Germinal CenterMacrophagesMacrophage ActivationMacrophages, PeritonealB-LymphocytesMacrophages, AlveolarDendritic Cells, FollicularPalatine TonsilB-Lymphocyte SubsetsMice, Inbred C57BLSpleenProto-Oncogene Proteins c-bcl-6PhenylacetatesCells, CulturedSomatic Hypermutation, ImmunoglobulinPhagocytosisLymphoid TissuePlasma CellsMacrophage Colony-Stimulating FactorLymph NodesReceptors, CXCR5Mice, KnockoutLymphoma, B-CellLymphoma, Large B-Cell, DiffuseImmunoglobulin Class SwitchingNitrophenolsMice, Inbred BALB CLipopolysaccharidesChemokine CXCL13Cell DifferentiationGene Rearrangement, B-LymphocyteCell LineImmunohistochemistryGenes, ImmunoglobulinMonocytesT-LymphocytesAntigens, CD40Macrophage Migration-Inhibitory FactorsImmunoglobulin Variable RegionLymphocyte ActivationFlow CytometryReceptors, Antigen, B-CellLymphoma, FollicularImmunologic MemoryImmunoglobulin Heavy ChainsAntigens, T-IndependentSignal TransductionImmunoglobulin GTumor Necrosis Factor-alphaAntigens, CDAntibody FormationPeyer's PatchesMolecular Sequence DataCytokinesRNA, MessengerImmunoglobulin DMice, TransgenicCytidine DeaminaseImmunoglobulin MT-Lymphocytes, Helper-InducerPeanut AgglutininGene Expression RegulationImmunophenotypingAntibody AffinityInflammationApoptosisBase SequenceInterferon Regulatory FactorsPeritoneal CavityThioglycolatesInterferon-gammaInducible T-Cell Co-Stimulator ProteinLymphocytesTime FactorsMice, Inbred C3HHaptensMacrophage Inflammatory ProteinsAntigens, Differentiation, MyelomonocyticAntibodies, MonoclonalMembrane GlycoproteinsPseudolymphomaAscitic FluidNeprilysinReceptor, Macrophage Colony-Stimulating FactorCD40 LigandModels, ImmunologicalBone Marrow CellsReverse Transcriptase Polymerase Chain ReactionAntigensAntigens, DifferentiationDendritic CellsImmunizationImmunoenzyme TechniquesDNA-Binding ProteinsUp-RegulationMutationChild Day Care CentersReed-Sternberg CellsPhenotypeAntigenic Modulation