Ivacaftor reverses airway mucus abnormalities in a rat model harboring a humanized G551D-CFTR

SE Birket, JM Davis, CM Fernandez-Petty… - American journal of …, 2020 - atsjournals.org
Rationale: Animal models have been highly informative for understanding the
characteristics, onset, and progression of cystic fibrosis (CF) lung disease. In particular, the …

Involvement of CFTR in uterine bicarbonate secretion and the fertilizing capacity of sperm

XF Wang, CX Zhou, QX Shi, YY Yuan, MK Yu… - Nature cell …, 2003 - nature.com
Cystic fibrosis transmembrane conductance regulator (CFTR) is a cAMP-activated chloride
channel expressed in a wide variety of epithelial cells, mutations of which are responsible …

CFTR involvement in chloride, bicarbonate, and liquid secretion by airway submucosal glands

ST Ballard, L Trout, Z Bebök… - American Journal of …, 1999 - journals.physiology.org
Previous studies demonstrated that ACh-induced liquid secretion by porcine bronchi is
driven by active Cl− and H CO 3− secretion. The present study was undertaken to determine …

Relationships among CFTR expression, HCO3 secretion, and host defense may inform gene- and cell-based cystic fibrosis therapies

VS Shah, S Ernst, XX Tang, PH Karp… - Proceedings of the …, 2016 - National Acad Sciences
Cystic fibrosis (CF) is caused by mutations in the gene encoding the cystic fibrosis
transmembrane conductance regulator (CFTR) anion channel. Airway disease is the major …

CFTR functions as a bicarbonate channel in pancreatic duct cells

H Ishiguro, MC Steward, S Naruse, SBH Ko… - Journal of General …, 2009 - rupress.org
Pancreatic duct epithelium secretes a HCO3−-rich fluid by a mechanism dependent on
cystic fibrosis transmembrane conductance regulator (CFTR) in the apical membrane …

Regulation of Cl−/HCO3− exchange by cystic fibrosis transmembrane conductance regulator expressed in NIH 3T3 and HEK 293 cells

MG Lee, WC Wigley, W Zeng, LE Noel… - Journal of Biological …, 1999 - ASBMB
A central function of cystic fibrosis transmembrane conductance regulator (CFTR)-
expressing tissues is the secretion of fluid containing 100–140 mmHCO 3−. High levels of …

[HTML][HTML] Neonates with cystic fibrosis have a reduced nasal liquid pH; a small pilot study

MH Abou Alaiwa, AM Beer, AA Pezzulo… - Journal of cystic …, 2014 - Elsevier
Background Disrupted HCO 3–transport and reduced airway surface liquid (ASL) pH in
cystic fibrosis (CF) may initiate airway disease. We hypothesized that ASL pH is reduced in …

[HTML][HTML] Mechanism of direct bicarbonate transport by the CFTR anion channel

L Tang, M Fatehi, P Linsdell - Journal of Cystic Fibrosis, 2009 - Elsevier
BACKGROUND: CFTR contributes to HCO3− transport in epithelial cells both directly (by
HCO3− permeation through the channel) and indirectly (by regulating Cl−/HCO3− exchange …

Dual role of CFTR in cAMP-stimulated secretion across murine duodenum

LL Clarke, MC Harline - American Journal of Physiology …, 1998 - journals.physiology.org
The role of the cystic fibrosis transmembrane conductance regulator (CFTR) in cAMP-
stimulated HCO 3− secretion across the murine duodenum was investigated. Serosal-to …

Liquid secretion properties of airway submucosal glands

ST Ballard, SK Inglis - The Journal of physiology, 2004 - Wiley Online Library
The tracheobronchial submucosal glands secrete liquid that is important for hydrating airway
surfaces, supporting mucociliary transport, and serving as a fluid matrix for numerous …