Geniculate BodiesCell CycleCell NucleusCell Cycle ProteinsCell Cycle CheckpointsMenstrual CycleG1 PhaseMitosisS PhaseCell DivisionCyclinsNucleus AccumbensApoptosisEstrous CycleCell ProliferationCyclin-Dependent Kinase Inhibitor p21Cyclin-Dependent Kinase Inhibitor p27G2 PhaseMolecular Sequence DataRetinoblastoma ProteinG2 Phase Cell Cycle CheckpointsCell LineNuclear ProteinsThalamic NucleiCell Line, TumorCitric Acid CycleDNA-Binding ProteinsSolitary NucleusCDC2 Protein KinaseActive Transport, Cell NucleusDNA ReplicationG0 PhaseTime FactorsTumor Suppressor Protein p53InterphaseProtein-Serine-Threonine KinasesG1 Phase Cell Cycle CheckpointsSignal TransductionCyclin-Dependent Kinase 2RNA, MessengerHeLa CellsCyclin D1DNA DamageMutationTranscription FactorsCochlear NucleusPhosphorylationCells, CulturedCyclin EAmino Acid SequenceGenes, cdcTranscription, GeneticFlow CytometryModels, BiologicalRaphe NucleiCyclin BCyclin ACytoplasmGene Expression RegulationDNABase SequenceTumor Suppressor ProteinsCyclin-Dependent Kinase 4Cerebellar NucleiSeptal NucleiArcuate NucleusTumor Cells, CulturedCaudate NucleusSaccharomyces cerevisiaeParaventricular Hypothalamic NucleusCDC2-CDC28 Kinasescdc25 PhosphatasesBlotting, WesternProtein BindingCell DifferentiationNeuronsE2F Transcription FactorsSaccharomyces cerevisiae ProteinsLife Cycle StagesCyclin B1Cell SurvivalBromodeoxyuridineTransfectionImmunohistochemistrySuprachiasmatic NucleusHistonesCyclin DRed NucleusTrigeminal NucleiFibroblastsKineticsMicroscopy, FluorescenceFungal ProteinsE2F1 Transcription FactorProtein KinasesRecombinant Fusion ProteinsSubthalamic NucleusChromatinSupraoptic NucleusDown-Regulation