Kunzelmann, Karl and Schreiber, Rainer and Hadom, Hans Beat (2017) Bicarbonate in cystic fibrosis. JOURNAL OF CYSTIC FIBROSIS, 16 (6). pp. 653-662. ISSN 1569-1993, 1873-5010
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Background: Cystic fibrosis (CF, mucoviscidosis) is caused by mutations in the gene encoding CF transmembrane conductance regulator (CFTR), which is a chloride and bicarbonate channel necessary for fluid secretion and extracellular alkalization. For a long time, research concentrated on abnormal Cl- and Na+ transport, but neglected bicarbonate as a crucial factor in CF. Methods: The present short review reports early findings as well as recent insights into the role of CFTR for bicarbonate transport and its defects in CF. Results: The available data indicate impaired bicarbonate transport not only in pancreas, intestine, airways, and reproductive organs, but also in salivary glands, sweat duct and renal tubular epithelial cells. Defective bicarbonate transport is closely related to the impaired mucus properties and mucus blocking in secretory organs of CF patients, causing the life threatening lung disease. Conclusions: Apart from the devastating lung disease, abrogated bicarbonate transport also leads to many other organ dysfunctions, which are outlined in the present review. (c) 2017 European Cystic Fibrosis Society. Published by Elsevier B.V. All rights reserved.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | TRANSMEMBRANE CONDUCTANCE REGULATOR; EXOCRINE PANCREATIC-FUNCTION; DEPENDENT HCO3-TRANSPORT; AIRWAY EPITHELIAL-CELLS; DUCT CELLS; MUCOCILIARY TRANSPORT; CHLORIDE CHANNELS; SECRETION INHIBITORS; MOLECULAR-MECHANISM; METABOLIC ALKALOSIS; Mucoviscidosis; Cystic fibrosis; Bicarbonate; Mucus; Cystic fibrosis transmembrane conductance regulator; CFTR |
| Subjects: | 500 Science > 570 Life sciences |
| Divisions: | Biology, Preclinical Medicine > Institut für Physiologie > Prof. Dr. Karl Kunzelmann |
| Depositing User: | Petra Gürster |
| Date Deposited: | 14 Dec 2018 13:19 |
| Last Modified: | 04 Sep 2020 10:14 |
| URI: | https://pred.uni-regensburg.de/id/eprint/1880 |
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