Cited by 399Neurogenesis and neuroplasticity mechanismsRedox biology and oxidative stressDevelopmental Biology and Gene Regulation

Redox state is a central modulator of the balance between self-renewal and differentiation in a dividing glial precursor cell

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Smith, Joel, Ladi, Ena, Mayer-Pröschel, Margot, Noble, Mark·2000·Proceedings of the National Academy of Sciences

Abstract

We have discovered that intracellular redox state appears to be a necessary and sufficient modulator of the balance between self-renewal and differentiation in dividing oligodendrocyte-type-2 astrocyte progenitor cells. The intracellular redox state of freshly isolated progenitors allows prospective isolation of cells with different self-renewal characteristics. Redox state is itself modulated by cell-extrinsic signaling molecules that alter the balance between self-renewal and differentiation: growth factors that promote self-renewal cause progenitors to become more reduced, while signaling molecules that promote differentiation cause progenitors to become more oxidized. Moreover, pharmacological antagonists of the redox effects of these cell-extrinsic signaling molecules antagonize their effects on self-renewal and differentiation, indicating that cell-extrinsic signaling molecules that modulate this balance converge on redox modulation as a critical component of their effector mechanism.

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  1. [25]Martensson, J., Jain, A., Stole, E., Frayer, W., Auld, P. & Meister, P. (1991) Proc. Natl. Acad. Sci. USA 88, 9360-9364.
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Authors
Smith, J., Ladi, E., Mayer-Pröschel, M., & Noble, M.
Affiliations
  • University of Utah (US)
  • Huntsman Cancer Institute, Department of Oncological Sciences, University of Utah, 2000 N. Medical Drive, Room 4280, Salt Lake City, UT 84112; Department of Biological Chemistry, UCLA School of Medicine, Los Angeles, CA 90095; and Center for Cancer Biology, AAB Institute for Biomedical Sciences, Box 633, University of Rochester, 601 Elmwood Ave, Rochester, NY 14610
Venue
Proceedings of the National Academy of Sciences
Published
2000-08-15
Volume
97
Issue
18
Pages
10032-10037
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2052133467
Cited by
399
References
53
Citations by year
2026: 2 · 2025: 4 · 2024: 14 · 2023: 6 · 2022: 3 · 2021: 9 · 2020: 12 · 2019: 13 · 2018: 8 · 2017: 15 · 2016: 15 · 2015: 22 · 2014: 23 · 2013: 28 · 2012: 27
FWCI
3.04
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Redox biology and oxidative stress
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
Keywords
cellular redox state, self-renewal, differentiation, glial precursor cells, growth factors, redox modulation, oxidative stress
MeSH terms
Acetylcysteine, Animals, Antioxidants, Cell Differentiation, Cells, Cultured, Flow Cytometry, Homeostasis, Neuroglia, Optic Nerve, Oxidation-Reduction, Platelet-Derived Growth Factor, Stem Cells, Oxidants, Buthionine Sulfoximine, tert-Butylhydroperoxide, Rats

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