Immunoglobulin IsotypesImmunoglobulin GImmunoglobulin Class SwitchingImmunoglobulin MReceptors, IgGImmunoglobulin AIgG DeficiencyB-LymphocytesAntibodies, MonoclonalEnzyme-Linked Immunosorbent AssayImmunoglobulin Switch RegionAntibodies, BacterialMice, Inbred BALB CAutoantibodiesImmunoglobulinsImmunoglobulin Heavy ChainsImmunoglobulin EAntibody AffinityAntibody FormationTubulinAntibody SpecificityReceptors, FcAntibodies, HelminthImmunoglobulin Constant RegionsAntibodies, Anti-IdiotypicImmunoglobulin Fc FragmentsImmunoglobulin Variable RegionBinding Sites, AntibodyAntibody-Producing CellsGenes, ImmunoglobulinImmunizationAntibodies, ProtozoanImmunoglobulin Fab FragmentsHybridomasInterleukin-4Mice, Inbred C57BLAntibodies, ViralEpitopesMolecular Sequence DataImmunoglobulin gamma-ChainsSpleenAntibodies, AntinuclearReceptors, Antigen, B-CellAntigens, HelminthDysgammaglobulinemiaRheumatoid FactorAntibodiesLymphocyte ActivationImmunoglobulin kappa-ChainsImmunoglobulin mu-ChainsT-LymphocytesAntibodies, FungalPlasma CellsAntibody-Dependent Cell CytotoxicityImmunoglobulin Light ChainsAmino Acid SequenceImmunoglobulin IdiotypesImmunoglobulin epsilon-ChainsAntigens, CD40Immunization, PassiveGene Rearrangement, B-LymphocytePolysaccharides, BacterialAntibodies, AnticardiolipinAdjuvants, ImmunologicCross ReactionsCD40 LigandHypergammaglobulinemiaImmunoglobulin alpha-ChainsAntigensIgA DeficiencyGerminal CenterB-Lymphocyte SubsetsHemocyaninAntigens, BacterialImmunoglobulin lambda-ChainsBase SequenceFluorescent Antibody TechniqueComplement C1qLupus Erythematosus, SystemicCells, CulturedAntigens, T-IndependentAutoimmune DiseasesMice, Inbred CBANitrohydroxyiodophenylacetateInterferon-gammaAntigens, ProtozoanStaphylococcal Protein AGenes, SwitchRecombinant ProteinsTh2 CellsFlow CytometryDinitrobenzenesMice, KnockoutVaccinationCell Linebeta 2-Glycoprotein ILymphocyte CooperationRabbitsImmune SeraBacterial Vaccines