Turnover of the cystic fibrosis transmembrane conductance regulator (CFTR): slow degradation of wild-type and delta F508 CFTR in surface membrane preparations of immortalized airway epithelial cells.

Abstract excerpt

The protein product of the cystic fibrosis (CF) gene, termed the cystic fibrosis transmembrane conductance regulator (CFTR), is known to function as an apical chloride channel at the surface of airway epithelial cells. It has been proposed that CFTR has additional intracellular functions and that there is altered processing of mutant forms. In examining these functions we found a stable form of CFTR with slow...

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