human_reference_atlas part of has characterizing marker set has marker component CD27 UHRF1 SMPD3 ELOVL4 CD1A CD1B CD1E CD4 CD5 CD69 CD7 CD8A CD8B SH3TC1 cell cell type (from CL) immature alpha-beta T cell double-positive, alpha-beta thymocyte double-positive, alpha-beta immature T lymphocyte CT double positive thymocyte DP thymocyte A thymocyte expressing the alpha-beta T cell receptor complex as well as both the CD4 and CD8 coreceptors. Thymocytes of this stage are undergoing positive and negative selection. CL:0000809 DP cell double positive thymocyte late cortical thymocyte Homo sapiens sequence collection cortex of thymus thymus lobule thymus thymus lobe