Article
CTLA-4 gene polymorphism at position 49 in exon 1 reduces the inhibitory function of CTLA-4 and contributes to the pathogenesis of Graves' disease.
Journal of immunology (Baltimore, Md. : 1950) - 1 Dec 2000
Kouki T, Sawai Y, Gardine C A, Fisfalen M E, Alegre M L, DeGroot L J
Abstract excerpt
Activation of T cells requires at least two signals transduced by the Ag-specific TCR and a costimulatory ligand such as CD28. CTLA-4, expressed on activated T cells, binds to B7 present on APCs and functions as a negative regulator of T cell activation. Our laboratory previously reported the association of Graves' disease (GD) with a specific CTLA-4 gene polymorphism. In theory, reduced expression or function of...
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