Cell CycleCell Cycle ProteinsCell Cycle CheckpointsG1 PhaseMitosisS PhaseCyclinsCell DivisionMenstrual CycleG2 PhaseMolecular Sequence DataApoptosisCyclin-Dependent Kinase Inhibitor p21Cyclin-Dependent Kinase Inhibitor p27Cell ProliferationRetinoblastoma ProteinG2 Phase Cell Cycle CheckpointsCDC2 Protein KinaseG0 PhaseCell Line, TumorTumor Suppressor Protein p53G1 Phase Cell Cycle CheckpointsProtein-Serine-Threonine KinasesCyclin-Dependent Kinase 2PhosphorylationDNA ReplicationMutationCell LineCyclin D1DNA-Binding ProteinsDNA DamageAmino Acid SequenceBase SequenceCyclin EModels, BiologicalGenes, cdcSignal TransductionInterphaseCyclin AFlow CytometryCyclin BNuclear ProteinsTime FactorsSaccharomyces cerevisiaeTranscription FactorsCyclin-Dependent Kinase 4Tumor Suppressor ProteinsCell NucleusCells, CulturedCDC2-CDC28 KinasesTranscription, GeneticRNA, MessengerHeLa CellsGene Expression Regulationcdc25 PhosphatasesEstrous CycleTumor Cells, CulturedE2F Transcription FactorsDNASaccharomyces cerevisiae ProteinsCyclin B1Cell DifferentiationCitric Acid CycleCell SurvivalBlotting, WesternCyclin DFungal ProteinsProtein BindingBromodeoxyuridineE2F1 Transcription FactorGene Expression ProfilingProtein KinasesSchizosaccharomycesPhenotypePhylogenyS Phase Cell Cycle CheckpointsHistonesDown-RegulationFibroblastsSequence Homology, Amino AcidTransfectionBacteriaKineticsCyclin-Dependent Kinase Inhibitor ProteinsAntineoplastic AgentsPromoter Regions, GeneticCyclin D3RNA InterferenceCarrier ProteinsRNA, Small InterferingMicrotubule-Associated ProteinsGene ExpressionCulture MediaProliferating Cell Nuclear AntigenCaulobacter crescentusM Phase Cell Cycle CheckpointsGene Expression Regulation, NeoplasticProto-Oncogene ProteinsOligonucleotide Array Sequence AnalysisHydroxyurea