
Keywords: AQP5; aquaporin-5; BM; basement membrane; BPE; bovine pituitary extract; BSA; bovine serum albumin; CEA; carcinoembryonic antigen; CFTR; cystic fibrosis transmembrane conductance regulator; CJ; cell junctions; D; duct; DAPI; 4â², 6-diamidino-2-phenylindo