hrp0082p1-d2-28 | Autoimmune Endocrine Disease | ESPE2014

Immune Changes are Observed After Radioiodine Treatment for Hyperthyroidism in Graves’ Disease Patients

Cote-Bigras Sarah , Verreault Jean , Rottembourg Diane

Background: GravesÂ’ disease (GD) involves autoimmunity against TSH receptor (TSHR) bearing cells, leading to hyperthyroidism and often orbitopathy. When hyperthyroidism is treated with radioactive iodine (RAI), exacerbation of the orbital disease can occur.Objective and hypotheses: We hypothesized that RAI has immune effects affecting the balance between auto-reactive T cells and T cells with regulatory properties.Method: We m...