Cell CycleCell Cycle ProteinsApoptosisMenstrual CycleCell Cycle CheckpointsTime FactorsCell DivisionMitosisG1 PhaseCell Line, TumorEstrous CycleS PhaseCell ProliferationLuteal PhaseCell LineCyclinsFlow CytometryCells, CulturedModels, BiologicalSignal TransductionFollicular PhaseCaspasesPhosphorylationTumor Cells, CulturedG2 PhaseTumor Suppressor Protein p53Caspase 3RNA, MessengerMolecular Sequence DataCell NucleusCyclin-Dependent Kinase Inhibitor p21Gene Expression RegulationNuclear ProteinsMutationCyclin-Dependent Kinase Inhibitor p27Retinoblastoma ProteinG2 Phase Cell Cycle CheckpointsDNAPeriodicityCell SurvivalProto-Oncogene Proteins c-bcl-2Cell DifferentiationDNA FragmentationDNA DamageProtein-Serine-Threonine KinasesG0 PhaseIn Situ Nick-End LabelingImmunohistochemistryCDC2 Protein KinaseG1 Phase Cell Cycle CheckpointsBase SequenceFibroblastsAmino Acid SequenceReverse Transcriptase Polymerase Chain ReactionDNA-Binding ProteinsCyclin-Dependent Kinase 2Dose-Response Relationship, DrugCyclin D1bcl-2-Associated X ProteinCircadian RhythmGene Expression ProfilingBlotting, WesternHeLa CellsDNA ReplicationCyclin ETumor Suppressor ProteinsGenes, cdcNeuronsKineticsCyclin ABiological ClocksMice, Inbred C57BLInterphaseCyclin BTranscription FactorsProto-Oncogene ProteinsCyclin-Dependent Kinase 4Oligonucleotide Array Sequence AnalysisProgesteroneRats, Sprague-DawleyAntineoplastic AgentsGene Expression Regulation, DevelopmentalEnzyme ActivationEndometriumPhenotypeCDC2-CDC28 KinasesTransfectionDown-RegulationCell DeathE2F Transcription FactorsMitochondriaEnzyme InhibitorsPhase Transitioncdc25 PhosphatasesTranscription, GeneticTemperatureAntigens, CD95RNA, Small InterferingProtein BindingE2F1 Transcription Factor