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Sap Is Required For The Development Of Innate Phenotype In H2-M3-Restricted Cd8+ T Cells, Yaw Bediako, Yao Bian, Hong Zhang, Hoonsik Cho

University Faculty Publications and Creative Works

H2-M3-restricted T cells have a preactivated surface phenotype, rapidly expand, and produce cytokines upon stimulation, and, as such, are classified as innate T cells. Unlike most innate T cells, M3-restricted T cells also express CD8ab coreceptors and a diverse TCR repertoire: hallmarks of conventional MHC Ia-restricted CD8+ T cells. Although invariant NKT cells are also innate T cells, they are selected exclusively on hematopoietic cells (HC), whereas M3-restricted T cells can be selected on either hematopoietic or thymic epithelial cells. Moreover, their phenotypes differ depending on what cells mediate their selection. Although there is a clear correlation between selection on …