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