Normal mouse intestinal mucus release requires cystic fibrosis transmembrane regulator–dependent bicarbonate secretion

MAS Garcia, N Yang, PM Quinton - The Journal of clinical …, 2009 - Am Soc Clin Investig
The mechanisms underlying mucus-associated pathologies in cystic fibrosis (CF) remain
obscure. However, recent studies indicate that CF transmembrane conductance regulator …

Bicarbonate and functional CFTR channel are required for proper mucin secretion and link cystic fibrosis with its mucus phenotype

JK Gustafsson, A Ermund, D Ambort… - Journal of Experimental …, 2012 - rupress.org
Cystic fibrosis (CF) is caused by a nonfunctional chloride and bicarbonate ion channel (CF
transmembrane regulator [CFTR]), but the link to the phenomenon of stagnant mucus is not …

Acid-stimulated duodenal bicarbonate secretion involves a CFTR-mediated transport pathway in mice

DL Hogan, DL Crombie, JI Isenberg… - …, 1997 - gastrojournal.org
BACKGROUND & AIMS: Duodenal bicarbonate secretion is an important factor in epithelial
protection. The role of the cystic fibrosis transmembrane conductance regulator (CFTR) in …

Role of epithelial HCO3 transport in mucin secretion: lessons from cystic fibrosis

PM Quinton - American Journal of Physiology-Cell …, 2010 - journals.physiology.org
The invitation to present the 2010 Hans Ussing lecture for the Epithelial Transport Group of
the American Physiological Society offered me a unique, special, and very surprising …

CFTR, mucins, and mucus obstruction in cystic fibrosis

SM Kreda, CW Davis, MC Rose - Cold Spring …, 2012 - perspectivesinmedicine.cshlp.org
Mucus pathology in cystic fibrosis (CF) has been known for as long as the disease has been
recognized and is sometimes called mucoviscidosis. The disease is marked by mucus …

A functional CFTR protein is required for mouse intestinal cAMP‐, cGMP‐ and Ca2+‐dependent HCO3 secretion

U Seidler, I Blumenstein, A Kretz… - The Journal of …, 1997 - Wiley Online Library
1 Most segments of the gastrointestinal tract secrete HCO3−, but the molecular nature of the
secretory mechanisms has not been identified. We had previously speculated that the …

Cellular localization of the cystic fibrosis transmembrane conductance regulator in mouse intestinal tract

N Ameen, J Alexis, P Salas - Histochemistry and cell biology, 2000 - Springer
The cystic fibrosis transmembrane conductance regulator (CFTR) is a cAMP and cGMP-
regulated chloride channel critical to the regulation of intestinal fluid, chloride, and …

Normal mucus formation requires cAMP‐dependent HCO3 secretion and Ca2+‐mediated mucin exocytosis

N Yang, MAS Garcia, PM Quinton - The Journal of physiology, 2013 - Wiley Online Library
Key points• HCO3− is required for gel‐forming mucins to form normal mucus, but how?• Two
apparently separate signalling pathways are activated concurrently to bring mucus formation …

[HTML][HTML] 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 …

CFTR mediates cAMP-and Ca2+-activated duodenal epithelial HCO3-secretion

DL Hogan, DL Crombie, JI Isenberg… - American Journal …, 1997 - journals.physiology.org
The role of the cystic fibrosis transmembrane conductance regulator (CFTR) in duodenal
alkaline secretion has not been directly examined. The aims of this series of experiments …