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Duan L, Quan L, Zheng B, Li Z, Zhang G, Zhang M, Zhou H. Inflation using hydrogen improves donor lung quality by regulating mitochondrial function during cold ischemia phase. BMC Pulm Med 2023; 23:213. [PMID: 37330482 DOI: 10.1186/s12890-023-02504-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 05/31/2023] [Indexed: 06/19/2023] Open
Abstract
BACKGROUND Mitochondrial dysfunction results in poor organ quality, negatively affecting the outcomes of lung transplantation. Whether hydrogen benefits mitochondrial function in cold-preserved donors remain unclear. The present study assessed the effect of hydrogen on mitochondrial dysfunction in donor lung injury during cold ischemia phase (CIP) and explored the underlying regulatory mechanism. METHODS Left donor lungs were inflated using 40% oxygen + 60% nitrogen (O group), or 3% hydrogen + 40% oxygen + 57% nitrogen (H group). Donor lungs were deflated in the control group and were harvested immediately after perfusion in the sham group (n = 10). Inflammation, oxidative stress, apoptosis, histological changes, mitochondrial energy metabolism, and mitochondrial structure and function were assessed. The expression of nuclear factor erythroid 2-related factor 2 (Nrf2) and heme oxygenase-1 (HO-1) were also analyzed. RESULTS Compared with the sham group, inflammatory response, oxidative stress, histopathological changes, and mitochondrial damage were severe in the other three groups. However, these injury indexes were remarkably decreased in O and H groups, with increased Nrf2 and HO-1 levels, elevated mitochondrial biosynthesis, inhibition of anaerobic glycolysis and restored mitochondrial structure and function compared with the control group. Moreover, inflation using hydrogen contributed to stronger protection against mitochondrial dysfunction and higher levels of Nrf2 and HO-1 when comparing with O group. CONCLUSIONS Lung inflation using hydrogen during CIP may improve donor lung quality by mitigating mitochondrial structural anomalies, enhancing mitochondrial function, and alleviating oxidative stress, inflammation, and apoptosis, which may be achieved through activation of the Nrf2/HO-1 pathway.
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Affiliation(s)
- Le Duan
- Department of Anesthesiology, the Second Affiliated Hospital of Harbin Medical University, Harbin, China
- Department of Pain Medicine, the Fourth Affiliated Hospital of Harbin Medical University, No.37, Yiyuan Street, Nangang District, 150001, Harbin, China
| | - Lini Quan
- Department of Anesthesiology, the Second Affiliated Hospital of Harbin Medical University, Harbin, China
- Department of Pain Medicine, the Fourth Affiliated Hospital of Harbin Medical University, No.37, Yiyuan Street, Nangang District, 150001, Harbin, China
| | - Bin Zheng
- Department of Anesthesiology, Jinan Central Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Zhe Li
- Department of Anesthesiology, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Guangchao Zhang
- Department of Anesthesiology, Affiliated Hospital of Nantong University, Nantong, China
| | - Mengdi Zhang
- Department of Anesthesiology, the Fourth Affiliated Hospital of Harbin Medical University, No.37, Yiyuan Street, Nangang District, 150001, Harbin, China.
| | - Huacheng Zhou
- Department of Pain Medicine, the Fourth Affiliated Hospital of Harbin Medical University, No.37, Yiyuan Street, Nangang District, 150001, Harbin, China.
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Abozaid ER, Abdel-Kareem RH, Habib MA. A novel beneficial role of humanin on intestinal apoptosis and dysmotility in a rat model of ischemia reperfusion injury. Pflugers Arch 2023; 475:655-666. [PMID: 37020079 PMCID: PMC10105677 DOI: 10.1007/s00424-023-02804-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 12/08/2022] [Accepted: 03/07/2023] [Indexed: 04/07/2023]
Abstract
A prevalent clinical problem including sepsis, shock, necrotizing enterocolitis, and mesenteric thrombosis is intestinal ischemia/reperfusion (I/R) injury. Humanin (HN), a recently identified mitochondrial polypeptide, exhibits antioxidative and antiapoptotic properties. This work aimed to study the role of HN in a model of experimental intestinal I/R injury and its effect on associated dysmotility. A total of 36 male adult albino rats were allocated into 3 equal groups. Sham group: merely a laparotomy was done. I/R group: for 1 h, clamping of the superior mesenteric artery was done, and then reperfusion was allowed for 2 h later. HN-I/R group: rats underwent ischemia and reperfusion, and 30 min before the reperfusion, they received an intraperitoneal injection of 252 μg/kg of HN. Small intestinal motility was evaluated, and jejunal samples were got for biochemical and histological analysis. I/R group showed elevation of intestinal NO, MDA, TNF- α, and IL-6 and decline of GPx and SOD levels. Furthermore, histologically, there were destructed jejunal villi especially their tips and increased tissue expression of caspase-3 and i-NOS, in addition to reduced small intestinal motility. Compared to I/R group, HN-I/R group exhibited decrease intestinal levels of NO, MDA, TNF- α, and IL-6 and increase GPx and SOD. Moreover, there was noticeable improvement of the histopathologic features and decreased caspase-3 and iNOS immunoreactivity, beside enhanced small intestinal motility. HN alleviates inflammation, apoptosis, and intestinal dysmotility encouraged by I/R. Additionally, I/R-induced apoptosis and motility alterations depend partly on the production of nitric oxide.
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Affiliation(s)
- Eman R Abozaid
- Medical Physiology Department, Faculty of Medicine, Zagazig University, Alsharquiah, 44519, Egypt
| | - Reham H Abdel-Kareem
- Human Anatomy & Embryology Department, Faculty of Medicine, Zagazig University, Alsharquiah, 44519, Egypt.
| | - Marwa A Habib
- Medical Physiology Department, Faculty of Medicine, Zagazig University, Alsharquiah, 44519, Egypt
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3
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Hydrogen: Potential Applications in Solid Organ Transplantation. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:6659310. [PMID: 34868455 PMCID: PMC8635874 DOI: 10.1155/2021/6659310] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 10/13/2021] [Accepted: 10/29/2021] [Indexed: 11/25/2022]
Abstract
Ischemia reperfusion injury (IRI) in organ transplantation has always been an important hotspot in organ protection. Hydrogen, as an antioxidant, has been shown to have anti-inflammatory, antioxidant, and antiapoptotic effects. In this paper, the protective effect of hydrogen against IRI in organ transplantation has been reviewed to provide clues for future clinical studies.
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Du J, Li J, Li R, Yan X. High concentration of hydrogen ameliorates lipopolysaccharide-induced acute lung injury in a sirt1-dependent manner. Respir Physiol Neurobiol 2021; 296:103808. [PMID: 34757082 DOI: 10.1016/j.resp.2021.103808] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 10/20/2021] [Accepted: 10/24/2021] [Indexed: 01/28/2023]
Abstract
The aim of this study was to investigate the efficacy and underlying mechanism of high concentration of hydrogen on lipopolysaccharide (LPS)-induced acute lung injury (ALI). We have established a corresponding mouse model and examined the function of hydrogen inhalation on lung pathology and pulmonary edema induced by LPS, as well as contents of IL-1β, TNF-α and IL-8. The pulmonary microvascular permeability and 66.7 % hydrogen on the expression of sirt1 and its downstream signaling molecules were tested. Results showed that 66.7 % hydrogen alleviated lung pathological changes and pulmonary edema caused by LPS, and reduced the degree of ALI by inhibiting pro-inflammatory cytokine release and oxidative stress response, thereby decreasing the expression of molecules related to intercellular adhesion. sirt1 contributed to the repair of LPS-induced ALI by hydrogen through the regulation of NF-κB and catalase expression. In conclusion, 66.7 % hydrogen protected against LPS-induced ALI by suppressing inflammatory response and oxidative stress mediated by NF-κB and catalase in a sirt1-dependent manner.
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Affiliation(s)
- Junfeng Du
- Department of Respiratory and Critical Care Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, China; Department of Respiratory and Critical Care Medicine, Cangzhou Central Hospital, Cangzhou, Cangzhou 061001, China
| | - Jingwen Li
- Department of Respiratory and Critical Care Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, China; Hebei Key Laboratory of Respiratory and Critical Diseases, Shijiazhuang 050000, China
| | - Rongqin Li
- Department of Central Laboratory, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, China
| | - Xixin Yan
- Department of Respiratory and Critical Care Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, China; Hebei Key Laboratory of Respiratory and Critical Diseases, Shijiazhuang 050000, China; Hebei Provincial Institute of Respiratory Diseases, Shijiazhuang 050000, China.
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5
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Zheng P, Kang J, Xing E, Zheng B, Wang X, Zhou H. Lung Inflation With Hydrogen During the Cold Ischemia Phase Alleviates Lung Ischemia-Reperfusion Injury by Inhibiting Pyroptosis in Rats. Front Physiol 2021; 12:699344. [PMID: 34408660 PMCID: PMC8365359 DOI: 10.3389/fphys.2021.699344] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Accepted: 07/08/2021] [Indexed: 11/13/2022] Open
Abstract
Background: Lung inflation with hydrogen is an effective method to protect donor lungs from lung ischemia-reperfusion injury (IRI). This study aimed to examine the effect of lung inflation with 3% hydrogen during the cold ischemia phase on pyroptosis in lung grafts of rats. Methods: Adult male Wistar rats were randomly divided into the sham group, the control group, the oxygen (O2) group, and the hydrogen (H2) group. The sham group underwent thoracotomy but no lung transplantation. In the control group, the donor lungs were deflated for 2 h. In the O2 and H2 groups, the donor lungs were inflated with 40% O2 + 60% N2 and 3% H2 + 40% O2 + 57% N2, respectively, at 10 ml/kg, and the gas was replaced every 20 min during the cold ischemia phase for 2 h. Two hours after orthotopic lung transplantation, the recipients were euthanized. Results: Compared with the control group, the O2 and H2 groups improved oxygenation indices, decreases the inflammatory response and oxidative stress, reduced lung injury, and improved pressure-volume (P-V) curves. H2 had a better protective effect than O2. Furthermore, the levels of the pyroptosis-related proteins selective nucleotide-binding oligomerization domain-like receptor protein 3 (NLRP3), cysteinyl aspartate specific proteinase (caspase)-1 p20, and the N-terminal of gasdermin D (GSDMD-N) were decreased in the H2 group. Conclusion: Lung inflation with 3% hydrogen during the cold ischemia phase inhibited the inflammatory response, oxidative stress, and pyroptosis and improved the function of the graft. Inhibiting reactive oxygen species (ROS) production may be the main mechanism of the antipyroptotic effect of hydrogen.
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Affiliation(s)
- Panpan Zheng
- Department of Anesthesiology, The Fourth Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Jiyu Kang
- Department of Anesthesiology, The Fourth Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Entong Xing
- Department of Anesthesiology, The Fourth Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Bin Zheng
- Department of Anesthesiology, The Fourth Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Xueyao Wang
- Department of Anesthesiology, The Fourth Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Huacheng Zhou
- Department of Anesthesiology, The Fourth Affiliated Hospital, Harbin Medical University, Harbin, China
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6
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Quan L, Zheng B, Zhou H. Protective effects of molecular hydrogen on lung injury from lung transplantation. Exp Biol Med (Maywood) 2021; 246:1410-1418. [PMID: 33899545 DOI: 10.1177/15353702211007084] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Lung grafts may experience multiple injuries during lung transplantation, such as warm ischaemia, cold ischaemia, and reperfusion injury. These injuries all contribute to primary graft dysfunction, which is a major cause of morbidity and mortality after lung transplantation. As a potential selective antioxidant, hydrogen molecule (H2) protects against post-transplant complications in animal models of multiple organ transplantation. Herein, the authors review the current literature regarding the effects of H2 on lung injury from lung transplantation. The reviewed studies showed that H2 improved the outcomes of lung transplantation by decreasing oxidative stress and inflammation at the donor and recipient phases. H2 is primarily administered via inhalation, drinking hydrogen-rich water, hydrogen-rich saline injection, or a hydrogen-rich water bath. H2 favorably modulates signal transduction and gene expression, resulting in the suppression of pro-inflammatory cytokines and excess reactive oxygen species production. Although H2 appears to be a physiological regulatory molecule with antioxidant, anti-inflammatory and anti-apoptotic properties, its exact mechanisms of action remain elusive. Taken together, accumulating experimental evidence indicates that H2 can significantly alleviate transplantation-related lung injury, mainly via inhibition of inflammatory cytokine secretion and reduction in oxidative stress through several underlying mechanisms. Further animal experiments and preliminary human clinical trials will lay the foundation for the use of H2 as a treatment in the clinic.
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Affiliation(s)
- Lini Quan
- Department of Anesthesiology, Second Affiliated Hospital of Harbin Medical University, Harbin 150086, China
| | - Bin Zheng
- Department of Anesthesiology, Fourth Affiliated Hospital of Harbin Medical University, Harbin 150001, China
| | - Huacheng Zhou
- Department of Anesthesiology, Fourth Affiliated Hospital of Harbin Medical University, Harbin 150001, China
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Wang ST, Bao C, He Y, Tian X, Yang Y, Zhang T, Xu KF. Hydrogen gas (XEN) inhalation ameliorates airway inflammation in asthma and COPD patients. QJM 2020; 113:870-875. [PMID: 32407476 PMCID: PMC7785302 DOI: 10.1093/qjmed/hcaa164] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 05/01/2020] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Hydrogen was proven to have anti-oxidative and anti-inflammation effects to various diseases. AIM We wish to investigate the acute effects of inhaled hydrogen on airway inflammation in patients with asthma and chronic obstructive pulmonary disease (COPD). DESIGN Prospective study. METHODS In total, 2.4% hydrogen containing steam mixed gas (XEN) was inhaled once for 45 min in 10 patients with asthma and 10 patients with COPD. The levels of granulocyte-macrophage colony stimulating factor, interferon-γ, interleukin-1β (IL-1β), IL-2, IL-4, IL-6 and so on in peripheral blood and exhaled breath condensate (EBC) before and after 'XEN' inhalation were measured. RESULTS 45 minutes 'XEN' inhalation once decreased monocyte chemotactic protein 1 level in both COPD (564.70-451.51 pg/mL, P = 0.019) and asthma (386.39-332.76 pg/mL, P = 0.033) group, while decreased IL-8 level only in asthma group (5.25-4.49 pg/mL, P = 0.023). The level of EBC soluble cluster of differentiation-40 ligand in COPD group increased after inhalation (1.07-1.16 pg/mL, P = 0.031), while IL-4 and IL-6 levels in EBC were significantly lower after inhalation in the COPD (0.80-0.64 pg/mL, P = 0.025) and asthma (0.06-0.05 pg/mL, P = 0.007) group, respectively. CONCLUSIONS A single inhalation of hydrogen for 45 min attenuated inflammatory status in airways in patients with asthma and COPD.
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Affiliation(s)
- S -T Wang
- From the Department of Pulmonary and Critical Care Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100730, China
| | - C Bao
- From the Department of Pulmonary and Critical Care Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100730, China
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing 100029, China
| | - Y He
- From the Department of Pulmonary and Critical Care Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100730, China
| | - X Tian
- From the Department of Pulmonary and Critical Care Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100730, China
| | - Y Yang
- From the Department of Pulmonary and Critical Care Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100730, China
| | - T Zhang
- From the Department of Pulmonary and Critical Care Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100730, China
| | - K -F Xu
- From the Department of Pulmonary and Critical Care Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100730, China
- Address correspondence to K.-F. Xu, Department of Pulmonary and Critical Care Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, #1 Shuaifuyuan Hutong, Beijing 100730, China.
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8
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Luna-Flores A, Olmos-Zuñiga JR, Jasso-Victoria R, Gaxiola-Gaxiola M, Aguirre-Pérez T, Ruiz V, García-Torrentera R, Silva-Martínez M, Zenteno E, Gutierrez-Ospina G, Santillan-Doherty P. Expression of Claudin-4 in Lung Ischemia-Reperfusion Injury in Experimental Lung Transplantation. J INVEST SURG 2020; 35:191-200. [PMID: 32900258 DOI: 10.1080/08941939.2020.1815253] [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] [Indexed: 10/23/2022]
Abstract
OBJECTIVE To assess the presence of CLDN4 in bronchoalveolar lavage fluid (BALF) and pulmonary tissue as an early indicator of LIRI and its relationship with changes in pulmonary physiology, edema formation and histology in an experimental porcine model of LTx with CIT of 50 min or 6 h. METHODS In 12 pigs, LIRI was produced by: group I (n = 6) LTx with 50 min of CIT (LTx-50 min-CIT); and group II (n = 6) LTx with 6 h of CIT (LTx-6h-CIT). The lung function, edema formation, macroscopic and microscopic changes were assessed. CLDN4 expression in BALF and pulmonary tissue were determined. RESULTS Both groups presented similar clinical, edema, and histological damage, as well as similar expression of CLDN4 in BALF and tissue (p > 0.05, RM-ANOVA). CONCLUSION CLDN4 expressed in BALF and the pulmonary tissue during the first 5 h within 72 h of the PGD window are not associated by the deterioration of lung function, edema and lung histological injury, in LTx with CIT 50 min or 6 h, CLDN4 does not seem to be a valuable indicator of LIRI.
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Affiliation(s)
- Antonia Luna-Flores
- Lung Transplantation Research Unit, Department of Surgical Research, Instituto Nacional de Enfermedades Respiratorias Ismael Cosio Villegas, Mexico City, Mexico
| | - J Raúl Olmos-Zuñiga
- Lung Transplantation Research Unit, Department of Surgical Research, Instituto Nacional de Enfermedades Respiratorias Ismael Cosio Villegas, Mexico City, Mexico
| | - Rogelio Jasso-Victoria
- Department of Surgical Research, Instituto Nacional de Enfermedades Respiratorias Ismael Cosio Villegas, Mexico City, Mexico
| | - Miguel Gaxiola-Gaxiola
- Department of Morphology, Instituto Nacional de Enfermedades Respiratorias Ismael Cosio Villegas, Mexico City, Mexico
| | - Teresa Aguirre-Pérez
- Bronchoscopy and Endoscopy Service, Instituto Nacional de Enfermedades Respiratorias Ismael Cosio Villegas, Mexico City, Mexico
| | - Victor Ruiz
- Molecular Biology Laboratory, Instituto Nacional de Enfermedades Respiratorias Ismael Cosio Villegas, Mexico City, Mexico
| | - Rogelio García-Torrentera
- Respiratory Emergency Unit, Instituto Nacional de Enfermedades Respiratorias Ismael Cosio Villegas, Mexico City, Mexico
| | - Mariana Silva-Martínez
- Lung Transplantation Research Unit, Department of Surgical Research, Instituto Nacional de Enfermedades Respiratorias Ismael Cosio Villegas, Mexico City, Mexico
| | - Edgar Zenteno
- Department of Biochemistry, Facultad de Medicina, Universidad Nacional Autónoma de Mexico, Mexico City, Mexico
| | - Gabriel Gutierrez-Ospina
- Department of Cell Biology and Physiology, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de Mexico, Mexico City, Mexico
| | - Patricio Santillan-Doherty
- Medical Direction, Instituto Nacional de Enfermedades Respiratorias Ismael Cosio Villegas, Mexico City, Mexico
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Kawamura M, Imamura R, Kobayashi Y, Taniguchi A, Nakazawa S, Kato T, Namba-Hamano T, Abe T, Uemura M, Kobayashi H, Nonomura N. Oral Administration of Si-Based Agent Attenuates Oxidative Stress and Ischemia-Reperfusion Injury in a Rat Model: A Novel Hydrogen Administration Method. Front Med (Lausanne) 2020; 7:95. [PMID: 32266279 PMCID: PMC7099649 DOI: 10.3389/fmed.2020.00095] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2020] [Accepted: 03/04/2020] [Indexed: 11/13/2022] Open
Abstract
Organ ischemia-reperfusion injury (IRI), which is unavoidable in kidney transplantation, induces the formation of reactive oxygen species and causes organ damage. Although the efficacy of molecular hydrogen (H2) in IRI has been reported, oral intake of H2-rich water and inhalation of H2 gas are still not widely used in clinical settings because of the lack of efficiency and difficulty in handling. We successfully generated large quantities of H2 molecules by crushing silicon (Si) to nano-sized Si particles (nano-Si) which were allowed to react with water. The nano-Si or relatively large-sized Si particles (large-Si) were orally administered to rats with renal IRI. Animals were divided into four groups: sham, IRI, IRI + nano-Si, and IRI + large-Si. The levels of serum creatinine and urine protein were significantly decreased 72 h following IRI in rats that were administered nano-Si. The levels of oxidative stress marker, urinary 8-hydroxydeoxyguanosine were also significantly decreased with the nano-Si treatment. Transcriptome and gene ontology enrichment analyses showed that the oral nano-Si intake downregulated the biological processes related to oxidative stress, such as immune response, cytokine production, and extrinsic apoptotic signaling pathway. Alterations in the regulation of a subset of genes in the altered pathways were validated by quantitative polymerase chain reaction. Furthermore, immunohistochemical analysis demonstrated that the nano-Si treatment alleviated interstitial macrophage infiltration and tubular apoptosis, implicating the anti-inflammatory and anti-apoptotic effects of nano-Si. In conclusion, renal IRI was attenuated by the oral administration of nano-Si, which should be considered as a novel H2 administration method.
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Affiliation(s)
- Masataka Kawamura
- Department of Urology, Osaka University Graduate School of Medicine, Suita, Japan
| | - Ryoichi Imamura
- Department of Urology, Osaka University Graduate School of Medicine, Suita, Japan
| | - Yuki Kobayashi
- The Institute of Scientific and Industrial Research, Osaka University, Ibaraki, Japan
| | - Ayumu Taniguchi
- Department of Urology, Osaka University Graduate School of Medicine, Suita, Japan
| | - Shigeaki Nakazawa
- Department of Urology, Osaka University Graduate School of Medicine, Suita, Japan
| | - Taigo Kato
- Department of Urology, Osaka University Graduate School of Medicine, Suita, Japan
| | - Tomoko Namba-Hamano
- Department of Nephrology, Osaka University Graduate School of Medicine, Suita, Japan
| | - Toyofumi Abe
- Department of Urology, Osaka University Graduate School of Medicine, Suita, Japan
| | - Motohide Uemura
- Department of Urology, Osaka University Graduate School of Medicine, Suita, Japan
| | - Hikaru Kobayashi
- The Institute of Scientific and Industrial Research, Osaka University, Ibaraki, Japan
| | - Norio Nonomura
- Department of Urology, Osaka University Graduate School of Medicine, Suita, Japan
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10
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Hashimoto K, Yamane M, Sugimoto S, Hirano Y, Kurosaki T, Otani S, Miyoshi K, Ohara T, Okazaki M, Yoshimura T, Oto T, Matsukawa A, Toyooka S. Negative impact of recipient SPRED2 deficiency on transplanted lung in a mouse model. Transpl Immunol 2019; 57:101242. [PMID: 31446154 DOI: 10.1016/j.trim.2019.101242] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Revised: 08/10/2019] [Accepted: 08/21/2019] [Indexed: 12/25/2022]
Abstract
Ischemia-reperfusion injury (IRI) after lung transplantation mainly contributes to the development of primary graft dysfunction. The Sprouty-related EVH1-domain-containing (SPRED) protein family inhibits the mitogen activated protein kinase/extracellular-signal-regulated kinase (MAPK/ERK) pathway. Our study was aimed at examining the role of SPRED2 in IRI in mice that received orthotopic lung transplantation. Syngeneic mouse lung transplantation was performed in wild-type C57BL/6 J (WT) mice and Spred2 knockout (Spred2-/-) mice on the C57BL/6 J background from the WT donor. Four hours after reperfusion, blood gas analysis was performed, and lung grafts were sacrificed and analyzed. By using arterial oxygen tension measurements and histological evaluation using Lung Injury Score, we revealed more severe IRI in the grafts transplanted to Spred2-/- recipients, which manifested as exacerbated airway epithelial cell damage, interstitial edema with hemorrhage and neutrophil infiltration. Intragraft ERK1/2 activation and expression levels of proinflammatory cytokines and chemokines in Spred2-/- recipients were higher than those in WT recipients. SPRED2 plays an important role in protecting the lungs from IRI in lung transplantation recipients. We suggest that focused treatments suppressing the activity of the MAPK/ERK pathway in transplantation recipients could be the potential therapeutic option for the prevention of lung IRI.
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Affiliation(s)
- Kohei Hashimoto
- Department of General Thoracic Surgery and Breast and Endocrinological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Masaomi Yamane
- Department of General Thoracic Surgery and Breast and Endocrinological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan.
| | - Seiichiro Sugimoto
- Department of General Thoracic Surgery and Breast and Endocrinological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Yutaka Hirano
- Department of General Thoracic Surgery and Breast and Endocrinological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Takeshi Kurosaki
- Organ Transplant Center, Okayama University Hospital, Okayama, Japan
| | - Shinji Otani
- Organ Transplant Center, Okayama University Hospital, Okayama, Japan
| | - Kentaroh Miyoshi
- Department of General Thoracic Surgery and Breast and Endocrinological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Toshiaki Ohara
- Department of Pathology and Experimental Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Mikio Okazaki
- Department of General Thoracic Surgery and Breast and Endocrinological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Teizo Yoshimura
- Department of Pathology and Experimental Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Takahiro Oto
- Organ Transplant Center, Okayama University Hospital, Okayama, Japan
| | - Akihiro Matsukawa
- Department of Pathology and Experimental Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Shinichi Toyooka
- Department of General Thoracic Surgery and Breast and Endocrinological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
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