Cell CycleG2 PhaseGene Products, vprG1 PhaseCell Cycle ProteinsS PhaseCell DivisionCell Line, TumorPhosphorylationCell Cycle CheckpointsMitosisCyclinsMenstrual CycleCyclin-Dependent Kinase Inhibitor p21ApoptosisCyclin-Dependent Kinase Inhibitor p27Retinoblastoma ProteinCell ProliferationG2 Phase Cell Cycle CheckpointsG0 PhaseCDC2 Protein KinaseG1 Phase Cell Cycle CheckpointsTumor Suppressor Protein p53Cyclin-Dependent Kinase 2Protein-Serine-Threonine KinasesCyclin D1DNA ReplicationCyclin EGenes, cdcDNA DamageCell LineCyclin AInterphaseDNA-Binding ProteinsCyclin BMolecular Sequence DataFlow CytometryCyclin-Dependent Kinase 4Nuclear ProteinsTumor Suppressor ProteinsSignal TransductionCDC2-CDC28 KinasesEstrous Cyclecdc25 PhosphatasesCell NucleusTranscription FactorsMutationCells, CulturedTumor Cells, CulturedE2F Transcription FactorsHeLa CellsTime FactorsCyclin B1Saccharomyces cerevisiaeRNA, MessengerModels, BiologicalGene Expression RegulationTranscription, GeneticCyclin DDNACell DifferentiationTombusvirusBase SequenceCell SurvivalBromodeoxyuridineE2F1 Transcription FactorAmino Acid SequenceSaccharomyces cerevisiae ProteinsReceptor-CD3 Complex, Antigen, T-CellS Phase Cell Cycle CheckpointsProtein KinasesDown-RegulationProtein BindingCyclin D3Cyclin-Dependent Kinase Inhibitor ProteinsFibroblastsAntineoplastic AgentsFungal ProteinsTransfectionSchizosaccharomycesHistonesM Phase Cell Cycle CheckpointsProliferating Cell Nuclear AntigenGene Expression Regulation, NeoplasticMicrotubule-Associated ProteinsProto-Oncogene ProteinsGene Expression ProfilingHydroxyureaRNA, Small InterferingCyclin-Dependent Kinase Inhibitor p16Caulobacter crescentusCyclin-Dependent Kinase 6Promoter Regions, GeneticCyclin D2Transcription Factor DP1MimosineEnzyme InhibitorsUbiquitin-Protein Ligase ComplexesCarrier ProteinsRNA Interference