Cited by 521Adipokines, Inflammation, and Metabolic DiseasesT-cell and B-cell ImmunologyDiabetes and associated disorders

B cells promote inflammation in obesity and type 2 diabetes through regulation of T-cell function and an inflammatory cytokine profile

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DeFuria, Jason, Belkina, Anna C., Jagannathan-Bogdan, Madhumita, Snyder-Cappione, Jennifer, Carr, Jordan David, Nersesova, Yanina R., Markham, Douglas, Strissel, Katherine J. +11 more·2013·Proceedings of the National Academy of Sciences

Abstract

Patients with type 2 diabetes (T2D) have disease-associated changes in B-cell function, but the role these changes play in disease pathogenesis is not well established. Data herein show B cells from obese mice produce a proinflammatory cytokine profile compared with B cells from lean mice. Complementary in vivo studies show that obese B cell–null mice have decreased systemic inflammation, inflammatory B- and T-cell cytokines, adipose tissue inflammation, and insulin resistance (IR) compared with obese WT mice. Reduced inflammation in obese/insulin resistant B cell–null mice associates with an increased percentage of anti-inflammatory regulatory T cells (Tregs). This increase contrasts with the sharply decreased percentage of Tregs in obese compared with lean WT mice and suggests that B cells may be critical regulators of T-cell functions previously shown to play important roles in IR. We demonstrate that B cells from T2D (but not non-T2D) subjects support proinflammatory T-cell function in obesity/T2D through contact-dependent mechanisms. In contrast, human monocytes increase proinflammatory T-cell cytokines in both T2D and non-T2D analyses. These data support the conclusion that B cells are critical regulators of inflammation in T2D due to their direct ability to promote proinflammatory T-cell function and secrete a proinflammatory cytokine profile. Thus, B cells are potential therapeutic targets for T2D.

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  • Adipose tissue-resident B cells, which are localized around macrophage clusters, have also been shown to have a predominant pathogenic role in obesity-related IR in mice.

    “Adipose tissue‐resident B cells, which are localized around macrophage clusters, have also been shown to have a predominant pathogenic role in obesity‐related IR in mice.[ 68 ]”
  • These pathogenic B cells activate IFNγ-producing CD4+ and CD8+ T cells and/or IL-17-secreting Th1 cells within the visceral adipose tissues, presumably through LTB4/leukotriene-B4 receptor 1 (LTB4R1) signalling.

    “These pathogenic B cells activate IFNγ‐producing CD4+ and CD8 + T cells and/or IL‐17‐secreting Th1 cells within the visceral adipose tissues, presumably through LTB4/leukotriene‐B4 receptor 1 (LTB4R1) signalling.”

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Authors
DeFuria, J., Belkina, A. C., Jagannathan-Bogdan, M., Snyder-Cappione, J., Carr, J. D., Nersesova, Y. R., Markham, D., Strissel, K. J., Watkins, A. A., Zhu, M., Allen, J., Bouchard, J., Toraldo, G., Jasuja, R., Obin, M. S., McDonnell, M. E., Apovian, C., Denis, G. V., & Nikolajczyk, B. S.
Affiliations
  • Boston University (US)
  • Cancer Research Center (US)
  • Department of Pathology, Boston University School of Medicine, Boston, MA 02118;
  • Department of Microbiology,
  • Boston Medical Center (US)
  • Tufts University (US)
  • Renal Section and
Venue
Proceedings of the National Academy of Sciences
Published
2013-03-11
Volume
110
Issue
13
Pages
5133-5138
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2144821774
Cited by
521
References
39
Citations by year
2026: 17 · 2025: 36 · 2024: 31 · 2023: 32 · 2022: 50 · 2021: 50 · 2020: 43 · 2019: 37 · 2018: 42 · 2017: 51 · 2016: 36 · 2015: 41 · 2014: 31 · 2013: 23
FWCI
32.12
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Boston Area Diabetes Endocrinology Research Center (DK046200)
  • National Institutes of Health (DK046200, AI007309)
  • Boston Nutrition Obesity Research Center, Boston University
  • National Heart, Lung, and Blood Institute (T32HL007501, HL007501)
  • National Cancer Institute (U01CA182898)
  • National Institute of Allergy and Infectious Diseases (T32AI007309, AI007309)
  • National Institute of Diabetes and Digestive and Kidney Diseases (R56DK090455, P30DK046200, DK046200, R21DK089270, R56DK096525)
  • National Institute of Dental and Craniofacial Research (R21DE021154)
Topics
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Diabetes and associated disorders
Keywords
B cells, type 2 diabetes, obesity, inflammation, insulin resistance, regulatory T cells, T cell function, inflammatory cytokines, adipose tissue inflammation, monocytes, contact-dependent signaling, therapeutic target
MeSH terms
Animals, B-Lymphocytes, Diabetes Mellitus, Type 2, Female, Humans, Inflammation, Male, Mice, Obese, Obesity, Cytokines, T-Lymphocytes, Regulatory, Mice

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