Cell Cycle ProteinsCell CycleGerm CellsCell LineCyclin-Dependent Kinase Inhibitor p27Cyclin DCyclinsCyclin D1Cyclin-Dependent KinasesCyclin-Dependent Kinase Inhibitor p21Cyclin-Dependent Kinase 4Cyclin D2G1 PhaseRetinoblastoma ProteinCyclin B1Proliferating Cell Nuclear AntigenCell DivisionCell ProliferationCyclin BCell Line, TumorCyclin EMitosisS PhaseCyclin-Dependent Kinase 2E2F1 Transcription FactorCyclin D3Cyclin ATumor Suppressor ProteinsCDC2 Protein KinaseApoptosisCDC2-CDC28 KinasesCell Cycle CheckpointsCells, CulturedE2F Transcription FactorsTumor Suppressor Protein p53Ki-67 AntigenPhosphorylationMicrotubule-Associated ProteinsGene Expression RegulationProtein-Serine-Threonine KinasesDNA-Binding ProteinsCyclin-Dependent Kinase Inhibitor p16Flow CytometryImmunohistochemistrySignal TransductionBlotting, WesternCell DifferentiationTranscription FactorsRNA, MessengerDNACell SurvivalProto-Oncogene ProteinsTime FactorsMutationDown-RegulationEnzyme InhibitorsMolecular Sequence DataG2 PhaseMenstrual CycleNeuronsNuclear ProteinsRats, Sprague-DawleyTumor Cells, Culturedcis-trans-IsomerasesCell Line, TransformedG2 Phase Cell Cycle CheckpointsMice, KnockoutAmino Acid SequenceTransfectionG0 PhaseG1 Phase Cell Cycle CheckpointsProtein BindingGene ExpressionCarrier ProteinsDNA ReplicationDNA DamageBase SequenceGenes, cdcInterphaseCell NucleusTranscription, GeneticHeLa CellsModels, Biologicalcdc25 PhosphatasesAntineoplastic AgentsEstrous CycleGene Expression Regulation, NeoplasticSaccharomyces cerevisiaePromoter Regions, GeneticFibroblastsBromodeoxyuridineCitric Acid CycleReverse Transcriptase Polymerase Chain ReactionGene Expression ProfilingRNA, Small InterferingHerpesvirus 4, HumanProtein KinasesSaccharomyces cerevisiae ProteinsPhenotypeS Phase Cell Cycle Checkpoints