نتایج جستجو برای: cystic fibrosis transmembrane regulator cftr
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Cystic fibrosis, an autosomal recessive disorder caused by a mutation in a gene encoding the cystic fibrosis transmembrane conductance regulator (CFTR), remains a leading cause of childhood respiratory morbidity and mortality. The respiratory consequences of cystic fibrosis include the generation of thick, tenacious mucus that impairs lung clearance, predisposing the individual to repeated and ...
The CFTR (cystic fibrosis transmembrane conductance regulator) protein is a large polytopic protein whose biogenesis is inefficient. To better understand the regulation of CFTR processing and trafficking, we conducted a genetic screen that identified COMMD1 as a new CFTR partner. COMMD1 is a protein associated with multiple cellular pathways, including the regulation of hepatic copper excretion...
The cystic fibrosis transmembrane conductance regulator (CFTR) gene encodes a cyclic adenosine monophosphate (cAMP)-dependent chloride channel located mainly at the apical membrane of epithelial cells. In myocytes of pulmonary arteries, numerous chloride channels have been identified and described, but not the CFTR. Thus the presence and function of the CFTR was investigated in rat intrapulmona...
Cystic fibrosis (CF) is the most common autosomal recessive genetic disease, which is caused by defection in the Cystic Fibrosis Transmembrane Conductance Regulator (CFTR) gene. CFTR gene codes chloride channels to modulate the homeostasis of epithelial environments. Defective CFTR affects various organs such as the lungs, pancreas, intestine, liver and skin; however, lung impairment is the mai...
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...
Several diseases have been clinically or genetically related to cystic fibrosis (CF), but a consensus definition is lacking. Here, we present a proposal for consensus guidelines on cystic fibrosis transmembrane conductance regulator (CFTR)-related disorders (CFTR-RDs), reached after expert discussion and two dedicated workshops. A CFTR-RD may be defined as "a clinical entity associated with CFT...
Several studies have demonstrated that bone marrow (BM)-derived cells give rise to rare epithelial cells in the gastrointestinal (GI) and respiratory tracts after BM transplantation into myeloablated recipients. We investigate whether, after transplantation of cystic fibrosis transmembrane conductance regulator (CFTR)-positive BM-derived cells, BM-derived GI and airway epithelial cells can prov...
Cystic fibrosis (CF) is caused by mutations in the cystic transmembrane conductance regulator (CFTR) gene. It has been postulated that reduced HCO 3 ? transport through CFTR may lead to a decreased airway surface liquid pH. In contrast, others have reported no changes extracellular pH (pHe). We recently carcinoma Caco-2/pRS26 cells (transfected with short hairpin RNA for CFTR) or CF lung epithe...
The transmembrane water movements during cellular processes and their relationship to ionic channel activity remain largely unknown. As an example, in epithelial cells it was proposed that the movement of water could be directly linked to cystic fibrosis transmembrane conductance regulator (CFTR) protein activity through a cAMP-stimulated aqueous pore, or be dependent on aquaporin. Here, we use...
The importance of the molecule cystic fibrosis transmembrane conductance regulator (CFTR) is reflected in the many physiological functions it regulates. It is known to be present in epithelial cells of the lungs, pancreas, sweat glands, gut, and other tissues, and gene mutations of CFTR cause cystic fibrosis (CF). We studied the expression and distribution of CFTR in the human brain with revers...
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