Abstract
Immunizations of C57BL/6 and A mice with IgA derived from the I/St mouse strain yield alloantisera which detect two allotypic determinants of immunoglobulin A. The two determinants display discrete strain distributions. The first, identified by the alloantiserum C57BL/6 anti-IgA of I/St strain hybridoma ID150, follows the Igh c haplotype, and the second, identified by the alloantiserum A anti-IgA of I/St strain hybridoma ID150, correlates with Igh c and Igh c haplotypes. Absorption with monoclonal IgM, which has the same idiotype as the ID150 IgA clone, removed idiotype-specific antibodies from both alloantisera. The remaining antibodies are directed against determinants associated with the α chain constant region, as shown by absorption with monoclonal IgA. By use of recombinant inbred strains of mice and mice congenic at the Igh locus, the loci controlling both Cα allotypic determinants have been mapped to the Igh region on chromosome 12.
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Abbreviations
- Ig:
-
immunoglobulin
- NMS:
-
normal mouse serum (sera)
References
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The genetic nomenclature of Green (1979) for mouse immunoglobulin loci was used in this report.
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Tada, N., Kimura, S., Binari, R. et al. New mouse immunoglobulin a heavy chain allotype specificities detected using the hybridoma-derived IgA of I/St Mice. Immunogenetics 13, 475–481 (1981). https://doi.org/10.1007/BF00343715
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DOI: https://doi.org/10.1007/BF00343715