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Bendou O, Bueno-Ramos N, Marcos-Barbero EL, Morcuende R, Arellano JB. Singlet Oxygen and Superoxide Anion Radical Detection by EPR Spin Trapping in Thylakoid Preparations. Methods Mol Biol 2024; 2798:11-26. [PMID: 38587733 DOI: 10.1007/978-1-0716-3826-2_2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/09/2024]
Abstract
Reactive oxygen species (ROS) are produced by energy transfer and electron transport in plant chloroplast thylakoids at non-toxic levels under normal growth conditions, but at threatening levels under adverse or fluctuating environmental conditions. Among chloroplast ROS, singlet oxygen and superoxide anion radical, respectively, produced by photosystem II (PSII) and PSI, are known to be the major ROS under several stress conditions. Both are very unlikely to diffuse out of chloroplasts, but they are instead capable of triggering ROS-mediated chloroplast operational retrograde signalling to activate defence gene expression in concert with hormones and other molecular compounds. Therefore, their detection, identification and localization in vivo or in biological preparations is a priority for a deeper understanding of their role in (concurrent) regulation of plant growth and defence responses. Here, we present two EPR spin traps, abbreviated as TEMPD-HCl and DEPMPO, to detect and identify ROS in complex systems, such as isolated thylakoids, together with some hints and cautions to perform reliable spin trapping experiments.
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Affiliation(s)
- Ouardia Bendou
- Departamento de Estrés Abiótico, Instituto de Recursos Naturales y Agrobiología de Salamanca (IRNASA-CSIC), Salamanca, Spain
| | - Nara Bueno-Ramos
- Departamento de Estrés Abiótico, Instituto de Recursos Naturales y Agrobiología de Salamanca (IRNASA-CSIC), Salamanca, Spain
| | - Emilio L Marcos-Barbero
- Departamento de Estrés Abiótico, Instituto de Recursos Naturales y Agrobiología de Salamanca (IRNASA-CSIC), Salamanca, Spain
| | - Rosa Morcuende
- Departamento de Estrés Abiótico, Instituto de Recursos Naturales y Agrobiología de Salamanca (IRNASA-CSIC), Salamanca, Spain
| | - Juan B Arellano
- Departamento de Estrés Abiótico, Instituto de Recursos Naturales y Agrobiología de Salamanca (IRNASA-CSIC), Salamanca, Spain.
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Inanami O, Hiraoka W, Goto Y, Takakura H, Ogawa M. EPR Characterisation of Phthalocyanine Radical Anions in Near‐Infrared Photocleavage of the Hydrophilic Axial Ligand of a Photoimmunotherapeutic Reagent, IR700. CHEMPHOTOCHEM 2021. [DOI: 10.1002/cptc.202100172] [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)
- Osamu Inanami
- Faculty of Veterinary Medicine Hokkaido University Sapporo 060-0818 Japan
| | - Wakako Hiraoka
- Department of Physics School of Science and Technology Meiji University Kawasaki 214-8571 Japan
| | - Yuto Goto
- Faculty of Pharmaceutical Sciences Hokkaido University Sapporo 060-0812 Japan
| | - Hideo Takakura
- Faculty of Pharmaceutical Sciences Hokkaido University Sapporo 060-0812 Japan
| | - Mikako Ogawa
- Faculty of Pharmaceutical Sciences Hokkaido University Sapporo 060-0812 Japan
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3
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Matsumoto KI, Nakanishi I, Abe Y, Sato S, Kohno R, Sakata D, Mizushima K, Lee SH, Inaniwa T. Effects of loading a magnetic field longitudinal to the linear particle-beam track on yields of reactive oxygen species in water. Free Radic Res 2021; 55:547-555. [PMID: 34569399 DOI: 10.1080/10715762.2021.1970151] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The effects of a magnetic field longitudinal to the ion beam track on the generation of hydroxyl radicals (•OH) and hydrogen peroxide (H2O2) in water were investigated. A longitudinal magnetic field was reported to enhance the biological effects of the ion beam. However, the mechanism of the increased cell death by a longitudinal magnetic field has not been clarified. The local density of •OH generation was estimated by a method based on the EPR spin-trapping. A series of reaction mixtures containing varying concentrations (0.76‒2278 mM) of DMPO was irradiated by 16 Gy of carbon- or iron-ion beams at the Heavy-Ion Medical Accelerator in Chiba (HIMAC, NIRS/QST, Chiba, Japan) with or without a longitudinal magnetic field (0.0, 0.3, or 0.6 T). The DMPO-OH yield in the sample solutions was measured by X-band EPR and plotted versus DMPO density. O2-dependent and O2-independent H2O2 yields were measured. An aliquot of ultra-pure water was irradiated by carbon-ion beams with or without a longitudinal magnetic field. Irradiation experiments were performed under air or hypoxic conditions. H2O2 generation in irradiated water samples was quantified by an EPR spin-trapping, which measures •OH synthesized from H2O2 by UVB irradiation. Relatively sparse •OH generation caused by particle beams in water were not affected by loading a magnetic field on the beam track. O2-dependent H2O2 generation decreased and oxygen-independent H2O2 generation increased after loading a magnetic field parallel to the beam track. Loading a magnetic field to the beam track made •OH generation denser or made dense •OH more reactive.
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Affiliation(s)
- Ken-Ichiro Matsumoto
- Quantitative RedOx Sensing Group, Department of Radiation Regulatory Science Research, National Institute of Radiological Sciences, Quantum Life and Medical Science Directorate, National Institutes for Quantum and Radiological Science and Technology, Chiba-shi, Japan
| | - Ikuo Nakanishi
- Quantum RedOx Chemistry Group, Institute for Quantum Life Science, Quantum Life and Medical Science Directorate, National Institutes for Quantum and Radiological Science and Technology, Chiba-shi, Japan
| | - Yasushi Abe
- Department of Accelerator and Medical Physics, Institute for Quantum Medical Science, Quantum Life and Medical Science Directorate, National Institutes for Quantum and Radiological Science and Technology, Chiba-shi, Japan
| | - Shinji Sato
- Department of Accelerator and Medical Physics, Institute for Quantum Medical Science, Quantum Life and Medical Science Directorate, National Institutes for Quantum and Radiological Science and Technology, Chiba-shi, Japan
| | - Ryosuke Kohno
- Department of Accelerator and Medical Physics, Institute for Quantum Medical Science, Quantum Life and Medical Science Directorate, National Institutes for Quantum and Radiological Science and Technology, Chiba-shi, Japan
| | - Dousatsu Sakata
- Department of Accelerator and Medical Physics, Institute for Quantum Medical Science, Quantum Life and Medical Science Directorate, National Institutes for Quantum and Radiological Science and Technology, Chiba-shi, Japan
| | - Kota Mizushima
- Department of Accelerator and Medical Physics, Institute for Quantum Medical Science, Quantum Life and Medical Science Directorate, National Institutes for Quantum and Radiological Science and Technology, Chiba-shi, Japan
| | - Sung Hyun Lee
- Department of Accelerator and Medical Physics, Institute for Quantum Medical Science, Quantum Life and Medical Science Directorate, National Institutes for Quantum and Radiological Science and Technology, Chiba-shi, Japan
| | - Taku Inaniwa
- Quantitative RedOx Sensing Group, Department of Radiation Regulatory Science Research, National Institute of Radiological Sciences, Quantum Life and Medical Science Directorate, National Institutes for Quantum and Radiological Science and Technology, Chiba-shi, Japan
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4
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Mochizuki A, Ono D, Kiminami H, Shinoda S, Abe Y. Carbon radicals generated by solid polymers: Electron spin resonance spectroscopy for detection of species in water. J Appl Polym Sci 2020. [DOI: 10.1002/app.48604] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Akira Mochizuki
- Department of Bio‐Medical Engineering, School of EngineeringTokai University, Shimokasuya 143 Isehara Kanagawa 259‐1292 Japan
| | - Dai Ono
- Department of Bio‐Medical Engineering, School of EngineeringTokai University, Shimokasuya 143 Isehara Kanagawa 259‐1292 Japan
| | - Hideaki Kiminami
- R&D Center, Terumo Corporation, 1500 Inokuchi, Nakai‐Machi Ashigarakami‐Gun Kanagawa 259‐0151 Japan
| | - Sayaka Shinoda
- R&D Center, Terumo Corporation, 1500 Inokuchi, Nakai‐Machi Ashigarakami‐Gun Kanagawa 259‐0151 Japan
| | - Yoshihiko Abe
- R&D Center, Terumo Corporation, 1500 Inokuchi, Nakai‐Machi Ashigarakami‐Gun Kanagawa 259‐0151 Japan
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Hardy M, Zielonka J, Karoui H, Sikora A, Michalski R, Podsiadły R, Lopez M, Vasquez-Vivar J, Kalyanaraman B, Ouari O. Detection and Characterization of Reactive Oxygen and Nitrogen Species in Biological Systems by Monitoring Species-Specific Products. Antioxid Redox Signal 2018; 28:1416-1432. [PMID: 29037049 PMCID: PMC5910052 DOI: 10.1089/ars.2017.7398] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2017] [Accepted: 10/15/2017] [Indexed: 12/31/2022]
Abstract
SIGNIFICANCE Since the discovery of the superoxide dismutase enzyme, the generation and fate of short-lived oxidizing, nitrosating, nitrating, and halogenating species in biological systems has been of great interest. Despite the significance of reactive oxygen species (ROS) and reactive nitrogen species (RNS) in numerous diseases and intracellular signaling, the rigorous detection of ROS and RNS has remained a challenge. Recent Advances: Chemical characterization of the reactions of selected ROS and RNS with electron paramagnetic resonance (EPR) spin traps and fluorescent probes led to the establishment of species-specific products, which can be used for specific detection of several forms of ROS and RNS in cell-free systems and in cultured cells in vitro and in animals in vivo. Profiling oxidation products from the ROS and RNS probes provides a rigorous method for detection of those species in biological systems. CRITICAL ISSUES Formation and detection of species-specific products from the probes enables accurate characterization of the oxidative environment in cells. Measurement of the total signal (fluorescence, chemiluminescence, etc.) intensity does not allow for identification of the ROS/RNS formed. It is critical to identify the products formed by using chromatographic or other rigorous techniques. Product analyses should be accompanied by monitoring of the intracellular probe level, another factor controlling the yield of the product(s) formed. FUTURE DIRECTIONS More work is required to characterize the chemical reactivity of the ROS/RNS probes, and to develop new probes/detection approaches enabling real-time, selective monitoring of the specific products formed from the probes. Antioxid. Redox Signal. 28, 1416-1432.
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Affiliation(s)
- Micael Hardy
- Aix Marseille Univ, CNRS, ICR, Marseille, France
| | - Jacek Zielonka
- Department of Biophysics, Medical College of Wisconsin, Milwaukee, Wisconsin
- Free Radical Research Center, Medical College of Wisconsin, Milwaukee, Wisconsin
- Cancer Center, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Hakim Karoui
- Aix Marseille Univ, CNRS, ICR, Marseille, France
| | - Adam Sikora
- Institute of Applied Radiation Chemistry, Lodz University of Technology, Lodz, Poland
| | - Radosław Michalski
- Institute of Applied Radiation Chemistry, Lodz University of Technology, Lodz, Poland
| | - Radosław Podsiadły
- Faculty of Chemistry, Institute of Polymer and Dye Technology, Lodz University of Technology, Lodz, Poland
| | - Marcos Lopez
- Translational Biomedical Research Group, Biotechnology Laboratories, Cardiovascular Foundation of Colombia, Santander, Colombia
- Graduate Program of Biomedical Sciences, Faculty of Health, Universidad del Valle, Cali, Colombia
| | - Jeannette Vasquez-Vivar
- Department of Biophysics, Medical College of Wisconsin, Milwaukee, Wisconsin
- Free Radical Research Center, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Balaraman Kalyanaraman
- Department of Biophysics, Medical College of Wisconsin, Milwaukee, Wisconsin
- Free Radical Research Center, Medical College of Wisconsin, Milwaukee, Wisconsin
- Cancer Center, Medical College of Wisconsin, Milwaukee, Wisconsin
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6
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Nosaka Y, Nosaka AY. Generation and Detection of Reactive Oxygen Species in Photocatalysis. Chem Rev 2017; 117:11302-11336. [DOI: 10.1021/acs.chemrev.7b00161] [Citation(s) in RCA: 1754] [Impact Index Per Article: 250.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Yoshio Nosaka
- Department of Materials Science
and Technology, Nagaoka University of Technology Nagaoka 940-2188, Japan
| | - Atsuko Y. Nosaka
- Department of Materials Science
and Technology, Nagaoka University of Technology Nagaoka 940-2188, Japan
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Tominami K, Kanetaka H, Sasaki S, Mokudai T, Kaneko T, Niwano Y. Cold atmospheric plasma enhances osteoblast differentiation. PLoS One 2017; 12:e0180507. [PMID: 28683076 PMCID: PMC5500351 DOI: 10.1371/journal.pone.0180507] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Accepted: 06/18/2017] [Indexed: 11/19/2022] Open
Abstract
This study was designed to assess the effects of cold atmospheric plasma on osteoblastic differentiation in pre-osteoblastic MC3T3-E1 cells. Plasma was irradiated directly to a culture medium containing plated cells for 5 s or 10 s. Alkaline phosphatase (ALP) activity assay and alizarin red staining were applied to assess osteoblastic differentiation. The plasma-generated radicals were detected directly using an electron spin resonance-spin trapping technique. Results show that plasma irradiation under specific conditions increased ALP activity and enhanced mineralization, and demonstrated that the yield of radicals was increased in an irradiation-time-dependent manner. Appropriate plasma irradiation stimulated the osteoblastic differentiation of the cells. This process offers the potential of promoting bone regeneration.
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Affiliation(s)
- Kanako Tominami
- Graduate School of Biomedical Engineering, Tohoku University, Sendai, Japan
| | - Hiroyasu Kanetaka
- Graduate School of Biomedical Engineering, Tohoku University, Sendai, Japan
- Graduate School of Dentistry, Tohoku University, Sendai, Japan
- * E-mail:
| | - Shota Sasaki
- Department of Electronic Engineering, Tohoku University, Sendai, Japan
| | | | - Toshiro Kaneko
- Department of Electronic Engineering, Tohoku University, Sendai, Japan
| | - Yoshimi Niwano
- Graduate School of Dentistry, Tohoku University, Sendai, Japan
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8
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Use of spin traps to detect superoxide production in living cells by electron paramagnetic resonance (EPR) spectroscopy. Methods 2016; 109:31-43. [DOI: 10.1016/j.ymeth.2016.05.001] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2016] [Revised: 05/04/2016] [Accepted: 05/05/2016] [Indexed: 01/23/2023] Open
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9
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Affiliation(s)
- Ian L. Gunsolus
- Department of Chemistry, University of Minnesota, 207 Pleasant
Street SE, Minneapolis, Minnesota 55455, United States
| | - Christy L. Haynes
- Department of Chemistry, University of Minnesota, 207 Pleasant
Street SE, Minneapolis, Minnesota 55455, United States
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10
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Abbas K, Hardy M, Poulhès F, Karoui H, Tordo P, Ouari O, Peyrot F. Detection of superoxide production in stimulated and unstimulated living cells using new cyclic nitrone spin traps. Free Radic Biol Med 2014; 71:281-290. [PMID: 24662195 DOI: 10.1016/j.freeradbiomed.2014.03.019] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2013] [Revised: 03/11/2014] [Accepted: 03/17/2014] [Indexed: 10/25/2022]
Abstract
Reactive oxygen species (ROS), including superoxide anion and hydrogen peroxide (H2O2), have a diverse array of physiological and pathological effects within living cells depending on the extent, timing, and location of their production. For measuring ROS production in cells, the ESR spin trapping technique using cyclic nitrones distinguishes itself from other methods by its specificity for superoxide and hydroxyl radical. However, several drawbacks, such as the low spin trapping rate and the spontaneous and cell-enhanced decomposition of the spin adducts to ESR-silent products, limit the application of this method to biological systems. Recently, new cyclic nitrones bearing a triphenylphosphonium (Mito-DIPPMPO) or a permethylated β-cyclodextrin moiety (CD-DIPPMPO) have been synthesized and their spin adducts demonstrated increased stability in buffer. In this study, a comparison of the spin trapping efficiency of these new compounds with commonly used cyclic nitrone spin traps, i.e., 5,5-dimethyl-1-pyrroline N-oxide (DMPO), and analogs BMPO, DEPMPO, and DIPPMPO, was performed on RAW 264.7 macrophages stimulated with phorbol 12-myristate 13-acetate. Our results show that Mito-DIPPMPO and CD-DIPPMPO enable a higher detection of superoxide adduct, with a low (if any) amount of hydroxyl adduct. CD-DIPPMPO, especially, appears to be a superior spin trap for extracellular superoxide detection in living macrophages, allowing measurement of superoxide production in unstimulated cells for the first time. The main rationale put forward for this extreme sensitivity is that the extracellular localization of the spin trap prevents the reduction of the spin adducts by ascorbic acid and glutathione within cells.
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Affiliation(s)
- Kahina Abbas
- Laboratoire de Chimie et Biochimie Pharmacologiques et Toxicologiques (UMR CNRS 8601), Université Paris Descartes, Sorbonne Paris Cité, 75006 Paris, France
| | - Micael Hardy
- Aix-Marseille Université, CNRS, ICR UMR 7273, 13397 Marseille Cedex 20, France
| | - Florent Poulhès
- Aix-Marseille Université, CNRS, ICR UMR 7273, 13397 Marseille Cedex 20, France
| | - Hakim Karoui
- Aix-Marseille Université, CNRS, ICR UMR 7273, 13397 Marseille Cedex 20, France
| | - Paul Tordo
- Aix-Marseille Université, CNRS, ICR UMR 7273, 13397 Marseille Cedex 20, France
| | - Olivier Ouari
- Aix-Marseille Université, CNRS, ICR UMR 7273, 13397 Marseille Cedex 20, France
| | - Fabienne Peyrot
- Laboratoire de Chimie et Biochimie Pharmacologiques et Toxicologiques (UMR CNRS 8601), Université Paris Descartes, Sorbonne Paris Cité, 75006 Paris, France; ESPE de l׳Académie de Paris, Université Paris Sorbonne, 75016 Paris, France.
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11
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Hawkins CL, Davies MJ. Detection and characterisation of radicals in biological materials using EPR methodology. Biochim Biophys Acta Gen Subj 2014; 1840:708-21. [DOI: 10.1016/j.bbagen.2013.03.034] [Citation(s) in RCA: 141] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2013] [Accepted: 03/28/2013] [Indexed: 12/21/2022]
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Bézière N, Hardy M, Poulhès F, Karoui H, Tordo P, Ouari O, Frapart YM, Rockenbauer A, Boucher JL, Mansuy D, Peyrot F. Metabolic stability of superoxide adducts derived from newly developed cyclic nitrone spin traps. Free Radic Biol Med 2014; 67:150-8. [PMID: 24161442 DOI: 10.1016/j.freeradbiomed.2013.10.812] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2013] [Revised: 09/20/2013] [Accepted: 10/16/2013] [Indexed: 11/24/2022]
Abstract
Reactive oxygen species are by-products of aerobic metabolism involved in the onset and evolution of various pathological conditions. Among them, the superoxide radical is of special interest as the origin of several damaging species such as H2O2, hydroxyl radical, or peroxynitrite (ONOO(-)). Spin trapping coupled with ESR is a method of choice to characterize these species in chemical and biological systems and the metabolic stability of the spin adducts derived from reaction of superoxide and hydroxyl radicals with nitrones is the main limit to the in vivo application of the method. Recently, new cyclic nitrones bearing a triphenylphosphonium or permethylated β-cyclodextrin moiety have been synthesized and their spin adducts demonstrated increased stability in buffer. In this article, we studied the stability of the superoxide adducts of four new cyclic nitrones in the presence of liver subcellular fractions and biologically relevant reductants using an original setup combining a stopped-flow device and an ESR spectrometer. The kinetics of disappearance of the spin adducts were analyzed using an appropriate simulation program. Our results highlight the interest of the new spin trapping agents CD-DEPMPO and CD-DIPPMPO for specific detection of superoxide with high stability of the superoxide adducts in the presence of liver microsomes.
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Affiliation(s)
- Nicolas Bézière
- Laboratoire de Chimie et Biochimie Pharmacologiques et Toxicologiques (UMR CNRS 8601), Université Paris Descartes, 75006 Paris, France
| | - Micael Hardy
- Aix-Marseille Université, CNRS, ICR UMR 7273, 13397 Marseille Cedex 20, France
| | - Florent Poulhès
- Aix-Marseille Université, CNRS, ICR UMR 7273, 13397 Marseille Cedex 20, France
| | - Hakim Karoui
- Aix-Marseille Université, CNRS, ICR UMR 7273, 13397 Marseille Cedex 20, France
| | - Paul Tordo
- Aix-Marseille Université, CNRS, ICR UMR 7273, 13397 Marseille Cedex 20, France
| | - Olivier Ouari
- Aix-Marseille Université, CNRS, ICR UMR 7273, 13397 Marseille Cedex 20, France
| | - Yves-Michel Frapart
- Laboratoire de Chimie et Biochimie Pharmacologiques et Toxicologiques (UMR CNRS 8601), Université Paris Descartes, 75006 Paris, France
| | - Antal Rockenbauer
- Institute of Molecular Pharmacology, Research Centre for Natural Sciences, Budapest, Hungary
| | - Jean-Luc Boucher
- Laboratoire de Chimie et Biochimie Pharmacologiques et Toxicologiques (UMR CNRS 8601), Université Paris Descartes, 75006 Paris, France
| | - Daniel Mansuy
- Laboratoire de Chimie et Biochimie Pharmacologiques et Toxicologiques (UMR CNRS 8601), Université Paris Descartes, 75006 Paris, France
| | - Fabienne Peyrot
- Laboratoire de Chimie et Biochimie Pharmacologiques et Toxicologiques (UMR CNRS 8601), Université Paris Descartes, 75006 Paris, France; IUFM de Paris, Université Paris Sorbonne, 75016 Paris, France.
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Oowada S, Endo N, Kameya H, Shimmei M, Kotake Y. Multiple free-radical scavenging capacity in serum. J Clin Biochem Nutr 2012; 51:117-21. [PMID: 22962529 PMCID: PMC3432821 DOI: 10.3164/jcbn.11-113] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2011] [Accepted: 12/13/2011] [Indexed: 01/01/2023] Open
Abstract
We have developed a method to determine serum scavenging-capacity profile against multiple free radical species, namely hydroxyl radical, superoxide radical, alkoxyl radical, alkylperoxyl radical, alkyl radical, and singlet oxygen. This method was applied to a cohort of chronic kidney disease patients. Each free radical species was produced with a common experimental procedure; i.e., uv/visible-light photolysis of free-radical precursor/sensitizer. The decrease in free-radical concentration by the presence of serum was quantified with electron spin resonance spin trapping method, from which the scavenging capacity was calculated. There was a significant capacity change in the disease group (n = 45) as compared with the healthy control group (n = 30). The percent values of disease’s scavenging capacity with respect to control group indicated statistically significant differences in all free-radical species except alkylperoxyl radical, i.e., hydroxyl radical, 73 ± 12% (p = 0.001); superoxide radical, 158 ± 50% (p = 0.001); alkoxyl radical, 121 ± 30% (p = 0.005); alkylperoxyl radical, 123 ± 32% (p>0.1); alkyl radical, 26 ± 14% (p = 0.001); and singlet oxygen, 57 ± 18% (p = 0.001). The scavenging capacity profile was illustrated using a radar chart, clearly demonstrating the characteristic change in the disease group. Although the cause of the scavenging capacity change by the disease state is not completely understood, the profile of multiple radical scavenging capacities may become a useful diagnostic tool.
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Affiliation(s)
- Shigeru Oowada
- Division of Dialysis Center, Asao Clinic, Kawasaki, Kanagawa 215-0004, Japan
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14
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Characteristics of the spin-trapping reaction of a free radical derived from AAPH: further development of the ORAC-ESR assay. Anal Bioanal Chem 2012; 403:1961-70. [PMID: 22543695 DOI: 10.1007/s00216-012-6021-8] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2012] [Revised: 04/02/2012] [Accepted: 04/03/2012] [Indexed: 10/28/2022]
Abstract
The characteristics of the spin-trapping reaction in the oxygen radical absorbance capacity (ORAC)-electron spin resonance (ESR) assay were examined, focusing on the kind of spin traps. 2,2-Azobis(2-amidinopropane) dihydrochloride (AAPH) was used as a free radical initiator. The spin adducts of the AAPH-derived free radical were assigned as those of the alkoxyl radical, RO· (R=H(2)N(HN)C-C(CH(3))(2)). Among the spin traps tested, 5,5-dimethyl-1-pyrroline N-oxide (DMPO), 5,5-dimethyl-4-phenyl-1-pyrroline N-oxide (4PDMPO), 5-(2,2-dimethyl-1,3-propoxycyclophosphoryl)-5-methyl-1-pyrroline N-oxide (CYPMPO), and 5-diethoxyphosphoryl-5-methyl-1-pyrroline N-oxide (DEPMPO) were applicable to the ORAC-ESR assay. Optimal formation of spin-trapped radical adduct was observed with 1 mM AAPH, 10 mM spin trap, and 5 s UV irradiation. The calibration curve (the Stern-Volmer's plot) for each spin trap showed good linearity, and their slopes, k (SB)/k (ST), were estimated to be 87.7±2.3, 267±15, 228±9, and 213±16 for DMPO, 4PDMPO, CYPMPO, and DEPMPO, respectively. Though the k (SB)/k (ST) values for selected biosubstances varied with various spin traps, their ratios to Trolox (the relative ORAC values) were almost the same for all spin traps tested. The ORAC-ESR assay also had a very good reproducibility. The ORAC-ESR assay was conducted under stoichiometric experimental conditions. The present results demonstrate the superiority of the ORAC-ESR assay.
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15
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Matsuzaki S, Kotake Y, Humphries KM. Identification of mitochondrial electron transport chain-mediated NADH radical formation by EPR spin-trapping techniques. Biochemistry 2011; 50:10792-803. [PMID: 22091587 DOI: 10.1021/bi201714w] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
The mitochondrial electron transport chain (ETC) is a major source of free radical production. However, due to the highly reactive nature of radical species and their short lifetimes, accurate detection and identification of these molecules in biological systems is challenging. The aim of this investigation was to determine the free radical species produced from the mitochondrial ETC by utilizing EPR spin-trapping techniques and the recently commercialized spin-trap, 5-(2,2-dimethyl-1,3-propoxycyclophosphoryl)-5-methyl-1-pyrroline N-oxide (CYPMPO). We demonstrate that this spin-trap has the preferential quality of having minimal mitochondrial toxicity at concentrations required for radical detection. In rat heart mitochondria and submitochondrial particles supplied with NADH, the major species detected under physiological pH was a carbon-centered radical adduct, indicated by markedly large hyperfine coupling constant with hydrogen (a(H) > 2.0 mT). In the presence of the ETC inhibitors, the carbon-centered radical formation was increased and exhibited NADH concentration dependency. The same carbon-centered radical could also be produced with the NAD biosynthesis precursor, nicotinamide mononucleotide, in the presence of a catalytic amount of NADH. The results support the conclusion that the observed species is a complex I derived NADH radical. The formation of the NADH radical could be blocked by hydroxyl radical scavengers but not SOD. In vitro experiments confirmed that an NADH-radical is readily formed by hydroxyl radical but not superoxide anion, further implicating hydroxyl radical as an upstream mediator of NADH radical production. These findings demonstrate the identification of a novel mitochondrial radical species with potential physiological significance and highlight the diverse mechanisms and sites of production within the ETC.
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Affiliation(s)
- Satoshi Matsuzaki
- Free Radical Biology and Aging Research Program, Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma 73104-5097, United States
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Oka T, Yamashita S, Midorikawa M, Saiki S, Muroya Y, Kamibayashi M, Yamashita M, Anzai K, Katsumura Y. Spin-Trapping Reactions of a Novel Gauchetype Radical Trapper G-CYPMPO. Anal Chem 2011; 83:9600-4. [DOI: 10.1021/ac2023926] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Toshitaka Oka
- Advanced Science Research Center, Japan Atomic Energy Agency (JAEA), Tokai-mura, Ibaraki 319−1195, Japan
| | - Shinichi Yamashita
- Quantum Beam Science Directorate, Japan Atomic Energy Agency (JAEA), Takasaki, Gunma 370−1292, Japan
| | | | - Seiichi Saiki
- Quantum Beam Science Directorate, Japan Atomic Energy Agency (JAEA), Takasaki, Gunma 370−1292, Japan
| | - Yusa Muroya
- School of Engineering, The University of Tokyo, Tokai-mura, Ibaraki 319−1188, Japan
| | - Masato Kamibayashi
- Pharmaceutical Manufacturing Chemistry, Kyoto Pharmaceutical University, Kyoto, Kyoto 607−8414, Japan
| | - Masayuki Yamashita
- Pharmaceutical Manufacturing Chemistry, Kyoto Pharmaceutical University, Kyoto, Kyoto 607−8414, Japan
| | - Kazunori Anzai
- School of Pharmaceutical Sciences, Nihon Pharmaceutical University, Kitaadachi, Saitama 362−0806, Japan
| | - Yosuke Katsumura
- School of Engineering, The University of Tokyo, Bunkyo, Tokyo 113−8656, Japan
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Kohno M, Mokudai T, Ozawa T, Niwano Y. Free radical formation from sonolysis of water in the presence of different gases. J Clin Biochem Nutr 2011; 49:96-101. [PMID: 21980224 PMCID: PMC3171683 DOI: 10.3164/jcbn.10-130] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2010] [Accepted: 12/31/2010] [Indexed: 11/29/2022] Open
Abstract
In the present study by applying electron spin resonance-spin trapping method, when a high frequency (1650 kHz) ultrasound was irradiated to water dissolved with different gas molecules (O2, N2, Ar, Ne, He, and H2) at 25°C of water bulk temperature, free radical generation pattern differed dependently on the dissolved gas molecules. Only •OH was detected in the O2-dissolved water sample, and the amount of the radical was much greater than that determined in any of other gas-dissolved water samples. One of the possible reasons to explain why the •H radical was not detected in the O2-dissolved water is that the •H reacts with O2 to form •OOH. However, no electron spin resonance signals related to the adduct of not only 5,5-dimethyl-1-pyrroline-N-oxide but 5-(2,2-Dimethyl-1,3-propoxy cyclophosphoryl)-5-methyl-1-pyrroline N-oxide and •OOH were observed. In the H2-dissolved water, only •H was detected, suggesting that H2 reduces or neutralizes •OH. In the N2-disolved water, both •OH and •H were detected at comparable level. In the water samples dissolved with rare gases (Ar, Ne, and He), the amount of •H was almost double as compared with that of •OH, and both •OH and •H yields increased in the order Ar > Ne > He.
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Affiliation(s)
- Masahiro Kohno
- New Industry Creation Hatchery Center, Tohoku University, 6-6-10 Aoba, Aramaki, Aoba-ku, Sendai, Miyagi 980-8579, Japan
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Sato E, Mokudai T, Niwano Y, Kohno M. Kinetic analysis of reactive oxygen species generated by the in vitro reconstituted NADPH oxidase and xanthine oxidase systems. J Biochem 2011; 150:173-81. [PMID: 21572100 DOI: 10.1093/jb/mvr051] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
The nicotinamide adenine dinucleotide (NADH)/nicotinamide adenine dinucleotide phosphate (NADPH) oxidase and the xanthine oxidase (XOD) systems generate reactive oxygen species (ROS). In the present study, to characterize the difference between the two systems, the kinetics of ROS generated by both the NADH oxidase and XOD systems were analysed by an electron spin resonance (ESR) spin trapping method using 5,5-dimethyl-1-pyrroline-N-oxide (DMPO), 5-(diethoxyphosphoryl)-5-methyl-pyrroline N-oxide (DEPMPO) and 5-(2,2-dimethyl-1,3-propoxy cyclophosphoryl)-5-methyl-1-pyrroline N-oxide (CYPMPO). As a result, two major differences in ROS kinetics were found between the two systems: (i) the kinetics of (•)OH and (ii) the kinetics of hydrogen peroxide. In the NADH oxidase system, the interaction of hydrogen peroxide with each component of the enzyme system (NADPH, NADH oxidase and FAD) was found to generate (•)OH. In contrast, (•)OH generation was found to be independent of hydrogen peroxide in the XOD system. In addition, the hydrogen peroxide level in the NADPH-NADH oxidase system was much lower than measured in the XOD system. This lower level of free hydrogen peroxide is most likely due to the interaction between hydrogen peroxide and NADPH, because the hydrogen peroxide level was reduced by ~90% in the presence of NADPH.
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Affiliation(s)
- Emiko Sato
- New Industry Creation Hatchery Center, Tohoku University, 6-6-10 Aoba, Aramaki, Aoba-ku, Sendai 980-8579, Japan.
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Nakamura K, Kanno T, Ikai H, Sato E, Mokudai T, Niwano Y, Ozawa T, Kohno M. Reevaluation of Quantitative ESR Spin Trapping Analysis of Hydroxyl Radical by Applying Sonolysis of Water as a Model System. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2010. [DOI: 10.1246/bcsj.20100078] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Mukohda M, Ueno S, Kamibayashi M, Okada M, Yamawaki H, Hara Y. Influences of organic solvents on CYPMPO-electron spin resonance spectra in in vitro radical generating systems. J Vet Med Sci 2010; 72:1547-50. [PMID: 20661003 DOI: 10.1292/jvms.10-0232] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Estimation of radical scavenging capacity of lipophilic antioxidants by electron spin resonance (ESR) in vitro is a challenging issue due to their poor solubility in aqueous radical generating and measuring systems. Water-miscible organic solvents are used for this purpose. A novel radical trapping agent, 5-(2,2-dimethyl-1,3-propoxy cyclophosphoryl)-5-methyl-1-pyrroline N-oxide (CYPMPO), that has practical advantages over well-known trapping agents was synthesized. However, no available data for the influence of solvents in an ESR system that uses CYPMPO has been presented. The influences of six water-miscible organic solvents, acetonitrile (AcN), acetone, dimethyl sulfoxide (DMSO), ethanol, polyethylene glycol (PEG), and dimethoxyethane (DME), on ESR responses to Fenton Fe(2+)/H (2)O(2 )OH· and hypoxanthine/xanthine oxidase superoxide generation systems in vitro were studied. Reduction of the ESR signal to CYPMPO-OH· adducts by 55.86 ± 5.95 and 83.17 ± 2.50% compared with the control was observed in the presence of AcN and acetone, respectively, at a final concentration of 5% (v/v). AcN of less than 1% had minimal effects. DMSO, ethanol, PEG and DME at 5% (v/v) strongly inhibited the ESR signals and/or caused derangement in the signal patterns. The six water-miscible solvents at 5% (v/v) had no influence on the ESR spectra of CYPMPO-superoxide adducts. From these results, AcN, at less than 1% (v/v), is a useful water-miscible organic solvent for assessing radical scavenging capacities of lipophilic compounds in the CYPMPO-Fenton Fe(2+)/H(2)O(2) OH· reaction system in an ESR assay. Any of the solvents used in the present study can be used in a hypoxanthine/xanthine oxidase superoxide generation system.
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Affiliation(s)
- Masashi Mukohda
- School of Veterinary Medicine, Kitasato University, Aomori, Japan
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Kohno M. Applications of electron spin resonance spectrometry for reactive oxygen species and reactive nitrogen species research. J Clin Biochem Nutr 2010; 47:1-11. [PMID: 20664724 PMCID: PMC2901757 DOI: 10.3164/jcbn.10-13r] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2010] [Accepted: 03/01/2010] [Indexed: 11/24/2022] Open
Abstract
Electron spin resonance (ESR) spectroscopy has been widely applied in the research of biological free radicals for quantitative and qualitative analyses of reactive oxygen species (ROS) and reactive nitrogen species (RNS). The ESR spin-trapping method was developed in the early 1970s and enabled the analysis of short-lived free radicals. This method is now widely used as one of the most powerful tools for free radical studies. In this report, some of the studies that applied ESR for the measurement of ROS and RNS during oxidative stress are discussed.
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Affiliation(s)
- Masahiro Kohno
- New Industry Creation Hatchery Center, Tohoku University, 6-6-10 Aoba, Aramaki, Aoba-ku, Sendai 980-8579, Japan
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Nakajima A, Matsuda E, Ueda Y, Tajima K. ESR analysis of the oxidation reactions of phosphorus-containing nitrone-type spin traps with gold(III) ion. CAN J CHEM 2010. [DOI: 10.1139/v10-033] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Phosphorus-containing cyclic nitrones, such as DEPMPO, CYPMPO, and DPPMPO, were oxidized by hydrogen tetrachloroaurate(III) to DEPMPOX, CYPMPOX, and DPPMPOX with the precipitation of Au(0). The reaction was depressed by the addition of chloride or hydroxide ions. The peculiar pH dependency was observed in DEPMPOX, CYPMPOX, and DPPMPOX formation, which should be caused by the diethoxyphosphoryl group in DEPMPO, the 1,3-propoxy cyclophosphoryl group in CYPMPO, and the diphenylphosphinoyl group in DPPMPO. The oxidation of the nitrones proceeded through the ligand exchange of Cl– in AuCl4– with >N+–O– in nitrone and the nucleophilic addition of the water molecule to the C-2 position in the nitrones, the stepwise intra-molecular transfer of three electrons from the nitrones to Au(III), and the release of the resulting Au(0). The phosphoryl group in the nitrones suppressed the first ligand-exchange interaction by its electronegativity, while the group promoted the electron transfer from the nitrones to Au(III) by its inductive effect.
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Affiliation(s)
- Akira Nakajima
- Section of Obstetrics and Gynecology, Department of Reproductive and Developmental Medicine, Faculty of Medicine, University of Miyazaki, Kiyotake, Miyazaki 889-1692, Japan
- Section of Chemistry, Department of Medical Science, Faculty of Medicine, University of Miyazaki, Kiyotake, Miyazaki 889-1692, Japan
- Department of Psychiatry, Faculty of Medicine, University of Miyazaki, Kiyotake, Miyazaki 889-1692, Japan
- Department of Biomolecular Engineering, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan
| | - Emiko Matsuda
- Section of Obstetrics and Gynecology, Department of Reproductive and Developmental Medicine, Faculty of Medicine, University of Miyazaki, Kiyotake, Miyazaki 889-1692, Japan
- Section of Chemistry, Department of Medical Science, Faculty of Medicine, University of Miyazaki, Kiyotake, Miyazaki 889-1692, Japan
- Department of Psychiatry, Faculty of Medicine, University of Miyazaki, Kiyotake, Miyazaki 889-1692, Japan
- Department of Biomolecular Engineering, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan
| | - Yuto Ueda
- Section of Obstetrics and Gynecology, Department of Reproductive and Developmental Medicine, Faculty of Medicine, University of Miyazaki, Kiyotake, Miyazaki 889-1692, Japan
- Section of Chemistry, Department of Medical Science, Faculty of Medicine, University of Miyazaki, Kiyotake, Miyazaki 889-1692, Japan
- Department of Psychiatry, Faculty of Medicine, University of Miyazaki, Kiyotake, Miyazaki 889-1692, Japan
- Department of Biomolecular Engineering, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan
| | - Kunihiko Tajima
- Section of Obstetrics and Gynecology, Department of Reproductive and Developmental Medicine, Faculty of Medicine, University of Miyazaki, Kiyotake, Miyazaki 889-1692, Japan
- Section of Chemistry, Department of Medical Science, Faculty of Medicine, University of Miyazaki, Kiyotake, Miyazaki 889-1692, Japan
- Department of Psychiatry, Faculty of Medicine, University of Miyazaki, Kiyotake, Miyazaki 889-1692, Japan
- Department of Biomolecular Engineering, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan
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