Cited by 536Neurogenesis and neuroplasticity mechanismsMultiple Sclerosis Research StudiesMesenchymal stem cell research

Regulatory T cells promote myelin regeneration in the central nervous system

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Dombrowski, Yvonne, O'Hagan, Thomas, Dittmer, Marie, Penalva, Rosana, Mayoral, Sonia R, Bankhead, Peter, Fleville, Samara, Eleftheriadis, George +17 more·2017·Nature Neuroscience

Abstract

Regeneration of myelin is a dynamic, yet enigmatic process. Dombrowski et al. uncover a central role for regulatory T (Treg) cells in driving oligodendrocyte differentiation, in part via CCN3, a novel factor in Treg function and oligodendrocyte biology. This identifies Treg cells as key cellular players in efficient remyelination. Regeneration of CNS myelin involves differentiation of oligodendrocytes from oligodendrocyte progenitor cells. In multiple sclerosis, remyelination can fail despite abundant oligodendrocyte progenitor cells, suggesting impairment of oligodendrocyte differentiation. T cells infiltrate the CNS in multiple sclerosis, yet little is known about T cell functions in remyelination. We report that regulatory T cells (Treg) promote oligodendrocyte differentiation and (re)myelination. Treg-deficient mice exhibited substantially impaired remyelination and oligodendrocyte differentiation, which was rescued by adoptive transfer of Treg. In brain slice cultures, Treg accelerated developmental myelination and remyelination, even in the absence of overt inflammation. Treg directly promoted oligodendrocyte progenitor cell differentiation and myelination in vitro. We identified CCN3 as a Treg-derived mediator of oligodendrocyte differentiation and myelination in vitro. These findings reveal a new regenerative function of Treg in the CNS, distinct from immunomodulation. Although the cells were originally named 'Treg' to reflect immunoregulatory roles, this also captures emerging, regenerative Treg functions.

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Crossref · 10.1038/nn.4528

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  • Dombrowski and colleagues demonstrated that T reg cells promote oligodendrocyte differentiation and myelin repair, counteracting the pro-inflammatory and cytotoxic effects of Th1, Th17, and cytotoxic T cell subpopulations.

    “In a recent study, Dombrowski and colleagues demonstrated that T reg cells promote oligodendrocyte differentiation and myelin repair counteracting the well-known pro-inflammatory and cytotoxic effects of T h 1, T h 17, and cytotoxic T cell subpopulations (Dombrowski et al., 2017).”

    From Cuprizone‐induced demyelination triggers a <scp>CD8</scp>‐pronounced T cell recruitment (2021) · cites this paper as Dombrowski et al., 2017

    The Results sections on remyelination in vivo and oligodendrocyte differentiation in vitro show that Treg promote oligodendrocyte differentiation and myelin repair (page numbers unavailable in our copy). But the paper does not show that this repair counteracts the effects of Th1, Th17, or cytotoxic T cells. The Discussion describes the regenerative effect as distinct from immunomodulation. (LLM, conf=0.88)

    Experimental — accuracy not yet measured
  • Both detrimental and reparative effects of CD3+ lymphocytes have been demonstrated in MS animal models, including delay of and promotion of remyelination.

    “In principle, both detrimental and reparative effects of CD3 + lymphocytes have been demonstrated in MS animal models including the delay of, and promotion of remyelination (Baxi et al., 2015;Bieber, Kerr, & Rodriguez, 2003;Dombrowski et al., 2017;Wagner, Roqué, Mileur, Liggitt, & Goverman, 2020;Wang et al., 2010).”

    From Cuprizone‐induced demyelination triggers a <scp>CD8</scp>‐pronounced T cell recruitment (2021) · cites this paper as Dombrowski et al., 2017

    The Introduction says T cells can cause myelin damage and are required for successful remyelination. The Results show that CD3+ regulatory T cells are present in mouse lesions and that depleting them impairs remyelination. The paper does not show that CD3+ lymphocytes delay remyelination; its detrimental example concerns demyelination, not delayed repair. Our copy provides section labels but no page numbers. (LLM, conf=0.85)

    Experimental — accuracy not yet measured
  • Treg cells can promote oligodendrocyte progenitor cell differentiation and, thereby, myelin regeneration in the central nervous system.

    “For example, Treg cells can promote oligodendrocyte progenitor cell differentiation and, thereby, myelin regeneration in the central nervous system [450].”

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Authors
Dombrowski, Y., O'Hagan, T., Dittmer, M., Penalva, R., Mayoral, S. R., Bankhead, P., Fleville, S., Eleftheriadis, G., Zhao, C., Naughton, M., Hassan, R., Moffat, J., Falconer, J., Boyd, A., Hamilton, P., Allen, I. V., Kissenpfennig, A., Moynagh, P. N., Evergren, E., Perbal, B., Williams, A. C., Ingram, R. J., Chan, J. R., Franklin, R. J. M., & Fitzgerald, D. C.
Affiliations
  • Queen's University Belfast (GB)
  • University of California, San Francisco (US)
  • Wellcome/MRC Cambridge Stem Cell Institute (GB)
  • MRC Centre for Regenerative Medicine (GB)
  • Centre National de la Recherche Scientifique (FR)
Corresponding author
Fitzgerald, Denise C
Venue
Nature Neuroscience
Published
2017-03-13
Volume
20
Issue
5
Pages
674-680
ISSN
  • 1097-6256 (ISSN-L)
  • 1546-1726
OpenAlex
W2595073340
Cited by
533
References
41
Citations by year
2026: 47 · 2025: 60 · 2024: 77 · 2023: 62 · 2022: 60 · 2021: 61 · 2020: 55 · 2019: 57 · 2018: 37 · 2017: 16
FWCI
19.22
Type
journal article
Language
en
Open access
Locations
  • Nature Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • Maynooth University ePrints and eTheses Archive (Maynooth University) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Research Portal (Queen's University Belfast) (submittedVersion, other-oa)
  • eScholarship (California Digital Library) (submittedVersion)
  • Apollo (University of Cambridge) (submittedVersion)
  • Apollo
Funders
  • Memorial Sloan-Kettering Cancer Center
  • Wellcome Trust (WT104915MA, 110138/Z/15/Z, 110138, /Z/15/Z, 097922/Z/11/Z)
  • Leverhulme Trust (ECF-2014-390)
  • Multiple Sclerosis Society
  • Rosetrees Trust
  • National Institutes of Health
  • Directorate for Biological Sciences
  • Medical Research Council (MC_PC_12009, MR/K017047/1, WT104915MA)
  • Biotechnology and Biological Sciences Research Council (BB/J01026X/1, BB/N003721/1)
  • National Institute of General Medical Sciences (K12GM081266)
  • National Institute of Neurological Disorders and Stroke (R01NS095889)
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Multiple Sclerosis Research Studies
  • Health Sciences › Medicine › Genetics › Mesenchymal stem cell research
Keywords
regulatory T cells, remyelination, oligodendrocyte differentiation, oligodendrocyte precursor cells, CCN3, multiple sclerosis, myelination, central nervous system regeneration
MeSH terms
Animals, Brain, Cell Differentiation, Female, Male, Myelin Sheath, Oligodendroglia, Regeneration, Stem Cells, T-Lymphocytes, Regulatory, Mice, Nephroblastoma Overexpressed Protein

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