Immune response of mice to the Thy-1.1 antigen: Effect of theIr-5 alleles studied in 129/J and B10.129 (6M) mice |
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Authors: | Marek B Zaleski |
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Institution: | 1. Department of Anatomy, College of Osteopathic Medicine, Michigan State University, 48824, East Lansing, Michigan
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Abstract: | The primary immune response to the Thy-1.1 antigen was measured by a plaque assay that detected cells producing antibodies lytic for AKR thymocytes. B10.129(6M) mice carrying theH-2 complex of an intermediate responder (129) on a low-responder (B10) background, were low responders. Studies employing different F1 hybrids and segregating generations of 129/J and 6M mice indicated that differences in responsiveness of those two strains depend on alleles at a single locus, loosely linked to theH-2 complex. These results lend further support to the previously advanced concept that the expression of theIr-Thy-1 allcles controlling the response to the Thy-1.1 antigen is influenced by the alleles at theIr-5 locus. In addition, studies employing F1 hybrids produced through matings of 129/J, 6M, C3H.B10 and C57BL/6J mice to a panel of inbred strains suggested that in regard to the responsiveness to the Thy-1.1 antigen, 129/J and 6M mice are phenotypically, and presumably genotypically, similar to C3H.B10 and C57BL/6J mice, respectively. |
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