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Kuo HC, Chen KD, Li PC. Molecular Hydrogen: Emerging Treatment for Stroke Management. Chem Res Toxicol 2023; 36:1864-1871. [PMID: 37988743 DOI: 10.1021/acs.chemrestox.3c00259] [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: 11/23/2023]
Abstract
Ischemic stroke is a major cause of death and disability worldwide. However, only intravenous thrombolysis using mechanical thrombectomy or tissue plasminogen activator is considered an effective and approved treatment. Molecular hydrogen is an emerging therapeutic agent and has recently become a research focus. Molecular hydrogen is involved in antioxidative, anti-inflammatory, and antiapoptotic functions in normal physical processes and may play an important role in stroke management; it has been evaluated in numerous preclinical and clinical studies in several administration formats, including inhalation of hydrogen gas, intravenous or intraperitoneal injection of hydrogen-enriched solution, or drinking of hydrogen-enriched water. In addition to investigation of the underlying mechanisms, the safety and efficacy of using molecular hydrogen have been carefully evaluated, and favorable outcomes have been achieved. All available evidence indicates that molecular hydrogen may be a promising treatment option for stroke management in the future. This review aimed to provide an overview of the role of molecular hydrogen in the management of stroke and possible further modifications of treatment conditions and procedures in terms of dose, duration, and administration route.
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Affiliation(s)
- Ho-Chang Kuo
- Department of Pediatrics and Kawasaki Disease Center, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan
- Division of Pulmonary & Critical Care Medicine, Department of Internal Medicine, Department of Respiratory Therapy, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan
- Taiwan Association for the Promotion of Molecular Hydrogen, Kaohsiung 83302, Taiwan
| | - Kuang-Den Chen
- Department of Pediatrics and Kawasaki Disease Center, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan
- Institute for Translational Research in Biomedicine, Liver Transplantation Center and Department of Surgery, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan
- Taiwan Association for the Promotion of Molecular Hydrogen, Kaohsiung 83302, Taiwan
| | - Ping-Chia Li
- Department of Occupational Therapy, I-Shou University, Yanchao District, Kaohsiung 82445, Taiwan
- Taiwan Association for the Promotion of Molecular Hydrogen, Kaohsiung 83302, Taiwan
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Zhao Z, Ji H, Zhao Y, Liu Z, Sun R, Li Y, Ni T. Effectiveness and safety of hydrogen inhalation as an adjunct treatment in Chinese type 2 diabetes patients: A retrospective, observational, double-arm, real-life clinical study. Front Endocrinol (Lausanne) 2023; 13:1114221. [PMID: 36743938 PMCID: PMC9889559 DOI: 10.3389/fendo.2022.1114221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Accepted: 12/28/2022] [Indexed: 01/20/2023] Open
Abstract
Aim To analyze the effectiveness and safety of hydrogen inhalation (HI) therapy as an adjunct treatment in Chinese type 2 diabetes mellitus (T2DM) patients in a real-life clinical setting. Methods This observational, non-interventional, retrospective, double-arm, 6-month clinical study included T2DM patients receiving conventional anti-diabetes medication with or without HI initiation from 2018 to 2021. Patients were assigned to the HI group or non-HI group (control group) after 1:1 propensity score matching (PSM). The mean change in glycated hemoglobin (HbA1c) after 6 months in different groups was evaluated primarily. The secondary outcome was composed of the mean change of fasting plasma glucose (FPG), weight, lipid profile, and homeostasis model assessment. Logistics regression was performed to evaluate the likelihood of reaching different HbA1c levels after 6-month treatment between the groups. Adverse event (AE) was also evaluated in patients of both groups. Results In total, 1088 patients were selected into the analysis. Compared to the control group, subjects in HI group maintained greater improvement in the level of HbA1c (-0.94% vs -0.46%), FPG (-22.7 mg/dL vs -11.7 mg/dL), total cholesterol (-12.9 mg/dL vs -4.4 mg/dL), HOMA-IR (-0.76 vs -0.17) and HOMA-β (8.2% vs 1.98%) with all p< 0.001 post the treatment. Logistics regression revealed that the likelihood of reaching HbA1c< 7%, ≥ 7% to< 8% and > 1% reduction at the follow-up period was higher in the HI group, while patients in the control group were more likely to attain HbA1c ≥ 9%. Patients in HI group was observed a lower incidence of several AEs including hypoglycemia (2.0% vs 6.8%), vomiting (2.6% vs 7.4%), constipation (1.7% vs 4.4%) and giddiness (3.3% vs 6.3%) with significance in comparison to the control group. Conclusion HI as an adjunct therapy ameliorates glycemic control, lipid metabolism, insulin resistance and AE incidence of T2DM patients after 6-month treatment, presenting a noteworthy inspiration to existing clinical diabetic treatment.
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Affiliation(s)
- Ziyi Zhao
- School of Clinical Medicine, Department of Medicine, Qingdao University, Qingdao, China
| | - Hongxiang Ji
- College of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Yunsheng Zhao
- Department of Endocrinology, Qingdao Hospital of Traditional Chinese Medicine (Qingdao Hiser Hospital), Qingdao, China
| | - Zeyu Liu
- School of Clinical Medicine, Department of Medicine, Qingdao University, Qingdao, China
| | - Ruitao Sun
- School of Clinical Medicine, Department of Medicine, Qingdao University, Qingdao, China
| | - Yuquan Li
- College of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Tongshang Ni
- Center of Integrated Traditional Chinese and Western Medicine, Department of Medicine, Qingdao University, Qingdao, China
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Molecular Hydrogen Neuroprotection in Post-Ischemic Neurodegeneration in the Form of Alzheimer's Disease Proteinopathy: Underlying Mechanisms and Potential for Clinical Implementation-Fantasy or Reality? Int J Mol Sci 2022; 23:ijms23126591. [PMID: 35743035 PMCID: PMC9224395 DOI: 10.3390/ijms23126591] [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: 05/12/2022] [Revised: 06/10/2022] [Accepted: 06/11/2022] [Indexed: 12/10/2022] Open
Abstract
Currently, there is a lot of public interest in naturally occurring substances with medicinal properties that are minimally toxic, readily available and have an impact on health. Over the past decade, molecular hydrogen has gained the attention of both preclinical and clinical researchers. The death of pyramidal neurons in especially the CA1 area of the hippocampus, increased permeability of the blood-brain barrier, neuroinflammation, amyloid accumulation, tau protein dysfunction, brain atrophy, cognitive deficits and dementia are considered an integral part of the phenomena occurring during brain neurodegeneration after ischemia. This review focuses on assessing the current state of knowledge about the neuroprotective effects of molecular hydrogen following ischemic brain injury. Recent studies in animal models of focal or global cerebral ischemia and cerebral ischemia in humans suggest that hydrogen has pleiotropic neuroprotective properties. One potential mechanism explaining some of the general health benefits of using hydrogen is that it may prevent aging-related changes in cellular proteins such as amyloid and tau protein. We also present evidence that, following ischemia, hydrogen improves cognitive and neurological deficits and prevents or delays the onset of neurodegenerative changes in the brain. The available evidence suggests that molecular hydrogen has neuroprotective properties and may be a new therapeutic agent in the treatment of neurodegenerative diseases such as neurodegeneration following cerebral ischemia with progressive dementia. We also present the experimental and clinical evidence for the efficacy and safety of hydrogen use after cerebral ischemia. The therapeutic benefits of gas therapy open up new promising directions in breaking the translational barrier in the treatment of ischemic stroke.
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Xie F, Jiang X, Yi Y, Liu ZJ, Ma C, He J, Xun ZM, Wang M, Liu MY, Mawulikplimi Adzavon Y, Zhao PX, Ma XM. Different effects of hydrogen-rich water intake and hydrogen gas inhalation on gut microbiome and plasma metabolites of rats in health status. Sci Rep 2022; 12:7231. [PMID: 35508571 PMCID: PMC9068821 DOI: 10.1038/s41598-022-11091-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Accepted: 03/31/2022] [Indexed: 12/17/2022] Open
Abstract
The potential for preventive and therapeutic applications of H2 have now been confirmed in various disease. However, the effects of H2 on health status have not been fully elucidated. Our previous study reported changes in the body weight and 13 serum biochemical parameters during the six-month hydrogen intervention. To obtain a more comprehensive understanding of the effects of long-term hydrogen consumption, the plasma metabolome and gut microbiota were investigated in this study. Compared with the control group, 14 and 10 differential metabolites (DMs) were identified in hydrogen-rich water (HRW) and hydrogen inhalation (HI) group, respectively. Pathway enrichment analysis showed that HRW intake mainly affected starch and sucrose metabolism, and DMs in HI group were mainly enriched in arginine biosynthesis. 16S rRNA gene sequencing showed that HRW intake induced significant changes in the structure of gut microbiota, while no marked bacterial community differences was observed in HI group. HRW intake mainly induced significant increase in the abundance of Lactobacillus, Ruminococcus, Clostridium XI, and decrease in Bacteroides. HI mainly induced decreased abundances of Blautia and Paraprevotella. The metabolic function was determined by metabolic cage analysis and showed that HI decreased the voluntary intake and excretions of rats, while HRW intake did not. The results of this study provide basic data for further research on hydrogen medicine. Determination of the effects of hydrogen intervention on microbiota profiles could also shed light on identification of mechanism underlying the biological effects of molecular hydrogen.
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Affiliation(s)
- Fei Xie
- Faculty of Environment and Life, Beijing University of Technology, No. 100, Pingleyuan, Chaoyang District, Beijing, 100124, China.,Beijing Molecular Hydrogen Research Center, Beijing, 100124, China
| | - Xue Jiang
- Faculty of Environment and Life, Beijing University of Technology, No. 100, Pingleyuan, Chaoyang District, Beijing, 100124, China.,Beijing Molecular Hydrogen Research Center, Beijing, 100124, China
| | - Yang Yi
- Faculty of Environment and Life, Beijing University of Technology, No. 100, Pingleyuan, Chaoyang District, Beijing, 100124, China.,Beijing Molecular Hydrogen Research Center, Beijing, 100124, China
| | - Zi-Jia Liu
- Faculty of Environment and Life, Beijing University of Technology, No. 100, Pingleyuan, Chaoyang District, Beijing, 100124, China.,Beijing Molecular Hydrogen Research Center, Beijing, 100124, China
| | - Chen Ma
- Faculty of Environment and Life, Beijing University of Technology, No. 100, Pingleyuan, Chaoyang District, Beijing, 100124, China.,Beijing Molecular Hydrogen Research Center, Beijing, 100124, China
| | - Jin He
- Faculty of Environment and Life, Beijing University of Technology, No. 100, Pingleyuan, Chaoyang District, Beijing, 100124, China.,Beijing Molecular Hydrogen Research Center, Beijing, 100124, China
| | - Zhi-Ming Xun
- Faculty of Environment and Life, Beijing University of Technology, No. 100, Pingleyuan, Chaoyang District, Beijing, 100124, China.,Beijing Molecular Hydrogen Research Center, Beijing, 100124, China
| | - Meng Wang
- Faculty of Environment and Life, Beijing University of Technology, No. 100, Pingleyuan, Chaoyang District, Beijing, 100124, China.,Beijing Molecular Hydrogen Research Center, Beijing, 100124, China
| | - Meng-Yu Liu
- Faculty of Environment and Life, Beijing University of Technology, No. 100, Pingleyuan, Chaoyang District, Beijing, 100124, China.,Beijing Molecular Hydrogen Research Center, Beijing, 100124, China
| | - Yao Mawulikplimi Adzavon
- Faculty of Environment and Life, Beijing University of Technology, No. 100, Pingleyuan, Chaoyang District, Beijing, 100124, China.,Beijing Molecular Hydrogen Research Center, Beijing, 100124, China
| | - Peng-Xiang Zhao
- Faculty of Environment and Life, Beijing University of Technology, No. 100, Pingleyuan, Chaoyang District, Beijing, 100124, China.,Beijing Molecular Hydrogen Research Center, Beijing, 100124, China
| | - Xue-Mei Ma
- Faculty of Environment and Life, Beijing University of Technology, No. 100, Pingleyuan, Chaoyang District, Beijing, 100124, China. .,Beijing Molecular Hydrogen Research Center, Beijing, 100124, China.
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Pang YQ, Yang J, Jia CM, Zhang R, Pang Q. Hypoxic preconditioning reduces NLRP3 inflammasome expression and protects against cerebral ischemia/reperfusion injury. Neural Regen Res 2022; 17:395-400. [PMID: 34269215 PMCID: PMC8464000 DOI: 10.4103/1673-5374.314317] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 01/29/2021] [Accepted: 04/02/2021] [Indexed: 11/28/2022] Open
Abstract
Hypoxic preconditioning can protect against cerebral ischemia/reperfusion injury. However, the underlying mechanisms that mediate this effect are not completely clear. In this study, mice were pretreated with continuous, intermittent hypoxic preconditioning; 1 hour later, cerebral ischemia/reperfusion models were generated by middle cerebral artery occlusion and reperfusion. Compared with control mice, mice with cerebral ischemia/reperfusion injury showed increased Bederson neurological function scores, significantly increased cerebral infarction volume, obvious pathological damage to the hippocampus, significantly increased apoptosis; upregulated interleukin-1β, interleukin-6, and interleukin-8 levels in brain tissue; and increased expression levels of NOD-like receptor family pyrin domain containing 3 (NLRP3), NLRP inflammasome-related protein caspase-1, and gasdermin D. However, hypoxic preconditioning significantly inhibited the above phenomena. Taken together, these data suggest that hypoxic preconditioning mitigates cerebral ischemia/reperfusion injury in mice by reducing NLRP3 inflammasome expression. This study was approved by the Medical Ethics Committee of the Fourth Hospital of Baotou, China (approval No. DWLL2019001) in November 2019.
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Affiliation(s)
- Yi-Qiang Pang
- Department of Neurosurgery, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong Province, China
- Department of Neurosurgery, The Fourth Hospital of Baotou, Baotou, Inner Mongolia Autonomous Region, China
| | - Jing Yang
- Department of Basic Medicine and Forensic Medicine, Baotou Medical College, Baotou, Inner Mongolia Autonomous Region, China
| | - Chun-Mei Jia
- Department of Neurosurgery, The Fourth Hospital of Baotou, Baotou, Inner Mongolia Autonomous Region, China
| | - Rui Zhang
- Department of Neurosurgery, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong Province, China
| | - Qi Pang
- Department of Neurosurgery, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong Province, China
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Peroxiredoxin 6 secreted by Schwann-like cells protects neuron against ischemic stroke in rats via PTEN/PI3K/AKT pathway. Tissue Cell 2021; 73:101635. [PMID: 34482185 DOI: 10.1016/j.tice.2021.101635] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Revised: 08/27/2021] [Accepted: 08/27/2021] [Indexed: 11/21/2022]
Abstract
Schwann cells can promote the survival of damaged neurons and axon regeneration by secreting or releasing some proteins and factors which may provide effective strategies to the remedy for ischemic stroke. The models of middle cerebral artery occlusion and oxygen-glucose deprivation (OGD) were established. Peroxiredoxin 6 (PRDX6) was found in Schwann-like cell conditioned medium (SCLC-CM) by mass spectrometry. The rehabilitative performance of SCLC-CM on focal cerebral ischemia of rats and on OGD-induced PC12 cells were assessed. SCLC-CM significantly improved neurological recovery, reducing the infarct volume of rats after stroke. PRDX6 could significantly inhibit neuron apoptosis in the OGD injury by mediating oxidative stress and activating the PTEN/PI3K/AKT pathway. In conclusion, PRDX6 secreted by Schwann-like cell protects neuron against focal cerebral ischemia, SCLC-CM might be a new effective early intervention for ischemic stroke.
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Ning K, Guan ZB, Lu HT, Zhang N, Sun XJ, Liu WW. Lung macrophages are involved in lung injury secondary to repetitive diving. J Zhejiang Univ Sci B 2021; 21:646-656. [PMID: 32748580 DOI: 10.1631/jzus.b1900687] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
This study aimed to establish an animal model of decompression-induced lung injury (DILI) secondary to repetitive diving in mice and explore the role of macrophages in DILI and the protective effects of high-concentration hydrogen (HCH) on DILI. Mice were divided into three groups: control group, DILI group, and HCH group. Mice were exposed to hyperbaric air at 600 kPa for 60 min once daily for consecutive 3 d and then experienced decompression. In HCH group, mice were administered with HCH (66.7% hydrogen and 33.3% oxygen) for 60 min after each hyperbaric exposure. Pulmonary function tests were done 6 h after decompression; the blood was harvested for cell counting; the lung tissues were harvested for the detection of inflammatory cytokines, hematoxylin and eosin (HE) staining, and immunohistochemistry; western blotting and polymerase chain reaction (PCR) were done for the detection of markers for M1 and M2 macrophages. Our results showed that bubbles formed after decompression and repeated hyperbaric exposures significantly reduced the total lung volume and functional residual volume. Moreover, repetitive diving dramatically increased proinflammatory factors and increased the markers of both M1 and M2 macrophages. HCH inhalation improved lung function to a certain extent, and significantly reduced the pro-inflammatory factors. These effects were related to the reduction of M1 macrophages as well as the increase in M2 macrophages. This study indicates that repetitive diving damages lung function and activates lung macrophages, resulting in lung inflammation. HCH inhalation after each diving may be a promising strategy for the prevention of DILI.
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Affiliation(s)
- Ke Ning
- Department of Navy Aviation Medicine, Faculty of Naval Medicine, the Naval Military Medical University, Shanghai 200433, China
| | - Zhen-Biao Guan
- Department of Respiratory Diseases, Hongkou Branch of Changhai Hospital, the Naval Military Medical University, Shanghai 200081, China
| | - Hong-Tao Lu
- Department of Navy Aviation Medicine, Faculty of Naval Medicine, the Naval Military Medical University, Shanghai 200433, China
| | - Ning Zhang
- Department of Navy Aviation Medicine, Faculty of Naval Medicine, the Naval Military Medical University, Shanghai 200433, China
| | - Xue-Jun Sun
- Department of Navy Aviation Medicine, Faculty of Naval Medicine, the Naval Military Medical University, Shanghai 200433, China
| | - Wen-Wu Liu
- Department of Diving Medicine, Faculty of Naval Medicine, the Naval Military Medical University, Shanghai 200433, China
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Huang L, Lenahan C, Boling W, Tang J, Zhang JH. Molecular Hydrogen Application in Stroke: Bench to Bedside. Curr Pharm Des 2021; 27:703-712. [PMID: 32940172 DOI: 10.2174/1381612826666200917152316] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Accepted: 07/27/2020] [Indexed: 11/22/2022]
Abstract
Stroke is a major cause of mortality and morbidity worldwide. Effective treatments are limited. Molecular hydrogen is emerging as a novel medical gas with therapeutic potential for various neurological diseases, including stroke. We reviewed the experimental and clinical findings of the effects of molecular hydrogen therapy in stroke patients and models. The underlying neuroprotective mechanisms against stroke pathology were also discussed.
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Affiliation(s)
- Lei Huang
- Department of Neurosurgery, Loma Linda University, Loma Linda, CA92354, United States
| | - Cameron Lenahan
- Center for Neuroscience Research, Loma Linda University School of Medicine, Loma Linda, CA, 92324, United States
| | - Warren Boling
- Department of Neurosurgery, Loma Linda University, Loma Linda, CA92354, United States
| | - Jiping Tang
- Center for Neuroscience Research, Loma Linda University School of Medicine, Loma Linda, CA, 92324, United States
| | - John H Zhang
- Department of Neurosurgery, Loma Linda University, Loma Linda, CA92354, United States
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Chen W, Zhang HT, Qin SC. Neuroprotective Effects of Molecular Hydrogen: A Critical Review. Neurosci Bull 2021; 37:389-404. [PMID: 33078374 PMCID: PMC7954968 DOI: 10.1007/s12264-020-00597-1] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Accepted: 05/31/2020] [Indexed: 12/15/2022] Open
Abstract
Molecular hydrogen (H2) is a physiologically inert gas. However, during the last 10 years, increasing evidence has revealed its biological functions under pathological conditions. More specifically, H2 has protective effects against a variety of diseases, particularly nervous system disorders, which include ischemia/reperfusion injury, traumatic injury, subarachnoid hemorrhage, neuropathic pain, neurodegenerative diseases, cognitive dysfunction induced by surgery and anesthesia, anxiety, and depression. In addition, H2 plays protective roles mainly through anti-oxidation, anti-inflammation, anti-apoptosis, the regulation of autophagy, and preservation of mitochondrial function and the blood-brain barrier. Further, H2 is easy to use and has neuroprotective effects with no major side-effects, indicating that H2 administration is a potential therapeutic strategy in clinical settings. Here we summarize the H2 donors and their pharmacokinetics. Meanwhile, we review the effectiveness and safety of H2 in the treatment of various nervous system diseases based on preclinical and clinical studies, leading to the conclusion that H2 can be a simple and effective clinical therapy for CNS diseases such as ischemia-reperfusion brain injury, Parkinson's disease, and diseases characterized by cognitive dysfunction. The potential mechanisms involved in the neuroprotective effect of H2 are also analyzed.
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Affiliation(s)
- Wei Chen
- Taishan Institute for Hydrogen Biomedicine, Shandong First Medical University and Shandong Academy of Medical Sciences, Tai'an, 271000, China
- Key Laboratory of Atherosclerosis in Universities of Shandong and Institute of Atherosclerosis, Shandong First Medical University and Shandong Academy of Medical Sciences, Tai'an, 271000, China
| | - Han-Ting Zhang
- Departments of Neuroscience and Behavioral Medicine and Psychiatry, Rockefeller Neurosciences Institute, West Virginia University Health Sciences Center, Morgantown, WV, 26506, USA.
| | - Shu-Cun Qin
- Taishan Institute for Hydrogen Biomedicine, Shandong First Medical University and Shandong Academy of Medical Sciences, Tai'an, 271000, China.
- Key Laboratory of Atherosclerosis in Universities of Shandong and Institute of Atherosclerosis, Shandong First Medical University and Shandong Academy of Medical Sciences, Tai'an, 271000, China.
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Yue W, Cunlin G, Lu H, Yuanqing Z, Yanjun T, Qiong W. Neuroprotective effect of intermittent hypobaric hypoxia preconditioning on cerebral ischemia/reperfusion in rats. INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL PATHOLOGY 2020; 13:2860-2869. [PMID: 33284899 PMCID: PMC7716138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Accepted: 10/11/2020] [Indexed: 06/12/2023]
Abstract
BACKGROUND Ischemic tolerance is an endogenous protective mechanism in organs or tissues undergoing one or more short-term sublethal ischemias. Intermittent hypobaric hypoxia preconditioning (IHHP) can induce tolerance and thus protect brain tissues from cerebral ischemic injury (CIR). The current study evaluated the neuroprotective effect of IHHP. METHODS The established xenograft model was divided into the ischemia/reperfusion (I/R), IHHP, IHHP+I/R, and sham groups. Transmission electron microscopy was used to observe alterations in neuron ultrastructure. Neuron damage was detected using Nissl staining. Western blot and qRT-PCR were used to evaluate the relative expression of genes and proteins related to apoptosis. Immunohistochemistry was used to determine the expression of proteins involved in the processes of neuroprotection and repair. RESULTS Our results indicated that the damage to the neurons, organelles, and axons was significantly less following ischemia/reperfusion and intermittent hypobaric hypoxia reconditioning treatment than that in the ischemia/reperfusion group. Compared to the ischemia/reperfusion group, significant downregulation of pro-apoptotic gene/protein expressions along with upregulation of anti-apoptotic and nerve regeneration gene/protein expressions in the IHHP+I/R group were observed. CONCLUSION IHHP can significantly reduce ischemia/reperfusion injury in rat brain nerves and promote nerve repair.
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Affiliation(s)
- Wu Yue
- Department of Pathology, Medical College of Qinghai UniversityXining 810000, Qinghai, P. R. China
| | - Gu Cunlin
- Department of Biochemistry, Qinghai UniversityXining 810000, Qinghai, P. R. China
| | - Huang Lu
- Department of Neurology, Qinghai Provincial People’s HospitalXining 810000, Qinghai, P. R. China
| | - Zhao Yuanqing
- Department of Pathology, People’s Hospital of Huzhu CountyXining 810000, Qinghai, P. R. China
| | - Tang Yanjun
- Department of Anatomy, Medical College of Qinghai UniversityXining 810000, Qinghai, P. R. China
| | - Wu Qiong
- Department of Function Laboratory, Medical College of Qinghai UniversityXining 810000, Qinghai, P. R. China
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Liao S, Apaijai N, Chattipakorn N, Chattipakorn SC. The possible roles of necroptosis during cerebral ischemia and ischemia / reperfusion injury. Arch Biochem Biophys 2020; 695:108629. [PMID: 33068524 DOI: 10.1016/j.abb.2020.108629] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2020] [Revised: 09/03/2020] [Accepted: 10/12/2020] [Indexed: 02/07/2023]
Abstract
Cell death is a process consequential to cerebral ischemia and cerebral ischemia/reperfusion (I/R) injury. Recent evidence suggest that necroptosis has been involved in the pathogenesis of ischemic brain injury. The mechanism of necroptosis is initiated by an activation of inflammatory receptors including tumor necrosis factor, toll like receptor, and fas ligands. The signals activate the receptor-interacting protein kinase (RIPK) 1, 3, and a mixed-lineage kinase domain-like pseudokinase (MLKL) to instigate necroptosis. RIPK1 inhibitor, necrostatin-1, was developed, and dramatically reduced brain injury following cerebral ischemia in mice. Consequently, necroptosis could be a novel therapeutic target for stroke, which aims to reduce long-term adverse outcomes after cerebral ischemia. Several studies have been conducted to test the roles of necroptosis on cerebral ischemia and cerebral I/R injury, and the efficacy of necrostatin-1 has been tested in those models. Evidence regarding the roles of necroptosis and the effects of necrostatin-1, from in vitro and in vivo studies, has been summarized and discussed. In addition, other therapeutic managements, involving in necroptosis, are also included in this review. We believe that the insights from this review might clarify the clinical perspective and challenges involved in future stroke treatment by targeting the necroptosis pathway.
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Affiliation(s)
- Suchan Liao
- Neurophysiology Unit, Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand; Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, 50200, Thailand; Cardiac Electrophysiology Unit, Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Nattayaporn Apaijai
- Neurophysiology Unit, Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand; Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Nipon Chattipakorn
- Neurophysiology Unit, Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand; Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, 50200, Thailand; Cardiac Electrophysiology Unit, Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Siriporn C Chattipakorn
- Neurophysiology Unit, Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand; Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, 50200, Thailand; Department of Oral Biology and Diagnostic Sciences, Faculty of Dentistry, Chiang Mai University, Chiang Mai, 50200, Thailand.
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Hao Y, Dong X, Liu H, Wang Y. Preconditioning with one-time hydrogen gas does not attenuate skin flap ischemia-reperfusion injury in rat models. J Plast Reconstr Aesthet Surg 2019; 72:1661-1668. [DOI: 10.1016/j.bjps.2019.06.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Revised: 05/04/2019] [Accepted: 06/09/2019] [Indexed: 12/19/2022]
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Cheng X, Zhang F, Li J, Wang G. Galuteolin attenuates cerebral ischemia/reperfusion injury in rats via anti-apoptotic, anti-oxidant, and anti-inflammatory mechanisms. Neuropsychiatr Dis Treat 2019; 15:2671-2680. [PMID: 31571883 PMCID: PMC6754329 DOI: 10.2147/ndt.s215263] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Accepted: 08/03/2019] [Indexed: 01/11/2023] Open
Abstract
PURPOSE Galuteolin is a substance extracted and purified from honeysuckle. The purpose of this study was to explore the protective effect of galuteolin on cerebral ischemia-reperfusion injury (CIRI) and reveal its potential molecular mechanism from the perspectives of anti-apoptosis, anti-oxidation, and anti-inflammation. MATERIALS AND METHODS One hundred and fifty rats were randomly divided into five groups: sham group, ischemia-reperfusion (I/R) group, 50 mg/kg galuteolin group, 100 mg/kg galuteolin group, and 200 mg/kg galuteolin group. Middle cerebral artery occlusion (MCAO) was used to establish a rat CIRI model, different doses of galtenolin were intraperitoneal injected 2 hrs after ischemia, and then reperfusion was performed for 24 hrs. Neurological function and cerebral water content were determined, and cerebral infarct volume was evaluated by TTC staining. TUNEL staining was used to detect the apoptosis of nerve cells. Western Blot was used to detect the expressions of Akt, p-Akt, Sod1, Sod2, catalase, caspase-3, Bcl-2, and Bax. Lipid hydrogen peroxide (LPO) was determined by kit assay. The contents of vascular endothelial growth factor (VEGF) and pro-inflammatory cytokines IL-1β and TNF-α were determined by ELISA. RESULTS The results showed that galuteolin could significantly reduce the cerebral infarction volume, neurologic score, and cerebral water content in a dose-dependent manner. In addition, galuteolin obviously reduced the apoptosis rate of nerve cells and the expression levels of caspase-3 and Bax, meanwhile up-regulated the expression levels of p-Akt and Bcl-2. Furthermore, galuteolin apparently inhibited the levels of LPO, Sod1, Sod2, and catalase in the cerebral infarction tissues. Moreover, galuteolin also significantly reduced the levels of pro-inflammatory factors IL-1β and TNF-α in the cerebral infarction tissues. Finally, Galuteolin markedly inhibited the expression of VEGF in cerebral infarction tissues. CONCLUSION Galuteolin exerts neuroprotective effects against CIRI by inhibiting apoptosis, oxidation, and inflammation.
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Affiliation(s)
- Xue Cheng
- Department of Neurology, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou City, Liaoning Province121001, People’s Republic of China
| | - Fan Zhang
- Department of Neurology, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou City, Liaoning Province121001, People’s Republic of China
| | - Jingwei Li
- Department of Neurology, Liaoning Health Industry Group Fuxin Mine General Hospital, Jinzhou City, Liaoning Province121001, People’s Republic of China
| | - Gang Wang
- Department of Interventional Radiology, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou City, Liaoning Province121001, People’s Republic of China
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Chen L, Chao Y, Cheng P, Li N, Zheng H, Yang Y. UPLC-QTOF/MS-Based Metabolomics Reveals the Protective Mechanism of Hydrogen on Mice with Ischemic Stroke. Neurochem Res 2019; 44:1950-1963. [PMID: 31236794 DOI: 10.1007/s11064-019-02829-x] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Revised: 05/11/2019] [Accepted: 06/11/2019] [Indexed: 12/12/2022]
Abstract
As a reductive gas, hydrogen plays an antioxidant role by selectively scavenging oxygen free radicals. It has been reported that hydrogen has protective effects against nerve damage caused by ischemia-reperfusion in stroke, but the specific mechanism is still unclear. Therefore, this study aims to investigate the protective effects of hydrogen on stroke-induced ischemia-reperfusion injury and its detailed mechanism. Two weeks after the inhalation of high concentrations (66.7%) of hydrogen, middle cerebral artery occlusion (MCAO) was induced in mice using the thread occlusion technique to establish an animal model of the focal cerebral ischemia-reperfusion. Then, a metabolomics analysis of mouse cerebral cortex tissues was first performed by ultra-performance liquid chromatography-quadrupole time-of-flight mass spectrometry (UPLC-QTOF/MS) to study the metabolic changes and protective mechanisms of hydrogen on stroke ischemia-reperfusion injury. According to the metabolomic profiling of cortex tissues, 29 different endogenous metabolites were screened, including palmitoyl-L-carnitine, citric acid, glutathione, taurine, acetyl-L-carnitine, N-acetylaspartylglutamic acid (NAAG), L-aspartic acid, lysophosphatidylcholine (LysoPC) and lysophosphatidylethanolamine (LysoPE). Through pathway analysis, the metabolic pathways were concentrate on the glutathione pathway and the taurine pathway, mitochondrial energy metabolism and phospholipid metabolism that related to the oxidative stress process. This result reveals that hydrogen may protect against ischemic stroke by reducing oxidative stress during ischemia-reperfusion, thereby protecting nerve cells from reactive oxygen species(ROS).
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Affiliation(s)
- Lilin Chen
- College of Basic Medicine, Second Military Medical University, Shanghai, 200433, People's Republic of China
| | - Yufan Chao
- School of Pharmacy, Second Military Medical University, Shanghai, 200433, People's Republic of China
| | - Pengchao Cheng
- College of Basic Medicine, Second Military Medical University, Shanghai, 200433, People's Republic of China
| | - Na Li
- School of Pharmacy, Second Military Medical University, Shanghai, 200433, People's Republic of China
| | - Hongnan Zheng
- Department of Natural Medicine, School of Pharmacy, Fourth Military Medical University, Xi'an, 710032, Shaanxi, People's Republic of China.
| | - Yajuan Yang
- Department of Nursing, Changzheng Hospital, Second Military Medical University, Shanghai, 200003, People's Republic of China.
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Hydrogen ventilation combined with mild hypothermia improves short-term neurological outcomes in a 5-day neonatal hypoxia-ischaemia piglet model. Sci Rep 2019; 9:4088. [PMID: 30858437 PMCID: PMC6411734 DOI: 10.1038/s41598-019-40674-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Accepted: 02/20/2019] [Indexed: 01/21/2023] Open
Abstract
Despite its poor outcomes, therapeutic hypothermia (TH) is the current standard treatment for neonatal hypoxic-ischaemic encephalopathy (HIE). In this study, due to its antioxidant, anti-inflammatory, and antiapoptotic properties, the effectiveness of molecular hydrogen (H2) combined with TH was evaluated by means of neurological and histological assessments. Piglets were divided into three groups: hypoxic-ischaemic insult with normothermia (NT), insult with hypothermia (TH, 33.5 ± 0.5 °C), and insult with hypothermia with H2 ventilation (TH-H2, 2.1–2.7%). H2 ventilation and TH were administered for 24 h. After ventilator weaning, neurological assessment was performed every 6 h for 5 days. On day 5, the brains of the piglets were harvested for histopathological analysis. Regarding the neurological score, the piglets in the TH-H2 group consistently had the highest score from day 2 to 5 and showed a significantly higher neurological score from day 3 compared with the NT group. Most piglets in the TH-H2 group could walk at day 3 of recovery, whereas walking ability was delayed in the two other groups. The histological results revealed that TH-H2 tended to improve the status of cortical gray matter and subcortical white matter, with a considerable reduction in cell death. In this study, the combination of TH and H2 improved short-term neurological outcomes in neonatal hypoxic-ischaemic piglets.
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Hydrogen and Oxygen Mixture to Improve Cardiac Dysfunction and Myocardial Pathological Changes Induced by Intermittent Hypoxia in Rats. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:7415212. [PMID: 30984338 PMCID: PMC6431505 DOI: 10.1155/2019/7415212] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/29/2018] [Revised: 12/11/2018] [Accepted: 01/23/2019] [Indexed: 12/25/2022]
Abstract
Obstructive sleep apnea (OSA) can cause intermittent changes in blood oxygen saturation, resulting in the generation of many reactive oxygen species (ROS). To discover new antioxidants and clarify the endoplasmic reticulum (ER) stress involved in cardiac injury in OSA, we established a chronic intermittent hypoxia (CIH) rat model with a fraction of inspired O2 (FiO2) ranging from 21% to 9%, 20 times/h for 8 h/day, and the rats were treated with H2-O2 mixture (67% hydrogen and 33% oxygen) for 2 h/day for 35 days. Our results showed that H2-O2 mixture remarkably improved cardiac dysfunction and myocardial fibrosis. We found that H2-O2 mixture inhalation declined ER stress-induced apoptosis via three major response pathways: PERK-eIF2α-ATF4, IRE 1-XBP1, and ATF 6. Furthermore, we revealed that H2-O2 mixture blocked c-Jun N-terminal kinase- (JNK-) MAPK activation, increased the ratio of Bcl-2/Bax, and inhibited caspase 3 cleavage to protect against CIH-induced cardiac apoptosis. In addition, H2-O2 mixture considerably decreased ROS levels via upregulating superoxide dismutase (SOD) and glutathione (GSH) as well as downregulating NADPH oxidase (NOX 2) expression in the hearts of CIH rats. All the results demonstrated that H2-O2 mixture significantly reduced ER stress and apoptosis and that H2 might be an efficient antioxidant against the oxidative stress injury induced by CIH.
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Wen JY, Wang M, Li YN, Jiang HH, Sun XJ, Chen ZW. Vascular Protection of Hydrogen Sulfide on Cerebral Ischemia/Reperfusion Injury in Rats. Front Neurol 2018; 9:779. [PMID: 30405510 PMCID: PMC6203172 DOI: 10.3389/fneur.2018.00779] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Accepted: 08/29/2018] [Indexed: 12/14/2022] Open
Abstract
This study was undertaken to demonstrate the vascular protection of exogenous and endogenous hydrogen sulfide (H2S) on cerebral ischemia/reperfusion (I/R) injury. The effect of H2S on cerebrovascular dysfunction in middle cerebral artery (MCA) and neuronal damage were measured after cerebral I/R induced by transient middle cerebral artery occlusion (MCAO) in cystathionine c-lyase (CSE) knockdown and wild-type rats. The effect of sodium hydrosulfide (NaHS, donor of exogenous H2S), L-cysteine (L-Cys, substrate of endogenous H2S), and endothelium cells on the responses of isolated MCA derived from non-ischemic rats was also evaluated to assess the underlying mechanism of H2S-mediate cerebral vasodilation. The results revealed that the contraction and dilation of MCA profoundly decreased after cerebral I/R. The vascular dysfunction became more grievous in CSE knockdown rats than in wild-type rats. Interestingly, this vascular dysfunction was significantly alleviated by NaHS supplementation. Moreover, both NaHS and L-cysteine could induce remarkable relaxation in the isolated MCA, which was eliminated by co-application of potassium channel blockers ChTx and Apamin, or endothelial removal. By contrast, adding endothelium cells cultured in vitro together with ACh into the luminal perfusate could mimic non-NO and non-PGI2 relaxation in endothelium-denuded MCA, once CSE was knocked down from endothelium cells, and its effect on vasorelaxation was abolished. Furthermore, the indexes of neuronal injury were measured after cerebral I/R to confirm the neuroprotection of H2S, and we found that the neurological scores, cerebral infarction volume, brain water content, malondialdehyde content, and serum lactate dehydrogenase activity (a marker of cellular membrane integrity) were significantly higher in CSE knockdown rats than in normal control rats. It is not surprising that NaHS could alleviate the cerebral injury. These findings revealed that H2S has a protective effect on cerebral I/R injury via its upregulation of the endothelium-dependent contraction and dilation function of cerebral vessels, which may be related to activating potassium channel.
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Affiliation(s)
- Ji-Yue Wen
- Department of Pharmacology, Anhui Medical University, Hefei, China
| | - Mei Wang
- Department of Pharmacy, Children's Hospital of Soochow University, Suzhou, China
| | - Ya-Nan Li
- Department of Pharmacology, Anhui Medical University, Hefei, China
| | - Hui-Hui Jiang
- Department of Pharmacology, Anhui Medical University, Hefei, China
| | - Xuan-Jun Sun
- Department of Pharmacology, Anhui Medical University, Hefei, China
| | - Zhi-Wu Chen
- Department of Pharmacology, Anhui Medical University, Hefei, China
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