Claus Munck Petersen

Segregation of HLA-DR, -DQ and -DP phenotypes and restriction fragment length polymorphic fragments in two recombinant families

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Members of two families were typed for HLA-DR, -DQ and -DP specificities by means of sera and local PLT bulk reagents. One B:C and one DR:DP cross-over were identified in both families. The restriction fragment length polymorphism (RFLP) was analyzed by southern blotting and the use of DR beta, DR alpha, DQ beta, DQ alpha, DP beta and DP alpha probes. Previous observations concerning typical RFLP patterns for serological DR/DQ- and cellular DP-specificities were confirmed. With respect to recombinant haplotypes, RFLP was informative in both families. All polymorphic fragments-(DRB, DQA and B as well as DPA and B)-segregated together in the HLA-B:DR cross-overs. In the DR:DP recombinant children, the DR and DQ fragments were separated from DP fragments, demonstrating that DP-types as defined by PLT and RFLP map close together. No cross-hybridization between the segregating fragments was detected with the various probes.
Original languageEnglish
Pages (from-to)104-11
Number of pages8
Publication statusPublished - 1988

    Research areas

  • Female, HLA-DP Antigens, HLA-DQ Antigens, HLA-DR Antigens, Humans, Male, Phenotype, Polymorphism, Genetic, Polymorphism, Restriction Fragment Length, Recombination, Genetic

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