LampreysReceptors, AntigenHagfishesLymphocytesB-LymphocytesPetromyzonLymphocyte ActivationReceptors, ImmunologicPalatine TonsilT-LymphocytesComplement C3Rosette FormationComplement ActivationBinding Sites, AntibodyGene RearrangementComplement System ProteinsReceptors, Antigen, B-CellReceptors, Complement 3dHerpesvirus 4, HumanMolecular Sequence DataReceptors, ComplementComplement C3dImmunoglobulin MComplement C4Amino Acid SequenceCells, CulturedB-Lymphocyte SubsetsComplement C5Complement C3bPokeweed MitogensComplement C1qImmunoglobulinsAntigens, CD19Antigens, Differentiation, B-LymphocyteEpstein-Barr Virus Nuclear AntigensComplement Pathway, AlternativeCell Transformation, ViralSpleenImmunoglobulin GCell LineAntigens, CDImmunoglobulin DComplement C9Antigens, CD40Complement Pathway, ClassicalAntibodies, MonoclonalLymphocyte SubsetsComplement Membrane Attack ComplexAntibody FormationComplement Inactivator ProteinsComplement C2Complement Factor BInterleukin-4Antibodies, Anti-IdiotypicCell Line, TransformedLymphocyte CountLeukemia, LymphoidReceptors, Complement 3bComplement Factor HComplement C3aComplement Inactivating AgentsComplement C5aComplement C6Flow CytometryComplement C1Base SequenceDermatitis, ExfoliativeBurkitt LymphomaAntigens, CD5Complement Activating EnzymesComplement C4bCell DivisionCell SeparationCD40 LigandHemolytic Plaque TechniqueImmunoglobulin Heavy ChainsCell DifferentiationComplement C3-C5 ConvertasesComplement Fixation TestsViral Matrix ProteinsSignal TransductionRNA, MessengerComplement C7Interleukin-2Complement C8Lymphoma, B-CellLymphocyte CooperationClone CellsComplement C3cDose-Response Relationship, ImmunologicMembrane GlycoproteinsMice, Inbred C57BLTumor Cells, CulturedImmune Adherence ReactionLeukocyte CountRecombinant ProteinsFluorescent Antibody TechniqueAntigens, ViralMice, Inbred BALB CLymphocyte Culture Test, Mixed