Cited by 586Neurogenesis and neuroplasticity mechanismsFOXO transcription factor regulationDevelopmental Biology and Gene Regulation

FoxO3 Regulates Neural Stem Cell Homeostasis

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Renault, Valérie M., Rafalski, Victoria A., Morgan, Alex A., Salih, Dervis A.M., Brett, Jamie O., Webb, Ashley E., Villeda, Saul A., Thekkat, Pramod U. +5 more·2009·Cell Stem Cell

Abstract

In the nervous system, neural stem cells (NSCs) are necessary for the generation of new neurons and for cognitive function. Here we show that FoxO3, a member of a transcription factor family known to extend lifespan in invertebrates, regulates the NSC pool. We find that adult FoxO3(-/-) mice have fewer NSCs in vivo than wild-type counterparts. NSCs isolated from adult FoxO3(-/-) mice have decreased self-renewal and an impaired ability to generate different neural lineages. Identification of the FoxO3-dependent gene expression profile in NSCs suggests that FoxO3 regulates the NSC pool by inducing a program of genes that preserves quiescence, prevents premature differentiation, and controls oxygen metabolism. The ability of FoxO3 to prevent the premature depletion of NSCs might have important implications for counteracting brain aging in long-lived species.

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Crossref · 10.1016/j.stem.2009.09.014

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  • In NSCs, FOXO3 regulates the size of the NSC pool.

    “In NSCs, FOXO3 regulates the size of the NSC pool108.”

    From Molecular regulation of stem cell quiescence (2013) · cites this paper as [108]

  • NSCs devoid of FOXO3 are defective in self-renewal.

    “NSCs devoid of FOXO3 are defective in self-renewal”

    From Molecular regulation of stem cell quiescence (2013) · cites this paper as [108]

  • FOXO transcription factors integrate growth factors and stress signal transduction pathways, and may represent a hub for the action of various systemic factors in stem cells in ageing brain, muscle, blood and intestine.

    “For example, FOXO transcription factors integrate growth factors and stress signal transduction pathways, and may represent a ‘hub’ for the action of various systemic factors in stem cells in ageing brain, muscle, blood and intestine32,85–90.”
  • Constitutive deletion of three of the FOXO genes (FOXO1, FOXO3 and FOXO4) in the MuSC lineage during development results in the impairment of postnatal establishment of the MuSC population and a more rapid MuSC depletion with age.

    “Consistent with previous reports of the role of FOXO factors in HSC, MuSC and NSC quiescence85–90, constitutive deletion of three of the FOXO genes (FOXO1, FOXO3 and FOXO4) in the MuSC lineage during development results in the impairment of postnatal establishment of the MuSC population and a more rapid MuSC depletion with age32.”

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Authors
Renault, V. M., Rafalski, V. A., Morgan, A. A., Salih, D. A. M., Brett, J. O., Webb, A. E., Villeda, S. A., Thekkat, P. U., Guillerey, C., Denko, N. C., Palmer, T. D., Butte, A. J., & Brunet, A.
Affiliations
  • Stanford University (US)
  • Lucile Packard Children's Hospital (US)
  • Stanford Medicine (US)
Corresponding author
Brunet, Anne
Venue
Cell Stem Cell
Publisher
Elsevier BV
Published
2009-11
Volume
5
Issue
5
Pages
527-539
ISSN
  • 1875-9777 (ISSN-L)
  • 1934-5909
OpenAlex
W1974470246
Cited by
586
References
55
Citations by year
2026: 13 · 2025: 20 · 2024: 33 · 2023: 29 · 2022: 32 · 2021: 42 · 2020: 38 · 2019: 30 · 2018: 39 · 2017: 38 · 2016: 44 · 2015: 48 · 2014: 44 · 2013: 42 · 2012: 37
FWCI
9.83
Type
journal article
Language
en
Open access
Locations
  • Cell stem cell (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • UCL Discovery (University College London) (submittedVersion)
Funders
  • National Institute on Aging (R01AG026648)
  • National Cancer Institute (5 T32 CA09302, T32CA009302)
  • U.S. National Library of Medicine (R01LM009719, T15LM007033)
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › FOXO transcription factor regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
Keywords
FOXO3, neural stem cells, stem cell homeostasis, self-renewal, quiescence, premature differentiation, oxygen metabolism, gene expression profiling, brain aging, lifespan
MeSH terms
Forkhead Box Protein O3, Animals, Brain, Cell Differentiation, Cells, Cultured, Homeostasis, Neurons, Oxygen, Mice, Knockout, Gene Expression Regulation, Developmental, Cell Lineage, Gene Expression Profiling, Mice, Forkhead Transcription Factors, Adult Stem Cells, Neurogenesis

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