Cloning, OrganismClone CellsCell LineHistiocytoma, Benign FibrousRhabdomyosarcomaCloning, MolecularMolecular Sequence DataCell Transformation, ViralAntigens, SurfaceBase SequenceCell DivisionAmino Acid SequenceKaryotypingNeoplasms, ExperimentalMammary Neoplasms, ExperimentalCytotoxicity, ImmunologicCells, CulturedTumor Cells, CulturedCell DifferentiationDNA, ComplementaryDNAT-LymphocytesRNA, MessengerSequence Homology, Amino AcidSequence Analysis, DNASequence Homology, Nucleic AcidNucleic Acid HybridizationPolymerase Chain ReactionLymphocyte ActivationGenesPlasmidsBlotting, SouthernEpitopesReceptors, Antigen, T-Cell, alpha-betaGenes, BacterialReceptors, Antigen, T-CellEscherichia coliRecombinant ProteinsDNA Restriction EnzymesT-Lymphocytes, Helper-InducerMutationSequence AlignmentGene ExpressionTransfectionChromosome MappingTranscription, GeneticDNA, RecombinantCD4-Positive T-LymphocytesPhenotypeBlotting, NorthernDNA, BacterialDNA PrimersB-LymphocytesGenetic VectorsAntibodies, MonoclonalGenes, T-Cell Receptor betaPhylogenyT-Lymphocytes, Cytotoxic