[HTML][HTML] CFTR-rich ionocytes mediate chloride absorption across airway epithelia

L Lei, S Traore, GSR Ibarra, PH Karp… - The Journal of …, 2023 - Am Soc Clin Investig
The volume and composition of a thin layer of liquid covering the airway surface defend the
lung from inhaled pathogens and debris. Airway epithelia secrete Cl–into the airway surface …

[HTML][HTML] Ionocytes and CFTR chloride channel expression in normal and cystic fibrosis nasal and bronchial epithelial cells

P Scudieri, I Musante, A Venturini, D Guidone… - Cells, 2020 - mdpi.com
The airway epithelium contains ionocytes, a rare cell type with high expression of Forkhead
Box I1 (FOXI1) transcription factor and Cystic Fibrosis Transmembrane conductance …

[PDF][PDF] Loss of CFTR chloride channels alters salt absorption by cystic fibrosis airway epithelia in vitro

J Zabner, JJ Smith, PH Karp, JH Widdicombe… - Molecular cell, 1998 - cell.com
Cystic fibrosis (CF) is caused by the loss of functional CFTR Cl− channels. However, it is not
understood how this defect disrupts salt and liquid movement in the airway or whether it …

Exocytosis is not involved in activation of Cl secretion via CFTR in Calu-3 airway epithelial cells

J Loffing, BD Moyer, D McCoy… - American Journal of …, 1998 - journals.physiology.org
Cystic fibrosis is caused by mutations in the cystic fibrosis transmembrane conductance
regulator (CFTR) Cl− channel, which mediates transepithelial Cl− transport in a variety of …

Regulation of Murine Airway Surface Liquid Volume by CFTR and Ca2+-activated Cl Conductances

R Tarran, ME Loewen, AM Paradiso, JC Olsen… - The Journal of general …, 2002 - rupress.org
Two Cl− conductances have been described in the apical membrane of both human and
murine proximal airway epithelia that are thought to play predominant roles in airway …

Cystic fibrosis and the cells of the airway epithelium: what are ionocytes and what do they do?

VS Shah, RR Chivukula, B Lin… - Annual Review of …, 2022 - annualreviews.org
Cystic fibrosis (CF) is caused by defects in an anion channel, the cystic fibrosis
transmembrane conductance regulator (CFTR). Recently, a new airway epithelial cell type …

Secretory cells dominate airway CFTR expression and function in human airway superficial epithelia

K Okuda, H Dang, Y Kobayashi, G Carraro… - American journal of …, 2021 - atsjournals.org
Rationale: Identification of the specific cell types expressing CFTR (cystic fibrosis [CF]
transmembrane conductance regulator) is required for precision medicine therapies for CF …

Ion and liquid transport across the bronchiolar epithelium

S Blouquit-Laye, T Chinet - Respiratory physiology & neurobiology, 2007 - Elsevier
The proper homeostasis of the airway surface liquid (ASL) depends on transepithelial ion
and fluid transport and is critically important for lung defence, and more specifically for …

Bicarbonate‐dependent chloride transport drives fluid secretion by the human airway epithelial cell line Calu‐3

J Shan, J Liao, J Huang, R Robert… - The Journal of …, 2012 - Wiley Online Library
Key points• The mechanisms of anion and fluid transport by airway submucosal glands are
not well understood and may differ from those in surface epithelium.• The Calu‐3 cell line is …

Calcium-stimulated Clsecretion in Calu-3 human airway cells requires CFTR

S Moon, M Singh, ME Krouse… - American Journal of …, 1997 - journals.physiology.org
Human airway serous cells secrete antibiotic-rich fluid, but, in cystic fibrosis (CF), Cl−-
dependent fluid secretion is impaired by defects in CF transmembrane conductance …