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Erfinanda L, Zou L, Gutbier B, Kneller L, Weidenfeld S, Michalick L, Lei D, Reppe K, Teixeira Alves LG, Schneider B, Zhang Q, Li C, Fatykhova D, Schneider P, Liedtke W, Sohara E, Mitchell TJ, Gruber AD, Hocke A, Hippenstiel S, Suttorp N, Olschewski A, Mall MA, Witzenrath M, Kuebler WM. Loss of endothelial CFTR drives barrier failure and edema formation in lung infection and can be targeted by CFTR potentiation. Sci Transl Med 2022; 14:eabg8577. [PMID: 36475904 DOI: 10.1126/scitranslmed.abg8577] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Pneumonia is the most common cause of the acute respiratory distress syndrome (ARDS). Here, we identified loss of endothelial cystic fibrosis transmembrane conductance regulator (CFTR) as an important pathomechanism leading to lung barrier failure in pneumonia-induced ARDS. CFTR was down-regulated after Streptococcus pneumoniae infection ex vivo or in vivo in human or murine lung tissue, respectively. Analysis of isolated perfused rat lungs revealed that CFTR inhibition increased endothelial permeability in parallel with intracellular chloride ion and calcium ion concentrations ([Cl-]i and [Ca2+]i). Inhibition of the chloride ion-sensitive with-no-lysine kinase 1 (WNK1) protein with tyrphostin 47 or WNK463 replicated the effect of CFTR inhibition on endothelial permeability and endothelial [Ca2+]i, whereas WNK1 activation by temozolomide attenuated it. Endothelial [Ca2+]i transients and permeability in response to inhibition of either CFTR or WNK1 were prevented by inhibition of the cation channel transient receptor potential vanilloid 4 (TRPV4). Mice deficient in Trpv4 (Trpv4-/-) developed less lung edema and protein leak than their wild-type littermates after infection with S. pneumoniae. The CFTR potentiator ivacaftor prevented lung CFTR loss, edema, and protein leak after S. pneumoniae infection in wild-type mice. In conclusion, lung infection caused loss of CFTR that promoted lung edema formation through intracellular chloride ion accumulation, inhibition of WNK1, and subsequent disinhibition of TRPV4, resulting in endothelial calcium ion influx and vascular barrier failure. Ivacaftor prevented CFTR loss in the lungs of mice with pneumonia and may, therefore, represent a possible therapeutic strategy in people suffering from ARDS due to severe pneumonia.
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Affiliation(s)
- Lasti Erfinanda
- Institute of Physiology, Charité-Universitätsmedizin Berlin, 10117 Berlin, Germany
| | - Lin Zou
- Institute of Physiology, Charité-Universitätsmedizin Berlin, 10117 Berlin, Germany.,German Heart Center, 13353 Berlin, Germany.,Department of Endocrinology, Shanghai Pudong New Area Gongli Hospital, 200135 Shanghai, China
| | - Birgitt Gutbier
- Department of Infectious Diseases and Pulmonary Medicine, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 10117 Berlin, Germany
| | - Laura Kneller
- Department of Infectious Diseases and Pulmonary Medicine, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 10117 Berlin, Germany
| | - Sarah Weidenfeld
- Institute of Physiology, Charité-Universitätsmedizin Berlin, 10117 Berlin, Germany
| | - Laura Michalick
- Institute of Physiology, Charité-Universitätsmedizin Berlin, 10117 Berlin, Germany
| | - Disi Lei
- Institute of Physiology, Charité-Universitätsmedizin Berlin, 10117 Berlin, Germany.,German Heart Center, 13353 Berlin, Germany
| | - Katrin Reppe
- Department of Infectious Diseases and Pulmonary Medicine, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 10117 Berlin, Germany
| | - Luiz Gustavo Teixeira Alves
- Department of Infectious Diseases and Pulmonary Medicine, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 10117 Berlin, Germany
| | - Bill Schneider
- Department of Infectious Diseases and Pulmonary Medicine, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 10117 Berlin, Germany
| | - Qi Zhang
- Institute of Physiology, Charité-Universitätsmedizin Berlin, 10117 Berlin, Germany
| | - Caihong Li
- Institute of Physiology, Charité-Universitätsmedizin Berlin, 10117 Berlin, Germany
| | - Diana Fatykhova
- Department of Infectious Diseases and Pulmonary Medicine, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 10117 Berlin, Germany
| | - Paul Schneider
- Department for General and Thoracic Surgery, DRK Clinics, 13359 Berlin, Germany
| | - Wolfgang Liedtke
- Departments of Neurology, Neurobiology, and Clinics for Pain and Palliative Care, Duke University Medical Center, Durham, NC 27710, USA
| | - Eisei Sohara
- Department of Nephrology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo 113-8510, Japan
| | - Timothy J Mitchell
- Institute of Microbiology and Infection, University of Birmingham, Birmingham B15-2TT, UK
| | - Achim D Gruber
- Institute of Veterinary Pathology, Freie Universität Berlin, 14163 Berlin, Germany
| | - Andreas Hocke
- Department of Infectious Diseases and Pulmonary Medicine, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 10117 Berlin, Germany.,German Center for Lung Research (DZL), associated partner site, 10117 Berlin, Germany
| | - Stefan Hippenstiel
- Department of Infectious Diseases and Pulmonary Medicine, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 10117 Berlin, Germany.,German Center for Lung Research (DZL), associated partner site, 10117 Berlin, Germany
| | - Norbert Suttorp
- Department of Infectious Diseases and Pulmonary Medicine, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 10117 Berlin, Germany.,German Center for Lung Research (DZL), associated partner site, 10117 Berlin, Germany
| | - Andrea Olschewski
- Experimental Anaesthesiology, Department of Anaesthesiology and Intensive Care Medicine, Medical University of Graz, 8010 Graz, Austria
| | - Marcus A Mall
- German Center for Lung Research (DZL), associated partner site, 10117 Berlin, Germany.,Department of Pediatric Pulmonology, Immunology and Intensive Care Medicine, Charité - Universitätsmedizin Berlin, 13353 Berlin, Germany
| | - Martin Witzenrath
- Department of Infectious Diseases and Pulmonary Medicine, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 10117 Berlin, Germany.,German Center for Lung Research (DZL), associated partner site, 10117 Berlin, Germany
| | - Wolfgang M Kuebler
- Institute of Physiology, Charité-Universitätsmedizin Berlin, 10117 Berlin, Germany.,German Center for Lung Research (DZL), associated partner site, 10117 Berlin, Germany
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Rodrat M, Wongdee K, Teerapornpuntakit J, Thongbunchoo J, Tanramluk D, Aeimlapa R, Thammayon N, Thonapan N, Wattano P, Charoenphandhu N. Vasoactive intestinal peptide and cystic fibrosis transmembrane conductance regulator contribute to the transepithelial calcium transport across intestinal epithelium-like Caco-2 monolayer. PLoS One 2022; 17:e0277096. [PMID: 36399482 PMCID: PMC9674163 DOI: 10.1371/journal.pone.0277096] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 10/20/2022] [Indexed: 11/19/2022] Open
Abstract
Vasoactive intestinal peptide (VIP) as a neurocrine factor released by enteric neurons has been postulated to participate in the regulation of transcellular active calcium transport across intestinal epithelium, but the preceding evidence is scant and inconclusive. Herein, transepithelial calcium flux and epithelial electrical parameters were determined by Ussing chamber technique with radioactive tracer in the intestinal epithelium-like Caco-2 monolayer grown on Snapwell. After 3-day culture, Caco-2 cells expressed mRNA of calcium transporters, i.e., TRPV6, calbindin-D9k, PMCA1b and NCX1, and exhibited transepithelial resistance of ~200 Ω cm2, a characteristic of leaky epithelium similar to the small intestine. VIP receptor agonist was able to enhance transcellular calcium flux, whereas VIP receptor antagonist totally abolished calcium fluxes induced by 1,25-dihydroxyvitamin D3 [1,25(OH)2D3]. Since the intestinal cystic fibrosis transmembrane conductance regulator (CFTR) could be activated by VIP and calciotropic hormones, particularly parathyroid hormone, we sought to determine whether CFTR also contributed to the 1,25(OH)2D3-induced calcium transport. A selective CFTR inhibitor (20–200 μM CFTRinh-172) appeared to diminish calcium fluxes as well as transepithelial potential difference and short-circuit current, both of which indicated a decrease in electrogenic ion transport. On the other hand, 50 μM genistein—a molecule that could rapidly activate CFTR—was found to increase calcium transport. Our in silico molecular docking analysis confirmed direct binding of CFTRinh-172 and genistein to CFTR channels. In conclusion, VIP and CFTR apparently contributed to the intestinal calcium transport, especially in the presence of 1,25(OH)2D3, thereby supporting the existence of the neurocrine control of intestinal calcium absorption.
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Affiliation(s)
- Mayuree Rodrat
- Faculty of Science, Center of Calcium and Bone Research (COCAB), Mahidol University, Bangkok, Thailand
- Faculty of Science, Department of Physiology, Mahidol University, Bangkok, Thailand
- Institute of Molecular Biosciences, Mahidol University, Nakhon Pathom, Thailand
- Center of Research and Development for Biomedical Instrumentation, Institute of Molecular Biosciences, Mahidol University, Nakhon Pathom, Thailand
| | - Kannikar Wongdee
- Faculty of Science, Center of Calcium and Bone Research (COCAB), Mahidol University, Bangkok, Thailand
- Faculty of Allied Health Sciences, Burapha University, Chonburi, Thailand
| | - Jarinthorn Teerapornpuntakit
- Faculty of Science, Center of Calcium and Bone Research (COCAB), Mahidol University, Bangkok, Thailand
- Department of Physiology, Faculty of Medical Science, Naresuan University, Phitsanulok, Thailand
| | - Jirawan Thongbunchoo
- Faculty of Science, Center of Calcium and Bone Research (COCAB), Mahidol University, Bangkok, Thailand
- Faculty of Science, Department of Physiology, Mahidol University, Bangkok, Thailand
| | - Duangrudee Tanramluk
- Institute of Molecular Biosciences, Mahidol University, Nakhon Pathom, Thailand
- Integrative Computational BioScience (ICBS) Center, Mahidol University, Nakhon Pathom, Thailand
| | - Ratchaneevan Aeimlapa
- Faculty of Science, Center of Calcium and Bone Research (COCAB), Mahidol University, Bangkok, Thailand
- Faculty of Science, Department of Physiology, Mahidol University, Bangkok, Thailand
| | - Nithipak Thammayon
- Faculty of Science, Center of Calcium and Bone Research (COCAB), Mahidol University, Bangkok, Thailand
- Faculty of Science, Graduate Program in Molecular Medicine, Mahidol University, Bangkok, Thailand
| | - Natchayaporn Thonapan
- Faculty of Science, Center of Calcium and Bone Research (COCAB), Mahidol University, Bangkok, Thailand
- Faculty of Science, Graduate Program in Molecular Medicine, Mahidol University, Bangkok, Thailand
| | - Pathnaree Wattano
- Faculty of Science, Center of Calcium and Bone Research (COCAB), Mahidol University, Bangkok, Thailand
| | - Narattaphol Charoenphandhu
- Faculty of Science, Center of Calcium and Bone Research (COCAB), Mahidol University, Bangkok, Thailand
- Faculty of Science, Department of Physiology, Mahidol University, Bangkok, Thailand
- Institute of Molecular Biosciences, Mahidol University, Nakhon Pathom, Thailand
- The Academy of Science, The Royal Society of Thailand, Bangkok, Thailand
- * E-mail:
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3
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Chaimana R, Teerapornpuntakit J, Jantarajit W, Lertsuwan K, Krungchanuchat S, Panupinthu N, Krishnamra N, Charoenphandhu N. CFTR-mediated anion secretion in parathyroid hormone-treated Caco-2 cells is associated with PKA and PI3K phosphorylation but not intracellular pH changes or Na +/K +-ATPase abundance. Biochem Biophys Rep 2021; 27:101054. [PMID: 34189282 PMCID: PMC8220001 DOI: 10.1016/j.bbrep.2021.101054] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 05/27/2021] [Accepted: 06/09/2021] [Indexed: 02/07/2023] Open
Abstract
Parathyroid hormone (PTH) has previously been shown to enhance the transepithelial secretion of Cl− and HCO3− across the intestinal epithelia including Caco-2 monolayer, but the underlying cellular mechanisms are not completely understood. Herein, we identified the major signaling pathways that possibly mediated the PTH action to its known target anion channel, i.e., cystic fibrosis transmembrane conductance regulator anion channel (CFTR). Specifically, PTH was able to induce phosphorylation of protein kinase A and phosphoinositide 3-kinase. Since the apical HCO3− efflux through CFTR often required the intracellular H+/HCO3− production and/or the Na+-dependent basolateral HCO3− uptake, the intracellular pH (pHi) balance might be disturbed, especially as a consequence of increased endogenous H+ and HCO3− production. However, measurement of pHi by a pH-sensitive dye suggested that the PTH-exposed Caco-2 cells were able to maintain normal pH despite robust HCO3− transport. In addition, although the plasma membrane Na+/K+-ATPase (NKA) is normally essential for basolateral HCO3− uptake and other transporters (e.g., NHE1), PTH did not induce insertion of new NKA molecules into the basolateral membrane as determined by membrane protein biotinylation technique. Thus, together with our previous data, we concluded that the PTH action on Caco-2 cells is dependent on PKA and PI3K with no detectable change in pHi or NKA abundance on cell membrane. Intestinal epithelial-like Caco-2 cells expressed CFTR and PTH1R. PTH increased anion transport across Caco-2 monolayer as suggested by Vt change. PTH induced phosphorylation of PKA and PI3K in Caco-2 cells. Intracellular pH was unaltered despite the presence of PTH-induced HCO3− efflux. PTH did not change Na+/K+-ATPase abundance in the plasma membrane.
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Affiliation(s)
- Rattana Chaimana
- Center of Calcium and Bone Research (COCAB), Faculty of Science, Mahidol University, Bangkok, Thailand.,Department of Physiology, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Jarinthorn Teerapornpuntakit
- Center of Calcium and Bone Research (COCAB), Faculty of Science, Mahidol University, Bangkok, Thailand.,Department of Physiology, Faculty of Medical Science, Naresuan University, Phitsanulok, Thailand
| | - Walailak Jantarajit
- Center of Calcium and Bone Research (COCAB), Faculty of Science, Mahidol University, Bangkok, Thailand.,Department of Physiology, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Kornkamon Lertsuwan
- Center of Calcium and Bone Research (COCAB), Faculty of Science, Mahidol University, Bangkok, Thailand.,Department of Biochemistry, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Saowalak Krungchanuchat
- Center of Calcium and Bone Research (COCAB), Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Nattapon Panupinthu
- Center of Calcium and Bone Research (COCAB), Faculty of Science, Mahidol University, Bangkok, Thailand.,Department of Physiology, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Nateetip Krishnamra
- Center of Calcium and Bone Research (COCAB), Faculty of Science, Mahidol University, Bangkok, Thailand.,Department of Physiology, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Narattaphol Charoenphandhu
- Center of Calcium and Bone Research (COCAB), Faculty of Science, Mahidol University, Bangkok, Thailand.,Department of Physiology, Faculty of Science, Mahidol University, Bangkok, Thailand.,Institute of Molecular Biosciences, Mahidol University, Nakhon Pathom, Thailand.,The Academy of Science, The Royal Society of Thailand, Bangkok, Thailand
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4
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Rodrat M, Jantarajit W, Ng DRS, Harvey BSJ, Liu J, Wilkinson WJ, Charoenphandhu N, Sheppard DN. Carbon monoxide-releasing molecules inhibit the cystic fibrosis transmembrane conductance regulator Cl - channel. Am J Physiol Lung Cell Mol Physiol 2020; 319:L997-L1009. [PMID: 32936026 DOI: 10.1152/ajplung.00440.2019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
The gasotransmitter carbon monoxide (CO) regulates fluid and electrolyte movements across epithelial tissues. However, its action on anion channels is incompletely understood. Here, we investigate the direct action of CO on the cystic fibrosis transmembrane conductance regulator (CFTR) by applying CO-releasing molecules (CO-RMs) to the intracellular side of excised inside-out membrane patches from cells heterologously expressing wild-type human CFTR. Addition of increasing concentrations of tricarbonyldichlororuthenium(II) dimer (CORM-2) (1-300 μM) inhibited CFTR channel activity, whereas the control RuCl3 (100 μM) was without effect. CORM-2 predominantly inhibited CFTR by decreasing the frequency of channel openings and, hence, open probability (Po). But, it also reduced current flow through open channels with very fast kinetics, particularly at elevated concentrations. By contrast, the chemically distinct CO-releasing molecule CORM-3 inhibited CFTR by decreasing Po without altering current flow through open channels. Neither depolarizing the membrane voltage nor raising the ATP concentration on the intracellular side of the membrane affected CFTR inhibition by CORM-2. Interestingly, CFTR inhibition by CORM-2, but not by CFTRinh-172, was prevented by prior enhancement of channel activity by the clinically approved CFTR potentiator ivacaftor. Similarly, when added after CORM-2, ivacaftor completely relieved CFTR inhibition. In conclusion, CORM-2 has complex effects on wild-type human CFTR consistent with allosteric inhibition and open-channel blockade. Inhibition of CFTR by CO-releasing molecules suggests that CO regulates CFTR activity and that the gasotransmitter has tissue-specific effects on epithelial ion transport. The action of ivacaftor on CFTR Cl- channels inhibited by CO potentially expands the drug's clinical utility.
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Affiliation(s)
- Mayuree Rodrat
- School of Physiology, Pharmacology and Neuroscience, University of Bristol, Bristol, United Kingdom.,Center of Calcium and Bone Research (COCAB), Faculty of Science, Mahidol University, Bangkok, Thailand.,Department of Physiology, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Walailak Jantarajit
- School of Physiology, Pharmacology and Neuroscience, University of Bristol, Bristol, United Kingdom.,Center of Calcium and Bone Research (COCAB), Faculty of Science, Mahidol University, Bangkok, Thailand.,Department of Physiology, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Demi R S Ng
- School of Physiology, Pharmacology and Neuroscience, University of Bristol, Bristol, United Kingdom
| | - Bartholomew S J Harvey
- School of Physiology, Pharmacology and Neuroscience, University of Bristol, Bristol, United Kingdom
| | - Jia Liu
- School of Physiology, Pharmacology and Neuroscience, University of Bristol, Bristol, United Kingdom
| | | | - Narattaphol Charoenphandhu
- Center of Calcium and Bone Research (COCAB), Faculty of Science, Mahidol University, Bangkok, Thailand.,Department of Physiology, Faculty of Science, Mahidol University, Bangkok, Thailand.,Institute of Molecular Biosciences, Mahidol University, Nakhon Pathom, Thailand.,The Academy of Science, The Royal Society of Thailand, Dusit, Bangkok, Thailand
| | - David N Sheppard
- School of Physiology, Pharmacology and Neuroscience, University of Bristol, Bristol, United Kingdom
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