Germinal CenterB-LymphocytesDendritic Cells, FollicularPalatine TonsilB-Lymphocyte SubsetsPhenylacetatesProto-Oncogene Proteins c-bcl-6Somatic Hypermutation, ImmunoglobulinPlasma CellsSpleenReceptors, CXCR5Cell DifferentiationLymphoid TissueLymphoma, B-CellImmunoglobulin Class SwitchingLymph NodesLymphoma, Large B-Cell, DiffuseNitrophenolsChemokine CXCL13Gene Rearrangement, B-LymphocyteImmunoglobulin Variable RegionMice, Inbred C57BLGenes, ImmunoglobulinAntigens, CD40Receptors, Antigen, B-CellImmunoglobulin Heavy ChainsLymphoma, FollicularLymphocyte ActivationAntigens, T-IndependentMolecular Sequence DataImmunologic MemoryImmunoglobulin DSperm MaturationPeyer's PatchesMice, KnockoutAntibody FormationCytidine DeaminaseT-LymphocytesPeanut AgglutininImmunoglobulin MImmunohistochemistrySexual MaturationDendritic CellsOocytesImmunoglobulin GT-Lymphocytes, Helper-InducerFlow CytometryCells, CulturedMice, TransgenicImmunophenotypingAntibody AffinityInducible T-Cell Co-Stimulator ProteinHaptensBase SequenceAntigens, CDMutationSignal TransductionPseudolymphomaNeprilysinMice, Inbred BALB CCD40 LigandInterferon Regulatory FactorsAmino Acid SequenceGene Rearrangement, B-Lymphocyte, Heavy ChainImmunoglobulinsOogenesisModels, ImmunologicalChild Day Care CentersAntigenic ModulationReceptors, Complement 3dReed-Sternberg CellsImmunizationAntigensReceptors, Interleukin-21HemocyaninDNA-Binding ProteinsLymphocyte CooperationTime FactorsThymus GlandMembrane GlycoproteinsChromosomes, Human, Pair 14Bursa of FabriciusImmunity, HumoralRNA, MessengerBurkitt LymphomaHodgkin DiseaseAntibody-Producing Cellsgamma-GlobulinsClone CellsPhenotypeImmunoblastic LymphadenopathyLymphotoxin-betaLymphatic DiseasesAntibodies, MonoclonalGene Expression RegulationImmunoenzyme TechniquesB-Cell Activating FactorProto-Oncogene ProteinsApoptosisCD4-Positive T-Lymphocytes