Cell LineageImmune SystemCell DifferentiationMice, Inbred C57BLImmunity, InnateT-LymphocytesImmune ToleranceCells, CulturedStem CellsCytokinesMice, TransgenicMice, KnockoutPhylogenySignal TransductionFlow CytometryMacrophagesB-LymphocytesMolecular Sequence DataMice, Inbred BALB CDendritic CellsSpleenGene Expression Regulation, DevelopmentalLymphocyte ActivationImmunity, CellularLymphocytesGene Expression RegulationCD4-Positive T-LymphocytesKiller Cells, NaturalInflammationTranscription FactorsThymus GlandHematopoietic Stem CellsCell LineImmunityInterferon-gammaBase SequenceImmune EvasionAdaptive ImmunityPhenotypeRNA, MessengerAntigens, CDCell ProliferationMonocytesDisease Models, AnimalEvolution, MolecularImmune SeraImmunohistochemistryBone Marrow CellsAntigen-Antibody ComplexT-Lymphocyte SubsetsHomeodomain ProteinsImmune System DiseasesModels, ImmunologicalGene ExpressionAntibody FormationAmino Acid SequenceModels, BiologicalCell MovementImmunoglobulin GLeukocytesTime FactorsGene Expression ProfilingEmbryonic Stem CellsCell DivisionMyeloid CellsT-Lymphocytes, RegulatoryCell SeparationDNA-Binding ProteinsImmunophenotypingChimeraEmbryo, MammalianBiological EvolutionToll-Like ReceptorsHematopoiesisGerm CellsMesodermLipopolysaccharidesLeukocytes, MononuclearSequence Analysis, DNAImmune Complex DiseasesTh1 CellsSpecies SpecificityApoptosisMutationBasic Helix-Loop-Helix Transcription FactorsEpithelial CellsReverse Transcriptase Polymerase Chain ReactionEnzyme-Linked Immunosorbent AssayMembrane GlycoproteinsClone CellsIn Situ HybridizationTumor Necrosis Factor-alphaCentral Nervous SystemAdjuvants, ImmunologicLymphocyte SubsetsAntibodies, MonoclonalLymphopoiesisLymph NodesImmune System ProcessesGreen Fluorescent Proteins