Hair DiseasesTranscription FactorsTranscription, GeneticGene Expression RegulationPromoter Regions, GeneticSp1 Transcription FactorBase SequenceRNA, MessengerMolecular Sequence DataTranscriptional ActivationTrans-ActivatorsBinding SitesDNA-Binding ProteinsCell LineTranscription Initiation SiteNuclear ProteinsProtein BindingRepressor ProteinsAmino Acid SequenceDNAMutationRNA Polymerase IITranscription Factor AP-1STAT3 Transcription FactorCell NucleusSignal TransductionHeLa CellsTransfectionBasic Helix-Loop-Helix Transcription FactorsTranscription Factors, TFIITranscription Factor TFIIDPlasmidsGenes, Reporter