ImmunoglobulinsPlasma CellsB-LymphocytesImmunoglobulin MImmunoglobulin GPokeweed MitogensImmunoglobulin APlasmacytomaAntibody-Producing CellsLeukemia, Plasma CellReceptors, Antigen, B-CellLymphocyte ActivationLeukemia, LymphoidHemolytic Plaque TechniqueT-LymphocytesNeoplasms, Plasma CellCells, CulturedImmunoglobulin Heavy ChainsCell DifferentiationImmunoglobulin Light ChainsMultiple MyelomaGenes, ImmunoglobulinPlasmaImmunoglobulins, IntravenousImmunoglobulin kappa-ChainsParaproteinemiasImmunoglobulin A, SecretoryImmunoglobulin EImmunoglobulin Variable RegionImmunoglobulin lambda-ChainsGranuloma, Plasma CellImmunoglobulin mu-ChainsImmunoglobulin DImmunoglobulin IsotypesImmunoglobulin J-ChainsImmunoglobulin Class SwitchingImmunoglobulin gamma-ChainsImmunoglobulin Fc FragmentsImmunoglobulin Constant RegionsMolecular Sequence DataEnzyme-Linked Immunosorbent AssaySyndecan-1Myeloma ProteinsCell MembraneImmunoglobulin Fab FragmentsImmunoglobulin FragmentsCell LineImmunoglobulin alpha-ChainsAntibody FormationTime FactorsImmunoglobulin AllotypesAntibodies, MonoclonalAmino Acid SequenceSpleenMonoclonal Gammopathy of Undetermined SignificanceIntestinal SecretionsBase SequenceAntibodies, Bacterialgamma-GlobulinsBone MarrowMice, Inbred BALB CSomatic Hypermutation, ImmunoglobulinAntibody SpecificityReceptors, Polymeric ImmunoglobulinGerminal CenterMice, Inbred C57BLInsulinFlow CytometryB-Lymphocyte SubsetsSecretory ComponentFluorescent Antibody TechniqueAmyloidosisBodily SecretionsImmunoglobulin Joining RegionBence Jones ProteinLymphocytesSecretory RateRNA, MessengerHypergammaglobulinemiaGenes, Immunoglobulin Heavy ChainPalatine TonsilRabbitsAntigens, CDAntibodies, Anti-IdiotypicAntibodiesBacterial Secretion SystemsImmunoelectrophoresisAntibodies, ViralBone Marrow CellsImmunoglobulin delta-ChainsLiverRadioimmunoassayImmunohistochemistryParaproteinsMice, KnockoutWaldenstrom MacroglobulinemiaImmunoglobulin IdiotypesImmunophenotypingMembrane GlycoproteinsInterleukin-6