Chloride Transport in Nasal Ciliated Cells of Cystic Fibrosis Heterozygotes

From: American Journal of Respiratory and Critical Care Medicine | Date: May 1, 2005| Author: Dà Et al; Fajac, Anne; Vallà ¨ © © ® chaux, Michà e, Benoà le; Sermet-Gaudelus, Isabelle; t | Copyright information

Studying subjects heterozygous for mutations of the cystic fibrosis (CF) gene may help clarify the impact on disease onset of CF transmembrane conductance regulator protein (CFTR-)-dependent chloride secretion. CFTR-mediated chloride transport was evaluated in 52 heterozygous subjects, 32 healthy control subjects, and 77 patients with CF with class I or II mutations. We measured the change in nasal potential difference in response to chloride-free isoproterenol solution for each subject and u...

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