*Massachusetts Eye and Ear Infirmary, Boston; †Ocular Immunology and Uveitis Foundation, Cambridge; and ‡Harvard Medical School, Boston, Massachusetts, U.S.A.
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Abstract
Monoclonal antibody, ipilimumab, useful for treatment of metastatic melanoma, blocks CTLA-4 mediated T-cell suppression and can also cause a Graves ophthalmopathy like syndrome. Epidemiologic study has linked variant polymorphisms of CTLA-4 receptor gene to the presence of thyroid eye disease. The combination of these observations suggests CTLA-4 mediated T-cell functions are important to the pathogenesis of thyroid-associated eye disease.