Intercellular JunctionsAdherens JunctionsCell CycleCadherinsTight JunctionsGap JunctionsCell Cycle ProteinsNeuromuscular JunctionZonula Occludens-1 ProteinFreeze FracturingOccludinCell Cycle CheckpointsConnexinsDesmosomesEpithelial CellsMembrane ProteinsSertoli CellsConnexin 43Microscopy, ElectronG1 PhaseCell LineMolecular Sequence DataCell CommunicationEsophagogastric JunctionSeminiferous EpitheliumCells, CulturedMitosisS PhaseBase SequenceCell DivisionCell AdhesionTight Junction Proteinsalpha CateninHolliday Junction ResolvasesCyclinsDesmoplakinsPhosphorylationModels, BiologicalSignal TransductionCateninsJunctional Adhesion MoleculesMutationMicroscopy, FluorescenceCell ProliferationAmino Acid SequenceEpitheliumMenstrual CycleActinsG2 PhasePhosphoproteinsbeta CateninAntispermatogenic AgentsCell PolarityCytoskeletal ProteinsCell Line, TumorMicroscopy, ConfocalRNA, MessengerApoptosisTime FactorsBlood-Testis BarrierGuanylate KinaseProtein BindingCytoskeletonCyclin-Dependent Kinase Inhibitor p21Cyclin-Dependent Kinase Inhibitor p27Cell Adhesion MoleculesDogsImmunohistochemistryRetinoblastoma ProteinG2 Phase Cell Cycle CheckpointsBlotting, WesternSpermatogenesisCell MembraneCell DifferentiationContraceptive Agents, MaleCapillary PermeabilityElectric ImpedanceNucleoside-Phosphate KinaseDNA-Binding Proteinsgamma CateninDNA ReplicationDNA, CruciformFluorescent Antibody TechniqueDNATransfectionProtein-Serine-Threonine KinasesCDC2 Protein KinaseClaudin-1G0 PhaseTumor Suppressor Protein p53Cell Membrane PermeabilityG1 Phase Cell Cycle CheckpointsEndothelial CellsCyclin-Dependent Kinase 2Protein TransportMicroscopy, Electron, TransmissionCyclin D1DNA DamageHeLa CellsDrosophila Proteins