OccludinTight JunctionsZonula Occludens-1 ProteinVirus InternalizationAntigens, CD81Membrane ProteinsClaudin-1HepacivirusZonula Occludens-2 ProteinClaudinsClaudin-5Tight Junction ProteinsElectric ImpedanceCaco-2 CellsPhosphoproteinsMARVEL Domain Containing 2 ProteinPermeabilityBlood-Testis BarrierCell Membrane PermeabilityBlood-Retinal BarrierClaudin-3Freeze FracturingBlood-Brain BarrierJunctional Adhesion MoleculesEpithelial CellsAdherens Junctions