1
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Smartphone-controlled biosensor for viral respiratory infectious diseases: Screening and response. Talanta 2023; 254:124167. [PMID: 36493567 PMCID: PMC9721129 DOI: 10.1016/j.talanta.2022.124167] [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: 09/04/2022] [Revised: 11/03/2022] [Accepted: 12/01/2022] [Indexed: 12/12/2022]
Abstract
Outbreaks of emerging viral respiratory infectious diseases (VRIDs) including coronavirus disease 2019 (COVID-19) seriously endanger people's health. However, the traditional nucleic acid detection required professionals and larger instruments and antigen-antibody detection suffered a long window period of target generation. To facilitate the VRIDs detection in time for common populations, a smartphone-controlled biosensor, which integrated sample preparation (electromembrane extraction), biomarker detection (red-green-blue model) and remote response technology (a built-in APP), was developed in this work. With the intelligent biosensor, VRIDs could be recognized in the early stage by using endogenous hydrogen sulfide as the biomarker. Importantly, it only took 15 min to accomplish the whole process of screening and response to VRIDs. Moreover, the experimental data showed that this smartphone-controlled biosensor was suitable for ordinary residents and could successfully differentiate non-communicable respiratory diseases from VRIDs. To the best of our knowledge, this is the first time that a smartphone-controlled biosensor for screening and response to VRIDs was reported. We believe that the present biosensor will help ordinary residents jointly deal with the challenges brought by COVID-19 or other VRIDs in the future.
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2
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Zhang G, Yang Z, Zhou Y, Zhu DZ, Zhang Y, Yu T, Shypanski A. Combination of nitrate and sodium nitroprusside dosing for sulfide control with low carbon source loss in sewer biofilm reactors. JOURNAL OF HAZARDOUS MATERIALS 2022; 424:127527. [PMID: 34879520 DOI: 10.1016/j.jhazmat.2021.127527] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 09/22/2021] [Accepted: 10/14/2021] [Indexed: 06/13/2023]
Abstract
Nitrate has been widely used in sewer systems for sulfide control. However, significant chemical consumption and the loss of carbon source were observed in previous studies. To find a feasible and cost-effective control strategy of the sulfide control, the effect of nitrate combined with sodium nitroprusside (SNP) dosage strategy was tested in lab-scale sewer biofilm reactors. Results showed that nitrate and SNP were strongly synergistic, with 30 mg N/L nitrate and 20 mg/L SNP being sufficient for sulfide control in this study. While large amount of nitrate alone (100 mg N/L) is required to achieve the same sulfide control effectiveness. Meanwhile, the nitrate combined with SNP could reduce the organic carbon source loss by 80%. Additionally, the high-throughput sequencing results showed that the relative abundance of autotrophic, nitrate reducing-sulfide oxidizing bacteria genera (a-NR-SOB) such as Arcobacter and Sulfurimonas was increased by around 18%, while the heterotrophic, nitrate-reducing bacteria (hNRB) such as Thauera was substantially reduced. It demonstrated that the sulfide control was mainly due to the a-NR-SOB activity under the nitrate and SNP dosing strategy. The microbial functional prediction further revealed that nitrate and SNP promoted the dissimilatory nitrate reduction process which utilizes sulfide as an effective electron donor. Moreover, economic assessment indicated that using the combination of nitrate and SNP for sulfide control in sewers would lower the chemical costs by approximately 35% compared with only nitrate addition.
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Affiliation(s)
- Guijiao Zhang
- College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058, China; Department of Civil and Environmental Engineering, University of Alberta, Edmonton, AB T6G 2W2, Canada
| | - Zhi Yang
- Department of Civil and Environmental Engineering, University of Alberta, Edmonton, AB T6G 2W2, Canada
| | - Yongchao Zhou
- College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058, China.
| | - David Z Zhu
- Department of Civil and Environmental Engineering, University of Alberta, Edmonton, AB T6G 2W2, Canada
| | - Yiping Zhang
- College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058, China
| | - Tong Yu
- Department of Civil and Environmental Engineering, University of Alberta, Edmonton, AB T6G 2W2, Canada
| | - Adam Shypanski
- Drainage Planning, EPCOR Drainage Services, Edmonton, AB T5J 3A3, Canada
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3
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Muniz Carvalho E, Silva Sousa EH, Bernardes‐Génisson V, Gonzaga de França Lopes L. When NO
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Is not Enough: Chemical Systems, Advances and Challenges in the Development of NO
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and HNO Donors for Old and Current Medical Issues. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100527] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Edinilton Muniz Carvalho
- Bioinorganic Group Department of Organic and Inorganic Chemistry Center of Sciences Federal University of Ceará Pici Campus Fortaleza 60455-760 Brazil
- CNRS Laboratoire de Chimie de Coordination LCC UPR 8241 205 Route de Narbonne, 44099 31077 Toulouse, Cedex 4 France
- Université de Toulouse Université Paul Sabatier UPS 118 Route de Narbonne 31062 Toulouse, Cedex 9 France
| | - Eduardo Henrique Silva Sousa
- Bioinorganic Group Department of Organic and Inorganic Chemistry Center of Sciences Federal University of Ceará Pici Campus Fortaleza 60455-760 Brazil
| | - Vania Bernardes‐Génisson
- CNRS Laboratoire de Chimie de Coordination LCC UPR 8241 205 Route de Narbonne, 44099 31077 Toulouse, Cedex 4 France
- Université de Toulouse Université Paul Sabatier UPS 118 Route de Narbonne 31062 Toulouse, Cedex 9 France
| | - Luiz Gonzaga de França Lopes
- Bioinorganic Group Department of Organic and Inorganic Chemistry Center of Sciences Federal University of Ceará Pici Campus Fortaleza 60455-760 Brazil
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4
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Pal N, White CJ, Demeshko S, Meyer F, Lehnert N, Majumdar A. A Monohydrosulfidodinitrosyldiiron Complex That Generates N 2O as a Model for Flavodiiron Nitric Oxide Reductases: Reaction Mechanism and Electronic Structure. Inorg Chem 2021; 60:15890-15900. [PMID: 34106714 DOI: 10.1021/acs.inorgchem.1c00429] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Flavodiiron nitric oxide reductases (FNORs) protect microbes from nitrosative stress under anaerobic conditions by mediating the reduction of nitric oxide (NO) to nitrous oxide (N2O). The proposed mechanism for the catalytic reduction of NO by FNORs involves a dinitrosyldiiron intermediate with a [hs-{FeNO}7]2 formulation, which produces N2O and a diferric species. Moreover, both NO and hydrogen sulfide (H2S) have been implicated in several similar physiological functions in biology and are also known to cross paths in cell signaling. Here we report the synthesis, spectroscopic and theoretical characterization, and N2O production activity of an unprecedented monohydrosulfidodinitrosyldiiron compound, with a [(HS)hs-{FeNO}7/hs-{FeNO}7] formulation, that models the key dinitrosyl intermediate of FNORs. The generation of N2O from this unique compound follows a semireduced pathway, where one-electron reduction generates a reactive hs-{FeNO}8 center via the occupation of an Fe-NO antibonding orbital. In contrast to the well-known reactivity of H2S and NO, the coordinated hydrosulfide remains unreactive toward NO and acts only as a spectator ligand during the NO reduction process.
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Affiliation(s)
- Nabhendu Pal
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Kolkata 700032, West Bengal, India
| | - Corey J White
- Department of Chemistry, The University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Serhiy Demeshko
- Institut für Anorganische Chemie, Universität Göttingen, Tammannstraße 4, Göttingen 37077, Germany
| | - Franc Meyer
- Institut für Anorganische Chemie, Universität Göttingen, Tammannstraße 4, Göttingen 37077, Germany
| | - Nicolai Lehnert
- Department of Chemistry, The University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Amit Majumdar
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Kolkata 700032, West Bengal, India
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5
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Khongrangdee T, Somboot W, Jakmunee J, Kanyanee T. Colorimetric Determination of Sulfide in Turbid Water with a Cost-effective Flow-batch Porous Membrane-based Diffusion Scrubber System. ANAL SCI 2020; 36:1353-1358. [PMID: 32624522 DOI: 10.2116/analsci.20p158] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
A cost-effective flow-batch analysis approach with colorimetric measurement has been developed for sulfide ion determination in turbid water samples without using a conventional pump and valve. Under an acidic condition, sulfide ion was converted to hydrogen sulfide gas and liberated out from other complicated matrices. The porous membrane-based diffusion scrubber was utilized as a gas trapping unit for hydrogen sulfide gas separation/preconcentration. From the correlation of sulfide ion concentration and disappearance of sodium nitroprusside reagent detection by using a homemade LED-photodiode based colorimetry, a linear relationship of sulfide ion concentration and absorbance can be obtained with relative standard deviation (%RSD) less than 5%. The limit of detection was 5.6 μmol L-1. The proposed system was applied for sulfide ion determination in wastewater samples with the recoveries of 91.0 - 105.2%. The proposed system is a robust setup and able to handle turbid water samples without a sample filtering step.
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Affiliation(s)
- Thatsanee Khongrangdee
- Department of Chemistry, Faculty of Science, Chiang Mai University.,The Graduate School, Chiang Mai University
| | - Wasin Somboot
- Department of Chemistry, Faculty of Science, Chiang Mai University.,The Graduate School, Chiang Mai University
| | - Jaroon Jakmunee
- Department of Chemistry, Faculty of Science, Chiang Mai University.,Center of Excellence for Innovation in Chemistry, Chiang Mai University.,Research Center on Chemistry for Development of Health Promoting Products from Northern Resources, Chiang Mai University
| | - Tinakorn Kanyanee
- Department of Chemistry, Faculty of Science, Chiang Mai University.,Center of Excellence for Innovation in Chemistry, Chiang Mai University.,Research Center on Chemistry for Development of Health Promoting Products from Northern Resources, Chiang Mai University
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6
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Marcolongo JP, Venâncio MF, Rocha WR, Doctorovich F, Olabe JA. NO/H2S “Crosstalk” Reactions. The Role of Thionitrites (SNO–) and Perthionitrites (SSNO–). Inorg Chem 2019; 58:14981-14997. [DOI: 10.1021/acs.inorgchem.9b01978] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Juan P. Marcolongo
- Departamento de Química Inorgánica, Analítica y Química Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires (INQUIMAE−UBA−CONICET), Pabellón 2, 3er piso, Ciudad Universitaria, C1428EHA Ciudad Autónoma de Buenos Aires, Argentina
| | - Mateus F. Venâncio
- Laboratório de Estudos Computacionais em Sistemas Moleculares, Departamento de Química, ICEx, Universidade Federal de Minas Gerais, 31270-901 Belo Horizonte, Minas Gerais, Brazil
| | - Willian R. Rocha
- Laboratório de Estudos Computacionais em Sistemas Moleculares, Departamento de Química, ICEx, Universidade Federal de Minas Gerais, 31270-901 Belo Horizonte, Minas Gerais, Brazil
| | - Fabio Doctorovich
- Departamento de Química Inorgánica, Analítica y Química Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires (INQUIMAE−UBA−CONICET), Pabellón 2, 3er piso, Ciudad Universitaria, C1428EHA Ciudad Autónoma de Buenos Aires, Argentina
| | - José A. Olabe
- Departamento de Química Inorgánica, Analítica y Química Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires (INQUIMAE−UBA−CONICET), Pabellón 2, 3er piso, Ciudad Universitaria, C1428EHA Ciudad Autónoma de Buenos Aires, Argentina
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7
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Jordan AJ, Walde RK, Schultz KM, Bacsa J, Sadighi JP. Nitrosonium Reactivity of (NHC)Copper(I) Sulfide Complexes. Inorg Chem 2019; 58:9592-9596. [DOI: 10.1021/acs.inorgchem.9b01676] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Abraham J. Jordan
- School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia 30332-0400, United States
| | - Rebecca K. Walde
- School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia 30332-0400, United States
| | - Kelly M. Schultz
- Murdock Hall, Department of Chemistry, Linfield College, McMinnville, Oregon 97128, United States
| | - John Bacsa
- School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia 30332-0400, United States
- X-ray Crystallography Center, Department of Chemistry, Emory University, 1515 Dickey Drive, Atlanta, Georgia 30322, United States
| | - Joseph P. Sadighi
- School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia 30332-0400, United States
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8
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Abstract
Interactions between small inorganic molecules are fundamental to the understanding of basic reaction mechanisms and some of the initial processes of chemical evolution that preceded organic molecules and led to the origin of life. The kinetics of these processes are suitable for the fast generation of a variety of new chemical entities and the propagation of a cascade of chemical reactions, a property that is ideal for signaling purposes even in biological systems. NO and H2S are such molecules that are nowadays recognized as biological gasotransmitters involved in the regulation of physiological functions through protein modifications such as S-nitrosothiol, disulfide, and persulfide formations. In this Viewpoint, we review the current understanding of interactions of NO (and organic and metal nitrosyl species) with H2S, in both chemical and biochemical contexts. Through the formation of HNO, (H)SNO (and its isomers), (H)SSNO, and polysulfides, these two gasotransmitters initiate reaction networks with significant roles in cell signaling. The chemical reactivities and biological effects of these nitrogen and sulfur species are still unresolved, and, thus, a cross-talk between all of them represents a challenging interdisciplinary field that awaits exciting new findings. We tackle some of the intriguing and open questions and provide perspectives for future research directions.
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Affiliation(s)
- Ivana Ivanovic-Burmazovic
- Department of Chemistry and Pharmacy , Friedrich-Alexander University (FAU) Erlangen-Nuremberg , 91054 Erlangen , Germany
| | - Milos R Filipovic
- Université de Bordeaux, IBGC, UMR 5095 , F-33077 Bordeaux , France.,CNRS, IBGC, UMR 5095 , F-33077 Bordeaux , France
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9
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Roveda AC, Santos WG, Souza ML, Adelson CN, Gonçalves FS, Castellano EE, Garino C, Franco DW, Cardoso DR. Light-activated generation of nitric oxide (NO) and sulfite anion radicals (SO3˙−) from a ruthenium(ii) nitrosylsulphito complex. Dalton Trans 2019; 48:10812-10823. [DOI: 10.1039/c9dt01432b] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
This manuscript describes the preparation of a new Ru(ii) nitrosylsulphito complex,trans-[Ru(NH3)4(isn)(N(O)SO3)]+(complex1), its spectroscopic and structural characterization, photochemistry, and thermal reactivity.
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Affiliation(s)
- Antonio C. Roveda
- São Carlos Institute of Chemistry
- University of São Paulo
- São Carlos
- Brazil
| | - Willy G. Santos
- São Carlos Institute of Chemistry
- University of São Paulo
- São Carlos
- Brazil
| | - Maykon L. Souza
- São Carlos Institute of Chemistry
- University of São Paulo
- São Carlos
- Brazil
| | | | | | | | - Claudio Garino
- Dept. of Chemistry and NIS Interdepartmental Centre
- University of Turin
- Italy
| | - Douglas W. Franco
- São Carlos Institute of Chemistry
- University of São Paulo
- São Carlos
- Brazil
| | - Daniel R. Cardoso
- São Carlos Institute of Chemistry
- University of São Paulo
- São Carlos
- Brazil
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10
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Hydrogen Sulfide Biochemistry and Interplay with Other Gaseous Mediators in Mammalian Physiology. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2018; 2018:6290931. [PMID: 30050658 PMCID: PMC6040266 DOI: 10.1155/2018/6290931] [Citation(s) in RCA: 83] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Accepted: 03/13/2018] [Indexed: 01/06/2023]
Abstract
Hydrogen sulfide (H2S) has emerged as a relevant signaling molecule in physiology, taking its seat as a bona fide gasotransmitter akin to nitric oxide (NO) and carbon monoxide (CO). After being merely regarded as a toxic poisonous molecule, it is now recognized that mammalian cells are equipped with sophisticated enzymatic systems for H2S production and breakdown. The signaling role of H2S is mainly related to its ability to modify different protein targets, particularly by promoting persulfidation of protein cysteine residues and by interacting with metal centers, mostly hemes. H2S has been shown to regulate a myriad of cellular processes with multiple physiological consequences. As such, dysfunctional H2S metabolism is increasingly implicated in different pathologies, from cardiovascular and neurodegenerative diseases to cancer. As a highly diffusible reactive species, the intra- and extracellular levels of H2S have to be kept under tight control and, accordingly, regulation of H2S metabolism occurs at different levels. Interestingly, even though H2S, NO, and CO have similar modes of action and parallel regulatory targets or precisely because of that, there is increasing evidence of a crosstalk between the three gasotransmitters. Herein are reviewed the biochemistry, metabolism, and signaling function of hydrogen sulfide, as well as its interplay with the other gasotransmitters, NO and CO.
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11
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Fida TT, Voordouw J, Ataeian M, Kleiner M, Okpala G, Mand J, Voordouw G. Synergy of Sodium Nitroprusside and Nitrate in Inhibiting the Activity of Sulfate Reducing Bacteria in Oil-Containing Bioreactors. Front Microbiol 2018; 9:981. [PMID: 29867883 PMCID: PMC5965020 DOI: 10.3389/fmicb.2018.00981] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Accepted: 04/26/2018] [Indexed: 11/13/2022] Open
Abstract
Sodium nitroprusside (SNP) disrupts microbial biofilms through the release of nitric oxide (NO). The actions of SNP on bacteria have been mostly limited to the genera Pseudomonas, Clostridium, and Bacillus. There are no reports of its biocidal action on sulfate-reducing bacteria (SRB), which couple the reduction of sulfate to sulfide with the oxidation of organic electron donors. Here, we report the inhibition and kill of SRB by low SNP concentrations [0.05 mM (15 ppm)] depending on biomass concentration. Chemical reaction of SNP with sulfide did not compromise its efficacy. SNP was more effective than five biocides commonly used to control SRB. Souring, the SRB activity in oil reservoirs, is often controlled by injection of nitrate. Control of SRB-mediated souring in oil-containing bioreactors was inhibited by 4 mM (340 ppm) of sodium nitrate, but required only 0.05 mM (15 ppm) of SNP. Interestingly, nitrate and SNP were found to be highly synergistic with 0.003 mM (1 ppm) of SNP and 1 mM (85 ppm) of sodium nitrate being sufficient in inhibiting souring. Hence, using SNP as an additive may greatly increase the efficacy of nitrate injection in oil reservoirs.
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Affiliation(s)
- Tekle T Fida
- Petroleum Microbiology Research Group, Department of Biological Sciences, University of Calgary, Calgary, AB, Canada
| | - Johanna Voordouw
- Petroleum Microbiology Research Group, Department of Biological Sciences, University of Calgary, Calgary, AB, Canada
| | - Maryam Ataeian
- Department of Geosciences, University of Calgary, Calgary, AB, Canada
| | - Manuel Kleiner
- Department of Plant and Microbial Biology, North Carolina State University, Raleigh, NC, United States
| | - Gloria Okpala
- Petroleum Microbiology Research Group, Department of Biological Sciences, University of Calgary, Calgary, AB, Canada
| | - Jaspreet Mand
- Petroleum Microbiology Research Group, Department of Biological Sciences, University of Calgary, Calgary, AB, Canada
| | - Gerrit Voordouw
- Petroleum Microbiology Research Group, Department of Biological Sciences, University of Calgary, Calgary, AB, Canada
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12
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Filipovic MR, Zivanovic J, Alvarez B, Banerjee R. Chemical Biology of H 2S Signaling through Persulfidation. Chem Rev 2018; 118:1253-1337. [PMID: 29112440 PMCID: PMC6029264 DOI: 10.1021/acs.chemrev.7b00205] [Citation(s) in RCA: 583] [Impact Index Per Article: 97.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Signaling by H2S is proposed to occur via persulfidation, a posttranslational modification of cysteine residues (RSH) to persulfides (RSSH). Persulfidation provides a framework for understanding the physiological and pharmacological effects of H2S. Due to the inherent instability of persulfides, their chemistry is understudied. In this review, we discuss the biologically relevant chemistry of H2S and the enzymatic routes for its production and oxidation. We cover the chemical biology of persulfides and the chemical probes for detecting them. We conclude by discussing the roles ascribed to protein persulfidation in cell signaling pathways.
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Affiliation(s)
- Milos R. Filipovic
- Univeristy of Bordeaux, IBGC, UMR 5095, F-33077 Bordeaux, France
- CNRS, IBGC, UMR 5095, F-33077 Bordeaux, France
| | - Jasmina Zivanovic
- Univeristy of Bordeaux, IBGC, UMR 5095, F-33077 Bordeaux, France
- CNRS, IBGC, UMR 5095, F-33077 Bordeaux, France
| | - Beatriz Alvarez
- Laboratorio de Enzimología, Facultad de Ciencias and Center for Free Radical and Biomedical Research, Universidad de la Republica, 11400 Montevideo, Uruguay
| | - Ruma Banerjee
- Department of Biological Chemistry, University of Michigan Medical School, Ann Arbor, Michigan 48109-0600, United States
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13
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Inorganic Reactive Sulfur-Nitrogen Species: Intricate Release Mechanisms or Cacophony in Yellow, Blue and Red? Antioxidants (Basel) 2017; 6:antiox6010014. [PMID: 28212297 PMCID: PMC5384177 DOI: 10.3390/antiox6010014] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2016] [Revised: 01/22/2017] [Accepted: 02/10/2017] [Indexed: 01/01/2023] Open
Abstract
Since the heydays of Reactive Sulfur Species (RSS) research during the first decade of the Millennium, numerous sulfur species involved in cellular regulation and signalling have been discovered. Yet despite the general predominance of organic species in organisms, recent years have also seen the emergence of inorganic reactive sulfur species, ranging from inorganic polysulfides (HSx-/Sx2-) to thionitrous acid (HSNO) and nitrosopersulfide (SSNO-). These inorganic species engage in a complex interplay of reactions in vitro and possibly also in vivo. Employing a combination of spectrophotometry and sulfide assays, we have investigated the role of polysulfanes from garlic during the release of nitric oxide (•NO) from S-nitrosoglutathione (GSNO) in the absence and presence of thiol reducing agents. Our studies reveal a distinct enhancement of GSNO decomposition by compounds such as diallyltrisulfane, which is most pronounced in the presence of cysteine and glutathione and presumably proceeds via the initial release of an inorganic mono- or polysulfides, i.e., hydrogen sulfide (H₂S) or HSx-, from the organic polysulfane. Albeit being of a preliminary nature, our spectrophotometric data also reveals a complicated underlying mechanism which appears to involve transient species such as SSNO-. Eventually, more in depth studies are required to further explore the underlying chemistry and wider biological and nutritional implications of this interplay between edible garlic compounds, reductive activation, inorganic polysulfides and their interplay with •NO storage and release.
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14
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GC-ECNICI-MS analysis of S-nitrosothiols and nitroprusside after treatment with aqueous sulphide (S2−) and derivatization with pentafluorobenzyl bromide: Evidence of S-transnitrosylation and formation of nitrite and nitrate. J Chromatogr B Analyt Technol Biomed Life Sci 2017; 1043:209-218. [DOI: 10.1016/j.jchromb.2016.09.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Revised: 08/24/2016] [Accepted: 09/01/2016] [Indexed: 01/31/2023]
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15
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Marcolongo JP, Zeida A, Slep LD, Olabe JA. Thionitrous Acid/Thionitrite and Perthionitrite Intermediates in the “Crosstalk” of NO and H 2 S. ADVANCES IN INORGANIC CHEMISTRY 2017. [DOI: 10.1016/bs.adioch.2017.02.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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16
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Marcolongo JP, Morzan UN, Zeida A, Scherlis DA, Olabe JA. Nitrosodisulfide [S 2NO] - (perthionitrite) is a true intermediate during the "cross-talk" of nitrosyl and sulfide. Phys Chem Chem Phys 2016; 18:30047-30052. [PMID: 27774554 DOI: 10.1039/c6cp06314d] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Nitrosodisulfide S2NO- is a controversial intermediate in the reactions of S-nitrosothiols with HS- that produce NO and HNO. QM-MM molecular dynamics simulations combined with TD-DFT analysis contribute to a clear identification of S2NO- in water, acetone and acetonitrile, accounting for the UV-Vis signatures and broadening the mechanistic picture of N/S signaling in biochemistry.
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Affiliation(s)
- Juan P Marcolongo
- Departamento de Química Inorgánica, Analítica y Química Física and INQUIMAE-CONICET, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pab. 2, C1428EHA Buenos Aires, Argentina.
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17
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Miao Z, King SB. Recent advances in the chemical biology of nitroxyl (HNO) detection and generation. Nitric Oxide 2016; 57:1-14. [PMID: 27108951 PMCID: PMC4910183 DOI: 10.1016/j.niox.2016.04.006] [Citation(s) in RCA: 58] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Accepted: 04/18/2016] [Indexed: 01/01/2023]
Abstract
Nitroxyl or azanone (HNO) represents the redox-related (one electron reduced and protonated) relative of the well-known biological signaling molecule nitric oxide (NO). Despite the close structural similarity to NO, defined biological roles and endogenous formation of HNO remain unclear due to the high reactivity of HNO with itself, soft nucleophiles and transition metals. While significant work has been accomplished in terms of the physiology, biology and chemistry of HNO, important and clarifying work regarding HNO detection and formation has occurred within the last 10 years. This review summarizes advances in the areas of HNO detection and donation and their application to normal and pathological biology. Such chemical biological tools allow a deeper understanding of biological HNO formation and the role that HNO plays in a variety of physiological systems.
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Affiliation(s)
- Zhengrui Miao
- Department of Chemistry, Wake Forest University, Winston-Salem, NC 27109, USA
| | - S Bruce King
- Department of Chemistry, Wake Forest University, Winston-Salem, NC 27109, USA.
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18
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Chatterjee D, Sarkar P, Oszajca M, van Eldik R. Formation of [RuIII(edta)(SNO)]2– in RuIII(edta)-Mediated S-Nitrosylation of Bisulfide Ion. Inorg Chem 2016; 55:5037-40. [DOI: 10.1021/acs.inorgchem.6b00615] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Debabrata Chatterjee
- Chemistry and Biomimetics
Group, CSIR-Central Mechanical Engineering Research Institute, M.G.
Avenue, Durgapur 713209, India
| | - Papiya Sarkar
- Chemistry and Biomimetics
Group, CSIR-Central Mechanical Engineering Research Institute, M.G.
Avenue, Durgapur 713209, India
| | - Maria Oszajca
- Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Krakow, Poland
| | - Rudi van Eldik
- Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Krakow, Poland
- Department of Chemistry and
Pharmacy, University of Erlangen-Nuremberg, Egerlandstr. 1, 91058 Erlangen, Germany
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19
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20
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21
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Interaction of Hydrogen Sulfide with Nitric Oxide in the Cardiovascular System. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2015; 2016:6904327. [PMID: 26640616 PMCID: PMC4657111 DOI: 10.1155/2016/6904327] [Citation(s) in RCA: 106] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/05/2015] [Accepted: 06/21/2015] [Indexed: 01/07/2023]
Abstract
Historically acknowledged as toxic gases, hydrogen sulfide (H2S) and nitric oxide (NO) are now recognized as the predominant members of a new family of signaling molecules, “gasotransmitters” in mammals. While H2S is biosynthesized by three constitutively expressed enzymes (CBS, CSE, and 3-MST) from L-cysteine and homocysteine, NO is generated endogenously from L-arginine by the action of various isoforms of NOS. Both gases have been transpired as the key and independent regulators of many physiological functions in mammalian cardiovascular, nervous, gastrointestinal, respiratory, and immune systems. The analogy between these two gasotransmitters is evident not only from their paracrine mode of signaling, but also from the identical and/or shared signaling transduction pathways. With the plethora of research in the pathophysiological role of gasotransmitters in various systems, the existence of interplay between these gases is being widely accepted. Chemical interaction between NO and H2S may generate nitroxyl (HNO), which plays a specific effective role within the cardiovascular system. In this review article, we have attempted to provide current understanding of the individual and interactive roles of H2S and NO signaling in mammalian cardiovascular system, focusing particularly on heart contractility, cardioprotection, vascular tone, angiogenesis, and oxidative stress.
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22
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Gao Y, Toubaei A, Kong X, Wu G. Solving the 170-Year-Old Mystery About Red-Violet and Blue Transient Intermediates in the Gmelin Reaction. Chemistry 2015; 21:17172-7. [PMID: 26412492 DOI: 10.1002/chem.201503353] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2015] [Indexed: 11/06/2022]
Abstract
The Gmelin reaction between nitroprusside and sulfides in aqueous solution is known to produce two transient intermediates with distinct colors: an initial red-violet intermediate that subsequently converts into a blue intermediate. In this work, we use a combination of multinuclear ((17) O, (15) N, (13) C) NMR, UV/Vis, IR spectroscopic techniques and quantum chemical computation to show unequivocally that the red-violet intermediate is [Fe(CN)5 N(O)S](4-) and the blue intermediate is [Fe(CN)5 N(O)SS)](4-) . While the formation of [Fe(CN)5 N(O)S](4-) has long been postulated in the literature, this study provides the most direct proof of its structure. In contrast, [Fe(CN)5 N(O)SS)](4-) represents the first example of any metal coordination complex containing a perthionitro ligand. The new reaction pathways found in this study not only provide clues for the mode of action of nitroprusside for its pharmacological activity, but also have broader implications to the biological role of H2 S, potential reactions between H2 S and nitric oxide donor compounds, and the possible biological function of polysulfides.
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Affiliation(s)
- Yin Gao
- Department of Chemistry, Queen's University, Kingston, Ontario, K7L 3N6 (Canada)
| | - Abouzar Toubaei
- Department of Chemistry, Queen's University, Kingston, Ontario, K7L 3N6 (Canada)
| | - Xianqi Kong
- Department of Chemistry, Queen's University, Kingston, Ontario, K7L 3N6 (Canada)
| | - Gang Wu
- Department of Chemistry, Queen's University, Kingston, Ontario, K7L 3N6 (Canada).
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23
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Yang X, Du J, Li Y. A cost-efficient and portable sulfide device with in situ integrating gas-permeable porous tube isolation and long path absorbance detection. Talanta 2015; 141:207-11. [DOI: 10.1016/j.talanta.2015.04.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2015] [Revised: 03/25/2015] [Accepted: 04/02/2015] [Indexed: 01/17/2023]
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24
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Rhine MA, Sanders BC, Patra AK, Harrop TC. Overview and New Insights into the Thiol Reactivity of Coordinated NO in {MNO}6/7/8 (M = Fe, Co) Complexes. Inorg Chem 2015; 54:9351-66. [DOI: 10.1021/acs.inorgchem.5b00883] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Melody A. Rhine
- Department of Chemistry
and Center for Metalloenzyme Studies, The University of Georgia, 140 Cedar Street, Athens, Georgia 30602, United States
| | - Brian C. Sanders
- Department of Chemistry
and Center for Metalloenzyme Studies, The University of Georgia, 140 Cedar Street, Athens, Georgia 30602, United States
| | - Ashis K. Patra
- Department of Chemistry
and Center for Metalloenzyme Studies, The University of Georgia, 140 Cedar Street, Athens, Georgia 30602, United States
| | - Todd C. Harrop
- Department of Chemistry
and Center for Metalloenzyme Studies, The University of Georgia, 140 Cedar Street, Athens, Georgia 30602, United States
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25
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Foi A, Di Salvo F, Doctorovich F, Roy TG, Stirnat K, Biewer C, Klein A. Tracing the Iron Nitrosyl Complex [Fe(2,2′‐bipyridine)(CN)
3
(NO)]
–. Eur J Inorg Chem 2015. [DOI: 10.1002/ejic.201403145] [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)
- Ana Foi
- Departamento de Química Inorgánica, Analítica, y Química Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, INQUIMAE‐CONICET, Ciudad Universitaria, Pabellón 2, Piso 3, C1428EHA Buenos Aires, Argentina
| | - Florencia Di Salvo
- Departamento de Química Inorgánica, Analítica, y Química Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, INQUIMAE‐CONICET, Ciudad Universitaria, Pabellón 2, Piso 3, C1428EHA Buenos Aires, Argentina
| | - Fabio Doctorovich
- Departamento de Química Inorgánica, Analítica, y Química Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, INQUIMAE‐CONICET, Ciudad Universitaria, Pabellón 2, Piso 3, C1428EHA Buenos Aires, Argentina
| | | | - Kathrin Stirnat
- Universität zu Köln, Institut für Anorganische Chemie, Greinstraße 6, 50939 Köln, http://www.klein.uni‐koeln.de/
| | - Christian Biewer
- Universität zu Köln, Institut für Anorganische Chemie, Greinstraße 6, 50939 Köln, http://www.klein.uni‐koeln.de/
| | - Axel Klein
- Universität zu Köln, Institut für Anorganische Chemie, Greinstraße 6, 50939 Köln, http://www.klein.uni‐koeln.de/
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26
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Bari SE, Olabe JA, Slep LD. Three Redox States of Metallonitrosyls in Aqueous Solution. ADVANCES IN INORGANIC CHEMISTRY 2015. [DOI: 10.1016/bs.adioch.2014.10.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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27
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Tran CT, Williard PG, Kim E. Nitric Oxide Reactivity of [2Fe-2S] Clusters Leading to H2S Generation. J Am Chem Soc 2014; 136:11874-7. [DOI: 10.1021/ja505415c] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Camly T. Tran
- Department
of Chemistry, Brown University, 324 Brook Street, Box H, Providence, Rhode Island 02912, United States
| | - Paul G. Williard
- Department
of Chemistry, Brown University, 324 Brook Street, Box H, Providence, Rhode Island 02912, United States
| | - Eunsuk Kim
- Department
of Chemistry, Brown University, 324 Brook Street, Box H, Providence, Rhode Island 02912, United States
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28
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Nitrosyl-Centered Redox and Acid–Base Interconversions in [Ru(Me3[9]aneN3)(bpy)(NO)]3,2,1+. The pKa of HNO for its Nitroxyl Derivative in Aqueous Solution. Inorg Chem 2014; 53:981-97. [DOI: 10.1021/ic402448p] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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29
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Miljkovic JL, Kenkel I, Ivanović-Burmazović I, Filipovic MR. Generation of HNO and HSNO from Nitrite by Heme-Iron-Catalyzed Metabolism with H2S. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201305669] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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30
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Miljkovic JL, Kenkel I, Ivanović-Burmazović I, Filipovic MR. Generation of HNO and HSNO from Nitrite by Heme-Iron-Catalyzed Metabolism with H2S. Angew Chem Int Ed Engl 2013; 52:12061-4. [DOI: 10.1002/anie.201305669] [Citation(s) in RCA: 112] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2013] [Indexed: 01/30/2023]
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31
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Olabe JA, Amorebieta VT. P38 Mechanism of the reactions of the nitroprusside ion, Fe (CN)5NO2−, with sulfides. Nitric Oxide 2013. [DOI: 10.1016/j.niox.2013.06.100] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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32
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OP25 Mechanism of the reactions of the nitroprusside ion FeII(CN)5NO22- with sulfide. Nitric Oxide 2013. [DOI: 10.1016/j.niox.2013.06.055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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33
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Li Q, Lancaster JR. Chemical foundations of hydrogen sulfide biology. Nitric Oxide 2013; 35:21-34. [PMID: 23850631 DOI: 10.1016/j.niox.2013.07.001] [Citation(s) in RCA: 204] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2013] [Revised: 06/22/2013] [Accepted: 07/02/2013] [Indexed: 12/16/2022]
Abstract
Following nitric oxide (nitrogen monoxide) and carbon monoxide, hydrogen sulfide (or its newer systematic name sulfane, H2S) became the third small molecule that can be both toxic and beneficial depending on the concentration. In spite of its impressive therapeutic potential, the underlying mechanisms for its beneficial effects remain unclear. Any novel mechanism has to obey fundamental chemical principles. H2S chemistry was studied long before its biological relevance was discovered, however, with a few exceptions, these past works have received relatively little attention in the path of exploring the mechanistic conundrum of H2S biological functions. This review calls attention to the basic physical and chemical properties of H2S, focuses on the chemistry between H2S and its three potential biological targets: oxidants, metals and thiol derivatives, discusses the applications of these basics into H2S biology and methodology, and introduces the standard terminology to this youthful field.
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Affiliation(s)
- Qian Li
- Department of Anesthesiology, University of Alabama at Birmingham, United States; Center for Free Radical Biology, University of Alabama at Birmingham, United States.
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34
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Filipovic MR, Eberhardt M, Prokopovic V, Mijuskovic A, Orescanin-Dusic Z, Reeh P, Ivanovic-Burmazovic I. Beyond H2S and NO Interplay: Hydrogen Sulfide and Nitroprusside React Directly to Give Nitroxyl (HNO). A New Pharmacological Source of HNO. J Med Chem 2013; 56:1499-508. [DOI: 10.1021/jm3012036] [Citation(s) in RCA: 109] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
| | | | | | - Ana Mijuskovic
- Institute
for Biological Research Sinisa Stankovic, University of Belgrade,
Belgrade, Serbia
| | - Zorana Orescanin-Dusic
- Institute
for Biological Research Sinisa Stankovic, University of Belgrade,
Belgrade, Serbia
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35
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Bruce King S. Potential biological chemistry of hydrogen sulfide (H2S) with the nitrogen oxides. Free Radic Biol Med 2013; 55:1-7. [PMID: 23165065 PMCID: PMC3798156 DOI: 10.1016/j.freeradbiomed.2012.11.005] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2012] [Revised: 10/24/2012] [Accepted: 11/08/2012] [Indexed: 12/14/2022]
Abstract
Hydrogen sulfide, an important gaseous signaling agent generated in numerous biological tissues, influences many physiological processes. This biological profile seems reminiscent of nitric oxide, another important endogenously synthesized gaseous signaling molecule. Hydrogen sulfide reacts with nitric oxide or oxidized forms of nitric oxide and nitric oxide donors in vitro to form species that display distinct biology compared to both hydrogen sulfide and NO. The products of these interesting reactions may include small-molecule S-nitrosothiols or nitroxyl, the one-electron-reduced form of nitric oxide. In addition, thionitrous acid or thionitrite, compounds structurally analogous to nitrous acid and nitrite, may constitute a portion of the reaction products. Both the chemistry and the biology of thionitrous acid and thionitrite, compared to nitric oxide or hydrogen sulfide, remain poorly defined. General mechanisms for the formation of S-nitrosothiols, nitroxyl, and thionitrous acid based upon the ability of hydrogen sulfide to act as a nucleophile and a reducing agent with reactive nitric oxide-based intermediates are proposed. Hydrogen sulfide reactivity seems extensive and could have an impact on numerous areas of redox-controlled biology and chemistry, warranting more work in this exciting and developing area.
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Affiliation(s)
- S Bruce King
- Department of Chemistry, Wake Forest University, Winston-Salem, NC 27109, USA.
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36
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Filipovic MR, Ivanovic-Burmazovic I. The Kinetics and Character of the Intermediates Formed in the Reaction between Sodium Nitroprusside and Hydrogen Sulfide Need Further Clarification. Chemistry 2012; 18:13538-40. [DOI: 10.1002/chem.201103644] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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37
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Gutiérrez MM, Olabe JA, Amorebieta VT. Nucleophilic Addition Reactions of the Nitroprusside Ion – The Case of
O
‐Methylhydroxylamine. Eur J Inorg Chem 2012. [DOI: 10.1002/ejic.201200387] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- María M. Gutiérrez
- Department of Chemistry, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Funes y Roca, Mar del Plata B7602AYL, Argentina, http://www.mdp.edu.ar
| | - José A. Olabe
- Department of Inorganic, Analytical and Physical Chemistry and INQUIMAE/CONICET, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón 2, Buenos Aires C1428EHA, Argentina
| | - Valentín T. Amorebieta
- Department of Chemistry, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Funes y Roca, Mar del Plata B7602AYL, Argentina, http://www.mdp.edu.ar
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38
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Filipovic MR, Miljkovic JL, Nauser T, Royzen M, Klos K, Shubina T, Koppenol WH, Lippard SJ, Ivanović-Burmazović I. Chemical characterization of the smallest S-nitrosothiol, HSNO; cellular cross-talk of H2S and S-nitrosothiols. J Am Chem Soc 2012; 134:12016-27. [PMID: 22741609 PMCID: PMC3408084 DOI: 10.1021/ja3009693] [Citation(s) in RCA: 266] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2012] [Indexed: 01/20/2023]
Abstract
Dihydrogen sulfide recently emerged as a biological signaling molecule with important physiological roles and significant pharmacological potential. Chemically plausible explanations for its mechanisms of action have remained elusive, however. Here, we report that H(2)S reacts with S-nitrosothiols to form thionitrous acid (HSNO), the smallest S-nitrosothiol. These results demonstrate that, at the cellular level, HSNO can be metabolized to afford NO(+), NO, and NO(-) species, all of which have distinct physiological consequences of their own. We further show that HSNO can freely diffuse through membranes, facilitating transnitrosation of proteins such as hemoglobin. The data presented in this study explain some of the physiological effects ascribed to H(2)S, but, more broadly, introduce a new signaling molecule, HSNO, and suggest that it may play a key role in cellular redox regulation.
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Affiliation(s)
- Milos R Filipovic
- Department of Chemistry and Pharmacy, University of Erlangen-Nürnberg, 91058 Erlangen, Germany.
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