Cell CycleMitosisCell Cycle ProteinsPhysarumGap JunctionsBlastodermIntercellular JunctionsTight JunctionsForssman AntigenTrilliumCell DivisionCyclinsCdh1 ProteinsCyclin AS PhaseCell Cycle CheckpointsMenstrual CycleInterphaseAdherens JunctionsNeuromuscular JunctionDNA ReplicationG1 PhaseThymidineCDC2 Protein KinaseCyclin BCell NucleusZygoteMolecular Sequence DataDrosophila ProteinsMutationTime FactorsDrosophilaDrosophila melanogasterDNAMeiosisBase SequenceCell DifferentiationEmbryo, NonmammalianGene Expression Regulation, DevelopmentalTranscription, GeneticEstrous CycleApoptosisCell ProliferationCyclin-Dependent Kinase Inhibitor p21Cyclin-Dependent Kinase Inhibitor p27Retinoblastoma ProteinG2 PhaseG2 Phase Cell Cycle CheckpointsCell LineMicroscopy, ElectronCitric Acid CycleConnexinsPhosphorylationTritiumCell Line, TumorG0 PhaseTumor Suppressor Protein p53Protein-Serine-Threonine KinasesG1 Phase Cell Cycle CheckpointsCells, CulturedDNA-Binding ProteinsConnexin 43Cyclin-Dependent Kinase 2Signal TransductionCyclin D1Models, BiologicalDNA DamageCyclin EAmino Acid SequenceGenes, cdcRNA, MessengerNuclear ProteinsFlow CytometryZonula Occludens-1 ProteinHeLa CellsCyclin-Dependent Kinase 4Tumor Suppressor ProteinsTranscription FactorsEsophagogastric JunctionGene Expression RegulationTumor Cells, CulturedOccludinCDC2-CDC28 KinasesBlotting, Westerncdc25 PhosphatasesSaccharomyces cerevisiaeProtein BindingLife Cycle StagesE2F Transcription FactorsMembrane ProteinsTight Junction ProteinsHolliday Junction ResolvasesCyclin B1TransfectionCell SurvivalSaccharomyces cerevisiae ProteinsBromodeoxyuridineFreeze FracturingCyclin DEpithelial Cells