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Emre Aydıngöz S, Teimoori A, Orhan HG, Demirtaş E, Zeynalova N. A meta-analysis of animal studies evaluating the effect of hydrogen sulfide on ischemic stroke: is the preclinical evidence sufficient to move forward? NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024:10.1007/s00210-024-03291-5. [PMID: 39017715 DOI: 10.1007/s00210-024-03291-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2024] [Accepted: 07/08/2024] [Indexed: 07/18/2024]
Abstract
Hydrogen sulfide (H2S) is a gasotransmitter that has been studied for its potential therapeutic effects, including its role in the pathophysiology and treatment of stroke. This systematic review and meta-analysis aimed to determine the sufficiency of overall preclinical evidence to guide the initiation of clinical stroke trials with H2S and provide tailored recommendations for their design. PubMed, Web of Science, Scopus, EMBASE, and MEDLINE were searched for studies evaluating the effect of any H2S donor on in vivo animal models of regional ischemic stroke, and 34 publications were identified. Pooling of the effect sizes using the random-effect model revealed that H2S decreased the infarct area by 34.5% (95% confidence interval (CI) 28.2-40.8%, p < 0.0001), with substantial variability among the studies (I2 = 89.8%). H2S also caused a 37.9% reduction in the neurological deficit score (95% CI 29.0-46.8%, p < 0.0001, I2 = 63.8%) and in the brain water content (3.2%, 95% CI 1.4-4.9%, p = 0.0014, I2 = 94.6%). Overall, the studies had a high risk of bias and low quality of evidence (median quality score 5/15, interquartile range 4-9). The majority of the included studies had a "high" or "unclear" risk of bias, and none of the studies overall had a "low" risk. In conclusion, H2S significantly improves structural and functional outcomes in in vivo animal models of ischemic stroke. However, the level of evidence from preclinical studies is not sufficient to proceed to clinical trials due to the low external validity, high risk of bias, and variable design of existing animal studies.
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Affiliation(s)
- Selda Emre Aydıngöz
- Department of Medical Pharmacology, Başkent University Faculty of Medicine, Ankara, Turkey.
| | - Ariyan Teimoori
- Department of Medical Pharmacology, Başkent University Faculty of Medicine, Ankara, Turkey
| | - Halit Güner Orhan
- Department of Medical Pharmacology, Başkent University Faculty of Medicine, Ankara, Turkey
| | - Elif Demirtaş
- Department of Medical Pharmacology, Başkent University Faculty of Medicine, Ankara, Turkey
| | - Nargız Zeynalova
- Department of Medical Pharmacology, Başkent University Faculty of Medicine, Ankara, Turkey
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2
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Kumari S, Dhapola R, Sharma P, Nagar P, Medhi B, HariKrishnaReddy D. The impact of cytokines in neuroinflammation-mediated stroke. Cytokine Growth Factor Rev 2024:S1359-6101(24)00043-1. [PMID: 39004599 DOI: 10.1016/j.cytogfr.2024.06.002] [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: 04/13/2024] [Revised: 06/21/2024] [Accepted: 06/27/2024] [Indexed: 07/16/2024]
Abstract
Cerebral stroke is ranked as the third most common contributor to global mortality and disability. The involvement of inflammatory mechanisms, both peripherally and within the CNS, holds significance in the pathophysiological cascades following the initiation of stroke. After the onset of acute stroke, predominantly ischemic, a subsequent phase of neuroinflammation ensues. It is a dual-effect process that not only exacerbates injury, leading to cell death, but paradoxically, it also serves a shielding role in facilitating recovery. Cytokines serve as pivotal mediators within the inflammatory cascade, actively contributing to the progression of ischemic damage. Stroke is followed by increased expression of pro-inflammatory cytokines including TNF-α, IL-1β, IL-6, etc. leading to the recruitment and stimulation of glial cells and peripheral leukocytes at the site of injury, promoting neuroinflammation. Cytokines can directly induce neuronal injury and death through various mechanisms, including excitotoxicity, oxidative stress, HPA-axis activation, secretion of matrix metalloproteinase and apoptosis. They can also amplify the inflammatory response, leading to further neuronal damage. Therapeutic strategies aimed at modulating cytokine release, immune response and cytokine signalling or activity are being explored as potential interventions to mitigate neuroinflammation and its detrimental effects in stroke. In this review, we have given a concise summary of our current knowledge of the function of various cytokines, brain inflammation and various signalling and molecular pathways including JAK/STAT3, TGF-β/Smad, MAPK, HMGB1/TLR and NF-κB modulated cytokines regulation in stroke. Therapeutic agents such as MCC950, genistein, edaravone, minocycline, etc. targeting various cytokines-associated signalling pathways have shown efficacy in preclinical and clinical trials reducing the pathophysiology of the illness were also addressed in this study.
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Affiliation(s)
- Sneha Kumari
- Advanced Pharmacology and Neuroscience Laboratory, Department of Pharmacology, School of Health Sciences, Central University of Punjab, Bathinda, Punjab 151401, India
| | - Rishika Dhapola
- Advanced Pharmacology and Neuroscience Laboratory, Department of Pharmacology, School of Health Sciences, Central University of Punjab, Bathinda, Punjab 151401, India
| | - Prajjwal Sharma
- Advanced Pharmacology and Neuroscience Laboratory, Department of Pharmacology, School of Health Sciences, Central University of Punjab, Bathinda, Punjab 151401, India
| | - Pushank Nagar
- Advanced Pharmacology and Neuroscience Laboratory, Department of Pharmacology, School of Health Sciences, Central University of Punjab, Bathinda, Punjab 151401, India
| | - Bikash Medhi
- Department of Pharmacology, Post Graduate Institute of Medical Education and Research, Chandigarh 160012, India
| | - Dibbanti HariKrishnaReddy
- Advanced Pharmacology and Neuroscience Laboratory, Department of Pharmacology, School of Health Sciences, Central University of Punjab, Bathinda, Punjab 151401, India.
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Song RX, Zhou TT, Jia SY, Li WG, Wang J, Li BD, Shan YD, Zhang LM, Li XM. Hydrogen sulfide mitigates memory impairments via the restoration of glutamatergic neurons in a mouse model of hemorrhage shock and resuscitation. Exp Neurol 2024; 376:114758. [PMID: 38513970 DOI: 10.1016/j.expneurol.2024.114758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 02/28/2024] [Accepted: 03/18/2024] [Indexed: 03/23/2024]
Abstract
Impaired long-term memory, a complication of traumatic stress including hemorrhage shock and resuscitation (HSR), has been reported to be associated with multiple neurodegenerations. The ventral tegmental area (VTA) participates in both learned appetitive and aversive behaviors. In addition to being prospective targets for the therapy of addiction, depression, and other stress-related diseases, VTA glutamatergic neurons are becoming more widely acknowledged as powerful regulators of reward and aversion. This study revealed that HSR exposure induces memory impairments and decreases the activation in glutamatergic neurons, and decreased β power in the VTA. We also found that optogenetic activation of glutamatergic neurons in the VTA mitigated HSR-induced memory impairments, and restored β power. Moreover, hydrogen sulfide (H2S), a gasotransmitter with pleiotropic roles, has neuroprotective functions at physiological concentrations. In vivo, H2S administration improved HSR-induced memory deficits, elevated c-fos-positive vesicular glutamate transporters (Vglut2) neurons, increased β power, and restored the balance of γ-aminobutyric acid (GABA) and glutamate in the VTA. This work suggests that glutamatergic neuron stimulation via optogenetic assay and exogenous H2S may be useful therapeutic approaches for improving memory deficits following HSR.
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Affiliation(s)
- Rong-Xin Song
- Department of Anesthesiology, Hebei Province Cangzhou Hospital of Integrated Traditional and Western Medicine, Cangzhou No.2 Hospital, Cangzhou, China
| | - Ting-Ting Zhou
- Department of Anesthesia and Trauma Research, Hebei Province Cangzhou Hospital of Integrated Traditional and Western Medicine, Cangzhou No.2 Hospital, Cangzhou, China
| | - Shi-Yan Jia
- Department of Anesthesia and Trauma Research, Hebei Province Cangzhou Hospital of Integrated Traditional and Western Medicine, Cangzhou No.2 Hospital, Cangzhou, China
| | - Wen-Guang Li
- Graduate School, Hebei Medical University, Shijiazhuang, China
| | - Jun Wang
- Department of Orthopedics, Hebei Province Cangzhou Hospital of Integrated Traditional and Western Medicine, Cangzhou No.2 Hospital, Cangzhou, China
| | - Bao-Dong Li
- Department of Neurology, Hebei Province Cangzhou Hospital of Integrated Traditional and Western Medicine, Cangzhou No.2 Hospital, Cangzhou, China
| | - Yu-Dong Shan
- Department of Anesthesia and Trauma Research, Hebei Province Cangzhou Hospital of Integrated Traditional and Western Medicine, Cangzhou No.2 Hospital, Cangzhou, China
| | - Li-Min Zhang
- Department of Anesthesiology, Hebei Province Cangzhou Hospital of Integrated Traditional and Western Medicine, Cangzhou No.2 Hospital, Cangzhou, China.
| | - Xiao-Ming Li
- Department of Orthopedics, Hebei Province Cangzhou Hospital of Integrated Traditional and Western Medicine, Cangzhou No.2 Hospital, Cangzhou, China; Hebei Key Laboratory of Integrated Traditional and Western Medicine in Osteoarthrosis Resrearch, Cangzhou, China.
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Wu X, Zhang T, Jia J, Chen Y, Zhang Y, Fang Z, Zhang C, Bai Y, Li Z, Li Y. Perspective insights into versatile hydrogels for stroke: From molecular mechanisms to functional applications. Biomed Pharmacother 2024; 173:116309. [PMID: 38479180 DOI: 10.1016/j.biopha.2024.116309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 02/13/2024] [Accepted: 02/17/2024] [Indexed: 03/27/2024] Open
Abstract
As the leading killer of life and health, stroke leads to limb paralysis, speech disorder, dysphagia, cognitive impairment, mental depression and other symptoms, which entail a significant financial burden to society and families. At present, physiology, clinical medicine, engineering, and materials science, advanced biomaterials standing on the foothold of these interdisciplinary disciplines provide new opportunities and possibilities for the cure of stroke. Among them, hydrogels have been endowed with more possibilities. It is well-known that hydrogels can be employed as potential biosensors, medication delivery vectors, and cell transporters or matrices in tissue engineering in tissue engineering, and outperform many traditional therapeutic drugs, surgery, and materials. Therefore, hydrogels become a popular scaffolding treatment option for stroke. Diverse synthetic hydrogels were designed according to different pathophysiological mechanisms from the recently reported literature will be thoroughly explored. The biological uses of several types of hydrogels will be highlighted, including pro-angiogenesis, pro-neurogenesis, anti-oxidation, anti-inflammation and anti-apoptosis. Finally, considerations and challenges of using hydrogels in the treatment of stroke are summarized.
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Affiliation(s)
- Xinghan Wu
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China; Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Tiejun Zhang
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Jing Jia
- Department of Pharmacy, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan 250014, China
| | - Yining Chen
- Key laboratory for Leather Chemistry and Engineering of the Education Ministry, Sichuan University, Chengdu, Sichuan 610065, China
| | - Ying Zhang
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Zhenwei Fang
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Chenyu Zhang
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Yang Bai
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Zhengjun Li
- Department of Dermatology, Qilu Hospital, Shandong University, Jinan 250012, China
| | - Yuwen Li
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China.
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Yu Y, Li X, Wu X, Li X, Wei J, Chen X, Sun Z, Zhang Q. Sodium hydrosulfide inhibits hemin-induced ferroptosis and lipid peroxidation in BV2 cells via the CBS/H 2S system. Cell Signal 2023; 104:110594. [PMID: 36646297 DOI: 10.1016/j.cellsig.2023.110594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Revised: 01/03/2023] [Accepted: 01/10/2023] [Indexed: 01/15/2023]
Abstract
Ferroptosis is a form of iron-dependent programmed cell death discovered in recent years that has been shown to be involved in diverse neurological disorders. Hydrogen sulfide (H2S) is an important signaling molecule with neuroprotective effects, including antioxidation. However, whether the protective mechanism of H2S is related to ferroptosis remains unknown. Therefore, in this study, we focused on the protective mechanisms of sodium hydrosulfide (NaHS, a donor of H2S) against ferroptosis caused by intracerebral hemorrhage (ICH) using a hemin-induced BV2 cell injury model in vitro. Our results indicated that NaHS enhanced cell viability and reduced hemin-induced lactate dehydrogenase (LDH) release. NaHS suppressed ferroptosis after hemin treatment, which was confirmed by attenuated reactive oxygen species (ROS) and lipid peroxidation, maintained iron homeostasis, recovery of the expression of glutathione peroxidase 4 (GPX4) and solute carrier family 7-member 11 (SLC7A11), and increased glutathione (GSH) production. Moreover, we demonstrated that inhibiting ferroptosis improved cell survival and prevented hemin-induced oxidative stress. In addition, NaHS was also able to block ferroptosis inducer RSL3-induced ferroptotic cell death. We also found that NaHS increased cystathionine-β-synthase (CBS) expression and H2S levels after hemin treatment. Furthermore, NaHS-induced ferroptosis reduction was inhibited by the CBS inhibitor aminooxyacetic acid (AOAA) as well as by CBS small interference RNA (siCBS). In summary, these findings demonstrated that NaHS protects against hemin-induced ferroptosis by reducing lipid peroxidation, inhibiting iron overload, increasing GSH production, and improving GPX4 and SLC7A11 via the CBS/H2S system. The CBS/H2S system may be a promising target for preventing ferroptosis after ICH.
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Affiliation(s)
- Yang Yu
- Department of Neurosurgery, Huazhong University of Science and Technology Union Shenzhen Hospital, The 6th Affiliated Hospital of Shenzhen University, Shenzhen, China; Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, National-Regional Key Technology Engineering Laboratory for Medical Ultrasound, School of Biomedical Engineering, Shenzhen University Medical school, Shenzhen, China
| | - Xinghui Li
- Department of Epidemiology and Biostatistics, College of Public Health, Shaanxi University of Chinese Medicine, Xianyang, China; School of Public Health and Management, Ningxia Medical University, Yinchuan, China
| | - Xiuquan Wu
- Department of Neurosurgery, Xijing Hospital, Air Force Medical University, Xi'an, China
| | - Xinglong Li
- Department of Neurosurgery, Huazhong University of Science and Technology Union Shenzhen Hospital, The 6th Affiliated Hospital of Shenzhen University, Shenzhen, China
| | - Jialiang Wei
- Department of Neurosurgery, Xijing Hospital, Air Force Medical University, Xi'an, China
| | - Xianjin Chen
- Department of Neurosurgery, Huazhong University of Science and Technology Union Shenzhen Hospital, The 6th Affiliated Hospital of Shenzhen University, Shenzhen, China
| | - Zhouyuan Sun
- Department of Neurosurgery, Huazhong University of Science and Technology Union Shenzhen Hospital, The 6th Affiliated Hospital of Shenzhen University, Shenzhen, China
| | - Qinghua Zhang
- Department of Neurosurgery, Huazhong University of Science and Technology Union Shenzhen Hospital, The 6th Affiliated Hospital of Shenzhen University, Shenzhen, China.
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Huang Y, Omorou M, Gao M, Mu C, Xu W, Xu H. Hydrogen sulfide and its donors for the treatment of cerebral ischaemia-reperfusion injury: A comprehensive review. Biomed Pharmacother 2023; 161:114506. [PMID: 36906977 DOI: 10.1016/j.biopha.2023.114506] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 03/06/2023] [Accepted: 03/07/2023] [Indexed: 03/12/2023] Open
Abstract
As an endogenous gas signalling molecule, hydrogen sulfide (H2S) is frequently present in a variety of mammals and plays a significant role in the cardiovascular and nervous systems. Reactive oxygen species (ROS) are produced in large quantities as a result of cerebral ischaemia-reperfusion, which is a very serious class of cerebrovascular diseases. ROS cause oxidative stress and induce specific gene expression that results in apoptosis. H2S reduces cerebral ischaemia-reperfusion-induced secondary injury via anti-oxidative stress injury, suppression of the inflammatory response, inhibition of apoptosis, attenuation of cerebrovascular endothelial cell injury, modulation of autophagy, and antagonism of P2X7 receptors, and it plays an important biological role in other cerebral ischaemic injury events. Despite the many limitations of the hydrogen sulfide therapy delivery strategy and the difficulty in controlling the ideal concentration, relevant experimental evidence demonstrating that H2S plays an excellent neuroprotective role in cerebral ischaemia-reperfusion injury (CIRI). This paper examines the synthesis and metabolism of the gas molecule H2S in the brain as well as the molecular mechanisms of H2S donors in cerebral ischaemia-reperfusion injury and possibly other unknown biological functions. With the active development in this field, it is expected that this review will assist researchers in their search for the potential value of hydrogen sulfide and provide new ideas for preclinical trials of exogenous H2S.
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Affiliation(s)
- Yiwei Huang
- Basic Medical College, Jiamusi University, Jiamusi 154007, Heilongjiang, China; Key Laboratory of Microecology-Immune Regulatory Network and Related Diseases, Jiamusi 154007, Heilongjiang, China.
| | - Moussa Omorou
- Key Laboratory of Microecology-Immune Regulatory Network and Related Diseases, Jiamusi 154007, Heilongjiang, China; Basic Medical College, Jiamusi University, Jiamusi 154007, Heilongjiang, China.
| | - Meng Gao
- Key Laboratory of Microecology-Immune Regulatory Network and Related Diseases, Jiamusi 154007, Heilongjiang, China; Basic Medical College, Jiamusi University, Jiamusi 154007, Heilongjiang, China.
| | - Chenxi Mu
- Key Laboratory of Microecology-Immune Regulatory Network and Related Diseases, Jiamusi 154007, Heilongjiang, China; Basic Medical College, Jiamusi University, Jiamusi 154007, Heilongjiang, China.
| | - Weijing Xu
- School of Public Health, Jiamusi University, Jiamusi 154007, Heilongjiang, China.
| | - Hui Xu
- Key Laboratory of Microecology-Immune Regulatory Network and Related Diseases, Jiamusi 154007, Heilongjiang, China.
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Advances of H2S in Regulating Neurodegenerative Diseases by Preserving Mitochondria Function. Antioxidants (Basel) 2023; 12:antiox12030652. [PMID: 36978900 PMCID: PMC10044936 DOI: 10.3390/antiox12030652] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 02/22/2023] [Accepted: 03/03/2023] [Indexed: 03/08/2023] Open
Abstract
Neurotoxicity is induced by different toxic substances, including environmental chemicals, drugs, and pathogenic toxins, resulting in oxidative damage and neurodegeneration in mammals. The nervous system is extremely vulnerable to oxidative stress because of its high oxygen demand. Mitochondria are the main source of ATP production in the brain neuron, and oxidative stress-caused mitochondrial dysfunction is implicated in neurodegenerative diseases. H2S was initially identified as a toxic gas; however, more recently, it has been recognized as a neuromodulator as well as a neuroprotectant. Specifically, it modulates mitochondrial activity, and H2S oxidation in mitochondria produces various reactive sulfur species, thus modifying proteins through sulfhydration. This review focused on highlighting the neuron modulation role of H2S in regulating neurodegenerative diseases through anti-oxidative, anti-inflammatory, anti-apoptotic and S-sulfhydration, and emphasized the importance of H2S as a therapeutic molecule for neurological diseases.
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Human-derived hair follicle stem cells and hydrogen sulfide on focal cerebral ischemia model: A comparative evaluation of radiologic, neurobehavioral and immunohistochemical results. Brain Res 2023; 1799:148170. [PMID: 36410427 DOI: 10.1016/j.brainres.2022.148170] [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: 08/20/2022] [Revised: 11/10/2022] [Accepted: 11/15/2022] [Indexed: 11/19/2022]
Abstract
The present study investigated the effects of intracerebral human-derived hair follicle stem cells (HFBSCs), whether alone or in combination with hydrogen sulfide (H2S) in a rat model of focal cerebral ischemia. The rats were randomly assigned into 4 groups (n = 10): Control (phosphate buffered saline (PBS)), Group A (at 24 h post-middle cerebral artery occlusion(MCAo), stereotaxic intracerebral, 1,0 × 106, total 10 μL HFBSCs), Group B (3-14 d post-MCAo, intraperitoneal (i.p.), 25 μM/kg/day H2S), Group AB (HFBSCs + H2S). Cranial magnetic resonance images were recorded on postoperative 1st and 28th days. Three dimensional analysis was performed to calculate the infarct volumes. Rotarod and cylinder tests were performed after MCAo and finally all rats were euthanized by cardiac perfusion at 28 days after MCAo for immunohistochemical analysis. The reduction in infarct volumes of rats receiving HFBSC was significant. The cranial infarct volume on the postoperative 28th day was significantly higher in the group in which H2S was administered alone compared to the HFBSC alone group. All animals showed steadily improved spontaneous locomotor activity from day 7 post-MCAo on rotarod test, from day 1 on cylinder test, but showed no significant differences at all times. In all groups, the grading scores of CD34, CD5, CD11b and GFAP immunohistochemical markers did not differ significantly. In conclusion, intracerebral HFBSC treatment after 24 h of ischemic stroke may be an effective way to reduce the cranial infarct volume, whereas H2S treatment alone or in combination with HFBSC may not be sufficient for ischemic brain injury.
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Zhang J, Tang S, Chen C, Jiang H, Liao H, Liu H, Wang L, Chen X. A bibliometric analysis of the studies in high-altitude induced sleep disturbances and cognitive impairment research. Front Physiol 2023; 14:1133059. [PMID: 36860517 PMCID: PMC9968939 DOI: 10.3389/fphys.2023.1133059] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Accepted: 01/26/2023] [Indexed: 02/16/2023] Open
Abstract
Background: The two main symptoms at high altitude, sleep abnormalities and cognitive impairments, interact with each other. These two dysfunctions are also closely related to systemic multisystem diseases, including cerebrovascular diseases, psychiatric disorders, and immune regulatory diseases. Purpose: To systematically analyze and visualize research on sleep disturbances and cognitive impairment at high altitudes using a bibliometrics method, and to determine future research directions by analyzing research trends and the latest hotspots. Methods: Publications from 1990 to 2022 on sleep disturbances and cognitive impairment at high altitudes were retrieved from the Web of Science. Using the R Bibliometrix software and Microsoft Excel, all data were examined statistically and qualitatively. For network visualization, the data were later exported into VOSviewer 1.6.17 and CiteSpace 6.1.R6. Results: A total of 487 articles in this area were published from 1990 to 2022. In this period, there was an overall increase in the number of publications. The United States has shown considerable importance in this sector. Bloch Konrad E was the most prolific and valuable author. The most prolific journal was High Altitude Medicine & Biology, and it has been the first choice for publishing in this field in recent years. Analysis of keyword co-occurrences suggested that research interest in the clinical manifestations of sleep disturbances and cognitive impairment caused by altitude hypoxia was mainly focused on "acute mountain-sickness," "insomnia," "apnea syndrome," "depression," "anxiety," "Cheyne-strokes respiration," and "pulmonary hypertension." The mechanisms of disease development related to "oxidative stress," "inflammation," "hippocampus," "prefrontal cortex," "neurodegeneration," and "spatial memory" in the brain have been the focus of recent research. According to burst detection analysis, "mood" and "memory impairment," as terms with high strength, are expected to remain hot topics in the coming years. High-altitude-induced pulmonary hypertension is also in the emerging stage of research, and the treatments will continue to receive attention in the future. Conclusion: More attention is being focused on sleep disturbances and cognitive impairment at high altitudes. This work will serve as a useful reference for the clinical development of treatments for sleep disturbances and cognitive impairment induced by hypobaric hypoxia at high altitudes.
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Affiliation(s)
- Jiexin Zhang
- Department of Laboratory Medicine, The Third People’s Hospital of Chengdu, Affiliated Hospital of Southwest Jiaotong University, Chengdu, Sichuan, China
| | - Songyuan Tang
- Faculty of Life Sciences and Engineering, Southwest Jiaotong University, Chengdu, Sichuan, China
| | - Chao Chen
- Department of Osteology, The 5th People’s Hospital of Jinan, Jinan, Shandong, China
| | - Hezhong Jiang
- Faculty of Life Sciences and Engineering, Southwest Jiaotong University, Chengdu, Sichuan, China
| | - Hai Liao
- Department of Laboratory Medicine, The Third People’s Hospital of Chengdu, Affiliated Hospital of Southwest Jiaotong University, Chengdu, Sichuan, China
| | - Huawei Liu
- Department of Laboratory Medicine, The Third People’s Hospital of Chengdu, Affiliated Hospital of Southwest Jiaotong University, Chengdu, Sichuan, China
| | - Li Wang
- Sichuan Baicheng Chinese Medicine Technology Co., Chengdu, Sichuan, China
| | - Xin Chen
- Department of Laboratory Medicine, The Third People’s Hospital of Chengdu, Affiliated Hospital of Southwest Jiaotong University, Chengdu, Sichuan, China,*Correspondence: Xin Chen,
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Ramanathan D, Huang L, Wilson T, Boling W. Molecular hydrogen therapy for neurological diseases: a review of current evidence. Med Gas Res 2022; 13:94-98. [PMID: 36571372 PMCID: PMC9979207 DOI: 10.4103/2045-9912.359677] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
Reactive oxygen species and other free radicals cause oxidative stress which is the underlying pathogenesis of cellular injury in various neurological diseases. Molecular hydrogen therapy with its unique biological property of selectively scavenging pathological free radicals has demonstrated therapeutic potential in innumerable animal studies and some clinical trials. These studies have implicated several cellular pathways affected by hydrogen therapy in explaining its anti-inflammatory and antioxidative effects. This article reviews relevant animal and clinical studies that demonstrate neuroprotective effects of hydrogen therapy in stroke, neurodegenerative diseases, neurotrauma, and global brain injury.
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Affiliation(s)
- Dinesh Ramanathan
- Department of Neurosurgery, Loma Linda University, Loma Linda, CA, USA
| | - Lei Huang
- Department of Neurosurgery, Loma Linda University, Loma Linda, CA, USA,Department of Basic Sciences, Loma Linda University, Loma Linda, CA, USA
| | - Taylor Wilson
- Department of Neurosurgery, Loma Linda University, Loma Linda, CA, USA
| | - Warren Boling
- Department of Neurosurgery, Loma Linda University, Loma Linda, CA, USA,Correspondence to: Warren Boling, E-mail:
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Munteanu C, Rotariu M, Turnea M, Dogaru G, Popescu C, Spînu A, Andone I, Postoiu R, Ionescu EV, Oprea C, Albadi I, Onose G. Recent Advances in Molecular Research on Hydrogen Sulfide (H 2S) Role in Diabetes Mellitus (DM)-A Systematic Review. Int J Mol Sci 2022; 23:ijms23126720. [PMID: 35743160 PMCID: PMC9223903 DOI: 10.3390/ijms23126720] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 06/10/2022] [Accepted: 06/13/2022] [Indexed: 02/01/2023] Open
Abstract
Abundant experimental data suggest that hydrogen sulfide (H2S) is related to the pathophysiology of Diabetes Mellitus (DM). Multiple molecular mechanisms, including receptors, membrane ion channels, signalingmolecules, enzymes, and transcription factors, are known to be responsible for the H2S biological actions; however, H2S is not fully documented as a gaseous signaling molecule interfering with DM and vascular-linked pathology. In recent decades, multiple approaches regarding therapeutic exploitation of H2S have been identified, either based on H2S exogenous apport or on its modulated endogenous biosynthesis. This paper aims to synthesize and systematize, as comprehensively as possible, the recent literature-related data regarding the therapeutic/rehabilitative role of H2S in DM. This review was conducted following the “Preferred reporting items for systematic reviews and meta-analyses” (PRISMA) methodology, interrogating five international medically renowned databases by specific keyword combinations/“syntaxes” used contextually, over the last five years (2017–2021). The respective search/filtered and selection methodology we applied has identified, in the first step, 212 articles. After deploying the next specific quest steps, 51 unique published papers qualified for minute analysis resulted. To these bibliographic resources obtained through the PRISMA methodology, in order to have the best available information coverage, we added 86 papers that were freely found by a direct internet search. Finally, we selected for a connected meta-analysis eight relevant reports that included 1237 human subjects elicited from clinical trial registration platforms. Numerous H2S releasing/stimulating compounds have been produced, some being used in experimental models. However, very few of them were further advanced in clinical studies, indicating that the development of H2S as a therapeutic agent is still at the beginning.
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Affiliation(s)
- Constantin Munteanu
- Faculty of Medical Bioengineering, University of Medicine and Pharmacy “Grigore T. Popa” Iași, 700115 Iași, Romania; (M.R.); (M.T.)
- Teaching Emergency Hospital “Bagdasar-Arseni”, 041915 Bucharest, Romania; (C.P.); (A.S.); (I.A.); (R.P.)
- Correspondence: (C.M.); (G.O.)
| | - Mariana Rotariu
- Faculty of Medical Bioengineering, University of Medicine and Pharmacy “Grigore T. Popa” Iași, 700115 Iași, Romania; (M.R.); (M.T.)
| | - Marius Turnea
- Faculty of Medical Bioengineering, University of Medicine and Pharmacy “Grigore T. Popa” Iași, 700115 Iași, Romania; (M.R.); (M.T.)
| | - Gabriela Dogaru
- Clinical Rehabilitation Hospital, 400066 Cluj-Napoca, Romania;
- Faculty of Medicine, “Iuliu Hatieganu” University of Medicine and Pharmacy, 400347 Cluj-Napoca, Romania
| | - Cristina Popescu
- Teaching Emergency Hospital “Bagdasar-Arseni”, 041915 Bucharest, Romania; (C.P.); (A.S.); (I.A.); (R.P.)
| | - Aura Spînu
- Teaching Emergency Hospital “Bagdasar-Arseni”, 041915 Bucharest, Romania; (C.P.); (A.S.); (I.A.); (R.P.)
- Faculty of Medicine, University of Medicine and Pharmacy “Carol Davila”, 050474 Bucharest, Romania
| | - Ioana Andone
- Teaching Emergency Hospital “Bagdasar-Arseni”, 041915 Bucharest, Romania; (C.P.); (A.S.); (I.A.); (R.P.)
- Faculty of Medicine, University of Medicine and Pharmacy “Carol Davila”, 050474 Bucharest, Romania
| | - Ruxandra Postoiu
- Teaching Emergency Hospital “Bagdasar-Arseni”, 041915 Bucharest, Romania; (C.P.); (A.S.); (I.A.); (R.P.)
| | - Elena Valentina Ionescu
- Faculty of Medicine, Ovidius University of Constanta, 900527 Constanta, Romania; (E.V.I.); (C.O.); (I.A.)
- Balneal and Rehabilitation Sanatorium of Techirghiol, 906100 Techirghiol, Romania
| | - Carmen Oprea
- Faculty of Medicine, Ovidius University of Constanta, 900527 Constanta, Romania; (E.V.I.); (C.O.); (I.A.)
- Balneal and Rehabilitation Sanatorium of Techirghiol, 906100 Techirghiol, Romania
| | - Irina Albadi
- Faculty of Medicine, Ovidius University of Constanta, 900527 Constanta, Romania; (E.V.I.); (C.O.); (I.A.)
- Teaching Emergency County Hospital “Sf. Apostol Andrei” Constanta, 900591 Constanta, Romania
| | - Gelu Onose
- Teaching Emergency Hospital “Bagdasar-Arseni”, 041915 Bucharest, Romania; (C.P.); (A.S.); (I.A.); (R.P.)
- Faculty of Medicine, University of Medicine and Pharmacy “Carol Davila”, 050474 Bucharest, Romania
- Correspondence: (C.M.); (G.O.)
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Li Q, Qu M, Wang N, Wang L, Fan G, Yang C. Betaine Ameliorates Brain Damage in a Rat Model of Ischemia/Reperfusion Injury. J Neurophysiol 2022; 127:444-451. [PMID: 35020521 DOI: 10.1152/jn.00400.2021] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
Brain ischemia and reperfusion (I/R) injury may lead to a poor prognosis for ischemic stroke, which could be alleviated by anti-oxidants with diminished oxidative stress. Betaine is a natural nutrient found in beetroot and seafood to improve cognitive performance in the elderly. The present study investigated whether betaine could protect the brain from I/R injury. Results showed that betaine treatment could reduce H2O2-induced cell death in the PC12 cell line. Pretreatment with betaine reduced the brain infarct volume and neuronal apoptosis in a rat I/R injury model induced by two-hour middle cerebral artery occlusion (MCAO). Biochemical analyses indicated that betaine treatment decreased pro-inflammatory cytokine production and reduced oxidative stress after I/R injury. Betaine increased the expression of anti-oxidative enzymes, such as glutathione peroxidase 4 (Gpx4) and superoxide dismutase 1 (Sod1), and anti-oxidative non-enzymatic genes, such as 3-mercaptopyruvate sulfurtransferase (Mpst), methionine sulfoxide reductases b1 (Msrb1), and Msrb2. These data suggest that betaine exerts a neuroprotective effect in I/R injury through enzymatic and non-enzymatic anti-oxidative systems and anti-inflammatory mechanisms.
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Affiliation(s)
- Qian Li
- Department of Neurology, Cangzhou Central Hospital, Cangzhou, Hebei, China
| | - Mingwei Qu
- Department of Neurology, Cangzhou Central Hospital, Cangzhou, Hebei, China
| | - Ningning Wang
- Department of Neurology, Cangzhou Central Hospital, Cangzhou, Hebei, China
| | - Limin Wang
- Department of Neurology, Cangzhou Central Hospital, Cangzhou, Hebei, China
| | - Guimei Fan
- Department of Neurology, Cangzhou Central Hospital, Cangzhou, Hebei, China
| | - Chaoping Yang
- Department of Neurology, Cangzhou Central Hospital, Cangzhou, Hebei, China
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Malard E, Valable S, Bernaudin M, Pérès E, Chatre L. The Reactive Species Interactome in the Brain. Antioxid Redox Signal 2021; 35:1176-1206. [PMID: 34498917 DOI: 10.1089/ars.2020.8238] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Significance: Redox pioneer Helmut Sies attempted to explain reactive species' challenges faced by organelles, cells, tissues, and organs via three complementary definitions: (i) oxidative stress, that is, the disturbance in the prooxidant-antioxidant defense balance in favor of the prooxidants; (ii) oxidative eustress, the low physiological exposure to prooxidants; and (iii) oxidative distress, the supraphysiological exposure to prooxidants. Recent Advances: Identification, concentration, and interactions are the most important elements to improve our understanding of reactive species in physiology and pathology. In this context, the reactive species interactome (RSI) is a new multilevel redox regulatory system that identifies reactive species families, reactive oxygen species (ROS), reactive nitrogen species (RNS), and reactive sulfur species, and it integrates their interactions with their downstream biological targets. Critical Issues: We propose a united view to fully combine reactive species identification, oxidative eustress and distress, and the RSI system. In this view, we also propose including the forgotten reactive carbonyl species, an increasingly rediscovered reactive species family related to the other reactive families, and key enzymes within the RSI. We focus on brain physiology and pathology to demonstrate why this united view should be considered. Future Directions: More studies are needed for an improved understanding of the contributions of reactive species through their identification, concentration, and interactions, including in the brain. Appreciating the RSI in its entirety should unveil new molecular players and mechanisms in physiology and pathology in the brain and elsewhere.
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Affiliation(s)
- Elise Malard
- Normandie Univ, UNICAEN, CEA, CNRS, ISTCT/CERVOxy group, GIP Cyceron, Caen, France
| | - Samuel Valable
- Normandie Univ, UNICAEN, CEA, CNRS, ISTCT/CERVOxy group, GIP Cyceron, Caen, France
| | - Myriam Bernaudin
- Normandie Univ, UNICAEN, CEA, CNRS, ISTCT/CERVOxy group, GIP Cyceron, Caen, France
| | - Elodie Pérès
- Normandie Univ, UNICAEN, CEA, CNRS, ISTCT/CERVOxy group, GIP Cyceron, Caen, France
| | - Laurent Chatre
- Normandie Univ, UNICAEN, CEA, CNRS, ISTCT/CERVOxy group, GIP Cyceron, Caen, France
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MUNTEANU C, MUNTEANU D, ONOSE G. Hydrogen sulfide (H2S) - therapeutic relevance in rehabilitation and balneotherapy Systematic literature review and meta-analysis based on the PRISMA paradig. BALNEO AND PRM RESEARCH JOURNAL 2021. [DOI: 10.12680/balneo.2021.438] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Background. An active molecule in sulfurous mineral - therapeutic waters and also in sapropelic mud is H2S, a hormetic gaseous molecule that can actively penetrate the skin. While high levels of H2S are extremely toxic, low levels are tolerated and have potential cytoprotective effects, with anti-inflammatory and antioxidant applications.
Objective. This systematic review aims to rigorously select related articles and identify within their content the main possible uses of hydrogen sulfide from balneary sources and to explain its physiological mechanisms and therapeutic properties.
Methods. To elaborate our systematic review, we have searched for relevant open access articles in 6 international databases: Cochrane , Elsevier , NCBI/PubMed , NCBI/PMC , PEDro , and ISI Web of Knowledge/Science , published from January 2016 until July 2021. The contextually quested keywords combinations/ syntaxes used are specified on this page. The eligible articles were analyzed in detail regarding pathologies addressed by hydrogen sulfide. All articles with any design (reviews, randomized controlled trials, non-randomized controlled trials, case-control studies, cross-sectional studies), if eligible according to the above-mentioned selection methodology, containing in the title the selected combinations, were included in the analysis. Articles were excluded in the second phase if they did not reach the relevance criterion.
Results. Our search identified, first, 291 articles. After eliminating the duplicates and non-ISI articles, remained 121 papers. In the second phase, we applied a PEDro selection filter, resulting in 108 articles that passed the relevance criterion and were included in this systematic review.
Conclusions. H2S biology and medical relevance are not fully understood and used adequately for sanogenic or medical purposes. More research is needed to fully understand the mechanisms and importance of this therapeutic gase. The link between balneotherapy and medical rehabilitation regarding the usage of hydrogen sulfide emphasises the unity for this medical speciality.
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Affiliation(s)
- Constantin MUNTEANU
- 1 University of Medicine and Pharmacy “Grigore T. Popa, 16 University Street, Iasi, Romania
| | - Diana MUNTEANU
- National Institute of Rehabilitation, Physical Medicine and Balneoclimatology, Bucharest, Romania
| | - Gelu ONOSE
- Teaching Emergency Hospital ”Bagdasar-Arseni”, Bucharest, Romania , Faculty of Medicine, Department of Physical and Rehabilitation Medicine, University of Medicine and Pharmacy ”Carol Davila”, Bucharest,
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Lv L, Xi HP, Huang JC, Zhou XY. LncRNA SNHG1 alleviated apoptosis and inflammation during ischemic stroke by targeting miR-376a and modulating CBS/H 2S pathway. Int J Neurosci 2020; 131:1162-1172. [PMID: 32532171 DOI: 10.1080/00207454.2020.1782904] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
BACKGROUND Ischemic stroke (IS) is a major public health issue causing mortality and disability and is more difficult to treat than other cerebral diseases. Previous study reported that miR-376a was upregulated in the serum of stroke patients, indicating that miR-376a played potential role in occurrence and development of stroke. METHODS IS cell model was induced by oxygen-glucose deprivation (OGD) exposed HCMEC/D3 cells. The mRNA level of SNHG1, miR-376a and inflammatory cytokines were detected by q-PCR. Protein level of CBS, apoptotic proteins were examined by Western blot. Apoptosis was analyzed by flow cytometry, and H2S level was measured by kit. Interaction among lncRNA, miRNA and target gene was validated by luciferase assay. RESULTS Our research revealed that mRNA level of SNHG1 and CBS in HCMEC/D3 cells was downregulated while miR-376a was upregulated under OGD conditions. Further results demonstrated that miR-376a overexpression promoted apoptosis and inflammation while SNHG1 overexpressing alleviated such processes. Mechanistically, SNHG1 directly targeted miR-376a, and CBS was a target of miR-376a. Moreover, SNHG1 exert its function via inhibiting miR-376a to regulate CBS expression. CONCLUSION LncRNA SNHG1 depressed apoptosis and inflammation of IS cell model via inhibiting miR-376a and upregulating CBS/H2S signal. These results show light on underlying mechanisms of IS and provide potential targets for IS therapy.
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Affiliation(s)
- Li Lv
- Department of Neurosurgery, First Affiliated Hospital, University of South China, Hengyang, P.R. China
| | - Hai-Peng Xi
- Department of Neurosurgery, First Affiliated Hospital, University of South China, Hengyang, P.R. China
| | - Jian-Chao Huang
- Department of Neurosurgery, First Affiliated Hospital, University of South China, Hengyang, P.R. China
| | - Xiang-Yang Zhou
- Department of Neurosurgery, First Affiliated Hospital, University of South China, Hengyang, P.R. China
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Zhang ZY, Fang YJ, Luo YJ, Lenahan C, Zhang JM, Chen S. The role of medical gas in stroke: an updated review. Med Gas Res 2020; 9:221-228. [PMID: 31898607 PMCID: PMC7802415 DOI: 10.4103/2045-9912.273960] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Medical gas is a large class of bioactive gases used in clinical medicine and basic scientific research. At present, the role of medical gas in neuroprotection has received growing attention. Stroke is a leading cause of death and disability in adults worldwide, but current treatment is still very limited. The common pathological changes of these two types of stroke may include excitotoxicity, free radical release, inflammation, cell death, mitochondrial disorder, and blood-brain barrier disruption. In this review, we will discuss the pathological mechanisms of stroke and the role of two medical gases (hydrogen and hydrogen sulfide) in stroke, which may potentially provide a new insight into the treatment of stroke.
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Affiliation(s)
- Ze-Yu Zhang
- Department of Neurosurgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang Province, China
| | - Yuan-Jian Fang
- Department of Neurosurgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang Province, China
| | - Yu-Jie Luo
- Department of Neurosurgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang Province, China
| | - Cameron Lenahan
- Burrell College of Osteopathic Medicine, Las Cruces, NM; Center for Neuroscience Research, School of Medicine, Loma Linda University, Loma Linda, CA, USA
| | - Jian-Ming Zhang
- Department of Neurosurgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang Province, China
| | - Sheng Chen
- Department of Neurosurgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang Province, China
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Biological Effects of Hydrogen Sulfide and Its Protective Role in Intracerebral Hemorrhage. J Mol Neurosci 2020; 70:2020-2030. [DOI: 10.1007/s12031-020-01608-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Accepted: 05/19/2020] [Indexed: 12/21/2022]
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Marutani E, Ichinose F. Emerging pharmacological tools to control hydrogen sulfide signaling in critical illness. Intensive Care Med Exp 2020; 8:5. [PMID: 32006269 PMCID: PMC6994583 DOI: 10.1186/s40635-020-0296-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Accepted: 01/20/2020] [Indexed: 12/25/2022] Open
Abstract
Hydrogen sulfide (H2S) has long been known as a toxic environmental hazard. Discovery of physiological roles of H2S as a neurotransmitter by Kimura and colleagues triggered an intensive research in the biological roles of H2S in the past decades. Manipulation of H2S levels by inhibiting H2S synthesis or administration of H2S-releasing molecules revealed beneficial as well as harmful effects of H2S. As a result, it is now established that H2S levels are tightly controlled and too much or too little H2S levels cause harm. Nonetheless, translation of sulfide-based therapy to clinical practice has been stymied due to the very low therapeutic index of sulfide and the incomplete understanding of endogenous sulfide metabolism. One potential strategy to circumvent this problem is to use a safe and stable sulfide metabolite that may mediate effects of H2S. Alternatively, endogenous sulfide levels may be controlled using specific sulfide scavengers. In this review article, the role of endogenous H2S production and catabolism will be briefly reviewed followed by an introduction of thiosulfate and H2S scavengers as novel pharmacological tools to control H2S-dependent signaling.
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Affiliation(s)
- Eizo Marutani
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02114, USA.
| | - Fumito Ichinose
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02114, USA
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Zhang B, Zhang HX, Shi ST, Bai YL, Zhe X, Zhang SJ, Li YJ. Interleukin-11 treatment protected against cerebral ischemia/reperfusion injury. Biomed Pharmacother 2019; 115:108816. [PMID: 31096144 DOI: 10.1016/j.biopha.2019.108816] [Citation(s) in RCA: 65] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Revised: 03/19/2019] [Accepted: 03/26/2019] [Indexed: 11/24/2022] Open
Abstract
OBJECTIVE Inflammation and immune responses are crucial factors associated with the onset and progression of stroke. Interleukin-11 (IL-11) is a hematopoietic IL-6 family cytokine that functions as an anti-inflammatory agent against various inflammatory diseases. However, its roles in stroke remain unknown. In this study, we investigated the effects of IL-11 on cerebral ischemia-reperfusion injury in a model of focal cerebral ischemia. METHODS Mice were randomly divided into five groups the vehicle group, the middle cerebral artery occlusion (MCAO) group, the MCAO plus adenosine monophosphate-activated protein kinase (AMPK) inhibitor compound C group, the MCAO plus IL-11 treatment group, and the MCAO plus IL-11 treatment and compound C group. Focal cerebral ischemia was induced by occluding the left middle cerebral artery, and reperfusion was achieved by withdrawing the suture 2 h after ischemia. The protein expression levels of IL-11 were measured using Western blot analysis, and its location was detected using immunohistochemistry and immunofluorescence staining. The infarct volume was examined using 2,3,5-triphenyl tetrazolium chloride (TTC) staining, and the neurobehavioral progression was assessed using the neurological scoring system. The expression of astrocytes and microglia was detected using immunochemistry, and real-time quantitative PCR was used for the gene quantification of inflammatory cytokines. The extent of cerebral ischemia-reperfusion injury was tested using Nissl staining and the terminal deoxynucleotidyl transferase (TdT)-mediated dUTP nick end labeling (TUNEL) assay. The expression of the apoptotic proteins Bax, Bcl-2 and cleaved caspase-3 were detected using Western blot analysis, and the oxidative stress was also measured. RESULTS The expression of IL-11 mRNA and protein significantly decreased after cerebral ischemia. Immunohistochemical staining showed a large amount of IL-11 in the cerebral cortex of the mice in the vehicle group, whereas the immunoreactivity of IL-11 remained weak for 24 h in the MCAO group. Immunofluorescent staining further confirmed that IL-11 was mainly expressed in the neurons. It was suggested that IL-11 (20 μg/kg) treatment ameliorated infarction and reduced neurological scores. In addition, IL-11 proved to reduce neuropathic damage, glial activation, and the expression of proinflammatory cytokines and increase the expression of anti-inflammatory cytokines after cerebral ischemia. IL-11 was also able to alleviate oxidative stress caused by cerebral ischemia, and AMPK inhibition enhanced the alleviation. Moreover, IL-11 was found to inhibit apoptosis caused by cerebral ischemia, which could also be facilitated by AMPK inhibitors. SIGNIFICANCE Our research suggests that IL-11 is decreased during cerebral ischemia-reperfusion injury, but IL-11 treatment can improve neurological function and reduce the cerebral infarct volume, which can trigger stroke in mice. AMPK inhibition can further promote the protective effect of IL-11 in stroke. Overall, we demonstrate that IL-11 is of therapeutic interest in controlling stroke and managing cerebral ischemia-reperfusion injury.
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Affiliation(s)
- Bei Zhang
- Department of Neurology, The First Affiliated Hospital of Xi'an Medical University, Xi'an, 710077, China
| | - Hai-Xiong Zhang
- Otolaryngology Department, The First Affiliated Hospital of Xi'an Medical University, Xi'an, 710077, China
| | - Shao-Ting Shi
- Department of Neurology, The First Affiliated Hospital of Xi'an Medical University, Xi'an, 710077, China
| | - Yu-Lan Bai
- Department of Neurology, The First Affiliated Hospital of Xi'an Medical University, Xi'an, 710077, China
| | - Xiao Zhe
- Department of Neurology, The First Affiliated Hospital of Xi'an Medical University, Xi'an, 710077, China
| | - Shi-Jun Zhang
- Department of Neurology, The First Affiliated Hospital of Xi'an Medical University, Xi'an, 710077, China
| | - Ya-Jun Li
- Department of Neurology, The First Affiliated Hospital of Xi'an Medical University, Xi'an, 710077, China.
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Zhou Z, Lu J, Liu WW, Manaenko A, Hou X, Mei Q, Huang JL, Tang J, Zhang JH, Yao H, Hu Q. Advances in stroke pharmacology. Pharmacol Ther 2018; 191:23-42. [PMID: 29807056 DOI: 10.1016/j.pharmthera.2018.05.012] [Citation(s) in RCA: 105] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Stroke occurs when a cerebral blood vessel is blocked or ruptured, and it is the major cause of death and adult disability worldwide. Various pharmacological agents have been developed for the treatment of stroke either through interrupting the molecular pathways leading to neuronal death or enhancing neuronal survival and regeneration. Except for rtPA, few of these agents have succeeded in clinical trials. Recently, with the understanding of the pathophysiological process of stroke, there is a resurrection of research on developing neuroprotective agents for stroke treatment, and novel molecular targets for neuroprotection and neurorestoration have been discovered to predict or offer clinical benefits. Here we review the latest major progress of pharmacological studies in stroke, especially in ischemic stroke; summarize emerging potential therapeutic mechanisms; and highlight recent clinical trials. The aim of this review is to provide a panorama of pharmacological interventions for stroke and bridge basic and translational research to guide the clinical management of stroke therapy.
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Affiliation(s)
- Zhenhua Zhou
- Department of Physiology and Pharmacology, Loma Linda University School of Medicine, Loma Linda, CA, USA; Department of Neurology, Southwest Hospital, the Third Military Medical University, Chongqing 400038, China
| | - Jianfei Lu
- Discipline of Neuroscience, Department of Physiology and Anatomy, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Wen-Wu Liu
- Department of Diving and Hyperbaric Medicine, the Second Military Medical University, Shanghai 200433, China
| | - Anatol Manaenko
- Department of Neurology, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Xianhua Hou
- Department of Neurology, Southwest Hospital, the Third Military Medical University, Chongqing 400038, China
| | - Qiyong Mei
- Department of Neurosurgery, Changzheng Hospital, the Second Military Medical University, Shanghai 200003, China
| | - Jun-Long Huang
- Discipline of Neuroscience, Department of Physiology and Anatomy, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Jiping Tang
- Department of Physiology and Pharmacology, Loma Linda University School of Medicine, Loma Linda, CA, USA
| | - John H Zhang
- Department of Physiology and Pharmacology, Loma Linda University School of Medicine, Loma Linda, CA, USA
| | - Honghong Yao
- Department of Pharmacology, School of Medicine, Southeast University, Nanjing, China.
| | - Qin Hu
- Discipline of Neuroscience, Department of Physiology and Anatomy, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China.
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Ohia SE, Robinson J, Mitchell L, Ngele KK, Heruye S, Opere CA, Njie-Mbye YF. Regulation of Aqueous Humor Dynamics by Hydrogen Sulfide: Potential Role in Glaucoma Pharmacotherapy. J Ocul Pharmacol Ther 2017; 34:61-69. [PMID: 29215951 DOI: 10.1089/jop.2017.0077] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Hydrogen sulfide (H2S) is a gaseous transmitter with well-known biological actions in a wide variety of tissues and organs. The potential involvement of this gas in physiological and pathological processes in the eye has led to several in vitro, ex vivo, and in vivo studies to understand its pharmacological role in some mammalian species. Evidence from literature demonstrates that 4 enzymes responsible for the biosynthesis of this gas (cystathionine β-synthase, CBS; cystathionine γ-lyase, CSE; 3-mercaptopyruvate sulfurtransferase, 3MST; and d-amino acid oxidase) are present in the cornea, iris, ciliary body, lens, and retina. Studies of the pharmacological actions of H2S (using several compounds as fast- and slow-releasing gas donors) on anterior uveal tissues reveal an effect on sympathetic neurotransmission and the ability of the gas to relax precontracted iris and ocular vascular smooth muscles, responses that were blocked by inhibitors of CSE, CBS, and KATP channels. In the retina, there is evidence that H2S can inhibit excitatory amino acid neurotransmission and can also protect this tissue from a wide variety of insults. Furthermore, exogenous application of H2S-releasing compounds was reported to increase aqueous humor outflow facility in an ex vivo model of the porcine ocular anterior segment and lowered intraocular pressure (IOP) in both normotensive and glaucomatous rabbits. Taken together, the finding that H2S-releasing compounds can lower IOP and can serve a neuroprotective role in the retina suggests that H2S prodrugs could be used as tools or therapeutic agents in diseases such as glaucoma.
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Affiliation(s)
- Sunny E Ohia
- 1 Department of Pharmaceutical and Environmental Health Sciences, College of Pharmacy and Health Sciences, Texas Southern University , Houston, Texas
| | - Jenaye Robinson
- 1 Department of Pharmaceutical and Environmental Health Sciences, College of Pharmacy and Health Sciences, Texas Southern University , Houston, Texas
| | - Leah Mitchell
- 1 Department of Pharmaceutical and Environmental Health Sciences, College of Pharmacy and Health Sciences, Texas Southern University , Houston, Texas
| | - Kalu K Ngele
- 2 Department of Biology/Microbiology/Biotechnology, Federal University Ndufu Alike Ikwo , Abakaliki, Nigeria
| | - Segewkal Heruye
- 3 Department of Pharmacy Sciences, School of Pharmacy and Health Professions, Creighton University , Omaha, Nebraska
| | - Catherine A Opere
- 3 Department of Pharmacy Sciences, School of Pharmacy and Health Professions, Creighton University , Omaha, Nebraska
| | - Ya Fatou Njie-Mbye
- 1 Department of Pharmaceutical and Environmental Health Sciences, College of Pharmacy and Health Sciences, Texas Southern University , Houston, Texas
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Zhang M, Wu X, Xu Y, He M, Yang J, Li J, Li Y, Ao G, Cheng J, Jia J. The cystathionine β-synthase/hydrogen sulfide pathway contributes to microglia-mediated neuroinflammation following cerebral ischemia. Brain Behav Immun 2017; 66:332-346. [PMID: 28751019 DOI: 10.1016/j.bbi.2017.07.156] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Revised: 07/09/2017] [Accepted: 07/24/2017] [Indexed: 11/16/2022] Open
Abstract
The mechanisms underlying neuroinflammation following cerebral ischemia remain unclear. Hydrogen sulfide (H2S), a newly identified gasotransmitter, has been reported to regulate inflammation. In the current study, we investigated whether the endogenous H2S production pathway contributed to microglia-mediated neuroinflammation following stroke. We used a mouse middle cerebral artery occlusion (MCAO) model and an in vitro cellular model to mimic ischemia-induced microglial neuroinflammation. Expression of the H2S synthase cystathionine β-synthase (CBS) and H2S synthetic activity were rapidly decreased in the ischemic brain tissue following MCAO. Consistently, when cultured microglia were polarized toward a pro-inflammatory phenotype with conditioned medium collected from neurons that had been subjected to oxygen-glucose deprivation (OGD neuron CM), they displayed reduced CBS expression and H2S production. Enhancing H2S bioavailability either by overexpressing CBS or by supplementing with exogenous H2S donors promoted a shift in microglial polarization from ischemia-induced pro-inflammatory phenotypes toward anti-inflammatory phenotypes. Mechanistically, microglia that were exposed to OGD neuron CM displayed reduced activation of AMP-activated protein kinase (AMPK), which was rescued by overexpressing CBS or by supplementing with H2S donors. Moreover, the promoting effects of H2S donors on microglial anti-inflammatory polarization were abolished by an AMPK inhibitor or CaMKKβ inhibitor. Our results suggested that reduced CBS-H2S-AMPK cascade activity contributed to microglia-mediated neuroinflammation following stroke. Targeting the CBS-H2S pathway is a promising therapeutic approach for ischemic stroke.
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Affiliation(s)
- Minjie Zhang
- Department of Neurology and Suzhou Clinical Research Center of Neurological Disease, The Second Affiliated Hospital of Soochow University, Soochow University, Suzhou, China; Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases and Institute of Neuroscience, Soochow University, Suzhou, China
| | - Xiaowei Wu
- Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases and College of Pharmaceutical Sciences, Soochow University, Suzhou, China
| | - Yingxiu Xu
- Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases and Institute of Neuroscience, Soochow University, Suzhou, China
| | - Meijun He
- Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases and College of Pharmaceutical Sciences, Soochow University, Suzhou, China
| | - Jiaying Yang
- College of Medicine, Soochow University, Suzhou, China
| | - Jie Li
- Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases and Institute of Neuroscience, Soochow University, Suzhou, China
| | - Yuyao Li
- Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases and College of Pharmaceutical Sciences, Soochow University, Suzhou, China
| | - Guizhen Ao
- Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases and College of Pharmaceutical Sciences, Soochow University, Suzhou, China
| | - Jian Cheng
- Department of Neurology and Suzhou Clinical Research Center of Neurological Disease, The Second Affiliated Hospital of Soochow University, Soochow University, Suzhou, China; Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases and Institute of Neuroscience, Soochow University, Suzhou, China.
| | - Jia Jia
- Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases and College of Pharmaceutical Sciences, Soochow University, Suzhou, China.
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23
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Thirumalaivasan N, Venkatesan P, Wu SP. Highly selective turn-on probe for H2S with imaging applications in vitro and in vivo. NEW J CHEM 2017. [DOI: 10.1039/c7nj02869e] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A pyrene-based chemosensor, PyN3, has been developed as a H2S turn-on sensor via reduction of azide to amine.
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Affiliation(s)
| | - Parthiban Venkatesan
- Department of Applied Chemistry, National Chiao Tung University
- Hsinchu 300
- Taiwan
| | - Shu-Pao Wu
- Department of Applied Chemistry, National Chiao Tung University
- Hsinchu 300
- Taiwan
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