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Tong X, Chen J, Wang M, Liu J, Li J, Wang X, Zuo Y, Xu X, Wang Y, Wang B, Guo W, Zheng Y. Development of a Bioorthogonal Click-to-Release Reaction for Hydrogen Polysulfide (H 2S n) Detection. Anal Chem 2024; 96:15631-15639. [PMID: 39287125 DOI: 10.1021/acs.analchem.4c02677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/19/2024]
Abstract
In this study, we present an innovative "click-to-release" strategy for the design of highly specific H2Sn bioorthogonal probes that undergo a specific click reaction with H2Sn and release fluorophores by a following rearrangement. A library of cyclooctyne derivatives was established and successfully demonstrated the availability of the release strategy. Then, a model probe CM-CT was synthesized, which can achieve effective fluorophore release (>80%) in the presence of a H2Sn donor. To further validate the application of this class of probes, a new probe QN-RHO-CT based on Rhodamine 110 was developed. This probe showed good water solubility (>160 μM) and fast release kinetics and can achieve selective H2Sn detection in living cells. We used this probe to study the process of H2S-mediated protein S-persulfidation and demonstrated that excess H2S would directly react with protein persulfides to generate H2S2 and reduce the persulfides to thiols. Additionally, we elucidated the click-to-release mechanism in our design through a detailed mechanistic study, confirming the generation of the key intermediate α, β-unsaturated cyclooctanethione. This bioorthogonal click-to-release reaction provides a useful tool for investigating the function of H2Sn and paves the way for biological studies on H2Sn.
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Affiliation(s)
- Xidan Tong
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Drug Discovery, China Pharmaceutical University, Nanjing 211198, P. R. China
| | - Jiaxuan Chen
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Drug Discovery, China Pharmaceutical University, Nanjing 211198, P. R. China
| | - Maolin Wang
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Drug Discovery, China Pharmaceutical University, Nanjing 211198, P. R. China
| | - Jianru Liu
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Drug Discovery, China Pharmaceutical University, Nanjing 211198, P. R. China
| | - Jing Li
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Drug Discovery, China Pharmaceutical University, Nanjing 211198, P. R. China
| | - Xin Wang
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Drug Discovery, China Pharmaceutical University, Nanjing 211198, P. R. China
| | - Yifei Zuo
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Drug Discovery, China Pharmaceutical University, Nanjing 211198, P. R. China
| | - Xiaowei Xu
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Drug Discovery, China Pharmaceutical University, Nanjing 211198, P. R. China
| | - Yichen Wang
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Drug Discovery, China Pharmaceutical University, Nanjing 211198, P. R. China
| | - Binghe Wang
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia 30303, United States
| | - Weiwei Guo
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Drug Discovery, China Pharmaceutical University, Nanjing 211198, P. R. China
- Department of Chemistry, China Pharmaceutical University, Nanjing 211198, P. R. China
| | - Yueqin Zheng
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Drug Discovery, China Pharmaceutical University, Nanjing 211198, P. R. China
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Hidese R, Ohira T, Sakakibara S, Suzuki T, Shigi N, Fujiwara S. Functional redundancy of ubiquitin-like sulfur-carrier proteins facilitates flexible, efficient sulfur utilization in the primordial archaeon Thermococcus kodakarensis. mBio 2024; 15:e0053424. [PMID: 38975783 PMCID: PMC11323500 DOI: 10.1128/mbio.00534-24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Accepted: 06/10/2024] [Indexed: 07/09/2024] Open
Abstract
Ubiquitin-like proteins (Ubls) in eukaryotes and bacteria mediate sulfur transfer for the biosynthesis of sulfur-containing biomolecules and form conjugates with specific protein targets to regulate their functions. Here, we investigated the functions and physiological importance of Ubls in a hyperthermophilic archaeon by constructing a series of deletion mutants. We found that the Ubls (TK1065, TK1093, and TK2118) in Thermococcus kodakarensis are conjugated to their specific target proteins, and all three are involved in varying degrees in the biosynthesis of sulfur-containing biomolecules such as tungsten cofactor (Wco) and tRNA thiouridines. TK2118 (named UblB) is involved in the biosynthesis of Wco in a glyceraldehyde 3-phosphate:ferredoxin oxidoreductase, which is required for glycolytic growth, whereas TK1093 (named UblA) plays a key role in the efficient thiolation of tRNAs, which contributes to cellular thermotolerance. Intriguingly, in the presence of elemental sulfur (S0) in the culture medium, defective synthesis of these sulfur-containing molecules in Ubl mutants was restored, indicating that T. kodakarensis can use S0 as an alternative sulfur source without Ubls. Our analysis indicates that the Ubl-mediated sulfur-transfer system in T. kodakarensis is important for efficient sulfur assimilation, especially under low S0 conditions, which may allow this organism to survive in a low sulfur environment.IMPORTANCESulfur is a crucial element in living organisms, occurring in various sulfur-containing biomolecules including iron-sulfur clusters, vitamins, and RNA thionucleosides, as well as the amino acids cysteine and methionine. In archaea, the biosynthesis routes and sulfur donors of sulfur-containing biomolecules are largely unknown. Here, we explored the functions of Ubls in the deep-blanched hyperthermophilic archaeon, Thermococcus kodakarensis. We demonstrated functional redundancy of these proteins in the biosynthesis of tungsten cofactor and tRNA thiouridines and the significance of these sulfur-carrier functions, especially in low sulfur environments. We propose that acquisition of a Ubl sulfur-transfer system, in addition to an ancient inorganic sulfur assimilation pathway, enabled the primordial archaeon to advance into lower-sulfur environments and expand their habitable zone.
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Affiliation(s)
- Ryota Hidese
- Graduate School of Science, Technology and Innovation, Kobe University, Kobe, Japan
| | - Takayuki Ohira
- Department of Chemistry and Biotechnology, Graduate School of Engineering, The University of Tokyo, Tokyo, Japan
| | - Satsuki Sakakibara
- Department of Bioscience, Graduate School of Science and Technology, Kwansei-Gakuin University, Sanda, Hyogo, Japan
| | - Tsutomu Suzuki
- Department of Chemistry and Biotechnology, Graduate School of Engineering, The University of Tokyo, Tokyo, Japan
| | - Naoki Shigi
- Computational Bio Big-Data Open Innovation Laboratory, National Institute of Advanced Industrial Science and Technology (AIST), Tokyo, Japan
| | - Shinsuke Fujiwara
- Department of Bioscience, Graduate School of Science and Technology, Kwansei-Gakuin University, Sanda, Hyogo, Japan
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Jeitner TM, Azcona JA, Ables GP, Cooke D, Horowitz MC, Singh P, Kelly JM, Cooper AJL. Cystine rather than cysteine is the preferred substrate for β-elimination by cystathionine γ-lyase: implications for dietary methionine restriction. GeroScience 2024; 46:3617-3634. [PMID: 37217633 PMCID: PMC11229439 DOI: 10.1007/s11357-023-00788-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Accepted: 03/31/2023] [Indexed: 05/24/2023] Open
Abstract
Dietary methionine restriction (MR) increases longevity by improving health. In experimental models, MR is accompanied by decreased cystathionine β-synthase activity and increased cystathionine γ-lyase activity. These enzymes are parts of the transsulfuration pathway which produces cysteine and 2-oxobutanoate. Thus, the decrease in cystathionine β-synthase activity is likely to account for the loss of tissue cysteine observed in MR animals. Despite this decrease in cysteine levels, these tissues exhibit increased H2S production which is thought to be generated by β-elimination of the thiol moiety of cysteine, as catalyzed by cystathionine β-synthase or cystathionine γ-lyase. Another possibility for this H2S production is the cystathionine γ-lyase-catalyzed β-elimination of cysteine persulfide from cystine, which upon reduction yields H2S and cysteine. Here, we demonstrate that MR increases cystathionine γ-lyase production and activities in the liver and kidneys, and that cystine is a superior substrate for cystathionine γ-lyase catalyzed β-elimination as compared to cysteine. Moreover, cystine and cystathionine exhibit comparable Kcat/Km values (6000 M-1 s-1) as substrates for cystathionine γ-lyase-catalyzed β-elimination. By contrast, cysteine inhibits cystathionine γ-lyase in a non-competitive manner (Ki ~ 0.5 mM), which limits its ability to function as a substrate for β-elimination by this enzyme. Cysteine inhibits the enzyme by reacting with its pyridoxal 5'-phosphate cofactor to form a thiazolidine and in so doing prevents further catalysis. These enzymological observations are consistent with the notion that during MR cystathionine γ-lyase is repurposed to catabolize cystine and thereby form cysteine persulfide, which upon reduction produces cysteine.
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Affiliation(s)
- Thomas M Jeitner
- Department of Radiology, Weill Cornell Medicine, 1300 York Avenue, New York, NY, 10065, USA.
- Department of Biochemistry and Molecular Biology, New York Medical College, Valhalla, NY, 10595, USA.
| | - Juan A Azcona
- Department of Radiology, Weill Cornell Medicine, 1300 York Avenue, New York, NY, 10065, USA
- Department of Biochemistry and Molecular Biology, New York Medical College, Valhalla, NY, 10595, USA
| | - Gene P Ables
- Orentreich Foundation for the Advancement of Science, Inc, 855 Route 301, Cold Spring, NY, 10516, USA
| | - Diana Cooke
- Orentreich Foundation for the Advancement of Science, Inc, 855 Route 301, Cold Spring, NY, 10516, USA
| | - Mark C Horowitz
- Department of Orthopedics and Rehabilitation, Yale University School of Medicine, New Haven, CT, 06510, USA
| | - Pradeep Singh
- Department of Radiology, Weill Cornell Medicine, 1300 York Avenue, New York, NY, 10065, USA
| | - James M Kelly
- Department of Radiology, Weill Cornell Medicine, 1300 York Avenue, New York, NY, 10065, USA
- Citigroup Biomedical Imaging Center, Weill Cornell Medicine, 516 East 72Nd St, New York, NY, 10021, USA
| | - Arthur J L Cooper
- Department of Biochemistry and Molecular Biology, New York Medical College, Valhalla, NY, 10595, USA
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Kaleta K, Janik K, Rydz L, Wróbel M, Jurkowska H. Bridging the Gap in Cancer Research: Sulfur Metabolism of Leukemic Cells with a Focus on L-Cysteine Metabolism and Hydrogen Sulfide-Producing Enzymes. Biomolecules 2024; 14:746. [PMID: 39062461 PMCID: PMC11274876 DOI: 10.3390/biom14070746] [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: 05/17/2024] [Revised: 06/12/2024] [Accepted: 06/19/2024] [Indexed: 07/28/2024] Open
Abstract
Leukemias are cancers of the blood-forming system, representing a significant challenge in medical science. The development of leukemia cells involves substantial disturbances within the cellular machinery, offering hope in the search for effective selective treatments that could improve the 5-year survival rate. Consequently, the pathophysiological processes within leukemia cells are the focus of critical research. Enzymes such as cystathionine beta-synthase and sulfurtransferases like thiosulfate sulfurtransferase, 3-mercaptopyruvate sulfurtransferase, and cystathionine gamma-lyase play a vital role in cellular sulfur metabolism. These enzymes are essential to maintaining cellular homeostasis, providing robust antioxidant defenses, and supporting cell division. Numerous studies have demonstrated that cancerous processes can alter the expression and activity of these enzymes, uncovering potential vulnerabilities or molecular targets for cancer therapy. Recent laboratory research has indicated that certain leukemia cell lines may exhibit significant changes in the expression patterns of these enzymes. Analysis of the scientific literature and online datasets has confirmed variations in sulfur enzyme function in specific leukemic cell lines compared to normal leukocytes. This comprehensive review collects and analyzes available information on sulfur enzymes in normal and leukemic cell lines, providing valuable insights and identifying new research pathways in this field.
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Affiliation(s)
- Konrad Kaleta
- Students’ Scientific Group of Medical Biochemistry, Faculty of Medicine, Jagiellonian University Medical College, 7 Kopernika St., 31-034 Krakow, Poland;
| | - Klaudia Janik
- Chair of Medical Biochemistry, Faculty of Medicine, Jagiellonian University Medical College, 7 Kopernika St., 31-034 Krakow, Poland; (K.J.); (L.R.); (M.W.)
| | - Leszek Rydz
- Chair of Medical Biochemistry, Faculty of Medicine, Jagiellonian University Medical College, 7 Kopernika St., 31-034 Krakow, Poland; (K.J.); (L.R.); (M.W.)
| | - Maria Wróbel
- Chair of Medical Biochemistry, Faculty of Medicine, Jagiellonian University Medical College, 7 Kopernika St., 31-034 Krakow, Poland; (K.J.); (L.R.); (M.W.)
| | - Halina Jurkowska
- Chair of Medical Biochemistry, Faculty of Medicine, Jagiellonian University Medical College, 7 Kopernika St., 31-034 Krakow, Poland; (K.J.); (L.R.); (M.W.)
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5
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Wang S, Gai L, Chen Y, Ji X, Lu H, Guo Z. Mitochondria-targeted BODIPY dyes for small molecule recognition, bio-imaging and photodynamic therapy. Chem Soc Rev 2024; 53:3976-4019. [PMID: 38450547 DOI: 10.1039/d3cs00456b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/08/2024]
Abstract
Mitochondria are essential for a diverse array of biological functions. There is increasing research focus on developing efficient tools for mitochondria-targeted detection and treatment. BODIPY dyes, known for their structural versatility and excellent spectroscopic properties, are being actively explored in this context. Numerous studies have focused on developing innovative BODIPYs that utilize optical signals for imaging mitochondria. This review presents a comprehensive overview of the progress made in this field, aiming to investigate mitochondria-related biological events. It covers key factors such as design strategies, spectroscopic properties, and cytotoxicity, as well as mechanism to facilitate their future application in organelle imaging and targeted therapy. This work is anticipated to provide valuable insights for guiding future development and facilitating further investigation into mitochondria-related biological sensing and phototherapy.
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Affiliation(s)
- Sisi Wang
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, and Key Laboratory of Organosilicon Material Technology of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, China.
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China.
- State Key Laboratory of Powder Metallurgy, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China
| | - Lizhi Gai
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, and Key Laboratory of Organosilicon Material Technology of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, China.
| | - Yuncong Chen
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China.
| | - Xiaobo Ji
- State Key Laboratory of Powder Metallurgy, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China
| | - Hua Lu
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, and Key Laboratory of Organosilicon Material Technology of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, China.
| | - Zijian Guo
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China.
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Koike S, Ogasawara Y. Analysis and characterization of sulfane sulfur. Anal Biochem 2024; 687:115458. [PMID: 38182032 DOI: 10.1016/j.ab.2024.115458] [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: 08/06/2023] [Revised: 12/16/2023] [Accepted: 01/02/2024] [Indexed: 01/07/2024]
Abstract
In the late 1970s, sulfane sulfur was defined as sulfur atoms covalently bound only to sulfur atoms. However, this definition was not generally accepted, as it was slightly vague and difficult to comprehend. Thus, in the early 1990s, it was defined as "bound sulfur," which easily converts to hydrogen sulfide upon reduction with a thiol-reducing agent. H2S-related bound sulfur species include persulfides (R-SSH), polysulfides (H2Sn, n ≥ 2 or R-S(S)nS-R, n ≥ 1), and protein-bound elemental sulfur (S0). Many of the biological effects currently associated with H2S may be attributed to persulfides and polysulfides. In the 20th century, quantitative determination of "sulfane sulfur" was conventionally performed using a reaction called cyanolysis. Several methods have been developed over the past 30 years. Current methods used for the detection of H2S and polysulfides include colorimetric assays for methylene blue formation, sulfide ion-selective or polarographic electrodes, gas chromatography with flame photometric or sulfur chemiluminescence detection, high-performance liquid chromatography analysis with fluorescent derivatization of sulfides, liquid chromatography with tandem mass spectrometry, the biotin switch technique, and the use of sulfide or polysulfide-sensitive fluorescent probes. In this review, we discuss the methods reported to date for measuring sulfane sulfur and the results obtained using these methods.
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Affiliation(s)
- Shin Koike
- Department of Analytical Biochemistry, Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo, 204-8588, Japan
| | - Yuki Ogasawara
- Department of Analytical Biochemistry, Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo, 204-8588, Japan.
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Song C, Liao L, Bin Y, He Z, Hua J, Zhao S, Liang H. Visualization diagnosis of acute cerebral ischemia via sulfane sulfur-activated photoacoustic imaging. Chem Commun (Camb) 2024; 60:1112-1115. [PMID: 38180482 DOI: 10.1039/d3cc05794a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2024]
Abstract
A photoacoustic (PA) imaging probe, HCy-SH, was designed and synthesized. This probe can react rapidly and specifically with sulfane sulfur to produce a strong PA signal. This probe also exhibited low cytotoxicity and biotoxicity. Thus, HCy-SH has been used for visual diagnosis of acute cerebral ischemia.
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Affiliation(s)
- Cheng Song
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin 541004, China.
| | - Lejuan Liao
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin 541004, China.
| | - Yidong Bin
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin 541004, China.
| | - Zongyi He
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin 541004, China.
| | - Jing Hua
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin 541004, China.
| | - Shulin Zhao
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin 541004, China.
| | - Hong Liang
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin 541004, China.
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Li W, Wang Y, Zhang R. Theoretical investigation on the sensing mechanism of a triphenylamine-benzofuran derived fluorescent probe for the detection of H 2S n. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 302:123125. [PMID: 37478759 DOI: 10.1016/j.saa.2023.123125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 07/07/2023] [Accepted: 07/08/2023] [Indexed: 07/23/2023]
Abstract
As one of the members of reactive sulfur species, hydrogen polysulfide (H2Sn, n > 1) plays an important role in enzyme activity and nervous system regulations, and the sensing mechanism study is of great significance for the design of novel efficient probes. Herein, we investigated the sensing mechanism of an efficient triphenylamine-benzofuran-based probe (TBF-SS) towards H2Sn using DFT method. The inherent fluorescence quenching of the probe is dominated by the twisted intramolecular charge transfer (TICT) as revealed by the torsional potential curve calculations. When the nitro fluorophenyl group is replaced by a hydroxyl group in the reaction with H2Sn, the TICT is eliminated and the excited state can return to the ground state in a radiative way, leading to strong fluorescence emission.
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Affiliation(s)
- Wenzhi Li
- Institute of Molecular Sciences and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao 266237, PR China
| | - Yuxi Wang
- Institute of Molecular Sciences and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao 266237, PR China
| | - Ruiling Zhang
- Institute of Molecular Sciences and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao 266237, PR China.
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Luo S, Kong C, Ye D, Liu X, Wang Y, Meng G, Han Y, Xie L, Ji Y. Protein Persulfidation: Recent Progress and Future Directions. Antioxid Redox Signal 2023; 39:829-852. [PMID: 36943282 DOI: 10.1089/ars.2022.0064] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/23/2023]
Abstract
Significance: Hydrogen sulfide (H2S) is considered to be a gasotransmitter along with carbon monoxide (CO) and nitric oxide (NO), and is known as a key regulator of physiological and pathological activities. S-sulfhydration (also known as persulfidation), a mechanism involving the formation of protein persulfides by modification of cysteine residues, is proposed here to explain the multiple biological functions of H2S. Investigating the properties of protein persulfides can provide a foundation for further understanding of the potential functions of H2S. Recent Advances: Multiple methods have been developed to determine the level of protein persulfides. It has been demonstrated that protein persulfidation is involved in many biological processes through various mechanisms including the regulation of ion channels, enzymes, and transcription factors, as well as influencing protein-protein interactions. Critical Issues: Some technical and theoretical questions remain to be solved. These include how to improve the specificity of the detection methods for protein persulfidation, why persulfidation typically occurs on one or a few thiols within a protein, how this modification alters protein functions, and whether protein persulfidation has organ-specific patterns. Future Directions: Optimizing the detection methods and elucidating the properties and molecular functions of protein persulfidation would be beneficial for current therapeutics. In this review, we introduce the detailed mechanism of the persulfidation process and discuss persulfidation detection methods. In addition, this review summarizes recent discoveries of the selectivity of protein persulfidation and the regulation of protein functions and cell signaling pathways by persulfidation. Antioxid. Redox Signal. 39, 829-852.
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Affiliation(s)
- Shanshan Luo
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, Nanjing Medical University, Nanjing, China
| | - Chuiyu Kong
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, Nanjing Medical University, Nanjing, China
| | - Danyu Ye
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, Nanjing Medical University, Nanjing, China
| | - Xingeng Liu
- Key Laboratory of Targeted Intervention of Cardiovascular Disease, Nanjing Medical University, Nanjing, China
- Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, Nanjing, China
| | - Yu Wang
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, Nanjing Medical University, Nanjing, China
| | - Guoliang Meng
- Department of Pharmacology, School of Pharmacy, Nantong University, Nantong, China
| | - Yi Han
- Department of Geriatrics, First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Liping Xie
- Key Laboratory of Targeted Intervention of Cardiovascular Disease, Nanjing Medical University, Nanjing, China
- Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, Nanjing, China
- The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Nanjing, China
| | - Yong Ji
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, Nanjing Medical University, Nanjing, China
- Key Laboratory of Targeted Intervention of Cardiovascular Disease, Nanjing Medical University, Nanjing, China
- Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, Nanjing, China
- The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Nanjing, China
- National Key Laboratory of Frigid Zone Cardiovascular Diseases (NKLFZCD), Harbin Medical University, Harbin, China
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Rydz L, Wróbel M, Janik K, Jurkowska H. Hypoxia-Induced Changes in L-Cysteine Metabolism and Antioxidative Processes in Melanoma Cells. Biomolecules 2023; 13:1491. [PMID: 37892173 PMCID: PMC10604596 DOI: 10.3390/biom13101491] [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: 09/01/2023] [Revised: 09/27/2023] [Accepted: 10/05/2023] [Indexed: 10/29/2023] Open
Abstract
This study was performed on human primary (WM115) and metastatic (WM266-4) melanoma cell lines developed from the same individual. The expression of proteins involved in L-cysteine metabolism (sulfurtransferases, and cystathionine β-synthase) and antioxidative processes (thioredoxin, thioredoxin reductase-1, glutathione peroxidase, superoxide dismutase 1) as well as the level of sufane sulfur, and cell proliferation under hypoxic conditions were investigated. Hypoxia in WM115 and WM266-4 cells was confirmed by induced expression of carbonic anhydrase IX and 6-phosphofructo-2-kinase/fructose-2,6-biphosphatase 4 by the RT-PCR and Western blot methods. It was shown that, under hypoxic conditions the inhibition of WM115 and WM266-4 melanoma cell proliferation was associated with decreased expression of thioredoxin reductase-1 and cystathionine β-synthase. These two enzymes may be important therapeutic targets in the treatment of melanoma. Interestingly, it was also found that in normoxia the expression and activity of 3-mercaptopyruvate sulfurtransferase in metastatic WM266-4 melanoma cells was significantly higher than in primary melanoma WM115 cells.
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Affiliation(s)
| | | | | | - Halina Jurkowska
- Chair of Medical Biochemistry, Faculty of Medicine, Jagiellonian University Medical College, Kopernika 7 St., 31-034 Krakow, Poland; (L.R.); (M.W.); (K.J.)
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Noguchi N, Saito Y, Niki E. Actions of Thiols, Persulfides, and Polysulfides as Free Radical Scavenging Antioxidants. Antioxid Redox Signal 2023; 39:728-743. [PMID: 37154744 PMCID: PMC10619894 DOI: 10.1089/ars.2022.0191] [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: 11/08/2022] [Revised: 04/27/2023] [Accepted: 04/30/2023] [Indexed: 05/10/2023]
Abstract
Significance: The essential roles of thiol compounds as redox signaling mediators and protectors have been established. Recently, the roles of persulfides and polysulfides as mediators involved in numerous physiological processes have been revealed. Recent Advances: Recently, it became possible to detect and measure persulfides and polysulfides in human fluids and tissues and their physiological functions, including cellular signaling and protection against oxidative stress, have been reported, but the underlying mechanisms and dynamics remain elusive. Critical Issues: Physiological functions of thiol compounds have been studied, focusing primarily on two-electron redox reactions. In contrast, the contribution of one-electron redox mechanisms, that is, free radical-mediated oxidation and antioxidation, has received much less attention. Considering the important effects of free radical-mediated oxidation of biological molecules on pathophysiology, the antioxidant functions of thiol compounds as free radical scavengers are challenging issues. Future Directions: The antioxidant actions and dynamics of thiols, hydropersulfides, and hydropolysulfides as free radical scavenging antioxidants and their physiological significance remain to be established. Antioxid. Redox Signal. 39, 728-743.
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Affiliation(s)
- Noriko Noguchi
- The Systems Life Sciences Laboratory, Department of Medical Life Systems, Faculty of Life and Medical Sciences, Doshisha University, Kyotanabe, Japan
| | - Yoshiro Saito
- Laboratory of Molecular Biology and Metabolism, Graduate School of Pharmaceutical Sciences, Tohoku University, Sendai, Japan
| | - Etsuo Niki
- Research Center for Advanced Science and Technology (RCAST), The University of Tokyo, Meguro-ku, Japan
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12
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Fukuto JM. The chemistry of hydropersulfides (RSSH) as related to possible physiological functions. Arch Biochem Biophys 2023:109659. [PMID: 37263465 DOI: 10.1016/j.abb.2023.109659] [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: 04/23/2023] [Revised: 05/25/2023] [Accepted: 05/29/2023] [Indexed: 06/03/2023]
Abstract
Hydropersulfides (RSSH) are oxidized thiol (RSH) derivatives that have been shown to be biologically prevalent with likely important functions (along with other polysulfur compounds). The functional utility of RSSH can be gleaned from their unique chemical properties. That is, RSSH possess chemical reactivity not present in other biologically relevant sulfur species that should allow them to be used in specific ways in biology as effector/signaling molecules. For example, compared to RSH, RSSH are considered to be superior nucleophiles, reductants and metal ligands. Moreover, unlike RSH, RSSH can be either reductants/nucleophiles or oxidants/electrophiles depending on the protonated state. It has also become clear that studies related to the chemical biology and physiology of hydrogen suflide (H2S) must also consider the effects of RSSH (and related polysulfur species) as they are biochemically linked. Herein is a discussion of the relevant chemistry of RSSH that can serve as a basis for understanding how RSSH can be used by cells to, for example, combat stresses and used in signaling. Also, discussed are some current experimental studies regarding the biological activity of RSSH that can be explained by their chemical properties.
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Affiliation(s)
- Jon M Fukuto
- Department of Chemistry, Johns Hopkins University, Baltimore, MD, 21218, USA; Department of Chemistry, Sonoma State University, Rohnert Park, CA, 94928, USA.
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13
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Yu Q, Ran M, Xin Y, Liu H, Liu H, Xia Y, Xun L. The Rhodanese PspE Converts Thiosulfate to Cellular Sulfane Sulfur in Escherichia coli. Antioxidants (Basel) 2023; 12:antiox12051127. [PMID: 37237993 DOI: 10.3390/antiox12051127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Revised: 05/16/2023] [Accepted: 05/16/2023] [Indexed: 05/28/2023] Open
Abstract
Hydrogen sulfide (H2S) and its oxidation product zero-valent sulfur (S0) play important roles in animals, plants, and bacteria. Inside cells, S0 exists in various forms, including polysulfide and persulfide, which are collectively referred to as sulfane sulfur. Due to the known health benefits, the donors of H2S and sulfane sulfur have been developed and tested. Among them, thiosulfate is a known H2S and sulfane sulfur donor. We have previously reported that thiosulfate is an effective sulfane sulfur donor in Escherichia coli; however, it is unclear how it converts thiosulfate to cellular sulfane sulfur. In this study, we showed that one of the various rhodaneses, PspE, in E. coli was responsible for the conversion. After the thiosulfate addition, the ΔpspE mutant did not increase cellular sulfane sulfur, but the wild type and the complemented strain ΔpspE::pspE increased cellular sulfane sulfur from about 92 μM to 220 μM and 355 μM, respectively. LC-MS analysis revealed a significant increase in glutathione persulfide (GSSH) in the wild type and the ΔpspE::pspE strain. The kinetic analysis supported that PspE was the most effective rhodanese in E. coli in converting thiosulfate to glutathione persulfide. The increased cellular sulfane sulfur alleviated the toxicity of hydrogen peroxide during E. coli growth. Although cellular thiols might reduce the increased cellular sulfane sulfur to H2S, increased H2S was not detected in the wild type. The finding that rhodanese is required to convert thiosulfate to cellular sulfane sulfur in E. coli may guide the use of thiosulfate as the donor of H2S and sulfane sulfur in human and animal tests.
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Affiliation(s)
- Qiaoli Yu
- State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Road, Qingdao 266237, China
| | - Mingxue Ran
- State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Road, Qingdao 266237, China
| | - Yuping Xin
- State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Road, Qingdao 266237, China
| | - Huaiwei Liu
- State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Road, Qingdao 266237, China
| | - Honglei Liu
- State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Road, Qingdao 266237, China
| | - Yongzhen Xia
- State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Road, Qingdao 266237, China
| | - Luying Xun
- State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Road, Qingdao 266237, China
- School of Molecular Biosciences, Washington State University, Pullman, WA 991647520, USA
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14
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Fan K, Wang W, Xu X, Yuan Y, Ren N, Lee DJ, Chen C. Recent Advances in Biotechnologies for the Treatment of Environmental Pollutants Based on Reactive Sulfur Species. Antioxidants (Basel) 2023; 12:antiox12030767. [PMID: 36979016 PMCID: PMC10044940 DOI: 10.3390/antiox12030767] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 03/19/2023] [Accepted: 03/20/2023] [Indexed: 03/30/2023] Open
Abstract
The definition of reactive sulfur species (RSS) is inspired by the reactivity and variable chemical valence of sulfur. Sulfur is an essential element for life and is a part of global geochemical cycles. Wastewater treatment bioreactors can be divided into two major categories: sulfur reduction and sulfur oxidation. We review the origins of the definition of RSS and related biotechnological processes in environmental management. Sulfate reduction, sulfide oxidation, and sulfur-based redox reactions are key to driving the coupled global carbon, nitrogen, and sulfur co-cycles. This shows the coupling of the sulfur cycle with the carbon and nitrogen cycles and provides insights into the global material-chemical cycle. We also review the biological classification and RSS metabolic mechanisms of functional microorganisms involved in the biological processes, such as sulfate-reducing and sulfur-oxidizing bacteria. Developments in molecular biology and genomic technologies have allowed us to obtain detailed information on these bacteria. The importance of RSS in environmental technologies requires further consideration.
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Affiliation(s)
- Kaili Fan
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Wei Wang
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Xijun Xu
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Yuan Yuan
- College of Biological Engineering, Beijing Polytechnic, Beijing 100176, China
| | - Nanqi Ren
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Duu-Jong Lee
- Department of Chemical Engineering, National Taiwan University, Taipei 106, Taiwan
| | - Chuan Chen
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
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15
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Pedre B, Talwar D, Barayeu U, Schilling D, Luzarowski M, Sokolowski M, Glatt S, Dick TP. 3-Mercaptopyruvate sulfur transferase is a protein persulfidase. Nat Chem Biol 2023; 19:507-517. [PMID: 36732619 PMCID: PMC10060159 DOI: 10.1038/s41589-022-01244-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 12/15/2022] [Indexed: 02/04/2023]
Abstract
Protein S-persulfidation (P-SSH) is recognized as a common posttranslational modification. It occurs under basal conditions and is often observed to be elevated under stress conditions. However, the mechanism(s) by which proteins are persulfidated inside cells have remained unclear. Here we report that 3-mercaptopyruvate sulfur transferase (MPST) engages in direct protein-to-protein transpersulfidation reactions beyond its previously known protein substrates thioredoxin and MOCS3/Uba4, associated with H2S generation and transfer RNA thiolation, respectively. We observe that depletion of MPST in human cells lowers overall intracellular protein persulfidation levels and identify a subset of proteins whose persulfidation depends on MPST. The predicted involvement of these proteins in the adaptation to stress responses supports the notion that MPST-dependent protein persulfidation promotes cytoprotective functions. The observation of MPST-independent protein persulfidation suggests that other protein persulfidases remain to be identified.
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Affiliation(s)
- Brandán Pedre
- Division of Redox Regulation, DKFZ-ZMBH Alliance, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Deepti Talwar
- Division of Redox Regulation, DKFZ-ZMBH Alliance, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Uladzimir Barayeu
- Division of Redox Regulation, DKFZ-ZMBH Alliance, German Cancer Research Center (DKFZ), Heidelberg, Germany.,Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
| | - Danny Schilling
- Division of Redox Regulation, DKFZ-ZMBH Alliance, German Cancer Research Center (DKFZ), Heidelberg, Germany.,Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
| | - Marcin Luzarowski
- Core Facility for Mass Spectrometry and Proteomics, Centre for Molecular Biology at Heidelberg University (ZMBH), Heidelberg, Germany
| | - Mikolaj Sokolowski
- Max Planck Research Group, Malopolska Centre of Biotechnology, Jagiellonian University, Kraków, Poland
| | - Sebastian Glatt
- Max Planck Research Group, Malopolska Centre of Biotechnology, Jagiellonian University, Kraków, Poland
| | - Tobias P Dick
- Division of Redox Regulation, DKFZ-ZMBH Alliance, German Cancer Research Center (DKFZ), Heidelberg, Germany. .,Faculty of Biosciences, Heidelberg University, Heidelberg, Germany.
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16
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Persulfidation of DJ-1: Mechanism and Consequences. Biomolecules 2022; 13:biom13010027. [PMID: 36671412 PMCID: PMC9856005 DOI: 10.3390/biom13010027] [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: 11/09/2022] [Revised: 12/12/2022] [Accepted: 12/20/2022] [Indexed: 12/24/2022] Open
Abstract
DJ-1 (also called PARK7) is a ubiquitously expressed protein involved in the etiology of Parkinson disease and cancers. At least one of its three cysteine residues is functionally essential, and its oxidation state determines the specific function of the enzyme. DJ-1 was recently reported to be persulfidated in mammalian cell lines, but the implications of this post-translational modification have not yet been analyzed. Here, we report that recombinant DJ-1 is reversibly persulfidated at cysteine 106 by reaction with various sulfane donors and subsequently inhibited. Strikingly, this reaction is orders of magnitude faster than C106 oxidation by H2O2, and persulfidated DJ-1 behaves differently than sulfinylated DJ-1. Both these PTMs most likely play a dedicated role in DJ-1 signaling or protective pathways.
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17
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Nagashima F, Miyazaki Y, Kanemaru E, Ezaka M, Hara H, Sugiura K, Boerboom SL, Ostrom KF, Jiang W, Bloch DB, Ichinose F, Marutani E. Sulfide:quinone oxidoreductase ameliorates neurodegeneration in a murine model of Parkinson's disease. Redox Biol 2022; 59:102562. [PMID: 36470130 PMCID: PMC9722489 DOI: 10.1016/j.redox.2022.102562] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 11/16/2022] [Accepted: 11/27/2022] [Indexed: 11/30/2022] Open
Affiliation(s)
- Fumiaki Nagashima
- Anesthesia Center for Critical Care Research of the Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA, USA,Harvard Medical School, Boston, MA, USA
| | - Yusuke Miyazaki
- Anesthesia Center for Critical Care Research of the Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA, USA,Harvard Medical School, Boston, MA, USA
| | - Eiki Kanemaru
- Anesthesia Center for Critical Care Research of the Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA, USA,Harvard Medical School, Boston, MA, USA
| | - Mariko Ezaka
- Anesthesia Center for Critical Care Research of the Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA, USA,Harvard Medical School, Boston, MA, USA
| | - Hiroaki Hara
- Anesthesia Center for Critical Care Research of the Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA, USA,Harvard Medical School, Boston, MA, USA
| | - Kei Sugiura
- Anesthesia Center for Critical Care Research of the Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA, USA,Harvard Medical School, Boston, MA, USA
| | - Sophie L. Boerboom
- Anesthesia Center for Critical Care Research of the Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA, USA,Harvard Medical School, Boston, MA, USA
| | - Katrina F. Ostrom
- Anesthesia Center for Critical Care Research of the Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA, USA,Harvard Medical School, Boston, MA, USA
| | - Wanlin Jiang
- Harvard Medical School, Boston, MA, USA,Division of Cardiology, Department of Medicine, Cardiovascular Research Center, Massachusetts General Hospital, Boston, MA, USA
| | - Donald B. Bloch
- Anesthesia Center for Critical Care Research of the Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA, USA,Harvard Medical School, Boston, MA, USA,Division of Rheumatology, Allergy and Immunology, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Fumito Ichinose
- Anesthesia Center for Critical Care Research of the Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA, USA; Harvard Medical School, Boston, MA, USA.
| | - Eizo Marutani
- Anesthesia Center for Critical Care Research of the Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA, USA; Harvard Medical School, Boston, MA, USA.
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18
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Preliminary Free Energy Map of Prebiotic Compounds Formed from CO2, H2 and H2S. Life (Basel) 2022; 12:life12111763. [DOI: 10.3390/life12111763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 10/28/2022] [Accepted: 10/31/2022] [Indexed: 11/06/2022] Open
Abstract
What kinds of CHOS compounds might be formed in a prebiotic milieu by reducing CO2 in the presence of H2 and H2S? How might the presence of sulfur influence the chemical composition of the mixture? We explore these questions by using first-principles quantum chemistry to calculate the free energies of CHOS compounds in aqueous solution, by first generating a thermodynamic map of one- and two-carbon species. We find that while thiols are thermodynamically favored, thioesters, thioacids, and thiones are less favorable than their non-sulfur counterparts. We then focus on the key role played by mercaptoacetaldehyde in sulfur analogs of the autocatalytic formose reaction, whereby the thiol group introduces asymmetry and potential thermodynamic selectivity of some compounds over others.
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19
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Aggarwal SC, Khodade VS, Porche S, Pharoah BM, Toscano JP. Photochemical Release of Hydropersulfides. J Org Chem 2022; 87:12644-12652. [PMID: 36084133 DOI: 10.1021/acs.joc.2c01049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Hydropersulfides (RSSH) have received significant interest in the field of redox biology because of their intriguing biochemical properties. However, because RSSH are inherently unstable, their study is challenging, and as a result, the details of their physiological roles remain ill-defined. Herein, we report strategies to release RSSH utilizing photoremovable protecting groups. RSSH protection with the well-established p-hydroxyphenacyl (pHP) photoprotecting group resulted in inefficient RSSH photorelease along with complex chemistry. Therefore, an alternative precursor was examined in which a self-immolative linker was inserted between the pHP group and RSSH, providing nearly quantitative RSSH release following photolysis at 365 nm. Inspired by these results, we also synthesized an analogous precursor derivatized with 7-diethylaminocoumarin (DEACM), a visible light-cleavable photoprotecting group. Photolysis of this precursor at 420 nm led to efficient RSSH release, and in vitro experiments demonstrated intracellular RSSH delivery in breast cancer MCF-7 cells.
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Affiliation(s)
- Sahil C Aggarwal
- Department of Chemistry, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Vinayak S Khodade
- Department of Chemistry, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Sarah Porche
- Department of Chemistry, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Blaze M Pharoah
- Department of Chemistry, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - John P Toscano
- Department of Chemistry, Johns Hopkins University, Baltimore, Maryland 21218, United States
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20
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Reactive sulfur species and their significance in health and disease. Biosci Rep 2022; 42:231692. [PMID: 36039860 PMCID: PMC9484011 DOI: 10.1042/bsr20221006] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 08/23/2022] [Accepted: 08/25/2022] [Indexed: 11/23/2022] Open
Abstract
Reactive sulfur species (RSS) have been recognized in the last two decades as very important molecules in redox regulation. They are involved in metabolic processes and, in this way, they are responsible for maintenance of health. This review summarizes current information about the essential biological RSS, including H2S, low molecular weight persulfides, protein persulfides as well as organic and inorganic polysulfides, their synthesis, catabolism and chemical reactivity. Moreover, the role of RSS disturbances in various pathologies including vascular diseases, chronic kidney diseases, diabetes mellitus Type 2, neurological diseases, obesity, chronic obstructive pulmonary disease and in the most current problem of COVID-19 is presented. The significance of RSS in aging is also mentioned. Finally, the possibilities of using the precursors of various forms of RSS for therapeutic purposes are discussed.
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21
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Zarenkiewicz J, Perez-Ternero C, Kojasoy V, McGinity C, Khodade VS, Lin J, Tantillo DJ, Toscano JP, Hobbs AJ, Fukuto JM. The reaction of hydropersulfides (RSSH) with S-nitrosothiols (RS-NO) and the biological/physiological implications. Free Radic Biol Med 2022; 188:459-467. [PMID: 35809768 DOI: 10.1016/j.freeradbiomed.2022.06.245] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 06/06/2022] [Accepted: 06/29/2022] [Indexed: 01/03/2023]
Abstract
S-Nitrosothiol (RS-NO) generation/levels have been implicated as being important to numerous physiological and pathophysiological processes. As such, the mechanism(s) of their generation and degradation are important factors in determining their biological activity. Along with the effects on the activity of thiol proteins, RS-NOs have also been reported to be reservoirs or storage forms of nitric oxide (NO). That is, it is hypothesized that NO can be released from RS-NO at opportune times to, for example, regulate vascular tone. However, to date there are few established mechanisms that can account for facile NO release from RS-NO. Recent discovery of the biological formation and prevalence of hydropersulfides (RSSH) and their subsequent reaction with RS-NO species provides a possible route for NO release from RS-NO. Herein, it is found that RSSH is capable of reacting with RS-NO to liberate NO and that the analogous reaction using RSH is not nearly as proficient in generating NO. Moreover, computational results support the prevalence of this reaction over other possible competing processes. Finally, results of biological studies of NO-mediated vasorelaxation are consistent with the idea that RS-NO species can be degraded by RSSH to release NO.
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Affiliation(s)
| | - Christina Perez-Ternero
- William Harvey Research Institute, Barts & The London School of Medicine, Queen Mary University of London, Charterhouse Square, London, EC1M 6BQ, UK
| | - Volga Kojasoy
- Department of Chemistry, University of California, Davis, 1 Shields Avenue, Davis, CA, 95616, USA
| | - Christopher McGinity
- William Harvey Research Institute, Barts & The London School of Medicine, Queen Mary University of London, Charterhouse Square, London, EC1M 6BQ, UK
| | - Vinayak S Khodade
- Department of Chemistry, Johns Hopkins University, Baltimore, MD, 21218, USA
| | - Joseph Lin
- Department of Biology, Sonoma State University, Rohnert Park, CA, 94928, USA
| | - Dean J Tantillo
- Department of Chemistry, University of California, Davis, 1 Shields Avenue, Davis, CA, 95616, USA.
| | - John P Toscano
- Department of Chemistry, Johns Hopkins University, Baltimore, MD, 21218, USA.
| | - Adrian J Hobbs
- William Harvey Research Institute, Barts & The London School of Medicine, Queen Mary University of London, Charterhouse Square, London, EC1M 6BQ, UK.
| | - Jon M Fukuto
- Department of Chemistry, Johns Hopkins University, Baltimore, MD, 21218, USA; Department of Chemistry, Sonoma State University, Rohnert Park, CA, 94928, USA.
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22
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Schilling D, Barayeu U, Steimbach RR, Talwar D, Miller AK, Dick TP. Commonly Used Alkylating Agents Limit Persulfide Detection by Converting Protein Persulfides into Thioethers. Angew Chem Int Ed Engl 2022; 61:e202203684. [PMID: 35506673 PMCID: PMC9401046 DOI: 10.1002/anie.202203684] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Indexed: 11/07/2022]
Abstract
Protein persulfides (R‐S‐SH) have emerged as a common post‐translational modification. Detection and quantitation of protein persulfides requires trapping with alkylating agents. Here we show that alkylating agents differ dramatically in their ability to conserve the persulfide's sulfur–sulfur bond for subsequent detection by mass spectrometry. The two alkylating agents most commonly used in cell biology and biochemistry, N‐ethylmaleimide and iodoacetamide, are found to be unsuitable for the purpose of conserving persulfides under biologically relevant conditions. The resulting persulfide adducts (R‐S‐S‐Alk) rapidly convert into the corresponding thioethers (R‐S‐Alk) by donating sulfur to ambient nucleophilic acceptors. In contrast, certain other alkylating agents, in particular monobromobimane and N‐t‐butyl‐iodoacetamide, generate stable alkylated persulfides. We propose that the nature of the alkylating agent determines the ability of the disulfide bond (R‐S‐S‐Alk) to tautomerize into the thiosulfoxide (R‐(S=S)‐Alk), and/or the ability of nucleophiles to remove the sulfane sulfur atom from the thiosulfoxide.
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Affiliation(s)
- Danny Schilling
- Division of Redox Regulation, DKFZ-ZMBH AllianceGerman Cancer Research Center (DKFZ)Im Neuenheimer Feld 28069120HeidelbergGermany
- Faculty of BiosciencesHeidelberg University69120HeidelbergGermany
| | - Uladzimir Barayeu
- Division of Redox Regulation, DKFZ-ZMBH AllianceGerman Cancer Research Center (DKFZ)Im Neuenheimer Feld 28069120HeidelbergGermany
- Faculty of BiosciencesHeidelberg University69120HeidelbergGermany
| | - Raphael R. Steimbach
- Faculty of BiosciencesHeidelberg University69120HeidelbergGermany
- Cancer Drug DevelopmentIm Neuenheimer Feld 580, DKFZ69120HeidelbergGermany
| | - Deepti Talwar
- Division of Redox Regulation, DKFZ-ZMBH AllianceGerman Cancer Research Center (DKFZ)Im Neuenheimer Feld 28069120HeidelbergGermany
| | - Aubry K. Miller
- Cancer Drug DevelopmentIm Neuenheimer Feld 580, DKFZ69120HeidelbergGermany
| | - Tobias P. Dick
- Division of Redox Regulation, DKFZ-ZMBH AllianceGerman Cancer Research Center (DKFZ)Im Neuenheimer Feld 28069120HeidelbergGermany
- Faculty of BiosciencesHeidelberg University69120HeidelbergGermany
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23
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Schilling D, Barayeu U, Steimbach RR, Talwar D, Miller AK, Dick TP. Commonly Used Alkylating Agents Limit Persulfide Detection by Converting Protein Persulfides into Thioethers. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202203684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Danny Schilling
- Division of Redox Regulation, DKFZ-ZMBH Alliance German Cancer Research Center (DKFZ) Im Neuenheimer Feld 280 69120 Heidelberg Germany
- Faculty of Biosciences Heidelberg University 69120 Heidelberg Germany
| | - Uladzimir Barayeu
- Division of Redox Regulation, DKFZ-ZMBH Alliance German Cancer Research Center (DKFZ) Im Neuenheimer Feld 280 69120 Heidelberg Germany
- Faculty of Biosciences Heidelberg University 69120 Heidelberg Germany
| | - Raphael R. Steimbach
- Faculty of Biosciences Heidelberg University 69120 Heidelberg Germany
- Cancer Drug Development Im Neuenheimer Feld 580 69120 Heidelberg Germany
| | - Deepti Talwar
- Division of Redox Regulation, DKFZ-ZMBH Alliance German Cancer Research Center (DKFZ) Im Neuenheimer Feld 280 69120 Heidelberg Germany
| | - Aubry K. Miller
- Cancer Drug Development Im Neuenheimer Feld 580 69120 Heidelberg Germany
| | - Tobias P. Dick
- Division of Redox Regulation, DKFZ-ZMBH Alliance German Cancer Research Center (DKFZ) Im Neuenheimer Feld 280 69120 Heidelberg Germany
- Faculty of Biosciences Heidelberg University 69120 Heidelberg Germany
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24
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Horai S, Abiko Y, Unoki T, Shinkai Y, Akiyama M, Nakata K, Kunisue T, Kumagai Y. Concentrations of nucleophilic sulfur species in small Indian mongoose (Herpestes auropunctatus) in Okinawa, Japan. CHEMOSPHERE 2022; 295:133833. [PMID: 35120952 DOI: 10.1016/j.chemosphere.2022.133833] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 01/27/2022] [Accepted: 01/31/2022] [Indexed: 06/14/2023]
Abstract
Reactive sulfur species (RSS), such as hydrogen per (poly)sulfide, cysteine per (poly)sulfide, glutathione per (poly)sulfide, and protein-bound per (poly)sulfides, can easily react with environmental electrophiles such as methylmercury (MeHg), because of their high nucleophilicity. These RSS are produced by enzymes such as cystathionine β-synthase (CBS) and cystathionine γ-lyase (CSE) and are found in mammalian organs. Organs of wildlife have not been analyzed for hydrogen sulfide, cysteine, glutathione, and RSS. In this study, low molecular weight nucleophilic sulfur substances, including RSS, were quantified by stable isotope dilution assay-based liquid chromatography-mass spectrometry using β-(4-hydroxyphenyl)ethyl iodoacetamide to capture the target chemicals in the small Indian mongoose which species possesses high mercury content as same as some marine mammals. Western blotting revealed that the mongoose organs (liver, kidney, cerebrum, and cerebellum) contained proteins that cross-reacted with anti-CBS and CSE antibodies. The expression patterns of these enzymes were similar to those in mice, indicating that mongoose organs contain CBS and CSE. Moreover, bis-methylmercury sulfide (MeHg)2S, which is a low toxic compound in comparison to MeHg, was found in the liver of this species. These results suggest that the small Indian mongoose produces RSS and monothiols associated with detoxification of electrophilic organomercury. The animals which have high mercury content in their bodies may have function of mercury detoxification involved not only Se but also RSS interactions.
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Affiliation(s)
- Sawako Horai
- Environmental Health Section, Department of Environment and Public Health, National Institute for Minamata Disease, 4058-18 Hama, Minamata, Kumamoto, 867-0008, Japan.
| | - Yumi Abiko
- Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan.
| | - Takamitsu Unoki
- Hygienic Chemistry Section, Department of Basic Medical Sciences, National Institute for Minamata Disease, 4058-18 Hama, Minamata, Kumamoto, 867-0008, Japan.
| | - Yasuhiro Shinkai
- Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan.
| | - Masahiro Akiyama
- Research Center for Drug Discovery, Faculty of Pharmacy and Graduate School of Pharmaceutical Science, Keio University, 1-5-30 Shibakoen, Minato-ku, Tokyo, 105-8512, Japan.
| | - Katsushi Nakata
- Nansei Environmental Laboratory Co., Ltd., 4-4 Agarizaki, Nishihara, Okinawa, 903-0105, Japan.
| | - Tatsuya Kunisue
- Center for Marine Environmental Studies, Ehime University, 2-5 Bunkyo-cho, Matsuyama, Ehime, 790-8577, Japan.
| | - Yoshito Kumagai
- Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan.
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Sulfane Sulfur Posttranslationally Modifies the Global Regulator AdpA to Influence Actinorhodin Production and Morphological Differentiation of Streptomyces coelicolor. mBio 2022; 13:e0386221. [PMID: 35467418 PMCID: PMC9239190 DOI: 10.1128/mbio.03862-21] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The transcription factor AdpA is a key regulator controlling both secondary metabolism and morphological differentiation in Streptomyces. Due to its critical functions, its expression undergoes multilevel regulations at transcriptional, posttranscriptional, and translational levels, yet no posttranslational regulation has been reported. Sulfane sulfur, such as hydro polysulfide (HSnH, n ≥ 2) and organic polysulfide (RSnH, n ≥ 2), is common inside microorganisms, but its physiological functions are largely unclear. Here, we discovered that sulfane sulfur posttranslationally modifies AdpA in Streptomyces coelicolor via specifically reacting with Cys62 of AdpA to form a persulfide (Cys62-SSH). This modification decreases the affinity of AdpA to its self-promoter PadpA, allowing increased expression of adpA, further promoting the expression of its target genes actII-4 and wblA. ActII-4 activates actinorhodin biosynthesis, and WblA regulates morphological development. Bioinformatics analyses indicated that AdpA-Cys62 is highly conserved in Streptomyces, suggesting the prevalence of such modification in this genus. Thus, our study unveils a new type of regulation on the AdpA activity and sheds a light on how sulfane sulfur stimulates the production of antibiotics in Streptomyces.
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Brown EM, Bowden NB. Stabilities of Three Key Biological Trisulfides with Implications for Their Roles in the Release of Hydrogen Sulfide and Bioaccumulation of Sulfane Sulfur. ACS OMEGA 2022; 7:11440-11451. [PMID: 35415350 PMCID: PMC8992272 DOI: 10.1021/acsomega.2c00736] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Accepted: 03/15/2022] [Indexed: 05/28/2023]
Abstract
Trisulfides and higher polysulfides are important in the body due to their function as key reservoirs of sulfane sulfur and their rapid reactions to release persulfides. Recent work has shown that persulfides act as powerful antioxidants and release hydrogen sulfide, an emerging gasotransmitter with numerous therapeutic effects. Despite the important role of polysulfides, there is a lack of understanding of their stabilities in aqueous systems. To investigate the reactivity of trisulfides and polysulfides, three key biologically important trisulfides were synthesized from cysteine, glutathione, and N-acetylcysteine, and the tetrasulfide of N-acetylcysteine was synthesized as a representative polysulfide. The stabilities of sulfides were monitored in buffered D2O using 1H NMR spectroscopy under a range of conditions including high temperatures and acidic and alkaline environments. The tri- and tetrasulfides degraded rapidly in the presence of primary and tertiary amines to the corresponding disulfide and elemental sulfur. The half-lives of N-acetylcysteine tri- and tetrasulfides in the presence of butylamine were 53 and 1.5 min, respectively. These results were important because they suggest that tri- and tetrasulfide linkages are short-lived species in vivo due to the abundance of amines in the body. Under basic conditions, cysteine and glutathione trisulfides were unstable due to the deprotonation of the ammonium group, exposing an amine; however, N-acetylcysteine trisulfide was stable at all pH values tested. Hydrogen sulfide release of each polysulfide in the presence of cysteine was quantified using a hydrogen sulfide-sensitive electrode and 1H NMR spectroscopy.
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Affiliation(s)
- Eric M. Brown
- Department of Chemistry, University of Iowa, Iowa City, Iowa 52242, United States
| | - Ned B. Bowden
- Department of Chemistry, University of Iowa, Iowa City, Iowa 52242, United States
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Merz T, McCook O, Brucker C, Waller C, Calzia E, Radermacher P, Datzmann T. H 2S in Critical Illness-A New Horizon for Sodium Thiosulfate? Biomolecules 2022; 12:543. [PMID: 35454132 PMCID: PMC9029606 DOI: 10.3390/biom12040543] [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: 03/11/2022] [Revised: 04/01/2022] [Accepted: 04/02/2022] [Indexed: 12/13/2022] Open
Abstract
Ever since the discovery of endogenous H2S and the identification of its cytoprotective properties, efforts have been made to develop strategies to use H2S as a therapeutic agent. The ability of H2S to regulate vascular tone, inflammation, oxidative stress, and apoptosis might be particularly useful in the therapeutic management of critical illness. However, neither the inhalation of gaseous H2S, nor the administration of inorganic H2S-releasing salts or slow-releasing H2S-donors are feasible for clinical use. Na2S2O3 is a clinically approved compound with a good safety profile and is able to release H2S, in particular under hypoxic conditions. Pre-clinical studies show promise for Na2S2O3 in the acute management of critical illness. A current clinical trial is investigating the therapeutic potential for Na2S2O3 in myocardial infarct. Pre-eclampsia and COVID-19 pneumonia might be relevant targets for future clinical trials.
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Affiliation(s)
- Tamara Merz
- Institute for Anesthesiological Pathophysiology and Process Engineering, Ulm University Medical Center, 89081 Ulm, Germany; (O.M.); (E.C.); (P.R.)
- Clinic for Anesthesiology and Intensive Care, Ulm University Medical Center, 89081 Ulm, Germany;
| | - Oscar McCook
- Institute for Anesthesiological Pathophysiology and Process Engineering, Ulm University Medical Center, 89081 Ulm, Germany; (O.M.); (E.C.); (P.R.)
| | - Cosima Brucker
- Department of Gynecology and Obstetrics, Nuremberg General Hospital, Paracelsus Medical University, 90419 Nuremberg, Germany;
| | - Christiane Waller
- Department of Psychosomatic Medicine and Psychotherapy, Nuremberg General Hospital, Paracelsus Medical University, 90419 Nuremberg, Germany;
| | - Enrico Calzia
- Institute for Anesthesiological Pathophysiology and Process Engineering, Ulm University Medical Center, 89081 Ulm, Germany; (O.M.); (E.C.); (P.R.)
| | - Peter Radermacher
- Institute for Anesthesiological Pathophysiology and Process Engineering, Ulm University Medical Center, 89081 Ulm, Germany; (O.M.); (E.C.); (P.R.)
| | - Thomas Datzmann
- Clinic for Anesthesiology and Intensive Care, Ulm University Medical Center, 89081 Ulm, Germany;
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Wang T, Yang Y, Liu M, Liu H, Liu H, Xia Y, Xun L. Elemental Sulfur Inhibits Yeast Growth via Producing Toxic Sulfide and Causing Disulfide Stress. Antioxidants (Basel) 2022; 11:antiox11030576. [PMID: 35326226 PMCID: PMC8945482 DOI: 10.3390/antiox11030576] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Revised: 03/14/2022] [Accepted: 03/15/2022] [Indexed: 11/16/2022] Open
Abstract
Elemental sulfur is a common fungicide, but its inhibition mechanism is unclear. Here, we investigated the effects of elemental sulfur on the single-celled fungus Saccharomyces cerevisiae and showed that the inhibition was due to its function as a strong oxidant. It rapidly entered S. cerevisiae. Inside the cytoplasm, it reacted with glutathione to generate glutathione persulfide that then reacted with another glutathione to produce H2S and glutathione disulfide. H2S reversibly inhibited the oxygen consumption by the mitochondrial electron transport chain, and the accumulation of glutathione disulfide caused disulfide stress and increased reactive oxygen species in S. cerevisiae. Elemental sulfur inhibited the growth of S. cerevisiae; however, it did not kill the yeast for up to 2 h exposure. The combined action of elemental sulfur and hosts’ immune responses may lead to the demise of fungal pathogens.
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Affiliation(s)
- Tianqi Wang
- State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Road, Qingdao 266237, China; (T.W.); (Y.Y.); (M.L.); (H.L.); (H.L.)
| | - Yuqing Yang
- State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Road, Qingdao 266237, China; (T.W.); (Y.Y.); (M.L.); (H.L.); (H.L.)
| | - Menghui Liu
- State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Road, Qingdao 266237, China; (T.W.); (Y.Y.); (M.L.); (H.L.); (H.L.)
| | - Honglei Liu
- State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Road, Qingdao 266237, China; (T.W.); (Y.Y.); (M.L.); (H.L.); (H.L.)
| | - Huaiwei Liu
- State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Road, Qingdao 266237, China; (T.W.); (Y.Y.); (M.L.); (H.L.); (H.L.)
| | - Yongzhen Xia
- State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Road, Qingdao 266237, China; (T.W.); (Y.Y.); (M.L.); (H.L.); (H.L.)
- Correspondence: (Y.X.); (L.X.); Tel.: +86-532-58631572 (Y.X.); +1-509-335-2787 (L.X.)
| | - Luying Xun
- State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Road, Qingdao 266237, China; (T.W.); (Y.Y.); (M.L.); (H.L.); (H.L.)
- School of Molecular Biosciences, Washington State University, Pullman, WA 991647520, USA
- Correspondence: (Y.X.); (L.X.); Tel.: +86-532-58631572 (Y.X.); +1-509-335-2787 (L.X.)
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Chemistry of Outlandish Natural Products Belonging to Sulfur Metabolism: Unrevealed Green Syntheses and Separation Strategies from the Cavallini’s Old School. SEPARATIONS 2022. [DOI: 10.3390/separations9020045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The last century has been very important from the point of view of research and investigation in the fields of the chemistry and biochemistry of sulfur-containing natural products. One of the most important contributions to the discovery and study of human sulfur-containing metabolites was performed by the research group of Professor Doriano Cavallini at Sapienza University of Rome, during the last 80 years. His research brought to light the discovery of unusual sulfur metabolites that were chemically synthesized and determined in different biological specimens. Most of his synthetical strategies were performed in aqueous conditions, which nowadays can be considered totally in line with the recent concepts of the green chemistry. The aim of this paper is to describe and summarize synthetic procedures, and purification and analytical methods from the Cavallini’s school, with the purpose to provide efficient and green methodologies for the preparation and obtainment of peculiar unique sulfur-containing metabolites.
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Jurkowska H, Wróbel M, Jasek-Gajda E, Rydz L. Sulfurtransferases and Cystathionine Beta-Synthase Expression in Different Human Leukemia Cell Lines. Biomolecules 2022; 12:148. [PMID: 35204649 PMCID: PMC8961552 DOI: 10.3390/biom12020148] [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: 12/23/2021] [Revised: 01/14/2022] [Accepted: 01/16/2022] [Indexed: 12/17/2022] Open
Abstract
The studies concerned the expression of sulfurtransferases and cystathionine beta-synthase in six human leukemia cell lines: B cell acute lymphoblastic leukemia-B-ALL (REH cells), T cell acute lymphoblastic leukemia-T-ALL (DND-41 and MOLT-4 cells), acute myeloid leukemia-AML (MV4-11 and MOLM-14 cells), and chronic myeloid leukemia-CML (K562 cells). Reverse transcription-polymerase chain reaction (RT-PCR) and Western blot analysis were performed to determine the expression of thiosulfate sulfurtransferase, 3-mercaptopyruvate sulfurtransferase, gamma-cystathionase, and cystathionine beta-synthase on the mRNA and protein level. Interestingly, we found significant differences in the mRNA and protein levels of sulfurtransferases and cystathionine beta-synthase in the studied leukemia cells. The obtained results may contribute to elucidating the significance of the differences between the studied cells in the field of sulfur compound metabolism and finding new promising ways to inhibit the proliferation of various types of leukemic cells by modulating the activity of sulfurtransferases, cystathionine beta-synthase, and, consequently, the change of intracellular level of sulfane sulfur as well as H2S and reactive oxygen species production.
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Affiliation(s)
- Halina Jurkowska
- Chair of Medical Biochemistry, Faculty of Medicine, Jagiellonian University Medical College, 7 Kopernika St., 31-034 Kraków, Poland; (M.W.); (L.R.)
| | - Maria Wróbel
- Chair of Medical Biochemistry, Faculty of Medicine, Jagiellonian University Medical College, 7 Kopernika St., 31-034 Kraków, Poland; (M.W.); (L.R.)
| | - Ewa Jasek-Gajda
- Department of Histology, Faculty of Medicine, Jagiellonian University Medical College, 7 Kopernika St., 31-034 Kraków, Poland;
| | - Leszek Rydz
- Chair of Medical Biochemistry, Faculty of Medicine, Jagiellonian University Medical College, 7 Kopernika St., 31-034 Kraków, Poland; (M.W.); (L.R.)
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Xiong J, Wang H, Yao J, He Q, Ma J, Yang J, Liu C, Chen Y, Huangfu X, Liu H. A critical review on sulfur reduction of aqueous selenite: Mechanisms and applications. JOURNAL OF HAZARDOUS MATERIALS 2022; 422:126852. [PMID: 34399225 DOI: 10.1016/j.jhazmat.2021.126852] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 07/28/2021] [Accepted: 08/05/2021] [Indexed: 06/13/2023]
Abstract
Selenite, which is extremely toxic at high concentrations, can easily be enriched in natural aquatic environments due to human activities, which causes great harm to ecosystems. Sulfur reduction can effectively reduce soluble selenite in large quantities to nontoxic solid elemental selenium, which plays a significant role in controlling the toxicity and cycle of selenium. In view of the bright prospects of the sulfur reduction reaction of selenite, this review comprehensively summarizes the continuous development in the sulfidation of selenite. First, the geochemical characteristics of aqueous selenium in different sulfur systems involving species distribution and various phase types at Eh-pH conditions were summarized. Second, sulfur reductions of selenite with chemical sulfide in natural water environments, sulfur reductase and extracellular polymer substances containing thiol groups in sulfate-reducing bacteria have been reviewed to further understand the corresponding mechanisms, rates and influencing factors. Furthermore, applications of sulfur reduction of selenium, including removal of selenium, enrichment of selenium, synthesis of selenoproteins and prevention of leakage of selenium, were also summarized. Finally, this review identified future research needs for the sulfidation of selenite for environmental applications.
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Affiliation(s)
- Jiaming Xiong
- Key Laboratory of Eco-environments in Three Gorges Reservoir Region, Ministry of Education, College of Environment and Ecology, Chongqing University, Chongqing 400044, China
| | - Hainan Wang
- Key Laboratory of Eco-environments in Three Gorges Reservoir Region, Ministry of Education, College of Environment and Ecology, Chongqing University, Chongqing 400044, China
| | - Jinni Yao
- Key Laboratory of Eco-environments in Three Gorges Reservoir Region, Ministry of Education, College of Environment and Ecology, Chongqing University, Chongqing 400044, China
| | - Qiang He
- Key Laboratory of Eco-environments in Three Gorges Reservoir Region, Ministry of Education, College of Environment and Ecology, Chongqing University, Chongqing 400044, China
| | - Jun Ma
- State Key Laboratory of Urban Water Resource and Environment, School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, China
| | - Jingjing Yang
- Center for Separation and Purification Materials & Technologies, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Caihong Liu
- Key Laboratory of Eco-environments in Three Gorges Reservoir Region, Ministry of Education, College of Environment and Ecology, Chongqing University, Chongqing 400044, China
| | - Yao Chen
- Key Laboratory of Eco-environments in Three Gorges Reservoir Region, Ministry of Education, College of Environment and Ecology, Chongqing University, Chongqing 400044, China
| | - Xiaoliu Huangfu
- Key Laboratory of Eco-environments in Three Gorges Reservoir Region, Ministry of Education, College of Environment and Ecology, Chongqing University, Chongqing 400044, China.
| | - Hongxia Liu
- Key Laboratory of Eco-environments in Three Gorges Reservoir Region, Ministry of Education, College of Environment and Ecology, Chongqing University, Chongqing 400044, China.
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Echizen H, Sasaki E, Hanaoka K. Recent Advances in Detection, Isolation, and Imaging Techniques for Sulfane Sulfur-Containing Biomolecules. Biomolecules 2021; 11:1553. [PMID: 34827552 PMCID: PMC8616024 DOI: 10.3390/biom11111553] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 10/17/2021] [Accepted: 10/17/2021] [Indexed: 02/06/2023] Open
Abstract
Hydrogen sulfide and its oxidation products are involved in many biological processes, and sulfane sulfur compounds, which contain sulfur atoms bonded to other sulfur atom(s), as found in hydropersulfides (R-S-SH), polysulfides (R-S-Sn-S-R), hydrogen polysulfides (H2Sn), etc., have attracted increasing interest. To characterize their physiological and pathophysiological roles, selective detection techniques are required. Classically, sulfane sulfur compounds can be detected by cyanolysis, involving nucleophilic attack by cyanide ion to cleave the sulfur-sulfur bonds. The generated thiocyanate reacts with ferric ion, and the resulting ferric thiocyanate complex can be easily detected by absorption spectroscopy. Recent exploration of the properties of sulfane sulfur compounds as both nucleophiles and electrophiles has led to the development of various chemical techniques for detection, isolation, and bioimaging of sulfane sulfur compounds in biological samples. These include tag-switch techniques, LC-MS/MS, Raman spectroscopy, and fluorescent probes. Herein, we present an overview of the techniques available for specific detection of sulfane sulfur species in biological contexts.
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Affiliation(s)
- Honami Echizen
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan;
| | - Eita Sasaki
- Graduate School of Pharmaceutical Sciences, Keio University, 1-5-30 Shibakoen, Minato-ku, Tokyo 105-8512, Japan;
| | - Kenjiro Hanaoka
- Graduate School of Pharmaceutical Sciences, Keio University, 1-5-30 Shibakoen, Minato-ku, Tokyo 105-8512, Japan;
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Islam RK, Donnelly E, Islam KN. Circulating Hydrogen Sulfide (H 2S) and Nitric Oxide (NO) Levels Are Significantly Reduced in HIV Patients Concomitant with Increased Oxidative Stress Biomarkers. J Clin Med 2021; 10:jcm10194460. [PMID: 34640478 PMCID: PMC8509794 DOI: 10.3390/jcm10194460] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Accepted: 09/22/2021] [Indexed: 12/17/2022] Open
Abstract
Human immunodeficiency virus (HIV) attacks the immune system and weakens the ability to fight infections/disease. Furthermore, HIV infection confers approximately two-fold higher risk of cardiac events compared with the general population. The pathological mechanisms responsible for the increased incidence of cardiovascular disease in HIV patients are largely unknown. We hypothesized that increased oxidative stress and attenuated circulating levels of the cardioprotective gaseous signaling molecules, nitric oxide (NO), and hydrogen sulfide (H2S) were involved in the cardiovascular pathobiology observed in HIV patients. Plasma samples from both HIV patients and age-matched normal subjects were used for all assays. Oxidative stress was determined by analyzing the levels of advanced oxidation protein products (AOPP) and H2O2. Antioxidant levels were determined by measuring the levels of trolox equivalent capacity. ADMA, hs-CRP, and IL-6 were determined by using ELISA. The levels of H2S (free H2S and sulfane sulfur) and NO2 (nitrite) were determined in the plasma samples by using gas chromatography and HPLC, respectively. In the present study we observed a marked induction in the levels of oxidative stress and decreased antioxidant status in the plasma of HIV patients as compared with the controls. Circulating levels of the cardiovascular disease biomarkers: ADMA, hs-CRP (high-sensitivity C-reactive protein), and IL-6 were significantly increased in the circulatory system of HIV patients. The levels of both nitrite and H2S/sulfane sulfur were significantly reduced in the plasma of HIV patients as compared with normal subjects. Our data demonstrate significant increases in circulating biomarkers of oxidative stress and cardiovascular (CV) in conjunction with decreased bioavailability of H2S and NO in HIV patients. Diminished levels of these two cardioprotective gaseous signaling molecules may be involved in the pathogenesis of CV disease in the setting of HIV.
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Affiliation(s)
- Rahib K. Islam
- LSU Health Sciences Center, Department of Pharmacology, 1901 Perdido St., New Orleans, LA 70112, USA; (R.K.I.); (E.D.)
| | - Erinn Donnelly
- LSU Health Sciences Center, Department of Pharmacology, 1901 Perdido St., New Orleans, LA 70112, USA; (R.K.I.); (E.D.)
| | - Kazi N. Islam
- LSU Health Sciences Center, Department of Pharmacology, 1901 Perdido St., New Orleans, LA 70112, USA; (R.K.I.); (E.D.)
- Agricultural Research Development Program, College of Engineering, Science, Technology and Agriculture, Central State University, 1400 Brush Row Road, Wilberforce, OH 45384, USA
- Correspondence:
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Wang Q, Li H, Xia Y, Xun L, Liu H. Saccharomyces cerevisiae Rhodanese RDL2 Uses the Arg Residue of the Active-Site Loop for Thiosulfate Decomposition. Antioxidants (Basel) 2021; 10:antiox10101525. [PMID: 34679660 PMCID: PMC8533005 DOI: 10.3390/antiox10101525] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Revised: 09/22/2021] [Accepted: 09/22/2021] [Indexed: 12/01/2022] Open
Abstract
Persulfide, polysulfide and thiosulfate are examples of sulfane sulfur containing chemicals that play multiple functions in biological systems. Rhodaneses are widely present in all three kingdoms of life, which catalyze sulfur transfer among these sulfane sulfur-containing chemicals. The mechanism of how rhodaneses function is not well understood. Saccharomyces cerevisiae rhodanese 2 (RDL2) is involved in mitochondrial biogenesis and cell cycle control. Herein, we report a 2.47 Å resolution structure of RDL2 co-crystallized with thiosulfate (PDB entry: 6K6R). The presence of an extra sulfur atom Sδ, forming a persulfide bond with the Sγ atom of Cys106, was observed. Distinct from the persulfide groups in GlpE (PDB entry:1GMX) and rhobov (PDB entry:1BOI), the persulfide group of RDL2 is located in a peanut-like pocket of the neutral electrostatic field and is far away from positively charged amino acid residues of its active-site loop, suggesting no interaction between them. This finding suggests that the positively charged amino acid residues are not involved in the stabilization of the persulfide group. Activity assays indicate that the Arg111 of the active-site loop is critical for the sulfane sulfur transfer. In vitro assays indicate that Arg propels the thiosulfate decomposition. Thus, we propose that Arg can offer a hydrogen bond-rich, acidic-like microenvironment in RDL2 in which thiosulfate decomposes to release sulfane sulfur. Thr of the active-site loop of rhodaneses has the same functions as Arg. Our proposal may explain the catalyzing mechanism of rhodaneses.
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Affiliation(s)
- Qingda Wang
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China; (Q.W.); (Y.X.); (L.X.)
| | - Huanjie Li
- School of Medicine, Cheeloo College of Medicine, Shandong University, Jinan 260024, China;
| | - Yongzhen Xia
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China; (Q.W.); (Y.X.); (L.X.)
| | - Luying Xun
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China; (Q.W.); (Y.X.); (L.X.)
- Department of Chemistry, School of Molecular Biosciences, Washington State University, Pullman, WA 99164-4630, USA
| | - Huaiwei Liu
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China; (Q.W.); (Y.X.); (L.X.)
- Correspondence: ; Tel.: +81-532-5863-1572
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Olive LN, Dornshuld EV, Webster CE. The curious case of DMSO: A CCSD(T)/CBS(aQ56+d) benchmark and DFT study. J Chem Phys 2021; 155:114304. [PMID: 34551533 DOI: 10.1063/5.0057327] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
This work addresses the pathological behavior of the energetics of dimethyl sulfoxide and related sulfur-containing compounds by providing the computational benchmark energetics of R2E2 species, where R = H/CH3 and E = O/S, with bent and pyramidal geometries using state-of-the-art methodologies. These 22 geometries were fully characterized with coupled-cluster with single, double, and perturbative triple excitations [CCSD(T)], second-order Møller-Plesset perturbation theory (MP2), and 22 density functional theory (DFT) methods with 8, 12, and 12, respectively, correlation consistent basis sets of double-, triple-, or quadruple-ζ quality. The relative energetics were determined at the MP2 and CCSD(T) complete basis set (CBS) limits using 17 basis sets up to sextuple-ζ and include augmented, tight-d, and core-valence correlation consistent basis sets. The relative energies of oxygen-/sulfur-containing compounds exhibit exceptionally slow convergence to the CBS limit with canonical methods as well as significant basis set dependence. CCSD(T) with quadruple-ζ basis sets can give qualitatively incorrect relative energies. Explicitly correlated MP2-F12 and CCSD(T)-F12 methods dramatically accelerate the convergence of the relative energies to the CBS limit for these problematic compounds. The F12 methods with a triple-ζ quality basis set give relative energies that deviate no more than 0.41 kcal mol-1 from the benchmark CBS limit. The correlation consistent Composite Approach (ccCA), ccCA-TM (TM for transition metals), and G3B3 deviated by no more than 2 kcal mol-1 from the benchmark CBS limits. Relative energies for oxygen-/sulfur-containing systems fully characterized with DFT are quite unreliable even with triple-ζ quality basis sets, and 13 out of 45 combinations fortuitously give a relative energy that is within 1 kcal mol-1 on average from the benchmark CCSD(T) CBS limit for these systems.
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Affiliation(s)
- Laura N Olive
- Department of Chemistry, Mississippi State University, Mississippi State, Mississippi 39762-9573, USA
| | - Eric Van Dornshuld
- Department of Chemistry, Mississippi State University, Mississippi State, Mississippi 39762-9573, USA
| | - Charles Edwin Webster
- Department of Chemistry, Mississippi State University, Mississippi State, Mississippi 39762-9573, USA
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Sokrateva TD, Roussev BH, Nashar MA, Kiselova-Kaneva YD, Mihaylova GM, Todorova MN, Pasheva MG, Tasinov OB, Nazifova-Tasinova NF, Vankova DG, Ivanova DP, Radanova MA, Ts Galunska B, Vlaykova TI, Ivanova DG. Effects of sulphur-containing mineral water intake on oxidative status and markers for inflammation in healthy subjects. Arch Physiol Biochem 2021; 127:327-336. [PMID: 31291758 DOI: 10.1080/13813455.2019.1638416] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
CONTEXT Sulphurous mineral waters (SMW) have a wide range of applications. Sulphur content of mineral waters is considered as possible determinant for their anti-inflammatory or pro-inflammatory effects. OBJECTIVE To explore the healing properties of Varna basin mineral water by analysing possible antioxidative and anti-inflammatory effects. MATERIALS AND METHODS An intervention with Varna SMW intake was performed with healthy volunteers. Total thiols, total glutathione and its fractions, reactive oxygen metabolites, malondialdehyde, intracellular adhesion molecule (ICAM-1) and vascular cell adhesion molecule (VCAM-1) were measured. Expression of γ-gluthamyl-cysteinyl ligase (GCL) and sICAM-1 genes was also analysed. RESULTS A significantly increased total glutathione and total thiols were observed at the end of the intervention. GCL and sICAM-1 gene expressions were increased after the intervention. CONCLUSION SMW consumption improved redox status of the body. We suggested that these beneficial effects may be attributed to the established high levels of sulphur-containing compounds in Varna mineral water.
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Affiliation(s)
- Todorka D Sokrateva
- Department of Biochemistry, Molecular Medicine and Nutrigenomics, Medical University-Varna, Varna, Bulgaria
| | - Bogdan H Roussev
- Department of Biochemistry, Molecular Medicine and Nutrigenomics, Medical University-Varna, Varna, Bulgaria
| | - Milka A Nashar
- Department of Biochemistry, Molecular Medicine and Nutrigenomics, Medical University-Varna, Varna, Bulgaria
| | - Yoana D Kiselova-Kaneva
- Department of Biochemistry, Molecular Medicine and Nutrigenomics, Medical University-Varna, Varna, Bulgaria
| | - Galya M Mihaylova
- Department of Biochemistry, Molecular Medicine and Nutrigenomics, Medical University-Varna, Varna, Bulgaria
| | - Miglena N Todorova
- Department of Biochemistry, Molecular Medicine and Nutrigenomics, Medical University-Varna, Varna, Bulgaria
| | - Milena G Pasheva
- Department of Biochemistry, Molecular Medicine and Nutrigenomics, Medical University-Varna, Varna, Bulgaria
| | - Oskan B Tasinov
- Department of Biochemistry, Molecular Medicine and Nutrigenomics, Medical University-Varna, Varna, Bulgaria
| | - Neshe F Nazifova-Tasinova
- Department of Biochemistry, Molecular Medicine and Nutrigenomics, Medical University-Varna, Varna, Bulgaria
| | - Deyana G Vankova
- Department of Biochemistry, Molecular Medicine and Nutrigenomics, Medical University-Varna, Varna, Bulgaria
| | - Desislava P Ivanova
- Department of Biochemistry, Molecular Medicine and Nutrigenomics, Medical University-Varna, Varna, Bulgaria
| | - Maria A Radanova
- Department of Biochemistry, Molecular Medicine and Nutrigenomics, Medical University-Varna, Varna, Bulgaria
| | - Bistra Ts Galunska
- Department of Biochemistry, Molecular Medicine and Nutrigenomics, Medical University-Varna, Varna, Bulgaria
| | - Tatyana I Vlaykova
- Department of Chemistry and Biochemistry, Medical Faculty, Trakia University, Stara Zagora, Bulgaria
| | - Diana G Ivanova
- Department of Biochemistry, Molecular Medicine and Nutrigenomics, Medical University-Varna, Varna, Bulgaria
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Mitchell SC. Nutrition and sulfur. ADVANCES IN FOOD AND NUTRITION RESEARCH 2021; 96:123-174. [PMID: 34112351 DOI: 10.1016/bs.afnr.2021.02.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Sulfur is unusual in that it is a mineral that may be taken into the body in both inorganic and organic combinations. It has been available within the environment throughout the development of lifeforms and as such has become integrated into virtually every aspect of biochemical function. It is essential for the nature and maintenance of structure, assists in communication within the organism, is vital as a catalytic assistant in intermediary metabolism and the mechanism of energy flow as well as being involved in internal defense against potentially damaging reactive species and invading foreign chemicals. Recent studies have suggested extended roles for sulfur-containing molecules within living systems. As such, questions have been raised as to whether or not humans are receiving sufficient sulfur within their diet. Sulfur appears to have been the "poor relation" with regards to mineral nutrition. This may be because of difficulties encountered over its multifarious functions, the many chemical guises in which it may be ingested and its complex biochemical interconversions once taken into the body. No established daily requirements have been determined, unlike many minerals, although suggestions have been proposed. Owing to its widespread distribution within dietary components its intake has almost been taken for granted. In the majority of individuals partaking of a balanced diet the supply is deemed adequate, but those opting for specialized or restrictive diets may experience occasional and low-level shortages. In these instances, the careful use of sulfur supplements may be of benefit.
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Affiliation(s)
- Stephen C Mitchell
- Faculty of Medicine, Imperial College London, London, England, United Kingdom.
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Rose P, Moore PK, Whiteman M, Kirk C, Zhu YZ. Diet and Hydrogen Sulfide Production in Mammals. Antioxid Redox Signal 2021; 34:1378-1393. [PMID: 33372834 DOI: 10.1089/ars.2020.8217] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Significance: In recent times, it has emerged that some dietary sulfur compounds can act on mammalian cell signaling systems via their propensity to release hydrogen sulfide (H2S). H2S plays important biochemical and physiological roles in the heart, gastrointestinal tract, brain, kidney, and immune systems of mammals. Reduced levels of H2S in cells and tissues correlate with a spectrum of pathophysiological conditions, including heart disease, diabetes, obesity, and altered immune function. Recent Advances: In the last decade, researchers have now begun to explore the mechanisms by which dietary-derived sulfur compounds, in addition to cysteine, can act as sources of H2S. This research has led to the identified several compounds, organic sulfides, isothiocyanates, and inorganic sulfur species including sulfate that can act as potential sources of H2S in mammalian cells and tissues. Critical Issues: We have summarised progress made in the identification of dietary factors that can impact on endogenous H2S levels in mammals. We also describe current research focused on how some sulfur molecules present in dietary plants, and associated chemical analogues, act as sources of H2S, and discuss the biological properties of these molecules as studied in a range of in vitro and in vivo systems. Future Directions: The identification of sulfur compounds in edible plants that can act as novel H2S releasing molecules is intriguing. Research in this area could inform future studies exploring the impact of diet on H2S levels in mammalian systems. Despite recent progress, additional work is needed to determine the mechanisms by which H2S is released from these molecules following ingestions of dietary plants in humans, whether the amounts of H2S produced is of physiological significance following the metabolism of these compounds in vivo, and if diet could be used to manipulated H2S levels in humans. Importantly, this will lead to a better understanding of the biological significance of H2S generated from dietary sources, and this information could be used in the development of plant breeding initiatives to increase the levels of H2S releasing sulfur compounds in crops, or inform dietary intervention strategies that could be used to alter the levels of H2S in humans.
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Affiliation(s)
- Peter Rose
- School of Biosciences, University of Nottingham, Loughborough, Leicestershire, United Kingdom.,State Key Laboratory of Quality Research in Chinese Medicine, School of Pharmacy, Macau University of Science and Technology, Macau, China
| | - Philip Keith Moore
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Matthew Whiteman
- College of Medicine and Health, University of Exeter Medical School, Exeter, United Kingdom
| | - Charlotte Kirk
- School of Biosciences, University of Nottingham, Loughborough, Leicestershire, United Kingdom
| | - Yi-Zhun Zhu
- State Key Laboratory of Quality Research in Chinese Medicine, School of Pharmacy, Macau University of Science and Technology, Macau, China
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Isolation and analysis of a non-protein low molecular weight thiol-mercurial adduct from human prostate lymph node cells (LNCaP). Biosci Rep 2021; 40:225158. [PMID: 32495828 PMCID: PMC7303348 DOI: 10.1042/bsr20201343] [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: 04/29/2020] [Revised: 05/27/2020] [Accepted: 05/28/2020] [Indexed: 11/17/2022] Open
Abstract
Thiol compounds present in human malignant prostate cells (LNCaP) were investigated after reaction with a mercurial blocking reagent. After extracting the cellular glutathione and some other low molecular weight (LMW) thiols using trichloroacetic acid the resulting the protein precipitate was extracted with buffered 8 M urea containing 2-chloromercuri-4-nitrophenol in an equimolar amount to that of the thiol present. After removing the insoluble chromatin fraction the urea soluble labeled adducts formed were chromatographed on G15 Sephadex. Three yellow coloured (A410 nm) fractions were obtained; first, the excluded protein fraction containing 16.0 ± 4.1% of the applied label followed by an intermediate fraction containing 5.9 ± 1.2%. Finally a LMW fraction emerged which contained 77.2 ± 3.7% of the total label applied and this was further analyzed by column chromatography, first on an anion exchange column and then on a PhenylSepharose 6 column to give what appeared to be a single component. LC-MS analysis of this component gave a pattern of mercuri-clusters, formed on MS ionization showing possible parent ions at 704 or 588 m/z, the former indicating that a thiol fragment of molecular weight approximately 467 could be present. No fragments with a single sulfur adduct (a 369 m/z fragment) were observed The adduct was analyzed for cysteine and other amino acids, nucleic acid bases, ribose and deoxyribose sugars, selenium and phosphorus; all were negative leading to the conclusion that a new class of unknown LMW thiol is present concealed in the protein matrices of these cells.
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Kasamatsu S, Ihara H. Regulation of redox signaling by reactive sulfur species. J Clin Biochem Nutr 2021; 68:111-115. [PMID: 33879961 PMCID: PMC8046004 DOI: 10.3164/jcbn.20-124] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Accepted: 11/30/2020] [Indexed: 02/04/2023] Open
Abstract
Reactive sulfur species, such as cysteine persulfide, are produced endogenously at significant levels in cells and have rapidly emerged as common biomolecules. By virtue of improved analytical methods for detecting reactive persulfides, it has been demonstrated that these reactive molecules exhibit unique chemical properties and are present in various forms in vivo. Accumulating evidence has suggested that persulfides may be involved in a variety of biological processes, such as antioxidant and anti-inflammatory responses, biosynthesis of sulfur-containing molecules, mitochondrial energy metabolism via sulfur respiration, and cytoprotection via regulation of redox signal transduction induced by endogenous and exogenous electrophiles. Elucidation of the persulfide-dependent metabolism of redox signals is expected to facilitate our understanding of the importance of persulfides in regulating redox signals.
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Affiliation(s)
- Shingo Kasamatsu
- Department of Biological Science, Graduate School of Science, Osaka Prefecture University, 1-1 Gakuen-cho, Sakai, Osaka 599-8531, Japan
| | - Hideshi Ihara
- Department of Biological Science, Graduate School of Science, Osaka Prefecture University, 1-1 Gakuen-cho, Sakai, Osaka 599-8531, Japan
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Gui DD, Luo W, Yan BJ, Ren Z, Tang ZH, Liu LS, Zhang JF, Jiang ZS. Effects of gut microbiota on atherosclerosis through hydrogen sulfide. Eur J Pharmacol 2021; 896:173916. [PMID: 33529724 DOI: 10.1016/j.ejphar.2021.173916] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 01/14/2021] [Accepted: 01/26/2021] [Indexed: 12/23/2022]
Abstract
Cardiovascular diseases are the leading cause of death and morbidity worldwide. Atherosclerotic cardiovascular disease (ASCVD) is affected by both environmental and genetic factors. Microenvironmental disorders of the human gut flora are associated with a variety of health problems, not only gastrointestinal diseases, such as inflammatory bowel disease, but also extralintestinal organs. Hydrogen sulfide (H2S) is the third gas signaling molecule other than nitric oxide and carbon monoxide. In the cardiovascular system, H2S plays important roles in the regulation of blood pressure, angiogenesis, smooth muscle cell proliferation and apoptosis, anti-oxidative stress, cardiac functions. This review is aiming to explore the potential role of gut microbiota in the development of atherosclerosis through hydrogen sulfide production as a novel therapeutic direction for atherosclerosis.
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Affiliation(s)
- Dan-Dan Gui
- Institute of Cardiovascular Disease, Key Lab for Arteriosclerology of Hunan Province, University of South China, Hengyang, 421001, China
| | - Wen Luo
- Institute of Cardiovascular Disease, Key Lab for Arteriosclerology of Hunan Province, University of South China, Hengyang, 421001, China
| | - Bin-Jie Yan
- Institute of Cardiovascular Disease, Key Lab for Arteriosclerology of Hunan Province, University of South China, Hengyang, 421001, China
| | - Zhong Ren
- Institute of Cardiovascular Disease, Key Lab for Arteriosclerology of Hunan Province, University of South China, Hengyang, 421001, China
| | - Zhi-Han Tang
- Institute of Cardiovascular Disease, Key Lab for Arteriosclerology of Hunan Province, University of South China, Hengyang, 421001, China
| | - Lu-Shan Liu
- Institute of Cardiovascular Disease, Key Lab for Arteriosclerology of Hunan Province, University of South China, Hengyang, 421001, China
| | - Ji-Feng Zhang
- Cardiovascular Center, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Zhi-Sheng Jiang
- Institute of Cardiovascular Disease, Key Lab for Arteriosclerology of Hunan Province, University of South China, Hengyang, 421001, China.
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Kasamatsu S. Persulfide-Dependent Regulation of Electrophilic Redox Signaling in Neural Cells. Antioxid Redox Signal 2020; 33:1320-1331. [PMID: 32536194 DOI: 10.1089/ars.2020.8130] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Significance: Redox homeostasis is precisely modulated by intricate systems that regulate production, elimination, and metabolism of electrophilic substances (electrophiles) in the nervous system. Since the first report of the endogenous production of reactive persulfide species in cells, such as cysteine persulfides (CysSSH), these reactive species have been a topic of extreme interest in the field of redox biology; persulfides/polysulfides possess unique chemical properties and are involved in multiple cellular functions. Recent Advances: Electrophilic signaling is mainly regulated by endogenous electrophiles that are generated from reactive oxygen species, nitric oxide, and their derivatives during stress responses, as well as by exogenous electrophiles, including compounds in foods and environmental pollutants, such as methylmercury (MeHg). Among diverse electrophiles that are endogenously generated, 8-nitroguanosine 3',5'-cyclic monophosphate (8-nitro-cGMP) possesses unique redox properties, of which the biosynthetic pathway, signaling mechanism, and metabolism in cells have been elucidated. Critical Issues: Persulfides, such as CysSSH, that are endogenously produced are critically involved in 8-nitro-cGMP metabolism. Exposure of neurons to the exogenous neurotoxicant, MeHg, causes severe neurodegeneration via disruption of persulfide-dependent 8-nitro-cGMP metabolism. Future Directions: Accumulating evidence indicates that persulfides are involved in various cellular functions under physiological and pathological conditions. These new aspects of redox biology related to persulfides may be frontiers of cell research, medical and clinical investigations of neurodegenerative diseases, as well as other fields. 8-Nitro-cGMP-mediated signaling and its persulfide-dependent metabolism in cells could, therefore, be potential targets for drug development, which may lead to the discovery of new therapeutic agents for many diseases, including neurodegenerative diseases.
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Affiliation(s)
- Shingo Kasamatsu
- Department of Biological Science, Graduate School of Science, Osaka Prefecture University, Osaka, Japan
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Something smells bad to plant pathogens: Production of hydrogen sulfide in plants and its role in plant defence responses. J Adv Res 2020; 27:199-209. [PMID: 33318878 PMCID: PMC7728587 DOI: 10.1016/j.jare.2020.09.005] [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] [Received: 05/24/2020] [Revised: 09/11/2020] [Accepted: 09/12/2020] [Indexed: 12/18/2022] Open
Abstract
Background Sulfur and diverse sulfur-containing compounds constitute important components of plant defences against a wide array of microbial pathogens. Among them, hydrogen sulfide (H2S) occupies a prominent position as a gaseous signalling molecule that plays multiple roles in regulation of plant growth, development and plant responses to stress conditions. Although the production of H2S in plant cells has been discovered several decades ago, the underlying pathways of H2S biosynthesis, metabolism and signalling were only recently uncovered. Aim of the review Here we review the current knowledge on the biosynthesis of H2S in plant cells, with special attention to L-cysteine desulfhydrase (DES) as the key enzyme controlling H2S levels biosynthesis in the cytosol of plant cells during plant growth, development and diverse abiotic and biotic stress conditions. Key Scientific Concepts of Review Recent advances have revealed molecular mechanisms of DES properties, functions and regulation involved in modulations of H2S production during plant responses to abiotic and biotic stress stimuli. Studies on des mutants of the model plant Arabidopsis thaliana uncovered molecular mechanisms of H2S action as a signalling and defence molecule in plant-pathogen interactions. Signalling pathways of H2S include S-persulfidation of protein cysteines, a redox-based post-translational modification leading to activation of downstream components of H2S signalling. Accumulated evidence shows DES and H2S implementation into salicylic acid signalling and activation of pathogenesis-related proteins and autophagy within plant immunity. Obtained knowledge on molecular mechanisms of H2S action in plant defence responses opens new prospects in the search for crop varieties with increased resistance to bacterial and fungal pathogens.
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Abstract
Significance: Oxidative stress in moderation positively affects homeostasis through signaling, while in excess it is associated with adverse health outcomes. Both activities are generally attributed to reactive oxygen species (ROS); hydrogen peroxide as the signal, and cysteines on regulatory proteins as the target. However, using antioxidants to affect signaling or benefit health has not consistently translated into expected outcomes, or when it does, the mechanism is often unclear. Recent Advances: Reactive sulfur species (RSS) were integral in the origin of life and throughout much of evolution. Sophisticated metabolic pathways that evolved to regulate RSS were easily "tweaked" to deal with ROS due to the remarkable similarities between the two. However, unlike ROS, RSS are stored, recycled, and chemically more versatile. Despite these observations, the relevance and regulatory functions of RSS in extant organisms are generally underappreciated. Critical Issues: A number of factors bias observations in favor of ROS over RSS. Research conducted in room air is hyperoxic to cells, and promotes ROS production and RSS oxidation. Metabolic rates of rodent models greatly exceed those of humans; does this favor ROS? Analytical methods designed to detect ROS also respond to RSS. Do these disguise the contributions of RSS? Future Directions: Resolving the ROS/RSS issue is vital to understand biology in general and human health in particular. Improvements in experimental design and analytical methods are crucial. Perhaps the most important is an appreciation of all the attributes of RSS and keeping an open mind.
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Affiliation(s)
- Kenneth R Olson
- Department of Physiology, Indiana University School of Medicine-South Bend, South Bend, Indiana, USA
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Sun HJ, Xiong SP, Cao X, Cao L, Zhu MY, Wu ZY, Bian JS. Polysulfide-mediated sulfhydration of SIRT1 prevents diabetic nephropathy by suppressing phosphorylation and acetylation of p65 NF-κB and STAT3. Redox Biol 2020; 38:101813. [PMID: 33279869 PMCID: PMC7718489 DOI: 10.1016/j.redox.2020.101813] [Citation(s) in RCA: 100] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 11/10/2020] [Accepted: 11/21/2020] [Indexed: 12/12/2022] Open
Abstract
Diabetic kidney disease is known as a major cause of chronic kidney disease and end stage renal disease. Polysulfides, a class of chemical agents with a chain of sulfur atoms, are found to confer renal protective effects in acute kidney injury. However, whether a polysulfide donor, sodium tetrasulfide (Na2S4), confers protective effects against diabetic nephropathy remains unclear. Our results showed that Na2S4 treatment ameliorated renal dysfunctional and histological damage in diabetic kidneys through inhibiting the overproduction of inflammation cytokine and reactive oxygen species (ROS), as well as attenuating renal fibrosis and renal cell apoptosis. Additionally, the upregulated phosphorylation and acetylation levels of p65 nuclear factor κB (p65 NF-κB) and signal transducer and activator of transcription 3 (STAT3) in diabetic nephropathy were abrogated by Na2S4 in a sirtuin-1 (SIRT1)-dependent manner. In renal tubular epithelial cells, Na2S4 directly sulfhydrated SIRT1 at two conserved CXXC domains (Cys371/374; Cys395/398), then induced dephosphorylation and deacetylation of its targeted proteins including p65 NF-κB and STAT3, thereby reducing high glucose (HG)-caused oxidative stress, cell apoptosis, inflammation response and epithelial-to-mesenchymal transition (EMT) progression. Most importantly, inactivation of SIRT1 by a specific inhibitor EX-527, small interfering RNA (siRNA), a de-sulfhydration reagent dithiothreitol (DTT), or mutation of Cys371/374 and Cys395/398 sites at SIRT1 abolished the protective effects of Na2S4 on diabetic kidney insulting. These results reveal that polysulfides may attenuate diabetic renal lesions via inactivation of p65 NF-κB and STAT3 phosphorylation/acetylation through sulfhydrating SIRT1.
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Affiliation(s)
- Hai-Jian Sun
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, 117600, Singapore
| | - Si-Ping Xiong
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, 117600, Singapore
| | - Xu Cao
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, 117600, Singapore
| | - Lei Cao
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, 117600, Singapore
| | - Meng-Yuan Zhu
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, 117600, Singapore
| | - Zhi-Yuan Wu
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, 117600, Singapore
| | - Jin-Song Bian
- Department of Pharmacology, School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong, 518055, China; Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, 117600, Singapore; National University of Singapore (Suzhou) Research Institute, Suzhou, Jiangsu, 215000, China.
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A fluorescent probe for discrimination of cysteine/homocysteine, glutathione and hydrogen polysulfides. RESEARCH ON CHEMICAL INTERMEDIATES 2020. [DOI: 10.1007/s11164-020-04320-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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Pedre B, Dick TP. 3-Mercaptopyruvate sulfurtransferase: an enzyme at the crossroads of sulfane sulfur trafficking. Biol Chem 2020; 402:223-237. [PMID: 33055309 DOI: 10.1515/hsz-2020-0249] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Accepted: 10/05/2020] [Indexed: 12/12/2022]
Abstract
3-Mercaptopyruvate sulfurtransferase (MPST) catalyzes the desulfuration of 3-mercaptopyruvate to generate an enzyme-bound hydropersulfide. Subsequently, MPST transfers the persulfide's outer sulfur atom to proteins or small molecule acceptors. MPST activity is known to be involved in hydrogen sulfide generation, tRNA thiolation, protein urmylation and cyanide detoxification. Tissue-specific changes in MPST expression correlate with ageing and the development of metabolic disease. Deletion and overexpression experiments suggest that MPST contributes to oxidative stress resistance, mitochondrial respiratory function and the regulation of fatty acid metabolism. However, the role and regulation of MPST in the larger physiological context remain to be understood.
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Affiliation(s)
- Brandán Pedre
- Division of Redox Regulation, DKFZ-ZMBH Alliance, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, D-69120Heidelberg, Germany
| | - Tobias P Dick
- Division of Redox Regulation, DKFZ-ZMBH Alliance, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, D-69120Heidelberg, Germany
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Zhang X, Zhang L, Gao M, Wang Y, Chen L. A near-infrared fluorescent probe for observing thionitrous acid-mediated hydrogen polysulfides formation and fluctuation in cells and in vivo under hypoxia stress. JOURNAL OF HAZARDOUS MATERIALS 2020; 396:122673. [PMID: 32361129 DOI: 10.1016/j.jhazmat.2020.122673] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Revised: 04/05/2020] [Accepted: 04/06/2020] [Indexed: 06/11/2023]
Abstract
Hydrogen polysulfides (H2Sn, n>1) as important intracellular reactive sulfur species (RSS) are believe to be responsible for cellular redox regulation. Lots of researches about H2Sn focusing on their formation, detection and bio-function in signalling regulation are spring up but with poor understanding, especially for biosynthesis and bio-function remain complicated and confusing. Recent studies reveal that thionitrous acid (HSNO) as potential intermediate linked signalling molecules of nitrogenous and sulphureous during biotic redox regulation. However, there are limited evidences for supporting the interrelation and bioeffect between HSNO and H2Sn. Herein, we have successfully designed a near-infrared (NIR) fluorescent probe ((2-fluoro-5-nitrobenzoyl)oxy)-Benzo[e]cyanine (BCy-FN) for detection H2Sn and for the first time observing HSNO-mediated H2Sn generation in cells and in vivo. The probe is harvested from fluorophore BCy-Keto and 2-fluoro-5-nitrobenzoic acid in one step, featuring mitochondria localization. The unique Enol-Keto tautomerization of fluorophore enables the probe becomes more sensitive and has powerful application. Hypoxia model has been constructed and powerfully interpreted the pretreatment of HSNO for zebrafish hypoxia process effectively improves H2Sn levels and defends the hypoxia induced brain damage. We believe the present studies will help environmentalist and biologist for better understanding of biosynthesis and bio-function in HSNO-mediated H2Sn formation process under hypoxia stress.
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Affiliation(s)
- Xia Zhang
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Research Centre for Coastal Environmental Engineering and Technology, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Liangwei Zhang
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Research Centre for Coastal Environmental Engineering and Technology, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
| | - Min Gao
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Research Centre for Coastal Environmental Engineering and Technology, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yunqing Wang
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Research Centre for Coastal Environmental Engineering and Technology, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
| | - Lingxin Chen
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Research Centre for Coastal Environmental Engineering and Technology, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China; Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology, Qingdao 266237, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China.
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Shinkai Y, Kumagai Y. Sulfane Sulfur in Toxicology: A Novel Defense System Against Electrophilic Stress. Toxicol Sci 2020; 170:3-9. [PMID: 30985901 DOI: 10.1093/toxsci/kfz091] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Electrophiles can undergo covalent modification of cellular proteins associated with its dysfunction, thereby exerting toxicity. Small nucleophilic molecules such as glutathione protect cells from electrophilic insult by binding covalently to electrophiles to form adducts that are excreted into the extracellular space. Recent studies indicate that sulfane sulfur, which is defined as a sulfur atom with 6 valence electrons and no charge, plays an essential role in protection against electrophile toxicity because sulfane sulfur can be highly nucleophilic compared to the corresponding thiol group. Advances in the development of assays to detect sulfane sulfur have revealed that sulfane sulfur-containing molecules such as persulfide/polysulfide species are ubiquitous in cells and tissues. Also, there is growing evidence that the binding of sulfane sulfur to electrophiles forms sulfur adducts as detoxified metabolites. Although the biosynthesis pathways of sulfane sulfur are known, its regulatory function in toxicology is still unclear. This review outlines the current knowledge of the synthesis, chemical properties, detection methods, interactions with electrophiles, and toxicological significance of sulfane sulfur, as well as suggesting directions for future research.
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Affiliation(s)
- Yasuhiro Shinkai
- Environmental Biology Laboratory, Faculty of Medicine, University of Tsukuba, Tsukuba 305-8575, Ibaraki, Japan
| | - Yoshito Kumagai
- Environmental Biology Laboratory, Faculty of Medicine, University of Tsukuba, Tsukuba 305-8575, Ibaraki, Japan
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