Cell Cycle ProteinsCell CycleCyclin-Dependent Kinase Inhibitor p27Cyclin DCyclinsCyclin D1Cyclin-Dependent KinasesCyclin-Dependent Kinase 4Cyclin-Dependent Kinase Inhibitor p21Cyclin D2G1 PhaseRetinoblastoma ProteinCyclin B1Proliferating Cell Nuclear AntigenCell DivisionCyclin BCell ProliferationCyclin EMitosisS PhaseE2F1 Transcription FactorCyclin-Dependent Kinase 2Cyclin D3Cyclin ACDC2 Protein KinaseTumor Suppressor ProteinsCDC2-CDC28 KinasesApoptosisCells, CulturedCell Cycle CheckpointsE2F Transcription FactorsTumor Suppressor Protein p53Ki-67 AntigenMicrotubule-Associated ProteinsPhosphorylationCell Line, TumorDNA-Binding ProteinsGene Expression RegulationProtein-Serine-Threonine KinasesCyclin-Dependent Kinase Inhibitor p16Transcription FactorsMolecular Sequence DataSignal TransductionImmunohistochemistryFlow CytometryDNABlotting, WesternProtein BindingProto-Oncogene ProteinsCell DifferentiationMutationTime FactorsRNA, MessengerCell SurvivalDown-RegulationEnzyme InhibitorsCell LineAmino Acid SequenceMenstrual CycleG2 PhaseNuclear ProteinsNeuronsRats, Sprague-Dawleycis-trans-IsomerasesG2 Phase Cell Cycle CheckpointsCarrier ProteinsMice, KnockoutTumor Cells, CulturedBase SequenceG0 PhaseTransfectionG1 Phase Cell Cycle CheckpointsDNA ReplicationBinding SitesDNA DamageHeLa CellsGenes, cdcCell NucleusGene ExpressionInterphaseSaccharomyces cerevisiaeModels, Biologicalcdc25 PhosphatasesEstrous CycleSaccharomyces cerevisiae ProteinsPromoter Regions, GeneticKineticsRecombinant Fusion ProteinsProtein Structure, TertiaryTranscription, GeneticCitric Acid CycleFungal ProteinsBromodeoxyuridineProtein KinasesFibroblastsSequence Homology, Amino AcidHistonesS Phase Cell Cycle CheckpointsRecombinant ProteinsSchizosaccharomyces