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 KinasesApoptosisCell Cycle CheckpointsE2F Transcription FactorsCells, CulturedKi-67 AntigenTumor Suppressor Protein p53Microtubule-Associated ProteinsPhosphorylationCell Line, TumorProtein-Serine-Threonine KinasesCyclin-Dependent Kinase Inhibitor p16Gene Expression RegulationDNA-Binding ProteinsImmunohistochemistryFlow CytometrySignal TransductionBlotting, WesternTranscription FactorsCell DifferentiationDNAProto-Oncogene ProteinsTime FactorsCell SurvivalDown-RegulationEnzyme InhibitorsRNA, MessengerMutationMenstrual CycleG2 PhaseNeuronscis-trans-IsomerasesRats, Sprague-DawleyMolecular Sequence DataCell LineG2 Phase Cell Cycle CheckpointsNuclear ProteinsMice, KnockoutG0 PhaseG1 Phase Cell Cycle CheckpointsTumor Cells, CulturedAmino Acid SequenceDNA ReplicationProtein BindingGenes, cdcDNA DamageCarrier ProteinsInterphaseTransfectionGene ExpressionEstrous Cyclecdc25 PhosphatasesCell NucleusHeLa CellsSaccharomyces cerevisiaeModels, BiologicalTranscription, GeneticCitric Acid CycleBase SequenceBromodeoxyuridineSaccharomyces cerevisiae ProteinsS Phase Cell Cycle CheckpointsProtein KinasesCyclin-Dependent Kinase Inhibitor ProteinsFibroblastsAntineoplastic AgentsFungal ProteinsSchizosaccharomycesHistonesHerpesvirus 4, HumanM Phase Cell Cycle CheckpointsGene Expression Regulation, NeoplasticGene Expression ProfilingHydroxyurea