Cell CycleCell Cycle ProteinsG1 PhaseS PhaseCell Cycle CheckpointsCheckpoint Kinase 2MitosisG2 PhaseDisease ProgressionCyclinsProtein-Serine-Threonine KinasesGenes, cdcCell DivisionDNA DamageRetinoblastoma ProteinCell ProliferationM Phase Cell Cycle CheckpointsCyclin-Dependent Kinase Inhibitor p27G2 Phase Cell Cycle CheckpointsPhosphorylationCyclin-Dependent Kinase Inhibitor p21ApoptosisCyclin-Dependent Kinase 2CDC2 Protein KinaseCell Line, TumorDNA ReplicationCyclin D1Nuclear ProteinsDNA-Binding ProteinsProtein KinasesCyclin ECyclin BCyclin-Dependent KinasesSignal TransductionTumor Suppressor Protein p53cdc25 PhosphatasesCyclin ATumor Suppressor ProteinsSpindle ApparatusCell LineMutationCDC2-CDC28 KinasesCyclin-Dependent Kinase 4G0 PhaseMolecular Sequence DataE2F Transcription FactorsSaccharomyces cerevisiae ProteinsHeLa CellsCyclin B1Flow CytometrySaccharomyces cerevisiaeS Phase Cell Cycle CheckpointsG1 Phase Cell Cycle CheckpointsE2F1 Transcription FactorTranscription FactorsAtaxia Telangiectasia Mutated ProteinsHydroxyureaSchizosaccharomycesCells, CulturedTumor Cells, CulturedCell NucleusModels, BiologicalInterphaseTime FactorsSchizosaccharomyces pombe ProteinsCyclin DNocodazoleBlotting, WesternAmino Acid SequenceGene Expression RegulationRNA, Small InterferingCell SurvivalRNA, MessengerProtein BindingFungal ProteinsKinetochoresDNATranscription, GeneticUbiquitin-Protein Ligase ComplexesDNA RepairBase SequenceMenstrual CycleDown-RegulationTransfectionGene Expression Regulation, NeoplasticFibroblastsAnaphase-Promoting Complex-CyclosomeTranscription Factor DP1HistonesBromodeoxyuridineRNA InterferenceCarrier ProteinsProto-Oncogene ProteinsCell DifferentiationAntineoplastic AgentsMicrotubule-Associated ProteinsMimosineRetinoblastoma-Binding Protein 1Enzyme InhibitorsChromosome Segregation