Cell CycleCell Cycle ProteinsCheckpoint Kinase 2S PhaseG1 PhaseMitosisCell Cycle CheckpointsDisease ProgressionApoptosisG2 PhaseProtein-Serine-Threonine KinasesDNA DamageGenes, cdcCell DivisionCyclinsCell Line, TumorCell ProliferationM Phase Cell Cycle CheckpointsPhosphorylationSignal TransductionRetinoblastoma ProteinTumor Suppressor Protein p53Cyclin-Dependent Kinase Inhibitor p21G2 Phase Cell Cycle CheckpointsCyclin-Dependent KinasesCyclin-Dependent Kinase Inhibitor p27Nuclear ProteinsDNA-Binding ProteinsCyclin-Dependent Kinase 2Protein KinasesCDC2 Protein KinaseCell LineCyclin D1DNA ReplicationTumor Suppressor ProteinsCyclin BSpindle ApparatusMutationCyclin EFlow CytometryCell Survivalcdc25 PhosphatasesCells, CulturedTumor Cells, CulturedCyclin AHeLa CellsMolecular Sequence DataE2F Transcription FactorsBlotting, WesternSaccharomyces cerevisiae ProteinsCDC2-CDC28 KinasesE2F1 Transcription FactorCaspasesCyclin B1Cyclin-Dependent Kinase 4Ataxia Telangiectasia Mutated ProteinsRNA, Small InterferingTranscription FactorsS Phase Cell Cycle CheckpointsApoptosis Regulatory ProteinsG0 PhaseSaccharomyces cerevisiaeProto-Oncogene Proteins c-bcl-2Caspase 3Time FactorsHydroxyureaCell NucleusModels, BiologicalTransfectionDown-RegulationProto-Oncogene ProteinsRNA, MessengerEnzyme ActivationSchizosaccharomycesGene Expression RegulationG1 Phase Cell Cycle CheckpointsProtein BindingGene Expression Regulation, NeoplasticAntineoplastic AgentsNocodazoleKinetochoresAmino Acid SequenceSchizosaccharomyces pombe ProteinsInhibitor of Apoptosis ProteinsEnzyme InhibitorsCarrier ProteinsRNA InterferenceFibroblastsDNA RepairCyclin DDNABase SequenceTranscription, GeneticFungal ProteinsUbiquitin-Protein Ligase ComplexesInterphaseIntracellular Signaling Peptides and ProteinsMicrotubule-Associated ProteinsAnaphase-Promoting Complex-CyclosomeTranscription Factor DP1