Silke Hedtfeld

Learn More
BACKGROUND The cystic fibrosis (CF) basic defect, caused by dysfunction of the apical chloride channel CFTR in the gastrointestinal and respiratory tract epithelia, has not been employed so far to support the role of CF modifier genes. METHODS Patients were selected from 101 families with a total of 171 F508del-CFTR homozygous CF patients to identify CF(More)
BACKGROUND F508del-CFTR, the most frequent disease-causing mutation among Caucasian cystic fibrosis (CF) patients, has been characterised as a mutant defective in protein folding, processing and trafficking. We have investigated the two neighbouring cytokeratin genes KRT8 and KRT18 in a candidate gene approach to ask whether variants in KRT8 and/or KRT18(More)
The three-base-pair deletion c.1521_1523delCTT (p.Phe508del, F508del) in the cystic fibrosis transmembrane conductance regulator (CFTR) is the most frequent disease-causing lesion in cystic fibrosis (CF). The CFTR gene encodes a chloride and bicarbonate channel at the apical membrane of epithelial cells. Altered ion transport of CFTR-expressing epithelia(More)
The manifestation of the monogenic disease cystic fibrosis results from the cystic fibrosis transmembrane conductance regulator (CFTR)-mediated basic defect defined as an altered chloride transport. An association study using contrasting endophenotypes was conducted with 17 markers to allow fine-mapping of a previously reported association signal within the(More)
Chronic airway infections determine most morbidity in people with cystic fibrosis (CF). Herein, we present unbiased quantitative data about the frequency and abundance of DNA viruses, archaea, bacteria, moulds and fungi in CF lower airways. Induced sputa were collected on several occasions from children, adolescents and adults with CF. Deep sputum(More)
  • 1