Hybrid CellsHybridization, GeneticCell FusionEnkephalin, Leucine-2-AlanineNeuroblastomaCell LineKaryotypingChromosomes, Human, 16-18Chromosomes, Human, 6-12 and XMolecular Sequence DataGliomaEnkephalin, LeucineChromosome MappingCricetinaeBase SequenceChromosomesGenesReceptors, OpioidAmino Acid SequenceKineticsNucleic Acid HybridizationClone CellsFibroblastsFluorescent Antibody TechniqueL Cells (Cell Line)Cloning, MolecularChimeraChromosomes, Human, 4-5Chromosome BandingChromosomes, Human, 13-15Chromosomes, Human, 19-20Molecular WeightHypoxanthine PhosphoribosyltransferaseCell MembraneEtorphineCricetulusMicroscopy, ElectronDNAHybrid VigorChromosomes, Human, 1-3Lesch-Nyhan SyndromeElectrophoresis, Polyacrylamide GelX ChromosomeTumor Cells, CulturedMembrane ProteinsCells, CulturedHybridomasSpecies SpecificitySex ChromosomesRNA, MessengerAntibodies, MonoclonalPhenotypeAntigens, SurfaceChromosomes, Human, 21-22 and YNeoplasms, ExperimentalParainfluenza Virus 1, HumanBlotting, SouthernMicrotubulesMutationTranscription, GeneticHeLa CellsChromosomes, Human, Pair 11TransfectionRadiation Hybrid MappingReceptors, Opioid, deltaCell Transformation, NeoplasticRestriction MappingBucladesineChromosomes, HumanActinsGolgi ApparatusCrosses, GeneticCytoplasmTeratomaCell DifferentiationGlucose-6-Phosphate IsomeraseGenetic LinkageCell CompartmentationCell DivisionGene Expression RegulationEpitopesEnkephalin, MethionineDiploidyGenetic MarkersMacromolecular SubstancesCalciumRNAAdenylate Cyclase ToxinRecombinant Fusion ProteinsCell NucleusReceptors, Cell SurfaceMorphinansGlycoproteinsCattleProtein BindingAdenylate CyclaseCytoskeletonElectrophoresisPolymerase Chain Reaction