CFTR, Cell Junctions and the Cytoskeleton

The multi-organ disease cystic fibrosis (CF) is caused by mutations in the gene encoding the CF transmembrane conductance regulator (CFTR) protein, a cAMP regulated chloride (Cl<sup>−</sup>) and bicarbonate (HCO<sub>3</sub><sup>−</sup>) ion channel expressed at th...

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Main Authors: Ines Pankonien, Margarida C. Quaresma, Cláudia S. Rodrigues, Margarida D. Amaral
Format: Article
Language:English
Published: MDPI AG 2022-02-01
Series:International Journal of Molecular Sciences
Subjects:
Online Access:https://www.mdpi.com/1422-0067/23/5/2688
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author Ines Pankonien
Margarida C. Quaresma
Cláudia S. Rodrigues
Margarida D. Amaral
author_facet Ines Pankonien
Margarida C. Quaresma
Cláudia S. Rodrigues
Margarida D. Amaral
author_sort Ines Pankonien
collection DOAJ
description The multi-organ disease cystic fibrosis (CF) is caused by mutations in the gene encoding the CF transmembrane conductance regulator (CFTR) protein, a cAMP regulated chloride (Cl<sup>−</sup>) and bicarbonate (HCO<sub>3</sub><sup>−</sup>) ion channel expressed at the apical plasma membrane (PM) of epithelial cells. Reduced CFTR protein results in decreased Cl<sup>−</sup> secretion and excessive sodium reabsorption in epithelial cells, which consequently leads to epithelial dehydration and the accumulation of thick mucus within the affected organs, such as the lungs, pancreas, gastrointestinal (GI) tract, reproductive system and sweat glands. However, CFTR has been implicated in other functions besides transporting ions across epithelia. The rising number of references concerning its association to actin cytoskeleton organization, epithelial cell junctions and extracellular matrix (ECM) proteins suggests a role in the formation and maintenance of epithelial apical basolateral polarity. This review will focus on recent literature (the last 10 years) substantiating the role of CFTR in cell junction formation and actin cytoskeleton organization with its connection to the ECM.
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spelling doaj.art-fabce5bbafac46caa456966558e4e50f2023-11-23T23:08:03ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672022-02-01235268810.3390/ijms23052688CFTR, Cell Junctions and the CytoskeletonInes Pankonien0Margarida C. Quaresma1Cláudia S. Rodrigues2Margarida D. Amaral3BioISI—Biosystems and Integrative Sciences Institute, Faculty of Sciences, University of Lisboa, 1749-016 Lisboa, PortugalBioISI—Biosystems and Integrative Sciences Institute, Faculty of Sciences, University of Lisboa, 1749-016 Lisboa, PortugalBioISI—Biosystems and Integrative Sciences Institute, Faculty of Sciences, University of Lisboa, 1749-016 Lisboa, PortugalBioISI—Biosystems and Integrative Sciences Institute, Faculty of Sciences, University of Lisboa, 1749-016 Lisboa, PortugalThe multi-organ disease cystic fibrosis (CF) is caused by mutations in the gene encoding the CF transmembrane conductance regulator (CFTR) protein, a cAMP regulated chloride (Cl<sup>−</sup>) and bicarbonate (HCO<sub>3</sub><sup>−</sup>) ion channel expressed at the apical plasma membrane (PM) of epithelial cells. Reduced CFTR protein results in decreased Cl<sup>−</sup> secretion and excessive sodium reabsorption in epithelial cells, which consequently leads to epithelial dehydration and the accumulation of thick mucus within the affected organs, such as the lungs, pancreas, gastrointestinal (GI) tract, reproductive system and sweat glands. However, CFTR has been implicated in other functions besides transporting ions across epithelia. The rising number of references concerning its association to actin cytoskeleton organization, epithelial cell junctions and extracellular matrix (ECM) proteins suggests a role in the formation and maintenance of epithelial apical basolateral polarity. This review will focus on recent literature (the last 10 years) substantiating the role of CFTR in cell junction formation and actin cytoskeleton organization with its connection to the ECM.https://www.mdpi.com/1422-0067/23/5/2688cystic fibrosiscell polarizationepithelial differentiationepithelial regenerationepithelial-mesenchymal transitionextracellular matrix
spellingShingle Ines Pankonien
Margarida C. Quaresma
Cláudia S. Rodrigues
Margarida D. Amaral
CFTR, Cell Junctions and the Cytoskeleton
International Journal of Molecular Sciences
cystic fibrosis
cell polarization
epithelial differentiation
epithelial regeneration
epithelial-mesenchymal transition
extracellular matrix
title CFTR, Cell Junctions and the Cytoskeleton
title_full CFTR, Cell Junctions and the Cytoskeleton
title_fullStr CFTR, Cell Junctions and the Cytoskeleton
title_full_unstemmed CFTR, Cell Junctions and the Cytoskeleton
title_short CFTR, Cell Junctions and the Cytoskeleton
title_sort cftr cell junctions and the cytoskeleton
topic cystic fibrosis
cell polarization
epithelial differentiation
epithelial regeneration
epithelial-mesenchymal transition
extracellular matrix
url https://www.mdpi.com/1422-0067/23/5/2688
work_keys_str_mv AT inespankonien cftrcelljunctionsandthecytoskeleton
AT margaridacquaresma cftrcelljunctionsandthecytoskeleton
AT claudiasrodrigues cftrcelljunctionsandthecytoskeleton
AT margaridadamaral cftrcelljunctionsandthecytoskeleton