Cell CycleNeuronsCell Cycle ProteinsNeurons, AfferentMotor NeuronsCell Cycle CheckpointsG1 PhaseSpheroids, CellularCell DivisionMitosisCells, CulturedS PhaseMolecular Sequence DataApoptosisSignal TransductionCyclinsAction PotentialsModels, BiologicalTime FactorsVolvoxCell ProliferationMutationMenstrual CycleG2 PhaseCell DifferentiationDopaminergic NeuronsAmino Acid SequenceCell SurvivalCell LineCell Line, TumorTranscription FactorsCyclin-Dependent Kinase Inhibitor p27PhosphorylationCyclin-Dependent Kinase Inhibitor p21RNA, MessengerDictyosteliumRetinoblastoma ProteinImmunohistochemistryGene Expression RegulationG2 Phase Cell Cycle CheckpointsGene Expression Regulation, DevelopmentalDNA-Binding ProteinsElectrophysiologyProtein-Serine-Threonine KinasesPatch-Clamp TechniquesNerve Tissue ProteinsBase SequenceGABAergic NeuronsNuclear ProteinsHippocampusCDC2 Protein KinaseMyxococcus xanthusG0 PhaseCaenorhabditis elegansTumor Suppressor Protein p53DNA ReplicationPhenotypeFlow CytometryTumor Cells, CulturedSynapsesCell NucleusDNA DamageG1 Phase Cell Cycle CheckpointsAxonsGanglia, SpinalCyclin-Dependent Kinase 2Membrane PotentialsElectric StimulationGreen Fluorescent ProteinsCyclin D1Synaptic TransmissionMorphogenesisTranscription, GeneticCerebral CortexDendritesSensory Receptor CellsDrosophila ProteinsCyclin EBlotting, WesternTumor Suppressor ProteinsAnimals, NewbornOlfactory Receptor NeuronsCell CountSaccharomyces cerevisiaeSpinal CordGenes, cdcCyclin ADose-Response Relationship, DrugInterphaseCholinergic NeuronsMice, Inbred C57BLgamma-Aminobutyric AcidCyclin BMicroscopy, FluorescenceCyclin-Dependent Kinase 4Mice, TransgenicGene ExpressionHeLa CellsBromodeoxyuridineNeural Inhibition