Cystic fibrosis transmembrane conductance regulator (CFTR) gene mutations in allergic bronchopulmonary aspergillosis
Journal Article
·
· American Journal of Human Genetics
OSTI ID:443734
- John Hopkins Univ. School of Medicine, Baltimore, MD (United States); and others
The etiology of allergic bronchopulmonary aspergillosis (ABPA) is not well understood. A clinical phenotype resembling the pulmonary disease seen in cystic fibrosis (CF) patients can occur in some individuals with ABPA. Reports of familial occurrence of ABPA and increased incidence in CF patients suggest a possible genetic basis for the disease. To test this possibility, the entire coding region of the cystic fibrosis transmembrane regulator (CFTR) gene was analyzed in 11 individuals who met strict criteria for the diagnosis of ABPA and had normal sweat electrolytes ({le}40 mmol/liter). One patient carried two CF mutations ({Delta}F508/R347H), and five were found to carry one CF mutation (four {Delta}F508; one R117H). The frequency of the {Delta}F508 mutation in patients with ABPA was significantly higher than in 53 Caucasian patients with chronic bronchitis (P < .0003) and the general population (P < .003). These results suggest that CFTR plays an etiologic role in a subset of ABPA patients. 54 refs., 2 tabs.
- OSTI ID:
- 443734
- Journal Information:
- American Journal of Human Genetics, Journal Name: American Journal of Human Genetics Journal Issue: 1 Vol. 59; ISSN 0002-9297; ISSN AJHGAG
- Country of Publication:
- United States
- Language:
- English
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