Peripheral CD4+ T-cell tolerance is induced in vivo by rare antigen-bearing B cells in follicular, marginal zone, and B-1 subsets

Susan Murray, Katelynne Gardner Toren, David Parker

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

B cells are efficient APCs when they internalize antigen via BCR-mediated uptake. Adoptively transferred antigen-presenting B cells can induce T-cell tolerance to foreign and self antigens; however, it is unknown whether endogenous B cells presenting self-peptides interact with naïve T cells and contribute to peripheral T-cell self-tolerance. Moreover, the relative abilities of mature B-cell subsets to induce T-cell tolerance have not been examined. To address these questions, we created a new mouse model wherein a very small fraction of B cells expresses an antigen transgene that cannot be transferred to other APCs. We limited antigen expression to follicular, marginal zone, or B-1 B-cell subsets and found that small numbers of each subset interacted with naïve antigen-specific T cells. Although antigen expressed by B-1 B cells induced the most T-cell division, divided T cells subsequently disappeared from secondary lymphoid tissues. Independent of which B-cell subset presented antigen, the remaining T cells were rendered hypo-responsive, and this effect was not associated with Foxp3 expression. Our data show that physiologically relevant proportions of B cells can mediate peripheral T-cell tolerance, and suggest that the mechanisms of tolerance induction might differ among follicular, marginal zone, and B-1 B-cell subsets.

Original languageEnglish (US)
Pages (from-to)1818-1827
Number of pages10
JournalEuropean Journal of Immunology
Volume43
Issue number7
DOIs
StatePublished - Jul 2013

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B-Lymphocytes
T-Lymphocytes
Antigens
B-Lymphocyte Subsets
Self Tolerance
Autoantigens
Lymphoid Tissue
Antigen-Presenting Cells
Transgenes
Cell Division
Peptides

Keywords

  • B-cell subsets
  • CD4 T cells
  • Tolerance

ASJC Scopus subject areas

  • Immunology
  • Immunology and Allergy

Cite this

Peripheral CD4+ T-cell tolerance is induced in vivo by rare antigen-bearing B cells in follicular, marginal zone, and B-1 subsets. / Murray, Susan; Toren, Katelynne Gardner; Parker, David.

In: European Journal of Immunology, Vol. 43, No. 7, 07.2013, p. 1818-1827.

Research output: Contribution to journalArticle

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