Linkage disequilibrium between the HLA-DQA2 alleles and the HLA/DR/DQ complex. 1991

S Ratanachaiyavong, and J L Bidwell, and E A Bidwell, and A M McGregor
Department of Medicine, King's College School of Medicine and Dentistry, London, United Kingdom.

A statistically significant association was observed between alleles of the HLA-DQA2 and of the DR/DQ complex in a DNA-restriction fragment length polymorphism study of 219 members from 21 multiplex families of patients with hyperthyroid Graves' disease and 773 unrelated individuals selected for homozygosity of the HLA-DQA2 alleles. This data provides evidence for linkage disequilibrium rather than for a hot spot of recombination within the HLA-DQ subregion.

UI MeSH Term Description Entries
D012150 Polymorphism, Restriction Fragment Length Variation occurring within a species in the presence or length of DNA fragment generated by a specific endonuclease at a specific site in the genome. Such variations are generated by mutations that create or abolish recognition sites for these enzymes or change the length of the fragment. RFLP,Restriction Fragment Length Polymorphism,RFLPs,Restriction Fragment Length Polymorphisms
D006683 HLA-DQ Antigens A group of the D-related HLA antigens found to differ from the DR antigens in genetic locus and therefore inheritance. These antigens are polymorphic glycoproteins comprising alpha and beta chains and are found on lymphoid and other cells, often associated with certain diseases. HLA-DC Antigens,HLA-MB Antigens,HLA-DC,HLA-DQ,HLA-DS,HLA-DS Antigens,HLA-LB,HLA-LB Antigens,HLA-MB,Antigens, HLA-DC,Antigens, HLA-DQ,Antigens, HLA-DS,Antigens, HLA-LB,Antigens, HLA-MB,HLA DC Antigens,HLA DQ Antigens,HLA DS Antigens,HLA LB Antigens,HLA MB Antigens
D006684 HLA-DR Antigens A subclass of HLA-D antigens that consist of alpha and beta chains. The inheritance of HLA-DR antigens differs from that of the HLA-DQ ANTIGENS and HLA-DP ANTIGENS. HLA-DR,Antigens, HLA-DR,HLA DR Antigens
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000483 Alleles Variant forms of the same gene, occupying the same locus on homologous CHROMOSOMES, and governing the variants in production of the same gene product. Allelomorphs,Allele,Allelomorph
D015810 Linkage Disequilibrium Nonrandom association of linked genes. This is the tendency of the alleles of two separate but already linked loci to be found together more frequently than would be expected by chance alone. Disequilibrium, Linkage,Disequilibriums, Linkage,Linkage Disequilibriums

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