Hair DiseasesTranscription FactorsTranscription, GeneticGene Expression RegulationPromoter Regions, GeneticSp1 Transcription FactorBase SequenceRNA, MessengerMolecular Sequence DataTranscriptional ActivationCell LineTrans-ActivatorsDNA-Binding ProteinsBinding SitesProtein BindingNuclear ProteinsRepressor ProteinsTranscription Initiation SiteAmino Acid SequenceMutationSignal TransductionTransfectionDNAHeLa CellsRNA Polymerase IITranscription Factor AP-1Cell NucleusGene Knockdown TechniquesRNA, Small InterferingBasic Helix-Loop-Helix Transcription FactorsRNA InterferenceSTAT3 Transcription FactorReverse Transcriptase Polymerase Chain ReactionGene Expression Regulation, DevelopmentalCells, CulturedPlasmidsGenes, ReporterTranscription Factors, TFIIHomeodomain ProteinsTranscription Factor TFIID