Cited by 246Neurogenesis and neuroplasticity mechanismsNeonatal and fetal brain pathologyRedox biology and oxidative stress

Oxidative stress disrupts oligodendrocyte maturation

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French, Heather Morein, Reid, Mary, Mamontov, Polina, Simmons, Rebecca A., Grinspan, Judith B.·2009·Journal of Neuroscience Research

Abstract

Periventricular white matter injury (PWMI) is the leading cause of chronic neurologic injury among survivors of preterm birth. The hallmark of PWMI is hypomyelination and a lack of mature, myelinating oligodendrocytes. Oligodendrocytes undergo a well‐characterized lineage progression from neural stem cell to mature oligodendrocyte. Oligodendrocyte precursors have increased susceptibility to oxidative and free radical‐mediated injury compared with mature oligodendrocytes as a result of lower levels of antioxidant enzymes and free radical scavengers. In this study, we show that oxidative stress disrupts oligodendrocyte differentiation by two mechanisms. First, oxidizing agents decrease the expression of key genes that promote oligodendrocyte differentiation from neural stem cells and increase the expression of genes known to inhibit differentiation. Second, global histone acetylation persists under conditions of oxidative stress, further contributing to the prevention of oligodendrocyte differentiation. Both of these mechanisms result in the arrest of oligodendrocyte differentiation without an increase in cell death. © 2009 Wiley‐Liss, Inc.

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  • Oligodendrocyte progenitor cells in late development are particularly susceptible to injury under chronic hypoxia and oxidative stress in ischemic white matter.

    “First, OPC in the late stage of development are particularly susceptible to injury in conditions of chronic hypoxia and oxidative stress existing in the ischemic white matter (Back et al., 2011; 2002; Fernando et al., 2006; French et al., 2009).”

    From The Pathobiology of Vascular Dementia (2013) · cites this paper as French et al., 2009

  • The intracellular redox state controls the proliferation and differentiation of oligodendrocytes, and low glutathione levels affect oligodendrocyte maturation.

    “Furthermore, the intracellular redox state controls the proliferation and differentiation of oligodendrocytes (Li et al., 2007; Smith et al., 2000; Do et al., 2012), and low GSH levels affect oligodendrocyte maturation (French et al., 2009).”

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  1. Volpe JJ 2001b Neurology of the newborn Philadelphia W.B. Saunders 2001

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Authors
French, H. M., Reid, M., Mamontov, P., Simmons, R. A., & Grinspan, J. B.
Affiliations
Children's Hospital of Philadelphia (US)
Corresponding author
  • Simmons, Rebecca A.
  • Grinspan, Judith B.
Venue
Journal of Neuroscience Research
Publisher
Wiley
Published
2009-05-28
Volume
87
Issue
14
Pages
3076-3087
ISSN
  • 0360-4012 (ISSN-L)
  • 1097-4547
OpenAlex
W2015778757
Cited by
246
References
78
Citations by year
2026: 25 · 2025: 18 · 2024: 20 · 2023: 18 · 2022: 22 · 2021: 24 · 2020: 18 · 2019: 16 · 2018: 10 · 2017: 15 · 2016: 14 · 2015: 10 · 2014: 15 · 2013: 7 · 2012: 5
FWCI
1.46
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroscience Research (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Multiple Sclerosis Society
  • National Institutes of Health
  • National Institute on Aging (AG20898, R01AG020898)
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Neonatal and fetal brain pathology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Redox biology and oxidative stress
Keywords
oxidative stress, oligodendrocyte maturation, oligodendrocyte differentiation, periventricular white matter injury, preterm birth, hypomyelination, histone acetylation, neural stem cells, oligodendrocyte precursor cells, antioxidant enzymes, gene expression regulation
MeSH terms
Acetylation, Animals, Cell Differentiation, Cells, Cultured, Electrophoresis, Polyacrylamide Gel, Histones, Immunohistochemistry, Oligodendroglia, Blotting, Western, Gene Expression, Rats, Sprague-Dawley, Apoptosis, Oxidative Stress, Gene Expression Regulation, Developmental, Reverse Transcriptase Polymerase Chain Reaction, In Situ Nick-End Labeling, Rats

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