Cited by 1,012Neurogenesis and neuroplasticity mechanismsMultiple Sclerosis Research StudiesNeuroinflammation and Neurodegeneration Mechanisms

TNFα promotes proliferation of oligodendrocyte progenitors and remyelination

Arnett, Heather A., Mason, Jeff, Marino, Mike, Suzuki, Kinuko, Matsushima, Glenn K., Ting, Jenny P.-Y.·2001·Nature Neuroscience

Abstract

Here we used mice lacking tumor necrosis factor-alpha (TNF alpha) and its associated receptors to study a model of demyelination and remyelination in which these events could be carefully controlled using a toxin, cuprizone. Unexpectedly, the lack of TNF alpha led to a significant delay in remyelination as assessed by histology, immunohistochemistry for myelin proteins and electron microscopy coupled with morphometric analysis. Failure of repair correlated with a reduction in the pool of proliferating oligodendrocyte progenitors (bromodeoxyuridine-labeled NG2(+) cells) followed by a reduction in the number of mature oligodendrocytes. Analysis of mice lacking TNF receptor 1 (TNFR1) or TNFR2 indicated that TNFR2, not TNFR1, is critical to oligodendrocyte regeneration. This unexpected reparative role for TNF alpha in the CNS is important for understanding oligodendrocyte regeneration/proliferation, nerve remyelination and the design of new therapeutics for demyelinating diseases.

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Crossref · 10.1038/nn738

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Authors
Arnett, H. A., Mason, J., Marino, M., Suzuki, K., Matsushima, G. K., & Ting, J. P.-Y.
Affiliations
  • University of North Carolina at Chapel Hill (US)
  • Memorial Sloan Kettering Cancer Center (US)
Corresponding author
Ting, Jenny P.-Y.
Venue
Nature Neuroscience
Published
2001-10-15
Volume
4
Issue
11
Pages
1116-1122
ISSN
  • 1097-6256 (ISSN-L)
  • 1546-1726
OpenAlex
W1509596990
Cited by
1,012
References
48
Citations by year
2026: 26 · 2025: 30 · 2024: 37 · 2023: 39 · 2022: 40 · 2021: 43 · 2020: 46 · 2019: 43 · 2018: 34 · 2017: 40 · 2016: 36 · 2015: 45 · 2014: 46 · 2013: 45 · 2012: 51
FWCI
7.40
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of Neurological Disorders and Stroke (NS34190, R01NS034190)
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Multiple Sclerosis Research Studies
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
TNF-α, remyelination, demyelination, oligodendrocyte progenitors, oligodendrocyte proliferation, TNF receptor 1, TNF receptor 2, cuprizone, oligodendrocyte precursor cells, demyelinating disease, central nervous system regeneration
MeSH terms
Animals, B-Lymphocytes, Brain Chemistry, Corpus Callosum, Cuprizone, Demyelinating Diseases, Disease Models, Animal, Humans, Immunohistochemistry, Macrophages, Male, Monoamine Oxidase Inhibitors, Myelin Sheath, Oligodendroglia, Stem Cells, Tumor Necrosis Factor-alpha, Antigens, CD, Up-Regulation, Apoptosis, Microglia, Receptors, Tumor Necrosis Factor, Mice, Knockout, In Situ Nick-End Labeling, Receptors, Tumor Necrosis Factor, Type I, Receptors, Tumor Necrosis Factor, Type II, Mice

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