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Wang Y, Chu T, Jin T, Xu S, Zheng C, Huang J, Li S, Wu L, Shen J, Cai X, Deng H. Cascade Reactions Catalyzed by Gold Hybrid Nanoparticles Generate CO Gas Against Periodontitis in Diabetes. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2308587. [PMID: 38647388 PMCID: PMC11199988 DOI: 10.1002/advs.202308587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 03/25/2024] [Indexed: 04/25/2024]
Abstract
The treatment of diabetic periodontitis poses a significant challenge due to the presence of local inflammation characterized by excessive glucose concentration, bacterial infection, and high oxidative stress. Herein, mesoporous silica nanoparticles (MSN) are embellished with gold nanoparticles (Au NPs) and loaded with manganese carbonyl to prepare a carbon monoxide (CO) enhanced multienzyme cooperative hybrid nanoplatform (MSN-Au@CO). The Glucose-like oxidase activity of Au NPs catalyzes the oxidation of glucose to hydrogen peroxide (H2O2) and gluconic acid,and then converts H2O2 to hydroxyl radicals (•OH) by peroxidase-like activity to destroy bacteria. Moreover, CO production in response to H2O2, together with Au NPs exhibited a synergistic anti-inflammatory effect in macrophages challenged by lipopolysaccharides. The underlying mechanism can be the induction of nuclear factor erythroid 2-related factor 2 to reduce reactive oxygen species, and inhibition of nuclear factor kappa-B signaling to diminish inflammatory response. Importantly, the antibacterial and anti-inflammation effects of MSN-Au@CO are validated in diabetic rats with ligature-induced periodontitis by showing decreased periodontal bone loss with good biocompatibility. To summarize, MSN-Au@CO is fabricate to utilize glucose-activated cascade reaction to eliminate bacteria, and synergize with gas therapy to regulate the immune microenvironment, offering a potential direction for the treatment of diabetic periodontitis.
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Affiliation(s)
- Yi Wang
- School and Hospital of StomatologyWenzhou Medical UniversityWenzhouZhejiang325024P. R. China
| | - Tengda Chu
- School and Hospital of StomatologyWenzhou Medical UniversityWenzhouZhejiang325024P. R. China
| | - Ting Jin
- School and Hospital of StomatologyWenzhou Medical UniversityWenzhouZhejiang325024P. R. China
| | - Shengming Xu
- School and Hospital of StomatologyWenzhou Medical UniversityWenzhouZhejiang325024P. R. China
| | - Cheng Zheng
- School and Hospital of StomatologyWenzhou Medical UniversityWenzhouZhejiang325024P. R. China
| | - Jianmin Huang
- School and Hospital of StomatologyWenzhou Medical UniversityWenzhouZhejiang325024P. R. China
| | - Sisi Li
- School and Hospital of StomatologyWenzhou Medical UniversityWenzhouZhejiang325024P. R. China
| | - Lixia Wu
- School and Hospital of StomatologyWenzhou Medical UniversityWenzhouZhejiang325024P. R. China
| | - Jianliang Shen
- Wenzhou InstituteUniversity of Chinese Academy of SciencesState Key Laboratory of OphthalmologyOptometry and Vision ScienceSchool of Ophthalmology & OptometrySchool of Biomedical EngineeringWenzhou Medical UniversityWenzhouZhejiang325024P. R. China
| | - Xiaojun Cai
- School and Hospital of StomatologyWenzhou Medical UniversityWenzhouZhejiang325024P. R. China
| | - Hui Deng
- School and Hospital of StomatologyWenzhou Medical UniversityWenzhouZhejiang325024P. R. China
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Yang YS, Pei YH, Gu YY, Zhu JF, Yu P, Chen XH. Association between short-term exposure to ambient air pollution and heart failure: An updated systematic review and meta-analysis of more than 7 million participants. Front Public Health 2023; 10:948765. [PMID: 36755739 PMCID: PMC9900180 DOI: 10.3389/fpubh.2022.948765] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 12/29/2022] [Indexed: 01/24/2023] Open
Abstract
Introduction Exposure to air pollution has been linked to the mortality of heart failure. In this study, we sought to update the existing systematic review and meta-analysis, published in 2013, to further assess the association between air pollution and acute decompensated heart failure, including hospitalization and heart failure mortality. Methods PubMed, Web of Science, EMBASE, and OVID databases were systematically searched till April 2022. We enrolled the studies regarding air pollution exposure and heart failure and extracted the original data to combine and obtain an overall risk estimate for each pollutant. Results We analyzed 51 studies and 7,555,442 patients. Our results indicated that heart failure hospitalization or death was associated with increases in carbon monoxide (3.46% per 1 part per million; 95% CI 1.0233-1.046, P < 0.001), sulfur dioxide (2.20% per 10 parts per billion; 95% CI 1.0106-1.0335, P < 0.001), nitrogen dioxide (2.07% per 10 parts per billion; 95% CI 1.0106-1.0335, P < 0.001), and ozone (0.95% per 10 parts per billion; 95% CI 1.0024-1.0166, P < 0.001) concentrations. Increases in particulate matter concentration were related to heart failure hospitalization or death (PM2.5 1.29% per 10 μg/m3, 95% CI 1.0093-1.0165, P < 0.001; PM10 1.30% per 10 μg/m3, 95% CI 1.0102-1.0157, P < 0.001). Conclusion The increase in the concentration of all pollutants, including gases (carbon monoxide, sulfur dioxide, nitrogen dioxide, ozone) and particulate matter [(PM2.5), (PM10)], is positively correlated with hospitalization rates and mortality of heart failure. Systematic review registration https://www.crd.york.ac.uk/PROSPERO/, identifier: CRD42021256241.
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Affiliation(s)
- Yu-shan Yang
- First Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, China,Department of Cardiology, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Ying-hao Pei
- Department of Intensive Care Unit, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Yuan-yuan Gu
- First Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, China,Department of Cardiology, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Jun-feng Zhu
- First Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, China,Department of Cardiology, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Peng Yu
- Department of Cardiology, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China,*Correspondence: Peng Yu ✉
| | - Xiao-hu Chen
- Department of Cardiology, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China,Xiao-hu Chen ✉
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Reiländer S, Schmehl W, Popp K, Nuss K, Kronen P, Verdino D, Wiezorek C, Gutmann M, Hahn L, Däubler C, Meining A, Raschig M, Kaiser F, von Rechenberg B, Scherf-Clavel O, Meinel L. Oral Use of Therapeutic Carbon Monoxide for Anyone, Anywhere, and Anytime. ACS Biomater Sci Eng 2022. [DOI: 10.1021/acsbiomaterials.2c00464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Simon Reiländer
- Institute for Pharmacy and Food Chemistry, University of Wuerzburg, Am Hubland, 97074Wuerzburg, Germany
| | - Wolfgang Schmehl
- Institute for Pharmacy and Food Chemistry, University of Wuerzburg, Am Hubland, 97074Wuerzburg, Germany
| | - Kevin Popp
- German Plastics Center (SKZ), Friedrich-Bergius-Ring 22, Wuerzburg97076, Germany
| | - Katja Nuss
- Musculoskeletal Research Unit (MSRU), Vetsuisse Faculty ZH, University of Zuerich, Winterthurerstrasse 260, Zuerich8057, Switzerland
- Competence Center for Applied Biotechnology and Molecular Medicine (CABMM), Vetsuisse Faculty ZH, University of Zuerich, Winterthurerstrasse 260, Zuerich8057, Switzerland
| | - Peter Kronen
- Musculoskeletal Research Unit (MSRU), Vetsuisse Faculty ZH, University of Zuerich, Winterthurerstrasse 260, Zuerich8057, Switzerland
- Competence Center for Applied Biotechnology and Molecular Medicine (CABMM), Vetsuisse Faculty ZH, University of Zuerich, Winterthurerstrasse 260, Zuerich8057, Switzerland
| | - Dagmar Verdino
- Musculoskeletal Research Unit (MSRU), Vetsuisse Faculty ZH, University of Zuerich, Winterthurerstrasse 260, Zuerich8057, Switzerland
- Competence Center for Applied Biotechnology and Molecular Medicine (CABMM), Vetsuisse Faculty ZH, University of Zuerich, Winterthurerstrasse 260, Zuerich8057, Switzerland
| | - Christina Wiezorek
- Musculoskeletal Research Unit (MSRU), Vetsuisse Faculty ZH, University of Zuerich, Winterthurerstrasse 260, Zuerich8057, Switzerland
- Competence Center for Applied Biotechnology and Molecular Medicine (CABMM), Vetsuisse Faculty ZH, University of Zuerich, Winterthurerstrasse 260, Zuerich8057, Switzerland
| | - Marcus Gutmann
- Institute for Pharmacy and Food Chemistry, University of Wuerzburg, Am Hubland, 97074Wuerzburg, Germany
| | - Lukas Hahn
- Institute for Pharmacy and Food Chemistry, University of Wuerzburg, Am Hubland, 97074Wuerzburg, Germany
| | - Christof Däubler
- Department of Internal Medicine II, Gastroenterology, University Hospital Wuerzburg, Oberdürrbacherstr. 6, Wuerzburg97080, Germany
| | - Alexander Meining
- Department of Internal Medicine II, Gastroenterology, University Hospital Wuerzburg, Oberdürrbacherstr. 6, Wuerzburg97080, Germany
| | - Martina Raschig
- Institute for Pharmacy and Food Chemistry, University of Wuerzburg, Am Hubland, 97074Wuerzburg, Germany
| | - Friederike Kaiser
- Department for Functional Materials in Medicine and Dentistry, University of Würzburg, Pleicherwall 2, Würzburg97070, Germany
| | - Brigitte von Rechenberg
- Musculoskeletal Research Unit (MSRU), Vetsuisse Faculty ZH, University of Zuerich, Winterthurerstrasse 260, Zuerich8057, Switzerland
- Competence Center for Applied Biotechnology and Molecular Medicine (CABMM), Vetsuisse Faculty ZH, University of Zuerich, Winterthurerstrasse 260, Zuerich8057, Switzerland
| | - Oliver Scherf-Clavel
- Institute for Pharmacy and Food Chemistry, University of Wuerzburg, Am Hubland, 97074Wuerzburg, Germany
| | - Lorenz Meinel
- Institute for Pharmacy and Food Chemistry, University of Wuerzburg, Am Hubland, 97074Wuerzburg, Germany
- Helmholtz Institute for RNA-based Infection Biology (HIRI), Würzburg97070, Germany
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Üstün E, Şakar D, Çol Ayvaz M, Sönmez Çelebi M, Ertürk Ö. CO-Releasing, Antioxidant, Antibacterial, Zeta Potential, Theoretical, and Electrochemical Analysis of [Mn(CO)3(bpy)L]OTf Type Complexes. Polyhedron 2022. [DOI: 10.1016/j.poly.2022.115997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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5
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Yun F, Huang D, Zhang M, Wang C, Deng Y, Gao R, Hou X, Liu Z, Liao W. Comprehensive transcriptome analysis unravels the crucial genes during adventitious root development induced by carbon monoxide in Cucumis sativus L. Mol Biol Rep 2022; 49:11327-11340. [PMID: 35906509 DOI: 10.1007/s11033-022-07797-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Accepted: 03/29/2022] [Indexed: 11/27/2022]
Abstract
BACKGROUND Carbon monoxide (CO) has been reported to be participated in adventitious rooting. However, knowledge about the interrelationship between CO and phytohormones during rooting is obscure. The molecular mechanism of CO-induced rooting is currently unclear. METHODS AND RESULTS The roles of CO in adventitious rooting in Cucumis sativus L. at the transcriptional level were investigated. The results show that 10 μM hematin (a CO donor) has a significant positive effect on adventitious rooting in cucumber. A total of 1792 differentially expressed genes (DEGs; 1103 up-regulated and 689 down-regulated) were identified in hematin treatment by RNA sequencing analysis. There were 37, 18 and 19 DEGs significantly enriched in plant hormone signal transduction, sucrose and starch metabolism, and phenylalanine metabolism, respectively. Both transcriptome and real-time quantitative PCR results showed that the expressions of AUX22D, IAA6, SAUR21, SAUR24, GH3.5, CYCD3-3, TIFY10a, TIFY10A and TIF9 promoted the accumulation of IAA, BR, JA and SA in plant hormone signal transduction. The up-regulation of HK3, TPPF, otsB, TPS7, TPS9 and the down-regulation of AGPS1, AGPS3 increased the content of starch and total sugar by mediating the activity of some critical enzymes, including HK, TPS, TPP and AGP. PER47, PER61, PER24, PER66, PER4 and CCR2 increased the lignin content. CONCLUSION Our results suggest that CO could promote the accumulation of plant hormones, starch, sugar and lignin during adventitious rooting by regulating the expression of some related genes, including AUX22D, IAA6, SAUR21, SAUR24, GH3.5, CYCD3-3, TIFY10a, TIFY10A, TIF9 HK3, otsB, TPS7, TPS9, AGPS1, AGPS3, PER47, PER61, PER24, PER66, PER4, and CCR2. Thus, we provides an interesting candidate gene list for further studies on the molecular mechanisms of adventitious rooting.
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Affiliation(s)
- Fahong Yun
- College of Horticulture, Gansu Agricultural University, 1 Yingmen Village, Anning District, Lanzhou, 730070, China
| | - Dengjing Huang
- College of Horticulture, Gansu Agricultural University, 1 Yingmen Village, Anning District, Lanzhou, 730070, China
| | - Meiling Zhang
- College of Science, Gansu Agricultural University, 1 Yingmen Village, Anning District, Lanzhou, 730070, China
| | - Chunlei Wang
- College of Horticulture, Gansu Agricultural University, 1 Yingmen Village, Anning District, Lanzhou, 730070, China
| | - Yuzheng Deng
- College of Horticulture, Gansu Agricultural University, 1 Yingmen Village, Anning District, Lanzhou, 730070, China
| | - Rong Gao
- College of Horticulture, Gansu Agricultural University, 1 Yingmen Village, Anning District, Lanzhou, 730070, China
| | - Xuemei Hou
- College of Horticulture, Gansu Agricultural University, 1 Yingmen Village, Anning District, Lanzhou, 730070, China
| | - Zesheng Liu
- College of Horticulture, Gansu Agricultural University, 1 Yingmen Village, Anning District, Lanzhou, 730070, China
| | - Weibiao Liao
- College of Horticulture, Gansu Agricultural University, 1 Yingmen Village, Anning District, Lanzhou, 730070, China.
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Buscail E, Deraison C. Postoperative Ileus: a Pharmacological Perspective. Br J Pharmacol 2022; 179:3283-3305. [PMID: 35048360 DOI: 10.1111/bph.15800] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 12/31/2021] [Accepted: 01/05/2022] [Indexed: 11/29/2022] Open
Abstract
Post-operative ileus (POI) is a frequent complication after abdominal surgery. The consequences of POI can be potentially serious such as bronchial inhalation or acute functional renal failure. Numerous advances in peri-operative management, particularly early rehabilitation, have made it possible to decrease POI. Despite this, the rate of prolonged POI ileus remains high and can be as high as 25% of patients in colorectal surgery. From a pathophysiological point of view, POI has two phases, an early neurological phase and a later inflammatory phase, to which we could add a "pharmacological" phase during which analgesic drugs, particularly opiates, play a central role. The aim of this review article is to describe the phases of the pathophysiology of POI, to analyse the pharmacological treatments currently available through published clinical trials and finally to discuss the different research areas for potential pharmacological targets.
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Affiliation(s)
- Etienne Buscail
- IRSD, INSERM, INRAE, ENVT, University of Toulouse, CHU Purpan (University Hospital Centre), Toulouse, France.,Department of digestive surgery, colorectal surgery unit, Toulouse University Hospital, Toulouse, France
| | - Céline Deraison
- IRSD, INSERM, INRAE, ENVT, University of Toulouse, CHU Purpan (University Hospital Centre), Toulouse, France
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7
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Ghezzi P. Redox regulation of immunity and the role of small molecular weight thiols. Redox Biol 2021; 44:102001. [PMID: 33994345 PMCID: PMC8212150 DOI: 10.1016/j.redox.2021.102001] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Revised: 03/31/2021] [Accepted: 05/02/2021] [Indexed: 01/07/2023] Open
Abstract
It is thought that excessive production of reactive oxygen species (ROS) can be a causal component in many diseases, some of which have an inflammatory component. This led to an oversimplification whereby ROS are seen as inflammatory and antioxidants anti-inflammatory. This paper aims at reviewing some of the literature on thiols in host defense. The review will first summarize the mechanisms by which we survive infections by pathogens. Then we will consider how the redox field evolved from the concept of oxidative stress to that of redox regulation and how it intersects the field of innate immunity. A third section will analyze how an oversimplified oxidative stress theory of disease led to a hypothesis on the role of ROS and glutathione (GSH) in immunity, respectively as pro- and anti-inflammatory mediators. Finally, we will discuss some recent research and how to think out of the box of that oversimplification and link the role of thiols in redox regulation to the mechanisms by which we survive an infection outlined in the first section.
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Affiliation(s)
- Pietro Ghezzi
- Brighton and Sussex Medical School, Brighton, Great Britain, BN1 9RY, UK.
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8
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Alghazwat O, Talebzadeh S, Oyer J, Copik A, Liao Y. Ultrasound responsive carbon monoxide releasing micelle. ULTRASONICS SONOCHEMISTRY 2021; 72:105427. [PMID: 33373872 PMCID: PMC7803797 DOI: 10.1016/j.ultsonch.2020.105427] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 12/09/2020] [Accepted: 12/10/2020] [Indexed: 05/08/2023]
Abstract
Carbon monoxide (CO), an endogenously produced gasotransmitter, has shown various therapeutic effects in previous studies. In this work, we developed an ultrasound responsive micelle for localized CO delivery. The micelle is composed of a pluronic shell and a core of a CO releasing molecule, CORM-2. The mechanism is based on the ultrasound response of pluronics, and the reaction between CORM-2 and certain biomolecules, e.g. cysteine. The latter allows CO release without significantly breaking the micelles. In a 3.5 mM cysteine solution, the micelles released low level of CO, indicating effective encapsulation of CORM-2. Treatment with a low intensity, non-focused ultrasound led to four times as much CO as the sample without ultrasonication, which is close to that of unencapsulated CORM-2. Significantly reduced proliferation of prostate cancer cells (PC-3) was observed 24 h after the PC-3 cells were treated with the CORM-2 micelles followed by ultrasound activation.
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Affiliation(s)
| | | | | | | | - Yi Liao
- Florida Institute of Technology, Melbourne, FL, USA.
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9
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Takagi T, Naito Y, Higashimura Y, Uchiyama K, Okayama T, Mizushima K, Katada K, Kamada K, Ishikawa T, Itoh Y. Rectal administration of carbon monoxide inhibits the development of intestinal inflammation and promotes intestinal wound healing via the activation of the Rho-kinase pathway in rats. Nitric Oxide 2021; 107:19-30. [PMID: 33340673 DOI: 10.1016/j.niox.2020.12.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 12/12/2020] [Accepted: 12/14/2020] [Indexed: 11/24/2022]
Abstract
The inhalation of carbon monoxide (CO) gas and the administration of CO-releasing molecules were shown to inhibit the development of intestinal inflammation in a murine colitis model. However, it remains unclear whether CO promotes intestinal wound healing. Herein, we aimed to evaluate the therapeutic effects of the topical application of CO-saturated saline enemas on intestinal inflammation and elucidate the underlying mechanism. Acute colitis was induced with trinitrobenzene sulfonic acid (TNBS) in male Wistar rats. A CO-saturated solution was prepared via bubbling 50% CO gas into saline and was rectally administrated twice a day after colitis induction; rats were sacrificed 3 or 7 days after induction for the study of the acute or healing phases, respectively. The distal colon was isolated, and ulcerated lesions were measured. In vitro wound healing assays were also employed to determine the mechanism underlying rat intestinal epithelial cell restitution after CO treatment. CO solution rectal administration ameliorated acute TNBS-induced colonic ulceration and accelerated ulcer healing without elevating serum CO levels. The increase in thiobarbituric acid-reactive substances and myeloperoxidase activity after induction of acute TNBS colitis was also significantly inhibited after CO treatment. Moreover, the wound healing assays revealed that the CO-saturated medium enhanced rat intestinal epithelial cell migration via the activation of Rho-kinase. In addition, the activation of Rho-kinase in response to CO treatment was confirmed in the inflamed colonic tissue. Therefore, the rectal administration of a CO-saturated solution protects the intestinal mucosa from inflammation and accelerates colonic ulcer healing through enhanced epithelial cell restitution. CO may thus represent a novel therapeutic agent for the treatment of inflammatory bowel disease.
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Affiliation(s)
- Tomohisa Takagi
- Department for Medical Innovation and Translational Medical Science, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, 602-8566, Japan; Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, 602-8566, Japan.
| | - Yuji Naito
- Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, 602-8566, Japan
| | - Yasuki Higashimura
- Department of Food Science, Ishikawa Prefectural University, Nonoichi, 921-8836, Japan
| | - Kazuhiko Uchiyama
- Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, 602-8566, Japan
| | - Tetsuya Okayama
- Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, 602-8566, Japan
| | - Katsura Mizushima
- Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, 602-8566, Japan
| | - Kazuhiro Katada
- Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, 602-8566, Japan
| | - Kazuhiro Kamada
- Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, 602-8566, Japan
| | - Takeshi Ishikawa
- Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, 602-8566, Japan
| | - Yoshito Itoh
- Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, 602-8566, Japan
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Bakalarz D, Surmiak M, Yang X, Wójcik D, Korbut E, Śliwowski Z, Ginter G, Buszewicz G, Brzozowski T, Cieszkowski J, Głowacka U, Magierowska K, Pan Z, Wang B, Magierowski M. Organic carbon monoxide prodrug, BW-CO-111, in protection against chemically-induced gastric mucosal damage. Acta Pharm Sin B 2021; 11:456-475. [PMID: 33643824 PMCID: PMC7893125 DOI: 10.1016/j.apsb.2020.08.005] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 05/18/2020] [Accepted: 07/17/2020] [Indexed: 02/07/2023] Open
Abstract
Metal-based carbon monoxide (CO)-releasing molecules have been shown to exert anti-inflammatory and anti-oxidative properties maintaining gastric mucosal integrity. We are interested in further development of metal-free CO-based therapeutics for oral administration. Thus, we examine the protective effect of representative CO prodrug, BW-CO-111, in rat models of gastric damage induced by necrotic ethanol or aspirin, a representative non-steroidal anti-inflammatory drug. Treatment effectiveness was assessed by measuring the microscopic/macroscopic gastric damage area and gastric blood flow by laser flowmetry. Gastric mucosal mRNA and/or protein expressions of HMOX1, HMOX2, nuclear factor erythroid 2-related factor 2, COX1, COX2, iNos, Anxa1 and serum contents of TGFB1, TGFB2, IL1B, IL2, IL4, IL5, IL6, IL10, IL12, tumor necrosis factor α, interferon γ, and GM-CSF were determined. CO content in gastric mucosa was assessed by gas chromatography. Pretreatment with BW-CO-111 (0.1 mg/kg, i.g.) increased gastric mucosal content of CO and reduced gastric lesions area in both models followed by increased GBF. These protective effects of the CO prodrug were supported by changes in expressions of molecular biomarkers. However, because the pathomechanisms of gastric damage differ between topical administration of ethanol and aspirin, the possible protective and anti-inflammatory mechanisms of BW-CO-111 may be somewhat different in these models.
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Affiliation(s)
- Dominik Bakalarz
- Department of Physiology, Jagiellonian University Medical College, Cracow 31-531, Poland
- Department of Forensic Toxicology, Institute of Forensic Research, Cracow 31-033, Poland
| | - Marcin Surmiak
- Department of Physiology, Jagiellonian University Medical College, Cracow 31-531, Poland
- Department of Internal Medicine, Jagiellonian University Medical College, Cracow 31-531, Poland
| | - Xiaoxiao Yang
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA 30303, USA
| | - Dagmara Wójcik
- Department of Physiology, Jagiellonian University Medical College, Cracow 31-531, Poland
| | - Edyta Korbut
- Department of Physiology, Jagiellonian University Medical College, Cracow 31-531, Poland
| | - Zbigniew Śliwowski
- Department of Physiology, Jagiellonian University Medical College, Cracow 31-531, Poland
| | - Grzegorz Ginter
- Department of Physiology, Jagiellonian University Medical College, Cracow 31-531, Poland
| | - Grzegorz Buszewicz
- Department of Forensic Medicine, Medical University of Lublin, Lublin 20-093, Poland
| | - Tomasz Brzozowski
- Department of Physiology, Jagiellonian University Medical College, Cracow 31-531, Poland
| | - Jakub Cieszkowski
- Department of Physiology, Jagiellonian University Medical College, Cracow 31-531, Poland
| | - Urszula Głowacka
- Department of Physiology, Jagiellonian University Medical College, Cracow 31-531, Poland
| | - Katarzyna Magierowska
- Department of Physiology, Jagiellonian University Medical College, Cracow 31-531, Poland
| | - Zhixiang Pan
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA 30303, USA
| | - Binghe Wang
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA 30303, USA
- Corresponding authors.
| | - Marcin Magierowski
- Department of Physiology, Jagiellonian University Medical College, Cracow 31-531, Poland
- Corresponding authors.
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Hopper CP, De La Cruz LK, Lyles KV, Wareham LK, Gilbert JA, Eichenbaum Z, Magierowski M, Poole RK, Wollborn J, Wang B. Role of Carbon Monoxide in Host-Gut Microbiome Communication. Chem Rev 2020; 120:13273-13311. [PMID: 33089988 DOI: 10.1021/acs.chemrev.0c00586] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Nature is full of examples of symbiotic relationships. The critical symbiotic relation between host and mutualistic bacteria is attracting increasing attention to the degree that the gut microbiome is proposed by some as a new organ system. The microbiome exerts its systemic effect through a diverse range of metabolites, which include gaseous molecules such as H2, CO2, NH3, CH4, NO, H2S, and CO. In turn, the human host can influence the microbiome through these gaseous molecules as well in a reciprocal manner. Among these gaseous molecules, NO, H2S, and CO occupy a special place because of their widely known physiological functions in the host and their overlap and similarity in both targets and functions. The roles that NO and H2S play have been extensively examined by others. Herein, the roles of CO in host-gut microbiome communication are examined through a discussion of (1) host production and function of CO, (2) available CO donors as research tools, (3) CO production from diet and bacterial sources, (4) effect of CO on bacteria including CO sensing, and (5) gut microbiome production of CO. There is a large amount of literature suggesting the "messenger" role of CO in host-gut microbiome communication. However, much more work is needed to begin achieving a systematic understanding of this issue.
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Affiliation(s)
- Christopher P Hopper
- Institute for Experimental Biomedicine, University Hospital Wuerzburg, Wuerzburg, Bavaria DE 97080, Germany.,Department of Medicinal Chemistry, College of Pharmacy, The University of Florida, Gainesville, Florida 32611, United States
| | - Ladie Kimberly De La Cruz
- Department of Chemistry & Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia 30303, United States
| | - Kristin V Lyles
- Department of Biology, Georgia State University, Atlanta, Georgia 30303, United States
| | - Lauren K Wareham
- The Vanderbilt Eye Institute and Department of Ophthalmology & Visual Sciences, The Vanderbilt University Medical Center and School of Medicine, Nashville, Tennessee 37232, United States
| | - Jack A Gilbert
- Department of Pediatrics, Scripps Institution of Oceanography, University of California San Diego, La Jolla, California 92093, United States
| | - Zehava Eichenbaum
- Department of Biology, Georgia State University, Atlanta, Georgia 30303, United States
| | - Marcin Magierowski
- Cellular Engineering and Isotope Diagnostics Laboratory, Department of Physiology, Jagiellonian University Medical College, Cracow PL 31-531, Poland
| | - Robert K Poole
- Department of Molecular Biology and Biotechnology, The University of Sheffield, Firth Court, Sheffield S10 2TN, U.K
| | - Jakob Wollborn
- Department of Anesthesiology and Critical Care, Medical Center, University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg DE 79085, Germany.,Department of Anesthesiology, Perioperative and Pain Management, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Binghe Wang
- Department of Chemistry & Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia 30303, United States
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12
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Magierowska K, Bakalarz D, Wójcik D, Korbut E, Danielak A, Głowacka U, Pajdo R, Buszewicz G, Ginter G, Surmiak M, Kwiecień S, Chmura A, Magierowski M, Brzozowski T. Evidence for Cytoprotective Effect of Carbon Monoxide Donor in the Development of Acute Esophagitis Leading to Acute Esophageal Epithelium Lesions. Cells 2020; 9:cells9051203. [PMID: 32408627 PMCID: PMC7291282 DOI: 10.3390/cells9051203] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 05/09/2020] [Accepted: 05/10/2020] [Indexed: 12/19/2022] Open
Abstract
Exposure to acidic gastric content due to malfunction of lower esophageal sphincter leads to acute reflux esophagitis (RE) leading to disruption of esophageal epithelial cells. Carbon monoxide (CO) produced by heme oxygenase (HMOX) activity or released from its donor, tricarbonyldichlororuthenium (II) dimer (CORM-2) was reported to protect gastric mucosa against acid-dependent non-steroidal anti-inflammatory drug-induced damage. Thus, we aimed to investigate if CO affects RE-induced esophageal epithelium lesions development. RE induced in Wistar rats by the ligation of a junction between pylorus and forestomach were pretreated i.g. with vehicle CORM-2; RuCl3; zinc protoporphyrin IX, or hemin. CORM-2 was combined with NG-nitro-L-arginine (L-NNA), indomethacin, capsazepine, or capsaicin-induced sensory nerve ablation. Esophageal lesion score (ELS), esophageal blood flow (EBF), and mucus production were determined by planimetry, laser flowmetry, histology. Esophageal Nrf-2, HMOXs, COXs, NOSs, TNF-α and its receptor, IL-1 family and IL-1 receptor antagonist (RA), NF-κB, HIF-1α, annexin-A1, suppressor of cytokine signaling (SOCS3), TRPV1, c-Jun, c-Fos mRNA/protein expressions, PGE2, 8-hydroxy-deoxyguanozine (8-OHdG) and serum COHb, TGF-β1, TGF-β2, IL-1β, and IL-6 content were assessed by PCR, immunoblotting, immunohistochemistry, gas chromatography, ELISA or Luminex platform. Hemin or CORM-2 alone or combined with L-NNA or indomethacin decreased ELS. Capsazepine or capsaicin-induced denervation reversed CORM-2 effects. COHb blood content, esophageal HMOX-1, Nrf-2, TRPV1 protein, annexin-A1, HIF-1α, IL-1 family, NF-κB, c-Jun, c-Fos, SOCS3 mRNA expressions, and 8-OHdG levels were elevated while PGE2 concentration was decreased after RE. CO donor-maintained elevated mucosal TRPV1 protein, HIF-1 α, annexin-A1, IL-1RA, SOCS3 mRNA expression, or TGF-β serum content, decreasing 8-OHdG level, and particular inflammatory markers expression/concentration. CORM-2 and Nrf-2/HMOX-1/CO pathway prevent esophageal mucosa against RE-induced lesions, DNA oxidation, and inflammatory response involving HIF-1α, annexin-A1, SOCS3, IL-1RA, TGF-β-modulated pathways. Esophagoprotective and hyperemic CO effects are in part mediated by afferent sensory neurons and TRPV1 receptors activity with questionable COX/PGE2 or NO/NOS systems involvement.
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Affiliation(s)
- Katarzyna Magierowska
- Department of Physiology, Jagiellonian University Medical College, 31-531 Cracow, Poland; (D.B.); (D.W.); (E.K.); (A.D.); (U.G.); (R.P.); (G.G.); (M.S.); (S.K.); (A.C.); (M.M.)
- Correspondence: (K.M.); (T.B.); Tel.: +48124211006 (T.B.)
| | - Dominik Bakalarz
- Department of Physiology, Jagiellonian University Medical College, 31-531 Cracow, Poland; (D.B.); (D.W.); (E.K.); (A.D.); (U.G.); (R.P.); (G.G.); (M.S.); (S.K.); (A.C.); (M.M.)
- Department of Forensic Toxicology, Institute of Forensic Research, 31-033 Cracow, Poland
| | - Dagmara Wójcik
- Department of Physiology, Jagiellonian University Medical College, 31-531 Cracow, Poland; (D.B.); (D.W.); (E.K.); (A.D.); (U.G.); (R.P.); (G.G.); (M.S.); (S.K.); (A.C.); (M.M.)
| | - Edyta Korbut
- Department of Physiology, Jagiellonian University Medical College, 31-531 Cracow, Poland; (D.B.); (D.W.); (E.K.); (A.D.); (U.G.); (R.P.); (G.G.); (M.S.); (S.K.); (A.C.); (M.M.)
| | - Aleksandra Danielak
- Department of Physiology, Jagiellonian University Medical College, 31-531 Cracow, Poland; (D.B.); (D.W.); (E.K.); (A.D.); (U.G.); (R.P.); (G.G.); (M.S.); (S.K.); (A.C.); (M.M.)
| | - Urszula Głowacka
- Department of Physiology, Jagiellonian University Medical College, 31-531 Cracow, Poland; (D.B.); (D.W.); (E.K.); (A.D.); (U.G.); (R.P.); (G.G.); (M.S.); (S.K.); (A.C.); (M.M.)
| | - Robert Pajdo
- Department of Physiology, Jagiellonian University Medical College, 31-531 Cracow, Poland; (D.B.); (D.W.); (E.K.); (A.D.); (U.G.); (R.P.); (G.G.); (M.S.); (S.K.); (A.C.); (M.M.)
| | - Grzegorz Buszewicz
- Department of Forensic Medicine, Medical University of Lublin, 20-090 Lublin, Poland;
| | - Grzegorz Ginter
- Department of Physiology, Jagiellonian University Medical College, 31-531 Cracow, Poland; (D.B.); (D.W.); (E.K.); (A.D.); (U.G.); (R.P.); (G.G.); (M.S.); (S.K.); (A.C.); (M.M.)
| | - Marcin Surmiak
- Department of Physiology, Jagiellonian University Medical College, 31-531 Cracow, Poland; (D.B.); (D.W.); (E.K.); (A.D.); (U.G.); (R.P.); (G.G.); (M.S.); (S.K.); (A.C.); (M.M.)
- Department of Internal Medicine, Jagiellonian University Medical College, 31-066 Cracow, Poland
| | - Sławomir Kwiecień
- Department of Physiology, Jagiellonian University Medical College, 31-531 Cracow, Poland; (D.B.); (D.W.); (E.K.); (A.D.); (U.G.); (R.P.); (G.G.); (M.S.); (S.K.); (A.C.); (M.M.)
| | - Anna Chmura
- Department of Physiology, Jagiellonian University Medical College, 31-531 Cracow, Poland; (D.B.); (D.W.); (E.K.); (A.D.); (U.G.); (R.P.); (G.G.); (M.S.); (S.K.); (A.C.); (M.M.)
| | - Marcin Magierowski
- Department of Physiology, Jagiellonian University Medical College, 31-531 Cracow, Poland; (D.B.); (D.W.); (E.K.); (A.D.); (U.G.); (R.P.); (G.G.); (M.S.); (S.K.); (A.C.); (M.M.)
| | - Tomasz Brzozowski
- Department of Physiology, Jagiellonian University Medical College, 31-531 Cracow, Poland; (D.B.); (D.W.); (E.K.); (A.D.); (U.G.); (R.P.); (G.G.); (M.S.); (S.K.); (A.C.); (M.M.)
- Correspondence: (K.M.); (T.B.); Tel.: +48124211006 (T.B.)
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13
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Carbon Monoxide Being Hydrogen Sulfide and Nitric Oxide Molecular Sibling, as Endogenous and Exogenous Modulator of Oxidative Stress and Antioxidative Mechanisms in the Digestive System. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:5083876. [PMID: 32377300 PMCID: PMC7180415 DOI: 10.1155/2020/5083876] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 02/06/2020] [Accepted: 02/13/2020] [Indexed: 12/17/2022]
Abstract
Oxidative stress reflects an imbalance between oxidants and antioxidants in favor of the oxidants capable of evoking tissue damage. Like hydrogen sulfide (H2S) and nitric oxide (NO), carbon monoxide (CO) is an endogenous gaseous mediator recently implicated in the physiology of the gastrointestinal (GI) tract. CO is produced in mammalian tissues as a byproduct of heme degradation catalyzed by the heme oxygenase (HO) enzymes. Among the three enzymatic isoforms, heme oxygenase-1 (HO-1) is induced under conditions of oxidative stress or tissue injury and plays a beneficial role in the mechanism of protection against inflammation, ischemia/reperfusion (I/R), and many other injuries. According to recently published data, increased endogenous CO production by inducible HO-1, its delivery by novel pharmacological CO-releasing agents, or even the direct inhalation of CO has been considered a promising alternative in future experimental and clinical therapies against various GI disorders. However, the exact mechanisms underlying behind these CO-mediated beneficial actions are not fully explained and experimental as well as clinical studies on the mechanism of CO-induced protection are awaited. For instance, in a variety of experimental models related to gastric mucosal damage, HO-1/CO pathway and CO-releasing agents seem to prevent gastric damage mainly by reduction of lipid peroxidation and/or increased level of enzymatic antioxidants, such as superoxide dismutase (SOD) or glutathione peroxidase (GPx). Many studies have also revealed that HO-1/CO can serve as a potential defensive pathway against oxidative stress observed in the liver and pancreas. Moreover, increased CO levels after treatment with CO donors have been reported to protect the gut against formation of acute GI lesions mainly by the regulation of reactive oxygen species (ROS) production and the antioxidative activity. In this review, we focused on the role of H2S and NO molecular sibling, CO/HO pathway, and therapeutic potential of CO-releasing pharmacological tools in the regulation of oxidative stress-induced damage within the GI tract with a special emphasis on the esophagus, stomach, and intestines and also two solid and important metabolic abdominal organs, the liver and pancreas.
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14
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SCHMIDT WALTERFJ, HOFFMEISTER TORBEN, HAUPT SANDRA, SCHWENKE DIRK, WACHSMUTH NADINEB, BYRNES WILLIAMC. Chronic Exposure to Low-Dose Carbon Monoxide Alters Hemoglobin Mass and V˙O2max. Med Sci Sports Exerc 2020; 52:1879-1887. [DOI: 10.1249/mss.0000000000002330] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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15
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Goodrich JA, Frisco DJ, Ryan SPP, Newman AA, Trikha SRJ, Braun B, Bell C, Byrnes WC. Intermittent low dose carbon monoxide inhalation does not influence glucose regulation in overweight adults: a randomized controlled crossover trial. Exp Physiol 2020; 105:460-467. [PMID: 31912958 DOI: 10.1113/ep088329] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Accepted: 01/03/2020] [Indexed: 01/03/2023]
Abstract
NEW FINDINGS What is the central question of this study? Low dose carbon monoxide (CO) inhalation plays a role in regulating proteins involved in glucose metabolism; does low dose CO improve glucose and insulin responses to an oral glucose tolerance test in overweight adults? What is the main finding and its importance? Five days of intermittent CO inhalation does not alter the glucose or insulin responses to ingestion of a glucose bolus in overweight adults. Low dose CO is utilized in various physiological assessment procedures; these findings allow researchers and clinicians to utilize these procedures without concern of altering glucose metabolism. ABSTRACT Low dose carbon monoxide (CO) inhalation upregulates several proteins important for glucose metabolism. Such changes could be clinically significant and may be relevant to those who use CO as a research tool. We hypothesized that low dose CO inhalation would improve glucose and insulin responses to an oral glucose bolus in overweight humans. Eleven young adults (5 men, 6 women; body mass index: 25-35 kg m-2 ) were included in this randomized, placebo-controlled, single-blinded crossover study. Following screening, participants completed two 7-day protocols with a 4-week washout. Twenty-four hours prior to and following five consecutive days of either once daily CO (men: 1.2 ml (kg body mass)-1 ; women: 1.0 ml (kg body mass)-1 ) or placebo (room air) inhalation, participants underwent oral glucose tolerance tests (OGTT). For key outcome variables, there were no significant main effects or interactions across condition or time point (mean ± SD), including fasting glucose (mg dl-1 : pre-placebo: 85.2 ± 10.1; post-placebo: 82.9 ± 10.6; pre-CO: 83.6 ± 7.7; post-CO: 84.0 ± 9.0), 2 h post glucose (mg dl-1 : pre-placebo: 100.9 ± 20.0; post-placebo: 98.7 ± 13.1; pre-CO: 94.2 ± 23.2; post-CO: 94.4 ± 14.9), or the Matsuda index (pre-placebo: 16.1 ± 11.5; post-placebo: 20.3 ± 24.7; pre-CO: 15.6 ± 15.3; post-CO: 17.5 ± 16.8). In conclusion, 5 days of low dose CO administration did not influence glucose and insulin responses to an OGTT in overweight adults. Low dose CO inhalation is utilized in a variety of physiological assessment procedures; these findings allow researchers to utilize these procedures without concern of altering glucose metabolism.
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Affiliation(s)
- J A Goodrich
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
| | - D J Frisco
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
| | - S P P Ryan
- Department of Health and Exercise Science, Colorado State University, Fort Collins, CO, USA
| | - A A Newman
- Department of Health and Exercise Science, Colorado State University, Fort Collins, CO, USA
| | - S R J Trikha
- Department of Health and Exercise Science, Colorado State University, Fort Collins, CO, USA
| | - B Braun
- Department of Health and Exercise Science, Colorado State University, Fort Collins, CO, USA
| | - C Bell
- Department of Health and Exercise Science, Colorado State University, Fort Collins, CO, USA
| | - W C Byrnes
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
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16
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Carné-Sánchez A, Carmona FJ, Kim C, Furukawa S. Porous materials as carriers of gasotransmitters towards gas biology and therapeutic applications. Chem Commun (Camb) 2020; 56:9750-9766. [DOI: 10.1039/d0cc03740k] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
This review highlights the strategies employed to load and release gasotransmitters such as NO, CO and H2S from different kinds of porous materials, including zeolites, mesoporous silica, metal–organic frameworks and protein assemblies.
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Affiliation(s)
- Arnau Carné-Sánchez
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS)
- Kyoto University
- Kyoto
- Japan
- Catalan Institute of Nanoscience and Nanotechnology (ICN2)
| | - Francisco J. Carmona
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS)
- Kyoto University
- Kyoto
- Japan
| | - Chiwon Kim
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS)
- Kyoto University
- Kyoto
- Japan
- Department of Synthetic Chemistry and Biological Chemistry
| | - Shuhei Furukawa
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS)
- Kyoto University
- Kyoto
- Japan
- Department of Synthetic Chemistry and Biological Chemistry
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17
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Magierowska K, Korbut E, Hubalewska-Mazgaj M, Surmiak M, Chmura A, Bakalarz D, Buszewicz G, Wójcik D, Śliwowski Z, Ginter G, Gromowski T, Kwiecień S, Brzozowski T, Magierowski M. Oxidative gastric mucosal damage induced by ischemia/reperfusion and the mechanisms of its prevention by carbon monoxide-releasing tricarbonyldichlororuthenium (II) dimer. Free Radic Biol Med 2019; 145:198-208. [PMID: 31568823 DOI: 10.1016/j.freeradbiomed.2019.09.032] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Revised: 09/25/2019] [Accepted: 09/26/2019] [Indexed: 02/08/2023]
Abstract
Endogenous gaseous mediators, such as nitric oxide, hydrogen sulfide or carbon monoxide (CO) are known to exert anti-inflammatory and anti-oxidative activity due to modulation of various molecular pahtways. Therefore, we aimed to investigate if CO released from tricarbonyldichlororuthenium (II) dimer (CORM-2) prevents gastric mucosa against ischemia/reperfusion (I/R)-induced injury in male Wistar rats. Animals were pretreated i.g. With vehicle (DMSO and saline, 1:10), CORM-2 (1, 5 or 10 mg/kg) or zinc protoporphyrin IX (ZnPP, 10 mg/kg i.p.), the HMOXs inhibitor. In separate series, rats were pretreated with CORM-2 (5 mg/kg) applied in combination with glibenclamide (10 mg/kg i.g.), NG-nitro-l-arginine (L-NNA, 20 mg/kg i.p.), 1H-[1,2,4]oxadiazolo[4,3-a]quinoxalin-1-one (ODQ, 10 mg/kg i.p.) or indomethacin (5 mg/kg i.p.). I/R-injuries were induced by clamping celiac artery for 30 min (I) followed by removal of the clamp to obtain R for 3 h. The macroscopic and microscopic area of gastric damage, mucus production and protein expression for HMOX-1/Nrf-2 was determined by planimetry, histology and immunohistochemistry, respectively. Gastric mucosal HMOX-1, HMOX-2, COX-1, COX-2, Kir6.1, Sur2, sGC-α1, sGC-α2, iNOS and eNOS mRNA expression was assessed by real-time PCR. COHb in blood and gastric mucosal CO concentration was analyzed by gas chromatography. Serum content of TGF-β1, TGF-β2, TGF-β3, IL-1α, IL-1β, IL-2, IL-4, IL-5, IL-6, IL-10, IL-12, TNF-α, IFN-γ, GM-CSF was evaluated using Luminex platform. PGE2 concentration and 8-hydroxyguanozine (8-OHG) concentration in gastric mucosa was determined by ELISA. Exposure to I/R induced extensive hemorrhagic erosions in gastric mucosa pretreated with vehicle as compared with intact rats and the area of this gastric damage was reduced by pretreatment with CORM-2 (5 mg/kg i.g.). This effect of CO donor was accompanied by the increased PGE2 content and a significant decrease in 8-OHG and expression of pro- and anti-inflammatory markers mRNA and proteins. Concurrent treatment of CORM-2 with glibenclamide, L-NNA, ODQ but not with indomethacin significantly increased the area of I/R-induced injury and significantly decreased GBF as compared with the group treated with CORM-2 alone. We conclude that CO releasing CORM-2 prevents gastric mucosal oxidative damage induced by I/R improving GBF, decreasing DNA oxidation and inflammatory response on systemic level. This CO-gastroprotection is mediated by the activity of sGC, NOS and K-ATP channels. CO delivered from its donor maintained physiological gastric mucosal PGE2 concentration but the involvement of endogenous COX in beneficial activity of this gaseous mediator at least in this model is questionable.
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Affiliation(s)
| | - Edyta Korbut
- Department of Physiology, Jagiellonian University Medical College, Cracow, Poland
| | | | - Marcin Surmiak
- Department of Physiology, Jagiellonian University Medical College, Cracow, Poland
| | - Anna Chmura
- Department of Physiology, Jagiellonian University Medical College, Cracow, Poland
| | - Dominik Bakalarz
- Department of Physiology, Jagiellonian University Medical College, Cracow, Poland; Department of Forensic Toxicology, Institute of Forensic Research, Cracow, Poland
| | - Grzegorz Buszewicz
- Department of Forensic Medicine, Medical University of Lublin, Lublin, Poland
| | - Dagmara Wójcik
- Department of Physiology, Jagiellonian University Medical College, Cracow, Poland
| | - Zbigniew Śliwowski
- Department of Physiology, Jagiellonian University Medical College, Cracow, Poland
| | - Grzegorz Ginter
- Department of Physiology, Jagiellonian University Medical College, Cracow, Poland
| | - Tomasz Gromowski
- Human Genome Variation Research Group & Genomics Centre, Malopolska Centre of Biotechnology, Jagiellonian University, Cracow, Poland
| | - Sławomir Kwiecień
- Department of Physiology, Jagiellonian University Medical College, Cracow, Poland
| | - Tomasz Brzozowski
- Department of Physiology, Jagiellonian University Medical College, Cracow, Poland
| | - Marcin Magierowski
- Department of Physiology, Jagiellonian University Medical College, Cracow, Poland.
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18
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Jiang Q, Xia Y, Barrett J, Mikhailovsky A, Wu G, Wang D, Shi P, Ford PC. Near-Infrared and Visible Photoactivation to Uncage Carbon Monoxide from an Aqueous-Soluble PhotoCORM. Inorg Chem 2019; 58:11066-11075. [DOI: 10.1021/acs.inorgchem.9b01581] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Qin Jiang
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106, United States
- School of Chemistry and Chemical Engineering, Jiangsu Ocean University, Lianyungang" 222005, Jiangsu, People’s Republic China
| | - Yingzi Xia
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106, United States
| | - Jacob Barrett
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106, United States
| | - Alexander Mikhailovsky
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106, United States
| | - Guang Wu
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106, United States
| | - Daqi Wang
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252000, Shandong, People’s Republic China
| | - Pengfei Shi
- School of Chemistry and Chemical Engineering, Jiangsu Ocean University, Lianyungang" 222005, Jiangsu, People’s Republic China
| | - Peter C. Ford
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106, United States
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19
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Fujiwara A, Hatayama N, Matsuura N, Yokota N, Fukushige K, Yakura T, Tarumi S, Go T, Hirai S, Naito M, Yokomise H. High-Pressure Carbon Monoxide and Oxygen Mixture is Effective for Lung Preservation. Int J Mol Sci 2019; 20:ijms20112719. [PMID: 31163581 PMCID: PMC6600409 DOI: 10.3390/ijms20112719] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 05/29/2019] [Accepted: 05/30/2019] [Indexed: 12/22/2022] Open
Abstract
(1) Background: Heme oxygenase-1 (HO-1) degrades heme and generates carbon monoxide (CO), producing various anti-inflammatory, anti-oxidative, and anti-apoptotic effects. This study aimed to confirm the effects of CO on the ischemia–reperfusion injury (IRI) of donor lungs using a high-pressure gas (HPG) preservation method. (2) Methods: Donor rat and canine lungs were preserved in a chamber filled with CO (1.5 atm) and oxygen (O2; 2 atm) and were ventilated with either CO and O2 mixture (CO/O2 group) or air (air group) immediately before storage. Rat lungs were subjected to heterotopic cervical transplantation and evaluated after reperfusion, whereas canine lungs were subjected to allogeneic transplantation and evaluated. (3) Results: Alveolar hemorrhage in the CO/O2 group was significantly milder than that in the air group. mRNA expression levels of HO-1 remained unchanged in both the groups; however, inflammatory mediator levels were significantly lower in the CO/O2 group than in the air group. The oxygenation of graft lungs was comparable between the two groups, but lactic acid level tended to be higher in the air group. (4) Conclusions: The HO-1/CO system in the HPG preservation method is effective in suppressing IRI and preserving donor lungs.
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Affiliation(s)
- Atsushi Fujiwara
- Department of General Thoracic, Breast and Endocrinological Surgery, Kagawa University, Kagawa 761-0793, Japan.
- Department of Anatomy, Aichi Medical University, Aichi 480-1195, Japan.
| | - Naoyuki Hatayama
- Department of Anatomy, Aichi Medical University, Aichi 480-1195, Japan.
| | - Natsumi Matsuura
- Department of General Thoracic, Breast and Endocrinological Surgery, Kagawa University, Kagawa 761-0793, Japan.
| | - Naoya Yokota
- Department of General Thoracic, Breast and Endocrinological Surgery, Kagawa University, Kagawa 761-0793, Japan.
| | - Kaori Fukushige
- Department of Anatomy, Aichi Medical University, Aichi 480-1195, Japan.
| | - Tomiko Yakura
- Department of Anatomy, Aichi Medical University, Aichi 480-1195, Japan.
| | - Shintaro Tarumi
- Department of General Thoracic, Breast and Endocrinological Surgery, Kagawa University, Kagawa 761-0793, Japan.
| | - Tetsuhiko Go
- Department of General Thoracic, Breast and Endocrinological Surgery, Kagawa University, Kagawa 761-0793, Japan.
| | - Shuichi Hirai
- Department of Anatomy, Aichi Medical University, Aichi 480-1195, Japan.
| | - Munekazu Naito
- Department of Anatomy, Aichi Medical University, Aichi 480-1195, Japan.
| | - Hiroyasu Yokomise
- Department of General Thoracic, Breast and Endocrinological Surgery, Kagawa University, Kagawa 761-0793, Japan.
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Magierowska K, Bakalarz D, Wójcik D, Chmura A, Hubalewska-Mazgaj M, Licholai S, Korbut E, Kwiecien S, Sliwowski Z, Ginter G, Brzozowski T, Magierowski M. Time-dependent course of gastric ulcer healing and molecular markers profile modulated by increased gastric mucosal content of carbon monoxide released from its pharmacological donor. Biochem Pharmacol 2019; 163:71-83. [PMID: 30753813 DOI: 10.1016/j.bcp.2019.02.011] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Accepted: 02/08/2019] [Indexed: 01/16/2023]
Abstract
BACKGROUND AND PURPOSE Besides hydrogen sulfide (H2S) and nitric oxide (NO), carbon monoxide (CO) contributes to the maintenance of gastric mucosal integrity. We investigated increased CO bioavailability effects on time-dependent dynamics of gastric ulcer healing mediated by particular growth factors, anti-inflammatory and molecular pathways. EXPERIMENTAL APPROACH Wistar rats with gastric ulcers induced by serosal acetic acid application (day 0) were treated i.g. throughout 3, 6 or 14 days with vehicle or CO-releasing tricarbonyldichlororuthenium (II) dimer (CORM-2, 2.5 mg/kg). Gross and microscopic alterations in gastric ulcer size and gastric blood flow (GBF) at ulcer margin were determined by planimetry, histology and laser flowmetry, respectively. Gastric mRNA/protein expressions of platelet derived growth factors (PDGFA-D), insulin-like growth factor (IGF-1), epidermal growth factor (EGF), hepatocyte growth factor (HGF), vascular endothelial growth factor (VEGFA) and their receptors, heme oxygenases (HMOX), nuclear factor (erythroid-derived 2)-like 2 (Nrf-2), cyclooxygenase (COX-2), hypoxia inducible factor (HIF)-1α, anti-inflammatory annexin-1 and transforming growth factor (TGF-β1) were assessed by real-time PCR or Western blot. TGF-β1-3 and IL-10 plasma concentration were measured using Luminex platform. Prostaglandin E2 content at ulcer margin was assessed by ELISA. KEY RESULTS CORM-2 decreased ulcer area and increased GBF after 6 and 14 days of treatment comparing to vehicle. CO donor upregulated HGF, HGFr, VEGFR1, VEGFR2, TGF-β1, annexin-1 and maintained increased IGF-1, PDGFC and EGF expression at various time-intervals of ulcer healing. TGF-β3 and IL-10 plasma concentration were significantly increased after COMR-2 vs. vehicle. CONCLUSIONS CO time-dependently accelerates gastric ulcer healing and raises GBF at ulcer margin by mechanism involving subsequent upregulation of anti-inflammatory, growth promoting and angiogenic factors response, not observed physiologically.
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Affiliation(s)
- Katarzyna Magierowska
- Department of Physiology, Jagiellonian University Medical College, 16 Grzegorzecka Street, 31-531 Cracow, Poland
| | - Dominik Bakalarz
- Department of Physiology, Jagiellonian University Medical College, 16 Grzegorzecka Street, 31-531 Cracow, Poland; Department of Forensic Toxicology, Institute of Forensic Research, 9 Westerplatte Street, 31-033 Cracow, Poland
| | - Dagmara Wójcik
- Department of Physiology, Jagiellonian University Medical College, 16 Grzegorzecka Street, 31-531 Cracow, Poland
| | - Anna Chmura
- Department of Physiology, Jagiellonian University Medical College, 16 Grzegorzecka Street, 31-531 Cracow, Poland
| | - Magdalena Hubalewska-Mazgaj
- Department of Physiology, Jagiellonian University Medical College, 16 Grzegorzecka Street, 31-531 Cracow, Poland
| | - Sabina Licholai
- Department of Molecular Biology and Clinical Genetics, Jagiellonian University Medical College, 8 Skawinska Street, 31-066 Cracow, Poland
| | - Edyta Korbut
- Department of Physiology, Jagiellonian University Medical College, 16 Grzegorzecka Street, 31-531 Cracow, Poland
| | - Slawomir Kwiecien
- Department of Physiology, Jagiellonian University Medical College, 16 Grzegorzecka Street, 31-531 Cracow, Poland
| | - Zbigniew Sliwowski
- Department of Physiology, Jagiellonian University Medical College, 16 Grzegorzecka Street, 31-531 Cracow, Poland
| | - Grzegorz Ginter
- Department of Physiology, Jagiellonian University Medical College, 16 Grzegorzecka Street, 31-531 Cracow, Poland
| | - Tomasz Brzozowski
- Department of Physiology, Jagiellonian University Medical College, 16 Grzegorzecka Street, 31-531 Cracow, Poland
| | - Marcin Magierowski
- Department of Physiology, Jagiellonian University Medical College, 16 Grzegorzecka Street, 31-531 Cracow, Poland.
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21
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Zhang RG, Pan K, Hao Y, Yip CY, Ko WH. Anti-inflammatory action of HO-1/CO in human bronchial epithelium in response to cationic polypeptide challenge. Mol Immunol 2019; 105:205-212. [DOI: 10.1016/j.molimm.2018.12.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2018] [Revised: 09/26/2018] [Accepted: 12/05/2018] [Indexed: 10/27/2022]
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Abstract
Inhalation of high concentrations of carbon monoxide (CO) is known to lead to serious systemic complications and neuronal disturbances. However, it has been found that not only is CO produced endogenously, but also that low concentrations can bestow beneficial effects which may be of interest in biology and medicine. As translocation of CO through the human organism is difficult, small molecules known as CO-releasing molecules (CORMs) deliver controlled amounts of CO to biological systems, and these are of great interest from a medical point of view. These actions may prevent vascular dysfunction, regulate blood pressure, inhibit blood platelet aggregation or have anti-inflammatory effects. This review summarizes the functions of various CO-releasing molecules in biology and medicine.
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23
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Van Dingenen J, Steiger C, Zehe M, Meinel L, Lefebvre RA. Investigation of orally delivered carbon monoxide for postoperative ileus. Eur J Pharm Biopharm 2018; 130:306-313. [DOI: 10.1016/j.ejpb.2018.07.009] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Revised: 05/22/2018] [Accepted: 07/08/2018] [Indexed: 01/26/2023]
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24
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Emerging role of carbon monoxide in regulation of cellular pathways and in the maintenance of gastric mucosal integrity. Pharmacol Res 2018; 129:56-64. [DOI: 10.1016/j.phrs.2018.01.008] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2017] [Revised: 01/12/2018] [Accepted: 01/18/2018] [Indexed: 12/14/2022]
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25
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Zhang L, Zhang Z, Liu B, Jin Y, Tian Y, Xin Y, Duan Z. The Protective Effect of Heme Oxygenase-1 against Intestinal Barrier Dysfunction in Cholestatic Liver Injury Is Associated with NF-κB Inhibition. Mol Med 2017; 23:215-224. [PMID: 28805232 DOI: 10.2119/molmed.2017.00078] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Accepted: 08/01/2017] [Indexed: 12/15/2022] Open
Abstract
Heme oxygenase-1 (HO-1) is reported to protect against liver injury, but little is known about its effect on the intestinal barrier in cholestatic liver injury. In this study, we investigated the effects of HO-1 and its enzymatic by-product on intestinal barrier dysfunction in bile duct ligation (BDL) rats and explored the possible mechanism. The HO-1 inducer cobalt protoporphyrin (CoPP) and carbon monoxide-releasing molecule-2 (CORM-2) were used; the expression levels of tight junction (TJ) proteins, intestinal inflammation and NF-κB p65 were measured. For an in vitro experiment, stable Caco-2 cell lines were constructed, one overexpressed the HO-1 gene and another with that gene knocked down, and the specific NF-κB inhibitor JSH-23 was used. CoPP and CORM-2 treatment alleviated liver and intestinal mucosa injury in BDL rats; improved ZO-1, claudin-1 and PCNA expression; and reduced cell apoptosis and intestinal interleukin-6 (IL-6) expression. In vitro studies confirmed that HO-1, ZO-1 and occludin were overexpressed in HO-1-transfected Caco-2 cells, while decreased in the sh-HO-1 group. JSH-23 significantly increased occludin expression in both the HO-1 overexpression and sh-HO-1 groups, compared with their respective controls. HO-1 overexpression also inhibited the nuclear translocation of NF-κB p65 after lipopolysaccharide (LPS) treatment. Additionally, phospho-p65 expression in sh-HO-1 cells was significantly increased compared with that of the HO-1 overexpression group. In conclusion, HO-1 and CORM-2 improved intestinal epithelial barrier function in BDL-induced cholestatic liver injury mainly by restoring TJ, reducing cell apoptosis and intestinal inflammation. HO-1 exerts a protective effect, which is partially correlated with the regulation of NF-κB.
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Affiliation(s)
- Lijing Zhang
- Department of Gastroenterology, First Affiliated Hospital of Dalian Medical University, Dalian 116011, China
| | - Zhenling Zhang
- Department of Gastroenterology, First Affiliated Hospital of Dalian Medical University, Dalian 116011, China
| | - Bojia Liu
- Department of Gastroenterology, First Affiliated Hospital of Dalian Medical University, Dalian 116011, China
| | - Yanling Jin
- Department of Pathology, First Affiliated Hospital of Dalian Medical University, Dalian 116011, China
| | - Yan Tian
- College of Pharmacy, Dalian Medical University, Dalian 116011, China
| | - Yi Xin
- Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian 116044, China
| | - Zhijun Duan
- Department of Gastroenterology, First Affiliated Hospital of Dalian Medical University, Dalian 116011, China
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26
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Wang H, Sun X. Carbon Monoxide-Releasing Molecule-2 Inhibits Connexin 43-Hemichannel Activity in Spinal Cord Astrocytes to Attenuate Neuropathic Pain. J Mol Neurosci 2017; 63:58-69. [DOI: 10.1007/s12031-017-0957-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2017] [Accepted: 07/26/2017] [Indexed: 12/30/2022]
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27
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Li Z, Pierri AE, Huang PJ, Wu G, Iretskii AV, Ford PC. Dinuclear PhotoCORMs: Dioxygen-Assisted Carbon Monoxide Uncaging from Long-Wavelength-Absorbing Metal–Metal-Bonded Carbonyl Complexes. Inorg Chem 2017; 56:6094-6104. [DOI: 10.1021/acs.inorgchem.6b03138] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Zhi Li
- Department of Chemistry
and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106-9510, United States
| | - Agustin E. Pierri
- Department of Chemistry
and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106-9510, United States
| | - Po-Ju Huang
- Department of Chemistry
and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106-9510, United States
| | - Guang Wu
- Department of Chemistry
and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106-9510, United States
| | - Alexei V. Iretskii
- Department of Chemistry
and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106-9510, United States
- Department of Chemistry and Environmental
Sciences, Lake Superior State University, Sault Sainte Marie, Michigan 49783, United States
| | - Peter C. Ford
- Department of Chemistry
and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106-9510, United States
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28
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Babu D, Leclercq G, Motterlini R, Lefebvre RA. Differential Effects of CORM-2 and CORM-401 in Murine Intestinal Epithelial MODE-K Cells under Oxidative Stress. Front Pharmacol 2017; 8:31. [PMID: 28228725 PMCID: PMC5296622 DOI: 10.3389/fphar.2017.00031] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2016] [Accepted: 01/16/2017] [Indexed: 12/14/2022] Open
Abstract
Carbon monoxide (CO)-releasing molecules (CO-RMs) are intensively studied to provide cytoprotective and anti-inflammatory effects of CO in inflammatory conditions including intestinal inflammation. The water-soluble CORM-A1 reduced apoptosis and NADPH oxidase (NOX)-derived reactive oxygen species (ROS) induced by tumor necrosis factor (TNF)-α/cycloheximide (CHX) in mouse MODE-K intestinal epithelial cells (IECs), without influencing TNF-α/CHX-induced mitochondrial superoxide anion (O2•–). The aim of the present study in the same model was to comparatively investigate the influence of lipid-soluble CORM-2 and water-soluble CORM-401, shown in vitro to release more CO under oxidative conditions. CORM-2 abolished TNF-α/CHX-induced total cellular ROS whereas CORM-401 partially reduced it, both partially reducing TNF-α/CHX-induced cell death. Only CORM-2 increased mitochondrial O2•– production after 2 h of incubation. CORM-2 reduced TNF-α/CHX-, rotenone- and antimycin-A-induced mitochondrial O2•– production; CORM-401 only reduced the effect of antimycin-A. Co-treatment with CORM-401 during 1 h exposure to H2O2 reduced H2O2 (7.5 mM)-induced ROS production and cell death, whereas CORM-2 did not. The study illustrates the importance of the chemical characteristics of different CO-RMs. The lipid solubility of CORM-2 might contribute to its interference with TNF-α/CHX-induced mitochondrial ROS signaling, at least in mouse IECs. CORM-401 is more effective than other CO-RMs under H2O2-induced oxidative stress conditions.
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Affiliation(s)
- Dinesh Babu
- Heymans Institute of Pharmacology, Faculty of Medicine and Health Sciences, Ghent University Ghent, Belgium
| | - Georges Leclercq
- Department of Clinical Chemistry, Microbiology and Immunology, Faculty of Medicine and Health Sciences, Ghent University Ghent, Belgium
| | - Roberto Motterlini
- INSERM U955, Faculty of Medicine, Equipe 12 and University Paris Est Créteil, France
| | - Romain A Lefebvre
- Heymans Institute of Pharmacology, Faculty of Medicine and Health Sciences, Ghent University Ghent, Belgium
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29
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Babu D, Leclercq G, Motterlini R, Lefebvre RA. Differential Effects of CORM-2 and CORM-401 in Murine Intestinal Epithelial MODE-K Cells under Oxidative Stress. Front Pharmacol 2017. [PMID: 28228725 DOI: 10.3389/fphar.2017.00031/bibtex] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/13/2023] Open
Abstract
Carbon monoxide (CO)-releasing molecules (CO-RMs) are intensively studied to provide cytoprotective and anti-inflammatory effects of CO in inflammatory conditions including intestinal inflammation. The water-soluble CORM-A1 reduced apoptosis and NADPH oxidase (NOX)-derived reactive oxygen species (ROS) induced by tumor necrosis factor (TNF)-α/cycloheximide (CHX) in mouse MODE-K intestinal epithelial cells (IECs), without influencing TNF-α/CHX-induced mitochondrial superoxide anion ([Formula: see text]). The aim of the present study in the same model was to comparatively investigate the influence of lipid-soluble CORM-2 and water-soluble CORM-401, shown in vitro to release more CO under oxidative conditions. CORM-2 abolished TNF-α/CHX-induced total cellular ROS whereas CORM-401 partially reduced it, both partially reducing TNF-α/CHX-induced cell death. Only CORM-2 increased mitochondrial [Formula: see text] production after 2 h of incubation. CORM-2 reduced TNF-α/CHX-, rotenone- and antimycin-A-induced mitochondrial [Formula: see text] production; CORM-401 only reduced the effect of antimycin-A. Co-treatment with CORM-401 during 1 h exposure to H2O2 reduced H2O2 (7.5 mM)-induced ROS production and cell death, whereas CORM-2 did not. The study illustrates the importance of the chemical characteristics of different CO-RMs. The lipid solubility of CORM-2 might contribute to its interference with TNF-α/CHX-induced mitochondrial ROS signaling, at least in mouse IECs. CORM-401 is more effective than other CO-RMs under H2O2-induced oxidative stress conditions.
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Affiliation(s)
- Dinesh Babu
- Heymans Institute of Pharmacology, Faculty of Medicine and Health Sciences, Ghent University Ghent, Belgium
| | - Georges Leclercq
- Department of Clinical Chemistry, Microbiology and Immunology, Faculty of Medicine and Health Sciences, Ghent University Ghent, Belgium
| | - Roberto Motterlini
- INSERM U955, Faculty of Medicine, Equipe 12 and University Paris Est Créteil, France
| | - Romain A Lefebvre
- Heymans Institute of Pharmacology, Faculty of Medicine and Health Sciences, Ghent University Ghent, Belgium
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30
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Ji X, Zhou C, Ji K, Aghoghovbia RE, Pan Z, Chittavong V, Ke B, Wang B. Click and Release: A Chemical Strategy toward Developing Gasotransmitter Prodrugs by Using an Intramolecular Diels-Alder Reaction. Angew Chem Int Ed Engl 2016; 55:15846-15851. [PMID: 27879021 DOI: 10.1002/anie.201608732] [Citation(s) in RCA: 112] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2016] [Revised: 10/03/2016] [Indexed: 02/05/2023]
Abstract
Prodrug strategies have been proven to be a very effective way of addressing delivery problems. Much of the chemistry in prodrug development relies on the ability to mask an appropriate functional group, which can be removed under appropriate conditions. However, developing organic prodrugs of gasotransmitters represent unique challenges. This is especially true with carbon monoxide, which does not have an easy "handle" for bioreversible derivatization. By taking advantage of an intramolecular Diels-Alder reaction, we have developed a prodrug strategy for preparations of organic CO prodrugs that are stable during synthesis and storage, and yet readily release CO with tunable release rates under near physiological conditions. The effectiveness of the CO prodrug system in delivering a sufficient quantity of CO for possible therapeutic applications has been studied using a cell culture anti-inflammatory assay and a colitis animal model. These studies fully demonstrate the proof of concept, and lay a strong foundation for further medicinal chemistry work in developing organic CO prodrugs.
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Affiliation(s)
- Xingyue Ji
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA, 30303, USA
| | - Cheng Zhou
- Laboratory of Anesthesiology & Critical Care Medicine, Translational Neuroscience Center, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Kaili Ji
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA, 30303, USA
| | - Robert E Aghoghovbia
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA, 30303, USA
| | - Zhixiang Pan
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA, 30303, USA
| | - Vayou Chittavong
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA, 30303, USA
| | - Bowen Ke
- Laboratory of Anesthesiology & Critical Care Medicine, Translational Neuroscience Center, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Binghe Wang
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA, 30303, USA
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31
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Ji X, Zhou C, Ji K, Aghoghovbia RE, Pan Z, Chittavong V, Ke B, Wang B. Click and Release: A Chemical Strategy toward Developing Gasotransmitter Prodrugs by Using an Intramolecular Diels-Alder Reaction. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201608732] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Xingyue Ji
- Department of Chemistry and Center for Diagnostics and Therapeutics; Georgia State University; Atlanta GA 30303 USA
| | - Cheng Zhou
- Laboratory of Anesthesiology & Critical Care Medicine; Translational Neuroscience Center; West China Hospital; Sichuan University; Chengdu Sichuan 610041 China
| | - Kaili Ji
- Department of Chemistry and Center for Diagnostics and Therapeutics; Georgia State University; Atlanta GA 30303 USA
| | - Robert E. Aghoghovbia
- Department of Chemistry and Center for Diagnostics and Therapeutics; Georgia State University; Atlanta GA 30303 USA
| | - Zhixiang Pan
- Department of Chemistry and Center for Diagnostics and Therapeutics; Georgia State University; Atlanta GA 30303 USA
| | - Vayou Chittavong
- Department of Chemistry and Center for Diagnostics and Therapeutics; Georgia State University; Atlanta GA 30303 USA
| | - Bowen Ke
- Laboratory of Anesthesiology & Critical Care Medicine; Translational Neuroscience Center; West China Hospital; Sichuan University; Chengdu Sichuan 610041 China
| | - Binghe Wang
- Department of Chemistry and Center for Diagnostics and Therapeutics; Georgia State University; Atlanta GA 30303 USA
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32
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Üstün E, Çol Ayvaz M, Sönmez Çelebi M, Aşcı G, Demir S, Özdemir İ. Structure, CO-releasing property, electrochemistry, DFT calculation, and antioxidant activity of benzimidazole derivative substituted [Mn(CO)3(bpy)L]PF6 type novel manganese complexes. Inorganica Chim Acta 2016. [DOI: 10.1016/j.ica.2016.05.027] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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33
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Ford PC. From curiosity to applications. A personal perspective on inorganic photochemistry. Chem Sci 2016; 7:2964-2986. [PMID: 29997786 PMCID: PMC6003602 DOI: 10.1039/c6sc00188b] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2016] [Accepted: 02/12/2016] [Indexed: 02/06/2023] Open
Abstract
Over the past several decades, the photochemistry and photophysics of transition metal compounds has blossomed from a relatively niche topic to a major research theme. Applications arising from the elucidation of the fundamental principles defining this field now range from probing the rates and mechanisms of small molecules with metalloproteins to light activated molecular machines. Offered here is a personal perspective of metal complex photochemistry drawn from this author's long involvement with this field. Several examples are described. Topics include characterizing key excited states and tuning these to modify chemical reactivity and/or photoluminescence properties, as well as using photoreactions as an entry to reactive intermediates relevant to homogeneous catalysts. This is followed by discussions of applying these concepts to developing precursors and precursor-antenna conjugates for the photochemical delivery of small molecule bioregulators to physiological targets.
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Affiliation(s)
- Peter C Ford
- Department of Chemistry and Biochemistry , University of California , Santa Barbara , CA 93110-9510 , USA .
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34
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Papapetropoulos A, Foresti R, Ferdinandy P. Pharmacology of the 'gasotransmitters' NO, CO and H2S: translational opportunities. Br J Pharmacol 2016; 172:1395-6. [PMID: 25891246 DOI: 10.1111/bph.13005] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Affiliation(s)
- Andreas Papapetropoulos
- Faculty of Pharmacy, University of Athens, Athens, Greece; 'George P. Livanos and Marianthi Simou Laboratories', Evangelismos Hospital, 1st Department of Critical Care and Pulmonary Services, University of Athens, Greece
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35
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Ryter SW, Choi AMK. Targeting heme oxygenase-1 and carbon monoxide for therapeutic modulation of inflammation. Transl Res 2016; 167:7-34. [PMID: 26166253 PMCID: PMC4857893 DOI: 10.1016/j.trsl.2015.06.011] [Citation(s) in RCA: 255] [Impact Index Per Article: 31.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2015] [Revised: 06/15/2015] [Accepted: 06/16/2015] [Indexed: 12/19/2022]
Abstract
The heme oxygenase-1 (HO-1) enzyme system remains an attractive therapeutic target for the treatment of inflammatory conditions. HO-1, a cellular stress protein, serves a vital metabolic function as the rate-limiting step in the degradation of heme to generate carbon monoxide (CO), iron, and biliverdin-IXα (BV), the latter which is converted to bilirubin-IXα (BR). HO-1 may function as a pleiotropic regulator of inflammatory signaling programs through the generation of its biologically active end products, namely CO, BV and BR. CO, when applied exogenously, can affect apoptotic, proliferative, and inflammatory cellular programs. Specifically, CO can modulate the production of proinflammatory or anti-inflammatory cytokines and mediators. HO-1 and CO may also have immunomodulatory effects with respect to regulating the functions of antigen-presenting cells, dendritic cells, and regulatory T cells. Therapeutic strategies to modulate HO-1 in disease include the application of natural-inducing compounds and gene therapy approaches for the targeted genetic overexpression or knockdown of HO-1. Several compounds have been used therapeutically to inhibit HO activity, including competitive inhibitors of the metalloporphyrin series or noncompetitive isoform-selective derivatives of imidazole-dioxolanes. The end products of HO activity, CO, BV and BR may be used therapeutically as pharmacologic treatments. CO may be applied by inhalation or through the use of CO-releasing molecules. This review will discuss HO-1 as a therapeutic target in diseases involving inflammation, including lung and vascular injury, sepsis, ischemia-reperfusion injury, and transplant rejection.
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Affiliation(s)
- Stefan W Ryter
- Joan and Sanford I. Weill Department of Medicine, New York-Presbyterian Hospital, Weill Cornell Medical College, New York, NY.
| | - Augustine M K Choi
- Joan and Sanford I. Weill Department of Medicine, New York-Presbyterian Hospital, Weill Cornell Medical College, New York, NY
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36
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Gaseous mediator-based anti-inflammatory drugs. Curr Opin Pharmacol 2015; 25:1-6. [DOI: 10.1016/j.coph.2015.08.005] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2015] [Accepted: 08/10/2015] [Indexed: 12/22/2022]
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37
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Perretti M, Leroy X, Bland EJ, Montero-Melendez T. Resolution Pharmacology: Opportunities for Therapeutic Innovation in Inflammation. Trends Pharmacol Sci 2015; 36:737-755. [PMID: 26478210 DOI: 10.1016/j.tips.2015.07.007] [Citation(s) in RCA: 160] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2015] [Revised: 07/22/2015] [Accepted: 07/27/2015] [Indexed: 12/31/2022]
Abstract
Current medicines for the clinical management of inflammatory diseases act by inhibiting specific enzymes or antagonising specific receptors or blocking their ligands. In the past decade, a new paradigm in our understanding of the inflammatory process has emerged with the appreciation of genetic, molecular, and cellular mechanisms that are engaged to actively resolve inflammation. The 'resolution of acute inflammation' is enabled by counter-regulatory checkpoints to terminate the inflammatory reaction, promoting healing and repair. It may be possible to harness this knowledge for innovative approaches to the treatment of inflammatory pathologies. Here we discuss current translational attempts to develop agonists at proresolving targets as a strategy to rectify chronic inflammatory status. We reason this new approach will lead to the identification of better drugs that will establish a new branch of pharmacology, 'resolution pharmacology'.
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Affiliation(s)
- Mauro Perretti
- William Harvey Research Institute, Queen Mary University of London, London, UK.
| | - Xavier Leroy
- Drug Discovery Biology, Actelion Pharmaceuticals Ltd, Allschwil, Switzerland
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He Q, Kiesewetter DO, Qu Y, Fu X, Fan J, Huang P, Liu Y, Zhu G, Liu Y, Qian Z, Chen X. NIR-Responsive On-Demand Release of CO from Metal Carbonyl-Caged Graphene Oxide Nanomedicine. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2015; 27:6741-6. [PMID: 26401893 DOI: 10.1002/adma.201502762] [Citation(s) in RCA: 146] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2015] [Revised: 07/26/2015] [Indexed: 02/06/2023]
Abstract
On-demand release of carbon monoxide (CO) is realized through a novel near-infrared-responsive nanomedicine in favor of the enhancement of therapy efficacy and biosafety of CO therapy.
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Affiliation(s)
- Qianjun He
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging; Department of Biomedical Engineering; School of Medicine; Shenzhen University; Guangdong Shenzhen 518060 P. R. China
- State Key Laboratory of Biotherapy and Cancer Center; West China Hospital; Sichuan University and Collaborative Innovation Center for Biotherapy; Chengdu 610041 P. R. China
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN); National Institute of Biomedical Imaging and Bioengineering (NIBIB); National Institutes of Health (NIH); Bethesda MD 20892 USA
| | - Dale O. Kiesewetter
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN); National Institute of Biomedical Imaging and Bioengineering (NIBIB); National Institutes of Health (NIH); Bethesda MD 20892 USA
| | - Ying Qu
- State Key Laboratory of Biotherapy and Cancer Center; West China Hospital; Sichuan University and Collaborative Innovation Center for Biotherapy; Chengdu 610041 P. R. China
| | - Xiao Fu
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN); National Institute of Biomedical Imaging and Bioengineering (NIBIB); National Institutes of Health (NIH); Bethesda MD 20892 USA
| | - Jing Fan
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN); National Institute of Biomedical Imaging and Bioengineering (NIBIB); National Institutes of Health (NIH); Bethesda MD 20892 USA
| | - Peng Huang
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN); National Institute of Biomedical Imaging and Bioengineering (NIBIB); National Institutes of Health (NIH); Bethesda MD 20892 USA
| | - Yijing Liu
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN); National Institute of Biomedical Imaging and Bioengineering (NIBIB); National Institutes of Health (NIH); Bethesda MD 20892 USA
| | - Guizhi Zhu
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN); National Institute of Biomedical Imaging and Bioengineering (NIBIB); National Institutes of Health (NIH); Bethesda MD 20892 USA
| | - Yi Liu
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN); National Institute of Biomedical Imaging and Bioengineering (NIBIB); National Institutes of Health (NIH); Bethesda MD 20892 USA
| | - Zhiyong Qian
- State Key Laboratory of Biotherapy and Cancer Center; West China Hospital; Sichuan University and Collaborative Innovation Center for Biotherapy; Chengdu 610041 P. R. China
| | - Xiaoyuan Chen
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN); National Institute of Biomedical Imaging and Bioengineering (NIBIB); National Institutes of Health (NIH); Bethesda MD 20892 USA
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39
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Babu D, Leclercq G, Goossens V, Remijsen Q, Vandenabeele P, Motterlini R, Lefebvre RA. Antioxidant potential of CORM-A1 and resveratrol during TNF-α/cycloheximide-induced oxidative stress and apoptosis in murine intestinal epithelial MODE-K cells. Toxicol Appl Pharmacol 2015; 288:161-78. [PMID: 26187750 DOI: 10.1016/j.taap.2015.07.007] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2015] [Revised: 07/03/2015] [Accepted: 07/07/2015] [Indexed: 12/26/2022]
Abstract
Targeting excessive production of reactive oxygen species (ROS) could be an effective therapeutic strategy to prevent oxidative stress-associated gastrointestinal inflammation. NADPH oxidase (NOX) and mitochondrial complexes (I and II) are the major sources of ROS production contributing to TNF-α/cycloheximide (CHX)-induced apoptosis in the mouse intestinal epithelial cell line, MODE-K. In the current study, the influence of a polyphenolic compound (resveratrol) and a water-soluble carbon monoxide (CO)-releasing molecule (CORM-A1) on the different sources of TNF-α/CHX-induced ROS production in MODE-K cells was assessed. This was compared with H2O2-, rotenone- or antimycin-A-induced ROS-generating systems. Intracellular total ROS, mitochondrial-derived ROS and mitochondrial superoxide anion (O2(-)) production levels were assessed. Additionally, the influence on TNF-α/CHX-induced changes in mitochondrial membrane potential (Ψm) and mitochondrial function was studied. In basal conditions, CORM-A1 did not affect intracellular total or mitochondrial ROS levels, while resveratrol increased intracellular total ROS but reduced mitochondrial ROS production. TNF-α/CHX- and H2O2-mediated increase in intracellular total ROS production was reduced by both resveratrol and CORM-A1, whereas only resveratrol attenuated the increase in mitochondrial ROS triggered by TNF-α/CHX. CORM-A1 decreased antimycin-A-induced mitochondrial O2(-) production without any influence on TNF-α/CHX- and rotenone-induced mitochondrial O2(-) levels, while resveratrol abolished all three effects. Finally, resveratrol greatly reduced and abolished TNF-α/CHX-induced mitochondrial depolarization and mitochondrial dysfunction, while CORM-A1 only mildly affected these parameters. These data indicate that the cytoprotective effect of resveratrol is predominantly due to mitigation of mitochondrial ROS, while CORM-A1 acts solely on NOX-derived ROS to protect MODE-K cells from TNF-α/CHX-induced cell death. This might explain the more pronounced cytoprotective effect of resveratrol.
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Affiliation(s)
- Dinesh Babu
- Heymans Institute of Pharmacology, Faculty of Medicine and Health Sciences, Ghent University, Belgium.
| | - Georges Leclercq
- Department of Clinical Chemistry, Microbiology and Immunology, Faculty of Medicine and Health Sciences, Ghent University, Belgium
| | - Vera Goossens
- Inflammation Research Center, Molecular Signaling and Cell Death Unit, VIB, Ghent, Belgium; Department of Biomedical Molecular Biology, Molecular Signaling and Cell Death Unit, Ghent University, Ghent, Belgium
| | - Quinten Remijsen
- Inflammation Research Center, Molecular Signaling and Cell Death Unit, VIB, Ghent, Belgium; Department of Biomedical Molecular Biology, Molecular Signaling and Cell Death Unit, Ghent University, Ghent, Belgium
| | - Peter Vandenabeele
- Inflammation Research Center, Molecular Signaling and Cell Death Unit, VIB, Ghent, Belgium; Department of Biomedical Molecular Biology, Molecular Signaling and Cell Death Unit, Ghent University, Ghent, Belgium
| | - Roberto Motterlini
- Inserm U955, Equipe 12 and University Paris-Est Créteil, Faculty of Medicine, F-94000 Créteil, France
| | - Romain A Lefebvre
- Heymans Institute of Pharmacology, Faculty of Medicine and Health Sciences, Ghent University, Belgium
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40
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Abstract
There are numerous gaseous substances that can act as signaling molecules, but the best characterized of these are nitric oxide, hydrogen sulfide and carbon monoxide. Each has been shown to play important roles in many physiological and pathophysiological processes. This article is focused on the effects of these gasotransmitters in the context of inflammation. There is considerable overlap in the actions of nitric oxide, hydrogen sulfide and carbon monoxide with respect to inflammation, and these mediators appear to act primarily as anti-inflammatory substances, promoting resolution of inflammatory processes. They also have protective and pro-healing effects in some tissues, such as the gastrointestinal tract and lung. Over the past two decades, significant progress has been made in the development of novel anti-inflammatory and cytoprotective drugs that release of one or more of these gaseous mediators.
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