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[Measurement of anti-microsomal and anti-thyroglobulin antibodies by radioimmunoassay]. 1991

H Nakamura, and Y Mikami, and Y Aono, and S Yoshinoya, and H Uchimura, and A Okubo, and M Kitamura, and K Kubota, and N Sasaki, and F Takaku
Central Clinical Laboratories, Tokyo University School of Medicine.

In this study, we measured anti-microsomal (same as anti-thyroid peroxidase) and anti-thyroglobulin antibodies (anti-TPOAb and anti-TgAb) in sera by new RIA kits and compared with the conventional particle agglutination (PA) kits. Two of 80 normals (2.5%) showed anti-TPOAb positive activity (greater than or equal to 0.3 unit/ml), and 9 of same samples (11.3%) showed anti TgAb positive activity (greater than or equal to 0.3 unit/ml). Sixty of 67 patients with Graves' disease (89.6%), and 14 of 22 with Hashimoto's disease (63.6%) were anti-TPOAb positive, and 42 (62.7%), and 18 (81.8%) were anti-TgAb positive respectively. Samples of 5 non-autoimmune disease were all negative by TPOAb and TgAb assays, suggesting the high specificity of new RIA kits to the autoimmune thyroid diseases. The RIA and PA methods showed a good correlation (anti-TPOAb:rs = 0.9134, anti-TgAb:rs = 0.7016). However, several negative sera in PA assay showed positive values in the RIA, so it was showed that new RIA kits were more sensitive than the PA assays.

UI MeSH Term Description Entries
D007453 Iodide Peroxidase A hemeprotein that catalyzes the oxidation of the iodide radical to iodine with the subsequent iodination of many organic compounds, particularly proteins. EC 1.11.1.8. Iodinase,Iodothyronine 5'-Deiodinase,Iodothyronine Deiodinase,Iodotyrosine Deiodase,Thyroid Peroxidase,Thyroxine 5'-Deiodinase,Thyroxine 5'-Monodeiodinase,5'-Deiodinase,Deiodinase,Iodotyrosine Deiodinase,Monodeiodinase,Reverse Triiodothyronine 5'-Deiodinase,T4-5'-Deiodinase,T4-Monodeiodinase,Tetraiodothyronine 5'-Deiodinase,Thyroxine Converting Enzyme,Triiodothyronine Deiodinase,5' Deiodinase,5'-Deiodinase, Iodothyronine,5'-Deiodinase, Reverse Triiodothyronine,5'-Deiodinase, Tetraiodothyronine,5'-Deiodinase, Thyroxine,5'-Monodeiodinase, Thyroxine,Deiodase, Iodotyrosine,Deiodinase, Iodothyronine,Deiodinase, Iodotyrosine,Deiodinase, Triiodothyronine,Enzyme, Thyroxine Converting,Iodothyronine 5' Deiodinase,Peroxidase, Iodide,Peroxidase, Thyroid,Reverse Triiodothyronine 5' Deiodinase,T4 5' Deiodinase,T4 Monodeiodinase,Tetraiodothyronine 5' Deiodinase,Thyroxine 5' Deiodinase,Thyroxine 5' Monodeiodinase,Triiodothyronine 5'-Deiodinase, Reverse
D008861 Microsomes Artifactual vesicles formed from the endoplasmic reticulum when cells are disrupted. They are isolated by differential centrifugation and are composed of three structural features: rough vesicles, smooth vesicles, and ribosomes. Numerous enzyme activities are associated with the microsomal fraction. (Glick, Glossary of Biochemistry and Molecular Biology, 1990; from Rieger et al., Glossary of Genetics: Classical and Molecular, 5th ed) Microsome
D011863 Radioimmunoassay Classic quantitative assay for detection of antigen-antibody reactions using a radioactively labeled substance (radioligand) either directly or indirectly to measure the binding of the unlabeled substance to a specific antibody or other receptor system. Non-immunogenic substances (e.g., haptens) can be measured if coupled to larger carrier proteins (e.g., bovine gamma-globulin or human serum albumin) capable of inducing antibody formation. Radioimmunoassays
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001323 Autoantibodies Antibodies that react with self-antigens (AUTOANTIGENS) of the organism that produced them. Autoantibody
D013954 Thyroglobulin

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