Conservation of genes encoding HLA-B5 and B35 cross-reactive group antigens in various races. 1992

N Kato, and F Ward, and K Kano, and M Takiguchi
Department of Tumor Biology and Immunology, University of Tokyo, Japan.

HLA-B5 and B35 CREG antigens include HLA-B35, B51, B52, B53, and B78. Recent studies suggest that the genes encoding the HLA-B5, B35 CREG, and HLA-B58 antigens share a common ancestor. We sequenced the exons of the genes encoding HLA-B51, B53, and B58 from American black individuals and the gene HLA-B52 encoding from an Arabic individual, and compared them with previously reported sequences of HLA-B51 (B*5101) and HLA-B52 (B*5201) from Japanese, HLA-B53 (B*5301) from an Algerian, and HLA-B58 (B*5801) from a Sardinian. The sequences of the genes from the American black and Arabic individuals were identical to those from the other races. These findings support the hypothesis that these antigens have evolved prior to divergence of the major ethnic groups.

UI MeSH Term Description Entries
D008969 Molecular Sequence Data Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories. Sequence Data, Molecular,Molecular Sequencing Data,Data, Molecular Sequence,Data, Molecular Sequencing,Sequencing Data, Molecular
D003429 Cross Reactions Serological reactions in which an antiserum against one antigen reacts with a non-identical but closely related antigen. Cross Reaction,Reaction, Cross,Reactions, Cross
D004247 DNA A deoxyribonucleotide polymer that is the primary genetic material of all cells. Eukaryotic and prokaryotic organisms normally contain DNA in a double-stranded state, yet several important biological processes transiently involve single-stranded regions. DNA, which consists of a polysugar-phosphate backbone possessing projections of purines (adenine and guanine) and pyrimidines (thymine and cytosine), forms a double helix that is held together by hydrogen bonds between these purines and pyrimidines (adenine to thymine and guanine to cytosine). DNA, Double-Stranded,Deoxyribonucleic Acid,ds-DNA,DNA, Double Stranded,Double-Stranded DNA,ds DNA
D005075 Biological Evolution The process of cumulative change over successive generations through which organisms acquire their distinguishing morphological and physiological characteristics. Evolution, Biological
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001483 Base Sequence The sequence of PURINES and PYRIMIDINES in nucleic acids and polynucleotides. It is also called nucleotide sequence. DNA Sequence,Nucleotide Sequence,RNA Sequence,DNA Sequences,Base Sequences,Nucleotide Sequences,RNA Sequences,Sequence, Base,Sequence, DNA,Sequence, Nucleotide,Sequence, RNA,Sequences, Base,Sequences, DNA,Sequences, Nucleotide,Sequences, RNA
D015235 HLA-B Antigens Class I human histocompatibility (HLA) surface antigens encoded by more than 30 detectable alleles on locus B of the HLA complex, the most polymorphic of all the HLA specificities. Several of these antigens (e.g., HLA-B27, -B7, -B8) are strongly associated with predisposition to rheumatoid and other autoimmune disorders. Like other class I HLA determinants, they are involved in the cellular immune reactivity of cytolytic T lymphocytes. Antigens, HLA-B,HLA-B Antigen,HLA-B,Antigen, HLA-B,Antigens, HLA B,HLA B Antigen,HLA B Antigens
D015797 HLA-B35 Antigen A specific HLA-B surface antigen subtype. Members of this subtype contain alpha chains that are encoded by the HLA-B*35 allele family. HLA Class I Histocompatibility Antigen, B-35 alpha Chain,HLA-B35,Antigen, HLA-B35,HLA B35 Antigen,HLA Class I Histocompatibility Antigen, B 35 alpha Chain
D044469 Racial Groups Groups of individuals with similar physical appearances often reinforced by cultural, social and/or linguistic similarities. Continental Population Groups,Race,Racial Stocks,Continental Population Group,Group, Continental Population,Group, Racial,Groups, Continental Population,Groups, Racial,Population Group, Continental,Population Groups, Continental,Races,Racial Group,Racial Stock,Stock, Racial,Stocks, Racial

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