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Wang T, Zhang Y. Mechanisms and therapeutic targets of carbon monoxide poisoning: A focus on reactive oxygen species. Chem Biol Interact 2024; 403:111223. [PMID: 39237073 DOI: 10.1016/j.cbi.2024.111223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2024] [Revised: 08/08/2024] [Accepted: 09/02/2024] [Indexed: 09/07/2024]
Abstract
Carbon monoxide (CO) poisoning presents a substantial public health challenge that necessitates the identification of its pathological mechanisms and therapeutic targets. CO toxicity arises from tissue hypoxia-ischemia secondary to carboxyhemoglobin formation, and cellular damage mediated by CO at the cellular level. The mitochondria are the major targets of neuronal damage caused by CO. Under normal physiological conditions, mitochondria produce reactive oxygen species (ROS), which are byproducts of aerobic metabolism. While low ROS levels are crucial for essential cellular functions, including signal transduction, differentiation, responses to hypoxia and immunity, transcriptional regulation, and autophagy, excess ROS become pathological and exacerbate CO poisoning. This review presents the evidence of elevated ROS being associated with the progression of CO poisoning. Antioxidant treatments targeting ROS removal have been proven effective in mitigating CO poisoning, underscoring their therapeutic potential. In this review, we highlight the latest advances in the understanding of the role and the clinical implications of ROS in CO poisoning. We focus on cellular sources of ROS, the molecular mechanisms underlying mitochondrial oxidative stress, and potential therapeutic strategies for targeting ROS in CO poisoning.
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Affiliation(s)
- Tianhong Wang
- Department of Neurology, The First Hospital of Lanzhou University, Lanzhou, 730000, China.
| | - Yanli Zhang
- Department of Radiology, The First Hospital of Lanzhou University, Lanzhou, 730000, China
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Wang S, Xiong B, Tian Y, Hu Q, Jiang X, Zhang J, Chen L, Wang R, Li M, Zhou X, Zhang T, Ge H, Yu A. Targeting Ferroptosis Promotes Functional Recovery by Mitigating White Matter Injury Following Acute Carbon Monoxide Poisoning. Mol Neurobiol 2024; 61:1157-1174. [PMID: 37697220 DOI: 10.1007/s12035-023-03603-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Accepted: 08/21/2023] [Indexed: 09/13/2023]
Abstract
Survivors experiencing acute carbon monoxide poisoning (ACMP) tend to develop white matter injury (WMI). The mechanism of ACMP-induced WMI remains unclear. Considering the role of ferroptosis in initiating oligodendrocyte damage to deteriorate WMI, exploring therapeutic options to attenuate ferroptosis is a feasible approach to alleviating WMI. Our results indicated that ACMP induced accumulation of iron and reactive oxygen species (ROS) eventually leading to WMI and motor impairment after ACMP. Furthermore, ferrostatin-1 reduced iron and ROS deposition to alleviate ferroptosis, thereafter reducing WMI to promote the recovery of motor function. The nuclear factor erythroid-related factor 2 (Nrf2)/heme oxygenase-1 (HO-1) signaling pathway was found to be involved in alleviating ferroptosis as seen with the administration of ferrostatin-1. The present study rationalizes that targeting ferroptosis to alleviate WMI is a feasible therapeutic strategy for managing ACMP.
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Affiliation(s)
- Shuhong Wang
- Department of Emergency, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, 563000, China
| | - Binyuan Xiong
- Department of Emergency, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, 563000, China
| | - Yin Tian
- Department of Cardiology, The First People's Hospital of Zunyi, Zunyi, Guizhou, 133012, China
| | - Quan Hu
- Department of Emergency, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, 563000, China
| | - Xuheng Jiang
- Department of Emergency, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, 563000, China
| | - Ji Zhang
- Department of Emergency, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, 563000, China
| | - Lin Chen
- Department of Emergency, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, 563000, China
| | - Ruilie Wang
- Department of Emergency, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, 563000, China
| | - Mo Li
- Department of Emergency, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, 563000, China
| | - Xin Zhou
- Department of Emergency, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, 563000, China
| | - Tianxi Zhang
- Department of Emergency, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, 563000, China.
| | - Hongfei Ge
- Department of Emergency, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, 563000, China.
| | - Anyong Yu
- Department of Emergency, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, 563000, China.
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Baharara H, Ghasemi H, Samadi S, Roohshad B, Jomehzadeh V, Ravankhah Moghaddam K, Mohammadpour AH, Arasteh O. The effect of preconditioning agents on cardiotoxicity and neurotoxicity of carbon monoxide poisoning in animal studies: a systematic review. Drug Chem Toxicol 2023; 46:256-270. [PMID: 35616381 DOI: 10.1080/01480545.2021.2021931] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
BACKGROUND Carbon monoxide (CO) poisoning is a common intoxication and many people die yearly due to CO poisoning and preconditioning agents attenuate brain and cardiac injury caused by intoxication. It is critical to fully understand the efficacy of new methods to directly target the toxic effect of CO, such as conditioning agents, which are currently under development. This study aims to systematically investigate current evidence from animal experiments and the effects of administration preconditions in acute and late phases after CO poisoning on cardiotoxicity and neurotoxicity. METHODS Four databases (PubMed, Embase, Scopus, and Web of Science) were systematically searched without language restrictions, and hand searching was conducted until November 2021. We included studies that compare preconditioning agents with the control group after CO poisoning in animals. The SYRCLE RoB tool was used for risk of bias assessments. RESULTS Thirty-seven studies were included in the study. Erythropoietin, granulocyte colony-stimulating factor (GCSF), hydrogen-rich saline, and N-butylphthalide (NBP) were found to have positive effects on reducing neurotoxicity and cardiotoxicity. As other preconditions have fewer studies, no valuable results can be deduced. Most of the studies were unclear for sources of bias. DISCUSSION Administration of the examined preconditioning agents including NBP, hydrogen-rich saline, and GCSF in acute and late phases could attenuate neurotoxicity and cardiotoxicity of CO poisoned animals. For a better understanding of mechanisms and activities, and finding new and effective preconditioning agents, further preclinical and clinical studies should be performed to analyze the effects of preconditioning agents.
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Affiliation(s)
- Hamed Baharara
- Department of Clinical Pharmacy, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hanieh Ghasemi
- Department of Clinical Pharmacy, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Sara Samadi
- Department of Clinical Pharmacy, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.,Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Bahar Roohshad
- Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Vahid Jomehzadeh
- Department of Surgery, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Amir Hooshang Mohammadpour
- Department of Clinical Pharmacy, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.,Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Omid Arasteh
- Department of Clinical Pharmacy, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
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Geng N, Gao X, Wang X, Cui S, Wang J, Liu Y, Chen W, Liu J. Hydrogen helps to ameliorate Staphylococcus aureus-induced mastitis in mice. Int Immunopharmacol 2022; 109:108940. [PMID: 35700582 DOI: 10.1016/j.intimp.2022.108940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 06/06/2022] [Accepted: 06/07/2022] [Indexed: 11/27/2022]
Abstract
Many studies have shown that hydrogen has anti-inflammatory and anti-oxidant effects. Because of its ability to quickly pass through cell membranes, hydrogen has become a hot spot in the research of inflammatory diseases. Vitamin E glycerin (VEG) and hydrogen-rich Vitamin E glycerin (HR-VEG) were prepared, aiming to explore their anti-inflammatory activities in mice mastitis induced by Staphylococcus aureus (S. aureus). In the early part of this study, the prepared vitamin E medium (VEM) and hydrogen-rich vitamin E medium (HR-VEM) were added to mammary epithelial cells infected with S. aureus. HR-VEM was found to be more effective in reducing the phosphorylation of p65 and p38 and in reducing the production of interleukin-1 beta (IL-1β) than VEM. Whereafter, the mice model of mastitis was established by injecting S. aureus from the mammary duct. Then VEG and HR-VEG were applied to the mammary gland for seven consecutive days. After that, the clinical symptoms, histopathology, bacterial load, inflammatory factors, as well as the related pathway were analyzed. The results showed that HR-VEG can more significantly alleviate the damage of mammary tissue than VEG, and reduce the production of tumor necrosis factor-alpha (TNF-α), IL-1β and interleukin 6 (IL-6). In addition, HR-VEG inhibited the TLR2 and Nod2 signaling pathways and reduced the phosphorylation level of MAPK and NF-κB signaling pathways in S. aureus-induced murine mastitis. This study indicates that hydrogen helps to ameliorate S. aureus-induced mastitis in mice through attenuating TLR2 and Nod2 mediated NF-κB and MAPK activation.
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Affiliation(s)
- Na Geng
- College of Veterinary Medicine, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Xin Gao
- Research Center for Animal Disease Control Engineering, Tai'an, Shandong 271018, China
| | - Xiaozhou Wang
- College of Veterinary Medicine, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Shuai Cui
- Modern Animal Husbandry Development Service Center of Dongying City, Dongying, Shandong 257091, China
| | - Jinji Wang
- Shandong Zhongnong Puning Pharmaceutical Co. LTD. Tai an, Shandong 271027, China
| | - Yongxia Liu
- Research Center for Animal Disease Control Engineering, Tai'an, Shandong 271018, China.
| | - Wei Chen
- School of Basic Medical Science, The Second Affiliated Hospital of Shandong First Medical University & Shandong Academy of Medical Science, Tai'an, Shandong 271000, China
| | - Jianzhu Liu
- College of Veterinary Medicine, Shandong Agricultural University, Tai'an, Shandong 271018, China.
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Guo X, Song Q, Wang H, Li N, Su W, Liang M, Sun C, Ding X, Liang Q, Sun Y. Systematic review and meta-analysis of studies between short-term exposure to ambient carbon monoxide and non-accidental, cardiovascular, and respiratory mortality in China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:35707-35722. [PMID: 35257337 DOI: 10.1007/s11356-022-19464-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 02/23/2022] [Indexed: 06/14/2023]
Abstract
Although a growing number of original epidemiological studies imply a link between ambient pollution exposure and mortality risk, the findings associated with carbon monoxide (CO) exposure are inconsistent. Thus, we conducted a systematic review and meta-analysis of epidemiological studies to evaluate the correlations between ambient CO and non-accidental, cardiovascular, and respiratory mortality in China. Eight databases were searched from inception to 15 May 2021. A random-effect model was used to calculate the pooled relative risks (RRs) and 95% confidence intervals (CIs). Subgroup analyses as well as sensitivity analyses were performed. The I square value (I2) was used to assess heterogeneity among different studies. The assessment of publication bias on included studies was examined by funnel plot and Egger's test. The influence of a potential publication bias on findings was explored by using the trim-and-fill procedure. Ultimately, a total of 19 studies were included in our analysis. The pooled relative risk for each 1 mg/m3 increase of ambient carbon monoxide was 1.0220 (95%CI: 1.0102-1.0339) for non-accidental mortality, 1.0304 (95%CI:1.0154-1.0457) for cardiovascular mortality, and 1.0318 (95%CI:1.0132-1.0506) for respiratory mortality. None of subgroup analyses could explain the source of heterogeneity. Exclusion of any single study did not materially alter the pooled effect estimates. Although it was suggestive of publication bias, findings were generally similar with principal findings when we explored the influence of a potential publication bias using the trim-and-fill method. Our meta-analysis demonstrated that exposure to ambient CO was positive with risk of deaths from all non-accidental causes, total cardiovascular, and respiratory diseases. Based on these findings, tougher intervention policies and initiatives to reduce the health effects of CO exposure should be established.
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Affiliation(s)
- Xianwei Guo
- Department of Epidemiology and Health Statistics, School of Public Health, Anhui Medical University, No. 81 Meishan Road, Hefei, 230032, Anhui, People's Republic of China
| | - Qiuxia Song
- Department of Epidemiology and Health Statistics, School of Public Health, Anhui Medical University, No. 81 Meishan Road, Hefei, 230032, Anhui, People's Republic of China
| | - Hao Wang
- Department of Epidemiology and Health Statistics, School of Public Health, Anhui Medical University, No. 81 Meishan Road, Hefei, 230032, Anhui, People's Republic of China
| | - Ning Li
- Department of Epidemiology and Health Statistics, School of Public Health, Anhui Medical University, No. 81 Meishan Road, Hefei, 230032, Anhui, People's Republic of China
| | - Wanying Su
- Department of Epidemiology and Health Statistics, School of Public Health, Anhui Medical University, No. 81 Meishan Road, Hefei, 230032, Anhui, People's Republic of China
| | - Mingming Liang
- Department of Epidemiology and Health Statistics, School of Public Health, Anhui Medical University, No. 81 Meishan Road, Hefei, 230032, Anhui, People's Republic of China
| | - Chenyu Sun
- Internal Medicine, AMITA Health Saint Joseph Hospital Chicago, 2900 N. Lake Shore Drive, Chicago, IL, 60657, USA
| | - Xiuxiu Ding
- Department of Epidemiology and Health Statistics, School of Public Health, Anhui Medical University, No. 81 Meishan Road, Hefei, 230032, Anhui, People's Republic of China
| | - Qiwei Liang
- Department of Epidemiology and Health Statistics, School of Public Health, Anhui Medical University, No. 81 Meishan Road, Hefei, 230032, Anhui, People's Republic of China
| | - Yehuan Sun
- Department of Epidemiology and Health Statistics, School of Public Health, Anhui Medical University, No. 81 Meishan Road, Hefei, 230032, Anhui, People's Republic of China.
- Centre for Evidence-Based Practice, Anhui Medical University, Hefei, 230032, Anhui, People's Republic of China.
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Liu K, Cui Y, Li H, Qi C, Cheng G, Gao X, Zhang Z, Liu Y, Liu J. Hydrogen-Rich Medium Regulates Cr(VI)-Induced ER Stress and Autophagy Signaling in DF-1 Cells. Biol Trace Elem Res 2022; 200:2329-2337. [PMID: 34327609 DOI: 10.1007/s12011-021-02850-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Accepted: 07/21/2021] [Indexed: 10/20/2022]
Abstract
Related studies have shown that chromium (Cr) is toxic to cells, and hydrogen can protect cells by regulating endoplasmic reticulum (ER) stress and autophagy. However, there are few reports on the protective effects of hydrogen on heavy metal-induced cell damage. The objective of this study was to investigate the protection of hydrogen-rich medium (HRM) on Cr(VI)-induced ER stress and autophagy in DF-1 cells. Therefore, HRM were pretreated for 30 min before Cr(VI) treatment, and detected the autophagy and ER stress-related indicators to determine the role of HRM. The results showed that HRM could reduce the cell damage caused by Cr(VI), and 3-methyladenine (3-MA) could protect cells by inhibiting over autophagy. HRM can reverse the changes of ER stress- and autophagy-related indexes caused by Cr(VI), and inhibit the excessive autophagy caused by Cr(VI). In conclusion, HRM can protect cells from damage induced by Cr(VI), and play a role by inhibiting ER stress-mediated autophagy.
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Affiliation(s)
- Kangping Liu
- College of Veterinary Medicine, Shandong Agricultural University, Tai'an, 271018, Shandong, China
| | - Yukun Cui
- Research Center for Animal Disease Control Engineering, Shandong Agricultural University, Tai'an, 271018, Shandong, China
| | - Hongyan Li
- Central Hospital of Tai'an City, Tai'an, 271018, Shandong, China
| | - Changxi Qi
- Research Center for Animal Disease Control Engineering, Shandong Agricultural University, Tai'an, 271018, Shandong, China
| | - Guodong Cheng
- College of Veterinary Medicine, Shandong Agricultural University, Tai'an, 271018, Shandong, China
| | - Xin Gao
- College of Veterinary Medicine, Shandong Agricultural University, Tai'an, 271018, Shandong, China
| | - Zhuanglong Zhang
- College of Veterinary Medicine, Shandong Agricultural University, Tai'an, 271018, Shandong, China
| | - Yongxia Liu
- Research Center for Animal Disease Control Engineering, Shandong Agricultural University, Tai'an, 271018, Shandong, China.
| | - Jianzhu Liu
- College of Veterinary Medicine, Shandong Agricultural University, Tai'an, 271018, Shandong, China.
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Ning K, Zhou YY, Zhang N, Sun XJ, Liu WW, Han CH. Neurocognitive sequelae after carbon monoxide poisoning and hyperbaric oxygen therapy. Med Gas Res 2021; 10:30-36. [PMID: 32189667 PMCID: PMC7871936 DOI: 10.4103/2045-9912.279981] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Carbon monoxide (CO) has been the leading cause of poisoning mortality in many countries and hyperbaric oxygen (HBO) is a widely accepted treatment for CO poisoning. However, some patients with CO poisoning will still develop neurocognitive sequelae regardless of HBO therapy, which can persist since CO poisoning or be present days to weeks after a recovery from CO poisoning. HBO has been used in the prevention and treatment of neurocognitive sequelae after CO poisoning, and some mechanisms are also proposed for the potential neuroprotective effects of HBO on the neurocognitive impairment after CO poisoning, but there is still controversy on the effectiveness of HBO on neurocognitive sequelae after CO poisoning. In this paper, we briefly introduce the neurocognitive sequelae after CO poisoning, summarize the potential predictive factors of neurocognitive sequelae, and discuss the use of HBO in the treatment and prevention of neurocognitive sequelae after CO poisoning.
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Affiliation(s)
- Ke Ning
- Department of Navy Aviation Medicine, Faculty of Naval Medicine, Naval Medical University, Shanghai, China
| | - Yan-Yan Zhou
- Department of Orthopedic Surgery, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Ning Zhang
- Department of Navy Aviation Medicine, Faculty of Naval Medicine, Naval Medical University, Shanghai, China
| | - Xue-Jun Sun
- Department of Navy Aviation Medicine, Faculty of Naval Medicine, Naval Medical University, Shanghai, China
| | - Wen-Wu Liu
- Department of Diving and Hyperbaric Medicine, Naval Medical University, Shanghai, China
| | - Cui-Hong Han
- Department of Pathology, the Affiliated No 1 People's Hospital of Jining City, Jining Medical University, Jining, Shandong Province, China
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Slezak J, Kura B, LeBaron TW, Singal PK, Buday J, Barancik M. Oxidative Stress and Pathways of Molecular Hydrogen Effects in Medicine. Curr Pharm Des 2021; 27:610-625. [PMID: 32954996 DOI: 10.2174/1381612826666200821114016] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Accepted: 07/02/2020] [Indexed: 11/22/2022]
Abstract
There are many situations of excessive production of reactive oxygen species (ROS) such as radiation, ischemia/reperfusion (I/R), and inflammation. ROS contribute to and arises from numerous cellular pathologies, diseases, and aging. ROS can cause direct deleterious effects by damaging proteins, lipids, and nucleic acids as well as exert detrimental effects on several cell signaling pathways. However, ROS are important in many cellular functions. The injurious effect of excessive ROS can hypothetically be mitigated by exogenous antioxidants, but clinically this intervention is often not favorable. In contrast, molecular hydrogen provides a variety of advantages for mitigating oxidative stress due to its unique physical and chemical properties. H2 may be superior to conventional antioxidants, since it can selectively reduce ●OH radicals while preserving important ROS that are otherwise used for normal cellular signaling. Additionally, H2 exerts many biological effects, including antioxidation, anti-inflammation, anti-apoptosis, and anti-shock. H2 accomplishes these effects by indirectly regulating signal transduction and gene expression, each of which involves multiple signaling pathways and crosstalk. The Keap1-Nrf2-ARE signaling pathway, which can be activated by H2, plays a critical role in regulating cellular redox balance, metabolism, and inducing adaptive responses against cellular stress. H2 also influences the crosstalk among the regulatory mechanisms of autophagy and apoptosis, which involve MAPKs, p53, Nrf2, NF-κB, p38 MAPK, mTOR, etc. The pleiotropic effects of molecular hydrogen on various proteins, molecules and signaling pathways can at least partly explain its almost universal pluripotent therapeutic potential.
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Affiliation(s)
- Jan Slezak
- Centre of Experimental Medicine, Institute for Heart Research, Slovak Academy of Sciences, 841 04 Bratislava, Slovakia
| | - Branislav Kura
- Centre of Experimental Medicine, Institute for Heart Research, Slovak Academy of Sciences, 841 04 Bratislava, Slovakia
| | - Tyler W LeBaron
- Centre of Experimental Medicine, Institute for Heart Research, Slovak Academy of Sciences, 841 04 Bratislava, Slovakia
| | - Pawan K Singal
- Institute of Cardiovascular Sciences, St. Boniface Hospital Research Centre, University of Manitoba, Winnipeg, MB R2H 2A6, Canada
| | - Jozef Buday
- Department of Psychiatry, First Faculty of Medicine, Charles University in Prague and General University Hospital in Prague, 121 08 Prague 2, Czech Republic
| | - Miroslav Barancik
- Centre of Experimental Medicine, Institute for Heart Research, Slovak Academy of Sciences, 841 04 Bratislava, Slovakia
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Wang Y, Li J, Wang L, Lin Y, Zhou M, Yin P, Yao S. The impact of carbon monoxide on years of life lost and modified effect by individual- and city-level characteristics: Evidence from a nationwide time-series study in China. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 210:111884. [PMID: 33421716 DOI: 10.1016/j.ecoenv.2020.111884] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 12/22/2020] [Accepted: 12/28/2020] [Indexed: 06/12/2023]
Abstract
Ambient carbon monoxide (CO) has been linked with mortality and morbidity. Little evidence is available regarding the relation between CO and years of life lost (YLL). Using data from 48 major cities in China from 2013 to 2017, we applied generalized additive models and random effects meta-analyses to explore the effects of CO on YLL from various diseases. Stratified analyses and meta-regression were performed to estimate potential effect modifications of demographic factors, regions, meteorological factors, co-pollutants, urbanization rate, economic level and health service level. Additional life gains due to avoidable YLL under certain scenario were also evaluated. Results indicated that a 1-mg/m³ increase of CO concentrations (lagged over 0-3 d), was associated with 2.08% (95% confidence interval [CI], 1.35%, 2.80%), 2.35% (95% CI: 1.39%, 3.30%), 1.47% (95% CI: -0.01%, 2.93%), 2.28% (95% CI: 1.09%, 3.47%), 2.42% (95% CI: 1.31%, 3.54%), 2.09% (95% CI: 0.47%, 3.72%) increments in daily YLL from non-accidental causes, cardiovascular diseases, respiratory diseases, coronary heart disease, stroke and chronic obstructive pulmonary disease, respectively. These associations were robust to the adjustment of co-pollutants and varied substantially by geography and demographic characteristics. Associations were stronger in the elder people (≥65 years), females, population with low education attainment, and lived in south region, than younger people, males, high educated populations and those lived in north region. Moreover, the harmful impact of increasing CO concentration could be attenuated by city-level characteristics, including the growth of urbanization rate, gross domestic product (GDP), GDP per capita, number of hospital beds, doctors and hospitals. Finally, an estimated life of 0.081 (95% CI: -0.027, 0.190) years would be gained per deceased people if CO concentration could fall to 1 mg/m3. In conclusions, this nationwide analysis showed significant associations between short-term CO exposure and cause-specific YLL. The heterogeneity of both individual- and city-level characteristics should be considered for relevant intervention. These findings may have significant public health implications for the reduction of CO-attributed disease burden in China.
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Affiliation(s)
- Yu Wang
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Jie Li
- National Center for Chronic and Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - Lijun Wang
- National Center for Chronic and Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - Yun Lin
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Maigeng Zhou
- National Center for Chronic and Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - Peng Yin
- National Center for Chronic and Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100050, China.
| | - Shanglong Yao
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.
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Del Moral-Barbudo B, Blancas R, Ballesteros-Ortega D, Quintana-Díaz M, Martínez-González Ó. Current and research therapies for the prevention and treatment of delayed neurological syndrome associated with carbon monoxide poisoning: A narrative review. Hum Exp Toxicol 2020; 39:765-772. [PMID: 31965860 DOI: 10.1177/0960327120901572] [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] [Indexed: 12/19/2022]
Abstract
Severe carbon monoxide (CO) poisoning causes fulminant deaths in common environment as well as neurological sequelae to survivors. Prevention of delayed neurological syndrome (DNS) after exposure to CO, the most important sequela, is based up to date on hyperbaric oxygen administration. Nevertheless, its use remains controversial due to the lack of evidence regarding its efficacy. The aim of this review is to report therapies under investigation for preventing or improving DNS, some of them with promising results in humans.
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Affiliation(s)
| | - R Blancas
- Alfonso X El Sabio University, Villanueva de la Cañada, Spain.,Critical Care Department, Del Tajo University Hospital, Aranjuez, Spain
| | - D Ballesteros-Ortega
- Alfonso X El Sabio University, Villanueva de la Cañada, Spain.,Critical Care Department, Puerta de Hierro University Hospital, Boadilla del Monte, Spain
| | - M Quintana-Díaz
- Alfonso X El Sabio University, Villanueva de la Cañada, Spain.,Critical Care Department, La Paz University Hospital, Madrid, Spain
| | - Ó Martínez-González
- Alfonso X El Sabio University, Villanueva de la Cañada, Spain.,Critical Care Department, Del Tajo University Hospital, Aranjuez, Spain
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Du JJ, Liu ZQ, Yan Y, Xiong J, Jia XT, Di ZL, Ren JJ. The Cannabinoid WIN 55,212-2 Reduces Delayed Neurologic Sequelae After Carbon Monoxide Poisoning by Promoting Microglial M2 Polarization Through ST2 Signaling. J Mol Neurosci 2019; 70:422-432. [PMID: 31732924 DOI: 10.1007/s12031-019-01429-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Accepted: 11/03/2019] [Indexed: 12/27/2022]
Abstract
Delayed neurologic sequelae (DNS) are among the most serious complications of carbon monoxide (CO) poisoning caused partly by elevated neuroinflammation. WIN 55,212-2, a non-selective agonist of cannabinoid receptors, has been demonstrated to have anti-inflammatory properties in various brain disorders. The anti-inflammatory action of WIN 55,212-2 is potentially associated with driving microglial M2 polarization. ST2 signaling is important in regulating inflammatory responses and microglial polarization. Therefore, we aimed to investigate the neuroprotective effect of WIN 55,212-2 on DNS after CO poisoning and elucidate its relationship with ST2-mediated microglial M2 polarization. The behavioral tests showed that treatment with WIN 55,212-2 significantly ameliorates the cognitive impairment induced by CO poisoning. This behavioral improvement was accompanied by reduced neuron loss, decreased production of pro-inflammatory cytokines, and a limited number of microglia in the hippocampus. Moreover, WIN 55,212-2 elevated the protein expression of IL-33 (the ligand of ST2) and ST2, increased the ratio of CD206-positive (M2 phenotype) and ST2-positive microglia, and augmented production of M2 microglia-associated cytokines in the hippocampus of CO-exposed rats. Furthermore, we observed that the WIN 55,212-2-mediated increases in ST2 protein expression, CD206-positive and ST2-positive microglia, and microglia-associated cytokines were blocked by the cannabinoid receptor 2 (CB2R) antagonist AM630 but not by the cannabinoid receptor 1 (CB1R) antagonist AM251. In contrast, the WIN 55,212-2-induced upregulation of the IL-33 protein expression was inhibited by AM251 but not by AM630. Altogether, these findings reveal cannabinoid receptors as promising therapeutic agents for CO poisoning and identify ST2 signaling-related microglial M2 polarization as a new mechanism of cannabinoid-induced neuroprotection.
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Affiliation(s)
- Jing-Jing Du
- Department of Neurology, Xi'an Central Hospital, Xi'an Jiaotong University, Xi'an, 710054, China
| | - Zhi-Qin Liu
- Department of Neurology, Xi'an Central Hospital, Xi'an Jiaotong University, Xi'an, 710054, China
| | - Yue Yan
- Department of Neurology, Xi'an Central Hospital, Xi'an Jiaotong University, Xi'an, 710054, China
| | - Jing Xiong
- Department of Neurology, Xi'an Central Hospital, Xi'an Jiaotong University, Xi'an, 710054, China
| | - Xiao-Tao Jia
- Department of Neurology, Xi'an Central Hospital, Xi'an Jiaotong University, Xi'an, 710054, China
| | - Zheng-Li Di
- Department of Neurology, Xi'an Central Hospital, Xi'an Jiaotong University, Xi'an, 710054, China
| | - Jing-Jing Ren
- Department of Hematology, Xi'an Central Hospital, Xi'an Jiaotong University, Xi'an, 710054, China.
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12
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Shen M, Zheng Y, Zhu K, Cai Z, Liu W, Sun X, Liu J, Zhu D. Hydrogen gas protects against delayed encephalopathy after acute carbon monoxide poisoning in a rat model. Neurol Res 2019; 42:22-30. [PMID: 31679470 DOI: 10.1080/01616412.2019.1685064] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Objective: The protective effects of 2%-4% hydrogen gas in delayed encephalopathy after acute carbon monoxide poisoning (DEACMP) have been previously reported. This study aimed to assess the neuroprotective effects of high concentration hydrogen (HCH) on DEACMP.Methods: A total of 36 male Sprague-Dawley rats were divided into 3 groups. In the DEACMP group, rats were exposed to CO to induce CO poisoning; in the HCH group, the animals were exposed to 67% H2 and 33% O2 at 3,000 mL/min for 90 min immediately after CO poisoning. Neurological function was evaluated at 1 and 9 days after poisoning. Then, the contents of malondialdehyde, 3-nitrotyrosine and 8-hydroxy-2-deoxyguanosine, as well as superoxide dismutase activity in the serum, cortex and hippocampus were detected by ELISA. Additionally, the mRNA and protein expression levels of Nrf2 and downstream genes were detected by RT-PCR and Western blotting, respectively.Results: Our results showed that CO poisoning significantly impaired neurological function which was improved over time, and HCH markedly attenuated neurological impairment following CO poisoning. In addition, CO poisoning resulted in increased levels of malondialdehyde, 3-nitrotyrosine and 8-hydroxy-2-deoxyguanosine and markedly reduced superoxide dismutase activity at 1 and 9 days, which were significantly inhibited by HCH at 9 days. Finally, CO poisoning increased the mRNA and protein levels of Nrf2 and downstream genes, and HCH further induced the anti-oxidative capability.Conclusion: These findings indicate the neuroprotective effects of HCH on DEACMP, which are related to the activation of Nrf2 signaling pathway.
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Affiliation(s)
- Meihua Shen
- Center for Mitochondrial Biology and Medicine, Key Laboratory of Biomedical Information Engineering of Ministry of Education, Xi'an Jiaotong University School of Life Science and Technology, Xi'an, China.,Department of Critical Care Unit, Shanghai Provincial Corps Hospital, Chinese People's Armed Police Forces, Shanghai, PR China
| | - Yijun Zheng
- Department of Critical Care Unit, Zhongshan Hospital, Fudan University, Shanghai, PR China
| | - Kaimin Zhu
- Department of Critical Care Unit, Shanghai Provincial Corps Hospital, Chinese People's Armed Police Forces, Shanghai, PR China
| | - Zhonghai Cai
- Department of Critical Care Unit, Shanghai Provincial Corps Hospital, Chinese People's Armed Police Forces, Shanghai, PR China
| | - Wenwu Liu
- Department of Naval Aeromedicine, Faculty of Naval Medicine, Naval Medical University, Shanghai, PR China
| | - Xuejun Sun
- Department of Naval Aeromedicine, Faculty of Naval Medicine, Naval Medical University, Shanghai, PR China
| | - Jiankang Liu
- Center for Mitochondrial Biology and Medicine, Key Laboratory of Biomedical Information Engineering of Ministry of Education, Xi'an Jiaotong University School of Life Science and Technology, Xi'an, China
| | - Duming Zhu
- Department of Critical Care Unit, Zhongshan Hospital, Fudan University, Shanghai, PR China
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13
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Jia R, Jia N, Yang F, Liu Z, Li R, Jiang Y, Zhao J, Wang L, Zhang S, Zhang Z, Zhang H, Wu S, Gao F, Jiang W. Hydrogen Alleviates Necroptosis and Cognitive Deficits in Lithium-Pilocarpine Model of Status Epilepticus. Cell Mol Neurobiol 2019; 39:857-869. [PMID: 31089833 DOI: 10.1007/s10571-019-00685-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2019] [Accepted: 05/07/2019] [Indexed: 12/12/2022]
Abstract
Status epilepticus without prompt seizure control always leads to neuronal death and long-term cognitive deficits, but effective intervention is still absent. Here, we found that hydrogen could alleviate the hippocampus-dependent spatial learning and memory deficit in lithium-pilocarpine model of status epilepticus in rats, as evidenced by the results in Morris water maze test. Hydrogen treatment downregulated the expression of necroptosis-related proteins, such as MLKL, phosphorylated-MLKL, and RIPK3 in hippocampus, and further protected neurons and astrocytes from necroptosis which was here first verified to occur in status epilepticus. Hydrogen also protected cells from apoptosis, which was indicated by the decreased cleaved-Caspase 3 expression. Meanwhile, Iba1+ microglial activation by status epilepticus was reduced by hydrogen treatment. These findings confirm the utility of hydrogen treatment in averting cell death including necroptosis and alleviating cognitive deficits caused by status epilepticus. Therefore, hydrogen may provide a potential and powerful clinical treatment for status epilepticus-related cognitive deficits.
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Affiliation(s)
- Ruihua Jia
- Department of Neurology, Xijing Hospital, Fourth Military Medical University, 127 Chang Le Xi Road, Xi'an, 710032, Shaanxi, China
- Department of Neurobiology and Institute of Neurosciences, School of Basic Medicine, Fourth Military Medical University, 169 Chang Le Xi Road, Xi'an, 710032, Shaanxi, China
| | - Ning Jia
- Department of Neurobiology and Institute of Neurosciences, School of Basic Medicine, Fourth Military Medical University, 169 Chang Le Xi Road, Xi'an, 710032, Shaanxi, China
- The Medical College of Yan'an University, 19 Guanghua Street, Yan'an, 716000, Shaanxi, China
| | - Fang Yang
- Department of Neurology, Xijing Hospital, Fourth Military Medical University, 127 Chang Le Xi Road, Xi'an, 710032, Shaanxi, China
| | - Zihe Liu
- Department of Neurobiology and Institute of Neurosciences, School of Basic Medicine, Fourth Military Medical University, 169 Chang Le Xi Road, Xi'an, 710032, Shaanxi, China
| | - Rui Li
- Department of Neurobiology and Institute of Neurosciences, School of Basic Medicine, Fourth Military Medical University, 169 Chang Le Xi Road, Xi'an, 710032, Shaanxi, China
| | - Yongli Jiang
- Department of Neurology, Xijing Hospital, Fourth Military Medical University, 127 Chang Le Xi Road, Xi'an, 710032, Shaanxi, China
| | - Jingjing Zhao
- Department of Neurology, Xijing Hospital, Fourth Military Medical University, 127 Chang Le Xi Road, Xi'an, 710032, Shaanxi, China
| | - Lu Wang
- The Medical College of Yan'an University, 19 Guanghua Street, Yan'an, 716000, Shaanxi, China
| | - Shuo Zhang
- Department of Diagnostic Radiology, First Affiliated Hospital of Xi'an Jiaotong University, 277 West Yanta Road, Xi'an, 710061, Shaanxi, China
| | - Zhengping Zhang
- Hong Hui Hospital, Xi'an Jiaotong University College of Medicine, 555 Youyi Road, Xi'an, 710054, Shaanxi, China
| | - Haifeng Zhang
- Department of Neurobiology and Institute of Neurosciences, School of Basic Medicine, Fourth Military Medical University, 169 Chang Le Xi Road, Xi'an, 710032, Shaanxi, China
| | - Shengxi Wu
- Department of Neurobiology and Institute of Neurosciences, School of Basic Medicine, Fourth Military Medical University, 169 Chang Le Xi Road, Xi'an, 710032, Shaanxi, China
| | - Fang Gao
- Department of Neurobiology and Institute of Neurosciences, School of Basic Medicine, Fourth Military Medical University, 169 Chang Le Xi Road, Xi'an, 710032, Shaanxi, China.
| | - Wen Jiang
- Department of Neurology, Xijing Hospital, Fourth Military Medical University, 127 Chang Le Xi Road, Xi'an, 710032, Shaanxi, China.
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Abstract
Hydrogen is the most abundant chemical element in the universe, and has been used as an inert gas for a long time. More recent studies have shown that molecular hydrogen as a kind of antioxidant, anti-inflammatory, anti-apoptosis, gene expression and signal modulation molecule, can be used for the treatment of many diseases. This review mainly focuses on the research progresses of hydrogen in various medical fields and the possible action mechanisms.
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Affiliation(s)
- Hong-Mei Li
- Department of Cardiothoracic Surgery, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Li Shen
- Department of Cardiothoracic Surgery, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Jun-Wen Ge
- Department of Cardiothoracic Surgery, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Ru-Fang Zhang
- Department of Cardiothoracic Surgery, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai, China
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Liu C, Yin P, Chen R, Meng X, Wang L, Niu Y, Lin Z, Liu Y, Liu J, Qi J, You J, Kan H, Zhou M. Ambient carbon monoxide and cardiovascular mortality: a nationwide time-series analysis in 272 cities in China. Lancet Planet Health 2018; 2:e12-e18. [PMID: 29615203 DOI: 10.1016/s2542-5196(17)30181-x] [Citation(s) in RCA: 76] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2017] [Revised: 10/14/2017] [Accepted: 11/28/2017] [Indexed: 05/24/2023]
Abstract
BACKGROUND Evidence of the acute health effects of ambient carbon monoxide air pollution in developing countries is scarce and mixed. We aimed to evaluate short-term associations between carbon monoxide and daily cardiovascular disease mortality in China. METHODS We did a nationwide time-series analysis in 272 major cities in China from January, 2013, to December, 2015. We extracted daily cardiovascular disease mortality data from China's Disease Surveillance Points system. Data on daily carbon monoxide concentrations for each city were obtained from the National Urban Air Quality Real-time Publishing Platform. City-specific associations between carbon monoxide concentrations and daily mortality from cardiovascular disease, coronary heart disease, and stroke were estimated with over-dispersed generalised linear models. Bayesian hierarchical models were used to obtain national and regional average associations. Exposure-response association curves and potential effect modifiers were evaluated. Two-pollutant models were fit to evaluate the robustness of the effects of carbon monoxide on cardiovascular mortality. FINDINGS The average annual mean carbon monoxide concentration in these cities from 2013 to 2015 was 1·20 mg/m3, ranging from 0·43 mg/m3 to 2·45 mg/m3. For a 1 mg/m3 increase in average carbon monoxide concentrations on the present day and previous day (lag 0-1), we observed significant increments in mortality of 1·12% (95% posterior interval [PI] 0·42-1·83) from cardiovascular disease, 1·75% (0·85-2·66) from coronary heart disease, and 0·88% (0·07-1·69) from stroke. These associations did not vary substantially by city, region, and demographic characteristics (age, sex, and level of education), and the associations for cardiovascular disease and coronary heart disease were robust to the adjustment of criteria co-pollutants. We did not find a threshold below which carbon monoxide exposure had no effect on cardiovascular disease mortality. INTERPRETATION This analysis is, to our knowledge, the largest study done in a developing country, and provides robust evidence of the association between short-term exposure to ambient carbon monoxide and increased cardiovascular disease mortality, especially coronary heart disease mortality. FUNDING Public Welfare Research Program.
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Affiliation(s)
- Cong Liu
- School of Public Health, Key Lab of Public Health Safety of the Ministry of Education and Key Lab of Health Technology Assessment of the Ministry of Health, Fudan University, Shanghai, China
| | - Peng Yin
- National Center for Chronic Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Renjie Chen
- School of Public Health, Key Lab of Public Health Safety of the Ministry of Education and Key Lab of Health Technology Assessment of the Ministry of Health, Fudan University, Shanghai, China; Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP3), Fudan University, Shanghai, China
| | - Xia Meng
- Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Lijun Wang
- National Center for Chronic Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Yue Niu
- School of Public Health, Key Lab of Public Health Safety of the Ministry of Education and Key Lab of Health Technology Assessment of the Ministry of Health, Fudan University, Shanghai, China
| | - Zhijing Lin
- School of Public Health, Key Lab of Public Health Safety of the Ministry of Education and Key Lab of Health Technology Assessment of the Ministry of Health, Fudan University, Shanghai, China
| | - Yunning Liu
- National Center for Chronic Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Jiangmei Liu
- National Center for Chronic Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Jinlei Qi
- National Center for Chronic Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Jinling You
- National Center for Chronic Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Haidong Kan
- School of Public Health, Key Lab of Public Health Safety of the Ministry of Education and Key Lab of Health Technology Assessment of the Ministry of Health, Fudan University, Shanghai, China; Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP3), Fudan University, Shanghai, China.
| | - Maigeng Zhou
- National Center for Chronic Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China.
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16
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Zhang Y, Long Z, Xu J, Tan S, Zhang N, Li A, Wang L, Wang T. Hydrogen inhibits isoproterenol‑induced autophagy in cardiomyocytes in vitro and in vivo. Mol Med Rep 2017; 16:8253-8258. [PMID: 28944928 DOI: 10.3892/mmr.2017.7601] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2016] [Accepted: 06/06/2017] [Indexed: 11/06/2022] Open
Abstract
A previous study from our group has demonstrated that hydrogen administration can attenuate cardiovascular hypertrophy in vivo by targeting reactive oxygen species‑dependent mitogen‑activated protein kinase signaling. The aim of the present study is to determine the effect of hydrogen on cardiomyocyte autophagy during β‑adrenoceptor activation in vivo and in vitro. We prepared hydrogen‑rich medium, and the concentration of hydrogen was measured by using the MB‑Pt reagent method. For the in vitro study, H9c2 cardiomyocytes were stimulated with isoproterenol (ISO; 10 µM) for 5, 15 and 30 min, and then the protein expression levels of the autophagy marker microtubule‑associated protein 1 light chain 3β II (LC3B II) were examined by western blotting. The effect of hydrogen‑rich medium was then tested by pretreating the H9c2 cardiomyocytes with hydrogen‑rich medium for 30 min, then stimulating with ISO, and examining the protein expression levels of the autophagy marker LC3B II. For the in vivo study, mice received hydrogen (1 ml/100 g/day, by intraperitoneal injection) for 7 days prior to ISO administration (0.5 mg/100 g/day, by subcutaneous injection), and subsequently received hydrogen with or without ISO for another 7 days. Hypertrophic responses were examined by heart weight (HW) and heart weight/body weight (HW/BW) measurements. The protein expression of autophagy markers Beclin1, autophagy‑related protein 7 (Atg7) and LC3B II were examined. The results demonstrated that excessive autophagy occurred following 5 min of ISO stimulation in vitro. This enhanced autophagy was blocked by pretreatment with hydrogen‑rich medium. Furthermore, hydrogen improved the deteriorated hypertrophic responses and inhibited the enhanced autophagic activity mediated by ISO administration in vivo, as indicated by decreasing HW and HW/BW, and suppressing the protein expression levels of Beclin1, Atg7 and LC3B II. Therefore, the results of the present study demonstrated that hydrogen inhibited ISO‑induced excessive autophagy in cardiomyocyte hypertrophy models in vitro and in vivo.
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Affiliation(s)
- Yaxing Zhang
- Department of Physiology, Zhongshan School of Medicine, Sun Yat‑sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Zhiyuan Long
- Department of Physiology, Zhongshan School of Medicine, Sun Yat‑sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Jingting Xu
- Department of Biomedical Engineering, Xinhua College, Sun Yat‑sen University, Guangzhou, Guangdong 510520, P.R. China
| | - Sihua Tan
- Department of Physiology, Zhongshan School of Medicine, Sun Yat‑sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Nan Zhang
- Department of Physiology, Zhongshan School of Medicine, Sun Yat‑sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Anfei Li
- Department of Pathophysiology, Zhongshan School of Medicine, Sun Yat‑sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Ling Wang
- Department of Physiology, Zhongshan School of Medicine, Sun Yat‑sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Tinghuai Wang
- Department of Physiology, Zhongshan School of Medicine, Sun Yat‑sen University, Guangzhou, Guangdong 510080, P.R. China
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Ichihara M, Sobue S, Ito M, Ito M, Hirayama M, Ohno K. Beneficial biological effects and the underlying mechanisms of molecular hydrogen - comprehensive review of 321 original articles. Med Gas Res 2015; 5:12. [PMID: 26483953 PMCID: PMC4610055 DOI: 10.1186/s13618-015-0035-1] [Citation(s) in RCA: 165] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2015] [Accepted: 10/09/2015] [Indexed: 02/08/2023] Open
Abstract
Therapeutic effects of molecular hydrogen for a wide range of disease models and human diseases have been investigated since 2007. A total of 321 original articles have been published from 2007 to June 2015. Most studies have been conducted in Japan, China, and the USA. About three-quarters of the articles show the effects in mice and rats. The number of clinical trials is increasing every year. In most diseases, the effect of hydrogen has been reported with hydrogen water or hydrogen gas, which was followed by confirmation of the effect with hydrogen-rich saline. Hydrogen water is mostly given ad libitum. Hydrogen gas of less than 4 % is given by inhalation. The effects have been reported in essentially all organs covering 31 disease categories that can be subdivided into 166 disease models, human diseases, treatment-associated pathologies, and pathophysiological conditions of plants with a predominance of oxidative stress-mediated diseases and inflammatory diseases. Specific extinctions of hydroxyl radical and peroxynitrite were initially presented, but the radical-scavenging effect of hydrogen cannot be held solely accountable for its drastic effects. We and others have shown that the effects can be mediated by modulating activities and expressions of various molecules such as Lyn, ERK, p38, JNK, ASK1, Akt, GTP-Rac1, iNOS, Nox1, NF-κB p65, IκBα, STAT3, NFATc1, c-Fos, and ghrelin. Master regulator(s) that drive these modifications, however, remain to be elucidated and are currently being extensively investigated.
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Affiliation(s)
- Masatoshi Ichihara
- Department of Biomedical Sciences, College of Life and Health Sciences, Chubu University, 1200 Matsumoto-cho, Kasugai, 487-8501 Japan
| | - Sayaka Sobue
- Department of Biomedical Sciences, College of Life and Health Sciences, Chubu University, 1200 Matsumoto-cho, Kasugai, 487-8501 Japan
| | - Mikako Ito
- Division of Neurogenetics, Center for Neurological Diseases and Cancer, Nagoya University Graduate School of Medicine, 65 Tsurumai, Showa-ku Nagoya, 466-8550 Japan
| | - Masafumi Ito
- Research Team for Mechanism of Aging, Tokyo Metropolitan Institute of Gerontology, 35-2 Sakae-cho, Itabashi, Tokyo, 173-0015 Japan
| | - Masaaki Hirayama
- Department of Pathophysiological Laboratory Sciences, Nagoya University Graduate School of Medicine, 1-1-20 Daiko-Minami, Higashi-ku, Nagoya, 461-8673 Japan
| | - Kinji Ohno
- Division of Neurogenetics, Center for Neurological Diseases and Cancer, Nagoya University Graduate School of Medicine, 65 Tsurumai, Showa-ku Nagoya, 466-8550 Japan
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18
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Protective Effects of Hydrogen-Rich Saline on Rats with Smoke Inhalation Injury. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2015; 2015:106836. [PMID: 26090070 PMCID: PMC4454757 DOI: 10.1155/2015/106836] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/13/2015] [Revised: 04/23/2015] [Accepted: 05/12/2015] [Indexed: 12/13/2022]
Abstract
OBJECTIVE To explore the protective effects of hydrogen-rich saline on rats with smoke inhalation injury. METHODS 36 healthy male Sprague-Dawley rats were randomly divided into 3 groups (n = 12 per group): sham group (S), inhalation injury plus normal saline treatment group (I+NS), and inhalation injury plus hydrogen-rich saline treatment group (I+HS). 30 min after injury, normal saline and hydrogen-rich saline were injected intraperitoneally (5 mL/kg) in I+NS group and I+HS group, respectively. All rats were euthanized and blood and organ specimens were collected for determination 24 h after inhalation injury. RESULTS Tumor necrosis factor-alpha (TNF-α) levels, malondialdehyde (MDA) concentrations, nuclear factor kappa B (NF-κB) p65 expression, and apoptosis index (AI) in I+HS group were significantly decreased (P < 0.05), while superoxide dismutase (SOD) activities were increased compared with those in I+NS group; and a marked improvement in alveolar structure was also found after hydrogen-rich saline treatment. CONCLUSIONS Hydrogen-rich saline treatment exerts protective effects in acute lung injury induced by inhalation injury, at least in part through the activation of anti-inflammatory and antioxidant pathways and inhibition of apoptosis.
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Roderique JD, Josef CS, Feldman MJ, Spiess BD. A modern literature review of carbon monoxide poisoning theories, therapies, and potential targets for therapy advancement. Toxicology 2015; 334:45-58. [PMID: 25997893 DOI: 10.1016/j.tox.2015.05.004] [Citation(s) in RCA: 93] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2015] [Revised: 05/01/2015] [Accepted: 05/12/2015] [Indexed: 01/03/2023]
Abstract
The first descriptions of carbon monoxide (CO) and its toxic nature appeared in the literature over 100 years ago in separate publications by Drs. Douglas and Haldane. Both men ascribed the deleterious effects of this newly discovered gas to its strong interaction with hemoglobin. Since then the adverse sequelae of CO poisoning has been almost universally attributed to hypoxic injury secondary to CO occupation of oxygen binding sites on hemoglobin. Despite a mounting body of literature suggesting other mechanisms of injury, this pathophysiology and its associated oxygen centric therapies persists. This review attempts to elucidate the remarkably complex nature of CO as a gasotransmitter. While CO's affinity for hemoglobin remains undisputed, new research suggests that its role in nitric oxide release, reactive oxygen species formation, and its direct action on ion channels is much more significant. In the course of understanding the multifaceted character of this simple molecule it becomes apparent that current oxygen based therapies meant to displace CO from hemoglobin may be insufficient and possibly harmful. Approaching CO as a complex gasotransmitter will help guide understanding of the complex and poorly understood sequelae and illuminate potentials for new treatment modalities.
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Affiliation(s)
- Joseph D Roderique
- Department of Anesthesiology, VCU School of Medicine Sanger Hall, Rm B1-016, 1101 East Marshall Street, P.O. Box 980695, Richmond, VA 23298, United States
| | - Christopher S Josef
- Department of Anesthesiology, VCU School of Medicine Sanger Hall, Rm B1-016, 1101 East Marshall Street, P.O. Box 980695, Richmond, VA 23298, United States.
| | - Michael J Feldman
- Department of Plastic and Reconstructive Surgery, Critical Care Hospital 8th floor, 1213 East Clay St, Richmond, VA 23298, United States
| | - Bruce D Spiess
- Department of Anesthesiology, VCU School of Medicine Sanger Hall, Rm B1-016, 1101 East Marshall Street, P.O. Box 980695, Richmond, VA 23298, United States
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20
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Liu W, Zheng Q, Wang Y, Han X, Yuan L, Zhao M. Transplantation of olfactory ensheathing cells attenuates acute carbon monoxide poisoning-induced brain damages in rats. Neurochem Res 2014; 40:70-80. [PMID: 25370793 DOI: 10.1007/s11064-014-1467-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2014] [Revised: 10/22/2014] [Accepted: 10/27/2014] [Indexed: 02/02/2023]
Abstract
In this study, the therapeutic effect of olfactory ensheathing cells (OEC) transplantation on brain damage was evaluated on acute carbon monoxide (CO) poisoning rat model. Two weeks after primary culture, OECs were microinjected into hippocampus of CO poisoning rats. Survival of OECs in the host was observed and quantified. OECs survived at 2 weeks, but surviving cell number was found sharply decreased at 6 weeks and reduced to less than 10(3) at 8 weeks after transplantation. At 2 weeks after transplantation, motor function test and cerebral edema assay were performed and followed by pathological examination including hematoxylin and eosin and immunohistochemistry staining to observe the neuron injury and synapsin I and growth associated protein-43 (GAP-43) expression. Furthermore, biomarkers of oxidative stress and apoptosis related proteins in the hippocampus were detected. The results showed that CO exposure led to neurological dysfunction and cerebral edema in rats. After OEC transplantation, neurological function was significantly improved and the cerebral edema was alleviated. In addition, the numbers of neurons and Nissl bodies were increased and synapsin I and GAP-43 protein expressions were upregulated in the hippocampus. Compared with CO poisoned rats, superoxide dismutase activity and glutathione content were both increased and methane dicarboxylic aldehyde level was decreased in the hippocampus of OEC transplanted rats. Moreover, OEC transplantation reduced apoptosis induced by CO exposure. The Bcl-2 expression was significantly upregulated and Bax expression was significantly downregulated. The activity of caspase-3 and the cleaved-poly ADP-ribose polymerase expression were decreased. Taken together, our data suggest that OEC attenuates brain damages induced by acute CO poisoning within 2 weeks after transplantation.
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Affiliation(s)
- Wei Liu
- Department of Emergency Medicine, Shengjing Hospital of China Medical University, 36 Sanhao Street, Shenyang, 110004, People's Republic of China
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Hydrogen gas presents a promising therapeutic strategy for sepsis. BIOMED RESEARCH INTERNATIONAL 2014; 2014:807635. [PMID: 24829918 PMCID: PMC4009185 DOI: 10.1155/2014/807635] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/07/2014] [Accepted: 04/01/2014] [Indexed: 01/17/2023]
Abstract
Sepsis is characterized by a severe inflammatory response to infection. It remains a major cause of morbidity and mortality in critically ill patients despite developments in monitoring devices, diagnostic tools, and new therapeutic options. Recently, some studies have found that molecular hydrogen is a new therapeutic gas. Our studies have found that hydrogen gas can improve the survival and organ damage in mice and rats with cecal ligation and puncture, zymosan, and lipopolysaccharide-induced sepsis. The mechanisms are associated with the regulation of oxidative stress, inflammatory response, and apoptosis, which might be through NF- κ B and Nrf2/HO-1 signaling pathway. In this paper, we summarized the progress of hydrogen treatment in sepsis.
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Deng J, Lei C, Chen Y, Fang Z, Yang Q, Zhang H, Cai M, Shi L, Dong H, Xiong L. Neuroprotective gases – Fantasy or reality for clinical use? Prog Neurobiol 2014; 115:210-45. [DOI: 10.1016/j.pneurobio.2014.01.001] [Citation(s) in RCA: 88] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2013] [Revised: 01/03/2014] [Accepted: 01/03/2014] [Indexed: 12/17/2022]
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Watanabe K, Okada K, Fukabori R, Hayashi Y, Asahi K, Terawaki H, Kobayashi K, Watanabe T, Nakayama M. Methylglyoxal (MG) and cerebro-renal interaction: does long-term orally administered MG cause cognitive impairment in normal Sprague-Dawley rats? Toxins (Basel) 2014; 6:254-69. [PMID: 24402234 PMCID: PMC3920260 DOI: 10.3390/toxins6010254] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2013] [Revised: 12/24/2013] [Accepted: 12/31/2013] [Indexed: 11/23/2022] Open
Abstract
Methylglyoxal (MG), one of the uremic toxins, is a highly reactive alpha-dicarbonyl compound. Recent clinical studies have demonstrated the close associations of cognitive impairment (CI) with plasma MG levels and presence of kidney dysfunction. Therefore, the present study aims to examine whether MG is a direct causative substance for CI development. Eight-week-old male Sprague-Dawley (SD) rats were divided into two groups: control (n = 9) and MG group (n = 10; 0.5% MG in drinking water), and fed a normal diet for 12 months. Cognitive function was evaluated by two behavioral tests (object exploration test and radial-arm maze test) in early (4–6 months of age) and late phase (7–12 months of age). Serum MG was significantly elevated in the MG group (495.8 ± 38.1 vs. 244.8 ± 28.2 nM; p < 0.001) at the end of study. The groups did not differ in cognitive function during the course of study. No time-course differences were found in oxidative stress markers between the two groups, while, antioxidants such as glutathione peroxidase and superoxide dismutase activities were significantly increased in the MG group compared to the control. Long-term MG administration to rats with normal kidney function did not cause CI. A counter-balanced activation of the systemic anti-oxidant system may offset the toxicity of MG in this model. Pathogenetic significance of MG for CI requires further investigation.
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Affiliation(s)
- Kimio Watanabe
- Department of Nephrology, Hypertension, Diabetology, Endocrinology and Metabolism, School of Medicine, Fukushima Medical University, 1 Hikarigaoka, Fukushima 960-1295, Japan.
| | - Kana Okada
- Department of Nephrology, Hypertension, Diabetology, Endocrinology and Metabolism, School of Medicine, Fukushima Medical University, 1 Hikarigaoka, Fukushima 960-1295, Japan.
| | - Ryoji Fukabori
- Department of Nephrology, Hypertension, Diabetology, Endocrinology and Metabolism, School of Medicine, Fukushima Medical University, 1 Hikarigaoka, Fukushima 960-1295, Japan.
| | - Yoshimitsu Hayashi
- Department of Nephrology, Hypertension, Diabetology, Endocrinology and Metabolism, School of Medicine, Fukushima Medical University, 1 Hikarigaoka, Fukushima 960-1295, Japan.
| | - Koichi Asahi
- Department of Nephrology, Hypertension, Diabetology, Endocrinology and Metabolism, School of Medicine, Fukushima Medical University, 1 Hikarigaoka, Fukushima 960-1295, Japan.
| | - Hiroyuki Terawaki
- Department of Nephrology, Hypertension, Diabetology, Endocrinology and Metabolism, School of Medicine, Fukushima Medical University, 1 Hikarigaoka, Fukushima 960-1295, Japan.
| | - Kazuto Kobayashi
- Department of Nephrology, Hypertension, Diabetology, Endocrinology and Metabolism, School of Medicine, Fukushima Medical University, 1 Hikarigaoka, Fukushima 960-1295, Japan.
| | - Tsuyoshi Watanabe
- Department of Nephrology, Hypertension, Diabetology, Endocrinology and Metabolism, School of Medicine, Fukushima Medical University, 1 Hikarigaoka, Fukushima 960-1295, Japan.
| | - Masaaki Nakayama
- Department of Nephrology, Hypertension, Diabetology, Endocrinology and Metabolism, School of Medicine, Fukushima Medical University, 1 Hikarigaoka, Fukushima 960-1295, Japan.
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Abstract
The world has experienced some very large shifts in the epidemiology of carbon monoxide poisoning, but it remains one of the most important toxicological global causes of morbidity and mortality. The diagnosis can be quickly confirmed with blood gases (pulse oximeters lack both sensitivity and specificity). Several strong predictors for serious neurological sequelae (prolonged loss of consciousness and elevated S100B) and reduced life expectancy (elevated troponin) are now reasonably well established. Despite this clearly defined high-risk group and extensive research into the pathophysiology, there has been little translation into better treatment. Much of the pathophysiological research has focused on hyperbaric oxygen. Yet it is apparent that clinical trials show little evidence for benefit from hyperbaric oxygen, and the most recent even raises the possibility of harm for repeated courses. More logical and promising potential antidotes have been under-researched, although recently both animal and small human studies suggest that erythropoietin may reduce S100B and prevent neurological sequelae. Major breakthroughs are likely to require further research on this and other treatments that may inhibit post-hypoxic inflammatory responses and apoptosis.
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