Proliferating Cell Nuclear AntigenCell CycleCell Cycle ProteinsEpstein-Barr Virus Nuclear AntigensS PhaseG1 PhaseDisease ProgressionCell DivisionAntigensCyclinsCell ProliferationMitosisNuclear ProteinsCyclin-Dependent Kinase Inhibitor p21Molecular Sequence DataDNA ReplicationRetinoblastoma ProteinApoptosisCyclin-Dependent KinasesCyclin-Dependent Kinase Inhibitor p27Cell LineReplication Protein CG2 PhaseCyclin D1Cell Cycle CheckpointsCyclin-Dependent Kinase 2Cell Line, TumorAntigens, ViralAntigens, NeoplasmDNA-Binding ProteinsPhosphorylationProtein-Serine-Threonine KinasesAmino Acid SequenceCyclin EImmunohistochemistryCells, CulturedAntigens, BacterialSignal TransductionTumor Suppressor Protein p53MutationCyclin ADNA DamageBase SequenceCDC2-CDC28 KinasesCDC2 Protein KinaseCyclin-Dependent Kinase 4Cell NucleusFlow CytometryProtein BindingE2F Transcription FactorsDNABlotting, WesternTranscription FactorsBromodeoxyuridineRNA, MessengerAntigens, SurfaceTumor Cells, CulturedHeLa CellsG0 PhaseTime FactorsAntigens, NuclearE2F1 Transcription FactorTumor Suppressor ProteinsGene Expression RegulationTransfectionCyclin BDNA Polymerase IIICyclin DTranscription, GeneticSaccharomyces cerevisiae ProteinsSaccharomyces cerevisiaeModels, BiologicalDown-Regulationcdc25 PhosphatasesGene Expression Regulation, NeoplasticCell SurvivalCell DifferentiationPromoter Regions, GeneticCyclin B1KineticsFibroblastsRNA, Small InterferingHerpesvirus 4, HumanGenes, cdcInterphaseDNA RepairProto-Oncogene ProteinsCarrier ProteinsG2 Phase Cell Cycle CheckpointsRecombinant Fusion ProteinsAntigens, Polyomavirus TransformingReverse Transcriptase Polymerase Chain ReactionTranscription Factor DP1Enzyme InhibitorsDNA PrimersFluorescent Antibody TechniqueProtein KinasesGene ExpressionKi-67 AntigenRetinoblastoma-Binding Protein 1