Commentary Cystic Fibrosis Transmembrane Conductance Regulator
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Commentary Cystic Fibrosis Transmembrane Conductance Regulator
In the 8 yr since the gene encoding the cystic fibrosis transmembrane conductance regulator (CFTR) was identified by means of positional cloning (Kerem et al., 1989; Riordan et al., 1989; Rommens et al., 1989), the Cl channel function of CFTR has been studied in a wide variety of expression systems. Macroscopic and single-channel currents have been measured and a large number of mutant construc...
متن کاملCystic Fibrosis Transmembrane Conductance Regulator
Description The cystic fibrosis transmembrane regulator (CFTR) gene codes for the CFTR protein; a chloride channel protein that helps in the transportation of chloride ions and water molecules across the cell membranes of lungs, liver, pancreas, and skin. CFTR is a member of the ATP-binding cassette family of membrane transport proteins, but appears to be unique within this family by functionin...
متن کاملCystic Fibrosis Transmembrane Conductance Regulator
The cystic fibrosis transmembrane conductance regulator (CFTR) Cl channel exhibits lyotropic anion selectivity. Anions that are more readily dehydrated than Cl exhibit permeability ratios (P(S)/P(Cl)) greater than unity and also bind more tightly in the channel. We compared the selectivity of CFTR to that of a synthetic anion-selective membrane [poly(vinyl chloride)-tridodecylmethylammonium chl...
متن کاملCystic Fibrosis Transmembrane Conductance Regulator (CFTR) Gene
The Cystic Fibrosis Transmembrane Conductance Regulator (CFTR) gene was identified in 1989 by geneticist Lap-Chee Tsui and his research team as the gene associated with cystic fibrosis [4] (CF). Tsui?s research pinpointed the gene, some mutations to which cause CF, and it revealed the underlying disease mechanism. The CFTR gene encodes a protein in cell membranes in epithelial tissues and affec...
متن کاملLocalization of Cystic Fibrosis Transmembrane Conductance Regulator
We have used in situ hybridization to localize expression of the cystic fibrosis transmembrane conductance regulator (CFTR) gene in the human gastrointestinal tract and associated organs. The stomach exhibits a low level ofCFTR expression throughout gastric mucosa. In the small intestine, expression is relatively high in the mucosal epithelium, with a decreasing gradient of expression along the...
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ژورنال
عنوان ژورنال: Journal of General Physiology
سال: 1997
ISSN: 0022-1295,1540-7748
DOI: 10.1085/jgp.110.4.337