Upstream Stimulatory FactorsPromoter Regions, GeneticE-Box ElementsTranscription FactorsDNA-Binding ProteinsHelix-Loop-Helix MotifsBase SequenceElectrophoretic Mobility Shift AssayReceptors, FSHGene Expression RegulationTranscription, GeneticMolecular Sequence DataProtein BindingBinding SitesDNA FootprintingTranscriptional ActivationSp1 Transcription FactorTransfectionDNA5' Flanking RegionFatty Acid SynthasesRegulatory Sequences, Nucleic AcidResponse ElementsGene Expression Regulation, EnzymologicGenes, Reporter