Cited by 490Diabetes and associated disordersT-cell and B-cell ImmunologyPancreatic function and diabetes

Autoimmunity to two forms of glutamate decarboxylase in insulin-dependent diabetes mellitus

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Kaufman, D L, Erlander, M G, Clare-Salzler, M, Atkinson, M A, Maclaren, N K, Tobin, A J·1992·Journal of Clinical Investigation

Abstract

Insulin-dependent diabetes mellitus (IDDM) is thought to result from the autoimmune destruction of the insulin-producing beta cells of the pancreas. Years before IDDM symptoms appear, we can detect autoantibodies to one or both forms of glutamate decarboxylase (GAD65 and GAD67), synthesized from their respective cDNAs in a bacterial expression system. Individual IDDM sera show distinctive profiles of epitope recognition, suggesting different humoral immune responses. Although the level of GAD autoantibodies generally decline after IDDM onset, patients with IDDM-associated neuropathies have high levels of antibodies to GAD, years after the appearance of clinical IDDM. We note a striking sequence similarity between the two GADs and Coxsackievirus, a virus that has been associated with IDDM both in humans and in experimental animals. This similarity suggests that molecular mimicry may play a role in the pathogenesis of IDDM.

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  1. LaPorte, R., and K. Cruickshanks. 1988. Incidence and risk factors for insulin dependent diabetes mellitus. In Diabetes in America, National Diabetes Data Group. NIH Publication No. 85-1468. Chapter III, pp. 1-12.

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Authors
Kaufman, D. L., Erlander, M. G., Clare-Salzler, M., Atkinson, M. A., Maclaren, N. K., & Tobin, A. J.
Affiliations
University of California, Los Angeles (US)
Venue
Journal of Clinical Investigation
Published
1992-01-01
Volume
89
Issue
1
Pages
283-292
ISSN
0021-9738 (ISSN-L)
OpenAlex
W2154100983
Cited by
490
References
50
Citations by year
2026: 4 · 2025: 3 · 2024: 6 · 2023: 7 · 2022: 9 · 2021: 5 · 2020: 8 · 2019: 5 · 2018: 6 · 2017: 4 · 2016: 9 · 2015: 10 · 2014: 14 · 2013: 9 · 2012: 6
FWCI
24.20
Type
journal article
Language
en
Open access
Locations
  • Journal of Clinical Investigation (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • American Diabetes Association
  • National Institutes of Health
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 › Surgery › Pancreatic function and diabetes
Keywords
type 1 diabetes, glutamic acid decarboxylase, GAD65, GAD67, autoantibodies, autoimmunity, beta cell destruction, diabetic neuropathy, epitope recognition, molecular mimicry, Coxsackie virus
MeSH terms
Amino Acid Sequence, Epitopes, Autoantibodies, Autoantigens, Autonomic Nervous System, Diabetes Mellitus, Type 2, Diabetic Neuropathies, Enterovirus, Glutamate Decarboxylase, Humans, Islets of Langerhans, Isoenzymes, Molecular Sequence Data, Peptides, Sequence Homology, Nucleic Acid, Viral Proteins, Autoimmunity

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