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The most common cause of cystic fibrosis is a mutation that deletes phenylalanine 508 in cystic fibrosis transmembrane conductance regulator (CFTR). The delta F508 protein is misprocessed and degraded rather than traveling to the apical membrane. We used a novel strategy to introduce the delta F508 mutation into the mouse CFTR gene. Affected epithelia from(More)
The efficiency of adenovirus-mediated gene transfer to airway epithelia will be an important factor in determining whether recombinant adenoviruses can be developed as vectors for transferring cystic fibrosis transmembrane conductance regulator (CFTR) cDNA to patients with cystic fibrosis. Current understanding of the biology of CF lung disease suggests(More)
Complexes of DNA and cationic lipid offer potential advantages for gene transfer to airway epithelia. However, we found that application of DNA–lipid (DMRIE–DOPE) complexes to primary cultures of human ciliated airway epithelia or explants of rabbit trachea generated only low levels of gene transfer. In contrast, when we applied the DNA–lipid to immature(More)
Cystic fibrosis transmembrane conductance regulator (CFTR) containing the deltaF508 mutation is retained in the endoplasmic reticulum (ER). This defect can be partially overcome by a reduction in temperature which allows some of the deltaF508 protein to exit the ER and move to the cell surface. Earlier studies showed that the CF-associated mutants, P574H(More)
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