Cell CycleCell ProliferationCell Cycle ProteinsCell Cycle CheckpointsG1 PhaseS PhaseMitosisCyclinsCell DivisionMenstrual CycleG2 PhaseApoptosisCyclin-Dependent Kinase Inhibitor p21Cyclin-Dependent Kinase Inhibitor p27Retinoblastoma ProteinG2 Phase Cell Cycle CheckpointsG0 PhaseCDC2 Protein KinaseCell Line, TumorTumor Suppressor Protein p53G1 Phase Cell Cycle CheckpointsCyclin-Dependent Kinase 2Protein-Serine-Threonine KinasesPhosphorylationCyclin D1DNA ReplicationCyclin EGenes, cdcDNA DamageCell LineCyclin AInterphaseDNA-Binding ProteinsMolecular Sequence DataFlow CytometryTime FactorsCyclin BCyclin-Dependent Kinase 4Nuclear ProteinsSignal TransductionTumor Suppressor ProteinsCDC2-CDC28 KinasesMutationEstrous CycleCell NucleusTranscription Factorscdc25 PhosphatasesCells, CulturedModels, BiologicalTumor Cells, CulturedHeLa CellsE2F Transcription FactorsRNA, MessengerSaccharomyces cerevisiaeCyclin B1Gene Expression RegulationTranscription, GeneticDNACyclin DCell DifferentiationCitric Acid CycleBase SequenceCell SurvivalAmino Acid SequenceBromodeoxyuridineE2F1 Transcription FactorBlotting, WesternSaccharomyces cerevisiae ProteinsS Phase Cell Cycle CheckpointsProtein KinasesProtein BindingDown-RegulationAntineoplastic AgentsFibroblastsCyclin D3Cyclin-Dependent Kinase Inhibitor ProteinsTransfectionFungal ProteinsSchizosaccharomycesHistonesGene Expression ProfilingM Phase Cell Cycle CheckpointsGene Expression Regulation, NeoplasticProliferating Cell Nuclear AntigenMicrotubule-Associated ProteinsProto-Oncogene ProteinsHydroxyureaRNA, Small InterferingCyclin-Dependent Kinase Inhibitor p16Caulobacter crescentusPromoter Regions, GeneticCyclin-Dependent Kinase 6Enzyme InhibitorsKineticsCyclin D2Transcription Factor DP1MimosineCarrier ProteinsUbiquitin-Protein Ligase ComplexesRNA Interference