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Stimulation of Airway and Intestinal Mucosal Secretion by Natural Coumarin CFTR Activators
Mutations of cystic fibrosis (CF) transmembrane conductance regulator (CFTR) cause lethal hereditary disease CF that involves extensive destruction and dysfunction of serous epithelium. Possible pharmacological therapy includes correction of defective intracellular processing and abnormal channel ga...
Autores principales: | , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Frontiers Research Foundation
2011
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3180640/ https://www.ncbi.nlm.nih.gov/pubmed/21991256 http://dx.doi.org/10.3389/fphar.2011.00052 |
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author | Yang, Hong Xu, Li-Na Sui, Yu-jie Liu, Xin He, Cheng-yan Fang, Rou-yu Liu, Jia Hao, Feng Ma, Tong-Hui |
author_facet | Yang, Hong Xu, Li-Na Sui, Yu-jie Liu, Xin He, Cheng-yan Fang, Rou-yu Liu, Jia Hao, Feng Ma, Tong-Hui |
author_sort | Yang, Hong |
collection | PubMed |
description | Mutations of cystic fibrosis (CF) transmembrane conductance regulator (CFTR) cause lethal hereditary disease CF that involves extensive destruction and dysfunction of serous epithelium. Possible pharmacological therapy includes correction of defective intracellular processing and abnormal channel gating. In a previous study, we identified five natural coumarin potentiators of ΔF508-CFTR including osthole, imperatorin, isopsoralen, praeruptorin A, and scoparone. The present study was designed to determine the activity of these coumarine compounds on CFTR activity in animal tissues as a primary evaluation of their therapeutic potential. In the present study, we analyzed the affinity of these coumarin potentiators in activating wild-type CFTR and found that they are all potent activators. Osthole showed the highest affinity with K(d) values <50 nmol/L as determined by Ussing chamber short-circuit current assay. Stimulation of rat colonic mucosal secretion by osthole was tested by the Ussing chamber short-circuit current assay. Osthole reached maximal activation of colonic Cl(−) secretion at 5 μmol/L. Stimulation of mouse tracheal mucosal secretion was analyzed by optical measurement of single gland secretion. Fluid secretion rate of tracheal single submucosal gland stimulated by osthole at 10 μmol/L was three-fold more rapid than that in negative control. In both cases the stimulated secretions were fully abolished by CFTR(inh)-172. In conclusion, the effective stimulation of Cl(–) and fluid secretion in colonic and tracheal mucosa by osthole suggested the therapeutic potential of natural coumarin compounds for the treatment of CF and other CFTR-related diseases. |
format | Online Article Text |
id | pubmed-3180640 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2011 |
publisher | Frontiers Research Foundation |
record_format | MEDLINE/PubMed |
spelling | pubmed-31806402011-10-11 Stimulation of Airway and Intestinal Mucosal Secretion by Natural Coumarin CFTR Activators Yang, Hong Xu, Li-Na Sui, Yu-jie Liu, Xin He, Cheng-yan Fang, Rou-yu Liu, Jia Hao, Feng Ma, Tong-Hui Front Pharmacol Pharmacology Mutations of cystic fibrosis (CF) transmembrane conductance regulator (CFTR) cause lethal hereditary disease CF that involves extensive destruction and dysfunction of serous epithelium. Possible pharmacological therapy includes correction of defective intracellular processing and abnormal channel gating. In a previous study, we identified five natural coumarin potentiators of ΔF508-CFTR including osthole, imperatorin, isopsoralen, praeruptorin A, and scoparone. The present study was designed to determine the activity of these coumarine compounds on CFTR activity in animal tissues as a primary evaluation of their therapeutic potential. In the present study, we analyzed the affinity of these coumarin potentiators in activating wild-type CFTR and found that they are all potent activators. Osthole showed the highest affinity with K(d) values <50 nmol/L as determined by Ussing chamber short-circuit current assay. Stimulation of rat colonic mucosal secretion by osthole was tested by the Ussing chamber short-circuit current assay. Osthole reached maximal activation of colonic Cl(−) secretion at 5 μmol/L. Stimulation of mouse tracheal mucosal secretion was analyzed by optical measurement of single gland secretion. Fluid secretion rate of tracheal single submucosal gland stimulated by osthole at 10 μmol/L was three-fold more rapid than that in negative control. In both cases the stimulated secretions were fully abolished by CFTR(inh)-172. In conclusion, the effective stimulation of Cl(–) and fluid secretion in colonic and tracheal mucosa by osthole suggested the therapeutic potential of natural coumarin compounds for the treatment of CF and other CFTR-related diseases. Frontiers Research Foundation 2011-09-27 /pmc/articles/PMC3180640/ /pubmed/21991256 http://dx.doi.org/10.3389/fphar.2011.00052 Text en Copyright © 2011 Yang, Xu, Sui, Liu, He, Fang, Liu, Hao and Ma. http://www.frontiersin.org/licenseagreement This is an open-access article subject to a non-exclusive license between the authors and Frontiers Media SA, which permits use, distribution and reproduction in other forums, provided the original authors and source are credited and other Frontiers conditions are complied with. |
spellingShingle | Pharmacology Yang, Hong Xu, Li-Na Sui, Yu-jie Liu, Xin He, Cheng-yan Fang, Rou-yu Liu, Jia Hao, Feng Ma, Tong-Hui Stimulation of Airway and Intestinal Mucosal Secretion by Natural Coumarin CFTR Activators |
title | Stimulation of Airway and Intestinal Mucosal Secretion by Natural Coumarin CFTR Activators |
title_full | Stimulation of Airway and Intestinal Mucosal Secretion by Natural Coumarin CFTR Activators |
title_fullStr | Stimulation of Airway and Intestinal Mucosal Secretion by Natural Coumarin CFTR Activators |
title_full_unstemmed | Stimulation of Airway and Intestinal Mucosal Secretion by Natural Coumarin CFTR Activators |
title_short | Stimulation of Airway and Intestinal Mucosal Secretion by Natural Coumarin CFTR Activators |
title_sort | stimulation of airway and intestinal mucosal secretion by natural coumarin cftr activators |
topic | Pharmacology |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3180640/ https://www.ncbi.nlm.nih.gov/pubmed/21991256 http://dx.doi.org/10.3389/fphar.2011.00052 |
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