Receptors, CXCR5T-Lymphocytes, Helper-InducerGerminal CenterInducible T-Cell Co-Stimulator ProteinInterleukinsReceptors, Interleukin-21Inducible T-Cell Co-Stimulator LigandProto-Oncogene Proteins c-mafB-LymphocytesNuclear Receptor Subfamily 1, Group F, Member 1Adaptive ImmunityProgrammed Cell Death 1 ReceptorCell DifferentiationSyndecan-1Antibody FormationCD4-Positive T-LymphocytesAutoantibodiesOrganophosphonatesFlow CytometryImmunophenotypingMice, TransgenicAntigens, CD4Immunologic MemoryMice, Inbred C57BLMice, KnockoutAdenineCytokinesT-Lymphocyte SubsetsAspartate AminotransferasesLymph NodesDNA-Binding ProteinsImmunoglobulin GSignal TransductionImmunity, HumoralProto-Oncogene Proteins c-bcl-6STAT4 Transcription FactorPemphigoid, BullousNon-Fibrillar CollagensAntigens, CD5Nuclear Receptor Subfamily 1, Group F, Member 3T-Box Domain ProteinsPlasma CellsPalatine TonsilTh2 CellsVaccinesAntigens, CD19Cell LineageImmunoglobulin E