Natural Cytotoxicity Triggering Receptor 1Natural Cytotoxicity Triggering Receptor 3Natural Cytotoxicity Triggering Receptor 2Receptors, Natural Cytotoxicity TriggeringKiller Cells, NaturalCytotoxicity, ImmunologicReceptors, ImmunologicAntibody-Dependent Cell CytotoxicityNK Cell Lectin-Like Receptor Subfamily KReceptors, Natural Killer CellCytotoxicity Tests, ImmunologicAntigens, CD56K562 CellsReceptors, KIRNK Cell Lectin-Like Receptor Subfamily DAntigens, LyHLA-B7 AntigenCell DegranulationImmunity, InnateFlow CytometryInterleukin-2GPI-Linked ProteinsAntigens, CDLymphocyte ActivationCells, CulturedCell LineSpleenLymphocytesReceptors, IgGCell Line, TumorCell SeparationLigandsHistocompatibility Antigens Class ITumor Cells, CulturedMembrane GlycoproteinsInterferon-gammaCell SurvivalMice, Inbred C57BLSignal TransductionDrug Screening Assays, AntitumorAntineoplastic AgentsCytotoxinsApoptosisDrug Synergism