Allorecognition and T cell repertoire selection in severe combined immunodeficiency lacking HLA class II antigens.

Abstract excerpt

In order to elucidate the role of HLA class II molecules in generation of self-nonself discrimination of human T cells, we have analyzed T cell functions in an HLA class II-negative severe combined immunodeficiency patient. Patient PBL expressed no HLA-DR, -DQ, and -DP antigens as judged by immunofluorescence using mAb, and failed to elicit MLR responses from unrelated controls. Patient PBL contained mature T...

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