Cited by 248T-cell and B-cell ImmunologySystemic Lupus Erythematosus ResearchImmune Response and Inflammation

Age-Associated B Cells: A T-bet–Dependent Effector with Roles in Protective and Pathogenic Immunity

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Rubtsova, Kira, Rubtsov, Anatoly V, Cancro, Michael P, Marrack, Philippa·2015·The Journal of Immunology

Abstract

A newly discovered B cell subset, age-associated B cells, expresses the transcription factor T-bet, has a unique surface phenotype, and accumulates progressively with age. Moreover, B cells with these general features are associated with viral infections and autoimmunity in both mice and humans. In this article, we review current understanding of the characteristics, origins, and functions of these cells. We also suggest that the protective versus pathogenic actions of these cells reflect appropriate versus aberrant engagement of regulatory mechanisms that control the Ab responses to nucleic acid–containing Ags.

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Crossref · 10.4049/jimmunol.1501209

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  • Age-associated B cells (ABCs; CD11c+T-bet+) and regulatory T cells (Tregs) are key regulators of immune tolerance in aging, and their expansion or loss, respectively, has been implicated in age-related autoimmunity and chronic inflammation.

    “Age-associated B cells (ABCs; CD11c+T-bet+) and regulatory T cells (Tregs) are key regulators of immune tolerance in aging, and their expansion or loss, respectively, has been implicated in age-related autoimmunity and chronic inflammation [25–29].”

    From PLCγ2 deficiency compromises systemic immune tolerance and erodes myelin homeostasis while enhancing oxidative metabolism in the mouse brain (2026) · cites this paper as [25]

    The sections on ABC characteristics and accumulation with age (page not provided) identify CD11c-positive, T-bet-dependent ABCs and link their accumulation to aging and autoimmunity. The paper does not establish that ABCs are key regulators of immune tolerance, and the passages found do not address Tregs or the effects of Treg loss. It suggests that elevated inflammatory cytokines may promote ABC expansion, rather than establishing that ABC expansion causes chronic inflammation. (LLM, conf=0.88)

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Authors
Rubtsova, K., Rubtsov, A. V., Cancro, M. P., & Marrack, P.
Affiliations
  • Howard Hughes Medical Institute (US)
  • University of Pennsylvania (US)
Corresponding author
  • Rubtsova, Kira
  • Marrack, Philippa
Venue
The Journal of Immunology
Published
2015-09-01
Volume
195
Issue
5
Pages
1933-1937
ISSN
  • 0022-1767 (ISSN-L)
  • 1550-6606
OpenAlex
W2120679720
Cited by
246
References
57
Citations by year
2026: 21 · 2025: 27 · 2024: 11 · 2023: 22 · 2022: 28 · 2021: 32 · 2020: 25 · 2019: 33 · 2018: 17 · 2017: 19 · 2016: 10 · 2015: 1
FWCI
1.47
Type
journal article
Language
en
Open access
Locations
  • The Journal of Immunology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Howard Hughes Medical Institute
  • National Institute on Aging (R01AG-16841, R01AG016841)
  • National Institute of Allergy and Infectious Diseases (AI-18785, T32AI074491, R37AI018785, R56AI018785, R01AI118691, R01AI018785)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Health Sciences › Medicine › Rheumatology › Systemic Lupus Erythematosus Research
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
Keywords
age-associated B cells, T-bet, B cell differentiation, aging, autoimmunity, viral infection, antibody response, B-cell origin, protective immunity
MeSH terms
T-bet Transcription Factor, Aging, Animals, Humans, Inflammation, Signal Transduction, Autoimmunity, B-Lymphocyte Subsets, Models, Immunological, T-Box Domain Proteins, Mice

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