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Yang Y, Shao M, Cheng W, Yao J, Ma L, Wang Y, Wang W. A Pharmacological Review of Tanshinones, Naturally Occurring Monomers from Salvia miltiorrhiza for the Treatment of Cardiovascular Diseases. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2023; 2023:3801908. [PMID: 36793978 PMCID: PMC9925269 DOI: 10.1155/2023/3801908] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 10/23/2022] [Accepted: 11/25/2022] [Indexed: 02/09/2023]
Abstract
Cardiovascular diseases (CVDs) are a set of heart and blood vessel disorders that include coronary heart disease (CHD), rheumatic heart disease, and other conditions. Traditional Chinese Medicine (TCM) has definite effects on CVDs due to its multitarget and multicomponent properties, which are gradually gaining national attention. Tanshinones, the major active chemical compounds extracted from Salvia miltiorrhiza, exhibit beneficial improvement on multiple diseases, especially CVDs. At the level of biological activities, they play significant roles, including anti-inflammation, anti-oxidation, anti-apoptosis and anti-necroptosis, anti-hypertrophy, vasodilation, angiogenesis, combat against proliferation and migration of smooth muscle cells (SMCs), as well as anti-myocardial fibrosis and ventricular remodeling, which are all effective strategies in preventing and treating CVDs. Additionally, at the cellular level, Tanshinones produce marked effects on cardiomyocytes, macrophages, endothelia, SMCs, and fibroblasts in myocardia. In this review, we have summarized a brief overview of the chemical structures and pharmacological effects of Tanshinones as a CVD treatment to expound on different pharmacological properties in various cell types in myocardia.
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Affiliation(s)
- Ye Yang
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
- Key Laboratory of TCM Syndrome and Formula (Beijing University of Chinese Medicine), Ministry of Education, Beijing, China
| | - Mingyan Shao
- Key Laboratory of TCM Syndrome and Formula (Beijing University of Chinese Medicine), Ministry of Education, Beijing, China
- School of Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Wenkun Cheng
- Key Laboratory of TCM Syndrome and Formula (Beijing University of Chinese Medicine), Ministry of Education, Beijing, China
- School of Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Junkai Yao
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
- Key Laboratory of TCM Syndrome and Formula (Beijing University of Chinese Medicine), Ministry of Education, Beijing, China
| | - Lin Ma
- Key Laboratory of TCM Syndrome and Formula (Beijing University of Chinese Medicine), Ministry of Education, Beijing, China
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
| | - Yong Wang
- Key Laboratory of TCM Syndrome and Formula (Beijing University of Chinese Medicine), Ministry of Education, Beijing, China
- School of Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Wei Wang
- Key Laboratory of TCM Syndrome and Formula (Beijing University of Chinese Medicine), Ministry of Education, Beijing, China
- Guangzhou University of Chinese Medicine, Guangzhou, China
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52
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Zakluta AS, Shilova VY, Zatsepina OG. The Effect of the Knockout of Major Transsulfuration Genes on the Pattern of Protein Synthesis in D. melanogaster. Mol Biol 2023. [DOI: 10.1134/s0026893323010144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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53
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Jia TT, Zhang Y, Hou JT, Niu H, Wang S. H 2S-based fluorescent imaging for pathophysiological processes. Front Chem 2023; 11:1126309. [PMID: 36778034 PMCID: PMC9911449 DOI: 10.3389/fchem.2023.1126309] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Accepted: 01/16/2023] [Indexed: 01/28/2023] Open
Abstract
Hydrogen sulfide (H2S), as an important endogenous signaling molecule, plays a vital role in many physiological processes. The abnormal behaviors of hydrogen sulfide in organisms may lead to various pathophysiological processes. Monitoring the changes in hydrogen sulfide is helpful for pre-warning and treating these pathophysiological processes. Fluorescence imaging techniques can be used to observe changes in the concentration of analytes in organisms in real-time. Therefore, employing fluorescent probes imaging to investigate the behaviors of hydrogen sulfide in pathophysiological processes is vital. This paper reviews the design strategy and sensing mechanisms of hydrogen sulfide-based fluorescent probes, focusing on imaging applications in various pathophysiological processes, including neurodegenerative diseases, inflammation, apoptosis, oxidative stress, organ injury, and diabetes. This review not only demonstrates the specific value of hydrogen sulfide fluorescent probes in preclinical studies but also illuminates the potential application in clinical diagnostics.
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Affiliation(s)
- Tong-Tong Jia
- College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang, China
| | - Yuanyuan Zhang
- College of Food and Bioengineering, Henan University of Science and Technology, Luoyang, China
| | - Ji-Ting Hou
- National Engineering Research Center of Ophthalmology and Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou, China
| | - Huawei Niu
- College of Food and Bioengineering, Henan University of Science and Technology, Luoyang, China,*Correspondence: Huawei Niu, ; Shan Wang,
| | - Shan Wang
- Key Laboratory of Intelligent Treatment and Life Support for Critical Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China,*Correspondence: Huawei Niu, ; Shan Wang,
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Chaudhuri A, Singha T, Jena BC, Shee M, Datta PK, Mandal M, Singh NDP. A two-photon responsive hydroxyphenylquinazolinone (HPQ)-based fluorescent organic nanoprodrug for H 2S release against oxidative stress. Chem Commun (Camb) 2023; 59:1177-1180. [PMID: 36628583 DOI: 10.1039/d2cc05768a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Light-activated H2S donors have attracted considerable interest in understanding the physiological role and clinical potential of H2S, as their release is highly localized and controlled. Herein, we have evolved a new HPQ chromophore-based fluorescent organic nanosystem localized in a target area that tolerates oxidative stress and precisely releases H2S under one- and two-photon irradiation with real-time monitoring capability. The two-photon absorption cross-section of this new phototrigger was calculated to be 283 GM at 720 nm. H2S photorelease was also demonstrated in vitro on the MDA-MB-468 cell line in the presence of excess ROS. Our developed H2S nanoprodrug can be applied to living systems to release the H2S-gasotransmitter under laser irradiation in a phototherapeutic window.
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Affiliation(s)
- Amrita Chaudhuri
- Department of Chemistry, Indian Institute of Technology Kharagpur, 721302, West Bengal, India.
| | - Tara Singha
- Department of Physics, Indian Institute of Technology Kharagpur, 721302, West Bengal, India
| | - Bikash Chandra Jena
- School of Medical Science and Technology, Indian Institute of Technology Kharagpur, 721302, West Bengal, India
| | - Maniklal Shee
- Department of Chemistry, Indian Institute of Technology Kharagpur, 721302, West Bengal, India.
| | - Prasanta Kumar Datta
- Department of Physics, Indian Institute of Technology Kharagpur, 721302, West Bengal, India
| | - Mahitosh Mandal
- School of Medical Science and Technology, Indian Institute of Technology Kharagpur, 721302, West Bengal, India
| | - N D Pradeep Singh
- Department of Chemistry, Indian Institute of Technology Kharagpur, 721302, West Bengal, India.
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Strutynska N, Goshovska Y, Mys L, Strutynskyi R, Luchkova A, Fedichkina R, Okhai I, Korkach Y, Sagach V. Glutathione restores the mitochondrial redox status and improves the function of the cardiovascular system in old rats. Front Physiol 2023; 13:1093388. [PMID: 36699688 PMCID: PMC9868586 DOI: 10.3389/fphys.2022.1093388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Accepted: 12/22/2022] [Indexed: 01/11/2023] Open
Abstract
Introduction: Aging is accompanied by cardiovascular disorders which is associated with an imbalance of pro- and antioxidant systems, the mitochondrial dysfunction, etc. Glutathione (GSH) plays a critical role in protecting cells from oxidative damage. The aim of the work was to study the effect of exogenous glutathione on the redox status of mitochondria, the content of H2S and the function of the cardiovascular system in old rats. Methods: Experiments were performed on adult (6 months) and old (24 months) Wistar rats divided into three groups: adult, old and glutathionetreated old rats. Glutathione was injected intraperitoneally at a dose of 52 mg/kg. We investigated glutathione redox balance, H2S levels, oxidative stress, the opening of the mitochondrial permeability transition pore (mPTP), the resistance of isolated heart to ischemia/reperfusion in Langendorff model, endothelium-dependent vasorelaxation of isolated aortic rings, and cardiac levels of 3-MST, CSE, and UCP3 mRNA were determined using real-time PCR analysis. Results: Our data shows that in old rats treated with glutathione, the balance of its oxidized and reduced form changes in the direction of a significant increase (by 53.6%) of the reduced form. Glutathione pretreatment significantly increased the H2S levels, mtNOS activity, and UCP3 expression which considered as protective protein, and conversely, significantly decreased oxidative stress markers (the rate of O2•- generation, the levels of H2O2, diene conjugates and malone dialdehyde, in 2.5, 2.3, 2, and 1.6 times, respectively) in heart mitochondria. This was associated with the inhibition mitochondrial permeability transition pore opening and increased resistance of the isolated heart to ischemia/reperfusion in these animals. At the same time, in glutathione-treated old rats, we also observed restoration of endothelium-dependent vasorelaxation responses to acetylcholine, which were almost completely abolished by the NO-synthase inhibitor L-NAME. Conclusion: Thus, the pretreatment of old rats with glutathione restores the mitochondrial redox status and improves the function of the cardiovascular system.
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Affiliation(s)
- Nataliіa Strutynska
- Department of Blood Circulation, Bogomoletz Institute of Physiology, National Academy of Sciences of Ukraine, Kyiv, Ukraine
| | - Yulia Goshovska
- Department of Blood Circulation, Bogomoletz Institute of Physiology, National Academy of Sciences of Ukraine, Kyiv, Ukraine
| | - Lidiia Mys
- Department of Blood Circulation, Bogomoletz Institute of Physiology, National Academy of Sciences of Ukraine, Kyiv, Ukraine,*Correspondence: Lidiia Mys,
| | - Ruslan Strutynskyi
- Department of General and Molecular Pathophysiology, Bogomoletz Institute of Physiology, National Academy of Sciences of Ukraine, Kyiv, Ukraine
| | - Alina Luchkova
- Department of Blood Circulation, Bogomoletz Institute of Physiology, National Academy of Sciences of Ukraine, Kyiv, Ukraine
| | - Raisa Fedichkina
- Department of Blood Circulation, Bogomoletz Institute of Physiology, National Academy of Sciences of Ukraine, Kyiv, Ukraine
| | - Iryna Okhai
- Department of Blood Circulation, Bogomoletz Institute of Physiology, National Academy of Sciences of Ukraine, Kyiv, Ukraine
| | - Yuliia Korkach
- Department of Blood Circulation, Bogomoletz Institute of Physiology, National Academy of Sciences of Ukraine, Kyiv, Ukraine
| | - Vadym Sagach
- Department of Blood Circulation, Bogomoletz Institute of Physiology, National Academy of Sciences of Ukraine, Kyiv, Ukraine
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Lu W, Wen J. H 2S-mediated inhibition of RhoA/ROCK pathway and noncoding RNAs in ischemic stroke. Metab Brain Dis 2023; 38:163-176. [PMID: 36469178 DOI: 10.1007/s11011-022-01130-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 11/22/2022] [Indexed: 12/11/2022]
Abstract
Ischemic stroke is one of major causes of disability. In the pathological process of ischemic stroke, the up-regulation of Ras homolog gene family, member A (RhoA) and its downstream effector, Ras homolog gene family (Rho)-associated coiled coil-containing kinase (ROCK), contribute to the neuroinflammation, blood-brain barrier (BBB) dysfunction, neuronal apoptosis, axon growth inhibition and astrogliosis. Accumulating evidences have revealed that hydrogen sulphide (H2S) could reduce brain injury in animal model of ischemic stroke via inhibiting the RhoA/ROCK pathway. Recently, noncoding RNAs (ncRNAs) such as circular RNAs (circRNAs), long noncoding RNAs (lncRNAs) and microRNAs (miRNAs) have attracted much attention because of their essential role in adjusting gene expression both in physiological and pathological conditions. Numerous studies have uncovered the role of RhoA/ROCK pathway and ncRNAs in ischemic stroke. In this review, we focused on the role of H2S, RhoA/ROCK pathway and ncRNAs in ischemic stroke and aimed to reveal new strategies for preventing and treating this devastating disease.
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Affiliation(s)
- Weizhuo Lu
- Medical Branch, Hefei Technology College, Hefei, China
| | - Jiyue Wen
- Department of Pharmacology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China.
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57
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Rong F, Wang T, Zhou Q, Peng H, Yang J, Fan Q, Li P. Intelligent polymeric hydrogen sulfide delivery systems for therapeutic applications. Bioact Mater 2023; 19:198-216. [PMID: 35510171 PMCID: PMC9034248 DOI: 10.1016/j.bioactmat.2022.03.043] [Citation(s) in RCA: 27] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 03/17/2022] [Accepted: 03/29/2022] [Indexed: 12/21/2022] Open
Abstract
Hydrogen sulfide (H2S) plays an important role in regulating various pathological processes such as protecting mammalian cell from harmful injuries, promoting tissue regeneration, and regulating the process of various diseases caused by physiological disorders. Studies have revealed that the physiological effects of H2S are highly associated with its concentrations. At relatively low concentration, H2S shows beneficial functions. However, long-time and high-dose donation of H2S would inhibit regular biological process, resulting in cell dysfunction and apoptosis. To regulate the dosage of H2S delivery for precision medicine, H2S delivery systems with intelligent characteristics were developed and a variety of biocompatibility polymers have been utilized to establish intelligent polymeric H2S delivery systems, with the abilities to specifically target the lesions, smartly respond to pathological microenvironments, as well as real-timely monitor H2S delivery and lesion conditions by incorporating imaging-capable moieties. In this review, we focus on the design, preparation, and therapeutic applications of intelligent polymeric H2S delivery systems in cardiovascular therapy, inflammatory therapy, tissue regenerative therapy, cancer therapy and bacteria-associated therapy. Strategies for precise H2S therapies especially imaging-guided H2S theranostics are highlighted. Since H2S donors with stimuli-responsive characters are vital components for establishing intelligent H2S delivery systems, the development of H2S donors is also briefly introduced. H2S is an endogenous gasotransmitter that plays important role in regulating various physiological and pathological pathways. Controlled H2S delivery is vital since the therapeutic effects of H2S are highly associated with its concentrations. Intelligent polymeric H2S delivery systems possess specific targeting, stimuli responsive and imaging guided capabilities, representing a strategic option for next generation of therapies.
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58
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Xi Y, Zhang Y, Zhou Y, Liu Q, Chen X, Liu X, Grune T, Shi L, Hou M, Liu Z. Effects of methionine intake on cognitive function in mild cognitive impairment patients and APP/PS1 Alzheimer's Disease model mice: Role of the cystathionine-β-synthase/H 2S pathway. Redox Biol 2022; 59:102595. [PMID: 36608589 PMCID: PMC9813720 DOI: 10.1016/j.redox.2022.102595] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 12/27/2022] [Accepted: 12/28/2022] [Indexed: 12/31/2022] Open
Abstract
As a dietary intervention, methionine restriction (MR) has been reported to increase longevity and improve metabolism disorders. However, the effects of MR on alleviating neurodegenerative diseases such as Alzheimer's disease (AD) are largely unexplored. Here we sought to investigate the neuroprotective effects of low methionine intake in mild cognitive impairment (MCI) patients and APP/PS1 AD model mice, and to uncover the underlying mechanisms. In a cohort composed of 45 individuals diagnosed with MCI and 61 healthy controls without cognitive impairment, methionine intake was found to be positively associated with the increased risk of MCI, where no sex differences were observed. We further conducted a 16-week MR intervention (0.17% methionine, w/w) on APP/PS1 AD model mice. Although MR reduced Aβ accumulation in the brain of both male and female APP/PS1 mice, MR improved cognitive function only in male mice, as assessed by the Morris water maze test. Consistently, MR restored synapse ultrastructure and alleviated mitochondrial dysfunction by enhancing mitochondrial biogenesis in the brain of male APP/PS1 mice. Importantly, MR effectively balanced the redox status and activated cystathionine-β-synthase (CBS)/H2S pathway in the brain of male APP/PS1 mice. Together, our study indicated that lower dietary methionine intake is associated with improved cognitive function, in which CBS/H2S pathway plays an essential role. MR could be a promising nutritional intervention for preventing AD development.
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Affiliation(s)
- Yujia Xi
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Yuyu Zhang
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Yiwen Zhou
- School of Public Health, College of Medicine, Shanghai Jiaotong University, Shanghai, 200025, China
| | - Qing Liu
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Xuhui Chen
- Department of Neurology, Peking University Shenzhen Hospital, Shenzhen, 518000, China
| | - Xuebo Liu
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Tilman Grune
- German Institute of Human Nutrition (DIfE) Potsdam-Rehbruecke, Department of Molecular Toxicology, Arthur-Scheunert-Allee 114-116, 14558, Nuthetal, Germany
| | - Lin Shi
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Shaanxi, 710119, China.
| | - Min Hou
- School of Public Health, College of Medicine, Shanghai Jiaotong University, Shanghai, 200025, China.
| | - Zhigang Liu
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, China; German Institute of Human Nutrition (DIfE) Potsdam-Rehbruecke, Department of Molecular Toxicology, Arthur-Scheunert-Allee 114-116, 14558, Nuthetal, Germany; Northwest A&F University, Shenzhen Research Institute, Shenzen, Guangdong, 518000, China.
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Chen H, Guan X, Liu Q, Yang L, Guo J, Gao F, Qi Y, Wu X, Zhang F, Tian X. Co-assembled Nanocarriers of De Novo Thiol-Activated Hydrogen Sulfide Donors with an RGDFF Pentapeptide for Targeted Therapy of Non-Small-Cell Lung Cancer. ACS APPLIED MATERIALS & INTERFACES 2022; 14:53475-53490. [PMID: 36413755 DOI: 10.1021/acsami.2c14570] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Hydrogen sulfide releasing agents (or H2S donors) have been recognized gasotransmitters with potent cytoprotective and anticancer properties. However, the clinical application of H2S donors has been hampered by their fast H2S-release, instability, and lack of tumor targeting, despite the unclear molecular mechanism of H2S action. Here we rationally designed an amphiphilic pentapeptide (RGDFF) to coassemble with the de novo designed thiol-activated H2S donors (CL2/3) into nanocarriers for targeted therapy of non-small-cell lung cancer, which has been proved as a one-stone-three-birds strategy. The coassembly approach simply solved the solubility issue of CL2/3 by the introduction of electron-donating groups (phenyl rings) to slow down the H2S release while dramatically improving their biocompatible interface, circulation time, slow release of H2S, and tumor targeting. Experimental results confirmed that as-prepared coassembled nanocarriers can significantly induce the intrinsic apoptotic, effectively arrest cell cycle at the G2/M phase, inhibit H2S-producing enzymes, and lead to mitochondrial dysfunction by increasing intracellular ROS production in H1299 cells. The mouse tumorigenesis experiments further confirmed the in vivo anticancer effects of the coassembled nanocarriers, and such treatment made tumors more sensitive to radiotherapy then improved the prognosis of tumor-bearing mice, which holds great promise for developing a new combined approach for NSCLC.
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Affiliation(s)
- Hong Chen
- The School of Biomedical Engineering, Guangzhou Medical University, Xinzao Town, Panyu District, Guangzhou 511436, China
- Luoyang Key Laboratory of Organic Functional Molecules, College of Food and Drug, Luoyang Normal University, Luoyang 471934, China
| | - Xiaoying Guan
- The School of Biomedical Engineering, Guangzhou Medical University, Xinzao Town, Panyu District, Guangzhou 511436, China
| | - Qianqian Liu
- The Emergency Department, The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan 511518, China
| | - Longcui Yang
- The School of Biomedical Engineering, Guangzhou Medical University, Xinzao Town, Panyu District, Guangzhou 511436, China
| | - Jun Guo
- Key Laboratory of Optical Technology and Instrument for Medicine, Ministry of Education, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Feng Gao
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325001, Wenzhou 325000, China
| | - Yueheng Qi
- Luoyang Key Laboratory of Organic Functional Molecules, College of Food and Drug, Luoyang Normal University, Luoyang 471934, China
| | - Xiongting Wu
- Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 510120, China
| | - Feng Zhang
- The School of Biomedical Engineering, Guangzhou Medical University, Xinzao Town, Panyu District, Guangzhou 511436, China
- Key Laboratory of Optical Technology and Instrument for Medicine, Ministry of Education, University of Shanghai for Science and Technology, Shanghai 200093, China
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325001, Wenzhou 325000, China
| | - Xiumei Tian
- The School of Biomedical Engineering, Guangzhou Medical University, Xinzao Town, Panyu District, Guangzhou 511436, China
- The Emergency Department, The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan 511518, China
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Mohammadzadeh A, Gol A. Synergistic properties of garlic and Citrullus colocynthis on reproductive injury caused by diabetes in male rats: Structural and molecular evidence. J Food Biochem 2022; 46:e14467. [PMID: 36219760 DOI: 10.1111/jfbc.14467] [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: 07/22/2022] [Revised: 09/20/2022] [Accepted: 09/24/2022] [Indexed: 01/14/2023]
Abstract
This study evaluates the synergistic effect of garlic and Citrullus colocynthis on diabetic reproductive damage by suppressing the AGEs/RAGE/Nox-4 signaling pathway. Thirty-five male Wistar rats were divided into five groups (n = 7/group): Control, Diabetic, Diabetic+G (Garlic, 1 mL/100 g b.w), Diabetic+C (C. colocynthis, 10 mg/kg b.w) and Diabetic+GC (Garlic, 1 mL/100 g b.w and C. colocynthis, 10 mg/kg b.w) groups. At the end of the experimental period (30 days), in diabetic rats, glucose increased, and body & testis weight, luteinizing hormone (LH) and testosterone levels, and sperm count decreased significantly and histopathological injuries were observed. In addition, they have increased testicular apoptosis and oxidative stress. Also, the mechanism based on advanced glycation end products (AGEs)/receptors for advanced glycation end products (RAGE)/NADPH oxidase-4 (Nox-4) was activated in diabetic rats. Separate consumption of garlic and C. colocynthis in Diabetic+G and Diabetic+C groups alleviated the negative adverse effect of diabetes to some extent, but when they were used in the combination form (Diabetic+GC) improvement was profound. Testis histopathology, increased body and testis weight, and enhanced capacity in protecting diabetic reproductive injury was seen. Decreases in testosterone and LH concentration and sperm count in diabetic rats were also reversed by combined administration of garlic and C. colocynthis. It regulated oxidative stress markers, meanwhile reducing caspase-3 immunoexpression. In addition, overexpression of RAGE, Nox-4 and nuclear transcription factor-κB (NF-κB) was inhibited by the combination of garlic and C. colocynthis. PRACTICAL APPLICATIONS: Diabetes mellitus is wide spread all around the world with variety of complications in body including reproductive system in which patients suffer from physical and psychological aspects. Despite many efforts in providing agents for controlling diabetes and its complications, economic conditions of some countries make it difficult for people to provide costly medicine and as a result, they have to bear the complications until they pass away. However, traditional medicine is still finding its way, especially in poor countries with emphasis on medicinal plants. There have been many studies on plants to alleviate diabetes or its side effects. But, using one plant for long term, may be not so effective. Here, we attempted to find whether two plants from two different species can show more efficacy than each one alone. We noticed garlic and Citrullus colocynthis despite having beneficial effects when used alone, they could show synergistic effects in combination.
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Affiliation(s)
- Aghileh Mohammadzadeh
- Department of Biology, Faculty of Science, Shahid Bahonar University of Kerman, Kerman, Iran
| | - Ali Gol
- Department of Biology, Faculty of Science, Shahid Bahonar University of Kerman, Kerman, Iran
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61
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On-demand therapeutic delivery of hydrogen sulfide aided by biomolecules. J Control Release 2022; 352:586-599. [PMID: 36328076 DOI: 10.1016/j.jconrel.2022.10.055] [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: 07/27/2022] [Revised: 10/22/2022] [Accepted: 10/26/2022] [Indexed: 11/06/2022]
Abstract
Hydrogen sulfide (H2S), known as the third gasotransmitter, exerts various physiological functions including cardiac protection, angiogenesis, anti-inflammatory, and anti-cancer capability. Given its promising therapeutic potential as well as severe perniciousness if improper use, the sustained and tunable H2S delivery systems are highly required for H2S-based gas therapy with enhanced bioactivity and reduced side effects. To this end, a series of stimuli-responsive compounds capable of releasing H2S (termed H2S donors) have been designed over the past two decades to mimic the endogenous generation of H2S and elucidate the biological functions. Further to improve the stability of H2S donors and achieve the targeted delivery, various delivery systems have been constructed. In this review, we focus on the recent advances of an emerging subset, biomolecular-based H2S delivery systems, which combine H2S donors with biomolecular vectors including polysaccharide, peptide, and protein. We demonstrated their basic structures, building strategies, and therapeutic applications respectively to unfold their inherent merits endued by biomolecules including biocompatibility, biodegradability as well as expansibility. The varied development potentials of biomolecular-based H2S delivery systems based on their specific properties are also discussed. At the end, brief future outlooks and upcoming challenges are presented as well.
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Fan K, Zhang S, Ni X, Shen S, Wang J, Sun W, Suo T, Liu H, Ni X, Liu H. KRAS G12D mutation eliminates reactive oxygen species through the Nrf2/CSE/H 2S axis and contributes to pancreatic cancer growth. Acta Biochim Biophys Sin (Shanghai) 2022; 54:1731-1739. [PMID: 36514219 PMCID: PMC9828102 DOI: 10.3724/abbs.2022173] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 02/09/2022] [Indexed: 11/11/2022] Open
Abstract
In pancreatic cancer, KRAS G12D can trigger pancreatic cancer initiation and development. Rapid tumor growth is often accompanied by excess intracellular reactive oxygen species (ROS) production, which is unfavorable to tumor. However, the regulation of intracellular ROS levels in KRAS mutant pancreatic cancer remains unclear. In this study, we establish BxPC3 stable cell strains expressing KRAS wild type (WT) and G12D mutation and find unchanged ROS levels despite higher glycolysis and proliferation viability in KRAS mutant cells than KRAS WT cells. The key hydrogen sulfide (H 2S)-generating enzyme cystathionine-γ-lyase (CSE) is upregulated in KRAS mutant BxPC3 cells, and its knockdown significantly increases intracellular ROS levels and decreases cell glycolysis and proliferation. Nuclear factor erythroid 2-related factor 2 (Nrf2) is activated by KRAS mutation to promote CSE transcription. An Nrf2 binding site (‒47/‒39 bp) in the CSE promoter is verified. CSE overexpression and the addition of NaHS after Nrf2 knockdown or inhibition by brusatol decreases ROS levels and rescues cell proliferation. Our study reveals the regulatory mechanism of intracellular ROS levels in KRAS mutant pancreatic cancer cells, which provides a potential target for pancreatic cancer therapy.
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Affiliation(s)
- Kun Fan
- Department of General SurgeryCentral Hospital of Xuhui DistrictShanghai200032China
- Department of General SurgeryZhongshan HospitalFudan UniversityShanghai200032China
- Biliary Tract Disease Center of Zhongshan HospitalFudan UniversityShanghai200032China
- Biliary Tract Disease InstituteFudan UniversityShanghai200032China
- Cancer CenterZhongshan HospitalFudan UniversityShanghai200032China
| | - Shulong Zhang
- Department of General SurgeryCentral Hospital of Xuhui DistrictShanghai200032China
| | - Xiaojian Ni
- Department of General SurgeryZhongshan HospitalFudan UniversityShanghai200032China
- Biliary Tract Disease Center of Zhongshan HospitalFudan UniversityShanghai200032China
- Biliary Tract Disease InstituteFudan UniversityShanghai200032China
- Cancer CenterZhongshan HospitalFudan UniversityShanghai200032China
| | - Sheng Shen
- Department of General SurgeryCentral Hospital of Xuhui DistrictShanghai200032China
- Department of General SurgeryZhongshan HospitalFudan UniversityShanghai200032China
- Biliary Tract Disease Center of Zhongshan HospitalFudan UniversityShanghai200032China
- Biliary Tract Disease InstituteFudan UniversityShanghai200032China
- Cancer CenterZhongshan HospitalFudan UniversityShanghai200032China
| | - Jiwen Wang
- Department of General SurgeryZhongshan HospitalFudan UniversityShanghai200032China
- Biliary Tract Disease Center of Zhongshan HospitalFudan UniversityShanghai200032China
- Biliary Tract Disease InstituteFudan UniversityShanghai200032China
- Cancer CenterZhongshan HospitalFudan UniversityShanghai200032China
| | - Wentao Sun
- Department of General SurgeryZhongshan HospitalFudan UniversityShanghai200032China
- Biliary Tract Disease Center of Zhongshan HospitalFudan UniversityShanghai200032China
- Biliary Tract Disease InstituteFudan UniversityShanghai200032China
- Cancer CenterZhongshan HospitalFudan UniversityShanghai200032China
| | - Tao Suo
- Department of General SurgeryZhongshan HospitalFudan UniversityShanghai200032China
- Biliary Tract Disease Center of Zhongshan HospitalFudan UniversityShanghai200032China
- Biliary Tract Disease InstituteFudan UniversityShanghai200032China
- Cancer CenterZhongshan HospitalFudan UniversityShanghai200032China
| | - Han Liu
- Department of General SurgeryZhongshan HospitalFudan UniversityShanghai200032China
- Biliary Tract Disease Center of Zhongshan HospitalFudan UniversityShanghai200032China
- Biliary Tract Disease InstituteFudan UniversityShanghai200032China
- Cancer CenterZhongshan HospitalFudan UniversityShanghai200032China
| | - Xiaoling Ni
- Department of General SurgeryZhongshan HospitalFudan UniversityShanghai200032China
- Biliary Tract Disease Center of Zhongshan HospitalFudan UniversityShanghai200032China
- Biliary Tract Disease InstituteFudan UniversityShanghai200032China
- Cancer CenterZhongshan HospitalFudan UniversityShanghai200032China
| | - Houbao Liu
- Department of General SurgeryCentral Hospital of Xuhui DistrictShanghai200032China
- Department of General SurgeryZhongshan HospitalFudan UniversityShanghai200032China
- Biliary Tract Disease Center of Zhongshan HospitalFudan UniversityShanghai200032China
- Biliary Tract Disease InstituteFudan UniversityShanghai200032China
- Cancer CenterZhongshan HospitalFudan UniversityShanghai200032China
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63
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Zhou X, Chen Q, Guo C, Su Y, Guo H, Cao M, Liu Z, Zhang D, Diao N, Fan H, Chen D. CD44 Receptor-Targeted and Reactive Oxygen Species-Responsive H 2S Donor Micelles Based on Hyaluronic Acid for the Therapy of Renal Ischemia/Reperfusion Injury. ACS OMEGA 2022; 7:42339-42346. [PMID: 36440107 PMCID: PMC9686187 DOI: 10.1021/acsomega.2c05407] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 10/31/2022] [Indexed: 06/16/2023]
Abstract
For the therapy attenuating renal ischemia-reperfusion (IR) injury, a novel drug delivery system was urgently needed, which could precisely deliver drugs to the pathological renal tissue. Here, we have prepared new nanomaterials with a reactive oxygen species (ROS)-responsive hydrogen sulfide (H2S) donor and hyaluronic acid that targets CD44 receptor. The novel material was synthesized and characterized via related experiments. Then, rapamycin was loaded, which inhibited kidney damage. In the in vitro study, we found that the micelles had ROS-responsiveness, biocompatibility, and cell penetration. In addition, the experimental results showed that the intracellular H2S concentration after administration was threefold higher than that of the control group. The western blot assay revealed that they have anti-inflammatory effects via H2S donor blocking the NF-κB signaling pathway. Consequently, the rising CD44 receptor-targeting and ROS-sensitive H2S donor micelles would provide a promising way for renal IR injury. This work provides a strategy for improving ischemia/reperfusion injury for pharmaceuticals.
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Affiliation(s)
- Xiudi Zhou
- Collaborative
Innovation Center of Advanced Drug Delivery System and Biotech Drugs,
School of Pharmacy, Yantai University, Yantai264005, P. R. China
- Department
of Pharmacy, Binzhou People’s Hospital
Affiliated to Shandong First Medical University, China, Binzhou256600, P. R. China
| | - Qiang Chen
- Collaborative
Innovation Center of Advanced Drug Delivery System and Biotech Drugs,
School of Pharmacy, Yantai University, Yantai264005, P. R. China
| | - Chunjing Guo
- College
of Marine Life Science, Ocean University
of China, Qingdao266003, P. R. China
| | - Yanguo Su
- Collaborative
Innovation Center of Advanced Drug Delivery System and Biotech Drugs,
School of Pharmacy, Yantai University, Yantai264005, P. R. China
| | - Huimin Guo
- Collaborative
Innovation Center of Advanced Drug Delivery System and Biotech Drugs,
School of Pharmacy, Yantai University, Yantai264005, P. R. China
| | - Min Cao
- Collaborative
Innovation Center of Advanced Drug Delivery System and Biotech Drugs,
School of Pharmacy, Yantai University, Yantai264005, P. R. China
| | - Zhongxin Liu
- Collaborative
Innovation Center of Advanced Drug Delivery System and Biotech Drugs,
School of Pharmacy, Yantai University, Yantai264005, P. R. China
| | - Dandan Zhang
- Collaborative
Innovation Center of Advanced Drug Delivery System and Biotech Drugs,
School of Pharmacy, Yantai University, Yantai264005, P. R. China
| | - Ningning Diao
- Collaborative
Innovation Center of Advanced Drug Delivery System and Biotech Drugs,
School of Pharmacy, Yantai University, Yantai264005, P. R. China
| | - Huaying Fan
- Collaborative
Innovation Center of Advanced Drug Delivery System and Biotech Drugs,
School of Pharmacy, Yantai University, Yantai264005, P. R. China
| | - Daquan Chen
- Collaborative
Innovation Center of Advanced Drug Delivery System and Biotech Drugs,
School of Pharmacy, Yantai University, Yantai264005, P. R. China
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64
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Ranjbar T, Oza PP, Kashfi K. The Renin-Angiotensin-Aldosterone System, Nitric Oxide, and Hydrogen Sulfide at the Crossroads of Hypertension and COVID-19: Racial Disparities and Outcomes. Int J Mol Sci 2022; 23:ijms232213895. [PMID: 36430371 PMCID: PMC9699619 DOI: 10.3390/ijms232213895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 11/07/2022] [Accepted: 11/09/2022] [Indexed: 11/16/2022] Open
Abstract
Coronavirus disease 2019 is caused by SARS-CoV-2 and is more severe in the elderly, racial minorities, and those with comorbidities such as hypertension and diabetes. These pathologies are often controlled with medications involving the renin-angiotensin-aldosterone system (RAAS). RAAS is an endocrine system involved in maintaining blood pressure and blood volume through components of the system. SARS-CoV-2 enters the cells through ACE2, a membrane-bound protein related to RAAS. Therefore, the use of RAAS inhibitors could worsen the severity of COVID-19's symptoms, especially amongst those with pre-existing comorbidities. Although a vaccine is currently available to prevent and reduce the symptom severity of COVID-19, other options, such as nitric oxide and hydrogen sulfide, may also have utility to prevent and treat this virus.
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Affiliation(s)
- Tara Ranjbar
- Department of Molecular, Cellular and Biomedical Sciences, Sophie Davis School of Biomedical Education, City University of New York School of Medicine, New York, NY 10031, USA
| | - Palak P. Oza
- Department of Molecular, Cellular and Biomedical Sciences, Sophie Davis School of Biomedical Education, City University of New York School of Medicine, New York, NY 10031, USA
| | - Khosrow Kashfi
- Department of Molecular, Cellular and Biomedical Sciences, Sophie Davis School of Biomedical Education, City University of New York School of Medicine, New York, NY 10031, USA
- Graduate Program in Biology, City University of New York Graduate Center, New York, NY 10016, USA
- Correspondence:
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65
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Skeletal Muscle CSE Deficiency Leads to Insulin Resistance in Mice. Antioxidants (Basel) 2022; 11:antiox11112216. [PMID: 36358588 PMCID: PMC9687043 DOI: 10.3390/antiox11112216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 10/28/2022] [Accepted: 11/07/2022] [Indexed: 11/11/2022] Open
Abstract
Cystathionine-γ-lyase (CSE) is expressed in various tissues and generates H2S via an alternative desulfuration reaction. We sought to explore the functions of skeletal muscle CSE using skeletal muscle conditional knockout CSE (MCSEKO) mice. It was found that body weight, muscle morphology, and exercise capacity were not altered in MCSEKO mice compared with littermate wild-type mice. RNA-seq-based transcriptome analysis showed that 275 genes were differentially regulated in skeletal muscle and multiple signaling pathways including insulin signaling and mTOR, PI3K-AKT, and cGMP-PKG signaling pathways were enriched in MCSEKO mice. The intraperitoneal glucose tolerance test and insulin tolerance test showed that glucose tolerance and insulin sensitivity were reduced in MCSEKO mice. Glucose transporter 4 (GLU4) and PKG-1 expression levels and insulin receptor substrate-1(IRS1)/PI3K/Akt signaling pathway were downregulated whilst the mTOR/S6K/S6 pathway was enhanced in MCSEKO mice. These effects were reversed by the H2S supplement. Aerobic treadmill training significantly promoted glucose tolerance and insulin sensitivity and improved GLU4 and PKG-1 levels, promoted IRS1/PI3K/Akt signaling and suppressed mTOR/S6K/S6 signaling pathway in MCSEKO mice. Our data suggest that skeletal muscle CSE/H2S signaling is critical for the maintenance of insulin sensitivity, which is associated with maintaining the balance in PKG, PI3K/Akt, and mTOR/S6K/S6 signaling pathways in skeletal muscle.
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66
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Ahmad A. Prophylactic Treatment with Hydrogen Sulphide Can Prevent Renal Ischemia-Reperfusion Injury in L-NAME Induced Hypertensive Rats with Cisplatin-Induced Acute Renal Failure. Life (Basel) 2022; 12:1819. [PMID: 36362975 PMCID: PMC9695289 DOI: 10.3390/life12111819] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 11/01/2022] [Accepted: 11/03/2022] [Indexed: 08/26/2023] Open
Abstract
(Background and Objectives): Renal ischemia perfusion injury is one of the major issues in kidney transplant. The aim of the study was to investigate the hypothesis that prophylactic treatment-with a hydrogen sulphide donor to an acute renal failure case of hypertensive rats-can minimize the ischemia reperfusion injury of the kidney which is beneficial for kidney transplant. To check this hypothesis, the present study was designed to investigate the effect of chronic administration of a hydrogen sulphide (H2S) donor and sodium hydrosulfide (NaHS) on nuclear factor kappa B (NF-kB) and inter cellular adhesion molecule-1 (ICAM-1) concentration in non-renal failure (NRF) and acute renal failure (ARF) rats in the ischemia-reperfusion injury (IRI) model of the kidney in both normotensive WKY and hypertensive rats (L-nitro arginine methyl ester (L-NAME-induced); (Materials and Methods): A total number of 48 Sprague-Dawley rats were recruited into eight groups each consisting of six animals. Each of these eight groups was used to measure systemic and renal parameters, H2S, antioxidant parameters in plasma, plasma concentration of NF-kB and ICAM-1 and renal cortical blood pressure. ARF was induced by single intraperitoneal (i.p.) cisplatin injection (5 mg/kg). Hypertension was induced by oral administration of L-NAME in drinking water for four weeks at 40 mg/kg/day. NaHS was administered (i.p) at 56 µmol/kg for five weeks while dL-propargylglycine (PAG), a H2S generation inhibitor, was administered as a single intra-peritoneal injection (50 mg/kg). An acute surgical experiment was performed for the induction of renal ischemia for 30 min by renal artery clamping followed by reperfusion for three hours; (Results): Chronic administration of NaHS attenuated the severity of ARF in both normotensive and hypertensive animals (L-NAME) along with lowering the blood pressure in hypertensive groups. NaHS improved the oxidative stress parameters such as total superoxide dismutase (T-SOD), glutathione (GSH) and reduced the malondialdehyde (MDA) concentration along with reduction of NF-kB and ICAM-1 following renal IRI; Conclusions: These findings demonstrate that H2S not only reduced the severity of cisplatin induced ARF but also reduced the severity of renal IRI by upregulating antioxidants along with decreased concentrations of NF-kB and ICAM-1 in normotensive and L-NAME induced hypertensive rats.
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Affiliation(s)
- Ashfaq Ahmad
- Department of Pharmacy Practice, College of Pharmacy, University of Hafr Al Batin, Hafr Al Batin 39524, Saudi Arabia
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67
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Rao SP, Xie W, Christopher Kwon YI, Juckel N, Xie J, Dronamraju VR, Vince R, Lee MK, More SS. Sulfanegen stimulates 3-mercaptopyruvate sulfurtransferase activity and ameliorates Alzheimer's disease pathology and oxidative stress in vivo. Redox Biol 2022; 57:102484. [PMID: 36183541 PMCID: PMC9530613 DOI: 10.1016/j.redox.2022.102484] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 08/31/2022] [Accepted: 09/19/2022] [Indexed: 02/08/2023] Open
Abstract
Increased oxidative stress and inflammation are implicated in the pathogenesis of Alzheimer's disease. Treatment with hydrogen sulfide (H2S) and H2S donors such as sodium hydrosulfide (NaSH) can reduce oxidative stress in preclinical studies, however clinical benefits of such treatments are rather ambiguous. This is partly due to poor stability and bioavailability of the H2S donors, requiring impractically large doses that are associated with dose-limiting toxicity. Herein, we identified a bioavailable 3-mercaptopyruvate prodrug, sulfanegen, which is able to pose as a sacrificial redox substrate for 3-mercaptopyruvate sulfurtransferase (3MST), one of the H2S biosynthetic enzymes in the brain. Sulfanegen is able to mitigate toxicity emanating from oxidative insults and the Aβ1-42 peptide by releasing H2S through the 3MST pathway. When administered to symptomatic transgenic mouse model of AD (APP/PS1; 7 and 12 months) and mice that were intracerebroventricularly administered with the Aβ1-42 peptide, sulfanegen was able to reverse oxidative and neuroinflammatory consequences of AD pathology by restoring 3MST function. Quantitative neuropathological analyses confirmed significant disease modifying effect of the compound on amyloid plaque burden and brain inflammatory markers. More importantly, sulfanegen treatment attenuated progressive neurodegeneration in these mice, as evident from the restoration of TH+ neurons in the locus coeruleus. This study demonstrates a previously unknown concept that supplementation of 3MST function in the brain may be a viable approach for the management of AD. Finally, brought into the spotlight is the potential of sulfanegen as a promising AD therapeutic for future drug development efforts.
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Affiliation(s)
- Swetha Pavani Rao
- Center for Drug Design, College of Pharmacy, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Wei Xie
- Center for Drug Design, College of Pharmacy, University of Minnesota, Minneapolis, MN, 55455, USA
| | | | - Nicholas Juckel
- Department of Neuroscience, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Jiashu Xie
- Center for Drug Design, College of Pharmacy, University of Minnesota, Minneapolis, MN, 55455, USA
| | | | - Robert Vince
- Center for Drug Design, College of Pharmacy, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Michael K Lee
- Department of Neuroscience, University of Minnesota, Minneapolis, MN, 55455, USA; Institute for Translational Neuroscience, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Swati S More
- Center for Drug Design, College of Pharmacy, University of Minnesota, Minneapolis, MN, 55455, USA.
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68
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Oza PP, Kashfi K. Utility of NO and H 2S donating platforms in managing COVID-19: Rationale and promise. Nitric Oxide 2022; 128:72-102. [PMID: 36029975 PMCID: PMC9398942 DOI: 10.1016/j.niox.2022.08.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 08/01/2022] [Accepted: 08/10/2022] [Indexed: 01/08/2023]
Abstract
Viral infections are a continuing global burden on the human population, underscored by the ramifications of the COVID-19 pandemic. Current treatment options and supportive therapies for many viral infections are relatively limited, indicating a need for alternative therapeutic approaches. Virus-induced damage occurs through direct infection of host cells and inflammation-related changes. Severe cases of certain viral infections, including COVID-19, can lead to a hyperinflammatory response termed cytokine storm, resulting in extensive endothelial damage, thrombosis, respiratory failure, and death. Therapies targeting these complications are crucial in addition to antiviral therapies. Nitric oxide and hydrogen sulfide are two endogenous gasotransmitters that have emerged as key signaling molecules with a broad range of antiviral actions in addition to having anti-inflammatory properties and protective functions in the vasculature and respiratory system. The enhancement of endogenous nitric oxide and hydrogen sulfide levels thus holds promise for managing both early-stage and later-stage viral infections, including SARS-CoV-2. Using SARS-CoV-2 as a model for similar viral infections, here we explore the current evidence regarding nitric oxide and hydrogen sulfide's use to limit viral infection, resolve inflammation, and reduce vascular and pulmonary damage.
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Affiliation(s)
- Palak P Oza
- Department of Molecular, Cellular and Biomedical Sciences, Sophie Davis School of Biomedical Education, City University of New York School of Medicine, New York, NY, 10031, USA
| | - Khosrow Kashfi
- Department of Molecular, Cellular and Biomedical Sciences, Sophie Davis School of Biomedical Education, City University of New York School of Medicine, New York, NY, 10031, USA; Graduate Program in Biology, City University of New York Graduate Center, New York, 10091, USA.
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69
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Huang P, Yue Y, Yin C, Huo F. Design of Dual‐responsive ROS/RSS Fluorescent Probes and Their Application in Bioimaging. Chem Asian J 2022; 17:e202200907. [DOI: 10.1002/asia.202200907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 10/03/2022] [Indexed: 11/06/2022]
Affiliation(s)
- Pei Huang
- Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Institute of Molecular Science Shanxi University Taiyuan 030006 P. R. China
| | - Yongkang Yue
- Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Institute of Molecular Science Shanxi University Taiyuan 030006 P. R. China
| | - Caixia Yin
- Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Institute of Molecular Science Shanxi University Taiyuan 030006 P. R. China
| | - Fangjun Huo
- Research Institute of Applied Chemistry Shanxi University Taiyuan 030006 P. R. China
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70
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Deodorized Garlic Decreases Oxidative Stress Caused by Lipopolysaccharide in Rat Heart through Hydrogen Sulfide: Preliminary Findings. Int J Mol Sci 2022; 23:ijms232012529. [PMID: 36293383 PMCID: PMC9604113 DOI: 10.3390/ijms232012529] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 10/08/2022] [Accepted: 10/15/2022] [Indexed: 01/05/2023] Open
Abstract
Deodorized garlic (DG) may favor the activity of the antioxidant enzymes and promote the synthesis of hydrogen sulfide (H2S). The objective was to test if DG favors an increase in H2S and if it decreases the oxidative stress caused by lipopolysaccharide (LPS) in rat hearts. A total of 24 rats were divided into 4 groups: Group 1 control (C), Group 2 LPS, Group 3 DG, and Group 4 LPS plus DG. The cardiac mechanical performance (CMP), coronary vascular resistance (CVR), and oxidative stress markers, such as total antioxidant capacity (TAC), glutathione (GSH), selenium (Se), lipid peroxidation (LPO), thiols, hydrogen sulfide (H2S), and the activities and expressions of thioredoxin reductase (TrxR), glutathione peroxidase (GPx), and glutathione-S-transferase (GST), cystathionine synthetase (CBS), cystathionine γ-lyase (CTH), iNOS, and eNOS-p, were analyzed in the heart. Infarct zones in the cardiac tissue were present (p = 0.01). The CMP and CVR decreased and increased (p ≤ 0.05), TAC, GSH, H2S, NO, thiols, and GST activity (p ≤ 0.01) decreased, and LPO and iNOS increased (p ≤ 0.05). The activities and expressions of TrxR, GPx, eNOS-p, CTH, and CBS (p ≤ 0.05) decreased with the LPS treatment; however, DG normalized this effect. DG treatment decreases heart damage caused by LPS through the cross-talk between the H2S and NO systems.
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71
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Kožich V, Schwahn BC, Sokolová J, Křížková M, Ditroi T, Krijt J, Khalil Y, Křížek T, Vaculíková-Fantlová T, Stibůrková B, Mills P, Clayton P, Barvíková K, Blessing H, Sykut-Cegielska J, Dionisi-Vici C, Gasperini S, García-Cazorla Á, Haack TB, Honzík T, Ješina P, Kuster A, Laugwitz L, Martinelli D, Porta F, Santer R, Schwarz G, Nagy P. Human ultrarare genetic disorders of sulfur metabolism demonstrate redundancies in H 2S homeostasis. Redox Biol 2022; 58:102517. [PMID: 36306676 PMCID: PMC9615310 DOI: 10.1016/j.redox.2022.102517] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 10/17/2022] [Accepted: 10/17/2022] [Indexed: 11/06/2022] Open
Abstract
Regulation of H2S homeostasis in humans is poorly understood. Therefore, we assessed the importance of individual enzymes in synthesis and catabolism of H2S by studying patients with respective genetic defects. We analyzed sulfur compounds (including bioavailable sulfide) in 37 untreated or insufficiently treated patients with seven ultrarare enzyme deficiencies and compared them to 63 controls. Surprisingly, we observed that patients with severe deficiency in cystathionine β-synthase (CBS) or cystathionine γ-lyase (CSE) - the enzymes primarily responsible for H2S synthesis - exhibited increased and normal levels of bioavailable sulfide, respectively. However, an approximately 21-fold increase of urinary homolanthionine in CBS deficiency strongly suggests that lacking CBS activity is compensated for by an increase in CSE-dependent H2S synthesis from accumulating homocysteine, which suggests a control of H2S homeostasis in vivo. In deficiency of sulfide:quinone oxidoreductase - the first enzyme in mitochondrial H2S oxidation - we found normal H2S concentrations in a symptomatic patient and his asymptomatic sibling, and elevated levels in an asymptomatic sibling, challenging the requirement for this enzyme in catabolizing H2S under physiological conditions. Patients with ethylmalonic encephalopathy and sulfite oxidase/molybdenum cofactor deficiencies exhibited massive accumulation of thiosulfate and sulfite with formation of large amounts of S-sulfocysteine and S-sulfohomocysteine, increased renal losses of sulfur compounds and concomitant strong reduction in plasma total cysteine. Our results demonstrate the value of a comprehensive assessment of sulfur compounds in severe disorders of homocysteine/cysteine metabolism and provide evidence for redundancy and compensatory mechanisms in the maintenance of H2S homeostasis. Cystathionine γ-lyase can compensate for decreased H2S synthesis in cystathionine β-synthase deficiency. Sulfide:quinone oxidoreductase deficiency is compatible with normal H2S plasma levels under non-stressed conditions. Persulfide dioxygenase deficiency (ethylmalonic encephalopathy) causes the largest accumulation of H2S among disorders of sulfur metabolism. Excess sulfite forms S-sulfocysteine and S-sulfohomocysteine, and interferes with vitamin B6 metabolism. S-sulfocysteine correlates directly with sulfite and is a stable biomarker of sulfite accumulation.
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Affiliation(s)
- Viktor Kožich
- Department of Pediatrics and Inherited Metabolic Disorders, Charles University-First Faculty of Medicine and General University Hospital in Prague, Prague, Czech Republic,Corresponding author. Department of Pediatrics and Inherited Metabolic Disorders, Charles University, Medicine and General University Hospital in Prague, Ke Karlovu 2, 128 08, Praha 2, Czech Republic.
| | - Bernd C Schwahn
- Manchester Centre for Genomic Medicine, St Mary's Hospital, Manchester University NHS Foundation Trust, Health Innovation Manchester, Manchester, United Kingdom
| | - Jitka Sokolová
- Department of Pediatrics and Inherited Metabolic Disorders, Charles University-First Faculty of Medicine and General University Hospital in Prague, Prague, Czech Republic
| | - Michaela Křížková
- Department of Pediatrics and Inherited Metabolic Disorders, Charles University-First Faculty of Medicine and General University Hospital in Prague, Prague, Czech Republic
| | - Tamas Ditroi
- Department of Molecular Immunology and Toxicology and the National Tumor Biology Laboratory, National Institute of Oncology, Budapest, Hungary
| | - Jakub Krijt
- Department of Pediatrics and Inherited Metabolic Disorders, Charles University-First Faculty of Medicine and General University Hospital in Prague, Prague, Czech Republic
| | - Youssef Khalil
- Genetics & Genomic Medicine Department, UCL GOS Institute of Child Health, London, UK
| | - Tomáš Křížek
- Department of Analytical Chemistry, Faculty of Science, Charles University, Prague, Czech Republic
| | - Tereza Vaculíková-Fantlová
- Department of Pediatrics and Inherited Metabolic Disorders, Charles University-First Faculty of Medicine and General University Hospital in Prague, Prague, Czech Republic
| | - Blanka Stibůrková
- Department of Pediatrics and Inherited Metabolic Disorders, Charles University-First Faculty of Medicine and General University Hospital in Prague, Prague, Czech Republic,Institute of Rheumatology, Prague, Czech Republic
| | - Philippa Mills
- Genetics & Genomic Medicine Department, UCL GOS Institute of Child Health, London, UK
| | - Peter Clayton
- Genetics & Genomic Medicine Department, UCL GOS Institute of Child Health, London, UK
| | - Kristýna Barvíková
- Department of Pediatrics and Inherited Metabolic Disorders, Charles University-First Faculty of Medicine and General University Hospital in Prague, Prague, Czech Republic
| | - Holger Blessing
- Kinder- und Jugendklinik, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Jolanta Sykut-Cegielska
- Department of Inborn Errors of Metabolism and Pediatrics, The Institute of Mother and Child, Warsaw, Poland
| | - Carlo Dionisi-Vici
- Division of Metabolism, Bambino Gesù Children's Hospital IRCCS, Rome, Italy
| | - Serena Gasperini
- Metabolic Rare Diseases Unit, Department of Pediatrics, Fondazione MBBM, San Gerardo Hospital, Monza, Italy
| | - Ángeles García-Cazorla
- Inborn Errors of Metabolism Unit, Institut de Recerca Sant Joan de Déu and CIBERER-ISCIII, Barcelona, Spain
| | - Tobias B Haack
- Institute of Medical Genetics and Applied Genomics, University of Tübingen, Tübingen, Germany
| | - Tomáš Honzík
- Department of Pediatrics and Inherited Metabolic Disorders, Charles University-First Faculty of Medicine and General University Hospital in Prague, Prague, Czech Republic
| | - Pavel Ješina
- Department of Pediatrics and Inherited Metabolic Disorders, Charles University-First Faculty of Medicine and General University Hospital in Prague, Prague, Czech Republic
| | - Alice Kuster
- Center for Inborn Errors of Metabolism, Pediatric Intensive Care Unit, University Hospital of Nantes, Nantes, France
| | - Lucia Laugwitz
- Institute of Medical Genetics and Applied Genomics, University of Tübingen, Tübingen, Germany,Department of Neuropediatrics, Developmental Neurology and Social Pediatrics, University of Tübingen, Tübingen, Germany
| | - Diego Martinelli
- Division of Metabolism, Bambino Gesù Children's Hospital IRCCS, Rome, Italy
| | - Francesco Porta
- Department of Pediatrics, Metabolic diseases, AOU Città della Salute e della Scienza, University of Torino, Torino, Italy
| | - René Santer
- Department of Pediatrics, University Medical Centre Eppendorf, Hamburg, Germany
| | - Guenter Schwarz
- Institute of Biochemistry, Department of Chemistry, University of Cologne, Cologne, Germany,Corresponding author. Institute of Biochemistry, Department of Chemistry, University of Cologne, Zuelpicher Str. 4750674, Koeln, Germany.
| | - Peter Nagy
- Department of Molecular Immunology and Toxicology and the National Tumor Biology Laboratory, National Institute of Oncology, Budapest, Hungary,Department of Anatomy and Histology, ELKH-ÁTE Laboratory of Redox Biology, University of Veterinary Medicine, Budapest, Hungary,Chemistry Institute, University of Debrecen, Debrecen, Hungary,Corresponding author. Department of Molecular Immunology and Toxicology, National Institute of Oncology, 1122 Budapest, Ráth György u. 7-9., Hungary.
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72
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Mitochondria-targeted cyclometalated iridium (III) complex for H 2S-responsive intracellular redox regulation as potent photo-oxidation anticancer agent. J Biol Inorg Chem 2022; 27:641-651. [PMID: 36058946 DOI: 10.1007/s00775-022-01957-0] [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: 04/19/2022] [Accepted: 08/18/2022] [Indexed: 10/14/2022]
Abstract
Owing to the safety and low toxicity, photodynamic therapy (PDT) for cancer treatment has received extensive attention. However, the excess H2S in cancer cells reduces the PDT efficiency, because H2S indirectly depletes the reactive oxygen species (ROS). To improve anticancer efficiency, a mitochondria-targeted iridium(III) complex Ir-MMB has been developed as H2S consumer and photo-oxidation anticancer agent. On the one hand, complex Ir-MMB can consume H2S with sensitive phosphorescence turn-on, which has been successfully applied to exogenous and endogenous H2S response imaging in living cells. On the other hand, Ir-MMB can enhance its anticancer activity and cause photo-oxidation damage via catalyzing the oxidation of reduced form of nicotinamide-adenine dinucleotide (NADH) to NAD+ and producing H2O2 under light, and ultimately results in cell apoptosis through mitochondrial depolarization and ROS production.
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73
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AP39, a Mitochondrial-Targeted H2S Donor, Improves Porcine Islet Survival in Culture. J Clin Med 2022; 11:jcm11185385. [PMID: 36143032 PMCID: PMC9504761 DOI: 10.3390/jcm11185385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 08/26/2022] [Accepted: 09/10/2022] [Indexed: 11/17/2022] Open
Abstract
The rapid deterioration of transplanted islets in culture is a well-established phenomenon. We recently reported that pancreas preservation with AP39 reduces reactive oxygen species (ROS) production and improves islet graft function. In this study, we investigated whether the addition of AP39 to the culture medium could reduce isolated islet deterioration and improve islet function. Isolated islets from porcine pancreata were cultured with 400 nM AP39 or without AP39 at 37 °C. After culturing for 6–72 h, the islet equivalents of porcine islets in the AP39(+) group were significantly higher than those in the AP39(−) group. The islets in the AP39(+) group exhibited significantly decreased levels of ROS production compared to the islets in the AP39(−) group. The islets in the AP39(+) group exhibited significantly increased mitochondrial membrane potential compared to the islets in the AP39(−) group. A marginal number (1500 IEs) of cultured islets from each group was then transplanted into streptozotocin-induced diabetic mice. Culturing isolated islets with AP39 improved islet transplantation outcomes in streptozotocin-induced diabetic mice. The addition of AP39 in culture medium reduces islet deterioration and furthers the advancements in β-cell replacement therapy.
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Liang Z, Miao Y, Teng X, Xiao L, Guo Q, Xue H, Tian D, Jin S, Wu Y. Hydrogen Sulfide Inhibits Ferroptosis in Cardiomyocytes to Protect Cardiac Function in Aging Rats. Front Mol Biosci 2022; 9:947778. [PMID: 35936785 PMCID: PMC9355033 DOI: 10.3389/fmolb.2022.947778] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Accepted: 06/22/2022] [Indexed: 12/11/2022] Open
Abstract
Aging contributes significantly to cardiovascular diseases and cardiac dysfunction. To explore the reasons for the decline in cardiac function in the elderly, we collected clinical data and blood samples from 231 individuals. Our results indicated that aging was accompanied by a decline in cardiac function and remodeling of the left ventricle, and cardiac function was negatively correlated with age. Serum hydrogen sulfide (H2S) decreased, while serum malondialdehyde (MDA) and iron increased with aging in healthy individuals. A rat model of aging and iron overload was constructed for in vivo research. In the animal model, we found that the expression of endogenous H2S-producing enzymes decreased, and endogenous H2S levels decreased, while oxidative stress levels rose. The regulation of iron metabolism and the maintenance of iron homeostasis declined. The accumulation of MDA and iron led to ferroptotic cell death and subsequent myocardial injury and deterioration. A high-iron diet accelerated the aging process and death in rats. The decline of cardiac function in aging rats and iron-overload rats may be caused by cardiomyocyte ferroptosis. Exogenous H2S enhanced the expression of endogenous H2S synthase, promoted endogenous H2S production, regulated iron metabolism, and reduced oxidative stress levels. The protective effects of H2S on cardiac function in aging rats and iron-overload rats may be partly due to the inhibition of cardiomyocyte ferroptosis. We demonstrated that cardiac dysfunction associated with aging was closely related to decreased endogenous H2S levels and cardiomyocyte ferroptosis. H2S-regulated iron metabolism reduced oxidative stress levels in cardiomyocytes, inhibited cardiomyocyte ferroptosis, and protected cardiac function in aging rats.
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Affiliation(s)
- Zihui Liang
- Department of Physiology, Hebei Medical University, Shijiazhuang, China
| | - Yuxin Miao
- Department of Physiology, Hebei Medical University, Shijiazhuang, China
| | - Xu Teng
- Department of Physiology, Hebei Medical University, Shijiazhuang, China
| | - Lin Xiao
- Department of Physiology, Hebei Medical University, Shijiazhuang, China
| | - Qi Guo
- Department of Physiology, Hebei Medical University, Shijiazhuang, China
| | - Hongmei Xue
- Department of Physiology, Hebei Medical University, Shijiazhuang, China
| | - Danyang Tian
- Department of Physiology, Hebei Medical University, Shijiazhuang, China
| | - Sheng Jin
- Department of Physiology, Hebei Medical University, Shijiazhuang, China
- *Correspondence: Sheng Jin, ; Yuming Wu,
| | - Yuming Wu
- Department of Physiology, Hebei Medical University, Shijiazhuang, China
- Hebei Collaborative Innovation Center for Cardio-Cerebrovascular Disease, Shijiazhuang, China
- *Correspondence: Sheng Jin, ; Yuming Wu,
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75
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Siracusa R, Voltarelli VA, Trovato Salinaro A, Modafferi S, Cuzzocrea S, Calabrese EJ, Di Paola R, Otterbein LE, Calabrese V. NO, CO and H 2S: A Trinacrium of Bioactive Gases in the Brain. Biochem Pharmacol 2022; 202:115122. [PMID: 35679892 DOI: 10.1016/j.bcp.2022.115122] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 05/31/2022] [Accepted: 06/01/2022] [Indexed: 11/02/2022]
Abstract
Oxygen and carbon dioxide are time honored gases that have direct bearing on almost all life forms, but over the past thirty years, and in large part due to the Nobel Prize Award in Medicine for the elucidation of nitric oxide (NO) as a bioactive gas, the research and medical communities now recognize other gases as critical for survival. In addition to NO, hydrogen sulfide (H2S) and carbon monoxide (CO) have emerged as a triumvirate or Trinacrium of gases with analogous importance and that serve important homeostatic functions. Perhaps, one of the most intriguing aspects of these gases is the functional interaction between them, which is intimately linked by the enzyme systems that produce them. Despite the need to better understand NO, H2S and CO biology, the notion that these are environmental pollutants remains ever present. For this reason, incorporating the concept of hormesis becomes imperative and must be included in discussions when considering developing new therapeutics that involve these gases. While there is now an enormous literature base for each of these gasotransmitters, we provide here an overview of their respective physiologic roles in the brain.
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Affiliation(s)
- Rosalba Siracusa
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, Messina, 98166, Italy
| | - Vanessa A Voltarelli
- Department of Surgery, Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, MA, 02115, USA
| | - Angela Trovato Salinaro
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Sergio Modafferi
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Salvatore Cuzzocrea
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, Messina, 98166, Italy
| | - Edward J Calabrese
- Department of Environmental Health Sciences, Morrill I, N344, University of Massachusetts, Amherst, MA 01003, USA
| | - Rosanna Di Paola
- Department of Veterinary Science, University of Messina, 98168, Messina, Italy
| | - Leo E Otterbein
- Department of Surgery, Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, MA, 02115, USA.
| | - Vittorio Calabrese
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy.
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76
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Li S, Ma Y, Ye S, Su Y, Hu D, Xiao F. Endogenous hydrogen sulfide counteracts polystyrene nanoplastics-induced mitochondrial apoptosis and excessive autophagy via regulating Nrf2 and PGC-1α signaling pathway in mouse spermatocyte-derived GC-2spd(ts) cells. Food Chem Toxicol 2022; 164:113071. [DOI: 10.1016/j.fct.2022.113071] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 04/17/2022] [Accepted: 04/20/2022] [Indexed: 02/07/2023]
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77
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Khattak S, Rauf MA, Khan NH, Zhang QQ, Chen HJ, Muhammad P, Ansari MA, Alomary MN, Jahangir M, Zhang CY, Ji XY, Wu DD. Hydrogen Sulfide Biology and Its Role in Cancer. Molecules 2022; 27:3389. [PMID: 35684331 PMCID: PMC9181954 DOI: 10.3390/molecules27113389] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 04/27/2022] [Accepted: 05/01/2022] [Indexed: 02/07/2023] Open
Abstract
Hydrogen sulfide (H2S) is an endogenous biologically active gas produced in mammalian tissues. It plays a very critical role in many pathophysiological processes in the body. It can be endogenously produced through many enzymes analogous to the cysteine family, while the exogenous source may involve inorganic sulfide salts. H2S has recently been well investigated with regard to the onset of various carcinogenic diseases such as lung, breast, ovaries, colon cancer, and neurodegenerative disorders. H2S is considered an oncogenic gas, and a potential therapeutic target for treating and diagnosing cancers, due to its role in mediating the development of tumorigenesis. Here in this review, an in-detail up-to-date explanation of the potential role of H2S in different malignancies has been reported. The study summarizes the synthesis of H2S, its roles, signaling routes, expressions, and H2S release in various malignancies. Considering the critical importance of this active biological molecule, we believe this review in this esteemed journal will highlight the oncogenic role of H2S in the scientific community.
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Affiliation(s)
- Saadullah Khattak
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China; (S.K.); (N.H.K.); (Q.-Q.Z.); (H.-J.C.)
| | - Mohd Ahmar Rauf
- Department of Surgery, Miller School of Medicine, University of Miami, Miami, FL 33136, USA;
| | - Nazeer Hussain Khan
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China; (S.K.); (N.H.K.); (Q.-Q.Z.); (H.-J.C.)
| | - Qian-Qian Zhang
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China; (S.K.); (N.H.K.); (Q.-Q.Z.); (H.-J.C.)
| | - Hao-Jie Chen
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China; (S.K.); (N.H.K.); (Q.-Q.Z.); (H.-J.C.)
| | - Pir Muhammad
- Henan-Macquarie University Joint Centre for Biomedical Innovation, School of Life Sciences, Henan University, Kaifeng 475004, China;
| | - Mohammad Azam Ansari
- Department of Epidemic Disease Research, Institute for Research & Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia;
| | - Mohammad N. Alomary
- National Centre for Biotechnology, King Abdulaziz City for Science and Technology (KACST), P.O. Box 6086, Riyadh 11442, Saudi Arabia;
| | - Muhammad Jahangir
- Department of Psychiatric and Mental Health, Central South University, Changsha 410078, China;
| | - Chun-Yang Zhang
- Department of Thoracic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
- Department of General Thoracic Surgery, Hami Central Hospital, Hami 839000, China
| | - Xin-Ying Ji
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China; (S.K.); (N.H.K.); (Q.-Q.Z.); (H.-J.C.)
- Kaifeng Key Laboratory of Infection and Biological Safety, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China
| | - Dong-Dong Wu
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China; (S.K.); (N.H.K.); (Q.-Q.Z.); (H.-J.C.)
- School of Stomatology, Henan University, Kaifeng 475004, China
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Hydrogen sulfide supplement preserves mitochondrial function of retinal ganglion cell in a rat glaucoma model. Cell Tissue Res 2022; 389:171-185. [PMID: 35593936 DOI: 10.1007/s00441-022-03640-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Accepted: 05/09/2022] [Indexed: 11/02/2022]
Abstract
Glaucoma is a neurodegenerative disease of visual system characterized by gradual loss of retinal ganglion cells (RGC). Since mitochondrial dysfunction of RGC is significantly involved in the pathological mechanisms of glaucoma, and hydrogen sulfide (H2S) takes part in the pathogeny of glaucoma and shows promising potential in restoring mitochondrial function in other neurons, the authors aimed to investigate the impact of H2S on mitochondrial function of RGC with a rat glaucoma model. An established chronic ocular hypertension (COH) rat model induced by injection of cross-linking hydrogel into anterior chamber was adopted, and a H2S donor, sodium hydrosulfide (NaHS), was selected to treat rats through intraperitoneal injection. After a period of 4 weeks, RGCs were isolated from the subjected rats with an immunopanning method and went through evaluations of mitochondrial membrane potential (MMP), mitochondrial permeability transition pore (MPTP) opening, intracellular Ca2 + level, reactive oxygen species (ROS) level, and cytosolic Cytochrome C distribution. The results showed that the mitochondrial function of RGC in experimental glaucoma was markedly improved by H2S supplement, being presented as stabilization of MMP, alleviation of MPTP opening, improvement of intracellular Ca2+ hemostasis, reduction of ROS accumulation, and inhibition of Cytochrome C release. Our study implicated that preservation of mitochondrial function by H2S probably plays a key role in protecting RGC in the context of glaucomatous neuropathy, and it is worth further deepgoing research to benefit the development of glaucoma treatment.
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Spassov SG, Faller S, Goeft A, von Itter MNA, Birkigt A, Meyerhoefer P, Ihle A, Seiler R, Schumann S, Hoetzel A. Profiling Distinctive Inflammatory and Redox Responses to Hydrogen Sulfide in Stretched and Stimulated Lung Cells. Antioxidants (Basel) 2022; 11:1001. [PMID: 35624865 PMCID: PMC9137934 DOI: 10.3390/antiox11051001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 05/11/2022] [Accepted: 05/18/2022] [Indexed: 11/16/2022] Open
Abstract
Hydrogen sulfide (H2S) protects against stretch-induced lung injury. However, the impact of H2S on individual cells or their crosstalk upon stretch remains unclear. Therefore, we addressed this issue in vitro using relevant lung cells. We have explored (i) the anti-inflammatory properties of H2S on epithelial (A549 and BEAS-2B), macrophage (RAW264.7) and endothelial (HUVEC) cells subjected to cycling mechanical stretch; (ii) the intercellular transduction of inflammation by co-culturing epithelial cells and macrophages (A549 and RAW264.7); (iii) the effect of H2S on neutrophils (Hoxb8) in transmigration (co-culture setup with HUVECs) and chemotaxis experiments. In stretched epithelial cells (A549, BEAS-2B), the release of interleukin-8 was not prevented by H2S treatment. However, H2S reduced macrophage inflammatory protein-2 (MIP-2) release from unstretched macrophages (RAW264.7) co-cultured with stretched epithelial cells. In stretched macrophages, H2S prevented MIP-2 release by limiting nicotinamide adenine dinucleotide phosphate oxidase-derived superoxide radicals (ROS). In endothelial cells (HUVEC), H2S inhibited interleukin-8 release and preserved endothelial integrity. In neutrophils (Hoxb8), H2S limited MIP-2-induced transmigration through endothelial monolayers, ROS formation and their chemotactic movement. H2S induces anti-inflammatory effects in a cell-type specific manner. H2S limits stretch- and/or paracrine-induced inflammatory response in endothelial, macrophage, and neutrophil cells by maintaining redox homeostasis as underlying mechanism.
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Affiliation(s)
- Sashko G. Spassov
- Department of Anesthesiology and Critical Care, Medical Center—University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetter Str. 55, 79106 Freiburg, Germany; (S.F.); (A.G.); (M.-N.A.v.I.); (A.B.); (P.M.); (A.I.); (R.S.); (S.S.); (A.H.)
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80
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Scheid S, Goeller M, Baar W, Wollborn J, Buerkle H, Schlunck G, Lagrèze W, Goebel U, Ulbrich F. Inhalative as well as Intravenous Administration of H 2S Provides Neuroprotection after Ischemia and Reperfusion Injury in the Rats' Retina. Int J Mol Sci 2022; 23:5519. [PMID: 35628328 PMCID: PMC9143628 DOI: 10.3390/ijms23105519] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 05/11/2022] [Accepted: 05/12/2022] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Neuronal ischemia-reperfusion injury (IRI), such as it can occur in glaucoma or strokes, is associated with neuronal cell death and irreversible loss of function of the affected tissue. Hydrogen sulfide (H2S) is considered a potentially neuroprotective substance, but the most effective route of application and the underlying mechanism remain to be determined. METHODS Ischemia-reperfusion injury was induced in rats by a temporary increase in intraocular pressure (1 h). H2S was then applied by inhalation (80 ppm at 0, 1.5, and 3 h after reperfusion) or by intravenous administration of the slow-releasing H2S donor GYY 4137. After 24 h, the retinas were harvested for Western blotting, qPCR, and immunohistochemical staining. Retinal ganglion cell survival was evaluated 7 days after ischemia. RESULTS Both inhalative and intravenously delivered H2S reduced retinal ganglion cell death with a better result from inhalative application. H2S inhalation for 1.5 h, as well as GYY 4137 treatment, increased p38 phosphorylation. Both forms of application enhanced the extracellular signal-regulated kinase 1/2 (ERK1/2) phosphorylation, and inhalation showed a significant increase at all three time points. H2S treatment also reduced apoptotic and inflammatory markers, such as caspase-3, intracellular adhesion molecule 1 (ICAM-1), vascular endothelial growth factor (VEGF), and inducible nitric oxide synthase (iNOS). The protective effect of H2S was partly abolished by the ERK1/2 inhibitor PD98059. Inhalative H2S also reduced the heat shock response including heme oxygenase (HO-1) and heat shock protein 70 (HSP-70) and the expression of radical scavengers such as superoxide dismutases (SOD1, SOD2) and catalase. CONCLUSION Hydrogen sulfide acts, at least in part, via the mitogen-activated protein kinase (MAPK) ERK1/2 to reduce apoptosis and inflammation. Both inhalative H2S and intravenous GYY 4137 administrations can improve neuronal cell survival.
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Affiliation(s)
- Stefanie Scheid
- Department of Anesthesiology and Critical Care, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany; (S.S.); (M.G.); (W.B.); (J.W.); (H.B.)
| | - Max Goeller
- Department of Anesthesiology and Critical Care, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany; (S.S.); (M.G.); (W.B.); (J.W.); (H.B.)
| | - Wolfgang Baar
- Department of Anesthesiology and Critical Care, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany; (S.S.); (M.G.); (W.B.); (J.W.); (H.B.)
| | - Jakob Wollborn
- Department of Anesthesiology and Critical Care, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany; (S.S.); (M.G.); (W.B.); (J.W.); (H.B.)
- Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Woman’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Hartmut Buerkle
- Department of Anesthesiology and Critical Care, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany; (S.S.); (M.G.); (W.B.); (J.W.); (H.B.)
| | - Günther Schlunck
- Eye-Center, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany; (G.S.); (W.L.)
| | - Wolf Lagrèze
- Eye-Center, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany; (G.S.); (W.L.)
| | - Ulrich Goebel
- Department of Anesthesiology and Critical Care Medicine, St. Franziskus-Hospital, 48145 Muenster, Germany;
| | - Felix Ulbrich
- Department of Anesthesiology and Critical Care, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany; (S.S.); (M.G.); (W.B.); (J.W.); (H.B.)
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Mhatre S, Opere CA, Singh S. Unmet needs in glaucoma therapy: The potential role of hydrogen sulfide and its delivery strategies. J Control Release 2022; 347:256-269. [PMID: 35526614 DOI: 10.1016/j.jconrel.2022.05.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 04/29/2022] [Accepted: 05/02/2022] [Indexed: 12/26/2022]
Abstract
Glaucoma is an optic neuropathy disorder marked by progressive degeneration of the retinal ganglion cells (RGC). It is a leading cause of blindness worldwide, prevailing in around 2.2% of the global population. The hallmark of glaucoma, intraocular pressure (IOP), is governed by the aqueous humor dynamics which plays a crucial role in the pathophysiology of the diesease. Glaucomatous eye has an IOP of more than 22 mmHg as compared to normotensive pressure of 10-21 mmHg. Currently used treatments focus on reducing the elevated IOP through use of classes of drugs that either increase aqueous humor outflow and/or decrease its production. However, effective treatments should not only reduce IOP, but also offer neuroprotection and regeneration of RGCs. Hydrogen Sulfide (H2S), a gasotransmitter with several endogenous functions in mammalian tissues, is being investigated for its potential application in glaucoma. In addition to decreasing IOP by increasing aqueous humor outflow, it scavenges reactive oxygen species, upregulates the cellular antioxidant glutathione and protects RGCs from excitotoxicity. Despite the potential of H2S in glaucoma, its delivery to anterior and posterior regions of the eye is a challenge due to its unique physicochemical properties. Firstly, development of any delivery system should not require an aqueous environment since many H2S donors are susceptible to burst release of the gas in contact with water, causing potential toxicity and adverse effects owing to its inherent toxicity at higher concentrations. Secondly, the release of the gas from the donor needs to be sustained for a prolonged period of time to reduce dosing frequency as per the requirements of regulatory bodies. Lastly, the delivery system should provide adequate bioavailability throughout its period of application. Hence, an ideal delivery system should aim to tackle all the above challenges related to barriers of ocular delivery and physicochemical properties of H2S itself. This review discusses the therapeutic potential of H2S, its delivery challenges and strategies to overcome the associated chalenges.
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Affiliation(s)
- Susmit Mhatre
- School of Pharmacy and Health Professions, Creighton University, Omaha, NE 68178, USA.
| | - Catherine A Opere
- School of Pharmacy and Health Professions, Creighton University, Omaha, NE 68178, USA.
| | - Somnath Singh
- School of Pharmacy and Health Professions, Creighton University, Omaha, NE 68178, USA.
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Ascenção K, Szabo C. Emerging roles of cystathionine β-synthase in various forms of cancer. Redox Biol 2022; 53:102331. [PMID: 35618601 PMCID: PMC9168780 DOI: 10.1016/j.redox.2022.102331] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 04/29/2022] [Accepted: 05/04/2022] [Indexed: 12/12/2022] Open
Abstract
The expression of the reverse transsulfuration enzyme cystathionine-β-synthase (CBS) is markedly increased in many forms of cancer, including colorectal, ovarian, lung, breast and kidney, while in other cancers (liver cancer and glioma) it becomes downregulated. According to the clinical database data in high-CBS-expressor cancers (e.g. colon or ovarian cancer), high CBS expression typically predicts lower survival, while in the low-CBS-expressor cancers (e.g. liver cancer), low CBS expression is associated with lower survival. In the high-CBS expressing tumor cells, CBS, and its product hydrogen sulfide (H2S) serves as a bioenergetic, proliferative, cytoprotective and stemness factor; it also supports angiogenesis and epithelial-to-mesenchymal transition in the cancer microenvironment. The current article reviews the various tumor-cell-supporting roles of the CBS/H2S axis in high-CBS expressor cancers and overviews the anticancer effects of CBS silencing and pharmacological CBS inhibition in various cancer models in vitro and in vivo; it also outlines potential approaches for biomarker identification, to support future targeted cancer therapies based on pharmacological CBS inhibition.
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83
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Cirino G, Szabo C, Papapetropoulos A. Physiological roles of hydrogen sulfide in mammalian cells, tissues and organs. Physiol Rev 2022; 103:31-276. [DOI: 10.1152/physrev.00028.2021] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
H2S belongs to the class of molecules known as gasotransmitters, which also includes nitric oxide (NO) and carbon monoxide (CO). Three enzymes are recognized as endogenous sources of H2S in various cells and tissues: cystathionine g-lyase (CSE), cystathionine β-synthase (CBS) and 3-mercaptopyruvate sulfurtransferase (3-MST). The current article reviews the regulation of these enzymes as well as the pathways of their enzymatic and non-enzymatic degradation and elimination. The multiple interactions of H2S with other labile endogenous molecules (e.g. NO) and reactive oxygen species are also outlined. The various biological targets and signaling pathways are discussed, with special reference to H2S and oxidative posttranscriptional modification of proteins, the effect of H2S on channels and intracellular second messenger pathways, the regulation of gene transcription and translation and the regulation of cellular bioenergetics and metabolism. The pharmacological and molecular tools currently available to study H2S physiology are also reviewed, including their utility and limitations. In subsequent sections, the role of H2S in the regulation of various physiological and cellular functions is reviewed. The physiological role of H2S in various cell types and organ systems are overviewed. Finally, the role of H2S in the regulation of various organ functions is discussed as well as the characteristic bell-shaped biphasic effects of H2S. In addition, key pathophysiological aspects, debated areas, and future research and translational areas are identified A wide array of significant roles of H2S in the physiological regulation of all organ functions emerges from this review.
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Affiliation(s)
- Giuseppe Cirino
- Department of Pharmacy, School of Medicine, University of Naples Federico II, Naples, Italy
| | - Csaba Szabo
- Chair of Pharmacology, Section of Medicine, University of Fribourg, Switzerland
| | - Andreas Papapetropoulos
- Laboratory of Pharmacology, Faculty of Pharmacy, National and Kapodistrian University of Athens, Athens, Greece & Clinical, Experimental Surgery and Translational Research Center, Biomedical Research Foundation of the Academy of Athens, Greece
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84
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Gupta R, Sahu M, Tripathi R, Ambasta RK, Kumar P. Protein S-sulfhydration: Unraveling the prospective of hydrogen sulfide in the brain, vasculature and neurological manifestations. Ageing Res Rev 2022; 76:101579. [PMID: 35124235 DOI: 10.1016/j.arr.2022.101579] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 01/30/2022] [Accepted: 02/01/2022] [Indexed: 02/08/2023]
Abstract
Hydrogen sulfide (H2S) and hydrogen polysulfides (H2Sn) are essential regulatory signaling molecules generated by the entire body, including the central nervous system. Researchers have focused on the classical H2S signaling from the past several decades, whereas the last decade has shown the emergence of H2S-induced protein S-sulfhydration signaling as a potential therapeutic approach. Cysteine S-persulfidation is a critical paradigm of post-translational modification in the process of H2S signaling. Additionally, studies have shown the cross-relationship between S-sulfhydration and other cysteine-induced post-translational modifications, namely nitrosylation and carbonylation. In the central nervous system, S-sulfhydration is involved in the cytoprotection through various signaling pathways, viz. inflammatory response, oxidative stress, endoplasmic reticulum stress, atherosclerosis, thrombosis, and angiogenesis. Further, studies have demonstrated H2S-induced S-sulfhydration in regulating different biological processes, such as mitochondrial integrity, calcium homeostasis, blood-brain permeability, cerebral blood flow, and long-term potentiation. Thus, protein S-sulfhydration becomes a crucial regulatory molecule in cerebrovascular and neurodegenerative diseases. Herein, we first described the generation of intracellular H2S followed by the application of H2S in the regulation of cerebral blood flow and blood-brain permeability. Further, we described the involvement of S-sulfhydration in different biological and cellular functions, such as inflammatory response, mitochondrial integrity, calcium imbalance, and oxidative stress. Moreover, we highlighted the importance of S-sulfhydration in cerebrovascular and neurodegenerative diseases.
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85
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He Y, Sun Y, Liao C, Lin F, Xia Z, Qi Y, Chen Y. The Protective Role of Hydrogen Sulfide and Its Impact on Gene Expression Profiling in Rat Model of COPD. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:9407927. [PMID: 35340205 PMCID: PMC8956388 DOI: 10.1155/2022/9407927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Accepted: 01/27/2022] [Indexed: 12/04/2022]
Abstract
Chronic obstructive pulmonary disease (COPD) is a leading cause of death worldwide, which is usually caused by exposure to noxious particles or gases. Hydrogen sulfide (H2S), as an endogenous gasotransmitter, is involved in the pathogenesis of COPD, but its role in COPD is little known. To investigate the role of H2S in COPD, a rat model of COPD was established by cigarette smoking (CS) and intratracheal instillation of lipopolysaccharide (LPS). Rats were randomly divided into 4 groups: control, CS + LPS, CS + LPS + sodium hydrosulfide (NaHS, H2S donor), and CS + LPS + propargylglycine (PPG, inhibitor of cystathionine-γ-lyase, and CTH). Lung function in vivo, histology analysis of lung sections, malondialdehyde (MDA) concentration, CTH protein, total superoxide dismutase (T-SOD), and catalase (CAT) activity in lung tissues were assessed. Gene expression profiling of lung was assessed by microarray analysis. The results showed that rats in the CS + LPS group had lower body weight and lung function but higher lung pathological scores, MDA concentration, CTH protein, T-SOD, and CAT activity compared with the control. Compared with CS + LPS group, NaHS treatment decreased lung pathological scores and MDA concentration, while PPG treatment decreased body weight of rats and T-SOD activity, and no significant differences were detected in pathological scores by PPG treatment. Microarray analysis identified multiple differentially expressed genes, and some genes regulated by H2S were involved in oxidative stress, apoptosis, and inflammation pathways. It indicates that H2S may play a protective role in COPD via antioxidative stress and antiapoptosis pathway.
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Affiliation(s)
- Yanjing He
- Department of Pulmonary and Critical Care Medicine, Peking University Third Hospital, Beijing, China
- Department of Anesthesiology, The University of Hong Kong, Hong Kong, China
| | - Yun Sun
- Department of Pulmonary and Critical Care Medicine, Peking University Third Hospital, Beijing, China
| | - Chengcheng Liao
- Department of Pulmonary and Critical Care Medicine, Peking University Third Hospital, Beijing, China
| | - Fan Lin
- Department of Pulmonary and Critical Care Medicine, Peking University Third Hospital, Beijing, China
| | - Zhengyuan Xia
- Department of Anesthesiology, The University of Hong Kong, Hong Kong, China
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Medicine, The University of Hong Kong, Hong Kong, China
- Department of Anesthesiology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Yongfen Qi
- Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Beijing, China
| | - Yahong Chen
- Department of Pulmonary and Critical Care Medicine, Peking University Third Hospital, Beijing, China
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86
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Lu CL, Liao CH, Wu WB, Zheng CM, Lu KC, Ma MC. Uremic Toxin Indoxyl Sulfate Impairs Hydrogen Sulfide Formation in Renal Tubular Cells. Antioxidants (Basel) 2022; 11:antiox11020361. [PMID: 35204244 PMCID: PMC8868407 DOI: 10.3390/antiox11020361] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 02/02/2022] [Accepted: 02/08/2022] [Indexed: 02/01/2023] Open
Abstract
Hydrogen sulfide (H2S) was the third gasotransmitter to be recognized as a cytoprotectant. A recent study demonstrated that exogenous supplementation of H2S ameliorates functional insufficiency in chronic kidney disease (CKD). However, how the H2S system is impaired by CKD has not been elucidated. The uremic toxin indoxyl sulfate (IS) is known to accumulate in CKD patients and harm the renal tubular cells. This study therefore treated the proximal tubular cells, LLC-PK1, with IS to see how IS affects H2S formation. Our results showed that H2S release from LLC-PK1 cells was markedly attenuated by IS when compared with control cells. The H2S donors NaHS and GYY-4137 significantly attenuated IS-induced tubular damage, indicating that IS impairs H2S formation. Interestingly, IS downregulated the H2S-producing enzymes cystathionine β-synthase (CBS), cystathionine γ-lyase (CSE), and 3-mercaptopyruvate sulfurtransferase (3-MST), and these effects could be reversed by inhibition of the IS receptor, aryl hydrocarbon receptor (AhR). As transcription factor specificity protein 1 (Sp1) regulates the gene expression of H2S-producing enzymes, we further showed that IS significantly decreased the DNA binding activity of Sp1 but not its protein expression. Blockade of AhR reversed low Sp1 activity caused by IS. Moreover, exogenous H2S supplementation attenuated IS-mediated superoxide formation and depletion of the cellular glutathione content. These results clearly indicate that IS activates AhR, which then attenuates Sp1 function through the regulation of H2S-producing enzyme expression. The attenuation of H2S formation contributes to the low antioxidant defense of glutathione in uremic toxin-mediated oxidative stress, causing tubular cell damage.
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Affiliation(s)
- Chien-Lin Lu
- School of Medicine, College of Medicine, Fu Jen Catholic University, New Taipei City 242062, Taiwan; (C.-L.L.); (C.-H.L.); (W.-B.W.)
- Division of Nephrology, Department of Internal Medicine, Fu Jen Catholic University Hospital, Fu Jen Catholic University, New Taipei City 243089, Taiwan;
| | - Chun-Hou Liao
- School of Medicine, College of Medicine, Fu Jen Catholic University, New Taipei City 242062, Taiwan; (C.-L.L.); (C.-H.L.); (W.-B.W.)
- Divisions of Urology, Department of Surgery, Cardinal Tien Hospital, New Taipei City 231403, Taiwan
| | - Wen-Bin Wu
- School of Medicine, College of Medicine, Fu Jen Catholic University, New Taipei City 242062, Taiwan; (C.-L.L.); (C.-H.L.); (W.-B.W.)
| | - Cai-Mei Zheng
- Division of Nephrology, Department of Internal Medicine, Taipei Medical University Shuang Ho Hospital, New Taipei City 235041, Taiwan;
- Division of Nephrology, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei 110301, Taiwan
- Research Center of Urology and Kidney, Taipei Medical University, Taipei 110301, Taiwan
| | - Kuo-Cheng Lu
- Division of Nephrology, Department of Internal Medicine, Fu Jen Catholic University Hospital, Fu Jen Catholic University, New Taipei City 243089, Taiwan;
- Division of Nephrology, Department of Medicine, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City 231405, Taiwan
| | - Ming-Chieh Ma
- School of Medicine, College of Medicine, Fu Jen Catholic University, New Taipei City 242062, Taiwan; (C.-L.L.); (C.-H.L.); (W.-B.W.)
- Correspondence:
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Jin R, Yang R, Cui C, Zhang H, Cai J, Geng B, Chen Z. Ferroptosis due to Cystathionine γ Lyase/Hydrogen Sulfide Downregulation Under High Hydrostatic Pressure Exacerbates VSMC Dysfunction. Front Cell Dev Biol 2022; 10:829316. [PMID: 35186934 PMCID: PMC8850391 DOI: 10.3389/fcell.2022.829316] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Accepted: 01/10/2022] [Indexed: 01/25/2023] Open
Abstract
Hydrostatic pressure, stretch, and shear are major biomechanical forces of vessels and play critical roles in genesis and development of hypertension. Our previous work demonstrated that high hydrostatic pressure (HHP) promoted vascular smooth muscle cells (VSMCs) two novel subsets: inflammatory and endothelial function inhibitory VSMCs and then exacerbated VSMC dysfunction. However, the underlying mechanism remains unknown. Here, we first identified that aortic GPX4 (a core regulator of ferroptosis) significantly downregulated association with VSMC novel phenotype elevation in SHR rats and hypertension patients. In primary VSMCs, HHP (200 mmHg) increased iron accumulation, ROS production, and lipid peroxidation compared with normal pressure (100 mmHg). Consistently, the ferroptosis-related gene (COX-2, TFRC, ACSL4, and NOX-1) expression was also upregulated. The ferroptosis inhibitor ferrostatin-1 (Fer-1) administration blocked HHP-induced VSMC inflammatory (CXCL2 expression) and endothelial function inhibitory (AKR1C2 expression) phenotyping switch association with elevation in the GPX4 expression, reduction in the reactive oxygen species (ROS), and lipid peroxidation production. In contrast, the ferroptosis inducer RLS3 increased HHP-induced CXCL2 and AKR1C2 expressions. These data indicate HHP-triggering ferroptosis contributes to VSMC inflammatory and endothelial function inhibitory phenotyping switch. In mechanism, HHP reduced the VSMC GSH content and cystathionine gamma-lyase (CSE)/hydrogen sulfide (H2S)—an essential system for GSH generation. Supplementation of the H2S donor-NaHS increased the VSMC GSH level, alleviated iron deposit, ROS and lipid peroxidation production. NaHS administration rescues both HHP- and RLS3-induced ferroptosis. Collectively, HHP downregulated VSMC CSE/H2S triggering GSH level reduction, resulting in ferroptosis, which contributed to the genesis of VSMC inflammation and endothelial function inhibitory phenotypes.
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Affiliation(s)
| | | | | | | | | | - Bin Geng
- *Correspondence: Bin Geng, ; Zhenzhen Chen,
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Peleli M, Zampas P, Papapetropoulos A. Hydrogen Sulfide and the Kidney: Physiological Roles, Contribution to Pathophysiology, and Therapeutic Potential. Antioxid Redox Signal 2022; 36:220-243. [PMID: 34978847 DOI: 10.1089/ars.2021.0014] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Significance: Hydrogen sulfide (H2S), the third member of the gasotransmitter family, has a broad spectrum of biological activities, including antioxidant and cytoprotective actions, as well as vasodilatory, anti-inflammatory and antifibrotic effects. New, significant aspects of H2S biology in the kidney continue to emerge, underscoring the importance of this signaling molecule in kidney homeostasis, function, and disease. Recent Advances: H2S signals via three main mechanisms, by maintaining redox balance through its antioxidant actions, by post-translational modifications of cellular proteins (S-sulfhydration), and by binding to protein metal centers. Important renal functions such as glomerular filtration, renin release, or sodium reabsorption have been shown to be regulated by H2S, using either exogenous donors or by the endogenous-producing systems. Critical Issues: Lower H2S levels are observed in many renal pathologies, including renal ischemia-reperfusion injury and obstructive, diabetic, or hypertensive nephropathy. Unraveling the molecular targets through which H2S exerts its beneficial effects would be of great importance not only for understanding basic renal physiology, but also for identifying new pharmacological interventions for renal disease. Future Directions: Additional studies are needed to better understand the role of H2S in the kidney. Mapping the expression pattern of H2S-producing and -degrading enzymes in renal cells and generation of cell-specific knockout mice based on this information will be invaluable in the effort to unravel additional roles for H2S in kidney (patho)physiology. With this knowledge, novel targeted more effective therapeutic strategies for renal disease can be designed. Antioxid. Redox Signal. 36, 220-243.
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Affiliation(s)
- Maria Peleli
- Clinical, Experimental Surgery and Translational Research Center, Biomedical Research Foundation of the Academy of Athens, Athens, Greece.,Laboratory of Pharmacology, Department of Pharmacy, National and Kapodistrian University of Athens, Athens, Greece
| | - Paraskevas Zampas
- Clinical, Experimental Surgery and Translational Research Center, Biomedical Research Foundation of the Academy of Athens, Athens, Greece.,Laboratory of Pharmacology, Department of Pharmacy, National and Kapodistrian University of Athens, Athens, Greece
| | - Andreas Papapetropoulos
- Clinical, Experimental Surgery and Translational Research Center, Biomedical Research Foundation of the Academy of Athens, Athens, Greece.,Laboratory of Pharmacology, Department of Pharmacy, National and Kapodistrian University of Athens, Athens, Greece
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89
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Ding H, Chang J, He F, Gai S, Yang P. Hydrogen Sulfide: An Emerging Precision Strategy for Gas Therapy. Adv Healthc Mater 2022; 11:e2101984. [PMID: 34788499 DOI: 10.1002/adhm.202101984] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 11/06/2021] [Indexed: 12/13/2022]
Abstract
Advances in nanotechnology have enabled the rapid development of stimuli-responsive therapeutic nanomaterials for precision gas therapy. Hydrogen sulfide (H2 S) is a significant gaseous signaling molecule with intrinsic biochemical properties, which exerts its various physiological effects under both normal and pathological conditions. Various nanomaterials with H2 S-responsive properties, as new-generation therapeutic agents, are explored to guide therapeutic behaviors in biological milieu. The cross disciplinary of H2 S is an emerging scientific hotspot that studies the chemical properties, biological mechanisms, and therapeutic effects of H2 S. This review summarizes the state-of-art research on H2 S-related nanomedicines. In particular, recent advances in H2 S therapeutics for cancer, such as H2 S-mediated gas therapy and H2 S-related synergistic therapies (combined with chemotherapy, photodynamic therapy, photothermal therapy, and chemodynamic therapy) are highlighted. Versatile imaging techniques for real-time monitoring H2 S during biological diagnosis are reviewed. Finally, the biosafety issues, current challenges, and potential possibilities in the evolution of H2 S-based therapy that facilitate clinical translation to patients are discussed.
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Affiliation(s)
- He Ding
- Key Laboratory of Superlight Materials and Surface Technology Ministry of Education College of Materials Science and Chemical Engineering Harbin Engineering University Harbin 150001 P. R. China
| | - Jinhu Chang
- Key Laboratory of Superlight Materials and Surface Technology Ministry of Education College of Materials Science and Chemical Engineering Harbin Engineering University Harbin 150001 P. R. China
| | - Fei He
- Key Laboratory of Superlight Materials and Surface Technology Ministry of Education College of Materials Science and Chemical Engineering Harbin Engineering University Harbin 150001 P. R. China
| | - Shili Gai
- Key Laboratory of Superlight Materials and Surface Technology Ministry of Education College of Materials Science and Chemical Engineering Harbin Engineering University Harbin 150001 P. R. China
| | - Piaoping Yang
- Key Laboratory of Superlight Materials and Surface Technology Ministry of Education College of Materials Science and Chemical Engineering Harbin Engineering University Harbin 150001 P. R. China
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90
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Cho C, Zeigler M, Mizuno S, Morrison RS, Totah RA, Barker-Haliski M. Reductions in Hydrogen Sulfide and Changes in Mitochondrial Quality Control Proteins Are Evident in the Early Phases of the Corneally Kindled Mouse Model of Epilepsy. Int J Mol Sci 2022; 23:ijms23031434. [PMID: 35163358 PMCID: PMC8835945 DOI: 10.3390/ijms23031434] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 01/21/2022] [Accepted: 01/24/2022] [Indexed: 12/14/2022] Open
Abstract
Epilepsy is a heterogenous neurological disorder characterized by recurrent unprovoked seizures, mitochondrial stress, and neurodegeneration. Hydrogen sulfide (H2S) is a gasotransmitter that promotes mitochondrial function and biogenesis, elicits neuromodulation and neuroprotection, and may acutely suppress seizures. A major gap in knowledge remains in understanding the role of mitochondrial dysfunction and progressive changes in H2S levels following acute seizures or during epileptogenesis. We thus sought to quantify changes in H2S and its methylated metabolite (MeSH) via LC-MS/MS following acute maximal electroshock and 6 Hz 44 mA seizures in mice, as well as in the early phases of the corneally kindled mouse model of chronic seizures. Plasma H2S was acutely reduced after a maximal electroshock seizure. H2S or MeSH levels and expressions of related genes in whole brain homogenates from corneally kindled mice were not altered. However, plasma H2S levels were significantly lower during kindling, but not after established kindling. Moreover, we demonstrated a time-dependent increase in expression of mitochondrial membrane integrity-related proteins, OPA1, MFN2, Drp1, and Mff during kindling, which did not correlate with changes in gene expression. Taken together, short-term reductions in plasma H2S could be a novel biomarker for seizures. Future studies should further define the role of H2S and mitochondrial stress in epilepsy.
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Affiliation(s)
- Christi Cho
- Department of Medicinal Chemistry, University of Washington, Seattle, WA 98195, USA; (C.C.); (M.Z.); (R.A.T.)
| | - Maxwell Zeigler
- Department of Medicinal Chemistry, University of Washington, Seattle, WA 98195, USA; (C.C.); (M.Z.); (R.A.T.)
| | - Stephanie Mizuno
- Department of Pharmacy, University of Washington, Seattle, WA 98195, USA;
| | | | - Rheem A. Totah
- Department of Medicinal Chemistry, University of Washington, Seattle, WA 98195, USA; (C.C.); (M.Z.); (R.A.T.)
| | - Melissa Barker-Haliski
- Department of Pharmacy, University of Washington, Seattle, WA 98195, USA;
- Correspondence: ; Tel.: +1-206-685-1783
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Ahmad A. Physiological, Pathological and Pharmacological Interactions of Hydrogen Sulphide and Nitric Oxide in the Myocardium of Rats with Left Ventricular Hypertrophy. Curr Issues Mol Biol 2022; 44:433-448. [PMID: 35723409 PMCID: PMC8929131 DOI: 10.3390/cimb44010030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 01/07/2022] [Accepted: 01/08/2022] [Indexed: 11/16/2022] Open
Abstract
Left ventricular hypertrophy (LVH) is characterized by increased myocardium thickness due to increased oxidative stress and downregulation of cystathione γ lyase (CSE) endothelial nitric oxide synthase (eNOS). Upregulation of CSE by hydrogen sulphide (H2S) and ENOS by L-arginine can arrest the progression of LVH individually. The present study explored the combined treatment of H2S and NO in the progression of LVH, and demonstrated that the response is due to H2S, NO or formation of either new molecule in physiological, pathological, and pharmacological in vivo settings of LVH. Exogenous administration H2S+NO in LVH significantly reduced (all p < 0.05) systolic blood pressure (SBP) and mean arterial pressure (MAP), LV index, heart index and oxidative stress when compared to the LVH group. There was downregulation of CSE mRNA and eNOS in the heart, and exogenous administration of H2S+NO groups upregulated eNOS MRNA while CSE MRNA remained downregulated in the hearts of the LVH group. Similar trends were observed with concentrations of H2S and NO in the plasma and tissue. It can be concluded that combined treatment of LVH with H2S and NO significantly ameliorate the progression of LVH by attenuating systemic hemodynamic and physical indices, and by decreasing oxidative stress. Molecular expression data in the myocardium of LVH depicts that combined treatment upregulated eNOS/NO while it downregulated CSE/H2S pathways in in vivo settings, and it is always eNOS/NO pathways which play a major role.
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Affiliation(s)
- Ashfaq Ahmad
- Department of Pharmacy practice, College of Pharmacy, University of Hafr Al-Batin, Hafr Al-Batin 31991, Saudi Arabia
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Sun Y, Wang M, Zhong Z, Chen H, Wang H, Zhou L, Cao L, Fu L, Zhang H, Lian C, Sun S, Li C. Adaption to hydrogen sulfide-rich environments: Strategies for active detoxification in deep-sea symbiotic mussels, Gigantidas platifrons. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 804:150054. [PMID: 34509839 DOI: 10.1016/j.scitotenv.2021.150054] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 08/10/2021] [Accepted: 08/27/2021] [Indexed: 05/27/2023]
Abstract
The deep-sea mussel Gigantidas platifrons is a representative species that relies on nutrition provided by chemoautotrophic endosymbiotic bacteria to survive in both hydrothermal vent and methane seep environments. However, vent and seep habitats have distinct geochemical features, with vents being more harsh than seeps because of abundant toxic chemical substances, particularly hydrogen sulfide (H2S). Until now, the adaptive strategies of G. platifrons in a heterogeneous environment and their sulfide detoxification mechanisms are still unclear. Herein, we conducted 16S rDNA sequencing and metatranscriptome sequencing of G. platifrons collected from a methane seep at Formosa Ridge in the South China Sea and a hydrothermal vent at Iheya North Knoll in the Mid-Okinawa Trough to provide a model for understanding environmental adaption and sulfide detoxification mechanisms, and a three-day laboratory controlled Na2S stress experiment to test the transcriptomic responses under sulfide stress. The results revealed the active detoxification of sulfide in G. platifrons gills. First, epibiotic Campylobacterota bacteria were more abundant in vent mussels and contributed to environmental adaptation by active oxidation of extracellular H2S. Notably, a key sulfide-oxidizing gene, sulfide:quinone oxidoreductase (sqr), derived from the methanotrophic endosymbiont, was significantly upregulated in vent mussels, indicating the oxidization of intracellular sulfide by the endosymbiont. In addition, transcriptomic comparison further suggested that genes involved in oxidative phosphorylation and mitochondrial sulfide oxidization pathway played important roles in the sulfide tolerance of the host mussels. Moreover, transcriptomic analysis of Na2S stressed mussels confirmed the upregulation of oxidative phosphorylation and sulfide oxidization genes in response to sulfide exposure. Overall, this study provided a systematic transcriptional analysis of both the active bacterial community members and the host mussels, suggesting that the epibionts, endosymbionts, and mussel host collaborated on sulfide detoxification from extracellular to intracellular space to adapt to harsh H2S-rich environments.
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Affiliation(s)
- Yan Sun
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, and Center of Deep Sea Research, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
| | - Minxiao Wang
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, and Center of Deep Sea Research, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
| | - Zhaoshan Zhong
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, and Center of Deep Sea Research, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
| | - Hao Chen
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, and Center of Deep Sea Research, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
| | - Hao Wang
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, and Center of Deep Sea Research, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
| | - Li Zhou
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, and Center of Deep Sea Research, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
| | - Lei Cao
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, and Center of Deep Sea Research, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
| | - Lulu Fu
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, and Center of Deep Sea Research, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
| | - Huan Zhang
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, and Center of Deep Sea Research, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
| | - Chao Lian
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, and Center of Deep Sea Research, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
| | - Song Sun
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, and Center of Deep Sea Research, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 10049, China.
| | - Chaolun Li
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, and Center of Deep Sea Research, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 10049, China.
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93
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Kaziród K, Myszka M, Dulak J, Łoboda A. Hydrogen sulfide as a therapeutic option for the treatment of Duchenne muscular dystrophy and other muscle-related diseases. Cell Mol Life Sci 2022; 79:608. [PMID: 36441348 PMCID: PMC9705465 DOI: 10.1007/s00018-022-04636-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 10/25/2022] [Accepted: 11/15/2022] [Indexed: 11/29/2022]
Abstract
Hydrogen sulfide (H2S) has been known for years as a poisoning gas and until recently evoked mostly negative associations. However, the discovery of its gasotransmitter functions suggested its contribution to various physiological and pathological processes. Although H2S has been found to exert cytoprotective effects through modulation of antioxidant, anti-inflammatory, anti-apoptotic, and pro-angiogenic responses in a variety of conditions, its role in the pathophysiology of skeletal muscles has not been broadly elucidated so far. The classical example of muscle-related disorders is Duchenne muscular dystrophy (DMD), the most common and severe type of muscular dystrophy. Mutations in the DMD gene that encodes dystrophin, a cytoskeletal protein that protects muscle fibers from contraction-induced damage, lead to prominent dysfunctions in the structure and functions of the skeletal muscle. However, the main cause of death is associated with cardiorespiratory failure, and DMD remains an incurable disease. Taking into account a wide range of physiological functions of H2S and recent literature data on its possible protective role in DMD, we focused on the description of the 'old' and 'new' functions of H2S, especially in muscle pathophysiology. Although the number of studies showing its essential regulatory action in dystrophic muscles is still limited, we propose that H2S-based therapy has the potential to attenuate the progression of DMD and other muscle-related disorders.
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Affiliation(s)
- Katarzyna Kaziród
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University in Krakow, Gronostajowa 7, 30-387, Kraków, Poland
| | - Małgorzata Myszka
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University in Krakow, Gronostajowa 7, 30-387, Kraków, Poland
| | - Józef Dulak
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University in Krakow, Gronostajowa 7, 30-387, Kraków, Poland
| | - Agnieszka Łoboda
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University in Krakow, Gronostajowa 7, 30-387, Kraków, Poland.
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94
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Goshovska YV, Fedichkina RA, Korkach YP, Sagach VF. Stimulation of mitochondrial hydrogen sulfide and glutathione production improves the Frank-Starling response of the rat heart via a nitric oxide-dependent pathway. Can J Physiol Pharmacol 2022; 100:53-60. [PMID: 34428378 DOI: 10.1139/cjpp-2021-0363] [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] [Indexed: 11/22/2022]
Abstract
The Frank-Starling response of the heart is known to be mediated by nitric oxide (NO) signaling, which is regulated by reduced glutathione (GSH) and hydrogen sulfide (H2S). We hypothesized that stimulation of endogenous H2S or GSH synthesis would improve the Frank-Starling response. Wistar male rats were injected with propargylglycine (PAG; 11.3 mg/kg, 40 min, n = 12), an inhibitor of H2S-producing enzyme (cystationine-γ-lyase), and l-cysteine (121 mg/kg, 30 min, n = 20), a precursor of H2S and GSH. Pretreatment with PAG or l-cysteine separately slightly improved the pressure-volume (P-V) dependence of the isolated rat heart, but the combination of PAG and l-cysteine (n = 12) improved heart contractile activity. H2S content, Ca2+-dependent NOS activity (cNOS) activity, nitrate reductase activity, and nitrite content increased by 2, 3.83, 2.5, and 1.3 times in cardiac mitochondria, and GSH and oxidized glutathione (GSSG) levels increased by 2.24 and 1.86 times in the heart homogenates of the PAG + l-cysteine group compared with the control (all P < 0.05). Inhibition of glutathione with DL-buthionine-sulfoximine (BSO; 22.2 mg/kg, 40 min, n = 6) drastically decreased Frank-Starling response of the heart and prevented PAG + l-cysteine-induced increase of GSH and GSSG levels (BSO + PAG + l-cysteine, n = 9). Inhibition of NOS, N-nitro-l-arginine-methylester hydrochloride (l-NAME; 40 min, 27 mg/kg) abolished positive inotropy induced by PAG+l-cysteine pretreatment (l-NAME + PAG + l-cysteine, n = 7). Thus, PAG + l-cysteine administration improves the Frank-Starling response by upregulating mitochondrial H2S, glutathione, and NO synthesis, which may be a promising approach in the treatment of myocardial dysfunction.
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Affiliation(s)
- Yulia V Goshovska
- Department of Blood Circulation, Bogomoletz Institute of Physiology, National Academy of Sciences of Ukraine, Kyiv, Ukraine
- Department of Blood Circulation, Bogomoletz Institute of Physiology, National Academy of Sciences of Ukraine, Kyiv, Ukraine
| | - Raisa A Fedichkina
- Department of Blood Circulation, Bogomoletz Institute of Physiology, National Academy of Sciences of Ukraine, Kyiv, Ukraine
- Department of Blood Circulation, Bogomoletz Institute of Physiology, National Academy of Sciences of Ukraine, Kyiv, Ukraine
| | - Yulia P Korkach
- Department of Blood Circulation, Bogomoletz Institute of Physiology, National Academy of Sciences of Ukraine, Kyiv, Ukraine
- Department of Blood Circulation, Bogomoletz Institute of Physiology, National Academy of Sciences of Ukraine, Kyiv, Ukraine
| | - Vadym F Sagach
- Department of Blood Circulation, Bogomoletz Institute of Physiology, National Academy of Sciences of Ukraine, Kyiv, Ukraine
- Department of Blood Circulation, Bogomoletz Institute of Physiology, National Academy of Sciences of Ukraine, Kyiv, Ukraine
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95
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Cabillon NAR, Lazado CC. Exogenous sulphide donors modify the gene expression patterns of Atlantic salmon nasal leukocytes. FISH & SHELLFISH IMMUNOLOGY 2022; 120:1-10. [PMID: 34758396 DOI: 10.1016/j.fsi.2021.11.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 11/04/2021] [Indexed: 06/13/2023]
Abstract
Hydrogen sulphide (H2S) is a known mediator of immunity, but the regulatory function of its exogenous form is not well understood in fish particularly in the mucosa. Here we report transcriptomic changes in the nasal leukocytes of Atlantic salmon (Salmo salar) following exposure to two forms of H2S donors - the salt sodium hydrosulfide (NaHS) and the organic analogue morpholin-4-ium 4-methoxyphenyl (morpholino) phosphinodithioate (GYY4137). Nasal leukocytes were exposed to three concentrations (1, 10 and 100 μM) of either of the two H2S forms for 24 h before the cells were checked for viability and collected for microarray analysis. Though cellular viability was minimally affected by the exposure to two H2S donors, GYY4137-exposed cells exhibited reduced viability compared with the NaHS group at the highest dose. The H2S-induced transcriptomic changes in the nasal leukocytes were concentration-dependent regardless of the sulphide forms. However, a larger number of differentially expressed genes (DEGs) were identified in the NaHS-exposed versus GYY4137-exposed groups across concentrations. In all comparisons, at least 53% of the DEGs identified were significantly upregulated. Gene ontology (GO) terms enriched in the lists of upregulated DEGs at higher concentrations included ferric iron binding. A comparison of the two H2S forms showed a clear grouping of different GO terms relative to concentrations. Pathway enrichment analysis revealed a significant influence in VEGF ligand-receptor interactions, oxidative stress, innate and adaptive immunity, and interleukin signalling especially at higher concentrations. Congruence analysis demonstrated that there were 16 GO terms overlapping; of these, 12 were upregulated by both sulphide donors including several involving iron binding and transport. The study offers the first molecular insights into how fish nasal leukocytes respond to exogenous H2S, and the results will be vital in resolving the regulatory function of H2S on mucosal immunity in fish.
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Affiliation(s)
- Nikko Alvin R Cabillon
- Department of Animal Sciences, Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Carlo C Lazado
- Nofima, The Norwegian Institute of Food, Fisheries and Aquaculture Research, 1433, Ås, Norway.
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96
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Wang D, Ye J, Shi R, Zhao B, Liu Z, Lin W, Liu X. Dietary protein and amino acid restriction: Roles in metabolic health and aging-related diseases. Free Radic Biol Med 2022; 178:226-242. [PMID: 34890767 DOI: 10.1016/j.freeradbiomed.2021.12.009] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 12/03/2021] [Accepted: 12/04/2021] [Indexed: 12/13/2022]
Abstract
The prevalence of obesity is a worldwide phenomenon in all age groups and is associated with aging-related diseases such as type 2 diabetes, as well metabolic and cardiovascular diseases. The use of dietary restriction (DR) while avoiding malnutrition has many profound beneficial effects on aging and metabolic health, and dietary protein or specific amino acid (AA) restrictions, rather than overall calorie intake, are considered to play key roles in the effects of DR on host health. Whereas comprehensive reviews of the underlying mechanisms are limited, protein restriction and methionine (Met) restriction improve metabolic health and aging-related neurodegenerative diseases, and may be associated with FGF21, mTOR and autophagy, improved mitochondrial function and oxidative stress. Circulating branched-chain amino acids (BCAAs) are inversely correlated with metabolic health, and BCAAs and leucine (Leu) restriction promote metabolic homeostasis in rodents. Although tryptophan (Trp) restriction extends the lifespan of rodents, the Trp-restricted diet is reported to increase inflammation in aged mice, while severe Trp restriction has side effects such as anorexia. Furthermore, inadequate protein intake in the elderly increases the risk of muscle-centric health. Therefore, the restriction of specific AAs may be an effective and executable dietary manipulation for metabolic and aging-related health in humans, which warrants further investigation to elucidate the underlying mechanisms.
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Affiliation(s)
- Danna Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Jin Ye
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Renjie Shi
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Beita Zhao
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Zhigang Liu
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Wei Lin
- Department of Neurosurgery, Xijing Institute of Clinical Neuroscience, Xijing Hospital, Air Force Medical University, Xi'an, Shanxi, China.
| | - Xuebo Liu
- College of Food Science and Engineering, Northwest A&F University, Yangling, China.
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97
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Zhang Q, Shen Z, Shen Y, Ma M, Jue H, Zhu Y, Guo W. The regulatory role of MiR-203 in oxidative stress induced cell injury through the CBS/H 2S pathway. Nitric Oxide 2022; 118:31-38. [PMID: 34756996 DOI: 10.1016/j.niox.2021.10.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 10/23/2021] [Accepted: 10/25/2021] [Indexed: 10/20/2022]
Abstract
Hydrogen Sulfide (H2S) mediates biological effects in a variety of ways. Due to its strong reducing potential, H2S has been recognized to have an important role in oxidative stress induced hypoxia. It has been reported that H2S production and miRNA can mutually regulate each other. H2S is produced by the catalytic activity of cystathionine-β-synthase (CBS), which is under the regulation of miRNAs. In this study, we used target gene prediction software, and identified miR-203 as a potential regulator of CBS. We verified this finding using an oxygen and glucose deprivation (OGD) hypoxia cell model in SH-SY5Y cells and pMIR-REPORT™ luciferase miRNA expression reporter vector. Furthermore, transfecting SH-SY5Y cells with miRNA agomir (agonist) and antagomir (antagonist) by lipofectamin RNAiMAX, we further validated miR-203 as a direct regulator of CBS. We also found that miR-203 protects from cell injury by regulating lipid peroxidation, cell apoptosis, and mitochondrial membrane potential. These findings suggest that while over-expression of miR-203 can aggravate OGD induced cell injury, inhibition of miR-203 can protect against OGD induced cell injury. Based on our data and that of others, we propose that miR-203 may regulate oxidative stress induced cell injury by regulating CBS expression and adjusting the levels of H2S production.
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Affiliation(s)
- Qiuyan Zhang
- Yantai Institute of Materia Medica, Yantai Branch, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, China; Shanghai Key Laboratory of Bioactive Small Molecules, Department of Pharmacology, School of Pharmacy, Fudan University, 826, Zhangheng Road, Pudong New District, Shanghai, 201203, China; Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Yantai University, Yantai, 264005, China
| | - Zhuqing Shen
- Shanghai Key Laboratory of Bioactive Small Molecules, Department of Pharmacology, School of Pharmacy, Fudan University, 826, Zhangheng Road, Pudong New District, Shanghai, 201203, China; Department of Pharmacy, Eye Ear Nose Throat Hospital of Fudan University, No. 83, Fenyang Road, Shanghai, 200031, China
| | - Yaqi Shen
- Shanghai Key Laboratory of Bioactive Small Molecules, Department of Pharmacology, School of Pharmacy, Fudan University, 826, Zhangheng Road, Pudong New District, Shanghai, 201203, China
| | - Muye Ma
- Shanghai Key Laboratory of Bioactive Small Molecules, Department of Pharmacology, School of Pharmacy, Fudan University, 826, Zhangheng Road, Pudong New District, Shanghai, 201203, China
| | - Hao Jue
- Shanghai Key Laboratory of Bioactive Small Molecules, Department of Pharmacology, School of Pharmacy, Fudan University, 826, Zhangheng Road, Pudong New District, Shanghai, 201203, China
| | - Yizhun Zhu
- Shanghai Key Laboratory of Bioactive Small Molecules, Department of Pharmacology, School of Pharmacy, Fudan University, 826, Zhangheng Road, Pudong New District, Shanghai, 201203, China; State Key Laboratory of Quality Research in Chinese Medicine and School of Pharmacy, Macau University of Science and Technology, Macau, China
| | - Wei Guo
- Shanghai Key Laboratory of Bioactive Small Molecules, Department of Pharmacology, School of Pharmacy, Fudan University, 826, Zhangheng Road, Pudong New District, Shanghai, 201203, China.
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98
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Seregina TA, Lobanov KV, Shakulov RS, Mironov AS. Enhancement of the Bactericidal Effect of Antibiotics by Inhibition of Enzymes Involved in Production of Hydrogen Sulfide in Bacteria. Mol Biol 2022; 56:638-648. [PMID: 36217334 PMCID: PMC9534473 DOI: 10.1134/s0026893322050120] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 03/28/2022] [Accepted: 03/28/2022] [Indexed: 11/23/2022]
Abstract
Counteraction of the origin and distribution of multidrug-resistant pathogens responsible for intra-hospital infections is a worldwide issue in medicine. In this brief review, we discuss the results of our recent investigations, which argue that many antibiotics, along with inactivation of their traditional biochemical targets, can induce oxidative stress (ROS production), thus resulting in increased bactericidal efficiency. As we previously showed, hydrogen sulfide, which is produced in the cells of different pathogens protects them not only against oxidative stress but also against bactericidal antibiotics. Next, we clarified the interplay of oxidative stress, cysteine metabolism, and hydrogen sulfide production. Finally, demonstrated that small molecules, which inhibit a bacterial enzyme involved in hydrogen sulfide production, potentiate bactericidal antibiotics including quinolones, beta-lactams, and aminoglycosides against bacterial pathogens in in vitro and in mouse models of infection. These inhibitors also suppress bacterial tolerance to antibiotics by disrupting the biofilm formation and substantially reducing the number of persister bacteria, which survive the antibiotic treatment. We hypothesise that agents which limit hydrogen sulfide biosynthesis are effective tools to counteract the origin and distribution of multidrug-resistant pathogens.
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Affiliation(s)
- T. A. Seregina
- Engelhardt Institute of Molecular Biology, Russian Academy of Science, 119991 Moscow, Russia
| | - K. V. Lobanov
- Engelhardt Institute of Molecular Biology, Russian Academy of Science, 119991 Moscow, Russia
| | - R. S. Shakulov
- Engelhardt Institute of Molecular Biology, Russian Academy of Science, 119991 Moscow, Russia
| | - A. S. Mironov
- Engelhardt Institute of Molecular Biology, Russian Academy of Science, 119991 Moscow, Russia
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99
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Mao Z, Huang Y, Li B, Tomoya K, Shinmori H, Zeng X, Gu Z, Yao J. Hydrogen sulfide as a potent scavenger of toxicant acrolein. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 229:113111. [PMID: 34952378 DOI: 10.1016/j.ecoenv.2021.113111] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 12/07/2021] [Accepted: 12/19/2021] [Indexed: 06/14/2023]
Abstract
Acrolein (ACR) is a metabolic byproduct in vivo and a ubiquitous environmental toxicant. It is implicated in the initiation and development of many diseases through multiple mechanisms, including the induction of oxidative stress. Currently, our understanding of the body defense mechanism against ACR toxicity is still limited. Given that hydrogen sulfide (H2S) has strong antioxidative actions and it shares several properties of ACR scavenger glutathione (GSH), we, therefore, tested whether H2S could be involved in ACR detoxification. Taking advantage of two cell lines that produced different levels of endogenous H2S, we found that the severity of ACR toxicity was reversely correlated with H2S-producing ability. In further support of the role of H2S, supplementing cells with exogenous H2S increased cell resistance to ACR, whereas inhibition of endogenous H2S sensitized cells to ACR. In vivo experiments showed that inhibition of endogenous H2S with CSE inhibitor markedly increased mouse susceptibility to the toxicity of cyclophosphamide and ACR, as evidenced by the increased mortality and worsened organ injury. Further analysis revealed that H2S directly reacted with ACR. It promoted ACR clearance and prevented ACR-initiated protein carbonylation. Collectively, this study characterized H2S as a presently unrecognized endogenous scavenger of ACR and suggested that H2S can be exploited to prevent and treat ACR-associated diseases.
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Affiliation(s)
- Zhimin Mao
- Institute of Reproductive Medicine, Nantong University, Nantong, China; Division of Molecular Signaling, Department of the Advanced Biomedical Research, Interdisciplinary Graduate School of Medicine, University of Yamanashi, Kofu, Japan.
| | - Yanru Huang
- Division of Molecular Signaling, Department of the Advanced Biomedical Research, Interdisciplinary Graduate School of Medicine, University of Yamanashi, Kofu, Japan
| | - Bingqian Li
- Institute of Reproductive Medicine, Nantong University, Nantong, China
| | - Kazutoshi Tomoya
- Department of Biotechnology, Faculty of Life and Environmental Sciences, Graduate Faculty of Interdisciplinary Research, University of Yamanashi, Kofu, Japan
| | - Hideyuki Shinmori
- Department of Biotechnology, Faculty of Life and Environmental Sciences, Graduate Faculty of Interdisciplinary Research, University of Yamanashi, Kofu, Japan
| | - Xuhui Zeng
- Institute of Reproductive Medicine, Nantong University, Nantong, China
| | - Zhifeng Gu
- Department of Rheumatology, The Affiliated Hospital of Nantong University, Nantong, China
| | - Jian Yao
- Division of Molecular Signaling, Department of the Advanced Biomedical Research, Interdisciplinary Graduate School of Medicine, University of Yamanashi, Kofu, Japan.
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100
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Bibli SI, Fleming I. Oxidative Post-Translational Modifications: A Focus on Cysteine S-Sulfhydration and the Regulation of Endothelial Fitness. Antioxid Redox Signal 2021; 35:1494-1514. [PMID: 34346251 DOI: 10.1089/ars.2021.0162] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Significance: Changes in the oxidative balance can affect cellular physiology and adaptation through redox signaling. The endothelial cells that line blood vessels are particularly sensitive to reactive oxygen species, which can alter cell function by a number of mechanisms, including the oxidative post-translational modification (oxPTM) of proteins on critical cysteine thiols. Such modifications can act as redox-switches to alter the function of targeted proteins. Recent Advances: Mapping the cysteine oxPTM proteome and characterizing the effects of individual oxPTMs to gain insight into consequences for cellular responses has proven challenging. A recent addition to the list of reversible oxPTMs that contributes to cellular redox homeostasis is persulfidation or S-sulfhydration. Critical Issues: It has been estimated that up to 25% of proteins are S-sulfhydrated, making this modification almost as abundant as phosphorylation. In the endothelium, persulfides are generated by the trans-sulfuration pathway that catabolizes cysteine and cystathionine to generate hydrogen sulfide (H2S) and H2S-related sulfane sulfur compounds (H2Sn). This pathway is of particular importance for the vascular system, as the enzyme cystathionine γ lyase (CSE) in endothelial cells accounts for a significant portion of total vascular H2S/H2Sn production. Future Directions: Impaired CSE activity in endothelial dysfunction has been linked with marked changes in the endothelial cell S-sulfhydrome and can contribute to the development of atherosclerosis and hypertension. It will be interesting to determine how changes in the S-sulfhydration of specific networks of proteins contribute to endothelial cell physiology and pathophysiology. Antioxid. Redox Signal. 35, 1494-1514.
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Affiliation(s)
- Sofia-Iris Bibli
- Institute for Vascular Signalling, Centre for Molecular Medicine, Goethe University, Frankfurt am Main, Germany.,German Center of Cardiovascular Research (DZHK), Partner Site RheinMain, Frankfurt am Main, Germany
| | - Ingrid Fleming
- Institute for Vascular Signalling, Centre for Molecular Medicine, Goethe University, Frankfurt am Main, Germany.,German Center of Cardiovascular Research (DZHK), Partner Site RheinMain, Frankfurt am Main, Germany
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