Genetic characterization of mouse immunoglobulin allotypic determinants (allotopes) defined by monoclonal antibodies

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Abstract
We have generated a new series of monoclonal antibodies recognizing allotypic determinants on mouse IgG1, IgG2a, and IgG2b. In this communication we describe their reactivities with immunoglobulins of the inbred mouse strains. Comparison with serology charts indicates that many of these monoclonal antibodies detect allotypic specificities previously defined by conventional antisera; others define previously undescribed specificities. Strain and isotype distribution allows us to assign five new allotypic specificities to Igh-1 and three new specificities to Igh-3. In addition, on the basis of reactivity with the monoclonal antibodies, we have defined a new Igh haplotype in SWR/J mice, Igh p.