Cell CycleCell Cycle ProteinsMenstrual CycleG1 PhaseCell Line, TumorApoptosisCell ProliferationS PhaseG2 PhaseCell DivisionMitosisCell LineFlow CytometryCell Cycle CheckpointsInterphaseTumor Cells, CulturedGene Expression Regulation, NeoplasticCell SurvivalRNA, MessengerSignal TransductionBlotting, WesternDNA DamageCyclinsAntineoplastic AgentsFollicular PhaseImmunohistochemistryBreast NeoplasmsCells, CulturedLuteal PhasePhosphorylationGene ExpressionTime FactorsTumor Suppressor Protein p53Reverse Transcriptase Polymerase Chain ReactionMolecular Sequence DataProtein-Serine-Threonine KinasesRetinoblastoma ProteinDown-RegulationDNA-Binding ProteinsTransfectionGene Expression ProfilingCyclin D1HeLa CellsCell NucleusDNAUp-RegulationTumor Suppressor ProteinsGene Expression RegulationCDC2 Protein KinaseDNA ReplicationModels, BiologicalMutationCell MovementNuclear ProteinsBase SequenceBromodeoxyuridineCyclin-Dependent Kinase Inhibitor p21HistonesPromoter Regions, GeneticCyclin BDrug Screening Assays, AntitumorAntineoplastic Agents, PhytogenicMicroscopy, FluorescenceNeoplasmsDose-Response Relationship, DrugTranscription FactorsCyclin-Dependent Kinase Inhibitor p27G2 Phase Cell Cycle CheckpointsCell DifferentiationMice, NudeColonic NeoplasmsRNA, Small InterferingAphidicolinKineticsDNA, NeoplasmProtein BindingHL-60 CellsAtaxia Telangiectasia Mutated ProteinsDNA RepairFibroblastsG1 Phase Cell Cycle CheckpointsLung NeoplasmsNeoplasm InvasivenessTumor Markers, BiologicalG0 PhaseEstrous CycleHydroxyureaNeoplasm ProteinsPremenstrual SyndromeOvarian NeoplasmsEnzyme InhibitorsRadiation TolerancePropidiumCyclin-Dependent Kinase 2Drug Resistance, NeoplasmSaccharomyces cerevisiaeRNA InterferenceCyclin ETranscription, GeneticDose-Response Relationship, Radiation