title: Restriction fragment length polymorphisms and an HLA-DRw52-associated split.
abstract: The restriction fragment length polymorphism technique, employing seven restriction endonucleases, and a DR-specific repeated element probe were used to study a large panel of homozygous typing cells in order to delineate haplotypic differences within the HLA-DRw52 supertype. Most of the restriction endonucleases revealed the presence of two allelic restriction fragment length polymorphisms correlating with and splitting the HLA-DRw52 supertypic specificity. One designated A, correlated with the HLA-DRw52 typing in HLA-DR5, HLA-DR3, (non-A1, B8), and some HLA-DRw6 haplotypes. The other, designated a, correlated with the HLA-DRw52 typing in HLA-DR5, HLA-DRw8, HLA-DR3 (A1, B8), and the remaining HLA-DRw6 haplotypes. The general applicability of these findings was validated in 47 HLA-typed laboratory controls.
mesh_terms: D000483:Alleles; D006681:HLA-D Antigens / Q000235:genetics*; D006684:HLA-DR Antigens / Q000235:genetics*; D059810:HLA-DR Serological Subtypes; D006239:Haplotypes; D006801:Humans; D011110:Polymorphism, Genetic; D012150:Polymorphism, Restriction Fragment Length
chemical_list: D006681:HLA-D Antigens; D006684:HLA-DR Antigens; D059810:HLA-DR Serological Subtypes; C051104:HLA-DR52 antigen