Cystic fibrosis (CF) is an inherited disorder of epithelial chloride transport affecting primarily pancreas, lungs, gut, liver and exocrine glands. The defect is caused by defects of the cystic fibrosis transmembrane regulation gene on chromosome 7. Genotyping has proved useful in identifying gene carriers, a definitive diagnosis, and in antenatal diagnosis. Genotype/phenotype relationships have shown that the commonest cause of pancreatic insufficiency is the D F508 mutation. Clinical trials are exploring the use of somatic gene therapy but this is not yet a viable treatment option. Liver, lung and intestinal disease result in malnutrition which causes further dysfunction of these organs. Aggressive nutritional and pancreatic enzyme therapy results in improved disease, normal growth and increased survival. However, high-dose enzyme therapy may in some individuals cause a fibrosing colonopathy. For those with end-stage liver and lung disease, transplantation holds out some hope.

Journal Section:
Paper
Keywords:
Cystic fibrosis, Genotype, Gene therapy, Nutrition, Fibrosing, Colonopathy, Transplantation
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1998
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