TelomereTelomere ShorteningTelomeraseTelomere HomeostasisCell AgingTelomeric Repeat Binding Protein 2Telomere-Binding ProteinsDyskeratosis CongenitaTelomeric Repeat Binding Protein 1In Situ Hybridization, FluorescenceAnticipation, GeneticDNA DamageChromosomal InstabilityAging, PrematureAgingRNAFibroblastsDNA-Binding ProteinsLeukocytesBlotting, SouthernCell DivisionLongevityMutationGenomic InstabilityCrowsG-QuadruplexesOxidative StressChromosomes, HumanTumor Suppressor Protein p53Repetitive Sequences, Nucleic AcidWerner SyndromeChromosome AberrationsDNASaccharomyces cerevisiae Proteinsbeta-GalactosidaseTime FactorsCells, CulturedCell CycleChromosomesOligonucleotidesDNA RepairAntigens, NuclearCell Cycle ProteinsSaccharomyces cerevisiaeAtaxia Telangiectasia Mutated ProteinsMyocardial ContractionCyclin-Dependent Kinase Inhibitor p16Cell Line, TransformedApoptosisBase SequencePhenotypeAtaxia TelangiectasiaIsotonic ContractionBromodeoxyuridineMuscle ContractionCell LineMice, KnockoutNeoplasmsNuclear ProteinsDNA, FungalKaryotypingTankyrasesGene DeletionModels, BiologicalGuanineCell Transformation, NeoplasticProtein-Serine-Threonine KinasesDNA ReplicationCell ProliferationHistonesHematopoietic Stem CellsComet AssayFlow CytometrySarcomeresAge FactorsMolecular Sequence DataRecombination, GeneticPrecancerous ConditionsDNA PrimersCyclin-Dependent Kinase Inhibitor p21Cell Line, TumorCase-Control StudiesReverse Transcriptase Polymerase Chain ReactionOxytrichaIsometric ContractionPolymerase Chain ReactionHeLa CellsGenes, DominantHydrogen PeroxideMitosisHeterozygoteMice, Inbred C57BLBiological MarkersCell SurvivalProtein BindingRegenerationChromosomes, FungalK562 CellsTumor Suppressor ProteinsStem Cells