Figure 3From: Pseudomonas aeruginosa elastase causes transient disruption of tight junctions and downregulation of PAR-2 in human nasal epithelial cellsImmunocytochemical and transmission electron microscopic findings. (A) Immunocytochemical staining of occludin and claudin-1 and (B) Freeze-Fracture replicas in hTERT-transfected HNECs after treatment with 0.1 U Pseudomonas aeruginosa elastase. Bars: A=20 μm, B=500 μm.Back to article page