Cell CycleCell Cycle ProteinsCell Cycle CheckpointsG1 PhaseMitosisS PhaseCell DivisionCyclinsApoptosisCell ProliferationG2 PhaseCell Line, TumorMenstrual CycleCyclin-Dependent Kinase Inhibitor p21Cyclin-Dependent Kinase Inhibitor p27Retinoblastoma ProteinMolecular Sequence DataCell LineTumor Suppressor Protein p53Signal TransductionPhosphorylationG2 Phase Cell Cycle CheckpointsProtein-Serine-Threonine KinasesDNA-Binding ProteinsCyclin D1Transcription FactorsRNA, MessengerMutationNuclear ProteinsG0 PhaseCDC2 Protein KinaseCells, CulturedG1 Phase Cell Cycle CheckpointsCyclin-Dependent Kinase 2Cyclin EGene Expression RegulationTransfectionTumor Cells, CulturedFlow CytometryDNA DamageDNA ReplicationBase SequenceBlotting, WesternCyclin ATumor Suppressor ProteinsCell NucleusGenes, cdcHeLa CellsAmino Acid SequenceGene ExpressionCyclin BCyclin-Dependent Kinase 4Transcription, GeneticInterphaseTime FactorsGene Expression Regulation, NeoplasticCell DifferentiationSaccharomyces cerevisiaeModels, BiologicalCDC2-CDC28 KinasesCell SurvivalDown-RegulationProtein Bindingcdc25 PhosphatasesRNA, Small InterferingPromoter Regions, GeneticE2F Transcription FactorsSaccharomyces cerevisiae ProteinsReverse Transcriptase Polymerase Chain ReactionEstrous CycleProto-Oncogene ProteinsDNAUp-RegulationCyclin B1Mice, TransgenicImmunohistochemistryE2F1 Transcription FactorRNA InterferenceCarrier ProteinsCyclin DFibroblastsGene Expression ProfilingBromodeoxyuridineFungal ProteinsPhenotypeProtein KinasesRecombinant Fusion ProteinsAntineoplastic AgentsCitric Acid CycleMicrotubule-Associated ProteinsEnzyme InhibitorsSchizosaccharomycesCyclin D3S Phase Cell Cycle CheckpointsRepressor ProteinsHistonesEnzyme ActivationCyclin-Dependent Kinase Inhibitor p16DNA PrimersCyclin-Dependent Kinase Inhibitor Proteins