Upstream Stimulatory FactorsPromoter Regions, GeneticE-Box ElementsTranscription FactorsDNA-Binding ProteinsHelix-Loop-Helix MotifsBase SequenceElectrophoretic Mobility Shift AssayReceptors, FSHGene Expression RegulationTranscription, GeneticMolecular Sequence DataProtein BindingBinding SitesTranscriptional ActivationDNA FootprintingSp1 Transcription FactorTransfection5' Flanking RegionFatty Acid SynthasesDNARegulatory Sequences, Nucleic AcidResponse ElementsGene Expression Regulation, EnzymologicGenes, ReporterLuciferasesSp3 Transcription FactorNuclear ProteinsHeLa CellsEnhancer Elements, GeneticCell LineChromatin ImmunoprecipitationCells, CulturedRNA, MessengerCCAAT-Enhancer-Binding ProteinsGenes, DominantLiverTumor Cells, CulturedPlasmidsCell NucleusMutagenesis, Site-DirectedMutationDNA Primers