ras Guanine Nucleotide Exchange FactorsLymphocytesSon of Sevenless ProteinsLymphocyte Activationras Proteinsras-GRF1PhytohemagglutininsGenes, rasGuanine Nucleotide Exchange FactorsAntigens, HeterophileGRB2 Adaptor ProteinBrucellosis, BovineConcanavalin ADrug HypersensitivityMitogensLectinsImmunity, CellularT-LymphocytesSkin TestsThymidineAmino Acid MotifsProto-Oncogene Proteins p21(ras)Pulmonary EosinophiliaTuberculinElectric StimulationHypersensitivity, DelayedCells, CulturedOncogene Protein p21(ras)AntigensB-LymphocytesSpleenMolecular Sequence DataTime FactorsAntibody FormationAntigens, BacterialCell DivisionAmino Acid Sequenceras GTPase-Activating ProteinsLymphocyte SubsetsSignal TransductionLymphocyte CountCell LineElectric Stimulation TherapyBase SequenceStimulation, ChemicalProtein BindingKineticsMutationBinding SitesDeep Brain StimulationPhysical StimulationEnzyme ActivationLymphocyte Culture Test, MixedPhosphorylationNucleotide MotifsProto-Oncogene Proteins c-rafMice, Inbred C57BLTransfectionFlow CytometryRNA, MessengerProtein Structure, TertiaryTranscranial Magnetic StimulationCD4-Positive T-LymphocytesRecombinant ProteinsSister Chromatid ExchangeT-Lymphocytes, CytotoxicLymphocytes, Tumor-InfiltratingCalciumGene Expression RegulationSequence Homology, Amino AcidDeuterium Exchange MeasurementCell MembraneInterleukin-2ProteinsDNA-Binding ProteinsPulmonary Gas ExchangeRecombinant Fusion ProteinsGuanosine TriphosphateCytotoxicity, ImmunologicDNAMice, Inbred BALB CAntigens, CDLymphocyte TransfusionLeukocyte CountExchange Transfusion, Whole BloodAntigens, CD3Transcription FactorsGuanosine DiphosphateAntibodies, MonoclonalCD8-Positive T-LymphocytesProto-Oncogene ProteinsDose-Response Relationship, DrugT-Lymphocyte SubsetsMembrane ProteinsTranscription, GeneticCarrier ProteinsGTP-Binding ProteinsModels, BiologicalInterferon-gamma3T3 Cells