Base Sequence Benzoic Acids CFDE CFTR CFTR(inh)-172 Cell Line Cystic Fibrosis Cystic Fibrosis Transmembrane Conductance Regulator Cystic fibrosis Down-Regulation Gene Expression Glibenclamide Glyburide Humans In Situ Hybridization Lung MT-ND4 Mitochondria Mitochondrial expressed genes Molecular Sequence Data NADH Dehydrogenase Thiazolidines article controlled study cystic fibrosis glibenclamide histopathology human human cell human tissue