IgG heavy chain allotypes (Gm) in autoimmune diseases. 1980

Y Nakao, and H Matsumoto, and T Miyazaki, and H Nishitani, and K Takatsuki, and R Kasukawa, and S Nakayama, and S Izumi, and T Fujita, and K Tsuji

Serum samples from 100 patients with myasthenia gravis, 322 with Graves' disease, 113 with Hashimoto's disease, 132 with systemic lupus erythematosus (SLE), 192 with insulin-dependent juvenile diabetes mellitus, 83 with Behçet's syndrome, 73 with psoriasis vulgaris, 258 with leprosy, 112 with Duchenne progressive muscular dystrophy and 343 non-related normal controls were studied for Gm allotypes. The incidence of Gm phenotypes with Gm(2) was significantly increased in patients with myasthenia gravis. Graves' disease, Hashimoto's disease, and high in SLE patients. The Gm1,2,21 haplotype was increased in patients with myasthenia gravis (chi 2 = 34 . 08, corrected P less than 0 . 001), Hashimoto's disease (chi 2 = 12 . 39, corrected P less than 0 . 05), Graves' disease (chi 2 = 8 . 65, corrected P less than 0 . 05), and SLE (chi 2 = 6 . 41, 0 . 1 greater than corrected P greater than 0 . 05). The total chi-square for the four different Gm haplotypes was significantly increased in patients with myasthenia gravis (chi 2 = 44 . 46, corrected P less than 0 . 001), SLE (chi 2 = 20 . 70, corrected P less than 0 . 005), Hashimoto's disease (chi 2 = 17 . 03, corrected P less than 0 . 025), and Graves' disease (chi 2 = 11 . 87, corrected P less than 0 . 025). Our data suggest the presence of Gm-associated pathogenic polygenes in certain autoimmune disorders.

UI MeSH Term Description Entries
D007074 Immunoglobulin G The major immunoglobulin isotype class in normal human serum. There are several isotype subclasses of IgG, for example, IgG1, IgG2A, and IgG2B. Gamma Globulin, 7S,IgG,IgG Antibody,Allerglobuline,IgG(T),IgG1,IgG2,IgG2A,IgG2B,IgG3,IgG4,Immunoglobulin GT,Polyglobin,7S Gamma Globulin,Antibody, IgG,GT, Immunoglobulin
D007126 Immunoglobulin Allotypes Allelic variants of the immunoglobulin light chains (IMMUNOGLOBULIN LIGHT CHAINS) or heavy chains (IMMUNOGLOBULIN HEAVY CHAINS) encoded by ALLELES of IMMUNOGLOBULIN GENES. Allotypes, Immunoglobulin,Allotypic Antibodies,Antibodies, Allotypic,Ig Allotypes,Allotype, Ig,Allotype, Immunoglobulin,Allotypes, Ig,Allotypic Antibody,Antibody, Allotypic,Ig Allotype,Immunoglobulin Allotype
D007143 Immunoglobulin Heavy Chains The largest of polypeptide chains comprising immunoglobulins. They contain 450 to 600 amino acid residues per chain, and have molecular weights of 51-72 kDa. Immunoglobulins, Heavy-Chain,Heavy-Chain Immunoglobulins,Ig Heavy Chains,Immunoglobulin Heavy Chain,Immunoglobulin Heavy Chain Subgroup VH-I,Immunoglobulin Heavy Chain Subgroup VH-III,Heavy Chain Immunoglobulins,Heavy Chain, Immunoglobulin,Heavy Chains, Ig,Heavy Chains, Immunoglobulin,Immunoglobulin Heavy Chain Subgroup VH I,Immunoglobulin Heavy Chain Subgroup VH III,Immunoglobulins, Heavy Chain
D010641 Phenotype The outward appearance of the individual. It is the product of interactions between genes, and between the GENOTYPE and the environment. Phenotypes
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
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001327 Autoimmune Diseases Disorders that are characterized by the production of antibodies that react with host tissues or immune effector cells that are autoreactive to endogenous peptides. Autoimmune Disease,Disease, Autoimmune,Diseases, Autoimmune

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