Cell CycleCell Cycle ProteinsG1 PhaseS PhaseCell Cycle CheckpointsCyclinsMitosisCell DivisionG2 PhaseCyclin-Dependent Kinase Inhibitor p27Retinoblastoma ProteinCell ProliferationCyclin-Dependent Kinase Inhibitor p21Disease ProgressionCyclin-Dependent Kinase 2ApoptosisCyclin D1CDC2 Protein KinaseCyclin-Dependent KinasesProtein-Serine-Threonine KinasesPhosphorylationCyclin ACyclin ECell Line, TumorTumor Suppressor Protein p53DNA-Binding ProteinsGenes, cdcMolecular Sequence DataE2F Transcription FactorsCyclin-Dependent Kinase 4G0 PhaseSignal TransductionCell LineCDC2-CDC28 KinasesCyclin BNuclear ProteinsTranscription FactorsTumor Suppressor Proteinscdc25 PhosphatasesE2F1 Transcription FactorDNA DamageDNA ReplicationG1 Phase Cell Cycle CheckpointsFlow CytometryHeLa CellsMutationInterphaseRNA, MessengerGene Expression RegulationG2 Phase Cell Cycle CheckpointsCells, CulturedTranscription, GeneticTumor Cells, CulturedCell NucleusBase SequenceCyclin B1Cyclin DAmino Acid SequenceMenstrual CycleCyclin-Dependent Kinase Inhibitor ProteinsModels, BiologicalTime FactorsTranscription Factor DP1Saccharomyces cerevisiaeBlotting, WesternGene Expression Regulation, NeoplasticTransfectionDown-RegulationRetinoblastoma-Binding Protein 1Saccharomyces cerevisiae ProteinsProtein KinasesCell SurvivalProtein BindingCell DifferentiationGene Expression ProfilingCaulobacter crescentusCyclin D3RNA, Small InterferingDNAProto-Oncogene ProteinsPromoter Regions, GeneticFibroblastsHistonesBromodeoxyuridineUbiquitin-Protein Ligase ComplexesFungal ProteinsProliferating Cell Nuclear AntigenCarrier ProteinsMicrotubule-Associated ProteinsOligonucleotide Array Sequence Analysis3T3 CellsCyclin D2Reverse Transcriptase Polymerase Chain ReactionCyclin-Dependent Kinase Inhibitor p16Antineoplastic AgentsS Phase Cell Cycle CheckpointsRNA InterferenceAnaphase-Promoting Complex-CyclosomeCyclin-Dependent Kinase 6Enzyme Inhibitors