title: Understanding how cystic fibrosis mutations cause a loss of Cl- channel function.
abstract: Defective epithelial Cl- secretion is the hallmark of the lethal genetic disease cystic fibrosis (CF). This abnormality is caused by mutations in the cystic fibrosis transmembrane conductance regulator (CFTR), a regulated Cl- channel. Since the identification of the single gene encoding CFTR, several hundred disease-causing mutations, associated with a wide variety of clinical phenotypes, have been reported. To understand the relationship between genotype and clinical phenotype, researchers have investigated how mutations in CFTR disrupt its function. Here, we review the recent progress in understanding how CF-associated mutations in CFTR produce defective Cl- channels, and discuss the implications of this knowledge for the development of therapy for CF.
authors.affiliation: Department of Medicine, University of Edinburgh, Western General Hospital, UK. D.N.Sheppard@ed.ac.uk
authors.forename: D N
authors.initials: DN
authors.lastname: Sheppard
authors.forename: L S
authors.initials: LS
authors.lastname: Ostedgaard
mesh_terms: D002712:Chlorides / Q000378:metabolism*; D003550:Cystic Fibrosis / Q000235:genetics* / Q000378:metabolism / Q000628:therapy; D019005:Cystic Fibrosis Transmembrane Conductance Regulator / Q000235:genetics* / Q000378:metabolism*; D005838:Genotype; D006801:Humans; D008958:Models, Molecular; D009154:Mutation; D018408:Patch-Clamp Techniques
chemical_list: C505032:CFTR protein, human; D002712:Chlorides; D019005:Cystic Fibrosis Transmembrane Conductance Regulator