Cell CycleCell Cycle ProteinsCell Cycle CheckpointsG1 PhaseMitosisS PhaseMammalsMolecular Sequence DataCyclinsCell DivisionCell LineG2 PhaseAmino Acid SequenceMenstrual CycleApoptosisCell ProliferationCyclin-Dependent Kinase Inhibitor p21Cyclin-Dependent Kinase Inhibitor p27Retinoblastoma ProteinBase SequenceG2 Phase Cell Cycle CheckpointsPhosphorylationProtein-Serine-Threonine KinasesDNA-Binding ProteinsHeLa CellsCell Line, TumorSignal TransductionMutationNuclear ProteinsCDC2 Protein KinaseTranscription FactorsG0 PhaseDNA ReplicationTumor Suppressor Protein p53DNA DamageCells, CulturedRNA, MessengerCyclin-Dependent Kinase 2G1 Phase Cell Cycle CheckpointsCell NucleusCyclin D1DNAGene Expression RegulationCyclin ESaccharomyces cerevisiaeModels, BiologicalInterphaseTranscription, GeneticFlow CytometryGenes, cdcCyclin ATime FactorsTumor Suppressor ProteinsProtein BindingCyclin BTransfectionCyclin-Dependent Kinase 4Sequence Homology, Amino AcidTumor Cells, CulturedProtein KinasesEmbryo, MammalianSaccharomyces cerevisiae ProteinsBlotting, WesternCDC2-CDC28 KinasesCell Survivalcdc25 PhosphatasesCloning, MolecularCarrier ProteinsEstrous CycleE2F Transcription FactorsKineticsCyclin B1FibroblastsRecombinant Fusion ProteinsFungal ProteinsBromodeoxyuridineCricetinaeGene ExpressionCyclin DPromoter Regions, GeneticHistonesRNA, Small InterferingCitric Acid CycleE2F1 Transcription FactorRNA InterferenceTOR Serine-Threonine KinasesCell DifferentiationGene Expression Regulation, DevelopmentalDown-RegulationRecombinant ProteinsProteinsSchizosaccharomycesMicrotubule-Associated ProteinsGene Expression ProfilingMicroscopy, FluorescenceProto-Oncogene ProteinsDNA RepairEnzyme InhibitorsS Phase Cell Cycle CheckpointsAntineoplastic Agents