Clone CellsFetal BloodCell TransdifferentiationFetusCells, CulturedCell DifferentiationCloning, OrganismNuclear ReprogrammingMolecular Sequence DataAnimals, NewbornEmbryonic Stem CellsPluripotent Stem CellsCloning, MolecularAgingInduced Pluripotent Stem CellsStem CellsInfant, NewbornFibroblastsRNA, MessengerCell LineBase SequenceAdult Stem CellsAmino Acid SequenceEmbryo, MammalianGene Expression Regulation, DevelopmentalCell DivisionGene Expression RegulationCell Culture TechniquesCell LineagePhenotypeTranscription, GeneticFlow CytometryGene Expression ProfilingTranscription FactorsTime FactorsPregnancyAge FactorsT-LymphocytesDNA, ComplementaryModels, BiologicalSignal TransductionLymphocyte ActivationSequence Homology, Amino AcidDNAReceptors, Antigen, T-Cell, alpha-betaSequence Analysis, DNAEpitopesPlasmidsPolymerase Chain ReactionSequence Homology, Nucleic AcidNucleic Acid HybridizationReceptors, Antigen, T-CellT-Lymphocytes, Helper-InducerGenesBlotting, SouthernGenes, BacterialRecombinant ProteinsEscherichia coliCD4-Positive T-LymphocytesGenes, T-Cell Receptor betaDNA Restriction EnzymesB-LymphocytesMutationGene ExpressionSequence AlignmentTransfectionDNA, RecombinantEpitopes, T-LymphocyteTumor Cells, CulturedGenetic VectorsAntibodies, MonoclonalDNA PrimersChromosome MappingT-Lymphocytes, CytotoxicHLA-DR AntigensDNA, BacterialBlotting, NorthernCell Line, TransformedHistocompatibility Antigens Class IIGene Rearrangement, beta-Chain T-Cell Antigen ReceptorRestriction MappingMice, Inbred BALB CInterleukin-2Lymphocyte CooperationCytotoxicity, ImmunologicAntigen-Presenting CellsT-Lymphocyte SubsetsAntigens, SurfacePhylogenyMajor Histocompatibility ComplexHLA-DR Serological SubtypesComplementarity Determining RegionsPeptide FragmentsBacterial ProteinsDNA, ViralCD8-Positive T-LymphocytesImmunoglobulin Variable RegionRetroviridaeCricetinaeGenetic Complementation Test