Cited by 436T-cell and B-cell ImmunologyImmune Response and InflammationMultiple Sclerosis Research Studies

TLR-Activated B Cells Suppress T Cell-Mediated Autoimmunity

Lampropoulou, Vicky, Hoehlig, Kai, Roch, Toralf, Neves, Patricia, Gómez, Elisabeth Calderón, Sweenie, Claire H, Hao, Yi, Freitas, Antonio A +3 more·2008·The Journal of Immunology

Abstract

TLR sense microbial infections, and control activation of immune responses. Dendritic cells, macrophages, and B lymphocytes express TLR and the TLR-signaling adaptor protein MyD88. The impact of TLR-activated B cells on T cell-mediated inflammation is unknown. In this study, we have used mice carrying B cell-restricted deficiencies in MyD88 or in distinct TLR to examine the impact of TLR-activated B cells on a T cell-mediated autoimmune disease, experimental autoimmune encephalomyelitis (EAE). We demonstrate that TLR-signaling in B cells suppresses inflammatory T cell responses (both Th1 and Th17), and stimulates recovery from EAE. Only certain TLR are required on B cells for resolution of EAE, and these are dispensable for disease initiation, indicating that a category of TLR agonists preferentially triggers a suppressive function in B cells and thereby limits autoimmune disease. The TLR agonists controlling the regulatory function of B cells are provided by components of Mycobacterium tuberculosis present in the adjuvant. Thus, MyD88 signaling in B cells antagonizes MyD88 signaling in other cells, which drives differentiation of Th17 cells and is required for induction of EAE. Altogether, our data indicate that B cells link recognition of microbial products via TLR to suppression of a T cell-mediated autoimmune disease.

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Crossref · 10.4049/jimmunol.180.7.4763

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  • Bregs are B cells with regulatory and immunosuppressive functions that maintain immunological homeostasis by producing IL-10, IL-35, and TGFβ, thereby suppressing immunopathology.

    “Bregs is a generic term used to define B cells endowed with regulatory and immunosuppressive functions. They play a crucial role in maintain­ ing immunological homeostasis by producing anti-inflammatory cyto­ kines such as interleukin-10 (IL-10), IL-35, and transforming growth factor-beta (TGFβ ), thereby suppressing immunopathology.”

    From Is there a role for B cells in Alzheimer's disease? (2026) · cites this paper as [58]

  • Breg differentiation is influenced by signals such as CD40 ligation, TLR stimulation, and cytokine exposure.

    “Their differentiation is influenced by signals such as CD40 ligation, TLR stimulation, and cytokine exposure [58,63,64].”

    From Is there a role for B cells in Alzheimer's disease? (2026) · cites this paper as [58]

  • Bregs inhibit the expansion of pathogenic T cells and other pro-inflammatory immune cells, thereby preventing excessive immune activation.

    “Bregs inhibit the expansion of pathogenic T cells and other pro-inflammatory immune cells, thereby preventing excessive immune activation [55 -58].”

    From Is there a role for B cells in Alzheimer's disease? (2026) · cites this paper as [58]

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Authors
Lampropoulou, V., Hoehlig, K., Roch, T., Neves, P., Gómez, E. C., Sweenie, C. H., Hao, Y., Freitas, A. A., Steinhoff, U., Anderton, S. M., & Fillatreau, S.
Affiliations
  • German Rheumatism Research Centre (DE)
  • Deutsches Rheuma-ForschungsZentrum , Berlin ,
  • University of Edinburgh (GB)
  • Centre National de la Recherche Scientifique (FR)
  • Unité de Recherche Associée Centre National de la Recherche Scientifique 1961, Institut Pasteur , Paris ,
  • Max Planck Institute for Infection Biology (DE)
Venue
The Journal of Immunology
Published
2008-04-01
Volume
180
Issue
7
Pages
4763-4773
ISSN
  • 0022-1767 (ISSN-L)
  • 1550-6606
OpenAlex
W1918941126
Cited by
436
References
81
Citations by year
2026: 11 · 2025: 7 · 2024: 11 · 2023: 13 · 2022: 17 · 2021: 23 · 2020: 13 · 2019: 17 · 2018: 24 · 2017: 24 · 2016: 41 · 2015: 31 · 2014: 34 · 2013: 40 · 2012: 33
FWCI
13.45
Type
journal article
Language
en
Open access
closed
Locations
  • The Journal of Immunology (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
  • Max Planck Institute for Plasma Physics (submittedVersion)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Multiple Sclerosis Research Studies
Keywords
MyD88, T cell-mediated autoimmunity, experimental autoimmune encephalomyelitis, Th17 cells, Th1 cells, B cell suppression, TLR agonists, dendritic cells, macrophages
MeSH terms
Animals, B-Lymphocytes, Dendritic Cells, Encephalomyelitis, Autoimmune, Experimental, Lymphocyte Activation, Mice, Inbred C57BL, Mycobacterium tuberculosis, T-Lymphocytes, Signal Transduction, Autoimmunity, Interleukin-10, Mice, Knockout, Toll-Like Receptors, Mice, Myeloid Differentiation Factor 88

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