Cell AgingCyclin-Dependent Kinase Inhibitor p16TelomereFibroblastsTumor Suppressor Protein p53Aging, PrematureTelomere ShorteningCyclin-Dependent Kinase Inhibitor p21Telomerasebeta-GalactosidaseAgingDNA DamageCells, CulturedCell ProliferationCell Line, TumorRetinoblastoma ProteinCell CycleCell Cycle CheckpointsSignal TransductionOxidative StressCell Transformation, NeoplasticCell LineTumor Suppressor ProteinsTumor Suppressor Protein p14ARFSirtuin 1NeoplasmsProgeriaLongevityNuclear ProteinsRNA, Small InterferingPhenotypeReactive Oxygen SpeciesTelomeric Repeat Binding Protein 2ApoptosisGene Expression RegulationGenes, p16DiploidyRNA InterferenceModels, BiologicalDown-RegulationHeterochromatinDNA-Binding ProteinsGene Knockdown TechniquesHydrogen PeroxideWerner SyndromeCell Divisionras ProteinsTranscription FactorsMutationRepressor ProteinsUp-RegulationMice, KnockoutPlant LeavesBlotting, WesternOncogenesOxidantsGene SilencingCell Cycle ProteinsForeskinHistonesNevus, PigmentedTOR Serine-Threonine KinasesGenes, rasHCT116 CellsMice, Inbred C57BLGene Expression Regulation, NeoplasticReverse Transcriptase Polymerase Chain ReactionGenomic InstabilityProto-Oncogene Proteins c-mycCell Line, TransformedRNA, MessengerCyclin-Dependent Kinase Inhibitor p15Polycomb Repressive Complex 1Molecular Sequence DataInhibitor of Differentiation Protein 1Promoter Regions, GeneticIntranuclear Inclusion BodiesTelomere HomeostasisProtein-Serine-Threonine KinasesTime FactorsMicroRNAsSirtuinsRadiationTranscription, GeneticGenes, p53Embryo, MammalianToyocamycinTransfectionJumonji Domain-Containing Histone DemethylasesEndothelial CellsCyclin-Dependent Kinase Inhibitor p27Epithelial CellsBase SequenceCell ShapePhosphorylationIsopropyl ThiogalactosideBiological MarkersAntigens, NuclearMice, TransgenicGene Expression