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Expression and functional significance of the J11d marker on mouse thymocytes.
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1987
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J11d MarkerLaboratory ImmunologyLymphocyte DevelopmentImmunologyImmune RegulationImmunologic MechanismCellular PhysiologyImmunogeneticsMouse ThymocytesJ11d+ SubsetImmunopathologyFunctional SignificanceCell SignalingAutoimmune DiseaseAutoimmunityT Cell ImmunitySelf-toleranceImmune FunctionCell BiologyMonoclonal Antibody J11dSignal TransductionCellular Immune ResponseMedicineCell DevelopmentAbstract Subpopulations
Abstract Subpopulations of thymocytes have been characterized phenotypically and functionally in relation to their expression of the marker defined by the monoclonal antibody J11d. Cortical-type L3T4+, Lyt-2+ thymocytes are all J11d+. Thymocytes that share the phenotype L3T4-, Lyt-2+ with peripheral Lyt-2+ T cells contain a J11d+ and a J11d- subset. These J11d- cells behave like peripheral Lyt-2+ T cells in two functional assays: they form clonal growth bursts in response to immobilized antibody against the T cell antigen receptor, and they act as precursors of alloreactive cytotoxic T cells. The J11d+ cells are inert in both of these assays. In contrast, L3T4+, Lyt-2- thymocytes do not contain a J11d+ subset.