Recent progress in TSH receptor studies with a new concept of "autoimmune TSH receptor disease". 1994

T Mori, and T Akamizu, and S Kosugi, and H Sugawa, and D Inoue, and J Okuda, and Y Ueda
Department of Laboratory Medicine, Kyoto University School of Medicine, Japan.

Recent progress in the studies of epitope analysis of the TSH-R against TSH-R Ab was reviewed extensively. Using both site-directed mutagenesis and synthetic TSH-R peptide, binding and/or action sites of TSH-R Ab have been known to be multiple and discontinuous, but the significance of two unique and TSH-R specific regions has been implicated. Further, the possible existence of heterogeneity among stimulatory TSH-R Ab has also been indicated. As for immunogenetic factors related to autoimmune thyroid diseases, studies on HLA analysis, TSH-R specific T lymphocyte analysis and VH analysis of TSH-R Ab were discussed. Of note was the negative association of HLA-DP w2 antigen in Japanese patients with Graves' disease and hypothyroidism due to blocking TSH-R Ab, and we proposed a new concept of autoimmune TSH receptor disease within autoimmune thyroid disease and emphasized possible critical roles of HLA-DP. Recent evidence of restricted usage of the Ig VH gene in cloned B lymphocytes from Graves' patients producing TSH-R Ab has also been presented.

UI MeSH Term Description Entries
D007125 Immunogenetics A subdiscipline of genetics which deals with the genetic basis of the immune response (IMMUNITY). Immunogenetic
D011989 Receptors, Thyrotropin Cell surface proteins that bind pituitary THYROTROPIN (also named thyroid stimulating hormone or TSH) and trigger intracellular changes of the target cells. TSH receptors are present in the nervous system and on target cells in the thyroid gland. Autoantibodies to TSH receptors are implicated in thyroid diseases such as GRAVES DISEASE and Hashimoto disease (THYROIDITIS, AUTOIMMUNE). Receptors, Thyroid Stimulating Hormone,TSH Receptors,Thyroid Stimulating Hormone Receptors,Thyrotropin Receptors,LATS Receptors,Receptor, LATS Immunoglobulins,Receptors, LATS,Receptors, Long-Acting Thyroid Stimulator,Receptors, TSH,TSH Receptor,Thyroid Stimulating Hormone Receptor,Thyrotropin Receptor,Receptor, TSH,Receptor, Thyrotropin,Receptors, Long Acting Thyroid Stimulator
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000939 Epitopes Sites on an antigen that interact with specific antibodies. Antigenic Determinant,Antigenic Determinants,Antigenic Specificity,Epitope,Determinant, Antigenic,Determinants, Antigenic,Specificity, Antigenic
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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