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Matsumoto KI, Ueno M, Shoji Y, Nakanishi I. Heavy-ion beam-induced reactive oxygen species and redox reactions. Free Radic Res 2021; 55:450-460. [PMID: 33729087 DOI: 10.1080/10715762.2021.1899171] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Quantification and local density estimation of radiation-induced reactive oxygen species (ROS) were described focusing on our recent and related studies. Charged particle radiation, i.e. heavy-ion beams, are currently utilized for medical treatment. Differences in ROS generation properties between photon and charged particle radiation may lead to differences in the quality of radiation. Radiation-induced generation of ROS in water was quantified using several different approaches to electron paramagnetic resonance (EPR) techniques. Two different densities of localized hydroxyl radical (•OH) generation, i.e. milli-molar and molar levels, were described. Yields of sparse •OH decreased with increasing linear energy transfer (LET), the yield total •OH was not affected by LET. In the high-density, molar level, •OH environment, •OH can react and directly make hydrogen peroxide (H2O2), and then possible to form a high-density H2O2 cluster. The amount of total oxidation reactions caused by oxidative ROS, such as •OH and hydroperoxyl radial (HO2•), was decreased with increasing LET. Possibilities of the sequential reactions were discussed based on the initial localized density at the generated site. Water-induced ROS have been well investigated. However, little is known about radiation-induced free radical generation in lipidic conditions. Radio-chemistry to understand the sequential radio-biological effects is still under development.
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Affiliation(s)
- Ken-Ichiro Matsumoto
- Quantitative RedOx Sensing Group, Department of Basic Medical Sciences for Radiation Damages, National Institute of Radiological Sciences, Quantum Medical Science Directorate, National Institutes for Quantum and Radiological Science and Technology, Chiba, Japan
| | - Megumi Ueno
- Quantitative RedOx Sensing Group, Department of Basic Medical Sciences for Radiation Damages, National Institute of Radiological Sciences, Quantum Medical Science Directorate, National Institutes for Quantum and Radiological Science and Technology, Chiba, Japan
| | - Yoshimi Shoji
- Quantitative RedOx Sensing Group, Department of Basic Medical Sciences for Radiation Damages, National Institute of Radiological Sciences, Quantum Medical Science Directorate, National Institutes for Quantum and Radiological Science and Technology, Chiba, Japan
| | - Ikuo Nakanishi
- Quantitative RedOx Sensing Group, Department of Basic Medical Sciences for Radiation Damages, National Institute of Radiological Sciences, Quantum Medical Science Directorate, National Institutes for Quantum and Radiological Science and Technology, Chiba, Japan
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Motay M, Martel D, Vileno B, Soraru C, Ploux L, Méndez-Medrano MG, Colbeau-Justin C, Decher G, Keller N. Virtually Transparent TiO 2/Polyelectrolyte Thin Multilayer Films as High-Efficiency Nanoporous Photocatalytic Coatings for Breaking Down Formic Acid and for Escherichia coli Removal. ACS APPLIED MATERIALS & INTERFACES 2020; 12:55766-55781. [PMID: 33284584 DOI: 10.1021/acsami.0c13545] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Virtually transparent photocatalytic multilayer films composed of TiO2 nanoparticles and polyelectrolytes were built on model surfaces using layer-by-layer assembly and investigated as photocatalytic nanoporous coatings. Formic acid (HCOOH) and Escherichia coli were used as models for the degradation of gaseous pollutants and for studying antibacterial properties. Positively charged TiO2 nanoparticles were coassembled with negatively charged poly(sodium 4-styrenesulfonate) (NaPSS) which leads to highly transparent nanoscale coatings in which the content of TiO2 particles is controlled mainly by the number of deposition cycles and the enhanced translucency with respect to titania powders is likely due to the presence of the polyelectrolytes in the interstitial space between the particles. Build-up and structural properties of the films were determined by ellipsometry, quartz crystal microbalance (QCM-D, with dissipation monitoring), and UV-vis spectrophotometry in transmission and scanning electron microscopy. Complementary photophysical and activity tests of (PSS/TiO2)n multilayer films were performed in the gas-phase under UV-A light and revealed a peculiar dependence on the number of layer pairs (LPs), corresponding to a clear deviation from the usual observations in photocatalysis with increasing TiO2 amounts. Most notably, a single LP film showed a strongly enhanced HCOOH mineralization and outperformed films with a higher number of LPs, with respect to the quantity of TiO2 catalyst present in the films. It is believed that the high quantum yield (8.1%) of a coating consisting of a single TiO2 layer which is 6-7 times higher than that of a 6-10 LP film could be due to the optimum accessibility of the TiO2 crystallites toward both HCOOH and water molecules. In thicker films, while no detrimental light screening was observed with increasing the number of LPs, diffusion phenomena could cap the efficiency of the access of the pollutant and water to the catalytic surface. Unlike for HCOOH mineralization, three PSS/TiO2 LPs were required for observing a maximum antibacterial activity of the nanocomposite coatings. This is likely due to the fact that micrometer-sized E. coli bacteria do not enter into the interstitial space between the TiO2 particles and require a different surface morphology with respect to the number of active contact points for optimum degradation.
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Affiliation(s)
- Marvin Motay
- Institut de Chimie et Procédés pour l'Energie, l'Environnement et la Santé (ICPEES, CNRS, Université de Strasbourg), 25 rue Becquerel, 67087 Strasbourg, France
- Institut Charles Sadron (UPR 22), CNRS, Université de Strasbourg, 23 rue de Loess, Strasbourg CEDEX 2 67034, France
| | - David Martel
- Institut Charles Sadron (UPR 22), CNRS, Université de Strasbourg, 23 rue de Loess, Strasbourg CEDEX 2 67034, France
| | - Bertrand Vileno
- Institut de Chimie, CNRS, Université de Strasbourg, CNRS, 1 rue Blaise Pascal, Strasbourg CEDEX 67008, France
| | - Charline Soraru
- Institut de Science des Matériaux de Mulhouse (IS2M, UMR7361 CNRS/Université de Haute Alsace), 15 rue Jean Starcky, 68057 Mulhouse, France
| | - Lydie Ploux
- Institut de Science des Matériaux de Mulhouse (IS2M, UMR7361 CNRS/Université de Haute Alsace), 15 rue Jean Starcky, 68057 Mulhouse, France
- Biomaterial Bioengineering (U1121 INSERM/Université de Strasbourg), 11 rue Humann, 67000 Strasbourg, France
| | | | | | - Gero Decher
- Institut Charles Sadron (UPR 22), CNRS, Université de Strasbourg, 23 rue de Loess, Strasbourg CEDEX 2 67034, France
| | - Nicolas Keller
- Institut de Chimie et Procédés pour l'Energie, l'Environnement et la Santé (ICPEES, CNRS, Université de Strasbourg), 25 rue Becquerel, 67087 Strasbourg, France
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3
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Matsumoto KI, Nyui M, Ueno M, Ogawa Y, Nakanishi I. A quantitative analysis of carbon-ion beam-induced reactive oxygen species and redox reactions. J Clin Biochem Nutr 2019; 65:1-7. [PMID: 31379407 PMCID: PMC6667381 DOI: 10.3164/jcbn.18-34] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Accepted: 01/12/2019] [Indexed: 11/22/2022] Open
Abstract
The amounts of reactive oxygen species generated in aqueous samples by irradiation with X-ray or clinical carbon-ion beams were quantified. Hydroxyl radical (•OH), hydrogen peroxide (H2O2), and the total amount of oxidation reactions, which occurred mainly because of •OH and/or hydroperoxy radicals (HO2 •), were measured by electron paramagnetic resonance-based methods. •OH generation was expected to be localized on the track/range of the carbon-ion beam/X-ray, and mM and M levels of •OH generation were observed. Total •OH generation levels were identical at the same dose irrespective of whether X-ray or carbon-ion beam irradiation was used, and were around 0.28-0.35 µmol/L/Gy. However, sparse •OH generation levels decreased with increasing linear energy transfer, and were 0.17, 0.15, and 0.09 µmol/L/Gy for X-ray, 20 keV/µm carbon-ion beam, and >100 keV/µm carbon-ion beam sources, respectively. H2O2 generation was estimated as 0.26, 0.20, and 0.17 µmol/L/Gy, for X-ray, 20 keV/µm carbon-ion beam, and >100 keV/µm carbon-ion beam sources, respectively, whereas the ratios of H2O2 generation per oxygen consumption were 0.63, 0.51, and 3.40, respectively. The amounts of total oxidation reactions were 2.74, 1.17, and 0.66 µmol/L/Gy, respectively. The generation of reactive oxygen species was not uniform at the molecular level.
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Affiliation(s)
- Ken-Ichiro Matsumoto
- Quantitative RedOx Sensing Team, Department of Basic Medical Sciences for Radiation Damages, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology, 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan
| | - Minako Nyui
- Quantitative RedOx Sensing Team, Department of Basic Medical Sciences for Radiation Damages, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology, 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan
| | - Megumi Ueno
- Quantitative RedOx Sensing Team, Department of Basic Medical Sciences for Radiation Damages, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology, 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan
| | - Yukihiro Ogawa
- Quantitative RedOx Sensing Team, Department of Basic Medical Sciences for Radiation Damages, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology, 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan
| | - Ikuo Nakanishi
- Quantitative RedOx Sensing Team, Department of Basic Medical Sciences for Radiation Damages, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology, 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan
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Ueno M, Nakanishi I, Matsumoto KI. A New Approach for Quantifying Radio-Biological Effects Using the Time Course of Mouse Leg Contracture. Biol Pharm Bull 2018; 41:368-373. [PMID: 29491213 DOI: 10.1248/bpb.b17-00689] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
A digitization approach to the time course of radiation-induced mouse leg contracture was proposed for quantifying the radiation effect on an individual living mouse. The shortening of the mouse leg length can be easily measured with a caliper/ruler to offer a very simple digitalized index of the radiation effect. Left hind legs of mice were irradiated with single dose of 32 Gy of 290 MeV carbon-ion beam using 0, 50, or 117 mm binary filter (BF). The right legs were used as a control. The lengths of both hind legs of the mice were measured using a digital caliper before irradiation and every week after irradiation. The degree of leg contracture, ΔSt, at the time point t was estimated by subtraction of the left irradiated leg length from the right control leg length. Equation was fitted on the daily time course of ΔSt, and two parameters, ΔSmax and Ts, were estimated. ΔSt=ΔSmax×(1-exp(t/Ts)), where ΔSmax is the maximum degree of leg contracture, and Ts is time of leg contracture. The effect of carbon-ion irradiation on a living mouse was quantified by ΔSmax and Ts of the leg contracture, and then compared to that of X-rays. By 32 Gy irradiation, ΔSmax was largest for the BF117 experiment, followed by X-ray~BF50>BF0. Ts was shortest for the BF50 experiment, while other irradiation conditions give similar Ts. A logarithmic function was successfully repurposed for the evaluation of radio-biological response.
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Affiliation(s)
- Megumi Ueno
- Quantitative RedOx Sensing Team, Department of Basic Medical Sciences for Radiation Damages, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology
| | - Ikuo Nakanishi
- Quantitative RedOx Sensing Team, Department of Basic Medical Sciences for Radiation Damages, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology
| | - Ken-Ichiro Matsumoto
- Quantitative RedOx Sensing Team, Department of Basic Medical Sciences for Radiation Damages, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology
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Twardoch M, Messai Y, Vileno B, Hoarau Y, Mekki DE, Felix O, Turek P, Weiss J, Decher G, Martel D. Development of an electron paramagnetic resonance methodology for studying the photo-generation of reactive species in semiconductor nano-particle assembled films. Mol Phys 2018. [DOI: 10.1080/00268976.2018.1433882] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Marek Twardoch
- Institut Charles Sadron, Université de Strasbourg, CNRS, Strasbourg, France
| | - Youcef Messai
- Institut de Chimie, UMR 7177, Université de Strasbourg, CNRS, Strasbourg, France
- Laboratoire d'Etude Des Surfaces et Interfaces de La Matière Solide (LESIMS), Université Badji Mokhtar, Annaba, Algeria
| | - Bertrand Vileno
- Institut de Chimie, UMR 7177, Université de Strasbourg, CNRS, Strasbourg, France
- French EPR Federation of Research (REseau NAtional de RPE interDisciplinaire (RENARD), Fédération IR-RPE CNRS #3443), Lille, France
| | - Yannick Hoarau
- Laboratoire des Sciences de l'Ingénieur, de l'Informatique et de l'Imagerie, UMR 7357, Université de Strasbourg, CNRS, Strasbourg, France
| | - Djamel E. Mekki
- Laboratoire d'Etude Des Surfaces et Interfaces de La Matière Solide (LESIMS), Université Badji Mokhtar, Annaba, Algeria
| | - Olivier Felix
- Institut Charles Sadron, Université de Strasbourg, CNRS, Strasbourg, France
| | - Philippe Turek
- Institut de Chimie, UMR 7177, Université de Strasbourg, CNRS, Strasbourg, France
- French EPR Federation of Research (REseau NAtional de RPE interDisciplinaire (RENARD), Fédération IR-RPE CNRS #3443), Lille, France
| | - Jean Weiss
- Institut de Chimie, UMR 7177, Université de Strasbourg, CNRS, Strasbourg, France
| | - Gero Decher
- Institut Charles Sadron, Université de Strasbourg, CNRS, Strasbourg, France
- International Center for Frontier Research in Chemistry, Strasbourg, France
| | - David Martel
- Institut Charles Sadron, Université de Strasbourg, CNRS, Strasbourg, France
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6
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Martel D, Guerra A, Turek P, Weiss J, Vileno B. Pertinent parameters in photo-generation of electrons: Comparative study of anatase-based nano-TiO2 suspensions. J Colloid Interface Sci 2016; 467:300-306. [PMID: 26829277 DOI: 10.1016/j.jcis.2016.01.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2015] [Revised: 01/08/2016] [Accepted: 01/11/2016] [Indexed: 10/22/2022]
Abstract
In the field of solar fuel cells, the development of efficient photo-converting semiconductors remains a major challenge. A rational analysis of experimental photocatalytic results obtained with material in colloïdal suspensions is needed to access fundamental knowledge required to improve the design and properties of new materials. In this study, a simple system electron donor/nano-TiO2 is considered and examined via spin scavenging electron paramagnetic resonance as well as a panel of analytical techniques (composition, optical spectroscopy and dynamic light scattering) for selected type of nano-TiO2. Independent variables (pH, electron donor concentration and TiO2 amount) have been varied and interdependent variables (aggregate size, aggregate surface vs. volume and acid/base groups distribution) are discussed. This work shows that reliable understanding involves thoughtful combination of interdependent parameters, whereas the specific surface area seems not a pertinent parameter. The conclusion emphasizes the difficulty to identify the key features of the mechanisms governing photocatalytic properties in nano-TiO2.
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Affiliation(s)
- D Martel
- Centre National de la Recherche Scientifique, UPR 22, Institut Charles Sadron, 23 rue du loess, BP 84047, 67034 Strasbourg cedex 2, France.
| | - A Guerra
- Centre National de la Recherche Scientifique, UPR 22, Institut Charles Sadron, 23 rue du loess, BP 84047, 67034 Strasbourg cedex 2, France; Propriétés Optiques et Magnétiques des Architectures Moléculaires (POMAM), Institut de Chimie, UMR 7177 CNRS/Université de Strasbourg, 4 rue Blaise Pascal, 67000 Strasbourg, France
| | - P Turek
- Propriétés Optiques et Magnétiques des Architectures Moléculaires (POMAM), Institut de Chimie, UMR 7177 CNRS/Université de Strasbourg, 4 rue Blaise Pascal, 67000 Strasbourg, France; French EPR Federation of Research (REseau NAtional de Rpe interDisciplinaire (RENARD), Fédération IR-RPE CNRS #3443), France
| | - J Weiss
- Chimie des Ligands à Architecture Contrôlée (CLAC), Institut de Chimie, UMR 7177 CNRS/Université de Strasbourg, 1 rue Blaise Pascal, 67000 Strasbourg, France
| | - B Vileno
- Propriétés Optiques et Magnétiques des Architectures Moléculaires (POMAM), Institut de Chimie, UMR 7177 CNRS/Université de Strasbourg, 4 rue Blaise Pascal, 67000 Strasbourg, France; French EPR Federation of Research (REseau NAtional de Rpe interDisciplinaire (RENARD), Fédération IR-RPE CNRS #3443), France.
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Li H, Daukiya L, Haldar S, Lindblad A, Sanyal B, Eriksson O, Aubel D, Hajjar-Garreau S, Simon L, Leifer K. Site-selective local fluorination of graphene induced by focused ion beam irradiation. Sci Rep 2016; 6:19719. [PMID: 26822900 PMCID: PMC4731758 DOI: 10.1038/srep19719] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2015] [Accepted: 10/13/2015] [Indexed: 11/26/2022] Open
Abstract
The functionalization of graphene remains an important challenge for numerous applications expected by this fascinating material. To keep advantageous properties of graphene after modification or functionalization of its structure, local approaches are a promising road. A novel technique is reported here that allows precise site-selective fluorination of graphene. The basic idea of this approach consists in the local radicalization of graphene by focused ion beam (FIB) irradiation and simultaneous introduction of XeF2 gas. A systematic series of experiments were carried out to outline the relation between inserted defect creation and the fluorination process. Based on a subsequent X-ray photoelectron spectroscopy (XPS) analysis, a 6-fold increase of the fluorine concentration on graphene under simultaneous irradiation was observed when compared to fluorination under normal conditions. The fluorine atoms are predominately localized at the defects as indicated from scanning tunneling microscopy (STM). The experimental findings are confirmed by density functional theory which predicts a strong increase of the binding energy of fluorine atoms when bound to the defect sites. The developed technique allows for local fluorination of graphene without using resists and has potential to be a general enabler of site-selective functionalization of graphene using a wide range of gases.
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Affiliation(s)
- Hu Li
- Department of Engineering Sciences, Ångström Laboratory, Uppsala University, Sweden
| | - Lakshya Daukiya
- Institut de Sciences des Matériaux de Mulhouse, UMR 7361-CNRS, UHA, France
| | - Soumyajyoti Haldar
- Department of Physics and Astronomy, Ångström Laboratory, Uppsala University, Sweden
| | - Andreas Lindblad
- Department of Chemistry, Ångström Laboratory, Uppsala University, Sweden
| | - Biplab Sanyal
- Department of Physics and Astronomy, Ångström Laboratory, Uppsala University, Sweden
| | - Olle Eriksson
- Department of Physics and Astronomy, Ångström Laboratory, Uppsala University, Sweden
| | - Dominique Aubel
- Institut de Sciences des Matériaux de Mulhouse, UMR 7361-CNRS, UHA, France
| | | | - Laurent Simon
- Institut de Sciences des Matériaux de Mulhouse, UMR 7361-CNRS, UHA, France
| | - Klaus Leifer
- Department of Engineering Sciences, Ångström Laboratory, Uppsala University, Sweden
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Maeda J, Yurkon CR, Fujii Y, Fujisawa H, Kato S, Brents CA, Uesaka M, Fujimori A, Kitamura H, Kato TA. Solution Radioactivated by Hadron Radiation Can Increase Sister Chromatid Exchanges. PLoS One 2015; 10:e0144619. [PMID: 26657140 PMCID: PMC4682810 DOI: 10.1371/journal.pone.0144619] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2015] [Accepted: 10/21/2015] [Indexed: 11/20/2022] Open
Abstract
When energetic particles irradiate matter, it becomes activated by nuclear reactions. Radioactivation induced cellular effects are not clearly understood, but it could be a part of bystander effects. This investigation is aimed at understanding the biological effects from radioactivation in solution induced by hadron radiation. Water or phosphate buffered saline was activated by being exposed to hadron radiation including protons, carbon- and iron-ions. 1 mL of radioactivated solution was transferred to flasks with Chinese hamster ovary (CHO) cells cultured in 5 mL of complete media. The induction of sister chromatid exchanges (SCE) was used to observe any increase in DNA damage responses. The energy spectrum and the half-lives of the radioactivation were analyzed by NaI scintillation detector in order to identify generated radionuclides. In the radioactivated solution, 511 keV gamma-rays were observed, and their half-lives were approximately 2 min, 10 min, and 20 min. They respectively correspond to the beta+ decay of 15O, 13N, and 11C. The SCE frequencies in CHO cells increased depending on the amount of radioactivation in the solution. These were suppressed with a 2-hour delayed solution transfer or pretreatment with dimethyl sulfoxide (DMSO). Our results suggest that the SCE induction by radioactivated solution was mediated by free radicals produced by the annihilated gamma-rays. Since the SCE induction and DMSO modulation are also reported in radiation-induced bystander effects, our results imply that radioactivation of the solution may have some contribution to the bystander effects from hadron radiation. Further investigations are required to assess if radioactivation effects would attribute an additional level of cancer risk of the hadron radiation therapy itself.
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Affiliation(s)
- Junko Maeda
- Department of Environmental & Radiological Health Sciences, Colorado State University, Fort Collins, Colorado, United States of America
| | - Charles R. Yurkon
- Department of Environmental & Radiological Health Sciences, Colorado State University, Fort Collins, Colorado, United States of America
| | - Yoshihiro Fujii
- Department of Radiological Sciences, Ibaraki Prefectural University of Health Sciences, Inashiki, Ibaraki, Japan
| | - Hiroshi Fujisawa
- Graduate School of Engineering, The University of Tokyo, Tokyo, Japan
| | - Sayaka Kato
- Department of Environmental & Radiological Health Sciences, Colorado State University, Fort Collins, Colorado, United States of America
| | - Colleen A. Brents
- Department of Environmental & Radiological Health Sciences, Colorado State University, Fort Collins, Colorado, United States of America
| | - Mitsuru Uesaka
- Graduate School of Engineering, The University of Tokyo, Tokyo, Japan
| | - Akira Fujimori
- Research Center for Charged Particle Therapy, International Open Laboratory, National Institute of Radiological Sciences, Chiba, Chiba, Japan
| | - Hisashi Kitamura
- Research Development and Support Center, National Institute of Radiological Sciences, Chiba, Chiba, Japan
| | - Takamitsu A. Kato
- Department of Environmental & Radiological Health Sciences, Colorado State University, Fort Collins, Colorado, United States of America
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9
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Blyth BJ, Kakinuma S, Sunaoshi M, Amasaki Y, Hirano-Sakairi S, Ogawa K, Shirakami A, Shang Y, Tsuruoka C, Nishimura M, Shimada Y. Genetic Analysis of T Cell Lymphomas in Carbon Ion-Irradiated Mice Reveals Frequent Interstitial Chromosome Deletions: Implications for Second Cancer Induction in Normal Tissues during Carbon Ion Radiotherapy. PLoS One 2015; 10:e0130666. [PMID: 26125582 PMCID: PMC4488329 DOI: 10.1371/journal.pone.0130666] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2015] [Accepted: 05/25/2015] [Indexed: 02/07/2023] Open
Abstract
Monitoring mice exposed to carbon ion radiotherapy provides an indirect method to evaluate the potential for second cancer induction in normal tissues outside the radiotherapy target volume, since such estimates are not yet possible from historical patient data. Here, male and female B6C3F1 mice were given single or fractionated whole-body exposure(s) to a monoenergetic carbon ion radiotherapy beam at the Heavy Ion Medical Accelerator in Chiba, Japan, matching the radiation quality delivered to the normal tissue ahead of the tumour volume (average linear energy transfer = 13 keV.μm-1) during patient radiotherapy protocols. The mice were monitored for the remainder of their lifespan, and a large number of T cell lymphomas that arose in these mice were analysed alongside those arising following an equivalent dose of 137Cs gamma ray-irradiation. Using genome-wide DNA copy number analysis to identify genomic loci involved in radiation-induced lymphomagenesis and subsequent detailed analysis of Notch1, Ikzf1, Pten, Trp53 and Bcl11b genes, we compared the genetic profile of the carbon ion- and gamma ray-induced tumours. The canonical set of genes previously associated with radiation-induced T cell lymphoma was identified in both radiation groups. While the pattern of disruption of the various pathways was somewhat different between the radiation types, most notably Pten mutation frequency and loss of heterozygosity flanking Bcl11b, the most striking finding was the observation of large interstitial deletions at various sites across the genome in carbon ion-induced tumours, which were only seen infrequently in the gamma ray-induced tumours analysed. If such large interstitial chromosomal deletions are a characteristic lesion of carbon ion irradiation, even when using the low linear energy transfer radiation to which normal tissues are exposed in radiotherapy patients, understanding the dose-response and tissue specificity of such DNA damage could prove key to assessing second cancer risk in carbon ion radiotherapy patients.
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Affiliation(s)
- Benjamin J. Blyth
- Radiobiology for Children’s Health Program, Research Center for Radiation Protection, National Institute of Radiological Sciences, Chiba, Japan
| | - Shizuko Kakinuma
- Radiobiology for Children’s Health Program, Research Center for Radiation Protection, National Institute of Radiological Sciences, Chiba, Japan
| | - Masaaki Sunaoshi
- Radiobiology for Children’s Health Program, Research Center for Radiation Protection, National Institute of Radiological Sciences, Chiba, Japan
| | - Yoshiko Amasaki
- Radiobiology for Children’s Health Program, Research Center for Radiation Protection, National Institute of Radiological Sciences, Chiba, Japan
| | - Shinobu Hirano-Sakairi
- Radiobiology for Children’s Health Program, Research Center for Radiation Protection, National Institute of Radiological Sciences, Chiba, Japan
| | - Kanae Ogawa
- Radiobiology for Children’s Health Program, Research Center for Radiation Protection, National Institute of Radiological Sciences, Chiba, Japan
| | - Ayana Shirakami
- Radiobiology for Children’s Health Program, Research Center for Radiation Protection, National Institute of Radiological Sciences, Chiba, Japan
| | - Yi Shang
- Radiobiology for Children’s Health Program, Research Center for Radiation Protection, National Institute of Radiological Sciences, Chiba, Japan
| | - Chizuru Tsuruoka
- Radiobiology for Children’s Health Program, Research Center for Radiation Protection, National Institute of Radiological Sciences, Chiba, Japan
| | - Mayumi Nishimura
- Radiobiology for Children’s Health Program, Research Center for Radiation Protection, National Institute of Radiological Sciences, Chiba, Japan
| | - Yoshiya Shimada
- Radiobiology for Children’s Health Program, Research Center for Radiation Protection, National Institute of Radiological Sciences, Chiba, Japan
- * E-mail:
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10
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Matsumoto KI, Ueno M, Nakanishi I, Anzai K. Density of Hydroxyl Radicals Generated in an Aqueous Solution by Irradiating Carbon-Ion Beam. Chem Pharm Bull (Tokyo) 2015; 63:195-9. [DOI: 10.1248/cpb.c14-00736] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Ken-ichiro Matsumoto
- Radio-Redox-Response Research Team, Advanced Particle Radiation Biology Research Program, Research Center for Charged Particle Therapy, National Institute of Radiological Sciences
| | - Megumi Ueno
- Radio-Redox-Response Research Team, Advanced Particle Radiation Biology Research Program, Research Center for Charged Particle Therapy, National Institute of Radiological Sciences
| | - Ikuo Nakanishi
- Radio-Redox-Response Research Team, Advanced Particle Radiation Biology Research Program, Research Center for Charged Particle Therapy, National Institute of Radiological Sciences
| | - Kazunori Anzai
- Radio-Redox-Response Research Team, Advanced Particle Radiation Biology Research Program, Research Center for Charged Particle Therapy, National Institute of Radiological Sciences
- Nihon Pharmaceutical University
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MATSUMOTO KI, AOKI I, NAKANISHI I, MATSUMOTO A, NYUI M, ENDO K, ANZAI K. Distribution of Hydrogen Peroxide-dependent Reaction in a Gelatin Sample Irradiated by Carbon Ion Beam. Magn Reson Med Sci 2010; 9:131-40. [DOI: 10.2463/mrms.9.131] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
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