Cell CycleCell Cycle ProteinsApoptosisCell Cycle CheckpointsG1 PhaseCell ProliferationCell DivisionG2 PhaseCell Line, TumorFlow CytometryS PhaseG2 Phase Cell Cycle CheckpointsG0 PhaseMitosisCyclinsCyclin-Dependent Kinase Inhibitor p21Tumor Cells, CulturedCell SurvivalG1 Phase Cell Cycle CheckpointsAntineoplastic AgentsTumor Suppressor Protein p53Cyclin-Dependent Kinase Inhibitor p27Retinoblastoma ProteinCell LineCells, CulturedBlotting, WesternCyclin D1Drug Screening Assays, AntitumorSignal TransductionCyclin EMegaloblastsDose-Response Relationship, DrugInterphasePhosphorylationCyclin ACyclin-Dependent Kinase 2M Phase Cell Cycle CheckpointsProtein-Serine-Threonine KinasesProto-Oncogene Proteins c-bcl-2Cyclin B1Gene Expression Regulation, NeoplasticCyclin BRNA, MessengerBromodeoxyuridineDNA DamageCyclin-Dependent Kinase 4DNADown-RegulationDNA FragmentationCaspase 3HL-60 CellsRNA, Small InterferingDNA-Binding ProteinsAntineoplastic Agents, PhytogenicTime FactorsMenstrual CycleHT29 CellsTransfectionMice, NudePlant ExtractsTumor Suppressor ProteinsDNA ReplicationRadiation ToleranceHCT116 CellsCell NucleusDrug SynergismHeLa CellsMolecular Sequence DataInhibitory Concentration 50Nuclear ProteinsDrug Resistance, NeoplasmRadiation-Sensitizing AgentsProto-Oncogene ProteinsMutationCell DifferentiationCaspasesReverse Transcriptase Polymerase Chain ReactionFibroblastsGrowth InhibitorsTranscription FactorsCaspase 7PloidiesEnzyme InhibitorsMembrane Potential, MitochondrialCyclin-Dependent KinasesRNA InterferenceXenograft Model Antitumor AssaysModels, BiologicalHistonesCell DeathCDC2 Protein KinaseTubulinGene Expression RegulationBreast NeoplasmsPoly(ADP-ribose) PolymerasesCell Growth ProcessesGamma RaysColonic NeoplasmsDNA, NeoplasmTranscription, Genetic