TransfectionPromoter Regions, GeneticBase SequenceMolecular Sequence DataTranscription, GeneticCell LineTranscription FactorsDNA-Binding ProteinsGene Expression RegulationTranscriptional ActivationPlasmidsGenes, ReporterChloramphenicol O-AcetyltransferaseLuciferasesTumor Cells, CulturedRNA, MessengerDNABinding SitesEnhancer Elements, GeneticRegulatory Sequences, Nucleic AcidNuclear ProteinsSp1 Transcription FactorCells, CulturedHeLa CellsCloning, MolecularRecombinant Fusion ProteinsAmino Acid SequenceTrans-ActivatorsProtein BindingResponse ElementsGene ExpressionGenetic VectorsMutationCOS CellsDNA, ComplementaryDNA Primers5' Flanking RegionCell NucleusGene Expression Regulation, EnzymologicRepressor ProteinsGene Expression Regulation, ViralSequence DeletionPolyethyleneimineMutagenesis, Site-DirectedCell Line, TumorElectrophoretic Mobility Shift Assay3T3 CellsRestriction MappingRecombinant ProteinsDNA FootprintingImmediate-Early ProteinsConsensus SequenceTATA BoxRNA, Small InterferingDNA, ViralCercopithecus aethiopsDeoxyribonuclease ISignal TransductionSequence Homology, Nucleic AcidOligodeoxyribonucleotidesReceptors, Cytoplasmic and NuclearBlotting, WesternCricetinaeReverse Transcriptase Polymerase Chain ReactionProto-Oncogene ProteinsGene Expression Regulation, NeoplasticBlotting, NorthernBasic Helix-Loop-Helix Leucine Zipper Transcription FactorsNF-kappa BExonsDown-RegulationGene Transfer TechniquesHomeodomain ProteinsViral ProteinsCell Line, TransformedReceptors, Retinoic AcidFibroblastsCCAAT-Enhancer-Binding ProteinsIntronsErythroid-Specific DNA-Binding FactorsPolymerase Chain ReactionDNA Mutational AnalysisCyclic AMP Response Element-Binding ProteinReceptors, SteroidTranscription Factor AP-1Retinoid X ReceptorsGreen Fluorescent ProteinsGenes, ViralElectroporationHepatocyte Nuclear Factor 4Cell DifferentiationHepatocyte Nuclear Factor 1Sequence Homology, Amino AcidCarrier ProteinsCCAAT-Binding FactorOncogenesGenetic Therapybeta-GalactosidaseCell DivisionLiposomes