Killer Cells, NaturalReceptors, NK Cell Lectin-LikeNK Cell Lectin-Like Receptor Subfamily KCytotoxicity, ImmunologicNK Cell Lectin-Like Receptor Subfamily AAntigens, CD56NK Cell Lectin-Like Receptor Subfamily CNK Cell Lectin-Like Receptor Subfamily DReceptors, Natural Killer CellReceptors, ImmunologicNatural Cytotoxicity Triggering Receptor 1Antigens, LyReceptors, KIRLectins, C-TypeLymphocyte ActivationInterleukin-15Lymphocyte SubsetsInterferon-gammaMice, Inbred C57BLInterleukin-2Cytotoxicity Tests, ImmunologicReceptors, IgGPerforinLysosomal-Associated Membrane Protein 1Flow CytometryNatural Cytotoxicity Triggering Receptor 3Histocompatibility Antigens Class IAntigens, CDAntibody-Dependent Cell CytotoxicityInterleukin-12GranzymesCells, CulturedImmunophenotypingReceptors, KIR3DL1Natural Cytotoxicity Triggering Receptor 2Interleukin-18MuromegalovirusPore Forming Cytotoxic ProteinsImmunity, InnateNK Cell Lectin-Like Receptor Subfamily BSpleenCoculture TechniquesMembrane GlycoproteinsMice, KnockoutHLA-C AntigensReceptors, KIR2DL3Lymphocyte CountCytokinesT-LymphocytesAntigens, Differentiation, T-LymphocyteKiller Cells, Lymphokine-ActivatedDendritic CellsCell DegranulationCell CommunicationReceptors, KIR2DL1GPI-Linked ProteinsMice, Inbred BALB CLigands