A1 receptor antagonist 8-cyclopentyl-1,3-dipropylxanthine selectively activates chloride efflux from human epithelial and mouse fibroblast cell lines expressing the cystic fibrosis transmembrane regulator delta F508 mutation.

Abstract excerpt

Cystic fibrosis is an autosomal recessive disorder affecting chloride transport in pancreas, lung, and other tissues, which is caused by mutations in the cystic fibrosis transmembrane regulator (CFTR). The A1 receptor antagonist 8-cyclopentyl-1,3-dipropylxanthine (CPX) stimulates 36Cl- efflux from pancreatic CFPAC-1 cells which bear the delta F508 genotype common to most cases of cystic fibrosis [Eidelman et al....

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