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Ali R, Sen S, Hameed R, Nazir A, Verma S. Strategies for gaseous neuromodulator release in chemical neuroscience: Experimental approaches and translational validation. J Control Release 2024; 365:132-160. [PMID: 37972768 DOI: 10.1016/j.jconrel.2023.11.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 11/03/2023] [Accepted: 11/08/2023] [Indexed: 11/19/2023]
Abstract
Gasotransmitters are a group of short-lived gaseous signaling molecules displaying diverse biological functions depending upon their localized concentration. Nitric oxide (NO), hydrogen sulfide (H2S), and carbon monoxide (CO) are three important examples of endogenously produced gasotransmitters that play a crucial role in human neurophysiology and pathogenesis. Alterations in their optimal physiological concentrations can lead to various severe pathophysiological consequences, including neurological disorders. Exogenous administration of gasotransmitters has emerged as a prominent therapeutic approach for treating such neurological diseases. However, their gaseous nature and short half-life limit their therapeutic delivery. Therefore, developing synthetic gasotransmitter-releasing strategies having control over the release and duration of these gaseous molecules has become imperative. However, the complex chemistry of synthesis and the challenges of specific quantified delivery of these gases, make their therapeutic application a challenging task. This review article provides a focused overview of emerging strategies for delivering gasotransmitters in a controlled and sustained manner to re-establish neurophysiological homeostasis.
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Affiliation(s)
- Rafat Ali
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, UP, India
| | - Shantanu Sen
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, UP, India
| | - Rohil Hameed
- Division of Neuroscience and Ageing Biology, CSIR-Central Drug Research Institute, Lucknow 226031, UP, India
| | - Aamir Nazir
- Division of Neuroscience and Ageing Biology, CSIR-Central Drug Research Institute, Lucknow 226031, UP, India.
| | - Sandeep Verma
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, UP, India; Center for Nanoscience, Indian Institute of Technology Kanpur, Kanpur 208016, UP, India; Mehta Family Center for Engineering in Medicine, Indian Institute of Technology Kanpur, Kanpur 208016, UP, India.
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2
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Nguyen TTP, Nguyen PL, Park SH, Jung CH, Jeon TI. Hydrogen Sulfide and Liver Health: Insights into Liver Diseases. Antioxid Redox Signal 2024; 40:122-144. [PMID: 37917113 DOI: 10.1089/ars.2023.0404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/03/2023]
Abstract
Significance: Hydrogen sulfide (H2S) is a recently recognized gasotransmitter involved in physiological and pathological conditions in mammals. It protects organs from oxidative stress, inflammation, hypertension, and cell death. With abundant expression of H2S-production enzymes, the liver is closely linked to H2S signaling. Recent Advances: Hepatic H2S comes from various sources, including gut microbiota, exogenous sulfur salts, and endogenous production. Recent studies highlight the importance of hepatic H2S in liver diseases such as nonalcoholic fatty liver disease (NAFLD), liver injury, and cancer, particularly at advanced stages. Endogenous H2S production deficiency is associated with severe liver disease, while exogenous H2S donors protect against liver dysfunction. Critical Issues: However, the roles of H2S in NAFLD, liver injury, and liver cancer are still debated, and its effects depend on donor type, dosage, treatment duration, and cell type, suggesting a multifaceted role. This review aimed to critically evaluate H2S production, metabolism, mode of action, and roles in liver function and disease. Future Direction: Understanding H2S's precise roles and mechanisms in liver health will advance potential therapeutic applications in preclinical and clinical research. Targeting H2S-producing enzymes and exogenous H2S sources, alone or in combination with other drugs, could be explored. Quantifying endogenous H2S levels may aid in diagnosing and managing liver diseases. Antioxid. Redox Signal. 40, 122-144.
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Affiliation(s)
- Thuy T P Nguyen
- Department of Animal Science, College of Agriculture and Life Science, Chonnam National University, Gwangju, Republic of Korea
- Division of Radiation and Genome Stability, Department of Radiation Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA
| | - Phuc L Nguyen
- Department of Animal Science, College of Agriculture and Life Science, Chonnam National University, Gwangju, Republic of Korea
| | - So-Hyun Park
- Aging and Metabolism Research Group, Korea Food Research Institute, Wanju-gun, Republic of Korea
| | - Chang Hwa Jung
- Aging and Metabolism Research Group, Korea Food Research Institute, Wanju-gun, Republic of Korea
| | - Tae-Il Jeon
- Department of Animal Science, College of Agriculture and Life Science, Chonnam National University, Gwangju, Republic of Korea
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Song ZL, Zhao L, Ma T, Osama A, Shen T, He Y, Fang J. Progress and perspective on hydrogen sulfide donors and their biomedical applications. Med Res Rev 2022; 42:1930-1977. [PMID: 35657029 DOI: 10.1002/med.21913] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 05/18/2022] [Accepted: 05/23/2022] [Indexed: 12/22/2022]
Abstract
Following the discovery of nitric oxide (NO) and carbon monoxide (CO), hydrogen sulfide (H2 S) has been identified as the third gasotransmitter in humans. Increasing evidence have shown that H2 S is of preventive or therapeutic effects on diverse pathological complications. As a consequence, it is of great significance to develop suitable approaches of H2 S-based therapeutics for biomedical applications. H2 S-releasing agents (H2 S donors) play important roles in exploring and understanding the physiological functions of H2 S. More importantly, accumulating studies have validated the theranostic potential of H2 S donors in extensive repertoires of in vitro and in vivo disease models. Thus, it is imperative to summarize and update the literatures in this field. In this review, first, the background of H2 S on its chemical and biological aspects is concisely introduced. Second, the studies regarding the H2 S-releasing compounds are categorized and described, and accordingly, their H2 S-donating mechanisms, biological applications, and therapeutic values are also comprehensively delineated and discussed. Necessary comparisons between related H2 S donors are presented, and the drawbacks of many typical H2 S donors are analyzed and revealed. Finally, several critical challenges encountered in the development of multifunctional H2 S donors are discussed, and the direction of their future development as well as their biomedical applications is proposed. We expect that this review will reach extensive audiences across multiple disciplines and promote the innovation of H2 S biomedicine.
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Affiliation(s)
- Zi-Long Song
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu, China.,Botanical Agrochemicals Research & Development Center, Lanzhou Jiaotong University, Lanzhou, Gansu, China
| | - Lanning Zhao
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu, China.,School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, China
| | - Tao Ma
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu, China
| | - Alsiddig Osama
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu, China
| | - Tong Shen
- Botanical Agrochemicals Research & Development Center, Lanzhou Jiaotong University, Lanzhou, Gansu, China
| | - Yilin He
- Botanical Agrochemicals Research & Development Center, Lanzhou Jiaotong University, Lanzhou, Gansu, China
| | - Jianguo Fang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu, China.,School of Chemistry and Chemical Engineering, Nanjing University of Science & Technology, Nanjing, China
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Jantas D, Lasoń W. Preclinical Evidence for the Interplay between Oxidative Stress and RIP1-Dependent Cell Death in Neurodegeneration: State of the Art and Possible Therapeutic Implications. Antioxidants (Basel) 2021; 10:antiox10101518. [PMID: 34679652 PMCID: PMC8532910 DOI: 10.3390/antiox10101518] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 09/17/2021] [Accepted: 09/21/2021] [Indexed: 12/15/2022] Open
Abstract
Neurodegenerative diseases are the most frequent chronic, age-associated neurological pathologies having a major impact on the patient’s quality of life. Despite a heavy medical, social and economic burden they pose, no causative treatment is available for these diseases. Among the important pathogenic factors contributing to neuronal loss during neurodegeneration is elevated oxidative stress resulting from a disturbed balance between endogenous prooxidant and antioxidant systems. For many years, it was thought that increased oxidative stress was a cause of neuronal cell death executed via an apoptotic mechanism. However, in recent years it has been postulated that rather programmed necrosis (necroptosis) is the key form of neuronal death in the course of neurodegenerative diseases. Such assumption was supported by biochemical and morphological features of the dying cells as well as by the fact that various necroptosis inhibitors were neuroprotective in cellular and animal models of neurodegenerative diseases. In this review, we discuss the relationship between oxidative stress and RIP1-dependent necroptosis and apoptosis in the context of the pathomechanism of neurodegenerative disorders. Based on the published data mainly from cellular models of neurodegeneration linking oxidative stress and necroptosis, we postulate that administration of multipotential neuroprotectants with antioxidant and antinecroptotic properties may constitute an efficient pharmacotherapeutic strategy for the treatment of neurodegenerative diseases.
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Zhang P, Yu Y, Wang P, Shen H, Ling X, Xue X, Yang Q, Zhang Y, Xiao J, Wang Z. Role of Hydrogen Sulfide in Myocardial Ischemia-Reperfusion Injury. J Cardiovasc Pharmacol 2021; 77:130-141. [PMID: 33165141 DOI: 10.1097/fjc.0000000000000943] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Accepted: 10/13/2020] [Indexed: 12/28/2022]
Abstract
ABSTRACT Hydrogen sulfide (H2S), generally known as a new gas signal molecule after nitric oxide and carbon monoxide, has been found as an important endogenous gasotransmitter in the last few decades, and it plays a significant role in the cardiovascular system both pathologically and physiologically. In recent years, there is growing evidence that H2S provides myocardial protection against myocardial ischemia-reperfusion injury (MIRI), which resulted in an ongoing focus on the possible mechanisms of action accounting for the H2S cardioprotective effect. At present, lots of mechanisms of action have been verified through in vitro and in vivo models of I/R injury, such as S-sulfhydrated modification, antiapoptosis, effects on microRNA, bidirectional effect on autophagy, antioxidant stress, or interaction with NO and CO. With advances in understanding of the molecular pathogenesis of MIRI and pharmacology studies, the design, the development, and the pharmacological characterization of H2S donor drugs have made great important progress. This review summarizes the latest research progress on the role of H2S in MIRI, systematically explains the molecular mechanism of H2S affecting MIRI, and provides a new idea for the formulation of a myocardial protection strategy in the future.
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Affiliation(s)
- Peng Zhang
- Department of Cardiothoracic Surgery, Changzheng Hospital, Naval Medical University (Second Military Medical University), Shanghai, China; and
| | - Yue Yu
- Department of Cardiothoracic Surgery, Changzheng Hospital, Naval Medical University (Second Military Medical University), Shanghai, China; and
| | - Pei Wang
- Department of Cardiothoracic Surgery, Changzheng Hospital, Naval Medical University (Second Military Medical University), Shanghai, China; and
| | - Hua Shen
- Department of Cardiovascular Surgery, Chinese PLA General Hospital, Beijing, China
| | - Xinyu Ling
- Department of Cardiothoracic Surgery, Changzheng Hospital, Naval Medical University (Second Military Medical University), Shanghai, China; and
| | - Xiaofei Xue
- Department of Cardiothoracic Surgery, Changzheng Hospital, Naval Medical University (Second Military Medical University), Shanghai, China; and
| | - Qian Yang
- Department of Cardiothoracic Surgery, Changzheng Hospital, Naval Medical University (Second Military Medical University), Shanghai, China; and
| | - Yufeng Zhang
- Department of Cardiothoracic Surgery, Changzheng Hospital, Naval Medical University (Second Military Medical University), Shanghai, China; and
| | - Jian Xiao
- Department of Cardiothoracic Surgery, Changzheng Hospital, Naval Medical University (Second Military Medical University), Shanghai, China; and
| | - Zhinong Wang
- Department of Cardiothoracic Surgery, Changzheng Hospital, Naval Medical University (Second Military Medical University), Shanghai, China; and
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Zhao AS, Zou D, Wang HH, Han X, Yang P, Huang N. Hydrogen sulphide-releasing aspirin enhances cell capabilities of anti-oxidative lesions and anti-inflammation. Med Gas Res 2020; 9:145-152. [PMID: 31552879 PMCID: PMC6779009 DOI: 10.4103/2045-9912.266990] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Hydrogen sulphide (H2S) has been considered as a toxic gas for a long time till new researches discovered the endogenous H2S effects on physiological and pathological processes. In virtue of H2S’s effects on cellular redox imbalance and aspirin’s good anticoagulation property, exogenous H2S donors, such as H2S-releasing aspirin (ACS14), have been explored to attenuate side effects of aspirin on gastrointestinal mucosal damage. However, existing researches mainly focus on the antithrombotic effects. Considering H2S role in angiogenesis and vascular-protection progress, we herein focused on if ACS14 further has the ability to attenuate oxidative lesion and inflammation in human umbilical vein endothelial cells (HUVECs) and macrophages. In this study, we synthesized ACS14 by 5-(4-methoxyphenyl)-1,2-dithiole-3-thione and o-acetylsalicylic acid (aspirin), and the obtained compounds showed the ability to release H2S. Our data illustrated that both aspirin and ACS14 had good cytocompatibility, and could support the proliferation of HUVECs. And, ACS14 was found to be able to promote 1.6 folds increase compared to aspirin. H2S released from ACS14 was detected inside cells, wherein H2S fluorescence intensity increased twofold in 5 μM and 10 μM ACS14 groups than 1 μM group. Owing to reactive oxygen species inside cells being obviously decreased in ACS14 group, the apoptosis rate of HUVEC herein was reduced as low as 1.6% from 60% of blank group. Meanwhile, the tumour necrosis factor alpha release in macrophage was also declined by 15% in ACS14 groups than the others. Basically, the ACS14 we obtained had the cyto-protective and anti-inflammatory capabilities. Potential applications for vascular intima repair in atherosclerosis are further expected.
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Affiliation(s)
- An-Sha Zhao
- Key Laboratory for Advanced Technologies of Materials, Ministry of Education; School of Material Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan Province, China
| | - Dan Zou
- Key Laboratory for Advanced Technologies of Materials, Ministry of Education; School of Material Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan Province, China
| | - Hao-Hao Wang
- Key Laboratory for Advanced Technologies of Materials, Ministry of Education; School of Material Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan Province, China
| | - Xiao Han
- Key Laboratory for Advanced Technologies of Materials, Ministry of Education; School of Material Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan Province, China
| | - Ping Yang
- Key Laboratory for Advanced Technologies of Materials, Ministry of Education; School of Material Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan Province, China
| | - Nan Huang
- Key Laboratory for Advanced Technologies of Materials, Ministry of Education; School of Material Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan Province, China
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7
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Han Y, Shang Q, Yao J, Ji Y. Hydrogen sulfide: a gaseous signaling molecule modulates tissue homeostasis: implications in ophthalmic diseases. Cell Death Dis 2019; 10:293. [PMID: 30926772 PMCID: PMC6441042 DOI: 10.1038/s41419-019-1525-1] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Revised: 02/12/2019] [Accepted: 03/11/2019] [Indexed: 12/14/2022]
Abstract
Hydrogen sulfide (H2S) serves as a gasotransmitter in the regulation of organ development and maintenance of homeostasis in tissues. Its abnormal levels are associated with multiple human diseases, such as neurodegenerative disease, myocardial injury, and ophthalmic diseases. Excessive exposure to H2S could lead to cellular toxicity, orchestrate pathological process, and increase the risk of various diseases. Interestingly, under physiological status, H2S plays a critical role in maintaining cellular physiology and limiting damages to tissues. In mammalian species, the generation of H2S is catalyzed by cystathionine beta-synthase (CBS), cystathionine gamma-lyase (CSE), 3-mercapto-methylthio pyruvate aminotransferase (3MST) and cysteine aminotransferase (CAT). These enzymes are found inside the mammalian eyeballs at different locations. Their aberrant expression and the accumulation of substrates and intermediates can change the level of H2S by orders of magnitude, causing abnormal structures or functions in the eyes. Detailed investigations have demonstrated that H2S donors' administration could regulate intraocular pressure, protect retinal cells, inhibit oxidative stress and alleviate inflammation by modulating the function of intra or extracellular proteins in ocular tissues. Thus, several slow-releasing H2S donors have been shown to be promising drugs for treating multiple diseases. In this review, we discuss the biological function of H2S metabolism and its application in ophthalmic diseases.
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Affiliation(s)
- Yuyi Han
- Department of Ophthalmology, Nanjing Medical University Affiliated Wuxi Second Hospital, Wuxi, China
| | - Qianwen Shang
- Institutes for Translational Medicine, Soochow University Medical College, Suzhou, China
| | - Jin Yao
- The Affiliated Eye Hospital of Nanjing Medical University, Nanjing, China.
- The Fourth School of Clinical Medicine, Nanjing Medical University, Nanjing, China.
| | - Yong Ji
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, Key Laboratory of Targeted Intervention of Cardiovascular Disease, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, Nanjing, China.
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8
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Patil A, Singh S, Opere C, Dash A. Sustained-Release Delivery System of a Slow Hydrogen Sulfide Donor, GYY 4137, for Potential Application in Glaucoma. AAPS PharmSciTech 2017; 18:2291-2302. [PMID: 28101725 DOI: 10.1208/s12249-017-0712-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2016] [Accepted: 01/03/2017] [Indexed: 02/03/2023] Open
Abstract
Hydrogen sulfide (H2S) targets both underlying factors in glaucoma pathogenesis by reducing elevated intraocular pressure (IOP) and providing retinal neuroprotection, whereas the current clinical approaches targets only reducing IOP. Therefore, H2S could be a potential superior candidate for glaucoma pharmacotherapy. However, H2S could be toxic in a concentration greater than 200 μM and its donors are unstable in water. Therefore, this study investigated the preparation and characterization of a non-aqueous in situ gelling sustained-release delivery system for H2S donors. The delivery system was prepared by dissolving GYY 4137, a H2S donor, in poly lactide-co-glycolide polymer (PLGA) (Resomer® RG 502H) solution prepared by dissolving polymer in a mixture of benzyl alcohol and benzyl benzoate in a ratio of 7:3, respectively. The GYY 4137 formulation was characterized for syringeability/injectability, change in pH and tonicity, moisture content, GYY 4137 degradation, and toxicity using rheometer, pH and osmometer, Karl Fisher titrimeter, NMR spectrometer, and Y79 retinoblastoma cells, respectively. The formulation was easily syringeable and injectable as evidenced by rheological data (plastic flow pattern with 43.89 ± 3.21 cP viscosity and 1.12 ± 0.15 Pa yield value). The pH, tonicity, and moisture content values were within acceptable range. NMR spectroscopy indicated presence of 4-methoxyphenylphosphonic acid (GYY 4137 degradation product). The GYY 4137 formulation did not show any significant (p < 0.05) toxicity except the solvent mixture. A sustained release of H2S was observed up to 72 h. The in situ gel forming PLGA-based system can be manipulated to achieve sustained release of H2S from its donor GYY 4137.
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Ryul Ahn H, Kim KA, Kang SW, Lee JY, Kim TJ, Jung SH. Persimmon Leaves (Diospyros kaki) Extract Protects Optic Nerve Crush-Induced Retinal Degeneration. Sci Rep 2017; 7:46449. [PMID: 28425487 PMCID: PMC5397840 DOI: 10.1038/srep46449] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2016] [Accepted: 03/20/2017] [Indexed: 01/27/2023] Open
Abstract
Retinal ganglion cell (RGC) death is part of many retinal diseases. Here, we report that the ethanol extract of Diospyros kaki (EEDK) exhibits protective properties against retinal degeneration, both in vitro and in vivo. Upon exposure to cytotoxic compounds, RGC-5 cells showed approximately 40% cell viability versus the control, while pre-treatment with EEDK markedly increased cell viability in a concentration-dependent manner. Further studies revealed that cell survival induced by EEDK was associated with decreased levels of apoptotic proteins, such as poly (ADP-ribose) polymerase, p53, and cleaved caspase-3. In addition to apoptotic pathways, we demonstrated that expression levels of antioxidant-associated proteins, such as superoxide dismutase-1, glutathione S-transferase, and glutathione peroxidase-1, were positively modulated by EEDK. In a partial optic nerve crush mouse model, EEDK had similar ameliorating effects on retinal degeneration resulting from mechanical damages. Therefore, our results suggest that EEDK may have therapeutic potential against retinal degenerative disorders, such as glaucoma.
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Affiliation(s)
- Hong Ryul Ahn
- Natural Products Research Center, Korea Institute of Science and Technology (KIST), Gangneung 25451, Republic of Korea
| | - Kyung-A Kim
- Natural Products Research Center, Korea Institute of Science and Technology (KIST), Gangneung 25451, Republic of Korea.,Department of Biological Chemistry, Korea University of Science and Technology (UST), Daejeon 34113, Republic of Korea
| | - Suk Woo Kang
- Natural Products Research Center, Korea Institute of Science and Technology (KIST), Gangneung 25451, Republic of Korea
| | - Joo Young Lee
- Natural Products Research Center, Korea Institute of Science and Technology (KIST), Gangneung 25451, Republic of Korea
| | - Tae-Jin Kim
- Natural Products Research Center, Korea Institute of Science and Technology (KIST), Gangneung 25451, Republic of Korea.,Department of Biological Chemistry, Korea University of Science and Technology (UST), Daejeon 34113, Republic of Korea.,Department of Biological Sciences, Pusan National University, Busan 46241, Republic of Korea
| | - Sang Hoon Jung
- Natural Products Research Center, Korea Institute of Science and Technology (KIST), Gangneung 25451, Republic of Korea.,Department of Biological Chemistry, Korea University of Science and Technology (UST), Daejeon 34113, Republic of Korea
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Zheng Y, Yu B, De La Cruz LK, Roy Choudhury M, Anifowose A, Wang B. Toward Hydrogen Sulfide Based Therapeutics: Critical Drug Delivery and Developability Issues. Med Res Rev 2017; 38:57-100. [PMID: 28240384 DOI: 10.1002/med.21433] [Citation(s) in RCA: 115] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Revised: 11/10/2016] [Accepted: 11/29/2016] [Indexed: 12/16/2022]
Abstract
Hydrogen sulfide (H2 S), together with nitric oxide (NO) and carbon monoxide (CO), belongs to the gasotransmitter family and plays important roles in mammals as a signaling molecule. Many studies have also shown the various therapeutic effects of H2 S, which include protection against myocardial ischemia injury, cytoprotection against oxidative stress, mediation of neurotransmission, inhibition of insulin signaling, regulation of inflammation, inhibition of the hypoxia-inducible pathway, and dilation of blood vessels. One major challenge in the development of H2 S-based therapeutics is its delivery. In this manuscript, we assess the various drug delivery strategies in the context of being used research tools and eventual developability as therapeutic agents.
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Affiliation(s)
- Yueqin Zheng
- Department of Chemistry, Georgia State University, Atlanta, Georgia
| | - Bingchen Yu
- Department of Chemistry, Georgia State University, Atlanta, Georgia
| | | | | | | | - Binghe Wang
- Department of Chemistry, Georgia State University, Atlanta, Georgia
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11
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Synthesis and biological evaluation of the codrug of Leonurine and Aspirin as cardioprotective agents. Bioorg Med Chem Lett 2016; 26:4650-4654. [PMID: 27575471 DOI: 10.1016/j.bmcl.2016.08.058] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2016] [Revised: 08/03/2016] [Accepted: 08/19/2016] [Indexed: 11/23/2022]
Abstract
The novel codrugs of Leonurine and Aspirin, compounds 545 and 503 have been synthesized and evaluated on their cardioprotective effects. Preliminary pharmacological studies showed that both compounds 545 and 503 were able to increase cell viability of hypoxia-induced H9c2 cells, and compound 545 exhibited at least ten fold potency than 503 and their parent drugs (Leonurine and Aspirin). Further mechanisms studies indicated that the cardioprotective effect of 545 due to its (1) anti-oxidative ability by increasing SOD and CAT enzymes activity and decreasing MDA content and LDH leakage rate, (2) anti-apoptosis activity by regulating apoptosis-associated proteins expression during hypoxia, (3) anti-inflammatory effect by suppression of pro-inflammatory mediators. All of these results demonstrate that compound 545 as a new class of Leonurine analogue could be a drug candidate in our further drug development studies.
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12
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Wang XY, Yang HW. Upregulation of CBS/H2S system contributes to asymmetric dimethylarginine-triggered protection against the neurotoxicity of glutamate to PC12 cells by inhibiting NOS/NO pathway. Exp Cell Res 2016; 346:111-8. [PMID: 27321959 DOI: 10.1016/j.yexcr.2016.06.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2016] [Revised: 06/02/2016] [Accepted: 06/14/2016] [Indexed: 11/27/2022]
Abstract
Glutamate-induced neurotoxicity involves in overproduction of nitric oxide (NO) and oxidative stress. Our previous data demonstrated that asymmetric dimethylarginine (ADMA), an endogenous nitric oxide synthase (NOS) inhibitor, has a protective effect against glutamate-induced neurotoxicity. Hydrogen sulfide (H2S), the third endogenous gaseous mediator, has potential therapeutic value for oxidative stress-induced neural damage. Therefore, we hypothesized that ADMA provides protection against the neurotoxicity of glutamate by regulating endogenous H2S generation. In the present study, we found that ADMA prevented glutamate-triggered decrease in endogenous H2S generation in PC12 cells and reversed glutamate-induced suppression in the expression and activity of cystathionine-β-synthetase (CBS), the predominant enzymatic source of H2S in PC12 cells. Furthermore, AOAA, a potent inhibitor of CBS, significantly abolished the protective action of ADMA against glutamate-induced neurotoxicity to PC12 cells. We also showed that ADMA suppressed glutamate-elicited NOS excessive activation and NO overproduction in PC12 cells. These data indicate that the protection of ADMA against glutamate-induced neurotoxicity is by promoting endogenous H2S generation, resulting from suppression in NOS excessive activation and NO overproduction. These findings provide a novel mechanism underlying the protection of ADMA against glutamate-induced neurotoxicity.
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Affiliation(s)
- Xiang-Yu Wang
- Department of Neurology, Third Clinical Hospital, China Three Gorges University, 60 Qiaohu 1st Road, 443002 Yichang, PR China; Department of Neurology, Gezhouba Central Hospital, 443002 Yichang, PR China.
| | - Hong-Wei Yang
- Department of Physiology, college of medical sciences, China Three Gorges University, 443002 Yichang, PR China
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13
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Bos EM, van Goor H, Joles JA, Whiteman M, Leuvenink HGD. Hydrogen sulfide: physiological properties and therapeutic potential in ischaemia. Br J Pharmacol 2016; 172:1479-93. [PMID: 25091411 DOI: 10.1111/bph.12869] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2013] [Revised: 06/19/2014] [Accepted: 07/27/2014] [Indexed: 12/19/2022] Open
Abstract
Hydrogen sulfide (H2 S) has become a molecule of high interest in recent years, and it is now recognized as the third gasotransmitter in addition to nitric oxide and carbon monoxide. In this review, we discuss the recent literature on the physiology of endogenous and exogenous H2 S, focusing upon the protective effects of hydrogen sulfide in models of hypoxia and ischaemia.
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Affiliation(s)
- Eelke M Bos
- Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands; Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
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Cha JB, Kwon MY, Chung SW, Woo JM. Neuroprotective Effects of Betaxolol Mediated by Heme Oxygenase-1 Induction in RGC-5. JOURNAL OF THE KOREAN OPHTHALMOLOGICAL SOCIETY 2016. [DOI: 10.3341/jkos.2016.57.1.113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Jae Bong Cha
- Department of Ophthalmology, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea
| | - Min Young Kwon
- Biological Sciences, University of Ulsan College of Natural Science, Ulsan, Korea
| | - Su Wol Chung
- Biological Sciences, University of Ulsan College of Natural Science, Ulsan, Korea
| | - Je Moon Woo
- Department of Ophthalmology, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea
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15
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Zheng Y, Ji X, Ji K, Wang B. Hydrogen sulfide prodrugs-a review. Acta Pharm Sin B 2015; 5:367-77. [PMID: 26579468 PMCID: PMC4629439 DOI: 10.1016/j.apsb.2015.06.004] [Citation(s) in RCA: 83] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2015] [Accepted: 06/03/2015] [Indexed: 01/06/2023] Open
Abstract
Hydrogen sulfide (H2S) is recognized as one of three gasotransmitters together with nitric oxide (NO) and carbon monoxide (CO). As a signaling molecule, H2S plays an important role in physiology and shows great potential in pharmaceutical applications. Along this line, there is a need for the development of H2S prodrugs for various reasons. In this review, we summarize different H2S prodrugs, their chemical properties, and some of their potential therapeutic applications.
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16
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Hydrogen sulfide in pharmacology and medicine – An update. Pharmacol Rep 2015; 67:647-58. [DOI: 10.1016/j.pharep.2015.01.005] [Citation(s) in RCA: 105] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2014] [Accepted: 01/05/2015] [Indexed: 12/17/2022]
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17
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Role of Hydrogen Sulfide in Ischemia-Reperfusion Injury. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2015; 2015:186908. [PMID: 26064416 PMCID: PMC4443900 DOI: 10.1155/2015/186908] [Citation(s) in RCA: 83] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/17/2014] [Revised: 12/10/2014] [Accepted: 12/10/2014] [Indexed: 12/13/2022]
Abstract
Ischemia-reperfusion (I/R) injury is one of the major causes of high morbidity, disability, and mortality in the world. I/R injury remains a complicated and unresolved situation in clinical practice, especially in the field of solid organ transplantation. Hydrogen sulfide (H2S) is the third gaseous signaling molecule and plays a broad range of physiological and pathophysiological roles in mammals. H2S could protect against I/R injury in many organs and tissues, such as heart, liver, kidney, brain, intestine, stomach, hind-limb, lung, and retina. The goal of this review is to highlight recent findings regarding the role of H2S in I/R injury. In this review, we present the production and metabolism of H2S and further discuss the effect and mechanism of H2S in I/R injury.
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Schmidl D, Schmetterer L, Garhöfer G, Popa-Cherecheanu A. Pharmacotherapy of glaucoma. J Ocul Pharmacol Ther 2015; 31:63-77. [PMID: 25587905 PMCID: PMC4346603 DOI: 10.1089/jop.2014.0067] [Citation(s) in RCA: 100] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2014] [Accepted: 10/31/2014] [Indexed: 12/25/2022] Open
Abstract
Glaucoma is a group of diseases involving the optic nerve and associated structures, which is characterized by progressive visual field loss and typical changes of the optic nerve head (ONH). The only known treatment of the disease is reduction of intraocular pressure (IOP), which has been shown to reduce glaucoma progression in a variety of large-scale clinical trials. Nowadays, a relatively wide array of topical antiglaucoma drugs is available, including prostaglandin analogues, carbonic anhydrase inhibitors, beta-receptor antagonists, adrenergic agonists, and parasympathomimetics. In clinical routine, this allows for individualized treatment taking risk factors, efficacy, and safety into account. A major challenge is related to adherence to therapy. Sustained release devices may help minimize this problem but are not yet available for clinical routine use. Another hope arises from non-IOP-related treatment concepts. In recent years, much knowledge has been gained regarding the molecular mechanisms that underlie the disease process in glaucoma. This also strengthens the hope that glaucoma therapy beyond IOP lowering will become available. Implementing this concept with clinical trials remains, however, a challenge.
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Affiliation(s)
- Doreen Schmidl
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
| | - Leopold Schmetterer
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
- Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Vienna, Austria
| | - Gerhard Garhöfer
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
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19
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Regulation of vascular tone in rabbit ophthalmic artery: cross talk of endogenous and exogenous gas mediators. Biochem Pharmacol 2014; 92:661-8. [PMID: 25451691 DOI: 10.1016/j.bcp.2014.10.011] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2014] [Revised: 10/20/2014] [Accepted: 10/24/2014] [Indexed: 01/12/2023]
Abstract
Nitric oxide (NO), carbon monoxide (CO) and hydrogen sulphide (H2S) modulate vascular tone. In view of their therapeutic potential for ocular diseases, we examined the effect of exogenous CO and H2S on tone of isolated rabbit ophthalmic artery and their interaction with endogenous and exogenous NO. Ophthalmic artery segments mounted on a wire myograph were challenged with cumulative concentrations of phenylephrine (PE) in the presence or absence of NG-nitro-L-arginine (LNNA) to inhibit production of NO, the CO-releasing molecules CORMs or the H2S-donor GYY4137. The maximal vasoconstriction elicited by PE reached 20-30% of that induced by KCl but was dramatically increased by incubation with LNNA. GYY4137 significantly raised PE-mediated vasoconstriction, but it did not change the response to PE in the presence of LNNA or the relaxation to sodium nitroprusside (SNP). CORMs concentration-dependently inhibited PE-induced constriction, an effect that was synergistic with endogenous NO (reduced by LNNA), but insensitive to blockade of guanylyl cyclase by 1H-[1,2,4]oxadiazolo[4,3,-α]quinoxalin-1-one (ODQ). In vascular tissues cyclic GMP (cGMP) levels seemed reduced by GYY4137 (not significantly), but were not changed by CORM. These data indicate that CO is able per se to relax isolated ophthalmic artery and to synergize with NO, while H2S counteracts the effect of endogenous NO. CO does not stimulate cGMP production in our system, while H2S may reduce cGMP production stimulated by endogenous NO. These findings provide new insights into the complexities of gas interactions in the control of ophthalmic vascular tone, highlighting potential pharmacological targets for ocular diseases.
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20
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Zhang X, Bian JS. Hydrogen sulfide: a neuromodulator and neuroprotectant in the central nervous system. ACS Chem Neurosci 2014; 5:876-83. [PMID: 25230373 DOI: 10.1021/cn500185g] [Citation(s) in RCA: 138] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
Hydrogen sulfide (H2S) used to be known as a toxic gas. However, in the last two decades, accumulating evidence has revealed its role as a bioactive molecule in the biological systems. H2S has relatively high expression in the brain, exerting multiple functions in both health and diseases. It modulates neurotransmission by influencing behaviors of NMDA receptors and second messenger systems including intracellular Ca(2+) concentration and intracellular cAMP levels and so forth. H2S shows potential therapeutic value in several CNS diseases including Alzheimer's disease, Parkinson's disease, ischemic stroke, and traumatic brain injury. As a neuroprotectant, H2S produces antioxidant, anti-inflammatory, and antiapoptotic effects in pathological situations. Sulfhydration of target proteins is an important mechanism underlying these effects. This Review summarizes the current understanding of H2S in the central nervous system, with emphasis on its role as a neuromodulator and a neuroprotectant.
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Affiliation(s)
- Xingzhou Zhang
- Department of Pharmacology,
Yong Loo Lin School of Medicine, National University of Singapore, 117597 Singapore
| | - Jin-Song Bian
- Department of Pharmacology,
Yong Loo Lin School of Medicine, National University of Singapore, 117597 Singapore
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21
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Du J, Li XH, Zhang W, Yang YM, Wu YH, Li WQ, Peng J, Li YJ. Involvement of glutamate–cystine/glutamate transporter system in aspirin-induced acute gastric mucosa injury. Biochem Biophys Res Commun 2014; 450:135-41. [DOI: 10.1016/j.bbrc.2014.05.069] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2014] [Accepted: 05/18/2014] [Indexed: 11/16/2022]
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22
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Mani S, Cao W, Wu L, Wang R. Hydrogen sulfide and the liver. Nitric Oxide 2014; 41:62-71. [PMID: 24582857 DOI: 10.1016/j.niox.2014.02.006] [Citation(s) in RCA: 113] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2013] [Revised: 02/11/2014] [Accepted: 02/17/2014] [Indexed: 12/16/2022]
Abstract
Hydrogen sulfide (H2S) is a gasotransmitter that regulates numerous physiological and pathophysiological processes in our body. Enzymatic production of H2S is catalyzed by cystathionine γ-lyase (CSE), cystathionine β-synthase (CBS), and 3-mercaptopyruvate sulfurtransferase (MST). All these three enzymes present in the liver and via H2S production regulate liver functions. The liver is the hub for metabolism of glucose and lipids, and maintains the level of circulatory lipids through lipoprotein metabolism. Hepatic H2S metabolism affects glucose metabolism, insulin sensitivity, lipoprotein synthesis, mitochondrial biogenetics and biogenesis. Malfunction of hepatic H2S metabolism may be involved in many liver diseases, such as hepatic fibrosis and hepatic cirrhosis.
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Affiliation(s)
- Sarathi Mani
- Department of Biology, Lakehead University, Thunder Bay, Canada; Cardiovascular and Metabolic Research Unit, Lakehead University, Thunder Bay, Canada
| | - Wei Cao
- Cardiovascular and Metabolic Research Unit, Lakehead University, Thunder Bay, Canada; Thunder Bay Regional Research Institute, Thunder Bay, Canada; Department of Natural Medicine & Institute of Materia Medica, Fourth Military Medical University, Xi'an, China
| | - Lingyun Wu
- Cardiovascular and Metabolic Research Unit, Lakehead University, Thunder Bay, Canada; Thunder Bay Regional Research Institute, Thunder Bay, Canada; Department of Health Sciences, Lakehead University, Thunder Bay, Canada
| | - Rui Wang
- Department of Biology, Lakehead University, Thunder Bay, Canada; Cardiovascular and Metabolic Research Unit, Lakehead University, Thunder Bay, Canada.
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23
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Song ZJ, Ng MY, Lee ZW, Dai W, Hagen T, Moore PK, Huang D, Deng LW, Tan CH. Hydrogen sulfide donors in research and drug development. MEDCHEMCOMM 2014. [DOI: 10.1039/c3md00362k] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
This review summarized most of the H2S donors such as inorganic compounds, natural products, anethole trithione derivatives and synthetic compounds used in research and drug development. These special bioactivities provided us some effective strategies for antiphlogosis, cancer therapy, cardiovascular protection and so on.
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Affiliation(s)
- Zhi Jian Song
- Division of Chemistry & Biological Chemistry
- School of Physical & Mathematical Sciences
- Nanyang Technological University
- Singapore
| | - Mei Ying Ng
- Department of Biochemistry
- National University of Singapore
- Singapore
| | - Zheng-Wei Lee
- Department of Biochemistry
- National University of Singapore
- Singapore
| | - Weilu Dai
- Department of Chemistry
- National University of Singapore
- Singapore
| | - Thilo Hagen
- Department of Biochemistry
- National University of Singapore
- Singapore
| | - Philip K. Moore
- Department of Pharmacology
- National University of Singapore
- Singapore
| | - Dejian Huang
- Department of Chemistry
- National University of Singapore
- Singapore
| | - Lih-Wen Deng
- Department of Biochemistry
- National University of Singapore
- Singapore
| | - Choon-Hong Tan
- Division of Chemistry & Biological Chemistry
- School of Physical & Mathematical Sciences
- Nanyang Technological University
- Singapore
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24
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Wang JF, Li Y, Song JN, Pang HG. Role of hydrogen sulfide in secondary neuronal injury. Neurochem Int 2013; 64:37-47. [PMID: 24239876 DOI: 10.1016/j.neuint.2013.11.002] [Citation(s) in RCA: 86] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2013] [Revised: 10/10/2013] [Accepted: 11/05/2013] [Indexed: 11/24/2022]
Abstract
In acute neuronal insult events, such as stroke, traumatic brain injury, and spinal cord injury, pathological processes of secondary neuronal injury play a key role in the severity of insult and clinical prognosis. Along with nitric oxide (NO) and carbon monoxide (CO), hydrogen sulfide (H2S) is regarded as the third gasotransmitter and endogenous neuromodulator and plays multiple roles in the central nervous system under physiological and pathological states, especially in secondary neuronal injury. The endogenous level of H2S in the brain is significantly higher than that in peripheral tissues, and is mainly formed by cystathionine β-synthase (CBS) in astrocytes and released in response to neuronal excitation. The mechanism of secondary neuronal injury exacerbating the damage caused by the initial insult includes microcirculation failure, glutamate-mediated excitotoxicity, oxidative stress, inflammatory responses, neuronal apoptosis and calcium overload. H2S dilates cerebral vessels by activating smooth muscle cell plasma membrane ATP-sensitive K channels (KATP channels). This modification occurs on specific cysteine residues of the KATP channel proteins which are S-sulfhydrated. H2S counteracts glutamate-mediated excitotoxicity by inducing astrocytes to intake more glutamate from the extracellular space and thus increasing glutathione in neurons. In addition, H2S protects neurons from secondary neuronal injury by functioning as an anti-oxidant, anti-inflammatory and anti-apoptotic mediator. However, there are still some reports suggest that H2S elevates neuronal Ca(2+) concentration and may contribute to the formation of calcium overload in secondary neuronal injury. H2S also elicits calcium waves in primary cultures of astrocytes and may mediate signals between neurons and glia. Consequently, further exploration of the molecular mechanisms of H2S in secondary neuronal injury will provide important insights into its potential therapeutic uses for the treatment of acute neuronal insult events.
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Affiliation(s)
- Jun-Feng Wang
- Department of Neurosurgery, The First Affiliated Hospital of the Medical College of Xi'an Jiaotong University, Xi'an 710061, PR China
| | - Yu Li
- Department of Neurosurgery, The First Affiliated Hospital of the Medical College of Xi'an Jiaotong University, Xi'an 710061, PR China
| | - Jin-Ning Song
- Department of Neurosurgery, The First Affiliated Hospital of the Medical College of Xi'an Jiaotong University, Xi'an 710061, PR China.
| | - Hong-Gang Pang
- Department of Neurosurgery, The First Affiliated Hospital of the Medical College of Xi'an Jiaotong University, Xi'an 710061, PR China
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25
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Sangani R, Naime M, Zakhary I, Ahmad S, Chutkan N, Zhu A, Ha Y, Hamrick M, Isales C, Elsalanty M, Smith S, Liou GI, Fulzele S. Regulation of vitamin C transporter in the type 1 diabetic mouse bone and bone marrow. Exp Mol Pathol 2013; 95:298-306. [PMID: 23999113 DOI: 10.1016/j.yexmp.2013.08.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2013] [Revised: 08/12/2013] [Accepted: 08/14/2013] [Indexed: 01/22/2023]
Abstract
A number of studies have revealed that Type I diabetes (T1D) is associated with bone loss and an increased risk of fractures. T1D induces oxidative stress in various tissues and organs. Vitamin C plays an important role in the attenuation of oxidative stress; however, little is known about the effect of T1D induced oxidative stress on the regulation of vitamin C transporter in bone and bone marrow cells. To investigate this, T1D was induced in mice by multiple low dose injections of streptozotocin. We have demonstrated that endogenous antioxidants, glutathione peroxidase (GPx) and superoxide dismutase (SOD) are down-regulated in the bone and bone marrow of T1D. The vitamin C transporter isoform SVCT2, the only known transporter expressed in bone and bone marrow stromal cells (BMSCs), is negatively regulated in the bone and bone marrow of T1D. The μCT imaging of the bone showed significantly lower bone quality in the 8 week T1D mouse. The in-vitro study in BMSCS showed that the knockdown of SVCT2 transporter decreases ascorbic acid (AA) uptake, and increases oxidative stress. The significant reversing effect of antioxidant vitamin C is only possible in control cells, not in knockdown cells. This study suggested that T1D induces oxidative stress and decreases SVCT2 expression in the bone and bone marrow environment. Furthermore, this study confirms that T1D increases bone resorption, decreases bone formation and changes the microstructure of bones. This study has provided evidence that the regulation of the SVCT2 transporter plays an important role not only in T1D osteoporosis but also in other oxidative stress-related musculoskeletal complications.
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Affiliation(s)
- Rajnikumar Sangani
- Departments of Orthopaedic Surgery, Georgia Regents University, Augusta, GA 30912, United States
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26
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Kim KA, Shim SH, Ahn HR, Jung SH. Protective effects of the compounds isolated from the seed of Psoralea corylifolia on oxidative stress-induced retinal damage. Toxicol Appl Pharmacol 2013; 269:109-20. [DOI: 10.1016/j.taap.2013.03.017] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2012] [Revised: 03/06/2013] [Accepted: 03/17/2013] [Indexed: 02/01/2023]
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27
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Jo H, Choi SJ, Jung SH. Protective effects of a compound isolated from Alnus japonica on oxidative stress-induced death in transformed retinal ganglion cells. Food Chem Toxicol 2013; 56:425-35. [DOI: 10.1016/j.fct.2013.02.052] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2012] [Revised: 01/31/2013] [Accepted: 02/20/2013] [Indexed: 01/09/2023]
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28
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Slow regulated release of H2S inhibits oxidative stress induced cell death by influencing certain key signaling molecules. Neurochem Res 2013; 38:1375-93. [PMID: 23585122 DOI: 10.1007/s11064-013-1034-z] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2012] [Revised: 03/22/2013] [Accepted: 03/27/2013] [Indexed: 12/21/2022]
Abstract
Hydrogen sulphide (H2S) is one of three gaseous signaling molecules after nitric oxide and carbon monoxide. Various H2S donor compounds have been synthesized to study its physiological function. Among these compounds sodium hydrosulphide (NaHS), a donor of releasing H2S rapidly have shown to be protective in certain neuronal cell line but several in vivo studies have generated conflicting data. Furthermore several slow releasing H2S donors have been shown to have positive effects on cells in culture. The intracellular concentration of H2S and hence its rate of production may be a factor in keeping the balance between its neuroprotective and toxic effects. The present study was undertaken to deduce how a rapid releasing H2S donor (NaHS) as opposed to a slow releasing donor (ADTOH), affect oxidative stress related intracellular components and survival of RGC-5 cells. It was concluded that when RGC-5 cells are exposed to the toxic effects of glutamate in combination with buthionine sulfoxime (Glu/BSO), ADTOH was more efficacious in inhibiting apoptosis, scavenging reactive oxygen species (ROS), stimulation of glutathione (GSH) and gluthathione-S-transferase (GST). Western blot and qPCR analysis showed ADTOH increased the levels of Nrf2, HO-1, PKCα, p-Akt, Bcl-2 and XIAP but caused a decrease of Nfκβ and xCT greater than NaHS. This study is first to compare the efficacy of two H2S donor drugs as potential neuroprotectants and demonstrate that slow regulated release of H2S to cell culture can be more beneficial in inhibiting oxidative stress induced cell death.
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29
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Jia J, Xiao Y, Wang W, Qing L, Xu Y, Song H, Zhen X, Ao G, Alkayed NJ, Cheng J. Differential mechanisms underlying neuroprotection of hydrogen sulfide donors against oxidative stress. Neurochem Int 2013; 62:1072-8. [PMID: 23587562 DOI: 10.1016/j.neuint.2013.04.001] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2013] [Revised: 03/05/2013] [Accepted: 04/04/2013] [Indexed: 12/27/2022]
Abstract
This study investigated whether slow-releasing organic hydrogen sulfide donors act through the same mechanisms as those of inorganic donors to protect neurons from oxidative stress. By inducing oxidative stress in a neuronal cell line HT22 with glutamate, we investigated the protective mechanisms of the organic donors: ADT-OH [5-(4-hydroxyphenyl)-3H-1,2-dithiole-3-thione], the most widely used moiety for synthesizing slow-releasing hydrogen sulfide donors, and ADT, a methyl derivative of ADT-OH. The organic donors were more potent than the inorganic donor sodium hydrogensulfide (NaHS) in protecting HT22 cells against glutamate toxicity. Consistent with previous publications, NaHS partially restored glutamate-depleted glutathione (GSH) levels, protected HT22 from direct free radical damage induced by hydrogen peroxide (H2O2), and NaHS protection was abolished by a KATP channel blocker glibenclamide. However, neither ADT nor ADT-OH enhanced glutamate-depleted GSH levels or protected HT22 from H2O2-induced oxidative stress. Glibenclamide, which abolished NaHS neuroprotection against oxidative stress, did not block ADT and ADT-OH neuroprotection against glutamate-induced oxidative stress. Unexpectedly, we found that glutamate induced AMPK activation and that compound C, a well-established AMPK inhibitor, remarkably protected HT22 from glutamate-induced oxidative stress, suggesting that AMPK activation contributed to oxidative glutamate toxicity. Interestingly, all hydrogen sulfide donors, including NaHS, remarkably attenuated glutamate-induced AMPK activation. However, under oxidative glutamate toxicity, compound C only increased the viability of HT22 cells treated with NaHS, but did not further increase ADT and ADT-OH neuroprotection. Thus, suppressing AMPK activation likely contributed to ADT and ADT-OH neuroprotection. In conclusion, hydrogen sulfide donors acted through differential mechanisms to confer neuroprotection against oxidative toxicity and suppressing AMPK activation was a possible mechanism underlying neuroprotection of organic hydrogen sulfide donors against oxidative toxicity.
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Affiliation(s)
- Jia Jia
- Department of Pharmacology, College of Pharmaceutical Sciences, Soochow University, Suzhou, China
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30
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Kim KA, Cha KH, Choi SJ, Pan CH, Jung SH. The Extract of Chlorella vulgaris
Protects Transformed Retinal Ganglion Cells from Oxidative Stress-induced Cells Death. J Food Biochem 2013. [DOI: 10.1111/jfbc.12030] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Kyung-A Kim
- Functional Food Center; Korea Institute of Science and Technology (KIST) Gangneung Institute; Gangneung 210-340 Korea
| | - Kwang Hyun Cha
- Functional Food Center; Korea Institute of Science and Technology (KIST) Gangneung Institute; Gangneung 210-340 Korea
| | - Soon-Jung Choi
- Functional Food Center; Korea Institute of Science and Technology (KIST) Gangneung Institute; Gangneung 210-340 Korea
| | - Cheol-Ho Pan
- Functional Food Center; Korea Institute of Science and Technology (KIST) Gangneung Institute; Gangneung 210-340 Korea
| | - Sang Hoon Jung
- Functional Food Center; Korea Institute of Science and Technology (KIST) Gangneung Institute; Gangneung 210-340 Korea
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31
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Ju Y, Zhang W, Pei Y, Yang G. H2S signaling in redox regulation of cellular functions. Can J Physiol Pharmacol 2013; 91:8-14. [DOI: 10.1139/cjpp-2012-0293] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Hydrogen sulfide (H2S) is traditionally recognized as a toxic gas with a rotten-egg smell. In just the last few decades, H2S has been found to be one of a family of gasotransmitters, together with nitric oxide and carbon monoxide, and various physiologic effects of H2S have been reported. Among the most acknowledged molecular mechanisms for the cellular effects of H2S is the regulation of intracellular redox homeostasis and post-translational modification of proteins through S-sulfhydration. On the one side, H2S can promote an antioxidant effect and is cytoprotective; on the other side, H2S stimulates oxidative stress and is cytotoxic. This review summarizes our current knowledge of the antioxidant versus pro-oxidant effects of H2S in mammalian cells and describes the Janus-faced properties of this novel gasotransmitter. The redox regulation for the cellular effects of H2S through S-sulfhydration and the role of H2S in glutathione generation is also recapitulated. A better understanding of H2S-regualted redox homeostasis will pave the way for future design of novel pharmacological and therapeutic interventions for various diseases.
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Affiliation(s)
- Youngjun Ju
- The School of Kinesiology, Lakehead University, 955 Oliver Road, Thunder Bay, ON P7B 5E1, Canada
| | - Weihua Zhang
- Department of Pathophysiology, Harbin Medical University, Harbin, China
| | - Yanxi Pei
- College of Life Science, Shanxi University, Taiyuan, China
| | - Guangdong Yang
- The School of Kinesiology, Lakehead University, 955 Oliver Road, Thunder Bay, ON P7B 5E1, Canada
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32
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Liu L, Cui J, Song CJ, Bian JS, Sparatore A, Soldato PD, Wang XY, Yan CD. H(2)S-releasing aspirin protects against aspirin-induced gastric injury via reducing oxidative stress. PLoS One 2012; 7:e46301. [PMID: 23029468 PMCID: PMC3460860 DOI: 10.1371/journal.pone.0046301] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2012] [Accepted: 08/29/2012] [Indexed: 12/11/2022] Open
Abstract
The aim of this study was to examine the effect of ACS14, a hydrogen sulfide (H(2)S)-releasing derivative of aspirin (Asp), on Asp-induced gastric injury. Gastric hemorrhagic lesions were induced by intragastric administration of Asp (200 mg/kg, suspended in 0.5% carboxymethyl cellulose solutions) in a volume of 1 ml/100 g body weight. ACS14 (1, 5 or 10 mg/kg) was given 30 min before the Asp administration. The total area of gastric erosions, H(2)S concentration and oxidative stress in gastric tissues were measured three hours after administration of Asp. Treatment with Asp (200 mg/kg), but not ACS14 (430 mg/kg, at equimolar doses to 200 mg/kg Asp), for 3 h significantly increased gastric mucosal injury. The damage caused by Asp was reversed by ACS14 at 1-10 mg/kg in a concentration-dependent manner. ACS14 abrogated Asp-induced upregulation of COX-2 expression, but had no effect on the reduced PGE(2) level. ACS14 reversed the decreased H(2)S concentrations and blood flow in the gastric tissue in Asp-treated rats. Moreover, ACS14 attenuated Asp-suppressed superoxide dismutase-1 (SOD-1) expression and GSH activity, suggesting that ACS14 may stimulate antioxidants in the gastric tissue. ACS14 also obviously inhibited Asp-induced upregulation of protein expression of oxidases including XOD, p47(phox) and p67(phox). In conclusion, ACS14 protects Asp induced gastric mucosal injury by inhibiting oxidative stress in the gastric tissue.
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Affiliation(s)
- Lei Liu
- Department of Physiology, Xuzhou Medical College, Xuzhou, Jiangsu, People’s Republic of China
| | - Jie Cui
- Department of Physiology, Xuzhou Medical College, Xuzhou, Jiangsu, People’s Republic of China
| | - Cheng-Jie Song
- Department of Physiology, Xuzhou Medical College, Xuzhou, Jiangsu, People’s Republic of China
| | - Jin-Song Bian
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Anna Sparatore
- Dipartimento di Scienze Farmaceutiche “Pietro Pratesi,” Università degli Studi di Milano, Milan, Italy
| | | | - Xin-Yu Wang
- Department of Endocrinology, Shenzhen Second People's Hospital, Guangdong Province, People’s Republic of China
- * E-mail: (CDY); (XYW)
| | - Chang-Dong Yan
- Department of Physiology, Xuzhou Medical College, Xuzhou, Jiangsu, People’s Republic of China
- * E-mail: (CDY); (XYW)
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Osborne NN, del Olmo-Aguado S. Maintenance of retinal ganglion cell mitochondrial functions as a neuroprotective strategy in glaucoma. Curr Opin Pharmacol 2012; 13:16-22. [PMID: 22999653 DOI: 10.1016/j.coph.2012.09.002] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2012] [Revised: 09/03/2012] [Accepted: 09/03/2012] [Indexed: 12/26/2022]
Abstract
Loss of vision in glaucoma occurs because retinal ganglion cells (RGCs) die. RGCs have probably more mitochondria than any other neurone in the CNS. It is proposed that stress to mitochondria of individual RGCs is a major trigger of the disease and also provides an explanation why different RGCs die at different times. Pharmacological agents that can maintain mitochondrial functions, in particular to attenuate oxidative stress and to sustain energy production, might therefore provide a novel way of slowing down RGC death and help in the treatment of glaucoma.
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Affiliation(s)
- Neville N Osborne
- Fundación de Investigación Oftalmológica, Avda. Doctores Fernández-Vega 34, E-33012 Oviedo, Asturias, Spain.
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