Germinal CenterB-LymphocytesDendritic Cells, FollicularPalatine TonsilReceptors, CXCR5B-Lymphocyte SubsetsAntigensSomatic Hypermutation, ImmunoglobulinPhenylacetatesAntigenic ModulationImmunoglobulin Class SwitchingLymphocyte ActivationNitrophenolsT-LymphocytesSpleenInducible T-Cell Co-Stimulator ProteinMice, Inbred C57BLPlasma CellsAntigens, BacterialAntigen PresentationImmunologic MemoryCell DifferentiationAntigen-Presenting CellsAntibody AffinityHistocompatibility Antigens Class IIMice, Inbred BALB CAntibody FormationAntigens, NeoplasmAntigens, SurfaceDendritic CellsImmunoglobulin GMice, KnockoutAntigens, ViralMice, TransgenicAntigens, CDLymph NodesHLA-DR AntigensReceptors, Antigen, B-CellProto-Oncogene Proteins c-bcl-6Flow CytometryAntibodies, MonoclonalLymphoid TissueAntigens, ProtozoanMolecular Sequence DataLymphoma, B-CellHistocompatibility Antigens Class IAntigens, Polyomavirus TransformingAntigens, CD40Lymphoma, Large B-Cell, DiffuseCells, CulturedHLA AntigensAntigens, CD80Gene Rearrangement, B-LymphocyteAntigens, FungalChemokine CXCL13Antigens, T-IndependentMucoceleImmunohistochemistryImmunoglobulin Variable RegionCD4-Positive T-LymphocytesImmunoglobulin MAntigens, HelminthGenes, ImmunoglobulinH-2 AntigensOvalbuminHLA-D AntigensImmunoglobulin Heavy ChainsCell LineAntigens, CD86Amino Acid SequenceAntigens, CD1ImmunizationTomography, X-Ray ComputedCarcinoembryonic AntigenReceptors, Antigen, T-CellGenes, MHC Class IIAntigens, Viral, TumorLymphoma, FollicularT-Lymphocytes, Helper-InducerPanuveitisPeyer's PatchesMembrane GlycoproteinsMutationMacrophagesEpitopesAntigens, DifferentiationEnzyme-Linked Immunosorbent AssayImmunoglobulin DBase SequenceHaptensHistocompatibility AntigensPeanut AgglutininImmunoenzyme TechniquesTreatment OutcomeInterferon-gammaProliferating Cell Nuclear AntigenAntigens, CD11cImmune ToleranceCytidine DeaminaseImmunophenotyping