DNA MethylationImmunoprecipitationCpG IslandsOligonucleotide Array Sequence AnalysisPromoter Regions, GeneticSequence Analysis, DNAChromatin ImmunoprecipitationPrecipitin TestsProtein BindingCell LineMolecular Sequence DataTranscription, GeneticBase SequenceChromatinTranscription FactorsRNA, MessengerBinding SitesHistonesGene Expression RegulationCells, CulturedBlotting, WesternMolecular WeightCell Line, TumorDNA-Binding ProteinsResponse ElementsAmino Acid SequenceImmunosorbent TechniquesPhosphorylationAcetylationTransfectionElectrophoresis, Polyacrylamide GelTranscriptional ActivationElectrophoretic Mobility Shift AssayNuclear ProteinsAntibodies, MonoclonalRepressor ProteinsSignal TransductionSp1 Transcription FactorHeLa CellsImmunoblottingRNA, Small InterferingChemical PrecipitationDNAMembrane ProteinsReverse Transcriptase Polymerase Chain ReactionTrans-ActivatorsFluorescent Antibody TechniqueMutationProtein Processing, Post-TranslationalProtein BiosynthesisCell NucleusGene SilencingHistone DeacetylasesTwo-Hybrid System TechniquesRecombinant Fusion ProteinsRNA InterferencePhosphoproteinsRecombinant ProteinsCarrier ProteinsGene Expression Regulation, NeoplasticProtein Structure, TertiaryAntibodiesGenes, ReporterDNA PrimersTumor Cells, CulturedEpitopesCloning, MolecularLuciferasesAntibody SpecificityGene Knockdown TechniquesCell MembraneDown-RegulationMacromolecular SubstancesUp-RegulationViral ProteinsKineticsRNA Polymerase IIGene ExpressionGlycoproteinsAntigens, SurfaceEpigenesis, Genetic