KineticsB-Lymphocyte SubsetsB-LymphocytesLymphocyte ActivationGerminal CenterImmunoglobulin MSpleenImmunoglobulin DMice, Inbred C57BLAntigens, CD19Immunoglobulin Heavy ChainsB-Cell Activating FactorCell DifferentiationLymphocyte CooperationFlow CytometryCells, CulturedAntigens, CD40Immunoglobulin GPrecursor Cells, B-LymphoidMice, Inbred BALB CGene Rearrangement, B-LymphocyteImmunoglobulinsMice, TransgenicImmunoglobulin Variable RegionImmunologic MemoryAntigens, CD5Genes, ImmunoglobulinAntibody FormationLymphoma, B-CellB-Cell Activation Factor ReceptorMice, KnockoutMolecular Sequence DataAntigens, Differentiation, B-LymphocyteCell LineAntigens, CDReceptors, Complement 3dSialic Acid Binding Ig-like Lectin 2Immunoglobulin mu-ChainsSignal TransductionGene Rearrangement, B-Lymphocyte, Heavy ChainAntigens, CD27Epitopes, B-LymphocyteAntibodies, MonoclonalAntigens, T-IndependentCD40 LigandReceptors, CXCR5Antibodies, Anti-IdiotypicSomatic Hypermutation, ImmunoglobulinImmunoglobulin kappa-ChainsImmunophenotypingGene Rearrangement, B-Lymphocyte, Light ChainAutoantibodiesAntigens, CD79AutoimmunityAntibody-Producing CellsTime FactorsLymphoid TissueClone CellsBase SequenceInterleukin-4Herpesvirus 4, HumanLymphocyte CountImmunoglobulin IsotypesDendritic Cells, FollicularAmino Acid SequenceAntigensLymphopoiesisChemokine CXCL13Immunoglobulin lambda-ChainsMembrane GlycoproteinsModels, BiologicalCell SeparationLeukemia, Lymphocytic, Chronic, B-CellImmunoglobulin Light ChainsImmune ToleranceLymphopeniaLupus Erythematosus, SystemicCell DivisionB-Cell-Specific Activator ProteinProtein BindingBone Marrow CellsCD4-Positive T-LymphocytesB-Lymphocytes, RegulatoryLymph NodesMutationAutoantigensApoptosisGene Expression RegulationCell SurvivalCytidine DeaminaseTrinitrobenzenesMice, Inbred CBARNA, MessengerAntibodies, AntinuclearImmunoglobulin AAntigen PresentationMice, Inbred StrainsImmunologic Deficiency SyndromesCell ProliferationBurkitt Lymphoma