Cited by 409Diabetes and associated disordersT-cell and B-cell ImmunologyDiabetes Management and Research

Expanded T cells from pancreatic lymph nodes of type 1 diabetic subjects recognize an insulin epitope

Kent, Sally C., Chen, Yahua, Bregoli, Lisa, Clemmings, Sue M., Kenyon, Norma Sue, Ricordi, Camillo, Hering, Bernhard J., Hafler, David A.·2005·Nature

Abstract

In autoimmune type 1 diabetes, pathogenic T lymphocytes are associated with the specific destruction of insulin-producing beta-islet cells. Identification of the autoantigens involved in triggering this process is a central question. Here we examined T cells from pancreatic draining lymph nodes, the site of islet-cell-specific self-antigen presentation. We cloned single T cells in a non-biased manner from pancreatic draining lymph nodes of subjects with type 1 diabetes and from non-diabetic controls. A high degree of T-cell clonal expansion was observed in pancreatic lymph nodes from long-term diabetic patients but not from control subjects. The oligoclonally expanded T cells from diabetic subjects with DR4, a susceptibility allele for type 1 diabetes, recognized the insulin A 1-15 epitope restricted by DR4. These results identify insulin-reactive, clonally expanded T cells from the site of autoinflammatory drainage in long-term type 1 diabetics, indicating that insulin may indeed be the target antigen causing autoimmune diabetes.

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Crossref · 10.1038/nature03625

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  • This finding, combined with independent investigations in humans and rodent models, supports the growing notion that proinsulin is a key autoantigen in type 1 diabetes.

    “This finding, combined with an extensive series of independent investigations in humans and in rodent models of type 1 diabetes, support the growing notion that proinsulin is a key autoantigen in the disease;69”

    From Type 1 diabetes (2014) · cites this paper as [69]

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Authors
Kent, S. C., Chen, Y., Bregoli, L., Clemmings, S. M., Kenyon, N. S., Ricordi, C., Hering, B. J., & Hafler, D. A.
Affiliations
  • Brigham and Women's Hospital (US)
  • University of Minnesota (US)
  • University of Miami (US)
Corresponding author
Hafler, David A.
Venue
Nature
Published
2005-05
Volume
435
Issue
7039
Pages
224-228
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W1981165130
Cited by
409
References
2
Citations by year
2026: 4 · 2025: 2 · 2024: 5 · 2023: 15 · 2022: 7 · 2021: 9 · 2020: 7 · 2019: 21 · 2018: 9 · 2017: 19 · 2016: 14 · 2015: 23 · 2014: 14 · 2013: 16 · 2012: 27
FWCI
26.24
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Diabetes and associated disorders
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Management and Research
Keywords
type 1 diabetes, insulin autoantigen, T cell clonal expansion, HLA-DR4, autoimmunity, beta cell destruction, NOD mice, autoantibodies, islet transplantation, antigen-specific immunotherapy
MeSH terms
Alleles, Amino Acid Sequence, Clone Cells, Diabetes Mellitus, Type 1, HLA-DR Antigens, Humans, Insulin, Lymph Nodes, Molecular Sequence Data, Pancreas, Receptors, Antigen, T-Cell, Substrate Specificity, T-Lymphocytes, Case-Control Studies, Epitopes, T-Lymphocyte, HLA-DRB1 Chains

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