SEARCH Articles Figures Tables Cystic Cystic fibrosis Cystic fibrosis conductance regulator Cystic fibrosis transmembrane Cystic fibrosis transmembrane conductance Cystic fibrosis transmembrane conductance regulator , activation Cystic fibrosis transmembrane conductance regulator CFTR) gene Cystic fibrosis transmembrane conductance regulator CFTR) protein Cystic fibrosis transmembrane conductance regulator gene Cystic fibrosis transmembrane regulator Cystic transmembrane conductance regulator Transmembrane Transmembrane conductance