Immunoglobulin Heavy ChainsEnhancer Elements, GeneticGenes, Immunoglobulin Heavy ChainGenes, ImmunoglobulinImmunoglobulinsImmunoglobulin Variable RegionImmunoglobulin GBase SequenceGene Rearrangement, B-Lymphocyte, Heavy ChainImmunoglobulin mu-ChainsMyosin Heavy ChainsMolecular Sequence DataImmunoglobulin MImmunoglobulin Constant RegionsImmunoglobulin AImmunoglobulin gamma-ChainsImmunoglobulin Light ChainsB-LymphocytesImmunoglobulin alpha-ChainsPromoter Regions, GeneticPlasmacytomaImmunoglobulin Joining RegionTranscription, GeneticImmunoglobulin kappa-ChainsMyeloma ProteinsGene RearrangementCell LinePolymerase Chain ReactionTranscription FactorsChromosomes, Human, Pair 14DNA-Binding ProteinsImmunoglobulin AllotypesGene Rearrangement, B-LymphocyteAmino Acid SequenceHeavy Chain DiseaseImmunoglobulin Class SwitchingGene Expression RegulationTranslocation, GeneticLymphoma, B-CellImmunoglobulin IsotypesImmunoglobulins, IntravenousDNAImmunoglobulin DImmunoglobulin J-ChainsBinding SitesGenesImmunoglobulin lambda-ChainsDeoxyribonuclease IAntibody DiversityMutationImmunoglobulin FragmentsCloning, MolecularSomatic Hypermutation, ImmunoglobulinImmunoglobulin Switch RegionReceptors, Antigen, B-CellRegulatory Sequences, Nucleic AcidSequence Homology, Nucleic AcidGenes, RegulatorTransfectionRNA, MessengerImmunoglobulin delta-ChainsClathrin Heavy ChainsRestriction MappingRecombination, GeneticProtein BindingImmunoglobulin EMyosinsMice, TransgenicRepetitive Sequences, Nucleic AcidNuclear ProteinsLeukemia, Lymphocytic, Chronic, B-CellImmunoglobulin A, SecretoryBinding Sites, AntibodyComplementarity Determining RegionsGenes, SwitchGene Rearrangement, B-Lymphocyte, Light ChainPlasmidsImmunoglobulin Gm AllotypesBlotting, SouthernDNA PrimersLymphomaIntronsDNA Restriction EnzymesClone CellsChromosomes, Human, 13-15Cells, CulturedImmunoglobulin epsilon-ChainsChromosome MappingChromatinHybridomasBurkitt LymphomaImmunoglobulin Fc FragmentsMultiple MyelomaVDJ ExonsPolyomavirusDNA, RecombinantCell DifferentiationLymphoma, FollicularTumor Cells, CulturedV(D)J Recombination