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Graves' disease (GD) and Hashimoto's thyroiditis (HT) make up the autoimmune thyroid diseases (AITD), with classical clinical characteristics arising as a result of environmental factors in people who are genetically predisposed. Three gene regions consistently associated with AITD include the Human Leucocyte Antigen (HLA) region, CTLA4 and PTPN22, which represent general autoimmune risk loci and encode molecules vital for correct immune system function. AITD patients in addition are likely to carry at least one thyroid specific susceptibility locus. Recent genetic studies have refined association of the TSHR with GD to within a 40kb region including intron 1, of the TSHR itself, with preliminary evidence to suggest altered mRNA isoform expression. These findings, combined with previous functional data demonstrating that the TSHR A-subunit is the primary autoantigenic region, suggests novel mechanisms for the onset of GD and a potential therapeutic target.

Original publication




Journal article


Mol Cell Endocrinol

Publication Date





135 - 143


Autoimmunity, Graves Disease, HLA Antigens, Hashimoto Disease, Humans, Protein Tyrosine Phosphatase, Non-Receptor Type 22, Receptors, Thyrotropin, Thyroid Gland