Cited by 47Diabetes and associated disordersSystemic Lupus Erythematosus ResearchT-cell and B-cell Immunology

The Diabetes-Prone NZO/HlLt Strain. I. Immunophenotypic Comparison to the Related NZB/BlNJ and NZW/LacJ Strains

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Haskell, Bradford D, Flurkey, Kevin, Duffy, Theodore M, Sargent, Evelyn E, Leiter, Edward H·2002·Laboratory Investigation

Abstract

New Zealand Obese (NZO)/HlLt male mice exhibit a polygenic obesity and approximately 50% develop type 2 diabetes. This strain is known to produce a variety of autoantibodies, including autoantibodies to the insulin receptor. Because of their relatedness to the autoimmune-predisposed New Zealand Black (NZB) and New Zealand White (NZW) inbred strains, we compared NZO to its two related strains for shared hematologic and immunologic characteristics. Comparison of the three strains by serotyping and genotyping methods indicated that NZO shared with NZW the rare (recombinant) H2(z) haplotype at the major histocompatibility complex. Similar to the NZB and NZW strains, spleens from NZO mice contained increased numbers of CD19(+)CD43(+) IgM(+) B-1 B cells, a phenotype associated with natural autoantibody production. NZO mice developed a progressive microcytic anemia that was distinguished from NZB hemolytic anemia by absence of demonstrable antierythrocyte antibodies in the former. Outcross of NZO females with NZB males accelerated development of obesity and diabetes in F1 males. NZO males made B-lymphocyte-deficient by a disrupted immunoglobulin heavy chain gene did not become diabetic. These results suggest that NZO mice should be useful to investigators interested in studying the genetic contributions to autoimmunity made by the related NZW and NZB strains. Further, these results, combined with the pancreatic histopathology contained in the companion manuscript, suggest that B lymphocytes may be important contributors to diabetes pathogenesis in the NZO mouse.

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  • B lymphocyte deficiency in New Zealand obese mice prevented T2D development, implying that B cells may be vital for T2D pathogenesis.

    “Convincing evidence of autoimmunity being involved in T2D pathogenesis was also provided by a study that induced B lymphocyte deficiency in New Zealand obese mice (an obese polygenic mouse model of obesity and T2D), as B lymphocyte deficient mice were found to not develop T2D - this implies that B cells may be vital for T2D pathogenesis.316”

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  1. Snell GD (1976). Histocompatibility. New York: Academic Press, 401.

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Authors
Haskell, B. D., Flurkey, K., Duffy, T. M., Sargent, E. E., & Leiter, E. H.
Affiliations
Jackson Laboratory (US)
Corresponding author
Leiter, Edward H
Venue
Laboratory Investigation
Publisher
Elsevier BV
Published
2002-07
Volume
82
Issue
7
Pages
833-842
ISSN
0023-6837 (ISSN-L)
OpenAlex
W1990422085
Cited by
47
References
42
Citations by year
2026: 4 · 2024: 2 · 2023: 1 · 2022: 1 · 2021: 4 · 2020: 2 · 2019: 3 · 2018: 2 · 2017: 6 · 2016: 2 · 2015: 2 · 2014: 2 · 2013: 5 · 2012: 3
FWCI
0.89
Type
journal article
Language
en
Open access
Locations
  • Laboratory Investigation (publishedVersion)
  • PubMed (publishedVersion)
  • The Mouseion at the JAXlibrary (Jackson Laboratory) (submittedVersion)
Funders
  • National Institutes of Health (5r01dk056853-02)
  • National Cancer Institute (#CA34196, P30CA034196)
  • National Institute of Diabetes and Digestive and Kidney Diseases (DK 56853)
  • National Center for Research Resources (RR08911, P01-RR08911, P01RR008911)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Diabetes and associated disorders
  • Health Sciences › Medicine › Rheumatology › Systemic Lupus Erythematosus Research
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
Keywords
type 2 diabetes, polygenic obesity, autoimmunity, major histocompatibility complex, B-1 cells, natural autoantibodies, microcytic anemia, immunoglobulin heavy chain genes, B cells, diabetes pathogenesis, insulin receptor antibodies
MeSH terms
Animals, B-Lymphocytes, Crosses, Genetic, Diabetes Mellitus, Diabetes Mellitus, Type 1, Disease Models, Animal, Genotype, Male, Mice, Mutant Strains, Obesity, Serotyping, Spleen, T-Lymphocytes, B-Lymphocyte Subsets, T-Lymphocyte Subsets, Mice

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