Abstract
Cystic fibrosis (CF) is a lethal autosomal recessive disease with clinical manifestationsthat compromise the digestive, reproductive and mainly the respiratory system. It is caused bymutations in the CFTR gene encoding Cl- channel in the apical membrane of epithelial cells. It was described about 2000 mutations in CFTR and the F508del is the most frequent mutation (about 90% of patients).…