Cell CycleInterphaseCell Cycle ProteinsCell Cycle CheckpointsMitosisG1 PhaseS PhaseCell DivisionCyclinsG2 PhaseMenstrual CycleApoptosisCDC2 Protein KinaseCyclin-Dependent Kinase Inhibitor p21Cyclin-Dependent Kinase Inhibitor p27Cell ProliferationRetinoblastoma ProteinG2 Phase Cell Cycle CheckpointsCell NucleusPhosphorylationProtein-Serine-Threonine KinasesCell Line, TumorG0 PhaseTumor Suppressor Protein p53Cell LineCyclin-Dependent Kinase 2G1 Phase Cell Cycle CheckpointsDNA ReplicationNuclear ProteinsCyclin BHeLa CellsMolecular Sequence DataCyclin D1DNA-Binding ProteinsGenes, cdcDNA DamageCyclin ECyclin AFlow Cytometrycdc25 PhosphatasesCyclin-Dependent Kinase 4MutationSignal TransductionTumor Suppressor ProteinsCells, CulturedCDC2-CDC28 KinasesTranscription FactorsSpindle ApparatusMicrotubulesTime FactorsTumor Cells, CulturedCyclin B1Estrous CycleModels, BiologicalDNAE2F Transcription FactorsMetaphaseSaccharomyces cerevisiaeMicrotubule-Associated ProteinsTranscription, GeneticCentrosomeRNA, MessengerGene Expression RegulationBase SequenceSchizosaccharomycesChromosomesCell DifferentiationCell SurvivalWit and Humor as TopicCyclin DHistonesBlotting, WesternCitric Acid CycleProtein BindingSaccharomyces cerevisiae ProteinsChromatinProtein KinasesE2F1 Transcription FactorNocodazoleFibroblastsIn Situ Hybridization, FluorescenceS Phase Cell Cycle CheckpointsTransfectionMicroscopy, FluorescenceFungal ProteinsM Phase Cell Cycle CheckpointsTubulinDown-RegulationTelophaseAntineoplastic AgentsSchizosaccharomyces pombe ProteinsCyclin D3Cyclin-Dependent Kinase Inhibitor ProteinsRecombinant Fusion ProteinsRNA, Small InterferingHydroxyureaProto-Oncogene ProteinsProliferating Cell Nuclear AntigenRNA InterferenceGene Expression Regulation, Neoplastic