Cited by 109Adipokines, Inflammation, and Metabolic DiseasesT-cell and B-cell ImmunologyAdipose Tissue and Metabolism

B‐1a lymphocytes attenuate insulin resistance

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Shen, Lei, Chng, Melissa Hui Yen, Alonso, Michael N., Yuan, Robert, Winer, Daniel A., Engleman, Edgar G.·2015·Diabetes

Abstract

Obesity-associated insulin resistance, a common precursor of type 2 diabetes, is characterized by chronic inflammation of tissues, including visceral adipose tissue (VAT). Here we show that B-1a cells, a subpopulation of B lymphocytes, are novel and important regulators of this process. B-1a cells are reduced in frequency in obese high-fat diet (HFD)-fed mice, and EGFP interleukin-10 (IL-10) reporter mice show marked reductions in anti-inflammatory IL-10 production by B cells in vivo during obesity. In VAT, B-1a cells are the dominant producers of B cell–derived IL-10, contributing nearly half of the expressed IL-10 in vivo. Adoptive transfer of B-1a cells into HFD-fed B cell–deficient mice rapidly improves insulin resistance and glucose tolerance through IL-10 and polyclonal IgM-dependent mechanisms, whereas transfer of B-2 cells worsens metabolic disease. Genetic knockdown of B cell–activating factor (BAFF) in HFD-fed mice or treatment with a B-2 cell–depleting, B-1a cell–sparing anti-BAFF antibody attenuates insulin resistance. These findings establish B-1a cells as a new class of immune regulators that maintain metabolic homeostasis and suggest manipulation of these cells as a potential therapy for insulin resistance.

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  • In mice fed a high-fat diet, adipose tissue B1 cells ameliorate disease attributable to their production of IL-10 and polyclonal IgM.

    “In mice fed an HFD, adipose tissue B1 cells ameliorate disease attributable to their production of IL‐10 and polyclonal IgM( 51 ); however, a role for B1 cells in adipose tissue is yet to be confirmed in humans.”

    From The Emerging Role of B Cells in the Pathogenesis of NAFLD (2021) · cites this paper as [51]

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Authors
Shen, L., Chng, M. H. Y., Alonso, M. N., Yuan, R., Winer, D. A., & Engleman, E. G.
Affiliations
  • Shanghai Jiao Tong University (CN)
  • Stanford Medicine (US)
  • University Health Network (CA)
Corresponding author
  • Winer, Daniel A.
  • Engleman, Edgar G.
Venue
Diabetes
Published
2014-09-22
Volume
64
Issue
2
Pages
593-603
ISSN
  • 0012-1797 (ISSN-L)
  • 1939-327X
OpenAlex
W2105987065
Cited by
109
References
53
Citations by year
2026: 6 · 2025: 10 · 2024: 10 · 2023: 11 · 2022: 9 · 2021: 16 · 2020: 10 · 2019: 11 · 2018: 5 · 2017: 8 · 2016: 6 · 2015: 7
FWCI
5.29
Type
journal article
Language
en
Open access
Locations
  • Diabetes (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Canadian Diabetes Association (119414, CS-5-12-3886, OG-3-12-3844)
  • National Institutes of Health (1R01DK096038)
  • Canadian Institutes of Health Research (119414)
Topics
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
Keywords
insulin resistance, obesity, type 2 diabetes, visceral adipose tissue, IL-10, BAFF, high-fat diet, glucose tolerance, adoptive transfer, B cell-deficient mice, anti-inflammatory regulation, metabolic homeostasis
MeSH terms
Animals, Blood Glucose, Dietary Fats, Female, Gene Expression Regulation, Humans, Immunoglobulin M, Insulin Resistance, Male, Mice, Inbred C57BL, Middle Aged, Obesity, B-Lymphocyte Subsets, Interleukin-10, Glucose Intolerance, Mice

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