Cell CycleG1 PhaseCell Cycle ProteinsG2 Phase Cell Cycle CheckpointsS PhaseG1 Phase Cell Cycle CheckpointsG2 PhaseCell Cycle CheckpointsMenstrual CycleCell DivisionMitosisG0 PhaseCell ProliferationCell Line, TumorApoptosisCyclin-Dependent Kinase Inhibitor p21CyclinsCortical SynchronizationTime FactorsCyclin-Dependent Kinase Inhibitor p27Cyclin B1cdc25 PhosphatasesPhosphorylationCDC2 Protein KinaseFlow CytometryS Phase Cell Cycle CheckpointsCyclin D1Tumor Suppressor Protein p53Retinoblastoma ProteinCyclin-Dependent Kinase 2Allyl CompoundsCell LineCyclin ESignal TransductionCyclin-Dependent Kinase 4PeriodicityDNA DamageProtein-Serine-Threonine KinasesCells, CulturedModels, BiologicalTumor Cells, CulturedBiological ClocksCyclin-Dependent KinasesEstrous CycleCell SurvivalLuteal PhaseBlotting, WesternInterphaseAntineoplastic Agents, PhytogenicDNA-Binding ProteinsHeLa CellsIsothiocyanatesFollicular PhaseElectroencephalography Phase SynchronizationDose-Response Relationship, DrugDNA ReplicationCell NucleusProtein KinasesMolecular Sequence DataDNARNA, MessengerMutationAction PotentialsM Phase Cell Cycle CheckpointsNuclear ProteinsTranscription FactorsAntineoplastic AgentsRNA, Small InterferingNeuronsCircadian RhythmGene Expression RegulationModels, NeurologicalGene Expression Regulation, NeoplasticCell DifferentiationCyclin ACyclin Bbcl-2-Associated X ProteinKineticsBase SequenceGenes, cdcUp-RegulationFibroblastsTumor Suppressor ProteinsCDC2-CDC28 KinasesSaccharomyces cerevisiaeAmino Acid SequenceComputer SimulationBromodeoxyuridineTemperatureImmunohistochemistryReverse Transcriptase Polymerase Chain ReactionProgesteroneTranscription, GeneticE2F Transcription FactorsHistonesMimosineGene Expression ProfilingReaction TimePhenotypeElectromyography