Receptors, AntigenSharksImmunoglobulin IsotypesImmunoglobulin MImmunoglobulin GImmunoglobulinsImmunoglobulin AImmunoglobulin DImmunoglobulin Class SwitchingStrongyloideaB-LymphocytesAntigensReceptors, Antigen, B-CellImmunoglobulin Switch RegionImmunoglobulin EAntigens, NeoplasmImmunoglobulin Heavy ChainsAntigens, ViralGenes, ImmunoglobulinCytidine DeaminaseAntibody FormationSomatic Hypermutation, ImmunoglobulinImmunoglobulin Light ChainsImmunoglobulin mu-ChainsImmunoglobulins, IntravenousImmunoglobulin Constant RegionsReceptors, Antigen, T-CellImmunoglobulin Variable RegionImmunoglobulin gamma-ChainsImmunoglobulin kappa-ChainsAntigens, BacterialMolecular Sequence DataT-LymphocytesAntigens, SurfaceImmunoglobulin A, SecretoryImmunoglobulin alpha-ChainsRecombination, GeneticBase SequenceGenes, SwitchLymphocyte ActivationImmunoglobulin lambda-ChainsAntibodies, MonoclonalAmino Acid SequenceCell LineMice, Inbred BALB CEnzyme-Linked Immunosorbent AssayImmunoglobulin AllotypesImmunoglobulin Fc FragmentsGene Rearrangement, B-LymphocyteV(D)J RecombinationAntibody SpecificityGenes, Immunoglobulin Heavy ChainImmunoglobulin delta-ChainsMice, Inbred C57BLAntigens, CDAntibodies, BacterialImmunoglobulin Fab FragmentsSpleenGene Rearrangement, B-Lymphocyte, Heavy ChainHybridomasImmunoglobulin Joining RegionImmunoglobulin J-ChainsImmunoglobulin FragmentsVDJ ExonsAntigens, ProtozoanAntigens, CD79Duffy Blood-Group SystemAntibodies, Anti-IdiotypicCells, CulturedHistocompatibility Antigens Class IIFlow CytometryAntigens, CD3Signal TransductionB-Lymphocyte SubsetsGerminal CenterReceptors, Polymeric ImmunoglobulinHyper-IgM Immunodeficiency SyndromeDNAImmunoglobulin epsilon-ChainsEpitopesAntigens, CD19Mice, KnockoutFluorescent Antibody TechniqueMutationAntigens, CD40AutoantibodiesPlasmacytomaAntibodiesAntibodies, ViralMice, TransgenicInterleukin-4Immunoglobulin IdiotypesDNA-Binding ProteinsHLA AntigensGene RearrangementIgA DeficiencyPlasma CellsHistocompatibility Antigens Class IReceptors, FcImmune Sera