Immunoglobulin delta-ChainsReceptors, MitogenReceptors, ImmunologicMice, Inbred C57BLMice, Inbred BALB CLeukemia Virus, MurineCell LineCells, CulturedSpleenMice, Inbred StrainsMice, Inbred C3HReceptors, Cell SurfaceMolecular Sequence DataAntibodies, MonoclonalT-LymphocytesMoloney murine leukemia virusMice, Inbred DBAMice, KnockoutFlow CytometryRecombinant ProteinsDisease Models, AnimalLeukemia, ExperimentalHematopoietic Stem CellsBone Marrow CellsMice, Inbred CBAAmino Acid SequenceB-LymphocytesRNA, MessengerLymphocyte ActivationCell DivisionBase SequenceMice, TransgenicMembrane GlycoproteinsTumor Cells, CulturedLymphocytesReceptors, FcKineticsMice, Inbred ABinding, CompetitiveInterferon-gammaSarcoma Viruses, MurineDose-Response Relationship, DrugReceptors, ComplementCell DifferentiationMacrophages, PeritonealSpecies SpecificitySignal TransductionMacrophagesGene Expression RegulationKiller Cells, NaturalCytokinesCell MembraneAntigens, SurfaceReceptors, VirusAntigens, LySarcoma, ExperimentalImmunoglobulin GThymus GlandGene ExpressionTime FactorsLipopolysaccharidesPropanilCell SurvivalBone MarrowDendritic CellsNeoplasms, ExperimentalTransfectionConcanavalin AGranulocytesMurine Acquired Immunodeficiency SyndromeHematopoiesis