نتایج جستجو برای: ژن cftr
تعداد نتایج: 21533 فیلتر نتایج به سال:
The CFTR gene displays a tightly regulated tissue-specific and temporal expression. Mutations in this gene cause cystic fibrosis (CF). In this study we wanted to identify trans-regulatory elements responsible for CFTR differential expression in fetal and adult lung, and to determine the importance of inhibitory motifs in the CFTR-3'UTR with the aim of developing new tools for the correction of ...
The role of the cystic fibrosis transmembrane conductance regulator (CFTR) in cAMP-stimulated HCO3- secretion across the murine duodenum was investigated. Serosal-to-mucosal flux of HCO3- (Js-->m, in mu eq.cm-2.h-1) and short-circuit current (Isc; in mu eq.cm-2.h-1) were measured by the pH stat method in duodenum from CFTR knockout [CFTR(-)] and normal [CFTR(+)] mice. Under control conditions, ...
The cystic fibrosis transmembrane conductance regulator protein (CFTR) is a chloride channel highly expressed in the gills of Salmo salar, with a role in osmoregulation. It shares 60% identity with the human CFTR channel, mutations to which can cause the common genetic disorder cystic fibrosis CF. The expression and localisation of salmon CFTR have been investigated, but the isolated protein ha...
The cystic fibrosis transmembrane conductance regulator (CFTR) has been known for the past 11 years to be a membrane glycoprotein with chloride channel activity. Only recently has the glycosylation of CFTR been examined in detail, by O'Riordan et al in Glycobiology. Using cells that overexpress wild-type (wt)CFTR, the presence of polylactosamine was noted on the fully glycosylated form of CFTR....
Autosomal dominant polycystic kidney disease (ADPKD) is characterized by the development of bilateral renal cysts which enlarge continuously, leading to compression adjacent intact nephrons. The growing lead a progressive decline in function. Cyst growth driven enhanced cell proliferation and chloride secretion into cyst lumen. Chloride believed occur mainly cAMP-activated cystic fibrosis trans...
Cystic fibrosis is caused by mutations in the cystic fibrosis transmembrane conductance regulator (CFTR) gene, which belongs to the superfamily of ATP-binding cassette transporters and uniquely possesses an additional large cytoplasmic domain [regulatory (R) domain]. CFTR inefficiently folds by means of co- and post-translational interactions with the cytosolic chaperones as well as luminal cha...
CFTR is a dynamically regulated anion channel. Intracellular WNK1-SPAK activation causes CFTR to change permeability and conductance characteristics from a chloride-preferring to bicarbonate-preferring channel through unknown mechanisms. Two severe CFTR mutations (CFTRsev) cause complete loss of CFTR function and result in cystic fibrosis (CF), a severe genetic disorder affecting sweat glands, ...
When excised inside-out membrane patches are bathed in symmetrical Cl--rich solutions, the current-voltage (I-V) relationship of macroscopic cystic fibrosis transmembrane conductance regulator (CFTR) Cl- currents inwardly rectifies at large positive voltages. To investigate the mechanism of inward rectification, we studied CFTR Cl- channels in excised inside-out membrane patches from cells expr...
Cystic fibrosis transmembrane conductance regulator (CFTR) is classified as an anion channel transporter of Cl- and HCO3-. Through interactions with its PDZ domain, CFTR is capable of regulating other proteins, such as protein phosphatase 2A (PP2A). The aberrant expression and mutation of CFTR have been observed in several tumor, but not in philadelphia chromosome-positive(Ph+) acute leukemia, ...
Sphingosine 1-phosphate (S1P) is a naturally occurring bioactive lysophospholipid that regulates immune responses and inflammatory processes in a variety of different organ systems, including the cardiovascular system. Within the cardiovascular system, S1P mediates cardioprotection following ischemia/reperfusion injury, cardiac remodeling, vascular tone, angiogenesis, and fibroblast migration, ...
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