Cell CycleCell Cycle ProteinsCell Cycle CheckpointsG1 PhaseMitosisS PhaseCell DivisionCyclinsApoptosisG2 PhaseMenstrual CycleCell ProliferationCell LineCyclin-Dependent Kinase Inhibitor p21Molecular Sequence DataPhosphorylationSignal TransductionCyclin-Dependent Kinase Inhibitor p27Cell Line, TumorRetinoblastoma ProteinTumor Suppressor Protein p53Cells, CulturedG2 Phase Cell Cycle CheckpointsDNA-Binding ProteinsProtein-Serine-Threonine KinasesMutationG0 PhaseCDC2 Protein KinaseDNA DamageTranscription FactorsDNA ReplicationNuclear ProteinsTime FactorsCyclin-Dependent Kinase 2G1 Phase Cell Cycle CheckpointsFlow CytometryCyclin D1Amino Acid SequenceRNA, MessengerBase SequenceTranscription, GeneticCyclin EGene Expression RegulationModels, BiologicalCell NucleusGenes, cdcHeLa CellsTumor Cells, CulturedCyclin AInterphaseTumor Suppressor ProteinsProtein BindingCyclin BCyclin-Dependent Kinase 4Saccharomyces cerevisiaeBlotting, WesternKineticsCell DifferentiationCDC2-CDC28 KinasesDNACell SurvivalTransfectionSaccharomyces cerevisiae Proteinscdc25 PhosphatasesEstrous CycleE2F Transcription FactorsProtein KinasesPromoter Regions, GeneticCyclin B1Carrier ProteinsFibroblastsDown-RegulationEnzyme InhibitorsRNA, Small InterferingDose-Response Relationship, DrugEnzyme ActivationE2F1 Transcription FactorCyclin DFungal ProteinsBromodeoxyuridineProto-Oncogene ProteinsCitric Acid CycleRecombinant Fusion ProteinsHistonesAntineoplastic AgentsMice, KnockoutMice, Inbred C57BLRNA InterferenceReverse Transcriptase Polymerase Chain ReactionGene ExpressionGene Expression Regulation, NeoplasticS Phase Cell Cycle CheckpointsSchizosaccharomycesGene Expression ProfilingMicrotubule-Associated ProteinsBinding SitesCyclin-Dependent Kinase Inhibitor ProteinsCyclin D3Proliferating Cell Nuclear AntigenPhenotype