The contribution of i-abm12 to the production of autoantibodies to dsDNA

Bor Luen Chiang, Daniel Cawley, Aftab A. Ansari, M. Eric Gershwin

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The development of IgG autoantibodies to dsDNA in NZBxNZW Fl (NZB/W) and NZBxSWR Fl (SNF1) mice have been linked to specific alleles of MHC class II genes contributed by the NZW and SWR parents respectively. Recently, our laboratory has shown that the introduction of the bml2 mutation into NZB mice (NZB.H-2bm12) results in mice which are phenotypically similar to NZB/W Fl mice and, in particular, develop IgG anti-dsDNA antibodies. A variety of immune abnormalities have been described in autoimmune NZB (H-2d) mice. It is, however, unclear at present, whether all these abnormalities are due to the influence or effect of a single set of linked genes or due to multiple genes. It was reasoned that NZB.H-2bml2 mice provide a unique opportunity to examine this issue. Specifically, we bred a series of five different Fl colonies of mice: (a) NZB.H-2bml2/b Fl;b) NZB.H-2bml2/d Fl;c) NZB-H-2b/d Fl;d) NZB-H-2bm12xB6.C-H-2bm12 Fl (NZB/B6.H-2bm12 Fl);and (e) NZBxB6.C-H-2bm12 Fl (NZB/B6.H-2d/bm12 Fl) mice. All groups of mice were serially followed for the appearance of IgM and IgG anti-ssDNA and anti-dsDNA antibodies, splenic CFU-B, spontaneous secretion of IgM, FMF analysis, proteinuria and survival. We report herein that H-2bm12 genes have a dominant influence on the appearance of IgG anti-dsDNA antibodies. In contrast, antibodies to ssDNA, IgM secreting cells, CFU-B and Ly-1 B cells are linked to genes from the NZB background. Finally, we particularly note an absence of IgG antibodies to dsDNA in NZB-H-2b/d Fl mice.

Original languageEnglish (US)
Pages (from-to)81-88
Number of pages8
JournalAutoimmunity
Volume11
Issue number2
DOIs
StatePublished - 1991
Externally publishedYes

Fingerprint

Autoantibodies
Immunoglobulin G
Inbred NZB Mouse
Anti-Idiotypic Antibodies
Genes
Immunoglobulin M
MHC Class II Genes
Antibodies
Survival Analysis
Proteinuria
B-Lymphocytes
Alleles
Mutation

Keywords

  • Autoimmunity
  • DsDNA
  • Murine lupus

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

Cite this

Chiang, B. L., Cawley, D., Ansari, A. A., & Gershwin, M. E. (1991). The contribution of i-abm12 to the production of autoantibodies to dsDNA. Autoimmunity, 11(2), 81-88. https://doi.org/10.3109/08916939109035138

The contribution of i-abm12 to the production of autoantibodies to dsDNA. / Chiang, Bor Luen; Cawley, Daniel; Ansari, Aftab A.; Gershwin, M. Eric.

In: Autoimmunity, Vol. 11, No. 2, 1991, p. 81-88.

Research output: Contribution to journalArticle

Chiang, BL, Cawley, D, Ansari, AA & Gershwin, ME 1991, 'The contribution of i-abm12 to the production of autoantibodies to dsDNA', Autoimmunity, vol. 11, no. 2, pp. 81-88. https://doi.org/10.3109/08916939109035138
Chiang, Bor Luen ; Cawley, Daniel ; Ansari, Aftab A. ; Gershwin, M. Eric. / The contribution of i-abm12 to the production of autoantibodies to dsDNA. In: Autoimmunity. 1991 ; Vol. 11, No. 2. pp. 81-88.
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