Cell CycleCell Cycle ProteinsMenstrual CycleCell Cycle CheckpointsMitosisEstrous CycleG1 PhaseCell DivisionTime FactorsS PhaseLuteal PhaseCyclinsFollicular PhaseApoptosisCell ProliferationModels, BiologicalCell LineMolecular Sequence DataCell Line, TumorPhosphorylationCyclin-Dependent Kinase Inhibitor p21Flow CytometryCyclin-Dependent Kinase Inhibitor p27Retinoblastoma ProteinG2 PhaseG2 Phase Cell Cycle CheckpointsRNA, MessengerPeriodicityCells, CulturedMutationNuclear ProteinsCell NucleusCitric Acid CycleGene Expression RegulationSignal TransductionCDC2 Protein KinaseG0 PhaseDNATumor Cells, CulturedG1 Phase Cell Cycle CheckpointsCell DifferentiationTumor Suppressor Protein p53Circadian RhythmCyclin-Dependent Kinase 2Protein-Serine-Threonine KinasesDNA ReplicationCyclin D1Base SequenceCyclin EGenes, cdcDNA DamageProgesteroneAmino Acid SequenceDNA-Binding ProteinsInterphaseCyclin ACyclin BGene Expression ProfilingBiological ClocksKineticsCyclin-Dependent Kinase 4FibroblastsTumor Suppressor ProteinsEndometriumImmunohistochemistryCDC2-CDC28 KinasesReverse Transcriptase Polymerase Chain ReactionTranscription Factorscdc25 PhosphatasesHeLa CellsOligonucleotide Array Sequence AnalysisDose-Response Relationship, DrugGene Expression Regulation, DevelopmentalE2F Transcription FactorsTemperatureLife Cycle StagesSaccharomyces cerevisiaeTranscription, GeneticCyclin B1PhenotypeNeuronsPhase TransitionCyclin DPregnancyCell SurvivalBromodeoxyuridineBlotting, WesternComputer SimulationE2F1 Transcription FactorSaccharomyces cerevisiae ProteinsRats, Sprague-DawleyS Phase Cell Cycle CheckpointsProtein BindingProtein KinasesAntineoplastic AgentsDown-RegulationFungal ProteinsMice, Inbred C57BLTransfectionCyclin-Dependent Kinase Inhibitor Proteins