نتایج جستجو برای: ژن cftr
تعداد نتایج: 21533 فیلتر نتایج به سال:
The mechanism underlying pulmonary inflammation in thermal inhalation injury remains elusive. Cystic fibrosis, also hallmarked with pulmonary inflammation, is caused by mutations in CFTR, the expression of which is temperature-sensitive. We investigated whether CFTR is involved in heat-induced pulmonary inflammation. We applied heat-treatment in 16HBE14o- cells with CFTR knockdown or overexpres...
Chlamydia trachomatis is an obligate intracellular Gram-negative pathogen affecting over 600 million people worldwide with 92 million new cases occurring globally each year. C. trachomatis enter the cells and replicate to infect different tissues/organs, giving rise to a spectrum of pathological conditions; however, the exact mechanism or receptor(s) for their entry is not well understood. Here...
Cystic fibrosis (CF) is a life-shortening disease caused by the mutations that generate nonfunctional CF transmembrane conductance regulator (CFTR) protein. A rare serine-to-tyrosine (S1045Y) CFTR mutation was earlier reported to result in CF-associated fatality. We identified an African-American patient with the S1045Y mutation in CFTR, as well as a stop-codon mutation, who has a mild CF pheno...
introduction: cystic fibrosis (cf) is a common genetic disorder in white populations with an autosomal recessive pattern, caused by mutations in the cftr gene. the frequency of more than 1950 various mutations reported in the cftr gene significantly varies in different populations. ∆f508 is a common mutation in exon 10, which is first addressed in the molecular analysis of the disease. other ex...
Traditional pulmonary therapies for cystic fibrosis (CF) target the downstream effects of CF transmembrane conductance regulator (CFTR) dysfunction (the cause of CF). Use of one such therapy, β-adrenergic bronchodilators (such as albuterol), is nearly universal for airway clearance. Conversely, novel modulator therapies restore function to select mutant CFTR proteins, offering a disease-modifyi...
Cystic fibrosis transmembrane conductance regulator (CFTR) is a cAMP-dependent chloride channel in epithelial cells; recently, we identified it in mast cells. Previous work that we confirmed showed that interferon gamma (IFNgamma) down-regulated CFTR expression in epithelial cells (T84), but by contrast, we found that IFNgamma up-regulated CFTR mRNA and protein expression in rat and human mast ...
We asked whether inclusion of the FLAG epitope in the fourth extracellular loop of the cystic fibrosis transmembrane conductance regulator (M2-901/CFTR), which permits detection of cell surface expression, affected CFTR's biophysical properties or channel regulation by kinases, phosphatases, and nucleotides. Channel activity of M2-901/CFTR was evaluated in numerous cell types and expression sys...
Previous studies have indicated a role of the actin cytoskeleton in the regulation of the cystic fibrosis transmembrane conductance regulator (CFTR) ion channel. However, the exact molecular nature of this regulation is still largely unknown. In this report human epithelial CFTR was expressed in human melanoma cells genetically devoid of the filamin homologue actin-cross-linking protein ABP-280...
The role of the cystic fibrosis transmembrane conductance regulator (CFTR) as a cAMP-dependent chloride channel on the apical membrane of epithelia is well established. However, the processes by which CFTR is regulated on the cell surface are not clear. Here we report the identification of a protein-protein interaction between CFTR and the cytoskeletal filamin proteins. Using proteomic approach...
Studies have shown that expression of cystic fibrosis transmembrane conductance regulator (CFTR) is associated with enhanced glutathione (GSH) efflux from airway epithelial cells, implicating a role for CFTR in the control of oxidative stress in the airways. To define the mechanism underlying CFTR-associated GSH flux, we studied wild-type and mutant CFTR proteins expressed in Sf9 membranes, as ...
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