Epigenetic RepressionEpigenesis, GeneticDNA MethylationGene SilencingCpG IslandsPolycomb Repressive Complex 2HistonesHydroxamic AcidsPromoter Regions, GeneticRepressor ProteinsAzacitidineChromatin ImmunoprecipitationEnzyme RepressionChromatinCell Line, TumorGene Expression Regulation, NeoplasticTranscription, GeneticTranscription FactorsDNA-Binding ProteinsCatabolite RepressionMolecular Sequence DataBase SequenceGene Expression Regulation