HLA-DR genes and antigens in the Danish population. A study of 500 unrelated Danes. 1981

M Madsen, and B Graugaard, and L U Lamm, and F Jørgensen, and F Kissmeyer-Nielsen

Five hundred unrelated Danes, including 202 healthy individuals, 35 cadaveric kidney donors, and 263 patients in terminal uraemia were typed for the HLA-DR antigens DR1-w8. The HLA-DR gene frequencies of healthy Danes are in good agreement with frequencies estimated during The Eighth International Histocompatibility Workshop of the Scandinavian population, but differ to some extent from other groups of European Caucasians. This indicates geographical variation in the distribution of DR genes within Europe. Very close associations were found between the HLA-DR antigens and their corresponding HLA-D specificities, except for Dw4 and Dw6, which were included in DR4 and DRw6, respectively. Linkage disequilibrium was calculated between alleles of two loci (HLA-A, -DR; -B, -DR and -C, -DR alleles was assessed for multiple loci by using haplotype data from 32 HLA-A, -B, -C, -D, -DR, and Bf typed Danish families. The haplotype data showed that HLA-DR4 is strongly associated with HLA-B15 only in haplotypes together with HLA-Dw4. This indicates genetic heterogeneity of HLA-DR4 which, however, does not appear serologically in this study.

UI MeSH Term Description Entries
D008297 Male Males
D008433 Mathematics The deductive study of shape, quantity, and dependence. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed) Mathematic
D010641 Phenotype The outward appearance of the individual. It is the product of interactions between genes, and between the GENOTYPE and the environment. Phenotypes
D003718 Denmark A country in northern Europe, bordering the Baltic Sea and the North Sea. The capital is Copenhagen. Faeroe Islands,Faroe Islands
D005260 Female Females
D005787 Gene Frequency The proportion of one particular in the total of all ALLELES for one genetic locus in a breeding POPULATION. Allele Frequency,Genetic Equilibrium,Equilibrium, Genetic,Allele Frequencies,Frequencies, Allele,Frequencies, Gene,Frequency, Allele,Frequency, Gene,Gene Frequencies
D005802 Genes, MHC Class II Genetic loci in the vertebrate major histocompatibility complex that encode polymorphic products which control the immune response to specific antigens. The genes are found in the HLA-D region in humans and include H-2M, I-A, and I-E loci in mice. Class II Genes,Genes, Class II,Genes, HLA Class II,MHC Class II Genes,Class II Gene,Gene, Class II
D006650 Histocompatibility Testing Identification of the major histocompatibility antigens of transplant DONORS and potential recipients, usually by serological tests. Donor and recipient pairs should be of identical ABO blood group, and in addition should be matched as closely as possible for HISTOCOMPATIBILITY ANTIGENS in order to minimize the likelihood of allograft rejection. (King, Dictionary of Genetics, 4th ed) Crossmatching, Tissue,HLA Typing,Tissue Typing,Crossmatchings, Tissue,HLA Typings,Histocompatibility Testings,Testing, Histocompatibility,Testings, Histocompatibility,Tissue Crossmatching,Tissue Crossmatchings,Tissue Typings,Typing, HLA,Typing, Tissue,Typings, HLA,Typings, Tissue
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000949 Histocompatibility Antigens Class II Large, transmembrane, non-covalently linked glycoproteins (alpha and beta). Both chains can be polymorphic although there is more structural variation in the beta chains. The class II antigens in humans are called HLA-D ANTIGENS and are coded by a gene on chromosome 6. In mice, two genes named IA and IE on chromosome 17 code for the H-2 antigens. The antigens are found on B-lymphocytes, macrophages, epidermal cells, and sperm and are thought to mediate the competence of and cellular cooperation in the immune response. The term IA antigens used to refer only to the proteins encoded by the IA genes in the mouse, but is now used as a generic term for any class II histocompatibility antigen. Antigens, Immune Response,Class II Antigens,Class II Histocompatibility Antigen,Class II Major Histocompatibility Antigen,Ia Antigens,Ia-Like Antigen,Ia-Like Antigens,Immune Response Antigens,Immune-Associated Antigens,Immune-Response-Associated Antigens,MHC Class II Molecule,MHC II Peptide,Class II Antigen,Class II Histocompatibility Antigens,Class II MHC Proteins,Class II Major Histocompatibility Antigens,Class II Major Histocompatibility Molecules,I-A Antigen,I-A-Antigen,IA Antigen,MHC Class II Molecules,MHC II Peptides,MHC-II Molecules,Antigen, Class II,Antigen, I-A,Antigen, IA,Antigen, Ia-Like,Antigens, Class II,Antigens, Ia,Antigens, Ia-Like,Antigens, Immune-Associated,Antigens, Immune-Response-Associated,I A Antigen,II Peptide, MHC,Ia Like Antigen,Ia Like Antigens,Immune Associated Antigens,Immune Response Associated Antigens,MHC II Molecules,Molecules, MHC-II,Peptide, MHC II,Peptides, MHC II

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