation, Models, Biological, Stochastic Processes, Reproducibility of Results, Cell Lineage, Mice, Neurogenesis, Neural Stem Cells, Asymmetric Cell Division

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