IID: intrathyroid injection of dexamethasone; GD: Graves’ disease; TSH: thyroid-stimulating hormone; FT4: free thyroxin T4; TGAb: thyrotrophin receptor antibody; TPOAb: thyroid peroxidase antibody; TGAb: thyroglobulin antibody. The gene discussed is TG; the disease is Graves disease.