Faculty Research 1980 - 1989

Selective reversal of H-2 linked genetic unresponsiveness to lysozymes. I. Non-H-2 gene(s) closely linked to the Ir-2 locus on chromosome 2 permit(s) an antilysozyme response in H-2b mice.

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Antibody-Formation, Chromosome-Mapping, Genes-Dominant, Genes-Immune-Response, H-2-Antigens: ge, Immunologic-Memory, Linkage-(Genetics), Lymphocyte-Transformation, Mice, Mice-Inbred-Strains: im, Muramidase: im, Species-Specificity, SUPPORT-U-S-GOVT-P-H-S

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Immunogenetics. 1984; 20(5):535-46.


CA24442, AI11183


Genes outside of the mouse major histocompatibility complex (H-2) were found to be capable of specifically reversing the previously described nonresponsiveness to hen egg-white lysozyme (HEL) owing to H-2b immune response (Ir) genes. C3H.SW, BALB.B, and C57L, all of the H-2b haplotype, showed responsiveness to HEL, but not to human lysozyme (HUL). Mapping of the reversing gene(s) was attempted by testing H-2b recombinant inbred (RI) strains of mice carrying C3H, BALB, and C57L non-H-2 genes. Analysis of the strain distribution pattern of responsiveness with both CXB and BXH RI strains was consistent with the location of the responsible site within the H-3 region on chromosome 2. The anti-HEL proliferative responsiveness in two H-3 congenic strains of mice, B10.C(28NX)SN and B10.C-H-3cH-3a, that have BALB/c genes within the H-3 region confirmed the mapping, as well as localized the reversing gene(s) near the Ir-2 gene. The data are discussed with regard to the site of expression of the reversing gene(s) and its mechanism of action.

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