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Wang Y, Wang H, Zhang H, Liu T, Chen X. Metal-based micro/nanomaterials for hydrogen therapy and their biomedical applications. NANOSCALE 2025. [PMID: 40387479 DOI: 10.1039/d5nr00271k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2025]
Abstract
Hydrogen therapy, as an emerging and promising therapeutic strategy, utilizes the ability of hydrogen to selectively scavenge reactive oxygen species, exerting biological effects such as antioxidant, anti-inflammatory, anti-tumor and antibacterial, and showing significant therapeutic effects on many oxidative stress/inflammatory related diseases, and consequently has attracted extensive attention for clinical/preclinical studies. However, low water solubility and non-targeted diffusion of hydrogen limit its application in the treatment of many diseases. Metal-based micro/nanomaterials, serving as effective hydrogen storage and production platforms, represent ideal candidates for enhancing hydrogen delivery efficiency and achieving targeted hydrogen release. This review comprehensively explores the hydrogen release mechanisms, synthesis methods, and biomedical applications of hydrogen-releasing metal-based micro/nanomaterials. Furthermore, the challenges and limitations of metal-based micro/nanomaterials for hydrogen therapy are discussed, while providing forward-looking recommendations for future research and development directions in this field.
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Affiliation(s)
- Yu Wang
- Department of Chemical Engineering, Shaanxi Key Laboratory of Energy Chemical Process Intensification, Institution of Polymer Science in Chemical Engineering, School of Chemical Engineering and Technology, Xi'an Jiao Tong University, Xi'an 710049, China.
| | - Haoyu Wang
- Department of Chemical Engineering, Shaanxi Key Laboratory of Energy Chemical Process Intensification, Institution of Polymer Science in Chemical Engineering, School of Chemical Engineering and Technology, Xi'an Jiao Tong University, Xi'an 710049, China.
| | - Handan Zhang
- Department of Chemical Engineering, Shaanxi Key Laboratory of Energy Chemical Process Intensification, Institution of Polymer Science in Chemical Engineering, School of Chemical Engineering and Technology, Xi'an Jiao Tong University, Xi'an 710049, China.
| | - Tao Liu
- Department of Chemical Engineering, Shaanxi Key Laboratory of Energy Chemical Process Intensification, Institution of Polymer Science in Chemical Engineering, School of Chemical Engineering and Technology, Xi'an Jiao Tong University, Xi'an 710049, China.
| | - Xin Chen
- Department of Chemical Engineering, Shaanxi Key Laboratory of Energy Chemical Process Intensification, Institution of Polymer Science in Chemical Engineering, School of Chemical Engineering and Technology, Xi'an Jiao Tong University, Xi'an 710049, China.
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Jin J, Yue L, Du M, Geng F, Gao X, Zhou Y, Lu Q, Pan X. Molecular Hydrogen Therapy: Mechanisms, Delivery Methods, Preventive, and Therapeutic Application. MedComm (Beijing) 2025; 6:e70194. [PMID: 40297245 PMCID: PMC12035766 DOI: 10.1002/mco2.70194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2024] [Revised: 03/22/2025] [Accepted: 03/26/2025] [Indexed: 04/30/2025] Open
Abstract
Molecular hydrogen (H2), recognized as the smallest gas molecule, is capable of permeating cellular membranes and diffusing throughout the body. Due to its high bioavailability, H2 is considered a therapeutic gas for the treatment of various diseases. The therapeutic efficacy of hydrogen is contingent upon factors such as the administration method, duration of contact with diseased tissue, and concentration at targeted sites. H2 can be administered exogenously and is also produced endogenously within the intestinal tract. A comprehensive understanding of its delivery mechanisms and modes of action is crucial for advancing hydrogen medicine. This review highlights H₂'s mechanisms of action, summarizes its administration methods, and explores advancements in treating intestinal diseases (e.g., inflammatory bowel disease, intestinal ischemia-reperfusion, colorectal cancer). Additionally, its applications in managing other diseases are discussed. Finally, the challenges associated with its clinical application and potential solutions are explored. We propose that current delivery challenges faced by H2 can be effectively addressed through the use of nanoplatforms; furthermore, interactions between hydrogen and gut microbiota may provide insights into its mechanisms for treating intestinal diseases. Future research should explore the synergistic effects of H2 in conjunction with conventional therapies and develop personalized treatment plans to achieve precision medicine.
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Affiliation(s)
- Jiayi Jin
- School of PharmacyBinzhou Medical UniversityYantaiChina
| | - Lijun Yue
- School of PharmacyBinzhou Medical UniversityYantaiChina
| | - Maoru Du
- School of PharmacyBinzhou Medical UniversityYantaiChina
| | - Feng Geng
- School of PharmacyBinzhou Medical UniversityYantaiChina
| | - Xue Gao
- School of PharmacyBinzhou Medical UniversityYantaiChina
| | - Yuming Zhou
- Department of Laboratory MedicineYantai Affiliated Hospital of Binzhou Medical UniversityYantaiChina
| | - Qianqian Lu
- Department of OncologyYantai Affiliated Hospital of Binzhou Medical UniversityYantaiChina
| | - Xiaohong Pan
- School of PharmacyBinzhou Medical UniversityYantaiChina
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3
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Yang S, Zhang J, Xu L, Guan Y, Fang C, Zheng S, Yang H, Liu H, Zhang Y. The endogenous hydrogen gas (H 2) drives women's health: a comment on "Gut bacteria convert glucocorticoids into progestins in the presence of hydrogen gas". Front Endocrinol (Lausanne) 2025; 15:1504814. [PMID: 39974512 PMCID: PMC11835702 DOI: 10.3389/fendo.2024.1504814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2024] [Accepted: 12/30/2024] [Indexed: 02/21/2025] Open
Affiliation(s)
- Shuangling Yang
- School of Health Sciences, Guangzhou Xinhua University, Guangzhou, Guangdong, China
| | - Jiongshan Zhang
- Department of Traditional Chinese Medicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Luyao Xu
- Department of Gynecology, The Second Clinical School of Guangzhou University of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangdong Provincial Hospital of Chinese Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Yajie Guan
- Department of Spleen, Stomach, and Liver and Gallbladder Diseases, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, Henan, China
| | - Chun Fang
- College of Animal Science and Technology, Yangtze University, Jingzhou, Hubei, China
| | - Shuhui Zheng
- Research Center for Translational Medicine, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Hongzhi Yang
- Department of Traditional Chinese Medicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Haimei Liu
- Department of Physiology, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
- Research Centre of Basic Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Yaxing Zhang
- Department of Physiology, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
- Research Centre of Basic Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
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4
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Jiang Z, Ainiwaer M, Liu J, Ying B, Luo F, Sun X. Hydrogen therapy: recent advances and emerging materials. Biomater Sci 2024; 12:4136-4154. [PMID: 39021349 DOI: 10.1039/d4bm00446a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/20/2024]
Abstract
Hydrogen therapy, leveraging its selective attenuation of hydroxyl radicals (˙OH) and ONOO-, has emerged as a pivotal pathophysiological modulator with antioxidant, anti-inflammatory, and antiapoptotic attributes. Hydrogen therapy has been extensively studied both preclinically and clinically, especially in diseases with an inflammatory nature. Despite the substantial progress, challenges persist in achieving high hydrogen concentrations in target lesions, especially in cancer treatment. A notable breakthrough lies in water/acid reactive materials, offering enhanced hydrogen generation and sustained release potential. However, limitations include hydrogen termination upon material depletion and reduced bioavailability at targeted lesions. To overcome these challenges, catalytic materials like photocatalytic and sonocatalytic materials have surfaced as promising solutions. With enhanced permeability and retention effects, these materials exhibit targeted delivery and sustained stimuli-reactive hydrogen release. The future of hydrogen therapy hinges on continuous exploration and modification of catalytic materials. Researchers are urged to prioritize improved catalytic efficiency, enhanced lesion targeting effects, and heightened biosafety and biocompatibility in future development.
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Affiliation(s)
- Zheng Jiang
- Department of Otolaryngology, Head and Neck surgery, West China Hospital, Sichuan University, Chengdu 610041, Sichuan, China.
| | - Mailudan Ainiwaer
- Department of Otolaryngology, Head and Neck surgery, West China Hospital, Sichuan University, Chengdu 610041, Sichuan, China.
| | - Jun Liu
- Department of Otolaryngology, Head and Neck surgery, West China Hospital, Sichuan University, Chengdu 610041, Sichuan, China.
| | - Binwu Ying
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu 610041, Sichuan, China.
| | - Fengming Luo
- Center for High Altitude Medicine, West China Hospital, Sichuan University, Chengdu 610041, Sichuan, China.
- Department of Pulmonary and Critical Care Medicine, West China Hospital, Sichuan University, Chengdu 610041, Sichuan, China
| | - Xuping Sun
- Center for High Altitude Medicine, West China Hospital, Sichuan University, Chengdu 610041, Sichuan, China.
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 610054, Sichuan, China
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, Shandong, China
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5
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Li J, Huang G, Wang J, Wang S, Yu Y. Hydrogen Regulates Ulcerative Colitis by Affecting the Intestinal Redox Environment. J Inflamm Res 2024; 17:933-945. [PMID: 38370464 PMCID: PMC10871146 DOI: 10.2147/jir.s445152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Accepted: 01/23/2024] [Indexed: 02/20/2024] Open
Abstract
The redox balance in the intestine plays an important role in maintaining intestinal homeostasis, and it is closely related to the intestinal mucosal barrier, intestinal inflammation, and the gut microbiota. Current research on the treatment of ulcerative colitis has focused on immune disorders, excessive inflammation, and oxidative stress. However, an imbalance in intestinal redox reaction plays a particularly critical role. Hydrogen is produced by some anaerobic bacteria via hydrogenases in the intestine. Increasing evidence suggests that hydrogen, as an inert gas, is crucial for immunity, inflammation, and oxidative stress and plays a protective role in ulcerative colitis. Hydrogen maintains the redox state balance in the intestine in ulcerative colitis and reduces damage to intestinal epithelial cells by exerting its selective antioxidant ability. Hydrogen also regulates the intestinal flora, reduces the harmful effects of bacteria on the intestinal epithelial barrier, promotes the restoration of normal anaerobic bacteria in the intestines, and ultimately improves the integrity of the intestinal epithelial barrier. The present review focuses on the therapeutic mechanisms of hydrogen-targeting ulcerative colitis.
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Affiliation(s)
- Jiayi Li
- Department of Gastroenterology, Qilu Hospital, Shandong University, Jinan, Shandong, People’s Republic of China
| | - Gang Huang
- Department of Gastroenterology, Qilu Hospital, Shandong University, Jinan, Shandong, People’s Republic of China
| | - Juexin Wang
- Department of Gastroenterology, Qilu Hospital, Shandong University, Jinan, Shandong, People’s Republic of China
| | - Sui Wang
- Department of Gastroenterology, Qilu Hospital, Shandong University, Jinan, Shandong, People’s Republic of China
| | - Yanbo Yu
- Department of Gastroenterology, Qilu Hospital, Shandong University, Jinan, Shandong, People’s Republic of China
- Shandong Provincial Clinical Research Center for Digestive Disease, Qilu Hospital of Shandong University, Jinan, Shandong, People’s Republic of China
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6
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Li A, Cao T, Feng L, Hu Y, Zhou Y, Yang P. Recent Advances in Metal-Hydride-Based Disease Treatment. ACS APPLIED MATERIALS & INTERFACES 2024; 16:5355-5367. [PMID: 38265885 DOI: 10.1021/acsami.3c16668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2024]
Abstract
In comparison to traditional antioxidant treatment methods, the use of hydrogen to eliminate reactive oxygen species from the body has the advantages of high biological safety, strong selectivity, and high clearance rate. As an energy storage material, metal hydrides have been extensively studied and used in transporting hydrogen as clean energy, which can achieve a high hydrogen load and controlled hydrogen release. Considering the antioxidant properties of hydrogen and the delivery ability of metal hydrides, metal-hydride-based disease treatment strategies have attracted widespread attention. Up to now, metal hydrides have been reported for the treatment of tumors and a range of inflammation-related diseases. However, limited by the insufficient investment, the use of metal hydrides in disease treatment still has many shortcomings, such as low targeting efficiency, limited therapeutic activity, and complex material preparation process. Particularly, metal hydrides have been found to have a series of optical, acoustic, and catalytic properties when scaled up to the nanoscale, and these properties are also widely used to promote disease treatment effects. From this new perspective, we comprehensively summarize the very recent research progress on metal-hydride-based disease treatment in this review. Ultimately, the challenges and prospects of such a burgeoning cancer theranostics modality are outlooked to provide inspiration for the further development and clinical translation of metal hydrides.
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Affiliation(s)
- Ao Li
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, Heilongjiang 150001, People's Republic of China
| | - Tingting Cao
- Institute of Advanced Technology, Westlake Institute for Advanced Study, 18 Shilongshan Road, Hangzhou, Zhejiang 310024, People's Republic of China
- School of Engineering, Westlake University, 600 Dunyu Road, Hangzhou, Zhejiang 310030, People's Republic of China
| | - Lili Feng
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, Heilongjiang 150001, People's Republic of China
| | - Yaoyu Hu
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, Heilongjiang 150001, People's Republic of China
| | - Yaofeng Zhou
- Institute of Advanced Technology, Westlake Institute for Advanced Study, 18 Shilongshan Road, Hangzhou, Zhejiang 310024, People's Republic of China
- School of Engineering, Westlake University, 600 Dunyu Road, Hangzhou, Zhejiang 310030, People's Republic of China
| | - Piaoping Yang
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, Heilongjiang 150001, People's Republic of China
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Khiji MN, Arghidash F, Tanha GK, Zadeh RH, Ghorbani E, Khazaei M, Hassanian SM, Gataa IS, Lam AKY, Giovannetti E, Ferns GA, Nazari E, Avan A. The Therapeutic Application of Hydrogen in Cancer: The Potential and Challenges. Curr Pharm Des 2024; 30:1295-1306. [PMID: 38638053 DOI: 10.2174/0113816128296710240404040232] [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: 01/01/2024] [Revised: 03/09/2024] [Accepted: 03/12/2024] [Indexed: 04/20/2024]
Abstract
Hydrogen therapy has emerged as a possible approach for both preventing and treating cancer. Cancers are often associated with oxidative stress and chronic inflammation. Hydrogen, with its unique physiological functions and characteristics, exhibits antioxidant, anti-inflammatory, and anti-apoptotic properties, making it an attractive candidate for cancer treatment. Through its ability to mitigate oxidative damage, modulate inflammatory responses, and sustain cellular viability, hydrogen demonstrates significant potential in preventing cancer recurrence and improving treatment outcomes. Preclinical studies have shown the efficacy of hydrogen therapy in several cancer types, highlighting its ability to enhance the effectiveness of conventional treatments while reducing associated side effects. Furthermore, hydrogen therapy has been found to be safe and well-tolerated in clinical settings. Nonetheless, additional investigations are necessary to improve a comprehensive understanding of the mechanisms underlying hydrogen's therapeutic potential and refine the administration and dosage protocols. However, further clinical trials are still needed to explore its safety profile and capacity. In aggregate, hydrogen therapy represents an innovative and promising treatment for several malignancies.
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Affiliation(s)
- Morteza Nazari Khiji
- Student Research Committee, Sabzevar University of Medical Sciences, Sabzevar, Iran
| | - Faezeh Arghidash
- Department of Medical Biotechnology and Nanotechnology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Ghazaleh Khalili Tanha
- Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Rasoul Hossein Zadeh
- Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Elnaz Ghorbani
- Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Majid Khazaei
- Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Seyed Mahdi Hassanian
- Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Alfred King-Yin Lam
- Department of Pathology, School of Medicine and Dentistry, Griffith University, Gold Coast Campus, Gold Coast, QLD 4222, Australia
| | - Elisa Giovannetti
- Cancer Pharmacology Lab, AIRC Start Up Unit, Fondazione Pisana per La Scienza, Pisa, Italy
- Department of Medical Oncology, Cancer Center Amsterdam, Amsterdam U.M.C., VU University Medical Center [VUMC], Amsterdam, The Netherlands
| | - Gordon A Ferns
- Division of Medical Education, Brighton & Sussex Medical School, Falmer, Brighton, Sussex BN1 9PH, UK
| | - Elham Nazari
- Department of Health Information, Technology and Management, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Amir Avan
- Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Faculty of Health, School of Biomedical Sciences, Queensland University of Technology, Brisbane, Australia
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8
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Cheng D, Long J, Zhao L, Liu J. Hydrogen: A Rising Star in Gas Medicine as a Mitochondria-Targeting Nutrient via Activating Keap1-Nrf2 Antioxidant System. Antioxidants (Basel) 2023; 12:2062. [PMID: 38136182 PMCID: PMC10740752 DOI: 10.3390/antiox12122062] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 11/27/2023] [Accepted: 11/28/2023] [Indexed: 12/24/2023] Open
Abstract
The gas molecules O2, NO, H2S, CO, and CH4, have been increasingly used for medical purposes. Other than these gas molecules, H2 is the smallest diatomic molecule in nature and has become a rising star in gas medicine in the past few decades. As a non-toxic and easily accessible gas, H2 has shown preventive and therapeutic effects on various diseases of the respiratory, cardiovascular, central nervous system, and other systems, but the mechanisms are still unclear and even controversial, especially the mechanism of H2 as a selective radical scavenger. Mitochondria are the main organelles regulating energy metabolism in living organisms as well as the main organelle of reactive oxygen species' generation and targeting. We propose that the protective role of H2 may be mainly dependent on its unique ability to penetrate every aspect of cells to regulate mitochondrial homeostasis by activating the Keap1-Nrf2 phase II antioxidant system rather than its direct free radical scavenging activity. In this review, we summarize the protective effects and focus on the mechanism of H2 as a mitochondria-targeting nutrient by activating the Keap1-Nrf2 system in different disease models. In addition, we wish to provide a more rational theoretical support for the medical applications of hydrogen.
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Affiliation(s)
- Danyu Cheng
- Center for Mitochondrial Biology and Medicine, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an 710049, China; (D.C.); (J.L.)
| | - Jiangang Long
- Center for Mitochondrial Biology and Medicine, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an 710049, China; (D.C.); (J.L.)
| | - Lin Zhao
- Cardiometabolic Innovation Center, Ministry of Education, Department of Cardiology, First Affiliated Hospital of Xi’an Jiaotong University, Xi’an 710061, China
| | - Jiankang Liu
- Center for Mitochondrial Biology and Medicine, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an 710049, China; (D.C.); (J.L.)
- School of Health and Life Sciences, University of Health and Rehabilitation Sciences, Qingdao 266071, China
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9
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Kiyama T, Tokunaga A, Naji A, Barbul A. Changes in the negative logarithm of end-tidal hydrogen partial pressure indicate the variation of electrode potential in healthy Japanese subjects. Sci Rep 2023; 13:15473. [PMID: 37726384 PMCID: PMC10509160 DOI: 10.1038/s41598-023-42651-8] [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: 02/17/2023] [Accepted: 09/13/2023] [Indexed: 09/21/2023] Open
Abstract
Molecular hydrogen (H2) is produced by human colon microbiomes and exhaled. End-tidal H2 sampling is a simple method of measuring alveolar H2. The logarithm of the hydrogen ion (H+)/H2 ratio suggests the electrode potential in the solution according to the Nernst equation. As pH is defined as the negative logarithm of the H+ concentration, pH2 is defined as the negative logarithm of the H2 effective pressure in this study. We investigated whether changes in pH2 indicated the variation of electrode potential in the solution and whether changes in end-tidal pH2 could be measured using a portable breath H2 sensor. Changes in the electrode potential were proportional to ([Formula: see text]) in phosphate-buffered solution (pH = 7.1). End-tidal H2 was measured in the morning (baseline) and at noon (after daily activities) in 149 healthy Japanese subjects using a handheld H2 sensor. The median pH2 at the baseline was 4.89, and it increased by 0.15 after daily activities. The variation of electrode potential was obtained by multiplying the pH2 difference, which suggested approximately + 4.6 mV oxidation after daily activities. These data suggested that changes in end-tidal pH2 indicate the variation of electrode potential during daily activities in healthy human subjects.
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Affiliation(s)
- Teruo Kiyama
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Bunkyo, Tokyo, Japan.
- Department of Surgery, TMG Asaka Medical Center, Asaka, Saitama, Japan.
- Department of Surgery, Musashino Tokushukai Hospital, Nishi-Tokyo, Tokyo, Japan.
| | - Akira Tokunaga
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Bunkyo, Tokyo, Japan
| | - Abumrad Naji
- Department of Surgery, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Adrian Barbul
- Department of Surgery, Vanderbilt University School of Medicine, Nashville, TN, USA
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10
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Molecular Hydrogen Reduces Electromagnetic Pulse-Induced Male Rat Reproductive System Damage in a Rodent Model. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:3469474. [PMID: 36199428 PMCID: PMC9527415 DOI: 10.1155/2022/3469474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 03/11/2022] [Accepted: 08/30/2022] [Indexed: 12/08/2022]
Abstract
Infertility has got to be a broadly concerned social issue these days, in which the malefactor cannot be overlooked. Numerous studies have shown that electromagnetic pulse (EMP) radiation may have seriously damaging effects on reproductive health, through nonthermal effects and oxidative stress. Molecular hydrogen, a selective hydroxyl radical scavenger, explains the protective effects against many diseases closely associated with oxidative damage, such as ionizing radiation (IR). We sought to characterize the beneficial effects of molecular hydrogen on the male reproductive system in a rodent EMP exposure model. The 8-week-old male Sprague-Dawley rats were exposed to EMP (peak intensity 1000 kV/m, pulse edge 20 ns, pulse width 200 ns, 1 Hz, and 200 pulses), with or without hydrogen-rich water. The pathological structure of the testis, the rate of apoptosis of the testis, the serum testosterone level, the sperm parameters, and the activity of the antioxidant enzymes of the testis were measured. Then, transcriptomic and untargeted metabolomic analyses were applied to uncover the underlying mechanism. Exposure to EMP increased testicular apoptosis rate and apoptosis protein level, decreased sperm viability and motility, decreased serum testosterone levels, and diminished testicular antioxidant capacity. Molecular hydrogen-alleviated damage decreased the testicular apoptosis rate and apoptosis protein level, increased sperm motility, increased serum testosterone levels, and improved antioxidative capacity. Omics results showed that molecular hydrogen has a strong influence on metabolic pathways, and EMP affects mainly oxidative phosphorylation, TNF signaling pathways, and cytokine-receptor interactions. The mechanism of molecular hydrogen's effect may be related to the reversal of some metabolite levels. These observations warrant molecular hydrogen as an innovative approach for potential protection against EMP.
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Koyama Y, Kobayashi Y, Hirota I, Sun Y, Ohtsu I, Imai H, Yoshioka Y, Yanagawa H, Sumi T, Kobayashi H, Shimada S. A new therapy against ulcerative colitis via the intestine and brain using the Si-based agent. Sci Rep 2022; 12:9634. [PMID: 35688905 PMCID: PMC9187638 DOI: 10.1038/s41598-022-13655-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Accepted: 05/09/2022] [Indexed: 01/01/2023] Open
Abstract
Ulcerative colitis (UC) is a non-specific inflammatory bowel disease that causes ulcers and erosions in the colonic mucosa and becomes chronic with cycles of amelioration and exacerbation. Because its exact etiology remains largely unclear, and the primary therapy is limited to symptomatic treatment, the development of new therapeutic agent for UC is highly desired. Because one of the disease pathogenesis is involvement of oxidative stress, it is likely that an appropriate antioxidant will be an effective therapeutic agent for UC. Our silicon (Si)-based agent, when ingested, allowed for stable and persistent generation of massive amounts of hydrogen in the gastrointestinal tract. We demonstrated the Si-based agent alleviated the mental symptom as well as the gastrointestinal symptoms, inflammation, and oxidation associated with dextran sodium sulfate-induced UC model through Hydrogen and antioxidant sulfur compounds. As the Si-based agent was effective in treating UC in the brain and large intestine of mice, it was considered to be capable of suppressing exacerbations and sustaining remission of UC.
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Affiliation(s)
- Yoshihisa Koyama
- Department of Neuroscience and Cell Biology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan. .,Addiction Research Unit, Osaka Psychiatric Research Center, Osaka Psychiatric Medical Center, Osaka, 541-8567, Japan.
| | | | - Ikuei Hirota
- Department of Neuroscience and Cell Biology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Yuanjie Sun
- Department of Neuroscience and Cell Biology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Iwao Ohtsu
- University of Tsukuba, Faculty of Life and Environmental Sciences, 108-2, Cooperative Research Building A, Ibaraki, 305-8577, Japan.,Euglena Co., Ltd., Tokyo, 408-0014, Japan
| | - Hiroe Imai
- University of Tsukuba, R&D Center for Tailor-Made-QOL, 108-2, Cooperative Research Building A, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8577, Japan
| | - Yoshichika Yoshioka
- Graduate School of Frontier Biosciences, Osaka University, Osaka, 565-0871, Japan.,Center for Information and Neural Networks, National Institute of Information and Communications Technology (NICT) and Osaka University, Osaka, 565-0871, Japan.,Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Osaka, 565-0871, Japan
| | - Hiroto Yanagawa
- Department of Neuroscience and Cell Biology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Takuya Sumi
- Department of Neuroscience and Cell Biology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan.,Department of Cell Biology, Graduate School of Medicine, Osaka University, Osaka, 565-0871, Japan
| | | | - Shoichi Shimada
- Department of Neuroscience and Cell Biology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan.,Addiction Research Unit, Osaka Psychiatric Research Center, Osaka Psychiatric Medical Center, Osaka, 541-8567, Japan
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12
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Zou R, Nie C, Pan S, Wang B, Hong X, Xi S, Bai J, Yu M, Liu J, Yang W. Co-administration of hydrogen and metformin exerts cardioprotective effects by inhibiting pyroptosis and fibrosis in diabetic cardiomyopathy. Free Radic Biol Med 2022; 183:35-50. [PMID: 35304269 DOI: 10.1016/j.freeradbiomed.2022.03.010] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 03/02/2022] [Accepted: 03/11/2022] [Indexed: 12/28/2022]
Abstract
Hydrogen is a novel medical gas with several properties, including anti-oxidative, anti-inflammatory, anti-apoptotic, anti-allergic, and energy metabolism stimulating properties. Hydrogen therapy has been proven effective in the treatment of myocardial ischemia, myocardial infarction, and ischemia-reperfusion injury. Diabetic cardiomyopathy (DCM) is a serious cardiovascular complication of long-term chronic diabetes that is linked to increased heart failure and arrhythmia morbidity. The effect of hydrogen on the pathogenesis of DCM is yet to be determined. Metformin is a well-known pharmacological agent for the treatment of diabetes; however, the application of large doses of the drug is limited by its side effects. Therefore, this highlights the importance of developing novel therapies against DCM. In this regard, we investigated the effect of hydrogen on DCM and the mechanisms that underlie it. Furthermore, we also assessed the efficacy of co-administration of metformin and hydrogen. In this study, we found that hydrogen improved cardiac dysfunction and abnormal morphological structure in streptozotocin-induced diabetic mice. As a mechanism, it was confirmed that hydrogen mediated its action by reducing pyroptosis via inhibition of the AMPK/mTOR/NLRP3 signaling pathway and ameliorating fibrosis via inhibition of the TGF-β1/Smad signaling pathway. Furthermore, our findings suggested that co-administration of hydrogen and metformin shows potent protective effects, as evidenced by increased survival rates, reduced fasting blood glucose, and decreased cell injury when compared to a single application of metformin. In conclusion, our study demonstrated that hydrogen inhalation attenuates DCM by reducing pyroptosis and fibrosis and that hydrogen can be combined with metformin to exhibit a more potent cardioprotective effect in DCM.
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Affiliation(s)
- Rentong Zou
- Department of Cardiology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, 150000, China
| | - Chaoqun Nie
- Department of Cardiology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, 150000, China
| | - Shuang Pan
- Department of Cardiology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, 150000, China
| | - Bin Wang
- Department of Cardiology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, 150000, China
| | - Xiaojian Hong
- Department of Cardiology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, 150000, China
| | - Shuiqing Xi
- Department of Cardiology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, 150000, China
| | - Juncai Bai
- Department of Cardiology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, 150000, China
| | - Mengshu Yu
- Department of Cardiology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, 150000, China
| | - Jiaren Liu
- Department of Clinical Lab, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, 150000, China
| | - Wei Yang
- Department of Cardiology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, 150000, China.
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13
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Mouzakis FL, Khadka LB, Pereira da Silva M, Mottaghy K. Quantification of dissolved H 2 and continuous monitoring of hydrogen-rich water for haemodialysis applications: An experimental study. Int J Artif Organs 2022; 45:254-261. [PMID: 35075943 PMCID: PMC8866747 DOI: 10.1177/03913988211070588] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The prevalence of oxidative and inflammatory stress in end-stage renal disease (ESRD) patients has often been associated with chronic haemodialysis therapies. Over the past decades, several reports have shown the potential of hydrogen molecule as an antioxidant in the treatment of various medical conditions in animal models, as well as in pilot studies with human patients. Recently, a hydrogen-enriched dialysate solution has been introduced, holding promise in reducing the oxidative and/or inflammatory complications arising during haemodialysis. To this end, a standardised measuring method to determine the levels of hydrogen in dialysate and subsequently in blood is required. This study explores the possibility of quantifying hydrogen concentration using a novel contactless sensor that detects dissolved hydrogen in liquids. An experimental circuit is assembled to validate the sensitivity and accuracy of the hydrogen monitoring system (Pureron Japan Co., Ltd) through in vitro investigations with physiological solutions. Measurements of dissolved molecular hydrogen concentration are corroborated by an established oxygen sensor providing continuous partial pressure readings. The relationship between the applied H2 content in the gaseous mixture and the H2 concentration value at equilibrium is linear. At the same time, the hydrogen monitoring system has a rather long response time, and its readings seem to slightly diverge from sensor to sensor as well as at different temperatures. For this reason, a sensor recalibration might be necessary, which could become part of the product's ongoing development. Nevertheless, the aforementioned minor deficiencies can be mostly considered negligible in applications such as haemodialysis.
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Affiliation(s)
| | - Lal Babu Khadka
- Institute of Physiology, RWTH Aachen University Hospital, Aachen, Germany
| | - Miguel Pereira da Silva
- Institute of Physiology, RWTH Aachen University Hospital, Aachen, Germany.,Laboratory of Membrane Processes CeFEMA, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - Khosrow Mottaghy
- Institute of Physiology, RWTH Aachen University Hospital, Aachen, Germany
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14
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Qian L, Liu J, Ma W, Liu Y, Wang X, Liu D. Hydrogen-Rich Water Ameliorates Murine Chronic Graft-versus-Host Disease through Antioxidation. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:1165928. [PMID: 34691352 PMCID: PMC8531770 DOI: 10.1155/2021/1165928] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Accepted: 09/25/2021] [Indexed: 01/14/2023]
Abstract
BACKGROUND Allogeneic hematopoietic stem cell transplantation (allo-HSCT) is an important treatment option for various hematopoietic diseases and certain hereditary diseases. Chronic graft-versus-host disease (cGVHD) has become the main life-threatening complication and cause of death in later stage postallo-HSCT. Current treatment options for cGVHD are limited. Hydrogen gas (H2) has been demonstrated that has antioxidative, anti-inflammatory, and antifibrosis effects. The aim of this study was to confirm whether oral administration hydrogen-rich water exerted therapeutic effects on a scleroderma cGVHD mouse model and tried to explain the mechanism underly it. METHODS A mouse cGVHD model was established by haploidentical bone marrow transplantation. To evaluate therapeutic effects of H2 on cGVHD, survival rate, changes in clinical scores, and skin pathologic characteristics of cGVHD mice were observed. To evaluate its therapeutic mechanism, we detected the expression levels of antioxidative enzymes heme oxygenase-1(HO-1) and NAD (P)H: quinone acceptor oxidoreductase 1(NQO1) in skin homogenates. We also detected the expression level of the apoptotic protein caspase-3 in skin homogenates. RESULTS 1-month survival rate of cGVHD mice in the hydrogen group reached 93.3%, significantly higher than 66.7% in the nonhydrogen group (p < 0.05). Clinical score of cGVHD mice was improved by hydrogen-rich water at 96 days posttransplantation (2.2 versus 4.5, p < 0.05). The skin pathological condition of cGVHD mice was significantly improved by hydrogen-rich water. At 96 days posttransplantation, average skin pathological hematoxylin and eosin (HE) staining score in the hydrogen group was 1.05, which was significantly lower than 3.2 in the nonhydrogen group (p < 0.01). Average Masson staining score was 0.6 point in the hydrogen group, lower than 0.9 point in the nonhydrogen group (p < 0.05). Both the relative expression levels of HO-1 and NQO1 proteins in skin specimens of cGVHD mice in the hydrogen group were lower than that in the nonhydrogen group (2.47 versus 6.21 and 1.83 versus 3.59, p < 0.05). The relative expression level of caspase-3 protein in skin specimens of cGVHD mice increased to 7.17 on the 96th day after transplantation, significantly higher than 4.36 in the hydrogen group. CONCLUSION In this study, we found that oral hydrogen-rich water improved the survival rate and clinical symptoms of cGVHD mice by antioxidant and antiapoptosis. This study would pave the way for further clinical study, which may provide a new treatment option for cGVHD.
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Affiliation(s)
- Liren Qian
- Senior Department of Hematology, The Fifth Medical Center, Chinese PLA General Hospital, Chinese PLA Medical School, Beijing, China
| | - Jiaxin Liu
- Senior Department of Hematology, The Fifth Medical Center, Chinese PLA General Hospital, Chinese PLA Medical School, Beijing, China
| | - Weina Ma
- Senior Department of Hematology, The Fifth Medical Center, Chinese PLA General Hospital, Chinese PLA Medical School, Beijing, China
| | - Yu Liu
- Senior Department of Hematology, The Fifth Medical Center, Chinese PLA General Hospital, Chinese PLA Medical School, Beijing, China
| | - Xiaona Wang
- Senior Department of Hematology, The Fifth Medical Center, Chinese PLA General Hospital, Chinese PLA Medical School, Beijing, China
| | - Daihong Liu
- Senior Department of Hematology, The Fifth Medical Center, Chinese PLA General Hospital, Chinese PLA Medical School, Beijing, China
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15
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Du D, Zhao L, Shen M, Noda M, Qin S, Long J, Sun X, Liu J. Hydrogen medicine: A rising star in gas medicine. TRADITIONAL MEDICINE AND MODERN MEDICINE 2021. [DOI: 10.1142/s2575900020300052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Gas medicine, including O2, NO, H2S, CO, CH4, has played important roles in prevention and treatment of diseases for a long time. Molecular hydrogen (H2), the smallest diatomic molecule in nature, has become a rising star in gas medicine in the past decades. Many studies have shown that H2 has preventive and therapeutic effects on various diseases through its selective antioxidant activity. H2, as a non-toxic gas for the human body and convenience to obtain, has provided a great possibility to be used widely. Currently, the main difficulties in hydrogen medicine are lack of definitive clinical evidence and the molecular basis of hydrogen effects. In this paper, the authors have conducted a comprehensive review and analysis of these issues, and also proposed the possibility of developing Hydrogen Biology and Hydrogen Medicine as new disciplines of biology and medicine.
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Affiliation(s)
- Dongyue Du
- Center for Mitochondrial Biology and Medicine, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an 710049, Shaanxi, P. R. China
| | - Lin Zhao
- Center for Mitochondrial Biology and Medicine, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an 710049, Shaanxi, P. R. China
| | - Meihua Shen
- Center for Mitochondrial Biology and Medicine, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an 710049, Shaanxi, P. R. China
- Department of Intensive Care Unit, Shanghai Provincial Crops Hospital, Chinese People’s Armed Police Forces, 831 Hongxu Road, Shanghai 201103, P. R. China
| | - Mami Noda
- Laboratory of Pathophysiology, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Shucun Qin
- Taishan Institute for Hydrogen Biomedicine, Shandong First Medical University and Shandong Academy of Medical Sciences, Tai’an 271000, P. R. China
| | - Jiangang Long
- Center for Mitochondrial Biology and Medicine, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an 710049, Shaanxi, P. R. China
| | - Xuejun Sun
- Center for Mitochondrial Biology and Medicine, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an 710049, Shaanxi, P. R. China
- Department of Naval Medicine, Second Military Medical University, Shanghai, P. R. China
| | - Jiankang Liu
- Center for Mitochondrial Biology and Medicine, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an 710049, Shaanxi, P. R. China
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16
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Radyuk SN. Mechanisms Underlying the Biological Effects of Molecular Hydrogen. Curr Pharm Des 2021; 27:626-735. [PMID: 33308112 DOI: 10.2174/1381612826666201211112846] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 10/19/2020] [Indexed: 11/22/2022]
Abstract
Aberrant redox-sensitive reactions and accumulation of oxidative damage can impair body functions and contribute to the development of various pathologies and aging. Although antioxidant substances have long been recognized as a measure of alleviating oxidative stress and restoring redox balance, the arsenal of effective means of preventing the development of various disorders, is still limited. There is an emerging field that utilizes molecular hydrogen (H2) as a scavenger of free radicals and reactive oxygen species (ROS). Among the remarkable characteristics of H2 is its ability to counteract the harmful effects of hydroxyl radical and peroxynitrite without affecting the activity of functionally important ROS, such as hydrogen peroxide and nitric oxide. The beneficial effects of H2 have been documented in numerous clinical studies and studies on animal models and cell cultures. However, the established scavenging activity of H2 can only partially explain its beneficial effects because the effects are achieved at very low concentrations of H2. Given the rate of H2 diffusion, such low concentrations may not be sufficient to scavenge continuously generated ROS. H2 can also act as a signaling molecule and induce defense responses. However, the exact targets and mechanism(s) by which H2 exerts these effects are unknown. Here, we analyzed both positive and negative effects of the endogenous H2, identified the redox-sensitive components of the pathways affected by molecular hydrogen, and also discussed the potential role of molecular hydrogen in regulating cellular redox.
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Affiliation(s)
- Svetlana N Radyuk
- Department of Biological Sciences, Southern Methodist University, 6501 Airline Rd., Dallas, Texas, United States
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17
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Bajgai J, Lee KJ, Rahman MH, Fadriquela A, Kim CS. Role of Molecular Hydrogen in Skin Diseases and its Impact in Beauty. Curr Pharm Des 2021; 27:737-746. [PMID: 32981497 DOI: 10.2174/1381612826666200925124235] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Accepted: 08/16/2020] [Indexed: 11/22/2022]
Abstract
In today's society, healthy skin and a beautiful appearance are considered the foundation of general well-being. The skin is the largest organ of the body and plays an important role in protecting it against various hazards such as environmental, physical, chemical, and biological hazards. These factors include mediators that lead to oxidation reactions that produce reactive oxygen/nitrogen species and additional oxidants in the skin cells. An increase in oxidants beyond the antioxidant capacity of its defense system causes oxidative stress and chronic inflammation in the body. This response can cause further disruption of collagen fibers and hinder the functioning of skin cells that may result in the development of various skin diseases including psoriasis, atopic dermatitis, and aging. In this review, we summarized the present information related to the role of oxidative stress in the pathogenesis of dermatological disorders, and its impact on physical beauty and the daily lives of patients. We also discussed how molecular hydrogen exhibits a therapeutic effect against skin diseases via its effects on oxidative stress. Furthermore, findings from this summary review indicate that molecular hydrogen might be an effective treatment modality for the prevention and treatment of skin-related illnesses.
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Affiliation(s)
- Johny Bajgai
- Department of Environmental Medical Biology, Yonsei University Wonju College of Medicine, Wonju, Gangwon-do26426, Korea
| | - Kyu-Jae Lee
- Department of Environmental Medical Biology, Yonsei University Wonju College of Medicine, Wonju, Gangwon-do26426, Korea
| | - Md Habibur Rahman
- Department of Environmental Medical Biology, Yonsei University Wonju College of Medicine, Wonju, Gangwon-do26426, Korea
| | - Ailyn Fadriquela
- Department of Environmental Medical Biology, Yonsei University Wonju College of Medicine, Wonju, Gangwon-do26426, Korea
| | - Cheol-Su Kim
- Department of Environmental Medical Biology, Yonsei University Wonju College of Medicine, Wonju, Gangwon-do26426, Korea
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18
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Nogueira JE, Branco LGS. Recent Advances in Molecular Hydrogen Research Reducing Exercise-Induced Oxidative Stress and Inflammation. Curr Pharm Des 2021; 27:731-736. [PMID: 33185152 DOI: 10.2174/1381612826666201113100245] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Accepted: 08/09/2020] [Indexed: 11/22/2022]
Abstract
Physical exercise-induced oxidative stress and inflammation may be beneficial when exercise is a regular activity, but it is rather harmful when exercise is exhaustive and performed by unaccustomed organisms. Molecular hydrogen (H2) has recently appeared as a potent antioxidant and anti-inflammatory molecule in numerous pathological conditions. However, its role is relatively unknown under physiological conditions such as physical exercise. Therefore, this review summarizes the current knowledge of the H2, reducing oxidative stress and inflammation in physical exercise, reporting data from both animal and human studies.
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Affiliation(s)
- Jonatas E Nogueira
- School of Physical Education and Sports of Ribeirao Preto, University of Sao Paulo, Ribeirao Preto, SP, Brazil
| | - Luiz G S Branco
- Department of Basic and Oral Biology, Dental School of Ribeirao Preto, University of Sao Paulo, Ribeirao Preto, SP, Brazil
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19
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Ohsawa I. Biological Responses to Hydrogen Molecule and its Preventive Effects on Inflammatory Diseases. Curr Pharm Des 2021; 27:659-666. [PMID: 32981496 DOI: 10.2174/1381612826666200925123510] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 08/09/2020] [Indexed: 11/22/2022]
Abstract
Because multicellular organisms do not have hydrogenase, H2 has been considered to be biologically inactive in these species, and enterobacteria to be largely responsible for the oxidation of H2 taken into the body. However, we showed previously that inhalation of H2 markedly suppresses brain injury induced by focal ischemia-reperfusion by buffering oxidative stress. Although the reaction constant of H2 with hydroxyl radical in aqueous solution is two to three orders of magnitude lower than that of conventional antioxidants, we showed that hydroxyl radical generated by the Fenton reaction reacts with H2 at room temperature without a catalyst. Suppression of hydroxyl radical by H2 has been applied in ophthalmic surgery. However, many of the anti- inflammatory and other therapeutic effects of H2 cannot be completely explained by its ability to scavenge reactive oxygen species. H2 administration is protective in several disease models, and preculture in the presence of H2 suppresses oxidative stress-induced cell death. Specifically, H2 administration induces mitochondrial oxidative stress and activates Nrf2; this phenomenon, in which mild mitochondrial stress leaves the cell less susceptible to subsequent perturbations, is called mitohormesis. Based on these findings, we conclude that crosstalk between antioxidative stress pathways and the anti-inflammatory response is the most important molecular mechanism involved in the protective function of H2, and that regulation of the immune system underlies H2 efficacy. For further medical applications of H2, it will be necessary to identify the biomolecule on which H2 first acts.
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Affiliation(s)
- Ikuroh Ohsawa
- Biological Process of Aging, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
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20
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Satoh Y. The Potential of Hydrogen for Improving Mental Disorders. Curr Pharm Des 2021; 27:695-702. [PMID: 33185151 DOI: 10.2174/1381612826666201113095938] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 08/20/2020] [Indexed: 11/22/2022]
Abstract
In 2007, Ohsawa and colleagues reported that molecular hydrogen (H2) gas significantly reduced the infarct volume size in a rat model of cerebral infarction, which was, at least, partially due to scavenging hydroxyl radicals. Since then, multiple studies have shown that H2 has not only anti-oxidative but also anti-inflammatory and anti-apoptotic properties, which has ignited interest in the clinical use of H2 in diverse diseases. A growing body of studies has indicated that H2 affects both mental and physical conditions. Mental disorders are characterized by disordered mood, thoughts, and behaviors that affect the ability to function in daily life. However, there is no sure way to prevent mental disorders. Although antidepressant and antianxiety drugs relieve symptoms of depression and anxiety, they have efficacy limitations and are accompanied by a wide range of side effects. While mental disorders are generally thought to be caused by a variety of genetic and/or environmental factors, recent progress has shown that these disorders are strongly associated with increased oxidative and inflammatory stress. Thus, H2 has received much attention as a novel therapy for the prevention and treatment of mental disorders. This review summarizes the recent progress in the use of H2 for the treatment of mental disorders and other related diseases. We also discuss the potential mechanisms of the biomedical effects of H2 and conclude that H2 could offer relief to people suffering from mental disorders.
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Affiliation(s)
- Yasushi Satoh
- Department of Biochemistry, National Defense Medical College, Tokorozawa, Saitama, Japan
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21
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Kubota M, Kawashima M, Inoue S, Imada T, Nakamura S, Kubota S, Watanabe M, Takemura R, Tsubota K. Randomized, crossover clinical efficacy trial in humans and mice on tear secretion promotion and lacrimal gland protection by molecular hydrogen. Sci Rep 2021; 11:6434. [PMID: 33742060 PMCID: PMC7979688 DOI: 10.1038/s41598-021-85895-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Accepted: 03/08/2021] [Indexed: 12/01/2022] Open
Abstract
The incidence of dry eye disease is increasing worldwide because of the aging population and increasing use of information technology. Dry eye disease manifests as tear-layer instability and inflammation caused by osmotic hypersensitization in tear fluids; however, to our knowledge, no agent that treats both pathologies simultaneously is available. Molecular hydrogen (H2) is known to be effective against various diseases; therefore, we aimed to elucidate the effects of H2 on tear dynamics and the treatment of dry eye disease. We revealed that administering a persistent H2-generating supplement increased the human exhaled H2 concentration (p < 0.01) and improved tear stability (p < 0.01) and dry eye symptoms (p < 0.05) significantly. Furthermore, H2 significantly increased tear secretion in healthy mice (p < 0.05) and significantly suppressed tear reduction in a murine dry eye model (p = 0.007). H2 significantly and safely improved tear stability and dry eye symptoms in a small exploratory group of 10 human subjects, a subset of whom reported dry eye symptoms prior to treatment. Furthermore, it increased tear secretion rapidly in normal mice. Therefore, H2 may be a safe and effective new treatment for dry eye disease and thus larger trials are warranted.
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Affiliation(s)
- Miyuki Kubota
- Department of Ophthalmology, Keio University School of Medicine, 35 Shinanomachi, Shinjukuku, Tokyo, 160-8582, Japan. .,Department of Ophthalmology, Shonan Keiiku Hospital, Kanagawa, Japan. .,Graduate School of Media and Governance, Keio University, Kanagawa, Japan.
| | - Motoko Kawashima
- Department of Ophthalmology, Keio University School of Medicine, 35 Shinanomachi, Shinjukuku, Tokyo, 160-8582, Japan
| | - Sachiko Inoue
- Department of Ophthalmology, Keio University School of Medicine, 35 Shinanomachi, Shinjukuku, Tokyo, 160-8582, Japan.,Hanegino Mori Eye Clinic, Tokyo, Japan
| | - Toshihiro Imada
- Department of Ophthalmology, Keio University School of Medicine, 35 Shinanomachi, Shinjukuku, Tokyo, 160-8582, Japan
| | - Shigeru Nakamura
- Department of Ophthalmology, Keio University School of Medicine, 35 Shinanomachi, Shinjukuku, Tokyo, 160-8582, Japan
| | - Shunsuke Kubota
- Department of Ophthalmology, Keio University School of Medicine, 35 Shinanomachi, Shinjukuku, Tokyo, 160-8582, Japan.,Department of Ophthalmology, Shonan Keiiku Hospital, Kanagawa, Japan.,Graduate School of Media and Governance, Keio University, Kanagawa, Japan
| | - Mitsuhiro Watanabe
- Department of Ophthalmology, Keio University School of Medicine, 35 Shinanomachi, Shinjukuku, Tokyo, 160-8582, Japan.,Graduate School of Media and Governance, Keio University, Kanagawa, Japan
| | - Ryo Takemura
- Clinical and Translational Research Center, Keio University Hospital, Tokyo, Japan
| | - Kazuo Tsubota
- Department of Ophthalmology, Keio University School of Medicine, 35 Shinanomachi, Shinjukuku, Tokyo, 160-8582, Japan. .,Tsubota Laboratory, Inc., Tokyo, Japan.
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22
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Zhang Y, Bi M, Chen Z, Dai M, Zhou G, Hu Y, Yang H, Guan W. Hydrogen gas alleviates acute alcohol-induced liver injury by inhibiting JNK activation. Exp Ther Med 2021; 21:453. [PMID: 33767761 PMCID: PMC7976433 DOI: 10.3892/etm.2021.9884] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2020] [Accepted: 12/08/2020] [Indexed: 11/09/2022] Open
Abstract
Binge alcohol drinking is fast becoming a global health concern, with the liver among the first organ involved and the one afflicted with the greatest degree of injury. Oxidative stress, alterations in hepatic metabolism, immunity and inflammation have all been reported to contribute to the development of alcoholic liver disease (ALD). Hydrogen gas (H2) serves a key role in the modulation of hepatic redox, immune and inflammatory homeostasis. However, the effects of treatment using intraperitoneal injection of H2 on ALD remain unexplored. Therefore, the aim of the present study was to investigate the effects and underlying mechanism of intraperitoneal injection of H2 on acute alcohol-induced liver injury in a mouse model. H2 was administered by daily intraperitoneal injections (1.0 ml/100 g) for 4 days. On day 4, the mice received H2 after fasting for 5.5 h. After 30 min, the mice were administered with 33% (v/v) ethanol at a cumulative dose of 4.5 g/kg body weight by four equally divided gavages at 20-min intervals. Blood and liver tissues were collected at 16 h after the first ethanol gavage. Subsequently, serum alanine aminotransferase (ALT), aspartate aminotransferase (AST), triglyceride and total cholesterol (TC) levels were analyzed using an Automatic Clinical Analyzer. Hepatic JNK activity and GAPDH levels were examined by western blotting. It was observed that acute ethanol gavage induced liver injury, as indicated by significantly increased serum ALT and AST levels, which were effectively decreased by H2 at 16 h after the first ethanol gavage. In addition, H2 treatment reduced serum TC levels in the Alcohol+H2 group when compared with those in Alcohol group. Mechanistically, H2 attenuated hepatic JNK phosphorylation induced by acute ethanol gavage. Therefore, the results of the present study demonstrated that treatment with exogenous H2 by intraperitoneal injection may alleviate acute alcohol-induced liver injury by inhibiting hepatic JNK activation, which may represent a novel therapeutic strategy for ALD.
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Affiliation(s)
- Yaxing Zhang
- Department of Traditional Chinese Medicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510630, P.R. China
| | - Mingmin Bi
- Department of Otorhinolaryngology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong 518107, P.R. China.,Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Zifeng Chen
- Biofeedback Laboratory, Xinhua College of Sun Yat-sen University, Guangzhou, Guangdong 510520, P.R. China.,Department of Biomedical Engineering, Xinhua College of Sun Yat-sen University, Guangzhou, Guangdong 510520, P.R. China
| | - Min Dai
- Department of Traditional Chinese Medicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510630, P.R. China
| | - Ge Zhou
- Department of Traditional Chinese Medicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510630, P.R. China
| | - Yuxuan Hu
- Department of Traditional Chinese Medicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510630, P.R. China
| | - Hongzhi Yang
- Department of Traditional Chinese Medicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510630, P.R. China
| | - Weibing Guan
- Department of Traditional Chinese Medicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510630, P.R. China
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23
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Wang WL, Ge TY, Chen X, Mao Y, Zhu YZ. Advances in the Protective Mechanism of NO, H 2S, and H 2 in Myocardial Ischemic Injury. Front Cardiovasc Med 2020; 7:588206. [PMID: 33195476 PMCID: PMC7661694 DOI: 10.3389/fcvm.2020.588206] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Accepted: 09/28/2020] [Indexed: 12/30/2022] Open
Abstract
Myocardial ischemic injury is among the top 10 leading causes of death from cardiovascular diseases worldwide. Myocardial ischemia is caused mainly by coronary artery occlusion or obstruction. It usually occurs when the heart is insufficiently perfused, oxygen supply to the myocardium is reduced, and energy metabolism in the myocardium is abnormal. Pathologically, myocardial ischemic injury generates a large number of inflammatory cells, thus inducing a state of oxidative stress. This sharp reduction in the number of normal cells as a result of apoptosis leads to organ and tissue damage, which can be life-threatening. Therefore, effective methods for the treatment of myocardial ischemic injury and clarification of the underlying mechanisms are urgently required. Gaseous signaling molecules, such as NO, H2S, H2, and combined gas donors, have gradually become a focus of research. Gaseous signaling molecules have shown anti-apoptotic, anti-oxidative and anti-inflammatory effects as potential therapeutic agents for myocardial ischemic injury in a large number of studies. In this review, we summarize and discuss the mechanism underlying the protective effect of gaseous signaling molecules on myocardial ischemic injury.
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Affiliation(s)
| | | | - Xu Chen
- Guilin Medical College, Guilin, China
| | - Yicheng Mao
- Shanghai Key Laboratory of Bioactive Small Molecules, Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai, China
| | - Yi-Zhun Zhu
- Guilin Medical College, Guilin, China.,Shanghai Key Laboratory of Bioactive Small Molecules, Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai, China.,State Key Laboratory of Quality Research in Chinese Medicine and School of Pharmacy, Macau University of Science and Technology, Macau, China
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Li L, Li X, Zhang Z, Liu L, Zhou Y, Liu F. Protective Mechanism and Clinical Application of Hydrogen in Myocardial Ischemia-reperfusion Injury. Pak J Biol Sci 2020; 23:103-112. [PMID: 31944068 DOI: 10.3923/pjbs.2020.103.112] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Cardiovascular disease accounts for one-third of all deaths, with ischemic heart disease as the main cause of death. Under pathological conditions, ischemia-reperfusion injury (IRI) often occurs in tissues. Ischemic injury is mainly caused by anaerobic cell death and reperfusion which results in a wide range of inflammatory responses. These responses are able to increase tissue damage and even damage to the whole body. IRI can also aggravate the original cardiovascular disease during the treatment of cardiovascular disease. Therefore, it is particularly important to understand the mechanism of myocardial ischemia-reperfusion injury (MIRI) for clinical treatment and application. At the same time, it is necessary to find a safe, reliable and feasible method for treating MIRI to reduce the incidence of complications and mortality as well as improve the prognosis and quality of life of patients. As a selective antioxidant, hydrogen can neutralize excessive free radicals, has certain anti-apoptotic and anti-inflammatory effects and it has gradually become a focus and hotspot of preclinical and clinical research. Hydrogen has been shown to have a certain therapeutic effect on MIRI, which can provide a new therapeutic direction for the clinical treatment of myocardial ischemia-reperfusion injury. In this review, the protective mechanism and clinical application of hydrogen in myocardial ischemia-reperfusion injury is discussed.
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Hu Q, Zhou Y, Wu S, Wu W, Deng Y, Shao A. Molecular hydrogen: A potential radioprotective agent. Biomed Pharmacother 2020; 130:110589. [PMID: 32763820 DOI: 10.1016/j.biopha.2020.110589] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 07/25/2020] [Accepted: 07/28/2020] [Indexed: 02/07/2023] Open
Abstract
In recent years, many studies have shown that hydrogen has therapeutic and preventive effects on various diseases. Its selective antioxidant properties were well noticed. Most of the ionizing radiation-induced damage is caused by hydroxyl radicals (OH) from radiolysis of H2O. Since hydrogen can mitigate such damage through multiple mechanisms, it presents noteworthy potential as a novel radio-protective agent. This review analyses possible mechanisms for hydrogen's radioprotective properties and effective delivery methods. We also look into details of vitro and vivo studies for hydrogen's radioprotective effects, and clinical practices. We conclude that hydrogen has good potential in radio-protection, with evidence that warrants greater research efforts in this field.
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Affiliation(s)
- Qiongge Hu
- Department of Radiation Oncology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yunxiang Zhou
- Department of Surgical Oncology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Shijie Wu
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Wei Wu
- Department of Medical Oncology, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Yongchuan Deng
- Department of Surgical Oncology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Anwen Shao
- Department of Neurosurgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
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Zhang Y, Xu J, Yang H. Hydrogen: An Endogenous Regulator of Liver Homeostasis. Front Pharmacol 2020; 11:877. [PMID: 32595504 PMCID: PMC7301907 DOI: 10.3389/fphar.2020.00877] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2020] [Accepted: 05/27/2020] [Indexed: 01/10/2023] Open
Abstract
Basic and clinical studies have shown that hydrogen (H2), the lightest gas in the air, has significant biological effects of anti-oxidation, anti-inflammation, and anti-apoptosis. The mammalian cells have no abilities to produce H2 due to lack of the expression of hydrogenase. The endogenous H2 in human body is mainly produced by anaerobic bacteria, such as Firmicutes and Bacteroides, in gut and other organs through the reversible oxidation reaction of 2 H+ + 2 e- ⇌ H2. Supplement of exogenous H2 can improve many kinds of liver injuries, modulate glucose and lipids metabolism in animal models or in human beings. Moreover, hepatic glycogen has strong ability to accumulate H2, thus, among the organs examined, liver has the highest concentration of H2 after supplement of exogenous H2 by various strategies in vivo. The inadequate production of endogenous H2 play essential roles in brain, heart, and liver disorders, while enhanced endogenous H2 production may improve hepatitis, hepatic ischemia and reperfusion injury, liver regeneration, and hepatic steatosis. Therefore, the endogenous H2 may play essential roles in maintaining liver homeostasis.
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Affiliation(s)
- Yaxing Zhang
- Department of Traditional Chinese Medicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.,Institute of Integrated Traditional Chinese and Western Medicine, Sun Yat-sen University, Guangzhou, China
| | - Jingting Xu
- Biofeedback Laboratory, Xinhua College of Sun Yat-sen University, Guangzhou, China
| | - Hongzhi Yang
- Department of Traditional Chinese Medicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.,Institute of Integrated Traditional Chinese and Western Medicine, Sun Yat-sen University, Guangzhou, China
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Hydrogen molecules can modulate enzymatic activity and structural properties of pepsin in vitro. Colloids Surf B Biointerfaces 2020; 189:110856. [DOI: 10.1016/j.colsurfb.2020.110856] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 02/03/2020] [Accepted: 02/07/2020] [Indexed: 01/19/2023]
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Ooi CH, Ng SK, Omar EA. Acute ingestion of hydrogen-rich water does not improve incremental treadmill running performance in endurance-trained athletes. Appl Physiol Nutr Metab 2020; 45:513-519. [DOI: 10.1139/apnm-2019-0553] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
There is emerging evidence that hydrogen-rich water (H2-water) has beneficial effects on the physiological responses to exercise. However, few studies investigate its ergogenic potential. This randomized controlled trial examined the effects of H2-water ingestion on physiological responses and exercise performance during incremental treadmill running. In a double-blind crossover design, 14 endurance-trained male runners (age, 34 ± 4 years; body mass, 63.1 ± 7.2 kg; height, 1.72 ± 0.05 m) were randomly assigned to ingest 2 doses of 290-mL H2-water or placebo on each occasion. The first bolus was given before six 4-min submaximal running bouts, and the second bolus was consumed before the maximal incremental running test. Expired gas, heart rate (HR), and ratings of perceived exertion (RPE) were recorded; blood samples were collected at the end of each submaximal stage and post maximal running test. Cardiorespiratory responses, RPE, and blood gas indices were not significantly different at each submaximal running intensity (range: 34%–91% maximal oxygen uptake) between H2-water and placebo trials. No statistical difference was observed in running time to exhaustion (618 ± 126 vs. 619 ± 113 s), maximal oxygen uptake (56.9 ± 4.4 vs. 57.1 ± 4.7 mL·kg−1·min−1), maximal HR (184 ± 7 vs. 184 ± 7 beat·min−1), and RPE (19 ± 1 vs. 19 ± 1) in the runners between the trials. The results suggest that the ingestion of 290 mL of H2-water before submaximal treadmill running and an additional dose before the subsequent incremental running to exhaustion were not sufficiently ergogenic in endurance-trained athletes. Novelty Acute ingestion of H2-water does not seem to be ergogenic for endurance performance. A small dose of H2-water does not modulate buffering capacity during intense endurance exercise in athletes.
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Affiliation(s)
- Cheong Hwa Ooi
- Advanced Medical and Dental Institute, Universiti Sains Malaysia, Malaysia
- Advanced Medical and Dental Institute, Universiti Sains Malaysia, Malaysia
| | - Siew Kit Ng
- Advanced Medical and Dental Institute, Universiti Sains Malaysia, Malaysia
- Advanced Medical and Dental Institute, Universiti Sains Malaysia, Malaysia
| | - Eshaifol Azam Omar
- Advanced Medical and Dental Institute, Universiti Sains Malaysia, Malaysia
- Advanced Medical and Dental Institute, Universiti Sains Malaysia, Malaysia
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Nogueira JE, de Deus JL, Amorim MR, Batalhão ME, Leão RM, Carnio EC, Branco LG. Inhaled molecular hydrogen attenuates intense acute exercise-induced hippocampal inflammation in sedentary rats. Neurosci Lett 2020; 715:134577. [DOI: 10.1016/j.neulet.2019.134577] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Revised: 09/24/2019] [Accepted: 10/21/2019] [Indexed: 12/17/2022]
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30
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Malý O, Zajak J, Hyšpler R, Turek Z, Astapenko D, Jun D, Váňová N, Kohout A, Radochová V, Kotek J, Páral J. Inhalation of molecular hydrogen prevents ischemia-reperfusion liver damage during major liver resection. ANNALS OF TRANSLATIONAL MEDICINE 2019; 7:774. [PMID: 32042790 DOI: 10.21037/atm.2019.11.43] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Background Liver resection is a surgical procedure associated with a high risk of hepatic failure that can be fatal. One of the key mechanisms involves ischemia-reperfusion damage. Building on the well-known positive effects of hydrogen at mitigating this damage, the goal of this work was to demonstrate the antioxidant, anti-inflammatory, and anti-apoptotic effects of inhaled hydrogen in domestic pigs during major liver resection. Methods The study used a total of 12 domestic pigs, 6 animals underwent resection with inhaled hydrogen during general anesthesia, and 6 animals underwent the same procedure using conventional, unsupplemented, general anesthesia. Intraoperative preparation of the left branch of the hepatic portal vein and the left hepatic artery was performed, and a tourniquet was applied. Warm ischemia was induced for 120 minutes and then followed by liver reperfusion for another 120 minutes. Samples from the ischemic and non-ischemic halves of the liver were then removed for histological and biochemical examinations. Results An evaluation of histological changes was based on a numerical expression of damage based on the Suzuki score. Liver samples in the group with inhaled hydrogen showed a statistically significant reduction in histological changes compared to the control group. Biochemical test scores showed no statistically significant difference in hepatic transaminases, alkaline phosphatase (ALP), lactate dehydrogenase (LD), and lactate. However, a surprising result was a statistically significant difference in gamma-glutamyl-transferase (GMT). Marker levels of oxidative damage varied noticeably in plasma samples. Conclusions In this experimental study, we showed that inhaled hydrogen during major liver resection unquestionably reduced the level of oxidative stress associated with ischemia-reperfusion damage. We confirmed this phenomenon both histologically and by direct measurement of oxidative stress in the organism.
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Affiliation(s)
- Ondřej Malý
- Department of Military Surgery, Faculty of Military Health Sciences, University of Defense, Hradec Králové, Czech Republic.,Department of Surgery, University Hospital Hradec Králové, Hradec Králové, Czech Republic
| | - Ján Zajak
- Department of Surgery, University Hospital Hradec Králové, Hradec Králové, Czech Republic
| | - Radomír Hyšpler
- Institute of Clinical Biochemistry and Diagnostics, Resuscitation and Intensive Medicine, University Hospital Hradec Králové, Hradec Králové, Czech Republic.,Center for Development and Research, Resuscitation and Intensive Medicine, University Hospital Hradec Králové, Hradec Králové, Czech Republic
| | - Zdeněk Turek
- Department of Anesthesiology, Resuscitation and Intensive Medicine, University Hospital Hradec Králové, Hradec Králové, Czech Republic
| | - David Astapenko
- Department of Anesthesiology, Resuscitation and Intensive Medicine, University Hospital Hradec Králové, Hradec Králové, Czech Republic
| | - Daniel Jun
- Department of Toxicology and Military Pharmacy, Faculty of Military Health Sciences, University of Defense, Hradec Králové, Czech Republic
| | - Nela Váňová
- Department of Pharmaceutical Chemistry and Pharmaceutical Analysis, Faculty of Pharmacy in Hradec Králové, Hradec Králové, Czech Republic
| | - Aleš Kohout
- Fingerland Institute of Pathology, University Hospital Hradec Králové, Hradec Králové, Czech Republic
| | - Věra Radochová
- Department of Vivarium, Faculty of Military Health Sciences, University of Defense, Hradec Králové, Czech Republic
| | - Jiří Kotek
- Department of Military Surgery, Faculty of Military Health Sciences, University of Defense, Hradec Králové, Czech Republic
| | - Jiří Páral
- Department of Military Surgery, Faculty of Military Health Sciences, University of Defense, Hradec Králové, Czech Republic.,Department of Surgery, University Hospital Hradec Králové, Hradec Králové, Czech Republic
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Comparative study on protective effect of hydrogen rich saline and adipose-derived stem cells on hepatic ischemia-reperfusion and hepatectomy injury in swine. Biomed Pharmacother 2019; 120:109453. [PMID: 31561069 DOI: 10.1016/j.biopha.2019.109453] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Revised: 09/08/2019] [Accepted: 09/09/2019] [Indexed: 01/25/2023] Open
Abstract
AIM To compare and evaluate the hepatoprotective effect of liver parenchyma injection of ADSCs and portal vein injection of HRS in laparoscopic hepatic ischemia reperfusion combined with hepatectomy injury in miniature pigs. METHODS Eighteen miniature pigs were randomly assigned to IRI group, HRS group and ADSCs group. HRS was injected through the portal vein 10 min before reperfusion, 1 d, 2 d, and 3 d after surgery. ADSCs were injected into liver parenchyma after hepatectomy. The serum and liver tissue samples were collected at different time points (preoperative, and postoperative at 1 d, 3 d and 7 d). RESULTS Compared with the IRI group, both ADSCs and HRS groups can promote liver function recovery, reduce oxidative stress, reduce inflammation, and promote liver regeneration. Compared with HRS, ALT and TBIL in ADSCs group were significantly decreased at 3 d, and AST was significantly reduced at 1 d. The activities of SOD and GSH-Px in ADSCs group were significantly higher than that in HRS group, but the MDA level in HRS group was markedly lower than that in ADSCs group at 1 d. IL-1β was significantly lower in the ADSCs group than in the HRS group at 1 day after operation. The expressions of HGF and PCNA were significantly higher than that in the HRS group at 3 day after surgery. CONCLUSION Our study has demonstrated that HRS and ADSCs have significant hepatoprotective effects in miniature pigs after HIRI and hepatectomy injury. However, liver parenchyma injection of ADSCs is more beneficial to the recovery of liver function than portal vein injection of HRS.
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Kawashima M, Tsuno S, Matsumoto M, Tsubota K. Hydrogen-producing milk to prevent reduction in tear stability in persons using visual display terminals. Ocul Surf 2019; 17:714-721. [PMID: 31352083 DOI: 10.1016/j.jtos.2019.07.008] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 07/19/2019] [Accepted: 07/24/2019] [Indexed: 12/23/2022]
Abstract
PURPOSE To examine the effect of hydrogen (H2)-producing milk, which induces H2 production by intestinal microbiota, on the prevention of dry eye disease. METHODS A randomized, double-blind, placebo-controlled, parallel-group comparative study was conducted in humans. Of 118 candidates aged 20-60 years who were using visual display terminals daily, 54 subjects (mean age, 42.4 years) with mild-to-moderate dry eye symptoms, who were not dry eye patients based on the 2006 Japanese Diagnostic Criteria for Dry Eye, were included in the study. Subjects were assigned to the H2-producing milk group or the placebo group. They were instructed to ingest the assigned test beverage once per day for three consecutive weeks. Breath H2 concentration, fluorescein tear film breakup time (fTBUT), Schirmer's test, 8-OHdG concentration in tears, reported ocular symptoms using the dry eye-related QOL score questionnaire, and the visual analogue scale were assessed at weeks 0 and 3. RESULTS Change in fTBUT in the H2-producing milk group was significantly greater than that in the placebo group. A significant decline in fTBUT was observed in the placebo group (p = 0.04), but not the H2-producing group (p = 0.26). This phenomenon was strongly observed in females. We found a positive correlation between the change in fTBUT and net H2 production, and a negative correlation between the change in 8-OHdG concentration and net H2 production in young females. CONCLUSIONS H2-producing milk appeared to retard the decline in tear stability and may prevent short fTBUT-type dry eye by decreasing oxidative stress in the lacrimal functional unit.
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Affiliation(s)
- Motoko Kawashima
- Department of Ophthalmology, Keio University School of Medicine, Tokyo, 160-8582, Japan.
| | - Saki Tsuno
- Dairy Science and Technology Institute, Kyodo Milk Industry Co. Ltd., Hinode-machi, Nishitama-gun, Tokyo, 190-0182, Japan
| | - Mitsuharu Matsumoto
- Dairy Science and Technology Institute, Kyodo Milk Industry Co. Ltd., Hinode-machi, Nishitama-gun, Tokyo, 190-0182, Japan.
| | - Kazuo Tsubota
- Department of Ophthalmology, Keio University School of Medicine, Tokyo, 160-8582, Japan
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Xie R, Liu M, Li S. Emodin weakens liver inflammatory injury triggered by lipopolysaccharide through elevating microRNA-145 in vitro and in vivo. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2019; 47:1877-1887. [PMID: 31079494 DOI: 10.1080/21691401.2019.1614015] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- RuiJin Xie
- Department of Gastroenterology, Jining No.1 People’s Hospital, Jining, China
| | - Mei Liu
- Department of Gastroenterology, Jining No.1 People’s Hospital, Jining, China
| | - ShuJie Li
- Department of Rheumatology and Immunology, Jining No.1 People’s Hospital, Jining, China
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Zhu Z, Yu J, Lin W, Tang H, Zhang W, Lu B. Molecular hydrogen accelerates the reversal of acute obstructive cholangitis‑induced liver dysfunction by restoring gap and tight junctions. Mol Med Rep 2019; 19:5177-5184. [PMID: 31059036 DOI: 10.3892/mmr.2019.10179] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Accepted: 03/27/2019] [Indexed: 11/05/2022] Open
Affiliation(s)
- Zhiyang Zhu
- Department of Hepatobiliary Surgery, Shaoxing People's Hospital (Shaoxing Hospital, Zhejiang University School of Medicine), Shaoxing, Zhejiang 312000, P.R. China
| | - Jianhua Yu
- Department of Hepatobiliary Surgery, Shaoxing People's Hospital (Shaoxing Hospital, Zhejiang University School of Medicine), Shaoxing, Zhejiang 312000, P.R. China
| | - Weiguo Lin
- Department of Hepatobiliary Surgery, Shaoxing People's Hospital (Shaoxing Hospital, Zhejiang University School of Medicine), Shaoxing, Zhejiang 312000, P.R. China
| | - Haijun Tang
- Department of Hepatobiliary Surgery, Shaoxing People's Hospital (Shaoxing Hospital, Zhejiang University School of Medicine), Shaoxing, Zhejiang 312000, P.R. China
| | - Weiguang Zhang
- Department of Molecular Medicine and Clinical Laboratory, Shaoxing Second Hospital, Shaoxing, Zhejiang 312000, P.R. China
| | - Baochun Lu
- Department of Hepatobiliary Surgery, Shaoxing People's Hospital (Shaoxing Hospital, Zhejiang University School of Medicine), Shaoxing, Zhejiang 312000, P.R. China
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LeBaron TW, Laher I, Kura B, Slezak J. Hydrogen gas: from clinical medicine to an emerging ergogenic molecule for sports athletes 1. Can J Physiol Pharmacol 2019; 97:797-807. [PMID: 30970215 DOI: 10.1139/cjpp-2019-0067] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
H2 has been clinically demonstrated to provide antioxidant and anti-inflammatory effects, which makes it an attractive agent in exercise medicine. Although exercise provides a multiplicity of benefits including decreased risk of disease, it can also have detrimental effects. For example, chronic high-intensity exercise in elite athletes, or sporadic bouts of exercise (i.e., noxious exercise) in untrained individuals, result in similar pathological factors such as inflammation, oxidation, and cellular damage that arise from and result in disease. Paradoxically, exercise-induced pro-inflammatory cytokines and reactive oxygen species largely mediate the benefits of exercise. Ingestion of conventional antioxidants and anti-inflammatories often impairs exercise-induced training adaptations. Disease and noxious forms of exercise promote redox dysregulation and chronic inflammation, changes that are mitigated by H2 administration. Beneficial exercise and H2 administration promote cytoprotective hormesis, mitochondrial biogenesis, ATP production, increased NAD+/NADH ratio, cytoprotective phase II enzymes, heat-shock proteins, sirtuins, etc. We review the biomedical effects of exercise and those of H2, and we propose that hydrogen may act as an exercise mimetic and redox adaptogen, potentiate the benefits from beneficial exercise, and reduce the harm from noxious exercise. However, more research is warranted to elucidate the potential ergogenic and therapeutic effects of H2 in exercise medicine.
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Affiliation(s)
- Tyler W LeBaron
- Molecular Hydrogen Institute, Utah, USA.,Centre of Experimental Medicine, Institute for Heart Research, Slovak Academy of Sciences, Bratislava, Slovak Republic
| | - Ismail Laher
- Department of Anesthesiology, Pharmacology and Therapeutics, Faculty of Medicine, The University of British Columbia, 217 - 2176 Health Sciences Mall, Vancouver, BC V6T 1Z3, Canada
| | - Branislav Kura
- Centre of Experimental Medicine, Institute for Heart Research, Slovak Academy of Sciences, Bratislava, Slovak Republic
| | - Jan Slezak
- Centre of Experimental Medicine, Institute for Heart Research, Slovak Academy of Sciences, Bratislava, Slovak Republic
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Sakai T, Kurokawa R, Hirano SI, Imai J. Hydrogen Indirectly Suppresses Increases in Hydrogen Peroxide in Cytoplasmic Hydroxyl Radical-Induced Cells and Suppresses Cellular Senescence. Int J Mol Sci 2019; 20:ijms20020456. [PMID: 30669692 PMCID: PMC6359316 DOI: 10.3390/ijms20020456] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2018] [Revised: 01/16/2019] [Accepted: 01/18/2019] [Indexed: 01/06/2023] Open
Abstract
Bacteria inhabiting the human gut metabolize microbiota-accessible carbohydrates (MAC) contained in plant fibers and subsequently release metabolic products. Gut bacteria produce hydrogen (H₂), which scavenges the hydroxyl radical (•OH). Because H₂ diffuses within the cell, it is hypothesized that H₂ scavenges cytoplasmic •OH (cyto •OH) and suppresses cellular senescence. However, the mechanisms of cyto •OH-induced cellular senescence and the physiological role of gut bacteria-secreted H₂ have not been elucidated. Based on the pyocyanin-stimulated cyto •OH-induced cellular senescence model, the mechanism by which cyto •OH causes cellular senescence was investigated by adding a supersaturated concentration of H₂ into the cell culture medium. Cyto •OH-generated lipid peroxide caused glutathione (GSH) and heme shortage, increased hydrogen peroxide (H₂O₂), and induced cellular senescence via the phosphorylation of ataxia telangiectasia mutated kinase serine 1981 (p-ATMser1981)/p53 serine 15 (p-p53ser15)/p21 and phosphorylation of heme-regulated inhibitor (p-HRI)/phospho-eukaryotic translation initiation factor 2 subunit alpha serine 51 (p-eIF2α)/activating transcription factor 4 (ATF4)/p16 pathways. Further, H₂ suppressed increased H₂O₂ by suppressing cyto •OH-mediated lipid peroxide formation and cellular senescence induction via two pathways. H₂ produced by gut bacteria diffuses throughout the body to scavenge cyto •OH in cells. Therefore, it is highly likely that gut bacteria-produced H₂ is involved in intracellular maintenance of the redox state, thereby suppressing cellular senescence and individual aging. Hence, H₂ produced by intestinal bacteria may be involved in the suppression of aging.
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Affiliation(s)
- Takahiro Sakai
- Laboratory of Physiological Chemistry, Faculty of Pharmacy, Takasaki University of Health and Welfare, 60 Nakaorui-machi, Takasaki, Gunma 370-0033, Japan.
| | - Ryosuke Kurokawa
- MiZ Co., Ltd., 2-19-15 Ofuna, Kamakura, Kanagawa 247-0056, Japan.
| | - Shin-Ichi Hirano
- MiZ Co., Ltd., 2-19-15 Ofuna, Kamakura, Kanagawa 247-0056, Japan.
| | - Jun Imai
- Laboratory of Physiological Chemistry, Faculty of Pharmacy, Takasaki University of Health and Welfare, 60 Nakaorui-machi, Takasaki, Gunma 370-0033, Japan.
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Suzuki A, Ito M, Hamaguchi T, Mori H, Takeda Y, Baba R, Watanabe T, Kurokawa K, Asakawa S, Hirayama M, Ohno K. Quantification of hydrogen production by intestinal bacteria that are specifically dysregulated in Parkinson's disease. PLoS One 2018; 13:e0208313. [PMID: 30586410 PMCID: PMC6306167 DOI: 10.1371/journal.pone.0208313] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Accepted: 11/15/2018] [Indexed: 12/20/2022] Open
Abstract
Oral administration of hydrogen water ameliorates Parkinson’s disease (PD) in rats, mice, and humans. We previously reported that the number of putative hydrogen-producing bacteria in intestinal microbiota is low in PD compared to controls. We also reported that the amount of hydrogen produced by ingestion of lactulose is low in PD patients. The decreased hydrogen production by intestinal microbiota may be associated with the development and progression of PD. We measured the amount of hydrogen production using gas chromatography by seven bacterial strains, which represented seven major intestinal bacterial groups/genera/species. Blautia coccoides and Clostridium leptum produced the largest amount of hydrogen. Escherichia coli and Bacteroides fragilis constituted the second group that produced hydrogen 34- to 93-fold lower than B. coccoides. Bifidobacterium pseudocatenulatum and Atopobium parvulum constituted the third group that produced hydrogen 559- to 2164-fold lower than B. coccoides. Lactobacillus casei produced no detectable hydrogen. Assuming that taxonomically neighboring strains have similar hydrogen production, we simulated hydrogen production using intestinal microbiota that we previously reported, and found that PD patients produce a 2.2-fold lower amount of intestinal hydrogen compared to controls. The lower amount of intestinal hydrogen production in PD was also simulated in cohorts of two other countries. The number of hydrogen-producing intestinal bacteria may be associated with the development and progression of PD. Further studies are required to prove its beneficial effect.
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Affiliation(s)
- Anzu Suzuki
- Division of Neurogenetics, Center for Neurological Diseases and Cancer, Nagoya University Graduate School of Medicine, Nagoya, Japan
- Department of Pathophysiological Laboratory Sciences, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Mikako Ito
- Division of Neurogenetics, Center for Neurological Diseases and Cancer, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Tomonori Hamaguchi
- Division of Neurogenetics, Center for Neurological Diseases and Cancer, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Hiroshi Mori
- Genome Evolution Laboratory, Center for Information Biology, National Institute of Genetics, Mishima, Japan
| | - Yuka Takeda
- Department of Pathophysiological Laboratory Sciences, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Ryuko Baba
- Laboratory of Soil Biology and Chemistry, Department of Biological Mechanisms and Functions, Nagoya University Graduate School of Bioagricultural Sciences, Nagoya, Japan
| | - Takeshi Watanabe
- Laboratory of Soil Biology and Chemistry, Department of Biological Mechanisms and Functions, Nagoya University Graduate School of Bioagricultural Sciences, Nagoya, Japan
| | - Ken Kurokawa
- Genome Evolution Laboratory, Center for Information Biology, National Institute of Genetics, Mishima, Japan
| | - Susumu Asakawa
- Laboratory of Soil Biology and Chemistry, Department of Biological Mechanisms and Functions, Nagoya University Graduate School of Bioagricultural Sciences, Nagoya, Japan
| | - Masaaki Hirayama
- Department of Pathophysiological Laboratory Sciences, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Kinji Ohno
- Division of Neurogenetics, Center for Neurological Diseases and Cancer, Nagoya University Graduate School of Medicine, Nagoya, Japan
- * E-mail:
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Nogueira JE, Passaglia P, Mota CMD, Santos BM, Batalhão ME, Carnio EC, Branco LGS. Molecular hydrogen reduces acute exercise-induced inflammatory and oxidative stress status. Free Radic Biol Med 2018; 129:186-193. [PMID: 30243702 DOI: 10.1016/j.freeradbiomed.2018.09.028] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Revised: 09/17/2018] [Accepted: 09/18/2018] [Indexed: 12/15/2022]
Abstract
Physical exercise induces inflammatory and oxidative markers production in the skeletal muscle and this process is under the control of both endogenous and exogenous modulators. Recently, molecular hydrogen (H2) has been described as a therapeutic gas able to reduced oxidative stress in a number of conditions. However, nothing is known about its putative role in the inflammatory and oxidative status during a session of acute physical exercise in sedentary rats. Therefore, we tested the hypothesis that H2 attenuates both inflammation and oxidative stress induced by acute physical exercise. Rats ran at 80% of their maximum running velocity on a closed treadmill inhaling either the H2 gas (2% H2, 21% O2, balanced with N2) or the control gas (0% H2, 21% O2, balanced with N2) and were euthanized immediately or 3 h after exercise. We assessed plasma levels of inflammatory cytokines [tumor necrosis factor-α (TNF-α), interleukin (IL)-1β and IL-6] and oxidative markers [superoxide dismutase (SOD), thiobarbituric acid reactive species (TBARS) and nitrite/nitrate (NOx)]. In addition, we evaluated the phosphorylation status of intracellular signaling proteins [glycogen synthase kinase type 3 (GSK3α/β) and the cAMP responsive element binding protein (CREB)] that modulate several processes in the skeletal muscle during exercise, including changes in exercise-induced reactive oxygen species (ROS) production. As expected, physical exercise increased virtually all the analyzed parameters. In the running rats, H2 blunted exercise-induced plasma inflammatory cytokines (TNF-α and IL-6) surges. Regarding the oxidative stress markers, H2 caused further increases in exercise-induced SOD activity and attenuated the exercise-induced increases in TBARS 3 h after exercise. Moreover, GSK3α/β phosphorylation was not affected by exercise or H2 inhalation. Otherwise, exercise caused an increased CREB phosphorylation which was attenuated by H2. These data are consistent with the notion that H2 plays a key role in decreasing exercise-induced inflammation, oxidative stress, and cellular stress.
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Affiliation(s)
- Jonatas E Nogueira
- Postgraduate Program in Rehabilitation and Functional Performance, University of São Paulo, Ribeirão Preto, SP, Brazil; School of Physical Education and Sports of Ribeirao Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Patricia Passaglia
- Department of Physiology, School of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Clarissa M D Mota
- Department of Physiology, School of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Bruna M Santos
- Department of Physiology, School of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Marcelo E Batalhão
- Department of General and Specialized Nursing, School of Nursing of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Evelin C Carnio
- Department of Physiology, School of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil; Department of General and Specialized Nursing, School of Nursing of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Luiz G S Branco
- Postgraduate Program in Rehabilitation and Functional Performance, University of São Paulo, Ribeirão Preto, SP, Brazil; Department of Physiology, School of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil; Department of Morphology, Physiology, and Basic Pathology, Dental School of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil.
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The roles of IL-17C in T cell-dependent and -independent inflammatory diseases. Sci Rep 2018; 8:15750. [PMID: 30356086 PMCID: PMC6200819 DOI: 10.1038/s41598-018-34054-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2018] [Accepted: 10/11/2018] [Indexed: 02/06/2023] Open
Abstract
IL-17C, which is a member of the IL-17 family of cytokines, is preferentially produced by epithelial cells in the lung, skin and colon, suggesting that IL-17C may be involved in not only host defense but also inflammatory diseases in those tissues. In support of that, IL-17C was demonstrated to contribute to development of T cell-dependent imiquimod-induced psoriatic dermatitis and T cell-independent dextran sodium sulfate-induced acute colitis using mice deficient in IL-17C and/or IL-17RE, which is a component of the receptor for IL-17C. However, the roles of IL-17C in other inflammatory diseases remain poorly understood. Therefore, we investigated the contributions of IL-17C to development of certain disease models using Il17c−/− mice, which we newly generated. Those mice showed normal development of T cell-dependent inflammatory diseases such as FITC- and DNFB-induced contact dermatitis/contact hypersensitivity (CHS) and concanavalin A-induced hepatitis, and T cell-independent inflammatory diseases such as bleomycin-induced pulmonary fibrosis, papain-induced airway eosinophilia and LPS-induced airway neutrophilia. On the other hand, those mice were highly resistant to LPS-induced endotoxin shock, indicating that IL-17C is crucial for protection against that immunological reaction. Therefore, IL-17C neutralization may represent a novel therapeutic approach for sepsis, in addition to psoriasis and acute colitis.
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Zhao J, Zhang M, Li Y, Zhang Z, Chen M, Liu T, Zhang J, Shan A. Therapeutic Effect of Hydrogen Injected Subcutaneously on Onion Poisoned Dogs. J Vet Res 2018; 61:527-533. [PMID: 29978119 PMCID: PMC5937354 DOI: 10.1515/jvetres-2017-0068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2017] [Accepted: 12/06/2017] [Indexed: 11/15/2022] Open
Abstract
Introduction The purpose of this study was to investigate the therapeutic effect of hydrogen on the therapy of onion poisoned dogs. Material and Methods A total of 16 adult beagle dogs were divided into two groups (control and hydrogen) and all were fed dehydrated onion powder at the dose of 10 g/kg for three days. The dogs of the experimental group were given subcutaneous injection of 0.2 mL/kg of hydrogen for 12 days after making the poisoned model successful. Blood samples were collected before feeding onions, one day before injecting hydrogen, and 2 h after the injection of hydrogen on days 1, 3, 5, 7, 9, and 12. Control dogs were not treated with hydrogen. Results The levels of leukocyte production, anaemia, red blood cell degeneration which was reflected by the values of Heinz body count, haemolytic ratio, and oxidative products in hydrogen treated group were lower than in control dogs on some days. The capacity of medullary haematopoiesis that was based on reticulocyte counts, and the antioxidation in hydrogen group were higher compared with control group. However, the differences in renal function were not obvious in both groups. Conclusion Accordingly, it was concluded that subcutaneous injection of hydrogen could alleviate the symptoms in onion poisoned dogs.
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Affiliation(s)
- Jinghua Zhao
- Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, College of Veterinary Medicine, Harbin 150030, China
| | - Ming Zhang
- Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, College of Veterinary Medicine, Harbin 150030, China
| | - Yue Li
- Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, College of Veterinary Medicine, Harbin 150030, China
| | - Zhiheng Zhang
- Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, College of Veterinary Medicine, Harbin 150030, China
| | - Mingzi Chen
- Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, College of Veterinary Medicine, Harbin 150030, China
| | - Tao Liu
- Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, College of Veterinary Medicine, Harbin 150030, China
| | - Jiantao Zhang
- Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, College of Veterinary Medicine, Harbin 150030, China
| | - Anshan Shan
- College of Animal Science and Technology, Northeast Agriculture University, Harbin 150030, China
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Polyguluronate sulfate (PGS) attenuates immunological liver injury in vitro and in vivo. Int J Biol Macromol 2018; 114:592-598. [PMID: 29572149 DOI: 10.1016/j.ijbiomac.2018.03.098] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2017] [Revised: 03/14/2018] [Accepted: 03/19/2018] [Indexed: 12/15/2022]
Abstract
Hepatocyte damage, especially immunological liver injury, is a key process in the pathogenesis of hepatitis virus-induced liver diseases. The aim of this study was to investigate the protective effects of polyguluronate sulfate (PGS) against immunological liver damage. The results showed that PGS significantly reduced the H2O2-induced oxidative stress and increased the cell viability in HepG2 hepatocytes. PGS also suppressed the production of malondialdehyde (MDA), lactate dehydrogenase (LDH), TNF-α, and IL-6, while up-regulating the activity of SOD in HepG2 cells. Further, PGS (150 and 300mg/kg/day) significantly attenuated the elevation of serum glutamate pyruvate transaminase (ALT), aspartate aminotransferase (AST), total bilirubin (TBiL), in addition to liver MDA and NO levels in Con A-induced immunological liver injury within mice (P<0.05). Significant improvements of organ indexes (liver, spleen, and thymus) were observed in PGS-treated mice. PGS also significantly reduced the disorganization of hepatocytes and decreased the inflammatory cell infiltration caused by Con A treatment, suggesting that PGS was able to attenuate Con A-induced liver injury. In conclusion, PGS possesses significant hepatoprotective effects on immunological liver injury in vitro and in vivo, and this may be related to its antioxidant activities.
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Ge L, Yang M, Yang NN, Yin XX, Song WG. Molecular hydrogen: a preventive and therapeutic medical gas for various diseases. Oncotarget 2017; 8:102653-102673. [PMID: 29254278 PMCID: PMC5731988 DOI: 10.18632/oncotarget.21130] [Citation(s) in RCA: 117] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2017] [Accepted: 08/26/2017] [Indexed: 12/14/2022] Open
Abstract
Since the 2007 discovery that molecular hydrogen (H2) has selective antioxidant properties, multiple studies have shown that H2 has beneficial effects in diverse animal models and human disease. This review discusses H2 biological effects and potential mechanisms of action in various diseases, including metabolic syndrome, organ injury, and cancer; describes effective H2 delivery approaches; and summarizes recent progress toward H2 applications in human medicine. We also discuss remaining questions in H2 therapy, and conclude with an appeal for a greater role for H2 in the prevention and treatment of human ailments that are currently major global health burdens. This review makes a case for supporting hydrogen medicine in human disease prevention and therapy.
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Affiliation(s)
- Li Ge
- Department of Histology and Embryology, School of Basic Medical Sciences, Taishan Medical University, Tai-an City 271000, Shandong Province, PR China
| | - Ming Yang
- Department of Clinical Medicine, Taishan Medical University, Tai-an City 271000, Shandong Province, PR China
| | - Na-Na Yang
- Key Laboratory of Atherosclerosis in Universities of Shandong, Taishan Medical University, Institute of Atherosclerosis, Taishan Medical University, Tai-an City 271000, Shandong Province, PR China
| | - Xin-Xin Yin
- Department of Clinical Medicine, Taishan Medical University, Tai-an City 271000, Shandong Province, PR China
| | - Wen-Gang Song
- Department of medical immunology, School of Basic Medical Sciences, Taishan Medical University, Tai-an City 271000, Shandong Province, PR China
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Matsumoto M, Fujita A, Yamashita A, Kameoka S, Shimomura Y, Kitada Y, Tamada H, Nakamura S, Tsubota K. Effects of functional milk containing galactooligosaccharide, maltitol, and glucomannan on the production of hydrogen gas in the human intestine. J Funct Foods 2017. [DOI: 10.1016/j.jff.2017.05.013] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
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Wisitrasameewong W, Kajiya M, Movila A, Rittling S, Ishii T, Suzuki M, Matsuda S, Mazda Y, Torruella M, Azuma M, Egashira K, Freire M, Sasaki H, Wang C, Han X, Taubman M, Kawai T. DC-STAMP Is an Osteoclast Fusogen Engaged in Periodontal Bone Resorption. J Dent Res 2017; 96:685-693. [PMID: 28199142 PMCID: PMC5444615 DOI: 10.1177/0022034517690490] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Dendritic cell-specific transmembrane protein (DC-STAMP) plays a key role in the induction of osteoclast (OC) cell fusion, as well as DC-mediated immune regulation. While DC-STAMP gene expression is upregulated in the gingival tissue with periodontitis, its pathophysiological roles in periodontitis remain unclear. To evaluate the effects of DC-STAMP in periodontitis, anti-DC-STAMP-monoclonal antibody (mAb) was tested in a mouse model of ligature-induced periodontitis ( n = 6-7/group) where Pasteurella pneumotropica ( Pp)-reactive immune response activated T cells to produce receptor activator of nuclear factor kappa-B ligand (RANKL), which, in turn, promotes the periodontal bone loss via upregulation of osteoclastogenesis. DC-STAMP was expressed on the cell surface of mature multinuclear OCs, as well as immature mononuclear OCs, in primary cultures of RANKL-stimulated bone marrow cells. Anti-DC-STAMP-mAb suppressed the emergence of large, but not small, multinuclear OCs, suggesting that DC-STAMP is engaged in the late stage of cell fusion. Anti-DC-STAMP-mAb also inhibited pit formation caused by RANKL-stimulated bone marrow cells. Attachment of ligature to a second maxillary molar induced DC-STAMP messenger RNA and protein, along with elevated tartrate-resistant acid phosphatase-positive (TRAP+) OCs and alveolar bone loss. As we expected, systemic administration of anti-DC-STAMP-mAb downregulated the ligature-induced alveolar bone loss. Importantly, local injection of anti-DC-STAMP-mAb also suppressed alveolar bone loss and reduced the total number of multinucleated TRAP+ cells in mice that received ligature attachment. Attachment of ligature induced significantly elevated tumor necrosis factor-α, interleukin-1β, and RANKL in the gingival tissue compared with the control site without ligature ( P < 0.05), which was unaffected by local injection with either anti-DC-STAMP-mAb or control-mAb. Neither in vivo anti- Pp IgG antibody nor in vitro anti- Pp T-cell response and resultant production of RANKL was affected by anti-DC-STAMP-mAb. This study illustrated the roles of DC-STAMP in promoting local OC cell fusion without affecting adaptive immune responses to oral bacteria. Therefore, it is plausible that a novel therapeutic regimen targeting DC-STAMP could suppress periodontal bone loss.
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Affiliation(s)
- W. Wisitrasameewong
- Department of Periodontology, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
- Department of Immunology and Infectious Diseases, The Forsyth Institute, Cambridge, MA, USA
- Harvard School of Dental Medicine, Boston, MA, USA
| | - M. Kajiya
- Hiroshima University Graduate School of Biomedical Sciences, Periodontal Medicine, Hiroshima, Japan
| | - A. Movila
- Department of Immunology and Infectious Diseases, The Forsyth Institute, Cambridge, MA, USA
| | - S. Rittling
- Department of Immunology and Infectious Diseases, The Forsyth Institute, Cambridge, MA, USA
| | - T. Ishii
- Tokyo Dental College, Tokyo, Chiyoda-ku, Japan
| | - M. Suzuki
- College of Dentistry, The Ohio State University, Columbus, OH, USA
| | - S. Matsuda
- Hiroshima University Graduate School of Biomedical Sciences, Periodontal Medicine, Hiroshima, Japan
| | - Y. Mazda
- Department of Immunology and Infectious Diseases, The Forsyth Institute, Cambridge, MA, USA
| | - M.R. Torruella
- Department of Immunology and Infectious Diseases, The Forsyth Institute, Cambridge, MA, USA
| | - M.M. Azuma
- Department of Immunology and Infectious Diseases, The Forsyth Institute, Cambridge, MA, USA
- Araçatuba Dental School, Department of Endodontics, UnivEstadual Paulista, Araçatuba, São Paulo, Brazil
| | - K. Egashira
- Department of Immunology and Infectious Diseases, The Forsyth Institute, Cambridge, MA, USA
- LION Corporation, Research and Development Headquarters, Odawara, Kanagawa, Japan
| | - M.O. Freire
- Department of Immunology and Infectious Diseases, The Forsyth Institute, Cambridge, MA, USA
| | - H. Sasaki
- Department of Immunology and Infectious Diseases, The Forsyth Institute, Cambridge, MA, USA
| | - C.Y. Wang
- UCLA, Lab of Molecular Signaling, Division of Oral Biology and Medicine, UCLA, Los Angeles, CA, USA
| | - X. Han
- Department of Immunology and Infectious Diseases, The Forsyth Institute, Cambridge, MA, USA
| | - M.A. Taubman
- Department of Immunology and Infectious Diseases, The Forsyth Institute, Cambridge, MA, USA
| | - T. Kawai
- Department of Periodontology, NOVA Southeastern University College of Dental Medicine, Fort Lauderdale, FL, USA
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Zhang X, Liu J, Jin K, Xu H, Wang C, Zhang Z, Kong M, Zhang Z, Wang Q, Wang F. Subcutaneous injection of hydrogen gas is a novel effective treatment for type 2 diabetes. J Diabetes Investig 2017; 9:83-90. [PMID: 28390099 PMCID: PMC5754517 DOI: 10.1111/jdi.12674] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2016] [Revised: 03/11/2017] [Accepted: 04/03/2017] [Indexed: 02/06/2023] Open
Abstract
Aims/Introduction In previous studies, hydrogen gas (H2) administration has clearly shown effectiveness in inhibiting diabetes. Here, we evaluated whether subcutaneous injection of H2 shows enhanced efficacy against type 2 diabetes mellitus induced in mice by a high‐fat diet and low‐dose streptozotocin treatment. Material and Methods H2 was injected subcutaneously at a dose of 1 mL/mouse/week for 4 weeks. Type 2 diabetes mellitus‐associated parameters were then evaluated to determine the effectiveness of subcutaneous H2 administration. Results The bodyweight of H2‐treated mice did not change over the course of the experiment. Compared with the untreated control animals, glucose, insulin, low‐density lipoprotein and triglyceride levels in the serum were significantly lower in treated mice, whereas high‐density lipoprotein cholesterol in the serum was significantly higher. Glucose tolerance and insulin sensitivity were both improved in H2‐treated mice. Diabetic nephropathy analysis showed significant reductions in urine volume, urinary total protein and β2‐microglobulin, kidney/bodyweight ratio, and kidney fibrosis associated with subcutaneous injection of H2. Conclusions Subcutaneous injection of H2 significantly improves type 2 diabetes mellitus and diabetic nephropathy‐related outcomes in a mouse model, supporting further consideration of subcutaneous injection as a novel and effective route of clinical H2 administration.
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Affiliation(s)
- Xiaolong Zhang
- Department of Anesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Jiaming Liu
- Department of Preventive Medicine, School of Environmental Science and Management, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Keke Jin
- Department of Pathophysiology, School of Basic Medicine Science, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Haifeng Xu
- Department of Pathophysiology, School of Basic Medicine Science, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Chuang Wang
- Ningbo Key Laboratory of Behavioral Neuroscience, Ningbo University School of Medicine, Ningbo, Zhejiang Province, China
| | - Zhuang Zhang
- Department of Pathophysiology, School of Basic Medicine Science, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Mimi Kong
- Department of Pathophysiology, School of Basic Medicine Science, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Zhengzheng Zhang
- Department of Pathophysiology, School of Basic Medicine Science, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Qingyi Wang
- Center for Computational and Integrative Biology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Fangyan Wang
- Department of Pathophysiology, School of Basic Medicine Science, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
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Slezák J, Kura B, Frimmel K, Zálešák M, Ravingerová T, Viczenczová C, Okruhlicová Ľ, Tribulová N. Preventive and therapeutic application of molecular hydrogen in situations with excessive production of free radicals. Physiol Res 2017; 65 Suppl 1:S11-28. [PMID: 27643933 DOI: 10.33549/physiolres.933414] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Excessive production of oxygen free radicals has been regarded as a causative common denominator of many pathological processes in the animal kingdom. Hydroxyl and nitrosyl radicals represent the major cause of the destruction of biomolecules either by a direct reaction or by triggering a chain reaction of free radicals. Scavenging of free radicals may act preventively or therapeutically. A number of substances that preferentially react with free radicals can serve as scavengers, thus increasing the internal capacity/activity of endogenous antioxidants and protecting cells and tissues against oxidative damage. Molecular hydrogen (H(2)) reacts with strong oxidants, such as hydroxyl and nitrosyl radicals, in the cells, that enables utilization of its potential for preventive and therapeutic applications. H(2) rapidly diffuses into tissues and cells without affecting metabolic redox reactions and signaling reactive species. H(2) reduces oxidative stress also by regulating gene expression, and functions as an anti-inflammatory and anti-apoptotic agent. There is a growing body of evidence based on the results of animal experiments and clinical observations that H(2) may represent an effective antioxidant for the prevention of oxidative stress-related diseases. Application of molecular hydrogen in situations with excessive production of free radicals, in particular, hydroxyl and nitrosyl radicals is relatively simple and effective, therefore, it deserves special attention.
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Affiliation(s)
- J Slezák
- Institute for Heart Research, Slovak Academy of Sciences, Bratislava, Slovakia.
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Iketani M, Ohsawa I. Molecular Hydrogen as a Neuroprotective Agent. Curr Neuropharmacol 2017; 15:324-331. [PMID: 27281176 PMCID: PMC5412697 DOI: 10.2174/1570159x14666160607205417] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2016] [Revised: 04/28/2016] [Accepted: 05/31/2016] [Indexed: 11/22/2022] Open
Abstract
Oxidative stress and neuroinflammation cause many neurological disorders. Recently, it has been reported that molecular hydrogen (H2) functions as an antioxidant and anti-inflammatory agent. The routes of H2 administration in animal model and human clinical studies are roughly classified into three types, inhalation of H2 gas, drinking H2-dissolved water, and injection of H2-dissolved saline. This review discusses some of the remarkable progress that has been made in the research of H2 use for neurological disorders, such as cerebrovascular diseases, neurodegenerative disorders, and neonatal brain disorders. Although most neurological disorders are currently incurable, these studies suggest the clinical potential of H2 administration for their prevention, treatment, and mitigation. Several of the potential effectors of H2 will also be discussed, including cell signaling molecules and hormones that are responsible for preventing oxidative stress and inflammation. Nevertheless, further investigation will be required to determine the direct target molecule of H2.
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Affiliation(s)
| | - Ikuroh Ohsawa
- Biological Process of Aging, Tokyo Metropolitan Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo 173-0015, Japan
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Affiliation(s)
- Sergej M Ostojic
- Applied Bioenergetics Lab, Faculty of Sport and PE, University of Novi Sad, Novi Sad, Serbia.,School of Medicine, University of Belgrade, Belgrade, Serbia
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Hasegawa S, Goto S, Tsuji H, Okuno T, Asahara T, Nomoto K, Shibata A, Fujisawa Y, Minato T, Okamoto A, Ohno K, Hirayama M. Intestinal Dysbiosis and Lowered Serum Lipopolysaccharide-Binding Protein in Parkinson's Disease. PLoS One 2015; 10:e0142164. [PMID: 26539989 PMCID: PMC4634857 DOI: 10.1371/journal.pone.0142164] [Citation(s) in RCA: 351] [Impact Index Per Article: 35.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2015] [Accepted: 09/08/2015] [Indexed: 01/18/2023] Open
Abstract
Background The intestine is one of the first affected organs in Parkinson’s disease (PD). PD subjects show abnormal staining for Escherichia coli and α-synuclein in the colon. Methods We recruited 52 PD patients and 36 healthy cohabitants. We measured serum markers and quantified the numbers of 19 fecal bacterial groups/genera/species by quantitative RT-PCR of 16S or 23S rRNA. Although the six most predominant bacterial groups/genera/species covered on average 71.3% of total intestinal bacteria, our analysis was not comprehensive compared to metagenome analysis or 16S rRNA amplicon sequencing. Results In PD, the number of Lactobacillus was higher, while the sum of analyzed bacteria, Clostridium coccoides group, and Bacteroides fragilis group were lower than controls. Additionally, the sum of putative hydrogen-producing bacteria was lower in PD. A linear regression model to predict disease durations demonstrated that C. coccoides group and Lactobacillus gasseri subgroup had the largest negative and positive coefficients, respectively. As a linear regression model to predict stool frequencies showed that these bacteria were not associated with constipation, changes in these bacteria were unlikely to represent worsening of constipation in the course of progression of PD. In PD, the serum lipopolysaccharide (LPS)-binding protein levels were lower than controls, while the levels of serum diamine oxidase, a marker for intestinal mucosal integrity, remained unchanged in PD. Conclusions The permeability to LPS is likely to be increased without compromising the integrity of intestinal mucosa in PD. The increased intestinal permeability in PD may make the patients susceptible to intestinal dysbiosis. Conversely, intestinal dysbiosis may lead to the increased intestinal permeability. One or both of the two mechanisms may be operational in development and progression of PD.
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Affiliation(s)
- Satoru Hasegawa
- Department of Pathophysiological Laboratory Sciences, Nagoya University Graduate School of Medicine, Nagoya, Japan
- Division of Neurogenetics, Center for Neurological Diseases and Cancer, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Sae Goto
- Department of Pathophysiological Laboratory Sciences, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | | | - Tatsuya Okuno
- Division of Neurogenetics, Center for Neurological Diseases and Cancer, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | | | | | - Akihide Shibata
- Division of Neurogenetics, Center for Neurological Diseases and Cancer, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yoshiro Fujisawa
- Department of Pathophysiological Laboratory Sciences, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Tomomi Minato
- Department of Pathophysiological Laboratory Sciences, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Akira Okamoto
- Department of School Health Sciences, Aichi University of Education, Kariya, Japan
| | - Kinji Ohno
- Division of Neurogenetics, Center for Neurological Diseases and Cancer, Nagoya University Graduate School of Medicine, Nagoya, Japan
- * E-mail: (MH); (KO)
| | - Masaaki Hirayama
- Department of Pathophysiological Laboratory Sciences, Nagoya University Graduate School of Medicine, Nagoya, Japan
- * E-mail: (MH); (KO)
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