Cell CycleCell Cycle ProteinsMitosisG1 PhaseS PhaseCyclinsMeiosisG2 PhaseCDC2 Protein KinaseCell DivisionCell Cycle CheckpointsDisease ProgressionCyclin BProtein-Serine-Threonine KinasesCell ProliferationRetinoblastoma ProteinCyclin-Dependent Kinase Inhibitor p27Cyclin-Dependent KinasesPhosphorylationSaccharomyces cerevisiaeDNA ReplicationApoptosisCyclin-Dependent Kinase Inhibitor p21Cyclin-Dependent Kinase 2Molecular Sequence DataCyclin D1Cell Line, TumorDNA-Binding ProteinsMutationCyclin ENuclear ProteinsSignal TransductionSaccharomyces cerevisiae ProteinsInterphaseSpindle ApparatusCell NucleusCyclin ASchizosaccharomycesTranscription FactorsSchizosaccharomyces pombe ProteinsCell LineG0 PhaseFungal ProteinsGenes, FungalCyclin-Dependent Kinase 4Protein KinasesHeLa CellsE2F Transcription FactorsTumor Suppressor Protein p53G2 Phase Cell Cycle CheckpointsCDC2-CDC28 KinasesAmino Acid SequenceRNA, MessengerUbiquitin-Protein Ligase ComplexesTranscription, GeneticDNA DamageTime FactorsCyclin B1Flow CytometryTumor Suppressor ProteinsAnaphase-Promoting Complex-Cyclosomecdc25 PhosphatasesE2F1 Transcription FactorBase SequenceGenes, cdcCells, CulturedModels, BiologicalStarfishTumor Cells, CulturedGene Expression Regulation, FungalG1 Phase Cell Cycle CheckpointsCyclin DGene Expression RegulationOocytesBlotting, WesternMenstrual CycleCell SurvivalPhenotypeNocodazoleCentrosomeXenopus ProteinsDown-RegulationBromodeoxyuridineRNA, Small InterferingProtein BindingDNATranscription Factor DP1TransfectionGene Expression Regulation, NeoplasticMicrotubule-Associated ProteinsCell DifferentiationProto-Oncogene ProteinsFibroblastsRNA InterferenceRetinoblastoma-Binding Protein 1FertilizationHistonesZygoteAntineoplastic AgentsXenopus