Cell CycleCell ProliferationCell NucleusCell Cycle ProteinsCell Cycle CheckpointsG1 PhaseMitosisActive Transport, Cell NucleusS PhaseCell DivisionCyclinsNuclear ProteinsCell LineMolecular Sequence DataNucleus AccumbensHeLa CellsApoptosisCytoplasmTime FactorsG2 PhaseMenstrual CycleDNA-Binding ProteinsDNADNA ReplicationInterphaseCell Line, TumorThalamic NucleiCell Nucleus ShapeSolitary NucleusRNA, MessengerCyclin-Dependent Kinase Inhibitor p21Cells, CulturedAmino Acid SequenceCyclin-Dependent Kinase Inhibitor p27Transcription, GeneticTranscription FactorsRetinoblastoma ProteinChromatinSignal TransductionG2 Phase Cell Cycle CheckpointsTumor Suppressor Protein p53MutationBase SequenceModels, BiologicalProtein-Serine-Threonine KinasesCochlear NucleusDNA DamagePhosphorylationMicroscopy, FluorescenceNuclear Transfer TechniquesCDC2 Protein KinaseGene Expression RegulationG0 PhaseRaphe NucleiFlow CytometryNuclear EnvelopeImmunohistochemistryG1 Phase Cell Cycle CheckpointsCyclin-Dependent Kinase 2Protein BindingCerebellar NucleiSeptal NucleiTumor Cells, CulturedCaudate NucleusCyclin D1Blotting, WesternArcuate NucleusHistonesTumor Suppressor ProteinsParaventricular Hypothalamic NucleusCyclin ENeuronsCell DifferentiationGenes, cdcTransfectionSaccharomyces cerevisiaeFibroblastsCyclin BRecombinant Fusion ProteinsCyclin ACloning, OrganismCell SurvivalCell Nucleus SizeCell NucleolusKineticsCyclin-Dependent Kinase 4MicroinjectionsBromodeoxyuridineFluorescent Antibody TechniqueSaccharomyces cerevisiae ProteinsCDC2-CDC28 KinasesRats, Sprague-DawleyEstrous CycleSuprachiasmatic NucleusRed NucleusMicroscopy, Confocalcdc25 PhosphatasesGreen Fluorescent ProteinsGene ExpressionTrigeminal Nuclei