Cell CycleCell Cycle ProteinsCell Cycle CheckpointsG1 PhaseMitosisS PhaseCyclinsCell DivisionG2 PhaseMenstrual CycleMolecular Sequence DataApoptosisCyclin-Dependent Kinase Inhibitor p21Cyclin-Dependent Kinase Inhibitor p27Cell ProliferationRetinoblastoma ProteinG2 Phase Cell Cycle CheckpointsEukaryotic CellsCDC2 Protein KinaseSaccharomyces cerevisiaeDNA ReplicationAmino Acid SequenceG0 PhaseProtein-Serine-Threonine KinasesCell Line, TumorPhosphorylationDNA-Binding ProteinsTumor Suppressor Protein p53G1 Phase Cell Cycle CheckpointsCyclin-Dependent Kinase 2DNA DamageCyclin D1Cell LineMutationNuclear ProteinsSaccharomyces cerevisiae ProteinsGenes, cdcCyclin EBase SequenceCell NucleusInterphaseCyclin ACyclin BSignal TransductionTranscription FactorsFlow CytometryCyclin-Dependent Kinase 4Models, BiologicalHeLa CellsTranscription, GeneticTumor Suppressor ProteinsEukaryotaRNA, MessengerCDC2-CDC28 KinasesDNAcdc25 PhosphatasesGene Expression RegulationCells, CulturedTime FactorsEstrous CycleSchizosaccharomycesTumor Cells, CulturedE2F Transcription FactorsFungal ProteinsProtein BindingCyclin B1Sequence Homology, Amino AcidCell DifferentiationBlotting, WesternCyclin DProtein KinasesHistonesCell SurvivalCitric Acid CycleE2F1 Transcription FactorBromodeoxyuridinePhylogenyS Phase Cell Cycle CheckpointsTransfectionDown-RegulationSchizosaccharomyces pombe ProteinsFibroblastsProliferating Cell Nuclear AntigenPromoter Regions, GeneticGene Expression ProfilingMicrotubule-Associated ProteinsCyclin D3Sequence AlignmentRNA, Small InterferingRNA InterferenceCyclin-Dependent Kinase Inhibitor ProteinsCarrier ProteinsAntineoplastic AgentsDNA RepairGene Expression Regulation, FungalEvolution, MolecularRecombinant Fusion ProteinsProtein Structure, TertiaryHydroxyureaM Phase Cell Cycle Checkpoints